CN1293993C

CN1293993C - Improved ratchet direction control structure

Info

Publication number: CN1293993C
Application number: CNB021241791A
Authority: CN
Inventors: 谢智庆
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-07-10
Filing date: 2002-07-10
Publication date: 2007-01-10
Anticipated expiration: 2022-07-10
Also published as: CN1467054A

Abstract

The present invention relates to an improved direction control structure for a ratchet wheel. A holding chamber is arranged on a head of a spanner body, a brake slot and a direction control slot are arranged on one side edge of the holding chamber, the direction control slot and the brake slot form a connection state, the holding chamber and the brake slot form an engagement state, and a ratchet gear wheel and a brake block are respectively held in the holding chamber and the brake slot. The direction control slot is used for holding a direction control structure, a propping hole slot used for holding a steel ball and a spring is arranged in the direction control slot, and the steel ball elastically props the direction control structure which comprises a direction control block and an elastic piece. A locating slot is arranged on the direction control block, and the back of the locating slot is provided with two propping sections, and the locating slot is used for positioning the elastic piece which also comprises two propping ends and a shaft section used for making a locating assembly position the elastic piece in the locating slot. Two brake sections are arranged on the back of the brake block and can be propped by the two propping ends of the elastic piece. The present invention has the advantages of stable structure, convenient direction control and no use collision generation, has the efficiency of accurate use, and has an industrial utility value.

Description

The ratchet spanner of improvement

Technical field

The present invention relates to the direction control structure that a kind of field of hand is used for the ratchet of fastening, connection, dismounting or clamping tools, particularly relate to a kind of ratchet spanner (two) of improvement.

The ratchet spanner (two) of the present invention's improvement, it mainly includes a wrench body, ratchet-gear wheel, brake block and a direction control structure, wherein, one head of this wrench body is provided with an accommodation chamber, the side of this accommodation chamber and formation are provided with a brake groove, in addition and be provided with one the control to groove, and between groove and brake groove, form a connected state in this control, and accommodation chamber and brake groove can be placed in it for ratchet-gear wheel and brake block respectively, and making it be engagement, the hole slot of pulling is pushed up in this control about the groove back forms;

This direction control structure, comprise that a control is to piece and the elastic top device of pulling, this elastic top device of pulling comprises a steel ball, spring and a headgear, and this control is provided with a locating slot and a containing hole to piece, this locating slot is to receive into for cover plate, and the ccontaining elastic top of the containing hole device of pulling, and its steel ball can be pushed up pull about the top hole slot of pulling; The back side of brake block then forms the two stopper portions that are provided with and can be for pulled by the pull headgear top of device of elastic top;

By said structure, can form the direction control structure with practicality of another different structure, have that structure is fully firm, controlling party to very convenient, can not produce conflict in the use, and use very accurate, more be suitable for practical ratchet tool direction control structure, and become a kind of new design that quite has practicality and progressive, be suitable for the industrial circle wide popularization and application.

Background technology

For popular widely-used now, it is quite convenient in the use for existing general ratchet screw or ratchet tool, and torque value also can reach the level that requires of industry use along with scientific and technological progress.

Yet along with the change of consumer spending custom, even a lot of thing instrument is required that all different types and outward appearance will be arranged, same, the direction control structure of ratchet screw also is constantly to change and to develop, and just can meet the requirement of modern consumer now.

The current existing common ratchet screw or the direction control structure of ratchet tool, as No. 386476 " ratchet spanner structure-improved " (seeing annex one bulletin text for details) of Taiwan patent announcement, No. 422158 " the combined type reversing ratchet wrench structural improvement of high torsion " (seeing annex two bulletin texts for details) of Taiwan patent announcement, No. 382298 " switching construction that turns to of ratchet spanner is improved " (seeing annex three bulletin texts for details) of Taiwan patent announcement, No. 408653 " ratchet-driven tool (one) " (seeing annex four bulletin texts for details) of Taiwan patent announcement, Taiwan patent announcement No. 399510 " a kind of ratchet spanner switching button structure improvement " (seeing annex five bulletin texts for details).The content of above-mentioned each patent all is the different structure-improveds of relevant direction control structure, it serves to show that industry is all developing towards these direction research and development.

Above-mentioned is the direction control structure of general existing ratchet, though it can provide effect that user one has the reversing ratchet wrench structure, really has progressive, but when using, reality but finds also to have in its structure controlling party to defective inconvenient and that conflict is arranged in the use, requirement apart from the user still has certain distance, the direction control structure that causes this ratchet fails to reach best result of use in practical application.This shows that the direction control structure of above-mentioned existing ratchet is still demanded urgently further being improved.

In order further to improve the direction control structure of ratchet, relevant manufacturer there's no one who doesn't or isn't seeks the road that solves painstakingly, but does not see always that for a long time suitable design finished by development, and this obviously is the problem that the anxious desire of relevant dealer solves.

The applicant also is the leading industry of instrument circle, naturally also at the row of being devoted to make great efforts improvement, therefore because the problem that the direction control structure of above-mentioned existing ratchet exists, the design people is based on being engaged in this type of product design manufacturing abundant for many years practical experience and professional knowledge, actively studied innovation, in the hope of founding a kind of direction control structure of new and improved ratchet, can improve the direction control structure of general existing on the market conventional ratchet, make it have more practicality.Through constantly research, design, and after studying sample and improvement repeatedly, create the present invention who has practical value finally.

Summary of the invention

Main purpose of the present invention is, overcome the defective of the ratchet spanner existence of existing improvement, and provide a kind of ratchet spanner (two) of improvement, technical problem underlying to be solved is to make it can improve general existing control of commonly using the ratchet tool existence has conflict in inconvenient or use drawback, and provide that a kind of structure is fully firm, controlling party to very convenient, can not produce conflict in the use, and use very accurate, more be suitable for practical ratchet tool direction control structure, and quite have industrial utilization.

Another object of the present invention is to, a kind of ratchet spanner of improvement is provided, technical problem to be solved is to make its control structure convenient in assembling, more can meet design concept, be suitable for practicality more, and can increase economic efficiency, thereby have the effect of enhancement on the whole, and have the value on the industry.

Purpose of the present invention and to solve its technical problem underlying be to adopt following technical scheme to realize.The ratchet spanner of a kind of improvement that proposes according to the present invention, it mainly comprises a wrench body, ratchet-gear wheel, a brake block and a direction control structure, wherein: a head of this wrench body is provided with an accommodation chamber, side formation at this accommodation chamber is provided with a brake groove, also be provided with a control in addition to groove, and this control is set to form the connectivity structure state between groove and brake groove, this control is to groove, its back forms and is provided with a left side, the right hole slot of pulling that pushes up, and be equipped with ratchet-gear wheel and brake block in this accommodation chamber and the brake groove respectively in it, and this ratchet-gear wheel and brake block are the joggled structure state; It is characterized in that: above-mentioned direction control structure is placed in control in groove, this direction control structure comprises that a control is to piece and the elastic top device of pulling, wherein: this control is provided with a locating slot and a containing hole to piece, this locating slot is provided with ccontaining the establishing into forming in it of a cover plate and makes elastic top the pull structure of brake block of device top of pulling, and reach the location top effect of hole slot of pulling, and be equipped with the above-mentioned elastic top device of pulling in this containing hole; Above-mentioned brake block, its back side then form the two stopper portions that are provided with, and this two stoppers portion and the above-mentioned elastic top device of pulling is mutually the top structure of pulling, and pulled by this elastic top device top of pulling, and can reach every effect of the present invention by said structure.

Purpose of the present invention and technical solution problem also can adopt following technical measures further to realize.

The ratchet spanner of aforesaid improvement, the wherein said elastic top device of pulling comprises a steel ball, spring and a headgear, and this headgear is set to the top brake block of pulling, and this steel ball is set to push up and pulls in control on hole slot is pulled on top about groove.

The ratchet spanner of aforesaid improvement, wherein said cover plate is provided with a location division and cap, and this cap forms can press the structure of headgear in containing hole, and this location division then is inserted into control in the locating slot of piece.

The ratchet spanner of aforesaid improvement, wherein said control forms to the both sides, top of piece and is provided with a pulling part, and form the structure that this control is pulled easily or moved to the left and right sides of groove in control to piece, move to the left and right sides of groove in control to piece and be available for users to pull easily or move this control.

