CN103560621A - Assembly type sealing terminal assembly of closed type refrigeration motor temperature sensing element - Google Patents
Assembly type sealing terminal assembly of closed type refrigeration motor temperature sensing element Download PDFInfo
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- CN103560621A CN103560621A CN201310601723.2A CN201310601723A CN103560621A CN 103560621 A CN103560621 A CN 103560621A CN 201310601723 A CN201310601723 A CN 201310601723A CN 103560621 A CN103560621 A CN 103560621A
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Abstract
The invention provides an assembly type sealing terminal assembly of a closed type refrigeration motor temperature sensing element. The assembly type sealing terminal assembly comprises a sealing assembly which is used for being connected outside multiple temperature sensing element outgoing lines in a sleeved mode, a fixing part which is arranged on a rear end face in an abutting mode, a locking part exerting pressure on a conical face in the front-and-rear direction of the axial direction, and an installation sleeve arranged outside the fixing part and the locking part in a sleeved mode. The sealing assembly is provided with a through hole and a conical section, wherein the through hole is penetrated in the axial direction of the sealing assembly, and the periphery of the conical section is provided with the conical face. The conical section is sequentially provided with a front end face and the rear end face in the axial direction, the diameter of the rear end face is larger than that of the front end face, and the temperature sensing elements penetrate through the through hole. The installation sleeve penetrates through a shell of a refrigeration motor and is fixedly connected with the shell. The assembly type sealing terminal assembly of the closed type refrigeration motor temperature sensing element is simple in structure, good in sealing effect, convenient to assemble and capable of adapting to the amount of the temperature sensing element outgoing lines by adjusting the diameter of the through hole of the sealing assembly according to requirements.
Description
Technical field
The present invention relates to a kind of black box of refrigeration motor, especially a kind of assembled hermetic terminal assembly of enclosed refrigeration motor temperature sensing element.
Background technology
Motor for closed type refrigeration compressor is completely different from operational environment and the working media of common standard motor.The working media of common standard motor is air, and machine operation is not when working, and the inside and outside portion pressure of motor all equates.Owing to being filled with different refrigeration working mediums, when working and not working, all there is higher pressure in motor for closed type refrigeration compressor always.Therefore, in enclosed refrigeration motor, for be arranged on the communication tie of the temperature-sensing element in motor in seal inside, excellent sealing measure must be adopted equally, just the requirement that prevents refrigrant leakage can be reached.
The observing and controlling element of temperature is to guarantee very important sensing element of refrigeration motor reliably working.While working due to them, all there are different voltage or electric current to pass through, draw the conductor of control assembly when through compressor body, must make signal pass through smoothly, therefore require, when thering is superior isolation, more will ensure reliable sealing.
In prior art, for the design of Sealing Structure of the temperature-sensing element lead-out wire of enclosed refrigeration motor for each root lead-out wire is sealed respectively, so complex structure, bulky, installation and maintenance extremely bothers, can not be installed in small-sized refrigerating motor, have larger application limitation.
Summary of the invention
In order to overcome the defect of prior art, the object of this invention is to provide a kind of hermetic terminal assembly lead-out wire of temperature-sensing element being sealed for being arranged on enclosed refrigeration motor, sealing terminal assemblies is simple in structure, sealing effectiveness better and can to many temperature-sensing element lead-out wires, seal simultaneously.
For achieving the above object, the invention provides a kind of assembled hermetic terminal assembly of enclosed refrigeration motor temperature sensing element, it is characterized in that, comprising:
In order to be socketed in many black boies outside temperature-sensing element lead-out wire, described black box has the conical section that the through hole that axially runs through along self and periphery have taper seat, described conical section has front end face and rear end face vertically successively, the diameter of described rear end face is greater than the diameter of described front end face, and described many temperature-sensing elements are through described through hole;
Keep out the fixture at described rear end face;
The locking member that fore-and-aft direction is vertically exerted pressure to described taper seat;
Be set in the installation sleeve outside described fixture and described locking member, described installation sleeve passes the housing of refrigeration motor and is fixedly connected with described housing.
Preferably, described installation sleeve has the external screw thread being threaded with described housing and the internal thread being threaded with described fixture and described locking member.
More preferably, described fixture is hold-down nut, and it has the external screw thread being connected with the internal thread of described installation sleeve.
Further, described locking member is locking nut, it has and the taper seat of described black box the rotate conical bore coordinating and the external screw thread being connected with the internal thread of described installation sleeve, and described locking member is socketed on the taper seat of described black box rotationally; The maximum inner diameter of described conical bore is less than the diameter of the rear end face of described taper seat.
Further, described installation sleeve be axially penetrated with isometrical through hole, the inwall of described isometrical through hole is provided with internal thread, described fixture and described locking member are threaded in respectively the front and rear of described isometrical through hole.
In one embodiment, described black box comprises:
Be enclosed within successively vertically the outer assembly of sealing and sealing inner assembly outside described many temperature-sensing element lead-out wires;
Be set in the lock sleeve outside the outer assembly of described sealing and described sealing inner assembly, the outer circumference surface of described lock sleeve forms described taper seat.
Wherein, the inwall of described lock sleeve is provided with internal thread, and the outer assembly of described sealing and described sealing inner assembly are threaded in respectively on the internal thread of described lock sleeve.
Wherein, one end of described sealing inner assembly assembly outside described sealing is provided with axial raised boss, and the outer assembly of described sealing is provided with the groove of axial recess towards one end of described sealing inner assembly.
Preferably, described boss is the frustum of a cone, the taper barrel that is shaped as the compression that matches with the described frustum of a cone of described groove, and the maximum gauge of described groove is less than the maximum gauge of the described frustum of a cone.
In one embodiment, on described outer circumference surface, be also arranged with plastic sheath.Plastic sheath can bear certain distortion, so after locking member locking, sealing effectiveness is better.
Compared to prior art, hermetic terminal assembly of the present invention has the following advantages: for sealing the lead-out wire of drawing enclosed refrigeration motor temperature sensing element, it is simple in structure, can be arranged in small-sized refrigerating motor, can be as required, the quantity of adaptive temperature sensing element lead-out wire by the through-hole aperture of adjustment black box; By the taper seat of black box is applied to axial compressive force, lock, guarantee good seal; Primary structure is all threaded connection, and assembles very convenient.
Accompanying drawing explanation
Fig. 1 is assembling schematic diagram of the present invention.
Fig. 2 is the structural representation of black box in the present invention.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated.
Refer to Fig. 1 and Fig. 2, the invention provides a kind of assembled hermetic terminal assembly of enclosed refrigeration motor temperature sensing element, comprise black box 1, hold-down nut 2, locking nut 3, installation sleeve 4; Black box 1 comprises the outer assembly 11 of sealing, sealing inner assembly 12, lock sleeve 13, plastic sheath 14.
Refer to Fig. 1, black box 1 is for being socketed in outside many temperature-sensing element lead-out wires 100, black box 1 has the conical section that the through hole that axially runs through along self and periphery have taper seat 101, described conical section has front end face 102 and rear end face 103 vertically successively, the diameter of rear end face 103 is greater than the diameter of front end face 102, and many temperature-sensing elements 100 are through described through hole.
Hold-down nut 2 is kept out the rear end face 103 in the conical section of black box 1, and it has external screw thread.
Locking nut 3 fore-and-aft direction is vertically exerted pressure to the taper seat 101 of black box, and it has external screw thread, and has and the taper seat of black box 1 the rotate conical bore coordinating and the external screw thread being connected with the internal thread of installation sleeve 4.Locking nut 3 is socketed on the taper seat 101 of black box 1 rotationally, and the maximum inner diameter of the conical bore of locking nut 3 is less than the diameter of the rear end face 103 of described taper seat.
For accurate positioning, hold-down nut 2 is also provided with detent 21 towards one end of black box 1, and black box 1 is provided with corresponding positioning convex portion towards one end of hold-down nut 2.
Installation sleeve 4 be axially penetrated with isometrical through hole, the inwall of described isometrical through hole is provided with internal thread.Installation sleeve 4 is set in outside hold-down nut 2 and locking nut 3, and described hold-down nut 2 and locking nut 3 are threaded in respectively the front and rear of described isometrical through hole.Installation sleeve 4 passes the housing 5 of refrigeration motor and is fixedly connected with housing 5.Installation sleeve 4 has the external screw thread being threaded with housing 5 and the internal thread being threaded with hold-down nut 2 and locking nut 3.
In the present embodiment, seal outer assembly 11 and be enclosed within successively vertically outside many temperature-sensing element lead-out wires 100 with sealing inner assembly 12.
Wherein, one end of sealing inner assembly 12 assembly 11 outside described sealing is provided with axial raised boss, and in the present embodiment, this boss is the frustum of a cone 121.Seal outer assembly 11 and towards one end of sealing inner assembly 12, be provided with the groove 111 of axial recess, the taper barrel that is shaped as the compression that matches with the frustum of a cone 121 of this groove 111 in the present embodiment, the maximum gauge of described groove 111 is less than the maximum gauge of the frustum of a cone 121.
Assembling process of the present invention is as follows:
The first step: the assembling of " black box "
(1) by many temperature-sensing element lead-out wires 100, respectively in the circular hole through the outer assembly 3 of sealing and sealing inner assembly 12;
(2) part of circular hole that is positioned at sealing inner assembly 12 at temperature-sensing element lead-out wire 100 is coated appropriate fluid sealant;
(3) first will seal inner assembly 12 and screw in to approximately 1/2 axial length position in lock sleeve 13 endoporus, then will the outer assembly 11 of sealing from other one end screw-in of lock sleeve 13, and till being threaded to suitable pressure;
(4) outside lock sleeve 2, put plastic sheath 14;
Second step: assembling " hermetic terminal assembly "
(1) installation sleeve 4 is screwed in to compressor housing 5;
(2) then hold-down nut 2 is screwed in to axial length approximately 1/2 place of mounting nuts 4 endoporus;
(3) lead-out wire of black box 1 is passed from the hole of hold-down nut 5;
(4) locking nut 3 is screwed in installation sleeve 5, with locking nut 3, black box 1 is pressed in hold-down nut 2, then at leisure black box 1 is compressed.
Installation.
In assembling process, conductor for fear of refrigeration working medium from every lead-out wire and the gap axis between insulating barrier are to leakage, in the through hole of sealing inner assembly 12, the insulating barrier of every temperature-sensing element lead-out wire 100, along circumferentially peeling off to expose conductor, is exposed to a bit of conductor after peeling off; And for fear of short circuit, disturb, the conductor position of exposing after many temperature-sensing element lead-out wire glass insulating barriers staggers vertically; After stripping insulation layer sealing inner assembly 12 through hole in filling with sealant, make the part of every temperature-sensing element lead-out wire 100 bare exposed conductor all be full of electric insulating sealant.
Above-described embodiment is only explanation technical conceive of the present invention and feature; its object is to allow person skilled in the art can understand content of the present invention and implement according to this; can not limit the scope of the invention with this; all equivalences that Spirit Essence is done according to the present invention change or modify, within all should being encompassed in protection scope of the present invention.
Claims (10)
1. an assembled hermetic terminal assembly for enclosed refrigeration motor temperature sensing element, is characterized in that, comprising:
In order to be socketed in many black boies outside temperature-sensing element lead-out wire, described black box has the conical section that the through hole that axially runs through along self and periphery have taper seat, described conical section has front end face and rear end face vertically successively, the diameter of described rear end face is greater than the diameter of described front end face, and described many temperature-sensing elements are through described through hole;
Keep out the fixture at described rear end face;
The locking member that fore-and-aft direction is vertically exerted pressure to described taper seat;
Be set in the installation sleeve outside described fixture and described locking member, described installation sleeve passes the housing of refrigeration motor and is fixedly connected with described housing.
2. the assembled hermetic terminal assembly of a kind of enclosed refrigeration motor temperature sensing element according to claim 1, is characterized in that: described installation sleeve has the external screw thread being threaded with described housing and the internal thread being threaded with described fixture and described locking member.
3. the assembled hermetic terminal assembly of a kind of enclosed refrigeration motor temperature sensing element according to claim 2, is characterized in that: described fixture is hold-down nut, and it has the external screw thread being connected with the internal thread of described installation sleeve.
4. the assembled hermetic terminal assembly of a kind of enclosed refrigeration motor temperature sensing element according to claim 3, it is characterized in that: described locking member is locking nut, it has and the taper seat of described black box the rotate conical bore coordinating and the external screw thread being connected with the internal thread of described installation sleeve, and described locking member is socketed on the taper seat of described black box rotationally; The maximum inner diameter of described conical bore is less than the diameter of the rear end face of described taper seat.
5. the assembled hermetic terminal assembly of a kind of enclosed refrigeration motor temperature sensing element according to claim 4, it is characterized in that: described installation sleeve be axially penetrated with isometrical through hole, the inwall of described isometrical through hole is provided with internal thread, and described fixture and described locking member are threaded in respectively the front and rear of described isometrical through hole.
6. according to the assembled hermetic terminal assembly of a kind of enclosed refrigeration motor temperature sensing element described in claim 1 to 5 any one, it is characterized in that, described black box comprises:
Be enclosed within successively vertically the outer assembly of sealing and sealing inner assembly outside described many temperature-sensing element lead-out wires;
Be set in the lock sleeve outside the outer assembly of described sealing and described sealing inner assembly, the outer circumference surface of described lock sleeve forms described taper seat.
7. the assembled hermetic terminal assembly of a kind of enclosed refrigeration motor temperature sensing element according to claim 6, it is characterized in that: the inwall of described lock sleeve is provided with internal thread, the outer assembly of described sealing and described sealing inner assembly are threaded in respectively on the internal thread of described lock sleeve.
8. the assembled hermetic terminal assembly of a kind of enclosed refrigeration motor temperature sensing element according to claim 6, it is characterized in that: one end of described sealing inner assembly assembly outside described sealing is provided with axial raised boss, the outer assembly of described sealing is provided with the groove of axial recess towards one end of described sealing inner assembly.
9. the assembled hermetic terminal assembly of a kind of enclosed refrigeration motor temperature sensing element according to claim 8, it is characterized in that: described boss is the frustum of a cone, the taper barrel that is shaped as the compression that matches with the described frustum of a cone of described groove, the maximum gauge of described groove is less than the maximum gauge of the described frustum of a cone.
10. the assembled hermetic terminal assembly of a kind of enclosed refrigeration motor temperature sensing element according to claim 6, is characterized in that: on described outer circumference surface, be also arranged with plastic sheath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310601723.2A CN103560621B (en) | 2013-11-25 | 2013-11-25 | The assembled hermetic terminal assembly of enclosed refrigeration motor temperature sensing element |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310601723.2A CN103560621B (en) | 2013-11-25 | 2013-11-25 | The assembled hermetic terminal assembly of enclosed refrigeration motor temperature sensing element |
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| CN103560621A true CN103560621A (en) | 2014-02-05 |
| CN103560621B CN103560621B (en) | 2016-04-06 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105449933A (en) * | 2014-08-18 | 2016-03-30 | 重庆美的通用制冷设备有限公司 | Lead leading-out device and compressor and motor having the same |
| CN106321440A (en) * | 2016-10-18 | 2017-01-11 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor, refrigeration appliance and control method of compressor |
| CN107816918A (en) * | 2016-09-12 | 2018-03-20 | 约翰尼斯海登海恩博士股份有限公司 | Length measurement device and the method for its assembling |
| CN112798139A (en) * | 2020-12-23 | 2021-05-14 | 成都伊莱特光测科技有限公司 | Hydroelectric set axle bush temperature detection optical fiber sensor |
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Patent Citations (5)
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| US20100108020A1 (en) * | 2008-11-06 | 2010-05-06 | Angelo Miretti | Connector apparatus and system for explosion proof engine |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105449933A (en) * | 2014-08-18 | 2016-03-30 | 重庆美的通用制冷设备有限公司 | Lead leading-out device and compressor and motor having the same |
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| CN107816918A (en) * | 2016-09-12 | 2018-03-20 | 约翰尼斯海登海恩博士股份有限公司 | Length measurement device and the method for its assembling |
| CN107816918B (en) * | 2016-09-12 | 2020-12-04 | 约翰尼斯海登海恩博士股份有限公司 | Length measuring device and method for assembling same |
| CN106321440A (en) * | 2016-10-18 | 2017-01-11 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor, refrigeration appliance and control method of compressor |
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| CN112798139A (en) * | 2020-12-23 | 2021-05-14 | 成都伊莱特光测科技有限公司 | Hydroelectric set axle bush temperature detection optical fiber sensor |
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| CN103560621B (en) | 2016-04-06 |
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