CN209786210U

CN209786210U - quick wiring terminal

Info

Publication number: CN209786210U
Application number: CN201920776248.5U
Authority: CN
Inventors: 李树聪
Original assignee: Zhongshan Yinglilai Electrical Technology Co ltd
Current assignee: Zhongshan Wosign Electrical Technology Co ltd
Priority date: 2019-05-27
Filing date: 2019-05-27
Publication date: 2019-12-13
Anticipated expiration: 2029-05-27

Abstract

The utility model discloses a quick wiring terminal, including company's spool and connecting seat, the connecting seat is installed in the one end of company's spool and is made the inside locking wire chamber that forms of line pipe, the pipe diameter that the one end of connecting seat was kept away from to company's spool is less than the pipe diameter of its one end that is close to the connecting seat, thereby make the locking wire chamber form the throat in the one end of keeping away from the connecting seat, the connecting seat is provided with the expansion push rod towards this throat, the one end that the expansion push rod is close to the throat is provided with separated time pyramis, and the expansion push rod can move and fix towards the throat, in order to be used for adjusting the clearance size between separated time. The utility model discloses the realization realizes simple quick reliable connection or wire that moves back to the compression and the release in locking wire chamber, line easy operation, the dependable performance, and the tensile strength is strong, can solve the defect that traditional binding post exists, especially high voltage, heavy current transmission line to and in the electric circuit of high-speed motion product and the equipment that vibration frequency is high, vibration amplitude is big, can effectively prevent that the electric accident from taking place.

Description

Quick wiring terminal

Technical Field

The utility model belongs to the technical field of electrical transmission equipment, concretely relates to quick binding post who uses in electric wire transmission process.

background

In the modern society, electricity and people's work production life are inseparable, and power transmission passes through the wire and conveys each required power utilization place, and the extension of wire and the connection of power consumption terminal equipment are all independable binding post in the transmission process, and this ring of wire connection is extremely important to power transmission quality.

In the existing wire connection technology, modes such as cross winding connection, sleeve riveting, welding between wires and the like are used for a long time, and the connection modes have more defects, such as incapability of ensuring the reliability due to the influence of manual operation skill factors, complex operation, large restriction of environment and space, incapability of being reused, labor and time consumption, more wire consumption and the like.

In another connection method, a wire locking device is provided in a connection terminal, and a wire is clamped by a reverse buckle to realize wire connection. Although the connection mode is simple to operate, the defects of poor current carrying capacity, low tensile strength, easy looseness of the lead and low reliability exist.

In addition, the invention patent with the patent number ZL201510033667.6 discloses an electrical connection self-locking terminal, which comprises a wire inlet hole seat, a guide wire pressing conical shaft axially installed in the wire inlet hole seat, a rear seat and a spring installed in the rear seat, wherein the wire inlet hole seat is axially connected with the rear seat, the guide wire pressing conical shaft comprises a bearing part and a wire dividing conical part, a gap for allowing an electric wire to enter is formed between the wire inlet hole seat and the guide wire pressing conical shaft, spring cavities for installing the spring are arranged in the wire inlet hole seat and the rear seat, one end of the spring is pressed on the rear seat, and the other end of the spring is pressed on the bearing part of the guide wire pressing conical shaft. The connecting terminal with the structure can realize quick connection and self-locking, and can meet the requirements of wire connection with low tensile strength and small wire section. Although the technical solution disclosed in this patent can solve the above technical problems, the technical solution has the following disadvantages:

A. The operation of the spring and the wiring has repulsion and conflict, and is particularly embodied in that if the reverse expansion force of the spring is larger, the lead is difficult to insert, and if the reverse expansion force of the spring is smaller, the tensile capacity of the lead is poor, so that the operation is difficult to perform when the spring is used for connecting the lead with a large section, and the transmission quality of large-current transmission is difficult to guarantee;

B. the wire inserted into the wire inlet hole seat is strengthened, the wire is required to be separated through the wire separating conical part and folded into a preset gap through two paths, the connecting wire can be clamped after the preset insertion depth is reached, the wire can still rotate after being clamped, the connecting wire cannot be locked, the working reliability in the application environment with high current or vibration frequency and large amplitude is poor, and the connecting mode has the defects of poor current carrying capacity, low tensile strength, easiness in loosening of the wire and low reliability although the operation is simple.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a can effectively lock quick binding post of wire.

The utility model provides a technical scheme that its technical problem adopted is:

The utility model provides a quick connecting terminal, includes even spool and connecting seat, the connecting seat is installed in the one end of even spool and is made the inside locking wire chamber that forms of line pipe, the pipe diameter that the one end of connecting seat was kept away from to even spool is less than the pipe diameter of its one end that is close to the connecting seat to make the locking wire chamber form the throat in the one end of keeping away from the connecting seat, form the line ball stress surface through the inner wall of throat, the connecting seat is provided with the expansion push rod towards this throat, the one end that the expansion push rod is close to the throat is provided with the separated time pyramis, just the expansion push rod can move and fix towards the throat for adjust the clearance size between separated time pyramis and the throat line stress surface.

Preferably, the connecting seat is adjustably mounted on the connecting pipe to realize the movement adjustment of the expansion push rod in the lock wire cavity.

Preferably, be provided with the external screw thread on the connecting seat, even the spool is provided with the internal thread with the external screw thread adaptation, the connecting seat passes through external screw thread and interior screw-thread fit and installs on even the spool to realize adjusting through external screw thread and internal screw-thread cooperation simultaneously.

Preferably, both ends of the connecting seat are provided with external threads so as to be respectively provided with a connecting pipe to form a two-way wiring terminal structure.

preferably, the expansion push rod penetrates through the connecting seat, an elastic piece is sleeved on the expansion push rod, one end of the elastic piece is abutted against the connecting seat, and the other end of the elastic piece is abutted against the wire distributing conical part.

Preferably, the connecting seat is fixedly installed on the connecting pipe, and the expansion push rod is adjustably installed on the connecting seat to adjust the size of the gap between the branching pyramid part and the stress surface of the necking press line.

Preferably, the connecting seat is provided with a thread mounting hole, a screw limiting piece is mounted in the thread mounting hole, and the expansion push rod is mounted on the screw limiting piece, so that the adjustment of the gap between the branching pyramid part and the necking press line stress surface is realized through the thread adjustment between the screw limiting piece and the connecting seat.

Preferably, the expansion push rod penetrates through the screw rod limiting piece, an elastic piece is sleeved on the expansion push rod, one end of the elastic piece is abutted to the connecting seat or the screw rod limiting piece, and the other end of the elastic piece is abutted to the wire distributing conical portion.

Preferably, the conduit is provided with an observation hole penetrating through the wall of the conduit.

Preferably, the outer side of the connecting pipe or the outer sides of the connecting pipe and the connecting seat are coated with insulating sheaths.

The utility model has the advantages that:

The utility model discloses an adjust the expansion push rod and can realize compressing and releasing the lock wire chamber space, realize simple quick reliable connection or retreat wire, line easy operation, the dependable performance, tensile strength is strong, repeatedly usable can solve the defect that traditional binding post exists, but wide application in electric field, especially high voltage, heavy current transmission line to and in the electric circuit of high-speed motion product and the equipment that vibration frequency is high, vibration amplitude is big, can effectively prevent that the electric accident from taking place.

Drawings

The invention will be further described with reference to the following figures and examples:

Fig. 1 is a first structural schematic diagram of the present invention;

FIG. 2 is an exploded schematic view of the structure shown in FIG. 1;

FIG. 3 is a schematic structural view of the line-dividing conical part in a pyramid structure;

FIG. 4 is a second schematic structural view of the present invention;

Fig. 5 is an exploded view of the structure shown in fig. 4.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

Example 1

Referring to fig. 1, the utility model relates to a quick connecting terminal, including even spool 100 and connecting seat 300, connecting seat 300 is installed in the one end of even spool 100 and is made even inside locking wire chamber that forms of spool 100, the pipe diameter that even spool 100 kept away from the one end of connecting seat 300 is less than the pipe diameter that its one end is close to connecting seat 300 to make the locking wire chamber form the throat in the one end of keeping away from connecting seat 300, and the inner wall through the throat forms the line ball stress surface, connecting seat 300 is provided with expansion push rod 200 towards this throat, the one end that expansion push rod 200 is close to the throat is provided with separated time pyramis 201, just expansion push rod 200 can move and be fixed towards the throat to be used for adjusting the clearance size between separated time pyramis 201 and the throat line ball stress surface.

When the expansion push rod 200 is operated, the gap between the wire dividing conical part 201 and the stress surface of the necking wire is adjusted to the maximum, when a wire is inserted from the other end of the wire connecting pipe 100, the wire can smoothly enter the wire locking cavity and smoothly enter the gap around the wire dividing conical part 201 under the action of the wire dividing conical part 201. And then the expansion push rod 200 is adjusted to enable the splitting conical part 201 to move towards the necking to reduce the gap between the splitting conical part 201 and the stress surface of the necking line, so that the conducting wire is locked.

Further, in order to solve the problem that the lead is loosened due to long-term operation of a large current or changes in the cold and hot process of the ambient temperature, the expansion push rod 200 is arranged on the connecting seat 300 in a penetrating manner, the expansion push rod 200 is sleeved with an elastic member 500, one end of the elastic member 500 is abutted to the connecting seat 300, and the other end of the elastic member is abutted to the branching pyramid part 201. Therefore, when the expansion caused by heat and the contraction caused by cold occur, the expansion push rod 200 can automatically follow the lead and keep the contact force through the action of the elastic part 500, and the good transmission of the electric power is ensured.

The utility model discloses in realize that inflation push rod 200 can be towards throat motion and fixed first preferred embodiment do: the connecting seat 300 is adjustably installed on the connecting pipe 100 to adjust the movement of the expansion push rod 200 in the locking wire cavity.

Specifically, be provided with the external screw thread on the connecting seat 300, even spool 100 is provided with the internal thread with the external screw thread adaptation, connecting seat 300 is installed on even spool 100 through external screw thread and interior screw-thread fit to realize adjusting through external screw thread and internal screw-thread cooperation simultaneously.

Obviously, the adjustment method in the present embodiment is applicable to both the unidirectional terminal structure and the bidirectional terminal structure.

as shown in fig. 4 and 5, in order to implement the bidirectional terminal structure, the connection socket 300 of the present embodiment is a sleeve structure, and both ends of the connection socket 300 are provided with external threads to mount a connection pipe 100, respectively, to form the bidirectional terminal structure. In order to facilitate the rotation adjustment of the line connecting pipe 100 and the connecting seat 300, as shown in the figure, a thread limiting step is arranged between the external threads at the two ends of the connecting seat 300, and the thread limiting step is provided with two parallel tangent planes, so that the line connecting pipe can be fixed by a wrench or other calipers in the adjustment process, and a stressed support is provided for the screwing or the withdrawal of the line connecting pipe 100.

In order to realize the installation location of inflation push rod 200, the axle center through-hole both ends of this connecting seat 300 are provided with the spacing step hole that is used for adaptation installation screw rod locating part 301, the shoulder hole has been seted up to the axle center of two screw rod locating parts 301, the less one end in aperture of shoulder hole outwards and with the pole portion adaptation of inflation push rod 200, make inflation push rod 200 possess a small segment axial displacement stroke when installing in the shoulder hole, the pole portion of inflation push rod 200 penetrates in the shoulder hole and blocks and prescribe a limit through lock pin 302 or screw from the outside. The reset piece 500 is a spring and is sleeved on the rod part of the expansion push rod 200, one end of the reset piece is in contact with the expansion push rod 200, and the other end of the reset piece is in contact with the screw limiting piece 301.

when the bidirectional terminal structure of the present embodiment is used for operation, the fixing and connecting socket 300 is clamped, the connecting tube 100 is rotated to move in the pull-out direction, so that the gap between the branching taper portion 201 of the expansion push rod 200 and the constricted portion is increased, the wire is inserted into a proper position from the other end of the connecting tube 100, and then the connecting tube 100 is rotated in the reverse direction to be screwed, thereby clamping the wire.

The utility model discloses in realize that inflation push rod 200 can be towards throat motion and fixed second preferred embodiment do: the connecting seat 300 is fixedly installed on the connecting pipe 100, and the expansion push rod 200 is adjustably installed on the connecting seat 300 to adjust the gap between the branching pyramid part 201 and the necking line bearing surface.

as shown in fig. 1 and fig. 2, specifically, the connection seat 300 includes a clamping seat 304 capable of being clamped into the conduit 100 and a mounting plate 305 fixedly disposed outside the clamping seat 304, where the mounting plate 305 is disposed outside the clamping seat 304 to prevent the clamping seat 304 from being pressed into the conduit 100 together, and the clamping seat 304 and the mounting plate 305 can be formed by bending the same component during the production process. And the mounting board 305 is provided in a planar structure on which a connection hole 306 is provided, the connection hole 306 being used for connecting an external electric device. And this joint seat 304 is last to be provided with screw thread mounting hole 303 and in install screw rod locating part 301 in the screw thread mounting hole 303, expansion push rod 200 wears to locate on screw rod locating part 301, the separated time pyramis 201 of connecting seat 300 or screw rod locating part 301, the other end butt expansion push rod 200 of one end butt elasticity piece 500 to the regulation of the size of the clearance between separated time pyramis 201 and the throat line pressure bearing surface of expansion push rod 200 is realized through the screw thread regulation between screw rod locating part 301 and the connecting seat 300. In this embodiment, the specific installation of the expansion push rod 200 to the screw stopper 301 is the same as that of the first preferred embodiment. In order to adjust the screw position limiting member 301, the outer side of the stepped hole is designed to have an inner hexagonal structure to match with a hexagonal screwdriver.

In the present embodiment, a pair of clasping arms 102 is provided at one end of the conduit connecting pipe 100 where the clamping seat 304 is mounted, and the clasping arms 102 extend outward along the axial direction of the conduit connecting pipe 100 for a certain length, and then are bent toward the axial center, and the length of the clasping arms 102 is adapted to the clamping seat 304, so that the clamping seat 304 is clamped and prevented from falling off by the clasping arms 102, and good current transmission is also ensured.

obviously, the connection terminal in the present embodiment is applicable only to the one-way terminal structure.

When the unidirectional terminal structure of the present embodiment is used for operation, the hexagonal screwdriver is inserted into the stepped hole to rotate, so that the hexagonal screwdriver moves in the direction away from the throat to increase the gap between the branching pyramid 201 of the expansion push rod 200 and the pressure line bearing surface of the throat, and then the hexagonal screwdriver is rotated in the opposite direction to screw the conductor after the conductor is inserted into a proper position from the other end of the connecting line tube 100, thereby clamping the conductor.

In addition, the utility model discloses in still be provided with the observation hole 101 that link up its self pipe wall on the line pipe 100. Two observation holes 101 are provided and are respectively located on the opposite side walls of the conduit 100. In actual use, the installation condition of the lead can be observed through the observation hole 101, and the installation condition can be used for providing an acting force supporting point for the bayonet pliers even if the bayonet pliers are clamped into the observation hole 101 for acting.

The conduit 100 and the connecting seat 300 in this embodiment are made of conductive materials, and the expansion push rod 200, the screw limiting member 301, and other structures may be made of conductive materials.

Therefore, the outside of the conduit 100 or the outside of the conduit 100 and the connecting seat 300 is covered with the insulating sheath 400. The protection and insulation of the connection terminal are achieved by the insulating sheath 400. And in order to strengthen the locking of separated time pyramis 201 to the wire, as shown in the figure, the utility model provides a separated time pyramis 201 is conical structure, and circumference is provided with a plurality of bulge loops 202 on its lateral wall to increase the locking force when locking the wire.

to sum up, the utility model discloses an adjust expansion push rod 200 and can realize the compression and the release to the lockwire cavity space, realize simple quick reliable connection or retreat the wire, line easy operation, the dependable performance, tensile strength is strong, repeatedly usable can solve the defect that traditional binding post exists, but wide application in electric field, especially high voltage, heavy current transmission line to and in the electric circuit of high-speed motion product and equipment that vibration frequency is high, vibration amplitude is big, can effectively prevent the electrical accident from taking place. And through setting up elastic component 500, both can solve the wire and move for a long time or ambient temperature changes and produce not hard up in the cold and hot process of environmental temperature, and can provide the tensioning contact force for the tooth that threaded connecting pipe 100 or screw rod locating part 301 and connecting seat 300 are connected when keeping static, help improving structural stability. Meanwhile, the locking mode can prevent the lead from rotating, and the power transmission quality is guaranteed.

Example 2

The present embodiment mainly uses embodiment 1, except that, as shown in fig. 3, the branching taper portion 201 on the expansion push rod 200 in the present embodiment is a pyramid structure, and correspondingly, the internal necking of the connecting pipe 100 is a polygonal structure with corresponding edges.

The above embodiments are merely preferred embodiments of the present invention, and other embodiments are also possible. Equivalent modifications or substitutions may be made by those skilled in the art without departing from the spirit of the invention, and such equivalent modifications or substitutions are intended to be included within the scope of the claims set forth herein.

Claims

1. The utility model provides a quick wiring terminal, its characterized in that, includes even spool (100) and connecting seat (300), connecting seat (300) are installed in the one end of even spool (100) and are made even spool (100) inside locking wire chamber that forms, the pipe diameter that the one end of connecting seat (300) was kept away from in even spool (100) is less than the pipe diameter of its one end that is close to connecting seat (300) to make the locking wire chamber form the throat in the one end of keeping away from connecting seat (300), the inner wall through this throat forms the line ball stress surface, connecting seat (300) are provided with inflation push rod (200) towards this throat, the one end that inflation push rod (200) are close to the throat is provided with separated time pyramis (201), just inflation push rod (200) can move and fix towards the throat to be used for adjusting the clearance size between separated time pyramis (201) and the line ball stress surface.

2. A quick acting terminal as claimed in claim 1, wherein the attachment socket (300) is adjustably mounted on the conduit (100) for adjustment of movement of the expansion push rod (200) within the wire lock chamber.

3. A quick acting terminal as claimed in claim 2, wherein the connecting socket (300) is provided with an external thread, the conduit (100) is provided with an internal thread adapted to the external thread, the connecting socket (300) is mounted on the conduit (100) by the external thread cooperating with the internal thread, and adjustment is achieved by the cooperation of the external thread and the internal thread.

4. A quick acting terminal as claimed in claim 3, wherein both ends of the connecting socket (300) are externally threaded to mount a connecting tube (100) respectively to form a two-way terminal structure.

5. A quick connecting terminal according to any one of claims 2 to 4, wherein the expansion push rod (200) is inserted into the connecting base (300), and an elastic member (500) is sleeved on the expansion push rod (200), one end of the elastic member (500) is abutted against the connecting base (300), and the other end is abutted against the branching taper portion (201).

6. A quick acting terminal as claimed in claim 1, wherein the connecting base (300) is fixedly mounted on the conduit (100), and the expansion push rod (200) is adjustably mounted on the connecting base (300) to effect adjustment of the gap between the wire dividing taper (201) and the stress surface of the crimp.

7. The quick connecting terminal according to claim 6, wherein the connecting base (300) is provided with a threaded mounting hole (303) and a screw stopper (301) is mounted in the threaded mounting hole (303), the expansion push rod (200) is mounted on the screw stopper (301), so that the adjustment of the gap between the branching taper portion (201) and the necking press force bearing surface is realized through the thread adjustment between the screw stopper (301) and the connecting base (300).

8. The quick connecting terminal according to claim 7, wherein the expansion push rod (200) is inserted into the screw stopper (301), and the expansion push rod (200) is sleeved with an elastic member (500), one end of the elastic member (500) abuts against the connecting seat (300) or the screw stopper (301), and the other end abuts against the wire dividing taper (201).

9. A quick-acting terminal according to claim 1, characterised in that the conduit (100) is provided with a viewing hole (101) through its own wall.

10. A quick acting terminal as claimed in claim 1, characterised in that the outside of the conduit (100) or the outside of the conduit (100) and the connecting socket (300) is covered with an insulating sheath (400).