The present invention compared with prior art has tangible advantage and beneficial effect.By above technical scheme as can be known, the invention relates to a kind of ratchet spanner of improvement, it mainly comprises a wrench body, ratchet-gear wheel, brake block and a direction control structure, wherein, one head of this wrench body is provided with an accommodation chamber, the side of accommodation chamber and formation are provided with a brake groove, in addition and be provided with one the control to groove, and between groove and brake groove, form a connected state in this control, and this accommodation chamber and brake groove can be placed in it for ratchet-gear wheel and brake block respectively, and make it be engagement, this control to the groove back and form be provided with about the top hole slot of pulling; And should control to groove and ccontaining for direction control structure, and this control forms in groove and is provided with one and pushes up the hole slot of pulling, this top hole slot of pulling is to supply a steel ball and spring ccontaining, and makes this steel ball energy elastic top direction control structure of pulling; This direction control structure also includes a control to a piece and an elastic component, this control is to piece and be provided with a locating slot, and its back forms and is provided with two top supporting parts, and this locating slot is for elastic component location, and this elastic component and comprise two the top pull the end and an axial region, this axial region can be positioned the elastic component setting in the locating slot for certain hyte part, the back side of brake block then forms the two stopper portions that are provided with and can pull for two tops of elastic component and hold the top to pull, so can reach structure is provided with firm fully, and use service efficiency accurately, quite have the value of industry really.

The present invention does not have the existing defective of direction control structure of existing ratchet in use fully, and can be so that structure of the present invention more firmly reaches changeableization, therefore can reach suitable practicality, and have the extensive value on the industry, specify advantage of the present invention as follows now:

1, the direction control structure of the ratchet of the present invention improvement can make control to ratchet tool reach really can conveniently control to structure and effect.

2, the present invention is when the generation part need be changed, cover plate can be taken away in advance, so can easily elastic top be pulled every member of device or steel ball, still spring is replaced, and can exempt the existing drawback of commonly using product can't simple and easy replacement.

3, the present invention utilizes the cover plate device of elastic top can being pulled firmly to be fixedly installed in the containing hole, and reaches the effect of splendid strong fix.

4, in addition, by the present invention, can also make it more simple and easy and convenient in assembling, thereby can increase work efficiency greatly.

5, the present invention can reach the effect in the practicality really, and is not only easy to use, do not need miscellaneous formality, and the processing of structure formation is easy especially, meets cost benefit, and has the value on the industry really, is suitable for industrial circle and extensively promotes the use of.

6, the present invention is on the practicality and cost benefit of structural design, use, really meet industry development fully and the user is required, and disclosed structure is unprecedented innovative design, it had not both seen any publication, do not see more that before application that identical architectural feature is arranged is known, formerly public, and also not seeing on the market has similar products like, promptly there is no similar structural design and publish or use in like product, and had novelty really.

7, structure of the present invention really has more technological progress than the direction control structure of existing ratchet, and its particular structure feature and function also are far from existing direction control structure and can compare, more existing direction control structure has more technical progress, and have the multinomial effect of enhancement, and creative really.

8, this case applicant is the company that all kinds of instruments are made in actual production, and enjoy nearly more than 300 achievement of domestic and international patent, it also is the leading enterprise of instrument circle, the experience of existing ten several years of this series products of development in Drawing upon, quite understand for existing problem of the direction control structure of existing ratchet and defective, and the present invention promptly founds according to above-mentioned Study of Defects exploitation, it can reach its intended purposes and effect really, not only on the space structure kenel, really belong to innovation, and more existing direction control structure has suitable enhancement effect really, and existing known product has more technological progress and practicality, and produced handy and practical good effect, and have practicality really.

In sum, the ratchet spanner of the improvement of special construction of the present invention, can improve general existing control of commonly using the ratchet tool existence has the drawback of conflict in inconvenient or use, and have that structure is fully firm, controlling party to very convenient, can not produce conflict in the use, and use effect very accurately, its control structure is very convenient in assembling in addition, more meet design concept, be suitable for practicality more, and can increase economic efficiency, thereby have the effect of enhancement on the whole, and have the value on the industry.It has above-mentioned many advantages and practical value, is very suitable for the user and uses, and have the extensive value of industry.No matter it structurally or bigger improvement is all arranged on the function, and have large improvement technically, and produced handy and practical effect, and have the effect of enhancement really, thereby be suitable for practicality more, really is a new and innovative, progressive, practical new design.

The specific embodiment of the present invention is provided in detail by following examples and accompanying drawing thereof.

Description of drawings

Fig. 1 is the exploded perspective schematic diagram of the direction control structure of the ratchet improved of the present invention.

Fig. 2 is the structural profile schematic diagram that the control of the direction control structure of the ratchet improved of the present invention moves to right to piece.

Fig. 3 is the structural profile schematic diagram that the control of the direction control structure of the ratchet improved of the present invention moves to left to piece.

Fig. 4 is the side generalized section of the direction control structure of the ratchet improved of the present invention.

Fig. 5 is the stereoscopic schematic diagram of the direction control structure of the ratchet improved of the present invention.

10--wrench body 11--accommodation chamber 12--brake groove

The 13--control is to groove 15--steel ball 16--spring

17--headgear 20--ratchet-gear wheel 30--brake block

40--direction control structure 50--control is to piece 51--locating slot

The 52--containing hole 53--pulling part 60--elastic top device of pulling

70--cover plate 71--location division 72--cap

141-pushes up the hole slot of pulling in the right hole slot 142-left side of pulling of pushing up

The 311-stopper 312-of portion stopper portion

The specific embodiment

Below in conjunction with accompanying drawing and preferred embodiment, its specific embodiment of direction control structure, structure, feature and the effect thereof of the ratchet of the improvement that foundation the present invention is proposed, describe in detail as after.

See also Fig. 1, shown in Figure 2, the ratchet spanner of the present invention's improvement mainly comprises a wrench body 10, ratchet-gear wheel 20, brake block 30 and a direction control structure 40, wherein:

This wrench body 10, its head is provided with an accommodation chamber 11, the side of this accommodation chamber 11 and formation are provided with a brake groove 12, in addition and be provided with one the control to groove 13, and this control is provided with between groove 13 and brake groove 12 and forms connected state, and this accommodation chamber 11 and brake groove 12 be for can being provided with ratchet-gear wheel 20 respectively and brake block 30 is placed in it, and this ratchet-gear wheel 20 and brake block 30 are for being the joggled structure state;

This control is in groove 13 and be installed with direction control structure 40, present invention be primarily characterized in that:

Above-mentioned control is to groove 13, and its back forms and is provided with the left and right top hole slot 142,141 of pulling;

Above-mentioned direction control structure 40, it comprises that a control is to piece 50 and the elastic top device 60 of pulling, wherein:

This elastic top device 60 of pulling, and comprise a steel ball 15, spring 16 and a headgear 17;

This control is to piece 50, be provided with a containing hole 52, be equipped with the above-mentioned elastic top device 60 of pulling in this containing hole 52, promptly this containing hole 52 can supply headgear 177, spring 16 and steel ball 15 to receive in it, and this steel ball 15 can be pushed up pull in hole slot 142,141 is pulled on left and right top; The back side of brake block 30 then forms the two stopper portions 311,312 that are provided with, and this two stoppers portion 311,312 pushes up mutually with the headgear of pulling in spring 16 tops 17 and pulls, and pulls in headgear 17 tops that pulled by spring 16 tops.

Please cooperate again consult shown in Figure 2, in order to make pull device 60 or headgear 17 of elastic top can effectively be positioned in the containing hole 52, the present invention can be provided with a cover plate 70 again, this cover plate 70 also is provided with a location division 71 and cap 72, this cap 72 forms can be in order to press the structure of elasticity headgear 17 in containing hole 52,71 of this location divisions are inserted into control in the locating slot 51 that piece 50 is established in addition, so can utilize this cover plate 70 will press elasticity headgear 17, and make in its two stopper portions 311,312 that can push up the brake block 30 of pulling in containing hole 52;

And this control can form to the both sides, top of piece 50 and be provided with a pulling part 53, moves to the left and right sides of groove 13 in control to piece 50 and be available for users to pull easily or move control.

