CN213117002U - Quick telescopic link of convenient locking - Google Patents
Quick telescopic link of convenient locking Download PDFInfo
- Publication number
- CN213117002U CN213117002U CN202021600778.3U CN202021600778U CN213117002U CN 213117002 U CN213117002 U CN 213117002U CN 202021600778 U CN202021600778 U CN 202021600778U CN 213117002 U CN213117002 U CN 213117002U
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- China
- Prior art keywords
- locking
- telescopic
- pipe
- telescopic pipe
- button
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Abstract
The utility model relates to a telescopic link technical field especially relates to a quick telescopic link of convenient locking, it includes anterior flexible pipe, the flexible pipe in middle part, the flexible pipe in rear part, drive mechanism and locking mechanism, drive mechanism includes the guide pulley mounting bracket, guide pulley and draw runner, anterior flexible pipe rear portion is connected through the connecting pipe with the flexible pipe front portion in middle part, the one end and the stop collar rigid coupling of draw runner, the other end is walked around behind the guide pulley and anterior flexible pipe rear end rigid coupling, locking mechanism includes the limiting plate, the handle, locking board and spring, a plurality of spacing grooves have been seted up on the limiting plate, the locking board includes the button, connecting plate and latch hook, the button is located the button opening part of handle, the connecting plate passes from the connecting pipe for the arc, the latch hook card is on the spacing groove of. The utility model provides a telescopic link simple structure, flexible operation is laborsaving fast and convenient locking and unblock.
Description
Technical Field
The utility model relates to a telescopic link technical field especially relates to a quick telescopic link of convenient locking.
Background
The telescopic link is the installation member that each field often used, can install the tip at the telescopic link with various instruments, realize corresponding processing or operation to reach bigger home range, traditional telescopic link is flexible need one section of a lesson outwards extract or shrink, and is more time-consuming and energy-consuming, and contracts by oneself easily when the telescopic link bears great external force, though also there is the telescopic link now to have locking mechanism, but its locking mechanism structure is more complicated, and the operation is wasted time and energy.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a simple structure is provided, flexible operation is laborsaving fast and convenient locking and the quick telescopic link of unblock conveniently locks.
The utility model discloses a realize through following technical scheme:
the quick telescopic rod convenient to lock comprises a front telescopic pipe, a middle telescopic pipe, a rear telescopic pipe, a traction mechanism and a locking mechanism, wherein the diameter of the rear telescopic pipe is larger than that of the middle telescopic pipe, the diameter of the middle telescopic pipe is larger than that of the front telescopic pipe, the rear part of the middle telescopic pipe is installed in the rear telescopic pipe in a sliding mode through a limiting sleeve, the traction mechanism comprises a guide wheel installation frame, a guide wheel and a sliding strip, the guide wheel installation frame is fixedly installed at the rear end part of the middle telescopic pipe and slides along the inner diameter of the rear telescopic pipe, the guide wheel and the sliding strip are installed on the guide wheel installation frame, the rear part of the front telescopic pipe is connected with the front part of the middle telescopic pipe in a sliding mode through a connecting pipe, one end of the sliding strip is fixedly connected with, The handle, the locking plate and the spring are fixedly sleeved outside the connecting pipe and the front telescopic pipe, a plurality of limiting grooves are formed in the limiting plate, a button opening is formed in the end portion of the handle, the locking plate comprises a button, a connecting plate and a lock hook which are fixedly connected in sequence, the button is located at the button opening of the handle, the connecting plate penetrates through the front telescopic pipe to reach the opposite side of the button in an arc shape, the lock hook is clamped on the limiting groove of the limiting plate, one end of the spring is fixedly connected with the handle, and the other end of the spring is fixedly connected with the lock.
Further, the handle is divided into an upper part and a lower part which are fixedly connected through a bolt.
Preferably, the locking plate is of an integrated structure.
Furthermore, the fixed cover of the tip of anterior flexible pipe is equipped with the installation head, installs the overhead installation cover that is equipped with through the pin hinge, and the front end of installation cover is equipped with the installation department, is equipped with the external screw thread on the installation department.
Furthermore, a plug is clamped at the rear end part of the rear telescopic tube.
Preferably, the front telescopic pipe, the middle telescopic pipe and the rear telescopic pipe are special pipes which are matched with each other.
