CN213808884U - Air elimination device and filter device - Google Patents

Abstract

The utility model belongs to the technical field of gas elimination, and discloses a gas elimination device and a filtering device, which comprises a cylinder body; the cylinder valve seat is connected with the upper port of the cylinder in a sealing way, and a through cavity is arranged on the cylinder valve seat along the axial direction of the cylinder; the valve core assembly is arranged in the cavity in a sliding manner; one end of the connecting rod assembly is rotatably connected with the valve core assembly; the floating ball assembly is positioned in the cylinder, and one end of the floating ball assembly is connected with the other end of the connecting rod assembly; through the connecting rod assembly, the floating ball assembly moves to drive the valve core assembly to slide, so that the valve core assembly and the cavity are in a plugging or opening state. The gas eliminating device is arranged on the filtering container, and can eliminate gas in the filtering container to the greatest extent by arranging the floating ball assembly in the barrel, so that the gas eliminating device is good in gas eliminating effect and simple in structure. Because the gas generally flows vertically upwards, the gas elimination device is arranged at the top of the filtering container, so that the gas at the top of the filtering container can be effectively discharged.

Description

Air elimination device and filter device

Technical Field

The utility model relates to a gaseous technical field that eliminates especially relates to a degassing unit and filter equipment.

Background

In the process of conveying and metering crude oil and petroleum products, liquid contains more or less gas, and if the gas enters a flow meter, the metering precision of the flow meter is influenced. Therefore, in a high-accuracy metering system, a degassing device is generally required to degas gas, so that the normal operation of the flowmeter and the metering accuracy are ensured. The position of the floating ball component of the existing air-removing device is unreasonable, and the air-removing effect is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gas elimination device and filter equipment, the gas elimination is effectual, simple structure.

To achieve the above object, in one aspect, the present invention provides a degassing device, comprising:

a barrel;

the cylinder valve seat is connected with the upper port of the cylinder in a sealing way, and a through cavity is arranged on the cylinder valve seat along the axial direction of the cylinder;

the valve core assembly is arranged in the cavity in a sliding mode;

one end of the connecting rod assembly is rotatably connected with the valve core assembly;

the floating ball assembly is positioned in the cylinder, and one end of the floating ball assembly is connected with the other end of the connecting rod assembly;

through the connecting rod assembly, the floating ball assembly moves to drive the valve core assembly to slide, so that the valve core assembly and the cavity are in a plugging or opening state.

Preferably, the cavity is a step cavity, one end of the cavity close to the upper port of the cylinder body is a lower cavity, one end of the cavity far away from the upper port of the cylinder body is an upper cavity, and the valve core assembly is arranged in the lower cavity in a sliding mode.

Preferably, a vent groove extends axially along the cylinder valve seat from the lower end surface of the cylinder valve seat, the vent groove is located at the edge of the lower cavity, and when the upper end surface of the valve core assembly leaves the end surface of the lower cavity, which is far away from the upper port of the cylinder, gas sequentially passes through the vent groove and the upper cavity.

Preferably, the gas valve comprises a cylinder body valve seat, and is characterized by further comprising a supporting seat, wherein the supporting seat is installed on the lower end face of the cylinder body valve seat, the supporting seat is buckled with the lower cavity, the supporting seat is provided with a through hole, the lower end of the valve core assembly is arranged in the through hole in a sliding mode, the connecting rod assembly is fixed on the lower end face of the supporting seat, the supporting seat is provided with a gas through hole, and the gas through hole is aligned with the ventilation groove.

Preferably, the valve core assembly comprises an upper valve core and a lower valve core, the upper valve core is slidably disposed in the lower cavity, the lower valve core is slidably disposed in the through hole, the lower valve core abuts against the upper valve core, and the lower valve core is rotatably connected with one end of the connecting rod assembly.

Preferably, the device further comprises an upper cavity valve seat, the upper cavity valve seat is a cylinder body with a baffle ring arranged on the outer wall, the upper cavity valve seat is arranged in the upper cavity, and the baffle ring is fixed on the end face, far away from the upper port of the cylinder body, of the lower cavity in a sealing mode.

Preferably, the plurality of the ventilation grooves are uniformly distributed along the circumferential direction of the lower cavity, and the plurality of the gas through holes are correspondingly formed.

