CN218894969U - Electric exhaust valve - Google Patents

Abstract

The utility model belongs to the technical field of exhaust valves, in particular to an electric exhaust valve, which comprises a shell and a cover plate, wherein the upper end of the shell is of an open structure, the cover plate is positioned at the upper end of the shell, the lower end of the shell is communicated with an external threaded pipe, the middle part of the cover plate is of an arc structure, the top of the arc structure is provided with a through hole, the electric exhaust valve further comprises a control mechanism, the control mechanism comprises a floating ball and a control device, and the floating ball comprises an empty shell, a limiting cylinder, a sealing ring plate and a rubber column; when the utility model is installed on a gas conveying pipeline, the shell is installed on the gas conveying pipeline, the rotating motor works to control the transmission gear to rotate, so that the lifting rod is forced to descend and the pressure-bearing shell is forced to descend, the rubber column blocks the external threaded pipe, gas is further controlled to be conveyed in the pipeline, and when the pressure in the pipeline is higher, the rotating motor controls the lifting rod to ascend.

Description

Electric exhaust valve

Technical Field

The utility model relates to the technical field of exhaust valves, in particular to an electric exhaust valve.

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, a floor heating system, a solar heating system and the like. When liquid is conveyed, a certain amount of air is usually dissolved in water, the solubility of the air is reduced along with the temperature rise, so that gas is gradually separated from the water in the circulating process and gradually gathered together to form large bubbles or even gas columns, the gas is usually generated because of the replenishment of the water, and an automatic exhaust valve is usually arranged at the upper end of a pipeline for outputting the gas accumulated in the pipeline.

The exhaust valve comprises a shell, a floating body and a cover plate, wherein the cover plate is positioned at the upper end of the shell, the floating body is positioned in the shell, the exhaust hole of the cover plate is controlled by the floating body to be smooth, when the liquid level in the shell is lower, the floating body is positioned at a low position, at the moment, the exhaust hole of the cover plate is opened, gas stored in the pipe body is output from the exhaust hole, when the liquid level in the shell is higher, the floating body is positioned at a high position under the action of the buoyancy, the exhaust hole is closed, and the liquid is prevented from being output from the exhaust hole

When the exhaust valve is applied to a gas conveying pipeline, an electromagnetic valve is additionally arranged at the front end of the exhaust valve, when the exhaust valve is not required to discharge gas, the electromagnetic valve is closed, gas cannot flow to the exhaust valve, when the pressure in the pipeline is larger, the electromagnetic valve is opened after receiving a signal, the gas flows to the exhaust valve and is output from an exhaust hole, when the exhaust valve is applied to the gas conveying pipeline, the exhaust valve and the electromagnetic valve are required to be matched to complete the control and the discharge of the gas, the installation is more troublesome, the efficiency is low, the leakage is easily caused at the joint of the exhaust valve, the electromagnetic valve and the pipeline due to the loose connection, and meanwhile, the exhaust valve and the electromagnetic valve are used, so that the control cost for controlling and discharging the gas is increased; accordingly, an electric exhaust valve is proposed to solve the above-described problems.

Disclosure of Invention

In order to make up the defects of the prior art, the exhaust valve needs to be matched with the electromagnetic valve when being arranged on the gas conveying pipeline, and the problems of troublesome installation, low efficiency and high cost are solved.

The technical scheme adopted for solving the technical problems is as follows: the utility model discloses an electric exhaust valve, which comprises a shell and a cover plate, wherein the upper end of the shell is of an open structure, the cover plate is positioned at the upper end of the shell, the lower end of the shell is communicated with an external threaded pipe, the middle part of the cover plate is of an arc structure, the top of the arc structure is provided with a through hole, the electric exhaust valve further comprises a control mechanism, the control mechanism comprises a floating ball and a control device, the floating ball comprises a blank shell, a limiting cylinder, a sealing ring plate and a rubber column, the limiting cylinder is positioned at the upper end in the blank shell, the upper end of the limiting cylinder is of an open structure, the upper end of the limiting cylinder is connected with a through hole of the blank shell, the sealing ring plate is arranged at the position of the through hole of the blank shell, the rubber column is arranged at the lower end of the blank shell, the control device comprises a lifting rod, the lower end of the lifting rod penetrates through the through hole and is inserted into the limiting cylinder, the lifting rod can control the blank shell to descend, the rubber column is sealed and is inserted into the external threaded pipe, and the sealing ring plate can ascend and be inserted into the through hole; the provision of the through holes provides a passage for the gas output housing.

