Pressure relief blowout prevention vacuum cup
By incorporating a sealing plate and a return spring into the thermos, the problem of hot water splashing is solved, achieving safe pressure balance and convenient heating control, thus improving the user experience.
Patent Information
- Application Number
- CN202520172850.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-26
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2035-01-26
AI Technical Summary
When hot water is inside a thermos, opening the lid can cause hot water to splash out, posing a risk of scalding the skin.
A pressure-relief, anti-spray thermos cup was designed. By setting a sealing plate and a return spring on the cup lid, the opening and closing of the pressure relief hole is controlled by a push key to achieve internal pressure balance. It is also equipped with a heating structure for temperature control and indication.
It effectively prevents hot water from splashing when the lid is opened, ensuring safe use, and provides convenient temperature control and indicator functions through the heating structure.
Smart Images

Figure CN223601210U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of vacuum cup, concretely to a pressure relief anti-spraying vacuum cup. BACKGROUND
[0002] Vacuum cup develops from vacuum bottle, and the heat preservation principle is the same as vacuum bottle, only people make bottle into cup for convenience, vacuum cup has the functions of heat preservation and cold preservation, can use vacuum cup to fill in ice water or ice block in summer, can enjoy the feeling of cool at any time, can fill in hot water in winter, can drink hot boiled water at any time, and is very popular among people, vacuum cups are various, and at present, vacuum technology is most popular in vacuum cup vessels;
[0003] According to the Chinese patent publication No. CN211408477U, the vacuum water cup with a controllable heat preservation layer solves the need for providing vacuum heat preservation characteristics in different use environments through the simplest way, when heat preservation is needed, the heat preservation layer forms a temperature insulation negative pressure vacuum layer after pulling the air cylinder several times, because the relief valve and the self-closing valve in the top anti-backflow chamber of the air cylinder are normally closed; when heat preservation is not needed, the negative pressure vacuum can be released by manually pressing the relief valve button, so that air enters the heat preservation layer to conduct heat between the inner and outer barrels, and the water temperature in the cup changes quickly; the utility model has a simple and convenient structure, the air cylinder is manually operated instead of electrically operated, so potential electrical hazards and safety hazards caused by chemical leakage of the battery are avoided, the user can adjust the heat preservation of the cup at will, and the user's needs are met;
[0004] However, the above-mentioned device has the problem that when hot water is stored in the vacuum cup, the pressure in the vacuum cup is high, and hot water is easy to splash out when the cup cover is opened, causing burns. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a pressure relief anti-spraying vacuum cup to solve the problems in the background art.
[0006] In order to solve the above technical problems, the utility model provides the following technical scheme: a pressure relief anti-spraying vacuum cup, comprising a main body structure and a heating structure, the main body structure is provided with a heating structure at the bottom;
[0007] The body structure comprises a cup shell, a heat preservation inner container is arranged inside the cup shell, a cup cover seat is arranged at the top of the cup shell, a cup cover is arranged at the top of the cup cover seat, an installation groove is formed in the cup cover seat, a sealing plate is slidably connected inside the installation groove, a return spring is fixedly connected to the outer wall of the sealing plate, a push key is fixedly connected to the top of the sealing plate, a pressure relief hole is formed at the top right end of the cup cover seat, a connecting seat is clamped inside the pressure relief hole, a suction nozzle is fixedly connected to the top of the connecting seat, and a suction pipe is fixedly connected to the bottom of the connecting seat.
[0008] Preferably, a vacuum layer is formed between the cup shell and the heat preservation inner container, an internal thread is arranged on the inner wall of the cup cover seat, a threaded ring is arranged on the upper end of the cup shell, and the cup shell and the cup cover seat are threadedly connected.
[0009] Preferably, fixing grooves are formed in the outer walls of the connecting seat, fixing springs are fixedly connected to the inner walls of the fixing grooves, and fixing blocks are fixedly connected to the top of the fixing springs.
[0010] Preferably, positioning grooves are formed in the inner walls of the pressure relief hole, and the shapes and sizes of the positioning grooves are matched with those of the fixing grooves.
[0011] Preferably, one end of the return spring, which is away from the sealing plate, is fixedly connected to the inner wall of the installation groove, a moving groove is formed in the upper surface of the cup cover seat, the top of the push key extends to the top of the cup cover seat through the moving groove, and the installation groove is in communication with the pressure relief hole.
[0012] Preferably, the heating structure comprises a heating seat, a stainless steel heating sheet is arranged inside the heating seat, a power supply interface is arranged on one side of the outer wall of the heating seat, a prompt lamp is arranged on the other side of the outer wall of the heating seat, a ceramic heat conducting sheet is attached to the top of the stainless steel heating sheet, and a temperature controller is arranged at the bottom of the stainless steel heating sheet.
[0013] Preferably, the prompt lamp is electrically connected with the power supply interface, the power supply interface is electrically connected with the stainless steel heating sheet, and the stainless steel heating sheet and the power supply interface are respectively electrically connected with the temperature controller.
[0014] Compared with the prior art, the present application has the following beneficial effects:
[0015] Firstly, when the heat preservation cup contains hot water and the internal pressure of the heat preservation cup is relatively large, the cup cover is opened, the push key on the cup cover seat is pushed, the push key drives the sealing plate in the installation groove to slide to one end of the return spring, and simultaneously drives the sealing plate to retract into the installation groove, so that the pressure relief hole is opened, the internal and external pressures of the cup body are balanced, and the influence of negative pressure is eliminated; when the internal and external pressures of the cup body are balanced, the push key is loosened, the sealing plate is driven by the force of the return spring to reseal the pressure relief hole, and the drink in the cup body is prevented from flowing out of the pressure relief hole during carrying or drinking.
[0016] Second, the utility model discloses when needing the water in the vacuum cup of heating, connect power supply and power supply interface, stainless steel heating sheet works, the heat of stainless steel heating sheet is conducted to the liquid in the heat preservation inner bag through ceramic heat conducting sheet, realizes the heating of water. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is the whole structure schematic diagram of the utility model;
[0018] Figure 2 It is the internal structure schematic diagram of the utility model;
[0019] Figure 3 It is the Figure 2 The structure enlarged schematic diagram of A place;
[0020] Figure 4 It is the Figure 2 The structure enlarged schematic diagram of B place.
[0021] Wherein: 1, main body structure;101, cup body shell;102, heat preservation inner bag;103, cup cover seat;104, cup cover;105, installation slot;106, sealing plate;107, reset spring;108, push key;109, pressure relief hole;110, connecting seat;111, anti-spray suction nozzle;112, suction pipe;113, fixed recess;114, fixed spring;115, fixed block;2, heating structure;201, heating seat;202, stainless steel heating sheet;203, power supply interface;204, prompt lamp;205, ceramic heat conducting sheet;206, temperature controller. DETAILED DESCRIPTION
[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.
[0023] The utility model provides the following technical scheme:
[0024] Embodiment one
[0025] Please refer to Figures 1-4 A kind of pressure relief anti-spray vacuum cup, including main body structure 1 and heating structure 2, main body structure 1 bottom is provided with heating structure 2;
[0026] The main body structure 1 comprises a cup shell 101, a heat preservation inner container 102 is arranged inside the cup shell 101, a cup cover seat 103 is arranged at the top of the cup shell 101, a cup cover 104 is arranged at the top of the cup cover seat 103, an installation groove 105 is arranged inside the cup cover seat 103, a sealing plate 106 is slidably connected inside the installation groove 105, a return spring 107 is fixedly connected to the outer wall of the sealing plate 106, a push key 108 is fixedly connected to the top of the sealing plate 106, a pressure relief hole 109 is arranged at the top right end of the cup cover seat 103, a connecting seat 110 is clamped inside the pressure relief hole 109, a anti-spray nozzle 111 is fixedly connected to the top of the connecting seat 110, and a suction pipe 112 is fixedly connected to the bottom of the connecting seat 110.
[0027] A vacuum layer is formed between the cup shell 101 and the heat preservation inner container 102, the inner wall of the cup cover seat 103 is provided with internal threads, the upper end of the cup shell 101 is provided with a threaded ring, and the cup shell 101 is screwed with the cup cover seat 103.
[0028] The outer walls of the connecting seat 110 are provided with fixed grooves 113, the inner walls of the fixed grooves 113 are fixedly connected with fixed springs 114, and the top of the fixed springs 114 is fixedly connected with fixed blocks 115.
[0029] The inner walls of the pressure relief hole 109 are provided with positioning grooves, and the shape and size of the positioning grooves are matched with the shape and size of the fixed grooves 113.
[0030] The end of the return spring 107 away from the sealing plate 106 is fixedly connected to the inner wall of the installation groove 105, the upper surface of the cup cover seat 103 is provided with a moving groove, the top of the push key 108 extends to the top of the cup cover seat 103 through the moving groove, and the installation groove 105 is in communication with the pressure relief hole 109.
[0031] When the heat preservation cup contains hot water and the internal pressure of the heat preservation cup is large, the cup cover 104 is opened, the push key 108 on the cup cover seat 103 is pushed, the push key 108 drives the sealing plate 106 in the installation groove 105 to slide to the end of the return spring 107, and at the same time, the sealing plate 106 is retracted into the installation groove 105, the pressure relief hole 109 is opened, the pressure inside and outside the cup is balanced, and the influence of negative pressure is eliminated.
[0032] When the pressure relief hole 109 is opened, the connecting seat 110 is inserted into the pressure relief hole 109, when the fixing groove 113 on the connecting seat 110 is aligned with the positioning groove on the pressure relief hole 109, the fixing spring 114 in the fixing groove 113 gives the fixing block 115 an outward force, so that the fixing block 115 is clamped into the cup cover seat 103, and the anti-spray nozzle 111 and the straw 112 can be easily drunk, the structure is simple, and the anti-spray nozzle 111 and the straw 112 can be easily disassembled and cleaned, and the health is ensured.
[0033] Embodiment two
[0034] Please refer to Figures 1-4 And on the basis of embodiment one, further obtained: the heating structure 2 includes a heating seat 201, a stainless steel heating sheet 202 is arranged in the heating seat 201, a power supply interface 203 is arranged on one side of the outer wall of the heating seat 201, and a prompt lamp 204 is arranged on the other side of the outer wall of the heating seat 201, a ceramic heat-conducting sheet 205 is attached to the top of the stainless steel heating sheet 202, and a temperature controller 206 is arranged at the bottom of the stainless steel heating sheet 202.
[0035] The prompt lamp 204 is electrically connected with the power supply interface 203, the power supply interface 203 is electrically connected with the stainless steel heating sheet 202, and the stainless steel heating sheet 202 and the power supply interface 203 are electrically connected with the temperature controller 206 respectively.
[0036] Through the above technical scheme, when the water in the vacuum cup needs to be heated, the power supply is connected with the power supply interface 203, the stainless steel heating sheet 202 works, the heat generated by the stainless steel heating sheet 202 is conducted to the liquid in the vacuum inner container 102 through the ceramic heat-conducting sheet 205, and the heating of the water is realized. When the temperature of the liquid rises, the temperature of the water is inducted through the temperature controller 206, and the user is prompted through the prompt lamp 204, which is safe and reliable. In the utility model, the power supply interface 203 is a USB interface, the power supply interface 203, the stainless steel heating sheet 202, the temperature controller 206 and the internal circuit are all prior art.
[0037] Although the specific embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these specific embodiments without departing from the principles and spirits, the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A pressure-relief, anti-splash thermos cup, comprising a main structure (1) and a heating structure (2), characterized in that: The main structure (1) is provided with a heating structure (2) at the bottom; The main structure (1) includes a cup shell (101), an insulated inner liner (102) is provided inside the cup shell (101), a cup lid seat (103) is provided on the top of the cup shell (101), a cup lid (104) is provided on the top of the cup lid seat (103), an installation groove (105) is provided inside the cup lid seat (103), a sealing plate (106) is slidably connected inside the installation groove (105), a return spring (107) is fixedly connected to the outer wall of the sealing plate (106), a push key (108) is fixedly connected to the top of the sealing plate (106), a pressure relief hole (109) is provided at the top right end of the cup lid seat (103), a connecting seat (110) is snapped into the pressure relief hole (109), a spray nozzle (111) is fixedly connected to the top of the connecting seat (110), and a straw (112) is fixedly connected to the bottom of the connecting seat (110).
2. The pressure-relief, anti-spray thermos cup according to claim 1, characterized in that: A vacuum layer is formed between the outer shell (101) of the cup body and the heat-insulating inner liner (102). The inner wall of the cup lid seat (103) is provided with an internal thread. The upper end of the outer shell (101) of the cup body is provided with a threaded ring. The outer shell (101) of the cup body and the cup lid seat (103) are threadedly engaged.
3. The pressure-relief, anti-spray thermos cup according to claim 1, characterized in that: The connecting seat (110) has a fixing groove (113) on both outer walls. A fixing spring (114) is fixedly connected to the inner wall of the fixing groove (113). A fixing block (115) is fixedly connected to the top of the fixing spring (114).
4. The pressure-relief, anti-spray thermos cup according to claim 1, characterized in that: The pressure relief hole (109) has positioning grooves on both sides of its inner wall, and the shape and size of the positioning grooves are adapted to the shape and size of the fixing groove (113).
5. A pressure-relief, anti-spray thermos cup according to claim 1, characterized in that: The end of the return spring (107) away from the sealing plate (106) is fixedly connected to the inner wall of the mounting groove (105). A moving groove is provided on the upper surface of the cup lid seat (103). The top of the push key (108) extends through the moving groove to the top of the cup lid seat (103). The mounting groove (105) is connected to the pressure relief hole (109).
6. A pressure-relief, anti-spray thermos cup according to claim 1, characterized in that: The heating structure (2) includes a heating base (201), inside which is a stainless steel heating element (202). A power supply interface (203) is provided on one side of the outer wall of the heating base (201), and an indicator light (204) is provided on the other side of the outer wall. A ceramic heat-conducting sheet (205) is attached to the top of the stainless steel heating element (202), and a temperature controller (206) is provided at the bottom of the stainless steel heating element (202).
7. A pressure-relief, anti-spray thermos cup according to claim 6, characterized in that: The indicator light (204) is electrically connected to the power supply interface (203), and the power supply interface (203) is electrically connected to the stainless steel heating element (202); the stainless steel heating element (202) and the power supply interface (203) are respectively electrically connected to the temperature controller (206).
Citation Information
Patent Citations
Heat preservation water cup with vacuum-controllable heat preservation layer
CN211408477U