CN214203343U - Insulating sheath - Google Patents

Abstract

The utility model discloses an insulating sheath, including the sheath main part, the sheath main part divide into first components of a whole that can function independently and second components of a whole that can function independently along axial cross section, and the connection limit that first components of a whole that can function independently and second components of a whole that can function independently are connected and are made the sheath main part can be automatic closed, and the sheath main part of closure state has and holds the chamber, and the head of sheath main part sets up first through-hole, and the afterbody of sheath main part sets up the second through-hole, and first through-hole and second through-hole are cut apart and with holding the chamber intercommunication by axial cross section respectively. This insulating sheath possesses "from installation" characteristic, and during actual construction, the operation personnel lift insulating sheath and send to the target location, and insulating sheath can accomplish the protection installation to the electrified target automatically, can be when preventing distribution lines bird pest tripping operation, realizes insulating sheath big batch, electrified installation high efficiency, reduces the installation degree of difficulty and installation cost.

Description

Insulating sheath

Technical Field

The application relates to the technical field of distribution insulating equipment, in particular to an insulating sheath.

Background

The equipment layout is naturally suitable for birds to nest on the distribution network post, the distance between the inlet and outlet lines of the equipment is short, the bird nest is provided with materials such as branches, iron wires and building metal waste, the bird nest touches the electrified part after falling, and the equipment is easily bridged mutually or mutually to cause circuit tripping. For preventing distribution lines bird pest tripping operation, the main stream scheme at present adopts insulating sheath to carry out the cladding to the electrified position of equipment, and the main material of insulating sheath is rubber on the market, and the product is mostly the overlap edge structure, and overlap edge trompil is through plastics rivet fixed connection.

Traditional rubber insulation sheath generally need have a power failure just can the construction operation, if live-line installation, need carry out abundant insulating protection before the construction to need to use special equipment such as insulating operation car, the operating personnel need dress multilayer protective gloves simultaneously, has further increased traditional rubber insulation sheath to the hole and the degree of difficulty of wearing the rivet, and the efficiency of construction is very low. On the other hand, each power supply company of the insulation operation vehicle is limited in configuration, only one or two insulation operation vehicles are normally arranged, and in addition, due to terrain limitation, the insulation operation vehicle cannot reach in some areas, so that the traditional insulation sheath cannot be installed in a large-scale and high-efficiency mode in a live mode, and construction is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at not enough to prior art, the utility model aims at providing an insulating sheath, this insulating sheath possess "from installing" characteristic, and during actual construction, the operation personnel lift insulating sheath and send to the target location, and insulating sheath can accomplish the protection installation to the electrified target automatically, can realize insulating sheath big batch, high efficiency installation when preventing distribution lines bird pest tripping operation, reduces the installation degree of difficulty and cost.

In order to achieve the above object, the present invention adopts the following technical means: the utility model provides an insulating sheath includes the sheath main part, and the sheath main part divide into first components of a whole that can function independently and second components of a whole that can function independently along axial cross section, and the connection limit that first components of a whole that can function independently and second components of a whole that can function independently connect and make the sheath main part can be automatic closed, and the sheath main part of closure state has and holds the chamber, and the head of sheath main part sets up first through-hole, and the afterbody of sheath main part sets up the second through-hole, and first through-hole and second through-hole are cut apart and with holding. The sheath main body of the insulating sheath is connected by the elastic connecting piece, the sheath main body can be automatically closed in an opened state, the closing strength is high, and the sheath main body cannot be easily opened, so that the self-installation of the insulating sheath is realized. The operation personnel lift insulating sheath and send to the target location, and insulating sheath can accomplish the protection installation to the electrified target automatically, can realize insulating sheath and install big batch, high efficiency when preventing distribution lines bird pest tripping operation, reduces the installation degree of difficulty and cost.

Preferably, the elastic connection is a spring hinge or a torsion spring. The spring in the elastic connecting piece can make the sheath body close automatically and the closed state is stable. The spring hinge is a hinge which can automatically close the sheath main body after being opened and is attached with a spring. The torsion spring is also called a torsion spring, and is a cylindrical coil spring for bearing torsion moment. It uses lever principle, and makes it have great mechanical energy by twisting or rotating the elastic material with soft material and high toughness, and is a spring bearing torsional deformation. The end structure of the torsion spring is processed into torsion arms with various shapes, from single torsion to double torsion, and even the deformation of various torsion bars, and the end structure is formed according to the design.

Preferably, the sheath body is an insulating material. The main body of the protective sleeve is insulated, so that the materials such as branches, iron wires and building metal garbage of the bird nest can be prevented from touching the electrified part after falling, and the problem of line tripping caused by inter-phase or inter-phase bridging of equipment is avoided.

Preferably, the sheath further comprises a connecting member provided on the sheath main body to be fitted with the mounting lever. The connecting parts can install the insulating sheath at a required position at intervals, and the insulating sheath does not need to be directly contacted with an installation target by constructors, so that the operation safety is improved, and the installation of the insulating sheath is facilitated.

Preferably, the connecting part is a connecting plate vertically arranged on the connecting edge of the first split body or the connecting edge of the second split body, and the connecting plate is provided with a connecting hole. The connecting part is positioned on the connecting edge of the first split body or the connecting edge of the second split body and can be positioned in the middle of the insulating sheath in an open state, the operating rod is installed to clamp the insulating sheath, the insulating sheath is lifted to an installation target, the stress of the first split body and the stress of the second split body are balanced, and the operation is more stable.

Preferably, the head of the sheath main body is a hemisphere, the head of the first split body and the head of the second split body are respectively a quarter sphere, and the head of the sheath main body is provided with a first through hole along the axial section. The first through hole is used for routing, and the first through hole can adapt to the various forms of installation target, encircle the line of walking of multiple angle for the arc hole.

Preferably, the central angle of the first through hole is greater than or equal to 180 degrees, so that the wires in all directions of the installation target can be ensured to extend out of the insulating sheath.

Preferably, in the first through hole, a flexible shield is fixedly arranged at the edge of the first split body and/or the second split body along the axial section, and the flexible shield covers the first through hole. The flexible protective cover shields the first through hole, so that sundries can be prevented from falling into the protective cover, the flexible protective cover can be deformed when contacting with the live equipment to cause electrical hidden trouble, and a space for wiring can be reserved.

Preferably, the edge of the flexible shield is a toothed structure. After the flexible shield of the tooth-shaped structure is penetrated by the lead, the first through hole can be shielded, and no large gap exists in the area of the first through hole.

Preferably, the edge of the flexible shield connected with the sheath main body is provided with a protrusion, the sheath main body is correspondingly provided with a fixing hole, and the protrusion penetrates through the fixing hole and is fixed by the fixing plug so that the flexible shield is installed on the sheath main body. The installation mode between the flexible shield and the sheath main body is simple and firm, the operation is convenient, and the cost is lower.

Preferably, the tail part of the sheath main body is provided with a limiting mechanism which is connected with the first split body and the second split body and can keep the first split body and the second split body in a fixed position in an opening state. The setting of stop gear makes first components of a whole that can function independently and second components of a whole that can function independently under the state of opening, overcomes elastic connection spare's resilience force and makes the sheath main part remain the stable open mode, when the installation, and convenient easy operation more can realize quick installation.

Preferably, the limiting mechanism comprises a first limiting rod and a second limiting rod, one end of the first limiting rod is movably arranged on the first split body, one end of the second limiting rod is movably arranged on the second split body, the other end of the first limiting rod is movably connected with the other end of the second limiting rod, and when the included angle between the first limiting rod and the second limiting rod is 180 degrees, the first limiting rod and the second limiting rod are kept fixed in position. The limiting mechanism is simple in structure, ingenious in installation and convenient to realize, and meanwhile, the installation of the sheath main body cannot be obstructed.

Preferably, one side of the first limiting rod and/or the second limiting rod is provided with a baffle, and when the included angle between the first limiting rod and the second limiting rod is 180 degrees, the baffle limits the first limiting rod and the second limiting rod. The setting of baffle can make when the contained angle between first gag lever post and the second gag lever post is 180, and relative position between them is fixed, and after the atress, stop gear's balanced state changes, and the sheath main part is become closed state by open mode this moment.

Preferably, the sheath main body is of a hollow structure. Hollow out construction's sheath main part, the quality is light, and the installation of being convenient for saves raw materials, reduce cost, simultaneously, is convenient for observe the state of installation target, and the fortune dimension such as the temperature monitoring after the installation of being convenient for overhauls.

Preferably, a damping block is correspondingly arranged along the opening and closing edge of the first split body and the opening and closing edge of the second split body, and when the sheath main body is closed, corresponding surfaces of the two damping blocks are attached. The sheath main part is in the closed moment, and the atress on the limit that opens and shuts of sheath main part can be born in the setting of snubber block, avoids damaging because the too big thin wall that makes the sheath main part of closed intensity, destroys insulating sheath overall structure's stability.

Drawings

Fig. 1 is a perspective view of an insulation sheath 100 according to a first embodiment of the present invention in a closed state;

fig. 2 is a schematic structural diagram of an installation target 10 according to a first embodiment of the present invention;

fig. 3 is a front view of the insulating sheath 100 in a closed state according to the first embodiment of the present invention;

fig. 4 is a rear view of the insulating sheath 100 in a closed state according to the first embodiment of the present invention;

fig. 5 is a schematic perspective view of the insulation sheath 100 according to the first embodiment of the present invention in an open state;

fig. 6 is a top view of the insulating sheath 100 in a closed state according to the first embodiment of the present invention;

fig. 7 is a schematic perspective view of the insulating sheath 200 according to the second embodiment of the present invention in a closed state;

fig. 8 is a bottom view of the insulating sheath 200 according to the second embodiment of the present invention in a closed state;

fig. 9 is a perspective view of the insulation sheath 200 according to the second embodiment of the present invention in an open state;

fig. 10 is a perspective view of the insulating sheath 300 according to the third embodiment of the present invention in a closed state.

Detailed Description

As required, detailed embodiments of the present invention will be disclosed herein. However, it is to be understood that the disclosed embodiments are merely exemplary of the invention, which may be embodied in various forms. Therefore, specific details disclosed herein are not to be interpreted as limiting, but merely as a basis for the claims and as a representative basis for teaching one skilled in the art to variously employ the present invention in virtually any appropriately detailed manner, including employing various features disclosed herein in connection with which such features may not be explicitly disclosed.

The first embodiment is as follows:

as shown in fig. 1, 3, 4 and 5, the present embodiment provides an insulating sheath 100, which includes a sheath main body 110, the sheath main body 110 is divided into a first sub-body 111 and a second sub-body 112 along an axial cross section, a connecting edge 113 connecting the first sub-body 111 and the second sub-body 112 is connected by an elastic connector 120 so that the sheath main body 110 can be automatically closed, the sheath main body 110 in a closed state has an accommodating cavity 114, a first through hole 130 is disposed at a head of the sheath main body 110, a second through hole 140 is disposed at a tail of the sheath main body 110, and the first through hole 130 and the second through hole 140 are respectively divided by the axial cross section and are communicated with the accommodating cavity 114.

In this embodiment, one end of the first division 111 and the second division 112 connected by the elastic connection member 120 is a connection edge 113, that is, each of the first division 111 and the second division 112 has a connection edge 113; one end of each of the first and second divided bodies 111 and 112, which is parallel to the connecting edge 113 and enables the sheath body 110 to be in the open state, is an open-close edge, that is, each of the first and second divided bodies 111 and 112 has one open-close edge. The sheath body 110 of the insulating sheath 100 is connected by the elastic connection member 120, can be automatically closed in an opened state, and has high closing strength without being easily opened, thereby realizing 'self-installation' of the insulating sheath 100. The "self-installation" is a process in which an operator lifts the insulating sheath 100 to a position where the object 10 is installed, and the insulating sheath 100 automatically performs the installation for protecting the charged object. The insulating sheath 100 can prevent bird damage and tripping of the distribution line, meanwhile, large-batch and high-efficiency installation is achieved, and installation difficulty and installation cost are reduced.

In this embodiment, the sheath body 110 is a cylinder, the axial cross section is a central cross section of the sheath body 110 along the axial direction, the central cross section divides the sheath body 110 into a first sub-body 111 and a second sub-body 112, and the first sub-body 111 and the second sub-body 112 are symmetrically arranged. The insulating sheath 100 with the structure is balanced in stress and most convenient to switch the opening and closing states because the two parts of the sheath main body 110 are symmetrically arranged in the opening and closing process.

In other embodiments, the shape of the sheath body is not limited to a cylinder, and may be any shape that fits the installation target.

In other embodiments, the axial section is not limited to the central section, as long as the first through hole and the second through hole can be respectively divided by the axial section and communicated with the accommodating cavity, and the insulating sheath can be installed.

The structure of the installation target 10 of the present embodiment is shown in fig. 2, the main body of the installation target 10 is an insulator 11, the head of the insulator 11 is provided with a wire connecting member 12, the wire connecting member 12 is provided with a wire connecting hole 13, and the wire connecting hole 13 is used for connecting a wire (not shown in the figure).

In other embodiments, the shape of the installation target and the position of the wire are not limited, and the insulating sheath is actually designed according to the shape of the installation target and the position of the wire, thereby presenting different appearance designs of the insulating sheath.

In this embodiment, the elastic connection member 120 is a spring hinge 120. The spring hinge 120 is a hinge that can automatically close the cover main body 110 after opening, and a spring is attached to the spring hinge 120, and the spring can automatically close the cover main body 110 and the closed state is stable.

