A breathing valve with good sealing performance

Abstract

The utility model relates to the technical field of breathing valves, and specifically to a breathing valve with good sealing performance, comprising a valve body, a connecting pipe and a connecting flange, and also comprising a control component, wherein the control component comprises an air inlet pipe, an air outlet pipe, a first spring, a first plug, a connecting frame, a support plate, a second spring, a connecting plate, a second plug, a fixing member and a connecting member, when the first plug or the second plug automatically moves due to a pressure difference, the air outlet pipe or the air inlet pipe can be connected to the connecting pipe through the valve body, thereby realizing automatic release of positive pressure of a tank body, or when the tank body is unloading, the valve body can always be opened to supplement pressure, thereby better maintaining the air pressure balance in the storage tank.

Description

Technical Field

[0001] The utility model belongs to the technical field of breathing valves, and in particular relates to a breathing valve with good sealing performance. Background Art

[0002] Valves are usually used in tanks and are usually used to adjust the flow, pressure or flow direction of fluids in equipment. There are many types of valve bodies, and their functions are very different.

[0003] The existing breathing valve is suitable for products that maintain the air pressure balance in the storage tank and reduce the volatilization of the medium. Its principle is to use the weight of the positive and negative pressure valve disc to control the positive exhaust pressure and negative intake pressure of the storage tank. When the storage tank is loaded, the internal gas is squeezed, the air pressure rises, and the pressure needs to be relieved. When unloading, the internal air pressure decreases and the pressure needs to be replenished.

[0004] However, the existing valve body is very inconvenient to use. Usually, when negative pressure appears inside the storage tank and pressure replenishment is required, it is generally necessary to use external force to drive the pressure replenishing switch all the time, which is very energy-consuming. As a result, the valve body cannot automatically release the positive pressure, or the valve body can always be opened to replenish pressure when the tank is unloading, thereby failing to maintain the air pressure balance in the storage tank. Utility Model Content

[0005] The purpose of the utility model is to provide a breathing valve with good sealing performance, aiming to solve the problem that the existing valve body is very inconvenient to use. Usually, when negative pressure appears inside the storage tank and pressure replenishment is required, it is generally necessary to drive the pressure replenishing switch by external force all the time, which is very energy-consuming, so that the valve body cannot automatically release the positive pressure, or when the tank body is unloading, the valve body can always be opened for pressure replenishment, thereby failing to maintain the air pressure balance in the storage tank.

[0006] In order to achieve the above technical purpose, the technical solution adopted by the utility model is as follows: comprising a valve body, a connecting pipe and a connecting flange, wherein the connecting pipe is connected to the valve body and is located on one side of the valve body, and the connecting flange is fixedly connected to the connecting pipe and is located on one side of the connecting pipe.

[0007] Also includes control components,

[0008] The control assembly includes an air inlet pipe, an air outlet pipe, a first spring, a first plug, a connecting frame, a support plate, a second spring, a connecting plate, a second plug, a fixing member and a connecting member. The air inlet pipe is connected to the valve body and is located on one side of the valve body. The air outlet pipe is connected to the valve body and is located on a side of the valve body away from the air inlet pipe. The first spring is fixedly connected to the valve body and is located on one side of the valve body. The first plug is fixedly connected to the first spring and is located on a side of the first spring close to the valve body. The connecting frame is fixedly connected to the first plug and is located on a side of the first plug. The support plate is fixedly connected to the connecting frame and is located on one side of the connecting frame. The second spring is fixedly connected to the support plate and is located on one side of the support plate. The connecting plate is fixedly connected to the second spring and is located on a side of the second spring away from the support plate. The second plug is fixedly connected to the connecting plate and is located on a side of the connecting plate close to the first plug. The fixing member is arranged on the valve body and the first plug and is connected to the first spring. The connecting member is arranged on the support plate and the connecting plate and is connected to the second spring.

[0009] Wherein, the fixing member includes a first fixing seat and a second fixing seat, the first fixing seat is fixedly connected to the valve body and the first spring respectively, and the first fixing seat is located on a side of the valve body close to the first spring; the second fixing seat is fixedly connected to the first plug and the first spring respectively, and the second fixing seat is located on a side of the first plug close to the first spring.

[0010] Wherein, the connecting member includes a first connecting seat and a second connecting seat, the first connecting seat is fixedly connected to the support plate and the second spring respectively, and the first connecting seat is located on a side of the support plate close to the second spring; the second connecting seat is fixedly connected to the connecting plate and the second spring respectively, and the second connecting seat is located on a side of the connecting plate close to the second spring.

[0011] Wherein, the control component also includes a dustproof component, which includes a first mounting bracket and a first dustproof net, the first mounting bracket is fixedly connected to the air intake pipe and is located on one side of the air intake pipe; the first dustproof net is fixedly connected to the first mounting bracket and is located on one side of the first mounting bracket.

[0012] Wherein, the dustproof component also includes a second mounting frame and a second dustproof net, the second mounting frame is fixedly connected to the air outlet pipe and is located on one side of the air outlet pipe; the second dustproof net is fixedly connected to the second mounting frame and is located on one side of the second mounting frame.

[0013] The utility model provides a breathing valve with good sealing performance. When the air pressure in the tank is greater than that in the outside, the air pressure in the tank can push the first plug in the valve body to move and drive the first spring to compress and deform, so that the air outlet pipe is connected with the connecting pipe through the valve body, and then the gas in the tank is discharged from the air outlet pipe. At this time, the air inlet pipe is sealed by the second plug. When the pressure is balanced, the first spring can drive the first plug to rebound and reset. When the air pressure in the tank is less than that in the outside, the external gas pressure can push the second plug to move and drive the second spring When the air inlet pipe is compressed and deformed, the air outlet pipe is sealed by the first plug, so that the air inlet pipe can be connected with the connecting pipe through the valve body, thereby replenishing the gas in the tank body. When the pressure is balanced, the second spring can drive the second plug to rebound and reset, so that when the first plug or the second plug automatically moves due to the pressure difference, the air outlet pipe or the air inlet pipe can be connected with the connecting pipe through the valve body, thereby realizing automatic release of the positive pressure of the tank body, or when the tank body is unloading, it can always open the valve body to replenish the pressure, thereby better maintaining the air pressure balance in the storage tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The present invention can be further described by the non-limiting embodiments given in the accompanying drawings.

[0015] Figure 1 It is a structural schematic diagram of a breathing valve with good sealing performance according to the first embodiment of the utility model.

[0016] Figure 2 It is a structural schematic diagram of the control component of the first embodiment of the utility model.

[0017] Figure 3 It is a structural schematic diagram of the first plug of the first embodiment of the utility model.

[0018] Figure 4 It is a structural schematic diagram of a breathing valve with good sealing performance according to the second embodiment of the utility model.

[0019] Figure 5 It is a schematic structural diagram of a dustproof component of the second embodiment of the utility model.

[0020] In the figure: 101-valve body, 102-connecting pipe, 103-connecting flange, 104-control component, 105-inlet pipe, 106-outlet pipe, 107-first spring, 108-first plug, 109-connecting frame, 110-support plate, 111-second spring, 112-connecting plate, 113-second plug, 114-first fixed seat, 115-second fixed seat, 116-first connecting seat, 117-second connecting seat, 201-dustproof component, 202-first mounting frame, 203-first dustproof net, 204-second mounting frame, 205-second dustproof net. DETAILED DESCRIPTION

[0021] In order to enable those skilled in the art to better understand the present invention, the technical solution of the present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0022] Embodiment 1:

[0023] like Figure 1-3 As shown, Figure 1 It is a structural schematic diagram of a breathing valve with good sealing performance according to the first embodiment of the utility model. Figure 2 It is a structural schematic diagram of the control component of the first embodiment of the utility model. Figure 3 It is a structural schematic diagram of the first plug of the first embodiment of the utility model.

