CN203426926U - Improved falling-preventing socket wrench - Google Patents
Improved falling-preventing socket wrench Download PDFInfo
- Publication number
- CN203426926U CN203426926U CN201320524362.1U CN201320524362U CN203426926U CN 203426926 U CN203426926 U CN 203426926U CN 201320524362 U CN201320524362 U CN 201320524362U CN 203426926 U CN203426926 U CN 203426926U
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- China
- Prior art keywords
- dead bolt
- cylinder chamber
- groove
- bolt
- wall
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- Expired - Fee Related
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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
An improved falling-preventing socket wrench comprises a sleeve which comprises a polygonal sleeve cavity. The improved falling-preventing socket wrench is characterized by further comprising a falling-stopping device which comprises a dead-bolt mechanism, an elastic member and a release mechanism, wherein the dead-bolt mechanism, the elastic member and the release mechanism are arranged in a groove formed in the sleeve cavity wall of the polygonal sleeve cavity, and the elastic mechanism forms an inward acting force which acts on the upper end portion of a dead bolt and enables the dead bolt to rotate around a dead-bolt rotating shaft and protrude towards the interior of the polygonal sleeve cavity; the release mechanism comprises a release lever and a pressing rod, the resistance rod end of the release lever acts on the upper end of the dead bolt, the dead bolt comprises a horizontal obstructing surface and an inclined guiding surface, and the inclined guiding surface faces the opening side of the polygonal sleeve cavity. Compared with the prior art, reliability of the improved falling-preventing socket wrench is promoted.
Description
Technical field
The utility model relates to a kind of box spanner of improved slip-off preventing, and it belongs to box spanner class.
Background technology
Box spanner is a kind of very common hand tools, very extensive in mechanical field application.In actual applications, it is found that when using box spanner demounting bolt or nut, usually there is the situation that bolt or nut come off from the sleeve of box spanner, the bolt dropping out or nut sometimes drop in machinery equipment and are difficult to find, be stuck in the damage that also can cause equipment in transmission mechanism, during work high above the ground, bolt or nut fall down, and also likely cause personal injury.In order to address this problem, there is inventor to propose a kind of magnetic socket wrench, it is that effect by sleeve magnetic force holds bolt or nut, to prevent that it from dropping out when the operation.After the problem that this magnetic sleeve barrel spanner of prior art exists is that nut unloads, owing to there being magnetic force to hold operating personnel, to just can drop out with force vibration, when magnetic force sleeve is used for the dismounting of bolt, because the relative nut of bolt is heavier, the magnetic force of sleeve is often inhaled again incessantly bolt, slightly vibrate bolt and just in the time should not dropping out, fallen out to drop in machine, in sum, obviously prior art has further improvement necessary.
Summary of the invention
The purpose of this utility model is to provide a kind of box spanner of improved slip-off preventing, the problem existing to overcome prior art.
The box spanner of a kind of improved slip-off preventing of the present utility model, comprise sleeve, described sleeve comprises a polygon cylinder chamber, characterized by further comprising falling stop device, described falling stop device comprises spring bolt mechanism, elastic component and relieving mechanism, on the cylinder chamber wall in described polygon cylinder chamber, be formed with the groove that described falling stop device is set, described spring bolt mechanism comprises dead bolt, described dead bolt is arranged in groove, and be articulated on a chamber wall by its dead bolt rotating shaft, the groove corresponding with latch bolt position connects polygon cylinder cavity wall, described elastic component is also arranged in groove, and forming one acts on described dead bolt upper end and dead bolt is rotated and projecting inward interior to active force to polygon cylinder chamber around dead bolt rotating shaft, described relieving mechanism comprises trip lever and pressing lever, described trip lever is articulated with in groove by the lever shaft on it, and its resistance rod end acts on described dead bolt upper end, and described resistance rod end forms to described dead bolt form with described elastic component interior to the contrary export-oriented active force of active force, described pressing lever forms mobile cooperation with the strut kong on the wall of cylinder chamber, and through one end of described strut kong, act on the power arm end of trip lever, described dead bolt comprises horizontal blocking surface and guide ramp, described guide ramp is towards the open side in described polygon cylinder chamber.
The box spanner of this improved slip-off preventing of the present utility model, when nut or bolt enter polygon cylinder chamber, nut or bolt act in the guide ramp of dead bolt, make the horizontal blocking surface of dead bolt enter in groove completely, nut or bolt can enter polygon cylinder chamber smoothly like this, the position that enters polygon cylinder chamber when nut or bolt surpasses after horizontal blocking surface height and position, under the effect of elastic component elastic force, dead bolt is to projecting inward, nut or bolt can not be fallen down, when needs take out nut or bolt, as long as inwardly press pressing lever, under the effect of trip lever, dead bolt returns to again in groove, nut or bolt are fallen, the work of prior art the utility model is very reliable relatively, the nut that prior art exists need to vibrate and just can fall and heavier screw rod is understood the problem oneself falling and solved when not needing to fall.
Accompanying drawing explanation
Fig. 1 is the box spanner surface structure schematic diagram of a kind of improved slip-off preventing of providing of the utility model preferred embodiment;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the falling stop device structural representation of the box spanner of a kind of improved slip-off preventing of providing of the utility model preferred embodiment;
Fig. 4 is the view of having shown when a nut enters polygon cylinder chamber and acts on the guide ramp of dead bolt;
Fig. 5 has shown that a nut enters the view while being stopped by the horizontal blocking surface of dead bolt behind polygon cylinder chamber.
In each figure:
1 is sleeve;
101 is groove;
102 is cylinder chamber wall;
103 is polygon cylinder cavity wall;
104 is polygon cylinder chamber;
2 is nut;
3 is pressing lever;
4 is dead bolt;
401 is guide ramp;
402 is horizontal blocking surface;
403 is dead bolt rotating shaft;
5 is trip lever;
501 is lever shaft;
6 is elastic component;
7 is groove abaculus;
8 is dead bolt rotating shaft.
The specific embodiment
The utility model is described in further detail for the box spanner of a kind of improved slip-off preventing providing below with reference to the utility model preferred embodiment and accompanying drawing thereof.
The box spanner of a kind of improved slip-off preventing that the utility model preferred embodiment provides, as accompanying drawing 1, accompanying drawing 2, accompanying drawing 3, accompanying drawing 4, shown in accompanying drawing 5, comprise sleeve 1, described sleeve 1 comprises a polygon cylinder chamber 104, its main points are also to comprise falling stop device, described falling stop device comprises spring bolt mechanism, elastic component 6 and relieving mechanism, on the cylinder chamber wall 102 in described polygon cylinder chamber 104, be formed with the groove 101 that described falling stop device is set, described spring bolt mechanism comprises dead bolt 4, described dead bolt 4 is arranged in groove 101, and be articulated on a chamber wall 102 by its dead bolt rotating shaft 403, the groove 101 corresponding with dead bolt 4 positions connects polygon cylinder cavity wall 103, described elastic component 6 is also arranged in groove 101, described elastic component 6 forms one and acts on described dead bolt 4 upper ends and dead bolt 4 is rotated and projecting inward interior to active force to polygon cylinder chamber 104 around dead bolt rotating shaft 403, described relieving mechanism comprises trip lever 5 and pressing lever 3, described trip lever 5 is articulated with in groove 101 by the lever shaft 501 on it, the resistance rod end of described trip lever 5 acts on described dead bolt 4 upper ends, and described resistance rod end forms to described dead bolt 4 form with described elastic component 6 interior to the contrary export-oriented active force of active force, described pressing lever 3 forms mobile cooperation with the strut kong on cylinder chamber wall 102, and through the inner of described depression bar 3, act on the power arm end of trip lever 5, described dead bolt 4 comprises horizontal blocking surface 402 and guide ramp 401, described guide ramp 401 is towards the open side in described polygon cylinder chamber 104.
In this preferred embodiment, comprise two cover falling stop devices and be separately positioned on a pair of relative cylinder chamber wall 102 in polygon cylinder chamber 104.
In this preferred embodiment, described groove 101 connects cylinder wall 102 outsides, chamber, also comprise that one enters the groove abaculus 7 of groove 101 from cylinder chamber wall 102 outside inlay cards, described groove abaculus 7 forms the some of described cylinder chamber wall 102, described strut kong is formed on described groove abaculus 7, described elastic component 6 is flexure strip, and one end is connected on described groove abaculus 7, and the other end acts on dead bolt 4 upper ends.Such structure is convenient to processing and assembling.
