CN221024427U - Air extraction joint device with pressure limiting function - Google Patents
Air extraction joint device with pressure limiting function Download PDFInfo
- Publication number
- CN221024427U CN221024427U CN202322902509.2U CN202322902509U CN221024427U CN 221024427 U CN221024427 U CN 221024427U CN 202322902509 U CN202322902509 U CN 202322902509U CN 221024427 U CN221024427 U CN 221024427U
- Authority
- CN
- China
- Prior art keywords
- shell
- joint device
- air
- pressure limiting
- limiting function
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000000605 extraction Methods 0.000 title claims abstract description 23
- 238000007789 sealing Methods 0.000 claims abstract description 18
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 12
- 239000000741 silica gel Substances 0.000 claims description 9
- 229910002027 silica gel Inorganic materials 0.000 claims description 9
- 238000005086 pumping Methods 0.000 abstract description 2
- 238000004321 preservation Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 2
- 238000009920 food preservation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The utility model relates to the technical field of household vacuumizing, in particular to an air extraction joint device with a pressure limiting function, which comprises a shell, a connecting pipe connected to the upper end of the shell and a sealing piece arranged at the lower end of the shell, wherein the upper end of the shell is provided with a first air passage communicated with the connecting pipe; the air extraction joint device further comprises a piston piece in the shell in a sliding mode and an elastic piece connected to the upper end of the piston piece and the upper end of the inner side of the shell respectively, the piston piece is provided with a valve body and a through hole, the valve body is used for sealing the first air channel, and the lower end of the valve body is used for abutting against the sealing piece. The utility model aims to provide an air extraction joint device with a pressure limiting function, which can limit the pressure of vacuum pumping to a certain extent and prevent the problems that a box body is easy to deform and burst when air is pumped out.
Description
Technical Field
The utility model relates to the technical field of household vacuumizing, in particular to an air extraction connector device with a pressure limiting function.
Background
Along with the increasing demands of people on food preservation, vacuum preservation boxes are becoming more popular, and the vacuum preservation boxes with pressure indication function are available, but the air extraction cannot be automatically stopped when a certain pressure is reached, and the common vacuum preservation boxes are generally not provided with a pressure limiting device, so that the box body is easy to deform or burst when the air is extracted.
Disclosure of Invention
In order to overcome the defects and shortcomings in the prior art, the utility model aims to provide the air extraction connector device with the pressure limiting function, which can limit the pressure of the vacuum pumping to a certain extent and prevent the problems that the box body is easy to deform and burst when the air is extracted.
The utility model is realized by the following technical scheme:
The air extraction joint device with the pressure limiting function comprises a shell, a connecting pipe connected to the upper end of the shell and a sealing piece arranged at the lower end of the shell, wherein the upper end of the shell is provided with a first air passage communicated with the connecting pipe; the air extraction joint device further comprises a piston piece in the shell in a sliding mode and an elastic piece connected to the upper end of the sealing piece and the lower end of the piston piece respectively, the sealing piece is provided with a valve body and a through hole, the piston piece is provided with a second air passage communicated with the first air passage, and the valve body is used for propping against the opening of the second air passage to seal the first air passage.
Wherein, still be provided with a plurality of sealing washer between piston spare and the shell.
Wherein the elastic piece is a spring.
Wherein, the valve body is silica gel structure.
Wherein, the lower extreme of shell is installed the silica gel head.
Wherein, the silica gel head can be dismantled and be connected with the connector.
The utility model has the beneficial effects that:
According to the air extraction joint device with the pressure limiting function, through the arrangement of the piston piece and the elastic piece, when the air extraction joint device is used for extracting air, air flow sequentially enters the first air passage through the lower end of the shell and the through hole; when pressure difference is generated between the inside and the outside, the atmosphere overcomes the elasticity of the elastic piece to do work downwards on the piston piece, and finally the opening of the second air passage of the piston piece compresses the valve body and seals the first air passage, so that the effect of limiting the pressure intensity in the vacuum preservation box is achieved, and the problem that the box body is easy to deform and burst when air is pumped is prevented.
Drawings
The utility model will be further described with reference to the accompanying drawings, in which embodiments do not constitute any limitation of the utility model, and other drawings can be obtained by one of ordinary skill in the art without inventive effort from the following drawings.
Fig. 1 is an exploded view of the present utility model.
Fig. 2 is a cross-sectional view of the present utility model.
Reference numerals
The device comprises a shell-100, a connecting pipe-101, a sealing piece-102, a first air passage-103, a piston piece-104, an elastic piece-105, a valve body-106, a through hole-107, a silica gel head-108, a second air passage-109, a sealing ring-110 and a connector-111.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
Along with the increasing demands of people on food preservation, vacuum preservation boxes are becoming more popular, and the vacuum preservation boxes with pressure indication function are available, but the air extraction cannot be automatically stopped when a certain pressure is reached, and the common vacuum preservation boxes are generally not provided with a pressure limiting device, so that the box body is easy to deform or burst when the air is extracted.
In order to solve the above-mentioned problems, this embodiment discloses an air extraction joint device with a pressure limiting function, the structure of which is shown in fig. 1 and 2, the device comprises a housing 100, a connecting pipe 101 connected to the upper end of the housing 100, and a sealing member 102 arranged at the lower end of the housing 100, wherein the upper end of the housing 100 is provided with a first air passage 103 communicated with the connecting pipe 101; the air extraction joint device further comprises a piston member 104 slidably connected in the housing 100 and an elastic member 105 respectively connected to the upper end of the sealing member 102 and the lower end of the piston member 104, the sealing member 102 is provided with a valve body 106 and a through hole 107, the piston member 104 is provided with a second air passage 109 communicated with the first air passage 103, and the valve body 106 is used for pressing against the opening of the second air passage 109 to seal the first air passage 103.
Specifically, in the air extraction joint device with the pressure limiting function, through the piston member 104 and the elastic member 105, when the air extraction joint device is used for extracting air, air flows sequentially enter the first air passage 103 through the lower end of the shell 100 and the through hole 107; when a pressure difference is generated between the inside and the outside, the atmosphere overcomes the elasticity of the elastic piece 105 to apply downward work to the piston piece 104, the valve body 106 is preferably in a silica gel structure, and the elastic piece 105 is preferably a spring; finally, the opening of the second air passage 109 compresses the valve body 106 and seals the first air passage 103, so as to achieve the effect of limiting the pressure intensity in the vacuum preservation box, and prevent the problem that the box body is easy to deform and burst when air is pumped out.
In this embodiment, referring to fig. 1, a plurality of sealing rings 110 are further disposed between the piston member 108 and the housing 100, and preferably, the piston member 108 and the sealing rings 110 are made of silica gel material, so as to increase the tightness of the device of this embodiment.
Specifically, a silica gel head 108 is installed at the lower end of the housing 100, and the silica gel head 108 can be matched with the installation requirement of the annular connection structure; in addition, the silica gel head 108 can be detachably connected with the connector 111, and the vacuumizing requirement of containers with other shapes can be met by installing the connector 111 shown in fig. 2.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.
Claims (6)
1. The utility model provides an air extraction joint device with pressure limiting function, includes the shell, connects in the connecting pipe of shell upper end and sets up in the sealing member of shell lower extreme, the upper end of shell is provided with the first air flue of communicating with the connecting pipe, its characterized in that:
The air extraction joint device further comprises a piston piece in the shell in a sliding mode and an elastic piece connected to the upper end of the sealing piece and the lower end of the piston piece respectively, the sealing piece is provided with a valve body and a through hole, the piston piece is provided with a second air passage communicated with the first air passage, and the valve body is used for propping against the opening of the second air passage to seal the first air passage.
2. An air extraction joint device with pressure limiting function according to claim 1, wherein: a plurality of sealing rings are also arranged between the piston piece and the shell.
3. An air extraction joint device with pressure limiting function according to claim 1, wherein: the elastic piece is a spring.
4. An air extraction joint device with pressure limiting function according to claim 1, wherein: the valve body is of a silica gel structure.
5. An air extraction joint device with pressure limiting function according to claim 1, wherein: the lower end of the shell is provided with a silica gel head.
6. The suction fitting device with pressure limiting function according to claim 5, wherein: the silica gel head is detachably connected with a connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322902509.2U CN221024427U (en) | 2023-10-28 | 2023-10-28 | Air extraction joint device with pressure limiting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322902509.2U CN221024427U (en) | 2023-10-28 | 2023-10-28 | Air extraction joint device with pressure limiting function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221024427U true CN221024427U (en) | 2024-05-28 |
Family
ID=91187299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322902509.2U Active CN221024427U (en) | 2023-10-28 | 2023-10-28 | Air extraction joint device with pressure limiting function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221024427U (en) |
-
2023
- 2023-10-28 CN CN202322902509.2U patent/CN221024427U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |