CN210923780U - Large-current direct current probe and direct current probe assembly - Google Patents
Large-current direct current probe and direct current probe assembly Download PDFInfo
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- CN210923780U CN210923780U CN201921243173.0U CN201921243173U CN210923780U CN 210923780 U CN210923780 U CN 210923780U CN 201921243173 U CN201921243173 U CN 201921243173U CN 210923780 U CN210923780 U CN 210923780U
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Abstract
The utility model relates to a heavy current direct current probe and direct current probe subassembly, including fixing base and heavy current direct current probe, heavy current direct current probe includes probe needle body, probe needle file and elastic component, and the probe needle body has riveting end, spacing groove and first spacing step, and first spacing step is formed with annular contact end, and probe needle file utensil first installation cavity, the upper and lower end of first installation cavity are uncovered, and first installation cavity forms second spacing step; the probe needle body is arranged in the first mounting cavity, the riveting end and the limiting groove extend out of the probe needle seat, the buckle is matched in the limiting groove, the probe needle body moves in the up-down direction relative to the probe needle seat, and the probe needle seat is respectively abutted to the annular contact end and the buckle; area of contact when the increase electrically conducts the contact, contact performance and stability when the increase probe needle body electrically conducts the contact, reinforcing current-carrying capacity, also be convenient for follow-up and the wire between be connected fixedly, assembly efficiency is high, moreover, can be applied to on various small household electrical appliances, the equipment is convenient and the fastness is better.
Description
Technical Field
The utility model belongs to the technical field of the probe technique and specifically relates to indicate a heavy current direct current probe and direct current probe subassembly.
Background
Existing probes typically employ a structure that houses and incorporates a coil spring. The needle head of the existing probe is designed to be composed of a plurality of copper wires in order to adapt to the current with larger capacity, gaps are easy to appear on the tightness among the copper wires, and the individual copper wires are easy to bear large current and melt or change the thermal characteristics, so that the service life of the probe is influenced.
In addition, the needle tail of the existing probe is generally connected with the wire by a screw, so that the connection stability is poor, and the loosening phenomenon is easy to occur.
Therefore, in the present invention, the applicant has elaborately studied a high current dc probe and a dc probe assembly to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model discloses not enough to above-mentioned prior art exists, main aim at provides a heavy current direct current probe and direct current probe subassembly, area of contact when the increase electrically conducts the contact, contact performance and stability when the increase probe needle body electrically conducts the contact, reinforcing current-carrying capacity, simultaneously, be convenient for follow-up and wire between be connected fixedly, assembly efficiency is high, moreover, can be applied to on various small household electrical appliances, the equipment is convenient and the fastness is better.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a kind of great current direct current probe, including probe needle body, probe needle base and elastic part, wherein:
the lower end of the probe needle body is provided with a riveting end and a limiting groove, a buckle is arranged aiming at the limiting groove, the upper end of the probe needle body is provided with a first limiting step, the upper end of the first limiting step integrally extends horizontally outwards to form an annular contact end, the elastic piece is sleeved on the periphery of the probe needle body, the probe needle seat is provided with a first installation cavity, the upper end and the lower end of the first installation cavity are open, and the inner wall of the lower end of the first installation cavity is provided with a second limiting step;
the probe needle body stretches out outside the probe needle file from the uncovered detachable first installation intracavity of packing into in upper end and the riveting end and the spacing groove of probe needle body, buckle adaptation in spacing inslot to make: the upper end and the lower end of the elastic part are respectively abutted to the first limiting step and the second limiting step, the probe needle body is displaced along the upper direction and the lower direction relative to the probe needle seat, and the probe needle seat is respectively abutted to the annular contact end and the buckle.
Preferably, the probe needle base is provided with a first external thread on the periphery.
As a preferred scheme, the probe needle seat integrally and horizontally extends outwards at the periphery of the side where the second limit step is located to form an annular convex part.
Preferably, the limiting groove is located between the riveting end and the first limiting step.
