CN209356084U - A kind of two-tube protection thermocouple - Google Patents
A kind of two-tube protection thermocouple Download PDFInfo
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- CN209356084U CN209356084U CN201920196944.9U CN201920196944U CN209356084U CN 209356084 U CN209356084 U CN 209356084U CN 201920196944 U CN201920196944 U CN 201920196944U CN 209356084 U CN209356084 U CN 209356084U
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- casing
- protecting tube
- tube
- rotating cylinder
- thermocouple
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Abstract
The utility model provides a kind of two-tube protection thermocouple, which is provided with protecting tube and driving assembly in the structure basis of existing thermocouple, and protecting tube is set in jacket exterior, is used for protection sleeve pipe, prevents casing from being deformed by external force；In addition the bottom of protecting tube is equipped with multiple inclined elastic block pieces, and elastic block piece is used to protect the measurement end of thermocouple sheath, and elastic block piece has interval each other, will not influence the measurement accuracy of thermocouple when measuring the temperature of fluid；In addition also protecting tube can be driven to move up by driving assembly, so that the measurement end of thermocouple is squeezed elastic block piece and makes elastic block piece that elastic deformation occur, so as to expose from conical cavity, the precision of measurement solid temperature can be improved.
Description
Technical field
The utility model relates to area of thermocouples, and in particular to a kind of two-tube protection thermocouple.
Background technique
Thermocouple is common temperature element in temperature measuring instrument, it directly measures temperature, and temperature signal is converted
At thermo-electromotive force signal, the temperature of measured medium is converted by electric meter.Normal pole due to needs of the shape of various thermocouples
It is not identical, but their basic structure is roughly the same, usually by main portions such as thermode, insulation sleeve protection pipe and terminal boxes
It is grouped as, and needs and display instrument, recording apparatus and electronic controller match.
In the prior art since the insulation sleeve protection pipe of thermocouple is more elongated, cause to be easy to during the installation process because by
Bending deformation occurs to external force, and then influences the measurement accuracy of thermocouple, therefore there are further improvements.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of two-tube protection thermocouple, mainly solves existing skill
Thermocouple in art is because have elongated casing, and when installing and using, there is be easy to cause casing to bend and then influence thermometric effect
The problem of fruit.
A kind of two-tube protection thermocouple, including terminal box and casing, casing are arranged below terminal box, and heat is equipped in casing
Electrode, it is characterised in that: further include driving assembly and protecting tube；
Protecting tube is set in jacket exterior, the axis collinear of the two；There are gaps between protecting tube and casing；Protecting tube
Bottom end opening, and be circumferentially with and multiple have a spaced elastic block piece each other；Elastic block piece is towards the axis of casing
Inclination, so as to form the conical cavity for containment sheath measurement end；
Protecting tube is connect with driving assembly, and is driven by driving assembly and axially moved along casing, so that casing be made to measure
Expose conical cavity or be hidden in conical cavity in end.
Preferably, driving assembly includes rotating cylinder；Rotating cylinder is set in jacket exterior, and the installation that can be rotated around casing axis
Below terminal box；Rotating cylinder inwall is equipped with internal screw thread, and the outer wall of protecting tube is equipped with external screw thread, and rotating cylinder is threadedly coupled with protecting tube.
Preferably, positioning seat is equipped with below terminal box, positioning seat is equipped with circumferential guide rail, and drum rotation is mounted on guide rail
On.
Preferably, the outer wall of rotating cylinder is equipped with anti-skid bulge.
Preferably, the top of protecting tube is provided with the through-hole passed through for casing, is equipped with sealing ring in through-hole.
Preferably, multilayer enhancement layer is axially arranged with along it on the inner wall of protecting tube, be equipped with multiple reinforcements in every layer of enhancement layer
Bar.
Preferably, multiple reinforcing rods in enhancement layer are horizontally disposed, and circumferentially array distribution each other, array
Center is located on the axis of casing；The area of space passed through for casing is defined between multiple reinforcing rods.
Preferably, all enhancement layer Spiral distributions are on the inner wall of protecting tube.
Compared to the prior art, the utility model has the beneficial effects that:
1, a kind of two-tube protection thermocouple is provided, which is provided with protecting tube in the structure basis of existing thermocouple
And driving assembly, protecting tube are set in jacket exterior, are used for protection sleeve pipe, prevent casing from being deformed by external force；In addition protecting tube
Bottom be equipped with multiple inclined elastic block pieces, elastic block piece is used to protect the measurement end of thermocouple sheath, and elastic block piece
There is interval each other, will not influence the measurement accuracy of thermocouple when measuring the temperature of fluid；In addition driving can also be passed through
Component driver protecting tube moves up, and so that the measurement end of thermocouple is squeezed elastic block piece and makes elastic block piece that elastic deformation occur,
So as to expose from conical cavity, the precision of measurement solid temperature can be improved；
2, in order to improve the intensity of protecting tube, be additionally provided with multilayer enhancement layer along its axial direction on the inner wall of protecting tube, every layer plus
Multiple reinforcing rods are equipped in strong layer, all enhancement layer Spiral distributions on the inner wall of protecting tube, i.e., the enhancement layer of arbitrary neighborhood it
Between all have angle so that protecting tube can keep out active force more from different angle, improve protection effect.
Detailed description of the invention
Fig. 1 be the utility model proposes two-tube protection thermocouple external view；
Fig. 2 be the utility model proposes two-tube protection thermocouple interior views；
Fig. 3 is the cross-sectional view of protecting tube in the utility model；
Fig. 4 is the bottom view of protecting tube in the utility model；
Appended drawing reference is as follows:
1, terminal box；2, positioning seat；3, rotating cylinder；4, protecting tube；5, elastic block piece；6, guide rail；7, casing；8, reinforcing rod.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.Term
The orientation or state relation of the instructions such as "inner", "upper", "lower" are orientation based on the figure or state relation, merely to just
In description the utility model and simplify description, rather than the device or element of indication or suggestion meaning there must be specific side
Position is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention；The specification of the utility model
It is to be used to distinguish similar objects with the term " first " in claims and above-mentioned attached drawing, " second " etc., without being used for
The specific sequence of description or precedence.It should be understood that the data used in this way are interchangeable under appropriate circumstances, so as to here
The embodiments of the present invention of description.
A kind of two-tube protection thermocouple as shown in Figs 1-4, including terminal box 1 and casing 7, casing 7 are arranged in terminal box 1
Lower section, it further includes driving assembly and protecting tube 4 that casing 7 is interior, which to be equipped with thermode,；
Protecting tube 4 is set in outside casing 7, the axis collinear of the two；There are gaps between protecting tube 4 and casing 7；Protection
The bottom end opening of pipe 4, and be circumferentially with and multiple have a spaced elastic block piece 5 each other；Elastic block piece 5 is towards casing
7 axis inclination, so as to form the conical cavity for 7 measurement end of containment sheath；
Protecting tube 4 is connect with driving assembly, and is driven by driving assembly and moved axially along casing 7, so that casing 7 be made to survey
Expose conical cavity or be hidden in conical cavity in amount end.
The present embodiment is for thermocouple in the prior art because have elongated casing 7, and when installing and using, there is appearances
The problem of casing 7 bends and then influences thermometric effect is easily led to, devises a kind of two-tube protection thermocouple, the device is in existing warm
Protecting tube 4 and driving assembly are provided in the structure basis of galvanic couple, wherein protecting tube 4 is set in outside casing 7, for protecting
Casing 7 prevents casing 7 from being deformed by external force；In addition the bottom of protecting tube 4 is equipped with multiple inclined elastic block pieces 5, elastic block piece
5 for protecting the measurement end of thermocouple sheath 7, and elastic block piece 5 has interval each other, when measuring the temperature of fluid
It will not influence the measurement accuracy of thermocouple；In addition also protecting tube 7 can be driven to move up by driving assembly, makes the survey of thermocouple
Amount end squeezes elastic block piece 5 and makes elastic block piece 5 that elastic deformation occur, and so as to expose from conical cavity, it is solid to improve measurement
The precision of temperature.
As shown in Figures 2 and 3, driving assembly includes rotating cylinder 3, and rotating cylinder 3 is set in outside casing 7 for further specific setting
Portion, and what can be rotated around 7 axis of casing is mounted on 1 lower section of terminal box, specific structure is that positioning seat 2 is equipped with below terminal box 1,
Positioning seat 2 is equipped with circumferential guide rail 6, and rotating cylinder 3 is rotatably installed on guide rail 6, and guide rail 6 is T-type guide rail, has both been able to achieve rotating cylinder 3
Rotation, while rotating cylinder 3 will not also fall off from positioning seat 2；3 inner wall of rotating cylinder is equipped with internal screw thread, and the outer wall of protecting tube 4 is equipped with outer
Screw thread, rotating cylinder 3 are threadedly coupled with protecting tube 4, can realize the vertically movable of protecting tube 4 by rotating rotating cylinder 3.
For the ease of rotation, the anti-skid bulge of vertical bar shape is additionally provided on the outer wall of rotating cylinder 3；Thermocouple is being surveyed in order to prevent
There may be fluid to overflow outward when measuring fluid temperature (F.T.) from protecting tube 4, the top of protecting tube 4 is provided with for casing 7 in the present embodiment
The through-hole passed through, the diameter of through-hole are equal to the diameter of casing 7, are equipped with sealing ring in through-hole.
