CN219327876U

CN219327876U - Axial sealing device for hydraulic pipeline of hydraulic mechanical equipment

Info

Publication number: CN219327876U
Application number: CN202320782233.6U
Authority: CN
Inventors: 刘延兴; 李静; 修新亮
Original assignee: Qingdao Sanwei Automobile Equipment Co ltd
Current assignee: Qingdao Sanwei Automobile Equipment Co ltd
Priority date: 2023-04-11
Filing date: 2023-04-11
Publication date: 2023-07-11
Anticipated expiration: 2033-04-11

Abstract

The utility model discloses an axial sealing device for a hydraulic pipeline of hydraulic mechanical equipment, which belongs to the technical field of hydraulic pipeline sealing and comprises an oil pipe I, an oil pipe II, an oil pipe flange I and an oil pipe flange II; a fastening assembly is arranged between the first oil pipe flange and the second oil pipe flange; according to the utility model, through the matched use of the first oil pipe, the second oil pipe and the first oil pipe flange and the second oil pipe flange, when one end of the first oil pipe and one end of the second oil pipe are connected together, the protruding parts of the protruding parts are positioned in the first hole in the first oil pipe flange, so that the positions of the sealing grooves of the first oil pipe and the second oil pipe joint are positioned in the first oil pipe flange, oil is not leaked when the fastening screw is fastened, oil leakage is avoided when the fastening screw is slightly loosened, and the problem that the hydraulic pipeline joint is easy to loose and leak oil can be effectively solved through the arrangement of the device.

Description

Axial sealing device for hydraulic pipeline of hydraulic mechanical equipment

Technical Field

The utility model relates to the technical field of hydraulic pipeline sealing, in particular to an axial sealing device for a hydraulic pipeline of hydraulic mechanical equipment.

Background

At present, all hydraulic pipelines used by hydraulic machinery equipment manufacturing companies are provided with joints, various types of joints are basically in an end face sealing mode, after the equipment is operated for a period of time, connecting bolts of flanges of the joints are slightly loosened, but people do not maintain the equipment in time, oil leaks, the phenomenon can continuously exist, and the hydraulic faults of the whole equipment can seriously cause shutdown and production stoppage, so that an axial sealing device for the hydraulic pipelines of the hydraulic machinery equipment needs to be provided.

Disclosure of Invention

The utility model aims to provide an axial sealing device for a hydraulic pipeline of hydraulic mechanical equipment, which has the advantages of good sealing performance and capability of effectively solving the oil leakage problem at the joint of the hydraulic pipeline so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

an axial sealing device for a hydraulic pipeline of hydraulic mechanical equipment comprises an oil pipe I, an oil pipe II, an oil pipe flange I and an oil pipe flange II; a fastening assembly is arranged between the first oil pipe flange and the second oil pipe flange, and the first oil pipe flange and the second oil pipe flange are fastened together through a fastening assembly; one end of the first oil pipe, which is connected with the second oil pipe, is arranged in a protruding way; the oil pipe flange comprises an oil pipe flange body, wherein a first hole matched with a protruding part of the oil pipe is formed in an inner cavity of the oil pipe flange body, a second hole is formed in inner cavities of the oil pipe flange body and the oil pipe flange body, and one end of the second hole in the oil pipe flange body is communicated with the first hole.

Preferably, the joint between the first hole and the second hole and one end of the second inner cavity hole of the oil pipe flange plate are respectively provided with a clamping table matched with the protruding parts of the first oil pipe and the second oil pipe, and the protruding parts of the first oil pipe and the second oil pipe are respectively clamped with the corresponding clamping tables.

Preferably, the fastening assembly comprises threaded holes formed in four corners of the first oil pipe flange and the second oil pipe flange, one side of the second oil pipe flange is in threaded connection with a fastening screw at the corresponding position of the threaded holes, and one end of the fastening screw is in threaded connection with the threaded holes in the surfaces of the second oil pipe flange and the first oil pipe flange respectively.

Preferably, a sealing gasket is arranged between the first oil pipe flange and the second oil pipe flange, and two sides of the sealing gasket are respectively attached to the surfaces of the first oil pipe flange and the second oil pipe flange.

Preferably, the surface of the sealing gasket is provided with a through hole matched with a fastening screw, and one end of the fastening screw penetrates through the through hole and extends to the outside of the through hole.

Preferably, a countersunk hole matched with the fastening screw is formed in the surface of the oil pipe flange II, and one end of the fastening screw is hidden in the inner cavity of the countersunk hole.

Preferably, the protruding parts of the first oil pipe and the second oil pipe are respectively provided with a sealing groove, and the two sealing grooves are respectively arranged in the inner cavity of the first hole.

Preferably, one end of the first hole is provided with a guide groove.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, through the matched use of the first oil pipe, the second oil pipe and the first oil pipe flange and the second oil pipe flange, when one end of the first oil pipe and one end of the second oil pipe are connected together, the protruding parts of the protruding parts are positioned in the first hole in the first oil pipe flange, so that the positions of the sealing grooves of the first oil pipe and the second oil pipe joint are positioned in the first oil pipe flange, oil is not leaked when the fastening screw is fastened, oil leakage is avoided when the fastening screw is slightly loosened, and the problem that the hydraulic pipeline joint is easy to loose and leak oil can be effectively solved through the arrangement of the device;

2. according to the oil pipe flange device, the first oil pipe flange and the second oil pipe flange can be locked and fixed together through the arrangement of the fastening assembly, one end of the first oil pipe and one end of the second oil pipe are connected together, the connecting end face between the first oil pipe flange and the second oil pipe flange can be subjected to sealing treatment through the arrangement of the sealing gasket, so that the sealing performance of the device is improved, and a user can conveniently install the first oil pipe in the first oil pipe flange through the arrangement of the guide groove.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of a first oil pipe flange of the present utility model;

FIG. 3 is a schematic diagram of a first oil pipe flange of the present utility model;

FIG. 4 is an enlarged view of the utility model at A in FIG. 3;

FIG. 5 is a schematic diagram of a second embodiment of the oil pipe of the present utility model;

FIG. 6 is a schematic diagram of a second oil pipe flange of the present utility model;

FIG. 7 is a schematic cross-sectional view of the utility model at B-B in FIG. 6;

fig. 8 is a schematic structural view of the gasket of the present utility model.

In the figure: 1. an oil pipe I; 2. an oil pipe II; 3. an oil pipe flange I; 4. an oil pipe flange II; 5. a first hole; 6. a second hole; 7. a clamping table; 8. a threaded hole; 9. fastening a screw; 10. a sealing gasket; 11. a through hole; 12. a countersunk hole; 13. sealing grooves; 14. a guide groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-7, the utility model provides an axial sealing device for a hydraulic pipeline of hydraulic mechanical equipment, wherein an oil pipe 1, an oil pipe 2, an oil pipe flange 3 and an oil pipe flange 4 are arranged in a protruding manner, one end of the oil pipe 1 connected with the oil pipe 2 is provided with a hole 5 matched with a protruding part of the oil pipe 1, the inner cavities of the oil pipe flange 3 and the oil pipe flange 4 are provided with a hole 6, one end of the hole 6 on the oil pipe flange 3 is communicated with the hole 5, a joint between the hole 5 and the hole 6 and one end of the hole 6 of the oil pipe flange 4 are provided with a clamping table 7 matched with protruding parts of the oil pipe 1 and the oil pipe 2, and the protruding parts of the oil pipe 1 and the oil pipe 2 are respectively clamped with the corresponding clamping table 7;

