Bicycle stand pipe connecting device

Abstract

The utility model relates to the technical field of bicycles, and provides a bicycle stand pipe connecting device which comprises a head pipe body, a rotating stand pipe body arranged on the head pipe body in a sleeving mode and an installation assembly connected with the stand pipe body. A first locking plate and a sliding pipe which is connected with the first locking plate and is in sliding fit with the vertical pipe main body are arranged outside the vertical pipe main body, and a handlebar main body and a locking assembly connected with the first locking plate are arranged in the first locking plate; an adjusting mechanism is arranged below the vertical pipe body and the sliding pipe, through the innovative fine adjustment assembly, whether the vertical pipe is located at the horizontal position or not can be conveniently observed when the vertical pipe is installed, the handlebar can be conveniently and rapidly installed or disassembled through the locking assembly, and the distance between the handlebar and a rider is adjusted through the adjusting mechanism. By means of the technical scheme, the problems that in the prior art, the horizontal position of the vertical pipe relative to the handlebar needs to be frequently adjusted, and the distance between the handlebar and a rider is inconvenient to adjust according to needs are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of bicycles, and in particular to a bicycle seat tube connecting device. Background Art

[0002] Bicycles, also known as bicycles or bikes, are usually small two-wheeled land vehicles. People ride on the bicycles and use pedals as power. It is a green and environmentally friendly means of transportation. Bicycles usually require multiple parts to be assembled together. When assembling the handlebars, it is usually necessary to first fix the riser installed on the handlebars to the head tube of the bicycle, and then fix the handlebars through the riser. However, the traditional way of installing the handlebars is usually relatively fixed and is prone to angle deviation during installation. Therefore, it is necessary to fine-tune the handlebars by adjusting the angle of the riser so that the handlebars are in a horizontal position for easy riding.

[0003] In the prior art, the utility model with the authorization announcement number CN212921847U is entitled: A bicycle stem and a bicycle. The device proposed in the patent document can fix the handlebar by locking one side of the handlebar fixing cavity with two bolts, making installation and disassembly easier. At the same time, by setting teeth that contact the handlebar on the inner side of the installation groove and the installation cover, when the bolts are locked, the teeth can bite on the handlebar, not easy to loosen, and have better stability;

[0004] However, although the device proposed in the above patent document can facilitate the quick installation or removal of the handlebar and improve the stability of the handlebar, the handlebar is prone to displacement during installation, requiring the installer to adjust the horizontal position of the riser to the handlebar multiple times, and it is not convenient to adjust the distance between the handlebar and the rider as needed. The scope of application is limited and the practicality needs to be improved. Utility Model Content

[0005] The utility model provides a bicycle stem connection device, which solves the problems in the related art of frequently adjusting the horizontal position of the stem relative to the handlebar and inconveniently adjusting the distance between the handlebar and the rider according to demand.

[0006] The technical solution of the utility model is as follows: it comprises a head tube body, on which a rotatable seat tube body is sleeved, and a mounting assembly connected to the seat tube body, and the mounting assembly is used for installing or removing the seat tube body; a first locking plate is provided outside the seat tube body, and a slide tube connected to the first locking plate and slidably matched with the seat tube body, a handlebar body and a locking assembly connected to the first locking plate are provided inside the first locking plate, and the locking assembly is used for installing or removing the handlebar body; an adjusting mechanism is provided below the seat tube body and the slide tube, and the adjusting mechanism is used for limiting the position of the seat tube body and the slide tube when they are extended or retracted.

[0007] Preferably, the mounting assembly includes an adjusting screw connected to the seat tube body and threadably matched with the head tube body, the adjusting screw being used for mounting, fixing or removing the seat tube body, and the mounting assembly further includes a fine-tuning assembly for limiting the position of the seat tube body. By providing the seat tube body, the seat tube body can be conveniently mounted on the head tube body through the adjusting screw, and the seat tube body can be rotated at the head tube body, thereby facilitating rapid mounting of the seat tube body on the head tube body.

[0008] Preferably, the fine-tuning assembly includes a horizontal groove provided on the head tube body, and a scale bar fixedly connected to the seat tube body and adapted to the horizontal groove. The fine-tuning assembly is used for horizontal display of the seat tube body during installation. By providing the fine-tuning assembly, the scale bar in the fine-tuning assembly cooperates with the horizontal groove, so that the horizontal position of the seat tube body at the head tube body can be easily observed.

[0009] Preferably, the locking assembly includes a second locking plate hinged to the first locking plate, and a connecting plate respectively connected to the first locking plate and the second locking plate, and the connecting plates are clamped and fixed to each other by bolts; the locking assembly is used for installing or disassembling the handlebar body, and by setting the locking assembly and the second locking plate in the locking assembly, it is convenient to clamp the second locking plate and the first locking plate to each other by bolts, thereby facilitating the clamping and locking of the handlebar body.

[0010] Preferably, the locking assembly also includes anti-slip grooves provided in the first locking plate and the second locking plate, and the anti-slip grooves are used to improve the stability of the handlebar body after locking. By providing the anti-slip grooves in the first locking plate and the second locking plate, the stability of the handlebar body after locking can be further improved.

[0011] Preferably, the adjustment mechanism includes a screw rod for driving the stem body and the slide tube to extend and retract, and a first fixed block fixed to the bottom surface of the stem body and rotatably matched with the screw rod, the bottom surface of the slide tube is fixedly connected with a screw seat that threads with the screw rod, the first fixed block and the screw seat are used to drive the slide tube to extend and retract in the stem body through the screw rod, and by providing the screw rod, the first fixed block can be rotated to drive the screw seat to move laterally, so that the screw seat drives the slide tube to extend and retract in the stem body, thereby facilitating the adjustment of the length of the stem, and further facilitating the adjustment of the distance between the handlebars and the rider.

[0012] Preferably, the adjusting mechanism further comprises a limiting ring located outside the wire seat and cooperating with the screw thread, the limiting ring being used for limiting and blocking the wire seat; the adjusting mechanism further comprises a limiting cylinder fixedly connected to the riser body, and a limiting strip connected to the sliding tube and slidably cooperating with the limiting cylinder, the limiting cylinder and the limiting strip being used for improving the stability of the sliding tube when it is extended and retracted in the riser body, and by providing the limiting ring, it is possible to facilitate improving the blocking of the wire seat, further improving the stability between the wire seats, and being able to sleeve a blocking component on the screw between the first fixed block and the wire seat, thereby greatly improving the stability of the sliding tube and the riser body and avoiding sliding.

[0013] Preferably, the outer surface of the handlebar body is provided with a protective cover, and the protective cover is used to protect the handlebar body. By providing two protective covers, the rider can better enjoy the comfort when holding the handlebar, and the friction when holding the handlebar can be improved, thereby avoiding the risk of sliding and falling off when riding.

[0014] The working principle and beneficial effects of the utility model are:

[0015] 1. The innovative fine-adjustment assembly in the utility model can facilitate observation of whether the upright tube is in a horizontal position when installed, thereby avoiding the handlebar from being offset. The locking assembly can facilitate quick installation or removal of the handlebar, and after the handlebar is installed, the distance between the handlebar and the rider can be adjusted through the adjustment mechanism, so that the handlebar can be adjusted to a position suitable for the rider according to riding needs, thereby greatly improving the riding comfort. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the handlebar body of the utility model;

[0018] Figure 2 This is a front view of the three-dimensional structure of the overall device of the utility model;

[0019] Figure 3 It is a side view of the three-dimensional structure of the overall device of the utility model;

[0020] Figure 4 It is a bottom view of the three-dimensional structure of the adjustment mechanism of the utility model.

