CN211879272U

CN211879272U - Ejector rod switch

Info

Publication number: CN211879272U
Application number: CN202020787949.1U
Authority: CN
Inventors: 薛智文
Original assignee: Yueqing Niufulai Electronics Co ltd
Current assignee: Yueqing Niufulai Electronics Co ltd
Priority date: 2020-05-13
Filing date: 2020-05-13
Publication date: 2020-11-06
Anticipated expiration: 2030-05-13

Abstract

The utility model discloses a push rod switch, including switch seat and switch actuating mechanism, switch actuating mechanism includes the ejector pin, first elastic component, micro-gap switch and locating part, the middle part of switch seat is equipped with the ejector pin spout, the ejector pin is arranged in the ejector pin spout, and stretch out the switch seat backward, the ejector pin can slide in the ejector pin spout, the micro-gap switch card is located in the switch seat, and be located the lower extreme of ejector pin, micro-gap switch is connected with external circuit, the one end of first elastic component is used for with the bottom of ejector pin, the other end is used for with the swing arm that control micro-gap switch realized circuit connection or cut off mutually, the locating part is connected on the ejector pin and is used the ejector pin as central symmetry setting, the tip that the locating part is located the ejector pin both ends is used for preventing that the ejector pin from deviating from the switch. After the technical scheme is adopted, the purpose of controlling the circuit is achieved through the micro switch, the number of parts is simplified, the structure is simple, the cost is low, the installation is convenient, the production efficiency is effectively improved, and the service life is longer.

Description

Ejector rod switch

Technical Field

The utility model belongs to the technical field of the switch, specifically speaking is a push rod switch.

Background

The push rod switch is a simple electronic component capable of switching a circuit loop, can automatically switch a circuit when being subjected to external pressure, has a simple structure, is quick in response and low in manufacturing cost, and is widely applied to various electric appliances.

The utility model with application number 201821937981.2 discloses a novel ejector rod switch, which comprises a switch seat, a static contact plate, a movable contact plate, an ejector rod and a spring, wherein the static contact plate, the movable contact plate, the ejector rod and the spring are arranged in the switch seat, the ejector rod is arranged in the ejector rod chute, the ejector rod can slide in the ejector rod chute, the front part of the ejector rod is provided with a stroke groove, the movable contact plate passes through the stroke groove and can move in the stroke groove along the length direction of the ejector rod, the spring is arranged in the ejector rod chute and is positioned between the front end of the ejector rod and the end wall of the ejector rod chute, the static contact plate comprises a first static contact plate, a second static contact plate and a third static contact plate, one end of the movable contact plate is riveted and fixed on the first static contact plate, the other end of the movable contact plate is lapped on the second static contact plate or the third static contact plate, the movable contact piece is connected with the first static contact piece or the third static contact piece in a sliding mode, and the movable contact piece is connected with the second static contact piece or the third static contact piece in a sliding mode.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an installation is simple, production efficiency is high, long service life, and with low costs ejector pin switch.

The utility model provides a technical scheme that its technical problem adopted is, a ejector pin switch, including switch seat and switch actuating mechanism, its characterized in that: the switch actuating mechanism comprises an ejector rod, a first elastic part, a microswitch and a limiting part, wherein an ejector rod sliding groove is formed in the middle of the switch base, the ejector rod is located in the ejector rod sliding groove and extends backwards out of the switch base, the ejector rod can slide in the ejector rod sliding groove, the microswitch is clamped in the switch base and located at the lower end of the ejector rod, the microswitch is connected with an external circuit, one end of the first elastic part acts on the bottom of the ejector rod, the other end of the first elastic part controls the microswitch to achieve circuit connection or circuit disconnection of a movable arm, the limiting part is connected to the ejector rod and arranged in a mode that the ejector rod is in central symmetry, the limiting part is located at the two ends of the ejector rod and acts on the inner wall of the switch base, and the limiting part is.

Furthermore, the switch actuating mechanism further comprises second elastic pieces symmetrically arranged on two sides of the ejector rod, and the second elastic pieces are acted with corresponding end parts of the limiting pieces.

Furthermore, the end of the limiting part is provided with a first limiting part extending along the horizontal direction, and the inner wall of the switch base is provided with a second limiting part matched with the first limiting part correspondingly.

Furthermore, the rear end of the ejector rod extends out of the switch seat part and is provided with a bend to form a third limiting part, a fourth limiting part is arranged on the outer surface of the switch seat, and the third limiting part is matched with the fourth limiting part.

Furthermore, the outer surface of the ejector rod is provided with a positioning strip along the length direction, and a positioning groove matched with the positioning strip is arranged in the ejector rod sliding groove of the switch seat.

Further, the switch seat is divided into an upper installation part and a lower installation part, and installation bulges and installation grooves are arranged on opposite surfaces of the installation parts.

Furthermore, the wall surface of the installation part is provided with a clamping protrusion for clamping the microswitch in the switch seat.

Further, all be provided with a plurality of fretwork portions on the installation department.

The utility model has the advantages that: the purpose of achieving a control circuit through selecting the existing microswitch is achieved, the number of parts is simplified, the structure is simple, the cost is low, the installation is more convenient, the production efficiency is effectively improved, and the service life is longer compared with that of a push rod switch matched with a movable contact piece and a static contact piece.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the switch base of the present invention;

FIG. 3 is a schematic structural view of the ejector rod of the present invention;

fig. 4 is a schematic structural view of the switch seat mounting portion of the present invention.

In the figure: 1-a switch base, 2-a mandril, 3-a first elastic part, 4-a microswitch, 5-a limiting part, 6-a mandril chute, 7-a second elastic part, 8-a first limiting part, 9-a second limiting part, 10-a third limiting part, 11-a fourth limiting part, 12-a positioning strip, 13-a positioning groove, 14-an installation part, 15-an installation bulge, 16-an installation groove, 17-a clamping bulge and 18-a hollow part.

Detailed Description

In order to more clearly illustrate embodiments and/or technical solutions in the prior art, embodiments of the present invention will be described below with reference to the accompanying drawings. It is obvious that the drawings in the following description are only examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be obtained from these drawings without inventive effort. The term "orientation" merely means a relative positional relationship between the respective members, and does not mean an absolute positional relationship.

Referring to fig. 1, 2, 3, 4, a push rod switch comprises a switch base 1 and a switch actuating mechanism, the switch actuating mechanism includes a push rod 2, a first elastic member 3, a micro switch 4 and a limiting member 5, a push rod sliding slot 6 is provided in the middle of the switch base 1, the push rod 2 is located in the push rod sliding slot 6 and extends backward out of the switch base 1, the push rod 2 can slide in the push rod sliding slot 6, the micro switch 4 is clamped in the switch base 1 and located at the lower end of the push rod 2, the micro switch 4 is connected with an external circuit, one end of the first elastic member 3 is connected with the bottom of the push rod 2, the other end is connected with a movable arm for controlling the micro switch 4 to realize circuit connection or disconnection, the limiting member 5 is connected to the push rod 2 and symmetrically arranged with the push rod 2 as the center, the end portions of the limiting member 5 located at the two ends of the push rod 2 are connected with the inner wall of the switch base 1, the, microswitch 4 is prior art, no longer detailed, during the use, ejector pin 2 moves forward because of the atress, makes first elastic component 3 atress, and through the effect with the swing arm that control microswitch 4 realized circuit connection or cut off, thereby the switching of real ejector pin switch realization circuit, spare part is less, greatly reduced the cost, and simple structure, the installation of being convenient for, improved the installation effectiveness, and for the cooperation of movable contact static contact piece, adopt microswitch 4 as control element, the life of ejector pin switch is higher.

In this embodiment, the switch actuating mechanism further includes second elastic members 7 symmetrically disposed on two sides of the push rod 2, the second elastic members 7 act on corresponding end portions of the limiting members 5, wherein the number of the second elastic members 7 is two, so that the reset action is more stable after the push rod 2 is stressed.

In this embodiment, the tip of locating part 5 all is equipped with and extends the first spacing portion 8 that forms along the horizontal direction, is equipped with on the inner wall of switch seat 1 can with the spacing portion 9 of the corresponding spacing portion 8 matched with of first spacing portion second, through the cooperation of the spacing portion 9 of first spacing portion 8 and second, prevents that ejector pin 2 from deviating from switch seat 1 after reseing, and the structure is more stable.

In this embodiment, 2 rear ends of ejector pins 2 stretch out switch block 1 part and are provided with one and buckle to form spacing portion 10 of third, be equipped with spacing portion 11 of fourth on the switch block 1 surface, spacing portion 10 of third cooperatees with spacing portion 11 of fourth, more specifically say that the fitting surface of spacing portion 11 of fourth sets to the inclined plane, can improve the laminating degree like this, can effectively restrict 2 forward displacements of ejector pin, prevent that 2 pressedly of ejector pin from taking place to destroy to 1 inner structure of switch block when too big.

In this embodiment, be equipped with on the surface of ejector pin 2 along length direction's location strip 12, be equipped with in the ejector pin spout 6 of switch seat 1 with location strip 12 matched with constant head tank 13, location strip 12 and constant head tank 13 can prevent that ejector pin 2 from rotating, improve the stability of using.

In this embodiment, the switch base 1 is divided into two upper and lower installation portions 14, and the opposite surfaces of the installation portions 14 are provided with installation protrusions 15 and installation grooves 16 for positioning and clamping the two installation portions 14, so that the installation stability of the two installation portions 14 can be increased.

In this embodiment, the wall surface of the mounting portion 14 is provided with a clamping protrusion 17 for clamping the microswitch 4 in the switch base 1, so that the mounting structure of the microswitch 4 is simple, and the mounting efficiency is further improved.

In this embodiment, the installation portions 15 are all provided with a plurality of hollow portions 18, and the material required for molding the switch base 1 is further reduced by the arrangement of the hollow portions 18, so that the cost is reduced.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. The utility model provides a push rod switch, includes switch seat (1) and switch actuating mechanism, its characterized in that: the switch actuating mechanism comprises an ejector rod (2), a first elastic part (3), a microswitch (4) and a limiting part (5), wherein an ejector rod sliding groove (6) is arranged in the middle of the switch base (1), the ejector rod (2) is positioned in the ejector rod sliding groove (6) and extends backwards out of the switch base (1), the ejector rod (2) can slide in the ejector rod sliding groove (6), the microswitch (4) is clamped in the switch base (1) and positioned at the lower end of the ejector rod (2), the microswitch (4) is connected with an external circuit, one end of the first elastic part (3) is acted with the bottom of the ejector rod (2), the other end of the first elastic part is acted with a movable arm for controlling the microswitch (4) to realize circuit connection or disconnection, the limiting part (5) is connected onto the ejector rod (2) and is arranged symmetrically by taking the ejector rod (2) as a center, the locating part (5) is located the tip at ejector pin (2) both ends with the inner wall of switch seat (1) is used for preventing ejector pin (2) from deviating from switch seat (1).

2. A push rod switch according to claim 1, wherein: the switch actuating mechanism further comprises second elastic pieces (7) symmetrically arranged on two sides of the ejector rod (2), and the second elastic pieces (7) act on corresponding ends of the limiting pieces (5).

3. A push rod switch according to claim 1, wherein: the tip of locating part (5) all is equipped with and extends first spacing portion (8) that form along the horizontal direction, be equipped with on the inner wall of switch seat (1) can with corresponding spacing portion of first spacing portion (8) matched with second (9).

4. A push rod switch according to claim 1, wherein: the rear end of the ejector rod (2) extends out of the switch base (1) and is provided with a bend to form a third limiting portion (10), a fourth limiting portion (11) is arranged on the outer surface of the switch base (1), and the third limiting portion (10) is matched with the fourth limiting portion (11).

5. A push rod switch according to claim 1, wherein: the outer surface of the ejector rod (2) is provided with a positioning strip (12) along the length direction, and a positioning groove (13) matched with the positioning strip (12) is arranged in the ejector rod sliding groove (6) of the switch base (1).

6. A push rod switch according to claim 1, wherein: switch seat (1) divide into two upper and lower installation department (14), the opposite face of installation department (14) is provided with installation arch (15) and mounting groove (16).

7. A push rod switch according to claim 6, wherein: be equipped with on the wall of installation department (14) and be used for with micro-gap switch (4) card is located joint arch (17) in switch seat (1).

8. A push rod switch according to claim 6, wherein: the installation part (14) is provided with a plurality of hollow parts (18).