CN209045845U - A kind of pawl spring formula contact-connection assembly for electric - Google Patents
A kind of pawl spring formula contact-connection assembly for electric Download PDFInfo
- Publication number
- CN209045845U CN209045845U CN201821971934.XU CN201821971934U CN209045845U CN 209045845 U CN209045845 U CN 209045845U CN 201821971934 U CN201821971934 U CN 201821971934U CN 209045845 U CN209045845 U CN 209045845U
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- China
- Prior art keywords
- pawl
- pawl spring
- ring portion
- segment
- claw
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Abstract
The utility model discloses a kind of pawl spring formula contact-connection assembly for electric, including contact pin and pawl spring connector, using inserted terminal as front end, the pawl spring connector includes ring portion and the claw after ring portion, the claw moves closer to the axis of the ring portion from front to back, the claw forms multiple pawl leaves around the axis arranged for interval of ring portion, it is provided on one or more of pawl leaves towards the annular protrusion in pawl, there is the annular groove engaged after being fully inserted into the pawl spring connector with the annular protrusion on the periphery of the contact pin.Pawl leaf and contact pin, which is arranged, in the pawl spring formula contact-connection assembly for electric has the structure of engaging, improves connective stability, is not easy that connection is caused to fall off because of vibration.
Description
Technical field:
The utility model relates to electric connector fields, and in particular to a kind of pawl spring formula contact-connection assembly for electric.
Background technique:
Pawl spring formula contact-connection assembly for electric, i.e. connector in jack are set as jack catchs type, and connector includes ring portion and claw, with
Contact pin contact play electrical connection, multiple pawl leaves of claw play certain grasp to contact pin, can improve to a certain degree contact pin with
Connective stability between jack.Claw can machine production, can also be made by metal plate mode, machining cost high efficiency
Low, metal plate mode producing efficiency height is at low cost, is adapted to produce in batches.However, pawl spring connector using repeatedly after, claw
Good grasp will be lost, so that connective stability reduces.
Utility model content:
For claw connector after using repeatedly, claw loses good grasp, and connective stability reduces, this is practical
It is novel to provide a kind of pawl spring formula contact-connection assembly for electric to solve the above problems.
The technical solution is a kind of pawl spring formula contact-connection assembly for electric, including contact pin and pawl spring connector, before being with inserted terminal
End, the pawl spring connector includes ring portion and the claw after ring portion, and the claw moves closer to the ring from front to back
The axis in portion, the claw form multiple pawl leaves around the axis arranged for interval of ring portion, are provided on one or more of pawl leaves
Towards the annular protrusion in pawl, on the periphery of the contact pin have after being fully inserted into the pawl spring connector with the convex annular
Play the annular groove of engaging.
Its technical principle is: due to being provided with claw after the ring portion of pawl spring connector, claw is moved closer to from front to back
The axis of the ring portion, claw form multiple pawl leaves around the axis arranged for interval of ring portion, after contact pin is inserted into pawl spring connector, pawl
Leaf has the function of promptly contact pin, therefore plays the role of certain raising connector contact stabilization, but repeatedly after plug,
Performance is declined.For this purpose, be arranged also on pawl leaf can be towards on the annular protrusion and contact pin periphery in pawl for this programme
Annular groove, after contact pin is inserted into pawl spring connector, which can slide into annular groove the knot for forming engaging
Structure, therefore better firm effect is played, in vibration or unexpected external force, contact pin is also not easy to connect from circlip
It is extracted in part.
Further, the claw include be connected to the first segment of the ring portion and after the first segment second
Section, the annular protrusion is between the first segment and the second segment.
Further, the angle received in the first segment is less than the angle received in the second segment.After contact pin insertion, card
Pawl will be squeezed by contact pin, and since the interior receipts angle of second segment is greater than first segment, after being fully inserted into, the end of second segment be will bear against
The inner wall of connector forms the elastic force of a resistance deformation, is more favorable for the fastness of engaging.
Further, the middle part of the pawl leaf is arranged in by front position in the annular protrusion.
Further, the head of the contact pin has chamfering.Pin head has chamfering, can play guide function, prevent
The circular protrusions of pawl leaf stop contact pin insertion.
Further, the pawl spring connector is sheet metal, forms C-shaped section by winding.
Further, the ring portion is made of strip material winding, the both ends spot welding connection of ring portion.
Further, there is the overlay segment being bonded to each other between the both ends of the ring portion, be located at the ring portion in overlay segment
One of inside is provided with step structure, so that the external surface of ring portion is held circular at.
The beneficial effect of the utility model is:
1, pawl spring formula contact-connection assembly for electric setting pawl leaf and contact pin have the structure of engaging, improve connective stability, no
Yi Yin vibration causes connection to fall off；
2, the pawl spring formula contact-connection assembly for electric snap-in structure can be made by way of sheet-metal formed, and technology difficulty is low, just
In batch making.
Detailed description of the invention:
Fig. 1 is the cross-sectional view of pawl spring connector；
Fig. 2 is the schematic cross-sectional view of pawl spring formula connector；
Fig. 3 is the partial enlarged view in Fig. 2 at A；
Fig. 4 is the schematic diagram of one embodiment of pawl spring connector；
Fig. 5 is schematic diagram of the pawl spring connector of embodiment illustrated in fig. 4 after being softened.
Marked in the figure: 1- pawl spring connector, 2- contact pin, 3, insulator, 11- ring portion, 12- claw, 120- annular protrusion,
130- first segment, 140- second segment, 20- annular groove.
