An assembled thermal resistance based on a quick plug-in joint structure

Abstract

The application relates to the technical field of thermal resistances, and discloses an assembled thermal resistance based on a quick plug-in joint structure, which comprises a junction box, the lower end of the junction box is provided with a protection pipe, the junction box and the protection pipe are jointly provided with a quick plug-in mechanism, a buffer damping mechanism is arranged on the inner wall of the protection pipe, and a flange adjusting mechanism is arranged on the outer wall of the protection pipe. The assembled thermal resistance based on the quick plug-in joint structure is manually rotated by 90 degrees, or is reset through reverse operation, the stepped torsion sleeve is pushed upwards and is rotated by 90 degrees along the direction of the arc-shaped guide sliding groove, and then the junction box is pulled upwards, so that the effect that the junction box is quickly plugged in or separated from the protection pipe is achieved; meanwhile, the two arc-shaped limiting plates fix the two arc-shaped plug-in plates in the circumferential direction, and the multiple arc-shaped magnetic attraction plates can slide up and down in the corresponding arc-shaped accommodating grooves respectively, so that the influence of external vibration on the junction box is reduced, and the problem that internal electronic elements are damaged due to long-term vibration is avoided.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of thermal resistance, in particular to an assembled thermal resistance based on a quick plug-in joint structure. BACKGROUND

[0002] In the field of industrial temperature measurement, as a key sensing device, the reliability and maintenance efficiency of the protective sleeve and junction box of the thermal resistance directly affect the stability of the equipment operation. The core structure of the assembled thermal resistance joint is composed of a thermocouple wire, an insulating layer, a protective sleeve and a junction box. The protective sleeve is mainly used to protect the thermocouple from direct interference from the external environment, such as dust, corrosion, vibration, etc., to ensure its stable and accurate operation.

[0003] In the conventional assembled thermal resistance, the protective tube and the junction box are mostly connected by threads. In actual use, due to external mechanical vibration, the rigid joint directly transmits the vibration to the junction box. After long-term operation of the assembled thermal resistance, the threaded structure is damaged due to vibration. When replacing the junction box, it needs to be manually screwed to disassemble, which is time-consuming and laborious. Moreover, the external mechanical vibration is also directly transmitted to the hot electrode through the rigid joint, which can aggravate material fatigue. There is no vibration buffer for the internal hot electrode of the assembled thermal resistance, and long-term use can also cause hot electrode fracture or signal drift. SUMMARY

[0004] In view of the above-mentioned shortcomings of the prior art, the present application provides an assembled thermal resistance based on a quick plug-in joint structure, which can effectively solve the problems that in the prior art, the protective tube and the junction box are mostly connected by threads, and after the threaded structure is damaged due to vibration, the junction box is manually screwed to disassemble, which is time-consuming and laborious. Moreover, the external mechanical vibration is also directly transmitted to the hot electrode through the rigid joint, which can aggravate material fatigue, and long-term use can also cause hot electrode fracture or signal drift.

[0005] To achieve the above purpose, the present application is realized by the following technical scheme:

[0006] The present application provides an assembled thermal resistance based on a quick plug-in joint structure, which comprises:

[0007] The junction box is provided with a protective tube at the lower end, and the junction box and the protective tube are provided with a quick plug-in mechanism thereon. The inner wall of the protective tube is provided with a buffer and vibration reduction mechanism, and the outer wall of the protective tube is provided with a flange adjustment mechanism.

[0008] The quick plug-in mechanism comprises a circular groove formed in the middle of the lower end of the terminal box, an annular butt joint groove formed outside the circular groove, a butt joint portion arranged on the annular butt joint groove, an insertion portion arranged on the protection pipe corresponding to the butt joint portion, an adjusting sliding groove formed on the outer wall of the terminal box, and a rotating cooperation portion arranged on the terminal box corresponding to the adjusting sliding groove.

[0009] The buffer damping mechanism comprises two mounting grooves symmetrically formed on the inner wall of the protection pipe, and a buffer portion arranged in the two mounting grooves.

[0010] Further, the flange adjusting mechanism comprises an annular sleeve plate threadedly connected to the outer wall of the protection pipe through a threaded segment, a flange fixedly sleeved on the outer wall of the annular sleeve plate, an annular support plate one mounted on the upper end of the annular sleeve plate, a plurality of arc-shaped clamping plates symmetrically and evenly distributed on the inner side of the annular support plate one, the arc-shaped clamping plates being connected to the inner wall of the annular support plate one through a plurality of compression springs, the outer wall of the arc-shaped clamping plate being provided with a beveled convex structure at the upper end and a threaded structure at the inner wall, and a position adjusting portion arranged on the annular sleeve plate.

