CN113644498A - Signal interlocking connector - Google Patents
Signal interlocking connector Download PDFInfo
- Publication number
- CN113644498A CN113644498A CN202110831334.3A CN202110831334A CN113644498A CN 113644498 A CN113644498 A CN 113644498A CN 202110831334 A CN202110831334 A CN 202110831334A CN 113644498 A CN113644498 A CN 113644498A
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- Prior art keywords
- interlocking
- signal
- shell
- plug
- socket
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- 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.)
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Links
- 238000007789 sealing Methods 0.000 claims description 13
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 6
- 230000003044 adaptive effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
-
- 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
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5202—Sealing means between parts of housing or between housing part and a wall, e.g. sealing rings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention relates to a signal interlocking connector, which comprises a plug and a socket with opposite plug at the front end, and also comprises an interlocking signal part which is assembled in a plug shell in a sliding way along the plugging and closing direction of the plug and the socket, wherein the interlocking signal part comprises a signal interlocking shell and an interlocking short-circuit jack; the interlocking signal component is provided with a locking position and an unlocking position in the sliding stroke, when the interlocking signal component is positioned at the locking position, the signal interlocking shell is matched and locked with the plug and the socket simultaneously, and the interlocking short circuit jack is inserted and communicated with the interlocking contact pin at the socket end; when the signal interlocking plug is located at the unlocking position, the signal interlocking shell is unlocked with the socket end, and the interlocking short circuit jack is separated from the interlocking pin at the socket end. According to the invention, the signal interlocking loop is added in the secondary locking structure, the normal work of the secondary locking structure is monitored through an electric signal, when the secondary locking structure is not installed in place, the signal interlocking loop is not conducted, and when the secondary locking structure is installed in place, the signal interlocking loop is conducted, so that the secondary locking state can be monitored in real time.
Description
Technical Field
The invention belongs to the technical field of connectors, and particularly relates to a signal interlocking connector.
Background
The connector has wide application in a power battery system and a motor system of a new energy automobile and plays an important role in the driving process of the automobile. When the connector is locked, the connector not only depends on a locking structure between the plug and the socket, but also relates to an auxiliary locking structure between the header seats, namely a CPA (connector Position Assistant) system.
Whether present connector secondary locking structure is installed in place and only relies on manual identification to the vibration environment of car driving in-process probably causes the secondary lock pine to take off, if can not take off secondary lock and carry out timely effectual monitoring, the connector headstock just is in the dangerous state of probably separating, the security of driving of the influence of very big degree.
Disclosure of Invention
In order to solve the problems, the invention provides a signal interlocking connector with a novel structure, which is characterized in that a signal interlocking loop is added in a secondary locking structure, the normal work of the secondary locking structure is monitored through an electric signal, and when the secondary locking structure is not installed in place, the signal interlocking loop is not conducted; when the secondary locking structure is installed in place, the signal interlocking loop is conducted.
The purpose of the invention and the technical problem to be solved are realized by adopting the following technical scheme. The invention provides a signal interlocking connector, which comprises a plug and a socket with opposite plug at the front end, and an interlocking signal part which is assembled in a plug shell in a sliding way along the plugging and closing direction of the plug and the socket, wherein the interlocking signal part comprises a signal interlocking shell and an interlocking short circuit jack; the interlocking signal component is provided with a locking position and an unlocking position in the sliding stroke, when the interlocking signal component is positioned at the locking position, the signal interlocking shell is matched and locked with the plug and the socket simultaneously, and the interlocking short circuit jack is inserted and communicated with the interlocking contact pin at the socket end; when the signal interlocking plug is located at the unlocking position, the signal interlocking shell is unlocked with the socket end, and the interlocking short circuit jack is separated from the interlocking pin at the socket end.
The object of the present invention and the technical problems solved thereby can be further achieved by the following technical measures.
In the signal interlocking connector, the housings of the plug and the socket are provided with the clamping table and the clamping hook which are matched and locked, and the plug and the socket are locked once through the clamping table and the clamping hook and then locked secondarily through the signal interlocking housing.
In the signal interlocking connector, the signal interlocking housing is locked with the socket through the matching of the locking part at the front end of the locking arm of the signal interlocking housing and the locking part on the cantilever of the socket housing, and the signal interlocking housing is also locked with the plug through the matching of the groove E on the outer side of the signal interlocking housing and the protrusion E in the plug housing.
The locking arm is an elastic cantilever extending out of the front end of the signal interlocking shell, a convex part B, a groove D and a barb D are sequentially arranged on the inner side of the front end of the locking arm from front to back, a protrusion B matched and locked with the groove D and a groove A used for accommodating the convex part B are sequentially arranged on the outer side of the front end of the cantilever at the socket end from front to back, and the front end face of the convex part B is an inclined plane with an inserting and combining guiding function.
In the signal interlock connector, the card table for realizing the one-time locking of the socket end is a protrusion c on the cantilever, and the groove a is formed by the protrusion c and the protrusion b together.
In the signal interlock connector, a stop surface F is formed between the part of the front end of the cantilever extending out of the protrusion b along the insertion direction of the connector and the protrusion b, and the stop surface F is matched with the barb D for limiting.
In the signal interlocking connector, the plug housing is further provided with a limiting part for keeping the interlocking signal part at the unlocking position, and the protrusion b at the socket end can jack up the front end of the locking arm so that the locking arm can move from the unlocking position to the locking position.
In the signal interlocking connector, the top of the limiting part is provided with the convex hull blocked on the sliding route of the locking arm, and the convex hull of the limiting part can be separated from the inverted hook D by jacking the front end of the locking arm by the bulge B, so that the convex part B at the front end of the locking arm enters the groove A, and meanwhile, the convex hull enters the groove D to realize locking.
According to the signal interlocking connector, the signal interlocking shell and the plug shell are matched through the groove and the convex strip which extend along the axial direction to realize sliding guide and limiting between the signal interlocking shell and the plug shell.
In the signal interlocking connector, the periphery of the front end of the interlocking signal shell is also provided with an interlocking signal sealing rubber ring for sealing with the plug shell.
Compared with the prior art, the invention has obvious advantages and beneficial effects. By means of the technical scheme, the invention can achieve considerable technical progress and practicability, has wide industrial utilization value and at least has the following advantages: according to the invention, the signal interlocking loop is added in the secondary locking structure without a power assisting device, so that the state of the signal interlocking loop can be monitored. When the secondary locking structure is installed in place, the signal interlocking loop is conducted. When the secondary locking structure is not installed in place or the secondary locking structure is loosened due to vibration and other environmental influences in the running process of the vehicle, the signal interlocking loop is disconnected. The secondary locking state can be monitored in real time, and the connector is safer and more reliable to use.
Drawings
FIG. 1 is a perspective view of a signal interlock connector of the present invention;
FIG. 2 is a schematic diagram of a signal interlock connector interlock signal feature;
FIG. 3 is a cross-sectional view of a signal interlock connector interlock signal member;
FIG. 4 is a schematic view of the connector prior to one-time locking;
FIG. 5 is a cross-sectional view of the connector prior to one-time locking;
FIG. 6 is a cross-sectional view of a contact before one-time locking;
FIG. 7 is a schematic view of the connector in a locked position;
FIG. 8 is a cross-sectional view of the connector in a one-time locked position;
FIG. 9 is a cross-sectional view of the connector M-M in a locked position;
FIG. 10 is a schematic view of the connector in the secondary locking position;
figure 11 is a cross-sectional view of the connector in the secondary locking position.
[ description of main element symbols ]
1: socket with improved structure
2: plug with a locking mechanism
3: interlocking signal component
4: socket shell
5: power contact pin
6: signal contact pin
7: interlocking pin
8: plug shell
9: plug sealing rubber ring
10: insulator
11: jack sheath
12: power contact jack
13: tail cover
14: wire sealing body
15: signal interlocking shell
16: interlocking signal sealing rubber ring
17: interlocking short circuit jack
18: locking arm
19: cantilever arm
20: limiting part
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the signal interlock connector according to the present invention, its structure, features and effects will be made with reference to the accompanying drawings and preferred embodiments.
Please refer to fig. 1-11, which are schematic structural views of parts of a signal interlock connector according to the present invention, the connector includes a socket 1 and a plug 2 with front ends inserted into each other, wherein the socket 1 includes a socket housing 4 and power contact pins 5, signal pins 6 and interlock pins 7 assembled in the socket housing 4; the plug 2 comprises a plug housing 8, in which a power contact socket 12 is fixedly mounted by means of a socket sheath 11, and an insulator 10 mounted in the plug housing 8. The front end of the plug shell 8 is also provided with a plug sealing rubber ring 9 for sealing the insertion surface when the plug and the socket are inserted. The tail part of the plug shell 8 is also provided with a tail cover 13 and a wire sealing body 14.
The plug shell 8 and the plug shell 4 realize one-time locking after the plug and the socket are plugged through the adaptive one-time locking clamping table and the adaptive one-time locking clamping hook. In the embodiment of the invention, the primary locking clamping table is a bulge C on the periphery of the front end of the socket shell 4, the primary locking clamping hook is a barb C on the front end of the plug shell 8, and the primary locking clamping table and the barb C are matched with each other to realize primary locking of the connector. In the embodiment of the invention, the front end surfaces of the primary locking hook and the primary locking clamping table are inclined surfaces with the insertion guiding function.
The connector further comprises an interlocking signal part 3 sliding along the insertion direction of the plug 2 and the socket 1, the interlocking signal part 3 is assembled in the plug housing 8, and the interlocking signal part 3 comprises a locking arm 18 used for realizing secondary locking and unlocking between the socket 1 and the plug 2 and an interlocking short circuit jack 17 used for detecting whether the secondary locking structure is in a locking state or not.
The interlocking signal component 3 has a locking position and an unlocking position in the sliding stroke, when the interlocking signal component is located at the locking position, the locking arm 18 on the interlocking signal component 3 is matched and locked with the corresponding secondary locking part in the socket 1 through the locking part at the front end of the interlocking signal component, at the moment, a signal interlocking loop is conducted, when the interlocking signal component is located at the unlocking position, the locking part at the front end of the interlocking signal component locking arm 18 is unlocked with the secondary locking part in the socket 1, and at the moment, the signal interlocking loop is disconnected.
In the embodiment of the present invention, the locking arm 18 is an elastic cantilever extending from the front end of the signal interlock housing 15, and the interlock shorting jack 17 is fixedly assembled at the front end of the signal interlock housing 15 and is inserted into the interlock pin 7 in the socket housing 4 when the interlock signal component 3 reaches the locking position, so as to achieve the conduction of the signal interlock loop. The periphery of the front end of the interlocking signal shell 15 is also provided with an interlocking signal sealing rubber ring 16, the interlocking signal sealing rubber ring 16 is used for realizing sealing between the interlocking signal shell 15 and the plug shell 8, and liquid is prevented from entering the plug shell 8 from an interlocking signal part to influence a contact element.
In the embodiment of the present invention, the signal interlock housing 15 is slidably fitted in the mounting hole extending in the axial direction in the plug housing 8, and the sliding guidance and the radial limitation of the signal interlock housing 15 and the mounting hole are realized by the cooperation of the groove and the convex strip extending in the axial direction.
In the embodiment of the present invention, a groove and a protrusion adapted to lock when the connector is locked for the second time are further provided between the signal interlock housing 15 and the plug housing. Preferably, a groove E is formed on the signal interlocking housing 15, and a protrusion E adapted to the groove E is formed at a corresponding position on the plug housing 8.
The front end of the locking arm 18 protrudes inwards to form a convex part B with a front end surface being a guide inclined surface, the locking arm 18 is further provided with a barb D at the rear end of the convex part B, and a groove D is formed between the barb D and the convex part B. A cantilever 19 extends out of the front end of the socket shell, a protrusion B which is matched and locked with a groove d in the inner side of the front end of the locking arm is formed on the outer side of the front end of the cantilever 19, a groove A which is used for accommodating a convex part B at the front end of the locking arm is further arranged at the position behind the protrusion B on the outer side of the cantilever 19, the front end surface of the convex part B is in blocking fit with the rear side wall body of the groove A, and axial limiting between the interlocking signal part 3 and the socket shell is achieved.
In the embodiment of the present invention, the protrusion c is located on the socket cantilever 19, and the protrusion c is located at a position behind the recess a, and the recess a is formed by the protrusion c and the protrusion b. Preferably, the front and rear walls of the groove a are inclined surfaces, but not limited thereto.
In the embodiment of the present invention, a stop surface F is formed between the portion of the front end of the cantilever extending out of the protrusion b along the insertion direction of the connector and the protrusion b, and when the secondary locking is performed in place, the locking signal portion 3 locks the barb D on the arm to be matched with the stop surface F for limiting, but is not limited thereto.
The plug housing 8 is further provided with a limiting portion 20 for keeping the interlocking signal part 3 at the unlocking position, the top of the limiting portion 20 is provided with a convex hull 21 blocked on the axial sliding route of the locking arm 18, the convex hull 21 can jack the convex part B at the front end of the locking arm into the groove D, and at the moment, the rear end surface a of the convex hull is matched with the front end surface of the barb D on the interlocking signal part 3 to realize axial blocking and limiting, so that the signal interlocking housing 15 cannot be pushed along the direction i (the connector plugging direction) before one-time locking, and the CPA function is met. Preferably, when the barbs D are engaged with the rear end surface a of the convex closure 21 for limiting, the rear end surface of the signal interlocking housing 15 and the corresponding surface in the plug housing 8 are stopped for limiting, so as to realize axial limiting of the signal interlocking housing 15 in the plug housing.
The rear end face of the lower part of the limiting part 20 is a face capable of stopping and limiting with the front end face of the signal interlocking shell 15 when the secondary locking is in place, so as to prevent the interlocking signal part 3 from continuing to move forward when reaching the locking position, and damage is caused.
Before the plug 2 and the socket 1 are plugged, the barb D on the interlocking signal part 3 is matched with the end face a on the plug shell 8, so that the signal interlocking shell 15 cannot be pushed along the direction i when the primary lock is not acted, and the CPA function is met. At this time, the signal interlocking pin 7 and the interlocking short circuit jack 17 are not in contact, a closed loop is not formed, and the unlocked state of the secondary locking mechanism at this time can be monitored through an electric signal.
In the process of oppositely inserting the plug 2 and the socket 1, the protrusion C on the plug shell 8 and the inverted hook C of the socket shell 4 are matched to form primary locking, so that the headstock is prevented from being separated. In the process, the bulge B on the socket shell 4 pushes the convex part B at the front end of the locking arm of the signal interlocking shell 15 through extrusion, and the front end of the locking arm is pushed upwards obliquely due to the inclined plane at the front end of the convex part B, so that the front end of the locking arm 15 is tilted, the A-a matching end surface is separated, the axial limit is released, and the signal interlocking shell can be pushed along the direction i at the moment. In the process of pushing the signal interlocking shell along the direction i, the groove E on the signal interlocking shell 15 is matched with the protrusion E on the plug shell 8, the protrusion b on the socket shell 4 enters the groove D on the signal interlocking shell 15, the front end face of the protrusion b is matched with the barb D for limitation, and secondary locking is completed. At this time, the convex part B at the front end of the signal interlocking shell 15 is located in the groove a on the socket shell, and the interlocking pin 7 is in contact with the interlocking short-circuit jack 17, that is, the state of the secondary lock can be monitored through an electric signal.
This connector increases signal interlocking loop in secondary locking structure, through the normal work of signal of telecommunication monitoring secondary locking structure. When the secondary locking structure is not installed in place, the signal interlocking loop is not conducted. When the secondary locking structure is installed in place, the signal interlocking loop is conducted.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A signal interlock connector comprising a plug and a socket to which front ends are mated, characterized in that: the interlocking signal component is assembled in the plug shell in a sliding mode along the plug and socket plugging direction and comprises a signal interlocking shell and an interlocking short circuit jack; the interlocking signal component is provided with a locking position and an unlocking position in the sliding stroke, when the interlocking signal component is positioned at the locking position, the signal interlocking shell is matched and locked with the plug and the socket simultaneously, and the interlocking short circuit jack is inserted and communicated with the interlocking contact pin at the socket end; when the signal interlocking plug is located at the unlocking position, the signal interlocking shell is unlocked with the socket end, and the interlocking short circuit jack is separated from the interlocking pin at the socket end.
2. The signal interlock connector of claim 1, wherein: the shell of the plug and the shell of the socket are provided with a clamping table and a clamping hook which are matched and locked, and the plug and the socket are locked once through the clamping table and the clamping hook and then locked secondarily through the signal interlocking shell.
3. The signal interlock connector of claim 2, wherein: the signal interlocking shell is locked with the socket through the matching of a locking part at the front end of a locking arm of the signal interlocking shell and a locking part on a cantilever of the socket shell, and is also locked with the plug through the matching of a groove E on the outer side of the signal interlocking shell and a protrusion E in the plug shell.
4. The signal interlock connector of claim 3, wherein: the locking arm is an elastic cantilever extending out of the front end of the signal interlocking shell, a convex part B, a groove D and a barb D are sequentially arranged on the inner side of the front end of the locking arm from front to back, a protrusion B matched with the groove D for locking and a groove A used for accommodating the convex part B are sequentially arranged on the outer side of the front end of the cantilever at the socket end from front to back, and the front end face of the convex part B is an inclined plane with an inserting and closing guide effect.
5. The signal interlock connector of claim 4, wherein: the clamping table for realizing one-time locking at the socket end is a protrusion c on the cantilever, and the groove A is formed by the protrusion c and the protrusion b together.
6. The signal interlock connector of claim 4, wherein: and a stop surface F is formed between the part of the front end of the cantilever extending out of the bulge b along the insertion direction of the connector and the bulge b, and the stop surface F is matched with the inverted hook D for limiting.
7. The signal interlock connector of claim 4, wherein: the plug shell is also provided with a limiting part used for keeping the interlocking signal part at the unlocking position, and the bulge b at the socket end can jack up the front end of the locking arm to enable the locking arm to move to the locking position from the unlocking position.
8. The signal interlock connector of claim 7, wherein: the top of the limiting part is provided with a convex hull which is blocked on a sliding route of the locking arm, and the convex hull of the limiting part can be separated from the inverted hook D by jacking the front end of the locking arm through the bulge B, so that the convex part B at the front end of the locking arm enters the groove A, and the convex hull enters the groove D to realize locking.
9. The signal interlock connector of claim 1, wherein: the signal interlocking shell and the plug shell are matched through a groove and a convex strip which extend along the axial direction to realize sliding guide and limiting between the signal interlocking shell and the plug shell.
10. The signal interlock connector of claim 1, wherein: the periphery of the front end of the interlocking signal shell is also provided with an interlocking signal sealing rubber ring for realizing sealing with the plug shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110831334.3A CN113644498A (en) | 2021-07-22 | 2021-07-22 | Signal interlocking connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110831334.3A CN113644498A (en) | 2021-07-22 | 2021-07-22 | Signal interlocking connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113644498A true CN113644498A (en) | 2021-11-12 |
Family
ID=78418109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110831334.3A Pending CN113644498A (en) | 2021-07-22 | 2021-07-22 | Signal interlocking connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113644498A (en) |
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| CN208889998U (en) * | 2018-08-29 | 2019-05-21 | 广东林一新能源科技有限公司 | A kind of key set lock catch structure of high current connector |
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| CN209169521U (en) * | 2018-12-27 | 2019-07-26 | 南京康尼新能源汽车零部件有限公司 | Three-stage electric connector locking component |
| CN110176682A (en) * | 2018-08-21 | 2019-08-27 | 中航光电科技股份有限公司 | Connector assembly and its plug |
| CN111585103A (en) * | 2020-06-22 | 2020-08-25 | 中航光电科技股份有限公司 | CPA promotes interlocking structure |
| CN111656619A (en) * | 2018-03-12 | 2020-09-11 | J.S.T.公司 | Electrical connector with CPA |
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2021
- 2021-07-22 CN CN202110831334.3A patent/CN113644498A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020115332A1 (en) * | 2001-02-16 | 2002-08-22 | Myer John Mark | Connector position assurance device for a sealed connector |
| CN203300885U (en) * | 2013-06-07 | 2013-11-20 | 广州汽车集团股份有限公司 | High-voltage interlocking loop system and quick connecting device thereof |
| CN103427234A (en) * | 2013-08-01 | 2013-12-04 | 苏州智绿环保科技有限公司 | High-voltage interlocking plug connector |
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| CN209169521U (en) * | 2018-12-27 | 2019-07-26 | 南京康尼新能源汽车零部件有限公司 | Three-stage electric connector locking component |
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