A direct current probe assembly comprises a fixed seat, a first direct current wiring probe, a second direct current wiring probe and a third direct current wiring probe, wherein the first direct current wiring probe is arranged on the fixed seat and used for being connected with a live wire, the second direct current wiring probe is used for being connected with a zero line, and the third direct current wiring probe is used for being connected with a ground wire;
the fixing seat is provided with a second mounting cavity, a third mounting cavity and a fourth mounting cavity with open upper and lower ends, the high-current direct-current probe comprises a probe needle body, a probe needle seat and an elastic piece, and the probe needle body, the probe needle seat and the elastic piece of the first direct-current wiring probe to the third direct-current wiring probe are respectively and correspondingly defined as a first probe needle body to a third probe needle body, a first probe needle seat to a third probe needle seat and a first elastic piece to a third elastic piece;
the lower ends of the first probe pin body to the third probe pin body are respectively provided with a riveting end and a limiting groove, a buckle is arranged aiming at the limiting groove, the upper end of each probe pin body is provided with a first limiting step, the upper end part of each first limiting step integrally extends horizontally outwards to form an annular contact end, each elastic piece is sleeved on the periphery of the corresponding probe pin body, each probe pin seat is provided with a first installation cavity, the upper end and the lower end of each first installation cavity are open, and the inner wall of the lower end of each first installation cavity is provided with a second limiting step;
first probe needle file is uncovered from the lower extreme of second installation cavity and is installed in second installation cavity and first probe needle file exposes outside the fixing base, second probe needle file is uncovered from the lower extreme of third installation cavity and is installed in third installation cavity and second probe needle file exposes outside the fixing base, first probe needle body and second probe needle body stretch out outside corresponding probe needle file from the uncovered detachable corresponding first installation cavity of packing into in the upper end of corresponding probe needle file and riveting end and the spacing groove of corresponding probe needle body, buckle adaptation in spacing groove to make: the upper end and the lower end of the elastic part are respectively abutted against the first limiting step and the second limiting step, the first probe needle body and the second probe needle body are displaced along the up-down direction relative to the corresponding probe needle seat, and the probe needle seat is respectively abutted against the annular contact end and the buckle;
the third probe needle seat is arranged in the fourth mounting cavity from the lower end opening of the fourth mounting cavity, and the third probe needle seat is exposed out of the fixing seat.
As an optimal scheme, first probe needle file to third probe needle file three's periphery is equipped with first external screw thread, the inner wall of second installation cavity, third installation cavity and fourth installation cavity all is equipped with first internal thread, corresponding second installation cavity to fourth installation cavity are packed into to first probe needle file to third probe needle file detachable, the first internal thread of first external screw thread adaptation.
As a preferred scheme, the first probe needle seat to the third probe needle seat extend outwards in an integrated horizontal manner at the periphery of the second limit step, and form an annular convex part, and the annular convex parts of the first probe needle seat to the third probe needle seat are limited on the lower end face of the fixing seat.
As a preferred scheme, the probe needle holder further comprises two nuts, each nut is provided with a fifth mounting cavity, a second internal thread is arranged on the inner wall of each fifth mounting cavity, the two nuts are respectively connected with the first probe needle holder and the second probe needle holder, and the first external threads are matched with the second internal threads.
Preferably, the peripheral wall of each nut is provided with anti-slip ribs.
As a preferred scheme, two fixing lugs are arranged on the fixing seat.
Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly: the large-current direct-current probe is ingenious in design and can be used in the field of direct-current conduction, particularly, the conductive end of the probe is in planar contact through the annular contact end, the contact area during conductive contact is increased, the contact performance and stability during conductive contact of a probe body are increased, and the current-carrying capacity is enhanced;
and all parts are convenient and firm to assemble, and the stability and reliability of the electric connector product in the operation process are ensured.
To more clearly illustrate the structural features and effects of the present invention, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
Drawings
Fig. 1 is a schematic view of a three-dimensional assembly structure of a large-current dc probe according to an embodiment of the present invention;
fig. 2 is an exploded view of a high current dc probe according to an embodiment of the present invention;
fig. 3 is a schematic cross-sectional view of a large-current dc probe according to an embodiment of the present invention;
fig. 4 is a schematic perspective assembly structure diagram of a dc probe assembly according to an embodiment of the present invention;
fig. 5 is a schematic exploded view of a dc probe assembly according to an embodiment of the present invention.
The reference numbers illustrate:
10. probe needle body 11, riveted end
12. Limiting groove 13 and first limiting step
14. Annular contact end
20. Probe needle holder 21, first external thread
22. First installation cavity 23 and second limiting step
24. Annular convex part
30. Elastic piece
40. Buckle
50. Fixing seat 51 and second mounting cavity
52. Third mounting cavity 53 and fourth mounting cavity
54. First internal thread 55, fixing lug
61. First and second direct current connection probes 62 and 62
63. Third direct current wiring probe 64 and nut
641. A fifth mounting cavity 642 and a second internal thread.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description.
As shown in fig. 1 to 5, a high current dc probe includes a probe needle body 10, a probe needle holder 20 and an elastic member 30, wherein:
the lower end of the probe pin body 10 is provided with a riveting end 11 and a limiting groove 12, a buckle 40 is arranged for the limiting groove 12, the upper end of the probe pin body 10 is provided with a first limiting step 13, the upper end of the first limiting step 13 integrally extends horizontally outwards to form an annular contact end 14, the elastic part 30 is sleeved on the periphery of the probe pin body 10, and in the embodiment, the elastic part 30 is a spring. The probe needle holder 20 is provided with a first external thread 21 on the periphery. The probe needle seat 20 is provided with a first mounting cavity 22, the upper end and the lower end of the first mounting cavity 22 are open, a second limiting step 23 is formed on the inner wall of the lower end of the first mounting cavity 22, preferably, the probe needle seat 20 integrally and horizontally extends outwards at the periphery of the side where the second limiting step 23 is located to form an annular convex portion 24, and the limiting groove 12 is located between the riveting end 11 and the first limiting step 13.
The probe needle body 10 is detachably installed into the first installation cavity 22 from the upper end opening, the riveting end 11 and the limiting groove 12 of the probe needle body 10 are exposed outside the probe needle seat 20, and the buckle 40 is adapted to the limiting groove 12, so that: the upper end and the lower end of the elastic member 30 are respectively abutted against the first limit step 13 and the second limit step 23, the probe needle body 10 is displaced along the up-down direction relative to the probe needle seat 20, and the probe needle seat 20 is respectively abutted against the annular contact end 14 and the buckle 40.
A direct current probe assembly comprises a fixed seat 50, a first direct current wiring probe 61, a second direct current wiring probe 62 and a third direct current wiring probe 63, wherein the first direct current wiring probe 61, the second direct current wiring probe 62 and the third direct current wiring probe 63 are arranged on the fixed seat 50 and used for connecting a live wire, a zero wire and a ground wire; preferably, the fixing base 50 is provided with two fixing lugs 55.
The first direct current wiring probe 61, the second direct current wiring probe 62 and the third direct current wiring probe 63 are all large current direct current probes, the fixing seat 50 is provided with a second mounting cavity 51, a third mounting cavity 52 and a fourth mounting cavity 53 with openings at the upper end and the lower end, the large current direct current probe comprises a probe needle body 10, a probe needle seat 20 and an elastic part 30, and the probe needle body 10, the probe needle seat 20 and the elastic part 30 of the first direct current wiring probe 61 to the third direct current wiring probe 63 are respectively and correspondingly defined as a first probe needle body to a third probe needle body, a first probe needle seat to a third probe needle seat and a first elastic part to a third elastic part;
the lower ends of the first probe body to the third probe body are respectively provided with a riveting end 11 and a limiting groove 12, a buckle 40 is arranged aiming at the limiting groove 12, the upper end of each probe body 10 is provided with a first limiting step 13, the upper end part of each first limiting step 13 integrally extends horizontally outwards to form an annular contact end 14, each elastic part 30 is sleeved on the periphery of the corresponding probe body, each probe needle seat 20 is provided with a first installation cavity 22, the upper end and the lower end of each first installation cavity 22 are open, and the inner wall of the lower end of each first installation cavity 22 is provided with a second limiting step 23;
first probe needle file is uncovered from the lower extreme of second installation cavity 51 to be installed in second installation cavity 51 and first probe needle file exposes outside fixing base 50, second probe needle file is uncovered from the lower extreme of third installation cavity 52 to be installed in third installation cavity 52 and second probe needle file exposes outside fixing base 50, first probe needle body and second probe needle body 10 stretch to expose outside corresponding probe needle file 20 from the uncovered detachable corresponding first installation cavity 22 of packing into in the upper end of corresponding probe needle file 20 and riveting end 11 and the spacing groove 12 of corresponding probe needle body 10, buckle 40 adaptation in spacing groove 12 to make: the upper end and the lower end of the elastic part 30 are respectively abutted against the first limiting step 13 and the second limiting step 23, the first probe needle body and the second probe needle body 10 are displaced along the up-down direction relative to the corresponding probe needle seat 20, and the probe needle seat 20 is respectively abutted against the annular contact end 14 and the buckle 40;
the third probe pin seat is installed in the fourth installation cavity 53 from the lower end opening of the fourth installation cavity 53 and the third probe pin seat is exposed outside the fixing seat 50.
In this embodiment, the peripheries of the first probe needle seat to the third probe needle seat are provided with first external threads 21, the inner walls of the second installation cavity 51, the third installation cavity 52 and the fourth installation cavity 53 are provided with first internal threads 54, the first probe needle seat to the third probe needle seat are detachably installed in the corresponding second installation cavity 51 to the fourth installation cavity 53, and the first external threads 21 are matched with the first internal threads 54.
The first probe needle seat to the third probe needle seat extend outwards in an integrated horizontal manner at the periphery of the side where the second limit step 23 is located to form an annular convex part 24, and the annular convex part 24 of the first probe needle seat to the third probe needle seat is limited on the lower end face of the fixing seat 50.
The probe needle holder further comprises two nuts 64, each nut 64 is provided with a fifth mounting cavity 641, a second internal thread 642 is arranged on the inner wall of the fifth mounting cavity 641, the two nuts 64 are respectively connected with the first probe needle holder and the second probe needle holder, and the first external thread is matched with the second internal thread 642. The outer peripheral wall of each nut 64 is provided with anti-slip ribs (not shown) to increase friction and facilitate the screwing of the nut 64 to the probe needle holder 20.
The assembly process (defining the vertical assembly direction) of the first dc wiring probe and the fixing base of the dc probe assembly of the present embodiment is generally described as follows:
1. placing the first probe needle seat in the second installation cavity 51 from the lower end opening of the second installation cavity 51, screwing and connecting and fixing the first probe needle seat and the fixed seat 50, extending the upper end of the first probe needle seat out of the fixed seat 50, limiting the annular convex part 24 of the first probe needle seat on the lower end surface of the fixed seat 50, and screwing and connecting and fixing the nut 64 and the first probe needle seat;
2. after the elastic part 30 is sleeved on the periphery of the first probe needle body, the first probe needle body sleeved with the elastic part 30 is arranged in the first mounting cavity 22 from the upper end opening, the riveting end 11 and the limiting groove 12 of the first probe needle body extend out of the probe needle seat 20, and the buckle 40 is adapted in the limiting groove 12;
3. a desired wire is riveted to the riveting end 11 of the first probe pin body, so that the assembly of the first dc connection probe 61 on the fixing base 50 is completed.
The utility model has the design key points that the design of the utility model is mainly that the large-current direct current probe is ingenious, can be used in the direct current conductive field, especially, through the annular contact end, the conductive end of the probe is in plane contact, the contact area when increasing the conductive contact, the contact performance and the stability when increasing the conductive contact of the probe needle body, and the current-carrying capacity is enhanced, meanwhile, through the design of the riveting end, the connection and the fixation between the follow-up and the wire are convenient, the assembly efficiency is high, moreover, the whole direct current probe component can be applied to various small household appliances, the assembly is convenient and the firmness is better;
and all parts are convenient and firm to assemble, and the stability and reliability of the electric connector product in the operation process are ensured.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (10)
1. A kind of great current direct current probe, characterized by: including probe needle body, probe needle file and elastic component, wherein:
the lower end of the probe needle body is provided with a riveting end and a limiting groove, a buckle is arranged aiming at the limiting groove, the upper end of the probe needle body is provided with a first limiting step, the upper end of the first limiting step integrally extends horizontally outwards to form an annular contact end, the elastic piece is sleeved on the periphery of the probe needle body, the probe needle seat is provided with a first installation cavity, the upper end and the lower end of the first installation cavity are open, and the inner wall of the lower end of the first installation cavity is provided with a second limiting step;
the probe needle body stretches out outside the probe needle file from the uncovered detachable first installation intracavity of packing into in upper end and the riveting end and the spacing groove of probe needle body, buckle adaptation in spacing inslot to make: the upper end and the lower end of the elastic part are respectively abutted to the first limiting step and the second limiting step, the probe needle body is displaced along the upper direction and the lower direction relative to the probe needle seat, and the probe needle seat is respectively abutted to the annular contact end and the buckle.
2. The high current dc probe of claim 1, wherein: the periphery of the probe needle base is provided with a first external thread.
3. The high current dc probe of claim 1, wherein: the probe needle seat integrally and horizontally extends outwards at the periphery of the side where the second limit step is located to form an annular convex part.
4. The high current dc probe of claim 1, wherein: the limiting groove is located between the riveting end and the first limiting step.
5. A dc probe assembly, comprising: the device comprises a fixed seat, a first direct current wiring probe, a second direct current wiring probe and a third direct current wiring probe, wherein the first direct current wiring probe is arranged on the fixed seat and used for connecting a live wire, the second direct current wiring probe is used for connecting a zero line, and the third direct current wiring probe is used for connecting a ground wire;
the high-current direct-current wiring probe comprises a first direct-current wiring probe body, a second direct-current wiring probe body, a fixing seat, a first elastic piece, a second direct-current wiring probe body, a third direct-current wiring probe body and a third direct-current wiring probe body, wherein the first direct-current wiring probe body, the second direct-current wiring probe body and the third direct-current wiring probe body are all the high-current direct-current wiring probe according to any one of claims 1 to 4;
the lower ends of the first probe pin body to the third probe pin body are respectively provided with a riveting end and a limiting groove, a buckle is arranged aiming at the limiting groove, the upper end of each probe pin body is provided with a first limiting step, the upper end part of each first limiting step integrally extends horizontally outwards to form an annular contact end, each elastic piece is sleeved on the periphery of the corresponding probe pin body, each probe pin seat is provided with a first installation cavity, the upper end and the lower end of each first installation cavity are open, and the inner wall of the lower end of each first installation cavity is provided with a second limiting step;
first probe needle file is uncovered from the lower extreme of second installation cavity and is installed in second installation cavity and first probe needle file exposes outside the fixing base, second probe needle file is uncovered from the lower extreme of third installation cavity and is installed in third installation cavity and second probe needle file exposes outside the fixing base, first probe needle body and second probe needle body stretch out outside corresponding probe needle file from the uncovered detachable corresponding first installation cavity of packing into in the upper end of corresponding probe needle file and riveting end and the spacing groove of corresponding probe needle body, buckle adaptation in spacing groove to make: the upper end and the lower end of the elastic part are respectively abutted against the first limiting step and the second limiting step, the first probe needle body and the second probe needle body are displaced along the up-down direction relative to the corresponding probe needle seat, and the probe needle seat is respectively abutted against the annular contact end and the buckle;
the third probe needle seat is arranged in the fourth mounting cavity from the lower end opening of the fourth mounting cavity, and the third probe needle seat is exposed out of the fixing seat.
6. The dc power probe assembly as recited in claim 5, wherein: first probe needle file to third probe needle file three's periphery is equipped with first external screw thread, the inner wall of second installation cavity, third installation cavity and fourth installation cavity all is equipped with first internal thread, corresponding second installation cavity to fourth installation cavity are packed into to first probe needle file to third probe needle file detachable, the first internal thread of first external screw thread adaptation.
7. The dc power probe assembly as recited in claim 5, wherein: the first probe needle seat to the third probe needle seat extend outwards in an integral horizontal mode at the periphery of the side where the second limit step is located to form an annular convex portion, and the annular convex portions of the first probe needle seat to the third probe needle seat are limited on the lower end face of the fixing seat.
8. The dc power probe assembly as recited in claim 6, wherein: the probe needle holder is characterized by further comprising two nuts, each nut is provided with a fifth installation cavity, a second internal thread is arranged on the inner wall of each fifth installation cavity, the two nuts are respectively connected with the first probe needle holder and the second probe needle holder, and the first external threads are matched with the second internal threads.
9. The dc power probe assembly as recited in claim 6, wherein: the periphery wall of each nut is convexly provided with an antiskid convex strip.
10. The dc power probe assembly as recited in claim 5, wherein: two fixing lug parts are arranged on the fixing seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921243173.0U CN210923780U (en) | 2019-08-02 | 2019-08-02 | Large-current direct current probe and direct current probe assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921243173.0U CN210923780U (en) | 2019-08-02 | 2019-08-02 | Large-current direct current probe and direct current probe assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210923780U true CN210923780U (en) | 2020-07-03 |
Family
ID=71345362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921243173.0U Active CN210923780U (en) | 2019-08-02 | 2019-08-02 | Large-current direct current probe and direct current probe assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210923780U (en) |
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2019
- 2019-08-02 CN CN201921243173.0U patent/CN210923780U/en active Active
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