CN217440853U

CN217440853U - Valve for oil development with anti-return function

Info

Publication number: CN217440853U
Application number: CN202122783703.4U
Authority: CN
Inventors: 王士龙; 雷奇
Original assignee: Suzhou Hongjisheng Precision Machinery Co ltd
Current assignee: Suzhou Hongjisheng Precision Machinery Co ltd
Priority date: 2021-11-15
Filing date: 2021-11-15
Publication date: 2022-09-16
Anticipated expiration: 2031-11-15

Abstract

The utility model provides a valve for oil development with anti-return function. This valve for oil development with anti-return function, including valve body, transfusion cavity, inlet, liquid outlet and valve rod, the inside of valve body is provided with the back flow, back flow one end communicates with each other with transfusion cavity, and the other end communicates with each other with the liquid outlet, the inside that the back flow is close to liquid outlet one end is provided with the one-way board, the inside in transfusion cavity is provided with the baffle, the lower surface sliding connection of baffle has lower closure plate, and this valve for oil development with anti-return function through the cooperation of baffle and inlet and liquid outlet, can control the direction of delivery of the inside oil of transfusion cavity, and the liquid outlet uses with the cooperation of back flow, when the backward flow phenomenon appears in the oil, can prevent that the oil from flowing back to the inlet, utilizes the back flow to carry out the backward flow to the oil that flows back simultaneously to this can realize preventing the effect of oil backward flow.

Description

Valve for oil development with anti-return function

Technical Field

The utility model relates to an oil development valve technical field specifically is a valve for oil development with backflow prevention function.

Background

The oil exploitation valve is a valve device for controlling the flow transportation of oil in the oil exploitation process, and the transportation of the oil in a pipeline can be controlled by adjusting and controlling the valve.

When exploiting the oil, when the pipeline initiating terminal of oil is no longer carried the oil, the inside oil of pipeline is not receiving under the condition of external equipment effort this moment, and the phenomenon of backward flow can appear in the oil, and current oil exploitation valve can only control the transport state of the inside oil of oil pipeline when using, can't control the backward flow condition of oil, when the backward flow phenomenon appears in oil, can influence the efficiency that oil exploitation was carried.

SUMMERY OF THE UTILITY MODEL

Open for the oil that has anti-return function above realizing and adopt the valve purpose, the utility model discloses a following technical scheme realizes: the utility model provides a valve for oil development with anti-return function, includes valve body, transfusion cavity, inlet, liquid outlet and valve rod, the inside of valve body is provided with the back flow, back flow one end communicates with each other with transfusion cavity, and the other end communicates with each other with the liquid outlet, the inside that the back flow is close to liquid outlet one end is provided with the one-way plate, transfusion cavity's inside is provided with the baffle, the lower surface sliding connection of baffle has lower closure plate, be provided with the bolster down between closure plate and the baffle, the sliding surface of valve rod is connected with last closure plate, it is equipped with the bolster to go up between closure plate and the valve rod, the upper and lower surface of transfusion cavity inside all is provided with the stopper.

Furthermore, the one end that the back flow is close to the transfusion chamber is located the homonymy in transfusion chamber with the inlet, distributes about being, and the liquid outlet is located between the one end that the back flow is close to the transfusion chamber and the inlet on vertical direction.

Furthermore, the one-way plate is rotatably connected with the inner surface of the return pipe, and the lower surface of the one-way plate is provided with a return spring.

Further, be equipped with the adaptor between valve rod and the baffle for the rotation between valve rod and the baffle is connected, and the upper end of valve rod is equipped with the carousel, is threaded connection between valve rod and the valve body, is equipped with the sealing ring between valve rod and the valve body.

Furthermore, lower closure plate and the back flow be close to the one end looks adaptation in transfusion cavity, and the lower surface of lower closure plate corresponds with the stopper of transfusion cavity inside lower surface.

Furthermore, the upper blocking plate is matched with the liquid inlet, and the upper surface of the upper blocking plate corresponds to the limiting block on the upper surface inside the infusion cavity.

Further, the upper surface of valve body is provided with the suggestion ring, the outside surface of suggestion ring is provided with the identification disc, the inside surface of suggestion ring is provided with the response lug.

