Negative pressure one-way cap with prompt function

Abstract

The utility model relates to the technical field of negative pressure vacuum pumping, and provides a negative pressure one-way cap with a prompt function, which comprises a negative pressure one-way cap and a bottle body, the negative pressure one-way cap comprises a cap, the top of the cap is provided with a negative pressure concave area, and the negative pressure concave area is composed of a plurality of groups of negative pressure prompt petals. The multiple sets of negative pressure prompting valves are arranged at equal intervals along the center of the negative pressure concave area, a gap is formed between every two adjacent negative pressure prompting valves, the bottom ends of the negative pressure prompting valves are movably connected to the inner side wall of the negative pressure concave area in a clamped mode, the top ends of the multiple sets of negative pressure prompting valves are flush with the top end of the cover cap after being closed, and a fixing base is fixedly bonded to the outer wall of one side of the cover cap. A fixing paste is fixedly adhered to the bottom of the fixing seat, a sealing ring is arranged at the bottom of the cap, and the horizontal height of the sealing ring is consistent with that of the fixing paste; according to the utility model, an operator can be conveniently prompted to judge whether the sealing device is in a negative pressure state or not, so that corresponding adjustment or control measures can be conveniently taken, and the purposes of optimizing the working process and improving the safety are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to negative pressure vacuum air exhaust technical field, specifically, relate to a negative pressure one -way cap with prompting function. BACKGROUND

[0002] Negative pressure vacuum air exhaust refers to using a vacuum pump or other negative pressure generating equipment to exhaust the gas in a closed space, thereby reducing the pressure of the space and making it reach a state lower than atmospheric pressure. Negative pressure vacuum air exhaust is widely used in various fields requiring low pressure environment, such as vacuum packaging, vacuum drying, vacuum coating, vacuum smelting, etc. In addition, in the medical field, negative pressure vacuum air exhaust is also commonly used to aspirate and collect liquid, gas or particles in the body.

[0003] In the fields of food packaging, gas storage and transportation, scientific experiments, etc., bottle negative pressure vacuum air exhaust is also indispensable. By using a vacuum pump or other negative pressure equipment, the air or other gas inside the bottle is exhausted, so that a certain negative pressure state is formed inside the bottle. The purpose of this process is to ensure that there is no residual gas inside the bottle, thereby improving the safety and stability of the stored or transported goods.

[0004] For example: the existing patent: authorization announcement number (CN 218160331 U) discloses a negative pressure generator matched with vacuum chuck, comprising a first protective shell, a second protective shell and a negative pressure generating structure, the lower end of the first protective shell is fixedly connected with the second protective shell, the side end of the second protective shell is fixedly connected with the negative pressure generating structure, the negative pressure generating structure comprises a negative pressure pump part, a control switch, a connection panel and a flow control valve, the negative pressure pump part is arranged in the inner center of the negative pressure generating structure, the front end of the negative pressure generating structure is provided with the connection panel, one side of the connection panel is installed with the control switch, the other side of the connection panel is installed with the flow control valve, the negative pressure generating structure further comprises a wiring seat, a first wire, a voltage stabilizing circuit board, a second wire and a power connector, the rear end of the control switch is in electrical connection with the wiring seat, through the setting of the negative pressure generating structure, the negative pressure adsorption function is realized, which is convenient for matching with the vacuum chuck.

[0005] However, the above-mentioned patent not only has complex operation in the process of negative pressure vacuum air exhaust, but also cannot indirectly measure the gas pressure, so as to judge the state of negative pressure vacuum, increase the work flow and reduce the safety. In view of this, the utility model provides a negative pressure one-way cap with prompting function, which is used for monitoring and prompting the state of negative pressure vacuum by combining the negative pressure vacuum technology and the new component with prompting function. UTILITY MODEL CONTENTS

[0006] The utility model provides a negative pressure one-way cap with prompting function, which solves the problem of inconvenient monitoring and prompting the state of negative pressure vacuum in the process of existing negative pressure vacuum air exhaust.

[0007] The technical scheme of the utility model discloses

[0008] A negative pressure one-way cap with prompting function, including negative pressure one-way cap and bottle body, the negative pressure one-way cap includes cap, the top of cap is equipped with negative pressure recessed area, the negative pressure recessed area is composed of multiple groups of negative pressure prompting petal, multiple groups the negative pressure prompting petal is arranged at equidistance interval along the center of negative pressure recessed area, the negative pressure prompting petal between adjacent is equipped with gap, and the bottom end of multiple groups the negative pressure prompting petal is movably connected on the inner side wall of negative pressure recessed area, the top end of multiple groups the negative pressure prompting petal is flush with the top end of cap after closing, the lateral outer wall of cap is fixedly bonded with fixed seat, the bottom of fixed seat is fixedly bonded with fixed paste, the bottom of cap is equipped with sealing ring, the horizontal height of sealing ring and fixed paste is consistent, the top surface thickness of negative pressure recessed area is less than the outer side wall thickness of cap.

[0009] Preferably, the bottom of the negative pressure one-way cap is fixedly connected with a guide rod, the two sides of the guide rod are respectively connected with a first limiting rod and a second limiting rod, and the first limiting rod and the second limiting rod are cross-distributed along the length direction of the guide rod.

[0010] Preferably, the top of the bottle body is provided with a sealing cover, the top of the sealing cover is fixedly provided with a vacuum cup, and the top of the vacuum cup is connected with a suction pipe.

[0011] Preferably, the negative pressure one-way cap is arranged in the vacuum cup, and is fixedly bonded to the top of the sealing cover through the fixed paste.

[0012] Preferably, the vacuum cup is a transparent material member, and one end of the suction pipe is connected with a suction pump.

[0013] Preferably, the top surface of the sealing cover is provided with a gas hole penetrating through the cap.

[0014] Preferably, the bottom end of the guide rod is inserted into the bottle body, and the first limiting rod and the second limiting rod are respectively clamped on the inner side wall of the bottle body.

[0015] The working principle and beneficial effects of the utility model are as follows:

[0016] The utility model discloses: compact and reasonable structure design, convenient to use, when using, first negative pressure one-way cap is adhered to the top of sealing cover through fixed paste, then in proper order vacuum cup combination suction pipe is installed, and one end of suction pipe is connected to suction pump, and through starting suction pump, vacuum suction work is started, when the bottle body is in vacuum state, because of the negative pressure effect, can make multiple groups of negative pressure prompt petal to be in the open state, and in the negative pressure vacuum suction process, it is convenient for prompting operator to judge whether the bottle body is in the negative pressure state, thereby it is convenient to make corresponding adjustment or control measure, reach the optimization work flow and the purpose of improving security, and can ensure that the negative pressure environment in the technological process reaches the predetermined requirement, thereby improving the quality and reliability of product. BRIEF DESCRIPTION OF DRAWINGS

[0017] The utility model will be further explained in detail in connection with the drawings and specific embodiment.

[0018] Fig. 1 It is the structural schematic diagram of negative pressure one-way cap of the utility model.

[0019] Fig. 2 It is the prompt effect schematic diagram of negative pressure one-way cap of the utility model.

[0020] Fig. 3 It is the assembly schematic diagram of negative pressure one-way cap and guide rod of the utility model.

[0021] Fig. 4 It is the whole structure work schematic diagram of the utility model.

[0022] In the drawing: 1, negative pressure one-way cap;101, cap;102, negative pressure recessed area;103, negative pressure prompt petal;104, fixed seat;105, fixed paste;106, sealing ring;2, guide rod;3, first limit rod;4, second limit rod;5, vacuum cup;6, bottle body;7, sealing cover;8, suction pipe. SPECIFIC EMBODIMENT

[0023] The technical scheme in the utility model embodiment will be described clearly and completely in connection with the utility model embodiments, and 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 ordinary skill in the art without making creative labor are involved in the protection scope of the utility model.

[0024] For example, Figs. 1-4As shown, the embodiment proposes a negative pressure one-way cap with prompting function, which comprises a negative pressure one-way cap 1 and a bottle body 6. The negative pressure one-way cap 1 comprises a cap 101. The top of the cap 101 is provided with a negative pressure recessed area 102. The negative pressure recessed area 102 is composed of a plurality of negative pressure prompting petals 103. The plurality of negative pressure prompting petals 103 are arranged at equal intervals along the center of the negative pressure recessed area 102. The adjacent negative pressure prompting petals 103 are provided with gaps. The bottom ends of the plurality of negative pressure prompting petals 103 are movably connected to the inner side wall of the negative pressure recessed area 102. The top ends of the plurality of negative pressure prompting petals 103 are flush with the top end of the cap 101 after being closed. A fixed seat 104 is fixedly connected to one side of the outer wall of the cap 101. A fixed patch 105 is fixedly connected to the bottom of the fixed seat 104. A sealing ring 106 is arranged at the bottom of the cap 101. The height of the sealing ring 106 is consistent with that of the fixed patch 105. The thickness of the top surface of the negative pressure recessed area 102 is less than that of the outer side wall of the cap 101.

[0025] In the embodiment, when the inside of the bottle body 6 is in a vacuum state, the plurality of negative pressure prompting petals 103 can be opened due to the negative pressure. The operator can be prompted to determine whether the bottle body 6 is in a negative pressure state during the negative pressure vacuum air extraction process, so as to make corresponding adjustment or control measures, optimize the work process, improve the safety, ensure that the negative pressure environment in the process meets the predetermined requirements, and improve the quality and reliability of the product.

[0026] Further, the bottom of the negative pressure one-way cap 1 is fixedly connected with a guide rod 2. The two sides of the guide rod 2 are respectively connected with a first limiting rod 3 and a second limiting rod 4. The first limiting rod 3 and the second limiting rod 4 are cross-distributed along the length direction of the guide rod 2. The first limiting rod 3 and the second limiting rod 4 form a limiting action with the inner side wall of the bottle body 6, so as to provide the connection stability between the negative pressure one-way cap 1 and the sealing cover 7 during the negative pressure vacuum air extraction process, thereby improving the work stability.

[0027] Further, the top of the bottle body 6 is provided with a sealing cover 7. The top of the sealing cover 7 is fixedly provided with a vacuum cup 5. The top of the vacuum cup 5 is connected with an air extraction pipe 8. The negative pressure one-way cap 1 is arranged in the inside of the vacuum cup 5 and is fixedly connected to the top of the sealing cover 7 through the fixed patch 105. The vacuum cup 5 is made of transparent material, so as to facilitate the operator to observe the closed state of the negative pressure prompting petals 103, thereby identifying the negative pressure vacuum state of the bottle body 6.

[0028] Further, one end of the air extraction pipe 8 is connected with an air extraction pump. The top surface of the sealing cover 7 is provided with an air hole which is in communication with the cap 101.

[0029] Further, the bottom end of the guide rod 2 is inserted into the inside of the bottle body 6. The first limiting rod 3 and the second limiting rod 4 are respectively clamped to the inner side wall of the bottle body 6.

[0030] It needs to be explained: the utility model provides a negative pressure one -way cap with prompt function, this structure design is compact and reasonable, convenient to use, in use, first negative pressure one -way cap 1 is pasted in the top of sealing cover 7 through fixed paste 105, then in proper order vacuum cup 5 is installed good suction pipe 8, one end of suction pipe 8 is connected suction pump, through starting suction pump begins vacuum suction work, when bottle body 6 inside is in vacuum state, because of negative pressure effect, can make multiple negative pressure prompt petal 103 be in open state, be convenient for prompt operator to judge whether bottle body 6 is in negative pressure state, to make corresponding adjustment or control measure, reach the optimization work flow and the purpose of improving security, and can ensure that the negative pressure environment in the process reaches the predetermined requirement, thereby improving the quality and reliability of product.

[0031] The above is only the preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A negative pressure one-way cap with a prompting function, comprising a negative pressure one-way cap (1) and a bottle body (6), characterized in that, The negative pressure one-way cap (1) comprises a cap (101), the top of the cap (101) is provided with a negative pressure recess area (102), the negative pressure recess area (102) is composed of a plurality of negative pressure prompt petals (103), a plurality of the negative pressure prompt petals (103) are arranged at equidistant intervals along the center of the negative pressure recess area (102), a gap is arranged between adjacent negative pressure prompt petals (103), and the bottom end of a plurality of the negative pressure prompt petals (103) is movably connected to the inner side wall of the negative pressure recess area (102), the top end of a plurality of the negative pressure prompt petals (103) is flush with the top end of the cap (101) after being closed, a fixed seat (104) is fixedly connected to one side of the outer wall of the cap (101), a fixed patch (105) is fixedly connected to the bottom of the fixed seat (104), a sealing ring (106) is arranged at the bottom of the cap (101), the horizontal height of the sealing ring (106) is consistent with that of the fixed patch (105), and the top surface thickness of the negative pressure recess area (102) is less than the outer wall thickness of the cap (101).

2. The negative pressure one-way cap with a prompting function according to claim 1, characterized in that, The bottom of the negative pressure one-way cap (1) is fixedly connected with a guide rod (2), the two sides of the guide rod (2) are respectively connected with a first limiting rod (3) and a second limiting rod (4), and the first limiting rod (3) and the second limiting rod (4) are cross-distributed along the length direction of the guide rod (2).

3. The negative pressure one-way cap with a prompting function according to claim 1, characterized in that, The top of the bottle body (6) is provided with a sealing cover (7), the top of the sealing cover (7) is fixedly provided with a vacuum cup (5), and the top of the vacuum cup (5) is connected with a suction pipe (8).

4. The negative pressure one-way cap with a prompting function according to claim 3, characterized in that, The negative pressure one-way cap (1) is arranged in the vacuum cup (5) and is fixedly connected to the top of the sealing cover (7) through the fixed patch (105).

5. The negative pressure one-way cap with a prompting function according to claim 4, characterized in that, The vacuum cup (5) is a transparent material member, and one end of the suction pipe (8) is connected with a suction pump.

6. The negative pressure one-way cap with a prompting function according to claim 5, characterized in that, A gas hole is arranged on the top surface of the sealing cover (7) and penetrates through the cap (101).

7. The negative pressure one-way cap with a prompting function according to claim 2, characterized in that, The bottom end of the guide rod (2) is inserted into the bottle body (6), and the first limiting rod (3) and the second limiting rod (4) are respectively clamped on the inner side wall of the bottle body (6).

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