CN110444946A - Therminal retainer and terminal keep system - Google Patents
Therminal retainer and terminal keep system Download PDFInfo
- Publication number
- CN110444946A CN110444946A CN201810644242.2A CN201810644242A CN110444946A CN 110444946 A CN110444946 A CN 110444946A CN 201810644242 A CN201810644242 A CN 201810644242A CN 110444946 A CN110444946 A CN 110444946A
- Authority
- CN
- China
- Prior art keywords
- cantilever
- terminal
- therminal retainer
- base portion
- claw portion
- 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.)
- Pending
Links
- 210000000078 claw Anatomy 0.000 claims abstract description 57
- 238000003780 insertion Methods 0.000 claims abstract description 13
- 230000037431 insertion Effects 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000003365 glass fiber Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/26—Connectors or connections adapted for particular applications for vehicles
Landscapes
- Motor Or Generator Frames (AREA)
Abstract
The present invention provides a kind of therminal retainer, and therminal retainer includes: to be equipped with insertion hole base portion；And at least one claw portion, claw portion are arranged on base portion and including multiple cantilevers, these cantilevers can open and close up, wherein the first end of cantilever is connected to base portion；Cantilever has the auxiliary section suitable for secure fit terminal on the position being separated by a distance with first end.Using therminal retainer according to the present invention, terminal mounting process is simple, and number of terminals is without architectural limitation.
Description
Technical field
The present invention relates to the technical fields of electrical connection, it is more particularly related to a kind of for keeping electrically holding
The retainer of son.
Background technique
In existing electrical connection art, such as in the motor vehicle, it is often necessary to which electric terminal is maintained at setting position
It sets.The therminal retainer of various structures has been developed to realize the fixation and holding of terminal.
A kind of therminal retainer 1 in the prior art shown in fig. 1.The therminal retainer 1 is threading type therminal retainer
1.Therminal retainer 1 has main body 2 and matched housing (not shown).Main body 2 is equipped with multiple for across the hollow of terminal
Cylinder 3.When in use, electric terminal (not shown) passes through hollow cylinder 3, and subsequent main body 2 is matched with housing together, by tight
The fastening of firmware is clamped in electric terminal between main body 2 and housing.
Using this threading type therminal retainer, terminal need to could be fixed to retainer by multiple steps by operator
In, therefore, assembly technology is complicated, high production cost, and suitable for application in the production line of automation.
Fig. 2 shows another therminal retainers 4 in the prior art.The therminal retainer 4 is the holding of side-mounted terminal
Device 4.As shown in Fig. 2, multiple grooves 6 extended from side to centre are formed in the main body 5 of the side-mounted therminal retainer 4, and
A part of the central part of the close main body 5 of groove 6 narrows.When in use, operator by electric terminal from groove 6 in master
The opening of the side of body 5 is inserted into, until it enters the narrowed portion of groove 6, so that terminal is engaged in groove 6, thus
Realize that terminal is fixed.
Compared to therminal retainer shown in fig. 1, therminal retainer mounting process shown in Fig. 2 is simpler.But due to
It is limited by structure, the limited amount for the groove 6 that can be arranged in main body 5, generally can not be more than 7, otherwise will generate side
The problem of side fluting insufficient space, assembly difficulty.
Therefore, existing therminal retainer still needs to improve, to overcome drawbacks described above.
Summary of the invention
In order to overcome the deficiencies of the prior art, the present invention provides a kind of therminal retainer, which includes: to be equipped with
It is inserted into the base portion in hole,；And at least one claw portion, claw portion are arranged on base portion and including multiple cantilevers, these cantilevers
It can open and close up, wherein the first end of cantilever is connected to base portion；Cantilever has on the position being separated by a distance with first end
There is the auxiliary section suitable for secure fit terminal.
According to another aspect of the present invention, between adjacent cantilever between be separated with slit.
According to a further aspect of the invention, each claw portion includes 2-8 cantilever.
According to a further aspect of the invention, base portion includes flat part, and each cantilever is approximately perpendicular to base portion and extends into.
According to a further aspect of the invention, multiple cantilevers in claw portion have arm and what is extended inwardly from arm match
Conjunction portion, the cantilever are surrounded by the inner cavity of hollow cylindrical, and the auxiliary section of multiple cantilevers, which surrounds, forms the hole that can intert terminal
Portion.
According to a further aspect of the invention, the auxiliary section of cantilever includes being formed on inner surface of the cantilever-face to hole portion
Engaging protuberances.
According to a further aspect of the invention, base portion and claw portion are integrally formed.
According to a further aspect of the invention, therminal retainer is made of the resin material that glass fibre is reinforced.
In addition, the present invention also provides a kind of terminals to keep system, comprising: therminal retainer, therminal retainer include: to set
There is the base portion in insertion hole；And multiple claw portions, claw portion include multiple cantilevers, cantilever can open and close up, wherein cantilever
First end be connected to base portion and prolong；The second end of cantilever has auxiliary section, multiple terminals, and terminal is inserted into a claw portion and by card
Claw is fixed.
Terminal includes flange groove according to another aspect of the present invention, and auxiliary section is engaged in the flange groove of terminal, terminal
At least part be accommodated in the inner cavity that cantilever is surrounded by.
Using therminal retainer according to the present invention, terminal mounting process is simple, and number of terminals is without architectural limitation.
Detailed description of the invention
By referring to described in detail below, subject of the present invention and its various advantages can be more fully understood, wherein reference
Attached drawing:
Fig. 1 shows the schematic diagram of threading type therminal retainer in the prior art.
Fig. 2 shows the schematic diagrames of insertion terminal retainer in side in the prior art.
Fig. 3 is the perspective view according to the therminal retainer of presently preferred embodiments of the present invention.
Fig. 4 is the partial sectional view according to the claw portion of the therminal retainer of presently preferred embodiments of the present invention.
Fig. 5 be the therminal retainer for fitting the terminal into preferred embodiment according to the present invention before perspective view.
Fig. 6 be the therminal retainer for fitting the terminal into preferred embodiment according to the present invention before perspective view.
Fig. 7 A, Fig. 7 B and Fig. 7 C be show the claw portion of the therminal retainer in preferred embodiment according to the present invention with
Terminal cooperates the partial sectional view of three phases, and before wherein Fig. 7 A shows terminal insertion claw portion, Fig. 7 B shows terminal
Claw portion cantilever cooperation intermediate state, Fig. 7 C shows the fully assembled state that terminal is inserted into claw portion.
Reference signs list
1 threading type therminal retainer
2 main bodys
3 cylindrical portions
4 side-mounted therminal retainers
5 main bodys
6 grooves
10 therminal retainers
11 base portions
12 insertion holes
21 first claw portions
22 second claw portions
23,23 ' cantilevers
25 auxiliary sections
26 hole portions
27 engaging protuberances
28 stage portions
29 walls
30,30 ' terminals
31 flange grooves
32 flanges or flange
Specific embodiment
The invention will be further described with attached drawing combined with specific embodiments below, elaborates in the following description more
Details to facilitate a thorough understanding of the present invention, still the present invention obviously can be come with a variety of other ways different from this description it is real
It applies, those skilled in the art can make similar popularization according to practical situations without violating the connotation of the present invention, drill
It unravels silk, therefore should not be limited the scope of the invention with the content of this specific embodiment.
Fig. 3 shows the therminal retainer 10 of preferred embodiment according to the present invention.The therminal retainer 10 is applicable in will be electric
Gas connection terminal 30 and 30 ' remains fixed in various appliance arrangements, as being fixed in motor vehicles, to realize 30 He of terminal
30 ' position is fixed.
Specifically, the therminal retainer 10 includes base portion 11 and multiple claw portions 21,22.Seven cards are shown in Fig. 3
Claw 21,22, but the quantity in claw portion 21,22 is not limited to this diagram preferred embodiment, but can match according to actual needs
If quantity appropriate, only one claw portion is also feasible.
Each claw portion 21,22 is made of the multiple cantilevers 23 extended from base portion 11.These cantilevers 23 are that have flexibility
, it can be bent outward under the action of centainly measuring one's own ability.The quantity for the cantilever 23 that each claw portion 21,22 has can be different.
As shown in figure 3, there are six cantilevers 23 for the first claw portion 21 tool, and the second claw portion 22 has 2 cantilevers 23.But claw portion 21,
22 23 quantity of cantilever that have are without being limited thereto, also can be set as other quantity, and such as 3,4 or 5, but the quantity of cantilever 23
It is typically not greater than 8, insufficient to avoid single 23 intensity of cantilever.
In the preferred embodiment, the first claw portion 21 with 6 cantilevers 23 is applicable in the terminal 30 that assembly diameter is 6mm,
And for the terminal 30 ' of small diameter, the 23 ' quantity of cantilever in claw portion can be reduced suitably, such as the end for the assembly diameter of 3mm
Son 30 ' can be kept by the second claw portion 22 with 2 cantilevers 23, wherein the substantially semicircular cylinder of each cantilever 23 '
Shape.
In each claw portion 21,22, the first end of cantilever 23,23 ' may be coupled to base portion 11, and base portion 11 is corresponding
Position setting insertion hole 12, cantilever 23,23 ' are arranged on base portion 11 around insertion hole 12.Preferably, cantilever 23 is substantially along base portion
The edge-perpendicular in the insertion hole 12 on 11 is extended in the plane of base portion 11.As shown in Fig. 3 and Fig. 4, multiple cantilevers 23 are surrounded
Form hollow cylindrical.Preferably, each cantilever 23 be between two identical and adjacent cantilevers 23 with slit, compared with
It equally spaced separates goodly.
As shown in the sectional view of Fig. 4, the vertical section of single cantilever 23,23 ' is substantially L-shaped, i.e., with elongated arm and
Be approximately perpendicular to the auxiliary section 25 that arm extends, cantilever 23,23 ' is surrounded by the inner cavity of hollow cylindrical, with accommodate terminal 30,
30 ' a part.The length of arm is preferably 2-3 times of the internal diameter of hollow cylinder shape.Auxiliary section 25 be formed in cantilever 23,
On the 23 ' position being separated by a distance with first end, preferably, auxiliary section 25 is formed in the second end of cantilever 23,23 '.Cooperation
Portion 25 has the shape for being suitable for such as mating structure of flange groove 31 etc on secure fit electric terminal 30.Implement in diagram
In, in the same claw portion, the auxiliary section 25 of multiple cantilevers 23 is around the hole portion 26 for being inserted through terminal 30 is formed, due to cantilever
23 is L-shaped, therefore the hole portion 26 that auxiliary section 25 is formed is smaller than the insertion hole 12 on base portion.
The auxiliary section 25 of cantilever 23,23 ' has the engaging protuberances 27 of the inner surface in face of hole portion 26, the engaging protuberances 27
Extend towards 26 center of hole portion at the second end of cantilever 23,23 '.When electric terminal 30 is inserted into claw portion, the engaging
Protrusion 27 will can engage matching with flange groove 31 is arranged on the periphery of terminal 30, as seen in figure 7 c.
In addition, as shown in figure 4, preferably, adjacent engaging protuberances 27 are additionally provided with a stage portion 28 on the inside of cantilever 23.Such as figure
Flange or flange 32 shown in 7C, after terminal 30 is completely installed in claw portion 21,22, in stage portion 28 and 30 head of terminal
Cooperation.Preferably, stage portion 28 extends out surface towards a part of surface of first end towards the first end formation at base portion 12, so as to
It is inserted into terminal 30,30 '.
In addition, therminal retainer 10 can also further comprise the housing (not shown) engaged with base portion 11.Housing and base portion
11 or wall 29 by fit structure engage, form cavity therebetween, the first and second claw portions 21 and 22 are received in the cavities.
It is to be understood that housing does not apply retentivity to terminal 30, in certain embodiments, housing also can be omitted or be incorporated into
On the electric device matched.
According to preferred embodiment, base portion 11 and multiple claw portions 21 and 22 are for example integrally formed by moulding.Such as it can be with
Using the nylon material reinforced by glass, glass fiber content can be between 20%-30%.Above-mentioned material is used, if connection is conventional
3-6mm assembly diameter terminal 30,30 ', the thickness of the elongate arm of the cantilever 23,23 ' in claw portion 21 and 22 may be provided at
Between 1.5-2mm.In this way, claw portion 21 and 22 can have enough flexible and intensity to maintain terminal in vibration environment
30、30’。
Such as Fig. 4, it can be seen that, cantilever 23 is tapered in the outer surface for the end for forming auxiliary section 25.In this way, adjacent
Be spaced between the outer surface of the auxiliary section 25 in claw portion it is larger, thus be conducive to cantilever 23 during installation outward flexure.
