CN208336530U

CN208336530U - A kind of cable connector

Info

Publication number: CN208336530U
Application number: CN201821147253.1U
Authority: CN
Inventors: 张凯
Original assignee: Zhejiang Delepu Electric Co Ltd
Current assignee: Zhejiang Delepu Electric Co Ltd
Priority date: 2018-07-19
Filing date: 2018-07-19
Publication date: 2019-01-04
Anticipated expiration: 2028-07-19

Abstract

The utility model discloses a kind of cable connectors, including junction block, contact base and fixed wedge, wherein junction block has the central cavity for being suitable for installing cable inner core, and one end, which radially extends, is provided with limit end face；Contact base is sheathed on junction block by helicitic texture；Fixed wedge is set to the other end of junction block, and extruded cable inner core in the central cavity is axially penetrated along the junction block, so that cable inner core centered on fixed wedge to the circumferential inner wall expanding extruding of junction block, be provided with locking structure between the fixed wedge and cable inner core.Using the technical program, it is convenient that cable is installed, it is ensured that cable inner core comes into full contact with junction block, increases contact area, promote electric property, so as to reduce resistance when cable uses, temperature rise is reduced, the service performance of cable is promoted, and it reliably enhances and axially fastens power between cable and junction block, tensile strength is big, and structural stability is good, securely and reliably.

Description

A kind of cable connector

Technical field

The utility model relates to cable connection structure technical fields, and in particular to a kind of cable connector.

Background technique

Cable connector is also known as end, and for each section of cable to be connected as an entirety, its main function is to make electricity Cable road is unobstructed, has the effect of water proof and dust proof against shock, so that cable is kept sealing, and guarantee the insulation at cable connector etc. Grade, runs it safely and reliably.

A kind of existing cable connector, with reference to Fig. 5, the nipple including connecting cable, and be cooperatively connected with nipple Two threaded holes are arranged on the side wall of nipple for coupling, pass through two threaded holes by two fastening bolts and squeeze fastening positions Cable inner core in nipple.But this connection type has following technical problem in practical applications: 1. due to fastening spiral shell Bolt passes through several cable inner cores of side wall radial compression of nipple, and several cable inner cores, which are extruded, is displaced to nipple far from screw thread The other side in hole, is formed with fixing clearance, to reduce the contact area of cable inner core and nipple, the two contact is not filled Point, it just will increase resistance when in use in this way, temperature increases, and influences the service performance of cable；2. it is inconvenient to install cable, cable inner core Stress in nipple is not uniform enough, axially fastens power and becomes smaller, and pine occurs when so that cable is by external larger pulling force effect The dynamic risk for even deviating from cable connector, fitment stability are poor.

Utility model content

Therefore, the technical problems to be solved in the utility model is deposited when overcoming cable connector installation cable in the prior art In fixing clearance, reduce contact area, thus increase resistance when in use, the axis of temperature raising and cable in cable connector It is small to fastening force, there is the risk of abjection cable connector, fitment stability is poor, the problem of influencing cable service performance.

In order to solve the above technical problems, the utility model provides a kind of cable connector, comprising:

Junction block has the central cavity for being suitable for installing cable inner core, and one end, which radially extends, is provided with limit end face；Institute Cable inner core is stated to be made of several soft core wires；

Contact base is axially sheathed on the junction block along the junction block by helicitic texture, and is limited to the limit Position end face；

Fixed wedge is set to the other end of the junction block, and axially penetrates the central cavity along the junction block It is middle to squeeze the cable inner core, so that the cable inner core is centered on the fixed wedge to the circumferential inner wall of the junction block Expanding extruding is provided with the locking structure for keeping relative position locking between the fixed wedge and the cable inner core.

As a preferred embodiment, the fixed wedge is pyramidal structure, and maximum gauge is less than the end of the junction block Mouth diameter.

As a preferred embodiment, one end of the fixed wedge is to squeeze the point being threaded through between several core wires, Its other end is the operating side equipped with handle hole, and the handle hole is Hexagon hole.

