Novel shaft supporting structure

Abstract

The utility model relates to the technical field of shaft supporting, in particular to a novel shaft supporting structure which comprises an outer sleeve and an inner sleeve, the outer sleeve is arranged outside the inner sleeve in a sleeving mode, the inner sleeve is cylindrical, and the contact face of the inner sleeve and the outer sleeve is a plane. The contact area of the inner sleeve and the outer sleeve is increased, the abrasion speed of the inner sleeve after the automobile door applies pressure to the inner sleeve through the outer sleeve is reduced, the automobile door cannot sink, the supporting shaft does not need to be replaced, and the effect of prolonging the service life of the supporting shaft is achieved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of shaft support, in particular to a novel shaft support structure. BACKGROUND

[0002] At present, a door transmission shaft support is usually arranged between a door and a frame, which is used to connect the door and the frame together so that the door can be opened and closed.

[0003] The existing door transmission shaft support usually comprises a bearing sleeve and a swing shaft, the bearing sleeve comprises an outer sleeve and an inner sleeve, the outer sleeve is fixedly connected with the inner sleeve, the swing shaft is arranged in the inner sleeve, the swing shaft is rotatably connected with the inner sleeve, and the outer sleeve and the swing shaft are respectively connected with the frame and the door; in order to facilitate the installation of the inner sleeve in the outer sleeve, the inner sleeve is usually designed in a conical shape.

[0004] The existing technical scheme has the following defects: after the inner sleeve is designed in a conical shape, the door will exert a downward pressure on the inner sleeve through the outer sleeve due to the weight of the door, and long-term use will cause wear of the inner sleeve, which will lead to sinking of the door and cause the door to open and close unsmoothly, so the support shaft needs to be replaced, and the service life of the support shaft is short. CONTENT OF THE INVENTION

[0005] In order to improve the service life of the support shaft, the present application provides a novel shaft support structure.

[0006] The above technical purpose of the present application is achieved by the following technical scheme:

[0007] The novel shaft support structure comprises an outer sleeve and an inner sleeve, the outer sleeve is sleeved on the outer sleeve, the inner sleeve is in a cylindrical shape, and the contact surface of the inner sleeve and the outer sleeve is a plane.

[0008] By adopting the above scheme, the position where the inner sleeve contacts the outer sleeve is a horizontal plane, compared with the mutual abutment of the tip of the outer sleeve and the inner sleeve in the prior art, the contact area of the inner sleeve and the outer sleeve is increased, the wear rate of the inner sleeve after the door exerts pressure on the inner sleeve through the outer sleeve is reduced, so that the door will not sink, the support shaft does not need to be replaced, and the service life of the support shaft is improved.

[0009] Further, a ball socket is formed in the inner sleeve, a swing ball is fixedly connected to the top wall of the swing shaft, the swing ball is inserted into the ball socket, and the swing ball and the swing shaft are rotatably connected with the inner sleeve.

[0010] Further, a lubricating pad is fixedly connected in the ball socket, and the lubricating pad is a high-strength nylon pressure casting structure.

[0011] By adopting the above scheme, the nylon material has good lubricity, so that the relative rotation between the ball socket and the swing ball is facilitated.

[0012] Further, the lubricating pad is internally embedded with a plurality of flow guide pipes, the plurality of flow guide pipes are uniformly arranged around the side wall of the lubricating pad according to the curvature of the lubricating pad, the bottom wall of each flow guide pipe is provided with a plurality of flow guide holes, and the side wall of the lubricating pad is provided with a through hole corresponding to each flow guide hole; the starting end of each flow guide pipe is located at the top end of the lubricating pad; and the starting end of each flow guide pipe is provided with a liquid adding assembly.

[0013] By adopting the above scheme, the liquid adding assembly can add lubricating liquid into the plurality of flow guide pipes, and the lubricating liquid entering the flow guide pipes can flow between the lubricating pad and the surface of the pendulum ball through the flow guide holes and the through holes, so that the relative sliding between the lubricating pad and the pendulum ball is facilitated.

[0014] Further, the liquid adding assembly comprises an input pipe and a connecting pipe, the connecting pipe is embedded in the inside of the lubricating pad, the connecting pipe comprises an input hole and a plurality of output holes, each output hole is in communication with the input hole, and each output hole is in communication with the starting end of the flow guide pipe; the input hole is arranged towards the top wall of the lubricating pad, the top wall of the lubricating pad is provided with a communication hole corresponding to the input hole, the communication hole extends upwards and penetrates the inner sleeve and the outer sleeve, the input pipe is embedded in the communication hole and in communication with the input hole of the connecting pipe, and the end of the input pipe away from the input hole is used for introducing lubricating liquid.

[0015] By adopting the above scheme, the external lubricating liquid can be added into the input hole, the lubricating liquid entering the input pipe enters the connecting pipe, the connecting pipe is used for shunting the lubricating liquid, so that the lubricating liquid flows into each flow guide pipe through the flow guide holes and the through holes and flows between the lubricating pad and the pendulum ball.

[0016] Further, the input end of the communication hole is provided with a heightening cylinder, the outer side of the heightening cylinder is provided with a thread, and a cover is connected to the outer side of the heightening cylinder in a screwed manner, the cover is used for sealing the heightening cylinder.

[0017] By adopting the above scheme, the heightening cylinder is sealed, and the communication hole is also sealed, so that dust cannot enter the communication hole.

[0018] Further, a connecting rope is arranged between the cover and the outer sleeve, and the two ends of the connecting rope are fixedly connected with the cover and the outer sleeve respectively.

[0019] By adopting the above scheme, the connecting rope can limit the cover, so that the cover cannot be lost.

[0020] Further, the side wall of each flow guide hole is wrapped with a blocking piece, and the blocking piece extends to the side wall of the through hole corresponding to the flow guide hole.

[0021] By adopting the above scheme, the arrangement of the blocking piece can prevent the lubricating liquid from flowing between the flow guide pipe and the inner wall of the lubricating pad.

[0022] In summary, the present application has the following technical effects:

[0023] 1. By setting the support shaft, the contact position of the inner sleeve and the outer sleeve is a horizontal plane, which increases the contact area of the inner sleeve and the outer sleeve compared with the prior art in which the tip of the outer sleeve and the inner sleeve abut each other, reduces the wear rate of the inner sleeve after the door applies pressure to the inner sleeve through the outer sleeve, so that the door does not sink, and the support shaft does not need to be replaced, thereby improving the service life of the support shaft;

[0024] 2. By setting the lubricating pad, the nylon material has good lubricity, so that the relative rotation between the ball socket and the pendulum ball occurs;

[0025] 3. By setting the liquid adding assembly, the liquid adding assembly can add lubricating liquid to the plurality of flow guide pipes, and the lubricating liquid entering the flow guide pipes can pass through the flow guide holes and the through holes to the surface between the lubricating pad and the pendulum ball, so that the relative sliding between the two occurs. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is a structural schematic view of a novel shaft support structure of the present application;

[0027] Figure 2 is a sectional view of the present application;

[0028] Figure 3 is a structural schematic view of a lubricating pad of the present application;

[0029] Figure 4 is a structural schematic view of the present application Figure 3 is a local enlarged view of part A of the present application;

[0030] Figure 5 is a structural schematic view of a connecting pipe of the present application.

[0031] In the figure, 1 is an outer sleeve; 11 is a height-increasing cylinder; 111 is a cover body; 12 is a connecting rope; 2 is an inner sleeve; 3 is a swing shaft; 31 is a limiting ring; 32 is a pendulum ball; 4 is a lubricating pad; 41 is a flow guide pipe; 411 is a flow guide hole; 42 is a through hole; 421 is a blocking piece; 5 is a liquid adding assembly; 51 is an input pipe; 52 is a connecting pipe; 531 is an input hole; and 532 is an output hole. DETAILED DESCRIPTION

[0032] The present application will be further described in detail below with reference to the accompanying drawings.

[0033] Reference Figures 1-2The embodiment provides a novel shaft support structure, which comprises an outer sleeve 1, an inner sleeve 2 and a swing shaft 3, the outer sleeve 1 is rectangular, a cylindrical placing groove is formed in the inner sleeve 1, the outer sleeve 1 is sleeved outside the inner sleeve 2, the inner sleeve 2 is in a whole cylindrical shape, and the inner sleeve 2 is fixedly connected with the outer sleeve 1; a rotating groove is formed in the inner sleeve 2, the swing shaft 3 is placed in the rotating groove, the swing shaft 3 and the rotating groove can rotate relative to each other, and a limiting ring 31 is fixedly connected to the lateral side of the swing shaft 3; a limiting groove is formed in the inner sleeve 2 and corresponds to the limiting ring 31, when the swing shaft 3 rotates around the rotating groove, the limiting ring 31 rotates around the limiting groove synchronously, the limiting ring 31 is used for limiting the swing shaft 3 from rotating around the rotating groove and avoiding the swing shaft 3 from being taken out of the rotating groove.

[0034] With reference to Figures 1-2 A swing ball 32 is fixedly connected to the top wall of the swing shaft 3, the diameter of the swing ball 32 is greater than the diameter of the transverse section of the swing shaft 3, a ball socket is formed in the inner sleeve 2 and corresponds to the swing ball 32, and the ball socket is communicatively arranged with the rotating groove; when the swing shaft 3 rotates around the rotating groove, the swing ball 32 rotates around the ball socket synchronously.

[0035] With reference to Figures 1-4 A lubricating pad 4 is fixedly connected to the inner part of the ball socket, in the embodiment, the lubricating pad 4 is in a high-strength nylon pressure casting structure; a plurality of flow guide pipes 41 are embedded in the inner part of the lubricating pad 4, the plurality of flow guide pipes 41 are arranged in a circle around the inner part of the lubricating pad 4 according to the curvature of the lubricating pad 4, a plurality of flow guide holes 411 are formed in the bottom wall of each flow guide pipe 41, a through hole 42 is formed in the side wall of the lubricating pad 4 and corresponds to each flow guide hole 411, and each through hole 42 is communicatively arranged with the corresponding flow guide hole 411; the inner wall of each through hole 42 is covered with another layer of blocking pieces 421, and the blocking pieces 421 extend to the inner wall of the flow guide hole 411 and also cover the flow guide hole 411, so that the lubricating liquid entering the flow guide pipe 41 from the gap between the flow guide hole 411 and the through hole 42 is prevented from entering the inner part of the flow guide pipe 41 and the lubricating pad 4.

[0036] With reference to Figures 1-4The starting ends of the plurality of flow guide pipes 41 are located at the top end of the lubricating pad 4, and the starting ends of the plurality of flow guide pipes 41 are provided with a liquid adding assembly 5, which is used to guide the lubricating liquid to flow into the flow guide pipes 41 from outside; the liquid adding assembly 5 comprises an input pipe 51 and a connecting pipe 52, wherein the connecting pipe 52 is embedded in the inside of the lubricating pad 4, the connecting pipe 52 comprises an input hole 531 and a plurality of output holes 532, each of the output holes 532 is arranged in communication with the input hole 531, and each of the output holes 532 is arranged in communication with the starting end of the plurality of flow guide pipes 41, respectively; specifically, the input hole 531 is arranged towards the top wall of the lubricating pad 4, the top wall of the lubricating pad 4 is provided with a communication hole 42 corresponding to the input hole 531, the communication hole 42 extends upwards and penetrates the inner sleeve 2 and the outer sleeve 1, the input pipe 51 is embedded in the communication hole 42 and arranged in communication with the input hole 531 of the connecting pipe 52; in this embodiment, when it is needed to input the lubricating liquid into the input pipe 51, an external liquid adding device is arranged in communication with the side of the input pipe 51 away from the connecting pipe 52, and the lubricating liquid is delivered into the input pipe 51.

[0037] With reference to Figures 1-2 The input end of the communication hole 42 is provided with a heightening cylinder 11, the heightening cylinder 11 is fixedly connected with the outer wall of the outer sleeve 1, the outer side of the heightening cylinder 11 is provided with a thread, the outer side of the heightening cylinder 11 is threadedly connected with a cover body 111, the cover body 111 is used to seal the heightening cylinder 11 to avoid dust from entering into the communication hole 42; a connecting rope 12 is arranged between the cover body 111 and the outer sleeve 1, the two ends of the connecting rope 12 are fixedly connected with the cover body 111 and the outer sleeve 1, respectively, and the arrangement of the connecting rope 12 can avoid the cover body 111 from being lost.

