CN214189883U

CN214189883U - Lifting seat of bicycle

Info

Publication number: CN214189883U
Application number: CN202023117480.XU
Authority: CN
Inventors: 丁鹏
Original assignee: Bulu Laisi Taicang Electric Technology Co ltd
Current assignee: Bulu Laisi Taicang Electric Technology Co ltd
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-09-14
Anticipated expiration: 2030-12-22

Abstract

The utility model discloses a bicycle lifting seat, which comprises an inner cylinder, an outer cylinder, a seat body, a piston, a connecting rod and a sealing cover, wherein the bottom of the inner cylinder and the top of the outer cylinder are provided with openings, and the outer cylinder is sleeved outside the lower end of the inner cylinder; the seat body is arranged at the top of the inner cylinder, the piston is arranged in the inner cavity of the inner cylinder, and a closed upper cavity is formed between the top surface of the piston and the inner wall of the upper part of the inner cylinder; two ends of the connecting rod are fixedly connected to the bottom surface of the piston and the top surface of the bottom of the outer barrel respectively, the sealing cover is sleeved on the connecting rod and is in sealing connection with the opening in the bottom of the inner barrel, a sealed middle cavity is formed between the top surface of the sealing cover and the inner wall of the lower portion of the inner barrel as well as the bottom surface of the piston, and a sealed lower cavity is formed between the bottom surface of the sealing cover and the inner wall of the lower portion of the outer barrel. The utility model discloses a bicycle lift seat has three cavity, can restrict the motion of inner tube for the urceolus in coordination, both can remain original bradyseism effect, can shorten the displacement stroke that the seat body floated from top to bottom when using again, and it is comfortable to ride.

Description

Lifting seat of bicycle

Technical Field

The utility model belongs to the technical field of the bicycle seat, especially, relate to a bicycle lift seat.

Background

The height of the existing bicycle seat is mainly adjusted through a manual mode, the upper height position and the lower height position of the bicycle seat are fixed, the buffering effect is poor, and a user can ride the bicycle in an inconvenient and uncomfortable manner. Still there is a pneumatic control lift bicycle seat, and it is through setting up cylinder, piston and piston switch, can easily adjust the height of seat, can carry out the regulation of seat height at the in-process of riding even, and the cylinder has the bradyseism effect moreover, can absorb the impulsive force of riding on the way because of jolting and producing. However, because the cross sectional area of the inner cavity of the cylinder is too small, the piston can move a large distance along the axis direction of the piston under stress, and the vertical floating distance of the seat is too large, so that the riding safety can be influenced, and the comfort is reduced; and when the seat is free from external force, the seat can be lifted to a higher position under the pushing of the piston, so that the seat is inconvenient for a user to ride.

The above description is included in the technical recognition scope of the inventors, and does not necessarily constitute the prior art.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model aims at providing a bicycle lift seat has last cavity, well cavity and cavity down, can restrict the inner tube in coordination for the motion of urceolus, both can remain original bradyseism effect, can shorten the displacement stroke that the seat body floated from top to bottom when the pressure-bearing again, guarantees that the seat body is in a suitable height, improves the comfort level of riding, guarantees the safety of riding, and the practicality is strong.

In order to achieve the purpose, the utility model provides a bicycle lifting seat which is characterized in that the bicycle lifting seat comprises an inner cylinder, an outer cylinder, a seat body, a piston, a connecting rod and a sealing cover, wherein the bottom of the inner cylinder and the top of the outer cylinder are provided with openings, the outer cylinder is sleeved outside the lower end of the inner cylinder and can move in a translation mode along the axis direction of the inner cylinder; the seat body is arranged at the top of the inner cylinder, the piston is arranged in an inner cavity of the inner cylinder and can move in a translation mode along the axial direction of the inner cylinder, and a closed upper cavity is formed between the top surface of the piston and the inner wall of the upper portion of the inner cylinder; the connecting rod both ends respectively fixed connection in the bottom surface of piston with the top surface of urceolus bottom, sealed cover sleeve is located the connecting rod and with the opening sealing connection of inner tube bottom, the top surface of sealed lid with the lower part inner wall of inner tube with form inclosed well cavity between the bottom surface of piston, the bottom surface of sealed lid with form inclosed cavity down between the lower part inner wall of urceolus, just go up the cavity well cavity with the cavity can communicate with the external world down, in order to realize right the regulation of seat body height.

In one example, an air passage is formed in the connecting rod along the axis, and the air passage penetrates through the top surface of the piston and the bottom surface of the outer barrel so as to communicate the air passage with the upper cavity and the outside respectively; the side wall of the connecting rod is further provided with two air holes communicated with the air passage, and the air passage is communicated with the middle cavity and the lower cavity through the two air holes.

In one example, the bicycle lifting seat further comprises a sealing plug rod which is arranged in the air channel and can move in a translation mode along the axial direction of the air channel so as to open or close the top opening of the air channel and the two air vent holes.

In one example, an annular sealing rib is convexly arranged on the inner wall of the air passage, one side of the annular sealing rib, which faces the axial direction of the air passage, is a conical surface, and the three annular sealing ribs are respectively positioned at the top opening of the air passage, the bottom opening of the air passage and between the two air holes; the periphery of the sealing plug rod corresponds to three the annular sealing rib protrudes and is provided with three elastic sealing ribs, the sealing plug rod can drive the axial movement of the air passage, the elastic sealing ribs are close to or far away from the annular sealing ribs, and therefore the top of the air passage is opened or closed and the air holes are formed.

In one example, the bicycle lifting seat further comprises an adjusting switch, the adjusting switch is in transmission connection with the sealing plug rod, and the sealing plug rod can be driven to move by operating the adjusting switch.

In one example, the bicycle lift seat further comprises an elastic member disposed within the lower cavity and supported between an inner bottom surface of the outer tube and a bottom of the inner tube, the elastic member being capable of generating an upward pushing force to the inner tube.

In one example, the bicycle lifting seat further comprises an angle adjusting assembly, the seat body is mounted on the top of the inner cylinder through the angle adjusting assembly, and the mounting angle between the seat body and the inner cylinder can be adjusted through the angle adjusting assembly.

Through the utility model provides a bicycle lift seat can bring following beneficial effect:

1. through setting up cavity, well cavity and the three cavity of cavity down, can restrict the inner tube in coordination for the motion of urceolus, both can remain original bradyseism effect, can shorten the displacement stroke that the seat body floated from top to bottom when the pressure-bearing again, guarantee that the seat body is in a suitable height, improve the comfort level of riding, guarantee the safety of riding, the practicality is strong.

2. Through setting up air flue and air vent, can make cavity, well cavity and cavity down be linked together with the external world, can make the inner tube for urceolus along the axis motion to the realization is to the regulation of seat height, and simple structure, the good reliability, easy operation, the practicality is strong.

3. Through setting up sealed cock stem, can communicate or completely cut off last cavity, well cavity and lower cavity with external world to the position of spacing seat body or the position that makes the seat body can be adjusted, and simple structure, the good reliability, the practicality is strong.

4. Through setting up annular seal muscle and elastic seal muscle, can seal the space between air flue inner wall and the sealed cock stem to cut off or open the intercommunication and intercommunication each other between last cavity, well cavity and lower cavity and external, and sealed effectual, simple structure, the good reliability, easy operation, the practicality is strong.

5. Through setting up regulating switch, the motion of sealed cock stem can indirect control, the operation of being convenient for ride people strengthens the result of use, and simple structure, the good reliability, easy operation, the practicality is strong.

6. Through setting up the elastic component, can promote the inner tube upward movement, be convenient for adjust the height of seat body, reinforcing result of use guarantees to use and experiences, and the practicality is strong.

7. Through setting up angle adjusting part, can adjust the inclination of seat body, improve the comfort level of riding.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:

FIG. 1 is a cross-sectional view of a bicycle lift seat of the present invention;

FIG. 2 is a front view of a bicycle lift seat of the present invention;

fig. 3 is a schematic view of the sealing plug rod of the present invention engaged with the air passage;

fig. 4 is a schematic view of the annular sealing rib and the elastic sealing rib of the present invention.

Detailed Description

In order to more clearly explain the overall concept of the present invention, the following detailed description is given by way of example in conjunction with the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

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

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. In the description herein, references to the description of the terms "an aspect," "some aspects," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the aspect or example is included in at least one aspect or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same solution or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more aspects or examples.

As shown in fig. 1 to 4, an embodiment of the present invention provides a bicycle lifting seat 100, which includes an inner tube 1, an outer tube 2, a seat body 3, a piston 4, a connecting rod 5 and a sealing cover 6, wherein the bottom of the inner tube 1 and the top of the outer tube 2 are provided with openings, the outer tube 2 is sleeved outside the lower end of the inner tube 1 and can move in a translational manner along its axis direction relative to the inner tube 1; the seat body 3 is arranged at the top of the inner cylinder 1, the piston 4 is arranged in the inner cavity of the inner cylinder 1 and can move in a translation mode along the axial direction of the inner cylinder 1, and a closed upper cavity is formed between the top surface of the piston 4 and the inner wall of the upper portion of the inner cylinder 1; two ends of the connecting rod 5 are respectively fixedly connected to the bottom surface of the piston 4 and the top surface of the bottom of the outer cylinder 2, the sealing cover 6 is sleeved on the connecting rod 5 and is connected with the opening of the bottom of the inner cylinder 1 in a sealing manner, a sealed middle cavity is formed between the top surface of the sealing cover 6 and the inner wall of the lower part of the inner cylinder 1 and the bottom surface of the piston 4, a sealed lower cavity is formed between the bottom surface of the sealing cover 6 and the inner wall of the lower part of the outer cylinder 2, the upper cavity, the middle cavity and the lower cavity can be communicated with the outside, and. Through setting up cavity, well cavity and the three cavity of cavity down, can restrict inner tube 1 in coordination for the motion of urceolus 2, both can remain original bradyseism effect, can shorten the displacement stroke that seat body 3 floated from top to bottom when the pressure-bearing again, guarantee that seat body 3 is in a suitable height, improve the comfort level of riding, guarantee the safety of riding, the practicality is strong.

In one embodiment, the piston 4 and the connecting rod 5 are integrally formed.

Specifically, an air passage 51 is formed in the connecting rod 5 along the axis, and the air passage 51 penetrates through the top surface of the piston 4 and the bottom surface of the outer cylinder 2 so as to respectively communicate the air passage 51 with the upper cavity and the outside; the side wall of the connecting rod 5 is further provided with two air vents 52 communicated with the air passage 51, and the air passage 51 is respectively communicated with the middle cavity and the lower cavity through the two air vents 52. Through setting up air flue 51 and air vent 52, can make cavity, well cavity and cavity down be linked together with the external world, can make inner tube 1 for urceolus 2 along the axis motion to the realization is to the regulation of seat height, and simple structure, the good reliability, easy operation, the practicality is strong.

Specifically, the bicycle lifting seat 100 further comprises a sealing plug rod 7, wherein the sealing plug rod 7 is arranged in the air channel 51 and can move in a translational manner along the axial direction of the air channel 51 so as to open or close the top opening of the air channel 51 and the two air holes 52. Through setting up sealed cock stem 7, can communicate or completely cut off last cavity, well cavity and lower cavity with external world to the position of spacing seat body 3 or the position that makes seat body 3 can be adjusted, and simple structure, the good reliability, the practicality is strong.

In one embodiment, a spring is disposed between the sealing plug rod 7 and the bottom wall of the air passage 51, and the spring can apply an upward pushing force to the sealing plug rod 7.

Specifically, the inner wall of the air passage 51 is convexly provided with an annular sealing rib 511, one side of the annular sealing rib 511, which faces the axial direction of the air passage 51, is a conical surface, and the three annular sealing ribs 511 are respectively positioned at the top opening of the air passage 51, at the bottom opening of the air passage 51 and between the two vent holes 52; the periphery of the sealing plug rod 7 is convexly provided with three elastic sealing ribs 71 corresponding to the three annular sealing ribs 511, and the axial movement of the sealing plug rod 7 along the air passage 51 can drive the elastic sealing ribs 71 to be close to or far away from the annular sealing ribs 511 so as to open or close the top opening and the two air vents 52 of the air passage 51. Through setting up annular seal muscle 511 and elastic seal muscle 71, can seal the space between air flue 51 inner wall and the sealed cock stem 7 to cut off or open the intercommunication and intercommunication each other between the intercommunication of going up cavity, well cavity and lower cavity and external world, and sealed effectual, simple structure, the good reliability, easy operation, the practicality is strong.

Specifically, the bicycle lifting seat 100 further comprises an adjusting switch, the adjusting switch is in transmission connection with the sealing plug rod 7, and the sealing plug rod 7 can be driven to move by operating the adjusting switch. Through setting up regulating switch, can indirect control seal plug rod 7's motion, the operation of being convenient for ride people strengthens the result of use, and simple structure, the good reliability, easy operation, the practicality is strong.

Specifically, the bicycle lifting seat 100 further comprises an elastic member 8, the elastic member 8 is disposed in the lower cavity and supported between the inner bottom surface of the outer cylinder 2 and the bottom of the inner cylinder 1, and the elastic member 8 can generate an upward pushing force to the inner cylinder 1. Through setting up elastic component 8, can promote the upward movement of inner tube 1, be convenient for adjust seat body 3's height, the reinforcing result of use guarantees to use and experiences, and the practicality is strong.

In one embodiment, the resilient member 8 is a spring.

