CN2642464Y - Improved ratchet wrench - Google Patents
Improved ratchet wrench Download PDFInfo
- Publication number
- CN2642464Y CN2642464Y CN 03258143 CN03258143U CN2642464Y CN 2642464 Y CN2642464 Y CN 2642464Y CN 03258143 CN03258143 CN 03258143 CN 03258143 U CN03258143 U CN 03258143U CN 2642464 Y CN2642464 Y CN 2642464Y
- Authority
- CN
- China
- Prior art keywords
- ratchet
- spring
- piece
- spanner
- ratchets
- 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
An improved ratchet spanner comprises a handle. The handle is provided with at least a drive section at one end. A containing hole is provided through the drive section, and a ratchet wheel is put in the containing hole. Ratchets are equipped at the external edge of the ratchet wheel. A containing chamber is provided at one side of the drive section near the ratchet wheel to contain a ratchet block. Moreover, a hole passage is provided at a bottom of the containing chamber to contain a spring. One end of the spring stretches out of the containing chamber to jack the ratchet block. One side of the ratchet block is provided with ratchets meshing with the ratchet wheel. A convex plate is equipped at one end of the ratchet block corresponding to the spring and is inserted into a coil of the spring, so the ratchet block will produce a force of upward jacking and sideward pushing with elastic force of the spring. The utility model can make the ratchet block produce the force of upward jacking and sideward pushing with elastic force of the spring, so the ratchets of the ratchet block can really mesh with the ratchets of the ratchet wheel and the spanner can turn a working part effectively. Moreover, the utility model is convenient for assembling.
Description
Technical field
The utility model relates to a kind of hand-operated tools, relates in particular to a kind ofly can shore the improved ratchet spanner that the ratchet piece engages ratchet really.
Background technology
As shown in Figure 6, it is general common ratchet spanner, one end of this ratchet spanner 6 has a driving head 61, this driving head 61 is concaved with a containing hole 62, for a ccontaining ratchet 7, the outer rim of this ratchet 7 is equipped with ratchet 71, and this driving head 61 is provided with a room 63 in these containing hole 62 1 sides, for the ratchet piece 64 that is installed with a tool ratchet, and be provided with a duct 65 in these room 63 bottoms, for a spring 66 is set, an end of this spring 66 is to expose in this room 63, for pushing this ratchet piece 64, make this ratchet piece 64 engageable firmly ratchets 71 of this ratchet 7.
Because this ratchet piece 64 is just over this duct 65 in the position of this room 63, make spring 66 bendings of stretching out push this ratchet piece 64 by this duct 65, make this ratchet piece 64 mesh or break away from the ratchet 71 of this ratchet 7 with elastic force by this spring 66.Yet when deviation occurring, make this spring 66 can't push ratchet piece 64 really, as shown in Figure 7, promptly can cause this ratchet piece 64 can't mesh this ratchet 7, and then cause this ratchet spanner to use in this duct 65 of processing and manufacturing.
Moreover this spring 66 is sides of replacing this ratchet piece 64, does not have the structure of other binding between the two, and thus, when assembling, this ratchet piece 64 is jumped out this room 63 because of the elastic force of spring 66 bendings easily, and assembling is difficult for.
The utility model content
For the spring that overcomes existing ratchet spanner can't be replaced the ratchet piece really, and the shortcoming that assembling is difficult for, the utility model provides a kind of improved ratchet spanner, the utility model can make this ratchet piece be subjected to the elastic force effect of spring and produce upwards to be shored and strength that side direction pushes, make the ratchet of this ratchet piece can engage the ratchet of ratchet really, and make really effectively turning of work piece of spanner, if the duct of ccontaining this spring produces deviation man-hour adding, and when can't side direction pushing this ratchet piece, it is close to this ratchet that this spring still can upwards be shored this ratchet piece, make the still engageable firmly ratchet of this ratchet of ratchet of ratchet piece part, and easy to assembly.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of improved ratchet spanner, it has a lever, and at least one end of this lever has a drive division, this drive division has a containing hole that runs through, for a ccontaining ratchet, the outer rim of this ratchet is equipped with ratchet, and this drive division is provided with a room in a side of this ratchet, for a ccontaining ratchet piece, and the bottom of this room is provided with a duct, and for a spring is set, an end of this spring is to stretch out in this room, for this ratchet piece of pushing tow, a side of this ratchet piece has engageable ratchet in this ratchet; It is characterized in that: described ratchet piece is provided with a lug to a end that should spring, and this lug inserts in the coil of this spring, makes this ratchet piece be subjected to the elastic force effect of spring and produce one upwards to shore and strength that side direction pushes.
Aforesaid improved ratchet spanner, wherein the lug of ratchet piece is provided with a breach, inserts in the coil of this spring with this breach for this lug.
Aforesaid improved ratchet spanner, wherein ratchet is to be fixed in this containing hole by a fixture.
Aforesaid improved ratchet spanner is characterized in that described fixture is a C shape clasp.
