Pipe connecting mechanism of hydraulic element for automobile

By combining internal and external sealing mechanisms, the leakage problem caused by vibration at the hydraulic component connection point is solved, achieving stable sealing under vibration conditions and ensuring the normal operation of the hydraulic system.

CN223524731UActive Publication Date: 2025-11-07CHANGSHU MEMBER METAL PROD CO LTD
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Patent Information

Application Number
CN202520074791.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-13
Publication Date
2025-11-07
Estimated Expiration
2035-01-13

AI Technical Summary

Technical Problem

The connection points of hydraulic components in automobiles are prone to leakage when vibrating, leading to sealing stability issues and affecting the vehicle's driving stability.

Method used

The design employs a combination of internal and external sealing mechanisms. The internal sealing mechanism utilizes the cooperation between the air bladder and the sealing ring, while the external sealing mechanism achieves multiple seals and enhances sealing stability through the threaded connection between the moving ring plug seat and the fixed ring groove seat.

Benefits of technology

It effectively prevents leakage at the connection points of hydraulic components under vibration conditions, improves the stability of hydraulic components, and ensures the normal transmission of hydraulic oil.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model belongs to the field of automobile accessories, and particularly relates to a pipe connecting mechanism of a hydraulic element for an automobile, which comprises a pipe sleeve, a bent pipe is clamped in the pipe sleeve, two ends of the bent pipe are symmetrically connected with corrugated pipes, the corrugated pipes are connected with extension pipes protruding outwards, and the other ends of the extension pipes are connected to an adapter pipe. The inner sealing mechanism comprises a sealing ring installed at the slotting position of an inner cavity of the adapter tube, an air bag part is clamped in an inner cavity of the sealing ring, an air valve seat is arranged on one side of the air bag part, and a ventilation tube penetrating through the air bag part and the adapter tube is installed on the air valve seat. The outer sealing mechanism comprises a fixed ring groove seat formed at one end of the adapter tube; the inner sealing mechanism and the outer sealing mechanism are arranged at the adapter pipe, the problem that normal transmission of a hydraulic element pipeline is affected due to the fact that a single sealing structure breaks down when the adapter pipe is vibrated can be solved through the inner sealing and outer sealing combined mode, and the using stability of the hydraulic element adapter pipe is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of automobile parts, concretely relates to a connecting pipe mechanism of hydraulic element for automobile. BACKGROUND

[0002] Hydraulic connecting pipe refers to the part used for connecting hydraulic elements and hydraulic pipeline in hydraulic system, and its main function is to connect different hydraulic elements to form a closed hydraulic circuit. Hydraulic connecting pipe plays a crucial role in hydraulic system, ensuring the flow and pressure transmission of hydraulic oil. Hydraulic elements for automobile refer to various components used in automobile hydraulic system, mainly including hydraulic pump, hydraulic motor, hydraulic cylinder, hydraulic valve and hydraulic pipeline, etc. These elements play a key role in various systems of automobile, ensuring normal operation and performance of automobile.

[0003] Due to the large vibration generated during driving of automobile, the single sealing structure at the connecting pipe of hydraulic element is prone to leakage when subjected to vibration. The hydraulic element failure caused by sealing stability problem will directly affect the stability of automobile driving. The connecting pipe structure of hydraulic element for automobile has high requirement on sealing stability. SUMMARY

[0004] (I) Utility model purpose

[0005] To solve the technical problems in the background art, the utility model provides a connecting pipe mechanism of hydraulic element for automobile, which has the characteristics of multiple sealing structures cooperating to prevent leakage at the connecting pipe.

[0006] (II) Technical scheme

[0007] To solve the above technical problems, the utility model provides a connecting pipe mechanism of hydraulic element for automobile, which comprises a pipe sleeve, the inside of the pipe sleeve clamping a elbow pipe, the two ends of the elbow pipe symmetrically connected with corrugated pipes, the corrugated pipes connected with outwardly protruding extension pipes, the other end of the extension pipes connected to an adapter pipe;

[0008] The inner sealing mechanism comprises a sealing ring installed in the slotted inner cavity of the adapter pipe, the inner cavity of the sealing ring clamping an air bag piece, one side of the air bag piece provided with an air valve seat, the air valve seat installed with an air pipe penetrating the air bag piece and the adapter pipe;

[0009] The outer sealing mechanism comprises a fixed ring groove seat formed at one end of the adapter pipe, one side of the fixed ring groove seat provided with a movable ring plug seat matched therewith, the outer side of the movable ring plug seat sleeved with a ring plate attached to the adapter pipe, the connecting part of the two installed with a penetrating positioning bolt.

