Metering and guiding deviceTechnical Field
The invention relates to the field of wiring, in particular to a metering and guiding device.
Background
The current society is very important to ensure safe and stable operation of the power grid, the wire connection is not good, and the current society brings great trouble to people and even has potential safety hazard. The metering and guiding device in the current market basically installs a pressing plate at the end of a main wire screw, for example, the metering and guiding device in the application number 201820742520.3 rotates the main wire screw to drive the pressing plate to move so as to press the main wire on the device body; the branch line is arranged on the device body through the wire connecting hole, and is tightly pressed through the fixed pressing block. The connecting device with the structure is better than the traditional adhesive binding wire, adhesive pressurizing connecting tube binding wire, parallel groove clamp connection, puncture clamp connection, ammeter binding clip connection and the like. However, certain defects exist, firstly, the connection mode of the structure is poor in firmness, and the main line screw and the branch line screw are easy to loosen; 2. the connecting device is complex in operation.
Disclosure of Invention
The present invention addresses the above-identified shortcomings of the prior art by providing a metering and indexing device.
In order to solve the technical problems, the invention is solved by the following technical scheme:
The metering guide receiving device comprises an upper clamping block and a lower clamping block; the right end part of the upper clamping block is provided with a cylindrical hinging part, the right end part of the lower clamping block is provided with a hinging groove for installing the hinging part, the middle part of the upper clamping block is provided with an upper positioning groove with an upward opening and penetrating through the front side and the rear side of the hinging part, the middle bottom of the upper positioning groove is provided with an upper adjusting hole, a cylindrical upper positioning block is installed in the upper positioning groove, the middle part of the lower clamping block is provided with a lower positioning groove with a downward opening and penetrating through the front side and the rear side, the middle bottom of the lower positioning groove is provided with a lower adjusting hole, a cylindrical lower positioning block is installed in the lower positioning groove, the lower positioning block is connected with the upper positioning block through a first butterfly bolt, the first butterfly bolt is in threaded connection with the upper positioning block, the first butterfly bolt is provided with a first spring through the lower positioning block, the lower adjusting hole, the upper adjusting hole and the upper positioning block, the upper positioning block and the lower positioning block are respectively provided with an upper positioning hole and a lower positioning hole, one end of a first spring is arranged in the upper positioning hole, the other end of the first spring is arranged in the lower positioning hole, a first butterfly bolt penetrates through the first spring, the left end part of the upper clamping block is an upper arc clamping plate arched upwards, the left end part of the lower clamping block is a lower arc clamping plate arched downwards, a clamping channel used for clamping a main line is formed between the upper arc clamping plate and the lower arc clamping plate, the right end part of the lower clamping block is provided with a strip-shaped through hole which penetrates through both sides of the lower clamping block, the right end surface of the lower clamping block is provided with a branch line hole which is communicated with the strip-shaped through hole and is used for a branch line to pass through, a clamping block used for clamping the branch line is arranged in the strip-shaped through hole, a second butterfly bolt extending into the strip-shaped through hole is arranged on the lower clamping block, the end part of the second butterfly bolt is propped against the clamping block, and a second spring is arranged between the clamping block and the lower clamping block.
The main line is clamped by the upper clamping block and the lower clamping block, the upper clamping block is hinged on the lower clamping block, when an operator manually unscrews the first butterfly bolt, the main line can be easily placed in a clamping channel, after the main line is placed in place, the operator manually screws the first butterfly bolt, and as the device is provided with the first spring, the two ends of the first spring have a reaction force to act on the upper positioning block and the lower positioning block, so that the first butterfly bolt is firmly locked on the upper clamping block and the lower clamping block; the clamping block is arranged in the lower clamping block, four directions of the clamping block are limited in the strip-shaped through hole, when the branch line is arranged between the clamping block and the lower clamping block, the branch line can serve as a limiting piece to limit the clamping block in the strip-shaped through hole, so that the clamping block is limited in other two directions, the second butterfly bolt is screwed on the lower clamping block and is pressed on the clamping block in a propping mode, and as a second spring is arranged between the clamping block and the lower clamping block, when the second butterfly bolt is screwed, the second spring can generate a reaction force to act on the second butterfly bolt, and therefore the second butterfly bolt is locked on the lower clamping block. The main line and the branch line on the connecting device are firmly fixed and cannot be loosened easily, the service life is long, the connecting device is simple to operate, an operator can install the connecting device in place manually without using other tools, and the installation strength is firmer than that of the traditional connecting device.
Preferably, the back of the upper positioning groove is downwards arched to form an upper convex block with a circular arc shape, an upper groove is arranged between the upper convex block and the upper arc-shaped clamping plate, the back of the lower positioning groove is upwards arched to form a lower convex block with a circular arc shape, an upwards protruding limiting block is arranged between the lower convex block and the lower arc-shaped clamping plate, when the other end of the upper clamping block is arranged on the lower clamping block through a first butterfly bolt, the limiting block stretches into the upper groove, a gap is arranged between the limiting block and the bottom of the upper groove, and the upper convex block is in contact connection with the lower convex block.
When an operator screws the first butterfly bolt, the upper protruding block is in contact connection with the lower protruding block, so that the upper protruding block and the lower protruding block which are in an arc shape are convenient to rotate relatively easily, the limiting block can be limited in the upper groove, and the upper clamping block can be firmly buckled on the lower clamping block.
Preferably, the upper adjusting hole and the lower adjusting hole are long-strip-shaped adjusting holes, the upper adjusting hole transversely extends to the edges of two sides of the upper positioning groove, the lower adjusting hole transversely extends to the edges of two sides of the lower positioning groove, when the main line is clamped, the first butterfly bolt is driven by the plate to drive the lower positioning block and the upper positioning block to rotate in the lower positioning groove and the upper positioning groove respectively, the upper protruding block and the lower protruding block relatively rotate, the limiting block is in contact locking with the bottom of the upper groove, the lower arc-shaped clamping plate is pressed towards the upper arc-shaped clamping plate, and the clamping channel between the upper arc-shaped clamping plate and the lower arc-shaped clamping plate is tightened.
The upper adjusting hole and the lower adjusting hole facilitate the swing of the first butterfly bolt, when the first butterfly bolt is shifted, the first butterfly bolt swings from a vertical shape to an inclined shape, two ends of the first butterfly bolt swing to the side ends of the upper adjusting hole and the lower adjusting hole respectively, the upper positioning block rotates in the upper positioning groove, the lower positioning block rotates in the lower positioning groove, the upper protruding block and the lower protruding block rotate relatively, so that the limiting block is clamped in the upper groove, the second butterfly bolt is further assisted to lock the upper clamping block and the lower clamping block, and the main line can be firmly locked in the clamping channel.
Preferably, the thickness of the left end part to the right end part of the clamping block is gradually reduced, the upper end surface of the clamping block is provided with first limit grooves with the quantity equal to that of the branch line holes, the inner side wall of the strip-shaped through hole is provided with second limit grooves, when the clamping block is installed in the strip-shaped through hole, the first limit grooves and the second limit grooves are combined to form a limit channel for clamping the branch line, the left end part of the clamping block is contacted with the left side wall of the strip-shaped through hole, an adjusting gap is formed between the right end part of the clamping block and the right end part of the strip-shaped through hole, when the second butterfly bolt is screwed, the adjusting gap gradually becomes larger, the upper end surface of the clamping block is further provided with a first positioning hole, the first positioning hole is arranged at the middle position of the two adjacent first limit grooves, the inner side wall of the strip-shaped through hole is further provided with a second positioning hole, the second positioning hole is arranged at the middle position of the two adjacent second limit grooves, one end of the second spring is installed in the first positioning hole, and the other end of the second spring is installed in the second positioning hole.
