CN218826788U

CN218826788U - Stepless speed regulating switch

Info

Publication number: CN218826788U
Application number: CN202223529065.4U
Authority: CN
Inventors: 余国旗; 田永超
Original assignee: Jiangmen Hanteng Electronic Technology Co ltd
Current assignee: Jiangmen Hanteng Electronic Technology Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-04-07
Anticipated expiration: 2032-12-29

Abstract

The utility model discloses a stepless speed regulation switch, it includes: the switch comprises a switch shell, a switch rotating shaft, an integrated circuit board, a potentiometer, a switch elastic sheet assembly, a gear ball and a gear ball spring; the potentiometer is welded on the integrated circuit board, and a bottom shaft head of the switch rotating shaft is fixedly connected with the potentiometer; the switch elastic sheet assembly is welded on the integrated circuit board, and the switch elastic sheet assembly can be controlled to be contacted and disconnected when the switch rotating shaft rotates; the switch rotating shaft is provided with a spring hole for installing a gear ball spring, the gear ball spring is installed in the spring hole, the switch shell is inserted into the integrated circuit board in a buckling mode and fixed, and the gear ball is tightly pressed in the spring hole. The utility model discloses a components and parts integration is in integrated circuit board, and whole part reduces, so assemble simple and conveniently, and manufacturing cost reduces, and holistic volume diminishes simultaneously, and is unanimous with ordinary mechanical switch size, has good commonality.

Description

Stepless speed regulating switch

Technical Field

The utility model belongs to the technical field of domestic appliance switch and specifically relates to a stepless speed control switch.

Background

The existing speed regulating switch for motors is generally a mechanical switch, cannot realize linear control of the rotating speed of the motor and also can realize linear control of the rotating speed of the motor

The motor cannot be controlled at a low speed. However, the existing speed regulating switch has large volume, more components and parts are directly welded on a circuit board, switch components are complex, the assembly is inconvenient, the size of the existing speed regulating switch is inconsistent with that of the existing popular common gear, and the size of the existing speed regulating switch is relatively large. The existing electronic speed regulation switch can only realize electronic disconnection, but cannot realize mechanical manual disconnection when the electronic disconnection fails. The existing patent numbers are: CN 209232643U discloses a mechanical stepless speed regulation switch, which includes a switch bracket, a switch rotating shaft, a inching spring, a circuit board, a switch moving plate, and a switch fixed plate, wherein the circuit board is provided with a potentiometer, an electric change-over switch and a power trimmer; the switch rotating shaft is arranged between the switch bracket and the potentiometer, and the shaft of the switch rotating shaft penetrates through the switch bracket and the potentiometer; a power switch lug and a jog switch cam are arranged on the switch rotating shaft; the switch rotating shaft rotates to enable the switch lug to be in contact with the switch moving piece, and the switch moving piece is separated from the switch fixed piece; the switch rotating shaft rotates to the other direction, the inching switch cam can be in contact with the inching change-over switch, and the inching change-over switch is closed.

Therefore, the conventional mechanical speed regulation switch has a relatively complex structure, so that the size is large, the manufacturing cost is high, and the universality is poor.

Therefore, improvements to the prior art are yet to be made.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a stepless speed regulation switch, it is more to aim at in the spare part of solving current mechanical speed regulation switch, and the equipment is troublesome, and is with high costs, and the volume is great than general mechanical switch, leads to the not good technical problem of commonality.

In order to achieve the above purpose, the technical scheme of the utility model is as follows: a stepless speed regulating switch, comprising: the switch comprises a switch shell, a switch rotating shaft, an integrated circuit board, a potentiometer, a switch elastic sheet assembly, a gear ball and a gear ball spring; the potentiometer is welded on the integrated circuit board, and a bottom shaft head of the switch rotating shaft is fixedly connected with the potentiometer; the switch elastic sheet assembly is welded on the integrated circuit board, and the switch elastic sheet assembly can be controlled to be contacted and disconnected when the switch rotating shaft rotates; the switch rotating shaft is provided with a spring hole for installing a gear ball spring, the gear ball spring is installed in the spring hole, and the switch shell is inserted into the integrated circuit board in a buckling mode and fixed and tightly presses the gear ball in the spring hole.

The stepless speed regulation switch is characterized in that a shaft column with a spherical-segment-shaped section is arranged at the upper end of the switch rotating shaft, and a spring clamping groove for mounting a inching spring is formed in the outer ring of the shaft column.

The stepless speed regulation switch is characterized in that a inching spring for resetting the switch rotating shaft after rotating is installed in the spring clamping groove.

The stepless speed regulation switch, wherein, switch shell fragment subassembly includes switch rotor and switch stator, switch rotor and switch stator are provided with the contact that corresponds the touching respectively.

The stepless speed regulating switch is characterized in that the switch moving piece is provided with an inverted V-shaped bulge convenient for pushing the switch rotating shaft.

The stepless speed regulating switch is characterized in that a V-shaped groove with an inverted V-shaped bulge is formed in the outer side wall of the switch rotating shaft.

The stepless speed regulation switch is characterized in that the integrated circuit board is provided with four buckling holes.

The stepless speed regulating switch is characterized in that four reverse buckles are arranged at the bottom end of the switch shell and are correspondingly inserted into the buckling holes and fixed through buckles.

The stepless speed regulation switch, wherein, the interior top of switch shell is provided with the spacing groove that corresponds gear ball location.

Has the beneficial effects that: the utility model discloses a components and parts integration is in integrated circuit board, and whole part reduces, so assemble simple and conveniently, and manufacturing cost reduces, and holistic volume diminishes simultaneously, and is unanimous with ordinary mechanical switch size, has good commonality.

Drawings

Fig. 1 is an exploded view of the present invention.

Fig. 2 is a schematic view of the overall structure of the present invention.

Fig. 3 is a schematic diagram of the present invention with the switch housing and the inching spring removed.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the present invention will be further described in detail with reference to the accompanying drawings and examples.

As shown in fig. 1-3, the utility model discloses a stepless speed regulation switch, it includes: the switch comprises a switch shell 1, a switch rotating shaft 2, an integrated circuit board 3, a potentiometer 4, a switch elastic sheet assembly 5, a gear ball 6 and a gear ball spring 7; the potentiometer 4 is welded on the integrated circuit board 3, and a bottom shaft head of the switch rotating shaft 2 is fixedly connected with the potentiometer 4; the switch elastic sheet assembly 5 is welded on the integrated circuit board 3, and the switch elastic sheet assembly 5 can be controlled to be contacted and disconnected when the switch rotating shaft 2 rotates; the switch rotating shaft 2 is provided with a spring hole 20 for installing the gear ball spring 7, the gear ball spring 7 is installed in the spring hole 20, the switch shell 1 is inserted into the integrated circuit board 3 in a buckling mode to be fixed, and the gear ball 6 is pressed in the spring hole 20.

Because the components are integrated on the integrated circuit board, the components welded on the circuit board are fewer, the circuit board is more attractive when being seen, the size of the circuit board of the speed regulating switch is reduced, meanwhile, the switch rotating shaft of the speed regulating switch is simple in structure, the installation direction of the gear ball spring is parallel to the rotating column of the switch rotating shaft, and the gear ball is tightly pressed in the spring hole by the switch shell, so that the installation of the gear ball and the gear ball spring is more convenient, the gear limit can be realized when the stepless speed regulation of the switch rotating shaft is reduced, and the multi-gear regulation can be tried; the processing cost of the switch rotating shaft is lower in the design structure, and the switch rotating shaft is more convenient to assemble, so that the production efficiency is improved, the speed regulation switch can be kept to be the same as the existing mechanical switch in size, and the switch rotating shaft has good universality.

In one embodiment, a shaft column 21 with a spherical segment-shaped section is arranged at the upper end of the switch rotating shaft 2, and a spring clamping groove 22 for mounting a inching spring is arranged on the outer ring of the shaft column 21; therefore, the switch rotating shaft can be rotated through the shaft column, the rotation of the hanging rotating shaft is realized, and meanwhile, the spring clamping groove can be utilized to install the electric spring.

In one embodiment, the spring slot 22 is provided with a inching spring 8 for resetting after the switch rotating shaft rotates.

Specifically speaking, switch shell fragment subassembly 5 includes switch rotor 9 and switch stator 10, switch rotor 9 and switch stator 10 are provided with the contact 11 that corresponds the touching respectively, because switch rotor and switch stator are equipped with the contact, so when switch rotor and hang the stator and be close to, can realize the contact, when switch rotor was kept away from, can realize the disconnection, realizes mechanical type outage.

Preferably, the switch moving plate 9 is provided with an inverted "V" shaped protrusion 12 for facilitating the pushing of the switch rotating shaft.

Preferably, the outer side wall of the switch rotating shaft 2 is provided with a V-shaped groove 13 corresponding to an inverted V-shaped protrusion.

So when the V type groove of switch pivot and the protruding inlay card of falling "V" type of switch rotor were just gone, switch rotor was in the state of disconnection with the switch stator, and when the rotary switch pivot, the switch pivot can promote "V" type arch of falling for the switch rotor is toward extruding outward, and then with the contact of switch stator, realizes the contact.

Preferably, the integrated circuit board 3 is provided with four fastening holes 30, and the number of the fastening holes 30 is four.

Preferably, the bottom end of the switch housing 1 is provided with four reverse buckles 14 which are correspondingly inserted into the buckle holes and fastened, and the number of the reverse buckles 14 is four.

After adopting above-mentioned structure, switch housing can install on integrated circuit board fast to realize compressing tightly the gear ball in the spring hole

Specifically, the inner top of the switch housing 1 is provided with a limiting groove (not shown) corresponding to the location of the gear ball.

The utility model discloses a components and parts integration is in integrated circuit board, and whole part reduces, so assemble simple and conveniently, and manufacturing cost reduces, and holistic volume diminishes simultaneously, and is unanimous with ordinary mechanical switch size, has good commonality.

The above is a preferred embodiment of the present invention, and certainly not to limit the scope of the present invention, it should be noted that, for those skilled in the art, modifications or equivalent substitutions of the technical solutions of the present invention without creative efforts may not depart from the protection scope of the technical solutions of the present invention.

Claims

1. A stepless speed regulation switch, characterized by comprising: the switch comprises a switch shell, a switch rotating shaft, an integrated circuit board, a potentiometer, a switch elastic sheet assembly, a gear ball and a gear ball spring; the potentiometer is welded on the integrated circuit board, and a bottom shaft head of the switch rotating shaft is fixedly connected with the potentiometer; the switch elastic sheet assembly is welded on the integrated circuit board, and the switch elastic sheet assembly can be controlled to be contacted and disconnected when the switch rotating shaft rotates; the switch rotating shaft is provided with a spring hole for installing a gear ball spring, the gear ball spring is installed in the spring hole, and the switch shell is inserted into the integrated circuit board in a buckling mode and fixed and tightly presses the gear ball in the spring hole.

2. The stepless speed regulating switch according to claim 1, wherein the upper end of the switch rotating shaft is provided with a shaft column with a spherical segment-shaped section, and the outer ring of the shaft column is provided with a spring clamping groove for mounting the inching spring.

3. The stepless speed regulating switch according to claim 2, wherein a inching spring for resetting after the switch rotating shaft rotates is installed in the spring clamping groove.

4. The stepless speed regulation switch of claim 3, wherein the switch elastic sheet assembly comprises a switch moving sheet and a switch fixed sheet, and the switch moving sheet and the switch fixed sheet are respectively provided with a contact corresponding to touch.

5. The stepless speed regulating switch of claim 4, wherein the switch moving piece is provided with an inverted V-shaped protrusion for facilitating the pushing of the switch rotating shaft.

6. The stepless speed regulating switch of claim 5, wherein the outer side wall of the switch rotating shaft is provided with a V-shaped groove opposite to an inverted V-shaped protrusion.

7. The stepless speed regulation switch of claim 6, wherein the integrated circuit board is provided with four buckling holes.

8. The stepless speed regulating switch according to claim 7, wherein the bottom end of the switch shell is provided with four reverse buckles which are correspondingly inserted into the buckle holes and fastened and fixed by buckles.

9. The stepless speed regulating switch of claim 1, wherein a limiting groove corresponding to the location of the gear ball is arranged at the inner top of the switch shell.