CN216447590U

CN216447590U - Sealing structure with fastening nut

Info

Publication number: CN216447590U
Application number: CN202122669262.5U
Authority: CN
Inventors: 王印国; 孙春阳; 周广松
Original assignee: Hebei Province Sanfeng Rubber And Plastic Product Co ltd
Current assignee: Hebei Province Sanfeng Rubber And Plastic Product Co ltd
Priority date: 2021-11-03
Filing date: 2021-11-03
Publication date: 2022-05-06
Anticipated expiration: 2031-11-03

Abstract

The utility model discloses a sealing structure with a fastening nut, which comprises a pipe body, wherein a groove is formed in the side wall of the pipe body, an O-shaped ring is arranged in the groove, the outer surface of the pipe body is movably connected with a hexagonal joint, a first external thread is arranged on the outer surface of the hexagonal joint, a sealing gasket is arranged on the side surface of the hexagonal joint, a second external thread is arranged in the pipe body, a fastening thin nut is fixedly connected to the outer surface of the second external thread, and a protecting sleeve is connected to the outer surface of the pipe body and positioned on one side of the hexagonal joint in a sliding manner. According to the utility model, the first external thread on the hexagonal joint is meshed with the internal thread on the clutch master cylinder by rotating the hexagonal joint, so that the hexagonal joint is connected with the clutch master cylinder, the whole pipe body is prevented from rotating, the structure is simple, the operation is convenient, the assembly is easy, the work efficiency is favorably improved, and meanwhile, the quality hidden trouble caused by the follow-up rotation of the pipe body is avoided.

Description

Sealing structure with fastening nut

Technical Field

The utility model relates to the technical field of sealing structures, in particular to a sealing structure with a fastening nut.

Background

When the clutch oil pipe is connected with the clutch master cylinder, only an internal thread exists in the clutch master cylinder, the structure without a sealing boss is arranged inside, a sealing gasket is required to be used for sealing between the external thread of the clutch pipe and the clutch master cylinder, the hose of the clutch oil pipe is long, when the clutch oil pipe is installed, the whole pipe body generally needs to be screwed, the sealing between the clutch oil pipe and the clutch master cylinder can be realized, the clutch oil pipe is arranged and completed when wiring is carried out, the pipe body is very difficult to screw during assembly, the hose can be tightened by the rotation of the pipe body along with the rotation of the pipe body, the phenomenon of dead folding can be caused seriously, time and labor are wasted, the hidden quality trouble exists, the sealing structure with the fastening nut is designed for solving the problems, the working efficiency can be increased during assembly, the phenomenon of the follow-up rotation of the pipe body is avoided, and the hidden quality trouble caused by the follow-up rotation of the pipe body is avoided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a sealing structure with a fastening nut.

In order to achieve the purpose, the utility model adopts the following technical scheme: a sealing structure with a fastening nut comprises a pipe body, wherein a groove is formed in the side wall of the pipe body, an O-shaped ring is arranged in the groove, the outer surface of the pipe body is movably connected with a hexagonal joint, a first external thread is arranged on the outer surface of the hexagonal joint, a sealing gasket is arranged on the side surface of the hexagonal joint, a second external thread is arranged in the pipe body, and a fastening thin nut is fixedly connected to the outer surface of the second external thread;

a protective sleeve is slidably connected to one side of the outer surface of the pipe body, which is located at the hexagonal joint, and is fixedly connected with the fastening thin nut, and an oil filling hole is formed in one side, which is close to the fastening thin nut, of the outer surface of the protective sleeve;

and one side of the hexagonal joint, which is close to the fastening thin nut, is provided with a jacking mechanism.

As a further description of the above technical solution:

the tight mechanism in top includes the fixed block, the fixed block is fixed on the hexagonal connector, the extrusion groove has been seted up to the inside of fixed block, the inside wall fixedly connected with extrusion spring in extrusion groove, the one end fixedly connected with slide of extrusion inslot inside wall is kept away from to the extrusion spring, one side fixedly connected with kicking block of extrusion spring is kept away from to the slide.

As a further description of the above technical solution:

the fixed block, the sliding plate and the ejector block are all annular, the sliding plate is in sliding connection with the extrusion groove, the ejector block is in sliding connection with the fixed block, and the ejector block is made of rubber materials.

As a further description of the above technical solution:

the groove and the sealing ring are correspondingly arranged, and the sealing ring is matched with the groove.

As a further description of the above technical solution:

the body and the second external screw thread structure as an organic whole to the external diameter of second external screw thread is less than the internal diameter of hexagonal joint.

As a further description of the above technical solution:

the fastening thin nut is a hexagonal nut, and the side surface of the hexagonal joint is hexagonal.

The utility model has the following beneficial effects:

1. compared with the prior art, this seal structure with fastening nut connects through rotating the hexagonal, makes the hexagonal connect the first external screw thread and the internal thread engagement on the separation and reunion master cylinder to connect the hexagonal and be connected with the separation and reunion master cylinder, avoid rotating whole body, simple structure, convenient operation, easily assembly is favorable to improving work efficiency, avoids the body to follow the quality hidden danger that the commentaries on classics brought simultaneously.

2. Compared with the prior art, this seal structure with fastening nut, through rotating the thin nut control hexagonal of fastening and connecting and sliding on the body to make sealing ring and O type circle paste tightly, and the hexagonal connects and is provided with sealed the pad with the contact surface of separation and reunion master cylinder, and seals up body and separation and reunion master cylinder, structural design is reasonable, convenient operation.

3. Compared with the prior art, this seal structure with fastening nut through setting up the lag for protect the second external screw thread, avoid the second external screw thread to receive external factor and damage, and add lubricating oil on the second external screw thread regularly through the tank filler sleeve, and lubricate the protection to the thin nut of fastening, reduce wearing and tearing.

4. Compared with the prior art, this seal structure with fastening nut removes through the elasticity control slide that utilizes extrusion spring, kicking block to extrude fastening thin nut, avoid fastening thin nut to receive vibrations to influence to take place to become flexible, be favorable to improving the leakproofness of sealing ring and O type circle.

Drawings

Fig. 1 is a sectional view of a sealing structure with a fastening nut according to the present invention;

FIG. 2 is a schematic view of the structure A of FIG. 1 according to the present invention;

FIG. 3 is a side view of a sealing structure with a fastening nut according to the present invention;

fig. 4 is a schematic structural diagram of B in fig. 1 according to the present invention.

Illustration of the drawings:

1. a pipe body; 2. a groove; 3. an O-shaped ring; 4. a hexagonal joint; 5. a seal ring; 6. a first external thread; 7. a gasket; 8. a second external thread; 9. fastening a thin nut; 10. a protective sleeve; 11. an oil filling hole; 12. a fixed block; 13. extruding a groove; 14. a compression spring; 15. a slide plate; 16. and (7) a top block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 4, the present invention provides a sealing structure with a fastening nut: the sealing device comprises a pipe body 1, the pipe body 1 and a second external thread 8 are of an integral structure, the outer diameter of the second external thread 8 is smaller than the inner diameter of a hexagonal joint 4, the second external thread 8 is prevented from being damaged when the hexagonal joint 4 slides on the outer surface of the pipe body 1, meanwhile, the hexagonal joint 4 can slide conveniently, the end part of the pipe body 1 is convex, a groove 2 is formed conveniently, a groove 2 is formed in the side wall of the pipe body 1 and is mainly used for installing an O-shaped ring 3, the groove 2 and a sealing ring 5 are arranged correspondingly, the sealing ring 5 is matched with the groove 2, when the hexagonal joint 4 moves under the action of a fastening thin nut 9, the sealing ring 5 is inserted into the groove 2 and is extruded with the O-shaped ring 3, the sealing purpose is achieved, the O-shaped ring 3 is arranged in the groove 2, the outer surface of the pipe body 1 is movably connected with the hexagonal joint 4, the side surface of the hexagonal joint 4 is hexagonal joint in a hexagonal shape, and the hexagonal joint 4 can be controlled to rotate conveniently, when the hexagonal connects 4 to rotate, make the hexagonal connect first external screw thread 6 on 4 and the interior thread engagement on the separation and reunion master cylinder, thereby connect 4 and separation and reunion master cylinder with the hexagonal and be connected, avoid rotating whole body 1, the surface that the hexagonal connects 4 is provided with first external screw thread 6, interior thread phase-match on first external screw thread 6 and the separation and reunion master cylinder, the hexagonal connects 4 side surface and is provided with sealed the pad 7 that fills up, be used for improving the hexagonal and connect 4 and realize sealedly with the extrusion of separation and reunion master cylinder terminal surface, the inside of body 1 is provided with second external screw thread 8, make things convenient for thin nut 9 of fastening to control the hexagonal to connect 4 to remove, thereby control sealing ring 5 extrudees O type circle 3, the outer fixed surface of second external screw thread 8 is connected with thin nut 9 of fastening, be used for control hexagonal to connect 4 to remove, thin nut 9 is hexagon nut 9 and moves

A protective sleeve 10 is slidably connected to one side of the outer surface of the pipe body 1, which is located on the hexagonal joint 4, and is used for protecting the second external threads 8 and preventing the second external threads 8 from being damaged by external factors, the protective sleeve 10 is fixedly connected with the fastening thin nut 9, an oil filling hole 11 is formed in one side of the outer surface of the protective sleeve 10, which is close to the fastening thin nut 9, lubricating oil is periodically added to the second external threads 8 through the oil filling hole 11, the fastening thin nut 9 is lubricated and protected, and abrasion is reduced;

one side of the hexagonal joint 4 close to the fastening thin nut 9 is provided with a jacking mechanism for extruding the fastening thin nut 9, so as to prevent the fastening thin nut 9 from loosening under the influence of vibration, which is beneficial to improving the sealing performance of the sealing ring 5 and the O-shaped ring 3, the jacking mechanism comprises a fixed block 12, the fixed block 12 is fixed on the hexagonal joint 4, an extrusion groove 13 is formed inside the fixed block 12, a sliding plate 15 and a jacking block 16 are controlled by utilizing the elasticity of the extrusion spring 14 to move and extrude the fastening thin nut 9, the inner side wall of the extrusion groove 13 is fixedly connected with the extrusion spring 14, one end of the extrusion spring 14 far away from the inner side wall of the extrusion groove 13 is fixedly connected with the sliding plate 15, the sliding plate 15 is in sliding connection with the extrusion groove 13, one side of the sliding plate 15 far away from the extrusion spring 14 is fixedly connected with the jacking block 16, the jacking block 16 is in sliding connection with the fixed block 12, and the jacking block 16 is made of rubber material, the fixed block 12, the sliding plate 15 and the top block 16 are all annular.

The working principle is as follows: during installation, the pipe body 1 is inserted into the clutch master cylinder, then the hexagonal joint 4 is rotated, the first external thread 6 on the hexagonal joint 4 is meshed with the internal thread on the clutch master cylinder, so that the hexagonal joint 4 is connected with the clutch master cylinder to avoid rotating the whole pipe body 1, then the fastening thin nut 9 is rotated, the hexagonal joint 4 is controlled to drive the sealing ring 5 to move, the sealing ring 5 extrudes the O-shaped ring 3, the sealing purpose is realized, the protection sleeve 10 is arranged to protect the second external thread 8 and prevent the second external thread 8 from being damaged by external factors, lubricating oil is periodically added onto the second external thread 8 through the oil filling hole 11, the fastening thin nut 9 is lubricated and protected, the abrasion is reduced, the sliding plate 15 and the jacking block 16 are controlled to move by utilizing the elasticity of the extrusion spring 14, and the fastening thin nut 9 is extruded, the fastening thin nut 9 is prevented from being loosened under the influence of vibration, and the sealing performance of the sealing ring 5 and the O-shaped ring 3 is improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a seal structure with fastening nut, includes body (1), its characterized in that: a groove (2) is formed in the side wall of the pipe body (1), an O-shaped ring (3) is arranged in the groove (2), a hexagonal joint (4) is movably connected to the outer surface of the pipe body (1), a first external thread (6) is arranged on the outer surface of the hexagonal joint (4), a sealing gasket (7) is arranged on the side surface of the hexagonal joint (4), a second external thread (8) is arranged in the pipe body (1), and a fastening thin nut (9) is fixedly connected to the outer surface of the second external thread (8);

a protective sleeve (10) is slidably connected to one side, located on the hexagonal joint (4), of the outer surface of the pipe body (1), the protective sleeve (10) is fixedly connected with the fastening thin nut (9), and an oil filling hole (11) is formed in one side, close to the fastening thin nut (9), of the outer surface of the protective sleeve (10);

and one side of the hexagonal joint (4) close to the fastening thin nut (9) is provided with a jacking mechanism.

2. A seal structure with a fastening nut according to claim 1, characterized in that: the tight mechanism in top includes fixed block (12), fixed block (12) are fixed on hexagonal connects (4), extrusion groove (13) have been seted up to the inside of fixed block (12), inside wall fixedly connected with extrusion spring (14) of extrusion groove (13), one end fixedly connected with slide (15) of extrusion groove (13) inside wall are kept away from in extrusion spring (14), one side fixedly connected with kicking block (16) of extrusion spring (14) are kept away from in slide (15).

3. A sealing structure with a fastening nut according to claim 2, characterized in that: the fixed block (12), the sliding plate (15) and the ejector block (16) are all annular, the sliding plate (15) is in sliding connection with the extrusion groove (13), the ejector block (16) is in sliding connection with the fixed block (12), and the ejector block (16) is made of rubber materials.

4. A seal structure with a fastening nut according to claim 1, characterized in that: the groove (2) and the sealing ring (5) are correspondingly arranged, and the sealing ring (5) is matched with the groove (2).

5. A seal structure with a fastening nut according to claim 1, characterized in that: the pipe body (1) and the second external thread (8) are of an integral structure, and the outer diameter of the second external thread (8) is smaller than the inner diameter of the hexagonal joint (4).

6. A seal structure with a fastening nut according to claim 1, characterized in that: the fastening thin nut (9) is a hexagonal nut, and the side surface of the hexagonal joint (4) is hexagonal.