CN207217845U - A kind of domatic thimble structure - Google Patents
A kind of domatic thimble structure Download PDFInfo
- Publication number
- CN207217845U CN207217845U CN201720950084.4U CN201720950084U CN207217845U CN 207217845 U CN207217845 U CN 207217845U CN 201720950084 U CN201720950084 U CN 201720950084U CN 207217845 U CN207217845 U CN 207217845U
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- spring
- needle
- syringe needle
- domatic
- fixed
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Abstract
The utility model discloses a kind of domatic thimble structure, including flexible syringe needle, spring and fixed needle cannula, the lower surface of the flexible syringe needle is arranged to slope, one end of the flexible syringe needle contacts through fixed needle cannula with the contact face of spring, and the spring is arranged on the inside of fixed needle cannula.The domatic thimble structure, during use, during retractable needle is compressed, contact inclined-plane (slope) meeting nature of the syringe needle with spring in fixed needle cannula is adjacent to needle tubing set slightly to be close to, because syringe needle and fixed pin shell material are typically that brass electroplating is golden (resistive impedance is small), spring is qin steel wire or stainless steel wire (resistive impedance is big)；Meanwhile because inclined-plane (slope) syringe needle and the accurate abutting contact of needle cannula can significantly reduce more like an entirety, whole support top needle spring pin POGO PIN resistive impedance, greatly improve power and efficiency.
Description
Technical field
The utility model belongs to spring needle POGO PIN technical fields, and in particular to a kind of domatic thimble structure.
Background technology
Conventional springs pin POGO PIN as high current when transmitting, because the limited spring line footpath limited size system of elastic force,
When continuing through high current for a long time, electric current is directly or major part is directly transferred to needle tubing to form the biography of electric current by spring
Defeated, electric current is easy to the spring that fuses when being more than 3A, cause common thimble-spring needle POGO PIN can not stretch lost its bounce and
It is unable to normal use and loses original use function.
Utility model content
The purpose of this utility model is to provide a kind of domatic thimble structure, asked with solve to propose in above-mentioned background technology
Topic.
To achieve the above object, the utility model provides following technical scheme：A kind of domatic thimble structure, including flexible pin
Head, spring and fixed needle cannula, the lower surface of the flexible syringe needle are arranged to slope, one end of the flexible syringe needle through
Fixed needle cannula contacts with the contact face of spring, and the spring is arranged on the inside of fixed needle cannula.
Preferably, the gradient of the slope is 0.2-0.4.
Preferably, the contact face of the spring contacts with the slope of flexible syringe needle.
Preferably, insulation either ceramic bead or steel ball are placed among the flexible syringe needle and spring contact surface.
Preferably, the spring and the contact surface of fixed needle cannula place insulation either ceramic bead or steel ball.
Preferably, one end of the flexible syringe needle be provided be used to preventing flexible syringe needle come off matched with fixation needle cannula it is convex
Side.
Technique effect of the present utility model and advantage：The domatic thimble structure, in use, in compression retractable needle process
In, contact inclined-plane (slope) meeting nature of the syringe needle with spring in fixed needle cannula is adjacent to needle tubing set slightly to be close to, because
Syringe needle and fixed pin shell material are typically that brass electroplating is golden (resistive impedance is small), and spring is qin steel wire or stainless steel wire (electricity
It is big to hinder impedance)；When thimble-spring needle POGO PIN are being used as electric current transmission conducting function, especially high-power electric current transmission
When electric current more from the small syringe needle of resistive impedance and needle tubing set directly transmission turn on, so as to avoid spring from being burnt out by high current
It is disconnected；Meanwhile because inclined-plane (slope) syringe needle and the accurate abutting contact of needle cannula more like an entirety, whole Zhi Dingzhen-spring
Pin POGO PIN resistive impedance can significantly reduce, and greatly improve power and efficiency.
Brief description of the drawings
Fig. 1 is the structural representation of first embodiment.
Fig. 2 is the exploded view of first embodiment.
Fig. 3 is the structural representation of second embodiment.
Fig. 4 is the exploded view of second embodiment.
In figure：Needle cannula, 4 slopes are fixed in 1 flexible syringe needle, 2 springs, 3.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
First embodiment
Present embodiments provide a kind of domatic thimble structure as shown in Figure 1-2, including flexible syringe needle 1, spring 2 and fixation
Needle cannula 3, the lower surface of the flexible syringe needle 1 are arranged to slope 4, and the gradient of the slope 4 is 0.2-0.4；It is described
The contact face of spring 2 contacts with the slope of flexible syringe needle 1；One end of the flexible syringe needle 1 through fixed needle cannula 3 with
The contact face contact of spring 2, the spring 2 are arranged on the inside of fixed needle cannula 3, and one end of the flexible syringe needle 1 is provided with
The chimb matched for preventing flexible syringe needle 1 from coming off with fixed needle cannula 3.
