Instrument clamping deviceTechnical field
The invention relates to instrument clamping device, refer to that especially a kind of screwdriver head of replacing operates use, and avoid elastic clamp ring when changing screwdriver head, to depart from the instrument clamping device of fixing slot.
Background technology
General maintenance work, assembly working etc. carry out the group of tearing open of part with bottle opener instrument, therefore bottle opener instrument is widely used, and there is on the market the screwdriver head of multiple different size, to coordinate the screw tightening of different size, in addition, in order to provide user to be convenient for carrying and to use, there is a kind of screwdriver rod that is convenient for carrying and can replaces many moneys screwdriver head simultaneously.Except the screwdriver rod of replaceable screwdriver head, also there is the bottle opener adapter for environmental demand improvement, to provide user to use different bottle opener instruments according to the user demand of oneself.
Refer to TaiWan, China patent announcement M384749 " instrument adapter ", it comprises: an adapter body, and Wei Yi class kenel, defines two ends relatively; One spanner cover group section, is formed at this adapter body one end; One inner concavity screwdriver head slot, is formed at this spanner cover group section; One locating part, is arranged at this spanner cover group section predetermined position, so as to supplying the screwdriver head of insert group in screwdriver head slot to be the spacing state of not deviating from; One hole enlargement convex ring edge, is formed at this end of spanner cover group section of contiguous screwdriver head slot.This locating part is a ㄩ type elastic component structure kenel, and this inner concavity screwdriver head slot coordinates and is provided with one and axially allows groove, so as to establishing for locating part group, and this locating part when being placed in this and axially allowing groove mutually the second side form aduncate spacing arc edge.
Although existing technology can be positioned screwdriver head in screwdriver head slot by locating part, but locating part is to support solid screwdriver head with spacing arc edge, therefore when upwards screwdriver head being pulled away to screwdriver head slot, locating part is easily upwards departed from screwdriver head slot by screwdriver head simultaneously, the inconvenience user that user uses if cause takes normal replacing screwdriver head, must constantly the locating part that departs from screwdriver head slot be reinstalled in screwdriver head slot, when its operating environment is narrower, more difficult the screwdriver head that falls to ground is picked up, hence one can see that, its ease of use is limited, and reduction operating efficiency.
Because disappearance described above, the inventor drops into the much time and carries out correlative study, and more every quality in addition, and carry out the research and development of Related product, and go through many experiments and test, and finally release a kind of " instrument clamping device ", be and improve above-mentioned illustrated disappearance, to meet popular required use.
Summary of the invention
Technical problem underlying to be solved by this invention is, overcome the above-mentioned defect that prior art exists, and a kind of instrument clamping device is provided, it is in replacing screwdriver head process, elastic clamp ring is limited in fixing slot, so as to the convenience that promotes operating efficiency and use.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of instrument clamping device of the present invention, it comprises: an adapter and an elastic clamp ring, wherein: this adapter is provided with a fixing slot, this fixing slot inwall cuts open establishes the first spacing raceway groove and the second spacing raceway groove, and the first spacing raceway groove and the second spacing raceway groove are oppositely arranged, and are provided with one first spacing hole in the first spacing raceway groove; This elastic clamp ring is mounted on fixing slot, and elastic clamp ring comprises that a linkage section and is positioned at first butted section of the first spacing raceway groove, and one be positioned at second butted section of the second spacing raceway groove, this first butted section and second butted section is connected in linkage section two ends, and first butted section is provided with inflexed first support; Accordingly, this first butted section clips with second butted section the screwdriver head week side being mounted in fixing slot, makes screwdriver head be difficult for deviating from fixing slot, and when pulling away screwdriver head, this first butted section of end can support in the first spacing hole, makes elastic clamp ring be not easy to pull away and in process, departs from fixing slot.
The further technical characterictic of the present invention, this first spacing raceway groove and the second spacing raceway groove are oppositely arranged, and the first spacing raceway groove and the second spacing raceway groove are offered toward bottom land direction from fixing slot notch respectively.
The further technical characterictic of the present invention, this second butted section is provided with inflexed second support, when screwdriver head is fastened in fixing slot, this first support and the second support clip screwdriver head, to limit screwdriver head arbitrarily in fixing slot intrinsic displacement, and this second spacing raceway groove is offered one second spacing hole, this second butted section can be supported into the second spacing hole, and groove is not consolidated in easy glide card release.
The further technical characterictic of the present invention, this fixing slot cell wall is provided with a limited ring groove, and this limited ring groove is communicated with the first spacing raceway groove and the second spacing raceway groove.
This first support and the second support are toward fixing slot interior crooked arc bending shape or convex tip shaped.
The invention has the beneficial effects as follows, it,, in replacing screwdriver head process, is limited in elastic clamp ring in fixing slot, so as to the convenience that promotes operating efficiency and use.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is exploded perspective schematic diagram of the present invention.
Fig. 2 is that the present invention is assembled in Wrench exploded perspective schematic diagram.
Fig. 3 is that the present invention is assembled in Wrench combination schematic perspective view.
Fig. 4, Fig. 5, Fig. 6 are A-A line segment partial cutaway schematic shown in Fig. 3 of demolition, installation screwdriver head.
Fig. 7 to Fig. 9 is the enforcement state diagram that adapter of the present invention is offered limited ring groove.
Number in the figure explanation:
1 adapter 11 fixing slots
111 first spacing hole 112 second spacing holes
12 first spacing raceway groove 13 second spacing raceway grooves
14 limited ring groove 2 elastic clamp rings
21 22 first butted sections of linkage sections
221 first 23 second butted sections of supports
231 second support 3 screwdriver heads
The specific embodiment
The present invention reaches above-mentioned object and effect, and the technological means adopting and structure, and hereby collocation diagram is described in detail its feature and effect with regard to embodiments of the invention.
