CN204348561U - A kind of sensitive switch - Google Patents
A kind of sensitive switch Download PDFInfo
- Publication number
- CN204348561U CN204348561U CN201520105924.8U CN201520105924U CN204348561U CN 204348561 U CN204348561 U CN 204348561U CN 201520105924 U CN201520105924 U CN 201520105924U CN 204348561 U CN204348561 U CN 204348561U
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- sensitive switch
- drain pan
- switch according
- normally closed
- terminal
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Abstract
The utility model provides a kind of sensitive switch, comprise drain pan and upper cover, and the micromotion mechanism be arranged in the middle of drain pan and upper cover, described micromotion mechanism comprises public terminal, normally closed terminal and of normal beginning, and one end is fixedly connected on public terminal, the other end to be arranged in the middle of normally closed terminal and normal beginning and to be connected to the shell fragment of normally closed terminal when normality, described shell fragment and upper end, public terminal junction are provided with pushbutton unit, this sensitive switch, its building block is few, structure is simple, greatly reduce production cost, simple accurate parts and design is cleverly utilized to make mutually to closely cooperate between all parts, highly sensitive, life-span is long.
Description
Technical field
The utility model relates to a kind of sensitive switch.
Background technology
Sensitive switch is the snap-action mechanism with small contact separation, industry is very high to the sensitivity requirement of sensitive switch, and current many microswitch structures are complicated, raising in sensitivity is few, but bring higher cost because of complex structure, therefore, proposing simple, the highly sensitive sensitive switch of a kind of structure is a major issue that need solve at present.
Utility model content
In view of this, the technical problems to be solved in the utility model is to provide simple, the highly sensitive sensitive switch of a kind of structure.
For solving the problems of the technologies described above, the technical scheme that the utility model provides is: a kind of sensitive switch, comprise drain pan and upper cover, and the micromotion mechanism be arranged in the middle of drain pan and upper cover, described micromotion mechanism comprises public terminal, normally closed terminal and normal beginning, and one end is fixedly connected on public terminal, the other end is arranged at normally closed terminal and be connected to the shell fragment of normally closed terminal when normality in the middle of normal beginning, described shell fragment and upper end, public terminal junction are provided with pushbutton unit.
Described pushbutton unit comprises button cover and push rod, and is jointly connected the buffer spring of button cover with push rod after being socketed on push rod top.
Described push rod is provided with spacing preiection, described drain pan is provided with the retaining groove of restriction spacing preiection operating range.
The junction of described button cover and push rod and buffer spring is also provided with jump ring and plain cushion.
Described shell fragment comprises stem portion and buffer part, one end that stem portion and buffer part are collected is provided with moving contact, the other end of stem portion turns up certain angle and by rivet or be welded on public terminal, the other end of buffer part can spacingly be connected on public terminal movably.
Described buffer part is bending or linear structure.
Described public terminal is hierarchic structure, and hierarchic structure comprises step, secondary ladder and is arranged at the handrail of step end both sides; Described step is head end riveted joint or welding stem portion, end provides swinging distance for shell fragment with stem portion turns up the incline structure of semi-match, and handrail is provided with the buckling groove for the spacing movement of buffer part, it is external that secondary ladder extends drain pan.
One end of described normally closed terminal and normal beginning is provided with the upper contact corresponding up and down respectively with moving contact and lower contact, and it is external that the other end extends drain pan.
One end that described normally closed terminal and of normal beginning arrange upper contact and lower contact is also provided with the fixed part chimeric with drain pan and upper cover.
Described drain pan and on cover correspondence and be provided with registration holes and contraposition post, and for the fixing screw hole of screw.
Compared with prior art, the utility model tool has the following advantages:
The utility model provides a kind of sensitive switch, and carrying the highly sensitive building block maximizing simplification sensitive switch simultaneously, remain the basic composition unit of sensitive switch, make its building block few, structure is simple, greatly reduces production cost; But in the structural design of basic composition unit, be greatly different from existing labyrinth, in the gradient design of the link of shell fragment and public terminal, both ensure that firm connection, and reserved again the scope of activities of shell fragment rightly; Pushbutton unit arranges spring, both enhanced sense of touch, in turn ensure that the flexibility of button; The spacing design of pushbutton unit and drain pan further protects shell fragment, avoids because excessively pressing impaired; Utilize simple accurate parts and design cleverly to make mutually to closely cooperate between all parts, highly sensitive, the life-span is long.
Accompanying drawing explanation
Fig. 1 is the external structure schematic diagram of the utility model sensitive switch.
Fig. 2 is the internal structure schematic diagram that upper cover opened by the utility model sensitive switch.
Fig. 3 is drain pan and the superstructure schematic diagram of the utility model sensitive switch.
