WO2021047600A1

WO2021047600A1 - Pipe connection structure and faucet pipe assembly having same, and vehicle

Info

Publication number: WO2021047600A1
Application number: PCT/CN2020/114534
Authority: WO
Inventors: 黄东升; 嵇鑫健; 丁伟
Original assignee: 纳恩博（常州）科技有限公司
Priority date: 2019-09-10
Filing date: 2020-09-10
Publication date: 2021-03-18
Also published as: CN211370916U

Abstract

A pipe connection structure (100), comprising an inner tube (3), an adjusting member (4), and two outer tubes (5). The inner tube (3) is provided in a first tube (1) and a second tube (2); the end of the second tube (2) is opposite to the end of the first tube (1), and the inner tube (3) is located at the opposite ends of the first tube (1) and the second tube (2); the cross-sectional areas of the end portions of both ends of the inner tube (3) increase gradually in directions distant from the middle of the inner tube (3) along an axial direction of the inner tube (3); the adjusting member (4) is rotatably provided on the inner tube (3); the two outer tubes (5) are both sleeved outside the inner tube (3) and are respectively located on two sides of the adjusting member (4), and each outer tube (5) is movable along the axial direction of the inner tube (3).

Description

Pipe connection structure, faucet pipe assembly and vehicle with same

Cross-references to related applications

This application claims the priority of the Chinese patent application number "201921497838.0" filed by Ninebot (Changzhou) Technology Co., Ltd. on September 10, 2019, entitled "Pipe fitting connection structure and faucet tube assembly and vehicle".

Technical field

The present disclosure relates to the technical field of vehicles, and in particular, to a pipe connection structure, a faucet tube assembly with the same, and a vehicle with the faucet tube assembly.

Background technique

In the related art, the connection method of the faucet tube and the front fork tube is usually a nut and stud connection. The outer tube in the faucet tube and the front fork tube is squeezed by the nut and stud to squeeze the overlapping area of the faucet tube and the front fork tube. Pressure, so as to realize the connection and fixation between the two pipes. However, as the use time increases, this connection method will cause the connection part between the faucet tube and the front fork tube to shake, which will affect the steering function of the electric vehicle and even cause a traffic accident.

Summary of the invention

The present disclosure aims to solve at least one of the technical problems existing in the prior art. To this end, an object of the present disclosure is to provide a pipe connection structure that makes the connection between the first pipe and the second pipe more stable without shaking.

Another object of the present disclosure is to provide a faucet tube assembly having the above-mentioned pipe connection structure.

Another object of the present disclosure is to provide a vehicle with the above-mentioned faucet tube assembly.

A pipe connection structure according to an embodiment of the first aspect of the present disclosure includes an inner pipe provided in a first pipe and a second pipe, and the end of the second pipe and the end of the first pipe are mutually connected. Opposite, and the inner tube is located at the opposite ends of the first tube and the second tube, along the axial direction of the inner tube toward the direction away from the middle of the inner tube, the inner tube The cross-sectional area of the ends at both ends gradually increases; an adjusting piece, the adjusting piece is rotatably arranged on the inner tube; two outer tubes, both of which are sleeved outside the inner tube And are respectively located on both sides of the adjusting member, each of the outer tubes is movable along the axial direction of the inner tube, and when the adjusting member rotates, the adjusting member pushes the two outer tubes to the The two ends of the inner tube are moved so that the two outer tubes are respectively supported between the first tube and the inner tube, the second tube and the inner tube under the squeezing of the inner tube end. Between the inner tubes.

According to the pipe connection structure of the embodiment of the present disclosure, by making the two outer pipes move along the axial direction of the inner pipe under the push of the adjusting member and respectively support the first pipe and the second pipe under the squeezing of the end of the inner pipe, It can eliminate the gap between the first tube and the inner tube, and between the second tube and the inner tube, and realize the 360° full contact between the inner tube and the first tube and the inner tube and the second tube. The stability and reliability of the connection between the first tube and the second tube. When the pipe connection structure is applied to an electric vehicle, it can prevent the steering function of the electric vehicle from being affected by shaking between the first pipe and the second pipe, thereby improving the driving safety of the user. Moreover, the entire pipe fitting connection structure is simple in structure, convenient to install, low in cost, and has a strong aesthetic appearance.

