CN219622901U

CN219622901U - Main body structure of vacuum machine

Info

Publication number: CN219622901U
Application number: CN202320402852.8U
Authority: CN
Inventors: 陈鹏; 葛书发; 植伟东; 刘肖; 黄洪亮; 张庆垣; 黄继仿
Original assignee: Guangdong Liyea Technologies Co ltd
Current assignee: Guangdong Liyea Technologies Co ltd
Priority date: 2023-03-06
Filing date: 2023-03-06
Publication date: 2023-09-01
Anticipated expiration: 2033-03-06

Abstract

The utility model discloses a main body structure of a vacuum machine, which comprises a shell, a first end cover and a machine core shell, wherein a motor cavity for installing a motor and an impeller, a battery cavity for installing a battery and a circuit board support for installing a PCB (printed circuit board) are arranged in the machine core shell, the shell is a cylinder, the machine core shell is installed inside the shell and is attached to the inner side wall of the shell, the machine core shell and the shell are detachably connected through a buckle structure, the head end of the shell is provided with a disassembly opening through which the machine core shell can pass, the first end cover is installed at the disassembly opening, and the first end cover is in threaded connection with the machine core shell or in threaded connection with the shell. The middle part of the main body structure has no splice seam and is convenient for assembly and forming.

Description

Main body structure of vacuum machine

Technical Field

The utility model relates to the technical field of vacuumizing, in particular to a main body structure of a vacuum machine.

Background

A vacuum machine, as its name implies, is a device for evacuating a container, such as a vacuum tank, a clothing bag for receiving clothing. Taking the vacuum pumping of the bedding bag as an example, after clothes are contained in the bedding bag, the vacuum machine is abutted against the air tap of the bedding bag, then a motor in the vacuum machine is started, and suction force can be generated when the motor drives the impeller to rotate, so that air in the bedding bag is pumped out.

The motor, impeller, battery, and PCB are several key components in a small vacuum machine, and for example, the patent with publication number CN213899234U discloses an electric air pump, which has the following problems: first, in order to be convenient for with parts such as motor, battery, PCB board direct mount in the casing, the casing of this aspiration pump is mainly by shell 1 and lower cover 3 concatenation form, and the splice seam that the two concatenation departments formed is located the middle part of casing, and the user holds the middle part at the evacuating device when general all being held at the evacuating device, when assembly error is great, the splice seam between shell 1 and the lower cover 3 is easy to pinch, and the gripping feel is not good.

Disclosure of Invention

In view of the above, an object of the present utility model is to provide a main body structure of a vacuum machine, which has no splice seam in the middle and is easy to assemble and form.

The utility model adopts the technical proposal for solving the technical problems that:

the utility model provides a major structure of vacuum machine, includes shell, first end cover and core shell, be provided with in the core shell be used for installing motor and impeller's motor chamber, be used for installing the battery chamber of battery and be used for installing the circuit board support of PCB board, the shell is a barrel, the core shell is installed inside the shell and with the inside wall laminating of shell, the core shell with the shell passes through buckle structure detachably and connects, the head end of shell has the dismouting mouth that can supply the core shell passes through, first end cover is installed dismouting mouth department, first end cover with core shell threaded connection or with shell threaded connection.

In a preferred scheme of the utility model, be provided with the button hole on the shell, be provided with on the core shell with button hole that the button hole corresponds, buckle structure is including installing button spare in the button hole, be provided with the lock on the button spare and be in the elasticity buckle of the lower border department of button hole.

In a preferred scheme of the utility model, install the PCB board on the circuit board support, be provided with on the PCB board with detain the hole just right switch, button piece movable mounting is in the button hole, press when the button piece open or close switch.

In a preferred scheme of the utility model, detachably installs the plug-in card spare on the shell, be provided with first jack on the shell, be provided with on the core shell with the second jack that first jack is just right, be provided with on the plug-in card spare and run through the inserted bar of first jack and second jack.

In a preferred aspect of the present utility model, the first end cap is abutted to an end face of the housing head end, and the first end cap is screwed with the movement case by a fastener.

