CN204156191U - Connector shell and connector - Google Patents
Connector shell and connector Download PDFInfo
- Publication number
- CN204156191U CN204156191U CN201420557097.1U CN201420557097U CN204156191U CN 204156191 U CN204156191 U CN 204156191U CN 201420557097 U CN201420557097 U CN 201420557097U CN 204156191 U CN204156191 U CN 204156191U
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- CN
- China
- Prior art keywords
- boss
- terminal
- connector
- housing
- reception 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.)
- Expired - Fee Related
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Abstract
Connector shell and connector, connector comprises housing and terminal position assuring member.This housing has front-end and back-end in terminal insertion direction, and housing comprises at least one terminal reception portion and terminal buckle, and the bottom in terminal reception portion comprises the cantilever extended forward.Terminal position assuring member has cantilever acceptance division.Connector also comprises at least one in the first boss and the second boss, and the first boss protrudes from the upper surface bottom terminal reception portion and extends along terminal insertion direction, and the second boss protrudes from the end face of cantilever acceptance division and extends along terminal insertion direction.According to connector shell of the present utility model and connector, after terminal position assuring member is connected with housing prelock, terminal position assuring member confining force is in the housing improved, can effectively prevent because of transport in vibrations or operator misoperation and be mistakenly inserted lock position.
Description
Technical field
The utility model relates to connector shell and connector.
Background technology
Current connector, as automotive connector, uses terminal position assuring member (Terminal Position Assurance or TPA) to insert the form of housing to realize the secondary locking function of terminal more.In some connector, in housing, be provided with cantilever, terminal position assuring member TPA be provided with cantilever reception cavity, realize prelock between housing with TPA by cantilever and the cooperation of cantilever reception cavity and locking is connected.
But under current syndeton, the confining force of TPA is less than normal, thus causes TPA to be mistakenly inserted lock position by prelock positions, make connector misoperation.Such as in automotive connector, TPA must have enough confining forces in the prelock positions of housing, just can prevent because of transport in vibrations or operator misoperation and be mistakenly inserted lock position.
Utility model content
The purpose of this utility model is to provide a kind of connector shell and connector, and this connector shell and connector can overcome certain or some defect of above-mentioned prior art.
According to a first aspect of the invention, provide a kind of connector shell, housing has front-end and back-end in terminal insertion direction, and housing comprises:
At least one terminal reception portion, the bottom in terminal reception portion comprises the cantilever extended forward;
Terminal buckle, this terminal buckle is arranged on upper bottom terminal reception portion and extends along terminal insertion direction; And
First boss, this first boss protrudes from the upper surface bottom terminal reception portion and extends along terminal insertion direction.
Preferably, the upper surface bottom terminal reception portion comprises downward-sloping inclined plane, and wherein the first boss is arranged on this inclined plane.Further preferably, the upper surface bottom terminal reception portion is divided into horizontal plane and downward-sloping inclined plane from back to front, and wherein the first boss is arranged on inclined plane.More preferably, the upper surface of the first boss and horizontal plane are positioned at same plane.
Preferably, the upper surface of the first boss is parallel with terminal insertion direction.
Preferably, terminal reception portion bottom lower surface is provided with the clamping boss protruding from this lower surface.
According to a second aspect of the invention, a kind of connector is provided, comprises:
Housing, this housing has front-end and back-end in terminal insertion direction, and housing comprises:
At least one terminal reception portion, the bottom in terminal reception portion comprises the cantilever extended forward; With
Terminal buckle, this terminal buckle is arranged on upper bottom terminal reception portion and extends along direction of insertion, and
Terminal position assuring member, has cantilever acceptance division, and terminal position assuring member can insert from the front end of housing and extract housing;
Connector also comprises at least one in the first boss and the second boss, and the first boss protrudes from the upper surface bottom terminal reception portion and extends along terminal insertion direction, and the second boss protrudes from the end face of cantilever acceptance division and extends along terminal insertion direction.
Preferably, connector comprises the first boss.
More preferably, the upper surface of the first boss is parallel with terminal insertion direction.
More preferably, the upper surface bottom terminal reception portion comprises downward-sloping inclined plane, and wherein the first boss is arranged on this inclined plane.
Further preferably, the upper surface bottom terminal reception portion is divided into horizontal plane and downward-sloping inclined plane from back to front, and wherein the first boss is arranged on inclined plane.Again preferably, the upper surface of the first boss and horizontal plane are positioned at same plane.
