CN101564833A - Reversing structure of ratchet spanner - Google Patents
Reversing structure of ratchet spanner Download PDFInfo
- Publication number
- CN101564833A CN101564833A CNA2008100528604A CN200810052860A CN101564833A CN 101564833 A CN101564833 A CN 101564833A CN A2008100528604 A CNA2008100528604 A CN A2008100528604A CN 200810052860 A CN200810052860 A CN 200810052860A CN 101564833 A CN101564833 A CN 101564833A
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- ratchet
- head
- recess
- base
- stop
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Abstract
The invention relates to a reversing structure of a ratchet spanner, which comprises a head part positioned at one end of the ratchet spanner, wherein the head part is internally provided with a ratchet seat, the ratchet seat is provided with a reversing switch, a groove of the ratchet seat is internally provided with a ratchet block, the outer edge of the ratchet block is meshed with an annular tooth part of the head part, the ratchet block is provided with a concave part which can accommodate a couple axle of the reversing switch, and a top supporting piece of the reversing switch can support the ratchet block into the concave part so as to lead the ratchet block to slide left and right in the groove when the reversing switch is spanned.
Description
Technical field
The present invention relates to a kind of ratchet spanner structure, relate in particular to the commutating structure of the convertible rotation direction of a kind of ratchet spanner.
Background technology
As shown in Figure 5, be existing ratchet spanner structure, as seen from the figure, head 80 contents of spanner 8 be provided with head 80 in the ratchet piece 82 of circular tooth part 81 engagements, this ratchet piece 82 is shored by a top bracing member 83 in head 80 and is in the stopper position.Yet, seen in figure, for this ratchet piece 82 can be located in the head 80, so the design of head 80 must have an accommodation space 84 that can supply ratchet piece 82 and other element to insert, so the head 80 of existing ratchet spanner must have certain specification usually, can be located in wherein for this ratchet piece 82.
As Fig. 6 and shown in Figure 7, be another existing ratchet spanner structure, it has a head 90 in spanner 9 one ends, in head 90, has circular tooth part 91, and in head 90, be installed with a ratchet base 92,90 on ratchet base 92 and this head form an accommodation space 93, be installed with a ratchet piece 94 in this accommodation space 93, and be provided with the reversing switch 95 of a conversion ratchet base 92 rotation directions in head 90, be connected an elastic component 96 between this reversing switch 95 and this ratchet piece 94, pull the stopper direction of this ratchet piece 94 of back conversion and shore the location for this reversing switch 95, this ratchet base 92 is to be positioned in the head 90 with a clasp 97 respectively in head 90 both sides.As seen from Figure 7; why the tooth portion 941 of this ratchet piece 94 can stay on the circular tooth part 91 of head 90, is to support by this elastic component 96, yet; elastic component 96 has the problem generation of elastic fatigue after using a period of time usually, and then the action of ratchet piece 94 in head 90 had some setbacks.
Therefore, the ratchet piece 82 that how to solve existing ratchet spanner 8 takes up space in head 80, and the problem that can improve the ratchet piece 94 stopper intensity that have ratchet spanner 9 now is the emphasis place of institute of the present invention desire solution.
Summary of the invention
Technical problem underlying to be solved by this invention is, overcomes the above-mentioned defective that prior art exists, and a kind of commutating structure of ratchet spanner is provided, and has preferable intensity, not the problem that can cause the action of ratchet piece to have some setbacks because of this elastic component elastic fatigue.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of commutating structure of ratchet spanner is characterized in that, comprising: one is positioned at the head of spanner one end, and this head runs through in two sides and forms a through hole, and head is provided with a circular tooth part with respect to the ring edge of through hole; One ratchet base is to wear and be positioned in the through hole of this head, and the ring side between the ratchet base two ends is arranged with a groove, and this ratchet base one end inwardly penetrates a perforation that is communicated with this groove by the center, and the other end is then stretched and established one for the socket part that combines with passive device; One reversing switch has a pulling part, extends a couple axle in this pulling part, and this couple axle is to be arranged in the perforation of this ratchet base, and is provided with the top bracing member of an outside pushing tow during in normality with respect to the groove location of ratchet base in couple axle; One ratchet piece, be in the groove of being located in the ratchet base, this ratchet piece has the ratchet of at least one relative engagement with this circular tooth part when moving in outer rim, and has a recess in the ratchet piece, this recess couple axle for this reversing switch in ratchet base is ccontaining, the ratchet piece has a stop section respectively with respect to the both sides of recess, and the recess that the front end that has this top bracing member of confession in contiguous respectively this stop section of recess respectively is absorbed in the location, the top bracing member of this reversing switch is stopped and slippage between two recess by two stop sections when pulling reversing switch.
The commutating structure of aforesaid ratchet spanner, the head circular rabbet coaxial that set to the concave in a side wherein with this circular tooth part, the aperture of this circular rabbet also is concaved with one first annular groove greater than this circular tooth part in this circular rabbet, and head is established the stop part of an endoporus less than circular tooth part in the another side ring; This ratchet base is subjected to the stop part block in the end ring footpath that the socket part is set in head greater than this stop part, the other end is provided with an extension outward in horizontal direction, be arranged with one second annular groove in this extension, one clasp is arranged in first annular groove and second annular groove when this ratchet base is inserted in the head, this ratchet base borrows this stop part to stop that this ratchet base one end is in head, in ratchet base in addition end be positioned in first annular groove and second annular groove with clasp, make in the limited through hole that is positioned head of ratchet base.
The commutating structure of aforesaid ratchet spanner, wherein the recess of ratchet wheel block slightly becomes the ㄇ font, the ratchet piece is the both sides of being located at slightly to become this ratchet piece adjacent corners place of ㄇ font respectively with respect to two stop sections of recess setting, form a cambered surface of leading for this top bracing member slippage between two stop sections, this two recess is to be positioned at these ratchet piece two corners of ㄇ font and to be connected corresponding stop section and this leads cambered surface.
The commutating structure of aforesaid ratchet spanner, wherein couple axle is provided with an axis hole with respect to the groove location of this ratchet base, and is provided with a flexible member between top bracing member and axis hole.
The commutating structure of aforesaid ratchet spanner wherein also is provided with a ball between flexible member and axis hole.
The invention has the beneficial effects as follows to have preferable intensity, not the problem that can cause ratchet piece action to have some setbacks because of this elastic component elastic fatigue.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is a perspective exploded view of the present invention
Fig. 2 is first head section of the present invention and user mode schematic diagram
Fig. 3 is second head section of the present invention and user mode schematic diagram
Fig. 4 is the generalized section of head of the present invention in another visual angle
Fig. 5 is the planar structure profile of existing ratchet spanner
Fig. 6 is the perspective exploded view of existing another ratchet spanner
Fig. 7 is the planar structure profile of existing ratchet spanner shown in Figure 6
The specific embodiment
See also Fig. 1 to Fig. 4, be the selected example structure of the present invention shown in the figure.
Present embodiment provides a kind of commutating structure of ratchet spanner, and it comprises:
One head 11, it is an end that is positioned at spanner 1, and this head 11 runs through in two sides and forms a through hole 12, and head 11 is provided with a circular tooth part 13 with respect to the ring edge of through hole 12.In the present embodiment, this head 11 circular rabbet 14 coaxial that set to the concave in a side with this circular tooth part 13, the aperture of this circular rabbet 14 is greater than this circular tooth part 13, also be concaved with one first annular groove 141 in this circular rabbet 14, and head 11 is established the stop part 15 of an endoporus less than circular tooth part in the another side ring.
One ratchet base 2, it is to wear and be positioned in the through hole 12 of this head 1, ring side between ratchet base 2 two ends is arranged with a groove 21, these ratchet base 21 1 ends are inwardly penetrated the perforation 22 of this groove 21 of connection by the center, the other end is then stretched and is established a socket part 23, (passive device described herein does not see among the figure for combining with passive device in this socket part 23, it is meant the element that is locked indirectly or directly lock, for example must be in the socket part 23 hexagon socket head cap screws of socket sleeve institute turns in addition, perhaps can directly utilize socket part 23 and other element of turn etc.).In the present embodiment, this ratchet base 2 is subjected to stop part 15 blocks in the end ring footpath that socket part 23 is set in head 11 greater than this stop part 15, the other end is provided with an extension 25 outward in horizontal direction, be arranged with one second annular groove 251 in this extension 25, one clasp 3 is arranged in first annular groove 141 and second annular groove 251 when this ratchet base 2 is inserted in the head 11, this ratchet base 2 borrows this stop part 15 to stop that these ratchet base 2 one ends are in head 11, in ratchet base 2 in addition end be positioned in first annular groove 141 and second annular groove 251 with clasp 3, make in the limited through hole 12 that is positioned head 11 of ratchet base 2.
One reversing switch 4, it has a pulling part 41, this pulling part 41 extends a couple axle 42, and this couple axle 42 is to be arranged in the perforation 22 of this ratchet base 2, and is provided with the top bracing member 43 of an outside pushing tow during in normality with respect to groove 21 positions of ratchet base 2 in couple axle 42.In the present embodiment, this couple axle 42 is provided with an axis hole 421 with respect to groove 21 positions of this ratchet base 2, and is provided with a flexible member 44 in top bracing member 43 and 421 of axis holes, and 421 of this flexible member 44 and axis holes also are provided with a ball 45.
One ratchet piece 5, be in the groove of being located in the ratchet base 2 21, ratchet piece 5 in outer rim have at least one in when action the ratchet 51 with these circular tooth part 13 relative engagements, and has a recess 52 in the ratchet piece 5, this recess 52 couple axle 42 for this reversing switch 4 in ratchet base 2 is ccontaining, ratchet piece 5 has a stop section 521 respectively with respect to the both sides of recess 52, and the recess 522 that the front end that has this top bracing member 43 of confession in recess 52 contiguous respectively these stop sections 521 respectively is absorbed in the location, the top bracing member 43 of this reversing switch 4 is stopped by two stop sections 521 and in 522 slippages of two recess when pulling reversing switch 4.In the present embodiment, the recess 52 of this ratchet piece 5 slightly becomes the ㄇ font, ratchet piece 5 is both sides of being located at the adjacent corners place respectively with respect to two stop sections 521 that recess 52 is provided with, in two stop sections 521 form one for these top bracing member 43 slippages lead cambered surface 523, this two recess 522 is positioned at these ratchet piece 5 two corners of ㄇ font and is connected corresponding stop section 521 and leads cambered surface 523 with this.
By above-mentioned structure as seen, one of the object of the invention is, the couple axle 42 of this reversing switch 4 is arranged in the perforation 22 of ratchet base 2, in ratchet piece 5 is inserted head 11 and when being positioned at the groove 21 of ratchet base 2, the recess 52 of ratchet piece 5 can be installed with for the couple axle 42 of reversing switch 4, therefore, head 11 is when being installed with ratchet piece 5, can reduce the distance of 5 of couple axle 42 and this ratchet pieces, supply the accommodation space of ccontaining element in relative the reduced head 11, therefore, can save the space compared to existing ratchet spanner, making head 11 of the present invention can be little with respect to existing head in design.
In addition, two of the object of the invention is, this ratchet piece 5 is shored by the top bracing member 43 of this reversing switch 4 in the groove 21 of this ratchet base 2, therefore can mesh with the circular tooth part 13 of this head 11, and can turn to the stopper direction by pulling this reversing switch 4, directly utilize the top bracing member 43 of reversing switch 4 to pull whereby with these ratchet piece 5 relative tops, therefore can not cause as existing ratchet wrench to utilize elastic component for its ratchet piece of stopper again, therefore the more existing ratchet spanner of ratchet spanner of the present invention has preferable stopper intensity, can not cause as elastic component fatigue and cause ratchet piece 5 mobile situation that has some setbacks in head 11 to produce.
Claims (5)
1. the commutating structure of a ratchet spanner is characterized in that, comprising:
One is positioned at the head of spanner one end, and this head runs through in two sides and forms a through hole, and head is provided with a circular tooth part with respect to the ring edge of through hole;
One ratchet base is to wear and be positioned in the through hole of this head, and the ring side between the ratchet base two ends is arranged with a groove, and this ratchet base one end inwardly penetrates a perforation that is communicated with this groove by the center, and the other end is then stretched and established one for the socket part that combines with passive device;
One reversing switch has a pulling part, and this pulling part extends a couple axle, and this couple axle is to be arranged in the perforation of this ratchet base, and is provided with the top bracing member of an outside pushing tow during in normality with respect to the groove location of ratchet base in couple axle;
One ratchet piece, be in the groove of being located in the ratchet base, this ratchet piece has the ratchet of at least one relative engagement with this circular tooth part when moving in outer rim, and has a recess in the ratchet piece, this recess couple axle for this reversing switch in ratchet base is ccontaining, the ratchet piece has a stop section respectively with respect to the both sides of recess, and the recess that the front end that has this top bracing member of confession in contiguous respectively this stop section of recess respectively is absorbed in the location, the top bracing member of this reversing switch is stopped and slippage between two recess by two stop sections when pulling reversing switch.
2. the commutating structure of ratchet spanner according to claim 1, it is characterized in that: the described head circular rabbet coaxial that set to the concave in a side with this circular tooth part, the aperture of this circular rabbet is greater than this circular tooth part, this circular rabbet also is concaved with one first annular groove, and head is established the stop part of an endoporus less than circular tooth part in the another side ring; This ratchet base is subjected to the stop part block in the end ring footpath that the socket part is set in head greater than this stop part, the other end is provided with an extension outward in horizontal direction, be arranged with one second annular groove in this extension, one clasp is arranged in first annular groove and second annular groove when this ratchet base is inserted in the head, this ratchet base borrows this stop part to stop that this ratchet base one end is in head, in ratchet base in addition end be positioned in first annular groove and second annular groove with clasp, make in the limited through hole that is positioned head of ratchet base.
3. the commutating structure of ratchet spanner according to claim 1, it is characterized in that: the recess of described ratchet wheel block slightly becomes the ㄇ font, the ratchet piece is the both sides of being located at slightly to become this ratchet piece adjacent corners place of ㄇ font respectively with respect to two stop sections of recess setting, form a cambered surface of leading for this top bracing member slippage between two stop sections, this two recess is to be positioned at these ratchet piece two corners of ㄇ font and to be connected corresponding stop section and this leads cambered surface.
4. the commutating structure of ratchet spanner according to claim 1, it is characterized in that: described couple axle is provided with an axis hole with respect to the groove location of this ratchet base, and is provided with a flexible member between top bracing member and axis hole.
5. the commutating structure of ratchet spanner according to claim 4 is characterized in that: also be provided with a ball between described flexible member and axis hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100528604A CN101564833A (en) | 2008-04-23 | 2008-04-23 | Reversing structure of ratchet spanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100528604A CN101564833A (en) | 2008-04-23 | 2008-04-23 | Reversing structure of ratchet spanner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101564833A true CN101564833A (en) | 2009-10-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100528604A Pending CN101564833A (en) | 2008-04-23 | 2008-04-23 | Reversing structure of ratchet spanner |
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| Country | Link |
|---|---|
| CN (1) | CN101564833A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102152268A (en) * | 2011-04-20 | 2011-08-17 | 徐尚仁 | Special-shaped swing rod ratchet handle wrench special for assembling and disassembling anti-theft screws |
| CN102145478B (en) * | 2010-02-05 | 2012-09-12 | 胡厚飞 | Ratchet spanner |
| CN104191400A (en) * | 2014-08-25 | 2014-12-10 | 慈溪市诚佳五金工具有限公司 | Screwdriver ratchet wheel structure |
| CN108818376A (en) * | 2018-06-28 | 2018-11-16 | 榆林学院 | A kind of non-cap screw rod spanner and application method |
| CN110948443A (en) * | 2019-12-17 | 2020-04-03 | 无锡住信建筑构件有限公司 | Prefabricated component form removal tool |
-
2008
- 2008-04-23 CN CNA2008100528604A patent/CN101564833A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102145478B (en) * | 2010-02-05 | 2012-09-12 | 胡厚飞 | Ratchet spanner |
| CN102152268A (en) * | 2011-04-20 | 2011-08-17 | 徐尚仁 | Special-shaped swing rod ratchet handle wrench special for assembling and disassembling anti-theft screws |
| CN104191400A (en) * | 2014-08-25 | 2014-12-10 | 慈溪市诚佳五金工具有限公司 | Screwdriver ratchet wheel structure |
| CN108818376A (en) * | 2018-06-28 | 2018-11-16 | 榆林学院 | A kind of non-cap screw rod spanner and application method |
| CN108818376B (en) * | 2018-06-28 | 2023-08-29 | 榆林学院 | Cap-free screw wrench and use method |
| CN110948443A (en) * | 2019-12-17 | 2020-04-03 | 无锡住信建筑构件有限公司 | Prefabricated component form removal tool |
| CN110948443B (en) * | 2019-12-17 | 2021-08-10 | 无锡住信建筑构件有限公司 | Prefabricated component form removal tool |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20091028 |