The utility model can make this ratchet piece be subjected to the elastic force effect of spring and produce upwards to be shored and strength that side direction pushes, make the ratchet of this ratchet piece can engage the ratchet of ratchet really, and make really effectively turning of work piece of spanner, if the duct of ccontaining this spring produces deviation man-hour adding, and when can't side direction pushing this ratchet piece, it is close to this ratchet that this spring still can upwards be shored this ratchet piece, makes the still engageable firmly ratchet of this ratchet of ratchet of ratchet piece part, and easy to assembly.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is an exploded perspective schematic diagram of the present utility model
Fig. 2 is a cutaway view of the present utility model
Fig. 3 is that the utility model ratchet piece is subjected to the elastic force effect of spring and upwards shores and schematic diagram that side direction pushes
Fig. 4 is the exploded perspective schematic diagram of the utility model second embodiment
Fig. 5 is the cutaway view of the utility model second embodiment
Fig. 6 is the structural representation of existing ratchet spanner
Fig. 7 is that existing ratchet spanner duct deviation causes spring can't push the schematic diagram of ratchet piece
The specific embodiment
Seeing also Fig. 1 and Fig. 2, is first example structure of the present utility model shown in the figure.
It has a lever 1, and this lever 1 at least one end has a drive division 11, and in the present embodiment, the two ends of this lever 1 have the drive division 11 of a single direction ratchet respectively, for turning of work piece.
Above-mentioned drive division 11 has a containing hole that runs through 111, supplies a ccontaining ratchet 2, and with a fixture 12 this ratchet 2 is fixed in this containing hole 111, in the present embodiment, this fixture 12 is a C shape clasp, and the centre of this ratchet 2 has an embedded hole 21, with chimeric firmly workpiece.The outer rim of this ratchet 2 is equipped with ratchet 22, and this drive division 11 is provided with a room 112 in these containing hole 111 1 sides, for a ccontaining ratchet piece 3, the bottom of this room 112 is provided with a duct 113, for a spring 4 is set, an end of this spring 4 is to stretch out in this room 112, for this ratchet piece 3 of pushing tow.
One side of above-mentioned ratchet piece 3 has a supporting surface 31, for abutting against in the bottom of this room 112, the opposite side of this ratchet piece 3 then has engageable ratchet 32 in this ratchet 2,3 pairs of this ratchet pieces should spring 4 an end be provided with a lug 33, in the coil that inserts this spring 4, make this ratchet piece 3 be subjected to the elastic force effect of spring 4 and produce one and upwards shore and strength that side direction pushes.
As shown in Figure 3, it is close to this ratchet 2 that this ratchet piece 3 can be shored and push to the elastic force of above-mentioned spring 4, when rotating this ratchet spanner, the ratchet 22 of this ratchet 2 can engage the ratchet 32 of ratchet piece 3, and abut against in the bottom of this room 112 by the supporting surface 31 of this ratchet piece 3, and this ratchet 2 can't be rotated, with the turn workpiece.
Because the lug 33 of an end of this ratchet piece 3 is to insert in the coil of this spring 4, make this ratchet piece 3 be subjected to the elastic force effect of spring 4 and have and upwards shore and strength that side direction pushes, make the ratchet 32 of this ratchet piece 3 can engage the ratchet 22 of this ratchet 2 really.
Moreover, if the duct 113 of ccontaining this spring 4 produces deviation man-hour adding, and when can't side direction pushing this ratchet piece 3, it is close to this ratchet 2 that this spring 4 still can upwards be shored this ratchet piece 3, makes the still engageable ratchet 22 of living this ratchet 2 of the ratchet 32 of ratchet piece 3 parts.
In addition,, this ratchet piece 3 is linked together with this spring 4, make assembling comparatively convenient because the lug 33 of an end of this ratchet piece 3 is to insert in the coil of this spring 4.
See also Fig. 4 and shown in Figure 5, it is second embodiment of the present utility model, wherein, the lug 33 of this ratchet piece 3 is provided with a breach 331, this breach 331 makes in the coil of these lug 33 these springs 4 of easier insertion, upwards shore and strength that side direction pushes and make this ratchet piece 3 be subjected to the elastic force effect of spring 4 and produce, make this ratchet piece 3 can mesh this ratchet 2 really.
Claims (4)
1. improved ratchet spanner, it has a lever, and at least one end of this lever has a drive division, and this drive division has a containing hole that runs through, for a ccontaining ratchet, the outer rim of this ratchet is equipped with ratchet, and this drive division is provided with a room in a side of this ratchet, for a ccontaining ratchet piece, and the bottom of this room is provided with a duct, for a spring is set, an end of this spring is to stretch out in this room, and a side of this ratchet piece has engageable ratchet in this ratchet; It is characterized in that:
Described ratchet piece is provided with a lug to a end that should spring, and this lug inserts in the coil of this spring.
2. improved ratchet spanner according to claim 1 is characterized in that the lug of described ratchet piece is provided with a breach, inserts in the coil of this spring with this breach for this lug.
3. improved ratchet spanner according to claim 1 is characterized in that described ratchet is to be fixed in this containing hole by a fixture.
4. improved ratchet spanner according to claim 3 is characterized in that described fixture is a C shape clasp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03258143 CN2642464Y (en) | 2003-07-28 | 2003-07-28 | Improved ratchet wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03258143 CN2642464Y (en) | 2003-07-28 | 2003-07-28 | Improved ratchet wrench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2642464Y true CN2642464Y (en) | 2004-09-22 |
Family
ID=34295679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03258143 Expired - Fee Related CN2642464Y (en) | 2003-07-28 | 2003-07-28 | Improved ratchet wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2642464Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105345710A (en) * | 2015-12-15 | 2016-02-24 | 国网冀北电力有限公司秦皇岛供电公司 | Fastener disassembly spanner |
-
2003
- 2003-07-28 CN CN 03258143 patent/CN2642464Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105345710A (en) * | 2015-12-15 | 2016-02-24 | 国网冀北电力有限公司秦皇岛供电公司 | Fastener disassembly spanner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040922 Termination date: 20110728 |