[0010] Preferably, the pipe sleeve is a right-angle structure, and the two ends of the elbow pipe protrude from the middle part of the pipe sleeve respectively.

[0011] Preferably, the bellows is a bendable deformation structure, and the two ends of the bellows are connected with the bend pipe and the adapter pipe respectively.

[0012] Preferably, the cross section of the sealing ring is a "U" structure, and a deformable air bag is clamped inside the sealing ring.

[0013] Preferably, the air bag is provided with a gas storage cavity inside, and the gas storage cavity is connected with the air pipe on the valve seat to form a gas passage.

[0014] Preferably, the movable ring seat is sleeved on the outer periphery of the hydraulic element pipeline, and the end face of the movable ring seat attached to the fixed ring groove seat is provided with a matching thread.

[0015] The above technical scheme of the utility model has the following beneficial technical effects: the inner sealing mechanism and the outer sealing mechanism are arranged at the adapter pipe, and the combination of the inner and outer sealing can solve the problem of the failure of a single sealing structure affecting the normal transmission of the hydraulic element pipeline under vibration, and improve the stability of the hydraulic element adapter pipe. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 The figure is a structural schematic view of the utility model;

[0017] Fig. 2 The figure is a sectional view of the utility model;

[0018] Fig. 3 The figure is a separation structure schematic view of the utility model.

[0019] Reference signs:

[0020] 1, pipe sleeve; 2, bend pipe; 3, bellows; 4, extension pipe; 5, adapter pipe; 61, sealing ring; 62, air bag; 63, valve seat; 64, air pipe; 71, fixed ring groove seat; 72, movable ring seat; 73, ring plate; 74, positioning bolt. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the utility model more clear and explicit, the utility model is further described in detail below in combination with specific implementation manners and with reference to the drawings. It should be understood that these descriptions are only exemplary, and are not intended to limit the scope of the utility model. In addition, in the following description, the description of the known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.

[0022] As Figs. 1-3The utility model provides a kind of pipe connection mechanism for hydraulic element of automobile, including sleeve 1, the inside of sleeve 1 is clamped with elbow pipe 2, the both ends of elbow pipe 2 are symmetrically connected with bellow 3, bellow 3 is connected with the outward bulge extension pipe 4, the other end of extension pipe 4 is connected to adapter pipe 5;

[0023] In order to protect elbow pipe 2, sleeve 1 is arranged as a right-angle structure, the both ends of elbow pipe 2 respectively protrude the middle part of sleeve 1, and the both ends of elbow pipe 2 are guided and limited;

[0024] The inner sealing mechanism includes a sealing ring 61 installed in the inner cavity of the adapter pipe 5, the inner cavity of the sealing ring 61 clamps an air bag member 62, one side of the air bag member 62 is provided with an air valve seat 63, and a gas pipe 64 penetrating through the air bag member 62 and the adapter pipe 5 is installed on the air valve seat 63;

[0025] The outer sealing mechanism includes a fixed ring groove seat 71 formed on one end of the adapter pipe 5, the fixed ring groove seat 71 is provided with a movable ring plug seat 72 matched therewith, the outer side of the movable ring plug seat 72 is sleeved with a ring plate 73 attached to the adapter pipe 5, and a positioning bolt 74 penetrating through the connection part of the two is installed.

[0026] It should be noted that the bellow 3 is a bendable deformation structure, the both ends of which are formed with extension pipes 4 connected with the elbow pipe 2 and the adapter pipe 5 respectively, when the hydraulic element works, the pipeline will slightly displace with the action of the hydraulic component, and the purpose of arranging the bellow 3 is to make a full-angle slight deformation when displacing, so as to prevent the fixed pipeline from being torn and damaged, and cooperate when the hydraulic component acts.

[0027] In the embodiment, the inner sealing mechanism and the outer sealing mechanism are arranged at the adapter pipe 5;

[0028] The inner sealing mechanism is auxiliary sealing by the expansion of the air bag member 62, the cross section of the sealing ring 61 is a "U-shaped" structure, and the inner cavity clamps the deformable air bag member 62, when the pipeline of the hydraulic element is connected to the adapter pipe 5, the air bag member 62 expands to tightly attach the sealing ring 61 to the outer wall of the pipeline of the hydraulic element, and the inner sealing is realized;

[0029] The outer sealing mechanism is that the movable ring plug seat 72 is sleeved on the outer periphery of the pipeline of the hydraulic element, when the pipeline of the hydraulic element is connected to the adapter pipe 5, the end face of the fixed ring groove seat 71 attached thereto is provided with a matching thread, the movable ring plug seat 72 is screwed into the fixed ring groove seat 71, and the outer sealing is realized through the thread cooperation and fixation;

[0030] The combination of the inner and outer sealing can solve the problem that the single sealing structure fails to affect the normal transmission of the pipeline of the hydraulic element when vibrating, and improve the stability of the use of the hydraulic element pipe connection.

[0031] It can be understood that the air bag member 62 is internally provided with a gas storage cavity, the gas storage cavity is connected with the air pipe 64 on the air valve seat 63 as a gas passage, and the inflation or contraction of the air bag member 62 can be controlled by inflating or deflating the gas storage cavity.

[0032] It should be understood that the above specific embodiments of the present application are only used for illustrative or explanatory purposes of the principles of the present application, and do not constitute a limitation on the present application. Therefore, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present application shall be included in the protection scope of the present application. In addition, the appended claims of the present application are intended to cover all changes and modifications falling within the scope and boundary of the appended claims, or the equivalent forms of such scope and boundary.

Claims

1. A hydraulic component connection mechanism for an automobile, characterized by comprising: The utility model provides a pipe sleeve (1), the inside of pipe sleeve (1) holds the elbow pipe (2), the both ends of elbow pipe (2) are connected with the corrugated pipe (3) symmetry, the corrugated pipe (3) is connected with the outward bulge extension pipe (4), the other end of extension pipe (4) is connected to adapter pipe (5); The inner sealing mechanism includes a sealing ring (61) installed in the slotted inner cavity of the adapter pipe (5), the inner cavity of the sealing ring (61) holds a gas bag (62), one side of the gas bag (62) is provided with a gas valve seat (63), the gas valve seat (63) is installed with a gas pipe (64) penetrating through the gas bag (62) and the adapter pipe (5); The outer sealing mechanism includes a fixed ring groove seat (71) formed on one end of the adapter pipe (5), one side of the fixed ring groove seat (71) is provided with a movable ring plug seat (72) matched therewith, the outer side of the movable ring plug seat (72) is sleeved with a ring plate (73) attached to the adapter pipe (5), and a positioning bolt (74) penetrating through the connection of the two is installed.

2. The adapter mechanism for a hydraulic component of an automobile according to claim 1, wherein The pipe sleeve (1) is a right-angle structure, and the two ends of the elbow pipe (2) respectively protrude from the middle part of the pipe sleeve (1).

3. The adapter mechanism for a hydraulic component of an automobile according to claim 1, wherein The corrugated pipe (3) is a bendable deformation structure, and the two ends of the corrugated pipe (3) are respectively connected with the elbow pipe (2) and the adapter pipe (5) through the extension pipes (4) formed thereon.

4. The adapter mechanism for a hydraulic component of an automobile according to claim 1, wherein The cross section of the sealing ring (61) is a "U-shaped" structure, and the inside of the sealing ring (61) holds a deformable gas bag (62).

5. The adapter mechanism for a hydraulic component of an automobile according to claim 4, wherein The gas bag (62) is internally provided with a gas storage cavity, and the gas storage cavity is connected with the gas pipe (64) on the gas valve seat (63) to form a gas passage.

6. The adapter mechanism for a hydraulic component of an automobile according to claim 1, wherein The movable ring plug seat (72) is sleeved on the outer periphery of the hydraulic element pipeline, and the end face of the movable ring plug seat (72) attached to the fixed ring groove seat (71) is provided with a matching thread.