CN2562927Y

CN2562927Y - Improved ratchet direction control structure

Info

Publication number: CN2562927Y
Application number: CN 02240326
Authority: CN
Inventors: 谢智庆
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-07-10
Filing date: 2002-07-10
Publication date: 2003-07-30
Anticipated expiration: 2012-07-10

Abstract

The utility model relates to an improved ratchet direction control structure. One end of the spanner is provided with a receiving chamber; one side of the receiving chamber is provided with a pawl groove and a direction control groove which are communicated with each other; the receiving chamber and the pawl groove are used for receiving a ratchet gear wheel and a pawl block and are meshed with each other; the direction control groove is used for receiving a direction control structure; inside the direction control groove is provided with a support pawl hole slot which is for receiving steel beams and springs; the steel beams elastically support and pawl the direction control structure; the direction control structure comprises a direction control block and an elastic piece; the direction control block is provided with a retaining nest and two support pawl parts are arranged on the back of the direction control block; the retaining nest is for positioning the elastic piece; the elastic piece comprises two support pawl ends and an axle part; the axle part is for a positioning component positioning the elastic piece in the retaining nest; the two support pawl parts of the back of the pawl block are used to be supported and pawled by the two support pawl ends of the elastic piece. The utility model has stable structure, convenient direction control, no conflict in operation, effect of precise use, and more industry utility value.

Description

The direction control structure of the ratchet of improvement

Technical field

The utility model 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 relates to a kind of direction control structure (two) of ratchet of improvement.

The direction control structure (two) of the ratchet of the utility model 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, and comprise that a control is to piece and the elastic top device of pulling, pull device and comprise a steel ball, spring and a headgear of this elastic top, 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, the 40865 No. 3 " 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 utility model that has practical value finally.

The utility model content

Main purpose of the present utility model is, overcome the defective that the direction control structure of the ratchet of existing improvement exists, and provide a kind of direction control structure (two) of ratchet 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 purpose of the present utility model is, a kind of direction control structure of ratchet 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.

The purpose of this utility model and to solve its technical problem underlying be to adopt following technical scheme to realize.The direction control structure of the ratchet of a kind of improvement that foundation the utility model proposes, it mainly comprises 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, 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 this control is set to form the connectivity structure state between groove and brake groove, 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 for being the joggled structure state; It is characterized in that: above-mentioned control is to groove, and its back forms and is provided with the left and right top hole slot of pulling; Above-mentioned direction control structure, comprise 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 the location in it of a cover plate and pushes up the hole slot structure 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 utility model by said structure.

The purpose of this utility model and technical solution problem also can adopt following technical measures further to realize.

Pull device and comprise a steel ball, spring and a headgear of the direction control structure of the ratchet of aforesaid improvement, wherein said elastic top, this headgear are set to the top brake block of pulling, and this steel ball is set to push up the hole slot of pulling on control top to about groove of pulling.

The direction control structure of the ratchet of aforesaid improvement, the wherein said elastic top device of pulling can be provided with a cover plate again, this cover plate also is provided with a location division and cap, this cap formation can press elastic head and be placed in the interior structure of containing hole, this location division then is inserted into control in the locating slot that piece is established in addition, so can utilize this cover plate to be sheathed on containing hole with pressing elastic head, and make in its two stopper portions that can push up the brake block of pulling, formation presses the more effective setting of elastic component and is positioned the interior structure of locating slot.

The direction control structure of the ratchet of aforesaid improvement, wherein said control can form to the both sides, top of piece and be 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 utility model compared with prior art has tangible advantage and beneficial effect.By above technical scheme as can be known, the utility model is the direction control structure about a kind of ratchet 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 utility model does not have the existing defective of direction control structure of existing ratchet in use fully, and can be so that the utility model structure more firmly reaches changeableization, therefore can reach suitable practicality, and have extensive value on the industry, specify advantage of the present utility model as follows now:

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

2, the utility model 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 utility model 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 utility model, can also make it more simple and easy and convenient in assembling, thereby can increase work efficiency greatly.

