CN220015555U

CN220015555U - Automatic exhaust valve of water pump

Info

Publication number: CN220015555U
Application number: CN202321135755.3U
Authority: CN
Inventors: 旷远丹
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-05-12
Filing date: 2023-05-12
Publication date: 2023-11-14
Anticipated expiration: 2033-05-12

Abstract

The utility model discloses an automatic exhaust valve of a water pump, and belongs to the technical field of exhaust equipment. The automatic exhaust valve of the water pump comprises a shell, a floating ball and an exhaust cap, wherein an air accommodating cavity is formed in the upper portion of the inner side of the shell, the top end of the air accommodating cavity is provided with the exhaust cap, an air hole is formed in the middle of the exhaust cap, a guide shell is arranged in the air accommodating cavity of the shell, and the floating ball is arranged in the guide shell in a sliding mode. The utility model has reasonable structure, and the plug is arranged and synchronously driven to move up and down by the upward and downward movement of the floating ball, the plug can be inserted into the air hole for sealing when the water level rises after the air is exhausted, the sealing is carried out by extruding and inserting through the frustum, friction is avoided during the downward pulling, the abrasion can be ignored to ensure the tight joint, the floating ball is connected with the plug through two groups of stressing rods, the buoyancy of the floating ball can be greatly increased by a plurality of times through the length difference between the power arm and the resistance wall, and the floating ball can be converted into the upward movement potential energy of the plug, so that the sealing can resist the effective waterproof leakage of larger water pressure.

Description

Automatic exhaust valve of water pump

Technical Field

The utility model relates to the technical field of exhaust equipment, in particular to an automatic exhaust valve of a water pump.

Background

The exhaust valve is applied to the exhaust of pipelines such as an independent heating system, a central heating system, a heating boiler, a central air conditioner, floor heating, a solar heating system and the like, and because the solubility of gas in water is reduced along with the increase of temperature, the gas is gradually separated from the water in the cyclic heating process of the water, and the cavitation degree of the edge of a blade when the water pump is conveyed is increased.

In order to prevent gas precipitated in a water delivery pipeline from aggravating cavitation effect at the position of a water pump blade, gas is required to be gathered and discharged, the existing air discharge valve using a buoyancy ball is used for discharging, when more buoyancy balls are gathered and fall, a deflector rod is twisted downwards to conduct an air hole, so that the gas is discharged, after the gas is discharged, the water level in the air discharge valve rises, the buoyancy ball can float upwards to push the deflector rod upwards to stagger the air hole, the abutting contact of the end wall of the deflector rod and the side wall of the air hole is utilized for sealing, but as the joint of the abutting contact position is expanded by using abrasion, when the water pressure is larger, water overflows from the worn gap, so that the safety of liquid leakage is poor, and in view of the fact, the water pump automatic air discharge valve is proposed.

Disclosure of Invention

1. Technical problem to be solved

The utility model aims to provide an automatic exhaust valve of a water pump, so as to solve the problem that the existing pressing partition type exhaust valve is easy to wear and leak in the background art.

2. Technical proposal

The automatic exhaust valve of the water pump comprises a shell, a floating ball and an exhaust cap, wherein an air accommodating cavity is arranged at the upper part of the inner side of the shell, the top end of the air accommodating cavity is provided with the exhaust cap, an air hole is formed in the middle of the exhaust cap, a guide shell is arranged in the air accommodating cavity of the shell, the floating ball is arranged in the guide shell in a sliding manner, the top end of the floating ball is connected with a plug through an stressing assembly, and the stressing assembly comprises a first stressing rod and a second stressing rod, wherein the length of a power arm of the first stressing rod is far greater than that of a resistance arm;

the shell is connected in series on the water pipeline, the water inlet end of the water pump is preferably arranged, gas separated out from liquid which does not enter the water pump is collected into the gas containing cavity, when the gas is gathered too much, the water level in the gas containing cavity is lowered, the floating ball is driven to descend, the air hole is released to realize the exhaust, after the exhaust, the liquid level in the gas containing cavity is raised, the floating ball is enabled to ascend, the buoyancy is amplified by the lever through the first stressing rod and the second stressing rod of the stressing assembly, the floating ball is enabled to bear larger upward force, the air hole is stably sealed, and when the water pressure is high, the stable sealing of the air hole when the exhaust is not needed can be ensured.

Preferably, the top end of the plug is in a ball head shape, the lower edge of the plug is provided with a frustum portion, and the lower end of the air hole is provided with a frustum groove matched with the frustum portion;

when the plug is at the bottom dead center position, the plug can be separated from the vertical round hole of the air hole, but can be lapped at the inner wall of the frustum groove, at the moment, the air can be exhausted, the plug is prevented from swinging to separate from the frustum groove, the air hole cannot be sealed again by floating up, when the frustum portion is inserted into the frustum groove, the sealing contact area is large, and when the plug descends, the upper portion of the frustum portion is separated from the inner wall of the frustum groove, the friction sliding distance between the upper portion and the frustum portion is negligible, the long-time working joint is guaranteed to be little in abrasion, and the abutting position is tightly combined.

Preferably, the lower end of the first stress application rod is connected with the top end of the floating ball through a hinging rod, the front end of the first stress application rod is rotatably provided with a first adapter, a rectangular sliding interface is arranged at the position, close to the first adapter, of the first stress application rod, and the front end of the second stress application rod is connected with the sliding interface through a sliding pin;

the floating ball is in sliding hinge connection with the strip-shaped hole at the lower end of the first stress application rod through the hinge rod, the buoyancy of the floating ball drives the first stress application rod to ascend around the first adapter seat to swing, the front end of the second stress application rod is lifted up through the sliding interface close to the first adapter seat, the distance from the sliding interface to the first adapter seat is far smaller than that from the hinge rod to the first adapter seat, and the upward pushing buoyancy received by the first stress application rod can be transmitted to the front end of the second stress application rod in multiple.

Preferably, the rear end of the second stress application rod is rotatably provided with a second adapter, the rear part of the top end of the second adapter is provided with a short power arm with the length less than half of the length of the second stress application rod, the bottom end of the plug is provided with a sliding seat, and the front end of the short power arm is connected with the sliding seat through a rotating shaft;

the rear end of the second stressing rod is hinged and fixed, the lower part of the front end is hinged with the sliding joint position of the first stressing rod, and the upper part of the second stressing rod is in sliding contact with the plug through a short power arm with the length smaller than half of the length of the second stressing rod, so that the upper thrust of the received first stressing rod can be further subjected to lever stressing, and the upward thrust received by the plug is larger.

Preferably, an end cover is arranged in the middle of the top end of the shell, a limiting rod which is lapped at the top end of the guide shell is arranged on the inner side of the lower part of the end cover, a diameter expanding cavity is arranged in the shell, a turbulence plate is arranged in the diameter expanding cavity, and a water passing channel is formed between the turbulence plates;

the end cover is screwed with the inner wall of the shell through threads, so that the inner assembly can be conveniently maintained, the limiting rod can be pressed at the top end of the guide shell after being combined, the upward limit position of the floating ball is limited, when water flows into the diameter-expanding cavity, the flow speed is reduced, the turbulent flow plate further turbulently rubs to enable gas separation to float upwards, and water flows from the position of the water passage and is discharged from the right end of the shell.

Preferably, the lower part of the floating ball is provided with a first fin and a second fin which are arranged in an annular array, and the first fin and the second fin are staggered up and down to form an air passage;

when the first fin and the second fin can improve the water level, the floating ball receives upward acting force, so that the floating ball can be guaranteed to rapidly ascend, and the plug is driven to rapidly seal the air hole.

Preferably, the side wall of the guide shell is provided with a notch for the first fin and the second fin to slide up and down, the inner wall of the guide shell is provided with a convex rib extending towards the direction of the floating ball, and the side wall of the arc-shaped end part of the convex rib is in sliding contact with the vertical side wall of the floating ball;

the arrangement of the notch enables the first fin and the second fin to slide under the guide of the guide shell, so that the situation that two stressing rods are twisted to be separated from hinge joint or lifting resistance is overlarge is avoided, the convex rib and the floating ball are in mutual difference butt joint, the contact area is small, the friction resistance is small, and the lifting reaction of the floating ball is more sensitive.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

1. according to the utility model, through the integral structure, the plug which is synchronously driven to move up and down by the upward and downward movement of the floating ball is arranged, the plug can be inserted into the air hole for sealing when the water level rises after air exhaust, the sealing is carried out by extruding and inserting through the frustum, friction does not exist during downward pulling, abrasion can be ignored for ensuring tight joint, the floating ball is connected with the plug through two groups of stressing rods, the buoyancy of the floating ball can be greatly increased by a plurality of times through the length difference between the power arm and the resistance wall, and the floating ball can be converted into upward movement potential energy of the plug, so that the high water pressure can be resisted for effectively preventing leakage.

2. According to the utility model, through the integral structure, the shell with the expanding cavity can reduce the flow rate of liquid entering the exhaust valve, further speed reduction turbulence is carried out through the arc turbulence plate, the gas can rub with the turbulence plate to improve the precipitation efficiency, the fin is arranged at the lower part of the floating ball, and when the water level rapidly rises in the exhaust process, the floating ball is rapidly driven to rapidly rise by the impact of upward water flow, the reaction speed is improved, and when the water pressure is high, the liquid rapidly rising in the upward period of the floating ball is prevented from being sprayed out from the air hole which is not sealed.

Drawings

FIG. 1 is a left side schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic view of the internal structure of the present utility model;

FIG. 3 is a schematic view of the floating ball position of the present utility model;

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

The reference numerals in the figures illustrate: the air conditioner comprises a shell 1, a turbulence plate 11, a water passing channel 12, an expanding cavity 13, an air discharging cap 2, an air accommodating cavity 21, an end cover 22, a limiting rod 221, a guide shell 23, a notch 231, a convex rib 232, a plug 24, a frustum portion 241, a sliding seat 242, a floating ball 25, a first fin 251, a second fin 252, a hinging rod 253, a mesh plate 26, a first stressing rod 27, a first adapting seat 271, a sliding interface 272, a second stressing rod 28, a second adapting seat 281, a short power arm 282, an air hole 29 and a frustum groove 291.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-4, the present utility model provides two technical solutions:

embodiment one:

the automatic exhaust valve of the water pump comprises a shell 1, a floating ball 25 and an exhaust cap 2, wherein an air accommodating cavity 21 is arranged at the upper part of the inner side of the shell 1, the top end of the air accommodating cavity 21 is provided with the exhaust cap 2, an air hole 29 is formed in the middle of the exhaust cap 2, the shell 1 is positioned in the air accommodating cavity 21, a guide shell 23 is arranged in the shell 21, the floating ball 25 is arranged in the guide shell 23 in a sliding manner, the top end of the floating ball 25 is connected with a plug 24 through a stress application assembly, and the stress application assembly comprises a first stress application rod 27 and a second stress application rod 28, wherein the length of a power arm is far greater than that of a resistance arm.

Specifically, the top end of the plug 24 is configured as a ball head, the lower edge of the plug 24 is provided with a frustum portion 241, and the lower end of the air hole 29 is provided with a frustum groove 291 matched with the frustum portion 241.

Further, the lower end of the first stress application rod 27 is connected with the top end of the floating ball 25 through a hinge rod 253, the front end of the first stress application rod 27 is rotatably provided with a first adapter 271, a rectangular sliding interface 272 is arranged at the position, close to the first adapter 271, of the first stress application rod 27, and the front end of the second stress application rod 28 is connected with the sliding interface 272 through a sliding pin.

It should be noted that the rear end of the second stressing rod 28 is rotatably provided with a second adapter 281, a short power arm 282 with a length less than half of the length of the second stressing rod 28 is provided at the rear end of the top end of the second adapter 281, the bottom end of the plunger 24 is provided with a sliding seat 242, and the front end of the short power arm 282 is connected with the sliding seat 242 through a rotating shaft.

The shell 1 is connected in series on a water delivery pipeline, preferably arranged at the water inlet end of the water pump, gas separated from liquid which does not enter the water pump is collected in the air containing cavity 21, when the gas is gathered too much, the water level in the air containing cavity 21 is reduced, the floating ball 25 is enabled to descend, the plug 24 is driven to descend, the air hole 29 is released to realize the exhaust, after the exhaust, the liquid level in the air containing cavity 21 is increased, the floating ball 25 is enabled to ascend, the buoyancy is amplified by the first stressing rod 27 and the second stressing rod 28 of the stressing assembly, the plug 24 is enabled to bear larger ascending force, the air hole 29 is stably sealed, the stable sealing of the air hole 29 can be ensured when the water pressure is higher, the plug 24 is enabled to be separated from the vertical round hole position of the air hole 29 when the air hole is not needed, but is enabled to be lapped on the inner wall position of the frustum groove 291, the air hole 24 can be exhausted and the swing of the plug 24 is prevented from being separated from the frustum groove 291, when the frustum portion 241 is inserted into the frustum groove 291, the sealing contact area is large, and when the plug 24 descends, the upper portion of the frustum portion 241 is separated from contact with the inner wall of the frustum groove 291, the friction sliding distance between the upper portion of the frustum portion 241 and the inner wall of the frustum groove 291 is negligible, the long-time working joint wear is ensured to be small, the abutting position is tightly combined, the floating ball 25 is slidably hinged with the strip-shaped hole at the lower end of the first stressing rod 27 through the hinging rod 253, the buoyancy of the floating ball 25 drives the first stressing rod 27 to ascend around the first hinging seat 271, the front end of the second stressing rod 28 is lifted up through the sliding interface 272 close to the first hinging seat 271, the distance from the sliding interface 272 to the first hinging seat 271 is far smaller than the distance from the hinging rod 253 to the first hinging seat 271, the upward pushing buoyancy received by the first stressing rod 27 can be transmitted to the front end of the second stressing rod 28 in a plurality of times, the rear end of the second stressing rod 28 is hinged and fixed, the lower part of the front end is hinged with the sliding joint 272 of the first stressing rod 27, and the upper part is in sliding contact with the plug 24 through a short power arm 282 with the length smaller than half of the length of the second stressing rod 28, so that the upward thrust of the received first stressing rod 27 can be further subjected to lever stressing, and the upward thrust received by the plug 24 is larger.

Embodiment two:

It is noted that the middle part of the top end of the shell 1 is provided with an end cover 22, the inner side of the lower part of the end cover 22 is provided with a limit rod 221 which is lapped on the top end of the guide shell 23, the shell 1 is internally provided with an expanding cavity 13, the expanding cavity 13 is internally provided with a turbulence plate 11, and a water passing channel 12 is formed between the turbulence plates 11.

In addition, the first fins 251 and the second fins 252 are arranged in an annular array at the lower part of the floating ball 25, and the first fins 251 and the second fins 252 are staggered up and down to form an air passage.

Needless to say, the side wall of the guide case 23 is provided with a notch 231 for the first fin 251 and the second fin 252 to slide up and down, the inner wall of the guide case 23 is provided with a convex rib 232 extending toward the floating ball 25, and the side wall of the arc end of the convex rib 232 is in sliding contact with the vertical side wall of the floating ball 25.

The end cover 22 is screwed with the inner wall of the shell 1 through threads, so that the inner assembly can be conveniently maintained, the limiting rod 221 can be pressed at the top end of the guide shell 23 after being combined, the upper limit position of the floating ball 25 is limited, when water flows into the diameter expanding cavity 13, the flow speed is reduced, the turbulent flow plate 11 further turbulently rubs to enable gas to separate and float upwards, water flows from the position of the water channel 12 and is discharged from the right end of the shell 1, the upward acting force received by the floating ball 25 can be ensured when the first fin 251 and the second fin 252 can improve the water level, the floating ball 25 can rapidly move upwards, the plug 24 is further driven to rapidly seal the air hole 29, the notch 231 is arranged, the first fin 251 and the second fin 252 can slide under the guide of the guide shell 23, the situation that the two stressing rods are twisted to separate from hinging or the lifting resistance is overlarge is avoided, the convex rib 232 and the floating ball 25 are mutually in differential butt joint, the contact area is small, the friction resistance is small, and the lifting reaction of the floating ball 25 is more sensitive.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a water pump automatic vent valve, includes casing (1), floater (25) and exhaust cap (2), its characterized in that: the utility model discloses a novel energy-saving air-saving device, including casing (1), pressure-sensitive element, thrust augmentation component and power arm, the inboard upper portion of casing (1) is provided with appearance air cavity (21), appearance air cavity (21) top is provided with exhaust cap (2), gas pocket (29) have been seted up at exhaust cap (2) middle part, casing (1) are arranged in appearance air cavity (21) and are installed shell (23) that leads, floater (25) slide and set up in shell (23) that leads, floater (25) top is connected with plug (24) through the thrust augmentation component, the thrust augmentation component includes power arm length is greater than first thrust augmentation pole (27) and second thrust augmentation pole (28) of resistance arm length far.

2. The automatic exhaust valve of a water pump according to claim 1, wherein: the top end of the plug (24) is arranged into a ball head shape, a frustum portion (241) is arranged at the lower edge of the plug (24), and a frustum groove (291) matched with the frustum portion (241) is formed in the lower end of the air hole (29).

3. The automatic exhaust valve of a water pump according to claim 2, wherein: the lower end of the first stress application rod (27) is connected with the top end of the floating ball (25) through the hinging rod (253), the front end of the first stress application rod (27) is rotatably provided with a first adapter seat (271), a rectangular sliding joint (272) is formed in the position, close to the first adapter seat (271), of the first stress application rod (27), and the front end of the second stress application rod (28) is connected with the sliding joint (272) through a sliding pin.

4. The automatic exhaust valve for a water pump according to claim 3, wherein: the second adapter (281) is rotatably mounted at the rear end of the second stressing rod (28), a short power arm (282) with the length smaller than half of the length of the second stressing rod (28) is arranged at the rear end of the top end of the second adapter (281), the sliding seat (242) is mounted at the bottom end of the plug (24), and the front end of the short power arm (282) is connected with the sliding seat (242) through a rotating shaft.

5. The automatic exhaust valve of a water pump according to claim 1, wherein: an end cover (22) is arranged in the middle of the top end of the shell (1), a limiting rod (221) which is lapped on the top end of the guide shell (23) is arranged on the inner side of the lower portion of the end cover (22), an expanding cavity (13) is arranged in the shell (1), a turbulent flow plate (11) is arranged in the expanding cavity (13), and a water passing channel (12) is formed between the turbulent flow plate (11).

6. The automatic exhaust valve of a water pump according to claim 5, wherein: the lower part of the floating ball (25) is provided with a first fin (251) and a second fin (252) which are arranged in an annular array, and the first fin (251) and the second fin (252) are staggered up and down to form an air passage.

7. The automatic exhaust valve of a water pump according to claim 6, wherein: the guide shell (23) is characterized in that a notch (231) for the first fin (251) and the second fin (252) to slide up and down is formed in the side wall of the guide shell (23), a convex rib (232) extending towards the direction of the floating ball (25) is mounted on the inner wall of the guide shell (23), and the side wall of the arc-shaped end part of the convex rib (232) is in sliding contact with the vertical side wall of the floating ball (25).