Temperature and humidity standard box with clamping structure

Abstract

The utility model discloses a temperature and humidity standard box with a clamping structure, which comprises a temperature and humidity standard box, the temperature and humidity standard box is provided with a temperature and humidity detection chamber, the temperature and humidity detection chamber is slidably connected with a bottom plate, the bottom plate is connected with a support, the support is connected with a motor, and an output rod of the motor is connected with a cross transmission rod. The support is fixedly connected with a fixed gear on one side of the cross-shaped transmission rod, the four ends of the cross-shaped transmission rod are all rotationally connected with belt wheels, the supporting rod located at one end of the cross-shaped transmission rod is rotationally connected with a round rod, the two ends of the round rod are connected with a rotating gear and a tensioning wheel respectively, the four belt wheels jointly wind a restraining belt, and the restraining belt is matched with the tensioning wheel. One side of the belt wheel is fixedly connected with a mounting block, and the surface of the mounting block is connected with an automatic clamping mechanism.

Description

Technical Field

[0001] The utility model belongs to the technical field of temperature and humidity standard boxes, and particularly relates to a temperature and humidity standard box with a clamping structure. Background Art

[0002] A temperature and humidity calibration chamber is a high-precision temperature and humidity field device used to calibrate hair thermometers, bimetallic thermometers, and other types of temperature and humidity probes. It can also be used for high-precision constant temperature and humidity testing projects. Currently, some existing temperature and humidity standard chambers typically include multiple shelves arranged vertically within the chamber. To improve temperature and humidity uniformity, most use fans to enhance circulation. However, the large number of shelves affects airflow, gradually weakening the flow and leading to variations in internal temperature and humidity uniformity, which in turn affects accuracy. Furthermore, different thermometers have different specifications, while the test chambers contain the same test panels. During temperature and humidity testing, the temperature and humidity within the temperature and humidity standard chamber are adjusted through air circulation. This can lead to unstable installation of the thermometer to be tested within the chamber, affecting observation by personnel. Therefore, a temperature and humidity standard chamber with a clamping structure is proposed to address the aforementioned technical issues. Utility Model Content

[0003] In view of the problems raised by the above background technology, the purpose of the present invention is to provide a temperature and humidity standard box with a clamping structure.

[0004] In order to achieve the above technical objectives, the technical solutions adopted by this utility model are as follows:

[0005] A temperature and humidity standard box with a clamping structure includes a temperature and humidity standard box, the temperature and humidity standard box is provided with a temperature and humidity detection chamber, the temperature and humidity detection chamber is slidably connected to a base plate, the base plate is connected to a bracket, the bracket is connected to a motor, the output rod of the motor is connected to a cross transmission rod, the bracket is fixedly connected to a fixed gear on one side of the cross transmission rod, the four ends of the cross transmission rod are rotatably connected to pulleys, the support rod located at one end of the cross transmission rod is rotatably connected to a round rod, the two ends of the round rod are respectively connected to a rotating gear and a tensioner pulley, the four pulleys are wrapped around a restraining belt together, the restraining belt cooperates with the tensioner pulley and is tightened under the action of the tensioner pulley, one side of each pulley is fixedly connected to a mounting block, and the surface of the mounting block is connected to an automatic clamping mechanism.

[0006] It is further defined that a first dovetail-shaped slider is connected to the bottom of the base plate, a first dovetail-shaped groove adapted to the first dovetail slider is provided at the bottom of the inner wall of the temperature and humidity detection chamber, and a U-shaped handle is connected to one side of the base plate. Such a structural design can conveniently, quickly and smoothly pull the base plate and its connecting components out of the temperature and humidity detection chamber, making it convenient to place and remove the detection items.

[0007] It is further defined that the automatic clamping mechanism includes a mounting base connected to the upper side of the mounting block, the two ends of the mounting base are respectively connected to an electric telescopic rod and an end fixing block, the end of the electric telescopic rod is connected to a moving block, the two ends of the moving block are hinged with a first support rod, the two ends of the end fixing block are hinged with a cylinder, the outer wall of the axial body of the cylinder is connected to a second support rod and a clamping arm at a certain angle, and the ends of the first support rod and the second support rod are hinged. With such a structural design, the electric telescopic rod acts as the power end and cooperates with each transmission component to drive the clamping arms on both sides to automatically clamp and fix the monitored items.

[0008] It is further defined that the mounting seat is arranged in a cross shape, two second dovetail-shaped sliders are connected to the lower side of the moving block, and the mounting seat is provided with a second dovetail-shaped slot adapted for the sliding of the second dovetail slider. Such a structural design can enhance the connection stability of the mounting seat and improve the stability of the moving block during movement.

[0009] It is further defined that the clamping arm includes a fixed connecting head fixedly connected to the outer wall of the cylindrical shaft body and a V-shaped clamping arm, the end of the V-shaped clamping arm is connected to a plug-in block, the fixed connecting head is provided with a slot adapted to fit the plug-in block, a bolt is connected between the fixed connecting head and the plug-in block, and a matching rubber pad is adhered to the inner wall of the V-shaped clamping arm. Such a structural design can facilitate the later maintenance and replacement of the clamping arm.

[0010] The beneficial effects of the utility model are:

[0011] 1. The utility model slides and connects the bottom plate in the temperature and humidity standard box, which can facilitate the quick installation and removal of the monitored items from the temperature and humidity standard box. The bottom plate is connected to the bracket, motor, cross transmission rod, fixed gear, rotating gear, pulley, tensioner and restraining belt and other connecting components. The restraint and coordination between the components ensure that the pulleys, mounting blocks and automatic clamping mechanisms at each end maintain the same direction during the period of revolution around the axis of the cross transmission rod, thereby achieving the effect of strengthening the parallel stability of the mounting blocks and the automatic clamping mechanism. Such a structural design can prevent the problem of uneven airflow during the detection process, improve the uniformity of airflow, and thus enhance the detection accuracy;

[0012] 2. In addition, mounting blocks are provided on one side of the multiple pulleys at the end of the cross transmission rod to connect to the automatic clamping mechanism, which can achieve the effect of automatically clamping and fixing each monitored object, thereby enhancing the installation stability of the temperature and humidity meter to be tested inside the test box, making it easier for staff to observe. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The present invention can be further described by way of non-limiting examples given in the accompanying drawings;

[0014] Figure 1 This is a front view of the structure of an open temperature and humidity standard box with a clamping structure according to the present invention;

[0015] Figure 2 This is a schematic diagram of the structure of the automatic clamping mechanism in an embodiment of a temperature and humidity standard box with a clamping structure of the present invention;

[0016] Figure 3 This is a schematic exploded view of the structure of the automatic clamping mechanism in an embodiment of a temperature and humidity standard box with a clamping structure of the present invention.

[0017] The main component symbols are described as follows:

[0018] Temperature and humidity standard box 1, temperature and humidity detection chamber 101, bottom plate 102, first dovetail slider 1021, U-shaped handle 1022, bracket 103;

[0019] Cross transmission rod 2, support rod 2001, pulley 201, round rod 202, rotating gear 203, tensioner 204, and restraining belt 205;

[0020] Fixed gear 3;

[0021] Install block 4;

[0022] Automatic clamping mechanism 5, mounting base 501, second dovetail slide 5011, electric telescopic rod 502, end fixing block 503, moving block 504, second dovetail slider 5041, first support rod 505, cylinder 506, second support rod 507, clamping arm 508, fixed connector 5081, V-shaped clamping arm 5082, insert block 5083, slot 5084, bolt 5085, rubber pad 5086. DETAILED DESCRIPTION

[0023] In order to enable those skilled in the art to better understand the present invention, the technical solution of the present invention is further described below with reference to the accompanying drawings and embodiments.

[0024] like Figure 1-3As shown, the utility model is a temperature and humidity standard box with a clamping structure, including a temperature and humidity standard box 1, the temperature and humidity standard box 1 is provided with a temperature and humidity detection chamber 101, the temperature and humidity detection chamber 101 is slidably connected to a base plate 102, the base plate 102 is connected to a bracket 103, the bracket 103 is connected to a motor, the output rod of the motor is connected to a cross transmission rod 2, the bracket 103 is fixedly connected to a fixed gear 3 on one side of the cross transmission rod 2, the four ends of the cross transmission rod 2 are rotatably connected to pulleys 201, the support rod 2001 located at one end of the cross transmission rod 2 is rotatably connected to a round rod 202, the two ends of the round rod 202 are respectively connected to a rotating gear 203 and a tensioner 204, the four pulleys 201 are wrapped around a restraining belt 205 together, the restraining belt 205 cooperates with the tensioner 204, and is tightened under the action of the tensioner 204, each pulley 201 is fixedly connected to a mounting block 4 on one side, and an automatic clamping mechanism 5 is connected to the surface of the mounting block 4.

[0025] In the embodiment of this case, after the staff opens the switch door of the temperature and humidity detection chamber 101, they slide out the bottom plate 102 and its connecting components, place each thermometer and hygrometer to be tested on each mounting block 4 in turn, and limit and fix them by the automatic clamping mechanism 5. After pushing the bottom plate 102 and its connecting components into the temperature and humidity detection chamber 101, the switch door is closed. This structural design can enhance the installation stability of the thermometer and hygrometer to be tested inside the detection box, making it easier for the staff to observe.

[0026] When the fan is used to enhance the circulation in order to improve the uniformity of temperature and humidity, the motor is turned on by the central controller, and the motor drives the cross transmission rod 2 at the output end to rotate. When the cross transmission rod 2 rotates, it drives the pulleys 201 at each end, the mounting block 4 and the automatic clamping mechanism 5 to realize the revolution with it as the axis. It should be noted that the rotation direction between the components is as follows: Figure 1 As shown, when the cross transmission rod 2 drives the four pulleys 201 to rotate forward, the restraining belt 205 drives the rotating gear 203 to rotate forward around the fixed gear 3 through the tensioner 204. Due to the restraining effect of the restraining belt 205 and the tensioner 204, the pulleys 201, the mounting block 4 and the automatic clamping mechanism 5 at each end maintain the same direction during the revolution, thereby achieving the effect of strengthening the parallel stability of the mounting block 4 and the automatic clamping mechanism 5. Such a structural effect can prevent the problem of uneven airflow during the detection process, improve the uniformity of airflow, and thus enhance the detection accuracy.

[0027] Preferably, a first dovetail-shaped slider 1021 is connected to the bottom of the base plate 102, and a first dovetail-shaped slot adapted to the first dovetail slider 1021 is provided at the bottom of the inner wall of the temperature and humidity detection chamber 101. A U-shaped handle 1022 is connected to one side of the base plate 102. This structural design allows the base plate 102 and its connected components to be easily, quickly, and smoothly pulled out of the temperature and humidity detection chamber 101, making it easier to place and remove test items. In fact, other structural shapes that facilitate sliding connection of the base plate 102 can also be considered according to specific circumstances.

[0028] Preferably, the automatic clamping mechanism 5 includes a mounting base 501 connected to the upper side of the mounting block 4, and the two ends of the mounting base 501 are respectively connected to an electric telescopic rod 502 and an end fixing block 503, the end of the electric telescopic rod 502 is connected to a moving block 504, the two ends of the moving block 504 are hinged with a first support rod 505, the two ends of the end fixing block 503 are hinged with a cylinder 506, the outer wall of the axial body of the cylinder 506 is connected to a second support rod 507 and a clamping arm 508 at a certain angle, and the ends of the first support rod 505 and the second support rod 507 are hinged. With such a structural design, the electric telescopic rod 502 acts as the power end and cooperates with various transmission components to drive the clamping arms 508 on both sides to automatically clamp and fix the monitored items. In the embodiment of this case, the thermometer and hygrometer to be tested is placed on the upper side of the mounting block 4, and then the electric telescopic rod 502 is turned on. When the electric telescopic rod 502 drives the moving block 504 to push forward, the hinge angle between the inner sides of the first support rod 505 and the second support rod 507 becomes smaller, and the ends of the clamping arms 508 on both sides move toward each other to clamp and fix the monitored item. When the test is completed, the electric telescopic rod 502 is controlled to drive the moving block 504 to pull back, the hinge angle between the inner sides of the first support rod 505 and the second support rod 507 becomes larger, and the ends of the clamping arms 508 on both sides move in the opposite direction to release the monitored item.

[0029] Preferably, the mounting base 501 is arranged in a cross shape, with two second dovetail-shaped sliders 5041 connected to the lower side of the moving block 504. The mounting base 501 is provided with a second dovetail-shaped slot 5011 adapted to slide the second dovetail sliders 5041. This structural design can enhance the connection stability of the mounting base 501 and improve the stability of the moving block 504 during movement. In fact, other structural shapes that can improve the movement stability of the moving block 504 can also be considered according to specific circumstances.

[0030] Preferably, the clamping arm 508 includes a fixed connector 5081 fixedly connected to the outer wall of the cylinder 506 and a V-shaped clamping arm 5082. The end of the V-shaped clamping arm 5082 is connected to an insert block 5083. The fixed connector 5081 has a slot 5084 adapted to receive the insert block 5083. A bolt 5085 is connected between the fixed connector 5081 and the insert block 5083. A matching rubber pad 5086 is adhered to the inner wall of the V-shaped clamping arm 5082. This structural design facilitates the subsequent maintenance and replacement of the clamping arm 508. In fact, other structural shapes of the clamping arm 508 that are convenient for installation and removal can also be considered according to specific circumstances.

[0031] The above embodiments are merely illustrative of the principles and effects of the present invention and are not intended to limit the present invention. Anyone skilled in the art may modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by persons skilled in the art without departing from the spirit and technical principles disclosed herein shall be covered by the claims of the present invention.

Claims

1. A temperature and humidity standard box with a clamping structure, comprising a temperature and humidity standard box (1), wherein the temperature and humidity standard box (1) is provided with a temperature and humidity detection chamber (101), wherein the temperature and humidity detection chamber (101) is slidably connected to a bottom plate (102), and wherein the bottom plate (102) is connected to a bracket (103), wherein: The bracket (103) is connected to a motor, and the output rod of the motor is connected to a cross transmission rod (2). The bracket (103) is fixedly connected to a fixed gear (3) on one side of the cross transmission rod (2). The four ends of the cross transmission rod (2) are rotatably connected to pulleys (201). The support rod (2001) located at one end of the cross transmission rod (2) is rotatably connected to a round rod (202). The two ends of the round rod (202) are respectively connected to a rotating gear (203) and a tensioning wheel (204). The four pulleys (201) are wound around a restraining belt (205) together. The restraining belt (205) cooperates with the tensioning wheel (204) and is tightened under the action of the tensioning wheel (204). One side of each pulley (201) is fixedly connected to a mounting block (4). The surface of the mounting block (4) is connected to an automatic clamping mechanism (5).

2. The temperature and humidity standard box with a clamping structure according to claim 1, characterized in that: The bottom of the base plate (102) is connected to a first dovetail-shaped slider (1021), the bottom of the inner wall of the temperature and humidity detection chamber (101) is provided with a first dovetail-shaped slot adapted to fit the first dovetail-shaped slider (1021), and one side of the base plate (102) is connected to a U-shaped handle (1022).

3. The temperature and humidity standard box with a clamping structure according to claim 2, characterized in that: The automatic clamping mechanism (5) comprises a mounting seat (501) connected to the upper side of the mounting block (4); the two ends of the mounting seat (501) are respectively connected to an electric telescopic rod (502) and an end fixing block (503); the end of the electric telescopic rod (502) is connected to a moving block (504); the two ends of the moving block (504) are hinged with a first support rod (505); the two ends of the end fixing block (503) are hinged with a cylinder (506); the outer wall of the shaft of the cylinder (506) is connected to a second support rod (507) and a clamping arm (508) at a certain angle; the ends of the first support rod (505) and the second support rod (507) are hinged.

4. The temperature and humidity standard box with a clamping structure according to claim 3, characterized in that: The mounting seat (501) is arranged in a cross shape, two second dovetail-shaped sliders (5041) are connected to the lower side of the moving block (504), and the mounting seat (501) is provided with a second dovetail-shaped sliding groove (5011) adapted to slide the second dovetail-shaped sliders (5041).

5. The temperature and humidity standard box with a clamping structure according to claim 4, characterized in that: The clamping arm (508) includes a fixed connector (5081) fixedly connected to the outer wall of the cylinder (506) and a V-shaped clamp arm (5082); the end of the V-shaped clamp arm (5082) is connected to an insert block (5083); the fixed connector (5081) is provided with a slot (5084) adapted to be inserted into the insert block (5083); a bolt (5085) is connected between the fixed connector (5081) and the insert block (5083); and a matching rubber pad (5086) is adhered to the inner wall of the V-shaped clamp arm (5082).

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