CN215294042U

CN215294042U - Instrument valve convenient to replace for petroleum pipeline

Info

Publication number: CN215294042U
Application number: CN202121151852.2U
Authority: CN
Inventors: 曾正坤
Original assignee: Yancheng Ranfeng Mechanical Equipment Manufacturing Co ltd
Current assignee: Yancheng Ranfeng Mechanical Equipment Manufacturing Co ltd
Priority date: 2021-05-26
Filing date: 2021-05-26
Publication date: 2021-12-24
Anticipated expiration: 2031-05-26

Abstract

The utility model discloses a be convenient for change type instrument valve for petroleum pipeline belongs to instrument valve technical field, including valve body, quick fixed subassembly and seal assembly, the upper end of valve body is connected with the regulation pole, the upper end of regulation pole is fixed with the panel board, the one end of valve body is provided with the import, the other end of valve body is provided with the export, the utility model discloses stir fixed cardboard outwards and make second reset spring shrink, fixed cardboard outwards moves, moves the pipeline and inserts the centre, loosens fixed cardboard, and fixed cardboard moves back along the spout under the spring action of second reset spring, and fixed cardboard blocks the pipeline, and fixed cardboard moves under the spring action of first reset spring, and fixed cardboard blocks fixed cardboard, and fixed cardboard firmly fixes on the surface of connecting, and is quick fixed, avoids moving and droing; the utility model discloses with the nestification of rubber connecting pipe inside the connecting pipe, the pipe edge of connecting pipe is hugged closely to the rubber packing ring, avoids leaking, improves sealed effect.

Description

Instrument valve convenient to replace for petroleum pipeline

Technical Field

The utility model belongs to the technical field of the instrument valve, concretely relates to be convenient for change type instrument valve for petroleum pipeline.

Background

In petroleum pipelines, there are provided meter valves, which are a kind of pipe fittings. It is a device for changing the cross section of the channel and the flowing direction of the medium and controlling the flowing of the conveying medium. The sealing performance of the instrument valve refers to the capability of each sealing part of the instrument valve for preventing medium leakage, and is the most important technical performance index of the instrument valve. The instrument valve has three sealed positions: the contact part between the opening and closing piece and the two sealing surfaces of the valve seat; matching and combining the packing with the valve rod and the packing box; the valve body is connected with the valve cover. Where the former leak is called an internal leak, known as a leak that is not tight, it will affect the ability of the meter valve to shut off the media. Internal leakage is not allowed for shut-off valves and the like. The latter two leaks are called external leaks, i.e. leakage of medium from the inside of the valve to the outside of the valve. The leakage can cause material loss and environmental pollution, and can also cause accidents in serious cases. For flammable and explosive, toxic or radioactive media, leakage is not allowed, and therefore the instrument valve must have reliable sealing performance.

The prior art has the following problems: the existing instrument valve convenient to replace is connected and fixed through a threaded sleeve when in use, the threaded sleeve is inconvenient to screw, and meanwhile, the fixed sealing performance is poor, so that the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a be convenient for remodel instrument valve for petroleum pipeline has simple structure, fixed easy dismounting, sealed effectual characteristics.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a be convenient for change type instrument valve for petroleum pipeline, includes valve body, quick fixed subassembly and seal assembly, the upper end of valve body is connected with the regulation pole, the upper end of adjusting the pole is fixed with the panel board, the one end of valve body is provided with the import, the other end of valve body is provided with the export, the surface of import and export all is provided with quick fixed subassembly, the side of valve body is located the port of import and export and all is provided with seal assembly.

Preferably, the quick fixed subassembly includes fixed snap ring, first reset spring, fixed cardboard, second reset spring and spout, wherein, the side of valve body is provided with the spout, the inside sliding connection of spout has fixed cardboard, the one end that the valve body was kept away from to fixed cardboard is provided with first reset spring, first reset spring's the other end is connected with fixed snap ring, be connected with second reset spring between the one end that fixed cardboard is located the spout and the valve body.

