CN220185996U - High-precision low-noise air valve structure - Google Patents

Abstract

The utility model relates to the technical field of air valve structures and discloses a high-precision low-noise air valve structure, which comprises a valve seat, a valve head and an air pressure sensor, wherein the valve seat and the valve head are movably connected through threads, the inner wall of the valve seat is provided with a chute, the inside of the valve seat is movably provided with an air charging core, the outer side of the air charging core is fixedly provided with a first push ring, the first push ring is movably arranged on the chute of the valve seat, the upper end of the first push ring is fixedly provided with a reset spring, the outer side of the bottom of the air charging core is provided with a plurality of vent holes, and the bottom end of the air charging core is fixedly provided with a conical head.

Description

High-precision low-noise air valve structure

Technical Field

The utility model relates to the technical field of air valve structures, in particular to a high-precision low-noise air valve structure.

Background

In the use of traditional valve, there is great noise, according to retrieving the patent of publication number CN2018218642660, an inflation valve with noise function of making an uproar is disclosed, including the inflation valve body, the inflation valve body comprises the disk seat, case and valve mouth, valve mouth one end is equipped with the external screw thread, the valve mouth passes through the external screw thread of front end and the inside internal thread threaded connection who sets up of disk seat rear end, disk seat central point is located to the case, and case one end stretches into valve mouth central point and put the setting, and the case is close to the one end of disk seat and is equipped with the cone type head, the cone type head stretches into the inside setting of disk seat, and the cone type head stretches into the inside position conflict of disk seat and is connected with reset spring, the air vent has been seted up on the case of cone type head rear end.

Above-mentioned patent is through setting up built-in screw thread, rubber circle, and the case is inside to set up the air vent and is reached the effect of making an uproar that falls, but the case of this patent is when using directly striking reset spring repeatedly causes reset spring's damage easily, and the device is when using direct impact of some chemical gas to reset spring simultaneously, probably can lead to the fact the corruption to reset spring, and then influences reset spring's life, then, has the reason to this, research improvement to current structure and loss, provides a high accuracy low noise pneumatic valve structure to the purpose that has more practical value is reached.

Disclosure of Invention

In order to overcome the above-mentioned drawbacks of the prior art, the present utility model provides a high-precision low-noise air valve structure to solve the above-mentioned problems in the prior art.

The utility model provides the following technical scheme: the utility model provides a high accuracy low noise pneumatic valve structure, includes disk seat, valve head, air pressure sensor, through screw thread swing joint between disk seat and the valve head, the disk seat inner wall is provided with the spout, the inside movable mounting of disk seat has the inflatable core, inflatable core outside fixed mounting has first push ring, first push ring activity sets up at the disk seat spout, first push ring upper end fixed mounting has reset spring, inflatable core bottom outside is provided with a plurality of air vents of quantity, inflatable core bottom fixed mounting has the cone, the activity of cone outside is contradicted the disk seat inner wall.

Further, the air inflation core and the valve seat are provided with a first sealing ring, the first sealing ring is fixedly arranged on the inner wall of the valve seat, the air inflation core and the valve seat are sealed through the first sealing ring, and surface gas and the reset spring are in direct contact.

Further, the second limiting ring is arranged above the vent hole of the inflatable core, the second limiting ring is fixedly arranged on the outer side of the inflatable core, the upper end of the second limiting ring is movably abutted against the inner wall of the valve seat, the moving distance of the inflatable core is limited through the second limiting ring, and the phenomenon that the inflatable core is retracted into the abutted position of the inflatable core and the inner wall of the valve seat by the vent hole of the inflatable core after being pushed by gas is avoided, so that the air intake of the inflatable core is influenced.

Further, two symmetrical guide blocks are fixedly arranged on the upper portion of the outer side of the inflatable core, sliding grooves corresponding to the guide blocks are formed in the inner wall of the valve head, when the valve head is required to be mounted on the valve seat, the valve head is aligned to the guide blocks, connection between the valve head and the valve seat is guided, and meanwhile the moving stability of the inflatable core is enhanced.

Further, the valve seat and the valve head are provided with second sealing gaskets on the surfaces close to each other, the connection tightness between the valve seat and the valve head is enhanced through the second sealing gaskets, and external air is prevented from entering from the connection part of the valve seat and the valve head, so that corrosion is caused to internal parts of the valve seat.

Further, the valve seat is arranged in an interlayer mode, sound insulation materials are filled in the interlayer of the valve seat, sound generated by internal gas vibration of the valve seat is reduced through the arrangement of the sound insulation materials, and accordingly noise generated in the using process of the device is reduced.

The utility model has the technical effects and advantages that:

1. according to the utility model, the inflatable core, the first push ring and the reset spring are arranged, and when the device is used, the reset spring is arranged in the chute of the valve seat, so that the reset spring is prevented from being directly impacted by gas passing through the device in the normal use process, and further, the corrosion prevention of some chemical gas on the reset spring in the use process is prevented, the normal service life of the reset spring is ensured, and the practicability of the device is greatly improved.

2. According to the utility model, the sound insulation material is filled in the valve seat interlayer, and when the device is used, the sound generated by the internal gas vibration of the valve seat is reduced through the arrangement of the sound insulation material, so that the noise generated in the use process of the device is reduced, and the practicability of the device is greatly improved.

Drawings

Fig. 1 is a schematic perspective view of a sectional structure of the present utility model.

Fig. 2 is a schematic perspective view of the structure of the present utility model.

Fig. 3 is a schematic perspective view of the inflatable core structure of the present utility model.

Fig. 4 is a schematic perspective view of the valve head structure of the present utility model.

The reference numerals are: 100. a valve seat; 101. a valve head; 102. an air pressure sensor; 110. an inflatable core; 111. a first push ring; 112. a return spring; 113. a conical head; 114. a second limiting ring; 115. a first seal ring; 116. a sound insulating material; 117. a second sealing gasket; 118. and a guide block.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Embodiment one: referring to fig. 1-4, the high-precision low-noise air valve structure provided by the utility model comprises a valve seat 100, a valve head 101 and an air pressure sensor 102, wherein the valve seat 100 and the valve head 101 are movably connected through threads, a chute is formed in the inner wall of the valve seat 100, an air filling core 110 is movably mounted in the valve seat 100, a first push ring 111 is fixedly mounted on the outer side of the air filling core 110, the first push ring 111 is movably arranged in the chute of the valve seat 100, a reset spring 112 is fixedly mounted on the upper end of the first push ring 111, a plurality of vent holes are formed in the outer side of the bottom of the air filling core 110, a conical head 113 is fixedly mounted at the bottom end of the air filling core 110, and the outer side of the conical head 113 is movably abutted against the inner wall of the valve seat 100.

Working principle: when the device is used, gas enters from the bottom air inlet of the valve seat 100, under the action of pressure of the entering gas, the conical head 113 is pushed, so that the conical head 113 drives the air filling core 110 to move, the first push ring 111 pushes the return spring 112 to compress, at the moment, the gas entering the valve seat 100 passes through the air filling core 110 through the vent hole of the air filling core 110, is discharged from the upper end of the valve head 101, the device is detected by the air pressure sensor 102 at the air inlet and the air outlet, so that the air inlet and outlet pressure is kept consistent, and when the device is not needed to be used, the return force of the return spring 112 pushes the conical head 113 at the lower end of the air filling core 110 to prop against the inner wall of the valve seat 100, so that an air inlet and outlet channel is blocked.

Embodiment two:

the second embodiment differs from the first embodiment in that: the valve seat 100 adopts the intermediate layer setting, and the valve seat 100 intermediate layer intussuseption is filled with insulating material 116, during the use, is sealed to the interference face of inflating core 110 and valve seat 100 through first sealing washer 115, strengthens the sound insulation effect of valve seat 100 through insulating material 116, seals the connection between valve head 101 and valve seat 100 through second sealing washer 117, restricts the travel distance of inflating core 110 through second limiting ring 114, through the spout with the guide block 118 card into valve head 101, guide the installation of valve head 101.

Finally: the foregoing is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the utility model, but rather as various modifications, equivalent arrangements, improvements, etc., within the spirit and principles of the present utility model.

Claims (6)

1. The utility model provides a high accuracy low noise pneumatic valve structure, includes disk seat (100), valve head (101), air pressure sensor (102), through screw thread swing joint between disk seat (100) and valve head (101), disk seat (100) inner wall is provided with spout, its characterized in that: the inside movable mounting of disk seat (100) has inflatable core (110), inflatable core (110) outside fixed mounting has first push ring (111), first push ring (111) activity sets up at disk seat (100) spout, first push ring (111) upper end fixed mounting has reset spring (112), inflatable core (110) bottom outside is provided with a plurality of air vents, inflatable core (110) bottom fixed mounting has conical head (113), conical head (113) outside activity is contradicted disk seat (100) inner wall.

2. A high precision low noise air valve structure according to claim 1, wherein: the inflatable core (110) and the valve seat (100) are provided with a first sealing ring (115) on the abutting surface, and the first sealing ring (115) is fixedly installed on the inner wall of the valve seat (100).

3. A high precision low noise air valve structure according to claim 1, wherein: the upper part of the vent hole of the inflatable core (110) is provided with a second limiting ring (114), the second limiting ring (114) is fixedly arranged on the outer side of the inflatable core (110), and the upper end of the second limiting ring (114) is movably abutted against the inner wall of the valve seat (100).

4. A high precision low noise air valve structure according to claim 1, wherein: two symmetrical guide blocks (118) are fixedly arranged on the upper portion of the outer side of the inflatable core (110), and sliding grooves corresponding to the guide blocks (118) are formed in the inner wall of the valve head (101).

5. A high precision low noise air valve structure according to claim 1, wherein: a second sealing gasket (117) is arranged on the surface, close to each other, of the valve seat (100) and the valve head (101).

6. A high precision low noise air valve structure according to claim 1, wherein: the valve seat (100) is arranged in an interlayer, and the interlayer of the valve seat (100) is filled with a sound insulation material (116).