As accompanying drawing 4, shown in accompanying drawing 5, the box spanner of this improved slip-off preventing of this preferred embodiment, when nut 2 enters polygon cylinder chamber 104, nut 2 acts in the guide ramp 401 of dead bolt 4, the horizontal blocking surface 402 of dead bolt 4 is entered in groove 101 completely, nut 2 can enter polygon cylinder chamber 104 smoothly like this, the position that enters polygon cylinder chamber 104 when nut 2 surpasses after horizontal blocking surface 402 height and positions, under the effect of elastic component 6 elastic forces, dead bolt 4 is to projecting inward, nut 2 can not be fallen down, when needs take out nut or bolt, as long as inwardly press pressing lever, under the effect of trip lever, dead bolt returns to again in groove, nut or bolt are fallen,
In sum, the box spanner of a kind of improved slip-off preventing of the present utility model, comprise sleeve, described sleeve comprises a polygon cylinder chamber, characterized by further comprising falling stop device, described falling stop device comprises the spring bolt mechanism in the groove forming on the cylinder chamber wall that is arranged on polygon cylinder chamber, elastic component and relieving mechanism, described elastic component forms one and acts on described dead bolt upper end and dead bolt is rotated and projecting inward interior to active force to polygon cylinder chamber around dead bolt rotating shaft, described relieving mechanism comprises trip lever and pressing lever, the resistance rod end of trip lever acts on dead bolt upper end, described dead bolt comprises horizontal blocking surface and guide ramp, described guide ramp is towards the open side in described polygon cylinder chamber, prior art the utility model has promoted reliability relatively.
Claims (3)
1. the box spanner of an improved slip-off preventing, comprise sleeve, described sleeve comprises a polygon cylinder chamber, characterized by further comprising falling stop device, described falling stop device comprises spring bolt mechanism, elastic component and relieving mechanism, on the cylinder chamber wall in described polygon cylinder chamber, be formed with the groove that described falling stop device is set, described spring bolt mechanism comprises dead bolt, described dead bolt is arranged in groove, and be articulated on a chamber wall by its dead bolt rotating shaft, the groove corresponding with latch bolt position connects polygon cylinder cavity wall, described elastic component is also arranged in groove, and forming one acts on described dead bolt upper end and dead bolt is rotated and projecting inward interior to active force to polygon cylinder chamber around dead bolt rotating shaft, described relieving mechanism comprises trip lever and pressing lever, described trip lever is articulated with in groove by the lever shaft on it, and its resistance rod end acts on described dead bolt upper end, and described resistance rod end forms to described dead bolt form with described elastic component interior to the contrary export-oriented active force of active force, described pressing lever forms mobile cooperation with the strut kong on the wall of cylinder chamber, and through one end of described strut kong, act on the power arm end of trip lever, described dead bolt comprises horizontal blocking surface and guide ramp, described guide ramp is towards the open side in described polygon cylinder chamber.
2. the box spanner of a kind of improved slip-off preventing according to claim 1, is characterized in that comprising two cover falling stop devices and is separately positioned on a pair of relative cylinder chamber wall in polygon cylinder chamber.
3. the box spanner of a kind of improved slip-off preventing according to claim 1 and 2, it is characterized in that described groove connects wall outside, cylinder chamber, also comprise that one enters the groove abaculus of groove from inlay card outside the wall of cylinder chamber, described groove abaculus forms the some of described cylinder chamber wall, described strut kong is formed on described groove abaculus, described elastic component is flexure strip, and described elastic component one end is connected on described groove abaculus, and the other end acts on dead bolt upper end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320524362.1U CN203426926U (en) | 2013-08-27 | 2013-08-27 | Improved falling-preventing socket wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320524362.1U CN203426926U (en) | 2013-08-27 | 2013-08-27 | Improved falling-preventing socket wrench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203426926U true CN203426926U (en) | 2014-02-12 |
Family
ID=50055986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320524362.1U Expired - Fee Related CN203426926U (en) | 2013-08-27 | 2013-08-27 | Improved falling-preventing socket wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203426926U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108907696A (en) * | 2018-09-28 | 2018-11-30 | 珠海格力智能装备有限公司 | Nut locking mechanism and nut mounting equipment with same |
-
2013
- 2013-08-27 CN CN201320524362.1U patent/CN203426926U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108907696A (en) * | 2018-09-28 | 2018-11-30 | 珠海格力智能装备有限公司 | Nut locking mechanism and nut mounting equipment with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140212 Termination date: 20150827 |
|
| EXPY | Termination of patent right or utility model |