Connecting terminal block for connecting wire harness and cable
Technical Field
The invention relates to the field of electrical equipment, in particular to a connecting terminal block for connecting a wire harness cable.
Background
The connecting terminal is used for conveniently connecting the wires, and is actually a section of metal sheet sealed in insulating plastic, holes are formed in two ends of the metal sheet, the wires can be inserted into the holes, screws are used for fastening or loosening, for example, two wires are connected at times and disconnected at times, the two wires can be connected through the terminal and disconnected at any time, the two wires do not need to be welded or wound together, and convenience and rapidness are achieved. The terminal block is one of the terminals, and connects a single terminal into a plurality of terminals in parallel.
The existing wiring terminal strip adopts single-point fixation on the fixation of a lead, so that the locking point of the lead is limited to a lead clamp, when the lead is acted by external force, acting force is concentrated at the joint of the lead and the lead clamp, the joint of the lead is easy to break, the lead and a connecting terminal are disconnected, and external components connected with the lead cannot work, namely the safety is low; b. when the existing wiring terminal block is connected in parallel, the terminal jacks of each wiring terminal block are all located in the same plane, so that the wiring difficulty of a wire is large, the trend of each wiring line cannot be clearly observed in later maintenance, and the practicability is low.
Disclosure of Invention
In order to solve the above problems, the present invention provides a wire harness cable connecting terminal block, which can solve the above problems in the background art.
In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose: a connecting terminal block for connecting a wire harness cable comprises an insulating base, fixing plates and a connecting plate, wherein first sliding blocks and first sliding grooves are symmetrically arranged at the upper end and the lower end of the insulating base, the three insulating bases are connected with each other in a matched mode through the first sliding blocks and the first sliding grooves, the two fixing plates are fixed through the connecting plate, a second sliding groove is formed in the fixing plate located at the top of the insulating base, the second sliding groove and the first sliding blocks are of a matched structure, a second sliding block is arranged on the upper end face of the fixing plate located at the bottom of the insulating base, and the second sliding block and the first sliding grooves are of a matched structure;
the insulation base comprises a wire inserting hole, a wire clamping assembly, a wire clamp, a clamping ring, a locking assembly and a screwing screw, the wire inserting hole is formed in the vertical direction in the insulation base, a threaded connecting hole and a counter bore are respectively formed in the horizontal direction of the insulation base, the counter bore is of a structure that a rectangular hole is communicated with a cylindrical hole with an internal thread, the thread connecting hole and the counter bore are communicated with the wire inserting hole, both ends of the wire inserting hole are provided with wire clamping components, the wire clamp is embedded in the inner wall of the wire inserting hole, the screwing screw is arranged in the thread connecting hole through thread fit, the bottom of the screwing screw is positioned at one side of the wire clamp, the inner wall of the wire inserting hole is positioned right below the wire clamp and is clamped with a clamping ring, a locking component is arranged right below the clamping ring, one end of the locking component is inserted into the counter bore, and an arc groove is formed at the joint of the inner wall of the plug wire hole and the locking component;
the locking assembly comprises a lantern ring, a locking groove, an arc locking plate, an installation block, a limiting trapezoid sliding groove, a push rod, a limiting slide block, a first steel ball and an extrusion rod, wherein the locking groove is formed in one end inside the lantern ring, a connecting hole is formed in the other end inside the lantern ring, the arc locking plate is placed inside the connecting hole, the push rod is connected to the center position of a concave surface of the arc locking plate, the limiting slide block is adhered to two sides of the push rod, a first semicircular groove is formed in the center position of the top end of the push rod, the first steel ball is placed inside the first semicircular groove, a second semicircular groove is formed in the center position of the bottom of the extrusion rod, the second semicircular groove is pressed against the top of the first steel ball, a connecting thread is formed in the outer wall of the extrusion rod, the extrusion rod and a cylindrical hole in a counter bore are matched mechanisms, the installation block is arranged on the outer side of the, the one end of installation piece bonds at the outer wall of the lantern ring, spacing trapezoidal spout has been seted up to the inner wall of installation piece, and spacing trapezoidal spout is the cooperation structure with spacing slider, the inner wall of locking recess and the arc surface of circular arc locking board all adhere and have the rubber cushion, prevent to crush the protective layer of wire in the locking process, pass the lantern ring with the one end of wire, rotate the extrusion stem through the cross sword, drive the extrusion stem and remove along the inner wall of counter bore, and the extrusion push rod, make the spacing slider of push rod both sides remove in spacing trapezoidal spout, drive circular arc locking board and remove, when the arc surface of circular arc locking board extrudees the wire to the inside of locking recess, stop the rotation to the extrusion stem, so both can lock the wire.
Furthermore, the connecting plate comprises a fixed disc, a second steel ball, a rotating disc and a threaded rod, the threaded rod is installed inside the connecting plate through threaded fit, the rotating disc is bonded at the top end of the threaded rod, the fixed disc is bonded on the side wall of the insulating base, the fixed disc and the rotating disc are located in the same plane, a cylindrical groove is formed in the fixed disc, the rotating disc is inserted into the cylindrical groove, U-shaped grooves are formed in the joints of the fixed disc and the rotating disc, the second steel ball is placed in the U-shaped groove, the threaded rod is rotated inside the connecting plate through a cross knife, because the threaded rod is in threaded fit connection with the connecting plate, and simultaneously, the rotating disc at the top end of the threaded rod rotates in the fixed disc, guarantee the displacement that the threaded rod can realize the horizontal direction relative to the connecting plate promptly to promote insulating base and remove, accomplish the regulation of insulating base position.
Further, the snap ring is the component of an omega type structure, and the guide way has been seted up to the inner wall equidistant of snap ring, will tie into a stranded wire with the wire more through the snap ring, and the outer wall laminating of every wire is in the guide way, is difficult for the extrusion deformation between the wire.
Further, the card line subassembly includes triangle circular arc cardboard and resilience sponge piece, the equidistant bonding of inner wall circumference position in plug wire hole has a plurality ofly triangle circular arc cardboard, it has the resilience sponge piece to fill between the inner wall of triangle circular arc cardboard and the inner wall in plug wire hole, when inserting the plug wire hole with the wire from the outer wall of triangle circular arc cardboard, triangle circular arc cardboard receives the effect of extrusion force to take place elastic deformation and produces the resilience force, the resilience sponge piece of the inboard adhesion of offset extrusion that deformation produced simultaneously, make the resilience sponge piece compression produce the resilience force, the common resilience force of this triangle circular arc cardboard and resilience sponge piece is under the effect, make triangle circular arc cardboard hug closely the outer wall at the wire, make the wire be difficult for droing.
Furthermore, one end of the fixing plate, which is close to the connecting plate, is connected with a J-shaped hanging lug, a mounting hole is formed in the J-shaped hanging lug, and the main body of the power distribution box can be conveniently hung on the inner wall of the power distribution box through the J-shaped hanging lug.
Further, the quantity of insulation base is three, three insulation base is the component that the structure is the same, and is three insulation base relative fixation board reduces step by last size from down, and insulation base adopts the mode of arranging that reduces step by last size from down for when the pencil that maintainer pegged graft in insulation base upper end was maintained, the trend of every wire of observation that can be clear, make more convenience of overhaul.
The invention has the beneficial effects that:
1. according to the wiring terminal block for connecting the wire harness cable, the fixing mode between the wire and the wiring terminal block is changed into multi-point fixing, on one hand, the linear position of the wire inlet end of the wire is locked through the wire clamping assembly, so that the wire is not prone to falling off in the installation process, on the other hand, the wire is locked inside the locking groove through the locking assembly, therefore, under the action of external force, the first stress point moves to the top center of the arc locking plate, the acting force of the wire connecting position is weakened, the wire connecting position cannot be broken, and the safety protection performance is improved.
2. According to the wiring terminal block for connecting the wire harness cable, the adjacent wiring terminal blocks are connected in a sliding fit mode, the relative positions of the wiring terminal blocks can be adjusted by screwing screws, so that a trapezoidal structure from top to bottom can be formed between the wiring terminal blocks, the wiring harness direction between each wiring terminal block is clear and visible, later maintenance is facilitated, and meanwhile, the dislocation amount between each wiring terminal block is convenient for operators to wire.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a side view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of the insulator base of the present invention;
FIG. 3 is a cross-sectional view of a wire clamp of the present invention;
FIG. 4 is a cross-sectional view of the locking assembly of the present invention;
figure 5 is a top view of the locking assembly of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-5, a wire-harness cable connection terminal block comprises an insulation base 1, fixing plates 2 and a connecting plate 3, wherein first sliding blocks and first sliding grooves are symmetrically arranged at the upper end and the lower end of the insulation base 1, the three insulation bases 1 are connected with each other through the first sliding blocks and the first sliding grooves in a matching manner, the two fixing plates 2 are fixed through the connecting plate 3, a second sliding groove is formed in the fixing plate 2 located at the top of the insulation base 1, the second sliding groove and the first sliding blocks are of a matching structure, a second sliding block is arranged on the upper end face of the fixing plate 2 located at the bottom of the insulation base 1, and the second sliding block and the first sliding groove are of a matching structure;
the insulation base 1 comprises a wire inserting hole 11, a wire clamping component 12, a wire clamp 13, a clamping ring 14, a locking component 15 and a screwing screw 16, the wire inserting hole 11 is vertically arranged in the insulation base 1, a threaded connecting hole and a counter bore are respectively arranged in the horizontal direction of the insulation base 1, the counter bore is a structure with a rectangular hole communicated with a cylindrical hole with internal threads, the threaded connecting hole, the counter bore and the wire inserting hole 11 are communicated with each other, the wire clamping component 12 is arranged at both ends of the wire inserting hole 11, the wire clamp 13 is embedded in the inner wall of the wire inserting hole 11, the screwing screw 16 is arranged in the threaded connecting hole through threaded fit, the bottom of the screwing screw 16 is positioned at one side of the wire clamp 13, the clamping ring 14 is clamped at the position under the wire clamp 13 on the inner wall of the wire inserting hole 11, the locking component 15 is arranged under the clamping ring 14, one end of the locking component 15 is, an arc groove is formed at the joint of the inner wall of the wire inserting hole 11 and the locking component 15;
the locking assembly 15 comprises a lantern ring 151, a locking groove 152, an arc locking plate 153, a mounting block 154, a limit trapezoidal sliding groove 155, a push rod 156, a limit sliding block 157, a first steel ball 158 and an extrusion rod 159, wherein the locking groove 152 is formed in one end inside the lantern ring 151, a connecting hole is formed in the other end inside the lantern ring 151, the arc locking plate 153 is placed inside the connecting hole, the push rod 156 is connected to the center position of a concave surface of the arc locking plate 153, the limit sliding block 157 is adhered to two sides of the push rod 156, a first semicircular groove is formed in the center position of the top end of the push rod 156, the first steel ball 158 is placed inside the first semicircular groove, a second semicircular groove is formed in the center position of the bottom of the extrusion rod 159, the second semicircular groove is pressed against the top of the first steel ball 158, a connecting thread is formed in the outer wall of the extrusion rod 159, the extrusion rod 159 and a cylindrical hole, the section of the mounting block 154 is rectangular, the mounting block 154 is matched with the rectangular hole in the counter bore, one end of the mounting block 154 is adhered to the outer wall of the lantern ring 151, the inner wall of the mounting block 154 is provided with a limit trapezoidal sliding groove 155, and the limit trapezoidal sliding groove 155 and the limit sliding block 157 are in a matching structure, the inner wall of the locking groove 152 and the arc surface of the arc locking plate 153 are both adhered with rubber cushions, so as to prevent the protective layer of the lead from being crushed in the locking process, one end of the lead passes through the lantern ring 151, the extrusion rod 159 is rotated by the cross knife, the extrusion rod 159 is driven to move along the inner wall of the counter bore, and the push rod 156 is extruded, so that the limit sliding blocks 157 at the two sides of the push rod 156 move in the limit trapezoidal sliding groove 155, the arc locking plate 153 is driven to move, and the rotation of the extrusion rod 159 is stopped until the arc surface of the arc locking plate 153 extrudes the lead to the inside of the locking groove 152, so that the lead can be locked.
The connecting plate 3 comprises a fixed disc 31, second steel balls 32, a rotating disc 33 and a threaded rod 34, the threaded rod 34 is installed inside the connecting plate 3 in a threaded fit manner, the rotating disc 33 is bonded to the top end of the threaded rod 34, the fixed disc 31 is bonded to the side wall of the insulating base 1, the fixed disc 31 and the rotating disc 33 are located in the same plane, a cylindrical groove is formed in the fixed disc 31, the rotating disc 33 is inserted into the cylindrical groove, a U-shaped groove is formed in the joint of the fixed disc 31 and the rotating disc 33, the second steel balls 32 are placed in the U-shaped groove, the threaded rod 34 rotates inside the connecting plate 3 through a cross knife, the threaded rod 34 is in threaded fit connection with the connecting plate 3, meanwhile, the rotating disc 33 at the top end of the threaded rod 34 rotates inside the fixed disc 31, namely, the threaded rod 34 is guaranteed to be capable of realizing horizontal, thereby pushing the insulating base 1 to move and completing the adjustment of the position of the insulating base 1.
Snap ring 14 is the component of an omega type structure, and the inner wall of snap ring 14 is equidistant to have seted up the guide way, will tie into a stranded wire with the wire more through snap ring 14, and the outer wall laminating of every wire is in the guide way, is difficult for the extrusion deformation between the wire.
Card line subassembly 12 includes triangle circular arc cardboard 121 and resilience sponge piece 122, the equidistant bonding in inner wall circumferential direction position of plug wire hole 11 has a plurality ofly triangle circular arc cardboard 121, it has resilience sponge piece 122 to fill between the inner wall of triangle circular arc cardboard 121 and the inner wall of plug wire hole 11, when inserting plug wire hole 11 with the wire from triangle circular arc cardboard 121's outer wall, triangle circular arc cardboard 121 receives the effect of extrusion force to take place elastic deformation and produces the resilience force, the resilience sponge piece 122 of the inboard adhesion of offset extrusion that deformation produced simultaneously, make resilience sponge piece 122 compression produce the resilience force, under this triangle circular arc cardboard 121 and resilience sponge piece 122's common resilience force effect, make triangle circular arc cardboard 121 hug closely the outer wall at the wire, make the wire be difficult for droing.
One end of the fixing plate 2 close to the connecting plate 3 is connected with a J-shaped hanging lug, a mounting hole is formed in the J-shaped hanging lug, and the main body of the invention can be conveniently hung on the inner wall of the distribution box through the J-shaped hanging lug.
Insulating base 1's quantity is three, and is three insulating base 1 is the component that the structure is the same, and is three insulating base 1 relative fixed plate 2 reduces step by last size from down, and insulating base 1 adopts the mode of arranging that reduces step by last size from down for when the pencil of pegging graft in insulating base 1 upper end is maintained to the maintainer, the trend of every wire of observation that can be clear, make the convenience more of overhauing.
The working principle of the invention is as follows:
the adjusting process of the insulating base comprises the following steps: rotate threaded rod 34 through the cross sword and rotate in the inside of connecting plate 3, because be connected for screw-thread fit between threaded rod 34 and the connecting plate 3, simultaneously, threaded rod 34 top rotating disc 33 is in the inside rotation of fixed disc 31, guarantees promptly that threaded rod 34 can realize the displacement of horizontal direction relative to connecting plate 3 to promote the removal of insulation base 1, accomplish the regulation of insulation base 1 position.
And (3) a wire locking process: and inserting the wire into the wire clamping assembly 12 at the opening of the wire inserting hole 11, pushing the wire to sequentially pass through the lantern ring 151 and the wire clamp 13, and finally locking the screwing screw 16 and the extrusion rod 159 through the cross knife to complete the wire locking process.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.