CN217633295U

CN217633295U - Gear-free and level-shifting locking mechanism for telescopic pipe

Info

Publication number: CN217633295U
Application number: CN202221436310.4U
Authority: CN
Inventors: 王旭飞
Original assignee: Zhejiang Mingbang Technology Co ltd
Current assignee: Zhejiang Mingbang Technology Co ltd
Priority date: 2022-06-08
Filing date: 2022-06-08
Publication date: 2022-10-21
Anticipated expiration: 2032-06-08

Abstract

The utility model discloses bracing piece with adjustable height in to prior art has the drawback of potential safety hazard because of setting up independent locking structure, provides a flexible pipe does not have gear shift locking mechanism, belongs to flexible pipe technical field, establish the interior pole in the outer tube including outer tube and cover, the fixed mount pad that is equipped with on the outer tube, the activity is equipped with first locking piece and second locking piece on the mount pad, still is equipped with the automatic locking subassembly that is used for controlling interior pole of first locking piece automatic locking and is used for controlling the manual locking subassembly of pole in the manual locking of first locking piece on the mount pad. The utility model discloses an automatic locking Assembly who sets up can realize the automatic locking to interior pole, and the manual locking Assembly who sets up can realize the manual locking of pole in with through the mode of manual locking, plays the effect of dual locking, uses more safely, convenient operation.

Description

Gear-free and level-shifting locking mechanism for telescopic pipe

Technical Field

The utility model belongs to the technical field of flexible pipe, concretely relates to flexible pipe does not have fender gear shifting locking mechanism.

Background

Scooter, bassinet are one of the commonly used sports apparatus of children, and in order to facilitate the adjustment, the bracing piece on this type of sports apparatus generally all can set up to height-adjustable festival to through setting up dedicated locking structure, accomplish the state locking to the bracing piece, current height-adjustable's bracing piece generally tightly is equipped with a locking structure, if touch because of carelessness when playing and lead to the locking structure unblock, can produce certain potential safety hazard.

Disclosure of Invention

The utility model discloses bracing piece with adjustable height among the prior art provides a flexible pipe does not have to keep off locking mechanism of transferring grades because of setting up the drawback that there is the potential safety hazard in individual locking structure, and this flexible pipe does not have to keep off locking mechanism of transferring grades and is provided with automatic locking Assembly and manual locking Assembly, can play the effect of dual locking, uses more safely.

The invention aims to be realized by the following technical scheme: the utility model provides a flexible pipe does not have fender gear shift locking mechanism, includes that outer tube and cover establish the interior pole in the outer tube, the fixed mount pad that is equipped with on the outer tube, the activity is equipped with first locking piece and second locking piece on the mount pad, still is equipped with the automatic locking subassembly that is used for controlling the interior pole of the automatic locking of first locking piece and is used for controlling the manual locking subassembly that locks the interior pole of first locking piece on the mount pad. In the above scheme, the automatic locking subassembly that sets up can realize the automatic locking between interior pole and the outer tube, and the manual locking subassembly that sets up can realize the locking between interior pole and the outer tube through the mode of manual locking, plays the effect of dual locking, and it is more safe to use.

Preferably, the automatic locking assembly comprises an automatic locking module capable of automatically driving the inner rod locked by the first locking block and a manual unlocking module used for manually unlocking the inner rod locked by the first locking block, and the manual locking assembly comprises a manual locking module used for manually driving the inner rod locked by the second locking block and an automatic resetting module capable of automatically driving the second locking block to reset and unlocking the inner rod when the manual locking module stops acting on the second locking block.

Preferably, the first locking block and the second locking block are both arranged on the mounting seat in a sliding manner, and the sliding directions of the first locking block and the second locking block are parallel to each other and perpendicular to the length direction of the inner rod.

Preferably, the automatic locking module comprises a spring arranged between the mounting seat and a first locking block, a limiting block is fixedly arranged on the side surface of the first locking block, which is opposite to the inner rod, one end of the spring is sleeved on the limiting block, and the other end of the spring is tightly attached to the inside of the mounting seat; the manual unlocking module comprises a lever which is rotatably arranged in the mounting seat and a button which is arranged on the mounting seat in a sliding mode, a groove is formed in the first locking block, one end of the lever stretches into the groove, and the other end of the lever is attached to the button. Under the effect of spring, first locking piece can accomplish the automatic locking to interior pole, presses the button, can drive first locking piece and interior pole separation through the lever, and manual contact is to the locking of interior pole.