Beneficial effects of the utility model
When the extension state needs to retract, only one hand is required to hold the rear telescopic tube, the other hand is required to hold the handle and press the button inwards, the spring is compressed, the lock hook is separated from the limiting groove of the limiting plate, unlocking can be achieved, then the telescopic tube is compressed in the opposite direction, under the action of the traction mechanism, the front telescopic tube retracts towards the inside of the middle telescopic tube, the middle telescopic tube retracts towards the inside of the rear telescopic tube, quick retraction of the telescopic tube is achieved, unlocking is convenient, and time and labor are saved. When the hook is contracted in place and no external force is applied, the button is loosened, and the lock hook moves towards the limiting plate under the action of the restoring force of the spring until the hook is clamped on the limiting groove to realize locking, so that the hook is prevented from freely stretching;
when the telescopic rod needs to extend out in a retraction state, the rear telescopic tube is held by one hand, the handle is held by the other hand, the button is pressed inwards, the lock hook is separated from the limiting groove of the limiting plate, after unlocking is achieved, the telescopic tube is stretched in the opposite direction, the front telescopic tube is pulled out from the middle telescopic tube, due to the arrangement of the traction mechanism, when the front telescopic tube is pulled out from the middle telescopic tube, the middle telescopic tube is pulled out from the rear telescopic tube, time and labor are saved, after external force is not applied after stretching in place, the button is loosened, the lock hook can move in the spring restoring force direction until being clamped on the limiting groove to achieve locking, and free stretching is prevented.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional structural schematic view of the traction mechanism;
FIG. 3 is a schematic cross-sectional view of the locking mechanism;
FIG. 4 is a schematic cross-sectional view of the mounting head;
in the figure, 1, a plug, 2, a rear telescopic tube, 3, a middle telescopic tube, 4, a handle, 5, a front telescopic tube, 6, a pin, 7, an installation part, 8, an installation sleeve, 9, an installation head, 10, a button, 11, a guide wheel installation frame, 12, a guide wheel, 13, a connecting tube, 14, a sliding strip, 15, a connecting piece, 16, a limiting groove, 17, a spring, 18, a lock hook, 19, a limiting plate and 20, a limiting sleeve are arranged.
Detailed Description
A quick telescopic rod convenient to lock comprises a front telescopic tube 5, a middle telescopic tube 3, a rear telescopic tube 2, a traction mechanism and a locking mechanism, wherein the diameter of the rear telescopic tube is larger than that of the middle telescopic tube, the diameter of the middle telescopic tube is larger than that of the front telescopic tube, the middle telescopic tube can retract into the rear telescopic tube when the middle telescopic tube retracts, and the front telescopic tube can retract into the middle telescopic tube.
The middle telescopic pipe is slidably mounted in the rear telescopic pipe through a limiting sleeve 20, so that the middle telescopic pipe can freely slide in the rear telescopic pipe but cannot be separated from the rear telescopic pipe.
The traction mechanism comprises a guide wheel mounting frame 11, a guide wheel 12 and a slide bar 14, wherein the guide wheel mounting frame is fixedly mounted at the rear end part of the middle telescopic pipe and slides along the inner diameter of the rear telescopic pipe, the guide wheel 12 and the slide bar 14 are mounted on the guide wheel mounting frame, the rear part of the front telescopic pipe is connected with the front part of the middle telescopic pipe in a sliding mode through a connecting pipe 13, one end of the slide bar is fixedly connected with a limiting sleeve, the other end of the slide bar is fixedly connected with a connecting piece 15 sleeved at the rear end part of the front telescopic pipe after bypassing the guide wheel, the middle telescopic pipe is retracted into the middle telescopic pipe while the front telescopic pipe is retracted into the middle telescopic pipe, or the middle telescopic pipe is stretched from the.
Locking mechanism includes limiting plate 19, fixed suit of fixed mounting on anterior flexible pipe in handle 4, locking plate and the spring 17 outside connecting pipe and anterior flexible pipe, a plurality of spacing grooves 16 have been seted up on the limiting plate, the handle tip is equipped with the button opening, the locking plate is including fixed connection's in proper order button 10, connecting plate (not shown) and latch hook 18, the button is located the button opening part of handle, the connecting plate passes the arrival button face to face for the arc outside the anterior flexible pipe, the latch hook card is on the spacing groove of limiting plate, spring one end and handle fixed connection, the other end and latch hook fixed connection just can make latch hook and spacing groove break away from as long as press the button, realize locking mechanism's unblock, loosen the button, under the effect of spring restoring force, promote the latch hook to realize automatic locking to the spacing groove direction removal.
Further, the handle is divided into an upper part and a lower part which are fixedly connected through a bolt, so that the handle and the locking mechanism can be conveniently disassembled and assembled.
Optimized, the locking plate is of an integrated structure, convenient to process and stable and reliable in structure.
Furthermore, the fixed cover of the tip of anterior flexible pipe is equipped with installation head 9, installs overhead installation cover 8 through the hinge of pin 6, and the front end of installation cover is equipped with installation department 7, is equipped with the external screw thread on the installation department, and various instruments of easy to assemble realize corresponding operation to can adjust corresponding angle.
Further, the rear end part of the rear telescopic tube is clamped with a plug 1 to prevent the guide wheel mounting frame from sliding out of the rear end part of the rear telescopic tube.
