CN2717623Y

CN2717623Y - One-way spanner gripping structure

Info

Publication number: CN2717623Y
Application number: CN 200420028392
Authority: CN
Inventors: 谢智庆
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-02-23
Filing date: 2004-02-23
Publication date: 2005-08-17
Anticipated expiration: 2014-02-23

Abstract

The utility model relates to a one-way spanner gripping structure. An accommodating chamber is arranged on one end of the body of the spanner, a direction control groove is communicated on a suitable position beneath the accommodating chamber provided with a gearless ratchet wheel. A direction control apparatus is arranged in the direction control groove, comprising a direction control assembly clamped to the gearless ratchet wheel and an elastic body; the gearless ratchet wheel is forced by an opposite stress because of different pull direction when the body of the spanner is pulled; the clamped gearless ratchet wheel runs synchronously with the body of the spanner when the gearless ratchet wheel is forced by a stress from a direction ; when the gearless ratchet wheel is forced by a stress from an opposite direction, the direction control assembly forced by a stress from the horizontal direction shifts, and pulls a resilient to guarantee that the gearless ratchet wheel can rotate relatively to the body of the spanner. The utility model has the advantages of simple structure, convenient replacement of parts and operation, and ideal using effect.

Description

The lug wrench clamping structure

One, technical field

The utility model relates to hand tools, relates in particular to a kind of lug wrench clamping structure that is applied to anodontia ratchet spanner.

Two, background technology

Existing general ratchet tool is extensive use of by people, and it is quite convenient to use, and torque value also reaches the level that requires of industry use along with improving of epoch.

Yet the consumption habit along with the consumer changes now, and people require to have the different types and the outward appearance of aesthetic feeling to a lot of things even instrument, and same, the direction control structure of ratchet spanner also needs constantly to improve the requirement that just can meet modern consumer.

With reference to annex one (being No. the 359207th, Taiwan patent announcement " the unidirectional clamping structure improvement of ratchet spanner ") and annex two (for Taiwan patent announcement No. 493495 " the unidirectional clamping structure improvement of ratchet spanner "), its architectural feature all is to utilize a ratchet-gear wheel and with ratchet to have brake block with the ratchet engagement of ratchet-gear wheel, cooperates a spring again and reaches the effect of the unidirectional blocking of ratchet.Though yet this type of ratchet spanner is generally used by the sector, but there is the cumbersome problem of processing, its processing focuses on its ratchet position, under the situation of a large amount of processing, if can reduce the procedure of processing of a ratchet, can reduce its manufacturing cost in a large number, also can increase its industrial competitiveness, can also make the consumer use better product with cheaper price, be a doulbe-sides' victory effect in fact; Moreover it need have more assembly to be assembled in body, and the assembling formality is numerous and diverse, and improved necessity is arranged in fact.

Again, with reference to annex three (for No. the 220161st, Taiwan patent announcement " spanner tumbler can be one append one to interlock and the changeable anodontia ratchet-type clamping structure that turns to "), though changing into, its architectural feature adopt anodontia structural design to reach the blocking pattern, its member also seems numerous and diverse, and its part and be not easy to change; The configuration of its structural design, as be nested with the circular hole of spring, and be not easy to process in the processing procedure, the anti-processing cost that makes increases, have in fact improve necessary.

By above-mentioned, the utility model creator is being engaged in the experiment that the hand tools research and development reach permanent effort for many years, and development and Design goes out lug wrench clamping structure of the present utility model finally.

Three, utility model content

Main purpose of the present utility model is to overcome the above-mentioned shortcoming that existing product exists, and provide a kind of lug wrench clamping structure, it is provided with accommodation chamber at wrench body one end, accommodation chamber is provided with anodontia ratchet, the connection of accommodation chamber below is provided with control to groove, control to the ccontaining control of groove to device, cooperate to device with control by anodontia ratchet, when wrench body is pulled,, bestow anodontia ratchet counter stress relatively because of pulling the direction difference, make it when being subjected to a certain direction stress, lived by blocking and rotate synchronously, and when being subjected to opposite a certain direction stress, make control be subjected to the effect displacement of horizontal direction stress to assembly to the control of device with wrench body, the pushing and pressing control is to the elastomer of device, anodontia ratchet can be rotated relative to pulling body, easy to operate, satisfactory for result.

The purpose of this utility model is realized by following technical scheme.

