CN205246225U - Temperature sensor - Google Patents
Temperature sensor Download PDFInfo
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- CN205246225U CN205246225U CN201521074676.1U CN201521074676U CN205246225U CN 205246225 U CN205246225 U CN 205246225U CN 201521074676 U CN201521074676 U CN 201521074676U CN 205246225 U CN205246225 U CN 205246225U
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Abstract
The utility model relates to a temperature sensing technical field provides a temperature sensor, it is including the temperature -sensing probe, fixed the fixing base of temperature -sensing probe, and will fixing base and the swivel connected coupler who protects bushing. Wherein, set the probe pillar of temperature -sensing probe to assembled, when guaranteeing that installation of cable is simple and convenient, guaranteed the uniformity of temperature -sensing element position for the temperature sensor data collection position is more accurate, more press close to real required data, and the uniformity is better. In addition, with the spacing swivelling joint of swivel connected coupler design for having limit function for spacing rotation can be done with the fixing base to the temperature -sensing probe in the perpendicular of installation face, when suitably adjusting the installation face, can not damage the cable, thereby be convenient for to the maintenance of cable.
Description
Technical field
The utility model relates to temperature sensor technology field, relates in particular to a kind of temperature sensor.
Background technology
Existing rail traffic gear box four probe temperature sensors as shown in Figure 1, are by visitingPillar 100, holder 200, rotary connector 300, the first protecting pipe 400, hub 500,The second protecting pipe 600, electric connector 700 form. Its principle of compositionality is, the pillar 100 of popping one's head inAfter holder 200 welding, by the first end of cable that is connected with temperature-sensing element from holder 200The filling as the temperature-sensitive chip of temperature-sensing element, down to probe pillar 100 bottoms, is carried out in connection holeEnvelope. Then rotary connector 300 and the first protecting pipe 400 are withheld integral, by of cableTwo ends penetrate protecting pipe, and rotary connector 300 and holder 200 are screwed by screw thread. Now,Rotary connector 300 can drive probe pillar 100 protecting pipe 360o relative to holder 200 to revolveTurn, adjust holder 200 mounting planes to facilitate. To illustrate four cables through hub 500Be pooled to the second protecting pipe 600, and they are connected successively, last cable enters electric connectorIn 700, carry out wiring operation.
In traditional temperature sensor, the installation and maintenance of cable faces huge challenge all the time.
First,, with regard to the probe of temperature sensor, due to the flexible characteristic of cable, it cannotEnsure the temperature-sensing element being connected with cable first end to extend into the bottom of probe pillar 100.
Secondly, because traditional rotary connector 300 can be in the vertical plane of protecting pipe 360Degree rotation is not spacing, thereby easily causes the cable in protecting pipe to tighten, and then causes cable to damageWound causes short circuit.
Specifically refer to Fig. 2, the figure illustrates the connection of holder 200 and rotary connector 300Relation. Rotary connector 300, in the time of assembling, is first arranged on rubber ring connecting bolt step logicalIn the groove of hole hole wall, sleeve retaining ring will be withheld on protecting pipe, then fuse will be withheld successivelyPenetrate connecting bolt, withhold sleeve and protecting pipe, the positioning boss that makes to withhold fuse end withThe step surface of connecting bolt step through-hole coordinates clamping, then compresses and withhold sleeve with special equipment,Protecting pipe is pressed on to be withheld on fuse. Withhold between fuse and connecting bolt exist certain betweenGap, can rotate arbitrarily around axial 360 ° that withhold fuse connecting bolt. Holder 200Be threaded connection with connecting bolt, therefore holder 200 can be around buckleing together with connecting boltPress the axial rotation of fuse. Thus, in the time of mounting-fixing base 200, at Duct fixing clamp by sheathAfter pipe is fixing, the position that still rotatable holder 200 is installed stationary plane to adjust it. HolderWhen 200 rotation, will drive cable to rotate together thereupon.
