CN218101054U

CN218101054U - Sealed large-stroke sliding switch

Info

Publication number: CN218101054U
Application number: CN202222151869.9U
Authority: CN
Inventors: 宋明华; 刘二军; 马家骏
Original assignee: Huizhou Greetech Electronics Co ltd
Current assignee: Huizhou Greetech Electronics Co ltd
Priority date: 2022-08-16
Filing date: 2022-08-16
Publication date: 2022-12-20
Anticipated expiration: 2032-08-16

Abstract

The utility model discloses a big stroke slidingtype switch of canned type, the on-line screen storage device comprises a base, a housin, according to sincere, press young and spring, the base is equipped with common terminal, normally closed terminal and normally open terminal, the casing closes with the base lid, press according to sincere including pressing the briquetting and pressing the post, press the post to run through the casing and outwards extend, press the briquetting and then arrange airtight space in, and set up the mounting groove on pressing the briquetting, set up the reference column in the mounting groove, the both sides lateral wall is equipped with spacing fixture block, press young locating the mounting groove, and be equipped with the locating hole, press young both ends to be equipped with clamping part, wherein the clamping part and the common terminal centre gripping of one end, the clamping part of the other end then centre gripping in normally closed terminal or normally open terminal, airtight space is arranged in to the spring, both ends respectively the butt in pressing sincerely and base. The utility model discloses a press from both sides young formula structure to it is more convenient when assembling to make the switch, and presss from both sides young and public terminal, normally closed terminal and normally open the stability between the terminal better, realizes the waterproof performance of switch through seal ring sum sealing cap simultaneously.

Description

Sealed large-stroke sliding switch

Technical Field

The utility model relates to the technical field of switches, in particular to big stroke slidingtype switch of canned type.

Background

The microswitch is a contact mechanism which uses a specified stroke and a specified force to perform switching action, is covered by a shell, and is provided with a driving rod outside.

The existing clip type switch has more assembling parts and is more complicated in assembling, so that the assembled clip type switch has a complex structure and general stability, and the waterproof performance of the switch is generally realized by using a glue tank glue mode; in addition, when the existing clip type switch is assembled, the shell and the holder are generally assembled and then the terminal assembly is inserted, so that when the terminal assembly is inserted, the components inside the clip type switch are easily damaged, and therefore, the structure of the clip is optimized aiming at the problem that the clip is easy to deform when the switch is assembled.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stable good, the assembly of being convenient for, and the big stroke sliding switch of canned type that waterproof performance is good.

For solving the above technical problem, the utility model discloses can adopt following technical scheme to realize:

a sealed-type large-stroke slide switch comprising:

the base is provided with a common terminal, a normally closed terminal and a normally open terminal;

the shell is covered with the base to form a closed space;

the pressing core comprises a pressing block and a pressing column connected with the pressing block, the pressing column penetrates through the shell and extends outwards, the pressing block is arranged in the closed space, an installation groove is formed in the pressing block, a positioning column is arranged in the installation groove, and limiting clamping blocks are arranged on the side walls of the two sides of the installation groove;

a clip, which is arranged in the mounting groove, the middle part of the clip is provided with a positioning hole corresponding to the positioning column, the two ends of the clip are provided with clamping parts, the clamping part at one end is clamped with the common terminal, and the clamping part at the other end is clamped with the normally closed terminal or the normally open terminal;

and the spring is arranged in the closed space, and two ends of the spring are respectively abutted against the pressing part and the base.

In one embodiment, a sealing washer is arranged between the base and the shell, the sealing washer is sleeved on the base, a sealing convex rib is arranged on the inner side of the shell, and the sealing convex rib presses the sealing washer between the shell and the base after the shell and the base are closed.

In one embodiment, one end of the pressing column extending outwards is provided with a sealing cap, one end of the sealing cap is clamped and sealed with the pressing column, and the other end of the sealing cap is hot-riveted and sealed with the shell.

In one embodiment, after the clip is assembled in the mounting groove through the positioning hole and the positioning column, the limiting clamping blocks on the side walls of the two sides of the mounting groove limit the bottom of the side wall of the clip, so that the clip is fixed in the mounting groove.

In one embodiment, a buckle is arranged on the side wall of the base, a bayonet corresponding to the buckle is arranged on the side wall of the shell, and the buckle is clamped into the bayonet so that the base is connected with the shell in a clamping manner.

In one embodiment, the base further has a limiting post, the pressing block has a limiting groove, one end of the spring is sleeved on the limiting post, and the other end of the spring is disposed in the limiting groove.

In one embodiment, the public terminal, the normally closed terminal and the normally open terminal are mounted on the base by adopting a plastic-coated process or a terminal inserting process, one end of the public terminal, one end of the normally closed terminal and one end of the normally open terminal are arranged in the closed space, the other end of the public terminal, the normally closed terminal and the normally open terminal extend towards the outside of the base, and an insulating part is arranged between the normally closed terminal and the normally open terminal.

Has the beneficial effects that:

1. the clamp is convenient to assemble and good in stability, the mounting groove is formed in the pressing block, the positioning column and the limiting clamping block are arranged in the mounting groove, in addition, the positioning hole is formed in the middle of the clamp, the positioning hole is sleeved into the positioning column, and the limiting clamping block is used for clamping and limiting the bottom of the clamp, so that the clamp is assembled in the mounting groove;

2. waterproof performance is good, sets up seal ring between base and casing, through the inseparable lock between base and the casing, extrudees seal ring to this realizes sealed between base and the casing, and presses the sealed cap on the post then and the casing between adopt the rivet hot to seal, finally, can realize the sealed of switch, and make the waterproof performance of switch better.

Drawings

Fig. 1 is an exploded view of the sealed large-stroke sliding switch of the present invention;

fig. 2 is a sectional view of the sealed-type large-stroke sliding switch of the present invention;

fig. 3 is a schematic view of a base structure of the sealed large-stroke sliding switch of the present invention;

fig. 4 is a schematic view of a pressing structure of the sealed large-stroke sliding switch of the present invention;

fig. 5 is a schematic view of the clip structure of the sealed large-stroke sliding switch of the present invention;

fig. 6 is a schematic view of a housing structure of the sealed large-stroke sliding switch of the present invention.

As shown in the attached drawings:

100. a base; 110. a common terminal; 120. a normally closed terminal; 130. a normally open terminal; 140. buckling; 150. a limiting column; 160. an insulating section;

200. a housing; 210. sealing the convex rib; 220. a bayonet;

300. pressing; 310. pressing the block; 311. mounting grooves; 312. a positioning column; 313. a limiting clamping block; 314. a limiting groove; 320. pressing the column;

400. clamping the young; 410. positioning holes; 420. a clamping portion;

500. a spring;

600. a sealing gasket;

700. and (5) sealing the cap.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 5, a sealed type large-stroke sliding switch includes:

a base 100, said base 100 is provided with a common terminal 110, a normally closed terminal 120 and a normally open terminal 130;

a housing 200, wherein the housing 200 is covered with the base 100 to form a closed space;

the pressing part 300 comprises a pressing block 310 and a pressing column 320 connected with the pressing block 310, the pressing column 320 penetrates through the shell 200 and extends outwards, the pressing block 310 is arranged in the closed space, an installation groove 311 is formed in the pressing block 310, a positioning column 312 is arranged in the installation groove 311, and limiting clamping blocks 313 are arranged on the side walls of the two sides of the installation groove 311;

the clamp 400 is arranged in the mounting groove 311, a positioning hole 410 corresponding to the positioning column 312 is arranged in the middle of the clamp 400, clamping parts 420 are arranged at two ends of the clamp 400, the clamping part 420 at one end is clamped with the common terminal 130, and the clamping part 420 at the other end is clamped with the normally closed terminal 120 or the normally open terminal 130; and

and the spring 500 is arranged in the closed space, and two ends of the spring 500 are respectively abutted against the pressing part 300 and the base 100.

Specifically, the embodiment is to stabilize the structure of the switch, therefore, the mounting groove 311 is disposed on the pressing block 310 according to the mechanochemical 300, and the positioning column 312 is disposed in the mounting groove 311, the two side walls are disposed with the limiting fixture block 313, meanwhile, the positioning hole 410 is disposed in the middle of the clip 400, when the clip 400 is assembled with the mechanochemical 300, the positioning hole 410 of the clip 400 is sleeved into the positioning column 312 of the mounting groove 311, meanwhile, the clip 400 has elasticity, and both sides of the clip can be tightly attached to the side walls of both sides of the mounting groove 311, and the bottoms of both sides of the clip 400 are clamped and limited by the limiting fixture block 313, so that the stability of the clip 400 is better after the assembly, and the clip is not easy to move, and is not easy to deform, when the assembly of the clip 400 with the clip 300 is completed, the clip is assembled with the housing 200, and finally the base 100 is inserted into the housing 200, the assembly of the switch is completed, because the clip structure is adopted, and the stability of the clip 400 is good, thereby the base 100 is more convenient when being inserted, and the mechanical automatic assembly can be realized.

Referring to fig. 1 and 2, since the switch of the embodiment has various applications, the interior of the switch needs to be sealed and waterproof, so that a sealing gasket 600 is disposed between the base 100 and the housing 200, the sealing gasket 600 is sleeved on the base 100, a sealing rib 210 is disposed on the inner side of the housing 200, after the housing 200 is covered with the base 100, the sealing rib 210 compresses the sealing gasket 600 between the housing 200 and the base 100, of course, the housing 200 is more tightly covered with the base 100, and the sealing rib 210 compresses the sealing gasket 600 more tightly, so that the sealing effect of the sealing gasket 600 is better.

Of course, the sealing gasket 600 can only seal between the base 100 and the housing 200, but the pressing post 320 needs to penetrate through the top of the housing 200, so that it needs to be sealed, in this embodiment, a sealing cap 700 is disposed at the end of the pressing post 320 extending outward, one end of the sealing cap 700 is clamped with the pressing post 320, the other end is hot-riveted with the housing 200, the two ends of the sealing cap 700 are sealed respectively, so as to achieve the sealing between the pressing post 320 and the housing 200, and the hot-riveting process can make the sealing performance between the pressing post 320 and the housing 200 better.

In addition, referring to fig. 4 and 5, for the convenience of assembling the switch, after the clip 400 is assembled in the mounting groove 311 through the positioning hole 410 and the positioning post 312, the position limiting clamping blocks 313 of the side walls of the mounting groove 311 limit the bottom of the side wall of the clip 400, so that the clip 400 is fixed in the mounting groove 311, thereby improving the stability between the clip 400 and the pressing part 300, and simultaneously, facilitating the assembly between the clip 400 and the pressing part 300.

Referring to fig. 3 and 6, in order to facilitate the assembly and disassembly of the base 100 and the housing 200, in the embodiment, the sidewall of the base 100 is provided with the clip 140, and meanwhile, the sidewall of the housing 200 is provided with the bayonet 220 corresponding to the clip 140, when the housing 200 and the base 100 are assembled, the base 100 is directly inserted into the housing 200, and the clip 140 is clipped into the bayonet 220, so that the base 100 and the housing 200 are connected by being fastened, the assembly between the base 100 and the housing 200 is more convenient, and the switch is convenient to maintain in the later period.

The tighter the engagement between the base 100 and the housing 200 is, the tighter the pressing of the sealing gasket 600 is, so that the sealing effect of the sealing gasket 600 is better.

Referring to fig. 3 and 4, in order to make the overall structure of the switch simple and reasonable in design, the base 100 is further provided with a limiting post 150, the pressing block 310 is provided with a limiting groove 314, one end of the spring 500 is sleeved on the limiting post 150, and the other end of the spring is placed in the limiting groove 314, so that the spring 500 can be limited, and the switch is more reasonable in use.

Finally, referring to fig. 2 and fig. 3, since one end of the common terminal 110, the normally closed terminal 120 and the normally open terminal 130 penetrates through the base 100, and therefore, a sealing process is also required, in this embodiment, the common terminal 110, the normally closed terminal 120 and the normally open terminal 130 are mounted on the base 100 by a plastic-covering process or a terminal-inserting process, so as to seal the common terminal 110, the normally closed terminal 120 and the normally open terminal 130 with the base 100, so that the switch is integrally waterproof and has good waterproof performance.

In order to ensure the normal operation of the switch, one end of the common terminal 110, one end of the normally closed terminal 120 and one end of the normally open terminal 130 are arranged in the closed space, the other end of the common terminal 110, the normally closed terminal 120 and the normally open terminal 130 are extended, and an insulating part 160 is arranged between the normally closed terminal 120 and the normally open terminal 130, when the switch is in an initial state, the clamping part 420 at one end of the clamp 400 is clamped with the common terminal 110, and the other end of the clamp is clamped with the normally closed terminal 120, when the press 300 is pressed, the press 300 drives the clamp 400 to move downwards, the clamping part 420 at one end of the clamp 400 continues to clamp the common terminal 110, and the clamping part 420 at the other end moves downwards and passes through the insulating part 160 to clamp the normally open terminal 130, so that the switching of signals is realized, and finally, the overall design of the switch is reasonable.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above. All the technicians in the field can smoothly implement the utility model according to the drawings and the above description; however, those skilled in the art should understand that the equivalent embodiments of the present invention are equivalent embodiments of the present invention, and that the changes, modifications and evolutions made by the above-disclosed technical contents are not departed from the technical scope of the present invention; meanwhile, any changes, modifications, evolutions, etc. of equivalent changes made to the above embodiments according to the essential technology of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims

1. A sealed-type large-stroke slide switch, comprising:

the shell is covered with the base to form a closed space;

the clamping ring is arranged in the mounting groove, a positioning hole corresponding to the positioning column is formed in the middle of the clamping ring, clamping parts are arranged at two ends of the clamping ring, the clamping part at one end is clamped with the common terminal, and the clamping part at the other end is clamped with the normally closed terminal or the normally open terminal;

2. The sealed-type large-stroke slide switch according to claim 1, wherein: a sealing washer is arranged between the base and the shell, the sealing washer is sleeved on the base, a sealing convex rib is arranged on the inner side of the shell, and the sealing convex rib presses the sealing washer between the shell and the base after the shell and the base are covered.

3. The sealed-type large-stroke slide switch according to claim 1, wherein: and one end of the pressing column extending outwards is provided with a sealing cap, one end of the sealing cap is sealed with the clamping hoop of the pressing column, and the other end of the sealing cap is sealed with the shell through hot riveting.

4. The sealed-type large-stroke slide switch according to claim 1, wherein: after the clamp is assembled in the mounting groove through the positioning hole and the positioning column, the limiting clamping blocks on the side walls of the two sides of the mounting groove limit the bottom of the side wall of the clamp, so that the clamp is fixed in the mounting groove.

5. The sealed-type large-stroke slide switch according to claim 1, wherein: the lateral wall of base is equipped with the buckle to set up the bayonet socket that corresponds with the buckle at the lateral wall of casing, block the buckle into to the bayonet socket, make base and casing block be connected.

6. The sealed-type large-stroke slide switch according to claim 1, wherein: the base is further provided with a limiting column, a limiting groove is formed in the pressing block, one end of the spring is sleeved on the limiting column, and the other end of the spring is arranged in the limiting groove.

7. The sealed-type large-stroke slide switch according to claim 1, wherein: the public terminal, the normally closed terminal and the normally open terminal are installed on the base through a plastic coating process or an insert terminal process, one end of the public terminal, one end of the normally closed terminal and one end of the normally open terminal are arranged in the closed space, the other end of the public terminal, the normally closed terminal and the normally open terminal extend to the outside of the base, and an insulating part is arranged between the normally closed terminal and the normally open terminal.