CN211373860U

CN211373860U - Shock-proof thermometer

Info

Publication number: CN211373860U
Application number: CN201922296967.XU
Authority: CN
Inventors: 陈小红; 陈洁; 华瑛; 杨明华
Original assignee: Hangzhou Huake Instrument Co ltd
Current assignee: Hangzhou Huake Instrument Co ltd
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-08-28
Anticipated expiration: 2029-12-19

Abstract

The utility model belongs to the technical field of the thermometer technique and specifically relates to a shock-resistant thermometer, which comprises a housin, install the calibrated scale in the casing, it installs the pointer to lie in calibrated scale one side intermediate position in the casing, the protection tube is installed through connection structure in the casing below, the cover has first retainer plate on the protection tube, first retainer plate has all been welded to first retainer plate both sides, the mounting hole has all been seted up to first retainer plate upper surface, the cover has the second retainer plate on stating the protection tube, the second retainer plate has all been welded to second retainer plate both sides, solid fixed ring has all been welded to second retainer plate one end, supplementary damper has all been welded to second retainer plate top, the fixture block has been welded to supplementary damper one end, a plurality of draw-in groove has been seted up to the casing lower surface, the welding has damping spring between first retainer plate and the second retainer plate.

Description

Shock-proof thermometer

Technical Field

The utility model relates to a thermometer technical field especially relates to a shock-resistant thermometer.

Background

At present, the measurement range of a bimetallic thermometer is-80-600 ℃, two metal sheets with relatively large difference of linear expansion coefficients are overlapped and welded together to form a temperature sensing element based on the solid heating expansion principle, and when the temperature changes, the metal sheets are bent and deformed due to different expansion and contraction generated by the difference of the linear expansion coefficients of two metal materials, so that the change of reading is caused. Because the bimetallic thermometer is often used in the environment of high frequency vibrations to work, the vibrations of high frequency often can cause the mercury column to break away, is difficult to accurate reading, leads to the thermometer to scrap even, causes the loss.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the existing thermometer cannot absorb shock in the prior art and providing a shock-proof thermometer.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the designed shock-proof thermometer comprises a shell, a dial is arranged in the shell, a pointer is arranged in the middle of one side of the dial in the shell, a protection tube is arranged below the shell through a connecting structure, a first fixing ring is sleeved on the protection tube, the two sides of the first fixing ring are respectively welded with a first fixing plate, the upper surface of the first fixing plate is respectively provided with a mounting hole, a second fixing ring is sleeved on the protection tube, second fixing plates are welded on two sides of the second fixing ring, one end of the second fixed plate is welded with a fixed ring, the upper part of the second fixed plate is welded with an auxiliary damping mechanism, clamping blocks are welded at one end of each auxiliary damping mechanism, a plurality of clamping grooves are formed in the lower surface of the shell, and a damping spring is welded between the first fixing ring and the second fixing ring and sleeved outside the protection pipe.

Preferably, supplementary damper includes the sleeve, the sleeve has all been welded to second fixed plate top, the spring has all been welded to one side in the sleeve, it is equipped with the connecting rod all to slide to lie in spring one end in the sleeve, the fixture block has all been welded to connecting rod one end.

Preferably, one end of each of the clamping blocks is clamped in the corresponding clamping groove.

Preferably, the brush body of an integrated structure is welded on the inner side wall of the first fixing ring.

Preferably, the surface of the shell is adhered with a buffer layer.

The utility model provides a pair of shock-resistant thermometer, beneficial effect lies in: this design can play certain shock attenuation protection to the thermometer through damper and supplementary damper, prevents that the thermometer from damaging or the reading is inaccurate because of vibrations, damper mainly includes, first retainer plate, second retainer plate and damping spring, and supplementary damper mainly includes sleeve, spring and connecting rod.

Drawings

Fig. 1 is a schematic structural view of a shock-resistant thermometer according to the present invention;

fig. 2 is a schematic side view of a shock-resistant thermometer according to the present invention;

FIG. 3 is a schematic structural view of a housing and a sleeve of the earthquake-resistant thermometer of the present invention;

fig. 4 is a schematic structural diagram of the first fixing ring of the earthquake-resistant thermometer of the present invention.

In the figure: the novel pointer comprises a shell 1, a pointer 2, a dial 3, a buffer layer 4, a protection tube 5, a first fixing ring 6, a first fixing plate 7, a mounting hole 8, a second fixing ring 9, a second fixing plate 10, a sleeve 11, a spring 12, a connecting rod 13, a fixture block 14, a clamping groove 15, a fixing ring 16, a damping spring 17 and a brush body 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example 1

Referring to fig. 1-3, a shock-proof thermometer comprises a shell 1, a dial 3 is installed in the shell 1, a pointer 2 is installed in the shell 1 at the middle position of one side of the dial 3, a protection tube 5 is installed below the shell 1 through a connecting structure, the dial 3, the pointer 2 and the protection tube 5 are basic composition structures of a bimetal thermometer, so that detailed description is omitted, a first fixing ring 6 is sleeved on the protection tube 5, first fixing plates 7 are welded on two sides of the first fixing ring 6, mounting holes 8 are formed in the upper surface of the first fixing plate 7, and when bimetal thermometry is needed, the first fixing plates 7 welded on two sides of the first fixing ring 6 sleeved on the protection tube 5 can be fixed at a proper position where temperature measurement is needed.

