Thermocouple wire insulation and protection integrated device

Abstract

The utility model discloses a thermocouple wire interval insulation protective sleeve integration device, including protection mechanism, the inner chamber of protection mechanism is equipped with two conducting wires with the thermocouple working end connection, and the top of protection mechanism is equipped with the wiring mechanism, and the anti -pressure mechanism is equipped between conducting wire and protection mechanism, the anti -pressure mechanism includes the ceramic sleeve pipe of up and down sleeve in the surface of conducting wire, through ceramic sleeve pipe has excellent mechanical property, thermal stability, insulation, air -tightness, moisture resistance and light -resistant performance, can play the insulation protection effect to conducting wire, can avoid the mutual influence between two conducting wires, through the cooperation of spring and telescopic spare, can realize double anti -pressure measure, improve damping coefficient, help to improve the anti -pressure effect, can play the guiding effect to spring, make the reverse spring force that spring produces when compressing can be with the direction of pressure always on same straight line, avoid the spring skew, further improved the protection effect of anti -pressure mechanism.

Description

TECHNICAL FIELD

[0001] The utility model relates to thermocouple technical field especially relates to a thermocouple wire insulation protection sleeve integration device. BACKGROUND

[0002] Thermocouple is the temperature measuring instrument commonly used temperature measuring element, it directly measures temperature, and temperature signal is converted into thermoelectric electromotive force signal, through electrical instrument (secondary instrument) conversion into the temperature of measured medium. The appearance of various thermocouples is extremely different due to the need, but their basic structure is roughly the same, usually by thermocouple, insulation sleeve protection tube and terminal box etc. Main part is composed, usually and display instrument, recording instrument and electronic regulator are used in pairs.

[0003] The patent document with the announcement number CN218724779U discloses a kind of thermocouple insulation protection mechanism, metal wire is insulated and protected by the PVC insulation sleeve outside metal wire and the cross-linked polyethylene filling layer inside it, PVC insulation sleeve refers to polyvinyl chloride plastic, its physical mechanical property is good, extrusion process and specific gravity are lighter, simultaneously have the characteristics of oil resistance and corrosion resistance, cross-linked polyethylene electric insulation performance is superior, it is a kind of thermoset material after high molecular crosslinking, two kinds of materials are wrapped to metal wire, improve the beneficial effect of the insulation protection of internal metal wire of thermocouple, simultaneously, by the aluminum tape shielding layer inside PVC insulation sleeve, while carrying out insulation protection, increase the anti-interference function, improve the beneficial effect of the insulation protection mechanism. By the clamping and fixing of limiting ring and the inside of insulation sleeve, and the shock-absorbing spring fixedly installed on limiting ring, the pressure and collision generated outside insulation sleeve are shock-absorbed, avoid extrusion to internal metal wire to make it break, simultaneously, the position of two groups of PVC insulation sleeve is positioned, avoid mutual influence between metal wire, increase the compression resistance of the insulation protection mechanism, simultaneously, prolong the service life of the thermocouple.

[0004] Although the above-mentioned thermocouple insulation protection mechanism can solve the corresponding technical problems, it only shock-absorbs and resists pressure by shock-absorbing spring, however, the spring will appear skew phenomenon after long time use, and the spring will rebound after shock-absorbing, further leading to the oscillation of internal metal wire of insulation sleeve and extrusion, making it break, further reducing shock-absorbing and resisting pressure effect.

[0005] Therefore, a kind of thermocouple wire insulation protection sleeve integration device is proposed. Utility model content

[0006] The utility model aims at providing a kind of thermocouple wire insulation protection sleeve integration device, to solve the problems raised in the above background art.

[0007] In order to achieve the above object, the utility model adopts the main technical scheme including:

[0008] A thermocouple wire insulation protective sleeve integrated device, comprising:

[0009] The protection mechanism is provided with two wires connected with the working end of the thermocouple in the inner cavity, the top of the protection mechanism is provided with a wiring mechanism, and the wires are provided with a compression resistance mechanism between the protection mechanism.

[0010] Among them, the compression resistance mechanism includes a plurality of ceramic sleeves that are arranged on the surface of the wire in a top-down manner, and the two adjacent ceramic sleeves are sequentially contacted in a head-tail manner, the surface of the ceramic sleeve is annularly and equidistantly provided with a plurality of buffer members, the side of the buffer member away from the ceramic sleeve is provided with a support plate, and the support plate is movably connected to the inner cavity of the protection mechanism.

[0011] The buffer member includes a spring and a telescopic member arranged between the ceramic sleeve and the support plate, the two ends of the spring are fixedly connected to the ceramic sleeve and the support plate respectively, and the spring is sleeved on the telescopic member.

[0012] As a preferred technical scheme, the telescopic member includes a sleeve fixedly connected to the surface of the ceramic sleeve, one end of the sleeve away from the ceramic sleeve is movably provided with a movable column, and one end of the movable column is fixedly connected with the support plate.

[0013] As a preferred technical scheme, the end of the movable column away from the support plate is fixedly connected with a disc, the surface of the disc is slidably connected with the inner wall of the sleeve, a plurality of through holes are formed in the disc in an annular and equidistant manner, and the inner cavity of the sleeve is filled with buffer oil.

[0014] As a preferred technical scheme, the side of the disc away from the movable column is fixedly connected with a flow guide block, the flow guide block is in a semispherical structure, and the flow guide block is located between the plurality of through holes.

[0015] As a preferred technical scheme, the sleeve is provided with a through hole for the movable column to pass through, a rubber ring pad is mounted in the through hole, and the inner wall surface of the rubber ring pad is in contact with the surface of the movable column.

[0016] As a preferred technical scheme, the protection mechanism includes a protection sleeve, the bottom end of the protection sleeve is fixedly connected with a threaded adapter, the top of the working end penetrates into the inner cavity of the protection sleeve and is electrically connected with the wire, and the threaded adapter is threadedly sleeved with a first protective sleeve.

[0017] As a preferred technical scheme, the inner wall surface of the protection sleeve is provided with a plurality of grooves, and the support plate is slidably connected in the inner cavity of the groove.

[0018] As a preferred technical scheme, the wiring mechanism comprises a terminal box fixedly connected to the top end of the protective sleeve, the top end of the wire penetrates into the inner cavity of the terminal box and is electrically connected with the terminal post in the inner cavity of the terminal box, one side of the terminal box is communicated with a lead-out sleeve through which a lead-out wire penetrates, and the surface of the lead-out sleeve is threadedly sleeved with a second protective sleeve.

[0019] The utility model at least has following beneficial effects:

[0020] The ceramic sleeve has excellent mechanical properties, thermal stability, insulation, airtightness, moisture resistance and light resistance, can insulate and protect the wires, and avoid mutual influence between the two wires; the spring and the telescopic piece are used in cooperation, can realize double compression resistance measures, improve the damping coefficient, help to improve the compression resistance effect, can guide the spring, make the reverse elastic force generated by the spring when compression always be in the same straight line with the direction of pressure, avoid the spring skew, and further improve the protection effect of the compression resistance mechanism. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a structural schematic view of the utility model thermal couple wire insulation protective sleeve integrated device;

[0022] Figure 2 It is a partial structural schematic view of the utility model thermal couple wire insulation protective sleeve integrated device;

[0023] Figure 3 It is an explosion structural schematic view of the protective sleeve and the compression resistance mechanism of the utility model thermal couple wire insulation protective sleeve integrated device;

[0024] Figure 4 It is a structural cross-sectional view of the buffer piece and the supporting plate of the utility model thermal couple wire insulation protective sleeve integrated device.

[0025] In the drawing: 100, protection mechanism; 110, protective sleeve; 111, groove; 120, threaded adapter; 130, first protective sleeve; 200, working end; 300, wire; 400, wiring mechanism; 410, terminal box; 420, lead-out sleeve; 430, second protective sleeve; 500, compression resistance mechanism; 510, ceramic sleeve; 520, buffer piece; 521, spring; 522, sleeve; 523, movable column; 524, disc; 525, through hole; 526, flow guide block; 527, rubber ring pad; 530, supporting plate. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present utility model.

[0027] Please refer to Figures 1-4 The embodiment of the present utility model provides a kind of thermocouple wire insulation protective sleeve integration device, including protection mechanism 100, the inner cavity of protection mechanism 100 is equipped with two wires 300 connected with thermocouple working end 200, the top of protection mechanism 100 is equipped with wiring mechanism 400, and it is equipped with compression resistance mechanism 500 between wire 300 and protection mechanism 100;Compression resistance mechanism 500 includes a plurality of ceramic sleeve 510 that is up and down set on the surface of wire 300, and the first and last of adjacent two ceramic sleeve 510 sequentially contact, and a plurality of buffer 520 are distributed equidistantly on the surface of ceramic sleeve 510, buffer 520 is equipped with support plate 530 on the side away from ceramic sleeve 510, and support plate 530 is movably connected in the inner cavity of protection mechanism 100;

[0028] Buffer 520 includes spring 521 and telescopic piece between ceramic sleeve 510 and support plate 530, and the two ends of spring 521 are fixedly connected on ceramic sleeve 510 and support plate 530 respectively, and spring 521 is set on telescopic piece.

[0029] Among them, telescopic piece includes sleeve 522 fixedly connected on the surface of ceramic sleeve 510, and one end of sleeve 522 away from ceramic sleeve 510 is movably penetrated and equipped with movable column 523, and one end of movable column 523 is fixedly connected with support plate 530, by the cooperation of sleeve 522 and movable column 523, spring 521 can be guided, so that the reverse elastic force generated when spring 521 is compressed can be always on the same straight line with the direction of pressure, avoid spring 521 skew, and then improve the compression resistance of compression resistance mechanism 500.

[0030] Among them, the end of movable column 523 away from support plate 530 is fixedly connected with disc 524, the surface of disc 524 is slidably connected with the inner wall of sleeve 522, a plurality of annular equidistantly distributed through holes 525 are formed in disc 524, and the inner cavity of sleeve 522 is filled with buffer oil, when disc 524 and through hole 525 are moved in the inner cavity of sleeve 522 by movable column 523, the buffer oil on one side of disc 524 in the inner cavity of sleeve 522 can flow to the other side of disc 524 through through hole 525, i.e. the damping coefficient can be improved, and the buffering effect is improved.

[0031] The side, away from the movable column 523, of the disc 524 is fixedly connected with a flow guide block 526, the flow guide block 526 is in a semi-spherical structure, and the flow guide block 526 is located between the plurality of through holes 525, and the flow guide block 526 facilitates the flow of the buffer oil in the direction of the through holes 525.

[0032] The sleeve 522 is provided with a through hole for the movable column 523 to pass through, and a rubber ring pad 527 is mounted in the through hole, and the inner wall surface of the rubber ring pad 527 is in contact with the surface of the movable column 523, so that the sealing property between the through hole and the movable column 523 is improved, and the leakage of the buffer oil in the sleeve 522 is avoided.

[0033] The protection mechanism 100 includes a protection sleeve 110, the bottom end of the protection sleeve 110 is fixedly connected with a threaded adapter 120, the top of the working end 200 penetrates into the inner cavity of the protection sleeve 110 and is electrically connected with the wire 300, the threaded adapter 120 is threadedly sleeved with a first protective sleeve 130, the first protective sleeve 130 facilitates the protection of the working end 200 when not in use, facilitates carrying, and the threaded adapter 120 facilitates the connection with the first protective sleeve 130 and the fixation of the protection mechanism 100 at a desired position.

[0034] The inner wall surface of the protection sleeve 110 is provided with a plurality of grooves 111, and the support plate 530 is slidingly connected in the inner cavity of the grooves 111, so that the grooves 111 can limit the support plate 530, so as to avoid the rotation of the ceramic sleeve 510 on the surface of the wire 300, and the distortion of the wire 300, which helps to prolong the service life of the wire 300.

[0035] The wiring mechanism 400 includes a wiring box 410 fixedly connected to the top end of the protection sleeve 110, the top end of the wire 300 penetrates into the inner cavity of the wiring box 410 and is electrically connected with the terminal post in the inner cavity of the wiring box 410, one side of the wiring box 410 is communicated with a lead-out wire sleeve 420 for the lead-out wire to pass through, the surface of the lead-out wire sleeve 420 is threadedly sleeved with a second protective sleeve 430, and the second protective sleeve 430 can protect the lead-out wire end in the lead-out wire sleeve 420 when not in use, facilitating carrying.

[0036] It should be noted that the wire 300 is a plurality of metal wires and an insulation protection mechanism in a thermal couple insulation protection mechanism disclosed in the existing publication No. CN218724779U, which is a prior art, and therefore will not be described in detail in this technical solution.

[0037] The working principle of the utility model is: through screwing down first protective sleeve 130 and second protective sleeve 430, insert working end 200 to the required position, threaded adapter 120 is fixed in the corresponding position, when the surface of protection mechanism 100 is collided by external force, will drive groove 111 and support plate 530 synchronous movement, so that support plate 530 drive movable column 523, disc 524, through hole 525 and flow block 526 move in the inner chamber of sleeve 522, spring 521 shrink or stretch under stress, the buffer oil of one side of disc 524 in sleeve 522 flows to the other side of disc 524 through through hole 525, to improve the damping coefficient, further play the role of buffering, to avoid the wire 300 in protective sleeve 110 to produce extrusion and make it break, thereby improved the protection effect of pressure resistance mechanism 500.

[0038] The parts not involved in the utility model are the same as the prior art or can be realized by using the prior art. Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A thermocouple wire insulation protector integrated device, characterized by, Include: The protective mechanism (100), the inner cavity of the protective mechanism (100) is provided with two wires (300) connected with the working end of thermocouple (200), the top of the protective mechanism (100) is provided with wiring mechanism (400), the wire (300) is provided with pressure resistance mechanism (500) between the protective mechanism (100), wherein: The pressure resistance mechanism (500) includes a plurality of ceramic sleeves (510) which are arranged on the surface of the wire (300) in a top-down manner, and the two adjacent ceramic sleeves (510) are sequentially contacted, the surface of the ceramic sleeve (510) is annularly and equidistantly distributed with a plurality of buffer members (520), the side of the buffer member (520) away from the ceramic sleeve (510) is provided with a support plate (530), and the support plate (530) is movably connected to the inner cavity of the protective mechanism (100). The buffer member (520) includes a spring (521) and a telescopic member arranged between the ceramic sleeve (510) and the support plate (530), the two ends of the spring (521) are fixedly connected to the ceramic sleeve (510) and the support plate (530) respectively, and the spring (521) is sleeved on the telescopic member.

2. The integrated thermocouple wire inter insulation protection sheath apparatus of claim 1, wherein: The telescopic member includes a sleeve (522) fixedly connected to the surface of the ceramic sleeve (510), one end of the sleeve (522) away from the ceramic sleeve (510) movably penetrates an active column (523), and one end of the active column (523) is fixedly connected with the support plate (530).

3. The integrated thermocouple wire inter insulation protection sheath apparatus of claim 2, wherein: The end of the active column (523) away from the support plate (530) is fixedly connected with a disc (524), the surface of the disc (524) is slidably connected with the inner wall of the sleeve (522), a plurality of through holes (525) are arranged on the disc (524) in an annular and equidistant manner, and the inner cavity of the sleeve (522) is filled with buffer oil.

4. The integrated thermocouple wire inter insulation protection sleeve apparatus of claim 3, wherein: The side of the disc (524) away from the active column (523) is fixedly connected with a flow guide block (526), the flow guide block (526) is in a semispherical structure, and the flow guide block (526) is located between the plurality of through holes (525).

5. The integrated thermocouple wire inter insulation protection sheath apparatus of claim 2, wherein: A through hole is formed in the sleeve (522) for the active column (523) to pass through, a rubber ring pad (527) is mounted in the through hole, and the inner wall surface of the rubber ring pad (527) is in contact with the surface of the active column (523).

6. The integrated thermocouple wire inter insulation protection sheath apparatus of claim 1, wherein: The protective mechanism (100) includes a protective sleeve (110), the bottom end of the protective sleeve (110) is fixedly connected with a threaded adapter (120), the top of the working end (200) penetrates into the inner cavity of the protective sleeve (110) and is electrically connected with the wire (300), and the threaded adapter (120) is threadedly sleeved with a first protective sleeve (130).

7. The integrated thermocouple wire inter insulation protection sheath apparatus of claim 5, wherein: A plurality of grooves (111) are formed in the inner wall surface of the protective sleeve (110), and the support plate (530) is slidably connected in the inner cavity of the groove (111).

8. The integrated thermocouple wire inter insulation protection sheath apparatus of claim 6, wherein: The wiring mechanism (400) comprises a wiring box (410) fixedly connected to the top end of the protective sleeve (110), the top end of the wire (300) penetrates into the inner cavity of the wiring box (410) and is electrically connected with the wiring post in the inner cavity of the wiring box (410), one side of the wiring box (410) is communicated with an outgoing line sleeve (420) for the outgoing line to pass through, and the surface of the outgoing line sleeve (420) is threadedly sleeved with a second protective sleeve (430).

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