CN212661656U - Negative pressure prevention cup cover and stewing cup - Google Patents
Negative pressure prevention cup cover and stewing cup Download PDFInfo
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- CN212661656U CN212661656U CN202021212979.6U CN202021212979U CN212661656U CN 212661656 U CN212661656 U CN 212661656U CN 202021212979 U CN202021212979 U CN 202021212979U CN 212661656 U CN212661656 U CN 212661656U
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Abstract
The application belongs to the technical field of braising cups and provides a negative pressure prevention cup cover and a braising cup. The water sealing piece which can be communicated with the outside atmosphere through the clearance cavity is arranged in the cup cover, and the one-way air return valve which can automatically return air according to air pressure is arranged on the water sealing piece, so that the clearance cavity is sealed and isolated from the inner cavity of the cup body when the inner cavity of the cup body is in a non-negative pressure state, and the pressure in the cup is stored; when the inner cavity of the cup body is in negative pressure, the clearance cavity is communicated with the inner cavity of the cup body, the external atmosphere enters the inner cavity of the cup body through the clearance cavity and the air return valve, the air pressure in the cup is balanced with the external atmosphere, the negative pressure prevention effect is achieved, the air return channel is not easy to block, and the technical problem that a traditional cup cover is difficult to open/cannot be opened in a negative pressure state is solved. Meanwhile, the water sealing piece is fixed in a detachable mode, is convenient to disassemble and assemble and clean, and prevents dirt from being accumulated to influence the smoothness of the air return channel and the generated peculiar smell.
Description
Technical Field
The application belongs to the technical field of braising cups, and particularly relates to a negative pressure prevention cup cover and a braising cup.
Background
The stewing cup is characterized in that food (particularly soup) is placed in the cup, then boiling water which is blanched is injected, then the cover is covered tightly, the food is stewed at the temperature similar to that of the boiling water by virtue of the heat preservation function of the cup, and the stewing cup has multiple functions of stewing, boiling, heat preservation, cold preservation, convenient carrying and the like; the shape is similar to a cup and is divided into a cup body and a cup cover.
The caliber of the existing stewing cup is usually designed to be larger, and the existing stewing cup is difficult to open or even cannot be opened when negative pressure is generated in the bottle. For example, when someone pours hot soup or hot water into the bottle, covers the bottle, forgets to cover the bottle, and waits until the hot water in the bottle is cooled, negative pressure is generated, the pressure inside the bottle is lower than the pressure outside the bottle, and the cup cover is tightly sucked, so that the cup cover is difficult to open/not open. Although the inner cover of the stewing cup is provided with the pressure release valve in the market, the inner cover needs to be pressed by hands, the operation is troublesome, and the inner spring structure cannot be opened and cleaned, so that soup is left in the pressure release valve to cause stink. In addition, the spring structure can gather dirty things inside due to long time, and can be blocked, so that the exhaust is not smooth and smooth, and the spring structure can not be opened.
SUMMERY OF THE UTILITY MODEL
In view of this, the application provides a negative pressure prevention cup cover and a braising cup, which solve the problems of difficult opening/non-opening and difficult cleaning in a negative pressure state.
The specific technical scheme of the application is as follows:
a negative pressure prevention cup cover comprises a cup cover, a water sealing piece and an air return valve;
the water sealing piece is detachably arranged in the cup cover, and a gap cavity communicated with the outside atmosphere is formed between the water sealing piece and the cup cover;
the air return valve is arranged on the water sealing part and used for sealing and isolating the clearance cavity from the inner cavity of the cup body when the inner cavity of the cup body is in a non-negative pressure state; when the inner cavity of the cup body is in negative pressure, the clearance cavity is communicated with the inner cavity of the cup body.
Preferably, the air return valve comprises a connecting part and a blocking part capable of generating elastic deformation;
the water sealing piece is provided with a valve port communicated with the clearance cavity;
the connecting part is detachably connected with the water sealing part;
the blocking part is connected with the connecting part and is tightly attached to the water sealing part, and is used for blocking the valve port when the inner cavity of the cup body is in non-negative pressure state, and opening the valve port when the inner cavity of the cup body is in negative pressure state, so that the clearance cavity is communicated with the inner cavity of the cup body through the valve port.
Preferably, a fixing hole for the connecting part to pass through in the forward direction and to be fixed against in the reverse direction is formed in the center of the bottom of the water sealing part;
the valve ports are distributed around the fixing hole in a circumferential manner;
the plugging part is umbrella-shaped, and the center of the top of the plugging part is vertically connected with the connecting part.
Preferably, the water seal device further comprises a middle cover, wherein the middle cover is fixedly arranged in the cup cover and positioned at the top of the water seal piece;
a closed heat insulation layer is formed between the top of the middle cover and the cup cover; the clearance cavity is formed between the bottom of the middle cover and the water sealing piece.
Preferably, the water sealing member is detachably mounted on the middle cover and is connected with the middle cover in a clamping manner.
Preferably, the heat insulation device further comprises a heat insulation block, and the heat insulation block is arranged in the heat insulation layer.
Preferably, the cup further comprises a handle, and the handle is connected with the top of the cup cover.
A stewing cup comprises the negative pressure preventing cup cover and a cup body, wherein the cup cover is detachably connected with the cup body.
Preferably, the water seal device further comprises a water seal rubber ring, wherein the water seal rubber ring is detachably arranged at the bottom of the water seal part;
the water sealing piece is connected with the inner wall of the neck of the cup body in a sealing mode through the water sealing rubber ring.
Preferably, the negative pressure prevention cup cover is in threaded connection with the cup body.
In summary, the application provides a negative pressure preventing cup cover and a stewing cup, a water sealing piece capable of being communicated with the outside atmosphere through a clearance cavity is arranged in the cup cover, and a one-way air return valve capable of automatically returning air according to air pressure is arranged on the water sealing piece, so that when the inner cavity of the cup body is in a non-negative pressure state, the clearance cavity is sealed and isolated from the inner cavity of the cup body, and the pressure in the cup is stored; when the inner cavity of the cup body is in negative pressure, the clearance cavity is communicated with the inner cavity of the cup body, the external atmosphere enters the inner cavity of the cup body through the clearance cavity and the air return valve, the air pressure in the cup is balanced with the external atmosphere, the negative pressure prevention effect is achieved, the air return channel is not easy to block, and the technical problem that a traditional cup cover is difficult to open/cannot be opened in a negative pressure state is solved. Meanwhile, the water sealing piece is fixed in a detachable mode, is convenient to disassemble and assemble and clean, and prevents dirt from being accumulated to influence the smoothness of the air return channel and the generated peculiar smell.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is an overall structure view of a negative pressure-proof cup cover and a smoldering cup provided by an embodiment of the application;
FIG. 2 is a disassembled structure view of the negative pressure prevention cup cover and the braising cup provided by the embodiment of the application;
FIG. 3 is a partial structure view of a negative pressure prevention cup cover provided in the embodiment of the present application;
fig. 4 is a partial structure view of an air return valve of the negative pressure prevention cup lid provided in the embodiment of the present application.
Illustration of the drawings: 1. a cup cover; 11. a clearance cavity; 12. a thermal insulation layer; 13. a valve port; 2. a water sealing member; 3. an air return valve; 31. a connecting portion; 32. a plugging section; 4. a middle cover; 5. a heat insulation block; 6. a handle; 7. sealing a water rubber ring; 8. a cup body.
Detailed Description
In order to make the objects, features and advantages of the present application more obvious and understandable, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the embodiments described below are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1 to 4, an embodiment of the present application provides a negative pressure prevention cup lid, which includes a cup lid 1, a water sealing member 2 and an air return valve 3; the water sealing piece 2 is detachably arranged in the cup cover 1, and a gap cavity 11 communicated with the outside atmosphere is formed between the water sealing piece and the cup cover 1; the air return valve 3 is arranged on the water sealing part 2 and is used for sealing and isolating the clearance cavity 11 from the inner cavity of the cup body 8 when the inner cavity of the cup body 8 is in a non-negative pressure state; when the inner cavity of the cup body 8 is negative pressure, the clearance cavity 11 is communicated with the inner cavity of the cup body 8.
