CN219796117U

CN219796117U - Valve port structure with high sealing performance

Info

Publication number: CN219796117U
Application number: CN202320094051.XU
Authority: CN
Inventors: 张永涛; 何泽淼; 何永水
Original assignee: Zhejiang Hengsen Industry Group Co ltd
Current assignee: Zhejiang Hengsen Industry Group Co ltd
Priority date: 2023-01-31
Filing date: 2023-01-31
Publication date: 2023-10-03
Anticipated expiration: 2033-01-31

Abstract

The utility model discloses a valve port structure with high sealing performance, which adopts the technical scheme that the valve port structure comprises an upper shell, a valve shaft, a strip-shaped groove, a clamping piece, a spiral body, a second spring, a limiting body, a buffer space, a clamping plate, a supporting body, a first spring, a transmission piece, an intermediate body, an ejector rod, a cushion body, a supporting ring, a connecting plate, a bent pipe, a fixed body, an ejector rod, a straight pipe, a plastic valve port, a first connecting pipe, a second connecting pipe and a lower shell. The outer side surface of the lower part of the thimble with the high sealing valve port structure is a conical surface, the thimble has larger contact area, the thimble can be effectively sealed through large contact area when being attached to the plastic valve port, meanwhile, the plastic valve port has plasticity, and after long-time use, the thimble can be tightly attached to the thimble through self deformation, so that the sealing quality is ensured.

Description

Valve port structure with high sealing performance

Technical Field

The utility model belongs to the field of valve bodies, and relates to a valve port structure with high sealing performance.

Background

Means for controlling the direction, pressure, flow of the fluid. The valve is a device for enabling the medium in the piping and the equipment to flow or stop and controlling the flow, the material of the valve body is different materials according to different process media, and the materials are as follows: cast iron, cast steel, stainless steel, carbon steel, plastic, copper, and the like.

The valve body blocks through rotation or removal of valve body inner structure to the inside passing space of valve body, makes the valve body reach the state of closing or opening, but the inside moving part of valve body can exist the problem of wearing and tearing after long-time use to cause sealed not tight, lead to the valve body effect not good, thereby can not effectively carry out effectual break-make to the fluid.

Disclosure of Invention

In view of the problems existing in the prior art, the technical scheme adopted by the utility model is as follows: the novel plastic valve comprises an upper shell, wherein the lower part of the upper shell is in threaded connection with a lower shell, the lower part of the inner side of the lower shell is in threaded connection with a fixed body, a plastic valve port is fixedly arranged on the inner side of the fixed body, a thimble is arranged on the inner side of the plastic valve port, the thimble is fixedly arranged on the lower part of a thimble, the thimble is rotatably arranged on the center of the lower shell, an external thread is arranged on the lower part of the outer side of the upper shell, an internal thread is arranged on the upper part of the outer side of the lower shell, the internal thread is matched with the internal thread of the upper shell, the plastic valve port is made of a rubber material, and the thimble is made of a stainless steel material.

As a preferable scheme of the utility model, a clamping piece is fixedly arranged at the top of the inner side of the upper shell, a valve shaft is rotatably arranged in the middle of the clamping piece, a strip-shaped groove is formed in the upper portion of the valve shaft, the lower portion of the valve shaft is fixedly arranged on the inner side of a spiral body, the lower portion of the outer side of the spiral body is arranged on a limiting body through a supporting body, a buffer space is formed in the limiting body, and a valve hand is slidably arranged on the outer side of the strip-shaped groove and used for rotating the valve shaft to realize on-off operation of the valve body.

As a preferable scheme of the utility model, the inner side of the supporting body is provided with the intermediate body in a threaded manner, the inner side of the intermediate body is slidably provided with the transmission piece, the top of the transmission piece is arranged on the bottom surface of the valve shaft, the upper part outside the transmission piece and the lower part outside the valve shaft are provided with the first spring, the lower part of the transmission piece is provided with the ejector rod, the upper part of the ejector rod is arranged on the inner side of the intermediate body, the lower part of the inner side of the supporting body is provided with the internal thread, and the internal thread is matched with the external thread on the outer side of the upper part of the intermediate body.

As a preferable scheme of the utility model, the lower part of the intermediate body is arranged on the pad body in a threaded manner, the pad body is arranged on the top of the lower shell through the supporting ring, the lower part of the outer side of the intermediate body is provided with external threads, the external threads are matched with the internal threads of the lower part of the inner side of the pad body, the supporting ring is fixedly arranged on the lower part of the pad body in a welding manner, and the outer side of the supporting ring is provided with threads.

As a preferable scheme of the utility model, a second spring is arranged in the spiral channel at the upper part of the outer side of the spiral body, the upper end of the second spring is fixed at the upper part of the spiral body, the lower part of the second spring is arranged on the top surface of the inner end of the clamping plate, the clamping plate is positioned at the inner end of the lower part of the clamping piece, the inner end of the clamping plate is positioned in the spiral channel, and the clamping plate is fixedly arranged at the inner end of the lower part of the clamping piece in a welding mode.

As a preferable scheme of the utility model, the connecting plate is arranged at the lower part of the outer side of the upper shell, the connecting plate is fixedly arranged at the lower part of the outer side of the circumference of the upper shell in a welding mode, the outer surface of the connecting plate is coated with paint, rust prevention can be realized, and the connecting plate is provided with a plurality of fixing holes, and bolts are arranged in the fixing holes to fix the valve body.

As a preferable scheme of the utility model, the lower part of the lower shell is in threaded connection with a straight pipe, the lower part of the straight pipe is provided with a first connecting pipe, the outer side of the lower shell is in threaded connection with a bent pipe, the lower part of the bent pipe is provided with a second connecting pipe, the first connecting pipe is fixed at the lower part of the straight pipe in a welding mode, the second connecting pipe is fixed at the lower part of the bent pipe in a welding mode, and threads are arranged on the inner sides of the first connecting pipe and the second connecting pipe.

The valve port structure with high sealing performance has the beneficial effects that: the outer side surface of the lower part of the thimble with the high sealing valve port structure is a conical surface, the thimble has larger contact area, the thimble can be effectively sealed through large contact area when being attached to the plastic valve port, meanwhile, the plastic valve port has plasticity, and after long-time use, the thimble can be tightly attached to the thimble through self deformation, so that the sealing quality is ensured.

Drawings

FIG. 1 is an overall block diagram of a valve port structure with high seal in accordance with the present disclosure;

FIG. 2 is a lower block diagram of the present utility model with a high sealing valve port structure;

in the figure: the valve comprises a 1-upper shell, a 2-valve shaft, a 3-strip-shaped groove, a 4-clamping piece, a 5-spiral body, a 6-spring II, a 7-limiting body, an 8-buffer space, a 9-clamping plate, a 10-supporting body, a 11-spring I, a 12-transmission piece, a 13-intermediate body, a 14-ejector rod, a 15-cushion body, a 16-supporting ring, a 17-connecting plate, a 18-bent pipe, a 19-fixed body, a 20-ejector pin, a 21-straight pipe, a 22-plastic valve port, a 23-connecting pipe I, a 24-connecting pipe II and a 25-lower shell.

Detailed Description

As shown in fig. 1 to 2, the utility model discloses a valve port structure with high sealing performance, which adopts the technical scheme that the valve port structure comprises an upper shell 1, wherein the lower part of the upper shell 1 is in threaded connection with a lower shell 25, the lower part of the inner side of the lower shell 25 is in threaded connection with a fixed body 19, the inner side of the fixed body 19 is fixedly provided with a plastic valve port 22, the inner side of the plastic valve port 22 is provided with a thimble 20, the thimble 20 is fixedly arranged on the lower part of a thimble 14, the thimble 14 is rotatably arranged at the center part of the lower shell 25, the outer side of the thimble 20 arranged in the valve port structure with high sealing performance is a conical surface, the contact area is larger, when the thimble is attached to the plastic valve port 22, the plastic valve port 22 can be effectively sealed through a large contact area, meanwhile, the plastic valve port 22 has plasticity, and can be attached tightly to the thimble 20 through self deformation after long-time use, and sealing quality is ensured.

The top fixed mounting has fastener 4 in the inboard top of last casing 1, and fastener 4 middle part rotates installs valve shaft 2, and valve shaft 2 upper portion is provided with bar groove 3, and valve shaft 2 lower part fixed mounting is inboard at spiral body 5, and spiral body 5 outside lower part passes through supporter 10 and installs in spacing body 7, is provided with buffer space 8 in the spacing body 7, and valve shaft 2 is used for rotating spiral piece 5 to the break-make of control lower part.

The internal side screw thread of support body 10 installs midbody 13, and midbody 13 inboard slidable mounting has driving medium 12, and driving medium 12 top is installed in valve shaft 2 bottom surface, and driving medium 12 outside upper portion and valve shaft 2 outside lower part are installed spring one 11, and driving medium 12 lower part installs ejector pin 14, and ejector pin 14 upper portion is installed in midbody 13 inboard, and driving medium 12 is used for transmitting power, and spring one 11 driving medium 12's position is replied.

The lower part of the intermediate body 13 is arranged on the pad body 15 in a threaded manner, the pad body 15 is arranged on the top of the lower shell 25 through the support ring 16, the intermediate body 13 is used for limiting the vertical sliding position of the transmission member 12 and limiting the vertical transmission position of the ejector rod 14, and the intermediate body 13 is fixedly arranged in a threaded connection manner, so that later disassembly and maintenance are facilitated.

Install spring two 6 in the spiral way of the outside upper portion of spiral body 5, spring two 6 upper ends are fixed in spiral body 5 upper portion, and spring two 6 lower part is installed in cardboard 9 inner top surface, and cardboard 9 is located the inner of fastener 4 lower part, and when spiral body 5 return, spring two 6 play the pulling force effect through self elasticity, and cardboard 9 is used for spacing spring two 6 lower part.

The lower part in the outer side of the upper shell 1 is provided with the connecting plate 17, the middle part of the connecting plate 17 is provided with a plurality of fixing holes, the connecting plate 17 can be fixed on the setting position through the mounting bolts in the fixing holes, the fixing of the upper shell 1 is met, the fixing of the valve body is realized, and the valve body is more stable when fluid passes through the inside of the valve body.

The lower part of the lower shell 25 is in threaded connection with a straight pipe 21, the lower part of the straight pipe 21 is provided with a first connecting pipe 23, the outer side of the lower shell 25 is in threaded connection with a bent pipe 18, the lower part of the bent pipe 18 is provided with a second connecting pipe 24, the first connecting pipe 23 is used for connecting an output pipe, the second connecting pipe 24 is used for connecting an input pipe, and the input pipe and the output pipe are connected and disconnected under the on-off action of a valve body.

The utility model relates to a valve port structure working principle with high sealing performance: when the valve body is closed, the valve shaft 2 is rotated to enable the spiral body 5 to rotate, the second spring 6 is compressed, the first spring 11 is compressed, the first spring 9 transmits force to the transmission piece 12, the transmission piece 12 slides down in the cushion body 15 to push the ejector rod 14 to slide down in the cushion body 15, the ejector rod 20 descends, the ejector rod 20 is attached to the inner side of the plastic valve port 22, and the circulation space on the inner side of the plastic valve port 22 is closed, so that the valve body is closed.

Although the specific embodiments of the present utility model have been described in detail, the present utility model is not limited to the above embodiments, and various changes and modifications without inventive labor may be made within the scope of the present utility model without departing from the spirit of the present utility model, which is within the scope of the present utility model.

Claims

1. A valve port structure with high sealing, characterized in that: including last casing (1), go up casing (1) lower part threaded connection has lower casing (25), lower casing (25) inboard lower part threaded connection has fixed body (19), the inboard fixed mounting of fixed body (19) has plastic valve port (22), plastic valve port (22) inboard has thimble (20), thimble (20) fixed mounting is in ejector pin (14) lower part, ejector pin (14) rotate and install in lower casing (25) central point.

2. The valve port structure with high seal of claim 1, wherein: the novel valve is characterized in that a clamping piece (4) is fixedly arranged at the top of the inner side of the upper shell (1), a valve shaft (2) is rotatably arranged in the middle of the clamping piece (4), a strip-shaped groove (3) is formed in the upper portion of the valve shaft (2), the lower portion of the valve shaft (2) is fixedly arranged on the inner side of a spiral body (5), the lower portion of the outer side of the spiral body (5) is arranged on a limiting body (7) through a supporting body (10), and a buffer space (8) is formed in the limiting body (7).

3. The valve port structure with high seal of claim 2, wherein: the novel valve is characterized in that an intermediate body (13) is arranged on the inner side of the supporting body (10) in a threaded mode, a transmission piece (12) is arranged in the inner side of the intermediate body (13) in a sliding mode, the top of the transmission piece (12) is arranged on the bottom face of the valve shaft (2), a first spring (11) is arranged on the upper portion of the outer side of the transmission piece (12) and the lower portion of the outer side of the valve shaft (2), a push rod (14) is arranged on the lower portion of the transmission piece (12), and the upper portion of the push rod (14) is arranged on the inner side of the intermediate body (13).

4. A valve port structure having a high seal as recited in claim 3, wherein: the lower part of the intermediate body (13) is arranged on the pad body (15) in a threaded manner, and the pad body (15) is arranged on the top of the lower shell (25) through the support ring (16).

5. The valve port structure with high seal of claim 2, wherein: a second spring (6) is arranged in a spiral channel at the upper part of the outer side of the spiral body (5), the upper end of the second spring (6) is fixed at the upper part of the spiral body (5), the lower part of the second spring (6) is arranged on the top surface of the inner end of a clamping plate (9), and the clamping plate (9) is positioned at the inner end of the lower part of the clamping piece (4).

6. The valve port structure with high seal of claim 1, wherein: the lower part of the outer side of the upper shell (1) is provided with a connecting plate (17).

7. The valve port structure with high seal of claim 1, wherein: the lower shell (25) lower part threaded connection has straight tube (21), straight tube (21) lower part has connecting pipe one (23), lower shell (25) outside threaded connection has return bend (18), return bend (18) lower part has connecting pipe two (24).