CN114171961B - Blind fitting design for male and female connector - Google Patents
Blind fitting design for male and female connector Download PDFInfo
- Publication number
- CN114171961B CN114171961B CN202111270909.5A CN202111270909A CN114171961B CN 114171961 B CN114171961 B CN 114171961B CN 202111270909 A CN202111270909 A CN 202111270909A CN 114171961 B CN114171961 B CN 114171961B
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- connector
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- fit
- fixedly connected
- connecting shaft
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- 238000009434 installation Methods 0.000 claims abstract description 19
- 230000002093 peripheral effect Effects 0.000 claims description 20
- 238000007789 sealing Methods 0.000 claims description 6
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- 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
- H01R13/502—Bases; Cases composed of different pieces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
- H01R13/42—Securing in a demountable manner
-
- 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
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
Abstract
The invention discloses a blind installation design of a concave-convex joint connector, and relates to the technical field of joint connectors. The invention includes an inner connector housing and an outer connector housing; the inner connector shell is in threaded rotation fit with the outer connector shell; the inner wall of the outer connector shell is rotatably matched with a first rotating piece; the first rotating piece is in plug-in fit with a concave joint component; the inner wall of the inner connector shell is rotatably matched with a second rotating piece; the second rotating piece is in plug-in fit with a convex joint component; the male connector component is in plug-in fit with the female connector component; the external thread is in threaded rotation fit with the connecting threaded hole. When the blind assembly is carried out, if the male connector is not inserted into the female connector, the threads of the male connector cannot be meshed; meanwhile, the inclined opening guiding auxiliary design is adopted at the top end of the concave connector of the connector, the concave connector is rotated through the convex connector, the convex connector smoothly enters the groove under the guiding of the inclined opening guiding, the blind assembly of the concave-convex connector is realized, and the installation efficiency of the concave-convex connector is improved.
Description
Technical Field
The invention belongs to the technical field of joint connectors, and particularly relates to a blind installation design of a concave-convex joint connector.
Background
The odometer interfaces of some domestic vehicles are all adopting concave-convex joint connectors, the chassis of the vehicle is a convex joint, the odometer end is adopting a concave joint, and the concave-convex joint connectors are screwed and fixed by the threads of the connectors after the convex joint of the connectors is inserted into the concave joint.
When the concave-convex joint connector is installed, the convex joint of the connector cannot be inserted into the concave joint through direct vision, most of the convex joint of the connector can prop against the top end of the concave joint of the connector when the convex joint of the connector is inserted into the concave joint, the convex joint of the connector needs to be pulled out again for installation, if the convex joint of the connector is screwed in through threads by applying strong force, the concave joint of the odometer end is damaged frequently during installation, and even the transmission part of the odometer is damaged; meanwhile, the convex joint and the concave joint in the existing concave-convex joint connector are respectively designed integrally, once the convex joint and the concave joint are damaged in the installation process, the concave-convex joint connector is scrapped integrally, the use cost is high, the damaged concave-convex joint connector needs to be detached again, the new concave-convex joint connector is installed again, and the installation efficiency of the concave-convex joint connector is reduced.
Disclosure of Invention
The invention aims to provide a blind installation design of a concave-convex joint connector, and when blind installation is carried out, if a convex joint is not inserted into a concave joint, threads of the concave-convex joint connector cannot be meshed; meanwhile, the inclined opening guiding auxiliary design is adopted at the top end of the concave connector of the connector, the concave connector is rotated through the convex connector, the convex connector smoothly enters the groove under the guiding of the inclined opening guiding, the blind assembly of the concave-convex connector is realized, and the installation efficiency of the concave-convex connector is improved.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a blind installation design of a concave-convex joint connector, which comprises an inner connector shell and an outer connector shell; the inner connector shell is in threaded rotation fit with the outer connector shell;
the inner wall of the outer connector shell is in rotary fit with a first rotary piece; the first rotating piece is in plug-in fit with a concave joint assembly;
the inner wall of the inner connector shell is rotatably matched with a second rotating piece; the second rotating piece is in plug-in fit with a convex joint assembly;
the male connector component is in plug-in fit with the female connector component;
the female connector assembly includes a first connector; a groove is formed in the surface of one end of the first connector; one end of the first connector is provided with a bevel connection guide design;
a rotating hole and a connecting threaded hole are sequentially formed in the inner wall of the outer connector shell from outside to inside near one end; the peripheral side surface of the inner connector shell is provided with external threads; the external thread is in threaded running fit with the connecting threaded hole.
Further, a first annular channel is formed in the inner wall of the outer connector shell, which is close to the other end of the outer connector shell; the inner wall of the first annular channel is provided with a second annular channel; the first rotating member includes a first connecting shaft; the peripheral side surface of the first connecting shaft is fixedly connected with a first annular rail; the first connecting shaft is in running fit with the first annular channel; the first annular rail is in running fit with the second annular channel.
Further, one end of the first connecting shaft is provided with a first connecting head; the other end of the first connecting shaft is provided with a first slot; one end of the first connector is in running fit with the first slot; one end of the first connecting shaft is provided with first threaded holes in a circumferential array at a position close to the first slot; the peripheral side surface of the first connector is fixedly connected with a first annular baffle; the surface of the first annular baffle is provided with first mounting holes in a circumferential array; the first mounting hole is fixedly connected with the first threaded hole through a fastening bolt.
Further, a third annular channel is formed in the inner wall of the inner connector shell; a fourth annular channel is formed in the inner wall of the third annular channel; the second rotating piece comprises a second connecting shaft; the peripheral side surface of the second connecting shaft is fixedly connected with a second annular rail; the second connecting shaft is in running fit with the third annular channel; the second annular rail is in running fit with the fourth annular channel.
Further, one end of the second connecting shaft is provided with a second connector; the other end of the second connecting shaft is provided with a second slot; the male connector assembly includes a second connector; the second connector is in running fit with the second slot; second threaded holes are distributed in the second connecting shaft, which is close to the second slot, in a circumferential array; the peripheral side surface of the second joint is fixedly connected with a second annular baffle; the surface of the second annular baffle is provided with second mounting holes in a circumferential array; the second mounting hole is fixedly connected with the second threaded hole through a fastening bolt.
Further, the other end of the second connector is fixedly connected with a convex plate; the convex plate is in plug-in fit with the groove.
Further, the outer wall of the second connector is fixedly connected with second connecting rods in a circumferential array distribution manner; the end part of each second connecting rod is fixedly connected with a second annular handle; and the peripheral side surface of the second annular handle is provided with anti-skid patterns.
Further, one end of the inner connector shell is fixedly connected with an annular sealing plate; the surface of the annular sealing plate is fixedly connected with first connecting rods in a circumferential array distribution manner; the end part of each first connecting rod is fixedly connected with a first annular handle; the anti-skid patterns are formed in the peripheral side face of the first annular handle.
The invention has the following beneficial effects:
1. according to the invention, a connector guide hole design is adopted at the concave part of the connector, and partial screw thread design is changed into hole design, namely a rotating hole and a connecting screw hole are sequentially formed in the inner wall of the outer connector shell from outside to inside near one end, and when blind installation is carried out, if a convex plate is not inserted into a groove, the screw threads of the inner connector shell and the outer connector shell cannot be meshed; meanwhile, the bevel connection guide design at one end of the first connector rotates through the convex plate, the first connector is stirred to rotate, the convex plate smoothly enters the groove under the guide of the bevel connection guide, the blind assembly of the concave-convex connector is realized, and the accuracy and the efficiency of installation are improved.
2. According to the invention, the first rotating piece is in plug-in fit with the concave joint assembly, the second rotating piece is in plug-in fit with the convex joint assembly and is fixed through the fastening bolts respectively, so that the convex joint and the concave joint in the traditional concave-convex joint connector are replaced by an integrated design, the structure is simple, the assembly and the disassembly are convenient, the use cost is reduced, and meanwhile, the installation efficiency of the concave-convex joint connector is further improved.
Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of a blind mate design of a male-female connector of the present invention.
Fig. 2 is a schematic structural view of the inner connector housing of the present invention.
Fig. 3 is a schematic structural view of the outer connector housing of the present invention.
Fig. 4 is a schematic structural view of a first rotating member according to the present invention.
Fig. 5 is a schematic structural view of the female joint assembly of the present invention.
Fig. 6 is a schematic structural view of a second rotating member according to the present invention.
Fig. 7 is a schematic structural view of a male connector assembly of the present invention.
Fig. 8 is a schematic structural view of a second rotary member and male connector assembly of the present invention.
Fig. 9 is a schematic structural view of the first rotating member and female joint assembly of the present invention.
Fig. 10 is a schematic structural view of the female joint assembly and outer connector housing assembly of the present invention.
FIG. 11 is a schematic view of the male connector assembly and inner connector housing assembly of the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
the connector comprises a 1-inner connector housing, a 2-outer connector housing, a 3-first rotating member, a 4-female connector assembly, a 5-second rotating member, a 6-male connector assembly, a 7-first connector, a 8-groove, a 9-rotating hole, a 10-connecting threaded hole, a 11-external thread, a 12-first annular groove, a 13-second annular groove, a 14-first connecting shaft, a 15-first annular rail, a 16-first connector, a 17-first slot, a 18-first threaded hole, a 19-first annular baffle, a 20-first mounting hole, a 21-third annular groove, a 22-fourth annular groove, a 23-second connecting shaft, a 24-second annular rail, a 25-second connector, a 26-second slot, a 27-second threaded hole, a 28-second annular baffle, a 29-second mounting hole, a 30-male plate, a 31-second connecting rod, a 32-second annular handle, a 33-annular seal plate, a 34-first connecting rod, a 35-first annular handle, a 36-second connector.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-11, the present invention is a blind mate design of a male-female connector, comprising an inner connector housing 1 and an outer connector housing 2; the inner connector shell 1 is in threaded rotation fit with the outer connector shell 2; the inner wall of the outer connector shell 2 is rotatably matched with a first rotating piece 3; the first rotating piece 3 is in plug-in fit with a concave joint component 4; the inner wall of the inner connector shell 1 is rotatably matched with a second rotating piece 5; the second rotating piece 5 is in plug-in fit with a convex joint component 6; the male connector assembly 6 is in plug-in fit with the female connector assembly 4; the female connector assembly 4 includes a first connector 7; a groove 8 is formed in one end surface of the first joint 7; one end of the first joint 7 is provided with a bevel connection guide design; the inner wall of the outer connector shell 2 is provided with a rotating hole 9 and a connecting threaded hole 10 from outside to inside in sequence near one end; the peripheral side surface of the inner connector shell 1 is provided with external threads 11; the external thread 11 is in threaded running fit with the connecting threaded hole 10; in the concave part of the connector, by adopting a connector guiding hole design, changing partial screw thread design into hole design, namely, a rotating hole 9 and a connecting screw hole 10 are sequentially formed in the inner wall of the outer connector shell 2 from outside to inside near one end, and when blind installation is carried out, if the convex plate 30 is not inserted into the groove 8, the screw threads of the inner connector shell 1 and the outer connector shell 2 cannot be meshed; meanwhile, through the bevel connection guiding design at one end of the first connector 7 and the rotation of the convex plate 30, the first connector 7 is stirred to rotate, the convex plate 30 smoothly enters the groove 8 under the guiding of the bevel connection guiding, the blind assembly of the concave-convex connector is realized, and the accuracy and the efficiency of the installation are improved.
Wherein, the inner wall of the outer connector shell 2 is provided with a first annular channel 12 near the other end; the inner wall of the first annular channel 12 is provided with a second annular channel 13; the first rotating member 3 includes a first connecting shaft 14; the peripheral side surface of the first connecting shaft 14 is fixedly connected with a first annular rail 15; the first connecting shaft 14 is in rotating fit with the first annular channel 12; the first annular rail 15 is in rotary fit with the second annular channel 13; one end of the first connecting shaft 14 is provided with a first connecting head 16; the other end of the first connecting shaft 14 is provided with a first slot 17; one end of the first connector 7 is in running fit with the first slot 17; a first threaded hole 18 is distributed at one end of the first connecting shaft 14 near the first slot 17 in a circumferential array; the peripheral side surface of the first joint 7 is fixedly connected with a first annular baffle 19; the surface of the first annular baffle 19 is provided with first mounting holes 20 in a circumferential array distribution; the first mounting hole 20 is fixedly connected with the first threaded hole 18 through a fastening bolt; by inserting the first connector 7 into the first slot 17 and passing the fastening bolts through the first mounting holes 20 and the first threaded holes 18 in sequence, the first connector 7 is fixedly mounted on the first connecting shaft 14, and is convenient to mount, dismount and replace.
Wherein the inner wall of the inner connector housing 1 is provided with a third annular channel 21; a fourth annular channel 22 is formed in the inner wall of the third annular channel 21; the second rotation member 5 includes a second connecting shaft 23; the second annular rail 24 is fixedly connected with the peripheral side surface of the second connecting shaft 23; the second connecting shaft 23 is in rotary fit with the third annular channel 21; the second annular rail 24 is in rotational engagement with the fourth annular channel 22; one end of the second connecting shaft 23 is provided with a second connector 25; the other end of the second connecting shaft 23 is provided with a second slot 26; the male connector assembly 6 includes a second connector 36; the second connector 36 is in rotational engagement with the second socket 26; the second connecting shaft 23 is provided with second threaded holes 27 in a circumferential array near the second slot 26; the second annular baffle 28 is fixedly connected to the peripheral side surface of the second joint 36; the surface of the second annular baffle 28 is provided with second mounting holes 29 in a circumferential array; the second mounting hole 29 is fixedly connected with the second threaded hole 27 through a fastening bolt; by inserting the second connector 36 into the second slot 26 and sequentially passing through the second mounting hole 29 and the second threaded hole 27 by fastening bolts, the second connector 36 is fixedly mounted on the second connecting shaft 23, so that the second connector is convenient to mount, dismount and replace.
Wherein, the other end of the second joint 36 is fixedly connected with a convex plate 30; the convex plate 30 is in plug-in fit with the groove 8; the outer wall of the second connector 25 is fixedly connected with second connecting rods 31 in a circumferential array distribution manner; the end part of each second connecting rod 31 is fixedly connected with a second annular handle 32; the second annular handle 32 is provided with anti-skid patterns on the peripheral side surface; through rotating the second annular handle 32, the second connecting shaft 23 is driven to rotate together with the convex plate 30, so that the first connector 7 is stirred to rotate, the convex plate 30 smoothly enters the groove 8 under the guidance of the bevel connection guide, the blind assembly of the concave-convex connector is realized, and the accuracy and the efficiency of installation are improved.
Wherein, one end of the inner connector housing 1 is fixedly connected with an annular sealing plate 33; the surface of the annular sealing plate 33 is fixedly connected with first connecting rods 34 in a circumferential array distribution manner; the end part of each first connecting rod 34 is fixedly connected with a first annular handle 35; the side surface of the circumference of the first annular handle 35 is provided with anti-skid patterns; the inner connector housing 1 is screwed into the outer connector housing 2 by rotating the first ring handle 35, so that the inner connector housing 1 is fixedly connected with the outer connector housing 2 by means of the screw thread.
The specific working principle of the invention is as follows:
in the concave part of the connector, by adopting a connector guiding hole design, changing partial screw thread design into hole design, namely, a rotating hole 9 and a connecting screw hole 10 are sequentially formed in the inner wall of the outer connector shell 2 from outside to inside near one end, and when blind installation is carried out, if the convex plate 30 is not inserted into the groove 8, the screw threads of the inner connector shell 1 and the outer connector shell 2 cannot be meshed; meanwhile, the inclined port guide design at one end of the first connector 7 is adopted, the first connector 7 is rotated through the rotation of the convex plate 30, the convex plate 30 smoothly enters the groove 8 under the guide of the inclined port guide, the blind assembly of the concave-convex connector is realized, and the accuracy and the efficiency of the installation are improved; the first joint 7 is fixedly mounted on the first connection shaft 14 by inserting the first joint 7 into the first insertion groove 17 and sequentially passing the fastening bolts through the first mounting holes 20 and the first threaded holes 18; by inserting the second connector 36 into the second slot 26 and sequentially passing through the second mounting hole 29 and the second threaded hole 27 by fastening bolts, the second connector 36 is fixedly mounted on the second connecting shaft 23, so that the second connector is convenient to mount, dismount and replace.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (3)
1. The blind installation design of unsmooth joint connector, its characterized in that:
comprises an inner connector housing (1) and an outer connector housing (2); the inner connector shell (1) is in threaded rotation fit with the outer connector shell (2);
the inner wall of the outer connector shell (2) is in rotating fit with a first rotating piece (3); the first rotating piece (3) is in plug-in fit with a concave joint assembly (4);
