CN206135117U - A TPA structure for shielded electrical connector - Google Patents
A TPA structure for shielded electrical connector Download PDFInfo
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- CN206135117U CN206135117U CN201621116660.7U CN201621116660U CN206135117U CN 206135117 U CN206135117 U CN 206135117U CN 201621116660 U CN201621116660 U CN 201621116660U CN 206135117 U CN206135117 U CN 206135117U
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- terminal
- shielding
- cable
- grommet
- baffle plate
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Abstract
The utility model discloses a TPA structure for shielded electrical connector, its involucrum body and shielded cable, one end in the casing is provided with the terminal and accepts the chamber, and the other end is provided with the seal line body and accepts the chamber, the terminal is acceptd the intracavity and is installed the terminal, the intracavity is acceptd according to installing the baffle and the seal line body from interior extremely outer order to the seal line body, the casing is provided with the seal line body at it and accepts the tip in chamber and install the tail and press from both sides, shielded cable becomes one with the terminal riveting after passing tail clamp, the seal line body, baffle in proper order, last interior sleeve pipe of shielding and the shielding outer tube installed in proper order of shielded cable to the mode of sleeve pipe and the logical riveting of shielding outer tube is combined closely in shielded cable, the shielding, by sleeve pipe and shielding outer tube all lie in the baffle in the shielding, realize spacing to after the terminal installation to and prevent that the terminal from droing, and the confining force of greatly increased terminal in the connector, thus make this structure be applicable to the operation requirement of new energy automobile to high -voltage electric connector.
Description
Technical field
The utility model is related to new-energy automobile high voltage shielded electrical connector field, and in particular to one kind is used to shield electricity
The TPA structures of connector.
Background technology
Existing high voltage shielded electrical connector, particularly new-energy automobile are connected with the high-tension shielding power supply with punching terminal
Device is connect, in the connectors fixed form is usually two kinds to punching terminal, and one kind is terminal per se with metal clips, terminal dependence
Metal clips hangs conjunction with the hanging platform in connector inner terminal host cavity, so that terminal is fixed in the connectors；Another kind is to connect
Setting plastics bullet tongue in device terminal accommodating chamber is connect, plastics bullet tongue stretches into terminal base by elastic deformation after terminal loads, so as to
Realize terminal fixation in the connectors.
Both the above terminal fixed form is analyzed, terminal keeps being both needed to be realized by elastic construction in the connectors, one
Kind be by the elastic force of metal clips, it is a kind of be by the elastic force of plastics bullet tongue, new-energy automobile high-tension connector due to
It is related to high pressure, it is necessary to safe enough reliability, therefore has very high requirement to contact reliability, this is accomplished by terminal in the connectors
There are enough confining forces (power for preventing terminal from coming off from connector shell), for elastic construction, higher reliability is again
Must be realized with the larger structure of high-strength material and volume, this again with new-energy automobile with connector is compact, lightweight,
The development trend of cost degradation is disagreed；
To sum up, it is seen that high-tension shielding terminal of power connector of the existing new-energy automobile with punching terminal is in connection
Fixed effect in device is undesirable, and there is potential safety hazard in attachment structure.
Utility model content
The utility model overcomes in prior art the terminal bad deficiency of fixed effect in the connectors, there is provided Yi Zhongzeng
Plus terminal installs in the connectors fixed effect, so as to improve the TPA for shield electric-connector of connector contact reliability
Structure.
For achieving the above object, the utility model is employed the following technical solutions：
A kind of TPA structures for shield electric-connector, its pack housing and shielded cable, one end in the housing is arranged
There is terminal accommodating chamber, the other end is provided with grommet host cavity, terminal is installed in the terminal accommodating chamber, the grommet is received
Baffle plate and grommet are installed according to order from the inside to the outside in cavity volume, the housing is provided with the end of grommet host cavity at it
Portion is provided with tail folder, and the shielded cable is sequentially passed through to be pressed into terminal riveting after tail folder, grommet, baffle plate and is integrated, the screen
Cover and be sequentially installed with cable shielding inner sleeve and shielding outer tube, and shielded cable, shielding inner sleeve and shielding outer tube
The mode of logical riveting is combined closely, and the shielding inner sleeve and shielding outer tube are respectively positioned on by baffle plate.
