CN220525156U

CN220525156U - Armored wear-resistant thermocouple

Info

Publication number: CN220525156U
Application number: CN202321161448.2U
Authority: CN
Inventors: 许德俊; 许义彬
Original assignee: Jingfeng Group Tianchang Instrument Co ltd
Current assignee: Jingfeng Group Tianchang Instrument Co ltd
Priority date: 2023-05-15
Filing date: 2023-05-15
Publication date: 2024-02-23
Anticipated expiration: 2033-05-15

Abstract

The utility model discloses an armored wear-resistant thermocouple, which relates to the technical field of thermocouples and comprises a junction box, wherein the bottom end of the junction box is fixedly connected with a connecting column, the bottom end of the connecting column is movably connected with a hot electrode, the diameter of the connecting column is larger than that of the hot electrode, the bottom end of the connecting column is provided with a containing groove, the top end of the hot electrode is fixedly connected with a limiting plate, and a group of symmetrical abutting mechanisms are arranged in the containing groove. According to the utility model, through the limiting mechanism, when the baffle is abutted against the chamfer of the inserted rod, the inserted rod is extruded into the connecting column, and when the limiting plate moves to be right above the inserted rod, the inserted rod is extruded into the accommodating groove again under the action of the reset spring, and the inserted rod is used as the support of the limiting plate, so that the top end of the hot electrode is fixed in the accommodating groove, and the hot electrode is quickly separated from the connecting column.

Description

Armored wear-resistant thermocouple

Technical Field

The utility model relates to the technical field of thermocouples, in particular to an armored wear-resistant thermocouple.

Background

The armoured thermocouple is used as a temperature measuring sensor, is usually matched with a temperature transmitter, a regulator, a display instrument and the like to form a process control system, is used for directly measuring or controlling the temperatures of fluid, steam, gas medium, solid surface and the like in the range of 0-1800 ℃ in various production processes, is the same as an industrial assembly thermocouple, and is used as a temperature measuring sensor, and is usually matched with the display instrument, a recording instrument and an electronic regulator.

The existing thermocouple is usually used for connecting the hot electrode with the junction box in a threaded manner, and different types of fixing devices are arranged on the outer side of the hot electrode, so that the connection tightness between the hot electrode and the junction box can be guaranteed through threaded connection, but the hot electrode is inconvenient to detach or install, a worker is required to rotate for many times, and part of the hot electrode is fixedly connected with the junction box, so that the hot electrode cannot be replaced, and therefore, an armored wear-resistant thermocouple is required to solve the existing defects.

Disclosure of Invention

Technical problem to be solved

The utility model aims to make up the defects of the prior art and provides an armored wear-resistant thermocouple.

Technical proposal

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an armor wear-resisting thermocouple, includes the terminal box, the bottom fixedly connected with spliced pole of terminal box, the bottom swing joint of spliced pole has the hot electrode, and the diameter of spliced pole is greater than the diameter of hot electrode, the holding tank has been seted up to the bottom of spliced pole, the top fixedly connected with limiting plate of hot electrode, the inside of holding tank is provided with a set of symmetrical conflict mechanism, the inside swing joint of spliced pole has a set of symmetrical stop gear, and stop gear respectively with conflict mechanism swing joint;

the abutting mechanism comprises a guide rod, a compression spring and a baffle plate, wherein the top end of the guide rod is fixedly connected to the top end of the accommodating groove, the bottom end face of the guide rod is flush with the bottom end face of the connecting column, the compression spring is sleeved on the outer side of the guide rod, the guide rod penetrates through the baffle plate, and the guide rod is movably connected with the baffle plate;

the limiting mechanism comprises a inserted bar, a fixed block, a reset spring and a knob, wherein the inserted bar penetrates through the fixed block and is fixedly connected with the fixed block, the reset spring is sleeved on the outer side of the inserted bar, and one end, far away from the fixed block, of the inserted bar is fixedly connected with the knob.

Above-mentioned, limiting plate and holding tank swing joint, and the bottom of baffle is hugged closely in the top of limiting plate, compression spring's top fixed connection is in the top of holding tank, and compression spring's bottom fixed connection is in the top of baffle.

Above-mentioned, the surface of limiting plate begins to have a set of symmetry spacing hole, guide bar and spacing hole looks adaptation, and guide bar passes through spacing hole and limiting plate swing joint.

Above-mentioned, inserted bar, fixed block and reset spring all swing joint in the inside of spliced pole, and the knob is located the outside of spliced pole, the one end that the knob was kept away from to the inserted bar is constructed with the chamfer, the chamfer of inserted bar is towards the baffle, and the chamfer of inserted bar extends to the inside of holding tank.

Above-mentioned, the outside fixedly connected with several guide block of inserted bar, and the guide block is circular array and distributes, the outside cover of inserted bar is equipped with the direction piece, inserted bar and guide block all swing joint in the inboard of direction piece, and the length of guide block is less than the length of direction piece.

Above-mentioned, the diameter of direction piece is unanimous with the diameter of fixed block, and direction piece fixed connection is in the inside of spliced pole, reset spring's one end fixed connection is in the fixed block, and reset spring's the other end fixed connection is in the direction piece.

The beneficial effects are that:

compared with the prior art, the armored wear-resistant thermocouple has the following beneficial effects:

1. according to the utility model, the limiting plate is clamped into the accommodating groove through the arranged abutting mechanism, so that the guide rod penetrates through the limiting hole, the hot electrode is forcefully extruded into the accommodating groove, the baffle is extruded upwards by the limiting plate, the compression spring is compressed and shortened, the extrusion of the limiting plate is always kept, and a certain resistance is provided for the hot electrode in the inserting process.

2. According to the utility model, through the limiting mechanism, when the baffle is abutted against the chamfer of the inserted rod, the inserted rod is extruded into the connecting column, and when the limiting plate moves to be right above the inserted rod, the inserted rod is extruded into the accommodating groove again under the action of the reset spring, and the inserted rod is used as the support of the limiting plate, so that the top end of the hot electrode is fixed in the accommodating groove, and the hot electrode is quickly separated from the connecting column.

Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of a structure of a pressing mechanism according to the present utility model;

FIG. 3 is a schematic view of a limiting mechanism and a connector thereof according to the present utility model;

fig. 4 is an enlarged schematic view of the structure of fig. 1 a according to the present utility model.

In the figure: 1. a junction box; 2. a connecting column; 3. a hot electrode; 4. a receiving groove; 5. a limiting plate; 6. a collision mechanism; 601. a guide rod; 602. a compression spring; 603. a baffle; 7. a limiting mechanism; 701. a rod; 702. a fixed block; 703. a return spring; 704. a knob; 8. a limiting hole; 9. a guide block; 10. and a direction block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-4, the present utility model provides a technical solution: the utility model provides an armoured wear-resisting thermocouple, includes terminal box 1, terminal box 1's bottom fixedly connected with spliced pole 2, and spliced pole 2's bottom swing joint has thermoelectric pole 3, and spliced pole 2's diameter is greater than thermoelectric pole 3's diameter, and holding tank 4 has been seted up to spliced pole 2's bottom, and thermoelectric pole 3's top fixedly connected with limiting plate 5, holding tank 4's inside is provided with a set of symmetrical conflict mechanism 6, and spliced pole 2's inside swing joint has a set of symmetrical stop mechanism 7, and stop mechanism 7 respectively with conflict mechanism 6 swing joint.

Firstly, aligning a limiting plate 5 with a containing groove 4, inserting the top end of a hot electrode 3 into the containing groove 4, electrically connecting the hot electrode 3 with a junction box 1, keeping extrusion of the limiting plate 5 by a collision mechanism 6 all the time, enabling the hot electrode 3 to have certain resistance in the inserting process, triggering a limiting mechanism 7 to work by the collision mechanism 6, conveniently fixing the limiting plate 5 into the containing groove 4 by the limiting mechanism 7, and being beneficial to quickly separating the hot electrode 3 from a connecting column 2;

the abutting mechanism 6 comprises a guide rod 601, a compression spring 602 and a baffle 603, wherein the top end of the guide rod 601 is fixedly connected to the top end of the accommodating groove 4, the bottom end surface of the guide rod 601 is flush with the bottom end surface of the connecting column 2, the compression spring 602 is sleeved on the outer side of the guide rod 601, the guide rod 601 penetrates through the baffle 603, the guide rod 601 is movably connected with the baffle 603, the limiting plate 5 is movably connected with the accommodating groove 4, the bottom end of the baffle 603 is tightly attached to the top end of the limiting plate 5, the top end of the compression spring 602 is fixedly connected to the top end of the accommodating groove 4, the bottom end of the compression spring 602 is fixedly connected to the top end of the baffle 603, a group of symmetrical limiting holes 8 are formed in the surface of the limiting plate 5, the guide rod 601 is matched with the limiting holes 8, and the guide rod 601 is movably connected with the limiting plate 5 through the limiting holes 8;

the limiting mechanism 7 comprises a plunger 701, a fixed block 702, a reset spring 703 and a knob 704, wherein the plunger 701 penetrates through the fixed block 702, the plunger 701 is fixedly connected with the fixed block 702, the reset spring 703 is sleeved on the outer side of the plunger 701, one end of the plunger 701, which is far away from the fixed block 702, is fixedly connected with the knob 704, the plunger 701, the fixed block 702 and the reset spring 703 are movably connected inside the connecting column 2, the knob 704 is located on the outer side of the connecting column 2, one end of the plunger 701, which is far away from the knob 704, is provided with a chamfer, the chamfer of the plunger 701 faces the baffle 603, the chamfer of the plunger 701 extends to the inside of the accommodating groove 4, the outer side of the plunger 701 is fixedly connected with a plurality of guide blocks 9, the guide blocks 9 are distributed in a circular array, the outer side of the plunger 701 is sleeved with a direction block 10, the plunger 701 and the guide blocks 9 are movably connected on the inner side of the direction block 10, the length of the guide blocks 9 is smaller than the length of the direction block 10, the diameter of the direction block 10 is consistent with the diameter of the fixed block 702, the direction block 10 is fixedly connected inside the connecting column 2, one end of the reset spring 703 is fixedly connected with the other end of the fixing block 702, and the direction block is fixedly connected with the inside the fixing block 10, and the direction 10 is fixedly connected with the direction 10.

The limiting plate 5 is clamped into the accommodating groove 4, the guide rod 601 penetrates through the limiting hole 8, the hot electrode 3 is forcefully extruded into the accommodating groove 4, the baffle 603 is extruded upwards by the limiting plate 5, the compression spring 602 is compressed and shortened, the extrusion of the limiting plate 5 is always kept, and the hot electrode 3 has certain resistance in the inserting process.

When baffle 603 is inconsistent with the chamfer of inserted bar 701, extrude the inside of inserted bar 701 to spliced pole 2, under the effect of fixed block 702, make reset spring 703 compression shorten, and guide block 9 moves in the inside of direction piece 10, knob 704 is kept away from spliced pole 2 simultaneously, when limiting plate 5 moves to directly over inserted bar 701, under reset spring 703's effect, extrude inserted bar 701 to holding tank 4's inside again, and utilize inserted bar 701 as the support of limiting plate 5, thereby be fixed in holding tank 4's inside with the top of hot electrode 3, and be favorable to carrying out quick separation with hot electrode 3 and spliced pole 2.

Working principle: when the thermal electrode device is used, firstly, the limiting holes 8 on two sides of the limiting plate 5 are aligned with the guide rods 601, the limiting plate 5 is clamped into the accommodating groove 4, the guide rods 601 penetrate through the limiting holes 8, the thermal electrode 3 is forcefully extruded into the accommodating groove 4, the baffle plate 603 is extruded upwards by the limiting plate 5, so that the compression spring 602 is compressed and shortened, when the baffle plate 603 is in contact with the chamfer of the inserting rod 701, the inserting rod 701 is extruded into the connecting column 2, the restoring spring 703 is compressed and shortened under the action of the fixing block 702, the guide blocks 9 move in the direction block 10, meanwhile, the knob 704 is far away from the connecting column 2, when the limiting plate 5 moves to the position right above the inserting rod 701, the inserting rod 701 is extruded into the accommodating groove 4 again under the action of the restoring spring 703, and the inserting rod 701 is used as the support of the limiting plate 5, so that the top end of the thermal electrode 3 is fixed in the accommodating groove 4.

It should be noted that, in this document, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "fixedly attached," "mounted," "connected," and "coupled" are to be construed broadly, e.g., as a fixed connection, as a removable connection, or as an integral connection; "coupled" may be either mechanical or electrical; the "connection" may be direct, indirect via an intermediary, or communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

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

Claims

1. The utility model provides an armoured wear-resisting thermocouple, includes terminal box (1), its characterized in that: the thermal insulation type junction box is characterized in that a connecting column (2) is fixedly connected to the bottom end of the junction box (1), a thermoelectric electrode (3) is movably connected to the bottom end of the connecting column (2), the diameter of the connecting column (2) is larger than that of the thermoelectric electrode (3), a containing groove (4) is formed in the bottom end of the connecting column (2), a limiting plate (5) is fixedly connected to the top end of the thermoelectric electrode (3), a group of symmetrical abutting mechanisms (6) are arranged in the containing groove (4), a group of symmetrical limiting mechanisms (7) are movably connected to the inside of the connecting column (2), and the limiting mechanisms (7) are movably connected with the abutting mechanisms (6) respectively;

the abutting mechanism (6) comprises a guide rod (601), a compression spring (602) and a baffle plate (603), wherein the top end of the guide rod (601) is fixedly connected to the top end of the accommodating groove (4), the bottom end surface of the guide rod (601) is flush with the bottom end surface of the connecting column (2), the compression spring (602) is sleeved on the outer side of the guide rod (601), the guide rod (601) penetrates through the baffle plate (603), and the guide rod (601) is movably connected with the baffle plate (603);

stop gear (7) are including inserted bar (701), fixed block (702), reset spring (703) and knob (704), inserted bar (701) run through fixed block (702), and inserted bar (701) and fixed block (702) fixed connection, reset spring (703) cover is located the outside of inserted bar (701), one end and knob (704) fixed connection of fixed block (702) are kept away from to inserted bar (701).

2. An armored wear resistant thermocouple in accordance with claim 1, wherein: limiting plate (5) and holding tank (4) swing joint, and the bottom of baffle (603) is hugged closely in the top of limiting plate (5), the top fixed connection of compression spring (602) is in the top of holding tank (4), and the bottom fixed connection of compression spring (602) is in the top of baffle (603).

3. An armored wear resistant thermocouple in accordance with claim 2, wherein: the surface of limiting plate (5) begins to have a set of symmetry spacing hole (8), guide bar (601) and spacing hole (8) looks adaptation, and guide bar (601) pass through spacing hole (8) and limiting plate (5) swing joint.

4. An armored wear resistant thermocouple in accordance with claim 1, wherein: the utility model discloses a connecting column (2) is connected in the inside of spliced pole (2), and knob (704), inserted bar (701), fixed block (702) and reset spring (703) all swing joint, and the outside of spliced pole (2) is located, the one end that knob (704) was kept away from to inserted bar (701) is constructed with the chamfer, the chamfer of inserted bar (701) is towards baffle (603), and the chamfer of inserted bar (701) extends to the inside of holding tank (4).

5. An armored wear resistant thermocouple in accordance with claim 4, wherein: the outside fixedly connected with several guide block (9) of inserted bar (701), and guide block (9) are circular array and distribute, the outside cover of inserted bar (701) is equipped with direction piece (10), the equal swing joint of inserted bar (701) and guide block (9) is in the inboard of direction piece (10), and the length of guide block (9) is less than the length of direction piece (10).

6. An armored wear resistant thermocouple in accordance with claim 5, wherein: the diameter of the direction block (10) is consistent with that of the fixed block (702), the direction block (10) is fixedly connected to the inside of the connecting column (2), one end of the reset spring (703) is fixedly connected to the fixed block (702), and the other end of the reset spring (703) is fixedly connected to the direction block (10).