CN204497792U - Tiny charging spring pins - Google Patents
Tiny charging spring pins Download PDFInfo
- Publication number
- CN204497792U CN204497792U CN201520206368.3U CN201520206368U CN204497792U CN 204497792 U CN204497792 U CN 204497792U CN 201520206368 U CN201520206368 U CN 201520206368U CN 204497792 U CN204497792 U CN 204497792U
- Authority
- CN
- China
- Prior art keywords
- spring
- needle
- support division
- annular housing
- syringe needle
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a kind of tiny charging spring pins, comprises syringe needle, spring and needle tubing, and described needle tubing comprises annular housing, and spring is longitudinally contained in the annular housing of needle tubing, and spring one end holds in annular housing end, and the other end holds on syringe needle; Syringe needle comprises syringe needle head, support division and casting lug thereon, syringe needle head, support division and casting lug thereon are fixedly connected with, support division and spring interface touch, needle portion stretches out annular housing from support division one end, casting lug thereon extends to spring direction, casting lug thereon one side fits tightly with needle tubing wall, and another side and spring interface touch.Tiny charging spring pins of the present utility model is by arranging inclination support division and casting lug thereon in pillow part, ensure that the stability of electrical power contacts, simultaneously, casting lug thereon compressing needle interior wall, add the contact area between metal, thus effectively reduce resistance, syringe needle just can be made can to bear larger electric current.
Description
Technical field
The utility model relates to the technical field of battery charging, particularly relates to a kind of tiny charging spring pins.
Background technology
Existing cradle in use between long when, charging needle is easily out of shape or contacts instability, thus cause charging time electrical contact bad, affect the charge function of charger.
So, be " CN 203119512 U " at Chinese utility model patent Authorization Notice No., name is called in the patent document of " a kind of charging needle and cradle " and discloses a kind of charging needle, this charging needle comprises elastic component and contact pilotage, the first end of this contact pilotage is fixedly installed on elastic component, and the second end of contact pilotage moves reciprocatingly along the deformation direction of elastic component.Also proposed a kind of cradle, comprise the charging needle described in two, two charging needles are separately fixed on the housing of cradle.The elastic force effect of the utility model by producing after the elastic deformation of employing elastic component, make the second end of contact pilotage when being subject to external impact force and producing vibrations, contact pilotage and earphone keep good contact, improve the charge contact performance of cradle greatly; Elastic component to be circumnutated the helicoid formed by the first end of contact pilotage, and the integrative-structure adopting contact pilotage to combine with elastic component, not only saves space, simplify installation procedure, and structure more simply, reduces production cost.
But this utility model patent in use, still there will be syringe needle crooked, bears the problem that electric current is relatively little, the problem of electrical power contacts instability can not be solved well.
Utility model content
For the weak point existed in above-mentioned technology, the utility model provides a kind of syringe needle that makes oppress needle interior wall and impel contact stabilization, can bear the large tiny charging spring pins of electric current.
In order to achieve the above object, a kind of tiny charging spring pins of the utility model, comprises syringe needle, spring and needle tubing, described needle tubing comprises annular housing, described spring is longitudinally contained in the annular housing of needle tubing, and described spring one end holds in annular housing end, and the other end holds on syringe needle; Described syringe needle comprises syringe needle head, support division and casting lug thereon, described syringe needle head, support division and casting lug thereon are fixedly connected with, described support division and spring interface touch, described needle portion stretches out annular housing from support division one end, described casting lug thereon extends to spring direction, described casting lug thereon one side fits tightly with needle tubing wall, and another side and spring interface touch.
Wherein, the face that described casting lug thereon and needle tubing wall are fitted is the arc surface suitable with needle tubing wall, and the face that described casting lug thereon and spring interface touch is the horizontal ramps at incidentally inclination angle, and described casting lug thereon stretches out 1/3rd length that spring direction length is its length.
Wherein, the face that described support division is connected with syringe needle head is horizontal connecting surface, and the face that described support division and spring interface touch is inclined contact surface, and described support division diameter just in time equals the internal diameter of annular housing; Spring stretches, support division moves horizontally outward in annular housing, spring contraction, and support division level in annular housing moves inward.
Wherein, described syringe needle head comprises spherical round end and cylindrical needle post, and described cylindrical needle post one end is spherical round end, and the other end is support division, described cylindrical needle column diameter is less than support division diameter, and the cavity internal diameter at the syringe needle head outlet place of described annular housing equals cylindrical needle column diameter.
Wherein, described needle tubing also comprises makes spring be fixed on spring fixed bit in needle tubing, and described spring fixed bit is arranged on the end of annular housing, and described spring one end contacts with support division is removable, and the other end is immovable to be fixed in spring fixed bit.
The beneficial effects of the utility model are:
Compared with prior art, tiny charging spring pins of the present utility model is by arranging inclination support division and casting lug thereon in pillow part, spring is made to form lateral thrust to syringe needle, syringe needle is made to oppress needle interior wall, the telescopic direction of spring can be made like this to be restricted, thus syringe needle cephalad direction can not be influenced, ensure that the stability of electrical power contacts, simultaneously, casting lug thereon compressing needle interior wall, add the contact area between metal, thus effectively reduce resistance, syringe needle just can be made can to bear larger electric current.The utility model structure is simple, by simple architecture advances, greatly can improve the stability of electrical power contacts and increase the electric current bearing value of syringe needle.
Accompanying drawing explanation
Fig. 1 is the sectional view of the tiny charging spring pins of the utility model.
Main element symbol description is as follows:
10, syringe needle 11, spring
12, needle tubing 101, syringe needle head
102, support division 103, casting lug thereon.
Embodiment
In order to more clearly state the utility model, below in conjunction with accompanying drawing, the utility model is further described.
Consult Fig. 1, a kind of tiny charging spring 11 pin of the utility model, comprises syringe needle 10, spring 11 and needle tubing 12, described needle tubing 12 comprises annular housing, spring 11 is longitudinally contained in the annular housing of needle tubing 12, and spring 11 one end holds in annular housing end, and the other end holds on syringe needle 10; Syringe needle 10 comprises syringe needle head 101, support division 102 and casting lug thereon 103, syringe needle head 101, support division 102 and casting lug thereon 103 are fixedly connected with, support division 102 contacts with spring 11, syringe needle 10 part stretches out annular housing from support division 102 one end, casting lug thereon 103 extends to spring 11 direction, casting lug thereon 103 one side fits tightly with needle tubing 12 wall, and another side contacts with spring 11.
Compared to prior art, tiny charging spring 11 pin of the present utility model is by arranging inclination support division 102 and casting lug thereon 103 in pillow part, spring 11 pairs of syringe needles 10 are made to form lateral thrust, syringe needle 10 is made to oppress needle tubing 12 inwall, the telescopic direction of spring 11 can be made like this to be restricted, thus syringe needle head 101 direction can not be influenced, ensure that the stability of electrical power contacts, simultaneously, casting lug thereon 103 oppresses needle tubing 12 inwall, add the contact area between metal, thus effectively reduce resistance, syringe needle 10 just can be made can to bear larger electric current.The utility model structure is simple, by simple architecture advances, greatly can improve the stability of electrical power contacts and increase the electric current bearing value of syringe needle 10.
In the present embodiment, the face that casting lug thereon 103 and needle tubing 12 wall are fitted is the arc surface suitable with needle tubing 12 wall, the horizontal ramps of 3 ° that to be inclination angle be in the face that casting lug thereon 103 contacts with spring 11, casting lug thereon 103 stretches out 1/3rd length that spring 11 direction length is spring 11 length.The face that support division 102 is connected with syringe needle head 101 is horizontal connecting surface, and the face that support division 102 contacts with spring 11 is 75 ° of inclined contact surfaces, and support division 102 diameter just in time equals the internal diameter of annular housing; Spring 11 stretches, and support division 102 moves horizontally outward in annular housing, and spring 11 shrinks, and support division 102 level in annular housing moves inward.Support division 102 and casting lug thereon 103 and the contact-making surface of spring 11 are all set to inclined plane, and be so just conducive to the restriction of the telescopic direction of spring 11, spring 11 just can only move around in one direction.Certainly; the utility model is not limited to the restriction using the inclined plane of concrete how many degree to carry out spring 11 telescopic direction; as long as the angle that spring 11 telescopic direction can be made to be restricted is arranged, all belong to simple deformation and the conversion of this programme, protection range of the present utility model should be fallen into.
In the present embodiment, syringe needle head 101 comprises spherical round end and cylindrical needle post, cylindrical needle post one end is spherical round end, the other end is support division 102, cylindrical needle column diameter is less than support division 102 diameter, and the cavity internal diameter in syringe needle head 101 exit of annular housing equals cylindrical needle column diameter.Cylindrical needle column diameter is identical with the exit internal diameter of annular housing, so just further ensures globular pinhead 10 and can not tilt in spring 11 telescopic process.Certainly; by narrow internal diameter needle tubing 12 length lengthening exit, the utility model can also ensure that syringe needle 10 can not tilt; as long as can realize syringe needle 10 can not the structure of tilting action, all belong to simple deformation and the conversion of this programme, protection range of the present utility model should be fallen into.
In the present embodiment, needle tubing 12 also comprises makes spring 11 be fixed on spring 11 fixed bit in needle tubing 12, spring 11 fixed bit is arranged on the end of annular housing, and spring 11 one end contacts with support division 102 is removable, and the other end is immovable to be fixed in spring 11 fixed bit.By the setting of spring 11 fixed bit, just can ensure spring 11 spring 11 being fixedly connected with in needle tubing 12, so just make the flexible more stable of spring 11.Certainly; the utility model is not limited to the setting of spring 11 fixed bit; directly spring 11 can also be bonded in annular housing end; as long as spring 11 can be made to be fixed on mode in annular housing; all belong to simple deformation and the conversion of this programme, protection range of the present utility model should be fallen into.
Advantage of the present utility model is:
1, the utility model structure is simple, by simple architecture advances, greatly can improve the stability of electrical power contacts and increase the electric current bearing value of syringe needle 10.
2, cylindrical needle column diameter is identical with the exit internal diameter of annular housing, so just further ensures globular pinhead 10 and can not tilt in spring 11 telescopic process.
3, by the setting of spring 11 fixed bit, just can ensure spring 11 spring 11 being fixedly connected with in needle tubing 12, so just make the flexible more stable of spring 11.
Be only several specific embodiment of the present utility model above, but the utility model is not limited thereto, the changes that any person skilled in the art can think of all should fall into protection range of the present utility model.
Claims (5)
1. a tiny charging spring pins, is characterized in that, comprises syringe needle, spring and needle tubing, described needle tubing comprises annular housing, described spring is longitudinally contained in the annular housing of needle tubing, and described spring one end holds in annular housing end, and the other end holds on syringe needle; Described syringe needle comprises syringe needle head, support division and casting lug thereon, described syringe needle head, support division and casting lug thereon are fixedly connected with, described support division and spring interface touch, described needle portion stretches out annular housing from support division one end, described casting lug thereon extends to spring direction, described casting lug thereon one side fits tightly with needle tubing wall, and another side and spring interface touch.
2. tiny charging spring pins according to claim 1, it is characterized in that, the face that described casting lug thereon and needle tubing wall are fitted is the arc surface suitable with needle tubing wall, the face that described casting lug thereon and spring interface touch is the horizontal ramps at incidentally inclination angle, and described casting lug thereon stretches out 1/3rd length that spring direction length is its length.
3. tiny charging spring pins according to claim 1, it is characterized in that, the face that described support division is connected with syringe needle head is horizontal connecting surface, and the face that described support division and spring interface touch is inclined contact surface, and described support division diameter just in time equals the internal diameter of annular housing; Spring stretches, support division moves horizontally outward in annular housing, spring contraction, and support division level in annular housing moves inward.
4. tiny charging spring pins according to claim 1, it is characterized in that, described syringe needle head comprises spherical round end and cylindrical needle post, described cylindrical needle post one end is spherical round end, the other end is support division, described cylindrical needle column diameter is less than support division diameter, and the cavity internal diameter at the syringe needle head outlet place of described annular housing equals cylindrical needle column diameter.
5. tiny charging spring pins according to claim 1, it is characterized in that, described needle tubing also comprises makes spring be fixed on spring fixed bit in needle tubing, described spring fixed bit is arranged on the end of annular housing, described spring one end contacts with support division is removable, and the other end is immovable to be fixed in spring fixed bit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520206368.3U CN204497792U (en) | 2015-04-08 | 2015-04-08 | Tiny charging spring pins |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520206368.3U CN204497792U (en) | 2015-04-08 | 2015-04-08 | Tiny charging spring pins |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204497792U true CN204497792U (en) | 2015-07-22 |
Family
ID=53577078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520206368.3U Expired - Fee Related CN204497792U (en) | 2015-04-08 | 2015-04-08 | Tiny charging spring pins |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204497792U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105261858A (en) * | 2015-11-03 | 2016-01-20 | 莱克电气股份有限公司 | Charging seat with conductive needle |
| CN107147165A (en) * | 2017-05-22 | 2017-09-08 | 成都锐奕信息技术有限公司 | A kind of wireless positioning terminal charger effectively contacted |
| CN111403941A (en) * | 2020-03-27 | 2020-07-10 | 惠州Tcl移动通信有限公司 | Pogo pin connector, electronic device connecting structure, and electronic apparatus |
-
2015
- 2015-04-08 CN CN201520206368.3U patent/CN204497792U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105261858A (en) * | 2015-11-03 | 2016-01-20 | 莱克电气股份有限公司 | Charging seat with conductive needle |
| CN107147165A (en) * | 2017-05-22 | 2017-09-08 | 成都锐奕信息技术有限公司 | A kind of wireless positioning terminal charger effectively contacted |
| CN111403941A (en) * | 2020-03-27 | 2020-07-10 | 惠州Tcl移动通信有限公司 | Pogo pin connector, electronic device connecting structure, and electronic apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150722 Termination date: 20200408 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |