Oil seal for automobile shock absorber

Abstract

The utility model discloses an oil seal for an automobile shock absorber, which relates to the technical field of oil seals and comprises a mounting frame and an oil-resistant rubber sleeve, the oil-resistant rubber sleeve is arranged inside the mounting frame, and positioning mechanisms are arranged on the mounting frame and the oil-resistant rubber sleeve. The positioning mechanism comprises a plurality of internal thread cylinders, fixing screws, a fixing plate, a plurality of supporting plates, a positioning ring and a plurality of positioning openings, the internal thread cylinders are fixedly mounted at the top end of the inner wall of the mounting frame, the fixing screws are in threaded connection with the inner walls of the internal thread cylinders, and the fixing plate is fixedly mounted at one ends of the fixing screws. The supporting plate is fixed to the inner wall of the mounting frame through fixing screws, one end of the supporting plate is inserted into a positioning opening in the outer wall of the positioning ring, the outer wall of the oil-resistant rubber sleeve is supported and positioned through the supporting plate, the strength of the oil-resistant rubber sleeve is improved, displacement of the oil-resistant rubber sleeve is reduced, the supporting plate is convenient to disassemble and replace, and the service life of the oil-resistant rubber sleeve is prolonged. And the supporting effect on the oil-resistant rubber sleeve can be kept by replacing the supporting plate.

Description

TECHNICAL FIELD

[0001] The utility model relates to oil seal technical field especially relates to a car shock absorber oil seal. BACKGROUND

[0002] The main function of the car shock absorber oil seal is to prevent the hydraulic oil in the shock absorber from leaking, and to prevent the dust and impurities from the outside from entering the shock absorber, so as to ensure the normal work of the shock absorber. The seal of the shock absorber oil seal is the close fit between the sealing material and the piston rod, and the dynamic seal is realized by elastic deformation. The sealing material in the shock absorber oil seal can be an oil-resistant rubber sleeve. When the shock absorber is working, the shock absorber is subjected to impact and vibration for a long time, and the sealing material in the shock absorber is easy to be located, which affects the sealing performance. SUMMARY

[0003] The utility model provides a car shock absorber oil seal to overcome the prior art's deficiencies and solve the problem of the sealing material in the shock absorber being easy to be located and affecting the sealing performance.

[0004] Therefore, the utility model provides a car shock absorber oil seal, which comprises a mounting frame and an oil-resistant rubber sleeve, the oil-resistant rubber sleeve is arranged in the mounting frame, and a positioning mechanism is arranged on the mounting frame and the oil-resistant rubber sleeve.

[0005] The positioning mechanism comprises a plurality of internal thread cylinders, fixing screws, a fixed plate, a plurality of supporting plates, a positioning ring and a plurality of positioning openings, the internal thread cylinders are fixedly installed at the top end of the inner wall of the mounting frame, the fixing screws are threadedly connected to the inner wall of the internal thread cylinders, the fixed plate is fixedly installed at one end of the fixing screws, the positioning ring is fixedly installed at the outer wall of the oil-resistant rubber sleeve, the positioning openings are arranged on the outer wall of the positioning ring, the supporting plates are arranged in the mounting frame, and one end of the supporting plates is clamped with the positioning openings.

[0006] Optionally, the supporting plates are L-shaped.

[0007] Optionally, a fixing groove is arranged on one side of the supporting plates, and the fixed plate is clamped with the fixing groove.

[0008] Optionally, a mounting hole is arranged at the bottom center of the inner wall of the mounting frame, and the bottom of the oil-resistant rubber sleeve is fixedly installed in the inner wall of the mounting hole.

[0009] Optionally, a fixed ring is fixedly installed at the bottom end of the inner wall of the mounting frame, and a plurality of integral protrusions are arranged at the top end of the fixed ring.

[0010] Optionally, the protrusions are arranged on both sides of the supporting plates.

[0011] Optionally, an oil seal clasp is mounted inside the mounting frame, and the oil seal clasp is located on the outer wall of the oil-resistant rubber sleeve.

[0012] From the above technical solutions, the embodiments of the utility model have the following advantages:

[0013] 1. The oil seal for an automobile shock absorber, by setting the positioning mechanism, the supporting plate is fixed in the inner wall of the mounting frame through the fixing screw, one end of the supporting plate is inserted into the positioning port of the outer wall of the positioning ring, the oil-resistant rubber sleeve is supported and positioned at the outer wall of the oil-resistant rubber sleeve through the supporting plate, the strength of the oil-resistant rubber sleeve is increased, the displacement of the oil-resistant rubber sleeve is reduced, and the supporting plate is convenient to disassemble and replace, and the supporting effect of the oil-resistant rubber sleeve can be maintained by replacing the supporting plate.

[0014] 2. The oil seal for an automobile shock absorber, by setting the fixing ring, the protrusions on the fixing ring block the two sides of the supporting plate, and the supporting plate is limited in position, so that the shaking of the supporting plate can be well reduced.

[0015] The features and advantages of the utility model will be disclosed in detail in the following specific embodiments and drawings. BRIEF DESCRIPTION OF DRAWINGS

[0016] The utility model will be further explained in combination with the drawings:

[0017] Figure 1 It is the structure schematic view of the utility model;

[0018] Figure 2 It is the sectional view of the utility model;

[0019] Figure 3 It is the oil-resistant rubber sleeve view of the utility model;

[0020] Figure 4 It is the fixed ring view of the utility model.

[0021] Mark explanation: 1, mounting frame; 2, internal thread cylinder; 3, fixed screw; 4, fixed ring; 5, protrusion; 6, oil-resistant rubber sleeve; 7, positioning ring; 8, positioning port; 9, mounting hole; 10, fixed plate; 11, supporting plate; 12, fixed groove; 13, oil seal clasp. DETAILED DESCRIPTION

[0022] The technical solutions of the embodiments of the utility model will be explained and described in combination with the drawings of the embodiments of the utility model, but the following embodiments are only preferred embodiments of the utility model, not all. Based on the embodiments in the embodiments, other embodiments obtained by those skilled in the art without creative labor all belong to the protection scope of the utility model.

[0023] An oil seal for an automobile shock absorber is specifically described below with reference to the drawings.

[0024] Embodiment 1

[0025] For the convenience of understanding, please refer to Figures 1 to 4 An embodiment of the oil seal for the automobile shock absorber provided by the utility model, which comprises a mounting frame 1 and an oil-resistant rubber sleeve 6, the oil-resistant rubber sleeve 6 is arranged inside the mounting frame 1, and a positioning mechanism is arranged on the mounting frame 1 and the oil-resistant rubber sleeve 6; the positioning mechanism comprises a plurality of internal thread cylinders 2, fixing screws 3, a fixed plate 10, a plurality of supporting plates 11, a positioning ring 7 and a plurality of positioning openings 8, the plurality of internal thread cylinders 2 are fixedly installed at the top end of the inner wall of the mounting frame 1, the fixing screws 3 are threadedly connected to the inner wall of the internal thread cylinder 2, the fixed plate 10 is fixedly installed at one end of the fixing screw 3, the positioning ring 7 is fixedly installed at the outer wall of the oil-resistant rubber sleeve 6, the plurality of positioning openings 8 are arranged on the outer wall of the positioning ring 7, and the plurality of supporting plates 11 are arranged inside the mounting frame 1 and are clamped at one end with the positioning openings 8.

[0026] It should be noted that, by arranging the positioning mechanism, the supporting plates 11 are fixed in the inner wall of the mounting frame 1 through the fixing screws 3, one end of the supporting plates 11 is inserted into the positioning openings 8 on the outer wall of the positioning ring 7, the outer wall of the oil-resistant rubber sleeve 6 is supported and positioned through the supporting plates 11, the strength of the oil-resistant rubber sleeve 6 is increased, the displacement of the oil-resistant rubber sleeve 6 is reduced, the supporting plates 11 are convenient to disassemble and replace, and the supporting effect on the oil-resistant rubber sleeve 6 can be maintained by replacing the supporting plates 11; the mounting frame 1 is circular, and the supporting plates 11 are circularly distributed in the mounting frame 1; the top end of the internal thread cylinder 2 extends to the outside of the top end of the mounting frame 1.

[0027] In this example, the supporting plates 11 are L-shaped, and a metal sheet with a relatively large thickness can be selected.

[0028] In some embodiments, as shown in Figure 2 One side of the supporting plate 11 is provided with a fixing groove 12, and the fixed plate 10 is clamped with the corresponding fixing groove 12.

[0029] It should be noted that the fixed plate 10 and the fixing groove 12 are circular, the fixed plate 10 is driven to rise or fall by screwing the fixing screw 3, and the supporting plate 11 is convenient to disassemble and install.

[0030] In some embodiments, as shown in Figure 1 A mounting hole 9 is arranged at the center of the bottom end of the inner wall of the mounting frame 1, and the bottom of the oil-resistant rubber sleeve 6 is fixedly installed on the inner wall of the mounting hole 9.

[0031] It should be noted that the oil-resistant rubber sleeve 6 is sleeved on the outer wall of the shaft body in the shock absorber, and the protruding part on the inner wall of the oil-resistant rubber sleeve 6 is tightly attached to the shaft body, so as to realize sealing.

[0032] In this example, a vertical notch is provided at the positioning port 8 on the outer wall of the positioning ring 7, which facilitates one end of the support plate 11 to be inserted into or removed from the positioning port 8.

[0033] Example 2

[0034] In some embodiments, such as Figure 4 As shown, a fixing ring 4 is fixedly installed at the bottom of the inner wall of the mounting frame 1. Several integrally formed protrusions 5 are provided at the top of the fixing ring 4. The protrusions 5 are located on both sides of the corresponding support plate 11. An oil seal ring 13 is installed inside the mounting frame 1. The oil seal ring 13 is located on the outer wall of the oil-resistant rubber sleeve 6.

[0035] It should be noted that by setting the fixing ring 4, the protrusions 5 on it block the two sides of the support plate 11, thereby limiting the support plate 11 and effectively reducing the shaking of the support plate 11.

[0036] Working principle: When installing the support plate 11, insert one end of the support plate 11 into the corresponding positioning hole 8 on the outer wall of the positioning ring 7, so that one side of the support plate 11 is attached to the top of the fixing ring 4 and the support plate 11 is located between the two corresponding protrusions 5. Then tighten the fixing screw 3, so that the fixing plate 10 is lowered and pressed into the fixing groove 12 at the other end of the support plate 11, thus completing the installation of the support plate 11.

[0037] The above-described embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this application.

Claims

1. An oil seal for a shock absorber of an automobile, characterized by: The utility model provides an oil seal fixing frame, which comprises a mounting frame (1) and an oil-resistant rubber sleeve (6) arranged inside the mounting frame (1), and positioning mechanisms are arranged on the mounting frame (1) and the oil-resistant rubber sleeve (6). The positioning mechanisms comprise a plurality of inner threaded cylinders (2), fixing screws (3), fixing plates (10), a plurality of supporting plates (11), a positioning ring (7) and a plurality of positioning openings (8), the inner threaded cylinders (2) are fixedly installed at the top of the inner wall of the mounting frame (1), the fixing screws (3) are threadedly connected to the inner wall of the inner threaded cylinders (2), the fixing plates (10) are fixedly installed at one end of the fixing screws (3), the positioning ring (7) is fixedly installed on the outer wall of the oil-resistant rubber sleeve (6), the positioning openings (8) are arranged on the outer wall of the positioning ring (7), the supporting plates (11) are arranged inside the mounting frame (1), and one end of the supporting plates (11) is clamped with the positioning openings (8).

2. The oil seal for a shock absorber of an automobile according to claim 1, characterized in that: The supporting plates (11) are L-shaped.

3. The oil seal for a shock absorber of an automobile according to claim 1, characterized in that: Fixing grooves (12) are arranged on one side of the supporting plates (11), and the fixing plates (10) are clamped with the fixing grooves (12).

4. The oil seal for a shock absorber of an automobile according to claim 1, characterized in that: An installation hole (9) is arranged at the bottom center of the inner wall of the mounting frame (1), and the bottom of the oil-resistant rubber sleeve (6) is fixedly installed on the inner wall of the installation hole (9).

5. The oil seal for a shock absorber of an automobile according to claim 1, characterized in that: A fixing ring (4) is fixedly installed at the bottom of the inner wall of the mounting frame (1), and a plurality of integral protrusions (5) are arranged at the top of the fixing ring (4).

6. The oil seal for a shock absorber of an automobile according to claim 5, characterized in that: The protrusions (5) are arranged on both sides of the supporting plates (11).

7. The oil seal for a shock absorber of an automobile according to claim 1, characterized in that: An oil seal clasp (13) is arranged inside the mounting frame (1), and the oil seal clasp (13) is arranged on the outer wall of the oil-resistant rubber sleeve (6).

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