Specific embodiment:
Embodiment one:
If Fig. 1~3 are a preferred embodiment, pawl spring formula contact-connection assembly for electric includes contact pin and pawl spring connector, to insert
Connecing end is front end, and the pawl spring connector includes ring portion 11 and the claw 12 after ring portion 11, the claw 12 Zi before to
The axis of the ring portion 11 is moved closer to afterwards, and the claw 12 forms multiple pawl leaves around the axis arranged for interval of ring portion 11, described
It is provided on one or more pawl leaves towards the annular protrusion 120 in pawl, is had on the periphery of the contact pin 2 being fully inserted into
State the annular groove 20 engaged after pawl spring connector 1 with the annular protrusion 120.It is as shown in Figure 1 the section view of pawl spring connector 1
Figure, Fig. 2 are the cross-sectional view that contact pin 2 is inserted into pawl spring connector 1, and pawl spring connector 1 includes ring portion 11 and claw 12, and contact pin 2 passes through
After ring portion 11 is inserted into, multiple pawl leaves grip contact pin 2.Pawl spring connector 1 is sheet metal, forms C-shaped section by winding,
The both ends of ring portion 11 can also connect to form circular section by spot welding.To improve connectivity robustness, set in pawl Ye Shangchao pawl
Annular protrusion 120 is set, the middle part of the pawl leaf is arranged in by front position in annular protrusion 120.The annular protrusion 120 can pass through metal plate
Golden punch die is formed.After contact pin 2 is inserted into pawl spring connector 1, which, which can slide into annular groove 20, is formed
The structure of engaging, therefore better firm effect is played, in vibration or unexpected external force, contact pin 2 is also not easy
It is extracted from circlip connector 1.
Embodiment two:
As shown in figure 4, in another embodiment, it is two sections that claw 12 can be divided to by annular protrusion 120, including is connected to institute
The first segment 130 and the second segment 140 after the first segment 130 for stating ring portion 11, the annular protrusion 120 are located at described
Between first segment 130 and the second segment 140.The angle A 1 wherein received in the first segment 130, which is greater than in the second segment, to be received
140 angle A 2, i.e. first segment 130 are big towards receipts degree in axle center, more suddenly.As shown in figure 5, when contact pin 2 is completely inserted into pawl spring
After connector 1, due to the annular groove 20 having on the periphery of contact pin 2 and annular protrusion 120 engages, the annular protrusion 120
It slides into annular groove 20, claw 12 is softened the inner wall for touching connector, since the interior receipts angle A 1 of first segment 130 is greater than the
Two section 140 of interior receipts A2, entire circlip connector 1 are placed on the inner cavity of an annular insulator 3, will be with after being softened
Two section 140 of end can form Elastic Contact with the inner wall of insulator 3 first, and inner wall is to the flexible power of second segment 140, so that pawl
The tightening force in portion 12 is bigger, the more difficult extraction of contact pin 2.
Preferably, the head of the contact pin 2 has chamfering.The head of contact pin 2 has chamfering, can play guide function, prevents
The annular protrusion 120 of claw stop leaf stops contact pin 2 to be inserted into.
Above-described specific embodiment, to the purpose of this utility model, technical scheme and beneficial effects carried out into
One step is described in detail, it should be understood that being not used to limit the foregoing is merely specific embodiment of the present utility model
Determine the protection scope of the utility model, within the spirit and principle of the utility model, any modification for being made equally is replaced
It changes, improve, should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of pawl spring formula contact-connection assembly for electric, including contact pin (2) and pawl spring connector (1), using inserted terminal as front end, the pawl spring
Connector (1) includes ring portion (11) and the claw (12) after ring portion (11), and the claw (12) is gradually leaned on from front to back
The axis of the nearly ring portion (11), which is characterized in that the claw (12) is formed around the axis arranged for interval of the ring portion (11)
Multiple pawl leaves, are provided with annular protrusion (120) inwardly on one or more of pawl leaves, on the periphery of the contact pin (2)
With in the annular groove (20) for being fully inserted into the pawl spring connector (1) and engaging afterwards with the annular protrusion (120).
2. a kind of pawl spring formula contact-connection assembly for electric according to claim 1, which is characterized in that the claw (12) includes connection
First segment (130) to the ring portion (11) and the second segment (140) after the first segment (130), the convex annular
(120) are played between the first segment (130) and the second segment (140)；In the longitudinal section of the pawl spring connector (1)
On, the close angle of the axis of first segment (130) towards the ring portion is greater than the second segment (140) towards the axis of the ring portion
The close angle of line.
3. a kind of pawl spring formula contact-connection assembly for electric according to claim 1, which is characterized in that the annular protrusion (120) sets
It sets at the middle part of the pawl leaf by front position.
4. a kind of pawl spring formula contact-connection assembly for electric according to claim 1, which is characterized in that the head of the contact pin (2) has
There is chamfering.
5. a kind of pawl spring formula contact-connection assembly for electric according to claim 1, which is characterized in that the pawl spring connector (1) is
Sheet metal forms C-shaped section by winding.
6. a kind of pawl spring formula contact-connection assembly for electric according to claim 1, which is characterized in that the ring portion (11) is by strip material
Winding is made, the both ends spot welding connection after ring portion (11) winding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821971934.XU CN209045845U (en) | 2018-11-28 | 2018-11-28 | A kind of pawl spring formula contact-connection assembly for electric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821971934.XU CN209045845U (en) | 2018-11-28 | 2018-11-28 | A kind of pawl spring formula contact-connection assembly for electric |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209045845U true CN209045845U (en) | 2019-06-28 |
Family
ID=67043672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821971934.XU Active CN209045845U (en) | 2018-11-28 | 2018-11-28 | A kind of pawl spring formula contact-connection assembly for electric |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209045845U (en) |
-
2018
- 2018-11-28 CN CN201821971934.XU patent/CN209045845U/en active Active
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