the inner wall of the inner connector shell (1) is rotatably matched with a second rotating piece (5); the second rotating piece (5) is in plug-in fit with a convex joint assembly (6);
the male connector assembly (6) is in plug-in fit with the female connector assembly (4);
the female connector assembly (4) comprises a first connector (7); a groove (8) is formed in the surface of one end of the first connector (7); one end of the first connector (7) is provided with a bevel connection guide design;
a rotating hole (9) and a connecting threaded hole (10) are sequentially formed in the inner wall of the outer connector shell (2) from outside to inside near one end; the peripheral side surface of the inner connector shell (1) is provided with external threads (11); the external thread (11) is in threaded rotation fit with the connecting threaded hole (10);
a first annular channel (12) is formed in the inner wall of the outer connector shell (2) close to the other end; the inner wall of the first annular channel (12) is provided with a second annular channel (13); the first rotating member (3) comprises a first connecting shaft (14); a first annular rail (15) is fixedly connected to the peripheral side surface of the first connecting shaft (14); the first connecting shaft (14) is in rotating fit with the first annular channel (12); the first annular rail (15) is in rotating fit with the second annular channel (13);
one end of the first connecting shaft (14) is provided with a first connecting head (16); the other end of the first connecting shaft (14) is provided with a first slot (17); one end of the first connector (7) is in rotary fit with the first slot (17); a first threaded hole (18) is formed in one end of the first connecting shaft (14) close to the first slot (17) in a circumferential array distribution manner; a first annular baffle (19) is fixedly connected to the peripheral side surface of the first joint (7); the surface of the first annular baffle plate (19) is provided with first mounting holes (20) in a circumferential array distribution manner; the first mounting hole (20) is fixedly connected with the first threaded hole (18) through a fastening bolt;
the inner wall of the inner connector shell (1) is provided with a third annular channel (21); a fourth annular channel (22) is formed in the inner wall of the third annular channel (21); the second rotating member (5) comprises a second connecting shaft (23); a second annular rail (24) is fixedly connected to the peripheral side surface of the second connecting shaft (23); the second connecting shaft (23) is in rotating fit with the third annular channel (21); the second annular rail (24) is in rotating fit with the fourth annular channel (22);
one end of the second connecting shaft (23) is provided with a second connector (25); the other end of the second connecting shaft (23) is provided with a second slot (26); the male connector assembly (6) includes a second connector (36); the second connector (36) is in rotary fit with the second slot (26); a second threaded hole (27) is distributed at the position, close to the second slot (26), of the second connecting shaft (23) in a circumferential array; the peripheral side surface of the second connector (36) is fixedly connected with a second annular baffle (28); the surface of the second annular baffle (28) is provided with second mounting holes (29) in a circumferential array distribution; the second mounting hole (29) is fixedly connected with the second threaded hole (27) through a fastening bolt; the other end of the second joint (36) is fixedly connected with a convex plate (30); the convex plate (30) is in plug-in fit with the groove (8).
2. The blind-mate design of the male-female connector as claimed in claim 1, wherein the outer wall of the second connector head (25) is fixedly connected with second connecting rods (31) in a circumferential array distribution; the end part of each second connecting rod (31) is fixedly connected with a second annular handle (32); anti-skid patterns are formed on the peripheral side face of the second annular handle (32).
3. Blind mate design of a male-female connector according to claim 1, characterized in that an annular sealing plate (33) is fixedly connected to one end of the inner connector housing (1); the surface of the annular sealing plate (33) is fixedly connected with first connecting rods (34) in a circumferential array distribution manner; the end part of each first connecting rod (34) is fixedly connected with a first annular handle (35); anti-skid patterns are formed on the peripheral side face of the first annular handle (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111270909.5A CN114171961B (en) | 2021-10-29 | 2021-10-29 | Blind fitting design for male and female connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111270909.5A CN114171961B (en) | 2021-10-29 | 2021-10-29 | Blind fitting design for male and female connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114171961A CN114171961A (en) | 2022-03-11 |
| CN114171961B true CN114171961B (en) | 2023-12-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111270909.5A Active CN114171961B (en) | 2021-10-29 | 2021-10-29 | Blind fitting design for male and female connector |
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| CN (1) | CN114171961B (en) |
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