CN108923136A - A kind of joint structure - Google Patents
A kind of joint structure Download PDFInfo
- Publication number
- CN108923136A CN108923136A CN201810819748.2A CN201810819748A CN108923136A CN 108923136 A CN108923136 A CN 108923136A CN 201810819748 A CN201810819748 A CN 201810819748A CN 108923136 A CN108923136 A CN 108923136A
- Authority
- CN
- China
- Prior art keywords
- position limiting
- ontology
- limiting structure
- shell
- contact 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
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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
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/10—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
- H01R4/18—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
- H01R4/20—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping using a crimping sleeve
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/22—End caps, i.e. of insulating or conductive material for covering or maintaining connections between wires entering the cap from the same end
Abstract
The present invention provides a kind of joint structures, for installing charging member into shell, the joint structure includes ontology, the ontology has accommodating cavity, the end accommodation of the charging member is provided with position limiting structure, the position limiting structure is for limiting the distance between the ontology and the shell in the accommodating cavity of the ontology on the ontology, to effectively prevent joint structure to be in contact with the inner wall of shell, meet the requirement of installation provision.Also, after by joint structure installation in the housing, there are certain distances between the ontology and shell of joint structure, so that the material of shell no longer needs to meet the requirement of heat-resisting resistance to combustion, achieve the purpose that reduce installation cost.
Description
Technical field
The present invention relates to electric connection technology fields, and in particular to a kind of joint structure.
Background technique
Cold junction is a kind of common electrical component, and application field is very wide, is often matched with non-flame-retardant material shells such as PP
It closes and uses.As shown in Figure 1, existing cold joint header structure includes pressure contact portion 1 ' and interconnecting piece 2 ', inside has accommodating space, leads
The conductive components such as line pass through interconnecting piece 2 ' and can extend into pressure contact portion 1 ', and pressure contact portion 1 ' can deform, in pressure contact portion 1 '
In be provided with tabletting, pressing pressure contact portion 1 ' makes its generate deformation, and tabletting can will extend into two conductive components therein and compress
It is connected.Cold junction has been frequently found the case where breaking cold junction in use, also will appear and does not have urgent, leakage copper wire etc. existing
As complaining hidden danger there are certain safety and after sale.
The actual (real) thickness of existing cold junction is not provided with any position limiting structure less than 1mm in its structure.It is installed
Afterwards, it if cold junction closely or is directly contacted with non-flame-retardant material shell excessively apart from shell, is unable to satisfy the test of calcination silk and rises
Combustion test, is more unable to satisfy installation provision.
Simultaneously as being not provided with any other structure outside cold junction, therefore, cold junction can not be effectively fixed in plastics
On shell, very big inconvenience is brought to the installation of cold junction.
Summary of the invention
In view of this, facilitating installation, safe and reliable joint structure one of the objects of the present invention is to provide a kind of, with solution
The problem of joint structure certainly existing in the prior art is unable to satisfy installation provision.
In order to achieve the above objectives, the present invention uses following technical scheme：
A kind of joint structure, for installing charging member into shell, the joint structure includes ontology, the ontology
With accommodating cavity, the end accommodation of the charging member is provided with limit knot in the accommodating cavity of the ontology on the ontology
Structure, the position limiting structure is for limiting the distance between the ontology and the shell.
Preferably, the position limiting structure be configured to make the accommodating cavity of the ontology cavity wall and the shell inner wall it
Between distance be greater than preset distance.
Preferably, the position limiting structure is arranged in the outside wall surface of the ontology, and the position limiting structure is described for limiting
The distance between the inner wall of the outside wall surface of ontology and the shell, so that the cavity wall of the accommodating cavity of the ontology and the shell
The distance between inner wall be greater than the preset distance.
Preferably, the ontology is cylindrical, and the position limiting structure includes the first position limiting structure and/or the second position limiting structure,
First position limiting structure be used for limit the ontology lateral surface and the shell the distance between inner wall, described second
Position limiting structure is used to limit the outer end face of the ontology and the distance between the inner wall of the shell.
Preferably, the ontology includes connected pressure contact portion and interconnecting piece, and the pressure contact portion is used for therein to being placed in
Charging member is crimped, and the charging member is extend into inside the pressure contact portion by the interconnecting piece,
First position limiting structure is provided on the outer peripheral surface of the pressure contact portion and/or the interconnecting piece；And/or
Second position limiting structure is provided on the outer end face of one end far from the interconnecting piece of the pressure contact portion.
Preferably, at least one described first position limiting structure, the first position limiting structure packet are provided on the pressure contact portion
Include the ring structure being arranged on the lateral surface of the pressure contact portion.
Preferably, one end far from the interconnecting piece of the pressure contact portion is the head of the ontology, first limit
Structure includes at least one the crimping position limiting structure being arranged on the pressure contact portion, at least one described crimping position limiting structure setting
In the head end of the interconnecting piece；And/or
First position limiting structure includes at least one the connection position limiting structure being arranged on the interconnecting piece.
Preferably, the connection position limiting structure is identical as the crimping outer rim shape and size of position limiting structure.
Preferably, second position limiting structure includes along the cylindrical extending direction by the outer end face towards far from described
The limiting section that interconnecting piece side extends.
Preferably, the limiting section extends to form taper by the direction that the outer end faces away from the interconnecting piece；With/
Or,
Size of the limiting section on the cylindrical extending direction is greater than preset distance.
Joint structure in the application can install charging member into shell, due to being arranged on the ontology of joint structure
There is position limiting structure, after joint structure installation in the housing, position limiting structure can limit the distance between shell and ontology, to have
Effect prevents joint structure to be in contact with the inner wall of shell, meets the requirement of installation provision.Also, joint structure is being mounted on shell
After in body, there are certain distance between the ontology and shell of joint structure so that the material of shell no longer need to meet it is heat-resisting resistance to
The requirement of combustion achievees the purpose that reduce installation cost.
Joint structure in the application not only has the advantages that structure is simple, using flexible, while pacifying in use
It is complete reliable, facilitate installation, large-scale promotion is suitble to use.
Detailed description of the invention
By referring to the drawings to the description of the embodiment of the present invention, the above and other purposes of the present invention, feature and
Advantage will be apparent from, in the accompanying drawings：
Fig. 1 shows the schematic diagram of existing joint structure；
Fig. 2 shows the joint structure schematic diagrames that the specific embodiment of the invention proposes.
In figure：
1 ', pressure contact portion；2 ', interconnecting piece；
1, ontology；11, outside wall surface；12, pressure contact portion；13, interconnecting piece；14, outer end face；15, head；
2, position limiting structure；21, the first position limiting structure；211, position limiting structure is crimped；212, position limiting structure is connected；22, second
Position limiting structure；221, limiting section.
Specific embodiment
Below based on embodiment, present invention is described, it should be understood by one skilled in the art that provided herein
Attached drawing is provided to the purpose of explanation, and attached drawing is not necessarily drawn to scale.
Unless the context clearly requires otherwise, "include", "comprise" otherwise throughout the specification and claims etc. are similar
Word should be construed as the meaning for including rather than exclusive or exhaustive meaning；That is, be " including but not limited to " contains
Justice.
In the description of the present invention, it is to be understood that, term " first ", " second " etc. are used for description purposes only, without
It can be interpreted as indication or suggestion relative importance.In addition, in the description of the present invention, unless otherwise indicated, the meaning of " multiple "
It is two or more.
Explanation：Inside and outside in the application be relative to joint structure itself, the side inside joint structure
It is outer far from the side inside joint structure to be interior.
As shown in Fig. 2, this application provides a kind of joint structures, specifically, a kind of cold joint header structure is provided, being used for will
Charging member (not shown) is installed to shell (not shown)
In.Wherein, charging member is the wiring that such as conducting wire etc. has conducting function, when multiple conducting wires protrude into joint structure
In, joint structure can link together multiple conducting wires, and guarantee its connection safety and reliability.
Further, joint structure includes ontology 1, and ontology 1 has accommodating cavity (not shown), the end of charging member
It is placed in the accommodating cavity of ontology, position limiting structure 2 is provided on ontology 1, position limiting structure 2 is for limiting between ontology 1 and shell
Distance.Ontology 1 can be effectively avoided to be in contact with the inner wall of shell by position limiting structure 2, shell no longer needs to have relatively strong
Heat-resisting firing resistance.When case material is plastics, material no longer needs to meet the 750 DEG C of calcinations required in installation provision
Silk test and 850 DEG C of ignition are tested, and are greatly reduced the requirement to case material, are thereby reduced cost.
