CN219313544U

CN219313544U - Vacuum pump

Info

Publication number: CN219313544U
Application number: CN202320280114.0U
Authority: CN
Inventors: 杨嘉浩; 余刚; 覃胜海; 姚彬; 李康林; 李志林; 谭翰智; 沈财胜; 罗浩明; 王镓泉; 岑健铭; 何任东
Original assignee: Zhongshan Yijia Daily Necessities Co ltd
Current assignee: Zhongshan Guanzhi Plastic Products Co ltd
Priority date: 2023-02-20
Filing date: 2023-02-20
Publication date: 2023-07-07
Anticipated expiration: 2033-02-20

Abstract

The utility model discloses a vacuum air pump, which relates to the technical field of air pump devices, and comprises a middle cover, wherein the middle cover is connected with a shell, a control component is arranged in the middle cover, a power supply cable extends to the outside from the side wall of the middle cover, the control component is connected with the power supply cable, and the power supply cable is wound and accommodated on the side wall of the middle cover; the wire clamping part is arranged on the side wall of the shell in a sliding manner and is used for preventing the power supply cable from loosening in a storage state; the side wall of the middle cover is inwards sunken to form a cable accommodating area, and the power supply cable is wound in the cable accommodating area. According to the vacuum air pump provided by the utility model, the power supply cable extends out from the middle cover and is wound in the cable accommodating area, and the air extracting equipment can wind the power supply cable in the cable accommodating area in the accommodating state, so that the air extracting equipment is convenient to store and accommodate, the wires are prevented from being scattered, and the accommodating state volume of the air extracting equipment is effectively reduced. The cable clamping part can block the cable containing area to prevent the reeled cable from loosening and play a role in clamping the cable.

Description

Vacuum pump

Technical Field

The utility model relates to the technical field of sucking pump devices, in particular to a vacuum sucking pump.

Background

With the improvement of living standard of residents, the variety of clothes is diversified and developed, and the limitation of household space is realized, so that the demand of clothes storage is increasingly enlarged. Articles such as clothes and bedding are large in size and fluffy due to the fact that the articles are large in size and occupy more storage space, in order to improve storage efficiency, the market pushes out a vacuum compression bag with a one-way air valve, fluffy articles such as clothes and bedding can be placed into the vacuum bag for vacuumizing, air in an article gap is pumped out, the storage space is effectively compressed from the container, and space utilization is improved.

In order to reduce the volume of the vacuum bag, a user can manually press the vacuum bag to discharge internal air or adopt a vacuum pump which is matched with the vacuum bag for use, and the vacuum pump can rapidly discharge air in the vacuum bag under the action of the electric pump after being electrified, so that the storage efficiency of the vacuum bag is greatly improved.

The utility model discloses a vacuum pump and vacuum bag air exhaust device in chinese patent ZL 202121473885.9 relates to aspiration pump technical field to because fan blade high-speed rotation operation when solving the electric aspiration pump that exists among the prior art and use, motor noise that motor vibrations and rocking lead to is big, use unsafe, technical problem that life is short partially, the device includes the casing, and the inside of casing is provided with motor, circuit board, fan blade and motor spacing subassembly, wherein: the motor is electrically connected with the circuit board, the fan blade is connected with the motor, the circuit board drives the motor to drive the fan blade to rotate, the shell is provided with an air port, the air port is positioned on one side of the fan blade, the motor limiting assembly at least comprises a fixing clamping groove, and the motor is arranged in the fixing clamping groove at least with part of edges.

The existing vacuum air extractor has two forms of internal power supply and external power supply, and the power of the air extractor is lower due to the power output limitation of a power supply assembly, so that the vacuum extraction efficiency is poor. The external power supply is used for obtaining commercial power through the power line to work, the power is higher, the vacuumizing efficiency is high, but the power line can only be wound around the periphery of the shell when the air extractor is in a storage state, and wires are easy to loosen and not well stored. The air extractor externally connected with the commercial power has the advantages of larger power, obvious vibration and noise generated by motor operation and poor use experience.

