TWI686270B - Sleeve with fastening device - Google Patents

Abstract

The sleeve with a fastening device of the present invention is mainly sleeved on a wrench, wherein the sleeve includes: A connecting section and a group of connecting sections, the outer peripheral surface of the connecting section is formed by a plurality of clamping planes surrounding the connection, and the connection between the clamping planes further forms a plurality of clamping corners, and each clamping corner Any one of them is recessed to form an assembly groove, and an elastic positioning component is provided in the assembly groove, and one end of the elastic positioning component is exposed to the slot of the assembly groove; and an assembly hole is provided to penetrate the connecting section and the assembly In which, through the structural design that the elastic positioning component is provided at any clamping corner, the elastic positioning component will not be affected by the increase or decrease of the number of each clamping plane and affects the stable engagement with the wrench.

Description

Sleeve with fastening device

The sleeve with a fastening device of the present invention refers to the technology applied in the field of hand tools, which is mainly assembled with a ratchet wrench and drives the loosening and tightening of screws and nuts.

Hand tools are one of the most commonly used items by many laborers. Among them, screwdrivers, wrenches, and sockets are the largest quantities. Simple screwdrivers, wrenches, and sockets can be used for assembly. Disassembling any item is convenient and can be carried intensively. However, please refer to the sixth figure, the technology to be discussed today is between the penetrating ratchet wrench and the sleeve 40. The general penetrating ratchet wrench has a ring gear , And a polygonal hole is dug in the center of the ring, and the sleeve 40 will be inserted into the polygonal hole of the penetrating ratchet wrench at one end, and the inserted end of the sleeve 40 will be polygonal corresponding to the polygonal hole, and in order to make the sleeve 40 can be positively engaged in the polygonal hole of the gear ring of the penetrating ratchet wrench, so at least one elastic component 401 is provided on the outer peripheral surface of the end of the sleeve 40 inserted into the multi-deformation hole, the same penetrating ratchet In order to match the elastic component 401 of the sleeve 40, the wrench is provided with at least one fixing component on the wall of the multi-deformation hole to provide at least one elastic component 401 for clamping, thereby completing the sleeve 40 and the penetrating ratchet wrench Assembly and use.

However, the combination of the above-mentioned general sleeve 40 and the see-through ratchet wrench does provide proper positioning, but look carefully at the shape of the end of the general sleeve 40 inserted into the penetrating ratchet wrench showing a polygonal column shape Body, and at least one elastic component 401 is provided on the outer peripheral surface of the sleeve 40 having a polygonal columnar body, however, the size and dimensions of the screw and nut are different Next, the sleeve 40 of different sizes and models must be replaced from time to time, and the end of the sleeve 40 with a polygonal cylindrical body will increase the number of sides, resulting in each side gradually narrowing, making the sleeve 40 and the penetrating ratchet The engagement relationship between the wrenches cannot be maintained stable, and at least one elastic component 401 will also bear more driving force of the sleeve 40 due to the narrowed side surface, resulting in accelerated wear of the elastic component 401, in short, the user is holding through In the case of a ratchet wrench, the sleeve 40 cannot be firmly engaged, so the problem of the sleeve 40 rotating is generated. Therefore, industry players in this field must think again about how to improve in order to eliminate the above-mentioned problems and meet the needs of the public.

In view of the above situation, the inventor put in a lot of time to study related knowledge, compare the advantages and disadvantages, conduct research and development of related products, and have gone through many experiments and tests, and finally launched a "sleeve with fastening device" 『Improve the above deficiencies to meet the public needs.

