CN209727294U - Bimetallic thermometer - Google Patents
Bimetallic thermometer Download PDFInfo
- Publication number
- CN209727294U CN209727294U CN201920843223.2U CN201920843223U CN209727294U CN 209727294 U CN209727294 U CN 209727294U CN 201920843223 U CN201920843223 U CN 201920843223U CN 209727294 U CN209727294 U CN 209727294U
- Authority
- CN
- China
- Prior art keywords
- upper bush
- sleeve pipe
- screw thread
- protection sleeve
- fastener
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000013016 damping Methods 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 16
- 239000000203 mixture Substances 0.000 claims abstract description 9
- 238000009529 body temperature measurement Methods 0.000 abstract 1
- 239000002184 metal Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 229920001971 elastomer Polymers 0.000 description 4
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000004861 thermometry Methods 0.000 description 1
Landscapes
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
It often will cause bimetallic thermometer needle pivot and temperature-sensing element for existing excessively high-frequency vibration to disconnect, it is difficult to which the problem of accurate reading, the utility model provides a kind of shockproof bimetallic thermometer, suitable for industrial temperature measurement.The temperature adjustment bar of the utility model includes protection sleeve pipe, temperature-sensing element, upper bush, filled layer, buffer spring and lower sleeve; temperature-sensing element is arranged in protection sleeve pipe; protection sleeve pipe passes through the center of upper bush and lower sleeve; the outer surface of protection sleeve pipe is fixedly connected with upper bush and lower sleeve contact portion; the lateral wall of upper bush and inclined gap is formed between the inner sidewall of lower sleeve, filled layer is filled in gap；Filled layer is the buffer layer made of viscoplasticity blend damping material；Buffer spring covers in protection sleeve pipe, and the both ends of buffer spring are individually fixed on upper bush and lower sleeve, and the drift of buffer spring is greater than the spacing on upper bush top and lower sleeve bottom end.
Description
Technical field
The utility model relates to a kind of bimetallic thermometer, in particular to a kind of bimetallic thermometer.
Background technique
Bimetallic thermometer different principle work of the degrees of expansion when temperature changes using two kinds of different metals.Industry
It is one with the main temperature-sensing element of bimetallic thermometer to be forced together the multiple layer metal of composition with two or more metal film stacks
Piece.To improve sensitivity of thermometry, spiral roll-shape usually is made in sheet metal.When the temperature of multilayered metal film changes, each layer
Expansion of metal or shrinkage etc., so that helical coil is rolled or unclamped.Since one end of helical coil is fixed and the other end and can be with
The pointer being freely rotated is connected, and therefore, when bimetal leaf experiences temperature change, pointer can be on a round scale of degrees
Indicate that temperature is come.
Bimetallic thermometer is a kind of on-site test instrument for measuring medium and low temperature, and bimetallic thermometer can be measured directly
Liquid, steam and gas medium within the scope of -80 DEG C~500 DEG C and Environment space in various production processes are severe and have vibration
Thermometer.But excessively high-frequency vibration often will cause needle pivot and temperature-sensing element disconnects, and is finally difficult to accurate reading.
Summary of the invention
It often will cause bimetallic thermometer needle pivot for existing excessively high-frequency vibration and temperature-sensing element disconnect, finally
The problem of being difficult to accurate reading, the utility model provide a kind of shockproof bimetallic thermometer.
The bimetallic thermometer of the utility model, including pointer gauge outfit 1 and temperature adjustment bar 2, the temperature adjustment bar 2 include protective case
Pipe 25 and temperature-sensing element 26, temperature-sensing element 26 are arranged in protection sleeve pipe 25, the needle pivot and pointer gauge that temperature-sensing element 26 connects
In first 1 pointer connection, which is characterized in that the temperature adjustment bar 2 further include upper bush 22, filled layer 23, buffer spring 24 and under
Sleeve 27；
Protection sleeve pipe 25 pass through the center of upper bush 22 and lower sleeve 27, the outer surface of protection sleeve pipe 25 and upper bush 22 and
27 contact portion of lower sleeve is fixedly connected, and the lateral wall of upper bush 22 and inclined sky is formed between the inner sidewall of lower sleeve 27
Gap is filled with filled layer 23 in the gap；Filled layer 23 is the buffer layer made of viscoplasticity blend damping material；
24 sets of buffer spring in protection sleeve pipe 25, the both ends of buffer spring 24 are individually fixed in upper bush 22 and lower sleeve
On 27, the drift of buffer spring 24 is greater than the spacing of 27 bottom end of 22 top of upper bush and lower sleeve.
Preferably, the temperature adjustment bar 2 further includes the first fastener 21 and the second fastener 28；First fastener 21 and
Two fasteners 28 are equipped with internal screw thread, and the both ends of protection sleeve pipe 25 are respectively equipped with external screw thread, the first fastener 21 and the second fastening
Part 28 is respectively fitted over the both ends of protection sleeve pipe 25, and corresponding internal screw thread is engaged with external screw thread, and then makes the first fastener 21 and the
Two fasteners 28 clamp upper bush 22 and lower sleeve 27.
Preferably, the bottom of pointer gauge outfit 1 is equipped with internal screw thread, the external screw thread stroke of 25 one end of protection sleeve pipe is greater than pointer
The sum of the bottom internal screw thread of gauge outfit 1 and the internal screw thread stroke of the first fastener 21, the bottom internal screw thread and protective case of pointer gauge outfit 1
The external screw thread of 25 one end of pipe engages, and then realizes being fixedly connected for pointer gauge outfit 1 and temperature adjustment bar 2.
Beneficial effects of the present invention, filled layer between the upper bush 22 and lower sleeve 27 of the utility model in gap are total to
Mixed type damping material is in obliquity and buffer spring, can provide damping force for the horizontal vibration with vertical both direction: when
When the utility model horizontal direction shakes, filled layer 23 is due to occurring shear-deformable and pressure between upper bush 22 and lower sleeve 27
Compression deformation can dissipate a large amount of vibration energy, play and shake good damping action to horizontal direction, and when vertical direction is sent out
When raw vibration, filled layer 23 and buffer spring are also due to the shear-deformable and compressive deformation between upper bush 22 and lower sleeve 27 consumes
Vertical direction vibration energy is dissipated, the high-frequency vibration of bimetallic thermometer all directions at work can be effectively inhibited.
Detailed description of the invention
Fig. 1 is the external structure schematic diagram of the utility model；
Fig. 2 is the cross-sectional view of temperature adjustment bar 2 in Fig. 1.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art without creative labor it is obtained it is all its
His embodiment, shall fall within the protection scope of the present invention.
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
The present invention will be further explained below with reference to the attached drawings and specific examples, but not as the limitation of the invention.
The bimetallic thermometer of present embodiment, as shown in Figure 1, including pointer gauge outfit 1 and temperature adjustment bar 2, the temperature adjustment bar 2
Protection sleeve pipe 25 outer surface be provided with inclined filled layer, the filled layer be made of viscoplasticity blend damping material
Buffer layer；It can dissipate to the vibration energy of the generation of horizontal direction and vertical direction.As shown in Fig. 2, present embodiment
Temperature adjustment bar 2 include upper bush 22, filled layer 23, buffer spring 24, protection sleeve pipe 25, temperature-sensing element 26 and lower sleeve 27；
Temperature-sensing element 26 is arranged in protection sleeve pipe 25, the finger in needle pivot and pointer gauge outfit 1 that temperature-sensing element 26 connects
Needle connection, protection sleeve pipe 25 pass through the center of upper bush 22 and lower sleeve 27, the outer surface of protection sleeve pipe 25 and upper bush 22 and
27 contact portion of lower sleeve is fixedly connected, and the lateral wall of upper bush 22 and inclined sky is formed between the inner sidewall of lower sleeve 27
Gap is filled with filled layer 23 in the gap；Filled layer 23 is the buffer layer made of viscoplasticity blend damping material；Buffering elastic
24 sets of spring are equipped with groove for accommodating buffer spring 24, the both ends point of buffer spring 24 in protection sleeve pipe 25, in upper bush 22
It is not fixed on upper bush 22 and lower sleeve 27, the drift of buffer spring 24 is greater than 27 bottom of 22 top of upper bush and lower sleeve
The spacing at end makes buffer spring 24 be in compressive state.When the vibration for receiving vertical direction, buffer spring subtracts in vertical direction
Shake provides damping environment for protection sleeve；
The viscoplasticity blend damping material of present embodiment can use pressure-sensitive adhesive type damping material, pressure-sensitive adhesive type damping
Material not only damping capacity with higher also has white viscosity, and surface to be treated can be adhered to by not needing adhesive, and
Not unsticking during operation.So the viscoplasticity blend damping material of present embodiment can paste 22 top of upper bush under
Sleeve 27, fixes it；Pressure-sensitive adhesive type damping material YZN-4, YZN-5 and YZN-6 are copoly type, generally can be made into 0.05nun-
The tack damping layer of 0.20nun；
The viscoplasticity blend damping material of present embodiment can also realize that rubber elastomer is because of it using rubber material
Distinctive viscoplasticity can convert thermal energy consumption for mechanical energy under alternate stress effect and dissipate, the rubber material that this implementation uses
To be used as basis material with epoxy natural rubber (ENR-25, ENR-40, ENR-50), it is laminated using conventional blending method and gradient
Damping material is blended in the NR/ENR-25/ENR-40/ENR-50 quaternary of method preparation, and effective damping temperature range can be from -28.4 DEG C to 39.4
DEG C, tensile strength can reach 5.5MPa, elongation at break 642%.This is the prior art, and those skilled in the art can also join
Finished product is made or bought according to the prior art oneself.Notice that the volume of filled layer is bigger simultaneously, dissipation vibrational energy is more.
When horizontal direction shakes, filled layer 23 is due to occurring shear-deformable and pressure between upper bush 22 and lower sleeve 27
Compression deformation can dissipate a large amount of vibration energy, play and shake good damping action to horizontal direction, and when vertical direction is sent out
When raw vibration, filled layer 23 is also due to shear-deformable and compressive deformation dissipation vertical direction between upper bush 22 and lower sleeve 27
Vibration energy, due to the shape and length limitation of the shape and filled layer of upper bush 22 and lower sleeve 27, in subtracting for vertical direction
Shake, damping spring can dissipate most of energy.
In preferred embodiment, temperature adjustment bar 2 further includes the first fastener 21 and the second fastener 28；First fastener 21 and
Two fasteners 28 are equipped with internal screw thread, and the both ends of protection sleeve pipe 25 are respectively equipped with external screw thread, the first fastener 21 and the second fastening
Part 28 is respectively fitted over the both ends of protection sleeve pipe 25, and corresponding internal screw thread is engaged with external screw thread, and then makes the first fastener 21 and the
Two fasteners 28 clamp upper bush 22 and lower sleeve 27.
The first fastener 21 and the second fastener 28 of present embodiment setting can further consolidate upper bush 22 under
Sleeve 27 keeps the structure of temperature adjustment bar 2 more stable.
In preferred embodiment, the bottom of pointer gauge outfit 1 is equipped with internal screw thread, and the external screw thread stroke of 25 one end of protection sleeve pipe is greater than
The sum of the bottom internal screw thread of pointer gauge outfit 1 and the internal screw thread stroke of the first fastener 21, the bottom internal screw thread of pointer gauge outfit 1 and guarantor
The external screw thread of 25 one end of protecting pipe engages, and then realizes being fixedly connected for pointer gauge outfit 1 and temperature adjustment bar 2.
Present embodiment provides the mode of a kind of concatenation pointer gauge outfit 1 and temperature adjustment bar 2, by lengthening protection sleeve pipe 25 and protecting
The externally threaded stroke in one end of protecting pipe 25, makes protecting pipe 25 be also used as the connector of pointer gauge outfit 1 and temperature adjustment bar 2.
Although describing the present invention herein with reference to specific embodiment, it should be understood that, these realities
Apply the example that example is only principles and applications.It should therefore be understood that can be carried out to exemplary embodiment
Many modifications, and can be designed that other arrangements, without departing from spirit of the invention as defined in the appended claims
And range.It should be understood that different appurtenances can be combined by being different from mode described in original claim
Benefit requires and feature described herein.It will also be appreciated that the feature in conjunction with described in separate embodiments can be used
In other described embodiments.
Claims (3)
1. a kind of bimetallic thermometer, including pointer gauge outfit (1) and temperature adjustment bar (2), the temperature adjustment bar (2) includes protection sleeve pipe
(25) it is arranged in protection sleeve pipe (25) with temperature-sensing element (26), temperature-sensing element (26), the needle pivot of temperature-sensing element (26) connection
It is connect with the pointer in pointer gauge outfit (1), which is characterized in that the temperature adjustment bar (2) further includes upper bush (22), filled layer
(23), buffer spring (24) and lower sleeve (27)；
Protection sleeve pipe (25) passes through the center of upper bush (22) and lower sleeve (27), the outer surface of protection sleeve pipe (25) and upper bush
(22) it is fixedly connected with lower sleeve (27) contact portion, the lateral wall of upper bush (22) and between the inner sidewall of lower sleeve (27)
Inclined gap is formed, is filled with filled layer (23) in the gap；Filled layer (23) is by viscoplasticity blend damping material system
At buffer layer；
Buffer spring (24) covers on protection sleeve pipe (25), the both ends of buffer spring (24) be individually fixed in upper bush (22) and under
On sleeve (27), the drift of buffer spring (24) is greater than the spacing on upper bush (22) top and lower sleeve (27) bottom end.
2. bimetallic thermometer according to claim 1, which is characterized in that the temperature adjustment bar (2) further includes the first fastening
Part (21) and the second fastener (28)；First fastener (21) and the second fastener (28) are equipped with internal screw thread, protection sleeve pipe
(25) both ends are respectively equipped with external screw thread, and the first fastener (21) and the second fastener (28) are respectively fitted over protection sleeve pipe (25)
Both ends, and corresponding internal screw thread is engaged with external screw thread, and then the first fastener (21) and the second fastener (28) is made to clamp upper bush
(22) and lower sleeve (27).
3. bimetallic thermometer according to claim 1, which is characterized in that the bottom of pointer gauge outfit (1) is equipped with internal screw thread,
The external screw thread stroke of protection sleeve pipe (25) one end is greater than the bottom internal screw thread of pointer gauge outfit (1) and the interior spiral shell of the first fastener (21)
The bottom internal screw thread of the sum of line stroke, pointer gauge outfit (1) is engaged with the external screw thread of protection sleeve pipe (25) one end, and then realizes pointer
Gauge outfit (1) is fixedly connected with temperature adjustment bar (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920843223.2U CN209727294U (en) | 2019-06-05 | 2019-06-05 | Bimetallic thermometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920843223.2U CN209727294U (en) | 2019-06-05 | 2019-06-05 | Bimetallic thermometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209727294U true CN209727294U (en) | 2019-12-03 |
Family
ID=68675089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920843223.2U Expired - Fee Related CN209727294U (en) | 2019-06-05 | 2019-06-05 | Bimetallic thermometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209727294U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111879427A (en) * | 2020-08-04 | 2020-11-03 | 安徽徽宁电器仪表集团有限公司 | Bimetallic thermometer |
-
2019
- 2019-06-05 CN CN201920843223.2U patent/CN209727294U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111879427A (en) * | 2020-08-04 | 2020-11-03 | 安徽徽宁电器仪表集团有限公司 | Bimetallic thermometer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191203 Termination date: 20210605 |
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| CF01 | Termination of patent right due to non-payment of annual fee |