Novel bimetal thermometer

Abstract

The utility model relates to the technical field of thermometers, in particular to a novel bimetal thermometer. The novel bimetal thermometer provided by the utility model solves the technical problem that the measuring head of the bimetal thermometer in the prior art is easy to damage. A novel bimetal thermometer comprises a frame body, the frame body is provided with a thermometer body, the frame body is further provided with a sliding frame, the sliding frame and a protection tube are arranged, a lead screw drives the sliding frame to move, the thermometer body is fixed to the sliding frame, in the measuring process, a user does not directly make contact with the thermometer body, the frame body is held by hands, and the thermometer body is fixed to the frame body. And then the lead screw is rotated, so that the lead screw drives the thermometer body to displace, the measuring head leaves the protective tube for measurement, or the measuring head enters the protective tube, and the protective tube is used for protecting the measuring head. And after use, the measuring head is positioned in the protection tube, so that the measuring head is not easy to damage, and the service life of the measuring head is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to thermometer technical field especially relates to a novel bimetallic thermometer. BACKGROUND

[0002] Bimetallic thermometer combines two kinds of metals with different linear expansion coefficients together, one end is fixed, when temperature changes, two kinds of metals thermal expansion are different, drive the pointer deflection to indicate temperature, this is bimetallic strip thermometer. Temperature measuring range is -80 DEG C to 500 DEG C, it is applicable to the temperature measurement of industrial precision requirement is not high. Bimetallic strip as a kind of temperature sensing element can also be used for temperature automatic control.

[0003] The bimetallic thermometer in the prior art is directly held by the user in the use process, the measuring head of the bimetallic thermometer is inserted into the medium to be measured, and after use, the bimetallic thermometer is directly placed in the target position. The measuring head of the bimetallic thermometer with the structure cannot be effectively protected, and the measuring head of the bimetallic thermometer is easy to be damaged.

[0004] Therefore, the bimetallic thermometer in the prior art has the technical problem that the measuring head is easy to be damaged. SUMMARY

[0005] The novel bimetallic thermometer provided by the utility model solves the technical problem that the measuring head of the bimetallic thermometer in the prior art is easy to be damaged.

[0006] Some embodiments for solving the above technical problems include:

[0007] A novel bimetallic thermometer includes a frame, the frame is provided with a thermometer body, the frame is further provided with a sliding frame, the sliding frame is slidingly connected to the frame, and the thermometer body is arranged on the frame through the sliding frame.

[0008] The thermometer body includes a table body and a measuring rod arranged on the table body, and one end of the measuring rod away from the table body is provided with a measuring head.

[0009] The frame is provided with a protective tube for protecting the measuring head, and the protective tube is provided with a through hole matched with the measuring rod.

[0010] The frame is further provided with a lead screw for driving the sliding frame to slide along the frame, the lead screw is rotationally connected to the frame, and the sliding frame is provided with a screw hole matched with the lead screw.

[0011] The lead screw drives the sliding frame to move in a first direction, the measuring head extends out of the protective tube in a direction away from the frame, the lead screw drives the sliding frame to move in a second direction, and the measuring head retreats into the protective tube.

[0012] As preferred, the frame body comprises guide rails, the sliding frame is provided with sliding holes matched with the guide rails, and the lead screw is arranged in parallel with the guide rails.

[0013] As preferred, the guide rails are two, the two guide rails are respectively arranged at two sides of the sliding frame, the sliding holes are two, each of the sliding holes is matched with an independent guide rail, and the two guide rails are arranged in parallel.

[0014] As preferred, the frame body further comprises a front end frame arranged at one end of the guide rails, the protective tube is arranged on the front end frame, and the front end frame is welded to the guide rails.

[0015] As preferred, the frame body further comprises a rear end frame arranged at an end of the guide rails away from the front end frame, the rear end frame is fixed to the guide rails through screw threads, one end of the lead screw is rotationally connected to the front end frame, and the other end of the lead screw is rotationally connected to the rear end frame.

[0016] As preferred, the rear end frame is provided with a driver for driving the lead screw to rotate.

[0017] As preferred, the driver is a handle rotationally connected to the rear end frame, or the driver is a motor arranged on the rear end frame, and an output shaft of the motor is connected to the lead screw through a shaft coupling.

[0018] As preferred, the lead screw is provided with baffles at two ends thereof, the baffles are in an integral structure with the lead screw, one of the baffles is in contact with the front end frame, and the other of the baffles is in contact with the rear end frame.

[0019] As preferred, the frame body is further provided with a tube body for protecting the measuring rod, the tube body is sleeved on the measuring rod, and the measuring head protrudes out of the tube body.

[0020] As preferred, the tube body has a polygonal cross section, and the tube body is fixed to the frame body through screw threads.

[0021] Compared with the prior art, the utility model has the following advantages:

[0022] By arranging the sliding frame and the protective tube, and by driving the sliding frame to displace through the lead screw, the thermometer body is fixed on the sliding frame, in the measuring process, the user does not directly contact the thermometer body, but holds the frame body, then rotates the lead screw, and drives the thermometer body to displace through the lead screw, so that the measuring head is separated from the protective tube to measure, or the measuring head enters the protective tube to protect the measuring head. After use, the measuring head is located in the protective tube, so that the measuring head is not easy to be damaged, and the service life of the measuring head is prolonged.

[0023] After the measurement, the measuring head is brought into the protection tube by rotating the screw rod, and the protection tube cover is arranged outside the measuring head. The measuring head usually has a high temperature after the measurement, and the measuring head is stored in the protection tube, which can prevent the measuring head from contacting the human body and improve the safety of the bimetallic thermometer.

[0024] By arranging the screw rod and the screw hole, the rotation of the screw rod can drive the slide to displace the thermometer body. The screw rod and the screw hole have self-locking property, and the measuring head can be positioned at the target position without arranging an independent locking mechanism after the measuring head is displaced to the target position. The structure of the frame is simplified, and the manufacturing cost of the frame is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0025] For the purpose of explanation, several embodiments of the present technical solution are set forth in the following drawings. The following drawings are incorporated into this text and form part of the specific embodiments. In some cases, well-known structures and components are shown in block diagram form in order to avoid obscuring the concepts of the present technical solution.

[0026] Fig. 1 It is a schematic view of the measuring head entering the protection tube.

[0027] Fig. 2 It is a schematic view of the measuring head measuring the medium to be measured.

[0028] Fig. 3 It is a schematic view of the frame.

[0029] Fig. 4 It is a schematic view of the first angle after the thermometer body is assembled to the slide.

[0030] Fig. 5 It is a schematic view of the second angle after the thermometer body is assembled to the slide.

[0031] In the drawings:

[0032] 1. frame, 11. slide, 111. slide hole, 12. protection tube, 13. screw rod, 131. baffle, 14. guide rail, 15. front end frame, 16. rear end frame, 17. driver.

[0033] 2. thermometer body, 21. meter body, 22. measuring rod, 23. measuring head. DETAILED DESCRIPTION

[0034] The detailed embodiments shown below are intended to be illustrative of the various configurations of the inventive subject matter and are not intended to represent the only configurations in which the inventive subject matter can be practiced. The detailed embodiments include specific details for the purpose of providing a thorough understanding of the inventive subject matter. However, it will be apparent to those skilled in the art that the inventive subject matter can be practiced without these specific details.

[0035] It is to be understood that the terminology used herein such as "first" and "second", etc. is intended to distinguish one entity or operation from another one, but does not indicate or imply any actual relationship or sequence between the entities or operations.

[0036] The terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element preceded by "comprises a" does not, without more constraints, foreclose the existence of additional identical elements in the process, method, article, or apparatus that comprises the recited element.

[0037] Referring to Figs. 1 to 5 As shown in the figure, a new bimetallic thermometer comprises a frame body 1, the frame body 1 is provided with a thermometer body 2, the frame body 1 is further provided with a sliding frame 11, the sliding frame 11 is slidingly connected to the frame body 1, the thermometer body 2 is arranged on the frame body 1 through the sliding frame 11;

[0038] The thermometer body 2 comprises a table body 21 and a measuring rod 22 arranged on the table body 21, one end of the measuring rod 22 away from the table body 21 is provided with a measuring head 23;

[0039] The frame body 1 is provided with a protection tube 12 for protecting the measuring head 23, the protection tube 12 is provided with a through hole matched with the measuring rod 22;

[0040] The frame body 1 is further provided with a lead screw 13 for driving the sliding frame 11 to slide along the frame body 1, the lead screw 13 is rotationally connected to the frame body 1, the sliding frame 11 is provided with a screw hole matched with the lead screw 13;

[0041] The lead screw 13 drives the sliding frame 11 to move in a first direction, the measuring head 23 extends out of the protection tube 12 in a direction away from the frame body 1, the lead screw 13 drives the sliding frame 11 to move in a second direction, the measuring head 23 retreats into the protection tube 12.

[0042] The specific structure and working principle of the thermometer body 2 refer to the prior art, which will not be described here.

[0043] The protective tube 12 and the frame body 1 can be made of heat insulation material, that is, the temperature of the measuring head 23 rises after contacting the measured medium, and the heat of the measuring head 23 after the temperature rises will not be conducted to the frame body 1, that is, the frame body 1 always remains in a reasonable temperature range, so that the user will not be scalded when operating the frame body 1.

[0044] In some embodiments, a heat insulation cylinder can be arranged between the protective tube 12 and the measuring head 23, which can be fixed in the protective tube 12, or the heat insulation cylinder can also be an integral structure with the protective tube 12.

[0045] Referring to Figs. 1 to 5 In some embodiments, the frame body 1 includes guide rails 14, the sliding carriage 11 is provided with sliding holes 111 matched with the guide rails 14, and the lead screw 13 is arranged in parallel with the guide rails 14.

[0046] The guide rails 14 are two, and the two guide rails 14 are respectively located on the two sides of the sliding carriage 11. The sliding holes 111 are two, and each sliding hole 111 is matched with an independent guide rail 14. In addition, the two guide rails 14 are arranged in parallel.

[0047] The cross-sectional shape of the guide rail 14 can be circular or polygonal. The cross-sectional shape of the guide rail 14 is preferably polygonal, so that the guide rail 14 has better bending strength and is not easy to bend during long-term use.

[0048] Referring to Figs. 1 to 5 In some embodiments, the frame body 1 further includes a front end frame 15 arranged at one end of the guide rail 14, the protective tube 12 is arranged on the front end frame 15, and the front end frame 15 is welded to the guide rail 14.

[0049] The front end frame 15 can be an integral structure with the guide rail 14, or the front end frame 15 can be fixed to the guide rail 14 through detachable connection.

[0050] The protective tube 12 can be an integral structure with the front end frame 15. Alternatively, since the protective tube 12 needs to isolate heat, the protective tube 12 can be fixed to the front end frame 15 through detachable or non-detachable connection.

[0051] In some embodiments, the frame body 1 further includes a rear end frame 16 arranged at an end of the guide rail 14 away from the front end frame 15, the rear end frame 16 is fixed to the guide rail 14 through threads, one end of the lead screw 13 is rotationally connected to the front end frame 15, and the other end of the lead screw 13 is rotationally connected to the rear end frame 16.

[0052] In some embodiments, the rear end frame 16 is provided with a driver 17 for driving the rotation of the lead screw 13.

[0053] The driver 17 is a handle rotatably connected to the rear end frame 16, or the driver 17 is a motor provided on the rear end frame 16, and the output shaft of the motor is connected to the lead screw 13 through a shaft coupling.

[0054] When the driver 17 is a handle, since the user does not directly contact the thermometer body 2, the user holds the frame body 1 with one hand, and rotates the handle with the other hand, at this time, the user can be effectively prevented from contacting the measuring head 23, and the user can be prevented from being scalded by the measuring head 23.

[0055] When the driver 17 is a motor, the motor directly drives the rotation of the lead screw 13, and the measuring head 23 does not need to be manually operated when entering or leaving the protection tube 12, and the operation performance of the bimetallic thermometer is optimized.

[0056] In some embodiments, the lead screw 13 is provided with a baffle plate 131 at each end, and the baffle plate 131 is an integral structure with the lead screw 13, one of the baffle plates 131 is in contact with the front end frame 15, and the other baffle plate 131 is in contact with the rear end frame 16.

[0057] The baffle plate 131 increases the contact area of the lead screw 13 with the front end frame 15 and the rear end frame 16, and the lead screw 13 is not prone to misalignment relative to the front end frame 15 and the rear end frame 16.

[0058] In some embodiments, the meter body 21 is further provided with a tube for protecting the measuring rod 22, the tube is sleeved on the measuring rod 22, and the measuring head 23 protrudes out of the tube.

[0059] The tube has a polygonal cross-sectional shape, and the tube is fixed to the meter body 21 through threads.

[0060] The tube can be made of a heat-insulating material.

[0061] The above describes the subject technical scheme of the utility model and the corresponding details, and it can be understood that the above description is only some implementation of the subject technical scheme of the utility model, and some details can be omitted in the specific implementation.

[0062] In addition, in some embodiments of the above utility model, a plurality of embodiments can be combined for implementation, and various combination schemes are not listed one by one due to the limited space. Those skilled in the art can freely combine the above embodiments according to the needs in the specific implementation to obtain better application experience.

[0063] The person skilled in the art can obtain other detailed configurations or drawings according to the subject technical scheme of the utility model and the drawings when implementing the subject technical scheme of the utility model, and it is obvious that these details still belong to the range covered by the subject technical scheme of the utility model on the premise of not departing from the subject technical scheme of the utility model.

Claims

1. A novel bimetallic thermometer characterized by: The utility model provides a temperature measuring device, including frame (1), frame (1) is provided with thermometer body (2), frame (1) is further provided with slide (11), slide (11) is slidingly connected in frame (1), thermometer body (2) is set up in frame (1) through slide (11), thermometer body (2) includes table body (21) and the measuring rod (22) of setting up at table body (21), the one end of measuring rod (22) away from table body (21) is provided with measuring head (23), frame (1) is provided with the protection pipe (12) of protecting measuring head (23), protection pipe (12) is provided with the through -hole of cooperation with measuring rod (22), frame (1) is further provided with the lead screw (13) of drive slide (11) along frame (1) sliding, lead screw (13) is rotatably connected in frame (1), slide (11) is provided with the screw hole of cooperation with lead screw (13), lead screw (13) drive slide (11) moves along the first direction, and measuring head (23) extends out protection pipe (12) in the direction away from frame (1), lead screw (13) drive slide (11) moves along the second direction, and measuring head (23) retreats in protection pipe (12).

2. The novel bimetallic thermometer according to claim 1, characterized in that: Frame (1) includes guide rail (14), slide (11) is provided with the sliding hole (111) of cooperation with guide rail (14), and lead screw (13) is arranged in parallel with guide rail (14).

3. The novel bimetallic thermometer according to claim 2, characterized in that: The guide rail (14) has two, and the two guide rails (14) are located on the two sides of the slide (11), the sliding hole (111) has two, each sliding hole (111) is matched with an independent guide rail (14), and the two guide rails (14) are arranged in parallel.

4. The novel bimetallic thermometer according to claim 3, characterized in that: The frame (1) further includes a front end frame (15), the front end frame (15) is arranged at one end of the guide rail (14), the protection pipe (12) is arranged on the front end frame (15), and the front end frame (15) is welded to the guide rail (14).

5. The novel bimetallic thermometer according to claim 4, characterized in that: The frame (1) further includes a rear end frame (16), the rear end frame (16) is arranged at an end of the guide rail (14) away from the front end frame (15), the rear end frame (16) is fixed to the guide rail (14) by screwing, one end of the lead screw (13) is rotatably connected to the front end frame (15), and the other end of the lead screw (13) is rotatably connected to the rear end frame (16).

6. The novel bimetallic thermometer according to claim 5, characterized in that: The rear end frame (16) is provided with a driver (17) for driving the lead screw (13) to rotate.

7. The novel bimetallic thermometer according to claim 6, characterized in that: The driver (17) is a handle rotatably connected to the rear end frame (16), or the driver (17) is a motor arranged on the rear end frame (16), and an output shaft of the motor is connected to the lead screw (13) through a shaft coupling.

8. The novel bimetallic thermometer according to claim 7, characterized in that: The two ends of the screw rod (13) are respectively provided with baffle plates (131), the baffle plates (131) and the screw rod (13) are integrated structures, one of the baffle plates (131) is in contact with the front end frame (15), and the other baffle plate (131) is in contact with the rear end frame (16).

9. The novel bimetallic thermometer according to claim 1, characterized in that: The table body (21) is further provided with a pipe body for protecting the measuring rod (22), the pipe body is sleeved on the measuring rod (22), and the measuring head (23) protrudes from the pipe body.

10. The novel bimetallic thermometer according to claim 9, characterized in that: The cross-sectional shape of the pipe body is a polygon, and the pipe body is fixed to the table body (21) through threads.

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