CN203744914U - Waterproof current vortex sensor probe - Google Patents
Waterproof current vortex sensor probe Download PDFInfo
- Publication number
- CN203744914U CN203744914U CN201420151169.2U CN201420151169U CN203744914U CN 203744914 U CN203744914 U CN 203744914U CN 201420151169 U CN201420151169 U CN 201420151169U CN 203744914 U CN203744914 U CN 203744914U
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- Prior art keywords
- gland nut
- probing shell
- cone
- sealing ring
- blind
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- Withdrawn - After Issue
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Abstract
The utility model discloses a waterproof current vortex sensor probe which comprises a probe housing, a skeleton, a coil, a blind sealing cover, a front gland nut, a rear gland nut and a tapered sealing ring, wherein the outer circumferential surface of the rear section of the blind sealing cover is of a front outer conical surface, the circumferential wall surface of the bore hole of the front section of the front gland nut is of a front inner conical surface, the front section of the front gland nut is sleeved over the rear section of the blind sealing cover, and the rear section of the front gland nut is sleeved over and is in threaded connection with the front section of the probe housing. The front section of the rear gland nut is placed in and is in threaded connection with the bore in the rear section of the probe housing, the circumferential wall surface of the bore hole of the front section of the rear gland nut is of a rear inner conical surface, the outer circumferential surface of the tapered sealing ring is of a rear outer conical surface, and the front section of the rear gland nut is sleeved outside the tapered sealing ring. The blind seal cover and the front gland nut, and the rear gland nut and the tapered sealing ring are cooperated through conical surfaces, and the front and rear ends of the sensor probe achieve sealing and waterproof effects.
Description
Technical field
The utility model relates to a kind of probe of current vortex sensor, relates in particular to a kind of full waterproof current vortex sensor probe.
Background technology
Metal conductor measured is measured apart from the distance of detecting head surface in the ground noncontact of current vortex sensor energy Static and dynamic, high linearity, high resolution ground.Current vortex sensor is good with its reliable long-term working, measurement range is wide, highly sensitive, resolution is high, fast response time, interference resistance by force, be not subject to impact, the advantages of simple structure and simple of the media such as greasy dirt, in the on-line monitoring of large rotating machinery state and fault diagnosis, be used widely.But under some particular surroundings and condition, as in water or have in the water environment of pressure, use current vortex sensor to be greatly affected, even cisco unity malfunction.
The assemblies such as the skeleton in current vortex sensor of the prior art probe, coil, probing shell, protective sleeve be stick with glue connect as a whole; coil and the skeleton of most of probe front end and tail cable outlet is non-watertight or waterproofing pressure; long-time in water or have in the water of pressure and use; water can immerse probe inner skeleton and coil from probe end; also can enter probe coil place from probe tail cable; even by concentric cable, immerse fore-lying device circuit; affect sensor probe performance, even lost efficacy.
The applicant had applied for the patent of front end waterproof piezoelectric vortex flow sensor probe, and this probe front end has adopted that to take blind sealing shroud and front gland nut be primary seal nested structure, can realize good waterproof effect.But through using after checking, the forward end seal of this probe is still compact not, and waterproof effect is also not ideal enough, and rear end do not have water-tight device, and whole probe still exists the problem of water inlet, and the utility model proposes based on this problem just.
Utility model content
The purpose of this utility model provides a kind of full waterproof current vortex sensor probe with regard to being in order to address the above problem.
The utility model is achieved through the following technical solutions above-mentioned purpose:
A kind of full waterproof current vortex sensor probe, comprise probing shell, skeleton, coil and blind sealing shroud, described skeleton, coil and blind sealing shroud are all installed on the front end of described probing shell, the front end closure of described blind sealing shroud, open rearward end, the rear end of described blind sealing shroud extends to form peak ring to periphery, described current vortex sensor probe also comprises front gland nut, rear gland nut and cone-shaped sealing ring, the leading portion external peripheral surface of described probing shell is provided with screw thread, the back segment external peripheral surface of described blind sealing shroud is pre-small post-large front male cone (strobilus masculinus), the leading portion endoporus circumferential wall surface of described front gland nut is front inner conical surface pre-small post-large and that cooperatively interact with described front male cone (strobilus masculinus), the back segment endoporus circumferential wall surface of described front gland nut is provided with screw thread, the leading portion of described front gland nut is set in the back segment of described blind sealing shroud, the back segment of described front gland nut is set in the leading portion of described probing shell and is threaded connection, the back segment endoporus circumferential wall surface of described probing shell is provided with screw thread, the leading portion external peripheral surface of described rear gland nut is provided with screw thread, the leading portion of described rear gland nut is placed in the back segment endoporus of described probing shell and is threaded connection, the leading portion endoporus circumferential wall surface of described rear gland nut is pre-large post-small rear inner conical surface, the external peripheral surface of described cone-shaped sealing ring is rear male cone (strobilus masculinus) pre-large post-small and that cooperatively interact with described rear inner conical surface, the leading portion of described rear gland nut is set in the outside of described cone-shaped sealing ring, the back segment of described rear gland nut is cylindrical and is placed in the outside of described probing shell, the central through hole of described rear gland nut and the central through hole of described cone-shaped sealing ring are all for passing cable.
In said structure, blind sealing shroud is for coated by skeleton and coil sealing, between blind sealing shroud and front gland nut, adopt cone match sealing, its sealing effectiveness is compared cylinder sealing and will obviously be strengthened, by being threaded between front gland nut and probing shell, make between blind sealing shroud and front gland nut, all can realize high pressure sealing between blind sealing shroud and probing shell and be connected, guarantee that the leading portion of sensor probe can not intake; Between rear gland nut and cone-shaped sealing ring, adopt the conical surface to contact, make rear gland nut produce pressure from outside to inside when precession forward, make cone-shaped sealing ring under high pressure be close to the outside surface of cable, thereby realize the efficient sealed of sensor probe back segment.
Further, the front end of described cone-shaped sealing ring extends to form rear shade ring to periphery.Rear shade ring can be realized better sealing between the front end of rear gland nut and the endoporus front bulkhead of probing shell back segment, with the trace infiltration that prevents from better may occurring between the external peripheral surface of rear gland nut and the endoporus circumferential wall surface of probing shell back segment, enters in the through hole in probing shell stage casing.
In order to realize better sealing effectiveness, in described intraskeletal welding cavity, between described skeleton and described blind sealing shroud, between described front gland nut and described blind sealing shroud and described probing shell, between described rear gland nut and described cone-shaped sealing ring and described probing shell, be all perfused with fluid sealant in the central through hole of interior, the described cone-shaped sealing ring of the central through hole central through hole interior, described rear gland nut of described probing shell.
Preferably, described probing shell is Stainless Steel Shell, and described front gland nut and described rear gland nut are stainless steel swivel nut, and described blind sealing shroud is rubber sleeve, and described cone-shaped sealing ring is rubber ring.This structure can take into account high strength, antirust, be threaded and efficient sealed demand.
In order further to improve sealing effectiveness, the outer seam crossing welded seal being threaded between described front gland nut and described probing shell, the outer seam crossing welded seal being threaded between described rear gland nut and described probing shell.
The beneficial effects of the utility model are:
The utility model by adopting cone match to seal between blind sealing shroud and front gland nut, between rear gland nut and cone-shaped sealing ring, adopt the conical surface to contact, make the front-end and back-end of this current vortex sensor probe can realize best sealing and waterproof effect; By by the outer seam crossing welded seal being threaded between front gland nut and probing shell, between rear gland nut and probing shell, and the perfusion of the gap in whole sensor probe fluid sealant, form multi-sealing structure, all there is high-efficiency seal structure each position of guaranteeing this current vortex sensor probe, guarantee enough reliable sealing effectiveness, can in water under high pressure, realize waterproof effect, keep long-time reliably working.
Accompanying drawing explanation
Fig. 1 be full waterproof current vortex sensor probe described in the utility model axially partly cut open structural representation, there is shown cable;
Fig. 2 be full waterproof current vortex sensor probe described in the utility model axially partly cut open package assembly schematic diagram, not shown cable, the arrow in figure represents to assemble direction, in figure, part dimension is less than Fig. 1 correspondingly-sized;
Fig. 3 is the structural representation of cable described in the utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As depicted in figs. 1 and 2, full waterproof current vortex sensor probe described in the utility model comprises probing shell 4, skeleton 2, coil 8, blind sealing shroud 1, front gland nut 3, rear gland nut 6 and cone-shaped sealing ring 5, skeleton 2, coil 8 and blind sealing shroud 1 are all installed on the front end (i.e. left end in figure) of probing shell 4, the front end closure of blind sealing shroud 1, open rearward end, the rear end of blind sealing shroud 1 extends to form peak ring 11 to periphery, the leading portion external peripheral surface of probing shell 4 is provided with housing external thread 43, the back segment external peripheral surface of blind sealing shroud 1 is pre-small post-large front male cone (strobilus masculinus) 12, the leading portion endoporus circumferential wall surface of front gland nut 3 is front inner conical surface 34 pre-small post-large and that cooperatively interact with front male cone (strobilus masculinus) 12, through hole in front inner conical surface 34 is taper hole 31, the back segment of blind sealing shroud 1 is placed in taper hole 31, the back segment endoporus circumferential wall surface of front gland nut 3 is provided with front swivel nut internal thread 32, the leading portion of front gland nut 3 is set in the back segment of blind sealing shroud 1, the back segment of front gland nut 3 is set in the leading portion of probing shell 4 and is threaded connection, the back segment endoporus circumferential wall surface of probing shell 4 is provided with housing internal thread 44, the leading portion external peripheral surface of rear gland nut 6 is provided with rear thread sleeve external thread 63, the leading portion of rear gland nut 6 is placed in the back segment endoporus of probing shell 4 and is threaded connection, the leading portion endoporus circumferential wall surface of rear gland nut 6 is pre-large post-small rear inner conical surface 65, the external peripheral surface of cone-shaped sealing ring 5 is rear male cone (strobilus masculinus) 52 pre-large post-small and that cooperatively interact with rear inner conical surface 65, the front end of cone-shaped sealing ring 5 extends to form rear shade ring 51 to periphery, the leading portion of rear gland nut 6 is set in the outside of cone-shaped sealing ring 5, the back segment of rear gland nut 6 is cylindrical and is placed in the outside of probing shell 4, form rear thread sleeve mounting plate 64, the central through hole 53 of the central through hole of rear gland nut 6 and cone-shaped sealing ring 5 is all for passing cable 7, cable 7 adopts concentric cable, the central through hole of rear gland nut 6 is comprised of the conical through-hole 61 of leading portion and the clear opening 62 of back segment.
The conical through-hole 61 of interior, the rear gland nut 6 of the central through hole 46 of probing shell 4 and clear opening 62 is interior, the interior fluid sealant that is all perfused with of central through hole 53 of cone-shaped sealing ring 5 as depicted in figs. 1 and 2, in the welding cavity in skeleton 2 23, between skeleton 2 and blind sealing shroud 1, between front gland nut 3 and blind sealing shroud 1 and probing shell 4, between rear gland nut 6 and cone-shaped sealing ring 5 and probing shell 4; Probing shell 4 is Stainless Steel Shell, and front gland nut 3 and rear gland nut 6 are stainless steel swivel nut, and blind sealing shroud 1 is rubber sleeve, and cone-shaped sealing ring 5 is rubber ring; The outer seam crossing welded seal being threaded between front gland nut 3 and probing shell 4, the outer seam crossing welded seal being threaded between rear gland nut 6 and probing shell 4.In said structure, fluid sealant and welded structure all do not illustrate in the drawings, but easy to understand.
In Fig. 1 and Fig. 2, also show the wire lead slot 22 for the end line of coil 8 is drawn, be positioned at the front swivel nut mounting plate 33 in front gland nut 3 stage casings, the first annular platform 41 of probing shell 4 front portions, the second annular platform 42, the 3rd annular platform 45 at probing shell 4 rear portions, the housing mounting plate 47 at probing shell 4 rear portions; In Fig. 2, also show the straight blind hole 13 in blind sealing shroud 1, for the coil groove 21 of coil 8 is installed; In Fig. 3, also show screen layer 71 and the heart yearn 72 of cable 7, screen layer 71 with heart yearn 72 for being connected with two signal output parts of coil 8.These structures are all the conventional structures of the current vortex sensor probe applied for a patent of the applicant, do not repeat them here.
As shown in Figure 1, Figure 2 and Figure 3, during assembling, cable 7 is successively through rear gland nut 6, cone-shaped sealing ring 5 and probing shell 4, fluid sealant is poured in the space that is positioned at cable 7 outsides in the central through hole 46 of probing shell 4, the conical through-hole 61 of the central through hole 53 of cone-shaped sealing ring 5, rear gland nut 6 and clear opening 62, between probing shell 4, cone-shaped sealing ring 5 and rear gland nut 6, pour into fluid sealant, gland nut 6 after then compressing; Coil 8 is wound in the coil groove 21 of skeleton 2, two the end of a thread of coil 8 i.e. two signal output parts are drawn from the wire lead slot 22 of skeleton 2, in the welding cavity 23 of skeleton 2, be connected with screen layer 72 with the heart yearn 71 of cable 7, and at the interior perfusion fluid sealant of welding cavity 23, make skeleton 2 fixing with the second annular platform 42 of probing shell 4; Blind sealing shroud 1 is enclosed within on skeleton 2, between skeleton 2 and blind sealing shroud 1, pour into fluid sealant, between front gland nut 3 and blind sealing shroud 1 and probing shell 4, pour into fluid sealant, between front gland nut 3 and probing shell 4, be threaded connection, and make the peak ring 11 of blind sealing shroud 1 and the first annular platform 41 press seals of probing shell 4 front end end faces; The outer seam crossing welded seal being threaded between front gland nut 3 and probing shell 4, the outer seam crossing welded seal being threaded between rear gland nut 6 and probing shell 4.So, complete the assembling of this full waterproof current vortex sensor probe.
