CN213392555U

CN213392555U - Air inlet knob

Info

Publication number: CN213392555U
Application number: CN202022446426.3U
Authority: CN
Inventors: 蔡理平
Original assignee: Zhejiang Callia Houseware Co ltd
Current assignee: Zhejiang Callia Houseware Co ltd
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-06-08
Anticipated expiration: 2030-10-28

Abstract

The utility model belongs to the technical field of evacuating device, refer in particular to an air inlet knob, including seting up the business turn over gas pocket on the evacuation article, the outer port of business turn over gas pocket covers completely has the silica gel spare, and through elastic component fixed connection between silica gel spare and the business turn over gas pocket, is located and is provided with fixed lug on the evacuation article of the outer port periphery of business turn over gas pocket, and rotates and be connected with rotating shell, rotating shell is last to be provided with the activity lug corresponding with fixed protruding position, is equipped with the protruding edge of opening and close that is located between solid lug and the activity lug on the outer border of silica gel spare. The utility model discloses a simple innovative design only relies on rotating rotary housing to drive movable lug and remove towards fixed lug, alright with protruding along the extrusion and upwards perk of opening and close of silica gel spare to make silica gel spare can't seal, realize admitting air business turn over gas pocket, effectively solved the inconvenient problem of use of traditional structure.

Description

Air inlet knob

The technical field is as follows:

the utility model belongs to the technical field of evacuating device, refer in particular to an air inlet knob.

Background art:

with the improvement of the quality of life, more and more families can purchase vacuum-pumping products at home so as to reduce the volume of clothes during food preservation measures or clothes finishing. In the process of vacuumizing, the traditional method is to pull out the silica gel cover to deflate, which is inconvenient.

The invention content is as follows:

the utility model aims at providing an air inlet knob to replace the sealed mode of admitting air of original silica gel lid, reduced operating procedure, improved user's use and experienced.

The utility model discloses a realize like this:

the utility model provides an air inlet knob, including seting up the business turn over gas pocket on the evacuation article, the outer port in business turn over gas pocket covers completely has the silica gel spare, and pass through elastic component fixed connection between silica gel spare and the business turn over gas pocket, be located and be provided with fixed lug on the evacuation article of the outer port periphery in business turn over gas pocket, and rotate and be connected with rotatory casing, be provided with the activity lug corresponding with fixed protruding position on the rotatory casing, be equipped with the protruding edge of opening and close that is located between fixed lug and the activity lug on the outer border of silica gel spare, it drives the protruding lug of activity towards fixed lug removal to rotate rotatory casing, and then open and close protruding edge by the perk that the extrusion of movable.

In the above air intake knob, the rotary housing is of an annular structure, the movable protrusion is disposed on an inner hole wall of the rotary housing, and the fixed protrusion is located in the inner hole of the rotary housing.

In the air inlet knob, the vacuumizing object positioned on the periphery of the outer port of the air inlet and outlet hole is provided with the limiting lug corresponding to the movable lug.

In the above air inlet knob, the height of the movable protrusion gradually decreases in a circumferential direction adjacent to the fixed protrusion.

In the air inlet knob, a support is arranged in the air inlet and outlet hole, a clamping groove hole is formed in the support, one end of the elastic piece is fixed with the silica gel piece, and the other end of the elastic piece is clamped in the clamping groove hole.

In the above air inlet knob, the elastic member and the silicone member are of an integral structure.

In the air inlet knob, the annular supporting wall is arranged on the vacuumizing object positioned on the periphery of the outer port of the air inlet and outlet, the annular convex edge is arranged on the peripheral wall of the annular supporting wall, the annular groove in plug-in fit with the annular supporting wall is arranged on the bottom surface of the rotary shell, the inner wall surface of the annular groove is provided with the limiting convex edge, and the limiting convex edge is positioned below the annular convex edge and can be abutted against the annular convex edge.

In the above air inlet knob, a sealing ring is disposed between the top surface of the annular support wall and the bottom surface of the annular groove.

In the above air intake knob, the rotary housing is provided with two stroke protrusions spaced around the circumference thereof, and the vacuum-pumping object located between the two stroke protrusions is provided with a positioning protrusion.

Compared with the prior art, the utility model outstanding advantage is:

through a simple innovative design, the movable lug is driven to move towards the fixed lug only by rotating the rotary shell, so that the opening and closing convex edge of the silica gel piece can be extruded and upwarps upwards, and the silica gel piece can not seal the air inlet and outlet holes and realize air inlet; after the inside of the object to be vacuumized recovers atmospheric pressure, the rotating shell is rotated reversely, the silica gel piece and the opening and closing convex edge can be enabled to recover complete covering and sealing of the air inlet and outlet holes under the action of the elastic piece, and the problem that the traditional structure is inconvenient to use is effectively solved.

Description of the drawings:

FIG. 1 is a view of the vacuum-pumping device of the present invention in combination with an air-intake knob;

fig. 2 is a cross-sectional view of the air intake knob of the present invention;

FIG. 3 is a perspective view of the air inlet and outlet holes of the vacuum-pumping object of the present invention;

fig. 4 is a perspective view of the knob housing of the present invention.

In the figure: 1. vacuumizing the object; 2. air inlet and outlet holes; 3. a silicone member; 4. an elastic member; 5. fixing the bump; 6. a rotating housing; 7. a movable projection; 8. opening and closing the convex edge; 9. a limiting bump; 10. a support; 11. a slot clamping hole; 12. an annular support wall; 13. an annular convex edge; 14. an annular groove; 15. a limiting convex edge; 16. a seal ring; 17. a travel bump; 18. and positioning the projection.

The specific implementation mode is as follows:

the invention will now be further described with reference to specific embodiments, with reference to figures 1 to 4:

the utility model provides an air inlet knob, including seting up the business turn over gas pocket 2 on evacuation article 1, the outer port of business turn over gas pocket 2 covers completely has silica gel spare 3, and pass through 4 fixed connection of elastic component between silica gel spare 3 and the business turn over gas pocket 2, be located and be provided with fixed lug 5 on the evacuation article 1 of the outer port periphery of business turn over gas pocket 2, and the rotation is connected with rotatory casing 6, be provided with the activity lug 7 corresponding with fixed protruding position on the rotatory casing 6, be equipped with the protruding edge 8 of opening and close that is located between fixed lug 5 and the activity lug 7 on the outer fringe of silica gel spare 3, it drives the removal of activity lug 7 towards fixed lug 5 to rotate rotatory casing 6, and then open and close protruding edge 8 and upwards perk by the extrusion of activity lug 7 and fixed.

Through a simple innovative design, the opening and closing convex edge 8 of the silica gel piece 3 can be extruded and upwarps only by rotating the rotary shell 6 to drive the movable lug 7 to move towards the fixed lug 5, so that the silica gel piece 3 cannot seal the air inlet and outlet hole 2 and realize air inlet; after the inside of the object 1 to be vacuumized recovers atmospheric pressure, the rotating shell 6 is rotated reversely, so that the silica gel part 3 and the opening and closing convex edge 8 can recover to completely cover and seal the air inlet and outlet hole 2 under the action of the elastic part 4, and the problem of inconvenient use of the traditional structure is effectively solved.

In the present embodiment, the specific structure of the rotating housing 6 is as follows: the rotating shell 6 is of an annular structure, the movable lug 7 is arranged on the inner hole wall of the rotating shell 6, and the fixed lug 5 is positioned in the inner hole of the rotating shell 6.

And, in order to improve the utility model discloses a stability in use prevents that the rotatory range of 6 of rotating housing is too big and lead to stability to reduce, is located be provided with the spacing lug 9 corresponding with activity lug 7 position on the evacuation article 1 of business turn over gas pocket 2's outer port periphery.

In order to facilitate the lifting of the silicone piece 3, the height of the movable projection 7 gradually decreases in the circumferential direction near the fixed projection 5.

Meanwhile, the specific connection structure between the elastic element 4 and the air inlet/outlet hole 2 is as follows: a support 10 is arranged in the air inlet and outlet hole 2, a clamping groove hole 11 is formed in the support 10, one end of the elastic piece 4 is fixed with the silica gel piece 3, and the other end of the elastic piece is clamped in the clamping groove hole 11.

In the present embodiment, the elastic member 4 and the silicone member 3 are an integral structure.

The specific structure that the rotary shell 6 is rotationally connected to the vacuum-pumping object 1 is as follows: the vacuumizing device is characterized in that an annular supporting wall 12 is arranged on the vacuumizing object 1 on the periphery of an outer port of the air inlet/outlet hole 2, an annular convex edge 13 is arranged on the outer peripheral wall of the annular supporting wall 12, an annular groove 14 in splicing fit with the annular supporting wall 12 is arranged on the bottom surface of the rotary shell 6, in order to enable the rotary shell 6 to rotate stably, a limiting convex edge 15 is arranged on the inner wall surface of the annular groove 14, and the limiting convex edge 15 is located below the annular convex edge 13 and can be abutted against the annular convex edge 13.

Furthermore, a sealing ring 16 is arranged between the top surface of the annular support wall 12 and the bottom surface of the annular groove 14.

Furthermore, in order to further improve the rotational stability of the rotating housing 6, two travel projections 17 are provided on the rotating housing 6 and are spaced around the circumference of the rotating housing, and a positioning projection 18 is provided on the vacuum-pumping object 1 located between the two travel projections 17.

The above-mentioned embodiment is only one of the preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so: all equivalent changes made according to the shape, structure and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. An air intake knob, characterized by: comprises an air inlet and outlet hole (2) arranged on a vacuum-pumping object (1), the outer port of the air inlet and outlet hole (2) is completely covered with a silica gel part (3), and pass through elastic component (4) fixed connection between silica gel spare (3) and business turn over gas pocket (2), be provided with fixed lug (5) on the evacuation article (1) of the outer port periphery that is located business turn over gas pocket (2), and rotate and be connected with rotatory casing (6), be provided with on rotatory casing (6) with fixed protruding corresponding movable lug (7) in position, be equipped with on the outer border of silica gel spare (3) and be located protruding edge (8) of opening and close between fixed lug (5) and movable lug (7), it drives movable lug (7) and removes towards fixed lug (5) to rotate rotatory casing (6), and then open and close protruding edge (8) and upwards perk by movable lug (7) and fixed lug (5) extrusion.

2. An air intake knob according to claim 1, wherein: the rotary shell (6) is of an annular structure, the movable lug (7) is arranged on the inner hole wall of the rotary shell (6), and the fixed lug (5) is located in the inner hole of the rotary shell (6).

3. An air intake knob according to claim 1, wherein: and a limiting lug (9) corresponding to the movable lug (7) is arranged on the vacuumizing object (1) positioned on the periphery of the outer port of the air inlet/outlet hole (2).

4. An air intake knob according to claim 1, wherein: the height of the movable lug (7) is gradually reduced along the circumferential direction close to the fixed lug (5).

5. An air intake knob according to claim 1, wherein: a support (10) is arranged in the air inlet and outlet hole (2), a clamping groove hole (11) is formed in the support (10), one end of the elastic piece (4) is fixed with the silica gel piece (3), and the other end of the elastic piece is clamped in the clamping groove hole (11).

6. An air intake knob according to claim 5, wherein: the elastic piece (4) and the silica gel piece (3) are of an integrated structure.

7. An air intake knob according to claim 1, wherein: the vacuum pumping device is characterized in that an annular supporting wall (12) is arranged on the vacuum pumping object (1) on the periphery of an outer port of the air inlet/outlet hole (2), an annular convex edge (13) is arranged on the peripheral wall of the annular supporting wall (12), an annular groove (14) in plug-in fit with the annular supporting wall (12) is arranged on the bottom surface of the rotary shell (6), a limiting convex edge (15) is arranged on the inner wall surface of the annular groove (14), and the limiting convex edge (15) is located below the annular convex edge (13) and can be inconsistent with the annular convex edge (13).

8. An air intake knob according to claim 7, wherein: and a sealing ring (16) is arranged between the top surface of the annular supporting wall (12) and the bottom surface of the annular groove (14).

9. An air intake knob according to claim 1, wherein: two stroke lugs (17) are arranged on the rotary shell (6) at intervals around the circumference of the rotary shell, and a positioning lug (18) is arranged on the vacuum-pumping object (1) between the two stroke lugs (17).