CN217114184U

CN217114184U - Connection structure and locking switch of movable contact spring and button

Info

Publication number: CN217114184U
Application number: CN202221071132.XU
Authority: CN
Inventors: 倪益明
Original assignee: Wenzhou Maohui Electronic Technology Co ltd
Current assignee: Wenzhou Maohui Electronic Technology Co ltd
Priority date: 2022-05-05
Filing date: 2022-05-05
Publication date: 2022-08-02
Anticipated expiration: 2032-05-05

Abstract

The utility model provides a connection structure of a movable contact spring and a button and a locking switch, which belong to the technical field of locking switches, the connection structure comprises a button and a movable contact spring, the movable contact spring is installed on the button through a first buckle connection, a first elastic piece is arranged between the movable contact spring and the button, the first elastic piece is used for enabling the movable contact spring to perform telescopic action by taking the button as a base point, and the telescopic direction is perpendicular to the button pressing direction; the utility model discloses a buckle is connected the movable contact spring with the button, and when the participating in portion of movable contact spring inserted the mounting hole, the bellied each limit homoenergetic of joint in the mounting hole carried out spacing cooperation with the joint mouth on the movable contact spring, avoided movable contact spring relative button to rock or swing by a wide margin, promoted the stability of being connected of movable contact spring and button to can reduce the amplitude of fluctuation of movable contact spring and static contact piece frictional contact in-process, promote the stability that the movable contact spring is connected with the static contact piece electricity.

Description

Connection structure and locking switch of movable contact spring and button

Technical Field

The utility model relates to a locking switch technical field, in particular to connection structure and locking switch of movable contact spring and button.

Background

Nowadays, the push button switch has been widely applied to various fields such as electronic appliances, instruments, electromechanical devices, broadcast communications, household appliances, medical instruments, automobiles, automation control, and the like, and people have increasingly high requirements for the push button switch.

At present common locking switch is as shown in fig. 5, the connection structure of movable contact spring and button is for being equipped with in movable contact spring both sides and participate in, be equipped with barb structure on participating in, be equipped with the slot on the button, the barb returns the hook to fix in inserting the slot is participated in two of movable contact spring, but this connection structure only relies on the barb to return the hook limit and slot border spacing, movable contact spring is relative to the button and rocks easily or the swing, it is not stable enough to connect between the two, long-time the use still has the risk that drops, and when movable contact moved with static contact frictional contact along with the button up and down, movable contact spring can vertically swing by a wide margin and lead to the electricity to connect unstably, influence the use of switch.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the shortcoming and not enough that prior art exists, and provide a connection structure and locking switch of movable contact spring and button.

The utility model discloses the technical scheme who takes as follows: a connecting structure of a movable contact spring and a button comprises the button and the movable contact spring, wherein the movable contact spring is connected and installed on the button through a first buckle, a first elastic piece is arranged between the movable contact spring and the button, the first elastic piece is used for enabling the movable contact spring to conduct telescopic action with the button as a base point, and the telescopic direction is perpendicular to the pressing direction of the button.

The first buckle is connected including setting up two mounting holes on the button lateral wall, two all be equipped with the joint arch on the both sides wall that the mounting hole is close to, the movable contact spring both sides are equipped with the pin portion, be equipped with in the pin portion with the joint mouth of the protruding adaptation of joint.

The clamping protrusion is a square protruding block, and a slope is arranged towards the insertion direction of the movable contact piece.

The end face of the movable contact spring, which is abutted against the first elastic piece, is provided with a limiting bulge, and the end face of the button, which is abutted against the first elastic piece, is provided with a limiting clamping groove.

The button side wall is provided with two parallel limit baffles, and the mounting holes are located between the two limit baffles.

The tail ends of the pin parts on two sides of the movable contact spring are provided with inclined planes facing the clamping protrusions.

The utility model provides a locking switch with connection structure of movable contact spring and button, its includes base, gland and the static contact piece of setting at the base inner wall, the gland cover is established just connect through the second buckle outside the base, the button is installed just install in the base the lateral wall of movable contact spring is towards the static contact piece, be equipped with electrically conductive arch on the movable contact spring, be equipped with the opening in the middle of the gland, button one end is stretched out the opening, the button lower part is equipped with holds the chamber, hold the chamber with be equipped with the second elastic component between the base, be equipped with self-locking mechanism between button and the base.

The self-locking mechanism is opposite to the static contact piece and comprises a self-locking groove arranged on the side wall of the button and a self-locking rod arranged in the base.

The inner wall of the base is provided with a groove for limiting the self-locking rod.

And a spring support for fixing the second elastic piece is arranged at the bottom of the inner wall of the base.

The utility model has the advantages as follows: the utility model discloses a buckle is connected the movable contact spring with the button, when the participating in portion of movable contact spring inserts the mounting hole, the bellied each limit homoenergetic of joint in the mounting hole carries out spacing cooperation with the joint mouth on the movable contact spring, avoid movable contact spring relative button to rock or swing by a wide margin, promote the stability of being connected of movable contact spring and button, and can reduce the amplitude of fluctuation in movable contact spring and the static contact piece frictional contact in-process, promote the stability that the movable contact spring is connected with the static contact piece electricity, the movable contact spring is connected with the button buckle and can't be dismantled by bare-handed after, and is firm reliable.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings obtained from these drawings still belong to the scope of the present invention without inventive laboriousness.

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

fig. 2 is a schematic view of a connection structure of a button and a movable contact piece in the present invention;

fig. 3 is a sectional view of the connection structure of the button and the movable contact piece in the present invention;

fig. 4 is an exploded view of the second embodiment of the present invention;

FIG. 5 is a schematic view of a connection structure of a button and a movable contact piece in the prior art;

in the figure, 1-button, 11-limit clamping groove, 12-limit baffle, 13-cavity, 14-self-locking groove, 2-movable contact, 21-limit protrusion, 22-inclined surface, 23-conductive protrusion, 3-first buckle connection, 31-mounting hole, 32-clamp protrusion, 33-pin part, 34-clamp interface, 35-slope, 4-first elastic part, 5-base, 51-self-locking rod, 52-groove, 53-spring support, 6-gland, 61-opening, 7-static contact, 8-second buckle connection, 9-second elastic part and 10-self-locking mechanism.

Detailed Description

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

It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are used for distinguishing two entities with the same name but different names or different parameters, and it is understood that "first" and "second" are only used for convenience of expression and should not be construed as limitations to the embodiments of the present invention, and the following embodiments do not describe the embodiments one by one.

The terms of direction and position in the present invention, such as "up", "down", "front", "back", "left", "right", "inside", "outside", "top", "bottom", "side", etc., refer to the direction and position of the attached drawings. Accordingly, the use of directional and positional terms is intended to illustrate and understand the present invention and is not intended to limit the scope of the invention.

As shown in fig. 1 to 4, for the present invention provides an embodiment:

a movable contact piece and button connecting structure comprises a button 1 and a movable contact piece 2, wherein the movable contact piece 2 is installed on the button 1 through a first buckle connection 3, a first elastic piece 4 is arranged between the movable contact piece 2 and the button 1, the first elastic piece 4 is used for enabling the movable contact piece 2 to perform telescopic action by taking the button 1 as a base point, and the telescopic direction is perpendicular to the pressing direction of the button 1; connect 3 to be connected movable contact spring 2 and button 1 through first buckle, avoid movable contact spring 2 to rock or swing by a wide margin for button 1, promote movable contact spring 2 and button 1's stability of being connected to can reduce the swing range of movable contact spring 2 and static contact 7 frictional contact in-process, promote the stability that movable contact spring 2 and static contact 7 electricity are connected, unable bare-handed dismantlement after movable contact spring 2 is connected with button 1 buckle simultaneously, it is firm reliable.

In this embodiment, the first snap connection 3 includes two mounting holes 31 arranged on the side walls of the button 1, each mounting hole is a rectangular through hole, two side walls of the two mounting holes 31 close to each mounting hole are both provided with a snap connection protrusion 32, two sides of the movable contact 2 are provided with pin parts 33, two sides of the movable contact 2 are bent to form the pin parts 33, and the pin parts 33 are provided with snap connection ports 34 adapted to the snap connection protrusions 32; the clamping protrusion 32 is a square convex block, a slope 35 is arranged facing the insertion direction of the movable contact piece 2, the slope 35 enables the pin part 33 of the movable contact piece 2 to be inserted into the mounting hole 31 along the slope 35, and the other surface is a plane and supports against the clamping interface 34 to prevent the movable contact piece 2 from being separated from the mounting hole 31; by adopting the connecting structure, each side of the clamping protrusion 32 in the mounting hole 31 can be in limit fit with the clamping interface 34 on the movable contact piece 2, so that the swinging and shaking amplitude of the movable contact piece 2 relative to the button 1 in each direction is reduced.

Furthermore, a limiting protrusion 21 is arranged on the end face of the movable contact piece 2 abutting against the first elastic piece 4, a limiting clamping groove 11 is arranged on the end face of the button 1 abutting against the first elastic piece 4, the first elastic piece 4 is fixed from two ends by the limiting protrusion 21 and the limiting clamping groove 11, and the expansion of the movable contact piece 2 is more stable, so that the switch is more smooth and stable in operation.

Further, two parallel limit baffles 12 are arranged on the side wall of the button 1, and the two mounting holes 31 are located between the two limit baffles 12; the parallel limit baffle 12 can longitudinally limit the movable contact piece 2, so that the movable contact piece is prevented from swinging greatly, and meanwhile, the movable contact piece is convenient to position during assembly, and the assembly efficiency is improved.

Furthermore, the tail ends of the pin parts 33 at both sides of the movable contact piece 2 are provided with inclined surfaces 22 facing the clamping protrusions 32, and the inclined surfaces 22 can enable the pin parts 33 of the movable contact piece 2 to be rapidly inserted into the mounting holes 31, so that the assembly efficiency is improved.

A locking switch with a connecting structure of the movable contact piece and the button comprises a base 5, a gland 6 and two static contact pieces 7 arranged on the inner wall of the base 5, wherein the two static contact pieces 7 are respectively provided with a pin inserting part extending out of the base 5, the gland 6 is sleeved outside the base 5 and is connected 8 through a second buckle, the second buckle connection 8 is a common buckle connection structure between plastic part shells, the button 1 for connecting the base 5 and the gland 6 is arranged in the base 5, the side wall of the movable contact piece 2 faces the static contact piece 7, the movable contact piece 2 is provided with two conductive protrusions 23 corresponding to the static contact pieces 7, the middle of the gland 6 is provided with an opening 61, one end of the button 1 extends out of the opening 61, a containing cavity 13 is arranged at the lower part of the button 1, a second elastic part 9 is arranged between the containing cavity 13 and the base 5, and a self-locking mechanism 10 is arranged between the button 1 and the base 5.

When the button 1 is pressed, the movable contact piece 2 moves up and down along with the button 1 relative to the static contact piece 7, a part of the enlarged area of the static contact piece 7 can be used as a contact surface to form electric connection with the conductive protrusion 23, and the switch can be designed to be powered on by pressing the button or being powered on by bouncing the button by combining the self-locking mechanism 10, so that the applicability is strong.

In this embodiment, the self-locking mechanism 10 is opposite to the static contact 7, and the self-locking mechanism 10 includes a self-locking groove 14 formed in a side wall of the button 1 and a self-locking lever 51 arranged in the base 5, where the self-locking groove 14 is an existing structure, and is not described in detail herein, for example, applied to a retractable chuck of a mobile phone.

Furthermore, the inner wall of the base 5 is provided with a groove 52 for limiting the self-locking rod 51, so that the self-locking rod 51 is prevented from swinging randomly to influence self-locking performance, and meanwhile, the assembly is facilitated.

Further, the bottom of the inner wall of the base 5 is provided with a spring support 53 for fixing the second elastic member 9, so that the button 1 can be smoothly pressed, and the operability and stability of the switch are improved.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.

Claims

1. A connecting structure of a movable contact piece and a button comprises the button (1) and the movable contact piece (2), and is characterized in that the movable contact piece (2) is installed on the button (1) through a first buckle connection (3), a first elastic piece (4) is arranged between the movable contact piece (2) and the button (1), and the first elastic piece (4) is used for enabling the movable contact piece (2) to perform telescopic action by taking the button (1) as a base point, and the telescopic direction is perpendicular to the pressing direction of the button (1).

2. The connecting structure of the movable contact spring and the button is characterized in that the first snap connection (3) comprises two mounting holes (31) arranged on the side walls of the button (1), clamping protrusions (32) are arranged on the two side walls close to the two mounting holes (31), pin parts (33) are arranged on the two sides of the movable contact spring (2), and clamping interfaces (34) matched with the clamping protrusions (32) are arranged on the pin parts (33).

3. A moving contact and push button connection according to claim 2, characterized in that the snap-in projection (32) is a square projection and is provided with a slope (35) facing the direction of insertion of the moving contact (2).

4. A moving contact and button connection structure as claimed in claim 2, wherein the end surface of the moving contact (2) against the first elastic member (4) is provided with a limiting protrusion (21), and the end surface of the button (1) against the first elastic member (4) is provided with a limiting slot (11).

5. A moving contact and button connection as claimed in claim 2, characterized in that the button (1) is provided with two parallel limit stops (12) on its side walls, and the two mounting holes (31) are located between the two limit stops (12).

6. A moving contact and button connecting structure as claimed in claim 2, characterized in that the ends of the pin portions (33) on both sides of the moving contact (2) are provided with slopes (22) facing the catching protrusion (32).

7. A locking switch provided with a connecting structure of a movable contact piece and a push button according to any one of claims 1 to 6, it is characterized by comprising a base (5), a gland (6) and a static contact piece (7) arranged on the inner wall of the base (5), the gland (6) is sleeved outside the base (5) and is connected with the base (8) through a second buckle, the button (1) is arranged in the base (5) and the side wall of the movable contact piece (2) faces the static contact piece (7), the movable contact piece (2) is provided with a conductive bulge (23), the middle of the gland (6) is provided with an opening (61), one end of the button (1) extends out of the opening (61), a cavity (13) is arranged at the lower part of the button (1), a second elastic piece (9) is arranged between the cavity (13) and the base (5), and a self-locking mechanism (10) is arranged between the button (1) and the base (5).

8. A locking switch according to claim 7, characterized in that the self-locking mechanism (10) is opposite to the static contact (7), and the self-locking mechanism (10) comprises a self-locking groove (14) arranged on the side wall of the button (1) and a self-locking rod (51) arranged in the base (5).

9. A locking switch according to claim 8, characterized in that the inner wall of the base (5) is provided with a groove (52) for limiting the self-locking lever (51).

10. A locking switch according to claim 8, characterized in that the base (5) is provided at the bottom of its inner wall with a spring support (53) for fixing the second resilient member (9).