According to some embodiments of the present disclosure, the end of each outer tube away from the adjusting member is provided with a plurality of first openings arranged at even intervals in the circumferential direction, and each of the first openings penetrates through all of the outer tube. Said one end face.

According to some embodiments of the present disclosure, the cross-sectional area of the outer circumferential surface of each outer tube gradually decreases along the axial direction of the inner tube toward a direction away from the middle of the inner tube.

According to some embodiments of the present disclosure, both of the outer tubes are elastic members.

According to some embodiments of the present disclosure, two detachable first inner cone tubes are respectively provided at both ends of the inner tube, and the cross-sectional area of the outer circumferential surface of each first inner cone tube is oriented toward the inner tube. The direction of the tube center gradually decreases.

According to some embodiments of the present disclosure, the inner tube includes an inner tube body and two second inner cone tubes, and the two second inner cone tubes are respectively detachably provided at both ends of the inner tube body along the The axial direction of the inner tube body and the cross-sectional area of the outer circumferential surface of the inner tube body are equal, and the cross-sectional area of the outer circumferential surface of each second inner tapered tube is along the direction toward the center of the inner tube body slowing shrieking.

According to some embodiments of the present disclosure, an adjustment hole is formed on the adjustment member, the adjustment hole is a non-circular hole, a threaded fastener passes through the adjustment hole and is threadedly connected to the inner pipe, and the adjustment member is The length in the first direction is smaller than the length in the second direction, the first direction is perpendicular to the second direction, and the adjusting member is aligned with the inner tube in the axial direction through the adjusting hole. Rotate between the first direction parallel to the axial direction of the inner tube and the second direction parallel to the axial direction of the inner tube. During the rotation of the adjusting member from the first direction to the second direction, the The adjusting member pushes the two outer tubes to move to the two ends of the inner tube respectively to support the first tube and the second tube under the squeezing of the inner tube ends.

According to some embodiments of the present disclosure, there are two adjusting members, and the two adjusting members are opposite to each other along the radial direction of the inner tube.

According to some embodiments of the present disclosure, the pipe connection structure further includes: two push rings, and the two push rings are respectively provided between the adjusting member and the corresponding outer tube.

According to some embodiments of the present disclosure, a second opening is formed on at least one of the first tube and the second tube, and the second opening is directly opposite to the adjusting member.

According to the faucet tube assembly according to the second aspect of the present disclosure, the faucet tube assembly is the pipe connection structure according to the above-mentioned first aspect of the present disclosure, the first tube is a faucet tube, and the second tube is a front fork tube.

The vehicle according to the embodiment of the third aspect of the present disclosure includes the faucet tube assembly according to the embodiment of the second aspect of the present disclosure.

The additional aspects and advantages of the present disclosure will be partially given in the following description, and some will become obvious from the following description, or be understood through the practice of the present disclosure.

Description of the drawings

The above and/or additional aspects and advantages of the present disclosure will become obvious and easy to understand from the description of the embodiments in conjunction with the following drawings, in which:

Fig. 1 is an exploded view of a pipe connection structure according to an embodiment of the present disclosure;

Figure 2 is an exploded view of the pipe connection structure shown in Figure 1 from another angle;

Fig. 3 is a perspective view of the push ring and the adjusting member of the pipe connection structure shown in Fig. 1;

Fig. 4 is a cross-sectional view of the pipe connection structure shown in Fig. 1.

Reference signs:

100: Pipe connection structure;

1: the first tube; 2: the second tube; 21: the second opening;

3: inner tube; 31: inner tube body; 32: second inner cone tube;

4: Adjusting piece; 41: Adjusting hole; 5: Outer tube;

51: First opening; 6: Push ring; 7: Threaded fastener.

detailed description

The embodiments of the present disclosure are described in detail below. Examples of the embodiments are shown in the accompanying drawings, in which the same or similar reference numerals denote the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the drawings are exemplary, and are only used to explain the present disclosure, and should not be construed as limiting the present disclosure.

In the description of the present disclosure, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", The orientation or positional relationship indicated by "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present disclosure and simplifying the description, rather than indicating or implying The device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore cannot be understood as a limitation of the present disclosure.

It should be noted that the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with "first" and "second" may explicitly or implicitly include one or more of these features. Further, in the description of the present disclosure, unless otherwise specified, "plurality" means two or more than two.

The following describes the pipe connection structure 100 according to an embodiment of the first aspect of the present disclosure with reference to FIGS. 1 to 4. The pipe connection structure 100 can be applied to vehicles such as electric vehicles, electric scooters, and bicycles (not shown in the figure) to connect a faucet pipe and a front fork pipe in the vehicle. In the following description of the present application, the application of the pipe connection structure 100 to a vehicle, such as an electric vehicle, is taken as an example for description.

As shown in FIGS. 1 to 4, the pipe connection structure 100 according to the embodiment of the first aspect of the present disclosure includes an inner pipe 3, an adjustment piece 4 and two outer pipes 5.

Specifically, the end of the second tube 2 and the end of the first tube 1 are opposite to each other, the inner tube 3 is provided in the first tube 1 and the second tube 2, and the inner tube 3 is located in the first tube 1 and the second tube. The ends of the tube 2 opposite to each other. Along the axial direction of the inner tube 3 toward the direction away from the middle of the inner tube 3, the cross-sectional area of both ends of the inner tube 3 gradually increases, the adjusting member 4 is rotatably arranged on the inner tube 3, and the two outer tubes 5 They are all sleeved outside the inner tube 3 and are located on both sides of the adjusting member 4. Each outer tube 5 is movable along the axial direction of the inner tube 3. When the adjusting member 4 rotates, the adjusting member 4 pushes the two outer tubes 5 toward each other. The two ends of the inner tube 3 move so that the two outer tubes 5 are respectively supported between the first tube 1 and the inner tube 3 and between the second tube 2 and the inner tube 3 under the squeezing of the ends of the inner tube 3.

For example, in the example of FIGS. 1 to 4, one end of the second tube 2 (for example, the left end in FIG. 2) and one end of the first tube 1 (for example, the right end in FIG. 2) are opposite to each other, and the second tube 2 An inner tube 3 is provided in the first tube 1. The cross-sectional area of the inner tube 3 gradually increases toward the two ends of the inner tube 3. The inner tube 3 is provided with an adjusting member 4, and the adjusting member 4 is opposite to the inner tube 3. Rotatable, the inner tube 3 is sheathed with two outer tubes 5, and both of the outer tubes 5 can move in the axial direction of the inner tube 3. The two outer tubes 5 are respectively located on both sides of the adjusting member 4. The two outer tubes 5 move toward the ends of the inner tube 3 along the axial direction of the inner tube 3 under the push of the adjusting member 4. During the movement of the outer tube 5, the cross-sectional area of the inner tube 3 gradually Increase, the end of the inner tube 3 will squeeze the outer tube 5, and the two outer tubes 5 are respectively supported between the first tube 1 and the inner tube 3, the second tube 2 and the inner tube under the squeezing of the inner tube 3 ends. Between the tubes 3, the gaps between the first tube 1 and the inner tube 3, and between the second tube 2 and the inner tube 3 are filled. Thereby, the gap between the first tube 1 and the inner tube 3 and the gap between the second tube 2 and the inner tube 3 can be eliminated, and the circumferential surface of the inner tube 3 and the first tube 1 and the inner tube 3 and the second tube 2 can be realized. The 360° full contact between the first tube 1 and the second tube 2 enhances the stability of the connection between the first tube 1 and the second tube 2, avoiding the impact of the steering function of the electric vehicle due to the shaking between the first tube 1 and the second tube 2, thereby improving the user The driving safety is simple, the structure is simple, and the installation is convenient.

According to the pipe connection structure 100 of the embodiment of the present disclosure, the cross-sectional area of the two ends of the inner pipe 3 is gradually increased by setting, and the two outer pipes 5 are pushed along the axial direction of the inner pipe 3 under the push of the adjusting member 4. Move and support the first tube 1 and the second tube 2 under the squeezing of the end of the inner tube 3, which can eliminate the gap between the first tube 1 and the inner tube 3, and between the second tube 2 and the inner tube 3 , The full 360° contact between the inner tube 3 and the first tube 1 and the inner tube 3 and the second tube 2 is achieved, and the stability and reliability of the connection between the first tube 1 and the second tube 2 are enhanced. When the pipe connection structure 100 is applied to an electric vehicle, it can avoid shaking between the first pipe 1 and the second pipe 2 (for example, the first pipe 1 may be a faucet pipe, and the second pipe 2 may be a front fork pipe). Affect the steering function of electric vehicles, thereby improving the driving safety of users. Moreover, the entire pipe connection structure 100 has a simple structure, is convenient to install, has a low cost, and has a strong appearance.

In some embodiments of the present disclosure, referring to FIGS. 1 and 2, the end of each outer tube 5 away from the adjusting member 4 is provided with a plurality of first openings 51 evenly spaced in the circumferential direction, and each first opening 51 penetrates The above-mentioned end surface of the outer tube 5. In the description of the present disclosure, "plurality" means two or more. For example, in the example of FIGS. 1 and 2, each outer tube 5 is provided with a plurality of first openings 51, each first opening 51 is generally U-shaped, and each outer tube 5 has a plurality of first openings 51 The openings 51 are all located at one end of the outer tube 5 away from the adjusting member 4, and a plurality of first openings 51 on each outer tube 5 are evenly spaced. Thus, when the outer tube 5 moves toward the end of the inner tube 3 under the push of the adjusting member 4, under the squeezing of the end of the inner tube 3, the end of the outer tube 5 provided with the first opening 51 can be fully and effectively Evenly expand radially outward and squeeze between the inner tube 3 and the faucet tube 1, or the inner tube 3 and the front fork tube 2, thereby prolonging the service life of the outer tube 5 and enhancing the structural stability of the entire tube connection structure 100.

In some optional embodiments of the present disclosure, as shown in FIGS. 1, 2 and 4, the cross-section of the outer circumferential surface of each outer tube 5 along the axial direction of the inner tube 3 toward the direction away from the middle of the inner tube 3 The area gradually decreases. As a result, the outer tube 5 can more easily extend into the gap between the inner tube 3 and the first tube 1, the inner tube 3 and the second tube 2 under the pushing of the adjusting member 4, thereby better supporting the second tube. The first tube 1 and the second tube 2 make the connection between the first tube 1 and the second tube 2 more stable.

Optionally, the two outer tubes 5 are both elastic parts, which may be nylon parts or rubber parts, for example, may be tapered sleeves with elasticity. Therefore, due to the better elasticity of the elastic member, the outer tube 5 can use its own elasticity to well support between the inner tube 3 and the first tube 1 and between the inner tube 3 and the second tube 2, so as to realize the inner tube 3 The seamless connection with the first pipe 1 and between the inner pipe 3 and the second pipe 2 further enhances the structural stability of the pipe connection structure 100.

In some optional embodiments of the present disclosure, two detachable first inner cone tubes are respectively provided at both ends of the inner tube 3, and the cross-sectional area of the outer peripheral surface of each first inner cone tube is oriented toward the inner tube 3 The direction of the center gradually decreases. Specifically, the cross-sectional area of the two ends of the inner tube 3 gradually decreases in the direction toward the center of the inner tube 3, the first inner tapered tube is sleeved on both ends of the inner tube 3, and the outer tube 5 is sleeved on the first inner tube. On the outer circumference of an inner cone tube, the two first inner cone tubes can be disassembled, and the cross-sectional area of each first inner cone tube gradually increases in the direction toward the end of the inner tube 3. When the adjusting member 4 is rotated, The two outer tubes 5 are respectively moved toward the two ends of the inner tube 3 under the push of the adjusting member 4. When the inner surface of the outer tube 5 contacts the outer surface of the first inner cone tube, the extrusion of the first inner cone tube Bottom, two outer tubes 5 are respectively supported between the first tube 1 and the first inner cone tube and between the second tube 2 and the first inner cone tube. Therefore, by providing the detachable first inner cone tube, the assembly and disassembly of the entire pipe connection structure 100 is facilitated. For example, the first inner tapered tube may be threadedly connected with the inner tube 3. But it is not limited to this.

Of course, the present disclosure is not limited to this. In other alternative embodiments of the present disclosure, as shown in FIGS. 1, 2 and 4, the inner tube 3 includes an inner tube body 31 and two second inner cone tubes 32, The two second inner tapered tubes 32 are detachably provided at both ends of the inner tube body 31. The cross-sectional areas of the inner tube body 31 and the outer circumferential surface of the inner tube body 31 are equal. The cross-sectional area of the outer circumferential surface of the tapered tube 32 gradually decreases in the direction toward the center of the inner tube body 31. For example, in conjunction with FIGS. 1, 2 and 4, the inner tube body 31 is formed into a hollow cylindrical structure, and two second inner tapered tubes 32 are sleeved on the left and right ends of the inner tube body 31, respectively. When the adjusting member 4 is rotated, under the squeeze of the second inner cone tube 32, the two outer tubes 5 can also be supported between the first tube 1 and the second inner cone tube 32, and the second tube 2 and the second inner cone tube. Between the tapered tubes 32. Therefore, by providing the inner tube body 31 and the two second inner tapered tubes 32, the connection stability between the first tube 1 and the second tube 2 can be further enhanced, and the first tube 1 and the second tube 2 can be avoided. Shaking between. Moreover, since the cross-sectional area of the outer circumferential surface of the inner tube body 31 is equal along the axial direction of the inner tube body 31, the installation and disassembly between the two second inner tapered tubes 32 and the inner tube body 31 is more convenient and can be improved. The assembly and disassembly efficiency of the entire pipe connection structure 100. Optionally, the first inner cone tube and the second inner cone tube 32 may be cone sleeves, for example, cone sleeves with elasticity. But it is not limited to this.

In some specific embodiments of the present disclosure, referring to FIGS. 1 and 3 in combination with FIGS. 2 and 4, the adjusting member 4 is formed with an adjusting hole 41. The adjusting hole 41 is a non-circular hole, and the threaded fastener 7 passes through the adjusting hole. The hole 41 is threadedly connected with the inner tube 3, the length of the adjusting member 4 in the first direction is less than its length in the second direction, the first direction is perpendicular to the second direction, and the adjusting member 4 is in contact with the inner tube through the adjusting hole 41. 3 rotates between a first direction parallel to the axial direction of the inner tube 3 and a second direction parallel to the axial direction of the inner tube 3. When the adjusting member 4 rotates from the first direction to the second direction, the adjusting member 4 pushes the two outer The tubes 5 move to the two ends of the inner tube 3 to respectively support the first tube 1 and the second tube 2 under the squeezing of the ends of the inner tube 3. For example, in the examples of FIGS. 1 and 3, the adjustment hole 41 is a hexagonal hole, and the user can use an external tool that is adapted to the shape of the adjustment hole 41, such as an Allen key, to realize the rotation of the adjustment member 4. Specifically, The user can extend an external tool, such as an Allen key, into the adjustment hole 41, and then rotate the external tool to realize the rotation of the adjustment member 4 between the first direction and the second direction. When the adjusting member 4 rotates from the first direction to the second direction, the length of the adjusting member 4 in the axial direction of the inner tube 3 increases, and the two outer tubes 5 face the two sides of the inner tube 3 under the pushing of the adjusting member 4. Under the squeezing of the end of the inner tube 3, the two outer tubes 5 are respectively supported between the inner tube 3 and the first tube 1 and between the inner tube 3 and the second tube 2, thereby realizing the first tube 1 Connection with the second tube 2. Therefore, the adjusting member 4 thus arranged can provide a driving force for the two outer tubes 5, so that the two outer tubes 5 support the first tube 1 and the second tube 2, and the tube connecting structure 100 is firmly connected. Simple and easy to operate.

Furthermore, as shown in FIGS. 1 to 4, there are two adjusting members 4, and the two adjusting members 4 are opposite to each other along the radial direction of the inner tube 3. Thus, through the above arrangement, the pushing force received by each outer tube 5 is more uniform, so that the outer tube 5 can more easily move to the end of the inner tube 3 and support the first tube 1 and the second tube 2.

In a further embodiment of the present disclosure, referring to FIGS. 1 to 4, the pipe connection structure 100 further includes two pushing rings 6, the two pushing rings 6 are sleeved on the inner tube, and the two pushing rings 6 are respectively arranged on the adjusting member 4 and the corresponding outer tube 5. For example, in the example of FIGS. 1 to 4, when the adjusting member 4 is rotated, the pushing ring 6 moves to the corresponding outer tube 5 under the pushing of the adjusting member 4, and the outer tube 5 faces the inner tube under the action of the pushing ring 6 The end of 3 moves and squeezes into the gap between the inner tube 3 and the first tube 1 and the inner tube 3 and the second tube 2. Therefore, by setting the pushing ring 6, the force of the adjusting member 4 can be moved along the pushing ring 6 Circumferentially acts on the corresponding outer tube 5 evenly, so that the outer tube 5 can be more evenly squeezed between the inner tube 3 and the first tube 1 and the inner tube 3 and the second tube 2 in the circumferential direction, which can further avoid Shaking occurs between the first tube 1 and the second tube 2 to further enhance the stability of the connection between the first tube 1 and the second tube 2.

In some embodiments of the present disclosure, as shown in FIGS. 1 and 4, at least one of the first tube 1 and the second tube 2 is formed with a second opening 21, and the second opening 21 is directly opposite to the adjusting member 4. In other words, only the second opening 21 may be formed on the first tube 1, or only the second opening 21 may be formed on the second tube 2, or both the first tube 1 and the second tube 2 may be formed with The second opening 21. For example, in the example of FIGS. 1 and 4, the second tube 2 is formed with a second opening 21 facing the adjusting member 4, and the user can rotate the adjusting member 4 through the second opening 21 to make the first tube 1 and The connection of the second tube 2 is more stable. Therefore, by providing the second opening 21, the rotation of the adjusting member 4 is more convenient, and the structure is simple and easy to process. Moreover, the adjusting member 4 can be hidden in the first tube 1 and the second tube 2, so that the overall shape of the tube connecting structure 100 is more concise.

According to the faucet tube assembly of the embodiment of the second aspect of the present disclosure, the faucet tube assembly is the pipe connection structure 100 according to the above-mentioned first aspect of the present disclosure, the first tube is a faucet tube, and the second tube is a front fork tube.

According to the faucet tube assembly of the embodiment of the present disclosure, by adopting the above-mentioned pipe connection structure 100, the stability of the connection between the faucet tube and the front fork tube is enhanced, and the steering function of the electric vehicle is avoided due to shaking between the faucet tube and the front fork tube. , Thereby improving the user's driving safety.

According to the vehicle of the embodiment of the present disclosure, by adopting the above-mentioned faucet tube assembly, the connection between the faucet tube and the front fork tube is more stable, so that the riding comfort and safety of the user can be improved.

Other configurations and operations of the electric vehicle according to the embodiments of the present disclosure are known to those of ordinary skill in the art, and will not be described in detail here.

In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "exemplary embodiments", "examples", "specific examples", or "some examples" etc. means to incorporate the implementation The specific features, structures, materials, or characteristics described by the examples or examples are included in at least one embodiment or example of the present disclosure. In this specification, the schematic representation of the above-mentioned terms does not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics may be combined in any one or more embodiments or examples in a suitable manner.

Although the embodiments of the present disclosure have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and modifications can be made to these embodiments without departing from the principle and purpose of the present disclosure. The scope of the present disclosure is defined by the claims and their equivalents.

Claims

A pipe connection structure, which is characterized in that it comprises:

The inner tube is arranged in the first tube and the second tube, the end of the second tube and the end of the first tube are opposite to each other, and the inner tube is located between the first tube and the first tube. At the opposite ends of the second tube, the cross-sectional area of the two ends of the inner tube gradually increases in the direction away from the middle of the inner tube along the axial direction of the inner tube;

An adjusting piece, the adjusting piece is rotatably arranged on the inner tube;

Two outer tubes, both of which are sleeved outside the inner tube and located on both sides of the adjusting member, and each of the outer tubes is movable along the axial direction of the inner tube. When the adjusting member rotates, the adjusting member pushes the two outer tubes to move to both ends of the inner tube respectively, so that the two outer tubes are respectively supported on the two ends of the inner tube under the pressure of the inner tube ends. Between the first tube and the inner tube, and between the second tube and the inner tube.
The pipe connection structure according to claim 1, wherein the end of each outer pipe away from the adjusting member is provided with a plurality of first openings evenly spaced in the circumferential direction, each of the first openings Through the one end surface of the outer tube.
The pipe connection structure according to claim 2, wherein the cross-sectional area of the outer peripheral surface of each outer pipe gradually decreases along the axial direction of the inner pipe toward a direction away from the middle of the inner pipe.
The pipe connection structure according to claim 1, wherein the two outer pipes are both elastic pieces.
The pipe connection structure according to any one of claims 1 to 4, wherein two detachable first inner cone tubes are respectively provided at both ends of the inner tube, and each of the first inner cones The cross-sectional area of the outer circumferential surface of the tube gradually decreases in the direction toward the center of the inner tube.
The pipe connection structure according to any one of claims 1 to 4, wherein the inner tube comprises an inner tube body and two second inner cone tubes, and the two second inner cone tubes are detachable respectively The ground is set at both ends of the inner tube body, and the cross-sectional area of the outer circumferential surface of the inner tube body is equal along the axial direction of the inner tube body, and the outer circumferential surface of each second inner cone tube has the same cross-sectional area. The cross-sectional area gradually decreases in the direction toward the center of the inner tube body.
The pipe connection structure according to any one of claims 1-6, wherein the adjusting member is formed with an adjusting hole, the adjusting hole is a non-circular hole, and the threaded fastener passes through the adjusting hole Threaded connection with the inner pipe, the length of the adjusting member in the first direction is less than its length in the second direction, and the first direction is perpendicular to the second direction,

Through the adjusting hole, the adjusting member is rotated between the first direction parallel to the axial direction of the inner tube and the second direction parallel to the axial direction of the inner tube. During the rotation of the member from the first direction to the second direction, the adjusting member pushes the two outer tubes to move to both ends of the inner tube respectively to squeeze the ends of the inner tube The first tube and the second tube are respectively supported by the bottom.
7. The pipe connection structure according to claim 7, wherein there are two adjusting pieces, and the two adjusting pieces are opposite to each other along the radial direction of the inner pipe.
The pipe connection structure according to any one of claims 1-8, further comprising:

Two push rings, the two push rings are respectively arranged between the adjusting member and the corresponding outer tube.
The pipe connection structure according to any one of claims 1-9, wherein a second opening is formed on at least one of the first tube and the second tube, and the second opening is connected to the Said adjusting part is directly opposite.
A faucet tube assembly, wherein the faucet tube assembly is a pipe fitting connection structure according to any one of claims 1-10, the first tube is a faucet tube, and the second tube is a front fork tube.
A vehicle, characterized by comprising the faucet tube assembly of claim 11.