CN215522015U

CN215522015U - TNE (trinitrotoluene) disconnecting link capable of changing pressure requirement

Info

Publication number: CN215522015U
Application number: CN202121806945.4U
Authority: CN
Inventors: 施志斐
Original assignee: Jiangsu Trust Valve Co ltd
Current assignee: Jiangsu Trust Valve Co ltd
Priority date: 2021-08-04
Filing date: 2021-08-04
Publication date: 2022-01-14
Anticipated expiration: 2031-08-04

Abstract

The utility model discloses a TNE disconnecting link capable of changing pressure requirements, and relates to the technical field of disconnecting link valves, wherein the TNE disconnecting link comprises a valve body and a valve plate, the valve plate is positioned in the valve body, a wear-resistant assembly is arranged on the side surface of the valve plate, and a sealing assembly is arranged between the valve plate and the valve body; the wear-resistant assembly comprises a wear-resistant sealing layer and a smooth wear-resistant layer, the wear-resistant sealing layer and the smooth wear-resistant layer are both positioned in the valve body, the wear-resistant sealing layer is fixedly connected to one side of the valve plate, and the smooth wear-resistant layer is fixedly connected to the other side of the valve plate; the sealing assembly comprises a rubber sealing block and a hard sealing plate, and the hard sealing plate is positioned below one side, far away from the valve plate, of the wear-resistant sealing layer. The TNE disconnecting link capable of changing pressure requirements is provided with the rubber sealing block and the hard sealing plate, so that soft sealing and hard sealing can be performed on the joint of the valve body and the valve plate, the sealing performance of the joint of the valve body and the valve plate is effectively improved, and the using effect of the valve body and the valve plate is better.

Description

TNE (trinitrotoluene) disconnecting link capable of changing pressure requirement

Technical Field

The utility model relates to the technical field of knife gate valves, in particular to a TNE knife gate capable of changing pressure requirements.

Background

The knife gate valve is also called knife gate valve, its opening and closing member is a gate plate, the moving direction of the gate plate is perpendicular to the fluid direction, and the medium is cut off by means of knife-edge-shaped gate plate capable of cutting fibre material. With the development of social economy, the application range of the knife gate valve is expanded from the common field to wider industries, from coal preparation, waste rock discharge and slag discharge of mine power plants to urban sewage treatment, and from general industrial pipelines to professional pipeline systems of food, health, medicine and the like.

The valve body and the valve plate for the knife gate valve capable of changing the pressure requirement in the market at present are poor in sealing performance and easy to leak, and the valve plate for the knife gate valve capable of changing the pressure requirement is not good in wear resistance, so that the service life of the valve plate of the knife gate valve capable of changing the pressure requirement is not long.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a TNE knife switch capable of changing pressure requirements, which can effectively solve the problems that in the background art, the sealing performance between a valve body and a valve plate of a knife switch valve capable of changing the pressure requirements in the market at present is poor, leakage is easy to occur, and the valve plate of the knife switch valve capable of changing the pressure requirements does not have good wear resistance, so that the service life of the valve plate of the knife switch valve capable of changing the pressure requirements is short.

In order to achieve the purpose, the utility model adopts the technical scheme that: a TNE disconnecting link capable of changing pressure requirements comprises a valve body and a valve plate, wherein the valve plate is located inside the valve body, a wear-resistant assembly is arranged on the side face of the valve plate, and a sealing assembly is arranged between the valve plate and the valve body;

the wear-resistant assembly comprises a wear-resistant sealing layer and a smooth wear-resistant layer, the wear-resistant sealing layer and the smooth wear-resistant layer are both positioned in the valve body, the wear-resistant sealing layer is fixedly connected to one side of the valve plate, the smooth wear-resistant layer is fixedly connected to the other side of the valve plate, and the wear-resistant performance of the two sides of the valve plate can be improved by matching the wear-resistant sealing layer and the smooth wear-resistant layer, so that the service life of the valve plate is longer to a certain extent;

the sealing assembly comprises a rubber sealing block and a hard sealing plate, the hard sealing plate is located below one side, away from the valve plate, of the wear-resistant sealing layer, and the rubber sealing block is located on one side, away from the valve plate, of the smooth wear-resistant layer.

Preferably, the top end of the valve plate is provided with a cylinder shaft, the top end of the cylinder shaft is fixedly connected with a cylinder, the bottom end of the cylinder shaft is provided with a clamping groove, and the valve plate is clamped and connected inside the clamping groove and is connected with the cylinder shaft conveniently through the clamping groove.

