Dual-seal universal joint assembly

Abstract

The utility model relates to the technical field of universal joint assemblies, in particular to a double-seal universal joint assembly. According to the technical scheme, the device comprises a rubber ring, two ball sleeves and a connecting ball, the two ball sleeves are connected through a communicating pipe, a through groove is formed in the middle of the ends, away from the communicating pipe, of the two ball sleeves, the rubber ring is fixed in the through groove, the connecting ball is movably installed in the ball sleeves, and the connecting ball is connected with the rubber ring. A connecting rod is fixed to one end of the connecting ball, the end, away from the connecting ball, of the connecting rod extends to the exterior of the ball sleeve through a through groove, a connecting plate is fixed to the middle of the connecting rod, the exterior of one side of the connecting plate is connected with the ball sleeve through a rubber sleeve, and an oil inlet pipe is installed in the middle of a communicating pipe in a communicating mode; a sealing plug is movably installed at the upper end of the oil inlet pipe, the rubber sleeve is cylindrical, and the diameter of the inner side of the rubber sleeve is equal to that of the through groove. The connecting structure has the advantage that the connecting part can be protected.

Description

Technical Field

[0001] The utility model relates to the technical field of universal joint assemblies, in particular to a double-sealed universal joint assembly. Background Art

[0002] The universal joint assembly, often referred to as a universal joint, is a broad general term for a key component in universal joints and plays a vital role in the transmission systems of mechanical equipment such as automobiles. Through a series of sophisticated components and structures, it enables flexible power transmission and free angle changes.

[0003] The universal joint assembly is an important component of the transmission system in mechanical equipment such as automobiles. The universal joint assembly facilitates the steering operation of the automobile. During operation, lubricating oil is required to ensure the flexibility inside the universal joint assembly. During use, the interior of the universal joint assembly and the lubricating oil need to be kept clean. Therefore, a universal joint assembly that is conducive to protecting the connection parts is now needed. Utility Model Content

[0004] The purpose of the utility model is to provide a double-sealed universal joint assembly, which has the advantage of being conducive to protecting the connection parts, and solves the problem of needing to use lubricating oil to ensure the flexibility inside the universal joint assembly during operation, and the need to keep the interior of the universal joint assembly and the lubricating oil clean during use.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a double-sealed universal joint assembly, comprising a rubber ring, a ball sleeve and a connecting ball, wherein two ball sleeves are provided, and the two ball sleeves are connected by a connecting pipe, and a through groove is provided in the middle of the ends of the two ball sleeves facing away from the connecting pipe, the rubber ring is fixed inside the through groove, and the connecting ball is movably installed inside the ball sleeve, a connecting rod is fixed at one end of the connecting ball, and the end of the connecting rod facing away from the connecting ball extends to the outside of the ball sleeve through the through groove, a connecting plate is fixed in the middle of the connecting rod, and one side of the connecting plate is connected to the ball sleeve by a rubber sleeve.

[0006] Preferably, an oil inlet pipe is connected and installed in the middle of the connecting pipe, and a sealing plug is movably installed at the upper end of the oil inlet pipe.

[0007] Preferably, the rubber sleeve is cylindrical, the inner diameter of the rubber sleeve is equal to the diameter of the through groove, and the outer diameter of the rubber sleeve is equal to the outer diameter of the connecting plate.

[0008] Preferably, the inner diameter of the rubber ring is matched with the outer diameter of the connecting rod, and the rubber ring is sleeved on the outer side of the connecting rod.

[0009] Preferably, the two connecting rods extend back to back, and the diameter of the connecting rod is smaller than the outer diameter of the connecting pipe.

[0010] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0011] 1. The utility model is conducive to achieving the effect of using the connecting rod by setting the ball sleeve and the connecting ball. The lubricating oil is injected into the two ball sleeves through the oil inlet pipe and the connecting pipe, and the lubricating oil is located between the ball sleeve and the connecting ball. By controlling the two connecting rods, the connecting ball rotates in the ball sleeve to achieve control of the Vientiane assembly. At the same time, the lubricating oil facilitates lubrication of the ball sleeve and the connecting ball.

[0012] 2. The utility model is conducive to achieving the effect of protecting the inside of the ball sleeve by providing a rubber ring and a rubber sleeve. Under the action of the rubber sleeve, the lubricating oil in the ball sleeve can be prevented from overflowing outward, and the rubber sleeve is conducive to protecting the outside of the rubber ring and the through groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the top structure of the utility model;

[0015] Figure 3 It is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 4 It is a schematic cross-sectional structural diagram of the present utility model.

[0017] In the figure: 1. Connecting rod; 2. Rubber ring; 3. Through groove; 4. Ball sleeve; 5. Connecting ball; 6. Connecting pipe; 7. Sealing plug; 8. Oil inlet pipe; 9. Rubber sleeve; 10. Connecting plate. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0019] Example 1

[0020] See also Figures 1-4The utility model provides an embodiment: a double-sealed universal joint assembly, including a rubber ring 2, a ball sleeve 4 and a connecting ball 5. There are two ball sleeves 4 in total, which are connected by a connecting pipe 6. A through groove 3 is opened in the middle of the two ball sleeves 4 at one end away from the connecting pipe 6. The rubber ring 2 is fixed inside the through groove 3. The connecting ball 5 is movably installed inside the ball sleeve 4. A connecting rod 1 is fixed at one end of the connecting ball 5, and the end of the connecting rod 1 away from the connecting ball 5 extends to the outside of the ball sleeve 4 through the through groove 3. A connecting plate 10 is fixed in the middle of the connecting rod 1, and the outside of one side of the connecting plate 10 is connected to the ball sleeve 4 through a rubber sleeve 9.

[0021] An oil inlet pipe 8 is connected and installed in the middle of the connecting pipe 6 , and a sealing plug 7 is movably installed on the upper end of the oil inlet pipe 8 .

[0022] The inner diameter of the rubber ring 2 matches the outer diameter of the connecting rod 1 , and the rubber ring 2 is sleeved on the outer side of the connecting rod 1 .

[0023] The two connecting rods 1 extend back to back, and the diameter of the connecting rod 1 is smaller than the outer diameter of the connecting pipe 6 .

[0024] The lubricating oil is injected into the two ball sleeves 4 through the oil inlet pipe 8 and the connecting pipe 6, and the lubricating oil is located between the ball sleeves 4 and the connecting ball 5. By controlling the two connecting rods 1, the connecting ball 5 is rotated in the ball sleeve 4 to realize the control of the Vientiane assembly. At the same time, the lubricating oil facilitates the lubrication of the ball sleeves 4 and the connecting ball 5.

[0025] Example 2

[0026] See also Figures 1-4 The utility model provides an embodiment: a double-sealed universal joint assembly. Compared with the first embodiment, this embodiment further includes: a rubber ring 2, a ball sleeve 4 and a connecting ball 5. There are two ball sleeves 4 in total, and the two ball sleeves 4 are connected by a connecting pipe 6. A through groove 3 is opened in the middle of the ends of the two ball sleeves 4 away from the connecting pipe 6. The rubber ring 2 is fixed inside the through groove 3. The connecting ball 5 is movably installed inside the ball sleeve 4. A connecting rod 1 is fixed at one end of the connecting ball 5, and the end of the connecting rod 1 away from the connecting ball 5 extends to the outside of the ball sleeve 4 through the through groove 3. A connecting plate 10 is fixed in the middle of the connecting rod 1, and the outside of one side of the connecting plate 10 is connected to the ball sleeve 4 through a rubber sleeve 9.

[0027] The rubber sleeve 9 is cylindrical, and the inner diameter of the rubber sleeve 9 is equal to the diameter of the through groove 3 , and the outer diameter of the rubber sleeve 9 is equal to the outer diameter of the connecting plate 10 .

[0028] Under the action of the rubber sleeve 9, the lubricating oil in the ball sleeve 4 can be prevented from overflowing outwards, and the rubber sleeve 9 is beneficial to protecting the rubber ring 2 and the outside of the through groove 3.

[0029] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A double-sealed universal joint assembly, comprising a rubber ring (2), a ball sleeve (4) and a connecting ball (5), characterized in that: There are two ball sleeves (4) in total, and the two ball sleeves (4) are connected by a connecting pipe (6). A through groove (3) is provided in the middle of one end of the two ball sleeves (4) away from the connecting pipe (6). The rubber ring (2) is fixed inside the through groove (3). The connecting ball (5) is movably installed inside the ball sleeve (4). A connecting rod (1) is fixed at one end of the connecting ball (5), and the end of the connecting rod (1) away from the connecting ball (5) extends to the outside of the ball sleeve (4) through the through groove (3). A connecting plate (10) is fixed in the middle of the connecting rod (1), and the outside of one side of the connecting plate (10) is connected to the ball sleeve (4) through a rubber sleeve (9).

2. The double-sealed universal joint assembly according to claim 1, characterized in that: An oil inlet pipe (8) is connected and installed in the middle of the connecting pipe (6), and a sealing plug (7) is movably installed at the upper end of the oil inlet pipe (8).

3. The double-sealed universal joint assembly according to claim 1, characterized in that: The rubber sleeve (9) is cylindrical, the inner diameter of the rubber sleeve (9) is equal to the diameter of the through groove (3), and the outer diameter of the rubber sleeve (9) is equal to the outer diameter of the connecting plate (10).

4. The double-sealed universal joint assembly according to claim 1, characterized in that: The inner diameter of the rubber ring (2) is matched with the outer diameter of the connecting rod (1), and the rubber ring (2) is sleeved on the outer side of the connecting rod (1).

5. The double-sealed universal joint assembly according to claim 1, characterized in that: The two connecting rods (1) extend back to back, and the diameter of the connecting rod (1) is smaller than the outer diameter of the connecting pipe (6).

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