TWM575760U - Tool handle fastening structure - Google Patents

Abstract

The present invention provides a fastening structure for a tool grip, which is mainly constituted by a handle and a fastening unit; thereby, the innovative and unique design enables the creation to be rotated by rotating the fastening bolt. After the screw thread is screwed into the middle screw hole of the second clamping plate, the pressing end of the fastening bolt is pressed against the top end surface of the clip body of the movable clip to compress the elastic component. And the fastening space, the purpose of the fastening space to radially clamp the preset tool is achieved.

Description

Tool grip fastening structure

This creation relates to a fastening structure for a tool grip, and more particularly to an innovative structural designer that can relatively cushion the amplitude of the impact tool.

Pressing, the grip of the general chipping tool is provided at one end of the handle with a tapered set hole for receiving the tapered end of the end of the tool, and the set of holes are the tapered holes for the insertion end. The tapered insertion end of the conventional rasp tool is fastened by axial cooperation of the tapered assembly hole and the tapered insertion end. However, the conventional tapered engagement is an axial fit fastening manner. The tool is easily caused by long-term use and temperature difference factors, causing thermal expansion and contraction and then falling off.

Therefore, in view of the problems existing in the above-mentioned conventional structure, how to develop an innovative structure that is more ideal and practical, and to use the eagerly awaited by consumers, is also the goal and direction of the relevant industry to strive to develop breakthroughs. In view of this, the creator has been engaged in the manufacturing development and design experience of related products for many years. After the detailed design and careful evaluation of the above objectives, the creator will have a practical and practical creation.

That is, the main purpose of the present invention is to provide a fastening structure for a tool grip; the problem to be solved is that the tapered insertion end of the conventional rasp tool is formed by the tapered assembly hole. The tapered insertion ends are axially fastened and fastened. However, the conventional tapered engagement is an axial fit fastening method, so that the cutter tool is easily caused by long-term use and temperature difference factors, causing thermal expansion and contraction and then falling off. The problem is improved by breakthrough; and the technical feature of solving the problem is mainly by including a handle; a fastening unit is disposed at one end of the handle, and the fastening unit comprises: a 固定 type fixed holder a fixing space is formed inside the fixing clip seat, and the fixing clip seat is respectively provided with a first clamping plate and a bit disposed at the bottom The second clamping plate disposed at the top and the third clamping plate disposed at the side of the third clamping plate are relatively co-constructed, and the third clamping plate is provided with a connecting portion at the other end, and the connecting portion is connected to an inner position of the end of the handle. And the third clamping plate has a set of space through the connecting portion, the set space is connected to the clamping space, wherein the first clamping plate is disposed with two first sets of holes near the leading edge position, and the second clamping plate Aligning the first set of holes is provided with a second set of holes in the form of two internal thread segments, and a center screw hole is arranged near the central position of the second plate; a movable clip group is placed in the fastening In the clamping space of the unit, the movable clip group respectively comprises two upper and lower symmetrical clip bodies, and each of the clip bodies corresponds to the two first set of holes of the first clamping plate and the two first plates of the second clamping plate The two sets of holes are respectively provided with two guiding holes, and the other ends of the clip body and the guiding holes are symmetrically disposed with two guiding holes, and the opposite end positions of the two clip bodies are provided with front and rear slots. Open slot, defining the two V-shaped open slots as a fastening space; two elastic elements The two parts are disposed between the two upper and lower clip bodies of the movable clip, and are located at the positions of the guide holes of the two clip bodies; the two guide posts are respectively inserted into the two clips of the movable clip Positioning the two guiding holes of the main body, and stopping each end of the two guiding columns in the fixing clamping seat; the two fixing bolts comprise a screw group portion, so that the screw group portion is sequentially placed on the first And the two guiding holes of one of the clamping plates, the two guiding holes of one of the clamping body, the two elastic elements, and the two guiding holes of the other clamping body, and the screwing portion is screwed and fixed to a second set of holes of the two internal thread segments of the second clamping plate; a fastening bolt, the fastening bolt includes a knob portion, the bottom portion of the knob portion is provided with an external thread segment, and the bottom end surface of the external thread segment is provided a squeezing end, wherein the external thread segment is disposed at the middle screw hole position of the fixing clip seat, and the screw bolt is rotated to guide the external thread segment into the second clamping plate After the screw hole, the pressing end of the fastening bolt is further pressed against the top surface of the clip body of the movable clip Compressing the elastic element and the fastening space to achieve the purpose of clamping the preset tool in the fastening space; thereby, the innovative and unique design enables the creation to rotate the fastening bolt to guide the external thread segment After being screwed into the middle screw hole of the second clamping plate, the pressing end of the fastening bolt is further pressed against the top end surface of the clip body of the movable clip to compress the elastic component and the fastening space. The purpose of the fastening space to radially clamp the preset tool is achieved.