Disclosure of Invention

The utility model aims to at least solve the technical problems that in the prior art, the external power supply is used for acquiring commercial power through a power line to work, the power is higher, the vacuumizing efficiency is high, but the power line can only be wound around the periphery of a shell in the accommodating state of an air extractor, and wires are easy to loosen and not easy to accommodate. Therefore, the utility model provides the vacuum air pump which can rapidly wind up the power cable, is convenient for storage and accommodation of the device, effectively prevents the cable from loosening in the accommodation process, and reduces the occupied space of the accommodation state of the device because the cable accommodation area is hidden in the shell.

According to some embodiments of the utility model, the vacuum suction pump comprises a shell, wherein one end of the shell is provided with a suction opening, the suction opening is connected with a gas valve, and a suction mechanism is arranged in the shell and used for sucking air at the gas valve; comprising the following steps:

the middle cover is connected with the shell, a control assembly is arranged in the middle cover, a power supply cable extends to the outside from the side wall of the middle cover, the control assembly is connected with the power supply cable, and the power supply cable is wound and accommodated on the side wall of the middle cover;

the wire clamping part is arranged on the side wall of the shell in a sliding manner and is used for preventing the power supply cables from loosening in a storage state;

the side wall of the middle cover is inwards recessed to form a cable accommodating area, and the power supply cable is wound in the cable accommodating area.

According to some embodiments of the utility model, the middle cover is provided with an air outlet, the air outlet is located inside the cable accommodating area and is communicated with the inside of the shell, and the power supply cable is in an accommodating state and shields the air outlet.

According to some embodiments of the utility model, the wire clamping part comprises a wire pressing sliding block, a sliding groove is formed in the side wall of the shell, and the wire pressing sliding block slides in the sliding groove.

According to some embodiments of the utility model, the middle cover is provided with a groove, one end of the wire pressing slider close to the groove is provided with a boss, and the boss is embedded with the groove and used for fixing the position of the wire pressing slider.

According to some embodiments of the utility model, the sliding groove is provided with a limiting bump, the wire pressing sliding block is provided with a concave position, and the concave position is matched with the limiting bump.

According to some embodiments of the utility model, the limit bump comprises an upper bump and a lower bump, when the concave position is embedded with the upper bump, the wire pressing slider covers the cable accommodating area, and when the concave position is embedded with the lower bump, the wire pressing slider is accommodated in the chute.

According to some embodiments of the utility model, a motor base is arranged in the shell and is detachably connected with the inside of the shell, the air draft mechanism comprises a motor and a wind wheel, the motor is arranged in the motor base, the wind wheel is arranged below the motor base, an output shaft of the motor is connected with the wind wheel, and the motor is electrically connected with the control assembly.

According to some embodiments of the utility model, the motor base comprises a mounting ring and a mounting base, the mounting base is positioned below the middle of the mounting ring, the mounting base is connected with the mounting ring through a connecting bridge, the motor is axially arranged in the mounting base, and an output shaft of the motor penetrates through the mounting base to be connected with the wind wheel.

According to some embodiments of the utility model, the mounting base is provided with a positioning column and a fixing hole, the positioning column extends upwards from the inner end surface of the mounting base, a hole site is arranged at the position of the motor corresponding to the positioning column, and the shell of the motor is connected with the fixing hole in the mounting base through a screw and used for fixing the position of the motor in the mounting base.

According to some embodiments of the utility model, the diameter of the mounting base is smaller than the diameter of the mounting ring, the connecting bridges are arranged at equal intervals around the periphery of the mounting base, one end of each connecting bridge is connected with the mounting base, and the other end of each connecting bridge is connected with the mounting ring.

According to some embodiments of the utility model, a limit clamping rib is arranged on the periphery of the mounting ring, and is embedded with the inner wall of the shell, so as to limit the relative position of the mounting ring and the shell.

According to some embodiments of the utility model, a key is arranged on the top of the middle cover, and the key is connected with the control assembly and used for triggering the control assembly to control the working state of the air suction mechanism.

The vacuum pump according to some embodiments of the present utility model has at least the following advantages: the power supply cable is followed stretch out in the well lid and wind the cable is accomodate the district rolling, and air extraction equipment can be with under accomodating the state power supply cable rolling is in the cable is accomodate the district, make things convenient for air extraction equipment's depositing and accomodating, avoid the wire rod to be scattered and effectively reduce air extraction equipment and accomodate the volume of state. The wire clamping part can block the cable containing area to prevent the coiled cable from loosening and play a role in clamping the wire.

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 perspective view of a vacuum pump according to an embodiment of the present utility model;

FIG. 2 is a cross-sectional view of a vacuum pump according to an embodiment of the present utility model;

FIG. 3 is a first exploded view of a vacuum pump according to an embodiment of the present utility model;

FIG. 4 is a second exploded view of a vacuum pump according to an embodiment of the present utility model;

FIG. 5 is a schematic diagram of a motor base of a vacuum pump according to an embodiment of the present utility model;

fig. 6 is a sectional view of a motor base of a vacuum pump according to an embodiment of the present utility model.

Reference numerals:

the casing 100, the air extraction opening 110, the sliding chute 120, the limiting protruding points 121, the upper protruding points 121-1, the lower protruding points 121-2, the motor base 130, the mounting ring 131, the limiting clamping ribs 131-1, the mounting base 132, the positioning column 132-1, the fixing column 132-2, the connecting bridge 133,

Middle cover 210, air outlet 211, cable accommodation area 212, groove 213, key 214, air draft mechanism 220, motor 221, wind wheel 222, power supply cable 230,

The wire clamping part 300, the wire pressing sliding block 310, the lug boss 320 and the concave position 330.

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 references to orientation descriptions such as upper, lower, front, rear, left, right, top, bottom, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. 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.

A vacuum pump according to an embodiment of the present utility model is described below with reference to fig. 1 to 6.

As shown in fig. 1 to 6, the vacuum pump comprises a housing 100, an air extraction opening 110 is provided at one end of the housing 100, the air extraction opening 110 is connected with an air valve of a vacuum storage bag, and air extraction is performed by an air extraction mechanism 220 provided inside the housing 100, so that air inside the vacuum storage bag enters the housing 100 through the air valve and is exhausted, and vacuumizing treatment of the vacuum storage bag is completed.

The vacuum pump of the present utility model further includes a middle cap 210 and a wire clamping part 300, wherein the middle cap 210 is connected with the housing 100 and located at a side far from the pumping port 110, and a control assembly (not shown in the drawing) is provided inside the middle cap 210, and the control assembly is used for controlling the working state of the pumping mechanism 220.

One end of the power supply cable 230 is connected to the control unit, and the other end is provided with a power taking plug, and the power supply cable 230 is wound around the side wall of the middle cover 210. Specifically, the side wall of the middle cover 210 is recessed inwards to form a cable accommodating area 212, the control assembly is connected with the power supply cable 230, the power supply cable 230 is wound in the cable accommodating area 212, a storage space is provided for the power supply cable 230 in a vacuum suction pump accommodating state, the power supply cable 230 is wound and stored conveniently, the accommodating volume of the vacuum suction equipment is reduced, the wire arrangement is facilitated, and the trouble of the user in wire arrangement is avoided.

In order to prevent the power supply cable 230 wound around the cable housing area 212 from being loosened during the housing process to cause the cable to be separated from the cable housing area 212, a wire clamping portion 300 is slidably disposed on the side wall of the housing 100, and the wire clamping portion 300 is used for preventing the power supply cable 230 from being loosened in the housing state.

When the air suction function of the vacuum air suction pump is used, the wire clamping part 300 is firstly slid downwards to open the cable containing area 212, then the power supply cable 230 wound in the cable containing area 212 is unwound and is electrified with alternating current, and the control assembly controls the air suction mechanism 220 to work, so that negative pressure is generated in the shell 100, and the air suction purpose is achieved. After the use is completed, the power supply cable 230 is pulled out, the power supply cable 230 is wound into the cable containing area 212 clockwise or anticlockwise, and the cable clamping part 300 is pushed to fix the position of the power supply cable 230 in the cable containing area 212, so that the purpose of containing the power supply cable is achieved. Compared with the existing wired air extraction equipment, the vacuum air extraction pump can reduce the storage volume of the air extraction equipment, and is more rapid and convenient to arrange wires and more convenient and quick to use.

In some embodiments of the present utility model, as shown in fig. 1-3, the middle cover 210 is provided with an air outlet 211, the air outlet 211 is located inside the cable housing area 212 and is communicated with the inside of the housing 100, and the power supply cable 230 shields the air outlet 211 when in the housing state, so as to prevent dust from falling into the housing 100 from the air outlet 211.

Specifically, the air outlets 211 are distributed along the bottom of the middle cover 210 around the cable receiving area 212, and the air of the air suction opening 110 is discharged from the air outlets 211 after entering the housing 100, so as to realize the vacuumizing process. When the vacuum apparatus is in the storage state, the rolled power supply cable 230 can shield the air outlet 211 at the bottom of the cable storage area 212, so as to prevent dust from entering the housing 100 from the air outlet 211.

In some embodiments of the present utility model, as shown in fig. 1, 3 and 4, the wire clamping portion 300 includes a wire pressing slider 310, a sliding groove 120 is provided on a sidewall of the housing 100, and the wire pressing slider 310 slides in the sliding groove 120.

Specifically, the wire pressing slider 310 slides in the chute 120, and the wire pressing slider 310 can cover the cable receiving area 212 to prevent the power supply cable 230 wound around the cable receiving area 212 from being loosened.

In some embodiments of the present utility model, as shown in fig. 3 and 4, the middle cover 210 is provided with a groove 213, and one end of the wire pressing slider 310 near the groove 213 is provided with a boss 320, and the boss 320 is engaged with the groove 213 to fix the position of the wire pressing slider 310.

In some embodiments of the present utility model, as shown in fig. 3 and 4, the chute 120 is provided with a limit bump 121, and the wire pressing slider 310 is provided with a recess 330, where the recess 330 cooperates with the limit bump 121. Specifically, the sliding groove 120 is provided with a limiting bump 121 corresponding to the upper limit and the lower limit of the wire pressing slider 310, wherein the upper limit is the position of the wire pressing slider 310 covering the cable receiving area 212, and the lower limit is the retreating position of the wire pressing slider 310.

In some embodiments of the present utility model, as shown in fig. 3 and 4, the limit bump 121 includes an upper bump 121-1 and a lower bump 121-2, and when the concave portion 330 is engaged with the upper bump 121-1, the wire pressing slider 310 covers the cable receiving area 212, and when the concave portion 330 is engaged with the lower bump 121-2, the wire pressing slider 310 is received in the chute 120.

The concave position 330 is T-shaped, concave points are arranged at two ends of the concave position 330, the T-shaped concave position 330 of the wire pressing sliding block 310 is arranged in the sliding groove 120 of the shell 100, the wire pressing sliding block 310 can move up and down along the sliding groove 120, and the wire pressing sliding block 310 is fixed at upper limit and lower limit through the cooperation of the limit convex points 121 on the sliding groove 120 and the concave points of the concave position 330 of the wire pressing sliding block 310.

In some embodiments of the present utility model, as shown in fig. 2, 5 and 6, a motor base 130 is disposed in the housing 100, the motor base 130 is detachably connected with the interior of the housing 100, the air suction mechanism 220 includes a motor 221 and a wind wheel 222, the motor 221 is installed in the motor base 130, the wind wheel 222 is disposed below the motor base 130, an output shaft of the motor 221 is connected with the wind wheel 222, and the motor 221 is electrically connected with the control component.

Specifically, the motor base 130 and the shell 100 adopt a structure of detachable connection, the motor 221 is installed on the motor base 130, and the motor base 130 and the shell 100 are arranged in a split manner, so that vibration and noise transmitted to the shell 100 in the working state of the motor 221 can be reduced, and the use is quieter.

In a further embodiment, as shown in fig. 5 and 6, the motor base 130 includes a mounting ring 131 and a mounting base 132, the mounting base 132 is located below the middle of the mounting ring 131, the mounting base 132 and the mounting ring 131 are connected through a connecting bridge 133, the motor 221 is axially mounted in the mounting base 132, and an output shaft of the motor 221 passes through the mounting base 132 to be connected with the wind wheel 222.

Specifically, in order to further reduce vibration and noise generated by the operation of the motor 221, the motor base 130 adopts a sinking structure, the motor 221 is installed in the installation base 132, the installation ring 131 is installed on the inner wall of the housing 100, and the motor base 130 and the installation ring are connected through the connecting bridge 133, so that the motor base 130 integrally adopts a hollow structure, and the weight is lower. Vibration generated by the motor 221 is concentrated at the mounting base 132, and the distance between the mounting base 132 and the mounting ring 131 is increased by sinking the mounting base 132, so that vibration transmitted to the mounting ring 131 by the connecting bridge 133 is reduced, and the working noise of the motor 221 is further reduced.

In a further embodiment, as shown in fig. 2 and 6, the mounting base 132 is provided with a positioning column 132-1 and a fixing hole 132-2, the positioning column 132-1 extends upward from the inner end surface of the mounting base 132, a hole site is provided at a position of the motor 221 corresponding to the positioning column 132-1, and a housing of the motor 221 is connected to the fixing hole 132-2 in the mounting base 132 by a screw for fixing a position of the motor 221 in the mounting base 132.

Specifically, the recess of the housing of the motor 221 is engaged with the positioning column 132-1, so that the engaging speed of the motor 221 and the mounting base 132 is increased, the mounting efficiency is improved, and the positioning column 132-1 can limit the horizontal displacement of the motor 221 in the working state. The motor 221 shell 100 is fixed by matching with the two fixing holes 132-2, so that the motor 221 is firmly fixed on the mounting base 132, the motor 221 and the mounting base 132 are tightly connected, noise generated by vibration collision between the motor 221 and the mounting base 132 in the working state is reduced, and the noise reduction effect is achieved.

And the motor 221 and the mounting base 132 are tightly connected to form a whole, and the vibration frequencies of the motor and the mounting base are consistent, so that noise transmitted to the mounting ring 131 is reduced, and a damping effect is achieved.

In some embodiments of the present utility model, as shown in fig. 5 and 6, the diameter of the mounting base 132 is smaller than that of the mounting ring 131, and the connection bridges 133 are disposed at equal intervals around the circumference of the mounting base 132, and one end of the connection bridge 133 is connected to the mounting base 132 and the other end is connected to the mounting ring 131.

In this embodiment, the connecting bridge 133 adopts a setting mode of 6 equidistant surrounding, so that the connection between the mounting base 132 and the mounting ring 131 is more stable.

In some embodiments of the present utility model, as shown in fig. 5 and 6, the periphery of the mounting ring 131 is provided with a limiting rib 131-1, and the limiting rib 131-1 is engaged with the inner wall of the housing 100 to define the relative position of the mounting ring 131 and the housing 100.

Specifically, a protruding column-limiting clamping rib 131-1 is disposed at a position of the inner wall of the housing 100 corresponding to the mounting position of the mounting ring 131, and the motor base 130 is detachably connected with the interior of the housing 100 through screws.

In some embodiments of the present utility model, as shown in fig. 1, 2 and 4, a key 214 is disposed on the top of the middle cover 210, and the key 214 is connected to the control component and is used to trigger the control component to control the working state of the air extraction mechanism 220.

The top of the motor 221 is provided with two copper terminals, and the control assembly and the motor 221 are mutually fixed by soldering tin. The control assembly is electrically connected to the key 214, and the vacuum pumping device is switched to an operating state by pressing the key 214. The key 214 may be a micro switch, a reset switch, a push switch, etc., and will not be described in detail in this embodiment.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. The vacuum suction pump comprises a shell (100), wherein a suction opening (110) is formed in one end of the shell (100), the suction opening (110) is connected with a gas valve, a suction mechanism (220) is arranged in the shell (100), and the suction mechanism (220) is used for sucking air at the gas valve; characterized by comprising the following steps:

a middle cover (210) connected with the shell (100), wherein a control assembly is arranged in the middle cover (210), a power supply cable (230) extends to the outside from the side wall of the middle cover (210), the control assembly and the power supply cable (230) are respectively and electrically connected with the air suction mechanism (220), and the power supply cable (230) is wound and accommodated on the side wall of the middle cover (210);

a wire clamping part (300) which is arranged on the side wall of the shell (100) in a sliding manner, wherein the wire clamping part (300) is used for preventing the power supply cable (230) from loosening in a storage state;

the side wall of the middle cover (210) is inwards recessed to form a cable accommodating area (212), and the power supply cable (230) is wound in the cable accommodating area (212).

2. The vacuum pump according to claim 1, wherein the middle cover (210) is provided with an air outlet (211), the air outlet (211) is located inside the cable receiving area (212) and is communicated with the inside of the housing (100), and the power supply cable (230) shields the air outlet (211) when in a receiving state.

3. The vacuum pump according to claim 1, wherein the wire clamping portion (300) comprises a wire clamping slider (310), a chute (120) is provided on a side wall of the housing (100), and the wire clamping slider (310) slides in the chute (120).

4. A vacuum suction pump according to claim 3, wherein the middle cover (210) is provided with a groove (213), one end of the wire pressing slider (310) close to the groove (213) is provided with a boss (320), and the boss (320) is embedded with the groove (213) to fix the position of the wire pressing slider (310).

5. A vacuum suction pump according to claim 3, wherein the chute (120) is provided with a limit bump (121), the wire pressing slider (310) is provided with a recess (330), and the recess (330) is matched with the limit bump (121).

6. The vacuum pump according to claim 5, wherein the limit bump (121) includes an upper bump (121-1) and a lower bump (121-2), the wire pressing slider (310) covers the wire receiving area (212) when the concave portion (330) is engaged with the upper bump (121-1), and the wire pressing slider (310) is received in the chute (120) when the concave portion (330) is engaged with the lower bump (121-2).

7. The vacuum suction pump according to claim 1, wherein a motor base (130) is disposed in the housing (100), the motor base (130) is detachably connected with the interior of the housing (100), the suction mechanism (220) comprises a motor (221) and a wind wheel (222), the motor (221) is mounted in the motor base (130), the wind wheel (222) is disposed below the motor base (130), an output shaft of the motor (221) is connected with the wind wheel (222), and the motor (221) is electrically connected with the control assembly.

8. The vacuum pump according to claim 7, wherein the motor base (130) comprises a mounting ring (131) and a mounting base (132), the mounting base (132) is located below the middle of the mounting ring (131), the mounting base (132) and the mounting ring (131) are connected through a connecting bridge (133), the motor (221) is axially mounted in the mounting base (132), and an output shaft of the motor (221) passes through the mounting base (132) to be connected with the wind wheel (222).

9. The vacuum suction pump according to claim 8, wherein the mounting base (132) is provided with a positioning column (132-1) and a fixing hole (132-2), the positioning column (132-1) extends upward from an inner end surface of the mounting base (132), a position of the motor (221) corresponding to the positioning column (132-1) is provided with a hole site, and a housing of the motor (221) and the fixing hole (132-2) are connected in the mounting base (132) by a screw for fixing a position of the motor (221) in the mounting base (132).

10. The vacuum pump according to claim 8, wherein a limit rib (131-1) is provided at a periphery of the mounting ring (131), and the limit rib (131-1) is engaged with an inner wall of the housing (100) to define a relative position of the mounting ring (131) and the housing (100).

11. Vacuum suction pump according to any of claims 1-10, characterized in that a key (214) is arranged on top of the middle cover (210), the key (214) being connected to the control assembly for triggering the control assembly to control the working state of the suction mechanism (220).