CN208637361U - A kind of electrical terminals and the blast switch using the electrical terminals - Google Patents

Abstract

The utility model discloses a kind of electrical terminals of blast switch, including terminal bodies, terminal bodies are equipped with for inserting fixed mounting structure, and the open slot for installing fixed core wire is offered in terminal bodies, at least one is provided on open slot for connecting and fixing the choke of core wire；Core wire easily falls off terminal bodies when the electrical terminals of the above structure can prevent blast switch from being hit；The invention also discloses a kind of blast switch of application electrical terminals, including pedestal, lid, diaphragm unit and elastic slice component, pedestal is equipped with public terminal, normally opened terminal and the normally closed terminal being electrically connected with elastic slice component, public terminal, normally opened terminal and normally closed terminal are all configured with an above-mentioned electrical terminals, and the blast switch structural stability and job stability are higher.

Description

A kind of electrical terminals and the blast switch using the electrical terminals

Technical field

The utility model relates to the wind pressure of switching technique field more particularly to a kind of electrical terminals and the application electrical terminals Switch.

Background technique

General blast switch includes pedestal, lid, diaphragm unit, elastic slice component and microswitch components, on pedestal Be respectively equipped with elastic slice component be electrically connected normally opened terminal, normally closed terminal and public terminal, pedestal be equipped with normally opened terminal, The electrical terminals that normally closed terminal and public terminal are corresponded and be electrically connected by core wire, in order to install fixed core wire, these The open slot for accommodating core wire is all offered on terminal, the open slot passes through in diminishing inverted trapezoidal from top to bottom Interference fit fixes core wire close-fitting.However, working as wind pressure since the edge line that open slot is contacted with core wire surface is straight transitions When switch is hit, core wire is easy to be detached from electrical terminals, therefore all wind pressure is easy to cause to open in transport or use process Road is turned off, the stability of blast switch work is influenced.

Utility model content

To solve the above-mentioned problems, the purpose of this utility model is to provide the power connection ends that one kind can prevent core wire to be detached from The blast switch of son and the application electrical terminals.

The utility model be solve its technical problem and the technical solution adopted is that:

A kind of electrical terminals of blast switch, including terminal bodies, terminal bodies are equipped with for inserting fixed installation Structure offers the open slot for installing fixed core wire in the terminal bodies, is provided at least one on the open slot For connecting and fixing the choke of core wire.

The open slot sets gradually that there are two connected chokes along its bottom upwards.

The open slot forms the flaring guide portion being connected with choke, the flaring guide portion along the upper end downwards With diminishing boot segment from top to bottom.

A kind of blast switch using above-mentioned electrical terminals, further include pedestal, lid and be set to base and cover body it Between diaphragm unit, diaphragm unit constitutes the positive pressure chamber of sealing with lid and pedestal respectively and negative pressure cavity, diaphragm unit are equipped with One mandril is respectively arranged with public terminal, normally opened terminal and normally closed terminal on pedestal, on pedestal configuration there are three and common end Sub, normally opened terminal and the one-to-one electrical terminals of normally closed terminal, being provided on the pedestal can be with normally opened terminal or normally closed Terminal is electrically connected and elastic slice component corresponding with mandril, and the mandril moves and the elastic slice component that links towards the direction of pedestal To be electrically connected the normally opened terminal.

The elastic slice component includes the movable contact spring that one end is fixed in negative pressure cavity and is electrically connected with the public terminal, institute State normally opened terminal and normally closed terminal be located at the upper side and lower side of movable contact spring, the movable contact spring be equipped with can respectively with it is normally opened The movable contact that terminal and normally closed terminal are electrically connected is provided with an action movie below the mandril, and the pedestal is equipped with position It being connect in the first end of the elastic slice in negative pressure cavity, the elastic slice with action movie, the second end of elastic slice and the free end of movable contact spring connect, The upper surface of the mandril towards the movable contact that can link when the movement of the direction of pedestal is in contact with normally opened terminal.

The diaphragm unit includes diaphragm support, and diaphragm support is equipped with the mandril extended towards negative pressure cavity side, diaphragm The periphery of bracket is provided with ring film, pedestal, lid flange holding ring shape diaphragm edge, open up on the diaphragm support There is at least one through hole, the ring film is inside the through hole and integrally formed with ring film equipped with taking shape in Connecting column.

The diaphragm support is rounded lamellar, and the circumferential edges of diaphragm support are intervally distributed with several through holes, institute Ring film is stated to take shape in the circumferential edges of diaphragm support and all through holes can be run through to form the connecting column, Jin Eryu Diaphragm support forms integral structure.

The beneficial effects of the utility model are: at least one choke is arranged on the open slot of the electrical terminals of the above structure Core wire is connected and fixed, core wire is detached from terminal bodies when can prevent blast switch from being hit；Using the wind pressure of the electrical terminals Construction of switch stability and job stability are higher.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of electrical terminals；

Fig. 2 is the schematic diagram of internal structure of the blast switch of the electrical terminals comprising Fig. 1；

Fig. 3 is the structural schematic diagram that diaphragm unit, lid and pedestal are removed in Fig. 2；

Fig. 4 is the structural schematic diagram of diaphragm unit；

Fig. 5 is the structural decomposition diagram of Fig. 4；

Fig. 6 is the schematic cross-section of diaphragm unit；

Fig. 7 is the partial enlarged view of the part A of Fig. 6.

Specific embodiment

Utility model will be further described in detail below with reference to the attached drawings and specific embodiments, however, it is desirable to say Bright, the explanation to following implementation is schematically, not constitute the specific restriction to the utility model.

Referring to Figure 1 to Figure 7, a kind of electrical terminals of blast switch, including terminal bodies 6, terminal bodies 6 are equipped with and are used for Fixed mounting structure 61 is inserted, in the present embodiment, the mounting structure 61 is and the integrally formed barb of terminal bodies, general When electrical terminals are extracted from socket, barb can prevent electrical terminals to be detached from from blast switch, open in the terminal bodies 6 Equipped with the open slot 62 for installing fixed core wire, at least one is provided on the open slot 62 for connecting and fixing core wire Choke 621.At least one choke is set on the open slot of the electrical terminals of the above structure and connects and fixes core wire, can be prevented Core wire easily falls off terminal bodies when blast switch is hit.

As preferred embodiments of the present invention, the open slot 62 is set gradually upwards along its bottom there are two phase Even choke 621, two chokes 621 can prevent blast switch caused due to collision core wire be detached from open slot 62 can Energy.

For the ease of the installation of core wire, the open slot 62 is formed along the upper end downwards to be connected with choke 621 It is flared guide portion 622, for the flaring guide portion 622 with diminishing boot segment 623 from top to bottom, core wire can be along drawing Section 623 is led to move towards choke 621, since electrical terminals are generally made of conductive metal sheets such as copper sheets, these wire metals Piece all can flexible deformation, therefore core wire can be clamped into choke 621.

A kind of blast switch using above-mentioned electrical terminals further includes pedestal 1, lid 2 and is set to pedestal 1 and covers Diaphragm unit 3 between body 2, diaphragm unit 3 constitute the positive pressure chamber and negative pressure cavity of sealing, diaphragm group with lid 2 and pedestal 1 respectively Part 3 is equipped with a mandril 32, is respectively arranged with public terminal 11, normally opened terminal 12 and normally closed terminal 13 on pedestal 1, on pedestal 1 There are three configurations and public terminal 11, normally opened terminal 12 and the one-to-one electrical terminals of normally closed terminal 13, sets on the pedestal 1 Being equipped with can be with normally opened terminal 12 or the electric connection of normally closed terminal 13 and elastic slice component corresponding with mandril 32, the mandril 32 Elastic slice component is linked towards the movement of the direction of pedestal 1 to be electrically connected the normally opened terminal 12.Using the wind of the electrical terminals Press switch structure stability and job stability are higher.

The elastic slice component includes the dynamic spring 41 that one end is fixed in negative pressure cavity and is electrically connected with the public terminal 11 Piece, the normally opened terminal 12 and normally closed terminal 13 are located at the upper side and lower side of movable contact spring 41, and the movable contact spring 41 is equipped with The movable contact 411 that can be electrically connected respectively with normally opened terminal 12 and normally closed terminal 13, the lower section of the mandril 32 is provided with one Action movie 42, the pedestal 1 are equipped with the elastic slice 43 being located in negative pressure cavity, and the first end of the elastic slice 43 is connect with action movie 42, The second end of elastic slice 43 is connect with the free end of movable contact spring 41, and the mandril 32 can link when moving towards the direction of pedestal 1 The upper surface of the movable contact 411 is in contact with normally opened terminal 12.The elastic slice component simple structure of the above structure, job stability It is high.

In the present embodiment, the diaphragm unit 3 includes diaphragm support 31, and diaphragm support 31 is equipped with towards negative pressure cavity one The mandril 32 that side extends, the periphery of diaphragm support 31 is provided with ring film 33, the flange holding ring shape diaphragm of pedestal 1, lid 2 33 edge, at least one through hole 311 is offered on the diaphragm support 31, and the ring film 33 is equipped with and takes shape in institute State the inside of through hole 311 and with the integrally formed connecting column 331 of ring film 33.Preferably, the diaphragm support 31 is rounded Lamellar, the circumferential edges of diaphragm support 31 are intervally distributed with several through holes 311, and the ring film 33 takes shape in diaphragm The circumferential edges of bracket 31 simultaneously can through all through holes 311 to form the connecting column 331, and then with 31 shape of diaphragm support It is into a single integrated structure.The blast switch of the above structure forms ring film on the diaphragm support for being equipped with through hole, using taking shape in Ring film is fixed on diaphragm support inside through hole and with the connecting column of ring film one, improves the gas of diaphragm unit Close property and structural stability avoid the process in production diaphragm unit to guarantee the accuracy of the measurement function of blast switch The middle normal work damaged ring film and influence blast switch, and the production process of blast switch is simplified, improve production Efficiency.

The working principle of the blast switch are as follows: the diaphragm unit 3 drives mandril 32 towards close to base under the action of wind pressure The direction movement of seat 1, mandril 32 push the action movie 42 to move towards the direction close to pedestal 1, and action movie 42 pushes elastic slice 43 First end moved towards the direction of pedestal 1, the second end of elastic slice 42 makes movable contact spring 41 towards far from pedestal 1, close to diaphragm unit 3 Direction movement, i.e. movable contact 411 on movable contact spring 41 are moved towards the normally opened terminal 12 close to blast switch, until movable contact 411 Upper surface contacted with normally opened terminal 12, so that blast switch is connected to.

The foregoing is merely the preferred embodiments of the utility model, however it is not limited to above specific embodiment, as long as Realize that the technical solution of the utility model aim belongs within the protection scope of the utility model with essentially identical means.

Claims (7)

1. a kind of electrical terminals, including terminal bodies, terminal bodies are equipped with for inserting fixed mounting structure, the terminal The open slot for installing fixed core wire is offered in main body, it is characterised in that:

At least one is provided on the open slot for connecting and fixing the choke of core wire.

2. a kind of electrical terminals as described in claim 1, it is characterised in that:

The open slot sets gradually that there are two connected chokes along its bottom upwards.

3. a kind of electrical terminals as claimed in claim 2, it is characterised in that:

The open slot forms the flaring guide portion being connected with choke along the upper end downwards, and the flaring guide portion has Diminishing boot segment from top to bottom.

4. a kind of blast switch for applying the electrical terminals as described in claim 1-3 any claim, it is characterised in that:

Further include pedestal, lid and the diaphragm unit being set between base and cover body, diaphragm unit respectively with lid and base Seat constitutes the positive pressure chamber and negative pressure cavity of sealing, and diaphragm unit is equipped with a mandril, and public terminal, normally opened is respectively arranged on pedestal Terminal and normally closed terminal, on pedestal configuration there are three with public terminal, normally opened terminal and the one-to-one power connection end of normally closed terminal Son, be provided on the pedestal can with normally opened terminal or normally closed terminal is electrically connected and elastic slice component corresponding with mandril, The mandril links elastic slice component towards the movement of the direction of pedestal to be electrically connected the normally opened terminal.

5. a kind of blast switch as claimed in claim 4, it is characterised in that:

The elastic slice component includes the movable contact spring that one end is fixed in negative pressure cavity and is electrically connected with the public terminal, described normal Beginning and normally closed terminal are located at the upper side and lower side of movable contact spring, the movable contact spring be equipped with can respectively with normally opened terminal The movable contact being electrically connected with normally closed terminal, is provided with an action movie below the mandril, the pedestal be equipped be located at it is negative Intracavitary elastic slice is pressed, the first end of the elastic slice is connect with action movie, and the second end of elastic slice and the free end of movable contact spring connect, described The upper surface of mandril towards the movable contact that can link when the movement of the direction of pedestal is in contact with normally opened terminal.

6. a kind of blast switch as claimed in claim 4, it is characterised in that:

The diaphragm unit includes diaphragm support, and diaphragm support is equipped with the mandril extended towards negative pressure cavity side, diaphragm support Periphery be provided with ring film, pedestal, lid flange holding ring shape diaphragm edge, offer on the diaphragm support to A few through hole, the ring film be equipped with take shape in inside the through hole and with the integrally formed connection of ring film Column.

7. a kind of blast switch as claimed in claim 6, it is characterised in that:

The diaphragm support is rounded lamellar, and the circumferential edges of diaphragm support are intervally distributed with several through holes, the ring Shape diaphragm takes shape in the circumferential edges of diaphragm support and can be through all through hole to form the connecting column, and then and diaphragm Bracket forms integral structure.