CN209675155U - A kind of snap-type limit switch - Google Patents
A kind of snap-type limit switch Download PDFInfo
- Publication number
- CN209675155U CN209675155U CN201920856797.3U CN201920856797U CN209675155U CN 209675155 U CN209675155 U CN 209675155U CN 201920856797 U CN201920856797 U CN 201920856797U CN 209675155 U CN209675155 U CN 209675155U
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- China
- Prior art keywords
- shell
- spring
- slide
- inner core
- snap
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Abstract
The utility model relates to switching technique fields, specifically disclose a kind of snap-type limit switch, including shell, actuating mechanism and operating mechanism, casting glue is filled in shell, actuating mechanism includes inner core shell, slide, sliding block, spring assembly, movable contact spring and static contact, and inner core shell is fixed inside the shell, slide is slidably arranged in the bottom of inner core shell, spring assembly and sliding block are arranged on slide, and movable contact spring is arranged on the slide block, and static contact is fixed on the end of inner core shell.The utility model snap-type limit switch structure is compact, arrangement is reasonable, spring assembly is arranged in the both ends of slide, contact of the switch movable contact piece with static contact is realized by the mobile drive spring assembly movement of sliding block, slide and sliding block slide smooth no Caton, in addition it is filled with casting glue inside the shell, operating mechanism and actuating mechanism are sealed using gasket, improve the sealing performance and waterproofing grade of switch, make to switch more secure and reliable.
Description
Technical field
The utility model belongs to switching technique field, specifically a kind of snap-type limit switch.
Background technique
Quick action type limit switch refers to the speed that the conversion time of switch contact element switches and disjunction and switch are operated
It is unrelated, as long as switch actuating component, by actuating to certain position, switch just occurs to connect the switching with break contact element.It is existing
Limit switch in technology makes interiors of products that can not accomplish to be fully sealed, in rugged environment due to the requirement to link inside and outside it
Under the conditions of, it is easy to appear and botches routines；And under the conditions of vibration, impact, drive system inevitably makes contact system
At influence, be easy to appear because drive part shake caused by contact shake, cause performance unstable, and be unable to reach waterproof
Class requirement.
Utility model content
The purpose of the utility model is to provide a kind of snap-type limit switch, movement structure is novel, sensitive, using filling out
Sealing and sealing ring are charged, guarantees the sealing performance of switch, to reach higher waterproofing grade.
In order to solve the above technical problems, the utility model provides a kind of snap-type limit switch, including shell, movement machine
Structure and operating mechanism, the actuating mechanism are mounted in the shell, and the operating mechanism is connect with the actuating mechanism, described
Fill casting glue in shell, the actuating mechanism includes inner core shell, slide, sliding block, spring assembly, movable contact spring and static contact,
The inner core shell is fixed in the shell, and the slide is slidably arranged in the bottom of the inner core shell, the groups of springs
Part and sliding block are arranged on the slide, and on the slide block, the static contact is fixed on the inner core for the movable contact spring setting
The end of shell；
The spring assembly is equipped with two groups, and two groups of spring assemblies are symmetricly set on the two sides of the slide, every group of groups of springs
Part includes spring retainer seat, spring mounting seat and spring, and the spring retainer seat is mounted on the side of the slide, the spring
One end of mounting base is fixed on the slide, and the other end is fixed on the spring retainer seat, and with the spring retainer seat
Cooperation, the spring are arranged on the spring mounting seat.
Further, the spring mounting seat is equipped with triangle card slot, and it is convex that the spring retainer seat is equipped with triangle
It rises, the triangle card slot and triangular hill cooperate.
Further, the cover top portion is equipped with mounting hole, and the operating mechanism includes operating head, connecting rod and guide sleeve,
Guide sleeve setting in the mounting hole, the connecting rod sequentially pass through after the guide sleeve and inner core shell with the sliding block
Connection, the operating head are connect with the connecting rod.
Specifically, the side of the spring retainer seat is bonded with the inner sidewall of the inner core shell.
Further, the connecting rod and the inner core case top are sealed by the first sealing ring, first sealing ring
Quantity be two, two the first sealing rings be stacked on the connecting rod and by compacting ring compression, the compacting ring with it is described
Guide sleeve inner wall is close to.
Specifically, it is sealed between the guide sleeve and the inner core shell also by sealing ring.
Further, the inner core shell is equipped with interior core cover plate, leads between the interior core cover plate and the inner core shell
Cross ultrasonic bonding connection.
Further, the upper surface of the shell is equipped with cover board, and the cover board is inlaid in the shell, the cover board
Upper surface is concordant with the upper surface of shell.
The beneficial effects of the utility model are: the utility model snap-type limit switch structure is compact, arrangement is reasonable, by bullet
The both ends of slide are arranged in spring component, realize switch movable contact piece and static contact by the mobile drive spring assembly movement of sliding block
Contact, slide and sliding block slide smooth no Caton, are in addition filled with casting glue inside the shell, operating mechanism is adopted with actuating mechanism
It is sealed with gasket, improves the sealing performance and waterproofing grade of switch, make to switch more secure and reliable.
Detailed description of the invention
It, below will be to institute in embodiment or description of the prior art in order to illustrate more clearly of the technical solution of the utility model
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some of the utility model
Embodiment for those of ordinary skill in the art without creative efforts, can also be attached according to these
Figure obtains other attached drawings.
Fig. 1 is structural schematic diagram when the utility model limit switch does not install interior core cover plate and cover plate of outer casing；
Fig. 2 is the structural schematic diagram of the slide of the utility model limit switch；
Fig. 3 is the cross-sectional view of the utility model limit switch.
In figure: 1- shell, 2- inner core shell, 3- slide, 4- sliding block, 5- spring assembly, 6- movable contact spring, 7- static contact, 8-
Operating head, 9- connecting rod, 10- guide sleeve, the first sealing ring of 11-, 12- compacting ring, the second sealing ring of 13-, core cover plate in 14-, 15-
Cover plate of outer casing, 51- spring retainer seat, 52- spring mounting seat, 53- spring.
Specific embodiment
Below in conjunction with the utility model Figure of description, the technical scheme in the embodiment of the utility model is carried out clear
Chu is fully described by, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole realities
Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative labor
Every other embodiment obtained, fall within the protection scope of the utility model.
In a specific embodiment of the utility model, as shown in Figure 1 to Figure 3, a kind of snap-type limit is specifically disclosed
Bit switch, including shell 1, actuating mechanism and operating mechanism, the actuating mechanism are mounted in the shell 1, the manipulation machine
Structure is connect with the actuating mechanism, and casting glue is filled in the shell 1, and the actuating mechanism includes inner core shell 2, slide 3, slides
Block 4, spring assembly 5, movable contact spring 6 and static contact 7, the inner core shell 2 are fixed in the shell 1, and the sliding of slide 3 is set
Set in the bottom of the inner core shell 2, the spring assembly 5 and sliding block 4 are arranged on the slide 3, the sliding block 4 with it is described
Slide 3 is slidably connected, and the movable contact spring 6 is arranged on the sliding block 4, and the static contact 7 is fixed on the end of the inner core shell 2
Portion；
The spring assembly 5 is equipped with two groups, and two groups of spring assemblies are symmetricly set on the two sides of the slide 3, every group of spring
Component 5 includes spring retainer seat 51, spring mounting seat 52 and spring 53, and the spring retainer seat 51 is mounted on the slide 3
Side, one end of the spring mounting seat 52 are fixed on the slide 3, and the other end is fixed on the spring retainer seat 51 simultaneously
Cooperate with the spring retainer seat 51, the spring 53 is arranged on the spring mounting seat 52.On the spring mounting seat 52
Equipped with triangle card slot, the spring retainer seat 51 is equipped with triangular hill, and the triangle card slot is matched with triangular hill
It closes.The side of the spring retainer seat 51 is bonded with the inner sidewall of the inner core shell 2.
Mounting hole is equipped at the top of the shell 1, the operating mechanism includes operating head 8, connecting rod 9 and guide sleeve 10, described
Guide sleeve 10 is arranged in the mounting hole, the connecting rod 9 sequentially pass through after the guide sleeve 10 and inner core shell 2 with the cunning
Block 4 connects, and the operating head 8 is connect with the connecting rod 9.Pass through the first sealing ring at the top of the connecting rod 9 and the inner core shell 2
11 sealings, the quantity of first sealing ring 11 are two, and two the first sealing rings are stacked on the connecting rod and pass through compression
Circle 12 compresses, and the compacting ring 12 is close to 10 inner wall of guide sleeve.By the between the guide sleeve 10 and the shell 1
The sealing of two sealing rings 13.
The inner core shell 2 is equipped with interior core cover plate 14, by super between the interior core cover plate 14 and the inner core shell 2
Sound wave is welded to connect, and the interior core cover plate 14 is stretched out in the end of the static contact 7.The upper surface of the shell 1 is equipped with casing cover
Plate 15, the cover plate of outer casing 15 are inlaid in the shell, and the upper surface of the cover plate of outer casing 15 and the upper surface of shell 1 are flat
Together.
The working process of the utility model is as follows: manipulation head drives connecting rod movement, and connecting rod band movable slider slides on slide, sliding
Due to the effect of spring assembly when block slides, slide is also slided, and slide sliding drives movable contact spring to contact or break with static contact
It opens, to realize opening and closing for switch；Use ultrasonic bonding connection between inner core shell and interior core cover plate, operating mechanism and dynamic
Make to be sealed between mechanism with sealing ring, casting glue is filled in shell, ensure that the sealing performance of switch, to improve the anti-of switch
It is aqueous.
Above disclosed is only a kind of preferred embodiment of the utility model, cannot limit this reality certainly with this
With novel interest field, therefore equivalent variations made according to the claim of the utility model, still belong to the utility model and is covered
Range.
Claims (8)
1. a kind of snap-type limit switch, including shell, actuating mechanism and operating mechanism, the actuating mechanism is mounted on described outer
In shell, the operating mechanism is connect with the actuating mechanism, which is characterized in that casting glue, the movement are filled in the shell
Mechanism includes inner core shell, slide, sliding block, spring assembly, movable contact spring and static contact, and the inner core shell is fixed on the shell
Interior, the slide is slidably arranged in the bottom of the inner core shell, and the spring assembly and sliding block are arranged on the slide, institute
State movable contact spring setting on the slide block, the static contact is fixed on the end of the inner core shell；
The spring assembly is equipped with two groups, and two groups of spring assemblies are symmetricly set on the two sides of the slide, every group of spring assembly packet
Spring retainer seat, spring mounting seat and spring are included, the spring retainer seat is mounted on the side of the slide, the spring installation
One end of seat is fixed on the slide, and the other end is fixed on the spring retainer seat, and is cooperated with the spring retainer seat,
The spring is arranged on the spring mounting seat.
2. a kind of snap-type limit switch according to claim 1, which is characterized in that the spring mounting seat is equipped with three
Angular card slot, the spring retainer seat are equipped with triangular hill, and the triangle card slot and triangular hill cooperate.
3. a kind of snap-type limit switch according to claim 1, which is characterized in that the cover top portion is equipped with installation
Hole, the operating mechanism include operating head, connecting rod and guide sleeve, and the guide sleeve is arranged in the mounting hole, the connecting rod
It is connected with the slide block after sequentially passing through the guide sleeve and inner core shell, the operating head is connect with the connecting rod.
4. a kind of snap-type limit switch according to claim 2, which is characterized in that the side of the spring retainer seat with
The inner sidewall of the inner core shell is bonded.
5. a kind of snap-type limit switch according to claim 3, which is characterized in that the connecting rod and the inner core shell
Top is sealed by the first sealing ring, and the quantity of first sealing ring is two, and two the first sealing rings are stacked in the company
It is compressed on bar and by compacting ring, the compacting ring is close to the guide sleeve inner wall.
6. a kind of snap-type limit switch according to claim 5, which is characterized in that the guide sleeve and the interior core shell
It is sealed between body also by sealing ring.
7. a kind of snap-type limit switch according to claim 6, which is characterized in that the inner core shell is equipped with inner core
Cover board passes through ultrasonic bonding connection between the interior core cover plate and the inner core shell.
8. a kind of snap-type limit switch according to claim 1, which is characterized in that the upper surface of the shell is equipped with outer
Housing-plate, the cover plate of outer casing are inlaid in the shell, and the upper surface of the cover plate of outer casing and the upper surface of shell are concordant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920856797.3U CN209675155U (en) | 2019-06-10 | 2019-06-10 | A kind of snap-type limit switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920856797.3U CN209675155U (en) | 2019-06-10 | 2019-06-10 | A kind of snap-type limit switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209675155U true CN209675155U (en) | 2019-11-22 |
Family
ID=68575722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920856797.3U Active CN209675155U (en) | 2019-06-10 | 2019-06-10 | A kind of snap-type limit switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209675155U (en) |
-
2019
- 2019-06-10 CN CN201920856797.3U patent/CN209675155U/en active Active
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