CN113451822B

CN113451822B - Integral high-current connector

Info

Publication number: CN113451822B
Application number: CN202110791339.8A
Authority: CN
Inventors: 唐继; 蒋芳芳; 李圣强; 马波
Original assignee: Sichuan Huafeng Technology Co Ltd
Current assignee: Sichuan Huafeng Technology Co Ltd
Priority date: 2021-07-13
Filing date: 2021-07-13
Publication date: 2022-09-16
Anticipated expiration: 2041-07-13
Also published as: CN113451822A

Abstract

The invention discloses an integrated high-current connector, wherein a through center hole is axially formed in a shell, a through hole is radially formed in the shell, a limiting block is arranged on the wall of the center hole on one side of the circumferential direction of the through hole, a contact element assembly comprises two assembled contact elements, each contact element comprises a connecting part and a butt joint part, the butt joint parts are connected with the connecting parts, flat surfaces are formed on the outer edges of the butt joint parts along the axial direction of the butt joint parts, so that a limiting step is formed between the connecting parts and the butt joint parts, the step surfaces of the butt joint parts are contact planes, the flat surfaces are located on one sides of the contact planes, a stepped through hole a is formed in at least one of the contact planes, and the connecting parts of the two contact elements are locked through a locking assembly arranged in the stepped through hole. The contact can be made male end and can be made female end again, practices thrift manufacturing cost, and a connection sharing casing has practiced thrift part and assembly space greatly, and when a plurality of connectors were required, the length of installation clamp and the number phase-match of connector can not additionally increase stack installation space.

Description

Integral high-current connector

Technical Field

The invention relates to a high-current connector, in particular to an integrated high-current connector.

Background

In high voltage and high current applications, a connector is often required to achieve high current and high voltage resistance in a limited space. Meanwhile, when a plurality of groups of high-current connectors need to be used, a single current connector needs an independent installation space, and the installation space needed by the plurality of groups of high-current connectors is larger.

Disclosure of Invention

The present invention aims to overcome the disadvantages of the prior art and to provide an integral high current connector.

The purpose of the invention is realized by the following technical scheme: an integrated high-current connector comprises a shell and a contact element assembly, wherein a through center hole is axially formed in the shell, a through hole is radially formed in the shell, a limiting block is arranged on the wall of the center hole on one side of the circumferential direction of the through hole, the contact element assembly comprises two assembled contact elements, each contact element comprises a connecting part and a butt joint part, the butt joint parts are connected with the connecting parts, each butt joint part is in a step shape, flat surfaces are formed in the outer edges of the butt joint parts along the axial direction of the butt joint parts, so that a limiting step is formed between each connecting part and the corresponding butt joint part, the step surfaces of the butt joint parts are contact planes, the flat surfaces are positioned on one side of the contact planes, stepped through holes a are formed in at least one contact plane, large holes of the stepped through holes a are far away from the contact planes, the butt joint parts of one contact element are inserted from the front end of the center hole, the butt joint parts of the other contact element are inserted from the rear end of the center hole, and the flat surfaces of the two contact elements are respectively attached to the surfaces of the corresponding limiting block, the limiting steps of the two contact elements are attached to the end faces of the corresponding limiting blocks, the contact planes of the two contact elements are attached to each other, the connecting parts of the two contact elements are locked through the locking assemblies arranged in the stepped through holes, the locking assemblies penetrate through the through holes, and the through holes are sealed through the sealing plugs.

Optionally, along the step direction of the abutting portion, the surface connected to the contact plane is a wedge surface.

Optionally, a connecting hole for connecting a cable is axially formed in the connecting portion, an observation hole is radially formed in the outer edge of the connecting portion, and the observation hole is communicated with the tail portion of the connecting hole.

Optionally, the shell comprises a fixed section and a connecting section, the connecting section is arranged at the front end and the rear end of the fixed section, and the end of the connecting section is connected with a tail nut.

Optionally, a reaming hole is axially formed in the connecting section, the reaming hole and the central hole are coaxially arranged, the diameter of the reaming hole is larger than that of the central hole, a transitional taper hole is formed between the reaming hole and the central hole, a sealing sleeve and a pressing ring are sequentially installed in the reaming hole from inside to outside, the tail nut compresses the pressing ring, and the pressing ring extrudes the sealing sleeve.

Optionally, the device further comprises a mounting clip, and the mounting clip is provided with a plurality of shells arranged at intervals.

Optionally, the mounting clamp includes two clamping blocks, a plurality of through grooves are axially formed in a clamping surface of the clamping block, the two clamping blocks are locked through screws, and the two corresponding through grooves clamp the shell.

Optionally, the fixed section is cylindrical, a flat surface attached to the side wall of the through groove is arranged on the outer circle of the fixed section, the through hole is formed in the flat surface, and the length of the flat surface is the same as that of the clamping block.

Optionally, the number of the flat surfaces is four, the flat surfaces are respectively distributed in the upper direction, the lower direction, the left direction and the right direction, through holes are formed in the flat surfaces of the upper side and the lower side, and the flat surfaces of the shell are attached to the side walls of the corresponding through grooves.

Optionally, a plurality of screw holes are formed in one clamping block along the vertical direction, the screw holes are located on one side of the through groove, a stepped through hole c corresponding to the screw holes is formed in the other clamping block along the vertical direction, the screw penetrates through the stepped through hole c and is locked with the screw holes, and the head of the screw is located in the stepped through hole c.

The invention has the following advantages:

1. the contact can be used as a male end and a female end, the contact structures used in one connector are not distinguished any more, the same structure is used for the left and right sides of connection, the manufacturing cost is saved, the connection is convenient and reliable, meanwhile, the contact is locked by the locking assembly and is easy to separate and disassemble, a special tool is not needed, and the connector is economical and efficient.

2. The shell of the invention shares one shell for one connection, thus greatly saving parts and assembly space, realizing the connection and separation of the connector through the contact and separation of the contact elements, and greatly saving the space occupied by the shell.

3. Through the installation clamp, the combination of connector is realized for the connector can meet an emergency at random, uses more occasions, and simultaneously, the mounting hole of connector is established on the installation clamp, has also saved the installation space of connector greatly, and when a plurality of connectors were pressed from both sides in the needs, the length of installation clamp and the number phase-match of connector can not additionally increase stack installation space.

Drawings

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

FIG. 2 is a second structural diagram of the present invention;

FIG. 3 is a schematic cross-sectional view of C-C of FIG. 2;

FIG. 4 is a schematic view of the mounting clip;

FIG. 5 is a first schematic view of a contact assembly;

FIG. 6 is a second schematic structural view of a contact assembly;

FIG. 7 is a schematic cross-sectional view of a contact assembly;

FIG. 8 is a schematic view of a contact structure;

FIG. 9 is a first schematic structural diagram of the housing;

FIG. 10 is a second schematic view of the housing

FIG. 11 is a schematic cross-sectional view A-A of FIG. 10;

FIG. 12 is a schematic cross-sectional view of B-B of FIG. 10;

in the figure, 100-contact component, 200-shell, 300-mounting clamp, 400-tail nut, 500-sealing plug, 600-sealing sleeve, 700-clamping ring, 800-bolt component, 301-clamping block, 302-through groove, 303-screw, 304-stepped through hole b, 305-screw hole, 306-stepped through hole c, 101-connecting part, 102-butt joint part, 103-wedge surface, 104-stepped through hole a, 105-flat surface, 106-contact plane, 107-observation hole, 108-limit step, 109-contact part, 201-fixing section, 202-connecting section, 203-convex ring, 204-connecting cylinder, 205-limit end surface, 206-flat surface, 207-through hole, 208-center hole, 209-limit block, 210-reaming.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of 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 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 figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that the products of the present invention conventionally lay out when in use, or orientations or positional relationships that are conventionally understood by those skilled in the art, which are merely for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

As shown in fig. 1, 2 and 3, an integrated high-current connector includes a housing 200 and a contact assembly 100, in this embodiment, the housing 200 has a through center hole 208 axially formed, and the housing 200 has a through hole 207 radially formed therein, and a stopper 209 is disposed on a hole wall of the center hole 208 located on one side of the circumferential direction of the through hole 207, as shown in fig. 5 to 8, the contact assembly 100 includes two assembled contacts 109, each contact 109 includes a connecting portion 101 and an abutting portion 102, the abutting portion 102 is connected to the connecting portion 101, the abutting portion 102 is step-shaped, and a flat surface 105 is axially formed on an outer edge of the abutting portion 102 along the outer edge thereof, so that a limiting step 108 is formed between the connecting portion 101 and the abutting portion 102, preferably, the connecting portion 101 is circular, and in order to facilitate processing of the flat surface 105, a relief groove is formed at a connection portion between the connecting portion 101 and the abutting portion 102.

In this embodiment, as shown in fig. 8, the step surfaces of the abutting portion 102 are the contact planes 106, and the flat planes 105 are located on one side of the contact planes 106 in the circumferential direction, in this embodiment, two stoppers 209 are located on the left and right sides of the through hole 207, respectively, and two flat planes 105 are located on the left and right sides of the contact planes 106, respectively, preferably, the contact planes 106 are horizontally disposed, and the contact planes 106 are perpendicular to the flat planes 105.

In this embodiment, as shown in fig. 8, at least one contact plane 106 is provided with a stepped through hole a104, preferably, the abutting portion 102 is a step, so that the contact plane 106 is one, and the large hole of the stepped through hole a104 is far from the contact plane 106, when mounting, the abutting portion 102 of one contact 109 is inserted from the front end of the central hole 208, the abutting portion 102 of the other contact 109 is inserted from the rear end of the central hole 208, and the flat surfaces 105 of the two contacts 109 are respectively attached to the surfaces of the corresponding stoppers 209, so that the contacts 109 cannot rotate circumferentially, when the limiting step 108 of the contact 109 is attached to the end surface of the corresponding stopper 209, it is indicated that the contact 109 is inserted in place, at this time, the contact planes 106 of the two contacts 109 are attached, and the two stepped through holes a104 are overlapped, the connecting portion 101 of the two contacts 109 is locked by the locking assembly 800 installed in the stepped through hole, and the locking assembly 800 penetrates through the through hole 207, specifically, the nut is put into the large hole of the stepped through hole a104 from a through hole 207, then the screw rod is inserted into the other through hole 207, and the screw rod and the nut are locked, after the screw rod and the nut are locked, the head of the screw rod is positioned in the large hole corresponding to the stepped through hole a104, preferably, the head of the screw rod is provided with a straight groove or a multi-edge hole, further, the head of the screw rod is provided with a hexagonal hole, the screw rod is a standard component and can be selected according to actual requirements, after the contact element assembly 100 is installed in the shell body 200, the contact element 109 can not axially move or circumferentially rotate, when in disassembly, only a disassembling tool needs to be inserted into the through hole 207, the screw rod is loosened, the separation of the contact element assembly 100 can be realized, then the contact element 109 can be taken out from the central hole 208, therefore, the disassembly and assembly are extremely convenient, one connection can share one shell body 200, and the parts and the assembly space are greatly saved, the connection and separation of the connectors are realized by the contact and separation of the contact 109, and the space occupied by the housing 200 is greatly saved.

In this embodiment, in order to ensure the waterproof performance of the connector, as shown in fig. 3, the through hole 207 is sealed by the sealing plug 500, and when the locking assembly 800 is installed, the sealing plug 500 is installed in the through hole 207, and when the locking assembly 800 needs to be disassembled, the sealing plug 500 is taken out.

In the present embodiment, along the step direction of the abutting portion 102, the surface connected to the contact plane 106 is the wedge surface 103, and when the two contacts 109 are assembled, a gap is formed between the two opposite wedge surfaces 103.

In this embodiment, a connection hole for connecting a cable is axially formed in the connection portion 101, an observation hole 107 is radially formed in the outer edge of the connection portion 101, the observation hole 107 is communicated with the tail portion of the connection hole, and whether the cable and the contact member 109 are assembled in place can be directly observed through the observation hole 107.

In this embodiment, as shown in fig. 9 to fig. 12, the housing 200 includes a fixing section 201 and a connecting section 202, the connecting section 202 is disposed at both the front and rear ends of the fixing section 201, a tail nut 400 is connected to an end of the connecting section 202, the tail nut 400 has a wire fixing effect, in order to further improve the waterproof performance and the fixing performance of the connector, a counterbore 210 is axially disposed on the connecting section 202, the counterbore 210 is disposed coaxially with the central hole 208, the diameter of the counterbore 210 is greater than that of the central hole 208, a transitional tapered hole is disposed between the counterbore 210 and the central hole 208, a gland 600 and a pressure ring 700 are sequentially mounted in the counterbore 210 from inside to outside, the gland 600 and the pressure ring 700 are both sleeved on the cable, after the tail nut 400 is locked, the tail nut 400 compresses the pressure ring 700, the pressure ring 700 compresses the gland 600, further, a limit ring is disposed at an end of the pressure ring 700, the limit ring is compressed between the tail nut 400 and an end face of the connecting section 202, in this embodiment, the connection section 202 includes a connection barrel 204, one end of the connection barrel 204 close to the fixing section 201 is provided with a limit convex ring 203, an external thread connected with the tail nut 400 is provided on the connection barrel 204, one end of the limit convex ring 203 close to the external thread forms a limit end surface 205, and the limit end surface 205 can be used for limiting the tail nut 400.

In this embodiment, the integral type heavy current connector still includes the installation clamp 300, and the installation clamp 300 centre gripping has the casing 200 that a plurality of intervals set up, and further, the installation clamp 300 includes two grip blocks 301, and a plurality of logical grooves 302 have been seted up axially on the clamping face of grip block 301, and is preferred, leads to groove 302 and is the rectangular channel, leads into the fillet at two corners of the bottom of rectangular channel, and two grip blocks 301 lock through screw 303, and two correspond to lead to groove 302 and press from both sides tight casing 200.

In this embodiment, the fixing section 201 is cylindrical, the outer circle of the fixing section 201 is provided with the flat surface 206 attached to the side wall of the through groove 302, the through hole 207 is formed in the flat surface 206, and the length of the flat surface 206 is the same as that of the clamping blocks 301, so that, after the fixing section 201 is clamped by the two clamping blocks 301, the fixing section 201 cannot move axially, meanwhile, the flat surface 206 is attached to the side wall of the through groove 302, and the fixing section 201 cannot rotate circumferentially, thereby ensuring the mounting stability of the housing 200 and the mounting clip 300, preferably, four flat surfaces 206 are provided and are respectively distributed in the upper, lower, left and right directions, wherein the flat surfaces 206 on the upper side and the lower side are provided with the through holes 207, and the flat surfaces 206 of the housing 200 are both attached to the side wall of the corresponding through groove 302, after the mounting clip 300 and the housing 200 are mounted, at this time, the sealing gasket located at the through hole 207 is extruded in the through hole 207 by the side wall of the through groove 302, thereby ensuring the sealing performance of the through hole 207 and having good waterproof and airtight performances.

In this embodiment, a plurality of screw holes 305 are formed in one clamping block 301 along the up-down direction, the screw holes 305 are located at one side of the through groove 302, a step through hole c306 corresponding to the screw holes 305 is formed in the other clamping block 301 along the up-down direction, the screw 303 penetrates through the step through hole c306 and is locked with the screw holes 305, and the head of the screw 303 is located in the step through hole c306, further, the screw holes 305 and the step through holes c306 on the clamping block 301 may be staggered, for example, a screw hole 305 may be formed on the clamping block 301, and then a step through hole c306 is formed, in this embodiment, step through holes b304 are further formed in both sides of the clamping block 301, the screw 303 and the step through hole c306 are located between the two step through holes b304, and then the two clamping blocks 301 are locked by a bolt assembly installed in the step through holes b 304.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. Integral type heavy current connector, its characterized in that: the contact element assembly comprises two assembled contact elements, each contact element comprises a connecting part and a butt joint part, the butt joint part is connected with the connecting part, the butt joint part is in a step shape, a flat surface is arranged on the outer edge of the butt joint part along the axial direction of the butt joint part, so that a limiting step is formed between the connecting part and the butt joint part, the step surface of the butt joint part is a contact plane, the flat surface is positioned on one side of the contact plane, at least one contact plane is provided with a step through hole a, the large hole of the step through hole a is far away from the contact plane, and the butt joint part of one contact element is inserted from the front end of the central hole, the butt joint part of the other contact element is inserted from the rear end of the central hole, the flat surfaces of the two contact elements are respectively attached to the surfaces corresponding to the limiting blocks, the limiting steps of the two contact elements are attached to the end surfaces corresponding to the limiting blocks, the contact planes of the two contact elements are attached to each other, the connecting part of the two contact elements is locked by a locking component arranged in a stepped through hole, the locking component penetrates through the through hole, the through hole is sealed by a sealing plug, the shell comprises a fixing section and a connecting section, the front end and the rear end of the fixing section are respectively provided with a connecting section, the end part of the connecting section is connected with a tail nut, a reaming hole is axially arranged on the connecting section, the reaming hole and the central hole are coaxially arranged, the diameter of the reaming hole is larger than that of the central hole, and a transitional tapered hole is arranged between the reaming hole and the central hole, the seal sleeve and the pressing ring are sequentially arranged in the expanded hole from inside to outside, the tail nut compresses the pressing ring, and the pressing ring extrudes the seal sleeve.

2. An integral high current connector according to claim 1, wherein: and along the step direction of the butt joint part, the surface connected with the contact plane is a wedge-shaped surface.

3. The integrated high current connector of claim 2, wherein: the connecting part is axially provided with a connecting hole for connecting a cable, the outer edge of the connecting part is radially provided with an observation hole, and the observation hole is communicated with the tail part of the connecting hole.

4. The integrated high current connector of claim 3, wherein: still include the installation clamp, the installation clamp is held a plurality of intervals and is set up the casing.

5. The integrated high current connector of claim 4, wherein: the mounting clamp comprises two clamping blocks, a plurality of through grooves are axially formed in the clamping surfaces of the clamping blocks, the two clamping blocks are locked through screws, and the two clamping blocks correspond to the through grooves and clamp the shell.

6. The integrated high current connector of claim 5, wherein: the fixed section is cylindrical, a flat surface attached to the side wall of the through groove is arranged on the outer circle of the fixed section, the through hole is formed in the flat surface, and the length of the flat surface is the same as that of the clamping block.

7. The integrated high current connector of claim 6, wherein: the flat surfaces are four and are respectively distributed in the upper direction, the lower direction, the left direction and the right direction, wherein the upper side and the lower side are provided with the through holes, and the flat surfaces of the shell are all attached to the side walls of the corresponding through grooves.

8. The integrated high current connector of claim 7, wherein: and a plurality of screw holes are formed in the clamping block along the vertical direction, the screw holes are positioned on one side of the through groove, a stepped through hole c corresponding to the screw holes is formed in the other clamping block along the vertical direction, the screw penetrates through the stepped through hole c and is locked with the screw holes, and the head of the screw is positioned in the stepped through hole c.