Further, in order to make joint structure installation can satisfy installation provision afterwards in the housing, position limiting structure 2 is configured to
The distance between the cavity wall of the accommodating cavity of ontology 1 and the inner wall of shell is set to be greater than preset distance.Preferably, preset distance is greater than
Or it is equal to 3mm, it is further preferred that the distance between inner sidewall of the inner sidewall of ontology 1 and shell is more than or equal to 3mm, to guarantee
Joint structure has preferable installation reliability and safety after being installed.
In a specific embodiment, position limiting structure 2 is arranged in the outside wall surface 11 of ontology 1, and position limiting structure 2 is for limiting
The outside wall surface 11 of ontology 1 processed and the distance between the inner wall of shell, so that the inner wall of the cavity wall of the accommodating cavity of ontology 1 and shell
The distance between face is greater than preset distance.Ontology 1 is cylindrical, and ontology 1 includes pressure contact portion 12, and pressure contact portion 12 is used for being placed in it
In charging member crimped, pressure contact portion 12 is internally provided with the ring-type tabletting (not shown) made of copper product,
By pressing pressure contact portion 12, cyclic annular tabletting crimps the conducting wire (charging member) extending into pressure contact portion 12.Usual situation
Under, conducting wire includes two separated live wires, and two separated live wires are carried out crimping connection by cyclic annular tabletting, with to protruding into
It is fixed to conducting wire therein.Ontology 1 further includes interconnecting piece 13, and interconnecting piece 13 is connected with pressure contact portion 12, and charging member passes through
Interconnecting piece 13 is extend into inside pressure contact portion 12.
Further, position limiting structure 2 includes the first position limiting structure 21 and/or the second position limiting structure 22, preferably includes simultaneously
First position limiting structure 21 and the second position limiting structure 22.Wherein, the first position limiting structure 21 is used to limit the outside wall surface 11 and shell of ontology 1
The distance between inner wall of body, and then the distance between inner sidewall and the inner sidewall of shell for limiting ontology 1.Second limit knot
Structure 22 is used to limit the outer end face 14 of ontology 1 and the distance between the inner wall of shell.Pass through the first position limiting structure 21 and second
Position limiting structure 22 can limit the distance between ontology 1 and shell from all directions of ontology 1, to guarantee by joint structure
After installation in the housing, any part of joint structure will not all be contacted with the inner sidewall of shell, guarantee installation reliability and peace
Quan Xing.
Further, the first position limiting structure 21 is provided on the outer peripheral surface of pressure contact portion 12 and/or interconnecting piece 13.Pressure contact portion
At least one first position limiting structure 21 is provided on 12, the first position limiting structure 21 includes being arranged on the lateral surface of pressure contact portion 12
Ring structure.In a specific embodiment, ontology 1 is cylindrical, and the first position limiting structure 21 is arranged to ring structure, tool
Body, the first position limiting structure 21 is cirque structure, not only facilitates and is processed together with ontology, but also can guarantee ontology 1
It can be limited in all directions by the first position limiting structure 21, to guarantee that any part of pressure contact portion 12 all will not be with
The inner wall of shell is in contact.Specifically, one end of the separate interconnecting piece 13 of pressure contact portion 12 is the head 15 of ontology 1, the first limit
Structure 21 includes at least one the crimping position limiting structure 211 being arranged on pressure contact portion 12, at least one crimping position limiting structure 211 is set
It sets at 15 end of the head of interconnecting piece 13.Preferably, the quantity for crimping position limiting structure 211 is one, is guaranteeing to realize limit
Function under, it is convenient that ontology is processed.In addition, a crimping position limiting structure 211 to be arranged in the head 15 of ontology 1, energy
Enough influences for effectively avoiding crimping position limiting structure 211 to the cyclic annular tabletting inside pressure contact portion 12, guarantee pressure contact portion 12 to conducting wire
Effect is crimped, reliability and safety are improved.
