CN218606050U

CN218606050U - Self-adaptive negative pressure cup cover

Info

Publication number: CN218606050U
Application number: CN202223259030.3U
Authority: CN
Inventors: 张建新; 李�杰; 朱飞; 祝晨亮; 李志永
Original assignee: Hangzhou Haers Industrial Co ltd
Current assignee: Hangzhou Haers Industrial Co ltd
Priority date: 2022-12-06
Filing date: 2022-12-06
Publication date: 2023-03-14
Anticipated expiration: 2032-12-06

Abstract

The utility model discloses a self-adaptive negative pressure cup cover, which comprises an upper cover arranged above a lower cover, wherein the lower cover is provided with a direct drinking port, a sealing plug is clamped on the lower surface of the upper cover and used for sealing the direct drinking port, and the sealing plug is provided with a through hole for communicating the internal and external balance air pressure; the utility model discloses a negative pressure in the cup can be eliminated automatically to the bowl cover, uncaps, is applicable to the bowl cover that has the straight mouth of drinking.

Description

Self-adaptive negative pressure cup cover

Technical Field

The utility model relates to a drinking cup technical field especially relates to a bowl cover of self-adaptation negative pressure.

Background

The vacuum cup is usually used for containing hot water, the air pressure in the cup can be reduced after the temperature of the hot water stored in the cup is reduced, and negative pressure can be generated when the air pressure is lower than the external atmospheric pressure; the negative pressure can make the bowl cover open the difficulty, also can make the sealing washer or the sealing plug of bowl cover adsorbed at rim of a cup or drinking water mouth, influence and use and experience. In the prior art, a sealing ring of the cup cover is improved in many schemes to have the function of balancing negative pressure in the cup, for example, chinese patent documents with application numbers of 202023199696.5, 202022444344.5, 202110092691.2 and the like are all improved aiming at the sealing ring of the cup cover; above-mentioned scheme all is not applicable to the bowl cover that has straight mouthful that drinks water more convenient, and this kind of bowl cover only need open the upper cover and drink water through directly drinking mouthful, rather than take off whole bowl cover and drink water from the rim of a cup, consequently to the bowl cover that has straight mouthful, for making it open drinking water and not influenced by the negative pressure, need improve so that it has the function of balanced negative pressure.

Disclosure of Invention

The utility model aims at providing a bowl cover of self-adaptation negative pressure, negative pressure in the cup can be eliminated automatically to uncap, is applicable to the bowl cover that has the straight mouth of drinking.

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

The utility model provides a bowl cover of self-adaptation negative pressure, includes that the upper cover lid locates the top of lower cover, covers down to be equipped with directly drinks the mouth, and the sealing plug joint is used for sealed directly drinking the mouth at the lower surface of upper cover, is equipped with the through-hole on the sealing plug for the inside and outside balanced atmospheric pressure of intercommunication.

The lower surface of the sealing plug is sequentially provided with a sealing part and a clamping part from outside to inside; the sealing part is abutted against the direct drinking port to form sealing; the through hole is vertically arranged on the clamping part in a through way.

In an embodiment, the lower surface of upper cover is equipped with the fixed part, including fixed column and the fixed plate that sets gradually from the top down, is equipped with the draw-in groove in the middle part of joint portion, and the sealing plug passes through draw-in groove and fixed plate joint.

The fixing plate is in a long plate-shaped symmetrical structure, and two ends of the short edge of the fixing plate extend outwards to form a fixing end; the sealing plug is clamped with the fixed end through the clamping groove, and a gap is reserved between the sealing plug and the long edge end of the fixed plate.

The fixed column is located one side or both sides of long limit end and is equipped with the recess, and long limit end corresponds inwards sunken and recess intercommunication is equipped with the concave part.

The lower port of the through hole extends upwards and is bent to form a movable part which is abutted against the bottom surface of the fixing plate.

In another embodiment, the upper end of the clamping part is opened, the middle of the bottom surface of the clamping part protrudes upwards to form a combining part with an inverted buckle at the top, and the through hole is arranged on the combining part in a vertically penetrating manner.

