CN211980449U

CN211980449U - External wiring device of microswitch of air door actuator

Info

Publication number: CN211980449U
Application number: CN202020713719.0U
Authority: CN
Inventors: 廖柏森
Original assignee: Jinzihao Fujian Combustion Equipment Co ltd
Current assignee: Jinzihao Fujian Combustion Equipment Co ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2020-11-20
Anticipated expiration: 2030-04-30

Abstract

The utility model discloses an external wiring device of a microswitch of an air door actuator, which comprises a PCB (printed circuit board), wherein the microswitch is arranged on one side surface of the PCB and is abutted with a cam group of the air door actuator; the socket connecting seats matched with the micro-switches are welded on the other opposite side faces of one side faces of the two groups of PCB boards, the socket connecting seats can be detachably clamped with sockets, clamping grooves are symmetrically formed in the side walls of the socket connecting seats, and the socket side walls are fixedly connected with elastic clamping seats matched with the clamping grooves; and the socket connecting seat are mutually clamped and matched through the clamping groove and the elastic clamping seat, so that the socket can be conveniently detached, the sockets of different models can be installed according to different connector lug models, the damaged socket is conveniently replaced, and the utilization rate is improved.

Description

External wiring device of microswitch of air door actuator

Technical Field

The utility model relates to an air door executor technical field specifically is an air door executor's micro-gap switch outside termination.

Background

In the combustor, a damper actuator is the main actuator of the control system, receives control information from a program controller, converts the signal into an output for driving the damper, and is mainly used for controlling the proportion of fuel and air. When the burner works, the program controller controls the starting of the air door, the cam group in the actuator rotates a certain angle, and the transmission part of the microswitch responds to transmit a transmission signal to the return stroke controller to continue the next action.

The utility model discloses among the inner structure of used air door executor, there are 7 micro-gap switches, and each micro-gap switch has 3 pins, and the binding post of every pin comprises screw and lug, and outside wiring is through a copper conductor, winds on binding post, then screws up the screw. In the process of assembly and maintenance, each copper wire can be fixed on the wiring terminal only by screwing a screw, so that the requirement on the machining precision is high, and the wiring stability of the microswitch is reduced; for this patent application document with patent application number CN201220014522.3, through designing 2 PCB boards, lead out the pin of micro-gap switch to the PCB board with the wire, the independent socket of outside welding, the wiring only needs to inject the plug that corresponds into the socket, just can realize the connection, this greatly increased the stability of wiring, reduced the required precision of processing and the degree of difficulty of equipment. However, the problem still exists in this document, such as soldering between the winning sockets on the PCB board, which results in inconvenient removal and replacement of the sockets, and thus in low utilization of the sockets and damage to the sockets. Based on this, the utility model designs an air door executor's micro-gap switch outside termination to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an air door executor's micro-gap switch outside termination to solve above-mentioned technical problem.

In order to achieve the above object, the utility model provides a following technical scheme: a microswitch external wiring device of an air door actuator comprises a PCB, wherein a microswitch is arranged on one side surface of the PCB and is abutted with a cam group of the air door actuator; the other side face opposite to one side face of the two groups of PCB boards is welded with a socket connecting seat which is matched with the micro switch, and the socket connecting seat is detachably clamped with a socket;

the socket is characterized in that clamping grooves are symmetrically formed in the side wall of the socket connecting seat, and elastic clamping seats matched with the clamping grooves are fixedly connected to the side wall of the socket.

Preferably, four groups of clamping grooves are arranged in the number of the clamping grooves, and the four groups of clamping grooves are respectively positioned on four side walls of the socket connecting seat.

Preferably, a first through hole is formed in the bottom of the inner cavity of the socket connecting seat, a detachable rear shell is arranged at the bottom of the socket, a second through hole is formed in the rear shell, and the second through hole and the first through hole are coaxially arranged.

Preferably, two groups of positioning columns are fixedly connected to the bottom of the inner cavity of the socket connecting seat, and positioning holes matched with the positioning columns are formed in the bottom of the socket.

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

the utility model has the advantages that the socket connecting seat, the socket, the clamping groove and the elastic clamping seat are arranged, so that the external circuit can be conveniently mounted and dismounted through the design of the socket, the stability of the wiring is greatly increased, and the precision requirement of the processing and the difficulty of the assembly are reduced; and the socket connecting seat are mutually clamped and matched through the clamping groove and the elastic clamping seat, so that the socket can be conveniently detached, the sockets of different models can be installed according to different connector lug models, the damaged socket is conveniently replaced, and the utilization rate is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments 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 it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

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

fig. 2 is a schematic front view of the structure of the present invention;

FIG. 3 is a schematic structural view of a PCB board according to the present invention;

FIG. 4 is a schematic structural view of the socket connecting seat and the PCB board of the present invention;

fig. 5 is a schematic structural diagram of the socket of the present invention;

fig. 6 is a schematic bottom structure diagram of the socket of the present invention;

fig. 7 is a schematic structural view of the middle socket connecting seat of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-PCB, 2-microswitch, 3-cam group, 4-socket connecting seat, 401-clamping groove, 402-first through hole, 403-positioning column, 5-socket, 501-elastic clamping seat, 502-rear shell, 503-second through hole and 504-positioning hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: an external wiring device of a microswitch of an air door actuator comprises a PCB (printed circuit board) 1, wherein a microswitch 2 is arranged on one side surface of the PCB 1, and the microswitch 2 is abutted with a cam group 3 of the air door actuator; the other side surface opposite to one side surface of the two groups of PCB boards 1 is welded with a socket connecting seat 4 matched with the microswitch 2, and the socket connecting seat 4 is detachably clamped with a socket 5;

the socket connecting seat 4 has a sidewall symmetrically formed with a clamping groove 401, and the socket 5 has a sidewall fixedly connected with an elastic clamping seat 501 mutually matched with the clamping groove 401.

Specifically, the number of the four sets of the clamping grooves 401 is provided, and the four sets of the clamping grooves 401 are respectively located on four side walls of the socket connecting seat 4, so that the stability of the socket during connection is further improved through the arrangement of the four sets of the clamping grooves.

Specifically, first through-hole 402 has been seted up to socket connecting seat 4 inner chamber bottom, and socket 5 bottom is provided with detachable backshell 502, is provided with second through-hole 503 on the backshell 502, and second through-hole 503 and the coaxial setting of first through-hole 402, the connection of the circuit of can being convenient for through the setting of first through-hole, second through-hole and backshell.

Specifically, two sets of positioning columns 403 are fixedly connected to the bottom of the inner cavity of the socket connecting seat 4, and positioning holes 504 matched with the positioning columns 403 are formed in the bottom of the socket 5, so that the positioning function can be achieved through the matching of the positioning holes and the positioning columns during installation, and the installation is more convenient.

One specific application example of this embodiment is: the utility model discloses when using, the mounted position of its PCB board 1 and the application document that patent application number is CN201220014522.3 are unanimous, and the setting of micro-gap switch 2 on the PCB board 1 is also unanimous with this file.

When using, weld socket joint seat 4 on PCB board 1 earlier, then draw forth micro-gap switch 2's wiring pin through first through-hole 402 to lead in the wiring pin to socket 5 is inside and connect through second through-hole 503, then mutually support through elasticity joint seat 501 and joint groove 401 with socket 5, it is fixed with the socket 5 joint, accomplish the installation of socket.

When the air door actuator performs action, the inner cam group 3 rotates, a cam which is precisely processed is arranged on the cam group 3, the cam applies force to the contact part on the microswitch 2, and when the cam displaces to a critical point, the contact part generates instantaneous action to quickly connect or disconnect the movable contact and the fixed contact at the tail end of the action reed. The signals are transmitted to the program controller via external connections to the socket 5.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.

Claims

1. The external wiring device of the microswitch of the air door actuator comprises a PCB (1), wherein a microswitch (2) is arranged on one side surface of the PCB (1), and the microswitch (2) is abutted with a cam group (3) of the air door actuator; the method is characterized in that: the other side face opposite to one side face of the two groups of PCB boards (1) is welded with a socket connecting seat (4) matched with the microswitch (2), and the socket connecting seat (4) is detachably clamped with a socket (5);

the socket is characterized in that clamping grooves (401) are symmetrically formed in the side wall of the socket connecting seat (4), and elastic clamping seats (501) matched with the clamping grooves (401) are fixedly connected to the side wall of the socket (5).

2. The microswitch external wiring device of a damper actuator of claim 1, wherein: the number of the clamping grooves (401) is four, and the four clamping grooves (401) are respectively positioned on four side walls of the socket connecting seat (4).

3. The microswitch external wiring device of a damper actuator of claim 1, wherein: the socket is characterized in that a first through hole (402) is formed in the bottom of an inner cavity of the socket connecting seat (4), a detachable rear shell (502) is arranged at the bottom of the socket (5), a second through hole (503) is formed in the rear shell (502), and the second through hole (503) and the first through hole (402) are coaxially arranged.

4. The microswitch external wiring device of a damper actuator of claim 1, wherein: two groups of positioning columns (403) are fixedly connected to the bottom of the inner cavity of the socket connecting seat (4), and positioning holes (504) matched with the positioning columns (403) are formed in the bottom of the socket (5).