Thermometer convenient to calibrate

Abstract

The utility model relates to the technical field of thermometers, in particular to a thermometer convenient to calibrate, which comprises a thermometer body, an opening is arranged on the front end face of the thermometer body, a threaded column is arranged in the middle of the opening, a thermometer pointing shaft is arranged in the middle of the threaded column, a pointer is arranged at the end of the thermometer pointing shaft, and a calibration component is arranged in the opening. A limiting plate is arranged at the front end of the calibration assembly, a protective cover is arranged at the front end of the thermometer body, and the calibration assembly comprises a calibration plate; according to the thermometer convenient to calibrate, the calibration plate is rotatably connected with the fixing ring, the worm gear ring is combined with the worm on the rotating rod, the calibration plate is rotatably connected under the cooperation of the screwing handle, then the calibration cooperation of the corresponding thermometer dial is achieved, the limiting plate is arranged to be in plug-in cooperation with the threaded column, and the position is stipulated under the cooperation of the nut; under the cooperation of the protective cover with the transparent cover, the front end of the thermometer body is protected, and the damage influence of the external environment on the pointer and the calibration plate is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of temperature meters, in particular to a temperature meter that is easy to calibrate. Background Art

[0002] The thermometer includes a disc-shaped body, a probe is provided at the lower end of the body, the probe is inserted into the object to be measured, and the measured temperature is displayed through a pointer in the body;

[0003] The utility model with the announcement number CN212567704U discloses a temperature gauge that is easy to calibrate, including a temperature gauge body, a transparent cover plate and a glass plate, the rear side of the temperature gauge body is connected with a heat-conducting cap, and a limiting groove is arranged inside the temperature gauge body, the transparent cover plate is installed through the inside of the temperature gauge body, and a connecting groove is opened inside the transparent cover plate, the glass plate is installed in the limiting groove and inside the limiting groove, and a rubber pad is installed on the front side of the glass plate, the rear surface of the rubber pad is connected with a first rubber plate, and a second rubber plate is installed on the inner side of the first rubber plate, a connecting cover is installed on the front side of the rubber pad, and a fixing plate is placed inside the fixing groove, and a screw is installed inside the fixing plate;

[0004] The above technical solution not only facilitates the disassembly and calibration of the device, but also avoids the generation of water mist inside, making it convenient to see the data on the temperature meter body clearly; however, when calibrating the thermometer scale, it is necessary to disassemble the outer structure of the thermometer, and the disassembly and installation takes time, which is not convenient for quick adjustment and coordination, and the overall anti-collision protection is not convenient. Utility Model Content

[0005] The purpose of the utility model is to provide a thermometer that is easy to calibrate, so as to solve the problem that the thermometer that is easy to calibrate is provided in the above-mentioned background technology with the authorization publication number CN212567704U, but when calibrating the scale line of the thermometer, it is necessary to disassemble the outer structure of the thermometer, the disassembly and installation takes time, it is not convenient for quick adjustment and coordination, and the whole is not convenient for anti-collision protection.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A thermometer that is easy to calibrate, comprising a thermometer body, an opening on the front end face of the thermometer body, a threaded column in the middle of the opening, a thermometer pointing axis in the middle of the threaded column, a pointer at the end of the thermometer pointing axis, a calibration component in the opening, a limit plate at the front end of the calibration component, a protective cover at the front end of the thermometer body, the calibration component comprising a calibration plate, a plurality of scale lines on the front end face of the calibration component near the edge, a worm gear ring on the outer wall of the calibration plate, a rotating rod above the worm gear ring, a worm on the rotating rod corresponding to the worm gear ring, one end of the rotating rod passes through the thermometer body, and a twist handle is provided at the end.

[0008] Preferably, a fixing seat is provided at the bottom of the thermometer body, and a heat-conducting rod connected to the thermometer pointing axis inside the thermometer body is provided in the middle of the fixing seat.

[0009] In the utility model, the heat conducting rod is convenient for receiving the temperature change of the external environment and conducting it to the inner wall of the thermometer body, and under the cooperation of the pointing shaft of the thermometer, the pointer is rotated to realize the temperature measurement and display.

[0010] Preferably, a protective cap is provided at the bottom of the fixing seat, and a plurality of ventilation holes are provided on the outer wall of the protective cap near the bottom.

[0011] In the utility model, the protective cap cooperates to protect the heat-conducting rod and reduce the damage to the heat-conducting rod caused by the external environment. The multiple ventilation holes cooperate to help the air circulation around the heat-conducting rod and facilitate the conduction of ambient temperature.

[0012] Preferably, a rotating hole is opened in the middle of the calibration plate, a fixing ring is provided at the bottom of the threaded column, the inner diameter of the rotating hole is matched with the outer diameter of the fixing ring, the fixing ring is rotatably connected to the rotating hole, the scale lines are distributed in a ring shape with equal intervals, the worm gear ring and the calibration plate are an integrally formed structure, the worm is meshed with the worm gear ring, the worm and the rotating rod are an integrally formed structure, the rotating rod is rotatably connected to the thermometer body, and the handle is fixedly connected to the rotating rod by a screw.

[0013] In the utility model, the opening of the rotating hole, in cooperation with the fixed ring, realizes the flexible rotation of the calibration plate, and the cooperation of multiple scale lines helps to display the temperature value displayed at the pointer position in real time. In cooperation with the worm and the worm gear ring, the handle is rotated to drive the worm to rotate, thereby realizing the rotation of the worm gear ring, and finally driving the calibration plate to rotate, thereby realizing the corresponding calibration adjustment.

[0014] Preferably, the threaded column is symmetrically provided with sliding grooves, the limiting plate is provided with a circular groove in the middle, a sliding block is provided in the middle of the circular groove corresponding to the sliding groove, the inner diameter of the circular groove is matched with the outer diameter of the threaded column, a notch is provided on the limiting plate corresponding to the scale line, a nut is provided between the limiting plate and the pointer, and the nut is threadedly connected to the threaded column.

[0015] In the utility model, the limit plate is plugged into and matched with the threaded column under the cooperation of the slider, and the limit plate and the threaded column are fixedly connected under the cooperation of the nut. Under the cooperation of the notch, the scale line and the pointer are helpful to correspond.

[0016] Preferably, a transparent cover is provided in the middle of the outer side surface of the protective cover, and the transparent cover is bonded and fixed to the protective cover. A plurality of anti-slip columns are provided on the outer wall of the protective cover, and the anti-slip columns are distributed in a circular shape with equal intervals. A threaded ring is provided on the inner wall of the protective cover, and the threaded ring and the protective cover are an integrally formed structure, and the threaded ring is threadedly connected to the inner wall of the front end opening of the thermometer body.

[0017] In the utility model, the transparent cover is made of tempered glass, which makes it easy to observe the position of the internal pointer and scale line through the protective cover. With the cooperation of the protective column, the contact area is increased, which makes it easy to manually rotate the protective cover. The threaded ring is combined with the inner wall thread of the front end opening of the thermometer body, thereby realizing the combined installation or disassembly of the protective cover and the thermometer body.

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] 1. The utility model realizes the rotational connection of the calibration plate and the fixed ring by setting the calibration plate and the worm ring and the worm on the rotating rod, and then realizes the corresponding temperature dial calibration cooperation by cooperating with the screw handle, and sets the limit plate and the threaded column to cooperate with the nut to regulate the position, and realizes the protection of the front end of the temperature meter body by the protective cover with a transparent cover, so as to reduce the damage of the pointer and the calibration plate by the external environment.

[0020] 2. The utility model provides a limit plate with a slider that stably plugs into the slide groove on the threaded column, and a protective cap with a vent hole that plugs into the fixed seat, thereby protecting the bottom of the heat-conducting rod and reducing the impact of external contact damage to the heat-conducting rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the calibration adjustment state structure of the utility model;

[0023] Figure 3 This is a schematic diagram of the combined structure of the limit plate and the temperature gauge body of the utility model;

[0024] Figure 4 This is a schematic diagram of the protective cover structure of the utility model;

[0025] Figure 5 This is a schematic diagram of the calibration component structure of the utility model;

[0026] Figure 6 This is a schematic diagram of the structure of the temperature meter body of the utility model.

[0027] The meaning of each number in the figure is:

[0028] Thermometer body; 10, threaded column; 100, slide groove; 101, fixing ring; 11, fixing seat; 110, heat conducting rod; 111, protective cap; 112, vent hole; 12, nut; 13, pointer;

[0029] Protective cover; 20. Transparent cover; 21. Anti-slip column; 22. Threaded ring;

[0030] Calibration assembly; 30, calibration plate; 300, scale line; 31, worm gear ring; 32, rotating rod; 320, worm; 321, screw handle;

[0031] Limiting plate; 40, notch; 41, circular groove; 410, slider. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] See also Figure 1-Figure 6 , this embodiment provides a technical solution:

[0034] A thermometer that is easy to calibrate, comprising a thermometer body 1, wherein the front end of the thermometer body 1 is provided with an opening, a threaded column 10 is provided in the middle of the opening, a thermometer pointing shaft is provided in the middle of the threaded column 10, and a pointer 13 is provided at the end of the thermometer pointing shaft;

[0035] Secondly, a fixing seat 11 is provided at the bottom of the thermometer body 1 , and a heat-conducting rod 110 connected to the thermometer pointing axis inside the thermometer body 1 is provided in the middle of the fixing seat 11 .

[0036] In the present invention, the heat conducting rod 110 is convenient for receiving the temperature change of the external environment and conducting it to the inner wall of the thermometer body 1. With the cooperation of the thermometer pointing shaft, the pointer 13 is rotated to realize the temperature measurement and display.

[0037] Furthermore, a protective cap 111 is provided at the bottom of the fixing seat 11 , and a plurality of vent holes 112 are provided on the outer wall of the protective cap 111 near the bottom.

[0038] In the present invention, the protective cap 111 is used to protect the heat-conducting rod 110 and reduce the damage to the heat-conducting rod 110 caused by the external environment. The multiple ventilation holes 112 are used to help the air flow around the heat-conducting rod 110 and facilitate the conduction of ambient temperature.

[0039] A calibration component 3 is provided in the opening, and the calibration component 3 includes a calibration plate 30. A plurality of scale lines 300 are provided on the front end surface of the calibration component 3 near the edge. A worm gear ring 31 is provided on the outer wall of the calibration plate 30. A rotating rod 32 is provided above the worm gear ring 31. A worm 320 is provided on the rotating rod 32 at a position corresponding to the worm gear ring 31. One end of the rotating rod 32 passes through the thermometer body 1, and a screw handle 321 is provided at the end.

[0040] It should be noted that a rotating hole is opened in the middle of the calibration plate 30, and a fixing ring 101 is provided at the bottom of the threaded column 10. The inner diameter of the rotating hole is matched with the outer diameter of the fixing ring 101, the fixing ring 101 is rotatably connected to the rotating hole, and the scale lines 300 are distributed in a ring shape with equal intervals. The worm gear ring 31 and the calibration plate 30 are an integrally formed structure, the worm 320 is meshed with the worm gear ring 31, the worm 320 and the rotating rod 32 are an integrally formed structure, the rotating rod 32 is rotatably connected to the thermometer body 1, and the handle 321 is fixedly connected to the rotating rod 32 by a screw.

[0041] In the utility model, the opening of the rotating hole, in cooperation with the fixing ring 101, enables the calibration plate 30 to rotate flexibly. In cooperation with the multiple scale lines 300, it is helpful to display the temperature value displayed at the position of the pointer 13 in real time. In cooperation with the worm 320 and the worm gear ring 31, the handle 321 is rotated to drive the worm 320 to rotate, thereby realizing the rotation of the worm gear ring 31, and finally driving the calibration plate 30 to rotate, thereby realizing the corresponding calibration adjustment.

[0042] Furthermore, a slide groove 100 is symmetrically opened on the threaded column 10, a circular groove 41 is opened in the middle of the limit plate 4, a slider 410 is provided in the middle of the circular groove 41 corresponding to the slide groove 100, the inner diameter of the circular groove 41 is adapted to the outer diameter of the threaded column 10, a notch 40 is opened on the limit plate 4 corresponding to the scale line 300, a nut 12 is provided between the limit plate 4 and the pointer 13, and the nut 12 is threadedly connected to the threaded column 10.

[0043] In the utility model, the limit plate 4 is plugged into and matched with the threaded column 10 with the cooperation of the slider 410, and with the cooperation of the nut 12, the limit plate 4 and the threaded column 10 are fixedly connected, and with the cooperation of the notch 40, the scale line 300 and the pointer 13 are helped to correspond.

[0044] Specifically, a limiting plate 4 is provided at the front end of the calibration component 3 , and a protective cover 2 is provided at the front end of the temperature meter body 1 .

[0045] Secondly, a transparent cover 20 is provided in the middle of the outer side surface of the protective cover 2, and the transparent cover 20 is bonded and fixed to the protective cover 2. A plurality of anti-slip columns 21 are provided on the outer wall of the protective cover 2, and the anti-slip columns 21 are distributed in a circular shape with equal intervals. A threaded ring 22 is provided on the inner wall of the protective cover 2. The threaded ring 22 and the protective cover 2 are an integrally formed structure, and the threaded ring 22 is threadedly connected to the inner wall of the front end opening of the thermometer body 1.

[0046] In the utility model, the transparent cover 20 is made of tempered glass, which makes it easy to observe the position of the internal pointer 13 and the scale line 300 through the protective cover 2. With the cooperation of the anti-slip column 21, the contact area is increased, which makes it easy to manually rotate the protective cover 2. The threaded ring 22 is combined with the inner wall thread of the front end opening of the thermometer body 1, thereby realizing the combined installation or disassembly of the protective cover 2 and the thermometer body 1.

[0047] The scale lines 300 are evenly spaced and have an accuracy of 0.1 degrees Celsius.

[0048] When the calibrated thermometer of this embodiment is used, the user first passes the heat-conducting rod 110 through the fixing seat 11 and connects it to the thermometer pointing axis inside the thermometer body 1, the calibration plate 30 with the scale line 300 is rotatably connected with the fixing ring 101 on the threaded column 10, the rotating rod 32 with the screw handle 321 is inserted into the thermometer body 1, and the worm 320 on the rotating rod 32 is meshed with the worm gear ring 31, and then the limit plate 4 is plugged into the threaded column 10 through the circular groove 41, the slider 410 is plugged into the slide groove 100, and then the nut 12 is threadedly connected with the threaded column 10 to realize the limit plate 4 and the threaded column 10 is fixedly connected, and the notch 40 corresponds to the scale line 300. Finally, the protective cover 2 with the transparent cover 20 is threadedly connected to the inner wall of the thermometer body 1 through the threaded ring 22. When calibration is required, according to the position of the pointer 13 and in coordination with the temperature value detected by the outside, the handle 321 is manually turned. When the protective cover 2 is not opened, the position of the calibration plate 30 is rotated to achieve the coordination of the scale line 300 with the pointer 13 to achieve calibration coordination. The overall combination is easy to install. With the cooperation of the protective cap 111, the heat-conducting rod 110 is protected and coordinated to reduce the damage to the heat-conducting rod 110 caused by external touch.

Claims

1. A temperature gauge that is easy to calibrate, comprising a temperature gauge body (1), the front end surface of the temperature gauge body (1) is provided with an opening, a threaded column (10) is provided in the middle of the opening, a temperature gauge pointing axis is provided in the middle of the threaded column (10), a pointer (13) is provided at the end of the temperature gauge pointing axis, a calibration component (3) is provided in the opening, a stop plate (4) is provided at the front end of the calibration component (3), and a protective cover (2) is provided at the front end of the temperature gauge body (1), characterized in that: The calibration component (3) comprises a calibration plate (30), a front end surface of the calibration component (3) being provided with a plurality of scale lines (300) near the edge, an outer wall of the calibration plate (30) being provided with a worm wheel ring (31), a rotating rod (32) being provided above the worm wheel ring (31), a worm (320) being provided on the rotating rod (32) at a position corresponding to the worm wheel ring (31), one end of the rotating rod (32) passing through the thermometer body (1), and a screw handle (321) being provided at the end thereof.

2. The thermometer for easy calibration according to claim 1, characterized in that: A fixing seat (11) is provided at the bottom of the temperature gauge body (1), and a heat conducting rod (110) connected to the temperature gauge pointing axis inside the temperature gauge body (1) is provided in the middle of the fixing seat (11).

3. The temperature meter that is easy to calibrate according to claim 2, characterized in that: A protective cap (111) is provided at the bottom of the fixing seat (11), and a plurality of ventilation holes (112) are provided on the outer wall of the protective cap (111) near the bottom.

4. The thermometer for easy calibration according to claim 1, characterized in that: A rotating hole is provided in the middle of the calibration plate (30), a fixing ring (101) is provided at the bottom of the threaded column (10), the inner diameter of the rotating hole is matched with the outer diameter of the fixing ring (101), the fixing ring (101) is rotatably connected to the rotating hole, the scale lines (300) are distributed in a ring-shaped manner with equal spacing, the worm gear ring (31) and the calibration plate (30) are an integrally formed structure, the worm (320) is meshed with the worm gear ring (31), the worm (320) and the rotating rod (32) are an integrally formed structure, the rotating rod (32) is rotatably connected to the temperature gauge body (1), and the handle (321) is fixedly connected to the rotating rod (32) by a screw.

5. The temperature gauge for easy calibration according to claim 1, characterized in that: The threaded column (10) is symmetrically provided with a slide groove (100), the limiting plate (4) is provided with a circular groove (41) in the middle, a sliding block (410) is provided in the middle of the circular groove (41) at a position corresponding to the slide groove (100), the inner diameter of the circular groove (41) is matched with the outer diameter of the threaded column (10), a notch (40) is provided on the limiting plate (4) at a position corresponding to the scale line (300), a nut (12) is provided between the limiting plate (4) and the pointer (13), and the nut (12) is threadedly connected to the threaded column (10).

6. The temperature gauge for easy calibration according to claim 1, characterized in that: A transparent cover (20) is provided in the middle of the outer side surface of the protective cover (2), and the transparent cover (20) is bonded and fixed to the protective cover (2). A plurality of anti-skid columns (21) are provided on the outer wall of the protective cover (2), and the anti-skid columns (21) are distributed in a ring-shaped manner with equal intervals. A threaded ring (22) is provided on the inner wall of the protective cover (2), and the threaded ring (22) and the protective cover (2) are an integrally formed structure, and the threaded ring (22) is threadedly connected to the inner wall of the front end opening of the temperature gauge body (1).

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