CN101402189B - Ratchet wrench - Google Patents
Ratchet wrench Download PDFInfo
- Publication number
- CN101402189B CN101402189B CN200810202440XA CN200810202440A CN101402189B CN 101402189 B CN101402189 B CN 101402189B CN 200810202440X A CN200810202440X A CN 200810202440XA CN 200810202440 A CN200810202440 A CN 200810202440A CN 101402189 B CN101402189 B CN 101402189B
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- CN
- China
- Prior art keywords
- pawl
- ratchet
- pull
- pads
- ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The invention relates to a ratchet wheel spanner which comprises a handle, a ratchet wheel head, two positioning rings, an adjusting ring, an adjusting ring cover, two spanner claws, two springs and a plurality of spanner claw cushions. The main body of the ratchet wheel head is circular; the inside of a ring loop is symmetrically connected with two crescent liner blocks; and an elliptical hollow cavity is formed between two liner blocks. The two spanner claws are symmetrically embedded into the ring loop of the adjusting ring and extend to one side through the elliptical hollow cavity between two liner blocks. The ratchet wheel spanner has the advantages of simple structure, the stepless adjustment of the teeth distance, the adjustability of the direction of the ratchet wheel and the rapid adjustment of the teeth distance, and can complete the screwing or unscrewing operation of a nut without taking out the ratchet wheel spanner once the ratchet wheel spanner is sleeved.
Description
Technical field
The present invention relates to a kind of hand-held tool that is used to screw parts such as nut, relate in particular to a kind of ratchet spanner.
Background technology
The spanner of prior art generally comprises handle and is connected fixed caliper, moving caliper and a worm screw that is installed in the handle front end of handle front end, and moving caliper links to each other with worm-drive.During use, by the finger rotary worm, make moving caliper touch nut, afterburning then rotary spanner reaches and screws or unscrew nut.The problem that this spanner exists is, and is limited when the operating space, can not allow when spanner is turn-taked that each action can only be rotated a less angle.When needs continue to screw or unscrew nut, must take out spanner, to rotate to put once more after the angle and screw, this action often will repeat repeatedly, uses very inconvenient.
Summary of the invention
Purpose of the present invention is exactly in order to solve the problem that above-mentioned prior art exists, to provide a kind of just need the taking-up can finish the ratchet spanner that nut is screwed or unscrews.
In order to achieve the above object, the present invention has adopted following technical scheme: a kind of ratchet spanner, and it comprises:
Handle, it is moulded pad by a center and is connected two handle lids moulding the pad both sides and is combined into integral body;
Ratchet head is connected the front end that pad is moulded by handle center, and its main body is an annular, is symmetrically connected with two crescent pads in the ring, and two pads stretch out to a side, and the lateral surface of extension is provided with radial detents, forms an oblong cavity between two pads;
Two locating rings are inlaid on the radial detents of ratchet head two pads respectively and can slide along locating slot;
Adjustable ring is sleeved on ratchet head two pads and with two locating rings and is fixedly linked;
Regulate ring cowling, be connected the upper surface of adjustable ring;
Two pull pawl, and symmetry is inlaid in the ring of adjustable ring and by the oblong cavity between two pads stretches out to a side, and two pull pawl can inside and outsidely move;
Two springs are separately positioned on two and pull between pawl and the adjustable ring;
Pull palmula, liner is in the inboard of pulling pawl.
Described handle is provided with and is used to settle the open slot of pulling palmula, and the time spent is not placed in this open slot to pull palmula.
Be arranged with two on the described adjustable ring and be used for the chute that setting-in is pulled pawl, connect outside the lateral of this chute, the inboard is provided with the baffle plate as spring base.
The described pawl of pulling is three sections broken line shape structural members, comprises abaculus section, a transition linkage section and the dihedral bolt die section in the chute that is used to be inlaid on the adjustable ring; On the abaculus section, be provided with spring groove, at the bottom of the angle of dihedral bolt die section, be provided with and be used for and pull the magnetic patch groove that palmula is connected.
Describedly pull adaptive shape and the structure of bolt die section that palmula has and pulls pawl, its medial surface that is used to clamp workpiece is plate shaped or tooth bar shape.
The connecting portion of described ratchet head and handle is provided with the ratchet pulling block governor motion of the rotation direction that is used to regulate ratchet head.
Ratchet spanner of the present invention is simple in structure, have electrodeless adjusting tooth apart from, the ratchet direction is adjustable and the advantage of quick adjustment tooth distance, once put just need not take out and can finish the work that nut is screwed or unscrews.
Description of drawings
Fig. 1 is the perspective view of ratchet spanner of the present invention;
Fig. 2 is the decomposition texture schematic diagram of ratchet spanner of the present invention;
Fig. 3 is the perspective view of the ratchet head among the present invention;
Fig. 4 be among the present invention ratchet head face structural representation;
Fig. 5, Fig. 6 are the perspective view of the adjustable ring among the present invention;
Fig. 7 is the side-looking structural representation of the adjustable ring among the present invention;
Fig. 8 is the perspective view of pulling pawl among the present invention;
Fig. 9 is a kind of perspective view of pulling palmula among the present invention;
Figure 10 is the perspective view that the another kind among the present invention is pulled palmula.
The specific embodiment
Referring to Fig. 1, Fig. 2, ratchet spanner of the present invention comprises handle 1, ratchet head 2, two locating rings 3, adjustable ring 4, regulates ring cowling 5, two and pull pawl 6, two springs 7 and a plurality of palmula 8 of pulling.Be provided with the ratchet pulling block governor motion 9 of the rotation direction that is used to regulate ratchet head at the connecting portion of ratchet head 2 and handle 1.
Referring to Fig. 2, the handle 1 among the present invention is moulded pad 11 by a center and is connected two handle lids 12,13 moulding the pad both sides and is combined into integral body.Be provided with on handle and be used to settle the open slot 14 of pulling palmula, the time spent is not placed in this open slot to pull palmula 8.
Cooperation is referring to Fig. 3, Fig. 4, ratchet head 2 among the present invention is connected the front end that pad 11 is moulded by handle center, its main body is an annular, be symmetrically connected with two crescent pads 21 in the ring, two pads stretch out to a side, the lateral surface of extension is provided with and forms an oblong cavity 22 between radial detents 211, two pads.
Two locating rings 3 among the present invention are inlaid on the radial detents 211 of ratchet head two pads 21 respectively and can slide along locating slot.
Cooperation is referring to Fig. 5, Fig. 6, Fig. 7, and the adjustable ring 4 among the present invention is sleeved on ratchet head two pads 21 and by a plurality of screws 43 and two locating rings 3 and is fixedly linked; Be arranged with two and be used for the chute 41 that setting-in is pulled pawl on adjustable ring 4, connect outside the lateral of this chute, the inboard is provided with the baffle plate 42 as spring base.
Adjusting ring cowling 5 among the present invention is connected the upper surface of adjustable ring by a plurality of screws 51.
Cooperation is referring to Fig. 8, and two among the present invention pulls in the ring that pawl 6 symmetries are inlaid in adjustable ring and by the oblong cavity between two pads 22 and stretch out to a side, and two pull pawl can inside and outsidely move; Pulling pawl 6 is three sections broken line shape structural members, comprises that one is used to be inlaid in the abaculus section 61 in the chute on the adjustable ring, a transition linkage section 62 and a dihedral bolt die section 63.On the abaculus section, be provided with spring groove 64, at the bottom of the angle of dihedral bolt die section, be provided with and be used for and pull the magnetic patch groove 65 that palmula is connected.
Two springs 7 among the present invention are separately positioned on two and pull between pawl 6 and the adjustable ring 44, and the one end embeds and pulls in the spring groove 64 of pawl 6, and the other end is pressed on the baffle plate 42 of adjustable ring 4.
Cooperation is referring to Fig. 9, Figure 10, pull palmula 8 liners in the inboard of pulling pawl 6 among the present invention, this is pulled palmula 8 and has shape and the structure adaptive with the bolt die section 63 of pulling pawl, and what its medial surface that is used to clamp workpiece can be for as shown in Figure 9 is plate shaped 81, also can be tooth bar shape 82 as shown in figure 10.Be provided with the magnetic patch that is used to insert the magnetic patch groove 65 of pulling pawl 6 (Fig. 9, Figure 10 not shown come out) at the bottom of the angle of pulling palmula 8, this magnetic patch stretches out laterally.
Ratchet spanner of the present invention is being pulled the suitable palmula liner of pulling on the pawl in use, and one holds handle, and another holds adjustable ring, or handle is motionless, only rotates adjustable ring; Or the motionless and turning handle of adjustable ring, promptly as long as the relative motion between realization adjustable ring and the ratchet head, do in the process of relative motion with respect to ratchet head at adjustable ring, be inlaid in the ring of adjustable ring and two pull pawl and promptly move to what a side was stretched out along the inwall of oblong cavity by the oblong cavity between two pads, two pull the relative distance conversion thereupon between the pawl, thereby realize opening or drawing in.Workpiece clamp is pulled between the pawl two, after clamping by above-mentioned measure, decontrol adjustable ring, one hand is turning handle repeatedly, can realize workpiece is screwed or unscrews.The rotation direction of ratchet head can be by the conversion of ratchet pulling block governor motion.
Claims (6)
1. ratchet spanner is characterized in that comprising:
Handle, it is moulded pad by a center and is connected two handle lids moulding the pad both sides and is combined into integral body;
Ratchet head is connected the front end that pad is moulded by handle center, and its main body is an annular, is symmetrically connected with two crescent pads in the ring, and two pads stretch out to a side, and the lateral surface of extension is provided with radial detents, forms an oblong cavity between two pads;
Two locating rings are inlaid on the radial detents of ratchet head two pads respectively and can slide along locating slot;
Adjustable ring is sleeved on ratchet head two pads and with two locating rings and is fixedly linked;
Regulate ring cowling, be connected the upper surface of adjustable ring;
Two pull pawl, and symmetry is inlaid in the ring of adjustable ring and by the oblong cavity between two pads stretches out to a side, and two pull pawl can inside and outsidely move;
Two springs are separately positioned on two and pull between pawl and the adjustable ring;
Pull palmula, liner is in the inboard of pulling pawl.
2. ratchet spanner according to claim 1 is characterized in that: described handle is provided with and is used to settle the open slot of pulling palmula, and the time spent is not placed in this open slot to pull palmula.
3. ratchet spanner according to claim 1 is characterized in that: be arranged with two on the described adjustable ring and be used for the chute that setting-in is pulled pawl, connect outside the lateral of this chute, the inboard is provided with the baffle plate as spring base.
4. ratchet spanner according to claim 1 is characterized in that: the described pawl of pulling is three sections broken line shape structural members, comprises abaculus section, a transition linkage section and the dihedral bolt die section in the chute that is used to be inlaid on the adjustable ring; On the abaculus section, be provided with spring groove, at the bottom of the angle of dihedral bolt die section, be provided with and be used for and pull the magnetic patch groove that palmula is connected.
5. ratchet spanner according to claim 1 is characterized in that: describedly pull adaptive shape and the structure of bolt die section that palmula has and pulls pawl, its medial surface that is used to clamp workpiece is plate shaped or tooth bar shape.
6. ratchet spanner according to claim 1 is characterized in that: the connecting portion of described ratchet head and handle is provided with the ratchet pulling block governor motion of the rotation direction that is used to regulate ratchet head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810202440XA CN101402189B (en) | 2008-11-07 | 2008-11-07 | Ratchet wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810202440XA CN101402189B (en) | 2008-11-07 | 2008-11-07 | Ratchet wrench |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101402189A CN101402189A (en) | 2009-04-08 |
| CN101402189B true CN101402189B (en) | 2010-07-14 |
Family
ID=40536424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810202440XA Expired - Fee Related CN101402189B (en) | 2008-11-07 | 2008-11-07 | Ratchet wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101402189B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101648372B (en) * | 2009-06-24 | 2011-01-19 | 上海昆杰五金工具有限公司 | Non-polar sleeve |
| CN103358254A (en) * | 2012-04-01 | 2013-10-23 | 上海昆杰五金工具有限公司 | Quick-acting wrench |
| TWI624330B (en) * | 2017-06-02 | 2018-05-21 | Chen Yi Fu | Pawl tool structure |
-
2008
- 2008-11-07 CN CN200810202440XA patent/CN101402189B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101402189A (en) | 2009-04-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI KUNJIE HARDWARE TOOLS CO., LTD. Owner name: SHANGHAI SANTO HARDWARE TOOL CO., LTD. Free format text: FORMER OWNER: SHANGHAI KUNJIE HARDWARE TOOLS CO., LTD. Effective date: 20110726 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20110726 Address after: 201108 Shanghai city Minhang District Huaning road 3740 Lane 198 Co-patentee after: Shanghai Kunjie Hardware Tools Co., Ltd. Patentee after: Shanghai Saituo Tools Co., Ltd. Address before: 201108 Shanghai city Minhang District Huaning road 3740 Lane 198 Patentee before: Shanghai Kunjie Hardware Tools Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100714 Termination date: 20171107 |