The main purpose of the present invention is to improve the stability of the combination between the sleeve and the penetrating ratchet wrench, and to eliminate the deficiencies listed in the prior art. The engagement of the sleeve and the penetrating ratchet wrench will gradually lose due to the increase of the side surface . To this end, the inventor strives to achieve the objectives and effects of the foregoing invention. A sleeve with a fastening device of the present invention is mainly sleeved on a wrench, wherein the sleeve includes an engaging section and a set of connecting sections. The outer peripheral surface is formed by a plurality of clamping planes surrounding the connection, and the connection between the clamping planes further forms a plurality of clamping corners, and any one of the clamping corners is recessed to form an assembly groove, and An elastic positioning component is arranged in the assembling slot, and one end of the elastic positioning component will be exposed in the slot of the assembling slot; an assembly hole is provided to penetrate the connecting section and the assembling section; wherein, the elastic positioning component is provided on any card Under the structural design of the edge corner, the elastic positioning component will not be affected by the increase or decrease of the number of each clamping plane and will affect the stable engagement with the wrench.

According to the main technical features described above for the present invention, a further technical feature is that one end of the connecting section is connected to the assembly section, and the other end of the connecting section extends to connect a ring rib, and the ring rib and the connecting section A ring neck groove is formed between the outer surfaces.

According to the main technical features described above for the present invention, a further technical feature is that the hole pattern of the assembly hole in the connection section may be polygonal or circular, and the hole pattern of the assembly hole in the assembly section may be polygonal Or circular, and the hole pattern of the assembly hole under the combination of the connecting section and the assembly section can be any combination of the above.

According to the main technical features described above for the present invention, a further technical feature is that one end of the set of connecting segments connecting the connecting segments further protrudes from each clamping plane.

According to the main technical features described above for the present invention, a further technical feature is that an elastic positioning component is further provided on the corresponding clamping corner of any two of the clamping corners.

Based on the above technical features described for the present invention, the elastic positioning group is provided at any clamping edge of the connecting section of the sleeve, so that the combination between the sleeve and the penetrating ratchet wrench is not affected The number of clamping planes is sufficient to stabilize the sleeve and the penetrating ratchet wrench, thereby ensuring that the sleeve will not be dropped or lost randomly during construction operations, thereby maintaining a certain working efficiency; therefore, the present invention can be said to be A very practical and progressive invention is worthy of promotion by the industry and made public.

(this invention)

10: Penetrating ratchet wrench

101: Ratchet ring

102: Combination hole

20: D-head ratchet wrench

30: cylindrical adapter

1: sleeve

11: Connection section

111: snap plane

112: card corner

113: Assembly slot

12: Group connection section

13: Assembly hole

14: Ring rib

15: Ring neck groove

2: Elastic positioning components

(Conventional Technology)

40: sleeve

401: Elastic component

The first figure is a perspective schematic view of the present invention.

The second picture is a schematic cross-sectional view of the line II-Ⅱ of the first picture.

The third figure is a three-dimensional explanatory diagram of the invention and a penetrating ratchet wrench.

The fourth figure is an exploded perspective view of the present invention and another ratchet wrench and cylindrical sleeve.

The fifth figure is a schematic cross-sectional view of another embodiment of the invention with two sets of elastic positioning components.

The sixth figure is a schematic diagram of a conventional technology.

In order to clearly explain that the present invention can achieve the above objectives and effects, the features and functions of the embodiments of the present invention are described in detail with reference to the drawings. Please refer to the first picture to the fourth picture, the sleeve of the present invention with a fastening device is mainly sleeved on a wrench, and the sleeved wrenches can be divided into a variety of types, so the following is a penetrating ratchet wrench 10 is the main description, wherein the sleeve 1 includes an engaging section 11 and a group of connecting sections 12, the outer peripheral surface of the engaging section 11 is formed by a plurality of clamping planes 111 surrounding the connection, and between the clamping planes 111 The connection further forms a plurality of clamping corners 112, and any one of the clamping corners 112 is recessed to form an assembly groove 113, and an elastic positioning component 2 is provided in the assembly groove 113, and the elastic positioning component 2 It can be composed of springs, shrapnel and other elastic objects and steel balls. One end of the elastic positioning component 2 will be exposed in the slot of the assembly groove 113; an assembly hole 13 is also provided to penetrate the connecting section 11 and the assembly section 12; The elastic positioning component 2 is disposed under any structural design of the clamping edge 112, and the elastic positioning component 2 will not be affected by the increase or decrease of the number of each clamping plane 111 to affect the stable engagement with the wrench (the foregoing is the invention) The main technical features of the main embodiment, which correspond to the content of the first item of the patent application scope of this case, can be understood in detail the purpose and implementation type of the present invention, and the technical features described in the remaining subsidiary patent application scopes are (A detailed description of an item or additional technical features, rather than limiting the scope of the first item of the scope of the patent application, it should be understood that the first item of the patent scope of this case does not necessarily include the technical features described in the scope of the patents of the remaining subsidiary applications) .

Please refer to the third figure, and with the aid of the first figure, the user can use the engaging section 11 of the sleeve 1 of the present invention to insert the penetrating ratchet wrench 10, in addition to the engaging plane 111 and the penetrating ratchet The combination hole 102 of the ratchet ring 101 of the wrench 10 is engaged, and the elastic positioning assembly 2 is configured to spring against the insertion groove (not shown) in the combination hole 102 of the ratchet ring 101, and the two parts are combined to complement each other. It is possible to provide a stable combination of the sleeve 1 and the penetrating ratchet wrench 10, and because of the conventional technology, the elastic member is arranged on the surface, as long as the width of the face becomes narrower and smaller, except for the ratchet that cannot be combined with the penetrating ratchet wrench In addition to the fact that the combination hole of the ring is indeed engaged, the size of the elastic member also nearly covers the entire surface, resulting in the situation that the penetrating ratchet wrench cannot be stable when driving the sleeve and is prone to decoupling. Therefore, the present invention uses the elastic positioning component 2 Set on any one of the clamping corners 112 of each clamping corner 112, so that each clamping plane 111 can be surely and firmly engaged with the combination hole 102 of the ratchet ring 101, and then through the elastic positioning assembly 2 and combination The insertion groove in the hole 102 is engaged, so that the sleeve 1 can be more clearly combined with the ratchet ring 101 of the penetrating ratchet wrench 10 firmly.

Referring again to the first figure, one end of the connecting section 11 is connected to the assembly section 12, and the other end of the connecting section 11 is extended to connect a ring rib 14 between the outer surface of the ring rib 14 and the connecting section 11 A ring neck groove 15 is formed therebetween. The main function of the ring neck groove 15 is to provide a C-type buckle (not shown) of the penetrating ratchet wrench 10 to form a third engaging portion. The ring neck groove 15 The arrangement of the sleeve 1 allows the sleeve 1 to be more firmly combined with the penetrating ratchet wrench 10 without falling off arbitrarily; in addition, one end of the connecting section 12 connected to the connecting section 11 is further protruded from each engaging plane 111, so the sleeve When the barrel 1 is assembled to the penetrating ratchet wrench 10, the edge of one end of the ratchet ring 101 will abut against the protruding portion of the assembly section 12, thereby restricting the assembly position of the sleeve 1 in the assembly hole 102 to avoid excessive It is installed to disengage from the combination hole 102.

Finally, there are many types of wrenches that the sleeve 1 of the present invention can fit. In addition to the aforementioned penetrating ratchet wrench 10, the D-head ratchet wrench 20 can also be used. Please refer to the fourth figure, and the present invention is designed to match different Used, the hole type of the assembly hole 13 in the connecting section 11 can be square or polygon, and the hole type of the assembly hole 13 and the assembly section 12 can be square or polygon, and the overall assembly hole 13 The hole pattern can be various combinations of the above, for example: the connecting section 11 is a square hole, the grouping section 12 is a polygonal hole, or the connecting section 11 is a polygonal hole, and the grouping section 12 is a combination of square holes, mainly matching Different ratchet wrenches are used, so when the sleeve 1 must be suitable for the D-head ratchet wrench 20, it can be transferred through another cylindrical adapter 30, as shown in the fourth figure, which can meet the use of various ratchet wrenches, and The transfer position of the cylindrical coupling cylinder 30 can be combined with the coupling section 11 of the sleeve 1 (not shown). The use of the cylindrical coupling cylinder 30 is changed according to the user's operation and preference, so any transfer The methods are within the scope of the present invention.

To summarize, the present invention uses the elastic positioning component 2 to be installed on any one of the clamping corners 112, so that each clamping plane 111 can be evenly interlocked with the combination hole 102 of the ratchet ring 101 of the penetrating ratchet wrench 10 With the cooperation of the elastic positioning assembly 2, the user can reliably control the rotation of the sleeve 1 with a wrench in operation, and the control process is extremely stable, and there will be no problems such as rotation and shedding. As shown in the fifth figure, the number of the elastic positioning components 2 can also be increased, thereby improving the stability of the engagement between the sleeve 1 and the ratchet wrench. Compared with the prior art, the elastic component 401 is installed on the surface If the number of faces increases, the mounting position of the elastic component 401 will be insufficient, and the area of each face is too small will cause the sleeve 40 to rotate and become unstable during driving. It can be seen that the sleeve 1 of the present invention is clear The improvement of the lack of conventional technology to meet the needs of the public, but also has a certain degree of progress and practicality. The above are merely preferred embodiments for explaining the present invention, and are not intended to be used to make any form of the present invention. The limitation of the formula is that any modifications or changes made to the present invention under the same spirit of the invention, which are other types that can be implemented and have the same effect, should still be included in the present invention. Within the scope of protection.

In summary, the "sleeve with fastening device" of the present invention is indeed fully practical and cost-effective to meet the needs of industrial development, and the disclosed structural invention also has an unprecedented innovative structure, so Its "novelty" should undoubtedly be considered, and the present invention can be more effective than the conventional structure. Therefore, it also has "progressiveness", which fully complies with the provisions of the patent law of China's patent application requirements and is filed in accordance with the law. Patent application, and please urge the Jun Bureau to review as soon as possible and give affirmation.

1: sleeve

11: Connection section

111: snap plane

112: card corner

12: Group connection section

13: Assembly hole

14: Ring rib

15: Ring neck groove

2: Elastic positioning components

Claims (5)

A sleeve with a fastening device is mainly sleeved on a wrench, wherein the sleeve includes an engaging section and a group of connecting sections, the outer peripheral surface of the engaging section is formed by a plurality of clamping planes surrounding the connection, and each clamping The connection between the planes further forms a plurality of clamping corners, and any one of the clamping corners is recessed to form an assembly slot, and an elastic positioning component is provided in the assembly slot, one end of the elastic positioning component It will be exposed in the slot of the assembly slot; there is also an assembly hole penetrating the connecting section and the assembly section; wherein, through the structural design of the elastic positioning component disposed at any clamping corner, the elastic positioning component will not be affected by each card The increase or decrease of the number of connecting planes affects the stable engagement with the wrench. The sleeve with a fastening device according to item 1 of the patent application scope, wherein one end of the connecting section is connected to the assembly section, and the other end of the connecting section extends to connect a ring rib, and the ring rib and the connecting section A ring neck groove is formed between the outer surfaces. The sleeve with a fastening device according to item 1 or item 2 of the patent application scope, wherein the hole type of the assembly hole in the connecting section may be polygonal or square, and the assembly hole is in the hole of the assembly section The pattern can be polygonal or square, and the hole pattern of the assembly hole under the combination of the connecting section and the assembly section can be any combination of the above. According to the sleeve with the buckling device described in item 3 of the scope of the patent application, one end of the connecting section connecting the connecting section is further protruded from each clamping plane. According to the sleeve with a fastening device as described in item 4 of the patent application scope, an elastic positioning component is further provided on the corresponding clamping corner of any two of the clamping corners.

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