Positioning device for proximity switch and high-temperature-resistant proximity switch

Abstract

The utility model provides a positioning device for a proximity switch and a high-temperature-resistant proximity switch. The positioning device for the proximity switch comprises a mounting frame, wherein a moving mechanism, two clamping and positioning mechanisms and a protection mechanism are arranged on the mounting frame; the moving mechanism comprises a fixed seat, a cavity, a motor, a gear, a first L sliding block, a first rack, a second L sliding block and a second rack, the fixed seat is fixedly mounted on the inner wall of the bottom of the mounting frame, the cavity is formed in the fixed seat, and the motor is fixedly mounted on the inner wall of one side of the cavity. The positioning device for the proximity switch and the high-temperature-resistant proximity switch provided by the utility model have the advantages that the placement position of the proximity switch can be conveniently clamped and fixed, the stability of the proximity switch is ensured, the proximity switch can be prevented from being collided by a detected object, and the proximity switch can be protected.

Description

Technical Field

[0001] The utility model belongs to the technical field of proximity switches, and in particular relates to a positioning device for a proximity switch and a high-temperature resistant proximity switch. Background Art

[0002] A proximity switch is a position switch that does not require direct mechanical contact with moving parts. When an object approaches the switch sensing surface to the action distance, the switch can be activated, thereby driving DC appliances or providing control instructions to computer devices. A proximity switch is a switch-type sensor (i.e., a contactless switch). It has the characteristics of a travel switch and a micro switch, as well as sensing performance. It has reliable operation, stable performance, fast frequency response, long service life, strong anti-interference ability, and is waterproof and corrosion-resistant. Products include inductive, capacitive, Hall, AC, and DC types.

[0003] In the related art, a proximity switch positioning device is disclosed, and its main design concept is that it includes a positioning ring, the outer surface of the positioning ring is fixedly connected to a support frame, the outer surface of the support frame is fixedly connected to a group of mounting plates, the upper surface of each mounting plate is provided with a mounting hole, the upper surface of each mounting plate is fixedly connected to a reinforcing plate, and the top of the reinforcing plate is fixedly connected to the outer surface of the support frame. It can position the proximity switch body inside the positioning ring through the coordination between the positioning ring, the support frame, the mounting plate, the mounting hole, the reinforcing plate, the positioning component and the fixing component, so as to facilitate the disassembly and positioning of the proximity switch body, and also play the role of saving time and labor and ensuring the use effect of the proximity switch body.

[0004] However, the above structure still has some shortcomings. The device needs to be clamped and fixed by staff during use. During use, it is impossible to avoid the proximity switch being hit by the detection object, which will cause damage to the proximity switch and fail to protect the proximity switch.

[0005] Therefore, it is necessary to provide a new positioning device for a proximity switch and a high temperature resistant proximity switch to solve the above technical problems. Utility Model Content

[0006] The technical problem solved by the utility model is to provide a positioning device for a proximity switch and a high temperature resistant proximity switch which are convenient for clamping and fixing the placement position of the proximity switch to ensure the stability of the proximity switch and can also prevent the proximity switch from being hit by a detection object and can protect the proximity switch.

[0007] In order to solve the above technical problems, the positioning device for a proximity switch provided by the utility model comprises: a mounting frame, on which a moving mechanism, two clamping positioning mechanisms and a protective mechanism are arranged;

[0008] The moving mechanism includes a fixed seat, a cavity, a motor, a gear, a first L-shaped slider, a first rack, a second L-shaped slider and a second rack. The fixed seat is fixedly mounted on the bottom inner wall of the mounting frame. The cavity is opened on the fixed seat. The motor is fixedly mounted on one side inner wall of the cavity. The gear is fixedly mounted on the output shaft of the motor. The first L-shaped slider is slidably mounted on the fixed seat. The first rack is fixedly mounted on the bottom of the first L-shaped slider. The second L-shaped slider is slidably mounted on the fixed seat. The second rack is fixedly mounted on the second L-shaped slider. The gear is meshed with the first rack and the second rack.

[0009] The clamping and positioning mechanism includes a mounting column, an arc plate, multiple springs and a clamping block. The mounting column is fixedly mounted on the first L-shaped slider, the arc plate is fixedly mounted on the mounting column, the multiple springs are all fixedly mounted on the arc plate, and the clamping block is fixedly mounted on the multiple springs.

[0010] As a further solution of the utility model, the protective mechanism includes two square seats, two fixing rods, two supporting columns, a protective shell, a circular groove, a transparent shell and a fixed sleeve block, the proximity switch is arranged on the fixing seat, the two square seats are respectively fixedly mounted on the outer walls on both sides of the mounting frame, the two fixing rods are respectively hingedly mounted in the two square seats, the two supporting columns are both fixedly mounted on the top of the mounting frame, the protective shell is fixedly mounted on the fixing rods, the bottom of the protective shell is in contact with the two supporting columns, the circular groove is opened on the protective shell, and the transparent shell is fixedly mounted in the circular groove.

[0011] As a further solution of the utility model, a sliding rod is fixedly installed on the fixing seat, and the sliding rod passes through the first L-shaped sliding block and the second L-shaped sliding block and is slidably connected with the first L-shaped sliding block and the second L-shaped sliding block.

[0012] As a further solution of the utility model, fixed sleeve blocks are fixedly installed on the outer walls of both sides of the mounting frame, a lock buckle is fixedly installed on the fixed sleeve block, a lock door is hingedly installed on the fixed sleeve block, a lock block is installed on the lock door, and the lock buckle and lock block are adapted to each other.

[0013] The utility model also provides a high temperature resistant proximity switch, comprising: two vents, two grooves and two cooling fans, a mounting shell, a proximity switch body, two heat conducting plates, and a plurality of cooling fins, wherein the proximity switch body is mounted in the mounting shell, the two heat conducting plates are fixedly mounted in the mounting shell, and the plurality of cooling fins are respectively fixedly mounted on the two heat conducting plates.

[0014] As a further solution of the utility model, the two ventilation holes are respectively opened on both sides of the installation shell, the two grooves are both opened on the top of the installation shell, and the two cooling fans are respectively fixedly installed in the two grooves.

[0015] Compared with the related art, the positioning device for the proximity switch and the high temperature resistant proximity switch provided by the utility model have the following beneficial effects:

[0016] 1. The utility model is provided with a moving mechanism, so that the first L-shaped slider and the second L-shaped slider can be driven by a motor to move closer to or away from each other, which is convenient for adjustment;

[0017] 2. The utility model provides a clamping and positioning mechanism to clamp and fix the proximity switch placed on the fixed seat, thereby ensuring the stability of the proximity switch and preventing it from moving;

[0018] 3. The utility model provides a protective mechanism so that the proximity switch can be protected by the protective shell and the transparent shell to prevent the proximity switch from being damaged by collision with the detected object. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to facilitate understanding by those skilled in the art, the present invention is further described below in conjunction with the accompanying drawings.

[0020] Figure 1 It is a three-dimensional structural schematic diagram of a positioning device for a proximity switch of the utility model;

[0021] Figure 2 It is a three-dimensional cross-sectional structural schematic diagram of the positioning device for a proximity switch of the utility model;

[0022] Figure 3 It is a partial cross-sectional structural schematic diagram of the positioning device for a proximity switch of the utility model;

[0023] Figure 4 It is a three-dimensional structural schematic diagram of the high temperature resistant proximity switch of the utility model;

[0024] Figure 5 It is a first stereoscopic cross-sectional structural schematic diagram of the high temperature resistant proximity switch of the utility model;

[0025] Figure 6 It is a second stereoscopic cross-sectional structural schematic diagram of the high temperature resistant proximity switch of the utility model.

[0026] In the figure: 1. mounting frame; 2. fixing seat; 3. cavity; 4. motor; 5. gear; 6. first L slider; 7. first rack; 8. second L slider; 9. second rack; 10. mounting column; 11. arc plate; 12. clamping block; 13. slide bar; 15. square seat; 16. fixing rod; 17. supporting column; 18. protective shell; 19. circular groove; 20. fixing sleeve block; 21. mounting shell; 23. proximity switch body; 24. heat conducting plate; 25. heat dissipation fins; 26. vent; 27. groove; 28. cooling fan. DETAILED DESCRIPTION

[0027] Please refer to Figures 1 to 6 ,in, Figure 1 It is a three-dimensional structural schematic diagram of a positioning device for a proximity switch of the utility model; Figure 2 It is a three-dimensional cross-sectional structural schematic diagram of the positioning device for a proximity switch of the utility model; Figure 3 It is a partial cross-sectional structural schematic diagram of the positioning device for a proximity switch of the utility model; Figure 4 It is a three-dimensional structural schematic diagram of the high temperature resistant proximity switch of the utility model; Figure 5 It is a first stereoscopic cross-sectional structural schematic diagram of the high temperature resistant proximity switch of the utility model; Figure 6 This is a second perspective cross-sectional structural diagram of the high temperature resistant proximity switch of the utility model. The positioning device for the proximity switch comprises: a mounting frame 1, on which a moving mechanism, two clamping positioning mechanisms and a protective mechanism are arranged;

[0028] The moving mechanism includes a fixed seat 2, a cavity 3, a motor 4, a gear 5, a first L slider 6, a first rack 7, a second L slider 8 and a second rack 9. The fixed seat 2 is fixedly mounted on the bottom inner wall of the mounting frame 1, the cavity 3 is opened on the fixed seat 2, the motor 4 is fixedly mounted on one side inner wall of the cavity 3, the gear 5 is fixedly mounted on the output shaft of the motor 4, the first L slider 6 is slidably mounted on the fixed seat 2, the first rack 7 is fixedly mounted on the bottom of the first L slider 6, the second L slider 8 is slidably mounted on the fixed seat 2, the second rack 9 is fixedly mounted on the second L slider 8, and the gear 5 is meshed with the first rack 7 and the second rack 9;

[0029] The clamping and positioning mechanism includes a mounting column 10, an arc plate 11, multiple springs and a clamping block 12. The mounting column 10 is fixedly mounted on the first L slider 6, the arc plate 11 is fixedly mounted on the mounting column 10, the multiple springs are all fixedly mounted on the arc plate 11, and the clamping block 12 is fixedly mounted on the multiple springs.

[0030] like Figure 1 As shown, the protective mechanism includes two square seats 15, two fixing rods 16, two supporting columns 17, a protective shell 18, a circular groove 19, a transparent shell and a fixed sleeve block 20, the proximity switch is arranged on the fixing seat 2, the two square seats 15 are respectively fixedly mounted on the outer walls of both sides of the mounting frame 1, the two fixing rods 16 are respectively hingedly mounted in the two square seats 15, the two supporting columns 17 are both fixedly mounted on the top of the mounting frame 1, the protective shell 18 is fixedly mounted on the fixing rods 16, the bottom of the protective shell 18 is in contact with the two supporting columns 17, the circular groove 19 is opened on the protective shell 18, and the transparent shell is fixedly mounted in the circular groove 19;

[0031] By providing the protection mechanism, the proximity switch can be protected by the protection shell 18 and the transparent shell to prevent the proximity switch from being damaged by collision with the detected object.

[0032] like Figures 1 to 3 As shown, a slide bar 13 is fixedly mounted on the fixing seat 2, and the slide bar 13 passes through the first L-shaped slide block 6 and the second L-shaped slide block 8 and is slidably connected with the first L-shaped slide block 6 and the second L-shaped slide block 8;

[0033] By providing the slide bar 13 , it is possible to ensure that the first L-shaped slide block 6 and the second L-shaped slide block 8 remain stable during movement.

[0034] like Figure 1 As shown, fixed sleeves 20 are fixedly mounted on the outer walls of both sides of the mounting frame 1, a lock buckle is fixedly mounted on the fixed sleeve 20, a lock door is hingedly mounted on the fixed sleeve 20, a lock block is mounted on the lock door, and the lock buckle and the lock block are adapted;

[0035] By providing the lock buckle and the lock block, when the fixing rod 16 is retracted, it is possible to prevent the fixing rod 16 from slipping off and affecting the installation or removal of the proximity switch by the staff.

[0036] The working principle of the positioning device for proximity switch provided by the utility model is as follows:

[0037] When in use, place the protective shell 18 on the two supporting columns 17, place the proximity switch on the fixing seat 2 and install it in the circular groove 19, which can protect the proximity switch and prevent damage to the proximity switch caused by collision. Then start the motor 4 to drive the gear 5 to rotate, and the gear 5 drives the first L slider 6 and the second L slider 8 to approach each other through the first rack 7 and the second rack 9. The proximity switch is clamped and fixed by the clamping block 12 and the spring arranged on the first L slider 6 and the second L slider 8, so as to position the proximity switch to prevent movement.

[0038] The utility model also provides a high temperature resistant proximity switch, comprising: two vents 26, two grooves 27 and two cooling fans 28, a mounting shell 21, a proximity switch body 23, two heat conducting plates 24, and a plurality of heat dissipation fins 25, wherein the proximity switch body 23 is mounted in the mounting shell 21, the two heat conducting plates 24 are fixedly mounted in the mounting shell 21, and the plurality of heat dissipation fins 25 are respectively fixedly mounted on the two heat conducting plates 24;

[0039] like Figures 4 to 6 As shown, the two ventilation holes 26 are respectively opened on both sides of the installation shell 21 , the two grooves 27 are both opened on the top of the installation shell 21 , and the two cooling fans 28 are respectively fixedly installed in the two grooves 27 .

[0040] The working principle of the high temperature resistant proximity switch provided by the utility model is as follows:

[0041] The utility model can absorb the heat of the proximity switch body 23 by providing the heat dissipation fins 25, and can discharge the heat absorbed by the heat dissipation fins 25 by providing the vents 26 and the heat dissipation fan 28, so that the proximity switch has good heat resistance.

[0042] It should be noted that the equipment structure and drawings of the utility model mainly describe the principle of the utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. On the premise that the technical personnel in this field understand the principle of the above utility model, the details of the power mechanism, power supply system and control system can be clearly known. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be realized by simple programming by the technical personnel in this field;

[0043] The standard parts used therein can all be purchased from the market and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the structures and principles of the components known to technical personnel in this field can be known by these technical personnel through technical manuals or through conventional experimental methods.

[0044] Although the embodiments of the present invention have been shown and described, it is understandable to those skilled in the art that various changes, modifications, substitutions and variations or direct or indirect applications may be made to these embodiments without departing from the principles and spirit of the present invention. In other related technical fields, the scope of the present invention is defined by the appended claims and their equivalents, which are equally included in the scope of patent protection of the present invention.

Claims

1. A positioning device for a proximity switch, characterized in that: include: A mounting frame, wherein the mounting frame is provided with a moving mechanism, two clamping and positioning mechanisms and a protective mechanism; The moving mechanism includes a fixed seat, a cavity, a motor, a gear, a first L-shaped slider, a first rack, a second L-shaped slider and a second rack. The fixed seat is fixedly mounted on the bottom inner wall of the mounting frame. The cavity is opened on the fixed seat. The motor is fixedly mounted on one side inner wall of the cavity. The gear is fixedly mounted on the output shaft of the motor. The first L-shaped slider is slidably mounted on the fixed seat. The first rack is fixedly mounted on the bottom of the first L-shaped slider. The second L-shaped slider is slidably mounted on the fixed seat. The second rack is fixedly mounted on the second L-shaped slider. The gear is meshed with the first rack and the second rack. The clamping and positioning mechanism includes a mounting column, an arc plate, multiple springs and a clamping block. The mounting column is fixedly mounted on the first L-shaped slider, the arc plate is fixedly mounted on the mounting column, the multiple springs are all fixedly mounted on the arc plate, and the clamping block is fixedly mounted on the multiple springs.

2. The positioning device for a proximity switch according to claim 1, characterized in that: The protective mechanism includes two square seats, two fixing rods, two supporting columns, a protective shell, a circular groove, a transparent shell and a fixed sleeve block. The proximity switch is arranged on the fixing seat. The two square seats are respectively fixedly mounted on the outer walls on both sides of the mounting frame. The two fixing rods are respectively hingedly mounted in the two square seats. The two supporting columns are both fixedly mounted on the top of the mounting frame. The protective shell is fixedly mounted on the fixing rods. The bottom of the protective shell is in contact with the two supporting columns. The circular groove is opened on the protective shell, and the transparent shell is fixedly mounted in the circular groove.

3. The positioning device for a proximity switch according to claim 1, characterized in that: A sliding rod is fixedly mounted on the fixing seat, and the sliding rod passes through the first L-shaped sliding block and the second L-shaped sliding block and is slidably connected with the first L-shaped sliding block and the second L-shaped sliding block.

4. The positioning device for a proximity switch according to claim 1, characterized in that: The outer walls on both sides of the mounting frame are fixedly mounted with fixed sleeve blocks, the fixed sleeve blocks are fixedly mounted with lock buckles, the fixed sleeve blocks are hingedly mounted with lock doors, the lock doors are mounted with lock blocks, and the lock buckles and lock blocks are matched.

5. A high temperature resistant proximity switch, characterized in that: include: Two vents, two grooves and two cooling fans, a mounting shell, a proximity switch body, two heat conducting plates, and a plurality of heat dissipation fins. The proximity switch body is mounted in the mounting shell, the two heat conducting plates are fixedly mounted in the mounting shell, and the plurality of heat dissipation fins are respectively fixedly mounted on the two heat conducting plates.

6. The high temperature resistant proximity switch according to claim 5, characterized in that: The two ventilation holes are respectively arranged on two sides of the installation shell, the two grooves are both arranged on the top of the installation shell, and the two heat dissipation fans are respectively fixedly installed in the two grooves.

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