[this creation]

A‧‧‧ fastening unit

B‧‧‧Handle

10‧‧‧Fixed holder

11‧‧‧First splint

12‧‧‧First set of holes

13‧‧‧Second splint

14‧‧‧Spiral hole

15‧‧‧Second group of holes

16‧‧‧ third splint

17‧‧‧Set space

18‧‧‧掣掣空间

19‧‧‧Connecting Department

20‧‧‧Active clip group

21‧‧‧ Clip body

22‧‧‧ Guide hole

23‧‧‧ Guide hole

24‧‧‧V-shaped open slot

30‧‧‧Flexible components

40‧‧‧ Guide column

50‧‧‧ fixing bolts

51‧‧‧Snail Group

60‧‧‧ fastening bolts

61‧‧‧ knob section

62‧‧‧External thread section

63‧‧‧Forced

S‧‧‧ fastening space

C‧‧‧ Rasp tool

C1‧‧‧ Razor

C2‧‧‧Clamping socket

Fig. 1 is a perspective view showing the combination of the fastening structure of the grip of the creation tool.

Fig. 2 is an exploded perspective view showing the fastening structure of the grip of the creation tool.

Fig. 3 is a cross-sectional view showing the fastening structure of the grip of the presenting tool.

Fig. 4 is a schematic view showing the front end operation of the fastening structure of the grip of the present invention, which shows that the fastening space is not tightened by the fastening bolts.

Fig. 5 is a schematic view of the front end action of the fastening structure of the grip of the creation tool, which shows that the fastening space has been tightened by the fastening bolts.

Fig. 6 is an exploded view of the unassembled tool of the fastening structure of the grip of the creation tool.

Fig. 7 is a combination diagram of the assembled tools of the fastening structure of the grip of the creation tool.

Please refer to FIGS. 1-7, which are preferred embodiments of the fastening structure of the grip of the present invention. However, the embodiments are for illustrative purposes only and are not limited by the structure in the patent application. The system includes: a handle (B); a fastening unit (A) attached to one end of the handle (B), the fastening unit (A) comprising: a 固定 type fixed clamp (10), A clamping space (18) is formed inside the fixing clip seat (10), and the fixing clamping seat (10) is respectively provided with a first clamping plate (11) disposed at the bottom and a second clamping plate (13) disposed at the top. And a third plywood (16) disposed on the side of the side is relatively co-constructed, the third plywood (16) is provided at the other end with a connecting portion (19), the connecting portion (19) is coupled to the An inner position of one end of the handle (B), and the third clamping plate (16) has a set of spaces (17) passing through the connecting portion (19), and the set space (17) is connected to the clamping space (18). Wherein the first clamping plate (11) is provided with two first sets of holes (12) near the leading edge position, and the second clamping plate (13) is provided with two internal threads at the position of the first set of holes (12) a second set of holes (15) in the segment form, and a near central position of the second plate (13) a central screw hole (14) is provided; a movable clip group (20) is disposed in the clamping space (18) of the fastening unit (A), and the movable clip group (20) respectively includes Two upper and lower symmetrical clip bodies (21), each of the clip bodies (21) corresponding to the first set of holes (12) of the first plate (11) and the second and second of the second plate (13) The group holes (15) are respectively provided with two guiding holes (22), and each of the clip bodies (21) Two guide holes (23) are disposed at the opposite ends of the guide holes (22), and the opposite end positions of the two clip bodies (21) are provided with V-shaped open slots (24). The two V-shaped open grooves (24) are defined as a fastening space (S); the two elastic members (30) are respectively disposed on the two upper and lower clip bodies (21) of the movable clip (20). Between the positions of the guide holes (22) located at the two clip bodies (21); the two guide posts (40) are respectively inserted into the two clip bodies of the movable clip (20) (21 Positioning the two guide holes (23), and stopping each end of the two guide posts (40) in the fixed clamp seat (10); the two fixing bolts (50) comprise a screw assembly portion ( 51), the screw group (51) is sequentially placed on the two first holes (12) of the first clamping plate (11), and the two guiding holes of one of the clamping body (21) (22) After the two elastic elements (30) and the two guiding holes (22) of the other clamping body (21), the screw assembly (51) is screwed and fixed to the second clamping plate (13). a second set of holes (15) in the form of two internal thread segments; a fastening bolt (60), the fastening bolt (60) comprising a knob portion (61), the knob portion (61) bottom An externally threaded section (62) is provided, and a bottom end surface of the externally threaded section (62) is provided with an abutting end (63), wherein the externally threaded section (62) is disposed on the fixed clamping seat (10) Positioning the middle screw hole (14), by rotating the fastening bolt (60), screwing the external thread segment (62) into the middle screw hole (14) of the second clamping plate (13), further The urging end (63) of the fastening bolt (60) is pressed against the top end surface of the clip body (21) of the movable clip (20) to compress the elastic member (30) and the fastening space. (S), reaching the purpose of holding the preset tool in the fastening space (S).

Then, the tool to be fastened by the fastening space (S) of the fastening unit (A) may be a ripper tool (C) having two flank faces (C1), and One end of the chipping tool (C) is provided with a clamping end (C2) of a non-circular cross section, so that the clamping end (C2) can be inserted and disposed in the fastening space of the fastening unit (A) ( S).

Thereby, the present invention can further tighten the screw bolt (60) by screwing the external thread segment (62) into the middle screw hole (14) of the second clamping plate (13). The urging end (63) of the fixing bolt (60) is pressed against the top end surface of the clip body (21) of the movable clip (20) to compress the elastic member (30) and the fastening space (S) ), reaching the purpose of the fastening space (S) to radially clamp the preset tool.

By summarizing the above description, the design of the above structure can effectively overcome the shortcomings faced by the new style of the formula, and further has the above-mentioned numerous advantages and practical value, so this creation is an innovative new creation, and in the same The same or similar product creation or public use has not been seen in the technical field. Therefore, this creation has met the requirements of the novelty of "newness" and "progressiveness", and is applied according to law.

Claims (2)

A fastening structure for a tool holder includes: a handle; a fastening unit attached to one end of the handle, the fastening unit comprising: a cymbal type fixed holder, the inside of which forms a The clamping space is respectively formed by a first clamping plate disposed at the bottom, a second clamping plate disposed at the top, and a third clamping plate disposed at the side. The other end of the three-ply board is provided with a connecting portion, and the connecting portion is connected to the inner position of the end of the handle, and the third clamping plate has a set of space through the connecting portion, the set space is connected to the clamping space, wherein the connecting space Two first sets of holes are disposed in the first clamping plate near the leading edge position, and the second clamping plate is opposite to the first set of holes, and the second set of holes in the form of two internal thread segments is provided, and the second clamping plate is a central screw hole is disposed at a central position; a movable clip group is disposed in the clamping space of the fastening unit, and the movable clip group respectively comprises two upper and lower symmetrical clip bodies, each of the clips The body corresponds to the two first set of holes of the first clamping plate and the second clamping plate The two second groups of holes are respectively provided with two guiding holes, and the other ends of the clamping piece body and the guiding holes are symmetrically disposed with two guiding holes, and the opposite end positions of the two clamping pieces are arranged in front and rear. The V-shaped open groove is defined as a fastening space between the two V-shaped open grooves; the two elastic elements are disposed between the two upper and lower clip bodies of the movable clip, and are located on the two clips. Positioning the guide holes of the main body; the two guide posts are respectively disposed at the positions of the two guide holes of the two clip bodies of the movable clip, and the ends of the two guide posts are blocked by the fixing The two fixing bolts include a screw group portion, and the screw group portion is sequentially disposed on the two first group holes of the first clamping plate, the two guiding holes of one of the clip bodies, and the two guiding holes After the two guiding holes of the elastic member and the other clip body, the screw group is screwed and fixed to the second group of holes of the two internal thread segments of the second clamping plate; a fastening bolt, The fastening bolt includes a knob portion, the bottom portion of the knob portion is provided with an external thread segment, and the bottom end surface of the external thread portion is provided with a pressing end. Wherein the external thread segment is disposed at the middle screw hole position of the fixing clamp seat, and the screw bolt is rotated to screw the external thread segment into the middle screw hole of the second clamping plate, and further The pressing end of the fastening bolt is pressed against the top end surface of the clip body of the movable clip to compress the elastic member and the fastening space to achieve the purpose of clamping the preset tool in the fastening space. . The fastening structure of the tool holder according to claim 1, wherein the fastening means of the fastening unit is a tool for fastening, the blade tool has two rake faces, and the frustration One end of the knife tool is provided with a clamping end of a non-circular cross section, so that the clamping end can be inserted and set in the fastening space of the fastening unit.