[0038] The specific implementation principle of the novel shaft support structure of the embodiment of the present application is as follows: in use, the outer sleeve 1 and the swing shaft 3 are connected with the vehicle frame and the vehicle door, respectively, when the vehicle door is actuated, the vehicle door drives the outer sleeve 1 and the rotating shaft to relatively rotate, and then the vehicle door and the vehicle frame relatively rotate; when it is needed to add the lubricating liquid, the cover body 111 is first removed through the heightening cylinder 11, then an external liquid adding device is arranged in communication with the input pipe 51, under the driving of the external liquid adding device, the lubricating liquid is delivered into the input pipe 51, then flows into the connecting pipe 52 through the input pipe 51, and then flows into the plurality of flow guide pipes 41 through the output holes 532 of the connecting pipe 52, respectively, and finally flows into the upper surface of the swing ball 32 through the flow guide holes 411 and the through holes 42, and then flows into the upper surface of the swing shaft 3 along the arc of the swing ball 32, to achieve the lubricating effect.

[0039] The specific embodiment is only an explanation of the present application, and is not a limitation of the present application, and those skilled in the art can make modifications to the embodiment without creative contribution after reading the present specification, but as long as the modifications are within the scope of the claims of the present application, they are protected by the patent law.

Claims

1. A novel shaft support structure characterized by: The sleeve (1) is sleeved outside the inner sleeve (2), the inner sleeve (2) is cylindrical, and the contact surface of the inner sleeve (2) and the sleeve (1) is a plane; The inner sleeve (2) is internally provided with a ball socket, the top wall of the swing shaft (3) is fixedly connected with a swing ball (32), the swing ball (32) is inserted into the ball socket, and the swing ball (32) and the swing shaft (3) are both rotationally connected with the inner sleeve (2).

2. A novel shaft support structure according to claim 1, characterized by: The ball socket is fixedly connected with a lubricating pad (4) inside, and the lubricating pad (4) is a high-strength nylon die-casting structure.

3. A novel shaft support structure according to claim 2, characterized by: The lubricating pad (4) is internally embedded with a plurality of flow guide pipes (41), the plurality of flow guide pipes (41) are uniformly arranged around the side wall of the lubricating pad (4) according to the arc of the lubricating pad (4), the bottom wall of each flow guide pipe (41) is provided with a plurality of flow guide holes (411), and the side wall of the lubricating pad (4) is provided with a through hole (42) corresponding to each flow guide hole (411); the starting end of each flow guide pipe (41) is located at the top end of the lubricating pad (4); and the starting end of each flow guide pipe (41) is provided with a liquid adding assembly (5).

4. A novel shaft support structure according to claim 3, characterized in that: The liquid adding assembly (5) comprises an input pipe (51) and a connecting pipe (52), the connecting pipe (52) is embedded in the inside of the lubricating pad (4), the connecting pipe (52) comprises an input hole (531) and a plurality of output holes (532), each output hole (532) is in communication with the input hole (531), and each output hole (532) is in communication with the starting end of the flow guide pipe (41); the input hole (531) is arranged towards the top wall of the lubricating pad (4), the top wall of the lubricating pad (4) is provided with a communication hole (42) corresponding to the input hole (531), the communication hole (42) extends upwards and penetrates the inner sleeve (2) and the sleeve (1), the input pipe (51) is embedded in the communication hole (42) and in communication with the input hole (531) of the connecting pipe (52), and the end of the input pipe (51) away from the input hole (531) is used for introducing lubricating liquid.

5. A novel shaft support structure according to claim 4, characterized in that: The input end of the communication hole (42) is provided with a heightening cylinder (11), the outer side of the heightening cylinder (11) is provided with a thread, the outer side of the heightening cylinder (11) is threadedly connected with a cover body (111), and the cover body (111) is used for sealing the heightening cylinder (11).

6. A novel shaft support structure according to claim 5, characterized by: A connecting rope (12) is arranged between the cover body (111) and the sleeve (1), and the two ends of the connecting rope (12) are fixedly connected with the cover body (111) and the sleeve (1) respectively.

7. A novel shaft support structure according to claim 3, characterized by: The side wall of each flow guide hole (411) is wrapped with a blocking piece (421), and the blocking piece (421) extends to the side wall of the through hole (42) corresponding to the flow guide hole (411).

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