[0021] In the figure: 1. head tube body; 2. seat tube body; 3. slide tube; 4. first locking plate; 5. adjustment mechanism; 501. first fixing block; 502. thread holder; 503. threaded rod; 504. limiting ring; 505. limiting cylinder; 506. limiting strip; 6. adjusting screw; 7. scale strip; 8. horizontal groove; 9. second locking plate; 10. connecting plate; 11. handlebar body; 12. protective cover. DETAILED DESCRIPTION

[0022] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Example 1

[0024] like Figure 1 As shown in Figure 4, this embodiment provides a bicycle seat tube connection device, including a head tube body 1, a seat tube body 2 that is rotatable is sleeved on the head tube body 1, and a mounting assembly connected to the seat tube body 2, and the mounting assembly is used to install or remove the seat tube body 2.

[0025] refer to Figures 1 to 4 The arrangement of the mounting assembly can facilitate the installation of the seat tube body 2 onto the head tube body 1, and the cooperation with the fine-tuning assembly can facilitate the horizontal position of the seat tube body 2 when it is installed onto the head tube body 1, thereby facilitating the horizontal stability of the handlebars.

[0026] The mounting assembly includes an adjusting screw 6 connected to the seat tube body 2 and threadedly matched with the head tube body 1. The adjusting screw 6 is used to fix or remove the seat tube body 2. The mounting assembly also includes a fine-tuning assembly for limiting the position of the seat tube body 2. By arranging the seat tube body 2, it is convenient to install it on the head tube body 1 through the adjusting screw 6, and the seat tube body 2 can be rotated at the head tube body 1. The stability between the seat tube body 2 and the head tube body 1 can be locked by the adjusting screw 6, so that the seat tube body 2 can be quickly installed on the head tube body 1.

[0027] The fine-tuning assembly includes a horizontal groove 8 provided on the head tube body 1, and a scale bar 7 fixedly connected to the seat tube body 2 and matched with the horizontal groove 8. The fine-tuning assembly is used for horizontal display of the seat tube body 2 when it is installed. By setting the fine-tuning assembly, the scale bar 7 in the fine-tuning assembly cooperates with the horizontal groove 8, so that the horizontal position of the seat tube body 2 at the head tube body 1 can be easily observed, so that the scale bar 7 is located at the horizontal groove 8 when the seat tube body 2 rotates, thereby facilitating the observation of the horizontal position of the seat tube body 2 when it is installed.

[0028] A first locking plate 4 and a sliding tube 3 connected to the first locking plate 4 and slidably matched with the stem body 2 are provided outside the stem body 2. A handlebar body 11 and a locking assembly connected to the first locking plate 4 are provided inside the first locking plate 4. The locking assembly is used for installing or removing the handlebar body 11.

[0029] In this embodiment, reference Figures 1 to 4 The setting of the locking assembly can better facilitate the installation or removal of the handlebar body 11, and the installation and locking operation is extremely convenient, so that the handlebar body 11 can be quickly installed, greatly improving the efficiency and stability of the handlebar body 11.

[0030] The locking assembly includes a second locking plate 9 hinged to the first locking plate 4, and a connecting plate 10 connected to the first locking plate 4 and the second locking plate 9 respectively, and the connecting plates 10 are clamped and fixed to each other by bolts; the locking assembly is used to install or remove the handlebar body 11.

[0031] By setting up a locking assembly and the setting of the second locking plate 9 in the locking assembly, it is possible to clamp the second locking plate 9 and the first locking plate 4 together by bolts, thereby facilitating the clamping and locking of the handlebar body 11, thereby facilitating the installation and disassembly of the handlebar body 11, and the installation operation is extremely convenient, reducing the complexity of the installation operation.

[0032] The locking assembly also includes anti-slip grooves provided in the first locking plate 4 and the second locking plate 9. The anti-slip grooves are used to improve the stability of the handlebar body 11 after it is locked. By providing the anti-slip grooves in the first locking plate 4 and the second locking plate 9, the stability of the handlebar body 11 after it is locked can be further improved, thereby preventing the handlebar body 11 from falling off, and greatly improving the safety of the overall device.

