CN211648692U - Locking device for telescopic rod - Google Patents
Locking device for telescopic rod Download PDFInfo
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- CN211648692U CN211648692U CN202020274620.5U CN202020274620U CN211648692U CN 211648692 U CN211648692 U CN 211648692U CN 202020274620 U CN202020274620 U CN 202020274620U CN 211648692 U CN211648692 U CN 211648692U
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- pressing block
- switch
- locking device
- wrench
- wrench switch
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Abstract
The utility model discloses a locking device for telescopic link, include: the pressing block is clamped on the outer pipe, the connecting piece is sleeved on the outer side of the outer pipe, the rotating end of the wrench switch is rotatably arranged on the outer side of the connecting piece, the inner pipe is further arranged inside the outer pipe, and the pressing block is in contact with the outer side face of the inner pipe; the spanner switch controls the briquetting to compress or loosen the inner tube, and is configured as follows: the wrench switch is pressed downwards, the wrench switch presses the pressing block downwards, and the pressing block positions the inner pipe, so that the inner pipe cannot rotate or stretch; the wrench switch is lifted upwards, the wrench switch does not contact the pressing block, and the pressing block does not contact the inner pipe under stress. The utility model discloses a spanner switch comes the length of telescopic link to be fixed, easy operation, makes things convenient for one-hand operation, and the briquetting withstands the inner tube and does not skid when pinning, and arbitrary length in the telescopic range is all adjustable, and overall structure is simple, the convenient manufacturing.
Description
Technical Field
The utility model relates to a telescopic link technical field, concretely relates to locking device for telescopic link.
Background
In order to reduce the volume during transportation and storage, many existing push rods or operation rods are designed into two or more sections which can be extended and retracted, so that when the push rods are extended, a locking mechanism is needed to lock the relative positions of the two push rods.
The Chinese invention patent CN104564939A discloses a locking device, a telescopic rod and a mower applying the locking device, the locking device comprises an operating wrench, a base and a repulsion force generating element, the operating wrench has an unlocking position and a locking position relative to the base, the repulsion force generating element is arranged between a seat and the operating wrench and can generate a repulsion force, and the operating wrench is acted by the repulsion force in the process of moving from the unlocking position to the locking position; the locking device further comprises a pivot, the pivot is arranged on the base, a locking piece is arranged at one end of the operating wrench, and the locking piece rotates around the pivot between a releasing position and a locking position relative to the base; the other end of the operating wrench, which is opposite to the locking piece, is provided with a friction part, and when the operating wrench rotates to the locking position, the friction part is tightly matched with the outer wall of the base. However, this locking device has the following disadvantages: the structure is complex, which is not beneficial to practical production and application.
In view of the above, there is a need for an improved locking device to simplify the structure and facilitate manufacturing.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that current locking device structure is complicated.
In order to solve the technical problem, the utility model provides a technical scheme who adopts provides a locking device for telescopic link, include: the pressing block is clamped on the outer pipe, the connecting piece is sleeved on the outer side of the outer pipe, the rotating end of the wrench switch is rotatably arranged on the outer side of the connecting piece, an inner pipe is further arranged inside the outer pipe, and the pressing block is in contact with the outer side face of the inner pipe;
the wrench switch controls the pressing block to press or loosen the inner pipe, and is configured to:
the wrench switch is pressed downwards, the press block is pressed downwards by the wrench switch, and the press block positions the inner pipe to enable the inner pipe to be incapable of rotating or stretching;
and lifting the wrench switch, wherein the wrench switch does not contact the pressing block, and the pressing block does not contact the inner pipe under stress.
In the scheme, one side of the connecting piece is provided with a groove matched with the wrench switch, and the rotating end of the wrench switch is rotatably arranged in the groove and is positioned through the pin.
In the above scheme, a protruding part is arranged on the inner side of the rotating end of the wrench switch and used for pressing down the pressing block.
In the above scheme, the pressing block is made of an elastic material, and a plurality of salient points are arranged on the upper surface of the pressing block.
In the above scheme, a lining is arranged between the outer pipe and the inner pipe corresponding to the connecting piece.
In the above scheme, the outer tube and the inner liner are provided with notches matched with the pressing block.
In the above scheme, the upper end of the pressing block protrudes outwards and is clamped in the connecting piece.
In the above scheme, the pressing block can be positioned at any position of the inner pipe.
Compared with the prior art, the utility model discloses a spanner switch comes the length of telescopic link to be fixed, easy operation, and convenient one-hand operation withstands the inner tube and does not skid when pinning the briquetting, and arbitrary length in the flexible within range is all adjustable, and overall structure is simple, convenient manufacturing.
Drawings
Fig. 1 is a schematic exploded view of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
fig. 3 is a cross-sectional view of the position of the wrench switch of the present invention.
Detailed Description
The utility model provides a locking device for telescopic link. The whole structure is simple and can be operated by one hand. The invention is described in detail below with reference to the drawings and the detailed description.
As shown in fig. 1-3, the utility model provides a locking device for telescopic link, include: a spanner switch 10, a pressing block 20 and a connecting piece 30.
The briquetting 20 block is on outer tube 40, and the connecting piece 30 is established to the outside cover of outer tube 40, and the rotation end of spanner switch 10 rotates and sets up in the outside of connecting piece 40, and the inside of outer tube 40 still is equipped with inner tube 41, and the lateral surface of briquetting 20 contact inner tube 41.
The wrench switch 10 controls the pressing block 20 to press or loosen the inner tube 41, and is configured to: the wrench switch 10 is pressed downwards, the wrench switch 10 presses the pressing block 20 downwards, and the pressing block 20 positions the inner tube 41, so that the inner tube 41 cannot rotate or stretch; the wrench switch 10 is lifted, the wrench switch 10 does not contact the pressing block 20, and the pressing block 20 does not contact the inner tube 41 under the stress.
The utility model discloses a spanner switch 10 comes the length of telescopic link to be fixed, easy operation, makes things convenient for one-hand operation, and briquetting 20 withstands inner tube 41 and does not skid when spanner switch 10 locks, and arbitrary length in the flexible within range is all adjustable.
One side of the connecting piece 30 is provided with a groove matched with the wrench switch 10, and the rotating end of the wrench switch 10 is rotatably arranged in the groove and positioned by the pin 31, so that the whole structure is simple, the fixing effect is good, and the production and the manufacture are convenient.
The inner side of the rotating end of the wrench switch 10 is provided with a protrusion for pressing the pressing block 20 downward, so that the pressing block 20 is pressed and fixed on the inner tube 41.
The pressing block 20 is made of elastic material, a plurality of salient points are arranged on the upper surface of the pressing block, and when the wrench switch 10 is pressed down, the salient points of the pressing block 20 are pressed down by the protruding parts, so that the pressing block 20 generates elastic deformation to press the outer side wall of the inner tube 41.
An inner lining 42 is arranged between the outer pipe 40 and the inner pipe 41 corresponding to the position of the connecting piece 30, and the inner lining 42 fills the gap between the outer pipe 40 and the inner pipe 41, so that the inner pipe 41 does not slip after being fixed.
The outer tube 40 and the inner liner 42 are provided with notches adapted to the press block 20 so that the lower end of the press block can contact the inner tube 41.
The upper end of the pressing block 20 protrudes outwards and is clamped in the connecting piece 30 to fix the two sides of the pressing block 20, and the pressing block 20 can be positioned at any position of the inner pipe 41 to realize that any length in a telescopic range can be adjusted.
The utility model discloses a spanner switch comes the length of telescopic link to be fixed, easy operation, makes things convenient for one-hand operation, and the briquetting withstands the inner tube and does not skid when pinning, and arbitrary length in the telescopic range is all adjustable, and overall structure is simple, the convenient manufacturing.
The present invention is not limited to the above-mentioned preferred embodiments, and any person should know the structural changes made under the teaching of the present invention, and all the changes have the same or similar technical solution as the present invention, and all fall into the protection scope of the present invention.
Claims (8)
1. A locking device for a telescopic rod, comprising: the wrench switch, the pressing block and the connecting piece are characterized in that the pressing block is clamped on the outer tube, the connecting piece is sleeved on the outer side of the outer tube, the rotating end of the wrench switch is rotatably arranged on the outer side of the connecting piece, an inner tube is further arranged inside the outer tube, and the pressing block is in contact with the outer side face of the inner tube;
the wrench switch controls the pressing block to press or loosen the inner pipe, and is configured to:
the wrench switch is pressed downwards, the press block is pressed downwards by the wrench switch, and the press block positions the inner pipe to enable the inner pipe to be incapable of rotating or stretching;
and lifting the wrench switch, wherein the wrench switch does not contact the pressing block, and the pressing block does not contact the inner pipe under stress.
2. The locking device for the telescopic rod according to claim 1, wherein a groove matched with the wrench switch is formed in one side of the connecting piece, and a rotating end of the wrench switch is rotatably arranged in the groove and is positioned through a pin.
3. The locking device for the telescopic rod according to claim 1, wherein a protrusion is provided on an inner side of the rotation end of the wrench switch for pressing down the pressing block.
4. The locking device of claim 1, wherein the pressing block is made of an elastic material, and a plurality of protrusions are formed on an upper surface of the pressing block.
5. The locking device for the telescopic rod according to claim 1, wherein a lining is provided between the outer tube and the inner tube at a position corresponding to the connecting member.
6. The locking device for the telescopic rod according to claim 5, wherein the outer tube and the inner liner are provided with notches matched with the pressing block.
7. The locking device for a telescopic rod according to claim 1, wherein an upper end of the pressing piece protrudes outward and is engaged in the connecting member.
8. The locking device for a telescopic rod according to claim 1, wherein the pressing block is positionable at any position of the inner tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020274620.5U CN211648692U (en) | 2020-03-06 | 2020-03-06 | Locking device for telescopic rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020274620.5U CN211648692U (en) | 2020-03-06 | 2020-03-06 | Locking device for telescopic rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211648692U true CN211648692U (en) | 2020-10-09 |
Family
ID=72687408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020274620.5U Active CN211648692U (en) | 2020-03-06 | 2020-03-06 | Locking device for telescopic rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211648692U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115257492A (en) * | 2022-07-27 | 2022-11-01 | 东风汽车集团股份有限公司 | Device for forming independent space for passenger car cabin and passenger car |
-
2020
- 2020-03-06 CN CN202020274620.5U patent/CN211648692U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115257492A (en) * | 2022-07-27 | 2022-11-01 | 东风汽车集团股份有限公司 | Device for forming independent space for passenger car cabin and passenger car |
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