through the protruding arrangement of one end of the first oil pipe 1 and the second oil pipe 2 and the matched use of the clamping table 7, the first oil pipe 1, the second oil pipe 2, the first oil pipe flange 3 and the second oil pipe flange 4 can be connected together in a clamping way, when the oil pipe is installed, a user can sequentially penetrate through the first jack 5 and the second jack 6 at one end of the first oil pipe 1 and enable one end of the first oil pipe to penetrate to the outside of the first oil pipe flange 3, and at the moment, the protruding part of the first oil pipe 1 can be abutted against the clamping table 7 at the joint of the first jack 5 and the second jack 6 so as to prevent the first oil pipe 1 from falling off from the inner cavity of the first oil pipe flange 3;

after the first oil pipe 1 and the first oil pipe flange 3 are installed together, a user can install the second oil pipe 2 on the second oil pipe flange 4, during installation, the user can insert one end of the second oil pipe 2 through a second hole 6 in the second oil pipe flange 4, and when the protruding part of the second oil pipe 2 is abutted against a clamping table 7 on one side of the second oil pipe flange 4, the second oil pipe 2 stops moving, and at the moment, the installation of the second oil pipe 2 and the second oil pipe flange 4 is completed;

a fastening component is arranged between the first oil pipe flange 3 and the second oil pipe flange 4, the first oil pipe flange 3 and the second oil pipe flange 4 are fastened together through the fastening component, the fastening component comprises threaded holes 8 formed in four corners of the surfaces of the first oil pipe flange 3 and the second oil pipe flange 4, one side of the second oil pipe flange 4 is in threaded connection with a fastening screw 9 at a corresponding position of the threaded holes 8, and one end of the fastening screw 9 is in threaded connection with the threaded holes 8 in the surfaces of the second oil pipe flange 4 and the first oil pipe flange 3 respectively;

after the first oil pipe 1 and the second oil pipe 2 are respectively connected to the first oil pipe flange 3 and the second oil pipe flange 4, a user can move the first oil pipe flange 4 to be close to the first oil pipe flange 3, at the moment, the protruding part of the second oil pipe 2 can be inserted into the first hole 5 in the first oil pipe flange 3, then the user can screw the fastening screw 9, one end of the fastening screw 9 is sequentially connected with threaded holes 8 on the surfaces of the first oil pipe flange 4 and the second oil pipe flange 3 in a threaded manner, so that the second oil pipe flange 4 and the first oil pipe flange 3 are locked and fixed together, and the purpose of connecting the first oil pipe 1 with the second oil pipe 2 is achieved.

Further, the protruding portions of the first oil pipe 1 and the second oil pipe 2 are provided with the sealing grooves 13, the two groups of sealing grooves 13 are arranged in the inner cavity of the first hole 5, one end of the first hole 5 is provided with the guide groove 14, after the first oil pipe 1 and the second oil pipe 2 are connected together, the sealing grooves 13 on the surfaces of the first oil pipe 1 and the second oil pipe 2 are located in the inner cavity of the first hole 5, and as the first hole 5 of the first oil pipe flange 3 is deeper, the positions of the sealing grooves 13 of the joints of the first oil pipe 1 and the second oil pipe 2 are located in the first oil pipe flange 3, oil is not leaked when the fastening screw 9 is fastened, and oil is not leaked even if the fastening screw 9 is slightly loosened as long as a loosening clearance does not exceed the joint of the first oil pipe 1 and the second oil pipe 2 of the sealing grooves 13.

Example 2

Referring to fig. 1, 6 and 8, the difference between the embodiment 2 and the embodiment 1 is that: a sealing gasket 10 is arranged between the first oil pipe flange 3 and the second oil pipe flange 4, two sides of the sealing gasket 10 are respectively attached to the surfaces of the first oil pipe flange 3 and the second oil pipe flange 4, through holes 11 matched with the fastening screws 9 are formed in the surfaces of the sealing gasket 10, one ends of the fastening screws 9 penetrate through the through holes 11 and extend to the outside of the through holes 11, countersunk holes 12 matched with the fastening screws 9 are formed in the surfaces of the second oil pipe flange 4, and one ends of the fastening screws 9 are hidden in inner cavities of the countersunk holes 12;

through the setting of sealed pad 10, can carry out sealing treatment to the junction between oil pipe flange one 3 and the oil pipe flange two 4 to prevent the junction oil leak between oil pipe flange one 3 and the oil pipe flange two 4 of the junction of oil pipe one 1 and oil pipe two 2, through the setting of through-hole 11, can provide the removal space for fastening screw 9, make it can alternate sealed pad 10 and with the screw hole 8 threaded connection of oil pipe flange one 3 surfaces, through the setting of countersunk hole 12, when fastening screw 9 screws up the state, its one end can be hidden at countersunk hole 12's inner chamber, in order to promote the planarization of oil pipe flange two 4 surfaces.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An axial sealing device for a hydraulic line of a hydraulic machine, comprising:

the oil pipe comprises an oil pipe I (1), an oil pipe II (2), an oil pipe flange I (3) and an oil pipe flange II (4);

a fastening component is arranged between the first oil pipe flange (3) and the second oil pipe flange (4), and the first oil pipe flange (3) and the second oil pipe flange (4) are fastened together through the fastening component;

one end of the first oil pipe (1) connected with the second oil pipe (2) is arranged in a protruding mode;

the oil pipe flange comprises an oil pipe flange body, wherein a first hole (5) matched with a protruding part of the oil pipe body (1) is formed in an inner cavity of the oil pipe flange body (3), a second hole (6) is formed in inner cavities of the oil pipe flange body (3) and the oil pipe flange body (4), and one end of the second hole (6) in the oil pipe flange body (3) is communicated with the first hole (5).

2. An axial sealing device for hydraulic lines of a hydraulic machine according to claim 1, wherein: the joint between the first hole (5) and the second hole (6) and one end of the second hole (6) in the inner cavity of the second oil pipe flange plate (4) are respectively provided with clamping tables (7) which are matched with the protruding parts of the first oil pipe (1) and the second oil pipe (2), and the protruding parts of the first oil pipe (1) and the second oil pipe (2) are respectively clamped with the corresponding clamping tables (7).

3. An axial sealing device for hydraulic lines of a hydraulic machine according to claim 1, wherein: the fastening assembly comprises threaded holes (8) formed in four corners of the surfaces of the first oil pipe flange (3) and the second oil pipe flange (4), one side of the second oil pipe flange (4) is in threaded connection with a fastening screw (9) at the corresponding position of the threaded hole (8), and one end of the fastening screw (9) is in threaded connection with the threaded holes (8) in the surfaces of the second oil pipe flange (4) and the first oil pipe flange (3) respectively.

4. A hydraulic line axial seal for a hydro-mechanical device according to claim 3 wherein: sealing gaskets (10) are arranged between the first oil pipe flange (3) and the second oil pipe flange (4), and two sides of each sealing gasket (10) are respectively attached to the surfaces of the first oil pipe flange (3) and the second oil pipe flange (4).

5. An axial seal for a hydraulic line of a hydromechanical device according to claim 4, wherein: the surface of the sealing gasket (10) is provided with a through hole (11) matched with the fastening screw (9), and one end of the fastening screw (9) penetrates through the through hole (11) and extends to the outside of the through hole (11).

6. A hydraulic line axial seal for a hydro-mechanical device according to claim 3 wherein: the surface of the oil pipe flange II (4) is provided with a countersunk hole (12) matched with the fastening screw (9), and one end of the fastening screw (9) is hidden in the inner cavity of the countersunk hole (12).

7. An axial sealing device for hydraulic lines of a hydraulic machine according to claim 1, wherein: the protruding portions of the first oil pipe (1) and the second oil pipe (2) are respectively provided with a sealing groove (13), and the two sealing grooves (13) are respectively arranged in the inner cavity of the first hole (5).

8. An axial sealing device for hydraulic lines of a hydraulic machine according to claim 1, wherein: one end of the first hole (5) is provided with a guide groove (14).