CN112683424B - A accurate detection device for mercury thermometer production - Google Patents
A accurate detection device for mercury thermometer production Download PDFInfo
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- CN112683424B CN112683424B CN202011405668.6A CN202011405668A CN112683424B CN 112683424 B CN112683424 B CN 112683424B CN 202011405668 A CN202011405668 A CN 202011405668A CN 112683424 B CN112683424 B CN 112683424B
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Abstract
The invention discloses an accurate detection device for mercury thermometer production, which comprises a bottom box, wherein the upper end of the bottom box is fixedly connected with a fixed box, the upper end of the fixed box is fixedly connected with a vertically arranged fixed cylinder in a penetrating manner, a horizontally arranged sliding plate is connected in the fixed cylinder in a sliding manner, a plurality of detection cylinders are fixedly connected on the sliding plate in a penetrating manner, clamping rings are connected in the detection cylinders in a sliding manner, two vertically arranged threaded rods are rotatably connected to the inner side wall of the fixed box, threaded sleeves are sleeved on the threaded rods in a threaded manner, the two threaded sleeves are fixedly connected with the sliding plate through connecting blocks, and a driving mechanism for driving the threaded rods to rotate is arranged in the bottom box. According to the invention, the detection cylinder is arranged, so that the stability of the control quantity can be ensured, the detection efficiency is higher, and the detection precision is better; by arranging the supply mechanism, the temperature of the detection liquid can be ensured to be constant during detection every time, and the stability of constant quantity is further controlled.
Description
Technical Field
The invention relates to the technical field related to thermometer production equipment, in particular to an accurate detection device for mercury thermometer production.
Background
Mercury thermometers, one type of inflatable thermometer, are used only as a locally supervised instrument. The method is used for measuring the temperature, is simple and visual, can avoid the error of an external remote thermometer, and is an important step in the calibration comparison of thermometer measurement in the production of mercury thermometers.
However, a general detection device only places thermometers into a detection solution at a certain temperature for detection, and since detection and calibration of thermometers are generally realized by a control variable method, uniform treatment of a plurality of thermometers easily causes different water entry depths of the thermometers, which causes different constant quantities, and further causes an overlarge difference in detection results, thereby affecting overall judgment.
Disclosure of Invention
The invention aims to provide an accurate detection device for mercury thermometer production, which solves the problem that the constant quantity is difficult to control and results in deviation in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an accurate detection device for mercury thermometer production comprises a bottom box, wherein a fixed box is fixedly connected to the upper end of the bottom box, a vertically arranged fixed cylinder is fixedly connected to the upper end of the fixed box in a penetrating manner, a horizontally arranged sliding plate is fixedly connected to the fixed cylinder in a sliding manner, a plurality of detection cylinders are fixedly connected to the sliding plate in a penetrating manner, a snap ring is fixedly connected to the detection cylinders in a sliding manner, two vertically arranged threaded rods are rotatably connected to the inner side wall of the fixed box, threaded sleeves are sleeved on the threaded rods in a threaded manner, the two threaded sleeves are fixedly connected with the sliding plate through connecting blocks, a driving mechanism for driving the threaded rods to rotate is arranged in the bottom box, a detection box with an opening at the upper end is fixedly connected to the inner bottom surface of the fixed box, two supply mechanisms are arranged on the outer side wall of the fixed box, each supply mechanism comprises a water storage tank, and the water storage tanks are communicated with the interior of the detection boxes through supply pipes, the rotary shaft that the rotation was connected with the level and sets up in the feed pipe, helical blade has been cup jointed in the pivot, and two helical blade in the feed mechanism revolves to opposite direction, the fixed box outside is equipped with and is used for transmitting pivot pivoted drive mechanism.
Preferably, the connecting block penetrates through the side wall of the fixed cylinder in a sliding mode and is fixedly connected with the sliding plate, a strip-shaped groove matched with the connecting block penetrates through the sliding plate, and the connecting block and the strip-shaped groove slide mutually.
Preferably, the driving mechanism comprises horizontally arranged worms, the lower ends of the two threaded rods are rotatably penetrated through the upper ends of the fixed box and the bottom box and rotatably connected to the inner bottom surface of the bottom box, worm wheels are coaxially and fixedly sleeved on the positions, corresponding to the worms, of the two rotating shafts, and the worms are meshed with the worm wheels.
Preferably, the motor is fixedly installed on the outer side wall of the bottom box, and one end of the worm, which is close to the motor, rotates to penetrate through the side wall of the bottom box and is coaxially and fixedly connected with the output end of the motor.
Preferably, two the water storage box in the supply mechanism communicates each other through many connecting pipes, just bottom surface fixedly connected with constant temperature strip in the water storage box, water storage box lateral wall fixedly connected with power, power and constant temperature strip electric connection.
Preferably, drive mechanism includes three belt pulleys, two the one end that the pivot is close to the water storage box is all sealed to be rotated and is run through the supply tube and respectively with the coaxial fixed connection of belt pulley, just the one end rotation that the worm is close to the water storage box runs through end box lateral wall and with the coaxial fixed connection of a belt pulley, three the belt pulley passes through belt mutual drive.
Preferably, the worm is coaxially and fixedly sleeved with a one-way bearing, and a belt pulley on the worm is fixedly sleeved on the one-way bearing.
Preferably, the upper end of the sliding plate is fixedly connected with a vertically arranged support rod, and the upper end of the support rod is fixedly connected with a horizontally arranged cover plate.
Preferably, the fixed cylinder inside wall fixedly connected with annular elastic sealing ring, just a plurality of stoppers of fixedly connected with on the snap ring lateral wall, the fixed cylinder inside wall be equipped with stopper assorted spacing groove, stopper and spacing groove sliding connection.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, by arranging the clamping ring and the detection cylinder, when the thermometer is put in, as the diameter difference exists between the cylinder of the thermometer and the vacuole and the diameter of the vacuole is smaller than that of the cylinder, when the thermometer is inserted into the detection cylinder, the vacuole at the lower end of the thermometer can pass through the round hole in the middle of the clamping ring, and the cylinder cannot pass through the round hole in the middle of the clamping ring due to larger radius, so that the position of the thermometer is limited, and as a plurality of detection cylinders are arranged, the plurality of thermometers can keep the same position and the same water inlet depth of the vacuole at the detection and calibration time, the stability of control quantity is ensured through the detection cylinders and the internal structure, so that the detection efficiency is higher, and the detection precision is better.
2. The invention has the advantages that the feeding mechanism and the detection box are arranged, only one rotation direction of the worm can be received by the belt pulley due to the arrangement of the one-way bearing, namely, when the sliding plate is pulled up with a plurality of thermometers through the threaded rod and the threaded sleeve and the next batch of thermometers is replaced, the replacement of the detection liquid in the detection box can be completed through the transmission mechanism, and during the process that the threaded rod and the threaded sleeve pull the sliding plate down and carry out the second detection, because of the arrangement of the one-way bearing, the supply mechanism can not generate any mechanical movement, when the thermometer to be detected is replaced, the detection liquid in the detection box can be simultaneously replaced, thereby ensuring the constant temperature of the detection liquid during each detection, further controlling the stability of the constant quantity, so as to avoid the influence on the detection and calibration result caused by the temperature change of the detection liquid which is placed for a long time.
Drawings
FIG. 1 is a front sectional view of the present invention;
FIG. 2 is an enlarged view of the structure of FIG. 1 at A in accordance with the present invention;
fig. 3 is a sectional view of the top structure of fig. 1 according to the present invention.
In the figure: 1. a bottom case; 2. a fixing box; 3. a fixed cylinder; 4. a sliding plate; 5. a detection cylinder; 6. a snap ring; 7. a threaded rod; 8. a threaded sleeve; 9. connecting blocks; 10. a detection cartridge; 11. a water storage tank; 12. a supply pipe; 13. a rotating shaft; 14. a helical blade; 15. a strip-shaped groove; 16. a worm; 17. a worm gear; 18. a motor; 19. a connecting pipe; 20. a constant temperature strip; 21. a power source; 22. a belt pulley; 23. a belt; 24. a one-way bearing; 25. a support bar; 26. a cover plate; 27. an elastic sealing ring; 28. a limiting block; 29. a limiting groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, an embodiment of the present invention is shown:
an accurate detection device for mercury thermometer production comprises a bottom box 1, a fixed box 2 is fixedly connected to the upper end of the bottom box 1, a vertically arranged fixed cylinder 3 is fixedly connected to the upper end of the fixed box 2 in a penetrating manner, a horizontally arranged sliding plate 4 is slidably connected to the fixed cylinder 3, a plurality of detection cylinders 5 are fixedly connected to the sliding plate 4 in a penetrating manner, a snap ring 6 is slidably connected to the detection cylinders 5 in a sliding manner, specifically, a plurality of limit blocks 28 are fixedly connected to the side wall of the snap ring 6, limit grooves 29 matched with the limit blocks 28 are arranged on the inner side wall of the fixed cylinder 3, the limit blocks 28 are slidably connected with the limit grooves 29, an annular elastic sealing ring 27 is fixedly connected to the inner side wall of the fixed cylinder 3, after a thermometer is inserted into the detection cylinders 5, the elastic sealing ring 27 can ensure the sealing performance and the connection stability between the thermometer and the elastic sealing ring 27, and it should be noted that a vertically arranged support rod 25 is fixedly connected to the upper end of the sliding plate 4, the upper end of the support rod 25 is fixedly connected with a horizontally arranged cover plate 26.
According to the invention, due to the arrangement of the clamping ring 6 and the detection cylinder 5, when the thermometer is thrown in, as the diameter difference exists between the cylinder of the thermometer and the vacuole, and the diameter of the vacuole is smaller than that of the cylinder, when the thermometer is inserted into the detection cylinder 5, the vacuole at the lower end of the thermometer can pass through the round hole in the middle of the clamping ring 6, and the cylinder cannot pass through the round hole in the middle of the clamping ring 6 due to the larger radius, so that the position of the thermometer is limited, and due to the arrangement of the detection cylinders 5, the plurality of thermometers can keep the same position and the same immersion depth of the vacuole at the moment of detection and calibration, the stability of the control quantity is ensured through the detection cylinders 5 and the internal structure, so that the detection precision is better while the detection efficiency is higher.
In the invention, the inner side wall of a fixed box 2 is rotationally connected with two vertically arranged threaded rods 7, threaded sleeves 8 are sleeved on the threaded rods 7 in a threaded manner, the two threaded sleeves 8 are fixedly connected with a sliding plate 4 through connecting blocks 9, concretely, the connecting blocks 9 slidably penetrate through the side wall of the fixed cylinder 3 and are fixedly connected with the sliding plate 4, strip-shaped grooves 15 matched with the connecting blocks 9 are penetratingly arranged on the sliding plate 4, the connecting blocks 9 and the strip-shaped grooves 15 slide mutually, a driving mechanism for driving the threaded rods 7 to rotate is arranged in a bottom box 1 and comprises horizontally arranged worms 16, the lower ends of the two threaded rods 7 rotatably penetrate through the fixed box 2 and the upper end of the bottom box 1 and are rotatably connected with the inner bottom surface of the bottom box 1, worm wheels 17 are coaxially and fixedly sleeved on the positions of two rotating shafts 13 corresponding to the worms 16, the worms 16 are mutually meshed with the worm wheels 17, and a motor 18 is fixedly arranged on the outer side wall of the bottom box 1, one end of the worm 16 close to the motor 18 is rotated to penetrate through the side wall of the bottom box 1 and is coaxially and fixedly connected with the output end of the motor 18.
According to the invention, the inner bottom surface of the fixed box 2 is fixedly connected with the detection box 10 with an opening at the upper end, the outer side wall of the fixed box 2 is provided with two supply mechanisms, each supply mechanism comprises a water storage tank 11, the water storage tank 11 is communicated with the inside of the detection box 10 through a supply pipe 12, a horizontally arranged rotating shaft 13 is rotatably connected in the supply pipe 12, the rotating shaft 13 is sleeved with a helical blade 14, and the helical blades 14 in the two supply mechanisms are opposite in rotation direction.
In the invention, the water storage tanks 11 in the two supply mechanisms are mutually communicated through a plurality of connecting pipes 19, the inner bottom surfaces of the water storage tanks 11 are fixedly connected with the constant temperature strips 20, the outer side walls of the water storage tanks 11 are fixedly connected with the power supply 21, and the power supply 21 is electrically connected with the constant temperature strips 20.
In the invention, a transmission mechanism for transmitting the rotation of the rotating shafts 13 is arranged on the outer side of the fixed box 2, the transmission mechanism comprises three belt discs 22, one ends of the two rotating shafts 13, which are close to the water storage tank 11, are sealed and rotated to penetrate through the supply pipe 12 and are respectively and fixedly connected with the belt discs 22 coaxially, one ends of the worms 16, which are close to the water storage tank 11, are rotated to penetrate through the side wall of the bottom box 1 and are fixedly connected with one belt disc 22 coaxially, it is noted that a one-way bearing 24 is fixedly sleeved on the worms 16 coaxially, the belt discs 22 on the worms 16 are fixedly sleeved on the one-way bearing 24, and the three belt discs 22 are mutually transmitted through a belt 23.
In the present invention, the arrangement of the feeding mechanism and the detecting box 10, due to the arrangement of the one-way bearing 24, enables the worm 16 to be received by the belt pulley 22 only in one rotation direction, namely, when the sliding plate 4 with a plurality of thermometers is pulled upwards through the threaded rod 7 and the threaded sleeve 8 and the thermometers in the next batch are replaced, the replacement of the detection liquid in the detection box 10 can be completed through the transmission mechanism, and during the second check when the threaded rod 7 and the threaded sleeve 8 pull the slide plate 4 downwards, due to the provision of the one-way bearing 24, no mechanical movement can occur within the feed mechanism, the thermometer to be tested is replaced, the test solution in the test cassette 10 can be replaced at the same time, thereby ensuring the constant temperature of the detection liquid during each detection, further controlling the stability of the constant quantity, so as to avoid the influence on the detection and calibration result caused by the temperature change of the detection liquid which is placed for a long time.
The working principle is as follows: when the thermometer is inserted into the detection cylinder 5, because the diameter difference exists between the cylinder of the thermometer and the vacuole, and the diameter of the vacuole is smaller than that of the cylinder, when the thermometer is inserted into the detection cylinder 5, the vacuole at the lower end of the thermometer can pass through the round hole in the middle of the snap ring 6, and the cylinder cannot pass through the round hole in the middle of the snap ring 6 because of the larger radius, so as to limit the position of the thermometer, after the thermometer and the snap ring 6 are pushed downwards to the lowest end of the detection cylinder, loading is completed, after the thermometers in the detection cylinders 5 are all loaded, the output end of the motor 18 can be started to rotate in the positive direction, at the moment, the output end of the motor 18 drives the worm 16 to rotate, the rotation of the worm 16 is transmitted to the threaded rod 7 through the worm wheel 17, and because of the one-way bearing 24, the rotation of the worm 16 cannot be transmitted to the belt pulley 22 through the one-way bearing 24, the belt pulley 22 is in a non-rotating state at the moment, so that the threaded rod 7 drives the threaded sleeve 8 to move downwards, the threaded sleeve 8 drives the sliding plate 4 and the detection cylinder 5 to move downwards along the fixed cylinder 5 until the limiting block 28 moves to the bottommost part of the limiting groove 29 and is in contact with the lower end of the limiting groove 29 and cannot move, at the moment, the vacuole at the lower end of the thermometer just enters the detection liquid below the detection box 10, the depths of the thermometers are the same, and meanwhile, the cover plate 26 enters the fixed cylinder 3 and seals and keeps the fixed cylinder 3 warm;
when the temperature timer needs to be replaced or taken out, the output end of the motor 18 is started to rotate reversely, at the moment, the output end of the motor 18 drives the threaded rod 7 to rotate through the worm 16 and the worm wheel 17, the threaded sleeve 8 drives the sliding plate 4 to move upwards, the cover plate 26 moves to the upper side of the fixed cylinder 3, because the reverse rotation of the worm 16 can be transmitted to the belt pulley 22 through the one-way bearing 24 at the moment, the belt pulley 22 drives the other two belt pulleys 22 and the rotating shaft 13 to rotate through the belt 23, the rotating shaft 13 drives the spiral blades 14 to rotate, and because the rotating directions of the spiral blades 14 at two sides are opposite, the spiral blades 14 at one side draw out the liquid in the detection box 10, and the spiral blades 14 at the other side input the liquid in the water storage box 11 into the detection box 10, so as to complete the replacement of the liquid in the detection box 10, after the threaded sleeve 8 drives the sliding plate 4 to move to the uppermost end, the motor 18 can be turned off and the thermometer removed from the test cartridge 5 and replaced.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (5)
1. An accurate detection device for mercury thermometer production, comprising a bottom case (1), characterized in that: the upper end of the bottom box (1) is fixedly connected with a fixed box (2), the upper end of the fixed box (2) is fixedly connected with a vertically arranged fixed cylinder (3) in a penetrating manner, the fixed cylinder (3) is connected with a horizontally arranged sliding plate (4) in a sliding manner, the sliding plate (4) is fixedly connected with a plurality of detection cylinders (5) in a penetrating manner, the detection cylinders (5) are connected with a snap ring (6) in a sliding manner, the inner side wall of the fixed box (2) is rotatably connected with two vertically arranged threaded rods (7), threaded sleeves (8) are sleeved on the threaded rods (7) in a threaded manner, the two threaded sleeves (8) are fixedly connected with the sliding plate (4) through connecting blocks (9), a driving mechanism for driving the threaded rods (7) to rotate is arranged in the bottom box (1), the upper end of the bottom surface of the fixed box (2) is fixedly connected with a detection box (10) with an opening, the outer side wall of the fixed box (2) is provided with two supply mechanisms, each supply mechanism comprises a water storage tank (11), each water storage tank (11) is communicated with the interior of the detection box (10) through a supply pipe (12), a rotating shaft (13) which is horizontally arranged is rotatably connected to the supply pipe (12), the rotating shaft (13) is sleeved with a helical blade (14), the rotating directions of the helical blades (14) in the two supply mechanisms are opposite, and the outer side of the fixed box (2) is provided with a transmission mechanism for transmitting the rotating shaft (13) to rotate;
the driving mechanism comprises a horizontally arranged worm (16), the lower ends of the two threaded rods (7) rotatably penetrate through the upper ends of the fixed box (2) and the bottom box (1) and are rotatably connected to the inner bottom surface of the bottom box (1), worm wheels (17) are coaxially and fixedly sleeved on the positions, corresponding to the worm (16), of the two rotating shafts (13), and the worm (16) is meshed with the worm wheels (17);
a motor (18) is fixedly installed on the outer side wall of the bottom box (1), and one end, close to the motor (18), of the worm (16) rotatably penetrates through the side wall of the bottom box (1) and is coaxially and fixedly connected with the output end of the motor (18);
the transmission mechanism comprises three belt discs (22), one ends of the two rotating shafts (13) close to the water storage tank (11) are hermetically and rotatably penetrated through the supply pipe (12) and are respectively and fixedly connected with the belt discs (22) in a coaxial mode, one ends of the worms (16) close to the water storage tank (11) are rotatably penetrated through the side wall of the bottom box (1) and are fixedly connected with one belt disc (22) in a coaxial mode, and the three belt discs (22) are mutually transmitted through a belt (23);
the worm (16) is coaxially and fixedly sleeved with a one-way bearing (24), and a belt pulley (22) on the worm (16) is fixedly sleeved on the one-way bearing (24).
2. A precise detection device for mercury thermometer production as claimed in claim 1, wherein: the connecting block (9) slides and penetrates through the side wall of the fixed cylinder (3) and is fixedly connected with the sliding plate (4), a strip-shaped groove (15) matched with the connecting block (9) penetrates through the sliding plate (4), and the connecting block (9) and the strip-shaped groove (15) slide mutually.
3. A precise detection device for mercury thermometer production as claimed in claim 1, wherein: two water storage tank (11) in the feed mechanism communicates each other through many connecting pipes (19), just bottom fixedly connected with constant temperature strip (20) in water storage tank (11), water storage tank (11) lateral wall fixedly connected with power (21), power (21) and constant temperature strip (20) electric connection.
4. A precise detection device for mercury thermometer production as claimed in claim 1, wherein: the upper end of the sliding plate (4) is fixedly connected with a vertically arranged supporting rod (25), and the upper end of the supporting rod (25) is fixedly connected with a horizontally arranged cover plate (26).
5. A precise detection device for mercury thermometer production as claimed in claim 1, wherein: fixed cylinder (3) inside wall fixedly connected with annular elastic sealing ring (27), just a plurality of stopper (28) of fixedly connected with on snap ring (6) lateral wall, fixed cylinder (3) inside wall be equipped with stopper (28) assorted spacing groove (29), stopper (28) and spacing groove (29) sliding connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202011405668.6A CN112683424B (en) | 2020-12-03 | 2020-12-03 | A accurate detection device for mercury thermometer production |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011405668.6A CN112683424B (en) | 2020-12-03 | 2020-12-03 | A accurate detection device for mercury thermometer production |
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| CN112683424A CN112683424A (en) | 2021-04-20 |
| CN112683424B true CN112683424B (en) | 2022-05-17 |
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