First position limiting structure 21 further includes at least one the connection position limiting structure 212 being arranged on interconnecting piece 13, it is preferable that
Connecting 212 quantity of position limiting structure is one, is processed with facilitating.Connecting position limiting structure 212 is also cirque structure, with limitation
The distance between the inner wall of interconnecting piece 13 and shell, avoids interconnecting piece 13 from contacting with the inner wall of shell, guarantees installation reliability, with
Meet installation provision.Since the outer diameter of interconnecting piece 13 is bigger than the outer diameter of pressure contact portion 12, and interconnecting piece 13 is in truncated cone-shaped,
Therefore, connection position limiting structure 212 is identical as the crimping outer rim shape and size of position limiting structure 211.Specifically, position limiting structure is connected
212 with position limiting structure 211 is crimped be circular ring structure, and connect the outer diameter of position limiting structure 212 with crimp position limiting structure 211
Outer diameter it is identical, with guarantee by joint structure installation in the housing after, interconnecting piece 13 and pressure contact portion 12 are in shell
The distance between wall is equal, and to improve the mounting stability of joint structure, joint structure is not easy to move in the housing.Connection limit
Structure 212 is different from the crimping internal diameter of position limiting structure 211, to adapt to the outer diameter of interconnecting piece 13 Yu pressure contact portion 12, side
Just it is processed.It, can be with it is, of course, understood that the shape of the first position limiting structure 21 is not limited to circular ring shape
It is the structures such as straight-flanked ring, polygon ring.Also, after joint structure installation in the housing, the first position limiting structure 21 can be with shell
Inner wall be in contact, can not also contact, the first position limiting structure 21 can effectively limit ontology 1 in circumferential direction and inner walls
Between minimum range.
Further, the second position limiting structure is provided on the outer end face 14 of one end of the separate interconnecting piece 13 of pressure contact portion 12
22.Second position limiting structure 22 includes along cylindrical extending direction by outer end face 14 towards the limiting section far from the extension of 13 side of interconnecting piece
221.In a specific embodiment, limiting section 221 extends to form taper by the direction that outer end faces away from interconnecting piece 13, limit
Size of the position portion 221 on cylindrical extending direction is greater than above-mentioned preset distance.Second position limiting structure 22 can effectively limit this
Minimum range between the outer end face 14 and the inner wall of shell on the head 15 of body 1, prevent the outer end face 14 on the head 15 of ontology 1 with
Shell contact, and then avoid the occurrence of safety problem.
Joint structure in the application, due to the outer end on the head 15 of the outer peripheral surface and ontology 1 of the ontology 1 in joint structure
It is provided with position limiting structure 2 on face 14, limits the minimum range between the outside wall surface 11 of ontology 1 and the inner wall of shell, thus
The outside wall surface 11 of ontology 1 and the inner wall face contact of shell can effectively be avoided.Since the accommodated inside of joint structure has band conductance
Line, if the shell with non-flame-retardant material contacts, there are security risks.It is therefore desirable to case material resistance to burning with higher
And heat resistance, to cause case material higher cost.Position limiting structure in the application can effectively avoid ontology and shell
Inner sidewall contact, eliminates security risk, case material even if do not have stronger heat-resisting and flame resistance can be used,
It reduces costs, large-scale promotion is suitble to use.
Those skilled in the art will readily recognize that above-mentioned each preferred embodiment can be free under the premise of not conflicting
Ground combination, superposition.
The above is only a preferred embodiment of the present invention, is not intended to restrict the invention, to those skilled in the art,
The invention can have various changes and changes.It is all within the spirit and principles of the present invention made by any modification, equivalent replacement,
Improve etc., it should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of joint structure, for installing charging member into shell, which is characterized in that the joint structure includes this
Body, the ontology have accommodating cavity, and the end accommodation of the charging member is set on the ontology in the accommodating cavity of the ontology
It is equipped with position limiting structure, the position limiting structure is for limiting the distance between the ontology and the shell.
2. joint structure according to claim 1, which is characterized in that the position limiting structure is configured to make the appearance of the ontology
The distance between the cavity wall of chamber and the inner wall of the shell are set greater than preset distance.
3. joint structure according to claim 2, which is characterized in that the outer wall of the ontology is arranged in the position limiting structure
On face, the position limiting structure is used to limit the outside wall surface of the ontology and the distance between the inner wall of the shell, so that institute
The distance between the cavity wall of the accommodating cavity of ontology and the inner wall of the shell are stated greater than the preset distance.
4. joint structure according to claim 1, which is characterized in that the ontology is cylindrical, and the position limiting structure includes
First position limiting structure and/or the second position limiting structure, first position limiting structure be used to limit the lateral surface of the ontology with it is described
The distance between inner wall of shell, second position limiting structure are used to limit the interior of the outer end face of the ontology and the shell
The distance between wall surface.
