CN110661138A

CN110661138A - Cable connector butt joint structure

Info

Publication number: CN110661138A
Application number: CN201810688408.0A
Authority: CN
Inventors: 洪任远; 胡志文; 柯昆德
Original assignee: Kunshan Amphenol Zhengri Electronics Co Ltd; Amphenol LTW Technology Co Ltd
Current assignee: Kunshan Amphenol Zhengri Electronics Co Ltd; Amphenol LTW Technology Co Ltd
Priority date: 2018-06-28
Filing date: 2018-06-28
Publication date: 2020-01-07

Abstract

The invention discloses a cable connector butt joint structure, which comprises a first joint and a second joint, wherein the first joint is connected with the second joint through a cable; the first joint comprises a first butt joint part, a plurality of plug terminals and an external thread part arranged on the peripheral surface of the first butt joint part; the second joint comprises a second butt joint part, a plurality of plug-in holes, a lock sleeve, a slot formed between the lock sleeve and the second butt joint part, a positioning sleeve ring sleeved on the lock sleeve, a plurality of clamping pieces arranged between the positioning sleeve ring and the lock sleeve at intervals, and a lock joint quick release ring locked on the lock sleeve; each clamping piece is rotationally pressed by the buckling quick-release ring, and each internal thread part of each clamping piece is meshed with the external thread part; therefore, the first joint and the second joint are locked with each other, and the quick disassembling or releasing effect is achieved.

Description

Cable connector butt joint structure

Technical Field

The present invention relates to a connector docking structure, and more particularly, to a cable connector docking structure for transmitting power or electrical signals.

Background

The conventional cable connector is mainly connected with a plurality of first connectors of a first cable and a plurality of second connectors of a second cable in an inserting manner, so as to achieve the purpose of transmitting electric power and/or electric signals. To avoid the cable connector from being unexpectedly separated and to interrupt the power or electrical signal, the first connector and the second connector are stably connected by, for example, a quick-connect and push-pull method, a rotating locking method, or a screw-tooth tightening and engaging method.

However, in the above-mentioned butt joint method, although the operation of quick connection and pulling can separate the two joints quickly and conveniently, the connection effect after butt joint cannot be ensured, especially when the two joints are pulled or vibrated by external force. Although the reliable butt joint effect of two joints can be ensured by operating modes such as rotating lock catches or screw tooth tightening, the effect of quick disassembly cannot be achieved, and the use is still inconvenient.

In view of the above, the present invention provides a method for improving and solving the above-mentioned deficiencies, and aims to provide a method for improving and solving the above-mentioned deficiencies, which is reasonable in design and effective in improving the above-mentioned deficiencies.

Disclosure of Invention

An objective of the present invention is to provide a cable connector docking structure with stable locking and quick releasing effects.

To achieve the above objective, the present invention provides a cable connector butt-joint structure, which includes a first joint and a second joint. The first connector comprises a first butt-joint part, a plurality of plug terminals arranged in the first butt-joint part and an external thread part arranged on the peripheral surface of the first butt-joint part. The second joint comprises a second butt joint part, a plurality of plug holes arranged in the second butt joint part, a lock catch sleeve annularly arranged outside the second butt joint part, a slot formed between the lock catch sleeve and the second butt joint part, a positioning sleeve ring sleeved on the lock catch sleeve, a plurality of clamping pieces arranged between the positioning sleeve ring and the lock catch sleeve at intervals, and a lock joint quick release ring locked on the lock catch sleeve in a separable mode. The first butt joint part is correspondingly inserted into the slot, and each plug terminal is plugged into each plug hole. The fastening quick-release ring is rotationally pressed on each clamping piece, and each internal thread part of each clamping piece is meshed with the external thread part of the first butt joint part.

In one embodiment, a plurality of pressing portions are convexly arranged on the inner wall of the fastening quick release ring at intervals, each clamping piece is arranged corresponding to each pressing portion, and each clamping piece is respectively provided with an inclined surface and a bulge portion connected with the inclined surface. The pressing parts rotate to press the protrusions from the inclined surfaces. The locking sleeve is provided with a plurality of locking holes for respectively accommodating the clamping pieces, and the positioning lantern ring is provided with two connecting strips for limiting the displacement of the clamping pieces and a plurality of connecting strips connected with the connecting strips so as to effectively limit the relative movement of the clamping pieces in the locking holes and facilitate the pressing parts to correspondingly press the bulges.

When the first connector and the second connector are electrically connected with each other, the fastening quick-release ring is rotated by an angle, for example, clockwise rotation, so that the pressing parts correspondingly press the bulge parts of the clamping pieces. The internal thread part of each clamping piece can correspondingly engage with the external thread part of the first butt joint part, so that the first butt joint part and the second butt joint part achieve the locking effect. In the operation process, the stopping part of the fastening quick-release ring can cross and abut against the raised elastic sheet so as to prevent the fastening quick-release ring from rotating to be separated from each clamping piece and further cause the accidental loosening between the first butt joint part and the second butt joint part.

In one embodiment, when the first joint and the second joint need to be disassembled or separated, the first joint and the second joint can be quickly disassembled only by rotating the buckling quick-release ring in the opposite direction (anticlockwise) to separate the internal thread part of each clamping piece from the external thread part of the first joint.

In another embodiment, the snap-fit quick-release ring includes at least one hook for snap-fitting the second joint flange, an accommodating space formed between the flange and each pressing portion, and an elastic element sleeved in the accommodating space, wherein the snap-fit quick-release ring can move along a direction of a second rod body relative to the snap-fit sleeve. When the fastening quick-release ring moves towards the direction of the flange to compress the elastic component, each pressing part of the fastening quick-release ring is quickly separated from the bulge part of each clamping piece, so that the internal thread part is separated from the external thread part, and the first joint can be separated from the second joint, thereby achieving the effect of quick release.

The invention also has the following beneficial effects that after the first connector and the second connector are inserted, the bulge parts of the clamping pieces can be effectively pressed through the pressing parts, so as to achieve stable screwing or locking effect. When the first joint and the second joint are to be separated, the buckling quick-release ring can achieve the purpose of quick release or quick release of the first joint and the second joint through two modes of rotation or horizontal movement.

Drawings

Fig. 1 is a perspective view of the cable connector docking structure of the present invention not yet coupled.

Fig. 2 is a schematic perspective view of the locking sleeve (omitting the snap-on quick release ring) positioned by the positioning collar of the first connector of the present invention.

Fig. 3 is an exploded view of a first contact in a mating structure of a cable connector according to the present invention.

Fig. 4 is another exploded view of the first contact of the mating structure of the cable connector according to the present invention.

FIG. 5 is a cross-sectional view of the invention with the snap-fit quick release ring not yet pressed against the latch.

Fig. 6 is a cross-sectional view of a rotating press detent of the fastening quick release ring of the present invention.

Fig. 7 is another angular cross-sectional view of a screw-on first connector with a rotating press-fit latch of the snap-on quick release ring of the present invention to secure a second connector.

Fig. 8 is a cross-sectional view of a rotating disengagement latch of the fastening quick release ring of the present invention.

FIG. 9 is a cross-sectional view of the disengagement latch of the present invention with the snap-fit quick release ring moving horizontally relative to the locking sleeve.

Symbolic illustration in the drawings:

1 a first joint; 11 a first mating portion; 12 a plug terminal; 13 an externally threaded portion; 14 a guide block; 15 a first rod; 2 a second joint; 21 a second docking portion; 22, inserting holes; 23 locking sleeve; 231 a locking hole; 232 positioning blocks; 233 aligning grooves; 234 a stop block; 24 slots; 25 positioning the collar; 251 a connecting strip; 252 a connecting sheet; 253 protruding elastic sheets; 254 positioning holes; 26 a clamping piece; 261 an internal threaded portion; 262 an inclined surface; 263 a raised portion; 264 sheet-shaped parts; 265 transversely cutting groove; 27 fastening the quick release ring; 271 pressing part; 272 through a hole; 273 hooking; 274 accommodating space; 275 gap; 276 a stop; 28 a flange; 29 a guide groove; 30 a second rod body; 31 an elastomeric component.

Detailed Description

The following detailed description and technical contents of the present invention are described with reference to the drawings, which are provided for reference and illustration purposes only and are not intended to limit the present invention.

Referring to fig. 1 to 4, the present invention provides a cable connector butt-joint structure, which includes a first connector 1 and a second connector 2. The cable connector herein is connected to more than one cable (not shown) by using the first connector 1 and the second connector 2, respectively, and then electrically coupled to each other to achieve the purpose of transmitting power and/or signals. However, the first joint 1 and the second joint 2 may be applied to various technical fields such as a pneumatic connection tool, and are not limited thereto.

The first connector 1 includes a first mating portion 11, a plurality of mating terminals 12 disposed in the first mating portion 11, and an external threaded portion 13 formed on an outer peripheral surface of the first mating portion 11. The second connector 2 includes a second mating portion 21, a plurality of insertion holes 22 disposed in the second mating portion 21, a locking sleeve 23 annularly disposed outside the second mating portion 21, a slot 24 formed between the locking sleeve 23 and the second mating portion 21, a positioning sleeve 25 sleeved on the locking sleeve 23, a plurality of locking members 26 disposed between the positioning sleeve 25 and the locking sleeve 23 at intervals, and a fastening quick-release ring 27 detachably locked to the locking sleeve 23.

When the first connector 1 and the second connector 2 are plugged into each other, the corresponding insertion slot 24 of the first mating portion 11 is inserted, and the respective plug terminals 12 are plugged into the respective plug holes 22. Particularly, the inner wall of the first docking portion 11 and the adjacent plug terminals 12 further have a guiding block 14, and the second docking portion 21 forms a guiding groove 29 corresponding to the guiding block 14, so that the first docking portion 11 can be inserted into the second docking portion 21 in a predetermined direction to avoid the occurrence of erroneous insertion.

In this embodiment, one end of the first joint 1 is further connected to a first rod 15 of the first docking portion 11, and one end of the second joint 2 is connected to a second rod 30 of the second docking portion 21. The first rod 15 and the second rod 30 are respectively formed in a circular rod shape, and a portion of the surface of the second rod 30 is formed with a relief (not shown) for a user to hold. More than one cable (not shown) is connected to the first rod 15 and the second rod 30, respectively, so that the power or signal can be connected or disconnected by the connection or separation of the first butt-joint part 11 and the second butt-joint part 21.

In the embodiment shown in fig. 1 to 4, a plurality of pressing portions 271 and at least one stopping portion 276 are protruded from the inner wall of the fastening quick-release ring 27 at intervals, wherein the stopping portion 276 is located between two of the pressing portions 271. Each of the latch members 26 is disposed corresponding to each of the pressing portions 271, and each of the latch members 26 has an inclined surface 262 and a raised portion 263 connecting the inclined surfaces 262. The pressing portions 271 of the quick release ring 27 are rotatably slid from the inclined surfaces 262 to the raised portions 263, so that the internal thread portions 261 of the locking members 26 are pressed to engage with the external thread portions 13 of the first mating portion 11, thereby fastening the first coupling 1 and the second coupling 2.

The pressing portions 271, the stopping portions 276 and the protruding portions 263 of the present embodiment are shaped as a bump, a block or other suitable shapes to achieve the pressing or stopping effect. The snap-fit quick release ring 27 is hollow and has a through hole 272 and is sleeved on the locking sleeve 23. Before assembling the snap-fit quick release ring 27 to the locking sleeve 23, a positioning collar 25 is further included, which is sleeved on the locking sleeve 23.

The locking sleeve 23 is provided with a plurality of locking holes 231 for receiving the locking pieces 26 respectively. The positioning collar 25 has two connecting bars 251 for limiting the left and right displacement (axial direction) of each latch 26 and a plurality of connecting pieces 252 connected to each connecting bar 251. Each engaging piece 26 is capable of moving up and down (radially) between each connecting bar 251 and the slot 24 with respect to the male screw portion 13. Each connecting piece 252 has at least one protruding elastic piece 253 and at least one positioning hole 254, and the stopping portion 276 can rotatably abut against the protruding elastic piece 253 to prevent the rotation of the fastening quick release ring 27, which will be described in detail later.

The locking sleeve 23 is provided with a positioning block 232 protruding from the positioning hole 254, so that the positioning block 232 is engaged with the positioning hole 254, and the positioning collar 25 is positioned on the outer circumferential surface of the locking sleeve 23. A sheet portion 264 is further protruded from both side edges of each engaging member 26 along the direction of each connecting bar 251, and an alignment groove 233 is formed on the locking sleeve 23 corresponding to each sheet portion 264, so that each engaging member 26 can be accurately reset corresponding to each alignment groove 233 when moving radially relative to each locking hole 231.

The number of the locking elements 26 and the locking holes 231 is preferably 3, and the outline of each locking element 26 is preferably a circular arc plate to correspondingly engage with the external thread 13 of the first mating portion 11. Two transverse slots 265 are formed on each latch 26 corresponding to each connecting strip 251, so that the movement of each latch 26 relative to each locking hole 231 is more reliable and reliable. The positioning collar 25 made by metal stamping and bending can effectively limit the radial and axial displacement of each clamping piece 26 in each locking hole 231, so that each pressing part 271 of the locking quick-release ring 27 can achieve the effects of accuracy, reliability and rapidness when each protruding part 263 is pressed by rotation.

In addition, referring to fig. 6 and 7, the second connector 2 further has a flange 28 vertically connecting the locking sleeve 23. The fastening quick-release ring 27 includes at least one hook 273 of the fastening flange 28, and an accommodating space 274 formed between the flange 28 and each pressing portion 271, wherein the hook 273 can limit the movement of the fastening quick-release ring 27 toward the first connector 1. A plurality of stoppers 234 are protruded from the end surface of the locking sleeve 23 at intervals, wherein each stopper 234 is disposed at a position corresponding to each locking hole 231 in the axial direction to limit the rotation angle of the locking quick release ring 27.

A plurality of notches 275 are formed on the fastening quick-release ring 27 corresponding to each stopper 234. The size of each notch 275 is greater than the size of each stop 234, so that the angle of rotation of the snap-on quick release ring 27 is limited. In this embodiment, the fastening quick release ring 27 is rotated between about 60 and 90 degrees. The position of each stopper 234 is substantially corresponding to the center of each locking hole 231, i.e., aligned with the raised portion 263 of each detent 26.

The following further illustrates how the docking structure of the present invention can be quickly disassembled or separated. As shown in fig. 5 to 7, after the first connector 1 and the second connector 2 are electrically connected to each other, the quick release ring 27 is rotated by an angle, for example, clockwise, so that each pressing portion 271 correspondingly presses the protruding portion 263 of each locking element 26. The internal thread 261 of each latch 26 correspondingly engages with the external thread 13 of the first docking portion 11, so that the first docking portion 11 and the second docking portion 21 are stably locked. It should be noted that, when the fastening quick release ring 27 is rotated, the stopping portion 276 will pass over and abut against the protruding elastic sheet 253, so as to prevent the fastening quick release ring 27 from rotating to disengage from each of the latches 26, thereby causing the first docking portion 11 and the second docking portion 21 to be accidentally released.

Referring to fig. 8, when the first joint 1 and the second joint 2 need to be disassembled or separated, the snap ring 27 is rotated (counterclockwise) in the opposite direction to separate the internal thread 261 of each latch 26 from the external thread 13 of the first joint 1, so as to quickly disassemble the first joint 1 and the second joint 2. At this time, each detent member 26 can effectively limit its displacement by the position collar 25, so that the next locking operation can be performed.

In addition, referring to fig. 9, another operation mode of quick release is also provided. The present embodiment further includes an elastic element 31 disposed in the accommodating space 274. The resilient member 31 referred to herein is preferably a compression spring or other suitable resilient member. When the quick release ring 27 is moved toward the flange 28 (i.e., the second rod 30) to compress the elastic element 31, the pressing portions 271 of the quick release ring 27 are separated from the protruding portions 263 of the latches 26. The internal thread 261 of each latch 26 will be separated from the external thread 13, so that the first connector 1 can be separated from the second connector 2, thereby achieving the effect of quick release. When the user releases the fastening quick release ring 27, the elastic element 31 can provide an elastic force to restore the original position of the fastening quick release ring 27, as shown in fig. 8.

Therefore, after the first connector 1 is plugged into the second connector 2, the pressing portions 271 of the snap-fit quick-release ring 27 can effectively press the raised portions 263 of the locking members 26, so as to achieve a stable locking or engaging effect. When the first connector 1 and the second connector 2 are to be separated, the fastening quick-release ring 27 can be rotated or horizontally moved to achieve the purpose of quick release or quick release of the first connector 1 and the second connector 2.

In view of the foregoing, it is intended that the embodiments disclosed herein be considered as illustrative rather than limiting. The scope of the invention should be determined by the appended claims, and their legal equivalents are covered thereby, and are not limited to the foregoing description.

Claims

1. A cable connector mating structure, comprising:

the first joint comprises a first butt joint part, a plurality of plug terminals arranged in the first butt joint part and an external thread part formed on the peripheral surface of the first butt joint part; and

a second joint, including a second butt joint part, several plug-in holes arranged in the second butt joint part, a lock sleeve annularly arranged outside the second butt joint part, a slot formed between the lock sleeve and the second butt joint part, a positioning sleeve ring sleeved on the lock sleeve, several clamping pieces arranged between the positioning sleeve ring and the lock sleeve at intervals, and a lock joint quick release ring for separably locking each clamping piece, wherein the first butt joint part is correspondingly inserted into the slot, and the several plug-in terminals are respectively correspondingly plugged into the plug-in holes, the lock joint quick release ring is rotated to press each clamping piece, and each internal thread part of each clamping piece is engaged with the external thread part of the first butt joint part.

2. The cable connector docking structure of claim 1, wherein a plurality of pressing portions are formed on the inner wall of the snap-fit quick release ring at intervals, each of the engaging members is disposed corresponding to each of the pressing portions, each of the engaging members has an inclined surface and a raised portion connected to the inclined surface, and each of the pressing portions is rotated to press each of the raised portions from each of the inclined surfaces.

3. The cable connector docking structure as claimed in claim 2, wherein the locking sleeve has a plurality of locking holes for receiving the locking members, and the positioning collar has two connecting strips for limiting the displacement of the locking members and a plurality of connecting strips connected to the connecting strips.

4. The docking structure of cable connector according to claim 3, wherein each connecting piece has at least one protruding resilient piece and at least one positioning hole, the inner wall of the snap-fit quick release ring further has a stopping portion adjacent to the pressing portion, the stopping portion abuts against the protruding resilient piece to limit the rotation direction of the snap-fit quick release ring, and the locking sleeve has a positioning block protruding from the positioning hole to position the positioning sleeve.

5. The docking structure of claim 3, wherein a tab portion is formed on each of two side edges of each of the engaging members along the direction of each of the connecting strips, and an alignment groove is formed on the locking sleeve corresponding to each of the tab portions.

6. The docking structure of claim 3, wherein each of the engaging members has an outer contour of a circular plate, and each of the engaging members has two transverse slots corresponding to each of the connecting strips.

7. The structure of claim 1, wherein the second connector further comprises a vertical flange connected to the locking sleeve, and the quick release buckle comprises a plurality of pressing portions spaced apart from each other, at least one hook for fastening the flange, and a receiving space formed between the flange and each of the pressing portions.

8. The docking structure of claim 7, wherein a plurality of stoppers are protruded from the end surface of the locking sleeve at intervals, each stopper is located at the other end of the locking sleeve opposite to the flange, and a plurality of notches are formed on the quick release ring corresponding to each stopper.

9. The docking structure of claim 7, further comprising a resilient member disposed in the receiving space, the resilient member providing a resilient force to return to an initial position of the snap-fit quick release ring.

10. The cable connector mating structure of claim 8, wherein each of the notches has a dimension greater than a dimension of each of the stoppers.

11. The docking structure of claim 1, wherein a guiding block is disposed adjacent to each of the mating terminals of the first docking portion, and a guiding groove is formed corresponding to the guiding block by the second docking portion, so that the first docking portion is mated with the second docking portion in a predetermined direction.

12. The docking structure of claim 1, wherein the first adapter further connects to a first shaft of the first docking portion, and the second adapter connects to a second shaft of the second docking portion.