CN212848137U

CN212848137U - Small thin microswitch

Info

Publication number: CN212848137U
Application number: CN202021814175.3U
Authority: CN
Inventors: 鲁文杰; 包晨阳; 姚欣; 郭兴生; 方志俭
Original assignee: Southeast Electronics Co ltd
Current assignee: Southeast Electronics Co ltd
Priority date: 2020-08-26
Filing date: 2020-08-26
Publication date: 2021-03-30
Anticipated expiration: 2030-08-26
Also published as: CN212848137U8

Abstract

The utility model discloses a little slim micro-gap switch, which comprises a housin, press the briquetting, be provided with two movable contact spring in the casing, two movable contact spring divide establish in the both sides of pressing the briquetting, the one end of two movable contact spring all with press the briquetting internal phase fixed, and this end of two movable contact spring is connected each other to form the electricity, the other end of two movable contact spring all buckles and is formed elasticity butt portion, the other end cartridge of casing has two static contact, two static contact divide and establish in the both sides of pressing the briquetting, the elasticity butt portion and one of them static contact of one of them movable contact spring remain the contact throughout, the elasticity butt portion of another movable contact spring forms the contact with another static contact after being inwards pressed the briquetting, be provided with between the inner of pressing the briquetting and the casing and make the spring that the elasticity butt portion and another static contact of another movable contact kept the separation of pressing the briquetting to the casing external. Adopt above-mentioned structure, the utility model discloses compare in traditional structure can be more miniaturized, thickness also can be done thinner, and simple structure, the operation is reliable and stable.

Description

Small thin microswitch

Technical Field

The utility model relates to a micro-gap switch.

Background

At present, the movable contact and the fixed contact in the microswitch are usually switched on and off through a structure similar to the swing of a seesaw, so that a shell of the microswitch needs to have enough swing space, the internal structure of the microswitch is relatively complex, and the product cannot be thinned.

SUMMERY OF THE UTILITY MODEL

To prior art not enough, the utility model provides a little slim micro-gap switch, it compares in traditional structure can be more miniaturized, and thickness also can be done thinner, and simple structure, the operation is reliable and stable.

In order to realize the above object, the utility model provides a little slim micro-gap switch, including the casing, press the piece, the one end of casing is seted up and is supplied to press the through-hole that the piece outer end was worn out, presses the inner of piece to be located the casing, and be provided with restriction it and pass through the bulge of through-hole is provided with two movable contact pieces in the casing, and two movable contact pieces divide to be established in the both sides of pressing the piece, and the one end of two movable contact pieces all is fixed with the piece inner end of pressing, and this end of two movable contact pieces forms the electricity and connects each other, and the other end of two movable contact pieces all buckles and is formed elastic butt portion, and the other end cartridge of casing has two static contact pieces, and two static contact piece divide to be established in the both sides of pressing the piece, and one of them movable contact piece elastic butt portion and one of them static contact piece remain the contact throughout, and another static contact piece is pressed to be pressed after pressing the piece inwards to press the A spring in which the elastic abutting portion is kept separate from the other stationary contact.

The utility model has the advantages that: by adopting the structure, one movable contact piece is always in contact with one static contact piece, and the other movable contact piece is in contact with the other static contact piece after the pressing block is pressed inwards; when the pressing block is released, the other movable contact piece is separated from the other static contact piece under the action of the spring, so that the on-off of the microswitch is realized. Because two static contacts and two movable contact are equallyd divide and are established in pressing the briquetting both sides, and just can realize micro-gap switch's break-make through the sharp of pressing the briquetting, consequently compare in traditional structure, its inner structure is more simplified and compact, and does not need the swing space, and the product can be more miniaturized, and the thickness of casing inside also is the thickness of pressing the briquetting usually, and therefore the thickness of product also can be done is thinner. In addition, compare in traditional structure, the utility model discloses simple structure, and the operation is got up reliable and stable.

The utility model discloses can further set up to the movable contact spring includes basal portion and U-shaped portion, the basal portion is fixed on pressing the briquetting, and the basal portion on the movable contact spring of both sides links into an integrated entity, and U-shaped portion is the slope setting, and the bottom of U-shaped portion is connected with the basal portion, and the open end tip of U-shaped portion forms the arc bending segment, the arc bending segment constitutes elasticity butt portion. By adopting the structure, the movable contact piece can be abutted against the static contact piece in an elastic mode, so that the movable contact piece and the static contact piece are more reliably connected.

The utility model discloses still can further set up to correspond on the casing and be formed with and constitute grafting complex slot with the static contact, set up flutedly on the side of slot, be provided with elastic block and stopper in the recess, the elastic block clamp is established between stopper and grooved underside, is provided with outside convex lug on the stopper, and the confession has been seted up to correspondence on the static contact the lug inlays male spacing groove. By adopting the structure, when the static contact piece is inserted into the shell, the fixed contact piece can be firmly and reliably limited and fixed.

The utility model discloses still can further set up to have a plurality of lugs for linear equipartition on the stopper, correspond every lug on the static contact and all be provided with one and supply it to inlay male spacing groove. Thus, the connection is more reliable.

The utility model discloses still can further set up as set up and supply the partly male inserting groove of elastic block on the stopper, and the both sides of inserting groove are provided with and insert reference column in the elastic block. The elastic block and the limiting block can be better combined together through the arrangement.

The utility model discloses still can further set up to be provided with the projection on the inner of pressing the briquetting, a pot head of spring is established on the projection, be formed with the constant head tank that constitutes the location to the spring other end in the casing. By the arrangement, the spring can be better positioned, so that the operation is more stable and reliable.

The utility model discloses still can further set up to the casing includes base and apron, is provided with the joint piece on the base, correspond on the apron seted up with the joint piece constitutes joint complex buckle, is formed with the cavity on the base, and according to the inner of pressing the piece and the movable contact spring all is located the cavity, and the apron lid dress is in on the base, and it is right to constitute the closure of cavity, correspond on the apron be provided with the cavity constitutes grafting complex grafting piece, be formed with on the grafting piece with constitute grafting cooperation and make according to the inner spout that the straight line slided in it of pressing the piece according to pressing the inner of pressing the piece. The shell is formed by splicing the base and the cover plate, and is simple in structure and convenient to assemble. Meanwhile, the base and the cover plate can be further positioned through the insertion matching of the insertion block and the concave cavity, so that the structure is more reliable; in addition, through form the spout that supplies to press the straight line of briquetting and slide on the plug-in block, can play direction and limiting displacement to the process of pressing according to the briquetting like this to effectively ensure to press the briquetting and remove smoothly and reliably.

Drawings

Fig. 1 is a perspective view of the present invention;

FIG. 2 is a perspective view of the present invention with the cover removed;

FIG. 3 is a front view of the present invention with the cover removed;

FIG. 4 is an enlarged view of portion A of FIG. 3;

FIG. 5 is a partial view of the structure of the present invention;

fig. 6 is a structural view of the pressing block of the present invention.

Detailed Description

As shown in figures 1-6, a small thin type microswitch is provided, comprising a shell 1, a press block 2, one end of the shell 1 is provided with a through hole 11 for the outer end of the press block 2 to penetrate through, the inner end of the press block 2 is arranged in the shell 1 and is provided with a bulge 21 for limiting the press block to pass through the through hole 11, two movable contacts 3 are arranged in the shell 1, the two movable contacts 3 are respectively arranged at two sides of the press block 2, one end of each movable contact 3 is fixed with the inner end of the press block 2, the ends of the two movable contacts 3 are mutually and electrically connected, the other ends of the two movable contacts 3 are respectively bent to form an elastic abutting part 31, the other end of the shell 1 is inserted with two static contacts 4, the two static contacts 4 are respectively arranged at two sides of the press block 2, the elastic abutting part 31 of one movable contact 3 is always contacted with one static contact 4, the elastic abutting part 31 of the other movable contact 3 is contacted with the other static contact 4 after the press block 2, a spring 5 which urges the pressing block 2 to extend out of the housing 1 and keeps the elastic abutting part 31 of the other movable contact piece 3 separated from the other fixed contact piece 4 is arranged between the inner end of the pressing block 2 and the housing 1.

With the structure, one movable contact piece 3 is always contacted with one static contact piece 4, and the other movable contact piece 3 is contacted with the other static contact piece 4 after the pressing block 2 is pressed inwards; when the pressing block 2 is released from pressing, the other movable contact piece 3 is separated from the other static contact piece 4 under the action of the spring 5, so that the on-off of the microswitch is realized. Because two static contact 4 and two movable contact 3 are equallyd divide and are established in pressing the briquetting 2 both sides, and just can realize micro-gap switch's break-make through the straight line of pressing briquetting 2, consequently compare in traditional structure, its inner structure is more compact, and does not need the swing space, and the product can be more miniaturized, and the thickness of casing 1 inside also is the thickness of pressing briquetting 2 usually simultaneously, and therefore the thickness of product also can be done is thinner. In addition, compare in traditional structure, the utility model discloses simple structure, and the operation is got up reliable and stable.

The utility model discloses can further set up as movable contact spring 3 includes basal portion 33 and U-shaped portion 32, basal portion 33 is fixed on pressing the briquetting 2, and the basal portion 33 on the movable contact spring 3 of both sides links into an integrated entity, and U-shaped portion 32 is the slope setting, and the bottom of U-shaped portion 32 is connected with basal portion 33, and the open end tip of U-shaped portion 32 forms the arc bending section, the arc bending section constitutes elasticity butt portion 31. By adopting the structure, the movable contact piece 3 can be abutted against the static contact piece 4 in an elastic mode, so that the connection between the movable contact piece and the static contact piece is more reliable.

The utility model discloses still can further set up to correspond on the casing 1 and be formed with and constitute grafting complex slot 12 with static contact 4, set up recess 13 on the side of slot 12, be provided with elastic block 6 and stopper 7 in the recess 13, elastic block 6 presss from both sides and establishes between stopper 7 and recess 13 bottom surface, is provided with outside convex lug 71 on the stopper 7, and the confession has been seted up to the correspondence on the static contact 4 lug 71 inlays male spacing groove 41. By adopting the structure, when the static contact piece 4 is inserted into the shell 1, firm and reliable limiting and fixing can be formed.

The utility model discloses still can further set up to linear equipartition on the stopper 7 and have a plurality of lugs 71, correspond every lug 71 on the static contact 4 and all be provided with one and supply it to inlay male spacing groove 41. Thus, the connection is more reliable.

The utility model discloses still can further set up as set up and supply 6 partly male inserting groove 72 of elastic block on the stopper 7, and inserting groove 72's both sides are provided with and insert reference column 73 in the elastic block 6. The arrangement is such that the elastic block 6 and the limiting block 7 can be better combined together.

The utility model discloses still can further set up to be provided with projection 22 on pressing the inner of briquetting 2, a pot head of spring 5 is established on projection 22, be formed with in the casing 1 and constitute the constant head tank 14 of location to the spring 5 other end. With this arrangement, the spring 5 can be positioned better, and thus operates more stably and reliably.

The utility model discloses still can further set up as casing 1 includes base 15 and apron 16, is provided with joint piece 151 on the base 15, on the apron 16 correspond seted up with joint piece 151 constitutes joint complex buckle 161, is formed with cavity 152 on the base 15, presses inner and the movable contact spring 3 of briquetting 2 and all is located

cavity

152, and 16 lid dress of apron is in on the base 15, and it is right to constitute the closure of cavity 152, on the apron 16 correspond be provided with cavity 152 constitutes grafting complex grafting piece 162, be formed with on the grafting piece 162 with constitute grafting cooperation and make according to briquetting 2 the inner spout 163 that slides at its inner straight line of briquetting 2. With the arrangement, the shell 1 is formed by splicing the base 15 and the cover plate 16, and has a simple structure and convenient assembly. Meanwhile, the base 15 and the cover plate 16 can be further positioned through the insertion fit of the insertion block 162 and the cavity 152, so that the structure is more reliable; in addition, the sliding groove 163 for the linear sliding of the pressing block 2 is formed on the inserting block 162, so that the guiding and limiting effects can be achieved in the pressing process of the pressing block 2, and the smooth and reliable movement of the pressing block 2 is effectively ensured.

Claims

1. The utility model provides a little slim micro-gap switch, includes the casing, presses the briquetting, the one end of casing is seted up and is supplied to press the through-hole that the briquetting outer end was worn out, presses the inner of briquetting to be located the casing to be provided with restriction it and pass through the bulge of through-hole, its characterized in that: the shell is internally provided with two movable contact pieces which are respectively arranged at two sides of the pressing block, one ends of the two movable contact pieces are fixed with the inner end of the pressing block, the ends of the two movable contact pieces are mutually electrically connected, the other ends of the two movable contact pieces are bent to form an elastic abutting part, the other end of the shell is inserted with two static contact pieces which are respectively arranged at two sides of the pressing block, the elastic abutting part of one movable contact piece is always in contact with one of the static contact pieces, the elastic abutting part of the other movable contact piece is in contact with the other static contact piece after the pressing block is inwards pressed, and a spring which can make the pressing block extend out of the shell and keep the elastic abutting part of the other movable contact piece separated from the other static contact piece is arranged between the inner end of the pressing block and the shell.

2. A small thin microswitch as in claim 1, wherein: the movable contact spring comprises a base part and a U-shaped part, the base part is fixed on the pressing block, the base parts on the movable contact springs on the two sides are connected into a whole, the U-shaped part is obliquely arranged, the bottom end of the U-shaped part is connected with the base part, the end part of the opening end of the U-shaped part forms an arc bending section, and the arc bending section forms the elastic abutting part.

3. A small thin microswitch as in claim 1, wherein: the shell is correspondingly provided with a slot which is in inserting fit with the static contact piece, a groove is formed in the side face of the slot, an elastic block and a limiting block are arranged in the groove, the elastic block is clamped between the limiting block and the bottom face of the groove, an outward convex lug is arranged on the limiting block, and a limiting groove for the lug to be inserted is correspondingly formed in the static contact piece.

4. A small thin microswitch according to claim 3, wherein: a plurality of convex blocks are uniformly distributed on the limiting block in a linear mode, and a limiting groove for the convex blocks to be inserted is formed in the static contact piece corresponding to each convex block.

5. A small thin microswitch according to claim 3, wherein: the limiting block is provided with an inserting groove for partially inserting the elastic block, and positioning columns inserted into the elastic block are arranged on two sides of the inserting groove.

6. A small thin microswitch as in claim 1, wherein: the inner end of the pressing block is provided with a convex column, one end of the spring is sleeved on the convex column, and a positioning groove for positioning the other end of the spring is formed in the shell.

7. A small low profile microswitch as in claim 1 or 2 or 3 or 4 or 5 or 6 wherein: the casing includes base and apron, is provided with the joint piece on the base, correspond on the apron seted up with the joint piece constitutes joint complex buckle, is formed with the cavity on the base, presses the inner of pressing the piece and the movable contact spring all is located the cavity, and the apron lid dress is in on the base, and it is right to constitute the closure of cavity, correspond on the apron be provided with the cavity constitutes grafting complex grafting piece, be formed with on the grafting piece with constitute grafting cooperation and make according to the inner spout that slides of pressing the piece at its internal straight line of pressing according to pressing the piece.