[0024] The utility model provides a breathing valve with good sealing performance, including a valve body 101, a connecting pipe 102, a connecting flange 103 and a control component 104, wherein the control component 104 includes an air inlet pipe 105, an air outlet pipe 106, a first spring 107, a first plug 108, a connecting frame 109, a support plate 110, a second spring 111, a connecting plate 112, a second plug 113, a fixing member and a connecting member, wherein the fixing member includes a first fixing seat 114 and a second fixing seat 115, and the connecting member includes a first connecting seat 116 and a second connecting seat 117. The above-mentioned solution solves the problem that the existing valve body is very inconvenient to use. Usually, when negative pressure appears inside the storage tank and pressure compensation is required, it is generally necessary to drive the pressure compensation switch by external force all the time, which is very energy-consuming, so that the valve body cannot automatically release the positive pressure, or when the tank body is unloading, it can always open the valve body for pressure compensation, and thus cannot maintain the air pressure balance in the storage tank. It can be understood that the above-mentioned solution can be used in the case where automatic pressure relief or pressure compensation is required.

[0025] In this embodiment, the connecting pipe 102 is connected to the valve body 101, and the connecting flange 103 is welded to the connecting pipe 102. The connecting pipe 102 can be externally fixed and connected to the corresponding tank body through the connecting flange 103, and the air pressure in the tank body can be controlled through the valve body 101.

[0026] The air inlet pipe 105 is connected to the valve body 101 and is located on one side of the valve body 101; the air outlet pipe 106 is connected to the valve body 101 and is located on a side of the valve body 101 away from the air inlet pipe 105; the first spring 107 is fixedly connected to the valve body 101 and is located on one side of the valve body 101; the first plug 108 is fixedly connected to the first spring 107 and is located on a side of the first spring 107 close to the valve body 101; the connecting frame 109 is fixedly connected to the first plug 108 and is located on one side of the first plug 108; the support plate 110 is fixedly connected to the connecting frame 109 and is located on one side of the connecting frame 109; The second spring 111 is fixedly connected to the support plate 110 and is located on one side of the support plate 110. The connecting plate 112 is fixedly connected to the second spring 111 and is located on a side of the second spring 111 away from the support plate 110. The second plug 113 is fixedly connected to the connecting plate 112 and is located on a side of the connecting plate 112 close to the first plug 108. The fixing member is provided on the valve body 101 and the first plug 108 and is connected to the first spring 107. The connecting member is provided on the support plate 110 and the connecting plate 112 and is connected to the second spring 111. The air intake pipe 105 is connected to the left side of the valve body 101. The air outlet pipe 106 is connected to the right side of the valve body 101, the first spring 107 is welded in the valve body 101, and the connection support of the first spring 107 is realized by the valve body 101. The first plug 108 is welded on the first spring 107, and the communication channel between the air outlet pipe 106 and the connecting pipe 102 in the valve body 101 can be blocked by the first plug 108. The movement of the first plug 108 can be connected, supported or rebounded by the deformation ability of the first spring 107. There are four connecting frames 109, and the four connecting frames 109 are integrally connected and fixed in the first plug 108. The support plate 110 is integrally connected and fixed to the four The connecting frame 109 can connect and fix the support plate 110 to the first plug 108 through the connecting frame 109, the second spring 111 is welded on the support plate 110, the connecting plate 112 is welded on the second spring 111, and the movement of the connecting plate 112 can be connected and supported or rebounded and reset through the second spring 111, the second plug 113 is connected and fixed to the connecting plate 112, and the communication channel between the intake pipe 105 and the connecting pipe 102 in the valve body 101 can be blocked through the second plug 113, and the fixing member is arranged on the valve body 101 and the first plug 108, and is connected to the first spring 107,The first spring 107 can be better connected and fixed to the valve body 101 and the first plug 108 through the fixing component. The connecting component is arranged on the support plate 110 and the connecting plate 112 and is connected to the second spring 111. The second spring 111 can be better connected and fixed to the support plate 110 and the connecting plate 112 through the connecting component. Therefore, when the air pressure in the tank body is greater than that in the outside, the air pressure in the tank body can push the first plug 108 in the valve body 101 to move and drive the first spring 107 to compress and deform, so that the air outlet pipe 106 is connected with the connecting pipe 102 through the valve body 101, and then the gas in the tank body is discharged from the air outlet pipe 106. At this time, the air inlet pipe 105 is sealed by the second plug 113. When the pressure is balanced, the first spring 107 can drive the The first plug 108 rebounds and resets. When the air pressure in the tank is lower than that in the outside, the outside gas pressure can push the second plug 113 to move and drive the second spring 111 to compress and deform. At this time, the outlet pipe 106 is sealed by the first plug 108, so that the inlet pipe 105 can be connected with the connecting pipe 102 through the valve body 101, so that the gas in the tank can be replenished. When the pressure is balanced, the second spring 111 can drive the second plug 113 to rebound and reset. When the first plug 108 or the second plug 113 automatically moves due to the pressure difference, the outlet pipe 106 or the inlet pipe 105 can be connected with the connecting pipe 102 through the valve body 101, so that the tank can automatically release the positive pressure, or when the tank is unloading, it can always open the valve body 101 to replenish the pressure, so as to better maintain the air pressure balance in the storage tank.

[0027] Secondly, the first fixing seat 114 is fixedly connected to the valve body 101 and the first spring 107 respectively, and the first fixing seat 114 is located on the side of the valve body 101 close to the first spring 107; the second fixing seat 115 is fixedly connected to the first plug 108 and the first spring 107 respectively, and the second fixing seat 115 is located on the side of the first plug 108 close to the first spring 107, the first fixing seat 114 is welded to the valve body 101 and one end of the first spring 107, and one end of the first spring 107 can be connected and fixed to the valve body 101 through the first fixing seat 114, and the second fixing seat 115 is welded to the first plug 108 and the other end of the second spring 111 body, and the other end of the first spring 107 can be connected and fixed to the first plug 108 through the second fixing seat 115, so that the two ends of the first spring 107 body can be more stably connected and fixed between the valve body 101 and the first plug 108 through the first fixing seat 114 and the second fixing seat 115.

[0028] Finally, the first connecting seat 116 is fixedly connected to the support plate 110 and the second spring 111 respectively, and the first connecting seat 116 is located on a side of the support plate 110 close to the second spring 111; the second connecting seat 117 is fixedly connected to the connecting plate 112 and the second spring 111 respectively, and the second connecting seat 117 is located on a side of the connecting plate 112 close to the second spring 111, the first connecting seat 116 is welded to one end of the support plate 110 and the second spring 111, and one end of the second spring 111 can be connected and fixed to the support plate 110 through the first connecting seat 116, and the second connecting seat 117 is welded to the other end of the connecting plate 112 and the second spring 111 body, and the other end of the second spring 111 can be connected and fixed to the support plate 110 through the second connecting seat 117, so that the two ends of the second spring 111 body can be more stably connected and fixed between the support plate 110 and the connecting plate 112 through the first connecting seat 116 and the second connecting seat 117.

[0029] When using a breathing valve with good sealing performance according to the present embodiment, when the air pressure in the tank is greater than that in the outside, the air pressure in the tank can push the first plug 108 in the valve body 101 to move and drive the first spring 107 to compress and deform, so that the outlet pipe 106 is connected with the connecting pipe 102 through the valve body 101, and then the gas in the tank is discharged from the outlet pipe 106. At this time, the air inlet pipe 105 is sealed by the second plug 113. When the pressure is balanced, the first spring 107 can drive the first plug 108 to rebound and reset. When the air pressure in the tank is less than that in the outside, the external gas pressure can push the second plug 113 to move and drive the second spring 111 to compress. When the pressure is balanced, the second spring 111 can drive the second plug 113 to rebound and reset, so that when the first plug 108 or the second plug 113 automatically moves due to the pressure difference, the air outlet pipe 106 or the air inlet pipe 105 can be connected with the connecting pipe 102 through the valve body 101, so as to realize the automatic release of the positive pressure of the tank, or when the tank is unloading, it can always open the valve body 101 to replenish the pressure, so as to better maintain the air pressure balance in the storage tank.

[0030] The second embodiment of the present application is:

[0031] Based on the first embodiment, please refer to Figure 4 and Figure 5 , Figure 4 It is a structural schematic diagram of a breathing valve with good sealing performance according to the second embodiment of the utility model. Figure 5 It is a schematic structural diagram of a dustproof component of the second embodiment of the present utility model.

[0032] The utility model provides a breathing valve with good sealing performance, which also includes a dustproof component 201. The dustproof component 201 includes a first mounting frame 202, a first dustproof net 203, a second mounting frame 204 and a second dustproof net 205.

[0033] The first mounting frame 202 is fixedly connected to the air inlet pipe 105 and is located on one side of the air inlet pipe 105; the first dustproof net 203 is fixedly connected to the first mounting frame 202 and is located on one side of the first mounting frame 202; the second mounting frame 204 is fixedly connected to the air outlet pipe 106 and is located on one side of the air outlet pipe 106; the second dustproof net 205 is fixedly connected to the second mounting frame 204 and is located on one side of the second mounting frame 204, the first mounting frame 202 is welded to the air inlet pipe 105, the first dustproof net 203 is fixedly installed on the first mounting frame 202 with bolts, and the first mounting frame 204 is fixedly connected to the air outlet pipe 106. The frame 202 can connect and fix the first dustproof net 203 to the air inlet pipe 105, the second mounting frame 204 is welded to the air outlet pipe 106, and the second dustproof net 205 is bolted and fixed to the second mounting frame 204. The second dustproof net 205 can be connected and fixed to the air outlet pipe 106 through the second mounting frame 204, so that the first dustproof net 203 and the second dustproof net 205 can absorb and block dust in the air, preventing dust in the air from entering the valve body 101 through the air inlet pipe 105 and the air outlet pipe 106, thereby avoiding the accumulation of dust in the valve body 101.

[0034] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the technology may modify or change the above embodiments without violating the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the relevant technical field without departing from the spirit and technical ideas disclosed in the present invention shall still be covered by the claims of the present invention.

Claims

1. A breathing valve with good sealing performance, comprising a valve body, a connecting pipe and a connecting flange, wherein the connecting pipe is connected to the valve body and is located on one side of the valve body, and the connecting flange is fixedly connected to the connecting pipe and is located on one side of the connecting pipe, characterized in that: Also includes control components, The control assembly includes an air inlet pipe, an air outlet pipe, a first spring, a first plug, a connecting frame, a support plate, a second spring, a connecting plate, a second plug, a fixing member and a connecting member. The air inlet pipe is connected to the valve body and is located on one side of the valve body. The air outlet pipe is connected to the valve body and is located on a side of the valve body away from the air inlet pipe. The first spring is fixedly connected to the valve body and is located on one side of the valve body. The first plug is fixedly connected to the first spring and is located on a side of the first spring close to the valve body. The connecting frame is fixedly connected to the first plug and is located on a side of the first plug. The support plate is fixedly connected to the connecting frame and is located on one side of the connecting frame. The second spring is fixedly connected to the support plate and is located on one side of the support plate. The connecting plate is fixedly connected to the second spring and is located on a side of the second spring away from the support plate. The second plug is fixedly connected to the connecting plate and is located on a side of the connecting plate close to the first plug. The fixing member is arranged on the valve body and the first plug and is connected to the first spring. The connecting member is arranged on the support plate and the connecting plate and is connected to the second spring.

2. The breathing valve with good sealing performance as claimed in claim 1, characterized in that: The fixing member includes a first fixing seat and a second fixing seat, the first fixing seat is fixedly connected to the valve body and the first spring respectively, and the first fixing seat is located on a side of the valve body close to the first spring; the second fixing seat is fixedly connected to the first plug and the first spring respectively, and the second fixing seat is located on a side of the first plug close to the first spring.

3. The breathing valve with good sealing performance as claimed in claim 1, characterized in that: The connecting member includes a first connecting seat and a second connecting seat, the first connecting seat is fixedly connected to the support plate and the second spring respectively, and the first connecting seat is located on a side of the support plate close to the second spring; the second connecting seat is fixedly connected to the connecting plate and the second spring respectively, and the second connecting seat is located on a side of the connecting plate close to the second spring.

4. The breathing valve with good sealing performance as claimed in claim 1, characterized in that: The control component also includes a dustproof component, which includes a first mounting bracket and a first dustproof net. The first mounting bracket is fixedly connected to the air intake pipe and is located on one side of the air intake pipe; the first dustproof net is fixedly connected to the first mounting bracket and is located on one side of the first mounting bracket.

5. The breathing valve with good sealing performance as claimed in claim 4, characterized in that: The dustproof component also includes a second mounting frame and a second dustproof net, wherein the second mounting frame is fixedly connected to the air outlet pipe and is located at one side of the air outlet pipe; the second dustproof net is fixedly connected to the second mounting frame and is located at one side of the second mounting frame.

Images