CN221123622U

CN221123622U - Waterproof thermocouple of chemical reaction furnace

Info

Publication number: CN221123622U
Application number: CN202322765465.3U
Authority: CN
Inventors: 侯杰霖
Original assignee: Chongqing Dyon Instrument Co ltd
Current assignee: Chongqing Dyon Instrument Co ltd
Priority date: 2023-10-16
Filing date: 2023-10-16
Publication date: 2024-06-11
Anticipated expiration: 2033-10-16

Abstract

The utility model provides a waterproof thermocouple of a chemical reaction furnace, which relates to the technical field of chemical thermocouples and comprises a waterproof cover, an upper shield and a lower shield, wherein a junction box is arranged in the waterproof cover, one end of the junction box is connected with an inner wire harness, a protection pipe is wrapped outside the inner wire harness, a protection head is arranged between the protection pipe and the waterproof cover, a mounting flange is arranged in the middle of the protection pipe, an upper inner sleeve and a lower inner sleeve in the upper shield and the lower shield are combined to form another waterproof protection layer, the junction box is arranged in a pre-notch of the upper inner sleeve and the lower inner sleeve, and after the junction box is assembled, plugboards on two sides of the bottom of the upper inner sleeve are directly inserted into slots on two sides of the top of the lower inner sleeve, so that a double shield is formed, the junction box is effectively protected, and the problem that the waterproof performance of the end part of the existing thermocouple is poor, for example, moisture can infiltrate into a reaction kettle in chemical production equipment, and if liquid with strong corrosiveness can also damage an internal circuit is solved.

Description

Waterproof thermocouple of chemical reaction furnace

Technical Field

The utility model relates to the technical field of chemical thermocouples, in particular to a waterproof thermocouple of a chemical reaction furnace.

Background

Thermocouples are commonly used temperature measuring elements in temperature measuring instruments, which directly measure temperature and convert temperature signals into thermoelectromotive signals, which are converted into the temperature of the medium to be measured by an electrical instrument (secondary instrument). The external forms of the thermocouples are quite different according to the needs, but the basic structures of the thermocouples are almost the same, and the thermocouples are usually composed of main parts such as a hot electrode, an insulating sleeve protection tube, a junction box and the like, and are usually matched with a display instrument, a recording instrument and an electronic regulator for use, wherein the temperature is one of important parameters to be measured and controlled in the industrial production process. In temperature measurement, the thermocouple has the advantages of simple structure, convenient manufacture, wide measurement range, high precision, small inertia, convenient remote transmission of output signals and the like. In addition, the thermocouple is a passive sensor, and is convenient to use because no external power supply is needed during measurement, so the thermocouple is often used for measuring the temperature of gas or liquid in a furnace or a pipeline and the surface temperature of solids.

The thermocouple in the existing equipment is very convenient to use, is often used for measuring the temperature of gas or liquid in a furnace and a pipeline and the surface temperature of solid, and is also widely applied to the technical field of chemical production, but the following problems exist in the actual use process: the existing thermocouple has poor waterproof performance at the end part, water can infiltrate into chemical production equipment such as a reaction kettle, and if the water contains highly corrosive liquid, the internal circuit can be damaged, so that the waterproof thermocouple of the chemical reaction furnace is needed to solve the problems.

Disclosure of utility model

The utility model aims to solve the problems that the waterproof performance of the end part of the traditional thermocouple is poor, moisture can infiltrate into chemical production equipment such as a reaction kettle, and if the water contains liquid with strong corrosiveness, the internal circuit can be damaged, and the waterproof thermocouple of the chemical reaction furnace is provided.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a waterproof thermocouple of chemical industry reacting furnace, includes buckler, goes up guard shield and lower guard shield, the internally mounted of buckler has the terminal box, the one end of terminal box is connected with interior pencil, the outside parcel of interior pencil has the protection tube, be equipped with the protection head between protection tube and the buckler, the middle part of protection tube is equipped with mounting flange.

Preferably, the waterproof cover is formed by combining an upper shield and a lower shield, the two sides, the front and the back of the outer part of the upper shield are embedded with embedded blocks, the bottom of each embedded block is provided with an inserting sheet, and the front of each inserting sheet is provided with a lock hole.

Preferably, clamping blocks are embedded on two sides, the front face and the back face of the outer portion of the lower shield, a socket is formed in the top of each clamping block, and a lock plunger penetrates through the front face of each clamping block.

Preferably, the insert and the socket are mutually matched, and the lock bolt and the lock hole are mutually matched.

Preferably, the bottoms in the upper shield and the lower shield are provided with ring grooves, and sealing rings are clamped in the ring grooves.