Fig. 4 is the pushbutton unit explosive view of the utility model sensitive switch.
Fig. 5 is normally closed terminal and the sub-explosive view of normal beginning of the utility model sensitive switch.
Fig. 6 is the shell fragment explosive view of the utility model sensitive switch.
Fig. 7 is the public terminal structural representation of the utility model sensitive switch.
Embodiment
The utility model to be explained in further detail below in conjunction with accompanying drawing and embodiment for the ease of it will be appreciated by those skilled in the art that.
As shown in Fig. 1 ~ 7, a kind of sensitive switch, the micromotion mechanism comprising drain pan 1, upper cover 11 and be arranged in drain pan 1 and upper cover 11, on described drain pan 1 and upper cover 11, correspondence is provided with location hole 13 and reference column 14 contraposition engaging, and correspondence is provided with and passes through and the screw 15 of locking for screw, described micromotion mechanism comprises the public terminal 2 of external circuits, normally closed terminal 3 and normal beginning 4, also comprises the shell fragment 5 that switches and connect and controls the pushbutton unit 6 that switching is connected; Described shell fragment 5 one end is fixedly connected on public terminal 2 by rivet 54, the other end is provided with moving contact 53, corresponding with the upper contact 31 on normally closed terminal 3 and normal beginning 4 and lower contact 41, during normality, moving contact 53 contacts with upper contact 31, the circuit that the normally closed terminal 3 of conducting accesses; When pressing the button device 6, moving contact 53 is pressed and is connected to the circuit turn-on that lower contact 41, Chang Kaiduan 4 connects.The utility model passes through simple and the structure of exquisiteness forms sensitive switch, reduces production cost, and extend the useful life of sensitive switch while the sensitivity of raising switch.
Wherein, as shown in Figure 4, described pushbutton unit 6 comprises button cover 61, push rod 62 and the jump ring 65 be connected between button cover 61 and push rod 62, plain cushion 66 and buffer spring 63, described buffer spring 63 is socketed on push rod 62, jump ring 65 and plain cushion 66 are connected to the draw-in groove place, top of push rod 62, then button cover 61 is socketed on push rod 62 top, now plain cushion 66 blocks steady in button cover 61, plain cushion 66 also has the effect supporting buffer spring 63, the bottom of push rod 62 is also provided with spacing preiection 621, the region described drain pan 1 being arranged pushbutton unit 6 is provided with retaining groove 64, retaining groove 64 limits the depression distance of spacing preiection 621, thus the operating range of restriction push rod 62, effectively alleviate this sensitive switch because of stressed too large or number of operations too many and the damage that causes, extend the life-span of switch.
As shown in Fig. 2,6,7, described shell fragment comprises stem portion 51 and buffer part 52, certain angle is upwards turned up in stem portion 51 one end, and at this end riveted joint public terminal 2, the other end is connected with buffer part 52, buffer part 52 is warp architecture, and the other end except the one end be connected with stem portion 51 can spacingly be connected on public terminal 2 movably.Described public terminal 2 is a hierarchic structure, comprise step 21, secondary ladder 22 and be arranged at the handrail 23 of step 21 end both sides, wherein step 21 is the incline structure identical with the gradient of a section that stem portion 51 is upwards turned up, secondary ladder 22 extends outside drain pan 1 and connects external circuit, described handrail 23 is provided with the buckling groove 24 for the spacing movement of buffer part 52.
As shown in Figure 5,4 one end are corresponding with moving contact about 53 is provided with upper contact 31 and lower contact 41 respectively for described normally closed terminal 3 and of normal beginning, the other end extends drain pan 1 for connecting external circuit, and one end that normally closed terminal 3 and normal beginning 4 arrange upper contact 31 and lower contact 41 is provided with the fixed part 12 be fitted and fixed with drain pan 1 and upper cover 11 respectively.
The plastic cement boss that described normally closed terminal 3 or Chang Kaiduan 4 can adopt plastic cement part to substitute or design substitutes normally closed terminal 3 or Chang Kaiduan 4 shift functions on glue shell 1.
Shown public terminal 2 is also provided with the fitting portion be fitted and fixed with drain pan 1 and upper cover 11.
As shown in Figure 2, when normality, the middle push rod 62 of button mechanism is under the stop of stem portion 51, and its spacing preiection 621 exists certain distance with retaining groove 64, and now moving contact 53 contacts with upper contact 31; If apply external force in button cover 61; whole pushbutton unit 6 presses down thereupon; and under the effect of spacing preiection 621 and retaining groove 64; pushbutton unit 6 can only press certain distance downwards; and this distance is enough to make stem portion 51 be pressed down thus moving contact 53 leaves upper contact 31; be connected with lower contact 41, and this depression distance protecting stem portion 51, stem portion 51 being avoided to be out of shape because being pressed excessively or impaired.
Microswitch structure disclosed in the utility model is simple, and utilize simple precise part and design cleverly to make mutually to closely cooperate between all parts, it is highly sensitive, and the life-span is long, and due to its building block few, structure simply, greatly reduces production cost.
Be more than wherein specific implementation of the present utility model, it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these apparent replacement forms all belong to protection range of the present utility model.
Claims (10)
1. a sensitive switch, comprise drain pan (1) and upper cover (11), and the micromotion mechanism be arranged in the middle of drain pan (1) and upper cover (11), it is characterized in that: described micromotion mechanism comprises public terminal (2), normally closed terminal (3) and normal beginning (4), and one end is fixedly connected on public terminal (2), the other end is arranged at normally closed terminal (3) and be connected to the shell fragment (5) of normally closed terminal (3) when normality in the middle of normal beginning (4), described shell fragment (5) and public terminal (2) upper end, junction be provided with pushbutton unit (6).
2. sensitive switch according to claim 1, it is characterized in that: described pushbutton unit (6) comprises button cover (61) and push rod (62), and be jointly connected the buffer spring (63) of button cover (61) with push rod (62) after being socketed on push rod (62) top.
3. sensitive switch according to claim 2, is characterized in that: described push rod (62) is provided with spacing preiection (621), described drain pan (1) is provided with the retaining groove (64) of restriction spacing preiection (621) operating range.
4. sensitive switch according to claim 3, is characterized in that: the junction of described button cover (61) and push rod (62) and buffer spring (63) is also provided with jump ring (65) and plain cushion (66).
5. sensitive switch according to claim 1, it is characterized in that: described shell fragment (5) comprises stem portion (51) and buffer part (52), one end that stem portion (51) and buffer part (52) are collected is provided with moving contact (53), the other end of stem portion (51) is turned up certain angle and is riveted or be welded on public terminal (2) by rivet (54), and the other end of buffer part (52) can spacingly be connected on public terminal (2) movably.
6. sensitive switch according to claim 5, is characterized in that: described buffer part (52) is bending or linear structure.
7. sensitive switch according to claim 5, is characterized in that: described public terminal (2) is hierarchic structure, and hierarchic structure comprises step (21), secondary ladder (22) and is arranged at the handrail (23) of step (21) end both sides; Described step (21) is head end riveted joint or welding stem portion (51), end be shell fragment (5) swinging distance is provided turn up the incline structure of semi-match with stem portion, handrail (23) is provided with the buckling groove (24) for buffer part (52) spacing movement, it is external that secondary ladder (22) extends drain pan (1).
8. sensitive switch according to claim 5, it is characterized in that: one end of described normally closed terminal (3) and normal beginning (4) is provided with the upper contact (31) corresponding up and down respectively with moving contact (53) and lower contact (41), and it is external that the other end extends drain pan (1).
9. sensitive switch according to claim 8, is characterized in that: one end that described normally closed terminal (3) and normal beginning (4) arrange upper contact (31) and lower contact (41) is also provided with the fixed part (12) chimeric with drain pan (1) and upper cover (11).
10. sensitive switch according to claim 1, is characterized in that: described drain pan (1) and the upper correspondence of upper cover (11) are provided with registration holes (13) and contraposition post (14), and for the screw hole (15) that screw is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520105924.8U CN204348561U (en) | 2015-02-13 | 2015-02-13 | A kind of sensitive switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520105924.8U CN204348561U (en) | 2015-02-13 | 2015-02-13 | A kind of sensitive switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204348561U true CN204348561U (en) | 2015-05-20 |
Family
ID=53231813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520105924.8U Active CN204348561U (en) | 2015-02-13 | 2015-02-13 | A kind of sensitive switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204348561U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104658788A (en) * | 2015-02-13 | 2015-05-27 | 惠州市弘宝电器有限公司 | Microswitch |
| CN107464713A (en) * | 2017-08-23 | 2017-12-12 | 成都源来来科技有限公司 | A kind of microswitch of force-applied deformation |
-
2015
- 2015-02-13 CN CN201520105924.8U patent/CN204348561U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104658788A (en) * | 2015-02-13 | 2015-05-27 | 惠州市弘宝电器有限公司 | Microswitch |
| CN104658788B (en) * | 2015-02-13 | 2019-02-12 | 惠州市弘宝电器有限公司 | A kind of microswitch |
| CN107464713A (en) * | 2017-08-23 | 2017-12-12 | 成都源来来科技有限公司 | A kind of microswitch of force-applied deformation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |