CN212648110U

CN212648110U - Improved gear knob switch

Info

Publication number: CN212648110U
Application number: CN202021593145.4U
Authority: CN
Inventors: 李道昌
Original assignee: Dongguan Xinshang Industrial Co ltd
Current assignee: Dongguan Xinshang Industrial Co ltd
Priority date: 2020-08-04
Filing date: 2020-08-04
Publication date: 2021-03-02
Anticipated expiration: 2030-08-04

Abstract

The utility model discloses an improved gear knob switch, which comprises a base, a gear seat, a PCBA, a gear and a knob; the base is provided with a mounting groove; the gear is provided with the pressing rod and the elastic piece, and the gear seat is provided with the plurality of gear grooves which are matched and impacted with the pressing rod, so that a user can drive the gear to rotate for 360 degrees when rotating the knob, and the pressing rod sequentially impacts each gear groove along with the rotation of the gear, so that the user can obviously feel feedback caused by gear change, and misoperation is not easy to cause; simultaneously, the mounting hole for installing the depression bar sets up on gear's periphery side to the depression bar is in the activity and the mounting hole of stretching out and drawing back all around on the horizontal direction, makes the elastic component all concentrate on gear's axis to gear's reaction force, and the user is when rotating the knob, and gear's rotation is more stable and laborsaving.

Description

Improved gear knob switch

Technical Field

The utility model belongs to the technical field of the engineering machine tool technique and specifically relates to indicate an improvement type gear knob switch.

Background

Construction machines are an important component of the equipment industry. In general, mechanical equipment necessary for comprehensive mechanized construction works required for earth and stone construction works, road surface construction and maintenance, mobile lifting, loading and unloading operations, and various construction works is called as construction machinery. Throughout the world, the name for this industry is basically the same, with the united states and the united kingdom being referred to as construction machines and equipment, germany as construction machines and devices, russia as construction and road construction machines, and japan as construction machines. In China, products are also called construction machines, and when a mechanical system constructs a batch of documents of the industry according to a state department, the products are called engineering machines, and the work is continued until now. The product range defined by the industry is approximately the same for all countries, and the industries such as railway line engineering machinery, forklifts, industrial carrying vehicles, decoration machinery, elevators, pneumatic tools and the like are added to the Chinese engineering machinery compared with other countries.

With the development of electronic technology and the development of the automotive electronics industry, large-scale equipment on some engineering machinery needs more and more functions, each function needs a knob switch capable of adjusting different levels, and feedback of changes of a plurality of knob switches between gears on the market at present is not obvious enough, so that misoperation of workers is caused.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model discloses to the disappearance that prior art exists, its main objective provides an improvement type gear knob switch, and it can effectively solve current knob switch and have the feedback that changes between gear and the gear not obvious enough, causes staff's maloperation's problem.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an improved gear knob switch comprises a base, a gear seat, a PCBA, a gear and a knob; the base is provided with a mounting groove; the gear seat is arranged in the mounting groove, the base is surrounded to form an accommodating cavity, the inner peripheral side wall of the gear seat is provided with a plurality of gear grooves, and the plurality of gear grooves are circumferentially arranged; the PCBA is arranged in the base mounting groove; the gear is rotatably arranged in the accommodating cavity, a photosensitive catch used for triggering a photosensitive switch on the PCBA is arranged at the bottom of the gear, a plurality of mounting holes are formed in the peripheral side face of the gear, the mounting holes are circumferentially arranged, a pressure rod and an elastic piece are arranged in each mounting hole, and the elastic pieces enable the pressure rods to extend out of the mounting holes and abut against the corresponding gear grooves; the knob is connected with the top of the gear and exposed out of the gear seat, and the knob drives the gear to rotate.

As a preferred embodiment: the bottom surface of mounting groove is equipped with first trip, run through in the middle of the PCBA and be equipped with first card hole, this first trip is from up passing first card hole block at PCBA's upper surface down.

As a preferred embodiment: the bottom surface of mounting groove is equipped with spacing post, runs through on this PCBA to have spacing hole, and this spacing post is worn to establish in spacing hole.

As a preferred embodiment: the gear seat is made of hard plastic or metal, and the pressure lever is made of hard plastic or metal.

As a preferred embodiment: the mounting holes are four and equally spaced on the circumference.

As a preferred embodiment: the sensitization separation blade is a plurality of, a plurality of sensitization separation blades equidistance and the circumferential arrangement at gear's lower surface.

As a preferred embodiment: the outer peripheral side of the gear seat is provided with a limiting convex rib, the inner peripheral side wall of the mounting groove is provided with a limiting groove, and the limiting convex rib is clamped in the limiting groove.

As a preferred embodiment: the bottom of the knob is provided with a second clamping hook, the top of the gear is provided with a second clamping hole, and the second clamping hook is clamped in the second clamping hole.

As a preferred embodiment: a silica gel panel is laid on the upper surface of the base, and the knob is located outside the silica gel panel.

As a preferred embodiment: the elastic piece is a spring.

Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, can know by above-mentioned technical scheme:

the gear position gear is provided with the pressing rod and the elastic piece, the gear position seat is provided with the plurality of gear position grooves which are matched and impacted with the pressing rod, a user can drive the gear position gear to rotate for 360 degrees when rotating the knob, at the moment, the pressing rod sequentially impacts each gear position groove along with the rotation of the gear position gear, so that the user can obviously feel feedback caused by gear position change and is not easy to cause misoperation, the pressing rod and the gear position seat are both made of hard plastic or metal materials, and the feedback of the gear position change caused by the impact of the pressing rod on each gear position groove can be enhanced; simultaneously, the mounting hole for installing the depression bar sets up on gear's periphery side to the depression bar is in the activity and the mounting hole of stretching out and drawing back all around on the horizontal direction, makes the elastic component all concentrate on gear's axis to gear's reaction force, and the user is when rotating the knob, and gear's rotation is more stable and laborsaving.

To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is an assembled perspective view of a preferred embodiment of the present invention;

FIG. 2 is an exploded view of the preferred embodiment of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a cross-sectional view of the relative positions of the plunger and the gear seat during rotation of the preferred embodiment of the present invention;

FIG. 5 is a cross-sectional view of the relative positions of the lever and the shift seat when the rotation of the preferred embodiment of the present invention is completed;

FIG. 6 is a cross-sectional view of the photosensitive barrier and the photosensitive groove in the rotation process according to the preferred embodiment of the present invention;

FIG. 7 is a cross-sectional view of the photosensitive stopping sheet and the photosensitive groove in another state during the rotation process according to the preferred embodiment of the present invention;

fig. 8 is a cross-sectional view of a preferred embodiment of the invention.

The attached drawings indicate the following:

10. base 101, mounting groove

102. Limiting groove 11 and first clamping hook

12. Limiting column 13 and silica gel panel

20. Gear seat 201 and accommodating cavity

202. Gear groove 21, limit rib

30. PCBA 301, first card hole

302. Limiting hole 31 and photosensitive switch

311. Photosensitive groove 40 and gear

401. Second clip hole 402, mounting hole

41. Photosensitive catch 42, pressure lever

43. Elastic piece 50 and knob

51. A second hook.

Detailed Description

Referring to fig. 1 to 8, a specific structure of a preferred embodiment of the present invention is shown, which includes a base 10, a gear seat 20, a PCBA 30, a gear 40 and a knob 50.

The base 10 is provided with a mounting groove 101, the opening of the mounting groove is upward, the bottom surface of the mounting groove 101 is provided with a first clamping hook 11 for assisting other parts to be fixed, and the bottom surface of the mounting groove 101 is provided with a limiting column 12 for assisting other parts to be fixed. A silica gel panel 13 is laid on the upper surface of the base 10, the knob 50 is located outside the silica gel panel 13, and the silica gel panel 13 can provide protection for the upper surface of the base 10.

This gear seat 20 sets up in mounting groove 101 and base 10 encloses to form an accommodation chamber 201, and the interior circumference lateral wall of gear seat 20 is equipped with a plurality of gear grooves 202, and a plurality of gear grooves 202 are the circumference and arrange, and in this embodiment, this gear seat 20 is stereoplasm plastic or metal material. The outer peripheral side of the gear seat 20 is provided with a limiting convex rib 21, the inner peripheral side wall of the mounting groove 101 is provided with a limiting groove 102, the limiting convex rib 21 is clamped in the limiting groove 102, and the gear seat 20 is limited to move up and down in the limiting groove 102.

This PCBA 30 sets up in holding chamber 201, is equipped with sensitization switch 31 on this PCBA 30, is equipped with sensitization recess 311 on this sensitization switch 31. The middle of the PCBA 30 is provided with a first clamping hole 301 in a penetrating manner, and the first clamping hook 11 penetrates through the first clamping hole 301 from bottom to top to be clamped on the upper surface of the PCBA 30. The PCBA 30 has a limiting hole 302, and the limiting post 12 is inserted into the limiting hole 302, so that the PCBA 30 can be stably fixed in the accommodating cavity 201.

This gear position gear 40 rotationally sets up in holding chamber 201, and the top of this gear position gear 40 is equipped with second card hole 401, and the bottom of gear position gear 40 is provided with the sensitization separation blade 41 that is used for triggering sensitization switch 31 on PCBA 30, and this sensitization separation blade 41 is a plurality of, and a plurality of sensitization separation blades 41 equidistance and the lower surface of circumferential range at gear position gear 40, thereby this sensitization separation blade 41 business turn over sensitization recess 311 forms the gear position signal of knob 50 switch. The gear position gear 40 is provided with a plurality of mounting holes 402 on the peripheral side surface thereof, in this embodiment, the mounting holes 402 are four with equal circumferential intervals, the mounting holes 402 are arranged circumferentially, each mounting hole 402 is provided with a press rod 42 and an elastic member 43, in this embodiment, the press rod 42 is made of hard plastic or metal, the elastic member 43 is a spring, the press rod 42 and the elastic member 43 are horizontally arranged in the mounting hole 402, the elastic member 43 urges the press rod 42 to extend out of the mounting hole 402 and abut against the corresponding gear position groove 202, and the press rod 42 moves in the mounting hole 402 in a telescopic manner in the horizontal direction.

The knob 50 is connected to the top of the gear 40 and exposed out of the gear seat 20, a second hook 51 is disposed at the bottom of the knob 50, and the second hook 51 is engaged with the second engaging hole 401 of the gear 40, so that the knob 50 can drive the gear 40 to rotate.

Detailed description the working principle of the present embodiment is as follows:

firstly, a switch is connected with an external power supply in a conducting way, then a knob 50 is manually rotated, the knob 50 drives a gear position gear 40 to rotate together, meanwhile, a pressure rod 42 on the gear position gear 40 rotates together with the gear position gear 40, then, the pressure rod 42 horizontally stretches and retracts in a groove in the inner peripheral side face of a gear position seat 20, and along with the directional guidance of the outer end of the pressure rod 42 in a gear position groove 202, a user feels the change of strength when using, so that gear position hand feeling is generated, meanwhile, crisp and bright impact sound can be generated when the pressure rod 42 impacts the gear position groove 202 every time, double gear shifting feedback can be given to the user, and rotary adjustment gear shifting is realized; meanwhile, the gear 40 rotates to enable the photosensitive barrier 41 on the gear 40 to rotate, so that the photosensitive switch 31 on the PCBA 30 is triggered to shift the circuit.

The utility model discloses a design focus lies in:

the gear position gear is provided with the pressing rod and the elastic piece, the gear position seat is provided with the plurality of gear position grooves which are matched and impacted with the pressing rod, a user can drive the gear position gear to rotate for 360 degrees when rotating the knob, at the moment, the pressing rod sequentially impacts each gear position groove along with the rotation of the gear position gear, a highest point is arranged in the middle of each adjacent gear position groove, a lowest point is arranged between each two adjacent gear position grooves, and the pressing rod impacts the lowest point from the highest point in the moving process, so that the user can obviously feel feedback caused by gear position change and is not easy to cause misoperation; simultaneously, the mounting hole for installing the depression bar sets up on gear's periphery side to the depression bar is in the activity and the mounting hole of stretching out and drawing back all around on the horizontal direction, makes the elastic component all concentrate on gear's axis to gear's reaction force, and the user is when rotating the knob, and gear's rotation is more stable and laborsaving.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. The utility model provides an improvement type gear knob switch which characterized in that: comprises a base, a gear seat, a PCBA, a gear and a knob; the base is provided with a mounting groove; the gear seat is arranged in the mounting groove, the base is surrounded to form an accommodating cavity, the inner peripheral side wall of the gear seat is provided with a plurality of gear grooves, and the plurality of gear grooves are circumferentially arranged; the PCBA is arranged in the base mounting groove; the gear is rotatably arranged in the accommodating cavity, a photosensitive catch used for triggering a photosensitive switch on the PCBA is arranged at the bottom of the gear, a plurality of mounting holes are formed in the peripheral side face of the gear, the mounting holes are circumferentially arranged, a pressure rod and an elastic piece are arranged in each mounting hole, and the elastic pieces enable the pressure rods to extend out of the mounting holes and abut against the corresponding gear grooves; the knob is connected with the top of the gear and exposed out of the gear seat, and the knob drives the gear to rotate.

2. The improved range knob switch of claim 1 wherein: the bottom surface of mounting groove is equipped with first trip, run through in the middle of the PCBA and be equipped with first card hole, this first trip is from up passing first card hole block at PCBA's upper surface down.

3. The improved range knob switch of claim 1 wherein: the bottom surface of mounting groove is equipped with spacing post, runs through on this PCBA to have spacing hole, and this spacing post is worn to establish in spacing hole.

4. The improved range knob switch of claim 1 wherein: the gear seat is made of hard plastic or metal, and the pressure lever is made of hard plastic or metal.

5. The improved range knob switch of claim 1 wherein: the mounting holes are four and equally spaced on the circumference.

6. The improved range knob switch of claim 1 wherein: the sensitization separation blade is a plurality of, a plurality of sensitization separation blades equidistance and the circumferential arrangement at gear's lower surface.

7. The improved range knob switch of claim 1 wherein: the outer peripheral side of the gear seat is provided with a limiting convex rib, the inner peripheral side wall of the mounting groove is provided with a limiting groove, and the limiting convex rib is clamped in the limiting groove.

8. The improved range knob switch of claim 1 wherein: the bottom of the knob is provided with a second clamping hook, the top of the gear is provided with a second clamping hole, and the second clamping hook is clamped in the second clamping hole.

9. The improved range knob switch of claim 1 wherein: a silica gel panel is laid on the upper surface of the base, and the knob is located outside the silica gel panel.

10. The improved range knob switch of claim 1 wherein: the elastic piece is a spring.