CN109755773A - A wire electrical connector - Google Patents

Abstract

The present invention relates to electric power tool fields, specifically a kind of conducting wire electric connector, including connector inner core and waterproof case, connector inner core includes straight barrel type connector, elastic pressing sleeve and lock nut, the both ends of connector are respectively equipped with a plug wire hole, each plug wire hole is respectively corresponded equipped with an elastic pressing sleeve and a lock nut, one end of lock nut is connect with plug wire hole coaxial threaded, the other end is equipped with the plug wire mouth being inserted into for conducting wire, elastic pressing sleeve is placed in the space that lock nut and plug wire hole enclose, the inner sidewall of plug wire hole is tapered sidewalls, elastic pressing sleeve is to correspond to taper tubular structure made of being enclosed as several elastic pieces, and the inner surface of each elastic piece is equipped with non-return tooth, lock nut is screwed with respect to plug wire hole, tapered sidewalls can be made circumferentially to squeeze elastic pressing sleeve to deform towards axle center, and then clamp conducting wire；It the beneficial effects of the invention are as follows connecting wire and connector can be connected together quickly, and operates convenient, is connected firmly, safe waterproof.

Description

A kind of conducting wire electric connector

Technical field

The present invention relates to electric power tool field, specifically a kind of conducting wire electric connector.

Background technique

Electrical Safety on today's society guarantees that power network safety operation is particularly significant, and connecting position of wires reason is bad, gives people Bring many puzzlements, for most places using directly connecting wire is wrapped on connector, such mode is past at present It is insecure toward will lead to wiring, and it is poor with waterproofness to insulate, and certain loss is brought to user, is easy to happen broken string or short A large amount of work is brought to maintenance, repair personnel in road, and process is cumbersome time-consuming, random larger.

Summary of the invention

To solve the above-mentioned problems, the task of the present invention is providing a kind of conducting wire electric connector, can by connecting wire and Connector is connected together quickly, and operation is convenient, is connected firmly, safe waterproof.

Task of the present invention is achieved through the following technical solutions:

A kind of conducting wire electric connector, including connector inner core and waterproof case, connector inner core include straight barrel type connector, Elastic pressing sleeve and lock nut, the both ends of connector are respectively equipped with a plug wire hole, and each plug wire hole is respectively corresponded equipped with a bullet Property pressing sleeve and a lock nut, one end of lock nut connected with corresponding plug wire hole coaxial threaded, the other end be equipped with for conducting wire The plug wire mouth of insertion, elastic pressing sleeve are placed in the space that lock nut is enclosed with corresponding plug wire hole, and the inner sidewall of plug wire hole is cone Shape side wall, elastic pressing sleeve are to correspond to taper tubular structure made of being enclosed as several elastic pieces, and each elastic piece end is spaced each other Setting, and the inner surface of each elastic piece is equipped with towards the inclined non-return tooth in end, lock nut is screwed with respect to plug wire hole, can Elasticity pressing sleeve described in pushing tow is moved axially towards the undergauge end of plug wire hole, so that the tapered sidewalls be made circumferentially to squeeze the elasticity Pressing sleeve and make elastic pressing sleeve end towards axle center deform, and then clamp conducting wire；Waterproof case is opposite structure, including first point Shell and second point of shell, the two sides of first point of shell are respectively equipped with several grabs, are equipped with if the two sides of second point of shell respectively correspond Dry buckle, first point of shell and second point of shell, which pass through grab and be clasped, to be detachably connected, and the both ends of waterproof case are all provided with There is the jack for conducting wire insertion, be additionally provided with sealing rubber ring in jack, the junction of first point of shell and second point of shell is equipped with sealing Adhesive tape, sealant snare is in the insulating outer layer of conducting wire when use, and sealing rubber ring and sealing joint strip are in the extruding of waterproof case Lower deformation is to be sealed waterproof case.

It is preferred that the bottom end of the plug wire hole is equipped with plug-in type expanded support structure, the plug-in type expanded support structure is inserted into leading Thread end and radially expanded support conducting wire and the internal chamber wall that conducting wire periphery is pressed on to plug wire hole.

It is preferred that the plug-in type expanded support structure is the pointed cone type thimble made of conductive metal, the bigger diameter end of thimble is abutted In the bottom end of the plug wire hole, the insert port of the tip of thimble towards the plug wire hole.

It is preferred that one end of the lock nut is successively arranged the first screw head and the second screw head, the first screw head and along axial direction Fracture is equipped between two screw heads, the peak torque that the fracture is able to bear is less than bolt other parts and is able to bear most Large torque, when the torque that the first screw head is born is greater than the peak torque that fracture is able to bear, fracture can be broken to make First screw head is detached from from lock nut.

It is preferred that the structure of the fracture is the annular groove being arranged between first screw head and the second screw head.

The beneficial effects of the present invention are: 1. structure is simple, it is convenient to operate, and connects in use, being directly inserted into connecting wire In the plug wire hole of part, lock nut is then screwed, lock nut opposite joints are mobile and squeezing elastic pressing sleeve leads its clamping Line is realized and connecting wire is fixedly connected on connector, and is connected firmly, by waterproof case, this product is enable to pacify Full waterproof；2. being provided with plug-in type expanded support structure in plug wire hole bottom, during screwing lock nut, elastic pressing sleeve is clamped After conducting wire, continue to screw lock nut, elastic pressing sleeve can be made mobile relative to plug-in type expanded support structure with conducting wire, to make to be inserted into Formula expanded support structure is inserted into the end of conducting wire, is not only able to radial expanded support conducting wire and compresses conducting wire and plug wire hole inner wall, and increase is led The fastness of line connection, and increase the overcurrent area of conducting wire and connector, it is connect to reduce connecting wire with connector The resistance at place；3. the inner sidewall of lock nut and/or the plug wire hole is tapered sidewalls, elasticity is circumferentially squeezed by tapered sidewalls Pressing sleeve and so that elastic pressing sleeve is deformed clamping cables towards axle center so that the design of elastic pressing sleeve becomes simpler convenience；4. bullet Property pressing sleeve is enclosed by several elastic pieces, and one end of each elastic piece is fixedly connected, and the other end is intervally installed and towards institute Tapered sidewalls undergauge end is stated, consequently facilitating clamping conducting wire towards axle center bending under the circumferential extruding of tapered sidewalls；5. each elasticity The spaced one end of piece is tilted towards axle center, consequently facilitating in insertion tapered sidewalls, and convenient in the circumferential direction of tapered sidewalls Towards axle center bending under extruding；6. fracture and two screw heads are arranged, it can according to need and be pre-designed the maximum of fracture and hold By torque, so that fracture is broken when reaching maximum receiving torque and makes the first spiral shell when can either make to screw lock nut Head be detached from, will not because screw torque it is excessive due to damage elastic pressing sleeve or conducting wire by pressure, and can when needing to dismantle lock nut, lead to It crosses the second screw head counter force and unscrews jam nut, avoid jam nut that from can not dismantling and cause maintenance inconvenient.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of conducting wire electric connector of the present invention；

Fig. 2 is the decomposition texture schematic diagram of conducting wire electric connector of the present invention；

Fig. 3 is the decomposition texture schematic diagram of connector inner core of the present invention；

Fig. 4 is elastic chip architecture schematic diagram in Fig. 3.

Wherein, connector 1, plug wire hole 11, screw head structure 12, lock nut 2, plug wire mouth 21, the first screw head 22, the second spiral shell First 23, fracture 24, elastic pressing sleeve 3, elastic piece 31, non-return tooth 312, thimble 4, conducting wire 5, insulating outer layer 50, waterproof case 6, First point of shell 61, second point of shell 62, grab 611, buckle 621, jack 63, sealing rubber ring 64.

Specific embodiment

In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right The present invention is further elaborated.It should be appreciated that say that the specific embodiment of description is used only for explaining the present invention herein, and It is not used in the restriction present invention.

As shown in Figs 1-4, conducting wire electric connector, including connector inner core and waterproof case 6, connector inner core include straight tube Type connector 1, elastic pressing sleeve 3 and lock nut 2, the both ends of connector 1 are respectively equipped with a plug wire hole 11, and each plug wire hole 11 divides It is not correspondingly provided with an elastic pressing sleeve 3 and a lock nut 2.The outside wall of connector 1, which is equipped with, cooperates the lock nut 2 External screw thread, one end of lock nut 2 are connect with 1 coaxial threaded of connector, and the other end is equipped with for conducting wire 5, (i.e. cable is naked Core) insertion plug wire mouth 21, elastic pressing sleeve 3 is placed in the space that lock nut 2 and plug wire hole 11 enclose, plug wire hole 11 Inner sidewall is tapered sidewalls, and the undergauge end of tapered sidewalls is arranged towards the bottom of connector 1, and elastic pressing sleeve 3 is to be led by several Electric metal elastic piece 31 corresponds to taper tubular structure made of enclosing, and each 31 end of elastic piece is intervally installed, and each elasticity The inner surface of piece 31 is equipped with towards the inclined non-return tooth 312 in end, as shown in Figure 4.Lock nut 2 is revolved with respect to plug wire hole 11 Tightly, can elasticity pressing sleeve 3 described in pushing tow moved axially towards the undergauge end of plug wire hole 11, to keep the tapered sidewalls circumferential It squeezes the elastic pressing sleeve 3 and deforms elastic 3 end of pressing sleeve towards axle center, and then clamp conducting wire.Waterproof case 6 is opposite Structure, including first point of shell 61 and second point of shell 62, the two sides of first point of shell 61 are respectively equipped with several grabs 611, and second point The two sides of shell 62 are respectively corresponded equipped with several buckles 621, and first point of shell 61 and second point of shell 62 pass through grab 611 and buckle 621 cooperations are detachably connected, and the both ends of waterproof case 6 are equipped with the jack 63 for conducting wire insertion, and place is also set in jack 63 There is a sealing rubber ring 64, the junction of first point of shell 61 and second point of shell 62 is equipped with sealing joint strip, and 64 sets of sealing rubber ring exists when use In the insulating outer layer 50 of conducting wire, and sealing rubber ring 64 and sealing joint strip are deformed under the extruding of waterproof case 6 thus outside to waterproof Shell is sealed, and enables the safe waterproof of this product.

The bottom end of the connector 1 is equipped with plug-in type expanded support structure, and the plug-in type expanded support structure is inserted into 5 end of conducting wire Portion and radially expanded support conducting wire 5 and the internal chamber wall that 5 periphery of conducting wire is pressed on to connector 1.It is preferred that the plug-in type expanded support Structure is the pointed cone type thimble 4 made of conductive metal, and the bigger diameter end of thimble 4 is connected to the bottom end of the connector 1, thimble 4 Tip towards the connector 1 insert port.It is provided with plug-in type expanded support structure in 11 bottom of plug wire hole, is screwing locking screw During cap 2, after elastic pressing sleeve 3 clamps conducting wire 5, continue to screw lock nut 2, elastic pressing sleeve 3 can be made opposite with conducting wire 5 Plug-in type expanded support structure is mobile, to make the end of plug-in type expanded support structure insertion conducting wire 5, is not only able to radial expanded support conducting wire 5 And conducting wire 5 and 11 inner wall of plug wire hole are compressed, increase the fastness that conducting wire 5 connects, and increase the mistake of conducting wire 5 and connector 1 Current areas, to reduce the resistance of connecting wire 4 Yu 1 junction of connector.

One end of the lock nut 2 is successively arranged the first screw head 22 and the second screw head 23,22 He of the first screw head along axial direction Fracture 24 is equipped between second screw head 23, the peak torque that the fracture 24 is able to bear is less than bolt other parts can The peak torque of receiving, when the torque that the first screw head 22 is born is greater than the peak torque that fracture 24 is able to bear, fracture 24 can be broken to be detached from the first screw head 22 from lock nut 2.The structure of the fracture 24 is to be arranged described first Annular groove between screw head 22 and the second screw head 23.Fracture 24 and two screw heads are set, can according to need and be pre-designed The maximum of fracture 24 bears torque, so that fracture 24 is reaching maximum receiving torque when can either make to screw lock nut 2 When be broken and be detached from the first screw head 22, will not because screw torque it is excessive due to damage elastic pressing sleeve or conducting wire 5 by pressure, and can be When needing to dismantle lock nut 2, jam nut is unscrewed by 23 counter force of the second screw head, avoid jam nut can not dismantle and Cause maintenance inconvenient.

Conducting wire electric connector of the present invention, structure is simple, and it is convenient to operate, and safe waterproof, in use, directly by connecting wire In the plug wire hole 11 of 5 insertion connectors 1, then screw corresponding lock nut 2, lock nut 2 it is mobile relative to plug wire hole 11 and Squeezing elastic pressing sleeve 3 makes it clamp conducting wire 5, that is, realizes and connecting wire 5 is fixedly connected on connector 1.

Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.Those skilled in the art Member is it should be appreciated that invention scope involved in the application, however it is not limited to technology made of the specific combination of above-mentioned technical characteristic Scheme, while should also cover in the case where not departing from the inventive concept, it is carried out by above-mentioned technical characteristic or its equivalent feature Any combination and the other technical solutions formed.Such as features described above has similar function with (but being not limited to) disclosed herein Can technical characteristic replaced mutually and the technical solution that is formed.

Claims (5)

1. A wire electrical connector, characterized in that it comprises a connector inner core and a waterproof shell, the connector inner core includes a straight-tube connector, an elastic pressing sleeve and a locking nut, and both ends of the connector are respectively provided with a Wire insertion holes, each wire insertion hole is respectively provided with an elastic pressing sleeve and a locking nut, one end of the locking nut is coaxially threaded with the corresponding wire insertion hole, and the other end is provided with a wire insertion port for wire insertion , the elastic pressing sleeve is placed in the space enclosed by the locking nut and the corresponding wire insertion hole, the inner side wall of the wire insertion hole is a conical side wall, and the elastic pressing sleeve is a corresponding conical cylinder enclosed by several elastic sheets The end of each elastic piece is spaced apart from each other, and the inner surface of each elastic piece is provided with anti-reverse teeth inclined toward the end, and the locking nut is tightened relative to the insertion hole, which can push the elastic pressing sleeve toward the insertion hole. The diameter-reduced end of the wire hole moves axially, so that the tapered sidewall presses the elastic pressure sleeve circumferentially, so that the end of the elastic pressure sleeve is deformed toward the axis, and then the wire is clamped; It includes a first sub-shell and a second sub-shell, the two sides of the first sub-shell are respectively provided with a number of hooks, the two sides of the second sub-shell are respectively provided with a number of buckles, the first sub-shell and the second sub-shell are respectively provided with a number of hooks. The shell is detachably connected by hooks and snaps. Both ends of the waterproof shell are provided with jacks for wire insertion, and there is also a sealing rubber ring inside the jacks. The connection between the first sub-shell and the second sub-shell There is a sealing rubber strip at the place, and the sealing rubber ring is sleeved on the insulating outer layer of the wire when in use, and the sealing rubber ring and the sealing rubber strip are deformed under the extrusion of the waterproof casing to seal the waterproof casing. 2 . The wire electrical connector according to claim 2 , wherein the bottom end of the wire insertion hole is provided with a plug-in expansion support structure, and the plug-in type expansion support structure can be inserted into the end of the wire and extend radially. 3 . The wire is expanded and supported to press the outer periphery of the wire against the inner cavity wall of the wire insertion hole. 3 . The wire electrical connector according to claim 3 , wherein the plug-in expansion support structure is a tapered thimble made of conductive metal, and the large-diameter end of the thimble abuts against the end of the plug hole. 4 . At the bottom end, the tip of the ejector pin faces the insertion port of the wire insertion hole. 4. The wire electrical connector according to claim 1, wherein one end of the locking nut is provided with a first screw head and a second screw head in an axial direction, the first screw head and the second screw head There is a breaking part between, the maximum torque that the breaking part can bear is less than the maximum torque that the other parts of the bolt can bear, when the torque that the first screw head bears is greater than the maximum torque that the breaking part can bear, the breaking part will A screw head is disengaged from the cage nut. 5 . The wire electrical connector according to claim 4 , wherein the structure of the breaking portion is an annular groove provided between the first screw head and the second screw head. 6 .