CN117394106B - Self-locking double-head quick connector - Google Patents

Self-locking double-head quick connector Download PDF

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Publication number
CN117394106B
CN117394106B CN202311694690.0A CN202311694690A CN117394106B CN 117394106 B CN117394106 B CN 117394106B CN 202311694690 A CN202311694690 A CN 202311694690A CN 117394106 B CN117394106 B CN 117394106B
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CN
China
Prior art keywords
connector
joint
cylinder
welded
plate
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Active
Application number
CN202311694690.0A
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Chinese (zh)
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CN117394106A (en
Inventor
刘爱香
陈家龙
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Kunshan Jianjing Electronic Co ltd
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Kunshan Jianjing Electronic Co ltd
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Priority to CN202311694690.0A priority Critical patent/CN117394106B/en
Publication of CN117394106A publication Critical patent/CN117394106A/en
Application granted granted Critical
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/005—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure requiring successive relative motions to complete the coupling, e.g. bayonet type
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/625—Casing or ring with bayonet engagement
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/627—Snap or like fastening
    • H01R13/6275—Latching arms not integral with the housing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • H01R13/633—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for disengagement only
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • H01R13/633—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for disengagement only
    • H01R13/635—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for disengagement only by mechanical pressure, e.g. spring force
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap

Abstract

The invention relates to a self-locking double-head quick connector; the quick connector comprises a first connector, wherein a second connector which can be in butt joint with the first connector is arranged on the outer side of one end of the first connector; the second connector comprises a second connector outer barrel, an annular groove is formed in the second connector outer barrel, and the cross section of the annular groove is trapezoid; two second clamping blocks are symmetrically welded on the outer side of one end of the second joint outer cylinder, which is close to the first joint, and the two second clamping blocks are fan-shaped; after the first connector and the second connector are in butt joint, the second connector needs to be rotated to enable the second connector to drive the first plug socket and the elastic component to rotate until two first contacts of the elastic component are attached to two second contacts, a normal circuit can be formed, at the moment, two second clamping blocks respectively enter the fan-shaped grooves of the two first clamping blocks, the first plug socket and the elastic component are prevented from excessively rotating, and accordingly opening and closing of the circuit are controlled through rotating the second connector.

Description

Self-locking double-head quick connector
Technical Field
The invention relates to the technical field of quick connectors, in particular to a self-locking double-head quick connector.
Background
The wire connector is also called a wire end. After the wire is laid, the wire sections must be connected together to form a continuous line, and these connection points are called cable joints; the quick connector is one of the wire connectors, and compared with a common wire connector, the quick connector has the advantages of high connection speed, stable structure and more convenient disassembly; the quick connector is the most convenient plug and play connection mode, and especially can embody the superiority of the quick connector in some space occasions where the connection is very inconvenient and difficult.
Chinese patent publication CN 203010077U discloses a quick connector, including being tubular body, the one end of body is threaded connection end, and the other end is for being used for the grafting end with the pipe fitting mutually, has convex spacing step in the body, still has in the body and is simple form bush and lock sleeve, and the bush inner is supported and is located the outer end of body grafting end department lock sleeve inner end cover on the bush and have between the two and supply pipe fitting male clearance in spacing step department, has between lock sleeve and the body inboard and can make lock sleeve and the locking structure of body looks locking after the lock sleeve inboard receives the extrusion.
When the quick connector in the patent is connected, the other connector is inserted into the gap between the lock sleeve and the bushing in the body to fix the pipe fitting so as to complete the connection; however, there is no component for isolating the current path in the connector, so that a complete circuit for current passing is directly formed after the two connectors are butted, when a worker contacts the connector again under the condition of current passing, the danger of electric shock is easy to occur, and the current circuit cannot be cut off through the connector, so that the connection and the disassembly of the connector are seriously affected.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, adapt to the actual needs, and provide the quick plug which can manually control the opening and closing of a current circuit after docking and can realize the disconnection after power failure during the disassembly so as to solve the technical problems.
In order to achieve the purpose of the invention, the technical scheme adopted by the invention is as follows:
the self-locking double-head quick connector comprises a first connector, wherein a second connector which can be in butt joint with the first connector is arranged on the outer side of one end of the first connector; the second connector comprises a second connector outer barrel, an annular groove is formed in the second connector outer barrel, and the cross section of the annular groove is trapezoid; two second clamping blocks are symmetrically welded on the outer side of one end of the second joint outer cylinder, which is close to the first joint, and the two second clamping blocks are fan-shaped; the second connector outer barrel is fixedly connected with a second plug seat, one end of the second plug seat, which is close to the first connector, is semi-cylindrical, a round hole is formed in the semi-cylindrical part, and the other end of the second plug seat is cylindrical; a second probe is welded on one side of the second socket, which is far away from the semi-cylindrical part of the second socket, and the diameter of the second probe is the same as that of a round hole in the semi-cylindrical part of the second socket;
the first connector comprises a first connector outer barrel, and a first plug seat is arranged in the first connector outer barrel; an elastic component is arranged at one end of the first plug seat, which is far away from the second connector, and the elastic component is rotationally connected with the first connector outer cylinder; one end of the elastic component, which is far away from the first plug seat, is provided with a contact component which is fixedly connected with the inner wall of the first joint outer barrel;
the first plug seat comprises a first plug seat main body; one end structure of the first socket body, which is close to the second joint, is the same as that of the second socket; a first probe is welded at one end of the first socket main body, which is close to the second socket; the diameter and the length of the first probe are the same as those of the round hole in the semi-cylindrical part of the second socket body, and the diameter and the length of the second probe are the same as those of the round hole in the semi-cylindrical part of the first socket body; a limiting plate is welded on the outer side of the first socket main body, and the limiting plate is in a circular ring shape; two inner grooves are formed in one end, far away from the first probe, of the first socket main body, one inner groove corresponds to the first probe in position, and the other inner groove is communicated with a round hole in the semi-cylindrical part of the first socket main body;
the elastic component comprises two contact rods which are respectively positioned in the two inner grooves; one end of each contact rod, which is far away from the first socket main body, is welded with a spiral spring plate, and the bottom of one end of each spiral spring plate, which is close to the contact assembly, is welded with two first contacts; the outer sides of the two contact rods are sleeved with inner ring springs, one ends of the two inner ring springs are welded with the first socket main body, and the other ends of the two inner ring springs are welded with the rotating plate; the rotary plate is provided with two round holes for the contact rods to pass through, the outer side of the rotary plate is provided with a bulge, and the cross section of the bulge is T-shaped.
As a further technical scheme of the invention, the first joint outer cylinder comprises a cylinder body, wherein two first clamping blocks are symmetrically welded at one end, close to the second joint, inside the cylinder body, and the two first clamping blocks are fan-shaped; one side of the two first clamping blocks far away from the second connector is provided with a fan-shaped groove, and the sizes of the two fan-shaped grooves are the same as those of the two second clamping blocks.
As a further technical scheme of the invention, a connecting plate is welded at one end of the inner wall of the cylinder body far away from the first clamping block, and the connecting plate is in a ring shape; the inner side of the connecting plate is provided with a chute, the cross section of the chute is T-shaped, and the bulge at the outer side of the rotating plate is positioned in the chute of the connecting plate; the rotating plate is positioned at the inner side of the connecting plate and is in rotary connection with the connecting plate.
As a further technical scheme of the invention, a baffle is arranged between the connecting plate and the first clamping block, and the baffle is in a ring shape and is welded with the inner wall of the cylinder body; the inner diameter of the baffle is smaller than the outer diameter of the limiting plate and larger than the outer diameter of the first socket main body.
As a further technical scheme of the invention, the contact assembly comprises an insulating plate which is round and fixedly connected with the inner wall of the cylinder body; two second contacts are fixedly connected to the insulating plate, and the distance between the two second contacts is the same as the distance between the two first contacts; the bottoms of the two second contacts are connected with wires, and the two wires extend to the outer side of the first connector; the insulating board is provided with round holes through which two power supply lines pass.
As a further technical scheme of the invention, one end of the first joint outer cylinder, which is close to the second joint, is uniformly and movably connected with a plurality of balls, and the balls are distributed in a circular ring shape; the width of the annular groove of the second joint outer cylinder is the same as the diameter of the plurality of balls; one end of the first joint outer cylinder, which is close to the second joint, is sleeved with a sliding cylinder, and a plurality of balls are positioned on the inner side of the sliding cylinder; an annular bulge is welded in the sliding cylinder, and the position of the annular bulge corresponds to the positions of the plurality of balls.
As a further technical scheme of the invention, a front limit ring is arranged on one side of the plurality of balls close to the first joint, and the front limit ring is clamped on the outer side of the outer cylinder of the first joint; one side of the plurality of balls, which is far away from the front limiting ring, is provided with a rear limiting ring which is sleeved on the outer side of the first joint outer cylinder.
As a further technical scheme of the invention, an outer ring spring is arranged between the front limiting ring and the rear limiting ring, and is sleeved on the outer side of the first joint outer cylinder; one end of the outer ring spring is attached to the annular bulge of the sliding cylinder, and the other end of the outer ring spring is attached to the rear-mounted limit ring.
The beneficial effects are that:
A. in the invention, after the first connector and the second connector are in butt joint, the second connector is required to be rotated to drive the first plug-in seat and the elastic component to rotate until the two first contacts of the elastic component are attached to the two second contacts, so that a normal circuit can be formed, at the moment, the two second clamping blocks respectively enter the fan-shaped grooves of the two first clamping blocks to prevent the first plug-in seat and the elastic component from rotating excessively, thereby realizing the control of opening and closing of the circuit by rotating the second connector, and in addition, when the second connector is dismounted, the second connector is required to be rotated firstly to enable the two second clamping blocks to be separated from the fan-shaped grooves of the first clamping blocks, at the moment, the first contacts are not attached to the second contacts, the first power is cut off firstly, and then the dismounting is realized, and the damage of current to personnel contacting the first connector and the second connector is prevented;
B. when the quick connector is connected, the second probe of the second connector is aligned with the round hole of the first connector in the first connector, the first probe is aligned with the round hole of the second connector, and along with the fact that the second connector is close to the first connector, the second probe enters the round hole of the first connector, and the first probe enters the round hole of the second connector; then the second connector continues to advance, so that the second plug seat is completely attached to the first plug seat and continuously pushes the first plug seat until the first probe and the second probe are respectively butted with the two contact rods in the two inner grooves; one ends of the first socket main body and the second socket, which are close to each other, are semi-cylindrical, and after the first connector and the second connector are connected in an inserted manner, the first socket main body and the second connector which are attached form a cylinder, so that the stability of connection between the first connector and the second connector can be improved;
C. in the invention, after the first probe and the second probe are respectively in butt joint with the two contact rods, the second connector continuously moves forward, so that the second connector pushes the first connector and the two contact rods to move backward, and the two contact rods synchronously drive the spiral spring plate to move backward until the two second clamping blocks of the second connector move to the rear parts of the two first clamping blocks, and at the moment, the two first contacts at the bottom of the spiral spring plate are already attached to the insulating plate; then the second connector is rotated, so that the second plug seat and the second probe of the second connector synchronously drive the first probe and the first plug seat to rotate, and the two contact rods positioned in the inner groove are driven to rotate by the first plug seat, and the two contact rods drive the spiral elastic sheet to rotate; the included angle of the first clamping block and the second clamping block is the same as the included angle of the first contact and the second contact, the second joint is rotated to enable the two second clamping blocks to move into the fan-shaped grooves of the two first clamping blocks respectively, and the two first contacts synchronously rotate to the two second contacts and are attached to the two second contacts, so that a finished circuit is formed; the elastic force generated by the spiral elastic sheet can enable the two contact rods to be tightly attached to the first probe and the second probe, so that the connection between the first probe and the second probe and the two contact rods is prevented from loosening; the two first clamping blocks can fix the two second clamping blocks, and the second connector is prevented from rotating, so that the butting stability of the first contact and the second contact is ensured;
D. according to the invention, before a first joint and a second joint, a sliding cylinder of the first joint is firstly moved backwards, the annular bulge of a blocking ball in the sliding cylinder is moved backwards, at the moment, the annular bulge of the sliding cylinder does not block the ball any more, after the second joint enters the inner side of the first joint, a plurality of balls are pushed to move towards the outer side of the first joint until the second joint moves to a final position, at the moment, an annular groove of an outer cylinder of the second joint moves to a position corresponding to the plurality of balls, then the sliding cylinder is loosened, the sliding cylinder is reset under the action of elasticity generated by an outer ring spring, the annular bulge of the sliding cylinder presses the plurality of balls towards the inner side of the outer cylinder of the first joint again, and the lower half parts of the plurality of balls move into the annular groove of the outer cylinder of the second joint under the pressing of the annular bulge of the sliding cylinder, so that the second joint is fixed, the second joint is matched with the second clamping block, rotation or displacement of the second joint can be effectively prevented, the stability of connection of the second joint and the first joint is ensured, and the stability of a circuit formed by the butt joint of a second joint seat, an elastic component and a contact component is ensured;
E. when the connection between the first joint and the second joint is required to be disconnected, the sliding cylinder is moved firstly, so that the sliding cylinder does not block a plurality of balls any more, the balls do not block the movement of the second joint any more, a force moving towards the direction of the first joint is applied to the second joint, and the two second clamping blocks move out of the sector grooves of the two first clamping blocks; then the second connector is rotated to enable the two second clamping blocks to move to the initial position, the second inserting seat synchronously drives the first inserting seat and the elastic component to rotate, the spiral elastic sheet is enabled to rotate to the initial position, and the first contact on the spiral elastic sheet is not contacted with the second contact any more, so that a circuit is cut off; the second connector is pulled out of the first connector, the second connector does not apply thrust to the first connector any more, the elastic force of the spiral elastic sheet pushes the two contact rods to return to the initial position, the elastic force of the two inner ring springs pushes the first connector to move towards the direction of the second connector until the baffle limits the position of the first connector by blocking the limiting plate, the elastic force of the two inner ring springs is matched to fix the first connector, the first connector is prevented from shaking, the outer ring springs control the sliding barrel to reset, and separation of the first connector and the second connector is completed.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a side view of FIG. 1 of the present invention;
FIG. 3 is a cross-sectional view A-A of FIG. 2 in accordance with the present invention;
FIG. 4 is a schematic perspective view of a second joint according to the present invention;
FIG. 5 is a schematic perspective view of a first joint according to the present invention;
FIG. 6 is a schematic view of a portion of the structure of FIG. 5 according to the present invention;
FIG. 7 is a schematic view showing the internal structure of the first joint according to the present invention;
FIG. 8 is a front view of FIG. 7 in accordance with the present invention;
FIG. 9 is a schematic perspective view of the first connector outer barrel of the present invention;
FIG. 10 is a schematic view of a portion of the structure of FIG. 7 according to the present invention;
FIG. 11 is a front view of FIG. 10 in accordance with the present invention;
FIG. 12 is a cross-sectional view A-A of FIG. 11 in accordance with the present invention;
FIG. 13 is a schematic view of a portion of the structure of FIG. 10 according to the present invention;
FIG. 14 is another view of FIG. 13 in accordance with the present invention;
FIG. 15 is an enlarged view of a portion of FIG. 7 in accordance with the present invention;
fig. 16 is an enlarged view of a portion of fig. 9 in accordance with the present invention.
Fig. 17 is a schematic perspective view of a first latch according to the present invention.
In the figure: 1-a first joint, 2-a second joint;
10-contact components, 11-sliding drums, 12-first joint outer drums, 13-front limiting rings, 14-outer ring springs, 15-rear limiting rings, 16-balls, 17-first probes, 18-first plug seats, 19-elastic components, 21-second clamping blocks, 22-second joint outer drums, 23-second plug seats and 24-second probes;
the electric wire socket comprises a 101-insulating plate, a 102-second contact, 103-electric wires, 121-a cylinder body, 122-a baffle plate, 123-a connecting plate, 124-a first clamping block, 181-a first socket body, 182-a limiting plate, 183-an inner groove, 191-a contact rod, 192-an inner ring spring, 193-a rotating plate, 194-a spiral spring piece and 195-a first contact.
Detailed Description
Referring to fig. 1-4 and fig. 9-12, a self-locking double-head quick connector comprises a first connector 1, wherein a second connector 2 which can be in butt joint with the first connector 1 is arranged on the outer side of one end of the first connector 1; the second connector 2 comprises a second connector outer barrel 22, an annular groove is formed in the second connector outer barrel 22, and the cross section of the annular groove is trapezoidal; two second clamping blocks 21 are symmetrically welded on the outer side of one end, close to the first joint 1, of the second joint outer cylinder 22, and the two second clamping blocks 21 are fan-shaped; the inside of the second joint outer barrel 22 is fixedly connected with a second plug seat 23, one end of the second plug seat 23 close to the first joint 1 is semi-cylindrical, a round hole is formed in the semi-cylindrical part, and the other end of the second plug seat 23 is cylindrical; a second probe 24 is welded on one side of the second socket 23 far away from the semi-cylindrical part of the second socket 23, and the diameter of the second probe 24 is the same as that of a round hole in the semi-cylindrical part of the second socket 23;
the first connector 1 comprises a first connector outer barrel 12, and a first plug seat 18 is arranged in the first connector outer barrel 12; an elastic component 19 is arranged at one end of the first plug seat 18 far away from the second connector 2, and the elastic component 19 is rotatably connected with the first connector outer barrel 12; the elastic component 19 is provided with a contact component 10 at one end far away from the first plug seat 18, and the contact component 10 is fixedly connected with the inner wall of the first joint outer barrel 12;
through adopting above-mentioned technical scheme, after first joint 1 and the butt joint of second joint 2, need rotatory second joint 2 let second joint 2 drive first bayonet socket 18 and elastic component 19 rotatory, until the laminating of two first contacts 195 and two second contacts 102 of elastic component 19, just can form normal circuit, two second fixture blocks 21 get into the fan-shaped recess of two first fixture blocks 124 respectively this moment, prevent first bayonet socket 18 and elastic component 19 excessive rotation, thereby realize controlling opening and shutting of circuit through rotatory second joint 2, in addition when dismantling, need rotatory second joint 2 at first let two second fixture blocks 21 break away from the fan-shaped recess of first fixture block 124, first contact 195 no longer laminates with second contact 102 this moment, realize cutting off earlier and dismantle afterwards, prevent that the electric current from causing the injury to the personnel that contact first joint 1 and second joint 2.
In this embodiment, as shown in fig. 3-4 and fig. 10-12, the first socket 18 includes a first socket body 181; one end structure of the first socket body 181, which is close to the second connector 2, is the same as the second socket 23; the first probe 17 is welded at one end of the first socket body 181 close to the second socket 23; the diameter and length of the first probe 17 are the same as those of the circular hole inside the semi-cylindrical portion of the second socket 23, and the diameter and length of the second probe 24 are the same as those of the circular hole inside the semi-cylindrical portion of the first socket body 181; a limiting plate 182 is welded on the outer side of the first socket main body 181, and the limiting plate 182 is circular; the first socket body 181 is provided with two inner grooves 183 inside one end thereof remote from the first probe 17, one inner groove 183 corresponding to the position of the first probe 17, and the other inner groove 183 communicating with a circular hole inside the semi-cylindrical portion of the first socket body 181.
By adopting the technical scheme, when the quick connector is connected, the second probe 24 of the second connector 2 is aligned with the round hole of the first connector 18 in the first connector 1, the first probe 17 is aligned with the round hole of the second connector 23, and as the second connector 2 approaches the first connector 1, the second probe 24 enters the round hole of the first connector 18, and the first probe 17 enters the round hole of the second connector 23; then the second connector 2 continues to advance, so that the second plug seat 23 is completely attached to the first plug seat 18 and continues to push the first plug seat 18 until the first probe 17 and the second probe 24 are respectively butted with the two contact rods 191 in the two inner grooves 183; the first socket main body 181 and the second socket 23 are close to each other and have semi-cylindrical ends, and after the first connector 1 and the second connector 2 are connected, the first socket main body 181 and the second socket 23 which are attached form a cylinder, so that the connection stability of the first connector 1 and the second connector 2 can be improved.
In this embodiment, as shown in fig. 3-12, the elastic component 19 includes two contact rods 191, and the two contact rods 191 are respectively located in the two inner grooves 183; one end of the two contact rods 191 far away from the first socket main body 181 is welded with a spiral spring plate 194, and two first contacts 195 are welded at the bottom of one end of the spiral spring plate 194 close to the contact assembly 10; the outer sides of the two contact rods 191 are sleeved with inner ring springs 192, one ends of the two inner ring springs 192 are welded with the first socket main body 181, and the other ends of the two inner ring springs 192 are welded with the rotating plate 193; the rotary plate 193 is provided with two round holes for the contact rods 191 to pass through, the outer side of the rotary plate 193 is provided with a bulge, and the cross section of the bulge is T-shaped;
the first connector outer cylinder 12 comprises a cylinder body 121, two first clamping blocks 124 are symmetrically welded at one end, close to the second connector 2, inside the cylinder body 121, and the two first clamping blocks 124 are fan-shaped; the sides of the two first clamping blocks 124 far away from the second joint 2 are provided with fan-shaped grooves, and the sizes of the two fan-shaped grooves are the same as those of the two second clamping blocks 21;
a connecting plate 123 is welded at one end of the inner wall of the barrel 121 far away from the first clamping block 124, and the connecting plate 123 is in a circular ring shape; the inner side of the connecting plate 123 is provided with a chute, the cross section of the chute is T-shaped, and the bulge at the outer side of the rotating plate 193 is positioned in the chute of the connecting plate 123; the rotating plate 193 is positioned inside the connecting plate 123 and is rotatably connected to the connecting plate 123;
a baffle 122 is arranged between the connecting plate 123 and the first clamping block 124, and the baffle 122 is in a circular ring shape and is welded with the inner wall of the cylinder body 121; the inner diameter of the baffle 122 is smaller than the outer diameter of the limiting plate 182 and larger than the outer diameter of the first socket body 181;
the contact assembly 10 comprises an insulating plate 101, wherein the insulating plate 101 is circular and is fixedly connected with the inner wall of a barrel 121; two second contacts 102 are fixedly connected to the insulating plate 101, and the distance between the two second contacts 102 is the same as the distance between the two first contacts 195; the bottoms of the two second contacts 102 are connected with wires 103, and the two wires 103 extend to the outer side of the first connector 1; the insulating plate 101 is provided with a circular hole through which the two power supply lines 103 pass.
By adopting the above technical scheme, after the first probe 17 and the second probe 24 are respectively in butt joint with the two contact rods 191, the second connector 2 continues to advance, so that the second plug-in seat 23 pushes the first plug-in seat 18 and the two contact rods 191 to move backwards, and the two contact rods 191 synchronously drive the spiral spring plate 194 to move backwards until the two second clamping blocks 21 of the second connector 2 move to the rear of the two first clamping blocks 124, and at this time, the two first contacts 195 at the bottom of the spiral spring plate 194 are attached to the insulating plate 101; then the second connector 2 is rotated, so that the second socket 23 and the second probe 24 of the second connector 2 synchronously drive the first probe 17 and the first socket 18 to rotate, and the two contact rods 191 positioned in the inner groove 183 are also driven to rotate by the first socket 18, and the two contact rods 191 drive the spiral spring plate 194 to rotate; the included angle between the first clamping block 124 and the second clamping block 21 is the same as the included angle between the first contact 195 and the second contact 102, the second connector 2 is rotated to enable the two second clamping blocks 21 to move into the fan-shaped grooves of the two first clamping blocks 124 respectively, and the two first contacts 195 are synchronously rotated to the two second contacts 102 and are attached to the two second contacts 102, so that a finished circuit is formed; the elastic force generated by the spiral elastic sheet 194 can enable the two contact rods 191 to be tightly attached to the first probe 17 and the second probe 24, so that the connection between the first probe 17 and the second probe 24 and the two contact rods 191 is prevented from loosening; the two first clamping blocks 124 can fix the two second clamping blocks 21, and prevent the second connector 2 from rotating, so that the abutting stability of the first contact 195 and the second contact 102 is ensured.
In this embodiment, as shown in fig. 3-6, one end of the first connector outer cylinder 12, which is close to the second connector 2, is uniformly and movably connected with a plurality of balls 16, and the plurality of balls 16 are distributed in a circular ring shape; the width of the annular groove of the second joint outer cylinder 22 is the same as the diameter of the plurality of balls 16; the sliding cylinder 11 is sleeved at one end of the first joint outer cylinder 12, which is close to the second joint 2, and a plurality of balls 16 are positioned at the inner side of the sliding cylinder 11; an annular protrusion is welded to the inside of the spool 11, and the position of the annular protrusion corresponds to the positions of the plurality of balls 16.
Through adopting above-mentioned technical scheme, before first joint 1 and second joint 2, firstly move the slide 11 of first joint 1 backward, let slide 11 inside block the annular protruding backward of ball 16, this moment the annular protruding of slide 11 no longer blocks ball 16, after second joint 2 gets into first joint 1 inboard, top and move a plurality of balls 16 and let a plurality of balls 16 move towards first joint 1 outside, until second joint 2 moves to final position, at this moment the annular groove of second joint urceolus 22 moves to the position that corresponds with a plurality of balls 16, then become flexible slide 11, slide 11 resets under the elasticity effect that outer lane spring 14 produced, slide 11's annular protruding presses a plurality of balls 16 to first joint urceolus 12 inboard again, the latter half of a plurality of balls 16 is in the annular groove of second joint urceolus 22 under slide 11's annular protruding suppression, thereby fix second joint 2, cooperation second fixture block 21 can effectively prevent second joint 2 from taking place rotation or displacement, guarantee second joint 2 and first joint 1's stability and the stability is connected, simultaneously, second joint 18, the stability of the plug-in contact assembly is formed to the first joint assembly, the plug-in the second, the plug-in the assembly is formed to the connection, the plug-in the assembly is stable, the plug-in the assembly is composed of the plug-in the first, the plug-in the assembly is formed at the 18, the plug-in the 18 and the plug-in assembly is stable assembly is formed.
In this embodiment, as shown in fig. 1-4 and 10-12, a front limit ring 13 is disposed on one side of the balls 16 near the first joint 1, and the front limit ring 13 is clamped on the outer side of the first joint outer cylinder 12; a rear limit ring 15 is arranged on one side of the plurality of balls 16 far away from the front limit ring 13, and the rear limit ring 15 is sleeved on the outer side of the first joint outer cylinder 12;
an outer ring spring 14 is arranged between the front limiting ring 13 and the rear limiting ring 15, and the outer ring spring 14 is sleeved on the outer side of the first joint outer cylinder 12; one end of the outer ring spring 14 is attached to the annular protrusion of the slide cylinder 11, and the other end is attached to the rear limit ring 15.
By adopting the above technical scheme, when the connection between the first joint 1 and the second joint 2 needs to be disconnected, the slide cylinder 11 is moved first, so that the slide cylinder 11 does not block the plurality of balls 16 any more, the plurality of balls 16 can not block the movement of the second joint 2 any more, a force moving towards the first joint 1 is applied to the second joint 2, and the two second clamping blocks 21 move out of the sector grooves of the two first clamping blocks 124; then the second connector 2 is rotated to enable the two second clamping blocks 21 to move to the initial position, the second plugging seat 23 synchronously drives the first plugging seat 18 and the elastic component 19 to rotate, the spiral elastic sheet 194 is enabled to rotate to the initial position, and the first contact 195 on the spiral elastic sheet 194 is not contacted with the second contact 102 any more, so that a circuit is cut off; the second connector 2 is pulled out of the first connector 1, the second connector 23 does not apply thrust to the first connector 18 any more, the elastic force of the spiral elastic sheet 194 pushes the two contact rods 191 to return to the initial position, the elastic force of the two inner ring springs 192 pushes the first connector 18 to move towards the second connector 2 until the baffle 122 limits the position of the first connector 18 through the blocking limiting plate 182, the first connector 18 is fixed by matching with the elastic force of the two inner ring springs 192, the first connector 18 is prevented from shaking, and finally the outer ring springs 14 control the sliding cylinder 11 to reset, so that the separation of the first connector 1 and the second connector 2 is completed.
The embodiments of the present invention are disclosed as preferred embodiments, but not limited thereto, and those skilled in the art will readily appreciate from the foregoing description that various extensions and modifications can be made without departing from the spirit of the present invention.

Claims (5)

1. The utility model provides a from locking-type double-end quick connector which characterized in that: comprises a first joint (1), wherein a second joint (2) which can be in butt joint with the first joint (1) is arranged outside one end of the first joint (1); the second connector (2) comprises a second connector outer cylinder (22), an annular groove is formed in the second connector outer cylinder (22), and the cross section of the annular groove is trapezoid; two second clamping blocks (21) are symmetrically welded on the outer side of one end, close to the first joint (1), of the second joint outer cylinder (22), and the two second clamping blocks (21) are fan-shaped; the inside of the second joint outer cylinder (22) is fixedly connected with a second plug seat (23), one end of the second plug seat (23) close to the first joint (1) is semi-cylindrical, a round hole is formed in the semi-cylindrical part, and the other end of the second plug seat (23) is cylindrical; a second probe (24) is welded on one side of the second plug seat (23) far away from the semi-cylindrical part of the second plug seat, and the diameter of the second probe (24) is the same as that of a round hole in the semi-cylindrical part of the second plug seat (23);
the first connector (1) comprises a first connector outer cylinder (12), and a first plug seat (18) is arranged in the first connector outer cylinder (12); an elastic component (19) is arranged at one end of the first plug-in seat (18) far away from the second connector (2), and the elastic component (19) is rotationally connected with the first connector outer barrel (12); one end of the elastic component (19) far away from the first plug seat (18) is provided with a contact component (10), and the contact component (10) is fixedly connected with the inner wall of the first joint outer cylinder (12);
the first plug socket (18) comprises a first plug socket main body (181); one end structure of the first plug socket main body (181) close to the second connector (2) is the same as that of the second plug socket (23); one end of the first socket main body (181) close to the second socket (23) is welded with a first probe (17); the diameter and the length of the first probe (17) are the same as those of the round hole in the semi-cylindrical part of the second plug seat (23), and the diameter and the length of the second probe (24) are the same as those of the round hole in the semi-cylindrical part of the first plug seat main body (181); a limiting plate (182) is welded on the outer side of the first socket main body (181), and the limiting plate (182) is in a circular ring shape; two inner grooves (183) are formed in one end, far away from the first probe (17), of the first socket main body (181), one inner groove (183) corresponds to the first probe (17), and the other inner groove (183) is communicated with a round hole in the semi-cylindrical part of the first socket main body (181);
the elastic component (19) comprises two contact rods (191), and the two contact rods (191) are respectively positioned in the two inner grooves (183); one end, far away from the first socket main body (181), of each contact rod (191) is welded with a spiral spring sheet (194), and two first contacts (195) are welded at the bottom of one end, close to the contact assembly (10), of each spiral spring sheet (194); an inner ring spring (192) is sleeved on the outer sides of the two contact rods (191), one end of each inner ring spring (192) is welded with the first socket main body (181), and the other end is welded with the rotating plate (193); the rotary plate (193) is provided with two round holes for the contact rods (191) to pass through, the outer side of the rotary plate (193) is provided with a bulge, and the cross section of the bulge is T-shaped;
the first connector outer cylinder (12) comprises a cylinder body (121), two first clamping blocks (124) are symmetrically welded at one end, close to the second connector (2), inside the cylinder body (121), and the two first clamping blocks (124) are fan-shaped; the two first clamping blocks (124) are provided with fan-shaped grooves on one side far away from the second joint (2), and the sizes of the two fan-shaped grooves are the same as those of the two second clamping blocks (21);
one end, far away from the first clamping block (124), of the inner wall of the cylinder body (121) is welded with a connecting plate (123), and the connecting plate (123) is in a circular ring shape; a chute is arranged on the inner side of the connecting plate (123), the cross section of the chute is T-shaped, and a bulge on the outer side of the rotating plate (193) is positioned in the chute of the connecting plate (123); the rotating plate (193) is positioned on the inner side of the connecting plate (123) and is rotationally connected with the connecting plate (123);
the contact assembly (10) comprises an insulating plate (101), wherein the insulating plate (101) is circular and is fixedly connected with the inner wall of the cylinder body (121); two second contacts (102) are fixedly connected to the insulating plate (101), and the distance between the two second contacts (102) is the same as the distance between the two first contacts (195); the bottoms of the two second contacts (102) are connected with wires (103), and the two wires (103) extend to the outer side of the first connector (1); the insulating plate (101) is provided with round holes through which the two power supply lines (103) pass.
2. The self-locking double-ended quick connector of claim 1, wherein: a baffle plate (122) is arranged between the connecting plate (123) and the first clamping block (124), and the baffle plate (122) is in a circular ring shape and is welded with the inner wall of the cylinder body (121); the inner diameter of the baffle plate (122) is smaller than the outer diameter of the limiting plate (182) and larger than the outer diameter of the first socket main body (181).
3. The self-locking double-ended quick connector of claim 1, wherein: one end of the first connector outer cylinder (12) close to the second connector (2) is uniformly and movably connected with a plurality of balls (16), and the balls (16) are distributed in a circular ring shape; the width of the annular groove of the second joint outer cylinder (22) is the same as the diameter of the plurality of balls (16); one end of the first joint outer cylinder (12) close to the second joint (2) is sleeved with a sliding cylinder (11), and a plurality of balls (16) are positioned on the inner side of the sliding cylinder (11); an annular protrusion is welded inside the slide cylinder (11), and the position of the annular protrusion corresponds to the positions of the plurality of balls (16).
4. A self locking double-ended quick connector as defined in claim 3, wherein: a front limit ring (13) is arranged on one side of the plurality of balls (16) close to the first joint (1), and the front limit ring (13) is clamped on the outer side of the first joint outer cylinder (12); one side of the plurality of balls (16) far away from the front limiting ring (13) is provided with a rear limiting ring (15), and the rear limiting ring (15) is sleeved on the outer side of the first joint outer cylinder (12).
5. The self-locking double-ended quick connector of claim 4, wherein: an outer ring spring (14) is arranged between the front limiting ring (13) and the rear limiting ring (15), and the outer ring spring (14) is sleeved on the outer side of the first joint outer cylinder (12); one end of the outer ring spring (14) is attached to the annular bulge of the sliding cylinder (11), and the other end is attached to the rear limit ring (15).
CN202311694690.0A 2023-12-12 2023-12-12 Self-locking double-head quick connector Active CN117394106B (en)

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Application Number Priority Date Filing Date Title
CN202311694690.0A CN117394106B (en) 2023-12-12 2023-12-12 Self-locking double-head quick connector

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Application Number Priority Date Filing Date Title
CN202311694690.0A CN117394106B (en) 2023-12-12 2023-12-12 Self-locking double-head quick connector

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CN117394106B true CN117394106B (en) 2024-03-08

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109301599A (en) * 2018-09-11 2019-02-01 苏州苏琼网络科技有限公司 A kind of network connector of firm plug
CN212725810U (en) * 2020-09-27 2021-03-16 苏州市思迈特电子科技有限公司 Wire harness connector convenient to lock and dismantle

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109301599A (en) * 2018-09-11 2019-02-01 苏州苏琼网络科技有限公司 A kind of network connector of firm plug
CN212725810U (en) * 2020-09-27 2021-03-16 苏州市思迈特电子科技有限公司 Wire harness connector convenient to lock and dismantle

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