CN220172541U - Emergency sleeve - Google Patents
Emergency sleeve Download PDFInfo
- Publication number
- CN220172541U CN220172541U CN202321488667.1U CN202321488667U CN220172541U CN 220172541 U CN220172541 U CN 220172541U CN 202321488667 U CN202321488667 U CN 202321488667U CN 220172541 U CN220172541 U CN 220172541U
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- CN
- China
- Prior art keywords
- sleeve
- inner sleeve
- emergency
- contact finger
- conductive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000005489 elastic deformation Effects 0.000 claims abstract description 6
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 230000003247 decreasing effect Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 10
- 230000007423 decrease Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 210000002421 cell wall Anatomy 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The utility model discloses an emergency sleeve, which relates to the field of electric sleeves, and comprises an insulating shell, a conducting rod and a conducting plug-in unit, wherein the conducting rod is arranged inside the insulating shell, two ends of the conducting rod are provided with connecting ends exposed out of the insulating shell, and the connecting ends are provided with mounting holes; the conductive plug-in comprises an outer sleeve and an inner sleeve, the outer sleeve is fixedly connected with the wall of the mounting hole, one end of the inner sleeve is connected with one end of the outer sleeve at the opening of the mounting hole, the inner sleeve is positioned inside the outer sleeve and is provided with a space between the inner sleeve and the outer sleeve, the inner sleeve has elastic deformation capability, the inner diameter of the inner sleeve is slightly smaller than the outer diameter of the contact finger, and the contact finger is inserted into the inner side of the inner sleeve. The emergency sleeve can effectively ensure the connection tightness with the contact finger, improve the installation convenience and reduce the requirement on the size of the component.
Description
Technical Field
The utility model relates to the field of electric bushings, in particular to an emergency bushing.
Background
The emergency sleeve is a tubular material for protecting wires and cables, is usually made of flexible polyvinyl chloride (PVC), and has the characteristics of water resistance, dust resistance, corrosion resistance, high temperature resistance and the like. The emergency sleeve is mainly used for repairing, connecting and protecting wires and cables, and is widely applied to the electric power field.
In the related art, emergent sleeve pipe includes insulating cover and sets up the conducting rod in insulating cover, the conducting rod both ends are equipped with conductive slot, conductive slot is used for supplying the contact finger to peg graft transmission of electricity, wherein, contact finger and conductive slot's cell wall is fixed relatively through tight connection mainly, but, contact finger and conducting rod are rigid structure, deformability is poor, the cooperation is too loose and connect unstably easily appears, the cooperation is too tight and the inconvenient problem of installation, in order to guarantee the fastness and the smoothness of connection, the requirement is strict to contact finger and conductive slot size during production, the production degree of difficulty is great, and the operation degree of difficulty during installation is great.
Disclosure of Invention
(one) solving the technical problems
The utility model provides an emergency sleeve, which solves the technical problems that: how to ensure the connection tightness of the conducting rod and the contact finger and promote the installation convenience.
(II) technical scheme
In order to solve the technical problems, the utility model provides the following technical scheme:
an emergency cannula comprising:
an insulating housing;
the conducting rod is arranged inside the insulating shell, connecting ends exposed out of the insulating shell are arranged at two ends of the conducting rod, and mounting holes are formed in the connecting ends;
the conductive plug-in comprises an outer sleeve and an inner sleeve, the outer sleeve is fixedly connected with the hole wall of the mounting hole, one end of the inner sleeve is connected with one end of the outer sleeve at the opening of the mounting hole, the inner sleeve is positioned inside the outer sleeve and is provided with a space with the outer sleeve, the inner sleeve has elastic deformation capability, the inner diameter of the inner sleeve is slightly smaller than the outer diameter of a contact finger, and the contact finger is inserted into the inner side of the inner sleeve.
In some embodiments, the conductive insert is provided with a guiding opening at the connection part of the outer sleeve and the inner sleeve, and the caliber of the guiding opening gradually decreases along the plugging direction of the contact finger.
In some embodiments, the inner sleeve is provided with an annular step, and the emergency sleeve further comprises a conductive wristband positioned on the annular step.
In some embodiments, one end of the inner sleeve, which is away from the connection point with the outer sleeve, is provided with a tapered section, and the inner diameter of the tapered section gradually decreases along the contact finger plugging direction.
In some embodiments, the conductive insert further comprises an annular gasket located between the outer sleeve and the inner sleeve, the gasket being disposed concentric with the inner sleeve for defining a deformation range of the inner sleeve.
In some embodiments, the insulative housing includes a plug-mating segment outside the conductive insert, the plug-mating segment having an outer diameter that increases gradually in the finger mating direction.
In some embodiments, the insulating housing includes a flange that is circular.
In some embodiments, a live display interface is also included on the insulating housing, the interface being a pin pair interface.
(III) beneficial effects
Compared with the prior art, the emergency sleeve provided by the utility model has the following beneficial effects:
this emergent sleeve pipe adds electrically conductive plug-in components in order to connect the contact finger, electrically conductive plug-in components's outer tube is connected in advance in the mounting hole of conducting rod, forms electrically conductive integral structure with the conducting rod, when the contact finger is installed, the contact finger inserts the interior sleeve pipe, because interior sleeve pipe internal diameter slightly is less than the external diameter of contact finger, and interior sleeve pipe has elastic deformation ability, interior sleeve pipe can be according to the appropriate elastic expansion of contact finger size, make things convenient for the contact finger to insert, reduce the operation degree of difficulty, simultaneously, interior sleeve pipe is tightly connected with the contact finger through the elasticity that elastic expansion produced, promote the compactness of connection. It can be seen that the emergency sleeve can effectively ensure the connection tightness with the contact finger, improve the installation convenience and reduce the requirement on the size of the component.
Drawings
FIG. 1 is a front view of an emergency sleeve according to an embodiment;
FIG. 2 is a cross-sectional view of an embodiment conductive insert;
fig. 3 is a perspective view of an emergency sleeve in an embodiment.
Reference numerals: the plug comprises an insulating shell 1, a conductive rod 2, a conductive plug-in 3, a plug matching section 11, a flange 12, a live display interface 13, a mounting hole 20, an outer sleeve 31, an inner sleeve 32, a guide opening 33, an annular step 34, a conductive watchband 35, a tapered section 36 and a gasket 37.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
In the related art, emergent sleeve pipe includes insulating cover and sets up the conducting rod in insulating cover, the conducting rod both ends are equipped with conductive slot, conductive slot is used for supplying the contact finger to peg graft transmission of electricity, wherein, contact finger and conductive slot's cell wall is fixed relatively through tight connection mainly, but, contact finger and conducting rod are rigid structure, deformability is poor, the cooperation is too loose and connect unstably easily appears, the cooperation is too tight and the inconvenient problem of installation, in order to guarantee the fastness and the smoothness of connection, the requirement is strict to contact finger and conductive slot size during production, the production degree of difficulty is great, and the operation degree of difficulty during installation is great.
Referring to fig. 1, 2 and 3, fig. 1 is a front view of an emergency sleeve according to an embodiment, fig. 2 is a cross-sectional view of an embodiment of a conductive insert, and fig. 3 is a perspective view of an embodiment of an emergency sleeve.
To solve the above-mentioned problem, this embodiment provides an emergency sleeve, including: an insulating housing 1, a conductive rod 2 and a conductive insert 3.
The insulating case 1 is not conductive and may be made of epoxy resin.
The conducting rod 2 is arranged inside the insulating shell 1, and two ends of the conducting rod are provided with connecting ends exposed out of the insulating shell 1, and the connecting ends are provided with mounting holes 20.
The conductive rod 2 is used for being electrically connected with the contact finger and realizing a conductive function, and the mounting hole 20 of the conductive rod 2 is used for mounting the conductive plug-in 3.
The conductive plug-in unit 3 comprises an outer sleeve 31 and an inner sleeve 32, wherein the outer sleeve 31 is fixedly connected with the wall of the mounting hole 20, one end of the inner sleeve 32 is connected with one end of the outer sleeve 31 at the opening of the mounting hole 20, the inner sleeve 32 is positioned inside the outer sleeve 31 and is provided with a space with the outer sleeve 31, the inner sleeve 32 has elastic deformation capability, the inner diameter of the inner sleeve 32 is slightly smaller than the outer diameter of a contact finger, and the contact finger is inserted into the inner side of the inner sleeve 32.
The conductive plug-in 3 has conductive capability and can be an integral formed piece made of conductive metal materials; the outer sleeve 31 is used for connecting the conductive rod 2, is in contact with the conductive rod 2 and is conductive, and can be fixed relative to the conductive rod 2 in a local bonding mode; the inner sleeve 32 is used for connecting with the contact finger to conduct electricity, the inner sleeve 32 can be arranged coaxially with the outer sleeve 31, and the inner sleeve 32 can expand towards the outer sleeve 31 due to the interval between the inner sleeve 31 and the outer sleeve 31.
During operation of the emergency sleeve of the technical scheme, the outer sleeve 31 of the conductive plug-in unit 3 is connected in the mounting hole 20 of the conductive rod 2 in advance, a conductive integrated structure is formed with the conductive rod 2, when the contact finger is mounted, the contact finger is inserted into the inner sleeve 32, since the inner diameter of the inner sleeve 32 is slightly smaller than the outer diameter of the contact finger, and the inner sleeve 32 has elastic deformation capability, the inner sleeve 32 can be elastically expanded according to the contact finger size, so that the contact finger is convenient to insert, and meanwhile, the inner sleeve 32 is tightly connected with the contact finger through elastic force generated by the elastic expansion, so that the connection tightness is improved. It can be seen that the emergency sleeve of this embodiment can effectively guarantee the compactness of being connected with the contact finger to promote the convenience of installation, reduce the requirement to the part size.
Referring to fig. 2, in order to facilitate insertion of the contact fingers into the inner sleeve 32, the conductive insert 3 is provided with a guide opening 33 at the junction of the outer sleeve 31 and the inner sleeve 32, and the caliber of the guide opening 33 gradually decreases along the insertion direction of the contact fingers. The guide opening 33 may be formed by a connecting section integrally formed between the inner sleeve 32 and the outer sleeve 31.
Referring to fig. 1 and 2, in order to enhance the maximum current carrying capacity, the inner sleeve 32 is provided with an annular step 34, and the emergency sleeve further includes a conductive watchband 35 located on the annular step 34, wherein the number of the annular step 34 and the conductive watchband 35 can be set according to needs, for example, two conductive watchbands 35 can be integrally formed on the inner sleeve 32.
Referring to fig. 2, in order to further enhance the tightness of the connection between the contact finger and the inner sleeve 32, the end of the inner sleeve 32 facing away from the connection with the outer sleeve 31 is provided with a tapered section 36, and the inner diameter of the tapered section 36 gradually decreases along the contact finger plugging direction. The ends of the fingers may also be provided as tips that mate with the tapered section 36, which tips cooperate with the tapered section 36 to also perform a centering function.
Referring to fig. 1 and 2, to avoid that the inner sleeve 32 and the contact fingers deviate from the axis, the conductive insert 3 further includes an annular gasket 37 located between the outer sleeve 31 and the inner sleeve 32, the gasket 37 is concentrically arranged with the inner sleeve 32 to define the deformation range of the inner sleeve 32, the gasket 37 expands the inner sleeve 32 in a certain range and supports the inner sleeve 32, the gasket 37 also defines the inclination of the inner sleeve 32, and the problem of the eccentric of the inner sleeve 32 is solved.
Referring to fig. 1, in some embodiments, the insulating housing 1 includes a plug-fitting section 11 located outside the conductive insert 3, where the outer diameter of the plug-fitting section 11 gradually increases along the finger plugging direction, and as shown in the drawing, the included angle between the outer side surface of the plug-fitting section 11 and the horizontal plane may be 85 degrees, so as to reduce the volume and stabilize the electrical property.
Referring to fig. 1, in order to improve the convenience of installation, the insulating housing 1 includes a flange 12, and the flange 12 is circular and can be integrally formed on the insulating housing 1. The circular flange 12 has the functions of balancing the electric field and facilitating installation.
Referring to fig. 1, the emergency sleeve further comprises an electrified display interface 13 positioned on the insulating housing 1, wherein the electrified display interface is a pin type butt joint, and the emergency sleeve is convenient to install and reliable in contact.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. An emergency sleeve, comprising:
an insulating housing;
the conducting rod is arranged inside the insulating shell, connecting ends exposed out of the insulating shell are arranged at two ends of the conducting rod, and mounting holes are formed in the connecting ends;
the conductive plug-in comprises an outer sleeve and an inner sleeve, the outer sleeve is fixedly connected with the hole wall of the mounting hole, one end of the inner sleeve is connected with one end of the outer sleeve at the opening of the mounting hole, the inner sleeve is positioned inside the outer sleeve and is provided with a space with the outer sleeve, the inner sleeve has elastic deformation capability, the inner diameter of the inner sleeve is slightly smaller than the outer diameter of a contact finger, and the contact finger is inserted into the inner side of the inner sleeve.
2. The emergency sleeve according to claim 1, wherein the conductive insert is provided with a guiding opening at the junction of the outer sleeve and the inner sleeve, the caliber of the guiding opening gradually decreasing along the contact finger plugging direction.
3. The emergency sleeve of claim 1 wherein said inner sleeve has an annular step thereon, said emergency sleeve further comprising a conductive wristband on said annular step.
4. The emergency sleeve according to claim 1, wherein the end of the inner sleeve facing away from the connection with the outer sleeve is provided with a tapering section, the inner diameter of which tapers in the direction of the finger insertion.
5. The emergency sleeve of claim 1, wherein the electrically conductive insert further comprises an annular gasket located between the outer sleeve and the inner sleeve, the gasket being concentric with the inner sleeve for defining a deformation range of the inner sleeve.
6. The emergency sleeve of claim 1, wherein the insulating housing includes a plug-mating section outside the conductive insert, the plug-mating section having an outer diameter that increases gradually in a finger insertion direction.
7. The emergency sleeve of claim 1 wherein said insulating housing includes a flange, said flange being circular.
8. The emergency cannula of claim 1, further comprising a live display interface on the insulating housing, the interface being a pin pair interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321488667.1U CN220172541U (en) | 2023-06-12 | 2023-06-12 | Emergency sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321488667.1U CN220172541U (en) | 2023-06-12 | 2023-06-12 | Emergency sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220172541U true CN220172541U (en) | 2023-12-12 |
Family
ID=89051665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321488667.1U Active CN220172541U (en) | 2023-06-12 | 2023-06-12 | Emergency sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220172541U (en) |
-
2023
- 2023-06-12 CN CN202321488667.1U patent/CN220172541U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |