CN214534695U

CN214534695U - Pressure regulating valve

Info

Publication number: CN214534695U
Application number: CN202022743416.6U
Authority: CN
Inventors: 罗庆均
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2021-10-29
Anticipated expiration: 2030-11-24

Abstract

The utility model discloses an air-vent valve, which comprises a valve body, the intake pipe, manometer and the switch of ventilating, air inlet and gas outlet have been seted up on the valve body outer wall, the top at the valve body is installed to the manometer, be provided with pressure measurement passageway and pressure regulating passageway in the valve body, the both ends of pressure regulating passageway are located air inlet and gas outlet department respectively, the both ends of pressure measurement passageway communicate respectively to air inlet and manometer, the air inlet pipe tip is located air inlet department, the switch of ventilating is installed on the intake pipe outer wall, the state of ventilating of on-off control pressure regulating passageway of ventilating, manometer and the switch of ventilating all set up towards the valve body top. The switch of ventilating is controlled for the pressure regulating passageway switches on, and inside gas got into to the valve body from the air inlet via the intake pipe this moment, gas got into behind the valve body partly via the pressure regulating passageway and go to the gas outlet, and another part carries out pressure measurement via pressure measuring channel flow direction manometer.

Description

Pressure regulating valve

[ technical field ] A method for producing a semiconductor device

The utility model relates to an air-vent valve belongs to the valve field.

[ background of the invention ]

In the existing pressure regulating valve, a pressure gauge and a switch for controlling the on-off of the pressure regulating valve are respectively positioned at the upper side and the lower side of the pressure regulating valve, if the switch is operated, the pressure gauge cannot be observed, if the pressure gauge is observed, the switch cannot be operated, and the use is very inconvenient.

[ Utility model ] content

The utility model aims to solve the technical problem that the shortage in the prior art is overcome and a more convenient air-vent valve is provided.

Solve the technical problem, the utility model discloses a following technical scheme:

the utility model provides an air-vent valve, which comprises a valve body, the intake pipe, manometer and the switch of ventilating, air inlet and gas outlet have been seted up on the valve body outer wall, the top at the valve body is installed to the manometer, be provided with pressure measurement passageway and pressure regulating passageway in the valve body, the both ends of pressure regulating passageway are located air inlet and gas outlet department respectively, the both ends of pressure measurement passageway communicate respectively to air inlet and manometer, the air inlet tip is located air inlet department, the switch of ventilating is installed on the intake pipe outer wall, the state of ventilating of switch control pressure regulating passageway of ventilating, manometer and the switch of ventilating all set up towards the valve body top.

The utility model has the advantages that:

the switch of ventilating is controlled for the pressure regulating passageway switches on, and inside gas got into to the valve body from the air inlet via the intake pipe this moment, gas got into behind the valve body partly via the pressure regulating passageway and go to the gas outlet, and another part carries out pressure measurement via pressure measuring channel flow direction manometer. The manometer is located the top of valve body, and consequently the user just can read the pressure numerical value of gas very easily, and the switch of ventilating not only is located the admission pipe outer wall, and unanimous with the valve body moreover, all sets up towards the valve body top, therefore the user can be simultaneously just to manometer and switch of ventilating, can also operate the switch of ventilating simultaneously very easily when surveing the manometer, and the simple operation nature of whole air-vent valve is showing and is promoting.

The valve body includes valve body and lower valve body, and the pressure measurement passageway is including the pressure measurement passageway of being located down in the valve body and being located the pressure measurement passageway of valve body down, and the lower extreme of passageway communicates to the air inlet under the pressure measurement, and the upper end of passageway communicates to the lower extreme of passageway on the pressure measurement under the pressure measurement, and the upper end of passageway communicates to the manometer on the pressure measurement, and the junction of the upper end of passageway and the lower extreme of pressure measurement passageway is provided with the sealing washer under the pressure measurement.

The manometer includes the dial plate, and the dial plate exposes in the valve body, and the switch of ventilating includes the button that sets up along the radial activity of intake pipe, and the dial plate normal is on a parallel with the activity direction of button, is provided with the switching subassembly in the pressure regulating passageway, presses the button in order to control the switching subassembly action, and the switching subassembly is controlled the intercommunication state of air inlet and pressure regulating passageway.

Switch still includes micro-gap switch, and the micro-gap switch electricity is connected to the switching subassembly, and the button is through triggering micro-gap switch control switching subassembly action.

Switching subassembly is including rotating the pivot of setting in the pressure regulating passageway, and the one end of pivot is provided with sealed piece, and the pivot is rotated and is left or the junction of shutoff pressure regulating passageway and air inlet with the sealed piece of control.

The switching subassembly still includes elastic diaphragm and sets up in the connecting piece of the pivot other end, goes up the valve body and compresses tightly elastic diaphragm's edge under on the valve body, the tip of pivot passes through the connecting piece to be connected with elastic diaphragm's center.

Go up and be provided with the chamber that resets in the valve body, the switching subassembly still includes reset spring, and the manometer is located the top in chamber that resets, and reset spring's both ends push up respectively in manometer and elastic diaphragm's centre.

Seted up the spout in the pivot, the connecting piece includes the connecting rod, sets up in the holding block of connecting rod upper end and sets up the sliding block at the connecting rod lower extreme, and the sliding block slides and sets up in the spout, and the center of holding block and elastic diaphragm is fixed.

The air-vent valve still includes the table lid, and the table lid compresses tightly the manometer at the top of valve body, and the table lid closes the junction of the upper end of passageway and manometer on the pressure measurement.

The upper end of passageway is provided with sealing screw with the junction of manometer on the pressure measurement, and the manometer passes through sealing screw with last valve body and connects.

Other features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.

[ description of the drawings ]

The invention will be further explained with reference to the drawings:

fig. 1 is a schematic perspective view of a pressure regulating valve according to an embodiment of the present invention;

fig. 2 is a schematic top view of a pressure regulating valve according to an embodiment of the present invention;

FIG. 3 is a schematic view of the cross-sectional structure taken along the line A-A in FIG. 2;

fig. 4 is a first schematic diagram of an explosion structure of the pressure regulating valve according to the embodiment of the present invention;

fig. 5 is a schematic diagram of an explosion structure of the pressure regulating valve according to the embodiment of the present invention.

[ detailed description ] embodiments

The technical solutions of the embodiments of the present invention are explained and explained below with reference to the drawings of the embodiments of the present invention, but the embodiments described below are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the embodiment, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

In the following description, the appearances of the indicating orientation or positional relationship, such as the terms "inner", "outer", "upper", "lower", "left", "right", etc., are only for convenience in describing the embodiments and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.

Example (b):

referring to fig. 1 to 5, the present embodiment provides a pressure regulating valve, which includes a valve body, an air inlet pipe 3, an air outlet pipe 8, a gauge cover 4, a pressure gauge, and a ventilation switch.

Specifically, the valve body comprises an upper valve body 2 and a lower valve body 1, and the pressure gauge comprises a gauge body 72 and a dial 71 arranged at the top of the gauge body 72.

An air inlet 13 and an air outlet 14 are formed in the outer wall of the lower valve body 1, a pressure regulating channel 15 is arranged in the lower valve body 1, two ends of the pressure regulating channel 15 are respectively located at the air inlet 13 and the air outlet 14, an opening and closing assembly is arranged in the pressure regulating channel 15, the opening and closing assembly controls the communication state of the air inlet 13 and the pressure regulating channel 15, and further controls the working state of the pressure regulating valve, when the air inlet 13, the pressure regulating channel 15 and the air outlet 14 are sequentially communicated, the pressure regulating valve normally works, and when the air inlet 13 and the pressure regulating channel 15 are disconnected, the pressure regulating valve stops working. The action of the opening and closing assembly is controlled by the ventilation switch.

The end of the intake pipe 3 is located at the intake port 13, and the intake pipe 3 supplies air to the intake port 13. The end of the outlet pipe 8 is installed at the outlet 14, and when gas passes through the pressure regulating passage 15, the gas is discharged from the outlet 14 through the outlet pipe 8. In this embodiment, the air inlet pipe 3 and the air outlet pipe 8 are both round pipes and are all horizontally arranged.

Go up the valve body 2 and install at the top of valve body 1 down, the manometer is installed at the top of last valve body 2, and table lid 4 compresses tightly table body 72 at the top of last valve body 2, and dial plate 71 then exposes in table lid 4 and is located the top of last valve body 2 to the user is from last down observing dial plate 71. Wherein, the switching module includes elastic diaphragm 61, goes up valve body 2 and compresses tightly the edge of elastic diaphragm 61 on lower valve body 1, is provided with chamber 22 that resets in going up valve body 2, and elastic diaphragm 61 prevents that the interior gas of pressure regulating passageway 15 from getting into chamber 22 that resets.

Be provided with pressure measurement lower passageway 11 in the lower valve body 1, be provided with pressure measurement upper passageway 21 in the upper valve body 2, the lower extreme of pressure measurement lower passageway 11 directly communicates to air inlet 13, the upper end of pressure measurement lower passageway 11 communicates to the lower extreme of pressure measurement upper passageway 21, the upper end of pressure measurement upper passageway 21 communicates to table body 72, pressure measurement lower passageway 11 and pressure measurement upper passageway 21 have constituteed the pressure measurement passageway, air inlet 13 department gas partly can get into pressure regulating passageway 15, another part then can get into table body 72 through the pressure measurement passageway and measure, it can reach the table body 72 that is located the top of upper valve body 2 to make the gas that is located lower valve body 1 through pressure measurement upper passageway 21.

In order to improve the airtightness between the air inlet 13 and the watch body 72, a seal 9 is provided at the junction of the upper end of the pressure measuring lower passage 11 and the lower end of the pressure measuring upper passage 21, and a seal 9 is also provided at the junction of the upper end of the pressure measuring upper passage 21 and the watch body 72.

Further, the case lid 4 is also fitted over the junction of the upper end of the pressure measurement upper passage 21 and the case body 72 to further improve the airtightness of the junction of the upper end of the pressure measurement upper passage 21 and the case body 72 by the case lid 4.

Preferably, a sealing screw 91 is further arranged at the joint of the upper end of the pressure measuring upper channel 21 and the meter body 72, the meter body 72 is in threaded connection with the upper valve body 2 through the sealing screw 91, the sealing screw 91 improves the connection strength of the meter body 72 and the upper valve body 2, and meanwhile, the airtightness of the joint of the upper end edge of the pressure measuring upper channel 21 and the meter body 72 is improved, and gas is prevented from leaking from the joint of the upper end of the pressure measuring upper channel 21 and the meter body 72.

Of course, a certain gap is left at the connection position of the upper end of the pressure measuring upper channel 21 and the watch body 72 in the lateral direction of the sealing screw 91 to prevent the sealing screw 91 from blocking the gas from flowing from the upper end of the pressure measuring upper channel 21 to the watch body 72.

Conventionally, the air-vent valve still includes the control panel, and the air switch includes micro-gap switch and the button 5 that radially moves about along intake pipe 3 and sets up, and micro-gap switch electricity is connected to the control panel, presses once button 5 and just can trigger micro-gap switch, and micro-gap switch just can send the signal to the control panel, by the action of control panel control switching subassembly, switches the connected state of pressure regulating passageway 15 and air inlet 13, makes to be in disconnection or the conducting state between pressure regulating passageway 15 and the air inlet 13. The button 5 may be provided with a reset element such as a spring, and the button 5 is automatically reset in the air inlet pipe 3 by the reset element when the user releases the button 5.

The dial plate 71 is towards the setting of last valve body 2 top, and button 5 is the same towards the setting of last valve body 2 top to make button 5 and dial plate 71 towards user's eyes simultaneously, the user can press button 5 simultaneously when reading dial plate 71, with the simple operation nature of promotion user to the pressure regulating valve, if dial plate 71 registration is unusual, can also in time close the air-vent valve, the security of air-vent valve also obtains the promotion.

Dial 71 is located right below the eyes of the user, the normal of dial 71 is a vertical straight line, and accordingly, in order to facilitate reading of dial 71 and simultaneous pressing of button 5, the normal of dial 71 is parallel to the moving direction of button 5.

The opening and closing assembly comprises a rotating shaft 62, the rotating shaft 62 rotates in a vertical plane in the pressure regulating channel 15, a sealing block 65 is arranged at the end part (the right end of the rotating shaft 62 in the embodiment) of the rotating shaft 62, which is close to the air inlet 13, the rotating shaft 62 is controlled to rotate by the control panel according to a received signal, and the rotating shaft 62 drives the sealing block 65 to leave or block the joint of the pressure regulating channel 15 and the air inlet 13. When the sealing block 65 leaves the joint of the pressure regulating channel 15 and the air inlet 13, the pressure regulating channel 15 is communicated with the air inlet 13, and the sealing block 65 seals the joint of the pressure regulating channel 15 and the air inlet 13, so that the pressure regulating channel 15 is disconnected from the air inlet 13.

The opening and closing assembly further comprises a return spring 63 and a connecting piece arranged at the left end of the rotating shaft 62, and the left end of the rotating shaft 62 is connected with the center of the elastic membrane 61 through the connecting piece. The rotation of the shaft 62 drives the center of the elastic membrane 61 to move up and down and deform. The reset spring 63 is located in the reset cavity 22, the watch body 72 is fixed at the top of the reset cavity 22, and two ends of the reset spring 63 are respectively pressed against the watch body 72 and the elastic diaphragm 61, so that the reset spring 63 is deformed in the deformation process of the middle part of the elastic diaphragm 61.

The shaft 62 has a sliding slot 621 along the axial direction, and the connecting member includes a connecting rod 641, a fastening block 642 fixed at the upper end of the connecting rod 641, and a sliding block 643 fixed at the lower end of the connecting rod 641. The fastening block 642 is fixed to the center of the elastic membrane 61, and since the sliding block 643 is always located at the center of the elastic membrane 61, the edge of the elastic membrane 61 is fixed by the upper valve body 2 and the lower valve body 1, the sliding slot 621 is driven to rotate during the rotation of the rotating shaft 62, so that the sliding block 643 slides in the sliding slot 621, and the sliding block 643 moves in the vertical direction to cause the center portion of the elastic membrane 61 to deform.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that the present invention includes but is not limited to the contents described in the drawings and the above specific embodiments. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.

Claims

1. The utility model provides an air-vent valve, a serial communication port, the power distribution valve comprises a valve body, the intake pipe, manometer and the switch of ventilating, air inlet and gas outlet have been seted up on the valve body outer wall, the top at the valve body is installed to the manometer, be provided with pressure measurement passageway and pressure regulating passageway in the valve body, the both ends of pressure regulating passageway are located air inlet and gas outlet department respectively, the both ends of pressure measurement passageway communicate respectively to air inlet and manometer, the air inlet pipe tip is located air inlet department, the switch of ventilating is installed on the intake pipe outer wall, the state of ventilating of switch control pressure regulating passageway of ventilating, manometer and switch of ventilating all set up towards the valve body top.

2. The pressure regulating valve according to claim 1, wherein the valve body comprises an upper valve body and a lower valve body, the pressure measuring channel comprises a pressure measuring lower channel positioned in the lower valve body and a pressure measuring upper channel positioned in the upper valve body, the lower end of the pressure measuring lower channel is communicated to the air inlet, the upper end of the pressure measuring lower channel is communicated to the lower end of the pressure measuring upper channel, the upper end of the pressure measuring upper channel is communicated to the pressure gauge, and a sealing ring is arranged at the joint of the upper end of the pressure measuring lower channel and the lower end of the pressure measuring upper channel.

3. The pressure regulating valve according to claim 2, wherein said pressure gauge includes a dial plate exposed from the valve body, the vent switch includes a button movably disposed along the radial direction of the inlet pipe, the normal line of the dial plate is parallel to the moving direction of the button, an opening and closing member is disposed in the pressure regulating passage, the button is pressed to control the operation of the opening and closing member, and the opening and closing member controls the communication state of the inlet port and the pressure regulating passage.

4. The pressure regulating valve according to claim 3, wherein said vent switch further comprises a micro switch electrically connected to said opening and closing assembly, said push button controlling said opening and closing assembly by activating said micro switch.

5. The pressure regulating valve according to claim 4, wherein said opening and closing assembly includes a rotating shaft rotatably disposed in the pressure regulating passage, a sealing block is disposed at one end of the rotating shaft, and the rotating shaft rotates to control the sealing block to leave or block the connection between the pressure regulating passage and the air inlet.

6. The pressure regulating valve according to claim 5, wherein said opening and closing member further comprises an elastic diaphragm and a connecting member provided at the other end of the rotary shaft, the upper valve body presses the edge of the elastic diaphragm against the lower valve body, and the end of the rotary shaft is connected to the center of the elastic diaphragm through the connecting member.

7. The pressure regulating valve according to claim 6, wherein a reset cavity is arranged in said upper valve body, the opening and closing assembly further comprises a reset spring, the pressure gauge is positioned at the top of the reset cavity, and two ends of the reset spring are respectively supported in the middle of the pressure gauge and the elastic diaphragm.

8. The pressure regulating valve according to claim 6, characterized in that said rotating shaft is provided with a sliding groove, the connecting member comprises a connecting rod, a fastening block arranged at the upper end of the connecting rod and a sliding block arranged at the lower end of the connecting rod, the sliding block is slidably arranged in the sliding groove, and the fastening block and the center of the elastic membrane are fixed.

9. The pressure regulating valve according to claim 3, further comprising a cover for pressing the pressure gauge against the top of the valve body, the cover covering the connection between the upper end of the pressure measuring channel and the pressure gauge.

10. The pressure regulating valve according to claim 3, characterized in that a sealing screw is arranged at the joint of the upper end of the pressure measuring upper channel and the pressure gauge, and the pressure gauge and the upper valve body are connected through the sealing screw.