Preferably, the seal assembly comprises a sleeve, a rubber connecting pipe, a telescopic spring and a rubber gasket, wherein the rubber connecting pipe is arranged inside the sleeve, the rubber gasket is arranged on the side edge of the sleeve, and the telescopic spring is arranged on the surface of the rubber connecting pipe, which is located inside the sleeve.

Preferably, the fixed clamping ring is connected with the fixed clamping plate in a sliding mode, and the fixed clamping ring is of an annular structure.

Preferably, the fixed clamping plate is arranged to be of an inclined structure, the outer surface of the fixed clamping plate is arranged to be of an inclined structure, and the inner side of the fixed clamping plate is arranged to be of a thread groove structure.

Preferably, the first return spring and the second return spring are in an expanded state in a natural state.

Preferably, the rubber connecting pipe is connected with the sleeve in a sliding mode, and the telescopic spring is in a contraction state under a natural state.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses stir fixed cardboard outwards and make the second reset spring shrink, fixed cardboard outwards moves, and the removal pipeline inserts in the middle of, loosens fixed cardboard, and fixed cardboard moves back along the spout under the elastic action of second reset spring, and fixed cardboard blocks the pipeline, and fixed snap ring moves under the elastic action of first reset spring, and fixed snap ring blocks fixed cardboard, and fixed cardboard firmly fixes on the surface of connecting, and is quick fixed, avoids removing and drops;

2. the utility model discloses with the nestification of rubber connecting pipe inside the connecting pipe, the pipe edge of connecting pipe is hugged closely to the rubber packing ring, avoids sealed thoroughly not causing the leakage, improves sealed effect.

Drawings

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

FIG. 2 is a schematic structural view of the quick fixing assembly of the present invention;

fig. 3 is a schematic structural view of the sealing assembly of the present invention;

in the figure: 1. an instrument panel; 2. adjusting a rod; 3. a valve body; 4. a quick-fixing component; 41. fixing the snap ring; 42. a first return spring; 43. fixing the clamping plate; 44. a second return spring; 45. a chute; 5. an inlet; 6. an outlet; 7. a seal assembly; 71. a sleeve; 72. a rubber connecting pipe; 73. a tension spring; 74. a rubber gasket.

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 the following technical solutions: the utility model provides a be convenient for change type instrument valve for petroleum pipeline, includes valve body 3, quick fixed subassembly 4 and seal assembly 7, and the upper end of valve body 3 is connected with adjusts pole 2, and the upper end of adjusting pole 2 is fixed with panel board 1, and the one end of valve body 3 is provided with import 5, and the other end of valve body 3 is provided with export 6, and import 5 and export 6's surface all is provided with quick fixed subassembly 4, and the side of valve body 3 lies in import 5 and export 6's port and all is provided with seal assembly 7.

The quick fixing assembly 4 comprises a fixing snap ring 41, a first return spring 42, a fixing catch plate 43, a second return spring 44 and a sliding groove 45, wherein, the side edge of the valve body 3 is provided with a sliding chute 45, the inside of the sliding chute 45 is connected with a fixed clamping plate 43 in a sliding way, in order to facilitate the firm fixation, the fixing clamping plate 43 is arranged in an inclined structure, the outer surface of the fixing clamping plate 43 is arranged in an inclined structure, the inner side of the fixing clamping plate 43 is arranged in a thread groove structure, one end of the fixing clamping plate 43 far away from the valve body 3 is provided with a first return spring 42, the other end of the first return spring 42 is connected with a fixing clamping ring 41, in order to adjust and fix the valve conveniently, the fixed snap ring 41 is connected with the fixed snap plate 43 in a sliding manner, the fixed snap ring 41 is arranged in an annular structure, a second return spring 44 is connected between one end of the fixed snap plate 43, which is positioned on the sliding groove 45, and the valve body 3, to facilitate long-term fixation, the first return spring 42 and the second return spring 44 are in an expanded state in a natural state.

