CN220764566U - Saddle locking device and bicycle - Google Patents
Saddle locking device and bicycle Download PDFInfo
- Publication number
- CN220764566U CN220764566U CN202322447138.3U CN202322447138U CN220764566U CN 220764566 U CN220764566 U CN 220764566U CN 202322447138 U CN202322447138 U CN 202322447138U CN 220764566 U CN220764566 U CN 220764566U
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- tube
- mounting hole
- saddle
- region
- locking
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- 238000005336 cracking Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
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- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The utility model discloses a saddle locking device and a bicycle, wherein the saddle locking device comprises: the frame comprises a hollow tube and an extension tube; the hollow tube is used for being inserted into the saddle tube; the extension pipe is connected with one side of the hollow pipe; the extension pipe is provided with a mounting hole which is communicated with the hollow pipe; the locking assembly is in threaded connection with the mounting hole; the locking assembly is used for propping against the outer surface of the saddle tube. According to the technical scheme, the hollow tube and the extension tube are arranged on the frame, the hollow tube is used for being inserted into the saddle tube, the extension tube is provided with the mounting hole, the mounting hole is communicated with the hollow tube, and the locking assembly is in threaded connection with the mounting hole; the locking component is propped against the outer surface of the saddle tube so as to realize the purpose of fixing the saddle tube; the locking component of the saddle locking device is hidden in the extension pipe and can directly prop against the saddle pipe, so that the serious pressure loss caused by the saddle pipe and the frame is avoided, the cracking probability of the frame is reduced, and the saddle locking device has the advantages of simple structure and convenience in assembly.
Description
Technical Field
The utility model relates to the technical field of vehicles, in particular to a saddle locking device and a bicycle.
Background
The bicycle seat tube locking device generally adopts an external lock type, namely, a groove is formed in a seat tube port of a bicycle frame, a bicycle is sleeved on the seat tube port, the seat tube is inserted into the seat tube, a locking ring of the bicycle is rotated, the seat tube port is pressed by the bicycle, the seat tube is locked after deformation of the seat tube port, the seat tube is easily damaged by pressure on the outer surface of the seat tube in a locking mode, the appearance is influenced, and the lower end of a groove of the seat tube port is cracked and the locking function is lost in severe cases.
Disclosure of Invention
The utility model mainly aims to provide a saddle locking device, which aims to solve the problem that the existing saddle locking device has larger damage to accessories.
In order to achieve the above object, the present utility model provides a vehicle seat locking device comprising:
the frame is provided with a hollow pipe and an extension pipe; the hollow tube is used for being inserted into a saddle tube; the extension pipe is connected with one side of the hollow pipe; the extension pipe is provided with a mounting hole, and the mounting hole is communicated with the hollow pipe;
the locking assembly is in threaded connection with the mounting hole; the locking assembly is used for propping against the outer surface of the saddle tube.
Optionally, the locking assembly includes screw rod and kicking block, the kicking block be used for with the surface of saddle pipe offsets, the screw rod with mounting hole threaded connection, the first end of screw rod with the kicking block offsets.
Optionally, a nut is arranged at the second end of the screw rod; the nut is provided with a locking stress groove; the sum of the length of the screw rod and the length of the top block is smaller than or equal to the depth of the mounting hole.
Optionally, a built-in fixed block is arranged in the extension pipe and is fixedly connected with the extension pipe; the built-in fixed block is provided with the mounting hole, and the inner wall of the mounting hole is provided with internal threads.
Optionally, the mounting hole includes a first region and a second region, the top block is located in the first region, the screw is located in the second region, the width of the first region is greater than the width of the second region, and the width of the top block is greater than the width of the second region and less than the width of the first region.
Optionally, the inclination angle θ of the mounting hole is 45 ° to 60 °.
Optionally, the top block is provided with a chamfer, and the chamfer is used for propping against the outer wall of the saddle tube; the chamfer is attached to the outer surface of the saddle tube.
Optionally, the chamfer is provided with a non-slip protrusion; and/or a chamfer is arranged at the opening of the mounting hole.
Optionally, the hollow tube and the extension tube are integrally formed.
The utility model also proposes a bicycle comprising a saddle locking device as described above.
According to the technical scheme, the hollow tube and the extension tube are arranged on the frame, the hollow tube is used for being inserted into the saddle tube, the extension tube is provided with the mounting hole, the mounting hole is communicated with the hollow tube, and the locking assembly is in threaded connection with the mounting hole; the locking component is propped against the outer surface of the saddle tube so as to realize the purpose of fixing the saddle tube; the locking component of the saddle locking device is hidden in the extension pipe and can directly prop against the saddle pipe, so that serious pressure loss caused by the saddle pipe and the frame is avoided, the cracking probability of the frame is reduced, and the saddle locking device has the advantages of simple structure and convenience in assembly.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view showing the structure of an embodiment of a seat locking apparatus of the present utility model.
Fig. 2 is a schematic view showing a structure of another view of the seat locking apparatus according to the embodiment of the present utility model.
Fig. 3 is a schematic cross-sectional view of fig. 2 at A-A.
Fig. 4 is a partial enlarged view at B in fig. 3.
Reference numerals illustrate:
| reference numerals | Name of the name | Reference numerals | Name of the name |
| 1 | Frame of bicycle | 11 | Hollow tube |
| 12 | Extension pipe | 121 | Mounting hole |
| 122 | Built-in fixing block | 2 | Locking assembly |
| 21 | Screw rod | 22 | Top block |
| 221 | Chamfer surface | 222 | Smooth connecting part |
| 3 | Saddle tube |
The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that, if a directional indication (such as up, down, left, right, front, and rear … …) is involved in the embodiment of the present utility model, the directional indication is merely used to explain the relative positional relationship, movement condition, etc. between the components in a specific posture, and if the specific posture is changed, the directional indication is correspondingly changed.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is 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 at least one such feature. In addition, if "and/or" and/or "are used throughout, the meaning includes three parallel schemes, for example," a and/or B "including a scheme, or B scheme, or a scheme where a and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
The utility model provides a saddle locking device.
Referring to fig. 1 to 4, in an embodiment of the present utility model, the seat locking apparatus includes a frame 1 and a locking assembly 2; the frame 1 comprises a hollow tube 11 and an extension tube 12; the hollow tube 11 is used for inserting the saddle tube 3; the extension pipe 12 is connected with one side of the hollow pipe 11; the extension pipe 12 is provided with a mounting hole 121, and the mounting hole 121 is communicated with the hollow pipe 11; a locking assembly 2 screw-coupled with the mounting hole 121; the locking assembly 2 is adapted to bear against the outer surface of the seat tube 3.
In the above structure, by providing the hollow tube 11 and the extension tube 12 on the frame 1, the hollow tube 11 is used for inserting the seat tube 3, the extension tube 12 is provided with the mounting hole 121, and the mounting hole 121 is communicated with the hollow tube 11, and is connected with the mounting hole 121 by screw threads by the locking component 2; so that the locking component 2 is propped against the outer surface of the saddle tube 3 to realize the purpose of fixing the saddle tube 3; the locking component 2 of the saddle locking device is hidden in the extension pipe 12 and can directly prop against the saddle pipe 3, so that serious pressure loss caused by the saddle pipe 3 and the frame 1 is avoided, the cracking probability of the frame 1 is reduced, and the saddle locking device has the advantages of simple structure and convenience in assembly.
Optionally, the locking assembly 2 includes a screw 21 and a top block 22, the top block 22 is used to abut against the outer surface of the saddle tube 3, the screw 21 is in threaded connection with the mounting hole 121, and the first end of the screw 21 abuts against the top block 22.
In the above structure, the screw 21 is screwed with the mounting hole 121, and when the screw 21 is locked, the first end of the screw 21 is abutted against the top block 22; as the screw rod 21 continues to be locked, the ejector block 22 presses the outer surface of the saddle tube 3 under the action of the screw rod 21, and the effect of locking the saddle tube 3 is achieved by utilizing the friction force between the ejector block 22 and the saddle tube 3.
Optionally, a second end of the screw 21 is provided with a nut; the nut is provided with a locking stress groove; the sum of the length of the screw 21 and the length of the top block 22 is less than or equal to the depth of the mounting hole 121.
In the above structure, by adding a nut at the second end of the screw 21 and providing a locking force slot on the nut, the screw 21 and the mounting hole 121 can be screwed up by using corresponding external locking fittings; wherein the locking stress groove can be a cross groove, a straight groove or a pentagonal groove. In addition, the sum of the length of the screw rod 21 and the length of the top block 22 is smaller than or equal to the depth of the mounting hole 121, so that the screw rod 21 can be completely hidden in the mounting hole 121, and the appearance simplicity of the frame 1 is improved.
Optionally, a built-in fixing block 122 is arranged in the extension tube 12, and the built-in fixing block 122 is fixedly connected with the extension tube 12; the built-in fixing block 122 is provided with a mounting hole 121, and the inner wall of the mounting hole 121 is provided with internal threads.
In the above structure, since the internal thread is required to be formed in the mounting hole 121, the frame 1 is complicated in shape and the frame 1 is directly fixed with inconvenience in processing, and thus the finished built-in fixing block 122 is welded and fixed with the extension pipe 12 by adding the built-in fixing block 122 in the extension pipe 12, thereby achieving the purpose of convenient processing.
Alternatively, the mounting hole 121 includes a first region and a second region, the top block 22 is located in the first region, the screw 21 is located in the second region, the width of the first region is greater than the width of the second region, and the width of the top block 22 is greater than the width of the second region and less than the width of the first region.
In the above structure, the top block 22 is located in the first area, the first area is communicated with the hollow tube 11, the screw 21 is located in the second area, and the top block 22 cannot move from the first area into the second area because the width of the first area is larger than that of the second area and smaller than that of the first area, so that the loss of the top block 22 can be avoided. The length of the second region is greater than or equal to the length of the screw 21 so that the screw 21 may be completely concealed within the second region.
Alternatively, the inclination angle θ of the mounting hole 121 is 45 ° to 60 °. In the above structure, the screw 21 is conveniently locked, and when the inclination angle theta of the mounting hole 121 is 45-60 degrees, an operator applies external force to screw the screw 21 just easily; while the mounting hole 121 is not easily blocked by the seat at the time of installation.
Optionally, the top block 22 is provided with a chamfer 221, the chamfer 221 is used for abutting against one side of the saddle tube 3, and the chamfer 221 is attached to the outer surface of the saddle tube 3. In the above-described structure, the top block 22 is used to abut against the outer surface of the seat tube, and since the mounting hole 121 has the inclination angle θ, in order to increase the contact surface between the top block 22 and the seat tube 3, a chamfer 221 is provided on the side of the top block 22 abutting against the seat tube 3, and the chamfer 221 is bonded to the outer surface of the seat tube 3. The angle between the chamfer 221 and the outer wall of the top block 22 is equal to the inclination angle θ of the mounting hole 121.
Optionally, a smooth connection 222 is provided between the outer wall of the top piece 22 and the chamfer 221. Avoiding forming sharp angles after adding the chamfer 221 on the top block 22, removing the sharp angles and forming a smooth connecting part 222, wherein the smooth connecting part can be a plane or an arc surface; when the jacking block 22 is tightly jacked to the vehicle tube seat after no sharp angle exists, the jacking block 22 can conveniently generate tiny movement; while avoiding scratching of the worker during assembly of the worker or transportation of the top block 22.
Optionally, the chamfer 221 is provided with cleats. By increasing the roughness of the chamfer 221, a number of evenly distributed anti-slip protrusions are added to increase the friction between the top block 22 and the seat tube 3, improving the locking reliability of the seat locking device.
Optionally, a chamfer is provided at the opening of the mounting hole 121. The chamfer has the effect of facilitating the quick positioning and guiding of the screw 21 to the mounting hole 121, and the screw 21 is inserted into the mounting hole 121 after being chamfered, so that the assembly efficiency of the saddle locking device can be improved.
Alternatively, the hollow tube 11 and the extension tube 12 are integrally formed. The hollow tube 11 and the extension tube 12 are integrally formed through pouring, so that the stability of the whole structure of the frame 1 can be improved.
According to the technical scheme, the hollow tube 11 and the extension tube 12 are arranged on the frame 1, the hollow tube 11 is used for being inserted into the saddle tube 3, the extension tube 12 is provided with the mounting hole 121, the mounting hole 121 is communicated with the hollow tube 11, and the locking assembly 2 is used for being in threaded connection with the mounting hole 121; so that the locking component 2 is propped against the outer surface of the saddle tube 3 to realize the purpose of fixing the saddle tube 3; the locking component 2 of the saddle locking device is hidden in the extension pipe 12, can directly prop against the saddle pipe 3, avoids the condition of causing pressure loss to the frame 1, reduces the probability of cracking of the frame 1, and has the advantages of simple structure and convenient assembly.
The utility model also provides a bicycle, which comprises the saddle locking device, and the specific structure of the saddle locking device refers to the embodiment, and because the bicycle adopts all the technical schemes of all the embodiments, the bicycle at least has all the beneficial effects brought by the technical schemes of the embodiments, and the details are not repeated here.
The foregoing description is only of the preferred embodiments of the present utility model, and is not intended to limit the scope of the utility model, but rather, the equivalent structural changes made by the description and drawings of the present utility model or the direct/indirect application in other related technical fields are included in the scope of the present utility model.
Claims (10)
1. A vehicle seat locking device, characterized by comprising:
the frame is provided with a hollow pipe and an extension pipe; the hollow tube is used for being inserted into a saddle tube; the extension pipe is connected with one side of the hollow pipe; the extension pipe is provided with a mounting hole, and the mounting hole is communicated with the hollow pipe;
the locking assembly is in threaded connection with the mounting hole; the locking assembly is used for propping against the outer surface of the saddle tube.
2. The vehicle seat locking apparatus as claimed in claim 1, wherein the locking assembly includes a screw and a top block for abutting against an outer surface of the vehicle seat tube, the screw being threadedly coupled with the mounting hole, a first end of the screw abutting against the top block.
3. A vehicle seat locking apparatus as claimed in claim 2, wherein the second end of the threaded rod is provided with a nut; the nut is provided with a locking stress groove; the sum of the length of the screw rod and the length of the top block is smaller than or equal to the depth of the mounting hole.
4. The vehicle seat locking apparatus as claimed in claim 2, wherein a built-in fixing block is provided in the extension pipe, the built-in fixing block being fixedly connected with the extension pipe; the built-in fixed block is provided with the mounting hole, and the inner wall of the mounting hole is provided with internal threads.
5. The vehicle seat locking apparatus as claimed in claim 4, wherein said mounting hole includes a first region and a second region, said top block being located in said first region, said screw being located in said second region, a width of said first region being greater than a width of said second region, a width of said top block being greater than a width of said second region and less than a width of said first region.
6. The vehicle seat locking apparatus as claimed in claim 4, wherein the inclination angle θ of the mounting hole is 45 ° to 60 °.
7. A saddle locking device as set forth in any one of claims 2 to 6, wherein said top block is provided with a chamfer for abutting against the outer wall of said saddle tube; the chamfer is attached to the outer surface of the saddle tube.
8. The vehicle seat locking apparatus as claimed in claim 7, wherein the chamfer is provided with a stud; and/or a chamfer is arranged at the opening of the mounting hole.
9. A seat locking apparatus as claimed in any one of claims 1 to 6, wherein said hollow tube and said extension tube are integrally formed.
10. A bicycle comprising a saddle locking device as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322447138.3U CN220764566U (en) | 2023-09-07 | 2023-09-07 | Saddle locking device and bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322447138.3U CN220764566U (en) | 2023-09-07 | 2023-09-07 | Saddle locking device and bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220764566U true CN220764566U (en) | 2024-04-12 |
Family
ID=90599907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322447138.3U Active CN220764566U (en) | 2023-09-07 | 2023-09-07 | Saddle locking device and bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220764566U (en) |
-
2023
- 2023-09-07 CN CN202322447138.3U patent/CN220764566U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |