CN217207222U

CN217207222U - Fastening type pressure-relief rust-proof bolt

Info

Publication number: CN217207222U
Application number: CN202220023655.0U
Authority: CN
Inventors: 马志文; 吕良昆
Original assignee: Qingdao Chengzhuolin Metal Products Co ltd
Current assignee: Qingdao Chengzhuolin Metal Products Co ltd
Priority date: 2022-01-06
Filing date: 2022-01-06
Publication date: 2022-08-16
Anticipated expiration: 2032-01-06

Abstract

The utility model relates to the technical field of bolts, in particular to a fastening type pressure-relief rust-proof bolt, which comprises a bolt main body, wherein the bolt main body consists of a nut and a screw rod arranged at the lower end of the nut, the upper part of the outer part of the screw rod is provided with a pressure sleeve, the outer part of the lower part of the pressure sleeve is provided with a limit sleeve seat, a plurality of groups of second sealing rings are arranged inside the limit sleeve seat, the lower part of the outer part of the screw rod is provided with a connecting seat, a first sealing ring is arranged between the nut and the pressure sleeve, and an upper thread and a lower thread form a multi-section connecting structure, so that the whole fastening efficiency is improved, the connecting structure at the middle part is reduced, the whole operation is more convenient and rapid, the pressure relief of the pressure sleeve is convenient, the corrosion of the screw rod can be effectively avoided by the rust-proof coating at the outer part of the screw rod, the service life of the whole is prolonged, a multi-section fixing structure is formed, and the second sealing rings can effectively avoid the leakage when the pressure relief is carried out at the limit sleeve seat, the connecting ring plate can increase the fixed area, improve the overall stability and facilitate the fastening and pressure relief operation.

Description

Fastening type pressure-relief rust-proof bolt

Technical Field

The utility model relates to a bolt technical field specifically is a but rust-resistant bolt of fastening type pressure release.

Background

But fastening type pressure release rust-resistant bolt easily appears leaking the problem when the pressure release, influences the result of use, and the lower extreme of pressure cover does not set up fixed limit structure, the not hard up phenomenon easily appears.

Therefore, it is necessary to design a fastening type depressible rust preventive bolt to solve the above-mentioned problems in the background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a but fastening type pressure release rust-resistant bolt to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a fastening type can pressurize rust-resistant bolt, includes the bolt main part, the bolt main part comprises the nut and the screw rod of establishing at the nut lower extreme, the outside upper portion of screw rod is equipped with the pressure jacket, the outside of pressure jacket lower part is equipped with the stop collar seat, the inside multiunit second sealing washer that is equipped with of stop collar seat, the lower part of the outside of screw rod is equipped with the connecting seat, be equipped with first sealing washer between nut and the pressure jacket.

As the utility model discloses preferred scheme, screw rod upper portion is equipped with the screw thread, the screw rod lower part is equipped with down the screw thread, screw through last screw thread, lower screw thread between pressure cover and the screw rod and connect, the screw rod outside is equipped with anti rust coating.

As the utility model discloses preferred scheme, stop collar seat and connecting seat upper end all are equipped with the connecting ring board.

As the utility model discloses preferred scheme, department is equipped with the spacing groove that is the hexagon structure in the middle of the nut upper end.

As the preferred scheme of the utility model, cup joint between pressure jacket and the stop collar seat and connect.

As the utility model discloses preferred scheme, all screw the connection through lower screw between screw rod and stop collar seat, the connecting seat.

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

1. the utility model discloses in, through the design of bolt main part, go up the connection structure that screw thread and lower screw thread constitute the multistage formula, improved holistic fastening efficiency, reduced the connection structure of middle department for whole operation convenient and fast more, and make things convenient for the pressure cover pressure release, the outside anti rust coating of screw rod can effectively avoid the screw rod to receive the erosion, improves holistic life.

2. The utility model discloses in, through the design of stop collar seat and connecting seat, form multistage formula fixed knot and construct, the second sealing washer can effectively avoid leaking during the pressure release of stop collar seat department, and the connecting ring board can increase fixed area, improves holistic stability.

3. The utility model discloses in, through the design of nut, conveniently fasten and the pressure release operation.

Drawings

FIG. 1 is an overall structure diagram of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

fig. 3 is a structural view of the stop collar seat of the present invention.

In the figure: 1. a bolt body; 101. a nut; 102. a limiting groove; 103. screwing; 104. a screw; 105. lower threads; 2. a pressure sleeve; 3. a limiting sleeve seat; 301. a connecting ring plate; 4. a connecting seat; 5. a first seal ring; 6. and a second seal ring.

Detailed Description

The technical solution 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 some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

In order to facilitate understanding of the invention, the invention will be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the invention are shown, but which can be embodied in many different forms and are not limited to the embodiments described herein, but which are provided so as to render the disclosure of the invention more thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1-3, the present invention provides a technical solution:

the utility model provides a fastening type can pressurize rust-resistant bolt, includes bolt main part 1, and bolt main part 1 comprises nut 101 and the screw rod 104 of establishing at nut 101 lower extreme, and the outside upper portion of screw rod 104 is equipped with pressure jacket 2, and the outside of 2 lower parts of pressure jacket is equipped with

stop collar seat

3, and 3 inside multiunit second sealing washers 6 that are equipped with of stop collar seat, the lower part of the outside of screw rod 104 are equipped with connecting seat 4, are equipped with first sealing washer 5 between nut 101 and the pressure jacket 2.

An embodiment, please refer to fig. 1, fig. 2 and fig. 3, upper portion of the screw 104 is provided with an upper thread 103, lower portion of the screw 104 is provided with a lower thread 105, the upper thread 103 is arranged between the pressure sleeve 2 and the screw 104, the lower thread 105 is screwed for connection, the screw 104 is provided with an anti-rust coating outside, the pressure sleeve 2 is connected with the limit sleeve seat 3 in a sleeved manner, the screw 104 and the limit sleeve seat 3 are connected with each other through the lower thread 105, the connection between the connecting seat 4 is screwed for connection through the lower thread 105, through the design of the bolt body 1, the upper thread 103 and the lower thread 105 form a multi-section connection structure, the whole fastening efficiency is improved, the connection structure at the middle position is reduced, the whole operation is more convenient and faster, and the pressure sleeve 2 is convenient to release pressure, the anti-rust coating outside the screw 104 can effectively prevent the screw 104 from being corroded, and the service life of the whole is prolonged.

In an embodiment, referring to fig. 1, fig. 2 and fig. 3, the upper ends of the limiting sleeve seat 3 and the connecting seat 4 are both provided with a connecting ring plate 301, and a multi-section fixing structure is formed by the design of the limiting sleeve seat 3 and the connecting seat 4, the second sealing ring 6 can effectively avoid leakage when the pressure is released at the limiting sleeve seat 3, and the connecting ring plate 301 can increase the fixing area and improve the overall stability.

In an embodiment, referring to fig. 2, a hexagonal limiting groove 102 is disposed in the middle of the upper end of the nut 101, so that fastening and pressure relief operations are facilitated by the design of the nut 101.

The working principle is as follows: during the use, department is equipped with the spacing groove 102 that is the hexagon structure in the middle of nut 101 upper end, design through nut 101, conveniently fasten and the pressure release operation, design through spacing cover seat 3 and connecting seat 4, form multistage formula fixed knot and construct, second sealing washer 6 can effectively avoid leaking during the pressure release of spacing cover seat 3 department, connecting ring board 301 can increase fixed area, improve holistic stability, design through bolt main part 1, go up the connection structure that screw thread 103 and lower screw thread 105 constitute the multistage formula, holistic fastening efficiency has been improved, the connection structure of department in the middle of having reduced, make whole operation convenient and fast more, and make things convenient for pressure jacket 2 pressure release, the outside anticorrosive coating of screw rod 104 can effectively avoid screw rod 104 to receive the erosion, whole life is improved.

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

Claims

1. The utility model provides a fastening type rust-resistant bolt that can decompress, includes bolt main part (1), its characterized in that: bolt main part (1) comprises nut (101) and screw rod (104) of establishing nut (101) lower extreme, the outside upper portion of screw rod (104) is equipped with pressure jacket (2), the outside of pressure jacket (2) lower part is equipped with stop collar seat (3), stop collar seat (3) inside is equipped with multiunit second sealing washer (6), the lower part of the outside of screw rod (104) is equipped with connecting seat (4), be equipped with first sealing washer (5) between nut (101) and pressure jacket (2).

2. A fastening type depressible rust inhibitive bolt according to claim 1, characterized in that: the upper portion of the screw rod (104) is provided with an upper thread (103), the lower portion of the screw rod (104) is provided with a lower thread (105), the pressure sleeve (2) and the screw rod (104) are connected in a screwing mode through the upper thread (103) and the lower thread (105), and an anti-rust coating is arranged on the outer portion of the screw rod (104).

3. A fastening type depressible rust-preventive bolt as defined in claim 1, wherein: and the upper ends of the limiting sleeve seat (3) and the connecting seat (4) are respectively provided with a connecting ring plate (301).

4. A fastening type depressible rust-preventive bolt as defined in claim 1, wherein: the middle of the upper end of the nut (101) is provided with a limit groove (102) in a hexagonal structure.

5. A fastening type depressible rust-preventive bolt as defined in claim 1, wherein: the pressure sleeve (2) and the limiting sleeve seat (3) are connected in a sleeved mode.

6. A fastening type depressible rust-preventive bolt as defined in claim 1, wherein: the screw rod (104) is connected with the limiting sleeve seat (3) and the connecting seat (4) in a screwing mode through lower threads (105).