CN208336570U - Plug-assembly - Google Patents
Plug-assembly Download PDFInfo
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- CN208336570U CN208336570U CN201820709072.7U CN201820709072U CN208336570U CN 208336570 U CN208336570 U CN 208336570U CN 201820709072 U CN201820709072 U CN 201820709072U CN 208336570 U CN208336570 U CN 208336570U
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- needle portion
- pilot hole
- contact pin
- needle
- plug
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Abstract
Plug-assembly provided by the utility model, including needle stand, contact pin, wherein, pilot hole is provided in needle stand, contact pin is arranged in pilot hole and can be along the axial movement of pilot hole, contact pin includes the first needle portion being located at outside needle stand and is attached thereto, and it is located at the second needle portion inside needle stand, and, plug-assembly further includes elastomeric element, elastomeric element is used for when the first needle portion bounces back due to by external force into pilot hole, apply the elastic force opposite with the retraction direction in the first needle portion to contact pin, by the way that pilot hole is arranged, when contact pin can be bounced back by external force along pilot hole, external force is avoided to damage contact pin, by the way that elastomeric element is arranged, when external force releases, the first needle portion is set to stretch out needle stand under the effect of elasticity, it returns to initial position and completes grafting.Therefore, plug-assembly provided by the utility model can either avoid contact pin or socket from generating damage, can also smoothly complete grafting.
Description
Technical field
The utility model relates to connecting structure for electrical equipment, and in particular to a kind of plug-assembly.
Background technique
Socket and plug are the electrical structures for electric energy transmission.As common a kind of plug at present, including needle stand and
Contact pin, contact pin are fixed on needle stand, dock contact pin with socket by hand-held needle stand, the electric energy in socket is transmitted to contact pin
On.
When above-mentioned plug is directly fixed on movement mechanism, then need through control movement mechanism so that contact pin and socket
Docking, in docking operation, once contact pin is not properly inserted socket, then can make contact pin touch out other knots other than socket
On structure, lead to the damage of contact pin or other structures.And even if the syringe needle of contact pin and the jack of socket are aligned, but due to contact pin
Axis and jack axis not to, then the contact pin for being inserted into jack can just touched on the hole wall of jack, after repeatedly reciprocal,
It will also result in the damage of contact pin or socket.
Utility model content
The utility model at least partly solves to damage and contact without contact pin caused by being aligned completely with socket because of plug
Bad problem.
The utility model provides a kind of plug-assembly comprising:
Needle stand is provided with pilot hole in needle stand；
Contact pin, contact pin are arranged in pilot hole, and can be along the axial movement of pilot hole, and contact pin includes being located at needle stand
It the first external needle portion and is attached thereto, and is located at the second needle portion inside needle stand；
Elastomeric element, elastomeric element be used for when the first needle portion bounces back due to by external force into pilot hole, to insert
Needle applies the elastic force opposite with the retraction direction in the first needle portion, when external force releases, to make the first needle portion return to initial bit
It sets.
Wherein, elastomeric element is spring, and spring is located in pilot hole, and is set in the second needle portion；
Plug-assembly further includes spring mountings, and spring mountings include the compressing structure being arranged in pilot hole, and
The axially spaced-apart that needle portion protrusion, needle portion protrusion and compressing structure are provided on the periphery wall in the second needle portion along pilot hole is arranged, bullet
Spring is arranged between compressing structure and needle portion protrusion.
Wherein, spring is compressed spring；Compressing structure is located at one end far from the first needle portion of needle portion protrusion, and first
When needle portion bounces back due to by external force into pilot hole, compressed spring generates compressive deformation.
Wherein, spring is extension spring, and compressing structure is located at one end close to the first needle portion of needle portion protrusion, and first
When needle portion bounces back due to by external force into pilot hole, extension spring generates tensile deformation.
Wherein, compressing structure is cylindrical or circular, and is provided with external screw thread on the periphery wall of compressing structure；And
And accordingly, internal screw thread is provided on the hole wall of pilot hole, internal screw thread is matched with external screw thread.
Wherein, pilot hole axially penetrates through needle stand along it；Spring mountings further include bottom cover, and bottom cover is connect with compressing structure,
And it is located at the outside of needle stand, and block the one end of pilot hole far from the first needle portion.
Wherein, the channel being connected to respectively with pilot hole and the external world is formed in compressing structure and bottom cover, the second needle portion
One end far from the first needle portion extends to the external world by channel.
Wherein, pilot hole axially penetrates through needle stand along it, and is provided on the internal perisporium close to the first needle portion of pilot hole
Chocking construction, chocking construction are used to make contact pin stop by stopping needle portion protrusion to during movement outside pilot hole in contact pin
Only continue to move to.
