CN218330323U - Precision armored thermal resistor - Google Patents

Abstract

The utility model discloses a precision armored thermal resistor, which relates to the technical field of armored thermal resistors and solves the technical problems that at present, because a hand wheel is not provided with a limit device for limiting a rotating shaft, a reel and an armored lead wire arranged on the surface of the hand wheel drop under the natural gravity of a temperature measuring mechanism, the temperature measuring mechanism cannot enter the device, and the service life of the temperature measuring mechanism is influenced; the wire harness protection device comprises a junction box, wherein a fixed pipe is fixedly arranged at the bottom end of the junction box, a fixed box is fixedly arranged at the bottom end of the fixed pipe, a protection pipe is fixedly arranged at the bottom end of the fixed box, a rotating rod is rotatably connected inside the fixed box, a reel is fixedly arranged in the middle of the rotating rod, and an armor lead is wound on the surface of the reel; the utility model discloses it is spacing to have the hand wheel of being convenient for to setting and reel for the hot resistance working head is received to the inside of protecting tube, and further plays the effect of protection to the hot resistance working head, improves life.

Description

Precision armored thermal resistor

Technical Field

The utility model relates to an armor thermal resistance technical field especially relates to an accurate type armor thermal resistance.

Background

The precision sheathed thermal resistor is a temperature sensor that measures temperature by using the characteristic that when a substance changes in temperature, the resistance of the substance also changes. When the resistance value changes, the working instrument displays the temperature value corresponding to the resistance value. The resistor is smaller than an assembled platinum resistor in diameter, is easy to bend, and is suitable for being installed in special occasions such as narrow pipelines and the requirement of quick response, miniaturization and the like;

according to the armored thermal resistor provided by Chinese patent authorization publication No. CN202120229132.7, the armored lead pulls the thermal resistor working head to move up and down through the retraction of the armored lead, so that the temperature of the equipment at different depths can be measured, the retraction operation of the side of the measuring end can be realized, the temperature of the equipment to be measured at different depth areas can be conveniently measured, and an operator can conveniently know the specific condition inside the equipment; but the pivot rotates to be connected in the inside of installing the lantern ring, because the reel department does not set up the spacing setting that carries on spacingly to the pivot, the reel and the armor lead wire that its surface set up drop under temperature measurement mechanism's natural gravity for temperature measurement mechanism can't get into the inside of device, influences its life.

SUMMERY OF THE UTILITY MODEL

The utility model provides an accurate type armor thermal resistance has solved because hand wheel department does not set up the countershaft and carries out spacing setting, and the reel and the armor lead wire of its surface setting drop under temperature measurement mechanism's natural gravity for the unable access to equipment's of temperature measurement mechanism inside influences its life's technical problem.

For solving the technical problem, the utility model provides a pair of accurate type armor thermal resistance, the terminal box comprises a junction box, the bottom fixed mounting of terminal box has the fixed pipe, the bottom fixed mounting of fixed pipe has the fixed box, the bottom fixed mounting of fixed box has the protective tube, the inside rotation of fixed box is connected with the bull stick, the middle part fixed mounting of bull stick has the reel, the surface winding of reel has the armor lead wire, the one end of bull stick is passed fixed box and the hand wheel fixed connection who sets up with the fixed box outside, the bottom fixed mounting of armor lead wire has the thermal resistance working head, the top of fixed box one side is through installation piece fixed mounting there is the fixed block, the inside rotation of fixed block is connected with the lead screw, the inside of fixed block is equipped with two spacing subassemblies, two spacing subassembly all includes rotation post, swing board and stopper, two the rotation post all rotates the inside of connecting at the fixed block, two the equal fixed mounting in surface of rotation post has the swing board, two the equal fixed mounting in bottom of swing board one side has the stopper, two one side of stopper all contacts with the surface moving plate of hand wheel, the top of terminal passes through the screw thread moving plate of terminal, two movable plates of terminal and the movable plate is connected with the screw rod and the movable plate respectively.

Preferably, the screw thread rotation at lead screw both ends is opposite, the spring has all been cup jointed in the activity at the both ends of lead screw, two the one end of spring all with the inner wall fixed connection of fixed block, the other end of spring all with one side fixed connection of swing board, two the arc wall that corresponds with the lead screw is seted up to the inside of swing board.

Preferably, one end of the screw rod penetrates through the fixing block and is fixedly connected with an adjusting rotating handle arranged outside the fixing block, and the bottom end of the fixing block is provided with a swinging groove corresponding to the swinging plate.

Preferably, the bottom of one side of the junction box is fixedly provided with a mounting pipe.

Preferably, a protective sleeve is fixedly arranged outside the thermal resistance working head.

Preferably, the bottom of the protective pipe is fixedly provided with a flange.

Compared with the prior art, the utility model provides a pair of precision type armor thermal resistance has following beneficial effect:

the utility model provides an accurate type armor thermal resistance, the bull stick that drives the setting through the hand wheel that sets up and its reel rotate, make armor lead wire and thermal resistance working head remove in vertical direction, and then can carry out temperature measurement to the different degree of depth of equipment, change the lead screw that drives the setting through the regulation that sets up simultaneously and rotate, make opposite direction motion be simultaneously to two movable plates on lead screw surface, make the spacing subassembly of movable plate cooperation that corresponds, make the swing board that corresponds swing as the center pin with the rotation post, make mutual extrusion contact between two stoppers and the hand wheel, and then be convenient for carry on spacingly to the hand wheel of setting and reel, make the thermal resistance working head receive the inside to the protecting tube, further play the effect of protection to the thermal resistance working head, and service life is prolonged.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic sectional structure of the present invention;

fig. 3 is an enlarged schematic view of the utility model at a;

fig. 4 is an enlarged schematic structural diagram of the utility model B.

The reference numbers in the figures: 1. a junction box; 2. a fixed tube; 3. a fixing box; 4. a protective tube; 5. mounting a block; 6. a fixed block; 7. a screw rod; 8. a limiting component; 81. rotating the column; 82. a swing plate; 83. a limiting block; 9. a hand wheel; 10. moving the plate; 11. a spring; 12. adjusting the rotating handle; 13. a rotating rod; 14. a reel; 15. an armor lead; 16. a binding post; 17. a thermal resistance working head; 18. a protective sleeve; 19. installing a pipe; 20. a flange plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, an accurate armored thermal resistor, including a junction box 1, a fixed tube 2 is fixedly installed at the bottom end of the junction box 1, a fixed box 3 is fixedly installed at the bottom end of the fixed tube 2, a protective tube 4 is fixedly installed at the bottom end of the fixed box 3, a rotating rod 13 is connected to the fixed box 3 in a rotating mode, a reel 14 is fixedly installed in the middle of the rotating rod 13, an armored lead 15 is wound on the surface of the reel 14, one end of the rotating rod 13 penetrates through the fixed box 3 and is fixedly connected with a hand wheel 9 arranged outside the fixed box 3, a thermal resistor working head 17 is fixedly installed at the bottom end of the armored lead 15, a fixed block 6 is fixedly installed at the top of one side of the fixed box 3 through an installation block 5, a lead screw 7 is connected to the fixed block 6 in a rotating mode, two limit assemblies 8 are arranged inside the fixed block 6, each of the two limit assemblies 8 includes a rotating column 81, an oscillating plate 82 and a limit block 83, the two rotating columns 81 are both rotatably connected inside the fixed block 6, oscillating plates 82 are fixedly installed on the surfaces of the two rotating columns 81, an oscillating plate 82, the bottom of one side of the two oscillating plates 82 is fixedly installed on the side of the bottom of the side of the two oscillating plates 82, one side of the terminal block 83 and is in contact with a screw nut 10, the surface of the terminal box 9, and is connected with a moving plate 10 of the terminal 1 through a screw nut 10, and a moving plate 10, which is connected with a screw nut 10.

Referring to fig. 4, the screw rotation at the two ends of the screw rod 7 is opposite, the springs 11 are movably sleeved at the two ends of the screw rod 7, one ends of the two springs 11 are fixedly connected with the inner wall of the fixing block 6, the other ends of the springs 11 are fixedly connected with one sides of the swinging plates 82, the arc-shaped grooves corresponding to the screw rod 7 are formed in the two swinging plates 82, and the corresponding swinging plates 82 are reset and adjusted so that the corresponding swinging plates 82 are not limited in the swinging process.

Referring to fig. 4, one end of the screw rod 7 penetrates through the fixing block 6 and is fixedly connected with the adjusting rotating handle 12 arranged outside the fixing block 6, and the bottom ends of the fixing block 6 are provided with swing grooves corresponding to the swing plates 82, so that the screw rod 7 is driven to rotate, and the swing plates 82 are not limited in the swing process.

Referring to fig. 1, a mounting tube 19 is fixedly installed at the bottom of one side of the terminal block 1 so as to allow an external lead wire to connect the terminal 16.

Referring to fig. 1 and 2, a protective sleeve 18 is fixedly mounted on the outer portion of the thermal resistor working head 17 for protecting the thermal resistor working head 17.

Referring to fig. 1, a flange 20 is fixedly mounted at the bottom of the protection pipe 4 for mounting the armored thermal resistor.

To sum up, the utility model discloses in, at first place this precision type armor resistance thermistor at the workplace, install the equipment of setting through the ring flange 20 that sets up after that, wiring to terminal 16 through terminal box 1 cooperation installation pipe 19 that sets up and outside lead wire, when carrying out temperature measurement to the different degree of depth of equipment, change lead screw 7 that 12 drive setting through the regulation that sets up and rotate, the screw-nut that the cooperation set up, and then make two movable plates 10 on lead screw 7 surface do opposite direction motion simultaneously, because corresponding movable plate 10 and swing plate 82 are the mutual contact, under spring 11's effect, make corresponding swing plate 82 and rotation post 81 rotate, make stopper 83 separate with the hand wheel 9 that contacts, make hand wheel 9 drive the bull stick 13 and the reel 14 that set up and rotate, make the armor lead wire 15 on reel 14 surface stretch out and draw back, cooperate the thermal resistance working head 17 that armor lead wire 15 bottom set up, then be convenient for carrying out temperature measurement to the different degree of depth of equipment, after the temperature measurement, carry out reverse rotation through the hand wheel 9 that sets up, make thermal resistance 17 receive to protective tube 4, and then the inside working head 12 that sets up and adjust the above-up, it is convenient to carry out the above-mentioned step of repeated.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims (6)

1. The utility model provides a precision type armor thermal resistance, includes terminal box (1), its characterized in that: the bottom fixed mounting of terminal box (1) has fixed pipe (2), the bottom fixed mounting of fixed pipe (2) has fixed box (3), the bottom fixed mounting of fixed box (3) has protective tube (4), the inside rotation of fixed box (3) is connected with bull stick (13), the middle part fixed mounting of bull stick (13) has reel (14), the surface winding of reel (14) has armor lead wire (15), the one end of bull stick (13) is passed fixed box (3) and with hand wheel (9) fixed connection that fixed box (3) outside set up, the bottom fixed mounting of armor lead wire (15) has thermal resistance working head (17), the top of fixed box (3) one side has fixed block (6) through installation piece (5) fixed mounting, the inside rotation of fixed block (6) is connected with lead screw (7), the inside of fixed block (6) is equipped with two spacing subassemblies (8), two spacing subassembly (8) all include rotation post (81), stopper (82) and swing board (83), two the rotation post (81) is all connected in rotation of fixed block (81), the swing board (83) one side two fixed block (82) are installed the fixed block (82) the fixed block (83) the fixed block (82), one side of each of the two limiting blocks (83) is in contact with the surface of the hand wheel (9), the top end of the armored lead (15) penetrates through the junction box (1) and is fixedly connected with a binding post (16) arranged inside the junction box (1), two ends of the lead screw (7) are connected with the movable plate (10) through lead screw nuts in a threaded mode, and one side of each of the two swinging plates (82) is in contact with the surface of the corresponding movable plate (10) respectively.

2. The precision armored thermal resistor according to claim 1, wherein the screw threads at the two ends of the screw rod (7) rotate oppositely, the two ends of the screw rod (7) are movably sleeved with springs (11), one ends of the two springs (11) are fixedly connected with the inner wall of the fixed block (6), the other ends of the springs (11) are fixedly connected with one side of the swinging plates (82), and arc-shaped grooves corresponding to the screw rod (7) are formed in the two swinging plates (82).

3. The precision armored thermal resistor as claimed in claim 1, wherein one end of the screw rod (7) passes through the fixed block (6) and is fixedly connected with an adjusting rotating handle (12) arranged outside the fixed block (6), and the bottom ends of the fixed block (6) are provided with swing grooves corresponding to the swing plates (82).

4. A precision armored thermal resistor according to claim 1, wherein the bottom of one side of the junction box (1) is fixedly provided with a mounting tube (19).

5. A precision armored thermal resistor as claimed in claim 1, wherein said thermal resistor working head (17) is externally and fixedly provided with a protective jacket (18).

6. A precision armoured thermal resistance according to claim 1, characterized in that a flange (20) is fixedly mounted to the bottom of said protection tube (4).

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