The lower surface of the upper cover is provided with a fixing part which is hollow inside, the bottom surface of the upper cover is provided with an insertion hole, and the side wall of the upper cover is provided with at least one opening; the sealing plug is inserted into the jack through the combining part and clamped on the fixing part, and a gap is formed between the top surface of the combining part and the hollow top surface of the fixing part.

The upper surface of the sealing plug is provided with at least one vent groove connecting through hole and the outside.

The upper surface circumference of sealing plug evenly sets up 4 air grooves.

Compared with the prior art, the beneficial effects of the utility model are that: by adopting the technical scheme, the through hole is formed in the sealing plug, and when the liquid in the cup is cooled to form negative pressure, the inner space and the outer space can be communicated through the through hole, so that the aim of eliminating the negative pressure in the cup is fulfilled.

The further beneficial effects are that: the sealing plug is provided with a sealing part for sealing the straight drinking port, and a clamping part for clamping and fixing the sealing plug on the lower surface of the upper cover; firstly, the clamping groove is formed in the clamping portion, the fixing plate arranged on the fixing portion of the lower cover is clamped and fixed, the fixing plate is in a long plate shape, a gap is formed between the long edge end of the fixing plate and the sealing plug, the fixing plate is communicated with the inside and the outside, grooves are formed in one side or two sides of the fixing column, the channel communicated with the inside and the outside is wider, and the smoothness of the channel is further guaranteed; when the upper cover and the lower cover are closed, the sealing plug seals the straight drinking port and simultaneously seals the internally and externally communicated channel, and at the moment of opening the cover, if negative pressure exists, the negative pressure can enable the sealing plug to be adsorbed on the straight drinking port, so that the sealing plug and the upper cover are slightly separated from each other to open the internally and externally communicated channel to eliminate the negative pressure; the lower port circumference of the through hole of the sealing plug is bent upwards to form a movable part which is abutted with the fixed plate to seal the channel and prevent water from leaking from the channel; secondly, the joint part with the top being provided with the inverted buckle is arranged through the clamping part, the jack of the fixing part is inserted for clamping, the inside and the outside are communicated through the through hole and the opening on the side wall of the fixing part, the through hole opening of the structure is much smaller than that of the scheme of the embodiment 1, and therefore sealing treatment can not be carried out.

Still further beneficial effect is: the upper surface of the sealing plug is provided with at least one vent groove connecting through hole and the outside, so that the ventilation efficiency of the internally and externally communicated channel can be further ensured.

Drawings

Fig. 1 is a schematic view of a three-dimensional exploded structure of the cup lid of the present invention.

Fig. 2 is a cross-sectional view of the cap of embodiment 1.

Fig. 3 is a schematic perspective view and an enlarged view of a portion a of the upper cover in embodiment 1.

Fig. 4 is a cross-sectional view of the closure plug of embodiment 1.

FIG. 5 is a cross-sectional view of the lid of embodiment 2.

Fig. 6 is a schematic perspective view of the upper cover of embodiment 2.

Fig. 7 is a cross-sectional view of the sealing plug of embodiment 2.

Detailed Description

In order to make the technical solution of the present invention clearer, the present invention is described in detail below with reference to the accompanying drawings 1 to 7. It should be understood that the detailed description and specific examples, while indicating the scope of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.

The utility model relates to a self-adaptive negative pressure cup cover, as shown in figure 1, which comprises a lower cover 1 covering a cup mouth, wherein the lower cover 1 is provided with a straight drinking port 11 which is communicated up and down; the upper cover 2 is arranged above the lower cover 1 in a covering manner; the sealing plug 3 is clamped on the lower surface of the upper cover 2 and is used for sealing the straight drinking port 11; the sealing plug 3 is provided with a through hole 31, when negative pressure is formed in the cup, external air enters the cup through the through hole 31 to eliminate the negative pressure. The upper cover 2 and the lower cover 1 can be connected by a screw thread, or can be connected by a one-key-opening bouncing manner as shown in patent documents with application numbers of 201620654433.3 or 201610483984.2 or 201310220817.5, etc., and the connection manner between the upper cover 2 and the lower cover 1 is not described herein again.

Example 1.

As shown in fig. 4, the lower surface of the sealing plug 3 is provided with a sealing part 33 and a clamping part 34 in sequence from outside to inside; as shown in fig. 3, the sealing portion 33 abuts against the straight drinking spout 11 to form a seal; the through hole 31 is vertically arranged in the clamping portion 34 in a penetrating manner, a clamping groove 35 is arranged in the middle of the clamping portion 34, the lower port of the through hole 31 extends upwards to form a movable portion 36, and the elastic activity of the movable portion 36 can be enhanced by the structure. In order to make the external air enter smoothly, as shown in fig. 1 or 4, the upper surface of the sealing plug 3 is provided with at least one vent groove 32 connecting the through hole 31 and the outside, and in this embodiment, 4 vent grooves 32 are uniformly arranged in the circumferential direction.

The lower surface of the upper cover 2 is provided with a fixing part 21, as shown in fig. 3, the fixing part 21 comprises a fixing column 211 and a fixing plate 212 which are arranged from top to bottom in sequence; the fixing plate 212 is a long plate-shaped symmetrical structure, and two ends of the short side of the fixing plate extend outwards to form a fixing end 213; the sealing plug 3 is clamped with the fixing end 213 through the clamping groove 35 arranged thereon, and as shown in fig. 2, the sealing plug 3 has a gap with the long edge end 214 of the fixing plate 212, so as to facilitate the passage of the external air. In order to enhance the efficiency of air intake, as shown in fig. 3, a groove 215 is provided on one side or both sides of the fixing column 211 at the long side end 214, and a concave portion is provided at the long side end 214 correspondingly recessed inward and communicated with the groove 215, so as to increase the gap between the fixing column and the sealing plug 3 and enlarge the air intake passage. In order to tightly and firmly clamp the sealing plug 3 to the fixing portion 21, the shape of the fixing end 213 is adapted to the slot 35, if the slot 35 is circular, the fixing end 213 is circular, if the slot 35 is square, the fixing end 213 is also square.

When in use, as shown in fig. 2, the sealing part 33 of the sealing plug 3 is abutted against the straight drinking port 11 to form a seal; when the temperature of the liquid in the cup is higher and the air pressure is higher, the movable part 36 of the sealing plug 3 is abutted against the fixing plate 212 to form sealing under the action of the air pressure, so that the liquid in the cup can be prevented from flowing out from the movable part; when liquid in the cup is continuously cooled to the cup to form negative pressure, the upper cover 2 is opened at the moment, the sealing plug 3 is adsorbed on the direct drinking port 11 under the action of the negative pressure, the upper cover 2 is slightly separated from the sealing plug 3 to form a gap, external air enters the through hole 31 from the gap and the vent groove 32 and washes the movable part 36 to remove the seal between the movable part and the fixing plate 212, the external air enters the cup to communicate internal and external balanced air pressure to eliminate the negative pressure, the sealing plug 3 is separated from the negative pressure influence at the moment, the external air can be separated from the direct drinking port 11 along with the upper cover 2, and a user drinks from the direct drinking port 11.

Example 2.

As shown in fig. 7, the lower surface of the sealing plug 3 is provided with a sealing part 33 and a clamping part 34 in sequence from outside to inside, the upper end of the clamping part 34 is open, the middle of the bottom surface of the clamping part protrudes upwards to form a combining part 37 with an upside-down top, and the through hole 31 is arranged on the combining part 37 in a vertically penetrating manner; as shown in fig. 5, the sealing portion 33 abuts against the straight drink spout 11 to form a seal. In order to make the external air enter smoothly, as shown in fig. 1 or 7, the upper surface of the sealing plug 3 is provided with at least one vent groove 32 connecting the through hole 31 and the outside, and in this embodiment, 4 vent grooves 32 are uniformly arranged in the circumferential direction.

As shown in fig. 6, the fixing portion 21 is a hollow cylinder, the bottom of the fixing portion 21 is provided with an insertion hole 216, and the sidewall of the fixing portion is provided with at least one opening 217. The sealing plug 3 is inserted into the insertion hole 216 through the joint portion 37 provided thereon and is clamped to the fixing portion 21, as shown in fig. 5, a gap is provided between the top surface of the joint portion 37 and the hollow top surface of the fixing portion 21, so that air can pass through the gap.

When in use, as shown in fig. 5, the sealing part 33 of the sealing plug 3 is abutted against the straight drinking port 11 to form a seal; when liquid in the cup is continuously cooled to the cup to form negative pressure, the upper cover 2 is opened at the moment, the sealing plug 3 is adsorbed on the direct drinking port 11 under the action of the negative pressure, the upper cover 2 and the sealing plug 3 form a gap, external air enters the cup from the gap and the vent groove 32 through the opening 217 and the through hole 31 to communicate the internal and external balanced air pressure so as to eliminate the negative pressure, the sealing plug 3 is separated from the negative pressure influence at the moment, the direct drinking port 11 can be separated along with the upper cover 2, and a user drinks from the direct drinking port 11.

Claims

1. The utility model provides a bowl cover of self-adaptation negative pressure, includes that upper cover (2) lid locates the top of lower cover (1), is equipped with on lower cover (1) and directly drinks mouthful (11), and sealing plug (3) joint is used for sealed mouthful (11) of directly drinking at the lower surface of upper cover (2), its characterized in that: the sealing plug (3) is provided with a through hole (31) for communicating the internal and external balance air pressure.

2. The cup cover capable of self-adapting to negative pressure of claim 1, wherein: the lower surface of the sealing plug (3) is sequentially provided with a sealing part (33) and a clamping part (34) from outside to inside; the sealing part (33) is abutted against the direct drinking port (11) to form sealing; the through hole (31) is vertically arranged on the clamping part (34) in a penetrating way.

3. The cup cover capable of self-adapting to negative pressure of claim 2, wherein: the lower surface of upper cover (2) is equipped with fixed part (21), including fixed column (211) and fixed plate (212) that from the top down set gradually, is equipped with draw-in groove (35) in the middle part of joint portion (34), and sealing plug (3) are through draw-in groove (35) and fixed plate (212) joint.

4. The cup cover of self-adaptive negative pressure of claim 3, wherein: the fixing plate (212) is a long plate-shaped symmetrical structure, and two ends of the short side of the fixing plate extend outwards to form a fixing end (213); the sealing plug (3) is clamped with the fixed end (213) through the clamping groove (35), and a gap is formed between the sealing plug (3) and the long edge end (214) of the fixing plate (212).

5. The cup cover of self-adaptive negative pressure of claim 4, wherein: one side or two sides of the fixing column (211) at the long edge end (214) are provided with grooves (215), and the long edge end (214) is correspondingly inwards sunken and is provided with a concave part communicated with the grooves (215).

6. The cup cover capable of self-adapting to negative pressure of claim 3, wherein: the lower port of the through hole (31) is bent upwards to form a movable part (36) which is abutted against the bottom surface of the fixed plate (212).

7. The cup cover of self-adaptive negative pressure as claimed in claim 2, wherein: the upper end of the clamping part (34) is opened, the middle of the bottom surface of the clamping part is upwards protruded to form a combining part (37) with an inverted buckle at the top, and the through hole (31) is vertically arranged on the combining part (37) in a penetrating way.

8. The cup cover of self-adaptive negative pressure of claim 7, wherein: the lower surface of the upper cover (2) is provided with a fixing part (21) which is hollow inside, the bottom surface of the upper cover is provided with an inserting hole (216), and the side wall of the upper cover is provided with at least one opening (217); the sealing plug (3) is inserted into the insertion hole (216) through the combination part (37) and is clamped on the fixing part (21), and a gap is formed between the top surface of the combination part (37) and the hollow top surface of the fixing part (21).

9. The cup cover capable of automatically adapting to negative pressure according to any one of claims 1 to 8, characterized in that: the upper surface of the sealing plug (3) is provided with at least one vent groove (32) which is connected with the through hole (31) and the outside.

10. The cup cover capable of self-adapting to negative pressure of claim 9, wherein: 4 vent grooves (32) are uniformly formed in the circumferential direction of the upper surface of the sealing plug (3).