CN218719228U

CN218719228U - Valve filler with excellent sealing performance and long service life

Info

Publication number: CN218719228U
Application number: CN202223152606.6U
Authority: CN
Inventors: 王迪明; 王超
Original assignee: Hangzhou Tongtai Seal Co ltd
Current assignee: Hangzhou Tongtai Seal Co ltd
Priority date: 2022-11-24
Filing date: 2022-11-24
Publication date: 2023-03-24
Anticipated expiration: 2032-11-24

Abstract

The utility model discloses a good long service life's of leakproofness valve filler, comprises a valve seat, the internally mounted of disk seat has the valve rod, the gland is installed through first bolt in the top of disk seat, and the briquetting is installed to the bottom of gland. The utility model discloses a be provided with a packing section of thick bamboo, can conveniently take out a packing section of thick bamboo through the effect of second bolt in the use, it overhauls its inside packing group promptly to make things convenient for, thereby can prolong its life, and the service effect is improved, through sealed piece, the sealing performance between a packing section of thick bamboo and the disk seat is convenient for guarantee to the effect of seal cover and seal groove, through being provided with sealing mechanism, push down in-process inside seal pad and outside seal pad atress outward movement at gland and briquetting, so that outside seal pad and compensation circle are filled in briquetting and a packing section of thick bamboo, the inside seal pad is filled between valve rod and briquetting, thereby its sealing performance is effectively strengthened.

Description

Valve filler with excellent sealing performance and long service life

Technical Field

The utility model relates to a valve packing technical field, in particular to good long service life's of leakproofness valve packing.

Background

The valve is a device for controlling the direction, pressure and flow of fluid in a fluid system, and is a device which can make the medium in the pipe and equipment flow or stop and can control the flow of the medium, and the valve comprises a valve body, a valve core and a valve rod;

in order to ensure that a moving part valve rod is sealed in a working state in the using process of a valve in the prior art, a packing seal is required to be arranged between the upper part of a valve body and the valve rod, after the packing is arranged in a packing cavity, the packing is axially compressed through a gland and a bolt, when the valve rod and the packing move relatively, the packing generates radial force and is in close contact with the valve rod due to the plasticity of the packing, but the sealing performance of the structure of the existing valve packing has a certain optimized space, so that the sealing performance among the packing, a valve seat and the valve rod is inconvenient to enhance in an auxiliary mode, the reliability of the valve seal is influenced, meanwhile, the valve packing is generally used in a multilayer packing mode, the packing is inconvenient to take out and overhaul, the service life of the valve packing is shortened, and therefore the valve packing with excellent sealing performance and long service life is required to be designed to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a valve filler of good long service life of leakproofness to solve the comparatively scarce and inconvenient problem of overhauing of the leakproofness of proposing in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a valve packing of good life of leakproofness, includes the disk seat, the internally mounted of disk seat has the valve rod, the gland is installed through first bolt in the top of disk seat, and the bottom of gland installs the briquetting, the inside of disk seat is provided with the mounting groove, and the internally mounted of mounting groove has a packing section of thick bamboo, the inside of packing section of thick bamboo has set gradually first packing group, second packing group and third packing group, install first encryption circle between first packing group and the second packing group, install second encryption circle between second packing group and the third packing group, the top of first packing group is provided with sealing mechanism, sealed piece is installed to the bottom of packing section of thick bamboo, and the seal cover is installed to the bottom of sealed piece, the top of disk seat is provided with the seal groove, and is connected with sealed piece, first encryption ring is all installed at the both ends of first packing group, second packing group and the top of third packing group all are provided with first encryption groove, and first encryption groove are all connected with the top of second packing group, the second encryption ring is connected with the second encryption ring and the top of second encryption ring group, the second encryption ring is provided with the top of second encryption groove and the second encryption ring.

When using the valve that a leakproofness is good long service life of this technical scheme to pack, use through mutually supporting of sealing mechanism, first encryption ring, second encryption ring, sealed piece and compensation circle, be convenient for effectively strengthen its sealing performance, can make things convenient for the maintenance of packing through setting up a section of thick bamboo that packs to prolong its life.

Preferably, the sealing mechanism comprises an outer sealing gasket, the outer sealing gasket is mounted on the inner side of the packing cylinder, an elastic connecting piece is mounted on the inner side of the outer sealing gasket, and an inner sealing gasket is mounted on the inner side of the elastic connecting piece.

Preferably, the outer side of the outer sealing gasket is uniformly provided with a compensation ring, the inner side of the packing cylinder is uniformly provided with a compensation groove, and the compensation groove is connected with the compensation ring.

Preferably, the cross sections of the compensation rings are all semicircular, and the compensation rings are arranged and distributed on the outer side of the outer sealing gasket at equal intervals.

Preferably, the top of disk seat evenly is provided with the screw, and the inside of screw all installs the second bolt through a packing section of thick bamboo.

Compared with the prior art, the beneficial effects of the utility model are that: this valve packing that the good life of leakproofness is long has realized high-efficient sealed and convenient to overhaul's function, through being provided with the packing section of thick bamboo, can conveniently take out the packing section of thick bamboo through the effect of second bolt in the use, it overhauls its inside packing group promptly to make things convenient for, thereby can prolong its life, and the use effect is improved, through sealed piece, the sealing performance between packing section of thick bamboo and the disk seat is convenient for guarantee to the effect of seal cover and seal groove, through being provided with sealing mechanism, the in-process inside seal pad and outside seal pad atress outwards remove is pushed down at gland and briquetting, so that outside seal pad and compensation circle are filled in briquetting and packing section of thick bamboo, the inside seal pad is filled between valve rod and briquetting, thereby effectively strengthen its sealing performance, secondly through first encryption ring and second encryption ring, can further strengthen the compactness of connecting between the packing group, thereby improve its sealed effect.

Drawings

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

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a schematic structural view of a portion a in fig. 1 according to the present invention;

fig. 3 is a schematic diagram of the three-dimensional structure of the packing cylinder of the present invention.

The reference numerals in the figures illustrate: 1. a valve stem; 2. a gland; 3. pressing into blocks; 4. a first bolt; 5. a sealing mechanism; 501. an outer seal gasket; 502. an inner seal; 503. an elastic connecting member; 6. a valve seat; 7. a first packing set; 8. a first encryption ring; 9. a second filler group; 10. a third packing set; 11. a first encryption slot; 12. a first encryption ring; 13. a second encryption ring; 14. a second encryption slot; 15. a second encryption ring; 16. a compensation groove; 17. a compensation ring; 18. a sealing block; 19. sealing sleeves; 20. a sealing groove; 21. a screw hole; 22. a second bolt; 23. mounting grooves; 24. and (4) a packing cylinder.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. 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.

Referring to fig. 1-3, the present invention provides an embodiment: a kind of valve packing with good sealing performance and long service life includes a valve seat 6;

screw holes 21 are uniformly formed in the top end of the valve seat 6, and second bolts 22 are mounted inside the screw holes 21 through packing cylinders 24;

specifically, as shown in fig. 2, when in use, the second bolt 22 is used for facilitating the disassembly and assembly maintenance of the packing cylinder 24;

a valve rod 1 is installed inside a valve seat 6, a gland 2 is installed at the top end of the valve seat 6 through a first bolt 4, a pressing block 3 is installed at the bottom end of the gland 2, an installation groove 23 is formed inside the valve seat 6, a packing cylinder 24 is installed inside the installation groove 23, a first packing group 7, a second packing group 9 and a third packing group 10 are sequentially arranged inside the packing cylinder 24, a first encryption ring 8 is installed between the first packing group 7 and the second packing group 9, a second encryption ring 13 is installed between the second packing group 9 and the third packing group 10, and a sealing mechanism 5 is arranged at the top end of the first packing group 7;

the sealing mechanism 5 comprises an outer sealing pad 501, the outer sealing pad 501 is arranged on the inner side of the packing cylinder 24, an elastic connecting piece 503 is arranged on the inner side of the outer sealing pad 501, an inner sealing pad 502 is arranged on the inner side of the elastic connecting piece 503, compensating rings 17 are uniformly arranged on the outer side of the outer sealing pad 501, compensating grooves 16 are uniformly arranged on the inner side of the packing cylinder 24, the compensating grooves 16 are connected with the compensating rings 17, the cross sections of the compensating rings 17 are semicircular, and the compensating rings 17 are arranged and distributed on the outer side of the outer sealing pad 501 at equal intervals;

specifically, as shown in fig. 1, when in use, the sealing mechanism 5 is arranged, the inner sealing pad 502 and the outer sealing pad 501 are forced to move outwards in the process of pressing the gland 2 and the pressing block 3, so that the outer sealing pad 501 and the compensation ring 17 are filled in the pressing block 3 and the filling cylinder 24, and the inner sealing pad 502 is filled between the valve rod 1 and the pressing block 3, thereby effectively enhancing the sealing performance;

sealing block 18 is installed to the bottom of packing section of thick bamboo 24, and sealing boot 19 is installed to the bottom of sealing block 18, the top of disk seat 6 is provided with seal groove 20, and seal groove 20 is connected with sealing block 18, first encryption ring 12 is all installed at the both ends of first encryption ring 8 and second encryption ring 13, the bottom of first packing group 7, the both ends of second packing group 9 and the top of third packing group 10 all are provided with first encryption groove 11, and first encryption groove 11 all is connected with first encryption ring 12, second encryption ring 15 is all installed at the both ends of first encryption ring 8 and second encryption ring 13 in the first encryption ring 12 outside, the bottom of first packing group 7, the both ends of second packing group 9 and the top of third packing group 10 all are provided with second encryption groove 14, and second encryption groove 14 all is connected with second encryption ring 15.

The working principle is as follows: the utility model discloses when using, at first, be convenient for take out packing section of thick bamboo 24 through second bolt 22, it overhauls its inside packing group promptly to be convenient for, thereby can prolong its life, secondly through sealed piece 18, the effect of seal cover 19 and seal groove 20 is convenient for guarantee the sealing performance between packing section of thick bamboo 24 and the disk seat 6, through being provided with sealing mechanism 5, press down in-process inside seal pad 502 and outside seal pad 501 atress outwards to remove at gland 2 and briquetting 3, so that outside seal pad 501 and compensation circle 17 fill in briquetting 3 and packing section of thick bamboo 24, inside seal pad 502 fills between valve rod 1 and briquetting 3, thereby effectively strengthen its sealing performance, secondly, through first encryption ring 12 and second encryption ring 15, can further strengthen the compactness of connecting between the packing group, thereby improve its sealed effect.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A valve packing with excellent sealing performance and long service life comprises a valve seat (6), and is characterized in that: the utility model discloses a sealing structure, including valve seat (6), valve seat (6) internally mounted has valve rod (1), gland (2) are installed through first bolt (4) in the top of valve seat (6), and the bottom of gland (2) installs briquetting (3), the inside of valve seat (6) is provided with mounting groove (23), and the internally mounted of mounting groove (23) has packing section of thick bamboo (24), the inside of packing section of thick bamboo (24) has set gradually first packing group (7), second packing group (9) and third packing group (10), install first packing group (7) and second packing group (9) between first packing group (7) and the second packing group (8), install second packing group (13) between second packing group (9) and third packing group (10), the top of first packing group (7) is provided with sealing mechanism (5), sealing block (18) are installed to the bottom of packing section of thick bamboo (24), and sealing block (18) install bottom sealing gland (19), the top of valve seat (6) is provided with seal groove (20), and seal groove (18) the top of first packing group (9) is provided with the second packing group (13) and the packing group (10) and the top of second packing group (7) are all sealed and the packing group (13) are provided with two packing group (13), and the packing group (7) are sealed the packing group (12) are sealed and are sealed the packing group (10) and are all sealed and are sealed the packing group (13) are equipped with the top of packing group (7) and are sealed the packing group (13) and are sealed the packing group (13) and are sealed the top of the packing group Groove (11), and first encryption groove (11) all are connected with first encryption ring (12), second encryption ring (15) are all installed at the both ends of first encryption ring (8) and second encryption ring (13) in the first encryption ring (12) outside, the bottom of first packing group (7), the both ends of second packing group (9) and the top of third packing group (10) all are provided with second encryption groove (14), and second encryption groove (14) all are connected with second encryption ring (15).

2. The valve packing material with excellent sealing performance and long service life as claimed in claim 1, wherein: the sealing mechanism (5) comprises an outer sealing gasket (501), the outer sealing gasket (501) is installed on the inner side of the packing cylinder (24), an elastic connecting piece (503) is installed on the inner side of the outer sealing gasket (501), and an inner sealing gasket (502) is installed on the inner side of the elastic connecting piece (503).

3. The valve packing material with excellent sealing performance and long service life as claimed in claim 2, wherein: the outer side of the outer sealing gasket (501) is uniformly provided with compensation rings (17), the inner side of the packing cylinder (24) is uniformly provided with compensation grooves (16), and the compensation grooves (16) are connected with the compensation rings (17).

4. The valve packing material with excellent sealing performance and long service life according to claim 3, wherein: the cross sections of the compensating rings (17) are semicircular, and the compensating rings (17) are arranged and distributed on the outer side of the outer sealing gasket (501) at equal intervals.

5. The valve packing material with excellent sealing performance and long service life as claimed in claim 1, wherein: the top of valve seat (6) evenly is provided with screw (21), and the inside of screw (21) all installs second bolt (22) through packing section of thick bamboo (24).