Preferably, the middle part in the upper shield is provided with an upper inner sleeve, the middle part in the lower shield is provided with a lower inner sleeve, and the middle parts of the upper inner sleeve and the lower inner sleeve are provided with pre-notch.

Preferably, the two sides of the bottom of the upper inner sleeve are respectively provided with an inserting plate, the two sides of the top of the lower inner sleeve are respectively provided with an inserting groove, and the inserting plates and the inserting grooves are mutually matched.

Advantageous effects

According to the utility model, the junction box and the inner wire bundle of the thermocouple are mainly protected in the device by the external protection tube, the junction box is protected by the external waterproof cover, the waterproof cover can perform double-seal protection on the junction box, the waterproof cover consists of the upper shield and the lower shield, the position of the connecting position of the upper shield and the lower shield, namely the position of the ring groove, is provided with the sealing ring in the ring groove, the sealing ring can play a good sealing role, meanwhile, the upper inner sleeve and the lower inner sleeve in the upper shield and the lower shield are combined to form another waterproof protection layer, the junction box is placed in the pre-notch of the upper inner sleeve and the lower inner sleeve, after the junction box is assembled, the plugboards at the two sides of the bottom of the upper inner sleeve are directly inserted into the slots at the two sides of the top of the lower inner sleeve, so that the double shields are formed, the junction box is effectively protected, and the problem that the waterproof performance of the end part of the traditional thermocouple is poor, for example, in a reaction kettle, water can infiltrate into water can damage an internal circuit if the water contains strong corrosive liquid.

Drawings

FIG. 1 is a main block diagram of the present utility model;

FIG. 2 is a view showing the construction of the waterproof cover of the present utility model;

FIG. 3 is a view showing a construction of the waterproof cover according to the present utility model;

FIG. 4 is a view showing the construction of the inner part of the upper shield of the present utility model;

Fig. 5 is a view showing the internal structure of the lower shield of the present utility model.

Legend description:

1. A junction box; 2. a waterproof cover; 3. a mounting flange; 4. a protective tube; 5. an inner wire harness; 6. an upper shield; 7. an insert; 8. a clamping block; 9. protecting the head; 10. a lower shield; 11. inserting sheets; 12. a lock hole; 13. a seal ring; 14. a ring groove; 15. a socket; 16. a lock bolt; 17. an upper inner sleeve; 18. pre-notch; 19. inserting plate; 20. a lower inner sleeve; 21. a slot.

Detailed Description

In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model.

Specific embodiments of the present utility model are described below with reference to the accompanying drawings.

First embodiment:

Referring to fig. 1-5, a waterproof thermocouple of a chemical reaction furnace comprises a waterproof cover 2, an upper shield 6 and a lower shield 10, wherein a junction box 1 is arranged in the waterproof cover 2, one end of the junction box 1 is connected with an inner wire bundle 5, a protection tube 4 is wrapped outside the inner wire bundle 5, a protection head 9 is arranged between the protection tube 4 and the waterproof cover 2, and a mounting flange 3 is arranged in the middle of the protection tube 4.

The waterproof cover 2 is formed by combining an upper shield 6 and a lower shield 10, the two sides of the outer part of the upper shield 6 and the front and the back are embedded with an embedded block 7, the bottom of the embedded block 7 is provided with an inserting sheet 11, and the front of the inserting sheet 11 is provided with a lock hole 12.

The two sides, the front and the back of the outer part of the lower shield 10 are embedded with clamping blocks 8, the top of each clamping block 8 is provided with a socket 15, and the front of each clamping block 8 is penetrated with a lock plunger 16.

The insert 11 and the socket 15 are mutually matched, and the lock bolt 16 and the lock hole 12 are mutually matched.

The bottoms of the upper shield 6 and the lower shield 10 are respectively provided with a ring groove 14, and the inside of each ring groove 14 is clamped with a sealing ring 13.

The middle part in the upper shield 6 is provided with an upper inner sleeve 17, the middle part in the lower shield 10 is provided with a lower inner sleeve 20, and the middle parts of the upper inner sleeve 17 and the lower inner sleeve 20 are provided with pre-notch 18.

The two sides of the bottom of the upper inner sleeve 17 are provided with inserting plates 19, the two sides of the top of the lower inner sleeve 20 are provided with inserting grooves 21, and the inserting plates 19 and the inserting grooves 21 are mutually matched.

Specific embodiment II:

Referring to fig. 1 to 5, in the present apparatus, the junction box 1 and the inner wire harness 5 of the thermocouple are mainly protected from water, the inner wire harness 5 is mainly protected by the external protection tube 4, the junction box 1 is protected by the external waterproof cover 2, the waterproof cover 2 performs double sealing protection on the junction box 1, the waterproof cover 2 is composed of the upper shield 6 and the lower shield 10, and during external assembly, the insert 11 outside the upper shield 6 is inserted into the socket 15 outside the lower shield 10, and then is fastened and fixed by penetrating through the lock bolt 16.

The position of the internal connection part of the upper shield 6 and the lower shield 10, namely the position of the ring groove 14, a sealing ring 13 is arranged in the ring groove 14, the sealing ring 13 has a good sealing effect, meanwhile, the upper inner sleeve 17 and the lower inner sleeve 20 in the upper shield 6 and the lower shield 10 are combined to form another layer of waterproof protection, the junction box 1 is arranged in the pre-notch 18 of the upper inner sleeve 17 and the lower inner sleeve 20, and after the junction box is assembled, the plugboards 19 on two sides of the bottom of the upper inner sleeve 17 are directly inserted into the slots 21 on two sides of the top of the lower inner sleeve 20, so that a double shield is formed, and the junction box 1 is effectively protected.

To sum up:

1. In the device, the junction box 1 and the inner wire bundle 5 of the thermocouple are mainly protected in a waterproof manner, the inner wire bundle 5 is mainly protected through an external protection tube 4, the junction box 1 is protected through an external waterproof cover 2, the waterproof cover 2 can double-seal and protect the junction box 1, the waterproof cover 2 consists of an upper shield 6 and a lower shield 10, and when the device is assembled outside, an inserting piece 11 outside the upper shield 6 is inserted into a socket 15 outside the lower shield 10, and then the device is locked and fixed by penetrating through a lock bolt 16.

2. The position of the internal connection part of the upper shield 6 and the lower shield 10, namely the position of the ring groove 14, a sealing ring 13 is arranged in the ring groove 14, the sealing ring 13 has a good sealing effect, meanwhile, the upper inner sleeve 17 and the lower inner sleeve 20 in the upper shield 6 and the lower shield 10 are combined to form another layer of waterproof protection, the junction box 1 is arranged in the pre-notch 18 of the upper inner sleeve 17 and the lower inner sleeve 20, and after the junction box is assembled, the plugboards 19 on two sides of the bottom of the upper inner sleeve 17 are directly inserted into the slots 21 on two sides of the top of the lower inner sleeve 20, so that a double shield is formed, and the junction box 1 is effectively protected.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. Waterproof thermocouple of chemical industry reacting furnace, including buckler (2), last guard shield (6) and lower guard shield (10), its characterized in that: internally mounted of buckler (2) has terminal box (1), the one end of terminal box (1) is connected with interior pencil (5), the outside parcel of interior pencil (5) has protection tube (4), be equipped with between protection tube (4) and buckler (2) and protect first (9), the middle part of protection tube (4) is equipped with mounting flange (3).

2. The chemical reaction furnace waterproof thermocouple of claim 1, wherein: the waterproof cover (2) is formed by combining an upper shield (6) and a lower shield (10), the two sides, the front side and the back side of the outer portion of the upper shield (6) are embedded with an embedded block (7), the bottom of the embedded block (7) is provided with an inserting sheet (11), and the front side of the inserting sheet (11) is provided with a lock hole (12).

3. The chemical reaction furnace waterproof thermocouple of claim 2, wherein: the two sides, the front side and the back side of the outer part of the lower shield (10) are embedded with clamping blocks (8), the top of each clamping block (8) is provided with a socket (15), and the front side of each clamping block (8) is penetrated with a lock plunger (16).

4. A chemical reaction furnace waterproof thermocouple according to claim 3, characterized in that: the inserting piece (11) and the inserting opening (15) are mutually matched, and the lock bolt (16) and the lock hole (12) are mutually matched.

5. The chemical reaction furnace waterproof thermocouple of claim 1, wherein: the bottoms in the upper shield (6) and the lower shield (10) are respectively provided with a ring groove (14), and the inside of each ring groove (14) is clamped with a sealing ring (13).

6. The chemical reaction furnace waterproof thermocouple of claim 1, wherein: the middle part in the upper shield (6) is provided with an upper inner sleeve (17), the middle part in the lower shield (10) is provided with a lower inner sleeve (20), and the middle parts of the upper inner sleeve (17) and the lower inner sleeve (20) are provided with pre-notch (18).

7. The chemical reaction furnace waterproof thermocouple of claim 6, wherein: the two sides of the bottom of the upper inner sleeve (17) are respectively provided with an inserting plate (19), the two sides of the top of the lower inner sleeve (20) are respectively provided with an inserting groove (21), and the inserting plates (19) and the inserting grooves (21) are mutually matched.