An adjusting gap is arranged between the clamping block and the strip-shaped through hole, so that the clamping block is convenient to clamp the branch line on one hand, and the second spring is convenient to place on the other hand. The thickness of the left end part to the right end part of the clamping block is gradually reduced, the second butterfly bolt is locked, the left end of the clamping block can relatively rotate in the strip-shaped through hole, and the other end of the clamping block swings under the action of the second butterfly bolt and compresses the branch line, so that the branch line is firmly fastened in the limiting channel.
Preferably, all the limiting channels are parallel to each other, and the central axis of the limiting channel is perpendicular to the central axis of the clamping channel.
Preferably, the inner side wall of the lower positioning groove is an arc-shaped surface, the surface, which is contacted with the lower positioning groove, of the outer side wall of the lower positioning block is a rotating surface, the rotating surface is an arc-shaped surface, the surface, which is contacted with the first butterfly bolt, of the outer side wall of the lower positioning block is a positioning surface, and the positioning surface is a plane. The arc-shaped surface of the lower positioning block conveniently rotates in the lower positioning groove, so that the first butterfly bolt can conveniently swing and lock the upper clamping block and the lower clamping block, the contact surface of the lower positioning block and the first butterfly bolt can be increased, the pretightening force is increased, and the locking force of the first butterfly bolt is improved.
The invention has the remarkable technical effects due to the adoption of the technical scheme:
The main line is clamped by the upper clamping block and the lower clamping block, the upper clamping block is hinged on the lower clamping block, when an operator manually unscrews the first butterfly bolt, the main line can be easily placed in a clamping channel, after the main line is placed in place, the operator manually screws the first butterfly bolt, and as the device is provided with the first spring, the two ends of the first spring have a reaction force to act on the upper positioning block and the lower positioning block, so that the first butterfly bolt is firmly locked on the upper clamping block and the lower clamping block; the clamping block is arranged in the lower clamping block, four directions of the clamping block are limited in the strip-shaped through hole, when the branch line is arranged between the clamping block and the lower clamping block, the branch line can serve as a limiting piece to limit the clamping block in the strip-shaped through hole, so that the clamping block is limited in other two directions, the second butterfly bolt is screwed on the lower clamping block and is pressed on the clamping block in a propping mode, and as a second spring is arranged between the clamping block and the lower clamping block, when the second butterfly bolt is screwed, the second spring can generate a reaction force to act on the second butterfly bolt, and therefore the second butterfly bolt is locked on the lower clamping block. The main line and the branch line on the connecting device are firmly fixed and cannot be loosened easily, the service life is long, the connecting device is simple to operate, an operator can install the connecting device in place manually without using other tools, and the installation strength is firmer than that of the traditional connecting device.
Drawings
Fig. 1 is a schematic view of the structure of the present invention in a first position state.
Fig. 2 is a schematic view of the structure of the present invention in a second position state.
Fig. 3 is a schematic view of the structure of the upper clamping block in fig. 1 in a first position.
Fig. 4 is a schematic view of the structure of the upper clamping block in fig. 1 in a second position.
Fig. 5 is a schematic view of the structure of the lower clamp block of fig. 1 in a first position.
Fig. 6 is a schematic view of the structure of the lower clamp block of fig. 1 in a second position.
Fig. 7 is a schematic view of the structure of the lower clamp block of fig. 1 in a third position.
Fig. 8 is a schematic structural view of the upper positioning block in fig. 1.
Fig. 9 is a schematic structural view of the lower positioning block in fig. 1.
Fig. 10 is a schematic view of the structure of the clamping block of fig. 1.
Fig. 11 is a schematic view of the structure in the third position state of the present invention.
FIG. 12 is a schematic cross-sectional view of A-A of FIG. 11.