Preferably, the lower end of the rubber column is provided with a frustum structure, the outer side wall of the sealing ring plate is provided with a frustum structure, and the inner side wall of the sealing ring plate is in contact with the lifting rod; the outer side wall of the sealing ring plate is of a frustum structure, and the lower end of the rubber column is of a frustum structure, so that the sealing ring plate is conveniently inserted into the through hole and the rubber column is conveniently inserted into the external threaded pipe.

Preferably, the control device comprises a mounting shell, the mounting shell is of a column structure, lifting holes are formed in the upper end face and the lower end face of the mounting shell, and the upper ends of the lifting rods penetrate through the lifting holes.

Preferably, the side wall of the lifting hole is fixedly connected with a limiting slide column, the side wall of the lifting rod is provided with a limiting slide groove along the height direction, and the limiting slide column is arranged in the limiting slide groove; the setting of restriction spout and restriction strut is convenient for cooperate the rotation of restriction lifter to control the lifter and go up and down at drive gear's effect and provide convenience.

Preferably, the inside lower extreme middle part of installation shell is provided with drive gear, the boss that drive gear below set up is installed in the installation shell lateral wall through the bearing, threaded hole has been seted up at drive gear upside middle part, the upper end of lifter is provided with the helicitic texture, the lifter screw thread runs through the screw hole setting.

Preferably, the control device further comprises a rotating motor, a controller and a driving gear, wherein the rotating motor is inversely installed inside the installation shell, the controller is installed at the upper end of the rotating motor, the driving gear is connected with an output shaft of the rotating motor, and the driving gear is meshed with the transmission gear.

Preferably, a connecting rod is arranged above the cover plate, the upper end of the connecting rod penetrates through the lug plate of the installation shell, nuts are sleeved on the upper side and the lower side of the lug plate through threads of the connecting rod, and a gap is reserved between the lower end of the installation shell and the through hole.

The utility model has the advantages that:

1. when the utility model is installed on a gas conveying pipeline, the shell is installed on the gas pipeline, the rotating motor is used for controlling the transmission gear to rotate, the lifting rod is forced to descend and prop against the pressure shell to descend, the rubber column blocks the external threaded pipe, gas is further controlled to be conveyed in the pipeline, when the pressure in the pipeline is higher, the rotating motor is used for controlling the lifting rod to ascend, the empty shell drives the rubber column to be separated from the external threaded pipe under the action of the gas pressure, so that the gas is output from the through hole, the existing situation that the control and the discharge of the gas can be realized only by installing an exhaust valve and an electromagnetic valve on the gas pipeline at the same time is changed, the installation is simpler, and the cost is lower.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

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

FIG. 2 is a schematic view of a housing and a cover plate according to the present utility model;

FIG. 3 is a schematic diagram of a control mechanism according to the present utility model;

FIG. 4 is a schematic view of a floating ball and lifting rod according to the present utility model;

FIG. 5 is a schematic view of a blank and a cover plate according to the present utility model;

FIG. 6 is a schematic view of a blank and a shell according to the present utility model;

fig. 7 is a schematic structural view of a control device of the present utility model.

In the figure: 1. a housing; 11. an external threaded tube; 2. a cover plate; 21. an arc-shaped structure; 22. a connecting rod; 23. a through hole; 3. a control mechanism; 31. a floating ball; 311. a hollow shell; 312. a rubber column; 313. a limiting cylinder; 314. sealing ring plates; 32. a control device; 321. a rotating electric machine; 322. a drive gear; 323. a controller; 324. a mounting shell; 325. a lifting rod; 326. limiting the chute; 327. a transmission gear; 328. a thread structure.

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.

Example 1

Referring to fig. 1-7, an electric exhaust valve comprises a housing 1 and a cover plate 2, wherein the upper end of the housing 1 is provided with an open structure, the cover plate 2 is positioned at the upper end of the housing 1, the lower end of the housing 1 is provided with an external threaded pipe 11 in a communicating way, the middle part of the cover plate 2 is provided with an arc-shaped structure 21, the top of the arc-shaped structure 21 is provided with a through hole 23, further comprises a control mechanism 3, the control mechanism 3 comprises a floating ball 31 and a control device 32, the floating ball 31 comprises a blank 311, a limiting cylinder 313, a sealing ring plate 314 and a rubber column 312, the limiting cylinder 313 is positioned at the inner upper end of the blank 311, the upper end of the limiting cylinder 313 is of an open structure, the upper end of the limiting cylinder 313 is connected with a through hole of the blank 311, the sealing ring plate 314 is arranged at the position of the through hole of the blank 311, the outer side wall of the sealing ring plate 314 is provided with a taper table structure, the rubber column 312 is arranged at the lower end of the blank 311, the lower end of the rubber column 312 is provided with a taper table structure, the control device 32 comprises a lifting rod 325, the lower end of the lifting rod 325 penetrates through the through hole 23 into the limiting cylinder 313, the inner side of the sealing ring plate 314 is contacted with the lifting rod 325, the inner side wall of the sealing ring plate 314 and the lifting rod 325 is contacted with the lifting rod 325, the inner side wall of the sealing ring plate and the inner side of the sealing ring plate 325 can be inserted into the through hole 23 and can be sealed by the threaded hole of the inner wall and sealed by the inner wall and screwed into the hollow hole 311; the arc-shaped structure 21 is arranged to be matched with the curved surface structure of the hollow shell 311 so as to initially block the passage of the liquid output shell 1 through the contact between the arc-shaped structure 21 and the hollow shell 311 when the hollow shell 311 ascends; the provision of the through-holes 23 provides a passage for the gas output housing 1; the arrangement of the conical frustum structure on the outer side wall of the sealing ring plate 314 and the conical frustum structure on the lower end of the rubber column 312 facilitates the insertion of the sealing ring plate 314 into the through hole 23 and the insertion of the rubber column 312 into the externally threaded pipe 11;

the control device 32 comprises a mounting shell 324, a transmission gear 327, a rotating motor 321, a controller 323 and a driving gear 322, wherein the mounting shell 324 is of a column structure, lifting holes are formed in the upper end face and the lower end face of the mounting shell 324, a limiting slide column is fixedly connected to the side wall of the lifting hole, the transmission gear 327 is arranged in the middle of the lower end inside the mounting shell 324, a convex disc arranged below the transmission gear 327 is arranged in the side wall of the mounting shell 324 through a bearing, a threaded hole is formed in the middle of the upper side face of the transmission gear 327, a threaded structure 328 is arranged at the upper end of a lifting rod 325, a limiting slide groove 326 is formed in the side wall of the lifting rod 325 along the height direction of the lifting rod, the upper end of the lifting rod 325 penetrates through the lifting hole, threads of the lifting rod 325 penetrate through the threaded hole, the limiting slide column is arranged in the limiting slide groove 326, the rotating motor 321 is inversely arranged inside the mounting shell 324, the controller 323 is arranged at the upper end of the rotating motor 321, the driving gear 322 is connected with an output shaft of the rotating motor 321, and the driving gear 322 is in meshed connection with the transmission gear 327. The arrangement of the limiting chute 326 and the limiting strut facilitates the cooperation of limiting the rotation of the lifting rod 325, so as to facilitate the lifting control of the lifting rod 325 under the action of the transmission gear 327;

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, a floor heating system, a solar heating system and the like. Because a certain amount of air is usually dissolved in water, the solubility of the air is reduced along with the rise of temperature, the air is gradually separated from the water in the circulating process of the water and gradually gathered together to form large bubbles or even air columns, the air is usually generated because the water is supplemented, the air is usually output at the upper end of a pipeline, the air outlet valve is usually arranged at the upper end of the pipeline and comprises a shell 1, a floating body and a cover plate 2, the cover plate 2 is arranged at the upper end of the shell 1, the floating body is arranged in the shell 1, the air outlet hole of the cover plate 2 is controlled to be unobstructed by the floating body, when the liquid level in the shell 1 is low, the air outlet hole of the cover plate 2 is opened at the moment, the air stored in the pipeline is output from the air outlet hole, when the liquid level in the shell 1 is higher, the floating body is at a high position under the action of buoyancy, the exhaust hole is closed, liquid is prevented from being output from the exhaust hole, when the exhaust valve is applied to a gas conveying pipeline, an electromagnetic valve is additionally arranged at the front end of the exhaust valve, when the exhaust valve is not required to discharge gas, the electromagnetic valve is closed, gas cannot circulate to the exhaust valve, when the pressure in the pipeline is higher, the electromagnetic valve is opened after receiving a signal, the gas circulates to the exhaust valve and is output from the exhaust hole, when the exhaust valve is applied to the gas conveying pipeline, the exhaust valve and the electromagnetic valve are required to be matched to complete the control and the discharge of the gas, the installation is troublesome, the efficiency is low, the leakage is easily caused at the joint of the exhaust valve, the electromagnetic valve and the pipeline due to the fact that the connection is not tight, and meanwhile, the exhaust valve and the electromagnetic valve are used, and the control cost for controlling the gas is increased; when the utility model is installed on a gas conveying pipeline, the shell 1 is installed on the gas pipeline, the rotating motor 321 is used for controlling the transmission gear 327 to rotate, the lifting rod 325 is forced to descend and prop against the pressure shell 311 to descend, the rubber column 312 blocks the externally threaded pipe 11 so as to control the gas to be conveyed in the pipeline, when the pressure in the pipeline is higher, the rotating motor 321 is used for controlling the lifting rod 325 to ascend, the empty shell 311 drives the rubber column 312 to be separated from the externally threaded pipe 11 under the action of the gas pressure, so that the gas is output from the through hole 23, the current situation that the existing exhaust valve and electromagnetic valve are required to be installed on the gas pipeline at the same time to realize the control and discharge of the gas is changed, the installation is simpler, and the cost is lower; when the gas transmission device works, firstly, a worker installs a shell 1 on a gas transmission pipeline through an external thread pipe 11, a controller 323 is connected with a control system, when the pressure in the gas transmission pipeline is large, the control system sends a signal to the controller 323, the controller 323 controls a rotating motor 321 to work, the rotating motor 321 drives a driving gear 322 to rotate, the driving gear 322 drives a transmission gear 327 to rotate, the lifting rod 325 is controlled to lift by one end distance through the threaded connection of the transmission gear 327 and the lifting rod 325, the empty shell 311 synchronously lifts along with the lower end of the lifting rod 325 under the action of gas pressure, the rubber column 312 is separated from the external thread pipe 11, meanwhile, a through hole 23 and the external thread pipe 11 are smooth, and gas is output from the through hole 23; when the housing 1 is mounted on the liquid delivery pipe, the controller 323 controls the rotating motor 321 to drive the lifting rod 325 to lift, so that the sealing ring plate 314 lifts up under the action of the empty housing 311 and is inserted into the through hole 23 for a sufficient distance, then the empty housing 311 is in a low position under the action of self weight, gas is output from the through hole 23, when the liquid flows into the housing 1, under the action of buoyancy, the empty housing 311 lifts up, the sealing ring plate 314 is forced to lift up and is inserted into the through hole 23, and the channel of the liquid output housing 1 is blocked.

Example two

Referring to fig. 1 and 2, in a first comparative example, as another embodiment of the present utility model, a connecting rod 22 is disposed above a cover plate 2, the upper end of the connecting rod 22 penetrates through an ear plate of a mounting shell 324, nuts are sleeved on both upper and lower sides of the ear plate by threads of the connecting rod 22, and a gap is left between the lower end of the mounting shell 324 and a through hole 23; when in assembly, the lug plate of the installation shell 324 is sleeved on the connecting rod 22 and is supported on the lower side screw cap, and then the upper side screw cap is sleeved with the screw cap, so that the installation shell 324 is stably installed.

Working principle: when the exhaust valve is applied to a gas conveying pipeline, the exhaust valve and the electromagnetic valve are required to be installed to complete the control and the discharge of gas, the installation is more troublesome, the efficiency is low, the leakage is easily caused by the fact that the connection of the exhaust valve, the electromagnetic valve and the pipeline is not tight, and meanwhile, the exhaust valve and the electromagnetic valve are used, so that the control cost of the gas control and the discharge is increased; when the gas transmission pipeline is assembled, the lug plate of the installation shell 324 is sleeved on the connecting rod 22 and supported on the lower side screw cap, then the upper side screw cap is sleeved with the screw cap, so that the installation shell 324 is stably installed, the lower end of the lifting rod 325 penetrates through the through hole 23 and is inserted into the limiting cylinder 313, firstly, a worker installs the shell 1 on the gas transmission pipeline through the external screw pipe 11, the controller 323 is connected with the control system, when the pressure in the gas transmission pipeline is large, the control system sends a signal to the controller 323, the controller 323 controls the rotating motor 321 to work, the rotating motor 321 drives the driving gear 322 to rotate, the driving gear 322 drives the transmission gear 327 to rotate, the lifting rod 325 is controlled to lift by one end distance through the threaded connection of the transmission gear 327 and the lifting rod 325, the empty shell 311 is synchronously lifted along with the lower end of the lifting rod 325 under the action of the gas pressure, the rubber column 312 is separated from the external screw pipe 11, meanwhile, the through hole 23 and the external screw pipe 11 are unobstructed, and gas is output from the through hole 23; when the housing 1 is mounted on the liquid delivery pipe, the controller 323 controls the rotating motor 321 to drive the lifting rod 325 to lift, so that the sealing ring plate 314 lifts up under the action of the empty housing 311 and is inserted into the through hole 23 for a sufficient distance, then the empty housing 311 is in a low position under the action of self weight, gas is output from the through hole 23, when the liquid flows into the housing 1, under the action of buoyancy, the empty housing 311 lifts up, the sealing ring plate 314 is forced to lift up and is inserted into the through hole 23, and the channel of the liquid output housing 1 is blocked.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

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 embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims (7)

1. The utility model provides an electric exhaust valve, includes casing (1) and apron (2), casing (1) upper end sets up to open structure, apron (2) are located the upper end of casing (1), casing (1) lower extreme communicates with each other and is provided with external screw thread pipe (11), its characterized in that: the middle part of apron (2) sets up to arc structure (21), through-hole (23) have been seted up at the top of arc structure (21), still include control mechanism (3), control mechanism (3) are including floater (31) and control device (32), floater (31) are including hollow shell (311), restriction section of thick bamboo (313), sealed ring board (314) and rubber post (312), restriction section of thick bamboo (313) are located hollow shell (311) upper end, restriction section of thick bamboo (313) upper end is open structure, just restriction section of thick bamboo (313) upper end is connected with the perforation of hollow shell (311), sealed ring board (314) are installed in the perforation position department of hollow shell (311), the lower extreme at hollow shell (311) is installed to rubber post (312), control device (32) are including lifter (325), the lower extreme of lifter runs through-hole (23) and inserts in restriction section of thick bamboo (313), lifter (325) steerable shell (311) decline and rubber post (312) insert in sealed ring board (11), but threaded connection in sealed ring board (11).

2. An electric exhaust valve according to claim 1, characterized in that: the lower extreme of rubber post (312) sets up to the frustum structure, the lateral wall of sealing ring board (314) is provided with the frustum structure, sealing ring board (314) inside wall and lifter (325) contact.

3. An electric exhaust valve according to claim 2, characterized in that: the control device (32) comprises a mounting shell (324), the mounting shell (324) is of a column structure, lifting holes are formed in the upper end face and the lower end face of the mounting shell (324), and the upper ends of lifting rods (325) penetrate through the lifting holes.

4. An electric exhaust valve according to claim 3, characterized in that: the side wall of the lifting hole is fixedly connected with a limiting sliding column, a limiting sliding groove (326) is formed in the side wall of the lifting rod (325) along the height direction of the lifting rod, and the limiting sliding column is arranged in the limiting sliding groove (326).

5. The electric exhaust valve according to claim 4, characterized in that: the lifting device is characterized in that a transmission gear (327) is arranged in the middle of the lower end inside the installation shell (324), a convex disc arranged below the transmission gear (327) is installed in the side wall of the installation shell (324) through a bearing, a threaded hole is formed in the middle of the upper side surface of the transmission gear (327), a threaded structure (328) is arranged at the upper end of the lifting rod (325), and threads of the lifting rod (325) penetrate through the threaded hole.

6. An electric exhaust valve according to claim 5, characterized in that: the control device (32) further comprises a rotating motor (321), a controller (323) and a driving gear (322), wherein the rotating motor (321) is inversely installed inside the installation shell (324), the controller (323) is installed at the upper end of the rotating motor (321), the driving gear (322) is connected with an output shaft of the rotating motor (321), and the driving gear (322) is meshed and connected with the transmission gear (327).

7. The electric exhaust valve according to claim 6, characterized in that: the upper portion of apron (2) is provided with connecting rod (22), the otic placode of installation shell (324) is run through to connecting rod (22) upper end, just connecting rod (22) are equipped with the nut at the equal thread bush in the upper and lower both sides of otic placode, installation shell (324) lower extreme and through-hole (23) leave the clearance.

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