In a preferred scheme of the utility model, the core shell includes detachably concatenation upper housing and inferior valve together, the motor chamber is located between upper housing and the inferior valve, the circuit board support is installed on the inside wall of upper housing, the battery chamber by the inferior valve encloses.

In a preferred embodiment of the present utility model, an air outlet is provided at the end of the housing, and a second end plate is detachably mounted at the air outlet.

In a preferred scheme of the utility model, be provided with on the terminal inside wall of shell along circumference and detain the platform, the second end plate cartridge is in the air outlet of shell, be provided with the lock on the second end plate detain the inboard of platform and detain the piece.

In a preferred embodiment of the present utility model, a guide structure capable of guiding the movement case is provided between the movement case and the case.

In a preferred embodiment of the present utility model, the guiding structure includes an axial guide rail disposed on an inner sidewall of the housing, and an axial chute disposed on the cartridge case and slidably engaged with the axial guide rail.

The beneficial effects of the utility model are as follows:

first, the assembly process of the vacuum extractor using the main body structure is as follows: the assembly of the vacuum machine for the bedding and clothing bag can be completed by installing accessories such as a motor, an impeller, a PCB (printed circuit board), a battery and the like on the machine core shell firstly to form a complete machine core, then installing the machine core into the shell from a disassembly and assembly opening of the shell, connecting the machine core shell with the shell through a buckle structure, finally covering a first end cover and a second end cover, and then enabling the first end cover to be in threaded connection with the machine core shell or in threaded connection with the shell.

Second, the exterior of the body structure is an entire shell, the middle of which does not form a splice.

And a guide structure capable of guiding the movement shell is arranged between the third movement shell and the shell. During assembly, the movement shell is pushed to the inside of the shell along the guide structure, and can be directly pushed to a preset position.

Drawings

FIG. 1 is a cross-sectional view of a vacuum machine;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an exploded view of the vacuum machine;

FIG. 4 is an exploded view of the cartridge;

FIG. 5 is a schematic view of the snap-fit arrangement between the cartridge case and the housing;

FIG. 6 is a perspective view of a vacuum;

fig. 7 is a perspective view of the housing.

Detailed Description

The technical scheme of the present utility model will be clearly and completely described below with reference to the accompanying drawings.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear …) in the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly. Furthermore, the description of "preferred," "less preferred," and the like, herein is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "preferred", "less preferred" may include at least one such feature, either explicitly or implicitly.

Referring to fig. 1 to 7, the utility model provides a main body structure of a vacuum machine, which comprises a shell 11, a first end cover 12 and a machine core shell 4, wherein a motor cavity 401 for installing a motor 22 and an impeller 21, a battery cavity 404 for installing a battery 5 and a circuit board bracket 6 for installing a PCB board 3 are arranged in the machine core shell 4, the shell 11 is a cylinder, the machine core shell 4 is installed inside the shell 11 and is attached to the inner side wall of the shell 11, the machine core shell 4 and the shell 11 are detachably connected through a buckle structure, the head end of the shell 11 is provided with a disassembly opening 111 through which the machine core shell 4 can pass, the first end cover 12 is installed at the disassembly opening 111, and the first end cover 12 is in threaded connection with the machine core shell 4 or in threaded connection with the shell 11.

The motor 22 and the impeller 21 are arranged in the motor cavity 401, the PCB 3 is arranged on the circuit board bracket 6, the battery 5 is arranged in the battery cavity 404, the air suction silica gel nozzle 9 is arranged on the first end cover 12, and the second end cover is arranged at the tail end of the shell 11, thus forming a complete vacuum machine, and the working principle of the vacuum machine is as follows: the impeller 21 is rotated by the motor 22 to draw out air from the object to be evacuated.

The assembly process of the vacuum extractor is as follows: the assembly of the vacuum machine for the bedding and clothing bag can be completed by firstly installing accessories such as a motor 22, an impeller 21, a PCB 3, a battery 5 and the like on the machine core shell 4 to form a complete machine core, then installing the machine core into the shell 11 from the disassembly and assembly opening 111 of the shell 11, connecting the machine core shell 4 with the shell 11 through a buckle structure, finally covering the first end cover 12 and the second end cover, and then enabling the first end cover 12 to be in threaded connection with the machine core shell 4 or in threaded connection with the shell 11.

In one embodiment of the present utility model, the first end cap 12 is mounted as follows: the first end cap 12 abuts against an end surface of the head end of the case 11, and the first end cap 12 is screwed to the deck 4 by a fastener such as a screw or a bolt.

Referring to fig. 2 and 5, in an embodiment of the present utility model, a button hole 113 is provided on the case 11, a button hole 407 corresponding to the button hole 113 is provided on the cartridge case 4, and the button structure includes a button member 7 installed in the button hole 113, and an elastic button 71 capable of being snapped at a lower edge of the button hole 407 is provided on the button member 7. After the core shell 4 is installed in the shell 11, the button piece 7 is installed in the button hole 113, the elastic buckle 71 is buckled at the lower edge of the buckling hole 407, the core shell 4 and the shell 11 can be fixed, and then the end cover and the core shell 4 are in threaded connection or the shell 11 is in threaded connection, so that the installation of the core can be completed.

Further, the PCB 3 is provided with a power switch 31 facing the button hole 407, and the button member 7 is movably installed in the button hole 113, and the power switch 31 is turned on or off when the button member 7 is pressed. With such a design, the above-described button member 7 also serves as a power button for the motor 22, and by pressing the button member 7, the motor 22 can be turned on and off. In addition, the power switch 31 on the PCB board 3 also serves as a stopper, preventing the button member 7 from being separated from the housing 11 due to the button member 7 being pressed too deeply.

Referring to fig. 2, the card 8 is detachably mounted on the housing 11, the housing 11 is provided with a first jack 114, the cartridge case 4 is provided with a second jack 408 opposite to the first jack 114, and the card 8 is provided with a plug rod 81 penetrating through the first jack 114 and the second jack 408. The card 8 and the rod 81 are preferably made of elastic rubber materials, which can further connect and fix the cartridge case 4 and the housing 11, and can play a role of shock absorption between the two because of the elastic materials.

Preferably, the movement case 4 includes an upper case 41 and a lower case 42 detachably spliced together, the upper case 41 and the lower case 42 are connected by screws, the motor chamber 401 is located between the upper case 41 and the lower case 42, the circuit board holder 6 is mounted on the inner side wall of the upper case 41, and the battery chamber 404 is defined by the lower case 42.

Referring to fig. 1 and 3, an air inlet is provided in the first end plate, an air outlet 112 is provided at the end of the housing 11, and the second end plate 13 is detachably installed at the air outlet 112. Specifically, a buckling table 115 is disposed on an inner sidewall of the end of the housing 11 along the circumferential direction, the second end plate 13 is inserted into the air outlet 112 of the housing 11, and a buckling block 131 buckled on an inner side of the buckling table 115 is disposed on the second end plate 13. By adopting the design, the second end plate 13 is convenient to install, when the second end plate 13 is installed, only a certain pressure is needed to be applied, the bottom of the second end plate 13 is pressed into the air outlet 112, and meanwhile, the buckling blocks 131 on the second end plate 13 are buckled on the buckling table 115 in the shell 11, so that the installation is quite rapid.

In some aspects of the utility model, the first end cap 12 may be mounted as follows: the outer side wall of the first end cap 12 is provided with external threads, and the inner side wall of the housing 11 is provided with internal threads which are matched with the first end cap 12, thereby connecting the first end cap 12 with the housing 11 in a threaded manner. The above-mentioned fastening structure may also adopt a structure in which, for example, a fastening position is provided in the interior of the housing 11, and a fastening groove matched with the fastening position is provided on the outer side wall of the movement case 4, and the movement case 4 is fixed in the interior of the housing 11 by the cooperation of the fastening position and the fastening groove.

Referring to fig. 3 and 7, in order to guide the movement when the movement is installed, a guide structure capable of guiding the movement case 4 is provided between the movement case 4 and the housing 11. Preferably, the guiding structure comprises an axial guide rail 118 provided on the inner side wall of the case 11, and an axial chute 409 provided on the deck 4 and slidably fitted with the axial guide rail 118. When assembled, the axial sliding groove 409 on the movement case 4 is aligned with the axial guide rail 118 on the housing 11, and then can be directly pushed to a predetermined position.

The foregoing description of the preferred embodiments of the present utility model should not be construed as limiting the scope of the utility model, but rather should be understood to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model as defined by the following description and drawings or any application directly or indirectly to other relevant art(s).

Claims

1. The utility model provides a body structure of vacuum machine, its characterized in that, including shell (11), first end cover (12) and core shell (4), be provided with in core shell (4) motor chamber (401) that are used for installing motor (22) and impeller (21), be used for installing battery chamber (404) of battery (5) and be used for installing circuit board support (6) of PCB board (3), shell (11) are a barrel, core shell (4) are installed inside shell (11) and with the inside wall laminating of shell (11), core shell (4) with shell (11) are through buckle structure detachably connection, the first end cover (12) have can supply core shell (4) pass through dismouting mouth (111), first end cover (12) are installed dismouting mouth (111) department, first end cover (12) with core shell (4) threaded connection or with shell (11) threaded connection.

2. The main body structure of the vacuum machine according to claim 1, wherein a button hole (113) is provided on the outer shell (11), a button hole (407) corresponding to the button hole (113) is provided on the movement case (4), the button structure comprises a button piece (7) installed in the button hole (113), and an elastic button (71) buckled at the lower edge of the button hole (407) is provided on the button piece (7).

3. The main body structure of the vacuum machine according to claim 2, wherein the circuit board support (6) is provided with a PCB board (3), the PCB board (3) is provided with a power switch (31) opposite to the button hole (407), the button piece (7) is movably installed in the button hole (113), and the power switch (31) is turned on or off when the button piece (7) is pressed down.

4. The main body structure of the vacuum machine according to claim 1, wherein the card inserting piece (8) is detachably mounted on the housing (11), a first jack (114) is provided on the housing (11), a second jack (408) opposite to the first jack (114) is provided on the cartridge case (4), and a plug rod (81) penetrating through the first jack (114) and the second jack (408) is provided on the card inserting piece (8).

5. The main body structure of the vacuum machine according to claim 4, wherein the first end cover (12) is abutted against the end face of the head end of the outer shell (11), and the first end cover (12) is in threaded connection with the movement shell (4) through a fastener.

6. The main body structure of the vacuum machine according to claim 1, wherein the movement case (4) comprises an upper case (41) and a lower case (42) which are detachably spliced together, the motor cavity (401) is located between the upper case (41) and the lower case (42), the circuit board support (6) is mounted on the inner side wall of the upper case (41), and the battery cavity (404) is surrounded by the lower case (42).

7. A main body structure of a vacuum machine according to claim 1, characterized in that the end of the housing (11) is provided with an air outlet (112), and that the second end plate (13) is detachably mounted at the air outlet (112).

8. The main body structure of a vacuum machine according to claim 7, wherein a buckling table (115) is arranged on an inner side wall at the tail end of the outer shell (11) along the circumferential direction, the second end plate (13) is inserted into an air outlet (112) of the outer shell (11), and a buckling block (131) buckled on the inner side of the buckling table (115) is arranged on the second end plate (13).

9. A main body structure of a vacuum machine according to claim 1, characterized in that a guiding structure capable of guiding the movement shell (4) is provided between the movement shell (4) and the housing (11).

10. A main structure of a vacuum machine according to claim 9, characterized in that said guiding structure comprises an axial guide rail (118) provided on the inner side wall of said housing (11), and an axial chute (409) provided on said movement shell (4) and slidingly cooperating with said axial guide rail (118).