Preferably, the connecting rod assembly comprises a valve core assembly connecting rod, a transmission connecting rod assembly and a floating ball assembly connecting rod, one end of the valve core assembly connecting rod is rotatably connected with the lower valve core, the other end of the valve core assembly connecting rod is rotatably connected with the transmission connecting rod assembly, one end of the floating ball assembly connecting rod is connected with the floating ball assembly, the other end of the floating ball assembly connecting rod is rotatably connected with the transmission connecting rod assembly, and the transmission connecting rod assembly is fixed on the lower end face of the supporting seat.

Preferably, the transmission connecting rod assembly comprises a fixed connecting rod assembly, a first connecting rod, a second connecting rod and a third connecting rod, the fixed connecting rod assembly comprises an arc-shaped connecting rod and a vertical connecting rod, one end of the arc-shaped connecting rod and one end of the vertical connecting rod are fixed on the lower end face of the supporting seat, two ends of the first connecting rod are respectively rotatably connected with the other end of the vertical connecting rod and one end of the second connecting rod, the other end of the valve core assembly connecting rod is rotatably connected with the first connecting rod, two ends of the third connecting rod are respectively rotatably connected with the other end of the arc-shaped connecting rod and the other end of the floating ball assembly connecting rod, and the other end of the second connecting rod is rotatably connected with the third connecting rod.

On the other hand, the utility model provides a filter equipment, including aforementioned degassing unit, still include:

the top of the filtering container is provided with an opening, and the lower port of the cylinder body of the degassing device is hermetically connected with the opening.

The utility model has the advantages that: the utility model provides a pair of air elimination device and filter equipment, during barrel disk seat cavity was arranged in the slip of case subassembly, the barrel was arranged in to the ball float subassembly, the case subassembly passes through link assembly with the ball float subassembly and is connected, along with gaseous increase, the ball float subassembly moves down and drives the case subassembly and slide, so that be in the state of opening between case subassembly and the cavity, gas outgoing, along with gaseous elimination, the ball float subassembly moves up and drives the case subassembly and slide, so that be in the state of shutoff between case subassembly and the cavity. The gas eliminating device is arranged on the filtering container, and can eliminate gas in the filtering container to the greatest extent by arranging the floating ball assembly in the barrel, so that the gas eliminating device is good in gas eliminating effect and simple in structure. Because the gas generally flows vertically upwards, the gas elimination device is arranged at the top of the filtering container, so that the gas at the top of the filtering container can be effectively discharged.

Drawings

Fig. 1 is a schematic view of the air eliminator of the present invention.

In the figure: 1. a barrel; 2. a cylinder valve seat; 21. a cavity; 211. a lower cavity; 212. an upper cavity; 22. a vent groove; 3. a valve core assembly; 31. an upper valve core; 311. an upper valve core valve sleeve; 32. a lower valve core; 321. a lower valve core and a valve sleeve; 4. a connecting rod assembly; 41. a valve core assembly connecting rod; 42. a drive link assembly; 43. a float assembly link; 5. a float ball assembly; 6. a supporting seat; 61. a through hole; 62. a gas through hole; 7. an upper cavity valve seat; 71. and (4) a baffle ring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The utility model provides a gas elimination device and filter equipment for gaseous elimination in the liquid, the gas elimination is effectual, simple structure, explains with specific embodiment below the utility model discloses foretell gas elimination device and filter equipment's structure.

As shown in fig. 1, the degassing device provided in this embodiment includes a cylinder 1, a cylinder valve seat 2, a valve core assembly 3, a connecting rod assembly 4, and a floating ball assembly 5, wherein the cylinder valve seat 2 is connected to an upper port of the cylinder 1 in a sealing manner, and the cylinder valve seat 2 is provided with a through cavity 21 along an axial direction of the cylinder 1 for discharging gas; the valve core component 3 is arranged in the cavity 21 in a sliding manner and used for adjusting the cavity 21 to be in a circulating or blocking state; one end of the connecting rod assembly 4 is rotatably connected with the valve core assembly 3, and the other end of the connecting rod assembly 4 is connected with the floating ball assembly 5 and used for transmitting the motion state of the floating ball assembly 5 to the valve core assembly 3; the floating ball component 5 is positioned in the cylinder body 1 and used for driving the connecting rod component 4 to drive the valve core component 3 to slide.

When the air eliminator works, the floating ball component 5 moves to drive the valve core component 3 to slide through the connecting rod component 4, so that the valve core component 3 and the cavity 21 are in a plugging or opening state. Specifically, as the gas in the filter container increases, the liquid level in the filter container continuously drops, and when the liquid level drops to a certain degree, the floating ball assembly 5 moves downward under the action of gravity, and the floating ball assembly 5 drives the valve core assembly 3 to slide, so that the valve core assembly 3 and the cavity 21 are in an open state, and the gas is discharged; along with the elimination of gas, the liquid level in the filtering container rises constantly, and the ball float subassembly 5 moves upwards under the effect of "buoyancy", and ball float subassembly 5 drives case subassembly 3 and slides to be in the state of shutoff between case subassembly 3 and the cavity 21, prevent the gas outgoing, above-mentioned two process circulation is in order to realize gaseous elimination. This device of taking away gas can eliminate the gas in the filter container to the utmost through setting up ball float subassembly 5 in barrel 1, and it is effectual to take away gas, and simple structure.

As shown in fig. 1, the gas elimination device of the embodiment further includes a support seat 6, the support seat 6 is installed on the lower end surface of the cylinder valve seat 2, the support seat 6 is buckled with the cavity 21, the support seat 6 is provided with a through hole 61, the lower end of the valve core assembly 3 is slidably disposed in the through hole 61, the connecting rod assembly 4 is fixed on the lower end surface of the support seat 6, the valve core assembly 3 can be plugged in the cavity 21 by arranging the support seat 6, and an installation position can be provided for the connecting rod assembly 4.

In this embodiment, as shown in fig. 1, the cavity 21 is a step cavity, the end of the cavity 21 close to the upper port of the cylinder 1 is a lower cavity 211, the end of the cavity 21 far from the upper port of the cylinder 1 is an upper cavity 212, the valve core assembly 3 is slidably disposed in the lower cavity 212, the support seat 6 is fastened to the lower cavity 211, and the state of plugging or opening between the valve core assembly 3 and the cavity 21 can be conveniently realized by disposing the step cavity and slidably disposing the valve core assembly 3 in the lower cavity 212. Further, the lower end face of the cylinder valve seat 2 extends along the axial direction of the cylinder valve seat 2 to form a ventilation groove 22, the ventilation groove 22 is located at the edge of the lower cavity 211, when the valve core assembly 3 and the cavity 21 are in an open state, the upper end face of the valve core assembly 3 is away from the end face, away from the upper port of the cylinder 1, of the lower cavity 211, and gas in the filter container can be discharged sequentially through the ventilation groove 22 and the upper cavity 212. Further, the support base 6 is provided with gas through holes 62, and the gas through holes 62 are aligned with the vent grooves 22 so that the gas in the filter container enters the vent grooves 22 through the gas through holes 62.

In this embodiment, as shown in fig. 1, the valve core assembly 3 includes an upper valve core 31 and a lower valve core 32, the upper valve core 31 is slidably disposed in the lower cavity 211, the lower valve core 32 is slidably disposed in the through hole 61, the lower valve core 32 abuts against the upper valve core 31, and the lower valve core 32 is rotatably connected to one end of the connecting rod assembly 4. According to the working process, when the floating ball assembly 5 moves downwards under the action of gravity, the floating ball assembly 5 drives the lower valve core 32 to slide downwards through the connecting rod assembly 4, the lower valve core 32 is not abutted to the upper valve core 31 any more, the upper valve core 31 slides downwards under the action of self gravity and gas pressure, the upper end face of the upper valve core 31 is separated from the end face, far away from the upper port of the cylinder 1, of the lower cavity 211, and then the valve core assembly 3 and the cavity 21 are in an open state, and gas is discharged. When the floating ball assembly 5 moves upwards under the action of "buoyancy", the floating ball assembly 5 drives the lower valve core 32 to slide upwards through the connecting rod assembly 4, the lower valve core 32 abuts against the upper valve core 31 so as to enable the upper valve core 31 to slide upwards, the upper end face of the upper valve core 31 blocks the end face, far away from the upper port of the cylinder 1, of the lower cavity 211, and therefore the valve core assembly 3 and the cavity 21 are in a blocking state.

As a preferable technical solution, as shown in fig. 1, the degassing device of this embodiment further includes an upper cavity valve seat 7, the upper cavity valve seat 7 is a cylinder body whose outer wall is provided with a baffle ring 71, the upper cavity valve seat 7 is arranged in the upper cavity 212, and the baffle ring 71 is fixed in the lower cavity 211 in a sealing manner, where the end face is far away from the upper port of the cylinder body 1. By arranging the upper cavity valve seat 7, the stroke distance of the upper valve core 31 moving up and down can be reduced.

In this embodiment, as shown in fig. 1, the connecting rod assembly 4 includes a valve core assembly connecting rod 41, a transmission connecting rod assembly 42 and a floating ball assembly connecting rod 43, one end of the valve core assembly connecting rod 41 is rotatably connected to the lower valve core 32, the other end of the valve core assembly connecting rod 41 is rotatably connected to the transmission connecting rod assembly 42, one end of the floating ball assembly connecting rod 43 is connected to the floating ball assembly 5, the other end of the floating ball assembly connecting rod 43 is rotatably connected to the transmission connecting rod assembly 42, and the transmission connecting rod assembly 42 is fixed to the lower end surface of the support base 6. Through the arrangement of the connecting rod assembly 4, when the floating ball assembly 5 moves a small distance, the valve core assembly 3 and the cavity 21 can be in a plugging or opening state in time, and the sensitivity is improved. Further, the transmission link assembly 42 includes a fixed link assembly, a first connecting rod, a second connecting rod and a third connecting rod, the fixed link assembly includes an arc-shaped connecting rod and a vertical connecting rod, one end of the arc-shaped connecting rod and one end of the vertical connecting rod are all fixed on the lower end face of the supporting seat 6, the two ends of the first connecting rod are respectively rotated to connect the other end of the vertical connecting rod and one end of the second connecting rod, the other end of the valve core assembly connecting rod 41 is rotatably connected with the first connecting rod, the two ends of the third connecting rod are respectively rotatably connected with the other end of the arc-shaped connecting rod and the other end of the floating ball assembly connecting rod 43, and the other end of the second connecting rod is rotatably connected with the third connecting rod. Through setting up many connecting rods, dead point can avoid appearing, guarantees the stability of degasification device.

In this embodiment, the ventilation groove 22 is equipped with a plurality ofly, and cavity 211 circumference equipartition under a plurality of ventilation grooves 22 follow, and what gas through hole 62 corresponded is equipped with a plurality ofly, is favorable to gaseous circulation, promotes the effect of eliminating the gas.

Preferably, the air eliminator of this embodiment further includes an upper valve core valve sleeve 311, the upper valve core valve sleeve 311 is fixedly disposed in the lower cavity 211, a gap is left between the top of the upper valve core valve sleeve 311 and the end surface of the lower cavity 211 far from the upper port of the cylinder 1, and the upper valve core 31 is slidably disposed in the upper valve core valve sleeve 311, which is beneficial to sliding of the upper valve core 31 and improves the sensitivity of the air eliminator.

Exemplarily, the air eliminator of this embodiment further includes a lower valve core valve sleeve 321, the lower valve core valve sleeve 321 is fixedly disposed in the through hole 61, and the lower valve core 32 is slidably disposed in the lower valve core valve sleeve 321, which is beneficial to the sliding of the lower valve core 32 and improves the sensitivity of the air eliminator.

The embodiment provides a filter equipment, including foretell degasification device, still include: the top of the filtering container is provided with an opening, and the lower port of the cylinder body 1 of the air eliminator is hermetically connected with the opening. Because the gas generally flows vertically upwards, the gas elimination device is arranged at the top of the filtering container, so that the gas at the top of the filtering container can be effectively discharged.

It can be seen from the above embodiment that the degassing device and the filtering device provided by the embodiment can eliminate the gas in the filtering container to the maximum extent by arranging the floating ball assembly 5 in the cylinder 1, and have good degassing effect and simple structure. The air eliminator is set on the top of the filtering container and can exhaust the air from the top of the filtering container effectively.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. An air elimination device, comprising:

a cylinder (1);

the cylinder valve seat (2) is connected with the upper end opening of the cylinder (1) in a sealing way, and a through cavity (21) is arranged on the cylinder valve seat (2) along the axial direction of the cylinder (1);

the valve core assembly (3) is arranged in the cavity (21) in a sliding mode;

one end of the connecting rod assembly (4) is rotatably connected with the valve core assembly (3);

the floating ball assembly (5) is positioned in the cylinder body (1), and one end of the floating ball assembly (5) is connected with the other end of the connecting rod assembly (4);

through the connecting rod assembly (4), the floating ball assembly (5) moves to drive the valve core assembly (3) to slide, so that the valve core assembly (3) and the cavity (21) are in a blocking or opening state.

2. The degassing device according to claim 1, wherein the cavity (21) is a stepped cavity, the end of the cavity (21) close to the upper port of the cylinder (1) is a lower cavity (211), the end of the cavity (21) far away from the upper port of the cylinder (1) is an upper cavity (212), and the valve core assembly (3) is slidably disposed in the lower cavity (211).

3. The degassing device according to claim 2, wherein a vent groove (22) extends axially along the cartridge valve seat (2) from the lower end surface of the cartridge valve seat (2), the vent groove (22) is located at the edge of the lower cavity (211), and when the upper end surface of the valve core assembly (3) leaves the end surface of the lower cavity (211) far away from the upper port of the cartridge (1), gas passes through the vent groove (22) and the upper cavity (212) in sequence.

4. The degassing device according to claim 3, further comprising a support seat (6), wherein the support seat (6) is mounted on the lower end surface of the cartridge valve seat (2), the support seat (6) is fastened to the lower cavity (211), the support seat (6) is provided with a through hole (61), the lower end of the valve core assembly (3) is slidably disposed in the through hole (61), the connecting rod assembly (4) is fixed on the lower end surface of the support seat (6), the support seat (6) is provided with a gas through hole (62), and the gas through hole (62) is aligned with the vent groove (22).

5. The degassing device according to claim 4, wherein the valve core assembly (3) comprises an upper valve core (31) and a lower valve core (32), the upper valve core (31) is slidably disposed in the lower cavity (211), the lower valve core (32) is slidably disposed in the through hole (61), the lower valve core (32) abuts against the upper valve core (31), and the lower valve core (32) is rotatably connected with one end of the connecting rod assembly (4).

6. The degassing device according to claim 5, further comprising an upper chamber valve seat (7), wherein the upper chamber valve seat (7) is a cylinder body provided with a baffle ring (71) on the outer wall, the upper chamber valve seat (7) is arranged in the upper chamber (212), and the baffle ring (71) is fixed in a sealing manner on the end face of the lower chamber (211) far away from the upper port of the cylinder body (1).

7. The degassing device according to claim 4, wherein a plurality of the vent grooves (22) are provided, a plurality of the vent grooves (22) are uniformly distributed along the circumference of the lower cavity (211), and a plurality of the gas through holes (62) are correspondingly provided.

8. The air eliminator according to claim 5, wherein the connecting rod assembly (4) comprises a valve core assembly connecting rod (41), a transmission connecting rod assembly (42) and a floating ball assembly connecting rod (43), one end of the valve core assembly connecting rod (41) is rotatably connected with the lower valve core (32), the other end of the valve core assembly connecting rod (41) is rotatably connected with the transmission connecting rod assembly (42), one end of the floating ball assembly connecting rod (43) is connected with the floating ball assembly (5), the other end of the floating ball assembly connecting rod (43) is rotatably connected with the transmission connecting rod assembly (42), and the transmission connecting rod assembly (42) is fixed on the lower end face of the support seat (6).

9. The air eliminator according to claim 8, wherein the transmission link assembly (42) comprises a fixed link assembly, a first link, a second link and a third link, the fixed link assembly comprises an arc-shaped link and a vertical link, one end of the arc-shaped link and one end of the vertical link are both fixed on the lower end surface of the support seat (6), two ends of the first link are respectively and rotatably connected with the other end of the vertical link and one end of the second link, the other end of the valve core assembly link (41) is rotatably connected with the first link, two ends of the third link are respectively and rotatably connected with the other end of the arc-shaped link and the other end of the floating ball assembly link (43), and the other end of the second link is rotatably connected with the third link.

10. A filter device comprising a degassing device according to any one of claims 1 to 9, further comprising:

the top of the filtering container is provided with an opening, and the lower port of the cylinder body of the degassing device is hermetically connected with the opening.

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