Brake pump oil seal structure with improved oil inlet

Abstract

The utility model discloses a brake pump oil seal structure with an improved oil inlet, which relates to the technical field of automobile brake pumps and comprises an outer seal cover, an inner static ring is fixedly mounted at the bottom end of the inner side of the outer seal cover, a movable ring is rotatably mounted at the top end of the inner static ring, and a fixed support sheet is fixedly mounted at the top end of the movable ring; the top end of the fixed supporting piece is fixedly connected with a supporting connecting ring, and a connecting spring is fixedly installed at the top end of the fixed supporting piece. A rotating shaft sleeve is rotationally connected to the inner side of the fixed supporting piece, and an oil seal cover is fixedly installed on the outer side of the rotating shaft sleeve. The bottom end of the oil seal cover is fixedly connected with an oil seal connecting pipe; meanwhile, during use, oil ports are changed to be in the same longitudinal axis, oil enters and exits from the same direction, the design of a side port in the prior art is avoided, side oil leakage is avoided, and compared with the working scheme in the prior art, the use function can be more stably provided, the use safety is improved, and the service life is prolonged. And convenience is provided for maintenance of workers.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile brake pumps, in particular to a brake pump oil seal structure with an improved oil inlet. Background Art

[0002] With the rapid development of various technologies, the application environment of mechanical devices is becoming more and more stringent, and the required performance is also relatively higher. As a component that seals liquid media (such as oil, water, etc.) in mechanical devices, oil seals must ensure the sealing performance of the cavity in the mechanical device. However, when the mechanical device runs at high speed, the sealing performance and reliability of the oil seal are subject to severe challenges.

[0003] The prior art discloses an oil seal structure with application number CN202011612297.9, in which the platform sealing surface of the sealing platform is in contact with the carrier part around the mounting hole, so that the platform sealing surface forms a planar seal around the mounting hole, thereby assisting the sealing between the outer circle of the oil seal body and the mounting hole, thereby enhancing the sealing effect between the oil seal body and the carrier; at the same time, the sealing platform is connected to the carrier to enhance the fixing between the oil seal body and the carrier.

[0004] However, the prior art still has certain defects. For example, the oil seal structure in the prior art needs to use the inlet and outlet at the side end for oil in and out during use. However, once oil leakage occurs, it is troublesome to inspect and maintain. Utility Model Content

[0005] In order to solve the deficiencies mentioned in the above background technology, the purpose of the utility model is to provide a brake pump oil seal structure with an improved oil inlet.

[0006] The purpose of the utility model can be achieved through the following technical solutions:

[0007] An improved brake pump oil seal structure with an oil inlet, comprising an outer seal cover, an inner static ring is fixedly mounted on the inner bottom end of the outer seal cover, a dynamic ring is rotatably mounted on the top end of the inner static ring, and a fixed support sheet is fixedly mounted on the top end of the dynamic ring;

[0008] The top of the fixed support sheet is fixedly connected with a support connection ring, and the top of the fixed support sheet is fixedly installed with a connection spring;

[0009] The inner side of the fixed support sheet is rotatably connected with a rotating shaft sleeve, and the outer side of the rotating shaft sleeve is fixedly installed with an oil seal cover;

[0010] The bottom end of the oil seal cover is fixedly connected with an oil seal connecting pipe, and a plurality of external fixing frames are distributed in an array outside the oil seal connecting pipe.

[0011] Furthermore, a connecting ring is fixedly connected to the top of the outer cover, an array of external fixing holes is distributed on the top of the connecting ring, and an auxiliary connecting groove is fixedly connected to the top of the connecting ring.

[0012] Furthermore, a static ring bracket is fixedly connected to the outer side of the inner static ring, a sealing groove is opened on the outer side of the static ring bracket, the top end of the inner static ring is fixedly connected, and a static sealing ring is fixedly installed on the inner side of the sealing groove.

[0013] Furthermore, a dynamic sealing ring is fixedly mounted on the top of the dynamic ring, and sealing inclined plates are provided on the top and bottom ends of the dynamic sealing ring.

[0014] Furthermore, a dynamic ring support is fixedly connected to the outer side of the connecting spring, and a support stabilizing groove is provided on the outer side of the top end of the dynamic ring support.

[0015] Furthermore, a sleeve connecting bracket is fixedly connected to the outer side of the rotating shaft sleeve, a sleeve stabilizing groove is opened at the position of the bottom end of the rotating shaft sleeve corresponding to the support stabilizing groove, and a sleeve connecting pipe is fixedly connected to the top end of the rotating shaft sleeve.

[0016] Beneficial effects of the utility model:

[0017] The utility model adopts the method of changing the oil port to the same longitudinal axis so that the oil can enter and exit from the same direction, avoiding the design of the side port adopted in the prior art, thereby avoiding oil leakage on the side. Compared with the working scheme in the prior art, it can provide the use function more stably, improve the safety of use, and also provide convenience for the maintenance of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described below in conjunction with the accompanying drawings.

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the external structure of the utility model

[0021] Figure 3 This is a cross-sectional view of the interior of the outer cover of the utility model;

[0022] Figure 4 This is a schematic diagram of the structure of the rotating shaft sleeve of the utility model;

[0023] Figure 5 This is a structural display diagram of the utility model;

[0024] Figure 6 It is a structural diagram of the oil seal cover of the utility model.

[0025] In the figure: 1. outer sealing cover; 11. connecting ring; 12. outer fixing hole; 13. auxiliary connecting groove; 2. inner static ring; 21. static ring bracket; 22. sealing groove; 23. supporting connecting ring; 24. static sealing ring; 3. dynamic ring; 31. dynamic sealing ring; 32. sealing inclined plate; 4. fixed supporting sheet; 41. supporting connecting ring; 42. connecting spring; 43. dynamic ring support; 44. support stabilizing groove; 5. rotating shaft sleeve; 51. shaft sleeve connecting bracket; 52. shaft sleeve stabilizing groove; 53. shaft sleeve connecting pipe; 6. oil seal cover; 61. oil seal connecting pipe; 62. outer fixing frame. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] A brake pump oil seal structure with an improved oil inlet, such as Figure 1 As shown, it includes an outer cover 1, an inner static ring 2 is fixedly installed at the bottom inner end of the outer cover 1, a dynamic ring 3 is rotatably installed at the top end of the inner static ring 2, a fixed support plate 4 is fixedly installed at the top end of the dynamic ring 3, and a rotating shaft sleeve 5 is rotatably connected to the inner side of the fixed support plate 4.

[0028] The inner static ring 2 is supported by the outer cover 1, so that the inner static ring 2 can rotate inside the outer cover 1, so that the inner static ring 2 drives the dynamic ring 3, the fixed support sheet 4 and the rotating shaft sleeve 5 to rotate, and the outer cover 1 is used for protection during the rotation.

[0029] like Figure 2 As shown, a connecting ring 11 is fixedly connected to the top of the outer cover 1 , an array of external fixing holes 12 are distributed on the top of the connecting ring 11 , and an auxiliary connecting groove 13 is fixedly connected to the top of the connecting ring 11 .

[0030] The outer cover 1 is fixed with the aid of a connecting ring 11 at the top, and the outer cover 1 is fixedly installed through a plurality of external fixing holes 12 outside the connecting ring 11, so that the installation and use of the entire pump is facilitated.

[0031] like Figure 4 As shown, a stationary ring bracket 21 is fixedly connected to the outer side of the inner stationary ring 2, a sealing groove 22 is opened on the outer side of the stationary ring bracket 21, a 23 is fixedly connected to the top of the inner stationary ring 2, and a static sealing ring 24 is fixedly installed on the inner side of the sealing groove 22.

[0032] The static sealing ring 24 is installed through the sealing groove 22 opened on the outside of the static ring bracket 21 outside the inner static ring 2, so that the inner static ring 2 can prevent the gap formed between the inner wall of the outer cover 1 and the inner static ring 2 from leaking oil from the bottom during the supporting work, thereby preventing the leaked oil from damaging other components of the brake pump and affecting the service life.

[0033] A dynamic sealing ring 31 is fixedly mounted on the top of the dynamic ring 3 , and sealing inclined plates 32 are provided at the top and bottom of the dynamic sealing ring 31 .

[0034] The dynamic ring 3 cooperates with the sealing inclined plate 32 at the bottom of the dynamic sealing ring 31 to assist in sealing, so as to prevent the dynamic ring 3 from being affected during movement, causing the normal working state inside to be affected, causing the internal oil to leak out and affecting the service life.

[0035] A support connection ring 41 is fixedly connected to the top of the fixed support piece 4, a connection spring 42 is fixedly installed on the top of the fixed support piece 4, a dynamic ring support 43 is fixedly connected to the outside of the connection spring 42, and a support stabilizing groove 44 is opened on the outside of the top of the dynamic ring support 43.

[0036] The position of the connecting spring 42 is fixed with the aid of the supporting connecting ring 41 at the top of the fixing support sheet 4, so as to prevent the connecting spring 42 and the outer dynamic ring support 43 from deviating during the rotation and ensure the service life.

[0037] like Figure 2 and 5 As shown, a sleeve connecting bracket 51 is fixedly connected to the outer side of the rotating sleeve 5, a sleeve stabilizing groove 52 is opened at the bottom end of the rotating sleeve 5 corresponding to the support stabilizing groove 44, and a sleeve connecting pipe 53 is fixedly connected to the top end of the rotating sleeve 5.

[0038] The sleeve stabilizing groove 52 at the bottom of the rotating sleeve 5 is used in conjunction with the support stabilizing groove 44 at the top of the fixed support plate 4 to ensure the service life, extend the working life, and ensure the use effect. The sleeve connecting bracket 51 and the sleeve connecting tube 53 are used to guide the rotating shaft.

[0039] An oil seal connecting pipe 61 is fixedly connected to the bottom end of the oil seal cover 6 , and a plurality of external fixing frames 62 are distributed in an array outside the oil seal connecting pipe 61 .

[0040] The oil inlet is guided by the oil seal connecting pipe 61 on the outside of the oil seal cover 6 so that the oil can enter from the oil seal connecting pipe 61 , thereby preventing oil from leaking from the side port on the outside of the oil seal cover in the prior art during use and extending the service life of the internal components.

[0041] When in use, the external fixing hole 12 on the outside of the external sealing cover 1 can be used to assist in fixing the entire mechanism so that the mechanism can be put into use correctly. The auxiliary connecting groove 13 on the outside of the external fixing hole 12 can be used to support the top oil seal cover 6 so that the oil seal connecting pipe 61 on the top of the oil seal cover 6 can correctly guide the oil in and out, so that the oil can only enter and exit from the top and bottom directions, preventing side leakage from affecting the life of the structure, and at the same time making it convenient for staff to perform maintenance.

[0042] The sleeve stabilizing groove 52 at the bottom of the rotating sleeve 5 is used in conjunction with the support stabilizing groove 44 at the top of the fixed support plate 4 to ensure the service life. The support connecting ring 41 at the top of the fixed support plate 4 assists in fixing the position of the connecting spring 42 to prevent the connecting spring 42 and the outer dynamic ring support 43 from offsetting during rotation and protecting the working state.

[0043] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A brake pump oil seal structure with an improved oil inlet, comprising an outer seal cover (1), characterized in that: An inner static ring (2) is fixedly mounted on the inner bottom end of the outer cover (1), a dynamic ring (3) is rotatably mounted on the top end of the inner static ring (2), and a fixed support sheet (4) is fixedly mounted on the top end of the dynamic ring (3); The top end of the fixed support sheet (4) is fixedly connected with a support connection ring (41), and the top end of the fixed support sheet (4) is fixedly installed with a connection spring (42); The inner side of the fixed support plate (4) is rotatably connected to a rotating shaft sleeve (5), and the outer side of the rotating shaft sleeve (5) is fixedly installed with an oil seal cover (6); The bottom end of the oil seal cover (6) is fixedly connected to an oil seal connecting pipe (61), and a plurality of external fixing frames (62) are distributed in an array outside the oil seal connecting pipe (61).

2. The improved brake pump oil seal structure with oil inlet according to claim 1, characterized in that: The top end of the outer cover (1) is fixedly connected to a connecting ring (11), the top end of the connecting ring (11) is provided with an array of external fixing holes (12), and the top end of the connecting ring (11) is fixedly connected to an auxiliary connecting groove (13).

3. The brake pump oil seal structure with improved oil inlet according to claim 1, characterized in that: The outer side of the inner static ring (2) is fixedly connected to a static ring bracket (21), the outer side of the static ring bracket (21) is provided with a sealing groove (22), the top end of the inner static ring (2) is fixedly connected to (23), and the inner side of the sealing groove (22) is fixedly installed with a static sealing ring (24).

4. The improved brake pump oil seal structure with oil inlet according to claim 1, characterized in that: A dynamic sealing ring (31) is fixedly mounted on the top end of the dynamic ring (3), and sealing inclined plates (32) are provided on the top end and the bottom end of the dynamic sealing ring (31).

5. The improved brake pump oil seal structure with oil inlet according to claim 1, characterized in that: The outer side of the connecting spring (42) is fixedly connected to a moving ring support (43), and the outer side of the top end of the moving ring support (43) is provided with a support stabilizing groove (44).

6. The improved brake pump oil seal structure with oil inlet according to claim 5, characterized in that: The outer side of the rotating shaft sleeve (5) is fixedly connected to a sleeve connecting bracket (51), the bottom end of the rotating shaft sleeve (5) is provided with a sleeve stabilizing groove (52) at a position corresponding to the support stabilizing groove (44), and the top end of the rotating shaft sleeve (5) is fixedly connected to a sleeve connecting pipe (53).

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