Optimally, the front telescopic pipe, the middle telescopic pipe and the rear telescopic pipe are special pipes which are matched with each other, and after the special pipes are matched with each other, the telescopic pipes cannot rotate relatively in the telescopic process.
When the telescopic rod needs to retract in an extending state, only one hand is required to hold the rear telescopic tube, the other hand is required to hold the handle and press the button inwards, the spring is compressed, the lock hook is separated from the limiting groove of the limiting plate, unlocking can be achieved, then the telescopic tube is compressed in the opposite direction, under the action of the traction mechanism, the front telescopic tube retracts towards the inside of the middle telescopic tube, the middle telescopic tube retracts towards the inside of the rear telescopic tube, quick retraction of the telescopic tube is achieved, unlocking is convenient, and time and labor are saved. When the hook is contracted in place and no external force is applied, the button is loosened, and the lock hook moves towards the limiting plate under the action of the restoring force of the spring until the hook is clamped on the limiting groove to realize locking, so that the hook is prevented from freely stretching;
when the telescopic rod needs to extend out in a retraction state, the rear telescopic tube is held by one hand, the handle is held by the other hand, the button is pressed inwards, the lock hook is separated from the limiting groove of the limiting plate, after unlocking is achieved, the telescopic tube is stretched in the opposite direction, the front telescopic tube is pulled out from the middle telescopic tube, due to the arrangement of the traction mechanism, when the front telescopic tube is pulled out from the middle telescopic tube, the middle telescopic tube is pulled out from the rear telescopic tube, time and labor are saved, after external force is not applied after stretching in place, the button is loosened, the lock hook can move in the spring restoring force direction until being clamped on the limiting groove to achieve locking, and free stretching is prevented.
To sum up, the utility model discloses a convenient quick telescopic link of locking, simple structure, flexible operation is laborsaving fast and convenient locking and unblock.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The quick telescopic rod convenient to lock is characterized by comprising a front telescopic pipe, a middle telescopic pipe, a rear telescopic pipe, a traction mechanism and a locking mechanism, wherein the diameter of the rear telescopic pipe is larger than that of the middle telescopic pipe, the diameter of the middle telescopic pipe is larger than that of the front telescopic pipe, the rear part of the middle telescopic pipe is slidably installed in the rear telescopic pipe through a limiting sleeve, the traction mechanism comprises a guide wheel installation frame, a guide wheel and a sliding strip, the guide wheel installation frame is fixedly installed at the rear end part of the middle telescopic pipe and slides along the inner diameter of the rear telescopic pipe, the guide wheel installation frame is installed on the guide wheel installation frame, the rear part of the front telescopic pipe is slidably connected with the front part of the middle telescopic pipe through a connecting pipe, one end of the sliding strip is fixedly connected with the limiting sleeve, the other end of, The handle, the locking plate and the spring are fixedly sleeved outside the connecting pipe and the front telescopic pipe, a plurality of limiting grooves are formed in the limiting plate, a button opening is formed in the end portion of the handle, the locking plate comprises a button, a connecting plate and a lock hook which are fixedly connected in sequence, the button is located at the button opening of the handle, the connecting plate penetrates through the front telescopic pipe to reach the opposite side of the button in an arc shape, the lock hook is clamped on the limiting groove of the limiting plate, one end of the spring is fixedly connected with the handle, and the other end of the spring is fixedly connected with the lock.
2. The quick telescopic rod convenient for locking according to claim 1, wherein the handle is divided into an upper part and a lower part, and the upper part and the lower part are fixedly connected through a bolt.
3. The quick telescopic rod convenient for locking of claim 2, wherein the locking plate is of a one-piece structure.
4. The quick telescopic rod for conveniently locking as claimed in claim 1, wherein the front telescopic tube has an end fixed with a mounting head, the mounting head is hinged with a mounting sleeve by a pin, the front end of the mounting sleeve is provided with a mounting part, and the mounting part is provided with an external thread.
5. The quick telescopic rod convenient for locking as claimed in claim 1, wherein the rear end of the rear telescopic tube is clamped with a plug.
6. The quick telescopic rod convenient for locking according to claim 1 is characterized in that the front telescopic tube, the middle telescopic tube and the rear telescopic tube are mutually matched special tubes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021600778.3U CN213117002U (en) | 2020-08-05 | 2020-08-05 | Quick telescopic link of convenient locking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021600778.3U CN213117002U (en) | 2020-08-05 | 2020-08-05 | Quick telescopic link of convenient locking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213117002U true CN213117002U (en) | 2021-05-04 |
Family
ID=75682416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021600778.3U Expired - Fee Related CN213117002U (en) | 2020-08-05 | 2020-08-05 | Quick telescopic link of convenient locking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213117002U (en) |
-
2020
- 2020-08-05 CN CN202021600778.3U patent/CN213117002U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210504 Termination date: 20210805 |