CN212900077U - Tetrafluoro valve plate with high sealing performance - Google Patents

Abstract

The utility model discloses a tetrafluoro valve block that possesses high sealing performance, including valve block outer wall, valve block hole and last inner tube, the inboard of valve block outer wall is provided with the valve block articulamentum, and the surface of valve block articulamentum is provided with the screw, the inboard of screw is provided with outer anticorrosive coating, and the inboard of outer anticorrosive coating is provided with outer insulating layer, the inboard of outer insulating layer is provided with interior insulating layer, and the inboard of interior insulating layer is provided with interior anticorrosive coating, the inboard of interior anticorrosive coating is provided with the valve block hole, the inside of valve block outer wall is provided with the connecting block, and the lower extreme of connecting block is provided with down the inner tube. Be fixed connection between this gasket layer and the connecting block, and the connecting block is connected with last inner tube through the gasket layer, and the gasket layer is fixed on the connecting block, and the inboard on gasket layer is fixed in last inner tube outside for the valve block when being connected with the control object, gasket layer and the laminating of control object reach the effect in sealing the gap, play sealed effect.

Description

Tetrafluoro valve plate with high sealing performance

Technical Field

The utility model relates to a tetrafluoro valve block equipment technical field specifically is a tetrafluoro valve block that possesses high leakproofness ability.

Background

The polytetrafluoroethylene resin is arranged on the inner wall of a steel or iron valve pressure-bearing part or the outer surface of a valve internal part by adopting a mould pressing method, and various valves and pressure containers are manufactured by utilizing the unique performance of the polytetrafluoroethylene resin in the aspect of resisting a strong corrosion medium, but the sealing performance of a plurality of polytetrafluoroethylene valve plates on the market has certain hidden danger, so that the polytetrafluoroethylene valve plates are improved to a certain extent.

Tetrafluoro valve block in use in market is the overlength, and the problem of revealing appears easily in the junction of valve block and valve to when the temperature was too high, the valve block had the possibility that structural change caused the damage appearing, made the valve block damage be unfavorable for using. Therefore, a tetrafluoro valve sheet with high sealing performance is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tetrafluoro valve block that possesses high leakproofness ability to solve the tetrafluoro valve block in use live time that proposes among the above-mentioned background art when too long, the problem of revealing appears easily in the junction of valve block and valve, and when the high temperature, the valve block has the possibility that structural change caused the damage to appear, makes the valve block damaged be unfavorable for the problem of use.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a tetrafluoro valve block that possesses high sealing performance, includes valve block outer wall, valve block hole and goes up the inner tube, the inboard of valve block outer wall is provided with the valve block articulamentum, and the surface of valve block articulamentum is provided with the screw, the inboard of screw is provided with outer anticorrosive coating, and the inboard of outer anticorrosive coating is provided with outer insulating layer, the inboard of outer insulating layer is provided with inner insulating layer, and the inboard of inner insulating layer is provided with inner anticorrosive coating, inner anticorrosive coating's inboard is provided with the valve block hole, the inside of valve block outer wall is provided with the connecting block, and the lower extreme of connecting block is provided with down the inner tube, the outside of lower inner tube is provided with the screw thread layer, and the below of screw thread layer is provided with the inner tube insulating layer, the top of connecting block is provided with the inner tube, the below of connecting block is provided with the gasket layer, and.

Preferably, the screw hole is communicated with the valve plate connecting layer, and the valve plate connecting layer is fixedly connected with the connecting block.

Preferably, the inner wall of the upper built-in pipe is tightly attached to the outer wall of the inner heat insulation layer, and the inner heat insulation layer is fixedly connected with the inner corrosion-resistant layer.

Preferably, the lower built-in pipe is glued to the built-in pipe heat insulation layer, and the lower built-in pipe is hollow.

Preferably, the inner wall of the thread layer is tightly attached to the outer wall of the lower built-in pipe, and the thread layer is spiral.

Preferably, the gasket layer is fixedly connected with the connecting block, and the connecting block is connected with the upper built-in pipe through the gasket layer.

Preferably, the gasket layer and the elastic layer are elastically connected, and the elastic layer is in a circular ring shape.

Compared with the prior art, the beneficial effects of the utility model are that: the inner wall of the upper built-in pipe is tightly attached to the outer wall of the inner heat insulation layer, the inner heat insulation layer is fixedly connected with the inner anti-corrosion layer, the inner heat insulation layer is tightly attached to the upper built-in pipe, so that when a high-temperature object passes through the inner part of the upper built-in pipe, the inner heat insulation layer isolates the temperature, the temperature of the upper built-in pipe is reduced, the service life of the upper built-in pipe is not influenced by the temperature, the inner anti-corrosion layer is arranged on the inner side of the inner heat insulation layer, the inner heat insulation layer is not damaged by the corrosive object, the normal work of the inner heat insulation layer is ensured, and the anti-corrosion and heat insulation effects are;

the gasket layer is fixedly connected with the connecting block, the connecting block is connected with the upper built-in pipe through the gasket layer, the gasket layer is fixed on the connecting block, and the inner side of the gasket layer is fixed on the outer side of the upper built-in pipe, so that when the valve sheet is connected with the controlled object, the gasket layer is attached to the controlled object, a gap sealing effect is achieved, and a sealing effect is achieved;

be elastic connection between gasket layer and the elastic layer, and the elastic layer is the ring form, and the elastic layer setting is in the inside of gasket layer, and the ring form elastic layer makes the elastic layer wrap up built-in pipe, when being connected with the control object, the inside elastic layer of gasket layer receives the extruded effect, and is inside sunken for the sealed effect on gasket layer is strengthened, reaches the sealed effect of reinforcing.

Drawings

Fig. 1 is a schematic top view of the present invention;

FIG. 2 is a schematic front view of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

In the figure: 1. the outer wall of the valve plate; 2. a screw hole; 3. a valve plate hole; 4. an inner corrosion resistant layer; 5. an inner insulating layer; 6. An outer corrosion resistant layer; 7. a valve plate connecting layer; 8. an outer insulating layer; 9. a built-in pipe heat insulation layer; 10. a lower built-in pipe; 11. a threaded layer; 12. connecting blocks; 13. an upper built-in pipe; 14. a gasket layer; 15. an elastic layer.

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. 1-3, the present invention provides a technical solution: a tetrafluoro valve sheet with high sealing performance comprises a valve sheet outer wall 1, a screw hole 2, a valve sheet hole 3, an inner anticorrosive layer 4, an inner heat insulation layer 5, an outer anticorrosive layer 6, a valve sheet connecting layer 7, an outer heat insulation layer 8, a built-in pipe heat insulation layer 9, a lower built-in pipe 10, a thread layer 11, a connecting block 12, an upper built-in pipe 13, a gasket layer 14 and an elastic layer 15, wherein the valve sheet connecting layer 7 is arranged on the inner side of the valve sheet outer wall 1, the screw hole 2 is arranged on the outer surface of the valve sheet connecting layer 7, the outer anticorrosive layer 6 is arranged on the inner side of the screw hole 2, the outer heat insulation layer 8 is arranged on the inner side of the outer anticorrosive layer 6, the inner heat insulation layer 5 is arranged on the inner side of the outer heat insulation layer 8, the inner anticorrosive layer 4 is arranged on the inner side of the inner heat insulation layer 5, the valve sheet hole 3 is arranged on the inner side of, the outer side of the lower built-in pipe 10 is provided with a thread layer 11, a built-in pipe heat insulation layer 9 is arranged below the thread layer 11, an upper built-in pipe 13 is arranged above the connecting block 12, a gasket layer 14 is arranged below the connecting block 12, and an elastic layer 15 is arranged on the inner side of the gasket layer 14.

The screw hole 2 is communicated with the valve plate connecting layer 7, the valve plate connecting layer 7 is fixedly connected with the connecting block 12, the screw hole 2 is formed in the valve plate connecting layer 7, the valve plate connecting layer 7 is attached to the connecting block 12, the screw hole 2 penetrates through the connecting block 12 through the valve plate connecting layer 7, and the valve and the connecting block 12 are screwed and fixed through the screw hole 2 by bolts, so that the valve plate is fixed to the valve;

the inner wall of the upper built-in pipe 13 is tightly attached to the outer wall of the inner heat insulation layer 5, the inner heat insulation layer 5 is fixedly connected with the inner anti-corrosion layer 4, the inner heat insulation layer 5 is tightly attached to the upper built-in pipe 13, so that when a high-temperature object passes through the inner part of the upper built-in pipe 13, the inner heat insulation layer 5 isolates the temperature, the temperature of the upper built-in pipe 13 is reduced, the service life of the upper built-in pipe 13 is not influenced by the temperature, the inner anti-corrosion layer 4 is arranged on the inner side of the inner heat insulation layer 5, the inner heat insulation layer 5 cannot be damaged by corrosive objects, the normal work of the inner heat insulation layer 5 is ensured, and the effects of corrosion resistance and heat insulation are;

the lower built-in pipe 10 is glued with the built-in pipe heat-insulating layer 9, the lower built-in pipe 10 is hollow, the built-in pipe heat-insulating layer 9 is arranged on the outer side of the lower built-in pipe 10, the built-in pipe heat-insulating layer 9 isolates the internal temperature, so that the lower built-in pipe 10 cannot be damaged due to the temperature, the effect of ensuring the normal use of the lower built-in pipe 10 is achieved, the hollow lower built-in pipe 10 facilitates the flow of objects and has strong sealing performance;

the inner wall of the thread layer 11 is tightly attached to the outer wall of the lower built-in pipe 10, the thread layer 11 is spiral, the thread layer 11 is arranged outside the lower built-in pipe 10, and when the lower built-in pipe 10 is connected with other tubular objects, the thread layer 11 is screwed in, so that the installation or the disassembly can be rapidly carried out, and the use effect of a user is convenient;

the gasket layer 14 is fixedly connected with the connecting block 12, the connecting block 12 is connected with the upper built-in pipe 13 through the gasket layer 14, the gasket layer 14 is fixed on the connecting block 12, and the inner side of the gasket layer 14 is fixed on the outer side of the upper built-in pipe 13, so that when the valve plate is connected with a controlled object, the gasket layer 14 is attached to the controlled object, a gap is sealed, and a sealing effect is achieved;

be elastic connection between gasket layer 14 and elastic layer 15, and elastic layer 15 is the ring form, and elastic layer 15 sets up in gasket layer 14's inside, and ring form elastic layer 15 makes elastic layer 15 wrap up built-in pipe, and when being connected with the control object, the inside elastic layer 15 of gasket layer 14 receives the extruded effect, and is inwards sunken for gasket layer 14's sealed effect is strengthened, reaches the sealed effect of reinforcing.

The working principle is as follows: for the PTFE valve plate with high sealing performance, firstly, a user fixes the valve plate on a valve through a screw hole 2 by using a bolt, then an elastic layer 15 is arranged inside a gasket layer 14, the joint of the valve plate and the valve is sealed through the gasket layer 14 to achieve the sealing effect, then a lower built-in pipe 10 is screwed into a pipeline through a thread layer 11 and is sealed through the gasket layer 14 on the lower built-in pipe 10, finally, a high-temperature corrosive object passing through the valve enters a connecting block 12 from the lower built-in pipe 10 through an upper built-in pipe 13 and enters the pipeline, the outer corrosion-resistant layer 6 protects the upper built-in pipe 13 from being corroded before the high-temperature corrosive object enters the valve plate, the outer heat-resistant layer 8 protects the upper built-in pipe 13 from being influenced by temperature, so that the upper built-in pipe 13 is not easy to be damaged, after the high-temperature corrosive object enters the valve plate hole 3, the inner corrosion-resistant layer 4 and the inner, after the high-temperature corrosive substance flows out, the outer anti-corrosion layer 6 and the outer heat insulation layer 8 protect the lower inner pipe 10 from being influenced.

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 (7)

1. The utility model provides a tetrafluoro valve piece that possesses high leakproofness ability, includes valve piece outer wall (1), valve piece hole (3) and goes up built-in pipe (13), its characterized in that: the valve plate comprises a valve plate outer wall (1), a valve plate connecting layer (7) is arranged on the inner side of the valve plate outer wall (1), a screw hole (2) is formed in the outer surface of the valve plate connecting layer (7), an outer corrosion-resistant layer (6) is arranged on the inner side of the screw hole (2), an outer heat-insulating layer (8) is arranged on the inner side of the outer corrosion-resistant layer (6), an inner heat-insulating layer (5) is arranged on the inner side of the outer heat-insulating layer (8), an inner corrosion-resistant layer (4) is arranged on the inner side of the inner heat-insulating layer (5), a valve plate hole (3) is formed on the inner side of the inner corrosion-resistant layer (4), a connecting block (12) is arranged inside the valve plate outer wall (1), a lower built-in pipe (10) is arranged at the lower end of the connecting block (12), a threaded layer (11) is arranged on the outer side of the lower built-in pipe, a gasket layer (14) is arranged below the connecting block (12), and an elastic layer (15) is arranged on the inner side of the gasket layer (14).

2. The tetrafluoro valve sheet with high sealing performance according to claim 1, wherein: the screw hole (2) is communicated with the valve plate connecting layer (7), and the valve plate connecting layer (7) is fixedly connected with the connecting block (12).

3. The tetrafluoro valve sheet with high sealing performance according to claim 1, wherein: the inner wall of the upper built-in pipe (13) is tightly attached to the outer wall of the inner heat insulation layer (5), and the inner heat insulation layer (5) is fixedly connected with the inner anti-corrosion layer (4).

4. The tetrafluoro valve sheet with high sealing performance according to claim 1, wherein: the lower built-in pipe (10) is glued with the built-in pipe heat-insulating layer (9), and the lower built-in pipe (10) is hollow.

5. The tetrafluoro valve sheet with high sealing performance according to claim 1, wherein: the inner wall of the thread layer (11) is tightly attached to the outer wall of the lower built-in pipe (10), and the thread layer (11) is spiral.

6. The tetrafluoro valve sheet with high sealing performance according to claim 1, wherein: the gasket layer (14) is fixedly connected with the connecting block (12), and the connecting block (12) is connected with the upper built-in pipe (13) through the gasket layer (14).

7. The tetrafluoro valve sheet with high sealing performance according to claim 1, wherein: the gasket layer (14) is elastically connected with the elastic layer (15), and the elastic layer (15) is annular.

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