CN217970710U

CN217970710U - Sliding air cylinder assembly of vacuum fresh-keeping box cover

Info

Publication number: CN217970710U
Application number: CN202222079864.XU
Authority: CN
Inventors: 张孝华
Original assignee: Ningbo Haishu Huayu Industry And Trade Co ltd
Current assignee: Ningbo Haishu Huayu Industry And Trade Co ltd
Priority date: 2022-08-08
Filing date: 2022-08-08
Publication date: 2022-12-06
Anticipated expiration: 2032-08-08

Abstract

The utility model discloses a sliding cylinder component of a vacuum fresh-keeping box cover, which comprises a sliding cylinder and a transition ring, wherein the bottom of the sliding cylinder is provided with an annular buckle, a circular boss and an air hole, the transition ring is provided with a holding tank, a spring shifting fork and a one-way air valve are arranged in the holding tank, the bottom of the sliding cylinder is pressed on the transition ring, the circular boss extends into a fork opening of the spring shifting fork, the air hole is blocked by the one-way air valve, the bottom of the sliding cylinder is also provided with a left positioning block and a right positioning block which extend into the holding tank, a left elastic part and a right elastic part are arranged in the holding tank, when the sliding cylinder rotates rightwards, the left positioning block extrudes the left elastic part and deforms the left elastic part, and the left elastic part generates elastic potential energy for driving the left positioning block to rotate leftwards; when the sliding cylinder rotates leftwards, the right positioning block extrudes the right elastic piece and enables the right elastic piece to deform, and the right elastic piece generates elastic potential energy for driving the right positioning block to rotate rightwards; its advantages are small size, low cost and high stability.

Description

Sliding air cylinder assembly of vacuum fresh-keeping box cover

Technical Field

The utility model belongs to the technical field of the daily necessities, especially, relate to a slip cylinder subassembly of vacuum preservation lid.

Background

Along with the gradual improvement of living standard, people pay more and more attention to the fresh-keeping of daily food, and conventional preservation box has been difficult to satisfy the demand, has appeared on the market vacuum preservation box, and vacuum preservation box is better than conventional preservation box fresh-keeping effect, can prolong the shelf life of food simultaneously, improves food value, therefore is welcomed by people.

For example, in chinese patent No. ZL200910147616.0 (CN 101570260B), the invention discloses a vacuum preservation box with pump, which comprises a box body, a box cover, a handle, a fixed piston assembly, a sliding cylinder assembly and the like, wherein the handle, the fixed piston assembly and the sliding cylinder assembly form a hand-press vacuum pump, the handle and the sliding cylinder assembly move up and down to draw out air in the box body, and the negative pressure in the box body gradually increases and approaches vacuum, thereby achieving the purpose of vacuum preservation.

In the patent of the invention, the sliding cylinder component can rotate left and right and can vertically move up and down, the sliding cylinder component realizes the reset in the left and right directions through the annular torsion spring, the annular torsion spring is arranged in the annular groove of the transition ring, the shifting fork of the sliding cylinder is required to be aligned with the annular torsion spring during the installation, when the sliding cylinder rotates to the release position under the action of the annular torsion spring, the limitation in the up and down directions is removed by the sliding cylinder, at the moment, the reset spring is unfolded, and the press hand and the sliding cylinder are simultaneously upwards bounced, thereby being convenient for pressing. Because the annular torsion spring needs to be wound by one circle, the volume is large, the cost is high, the occupied space is large, the stability is poor, and the annular torsion spring is not suitable for long-term use.

Disclosure of Invention

The utility model aims to solve the technical problem that a sliding cylinder component of vacuum preservation box cover is provided, small, with low costs, stability is better.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: a sliding cylinder component of a vacuum fresh-keeping box cover comprises a sliding cylinder and a transition ring, wherein the bottom of the sliding cylinder is provided with an annular buckle, a circular boss and an air hole, the transition ring is provided with a containing groove, a spring shifting fork and a one-way air valve are arranged in the containing groove, the bottom of the sliding cylinder is pressed on the transition ring, the circular boss extends into a fork opening of the spring shifting fork, the air hole is blocked by the one-way air valve, the bottom of the sliding cylinder is also provided with a left positioning block and a right positioning block which extend into the containing groove, a left elastic element and a right elastic element are arranged in the containing groove, when the sliding cylinder rotates rightwards, the left positioning block extrudes the left elastic element and enables the left elastic element to deform, and the left elastic element generates elastic potential energy for driving the left positioning block to rotate leftwards; when the sliding cylinder rotates leftwards, the right positioning block extrudes the right elastic piece and enables the right elastic piece to deform, and the right elastic piece generates elastic potential energy for driving the right positioning block to rotate rightwards.

Preferably, a first mounting column, two first stop blocks, a second mounting column and two second stop blocks are arranged in the accommodating groove, the two first stop blocks surround the first mounting column, and the two second stop blocks surround the second mounting column; the left elastic piece is a first torsion spring sleeved on the first mounting column, two end parts of the first torsion spring extend out of a gap between the two first stop dogs, and the end part of the first torsion spring on the left side is in contact with the right side of the left positioning block; the right elastic piece is a second torsion spring sleeved on the second mounting column, two end parts of the second torsion spring extend out of a gap between the two second stoppers, and the end part of the second torsion spring on the right side is in contact with the left side of the right positioning block.

Preferably, a first clamping groove in clamping fit with the end portion, located on the right side, of the first torsion spring is arranged on the side face of the first stop block located on the right side, and a second clamping groove in clamping fit with the end portion, located on the left side, of the second torsion spring is arranged on the side face of the second stop block located on the left side.

Preferably, the lower end surface of the first clamping groove and the lower end surface of the second clamping groove are flush with the groove bottom of the accommodating groove respectively.

Preferably, two through holes are formed in the lower end face of the transition ring, one through hole is communicated with the lower end of the first clamping groove, and the other through hole is communicated with the lower end of the second clamping groove.

Compared with the prior art, the utility model has the advantages of set up solitary left elastic component and right elastic component, behind the rotatory sliding cylinder, make sliding cylinder reset left through left elastic component and left locating piece cooperation, or make sliding cylinder reset right through right elastic component and right locating piece cooperation, for annular torsional spring, need not around the ring groove round, the volume is less, the cost is lower, and stability is better.

Drawings

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

fig. 2 is a first schematic diagram of the explosion structure of the present invention;

FIG. 3 is a schematic diagram of the explosion structure of the present invention;

FIG. 4 is a schematic structural view of the left and right elastic members of the present invention;

fig. 5 is a schematic view of a partial structure of the middle transition ring of the present invention.

In the figure: 1. a sliding cylinder; 11. an annular buckle; 12. a circular boss; 13. air holes; 14. a left positioning block; 15. a right positioning block; 2. a transition ring; 21. accommodating a tank; 22. a first mounting post; 23. a first stopper; 231. a first card slot; 24. a second mounting post; 25. a second stopper; 26. a through hole; 3. a spring fork; 4. a one-way air valve; 5. a left elastic member; 51. a first torsion spring; 6. a right elastic member; 61. a second torsion spring.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The first embodiment is as follows: as shown in fig. 1-5, a sliding cylinder assembly of a vacuum fresh-keeping box cover comprises a sliding cylinder 1 and a transition ring 2 which can move up and down and is arranged on the box cover, wherein the bottom of the sliding cylinder 1 is provided with an annular buckle 11, a circular boss 12 and an air hole 13, the transition ring 2 is provided with a containing groove 21, the containing groove 21 is internally provided with a spring shifting fork 3 and a one-way air valve 4, the bottom of the sliding cylinder 1 is pressed on the transition ring 2, the circular boss 12 extends into the fork opening of the spring shifting fork 3, and the air hole 13 is blocked by the one-way air valve 4.

In this embodiment, the bottom of the sliding cylinder 1 is further provided with a left positioning block 14 and a right positioning block 15 extending into the accommodating groove 21, the accommodating groove 21 is internally provided with a left elastic member 5 and a right elastic member 6, when the sliding cylinder 1 rotates rightward, the left positioning block 14 presses the left elastic member 5 and deforms the left elastic member 5, and the left elastic member 5 generates elastic potential energy for driving the left positioning block 14 to rotate leftward; when the sliding cylinder 1 rotates leftwards, the right positioning block 15 presses the right elastic piece 6 and deforms the right elastic piece 6, and the right elastic piece 6 generates elastic potential energy for driving the right positioning block 15 to rotate rightwards.

The second embodiment: the rest of the structure is the same as that of the first embodiment, and the difference lies in that a first mounting column 22, two first stoppers 23, a second mounting column 24 and two second stoppers 25 are arranged in the accommodating groove 21, the two first stoppers 23 surround the first mounting column 22, the two second stoppers 25 surround the second mounting column 24, and further, the left elastic member 5, the first stopper 23, the first mounting column 22, the other first stopper 23, the second stopper 25, the second mounting column 24, the other second stopper 25 and the right elastic member 6 are sequentially distributed along the circumferential direction.

In this embodiment, the left elastic member 5 is a first torsion spring sleeved on the first mounting column 22, two ends of the first torsion spring extend out from a gap between the two first stoppers 23, and the end of the first torsion spring located on the left side contacts with the right side of the left positioning block 14; the right elastic piece 6 is a second torsion spring sleeved on the second mounting column 24, two end parts of the second torsion spring extend out of a gap between the two second stopping blocks 25, and the end part of the second torsion spring on the right side is in contact with the left side of the right positioning block 15.

In this embodiment, be provided with on the side of the first dog 23 that is located the right side and be located the tip joint complex first draw-in groove 231 on right side with first torsion spring, be provided with on the side that is located left second dog 25 and be located left tip joint complex second draw-in groove with the second torsion spring, through setting up first draw-in groove 231 and second draw-in groove, prevent that first torsion spring and second torsion spring from reciprocating, the reliability is better.

In this embodiment, the lower end surface of the first engaging groove 231 and the lower end surface of the second engaging groove are flush with the bottom of the accommodating groove 21, respectively.

In this embodiment, two through holes 26 are disposed on the lower end surface of the transition ring 2, one through hole 26 is communicated with the lower end of the first clamping groove 231, the other through hole 26 is communicated with the lower end of the second clamping groove, and the first clamping groove 231 and the second clamping groove are conveniently processed by disposing the through holes 26 during production.

The present invention has been described in detail with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and various improvements of the method concept and the technical solution of the present invention can be made without modification, or the present invention can be directly applied to other occasions without modification, and is within the protection scope of the present invention.

Claims

1. A sliding cylinder assembly of a vacuum fresh-keeping box cover comprises a sliding cylinder (1) and a transition ring (2), wherein the bottom of the sliding cylinder (1) is provided with an annular buckle (11), a circular boss (12) and an air hole (13), the transition ring (2) is provided with a containing groove (21), a spring shifting fork (3) and a one-way air valve (4) are arranged in the containing groove (21), the bottom of the sliding cylinder (1) is pressed on the transition ring (2), the circular boss (12) extends into a fork opening of the spring shifting fork (3), the one-way air valve (4) blocks the air hole (13), and the vacuum fresh-keeping box cover is characterized in that the bottom of the sliding cylinder (1) is further provided with a left positioning block (14) and a right positioning block (15) which extend into the containing groove (21), the containing groove (21) is internally provided with a left elastic piece (5) and a right elastic piece (6), and when the sliding cylinder (1) rotates rightwards, the left positioning block (14) extrudes the left elastic piece (5) and enables the left elastic piece (5) to deform, and the left elastic piece (14) to generate left elastic potential energy; when the sliding cylinder (1) rotates leftwards, the right positioning block (15) extrudes the right elastic piece (6) and enables the right elastic piece (6) to deform, and the right elastic piece (6) generates elastic potential energy for driving the right positioning block (15) to rotate rightwards.

2. The sliding cylinder assembly of a vacuum fresh-keeping box cover according to claim 1, characterized in that a first mounting column (22), two first stoppers (23), a second mounting column (24) and two second stoppers (25) are arranged in the receiving groove (21), two of the first stoppers (23) surround the first mounting column (22), and two of the second stoppers (25) surround the second mounting column (24); the left elastic piece (5) is a first torsion spring sleeved on the first mounting column (22), two end parts of the first torsion spring extend out of a gap between the two first stop blocks (23), and the end part of the first torsion spring on the left side is in contact with the right side of the left positioning block (14); the right elastic piece (6) is a second torsion spring sleeved on the second mounting column (24), two end parts of the second torsion spring extend out of a gap between the two second stoppers (25), and the end part of the second torsion spring on the right side is in contact with the left side of the right positioning block (15).

3. The sliding cylinder assembly of claim 2, wherein the first stop (23) at the right side has a first engaging groove (231) for engaging with the end of the first torsion spring at the right side, and the second stop (25) at the left side has a second engaging groove for engaging with the end of the second torsion spring at the left side.

4. The sliding cylinder assembly of claim 3, wherein the lower end surfaces of the first engaging groove (231) and the second engaging groove are flush with the bottom of the receiving groove (21).

5. The sliding cylinder assembly of a vacuum fresh-keeping box cover according to claim 4, characterized in that two through holes (26) are provided on the lower end surface of the transition ring (2), one of the through holes (26) is communicated with the lower end of the first slot (231), and the other through hole (26) is communicated with the lower end of the second slot.