CN218267426U

CN218267426U - Safe air release valve

Info

Publication number: CN218267426U
Application number: CN202222403141.0U
Authority: CN
Inventors: 万从荣
Original assignee: JIANGSU ACOME CAMPING SUPPLIES CO Ltd
Current assignee: JIANGSU ACOME CAMPING SUPPLIES CO Ltd
Priority date: 2022-09-09
Filing date: 2022-09-09
Publication date: 2023-01-10
Anticipated expiration: 2032-09-09

Abstract

The utility model discloses a safe release valve, including disk seat, case and valve cap, the valve pocket that link up from top to bottom is equipped with in the disk seat, the fixed case pipe that link up from top to bottom that is provided with of valve pocket, the case activity is inserted and is established the case is intraductal, the valve cap sets up the top of case, just the valve cap is located the top of valve pocket is used for sealing the upper end opening of valve pocket, the bottom of case is provided with the drive head, the drive head with the case pipe passes through spring elastic connection. The utility model provides a safe release valve installs release valve on the disappointing mouth of gas tube, when the atmospheric pressure in the gas tube was greater than the spring and to the elastic support power of driving head, gaseous jack-up that makes progress the driving head in the gas tube, case edge case pipe rebound on the driving head, with the valve cap from the upper end opening jack-up of valve pocket, it is gaseous by the valve pocket discharge, thereby reduce the atmospheric pressure in the gas tube, prevent that atmospheric pressure from too big crowded inflation tube that explodes, promote the security of tent gas tube support.

Description

Safe air release valve

Technical Field

The utility model relates to a tent technical field, concretely relates to safe release valve.

Background

The tent is widely used in various activities such as travel and leisure, and is used for supporting a shed which is used for shielding wind, rain and sunlight and providing temporary activities on the ground. In order to facilitate carrying and loading and unloading of the tent in practical application, the inflation tube is used as a tent support, when the tent is built, the inflation tube only needs to be inflated, the inflation tube is expanded to form the tent support with certain rigidity by utilizing the gas pressure characteristic, and in the using process, if the inflation is excessive, the pressure inside the air tube is too large, and the explosion and the rupture of the inflation tube can be caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a safe snuffle valve is used for solving above-mentioned problem.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a safe release valve, includes disk seat, case and valve cap, the valve pocket that link up from top to bottom is equipped with in the disk seat, the fixed case pipe that link up from top to bottom that is provided with of valve pocket, the case activity is inserted and is established in the case pipe, the valve cap sets up the top of case, just the valve cap is located the top of valve pocket is used for sealing the upper end opening of valve pocket, the bottom of case is provided with the drive head, the drive head with the case pipe passes through spring elastic connection.

Preferably, the top end of the valve core is fixedly provided with an installation head, the top end of the installation head is provided with a screw hole, and the valve cap is provided with a screw for locking into the screw hole.

Preferably, the bottom of valve cap is provided with sealed the pad, the external diameter of valve cap and sealed pad all is greater than the bore of the upper end opening of valve chamber.

Preferably, the outer wall of the valve core pipe is fixedly connected with the inner wall of the valve cavity through a connecting rib.

Preferably, the bottom side of the connecting rib and the top side of the driving head are respectively provided with an upper connecting groove and a lower connecting groove, and the top end and the bottom end of the spring are respectively fixedly connected in the upper connecting groove and the lower connecting groove.

Preferably, still include the mount pad, the mount pad is used for fixed mounting on the disappointing mouth of gas tube, set up the installing port that link up from top to bottom on the mount pad, the disk seat passes through helicitic texture demountable installation in the installing port.

Preferably, the outer wall of the valve seat is located below the threaded structure and is provided with an annular groove, and a sealing ring is embedded in the annular groove.

Preferably, the bottom end of the mounting seat is provided with a ventilation cover.

After the technical scheme is adopted, compared with the background art, the utility model, have following advantage:

the utility model provides a safety air release valve, which is arranged on an air release port of an inflation tube, when the air pressure in the inflation tube is larger than the elastic supporting force of a spring to a driving head, the driving head is jacked upwards by the gas in the inflation tube, a valve core on the driving head moves upwards along a valve core tube, a valve cap is jacked from an upper end opening of a valve cavity, and the gas is discharged from the valve cavity, so that the air pressure in the inflation tube is reduced, the inflation tube is prevented from being burst by too large air pressure, and the safety of a tent inflation tube support is improved; when a part of gas is discharged from the gas-filled tube, the gas pressure in the gas-filled tube is gradually reduced until the gas pressure in the gas-filled tube is smaller than the elastic supporting force of the spring to the driving head, and the driving head is supported by the elastic relaxation of the spring, so that the valve cap is driven to continuously close the upper end opening of the valve cavity, and the gas in the gas-filled tube is prevented from being discharged continuously.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an exploded view of the present invention;

fig. 3 is a sectional view of the structure of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

In the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are all based on the orientation or position relationship shown in the drawings, and are only for convenience of description, but not for indication or suggestion that the device or element of the present invention must have a specific orientation, and thus cannot be understood as a limitation of the present invention.

Examples

Please refer to fig. 1 to 3, the utility model discloses a safety release valve, including disk seat 1, case 2 and valve cap 3, be equipped with the valve chamber 11 that link up from top to bottom in the disk seat 1, the valve chamber 11 is fixed to be provided with case pipe 4 that link up from top to bottom, case 2 activity is inserted and is established in case pipe 4, valve cap 3 sets up the top at case 2, and valve cap 3 is located the top of valve chamber 11 and is used for sealing the upper end opening of valve chamber 11, and the bottom of case 2 is provided with driving head 21, and driving head 21 passes through spring 5 elastic connection with case pipe 4.

The top end of the valve core 2 is fixedly provided with a mounting head 22, the top end of the mounting head 22 is provided with a screw hole, and the valve cap 3 is provided with a screw 31 for locking into the screw hole.

The bottom of valve cap 3 is provided with sealed the pad 32, and the external diameter of valve cap 3 and sealed pad 32 all is greater than the bore of the upper end opening of valve chamber 11. An annular groove is formed between the bonnet 3 and the mounting head 22, and a sealing gasket 32 is embedded in the annular groove.

The outer wall of the valve core pipe 4 is fixedly connected with the inner wall of the valve cavity 11 through a connecting rib 41. The bottom side of the connecting rib 41 and the top side of the driving head 21 are respectively provided with an upper connecting groove 411 and a lower connecting groove 211, and the top end and the bottom end of the spring 5 are respectively fixedly connected in the upper connecting groove 411 and the lower connecting groove 211.

Still include mount pad 6, mount pad 6 is used for fixed mounting on the disappointing mouth of gas tube, offers the installing port 61 that link up from top to bottom on the mount pad 6, and disk seat 1 passes through helicitic texture 12 demountable installation in installing port 61.

An annular groove is formed in the outer wall of the valve seat 1 and located below the threaded structure 12, and a sealing ring 13 is embedded in the annular groove and used for improving the sealing performance of the mounting seat 6 and the valve seat 1.

The bottom mounting of mount pad 6 is provided with ventilative cover 7, and ventilative cover 7 is located the outside of drive head 21, and the degree of depth of ventilative cover 7 is not less than the lowest position of drive head 21 for when the gas tube receives the extrusion, form the protection space to drive head 21, protect drive head 21 not receive the extrusion, ventilative cover 7 is provided with a plurality of ventilative mouths and is used for the gas circulation in the gas tube simultaneously.

In use, the mounting seat 6 is mounted on the air release port of the inflation tube, and then the valve seat 1 is mounted on the mounting seat 6 through the thread structure 12. When the air pressure in the inflation tube is larger than the elastic supporting force of the spring 5 to the driving head 21, the gas in the inflation tube jacks the driving head 21 upwards, the valve core 2 on the driving head 21 moves upwards along the valve core tube 4 to jack the valve cap 3 from the upper end opening of the valve cavity 11, and the gas is discharged from the valve cavity 11, so that the air pressure in the inflation tube is reduced, and the inflation tube is prevented from being burst by too large air pressure. When a part of gas is discharged from the inflation tube, the gas pressure in the inflation tube is gradually reduced until the gas pressure in the inflation tube is smaller than the elastic supporting force of the spring 5 to the driving head 21, and the spring 5 elastically relaxes to support the driving head 21, so that the valve cap is driven to move downwards to continuously close the upper end opening of the valve cavity 11, and the gas in the inflation tube is prevented from being discharged continuously.

The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A safety vent valve, comprising: including disk seat, case and valve cap, the valve pocket that link up from top to bottom is equipped with in the disk seat, the fixed case pipe that link up from top to bottom that is provided with of valve pocket, the case activity is inserted and is established in the case pipe, the valve cap sets up the top of case, just the valve cap is located the top of valve pocket is used for sealing the upper end opening of valve pocket, the bottom of case is provided with the drive head, the drive head with the case pipe passes through spring elastic connection.

2. A safety vent valve as claimed in claim 1, wherein: the top of case sets firmly the installation head, the top of installation head is provided with the screw, be provided with on the valve cap and be used for the lock go into the screw.

3. A safety vent valve as claimed in claim 2, wherein: the bottom of valve cap is provided with sealed the pad, the valve cap all is greater than with the external diameter that seals up the upper end open-ended bore of valve pocket.

4. A safety vent as claimed in claim 1 wherein: the outer wall of the valve core pipe is fixedly connected with the inner wall of the valve cavity through a connecting rib.

5. A safety vent as claimed in claim 4 wherein: the bottom side of the connecting rib and the top side of the driving head are respectively provided with an upper connecting groove and a lower connecting groove, and the top end and the bottom end of the spring are respectively fixedly connected into the upper connecting groove and the lower connecting groove.

6. A safety vent as claimed in claim 1 wherein: still include the mount pad, the mount pad is used for fixed mounting on the mouth that loses heart of gas tube, set up the installing port that link up from top to bottom on the mount pad, the disk seat passes through helicitic texture demountable installation and is in the installing port.

7. A safety vent as claimed in claim 6 wherein: the outer wall of the valve seat is located below the threaded structure, an annular groove is formed in the outer wall of the valve seat, and a sealing ring is embedded in the annular groove.

8. A safety vent according to claim 6, wherein: and a ventilation cover is arranged at the bottom end of the mounting seat.