Second embodiment
A kind of domatic thimble structure as shown in Figure 3-4 is present embodiments provided, with the difference of embodiment one, this implementation
The bottom of the fixation needle cannula 3 of example is provided with fixed column.
Further, insulation either ceramic bead or steel ball are placed among flexible syringe needle 1 and spring 2 contact surface；Institute
The contact surface for stating spring 2 and fixed needle cannula 3 places insulation either ceramic bead or steel ball.
Structural principle：Thimble-spring needle POGO PIN needles head and the contact face of spring 2 make inclined-plane into by special processing and set
Meter processing, after being completed, when compressing flexible syringe needle 1, the flexible movement locus of syringe needle 1 can be tilted towards needle tubing tube wall and be adjacent to cunning
It is dynamic；When turn-on current, when especially through high current, because spring impedance is much larger than the flexible syringe needle 1 of high conduction property
With fixed needle cannula 3, most high-power electric currents do not flow through the big spring 2 of impedance, so as to not change thimble-spring needle
The situation for avoiding spring 2 to be fused by high current on the premise of POGO PIN function surface structures, and thimble-spring needle is substantially improved
POGO PIN compressible and normal service life.
The utility model only changes one end (and contact face of spring 2) profile of the flexible syringe needle 1 of one of part, because
Syringe needle is that pole automatic lathe turning forms, and usual end face machining shape is plane and taper, by 2 processing by syringe needle and
The contact surface of spring 2 is processed into the inclined-plane (slope) of certain ratio angle.
Finally it should be noted that：Preferred embodiment of the present utility model is the foregoing is only, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it can still modify to the technical scheme described in foregoing embodiments, or to which part technical characteristic
Progress equivalent substitution, all within the spirit and principles of the utility model, any modification, equivalent substitution and improvements made etc.,
It should be included within the scope of protection of the utility model.
Claims (6)
1. a kind of domatic thimble structure, including flexible syringe needle (1), spring (2) and fixed needle cannula (3), it is characterised in that：It is described
The lower surface of flexible syringe needle (1) is arranged to slope (4), one end of the flexible syringe needle (1) through fixed needle cannula (3) with
The contact face contact of spring (2), the spring (2) are arranged on the inside of fixed needle cannula (3).
A kind of 2. domatic thimble structure according to claim 1, it is characterised in that：The gradient of the slope (4) is
0.2—0.4。
A kind of 3. domatic thimble structure according to claim 1, it is characterised in that：The contact face of the spring (2) with
The slope contact of flexible syringe needle (1).
A kind of 4. domatic thimble structure according to claim 1, it is characterised in that：One end of the flexible syringe needle (1) is set
There is the chimb matched for preventing flexible syringe needle (1) from coming off with fixed needle cannula (3).
A kind of 5. domatic thimble structure according to claim 1, it is characterised in that：The flexible syringe needle (1) and spring (2)
Insulation either ceramic bead or steel ball are placed among contact surface.
A kind of 6. domatic thimble structure according to claim 1, it is characterised in that：The spring (2) and fixed needle cannula
(3) contact surface places insulation either ceramic bead or steel ball.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720950084.4U CN207217845U (en) | 2017-08-01 | 2017-08-01 | A kind of domatic thimble structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720950084.4U CN207217845U (en) | 2017-08-01 | 2017-08-01 | A kind of domatic thimble structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207217845U true CN207217845U (en) | 2018-04-10 |
Family
ID=61815037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720950084.4U Active CN207217845U (en) | 2017-08-01 | 2017-08-01 | A kind of domatic thimble structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207217845U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109159194A (en) * | 2018-09-27 | 2019-01-08 | 保定市至正模具制造有限公司 | A kind of useless auxiliary device of all clear for die-cutting machine |
| CN118017266A (en) * | 2024-04-09 | 2024-05-10 | 荣耀终端有限公司 | Spring needle, electronic equipment and charging equipment |
-
2017
- 2017-08-01 CN CN201720950084.4U patent/CN207217845U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109159194A (en) * | 2018-09-27 | 2019-01-08 | 保定市至正模具制造有限公司 | A kind of useless auxiliary device of all clear for die-cutting machine |
| CN118017266A (en) * | 2024-04-09 | 2024-05-10 | 荣耀终端有限公司 | Spring needle, electronic equipment and charging equipment |
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