CN219317740U

CN219317740U - Petroleum valve connecting structure convenient to disassemble and assemble

Info

Publication number: CN219317740U
Application number: CN202223142092.6U
Authority: CN
Inventors: 陈家浩; 钮军; 顾欢; 廖卫锋; 王安成; 袁琪; 于继光
Original assignee: Yancheng Hengtong Petroleum Machinery Manufacturing Co ltd
Current assignee: Yancheng Hengtong Petroleum Machinery Manufacturing Co ltd
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-07-07
Anticipated expiration: 2032-11-25

Abstract

The utility model discloses a petroleum valve connecting structure convenient to disassemble and assemble, which comprises a valve body and a petroleum pipe, wherein a sealing port is arranged at the middle position inside the valve body, an upper cover is arranged at the upper end of the valve body, a valve rod is arranged inside the upper cover, a plunger is arranged at the lower end of the valve rod, and a hand wheel is arranged at the upper end of the valve rod; further comprises: the first connecting rings are arranged on two sides of the valve body, plug holes are formed in the two sides of the valve body, movable rings are arranged on the inner sides of the first connecting rings, and the movable rings extend to the interiors of the plug holes; the second go-between, it sets up the one end of petroleum pipe, and second go-between and petroleum pipe welded fastening, the inside that the second go-between is close to first go-between one end is provided with the spacing ring, through this kind of mode, to the installation clearance that exists between petroleum valve and the petroleum pipeline, ensure the stability of being connected between pipeline and the valve under the prerequisite with the installation convenience.

Description

Petroleum valve connecting structure convenient to disassemble and assemble

Technical Field

The utility model relates to the technical field of petroleum valves, in particular to a petroleum valve connecting structure convenient to assemble and disassemble.

Background

Petroleum is used as an important energy source, and has the advantages of high energy density, convenient transportation and storage, small pollution degree to the atmosphere after combustion, and the like compared with coal. The fuel oil extracted from the petroleum is the main fuel of various kilns in transportation tools, power station boilers, metallurgical industry and building material industry, the petroleum after being generally extracted is transported through pipelines, and along with the continuous increase of the length, the petroleum pipelines are connected by valves.

For example, chinese issued patent CN214789275U, entitled "a petroleum valve connection structure convenient for disassembly and assembly", a petroleum valve body, wherein first connecting rings are installed at two ends of the petroleum valve body, and the edges of the first connecting rings are all provided with clamping grooves, first liquid guide tubes are all installed inside the first connecting rings, one ends of the first liquid guide tubes are all communicated to the inside of the petroleum valve body, and first connecting flanges are all installed at the ends, far away from the outer side walls of the first liquid guide tubes. The setting of two sets of flanges, through-hole, go-between and fixed screw, fix concatenation and installation through this connection structure, improved the convenience and the stability of installation, take place not hard up and weeping when avoiding using, combine the block of chucking and the block relation of chucking groove's block, further improved the stability of block department.

The above-mentioned prior art can realize the sealing fixation between petroleum valve and the pipeline, but when carrying out the valve installation between two petroleum pipelines, receive the restriction of installation length between the pipeline, if pipeline and valve hookup location exist the clearance, not only be inconvenient for the staff to install valve and pipeline, install leakproofness and stability in addition and also can not obtain guaranteeing, consequently do not satisfy current demand, put forward a petroleum valve connection structure convenient to dismouting to this we.

Disclosure of Invention

The utility model aims to provide a petroleum valve connecting structure convenient to assemble and disassemble, so as to solve the problem that the mounting clearance between a petroleum valve and a petroleum pipeline in the background art influences the mounting convenience and stability.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a petroleum valve connection structure convenient to dismouting, includes valve body and petroleum pipe, the inside intermediate position department of valve body is provided with the sealing port, the upper cover is installed to the upper end of valve body, the internally mounted of upper cover has the valve rod, the plunger is installed to the lower extreme of valve rod, the upper end of valve rod is provided with the hand wheel; further comprises:

the first connecting rings are arranged on two sides of the valve body, plug holes are formed in the two sides of the valve body, movable rings are arranged on the inner sides of the first connecting rings, and the movable rings extend to the interiors of the plug holes;

the second connecting ring is arranged at one end of the petroleum pipe, and is welded and fixed with the petroleum pipe, and a limiting ring is arranged inside the second connecting ring close to one end of the first connecting ring.

Preferably, the upper end inside the expansion ring is provided with the screw hole, the inside upper end of spliced eye is fixedly provided with the screw rod, and the screw rod extends to the inside of screw hole, and screw rod and screw hole threaded connection, the one end fixed mounting of screw rod has driven conical gear, driven conical gear's top is provided with initiative conical gear, and driven conical gear is connected with initiative conical gear meshing, and the connecting axle of initiative conical gear upper end extends to the outside of valve body.

Preferably, the connecting shaft at the upper end of the driving conical gear is connected with the valve body through a bearing, an adjusting bolt is fixedly arranged outside the connecting shaft at the upper end of the driving conical gear, and the adjusting bolt is of an octagonal structure.

Preferably, the inside front and back of expansion ring and lower extreme all are provided with the guiding hole, the inside position that corresponds with the mounting hole of spliced eye all is provided with the guide bar, and the guide bar extends to the inside of guiding hole, and guide bar and guiding hole sliding connection.

Preferably, the inside of first go-between is provided with the spout, the inside slidable mounting of spout has the rubber ring, and the outer end of rubber ring is the inclined plane structure, and rubber ring and spacing ring looks adaptation, be equipped with six springs that are annular equidistance and distribute between rubber ring and the spout.

Preferably, four mounting holes which are distributed in an annular equidistant manner are formed in the first connecting ring and the second connecting ring.

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

1. after the rubber ring enters the limiting ring in the second connecting ring, in order to improve the tightness and stability of the first connecting ring and the second connecting ring, a worker can rotate the driving bevel gear at the lower end of the driving bevel gear by rotating the adjusting bolt, and the driven gear is driven to rotate under the meshing action, so that the screw rod synchronously rotates, under the friction of the threaded rod and the threaded hole in the movable ring, the movable ring is horizontally displaced by matching with the guiding action of the guiding rod and the guiding hole, the first connecting ring is continuously close to the second connecting ring, the rubber ring is continuously extruded, the tightness is improved under the tight fit with the limiting ring, and then the connection with an oil pipe can be realized by fixing the first connecting ring and the second connecting ring by using bolts.

2. According to the utility model, the rubber rings are arranged on the outer sides of the first connecting rings, the valve is plugged between the two oil pipes aiming at the installation gap between the oil pipe and the valve body, and because one end of the rubber ring is in an inclined surface structure and is in contact with the second connecting ring on the oil pipe, the rubber rings are converted into horizontal movement, so that the rubber rings shrink towards the inside of the sliding groove, when the positions of the first connecting ring and the second connecting ring correspond, the limiting rings provide a movement space of the rubber rings, the rubber rings extend to the inside of the limiting rings under the reset action of the springs to form pre-connection, the structure can be used for positioning at the installation position of the valve and the oil pipe, the problem that a plurality of people are needed to be matched for installation due to the fact that the weight of the valve is large is overcome, and after plugging, workers are not needed to support, only the adjusting bolts are needed to rotate, and the installation convenience is further improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a perspective view of a first connecting ring and a second connecting ring according to the present utility model;

FIG. 3 is an enlarged view of a portion of the area A of FIG. 1 in accordance with the present utility model;

fig. 4 is a schematic diagram of a connection structure of a valve body and a petroleum pipe according to the present utility model.

