CN219029893U

CN219029893U - Electric air extractor

Info

Publication number: CN219029893U
Application number: CN202223204267.1U
Authority: CN
Inventors: 邓治国; 王记; 杨培红; 邹万灵
Original assignee: Zhongshan Fusheng Electric Appliance Co ltd
Current assignee: Zhongshan Fusheng Electric Appliance Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-05-16
Anticipated expiration: 2032-11-30

Abstract

The utility model discloses an electric air exhaust device which comprises a shell component and a pump body, wherein the shell component is provided with an accommodating inner cavity, the lower side of the shell component is provided with an air exhaust part, the air exhaust part is provided with an air exhaust cavity with an opening at the lower side, the pump body is arranged in the accommodating inner cavity, an air exhaust end of the pump body is communicated with the air exhaust cavity, the shell component is provided with an exhaust channel, the outer side wall of the air exhaust part is provided with an exhaust port communicated with the exhaust channel, and the exhaust end of the pump body is in butt joint communication with the exhaust channel. Through setting up the exhaust passage, during the use, by the air of pump body suction through exhaust passage and by the gas vent exhaust to avoid by the diffusion of pump body suction's air to the holding inner chamber, when being applied to the vacuum bag of depositing food and bleed, be favorable to avoiding the moisture in the air of being sucked and the erosion is caused to the component in the holding inner chamber to grease etc. be favorable to protecting the component in the holding inner chamber, improve life, facilitate the use.

Description

Electric air extractor

Technical Field

The utility model relates to the technical field of air extraction equipment, in particular to an electric air extraction device for vacuum bag air extraction.

Background

In daily life, people often use a vacuum bag to store food, clothes and the like, and when the vacuum bag is used, the air extraction device is used for extracting air in the bag. For the existing air extractor, the air extractor comprises an electric element, a pump body, a shell and the like, wherein the shell is provided with an accommodating cavity and an exhaust hole communicated with the accommodating cavity, the electric element and the pump body are arranged in the accommodating cavity, and when the air extractor is used, air in the bag is sucked through the pump body, and sucked air is output to the accommodating cavity and is exhausted through the exhaust hole, so that the purpose of vacuumizing the vacuum bag is achieved.

For the air extractor with the structure, when the air extractor is applied to extracting air from a vacuum bag for storing food, moisture, grease and the like in the air in the bag can be sucked into the accommodating cavity, so that the electric elements are easily corroded, and the electric elements are damaged, thereby influencing the normal use of the air extractor, and therefore, the conventional air extractor has still to be improved.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the electric air extractor, through arranging the exhaust channel, the air sucked by the pump body is discharged through the exhaust channel and the exhaust port, thereby being beneficial to avoiding erosion of components in the accommodating cavity caused by moisture, grease and the like in the sucked air, protecting the components in the accommodating cavity, prolonging the service life and facilitating the use.

According to the embodiment of the utility model, the electric air exhaust device comprises a shell component and a pump body, wherein the shell component is provided with an accommodating cavity, the lower side of the shell component is provided with an air exhaust part, the air exhaust part is provided with an air exhaust cavity with an opening at the lower side, the pump body is arranged in the accommodating cavity, an air exhaust end of the pump body is communicated with the air exhaust cavity, the shell component is provided with an exhaust channel, an exhaust port communicated with the exhaust channel is arranged on the outer side wall of the air exhaust part, and the exhaust end of the pump body is in butt joint communication with the exhaust channel.

The electric air extracting device provided by the embodiment of the utility model has at least the following beneficial effects: during the use, with the extraction part butt in the extraction opening department of vacuum bag, make the extraction opening of vacuum bag and the chamber of extracting of extraction part dock, utilize the pump body to bleed to the chamber of extracting, because the exhaust end and the exhaust passage butt joint intercommunication of the pump body, by the air of pump body suction through the exhaust passage and by the gas vent discharge, thereby avoid by the diffusion of the air diffusion of pump body suction to the holding inner chamber, when being applied to the vacuum bag of depositing food, be favorable to avoiding the moisture in the air of being sucked and the erosion caused to the component in the holding inner chamber such as grease, be favorable to protecting the component in the holding inner chamber, improve life, convenient to use.

According to some embodiments of the utility model, the housing assembly has an exhaust pipe portion provided with an exhaust passage communicating with the exhaust chamber, and an exhaust pipe portion provided with a first flexible pipe interposed between the exhaust end of the pump body and the exhaust pipe portion and butted by the first flexible pipe so that the exhaust end of the pump body communicates with the exhaust passage, and a second flexible pipe interposed between the exhaust end of the pump body and the exhaust pipe portion and butted by the second flexible pipe so that the exhaust end of the pump body communicates with the exhaust passage.

According to some embodiments of the utility model, the air extracting part is provided with an annular sealing ring at the periphery of the lower opening of the air extracting cavity.

According to some embodiments of the utility model, the lower side surface of the annular sealing ring is of a curved surface structure.

According to some embodiments of the utility model, the air extraction part is provided with an annular slot with an opening at the lower side, and the annular sealing ring is provided with an upward extending plug-in part, and the plug-in part is plugged into the annular slot.

According to some embodiments of the utility model, the annular seal ring is provided with a first abutment portion extending radially inward and a second abutment portion extending radially outward, the first abutment portion abutting against an inner peripheral side of the annular socket lower side opening, the second abutment portion abutting against an outer peripheral side of the annular socket lower side opening.

According to some embodiments of the utility model, a concave notch is arranged on the lower side of the outer wall of the air extraction part, the air exhaust port is formed between the concave notch and the second abutting part, and the annular slot is respectively communicated with the air exhaust port and the air exhaust channel.

According to some embodiments of the utility model, an avoidance groove is formed on the outer side wall surface of the annular slot and/or the outer side wall surface of the plug-in portion corresponding to the exhaust port.

According to some embodiments of the utility model, the electric air extractor further comprises a battery disposed in the accommodating cavity and electrically connected with the pump body.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic diagram of an electric air extractor according to an embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of the electric air extractor of FIG. 1;

fig. 3 is an enlarged schematic view of the portion a in fig. 2.

Reference numerals:

the housing assembly 100, the accommodating cavity 101, the air extraction cavity 102, the air extraction channel 103, the air outlet 104, the air extraction channel 105, the annular slot 106, the concave notch 107, the avoidance slot 108, the air extraction part 110, the air extraction pipe part 120, the air exhaust pipe part 130, the annular seal 140, the plug part 141, the first abutting part 142 and the second abutting part 143;

pump body 200, first flexible tube 210, second flexible tube 220;

battery 300, circuit board 400, and charging interface 410.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that, if the description of the orientation is referred to, for example, the orientation or positional relationship indicated above, below, inside, outside, etc. is based on the orientation or positional relationship shown in the drawings, only for convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1 and 2, an electric air extractor includes a housing assembly 100 and a pump body 200, the housing assembly 100 has a housing cavity 101, an air extracting portion 110 is disposed at the lower side of the housing assembly 100, the air extracting portion 110 is provided with an air extracting cavity 102 with an opening at the lower side, the pump body 200 is disposed in the housing cavity 101, an air extracting end of the pump body 200 is communicated with the air extracting cavity 102, the housing assembly 100 is provided with an air exhausting channel 103, an air exhausting port 104 communicated with the air exhausting channel 103 is disposed on an outer side wall of the air extracting portion 110, and an air exhausting end of the pump body 200 is in butt joint communication with the air exhausting channel 103.

It can be understood that, as shown in fig. 1 and 2, the electric air extractor further includes a circuit board 400, the circuit board 400 and the pump body 200 are both disposed in the accommodating cavity 101, the air outlet 104 is disposed at the lower side of the outer wall of the air extractor 110, and the air outlet 104 and the air extractor 102 are both disposed at the air extractor 110, so that on one hand, the air extractor end and the air extractor end of the pump body 200 can be conveniently connected, and on the other hand, the flow path of the air to be extracted can be reduced, and the air can be rapidly exhausted. When the vacuum bag is used, the air extraction part 110 is abutted to the air extraction opening of the vacuum bag, so that the air extraction opening of the vacuum bag is abutted to the air extraction cavity 102 of the air extraction part 110, the pump body 200 is utilized to extract air from the air extraction cavity 102, and as the air extraction end of the pump body 200 is in abutting communication with the air extraction channel 103, the air extracted by the pump body 200 is exhausted through the air extraction channel 103 and the air outlet 104, so that the air extracted by the pump body 200 is prevented from diffusing to the accommodating cavity 101.

In practical applications, the specific structures of the housing assembly 100 and the pump body 200 may be set according to practical requirements, and since the specific construction and operation of the pump body 200 according to the embodiment of the present utility model are known to those skilled in the art, they will not be described in detail herein.

In some embodiments, the housing assembly 100 has an exhaust pipe portion 120 and an exhaust pipe portion 130, the exhaust pipe portion 120 is provided with an exhaust channel 105 communicating with the exhaust cavity 102, the exhaust channel 103 is provided at the exhaust pipe portion 130, a first flexible pipe 210 is provided between the exhaust end of the pump body 200 and the exhaust pipe portion 120 and is abutted by the first flexible pipe 210 so that the exhaust end of the pump body 200 communicates with the exhaust channel 105, and a second flexible pipe 220 is provided between the exhaust end of the pump body 200 and the exhaust pipe portion 130 and is abutted by the second flexible pipe 220 so that the exhaust end of the pump body 200 communicates with the exhaust channel 103.

As can be appreciated, as shown in fig. 1 and 2, the exhaust pipe portion 120 and the exhaust pipe portion 130 are both disposed at the exhaust portion 110, the lower portion of the exhaust pipe portion 120 extends downward to extend into the exhaust cavity 102, and the upper portion thereof is in butt joint with the exhaust end of the pump body 200 through the first flexible pipe 210, so that the exhaust end of the pump body 200 is communicated with the exhaust cavity 102, so that the exhaust can be performed through the exhaust cavity 102; the exhaust end of the pump body 200 is in butt joint with the exhaust pipe part 130 through the second flexible pipe 220, so that the exhaust end of the pump body 200 is communicated with the exhaust channel 103, and air sucked by the pump body 200 is discharged from the exhaust end of the pump body 200, passes through the second flexible pipe 220 and the exhaust pipe part 130 and is exhausted by the exhaust port 104, and the first flexible pipe 210 and the second flexible pipe 220 are arranged, so that the pump body 200 is convenient to mount and connect, and meanwhile, the disassembly, the repair and the maintenance are facilitated, and the use is convenient. In practical application, the first flexible tube 210 and the second flexible tube 220 may be a silicone hose or a plastic hose, which may be set according to practical requirements.

In some embodiments, the pumping section 110 is provided with an annular sealing ring 140 at the periphery of the lower opening of the pumping chamber 102. It can be understood that, as shown in fig. 1 and 2, the periphery of the lower opening of the air extraction cavity 102 is provided with an annular sealing ring 140, and when in use, the air extraction part 110 is abutted against the air extraction opening of the vacuum bag, and the contact gap between the air extraction part 110 and the vacuum bag is sealed by using the annular sealing ring 140, so that the air extraction cavity 102 is isolated from the outside during operation, the entry of external air is prevented, and the sealing performance is improved, so as to improve the air extraction efficiency of the pump body 200. In practical applications, the specific structure of the ring seal 140 can be set according to practical requirements.

In some embodiments, the underside of the ring seal 140 is a curved surface configuration. It can be appreciated that, as shown in fig. 2 and 3, by arranging the lower side surface of the annular sealing ring 140 to be a curved surface structure, when the annular sealing ring 140 abuts against the surface of the vacuum bag, the contact area is reduced by the curved surface contact, which is beneficial to the separation between the subsequent annular sealing ring 140 and the surface of the vacuum bag, and is convenient to use. In practical application, the specific structure of the lower side surface of the annular sealing ring 140 can be set according to practical use requirements.

In some embodiments, the air extracting portion 110 is provided with an annular slot 106 with an opening at the lower side, and the annular sealing ring 140 has an upwardly extending plug portion 141, and the plug portion 141 is plugged into the annular slot 106.

It can be understood that, as shown in fig. 2 and 3, the air extraction portion 110 is provided with an annular slot 106 with an opening at the lower side, the air extraction cavity 102 is located at the inner side of the ring surrounded by the annular slot 106, and the annular sealing ring 140 is inserted into the annular slot 106 through the insertion portion 141 to be connected to the air extraction portion 110, so that the structure is simple, and the installation and connection of the annular sealing ring 140 are convenient. In practical application, the specific structure of the plug portion 141 can be set according to practical requirements.

In some embodiments, the annular seal 140 is provided with a first abutment 142 extending radially inward and a second abutment 143 extending radially outward, the first abutment 142 abutting against an inner peripheral side of the lower opening of the annular socket 106 and the second abutment 143 abutting against an outer peripheral side of the lower opening of the annular socket 106.

It can be appreciated that, as shown in fig. 2 and 3, when the plugging portion 141 is plugged into the annular slot 106, the first abutting portion 142 abuts against an inner peripheral side of the lower opening of the annular slot 106, and the second abutting portion 143 abuts against an outer peripheral side of the lower opening of the annular slot 106, so as to improve connection stability of the annular seal ring 140, and when the annular seal ring 140 abuts against a surface of the vacuum bag, it is beneficial to prevent the annular seal ring 140 from being compressed into the annular slot 106, so as to be convenient for use. In practical application, the specific structures of the first abutting portion 142 and the second abutting portion 143 can be set according to practical use requirements.

In some embodiments, a concave notch 107 is disposed on the lower side of the outer wall of the air extraction portion 110, an air outlet 104 is formed between the concave notch 107 and the second abutting portion 143, and the annular slot 106 is respectively communicated with the air outlet 104 and the air outlet channel 103.

As can be appreciated, as shown in fig. 1, 2 and 3, the lower side of the outer wall of the air extraction portion 110 is provided with a concave notch 107, when the second abutting portion 143 abuts against the outer peripheral side of the lower opening of the annular slot 106, an air outlet 104 is formed between the concave notch 107 and the second abutting portion 143, and the annular slot 106 is respectively communicated with the air outlet 104 and the air outlet channel 103, so that the air of the air outlet channel 103 can be discharged from the air outlet 104 through the annular slot 106. In practical applications, the exhaust port 104 may be a hole disposed on the outer wall of the air extraction portion 110, and may be set according to practical requirements.

In some embodiments, the outer side wall surface of the annular slot 106 and/or the outer side wall surface of the plug portion 141 is provided with the escape groove 108 corresponding to the exhaust port 104. It can be understood that, as shown in fig. 3, the outer side wall surface of the annular slot 106 and the outer side wall surface of the plug portion 141 are provided with the avoiding groove 108 corresponding to the air outlet 104, so as to form a channel structure for air to flow through, thereby facilitating the air to be discharged from the air outlet 104 and being convenient for use. In practical application, the avoiding groove 108 may be disposed only on the outer side wall surface of the annular slot 106 or the outer side wall surface of the plugging portion 141, and may be set accordingly according to practical use requirements.

In some embodiments, the electric air extractor further includes a battery 300, and the battery 300 is disposed in the accommodating cavity 101 and electrically connected to the pump body 200. It can be understood that, as shown in fig. 2, the battery 300 is disposed in the accommodating cavity 101, the battery 300 is electrically connected with the circuit board 400 and is electrically connected with the pump body 200 through the circuit board 400, the circuit board 400 is provided with a charging interface 410 for charging the battery 300, and the battery 300 is disposed to supply power to the pump body 200, so that the trouble of external power supply is avoided, and the carrying and the use of the utility model are facilitated. In practical application, besides the battery 300, the electric air exhaust device can be externally connected with a power supply for use, and can be correspondingly set according to practical use requirements.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims

1. An electric air extractor, comprising:

the shell assembly (100), the shell assembly (100) is provided with a containing inner cavity (101), the lower side of the shell assembly (100) is provided with an air extraction part (110), and the air extraction part (110) is provided with an air extraction cavity (102) with an opening at the lower side;

the pump body (200) set up in holding inner chamber (101), the exhaust end of pump body (200) with bleed chamber (102) intercommunication, casing subassembly (100) are equipped with exhaust passage (103), the lateral wall of portion of bleeding (110) be equipped with exhaust port (104) that exhaust passage (103) are linked together, the exhaust end of pump body (200) with exhaust passage (103) butt joint intercommunication.

2. The electric air extraction device according to claim 1, characterized in that the housing assembly (100) is provided with an air extraction pipe portion (120) and an air exhaust pipe portion (130), the air extraction pipe portion (120) is provided with an air extraction channel (105) communicated with the air extraction cavity (102), the air exhaust channel (103) is arranged at the air exhaust pipe portion (130), a first flexible pipe (210) is arranged between the air extraction end of the pump body (200) and the air extraction pipe portion (120) and is in butt joint through the first flexible pipe (210), so that the air extraction end of the pump body (200) is communicated with the air extraction channel (105), and a second flexible pipe (220) is arranged between the air extraction end of the pump body (200) and the air exhaust pipe portion (130) and is in butt joint through the second flexible pipe (220), so that the air extraction end of the pump body (200) is communicated with the air exhaust channel (103).

3. The electric air extraction device according to claim 1, characterized in that the air extraction part (110) is provided with an annular sealing ring (140) at the periphery of the lower opening of the air extraction cavity (102).

4. An electric air extractor according to claim 3, characterized in that the underside of the annular sealing ring (140) is of curved surface structure.

5. An electric air extractor according to claim 3, characterized in that the air extracting part (110) is provided with an annular slot (106) with an opening at the lower side, the annular sealing ring (140) is provided with an upward extending plug-in part (141), and the plug-in part (141) is plugged into the annular slot (106).

6. The electric air extractor according to claim 5, characterized in that the annular seal ring (140) is provided with a first abutting portion (142) extending radially inward and a second abutting portion (143) extending radially outward, the first abutting portion (142) abutting against an inner peripheral side of the lower side opening of the annular slot (106), the second abutting portion (143) abutting against an outer peripheral side of the lower side opening of the annular slot (106).

7. The electric air extracting device according to claim 6, wherein a concave notch (107) is arranged at the lower side of the outer wall of the air extracting part (110), the air outlet (104) is formed between the concave notch (107) and the second abutting part (143), and the annular slot (106) is respectively communicated with the air outlet (104) and the air outlet channel (103).

8. The electric air extractor according to claim 7, characterized in that the outer side wall surface of the annular slot (106) and/or the outer side wall surface of the plug-in portion (141) is provided with an avoidance groove (108) corresponding to the air outlet (104).

9. The electric air extraction device according to claim 1, further comprising a battery (300), wherein the battery (300) is disposed in the accommodating cavity (101) and is electrically connected to the pump body (200).