Preferably, the joint of the cylinder shaft and the valve plate is provided with a positioning shaft, the positioning shaft penetrates through the lower part of the cylinder shaft and the upper part of the valve plate, and the joint of the cylinder shaft and the valve plate can be fixed through the positioning shaft, so that the connection effect of the cylinder shaft and the valve plate is better.

Preferably, one end threaded connection of location axle has first position sleeve, the other end threaded connection of location axle has the second position sleeve, through first position sleeve and second position sleeve for the use of location axle is comparatively reasonable.

Preferably, the top of the rubber sealing block is provided with a pressing plate, the rubber sealing block and the pressing plate are both located below the inside of the valve body, and the rubber sealing block is convenient to use through the pressing plate.

Preferably, a packing gland and packing are arranged above the valve plate, the packing is located under the packing gland, the packing gland is located under the positioning shaft, and the valve plate can be sealed to a certain extent through the packing gland and the packing.

Preferably, the number of the packing glands is two, the two packing glands are symmetrical about the vertical central axis of the valve plate, the number of the packing is two, the two packing is symmetrical about the vertical central axis of the valve plate, and the sealing performance of the valve plate can be further improved through the two packing glands and the packing.

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

1. according to the utility model, the rubber sealing block and the hard sealing plate are arranged, so that soft sealing and hard sealing can be carried out on the joint of the valve body and the valve plate, the sealing performance of the joint of the valve body and the valve plate is effectively improved, and the using effect of the valve body and the valve plate is better.

2. According to the utility model, the wear-resistant sealing layer and the smooth wear-resistant layer are arranged, so that the wear resistance of the two sides of the valve plate can be improved, and the service life of the valve plate is longer to a certain extent.

Drawings

FIG. 1 is a schematic cross-sectional plan view of a TNE switch with changeable pressure requirements according to the present invention;

FIG. 2 is a schematic diagram of a TNE switch of FIG. 1 with a structure A for changing pressure requirements according to the present invention;

FIG. 3 is a schematic view of a connecting structure of a TNE disconnecting link cylinder shaft and a valve plate capable of changing pressure requirements;

FIG. 4 is a schematic view of a TNE switch cylinder and cylinder shaft connection structure for changing pressure requirements according to the present invention;

fig. 5 is an enlarged schematic view of the TNE disconnecting link of fig. 3 at B according to the present invention.

In the figure: 1. a cylinder; 2. a cylinder shaft; 3. a packing gland; 4. a filler; 5. a valve plate; 6. a valve body; 7. a hard seal plate; 8. a wear-resistant sealing layer; 9. a smooth wear layer; 10. a rubber sealing block; 11. positioning the shaft; 12. a card slot; 13. a second positioning sleeve; 14. a first position sleeve.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be 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. 1-5, the TNE disconnecting link comprises a valve body 6 and a valve plate 5, wherein the valve plate 5 is located inside the valve body 6, a wear-resistant component is arranged on the side surface of the valve plate 5, and a sealing component is arranged between the valve plate 5 and the valve body 6;

the wear-resistant assembly comprises a wear-resistant sealing layer 8 and a smooth wear-resistant layer 9, the wear-resistant sealing layer 8 and the smooth wear-resistant layer 9 are both located inside the valve body 6, the wear-resistant sealing layer 8 is fixedly connected to one side of the valve plate 5, the smooth wear-resistant layer 9 is fixedly connected to the other side of the valve plate 5, the wear-resistant performance of the two sides of the valve plate 5 can be improved through the matched use of the wear-resistant sealing layer 8 and the smooth wear-resistant layer 9, and the service life of the valve plate 5 is prolonged to a certain extent;

the sealing assembly comprises a rubber sealing block 10 and a hard sealing plate 7, the hard sealing plate 7 is located below one side, away from the valve plate 5, of the wear-resistant sealing layer 8, and the rubber sealing block 10 is located on one side, away from the valve plate 5, of the smooth wear-resistant layer 9.

The top of valve plate 5 is provided with cylinder axle 2, and the top fixedly connected with cylinder 1 of cylinder axle 2, draw-in groove 12 has been seted up to the bottom of

cylinder axle

2, and 5 blocks of valve plate are connected in the inside of draw-in groove 12, through draw-in groove 12, are convenient for be connected of valve plate 5 and cylinder axle 2.

The junction of cylinder shaft 2 and valve plate 5 is provided with location axle 11, and location axle 11 runs through in the below of cylinder shaft 2 and the top of valve plate 5, through location axle 11, can fix the junction of cylinder shaft 2 and valve plate 5 to make the linkage effect of cylinder shaft 2 and valve plate 5 better.

One end threaded connection of location axle 11 has first position sleeve 14, and the other end threaded connection of location axle 11 has second position sleeve 13, through first position sleeve 14 and second position sleeve 13 for the use of location axle 11 is comparatively reasonable.

The top of the rubber sealing block 10 is provided with a pressing plate, the rubber sealing block 10 and the pressing plate are both located below the inside of the valve body 6, and the rubber sealing block 10 is convenient to use through the pressing plate.

The top of valve plate 5 is provided with gland 3 and filler 4, and the filler 4 is located gland 3 under, and gland 3 is located the below of location axle 11, through gland 3 and filler 4, can carry out certain sealed to valve plate 5.

The quantity of the packing gland 3 is two, the two packing gland 3 are symmetrical about the vertical central axis of the valve plate 5, the quantity of the packing 4 is two, the two packing 4 are symmetrical about the vertical central axis of the valve plate 5, and the sealing performance of the valve plate 5 can be further improved through the two packing gland 3 and the packing 4.

The working principle of the utility model is as follows: during the specific use, at first install this knife gate valve that can change the pressure demand in the assigned position, when needs block the fluidic, at first start cylinder 1, under the effect of cylinder 1, can drive cylinder shaft 2 downstream, at this moment, downstream cylinder shaft 2 can drive valve plate 5 downstream to block the fluidic can.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A TNE switch that can change pressure demand which characterized in that: the valve comprises a valve body (6) and a valve plate (5), wherein the valve plate (5) is positioned inside the valve body (6), a wear-resistant assembly is arranged on the side surface of the valve plate (5), and a sealing assembly is arranged between the valve plate (5) and the valve body (6);

the wear-resistant assembly comprises a wear-resistant sealing layer (8) and a smooth wear-resistant layer (9), the wear-resistant sealing layer (8) and the smooth wear-resistant layer (9) are both positioned inside the valve body (6), the wear-resistant sealing layer (8) is fixedly connected to one side of the valve plate (5), and the smooth wear-resistant layer (9) is fixedly connected to the other side of the valve plate (5);

the sealing assembly comprises a rubber sealing block (10) and a hard sealing plate (7), the hard sealing plate (7) is located below one side, away from the valve plate (5), of the wear-resistant sealing layer (8), and the rubber sealing block (10) is located on one side, away from the valve plate (5), of the smooth wear-resistant layer (9).

2. A TNE switch capable of changing pressure requirements as claimed in claim 1 wherein: the valve plate is characterized in that a cylinder shaft (2) is arranged at the top end of the valve plate (5), a cylinder (1) is fixedly connected to the top end of the cylinder shaft (2), a clamping groove (12) is formed in the bottom end of the cylinder shaft (2), and the valve plate (5) is clamped and connected to the inside of the clamping groove (12).

3. A TNE switch capable of changing pressure requirements as claimed in claim 2 wherein: the connecting part of the cylinder shaft (2) and the valve plate (5) is provided with a positioning shaft (11), and the positioning shaft (11) penetrates through the lower part of the cylinder shaft (2) and the upper part of the valve plate (5).

4. A TNE switch capable of changing pressure requirements as claimed in claim 3 wherein: one end of the positioning shaft (11) is in threaded connection with a first positioning sleeve (14), and the other end of the positioning shaft (11) is in threaded connection with a second positioning sleeve (13).

5. A TNE switch capable of changing pressure requirements as claimed in claim 1 wherein: the top of the rubber sealing block (10) is provided with a pressing plate, and the rubber sealing block (10) and the pressing plate are both located below the interior of the valve body (6).

6. A TNE switch capable of changing pressure requirements as claimed in claim 1 wherein: the improved valve is characterized in that a packing gland (3) and packing (4) are arranged above the valve plate (5), the packing (4) is located under the packing gland (3), and the packing gland (3) is located below the positioning shaft (11).

7. A TNE switch capable of changing pressure requirements as claimed in claim 6, wherein: the number of the packing gland covers (3) is two, the two packing gland covers (3) are symmetrical about the vertical central axis of the valve plate (5), the number of the packing (4) is two, and the two packing covers (4) are symmetrical about the vertical central axis of the valve plate (5).