[0033] Example 2

[0034] like Figure 1 to Figure 4 As shown, based on the same concept as the above-mentioned embodiment 1, this embodiment further proposes that an adjustment mechanism 5 is provided below the riser body 2 and the slide tube 3, and the adjustment mechanism 5 is used to limit the position of the riser body 2 and the slide tube 3 when they are extended or retracted.

[0035] In this embodiment, reference Figures 1 to 4 The setting of the adjustment mechanism 5 can facilitate the adjustment of the distance between the handlebar body 11 and the head pipe body 1 according to needs, so that the handlebar body 11 can be adjusted to the outside or inside of the vehicle, and then adjusted to a comfortable position according to the needs of the rider, thereby facilitating the riding of the rider.

[0036] The adjustment mechanism 5 includes a screw rod 503 for driving the riser body 2 and the slide tube 3 to extend and retract, and a first fixed block 501 fixed to the bottom surface of the riser body 2 and rotatably matched with the screw rod 503. The bottom surface of the slide tube 3 is fixedly connected with a screw seat 502 threadedly matched with the screw rod 503. The first fixed block 501 and the screw seat 502 are used to drive the slide tube 3 to extend and retract in the riser body 2 through the screw rod 503.

[0037] By setting the screw rod 503, it can be rotated at the first fixed block 501, so as to drive the screw seat 502 to move laterally, so that the screw seat 502 drives the sliding tube 3 to extend and retract in the seat tube body 2, so as to facilitate the adjustment of the length of the seat tube, and then facilitate the adjustment of the distance between the handlebar and the rider, and then facilitate the adjustment to the appropriate position of the rider according to the needs.

[0038] The adjusting mechanism 5 also includes a limiting ring 504 located outside the wire seat 502 and threadedly matched with the screw rod 503, and the limiting ring 504 is used to limit and block the wire seat 502; the adjusting mechanism 5 also includes a limiting cylinder 505 fixedly connected to the riser body 2, and a limiting strip 506 connected to the sliding tube 3 and slidably matched with the limiting cylinder 505, and the limiting cylinder 505 and the limiting strip 506 are used to improve the stability of the sliding tube 3 when it is extended and retracted in the riser body 2.

[0039] By providing the limiting ring 504, it is possible to improve the blocking of the wire seat 502, further improve the stability between the wire seat 502, and set a blocking component on the screw rod 503 between the first fixing block 501 and the wire seat 502, so as to greatly improve the stability of the sliding tube 3 and the vertical tube body 2 to avoid sliding. The provision of the limiting cylinder 505 and the limiting strip 506 can further improve the stability of the sliding tube 3 when telescopically sliding in the vertical tube body 2, and can also facilitate the improvement of the connection stability between the sliding tube 3 and the vertical tube body 2, thereby greatly improving the practicality of the overall device.

[0040] The outer surface of the handlebar body 11 is provided with a protective cover 12, which is used to protect the handlebar body 11. By providing two protective covers 12, the rider can better enjoy the comfort when holding the handlebar, and the friction when holding the handlebar can be improved, thereby avoiding the risk of sliding and falling off during riding, thereby greatly improving the practicality and safety of the overall device.

[0041] Working principle: During the assembly of the bicycle handlebar, the stem tube body 2 is firstly put on the head tube body 1, and the stem tube body 2 is stably locked on the head tube body 1 by rotating the adjusting screw 6. While locking the stem tube body 2, the horizontal position of the stem tube body 2 on the head tube body 1 is conveniently observed through the scale bar 7 and the horizontal groove 8, so as to facilitate the adjustment of the subsequent position of the handlebar and the body to avoid deviation. After the installation is completed, the handlebar body 11 is put between the first locking plate 4 and the second locking plate 9, and the second locking plate 9 and the first locking plate 4 are clamped to each other through the connecting plate 10 and the bolts, so as to achieve the desired effect. It is convenient to lock the handlebar body 11. After the handlebar body 11 is installed, when it is necessary to adjust the distance between the handlebar body 11 and the rider, the screw rod 503 is rotated by using a tool, and the screw rod 503 drives the wire seat 502 to move laterally, so that the wire seat 502 drives the slide tube 3 to extend and retract in the vertical tube body 2, thereby adjusting the rated distance between the handlebar body 11 and the rider, which is convenient for adjusting the position of the handlebar body 11 according to the riding comfort. When the wire seat 502 is adjusted, a blocking component can be set on the screw rod 503 to improve the stability of the wire seat 502 after adjustment and avoid the risk of shaking of the wire seat 502.