5. joint structure according to claim 4, which is characterized in that the ontology includes connected pressure contact portion and connection
Portion, the pressure contact portion are used to crimp to being placed in charging member therein, and the charging member is stretched by the interconnecting piece
Enter to inside the pressure contact portion,
First position limiting structure is provided on the outer peripheral surface of the pressure contact portion and/or the interconnecting piece；And/or
Second position limiting structure is provided on the outer end face of one end far from the interconnecting piece of the pressure contact portion.
6. joint structure according to claim 5, which is characterized in that be provided on the pressure contact portion at least one described
One position limiting structure, first position limiting structure include the ring structure being arranged on the lateral surface of the pressure contact portion.
7. joint structure according to claim 6, which is characterized in that one end far from the interconnecting piece of the pressure contact portion
For the head of the ontology, first position limiting structure includes at least one the crimping limit knot being arranged on the pressure contact portion
The head end of the interconnecting piece is arranged in structure, at least one described crimping position limiting structure；And/or
First position limiting structure includes at least one the connection position limiting structure being arranged on the interconnecting piece.
8. joint structure according to claim 7, which is characterized in that the connection position limiting structure crimps limit knot with described
The outer rim shape and size of structure are identical.
9. joint structure according to claim 5, which is characterized in that second position limiting structure includes by the outer end face
Along the cylindrical extending direction towards the limiting section far from interconnecting piece side extension.
10. joint structure according to claim 9, which is characterized in that the limiting section faces away from institute by the outer end
The direction for stating interconnecting piece extends to form taper；And/or
Size of the limiting section on the cylindrical extending direction is greater than preset distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810819748.2A CN108923136A (en) | 2018-07-24 | 2018-07-24 | A kind of joint structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810819748.2A CN108923136A (en) | 2018-07-24 | 2018-07-24 | A kind of joint structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108923136A true CN108923136A (en) | 2018-11-30 |
Family
ID=64416437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810819748.2A Pending CN108923136A (en) | 2018-07-24 | 2018-07-24 | A kind of joint structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108923136A (en) |
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| JP2005302340A (en) * | 2004-04-07 | 2005-10-27 | Yazaki Corp | Conductive sleeve for connecting electric wire, joint electric wire, swaging apparatus for connecting electric wire, and electric wire connection method |
| CN101820117A (en) * | 2010-04-16 | 2010-09-01 | 镇江船舶电器有限责任公司 | Longitudinal cable connector with isolated gates |
| CN104136069A (en) * | 2011-11-04 | 2014-11-05 | 上海微创医疗器械（集团）有限公司 | Implantable medical lead |
| CN205141567U (en) * | 2015-12-09 | 2016-04-06 | 河南富景达橡塑有限公司 | Car wiring harness is rubber connector for connector |
| CN105814744A (en) * | 2013-12-11 | 2016-07-27 | 罗伯特·博世有限公司 | Contacting element |
| CN106121959A (en) * | 2016-08-09 | 2016-11-16 | 珠海凌达压缩机有限公司 | The assembling structure of compressor electric motor and housing and compressor |
| CN208423187U (en) * | 2018-07-24 | 2019-01-22 | 珠海格力电器股份有限公司 | A kind of joint structure |
-
2018
- 2018-07-24 CN CN201810819748.2A patent/CN108923136A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005302340A (en) * | 2004-04-07 | 2005-10-27 | Yazaki Corp | Conductive sleeve for connecting electric wire, joint electric wire, swaging apparatus for connecting electric wire, and electric wire connection method |
| CN101820117A (en) * | 2010-04-16 | 2010-09-01 | 镇江船舶电器有限责任公司 | Longitudinal cable connector with isolated gates |
| CN104136069A (en) * | 2011-11-04 | 2014-11-05 | 上海微创医疗器械（集团）有限公司 | Implantable medical lead |
| CN105814744A (en) * | 2013-12-11 | 2016-07-27 | 罗伯特·博世有限公司 | Contacting element |
| CN205141567U (en) * | 2015-12-09 | 2016-04-06 | 河南富景达橡塑有限公司 | Car wiring harness is rubber connector for connector |
| CN106121959A (en) * | 2016-08-09 | 2016-11-16 | 珠海凌达压缩机有限公司 | The assembling structure of compressor electric motor and housing and compressor |
| CN208423187U (en) * | 2018-07-24 | 2019-01-22 | 珠海格力电器股份有限公司 | A kind of joint structure |
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