CN201226314Y

CN201226314Y - Novel push-button switch

Info

Publication number: CN201226314Y
Application number: CNU2008200483613U
Authority: CN
Inventors: 刘文学
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-05-27
Filing date: 2008-05-27
Publication date: 2009-04-22
Anticipated expiration: 2018-05-27

Abstract

The utility model relates to the electronic switch technology, in particular to a novel key switch, which comprises an outer casing, a fixed bracket, a push rod, a spring, a sliding block, a contact spring plate and connecting terminals. When the push rod is pressed, the kook of the push rod is hung on a two-section type locking groove, so the sliding block is pushed to one side, and the other end of the contact spring plate is elastically deformed and butted on the other connecting terminal, and then the both connecting terminals are conducted through the contact spring plate; the push rod is pressed again, the kook of the push rod is released from the two-section type locking groove, ejected by the spring and drives the sliding block to reset, and so the contact spring plate is flicked from the other connecting terminal, and the both connecting terminals are eclectically disconnected. By adopting the novel key switch, not only the single-knife key switch can be realized, but also the double-knife key switch and even multi-knife key switch can be realized, the structure is simple, the production material and cost are effectively reduced, the production efficiency of products and the rate of the finished products are greatly improved, and the service life of the key switch and the voltage upper limit of medium can also be improved.

Description

Novel key switch

Technical field

The utility model relates to electronic switching technology, specifically is a kind of novel key switch.

Background technology

Existing key switch adopts the mode of stage touching of movable contact spring or release static contact to realize contactor usually, touching for the implementation phase formula, the Chinese utility model patent that common technical scheme that adopts such as notification number are 2240194Y, control lever acts directly on the activity template, in such technical scheme, the life-span of activity template will have a greatly reduced quality because of long-term friction, and the stage sense of touch of operating handle is not clearly, and the cost of manufacture of control lever becomes to produce the operation relative complex also than higher.

The utility model content

For remedying the deficiencies in the prior art, the utility model proposes a kind of novel key switch, the production process of key switch is simplified, and had good operating characteristics.

The utility model adopts following technical scheme to realize above-mentioned purpose:

Novel key switch, comprise shell, fixed support, push rod, spring, slide block, contact shell fragment and splicing ear, shell comprises the loam cake and the lower cover of fastening, fixed support is located at cover top portion, the push rod lower end is passed fixed support and is inserted from cover top portion, spring housing is located at the push rod upper end, and both ends of the spring is supported on push rod and fixed support respectively, is provided with the two-part draw-in groove that cooperates push rod in the shell; Slide block is located in the shell and is connected with the push rod lower end, can left and right sides slippage; Splicing ear is fixed at outer casing bottom, comprises two that are electrical open circuit, and shell fragment one end in contact is fixed in wherein a slice splicing ear, and shell fragment middle part in contact is fastened on the slide block; Press lower push-rod, push rod is hooked on the two-part draw-in groove, and slide block is moved to a thruster, and the other end elastic deformation of contact shell fragment is connected on another sheet splicing ear, by the contact shell fragment with two splicing ear conductings; Press lower push-rod once more, push rod is ejected and drives slide block from the release of two-part draw-in groove by spring and resets, and the contact shell fragment is flicked from another sheet splicing ear, and two splicing ears are electrically opened a way once more.

As improvement of the technical scheme, the push rod lower end is provided with guide pillar, then is provided with the guide groove of coupling guide pillar on the slide block, and guide groove is oblique setting, push rod press down or on when drawing, guide pillar pushes the downside and the upside of guide groove respectively, makes the slippage of the slide block left and right sides.

As improvement of the technical scheme, slide block is provided with the traction catapult and links to each other with shell, is swing arm with the traction catapult all during the slippage of the slide block left and right sides.

As improvement of the technical scheme, be provided with the hook catapult, hook catapult one end is fastened on the push rod, and the other end cooperates with the two-part draw-in groove of shell and links.

As improvement of the technical scheme, the two-part draw-in groove comprises " people " word groove and the dovetail groove that both sides communicate, and " people " word groove is located at the dovetail groove top, and the gradient of " people " word groove one side is slightly larger than opposite side, and upper end open is located at the bigger side of gradient partially; Dovetail groove is made as in the bigger side of " people " word slot slope and faces the slope directly, and opposite side then is made as the arc slope; The hook catapult is selected the bigger side of gradient automatically when " people " word groove top is slided, climb along facing slope one side directly after entering dovetail groove, and block and end at the top of dovetail groove, the hook catapult is then selected arc slope one to break away out and climb automatically when dovetail groove slides and is got back to " people " word groove top.

As improvement of the technical scheme, slide block is each side established one group of splicing ear, and every group includes two that are electrical open circuit, and the contact shell fragment of coupling also is provided with two, is arranged in two ends, the slide block left and right sides respectively.

The utlity model has following beneficial effect:

Adopt the utility model, not only can realize the hilted broadsword key switch but also can realize double-pole even the multitool key switch, simple in structure, production material and cost have effectively been reduced, improve production efficiency of products and rate of finished products to a great extent, but also fallen the useful life and the dielectric withstanding voltage upper limit that can improve key switch.

Description of drawings

Fig. 1 is a schematic appearance of the present utility model.

Fig. 2 is a structural representation of the present utility model.

Fig. 3 is the structural representation of the utility model loam cake.

Fig. 4 is the upspring structural representation of state of the utility model button.

Fig. 5 is the structural representation of the utility model button down state.

Fig. 6 is the structural representation of the utility model push rod.

Fig. 7 is the structural representation of the utility model slide block.

Embodiment

Below in conjunction with specification drawings and specific embodiments the utility model being described further, below only is one of better embodiment of the present utility model, and thus obtained technology enlightenment and improvement project still belong to protection category of the present utility model.

Arrive shown in Figure 7 as Fig. 1, novel key switch, comprise shell 1, fixed support 2, push rod 3, spring 4, slide block 5, contact shell fragment 6 and splicing ear 7, shell 1 comprises the loam cake 11 and the lower cover 12 of fastening, fixed support 2 is located at shell 1 top, and push rod 3 lower ends are passed fixed support 2 and inserted from shell 1 top, and spring 4 is sheathed on push rod 3 upper ends, spring 4 two ends are supported on push rod 2 and fixed support 2 respectively, and the loam cake 11 of shell 1 is provided with the two-part draw-in groove 13 that cooperates push rod 3; Slide block 5 is located in the shell 1 and is connected with push rod 3 lower ends, can left and right sides slippage; Splicing ear 7 is fixed at shell 1 bottom, comprises two that are electrical open circuit, and shell fragment 6 one ends in contact are fixed in wherein a slice splicing ear 7, and shell fragment 6 middle parts in contact are fastened on the slide block 5; Press lower push-rod 4, push rod 4 is hooked on the two-part draw-in groove 13, and slide block 5 is moved to a thruster, and the other end elastic deformation of contact shell fragment 6 is connected on another sheet splicing ear 7, by contact shell fragment 6 with two splicing ear 7 conductings; Press lower push-rod 2 once more, push rod is ejected and drives slide block 5 from 13 releases of two-part draw-in groove by spring 4 and resets, and contact shell fragment 6 is flicked from another sheet splicing ear 7, and two splicing ears 7 are electrically opened a way once more.

Push rod 3 lower ends are provided with guide pillar 31, then are provided with the guide groove 51 of coupling guide pillar 31 on the slide block 5, and guide groove 51 is oblique setting, push rod 3 press down or on when drawing, guide pillar 31 pushes the downside and the upside of guide groove 51 respectively, makes slide block 5 left and right sides slippages.Slide block 5 is provided with traction catapult 52 and links to each other with shell 1, is swing arm to draw catapult 52 all during slide block 5 left and right sides slippages.

Be provided with hook catapult 32, hook catapult 32 1 ends are fastened on the push rod 3, and the other end cooperates with the two-part draw-in groove 13 of shell 1 and links.Two-part draw-in groove 13 comprises " people " word groove 131 and the dovetail groove 132 that both sides communicate, and " people " word groove 131 is located at dovetail groove 132 tops, and the gradient of " people " word groove 131 1 sides is slightly larger than opposite side, and upper end open is located at the bigger side of gradient partially; Dovetail groove 132 is made as in the bigger side of " people " word groove 131 gradients and faces the slope directly, and opposite side then is made as the arc slope; Hook catapult 32 is selected the bigger side of gradient automatically when " people " word groove 131 tops are slided, entering dovetail groove 132 backs climbs along facing slope one side directly, and block and end at the top of dovetail groove 132, hook catapult 32 is then selected arc slope one to break away out and climb automatically when dovetail groove 132 slides and is got back to " people " word groove 131 tops.

Slide block 5 is each side established one group of splicing ear 7, and every group includes two that are electrical open circuit, and the contact shell fragment 6 of coupling also is provided with two, is arranged in two ends, slide block 5 left and right sides respectively.

Claims

1, novel key switch, it is characterized in that: comprise shell, fixed support, push rod, spring, slide block, contact shell fragment and splicing ear, shell comprises the loam cake and the lower cover of fastening, fixed support is located at cover top portion, the push rod lower end is passed fixed support and is inserted from cover top portion, spring housing is located at the push rod upper end, and both ends of the spring is supported on push rod and fixed support respectively, is provided with the two-part draw-in groove that cooperates push rod in the shell; Slide block is located in the shell and is connected with the push rod lower end, can left and right sides slippage; Splicing ear is fixed at outer casing bottom, comprises two that are electrical open circuit, and shell fragment one end in contact is fixed in wherein a slice splicing ear, and shell fragment middle part in contact is fastened on the slide block; Press lower push-rod, push rod is hooked on the two-part draw-in groove, and slide block is moved to a thruster, and the other end elastic deformation of contact shell fragment is connected on another sheet splicing ear, by the contact shell fragment with two splicing ear conductings; Press lower push-rod once more, push rod is ejected and drives slide block from the release of two-part draw-in groove by spring and resets, and the contact shell fragment is flicked from another sheet splicing ear, and two splicing ears are electrically opened a way once more.

2, novel key switch according to claim 1, it is characterized in that: the push rod lower end is provided with guide pillar, then is provided with the guide groove of coupling guide pillar on the slide block, guide groove is oblique setting, push rod press down or on when drawing, guide pillar pushes the downside and the upside of guide groove respectively, makes the slippage of the slide block left and right sides.

3, novel key switch according to claim 2 is characterized in that: slide block is provided with the traction catapult and links to each other with shell, is swing arm with the traction catapult all during the slippage of the slide block left and right sides.

4, novel key switch according to claim 3 is characterized in that: be provided with the hook catapult, hook catapult one end is fastened on the push rod, and the other end cooperates with the two-part draw-in groove of shell and links.

5, novel key switch according to claim 4, it is characterized in that: the two-part draw-in groove comprises " people " word groove and the dovetail groove that both sides communicate, " people " word groove is located at the dovetail groove top, the gradient of " people " word groove one side is slightly larger than opposite side, and upper end open is located at the bigger side of gradient partially; Dovetail groove is made as in the bigger side of " people " word slot slope and faces the slope directly, and opposite side then is made as the arc slope; The hook catapult is selected the bigger side of gradient automatically when " people " word groove top is slided, climb along facing slope one side directly after entering dovetail groove, and block and end at the top of dovetail groove, the hook catapult is then selected arc slope one to break away out and climb automatically when dovetail groove slides and is got back to " people " word groove top.

6, according to each described novel key switch of claim 1 to 5, it is characterized in that: slide block is each side established one group of splicing ear, every group includes two that are electrical open circuit, and the contact shell fragment of coupling also is provided with two, is arranged in two ends, the slide block left and right sides respectively.