CN203003752U - Ratchet wrench - Google Patents
Ratchet wrench Download PDFInfo
- Publication number
- CN203003752U CN203003752U CN 201220621660 CN201220621660U CN203003752U CN 203003752 U CN203003752 U CN 203003752U CN 201220621660 CN201220621660 CN 201220621660 CN 201220621660 U CN201220621660 U CN 201220621660U CN 203003752 U CN203003752 U CN 203003752U
- Authority
- CN
- China
- Prior art keywords
- spring
- ratchet
- gear ring
- block
- inclined hole
- 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 - Lifetime
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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The utility model discloses a ratchet wrench, which comprises a wrench body, a gear ring and a stop dog, wherein a mounting hole is arranged at the front end of the wrench body, the gear ring is arranged in the mounting hole, a first ratchet is arranged on the outer circumference surface of the gear ring in an integrated manner, a cavity communicated with the mounting hole is arranged on the wrench body, the stop dog is arranged in the cavity, and a second ratchet meshed with the first ratchet is arranged on the stop dog in an integrated manner. The ratchet wrench is characterized in that an inclined hole is arranged in the wrench body, a spring is arranged in the inclined hole, and the spring is propped against the rear inclined surface of the stop dog; and the ratchet wrench has the following advantages: the spring is mounted in the inclined hole of the wrench body and is propped against the rear inclined surface of the stop dog, so that mounting difficulty of the spring is greatly reduced, and production efficiency is improved; and at the same time, applied force of the spring to the stop dog is stable, and stability and reliability of meshing of the stop dog and the gear ring are ensured when meshing of the stop dog and the gear ring is needed.
Description
Technical field
The utility model relates to a kind of spanner, relates in particular to a kind of ratchet spanner.
Background technology
at present, ratchet spanner mainly can be divided into two kinds of one-way ratchet wrench and reversible ratcheting tools, and a kind of one-way ratchet wrench is arranged, it mainly comprises gear ring, pull body, block and spring etc., gear ring is meshed with block, spring is arranged on a side of block, under the effect of spring, when pulling body to certain direction rotation, spring withstands block, make the tightly interlock of block and gear ring, thereby driving gear ring rotates together, in order to tighten or to unclamp nut, but present this one-way ratchet wrench, because spring is more tiny, and its installation site is positioned at a side of block, cause its assembling very difficult, production efficiency is very low, and spring is after being subject to reaction force, its bending direction is unrestricted, cause its active force to block unstable, thereby easily at needs block and gear ring, the gear ring skidding occurs tightly during interlock.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of ratchet spanner simple, that use is reliable and stable that assembles.
the utility model solves the problems of the technologies described above the technical scheme that adopts: a kind of ratchet spanner, comprise and pull body, gear ring and block, the described front end of pulling body is provided with installing hole, described gear ring is arranged in described installing hole, be wholely set the first ratchet on the outer circumference surface of described gear ring, described pulling is provided with the inner chamber that is connected with described installing hole on body, described block is arranged in described inner chamber, be wholely set the second ratchet that is meshed with described the first ratchet on described block, described pulling is provided with inclined hole in body, be provided with spring in described inclined hole, described spring top is on the back bevel of described block.
In horizontal plane, the center line of described inclined hole and the described angle of pulling the center line of body are 10～20 °, the center of described gear ring is 3～15 ° to line and the described angle of pulling the center line of body of the central point of described inclined hole openend, and the angle of the center line of described inclined hole and described block back bevel is 70～110 °.
Be provided with spring catch in described inclined hole, described spring top is connected between described spring catch and described inclined hole, and described spring catch withstands on the back bevel of described block, and this structure makes spring more reliable and more stable to the active force of block.
Be provided with spring eye in described spring catch, an end of described spring inserts in described spring eye, and the other end of described spring withstands in described inclined hole.
Be wholely set the gear step on the back bevel of described block, described gear step is positioned at the inboard of described spring catch, in the time of can preventing the spanner quick rotation, skids between block and spring catch, has further guaranteed the reliable and stable of use.
The thickness of described gear step is greater than 0.3mm.
Compared with prior art, the utility model has the advantages that due to spring is assemblied in the inclined hole of pulling body, and spring top greatly reduces the assembly difficulty of spring on the back bevel of block, improved production efficiency; Also make simultaneously spring stable to the active force of block, having guaranteed is needing tightly block and gear ring interlock reliable and stable during interlock of block and gear ring.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is local enlarged diagram of the present utility model.
The specific embodiment
Embodiment is described in further detail the utility model below in conjunction with accompanying drawing.
as shown in the figure, a kind of ratchet spanner, comprise and pull body 1, gear ring 2, block 3 and spring 5, the front end of pulling body 1 is provided with installing hole (not marking in figure), gear ring 2 is arranged in installing hole, be wholely set the first ratchet 21 on the outer circumference surface of gear ring 2, pull and be provided with the inner chamber 11 that is connected with installing hole on body 1, block 3 is arranged in inner chamber 11, be wholely set the second ratchet 31 that is meshed with the first ratchet 21 on block 3, pull and be provided with inclined hole 12 in body 1, be provided with spring catch 4 in inclined hole 12, be provided with spring eye (not marking in figure) in spring catch 4, one end of spring 5 inserts in spring eye, the other end of spring 5 withstands in inclined hole 12, spring catch 4 withstands on the back bevel 32 of block 3, be wholely set gear step 33 on the back bevel of block 3, gear step 33 is positioned at the inboard of spring catch 4, in horizontal plane, the center line of inclined hole 12 is 18 ° with the angle α that pulls the center line of body 1, the center of gear ring 2 is 10 ° to the line of the central point of inclined hole 12 openends with the angle β that pulls the center line of body 1, the angle γ of the center line of inclined hole 12 and block 3 back bevels 32 is 85 °.
In above-described embodiment, can be according to size and the actual needs of spanner, center line to inclined hole 12 is selected in the scope of 10～20 ° with the angle α that pulls the center line of body 1, center to gear ring 2 is selected in the scope of 3～15 ° with the angle β that pulls the center line of body 1 to the line of the central point of inclined hole 12 openends, the center line of inclined hole 12 and the angle γ of block 3 back bevels 32 are selected in the scope of 70～110 °, and the thickness of gear step 33 is greater than 0.3mm.
This ratchet spanner realizes that the process of one-directional rotation is: as shown in the figure, gear ring 2 is enclosed within on the nut that to tighten or to unclamp, when pulling body 1 and rotate counterclockwise, driving block 3 rotates counterclockwise, at this moment, relative sliding occurs between the second ratchet 31 on block 3 and the first ratchet 21 on gear ring 2 in the very little active force that even do not produce of the active force of 4 pairs of blocks 3 of spring catch, at this moment, gear ring 2 is motionless; And when pulling body 1 and clockwise rotate, drive block 3 to clockwise rotate, at this moment, 4 pairs of blocks 3 of spring catch apply active force, make the first mutual interlock of ratchet 21 on the second ratchet 31 and the gear ring 2 on block 3, thereby drive gear ring 2 clockwise rotates together, with nut screwing clamping or unclamp.
Claims (6)
1. ratchet spanner, comprise and pull body, gear ring and block, the described front end of pulling body is provided with installing hole, described gear ring is arranged in described installing hole, be wholely set the first ratchet on the outer circumference surface of described gear ring, described pulling is provided with the inner chamber that is connected with described installing hole on body, described block is arranged in described inner chamber, be wholely set the second ratchet that is meshed with described the first ratchet on described block, it is characterized in that described pulling is provided with inclined hole in body, be provided with spring in described inclined hole, described spring top is on the back bevel of described block.
2. a kind of ratchet spanner as claimed in claim 1, it is characterized in that in horizontal plane, the center line of described inclined hole and the described angle of pulling the center line of body are 10～20 °, the center of described gear ring is 3～15 ° to line and the described angle of pulling the center line of body of the central point of described inclined hole openend, and the angle of the center line of described inclined hole and described block back bevel is 70～110 °.
3. a kind of ratchet spanner as claimed in claim 1, is characterized in that being provided with spring catch in described inclined hole, and described spring top is connected between described spring catch and described inclined hole, and described spring catch withstands on the back bevel of described block.
4. a kind of ratchet spanner as claimed in claim 3, is characterized in that being provided with spring eye in described spring catch, and an end of described spring inserts in described spring eye, and the other end of described spring withstands in described inclined hole.
5. a kind of ratchet spanner as claimed in claim 3 is characterized in that being wholely set the gear step on the back bevel of described block, and described gear step is positioned at the inboard of described spring catch.
6. a kind of ratchet spanner as claimed in claim 5, is characterized in that the thickness of described gear step is greater than 0.3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220621660 CN203003752U (en) | 2012-11-20 | 2012-11-20 | Ratchet wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220621660 CN203003752U (en) | 2012-11-20 | 2012-11-20 | Ratchet wrench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203003752U true CN203003752U (en) | 2013-06-19 |
Family
ID=48595384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220621660 Expired - Lifetime CN203003752U (en) | 2012-11-20 | 2012-11-20 | Ratchet wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203003752U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103009319A (en) * | 2012-11-20 | 2013-04-03 | 包剑刚 | Ratchet wrench |
-
2012
- 2012-11-20 CN CN 201220621660 patent/CN203003752U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103009319A (en) * | 2012-11-20 | 2013-04-03 | 包剑刚 | Ratchet wrench |
| CN103009319B (en) * | 2012-11-20 | 2016-06-08 | 江苏杰杰工具有限公司 | A kind of one-way ratchet wrench |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180711 Address after: 223005 1 South Machang Road, Huaian economic and Technological Development Zone, Jiangsu Patentee after: JIANGSU JIEJIE TOOL Co.,Ltd. Address before: No. 118 Zhenhai city road, Ningbo, Zhejiang Province, Zhejiang Patentee before: Ningbo JJ Tools Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130619 |