In other embodiments, the elastic connection member may also be a torsion spring, which is also called a torsion spring. The torsion spring is a cylindrical coil spring that receives a torque. It uses lever principle, and makes it have great mechanical energy by twisting or rotating the elastic material with soft material and high toughness, and is a spring bearing torsional deformation. The end structure of the torsion spring is processed into torsion arms with various shapes, from single torsion to double torsion, and even the deformation of various torsion bars, and the end structure is formed according to the design.

In other embodiments, the elastic connection element may be any other connection element that can perform a connection function and has an elastic recovery capability, and a spring hinge or a torsion spring is a representative example of the connection element, but the present invention is not limited thereto.

In the present embodiment, the sheath body 110 is an insulating material. The insulation of the sheath main body 110 can prevent the branch, the iron wire, the building metal garbage and other materials of the bird nest from touching the charged part after falling, and the problem of line tripping caused by bridging between equipment phases or between the equipment phases is avoided.

In this embodiment, the material of sheath main part 110 is rigid plastic, and rigid plastic possesses good insulating properties, and is simple and convenient easy simultaneously, and forming process is simple, can adopt advanced technologies such as 3D printing even to the part that the structure is complicated, and labour saving and time saving avoids opening the system mould simultaneously. In other embodiments, the molding process may also be a compression molding process or an injection molding process.

In other embodiments, the material of the sheath body is hard rubber, or an insulating composite material, etc., which is not limited herein.

In this embodiment, the head of the sheath body 110 is a hemisphere, the heads of the first and second sub-bodies 111 and 112 are quarter spheres, the head of the sheath body 110 is provided with a first through hole 130 along an axial cross section, and the first through hole 130 is an arc-shaped hole. Specifically, the first through hole 130 is an arc-shaped hole on the outer circumferential surface of the head of the sheath body 110, and the first through hole 130 is provided along the spherical surface of the head of the sheath body 110 and divided by an axial section. When the sheath body 110 is in the open state, the first through hole 130 is in the detached state, and when the sheath body 110 is in the closed state, the first through hole 130 is in the through hole state. The first through hole 130 is used for routing, and the first through hole 130 is an arc-shaped hole which can be adapted to various forms of the installation target 10 to surround the routing at various angles.

In other embodiments, the sheath body may be a standard cylinder, and the upper bottom surface and the lower bottom surface are respectively provided with a first through hole and a second through hole, and the first through hole is used for routing. Or the head of the sheath main body is arranged in a common cambered surface and the like. The routing structure of the insulating sheath can be specifically designed according to the characteristics of the installation target, and is not specifically limited herein.

In the present embodiment, the central angle of the first through hole 130 is greater than 180 °, the hemispherical head of the sheath body 110 is provided with the first through hole 130 along an axial section, and the first through hole 130 extends on a portion connected to the hemispherical head of the sheath body 110. It is understood that the center of the central angle in this embodiment is the center of the hemisphere of the sheath body 110, and the two end points of the central angle are two intersection points of the edge of the arc hole and the axial section of the sheath body 110 at the periphery of the sheath body 110. Therefore, in the present embodiment, the central angle of the first through hole 130 is larger than 180 °, and it is possible to ensure that the wire of the installation object 10 can smoothly protrude outside the insulating sheath 100 regardless of the direction from which it protrudes.

In other embodiments, if the included angle between the wire direction of the installation target and the vertical upward direction is not an obtuse angle, the central angle of the first through hole may be equal to 180 °, that is, the first through hole is only provided with the hemispherical head of the sheath main body and does not extend to the column part of the sheath main body.

In other embodiments, if the included angle between the wire direction of the installation target and the vertical upward direction is an acute angle or the wire is directly vertically upward, the central angle may also be smaller than 180 °.

Referring to fig. 6, in the present embodiment, two rows of flexible covers 150 are fixedly disposed along the axial cross section of the first and second sub-bodies 111 and 112 in the first through hole 130, and the flexible covers 150 cover the first through hole 130. The flexible shield 150 shields the first through hole 130 to prevent sundries from falling into the insulating sheath 100 and contacting with the live equipment to cause electrical hidden troubles, and meanwhile, the flexible shield 150 can deform to leave a space for wiring. The flexible shield 150 has the characteristic that after the wire passes through the first through hole 130, the position where the flexible shield 150 contacts with the wire is elastically deformed, and the flexible shields at other positions still play a role of shielding the first through hole 130.

In other embodiments, if the size of the first through hole is smaller, after the wire passes through the first through hole, the remaining gap between the wire and the insulating sheath is smaller, and the flexible shield may not be disposed to shield the first through hole.

In other embodiments, a row of flexible shields may be fixedly disposed along the axial cross section at the edge of the first or second sub-body, respectively, in the first through hole, and the flexible shields may shield the first through hole. In a specific operation process, the wire only needs to be capable of penetrating out of the first through hole, and does not need to penetrate out of the middle area of the first through hole.

In this embodiment, the edge of the flexible shield 150 is a toothed structure. After the flexible shield 150 with the tooth-like structure is passed through by the wire, the first through hole 130 can still be shielded, and no large gap is left in the area of the first through hole 130.

In other embodiments, the edge of the flexible shield may have other shapes as long as the flexible shield is convenient for routing and can shield the first through hole.

In this embodiment, the edge of the flexible shield 150 connected to the sheath body 110 is provided with a protrusion (not shown), the sheath body 110 is correspondingly provided with a through hole 115, and the protrusion is fixed by a fixing plug through the through hole 115 to mount the flexible shield 150 on the sheath body 110. The flexible shield 150 and the sheath body 110 are simply and firmly mounted, so that the operation is convenient and the cost is low.

In other embodiments, a plurality of through holes may be provided at the edge of the flexible shield, and correspondingly, the same number of through holes may be provided at corresponding positions of the sheath body, so that the flexible shield is reliably fixed to the sheath body by rivets made of insulating material such as plastic such as nylon.

In other embodiments, the flexible shield and the sheath main body may also be fixedly connected by gluing, or the flexible shield and the sheath main body may be connected and integrally formed by a hot melt adhesive machine. The specific connection is not limited herein.

In the present embodiment, the sheath body 110 is a hollow structure. The sheath main body 110 with the hollow structure is light in weight, convenient to install, raw material-saving, low in cost, convenient to observe the state of the installation target 10 and convenient to maintain and overhaul after installation.

In other embodiments, the sheath body may not be designed to be hollowed out, and the sheath body completely covers the periphery of the installation target. Or a viewing window may be provided in the sheath body. As the insulating sheath does not have sealing requirements, the insulating sheath can be used as long as large objects such as branches, iron wires, construction metal garbage and the like are prevented from falling into the insulating sheath.

In the present embodiment, in a specific installation process of the insulating sheath 100, first, the sheath body 110 is opened and the opened state is kept stable; then, the insulating sheath 100 is gripped by the mounting operation rod, and the insulating sheath 100 is lifted up to the mounting target 10; finally, the sheath body 110 is automatically closed by the elastic connection member 120, and after the closure, the sheath body 110 may cover the outer circumference of the installation target 10, and the installation lever is removed to complete the installation.

In the present embodiment, in the process of "opening and keeping the sheath body 110 open stable", the sheath body 110 may be manually opened in advance; a supporting mechanism may be provided between the first and second bodies 111 and 112 to open the sheath body 110 and keep the open state stable; two mounting operation rods are also adopted to directly clamp and open the first split body 111 and the second split body 112 respectively; the sheath body 110 may also be opened by clamping the first and second split bodies 111 and 112 with a single mounting lever having two clamping ends to change the relative distance therebetween.

In this embodiment, in the process of "clamping the insulating sheath 100 by the installation operation rod and lifting the insulating sheath 100 to the installation target 10", if an included angle between the direction of the wire of the installation target 10 and the vertical upward direction is an acute angle or the wire is directly vertically arranged upward, the insulating sheath 100 may be directly lifted to the position of the installation target 10, and the position of the first through hole 130 is adjusted according to the position where the wire is installed and extended, so that the wire may pass through the first through hole 130; if the included angle between the wire direction of the installation target and the vertical upward direction is an obtuse angle, that is, the trend of the wire is downward, in order to allow the wire to smoothly pass through the first through hole 130, the insulation sheath 100 may be lifted and delivered to the lower end portion of the installation target 10, the position of the first through hole 130 may be adjusted according to the position where the wire is installed and extended, and the insulation sheath 100 is lifted and delivered to the periphery of the installation target 10 from bottom to top, thereby ensuring that the wire can smoothly pass through the first through hole 130.

In this embodiment, in the process of "the sheath main body 110 is automatically closed by the elastic connection member 120, the sheath main body 110 can cover the periphery of the installation target 10 after closing, and the installation operation lever is removed to complete installation", if a support mechanism is provided between the first and second segments 111 and 112, the support mechanism is removed, the support function fails, so that the first and second segments 111 and 112 can be automatically closed, and the installation operation lever is removed; if the first and second sub-bodies 111 and 112 are respectively clamped and opened by the installation operation rod, the installation operation rod is directly driven to close the first and second sub-bodies 111 and 112, and the installation operation rod is removed.

The insulation sheath 100 of the present embodiment is automatically closed by the elastic connection member 120, and the closed state is stable, and the insulation sheath 100 is not easily opened without being subjected to a large external force.

The insulating sheath 100 of this embodiment possesses "from the installation" characteristic, and during actual construction, the operation personnel lift insulating sheath 100 to the target location, and insulating sheath 100 can accomplish the protection installation to the electrified target automatically, can realize insulating sheath 100 big batch, high efficiency electrified installation when preventing distribution lines bird pest tripping operation, reduces the installation degree of difficulty and cost.

Example two:

as shown in fig. 7 to 9, with reference to fig. 2, the present embodiment provides an insulating sheath 200, which is different from the first embodiment in that the insulating sheath 200 is further provided with a limiting mechanism 260.

In this embodiment, the tail of the sheath body 210 is provided with a limiting mechanism 260 to connect the first body 211 and the second body 212, and the first body 211 and the second body 212 can be kept fixed in position in the opened state. The limiting mechanism 260 is arranged to enable the first split body 211 and the second split body 212 to keep fixed in position in an opening state, so that the installation is more convenient and easy to operate, and quick installation can be realized.

In this embodiment, the limiting mechanism 260 includes a first limiting rod 261 and a second limiting rod 262, one end of the first limiting rod 261 is provided with a through hole, the first split 211 is provided with a corresponding through hole, one end of the first limiting rod 261 is connected with the first split 211 through a screw, one end of the first limiting rod 261 is movably arranged on the first split 211, the first limiting rod 261 can rotate around the screw, and similarly, one end of the second limiting rod 262 is also movably arranged on the second split 212, and the other end of the first limiting rod 261 is movably connected with the other end of the second limiting rod 262. The included angle between the first and second position-limiting rods 261 and 262 may be changed according to the position change of the open/close state of the first and second bodies 211 and 212. Especially, when the included angle between the first stopper rod 261 and the second stopper rod 262 is 180 °, the first stopper rod 261 and the second stopper rod 262 may be kept fixed in position, so that the first and second sub-bodies 211 and 212 are opened and the opened state is kept stable. The limiting mechanism 260 is simple in structure, ingenious in installation and convenient to realize, and meanwhile cannot form obstacles for installation of the sheath main body 210.

In this embodiment, the mounting plate is disposed around the second through hole 240 at the rear portion of the jacket main body 210, and the first mounting plate 2111 of the first division body 211 and the second mounting plate 2121 of the second division body 212 are located on the same plane. One end of the first stopper 261 is movably disposed on the first mounting plate 2111, and one end of the second stopper 262 is movably disposed on the second mounting plate 2121. The first mounting plate 2111 and the second mounting plate 2121 are symmetrical semicircular rings, and form the second through hole 240 after being closed.

In other embodiments, the first and second mounting plates may be any arcuate rings as long as the first and second stop bars are conveniently mounted.

In other embodiments, the first mounting plate and the second mounting plate may be provided on the outer peripheral surface of the sheath body. Or, cancel first mounting panel and second mounting panel, first gag lever post and second gag lever post are L type structure, and the vertical end direct mount of L type structure is on the outer peripheral face of sheath main part, and the horizontal end of L type structure is located the bottom of insulating sheath, is on a parallel with the second through-hole. Generally, the design of the limiting mechanism is varied, and the limiting mechanism can be used as long as the first split body and the second split body can keep the relative position to be fixed in the opened state and the limiting effect disappears after external force is applied.

In this embodiment, a baffle 263 is disposed on a side of the first stopper 261 close to the outer peripheral surface of the sheath main body 210, and in a state where the first and second segments 211 and 212 are closed, an intersection point of the first stopper 261 and the second stopper 262 is away from the axis of the sheath main body 210. In the state where the first and second sub-bodies 211 and 212 are opened, when the included angle between the first and second position-restricting levers 261 and 262 is 180 °, the baffle 263 restricts the first and second position-restricting levers 261 and 262. Due to the arrangement of the baffle 263, when the included angle between the first limiting rod 261 and the second limiting rod 262 is 180 degrees, the relative positions of the two are fixed, after the force is applied, the two rods can rebound along the original changing path, and the sheath main body 210 is changed from the open state to the closed state.

In other embodiments, a baffle is disposed on a side of the first limiting rod away from the outer peripheral surface of the sheath body, and in a closed state, an intersection point of the first limiting rod and the second limiting rod is close to the axis of the sheath body. That is, the baffle is arranged on which side of the first limiting rod, and the realization of the limiting function of the baffle is not influenced.

In other embodiments, a baffle plate may be disposed on one side of the second limiting rod, and when the included angle between the first limiting rod and the second limiting rod is 180 °, the baffle plate limits the first limiting rod and the second limiting rod.

In this embodiment, one damper block 270 is provided along each of the opening and closing sides of the first and second divided bodies 211 and 212, the damper block 270 is provided to protrude from the outer circumference of the sheath body 210, and the corresponding surfaces of the two damper blocks 270 are attached to each other when the sheath body 210 is closed. At the closing moment of the sheath main body 210, the shock absorption block 270 can bear the stress of the opening and closing edge of the sheath main body 210, and the damage to the thin wall of the sheath main body 210 and the damage to the stability of the whole structure of the insulating sheath 200 caused by the overlarge closing strength are avoided.

In other embodiments, no damper block may be provided. For example, the elastic material may be coated along the opening and closing edges of the first and second components or the opening and closing edges of the first and second components may be thickened, so as to prevent the thin wall of the sheath main body from being damaged due to the excessive closing strength and to prevent the stability of the overall structure of the insulating sheath from being damaged.

In other embodiments, the damper block may not be protrudingly disposed on the outer circumference of the sheath body, may be protrudingly disposed on the inner wall of the sheath body inwardly, or may be protrudingly disposed on both the outer circumference and the inner wall of the sheath body, as long as the installation of the insulating sheath is not hindered, and is not particularly limited herein.

In the present embodiment, during the actual installation of the insulating sheath 200, first, the sheath body 210 is opened and the open state is kept stable by the limiting mechanism 260; then, the insulating sheath 200 is gripped by the mounting operation rod, and the insulating sheath 200 is lifted to the mounting target 10; finally, the balance state of the limiting mechanism 260 is broken, so that the limiting function of the limiting mechanism is disabled, the sheath main body 210 is automatically closed under the action of the elastic connecting piece 220, the sheath main body 210 can cover the periphery of the installation target 10 after the sheath main body is closed, the installation operating rod is removed, and the installation is completed.

In this embodiment, in the process of "opening the sheath main body 210 and keeping the open state stable by the limiting mechanism 260", the sheath main body 210 is opened, so that the included angle between the first limiting rod 261 and the second limiting rod 262 is 180 °, and the baffle 263 limits the first limiting rod 261 and the second limiting rod 262, so that the sheath main body 210 keeps the open state stable.

In this embodiment, in the process of "breaking the balance state of the limiting mechanism 260 to disable the limiting function thereof, the sheath main body 210 is automatically closed by the action of the elastic connecting piece 220, the closed sheath main body 210 can coat the periphery of the installation target 10, the installation operating rod is removed, and the installation is completed", the balance state of the limiting mechanism 260 is broken, so that the included angle between the first limiting rod 261 and the second limiting rod 262 is changed from 180 ° to an acute angle, the limiting function of the limiting mechanism 260 is disabled, and at this time, the sheath main body 210 is automatically closed by the action of the elastic connecting piece 220.

In this embodiment, since the limiting mechanism 260 can keep the first and second components 211 and 212 fixed in position in the opened state, only one installation operation rod is needed, and when the installation is performed, the operation is more convenient and easier, and the rapid installation can be realized.

Example three:

as shown in fig. 10, in conjunction with fig. 2, the present embodiment provides an insulating sheath 300, which is different from the second embodiment in that the insulating sheath 300 is further provided with a connecting member 380.

In this embodiment, the insulating sheath 300 further includes a connection member 380, and the connection member 380 is provided on the sheath body 310 to be fitted with the installation lever. The connection member 380 can install the insulating sheath 300 to a desired position at a distance without direct contact of a constructor with the installation target 10, thereby improving the safety of work and facilitating the installation of the insulating sheath 300.

In the present embodiment, the connection member 380 is a connection plate 380 vertically disposed on the connection side of the first body 311 or the connection side of the second body 312, and the connection plate 380 is provided with a connection hole 381 for fitting with the mounting lever. The connection member 380 is located on the connection edge of the first body 311 or the connection edge of the second body 312, and may be located at the middle position of the insulation sheath 300 in the opened state, and the installation operation rod clamps the insulation sheath 300 to lift the insulation sheath 300 to the installation target 10, so that the first body 311 and the second body 312 are balanced in stress, and the operation is more stable.

In this embodiment, the shape of connecting hole 381 is "calabash", and in order to prevent the slip that simple round hole probably appears when snatching, ensure to snatch firmly, can carry out the adaptation with general installation action bars in the net field of joining in marriage.

In other embodiments, the installation operation rod is not limited to the installation operation rod commonly used in the field of distribution networks, and the shape of the connection hole can be designed arbitrarily to be matched with the actual installation operation rod.

In the present embodiment, during the actual installation of the insulating sheath 300, first, the sheath body 310 is opened and the open state is kept stable by the limiting mechanism; then, the connecting member 380 of the insulating sheath 300 is gripped by the mounting operation rod, and the insulating sheath 300 is lifted to the mounting target 10; and finally, breaking the balance state of the limiting mechanism to enable the limiting function of the limiting mechanism to be invalid, automatically closing the sheath main body 310 under the action of the elastic connecting piece, covering the periphery of the installation target 10 by the closed sheath main body 310, removing the installation operating rod and completing installation.

In the present embodiment, in the "holding the connection member 380 of the insulating sheath 300 with the mounting lever, lifting the insulating sheath 300 to the mounting target 10", the end of the mounting lever passes through the connection hole 381 to hold the insulating sheath 300.

In the insulating sheath 300 of the present embodiment, the connecting member 380 is provided on the sheath body 310 to be fitted to the mounting lever, and the "self-mounting" of the insulating sheath 300 can be further achieved.

The utility model discloses an insulating sheath possesses "from installing" characteristic, and during actual construction, the operation personnel lift insulating sheath and send to the target location, and insulating sheath can accomplish automatically and install the protection of electrified target, can realize insulating sheath big batch, the electrified installation of high efficiency when preventing distribution lines bird pest tripping operation, reduces the installation degree of difficulty and installation cost.

While the invention has been described with reference to the above disclosure, it will be understood by those skilled in the art that various changes and modifications in the above-described structures and materials, including combinations of features disclosed herein either individually or in any combination, will be apparent to one skilled in the art from the disclosure herein. These variants and/or combinations fall within the technical field of the present invention and are intended to be protected by the following claims.

Claims (15)

1. An insulating sheath, characterized in that: including the sheath main part, the sheath main part divide into first components of a whole that can function independently and second components of a whole that can function independently along axial cross-section, first components of a whole that can function independently with the connection edge that the second components of a whole that can function independently makes the sheath main part can automatic closure, closed state the sheath main part has and holds the chamber, the head of sheath main part sets up first through-hole, the afterbody of sheath main part sets up the second through-hole, first through-hole with the second through-hole quilt respectively axial cross-section cut apart and with hold the chamber intercommunication.

2. The insulating sheath of claim 1, wherein: the elastic connecting piece is a spring hinge or a torsion spring.

3. The insulating sheath of claim 1, wherein: the sheath main body is made of insulating materials.

4. The insulating sheath of claim 1, wherein: the connecting component is arranged on the sheath main body to be matched with the installation operating rod.

5. The insulating sheath of claim 4, wherein: the connecting part is a connecting plate vertically arranged on the connecting edge of the first split body or the connecting edge of the second split body, and a connecting hole is formed in the connecting plate.

6. The insulating sheath of claim 1, wherein: the head of the sheath main body is a hemisphere, the head of the first split body and the head of the second split body are respectively a quarter sphere, and the first through hole is formed in the head of the sheath main body along the axial cross section.

7. The insulating sheath of claim 6, wherein: the central angle of the first through hole is greater than or equal to 180 °.

8. The insulating sheath of claim 1, wherein: and in the first through hole, flexible shields are fixedly arranged at the edges of the first split body and/or the second split body respectively along the axial section, and the flexible shields cover the first through hole.

9. The insulating sheath of claim 8, wherein: the edge of the flexible shield is of a tooth-shaped structure.

10. The insulating sheath of claim 8, wherein: the edge of the flexible shield connected with the sheath main body is provided with a bulge, the sheath main body is correspondingly provided with a fixing hole, and the bulge penetrates through the fixing hole and is fixed by a fixing plug so that the flexible shield is installed on the sheath main body.

11. The insulating sheath of claim 1, wherein: the tail part of the sheath main body is provided with a limiting mechanism which is connected with the first split body and the second split body and can keep the first split body and the second split body in a fixed position in an opening state.

12. The insulating sheath of claim 11, wherein: stop gear includes first gag lever post and second gag lever post, the one end activity of first gag lever post sets up on the first components of a whole that can function independently, the one end activity of second gag lever post sets up on the second components of a whole that can function independently, the other end of first gag lever post with the other end swing joint of second gag lever post, first gag lever post with when contained angle between the second gag lever post is 180, first gag lever post with the second gag lever post keeps the rigidity.

13. The insulating sheath of claim 12, wherein: one side of the first limiting rod and/or the second limiting rod is provided with a baffle, and when an included angle between the first limiting rod and the second limiting rod is 180 degrees, the baffle limits the first limiting rod and the second limiting rod.

14. The insulating sheath of claim 1, wherein: the sheath main part is hollow out construction.

15. The insulating sheath of claim 1, wherein: and the damping blocks are correspondingly arranged along the opening and closing edge of the first split body and the opening and closing edge of the second split body, and when the sheath main body is closed, the corresponding surfaces of the two damping blocks are attached.

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