CN216437738U

CN216437738U - Anti-disassembly type small household appliance PCB controller

Info

Publication number: CN216437738U
Application number: CN202123083571.0U
Authority: CN
Inventors: 王成俊
Original assignee: Foshan Shuncheng Electronic Technology Co ltd
Current assignee: Foshan Shuncheng Electronic Technology Co ltd
Priority date: 2021-12-09
Filing date: 2021-12-09
Publication date: 2022-05-03
Anticipated expiration: 2031-12-09

Abstract

The utility model discloses a prevent disassembling little household electrical appliances PCB controller, which comprises a housin, the inside fixed mounting PCB board of casing, casing top movable mounting roof, casing both ends fixed connection fixed block, fixed block both ends sliding connection fixture block, the roof bottom fixed connection locating piece at fixed block both ends, the locating piece side has seted up the draw-in groove, the utility model relates to a controller equipment technical field; this prevent disassembling small household appliances PCB controller, through the fixture block, the draw-in groove carries out fixed connection between casing and the roof, promote sliding plate to recess inside through the second dead lever, promote sliding plate to recess inside through first spring, make the slider fix the position of both ends second dead lever, avoid leading to connection structure separation because factors such as impact between the casing of controller, decompose between main part and the lid, and then cause the damage to the PBC board, the practicality of device has been improved, the application scope of device has been expanded.

Description

Anti-disassembly type small household appliance PCB controller

Technical Field

The utility model relates to a controller equipment technical field specifically is a prevent small household appliances PCB controller of dismantlement formula.

Background

The PCB is called a printed circuit board, also called a printed circuit board, and is an important electronic component, a support for electronic components, and a carrier for electrical interconnection of electronic components. It is called a "printed" circuit board because it is made using electronic printing. The PCB is composed of an insulating base plate, connecting leads and a welding pad for assembling and welding electronic elements, and has double functions of a conducting circuit and the insulating base plate. The controller is a master device for controlling the starting, speed regulation, braking and reversing of the motor by changing the wiring of a main circuit or a control circuit and changing the resistance value in the circuit according to a preset sequence.

When the existing PCB controller is used, the shell is separated from the end cover of the controller due to the fact that the shell is impacted, and then a PCB circuit board inside the controller is damaged, and the practicability of the PCB controller is affected.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a prevent disassembling type small household appliances PCB controller has solved current device because the casing receives the problem that the impact leads to casing and controller end cover separation.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a prevent small household appliances PCB controller of dismantlement formula, includes the casing, the inside fixed mounting PCB board of casing, casing top movable mounting roof, casing both ends fixed connection fixed block, fixed block both ends sliding connection fixture block, the roof bottom fixed connection locating piece at fixed block both ends, the draw-in groove has been seted up to the locating piece side, fixture block and draw-in groove joint, the dead slot has been seted up at the fixed block middle part, the inside sliding connection slider of dead slot, the first dead lever of slider bottom fixed connection, first dead lever and the inside sliding connection of fixed block, the fixture block side fixed connection second dead lever at slider both ends, the dead slot is located to second dead lever side.

Preferably, a first spring is sleeved on the outer side of the first fixing rod between the bottom end of the sliding block and the bottom end of the empty groove.

Preferably, the second spring is sleeved in the middle of the second fixing rod.

Preferably, the top end of the empty groove is fixedly connected with a third fixed rod, and the middle part of the third fixed rod is slidably connected with two sliding plates.

Preferably, a third spring is sleeved outside the third fixing rod between the two sliding plates.

Preferably, the top end of the sliding block is provided with a groove.

Advantageous effects

The utility model provides a prevent disassembling type small household appliances PCB controller. Compared with the prior art, the method has the following beneficial effects:

(1) this prevent disassembling small household appliances PCB controller, through the fixture block, the draw-in groove carries out fixed connection between casing and the roof, promote sliding plate to recess inside through the second dead lever, promote sliding plate to recess inside through first spring, make the slider fix the position of both ends second dead lever, avoid leading to connection structure separation owing to factors such as impact between the casing of controller, decompose between main part and the lid, and then cause the damage to the PBC board, the practicality of device has been improved, the application scope of device has been expanded.

(2) This prevent disassembling type small household appliances PCB controller through placing the PCB board inside the casing, utilizes the inside arch of top cap to fix, easy operation, and the function is perfect, and the practicality is strong.

Drawings

FIG. 1 is a sectional view of the structure of the present invention;

fig. 2 is a side view of the present invention;

FIG. 3 is a schematic view of the internal structure of the fixing block before assembly;

fig. 4 is an enlarged view of fig. 2 a according to the present invention;

fig. 5 is an enlarged view of the present invention at B in fig. 4.

FIG. 1, a housing; 2. a PCB board; 3. a top plate; 4. a fixed block; 5. a clamping block; 6. a card slot; 7. an empty groove; 8. a slider; 9. a first fixing lever; 10. a second fixing bar; 11. a first spring; 12. a second spring; 13. a third fixing bar; 14. a sliding plate; 15. a third spring; 16. and (4) a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1-5, a disassembly-proof small-sized household appliance PCB controller comprises a housing 1, a PCB 2 fixedly mounted inside the housing 1, a top plate 3 movably mounted on the top end of the housing 1, fixing blocks 4 fixedly connected to both ends of the housing 1, fixture blocks 5 slidably connected to both ends of the fixing blocks 4, a positioning block fixedly connected to the bottom ends of the top plates 3 at both ends of the fixing blocks 4, a slot 6 formed on the side end of the positioning block, the fixture block 5 being engaged with the slot 6, the housing 1 and the top plate 3 being fixedly connected through the fixture block 5 and the slot 6, a hollow slot 7 formed in the middle of the fixing block 4, a slider 8 slidably connected inside the hollow slot 7, a first fixing rod 9 fixedly connected to the bottom end of the slider 8, the first fixing rod 9 being slidably connected to the inside of the fixing block 4, the slider 4 being guided by the first fixing rod 9, a second fixing rod 10 fixedly connected to the side ends of the fixture blocks 5 at both ends of the slider 8, the second fixing rod 10 being disposed inside the hollow slot 7, slide to fixing the position of two second dead levers 10 between two second dead levers 10 through slider 8, the first dead lever 9 outside cover that is located between slider 8 bottom and empty groove 7 bottom is equipped with first spring 11, second dead lever 10 middle part cover is equipped with second spring 12, empty groove 7 top fixed connection third dead lever 13, third dead lever 13 middle part sliding connection has two sliding plates 14, the third dead lever 13 outside cover that is located between two sliding plates 14 is equipped with third spring 15, slider 8 top has seted up recess 16, sliding plate 14 supports slider 8 and makes slider 8 arrange second dead lever 10 below in when beginning in, then extrude sliding plate 14 through second dead lever 10, make inside sliding plate 14 slide into recess 16, when making second dead lever 10 recover, slider 8 can rise to between two second dead levers 10.

And those not described in detail in this specification are well within the skill of those in the art.

During operation, at first, top plate 3 is correspondingly placed on the top end of shell 1, positioning blocks 5 at two ends are extruded by the aid of the positioning blocks driven by the top plate 3 to be pressed downwards, so that the clamping blocks 5 are folded, the top plate 3 is continuously pressed downwards so that the clamping blocks 5 are matched with clamping grooves 6, the sliding plate 14 is pushed to be drawn close by the second fixing rod 10 at the side end of the clamping blocks 5, the sliding plate 14 finally slides into the groove 16, when the clamping blocks 5 are restored, the sliding block 8 is extruded and ascended by the first spring 11, the sliding block 8 is restrained on the second fixing rod 10, and the second fixing rod 10 is prevented from being drawn close again.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a prevent small household appliances PCB controller of dismantlement formula, includes casing (1), casing (1) inside fixed mounting PCB board (2), casing (1) top movable mounting roof (3), its characterized in that: casing (1) both ends fixed connection fixed block (4), fixed block (4) both ends sliding connection fixture block (5), roof (3) bottom fixed connection locating piece at fixed block (4) both ends, draw-in groove (6) have been seted up to the locating piece side, fixture block (5) and draw-in groove (6) joint, dead slot (7) have been seted up at fixed block (4) middle part, inside sliding connection slider (8) of dead slot (7), the first dead lever (9) of slider (8) bottom fixed connection, first dead lever (9) and the inside sliding connection of fixed block (4), fixture block (5) side fixed connection second dead lever (10) at slider (8) both ends, inside dead slot (7) was located to second dead lever (10) side.

2. The PCB controller for anti-disassembly small home appliances of claim 1, wherein: a first spring (11) is sleeved on the outer side of a first fixing rod (9) positioned between the bottom end of the sliding block (8) and the bottom end of the empty groove (7).

3. The PCB controller for anti-disassembly small home appliances of claim 1, wherein: and a second spring (12) is sleeved in the middle of the second fixing rod (10).

4. The PCB controller for anti-disassembly small home appliances of claim 1, wherein: the top end of the empty groove (7) is fixedly connected with a third fixing rod (13), and the middle part of the third fixing rod (13) is slidably connected with two sliding plates (14).

5. The PCB controller for anti-disassembly small home appliances of claim 4, wherein: a third spring (15) is sleeved on the outer side of a third fixed rod (13) positioned between the two sliding plates (14).

6. The PCB controller for anti-disassembly small home appliances of claim 1, wherein: the top end of the sliding block (8) is provided with a groove (16).