CN2642463Y - Improved wrench - Google Patents
Improved wrench Download PDFInfo
- Publication number
- CN2642463Y CN2642463Y CN 03258130 CN03258130U CN2642463Y CN 2642463 Y CN2642463 Y CN 2642463Y CN 03258130 CN03258130 CN 03258130 CN 03258130 U CN03258130 U CN 03258130U CN 2642463 Y CN2642463 Y CN 2642463Y
- Authority
- CN
- China
- Prior art keywords
- containing hole
- ratchet
- groove
- flange
- recess
- 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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- Sealing Devices (AREA)
Abstract
An improved spanner comprises a handle. The handle is provided with at least a drive section at one end, while a containing hole is provided through the drive section. A flange protrudes at the bottom of the containing hole, while a groove is provided annularly at the position near the top of the containing hole. A concave is provided at either end of a ratchet wheel, and one cave at one end of the ratchet wheel is fit with the flange at the bottom of the containing hole. A first dustproof part is provided between the concave and the flange to seal a clearance between the concave and the flange. The concave at the other end of the ratchet wheel is provided with a fixing part, which is fit with the groove of the containing hole. The ratchet wheel is fixed in the containing hole. A second dustproof part is equipped between the groove and the concave to seal a clearance between the groove and fixing part. The utility model is capable of preventing dust, iron scraps and other foreign substances, and causes no damage to the ratchet wheel.
Description
Technical field
The utility model relates to a kind of hand-operated tools, relates in particular to a kind of improved spanner that prevents that foreign matter from entering.
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, is concaved with a containing hole 62 in this driving head 61, for a ccontaining ratchet 63, and this driving head 61 is provided with a tooth piece 64 in these containing hole 62 1 sides, supporting sincere this ratchet 63, and the bottom of this containing hole 62 convexes with a flange 621, for this ratchet 63 of block, this place, containing hole 62 nearly top is provided with a C shape clasp 65, comes off to prevent this ratchet 63.
Because this ratchet spanner during fabrication, is ease of assembly, has some tolerances between its each member, as shown in Figure 7, thus, 62 of this ratchet 63 and this containing holes can produce the gap.Yet the place that this ratchet spanner is using, have foreign matters such as dust, iron filings mostly, this foreign matter enters by the gap of 63 on these containing hole 62 bottoms and this ratchet or by the gap of 62 of this C shape clasp 65 and this containing holes easily, as shown in Figure 8, and stopper is on the ratchet of this ratchet 63, cause the rotation of ratchet 63 to have some setbacks, and make ratchet 63 wearing and tearing occur.
So, how to prevent that foreign matter from entering ratchet spanner, then be the improved emphasis of the utility model.
The utility model content
In order to overcome the above-mentioned shortcoming that existing ratchet spanner exists, the utility model provides a kind of improved spanner, and it can prevent that foreign matters such as dust, iron filings from entering, and can not damage ratchet.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of improved spanner, comprise a lever, 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 bottom of this containing hole is protruding to have a flange, it is characterized in that, place, the nearly top of described containing hole is equipped with a groove, the two ends of this ratchet have a recess respectively, and one end recess is sticked in the flange of this containing hole bottom, is provided with one first dust guard between this recess and this flange, for the gap between this recess of sealing and this flange, the recess of this ratchet other end is provided with a fixture, and this fixture is sticked in the groove of this containing hole, and this ratchet is fixed in this containing hole, be provided with one second dust guard between this groove and this fixture, for the gap between this groove of sealing and this fixture.
Aforesaid improved spanner, wherein the two ends of lever have the drive division of a single direction ratchet respectively, this drive division is provided with a tooth piece that is subjected to a spring push in described containing hole one side, to support sincere this ratchet, make this ratchet towards folk prescription to rotation.
Aforesaid improved spanner, wherein first dust guard is that section is down L shaped rubber washer.
Aforesaid improved spanner, wherein fixture is a C shape clasp.
Aforesaid improved spanner, wherein second dust guard is that section is L shaped rubber washer.
Aforesaid improved spanner, wherein second dust guard is that section is the rubber washer of ㄈ shape.
The utility model can prevent that foreign matters such as dust, iron filings from entering, and can not damage ratchet.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is a stereoscopic schematic diagram of the present utility model
Fig. 2 is an exploded perspective schematic diagram of the present utility model
Fig. 3 is a sectional view of the present utility model
Fig. 4 is that the utility model prevents the schematic diagram that foreign matter enters
Fig. 5 is the schematic diagram of the utility model second embodiment
Fig. 6 is the exploded perspective schematic diagram of existing ratchet spanner
Fig. 7 is the cutaway view of existing ratchet spanner driving head
Fig. 8 is the schematic diagram that foreign matter enters existing ratchet spanner
The specific embodiment
See also Fig. 1 to shown in Figure 4, first example structure that the utility model is selected, it has a lever 1, this lever 1 at least one end has a drive division 2, in the present embodiment, the two ends of this lever 1 have the drive division 2 of a single direction ratchet respectively, for turning of work piece.
This drive division 2 has a containing hole that runs through 21, and for a ccontaining ratchet 3, and this drive division 2 is provided with a tooth piece 23 that is subjected to a spring 22 pushing tows in these containing hole 21 1 sides, for supporting sincere this ratchet 3, make this ratchet 3 towards folk prescription to rotation.The bottom of the containing hole 21 of this drive division 2 has protruded out a flange 211, this place, containing hole 21 nearly top is equipped with a groove 212, the two ends of this ratchet 3 have a recess 31 respectively, one end recess 31 is the flanges 211 that are sticked in these containing hole 21 bottoms, be provided with one first dust guard 24 between this recess 31 and this flange, in the present embodiment, these first dust guard, 24 sections are down L shaped rubber washer, to seal the gap of 211 of this recess 31 and this flanges.The recess 31 of these ratchet 3 other ends is provided with a fixture 25, and this fixture 25 is sticked in the groove 212 of this containing hole 21, and in the present embodiment, this fixture 25 is a C shape clasp, so that this ratchet 3 is fixed in this containing hole 21.25 of this groove 212 and this fixtures are provided with one second dust guard 26, and in the present embodiment, these second dust guard, 26 sections are L shaped rubber washer, for the gap of sealing 25 of this groove 212 and this fixtures.
Because first dust guard 24 can be sealed the gap of 31 of the recesses of the flange 211 of containing hole 21 and ratchet 3, and second dust guard 26 can be sealed the gap of 25 of the groove 212 of containing hole 21 and fixtures, foreign matters such as dust, iron filings can't be entered in this containing hole 21, as shown in Figure 4, and can not damage ratchet 3.
See also shown in Figure 5ly, it is second embodiment of the present utility model, wherein, be positioned at second dust guard 27 of 25 of the groove 212 of this containing hole 21 and this fixtures, its section is the rubber washer of ㄈ shape, so that the better effects if of sealing, the easier foreign matter that prevents enters in this containing hole 21.
Claims (6)
1, a kind of improved spanner, comprise a lever, 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 bottom of this containing hole is protruding to have a flange, it is characterized in that, place, the nearly top of described containing hole is equipped with a groove, the two ends of this ratchet have a recess respectively, and one end recess is sticked in the flange of this containing hole bottom, is provided with one first dust guard between this recess and this flange, for the gap between this recess of sealing and this flange, the recess of this ratchet other end is provided with a fixture, and this fixture is sticked in the groove of this containing hole, and this ratchet is fixed in this containing hole, be provided with one second dust guard between this groove and this fixture, for the gap between this groove of sealing and this fixture.
2. improved spanner according to claim 1 is characterized in that the two ends of described lever have the drive division of a single direction ratchet respectively, and this drive division is provided with a tooth piece that is subjected to a spring push in described containing hole one side.
3. improved spanner according to claim 1 is characterized in that described first dust guard is that section is down L shaped rubber washer.
4. improved spanner according to claim 1 is characterized in that described fixture is a C shape clasp.
5. improved spanner according to claim 1 is characterized in that described second dust guard is that section is L shaped rubber washer.
6. improved spanner according to claim 1 is characterized in that described second dust guard is that section is the rubber washer of ㄈ shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03258130 CN2642463Y (en) | 2003-07-24 | 2003-07-24 | Improved wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03258130 CN2642463Y (en) | 2003-07-24 | 2003-07-24 | Improved wrench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2642463Y true CN2642463Y (en) | 2004-09-22 |
Family
ID=34295677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03258130 Expired - Fee Related CN2642463Y (en) | 2003-07-24 | 2003-07-24 | Improved wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2642463Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102380839A (en) * | 2010-09-06 | 2012-03-21 | 胡厚飞 | Dustproof structure of ratchet spanner |
| CN106881677A (en) * | 2015-12-15 | 2017-06-23 | 艾沛克斯工具(香港)有限公司 | Ratchet spanner with dustproof construction |
-
2003
- 2003-07-24 CN CN 03258130 patent/CN2642463Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102380839A (en) * | 2010-09-06 | 2012-03-21 | 胡厚飞 | Dustproof structure of ratchet spanner |
| CN102380839B (en) * | 2010-09-06 | 2013-11-20 | 胡厚飞 | Dustproof structure of ratchet spanner |
| CN106881677A (en) * | 2015-12-15 | 2017-06-23 | 艾沛克斯工具(香港)有限公司 | Ratchet spanner with dustproof construction |
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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: 20110724 |