In the figure: 1. a valve body; 2. a hand wheel; 3. a valve stem; 4. an upper cover; 5. a plunger; 6. sealing the mouth; 7. a first connection ring; 8. a mounting hole; 9. a plug hole; 10. a movable ring; 11. a guide rod; 13. a chute; 14. a rubber ring; 15. a spring; 16. a second connecting ring; 17. a limiting ring; 18. a petroleum pipe; 19. a threaded hole; 20. a guide hole; 21. a screw; 22. a driven bevel gear; 23. a driving bevel gear; 24. and (5) adjusting a bolt.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-4, an embodiment of the present utility model is provided: the utility model provides a petroleum valve connection structure convenient to dismouting, includes valve body 1 and petroleum pipe 18, and valve body 1 inside intermediate position department is provided with sealing port 6, and upper cover 4 is installed to the upper end of valve body 1, and valve rod 3 is installed to the internally mounted of upper cover 4, and plunger 5 is installed to the lower extreme of valve rod 3, and the upper end of valve rod 3 is provided with hand wheel 2; further comprises:

the first connecting rings 7 are arranged on two sides of the valve body 1, plug holes 9 are formed in the two sides of the valve body 1, movable rings 10 are arranged on the inner sides of the first connecting rings 7, and the movable rings 10 extend into the plug holes 9;

the second connecting ring 16 is arranged at one end of the petroleum pipe 18, the second connecting ring 16 is welded and fixed with the petroleum pipe 18, and a limiting ring 17 is arranged inside the second connecting ring 16 close to one end of the first connecting ring 7.

The valve rod 3 is used for twisting force to downwards press the sealing surface, and the plunger 5 is tightly attached to the sealing port 6 of the valve body 1 by means of valve rod pressure, so that the inflow of petroleum is prevented or the flow rate of petroleum is regulated.

Referring to fig. 2 and 3, a threaded hole 19 is provided at the upper end of the inside of the movable ring 10, a screw 21 is fixedly provided at the upper end of the inside of the insertion hole 9, the screw 21 extends to the inside of the threaded hole 19, the screw 21 is in threaded connection with the threaded hole 19, a driven bevel gear 22 is fixedly mounted at one end of the screw 21, a driving bevel gear 23 is provided above the driven bevel gear 22, the driven bevel gear 22 is in meshed connection with the driving bevel gear 23, and a connecting shaft at the upper end of the driving bevel gear 23 extends to the outside of the valve body 1, so that a gap between an oil pipe and a valve is overcome, and stability and tightness of connection are ensured.

Referring to fig. 3, a connecting shaft at the upper end of the driving bevel gear 23 is connected with the valve body 1 through a bearing, an adjusting bolt 24 is fixedly arranged at the outer part of the connecting shaft at the upper end of the driving bevel gear 23, the adjusting bolt 24 is in an octagonal structure, a worker rotates the adjusting bolt 24 by using a wrench, and the telescopic distance of the first connecting ring 7 is adjusted by using the forward and reverse rotation of the adjusting bolt 24.

Referring to fig. 1 and 2, guide holes 20 are formed in front and rear and lower ends of the movable ring 10, guide rods 11 are arranged in positions corresponding to the mounting holes 8 in the plug holes 9, the guide rods 11 extend to the inside of the guide holes 20, and the guide rods 11 are slidably connected with the guide holes 20, so that stability in a moving process is improved.

Referring to fig. 1 and 4, a chute 13 is provided in the first connecting ring 7, a rubber ring 14 is slidably mounted in the chute 13, the outer end of the rubber ring 14 is in an inclined surface structure, the rubber ring 14 is matched with a limiting ring 17, six springs 15 which are distributed in annular equidistant manner are arranged between the rubber ring 14 and the chute 13, and the valve and oil pipe mounting positions can be positioned, so that the problem that a plurality of people are required to be matched when the valve is heavy is solved.

Referring to fig. 3, four mounting holes 8 distributed in annular equidistant manner are respectively provided on the first connecting ring 7 and the second connecting ring 16, and the first connecting ring 7 and the second connecting ring 16 are fixed by bolts through the mounting holes 8.

Working principle: when the valve is used, the valve is plugged between two oil pipes, one end of the rubber ring 14 is of an inclined surface structure, vertical movement is converted into horizontal movement when the valve contacts with the second connecting ring 16 on the oil pipe, the rubber ring 14 is contracted towards the inside of the sliding groove 13, when the positions of the first connecting ring 7 and the second connecting ring 16 correspond, the limiting ring 17 provides a movement space of the rubber ring 14, the rubber ring 14 is enabled to extend to the inside of the limiting ring 17 under the reset action of the spring 15 to form pre-connection, then the adjusting bolt 24 is rotated to drive the driving bevel gear 23 at the lower end of the rubber ring to rotate, the driven bevel gear 22 is driven to rotate under the meshing action, then the screw 21 is synchronously rotated along with the rotation, the guiding action of the guiding rod 11 and the guiding hole 20 on the movable ring 10 is matched under the friction of the screw 21 and the internal threaded hole 19 of the movable ring 10, the first connecting ring 7 is enabled to be horizontally displaced, the rubber ring 14 is enabled to be continuously close to the second connecting ring 16, the sealing performance is improved under the tight connection with the limiting ring 17, and then the fixed connection of the oil pipe can be realized by using the adjusting bolt.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a petroleum valve connection structure convenient to dismouting, includes valve body (1) and petroleum pipe (18), the inside intermediate position department of valve body (1) is provided with sealing port (6), upper cover (4) are installed to the upper end of valve body (1), internally mounted of upper cover (4) has valve rod (3), plunger (5) are installed to the lower extreme of valve rod (3), the upper end of valve rod (3) is provided with hand wheel (2);

the method is characterized in that: further comprises:

the first connecting rings (7) are arranged on two sides of the valve body (1), plug holes (9) are formed in the two sides of the valve body (1), movable rings (10) are arranged on the inner sides of the first connecting rings (7), and the movable rings (10) extend to the interiors of the plug holes (9);

the second connecting ring (16) is arranged at one end of the petroleum pipe (18), the second connecting ring (16) is welded and fixed with the petroleum pipe (18), and a limiting ring (17) is arranged inside the second connecting ring (16) close to one end of the first connecting ring (7).

2. The petroleum valve connecting structure convenient to disassemble and assemble as set forth in claim 1, wherein: the inside upper end of expansion ring (10) is provided with screw hole (19), the inside upper end of spliced eye (9) is fixed to be provided with screw rod (21), and screw rod (21) extend to the inside of screw hole (19), and screw rod (21) and screw hole (19) threaded connection, the one end fixed mounting of screw rod (21) has driven conical gear (22), the top of driven conical gear (22) is provided with initiative conical gear (23), and driven conical gear (22) are connected with initiative conical gear (23) meshing, and the connecting axle of initiative conical gear (23) upper end extends to the outside of valve body (1).

3. The petroleum valve connecting structure convenient to disassemble and assemble as set forth in claim 2, wherein: the connecting shaft at the upper end of the driving conical gear (23) is connected with the valve body (1) through a bearing, an adjusting bolt (24) is fixedly arranged outside the connecting shaft at the upper end of the driving conical gear (23), and the adjusting bolt (24) is of an octagonal structure.

4. The petroleum valve connecting structure convenient to disassemble and assemble as set forth in claim 1, wherein: guide holes (20) are formed in the front and the rear of the inside of the movable ring (10) and at the lower end of the movable ring, guide rods (11) are arranged in the corresponding positions of the inside of the plug holes (9) and the mounting holes (8), the guide rods (11) extend to the inside of the guide holes (20), and the guide rods (11) are in sliding connection with the guide holes (20).

5. The petroleum valve connecting structure convenient to disassemble and assemble as set forth in claim 1, wherein: the novel connecting device is characterized in that a chute (13) is arranged in the first connecting ring (7), a rubber ring (14) is slidably arranged in the chute (13), the outer end of the rubber ring (14) is of an inclined surface structure, the rubber ring (14) is matched with a limiting ring (17), and six springs (15) which are distributed in an annular equidistant mode are arranged between the rubber ring (14) and the chute (13).

6. The petroleum valve connecting structure convenient to disassemble and assemble as set forth in claim 1, wherein: four mounting holes (8) distributed in annular equal distance are formed in the first connecting ring (7) and the second connecting ring (16).