CN219242717U

CN219242717U - Backflow preventing device for petroleum machinery

Info

Publication number: CN219242717U
Application number: CN202320729653.8U
Authority: CN
Inventors: 王永强; 杨国栋; 李鹤; 夏兴强
Original assignee: Chongqing Tenggang Machinery Co ltd
Current assignee: Chongqing Tenggang Machinery Co ltd
Priority date: 2023-04-06
Filing date: 2023-04-06
Publication date: 2023-06-23
Anticipated expiration: 2033-04-06

Abstract

The utility model relates to the technical field of petroleum backflow prevention devices, and discloses a backflow prevention device for petroleum machinery, which comprises an oil inlet pipe, wherein the right end of the oil inlet pipe is fixedly connected with a connecting part, the right side of the connecting part is fixedly connected with an oil outlet joint, the top end of the connecting part is fixedly provided with a fixed plate, the top of the fixed plate is fixedly provided with a sealing gasket, the top of the sealing gasket is inserted with an adjusting part, the bottom end of the adjusting part penetrates through the fixed plate and the connecting part, the bottom end of the adjusting part is fixedly provided with a rotating joint, the bottom end of the rotating joint is rotationally connected with a flow control hemisphere, and the left end of the oil inlet pipe and the right end of the oil outlet joint are both provided with reinforcing components, so that the backflow prevention device for petroleum machinery has the advantages of adjustable oil inlet flow, longer service life, higher safety and higher connection firmness and tightness.

Description

Backflow preventing device for petroleum machinery

Technical Field

The utility model relates to the technical field of petroleum backflow prevention devices, in particular to a backflow prevention device for petroleum machinery.

Background

Petroleum is a viscous and dark brown liquid, and the petroleum is stored in the upper part of the crust, so that in the petroleum exploitation process, the backflow prevention device is required to prevent the backflow of the petroleum from the oil from the main unit to the pumping wellhead, and further the oil extraction efficiency is ensured.

However, traditional oil machinery is with preventing backflow device often can not adjust the flow of income oil, when oil income oil flow is too big, can cause too big impact to the closing plate of preventing backflow device, can make on the one hand prevent that backflow device life-span reduces, on the other hand can increase the maintenance use cost of preventing backflow device, traditional oil machinery is with preventing backflow device moreover, its both ends of income oil and oil-out, owing to prevent backflow device and pipeline's sectional type assembly, there is the risk of revealing, is unfavorable for the long-term oil's of oil field collection.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a backflow preventing device for petroleum machinery, which has the advantages of adjustable oil inflow, longer service life, higher safety, stronger connection and higher sealing performance, and solves the problems in the prior art.

The utility model provides the following technical scheme: the utility model provides a backflow preventing device for petroleum machinery, includes into oil pipe, the right-hand member fixedly connected with connecting portion of going into oil pipe, the right side fixedly connected with of connecting portion goes out the oil festival, the top fixedly mounted of connecting portion has the fixed plate, the top fixed mounting of fixed plate has sealed the pad, sealed top grafting that fills up has an adjusting part, and the bottom of adjusting part runs through fixed plate and connecting portion, the bottom fixed mounting of adjusting part has the knuckle, the bottom of knuckle rotates and is connected with flow control hemisphere, the left end of going into oil pipe and the right-hand member of going out the oil festival all are provided with the reinforcement subassembly.

As a preferable technical scheme of the utility model, the connecting part comprises a connecting pipe, the inner wall of the connecting pipe is fixedly provided with a fixed pipe, the fixed pipe is positioned right below the flow control hemisphere, and the diameter of the flow control hemisphere is consistent with the diameter of the inlet and outlet of the fixed pipe.

As a preferable technical scheme of the utility model, the adjusting part comprises a handle, a threaded shaft is fixedly arranged at the bottom of the handle, the threaded shaft is in threaded connection with the fixing plate, and the threaded shaft is in sliding connection with the sealing gasket and the connecting pipe.

As a preferable technical scheme of the utility model, the sealing gasket is composed of rubber, and the connecting part is communicated with the oil inlet pipe and the oil outlet joint.

As a preferable technical scheme of the utility model, the oil outlet joint comprises an oil outlet pipe, a fixing frame is fixedly arranged on the inner wall of the oil outlet pipe, a sliding shaft penetrates through the middle of the fixing frame and is in sliding connection with the fixing frame, a circular plate is fixedly arranged at the left end of the sliding shaft, a sealing plate is fixedly arranged at one end, far away from the circular plate, of the sliding shaft, a spring is sleeved on the sliding shaft, and two ends of the spring are fixedly connected with the circular plate and the fixing frame respectively.

As a preferable technical scheme of the utility model, the single reinforcing component comprises two oppositely arranged reinforcing frames, the inner wall of each reinforcing frame is fixedly provided with a sealing sheet, the sealing sheet is made of rubber, the two sides of each reinforcing frame are respectively and slidably inserted with a connecting shaft, the two ends of each connecting shaft are respectively and fixedly provided with a fixing joint, the two sides of each fixing joint are respectively provided with a bolt, and the two reinforcing frames are fixedly connected through bolts.

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

1. this anti-backflow device for petroleum machinery drives the screw spindle through setting up fixed plate, sealed pad and adjusting part, reciprocates through rotating the handle, and then makes the distance of flow control hemisphere and fixed pipe adjust, realizes going into the oil pipe in the oil flow control in the connecting portion, has guaranteed the protection to the closing plate, has improved anti-backflow device's life simultaneously, has guaranteed anti-backflow device's long-term use.

2. This oil machinery is with preventing backflow device, through setting up the reinforcement subassembly, utilize two reinforcement framves to connect the pipeline at the income oil play oil both ends of preventing backflow device and consolidate, utilize the leakproofness of sealing washer, and then avoided revealing of petroleum, when having strengthened the installation of preventing backflow device firm, guaranteed the leakproofness when the backflow device of preventing of petroleum uses.

Drawings

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

FIG. 2 is a cross-sectional view of the overall structure of the present utility model;

FIG. 3 is an enlarged view of the structure A of FIG. 2 in accordance with the present utility model;

FIG. 4 is a schematic view of the reinforcement assembly of the present utility model.

In the figure: 1. an oil inlet pipe; 2. a connection part; 201. a connecting pipe; 202. a fixed tube; 3. an oil outlet section; 301. an oil outlet pipe; 302. a fixing frame; 303. a sliding shaft; 304. a circular plate; 305. a sealing plate; 306. a spring; 4. a fixing plate; 5. a sealing gasket; 6. an adjusting section; 601. a handle; 602. a threaded shaft; 7. a rotating joint; 8. a flow control hemisphere; 9. a reinforcement assembly; 901. a reinforcing frame; 902. a sealing sheet; 903. a connecting shaft; 904. a fixed joint; 905. and (5) 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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, a backflow preventing device for petroleum machinery comprises an oil inlet pipe 1, wherein the right end of the oil inlet pipe 1 is fixedly connected with a connecting part 2, the right side of the connecting part 2 is fixedly connected with an oil outlet joint 3, the top end of the connecting part 2 is fixedly provided with a fixing plate 4, the top of the fixing plate 4 is fixedly provided with a sealing gasket 5, the top of the sealing gasket 5 is inserted with an adjusting part 6, the bottom end of the adjusting part 6 penetrates through the fixing plate 4 and the connecting part 2, the bottom end of the adjusting part 6 is fixedly provided with a rotating joint 7, the bottom end of the rotating joint 7 is rotationally connected with a flow control hemisphere 8, and the left end of the oil inlet pipe 1 and the right end of the oil outlet joint 3 are both provided with reinforcing components 9.

Wherein, connecting portion 2 includes connecting pipe 201, and connecting pipe 201's inner wall fixed mounting has fixed pipe 202, and fixed pipe 202 is located under the flow control hemisphere 8, and the diameter of flow control hemisphere 8 is unanimous with the access & exit diameter of fixed pipe 202, through setting up fixed pipe 202 and flow control hemisphere 8 for the oil passes through fixed pipe 202, utilizes the position of flow control hemisphere 8 and then makes to control the oil flow, utilizes the diameter setting of flow control hemisphere 8, has enriched the flow control interval.

Wherein, adjusting part 6 includes handle 601, the bottom fixed mounting of handle 601 has screw shaft 602, screw shaft 602 and fixed plate 4 threaded connection, and screw shaft 602 and sealed 5 and connecting pipe 201 sliding connection of filling up, utilize screw shaft 602 and fixed plate 4 threaded connection for when through rotating handle 601, drive screw shaft 602 and rotate, and then make the knuckle 7 position control to screw shaft 602 bottom, utilize knuckle 7 and then drive flow control hemisphere 8 and adjust, guaranteed the regulation convenience of anti-backflow device flow.

The sealing gasket 5 is formed by rubber, the connecting part 2 is communicated with the oil inlet pipe 1 and the oil outlet joint 3, and the sealing gasket 5 is used for sealing, so that the sealing protection of petroleum in the connecting part 2 is ensured, and the safety sealing performance of the backflow preventing device during use is improved.

The oil outlet section 3 comprises an oil outlet pipe 301, a fixing frame 302 is fixedly arranged on the inner wall of the oil outlet pipe 301, a sliding shaft 303 penetrates through the middle of the fixing frame 302, the sliding shaft 303 is in sliding connection with the fixing frame 302, a circular plate 304 is fixedly arranged at the left end of the sliding shaft 303, a sealing plate 305 is fixedly arranged at one end, far away from the circular plate 304, of the sliding shaft 303, a spring 306 is sleeved on the sliding shaft 303, the two ends of the spring 306 are respectively fixedly connected with the circular plate 304 and the fixing frame 302, the circular plate 304 is pushed to move leftwards by the spring 306, the circular plate 304 drives the sliding shaft 303 to move leftwards, the sliding shaft 303 drives the sealing plate 305 to be automatically closed, backflow of petroleum is avoided, and the pipeline transportation efficiency of petroleum is guaranteed.

Wherein, single reinforcement subassembly 9 includes two reinforcement shelves 901 that set up relatively, the inner wall fixed mounting of single reinforcement shelf 901 has sealing plate 902, sealing plate 902 is rubber constitution, the both sides of single reinforcement shelf 901 all slip grafting has connecting axle 903, the both ends jun fixed mounting of single connecting axle 903 has fixed knot 904, the both sides of two fixed knots 904 all are provided with bolt 905, and two reinforcement shelves 901 pass through bolt 905 fixed connection, utilize connecting axle 903 to run through two reinforcement shelves 901, the relative position's of two reinforcement shelves 901 setting has been guaranteed, make the separation to two reinforcement shelves 901 through removing bolt 905, and then make the dismantlement of reinforcement subassembly 9 more convenient.

When the anti-backflow device for the petroleum machinery is used, the handle 601 is rotated, the handle 601 is used for driving the threaded shaft 602 to rotate, the threaded shaft 602 is connected with the fixing plate 4 in a threaded mode, the threaded shaft 602 is connected with the connecting pipe 201 in a sliding mode, the position of the adjusting part 6 is adjusted, the adjustment of the position of the flow control hemisphere 8 is achieved, the adjustment of the oil inlet flow of petroleum is achieved through the adjustment of the outlet distance between the flow control hemisphere 8 and the top of the fixing pipe 202, the two reinforcing frames 901 are fixedly connected through bolts 905, the connection of petroleum pipelines at two ends of the anti-backflow device is reinforced through the two reinforcing frames 901, and sealing treatment is conducted on the connection positions of petroleum pipelines at two ends of the anti-backflow device through the sealing piece 902.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a petroleum machinery is with preventing backflow device, includes oil pipe (1), its characterized in that: go into right-hand member fixedly connected with connecting portion (2) of oil pipe (1), the right side fixedly connected with of connecting portion (2) goes out oily festival (3), the top fixed mounting of connecting portion (2) has fixed plate (4), the top fixed mounting of fixed plate (4) has sealed pad (5), peg graft at the top of sealed pad (5) has regulating part (6), and the bottom of regulating part (6) runs through fixed plate (4) and connecting portion (2), the bottom fixed mounting of regulating part (6) has rotary joint (7), the bottom of rotary joint (7) rotates and is connected with flow control hemisphere (8), the left end of going into oil pipe (1) and the right-hand member of going out oily festival (3) all are provided with reinforcing assembly (9).

2. The backflow prevention device for petroleum machinery according to claim 1, wherein: the connecting part (2) comprises a connecting pipe (201), a fixed pipe (202) is fixedly arranged on the inner wall of the connecting pipe (201), the fixed pipe (202) is positioned right below the flow control hemisphere (8), and the diameter of the flow control hemisphere (8) is consistent with the diameter of an inlet and outlet of the fixed pipe (202).

3. The backflow prevention device for petroleum machinery according to claim 2, wherein: the adjusting part (6) comprises a handle (601), a threaded shaft (602) is fixedly arranged at the bottom of the handle (601), the threaded shaft (602) is in threaded connection with the fixed plate (4), and the threaded shaft (602) is in sliding connection with the sealing gasket (5) and the connecting pipe (201).

4. The backflow prevention device for petroleum machinery according to claim 1, wherein: the sealing gasket (5) is made of rubber, and the connecting part (2) is communicated with the oil inlet pipe (1) and the oil outlet joint (3).

5. The backflow prevention device for petroleum machinery according to claim 1, wherein: the oil outlet joint (3) comprises an oil outlet pipe (301), a fixing frame (302) is fixedly arranged on the inner wall of the oil outlet pipe (301), a sliding shaft (303) penetrates through the middle of the fixing frame (302), the sliding shaft (303) is in sliding connection with the fixing frame (302), a circular plate (304) is fixedly arranged at the left end of the sliding shaft (303), a sealing plate (305) is fixedly arranged at one end, far away from the circular plate (304), of the sliding shaft (303), a spring (306) is sleeved on the sliding shaft (303), and two ends of the spring (306) are fixedly connected with the circular plate (304) and the fixing frame (302) respectively.

6. The backflow prevention device for petroleum machinery according to claim 1, wherein: the single reinforcing component (9) comprises two oppositely arranged reinforcing frames (901), sealing sheets (902) are fixedly arranged on the inner walls of the reinforcing frames (901), the sealing sheets (902) are made of rubber, connecting shafts (903) are slidably inserted into the two sides of the reinforcing frames (901), fixing sections (904) are fixedly arranged at the two ends of the connecting shafts (903), bolts (905) are arranged on the two sides of the fixing sections (904), and the two reinforcing frames (901) are fixedly connected through the bolts (905).