Shown in Fig. 1 to Fig. 5, a kind of instrument clamping device of the present invention, it comprises an adapter 1 and an elastic clamp ring 2, wherein: this adapter 1 is provided with a fixing slot 11, these fixing slot 11 inwalls cut open establishes the first spacing raceway groove 12 and the second spacing raceway groove 13 (the spacing raceway groove 12 of the present embodiment first and the second spacing raceway groove 13 are positioned at and are oppositely arranged), and is provided with one first spacing hole 111 in the first spacing raceway groove 12; This elastic clamp ring 2 is mounted on fixing slot 11, this elastic clamp ring 2 shape that takes the shape of the letter U, and elastic clamp ring 2 comprises that a linkage section 21 and is positioned at first butted section 22 of the first spacing raceway groove 12, and one be positioned at second butted section 23 of the second spacing raceway groove 13, this first butted section 22 and second butted section 23 is connected in linkage section 21 two ends, and first butted section 22 is provided with inflexed first support 221; Accordingly, this first butted section 22 and second butted section 23 clips the 3 weeks side that arise from being mounted in fixing slot 11, make screwdriver head 3 be difficult for deviating from fixing slot 11, and when pulling away screwdriver head 3, these first butted section of 22 end can support in the first spacing hole 111, makes elastic clamp ring 2 be not easy to pull away and in process, departs from fixing slot 11 (aforementioned is the technical characteristics of the main embodiment of the present invention).
The further technical characterictic of the present invention, this first spacing raceway groove 12 and the second spacing raceway groove 13 are oppositely arranged, and the first spacing raceway groove 12 and the second spacing raceway groove 13 are offered toward bottom land direction from fixing slot 11 notches respectively.
The further technical characterictic of the present invention, this second butted section 23 is provided with second support 231 toward fixing slot 11 interior bendings, when screwdriver head 3 is fastened in fixing slot 11, this first support 221 and the second support 231 clip screwdriver head 3, to limit screwdriver head 3 arbitrarily in fixing slot 11 intrinsic displacements.
Refer to shown in Fig. 4 to Fig. 6, this elastic clamp ring 2 is mounted in fixing slot 11, and the linkage section 21 of elastic clamp ring 2 is butted on the bottom land of fixing slot 11, and first support 221 of first butted section 22 is arc bending shape to the interior bending of fixing slot 11, and first butted section of 22 end compared with the first spacing hole 111 away from fixing slot 11 notches, and second support 231 of second butted section 23 bends to arc bending shape in fixing slot 11, when installing accordingly screwdriver head 3 and entering fixing slot 11, all sides of this screwdriver head 3 can clip in first support 221 of first butted section 22 and second support 231 of second butted section 23, this first butted section 22 and second butted section 23 is positioned at relative position, therefore its to clip strength be relative, can be fastening clip screwdriver head 3, restriction screwdriver head 3 departs from arbitrarily fixing slot 11.
And when wish is changed screwdriver head 3, upwards screwdriver head 3 is pulled away to fixing slot 11, due to elastic clamp ring 2 fastening clip screwdriver head 3, therefore process Elastic clamp ring 2 can be upwards with displacement, as shown in Figure 6, the linkage section 21 of this elastic clamp ring 2 leaves fixing slot 11 bottom lands to top offset, because first butted section 22 and second butted section 23 of this elastic clamp ring 2 is limited in fixing slot 11 perisporiums, therefore elastic clamp ring 2 holds power state in elasticity, related when elastic clamp ring 2 is up taken away to fixing slot 11 through the first spacing hole 111 and the second spacing hole 112 when arising from 3, remove the spacing of fixing slot 11 for this first butted section 22 and second butted section 23, and support respectively into the first spacing hole 111 and the second spacing hole 112, limit according to this elastic clamp ring 2 and taken away fixing slot 11 simultaneously, promote user and operate to obtain convenience, more can promote operating efficiency.
Above-mentionedly only take that to be provided with the first spacing hole 111 be example, yet, can effectively limit by the quantity of spacing hole elastic clamp ring 2 and depart from fixing slot 11, in this second spacing raceway groove 13, offer one second spacing hole 112, this second butted section 23 can be supported into the second spacing hole, and groove 11 is not consolidated in easy glide card release, but it is identical with the enforcement kenel that is only provided with the first spacing hole 111, when sliding onto the second spacing hole for second butted section 23, its end can fasten into the second spacing hole and go out fixing slot 11 as limiting elastic clamp ring 2 displacements.
In addition, refer to shown in Fig. 7 to Fig. 9, these card circular groove 11 cell walls are provided with a limited ring groove 14, and this limited ring groove 14 is communicated with the first spacing raceway groove 12 and the second spacing raceway groove 13, and is crisscross arranged with the first spacing raceway groove 12 and the second spacing raceway groove 13.This first butted section 22 and second butted section 23 can, by slipping in limited ring groove 14, be gone out fixing slot 11 and limit elastic clamp ring 2 slippages accordingly.
Refer to shown in Fig. 1 and Fig. 7; this first support 221 and the second support 231 are arc bending shape or the convex tip shaped toward fixing slot 11 interior bendings; the present embodiment is not limited the first support 221 and the second support 231 shapes, if the shape of the first support 221 and the second support 231 can effectively clip and fixedly screwdriver head 3 all in protection category of the present invention.
The above, it is only preferred embodiment of the present invention, not the present invention is done to any pro forma restriction, any simple modification, equivalent variations and modification that every foundation technical spirit of the present invention is done above embodiment, all still belong in the scope of technical solution of the present invention.