CN218215110U

CN218215110U - Locking type key switch for commercial vehicle

Info

Publication number: CN218215110U
Application number: CN202222854426.6U
Authority: CN
Inventors: 张艳
Original assignee: Zhongsheng Automobile Electrical Appliances & Technologies Co ltd
Current assignee: Zhongsheng Automobile Electrical Appliances & Technologies Co ltd
Priority date: 2022-10-28
Filing date: 2022-10-28
Publication date: 2023-01-03
Anticipated expiration: 2032-10-28

Abstract

The utility model discloses a locking formula key switch for on commercial car, including button assembly, shell, locking mechanism, return ware and base, the end of connecting electricity of button assembly can slide in the shell, and the end of connecting electricity of button assembly cooperates with the shell locking through locking mechanism, and the return ware sets up on the shell, and the base is connected with the shell; the locking mechanism has the structure that: the elastic sliding needle is fixed on the power connection end of the key assembly, the upper guide block, the locking block and the lower guide block are sequentially arranged in the shell from top to bottom, the hook part of the elastic sliding needle is in a compressed state through the inclined surface of the upper guide block, a locking groove is formed between the locking block and the lower guide block, and the hook part of the elastic sliding needle enters/separates from the locking groove through self resilience force; the utility model discloses a resilience force of elasticity slip needle realizes button assembly and the automatic locking of shell or automatic unblock, makes the operator judge rapidly whether the switch is in the open mode.

Description

Locking type key switch for commercial vehicle

Technical Field

The utility model belongs to button switch field for the commercial car, especially, a locking formula button switch for on commercial car.

Background

At present, most of the conventional key switches are of an automatic reset type, namely, after external force is relieved, keys on the key switches are simultaneously restored to the initial positions before being pressed; however, for a switch with special requirements, such as a hazard alarm switch, in order to determine the operating state of the key switch more intuitively, it is required that the key on the key switch can realize a locking function, that is, after the key is pressed, the switch operates, and when the external force is removed, the key can continuously maintain the pressed position state. The key switch with the locking function can help a driver to judge whether the switch is in an open state intuitively and quickly.

Disclosure of Invention

The utility model provides a locking formula key switch for on commercial car, the purpose is in order to solve the problem that current product exists the button and can not the locking.

In order to solve the technical problem, the technical scheme of the utility model is that: a locking formula button switch for on commercial car which characterized in that: the power connection end of the key assembly can slide in the shell, the power connection end of the key assembly is matched with the shell in a locking mode through the locking mechanism, the return device is arranged on the shell and used for returning the key assembly, the base is connected with the shell and used for connecting a lead; the structure of the locking mechanism is as follows: including the smooth needle of elasticity, go up guide block, locking piece and guide block down, the smooth needle of elasticity is fixed in the electricity of button assembly and connects to serve, goes up guide block, locking piece and guide block down and sets gradually from last to down in the shell, and the couple portion of the smooth needle of elasticity is in compression state through the inclined plane of last guide block, is formed with the locking groove between locking piece and the lower guide block, and the couple portion of the smooth needle of elasticity gets into/breaks away from the locking groove through the resilience force of self.

The technical scheme is further limited, and the key assembly has the structure that: the shading device comprises a key, a circuit board, a shading sliding block, a sliding block and an elastic sheet, wherein the key is connected with the outer end of the shading sliding block, the circuit board is fixed in the outer end of the shading sliding block, the sliding block is connected with the inner end of the shading sliding block, the elastic sheet is fixed on the back face of the sliding block, and the circuit board is connected with a power supply contact on a base through the elastic sheet.

The technical scheme is further limited, the key is connected with the outer end of the shading sliding block through a buckle, and the sliding block is connected with the inner end of the shading sliding block through a buckle.

Further inject above-mentioned technical scheme, the slip needle of elasticity is the torsional spring form, is equipped with the torsional spring draw-in groove on the front of slider, and the center department of torsional spring draw-in groove is equipped with centering boss, and centering boss is connected with the centre bore cooperation of the slip needle of elasticity, and the torque arm card of the slip needle of elasticity one side is in the slider, and the couple portion on the slip needle opposite side torque arm of elasticity supports to lean on the inclined plane of last guide block, and the slip needle of elasticity is in compression state through last guide block.

Further inject above-mentioned technical scheme, the return ware is return spring, is equipped with the spacing chamber of return spring on the outer end of shading slider, and return spring's both ends support respectively to lean on button and shading slider.

The technical scheme is further limited, and the base is connected with the shell through a buckle.

Has the advantages that: the utility model discloses a resilience force of elasticity slip needle realizes button assembly and the automatic locking of shell or automatic unblock, has simple structure, low in production cost, convenient to use's advantage to can let the operator judge rapidly whether the switch is in the open mode.

Drawings

Fig. 1 is an explosion diagram of the present invention.

Fig. 2 is an exploded view of the middle key assembly of the present invention.

Fig. 3 is an assembly view of the middle button and the light-shielding slider of the present invention.

Fig. 4 is an assembly view of the middle light-shielding slider and the slider of the present invention.

Fig. 5 is a structural view of the locking mechanism of the present invention.

Fig. 6 is an assembly view of the elastic sliding needle of the present invention.

Fig. 7 is an initial state diagram of the locking mechanism of the present invention.

Fig. 8 is a diagram of the locking mechanism in the locking state of the present invention.

Detailed Description

As shown in fig. 1, a locking type key switch for a commercial vehicle comprises a key assembly 1, a shell 2, a locking mechanism 3, a return device 4 and a base 5, wherein the power connection end of the key assembly can slide in the shell, the power connection end of the key assembly is in locking fit with the shell through the locking mechanism, the return device is arranged on the shell and is used for returning the key assembly, the base is connected with the shell, and the base is used for connecting a lead;

as shown in fig. 2, 3 and 4, the key assembly 1 has the following structure: the light shading device comprises a key 11, a circuit board 12, a light shading sliding block 13, a sliding block 14 and an elastic sheet 15, wherein the key is connected with the outer end of the light shading sliding block, the circuit board is fixed in the outer end of the light shading sliding block, the sliding block is connected with the inner end of the light shading sliding block, the elastic sheet is fixed on the back surface of the sliding block, and the circuit board is connected with a power supply contact on a base through the elastic sheet; the advantages of this structure are: the split structure is adopted, so that the manufacturing is convenient, the later maintenance is facilitated, and the maintenance cost is reduced;

the key 11 is connected with the outer end of the shading slide block 13 through a buckle, and the slide block 14 is connected with the inner end of the shading slide block 13 through a buckle; the buckle connection mode is favorable for reducing the production cost and later maintenance;

as shown in fig. 5, the locking mechanism 3 has a structure in which: the elastic sliding needle is fixed on the power connection end of the key assembly, the upper guide block, the locking block and the lower guide block are sequentially arranged in the shell at intervals from top to bottom, the cross sections of the locking block and the lower guide block are in an inverted V shape, the hook part of the elastic sliding needle is in a compressed state through the inclined plane of the upper guide block, a locking groove is formed between the locking block and the lower guide block, and the hook part of the elastic sliding needle enters/separates from the locking groove through the resilience force of the hook part;

as shown in fig. 6, the elastic sliding pin 31 is in a torsion spring shape, a torsion spring slot 141 is arranged on the front surface of the slider, a centering boss 142 is arranged at the center of the torsion spring slot, the centering boss is connected with the center hole of the elastic sliding pin in a matching manner, a torsion arm at one side of the elastic sliding pin is clamped in the slider, a hook part on the torsion arm at the other side of the elastic sliding pin abuts against the inclined surface of the upper guide block, and the elastic sliding pin is in a compression state through the upper guide block; the torsional spring type elastic sliding needle is adopted, so that the service life is prolonged, the stability is improved, and the problem of easy damage is solved; the clamping mode is adopted for fixing, so that the production cost is reduced, the assembly efficiency is improved, and the later maintenance is facilitated;

as shown in fig. 1 and 2, the return device 4 is a return spring, a return spring limiting cavity is arranged at the outer end of the light shielding slider, and two ends of the return spring are respectively abutted against the key and the light shielding slider; the return spring is beneficial to reducing the production cost and later maintenance;

the base is connected with the shell through a buckle.

The utility model discloses the theory of operation:

1) When the switch is in an OFF gear, the elastic sliding needle is at a specific position in the shell, as shown in figure 7; at the moment, the key is at the initial position, the switch is in a non-connected state, and the torsion spring-shaped elastic sliding needle is in a compressed state; 2) When the switch is in an ON gear, the elastic sliding needle is at a specific position in the shell, as shown in figure 8; the movement process is as follows: when the key is pressed, the key pushes an elastic sliding needle on the sliding block to move downwards, and a hook part on the elastic sliding needle is guided into an inclined plane on the left side of the locking block through an inclined plane of the upper guide block, so that the constraint of the upper guide block on the hook part is relieved; the elastic sliding needle continues to move downwards until the hook part of the elastic sliding needle is separated from the locking block, and the hook part of the elastic sliding needle enters from the left end of the locking groove 5 through self resilience force after separation; the key is loosened, under the action of a return spring, the key drives the elastic sliding needle to move upwards, so that the hook part of the elastic sliding needle is in limit fit with the locking block, namely the hook part is positioned in the V-shaped cavity of the locking block, and locking is realized; meanwhile, the elastic sheet on the sliding block is contacted with the power supply contact on the base, and the circuit board works. Pressing the key again, and popping the hook part of the elastic sliding needle out of the right end of the locking groove through self resilience force; the key is loosened, the slide block drives the elastic sliding needle to move upwards under the action of the return spring, and the hook part of the elastic sliding needle returns to the inclined plane of the upper guide block through the upper guide block and the guide groove 6 formed at the right side of the locking block, so that unlocking is realized; meanwhile, the elastic sheet on the sliding block is disconnected with the power supply contact on the base.

Claims

1. A locking formula button switch for on commercial car which characterized in that: the power connection end of the key assembly can slide in the shell, the power connection end of the key assembly is matched with the shell in a locking mode through the locking mechanism, the return device is arranged on the shell and used for returning the key assembly, the base is connected with the shell and used for connecting a lead; the structure of the locking mechanism is as follows: including the smooth needle of elasticity, go up guide block, locking piece and guide block down, the smooth needle of elasticity is fixed in the electricity of button assembly and connects to serve, goes up guide block, locking piece and guide block down and sets gradually from last to down in the shell, and the couple portion of the smooth needle of elasticity is in compression state through the inclined plane of last guide block, is formed with the locking groove between locking piece and the lower guide block, and the couple portion of the smooth needle of elasticity gets into/breaks away from the locking groove through the resilience force of self.

2. A latch type push switch for a commercial vehicle according to claim 1, wherein: the structure of the key assembly is as follows: the shading device comprises a key, a circuit board, a shading sliding block, a sliding block and an elastic sheet, wherein the key is connected with the outer end of the shading sliding block, the circuit board is fixed in the outer end of the shading sliding block, the sliding block is connected with the inner end of the shading sliding block, the elastic sheet is fixed on the back face of the sliding block, and the circuit board is connected with a power supply contact on a base through the elastic sheet.

3. A latch type push switch for a commercial vehicle according to claim 2, wherein: the button is connected with the outer end of the shading sliding block through a buckle, and the sliding block is connected with the inner end of the shading sliding block through a buckle.

4. The hold-down type key switch for a commercial vehicle according to claim 1 or 2, wherein: the smooth needle of elasticity is the torsional spring form, is equipped with the torsional spring draw-in groove on the front of slider, and the center department of torsional spring draw-in groove is equipped with centering boss, and centering boss is connected with the centre bore cooperation of the smooth needle of elasticity, and the torque arm card of the smooth needle of elasticity one side is in the slider, and the couple portion on the smooth needle opposite side torque arm of elasticity supports to lean on the inclined plane of last guide block, and the smooth needle of elasticity is in compression state through last guide block.

5. The latch-type key switch for a commercial vehicle according to claim 4, wherein: the return device is a return spring, a return spring limiting cavity is arranged at the outer end of the shading sliding block, and two ends of the return spring are respectively abutted against the key and the shading sliding block.

6. The latch type key switch for a commercial vehicle according to claim 1, 2 or 5, wherein: the base is connected with the shell through a buckle.