CN220731380U

CN220731380U - Start switch

Info

Publication number: CN220731380U
Application number: CN202322455014.XU
Authority: CN
Inventors: 陈嘉存
Original assignee: Chongqing Beijiafu Electric Co ltd
Current assignee: Chongqing Beijiafu Electric Co ltd
Priority date: 2023-09-11
Filing date: 2023-09-11
Publication date: 2024-04-05
Anticipated expiration: 2033-09-11

Abstract

The utility model relates to a starting switch, which comprises a base, pins, a middle-end support column, a contact bridge, a button, a sliding sleeve, a return spring and a pressing iron sleeve, wherein the base is provided with a plurality of pins; the two pins are arranged at two sides of the bottom of the cavity of the base respectively, and the tops of the bent ends of the two pins are respectively provided with a composite silver point; the middle end support column is fixed at the middle position of the bottom of the cavity of the base; the contact bridge is arranged at the top of the middle-end pillar; the button is sleeved at the upper end of the cavity of the base, the interior of the button is hollow, and a mounting hole is formed in the middle of the bottom of the button; the middle part of the sliding sleeve is sleeved in the mounting hole of the button, the upper end of the sliding sleeve stretches into the cavity of the button, and the upper end of the inner hole of the sliding sleeve is also provided with a pressing block in sliding fit with the sliding sleeve; the reset spring is arranged in an inner hole of the sliding sleeve, and the upper end of the reset spring is fixedly connected with the bottom of the pressing block; the upper end of the pressing iron sleeve extends into the inner hole of the sliding sleeve and is sleeved outside the lower end of the reset spring. Compared with the prior art, the quick power-on starting device has the advantage that the quick power-on starting effect can be realized only by pressing the button downwards once.

Description

Start switch

Technical Field

The utility model relates to the technical field of switches, in particular to a starting switch.

Background

The starting switch is a switch which pushes the transmission mechanism by using a key to press or disconnect the movable contact and the static contact and realize circuit switching; the starting switch is a master control electrical appliance with simple structure and wide application; in an electric automatic control circuit, it is used to manually issue control signals to control contactors, relays, electromagnetic starters, etc., such as steering switches of automobiles.

The structure of the existing starting switch mainly comprises a base, pins, a reset spring, a conductive column and a pressing piece for driving the conductive column to slide, wherein the pressing piece slides to drive the conductive column to move, so that the on and off of a pair of pins are realized, and the reset spring is used for driving the pressing piece to be separated from the conductive column. The patent publication number CN217157980U discloses a starting switch, which comprises a base, a pair of pins, a conductive column and a pressing piece for driving the conductive column to slide, wherein the on and off of the pair of pins are realized, the pressing piece is provided with a pressing part for pressing the conductive column, and the starting switch further comprises a pressing piece reset spring for driving the pressing part to separate from the conductive column and a conductive column reset spring for resetting after the conductive column slides. When the switch is started, the pressing piece is required to be driven to slide to abut against the conductive column, and then the pressing piece is driven to drive the conductive column to slide, so that the conductive column can be driven to compress the conductive column reset spring. In view of this, we propose a start switch.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art, adapt to the actual needs, and provide a starting switch so as to solve the technical problem that the existing starting switch cannot realize the effect of quick power-on starting.

In order to achieve the purpose of the utility model, the technical scheme adopted by the utility model is as follows:

the starting switch comprises a base, pins, a middle-end support column, a contact bridge, a button, a sliding sleeve, a reset spring and a pressing iron sleeve; a cavity is formed in the middle of the base; the two pins are respectively arranged at two sides of the bottom of the cavity of the base, the upper ends of the two pins are of opposite bending structures, and the tops of the bending ends of the two pins are respectively provided with a composite silver point; the middle end support column is fixed at the middle position of the bottom of the cavity of the base; the contact bridge is arranged at the top of the middle-end support column; the button is sleeved at the upper end of the cavity of the base, a mounting hole is formed in the middle of the bottom of the button, and a cavity communicated with the mounting hole is formed in the button; the middle part of the sliding sleeve is sleeved in the mounting hole of the button, the upper end of the sliding sleeve stretches into the cavity of the button, and the upper end of the inner hole of the sliding sleeve is also provided with a pressing block in sliding fit with the sliding sleeve; the reset spring is arranged in an inner hole of the sliding sleeve, and the upper end of the reset spring is fixedly connected with the bottom of the pressing block; the upper end of the pressing iron sleeve extends into the inner hole of the sliding sleeve and is sleeved outside the lower end of the reset spring.

Compared with the prior art, the quick power-on starting effect can be realized by only pressing the button downwards once, the button can push the pressing block to slide downwards in the inner hole of the sliding sleeve, the reset spring is compressed to cause the pressing iron sleeve to move downwards, the pressing iron sleeve contacts with the contact bridge and pushes the contact point at the bottom of the contact bridge to contact with the composite silver point at the top of the pin, and the on/off of the two pins can be realized.

Preferably, the middle support column comprises vertical support rods connected together and limiting plates symmetrically connected to two sides of the upper end of the vertical support rods, and the two limiting plates form a V-shaped groove structure.

Preferably, the contact bridge is provided with a middle part and two end parts, the middle part of the contact bridge is sunken downwards to form a V-shaped groove structure, and the bottom of the V-shaped groove of the middle part of the contact bridge is contacted with the top of the vertical supporting rod; the two ends of the contact bridge extend towards the two ends respectively and are positioned above the two composite silver points respectively.

Preferably, the bottom of the pressing iron sleeve is of a conical cylinder structure, and the conical cylinder at the bottom of the pressing iron sleeve extends into the V-shaped groove at the middle part of the contact bridge. Through the arrangement, the pressed position can be selected to be left or right when the button is pressed, the left side of the pressing block is stressed more, so that the left side of the return spring is pressed more, the pressing iron sleeve is further biased to slide leftwards, the special structure of the contact bridge is adopted, the tip at the bottom of the middle part is contacted with the top end of the vertical supporting rod, the effect similar to a lever is generated, the contact bridge is enabled to do the action of downward movement of the left end part and upward tilting of the right end part due to the left side stress, the contact point at the bottom of the left end part of the contact bridge is further enabled to be contacted with the compound silver point at the top of the left pin, the on and off of the left pin are realized, and the same is realized, when the position of the button is pressed rightwards, the on and off of the right pin can be realized, and the effect of quick power-on starting can be realized only by pressing the button downwards.

Preferably, the sliding sleeve is made of an insulating material.

Compared with the prior art, the utility model has the beneficial effects that:

1. compared with the prior art, the quick power-on starting effect can be realized by only pressing the button downwards once, the button can push the pressing block to slide downwards in the inner hole of the sliding sleeve, the reset spring is compressed to cause the pressing iron sleeve to move downwards, the pressing iron sleeve contacts with the contact bridge and pushes the contact point at the bottom of the contact bridge to contact with the composite silver point at the top of the pin, and the on/off of the two pins can be realized.

2. According to the utility model, through the arrangement of the middle support column, the contact bridge and the pressing iron sleeve, the pressed position can be selected to be far left or far right when the button is pressed, the left side of the pressing block is stressed more, so that the left side of the return spring is pressed more, the pressing iron sleeve is further shifted left and slid, the special structure of the contact bridge is adopted, the tip at the bottom of the middle part is contacted with the top end of the vertical support rod, the effect similar to a lever is generated, the contact bridge is enabled to do the action of downward movement of the left end part and upward tilting of the right end part due to the left side stress, the contact point at the bottom of the left end part of the contact bridge is enabled to be contacted with the compound silver point at the top of the left pin, when the button is released, the return spring is not stressed to be elongated and pulled upwards, the bottom of the left end part of the contact bridge is not contacted with the compound silver point after the balance is restored, the connection and disconnection of the left pin can be realized, and disconnection of the right pin can be realized when the position of the button is pressed to be far right, and the effect of quick power on can be realized only by pressing the button.

Drawings

FIG. 1 is a schematic diagram of an embodiment of a start switch according to the present utility model;

FIG. 2 is a schematic side view of a start switch according to an embodiment of the present utility model;

fig. 3 is a schematic structural diagram of a contact bridge according to an embodiment of the present utility model.

The reference numerals in the figures illustrate:

1. a base; 2. pins; 21. compounding silver points; 3. a middle end support; 31. a vertical support bar; 32. a limiting plate; 4. a contact bridge; 5. a button; 6. a sliding sleeve; 61. pressing blocks; 7. a return spring; 8. and pressing the iron sleeve.

Detailed Description

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:

example 1

As shown in fig. 1 and 2, the present embodiment provides a start switch, which includes a base 1, a pin 2, a middle support 3, a contact bridge 4, a button 5, a sliding sleeve 6, a return spring 7, and a pressing iron sleeve 8.

As shown in fig. 1 and 2, and specifically referring to the orientation of fig. 1, a cavity is provided in the middle of the base 1 in this embodiment.

As shown in fig. 1 and fig. 2, and referring specifically to the azimuth of fig. 1, two pins 2 are provided in this embodiment, the two pins 2 are respectively disposed on two sides of the bottom of the cavity of the base 1, the upper ends of the two pins 2 are in opposite bending structures, and the tops of the bending ends of the two pins 2 are respectively provided with a composite silver point 21.

As shown in fig. 1 and 2, and referring specifically to the orientation of fig. 1, the middle support post 3 of this embodiment is fixed at the middle position of the bottom of the cavity of the base 1, specifically, the middle support post 3 includes a vertical support rod 31 connected together and limiting plates 32 symmetrically connected to two sides of the upper end of the vertical support rod 31, and the two limiting plates 32 form a V-shaped groove structure.

As shown in fig. 1-3, and referring specifically to the orientation of fig. 1, the contact bridge 4 of this embodiment is disposed on top of the middle support post 3, specifically, the contact bridge 4 has a middle portion and two end portions, the middle portion of the contact bridge 4 is recessed downward into a V-shaped groove structure, and the bottom of the V-shaped groove of the middle portion of the contact bridge 4 contacts with the top of the vertical support bar 31; the two ends of the contact bridge 4 extend towards the two ends respectively and are located above the two composite silver points 21 respectively.

As shown in fig. 1 and 2, and referring specifically to the azimuth of fig. 1, the button 5 of this embodiment is sleeved on the upper end of the cavity of the base 1, a mounting hole is formed in the middle of the bottom of the button 5, and a cavity communicated with the mounting hole is formed inside the button 5.

As shown in fig. 1 and 2, and referring specifically to the direction of fig. 1, in this embodiment, the middle part of the sliding sleeve 6 is sleeved in the mounting hole of the button 5, the upper end of the sliding sleeve 6 stretches into the cavity of the button 5, the upper end of the inner hole of the sliding sleeve 6 is further provided with a pressing block 61 in sliding fit with the sliding sleeve 6, and the sliding sleeve 6 and the pressing block 61 in this embodiment are made of insulating materials.

As shown in fig. 1 and 2, and referring specifically to the orientation of fig. 1, the return spring 7 of this embodiment is disposed in the inner hole of the sliding sleeve 6, and the upper end of the return spring 7 is fixedly connected with the bottom of the pressing block 61.

As shown in fig. 1 and 2, and referring specifically to the orientation of fig. 1, the bottom of the pressing iron sleeve 8 in this embodiment is a conical cylinder structure, and the conical cylinder at the bottom of the pressing iron sleeve 8 extends into the V-shaped groove at the middle part of the contact bridge 4, and the upper end of the pressing iron sleeve 8 extends into the inner hole of the sliding sleeve 6 and is sleeved outside the lower end of the return spring 7.

Working principle: the utility model provides a starting switch, when a button 5 is pressed, the pressed position is selected to be far left or far right, when the button 5 is pressed, the left side of a pressing block 61 is stressed more, so that the left side of a return spring 7 is pressed more, further, a pressing iron sleeve 8 is biased to slide leftwards, because of the special structure of a contact bridge 4, the tip at the bottom of the middle part is contacted with the top end of a vertical supporting rod 31, the effect similar to a lever is generated, and because of the left side stress, the contact bridge 4 performs the actions of downward movement at the left end part and upward tilting at the right end part, further, the contact point at the bottom of the left end part of the contact bridge 4 is contacted with a compound silver point 21 at the top of a pin 2 at the left side, when the button 5 is released, the return spring 7 is not stressed to be elongated again and pulls the pressing iron sleeve 8 to move upwards, and after the contact bridge 4 is restored to balance, the bottom of the left end part is not contacted with the compound silver point 21, and further, the connection and disconnection of a pin 2 at the left side can be realized; similarly, when the position of the push button 5 is far to the right, the on/off of the right pin 2 can be realized, and the quick power-on starting effect can be realized only by downwards pushing the push button 5.

Compared with the prior art, the utility model can realize the effect of quick power-on starting by only pressing the button downwards once, and can realize the on and off of the two pins.

The embodiments of the present utility model are disclosed as preferred embodiments, but not limited thereto, and those skilled in the art will readily appreciate from the foregoing description that various modifications and variations can be made without departing from the spirit of the present utility model.

Claims

1. Starting switch, its characterized in that: the device comprises a base (1), pins (2), a middle-end support column (3), a contact bridge (4), a button (5), a sliding sleeve (6), a return spring (7) and a pressing iron sleeve (8); a cavity is formed in the middle of the base (1); the two pins (2) are arranged, the two pins (2) are respectively arranged at two sides of the bottom of the cavity of the base (1), the upper ends of the two pins (2) are of opposite bending structures, and the tops of the bending ends of the two pins (2) are respectively provided with a composite silver point (21); the middle end support column (3) is fixed at the middle position of the bottom of the cavity of the base (1); the contact bridge (4) is arranged at the top of the middle-end support column (3); the button (5) is sleeved at the upper end of the cavity of the base (1), a mounting hole is formed in the middle of the bottom of the button (5), and a cavity communicated with the mounting hole is formed in the button (5); the middle part of the sliding sleeve (6) is sleeved in the mounting hole of the button (5), the upper end of the sliding sleeve (6) stretches into the cavity of the button (5), and the upper end of the inner hole of the sliding sleeve (6) is also provided with a pressing block (61) which is in sliding fit with the sliding block; the reset spring (7) is arranged in an inner hole of the sliding sleeve (6), and the upper end of the reset spring (7) is fixedly connected with the bottom of the pressing block (61); the upper end of the pressing iron sleeve (8) stretches into the inner hole of the sliding sleeve (6) and is sleeved outside the lower end of the reset spring (7).

2. The start switch of claim 1, wherein: the middle-end support column (3) comprises vertical support rods (31) connected together and limiting plates (32) symmetrically connected to two sides of the upper end of the vertical support rods (31), and the two limiting plates (32) form a V-shaped groove structure.

3. The start switch of claim 2, wherein: the contact bridge (4) is provided with a middle part and two end parts, the middle part of the contact bridge (4) is sunken downwards to form a V-shaped groove structure, and the bottom of the V-shaped groove at the middle part of the contact bridge (4) is contacted with the top of the vertical supporting rod (31); the two ends of the contact bridge (4) extend towards the two ends respectively and are positioned above the two composite silver points (21) respectively.

4. A start switch as set forth in claim 3, wherein: the bottom of the pressing iron sleeve (8) is of a conical cylinder structure, and a conical cylinder at the bottom of the pressing iron sleeve (8) stretches into a V-shaped groove at the middle part of the contact bridge (4).

5. The start switch of claim 1, wherein: the sliding sleeve (6) is made of insulating materials.