According to the cup, the water sealing part 2 capable of being communicated with the outside atmosphere through the clearance cavity 11 is arranged in the cup cover 1, and the one-way air return valve 3 capable of automatically returning air according to air pressure is arranged on the water sealing part 2, so that when the inner cavity of the cup body 8 is in a non-negative pressure state, the clearance cavity 11 is sealed and isolated from the inner cavity of the cup body 8, and the pressure in the cup is stored; when the inner cavity of the cup body 8 is in negative pressure, the clearance cavity 11 is communicated with the inner cavity of the cup body 8, the external atmosphere enters the inner cavity of the cup body 8 through the clearance cavity 11 and the air return valve 3, the air pressure in the cup is balanced with the external atmosphere, the negative pressure prevention effect is achieved, the air return channel is not easy to block, and the technical problem that the traditional cup cover 1 is difficult to open/cannot be opened in a negative pressure state is solved. Meanwhile, the water sealing piece 2 is fixed in a detachable mode, is convenient to disassemble and assemble and clean, and prevents accumulated dirt from influencing the smoothness of the air return channel and the generated peculiar smell.
Referring to fig. 1 to 4, another embodiment of the negative pressure prevention cup lid of the present application is provided below, which includes a cup lid 1, a water sealing member 2 and an air return valve 3; the water sealing piece 2 is detachably arranged in the cup cover 1, and a gap cavity 11 communicated with the outside atmosphere is formed between the water sealing piece and the cup cover 1; the air return valve 3 is arranged on the water sealing part 2 and is used for sealing and isolating the clearance cavity 11 from the inner cavity of the cup body 8 when the inner cavity of the cup body 8 is in a non-negative pressure state; when the inner cavity of the cup body 8 is negative pressure, the clearance cavity 11 is communicated with the inner cavity of the cup body 8.
Further, the air return valve 3 comprises a connecting part 31 and a blocking part 32 capable of generating elastic deformation; the water sealing part 2 is provided with a valve port 13 communicated with the clearance cavity 11; the connecting part 31 is detachably connected with the water sealing part 2; the blocking part 32 is connected with the connecting part 31 and is tightly attached to the water sealing part 2, and is used for blocking the valve port 13 when the inner cavity of the cup body 8 is in non-negative pressure state, and opening the valve port 13 when the inner cavity of the cup body 8 is in negative pressure state, so that the clearance cavity 11 is communicated with the inner cavity of the cup body 8 through the valve port 13.
In the embodiment of the present application, the blocking portion 32 can block the valve port 13, so that the inner cavity of the cup body 8 maintains pressure. Meanwhile, the plugging part 32 can generate unidirectional elastic deformation only when the inner cavity of the cup body 8 is in a negative pressure state according to the change of air pressure, so that the inner cavity of the cup body 8 is communicated with the clearance cavity 11 and the outside atmosphere through the valve port 13, the pressure of the inner cavity of the cup body 8 is recovered to the normal pressure, and the problem that the inner cavity of the cup body is difficult to open in the negative pressure state is solved. The blocking part 32 is in direct contact with the valve port 13, and the structure for controlling the opening and closing of the valve port 13 by utilizing elastic deformation is simple in arrangement and high in sensitivity. The plugging portion 32 can be made of safe and nontoxic elastic materials such as silica gel. Of course, the air return valve 3 may also be an air path check valve composed of a valve body, a valve cover and a diaphragm, all for the purpose of realizing the function of the check valve according to the air pressure change, and is not limited specifically.
Furthermore, a fixing hole for the connecting part 31 to pass through in the forward direction and to be fixed against in the reverse direction is formed in the center of the bottom of the water sealing part 2; the valve ports 13 are distributed around the fixed hole in a circumferential manner; the plugging portion 32 is umbrella-shaped, and the top center thereof is vertically connected to the connecting portion 31.
In the embodiment of the application, the valve ports 13 are arranged around the fixed hole and are matched with the umbrella-shaped blocking part 32, so that the air return valve 3 has stronger air pressure sensing capability, and the air return sensitivity is further improved; meanwhile, the air return channel is not easily influenced by blockage, and even if a single valve port 13 is blocked, the use is not influenced, and the use is smoother. The connecting portion 31 may also be made of an elastic material, and the connecting portion 31 is abutted and fixed with the fixing hole through a connector with a diameter larger than that of the connecting portion 31. Of course, the connecting portion 31 may be connected to the top edge of the blocking portion 32, and is not limited in particular.
Further, the cup further comprises a middle cover 4, wherein the middle cover 4 is fixedly arranged on the top of the water sealing piece 2 in the cup cover 1; a closed heat insulation layer 12 is formed between the top of the middle cover 4 and the cup cover 1; a clearance cavity 11 is formed between the bottom of the middle cover 4 and the water sealing piece 2.
In the embodiment of the application, the middle cover 4 and the cup cover 1 can be fixed in an ultrasonic fusion mode, so that the heat insulation layer 12 has better sealing performance, and the heat insulation effect is better realized. The clearance cavity 11 is isolated from the heat insulation layer 12 through the middle cover 4, so that the temperature influence of the external low-temperature atmosphere on the inner cavity of the cup body 8 can be reduced to the minimum, and a certain heat insulation function is realized.
Further, the water sealing member 2 is detachably mounted on the middle cover 4 and is connected with the middle cover 4 in a clamping manner.
In this application embodiment, can be equipped with flange portion on the lateral wall of water sealing member 2, be equipped with on the lateral wall of well lid 4 and can offset fixed recess with flange portion, such connected mode occupation space not, also makes things convenient for the dismouting of water sealing member 2.
Further, the heat insulation block 5 is further included, and the heat insulation block 5 is arranged in the heat insulation layer 12.
In the embodiment of the application, the heat insulation block 5 can be made of materials with good heat insulation performance such as foaming materials, and the purpose is to enhance the heat insulation effect of the cup cover 1.
Further, the cup cover also comprises a handle 6, and the handle 6 is connected with the top of the cup cover 1.
In the embodiment of the present application, the handle 6 may be made of an elastic material such as silica gel, and includes a body and a clip, where the body includes a lifting portion and an end portion. The top of the cup cover 1 is provided with an opening through which the lifting part can pass, the end part of the cup cover is sealed and propped against the opening at the top of the cup cover 1, and the cup cover 1 can be lifted by a lifting handle 6. The fastener passes through the through-hole at center and carries the portion of drawing to it is fixed with the sealed counterbalance of opening, the fastener is used for the atmospheric air in shutoff outside to enter into 1 tops of bowl cover, and prevents that handle 6 from dropping inside bowl cover 1. Of course, the handle 6 may be designed in other forms, all for achieving the lifting function thereof, and is not limited in particular.
Referring to fig. 1-2, an embodiment of the smoldering cup of the present application is provided below, which includes the negative pressure-proof cup lid and the cup body 8 of the above embodiment, and the cup lid 1 is detachably connected to the cup body 8.
In this application embodiment, bowl cover 1 and cup body 8 can be threaded connection, also can be connected through forms such as buckle, as long as guarantee bowl cover 1 and cup body 8 closely fixed can.
Furthermore, the water seal device also comprises a water seal rubber ring 7, wherein the water seal rubber ring 7 is detachably arranged at the bottom of the water seal part 2; the water sealing piece 2 is connected with the inner wall of the neck part of the cup body 8 in a sealing way through a water sealing rubber ring 7.
In the embodiment of the application, the airtight state of the water sealing part 2 and the neck of the cup body 8 is achieved through the arrangement of the water sealing rubber ring 7, the airtightness of the inner cavity of the cup body 8 of the stewing cup is guaranteed, and the stewing cup is effectively prevented from being toppled to leak water or the external atmosphere enters the inner cavity of the cup body 8 through the gap of the neck of the cup body 8. Of course, the water sealing rubber ring 7 is not necessary, and the outer side wall of the water sealing member 2 can be tightly connected with the neck of the cup cover 1.
Take to prevent between negative pressure bowl cover and the cup body 8 for threaded connection as the example, give the application of this application smoldering cup's concrete application example:
food and hot water are put into the cup, the cup cover 1 is screwed up through threads, the air pressure of the inner cavity of the cup body 8 is higher than the external air pressure in the stewing process, and at the moment, the blocking part 32 of the air return valve 3 is tightly attached to and upwards pushes the water sealing piece 2 under the extrusion of the air pressure of the inner cavity of the cup body 8 and blocks the valve port 13, so that the sealing property of the inner cavity is ensured, and the external air is prevented from entering. The water sealing piece 2 and the neck of the cup body 8 are also in a sealing state under the action of the water sealing rubber ring 7, so that the braising cup can be used in an inclined and swinging state. When the temperature descends in the cup, 8 inner chamber atmospheric pressure of cup body is less than external atmospheric pressure, the shutoff portion 32 of return valve 3 produces elastic deformation under the effect of 8 inner chamber atmospheric pressure of cup body this moment, make valve port 13 opened, external atmosphere through bowl cover 1 and 8 threaded fit clearances of cup body, clearance cavity 11 and the valve port 13 between water seal 2 and the well lid 4 get into 8 inner chambers of cup body, cup internal gas pressure and external atmosphere keep balance, the problem of being difficult to open because of negative pressure effect bowl cover 1 has been avoided. After the air pressure in the cup returns to the normal atmospheric pressure, the deformation of the blocking part 32 is also restored to the initial state correspondingly, namely, the valve port 13 is blocked by clinging to the water sealing piece 2. If the cup cover 1 needs to be cleaned, the water sealing part 2 is detached from the groove on the middle cover 4 only by applying force slightly, the clearance cavity 11, the valve port 13, the water sealing part 2 and the air return valve 3 can be cleaned comprehensively, and peculiar smell generated by an air return channel after long-term use is avoided.
The above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.
Claims (10)
1. A negative pressure prevention cup cover is characterized by comprising a cup cover, a water sealing piece and an air return valve;
the water sealing piece is detachably arranged in the cup cover, and a gap cavity communicated with the outside atmosphere is formed between the water sealing piece and the cup cover;
the air return valve is arranged on the water sealing part and used for sealing and isolating the clearance cavity from the inner cavity of the cup body when the inner cavity of the cup body is in a non-negative pressure state; when the inner cavity of the cup body is in negative pressure, the clearance cavity is communicated with the inner cavity of the cup body.
2. The negative pressure preventing cup lid as claimed in claim 1, wherein the air return valve comprises a connecting part and a blocking part capable of generating elastic deformation;
the water sealing piece is provided with a valve port communicated with the clearance cavity;
the connecting part is detachably connected with the water sealing part;
the blocking part is connected with the connecting part and is tightly attached to the water sealing part, and is used for blocking the valve port when the inner cavity of the cup body is in non-negative pressure state, and opening the valve port when the inner cavity of the cup body is in negative pressure state, so that the clearance cavity is communicated with the inner cavity of the cup body through the valve port.
3. The negative pressure preventing cup cover according to claim 2, characterized in that a fixing hole for the connecting part to pass through in the forward direction and to be fixed against in the reverse direction is formed in the center of the bottom of the water sealing part;
the valve ports are distributed around the fixing hole in a circumferential manner;
the plugging part is umbrella-shaped, and the center of the top of the plugging part is vertically connected with the connecting part.
4. The negative pressure preventing cup cover according to claim 1, further comprising a middle cover fixedly arranged in the cup cover at the top of the water sealing member;
a closed heat insulation layer is formed between the top of the middle cover and the cup cover; the clearance cavity is formed between the bottom of the middle cover and the water sealing piece.
5. The negative pressure preventing cup lid as claimed in claim 4, wherein the water sealing member is detachably mounted on the middle lid and is connected with the middle lid in a clamping manner.
6. The negative pressure-proof cup lid as claimed in claim 4, further comprising a heat insulation block, wherein the heat insulation block is arranged in the heat insulation layer.
7. The negative pressure preventing cup cover of claim 1, further comprising a handle connected with the top of the cup cover.
8. A stewing cup is characterized by comprising the negative pressure preventing cup cover and a cup body, wherein the cup cover is detachably connected with the cup body.
9. The stewing cup according to claim 8, further comprising a water sealing rubber ring, wherein the water sealing rubber ring is detachably arranged at the bottom of the water sealing piece;
the water sealing piece is connected with the inner wall of the neck of the cup body in a sealing mode through the water sealing rubber ring.
10. The stewing cup as claimed in claim 8, wherein the negative pressure-proof cup cover is in threaded connection with the cup body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021212979.6U CN212661656U (en) | 2020-06-28 | 2020-06-28 | Negative pressure prevention cup cover and stewing cup |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021212979.6U CN212661656U (en) | 2020-06-28 | 2020-06-28 | Negative pressure prevention cup cover and stewing cup |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212661656U true CN212661656U (en) | 2021-03-09 |
Family
ID=74818046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021212979.6U Active CN212661656U (en) | 2020-06-28 | 2020-06-28 | Negative pressure prevention cup cover and stewing cup |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212661656U (en) |
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2020
- 2020-06-28 CN CN202021212979.6U patent/CN212661656U/en active Active
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