The rotary connector 300 of temperature sensor in this diagram, holder 200 can be around withholding coreAxial 360 ° of arbitrarily rotations of son, thus drive probe around withhold fuse axially towards a sideTo the multiple circumference of continuous rotation and unrestricted, easily cause thus cable in protecting pipe mutuallyBe wound around, tighten knotting, thereby cause cable fault, even fracture, and then shorten TEMPThe use mission of device probe.
Finally, existing hub architecture, is that cusped edge joins between lumen orifice, refers to Fig. 3And Fig. 4, train is in high-speed motion, and car body vibrations can cause cable to shake and rub in hubWipe, cause cable breakage, damage accessory.
In sum, a kind of cable urgently proposed be easy to the temperature sensor of installation and maintenance.
Utility model content
(1) technical problem that will solve
The technical problems to be solved in the utility model is just to provide one and is convenient to cable installation and dimensionThe temperature sensor protecting.
(2) technical scheme
The utility model provides a kind of temperature sensor, comprises temperature-sensing probe, fixing described senseThe holder of temperature probe, and the rotary connector that described holder is connected with protecting pipe,Described temperature-sensing probe comprises temperature-sensing element and assembly type probe pillar, and described assembly type probe protectsPipe comprises the probe shell for temperature-sensing element is installed, and for the protection of with described temperature-sensing elementThe protection tube of the cable connecting;
Described rotary connector comprises withholds fuse and Coupling, described in withhold first of fuseEnd passes from described Coupling, and the shaft shoulder and described Coupling one end of the setting of the second endStepped hole match; The described first end of withholding fuse insert in described protecting pipe and with instituteState and withhold fuse and be fixedly connected with; Described Coupling can relative to described in withhold fuse and circumferentially rotate alsoFixing, and described Coupling away from one end of described stepped hole and described holder with detachablyMode connect;
On the end face that described stepped hole matches with the described shaft shoulder, be respectively arranged with the first limit convexPlatform, the second positive stop lug boss; The first positive stop lug boss and described the second positive stop lug boss circumferentially stagger pointCloth, makes described the first positive stop lug boss and/or the second positive stop lug boss butt end of correspondence with itFace, and make described cover by described the first positive stop lug boss and described the second positive stop lug boss clampingIt is circumferentially fixing that fitting is withheld fuse described in relatively.
Preferably, described protecting pipe is connected with hub, and described hub for arrangeThe junction of the lumen orifice of cable connects by arc transition.
Preferably, described probe shell one end sealing other end opening, and described probe shell passes throughInsulating materials is encapsulated in the bottom of the close blind end of described probe shell; Opening of described probe shellMouth end and described protection tube socket, make the cable being connected with described temperature-sensing element from described spyThe openend of head capsule stretches in described protection tube.
Preferably, described Coupling is away from one end and the described holder screw thread of described stepped holeConnect.
Preferably, described Coupling is nut, and described nut is away from one end of described stepped holeBe provided with internal thread; Described rotary connector also comprises bolt, described bolt one end with described inHolder is threaded connection, and the other end screws in described nut and described screw-internal thread fit,And end face is withheld fuse described in sealing ring butt.
Preferably, one end of the close described protecting pipe of described nut, at described stepped hole andBetween end face, offer the first sealed groove for seal is installed; Described nut closeOne end of described bolt offers the second sealed groove that connects end face.
Preferably, described Coupling is hollow bolt and establishes in the one end away from described stepped holeHave external screw thread, described hollow bolt is connected with described holder by described external screw thread.
Preferably, described protecting pipe with described in withhold the outside, one end that fuse is connected and be arranged with buttonGland cylinder; Describedly withhold Coupling described in sleeve butt, and described in withhold sleeve near described inOne end of Coupling extends radially clamping boss, described in withhold fuse first end offerAxially extended draw-in groove, described clamping boss inserts described in making in described draw-in groove and withholds sleeveRelatively, withhold fuse circumferentially fixing; The described sleeve of withholding tightens up and makes described protecting pipe phaseThe described fuse of withholding is circumferentially fixed.
Preferably, described in, withhold sleeve lining and offer clamping frictional groove.
(3) beneficial effect
The technical solution of the utility model has the following advantages: TEMP of the present utility modelDevice, is arranged to assembly type by the probe pillar of temperature-sensing probe, and will in rotary connector, be provided withCircumferentially position limiting structure, thus be convenient to the installation and maintenance to cable.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or technical side of the prior artCase, does the accompanying drawing to required use in embodiment or description of the Prior Art simply belowIntroduce, apparently, the accompanying drawing in the following describes is only realities more of the present utility modelExecute example, for those of ordinary skill in the art, in the prerequisite of not paying creative workUnder, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of the temperature sensor of prior art;
Fig. 2 is the holder of prior art and the annexation schematic diagram of rotary connector;
The cross-sectional schematic of the hub of Fig. 3 prior art;
The schematic side view of the hub of Fig. 4 prior art;
Fig. 5 is the structural representation of the temperature sensor of the present embodiment;
Fig. 6 is the structural representation of the temperature-sensing probe of the present embodiment;
Fig. 7 is the holder of the present embodiment and the annexation schematic diagram of rotary connector;
Fig. 8 is the schematic side view of the present embodiment as the nut of Coupling;
Fig. 9 is the cross-sectional schematic of the present embodiment as the nut of Coupling;
Figure 10 is that the present embodiment is withheld fuse cross-sectional schematic vertically;
Figure 11 is that the present embodiment is withheld the first end of fuse along the cross-sectional schematic of cross section;
Figure 12 is the schematic side view that the present embodiment is withheld sleeve;
Figure 13 is the cross-sectional schematic that the present embodiment is withheld sleeve;
Figure 14 is the cross-sectional schematic of the hub of the present embodiment;
Figure 15 is the schematic side view of the hub of the present embodiment;
In figure: 100, probe pillar; 200, holder; 201, stationary plane is installed; 300,Rotary connector; 301, withhold fuse; 302, connecting bolt; 303, rubber ring; 304,Withhold sleeve; 305, protecting pipe; 306, Duct fixing clamp; 307, cable; 400, first protectSleeve pipe; 500, hub; 501, lumen orifice; 600, the second protecting pipe; 700, electrical connectionDevice;
1, temperature-sensing probe; 11, probe shell; 12, temperature-sensing element; 13, cable; 14, protectPillar; 15, insulating materials; 2, holder; 3, rotary connector; 31, bolt; 32,Nut; 321, the first sealed groove; 322, the first positive stop lug boss; 323, the second sealing is recessedGroove; 33, sealing ring; 34, withhold fuse; 341, the second positive stop lug boss; 342, draw-in groove;35, withhold sleeve; 351, clamping boss; 352, clamping section; 353, the section of tightening up; 354,Clamping frictional groove; 4, the first protecting pipe; 5, hub; 51, lumen orifice; 6, seal.
Detailed description of the invention
Below in conjunction with drawings and Examples, embodiment of the present utility model is done further in detailDescribe. Following examples are used for illustrating the utility model, but it is new to be used for limiting this practicalityThe scope of type.
In description of the present utility model, it should be noted that, term " " center ", " longitudinally "," laterally ", " on ", D score, 'fornt', 'back', " left side ", " right side ", " vertically ", " level ",Orientation or the position relationship of the instruction such as " top ", " end ", " interior ", " outward " are based on shown in accompanying drawingOrientation or position relationship, be only the utility model and simplified characterization for convenience of description, and notBe instruction or hint indication device or element must there is specific orientation, with specific orientationStructure and operation, therefore can not be interpreted as restriction of the present utility model. In addition term ",One ", " second ", " the 3rd " be only for describing object, and can not be interpreted as instruction or hint phaseTo importance.
The temperature sensor of the present embodiment, refers to Fig. 5, comprises temperature-sensing probe 1, described in fixingThe holder 2 of temperature-sensing probe 1, and the rotation that described holder 2 is connected with the first protecting pipe 4Connector 3.
Wherein, temperature-sensing probe 1 comprises temperature-sensing element 12 and probe pillar. One end of cable 13 connectsConnect the bottom of stretching into probe pillar after temperature-sensing element 12. For the ease of determining point for measuring temperature, ensure senseThe bottom of temperature element 12 input probe pillars, probe pillar is arranged to assembly type by the present embodiment.Particularly, this assembly type probe pillar comprises the probe shell 11 that temperature-sensing element 12 is installed, Yi JiyongThe protection tube 14 of the cable 13 being connected with described temperature-sensing element 12 in protection. Certainly, this spyHead capsule 11 is connected with protection tube 14.
Particularly, probe shell 11 one end sealing other end openings, and described probe shell 11 passes throughInsulating materials 15 is encapsulated in the bottom of the close blind end of described probe shell 11; Described probe shell11 openend and described protection tube 14 are socketed, and make to be connected with described temperature-sensing element 12Cable 13 stretches into described protection tube 14 from the openend of described probe shell 11.
Please with further reference to Fig. 6, the temperature-sensing probe 1 of the present embodiment comprises temperature-sensing element 12, two groupsCable 13, probe shell 11 and protection tube 14. Wherein pop one's head in shell 11 for left end sealing, right-end openingsTubular structure, protection tube 14 is the tubular structure of the equal opening in two ends, left and right; Probe shell 11 right-hand membersBe fixedly connected with the left end of protection tube 14. Two groups of cables 13 connect with two of temperature-sensing element 12 respectivelyMouthful connect, particularly, every group of cable 13 can comprise that a wire or two are connected in temperature-sensitive unitThe wire of part 12 same interfaces, different side connecting conductor formulas can form respectively two-wire system, threeThe temperature sensor of line system and four-wire system, the sensor of three-wire system and four-wire system can reduce wireThe error of resistance, the certainty of measurement of raising temperature sensor. In probe shell 11, be filled with insulation materialMaterial 15, the interior filling insulating materials 15 of probe shell 11 both can have been fixed the position of temperature-sensing element 12, alsoThe temperature sensor thermometric that can avoid two groups of cables 13 to contact causing short circuit and then cause is notAccurately. Wherein, insulating materials 15 can adopt the insulating materials such as alundum (Al2O3) or magnesia 15.Temperature-sensing element 12 is placed in probe shell 11, and is positioned at the left end that probe shell 11 seals.
In temperature-sensing probe 1 manufacturing process of the present embodiment, can first will connect with cable 13 one endThe temperature-sensing element 12 connecting is sent into the bottom of probe shell 11, and insulating materials 15 is packed into probeIn shell 11, the position of fixing temperature-sensing element 12, and then cable 13 is passed to protection tube 14,And protection tube 14 is fixedly connected with probe shell 11.
The assembly type probe pillar of the present embodiment, by temperature-sensing element 12 in advance built in probe shell 11In, the position of having guaranteed temperature-sensing element 12, is ensureing under the prerequisite of the temperature measurement location degree of accuracy,Facilitate the installation of assembly type probe pillar inner cable 13.
Preferably, the openend of probe shell 11 is provided with boss, protection tube 14 and probe shell 11The one end connecting is provided with groove, groove and boss tabling. Adopt the boss of probe shell 11With the mode of the groove tabling of protection tube 14 can be at probe shell 11 and protection tube 14 tube wallsIn thinner situation, realize both being fixedly connected with. Avoid due to probe shell 11 and protection tubeThe thicker thermometric causing of tube wall of 14 contact positions is inaccurate.
Further, the boss of probe shell 11 be circumferentially with annular groove, in annular groove, scribble sealingGlue. Scribbling fluid sealant at inner annular groove can improve between probe shell 11 and protection tube 14The structural strength of sealing and protection tube 14 and probe shell 11 contact positions.
Certainly, protection tube 14 with probe shell 11 be fixedly connected with also can adopt be threaded,The multiple modes that are fixedly connected with such as grafting.
In addition, the thermal conductivity of probe shell 11 can be greater than the thermal conductivity of protection tube 14. PreferablyGround, protection tube 14 adopts stainless steel to make. Probe shell 11 can adopt material thermal conductivityLarge material, the material of as large in the thermal conductivity such as copper, monel and good heat resistance, probe shell11 adopt the larger material of thermal conductivity to make the promptness that can improve transfer of data.
Temperature sensor in the present embodiment, is arranged to assembling by the probe pillar of temperature-sensing probe 1Formula, ensureing cable 13 easy-to-installs simultaneously, has ensured the uniformity of temperature-sensing element 12 positions,Make temperature sensor image data position more accurate, be more close to real desired data, andUniformity is better.
Refer to Fig. 7, the rotary connector 3 of the present embodiment comprises withholds fuse 34 and socketPart, the same with the effect of prior art, the effect of withholding fuse 34 is and the first protecting pipe4 when being fixedly connected with, make holder 2 can relative to described in withhold fuse 34 and rotate.Withholding fuse 34 generally withholds on fuse 34 and with to withhold fuse 34 axially solid by being socketed inFixed Coupling realization relatively rotates with holder 2. And between Coupling and holder 2Adopt dismountable mode to connect, more commonly thread connecting mode.
Particularly, withhold fuse 34 first ends and pass from Coupling, and establish by the second endThe stepped hole axial limiting of the shaft shoulder of putting and described Coupling one end. Obviously, realize the shaft shoulderAnd coordinating between stepped hole, must ensure that so the shaft shoulder is relative with stepped hole axial locationShould. Due to the list of the stepped hole self of the shaft shoulder and described Coupling one end on can realizing axiallyTo spacing, what emphasis was considered so is that the shaft shoulder and stepped hole are axially gone up the spacing of other direction.Please improve a step referring to Fig. 7, when withholding fuse 34 positions when fixing, consider how to preventCoupling is relatively withheld fuse 34 and is moved right. Preferably described in the first protecting pipe 4 butts, be socketedPart, moves right thereby avoid Coupling relatively to withhold fuse 34. Butt wherein can beDirectly contact can be also indirectly to contact, as long as can realize position-limiting action. Certainly,The first protecting pipe 4 butt Couplings are not necessary conditions, because fixing by rationally arrangingAnnexation between seat 2 and Coupling obviously also can achieve the above object, and below willCan further set forth.
In addition fuse 34 first ends of withholding that pass from Coupling, insert the first protecting pipe 4In, and be fixedly connected with the first protecting pipe 4, while ensureing that holder 2 drives Coupling rotation,The first protecting pipe 4 and withhold fuse 34 and do not rotate.
In order to prevent that Coupling from arbitrarily circumferentially rotating relative to withholding fuse 34 cable 13 causingDamage, the withholding in fuse 34 and Coupling of the present embodiment, in the shaft shoulder and described stepped hole phaseOn the end face coordinating, be respectively arranged with the first positive stop lug boss 322, the second positive stop lug boss 341. ThisLocate the first positive stop lug boss 322 and be arranged on Coupling, the second positive stop lug boss 341 is arranged on buttonPress on fuse 34, and the first positive stop lug boss 322 and the disclination in 341 weeks of described the second positive stop lug bossOpen distribution. Obviously, the shaft shoulder and described stepped hole pass through perpendicular to circumferential end face butt originally,When being provided with after above-mentioned the first positive stop lug boss 322 and the second positive stop lug boss 341, first is spacingAt least one of them butt end face on the other side of boss 322 and the second positive stop lug boss 341,To realize axial limiting. In addition, due to the first positive stop lug boss 322 and described the second limit convexPlatform 341 is circumferentially in staggered distribution, therefore when Coupling is in the time withholding fuse 34 and rotate, at mostThe first positive stop lug boss 322 and described the second positive stop lug boss 341 after rotating 360 ° towards a directionClamping, makes described Coupling withhold fuse 34 described in relatively circumferentially fixing. Now, described inCoupling can rotate relative to withholding fuse 34 in the other direction.
Wherein the structure of Coupling is please with further reference to Fig. 8 and Fig. 9. Corresponding Coupling and fixingThe form that seat is threaded between 2, the Coupling of the present embodiment preferably but must not adopt spiral shellFemale 32. Particularly, be provided with internal thread at nut 32 away from one end of described stepped hole, andRealize being threaded between holder 2 by this internal thread. Please with further reference to Fig. 9,On the stepped hole end face relative with the shaft shoulder, be provided with the first positive stop lug boss 322.
Corresponding with above-mentioned nut 32 structures, the structure of withholding fuse 34 of the present embodiment pleaseReferring to Figure 10, on the end face coordinating with stepped hole at the shaft shoulder, be provided with the second positive stop lug boss 341.When the right-hand member of withholding fuse 34 is from the right-hand member of nut 32 passes, withhold fuse 34 left endsThe stepped hole of the shaft shoulder and nut 32 right-hand members coordinates, and the first positive stop lug boss 322 and the second limitPosition boss 341 coordinates realizes circumferential position-limiting action.
Further, in order to realize the screw thread between left end and the holder 2 of above-mentioned nut 32Connect, described rotary connector 3 also comprises bolt 31, and wherein one end of bolt 31 is with fixingSeat 2 is threaded, and the other end is realized and being threaded with the internal thread of nut 32 left ends, and come inOne step is referring to Fig. 7. Wherein bolt 31 and withhold between the end face of fuse 34 and be provided with sealing ring33, sealing ring 33 elastic top are pressed bolt 31 and are withheld fuse 34. Can ensure thus this enforcementThe temperature sensor rotary connector 3 of example has good sealing. It should be noted thatWithhold fuse 34 end faces by the indirect butt of bolt 31 herein, also can limit as socketThe motion to the right of the nut 32 of part, thus above-mentioned the first protecting pipe 4 butt nuts 32 are notNecessary condition.
In the present embodiment, one end of close described first protecting pipe 4 of nut 32, in instituteState and between stepped hole and end face, offer the first sealed groove 321 for seal 6 is installed;One end of the close described bolt 31 of described nut 32 offers the second sealing that connects end faceGroove 323, please with further reference to Fig. 7. Wherein, in the first sealed groove 321, sealing is setPart 6, for realizing nut 32 and withholding the sealing between fuse 34; The second sealed grooveSeal 6 is set, for realizing the sealing between nut 32 and bolt 31 in 323. HereinSeal 6 preferably but be not necessary for rubber ring. Can be further by the seal 6 is setStrengthen the sealing of the temperature sensor of the present embodiment.
Certainly, in the present embodiment, rotary connector 3 might not comprise bolt 31, also canBeing to be provided with corresponding external thread structure in holder 2, and by outside on holder 2Screw thread is connected with the internal thread of nut 32.
It should be noted that, in the time that rotary connector 3 and holder 2 are threaded connection,The Coupling of the present embodiment must not be nut 32, and it can be also the bolt 31 of hollow,And in the time that this Coupling is bolt 31, the operation principle of the rotary connector 3 of the present embodiment andThe operation principle of rotary connector 3 of the prior art is identical. Different places are this realityExecute the stepped hole of routine bolt 31 and withhold on the counterface of the shaft shoulder of fuse 34 and establish respectivelyBe equipped with the positive stop lug boss of working in coordination, thereby make this bolt 31 relatively withhold fuse 34 weeksTo spacing. Obviously, this bolt 31 is provided with external screw thread, and by this external screw thread and holderInternal thread in 2 is realized and being threaded.
In order to realize the first protecting pipe 4 and to withhold being fixedly connected with of fuse 34 first ends, preferablyThe first protecting pipe 4 with described in withhold outside, one end that fuse 34 is connected and be arranged with and withhold sleeve35, please with further reference to Fig. 7. Describedly withhold sleeve 35 preferably but must described in butt, not overlapFitting, and described in withhold sleeve 35 to extend radially clamping near one end of described Coupling protrudingPlatform 351, described in withhold fuse 34 first end offer axially extended draw-in groove 342, instituteState clamping boss 351 insert withhold described in making in described draw-in groove 342 sleeve 35 relatively described inWithhold fuse 34 circumferentially fixing; The described sleeve 35 of withholding tightens up and makes described the first protecting pipe 4Relatively, withhold fuse 34 circumferentially fixing.
The present embodiment withhold the cutaway view of fuse 34 first ends along cross section, refer to figure11. The visual draw-in groove 342 extending vertically of withholding fuse 34 first ends that is opened in figure.Obviously, this draw-in groove 342 does not also require that running through whole withholds fuse 34, withholds but will run throughThe end face of fuse 34 first ends, thus be convenient to the follow-up clamping boss 351 of withholding sleeve 35Installation.
On this basis, withhold that sleeve 35 extends radially near one end of described CouplingClamping boss 351, refers to Figure 12, and described clamping boss 351 inserts described draw-in groove 342In withhold sleeve 35 described in making to withhold fuse 34 described in relatively circumferentially fixing; Described withholdingSleeve 35 tightens up that to make described the first protecting pipe 4 withhold fuse 34 described in relatively circumferentially fixing.
Withhold the structure of sleeve 35 please with further reference to Figure 13, comprise clamping section 352 and tighten upSection 353, wherein clamping section 352 directly with withhold fuse 34 and be connected, and in clamping section 352On be provided with above-mentioned clamping boss 351; The section of tightening up 353 directly contacts with the first protecting pipe 4,And in the time that the section of tightening up 353 is tightened up, make the first protecting pipe 4 and to withhold fuse 34 relative solidFixed. Wherein, preferably in the section of tightening up 353, be provided with clamping frictional groove 354, please further participate inFig. 8, tightens up while withholding sleeve 35, can make the first protecting pipe 4 withhold squeezing of sleeve 35Depress and get in this clamping frictional groove 354, to ensure the first protecting pipe 4 and to withhold sleeve 35Keep contact closely.
In the present embodiment, rotary connector 3 is designed to connect with the rotary limited of limit functionConnect, make temperature-sensing probe 1 and holder 2 in the vertical plane of installed surface, to do rotary limited, suitableIn the time adjusting installed surface, can not damage cable 13, thereby be convenient to the maintenance to cable 13.
Further, in the present embodiment, protecting pipe is connected with hub 5, and described hub 5The junction for lumen orifice 51 that cable 13 is set connect by arc transition, refer to figure14 and Figure 15. In concrete production process, can, by lumen orifice 51 junction processing fillets, make to connectTactile face is smooth transition, thereby train is travelling in vibrations process, and cable 13 is straight with hub 5The friction connecing is slowed down, and cable 13 is not damaged, and has improved the reliability of product.
Above embodiment is only for the utility model is described, but not to limit of the present utility modelSystem. Although the utility model is had been described in detail with reference to embodiment, this area commonTechnical staff should be appreciated that the technical solution of the utility model is carried out to various combinations, amendmentOr be equal to replacement, do not depart from the spirit and scope of technical solutions of the utility model, all shouldBe encompassed in the middle of claim scope of the present utility model.
Claims (9)
1. a temperature sensor, comprises temperature-sensing probe, fixes the fixing of described temperature-sensing probeSeat, and the rotary connector that described holder is connected with protecting pipe, is characterized in that,
Described temperature-sensing probe comprises temperature-sensing element and assembly type probe pillar, described assembly type probePillar comprises the probe shell for temperature-sensing element is installed, and for the protection of with described temperature-sensing elementThe protection tube of the cable connecting;
Described rotary connector comprises withholds fuse and Coupling, described in withhold the first end of fuseFrom described Coupling, pass, and the shaft shoulder of the second end setting and the platform of described Coupling one endMatch in hole, rank; The described first end of withholding fuse inserts in described protecting pipe and with described to be withheldFuse is fixedly connected with; Described Coupling can relative to described in withhold fuse and circumferentially rotate and fix, andDescribed Coupling connects removably away from one end and the described holder of described stepped holeConnect;
On the end face that described stepped hole matches with the described shaft shoulder, be respectively arranged with the first limit convexPlatform, the second positive stop lug boss; The first positive stop lug boss and described the second positive stop lug boss are circumferentially in staggered distribution,Make described the first positive stop lug boss and/or the second positive stop lug boss butt end face of correspondence with it, andMake described Coupling phase by described the first positive stop lug boss and described the second positive stop lug boss clampingThe described fuse of withholding is circumferentially fixed.
2. temperature sensor according to claim 1, is characterized in that, described sheathPipe be connected with hub, and described hub for arrange cable lumen orifice junction lead toCrossing arc transition connects.
3. temperature sensor according to claim 1, is characterized in that, described probeShell one end sealing other end opening, and described probe shell is encapsulated in described probe by insulating materialsThe bottom of the close blind end of shell; The openend of described probe shell and the socket of described protection tube, makeThe cable that must be connected with described temperature-sensing element stretches into described protection from the openend of described probe shellGuan Zhong.
4. temperature sensor according to claim 1, is characterized in that, described socketPart is threaded with described holder away from one end of described stepped hole.
5. temperature sensor according to claim 4, is characterized in that, described socketPart is nut, and described nut is provided with internal thread away from one end of described stepped hole; Described rotationConnector also comprises bolt, and described bolt one end and described holder are threaded connection, anotherEnd screws in described nut and described screw-internal thread fit, and end face is buckled described in sealing ring buttPress fuse.
6. temperature sensor according to claim 5, is characterized in that, described nutOne end of close described protecting pipe, between described stepped hole and end face, offer for installingThe first sealed groove of seal; One end of the close described bolt of described nut offers perforationThe second sealed groove of end face.
7. temperature sensor according to claim 4, is characterized in that, described socketPart is hollow bolt and is provided with external screw thread in the one end away from described stepped hole, described hollow boltBe connected with described holder by described external screw thread.
8. temperature sensor according to claim 1, is characterized in that, described sheathPipe with described in withhold outside one end that fuse is connected and be arranged with and withhold sleeve; The described sleeve of withholding supportsConnect described Coupling, and described in withhold sleeve and extend radially card near one end of described CouplingConnect boss, described in withhold fuse first end offer axially extended draw-in groove, described clamping is protrudingPlatform inserts to be withheld sleeve described in making in described draw-in groove to withhold fuse described in relatively circumferentially fixing; InstituteState and withhold sleeve and tighten up that to make described protecting pipe withhold fuse described in relatively circumferentially fixing.
9. temperature sensor according to claim 8, is characterized in that, described in withholdSleeve lining offers clamping frictional groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521074676.1U CN205246225U (en) | 2015-12-21 | 2015-12-21 | Temperature sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521074676.1U CN205246225U (en) | 2015-12-21 | 2015-12-21 | Temperature sensor |
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| Publication Number | Publication Date |
|---|---|
| CN205246225U true CN205246225U (en) | 2016-05-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521074676.1U Active CN205246225U (en) | 2015-12-21 | 2015-12-21 | Temperature sensor |
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| CN (1) | CN205246225U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108507701A (en) * | 2018-04-18 | 2018-09-07 | 北京方等传感器研究所有限公司 | Temperature sensor connection structure and connection system |
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2015
- 2015-12-21 CN CN201521074676.1U patent/CN205246225U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108507701A (en) * | 2018-04-18 | 2018-09-07 | 北京方等传感器研究所有限公司 | Temperature sensor connection structure and connection system |
| CN108507701B (en) * | 2018-04-18 | 2024-05-24 | 北京方等传感器研究所有限公司 | Temperature sensor connection structure and connection system |
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Address after: No. 25, Keji Road, Economic Development Zone, Miyun County, Beijing 101500 Patentee after: Beijing Fang Sensor Research Institute Co.,Ltd. Address before: No. 25, Keji Road, Economic Development Zone, Miyun County, Beijing 101500 Patentee before: BEIJING FANGDENG SENSOR RESEARCH INSTITUTE Co.,Ltd. |
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