CN213839797U

CN213839797U - Valve shaft seal structure

Info

Publication number: CN213839797U
Application number: CN202023034737.5U
Authority: CN
Inventors: 陈石新
Original assignee: Yancheng Dafeng Xinyang Machinery Factory
Current assignee: Yancheng Yiyang sizing Co.,Ltd.
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-07-30
Anticipated expiration: 2030-12-16

Abstract

The application discloses valve shaft seal structure relates to valve technical field. The utility model discloses a bottom ring, function ring, packing ring installation cover and valve connector, the inside packing ring that is provided with of function ring shelves the groove, and the inside seal ring that is provided with of groove is shelved to the packing ring, and seal ring shelves groove sliding fit with the packing ring, packing ring installation cover and seal ring extrusion fit, packing ring installation cover lower surface are provided with the extension slip post. The utility model discloses a set up seal ring and increased the leakproofness of valve bearing seal and reduced the danger that the valve was revealed to extrude seal ring through setting up the packing ring installation cover and put the groove with its and function intra-annular packing ring and closely laminate and prevent not hard up influence gas tightness, be connected bottom ring and function ring through setting up construction bolt and first screw and second screw, strengthened the steadiness that its is connected, can increase the steadiness of this valve bearing seal through putting the beaded finish in putting the thing groove and prevent that the valve connector from taking place deformation.

Description

Valve shaft seal structure

Technical Field

The utility model belongs to the technical field of the valve, especially, relate to a valve shaft seal structure.

Background

The shaft is a friction seal or stuffing box to prevent fluid leakage between the shaft and bearings of the compressor or other fluid handling equipment, and is also a sealing device provided to prevent leakage between the pump shaft and the housing. The common types of shaft seals are packing seals, mechanical seals and dynamic seals, and the shaft seals of reciprocating pumps are usually packing seals. When the delivery of a medium that does not allow leakage is not allowed, a diaphragm type reciprocating pump may be employed. The shaft seal of rotary pump (including vane pump, rotor pump, etc.) mainly has packing seal, mechanical seal and dynamic seal.

Traditional bearing seal often the structure comparatively simple, and the leakproofness is relatively poor leads to the problem that the valve was revealed when using the valve to connect easily, for solving above-mentioned problem existing design valve bearing seal structure can effectual solution traditional valve bearing seal leakproofness lead to the problem that the valve was revealed relatively easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a valve shaft seal structure has solved the relatively poor problem that leads to the valve to reveal easily of traditional valve shaft seal leakproofness.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a valve shaft seal structure, including bottom ring, function ring, packing ring installation cover and valve connector, bottom ring and valve connector are plate body structure, the function ring is located the bottom ring top, the packing ring installation cover is located the top of function ring, the valve connector is located the top of packing ring installation cover;

the valve sealing device is characterized in that a gasket containing groove is formed in the function ring, a sealing gasket is arranged in the gasket containing groove, the sealing gasket is in sliding fit with the gasket containing groove, the gasket mounting sleeve is in extrusion fit with the sealing gasket, an extending sliding column is arranged on the lower surface of the gasket mounting sleeve, the extending sliding column is in sliding fit with the sealing gasket, the sealing performance of the valve shaft seal is improved by arranging the sealing gasket, the risk of valve leakage is reduced, and the sealing gasket is extruded by arranging the gasket mounting sleeve and is tightly attached to the gasket containing groove in the function ring to prevent looseness and influence on air tightness.

Preferably, the lower surface of the valve connecting port is fixedly connected with a main valve port, the upper surface of the valve connecting port is provided with a plurality of connecting threaded holes, and the main valve port is in threaded fit with the functional ring to connect the valve connecting port with the main valve port with the functional ring.

Preferably, the circumference side inside the valve connector is provided with a storage groove, a reinforcing ring is arranged in the storage groove, the reinforcing ring is in sliding fit with the storage groove, and the stability of the shaft seal of the valve can be improved by arranging the reinforcing ring in the storage groove so as to prevent the valve connector from deforming.

Preferably, the peripheral side face of the functional ring is provided with a plurality of rectangular slots, the rectangular slots are internally provided with second screw holes, and the upper surface of the bottom ring is provided with a plurality of extension plates.

Preferably, an epitaxial plate surface is provided with first screw, the inside week side of first screw and second screw is provided with construction bolt, construction bolt is screw-thread fit with first screw and second screw, is connected bottom ring and function ring through setting up construction bolt and first screw and second screw, has strengthened its steadiness of connecting.

Preferably, the end ring upper surface is provided with a plurality of slip bent plates, the function ring lower surface is provided with bent plate groove, bent plate groove and slip bent plate sliding fit, the quantity of bent plate groove and slip bent plate is two, further stabilizes end ring and function ring and connects, prevents to slide.

The utility model discloses following beneficial effect has:

the utility model reduces the danger of valve leakage by arranging the sealing washer to increase the sealing performance of the valve shaft seal, and the sealing washer is extruded by arranging the sealing washer mounting sleeve to be tightly attached with the gasket containing groove in the functional ring to prevent looseness and influence on air tightness,

the utility model discloses a set up mounting bolt and first screw and second screw and be connected bottom ring and function ring, strengthened the steadiness that it is connected, can increase the steadiness of this valve bearing seal through placing the beaded finish in putting the thing groove and prevent that the valve connector from taking place deformation.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic diagram of the left-side perspective structure of the explosion diagram of the present invention;

FIG. 2 is a schematic diagram of the right perspective structure of the explosion chart of the present invention;

fig. 3 is a front view of the explosion diagram of the present invention;

FIG. 4 is a schematic bottom perspective view of an exploded view of the present invention;

fig. 5 is a top view of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below: 1. a reinforcement ring; 2. a valve connecting port; 3. connecting the threaded hole; 4. a gasket mounting sleeve; 5. installing a bolt; 6. a sealing gasket; 7. a gasket-retaining groove; 8. sliding the bent plate; 9. a bottom ring; 10. a first screw hole; 11. an epitaxial plate; 12. a second screw hole; 13. slotting in a rectangular shape; 14. a functional ring; 15. an extending sliding post; 16. a main valve port; 17. a storage groove; 18. and bending the plate groove.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "middle", "outer", "inner", "lower", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1-5, the present invention relates to a valve shaft seal structure, which includes a bottom ring 9, a functional ring 14, a gasket mounting sleeve 4 and a valve connector 2, wherein the bottom ring 9 and the valve connector 2 are both plate structures, the functional ring 14 is located above the bottom ring 9, the gasket mounting sleeve 4 is located above the functional ring 14, and the valve connector 2 is located above the gasket mounting sleeve 4;

function ring 14 is inside to be provided with the packing ring and to shelve groove 7, the inside seal ring 6 that is provided with of packing ring shelve groove 7, seal ring 6 shelves groove 7 sliding fit with the packing ring, packing ring installation cover 4 and seal ring 6 extrusion fit, packing ring installation cover 4 lower surface is provided with extends sliding column 15, extend sliding column 15 and seal ring 6 sliding fit, the leakproofness that increases the valve shaft seal through setting up seal ring 6 has reduced the danger that the valve was revealed, and shelve the inseparable laminating of groove 7 and the interior packing ring of function ring 14 and prevent not hard up influence gas tightness through setting up packing ring installation cover 4 with seal ring 6 extrusion.

Further, the lower surface of the valve connecting port 2 is fixedly connected with a main valve port 16, the upper surface of the valve connecting port 2 is provided with a plurality of connecting threaded holes 3, and the main valve port 16 is in threaded fit with the functional ring 14 to connect the valve connecting port 2 with the main valve port 16 with the functional ring 14.

Further, the inside week side of valve connector 2 is provided with puts the thing groove 17, puts and is provided with the beaded finish 1 in the thing groove 17, beaded finish 1 with put thing groove 17 sliding fit, can increase the steadiness of this valve shaft seal through putting beaded finish 1 in putting thing groove 17 and prevent that valve connector 2 from taking place deformation.

Furthermore, a plurality of rectangular slots 13 are formed in the peripheral side surface of the function ring 14, second screw holes 12 are formed in the rectangular slots 13, and a plurality of extension plates 11 are arranged on the upper surface of the bottom ring 9.

Further, 11 surfaces of epitaxial plate are provided with first screw 10, and the internal periphery side of first screw 10 and second screw 12 is provided with mounting bolt 5, and mounting bolt 5 is screw-thread fit with first screw 10 and second screw 12, is connected bottom ring 9 and function ring 14 through setting up mounting bolt 5 and first screw 10 and second screw 12, has strengthened the steadiness of its connection.

Further, the upper surface of the bottom ring 9 is provided with a plurality of sliding bent plates 8, the lower surface of the function ring 14 is provided with a bent plate groove 18, the bent plate groove 18 is in sliding fit with the sliding bent plates 8, the number of the bent plate grooves 18 and the number of the sliding bent plates 8 are two, and the bottom ring 9 and the function ring 14 are further connected stably to prevent sliding.

One specific application of this embodiment is: this valve shaft seal uses construction bolt 5 to be connected bottom ring 9 and function ring 14 through first screw 10 and second screw 12 when using, puts seal ring 6 and uses packing ring collar 4 to push down seal ring 6 in packing ring shelving groove 7, further uses the valve connector 2 that has main valve mouth 16 to carry out threaded socket with function ring 14, has increased the leakproofness of shaft seal and has reduced the danger that the valve was revealed.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A valve shaft seal structure comprises a bottom ring (9), a functional ring (14), a gasket mounting sleeve (4) and a valve connecting port (2), and is characterized in that the bottom ring (9) and the valve connecting port (2) are both plate structures, the functional ring (14) is positioned above the bottom ring (9), the gasket mounting sleeve (4) is positioned above the functional ring (14), and the valve connecting port (2) is positioned above the gasket mounting sleeve (4);

function ring (14) inside is provided with the packing ring and puts groove (7), the inside seal ring (6) that is provided with of groove (7) is put to the packing ring, groove (7) sliding fit is put with the packing ring in seal ring (6), packing ring installation cover (4) and seal ring (6) extrusion fit, packing ring installation cover (4) lower surface is provided with and extends sliding column (15), extend sliding column (15) and seal ring (6) sliding fit.

2. The valve shaft seal structure of claim 1, wherein: the lower surface of the valve connecting port (2) is fixedly connected with a main valve port (16), the upper surface of the valve connecting port (2) is provided with a plurality of connecting threaded holes (3), and the main valve port (16) is in threaded fit with the functional ring (14).

3. The valve shaft seal structure of claim 1, wherein: the valve is characterized in that an object placing groove (17) is formed in the inner circumferential side face of the valve connecting port (2), a reinforcing ring (1) is arranged in the object placing groove (17), and the reinforcing ring (1) is in sliding fit with the object placing groove (17).

4. The valve shaft seal structure of claim 1, wherein: the side of the periphery of the functional ring (14) is provided with a plurality of rectangular slots (13), the rectangular slots (13) are internally provided with second screw holes (12), and the upper surface of the bottom ring (9) is provided with a plurality of extension plates (11).

5. The valve shaft seal structure of claim 4, wherein: a first screw hole (10) is formed in one surface of the extension plate (11), mounting bolts (5) are arranged on the inner peripheral side faces of the first screw hole (10) and the second screw hole (12), and the mounting bolts (5) are in threaded fit with the first screw hole (10) and the second screw hole (12).

6. The valve shaft seal structure of claim 1, wherein: the utility model discloses a function ring, including end ring (9), function ring (14), curved plate groove (18) and slip curved plate (8), the quantity of curved plate groove (18) and slip curved plate (8) is two.