[0042] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A bicycle seat tube connection device, characterized in that: The invention comprises a head tube body (1), a rotatable seat tube body (2) being sleeved on the head tube body (1), and a mounting assembly connected to the seat tube body (2), the mounting assembly being used for mounting or dismounting the seat tube body (2); a first locking plate (4) being provided outside the seat tube body (2), and a slide tube (3) being connected to the first locking plate (4) and slidably matched with the seat tube body (2); a handlebar body (11) being provided inside the first locking plate (4), and a locking assembly connected to the first locking plate (4), the locking assembly being used for mounting or dismounting the handlebar body (11); and an adjusting mechanism (5) being provided below the seat tube body (2) and the slide tube (3), the adjusting mechanism (5) being used for limiting the position of the seat tube body (2) and the slide tube (3) when they are extended or retracted.

2. The bicycle seat tube connection device according to claim 1, characterized in that: The mounting assembly comprises an adjusting screw (6) connected to the seat tube body (2) and threadably matched with the head tube body (1), the adjusting screw (6) being used for mounting, fixing or removing the seat tube body (2), and the mounting assembly further comprises a fine-tuning assembly for limiting the position of the seat tube body (2).

3. The bicycle seat tube connection device according to claim 2, characterized in that: The fine-tuning assembly comprises a horizontal groove (8) formed on the head tube body (1), and a scale bar (7) fixedly connected to the seat tube body (2) and adapted to the horizontal groove (8). The fine-tuning assembly is used to display the horizontal level of the seat tube body (2) during installation.

4. The bicycle seat tube connection device according to claim 1, characterized in that: The locking assembly comprises a second locking plate (9) hingedly connected to the first locking plate (4), and a connecting plate (10) respectively connected to the first locking plate (4) and the second locking plate (9), wherein the connecting plates (10) are clamped and fixed to each other by bolts; the locking assembly is used for installing or removing the handlebar body (11).

5. The bicycle seat tube connection device according to claim 4, characterized in that: The locking assembly further comprises anti-skid grooves formed in the first locking plate (4) and the second locking plate (9), wherein the anti-skid grooves are used to enhance the stability of the handlebar body (11) after locking.

6. The bicycle seat tube connection device according to claim 1, characterized in that: The adjustment mechanism (5) comprises a screw rod (503) for driving the riser body (2) and the slide tube (3) to extend and retract, and a first fixed block (501) fixed to the bottom surface of the riser body (2) and rotatably engaged with the screw rod (503); the bottom surface of the slide tube (3) is fixedly connected with a screw seat (502) threadedly engaged with the screw rod (503); the first fixed block (501) and the screw seat (502) are used to drive the slide tube (3) to extend and retract in the riser body (2) via the screw rod (503).

7. The bicycle seat tube connection device according to claim 6, characterized in that: The adjusting mechanism (5) further comprises a limiting ring (504) located outside the threaded seat (502) and threadably engaged with the threaded rod (503), the limiting ring (504) being used to limit and block the threaded seat (502); the adjusting mechanism (5) further comprises a limiting cylinder (505) fixedly connected to the riser body (2), and a limiting strip (506) connected to the sliding tube (3) and slidably engaged with the limiting cylinder (505), the limiting cylinder (505) and the limiting strip (506) being used to enhance the stability of the sliding tube (3) when it is extended and retracted in the riser body (2).

8. The bicycle seat tube connection device according to claim 1, characterized in that: The outer surface of the handlebar body (11) is covered with a protective cover (12), and the protective cover (12) is used to protect the handlebar body (11).

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