CN213929413U

CN213929413U - Packing leak-stopping device for valve maintenance

Info

Publication number: CN213929413U
Application number: CN202022675859.6U
Authority: CN
Inventors: 刘茂红; 富立强
Original assignee: Liaoning Qinghe Electric Power Maintenance Co ltd
Current assignee: Liaoning Qinghe Electric Power Maintenance Co ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-08-10
Anticipated expiration: 2030-11-18

Abstract

The utility model discloses a packing leak-stopping device that valve overhauls usefulness relates to power maintenance technical field, the utility model discloses a sleeve pipe, fixed plate and second packing, first recess has been seted up to sleeve pipe one side, the even fixed welding of first recess inner wall has the head rod, sleeve pipe one side inner wall slides and has cup jointed first sealing washer, first sealing washer one side fixedly connected with fixed plate, fixed plate one side corresponds head rod department and has seted up first spacing groove. The utility model discloses a setting of first packing is through pegging graft the jack in valve one end, then makes first packing and valve one end contact through twisting the movable threaded rod, seals the valve, avoids appearing the condition of gas leakage and appears, can avoid simultaneously that air from valve department converges into inside to detachable effect can be realized to second packing and fixed plate, and be convenient for store, and portable more space more can be saved, has promoted the availability factor of leak-stopping device greatly.

Description

Packing leak-stopping device for valve maintenance

Technical Field

The utility model belongs to the technical field of power maintenance, especially, relate to a packing leak-stopping device that valve overhauld usefulness.

Background

Packing (weaving packing), also called sealing packing, is usually woven from softer threads, and strips, usually square or rectangular or circular in cross-section, are filled in a sealing cavity, thereby achieving sealing. The stuffing seal is firstly to prevent the liquid flow from leaking by the fiber plug such as cotton and hemp in the leakage passage, and is mainly used as the shaft seal of the water lifting machine. The filler has wide sources, easy processing, low price, reliable sealing and simple operation, so the filler is continuously used up to now. Packing is now widely used in centrifugal pumps, compressors, vacuum pumps, shaft seals for blenders and marine propellers, piston pumps, reciprocating compressors, reciprocating shaft seals for refrigerators, rotary seals for valve stems of various valves, and the like. Need utilize the packing when overhauing the electric power valve, utilize the packing to seal and fill, but the packing leak-stopping device among the prior art still has the defect, for example:

packing leak-stopping device among the prior art's gas tightness is not good, can appear the condition of gas leakage when overhauing the valve to lead to the air to converge, so can't satisfy prior art needs.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a packing leak-stopping device that valve overhauls usefulness, through the setting of first packing, second packing, first set nut, second set nut, threaded rod and closing plate, solved the airtight not good problem of current packing leak-stopping device.

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

the utility model relates to a packing leak-stopping device for valve maintenance, which comprises a sleeve, a fixed plate and a second packing, wherein one side of the sleeve is provided with a first groove, the inner wall of the first groove is uniformly and fixedly welded with a first connecting rod, the inner wall of one side of the sleeve is slidably sleeved with a first sealing ring, one side of the first sealing ring is fixedly connected with the fixed plate, one side of the fixed plate is provided with a first limit groove corresponding to the first connecting rod, the first limit groove is slidably sleeved at the periphery of the first connecting rod, the axle center of one side of the fixed plate is in threaded connection with a threaded rod, one end of the threaded rod is rotatably connected with a sealing plate through a rotating shaft, the sealing plate is slidably sleeved at the inner wall of the sleeve, one side of the sealing plate is inlaid with the first packing, the other side of the sleeve is provided with a second groove, the inner wall of the second groove is uniformly and fixedly welded with a second connecting rod, the inner wall of the other side of the sleeve is slidably sleeved with a second sealing ring, the second packing is fixedly connected to one side of the second sealing ring, an inserting hole is formed in the axis of one side of the second packing, a second limiting groove is formed in one side of the second packing, corresponds to the second connecting rod, and is sleeved on the periphery of the second connecting rod in a sliding mode.

Furthermore, the periphery of the fixing plate, which corresponds to the first limiting groove, is in threaded connection with a first positioning nut, and one end of the first positioning nut is in threaded connection with the first connecting rod.

Further, the diameter of the inner ring on one side of the sleeve is the same as that of the outer ring of the first sealing ring.

Furthermore, a second positioning nut is connected to the other side of the second packing corresponding to the second limiting groove in a threaded manner, and one end of the second positioning nut is connected into the second connecting rod in a threaded manner.

Furthermore, the diameter of the inner ring at the other side of the sleeve is the same as the radius of the circumscribed circle of the second sealing ring.

Furthermore, the first connecting rods are provided with four, and the second connecting rods are provided with four.

Further, the diameter of the inner ring of the sleeve is the same as that of the outer ring of the sealing plate.

Further, the other end of the threaded rod penetrates through the fixed plate and is fixedly welded with the handrail.

The utility model discloses following beneficial effect has:

the utility model discloses a setting of first packing is through pegging graft the jack in valve one end, then makes first packing and valve one end contact through twisting the movable threaded rod, seals the valve, avoids appearing the condition of gas leakage and appears, can avoid simultaneously that air from valve department converges into inside to detachable effect can be realized to second packing and fixed plate, and be convenient for store, and portable more space more can be saved, has promoted the availability factor of leak-stopping device greatly.

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 front sectional view of the present invention;

fig. 2 is a left side view of the casing of the present invention;

FIG. 3 is a right side view of the sleeve of the present invention;

fig. 4 is a side view of a second packing of the present invention;

fig. 5 is a side view of the fixing plate of the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

1. a sleeve; 11. a first groove; 12. a first connecting rod; 13. a second groove; 14. a second connecting rod; 2. a fixing plate; 21. a threaded rod; 22. a handrail; 23. a sealing plate; 24. a first packing; 25. a first seal ring; 26. a first limit groove; 27. a first positioning nut; 3. a second packing; 31. a jack; 32. a second seal ring; 33. a second limit groove; 34. and a second positioning nut.

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.

Referring to fig. 1-5, the present invention relates to a packing leak-stopping device for valve maintenance, comprising a sleeve 1, a fixing plate 2 and a second packing 3, wherein one side of the sleeve 1 is provided with a first groove 11, the inner wall of the first groove 11 is uniformly and fixedly welded with a first connecting rod 12, the inner wall of one side of the sleeve 1 is slidably sleeved with a first sealing ring 25, one side of the first sealing ring 25 is fixedly connected with the fixing plate 2, one side of the fixing plate 2 is provided with a first limiting groove 26 corresponding to the first connecting rod 12, the first limiting groove 26 is slidably sleeved on the periphery of the first connecting rod 12, the axis of one side of the fixing plate 2 is threadedly connected with a threaded rod 21, one end of the threaded rod 21 is rotatably connected with a sealing plate 23 through a rotating shaft, the sealing plate 23 is slidably sleeved on the inner wall of the sleeve 1, one side of the sealing plate 23 is inlaid with a first packing 24, the other side of the sleeve 1 is provided with a second groove 13, the inner wall of the second groove 13 is uniformly and fixedly welded with a second connecting rod 14, the inner wall of the other side of the sleeve 1 is slidably sleeved with a second sealing ring 32, one side of the second sealing ring 32 is fixedly connected with a second packing 3, the axle center of one side of the second packing 3 is provided with a jack 31, one side of the second packing 3 is provided with a second limiting groove 33 corresponding to the second connecting rod 14, and the second limiting groove 33 is slidably sleeved on the periphery of the second connecting rod 14.

As shown in fig. 1 and 2, a first positioning nut 27 is connected to the periphery of the fixing plate 2 corresponding to the first limiting groove 26 in a threaded manner, one end of the first positioning nut 27 is connected in the first connecting rod 12 in a threaded manner, the diameter of the inner ring at one side of the casing 1 is the same as the diameter of the outer ring of the first seal ring 25, a second positioning nut 34 is connected to the other side of the second packing 3 corresponding to the second limiting groove 33 in a threaded manner, one end of the second positioning nut 34 is connected in the second connecting rod 14 in a threaded manner, the fixing plate 2 and the second packing 3 are conveniently taken down through the arrangement of the second positioning nut 34 and the first positioning nut 27, so that the first packing 24 is conveniently taken out and cleaned, the phenomenon that a lot of dust or adhesive is adhered to one side of the first packing 24 to affect the sealing performance during use is avoided, meanwhile, the phenomenon that dust is collected into the valve from the first packing 24 to avoid the occurrence of oxidation reaction due to the influx of air is avoided, the diameter of the inner ring at the other side of the sleeve 1 is the same as the radius of the external circle of the second sealing ring 32, the number of the first connecting rods 12 is four, the number of the second connecting rods 14 is four, the diameter of the inner ring of the sleeve 1 is the same as that of the outer ring of the sealing plate 23, and the other end of the threaded rod 21 penetrates through the fixing plate 2 and is fixedly welded with the handrail 22.

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. The utility model provides a packing leak-stopping device of valve maintenance usefulness, includes sleeve pipe (1), fixed plate (2) and second packing (3), its characterized in that: the sealing sleeve is characterized in that a first groove (11) is formed in one side of the sleeve (1), a first connecting rod (12) is uniformly and fixedly welded on the inner wall of the first groove (11), a first sealing ring (25) is sleeved on the inner wall of one side of the sleeve (1) in a sliding mode, a fixing plate (2) is fixedly connected to one side of the first sealing ring (25), a first limiting groove (26) is formed in one side of the fixing plate (2) corresponding to the first connecting rod (12), the first limiting groove (26) is sleeved on the periphery of the first connecting rod (12) in a sliding mode, a threaded rod (21) is connected to the axis of one side of the fixing plate (2) in a threaded mode, one end of the threaded rod (21) is rotatably connected with a sealing plate (23) through a rotating shaft, the sealing plate (23) is sleeved on the inner wall of the sleeve (1) in a sliding mode, a first packing (24) is inlaid on one side of the sealing plate (23), a second groove (13) is formed in the other side of the sleeve (1), the even fixed welding of second recess (13) inner wall has second connecting rod (14), sleeve pipe (1) opposite side inner wall slides and has cup jointed second sealing washer (32), second sealing washer (32) one side fixedly connected with second packing (3), jack (31) have been seted up to second packing (3) one side axle center department, second spacing groove (33) have been seted up to second packing (3) one side correspondence second connecting rod (14) department, second spacing groove (33) slide and cup joint in second connecting rod (14) periphery.

2. The packing leak-stopping device for valve maintenance according to claim 1, characterized in that: the periphery of the fixing plate (2) is connected with a first positioning nut (27) in a threaded mode corresponding to the first limiting groove (26), and one end of the first positioning nut (27) is connected into the first connecting rod (12) in a threaded mode.

3. The packing leak-stopping device for valve maintenance according to claim 1, characterized in that: the diameter of the inner ring at one side of the sleeve (1) is the same as that of the outer ring of the first sealing ring (25).

4. The packing leak-stopping device for valve maintenance according to claim 1, characterized in that: the other side of the second packing (3) is in threaded connection with a second positioning nut (34) corresponding to the second limiting groove (33), and one end of the second positioning nut (34) is in threaded connection with the second connecting rod (14).

5. The packing leak-stopping device for valve maintenance according to claim 1, characterized in that: the diameter of the inner ring at the other side of the sleeve (1) is the same as the radius of the circumscribed circle of the second sealing ring (32).

6. The packing leak-stopping device for valve maintenance according to claim 1, characterized in that: the number of the first connecting rods (12) is four, and the number of the second connecting rods (14) is four.

7. The packing leak-stopping device for valve maintenance according to claim 1, characterized in that: the diameter of the inner ring of the sleeve (1) is the same as that of the outer ring of the sealing plate (23).

8. The packing leak-stopping device for valve maintenance according to claim 1, characterized in that: the other end of the threaded rod (21) penetrates through the fixing plate (2) and is fixedly welded with a handrail (22).