The utility model lug wrench clamping structure comprises wrench body; It is characterized in that described wrench body one end forms an accommodation chamber, the appropriate location connection of accommodation chamber below is provided with control to groove; One anodontia ratchet, it is arranged in the accommodation chamber; One control is to device, and it is arranged on control in groove, and it is made up of to an assembly and an elastomer a control, and this control is fastened on the anodontia ratchet to assembly; When wrench body is pulled, because of pulling the direction difference, can bestow the opposite stress of anodontia ratchet one relatively, make it when being subjected to a certain direction stress, can be lived by blocking and rotate synchronously, and when being subjected to opposite a certain direction stress, can make control be subjected to a horizontal direction stress displacement to assembly with wrench body, anodontia ratchet can be rotated relative to pulling body for the pushing and pressing elastic component.

Aforesaid lug wrench clamping structure, wherein anodontia ratchet is provided with profile groove, and described control is cutd open to the assembly side and is provided with a plane.

Aforesaid lug wrench clamping structure is wherein controlled to groove and control and is provided with two groups to device.

Aforesaid lug wrench clamping structure, wherein controlling to assembly is the polygon cylinder.

Aforesaid lug wrench clamping structure, wherein the polygon cylinder is a square body.

Aforesaid lug wrench clamping structure, wherein the polygon cylinder is the hexagonal cylinder.

Four, description of drawings

Fig. 1 is the decomposition texture schematic diagram of the utility model lug wrench clamping structure.

Fig. 2 is the generalized section of the utility model lug wrench clamping structure.

Fig. 3 pulls the operating state schematic diagram clockwise for the utility model lug wrench clamping structure.

Fig. 4 pulls the operating state schematic diagram counterclockwise for the utility model lug wrench clamping structure.

Fig. 5 is another operating state schematic diagram of the utility model lug wrench clamping structure.

Fig. 6 is the utility model lug wrench clamping structure second example structure schematic diagram.

Fig. 7 is the utility model lug wrench clamping structure second example structure generalized section.

Fig. 8 is the utility model lug wrench clamping structure the 3rd embodiment decomposition texture schematic diagram.

Fig. 9 is the utility model lug wrench clamping structure the 3rd example structure generalized section.

Figure 10 is the utility model lug wrench clamping structure the 4th example structure schematic diagram.

Figure 11 is the utility model lug wrench clamping structure the 5th example structure schematic diagram.

The number in the figure explanation: 10 wrench body, 11 accommodation chambers, 12 first closure members, 13 controls are controlled to assembly, 32 elastomers, 33 second closure members to device, 31 to groove, 20 anodontia ratchets, 21 tangent planes, 22 profile grooves, 30 controls.

Five, the specific embodiment

The utility model relates to a kind of lug wrench clamping structure, and this lug wrench clamping structure comprises that mainly a wrench body, an anodontia ratchet and a control are to device; Wherein: wrench body one end is provided with an accommodation chamber, and this accommodation chamber just can ccontaining one anodontia ratchet; In addition, be positioned at this accommodation chamber below, be communicated with cutter and be provided with a control to groove, this control to groove can a ccontaining control to device; Anodontia ratchet is a blocking state with control to device.

Anodontia ratchet outer rim forms a circle tangent plane with control to device blocking place; Control is made up of to assembly, an elastomer and a closure member a control to device, and it can be arranged on control in groove in regular turn, in being defined in by closure member again; Wherein, control is a cylinder to assembly, and its side is provided with a section, and this side slightly is exposed to accommodation chamber, just can be fastened on the anodontia ratchet profile groove; Elastomer is replaced in control on assembly.

By this tactic pattern, when the utility model is pulled when wrench body, because of pulling the direction difference, can bestow the opposite stress of anodontia ratchet one relatively, make it when a certain direction stress, can be lived by blocking and rotate synchronously with wrench body, and when accepting opposite a certain direction stress, can make control be subjected to a horizontal direction active force displacement and push against elastic component, anodontia ratchet can be rotated relative to pulling body to assembly.

As mentioned above, the utility model keeps the effect that existing ratchet is had, and it is numerous and diverse to improve the existing product structure, structure configuration design is unfavorable for the problem of processing, and it simplifies element structure, helps making processing, make part have replaceability, being convenient to user's renewal part, in fact is one to have industry applications, and the creation of preferable practicality.

When the utility model lug wrench clamping structure is implemented, see also Fig. 1, shown in Figure 2, be most preferred embodiment of the present utility model, this lug wrench clamping structure comprises that mainly a wrench body 10, one an anodontia ratchet 20 and a control are to device 30; Wherein: wrench body 10 1 ends are provided with an accommodation chamber 11, and this accommodation chamber 11 just can ccontaining one anodontia ratchet 20, is set in accommodation chamber 11 1 ends by one first closure member 12 again, with anodontia ratchet 20 clips in accommodation chamber 11; In addition, be positioned at accommodation chamber 11 belows, be communicated with cutter and be provided with a control to groove 13, this control to groove 13 can a ccontaining control to device 30; Make anodontia ratchet 20 and control be a blocking state to device 30.