Preferably, connector comprises the first boss and the second boss.More preferably, the first boss is corresponding with the second boss.
Preferably, terminal reception portion bottom lower surface is provided with the clamping boss protruding from this lower surface.
Preferably, the bottom surface of cantilever acceptance division is arranged at intervals with prelock boss and locking boss.
More preferably, prelock boss and locking boss have rear-inclined guide surface and front vertical locking face from back to front all respectively.
According to connector shell of the present utility model and connector, after terminal position assuring member is connected with housing prelock, terminal position assuring member confining force is in the housing improved, can effectively prevent because of transport in vibrations or operator misoperation and be mistakenly inserted lock position.
Accompanying drawing explanation
Fig. 1 is the perspective cross-sectional schematic diagram according to connector shell of the present utility model;
Fig. 2 is the plan cross-section schematic diagram according to connector shell of the present utility model;
Fig. 3 is the bracketed part amplification view of connector shell;
Fig. 4 is the schematic perspective view of TPA;
Fig. 5 is another schematic perspective view of the TPA shown in Fig. 4;
Fig. 6 is that TPA and housing assemble schematic perspective view;
Fig. 7 to be TPA with housing be in schematic diagram that locking is connected; And
Fig. 8-10 is respectively TPA and housing assembling process schematic diagram.
Embodiment
Connector shell of the present utility model and connector is described in detail below in conjunction with accompanying drawing.It will be appreciated by those skilled in the art that embodiment described below is only to exemplary illustration of the present utility model, but not for making any restriction to it.Label identical in whole accompanying drawing represents same or analogous parts.
See Fig. 1-3, be used for receiving and fixed terminal according to connector shell 10 of the present utility model.Housing 10 has front end 10a and rear end 10b in terminal insertion direction, and rear end terminal is inserted into housing 10 from the rear end 10b of housing usually.Housing 10 has at least one terminal reception portion 11, terminal buckle 13 and the first boss 14.Terminal reception portion 11 can be used for receiving rear end terminal, and the bottom 11a in terminal reception portion 11 comprises cantilever (outstanding platform) 12, and cantilever 12 extends forward in terminal insertion direction.Terminal buckle 13 to be arranged on bottom terminal reception portion on 11a and to extend along terminal insertion direction; When in rear end terminal insertion to housing 10, terminal buckle 13 can be fixed spacing to terminal.First boss 14 protrudes from the upper surface of 11a bottom terminal reception portion and extends along terminal insertion direction.The upper surface of the first boss 14 is parallel with terminal insertion direction, and the number of the first boss 14 does not limit, and can arrange as required.
Housing 10 is formed by moulding technology integrated injection molding usually, and due to the restriction of moulding technology, the usual comparatively front end, rear end of cantilever 12 tilts slightly downward, and therefore the upper surface of cantilever 12 is divided into horizontal plane 15 and downward-sloping inclined plane 16 from back to front.In this case, the first boss 14 is arranged on inclined plane 16, and the upper surface of the first boss 14 and horizontal plane 15 remain in same plane, thus meets the requirement of housing 10 one moulding technology.Cantilever 12 end is provided with the clamping boss 17 protruding from cantilever 12 lower surface, is used for carrying out clamping with terminal position assuring member (TPA) hereinafter described.
See Fig. 4-7, mainly comprise above-mentioned connector shell 10 and TPA20 according to connector of the present utility model.TPA20 assembles from the front end 10a of housing 10 and housing 10 usually, comprises and inserts and extract housing 10.In assembling process, TPA20 and housing 10 have prelock positions (prelock is connected) and lock position (locking connects), usually before terminal insertion housing 10, TPA20 and housing 10 are in prelock positions, thus facilitate the transport of connector, deposit and finally assemble.When terminal is from after rear end 10b is inserted into housing 10, when needing to lock and connect terminal, TPA20 and housing 10 again from prelock positions relative motion to lock position, thus lock and connect the terminal in housing 10.TPA20 has terminal receipt hole usually, is used for receiving front-end terminal, and front end terminal by being inserted in housing 10 after the terminal receipt hole of TPA20, thus is electrically connected with rear end terminal again.TPA20 is also formed by moulding technology integrated injection molding usually.
TPA20 has cantilever acceptance division 21, is used for receiving cantilever 12.The end face 22 of cantilever acceptance division 21 is extended with second boss 24 corresponding with the first boss 14 along the longitudinal direction, when in TPA20 and housing 10 assembling process, cantilever 12 coordinates with cantilever acceptance division 21, and the first boss 14 abuts (interference fit) with the second boss 24.First boss 14 and the second boss 24 are generally the multiple of parallel interval.Number and the size of the first boss 14 and the second boss 24 can carry out selecting and determining according to required confining force.In the embodiment shown in the drawings, the first boss 14 and the second boss 24 are all two of parallel interval.
First boss 14 and the second boss 24 are all the pre-confining forces in order to increase when housing 10 and TPA20 assembling, therefore those skilled in the art should also be understood that only can have the first boss 14 according to actual needs according to connector of the present invention, only have the second boss 24 or have the first boss 14 and the second boss 24 simultaneously.
The bottom surface 23 of cantilever acceptance division 21 is arranged at intervals with from back to front prelock boss 25 and locking boss 26, is used for carrying out spacing to the clamping boss 17 in housing 10.Keep at a certain distance away between prelock boss 25 and locking boss 26 (equal or slightly larger than clamping boss 17 width in the longitudinal direction) thus form groove, in TPA20 and housing 10 assembling process, when clamping boss 17 is arranged in this groove, then TPA20 and housing 10 are in prelock positions.Prelock boss 25 has rear-inclined guide surface and front vertical locking face from back to front, and rear-inclined guide surface is used for guiding clamping boss 17 to cross prelock boss 25 and enters prelock positions, and rear vertical locking face is used for carrying out spacing to clamping boss 17, limits it and back moves.Locking boss 26 also has the rear-inclined guide surface of corresponding function and front vertical locking face.In order to the needs of the one moulding technology demoulding, prelock boss 25 and locking boss 26 stagger in the longitudinal direction and arrange (not point-blank).Locking boss 26 can be included in two boss direction transverse to fore-and-aft direction aliging and arranges, to make clamping boss 17 dynamic balance when crossing locking boss 26.
Below by the assembling process specifically introducing TPA20 and housing 10 see Fig. 8-10.Fig. 8 is assembling incipient stage schematic diagram, TPA20 and housing 10 relative motion in the longitudinal direction, and clamping boss 17 first contacts with the rear-inclined guide surface of prelock boss 25, after crossing prelock boss 25, arrives the prelock positions shown in Fig. 9.Now, in the groove of clamping boss 17 between prelock boss 25 and locking boss 26, the front vertical locking of prelock boss 25 carries out spacing in the face of clamping boss 17, prevents it from travelling forward.Like this, TPA20 just keeps prelock to be connected with housing 10.When need to the front end terminal be inserted in housing 10 and/or rear end terminal carry out locking fix time, TPA20 and housing 10 continue relative motion in the longitudinal direction, clamping boss 17 first contacts with the rear-inclined guide surface of locking boss 26, after crossing locking boss 26, arrive the whole lock position shown in Figure 10.Now, clamping boss 17 is spacing by locking face vertical before locking boss 26, and the corresponding mechanism on TPA20 and housing 10 locks to front end terminal and/or rear end terminal and puts in place.
According to connector of the present utility model, when not changing original cantilever 12 overall dimension (comprising length, width and height), by arranging the first boss 14 and/or the second boss 24 on the cantilever 12 of housing 10 and the cantilever acceptance division 21 of TPA20, after TPA20 is connected with housing 10 prelock, TPA20 confining force is in the housing 10 improved, can effectively prevent because of transport in vibrations or operator misoperation and be mistakenly inserted lock position.In addition, when TPA20 extracts from housing 10, the first boss 14 and/or the second boss 24 form freely supported structure, also can relatively successfully realize extracting, and avoid whole mating surface all to form freely supported structure and cause TPA20 cannot extract from housing 10.
Position mentioned herein or direction term " front " and " afterwards " only to define with understanding for convenience of description relatively, those skilled in the art should understand that, according to the disposing way of connector, " front " and " afterwards " herein also can be understood as " left side " and " right side ", "up" and "down".
Although will be described the utility model with reference to the embodiment shown in accompanying drawing, but be to be understood that, when not deviating from the spirit and scope of the utility model instruction, connector shell of the present utility model and connector can also have many versions.All parts in the utility model in different embodiment; when the spirit of instructing without prejudice to the utility model and invention; can carry out exchanging and reconfiguring, the connector shell obtained thus and connector drop in protection range of the present utility model equally.Those of ordinary skill in the art also have different modes to change the parameter of disclosed execution mode by recognizing, the such as type of size, shape or element or material, all falls in the spirit and scope of the utility model and claim.
Claims (17)
1. a connector shell, housing has front-end and back-end in terminal insertion direction, it is characterized in that, housing comprises:
At least one terminal reception portion, the bottom in terminal reception portion comprises the cantilever extended forward;
Terminal buckle, this terminal buckle is arranged on upper bottom terminal reception portion and extends along terminal insertion direction; And
First boss, this first boss protrudes from the upper surface bottom terminal reception portion and extends along terminal insertion direction.
2. connector shell according to claim 1, is characterized in that, the upper surface bottom terminal reception portion comprises downward-sloping inclined plane, and wherein the first boss is arranged on this inclined plane.
3. connector shell according to claim 2, is characterized in that, the upper surface bottom terminal reception portion is divided into horizontal plane and downward-sloping inclined plane from back to front, and wherein the first boss is arranged on inclined plane.
4. connector shell according to claim 3, is characterized in that, upper surface and the horizontal plane of the first boss are positioned at same plane.
5. connector shell according to claim 1, is characterized in that, the upper surface of the first boss is parallel with terminal insertion direction.
6. connector shell according to claim 1, is characterized in that, terminal reception portion bottom lower surface is provided with the clamping boss protruding from this lower surface.
7. a connector, comprising:
Housing, this housing has front-end and back-end in terminal insertion direction, and housing comprises:
At least one terminal reception portion, the bottom in terminal reception portion comprises the cantilever extended forward; With
Terminal buckle, this terminal buckle is arranged on upper bottom terminal reception portion and extends along direction of insertion, and
Terminal position assuring member, has cantilever acceptance division, and terminal position assuring member can insert from the front end of housing and extract housing;
It is characterized in that, connector also comprises at least one in the first boss and the second boss, first boss protrudes from the upper surface bottom terminal reception portion and extends along terminal insertion direction, and the second boss protrudes from the end face of cantilever acceptance division and extends along terminal insertion direction.
8. connector according to claim 7, is characterized in that, connector comprises the first boss.
9. connector according to claim 8, is characterized in that, the upper surface of the first boss is parallel with terminal insertion direction.
10. connector according to claim 8, is characterized in that, the upper surface bottom terminal reception portion comprises downward-sloping inclined plane, and wherein the first boss is arranged on this inclined plane.
11. connectors according to claim 10, is characterized in that, the upper surface bottom terminal reception portion is divided into horizontal plane and downward-sloping inclined plane from back to front, and wherein the first boss is arranged on inclined plane.
12. connectors according to claim 11, is characterized in that, upper surface and the horizontal plane of the first boss are positioned at same plane.
13. connectors according to claim 7, is characterized in that, connector comprises the first boss and the second boss.
14. connectors according to claim 13, is characterized in that, the first boss is corresponding with the second boss.
15. connectors according to claim 7, is characterized in that, terminal reception portion bottom lower surface is provided with the clamping boss protruding from this lower surface.
16. connectors according to claim 7, is characterized in that, the bottom surface of cantilever acceptance division are arranged at intervals with prelock boss and locking boss.
17. connectors according to claim 16, is characterized in that, prelock boss and locking boss have rear-inclined guide surface and front vertical locking face from back to front all respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420557097.1U CN204156191U (en) | 2014-09-25 | 2014-09-25 | Connector shell and connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420557097.1U CN204156191U (en) | 2014-09-25 | 2014-09-25 | Connector shell and connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204156191U true CN204156191U (en) | 2015-02-11 |
Family
ID=52514280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420557097.1U Expired - Fee Related CN204156191U (en) | 2014-09-25 | 2014-09-25 | Connector shell and connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204156191U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107453131A (en) * | 2016-05-31 | 2017-12-08 | 泰科电子(上海)有限公司 | Secondary lock, connection component, connector and connector assembly |
-
2014
- 2014-09-25 CN CN201420557097.1U patent/CN204156191U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107453131A (en) * | 2016-05-31 | 2017-12-08 | 泰科电子(上海)有限公司 | Secondary lock, connection component, connector and connector assembly |
| CN107453131B (en) * | 2016-05-31 | 2024-04-16 | 泰科电子(上海)有限公司 | A secondary lock a connecting component connector and connector assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150211 Termination date: 20210925 |