Preferably, the manual locking module comprises an eccentric trigger rotatably arranged on the mounting base, and the eccentric trigger is arranged on the second locking block in an attaching manner; the automatic reset module comprises two elastic reset plates which are respectively fixedly arranged on two sides of the second locking block, the elastic reset plates are arranged towards one side of the second locking block in a bending mode, the outer ends of the elastic reset plates are always attached to the mounting seat, and a buffer space is arranged between the connecting position of the elastic reset plates and the second locking block and the outer side surface of the mounting seat. Rotate eccentric trigger and can hand drive the interior pole of locking of second locking piece, loosen eccentric trigger, under the effect of elasticity reset plate, the separation just can be automatic with interior pole to the second locking piece to realize automatic unblock.

Preferably, the mounting seat is of a hollow tubular structure, the mounting seat is sleeved and fixed at the upper end of the outer tube, and the inner rod penetrates through the mounting seat.

Preferably, the outer side surface of the mounting seat is provided with a trigger accommodating groove, and the eccentric trigger is rotatably arranged in the trigger accommodating groove.

Preferably, the mounting seat comprises a seat body, a housing is detachably arranged on the seat body through screws, the lever and the spring are arranged in the housing, a through groove is formed in the housing, the button is slidably arranged in the through groove, and a limiting protrusion for preventing the button from being separated from the through groove is fixedly arranged on the button.

As preferred, interior pole includes the body of rod, and the fixed strip that sets up along body of rod length direction that is equipped with on the body of rod is equipped with a plurality of draw-in grooves that set up along fixed strip length direction on the fixed strip, all be fixed on first locking piece and the second locking piece and be equipped with the latch that can imbed in the draw-in groove. Through the mode of latch embedding draw-in groove, can play better locking effect to the inner rod, can not skid during locking.

As preferred, be equipped with the mounting groove that sets up along body of rod length direction on the body of rod, the up end and the side intercommunication of the mounting groove and the body of rod, the cross section of mounting groove is T shape structure, the cross section of fixed strip also is T shape structure, the fixed strip embedding draw-in groove in the mounting groove and on the fixed strip sets up towards the body of rod outside, is equipped with the screw of fixing the fixed strip in the mounting groove between fixed strip and the body of rod.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses an automatic locking subassembly that sets up can realize the automatic locking to interior pole, and the manual locking subassembly of setting can realize the manual locking of pole in with through the mode of manual locking, plays the effect of dual locking, uses more safety, convenient operation.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a perspective view of the inner rod;

FIG. 3 is an enlarged view taken at A in FIG. 2;

fig. 4 is a cross-sectional view of the present invention;

FIG. 5 is an enlarged view of FIG. 4 at B;

FIG. 6 is a perspective view of the mounting base with the automatic locking assembly, manual locking assembly installed;

FIG. 7 is a perspective view of a second locking block;

FIG. 8 is a perspective view of the button;

FIG. 9 is a perspective view of a second locking block;

the labels in the figure are: 1. the locking device comprises an outer tube, 2, an inner rod, 3, a rod body, 4, a fixing strip, 5, a clamping groove, 6, a mounting groove, 7, a mounting seat, 8, a trigger accommodating groove, 9, a base body, 10, a housing, 11, a through groove, 12, a first locking block, 13, a second locking block, 14, a latch, 15, an automatic locking assembly, 16, a manual locking assembly, 17, a spring, 18, a limiting block, 19, a lever, 20, a button, 21, a groove, 22, a limiting protrusion, 23, an eccentric trigger, 24, an elastic reset plate, 25 and a buffer space.

Detailed Description

The invention will be further described with reference to the embodiments shown in the drawings to which:

example 1

As shown in fig. 1-9, a flexible pipe does not have fender gear-shifting locking mechanism, establish interior pole 2 in outer tube 1 including outer tube 1 and cover, interior pole 2 includes the body of rod 3, and the body of rod 3 is the hollow tubular structure, fixedly on the body of rod 3 is equipped with the fixed strip 4 that sets up along the 3 length direction of the body of rod, is equipped with a plurality of draw-in grooves 5 that set up along 4 length direction of fixed strip on the fixed strip 4, be equipped with the mounting groove 6 that sets up along 3 length direction of the body of rod on the body of rod 3, the up end and the side intercommunication of mounting groove 6 and the body of rod 3, the cross section of mounting groove 6 is T-shaped structure, the cross section of fixed strip 4 also is T-shaped structure, the embedding of fixed strip 4 the draw-in mounting groove 6 and on the fixed strip 4 set up towards the body of rod 3 outside, be equipped with the screw of fixing strip 4 in mounting groove 6 between the fixed strip 4 and the body of rod 3. The outer tube 1 upper end cover is established fixedly and is equipped with mount pad 7, mount pad 7 is hollow tubular structure, interior pole 2 passes mount pad 7. 7 lateral surfaces of mount pad are equipped with trigger and accomodate groove 8, mount pad 7 includes pedestal 9, can dismantle through the screw on the pedestal 9 and be provided with housing 10, be equipped with logical groove 11 on the housing 10.