As mentioned above, architectural feature of the present utility model is: the appropriate location is provided with a circle tangent plane 21 in the middle of anodontia ratchet 20 outer rims, and it is corresponding to blocking place of device 30 with control.

This control is made up of to assembly 31, an elastomer 32 and one second closure member 33 control to device 30, and it can be arranged on control in regular turn in groove 13, will control in device 30 is defined in by second closure member 33 again; Wherein, control is a cylinder to assembly 31, and its side is provided with a section, and this side slightly is exposed to accommodation chamber 11, just can be fastened on anodontia ratchet 20 tangent planes 21; Elastomer 32 is replaced in control on assembly 31.

Consult Fig. 3 to shown in Figure 5, when the utility model uses, because anodontia ratchet 20 is the blocking state with control to assembly 31, when wrench body 10 clockwise directions are pulled, the anodontia ratchet 20 corresponding anticlockwise stress that are subjected to, live to assembly 31 blockings by control, and rotate synchronously with wrench body 10; On the contrary, when wrench body 10 when counter clockwise direction is pulled, the anodontia ratchet 20 corresponding clockwise stress that are subjected to, this stress is bestowed the component of control to assembly 31 1 horizontal directions, and make control to assembly 31 pushing and pressing elastomers 32, this elastomer 32 is compressed because of stressed, and control to assembly 31 displacement in horizontal direction anodontia ratchet 20 can be rotated relative to pulling body.

Second most preferred embodiment of the present utility model, please refer to Fig. 6 to shown in Figure 7, itself and above-mentioned most preferred embodiment difference are that ratchet 20 outer rims that it is anodontia can be provided with annular profile groove 22 one, other manner of execution are same as the previously described embodiments, also have identical effect.

Consult Fig. 8 again to shown in Figure 9, be the 3rd most preferred embodiment of the present utility model, itself and the foregoing description architectural feature difference are, can be provided with two controls to groove 13 and two groups of controls to device 30, and its anodontia ratchet 20 outer rims also are provided with twice profile groove 22, manner of execution is same as the previously described embodiments, has identical effect equally.

In addition, the the of the present utility model the 4th and the 5th most preferred embodiment, please refer to Figure 10 to shown in Figure 11, itself and the foregoing description architectural feature difference are, its control can be designed to square or hexagonal non-circular cylinder to assembly 31, and this profile groove 22 is for matching with the shape of control to assembly 31, and sets to the concave and can be harmonious to assembly 31 with control, and its manner of execution and effect are also same as the previously described embodiments.

Therefore, aforesaid lug wrench clamping structure, the utility model is compared with existing ratchet structure as can be known, it has overcome the shortcoming of existing product, the all functions of existing ratchet have been kept, simplified the structure of existing product, advantage that it has and the effect that can reach are: 1, the utility model can make Wrench reach the effect of control action direction; 2, when part need be changed, can and take away second closure member, 33 spiral shells pines, so just can easily elastic component or every member be replaced, overcome the drawback that existing product can't simple and easy replacement; 3, assembling of the present utility model is more simple and easy and convenient; 4, the utility model utilizes an anodontia ratchet 20 and a collocation of controlling to assembly 31, make anodontia ratchet 20 no longer need ratchet, and control only is a simple geometry body to assembly 31, reprocessing is provided with a section, not only reduce its manufacturing cost, more improving existing ratchet-gear wheel needs many one rollings to process the shortcoming of ratchet.

The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did.

Claims

1, a kind of lug wrench clamping structure comprises wrench body; It is characterized in that described wrench body one end forms an accommodation chamber, the connection of accommodation chamber below is provided with control to groove; One anodontia ratchet, it is arranged in the accommodation chamber; One control is to device, and it is arranged on control in groove, and it is made up of to an assembly and an elastomer a control, and this control is fastened on the anodontia ratchet to assembly.

2, lug wrench clamping structure according to claim 1 is characterized in that, described anodontia ratchet is provided with profile groove, and described control is cutd open to the assembly side and is provided with a plane.

3, lug wrench clamping structure according to claim 1 and 2 is characterized in that, described control is provided with two groups to groove and control to device.

4, lug wrench clamping structure according to claim 1 is characterized in that, described control is the polygon cylinder to assembly.

5, lug wrench clamping structure according to claim 4 is characterized in that, described polygon cylinder is a square body.

6, lug wrench clamping structure according to claim 4 is characterized in that, described polygon cylinder is the hexagonal cylinder.