Further, in order to improve the intensity of protecting tube 4, multilayer is additionally provided with along its axial direction on the inner wall of protecting tube 4 and is reinforced
Layer, every layer of enhancement layer is interior to be equipped with multiple reinforcing rods 8；Multiple reinforcing rods 8 are horizontally disposed, and circumferentially array divides each other
Cloth, array center are located on the axis of casing 7；The area of space passed through for casing 7 is defined between multiple reinforcing rods 8,
As shown in figure 3, being equipped with 4 reinforcing rods, 8,4 square distributions of reinforcing rod 8 in every layer of enhancement layer in the present embodiment；Further
, all enhancement layer Spiral distributions all have angle between the enhancement layer of arbitrary neighborhood on the inner wall of protecting tube 4, thus
Enable protecting tube 4 to keep out active force more from different angle, improves protection effect.
More than, the only preferable specific embodiment of the utility model, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, according to the utility model
Technical solution and its utility model design be subject to equivalent substitution or change, should all cover the protection scope of the utility model it
It is interior.
Claims (8)
1. a kind of two-tube protection thermocouple, including terminal box (1) and casing (7), casing (7) setting is below terminal box (1), set
It manages and is equipped with thermode in (7), it is characterised in that: further include driving assembly and protecting tube；
Protecting tube (4) is set in casing (7) outside, the axis collinear of the two；There are gaps between protecting tube (4) and casing (7)；
The bottom end opening of protecting tube (4), and be circumferentially with it is multiple each other have spaced elastic block piece (5)；Elastic block piece (5)
It is tilted towards the axis of casing (7), so as to form the conical cavity for being used for containment sheath (7) measurement end；
Protecting tube (4) is connect with driving assembly, and is moved axially by driving assembly driving along casing (7), to make casing (7)
Measurement end is exposed conical cavity or is hidden in conical cavity.
2. two-tube protection thermocouple according to claim 1, it is characterised in that: driving assembly includes rotating cylinder (3)；Rotating cylinder
(3) it is set in casing (7) outside, and what can be rotated around casing (7) axis be mounted below terminal box (1)；Rotating cylinder (3) inner wall
Equipped with internal screw thread, the outer wall of protecting tube (4) is equipped with external screw thread, and rotating cylinder (3) is threadedly coupled with protecting tube (4).
3. two-tube protection thermocouple according to claim 2, it is characterised in that: be equipped with positioning seat below terminal box (1)
(2), positioning seat (2) is equipped with circumferential guide rail (6), and rotating cylinder (3) is rotatably installed on guide rail (6).
4. two-tube protection thermocouple according to claim 2, it is characterised in that: the outer wall of rotating cylinder (3) is equipped with anti-skidding convex
It rises.
5. two-tube protection thermocouple according to claim 1, it is characterised in that: the top of protecting tube (4) is provided with for set
The through-hole that pipe (7) passes through, through-hole is interior to be equipped with sealing ring.
6. two-tube protection thermocouple according to claim 1, it is characterised in that: along its axial direction on the inner wall of protecting tube (4)
Equipped with multilayer enhancement layer, multiple reinforcing rods (8) are equipped in every layer of enhancement layer.
7. two-tube protection thermocouple according to claim 6, it is characterised in that: multiple reinforcing rods (8) water in enhancement layer
Plain cloth is set, and circumferentially array distribution, array center are located on the axis of casing (7) each other；Multiple reinforcing rods (8)
Between define the area of space passed through for casing (7).
8. two-tube protection thermocouple according to claim 7, it is characterised in that: all enhancement layer Spiral distributions are in protecting tube
(4) on inner wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920196944.9U CN209356084U (en) | 2019-02-14 | 2019-02-14 | A kind of two-tube protection thermocouple |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920196944.9U CN209356084U (en) | 2019-02-14 | 2019-02-14 | A kind of two-tube protection thermocouple |
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| Publication Number | Publication Date |
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| CN209356084U true CN209356084U (en) | 2019-09-06 |
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| CN201920196944.9U Active CN209356084U (en) | 2019-02-14 | 2019-02-14 | A kind of two-tube protection thermocouple |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109752110A (en) * | 2019-02-14 | 2019-05-14 | 安徽天康(集团)股份有限公司 | A kind of two-tube protection thermocouple |
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2019
- 2019-02-14 CN CN201920196944.9U patent/CN209356084U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109752110A (en) * | 2019-02-14 | 2019-05-14 | 安徽天康(集团)股份有限公司 | A kind of two-tube protection thermocouple |
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