Please cooperate and consult Fig. 2, shown in Figure 4, the present invention in use, because brake block 30 is meshed with ratchet-gear wheel 20, and the stopper portion 311,312 at brake block 30 backs also is subjected to the pull headgear 17 of device 60 of elastic top to push up and pull, and owing to pull and are located in containing hole 52 in the spring 16 of this elasticity headgear 17 and top that steel ball 15 also is subjected to cover plate 70) in ccontaining effect and can be positioned reliably in the containing hole 52, therefore will control to pull and be displaced into control to groove 1 to piece 50 as the user

During 3 right side, can cause elastic top the moving to right of device 60 of pulling simultaneously, this elastic top device 60 of pulling can be pulled in the right side of brake block 30 stopper portion 311 on the top, so can make the stopper portion 311 on brake block 30 right sides bestow bigger top and pull power on ratchet-gear wheel 20, and can make this ratchet-gear wheel 20 can only do clockwise rotation;

Similarly, please cooperate again and consult Fig. 3 and shown in Figure 4, to control to piece 50 as the user and to pull when being displaced into control to the left side of groove 13, can cause elastic top the moving to left of device 60 of pulling simultaneously, so make this stopper portion 312 of pulling portion's piece 30 left sides bestow bigger top and pull power on ratchet-gear wheel 20, and making this ratchet-gear wheel 20 can only do counterclockwise rotation, its overall structure is as shown in Figure 5.

In when, part taking place need be changed when, cover plate 70 can be taken away in advance, the every member or the steel ball 15 of the device 60 of so just can easily elastic top being pulled still be that spring 16 is replaced, and commonly use the drawback that product can't simple and easy replacement and can exempt having now.Utilize this cover plate 70 in addition, the device 60 of elastic top can being pulled firmly is fixed in the containing hole 52, and can reach splendid locating effect.

The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, any personnel that are familiar with this technology may utilize the technology contents of above-mentioned announcement to be changed or be modified to the equivalent embodiment of equivalent variations, every technical solution of the present invention content that do not break away from,, all still belong in the scope of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment did according to the technology of the present invention essence.

Claims

1, a kind of ratchet spanner of improvement, mainly comprise a wrench body, ratchet-gear wheel, brake block and a direction control structure, wherein: a head of this wrench body is provided with an accommodation chamber, side formation at this accommodation chamber is provided with a brake groove, also be provided with a control in addition to groove, and this control is set to form the connectivity structure state between groove and brake groove, this control is to groove, its back forms and is provided with the left and right top hole slot of pulling, and be equipped with ratchet-gear wheel and brake block in this accommodation chamber and the brake groove respectively in it, and this ratchet-gear wheel and brake block are the joggled structure state;

It is characterized in that:

Above-mentioned direction control structure is placed in control in groove, this direction control structure comprises that a control is to piece and the elastic top device of pulling, wherein: this control is provided with a locating slot and a containing hole to piece, this locating slot is provided with ccontaining the establishing into forming in it of a cover plate and makes the elastic top device top structure of brake block of pulling of pulling, and is equipped with the above-mentioned elastic top device of pulling in this containing hole;

Above-mentioned brake block, its back side then form the two stopper portions that are provided with, and this two stoppers portion and the above-mentioned elastic top device of pulling is mutually the top structure of pulling, and pulled by this elastic top device top of pulling.

2, the ratchet spanner of improvement according to claim 1, it is characterized in that the wherein said elastic top device of pulling comprises a steel ball, spring and a headgear, this headgear is set to the top brake block of pulling, and this steel ball is set to push up and pulls in control on hole slot is pulled on top about groove.

3, the ratchet spanner of improvement according to claim 2 is characterized in that wherein said cover plate is provided with a location division and cap, and this cap forms can press the structure of headgear in containing hole, and this location division then is inserted into control in the locating slot of piece.

4, the ratchet spanner of improvement according to claim 1 is characterized in that wherein said control is provided with a pulling part to the formation of the both sides, top of piece, forms the structure that this control is pulled easily or moved to the left and right sides of groove in control to piece.