CN2756607Y - Self locking device for hoist machinery control handle - Google Patents
Self locking device for hoist machinery control handle Download PDFInfo
- Publication number
- CN2756607Y CN2756607Y CN 200420082535 CN200420082535U CN2756607Y CN 2756607 Y CN2756607 Y CN 2756607Y CN 200420082535 CN200420082535 CN 200420082535 CN 200420082535 U CN200420082535 U CN 200420082535U CN 2756607 Y CN2756607 Y CN 2756607Y
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- CN
- China
- Prior art keywords
- self
- rod
- self locking
- locking
- joystick
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- Expired - Fee Related
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Abstract
The utility model provides a self locking device for a hoist machinery control handle, which relates to the field of hoist machinery, particularly the self locking device for the hoist machinery control handle. The utility model solves that the phenomenon that internal walls of a self locking rod and an operation rod are clamped and stop happens easily in the process of the actual use of the existing self locking device for the hoist machinery control handle. The utility model has adopted technical measures that the self locking device for the hoist machinery control handle comprises a hollow operation rod, a self locking rod and a self locking plate, wherein the self locking rod is arranged in the operation rod; a self locking plate is provided with a self locking hole. The utility model is characterized in that self locking rod comprises a segment of elastic material and a self locking rod head.
Description
Technical field
The utility model relates to a kind of elevator machinery, relates in particular to a kind of self-locking device of elevator machinery bar handle.
Background technology
Elevator machinery can be applicable to multiple occasion, and it is mobile that it can replace manpower that weight is carried.The weight of carrying because of elevator machinery is heavier relatively, for preventing accident, all is provided with self-locking mechanism on the elevator machinery bar handle, to avoid maloperation.The self-locking device of existing elevator machinery bar handle mainly is made up of the joystick of hollow, self-lock rod and the self-locking plate of being located in the joystick.Wherein, self-lock rod is an elongated body of rod, is located in the joystick, the upper end of self-lock rod is provided with compression spring, under the effect of operator's hand, self-lock rod slides up and down in joystick, thereby realizes that self-lock rod inserts or break away from the self-locking lockhole of self-locking plate, self-lock rod is inserted in the self-locking hole, just can realize the self-locking of bar handle, at this moment, bar handle can not carry out the operation of front, rear, left and right, self-lock rod breaks away from self-locking hole, and bar handle can freely be operated arbitrarily.In order to make self-locking mechanism play truly locking when the self-locking, gap between self-lock rod and the joystick often is set to very little, the bar handle that has this self-locking device, find in actual use, self-lock rod slides insensitive in joystick, tend to take place the catching phenomenon of self-lock rod and joystick, influenced the alerting ability of workman's manipulation handle.This is because self-lock rod and joystick generally all are cold drawn making, be difficult to guarantee that the external diameter of self-lock rod and the internal diameter of joystick all are consistent at each section, therefore parallelism between the two just is difficult to guarantee that the gap between self-lock rod and the joystick is very little in addition, thereby has caused the generation of catching phenomenon.In addition, joystick is often also deforming in the use easily, can further aggravate the clamping stagnation between self-lock rod and the joystick after the distortion.
Summary of the invention
For overcoming the defective of existing elevator machinery bar handle, the utility model technical issues that need to address are: the elevator machinery bar handle self-locking device that a kind of new structure is provided, it has the advantage of flexible and convenient operation, in actual use, the catching phenomenon between rare self-lock rod and the joystick.
For solveing the technical problem, the technical scheme that the utility model is taked is: a kind of elevator machinery bar handle self-locking device, comprise hollow joystick, be located at the self-lock rod in the joystick and have the self-locking plate of self-locking hole, it is characterized in that: described self-lock rod comprises one section elastomeric material and self-locking body of rod head.Elastomeric material and self-locking body of rod head link together, and when the bar handle self-locking, self-locking body of rod head is inserted in the self-locking hole of self-locking plate.Elastomeric material is rubber, plastics or tie wire, because this elastic-like material is easy to flexural deformation, therefore, when each section of diameter of bore of joystick is inconsistent, elastomeric material will occur bending and deformation in joystick, to adapt to joystick inwall fitfull situation, thereby help eliminating the joystick inwall and act on axial shearing force on the self-lock rod, avoided the generation of the catching phenomenon between joystick and the self-lock rod effectively, increased the alerting ability of bar handle work, both reach purpose of safety, do not influenced actual operation again.
As preferably, described elastomeric material is located at the stage casing of the self-locking body of rod.Though catching phenomenon may take place in joystick and self-lock rod, but joystick acts on deformation force on the self-lock rod and is embodied in self-locking body of rod in-to-in stress and often concentrates on body of rod stage casing, be provided with elastomeric material in self-lock rod body of rod stage casing, help eliminating body of rod in-to-in stress, avoided the generation of the catching phenomenon between joystick and the self-lock rod effectively.
As preferably, the self-lock rod base portion is an elastomeric material.Elastomeric material is provided with very longly, can eliminate the joystick inwall to greatest extent and act on shearing force on the self-lock rod body of rod.
As preferably, described elastomeric material is non-dismountable the connection with the self-locking body of rod.Can connect with methods such as bolt, welding between the elastomeric material and the self-locking body of rod, the complex structure that can cause the junction with modes of removably connecting such as bolts, in order to make the simple in structure of junction, the elastomeric material and the self-locking body of rod are easy to assembly quick, can use cold rolling mode to make it to link together, for when elastomeric material is tie wire, band can be with the mode of welding they weld togethers.After with non-removable connection mode both being connected, can guarantee bar handle stability in use.
Therefore, the beneficial effects of the utility model: on the self-lock rod body of rod, be provided with one section elastomeric material, help eliminating the joystick inwall and act on axial shearing force on the self-lock rod body of rod, avoided the generation of the catching phenomenon between joystick and the self-lock rod effectively, increased the alerting ability of bar handle work, both reach purpose of safety, do not influenced actual operation again; Elastomeric material is arranged on the stage casing of the self-lock rod body of rod, helps eliminating body of rod in-to-in stress, avoided the generation of the catching phenomenon between joystick and the self-lock rod effectively; Elastomeric material is provided with very longly, can eliminate the joystick inwall to greatest extent and act on shearing force on the self-lock rod body of rod; Be connected to non-dismountable connection between the elastomeric material and the body of rod, can make the junction simple in structure, the elastomeric material and the self-locking body of rod are easy to assembly quick, also can guarantee the stability in use of bar handle simultaneously in use.
Description of drawings
Fig. 1 is the bar handle section-drawing that has the utility model self-locking device.
The specific embodiment
Fig. 1 illustrates, and the self-lock rod body of rod is located in the joystick 2 of hollow, and the self-lock rod upper end is located in the handle, which is provided with spring, and handle is split type.Be provided with one section elastomeric material 3 at the middle part of self-lock rod, the bottom that self-locking body of rod head 4 is established elastomeric material 3, the connection mode of itself and elastomeric material 3 is detachable or non-dismountable formula, for making the simple in structure, convenient and swift when connecting of junction, preferably adopts non-removable mode to connect.
As can be seen from the figure, the base portion of the self-lock rod body of rod is an elastomeric material 3, it can be rubber, plastics or tie wire, the joystick inwall acts on the power on the self-lock rod body of rod in the time of can reducing the self-lock rod body of rod so effectively and slide in joystick 2, even corrosion a little takes place in joystick inside, can in joystick, not slide yet and bring big influence, increase the alerting ability of manipulation handle the self-lock rod body of rod.
Be provided with the self-locking plate 5 of band self-locking hole in the bottom of self-lock rod body of rod head 4, self-lock rod can be inserted in the self-locking hole under the effect of hand or break away from self-locking hole.
Claims (4)
1, a kind of elevator machinery bar handle self-locking device, comprise hollow joystick, be located at the self-lock rod in the joystick and have the self-locking plate of self-locking hole, it is characterized in that: described self-lock rod comprises one section elastomeric material (3) and self-locking body of rod head (4), self-locking body of rod head (4) and elastomeric material (3) link, and self-locking body of rod head (4) can insert in the self-locking hole on the self-locking plate with gap.
2, elevator machinery bar handle self-locking device according to claim 1, it is characterized in that: described elastomeric material (3) is located at the stage casing of the self-lock rod body of rod.
3, elevator machinery bar handle self-locking device according to claim 1 and 2 is characterized in that: the base portion of the described self-lock rod body of rod is elastomeric material (3).
4, elevator machinery bar handle self-locking device according to claim 3 is characterized in that: described elastomeric material (3) is non-dismountable the connection with the body of rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420082535 CN2756607Y (en) | 2004-08-31 | 2004-08-31 | Self locking device for hoist machinery control handle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420082535 CN2756607Y (en) | 2004-08-31 | 2004-08-31 | Self locking device for hoist machinery control handle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2756607Y true CN2756607Y (en) | 2006-02-08 |
Family
ID=35964993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420082535 Expired - Fee Related CN2756607Y (en) | 2004-08-31 | 2004-08-31 | Self locking device for hoist machinery control handle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2756607Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102821997A (en) * | 2010-04-01 | 2012-12-12 | 宝马格有限公司 | Gas-actuated device for soil compacting machine and soil compacting machine having such gas-actuated device |
| CN105152022A (en) * | 2015-10-29 | 2015-12-16 | 山东英才学院 | Tower crane self-locking linkage table |
-
2004
- 2004-08-31 CN CN 200420082535 patent/CN2756607Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102821997A (en) * | 2010-04-01 | 2012-12-12 | 宝马格有限公司 | Gas-actuated device for soil compacting machine and soil compacting machine having such gas-actuated device |
| CN105152022A (en) * | 2015-10-29 | 2015-12-16 | 山东英才学院 | Tower crane self-locking linkage table |
| CN105152022B (en) * | 2015-10-29 | 2017-02-01 | 山东英才学院 | Tower crane self-locking linkage table |
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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: 20060208 Termination date: 20110831 |