[0011] Further, the butt joint portion comprises an annular magnet installed through the inner wall of the upper end of the circular groove, arc-shaped grooves symmetrically formed on the annular inner wall of the annular butt joint groove, arc-shaped limiting plates slidably connected in the arc-shaped grooves through compression springs, a wedge-shaped structure at the lower end of the arc-shaped limiting plate, an alignment guide groove formed at the middle position of the arc-shaped limiting plate, and friction sliding rods symmetrically mounted on the arc-shaped outer wall of the arc-shaped limiting plate and slidably penetrating the outer wall of the terminal box, and a roller rotatably installed at the middle of the end of the friction sliding rod away from the arc-shaped limiting plate.

[0012] Further, the butt joint portion further comprises arc-shaped clamping plates symmetrically mounted on the annular inner wall of the annular butt joint groove, arc-shaped accommodating grooves formed at the upper end and the lower end of the arc-shaped clamping plate, and arc-shaped magnetic attraction plates symmetrically arranged in the two arc-shaped accommodating grooves.

[0013] Further, the rotating cooperation portion comprises a stepped torsion sleeve movably sleeved on the outer wall of the terminal box, magnetic attraction clamping plates symmetrically mounted on the inner wall of the upper end of the stepped torsion sleeve, the two magnetic attraction clamping plates being movably attached to the inner walls of the corresponding communication sliding grooves, an annular sliding groove formed on the inner wall of the stepped torsion sleeve, arc-shaped locking plates symmetrically mounted on the annular inner wall of the annular sliding groove at the upper end, and arc-shaped guide sliding grooves formed at the bottom end of the annular sliding groove corresponding to the positions of the plurality of friction sliding rods.

[0014] Further, the buffer part comprises two U-shaped support frames commonly installed on the inner walls of the two mounting grooves, a tapered through hole is formed in the middle of the horizontal section of the U-shaped support frame, and a buffer group is symmetrically arranged on the inner walls of the front and rear ends of the U-shaped support frame, the buffer group comprises a strip-shaped plate commonly fixedly connected to the inner walls of the U-shaped support frame through a plurality of telescopic sleeves and a plurality of compression springs, a plurality of clamping buffer plates are uniformly installed on the end of the strip-shaped plate away from the inner walls of the U-shaped support frame from top to bottom, an extension plate is installed on the inner walls of the U-shaped support frame, an L-shaped extrusion plate is slidably connected to the upper end of the extension plate through a compression spring, and the upper ends of the strip-shaped plate and the L-shaped extrusion plate are respectively wedge-shaped structures.

[0015] Further, the position adjusting part comprises a plurality of arc-shaped clamping plates, and a pushing sleeve plate movably sleeved on the outer walls of the arc-shaped clamping plates, the cross section of the pushing sleeve plate is L-shaped, the upper end of the pushing sleeve plate is a wedge-shaped structure, a second annular support plate is installed on the upper end of the annular sleeve plate, the outer walls of the pushing sleeve plates are movably attached to the inner walls of the second annular support plate, a rotating sliding hole is symmetrically formed on the outer walls of the second annular support plate, the rotating sliding hole is composed of an arc-shaped sliding hole and a containing sliding hole, a limiting sliding rod is symmetrically installed on the outer walls of the pushing sleeve plates, and the front and rear limiting sliding rods are respectively slidably connected to the inner walls of the corresponding rotating sliding holes.

[0016] Further, the insertion part comprises an installation plate fixedly sleeved on the outer walls of the protection pipe, arc-shaped insertion plates with a U-shaped cross section are symmetrically installed on the upper end of the installation plate, the upper end of the arc-shaped insertion plate is a wedge-shaped structure, and an arc-shaped alignment plate is installed at the middle position of the arc-shaped insertion plate.

[0017] Compared with the prior art, the technical scheme provided by the present application has the following beneficial effects:

[0018] The present application is provided with a quick plug-in mechanism and a buffer damping mechanism, the upper end of the protection pipe is inserted into the circular groove by artificial, the junction box is rotated by 90 degrees manually, the effect of quick plug-in of the junction box and the protection pipe is realized, at the same time, the front and rear arc-shaped limiting plates play a circumferential fixing role on the two arc-shaped insertion plates, when external mechanical vibration is directly transmitted to the junction box through the protection pipe, the two arc-shaped insertion plates will drive the corresponding plurality of arc-shaped magnetic plates to slide up and down in the corresponding arc-shaped accommodating grooves respectively, so as to realize the effect of reducing the influence of external vibration on the junction box, and avoid the problem that the internal electronic elements are damaged due to long-term vibration, the ladder-shaped torsion sleeve is first rotated by 90 degrees and then pushed upward for resetting by artificial, then the ladder-shaped torsion sleeve is pushed upward and then rotated by 90 degrees along the direction of the arc-shaped guide sliding groove, finally the junction box is pulled upward, so as to realize the effect of quick disconnection of the junction box and the protection pipe. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to make the technical solutions in the embodiments of the present application or the prior art clearer, the accompanying drawings needed in the embodiments or prior art description will be briefly introduced. Obviously, the accompanying drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative effort based on these drawings.