The mounting seat 7 is provided with a first locking block 12 and a second locking block 13 in a sliding manner, and the first locking block 12 and the second locking block 13 are fixedly provided with latch teeth 14 capable of being embedded into the clamping grooves 5. The sliding directions of the first lock block 12 and the second lock block 13 are parallel to each other and perpendicular to the longitudinal direction of the inside lever 2. And the mounting seat 7 is also provided with an automatic locking assembly 15 for controlling the first locking block 12 to automatically lock the inner rod 2 and a manual locking assembly 16 for controlling the first locking block 12 to manually lock the inner rod 2.

The automatic locking assembly 15 comprises an automatic locking module capable of automatically driving the first locking block 12 to lock the inner rod 2 and a manual unlocking module used for manually unlocking the first locking block 12 to lock the inner rod 2, the automatic locking module comprises a spring 17 arranged between the mounting seat 7 and the first locking block 12, a limiting block 18 is fixedly arranged on the side surface of the first locking block 12, which is opposite to the inner rod 2, one end of the spring 17 is sleeved on the limiting block 18, and the other end of the spring 17 is tightly attached to the inside of the mounting seat 7; manual unblock module is including rotating lever 19, the button 20 of slide setting on mount pad 7 that sets up in mount pad 7, be equipped with recess 21 on the

first locking piece

12, 19 one end of lever stretches into in the recess 21, and the other end laminating sets up on button 20. The lever 19 and the spring 17 are arranged in the housing 10, the housing 10 is provided with a through groove 11, the button 20 is arranged in the through groove 11 in a sliding mode, the button 20 is further fixedly provided with a limiting protrusion 22, and the limiting protrusion 22 is matched with the inner wall of the housing 10 and can prevent the button 20 from being separated from the through groove 11.

The manual locking assembly 16 comprises a manual locking module for manually driving the second locking block 13 to lock the inner rod 2, and an automatic resetting module capable of automatically driving the second locking block 13 to reset and releasing the locking of the inner rod 2 when the manual locking module stops acting on the second locking block 13. The manual locking module comprises an eccentric trigger 23 which is rotatably arranged on the mounting base 7, the eccentric trigger 23 is arranged in the trigger accommodating groove 8, and the eccentric trigger 23 is arranged on the second locking block 13 in an attaching manner; the automatic reset module comprises two elastic reset plates 24 which are respectively fixedly arranged on two sides of the second locking block 13, the elastic reset plates 24 are arranged towards one side of the second locking block 13 in a bending mode, the outer ends of the elastic reset plates 24 are always attached to the mounting seat 7, and a buffer space 25 is arranged between the joint of the elastic reset plates 24 and the second locking block 13 and the outer side face of the mounting seat 7.

The utility model discloses an automatic locking Assembly 15 and manual locking Assembly 16 that set up can play the effect of double locking to interior pole 2, and the locking effect is better, uses more safely. When the locking device is used, under the action of no external force, the spring 17 in the automatic locking assembly 15 can drive the first locking block 12 to lock the inner rod 2, namely, the latch 14 on the first locking block 12 is embedded into the clamping groove 5 on the inner rod 2, and in the manual locking assembly, when the locking state is realized, the position far away from the rotating connection position of the eccentric trigger 23 and the mounting seat 7 on the eccentric trigger 23 is pressed on the second locking block 13, the latch 14 on the second locking block 13 is driven to be embedded into the clamping groove 5 on the inner rod 2, and the locking of the inner rod 2 is realized. When the position of the inner rod 2 needs to be adjusted, the eccentric trigger 23 is manually rotated firstly, so that the position, close to the rotating connection position of the eccentric trigger 23 and the mounting seat 7, on the eccentric trigger 23 faces the second locking block 13, under the action of the elastic reset plate 24, the second locking block 13 is separated from the inner rod 2, namely the latch 14 on the second locking block 13 is separated from the clamping groove 5 on the inner rod 2, and at the moment, the manual locking component 16 releases the locking of the inner rod 2. The automatic locking assembly 15 can be operated, the button 20 is pressed, the first locking block 12 is driven to move towards one side of the spring 17 under the action of the lever 19, the spring 17 is compressed, the latch 14 on the first locking block 12 is separated from the clamping groove 5 on the inner rod 2, the locking of the inner rod 2 is released, the inner rod 2 can be pulled to adjust the height of the inner rod 2 at the moment, the button 20 is loosened after the adjustment is in place, the first locking block 12 is tightly pressed on the inner rod 2 under the action of the spring 17, the latch 14 on the first locking block 12 is embedded into the clamping groove 5 on the inner rod 2, the eccentric trigger 23 is rotated, the position, far away from the rotary connection position of the eccentric trigger 23 and the mounting seat 7, of the eccentric trigger 23 is tightly pressed on the second locking block 13, the second locking block 13 is driven to be tightly pressed on the inner rod 2, and the latch 14 on the second locking block 13 is embedded into the clamping groove 5 on the inner rod 2, so that double locking of the inner rod 2 is completed, and the operation is very convenient. Under the action of external force, even if one of the automatic locking component 15 and the manual locking component 16 releases the locking state of the inner rod 2, the inner rod 2 can still be locked, and the use is safer.

It is to be understood that in the claims, the specification of the present invention, all "including … …" are to be understood in an open meaning, i.e., in a meaning equivalent to "including at least … …", and not in a closed meaning, i.e., in a meaning not to be understood as "including only … …".

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a flexible pipe does not have fender locking mechanism of stepping, includes that outer tube and cover establish the interior pole in the outer tube, its characterized in that, the fixed mount pad that is equipped with on the outer tube, the activity is equipped with first locking piece and second locking piece on the mount pad, still is equipped with the automatic locking subassembly that is used for controlling interior pole of the automatic locking of first locking piece and is used for controlling the manual locking subassembly of interior pole of locking of first locking piece on the mount pad.

2. The stepless gear shifting locking mechanism for the telescopic pipe as claimed in claim 1, wherein the automatic locking assembly comprises an automatic locking module capable of automatically driving the first locking block to lock the inner rod, and a manual unlocking module for manually unlocking the first locking block to lock the inner rod, and the manual locking assembly comprises a manual locking module for manually driving the second locking block to lock the inner rod, and an automatic resetting module capable of automatically driving the second locking block to reset and unlocking the inner rod when the manual locking module stops acting on the second locking block.

3. The stepless gear shifting locking mechanism for the telescopic pipe according to claim 2, wherein the first locking block and the second locking block are both slidably arranged on the mounting seat, and the sliding directions of the first locking block and the second locking block are parallel to each other and perpendicular to the length direction of the inner pipe.

4. The stepless gear-shifting locking mechanism for the telescopic tube according to claim 3, wherein the automatic locking module comprises a spring arranged between the mounting seat and a first locking block, a limiting block is fixedly arranged on the side of the first locking block, which is opposite to the inner rod, one end of the spring is sleeved on the limiting block, and the other end of the spring is tightly attached to the inside of the mounting seat; the manual unlocking module comprises a lever which is rotatably arranged in the mounting seat and a button which is arranged on the mounting seat in a sliding mode, a groove is formed in the first locking block, one end of the lever stretches into the groove, and the other end of the lever is attached to the button.

5. The stepless gear shifting locking mechanism for the telescopic pipe according to claim 4, wherein the manual locking module comprises an eccentric trigger rotatably arranged on the mounting seat, and the eccentric trigger is arranged on the second locking block in an abutting mode; the automatic reset module comprises two elastic reset plates which are respectively fixedly arranged on two sides of the second locking block, the elastic reset plates are arranged towards one side of the second locking block in a bending mode, the outer ends of the elastic reset plates are always attached to the mounting seat, and a buffer space is arranged between the connecting position of the elastic reset plates and the second locking block and the outer side surface of the mounting seat.

6. The stepless gear-shifting locking mechanism for the telescopic pipe as claimed in claim 5, wherein the mounting seat is a hollow tubular structure, the mounting seat is sleeved and fixed at the upper end of the outer pipe, and the inner rod penetrates through the mounting seat.

7. The stepless gear shifting locking mechanism for the telescopic pipe according to claim 6, wherein a trigger receiving groove is formed in the outer side surface of the mounting seat, and the eccentric trigger is rotatably arranged in the trigger receiving groove.

8. The stepless gear and level shifting locking mechanism for the telescopic pipe according to claim 6, wherein the mounting seat comprises a seat body, a cover is detachably arranged on the seat body through screws, the lever and the spring are arranged in the cover, a through groove is arranged on the cover, the button is slidably arranged in the through groove, and a limiting protrusion for preventing the button from being separated from the through groove is fixedly arranged on the button.

9. The stepless gear and level shifting locking mechanism of the telescopic pipe as claimed in any one of claims 1 to 8, wherein the inner rod comprises a rod body, a fixing strip arranged along the length direction of the rod body is fixedly arranged on the rod body, a plurality of clamping grooves arranged along the length direction of the fixing strip are arranged on the fixing strip, and clamping teeth capable of being embedded into the clamping grooves are fixedly arranged on the first locking block and the second locking block.

10. The stepless gear-shifting locking mechanism for the telescopic pipes according to claim 9, wherein the rod body is provided with a mounting groove arranged along the length direction of the rod body, the mounting groove is communicated with the upper end surface and the side surface of the rod body, the cross section of the mounting groove is of a T-shaped structure, the cross section of the fixing strip is of a T-shaped structure, the fixing strip is embedded into the mounting groove, a clamping groove in the fixing strip is arranged towards the outer side of the rod body, and a screw for fixing the fixing strip in the mounting groove is arranged between the fixing strip and the rod body.