Valve handle convenient to changeTechnical Field
The utility model relates to a valve handle, in particular to a valve handle convenient to replace.
Background
The valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing backflow, stabilizing pressure, shunting or overflow pressure relief and the like, and in order to enable the opening and closing of the valve to be smoother, a handle which is beneficial to rotating the valve rod and the valve body is usually arranged and fixed on the top of the valve rod, so that the function of the valve for controlling the fluid is realized.
However, the existing valve handle structure is not perfect, and certain defects exist:
1. most of the existing valve handles are locked at the top of a valve rod through threaded engagement of bolts, when the valve handles are detached, the handles can be taken down only by unscrewing screws by using a screwdriver, the steps are complex, and the process of replacing the handles is troublesome and time-consuming.
2. The existing valve handle also has the advantages that the valve rod is connected with the handle in a shape-fit mode, for example, a square hole is formed in the handle of the screw rod with the square top, the handle can be sleeved on the top of the valve rod and screwed, the structure is simple and easy to use, the inner wall of the square hole is easy to wear and become large due to continuous friction between the square hole and the square rod after long-time use, and the handle can be loosened when the valve rod is rotated, so that the handle is not beneficial to twisting of the valve rod.
Disclosure of Invention
The utility model aims to provide a valve handle convenient to replace, which solves the problems that the replacement of the handle is inconvenient and the gap between the handle and a valve rod is enlarged and the handle is inconvenient to twist the valve rod in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a valve handle convenient to change, includes the handle body, the inner wall fixedly connected with second horizontal pole of handle body, square pipe has been run through in the middle part of second horizontal pole bottom, square hole has been seted up on the top of second horizontal pole, the both sides inner wall of square hole all fixedly connected with arc piece, the both sides wall of handle body all fixedly connected with semi-ring, the inboard of semi-ring all is equipped with the plectane, two the equal fixedly connected with first spring rod of a lateral wall of plectane;
the two side walls of the second cross rod are fixedly connected with first cross rods, two side walls of the first cross rods are respectively provided with an oblique insertion block, two compression springs are respectively movably embedded in the first cross rods, vertical insertion rods are respectively movably inserted in the compression springs, a spring plate is fixedly connected to the bottom end of the handle body, and an opening is formed in the middle of the bottom end of the spring plate.
As a preferable technical scheme of the utility model, a clamping groove is formed in one side wall of each of the two inclined inserting blocks, and a second spring rod is fixedly connected to the inner sides of the two clamping grooves.
As a preferable technical scheme of the utility model, the two second spring rods are respectively and fixedly connected with the inner walls of the two first cross bars, and the two inclined inserting blocks are respectively and movably connected with the two first cross bars in a penetrating way through the second spring rods.
As a preferable technical scheme of the utility model, one side of each of the two semi-rings is provided with a notch, and the joint of the two semi-rings and the handle body is provided with a through hole.
As a preferable technical scheme of the utility model, the two first spring rods are respectively connected with the two semi-rings in a movable penetrating way through the through holes, and the two circular plates are respectively connected with the two semi-rings in a movable embedding way through the first spring rods.
As a preferable technical scheme of the utility model, the outer parts of the two first spring rods are movably sleeved with limiting rings, and the two limiting rings are embedded and connected with the second cross rod.
As a preferable technical scheme of the utility model, the bottom end of the spring plate is fixedly connected with two limiting frames, and the spring plate is movably sleeved with the square tube through an opening.
Compared with the prior art, the utility model has the advantages that:
1. according to the utility model, through the inclined insert block, the vertical insert rod, the square tube and the spring plate, the square tube can change the fixing mode of the handle and the valve rod into the fitting mode which is easier to operate, the handle is prevented from being fixed by using the bolts, the disassembling step of the handle from the valve rod is simplified, the inclined insert block can push the vertical insert rod to slide out downwards, the spring plate which is in an initial state and is bent upwards is changed into the spring plate which is bent downwards, so that the square tube can be rapidly pushed out from the top of the valve rod under the action of the deformation of the spring plate, the time for taking the handle off the valve rod is saved, and the handle is convenient to replace;
2. according to the utility model, through the semi-ring, the circular plate, the arc-shaped sheet and the first spring rod, friction between fingers and the outer edge of the handle can be increased by the semi-ring, so that an operator can twist the handle by force, and meanwhile, the circular plate can push the first spring rod to push the arc-shaped sheet to deform so as to be tightly attached to the outer wall of the valve rod, and gaps between the square valve rod and the enlarged square hole are filled, thereby reducing the probability of loosening when the handle twists the valve rod, and being more beneficial to twisting the valve rod by the handle.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the structure of a vertical insert rod and spring plate of the present utility model;
FIG. 3 is a schematic view of the structure of the stop collar and the arcuate tab of the present utility model;
fig. 4 is a schematic view of the construction of the secondary spring lever and compression spring of the present utility model.
In the figure: 1. a handle body; 2. a first cross bar; 3. oblique insertion blocks; 4. a half ring; 5. a circular plate; 6. a second cross bar; 7. square holes; 8. square tubes; 9. a spring plate; 10. a through hole; 11. a vertical inserting rod; 12. a limit frame; 13. an opening; 14. a first spring lever; 15. a limiting ring; 16. an arc-shaped sheet; 17. a second spring rod; 18. a clamping groove; 19. compressing the spring.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings for a better understanding of the objects, structures and functions of the present utility model.
Referring to fig. 1-4, the present utility model provides a valve handle with convenient replacement, which comprises:
embodiment one:
according to the valve handle shown in fig. 1, 2 and 4, the valve handle convenient to replace comprises ahandle body 1, the inner wall of thehandle body 1 is fixedly connected with asecond cross rod 6, the middle part of the bottom end of thesecond cross rod 6 is penetrated with asquare pipe 8, compared with asquare hole 7 with a shorter traditional length, thesquare pipe 8 can increase the contact surface of thehandle body 1 and a square valve rod in the vertical direction, so that thehandle body 1 is more stable after being matched with the valve rod, the two side walls of thesecond cross rod 6 are fixedly connected with afirst cross rod 2, one side wall of the twofirst cross rods 2 is provided with anoblique insertion block 3, the bottom ends of theoblique insertion blocks 3 are cut with an oblique plane, the top ends of thevertical insertion rods 11 are also cut with an oblique plane, so that theoblique insertion block 3 can be smoothly pushed out from the bottom of thefirst cross rod 2 after being pushed into thesecond cross rod 6, the pushing of aspring plate 9 is realized, twocompression springs 19 are movably embedded in the twofirst cross bars 2 respectively, thecompression springs 19 can restore thevertical inserting rods 11 to the original positions after thevertical inserting rods 11 are not contacted with the inclined insertingblocks 3, thevertical inserting rods 11 are movably inserted in the twocompression springs 19, the verticalinserting rods 11 can push thespring plates 9 which are bent upwards in the initial state to a state of bending downwards, the bottom ends of thespring plates 9 can be contacted with the base of the valve rod, thesquare tubes 8 slide upwards along the valve rod, the bottoms of thesquare tubes 8 are lifted, the disassembly of thehandle body 1 from the valve is facilitated, the replacement of thehandle body 1 is facilitated, the bottom ends of thehandle body 1 are fixedly connected with thespring plates 9, thespring plates 9 have better elasticity, so that thespring plates 9 are in the state of bending downwards after being pushed, the middle parts of the bottom ends of thespring plates 9 are provided withopenings 13, thespring plate 9 is movably sleeved and connected with thesquare tube 8 through theopening 13, theopening 13 can realize that thespring plate 9 slides along the outer side of thesquare tube 8 when in deformation, and interference of thesquare tube 8 on thespring plate 9 when in deformation is reduced; through the oblique insertedblock 3 that sets up, erect insertedbar 11,side pipe 8 andspring board 9, draw-ingroove 18 has all been seted up to one side wall of two oblique insertedblocks 3, the inboard of two draw-ingrooves 18 all fixedly connected withsecond spring rod 17, the inner wall fixed connection of two firsthorizontal poles 2 is respectively followed to twosecond spring rods 17,second spring rod 17 can be when oblique insertedblock 3 is not extruded, the home position is fast restored, the range of motion of oblique insertedblock 3 in firsthorizontal pole 2 is limited simultaneously, increase the stability of oblique insertedblock 3 when being extruded, two oblique insertedblock 3 pass throughsecond spring rod 17 respectively with two firsthorizontal poles 2 activity alternate connection, the bottom fixedly connected with ofspring board 9 is spacingframe 12,spacing frame 12 is afterspring board 9 is crooked downwards, square base with the valve rod bottom carries out the block, makespring board 9 can promotehandle body 1 whole upwards slide, make and theside pipe 8 that agrees with the valve rod can be taken out fast, thereby save the time that the handle was taken off from the valve rod, the convenience is changed.
When the valve handle is installed, the bottom of thesquare tube 8 is sleeved into the valve rod at the top of the valve, the valve rod enters thesquare hole 7 on thesecond cross rod 6 through thesquare tube 8 and is contacted with the arc-shaped piece 16 in thesquare hole 7, the arc-shaped piece 16 is attached to the valve rod through self deformation, thehandle body 1 is installed on the valve rod, when thehandle body 1 is required to be detached from the valve rod, theoblique insert 3 on the side wall of thefirst cross rod 2 is pressed, theoblique insert 3 slides towards the inside of thefirst cross rod 2 until the oblique surface at the bottom end of theoblique insert 3 is contacted with the oblique surface at the top end of thevertical insert 11, theoblique insert 3 pushes thevertical insert 11 to slide out towards the bottom end of thefirst cross rod 2, thesecond spring rod 17 in the sidewall clamping groove 18 of theoblique insert 3 and thecompression spring 19 outside thevertical insert 11 are compressed and deformed, the pushed outvertical insert 11 is pushed to push theinitial plate 9 to be bent upwards along the outer wall of thevalve rod 8, theoblique insert 3 slides downwards to be clamped with the lower side wall of thesquare tube 8, and finally the oblique insert is pulled out of thesquare spring plate 9 to be clamped with the bottom end of thevalve rod 11, and finally the bottom of the valve rod is pulled out of the square tube is clamped with the bottom of thesquare tube 11, and finally the valve rod is pulled out of the square body is clamped with the bottom of thevalve rod 8, and finally, and the valve handle is separated from the bottom is bent.
Embodiment two:
on the basis of the first embodiment, as shown in fig. 1 and 3, asquare hole 7 is formed in the top end of asecond cross rod 6, thesquare hole 7 can enable asquare tube 8 to be tightly clamped with a square valve rod, arc-shaped pieces 16 are fixedly connected to the inner walls of two sides of thesquare hole 7, the initial state of each arc-shaped piece 16 is bent, when the square valve rod is inserted into thesquare tube 8, the arc-shaped pieces 16 can clamp the valve rod in thesquare tube 8, thehandle body 1 is tightly matched with the valve rod,semi-rings 4 are fixedly connected to the two side walls of thehandle body 1, fingers of an operator can be embedded in thesemi-rings 4, thehandle body 1 can better borrow force when in twisting, thehandle body 1 can twist the valve rod,circular plates 5 are arranged on the inner sides of thesemi-rings 4, one side wall of eachcircular plate 5 is fixedly connected with afirst spring rod 14, after thecircular plates 5 are extruded, thefirst spring rods 14 can be driven to deform, the end parts of thefirst spring rods 14 can be tightly attached to the arc-shaped pieces 16 and the valve rod, thehandle body 16 can be tightly attached to the valve rod, and the large-shaped pieces 16 can be tightly attached to the valve rod, and thehandle body 7 can be filled in gaps between thesquare hole 7 and the handle body and thesquare hole 7 are reduced, and gaps between the handle body and the handle body are beneficial to be reduced; throughsemi-rings 4,plectane 5,arc piece 16 andfirst spring rod 14 that set up, the opening has all been seted up to one side of twosemi-rings 4, the opening can do benefit to operator's finger embedding, through-hole 10 has all been seted up to the junction of twosemi-rings 4 and handlebody 1, twofirst spring rods 14 are connected with twosemi-rings 4 activity interlude respectively through-hole 10, twoplectane 5 are connected with twosemi-rings 4 activity inlaying respectively throughfirst spring rod 14, through-hole 10 can makeplectane 5 when being pressed by the finger, promote the tip offirst spring rod 14 to the position witharc piece 16 contact, thereby do benefit to handlebody 1 and drive the valve rod and rotate when twisting, the outside all movable sleeve of twofirst spring rods 14 is equipped withspacing ring 15, twospacing rings 15 all are established with secondhorizontal pole 6 and are connected,spacing ring 15 can be tofirst spring rod 14 in the restriction of secondhorizontal pole 6 sliding position, makefirst spring rod 14 contact when pasting witharc piece 16, thereby the probability of turning loose more is more stable when the handle appears to the handle.
When the valve handle is used specifically, an operator can embed a thumb and an index finger into thehalf ring 4 from the opening of thehalf ring 4 respectively when thehandle body 1 with thesquare hole 7 enlarged twists the valve rod, when thehandle body 1 is twisted, the thumb and the index finger extrude thecircular plate 5 on the inner side of thehalf ring 4, at the moment, thecircular plate 5 pushes thefirst spring rod 14 in the throughhole 10 along the inner side of thelimiting ring 15, then one end part of thefirst spring rod 14 penetrates out from the inner wall of thesquare hole 7 to be contacted and attached with the side wall of the arc-shaped sheet 16, at the moment, the arc-shaped sheet 16 clamps the valve rod, so that thesquare hole 7 is attached with the valve rod more tightly, and thehandle body 1 can smoothly drive the valve rod to rotate when in twisting.
It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.