5, the utility model 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 utility model 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 utility model 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 utility model is promptly founded 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 direction control structure of the ratchet of the improvement of the utility model special construction, 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 utility model is provided in detail by following examples and accompanying drawing thereof.

Description of drawings

Fig. 1 is the exploded perspective schematic diagram of direction control structure of the ratchet of the utility model improvement.

Fig. 2 is the structural profile schematic diagram that the control of direction control structure of the ratchet of the utility model improvement moves to right to piece.

Fig. 3 is the structural profile schematic diagram that the control of direction control structure of the ratchet of the utility model improvement moves to left to piece.

Fig. 4 is the side generalized section of direction control structure of the ratchet of the utility model improvement.

Fig. 5 is the stereoscopic schematic diagram of direction control structure of the ratchet of the utility model improvement.

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, to its specific embodiment of direction control structure, structure, feature and effect thereof according to the ratchet of the improvement that the utility model proposes, describe in detail as after.

See also Fig. 1, shown in Figure 2, the direction control structure of the ratchet of the utility model 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), 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), and the utility model principal character is:

Above-mentioned control is to groove (13), and its back forms and is provided with left and right top pull hole slot (142), (141);

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 (17), 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) are pulled in left and right top; The back side of brake block (30) then forms and is provided with two stopper portions (311), (312), and this two stoppers portion (311), (312) and the headgear of pulling in spring (16) top (17) push up mutually pulls, and pulls in headgear (17) top that pulled by spring (16) top.

Please cooperate again consult shown in Figure 2, for pull device (60) or headgear (17) of elastic top can effectively be positioned in the containing hole (52), the utility model 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), this location division (71) then is 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 it can push up two stopper portions (311) of the brake block of pulling (30) in containing hole (52), (312) on;

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 utility model in use, because brake block (30) is meshed with ratchet-gear wheel (20), and the stopper portion (311) at brake block (30) back, (312) also be 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 the ccontaining effect in the containing hole (52) and can be positioned in the containing hole (52) reliably in the spring (16) of this elasticity headgear (17) and top that steel ball (15) also is subjected to cover plate (70), therefore will control to piece (50) as the user and pull when being displaced into control to the right side of groove (13), 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 side 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 side 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.

When the generation part need be changed, cover plate (70) can be taken away in advance, so just, can easily elastic top be pulled every member of device (60) or steel ball (15) still spring (16) replaced, and can exempt the existing drawback of commonly using product can't simple and easy replacement.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 the utility model preferred embodiment, be not that the utility model 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 solutions of the utility model content that do not break away from,, all still belong in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did according to the utility model technical spirit.

Claims

1, a kind of direction control structure of ratchet 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, 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 this control is set to form the connectivity structure state between groove and brake groove, 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 for being the joggled structure state;

It is characterized in that:

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

Above-mentioned direction control structure, comprise 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, and this locating slot is provided with that a cover plate is ccontaining to be established into forming top, the location hole slot structure of pulling in it, 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 direction control structure of the ratchet of improvement according to claim 1, it is characterized in that pull device and comprise a steel ball, spring and a headgear of wherein said elastic top, this headgear is set to the top brake block of pulling, and this steel ball is set to push up the hole slot of pulling on control top to about groove of pulling.

3, the direction control structure of the ratchet of improvement according to claim 1, it is characterized in that the wherein said elastic top device of pulling can be provided with a cover plate again, this cover plate also is provided with a location division and cap, this cap formation can press elastic head and be placed in the interior structure of containing hole, this location division then is inserted into control in the locating slot that piece is established in addition, this cover plate will press elastic head and be sheathed on containing hole, and pulled in the two stopper portions of brake block in its top, form and press the more effective setting of elastic component and be positioned structure in the locating slot.

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