CN208873555U

CN208873555U - A kind of insulating sleeve that stretch-proof effect is good

Info

Publication number: CN208873555U
Application number: CN201821775083.1U
Authority: CN
Inventors: 陈泽文; 陈诗
Original assignee: Jiangxi Tongda Hongji Industrial Co Ltd
Current assignee: Jiangxi Tongda Hongji Industrial Co Ltd
Priority date: 2018-10-31
Filing date: 2018-10-31
Publication date: 2019-05-17
Anticipated expiration: 2028-10-31

Abstract

The utility model relates to insulating sleeve technical fields, and disclose a kind of insulating sleeve that stretch-proof effect is good, including ring interface, the bottom of the ring interface is fixedly connected with insulation connection ring, the outside of the insulation connection ring is fixedly connected with docking fixed ring, the bottom of the ring interface is connected with insulating coating pipe, and the bottom of ring interface described in bottom is connected with the fixation iron hoop connecting with insulating coating pipe external activity.The good insulating sleeve of the stretch-proof effect, stretch resistant tube is connected with by the internal activity of setting insulation inner sleeve, and stretch resistant tube is chance cast iron pipe, insulating layer is enclosed with outside it, its intensity is higher, achieve the effect that prevent force-extension isolated pipe, the inside by insulating coating pipe includes etch resistant layer, fireprotection layer, waterproof layer and high insulation, and the insulating sleeve can effectively be avoided the situation for causing insulating sleeve aging to make stretch-resistance bad because of environmental problem occur.

Description

A kind of insulating sleeve that stretch-proof effect is good

Technical field

The utility model relates to insulating sleeve technical field, specially a kind of insulating sleeve that stretch-proof effect is good.

Background technique

Insulating sleeve is one kind of insulating materials, has glass fiber insulating sleeve, PVC casing and thermal shrinkable sleeve in electrical material Wall bushing is often made with true procelain or insulation resin in pipe etc., is used for 35 kilovolts and following voltage class, and insulating part is tubulose, Middle part clamps or mucilage binding flange is to be fixed on perforated wall, and flange is generally gray cast iron, when operating current is greater than 1500 ampere-hours For common non-magnetic material to reduce fever, the insulation system of single insulating casing, which is divided into, air chamber and short-circuit two classes of air chamber.

Make dielectric with oil or gas, is made generally in bushing shell for transformer or breaker casing, is usually used in 35 kilovolts or less Voltage class, inner cavity between the conductor and insulator of compound insulating sleeve is full of transformer oil, plays radial insulation, work as voltage When more than 35 kilovolts, set is on conductor with insulation tube or packet cable, and to reinforce insulating, the conductor structure of compound insulating sleeve has Cable formula and two kinds of guide rod type are worn, cable formula is worn and utilizes the outgoing cable of transformer directly through casing, it is easy for installation.

Insulating sleeve may receive difference in artificial or unexpected situation during installation and use The stretching of degree, to make the integral strength of insulating sleeve be destroyed, so that the service life of insulating sleeve drops significantly It is low, so propose a kind of insulating sleeve that stretch-proof effect is good solve the problems, such as it is above-mentioned proposed in.

Utility model content

(1) the technical issues of solving

In view of the deficiencies of the prior art, the utility model provides a kind of insulating sleeve that stretch-proof effect is good, has anti- The advantages that stretching, solves the problems, such as to make the reduction of insulating sleeve service life because of stretching.

(2) technical solution

For the purpose for realizing above-mentioned stretch-proof, the utility model provides the following technical solutions: a kind of stretch-proof effect is good Insulating sleeve, including ring interface, the bottom of the ring interface are fixedly connected with insulation connection ring, the insulation connection ring Outside is fixedly connected with docking fixed ring, and the bottom of the ring interface is connected with insulating coating pipe, annular described in bottom The bottom of interface is connected with the fixation iron hoop connecting with insulating coating pipe external activity, and the inside of the insulating coating pipe is solid Surely it is connected with insulation inner sleeve, the internal activity of the insulation inner sleeve is connected with stretch resistant tube, the edge inner sleeve and tension It stretches pipe to be flexibly connected by clamping ring, the inside of the insulating coating pipe includes etch resistant layer, fireprotection layer, waterproof layer and high insulation Layer, it is fixedly connected with fireprotection layer on the right side of the etch resistant layer, waterproof layer is fixedly connected on the right side of the fireprotection layer, it is described anti- High insulation is fixedly connected on the right side of water layer.

Preferably, the shape of the ring interface be in circular ring shape, and quantity be two, two ring interfaces respectively with insulation It is fixedly connected at the top and bottom of connection ring, and offers the slot that is screwed inside the ring interface at top.

Preferably, the insulating coating pipe is PVC casing, outer diameter 50mm, and offering at the top of insulating coating pipe The abutting joint slot being connect with insulation connection ring internal activity.

Preferably, the fixed iron hoop be gray cast iron ring, outer diameter 60mm, and fixation iron hoop outside be enclosed with insulation Protective layer.

Preferably, the insulation inner sleeve is glass fiber insulating sleeve, outer diameter 40mm, and the interior of inner sleeve that insulate The clamping groove for offering on wall and being clamped outside clamping ring.

Preferably, the etch resistant layer is layer of PVC, and its external spray has anticorrosive coating, and the fireprotection layer is insulation Casing, the etch resistant layer and fireprotection layer thickness are 2mm to 4mm.

Preferably, the waterproof layer is layer of PVC, and its external spray has water-repellent paint, and the high insulation is glass fibers Layer is tieed up, the waterproof layer and high insulation thickness are 2mm to 4mm.

(3) beneficial effect

Compared with prior art, the utility model provides a kind of insulating sleeve that stretch-proof effect is good, and having following has Beneficial effect:

1, the good insulating sleeve of the stretch-proof effect is connected with stretch-proof by the internal activity of setting insulation inner sleeve Pipe, and stretch resistant tube be chance cast iron pipe, outside be enclosed with insulating layer, intensity is higher, and having reached prevents force-extension exhausted The effect of edge pipeline, by offering the abutting joint slot connecting with insulation connection ring internal activity at the top of insulating coating pipe, The installation of insulating coating pipe can be made more firm.

2, the good insulating sleeve of the stretch-proof effect, the inside by insulating coating pipe include etch resistant layer, fireprotection layer, prevent Water layer and high insulation can effectively avoid the insulating sleeve from occurring because environmental problem causes insulating sleeve aging to make stretch-proof Property bad situation, fixed iron hoop is connected with by the junction of ring interface and insulating coating pipe, and fixed iron hoop Outside is enclosed with insulating protective layer, can effectively enhance the globality and insulating capacity of interface, by insulation inner sleeve The clamping groove for offering on wall and being clamped outside clamping ring can be effectively reduced insulation inner sleeve and install unsteady probability, from And effective solution the problem of reducing insulating sleeve service life because of stretching.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the utility model structure sectional view；

Fig. 3 is the enlarged structure schematic diagram of A shown in the utility model Fig. 2.

In figure: in 1 ring interface, 2 insulation connection rings, 3 docking fixed rings, 4 insulating coating pipes, 5 fixed iron hoops, 6 are insulated Casing, 7 stretch resistant tubes, 8 clamping rings, 9 etch resistant layers, 10 fireprotection layers, 11 waterproof layers, 12 high insulations.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Please refer to Fig. 1-3, a kind of insulating sleeve that stretch-proof effect is good, including ring interface 1, the bottom of ring interface 1 It is fixedly connected with insulation connection ring 2, the shape of ring interface 1 is in circular ring shape, and quantity is two, and two ring interfaces 1 are distinguished It is fixedly connected with the top and bottom of insulation connection ring 2, and offers the slot that is screwed inside the ring interface 1 at top, insulated The outside of connection ring 2 is fixedly connected with docking fixed ring 3, and the bottom of ring interface 1 is connected with insulating coating pipe 4, insulate Outer tube 4 is that PVC casing, outer diameter 50mm, and the top of insulating coating pipe 4 offer and insulation 2 internal activity of connection ring The abutting joint slot of connection, the bottom of base circle interface 1 are connected with the fixation connecting with 4 external activity of insulating coating pipe Iron hoop 5, fixed iron hoop 5 are gray cast iron ring, outer diameter 60mm, and the outside of fixed iron hoop 5 is enclosed with insulating protective layer, insulate The inside of outer tube 4 is fixedly connected with insulation inner sleeve 6, and the internal activity of insulation inner sleeve 6 is connected with stretch resistant tube 7, in edge Casing 6 and stretch resistant tube 7 are flexibly connected by clamping ring 8, and insulation inner sleeve 6 is glass fiber insulating sleeve, and outer diameter is 40mm, and offered on the inner wall for the inner sleeve 6 that insulate and be clamped the clamping groove being clamped outside ring 8, the inside packet of insulating coating pipe 4 Etch resistant layer 9, fireprotection layer 10, waterproof layer 11 and high insulation 12 are included, etch resistant layer 9 is layer of PVC, and its external spray has anti-corrosion Coating is lost, fireprotection layer 10 is insulating sleeve, and the etch resistant layer 9 and 10 thickness of fireprotection layer are 2mm to 4mm, and waterproof layer 11 is PVC Layer, and its external spray has water-repellent paint, high insulation 12 is glass layer, and the waterproof layer 11 and 12 thickness of high insulation are equal For 2mm to 4mm, the right side of etch resistant layer 9 is fixedly connected with fireprotection layer 10, and the right side of fireprotection layer 10 is fixedly connected with waterproof layer 11, the right side of waterproof layer 11 is fixedly connected with high insulation 12, and the good insulating sleeve of the stretch-proof effect passes through insulating coating pipe 4 inside includes etch resistant layer 9, fireprotection layer 10, waterproof layer 11 and high insulation 12, and the insulating sleeve can effectively be avoided to occur Because of the situation that environmental problem causes insulating sleeve aging to make stretch-resistance bad, pass through ring interface 1 and insulating coating pipe 4 Junction is connected with fixed iron hoop 5, and the outside of fixed iron hoop 5 is enclosed with insulating protective layer, can effectively enhance interface The globality and insulating capacity at place, offer on the inner wall by the inner sleeve 6 that insulate with the clamping groove that is clamped outside clamping ring 8, It can be effectively reduced insulation inner sleeve 6 and unsteady probability be installed, so that effective solution uses insulating sleeve because of stretching The problem of service life reduction.

In conclusion the insulating sleeve that the stretch-proof effect is good, is connected with by the internal activity of setting insulation inner sleeve 6 Stretch resistant tube 7, and stretch resistant tube 7 is chance cast iron pipe, outside be enclosed with insulating layer, intensity is higher, reached prevent it is outer Power stretches the effect of isolated pipe, offers pair connecting with insulation 2 internal activity of connection ring by the top of insulating coating pipe 4 Mounting groove is connect, the installation of insulating coating pipe 4 can be made more firm.

Also, the good insulating sleeve of the stretch-proof effect, the inside by insulating coating pipe 4 include etch resistant layer 9, fire prevention Layer 10, waterproof layer 11 and high insulation 12 can effectively avoid the insulating sleeve from occurring because environmental problem causes insulating sleeve old Change so that the bad situation of stretch-resistance, is connected with fixed iron hoop by the junction of ring interface 1 and insulating coating pipe 4 5, and the outside of fixed iron hoop 5 is enclosed with insulating protective layer, can effectively enhance the globality and insulating capacity of interface, pass through The clamping groove for offering on the inner wall of insulation inner sleeve 6 and being clamped outside clamping ring 8 can be effectively reduced insulation inner sleeve 6 and pacify Unsteady probability is filled, thus the problem of effective solution reduces insulating sleeve service life because of stretching.

It should be noted that the terms "include", "comprise" or its any other variant are intended to the packet of nonexcludability Contain, so that the process, method, article or equipment for including a series of elements not only includes those elements, but also including Other elements that are not explicitly listed, or further include for elements inherent to such a process, method, article, or device. In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including the element Process, method, article or equipment in there is also other identical elements.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims

1. a kind of insulating sleeve that stretch-proof effect is good, including ring interface (1), it is characterised in that: the ring interface (1) Bottom is fixedly connected with insulation connection ring (2), and the outside of insulation connection ring (2) is fixedly connected with docking fixed ring (3), institute The bottom for stating ring interface (1) is connected with insulating coating pipe (4), and the bottom of ring interface (1) described in bottom is flexibly connected There is the fixation iron hoop (5) connecting with insulating coating pipe (4) external activity, the inside of the insulating coating pipe (4) is fixedly connected with Insulate inner sleeve (6), it is described insulation inner sleeve (6) internal activity be connected with stretch resistant tube (7), the edge inner sleeve (6) and Stretch resistant tube (7) is flexibly connected by clamping ring (8), and the inside of the insulating coating pipe (4) includes etch resistant layer (9), fire prevention Layer (10), waterproof layer (11) and high insulation (12) are fixedly connected with fireprotection layer (10), institute on the right side of the etch resistant layer (9) It states and is fixedly connected on the right side of fireprotection layer (10) waterproof layer (11), be fixedly connected with high insulation on the right side of the waterproof layer (11) (12).

2. a kind of good insulating sleeve of stretch-proof effect according to claim 1, it is characterised in that: the ring interface (1) shape be in circular ring shape, and quantity be two, two ring interfaces (1) respectively with insulation connection ring (2) top and bottom It is fixedly connected, and offers the slot that is screwed inside the ring interface (1) at top.

3. a kind of good insulating sleeve of stretch-proof effect according to claim 1, it is characterised in that: the insulating coating pipe It (4) is PVC casing, outer diameter 50mm, and offered at the top of insulating coating pipe (4) and insulation connection ring (2) internal activity The abutting joint slot of connection.

4. a kind of good insulating sleeve of stretch-proof effect according to claim 1, it is characterised in that: the fixed iron hoop It (5) is gray cast iron ring, outer diameter 60mm, and the outside of fixed iron hoop (5) is enclosed with insulating protective layer.

5. a kind of good insulating sleeve of stretch-proof effect according to claim 1, it is characterised in that: the insulation inner sleeve It (6) is glass fiber insulating sleeve, outer diameter 40mm, and offered on the inner wall of insulation inner sleeve (6) with clamping ring (8) outside The clamping groove of portion's clamping.

6. a kind of good insulating sleeve of stretch-proof effect according to claim 1, it is characterised in that: the etch resistant layer (9) be layer of PVC, and its external spray has an anticorrosive coating, the fireprotection layer (10) is insulating sleeve, the etch resistant layer (9) and Fireprotection layer (10) thickness is 2mm to 4mm.

7. a kind of good insulating sleeve of stretch-proof effect according to claim 1, it is characterised in that: the waterproof layer (11) For layer of PVC, and its external spray has water-repellent paint, and the high insulation (12) is glass layer, the waterproof layer (11) and height Insulating layer (12) thickness is 2mm to 4mm.