CN219192414U - Seat locking device and bicycle - Google Patents

Abstract

The application provides a seat locking device and bicycle, seat locking device includes: the clamping device comprises a shell, a clamping ring, a clamping mechanism and a handle. The shell is internally provided with an accommodating space which penetrates through the two opposite ends of the shell, the shell is provided with a movable groove and a mounting hole, and the movable groove is communicated with the accommodating space. The clamping ring is arranged in the accommodating space; the clamping ring is provided with a notch, the outer wall of the clamping ring is provided with two clamping pieces, and the two clamping pieces are respectively positioned at two opposite sides of the notch and extend into the movable groove. The clamping mechanism is arranged in the movable groove and is abutted with the clamping piece. The handle is connected with the clamping mechanism. A bicycle comprises the seat locking device. Through setting up the snap ring in accommodating space, set up fixture in the movable tank, be connected handle and fixture, realize integrating seat locking device in an organic whole, simple to operate, convenient, and shelter from snap ring, clamping piece and fixture through the casing, effectively prevent that the user from being pressed from both sides by snap ring, clamping piece and fixture and hinder.

Description

Seat locking device and bicycle

Technical Field

The application belongs to bicycle accessory technical field, and more specifically relates to a seat locking device and bicycle.

Background

Bicycles, particularly sharing bicycles, require the bicycle to be designed in a seat height adjustable configuration in order to be able to accommodate a large customer population with differences in height. In order to realize the function of quickly adjusting the height of a bicycle, a locking device is generally arranged on the bicycle, but at present, when the locking device is arranged, the working procedure is complex, the production cost is high, and in the process of adjusting the height of a seat, the hand of a user is easy to be clamped by the locking device when the locking device is operated.

Disclosure of Invention

An object of the embodiment of the application is to provide a seat locking device and bicycle to solve when installing locking device that exists among the prior art, the process is complicated, leads to manufacturing cost high, and when adjusting the high in-process of seat, when operating locking device, the user's hand is pressed from both sides the wound by locking device easily.

In order to achieve the above purpose, the technical scheme adopted in the application is as follows: there is provided a seat locking device comprising:

the shell is internally provided with an accommodating space, the accommodating space penetrates through two opposite ends of the shell, the shell is provided with a movable groove and a mounting hole, and the movable groove is communicated with the accommodating space;

the clamping ring is arranged in the accommodating space; the clamping ring is provided with a notch, the outer wall of the clamping ring is provided with two clamping pieces, and the two clamping pieces are respectively positioned at two opposite sides of the notch and extend into the movable groove;

the clamping mechanism is arranged in the movable groove and is abutted with the clamping piece; a kind of electronic device with high-pressure air-conditioning system

The handle is connected with the clamping mechanism, and when the handle rotates towards the first direction relative to the shell, the clamping mechanism can be driven to extrude the two clamping pieces to move in opposite directions, so that the clamping ring is tightened.

The seat locking device that this application provided's beneficial effect lies in: compared with the prior art, through will the snap ring sets up in the accommodating space, will fixture sets up in the movable tank, is connected handle and fixture, realizes integrating seat locking device in an organic whole, during the installation, establishes the casing on the seat pipe through accommodating space cover, and the snap ring cover is established on the seat pole, adopts fastener such as bolt etc. to insert the mounting hole and be connected with the seat pipe, makes the seat pipe fix on the seat pipe, can accomplish the installation, and simple installation, convenience is favorable to reducing manufacturing cost, and shelters from snap ring, clamping piece and fixture through the casing, effectively prevents the user when adjusting the high in-process of seat, is pressed from both sides by snap ring, clamping piece and fixture when operating locking device, is favorable to guaranteeing user's security.

Optionally, the accommodating space comprises an accommodating cavity and an installing cavity, the accommodating cavity is communicated with the installing cavity along the axial direction of the shell, the movable groove is communicated with the accommodating cavity, the installing hole is communicated with the installing cavity, and the clamping ring is arranged in the accommodating cavity.

Optionally, the casing is provided with fixed part on the inner wall of holding the chamber, the snap ring corresponds the position of fixed part inwards sunken in order to form the spacing groove, the spacing groove with fixed part adaptation.

Optionally, two resisting parts are arranged in the movable groove, the two resisting parts are arranged at intervals relatively, and the two clamping pieces are positioned between the two resisting parts.

Optionally, the fixture includes two clamping components, two clamping components are located two respectively the opposite sides of clamping piece, clamping components includes movable block and rotatory piece, the movable block with the clamping piece butt that corresponds, the both ends of handle respectively with two clamping components rotatory piece is connected, rotatory piece towards when the first direction is rotatory, can promote the movable block towards clamping piece direction motion.

Optionally, the seat locking device further comprises a guide shaft, and the guide shaft movably penetrates through the clamping piece, the rotating block, the moving block and the handle.

Optionally, the moving block is provided with a first bonding surface and a second bonding surface, the first bonding surface is closer to the rotating block than the second bonding surface, the rotating block is provided with a first rotating surface and a second rotating surface, the first rotating surface is closer to the moving block than the second rotating surface, and when the first rotating surface is bonded with the first bonding surface, the second rotating surface is bonded with the second bonding surface.

Optionally, the first abutting surface and the second abutting surface are spirally distributed along the circumferential direction of the moving block, and the spiral directions of the first abutting surface and the second abutting surface are the same; and/or the first rotating surface and the second rotating surface are spirally distributed along the circumferential direction of the rotating block, and the spiral directions of the first rotating surface and the second rotating surface are the same.

Optionally, a first blocking surface is arranged between the first bonding surface and the second bonding surface, and the first blocking surface is obliquely arranged away from the second bonding surface; and/or the second blocking surface is arranged between the first rotating surface and the second rotating surface, and the second blocking surface is obliquely arranged away from the second rotating surface.

The present application also provides a bicycle comprising a seat locking device as claimed in any one of the preceding claims.

The beneficial effect of the bicycle that this application provided lies in: compared with the prior art, through adopting above-mentioned seat locking device, seat locking device is through will the snap ring sets up in the accommodation space, will fixture sets up in the movable groove, be connected handle and fixture, realize integrating seat locking device in an organic whole, during the installation, establish the casing on the seat pipe through accommodation space cover, the snap ring cover is established on the seat pole, adopt fastener such as bolt etc. to insert the mounting hole and be connected with seat pipe, make seat pipe fix on the seat pipe, can accomplish the installation, the installation is simple, convenient, be favorable to reducing manufacturing cost, and shelter from snap ring through the casing, clamping piece and fixture, effectively prevent that the user from being pressed from both sides by snap ring, clamping piece and fixture when height-adjusting, be favorable to guaranteeing user's security.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required for the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic view of a use state of a seat locking device according to an embodiment of the present application;

FIG. 2 is a cross-sectional view of the seat locking device shown in FIG. 1;

FIG. 3 is a bottom view of a seat locking apparatus provided in an embodiment of the present application;

fig. 4 is a schematic view of a locking state of a seat locking device according to an embodiment of the present disclosure;

FIG. 5 is a schematic illustration of the seat locking apparatus of FIG. 4 with the housing omitted;

FIG. 6 is a schematic view of an unlocked state of a seat locking apparatus according to an embodiment of the present disclosure;

FIG. 7 is a schematic illustration of the seat locking apparatus of FIG. 6 with the housing omitted;

FIG. 8 is an exploded view of the seat locking device shown in FIG. 7;

FIG. 9 is an exploded schematic view of a clamping assembly provided in an embodiment of the present application;

fig. 10 is a bottom view of the seat locking device shown in fig. 9.

Wherein, each reference sign in the figure:

100. seat tube, 200, seat rod; 10. a housing; 11. an accommodating space; 111. a receiving chamber; 112. a mounting cavity; 12. a movable groove; 13. a mounting hole; 14. a fixing part; 15. a resisting part; 20. a clasp; 21. a notch; 22. a clamping piece; 23. a limit groove; 24. a first shaft hole; 30. a clamping assembly; 31. a moving block; 311. a first positioning column; 312. a first bonding surface; 313. a second bonding surface; 314. a first blocking surface; 315. a second shaft hole; 32. a rotating block; 321. a second positioning column; 322. a first rotation surface; 323. a second rotation surface; 324. a second blocking surface; 325. a third shaft hole; 40. a handle; 41. a second positioning hole; 50. a guide shaft; 51. a first clip cap; 52. and the second clamping cap.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved by the present application more clear, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present application and simplify description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Referring to fig. 1 to 10, a seat locking device according to an embodiment of the present application will be described.

Referring to fig. 1 and 2, the seat locking device provided in the embodiment of the present application includes a housing 10, a snap ring 20, a clamping mechanism and a handle 40. The housing 10 is provided with a housing space 11, the housing space 11 penetrates through two opposite ends of the housing 10, the housing 10 is provided with a movable groove 12 and a mounting hole 13, and the movable groove 12 is communicated with the housing space 11. The clamping ring 20 is arranged in the accommodating space 11; the snap ring 20 is provided with a notch 21, the outer wall of the snap ring 20 is provided with two clamping pieces 22, and the two clamping pieces 22 are respectively positioned at two opposite sides of the notch 21 and extend into the movable groove 12. The clamping mechanism is disposed within the movable slot 12 and abuts the clip 22. The handle 40 is connected with the clamping mechanism, and when the handle 40 rotates relative to the housing 10 in a first direction, the clamping mechanism can be driven to squeeze the two clamping pieces 22 to move in opposite directions, so that the clamping ring 20 is tightened.

Compared with the prior art, the seat locking device provided by the application is characterized in that the clamping ring 20 is arranged in the accommodating space 11, the clamping mechanism is arranged in the movable groove 12, the handle 40 is connected with the clamping mechanism, the seat locking device is integrated into a whole, during installation, the shell 10 is sleeved on the seat pipe 100 through the accommodating space 11, the clamping ring 20 is sleeved on the seat rod 200, the installation holes 13 are inserted through the fasteners such as bolts and the like and connected with the seat pipe 100, the seat pipe 100 is fixed on the seat pipe 100, the installation can be completed, the installation is simple and convenient, the production cost is reduced, the clamping ring 20, the clamping pieces 22 and the clamping mechanism are shielded through the shell 10, the user is effectively prevented from being clamped by the clamping rings 20, the clamping pieces 22 and the clamping mechanism in the process of adjusting the height of the seat, and the safety of the user is guaranteed when the locking device is operated.

It should be noted that, the seat tube 100 is fixedly installed on the frame of the bicycle, the seat rod 200 is movably installed through the seat tube 100, and the top of the seat rod 200 is connected with the seat of the bicycle, so that when the handle 40 rotates in the first direction relative to the housing 10, the clamping mechanism is driven to press the two clamping pieces 22 to move in opposite directions, so that the clamping ring 20 is tightened, and the seat rod 200 can be clamped when the clamping ring 20 is tightened, so that the seat rod 200 cannot move up and down relative to the seat tube, so as to fix the seat at a preset height.

In another embodiment of the present application, referring to fig. 2 and 3, the accommodating space 11 includes an accommodating cavity 111 and an installing cavity 112, the accommodating cavity 111 and the installing cavity 112 are distributed and communicated along the axial direction of the housing 10, the movable slot 12 is communicated with the accommodating cavity 111, the installing hole 13 is communicated with the installing cavity 112, and the snap ring 20 is disposed in the accommodating cavity 111. When in installation, the shell 10 is sleeved on the seat tube 100 through the installation cavity 112, and the clamping ring 20 is clamped on the top of the seat tube 100.

In another embodiment of the present application, the housing 10 is provided with the fixing portion 14 on the inner wall of the accommodating cavity 111, the fixing portion 14 extends along the axial direction of the housing 10, the portion of the snap ring 20 corresponding to the fixing portion 14 is recessed inwards to form the limiting groove 23, the limiting groove 23 extends along the axial direction of the snap ring 20, and the limiting groove 23 is adapted to the fixing portion 14 to limit the snap ring 20, so that stability of the snap ring 20 in the accommodating space 11 is enhanced, and rotation of the snap ring 20 relative to the housing 10 is effectively prevented. And when the snap ring 20 is sleeved on the seat rod 200, the inwards concave part of the snap ring 20 in the limit groove 23 is matched with the guide groove on the seat rod 200, so that the snap ring 20 is effectively prevented from rotating relative to the seat rod 200.

The movable groove 12 penetrates through two opposite sides of the casing 10, and two ends of the clamping mechanism are exposed out of the casing 10 through two ends of the movable groove 12 respectively, so that two ends of the handle 40 can be connected with two ends of the clamping mechanism.

In another embodiment of the present application, referring to fig. 3, two resisting parts 15 are disposed in the movable slot 12, the resisting parts 15 are connected with the housing 10, the two resisting parts 15 are disposed at opposite intervals, and the two clamping pieces 22 are located between the two resisting parts 15. Through setting up two department of abutment 15 and restricting two clamping pieces 22, effectively prevent that two clamping pieces 22 from producing the rotation relative to casing 10, further prevent that snap ring 20 from taking place the pivoted phenomenon relative to casing 10, in addition, when casing 10 cover is established on seat pipe 100, department of abutment 15 card is established on the top of seat pipe 100, is favorable to improving the stability that casing 10 was fixed on seat pipe 100.

Optionally, the abutment 15 is injection molded integrally with the housing 10.

In another embodiment of the present application, referring to fig. 1, the number of the mounting holes 13 is two, and the two mounting holes 13 are respectively located on two opposite sides of the housing 10. By providing two mounting holes 13, it is advantageous to further improve the stability of the housing 10 fixed to the seat tube 100. Of course, in other embodiments, the mounting holes 13 may be one, three or more.

In another embodiment of the present application, referring to fig. 4 to 7, the clamping mechanism includes two clamping assemblies 30, the two clamping assemblies 30 are respectively located at two opposite sides of the two clamping pieces 22, the clamping assemblies 30 include a moving block 31 and a rotating block 32, the moving block 31 is abutted to the corresponding clamping piece 22, the handle 40 is in a U shape, two ends of the handle 40 are respectively connected with the rotating blocks 32 of the two clamping assemblies 30, when the rotating block 32 rotates in a first direction, the moving block 31 can be pushed to move in the direction of the clamping piece 22 so as to press the two clamping pieces 22 to move in opposite directions, so that the clamping ring 20 is tightened to clamp the seat bar 200, thereby fixing the seat bar 200 on the seat tube 100 and keeping the seat at a preset height.

Specifically, the two clamping assemblies 30 are respectively disposed on two opposite sides of the two resisting portions 15, that is, the two resisting portions 15 are disposed between the two clamping assemblies 30, and one end of the moving block 31, which is far away from the rotating block 32, is movably disposed through the corresponding resisting portion 15.

Specifically, referring to fig. 9 and 10, a first positioning post 311 is disposed at one end of the moving block 31, a first positioning hole is disposed on the resisting portion 15, the first positioning hole is penetrated by the clamping mechanism, the first positioning post 311 movably penetrates through the corresponding first positioning hole, is clamped with the corresponding first positioning hole, and abuts against the corresponding clamping piece 22, so as to allow the moving block 31 to move back and forth along a straight line and prevent the moving block 31 from rotating. Optionally, the first positioning post 311 and the first positioning hole are flat structures.

In another embodiment of the present application, a second positioning post 321 is disposed at one end of the rotating block 32 far away from the moving block 31, and second positioning holes 41 are disposed at two ends of the handle 40, and the second positioning post 321 is inserted into the corresponding second positioning hole 41 and is clamped with the second positioning hole 41. Optionally, the second positioning post 321 and the second positioning hole 41 are flat structures.

In another embodiment of the present application, the moving block 31 is provided with a first bonding surface 312 and a second bonding surface 313, the first bonding surface 312 and the second bonding surface 313 are both disposed towards the rotating block 32, and the first bonding surface 312 is closer to the rotating block 32 than the second bonding surface 313. The rotating block 32 is provided with a first rotating surface 322 and a second rotating surface 323, the first rotating surface 322 and the second rotating surface 323 are both arranged towards the moving block 31, the first rotating surface 322 is closer to the moving block 31 than the second rotating surface 323, and when the first rotating surface 322 is attached to the first attaching surface 312, the second rotating surface 323 is attached to the second attaching surface 313.

Further, the first contact surface 312 and the second contact surface 313 are spirally distributed along the circumferential direction of the moving block 31, the spiral directions of the first contact surface 312 and the second contact surface 313 are the same, the first rotation surface 322 and the second rotation surface 323 are spirally distributed along the circumferential direction of the rotating block 32, and the spiral directions of the first rotation surface 322 and the second rotation surface 323 are the same. In the released state, the first rotating surface 322 is fully engaged with the second engaging surface 313, and the second rotating surface 323 is fully engaged with the first engaging surface 312. When in a locking state, the first rotating surface 322 is completely attached to the first attaching surface 312, which is favorable for increasing the contact area between the moving block 31 and the rotating block 32, so that a larger friction force exists between the moving block 31 and the rotating block 32, and the moving block 31 can be abutted against the clamping piece 22 more firmly, so that the clamping ring 20 can clamp the seat post more firmly, and the seat can bear larger pressure.

In the present embodiment, the structure of the moving block 31 is identical to that of the rotating block 32, that is, the structures of the first contact surface 312, the second contact surface 313, the first rotating surface 322 and the second rotating surface 323 are identical, so that when the rotating block 32 rotates relative to the moving block 31, the first rotating surface 322 can be better contacted with the second contact surface 313 or the first contact surface 312,

optionally, the number of the first attaching surface 312, the second attaching surface 313, the first rotating surface 322 and the second rotating surface 323 is multiple, the first attaching surfaces 312 and the second attaching surfaces 313 are staggered along the circumferential direction of the moving block 31, and the first rotating surfaces 322 and the second rotating surfaces 323 are staggered along the circumferential direction of the rotating block 32.

In the present embodiment, the number of the first bonding surface 312, the second bonding surface 313, the first rotating surface 322 and the second rotating surface 323 is two.

In another embodiment of the present application, a first blocking surface 314 is disposed between the first abutting surface 312 and the second abutting surface 313, the first blocking surface 314 is disposed obliquely away from the second abutting surface 313, a second blocking surface 324 is disposed between the first rotating surface 322 and the second rotating surface 323, and the second blocking surface 324 is disposed obliquely away from the second rotating surface 323. When the seat locking device is in the locked state, the first rotating surface 322 is attached to the first attaching surface 312, the end, away from the second rotating surface 323, of the first rotating surface 322 is abutted to the first blocking surface 314, and the end, away from the second attaching surface 313, of the first attaching surface 312 is abutted to the second blocking surface 324, so that in the process of switching the seat locking device from the locked state to the unlocked state, the resistance caused by the first blocking surface 314 and the second blocking surface 324 needs to be overcome when the rotating block 32 rotates, namely, in the process of switching the seat locking device from the locked state to the unlocked state, a larger physical force needs to be consumed, so that the seat locking device can bear a larger force in the locked state, the stability of the locking state of the seat locking device is improved, and the seat can bear a larger pressure.

Specifically, when the handle 40 is turned in the second direction, the second direction is opposite to the first direction, the handle 40 drives the rotating block 32 to rotate in the second direction, during the rotating process of the rotating block 32 in the second direction, the first rotating surface 322 gradually breaks away from the first attaching surface 312 and gradually attaches to the second attaching surface 313, the second rotating surface 323 gradually attaches to the first attaching surface 312, when the first rotating surface 322 is completely attached to the second attaching surface 313, the second rotating surface 323 is completely attached to the first attaching surface 312, the first blocking surface 314 is completely attached to the second blocking surface 324, and the seat locking device is switched from the locking state to the releasing state, as shown in fig. 6 and 7, at this time, the moving block 31 loses the abutting action on the clamping pieces 22 in the preset range, the two clamping pieces 22 can move in opposite directions, that is, the distance between the two clamping pieces 22 increases, the clamping ring 20 releases the seat bar 200, and at this time the seat bar 200 can be driven to move up and down relative to the seat tube, so as to adjust the height of the seat. When the seat is adjusted to a predetermined height, when the handle 40 is pulled to rotate in the first direction, the handle 40 drives the rotating block 32 to rotate in the first direction, during the rotating process of the rotating block 32 in the first direction, the second rotating surface 323 is gradually separated from the first attaching surface 312, the first rotating surface 322 is gradually separated from the second attaching surface 313 and is gradually attached to the first attaching surface 312, and then the moving block 31 is pushed to press the clamping pieces 22, so that the two clamping pieces 22 move towards each other, that is, the distance between the two clamping pieces 22 is reduced, the clamping ring 20 is tightened, when the first rotating surface 322 is completely attached to the first attaching surface 312, the end, away from the second rotating surface 323, of the first rotating surface 322 is abutted to the first blocking surface 314, and the end, away from the second attaching surface 313, of the first rotating surface 322 is abutted to the second blocking surface 324, and the seat locking device is switched from the released state to the locked state, as shown in fig. 4 and 5, at this time, the clamping ring 20 is clamped to the seat rod 200, and the seat rod 200 cannot be driven to move up and down relative to the seat tube, so that the seat height is kept at the predetermined height.

In another embodiment of the present application, referring to fig. 5, 7 and 8, the seat locking device further includes a guide shaft 50, and the guide shaft 50 movably penetrates the clamping piece 22, the rotating block 32, the moving block 31 and the handle 40. By providing the guide shaft 50, the movement of the clip 22, the rotating block 32, the moving block 31 and the handle 40 is guided, and the structural stability of the seat locking device is effectively improved.

Specifically, referring to fig. 8, the clip 22 is provided with a first shaft hole 24, and the first shaft hole 24 is configured to movably pass through the guide shaft 50. The moving block 31 is provided with a second shaft hole 315, and the second shaft hole 315 is used for the guide shaft 50 to penetrate. The rotating block 32 is provided with a third shaft hole 325, and the third shaft hole 325 is provided for the guide shaft 50 to pass through. The handle 40 has fourth shaft holes at both ends, the fourth shaft holes being communicated with the second positioning holes 41, the fourth shaft holes being penetrated by the end portions of the guide shafts 50.

Further, the two ends of the guiding shaft 50 are respectively provided with a first clamping cap 51 and a second clamping cap 52, and the first clamping cap 51 and the second clamping cap 52 are respectively clamped on the side part of the handle 40, which is away from the clamping assembly 30, so as to prevent the guiding shaft 50 from falling off.

Referring to fig. 1 and 2, an embodiment of a bicycle is further provided, which includes the seat locking device according to any one of the above embodiments. Specifically, the bicycle further comprises a frame, a seat tube 100, a seat rod 200 and a seat, wherein the seat tube 100 is fixedly arranged on the frame of the bicycle, the seat rod 200 movably penetrates through the seat tube 100, the top of the seat rod 200 is connected with the seat of the bicycle, and the seat rod 200 can be locked on the seat tube 100 by the seat locking device.

Compared with the prior art, the bicycle provided by the application, through adopting the seat locking device, the seat locking device is through setting up snap ring 20 in accommodating space 11, set up fixture in movable groove 12, be connected handle 40 and fixture, realize integrating seat locking device in an organic whole, during the installation, establish seat pipe 100 with housing 10 through accommodating space 11 cover, the snap ring 20 cover is established on seat pole 200, insert mounting hole 13 and seat pipe 100 connection such as the bolt are adopted to the adoption fastener, make seat pipe 100 fix on seat pipe 100, can accomplish the installation, simple installation, convenience, be favorable to reducing manufacturing cost, and shelter from snap ring 20 through housing 10, clamping piece 22 and fixture, effectively prevent the user when height-adjusting, by snap ring 20, clamping piece 22 and fixture clamp, be favorable to guaranteeing user's security.

The foregoing description of the preferred embodiment of the present utility model is not intended to limit the utility model to the particular form disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.

Claims (10)

1. A seat locking apparatus, comprising:

the shell is internally provided with an accommodating space, the accommodating space penetrates through two opposite ends of the shell, the shell is provided with a movable groove and a mounting hole, and the movable groove is communicated with the accommodating space;

the clamping ring is arranged in the accommodating space; the clamping ring is provided with a notch, the outer wall of the clamping ring is provided with two clamping pieces, and the two clamping pieces are respectively positioned at two opposite sides of the notch and extend into the movable groove;

the clamping mechanism is arranged in the movable groove and is abutted with the clamping piece; a kind of electronic device with high-pressure air-conditioning system

The handle is connected with the clamping mechanism, and when the handle rotates towards the first direction relative to the shell, the clamping mechanism can be driven to extrude the two clamping pieces to move in opposite directions, so that the clamping ring is tightened.

2. The seat locking apparatus as set forth in claim 1, wherein: the accommodating space comprises an accommodating cavity and an installing cavity, the accommodating cavity is communicated with the installing cavity along the axial direction of the shell, the movable groove is communicated with the accommodating cavity, the installing hole is communicated with the installing cavity, and the clamping ring is arranged in the accommodating cavity.

3. The seat locking apparatus as set forth in claim 2, wherein: the shell is provided with a fixing part on the inner wall of the accommodating cavity, the part of the clamping ring corresponding to the fixing part is inwards sunken to form a limiting groove, and the limiting groove is matched with the fixing part.

4. The seat locking apparatus as set forth in claim 1, wherein: two resisting parts are arranged in the movable groove, the two resisting parts are arranged at intervals relatively, and the two clamping pieces are positioned between the two resisting parts.

5. The seat locking apparatus as set forth in claim 1, wherein: the clamping mechanism comprises two clamping assemblies, the two clamping assemblies are respectively located at two opposite sides of the clamping piece, each clamping assembly comprises a moving block and a rotating block, each moving block is in butt joint with the corresponding clamping piece, two ends of the handle are respectively connected with the rotating blocks of the two clamping assemblies, and when the rotating blocks rotate in the first direction, the moving blocks can be pushed to move in the direction of the clamping piece.

6. The seat locking apparatus as set forth in claim 5, wherein: the movable handle is characterized by further comprising a guide shaft, wherein the guide shaft movably penetrates through the clamping piece, the rotating block, the moving block and the handle.

7. The seat locking apparatus as set forth in claim 5, wherein: be equipped with first laminating face and second laminating face on the movable block, first laminating face is than the second laminating face is close to the rotatory piece, be equipped with first rotatory face and second rotatory face on the rotatory piece, first rotatory face is than the second rotatory face is close to the movable block, just first rotatory face with when first laminating face is laminated, the second rotatory face with the laminating of second laminating face.

8. The seat locking apparatus as set forth in claim 7, wherein: the first bonding surface and the second bonding surface are spirally distributed along the circumferential direction of the moving block, and the spiral directions of the first bonding surface and the second bonding surface are the same; and/or the first rotating surface and the second rotating surface are spirally distributed along the circumferential direction of the rotating block, and the spiral directions of the first rotating surface and the second rotating surface are the same.

9. The seat locking apparatus as set forth in claim 7, wherein: a first blocking surface is arranged between the first bonding surface and the second bonding surface, and the first blocking surface is obliquely arranged away from the second bonding surface; and/or a second blocking surface is arranged between the first rotating surface and the second rotating surface, and the second blocking surface is obliquely arranged away from the second rotating surface.

10. A bicycle comprising a seat locking device as claimed in any one of claims 1 to 9.

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