CN213655884U

CN213655884U - Zero-leakage corrosion-resistant fluorine lining valve for chemical production

Info

Publication number: CN213655884U
Application number: CN202022030061.6U
Authority: CN
Inventors: 龙恒
Original assignee: Individual
Current assignee: Hong Wenxue
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2021-07-09
Anticipated expiration: 2030-09-16

Abstract

The utility model discloses a zero leakage corrosion-resistant lining fluorine valve for chemical production, which comprises a valve body, slewing mechanism is all installed to the upper and lower left and right sides of the outer wall of valve body, slewing mechanism includes quarter butt, straight board, torque spring, ball and arc board, the outer wall of quarter butt rotates with the top of valve body and links to each other, the top of quarter butt and the bottom looks rigid coupling of straight board, the outer wall of quarter butt cup joints with torque spring's inner wall mutually. Rotating torque spring through slewing mechanism arc board and providing elasticity and kick-backing, carry out the vortex and reduce the velocity of flow, avoided striking to the inner wall, prevent to produce the cavitation, prolonged life, through the valve body left and right sides sealing washer, original connected mode has been changed, chemical industry solution has been avoided spilling, it is dangerous to have avoided taking place, the practicality has been improved, through control mechanism at bent piece top installation diaphragm, increase and bent plate area of contact, the seepage flow has been avoided, prevented that the solution from flowing, facilitate promotion.

Description

Zero-leakage corrosion-resistant fluorine lining valve for chemical production

Technical Field

The utility model relates to a zero leaks corrosion-resistant lining fluorine valve technical field for chemical production specifically is a zero leaks corrosion-resistant lining fluorine valve for chemical production.

Background

The fluorine lining valve, also called fluoroplastic lining corrosion-resistant valve, is made up by placing teflon resin on the inner wall of steel or iron valve pressure-bearing component or external surface of valve internal component by adopting die-pressing method, and utilizing its unique property in resisting strong corrosion medium to make various valves and pressure containers.

The existing fluorine lining valve has the advantages that the flow can impact the inner wall of the valve body when the existing fluorine lining valve is used, cavitation is caused, the inner wall is corroded, the service life of the valve body is shortened, the sealing ring at the joint is in a laminating state, chemical solution leakage is easily caused, danger is caused, the practicability is reduced, meanwhile, the sealing effect of the valve plug and the central partition plate of the valve body is poor, seepage flow can occur, a small part of the valve plug flows through, and the use requirement of modern people is not met.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a zero leakage corrosion-resistant lining fluorine valve for chemical production to it can strike the valve body inner wall when using to provide current lining fluorine valve in solving above-mentioned background art flow, leads to producing the cavitation, erodes the inner wall, has shortened the life's of valve body problem.

In order to achieve the above object, the utility model provides a following technical scheme: a zero-leakage corrosion-resistant fluorine lining valve for chemical production comprises a valve body, wherein rotating mechanisms are arranged on the upper side, the lower side, the left side and the right side of the outer wall of the valve body;

the rotating mechanism comprises a short rod, a straight plate, a torsion spring, a ball and an arc plate;

the outer wall of the short rod is rotatably connected with the top of the valve body, the top of the short rod is fixedly connected with the bottom of the straight plate, the outer wall of the short rod is sleeved with the inner wall of the torsion spring, the upper side and the lower side of the torsion spring are fixedly connected with the bottom of the straight plate and the top of the valve body respectively, the top of the straight plate is fixedly connected with the bottom of the ball, and the bottom of the short rod is fixedly connected with the top of the arc plate.

Preferably, the short rod, the straight plate and the torsion spring form an elastic mechanism.

Preferably, the top of the valve body is communicated with a shell, and the top of the shell is provided with a control mechanism;

the control mechanism comprises a threaded rod, a handle, a rubber sleeve, a crank block and a transverse plate;

the outer wall of threaded rod and the top threaded connection of shell, the top of threaded rod and the bottom rigid coupling of handle, the outer wall of threaded rod and the inner wall looks rigid coupling of rubber sleeve, the outer wall of rubber sleeve and the inner wall below interference fit of shell, the bottom of threaded rod rotates with the top of bent piece and links to each other, the outer wall bottom of threaded rod and the inner wall looks rigid coupling of diaphragm.

Preferably, the threaded rod, the handle and the shell form a lifting mechanism.

Preferably, the inner wall of the valve body is fixedly connected with a curved plate, and the inner wall of the curved plate is in interference fit with the outer wall of the curved block.

Preferably, the inner wall of the valve body is fixedly connected with a fluorine lining layer, the two sides of the left side of the valve body are respectively inserted with a sealing ring, and the upper side and the lower side of the two sealing rings are respectively in threaded connection with the upper end, the lower end, the left end and the right end of the outer wall of the valve body through bolts.

Compared with the prior art, the beneficial effects of the utility model are that: this a corrosion-resistant lining fluorine valve of zero leakage for chemical production rotates torsion spring through slewing mechanism arc board and provides elasticity and kick-backs, carries out the vortex and reduces the velocity of flow, has avoided striking the inner wall, prevents to produce cavitation erosion, has prolonged life.

Through the left and right sealing rings of the valve body, the original connection mode is changed, the chemical solution is prevented from leaking, the danger is avoided, and the practicability is improved.

The transverse plate is arranged at the top of the bent block through the control mechanism, so that the contact area between the transverse plate and the bent block is increased, seepage is avoided, solution is prevented from flowing through, and the popularization is facilitated.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a connection relationship between the valve body, the seal ring and the bolt in FIG. 1;

FIG. 3 is a schematic view of the connection structure of the short rod, the straight plate and the torsion spring in FIG. 1;

fig. 4 is a schematic view showing the connection relationship between the threaded rod, the handle and the rubber sleeve in fig. 1.

In the figure: 1. the valve comprises a valve body, 2, a rotating mechanism, 201, a short rod, 202, a straight plate, 203, a torsion spring, 204, a ball, 205, an arc plate, 3, a control mechanism, 301, a threaded rod, 302, a handle, 303, a rubber sleeve, 304, a curved block, 305, a transverse plate, 4, a curved plate, 5, a shell, 6, a fluorine lining layer, 7, a sealing ring, 8 and a bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a corrosion-resistant fluorine lining valve of zero leakage for chemical production, including valve body 1, slewing mechanism 2 is all installed to the left and right sides about the outer wall of valve body 1, slewing mechanism 2 includes quarter butt 201, straight board 202, torsion spring 203, ball 204 and arc board 205, quarter butt 201's outer wall rotates with the top of valve body 1 and links to each other, quarter butt 201 atress rotates through valve body 1 top bearing, quarter butt 201's top and straight board 202 bottom rigid coupling, quarter butt 201's outer wall cup joints with torsion spring 203's inner wall mutually, torsion spring 203's upper and lower both sides respectively with straight board 202's bottom and valve body 1's top looks rigid coupling, straight board 202's top and ball 204's bottom rigid coupling, ball 204 is convenient for rotate quarter butt 201 through straight board 202, quarter butt 201's bottom and arc board 205's top looks rigid coupling.

The short rod 201, the straight plate 202 and the torsion spring 203 form an elastic mechanism, the short rod 201 is rebounded by the torsion spring 203 after being stressed and rotated, the top of the valve body 1 is communicated with the shell 5, the control mechanism 3 is installed at the top of the shell 5, the control mechanism 3 comprises a threaded rod 301, a handle 302, a rubber sleeve 303, a crank block 304 and a transverse plate 305, the outer wall of the threaded rod 301 is in threaded connection with the top of the shell 5, the top of the threaded rod 301 is fixedly connected with the bottom of the handle 302, the handle 302 is convenient to rotate the threaded rod 301, the outer wall of the threaded rod 301 is fixedly connected with the inner wall of the rubber sleeve 303, the outer wall of the rubber sleeve 303 is in interference fit with the lower part of the inner wall of the shell 5, the rubber sleeve 303 is stressed to move up and down through the inner wall of the shell 5, the bottom of the threaded rod 301 is rotatably connected with the top of the crank block, the material of diaphragm 305 is rubber, valve body 1 closes to make diaphragm 305 bottom and bent plate 4 top be the tight state of support, threaded rod 301, handle 302 and shell 5 constitute elevating system, handle 302 drives threaded rod 301 and rotates and make it rotate from top to bottom through shell 5, the inner wall rigid coupling of valve body 1 has bent plate 4, the inner wall of bent plate 4 and the outer wall interference fit of bent piece 304, the material of bent piece 304 is rubber, bent piece 305 receives upward power and can breaks away from bent plate 304, the inner wall rigid coupling of valve body 1 has fluorine lining layer 6, fluorine lining layer 6 is that polytetrafluoroethylene resin adopts the embedding method to put the valve inner wall, the anticorrosion function has, sealing washer 7 has all been pegged graft to the left side both sides of valve body 1, the upper and lower both sides of two sealing washers 7 are respectively through bolt 8 and valve body 1's outer wall upper and lower both ends threaded connection about.

In this example, when the valve is used, the sealing ring 7 is inserted into the left side and the right side of the valve body 1, and then fixed by the bolt 8, and then the outer side of the sealing ring 7 is inserted into the external pipeline, and the sealing ring is also fixed by the bolt 8, when the liquid flows, the handle 302 is rotated to drive the threaded rod 301 to rotate upwards through the shell 5, and further drive the rubber sleeve 303 to move upwards, and simultaneously the curved block 304 is gradually separated from the inner wall of the curved plate 4, so that the notch of the inner wall of the curved plate 4 is opened, and further the liquid flows through, when the valve body 1 is closed, the handle 302 is rotated reversely, so that the threaded rod 301 drives the curved block 304 to be connected with the curved plate 4, and the valve body 1 is closed, when the flow rate is too high, the curved plate 205 on the left side and the right side of the inner wall of the valve body 1 is impacted, so that the curved plate 205 rotates to the plane, reduce the impact to the inner wall of the valve body 1, when the sealing ring 7 is replaced, the plurality of bolts 8 are reversely rotated to be separated from the valve body 1, and then the sealing ring 7 is pulled out to two sides for replacement.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, 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, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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 zero leakage corrosion-resistant lining fluorine valve for chemical production, includes valve body (1), its characterized in that: the upper side, the lower side, the left side and the right side of the outer wall of the valve body (1) are provided with rotating mechanisms (2);

the rotating mechanism (2) comprises a short rod (201), a straight plate (202), a torsion spring (203), a round ball (204) and an arc plate (205);

the outer wall of the short rod (201) is rotatably connected with the top of the valve body (1), the top of the short rod (201) is fixedly connected with the bottom of the straight plate (202), the outer wall of the short rod (201) is sleeved with the inner wall of the torsion spring (203), the upper side and the lower side of the torsion spring (203) are fixedly connected with the bottom of the straight plate (202) and the top of the valve body (1) respectively, the top of the straight plate (202) is fixedly connected with the bottom of the round ball (204), and the bottom of the short rod (201) is fixedly connected with the top of the arc plate (205).

2. The zero-leakage corrosion-resistant fluorine-lined valve for chemical production according to claim 1, which is characterized in that: the short rod (201), the straight plate (202) and the torsion spring (203) form an elastic mechanism.

3. The zero-leakage corrosion-resistant fluorine-lined valve for chemical production according to claim 1, which is characterized in that: the top of the valve body (1) is communicated with a shell (5), and the top of the shell (5) is provided with a control mechanism (3);

the control mechanism (3) comprises a threaded rod (301), a handle (302), a rubber sleeve (303), a curved block (304) and a transverse plate (305);

the outer wall of threaded rod (301) and the top threaded connection of shell (5), the top of threaded rod (301) and the bottom rigid coupling of handle (302), the outer wall of threaded rod (301) and the inner wall looks rigid coupling of rubber sleeve (303), the outer wall of rubber sleeve (303) and the inner wall below interference fit of shell (5), the bottom of threaded rod (301) rotates with the top of bent piece (304) and links to each other, the outer wall bottom of threaded rod (301) and the inner wall looks rigid coupling of diaphragm (305).

4. The zero-leakage corrosion-resistant fluorine-lined valve for chemical production according to claim 3, characterized in that: the threaded rod (301), the handle (302) and the shell (5) form a lifting mechanism.

5. The zero-leakage corrosion-resistant fluorine-lined valve for chemical production according to claim 1, which is characterized in that: the inner wall rigid coupling of valve body (1) has bent plate (4), the inner wall of bent plate (4) and the outer wall interference fit of bent piece (304).

6. The zero-leakage corrosion-resistant fluorine-lined valve for chemical production according to claim 1, which is characterized in that: the inner wall of the valve body (1) is fixedly connected with a fluorine lining layer (6), sealing rings (7) are inserted into two sides of the left side of the valve body (1), and the upper side and the lower side of each sealing ring (7) are in threaded connection with the upper end, the lower end, the left end and the right end of the outer wall of the valve body (1) through bolts (8).