[0020] Figure 1 The structure schematic diagram of the embodiment of the present application is shown in the figure.

[0021] Figure 2 The structure schematic diagram of the embodiment of the present application is shown in the figure.

[0022] Figure 3 The structure schematic diagram of the embodiment of the present application is shown in the figure.

[0023] Figure 4 The structure schematic diagram of the embodiment of the present application is shown in the figure.

[0024] Figure 5 The structure schematic diagram of the embodiment of the present application is shown in the figure.

[0025] Figure 6 The structure schematic diagram of the embodiment of the present application is shown in the figure.

[0026] Figure 7 The structure schematic diagram of the embodiment of the present application is shown in the figure.

[0027] Figure 8 The structure schematic diagram of the embodiment of the present application is shown in the figure.

[0028] Figure 9 The structure schematic diagram of the embodiment of the present application is shown in the figure.

[0029] The labels in the figure respectively represent: 1, junction box; 2, protective tube; 3, quick plug-pull mechanism; 31, butt joint part; 311, ring-shaped magnet; 312, arc-shaped limiting plate; 313, abutting sliding rod; 314, roller; 315, arc-shaped clamping plate; 316, arc-shaped magnetic clamping plate; 32, insertion part; 321, mounting plate; 322, arc-shaped insertion plate; 33, adjusting sliding groove; 34, rotating matching part; 341, stepped torsion sleeve; 342, magnetic clamping plate; 343, arc-shaped abutting plate; 344, arc-shaped guiding sliding groove; 4, buffer damping mechanism; 41, mounting groove; 42, buffer part; 421, U-shaped support frame; 422, strip-shaped plate; 423, clamping buffer plate; 424, extension plate; 425, L-shaped extrusion plate; 5, flange adjusting mechanism; 51, ring-shaped sleeve plate; 52, ring-shaped support plate I; 53, arc-shaped locking plate; 54, position adjusting part; 541, abutting sleeve plate; 542, ring-shaped support plate II; 543, rotating sliding hole; 544, limiting sliding rod. DETAILED DESCRIPTION

[0030] To make the objectives, technical solutions, and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some but not all of the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0031] The present application will be further described below with reference to the embodiments.

[0032] Embodiment:

[0033] Please refer to Figures 1-9 The present application provides a technical solution: an assembled thermal resistance based on a quick plug-pull joint structure, comprising:

[0034] The junction box 1 is provided with the protective tube 2 at the lower end, and the junction box 1 and the protective tube 2 are jointly provided with the quick plug-pull mechanism 3, the buffer damping mechanism 4 is arranged on the inner wall of the protective tube 2, and the flange adjusting mechanism 5 is arranged on the outer wall of the protective tube 2;

[0035] The quick plug-pull mechanism 3 comprises a circular groove formed in the middle of the lower end of the junction box 1, an annular butt joint groove is formed on the outer side of the lower end of the junction box 1, the butt joint part 31 is arranged on the annular butt joint groove, the insertion part 32 is arranged on the protective tube 2 at a position corresponding to the butt joint part 31, the adjusting sliding groove 33 is formed on the outer wall of the junction box 1, the adjusting sliding groove 33 is composed of an annular sliding groove, a plurality of communicating sliding grooves distributed uniformly in a circle, and two arc-shaped sliding grooves, and the rotating matching part 34 is arranged on the junction box 1 at a position corresponding to the adjusting sliding groove 33;

[0036] The buffering damping mechanism 4 comprises mounting grooves 41 symmetrically arranged on the inner wall of the protection tube 2, and a buffering part 42 is arranged in the two mounting grooves 41.

[0037] The flange adjusting mechanism 5 comprises an annular sleeve plate 51 threadedly connected to the outer wall of the protection tube 2, a flange is fixedly arranged on the outer wall of the annular sleeve plate 51, an annular support plate one 52 is arranged on the upper end of the annular sleeve plate 51, a plurality of arc-shaped locking plates 53 are arranged on the inner side of the annular support plate one 52 and are uniformly distributed in a circle, the arc-shaped locking plates 53 are connected to the inner wall of the annular support plate one 52 through a plurality of compression springs, the outer wall of the arc-shaped locking plate 53 is provided with a beveled convex structure on the upper end, and the inner wall is provided with a threaded structure, and a position adjusting part 54 is arranged on the annular sleeve plate 51.

[0038] The butt joint part 31 comprises an annular magnet 311 arranged on the inner wall of the upper end of the circular groove, arc-shaped grooves are symmetrically arranged on the annular inner wall of the annular butt joint groove, arc-shaped limiting plates 312 are slidably connected in the arc-shaped grooves through compression springs, the lower end of the arc-shaped limiting plate 312 is provided with a wedge-shaped structure, and a positioning guide groove is arranged at the middle position, arc-shaped limiting plates 312 are symmetrically arranged on the arc-shaped outer wall of the arc-shaped limiting plate 312, and the arc-shaped limiting plates 312 are symmetrically arranged on the arc-shaped outer wall of the arc-shaped limiting plate 312, and the arc-shaped limiting plates 312 are symmetrically arranged on the arc-shaped outer wall of the arc-shaped limiting plate 312.

[0039] The butt joint part 31 further comprises arc-shaped clamping plates 315 symmetrically arranged on the annular inner wall of the annular butt joint groove, arc-shaped accommodating grooves are arranged on the upper and lower ends of the arc-shaped clamping plates 315, arc-shaped magnetic attraction plates 316 are symmetrically arranged in the two arc-shaped accommodating grooves, and the two arc-shaped magnetic attraction plates 316 are arranged to be magnetically repulsive.

[0040] The rotating matching part 34 comprises a stepped torsion sleeve 341 movably sleeved on the outer wall of the junction box 1, magnetic attraction clamping plates 342 are symmetrically arranged on the inner wall of the stepped torsion sleeve 341, the two magnetic attraction clamping plates 342 are movably attached to the inner walls of the corresponding communication sliding grooves, an annular sliding groove is arranged on the inner wall of the stepped torsion sleeve 341, arc-shaped abutting plates 343 are symmetrically arranged on the annular inner wall of the annular sliding groove, and arc-shaped guide sliding grooves 344 are arranged on the bottom end of the annular sliding groove corresponding to the positions of the plurality of abutting sliding rods 313.

[0041] The buffer part 42 comprises a U-shaped support frame 421 commonly mounted on the inner walls of the two mounting grooves 41 in front and back, a tapered through hole is formed in the middle of the horizontal section of the U-shaped support frame 421, and buffer groups are symmetrically arranged on the inner walls of the front and rear ends of the U-shaped support frame 421; each buffer group comprises a strip-shaped plate 422 commonly fixedly connected on the inner wall of the U-shaped support frame 421 through a plurality of telescopic sleeves and a plurality of compression springs, a plurality of clamping buffer plates 423 are uniformly mounted on the end of the strip-shaped plate 422 away from the inner wall of the U-shaped support frame 421 from top to bottom, an extension plate 424 is mounted on the inner wall of the U-shaped support frame 421, an L-shaped extrusion plate 425 is slidably connected to the upper end of the extension plate 424 through a compression spring, and the upper ends of the strip-shaped plate 422 and the L-shaped extrusion plate 425 are respectively wedge-shaped structures facing each other.

[0042] The position adjusting part 54 comprises a plurality of push-pushing sleeve plates 541 movably sleeved on the outer walls of the arc-shaped locking plates 53, the cross section of the push-pushing sleeve plate 541 is L-shaped, the upper end of the push-pushing sleeve plate 541 is a wedge-shaped structure, a ring-shaped support plate two 542 is mounted on the upper end of the annular sleeve plate 51, the outer wall of the push-pushing sleeve plate 541 is movably attached to the inner wall of the ring-shaped support plate two 542, a rotating sliding hole 543 is symmetrically formed on the outer wall of the ring-shaped support plate two 542, the rotating sliding hole 543 is composed of an arc-shaped sliding hole and a containing sliding hole, a limiting sliding rod 544 is symmetrically mounted on the outer wall of the push-pushing sleeve plate 541, and the front and rear limiting sliding rods 544 are respectively slidably connected to the inner walls of the corresponding rotating sliding holes 543.

[0043] The insertion part 32 comprises a mounting plate 321 fixedly sleeved on the outer wall of the protection tube 2, arc-shaped insertion plates 322 with a U-shaped cross section are symmetrically mounted on the upper end of the mounting plate 321, the upper end of the arc-shaped insertion plate 322 is a wedge-shaped structure, and an arc-shaped alignment plate is mounted at the middle position.

[0044] Reference Figures 1-9 The traditional protection tube 2 and the junction box 1 are mostly connected through threads, and after the threaded structure is damaged due to vibration, the junction box 1 is manually screwed to disassemble, which is time-consuming and laborious; and external mechanical vibration is also directly transmitted to the thermoelectric electrode through the rigid joint, which can aggravate material fatigue, and long-term use can also cause the thermoelectric electrode to break or the signal to drift, and therefore, the application designs an assembled thermal resistance based on a quick plug-in joint structure.

[0045] In order to overcome the above-mentioned defects, the application designs an assembled thermal resistance based on a quick plug-in joint structure.

[0046] Firstly, the junction box 1 and the protection tube 2 in the application adopt a quick plug structure. When the junction box 1 and the protection tube 2 need to be connected, the protection tube 2 is manually taken to move to the circular groove at the bottom end of the junction box 1. First, the two arc-shaped insertion plates 322 on the protection tube 2 are inserted into the annular butt joint groove, and the protection tube 2 is slowly rotated until the arc-shaped alignment plates on the two arc-shaped insertion plates 322 correspond to the alignment guide grooves, respectively. Then, the upper end of the protection tube 2 is manually inserted into the circular groove. During this period, the two arc-shaped insertion plates 322 on the protection tube 2 will respectively extrude the corresponding arc-shaped limiting plates 312 and make them retreat into the corresponding arc-shaped grooves. Then, the junction box 1 is manually rotated by 90 degrees. During this period, the two arc-shaped insertion plates 322 on the protection tube 2 will extrude the corresponding arc-shaped magnetic attraction plates 316, so that they retreat into the corresponding arc-shaped accommodation grooves. After the front and rear arc-shaped limiting plates 312 are reset under the action of the compression spring, the plurality of arc-shaped magnetic attraction plates 316 will extend out of the corresponding arc-shaped accommodation grooves and be magnetically attracted to the corresponding arc-shaped insertion plates 322 under the action of magnetic repulsion.

[0047] Then, the ladder-shaped twist sleeve 341 is pressed downward and continuously rotated by 90 degrees by hand. During this period, the ladder-shaped twist sleeve 341 will drive the two magnetic attraction clamping plates 342 to move downward along the corresponding communication sliding grooves and rotate by 90 degrees along the corresponding arc-shaped sliding grooves. At this time, the positions of the front and rear arc-shaped limiting plates 312 will correspond to the positions of the plurality of abutting sliding rods 313, respectively, and further limit them, thereby completing the insertion and butt joint of the junction box 1 and the protection tube 2. It should be noted that the magnetic attraction clamping plates 342 on the ladder-shaped twist sleeve 341 are initially magnetically attracted to the inner walls of the corresponding communication sliding grooves and are located at the upper positions of the plurality of abutting sliding rods 313. They do not contact and limit the plurality of abutting sliding rods 313. In addition, the upper and lower arc-shaped magnetic attraction plates 316 are initially away from each other under the action of magnetic repulsion.

[0048] In addition, during the connection of the junction box 1 and the protection tube 2, the plurality of clamping and buffering plates 423 on the front and rear sides are initially in a state of being away from each other. The hot electrode at the lower end of the junction box 1 is inserted into the protection tube 2. After the junction box 1 and the protection tube 2 are completely inserted and butt jointed, the tail end of the hot electrode will pass through the conical through hole of the U-shaped support frame 421. Under the magnetic attraction of the annular magnet 311, the front and rear L-shaped extrusion plates 425 move upward until they are tightly attached to the annular magnet 311. At this time, the front and rear L-shaped extrusion plates 425 lose the downward extrusion force of the front and rear L-shaped extrusion plates 425, and the front and rear L-shaped extrusion plates 425 will respectively drive the corresponding plurality of clamping and buffering plates 423 to move closer to each other and clamp the hot electrode together to protect it.

[0049] When the assembled thermocouple needs to be installed through the protection tube 2 and the insertion depth of the protection tube 2 needs to be adjusted, the pushing sleeve plate 541 is first manually unlocked by rotating 90 degrees along the rotating sliding hole 543, then the pushing sleeve plate 541 is pressed downward to drive the corresponding two limiting sliding rods 544 to move downward synchronously until the two limiting sliding rods 544 are located in the corresponding accommodating sliding holes for limiting, at this time, under the action of the compression spring, the plurality of arc-shaped locking plates 53 will be away from the threaded section on the outer wall of the protection tube 2 to be unlocked, so that the flange can be freely rotated to drive the annular sleeve plate 51 to move upward or downward along the threaded section on the outer wall of the protection tube 2, when the flange position is adjusted to the appropriate position, the pushing sleeve plate 541 is pushed upward again, and the pushing sleeve plate 541 is rotated 90 degrees along the rotating sliding hole 543 to restore to the original position, at this time, under the extrusion action of the pushing sleeve plate 541, the plurality of arc-shaped locking plates 53 will be locked again on the threaded section on the outer wall of the protection tube 2, thereby realizing the effect of short-distance adjustment of the insertion depth when the protection tube 2 is installed.

[0050] When the assembled thermocouple needs to be installed through the protection tube 2 and the insertion depth of the protection tube 2 needs to be adjusted, the pushing sleeve plate 541 is first manually unlocked by rotating 90 degrees along the rotating sliding hole 543, then the pushing sleeve plate 541 is pressed downward to drive the corresponding two limiting sliding rods 544 to move downward synchronously until the two limiting sliding rods 544 are located in the corresponding accommodating sliding holes for limiting, at this time, under the action of the compression spring, the plurality of arc-shaped locking plates 53 will be away from the threaded section on the outer wall of the protection tube 2 to be unlocked, so that the flange can be freely rotated to drive the annular sleeve plate 51 to move upward or downward along the threaded section on the outer wall of the protection tube 2, when the flange position is adjusted to the appropriate position, the pushing sleeve plate 541 is pushed upward again, and the pushing sleeve plate 541 is rotated 90 degrees along the rotating sliding hole 543 to restore to the original position, at this time, under the extrusion action of the pushing sleeve plate 541, the plurality of arc-shaped locking plates 53 will be locked again on the threaded section on the outer wall of the protection tube 2, thereby realizing the effect of short-distance adjustment of the insertion depth when the protection tube 2 is installed.

[0051] In summary, the present application has the following advantages:

[0052] Advantage one, the junction box 1 and the protection tube 2 in the application adopt a quick plug structure, two arc-shaped insertion plates 322 on the protection tube 2 are first inserted into the annular butt joint groove, and the protection tube 2 is slowly rotated, wherein the arc-shaped alignment plates correspond to the alignment guide grooves, and then the upper end of the protection tube 2 is manually inserted into the circular groove, during which the two arc-shaped insertion plates 322 on the protection tube 2 will respectively extrude the corresponding arc-shaped limiting plates 312 and make them respectively retreat into the corresponding arc-shaped grooves, then the junction box 1 is manually rotated by 90 degrees, during which the two arc-shaped insertion plates 322 on the protection tube 2 will extrude the corresponding arc-shaped magnetic attraction plates 316, so that they retreat into the corresponding arc-shaped accommodation grooves, and after the front and rear arc-shaped limiting plates 312 are reset under the action of the compression spring, the plurality of arc-shaped magnetic attraction plates 316 will extend out of the corresponding arc-shaped accommodation grooves and be magnetically attracted to the corresponding arc-shaped insertion plates 322 under the action of magnetic repulsion, thereby realizing the effect of quick plugging of the junction box 1 and the protection tube 2.

[0053] Advantage two, at the same time, the front and rear arc-shaped limiting plates 312 will fix the two arc-shaped insertion plates 322 in the circumferential direction, and the plurality of arc-shaped magnetic attraction plates 316 will be magnetically attracted to the corresponding arc-shaped insertion plates 322 under the action of magnetic repulsion, so that when external mechanical vibration is directly transmitted to the junction box 1 through the protection tube 2, the two arc-shaped insertion plates 322 will actuate the corresponding plurality of arc-shaped magnetic attraction plates 316 to slide up and down in the corresponding arc-shaped accommodation grooves, thereby reducing the influence of external vibration on the junction box 1 and avoiding the problem of damage to internal electronic components caused by long-term vibration.

[0054] Advantage three, the plurality of clamping buffer plates 423 on the front and rear sides are initially in a state of moving away from each other, facilitating the insertion of the hot electrode at the lower end of the junction box 1 into the protection tube 2, and when the junction box 1 and the protection tube 2 are inserted and butt-jointed, the tail end of the hot electrode will pass through the conical through hole of the U-shaped support frame 421, and under the magnetic attraction of the annular magnet 311, the front and rear two strip-shaped plates 422 will lose the downward extrusion force of the front and rear two L-shaped extrusion plates 425, and will drive the corresponding plurality of clamping buffer plates 423 to move close to each other and clamp the hot electrode together, thereby realizing the effect of buffering and protecting the hot electrode, effectively avoiding the direct transmission of external mechanical vibration to the hot electrode through the rigid joint, which will exacerbate material fatigue and cause the hot electrode to break or the signal to drift over a long period of use.

[0055] Advantage four, when replacing the junction box 1, the ladder-shaped twist sleeve 341 is first manually rotated 90 degrees and then pushed upward to reset, and then the ladder-shaped twist sleeve 341 is pushed upward and continuously rotated 90 degrees along the arc-shaped guide sliding groove 344, at this time, the positions of the plurality of abutting sliding rods 313 will correspond to the positions of the lower side of the inner wall of the annular sliding groove, and under the cooperation of the plurality of arc-shaped guide sliding grooves 344 and the corresponding rollers 314, the plurality of rollers 314 will drive the corresponding abutting sliding rods 313 to move outward of the junction box 1 simultaneously, at this time, the two arc-shaped insertion plates 322 will lose the limiting of the adjacent arc-shaped limiting plates 312, and then the junction box 1 can be driven by the ladder-shaped twist sleeve 341 to rotate 90 degrees in the same direction, and the two arc-shaped clamping plates 315 are synchronously rotated 90 degrees by the junction box 1, and finally the junction box 1 is pulled upward, so as to realize the effect of quickly disconnecting the junction box 1 from the protective tube 2.

[0056] Advantage five, when the insertion depth of the protective tube 2 needs to be adjusted, the push-in sleeve plate 541 is first manually rotated 90 degrees along the rotating sliding hole 543 to be unlocked, and then the push-in sleeve plate 541 is pressed downward to drive the corresponding two limiting sliding rods 544 to move downward synchronously until the two limiting sliding rods 544 are located in the corresponding accommodating sliding holes for limiting, at this time, under the action of the compression spring, the plurality of arc-shaped locking plates 53 will be away from the threaded section on the outer wall of the protective tube 2 to be unlocked, and the flange can be freely rotated to drive the annular sleeve plate 51 to move upward or downward along the threaded section on the outer wall of the protective tube 2, when the position of the flange is adjusted to a suitable position, the push-in sleeve plate 541 is pushed upward again, and the push-in sleeve plate 541 is rotated 90 degrees along the rotating sliding hole 543 to restore to the original position, at this time, under the extrusion action of the push-in sleeve plate 541, the plurality of arc-shaped locking plates 53 will be locked to the threaded section on the outer wall of the protective tube 2 again, so as to realize the effect of quickly and short-distance adjusting the installation insertion depth of the protective tube 2.

[0057] The above embodiments are only used to illustrate the technical solutions of the present application, but not limit it; although the foregoing embodiments of the present application have been described in detail, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced by equivalents; and these modifications or replacements will not make the essence of the corresponding technical solutions deviate from the protection scope of the technical solutions of the embodiments of the present application.

Claims

1. An assembled thermal resistance based on a quick- plug joint structure, characterized by, The utility model relates to a kind of protection tube and junction box, including: Junction box (1), the lower end of junction box (1) is provided with protection tube (2), junction box (1) and protection tube (2) are provided with quick plug-pull mechanism (3) on common, buffer damping mechanism (4) is provided on the inner wall of protection tube (2), flange adjusting mechanism (5) is provided on the outer wall of protection tube (2); Wherein, the quick plug-pull mechanism (3) includes the circular slot of the lower end middle part of junction box (1), the annular butt joint groove of the lower end of junction box (1) is opened in the outside of circular slot, butt joint (31) is provided on annular butt joint groove, insertion part (32) is provided on the position of protection tube (2) corresponding butt joint (31), adjusting sliding slot (33) is opened in the outer wall of junction box (1), adjusting sliding slot (33) is composed of annular sliding slot, multiple communication sliding slots evenly distributed in circumference and two arc sliding slots, rotating cooperation part (34) is provided on the position of junction box (1) corresponding adjusting sliding slot (33); Wherein, the buffer damping mechanism (4) includes the mounting groove (41) of the inner wall of protection tube (2) and symmetrically opened before and after, buffer part (42) is commonly provided in the two mounting grooves (41) before and after; Wherein, the flange adjusting mechanism (5) includes the annular sleeve plate (51) of the outer wall of protection tube (2) and symmetrically opened before and after, annular sleeve plate (51) is fixedly provided with flange on the outer wall, annular support plate one (52) is installed on the upper end of annular sleeve plate (51), a plurality of arc locking plates (53) are provided on the inner side of annular support plate one (52) and evenly distributed in circumference, arc locking plate (53) is commonly connected to the inner wall of annular support plate one (52) on the outer wall by multiple compression springs, and the outer wall end of arc locking plate (53) is inclined convex structure, and the inner wall is screw structure, position adjusting part (54) is provided on annular sleeve plate (51); Wherein, the rotating cooperation part (34) includes the stepped torsion sleeve (341) of the outer wall of junction box (1) and movably sleeved, the magnetic attraction clamping plate (342) is installed on the inner wall upper end of stepped torsion sleeve (341) and symmetrically left and right, two magnetic attraction clamping plates (342) are respectively movably attached to the inner wall of corresponding communication sliding slot, annular sliding slot is opened in the inner wall of stepped torsion sleeve (341), arc abutment plate (343) is installed on the annular inner wall upper end of annular sliding slot and symmetrically before and after, arc guide sliding slot (344) is opened in the position of annular sliding slot bottom corresponding multiple abutment sliding rods (313); Wherein, the buffer part (42) includes the H-shaped support frame (421) commonly installed in the inner wall of two mounting grooves (41) before and after, the horizontal section middle part of H-shaped support frame (421) is opened with tapered through-hole, buffer group is symmetrically provided on the inner wall of H-shaped support frame (421) front and back two ends.

2. An assembled thermal resistance based on a quick- plug joint structure according to claim 1, characterized in that: The butt joint part (31) comprises a ring-shaped magnet (311) installed through the upper end inner wall of the circular slot, arc-shaped slots symmetrically arranged on the inner wall of the ring-shaped butt joint slot, an arc-shaped limiting plate (312) slidably connected in the arc-shaped slot through a compression spring, a wedge-shaped structure at the lower end of the arc-shaped limiting plate (312) and a positioning guide slot arranged at the middle position of the arc-shaped limiting plate (312), and touch slide rods (313) symmetrically installed on the outer wall of the arc-shaped limiting plate (312) and slidably penetrating through the outer wall of the junction box (1), wherein a roller (314) is rotatably installed at the middle of the end of the touch slide rod (313) away from the arc-shaped limiting plate (312).

3. An assembled thermal resistance based on a quick- plug joint structure according to claim 2, characterized in that: The butt joint part (31) further comprises arc-shaped clamping plates (315) symmetrically installed on the inner wall of the ring-shaped butt joint slot, arc-shaped accommodating slots arranged at the upper end and the lower end of the arc-shaped clamping plate (315), and arc-shaped magnetic attraction plates (316) symmetrically arranged in the two arc-shaped accommodating slots, wherein the two arc-shaped magnetic attraction plates (316) are arranged to repel each other magnetically.

4. The assembled thermal resistance based on the quick plug-in joint structure according to claim 1, characterized in that: The buffer group comprises a strip-shaped plate (422) fixedly connected to the inner wall of the shaped support frame (421) through a plurality of telescopic sleeves and a plurality of compression springs, a plurality of clamping buffer plates (423) uniformly installed on the end of the strip-shaped plate (422) away from the inner wall of the shaped support frame (421) from top to bottom, an extension plate (424) installed on the inner wall of the shaped support frame (421), an L-shaped extrusion plate (425) slidably connected to the upper end of the extension plate (424) through a compression spring, and the upper end of the strip-shaped plate (422) and the vertical section of the L-shaped extrusion plate (425) are wedge-shaped structures respectively.

5. An assembled thermal resistance based on a quick- plug joint structure according to claim 1, characterized in that: The position adjusting part (54) comprises a push sleeve plate (541) movably sleeved on the outer wall of the arc-shaped locking plate (53), the push sleeve plate (541) has an L-shaped cross section and a wedge-shaped structure at the upper end, a ring-shaped support plate two (542) installed on the upper end of the ring-shaped sleeve plate (51), the outer wall of the push sleeve plate (541) movably attached to the inner wall of the ring-shaped support plate two (542), rotation sliding holes (543) symmetrically arranged on the outer wall of the ring-shaped support plate two (542), the rotation sliding holes (543) composed of arc-shaped sliding holes and accommodating sliding holes, and limiting slide rods (544) symmetrically installed on the outer wall of the push sleeve plate (541), the two limiting slide rods (544) slidably connected to the inner walls of the corresponding rotation sliding holes (543).

6. An assembled thermal resistance based on a quick- plug joint structure according to claim 1, characterized in that: The insertion part (32) comprises a mounting plate (321) fixedly sleeved on the outer wall of the protection tube (2), arc-shaped insertion plates (322) with a shaped cross-section symmetrically installed on the upper end of the mounting plate (321), a wedge-shaped structure at the upper end of the arc-shaped insertion plate (322), and an arc-shaped positioning plate installed at the middle position of the arc-shaped insertion plate (322).

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