The names of the parts indicated by the numerical reference numerals in the above drawings are as follows: the clamping device comprises a 1-upper clamping block, a 2-lower clamping block, a 3-upper positioning block, a 4-lower positioning block, a 5-first butterfly bolt, a 6-clamping block, a 7-second butterfly bolt, an 11-hinging part, a 12-upper positioning groove, a 13-upper adjusting hole, a 14-upper arc clamping plate, a 15-upper lug, a 16-upper groove, a 21-hinging groove, a 22-lower positioning groove, a 23-lower adjusting hole, a 24-lower arc clamping plate, a 25-strip-shaped through hole, a 26-branch line hole, a 27-lower lug, a 28-limiting block, a 31-upper positioning hole, a 41-lower positioning hole, a 42-rotating surface, a 43-positioning surface, a 61-arc surface, a 62-first limiting groove, a 63-first positioning hole, a 100-clamping channel, a 200-limiting channel, a 300-adjusting gap and a 251-second limiting groove.
Detailed Description
The invention is described in further detail below with reference to figures 1-12 and examples.
Example 1
The metering guide device comprises an upper clamping block 1 and a lower clamping block 2, wherein the upper clamping block 1 and the lower clamping block 2 are of an integrated structure, a cylindrical hinge part 11 is arranged at the right end part of the upper clamping block 1, a hinge groove 21 for installing the hinge part 11 is formed in the right end part of the lower clamping block 2, when the hinge part 11 of the upper clamping block 1 is installed in the hinge groove 21, the upper clamping block 1 can rotate around the lower clamping block 2, the hinge part 11 cannot be separated from the hinge groove 21 during rotation, and the radial cross section of the hinge part 11 larger than 1/2 is wrapped by the hinge groove 21. The middle part of the upper clamping block 1 is provided with an upper positioning groove 12 with an upward opening and penetrating through the front side and the rear side of the upper positioning groove, the bottom in the middle of the upper positioning groove 12 is provided with an upper adjusting hole 13, a cylindrical upper positioning block 3 is installed in the upper positioning groove 12, the radial cross section of the upper positioning block 3 which is larger than 1/2 is wrapped by the upper positioning groove 12, the upper positioning block 3 cannot be separated from the upper positioning groove 12 in the radial direction after being installed, and when the upper positioning block 3 is installed, the upper positioning block 3 is pushed into the upper positioning groove 12 from the two sides of the upper clamping block 1. The middle part of the lower clamping block 2 is provided with a lower positioning groove 22 which is downward in opening and penetrates through the front side and the rear side, the bottom in the middle of the lower positioning groove 22 is provided with a lower adjusting hole 23, a cylindrical lower positioning block 4 is installed in the lower positioning groove 22, the radial cross section of the lower positioning block 4 which is larger than 1/2 is wrapped by the lower positioning groove 22, the lower positioning block 4 cannot be separated from the lower positioning groove 22 in the radial direction after being installed, and when the lower positioning block 4 is installed, the lower positioning block 4 is pushed into the lower positioning groove 22 from the two sides of the lower clamping block 2. The lower locating block 4 is connected with the upper locating block 3 through the first butterfly bolt 5, the first butterfly bolt 5 is in threaded connection with the upper locating block 3, the first butterfly bolt 5 is through the lower locating block 4, the lower adjusting hole 23, the upper adjusting hole 13 and the upper locating block 3, a first spring is installed between the upper locating block 3 and the lower locating block 4, the upper locating block 3 and the lower locating block 4 are respectively provided with an upper locating hole 31 and a lower locating hole 41, one end of the first spring is installed in the upper locating hole 31, the other end of the first spring is installed in the lower locating hole 41, the first butterfly bolt 5 penetrates through the first spring, and the first spring is used for increasing the reaction force, so that the first butterfly bolt 5 can be self-locked on the upper clamping block 1 and the lower clamping block 2. The left end of the upper clamping block 1 is an upper arc clamping plate 14 arched upwards, the left end of the lower clamping block 2 is a lower arc clamping plate 24 arched downwards, a clamping channel 100 used for clamping a main line is formed between the upper arc clamping plate 14 and the lower arc clamping plate 24, a strip-shaped through hole 25 penetrating through two sides of the lower clamping block is formed in the right end of the lower clamping block 2, a branch line hole 26 communicated with the strip-shaped through hole 25 and used for a branch line to pass through is formed in the right end face of the lower clamping block 2, a clamping block 6 used for clamping the branch line is installed in the strip-shaped through hole 25, the clamping block 6 is installed to extend into the lower clamping block 2 from two sides of the strip-shaped through hole 25, a second butterfly bolt 7 extending into the strip-shaped through hole 25 is installed on the lower clamping block 2, the second butterfly bolt 7 is installed below the lower clamping block 2, the second butterfly bolt 7 is in threaded connection with the lower clamping block 2, and the end part of the second butterfly bolt 7 is pressed against the clamping block 6, so that the clamping block 6 is locked in the strip-shaped through hole 25 of the lower clamping block 2, a second spring is installed between the clamping block 6 and the lower clamping block 2, and the second spring is used for increasing the reaction force, and the second butterfly bolt 7 can be firmly fixed in the strip-shaped through hole 25. The main line is clamped by the upper clamping block 1 and the lower clamping block 2, the upper clamping block 1 is hinged to the lower clamping block, an operator can easily put the main line in the clamping channel 100 when manually unscrewing the first butterfly bolt 5, and after the main line is put in place, the operator manually screws the first butterfly bolt 5; the clamping block 6 is installed inside the lower clamping block 2, four directions of the clamping block 6 are limited in the strip-shaped through hole 25, when the branch line is installed between the clamping block 6 and the lower clamping block 2, the branch line can serve as a limiting piece to limit the clamping block 6 in the strip-shaped through hole 25, so that the clamping block 6 is limited to be in two other directions, the second butterfly bolt 7 is screwed on the lower clamping block 2 and is pressed on the clamping block 6, and due to the fact that the second spring is installed between the clamping block 6 and the lower clamping block 2, when the second butterfly bolt 7 is screwed, the second spring can generate a reaction force to act on the second butterfly bolt 7, and therefore the second butterfly bolt 7 is locked on the lower clamping block 2. The main line and the branch line on the connecting device are firmly fixed and cannot be loosened easily, the service life is long, the connecting device is simple to operate, an operator can install the connecting device in place manually without using other tools, and the installation strength is firmer than that of the traditional connecting device.
The back of the upper positioning groove 12 is downwards arched to form an upper protruding block 15 with a circular arc shape, an upper groove 16 is arranged between the upper protruding block 15 and the upper arc-shaped clamping plate 14, the back of the lower positioning groove 22 is upwards arched to form a lower protruding block 27 with a circular arc shape, an upwards protruding limiting block 28 is arranged between the lower protruding block 27 and the lower arc-shaped clamping plate 24, when the other end of the upper clamping block 1 is arranged on the lower clamping block 2 through the first butterfly bolt 5, the limiting block 28 stretches into the upper groove 16, a gap is arranged between the limiting block 28 and the bottom of the upper groove 16, and the upper protruding block 15 is in contact connection with the lower protruding block 27. When an operator screws the first butterfly bolt 5, the upper protruding block 15 is in contact connection with the lower protruding block 27, so that the arc-shaped upper protruding block 15 and the arc-shaped lower protruding block 27 are easy to rotate relatively, and the limiting block 28 can be limited in the upper groove 16, so that the upper clamping block 15 can be firmly buckled on the lower clamping block 2.
The upper adjusting hole 13 and the lower adjusting hole 23 are long-strip-shaped adjusting holes, the upper adjusting hole 13 transversely extends to the edges of two sides of the upper positioning groove 12, the lower adjusting hole 23 transversely extends to the edges of two sides of the lower positioning groove 22, when a main line is clamped, the first butterfly bolt 5 is driven by the first butterfly bolt 5 to drive the lower positioning block 4 and the upper positioning block to rotate in the lower positioning groove 22 and the upper positioning groove 12 respectively, the upper protruding block 15 and the lower protruding block 27 rotate relatively, the limiting block 28 is in contact locking with the bottom of the upper groove 16, the lower arc-shaped clamping plate 24 is pressed against the upper arc-shaped clamping plate 14, and the clamping channel 100 between the upper arc-shaped clamping plate 14 and the lower arc-shaped clamping plate 24 is tightened. The upper adjusting hole 13 and the lower adjusting hole 23 facilitate the swing of the first butterfly bolt 5, when the first butterfly bolt 5 is stirred, the first butterfly bolt 5 swings from a vertical shape to an inclined shape, two ends of the first butterfly bolt swing to the side ends of the upper adjusting hole 13 and the lower adjusting hole 23 respectively, the upper positioning block 3 rotates in the upper positioning groove 12, the lower positioning block 4 rotates in the lower positioning groove 22, the upper protruding block 15 and the lower protruding block 27 rotate relatively, so that the limiting block 28 is clamped in the upper groove 16, the second butterfly bolt 7 is further assisted to lock the upper clamping block 1 and the lower clamping block 2, and the main line can be firmly locked in the clamping channel 100.
The two ends of the clamping block 6 are arc-shaped surfaces 61, the thickness from the left end to the right end of the clamping block 6 is gradually reduced, namely, one end of the clamping block 6 is large, the other end of the clamping block is small, the upper end face of the clamping block 6 is provided with first limiting grooves 62 with the number equal to that of the branch line holes 26, the number of the first limiting grooves 62 is two in this embodiment, the inner side wall of the strip-shaped through hole 25 is provided with second limiting grooves 251, when the clamping block 6 is arranged in the strip-shaped through hole 25, the first limiting grooves 62 and the second limiting grooves 251 are combined to form a limiting channel 200 for clamping the branch line, the left end of the clamping block 6 is contacted with the left side wall of the strip-shaped through hole 25, an adjusting gap 300 is arranged between the right end of the clamping block 6 and the right end of the strip-shaped through hole 25, and when the second butterfly bolt 7 is screwed, the adjusting gap 300 gradually becomes large, and the clamping block 6 clamps the branch line. The clamping block 6 up end still is equipped with first locating hole 63, and first locating hole 63 is established in two first spacing groove 62 intermediate positions, and bar through-hole 25 inside wall still is equipped with the second locating hole, and the second locating hole is established in two second spacing groove 251 intermediate positions, and second spring one end is installed in first locating hole 63, and its other end is installed in the second locating hole. An adjusting gap 300 is arranged between the clamping block 6 and the strip-shaped through hole 25, so that the clamping block 6 can clamp the branch line conveniently on one hand, and the second spring can be placed conveniently on the other hand. The thickness of the left end part to the right end part of the clamping block 6 is gradually reduced, the second butterfly bolt 7 is locked, the left end of the clamping block 6 can relatively rotate in the strip-shaped through hole 25, and the other end of the clamping block swings under the action of the second butterfly bolt 7 and compresses the branch line, so that the branch line is firmly fastened in the limiting channel 200.
Example 2
Embodiment 2 has substantially the same features as embodiment 1, except that all of the limiting channels 200 are parallel to each other, and the central axis of the limiting channel 200 is perpendicular to the central axis of the clamping channel 100.
Example 3
Embodiment 3 has substantially the same features as embodiment 1, except that the inner side wall of the lower positioning groove 22 is an arc surface, the surface of the outer side wall of the lower positioning block 4 contacting the lower positioning groove 22 is a rotation surface 42, the rotation surface 42 is an arc surface, the surface of the outer side wall of the lower positioning block 4 contacting the first butterfly bolt is a positioning surface 43, and the positioning surface 43 is a plane. The arc-shaped surface of the lower positioning block 4 conveniently rotates in the lower positioning groove 22, so that the first butterfly bolt 7 can conveniently swing and lock the upper clamping block 1 and the lower clamping block 2, the contact surface between the plane of the lower positioning block 4 and the end face of the handle of the first butterfly bolt 5 can be increased, the pretightening force is increased, and the locking force of the first butterfly bolt 5 is improved.