Corrosion-resistant proximity switch

Abstract

The utility model discloses a corrosion-resistant proximity switch, and relates to the technical field of corrosion-resistant proximity switches, the corrosion-resistant proximity switch comprises a switch body, the surface of the switch body is provided with a protection mechanism, the protection mechanism comprises a convex block, the convex block is arranged on the surface of the switch body, one side of the convex block is fixedly connected with an inner protection sleeve, and the other side of the convex block is fixedly connected with an outer protection sleeve. The outer side of the inner protective sleeve is fixedly connected with a damping strip, and one end of the damping strip is fixedly connected with a first outer protective sleeve and a second outer protective sleeve. According to the utility model, the fixing bolt is separated from the second fixing block by rotating the fixing bolt, so that the whole protection mechanism is divided into two parts, when the protection mechanism needs to be fixed on the switch body, the fixing bolt is rotated, and the protection mechanism is assembled and fixed by the fixing bolt; and the limiting block is clamped in the limiting groove, so that the protection mechanism is more stably fixed on the switch body, and the effect of conveniently mounting and dismounting the protection mechanism is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to corrosion -resistant proximity switch technical field, concretely relates to a corrosion -resistant proximity switch. BACKGROUND

[0002] Corrosion proximity switch is often used in automation equipment, machinery, metallurgy and other fields, and through the proximity non-magnetic metal target signal transmission to realize detection, limiting, speed measurement and automatic protection and other purposes;

[0003] The utility model discloses a kind of corrosion -resistant proximity switches, including shell and tail plug, shell is sleeve, its built-in with tail plug connection circuit board, induction pole piece sealing internal pressure is in the one end of shell, the induction pole piece is fixed with the welding of circuit board, the material of shell is polytetrafluoroethylene;Tail plug is fixed with potentiometer connection, the potentiometer is arranged in the other end of shell, and is connected with the circuit board by lead, the shell, the induction pole piece and the potentiometer are encapsulated by epoxy resin.The utility model, shell uses polytetrafluoroethylene (PTFE), to prevent the use process of equipment due to external corrosive liquid contact switch, prevent shell from being corroded, prolong service life, it can be used in a variety of occasions;

[0004] In order to solve the problem of using corrosion -resistant proximity switch in the above-mentioned technical scheme, the prior art is to use polytetrafluoroethylene (PTFE) for the shell, to prevent the shell from being corroded and prolong the service life. However, the protection mechanism may not be convenient to fix and disassemble when protecting the switch body, thereby causing the problem of inconvenient protection of the switch body. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a corrosion -resistant proximity switch to solve the problems raised in the above-mentioned background technology.

[0006] To solve the above technical problems, the utility model adopts the technical scheme of:

[0007] A corrosion -resistant proximity switch, comprising a switch body, a protection mechanism is mounted on the surface of the switch body, the protection mechanism comprises a lug, the lug is arranged on the surface of the switch body, one side of the lug is fixedly connected with an inner protective sleeve, the outer side of the inner protective sleeve is fixedly connected with a shock-absorbing strip, one end of the shock-absorbing strip is fixedly connected with a first outer protective sleeve and a second outer protective sleeve respectively, one end of the first outer protective sleeve and the second outer protective sleeve is fixedly connected with a threaded sleeve respectively, the first outer protective sleeve and the second outer protective sleeve are fixed by a fixing piece, one end of the threaded sleeve is threadedly connected with an adjusting mechanism.

[0008] The further improvement of the utility model technical scheme lies in that the inner protective sleeve is two pieces, the protruding block and the damping strip are fixedly connected to the inner and outer sides of the two pieces of inner protective sleeve respectively, and the damping strip can achieve internal damping effect.

[0009] The further improvement of the utility model technical scheme lies in that the fixing part comprises a first fixing block and a limiting groove, the first fixing block is fixedly connected to the two sides of the first outer protective sleeve, a notch is formed in one side of the first fixing block, a fixing bolt is screw-connected in the notch, the fixing bolt is rotated, and the fixing bolt assembles and fixes the protection mechanism.

[0010] The further improvement of the utility model technical scheme lies in that one end of the fixing bolt is screw-connected with a second fixing block, the second fixing block is fixedly connected to the surface of the second outer protective sleeve, the fixing bolt is separated from the second fixing block by rotating the fixing bolt, and the whole protection mechanism is divided into two parts.

[0011] The further improvement of the utility model technical scheme lies in that the limiting groove is formed in the inside of the first outer protective sleeve, a limiting block is installed in the inside of the limiting groove, and the limiting block is fixedly connected to one side of the second outer protective sleeve; during assembly, the limiting block is clamped in the inside of the limiting groove, so that the protection mechanism is fixed more stably on the light opening body.

[0012] The further improvement of the utility model technical scheme lies in that the adjusting mechanism comprises an adjusting sleeve, the adjusting sleeve is screw-connected to one end of the threaded sleeve, holes are formed in the two sides of the adjusting sleeve, the holes are formed in the adjusting sleeve and the other end, and adjusting bolts are screw-hinged to the surface of the holes; when the position of the switch body needs to be changed, the adjusting sleeve is moved, and the adjusting sleeve is hinged and moved on the adjusting bolt.

[0013] The further improvement of the utility model technical scheme lies in that one end of the adjusting bolt is fixedly connected with a plugging block, one end of the adjusting bolt is screw-connected with a screw piece, the surface of the adjusting bolt is fixedly connected with a supporting plate, one end of the supporting plate is fixedly connected with a base, and the supporting plate and the base are moved to support and stabilize the adjusting sleeve.

[0014] Due to the adoption of the above technical scheme, the utility model has the following technical progress compared with the prior art:

[0015] 1、The utility model provides a kind of corrosion-resistant proximity switch, when needing to disassemble protection mechanism, by rotating fixing bolt, so that the fixing bolt separates from second fixing block, so that the whole protection mechanism is divided into two parts, when needing to fix protection mechanism on switch body, rotating fixing bolt, fixing bolt assembles and fixes protection mechanism, during assembly, limiting block is clamped in the inside of limiting groove, so that protection mechanism is fixed more stably on light opening body, to reach the effect that protection mechanism is conveniently installed and disassembled.

[0016] 2、The utility model provides a kind of corrosion-resistant proximity switch, shock-absorbing strip can play internal shock-absorbing effect, shock-absorbing strip is arranged between inner protective sleeve and first outer protective sleeve and second outer protective sleeve, further play shock-absorbing effect, by boss can be limited to switch body again increase friction, strengthen the fixation of switch body in protective mechanism inside, the material of first outer protective sleeve and second outer protective sleeve is reinforcing layer, corrosion-resistant layer, wear-resistant layer, corrosion-resistant layer is used to strengthen the protection of switch body, to protect switch body, increase the service life of switch body. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is overall structure schematic view of the utility model;

[0018] Figure 2 It is structure schematic view of the utility model adjusting mechanism;

[0019] Figure 3 It is structure schematic view of the utility model protective mechanism;

[0020] Figure 4 It is structure schematic view of the utility model fixed piece.

[0021] In the drawing: 1, switch body;2, protective mechanism;20, first outer protective sleeve;21, second outer protective sleeve;22, threaded sleeve;23, shock-absorbing strip;24, boss;25, inner protective sleeve;26, fixed piece;260, second fixed block;261, first fixed block;263, fixed peg;264, notch;265, limit block;266, limit slot;3, adjusting mechanism;30, adjusting sleeve;31, hole;32, adjusting peg;33, plugging block;34, screw blade;35, support plate;36, base. DETAILED DESCRIPTION

[0022] The utility model is further explained in detail as follows in combination with embodiment:

[0023] Embodiment 1

[0024] As Figures 1-4The utility model provides a kind of corrosion-resistant proximity switch, including switch body 1 switch body 1 is equipped with protection mechanism 2 on surface, protection mechanism 2 includes lug 24, lug 24 is arranged on the surface of switch body 1, one side of lug 24 is fixedly connected with inner protective sleeve 25, the outer side of inner protective sleeve 25 is fixedly connected with shock strip 23, one end of shock strip 23 is fixedly connected with first outer protective sleeve 20 and second outer protective sleeve 21 respectively, one end of first outer protective sleeve 20 and second outer protective sleeve 21 is fixedly connected with threaded sleeve 22, first outer protective sleeve 20 and second outer protective sleeve 21 are fixed by fixing piece 26, one end of threaded sleeve 22 is threadedly connected with adjusting mechanism 3, inner protective sleeve 25 is two, lug 24 and shock strip 23 are fixedly connected on the inside and outside of two inner protective sleeves 25, fixing piece 26 includes first fixed block 261 and limit groove 266, first fixed block 261 is fixedly connected on the both sides of first outer protective sleeve 20, one side of first fixed block 261 is equipped with notch 264, notch 264 is threadedly connected with fixed bolt 263 in the inside, one end of fixed bolt 263 is threadedly connected with second fixed block 260, second fixed block 260 is fixedly connected on the surface of second outer protective sleeve 21, limit groove 266 is equipped in the inside of first outer protective sleeve 20, limit block 265 is installed in the inside of limit groove 266, limit block 265 is fixedly connected on the side of second outer protective sleeve 21;

[0025] Specifically, shock strip 23 can play the effect of internal shock absorption, shock strip 23 is arranged between inner protective sleeve 25 and first outer protective sleeve 20 and second outer protective sleeve 21, further playing the effect of shock absorption, switch body 1 can be further limited by lug 24 to increase friction, strengthening the fixation of switch body in protection mechanism 2, the material of first outer protective sleeve 20 and second outer protective sleeve 21 is reinforcing layer, corrosion-resistant layer and wear-resistant layer, the corrosion-resistant layer is used to strengthen the protection of switch body 1, the material of corrosion-resistant layer is asphalt, and the material of wear-resistant layer is PVC, when protection mechanism 2 needs to be disassembled, fixed bolt 263 is rotated to make fixed bolt 263 separate from second fixed block 260, so that the whole protection mechanism 2 is divided into two parts, when protection mechanism 2 needs to be fixed on switch body 1, fixed bolt 263 is rotated to assemble and fix protection mechanism 2, during assembly, limit block 265 is clamped in the inside of limit groove 266, so that protection mechanism 2 is fixed more stably on switch body 1.

[0026] Example 2

[0027] As Figures 1-4As shown, based on Embodiment 1, this utility model provides a technical solution: Preferably, the adjustment mechanism 3 includes an adjustment sleeve 30, which is threadedly connected to one end of the threaded sleeve 22. Holes 31 are opened on both sides of the adjustment sleeve 30, and the holes 31 are opened on the other end of the adjustment sleeve 30. An adjustment bolt 32 is threadedly hinged to the surface of the hole 31. A sealing block 33 is fixedly connected to one end of the adjustment bolt 32. A screw plate 34 is threadedly connected to one end of the adjustment bolt 32. A support plate 35 is fixedly connected to the surface of the adjustment bolt 32. A base 36 is fixedly connected to one end of the support plate 35.

[0028] Specifically, when it is necessary to change the position of the switch body 1, the adjusting sleeve 30 is moved. The adjusting sleeve 30 is hinged on the adjusting bolt 32. The adjusting sleeve 30 drives the threaded sleeve 22 to move, thereby indirectly driving the switch body 1 on the protective mechanism 2 to be adjusted. The moving support plate 35 and the base 36 play a supporting and stabilizing role for the adjusting sleeve 30.

[0029] The working principle of this corrosion-resistant proximity switch will be explained in detail below.

[0030] like Figures 1-4 As shown, the shock-absorbing strip 23 provides internal shock absorption. The shock-absorbing strip 23 is positioned between the inner protective sleeve 25 and the first outer protective sleeve 20 and the second outer protective sleeve 21, further enhancing the shock absorption effect. The protrusion 24 further restricts the switch body 1, increasing friction and strengthening the fixation of the switch body within the protective mechanism 2. The first outer protective sleeve 20 and the second outer protective sleeve 21 are made of a reinforcing layer, an anti-corrosion layer, and a wear-resistant layer. The anti-corrosion layer, made of asphalt, strengthens the protection of the switch body 1, while the wear-resistant layer is made of PVC. When the protective mechanism 2 needs to be disassembled, the fixing bolt 263 is rotated to disengage from the second fixing block 260. This results in the overall protective mechanism 2 being divided into two parts. When it is necessary to fix the protective mechanism 2 onto the switch body 1, the fixing bolt 263 is rotated, and the fixing bolt 263 assembles and fixes the protective mechanism 2. During assembly, the limiting block 265 is engaged inside the limiting groove 266, making the protective mechanism 2 more securely fixed on the switch body 1. When it is necessary to change the position of the switch body 1, the adjusting sleeve 30 is moved. The adjusting sleeve 30 is hinged on the adjusting bolt 32, and the adjusting sleeve 30 drives the threaded sleeve 22 to adjust and move, thereby indirectly driving the switch body 1 on the protective mechanism 2 to adjust and move. The support plate 35 and the base 36 provide support and stability for the adjusting sleeve 30.

[0031] The present invention has been described in detail above. However, modifications or improvements can be made to it, which will be obvious to those skilled in the art. Therefore, any modifications or improvements that do not depart from the spirit of the present invention are within the protection scope of the present invention.

Claims

1. A corrosion-resistant proximity switch comprising a switch body (1), characterized in that: The surface of the switch body (1) is provided with a protection mechanism (2); The protection mechanism (2) comprises a protrusion (24) arranged on the surface of the switch body (1), one side of the protrusion (24) is fixedly connected with an inner protective sleeve (25), the outer side of the inner protective sleeve (25) is fixedly connected with a shock-absorbing strip (23), one end of the shock-absorbing strip (23) is fixedly connected with a first outer protective sleeve (20) and a second outer protective sleeve (21) respectively, one end of the first outer protective sleeve (20) and the second outer protective sleeve (21) is fixedly connected with a threaded sleeve (22), the first outer protective sleeve (20) and the second outer protective sleeve (21) are fixed through a fixing piece (26), and one end of the threaded sleeve (22) is threadedly connected with an adjusting mechanism (3).

2. A corrosion resistant proximity switch according to claim 1, wherein: The inner protective sleeve (25) is two pieces, and the protrusion (24) and the shock-absorbing strip (23) are fixedly connected to the inner and outer sides of the two pieces of inner protective sleeve (25) respectively.

3. A corrosion resistant proximity switch according to claim 2, wherein: The fixing piece (26) comprises a first fixing block (261) and a limiting groove (266), the first fixing block (261) is fixedly connected to the two sides of the first outer protective sleeve (20), one side of the first fixing block (261) is provided with a notch (264), and the notch (264) is threadedly connected with a fixing bolt (263) in the inside.

4. A corrosion resistant proximity switch according to claim 3, wherein: One end of the fixing bolt (263) is threadedly connected with a second fixing block (260), and the second fixing block (260) is fixedly connected to the surface of the second outer protective sleeve (21).

5. A corrosion resistant proximity switch according to claim 4, wherein: The limiting groove (266) is arranged in the inside of the first outer protective sleeve (20), and a limiting block (265) is arranged in the inside of the limiting groove (266).

6. A corrosion resistant proximity switch according to claim 1, wherein: The adjusting mechanism (3) comprises an adjusting sleeve (30), the adjusting sleeve (30) is threadedly connected to one end of the threaded sleeve (22), the two sides of the adjusting sleeve (30) are provided with holes (31), the holes (31) are arranged in the adjusting sleeve (30) and the other end, and the surface of the hole (31) is threadedly connected with an adjusting bolt (32).

7. A corrosion resistant proximity switch according to claim 6, wherein: One end of the adjusting bolt (32) is fixedly connected with a blocking block (33), one end of the adjusting bolt (32) is threadedly connected with a screw blade (34), the surface of the adjusting bolt (32) is fixedly connected with a support plate (35), and one end of the support plate (35) is fixedly connected with a base (36).

Images