CN209766286U - Micro switch - Google Patents

Abstract

the utility model discloses a microswitch, which comprises a push type switch body, wherein the push type switch body comprises a switch shell and a press head extending out of the switch shell, the switch shell is also provided with an outer shell, the outer shell comprises a base and a gland, the base is provided with a containing cavity for containing the switch shell, the gland is arranged on the base, an inserting limit structure is arranged between the switch shell and the base and between the switch shell and the gland, an opening communicated with the accommodating cavity is further formed in the side face of the base, a protruding portion in inserting fit with the opening is correspondingly formed in the switch shell, the pressing head correspondingly extends out of the protruding portion, a groove is further formed in the switch shell, and the groove is adjacent to the convex part, and the base is correspondingly provided with an inserting block which is in inserting fit with the groove. The outer shell is additionally arranged outside the switch body, so that the overall strength of the product is effectively improved.

Description

Micro switch

Technical Field

The utility model relates to a micro-gap switch.

Background

At present, micro-gap switch is mostly the structure of push type, includes switch housing promptly and stretches out the outside press head of switch housing, and the during operation is through pressing the press head to realize micro-gap switch's switch-on. Because most of the existing microswitches are small in size and low in overall strength, the existing microswitches are easy to damage once suffering impact in the using process.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a micro-gap switch that bulk strength is better.

In order to achieve the above object, the present invention provides a micro switch, comprising a push switch body, wherein the push switch body comprises a switch housing and a push head extending out of the switch housing, the switch housing is further provided with an outer housing, the outer housing comprises a base and a gland, the base is provided with a containing cavity for containing the switch housing, the gland is arranged on the base and covers the containing cavity, an inserting limit structure is arranged between the switch housing and the base and between the switch housing and the gland, the side surface of the base is further provided with an opening communicated with the containing cavity, the switch housing is correspondingly provided with a protrusion which is inserted and matched with the opening, the push head correspondingly extends from the protrusion, the switch housing is further provided with a groove, and the groove is arranged adjacent to the protrusion, the base is correspondingly provided with an insertion block which is in insertion fit with the groove.

The utility model has the advantages that: adopt above-mentioned structure, the utility model discloses an add a shell body again outside the switch shell body to this body of forming effective protection to the switch, make its bulk strength better. Simultaneously, constitute grafting complex bulge through setting up on the switch casing with the base opening, and make the press head is followed stretch out on the bulge, not only form further grafting location between switch casing and shell body like this, but also further strengthened the intensity of press head department, make micro-gap switch more durable. In addition, the adjacent position of the protruding part is provided with a groove, and the base is correspondingly provided with an insertion block which is in insertion fit with the groove, so that the pressing position of the microswitch can be positioned more reliably through the insertion fit of the insertion block and the groove, and the microswitch can be pressed and triggered more reliably.

The utility model discloses can further set up to grafting limit structure includes that integrated into one piece is first on switch housing and inserts post and first jack, correspond on the base be provided with first post constitution grafting complex second jack and constitute grafting complex second with first jack and insert the post, correspond on the gland be provided with first post constitution grafting complex third jack and constitute grafting complex third with first jack and insert the post. By adopting the structure, the switch shell can be reliably inserted and positioned with the base and the gland.

The utility model discloses still can further set up to integrated into one piece on the base and have first packing ring, second jack and second are inserted the post and are corresponded the setting on first packing ring, integrated into one piece has the second packing ring on the gland, third jack and third are inserted the post and are corresponded the setting on the second packing ring, the switch casing correspond the centre gripping setting between first packing ring and second packing ring.

The strength of the splicing part of the switch shell and the base can be effectively enhanced by arranging the first gasket and correspondingly arranging the second jack and the second plug post on the first gasket; similarly, the strength of the splicing part of the switch shell and the gland can be effectively enhanced by arranging the second gasket and correspondingly arranging the third jack and the third plug post on the second gasket; simultaneously, the switch casing correspond the centre gripping setting between first packing ring and second packing ring, make switch casing be in a relative unsettled state in the shell body like this to even the shell body intakes, also can effectively avoid water directly to enter into in the switch casing.

The utility model discloses still can further set up to the second and insert the post and the third is inserted the post symmetry and is set up in switch housing's both sides, and second jack and third jack are also symmetrical to be set up in switch housing's both sides. The structure is more symmetrical and reasonable, and the mutual insertion assembly is convenient.

The utility model discloses still can further set up to the press head includes pole portion, pole portion wears to establish on the switch casing, pole portion is provided with on the interior tip that is located the switch casing and prevents the pole portion from the end portion of deviating from in the switch casing, pole portion is worn out and is provided with hemispherical splenium on the outer tip outside the switch casing, and presses splenium to pass through spliced pole and pole portion connection, it is equipped with the gum cover still to overlap in the pole portion, and the interior tip of gum cover penetrates in the switch casing to be provided with the flange that prevents it from deviating from in the switch casing, the flange is fixed with the switch casing is sealed, and the outer tip of gum cover inwards draws in and the joint suit on the spliced pole, still is provided with the. The arrangement enables the pressing head to have better waterproof performance.

The utility model discloses still can further set up to be provided with between gland and the base and constitute each other and peg graft the complex fourth and insert post and fourth jack, post and fourth jack integrated into one piece are on gland and base respectively to the fourth. The shell body is formed by inserting the gland and the base, and is simple in structure and convenient to disassemble and assemble.

Drawings

FIG. 1 is a block diagram of the present invention;

Fig. 2 is an exploded view of the present invention;

FIG. 3 is a structural diagram of the middle gland of the present invention;

FIG. 4 is a structural diagram of the base of the present invention;

Fig. 5 is a structural diagram of the switch body of the present invention;

Fig. 6 is an exploded view of the pressing head of the present invention.

Detailed Description

As shown in fig. 1-6, a micro switch is provided, which comprises a push switch body, the push switch body comprises a switch housing 1 and a pressing head 2 extending out of the switch housing 1, the switch housing 1 is further provided with an outer housing, the outer housing comprises a base 3 and a pressing cover 4, the base 3 is provided with a containing cavity 31 for containing the switch housing 1, the pressing cover 4 is arranged on the base 3 and covers the containing cavity 31, insertion limiting structures are arranged between the switch housing 1 and the base 3 and between the switch housing 1 and the pressing cover 4, the side surface of the base 3 is further provided with an opening 32 communicated with the containing cavity 31, the switch housing 1 is correspondingly provided with a protrusion 11 which is in insertion fit with the opening 32, the pressing head 2 correspondingly extends out of the protrusion 11, the switch housing 1 is further provided with a groove 12, and the groove 12 and the protruding part 11 are arranged adjacently, and the base 3 is correspondingly provided with an inserting block 33 which forms an inserting fit with the groove 12.

Adopt above-mentioned structure, the utility model discloses an add a shell body again outside switch housing 1 to this body of forming effective protection to the switch, make its bulk strength better. Meanwhile, the switch shell 1 is provided with the protruding part 11 which is matched with the base opening 32 in an inserting mode, and the pressing head 2 extends out of the protruding part 11, so that not only is further inserting and positioning formed between the switch shell and the outer shell body, but also the strength of the pressing head 2 is further enhanced, and the micro switch is more durable. In addition, the adjacent position of the protruding part 11 is provided with a groove 12, and the base 3 is correspondingly provided with an insertion block 33 which forms an insertion fit with the groove 12, so that the pressing position of the microswitch can be more reliably positioned through the insertion fit of the insertion block 33 and the groove 12, and the microswitch can be more reliably pressed and triggered.

Grafting limit structure includes integrated into one piece first post 13 and the first jack 14 of inserting on switch housing 1, it forms grafting complex second jack 34 and constitutes grafting complex second with first jack 14 and inserts post 35 to correspond to be provided with on base 3 and insert the first post 13 and constitute, correspond on gland 4 and be provided with and insert the first post 13 and constitute grafting complex third jack 41 and constitute grafting complex third with first jack 14 and insert post 42. By adopting the structure, the switch shell 1 and the base 3 and the gland 4 can be reliably inserted and positioned.

The base 3 is integrally formed with a first gasket 36, the second insertion hole 34 and the second insertion column 35 are correspondingly arranged on the first gasket 36, the gland 4 is integrally formed with a second gasket 43, the third insertion hole 41 and the third insertion column 42 are correspondingly arranged on the second gasket 43, and the switch shell 1 is correspondingly clamped between the first gasket 36 and the second gasket 43.

By arranging the first gasket 36 and correspondingly arranging the second jack 34 and the second plug 35 on the first gasket 36, the strength of the splicing part of the switch shell 1 and the base 3 can be effectively enhanced; similarly, by arranging the second gasket 43 and correspondingly arranging the third insertion hole 41 and the third insertion column 42 on the second gasket 43, the strength of the insertion joint of the switch shell 1 and the gland 4 can be effectively enhanced; meanwhile, the switch shell 1 is correspondingly clamped between the first gasket 36 and the second gasket 43, so that the switch shell 1 is in a relatively suspended state in the outer shell, and even if the outer shell is filled with water, the water can be effectively prevented from directly entering the switch shell.

The second insertion column 35 and the third insertion column 42 are symmetrically arranged on two sides of the switch shell 1, and the second insertion hole 34 and the third insertion hole 41 are also symmetrically arranged on two sides of the switch shell 1. The structure is more symmetrical and reasonable, and the mutual insertion assembly is convenient.

The pressing head 2 comprises a rod part 21, the rod part 21 is arranged on the switch shell 1 in a penetrating mode, a disengagement preventing part 22 for preventing the rod part 21 from disengaging from the switch shell 1 is arranged on the inner end part of the rod part 21, which is located in the switch shell 1, a hemispherical pressing part 23 is arranged on the outer end part of the rod part 21, which penetrates out of the switch shell 1, the pressing part 23 is connected with the rod part 21 through a connecting column 24, a rubber sleeve 5 is further sleeved on the rod part 21, the inner end part of the rubber sleeve 5 penetrates into the switch shell 1 and is provided with a flange 51 for preventing the rubber sleeve from disengaging from the switch shell 1, the flange 51 is fixed with the switch shell 1 in a sealing mode, the outer end part of the rubber sleeve 5 is inwardly folded and is sleeved on the connecting column 24 in a clamping mode. This arrangement allows the pressing head 2 to have a better waterproof performance.

A fourth inserting column 44 and a fourth inserting hole 37 which mutually form inserting matching are arranged between the gland 4 and the base 3, and the fourth inserting column 44 and the fourth inserting hole 37 are respectively and integrally formed on the gland 4 and the base 3. The shell body is formed by inserting the gland 4 and the base 3, and has simple structure and convenient assembly and disassembly.

Claims (6)

1. The utility model provides a micro-gap switch, includes the push type switch body, the push type switch body includes switch housing and the press head of stretching out outside the switch housing, its characterized in that: the switch shell body still is provided with the shell body outward, the shell body includes base and gland, be provided with the chamber that holds that is used for holding switch shell on the base, the gland is installed on the base, and it is right to constitute hold covering of chamber, all be provided with grafting limit structure between switch shell and the base and between switch shell and the gland, still seted up on the side of base with hold the opening that the chamber keeps the intercommunication, correspond on the switch shell be equipped with the opening constitutes grafting complex bulge, the pressure head is corresponding to be followed stretch out on the bulge, still seted up the recess on the switch shell, just the recess with the bulge adjacent setting, correspond on the base be provided with the recess constitutes grafting complex inserted block.

2. A microswitch as in claim 1 wherein: the grafting limit structure includes integrated into one piece first post and the first jack of inserting on switch housing, it constitutes grafting complex second jack and constitutes grafting complex second with first jack to correspond to be provided with on the base and insert the post with first post, correspond on the gland be provided with first post constitution of inserting and peg graft complex third jack and constitute grafting complex third with first jack and insert the post.

3. A microswitch according to claim 2 wherein: integrated into one piece has first packing ring on the base, second jack and second are inserted the post and are corresponded the setting on first packing ring, integrated into one piece has the second packing ring on the gland, third jack and third are inserted the post and are corresponded the setting on the second packing ring, the switch casing correspond the centre gripping setting between first packing ring and second packing ring.

4. A microswitch according to claim 2 or 3, wherein: the second insert column and the third insert column are symmetrically arranged on two sides of the switch shell, and the second jack and the third jack are also symmetrically arranged on two sides of the switch shell.

5. A microswitch according to claim 1, 2 or 3, wherein: the pressing head comprises a rod part, the rod part is arranged on the switch shell in a penetrating mode, a release stopping part for preventing the rod part from being released from the switch shell is arranged on the inner end part of the rod part in the switch shell, a hemispherical pressing part is arranged on the outer end part of the rod part, penetrating out of the switch shell, and is connected with the rod part through a connecting column, a rubber sleeve is further sleeved on the rod part, the inner end part of the rubber sleeve penetrates into the switch shell and is provided with a flange for preventing the rubber sleeve from being released from the switch shell, the flange is fixed with the switch shell in a sealing mode, the outer end part of the rubber sleeve is inwards folded and clamped and sleeved on the connecting column, and.

6. a microswitch according to claim 1, 2 or 3, wherein: the gland is provided with the fourth that constitutes each other between the gland and the base and inserts post and fourth jack in the grafting cooperation, post and fourth jack are inserted to the fourth integrated into one piece respectively on gland and base.