Furthermore, the surface of the valve rod is provided with a pointer, and the surface of the valve rod is connected with an elastic block in a sliding mode.

Further, the pointer corresponds to a location of the identification disc.

Furthermore, a return spring is arranged between the elastic block and the valve rod, and the elastic block corresponds to the position of the induction convex block.

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

1. this valve for oil development with anti-return function, cooperation through baffle and inlet and liquid outlet, can control the direction of delivery of transfusion intracavity portion oil, the liquid outlet is used with the cooperation of back flow, when the backward flow phenomenon appears in the oil, can prevent that the oil from flowing back in the inlet, utilize the back flow to carry out the backward flow to the oil of backward flow simultaneously, with this effect that can realize preventing the oil backward flow, the baffle is with the cooperation of lower closure plate and the cooperation of valve rod and last closure plate, can control the passageway of inlet and back flow, be favorable to improving the effect of oil anti-return.

2. This valve for oil development with anti-return function uses through the cooperation of carousel with the valve rod, can adjust the position of baffle, and the cooperation of pointer and dial can indirectly react the position of baffle, and the cooperation of bullet piece and response lug can indirectly react the infusion state in the infusion chamber, easily masters the position of baffle to in the position of regulation baffle.

Drawings

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

FIG. 2 is a schematic view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the structure of the utility model at B in FIG. 1;

FIG. 4 is a second schematic view of the structure of the present invention;

fig. 5 is a schematic structural diagram of the point C in fig. 4 according to the present invention.

In the figure: 1. a valve body; 11. a seal ring; 2. a transfusion cavity; 3. a liquid inlet; 4. a liquid outlet; 5. a return pipe; 51. a one-way plate; 6. a partition plate; 61. a lower blocking plate; 611. a buffer member; 7. a valve stem; 71. an upper blocking plate; 72. a turntable; 73. a pointer; 74. a spring block; 8. a limiting block; 9. a prompt ring; 91. a logo plate; 92. and sensing the bump.

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.

The embodiment of the valve with the backflow prevention function for oil exploitation is as follows:

referring to fig. 1-5, a valve for oil exploitation with backflow prevention function includes a valve body 1, a fluid cavity 2, a fluid inlet 3, a fluid outlet 4, and a valve rod 7, wherein a backflow pipe 5 is disposed inside the valve body 1, one end of the backflow pipe 5 is communicated with the fluid cavity 2, and the other end of the backflow pipe 5 is communicated with the fluid outlet 4, and is used for conveying a fluid flowing back into the fluid cavity 2 to the fluid outlet 4, and a check plate 51 is disposed inside the backflow pipe 5 at an end close to the fluid outlet 4, and is used for controlling the fluid in the backflow pipe 5 to flow in a single direction, so as to prevent the fluid in the fluid outlet 4 from directly entering the backflow pipe 5.

The inside in transfusion chamber 2 is provided with baffle 6, a direction of delivery for controlling liquid in transfusion chamber 2, the lower surface sliding connection of baffle 6 has lower closure plate 61, an inside passage for closing back flow 5, be provided with bolster 611 between lower closure plate 61 and the baffle 6, a buffering for lower closure plate 61, the surperficial sliding connection of valve rod 7 has last closure plate 71, a be used for closing inlet 3, be equipped with bolster 611 between last closure plate 71 and the valve rod 7, the upper and lower surface of transfusion chamber 2 inside all is provided with stopper 8, a removal for restriction lower closure plate 61 and last closure plate 71.

Through baffle 6 and inlet 3 and the cooperation of liquid outlet 4, can control the direction of delivery of the inside petroleum of infusion chamber 2, liquid outlet 4 uses with the cooperation of back flow 5, when the backward flow phenomenon appears in the petroleum, can prevent that the petroleum from flowing back to in the inlet 3, utilize back flow 5 to carry out the backward flow to the petroleum of backward flow simultaneously, with this effect that can realize preventing the petroleum backward flow, baffle 6 and lower closure plate 61's cooperation and valve rod 7 and last closure plate 71's cooperation, can control the passageway of inlet 3 and back flow 5, be favorable to improving the effect that the petroleum prevented the backward flow.

