CN109066153B - Connector for electrical applications - Google Patents

Connector for electrical applications Download PDF

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Publication number
CN109066153B
CN109066153B CN201810827655.4A CN201810827655A CN109066153B CN 109066153 B CN109066153 B CN 109066153B CN 201810827655 A CN201810827655 A CN 201810827655A CN 109066153 B CN109066153 B CN 109066153B
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CN
China
Prior art keywords
needle
needle tube
hole
tube
rod
Prior art date
Application number
CN201810827655.4A
Other languages
Chinese (zh)
Other versions
CN109066153A (en
Inventor
文立
Original Assignee
深圳市爱默斯科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Priority to CN201810827655.4A priority Critical patent/CN109066153B/en
Publication of CN109066153A publication Critical patent/CN109066153A/en
Application granted granted Critical
Publication of CN109066153B publication Critical patent/CN109066153B/en

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Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02Contact members
    • H01R13/15Pins, blades or sockets having separate spring member for producing or increasing contact pressure
    • H01R13/17Pins, blades or sockets having separate spring member for producing or increasing contact pressure with spring member on the pin
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCBs], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70Coupling devices
    • H01R12/71Coupling devices for rigid printing circuits or like structures
    • H01R12/712Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
    • H01R12/716Coupling device provided on the PCB
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/40Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/42Securing in a demountable manner
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46Bases; Cases
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement

Abstract

The invention discloses an electrical connector, which adopts the technical scheme that the electrical connector comprises an inserting body, wherein the inserting body is provided with a needle tube which is obliquely arranged, the needle tube is sleeved with a sliding needle rod, and an elastic part for driving the needle rod to be obliquely inserted into a seat body is arranged in the needle tube; the inclination angle of the needle tube is 45-80 degrees; the number of the needle tubes is two, and the two needle tubes are oppositely and obliquely arranged; the number of the needle tubes is two, and the two needle tubes are obliquely arranged in a back direction; the extension and retraction amount of the needle rod in the needle tube is 2-3 mm; the needle holder is characterized in that a containing hole for containing the needle tube is formed in the insert body, the containing hole comprises two step-shaped hole shoulders, a bulge is fixed on the outer wall of the needle tube, two ends of the bulge are respectively blocked at the two hole shoulders to realize axial fixation of the needle tube in the containing hole, and a component force in a contact direction is formed between the side wall of the needle rod and a connected seat body by utilizing the obliquely extending needle rod, so that the contact relation between the needle rod and the seat body is more stable.

Description

Connector for electrical applications

Technical Field

The present invention relates to a connector, and more particularly, it relates to a connector for electrical use.

Background

Electrical connectors are often used to conduct power between power sources, and most of the connectors are connected by a needle bar.

Now, a chinese patent document with publication number CN205004534U is retrieved, in which a power pin is vertically fixed on a plug; in the use process, the area of the side surface of the power supply pin is much larger than that of the end part, so that the main contact surface for conducting electricity of the power supply pin comes from the side wall of the power supply pin;

the power needle on the plug is vertically inserted into the other matched seat body, the inserting force of the power needle and the seat body mainly comes from the inserting direction, and the direction of the inserting force and the side wall of the power needle are mostly in parallel relation, so that the side wall of the power needle cannot have a stable thrust to ensure that the side wall of the power needle is stably contacted with the seat body; however, the conductive contact surface of the sidewall of the power pin and the plug body is easily changed due to the vibration of the base body, and the poor contact easily causes unstable power transmission of the power pin.

Disclosure of Invention

The invention aims to provide an electric connector, which utilizes a needle rod extending obliquely to ensure that a lasting component force in a contact direction is formed between the side wall of the needle rod and a connected seat body, so that the contact relation between the needle rod and the seat body is more stable.

The technical purpose of the invention is realized by the following technical scheme:

an electric connector comprises a plug body, wherein the plug body is provided with a needle tube which is obliquely arranged, the needle tube is sleeved with a sliding needle rod, and an elastic piece for driving the needle rod to be obliquely inserted into a seat body is arranged in the needle tube.

Through adopting above-mentioned technical scheme, the needle tubing slope is fixed on the plug-in body, and the pedestal is another electric component by the needle bar male.

When the seat body and the inserting body are mutually inserted, the needle rod is inserted into the seat body in an inclined mode, when a worker compresses the seat body and the inserting body, force in the pressing direction generates two component forces, and one component force is along the length direction of the needle rod; the other component is perpendicular to the length direction of the needle bar, namely perpendicular to the side wall of the needle bar, so the inclined insertion mode can provide the force for pressing the seat body and the side wall of the needle bar, thereby leading the contact surface of the seat body and the side wall of the needle bar to be more stable.

Secondly, for some special power connection devices, such as emergency power connection, the base body and the plug body need to be kept in a plug-in state for a long time, and in order to avoid non-workers from unintentionally detaching the plug body and the base body, the design concept of the inclined needle rod in the scheme can be adopted.

When the elastic element is adopted to push the needle rod: when the needle rod is inserted into the seat, the extension of the needle rod is greater than the depth of the seat, the needle rod is partially retracted into the needle tube, the elastic element is compressed to provide a lasting thrust to the needle rod, the elasticity of the elastic element is decomposed at the moment, the side wall of the needle rod is provided with a component force which is attached to the seat in the direction, the component force enables the side wall of the needle rod to be contacted with the seat more closely, and the electric conductivity of the needle rod and the seat is stable.

Preferably, the inclination angle of the needle tube is 45-80 degrees.

By adopting the technical scheme, if the inclination is more than 80 degrees, the inclination fit and the inclination blocking effect of the needle tube are weak, which is very close to the vertical relation between the needle tube and the inserting body.

If the inclination angle is less than 45 degrees, the inserting direction of the inserting body and the seat body is deviated to the vertical needle rod, which can increase the inserting difficulty of the needle rod and the seat body and is not beneficial to the mass combination and installation of the seat body and the inserting body.

Preferably, the number of the needle tubes is two, and the two needle tubes are arranged in an inclined mode in opposite directions.

Through adopting above-mentioned technical scheme, the needle tubing slope in opposite directions means that, two needle tubing facies face to each other slope, has set up like this and has closed on two seatss and set up for the pedestal on the plug-in body can be compact the installation together, is convenient for pedestal and plug-in body combination installation in the electric component.

Preferably, the number of the needle tubes is two, and the two needle tubes are obliquely arranged in a back direction.

Through adopting above-mentioned technical scheme, the back of both needle tubes indicates, and two needle tubes deviate from the direction slope of other side, and the purpose of this design indicates that, two pedestal are far apart when inserting with the needle tube and close, can not receive the interference when inserting respectively, are favorable to pedestal and needle bar to insert the installation fast.

Preferably, the needle rod is extended and retracted in the needle tube by 2-3 mm.

By adopting the technical scheme, the needle bar is more than 3mm in expansion and contraction amount, and the needle bar is twisted off due to overlong expansion and contraction amount; the telescopic quantity of the needle bar is less than 2mm, and the contact quantity of the side wall of the needle bar and the seat body is insufficient due to too short telescopic quantity; therefore, the telescopic length of the needle bar is controlled to be 2-3mm after being improved for many times.

Preferably, the insertion body is internally provided with a containing hole for containing the needle tube, the containing hole comprises two step-shaped hole shoulders, the outer wall of the needle tube is fixed with a bulge, and two ends of the bulge are respectively blocked at the two hole shoulders to realize the axial fixation of the needle tube in the containing hole.

Through adopting above-mentioned technical scheme, the arch is kept off by two upper and lower hole shoulders of holding the hole for needle tubing axial displacement is restrained fixedly.

Preferably, the insert body is provided with a swinging hole with a strip-shaped track, and the needle tube swings back and forth along the swinging hole to realize the forward and reverse adjustment of the inclination angle direction of the needle tube;

a resisting block is arranged in the swinging hole, a bulge is fixed on the outer wall of the needle tube and is abutted against the upper part of the resisting block to limit the downward sliding of the needle tube;

an inserting assembly for limiting the needle tube to slide upwards is arranged between the inserting body and the needle tube, and the inserting assembly is arranged at two ends of a swing track in the swing hole.

By adopting the technical scheme, the arrangement of the swinging hole is used for adjusting the inclination direction of the needle tube; the strip shape enables the two ends of the swinging hole to be provided, and the inclined directions of the needle tube at the two ends of the swinging hole are just opposite.

When the needle tube moves to the end part of the swinging hole, the protrusion and the blocking relation of the abutting block limit the needle tube to slide downwards, the inserting assembly limits the needle tube to slide upwards, so that the needle tube is axially positioned, and the purpose of fixing the needle tube and the inserting body is achieved.

The purpose of this design is in order to improve the suitability of connector, obviously utilize the orientation that this design can freely be adjusted the syringe, can realize the syntropy slope of a plurality of needle bars, the slope of dorsad and slope in opposite directions.

And in the power supply unit maintenance field, after the inclined connectors of the same type are used up, the specific seat body can be matched by adjusting the inclined direction of the needle tube, so that the maintenance efficiency is improved. The scheme has larger popularization and practicability no matter in assembly use or maintenance use.

Preferably, the swing hole is in a circular arc track and comprises an upper hole and a lower hole for the needle tube to penetrate, the connection surfaces of the ends of the upper hole and the lower hole are inclined planes, and the inclination directions of the two inclined planes are opposite.

By adopting the technical scheme, the connecting surface is an inclined surface which is used for being attached to the tube wall of the needle tube so as to achieve the aim of inclining the needle tube.

Preferably, the inserting assembly comprises an annular slot arranged on the outer wall of the needle tube, a locking slot arranged on the inserting body and an inserting block, and the inserting block is simultaneously inserted into the annular slot and the locking slot;

the insertion block and the end part of the swinging hole clamp the needle tube to limit the needle tube to move along the swinging hole.

By adopting the technical scheme, on one hand, the insertion block is simultaneously inserted into the insertion body and the needle tube, so that the needle tube and the seat body are axially fixed; on the other hand, the needle tube is clamped and fixed by the insertion block and the end part of the swinging hole, so that the needle tube is difficult to move along the track of the swinging hole.

In conclusion, the invention has the following beneficial effects: because the extension amount of the needle rod is 2-3mm, the deviation of the height position of the needle tube has larger influence on the precision of the needle rod inserted in the seat body, and the spherical convex block is utilized to effectively reduce the height change in the swinging process of the needle tube.

Drawings

FIG. 1 is a plan view of embodiment 1;

FIG. 2 is a cross-sectional view A-A of the left-hand syringe of FIG. 1 shown without the syringe mounted in the hub;

FIG. 3 is an isometric schematic view of embodiment 1;

FIG. 4 is a plan view of embodiment 2;

FIG. 5 is a schematic structural view of example 3;

fig. 6 is a schematic view of the internal structure of the swing hole in embodiment 3 after being longitudinally cut.

In the figure:

11. inserting body; 12. base body

21. A needle tube; 22. a needle bar; 23. an elastic member;

3. a housing hole; 31. a bore shoulder; 32. a protrusion;

41. a yielding groove; 42. a handle; 43. a limiting block;

51. a swing hole; 511. An upper orifice; 512. a lower orifice; 513. a bevel;

6. a resisting block;

71. an annular slot; 72. locking the groove; 73. and (5) inserting the blocks.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Embodiment 1, a connector for electrical use, as shown in fig. 1, for conduction of an electric circuit in a power supply unit;

the plug-in type plug-in connector comprises a plug-in body 11, wherein the plug-in body 11 is integrally rectangular and blocky, and the plug-in body 11 is mainly made of insulating plastics; two needle tubes 21 are inserted into the inserting body 11, two ends of each needle tube 21 extend out of the surface of the inserting body 11, and the needle tubes 21 are obliquely arranged relative to the surface of the inserting body 11; the two needle tubes 21 are inclined toward each other by an angle of 60 degrees, and in other embodiments, they may be 65 degrees, 70 degrees, 75 degrees, etc.

As shown in fig. 1 and 2, the insertion body 11 is provided with a containing hole 3 therein, the containing hole 3 is used for penetrating the needle tube 21, and the containing hole 3 is also obliquely arranged in the insertion body 11.

The containing hole 3 comprises a large hole section and small hole sections arranged at two ends of the large hole section, the diameter of the large hole section is larger than that of the small hole section, and a step-shaped hole shoulder 31 is formed at the joint of the large hole section and the small hole section. The diameter of the middle pipe section on the outer wall of the needle tube 21 is larger than that of the pipe sections at the two ends, so that an annular bulge 32 is formed on the outer wall of the needle tube 21; the two ends of the protrusion 32 along the length direction of the needle tube 21 are blocked by the two hole shoulders 31, so that the whole needle tube 21 is axially fixed in the insert 11. The needle tube 21 is tightly inserted into the receiving hole 3, so that the needle tube 21 itself cannot swing in the receiving hole 3.

The end of the needle tube 21 is provided with a blind hole, an elastic element 23 is arranged in the blind hole, the elastic element 23 is a spring in the embodiment, and a needle rod 22 is inserted into the needle tube 21; one end of the needle rod 22 is arranged outside the needle tube 21 and is used for being contacted with the seat body 12; the other end of the needle shaft 22 abuts against the elastic member 23 so that the needle shaft 22 can be retracted into the needle tube 21.

The needle rod 22 is extended and slid in the needle tube 21 by 2.5 mm; the end of the blind hole in the needle tube 21 is provided with a retaining ring, the end of the needle rod 22 arranged in the blind hole is fixed with a retaining ring, and the retaining relationship between the retaining ring and the retaining ring prevents the needle rod 22 from slipping off the needle tube 21.

The working principle is as follows:

when the holder 12 is moved in the direction of the inclination of the needle rod 22, the needle rod 22 is pushed toward the inside of the needle tube 21 by the holder 12, and the needle rod 22 performs the action of compressing the spring, and the spring is pressed, so that the needle rod 22 is always driven by a force to be inserted obliquely upward into the needle tube 21.

After the spring is compressed, a permanent thrust is applied to the needle bar 22, at the moment, the elastic force of the spring is decomposed, and the side wall of the needle bar 22 has a component force in the direction of being attached to the seat body 12, and the component force enables the side wall of the needle bar 22 to be contacted with the seat body 12 to be attached more, so that the electric conductivity of the needle bar 22 and the seat body 12 is stable.

As shown in fig. 3, the longer two side surfaces of the plug body 11 are both provided with an abdicating groove 41, and the abdicating groove 41 is formed by penetrating along the height direction of the plug body 11; the groove bottom of the abdicating groove 41 is concave, so the cross section of the abdicating groove 41 is in the shape of a truncated circular surface, and the purpose of the cross section shape is that when the thumb of a worker extends into the abdicating groove 41, the shape of the meat at the end part of the thumb is in the shape of a convex curved surface, and the meat end of the thumb can be attached to the curved bottom of the abdicating groove 41; the contact area between the curved bottom of the abdicating groove 4 and the meat end of the thumb is increased, so that the thumb can apply friction force to the bottom of the abdicating groove 41 to press the insert 11 conveniently.

A handle 42 is fixed on the side surface of the inserting body 11, the handle 42 is U-shaped, and the handle 42 is arranged around the notch of the abdicating groove 41;

the handle 42 is arranged at the bottom of the side face of the inserting body 11, the abdicating groove 41 penetrates through the height direction of the whole side face of the inserting body 11, the height of the abdicating groove 41 is at least 3 times of that of the handle 42, so that when a worker presses the inserting body 11 by using a thumb, the position near the joint of the thumb acts on the handle 42, the meat end of the thumb can be attached to the part of the abdicating groove 41 higher than the handle 42, the higher part is 2.3cm, the meat end can have the finger distance of 2.3cm and is attached to the abdicating groove 41, and enough friction resistance is generated on the abdicating groove 41. The finger distance is: distance in the length direction of the finger.

Therefore, when the insert 11 is mounted on the circuit board, the two thumb joints of the worker press the handles 42 on the two sides, and the ends of the thumbs are fitted to the two relief grooves 41. This design advantage, two thumbs are to inserting 11 centre gripping application of force, are convenient for aim at the mounted position of circuit board with inserting 11, are favorable to inserting 11 quick installation on the circuit board.

The receding groove 41 is communicated with the concave surface of the U-shaped handle 42, and a through hole with a larger hole diameter is formed at the communication position of the receding groove and the U-shaped handle, and the through hole can be used for inserting an iron wire or a wire so as to connect the inserting bodies 11 in series; the purpose is that when replacing small-sized electric elements in some maintenance sites, the small-sized electric elements are easy to lose, and the plug bodies 11 are stringed, so that the situation can be effectively reduced.

When the purpose of using a larger through hole is utilized, generally, when a single insertion body 11 is taken out from the insertion bodies 11 in a string, a pouring mode is mostly adopted, so that a plurality of insertion bodies 11 are difficult to pour out, the operation space on a maintenance site is smaller, the diameter of the through hole is larger, and a maintenance worker can conveniently and rapidly string redundant insertion bodies 11 on a steel wire, so that the situation that redundant insertion bodies 11 are lost can be reduced.

And two limiting blocks 43 are fixed on the two width direction sides of the inserting body 11, the bottom of the limiting block 43 is higher than the bottom of the inserting body 11, when the rectangular block-shaped whole body in the inserting body 11 is embedded in the hole of the circuit board, the bottom of the limiting block 43 is blocked on the surface of the circuit board, and the inserting body 11 is prevented from being further inserted into the circuit board.

Embodiment 2, which is different from embodiment 1, as shown in fig. 4, two needle tubes 21 are inclined back to back in the insertion body 11, and two needle shafts 22 in the needle tubes 21 are inclined in directions away from each other.

Embodiment 3, which is different from embodiment 1 or embodiment 2, as shown in fig. 5 and fig. 6, the socket 11 is provided with a swing hole 51 having a circular arc-shaped track, the swing hole 51 includes an upper orifice 511 and a lower orifice 512, the needle tube 21 passes through the upper orifice 511 and the lower orifice 512 in the swing hole 51, and the needle tube 21 moves along the track of the swing hole 51 at both ends of the hole thereof, thereby adjusting the position of the needle tube 21 on the socket 11;

the connecting surface of the end parts of the upper orifice 511 and the lower orifice 512 is an inclined surface 513, and the inclined directions of the two inclined surfaces 513 are opposite; since the inclination directions of both ends of the swing hole 51 are opposite to each other, the inclination direction of the needle tube 21 is also adjusted when the positions of both ends of the swing hole 51 of the needle tube 21 are adjusted.

A resisting block 6 is arranged in the swinging hole 51, a circular-ring-shaped bulge 32 is fixed on the outer wall of the needle tube 21, and the lower end of the bulge 32 is abutted against the upper part of the resisting block 6; the resisting block 6 is an arch block, the smooth arch cambered surface of the resisting block is convenient for the movement of the needle tube 21, the needle tube 21 is clamped in the width direction of the swinging hole 51, the needle tube 21 can only swing in the length direction of the swinging hole 51, and the needle tube 21 cannot slide downwards along the swinging hole 51 due to the combination of the position relation;

the inserting body 11 and the needle tube 21 are provided with inserting components which limit the needle tube 21 to slide out of the swinging hole 51 upwards;

the inserting assembly comprises an annular slot 71 arranged on the outer wall of the needle tube 21, the inserting body 11 is provided with two locking grooves 72, and the two locking grooves 72 penetrate through the side surface of the swinging hole 51; and two locking slots 72 are adjacent to two sections of the upper aperture 511, respectively.

When the needle tube 21 inclines to the left, the needle tube 21 is attached to the left side wall of the swing hole 51, the downward moving path of the needle tube 21 is blocked by the block 6, the annular slot 71 of the needle tube 21 and the locking groove 72 of the plug body 11 are simultaneously plugged by the plug block 73, and the upward and downward moving path of the needle tube 21 is blocked by the plug block 73; next, the needle cannula 21 is held by the inclined surface 513 of the swinging hole 51 and the insertion block 73, so that the needle cannula 21 cannot move, and the step of fixing the needle cannula 21 to the left side of the swinging hole 51 is completed.

When the needle tube 21 is tilted to the right, the insertion block 73 in the lock groove 72 is pulled out, the needle tube 21 is swung to the right in the swing hole 51, and then the needle tube 21 is inserted and fixed again by the insertion block 73 on the right.

It should be noted that, no matter the left side of the needle tube 21 is inclined or the right side of the needle tube 21 is inclined, the inclined angle of the needle tube 21 is the same as the projecting amount of the needle tube 21 in the swinging hole 51, so the annular slot 71 in the present design is designed to surround the outer wall of the needle tube 21, and after the needle tube 21 rotates around its central axis in the swinging process, the annular slot 71 can still be aligned with the locking groove 72.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims (7)

1. A connector for electrical use, comprising a plug-in body (11), characterized in that: the insert body (11) is provided with a needle tube (21) which is obliquely arranged, the needle tube (21) is sleeved with a sliding needle rod (22), and an elastic element (23) which drives the needle rod (22) to be obliquely inserted into the seat body (12) is arranged in the needle tube (21);
the inserting body (11) is provided with a swinging hole (51) with a strip-shaped track, and the needle tube (21) swings back and forth along the swinging hole (51) to realize the positive and negative adjustment of the inclination angle direction of the needle tube (21);
a butting block (6) is arranged in the swinging hole (51), a bulge (32) is fixed on the outer wall of the needle tube (21), and the bulge (32) is butted above the butting block (6) to limit the downward sliding of the needle tube (21);
an inserting assembly for limiting the needle tube (21) to slide upwards is arranged between the inserting body (11) and the needle tube (21), and the inserting assembly is arranged at two ends of a swinging track in the swinging hole (51);
the inserting assembly comprises an annular slot (71) arranged on the outer wall of the needle tube (21), a locking groove (72) arranged on the inserting body (11) and an inserting block (73), and the inserting block (73) is used for simultaneously inserting the annular slot (71) and the locking groove (72);
the insertion block (73) and the end of the swing hole (51) clamp the needle tube (21) to restrict the movement of the needle tube (21) along the swing hole (51).
2. The electrical connector of claim 1, wherein: the inclination angle of the needle tube (21) is 45-80 degrees.
3. The electrical connector of claim 2, wherein: the number of the needle tubes (21) is two, and the two needle tubes (21) are arranged in an opposite inclined way.
4. The electrical connector of claim 2, wherein: the number of the needle tubes (21) is two, and the two needle tubes (21) are arranged obliquely back to back.
5. The electrical connector of claim 1, wherein: the extension and retraction amount of the needle rod (22) in the needle tube (21) is 2-3 mm.
6. The connector for electrical use of any of claims 1-5, wherein: the plug body (11) is internally provided with a containing hole (3) for containing the needle tube (21), the containing hole (3) comprises two step-shaped hole shoulders (31), the outer wall of the needle tube (21) is fixed with a bulge (32), and two ends of the bulge (32) are respectively blocked at the two hole shoulders (31) to realize the axial fixation of the needle tube (21) in the containing hole (3).
7. The connector for electrical use of any of claims 1-5, wherein: the swing hole (51) is in a circular arc track, the swing hole (51) comprises an upper hole (511) and a lower hole (512) for the needle tube (21) to penetrate, the connecting surfaces of the ends of the upper hole (511) and the lower hole (512) are inclined surfaces (513), and the inclination directions of the two inclined surfaces (513) are opposite.
CN201810827655.4A 2018-07-25 2018-07-25 Connector for electrical applications CN109066153B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810827655.4A CN109066153B (en) 2018-07-25 2018-07-25 Connector for electrical applications

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810827655.4A CN109066153B (en) 2018-07-25 2018-07-25 Connector for electrical applications

Publications (2)

Publication Number Publication Date
CN109066153A CN109066153A (en) 2018-12-21
CN109066153B true CN109066153B (en) 2020-04-10

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Country Link
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Publication number Priority date Publication date Assignee Title
CN1581592A (en) * 2003-07-31 2005-02-16 日本压着端子制造株式会社 Electric connector
CN1293678C (en) * 2001-04-27 2007-01-03 株式会社友华 Spring connector
CN2904356Y (en) * 2006-05-18 2007-05-23 番禺得意精密电子工业有限公司 Electric connector
CN2932684Y (en) * 2006-06-28 2007-08-08 番禺得意精密电子工业有限公司 Electric connector
CN201004494Y (en) * 2007-02-06 2008-01-09 番禺得意精密电子工业有限公司 Electric connector
CN201421909Y (en) * 2009-04-10 2010-03-10 富港电子(东莞)有限公司 Probe
CN102117986A (en) * 2010-01-06 2011-07-06 富士康(昆山)电脑接插件有限公司 Electric connector

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1293678C (en) * 2001-04-27 2007-01-03 株式会社友华 Spring connector
CN1581592A (en) * 2003-07-31 2005-02-16 日本压着端子制造株式会社 Electric connector
CN2904356Y (en) * 2006-05-18 2007-05-23 番禺得意精密电子工业有限公司 Electric connector
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