CN217544386U - Push travel switch - Google Patents

Abstract

The utility model belongs to the technical field of push switch makes, specifically be a push stroke switch, which comprises a housin, the internal fixation of casing is equipped with micro-gap switch, be equipped with the pressing piece directly over the inherent micro-gap switch of casing, the lateral wall of pressing piece and the vertical sliding connection of the inside wall of casing, transversely be equipped with the spout on the lower surface of pressing piece, the both ends of spout extend to outside the pressing piece, be equipped with gliding sliding block on the length direction line of spout in the spout, be equipped with a plurality of steps on the axis direction of following the spout on the lower surface of sliding block in proper order, the difference in height between two adjacent steps is 0.1mm, be equipped with two coaxial through-holes on the lateral wall of casing, the lower surface of sliding block and micro-gap switch press the top butt of splenium (14), the back of micro-gap switch assembly in travel switch's shell has been solved, micro-gap switch's height error and travel switch's the problem that the height error sum of pressing piece can exceed the holistic height error scope of travel switch.

Description

Push travel switch

Technical Field

The utility model belongs to the technical field of push switch makes, specifically be a push travel switch.

Background

At present, when a travel switch is manufactured, in order to pursue beauty and uniformity, the height of the upper surface of a pressing piece of the travel switch needs to be flush with the upper surface of a shell body of the travel switch, however, in the manufacturing process of a pressing part of the travel switch, the manufacturing of the pressing piece has an allowable error device, and similarly, the height of the pressing part of a micro switch in the travel switch also has an error value, so that after the micro switch is assembled in the shell of the travel switch, the sum of the height error of the micro switch and the height error of the pressing piece of the travel switch exceeds the height error of the whole travel switch, and further the beauty and uniformity of the travel switch are influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at prior art's shortcoming, the adoption sets up the sliding block that a lower surface has a plurality of steps in travel switch's casing and cooperates micro-gap switch's the mode of pressing the splenium, a press stroke switch has been designed, can adjust the relation between the high error of the splenium of pressing the splenium and the high error of the press piece of whole travel switch according to actual conditions in travel switch's assembling process, the rear of micro-gap switch assembly in travel switch's shell has been solved, micro-gap switch's high error and travel switch's the high error sum of press piece can exceed the problem of the holistic high error scope of travel switch.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a press travel switch, includes the casing, the casing internal fixation is equipped with micro-gap switch, the casing is inherent be equipped with the pressing part directly over micro-gap switch, the lateral wall of pressing part with the vertical sliding connection of the inside wall of casing, transversely be equipped with the spout on the lower surface of pressing part, the both ends of spout extend to outside the pressing part, be equipped with in the spout gliding sliding block on the length direction line of spout, follow on the lower surface of sliding block be equipped with a plurality of steps in proper order in the axis direction of spout, and the difference in height between two adjacent steps is 0.1mm, be equipped with two coaxial through-holes on the lateral wall of casing, the through-hole with the spout is coaxial, the lower surface of sliding block with micro-gap switch's the top butt of pressing the portion.

Preferably, the pressing part is provided with a telescopic limiting part right above the pressing part, the lower end of the telescopic limiting part extends into the sliding groove, the upper surface of the sliding block is provided with a concave groove corresponding to the telescopic limiting part at each step, the concave groove is conical, and the bottom of the concave groove) is conical.

Preferably, the lower surface of the telescopic limiting part is of a circular arc structure.

Preferably, the telescopic limiting part comprises a limiting pin, the lower end of the limiting pin is matched with the concave groove, a cavity is arranged on the lower surface of the pressing part corresponding to the limiting pin, the upper section of the limiting pin extends into the cavity, and the inner top wall of the cavity is connected with the top end of the limiting pin through a spring.

Preferably, a projection of an upper surface of the pressing portion on a lower surface of the pressing member is within the chute.

Preferably, be equipped with on the lateral wall of spout with the parallel stupefied of axis of spout, be equipped with on the lateral wall of sliding block with stupefied sliding connection's recess, the lower surface of sliding block is located outside the spout.

A travel adjusting method of the press travel switch,

1) When the height of the pressing part for manufacturing the microswitch is larger than the preset height of the pressing part, finding a through hole at one end of the shell, wherein the through hole is provided with a gap between the lower surface of the shell facing the sliding block and the upper surface of the pressing part of the microswitch; then, a strip-shaped hard jig with the cross section area smaller than the area of the through hole is inserted into the through hole facing to one end with a gap between the lower surface of the sliding block and the upper surface of the pressing part of the microswitch to push the sliding block until the sliding block is pushed to a step right above the pressing part of the microswitch and is just in contact with the upper surface of the pressing part of the microswitch in a normal state;

2) When the height of the pressing part for manufacturing the microswitch is smaller than the preset height of the pressing part, finding a through hole at one end with a gap between the lower surface of the shell, which is back to the sliding block, and the upper surface of the pressing part of the microswitch; and then a strip-shaped hard jig with the cross section area smaller than the area of the through hole is inserted into the through hole towards one end, with a gap, of the lower surface of the sliding block and the upper surface of the pressing part of the micro switch to push the sliding block until the sliding block is pushed to a step located right above the pressing part of the micro switch and is just contacted with the upper surface of the pressing part of the micro switch in a normal state.

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

1. the utility model discloses a set up the sliding block that a lower surface has a plurality of steps in travel switch's casing and cooperate the mode of pressing the splenium of micro-gap switch, a press travel switch has been designed, can adjust the relation between the altitude error of pressing the splenium of micro-gap switch and the altitude error of whole travel switch's pressing the pressing part according to actual conditions in travel switch's assembling process, the back of micro-gap switch assembly in travel switch's shell has been solved, micro-gap switch's altitude error and travel switch's pressing the altitude error sum of pressing the pressing part can exceed the problem of the holistic altitude error scope of travel switch.

2. The utility model discloses a flexible locating part that sets up for after promoting the sliding block and sliding, the lower extreme of flexible locating part enters into the depressed groove, plays spacing effect to the sliding block, prevents under the not enough condition of sliding block application of force, and the sliding block slides, leads to the sliding block to slide under the condition of rocking or slope casing for example saying so.

3. The utility model discloses in be equipped with on the lateral wall of spout with the parallel fillet of axis of spout, be equipped with on the lateral wall of sliding block with fillet sliding connection's recess, the lower surface of sliding block is located outside the spout. The mode that sets up like this for when the preparation micro-gap switch, need not consider the area of pressing the upper surface of splenium, as long as guarantee micro-gap switch can install in the casing can, because the lower surface of sliding block is located outside the spout, consequently, micro-gap switch's the upper surface of pressing the splenium always with the lower surface contact of sliding block, reduced the restrictive condition of preparation, and then can improve production efficiency to a certain extent.

Drawings

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

FIG. 2 is a schematic view of the housing of FIG. 1 with the housing removed;

FIG. 3 is a schematic structural view of the slider shown in FIG. 2 after being separated;

FIG. 4 is a cross-sectional view of FIG. 2;

fig. 5 is a schematic diagram of adjusting the stroke of the push stroke switch.

Wherein, 1, a shell; 2. a microswitch; 3. a pressing member; 4. a chute; 5. a slider; 6. a step; 7. a through hole; 8. a recessed groove; 9. a spacing pin; 10. a cavity; 11. a spring; 12. filleting; 13. a groove; 14. a pressing part; 15. a bar-shaped hard jig.

Detailed Description

Referring to fig. 1-5, a push travel switch includes a housing 1, a micro switch 2 is fixedly disposed in the housing 1, a push piece 3 is disposed in the housing 1 directly above the micro switch 2, an outer side wall of the push piece 3 is vertically and slidably connected with an inner side wall of the housing 1, a sliding groove 4 is transversely disposed on a lower surface of the push piece 3, two ends of the sliding groove 4 extend out of the push piece 3, a sliding block 5 sliding on a length direction line of the sliding groove 4 is disposed in the sliding groove 4, a plurality of steps 6 are sequentially disposed on a lower surface of the sliding block 5 along an axis direction of the sliding groove 4, a height difference between two adjacent steps 6 is 0.1mm, two coaxial through holes 7 are disposed on a side wall of the housing 1, the through holes 7 are coaxial with the sliding groove 4, and a lower surface of the sliding block 5 abuts against a top end of a push portion 14 of the micro switch 2.

In the embodiment, during manufacturing, the height of the pressing part 3 on the housing is directly manufactured within the error range of the whole pressing travel switch according to the process requirements, and then, in the assembling process, no matter what the height value of the pressing part 14 of the micro switch 2 is, the bar-shaped hard jig 15 is inserted into the through hole 7 to push the sliding block 5 to slide, so that the lower surface of the sliding block 5 can be in contact with the upper surface of the pressing part 14 of the micro switch 2 in a normal state, and thus, the relationship between the height error of the pressing part 14 of the micro switch 2 and the height error of the pressing part 3 of the whole travel switch can be adjusted according to actual conditions in the assembling process of the travel switch.

As a preferable mode, a telescopic limiting member is disposed on the pressing member 3 right above the pressing portion 14, a lower end of the telescopic limiting member extends into the sliding groove 4, a recessed groove 8 matched with the telescopic limiting member is disposed on the upper surface of the sliding block 5 at a position corresponding to each step 6, the recessed groove 8 is in a conical shape, and a bottom of the recessed groove 8 is a conical top. Through the flexible locating part that sets up for after promoting sliding block 5 and sliding, the lower extreme of flexible locating part enters into the undercut 8, plays spacing effect to sliding block 5, prevents under the condition that the application of force is not enough to sliding block 5, and sliding block 5 slides, for example say so and lead to sliding block 5 to slide under the condition of rocking or slope casing 1.

As a preferable mode, the lower surface of the telescopic limiting member has a circular arc structure. The circular arc-shaped structure can be matched with the conical shape of the recessed groove 8, so that the telescopic limiting part can easily slide out of the recessed groove 8 under the condition of pushing the sliding block 5.

As a preferable mode, the telescopic limiting part includes a limiting pin 9, the lower end of the limiting pin 9 is matched with the concave groove 8, a cavity 10 is arranged on the lower surface of the pressing part 3 at a position corresponding to the limiting pin 9, the upper section of the limiting pin 9 extends into the cavity 10, and the inner top wall of the cavity 10 is connected with the top end of the limiting pin 9 through a spring 11.

Preferably, the projection of the upper surface of the pressing portion 14 on the lower surface of the pressing piece 3 is within the chute 4.

As a preferable mode, the side wall of the sliding groove is provided with a fillet 12 parallel to the axis of the sliding groove 4, the side wall of the sliding block 5 is provided with a groove 13 connected with the fillet 12 in a sliding manner, and the lower surface of the sliding block 5 is located outside the sliding groove 4. The arrangement is such that, when manufacturing the microswitch 2, the area of the upper surface of the pressing portion 14 does not need to be considered, and only the microswitch 2 can be mounted in the housing 1, and since the lower surface of the slide block 5 is located outside the slide groove 4, the upper surface of the pressing portion 14 of the microswitch 2 can always be in contact with the lower surface of the slide block 5.

A method for adjusting the stroke of the push stroke switch is shown in fig. 5

1) When the height of the pressing part 14 for manufacturing the microswitch is larger than the preset height of the pressing part 14, finding the through hole 7 at one end of the shell 1 with a gap between the lower surface of the sliding block 5 and the upper surface of the pressing part 14 for manufacturing the microswitch 2; then, a strip-shaped hard jig 15 with the cross section area smaller than the area of the through hole 7 is inserted into the through hole 7 facing to one end with a gap between the lower surface of the sliding block 5 and the upper surface of the pressing part 14 of the micro switch 2 to push the sliding block 5 until the sliding block 5 is pushed to a step 6 located right above the pressing part 14 of the micro switch 2 and just contacts with the upper surface of the pressing part 14 of the micro switch 2 in a normal state;

2) When the height of the pressing part 14 for manufacturing the microswitch 2 is less than the preset height of the pressing part 14, finding the through hole 7 at one end with a gap between the lower surface of the shell 1 back to the sliding block 5 and the upper surface of the pressing part 14 of the microswitch 2; then, a strip-shaped hard jig 15 with a cross-sectional area smaller than the area of the through hole is inserted into the through hole 7 facing to one end with a gap between the lower surface of the sliding block 5 and the upper surface of the pressing part 14 of the microswitch 2 to push the sliding block 5 until the sliding block 5 is pushed to the step 6 located right above the pressing part 14 of the microswitch 2 and just contacts with the upper surface of the pressing part 14 of the microswitch 2 in a normal state.

Claims (6)

1. The utility model provides a press travel switch, its characterized in that, includes casing (1), casing (1) internal fixation is equipped with micro-gap switch (2), it is inherent in casing (1) be equipped with pressing piece (3) directly over micro-gap switch (2), the lateral wall of pressing piece (3) with the vertical sliding connection of inside wall of casing (1), transversely be equipped with spout (4) on the lower surface of pressing piece (3), the both ends of spout (4) extend to outside pressing piece (3), be equipped with in spout (4) gliding sliding block (5) on the length direction line of spout (4), follow on the lower surface of sliding block (5) be equipped with a plurality of steps (6) in proper order in the axis direction of spout (4), the difference in height between two adjacent steps (6) is 0.1mm, be equipped with two coaxial through-holes (7) on the lateral wall of casing (1), through-hole (7) with spout (4) are coaxial, the lower surface of sliding block (5) with the top of pressing portion (14) butt of micro-gap switch (2).

2. The push stroke switch according to claim 1, wherein a telescopic limiting member is disposed on the push member (3) directly above the push portion (14), a lower end of the telescopic limiting member extends into the sliding slot (4), a recessed groove (8) is disposed on an upper surface of the sliding block (5) corresponding to each step (6) and engaged with the telescopic limiting member, the recessed groove (8) is in a conical shape, and a bottom of the recessed groove (8) is in a conical top.

3. The push stroke switch of claim 2 wherein the lower surface of the retractable stop is in the shape of a circular arc.

4. The push stroke switch according to claim 2, wherein the telescopic limiting member comprises a limiting pin (9), the lower end of the limiting pin (9) is engaged with the recessed groove (8), a cavity (10) is formed in the lower surface of the push member (3) at a position corresponding to the limiting pin (9), the upper section of the limiting pin (9) extends into the cavity (10), and the top wall of the cavity (10) is connected with the top end of the limiting pin (9) through a spring (11).

5. A push travel switch according to claim 1, characterized in that the projection of the upper surface of the pressing portion (14) onto the lower surface of the push piece (3) is inside the slide groove (4).

6. The push-type travel switch according to claim 1, wherein a rib (12) parallel to the axis of the sliding groove (4) is provided on the side wall of the sliding groove, a groove (13) slidably connected with the rib (12) is provided on the side wall of the sliding block (5), and the lower surface of the sliding block (5) is located outside the sliding groove (4).

Images