Wherein, needle portion protrusion is annular, and the outer diameter of the needle portion protrusion of annular is consistent with the diameter of pilot hole.
Wherein, the quantity of contact pin is multiple, and pilot hole and the respective quantity of elastomeric element are consistent with the quantity of contact pin, and lead
It is arranged correspondingly to hole with contact pin, elastomeric element is arranged correspondingly with contact pin.
Plug-assembly provided by the utility model, including needle stand, contact pin, wherein pilot hole is provided in needle stand, contact pin is set
It sets in pilot hole and can include the first needle portion outside the needle stand along the axial movement of pilot hole, contact pin and connect therewith
It connects, and is located at the second needle portion inside needle stand, also, plug-assembly further includes elastomeric element, elastomeric element is used in the first needle
When portion bounces back due to by external force into pilot hole, apply the elastic force opposite with the retraction direction in the first needle portion to contact pin,
By the way that pilot hole is arranged, when contact pin can be bounced back by external force along pilot hole, avoids external force from damaging contact pin, pass through
Elastomeric element is set, when external force releases, the first needle portion is enable to stretch out needle stand under the effect of elasticity, returns to initial position
Grafting is completed, therefore, plug-assembly provided by the utility model can avoid contact pin or socket from generating damage, also can be smooth
Complete grafting.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram for plug-assembly that the utility model first embodiment provides.
Wherein,
The first needle of 11- portion；The second needle of 12- portion；13- needle portion protrusion；20- needle stand；21- pilot hole；22- chocking construction；23-
Compressing structure；30- elastomeric element；40- bottom cover.
Specific embodiment
It is with reference to the accompanying drawing and specific real to make those skilled in the art more fully understand the technical solution of the utility model
Mode is applied to be described in further detail plug-assembly provided by the utility model.
Fig. 1 is a kind of schematic diagram for plug-assembly that the utility model first embodiment provides.As shown in Figure 1, this implementation
Example provides a kind of plug-assembly comprising needle stand 20, contact pin and elastomeric element 30.Specifically,
Needle stand 20 is provided with pilot hole 21 in needle stand 20；
Contact pin, contact pin are arranged in pilot hole 21, and can be along the axial movement of pilot hole 21, and contact pin includes being located at
The first needle portion 11 outside needle stand and the second needle portion 12 for being attached thereto and being located inside needle stand 20；
Elastomeric element 30, elastomeric element 30 are used to bounce back due to by external force into 21 holes of guiding in the first needle portion 11
When, apply the elastic force opposite with the retraction direction in the first needle portion 11, to contact pin when external force releases, to make the first needle portion 11
Return to initial position.
Wherein, external force is typically from the other structures touched due to plug-assembly and socket misalignment, alternatively, coming
From the hole wall of the jack in socket.
Wherein, initial position refers to position when the first needle portion 11 is located at outside needle stand.
It should also be noted that, the elastic force that elastomeric element provides is not answered excessive, otherwise buffering can not be provided for contact pin, still can
Lead to the damage of contact pin, meanwhile, the elastic force that elastomeric element provides is not answered too small yet, and otherwise can not provide enough elastic force makes contact pin
It returns to initial position and completes docking.Spring constant K is about 0.1N/mm-10N/mm, preferably 0.5N/mm-5N/mm.
Plug-assembly provided by the utility model, by the way that pilot hole is arranged, when contact pin can be along guiding by external force
Hole retraction, avoids external force from damaging contact pin, by the way that elastomeric element is arranged, when external force releases, enables the first needle portion
It is enough to stretch out needle stand under the effect of elasticity, it returns to initial position and completes grafting, therefore, plug-assembly provided by the utility model can
It enough avoids contact pin or socket from generating damage, can also smoothly complete grafting.
In the present embodiment, elastomeric element 30 is compressed spring, and compressed spring is located in pilot hole 21, and is set in second
In needle portion 12.
Plug-assembly further includes spring mountings, and spring mountings are the compressing structure 23 being arranged in pilot hole 21, and
Needle portion protrusion 13, needle portion protrusion 13 and compressing structure 23 are provided on the periphery wall in the second needle portion 12 along the axial direction of pilot hole 21
Interval setting, compressing structure 23 are located at one end far from the first needle portion 11 of needle portion protrusion 13, and compressed spring setting is tied in compression
Between structure 23 and needle portion protrusion 13, when the first needle portion 11 bounces back due to by external force into pilot hole 21, spring is generated
Compressive deformation.
It should be noted that can be fixedly connected between compressed spring and compressing structure 23 and/or needle portion protrusion 13, it can also
To be not fixed connection, as long as the power after enabling compressed spring compression to generate compressive deformation makes the first needle portion 11 return to initial position
?.
In the present embodiment, compressing structure 23 is annular in shape, and is provided with external screw thread on the periphery wall of compressing structure 23,
And internal screw thread accordingly, is provided on the hole wall of pilot hole 21, internal screw thread is matched with external screw thread, by compressing structure 23
It fixes on the hub 20.
It should be noted that in the present embodiment, compressing structure 23 is annular shape, but the utility model is not limited to
This, in practical applications, compressing structure can also be cylindrical, or the intermediate ring-type with rectangular through-hole, as long as can be to pressure
Contracting spring is positioned, to realize the pressing to compressed spring.
It should be noted that in the present embodiment, compressing structure 23 and the needle stand 20 fixed company by way of being threadedly engaged
It connects, but the utility model is not limited thereto, in practical applications, compressing structure 23 and needle stand 20 can also be otherwise
It is fixedly connected, for example, by screw that the two is fixed, etc..
In the present embodiment, pilot hole 21 axially penetrates through needle stand 20 along it, and spring mountings further include bottom cover 40, bottom cover 40
It is connect with compressing structure 23, and is located at the outside of needle stand 20, and block the one end of pilot hole 21 far from the first needle portion 11.
In the present embodiment, be formed in compressing structure 23 and bottom cover 40 respectively with pilot hole 21 and through-hole as with it is outer
The one end far from the first needle portion 11 in the channel of boundary's connection, the second needle portion 12 extends to the external world by channel.Extend to the external world
Second needle portion 12 can be used for being electrically connected with electrical structure.
Wherein, the aperture of the through-hole formed on bottom cover 40 is adapted with the outer diameter in the second needle portion 12, to lead to contact pin
Radial position into hole 21 is fixed.
In the present embodiment, pilot hole 21 axially penetrates through needle stand 20 along it, and in pilot hole 21 close to the first needle portion 11
Internal perisporium on be provided with chocking construction 22, chocking construction 22 be used for contact pin to it is mobile outside pilot hole 21 during, lead to
Blocking needle portion protrusion 13 is crossed continue to move to contact pin stopping.That is, when chocking construction 22 is stretched for limiting the first needle portion
Maximum length out.
In the present embodiment, needle portion protrusion 13 is annular, and outer diameter and the pilot hole 21 of the needle portion protrusion 13 of annular is straight
Diameter is consistent, radial position of the contact pin in pilot hole 21 to be fixed.
In the present embodiment, the quantity of contact pin is two, at this point, pilot hole 21 and the respective quantity of elastomeric element and contact pin
Quantity it is consistent, and pilot hole 21 is arranged correspondingly with contact pin, and elastomeric element is arranged correspondingly with contact pin.
Since each contact pin all has respective elastomeric element, each contact pin can relatively other contact pins progress
Self-movement, without interfering with each other.For example, when socket is two spring hole scokets, when plug-assembly tool is there are three contact pin, in three contact pins
Two can be matched with the bore of two spring hole scokets, and another contact pin then can retract under the effect of external force needle stand, that is,
It says, there are three the plug-assemblies of contact pin can both be adapted to two spring hole scokets for tool, can also be adapted to Three-hole socket.
It should be noted that in the present embodiment, pilot hole 21 is arranged correspondingly with contact pin, elastomeric element and contact pin
One-to-one setting, but the utility model is not limited thereto, it in practical applications, can also be with a same time control of elastomeric element
Make multiple contact pins.
Wherein, contact pin is made of conductive metal material, such as copper.
Wherein, socket is made of insulating materials, such as ambroin.
The utility model second embodiment provides a kind of plug-assembly, equally includes needle stand 20, contact pin, elastomeric element
30, the first needle portion, the second needle portion, pilot hole, spring mountings, compressing structure, needle portion protrusion, chocking construction, structure and function
It can be described in detail, only the difference of second embodiment and first embodiment carried out below detailed in the first embodiment
Description.
In the present embodiment, elastomeric element is extension spring, at this point, compressing structure is located at close first needle of needle portion protrusion
The one end in portion, and when the first needle portion bounces back due to by external force into pilot hole, extension spring generates tensile deformation simultaneously
The elastic force opposite with the retraction direction in the first needle portion is generated, with when external force is less than elastic force, the first needle portion returns under the effect of elasticity
Return initial position.
It should be noted that in the present embodiment, since elastomeric element is extension spring, extension spring and compression
Must be fixedly connected between structure and needle portion protrusion, extension spring could be made to generate tensile deformation when contact pin bounces back.
It is understood that embodiment of above is merely to illustrate that the principles of the present invention and uses exemplary
Embodiment, however the utility model is not limited thereto.For those skilled in the art, this is not being departed from
In the case where the spirit and essence of utility model, various changes and modifications can be made therein, these variations and modifications are also considered as this reality
With novel protection scope.
Claims (10)
1. a kind of plug-assembly characterized by comprising
Needle stand is provided with pilot hole in the needle stand；
Contact pin, the contact pin are arranged in the pilot hole, and can be along the axial movement of the pilot hole, and the contact pin
Including being located at the first needle portion outside the needle stand and being attached thereto, and it is located at the second needle portion inside the needle stand；
Elastomeric element, the elastomeric element due to by external force in first needle portion into the pilot hole for bouncing back
When, apply the elastic force opposite with the retraction direction in first needle portion, to the contact pin to make when the external force releases
First needle portion returns to initial position.
2. plug-assembly according to claim 1, which is characterized in that the elastomeric element is spring, and the spring is located at
In the pilot hole, and it is set in second needle portion；
The plug-assembly further includes spring mountings, and the spring mountings include the compression knot being arranged in the pilot hole
Structure, and needle portion protrusion is provided on the periphery wall in second needle portion, needle portion protrusion and the compressing structure are described in
The axially spaced-apart of pilot hole is arranged, and the spring is arranged between the compressing structure and needle portion protrusion.
3. plug-assembly according to claim 2, which is characterized in that the spring is compressed spring；
The compressing structure be located at needle portion protrusion far from first needle portion one end, and first needle portion because by
To external force when bouncing back into the pilot hole, the compressed spring generates compressive deformation.
4. plug-assembly according to claim 2, which is characterized in that the spring is extension spring,
The compressing structure is located at one end close to first needle portion of needle portion protrusion, and in the first needle portion because by outer
When power is acted on and bounced back into the pilot hole, the extension spring generates tensile deformation.
5. according to plug-assembly described in claim 2-4 any one, which is characterized in that the compressing structure it is cylindrical or
Person is circular, and is provided with external screw thread on the periphery wall of the compressing structure；And accordingly, in the hole wall of the pilot hole
On be provided with internal screw thread, the internal screw thread is matched with the external screw thread.
6. plug-assembly according to claim 3, which is characterized in that the pilot hole axially penetrates through the needle stand along it；
The spring mountings further include bottom cover, and the bottom cover is connect with the compressing structure, and are located at the outside of the needle stand, and seal
Block up the one end of the pilot hole far from first needle portion.
7. plug-assembly according to claim 6, which is characterized in that be formed in the compressing structure and the bottom cover
Respectively with the pilot hole and the extraneous channel being connected to, the one end far from first needle portion in second needle portion passes through described
Channel extends to the external world.
8. plug-assembly according to claim 2, which is characterized in that the pilot hole axially penetrates through the needle stand along it,
And chocking construction is provided on the internal perisporium close to first needle portion of the pilot hole, the chocking construction is used in institute
Contact pin is stated to making the contact pin stopping continue to move by stopping needle portion protrusion during mobile outside the pilot hole
It is dynamic.
9. plug-assembly according to claim 2, which is characterized in that needle portion protrusion is annular, and annular is described
The outer diameter of needle portion protrusion is consistent with the diameter of the pilot hole.
10. a kind of plug-assembly according to claim 1, which is characterized in that the quantity of the contact pin be it is multiple, it is described to lead
The respective quantity of elastomeric element described in Xiang Konghe is consistent with the quantity of the contact pin, and the pilot hole and the contact pin one are a pair of
The setting answered, the elastomeric element are arranged correspondingly with the contact pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820709072.7U CN208336570U (en) | 2018-05-11 | 2018-05-11 | Plug-assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820709072.7U CN208336570U (en) | 2018-05-11 | 2018-05-11 | Plug-assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208336570U true CN208336570U (en) | 2019-01-04 |
Family
ID=64777022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820709072.7U Active CN208336570U (en) | 2018-05-11 | 2018-05-11 | Plug-assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208336570U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110112597A (en) * | 2019-06-05 | 2019-08-09 | 飞依诺科技(苏州)有限公司 | Sound head connector, replaceable sound head and ultrasonic hand-held detection device |
-
2018
- 2018-05-11 CN CN201820709072.7U patent/CN208336570U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110112597A (en) * | 2019-06-05 | 2019-08-09 | 飞依诺科技(苏州)有限公司 | Sound head connector, replaceable sound head and ultrasonic hand-held detection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: No. 359, jingdongfang Avenue, Beibei District, Chongqing 400714 Patentee after: Chongqing Haifu Medical Technology Co.,Ltd. Address before: 401121 No. 1 Pine Road, man Town, Chongqing, Yubei District Patentee before: Chongqing Haifu Medical Technology Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder |