Outer pipe

Abstract

The utility model relates to the field of automobile parts, in particular to an outer pipe which comprises a cylinder, an annular plate and a fixing plate, the cylinder is coaxially provided with a through cavity, the annular plate is coaxially and fixedly connected to the outer wall of the cylinder, and the fixing plate is coaxially and fixedly connected to the inner wall of the through cavity. When an automobile part extends into the cylinder, the fixing plate can support other automobile parts to a certain degree, so that other automobile parts are connected to the outer pipe more stably, the stability is improved, and meanwhile, the structural strength of the outer pipe is enhanced through the fixing plate.

Description

Technical Field

[0001] The present application relates to the field of automobile accessories, and in particular to an outer tube. Background Art

[0002] The subframe can be regarded as the skeleton of the front and rear axles, and is a component of the front and rear axles. The front subframe is installed at the front of the car. The car engine is connected to the car body through the suspension. The suspension is the rubber cushion at the connection between the engine and the car body. The function of the suspension is to isolate the engine vibration. The connection point between the subframe and the car body is just like the engine suspension. Usually, an axle assembly needs to have four suspension points connected to the car body, which can not only ensure its connection stiffness, but also have a good vibration isolation effect.

[0003] The front sub-frame of the automobile is provided with four corners, each of which is provided with an outer tube, and the outer tube is used for connecting other automobile parts. The utility model patent with the authorization publication number CN217899089U discloses an inner and outer tube, including a first outer tube and a second outer tube, the first outer tube and the second outer tube can be connected together by a rubber ring, the first outer tube includes an annular plate, one end of the annular plate is provided with a first cylinder, a through cavity is provided in the first cylinder, a fillet with a maximum radius of 2.5 mm is provided at the connection between the first cylinder and the annular plate, the second outer tube includes a second cylinder, a through cavity is provided in the second cylinder, an annular groove is provided on the second cylinder, and a truncated cone-shaped cavity with an opening angle of 38.7°±1° is formed on the inner wall of the through cavity.

[0004] The annular plate is fixed on the front subframe of the automobile, and other automobile parts are connected to the inner wall of the cylinder. The connection of other automobile parts is unstable, and the annular plate provides certain support for other automobile parts, which is easy to be damaged, affecting the stability of the installation of other parts. Utility Model Content

[0005] In order to improve the stability of the connection of other automobile parts, the present application provides an outer tube.

[0006] The present application provides an outer tube adopting the following technical solution:

[0007] An outer tube comprises a cylinder, an annular plate and a fixed plate. The cylinder is coaxially provided with a through cavity, the annular plate is coaxially fixedly connected to the outer wall of the cylinder, and the fixed plate is coaxially fixedly connected to the inner wall of the through cavity.

[0008] By adopting the above technical solution, when the automobile parts extend into the cylinder, the fixing plate can provide certain support to other automobile parts, so that other automobile parts are more firmly connected to the outer tube, thereby improving stability. At the same time, the fixing plate enhances the structural strength of the outer tube.

[0009] Preferably, the fixing plate is provided with a center opening, and the center opening is communicated with the through cavity.

[0010] By adopting the above technical solution, the center of the flower mouth is convenient for subsequent welding of other automobile parts, so that other automobile parts are more firmly connected to the outer tube, thereby improving stability.

[0011] Preferably, the annular plate and the fixed plate are respectively close to the two ends of the cylinder, the inner wall of the through cavity smoothly transitions to the end surface of the annular plate away from the fixed plate, and the outer wall of the cylinder smoothly transitions to the end surface of the fixed plate away from the annular plate.

[0012] By adopting the above technical solution, the annular plate and the inner wall of the through cavity are smoothly transitioned, and the fixed plate and the outer wall of the cylinder are smoothly transitioned, which enhances the structural strength of the outer tube. At the same time, it guides the installation of other automobile parts, facilitates the insertion of other automobile parts into the through cavity, and improves the installation efficiency.

[0013] Preferably, it also includes a flange, which is coaxially fixed to the outer wall of the annular plate, and the end surface of the flange facing away from the fixed plate smoothly transitions with the end surface of the annular plate facing away from the fixed plate, and the distance from the end surface of the flange facing away from the fixed plate to the fixed plate decreases as it moves away from the axis of the cylinder.

[0014] By adopting the above technical solution, the flanging increases the contact area between the outer tube and the front subframe of the automobile, the flanging improves the structural strength of the outer tube, the flanging improves the stability of the outer tube connected to the front subframe, and thus improves the stability of the connection of automobile parts.

[0015] Preferably, a reserved opening is provided at the end of the flange away from the axis of the cylinder.

[0016] By adopting the above technical solution, the reserved opening facilitates the positioning and installation of the outer tube on the front subframe of the automobile. At the same time, the contact area between the outer tube and the front subframe of the automobile is increased during welding, the stability of the installation of the outer tube is improved, the outer tube is not easily damaged, and the stability of the connection of other automobile parts is improved.

[0017] Preferably, the reserved openings are provided in plurality, and the plurality of reserved openings are evenly spaced around the axis of the cylinder.

[0018] By adopting the above technical solution, multiple reserved openings improve the stability of the outer tube connection, and at the same time, the evenly arranged reserved openings make the outer tube bear the force evenly, making it less likely to be damaged, thereby improving the structural strength of the outer tube.

[0019] Preferably, it further comprises an anti-slip strip, wherein the anti-slip strip is fixedly connected to the end surface of the annular plate facing away from the fixed plate.

[0020] By adopting the above technical solution, the anti-slip strip increases the friction between the outer tube and the operator's hand, making it easier for the operator to control the rotation of the outer tube, so that the reserved opening is aligned with the correct position, the positioning installation of the outer tube is completed, and the installation efficiency of the outer tube is improved.

[0021] Preferably, the cylinder, the annular plate, the flange and the fixing plate are integrally formed.

[0022] By adopting the above technical solution, the outer tube is easily produced. At the same time, the integral molding improves the structural strength of the outer tube, making it difficult for the components of the outer tube to be separated.

[0023] Preferably, it further comprises reinforcing ribs, wherein the reinforcing ribs are fixedly connected to the outer wall of the cylinder, and the reinforcing ribs are fixedly connected to the end surface of the annular plate facing the fixed plate.

[0024] By adopting the above technical solution, the reinforcing ribs improve the structural strength between the annular plate and the cylinder, so that the annular plate is not easily damaged by force, thereby extending the service life of the outer tube.

[0025] Preferably, a plurality of the reinforcing ribs are provided, and the plurality of the reinforcing ribs are evenly spaced around the axis of the cylinder.

[0026] By adopting the above technical solution, multiple reinforcing ribs make the structural strength between the annular plate and the cylinder higher and evenly distributed, so that the mass distribution of the outer tube is even and the outer tube is not easily damaged.

[0027] In summary, the present application includes at least one of the following beneficial technical effects:

[0028] 1. When the auto parts are inserted into the cylinder, the fixing plate can provide certain support to other auto parts, so that other auto parts are more firmly connected to the outer tube, which improves the stability. At the same time, the fixing plate enhances the structural strength of the outer tube;

[0029] 2. Flanging increases the contact area between the outer tube and the front subframe of the car, improves the structural strength of the outer tube, and improves the stability of the connection between the outer tube and the front subframe, thereby improving the stability of the connection of automobile parts;

[0030] 3. The reserved opening facilitates the positioning and installation of the outer tube on the front subframe of the automobile. At the same time, it increases the contact area between the outer tube and the front subframe of the automobile during welding, improves the stability of the installation of the outer tube, and makes the outer tube less likely to be damaged, thereby improving the stability of the connection of other automobile parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a schematic diagram of the overall structure of an outer tube.

[0032] Figure 2 It is a cross-sectional view of an outer tube.

[0033] Figure 3 It is a schematic diagram of the overall structure of an outer tube, mainly used to show the fixing plate and flange.

[0034] Explanation of the reference numerals: 1. cylinder; 11. through cavity; 2. annular plate; 3. fixing plate; 31. center opening; 311. connecting opening; 4. flange; 41. reserved opening; 5. anti-slip strip; 6. reinforcing rib. DETAILED DESCRIPTION

[0035] The following is combined with Figure 1-3 This application is described in further detail.

[0036] The present application embodiment discloses an outer tube. Figure 1 and Figure 2 , an outer tube comprises a cylinder 1, an annular plate 2, a fixing plate 3, a flange 4, an anti-slip strip 5 and a reinforcing rib 6. The cylinder 1, the annular plate 2, the fixing plate 3, the flange 4, the anti-slip strip 5 and the reinforcing rib 6 are integrally formed.

[0037] Reference Figure 1 The cylinder 1 is coaxially provided with a through cavity 11, both ends of which are connected, and the through cavity 11 is used for other automobile parts to extend into. The annular plate 2 is coaxially fixedly connected to the outer wall of the cylinder 1, and the fixing plate 3 is coaxially fixedly connected to the inner wall of the through cavity 11. The annular plate 2 and the fixing plate 3 are respectively close to the two ends of the cylinder 1. The annular plate 2 is used to connect the outer tube with the front subframe of the automobile, and the fixing plate 3 is used to connect the outer tube with other automobile parts.

[0038] The inner wall of the through cavity 11 smoothly transitions with the end surface of the annular plate 2 away from the fixed plate 3, the outer wall of the cylinder 1 smoothly transitions with the end surface of the fixed plate 3 away from the annular plate 2, the outer wall of the cylinder 1 smoothly transitions with the end surface of the annular plate 2 toward the fixed plate 3, and the inner wall of the through cavity 11 smoothly transitions with the end surface of the fixed plate 3 toward the annular plate 2, which enhances the overall structural strength of the outer tube and makes it less likely for operators to be injured when using it.

[0039] Reference Figure 3 The fixing plate 3 is provided with a center opening 31, which is connected to the through cavity 11. The maximum diameter of the center opening 31 is equal to the diameter of the fixing plate 3, which reduces the use of the material of the fixing plate 3 and reduces the overall gravity of the outer tube. The center opening 31 includes six connecting ports 311, which are evenly spaced around the axis of the through cavity 11. The six connecting ports 311 are connected to each other, and the quality of the fixing plate 3 and the cylinder 1 is uniform, so that the annular plate 2 is evenly stressed and not easily damaged.

[0040] Reference Figure 1, the flange 4 is coaxially fixedly connected to the outer wall of the annular plate 2, the end face of the flange 4 facing away from the fixed plate 3 smoothly transitions with the end face of the annular plate 2 facing away from the fixed plate 3, and the distance from the end face of the flange 4 facing away from the fixed plate 3 to the fixed plate 3 decreases as it moves away from the axis of the cylinder 1. The end face of the flange 4 facing the fixed plate 3 smoothly transitions with the end face of the annular plate 2 facing the fixed plate 3, and the distance from the end face of the flange 4 facing the fixed plate 3 to the fixed plate 3 decreases as it moves away from the axis of the cylinder 1. The flange 4 increases the contact area between the outer tube and the front subframe of the automobile, improves the structural strength of the outer tube, improves the stability of the outer tube connected to the front subframe, and thus improves the stability of the connection of automobile parts.

[0041] The end of the flange 4 away from the axis of the cylinder 1 is provided with a reserved opening 41, and a plurality of reserved openings 41 are provided, and the plurality of reserved openings 41 are evenly spaced around the axis of the cylinder 1. In this embodiment, there are two reserved openings 41, and in other embodiments, there may be three, four, etc. reserved openings 41.

[0042] Reference Figure 1 The anti-slip strip 5 is fixedly connected to the end face of the annular plate 2 away from the fixed plate 3. The length direction of the anti-slip strip 5 is along the radial direction of the annular plate 2. There are two anti-slip strips 5. The two anti-slip strips 5 are evenly spaced around the axis of the cylinder 1. There is a reserved opening 41 between the two anti-slip strips 5. After the cylinder 1 is placed in the opening for installing the outer tube on the front subframe of the automobile, the operator's hand contacts the anti-slip strip 5 to drive the cylinder 1 to rotate, so that the reserved opening 41 is aligned with the positioning block on the front subframe of the automobile, which is convenient for installing the outer tube.

[0043] Reference Figure 2 , the reinforcing rib 6 is set as a triangular sheet, one right-angled side of the reinforcing rib 6 is fixedly connected to the outer wall of the cylinder 1, and the other right-angled side of the reinforcing rib 6 is fixedly connected to the end surface of the annular plate 2 facing the fixed plate 3. The length direction of the reinforcing rib 6 is along the radial direction of the cylinder 1, and a plurality of reinforcing ribs 6 are provided, and the plurality of reinforcing ribs 6 are evenly spaced around the axis of the cylinder 1. In this embodiment, the reinforcing ribs 6 are set to six, and in other embodiments, the reinforcing ribs 6 can also be set to four, five, etc. The reinforcing ribs improve the structural strength between the annular plate 2 and the cylinder 1, so that the annular plate 2 is not easily damaged by force, and the service life of the outer tube is extended.

[0044] The implementation principle of an outer tube in an embodiment of the present application is as follows: the cylinder 1 is inserted into the opening on the front sub-frame of the automobile for installing the outer tube, the operator's hand contacts the anti-slip strip 5 to drive the cylinder 1 to rotate, so that the reserved opening 41 is aligned with the positioning block on the latent frame of the automobile, the end face of the flange 4 facing the fixing plate 3 is fitted with the surface of the front sub-frame of the automobile, and the edge of the flange 4 is welded to the front sub-frame of the automobile using a welding gun to achieve the fixation of the outer tube, and other automobile parts are inserted into the through cavity 11, and the other automobile parts abut the end face of the fixing plate 3 facing the annular plate 2, and the fixing plate 3 and other automobile parts are welded to the welding gun along the inner wall of the center opening 31 to achieve the fixation of other automobile parts.

[0045] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. An outer tube, characterized in that: The invention comprises a cylinder (1), an annular plate (2) and a fixed plate (3); the cylinder (1) is coaxially provided with a through cavity (11); the annular plate (2) is coaxially fixedly connected to the outer wall of the cylinder (1); and the fixed plate (3) is coaxially fixedly connected to the inner wall of the through cavity (11).

2. An outer tube according to claim 1, characterized in that: The fixing plate (3) is provided with a center opening (31), and the center opening (31) is communicated with the through cavity (11).

3. An outer tube according to claim 1, characterized in that: The annular plate (2) and the fixed plate (3) are respectively close to the two ends of the cylinder (1); the inner wall of the through cavity (11) smoothly transitions with the end surface of the annular plate (2) facing away from the fixed plate (3); and the outer wall of the cylinder (1) smoothly transitions with the end surface of the fixed plate (3) facing away from the annular plate (2).

4. An outer tube according to claim 3, characterized in that: It also comprises a flange (4), the flange (4) being coaxially fixedly connected to the outer wall of the annular plate (2), the end surface of the flange (4) facing away from the fixed plate (3) and the end surface of the annular plate (2) facing away from the fixed plate (3) forming a smooth transition, and the distance between the end surface of the flange (4) facing away from the fixed plate (3) and the fixed plate (3) decreases as it moves away from the axis of the cylinder (1).

5. An outer tube according to claim 4, characterized in that: A reserved opening (41) is provided at one end of the flange (4) facing away from the axis of the cylinder (1).

6. An outer tube according to claim 5, characterized in that: A plurality of the reserved openings (41) are provided, and the plurality of the reserved openings (41) are evenly spaced around the axis of the cylinder (1).

7. An outer tube according to claim 5, characterized in that: It also comprises an anti-slip strip (5), wherein the anti-slip strip (5) is fixedly connected to the end surface of the annular plate (2) facing away from the fixed plate (3).

8. An outer tube according to claim 4, characterized in that: The cylinder (1), the annular plate (2), the flange (4) and the fixing plate (3) are integrally formed.

9. An outer tube according to claim 1, characterized in that: It also includes a reinforcing rib (6), wherein the reinforcing rib (6) is fixedly connected to the outer wall of the cylinder (1), and the reinforcing rib (6) is fixedly connected to the end surface of the annular plate (2) facing the fixed plate (3).

10. An outer tube according to claim 9, characterized in that: A plurality of the reinforcing ribs (6) are provided, and the plurality of the reinforcing ribs (6) are evenly spaced around the axis of the cylinder (1).

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