Above-described embodiment is preferred embodiment of the present utility model; it is not the restriction to technical solutions of the utility model; so long as the technical scheme that can realize on the basis of above-described embodiment without creative work all should be considered as falling within the scope of the rights protection of the utility model patent.
Claims (5)
1. a full waterproof current vortex sensor is popped one's head in, comprise probing shell, skeleton, coil and blind sealing shroud, described skeleton, coil and blind sealing shroud are all installed on the front end of described probing shell, the front end closure of described blind sealing shroud, open rearward end, the rear end of described blind sealing shroud extends to form peak ring to periphery, it is characterized in that: described current vortex sensor probe also comprises front gland nut, rear gland nut and cone-shaped sealing ring, the leading portion external peripheral surface of described probing shell is provided with screw thread, the back segment external peripheral surface of described blind sealing shroud is pre-small post-large front male cone (strobilus masculinus), the leading portion endoporus circumferential wall surface of described front gland nut is front inner conical surface pre-small post-large and that cooperatively interact with described front male cone (strobilus masculinus), the back segment endoporus circumferential wall surface of described front gland nut is provided with screw thread, the leading portion of described front gland nut is set in the back segment of described blind sealing shroud, the back segment of described front gland nut is set in the leading portion of described probing shell and is threaded connection, the back segment endoporus circumferential wall surface of described probing shell is provided with screw thread, the leading portion external peripheral surface of described rear gland nut is provided with screw thread, the leading portion of described rear gland nut is placed in the back segment endoporus of described probing shell and is threaded connection, the leading portion endoporus circumferential wall surface of described rear gland nut is pre-large post-small rear inner conical surface, the external peripheral surface of described cone-shaped sealing ring is rear male cone (strobilus masculinus) pre-large post-small and that cooperatively interact with described rear inner conical surface, the leading portion of described rear gland nut is set in the outside of described cone-shaped sealing ring, the back segment of described rear gland nut is cylindrical and is placed in the outside of described probing shell, the central through hole of described rear gland nut and the central through hole of described cone-shaped sealing ring are all for passing cable.
2. full waterproof current vortex sensor probe according to claim 1, is characterized in that: the front end of described cone-shaped sealing ring extends to form rear shade ring to periphery.
3. full waterproof current vortex sensor probe according to claim 1, is characterized in that: in described intraskeletal welding cavity, between described skeleton and described blind sealing shroud, between described front gland nut and described blind sealing shroud and described probing shell, between described rear gland nut and described cone-shaped sealing ring and described probing shell, be all perfused with fluid sealant in the central through hole of interior, the described cone-shaped sealing ring of the central through hole central through hole interior, described rear gland nut of described probing shell.
4. according to the full waterproof current vortex sensor probe described in claim 1,2 or 3, it is characterized in that: described probing shell is Stainless Steel Shell, described front gland nut and described rear gland nut are stainless steel swivel nut, and described blind sealing shroud is rubber sleeve, and described cone-shaped sealing ring is rubber ring.
5. full waterproof current vortex sensor according to claim 4 is popped one's head in, it is characterized in that: the outer seam crossing welded seal being threaded between described front gland nut and described probing shell, the outer seam crossing welded seal being threaded between described rear gland nut and described probing shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420151169.2U CN203744914U (en) | 2014-03-31 | 2014-03-31 | Waterproof current vortex sensor probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420151169.2U CN203744914U (en) | 2014-03-31 | 2014-03-31 | Waterproof current vortex sensor probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203744914U true CN203744914U (en) | 2014-07-30 |
Family
ID=51344702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420151169.2U Withdrawn - After Issue CN203744914U (en) | 2014-03-31 | 2014-03-31 | Waterproof current vortex sensor probe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203744914U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103884268A (en) * | 2014-03-31 | 2014-06-25 | 中国工程物理研究院总体工程研究所 | Full-waterproof eddy current sensor probe |
| CN108672521A (en) * | 2018-06-26 | 2018-10-19 | 嘉兴四友金属制品有限公司 | One kind being used for photovoltaic wire drawing machine metering structure |
-
2014
- 2014-03-31 CN CN201420151169.2U patent/CN203744914U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103884268A (en) * | 2014-03-31 | 2014-06-25 | 中国工程物理研究院总体工程研究所 | Full-waterproof eddy current sensor probe |
| CN103884268B (en) * | 2014-03-31 | 2016-04-13 | 中国工程物理研究院总体工程研究所 | A kind of full waterproof current vortex sensor probe |
| CN108672521A (en) * | 2018-06-26 | 2018-10-19 | 嘉兴四友金属制品有限公司 | One kind being used for photovoltaic wire drawing machine metering structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140730 Effective date of abandoning: 20160413 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |