CN201478169U

CN201478169U - Automatic reset switch with fixed legs

Info

Publication number: CN201478169U
Application number: CN2009201357260U
Authority: CN
Inventors: 桂锋
Original assignee: DONGGUAN WINWEAL INDUSTRIAL Co Ltd
Current assignee: DONGGUAN WINWEAL INDUSTRIAL Co Ltd
Priority date: 2009-03-13
Filing date: 2009-03-13
Publication date: 2010-05-19
Anticipated expiration: 2019-03-13

Abstract

The utility model relates to a reset switch, in particular to a button-type automatic reset switch with fixed legs and long service life. The automatic reset switch structurally comprises a body, a button, a rear cover and a PCB board, the body is provided with a hollow cavity, a terminal III is arranged on one side of an elastic sheet close to a spring, and at least two positioning columns for fixing the switch are fixedly arranged at the bottom of the rear cover; the PCB board is provided with hole sites corresponding to a terminal I, a terminal II, a terminal III and the positioning columns. The terminal pins of the terminal I, the terminal II and the terminal III respectively penetrate through the jacks on the rear cover and the hole sites on the PCB board. As a terminal is additionally arranged on the switch, three terminals are connected with the PCB board, at least two positioning columns for fixing the switch are additionally arranged at the bottom of the rear cover to firmly fix the switch without other fixing components, so the mounting cost of the switch is reduced; the structure of the terminals is simpler, the machining cost of the products is saved and the qualified rate of the products is improved.

Description

A kind of automatically reset switch with fixing feet

Technical field

The utility model relates to a kind of restoration type switch, refer in particular to a kind of long service life the band fixing feet by the of bonding automatic reset switch.

Background technology

The patent No. is that the Chinese utility model patent specification of ZL200720122285.1 discloses a kind of " a kind of automatic reset switch ", with reference to Fig. 1, comprise body 11 and button 12 and bonnet 17 in this automatic reset switch structure, establish cavity in the body 11, cavity is divided into the chute cavity 111 supporting with button 12, with the supporting terminal II cavity 112 of terminal II 13, with the supporting terminal I cavity 113 of terminal I 14, and the shell fragment cavity 114 of fixation spring tab 15; A hole that is complementary with the push-piece stem 121 on button 12 tops is established on body 11 tops; Installing terminal I 14 and terminal II 13 in the described body successively reach with button 12 slidably and has pulled out a grade shell fragment 15 that acts on; Described terminal II 13 is established brush 131 by terminal I 14 places, another side establish one with the sub 131 terminal shell fragments 132 that are connected of brush; Establish chute 115 in the described body 11, button 12 is the chute structure with chute cavity 111; Establish boss 141 on the described terminal I 14; Establish the button cavity 122 of placing spring 16 in the described button 12, establish the spring seat of honour 123 of mounting spring 16 in the button cavity 122; Conducting strip on described terminal I 14 and the terminal II 13 passes the jack of establishing on the bonnet 17 171 respectively; Establish the spring lower seat 172 of mounting spring 16 on the described bonnet 17; Described body 11 links into an integrated entity with bonnet 17 buckles.

Touch the button 12 downwards, button 12 moves down along chute 115, and the terminal shell fragment of establishing on the extruding terminal II 13 132 suppresses drive brush 131 to a side and touches terminal I 14 convex platforms 141 turn-on powers, reaches and opens switching purposes; Button 12 is downwards by making spring 16 form an elastic force to lower compression simultaneously, button 12 was returned to normal state after by pressure disappeared downwards under the elastic force effect of spring 16, brush 131 is returned to normal condition and disconnects connection, is automatically reset purpose thereby reach off switch.

In sum: at first, its switch structure is made up of two pin, is installing like this, and switch must be fixed, general employing plastic rubber bracket adds screw and fixes, cause the installation cost height like this, and take very large space, if there is not plastic rubber bracket, switch is equipped with jiggly situation on pcb board, and the frequency that this switch uses is very high and the time that use is also long, and having grown back structure and the life-span thereof to switch service time all has very big influence, even makes its out of control or inefficacy; Secondly, the terminal structure of reset switch is too complicated, and terminal shell fragment and brush established on the terminal II are structure as a whole, thereby its work principle is to be extruded and to be driven the sub conduction that reaches of brush by the terminal shell fragment.

The utility model content

The utility model is at above-mentioned the deficiencies in the prior art, is intended to release a kind of a kind of automatically reset switch with fixing feet that terminal and reference column are used to install that increases.

The technical scheme that its technical problem that solves the utility model adopts is:

A kind of automatically reset switch with fixing feet, comprise body in the structure, button, bonnet and pcb board, establish cavity in the body, cavity is followed successively by the shell fragment cavity of fixation spring tab, with the supporting terminal II I cavity of terminal II I, with the supporting chute cavity of button, with the supporting terminal II cavity of terminal II, with the supporting terminal I cavity of terminal I, install terminal I in the body successively, terminal II and button have reached the shell fragment that pulls out the shelves effect, establish the button cavity of placing spring in the described button, and described body links into an integrated entity with the back cover latch, described shell fragment one side is established a terminal II I by the spring place, and described bonnet bottom sets firmly at least two reference columns that are used for fixing switch; Establish the hole position corresponding on the described pcb board with terminal I, terminal II, terminal II I and reference column.

Described terminal II is established the terminal II shell fragment by the spring place, and the terminal II boss is established by terminal I place in described terminal II shell fragment end; Described terminal I establishes terminal I shell fragment by the terminal II place, and terminal I boss is established by the terminal II place in terminal I shell fragment end.

Terminal supportor on described terminal I, terminal II and the terminal II I passes the position, corresponding hole of establishing on the jack established on the bonnet and the pcb board respectively.

The beneficial effect of a kind of automatically reset switch with fixing feet of the utility model is: the utility model has increased a terminal and has been connected with pcb board on the basis of original two terminals, determine a face, on pcb board, add a welded disc and just can well play switch fixed effect for 3; Set firmly at least two reference columns that are used for fixing switch in bonnet bottom, as long as on pcb board, increase the i.e. good floatless switch in position, corresponding hole, need not to add screw with plastic rubber bracket again and fix like this, thus the installation cost of reduction switch; Terminal structure is simpler, the easier control each side of the terminal of new construction parameter, and such as stroke, its mould structure is simpler and product parameters is more reasonable, thereby has saved the product cost of processing and improved the qualification rate of product.

Description of drawings

Fig. 1 is that the patent No. is the overall structure schematic diagram of ZL200720122285.1;

Fig. 2 is an overall structure schematic diagram of the present utility model;

Fig. 3 is the structural representation that adds pcb board of the present utility model;

Fig. 4 is the utility model decomposing schematic representation;

Fig. 5 is the utility model inner body scheme of installation;

Fig. 6 is the utility model terminal I front view;

Fig. 7 is the utility model terminal I left view;

Fig. 8 is the utility model terminal II front view;

Fig. 9 is the utility model terminal II right view.

The drawing reference numeral explanation:

11, body 111, chute cavity 112, terminal II cavity 113, terminal I cavity 114, shell fragment cavity 115, chute 12, button 121, push-piece stem 122, button cavity 123, the spring seat of honour 13, terminal II 131, brush 132, terminal shell fragment 14, terminal I141, boss 15, shell fragment 16, spring 17, bonnet 171, jack 172, spring lower seat 2, body 3, button 4, bonnet 41, reference column 5, terminal I 51, terminal I shell fragment 52, terminal I boss 6, terminal II 61, terminal II shell fragment 62, terminal II boss 7, terminal II I 8, shell fragment 9, spring 10, pcb board

Embodiment

Below in conjunction with drawings and Examples the utility model is further specified.

With reference to Fig. 2 to Fig. 9, the utility model is to implement like this:

A kind of automatically reset switch with fixing feet, shell fragment 8 one sides are established a terminal II I7 by spring 9 places, a terminal supportor is respectively established in terminal II I7 and terminal I 5 and terminal II 6 ends, terminal supportor on terminal II I7 and terminal I 5 and the terminal II 6 passes the position, corresponding hole of establishing on the jack established on the bonnet 4 and the pcb board 10 respectively, at last three terminal supportors are welded on and form three fixing points on the pcb board 10, determine a face, so just can well play switch fixed effect for 3.

Bonnet 4 bottoms set firmly two reference columns 41 that are used for fixing switch; Promptly can play good switch fixed effect as long as increase position, corresponding hole on pcb board 10 like this, the quantity of reference column 41 can be a plurality of.

In sum, increased a terminal II I7 and two reference columns 41 in the bottom, just can play good switch fixed effect, fixed thereby need not to add screw with plastic rubber bracket again, reach reduce the erector suitable, reduce the switch cost.

Terminal II 6 is established terminal II shell fragment 61 by spring 8 places, and terminal II boss 62 is established by terminal I 5 places in described terminal II shell fragment 61 ends; Terminal I 5 establishes terminal I shell fragment 51 by terminal II 6 places, and terminal I boss 52 is established by terminal II 6 places in terminal I shell fragment 51 ends.When button 3 moves down along chute, the terminal II shell fragment of establishing on the extruding terminal II 6 61 suppresses to a side, make the terminal II boss 62 that the is located at terminal II shell fragment 61 ends turn-on power that contacts with the terminal I boss 52 that is located at terminal I shell fragment 51 ends, reach and open switching purposes; Button 3 is downwards by making spring 9 form an elastic force to lower compression simultaneously, button 3 was returned to normal state after by pressure disappeared downwards under the elastic force effect of spring 9, terminal II shell fragment 61 is returned to normal condition and disconnects connection, is automatically reset purpose thereby reach off switch.

The above, it only is the preferred embodiment of a kind of automatically reset switch with fixing feet of the utility model, be not that technical scope of the present utility model is imposed any restrictions, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model above any trickle modification, equivalent variations and modification that embodiment did.

Claims

1. automatically reset switch with fixing feet, comprise body (2) in the structure, button (3), bonnet (4) and pcb board (10), body is established cavity in (2), cavity is followed successively by the shell fragment cavity of fixation spring tab (8), with the supporting terminal II I cavity of terminal II I (7), with the supporting chute cavity of button (3), with the supporting terminal II cavity of terminal II (6), with the supporting terminal I cavity of terminal I (5), install terminal I (5) in the body (2) successively, terminal II (6) has reached the shell fragment (8) that pulls out the shelves effect with button (3), establish the button cavity of placing spring (9) in the described button (3), described body (2) links into an integrated entity with bonnet (4) buckle, it is characterized in that: described shell fragment (8) one sides locate to establish a terminal II I (7) by spring (9), and described bonnet (4) bottom sets firmly at least two reference columns (41) that are used for fixing switch; Establish on the described pcb board (10) and terminal I (5), terminal II (6), terminal II I (7) and position, the corresponding hole of reference column (41).

2. a kind of automatically reset switch according to claim 1 with fixing feet, it is characterized in that: described terminal II (6) locates to establish terminal II shell fragment (61) by spring (8), and terminal II boss (62) is located to establish by terminal I (5) in described terminal II shell fragment (61) end; Described terminal I (5) locates to establish terminal I shell fragment (51) by terminal II (6), and terminal I boss (52) is located to establish by terminal II (6) in terminal I shell fragment (51) end.

3. a kind of automatically reset switch with fixing feet according to claim 1 is characterized in that: the terminal supportor on described terminal I (5), terminal II (6) and the terminal II I (7) passes the position, corresponding hole of establishing on the jack established on the bonnet (4) and the pcb board (10) respectively.