CN210839516U

CN210839516U - Shockproof proximity switch

Info

Publication number: CN210839516U
Application number: CN201921962086.0U
Authority: CN
Inventors: 吴红艳
Original assignee: Xian Dechuang Automation Engineering Co Ltd
Current assignee: Xian Dechuang Automation Engineering Co Ltd
Priority date: 2019-11-14
Filing date: 2019-11-14
Publication date: 2020-06-23
Anticipated expiration: 2029-11-14

Abstract

The utility model discloses a shock-proof proximity switch, including proximity switch, proximity switch's top is equipped with seal structure, proximity switch's bottom is equipped with shockproof structure, shockproof structure's inside is equipped with buffer structure, one side of proximity switch is equipped with quick detach structure, seal structure is including closing cap main part, heat radiation fins, screw, first sealing strip and second sealing strip, heat radiation fins offers the upper surface in closing cap main part, the screw is offered the upper surface four corners position in closing cap main part, first sealing strip fixed mounting is in the bottom border position of closing cap main part. A shockproof proximity switch, can improve proximity switch's leakproofness, increase water-proof effects, also improved the radiating effect simultaneously, secondly, can play better shockproof buffering effect, also can make things convenient for the dismouting proximity switch main part in addition, the practicality is higher.

Description

Shockproof proximity switch

Technical Field

The invention relates to the field of proximity switches, in particular to a shockproof proximity switch.

Background

The proximity switch is a position switch that can be operated without mechanical direct contact with moving parts, and products thereof include inductive, capacitive, hall, ac, and dc types, and are widely used in aerospace technologies and industrial production.

In view of the above, the proximity switch of chinese application No. 201920176549.4 is convenient for mounting a circuit board by providing a positioning hole and a positioning post; the Chinese application No. 201920163133.9 is a proximity switch convenient for fixing, and the switch body is convenient to be installed on an installation plate body by arranging a mode that a male tenon is inserted into a female groove of the installation plate body; chinese application number 201821826759.5 a miniature proximity switch uses through the cooperation that sets up support frame, screw hole and protective sheath, and proximity switch protects, uses through the cooperation that sets up erection column, elasticity card pearl, mounting groove and draw-in groove, makes proximity switch need not take off the second nut completely, just can fix proximity switch. But above-mentioned comparison file proximity switch's sealing performance is relatively poor, and waterproof performance is poor to the radiating effect is poor, secondly, does not possess shockproof structure, does not possess buffer structure yet, and external equipment's shaking force causes the influence of damage to proximity switch easily, and in addition, inconvenient dismantlement installation proximity switch main part uses the convenience relatively poor, is unfavorable for the use.

Disclosure of Invention

The invention mainly aims to provide a shockproof proximity switch which can effectively solve the problems in the background technology.

In order to achieve the purpose, the invention adopts the technical scheme that:

the utility model provides a shockproof proximity switch, includes proximity switch, proximity switch's top is equipped with seal structure, proximity switch's bottom is equipped with shockproof structure, shockproof structure's inside is equipped with buffer structure, one side of proximity switch is equipped with quick detach structure.

Preferably, seal structure is including closing cap main part, heat radiation fins, screw, first sealing strip and second sealing strip, heat radiation fins sets up the upper surface in closing cap main part, the screw sets up the upper surface quadrangle position in closing cap main part, first sealing strip fixed mounting is in the bottom border position of closing cap main part, second sealing strip fixed mounting is located the inboard of first sealing strip in the bottom of closing cap main part, proximity switch and closing cap main part pass through outside bolt cooperation screw matched connection.

Preferably, the shockproof structure comprises a shockproof base, a guide sheet, a guide post and a shockproof spring, the shockproof base is sleeved at the position below the outer part of the proximity switch, the guide sheet is fixedly installed at the bottom of the proximity switch, the guide post penetrates through the guide sheet, and the shockproof spring is sleeved at the outer part of the guide post.

Preferably, buffer structure is including buffering post, buffer base, sealing washer, damping fin, buffer spring and damping hole, buffer base fixed mounting is in the inside bottom position of shockproof base, buffering post piston connection is in buffer base's one end, sealing washer fixed mounting is in buffer base's inside port position, damping fin fixed mounting is located buffer base's inside position in buffer post's one end, buffer spring places in buffer base's inside, the damping hole set up with the upper surface of damping fin, buffer base's inside packing has hydraulic oil.

Preferably, the quick-release structure comprises a connecting block, a rotating rod, a connecting shaft, a fixing piece, a connecting spring, a movable rod, a fixing head, a bolt, a fixing block, a jack, a U-shaped groove and a spring piece, the connecting block is fixedly arranged at the top of one side of the proximity switch, the rotating rod is movably connected with the connecting block through the connecting shaft, the fixing piece is fixedly arranged in the rotating rod, the movable rod is movably connected in the rotating rod, the fixing head is fixedly connected with one end of the movable rod, one end of the connecting spring is fixedly connected with the fixing piece, the other end of the connecting spring is fixedly connected with the other end of the movable rod, the bolt is fixedly arranged at the top of the fixing head and positioned at the outer side of the movable rod, the fixing block is fixedly arranged at one side of the shockproof base, the lower surface of the fixing block is arranged, the elastic piece is fixedly connected to the position of an inner port of the U-shaped groove, the jack is matched with the plug pin in a matching mode, the diameter of the U-shaped groove is larger than that of the movable rod, and the diameter of the U-shaped groove is smaller than that of the rotating rod and the fixing head.

Compared with the prior art, the invention has the following beneficial effects: according to the proximity switch, the sealing effect can be improved through the arranged sealing structure, the waterproof performance of the proximity switch is improved, meanwhile, the sealing cover main body of the sealing structure is provided with the heat radiating fins, the contact area with air can be increased, the heat radiating effect is improved, through the arranged shockproof structure, the influence of equipment vibration on the proximity switch can be reduced, the service life of the proximity switch is prolonged, the phenomenon that the switch effect is influenced due to the fact that the proximity switch is too large in vibration can be avoided, through the arranged buffering structure, the damping effect can be provided, the shockproof function is increased, through the arranged quick-release structure, the proximity switch can be conveniently disassembled and installed, screws are not needed, the use convenience is improved, and the practicability is higher.

Drawings

FIG. 1 is a schematic view of the overall structure of a shock resistant proximity switch of the present invention;

FIG. 2 is a schematic view of a cover body structure of a shock resistant proximity switch of the present invention;

FIG. 3 is a top view of a closure body of a shock resistant proximity switch of the present invention;

FIG. 4 is a schematic view of the interior structure of a shock base of a shock proximity switch of the present invention;

FIG. 5 is a schematic view of the interior structure of a cushioning structure of a shock resistant proximity switch of the present invention;

FIG. 6 is a top view of the damping plate of a shock resistant proximity switch of the present invention;

FIG. 7 is a schematic view of the internal structure of the quick release structure of the shockproof proximity switch of the present invention;

FIG. 8 is a bottom view of a mounting block of a shock resistant proximity switch of the present invention;

FIG. 9 is an expanded view of the breakaway structure of a shock resistant proximity switch of the present invention.

In the figure: 1. a proximity switch; 2. a sealing structure; 201. a closure body; 202. heat dissipation fins; 203. a screw hole; 204. a first seal strip; 205. a second seal strip; 3. a shockproof structure; 301. a shock-proof base; 302. a guide piece; 303. a guide post; 304. a shock-proof spring; 4. a buffer structure; 401. a buffer column; 402. a buffer base; 403. a seal ring; 404. a damping fin; 405. a buffer spring; 406. a damping hole; 5. a quick release structure; 501. connecting blocks; 502. a rotating rod; 503. a connecting shaft; 504. a fixing sheet; 505. a connecting spring; 506. a movable rod; 507. a fixed head; 508. a bolt; 509. a fixed block; 5010. a jack; 5011. a U-shaped groove; 5012. an elastic sheet.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The first embodiment is as follows:

as shown in fig. 1, the shockproof proximity switch comprises a proximity switch 1, a sealing structure 2 is arranged at the top of the proximity switch 1, a shockproof structure 3 is arranged at the bottom of the proximity switch 1, a buffering structure 4 is arranged inside the shockproof structure 3, and a quick-release structure 5 is arranged at one side of the proximity switch 1.

Example two:

on the basis of the first embodiment, as shown in fig. 2-3, the sealing structure 2 includes a cover main body 201, heat dissipation fins 202, screw holes 203, a first sealing strip 204 and a second sealing strip 205, the heat dissipation fins 202 are disposed on the upper surface of the cover main body 201, the screw holes 203 are disposed at four corners of the upper surface of the cover main body 201, the first sealing strip 204 is fixedly mounted at the edge of the bottom of the cover main body 201, the second sealing strip 205 is fixedly mounted at the bottom of the cover main body 201 inside the first sealing strip 204, the proximity switch 1 is connected with the cover main body 201 by matching the screw holes 203 with external bolts, two seals can be formed between the cover main body 201 and the proximity switch 1 through the first sealing strip 204 and the second sealing strip 205, so as to increase the sealing performance and improve the waterproof effect, meanwhile, the heat dissipation fins 202 can also increase the contact area with air and improve the heat dissipation effect, increasing the service life of the proximity switch 1.

Example three:

in addition to the first and second embodiments, as shown in fig. 4, the anti-vibration structure 3 includes an anti-vibration base 301, a guide piece 302, a guide post 303 and an anti-vibration spring 304, the anti-vibration base 301 is sleeved on the lower position of the exterior of the proximity switch 1, the guide piece 302 is fixedly mounted on the bottom of the proximity switch 1, the guide post 303 penetrates through the guide piece 302, the anti-vibration spring 304 is sleeved on the exterior of the guide post 303, the guide post 303 and the guide piece 302 can play a role in guiding, and the anti-vibration spring 304 can play an anti-vibration role through elasticity.

Example four:

on the basis of the first embodiment, the second embodiment and the third embodiment, as shown in fig. 4-6, the buffering structure 4 includes a buffering column 401, a buffering base 402, a sealing ring 403, a damping plate 404, a buffering spring 405 and a damping hole 406, the buffering base 402 is fixedly installed at the bottom position inside the shock-proof base 301, the buffering column 401 is connected to one end of the buffering base 402 by a piston, the sealing ring 403 is fixedly installed at the port position inside the buffering base 402, the damping plate 404 is fixedly installed at one end of the buffering column 401 at the inside position of the buffering base 402, the buffering spring 405 is placed inside the buffering base 402, the damping hole 406 is opened on the upper surface of the damping plate 404, the inside of the buffering base 402 is filled with hydraulic oil, when a shock occurs, the buffering column 401 pushes the damping plate 404 to move inside the piston of the buffering base 402, a damping effect is formed between the damping hole 406 and the hydraulic oil, can cooperate shockproof structure 3 to increase shockproof effect, reduce proximity switch 1 and receive the influence of external equipment vibrations, improve the practicality.

Example five:

on the basis of the first embodiment, the second embodiment, the third embodiment and the fourth embodiment, as shown in fig. 7-9, the quick release structure 5 includes a connecting block 501, a rotating rod 502, a connecting shaft 503, a fixing plate 504, a connecting spring 505, a movable rod 506, a fixing head 507, a bolt 508, a fixing block 509, a plug 5010, a U-shaped slot 5011 and a spring 5012, the connecting block 501 is fixedly installed at a top position of one side of the proximity switch 1, the rotating rod 502 is movably connected with the connecting block 501 through the connecting shaft 503, the fixing plate 504 is fixedly installed inside the rotating rod 502, the movable rod 506 is movably connected inside the rotating rod 502, the fixing head 507 is fixedly connected to one end of the movable rod 506, one end of the connecting spring 505 is fixedly connected with the fixing plate 504, the other end of the connecting spring 505 is fixedly connected with the other end of the movable rod 506, the bolt 508 is fixedly installed at a top of, the fixing block 509 is fixedly installed at one side of the shockproof base 301, the insertion hole 5010 is provided with a lower surface of the fixing block 509, the U-shaped groove 5011 is provided with a side surface of the fixing block 509, the elastic sheet 5012 is fixedly connected to the inner end position of the U-shaped groove 5011, the insertion hole 5010 is matched with the plug 508, the diameter of the U-shaped groove 5011 is larger than that of the movable rod 506, the diameter of the U-shaped groove 5011 is smaller than that of the rotary rod 502 and the fixed head 507, the movable rod 506 can be pulled to move through the movable rod 506 and a spring inside the rotary rod 502, the rotary rod 502 can be rotated through the connecting shaft 503, the movable rod 506 can be clamped into the U-shaped groove 5011, the plug 508 is inserted into the insertion hole 5010 to be fixed, the proximity switch 1 can be.

It should be noted that, when in use, the proximity switch of the present invention can form two seals between the cover main body 201 and the proximity switch 1 through the first sealing strip 204 and the second sealing strip 205, which increases the sealing property and improves the waterproof effect, and the heat dissipating fins 202 can also increase the contact area with air, improve the heat dissipating effect and increase the service life of the proximity switch 1, and when the external device generates vibration, the buffer column 401 pushes the damping sheet 404 to move in the internal piston of the buffer base 402, and a damping effect is formed between the damping hole 406 and the hydraulic oil, and meanwhile, the guide column 303 and the guide sheet 302 can play a role of guiding, and the anti-vibration spring 304 can play an anti-vibration role through elasticity, and can play an excellent anti-vibration effect through the buffer structure 4 in cooperation with the anti-vibration structure 3, and reduce the influence of the proximity switch 1 from the vibration of the external device, the practicability is improved, the phenomenon that the switch effect is influenced by overlarge vibration of the proximity switch 1 can be avoided, when the proximity switch 1 needs to be disassembled, the fixed head 507 is firstly pulled vertically, so that the bolt 508 is pulled out of the inner part of the jack 5010, then the fixed head 507 is horizontally pulled through the connecting shaft 503, the movable rod 506 can be pulled out of the inner part of the U-shaped groove 5011, the connecting spring 505 contracts after being pulled out, the movable rod 506 contracts into the rotating rod 502, when the proximity switch is installed, the proximity switch 1 is firstly placed in the buffer base 402, meanwhile, the guide sheet 302 needs to be sleeved on the outer part of the guide column 303, then after the fixed head 507 is pulled, the movable rod 506 is pulled out for a proper distance, the rotating rod 502 is rotated through the connecting shaft 503, the movable rod 506 is plugged into the U-shaped groove 5011, when the fixed head 507 is perpendicular to the fixed block 509, the fixed head 507 can be loosened, and the bolt 508 is inserted into the jack 5010 at the, the left and right limiting effect is formed, meanwhile, the connecting spring 505 is in a contraction state, the fixing head 507 can be fixed at the bottom of the fixing block 509, installation is completed, screws do not need to be detached in the whole installation and detachment process, external tools do not need to be borrowed, and use convenience is improved.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A shock resistant proximity switch, characterized by: including proximity switch (1), the top of proximity switch (1) is equipped with seal structure (2), the bottom of proximity switch (1) is equipped with shockproof structure (3), the inside of shockproof structure (3) is equipped with buffer structure (4), one side of proximity switch (1) is equipped with rapid disassembly structure (5).

2. A ruggedized proximity switch, as recited in claim 1, wherein: seal structure (2) is including closing cap main part (201), heat radiation fins (202), screw (203), first sealing strip (204) and second sealing strip (205), heat radiation fins (202) are seted up in the upper surface of closing cap main part (201), the upper surface four corners position in closing cap main part (201) is seted up in screw (203), first sealing strip (204) fixed mounting is in the bottom border position of closing cap main part (201), second sealing strip (205) fixed mounting is located the inboard of first sealing strip (204) in the bottom of closing cap main part (201), proximity switch (1) and closing cap main part (201) are through outside bolt cooperation screw (203) looks accordant connection.

3. A ruggedized proximity switch, as recited in claim 2, wherein: the shockproof structure (3) comprises a shockproof base (301), a guide sheet (302), a guide column (303) and a shockproof spring (304), wherein the shockproof base (301) is sleeved at the position below the outer part of the proximity switch (1), the guide sheet (302) is fixedly installed at the bottom of the proximity switch (1), the guide column (303) penetrates through the guide sheet (302), and the shockproof spring (304) is sleeved at the outer part of the guide column (303).

4. A ruggedized proximity switch, as recited in claim 3, wherein: buffer structure (4) including buffering post (401), buffer base (402), sealing washer (403), damping fin (404), buffer spring (405) and damping hole (406), buffer base (402) fixed mounting is in the inside bottom position of shockproof base (301), buffering post (401) piston connection is in the one end of buffer base (402), sealing washer (403) fixed mounting is in the inside port position of buffer base (402), damping fin (404) fixed mounting is located the inside position of buffer base (402) in the one end of buffering post (401), buffer spring (405) are placed in the inside of buffer base (402), the upper surface with damping fin (404) is seted up in damping hole (406), the inside packing of buffer base (402) has hydraulic oil.

5. A ruggedized proximity switch, as recited in claim 4, wherein: the quick-release structure (5) comprises a connecting block (501), a rotating rod (502), a connecting shaft (503), a fixing plate (504), a connecting spring (505), a movable rod (506), a fixing head (507), a bolt (508), a fixing block (509), a jack (5010), a U-shaped groove (5011) and an elastic sheet (5012), wherein the connecting block (501) is fixedly arranged at the top of one side of the proximity switch (1), the rotating rod (502) is movably connected with the connecting block (501) through the connecting shaft (503), the fixing plate (504) is fixedly arranged in the rotating rod (502), the movable rod (506) is movably connected in the rotating rod (502), the fixing head (507) is fixedly connected with one end of the movable rod (506), one end of the connecting spring (505) is fixedly connected with the fixing plate (504), the other end of the connecting spring (505) is fixedly connected with the other end of the movable rod (506), bolt (508) fixed mounting is located the outside of movable rod (506) at the top of fixed head (507), fixed block (509) fixed mounting is in one side position of shockproof base (301), the lower surface with fixed block (509) is seted up in jack (5010), a side surface with fixed block (509) is seted up in U type groove (5011), shell fragment (5012) fixed connection is in the inside port position in U type groove (5011), jack (5010) agrees with bolt (508) and matches, the diameter in U type groove (5011) is greater than the diameter of movable rod (506), the diameter in U type groove (5011) is less than the diameter of bull stick (502) and fixed head (507).