A kind of composite terminal that is used for the fence terminal pole
Technical field
The present invention relates to safety and escort field, in particular a kind of composite terminal that is used for the fence terminal pole.
Background technology
Fence is present state-of-the-art circumference guard against theft and alarm system, and it is surveyed fence by high-voltage electronic pulse main frame and front end and forms.The high-voltage electronic pulse main frame is to produce and receive high-voltage pulse signal, and can produce alarm signal when front end detection fence is in net-fault, short circuit, off state, and an invasion signal is sent to the security alarm center; Front end is surveyed the tangible circumference that fence is made up of members such as bar and plain conductors.Fence belongs to the anti-fence more of a kind of active invasion, intrusion attempt is made counterattack, beat back the invador, postpone the invasion time, and do not threaten people's life, and an invasion signal sent on security department's watch-dog, can in time understand the situation of alarm region to guarantee administrative staff, deal with fast.
The barrier effect of fence at first is embodied on the deterrence function, hangs warning sign on the metal wire, produces psychological pressure once seeing, and touching has the sensation of electric shock during fence, is enough to make the invador to hang back; Secondly fence itself is again tangible barrier, and suitable height and angle are installed, and is difficult to climb up and over; If force one's way through the barrier, main frame can send alarm signal.
Front end is surveyed fence by mainly by terminal pole, the load bar, member such as mast and alloy lead wire is formed, terminal pole is applied in the initiating terminal and the end in each defence area, fixing a plurality of null terminator Nulls on it, alloy lead wire with fix by null terminator Null, the load bar is applied in corner in each defence area, bear the pulling force of alloy lead wire, and the alloy lead wire stringing at all the other positions need be through middle mast, be generally that mast in the middle of per four meters is installed on the wall or on the fence with support the alloy lead wire that set up and by insulator with electric wire fixing with middle mast, need to install on the mast in the middle of every usually a plurality of in the middle of the mast insulators be used for stringing and insulation.
In order to regulate the rate of tension of alloy lead wire, need wire grip be set at present, regulate wire grip tension alloy lead wire when needing, use very inconvenient at terminal pole or alloy lead wire middle part.
Therefore, there is defective in prior art, needs to improve.
Summary of the invention
Technical problem to be solved by this invention is at the deficiencies in the prior art, to provide a kind of terminal pole composite terminal of composite multi-functional.
Technical scheme of the present invention is as follows:
A kind of composite terminal that is used for the fence terminal pole comprises: seal, stringing device; Described seal is fixedlyed connected with terminal pole, is used for insulation, and described stringing device and described seal fixedly are connected as a single entity, and described stringing device is the connected cable of tensioning as required.
Described composite terminal, described seal also comprises the terminal pole sleeve joint device, is used to be socketed in described terminal pole.
Described terminal pole sleeve joint device is for vertically penetrating the cavity of described seal, and described cavity is one of circle, ellipse, triangle, polygon.
Described composite terminal, described seal also comprises shrinking device, is used for described composite terminal and described terminal pole locking.
Described composite terminal, described locking device are the through hole that penetrates described sleeve joint device one side.
Described composite terminal, described stringing device comprises rotating shaft, swivelling cover and cable-through hole, described rotating shaft passes described seal, be rotatably assorted with described seal, described swivelling cover is fixedlyed connected by screw thread with described rotating shaft, described cable-through hole is arranged at the rotating shaft middle part, is used for fixing cable.
Described composite terminal, described swivelling cover is provided with some open slots along circumference, and described swivelling cover is in the arc-shaped.
Described composite terminal also comprises an one-way lock mechanism, is used for described stringing device and described seal unidirectional locking, avoids described stringing device and described seal existing in one direction to rotating.
Described composite terminal, described unidirectional locking structure comprises first teeth and second teeth, and described first teeth are arranged on the seal and described rotating shaft cooperation place, and described second teeth are arranged on the rotating shaft and described seal cooperation place.
Adopt such scheme, the present invention can realize the stringing function by being combined into a kind of compound null terminator Null with seal and stringing device are ingenious, can realize insulation function again, can also bear than hightension, has reduced cost, and convenient construction is installed.
Description of drawings
Fig. 1 is the planar structure schematic diagram of composite terminal of the present invention;
Fig. 2 is the perspective view of composite terminal of the present invention;
Fig. 3 is the structural representation of the sub-rotating shaft of composite terminal of the present invention;
Fig. 4 is the structural representation of the sub-swivelling cover of composite terminal of the present invention;
Fig. 5 is the another structural representation of the sub-swivelling cover of composite terminal of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Be illustrated in figure 1 as composite terminal minor structure schematic diagram of the present invention, it mainly comprises: seal 32, stringing device 31 and 33, wherein 31 is rotating shaft, 33 is swivelling cover, rotating shaft 31 passes the through hole that is arranged on the seal 32 and swivelling cover 33 and is fixed together by screw thread, forms the stringing device; Seal 32 and terminal pole link together, between terminal pole and alloy lead wire, play insulating effect, stringing device and seal 32 fixedly are connected as a single entity, inner nut by stringing device one end in needs rotates the stringing device, just can regulate the tension force of connected cable, like this insulator and wire grip are united two into one insulator and the wire grip realization complex function of working in coordination.As shown in Figure 2, seal also comprises terminal pole sleeve joint device 323, is used to be socketed in terminal pole.Further, the terminal pole sleeve joint device is for vertically penetrating the cavity of seal, and the cavity can be for being one of circle, ellipse, triangle, polygon or other shapes.Above-mentioned seal also comprises locking device 321, is used for composite terminal and terminal pole locking, and locking device can use self-tapping screw by through hole insulator and terminal pole to be fixed for penetrating the through hole 321 of sleeve joint device one side.As Fig. 1, Fig. 2, shown in Figure 3, the stringing device comprises rotating shaft 31, swivelling cover 33 and cable-through hole 312, rotating shaft 31 passes seal 32, be rotatably assorted with seal 32, swivelling cover 33 and rotating shaft 31 are fixedlyed connected by screw thread, cable-through hole 312 is arranged at the rotating shaft middle part, and alloy lead wire can pass this cable-through hole 312 and be fixed on the insulator 32.As Fig. 4, shown in Figure 5, swivelling cover 33 is provided with some open slots 331 along circumference, swivelling cover 33 is a circular arc, setting by a plurality of open slots 331, at swivelling cover 33 in fixing with rotating shaft 31, can play cushioning effect, and can guarantee that rotating shaft can freely rotate, be unlikely to be in the same place, can in time the ponding in the insulator be led away by open slot 331 simultaneously, improve insulation property with insulator is locked, swivelling cover 33 is provided with a hexagonal socket nut 332 in addition, rotating shaft 31 also is provided with a hexagonal socket nut 313, needs to use specific purpose tool just can open, and anti-illegal-inbreak person is free-hand to be cracked.As shown in Figures 2 and 3, can also comprise an one-way lock mechanism, be used for stringing device and seal 32 unidirectional lockings, avoid stringing device and seal 32 to relatively rotate in one direction, the unidirectional locking structure comprises first teeth 322 and second teeth 311, first teeth 322 are arranged on the seal 32, and be in seal 32 and rotating shaft 31 cooperation places, second teeth 311 are arranged on the rotating shaft 31, and be in rotating shaft 31 and seal 32 cooperation places, by intermeshing a pair of teeth, can prevent that rotating shaft 31 is in one direction relative to rotating with seal 32.As shown in Figure 2, seal 32 also comprises some gap 324 and gap 325, described gap 324 is arranged on above the seal frame, be used to get rid of the rainwater that accumulates in the seal, described gap 325 is arranged on around first teeth 322, is used to get rid of the rainwater that accumulates in the one-way lock mechanism.
Should be understood that, for those of ordinary skills, can be improved according to the above description or conversion, and all these improvement and conversion all should belong to the protection range of claims of the present invention.