Specifically, the bicycle lifting seat 100 further comprises an angle adjusting assembly 9, the seat body 3 is mounted on the top of the inner cylinder 1 through the angle adjusting assembly 9, and the mounting angle between the seat body and the inner cylinder 1 can be adjusted through the angle adjusting assembly 9. Through setting up angle adjusting part 9, can adjust seat body 3's inclination, improve the comfort level of riding, the practicality is strong.

When the bicycle lifting seat 100 of the utility model is used, the sealing plug rod 7 can be controlled to move along the axial direction by operating the adjusting switch; when the elastic sealing ribs 71 on the sealing plug rod 7 can be tightly attached to the annular sealing ribs 511 on the inner wall of the air passage 51, the communication between the upper cavity, the middle cavity and the lower cavity with the outside and the communication between the upper cavity, the middle cavity and the lower cavity can be isolated, so that the position of the inner cylinder 1 relative to the outer cylinder 2 can be limited by using air pressure, the height of the seat body 3 is limited, and the riding safety and comfort are ensured; under strong external force, the stressed volume of the gas changes, and the impact force caused by the external force can be buffered, so that the bumping feeling in riding is reduced; when the elastic sealing rib 71 on the sealing plug rod 7 leaves the annular sealing rib 511 on the inner wall of the air passage 51, the upper cavity, the middle cavity and the lower cavity can be communicated with the outside, the inner cylinder 1 can easily move along the axis relative to the outer cylinder 2, so that the height of the seat body 3 can be adjusted under the action of the thrust and the external force of the elastic piece 8, and the operation is simple and rapid.

The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.

The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to 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 scope of the claims of the present invention.

Claims

1. The bicycle lifting seat is characterized by comprising an inner cylinder, an outer cylinder, a seat body, a piston, a connecting rod and a sealing cover, wherein openings are formed in the bottom of the inner cylinder and the top of the outer cylinder; the seat body is arranged at the top of the inner cylinder, the piston is arranged in an inner cavity of the inner cylinder and can move in a translation mode along the axial direction of the inner cylinder, and a closed upper cavity is formed between the top surface of the piston and the inner wall of the upper portion of the inner cylinder; the connecting rod both ends respectively fixed connection in the bottom surface of piston with the top surface of urceolus bottom, sealed cover sleeve is located the connecting rod and with the opening sealing connection of inner tube bottom, the top surface of sealed lid with the lower part inner wall of inner tube with form inclosed well cavity between the bottom surface of piston, the bottom surface of sealed lid with form inclosed cavity down between the lower part inner wall of urceolus, just go up the cavity well cavity with the cavity can communicate with the external world down, in order to realize right the regulation of seat body height.

2. The lifting saddle for bicycles of claim 1, wherein an air passage is opened along the axis inside the connecting rod, and the air passage penetrates through the top surface of the piston and the bottom surface of the outer cylinder to communicate the air passage with the upper cavity and the outside, respectively; the side wall of the connecting rod is further provided with two air holes communicated with the air passage, and the air passage is communicated with the middle cavity and the lower cavity through the two air holes.

3. The lift seat for bicycles of claim 2, further comprising a sealing plug disposed in the air channel and capable of translational movement along the axial direction of the air channel to open or close the top opening of the air channel and the two air vents.

4. The lifting seat for bicycles of claim 3, wherein the inner wall of the air passage is convexly provided with an annular sealing rib, and one side of the annular sealing rib facing the axial direction of the air passage is a conical surface, and the three annular sealing ribs are respectively located at the top opening of the air passage, at the bottom opening of the air passage and between the two air holes; the periphery of the sealing plug rod corresponds to three the annular sealing rib protrudes and is provided with three elastic sealing ribs, the sealing plug rod can drive the axial movement of the air passage, the elastic sealing ribs are close to or far away from the annular sealing ribs, and therefore the top of the air passage is opened or closed and the air holes are formed.

5. The lift seat for bicycles of claim 3, further comprising an adjustment switch, wherein the adjustment switch is in transmission connection with the sealing plug rod, and the sealing plug rod can be driven to move by operating the adjustment switch.

6. The liftable seat of claim 1, further comprising a resilient member disposed in the lower cavity and supported between the inner bottom surface of the outer tube and the bottom of the inner tube, the resilient member being capable of generating an upward pushing force on the inner tube.

7. The liftable bicycle seat according to any one of claims 1 to 6, further comprising an angle adjusting assembly, wherein the seat body is mounted on the top of the inner tube through the angle adjusting assembly, and the mounting angle between the seat body and the inner tube can be adjusted through the angle adjusting assembly.