The sealing assembly 7 comprises a sleeve 71, a rubber connecting pipe 72, a telescopic spring 73 and a rubber gasket 74, wherein the rubber connecting pipe 72 is arranged inside the sleeve 71, the rubber gasket 74 is arranged on the side edge of the sleeve 71, the telescopic spring 73 is arranged on the surface of the rubber connecting pipe 72 inside the sleeve 71, the rubber connecting pipe 72 is in sliding connection with the sleeve 71 in order to improve the sealing performance, and the telescopic spring 73 is in a contraction state in a natural state.

The utility model discloses a theory of operation and use flow: when the utility model is used, the instrument valve is assembled, the connecting pipeline is respectively moved to the two ends of the inlet 5 and the outlet 6, the fixing clamping plate 43 is shifted outwards to contract the second reset spring 44, the fixing clamping plate 43 moves outwards, then the moving pipeline is inserted into the rubber connecting pipe 72, the edge of the pipeline is contacted with the rubber gasket 74, the fixing clamping plate 43 is loosened, the fixing clamping plate 43 moves back along the chute 45 under the elastic action of the second reset spring 44, the fixing clamping plate 43 clamps the pipeline, the fixing clamping ring 41 moves under the elastic action of the first reset spring 42, the fixing clamping plate 43 is clamped by the fixing clamping ring 41, the fixing clamping plate 43 is firmly fixed on the surface of the connection, the fixing is fast fixed, the moving and the falling are avoided, meanwhile, the rubber connecting pipe 72 is nested inside the connecting pipe, the rubber gasket 74 is tightly attached to the pipe edge of the connecting pipe, the leakage caused by the incomplete sealing is avoided, the sealing effect is improved, the use is portable.

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. A type of instrument valve convenient to change for petroleum pipeline, including valve body (3), quick fixed subassembly (4) and seal assembly (7), its characterized in that: the upper end of valve body (3) is connected with adjusts pole (2), the upper end of adjusting pole (2) is fixed with panel board (1), the one end of valve body (3) is provided with import (5), the other end of valve body (3) is provided with export (6), the surface of import (5) and export (6) all is provided with quick fixed subassembly (4), the port that the side of valve body (3) is located import (5) and export (6) all is provided with seal assembly (7).

2. The easy-to-replace instrument valve for petroleum pipelines of claim 1, wherein: quick fixed subassembly (4) are including fixed snap ring (41), first reset spring (42), fixed cardboard (43), second reset spring (44) and spout (45), wherein, the side of valve body (3) is provided with spout (45), spout (45) inside sliding connection has fixed cardboard (43), the one end that valve body (3) were kept away from in fixed cardboard (43) is provided with first reset spring (42), the other end of first reset spring (42) is connected with fixed snap ring (41), be connected with second reset spring (44) between fixed cardboard (43) the one end that is located spout (45) and valve body (3).

3. The easy-to-replace instrument valve for petroleum pipelines of claim 1, wherein: the sealing assembly (7) comprises a sleeve (71), a rubber connecting pipe (72), a telescopic spring (73) and a rubber gasket (74), wherein the rubber connecting pipe (72) is arranged inside the sleeve (71), the rubber gasket (74) is arranged on the side edge of the sleeve (71), and the telescopic spring (73) is arranged on the surface, located inside the sleeve (71), of the rubber connecting pipe (72).

4. The easy-to-replace instrument valve for petroleum pipelines of claim 2, wherein: the fixed clamping ring (41) is connected with the fixed clamping plate (43) in a sliding mode, and the fixed clamping ring (41) is of an annular structure.

5. The easy-to-replace instrument valve for petroleum pipelines of claim 2, wherein: the fixed clamping plate (43) is arranged to be of an inclined structure, the outer surface of the fixed clamping plate (43) is arranged to be of an inclined structure, and the inner side of the fixed clamping plate (43) is arranged to be of a thread groove structure.

6. The easy-to-replace instrument valve for petroleum pipelines of claim 2, wherein: the first return spring (42) and the second return spring (44) are in an expanded state in a natural state.

7. The easy-to-replace instrument valve for petroleum pipelines according to claim 3, wherein: the rubber connecting pipe (72) is connected with the sleeve (71) in a sliding mode, and the extension spring (73) is in a contraction state in a natural state.