CN215187551U

CN215187551U - Mounting structure of PCB board and have its ground cleaning equipment

Info

Publication number: CN215187551U
Application number: CN202120597287.6U
Authority: CN
Inventors: 武新新
Original assignee: Dreame Innovation Technology Suzhou Co Ltd
Current assignee: Dreame Innovation Technology Suzhou Co Ltd
Priority date: 2021-03-24
Filing date: 2021-03-24
Publication date: 2021-12-14
Anticipated expiration: 2031-03-24

Abstract

The utility model relates to a mounting structure of PCB board and have its ground cleaning device, a mounting structure of PCB board, include: the PCB is provided with components and parts and is rectangular; the PCB is arranged on the mounting rack, the components are positioned on one side of the PCB, which faces the mounting rack, and a first mounting groove for exposing the components is formed in the mounting rack; wherein, a locating hole is opened at one corner of PCB board, and the mounting bracket is equipped with the reference column of installing with the locating hole cooperation. The utility model discloses a locating hole is seted up in the one corner of PCB board, and the mounting bracket sets up the reference column of installing with the locating hole cooperation to make the mounted position of PCB board on the mounting bracket only, the positioning assembly of being convenient for has avoided the relative position of components and parts and mounting bracket to change in the assembling process, thereby ensures that equipment back function is normal.

Description

Mounting structure of PCB board and have its ground cleaning equipment

[ technical field ] A method for producing a semiconductor device

The utility model relates to a cleaning device technical field, in particular to mounting structure of PCB board and have its ground cleaning device.

[ background of the invention ]

In recent years, cleaning devices have gained wide popularity in the marketplace due to their efficient and convenient floor sweeping and cleaning capabilities. In the prior art, whether the cleaning device is a handheld cleaning device or a self-cleaning device, a button assembly is usually arranged in a shell of the cleaning device, and the working state of the cleaning device is controlled by pressing the button assembly.

The button assembly generally includes a mounting bracket, a button mounted on the mounting bracket, and a PCB board. Because the PCB is generally a symmetrical shape, the PCB is easily incorrectly mounted on the mounting bracket during the actual assembly process. After the PCB is installed incorrectly, the positions of the components on the PCB are correspondingly changed. The buttons and the components on the mounting rack cannot correspond to each other, so that repeated reinstallation is caused, and the assembly efficiency is influenced; or the components corresponding to the buttons are changed, so that the functions corresponding to the buttons are correspondingly changed, the functions of the equipment are disordered, and the labor amount of subsequent detection is increased; or the self-assembly of the user is not facilitated, and the user experience is greatly influenced.

Accordingly, there is a need for improvements in the art that overcome the deficiencies in the prior art.

[ Utility model ] content

An object of the utility model is to provide a mounting structure of PCB board and have its ground cleaning equipment, it can prevent the mistake installation of PCB board and mounting bracket to ensure the constancy of position of components and parts.

The utility model aims at realizing through the following technical scheme: a mounting structure of a PCB board, comprising: the PCB is provided with components and parts and is rectangular; the PCB is mounted on the mounting rack, the component is positioned on one side of the PCB, which faces the mounting rack, and a first mounting groove for exposing the component is formed in the mounting rack; the PCB comprises a PCB board, a positioning hole, a mounting frame and a positioning column, wherein the positioning hole is formed in one corner of the PCB board, and the mounting frame is provided with the positioning column which is installed in a matched mode with the positioning hole.

Further, the PCB board comprises a first symmetry axis and a second symmetry axis, and the first symmetry axis is longer than the second symmetry axis.

Further, the mounting frame is provided with a buckle structure, and the buckle structure is configured on two sides of the second symmetry axis of the PCB so as to fix the PCB on the mounting frame.

Furthermore, the PCB board is further provided with a positioning portion, the positioning portion and the positioning hole are respectively arranged on two sides of the first symmetry axis, the positioning portion and the positioning hole are not in axial symmetry or central symmetry with the first symmetry axis, and the mounting frame is provided with a positioning block matched with the positioning portion.

Furthermore, the positioning part penetrates through the PCB, and the positioning part is opened towards one side departing from the positioning hole.

Furthermore, the positioning hole is a circular positioning hole, and the positioning column is cylindrical; or, the positioning part is a polygonal hole, and the positioning block is a polygonal column.

In addition, the utility model also provides a ground cleaning device, which comprises the installation structure of the PCB; an electrically powered cleaning assembly; the handle accommodates the installation structure of the PCB; and the two ends of the rod body are respectively connected with the handle and the electric cleaning component.

Further, components and parts are the light touch switch, the PCB board with electronic clean subassembly electricity is connected, mounting bracket movable mounting have with components and parts corresponding button.

Further, the handle comprises a handle shell, and the handle shell is provided with a mounting hole for the button to extend out.

Further, a second mounting groove matched with the mounting frame is formed in the handle shell.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses a locating hole is seted up in the one corner of PCB board, and the mounting bracket sets up the reference column of installing with the locating hole cooperation to make the mounted position of PCB board on the mounting bracket only, the positioning assembly of being convenient for has avoided the relative position of components and parts and mounting bracket to change in the assembling process, ensures that equipment back ground cleaning device function is normal, has greatly improved production efficiency.

[ description of the drawings ]

Fig. 1 is a schematic view of the installation of the middle installation frame and the PCB board of the present invention.

Fig. 2 is a schematic view of the structure of fig. 1 in another direction.

Fig. 3 is a schematic structural view of the floor cleaning device of the present invention.

Fig. 4 is a schematic structural view of the handle casing of the present invention.

[ detailed description ] embodiments

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting of the application. It should be further noted that, for the convenience of description, only some of the structures related to the present application are shown in the drawings, not all of the structures. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The terms "comprising" and "having," as well as any variations thereof, in this application are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

Referring to fig. 1 and 2, a PCB board mounting structure according to a preferred embodiment of the present invention includes: the PCB comprises a PCB 1, wherein components 11 are arranged on the PCB 1, and the PCB 1 is rectangular; the PCB board 1 is arranged on the mounting rack 2, the component 11 is positioned on one side of the PCB board 1 facing the mounting rack 2, and a first mounting groove 2b for exposing the component 11 is formed in the mounting rack 2; wherein, a positioning hole 31 is opened at one corner of the PCB board 1, and the mounting rack 2 is provided with a positioning column 41 installed in cooperation with the positioning hole 31.

The utility model discloses a locating hole 31 is seted up in PCB board 1 one corner, and mounting bracket 2 sets up the reference column 41 of installing with locating hole 31 cooperation to make PCB board 1 mounted position on mounting bracket 2 only, the positioning assembly of being convenient for has avoided components and parts 11 and mounting bracket 2's relative position to change in the assembling process, thereby ensures that equipment back ground cleaning device function is normal.

Further, the mounting frame 2 includes a mounting end surface 2a facing the PCB. The positioning column 41 is provided to protrude from the mounting end surface 2 a. In the present embodiment, the positioning post 41 has a cylindrical structure, and correspondingly, the positioning hole 31 has a circular shape, so as to facilitate quick-fit assembly.

The mounting rack 2 is movably provided with a button 5, and the button 5 corresponds to the component 11. The component 11 is specifically a tact switch, and the operator can indirectly press the component 11 by pressing the button 5. In this embodiment, the number of the components 11 is two to respectively control the start and stop of the cleaning device and adjust the working state, and correspondingly, the number of the buttons 5 is also two.

After the PCB board 1 is mounted on the mounting frame 2, the PCB board 1 can rotate around the positioning column 41. Preferably, the PCB board 1 is further provided with a positioning portion 32, the mounting end surface 2a of the mounting frame 2 is convexly provided with a positioning block 42, and the positioning block 42 is matched with the positioning portion 32. The positioning portion 32 penetrates through the PCB board 1, and the positioning portion 32 is open toward a side away from the positioning hole 31.

The PCB board 1 comprises a first axis of symmetry 1a and a second axis of symmetry 1b, the first axis of symmetry 1a being longer than the second axis of symmetry 1 b. The positioning portions 32 and the positioning holes 31 are respectively provided on both sides of the first axis of symmetry 1 a. Preferably, in order to prevent the erroneous installation, the positioning portion 32 and the positioning hole 31 are not axisymmetric or centrosymmetric about the first axis of symmetry 1 a. In the present embodiment, the positioning portion 32 is a polygonal hole or slot, and the positioning block 42 is a polygonal column, so as to enhance the stability between the positioning portion 32 and the positioning block 42. Of course, the positioning block 42 may be cylindrical and the positioning portion 32 may be circular.

Through setting up locating piece 42, it can cooperate with reference column 41 to prevent that PCB board 1 from rotating, and then restrict PCB board 1 in the ascending degree of freedom of second symmetry axis 1b direction, make PCB board 1 more firm on mounting bracket 2.

Further, a buckle structure is further arranged on the mounting frame 2, and the PCB board 1 is fixed on the mounting frame 2 through the buckle structure. Through set up buckle structure on mounting bracket 2, compare in fixed modes such as screw, buckle structure need not to use extra instrument and can realize fixing, and it is more convenient to install, and then improves assembly efficiency.

The snap structure comprises two snaps 6 located on both sides of the second axis of symmetry 1b of the PCB 1 to limit the degree of freedom of the PCB 1 in the direction of the first axis of symmetry 1 a.

The latch 6 includes a base portion 61 extending from the mounting end surface 2a of the mounting bracket 2 toward the PCB board 1, and a latch portion 62 extending from the base portion 61 toward a middle portion of the mounting end surface 2 a. The base portion 61 has a certain elasticity, and can expand the locking portion 62. The fastening part 62 has a mounting gap with the mounting end surface 2a, and the mounting gap is matched with the thickness of the PCB 1. In order to facilitate the PCB board 1 to be buckled into the mounting frame 2, the buckling part 62 is provided with a guiding inclined plane 621 for guiding the PCB board 1 to be buckled into the buckling part 6.

During installation, the outer wall of the buckling part 62 is firstly contacted with the side wall of the PCB 1, the PCB 1 is continuously pressed downwards, the buckling part 62 is outwards spread under the action of the PCB 1, and the PCB 1 smoothly passes through the buckling part 62 and is attached to the installation end surface 2a of the installation frame 2; when the outer wall of the locking part 62 is separated from the side wall of the PCB 1, the locking part 62 is restored by the resilient action of the base part 61 and restricts the PCB 1 from being separated from the mounting bracket 2.

In addition, referring to fig. 3 and 4, the present invention also provides a floor cleaning device, which comprises the aforementioned PCB board mounting structure, a handle 200, an electric cleaning assembly 100 and a rod 300. The handle 200 is used to accommodate the aforementioned PCB board mounting structure. The two ends of the rod 300 are connected to the electric cleaning assembly 100 and the handle 200, respectively. The PCB board 1 is electrically connected to the electric cleaning assembly 100 to realize the start/stop of the electric cleaning assembly 100 and adjust each working state by pressing the component 11.

The handle 200 includes a handle housing 201, and the handle housing 201 is opened with a mounting hole 202 through which the button 5 is protruded so that the user can press the button 5 at the outside of the handle housing 201. A second mounting groove 203 matched with the mounting rack 2 is arranged in the handle shell 201, and the mounting rack 2 is positioned with the handle shell 201 through the second mounting groove 203. Preferably, the second mounting groove 203 is of a special-shaped structure so as to identify and position. The handle housing 201 is fixed to the mounting frame 2 by a locking member (not shown), which is a threaded locking member such as a screw or a bolt.

To sum up, the utility model discloses a set up the locating hole in one corner of PCB board, the mounting bracket sets up the reference column of installing with the locating hole cooperation, thereby makes the PCB board unique in the mounted position on the mounting bracket, is convenient for the location assembly, has avoided the relative position of components and parts and mounting bracket to change in the assembly process, thereby ensures that the cleaning equipment function is normal after the equipment;

the PCB is also provided with a positioning part, the mounting frame is provided with a positioning block matched with the positioning part, and the positioning block is matched with the positioning column to position the PCB so that the PCB is more stable on the mounting frame;

the PCB and the mounting frame are connected in a buckling mode, the installation is convenient, and the assembly efficiency is effectively improved.

The above description is only for the purpose of illustrating embodiments of the present invention and is not intended to limit the scope of the present invention, and all modifications, equivalents, and equivalent structures or equivalent processes that can be used directly or indirectly in other related fields of technology shall be encompassed by the present invention.

Claims

1. A mounting structure of a PCB board, comprising:

the PCB comprises a PCB (1), wherein components (11) are arranged on the PCB (1), and the PCB (1) is rectangular;

the PCB comprises a mounting rack (2), wherein the PCB (1) is mounted on the mounting rack (2), the component (11) is positioned on one side of the PCB (1) facing the mounting rack (2), and a first mounting groove (2b) for exposing the component (11) is formed in the mounting rack (2);

one corner of the PCB (1) is provided with a positioning hole (31), and the mounting rack (2) is provided with a positioning column (41) which is matched with the positioning hole (31) for installation.

2. The PCB board mounting structure of claim 1, wherein: the PCB board (1) comprises a first symmetry axis (1a) and a second symmetry axis (1b), wherein the first symmetry axis (1a) is longer than the second symmetry axis (1 b).

3. The PCB board mounting structure of claim 2, wherein: the mounting frame (2) is provided with buckling structures which are configured to be arranged on two sides of a second symmetry axis (1b) of the PCB (1) so as to fix the PCB (1) on the mounting frame (2).

4. The PCB board mounting structure of claim 2, wherein: the PCB (1) is further provided with a positioning part (32), the positioning part (32) and the positioning hole (31) are respectively arranged at two sides of the first symmetry axis (1a), the positioning part (32) and the positioning hole (31) are not axisymmetric or centrosymmetric with the first symmetry axis (1a),

the mounting frame (2) is provided with a positioning block (42) matched with the positioning part (32).

5. The PCB board mounting structure of claim 4, wherein: the positioning part (32) penetrates through the PCB (1), and one side, facing away from the positioning hole (31), of the positioning part (32) is open.

6. The PCB board mounting structure of claim 4, wherein: the positioning hole (31) is a circular positioning hole, and the positioning column (41) is cylindrical; or

The positioning part (32) is a polygonal hole, and the positioning block (42) is a polygonal column.

7. A floor cleaning apparatus characterized by: a mounting structure including the PCB board as recited in any one of claims 1 to 6;

an electric cleaning assembly (100);

a handle (200), wherein the handle (200) accommodates the installation structure of the PCB; and

the two ends of the rod body (300) are respectively connected with the handle (200) and the electric cleaning component (100).

8. A floor cleaning device according to claim 7, characterized in that the component (11) is a tact switch, the PCB board (1) is electrically connected with the electric cleaning assembly (100), and the mounting rack (2) is movably mounted with a button (5) corresponding to the component (11).

9. A floor cleaning device according to claim 8, characterized in that the handle (200) comprises a handle housing (201), the handle housing (201) being provided with a mounting hole (202) for the push button (5) to protrude through.

10. A floor cleaning device according to claim 9, characterized in that a second mounting slot (203) adapted to the mounting frame (2) is provided in the handle housing (201).