Further technical scheme is that terminal hanging platform is provided with the terminal accommodating chamber, is provided with the terminal
Terminal metal shell fragment, terminal storage cavity volume is fixedly mounted on after the terminal metal shell fragment and the terminal hanging platform clamping by terminal
It is interior.
Further technical scheme is that the tail clamp surface offers tail folder cable via, and the grommet surface is opened
Sealing inner lip is provided with, the baffle surface offers baffle plate cable via, and the shielded cable sequentially passes through tail folder cable mistake
Hole, sealing inner lip and baffle plate cable via.
Further technical scheme is that the housing is respectively provided with its end both sides for being provided with grommet host cavity
There is hanging platform, the tail folder both sides are respectively arranged with the cantilever hanging groove coordinated with hanging platform, will after the cantilever hanging groove and hanging platform clamping
Tail folder is fixedly mounted on housing.
Further technical scheme is that the edge of the grommet is provided with sealing outer lip, the sealing outer lip
Tail seal is realized after coordinating with grommet host cavity.
Further technical scheme is that the diameter of the baffle plate cable via is less than the external diameter for shielding outer tube.
Further technical scheme is that the shielding outer tube is riveting portion near one end of baffle plate at it, remote at its
It is shielding contact site from one end of baffle plate.
Further technical scheme is that metallic shield is additionally provided with the housing, and the metallic shield is arranged
There is shielding engaging nail, the shielding engaging nail contacts realization shielding conducting with shielding contact site.
Further technical scheme is that the shielded cable includes cable core, and on the cable core electricity is disposed with
Cable insulation rubber and cable jacket.
Because terminal is connected with shielded cable in prior art, when electric connector in use, due to terminal only
The elastic force provided by metal clips or plastics bullet tongue is fixedly mounted in connector case body, so when shielded cable is drawn
During power, terminal is easy to from connector case body come off, so connector contact reliability is very low, the structure cannot meet newly
The use requirement of energy automobile high-tension connector.So in the technical program by shielded cable install shielding inner sleeve and
Shielding outer tube, and three is combined closely by way of riveting, by installing baffle plate, grommet in housing, and
Tail folder is installed again in hull outside, firstly, since shielding inner sleeve and shielding outer tube are arranged on by baffle plate, so when shielding electricity
After cable is connected with terminal, after being installed in housing, the displacement of shielded cable can be just limited by baffle plate, so can be achieved with opposite end
It is spacing after son installation, when shielded cable is subject to outside pulling force, i.e., when terminal is subject to be allowed to the power for departing from housing, at this moment first
By the clamping of terminal metal shell fragment and terminal hanging platform, realize can terminal fixed for the first time in housing, then, by screen
Covering the parts such as outer tube, shielding inner sleeve, baffle plate, grommet, tail folder can realize second fixation of the terminal in housing, from
And make that terminal installs in housing it is more stable, will not fall off, specific as follows, first is fixedly mounted on shell due to baffle plate
In vivo, baffle plate side is provided with shielding outer tube, and the diameter of baffle plate cable via thus can less than the external diameter of shielding outer tube
Realize providing a resistance to shielding outer tube, prevent from being displaced outwardly when shielded cable receives external force, so as to avoid terminal
Come off, second is provided with grommet due to baffle plate opposite side, and grommet realizes tail seal by sealing outer lip with housing, i.e.,
Grommet is also fixedly mounted in housing, and such grommet can provide a resistance to baffle plate, prevent from baffle plate outside
Mobile, thirdly through cantilever hanging groove is fixedly mounted on tail folder on housing with hanging platform cooperation, and such tail folder just can be carried to grommet
For a resistance, so as to prevent grommet to be displaced outwardly, in sum, by shielding outer tube, shielding inner sleeve, baffle plate, envelope
Wire body, tail folder, the resistance for providing successively (is subject to the reverse power of the power for being allowed to depart from housing) with terminal, so that terminal will not
Come off from housing.
By setting metallic shield in housing in the technical program, shielding engaging nail is set in metallic shield, shield overcoat
Pipe front end is provided with shielding contact site, and rear portion is provided with riveting portion, and shielding contact site is contacted with shielding engaging nail, so as to realize that shielding is led
It is logical.
Compared with prior art, the beneficial effects of the utility model are：
By arranging shielding outer tube, shielding inner sleeve, baffle plate, grommet, tail folder at terminal rear portion in the utility model
It is spacing after installing to terminal so as to realize Deng component, and terminal removal is prevented, greatly increase terminal guarantor in the connectors
Holding force, so that the structure is applied to use requirement of the new-energy automobile to high-voltage electric connector.
Description of the drawings
Fig. 1 is a kind of configuration schematic diagram of the TPA structures for shield electric-connector of embodiment of the utility model.
Fig. 2 is the installation diagram of Fig. 1.
Fig. 3 is the structural representation of housing in Fig. 1.
Fig. 4 is the structural representation of grommet in Fig. 1.
Fig. 5 is the structural representation of tail folder in Fig. 1.
Fig. 6 is the structural representation of shielded cable in Fig. 1.
As illustrated, wherein corresponding reference is entitled：
1- housings, 11- terminal accommodatings chamber, 111- terminal hanging platforms, 12- metallic shields, 121- shielding engaging nails, 13- hangs
Platform, 14- grommet host cavities, 2- terminals, 21- terminal metal shell fragments, 3- shielding outer tubes, 31- shielding contact sites, 32- rivetings
Portion, 4- shielding inner sleeves, 5- baffle plates, 51- baffle plate cable vias, 6- grommets, 61- sealing outer lips, 62- sealing inner lips, 7
Tail is pressed from both sides, 71- cantilever hanging grooves, 72- tails folder cable via, 8- shielded cables, 81- cable insulation rubber, 82- cable jackets.
Specific embodiment
The utility model is further elaborated below in conjunction with the accompanying drawings.
Such as the TPA structures for shield electric-connector of Fig. 1-6, its pack housing 1 and shielded cable 8, the one end in housing 1
Terminal accommodating chamber 11 is provided with, the other end is provided with grommet host cavity 14, terminal accommodating chamber 11 and is provided with terminal 2, seals line
Baffle plate 5 and grommet 6 are installed according to order from the inside to the outside in body host cavity 14, housing 1 is provided with grommet and houses at it
The end in chamber 14 is provided with tail folder 7, and shielded cable 8 to be sequentially passed through and become one with the riveting of terminal 2 after tail folder 7, grommet 6, baffle plate 5
Body, is sequentially installed with shielding inner sleeve 4 and shielding outer tube 3, and shielded cable 8, the shielding and of inner sleeve 4 on shielded cable 8
Shielding outer tube 3 leads to the mode of riveting combines closely, and shielding inner sleeve 4 and shielding outer tube 3 are respectively positioned on by baffle plate 5, and terminal is received
Terminal hanging platform 111 is provided with cavity volume 11, terminal metal shell fragment 21 is provided with terminal 2, terminal metal shell fragment 21 is hung with terminal
Terminal 2 is fixedly mounted in terminal storage cavity volume 11 after the clamping of platform 111, tail presss from both sides 7 surfaces and offers tail folder cable via 72, envelope
The surface of wire body 6 offers sealing inner lip 62, and the surface of baffle plate 5 offers baffle plate cable via 51, and shielded cable 8 sequentially passes through tail
Folder cable via 72, sealing inner lip 62 and baffle plate cable via 51.
According to one embodiment of the present utility model, housing 1 is provided with the end both sides point of grommet host cavity 14 at it
Hanging platform 13 is not provided with, tail presss from both sides 7 both sides and is respectively arranged with the cantilever hanging groove 71 coordinated with hanging platform 13, cantilever hanging groove 71 and hanging platform 13
Tail folder 7 is fixedly mounted on housing 1 after clamping, the edge of grommet 6 is provided with sealing outer lip 61, sealing outer lip 61 with
Grommet host cavity 14 realizes tail seal after coordinating, the diameter of baffle plate cable via 51 is less than the external diameter for shielding outer tube 3.
According to one embodiment of the present utility model, shielding outer tube 3 is riveting portion 32 near one end of baffle plate 5 at it,
Metallic shield 12 is additionally provided with to shield in contact site 31, housing 1 away from one end of baffle plate 5 at it, metallic shield 12 sets
Shielding engaging nail 121 is equipped with, shielding engaging nail 121 contacts realization shielding conducting with shielding contact site 31.
According to one embodiment of the present utility model, shielded cable 8 includes cable core, cable is disposed with cable core
Insulation rubber 81 and cable jacket 82.
Above specific embodiment is described in detail to essence of the present utility model, but can not be to of the present utility model
Protection domain is limited, it should be apparent that, under enlightenment of the present utility model, the art those of ordinary skill can be with
Carry out many improvement and modification, it should be noted that these are improved and modification all falls in claim of the present utility model protection
Within the scope of.
Claims (9)
1. a kind of TPA structures for shield electric-connector, it is characterised in that its pack housing (1) and shielded cable (8), it is described
One end in housing (1) is provided with terminal accommodating chamber (11), and the other end is provided with grommet host cavity (14), the terminal accommodating
Be provided with chamber (11) in terminal (2), the grommet host cavity (14) according to order from the inside to the outside be provided with baffle plate (5) and
Grommet (6), the housing (1) is provided with tail folder (7), the shielding electricity in its end for being provided with grommet host cavity (14)
Cable (8) sequentially passes through tail folder (7), grommet (6), baffle plate (5) and is integrally formed with terminal (2) riveting afterwards, the shielded cable (8)
On be sequentially installed with shielding inner sleeve (4) and shielding outer tube (3), and shielded cable (8), shielding inner sleeve (4) and shield
The mode of the logical riveting of outer tube (3) is combined closely, and shielding inner sleeve (4) and shielding outer tube (3) are respectively positioned on baffle plate (5)
It is other.
2. TPA structures for shield electric-connector according to claim 1, it is characterised in that the terminal accommodating chamber
(11) terminal hanging platform (111) is provided with, terminal metal shell fragment (21), the terminal metal bullet is provided with the terminal (2)
Terminal (2) is fixedly mounted in terminal storage cavity volume (11) after piece (21) and the terminal hanging platform (111) clamping.
3. TPA structures for shield electric-connector according to claim 1, it is characterised in that the tail presss from both sides (7) surface
Tail folder cable via (72) is offered, grommet (6) surface offers sealing inner lip (62), baffle plate (5) surface
Baffle plate cable via (51) is offered, the shielded cable (8) sequentially passes through tail folder cable via (72), sealing inner lip (62)
With baffle plate cable via (51).
4. TPA structures for shield electric-connector according to claim 3, it is characterised in that the housing (1) is at it
The end both sides for being provided with grommet host cavity (14) are respectively arranged with hanging platform (13), and described tail folder (7) both sides are respectively arranged with
The cantilever hanging groove (71) coordinated with hanging platform (13), peace is fixed after the cantilever hanging groove (71) and hanging platform (13) clamping by tail folder (7)
It is mounted on housing (1).
5. TPA structures for shield electric-connector according to claim 3, it is characterised in that the grommet (6)
Edge is provided with sealing outer lip (61), realizes that afterbody is close after sealing outer lip (61) and grommet host cavity (14) cooperation
Envelope.
6. TPA structures for shield electric-connector according to claim 3, it is characterised in that the baffle plate cable mistake
External diameter of the diameter in hole (51) less than shielding outer tube (3).
7. TPA structures for shield electric-connector according to claim 1, it is characterised in that the shielding outer tube
(3) its near one end of baffle plate (5) be riveting portion (32), its away from baffle plate (5) one end for shielding contact site (31).
8. TPA structures for shield electric-connector according to claim 7, it is characterised in that in the housing (1) also
Metallic shield (12) is provided with, the metallic shield (12) is provided with shielding engaging nail (121), the shielding engaging nail
(121) realization shielding conducting is contacted with shielding contact site (31).
9. TPA structures for shield electric-connector according to claim 1, it is characterised in that the shielded cable (8)
Including cable core, cable insulation rubber (81) and cable jacket (82) are disposed with the cable core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621116660.7U CN206135117U (en) | 2016-10-12 | 2016-10-12 | A TPA structure for shielded electrical connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621116660.7U CN206135117U (en) | 2016-10-12 | 2016-10-12 | A TPA structure for shielded electrical connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206135117U true CN206135117U (en) | 2017-04-26 |
Family
ID=58573436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621116660.7U Active CN206135117U (en) | 2016-10-12 | 2016-10-12 | A TPA structure for shielded electrical connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206135117U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113689986A (en) * | 2021-08-16 | 2021-11-23 | 江苏中容电气有限公司 | High-voltage wire with paint spraying coating |
-
2016
- 2016-10-12 CN CN201621116660.7U patent/CN206135117U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113689986A (en) * | 2021-08-16 | 2021-11-23 | 江苏中容电气有限公司 | High-voltage wire with paint spraying coating |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |