CN211262510U

CN211262510U - Bimetal thermometer with protection function

Info

Publication number: CN211262510U
Application number: CN202020100325.8U
Authority: CN
Inventors: 闵六山
Original assignee: Jiangsu Kerun Instrument Co ltd
Current assignee: Jiangsu Kerun Instrument Co ltd
Priority date: 2020-01-16
Filing date: 2020-01-16
Publication date: 2020-08-14
Anticipated expiration: 2030-01-16

Abstract

The utility model discloses a bimetal thermometer with protect function, concretely relates to instrument and meter instrument field, which comprises a housin, metal protection tube has been installed to the bottom of watchcase, bimetal temperature sensing element has been installed to metal protection tube's inside, the pointer axle has been installed to bimetal temperature sensing element's free end, the pointer has been installed to the inside of watchcase, pointer axle and pointer fixed connection, metal protection tube's outside is equipped with protection machanism. The utility model discloses a protection mechanism protects the pointer axle that is in under the high frequency vibrations, avoids pointer axle and bimetal temperature sensing element to disjointing, when the protection, at first utilizes buffer spring's self elasticity to cushion the vibrations power, secondly utilizes the buffer layer to absorb the vibrations power after buffering to this furthest's reduction metal protection tube produces the range of vibrations, ensures the normal clear of accurate reading, prolongs bimetal thermometer's life.

Description

Bimetal thermometer with protection function

Technical Field

The utility model relates to an instrument and meter technical field specifically is a bimetal thermometer with protect function.

Background

A bimetal thermometer for in-situ measurement of middle and low temp is composed of a multi-layer metal sheet consisting of two or more metal sheets laminated together, and a temp indicator on the thin axle driven by the free end of temp sensor to change its angle for indicating the temp.

The prior art has the following defects: the shape of the temperature sensing device at present usually has two kinds of plane spiral and straight line spiral, and its unique structure has determined that it itself has certain anti-seismic performance, but when bimetal thermometer was used in the environment of high frequency vibrations when working, the vibrations of too high frequency often can cause pointer axle and temperature sensing element to disjoint, and the final accurate reading is difficult to.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a bimetal thermometer with protect function protects the pointer axle under the high frequency vibrations through protection mechanism, avoids pointer axle and bimetal temperature sensing element to take off one's section, when the protection, at first utilizes buffer spring's self elasticity to cushion the vibrations power, secondly utilizes the buffer layer to absorb the vibrations power after buffering to this furthest's reduction metal protection tube produces the range of vibrations, with the above-mentioned weak point in the solution technology.

In order to achieve the above object, the present invention provides the following technical solutions: a bimetal thermometer with a protection function comprises a watchcase, wherein a metal protection tube is arranged at the bottom of the watchcase, a bimetal temperature sensing element is arranged inside the metal protection tube, a pointer shaft is arranged at the free end of the bimetal temperature sensing element, a pointer is arranged inside the watchcase, the pointer shaft is fixedly connected with the pointer, and a protection mechanism is arranged outside the metal protection tube;

protection mechanism is including antidetonation pipe, the buffer layer has been installed to the internal surface of antidetonation pipe, the buffer layer bonds with the antidetonation pipe, the surface of antidetonation pipe is equipped with a plurality of antidetonation grooves, and is a plurality of the evenly distributed setting is personally submitted at the outward appearance of antidetonation pipe in antidetonation groove, and is a plurality of the inside in antidetonation groove all is equipped with the fixed block, the antidetonation board has been installed to one side that the antidetonation pipe was kept away from to the fixed block, and is a plurality of antidetonation board and a plurality of antidetonation groove set up for the one-to-one, buffer spring has been installed to one side that the antidetonation board was kept away from to the fixed.

Preferably, the fixed block and the anti-seismic plate are arranged by pouring, the anti-seismic plate is of an arc structure, and the plurality of reflection grooves are uniformly distributed on the outer surface of the anti-seismic plate.

Preferably, the two sides of the fixed block are provided with sliding blocks, the inner wall of the anti-seismic groove and the positions corresponding to the sliding blocks are provided with sliding grooves, and the sliding blocks are inserted into the sliding grooves.

Preferably, the sliding block is of a square structure, the sliding groove is a square groove, and the sliding block is welded with the fixed block.

Preferably, the anti-seismic pipe is of a hollow cylinder structure, the inner diameter of the anti-seismic pipe is larger than the outer diameter of the metal protection pipe, and the outer surface of the metal protection pipe is provided with the mounting bolt.

Preferably, the top of antidetonation pipe has been installed the retainer plate, the retainer plate sets up for pouring the shaping with the antidetonation pipe, the surface of retainer plate is equipped with a plurality of mounting holes.

Preferably, the inside of mounting hole is equipped with the locking bolt, the retainer plate passes through locking bolt fixed connection with metal protection pipe.

In the technical scheme, the utility model provides a technological effect and advantage:

1. the pointer shaft under high-frequency vibration is protected through the protection mechanism, the pointer shaft is prevented from being disconnected with the bimetal temperature sensing element, during protection, the self elasticity of the buffer spring is firstly utilized to buffer vibration force, and then the buffer layer is utilized to absorb the buffered vibration force, so that the vibration amplitude of the metal protection tube is reduced to the maximum extent, the normal running of accurate reading is ensured, the service life of the bimetal thermometer is prolonged, and compared with the prior art, the problem that the bimetal thermometer is difficult to accurately read under the working condition of high-frequency vibration is solved;

2. move the locking bolt through twisting, the locking bolt breaks away from in the mounting hole, removes the fixed effect between retainer plate and the metal protection tube to this will be combatted earthquake and demolish from the metal protection tube, conveniently change the pipe of combatting earthquake, be in a good state always with guaranteeing the antidetonation effect, be equipped with a plurality of mounting holes simultaneously, the fixed effect between multiplicable metal protection tube and the pipe of combatting earthquake, the practicality is strong, compares with prior art, has solved the problem that is not convenient for change the pipe of combatting earthquake.

Drawings

Fig. 1 is a longitudinal section of the present invention.

Fig. 2 is an enlarged view of a portion a of fig. 1 according to the present invention.

Fig. 3 is an enlarged view of a portion B of fig. 1 according to the present invention.

Fig. 4 is a cross-sectional view of the present invention.

Description of reference numerals:

1. a watch case; 2. a metal protection tube; 3. a bimetallic temperature sensing element; 4. a pointer shaft; 5. a pointer; 6. a protection mechanism; 7. a seismic resistant pipe; 8. a buffer layer; 9. an anti-seismic trough; 10. a fixed block; 11. a seismic plate; 12. a buffer spring; 13. a reflective trough; 14. a slider; 15. a chute; 16. installing a bolt; 17. a stationary ring; 18. mounting holes; 19. and locking the bolt.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a bimetal thermometer with protection function as shown in figures 1-4, which comprises a watchcase 1, wherein a metal protection tube 2 is arranged at the bottom of the watchcase 1, a bimetal temperature sensing element 3 is arranged inside the metal protection tube 2, a pointer shaft 4 is arranged at the free end of the bimetal temperature sensing element 3, a pointer 5 is arranged inside the watchcase 1, the pointer shaft 4 is fixedly connected with the pointer 5, and a protection mechanism 6 is arranged outside the metal protection tube 2;

the protection mechanism 6 comprises an anti-seismic pipe 7, a buffer layer 8 is arranged on the inner surface of the anti-seismic pipe 7, the buffer layer 8 is bonded with the anti-seismic pipe 7, a plurality of anti-seismic grooves 9 are formed in the outer surface of the anti-seismic pipe 7, the anti-seismic grooves 9 are uniformly distributed in the outer surface of the anti-seismic pipe 7, fixed blocks 10 are arranged inside the anti-seismic grooves 9, anti-seismic plates 11 are arranged on one sides, away from the anti-seismic pipe 7, of the fixed blocks 10, the anti-seismic plates 11 are arranged in one-to-one correspondence with the anti-seismic grooves 9, buffer springs 12 are arranged on one sides, away from the anti-seismic plates 11, of the fixed blocks 10, the inner walls of the anti-seismic grooves 9 are fixedly connected with two;

furthermore, in the above technical scheme, the fixing block 10 and the anti-seismic plate 11 are formed by casting, the anti-seismic plate 11 is of an arc structure, and the plurality of reflection grooves 13 are uniformly distributed on the outer surface of the anti-seismic plate 11, so that the vibration force borne by the periphery of the anti-seismic pipe 7 can be buffered and weakened in an all-around manner;

further, in the above technical solution, both sides of the fixed block 10 are provided with the sliding blocks 14, the inner wall of the anti-seismic groove 9 and the positions corresponding to the sliding blocks 14 are provided with the sliding grooves 15, and the sliding blocks 14 are inserted into the sliding grooves 15, so that the movement track of the fixed block 10 can be limited;

furthermore, in the technical scheme, the sliding block 14 is of a square structure, the sliding groove 15 is a square groove, and the sliding block 14 is welded with the fixed block 10, so that the movement of the anti-seismic plate 11 can be prevented from deviating;

further, in the above technical solution, the anti-seismic pipe 7 is a hollow cylinder structure, the inner diameter of the anti-seismic pipe 7 is larger than the outer diameter of the metal protection pipe 2, the outer surface of the metal protection pipe 2 is provided with the mounting bolt 16, and the thermometer is conveniently mounted and measured by using the mounting bolt 16;

the implementation mode is specifically as follows: when the bimetallic thermometer is in a high-frequency vibration working condition, the vibration force firstly acts on the anti-vibration plate 11, through the arrangement of the reflection groove 13, on one hand, the contact area between the anti-vibration plate 11 and the vibration force is increased, the anti-vibration strength can be reduced, on the other hand, the vibration force can be changed, the vibration force born by the buffer spring 12 is reduced, then the vibration force can drive the anti-vibration plate 11 to move towards the direction of the anti-vibration groove 9, the slide block 14 moves in the sliding groove 15, the movement track of the anti-vibration plate 11 can be limited, the buffer spring 12 is stressed to contract to buffer the vibration force, then when the vibration is weakened, the restoring force of the buffer spring 12 is utilized to drive the anti-vibration plate 11 to move back, finally, the buffered vibration force is absorbed by the buffer layer 8, the vibration amplitude generated by the metal protection pipe 2 can be reduced to the maximum extent, and, the service life of extension bimetal thermometer, this embodiment specifically solved among the prior art bimetal thermometer under the high frequency vibrations operating mode, be difficult to the problem of accurate reading.

As shown in fig. 1 and 3, further, in the above technical solution, a fixing ring 17 is installed at the top of the anti-seismic pipe 7, the fixing ring 17 and the anti-seismic pipe 7 are formed by casting, and a plurality of mounting holes 18 are formed in the outer surface of the fixing ring 17, so that the anti-seismic pipe 7 can be conveniently detached and replaced;

further, in the above technical solution, a locking bolt 19 is arranged inside the mounting hole 18, the fixing ring 17 is fixedly connected with the metal protection tube 2 through the locking bolt 19, and the operation is facilitated by the locking bolt 19;

the implementation mode is specifically as follows: through twisting locking bolt 19, locking bolt 19 breaks away from in the mounting hole 18, remove the fixed effect between retainer plate 17 and the metal protection pipe 2, demolish antidetonation pipe 7 from metal protection pipe 2 with this, it is convenient to change antidetonation pipe 7, be in a good state always with guaranteeing the antidetonation effect, be equipped with a plurality of mounting holes 18 simultaneously, the fixed effect between multiplicable metal protection pipe 2 and the antidetonation pipe 7, therefore, the clothes hanger is strong in practicability, the problem of being not convenient for change antidetonation pipe 7 among the prior art has specifically been solved to this embodiment.

This practical theory of operation: when the bimetallic thermometer is in the high frequency vibrations operating mode, the shaking force at first acts on antidetonation board 11, then the shaking force can drive antidetonation board 11 and remove to the direction of antidetonation groove 9, buffer spring 12 atress shrink, cushion the shaking force, then after vibrations weaken, recycle buffer spring 12's restoring force, drive antidetonation board 11 and do the return and move, the shaking force after buffering at last is through the absorption of buffer layer 8, but furthest's reduction metal protection tube 2 produces the range of vibrations, ensure the normal clear of accurate reading.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A bimetallic thermometer with protection function, comprising a case (1), characterized in that: the metal temperature-sensing watch comprises a watch case (1), a metal protection pipe (2) is arranged at the bottom of the watch case (1), a bimetal temperature-sensing element (3) is arranged inside the metal protection pipe (2), a pointer shaft (4) is arranged at the free end of the bimetal temperature-sensing element (3), a pointer (5) is arranged inside the watch case (1), the pointer shaft (4) is fixedly connected with the pointer (5), and a protection mechanism (6) is arranged outside the metal protection pipe (2);

the protection mechanism (6) comprises an anti-seismic pipe (7), the inner surface of the anti-seismic pipe (7) is provided with a buffer layer (8), the buffer layer (8) is bonded with the anti-seismic pipe (7), a plurality of anti-seismic grooves (9) are formed in the outer surface of the anti-seismic pipe (7), the anti-seismic grooves (9) are uniformly distributed in the outer surface of the anti-seismic pipe (7), fixing blocks (10) are arranged inside the anti-seismic grooves (9), the side of the fixed block (10) far away from the anti-seismic pipe (7) is provided with anti-seismic plates (11), a plurality of anti-seismic plates (11) and a plurality of anti-seismic grooves (9) are arranged in a one-to-one correspondence manner, a buffer spring (12) is arranged on one side of the fixed block (10) far away from the anti-seismic plate (11), two ends of the buffer spring (12) are respectively fixedly connected with the inner walls of the fixed block (10) and the anti-seismic groove (9), and the outer surface of the anti-seismic plate (11) is provided with a plurality of reflection grooves (13).

2. The bimetal thermometer with protection function of claim 1, characterized in that: the fixed block (10) and the anti-seismic plate (11) are arranged in a pouring forming mode, the anti-seismic plate (11) is of an arc-shaped structure, and the reflecting grooves (13) are uniformly distributed on the outer surface of the anti-seismic plate (11).

3. The bimetal thermometer with protection function of claim 1, characterized in that: the anti-seismic device is characterized in that sliding blocks (14) are arranged on two sides of the fixed block (10), sliding grooves (15) are arranged on the inner wall of the anti-seismic groove (9) and in positions corresponding to the sliding blocks (14), and the sliding blocks (14) are inserted into the sliding grooves (15).

4. A protective bimetallic thermometer according to claim 3, characterised in that: the sliding block (14) is of a square structure, the sliding groove (15) is a square groove, and the sliding block (14) is welded with the fixing block (10).

5. The bimetal thermometer with protection function of claim 1, characterized in that: antidetonation pipe (7) are the hollow cylinder structure, just the internal diameter of antidetonation pipe (7) is greater than the external diameter of metal protection pipe (2), mounting bolt (16) have been installed to the surface of metal protection pipe (2).

6. The bimetal thermometer with protection function of claim 1, characterized in that: the anti-seismic pipe is characterized in that a fixing ring (17) is installed at the top of the anti-seismic pipe (7), the fixing ring (17) and the anti-seismic pipe (7) are arranged in a pouring forming mode, and a plurality of mounting holes (18) are formed in the outer surface of the fixing ring (17).

7. The bimetal thermometer with protection function of claim 6, characterized in that: the inside of mounting hole (18) is equipped with locking bolt (19), retainer plate (17) pass through locking bolt (19) fixed connection with metal protection pipe (2).