Fuming cupboard displacement sensor

Abstract

The utility model discloses a displacement sensor for a fuming cupboard, and relates to the technical field of sensors. Comprising a fixing plate, a control mechanism, a monitoring mechanism and a fixing mechanism are installed on the two sides of the fixing plate respectively, the monitoring mechanism comprises a supporting column, and the supporting column is fixedly connected to the middle of one side of the fixing plate. The supporting column is fixedly connected to the middle of one side of the fixing plate, the air cylinders are fixedly connected to the two ends of the middle of the side, located on the supporting column, of the fixing plate, the first fixing column is fixedly connected to the top end of the supporting column, the telescopic arms are rotationally connected to the two ends of the first fixing column, and the second fixing column is fixedly connected to the output ends of the two air cylinders. The second fixing column is rotationally connected with the top end of the telescopic arm, the telescopic arm is driven to be opened and closed through work of the air cylinder, and therefore the distance between the distance sensor and the installation position can be adjusted, and damage caused by collision of the fuming cupboard due to the fact that the distance is too small during installation is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to sensor technology field, concretely is fume hood displacement sensor. BACKGROUND

[0002] The fume hood is also called the fume hood, and a displacement sensor needs to be used in the installation process of the fume hood, and the displacement sensor is widely used for measuring elongation, thickness, expansion and other data parameters.

[0003] The displacement sensor with the publication number CN217877527U exposes the following defects in use:

[0004] The distance can be measured by the displacement sensor during the installation of the fume hood, the sensitivity of the above device cannot be adjusted during use, so that the fume hood is easy to be knocked when being installed in a relatively small space, thereby causing the loss of the fume hood, so that a fume hood displacement sensor capable of being adjusted is urgently needed. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a fume hood displacement sensor to solve the problems in the above background technology.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a fume hood displacement sensor, comprising a fixed plate, control mechanism, monitoring mechanism and fixing mechanism are respectively installed on both sides of the fixed plate, the monitoring mechanism comprises a supporting column, the supporting column is fixedly connected to the middle of one side of the fixed plate, a first fixed column perpendicular to the supporting column is fixedly connected to the end of the supporting column away from the fixed plate, two telescopic arms are rotatably connected to the ends of the first fixed column, the two telescopic arms are in a rhombus shape, two air cylinders are fixedly connected to the middle of one side of the fixed plate, the output ends of the two air cylinders are fixedly connected with second fixed columns, the second fixed columns are perpendicular to the air cylinders, a distance sensor is fixedly connected between the two second fixed columns, and the top ends of the two telescopic arms and the inner sides of the corresponding second fixed columns are rotatably connected.

[0007] Preferably, the two telescopic arms are rotatably connected with third fixed columns at the middle of both ends, the third fixed columns are parallel to the first fixed columns and the second fixed columns, a bidirectional telescopic rod is fixedly connected between the opposite inner walls of the two third fixed columns, and the bidirectional telescopic rod is perpendicular to the third fixed columns.

[0008] Preferably, the control mechanism comprises a power supply box and a monitoring alarm, the power supply box and the monitoring alarm are fixedly connected to both ends of the fixed plate on one side of the supporting column, a plug is mounted on one side of the power supply box, and the plug, the power supply box, the monitoring alarm and the distance sensor are electrically connected in sequence.

[0009] Preferably, the fixing mechanism comprises placing grooves, the placing grooves are provided with two, the two placing grooves are respectively arranged at the two ends of the side of the fixing plate opposite to the support column, the placing grooves and the two-way telescopic rod are parallel, and the inner wall of each placing groove is fixedly connected with a matched sliding column.

[0010] Preferably, the outer wall of the sliding column is sleeved with a matched spring at both ends, one end of the spring is fixed to the inner wall of the placing groove, the other end of the spring is fixedly connected with a sliding block, the sliding block and the sliding column are slidingly connected, and the two sliding blocks on the same side of the two sliding columns are fixedly connected with arc-shaped tiles away from the side of the fixing plate, and the two arc-shaped tiles are symmetrically distributed.

[0011] Preferably, screw holes are arranged around the outer wall of the arc-shaped tile, the arc-shaped tile is screw-connected with a bolt through the screw holes, the one end of the bolt is screw-connected with a nut penetrating through the outer side of one of the arc-shaped tiles, the two arc-shaped tiles are screw-fastened through the bolt and the nut, the inner sides of the two arc-shaped tiles are respectively attached with matched protective gaskets, and the outer walls of the two arc-shaped tiles are respectively provided with handles.

[0012] Compared with the prior art, the ventilated cabinet displacement sensor has the advantages that:

[0013] The ventilated cabinet displacement sensor has the advantages that: the support column is fixedly connected to the middle of one side of the fixing plate, the air cylinders are fixedly connected to the middle of one side of the fixing plate at both ends, the first fixed column is fixedly connected to the top end of the support column, the telescopic arm is rotatably connected to both ends of the first fixed column, the second fixed column is fixedly connected to the output end of the two air cylinders and rotatably connected to the top end of the telescopic arm, the telescopic arm is driven to open and close by the air cylinders, and thus the distance between the distance sensor and the mounting position can be adjusted, so that the distance is prevented from being too small to cause the ventilated cabinet to be bumped and damaged during installation. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 FIG. 1 is a structure schematic view of the ventilated cabinet displacement sensor shaft side of the utility model;

[0015] Figure 2 FIG. 5 is a structure schematic view of the control mechanism of the ventilated cabinet displacement sensor of the utility model;

[0016] Figure 3 FIG. 8 is a structure schematic view of the fixing mechanism of the ventilated cabinet displacement sensor of the utility model;

[0017] Figure 4 FIG. 11 is a structure schematic view of the monitoring mechanism of the ventilated cabinet displacement sensor of the utility model.

[0018] In the figure: 1, fixed plate; 2, control mechanism; 201, monitoring alarm; 202, power supply box; 203, plug; 3, monitoring mechanism; 301, support column; 302, first fixed column; 303, air cylinder; 304, second fixed column; 305, telescopic arm; 306, two-way telescopic rod; 307, third fixed column; 308, distance sensor; 4, fixed mechanism; 401, placing groove; 402, sliding column; 403, spring; 404, arc-shaped tile; 405, sliding block; 406, protective gasket; 407, bolt; 408, nut; 409, handle. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0020] The fume hood is also called the fume cabinet. During the installation of the fume hood, a displacement sensor is usually used in matching. The displacement sensor is widely used for measuring data parameters such as elongation, thickness and expansion. The application is characterized in that a support column is fixedly connected to the middle of one side of the fixed plate, an air cylinder is fixedly connected to the middle of one side of the fixed plate, a first fixed column is fixedly connected to the top of the support column, a telescopic arm is rotatably connected to the two ends of the first fixed column, a second fixed column is fixedly connected to the output end of the two air cylinders, the second fixed column is rotatably connected to the top of the telescopic arm, the telescopic arm is driven to open and close by the air cylinder, so that the distance between the distance sensor and the installation position can be adjusted, so that the fume hood is prevented from being damaged due to collision during installation. The sliding column, the sliding block, the spring and the arc-shaped tile are arranged, so that the device is convenient to install. The monitoring alarm is arranged, so that the alarm can be triggered when the measured value is less than the set value, thereby reminding the worker.

[0021] As Figures 1-4The utility model provides a technical scheme: fume hood displacement sensor, including fixed plate 1, the both sides of fixed plate 1 are installed control mechanism 2, monitoring mechanism 3 and fixed mechanism 4 respectively, monitoring mechanism 3 includes support column 301, support column 301 fixedly connected in the middle of one side of fixed plate 1, the one end of support column 301 away from fixed plate 1 is fixedly connected with the first fixed column 302 perpendicular to support column 301, the both ends of first fixed column 302 are rotatably connected with telescopic arm 305, two telescopic arms 305 are diamond shape, the both ends of fixed plate 1 located in the middle of one side of support column 301 are fixedly connected with cylinder 303, the output of two cylinders 303 is fixedly connected with second fixed column 304 respectively, second fixed column 304 is perpendicular to cylinder 303, fixedly connected with distance sensor 308 between two second fixed columns 304, the top of two telescopic arms 305 and the inside of corresponding second fixed column 304 are rotatably connected, by fixedly connecting support column 301 in the middle of one side of fixed plate 1, fixedly connecting cylinder 303 in the both ends of fixed plate 1 located in the middle of one side of support column 301, fixedly connecting first fixed column 302 on the top of support column 301, fixedly connecting second fixed column 304 on the output of two cylinders 303, the top of second fixed column 304 and telescopic arm 305 are rotatably connected, by cylinder 303 work drives telescopic arm 305 to open and shut, thereby can adjust the interval between distance sensor 308 and installation position, thereby avoid when installing, cause interval too small to cause fume hood to knock and thereby cause damage.

[0022] The both ends of two telescopic arms 305 are rotatably connected with third fixed column 307, third fixed column 307 and first fixed column 302, second fixed column 304 are parallel, two third fixed columns 307 are fixedly connected with bidirectional telescopic rod 306 between opposite inner walls, bidirectional telescopic rod 306 and third fixed column 307 are perpendicular.

[0023] Control mechanism 2 includes power supply box 202 and monitoring alarm 201, and monitoring alarm 201 is fixedly connected in the both ends of fixed plate 1 located in one side of support column 301 respectively, one side of power supply box 202 is provided with plug 203, plug 203, power supply box 202, monitoring alarm 201 and distance sensor 308 are electrically connected in sequence, by setting monitoring alarm 201, when the measured value is less than the set value, alarm can be triggered, thereby reminding staff.

[0024] Fixed mechanism 4 includes placing groove 401, and two placing grooves 401 are arranged, two placing grooves 401 are respectively arranged at the both ends of the side opposite to support column 301 of fixed plate 1, placing groove 401 and bidirectional telescopic rod 306 are parallel, the inner wall of each placing groove 401 is fixedly connected with the sliding column 402 that is suitable.

[0025] The outer wall of the sliding column 402 is sleeved with a matched spring 403 at both ends, one end of the spring 403 is fixed to the inner wall of the placing groove 401, the other end of the spring 403 is fixedly connected with a sliding block 405, the sliding block 405 is slidingly connected with the sliding column 402, the two sliding blocks 405 away from the side of the fixed plate 1 are fixedly connected with arc-shaped tiles 404 at the same side of the two sliding columns 402, the two arc-shaped tiles 404 are symmetrically distributed, by arranging the sliding column 402, the sliding block 405, the spring 403 and the arc-shaped tile 404, the device is convenient to install.

[0026] The outer wall of the arc-shaped tile 404 is provided with a threaded hole around, the arc-shaped tile 404 is threadedly connected with a bolt 407 through the threaded hole, the one end of the bolt 407 is threadedly connected with a nut 408 outside one of the arc-shaped tiles 404, the two arc-shaped tiles 404 are threadedly fastened by the bolt 407 and the nut 408, the inner sides of the two arc-shaped tiles 404 are respectively pasted with matched protective gaskets 406, and the outer walls of the two arc-shaped tiles 404 are respectively provided with handles 409.

[0027] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended embodiments and their equivalents.

Claims

1. Fume hood displacement sensor comprising a fixed plate (1), characterized in that: Both sides of the fixed plate (1) are respectively provided with a control mechanism (2), a monitoring mechanism (3) and a fixed mechanism (4), the monitoring mechanism (3) comprises a supporting column (301), the supporting column (301) is fixedly connected to the middle of one side of the fixed plate (1), one end of the supporting column (301) away from the fixed plate (1) is fixedly connected with a first fixed column (302) perpendicular to the supporting column (301), both ends of the first fixed column (302) are rotatably connected with telescopic arms (305), the two telescopic arms (305) are in the shape of a diamond, the fixed plate (1) is located in the middle of one side of the supporting column (301), both ends of the fixed plate (1) are fixedly connected with air cylinders (303), the output ends of the two air cylinders (303) are fixedly connected with second fixed columns (304), the second fixed columns (304) are perpendicular to the air cylinders (303), a distance sensor (308) is fixedly connected between the two second fixed columns (304), and the top ends of the two telescopic arms (305) are rotatably connected with the inner sides of the corresponding second fixed columns (304).

2. The fume hood displacement sensor of claim 1, wherein: Both ends of the middle of the two telescopic arms (305) are rotatably connected with third fixed columns (307), the third fixed columns (307) are parallel to the first fixed column (302) and the second fixed column (304), and a bidirectional telescopic rod (306) is fixedly connected between the opposite inner walls of the two third fixed columns (307), the bidirectional telescopic rod (306) is perpendicular to the third fixed column (307).

3. The fume hood displacement sensor of claim 1, wherein: The control mechanism (2) comprises a power supply box (202) and a monitoring alarm (201), and the power supply box (202) and the monitoring alarm (201) are fixedly connected to both ends of one side of the fixed plate (1) located on the supporting column (301), one side of the power supply box (202) is provided with a plug (203), and the plug (203), the power supply box (202), the monitoring alarm (201) and the distance sensor (308) are sequentially and electrically connected.

4. The fume hood displacement sensor of claim 2, wherein: The fixed mechanism (4) comprises placing grooves (401), the two placing grooves (401) are respectively arranged at both ends of the side of the fixed plate (1) opposite to the supporting column (301), the placing grooves (401) are parallel to the bidirectional telescopic rod (306), and the inner walls of each placing groove (401) are fixedly connected with a matching sliding column (402).

5. The fume hood displacement sensor of claim 4, wherein: Spring (403) is sleeved on the outer wall of both ends of the sliding column (402), one end of the spring (403) is fixedly connected with the inner wall of the placing groove (401), the other end of the spring (403) is fixedly connected with a sliding block (405), the sliding block (405) is slidably connected with the sliding column (402), and the two sliding blocks (405) on one side of the two sliding columns (402) away from the fixed plate (1) are fixedly connected with arc-shaped tiles (404), and the two arc-shaped tiles (404) are symmetrically distributed.

6. The fume hood displacement sensor of claim 5, wherein: The arc-shaped tile (404) is provided with threaded holes around the outer wall, the arc-shaped tile (404) is threadedly connected with bolts (407) through the threaded holes, one end of the bolt (407) is threadedly connected with a nut (408) penetrating through the outer side of one of the arc-shaped tiles (404), the two arc-shaped tiles (404) are threadedly fastened through the bolts (407) and the nuts (408), the inner sides of the two arc-shaped tiles (404) are respectively attached with matched protective gaskets (406), and the outer walls of the two arc-shaped tiles (404) are respectively provided with handles (409).

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