One end that back flow 5 is close to transfusion cavity 2 is located transfusion cavity 2's homonymy with inlet 3, is distribution from top to bottom, and liquid outlet 4 lies in back flow 5 and is close to between transfusion cavity 2's one end and the inlet 3 in vertical direction, through adjusting the position of baffle 6, can control the fitting space of liquid outlet 4 and inlet 3 and back flow 5.

The one-way plate 51 is rotatably connected with the inner surface of the return pipe 5, and the lower surface of the one-way plate is provided with a return spring for controlling the one-way flow of the liquid in the return pipe 5 and preventing the liquid in the liquid outlet 4 from directly entering the return pipe 5.

Be equipped with the adaptor between valve rod 7 and the baffle 6 for the rotation between valve rod 7 and the baffle 6 is connected, and the upper end of valve rod 7 is equipped with carousel 72, is used for driving valve rod 7 and rotates, is threaded connection between valve rod 7 and the valve body 1, is equipped with sealing ring 11 between valve rod 7 and the valve body 1, and valve rod 7 can be at the inside removal of valve body 1 through with valve body 1 threaded engagement.

Lower closure plate 61 and back flow pipe 5 are close to the one end looks adaptation in transfusion cavity 2 for close the inside passageway of back flow pipe 5, the lower surface of lower closure plate 61 corresponds with stopper 8 of the inside lower surface in transfusion cavity 2, is used for the closure plate 61 removal under the restriction.

The upper blocking plate 71 is matched with the liquid inlet 3 and used for closing the liquid inlet 3, and the upper surface of the upper blocking plate 71 corresponds to the limiting block 8 on the upper surface inside the infusion cavity 2 and used for limiting the movement of the upper blocking plate 71.

The upper surface of valve body 1 is provided with suggestion ring 9, and the outside surface of suggestion ring 9 is provided with identification disc 91, and the inside surface of suggestion ring 9 is provided with response lug 92.

The surface of the valve stem 7 is provided with a pointer 73 and the surface of the valve stem 7 is slidably connected with a spring block 74.

The pointer 73 corresponds to the position of the marking disc 91, and the pointer 73 is matched with the marking disc 91 and used for judging the position of the partition board 6 in the infusion cavity 2.

A return spring is arranged between the elastic block 74 and the valve rod 7, the position of the elastic block 74 corresponds to that of the sensing lug 92, and the elastic block 74 is matched with the sensing lug 92 to remind a user through contact sensing so as to indirectly reflect the transfusion state in the transfusion cavity 2.

When using, drive valve rod 7 through rotating carousel 72 and rotate, valve rod 7 is through with valve body 1 screw-thread engagement, it removes at the inside of transfusion cavity 2 to drive baffle 6, under baffle 6's effect, when liquid outlet 4 is located the same space in transfusion cavity 2 inside with inlet 3, carry the valve body 1 inside with liquid through inlet 3 this moment, liquid can enter into liquid outlet 4 through transfusion cavity 2, carry liquid with this, this moment under baffle 6's removal effect, baffle 6 can drive down closure plate 61 and remove, make lower closure plate 61 move to the position that is close to back flow 5, simultaneously under stopper 8's mating reaction, can restrict closure plate 61 in the position of back flow 5 down, make closure plate 61 and back flow 5 cooperation down, close back flow 5, as shown in fig. 1.

Under the effect of baffle 6, when liquid outlet 4 and back flow pipe 5 were close to the one end in transfusion cavity 2 and were located the same space of transfusion cavity 2 inside, this moment under the removal effect of valve rod 7, valve rod 7 can drive closure plate 71 and remove, made upper closure plate 71 to the position that is close to inlet 3 remove, simultaneously under the mating reaction of stopper 8, can be with upper closure plate 71 restriction in the position of inlet 3, made upper closure plate 71 and inlet 3 cooperation, closed inlet 3.

In this case, when the liquid outlet 4 end has a backflow phenomenon, the backflow liquid enters the backflow pipe 5 through the liquid outlet 4 and returns to the liquid outlet 4 again through the backflow pipe 5, and meanwhile, the design of the one-way plate 51 places the liquid in the liquid outlet 4 to directly enter the backflow pipe 5, so that the backflow liquid can be prevented from returning to the liquid inlet 3, as shown in fig. 4.

When moving and adjusting the valve rod 7, the valve rod 7 can drive the pointer 73 and the elastic block 74 to move, the pointer 73 can move on the surface of the identification disc 91, the position of the partition plate 6 in the infusion cavity 2 can be judged by observing the position of the pointer 73 on the identification disc 91, when the elastic block 74 contacts with the induction bump 92, the elastic block 74 can be blocked, and simultaneously, under the effect of the induction bump 92, the elastic block can contract inwards, so that the contact induction can be passed through, a prompt is sent to a user, and the infusion state in the infusion cavity 2 is indirectly reflected.

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. The utility model provides a valve for oil development with anti-return function, includes valve body (1), transfusion cavity (2), inlet (3), liquid outlet (4) and valve rod (7), its characterized in that: the inside of valve body (1) is provided with back flow (5), back flow (5) one end communicates with each other with transfusion cavity (2), and the other end communicates with each other with liquid outlet (4), the inside that back flow (5) are close to liquid outlet (4) one end is provided with one-way board (51), the inside in transfusion cavity (2) is provided with baffle (6), the lower surface sliding connection of baffle (6) has down closure plate (61), be provided with bolster (611) down between closure plate (61) and baffle (6), the sliding surface of valve rod (7) is connected with last closure plate (71), it is equipped with bolster (611) to go up between closure plate (71) and valve rod (7), the inside upper and lower surface in transfusion cavity (2) all is provided with stopper (8).

2. The valve for oil exploitation having a backflow prevention function according to claim 1, wherein: one end that back flow (5) are close to transfusion cavity (2) is located the homonymy in transfusion cavity (2) with inlet (3), distributes about being, and liquid outlet (4) are located back flow (5) on vertical direction and are close to between one end and inlet (3) in transfusion cavity (2).

3. The valve for oil exploitation having a backflow prevention function according to claim 1, wherein: the one-way plate (51) is rotatably connected with the inner surface of the return pipe (5), and the lower surface of the one-way plate is provided with a return spring.

4. The valve for oil exploitation having a backflow prevention function according to claim 1, wherein: be equipped with the adaptor between valve rod (7) and baffle (6) for the rotation between valve rod (7) and baffle (6) is connected, and the upper end of valve rod (7) is equipped with carousel (72), is threaded connection between valve rod (7) and valve body (1), is equipped with sealing ring (11) between valve rod (7) and valve body (1).

5. The valve for oil exploitation having a backflow prevention function according to claim 1, wherein: lower closure plate (61) and back flow (5) are close to the one end looks adaptation in transfusion cavity (2), and the lower surface of lower closure plate (61) corresponds with stopper (8) of the inside lower surface in transfusion cavity (2).

6. The valve for oil exploitation having a backflow prevention function according to claim 1, wherein: the upper blocking plate (71) is matched with the liquid inlet (3), and the upper surface of the upper blocking plate (71) corresponds to the limiting block (8) on the upper surface inside the infusion cavity (2).

7. The valve for oil exploitation having a backflow prevention function according to claim 4, wherein: the upper surface of valve body (1) is provided with suggestion ring (9), the outside surface of suggestion ring (9) is provided with identification disc (91), the inside surface of suggestion ring (9) is provided with response lug (92).

8. The valve for oil exploitation having a backflow prevention function according to claim 7, wherein: the surface of the valve rod (7) is provided with a pointer (73), and the surface of the valve rod (7) is connected with an elastic block (74) in a sliding mode.

9. The valve for oil exploitation having a backflow prevention function according to claim 8, wherein: the pointer (73) corresponds to a position of the identification disc (91).

10. The valve for oil exploitation having a backflow prevention function according to claim 8, wherein: a return spring is arranged between the elastic block (74) and the valve rod (7), and the position of the elastic block (74) corresponds to the position of the sensing bump (92).