Besides-star wheel for connecting automobile transmission shaft

Abstract

The utility model discloses a besides-star wheel for connecting an automobile transmission shaft, which comprises a first wheel body and a second wheel body, a fixed seat is assembled at the tops of the first wheel body and the second wheel body, a connecting column is fixedly connected to the lower surface of the fixed seat, a stabilizing disc is fixedly connected to the lower surface of the connecting column, and a connector is fixedly connected to the upper surface of the fixed seat. The outer surface of the connector is sleeved with a connecting block, a groove corresponding to the connector is formed in the bottom of the connecting block, and the top of the connector block is sleeved with a handle body. The first wheel body and the second wheel body are folded by inserting the inserting columns into the inserting holes, the fixing bases are assembled in the first wheel body and the second wheel body, besides-star wheels are assembled, maintenance is more convenient, the maintenance cost is reduced, the height of the besides-star wheel handle body can be changed by mutually assembling a plurality of connecting blocks, and the height of the besides-star wheel handle body is changed. And the overall applicability of the besides-star wheel is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of outer star wheels, and particularly relates to an outer star wheel for connecting an automobile drive shaft. Background Art

[0002] An automobile drive shaft is a direct driving part for wheel rotation. When an automobile is running, the engine outputs torque, which is transmitted to the drive shaft through multiple-stage speed changes, and then transmitted to the wheels through the drive shaft, thereby driving the automobile to move. Therefore, the drive shaft is an important part for transmitting torque in an automobile. An outer star wheel is a main part in an automobile constant velocity drive shaft, which is used to connect the half shaft and the wheel hub, and its quality directly affects the safety and reliability of automobile transmission.

[0003] In the prior art, a Chinese utility model patent with the patent number CN210344074U discloses an outer star wheel for an automobile drive shaft, including: a shank portion, a head portion, a cavity, a raceway and a through hole; the shank portion and the head portion are integrally forged, and the shank portion is located on the outer surface of the narrower side of the head portion; the cavity is opened at one end of the head portion far from the shank portion, the raceway is opened on the inner surface of the cavity, and the vertical cross-section of the cavity is a bowl-shaped structure; the through hole is opened on the head portion and is located at the outer edge of the opening end of the cavity.

[0004] In the above prior art, although it can play a role in sealing and protecting the connection between the outer star wheel and the inner star wheel, reduce unnecessary wear, and improve the cleanliness of the use of the outer star wheel. At the same time, through the through hole with a penetrating structure, it can avoid the influence of the heat of the inner wall of the outer star wheel on the rolling of the ball, and improve the use stability of the outer star wheel. However, the outer star wheels for connecting automobile drive shafts in the prior art are all integrally formed. When in use, the overall applicability is greatly reduced, the length of the shank of the outer star wheel cannot be adjusted as needed, and when a certain part is damaged, the whole needs to be replaced, and the overall practicability is greatly reduced. Summary of the Utility Model

[0005] The utility model aims to solve the technical problems that the outer star wheels are all integrally formed, the overall applicability is greatly reduced when in use, the length of the shank of the outer star wheel cannot be adjusted as needed, and when a certain part is damaged, the whole needs to be replaced, and the overall practicability is greatly reduced, and provides an outer star wheel for connecting an automobile drive shaft.

[0006] In order to achieve the above object, the utility model provides the following technical solution: an outer star wheel for connecting an automobile drive shaft, including a first wheel body and a second wheel body, a fixing seat is assembled on the tops of the first wheel body and the second wheel body, a connecting column is fixedly connected to the lower surface of the fixing seat, and a stabilizing disk is fixedly connected to the lower surface of the connecting column.

[0007] The upper surface of the fixed seat is fixedly connected with a connecting head, and a connecting block is sleeved on the outer surface of the connecting head.

[0008] A groove corresponding to the connecting head is formed at the bottom of the connecting block, and a handle body is sleeved on the top of the connecting head block.

[0009] Optionally, limiting grooves corresponding to the stabilizing disc are formed at the tops of the first wheel body and the second wheel body, limiting holes are formed inside the stabilizing disc and the fixed seat, through holes matching the limiting holes are formed on the upper surfaces of the first wheel body and the second wheel body, and a limiting screw is threadedly connected inside the limiting hole.

[0010] Optionally, an installation groove is formed on one side of the second wheel body, installation holes are formed inside the second wheel body and the first wheel body, and a fixing column is inserted into the installation hole.

[0011] Optionally, one end of the fixing column is fixedly connected with a fixing block corresponding to the installation groove, a threaded head is arranged at the other end of the fixing column, and a fastening screw is threadedly connected to the surface of the threaded head.

[0012] Optionally, a plug post is fixedly connected to the side wall of the second wheel body, and a jack matching the plug post is formed on the side wall of the first wheel body.

[0013] Optionally, a first connection hole is formed on the side of the connecting head, a second connection hole matching the first connection hole is formed on the side of the connecting block, and a connection screw is threadedly connected between the first connection hole and the second connection hole.

[0014] In summary, compared with the prior art, an outer star wheel for connecting an automobile transmission shaft provided by the present utility model has the following beneficial effects:

[0015] 1. In the present utility model, by inserting the plug post into the jack, the first wheel body and the second wheel body are closed, and then the fixing column together with the fixing block is inserted into the installation hole and the installation groove, and then limited and fixed by the fastening screw, the first wheel body and the second wheel body are assembled. The assembly setting of the outer star wheel is more convenient during maintenance, reduces the maintenance cost, and enhances the practicability of the outer star wheel for connecting the automobile transmission shaft.

[0016] 2. In the present utility model, multiple connecting blocks can be assembled with each other, thereby changing the height of the handle body of the outer star wheel and improving the overall applicability of the outer star wheel. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0018] Figure 2 is an assembled structural schematic diagram of the present utility model;

[0019] Figure 3 This is a schematic diagram of the mounting hole structure of the present utility model;

[0020] Figure 4 This is a schematic diagram of the structure at the connection between the first cavity and the second cavity of the present utility model;

[0021] Figure 5 This is a schematic diagram of the second cavity structure of the present utility model;

[0022] Figure 6 This is a schematic diagram of the fixed seat structure of the present utility model;

[0023] Figure 7 This is a schematic diagram of the structure at the connection between the fixed seat and the connecting block of the present utility model;

[0024] In the figure: 1, the first wheel body; 2, the second wheel body; 3, the mounting groove; 4, the rubber plug; 5, the fixing block; 6, the fixing column; 7, the threaded head; 8, the fastening screw; 9, the mounting hole; 10, the insertion post; 11, the insertion hole; 12, the limiting groove; 13, the fixed seat; 14, the connecting column; 15, the stabilizing disc; 16, the limiting hole; 161, the through hole; 17, the limiting screw; 18, the connecting head; 19, the first connecting hole; 20, the connecting block; 21, the assembly hole; 22, the groove; 23, the second connecting hole; 24, the connecting screw; 25, the handle body. Specific embodiments

[0025] In order to enable those skilled in the art to better understand the solution of the present utility model, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

[0026] Refer to Figure 1 and Figure 2 , an outer star wheel for connecting an automobile drive shaft, comprising a first wheel body 1 and a second wheel body 2. An installation groove 3 is provided on one side of the second wheel body 2, and an installation hole 9 that matches the installation groove 3 is provided inside the second wheel body 2 and the first wheel body 1. The installation hole 9 communicates with the outside. A fixing column 6 is inserted into the installation hole 9. One end of the fixing column 6 is fixedly connected to a fixing block 5 corresponding to the installation groove 3, and a threaded head 7 is provided at the other end of the fixing column 6. A fastening screw 8 is threadedly connected to the surface of the threaded head 7. A rubber plug 4 is sealed in the installation hole 9 in the first wheel body 1 to prevent dust from entering, and the installation hole 9 in the first wheel body 1 is a counterbore for limiting the insertion post 10 by the fastening screw 8.

[0027] Refer to Figure 4 and Figure 5 , an insertion post 10 is fixedly connected to the side wall of the second wheel body 2, and an insertion hole 11 that cooperates with the insertion post 10 is provided on the side wall of the first wheel body 1.

[0028] Further, during use, the insertion post 10 is inserted into the insertion hole 11, so as to close the first wheel body 1 and the second wheel body 2. Subsequently, the fixing post 6 together with the fixing block 5 is inserted into the mounting hole 9 and the mounting groove 3, and then limited and fixed by the fastening screw 8, the first wheel body 1 and the second wheel body 2 are assembled. Finally, the rubber plug 4 is inserted into the mounting hole 9 in the first wheel body 1 to prevent external dust from entering.

[0029] Reference Figures 3 - 6 , a fixing seat 13 is arranged above the first wheel body 1 and the second wheel body 2. The lower surface of the fixing seat 13 is fixedly connected with a connecting post 14. The lower surface of the connecting post 14 is fixedly connected with a stabilizing plate 15 corresponding to the limiting groove 12. Limiting grooves 12 are formed in the tops of both the first wheel body 1 and the second wheel body 2, and the stabilizing plate 15 and the connecting post 14 can be fitted and installed with the limiting groove 12.

[0030] Further, the stabilizing plate 15 and the connecting post 14 are stuck in the limiting groove 12, and the fixing seat 13 is clamped and fixed when the first wheel body 1 and the second wheel body 2 are closed.

[0031] Reference Figure 1 and Figure 6 , a plurality of limiting holes 16 for cooperation are formed in both the stabilizing plate 15 and the fixing seat 13. A limiting screw 17 is threadedly connected inside the limiting hole 16. Through holes 161 for cooperation with the limiting holes 16 are formed in the upper surfaces of the first wheel body 1 and the second wheel body 2. During use, the limiting screw 17 fixes the fixing seat 13 inside the first wheel body 1 and the second wheel body 2 to prevent the fixing seat 13 from rotating during use.

[0032] Reference Figure 1 and Figure 7 , a connecting head 18 is fixedly connected to the upper surface of the fixing seat 13. A plurality of first connecting holes 19 are formed in the side surface of the connecting head 18, and a connecting block 20 is sleeved on the outer surface of the connecting head 18. A groove 22 corresponding to the connecting head 18 is formed in the bottom of the connecting block 20, and a second connecting hole 23 for cooperation with the first connecting hole 19 is formed in the side surface of the connecting block 20. A connecting screw 24 is threadedly connected inside the first connecting hole 19 and the second connecting hole 23 for assembling the connecting block 20 and the connecting head 18.

[0033] Reference Figure 1 and Figure 7 , an assembly hole 21 is formed in the outer side of the top of the connecting block 20, and a handle body 25 is sleeved on the top of the connecting block 20. A hole corresponding to the assembly hole 21 is formed in the outer side of the handle body 25, and is fixedly assembled with the connecting block 20 by using a connecting screw 24.

[0034] Further, multiple connecting blocks 20 can be assembled with each other, so as to change the height of the outer planet wheel handle body 25 and improve the applicability of the overall outer planet wheel.

[0035] As used in the specification and claims, certain terms are used to refer to specific components. Those skilled in the art should understand that hardware manufacturers may use different terms to refer to the same component. The specification and claims of this application do not use the difference in names as a way to distinguish components, but use the difference in functions of components as the criterion for distinction. As mentioned throughout the specification and claims, the term "comprising" is an open-ended term and should be interpreted as "comprising but not limited to". "Substantially" means within an acceptable error range. Those skilled in the art can solve the technical problem within a certain error range and basically achieve the technical effect.

[0036] It should be noted that the term "including", "comprising" or any other variant thereof is intended to cover non-exclusive inclusion, so that a commodity or system including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or further includes elements inherent to such commodity or system. Without further limitation, an element defined by the statement "including one..." does not exclude the existence of another identical element in the commodity or system including the said element.

[0037] The above description shows and describes several preferred embodiments of the present application. However, as mentioned above, it should be understood that the present application is not limited to the form disclosed herein, should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be changed within the scope of the application concept described herein through the above teachings or the technology or knowledge in the relevant field. And any changes and variations made by those skilled in the art without departing from the spirit and scope of the present application shall fall within the protection scope of the appended claims of the present application.

Claims

1. An outer star wheel for connecting a vehicle transmission shaft, characterized in that: The invention comprises a first wheel body (1) and a second wheel body (2), wherein the top of the first wheel body (1) and the top of the second wheel body (2) are equipped with a fixing seat (13), the lower surface of the fixing seat (13) is fixedly connected to a connecting column (14), and the lower surface of the connecting column (14) is fixedly connected to a stabilizing plate (15). The upper surface of the fixing seat (13) is fixedly connected with a connecting head (18), and the outer surface of the connecting head (18) is sleeved with a connecting block (20). The bottom of the connection block (20) is provided with a groove (22) corresponding to the connection head (18), and the top of the connection head (18) block is sleeved with a handle body (25).

2. The outer star wheel for connecting the automobile transmission shaft according to claim 1, characterized in that: The tops of the first wheel body (1) and the second wheel body (2) are both provided with limiting grooves (12) corresponding to the stabilizing plate (15); the insides of the stabilizing plate (15) and the fixing seat (13) are both provided with limiting holes (16); the upper surfaces of the first wheel body (1) and the second wheel body (2) are provided with through holes (161) used in conjunction with the limiting holes (16); the internal threads of the limiting holes (16) are connected to limiting screws (17).

3. The outer star wheel for connecting the automobile transmission shaft according to claim 2, characterized in that: A mounting groove (3) is provided on one side of the second wheel body (2), and mounting holes (9) are provided inside the second wheel body (2) and the first wheel body (1), and a fixing column (6) is inserted inside the mounting hole (9).

4. The outer star wheel for connecting the automobile transmission shaft according to claim 3, characterized in that: One end of the fixing column (6) is fixedly connected to a fixing block (5) corresponding to the mounting groove (3), and the other end of the fixing column (6) is provided with a threaded head (7), and a fastening screw (8) is threadedly connected to the surface of the threaded head (7).

5. The outer star wheel for connecting the automobile transmission shaft according to claim 3, characterized in that: The side wall of the second wheel body (2) is fixedly connected with an insertion column (10), and the side wall of the first wheel body (1) is provided with an insertion hole (11) for use with the insertion column (10).

6. The outer star wheel for connecting the automobile transmission shaft according to claim 1, characterized in that: A first connection hole (19) is provided on the side of the connection head (18), a second connection hole (23) used in conjunction with the first connection hole (19) is provided on the side of the connection block (20), and a connection screw (24) is threadedly connected between the first connection hole (19) and the second connection hole (23).

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