The protection tube 5 is sleeved with a second fixed ring 9, both sides of the second fixed ring 9 are welded with second fixed plates 10, one ends of the second fixed plates 10 are welded with fixed rings 16, the upper portions of the second fixed plates 10 are welded with auxiliary damping mechanisms, one ends of the auxiliary damping mechanisms are welded with fixture blocks 14, the auxiliary damping mechanisms comprise sleeves 11, the upper portions of the second fixed plates 10 are welded with sleeves 11, one sides in the sleeves 11 are welded with springs 12, one ends of the springs 12 in the sleeves 11 are slidably provided with connecting rods 13, one ends of the connecting rods 13 are welded with the fixture blocks 14, the lower surface of the shell 1 is provided with a plurality of clamping grooves 15, one ends of the fixture blocks 14 are clamped in the corresponding matched clamping grooves 15, damping springs 17 are welded between the first fixed ring 6 and the second fixed ring 9, and the damping springs 17 are sleeved outside the protection tube 5, the damping mechanisms in the design can be, when the thermometer needs to be used for temperature measurement, the damping mechanism can be installed on the thermometer, the second fixing ring 9 is made to penetrate through the protection tube 5, the damping spring 17 and the first fixing ring 6 which are welded below the second fixing ring 9 and are of an integral structure penetrate through the protection tube 5, the clamping block 14 welded on the auxiliary damping mechanism on the second fixing plate 10 welded on two sides of the second fixing ring 9 is clamped into the clamping groove 15 formed in the shell 1 to be fixed, then the first fixing plate 7 is fixed at a proper position where temperature needs to be measured, when vibration occurs at the installation position, the first fixing plate 7 transmits the vibration to the damping spring 17, the vibration is directly transmitted to the protection tube 5, the vibration can play a role of reducing part of vibration and transmitted to the second fixing ring 9 through the damping spring 17, because the auxiliary damping mechanism is installed on the second fixing ring 9, when the vibration passes through the sleeve 11, because the spring 12 is arranged in the sleeve 11, the vibration of the rest part can be weakened through the auxiliary damping mechanism, and the influence of the vibration on the reading is prevented.

Example 2

Referring to fig. 1 and 4, as another preferred embodiment of the invention, the only difference from embodiment 1 is that a buffer layer 4 is adhered on the surface of the housing 1, a brush 18 of an integrated structure is welded on the inner side wall of the first fixing ring 6, the brush 18 touches the outer wall of the protection tube 5, the buffer layer 4 can be a rubber layer, which can play a buffer protection role for the housing 1, when the outer side of the protection tube 5 needs to be cleaned simply, the first fixing ring 6 can be moved up and down, the brush 18 is adhered in the first fixing ring 6, and dust on the surface of the protection tube 5 can be brushed off.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a shock-proof thermometer, includes casing (1), its characterized in that, install calibrated scale (3) in casing (1), be located calibrated scale (3) one side intermediate position in casing (1) and install pointer (2), protection tube (5) are installed through connection structure to casing (1) below, the cover has first retainer plate (6) on protection tube (5), first fixed plate (7) have all been welded to first retainer plate (6) both sides, mounting hole (8) have all been seted up to first fixed plate (7) upper surface, the cover has second retainer plate (9) on protection tube (5), second fixed plate (10) have all been welded to second retainer plate (9) both sides, solid fixed ring (16) have all been welded to second fixed plate (10) one end, supplementary damper has all been welded to second fixed plate (10) top, fixture blocks (14) are welded to one ends of the auxiliary damping mechanisms, a plurality of clamping grooves (15) are formed in the lower surface of the shell (1), damping springs (17) are welded between the first fixing ring (6) and the second fixing ring (9), and the damping springs (17) are sleeved outside the protection tubes (5).

2. The shock-resistant thermometer according to claim 1, characterized in that the auxiliary shock-absorbing mechanism comprises a sleeve (11), the sleeve (11) is welded above the second fixing plate (10), a spring (12) is welded on one side of the sleeve (11), a connecting rod (13) is slidably arranged at one end of the spring (12) in the sleeve (11), and a clamping block (14) is welded at one end of the connecting rod (13).

3. The shock-resistant thermometer according to claim 1, characterized in that one end of each of said plurality of said blocks (14) is engaged with a corresponding engaging groove (15).

4. The shock-resistant thermometer according to claim 1, characterised in that the brush body (18) of an integrated structure is welded to the inner side wall of the first fixing ring (6).

5. A shock resistant thermometer according to claim 1 characterised in that a buffer layer (4) is bonded to the surface of said housing (1).