CN220930209U

CN220930209U - Leakage-proof valve instrument sealing element

Info

Publication number: CN220930209U
Application number: CN202322808376.2U
Authority: CN
Inventors: 欧俊东; 赖秋梅
Original assignee: Chongqing Dongrui Instrument Co ltd
Current assignee: Chongqing Dongrui Instrument Co ltd
Priority date: 2023-10-18
Filing date: 2023-10-18
Publication date: 2024-05-10
Anticipated expiration: 2033-10-18

Abstract

The utility model relates to the technical field of sealing elements and discloses a leakage-proof valve instrument sealing element, which comprises a main pipeline, wherein a connecting pipe is fixedly connected to the main pipeline, a circular hole is formed above the connecting pipe, a rotating rod is connected in the circular hole in a threaded manner, external threads are arranged on the rotating rod, a sealing rubber pad is adhered below the circular hole, a fixing piece A is connected on the rotating rod in a threaded manner, a hexagonal connecting block is fixedly connected above the rotating rod, a turntable is sleeved on the hexagonal connecting block, a fixing piece B is sleeved at the top end of the rotating rod, and a fixing nut is connected on the top end of the rotating rod in a threaded manner.

Description

Leakage-proof valve instrument sealing element

Technical Field

The utility model relates to the technical field of sealing elements, in particular to a leakage-proof valve instrument sealing element.

Background

The seal is a material or part of a component part that prevents leakage of fluid or solid particles from between adjacent joint surfaces and prevents intrusion of foreign matter such as dust and moisture into the interior of the machine.

Such as Chinese patent: "CN213575500U", the technical scheme disclosed in this patent is as follows: the utility model provides a leakage-proof valve instrument sealing member, which relates to the field of petroleum and natural gas, and aims at the problems that an existing common O-shaped sealing ring is convenient to install, but gradually becomes inelastic and easy to loosen along with use, so that the sealing performance of a device connecting surface is affected, and a safety accident is seriously generated.

However, in practical use, the scheme has a complex structure, can not achieve a sealing effect better, is easy to block in daily use, and is unfavorable for long-time use.

Disclosure of utility model

(One) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a leakage-proof valve instrument sealing piece.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a leak protection valve instrument sealing member, includes the trunk line, fixedly connected with connecting pipe on the trunk line, the circular hole has been seted up to the connecting pipe top, circular hole internal thread is connected with the bull stick, be provided with the external screw thread on the bull stick, the sealing rubber pad has been bonded to circular hole below, threaded connection has stationary blade A on the bull stick, fixedly connected with hexagon connecting block above the bull stick, cup joint the carousel on the hexagon connecting block, stationary blade B has been cup jointed on the bull stick top, bull stick top threaded connection has fixation nut;

the sealing rubber plug is fixedly connected to the bottom of the rotating rod, the leakage-proof pipe is arranged in the connecting pipe in a communicating mode, the one-way valve is fixedly arranged at the other end of the main pipe communicated with the leakage-proof pipe, the fixing rod is fixedly connected to the lower portion of the rotating rod, the key part is fixedly connected to the fixing rod, the valve is sleeved on the fixing rod, the connecting hole is formed in the valve, the key groove is formed in the connecting hole, and the pressure gauge is fixedly connected to the main pipe.

Preferably, the circular hole is internally provided with internal threads, and the circular hole is in threaded connection with the rotating rod through the internal threads.

Preferably, the size of the hexagonal connection block is smaller than the size of the rotating rod.

Preferably, the size of the fixing piece B is larger than that of the hexagonal connection block.

Preferably, the number of the leakage-proof pipes and the one-way valves is two, and the leakage-proof pipes and the one-way valves are distributed at the left end and the right end of the connecting pipe.

Preferably, the size of the fixing rod is consistent with the size of the connecting hole.

(III) beneficial effects

Compared with the prior art, the utility model provides the leakage-proof valve instrument sealing piece, which has the following beneficial effects:

1. This prevent leaking valve instrument sealing member fixes sealing rubber pad through stationary blade A, carries out sealing treatment through sealing rubber pad to the top of connecting pipe, is connected through hexagon connecting block and carousel, also carries out spacingly to the carousel simultaneously, fixes the carousel through stationary blade B and fixation nut for the change and the maintenance of carousel are very convenient and simple like this.

2. This prevent leaking valve instrument sealing member carries out sealing treatment through sealing rubber stopper to the below of connecting pipe, such sealing means is compared in ordinary sealed lid and sealing rubber pad's sealing treatment is simpler simultaneously sealed effect also better, in the liquid through leak protection pipe is reverse to be carried back the trunk line from the pipe, because the setting of check valve, only liquid from carrying in the connecting pipe can enter into the leak protection pipe, liquid in the trunk line can't enter into the leak protection pipe, prevent that liquid from reverse carrying into in the connecting pipe, drive the dead lever through the bull stick and rotate, and then realize closing and opening of valve, realize the control on the velocity of flow to the liquid in the trunk line.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a front view of the present utility model;

FIG. 2 is a top view of the present utility model;

FIG. 3 is a bottom view of the present utility model;

FIG. 4 is a schematic view of the structure A of the present utility model;

FIG. 5 is a schematic diagram of the structure of the B-type display device;

FIG. 6 is a schematic view of the structure of the present utility model;

Fig. 7 is a schematic diagram of the structure D of the present utility model.

In the figure: 1. a main pipe; 2. a connecting pipe; 3. a circular hole; 4. a rotating rod; 5. an external thread; 6. sealing a rubber pad; 7. a fixing piece A; 8. hexagonal connecting blocks; 9. a turntable; 10. a fixing piece B; 11. a fixing nut; 12. sealing the rubber plug; 13. a leakage preventing pipe; 14. a one-way valve; 15. a fixed rod; 16. a key section; 17. a valve; 18. a connection hole; 19. a key slot; 20. a pressure gauge.

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.

Example 1

As shown in fig. 1-5, the utility model provides a leakage-proof valve instrument sealing member, which comprises a main pipeline 1, wherein a connecting pipe 2 is fixedly connected to the main pipeline 1, a circular hole 3 is formed above the connecting pipe 2, a rotating rod 4 is connected with the circular hole 3 in a threaded manner, an internal thread is arranged in the circular hole 3, the circular hole is connected with the rotating rod 4 in a threaded manner through the internal thread, an external thread 5 is arranged on the rotating rod 4, a sealing rubber gasket 6 is bonded below the circular hole 3, a fixing piece A7 is connected with the rotating rod 4 in a threaded manner, a hexagonal connecting block 8 is fixedly connected above the rotating rod 4, the size of the hexagonal connecting block 8 is smaller than that of the rotating rod 4, a turntable 9 is sleeved on the hexagonal connecting block 8, a fixing piece B10 is sleeved at the top end of the rotating rod 4, the size of the fixing piece B10 is larger than that of the hexagonal connecting block 8, and a fixing nut 11 is connected with the top end of the rotating rod 4 in a threaded manner.

In this embodiment, fix sealing rubber pad 6 through stationary blade A7, seal the top of handling through sealing rubber pad 6 to connecting pipe 2, connect through hexagonal connecting block 8 and carousel 9, also spacing carousel 9 simultaneously, fix carousel 9 through stationary blade B10 and fixation nut 11, make the change of carousel 9 and easy and simple that the maintenance is ten minutes like this.

Example 2

As shown in fig. 1, 2, 3, 6 and 7, on the basis of embodiment 1, the present utility model provides a technical solution: the sealing rubber plug 12 is fixedly connected to the bottom of the rotating rod 4, the leakproof pipe 13 is arranged in the connecting pipe 2 in a communicating manner, the one-way valve 14 is fixedly arranged at the other end of the leakproof pipe 13, which is communicated with the main pipeline 1, the leakproof pipe 13 and the one-way valve 14 are two in number and distributed at the left end and the right end of the connecting pipe 2, the fixing rod 15 is fixedly connected to the lower part of the rotating rod 4, the key 16 is fixedly connected to the fixing rod 15, the valve 17 is sleeved on the fixing rod 15, the connecting hole 18 is formed in the valve 17, the size of the fixing rod 15 is consistent with that of the connecting hole 18, the key groove 19 is formed in the connecting hole 18, and the pressure gauge 20 is fixedly connected to the main pipeline 1.

In this embodiment, the sealing rubber plug 12 seals the lower part of the connecting pipe 2, such sealing mode is simpler than that of a common sealing cover and a sealing rubber pad 6, and the sealing effect is better, leaked liquid is reversely conveyed back into the main pipe 1 from the pipe through the leakage-proof pipe 13, only the liquid conveyed from the connecting pipe 2 can enter the leakage-proof pipe 13 due to the arrangement of the one-way valve 14, the liquid in the main pipe 1 cannot enter the leakage-proof pipe 13, the liquid is prevented from being reversely conveyed into the connecting pipe 2, the fixed rod 15 is driven to rotate through the rotating rod 4, further the valve 17 is closed and opened, and the flow rate of the liquid in the main pipe 1 is controlled.

The working principle of the leakage-proof valve instrument sealing element is concretely described below.

As shown in fig. 1 to 7, the sealing rubber pad 6 is fixed by the fixing piece A7, the sealing rubber pad 6 seals the upper part of the connecting pipe 2, the hexagonal connecting block 8 is connected with the turntable 9, the turntable 9 is limited at the same time, and the turntable 9 is fixed by the fixing piece B10 and the fixing nut 11, so that the turntable 9 is convenient and simple to replace and maintain.

2. The sealing rubber plug 12 is used for sealing the lower part of the connecting pipe 2, the sealing mode is simpler than that of a common sealing cover and the sealing rubber pad 6, the sealing effect is better, leaked liquid is reversely conveyed back into the main pipe 1 from the pipe through the leakage-proof pipe 13, due to the arrangement of the one-way valve 14, only the liquid conveyed from the connecting pipe 2 can enter the leakage-proof pipe 13, the liquid in the main pipe 1 cannot enter the leakage-proof pipe 13, the liquid is prevented from being reversely conveyed into the connecting pipe 2, the fixed rod 15 is driven to rotate through the rotating rod 4, the valve 17 is further closed and opened, and the flow speed of the liquid in the main pipe 1 is controlled.

Claims

1. The utility model provides a leak protection valve instrument sealing member, includes trunk line (1), fixedly connected with connecting pipe (2) on trunk line (1), its characterized in that: circular hole (3) have been seted up to connecting pipe (2) top, circular hole (3) internal thread connection has bull stick (4), be provided with external screw thread (5) on bull stick (4), sealed rubber pad (6) have been bonded to circular hole (3) below, threaded connection has stationary blade A (7) on bull stick (4), hexagonal connecting block (8) are connected with in bull stick (4) top fixedly, carousel (9) have been cup jointed on hexagonal connecting block (8), stationary blade B (10) have been cup jointed on bull stick (4) top, fixed nut (11) have been connected with on bull stick (4) top screw thread;

the utility model discloses a sealing rubber stopper, connecting pipe (2) are fixed on the sealing rubber stopper, sealing rubber stopper (12) is fixed on the bottom of bull stick (4), connecting pipe (2) inside intercommunication is provided with leak protection pipe (13), the other end fixed mounting of leak protection pipe (13) intercommunication trunk line (1) has check valve (14), bull stick (4) below fixedly connected with dead lever (15), fixedly connected with key portion (16) on dead lever (15), valve (17) have been cup jointed on dead lever (15), connecting hole (18) have been seted up on valve (17), be provided with keyway (19) on connecting hole (18), fixedly connected with manometer (20) on trunk line (1).

2. A leak resistant valve instrument seal as recited in claim 1, wherein: the circular hole (3) is internally provided with internal threads, and is in threaded connection with the rotating rod (4) through the internal threads.

3. A leak resistant valve instrument seal as recited in claim 1, wherein: the size of the hexagonal connecting block (8) is smaller than that of the rotating rod (4).

4. A leak resistant valve instrument seal as recited in claim 1, wherein: the size of the fixing piece B (10) is larger than that of the hexagonal connecting block (8).

5. A leak resistant valve instrument seal as recited in claim 1, wherein: the number of the leakage-proof pipes (13) and the number of the one-way valves (14) are two, and the leakage-proof pipes are distributed at the left end and the right end of the connecting pipe (2).

6. A leak resistant valve instrument seal as recited in claim 1, wherein: the size of the fixing rod (15) is consistent with the size of the connecting hole (18).