As a preferred embodiment, the locking structure includes the screw thread being arranged in the outer peripheral sidewall of the fixed wedge Portion, and the link slot by the fixed wedge extrusion forming in cable inner core end, the fixed wedge pass through screw thread Portion squeezes matching thread in the screw-in link slot and fixes.

As a preferred embodiment, the contact base includes the installation end for connecting the junction block and being equipped with inner cavity, described Fixed wedge stretches out being partially accommodated in the inner cavity of the installation end of the junction block.

As a preferred embodiment, the helicitic texture includes the external screw thread being set on the junction block circumferential side wall, Be set to the installation end intracavity sidewall on and with the external screw thread cooperation internal screw thread.

As a preferred embodiment, the fixed wedge is copper metal material integrally casting shaping.

The above-mentioned technical proposal of the utility model has the advantage that compared with prior art

1. in a kind of cable connector provided by the utility model, after cable inner core is packed into junction block, passing through fixed wedge Extruded cable inner core in central cavity is axially penetrated along junction block, drives the cable inner core being made of several soft core wires by pressure Raw expansion, to the circumferential inner wall expanding extruding of junction block centered on fixed wedge, reaches fastening effect, and by locking structure The relative position for being kept fixed chock and cable inner core is fixed, it is ensured that cable inner core comes into full contact with junction block, avoids the occurrence of peace Gap is filled, increases the two contact area, promotes electric property, can reduce the electricity that cable and cable connector are used cooperatively in this way Resistance reduces temperature rise, promotes the service performance of cable.Using the cable connector of the technical program, structure is simple, installs cable side Just, the power that axially fastens between cable and junction block is enhanced by squeezing action of the fixed wedge to cable inner core, stress is equal Even, tensile strength is big, can prevent cable from being acted on by external pull and deviating from cable connector, structural stability is good, securely and reliably.

2. in a kind of cable connector provided by the utility model, the fixed wedge is pyramidal structure, by fixed wedge Point penetrate between several core wires along axial direction during, be gradually increased as fixed wedge protrudes into diameter, be constantly compacted Gap between several core wires is reliably pressed in junction block so that cable inner core be made to be fixed chock, it can be seen that, the fixation Chock plays the role of fixed and linking, converts the power that axially fastens to cable inner core for its squeezing action power, fixed reliable, surely It is qualitative good.

3. in a kind of cable connector provided by the utility model, the locking structure includes that the fixed wedge is arranged in Threaded portion in outer peripheral sidewall, and the link slot by the fixed wedge extrusion forming in cable inner core end, this structure Setting, when fixed wedge screws in link slot, the torque effect that matching thread portion generates can leave on the link slot Screw thread has self-locking function, and then solid by screwing to realize the threaded connection of the fixed wedge Yu the link slot 41 Elasticity of the cable inner core in junction block can moderately be adjusted by determining chock, cooperated and fixed reliably, easy for installation.

Detailed description of the invention

Fig. 1 is the schematic diagram of the section structure of cable connector provided by the utility model；

Fig. 2 is that the cable connector of the utility model hides the planar structure schematic diagram after contact base；

Fig. 3 is the right side view of cable connector shown in Fig. 2；

Fig. 4 is the structural schematic diagram of the fixed wedge of the utility model；

Fig. 5 is a kind of structural schematic diagram of cable connector of the prior art；

Description of symbols: 1- junction block, 11- limit end face, 12- external screw thread, 2- contact base, 21- installation end, 3- are fixed Chock, 30- handle hole, 31- point, the operating side 32-, the threaded portion 33-, 4- cable inner core, 41- link slot.

Specific embodiment

The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical Novel protected range.

It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.

Embodiment 1

The present embodiment provides a kind of cable connector as shown in Figs 1-4, including junction block, contact base and fixed wedge, In, the junction block 1 has the central cavity for being suitable for installing cable inner core 4, and one end, which radially extends, is provided with limit end face 11； The cable inner core is made of several soft core wires；It is further preferred that the contact base 2 is by helicitic texture along the wiring Seat 1 is axial to be sheathed on the junction block 1, and is limited to the limit end face 11；

The fixed wedge 3 is set to the other end of the junction block 1, and axially penetrates in described along the junction block 1 The cable inner core 4 is squeezed in portion's cavity, so that the cable inner core 4 is centered on the fixed wedge 3 to the junction block 1 Circumferential inner wall expanding extruding, be provided between the fixed wedge 3 and the cable inner core 4 keep relative position locking lock Determine structure.

Above embodiment is the core technology scheme of the present embodiment, after cable inner core 4 is packed into junction block, passes through fixation Chock 3 axially penetrates extruded cable inner core in central cavity along junction block 1, drives the cable inner core being made of several soft core wires 4, which are pressurized, expands, and to the circumferential inner wall expanding extruding of junction block 1 centered on fixed wedge 3, reaches fastening effect, and borrow Help that locking structure is kept fixed chock 3 and the relative position of cable inner core 4 is fixed, it is ensured that cable inner core sufficiently connects with junction block Touching avoids the occurrence of fixing clearance, increases the two contact area, promotes electric property, can reduce cable and cable connector in this way The resistance being used cooperatively reduces temperature rise, promotes the service performance of cable.Using the cable connector of the technical program, structure is simple, Cable is installed conveniently, is enhanced by squeezing action of the fixed wedge to cable inner core axial tight between cable and junction block 1 Gu power, uniform force, tensile strength is big, and can prevent cable from being deviate from cable connector by external pull effect, structural stability is good, Securely and reliably.

The cable connector of the present embodiment installs cable process are as follows: cable inner core 4 is first penetrated to the central cavity of junction block 1 It is interior, then compression cable inner core 4 in central cavity is penetrated along axial direction by fixed wedge 3, keep cable inner core 4 and junction block 1 Firm contact, finally connecting contact base 2 by helicitic texture on junction block 1 can be completed the installation of cable, and structure is simple, peace Dress is convenient, so that each section of cable is connected as an entirety by cable connector, guarantees the continuity of cable run, make its safety can It is run by ground.

It elaborates below with reference to specific structure of the Fig. 1 and Fig. 4 to the fixed wedge:

The fixed wedge 3 is pyramidal structure, and maximum gauge is less than the port diameter of the junction block 1, guarantees wiring Seat and contact base can be connected normally, and the fixed wedge 3 is accommodated after junction block and contact base are coupled.It is further excellent Choosing, one end of the fixed wedge 3 is to squeeze the point 31 being threaded through between several core wires, and the other end is equipped with operation The operating side 32 in hole 30, the handle hole 30 are Hexagon hole, are operated with for external tool.It can by above structure setting Know, during penetrating the point of fixed wedge 3 between several core wires along axial direction, as fixed wedge 3 protrudes into diameter Be gradually increased, be constantly compacted the gap between several core wires so that cable inner core 4 be reliably pressed on by the fixed wedge 3 it is described In junction block 1, it can be seen that, the fixed wedge 3 plays the role of fixed and linking, converts its squeezing action power to cable Inner core 4 axially fastens power, and fixed reliable, stability is good.

Although giving the specific set-up mode of fixed wedge 3 in above embodiment, it is clear that the fixed wedge 3 Setting form can also be replaced by other set-up modes.For example, the fixed wedge 3 is wedge shape, width is less than junction block Port diameter, the tip of fixed wedge is axially inserted into cable inner core along junction block, makes cable inner core by this structure setting It expands and is contacted with the extruding of the inner wall of junction block, contact surface is big, and increase axially fastens power, guarantees cable inner core 4 in junction block 1 It is not easy to loosen.Those skilled in the art can select the specific setting of fixed wedge according to foregoing description, not right herein Other equivalent embodiments are repeated one by one.

In the present embodiment, as shown in Figure 1 and Figure 4, the locking structure includes the peripheral side that the fixed wedge 3 is arranged in Threaded portion 33 on wall, and the link slot 41 by 3 extrusion forming of fixed wedge in 4 end of cable inner core, the fixation Chock 3 squeezes matching thread in the screw-in link slot 41 by threaded portion and fixes, wherein the fixed wedge 3 is copper metal The characteristics of material integrally casting shaping has high mechanical strength, and durability is good, good dimension stability.This structure setting works as institute It states fixed wedge 3 to screw when the link slot 41, the torque effect that matching thread portion 33 generates can be on the link slot 41 Screw thread is left, to realize the threaded connection of the fixed wedge 3 and the link slot 41, there is self-locking function, prevent from fixing Chock is got loose, and design can moderately adjust cable inner core in junction block by screwing the fixed wedge 3 in this way Interior elasticity cooperates and fixes reliably, easy for installation.

Made further preferably according to above embodiment, as shown in Figure 1, the contact base 2 includes connecting the junction block 1 And it is equipped with the installation end 21 of inner cavity, what the fixed wedge 3 stretched out the junction block is partially accommodated in the interior of the installation end 21 In chamber, it can be seen that, the fixed wedge 3 is fully sealed by cladding by contact base 2 and being coupled for junction block 1, and it is outer Portion's isolation, stability are good.

Further preferably, the helicitic texture includes the external screw thread 12 being set on 1 circumferential side wall of junction block, and is set It is placed on the intracavity sidewall of the installation end 21 and the internal screw thread with the external screw thread 12 cooperation, passes through external screw thread and internal screw thread Cooperation is reliably connected junction block and contact base, and convenient for disassembly and assembly, bonding strength is big, be able to bear it is external it is biggish draw, press it is two-way Active force guarantees the mounting structure stability of cable connector.

Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or It changes among the protection scope created still in the utility model.

Claims

1. a kind of cable connector characterized by comprising

Junction block (1) has the central cavity for being suitable for installing cable inner core (4), and one end, which radially extends, is provided with limit end face (11)；The cable inner core is made of several soft core wires；

Contact base (2) is axially sheathed on the junction block (1) along the junction block (1) by helicitic texture, and is limited to institute State limit end face (11)；

Fixed wedge (3) is set to the other end of the junction block (1), and axially penetrates the middle part along the junction block (1) The cable inner core (4) is squeezed in cavity, so that the cable inner core (4) is connect centered on the fixed wedge (3) to described It is opposite to be provided with holding for the circumferential inner wall expanding extruding of line seat (1) between the fixed wedge (3) and the cable inner core (4) The locking structure of position locking.

2. a kind of cable connector according to claim 1, it is characterised in that: the fixed wedge (3) is pyramidal structure, Maximum gauge is less than the port diameter of the junction block (1).

3. a kind of cable connector according to claim 2, it is characterised in that: one end of the fixed wedge (3) is to squeeze The point (31) being threaded through between several core wires, the other end are the operating side (32) equipped with handle hole (30), the operation Hole (30) is Hexagon hole.

4. a kind of cable connector according to any one of claim 1-3, it is characterised in that: the locking structure includes setting The threaded portion (33) in the outer peripheral sidewall of the fixed wedge (3) is set, and by the fixed wedge (3) extrusion forming in institute The link slot (41) of cable inner core (4) end is stated, the fixed wedge (3) is squeezed by threaded portion and screws in the link slot (41) Middle matching thread is fixed.

5. a kind of cable connector according to claim 1, it is characterised in that: the contact base (2) includes connecing described in connection Line seat (1) and the installation end (21) for being equipped with inner cavity, fixed wedge (3) stretching junction block are partially accommodated in the peace In the inner cavity for filling end (21).

6. a kind of cable connector according to claim 5, it is characterised in that: the helicitic texture includes being set to described connect External screw thread (12) on line seat (1) circumferential side wall, and be set on the intracavity sidewall of the installation end (21) and with the outer spiral shell The internal screw thread of line (12) cooperation.

7. a kind of cable connector according to claim 6, it is characterised in that: the fixed wedge (3) is copper metal material Integrally casting shaping.