In addition, as shown in figure 5, in the preferred embodiment, therminal retainer 10 further includes wall 29, these are enclosed
The development length of wall 29 is substantially almost the same with the length in claw portion 21 and 22, and wall 29 can play protection card claw 21 and 22
Effect.
Fig. 7 A to Fig. 7 C shows the schematic cross-section that terminal 30 is installed to the different phase into the first claw portion 21.Terminal
30 are equipped with flange groove 31 in the middle position on its head.It, can be by terminal 30 since its head is smaller for male terminal 30
Head is directly inserted into from the insertion hole on base portion, and the hole portion 26 towards claw portion is mobile.It can be seen that the hole portion that cantilever 23 surrounds
26 are less than the periphery on head, but are less than or match substantially the flange groove 31 on head.It is touched when 30 head of terminal moves down
The auxiliary section 25 of each cantilever 23 in claw portion, the power that terminal 30 vertically moves can be applied on cantilever 23, so that generating makes respectively
Cantilever 23 laterally outward pivots, and expands hole portion 26, and terminal 30 can continue to move down until as seen in figure 7 c, flange groove
31 reach 23 auxiliary section of cantilever, 25 position, and cantilever 23 is inwardly sprung back, and the engaging protuberances 27 on the auxiliary section 25 of cantilever 23 are caught in method
In blue slot 31, stage portion 28 is engaged with the flange 32 on terminal, to reach hold mode shown in Fig. 7 C.27 He of engaging protuberances
Flange groove 31 has matched radial width size.Retentivity of the cantilever 23 on terminal 30 should be enough to maintain end in use
Son 30 is with vibration proof, such as needs to meet the relevant regulations in GBT20234.
As seen in figure 7 c, at least part of terminal 30 is accommodated in is surrounded in the chamber formed by cantilever 23, thus
Protection terminal is partially damaged to avoid this.
If female terminal is inserted, since the head of female terminal is typically larger than the head of male terminal 30, can be with
With the use of flaring tooling.Before being inserted female terminal, cantilever 23 is expanded outwardly out with flaring tooling, then again will
The head of female terminal is inserted into the hole portion that cantilever 23 surrounds, and can remove flaring tooling at this time, and then terminal is pushed ahead again, directly
Flange groove 31 on connecting terminal head reaches the position of the auxiliary section 25 on cantilever 23, realizes cooperation.
The first and second claw portions 21,22 in therminal retainer 10 according to the present invention can be with array arrangement in base portion 11
On, as long as the distance between adjacent claw portion can ensure that cantilever 23 expands outwardly during mounting terminal 30, because
This, can keep the terminal 30 of more number on a lesser base portion.
Therminal retainer 10 according to the present invention simplifies the assembly technology of fixing terminal 30,30 ', without fastener
The insertion of terminal 30 this step of claw portion only need to simply can be realized to the fixation of terminal 30.Therefore, terminal of the invention
Production line of the retainer 10 particularly suitable for automation or semi-automation, and technology stability is excellent.
In addition, the base portion 11 of therminal retainer 10 and claw portion 12 are integrally formed, and therefore, the system of therminal retainer 10 itself
Make simple process.
Therminal retainer 10 preferably using being made of the nylon material that glass fiber material is reinforced, it is hereby ensured that cantilever 23,
23 ' flexibility and the retentivity of opposing terminal 30,30 '.
Although the present invention is disclosed as above with preferred embodiment, it is not for limiting the present invention, any this field skill
Art personnel without departing from the spirit and scope of the present invention, can make possible variation and modification.Therefore, it is all without departing from
The content of technical solution of the present invention, according to the technical essence of the invention any modification to the above embodiments, equivalent variations
And modification, it each falls within the protection scope that the claims in the present invention are defined.
Claims (10)
1. a kind of therminal retainer, the therminal retainer include:
Base portion (11), the base portion are equipped with insertion hole；And
At least one claw portion (21,22), claw portion setting on the base portion and including multiple cantilevers (23,23 '),
The cantilever can open and close up,
Wherein, the first end of the cantilever is connected to the base portion；The cantilever is in the position being separated by a distance with the first end
It sets with the auxiliary section suitable for secure fit terminal.
2. therminal retainer as described in claim 1, which is characterized in that be separated with slit between adjacent cantilever.
3. therminal retainer as described in claim 1, which is characterized in that each described claw portion includes 2-8 cantilever.
4. therminal retainer as described in claim 1, which is characterized in that the base portion includes flat part, and each cantilever is substantially
It is extended into perpendicular to the base portion.
5. therminal retainer as described in claim 1, which is characterized in that the multiple cantilever in a claw portion has
Arm and the auxiliary section extended inwardly from arm (25), the cantilever is surrounded by the inner cavity of hollow cylindrical, the multiple outstanding
The auxiliary section of arm surrounds and forms the hole portion (26) that can intert terminal.
6. therminal retainer as claimed in claim 5, which is characterized in that the auxiliary section of the cantilever is included in described outstanding
The engaging protuberances (27) of arm formed on the inner surface of the hole portion.
7. therminal retainer as described in claim 1, which is characterized in that the base portion and the claw portion are integrally formed.
8. therminal retainer as claimed in claim 1 or 7, which is characterized in that the Buddhist nun that the therminal retainer is reinforced by fiber
Imperial material is constituted.
9. a kind of terminal keeps system, comprising:
Therminal retainer, the therminal retainer include:
Base portion equipped with insertion hole；And
Multiple claw portions, the claw portion include multiple cantilevers, and the cantilever can open and close up,
Wherein, the first end of the cantilever is connected to the base portion and prolongs；The second end of the cantilever has auxiliary section,
Multiple terminals, the terminal are inserted into a claw portion and are fixed by the claw portion.
10. terminal as claimed in claim 9 keeps system, which is characterized in that the terminal includes flange groove, the auxiliary section
It is engaged in the flange groove of the terminal,
At least part of the terminal is accommodated in the inner cavity that cantilever is surrounded by.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810644242.2A CN110444946A (en) | 2018-06-21 | 2018-06-21 | Therminal retainer and terminal keep system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810644242.2A CN110444946A (en) | 2018-06-21 | 2018-06-21 | Therminal retainer and terminal keep system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110444946A true CN110444946A (en) | 2019-11-12 |
Family
ID=68427563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810644242.2A Pending CN110444946A (en) | 2018-06-21 | 2018-06-21 | Therminal retainer and terminal keep system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110444946A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102801021A (en) * | 2012-08-14 | 2012-11-28 | 上海航天科工电器研究院有限公司 | Plug connector with embedded contact pawl spring |
| CN104659554A (en) * | 2013-11-11 | 2015-05-27 | 矢崎总业株式会社 | Wire holder |
| CN206619720U (en) * | 2017-04-06 | 2017-11-07 | 上海航天科工电器研究院有限公司 | A kind of jack type electric contact piece |
| CN107369936A (en) * | 2017-08-17 | 2017-11-21 | 深圳尼索科连接技术有限公司 | High current pluggable terminals are arranged |
| CN208352577U (en) * | 2018-06-21 | 2019-01-08 | 安波福中央电气（上海）有限公司 | Therminal retainer and terminal keep system |
-
2018
- 2018-06-21 CN CN201810644242.2A patent/CN110444946A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102801021A (en) * | 2012-08-14 | 2012-11-28 | 上海航天科工电器研究院有限公司 | Plug connector with embedded contact pawl spring |
| CN104659554A (en) * | 2013-11-11 | 2015-05-27 | 矢崎总业株式会社 | Wire holder |
| CN206619720U (en) * | 2017-04-06 | 2017-11-07 | 上海航天科工电器研究院有限公司 | A kind of jack type electric contact piece |
| CN107369936A (en) * | 2017-08-17 | 2017-11-21 | 深圳尼索科连接技术有限公司 | High current pluggable terminals are arranged |
| CN208352577U (en) * | 2018-06-21 | 2019-01-08 | 安波福中央电气（上海）有限公司 | Therminal retainer and terminal keep system |
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