CN109361106B - Male head with plastic shell waterproof connector and waterproof connector with plastic shell - Google Patents
Male head with plastic shell waterproof connector and waterproof connector with plastic shell Download PDFInfo
- Publication number
- CN109361106B CN109361106B CN201811449220.7A CN201811449220A CN109361106B CN 109361106 B CN109361106 B CN 109361106B CN 201811449220 A CN201811449220 A CN 201811449220A CN 109361106 B CN109361106 B CN 109361106B
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- Prior art keywords
- section
- plug
- cavity
- connecting cavity
- sealing piece
- Prior art date
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 109
- 238000002788 crimping Methods 0.000 claims abstract description 44
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 230000002093 peripheral effect Effects 0.000 claims description 17
- 238000003780 insertion Methods 0.000 claims description 13
- 230000037431 insertion Effects 0.000 claims description 13
- 230000000694 effects Effects 0.000 claims description 10
- 239000007788 liquid Substances 0.000 abstract description 8
- 238000009434 installation Methods 0.000 description 9
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 239000000565 sealant Substances 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 238000004078 waterproofing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000007306 functionalization reaction Methods 0.000 description 1
- 238000010030 laminating Methods 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
- H01R13/52—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
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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
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
- H01R13/6581—Shield structure
Abstract
The invention discloses a male connector with a plastic shell and a waterproof connector with a plastic shell, wherein the male connector with the plastic shell comprises: the plug comprises a plug body, a first shielding main body and a first sealing piece, wherein the plug body is provided with a crimping end and a first connecting cavity penetrating through the crimping end; the first shielding main body is at least partially inserted into the first connecting cavity from the crimping end; the first sealing piece is arranged between the crimping end and the first shielding main body so as to seal one side of the first connecting cavity, which is close to the crimping end. According to the male connector with the plastic shell, the first sealing piece is used for sealing one side, close to the crimping end, of the first connecting cavity, so that external liquid cannot flow into the first connecting cavity through the crimping end, the part, located in the first connecting cavity, of the first shielding main body is prevented from being influenced by the liquid, and the waterproof performance of the male connector with the plastic shell is better.
Description
Technical Field
The invention relates to the field of automobile accessories, in particular to a male connector with a plastic shell and a waterproof connector with a plastic shell.
Background
With the development of multi-functionalization and interconnection informatization of vehicles, environmental requirements for standard connectors of the automotive electronics industry have become more stringent. The existing connector is generally provided with two connector terminals, one male terminal is matched with the other female terminal, the existing connector terminals are generally formed by plastic, after the two connector terminals are matched, a certain gap exists between the connector terminals, liquid easily enters the connector terminals through the gap, short circuit is caused, and normal operation of equipment is affected.
Disclosure of Invention
The invention mainly aims to provide a male head of a waterproof connector with a plastic shell, and aims to solve the technical problem that the existing connector is poor in waterproof performance.
In order to achieve the above object, the present invention provides a male connector with a plastic housing, comprising:
the plug comprises a plug body, a plug body and a plug body, wherein the plug body is provided with a crimping end and a first connecting cavity penetrating through the crimping end;
a first shield body at least partially inserted into the first connection cavity from the crimp end; and
and the first sealing piece is arranged between the crimping end and the first shielding main body so as to seal one side of the first connecting cavity, which is close to the crimping end.
Optionally, the first shielding main body includes a plugging section and an abutting section disposed adjacent to the plugging section, the cross-sectional area of the abutting section is larger than that of the plugging section, the plugging section is disposed in the first connecting cavity, and the abutting section is disposed outside the crimping end;
the joint of the abutting section and the inserting section is provided with a caulking groove, the first sealing piece is embedded in the caulking groove, and the end face of the first sealing piece protrudes out of the end face of the abutting section.
Optionally, an end face of the abutting section abuts against an end face of the crimping end.
Optionally, the first connecting cavity is internally provided with a limiting protrusion in a protruding mode, the outer wall surface of the plug-in section is provided with a pressing ring in a protruding mode, and the end face, close to the abutting section, of the pressing ring is abutted to the end face, away from the abutting section, of the limiting protrusion.
Optionally, the first sealing element is in an annular arrangement, the caulking groove is an annular groove, and the first sealing element is sleeved on the outer peripheral surface of the plug section and is embedded in the annular groove.
Optionally, the first seal is an elastic seal ring.
The invention also provides a waterproof connector with a plastic shell, which comprises a male connector with the plastic shell and a female connector with the plastic shell, wherein,
the male connector with the plastic shell comprises a plug body, a first shielding main body and a first sealing piece:
the plug body is provided with a crimping end and a first connecting cavity which penetrates through the crimping end;
a first shield body is inserted at least partially into the first connection cavity from the crimp end; and
a first sealing member is arranged between the crimping end and the first shielding main body so as to seal one side of the first connecting cavity close to the crimping end;
the female connector with the plastic shell comprises a socket body, a second shielding main body and a second sealing piece, wherein the socket body is provided with a male plug insertion end and a wiring terminal, the male plug insertion end is provided with a second connecting cavity, and the plug body is inserted into the second connecting cavity from the male plug insertion end;
the second shielding main body is provided with a connecting section which is correspondingly inserted into the second connecting cavity, and the first shielding main body is inserted into the connecting section;
the second sealing piece is clamped between the connecting section and the inner wall surface of the first connecting cavity so as to seal one side, close to the wiring terminal, of the first connecting cavity.
Optionally, the wiring end is equipped with the grafting chamber, the grafting chamber with the junction in second connecting chamber is protruding to be equipped with spacing step, the second sealing member cover is located the outer peripheral face of second shielding main part, just the outer peripheral face of second sealing member with the laminating of the internal face in first connecting chamber, the terminal surface butt of second sealing member spacing step is close to the terminal surface in first connecting chamber.
Optionally, the second sealing element comprises a collar and an abutting annular edge arranged on one side of the collar, close to the plug-in cavity, the collar is sleeved on the outer circumferential surface of the connecting section, and the abutting annular edge abuts against the end surface, close to the first connecting cavity, of the limiting step; the end face of the plug main body, which is close to one end of the plug cavity, is abutted against the abutting annular edge.
Optionally, the outer peripheral surface of the lantern ring is provided with one or more waterproof convex ribs, and the waterproof convex ribs are abutted and tightly attached to the inner wall surface of the first connecting cavity.
According to the male connector with the plastic shell, the first connecting cavity which is arranged through the crimping end is arranged in the plug body, so that the first shielding main body is at least partially inserted into the first connecting cavity, and the first sealing piece is used for sealing one side, close to the crimping end, of the first connecting cavity, so that external liquid cannot flow into the first connecting cavity through the crimping end, the part, located in the first connecting cavity, of the first shielding main body is prevented from being influenced by the liquid, and the waterproof performance of the male connector with the plastic shell is better.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a waterproof connector with a plastic housing according to an embodiment of the present invention;
FIG. 2 is a schematic view of an exploded view of the male connector with the plastic housing of FIG. 1;
FIG. 3 is a schematic cross-sectional view of the male connector with the plastic housing of FIG. 1;
FIG. 4 is a schematic view of an embodiment of a waterproof connector with a plastic housing according to the present invention;
FIG. 5 is a schematic view of an exploded view of the waterproof connector with plastic housing of FIG. 4;
fig. 6 is an enlarged schematic view at a in fig. 5.
Reference numerals illustrate:
the achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. 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.
It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present invention, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout is meant to include three side-by-side schemes, for example, "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B meet at the same time. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
The invention provides a male connector with a plastic shell, which is mainly suitable for connecting equipment for automobile signal transmission.
In the embodiment of the present invention, as shown in fig. 1 to 3, the male connector 1 with a plastic housing comprises:
a plug body 11 having a crimp end 111 and a first connection cavity 112 provided through the crimp end 111;
a first shield body 12 at least partially inserted from the crimp end 111 into the first connection cavity 112; and a first sealing member 13 provided between the crimping end 111 and the first shield main body 12 to seal one side of the first connection cavity 112 near the crimping end 111.
In the present embodiment, the shape of the plug body 11 is not limited, and may be designed to be a corresponding shape according to specific use requirements. It is understood that the first connection cavity 112 is provided through the crimp end 111, and the first shield main body 12 can be inserted into the first connection cavity 112 through the end face of the crimp end 111. The first shielding main body 12 may be partially inserted into the first connection cavity 112, or may be fully inserted into the first connection cavity 112. The first shield body 12 may be inserted into the first connection cavity 112 by means of a snap fit, a screw fit, a crimp fit, or the like. When the first shielding body 12 is inserted into the first connection cavity 112, a certain gap is provided between the first shielding body 12 and the first connection cavity 112 to provide a mounting space for the shielding member of the female connector fitting with the male connector to be connected with the first shielding body 12.
The first sealing member 13 may be disposed on the plugging end or the first shielding main body 12, or may be simultaneously embedded on the plugging end and the first shielding main body 12, which is not limited herein, and may be capable of sealing a gap between an inner wall surface of the first connection cavity 112 of the crimp end 111 and the first shielding main body 12, that is, sealing a side of the first connection cavity 112 near the crimp end 111. The first sealing member 13 may be a sealing ring or a sealant, and is not particularly limited herein, and may be a sealing member.
According to the male connector 1 with the plastic shell, the first connecting cavity 112 penetrating through the crimping end 111 is formed in the plug body 11, so that the first shielding main body 12 is at least partially inserted into the first connecting cavity 112, and the first sealing piece 13 is used for sealing one side, close to the crimping end 111, of the first connecting cavity 112, so that external liquid cannot flow into the first connecting cavity 112 through the crimping end 111, the part, located in the first connecting cavity 112, of the first shielding main body 12 is free from the influence of the liquid, the waterproof performance of the male connector 1 with the plastic shell is better, and the waterproof performance requirement of the male connector with the plastic shell under the conditions of rain, snow and the like can be met.
Further, the first shielding main body 12 includes a plugging section 121 and an abutting section 122 disposed adjacent to the plugging section 121, the cross-sectional area of the abutting section 122 is larger than that of the plugging section 121, the plugging section 121 is disposed in the first connecting cavity 112, and the abutting section 122 is disposed outside the crimping end 111;
the joint of the abutting section 122 and the inserting section 121 is provided with a caulking groove 123, the first sealing piece 13 is embedded in the caulking groove 123, and the end face of the first sealing piece 13 protrudes out of the end face of the abutting section 122.
In this embodiment, the caulking groove 123 may be formed only on the abutting section 122 or the plugging section 121, or may be formed on both the abutting section 122 and the plugging section 121, so that the first sealing member 13 protrudes out of the end surface of the abutting section 122, and the first sealing member 13 can seal the gap between the first connecting cavity 112 and the plugging section 121, thereby realizing the sealing effect.
Further, the end surface of the abutting section 122 abuts against the end surface of the crimping end 111. The end face of the abutting section 122 may be made to abut against the end face of the crimping end 111 by crimping. In this way, the gap between the abutting section 122 and the end face of the crimping end 111 is made smaller, and at the same time, the first seal 13 is pressed, so that the elastic deformation amount of the first seal 13 is made larger, and the sealing effect is made better. Preferably, in order to make the installation of the first sealing member 13 more stable, a fixing groove is formed at a position of the crimping end 111 corresponding to the first sealing member 13 for fixing the first sealing member 13. It will be appreciated that the sum of the groove depths of the fixing groove and the caulking groove 123 is smaller than the diameter of the first sealing member 13 so that the first sealing member 13 functions as a seal.
Further, the first connecting cavity 112 is internally provided with a limiting protrusion 10 in a protruding manner, the outer wall surface of the plugging section 121 is provided with a pressing ring 20 in a protruding manner, and the end surface of the pressing ring 20 close to the abutting section 122 is abutted with the end surface of the limiting protrusion 10 far away from the abutting section 122.
In this embodiment, the limiting protrusion 10 may be disposed in a ring shape. During installation, the plug-in section 121 is inserted into the first connecting cavity 112 from the crimping end 111, after the pressure ring 20 is pressed, the end surface of the pressure ring 20, which is close to the abutting section 122, abuts against the end surface of the limiting protrusion 10, which is far away from the abutting section 122, so that limiting abutting is realized, and meanwhile, the abutting section 122 abuts against the crimping end 111, so that the first shielding main body 12 is limited in the plug body 11. In one embodiment, the pressure ring 20 is an elastic pressure ring. The first shielding main body 12 is more convenient and quicker to install in the plug body 11 by arranging the compression ring 20 and the abutting section 122, and meets the installation requirement, and is not easy to loose. In order to facilitate the installation more easily and smoothly, a guiding surface may be provided on the side of the pressure ring 20 remote from the abutment section 122. In other embodiments, the same elastic crimping effect can be achieved by convexly arranging a rigid compression ring on the outer wall surface of the plug-in section, and arranging the part of the plug-in section, where the compression ring is arranged, to be elastic or arranging the whole plug-in section to be elastic.
In an embodiment, a clamping groove is formed on the insertion section 121 between the compression ring 20 and the abutting section 122, and a clamping protrusion is arranged on the limiting protrusion 10 and is in clamping fit with the clamping groove. So, after clamping ring 20 and spacing protruding 10 butt cooperation, screens protruding and draw-in groove looks joint for whole installation is close-fitting more, thereby satisfies the installation demand, prevents that first shielding main part 12 from coming off from plug body 11.
Further, the first sealing member 13 is annularly arranged, the caulking groove 123 is an annular groove, and the first sealing member 13 is sleeved on the outer peripheral surface of the plugging section 121 and is embedded in the annular groove.
In this embodiment, the annular first sealing ring is sleeved on the outer peripheral surface of the plugging section 121, so that the sealing between the first sealing member 13 and the plugging section 121 is ensured, and the sealing performance of the first connecting cavity 112 on the side close to the crimping end 111 is ensured after the first sealing ring is embedded in the annular groove. Preferably, the first seal 13 is an elastic sealing ring. In this way, the deformation of the elastic sealing ring is larger, so that the sealing effect between the elastic sealing ring and the plug-in section 121 is better.
The present invention also proposes a waterproof connector 100 with a plastic housing, referring to fig. 4 and 5, the waterproof connector 100 with a plastic housing includes a female connector 2 with a plastic housing and a male connector 1 with a plastic housing, the female connector 2 with a plastic housing includes a socket body 21, a second shielding body 22 and a second sealing member 23, the socket body 21 has a male insertion end 211 and a terminal 212, the male insertion end 211 is provided with a second connection cavity 30, and the plug body 11 is inserted into the second connection cavity 30 from the male insertion end 211;
the second shielding main body 22 is provided with a connecting section 221, the connecting section 221 is correspondingly inserted into the second connecting cavity 30, and the first shielding main body 12 is inserted into the connecting section 221;
the second sealing member 23 is interposed between the connection section 221 and the inner wall surface of the first connection chamber 112 to block one side of the first connection chamber 112 near the terminal 212.
The specific structure of the male connector 1 with plastic housing refers to the above embodiment, and since the waterproof connector 100 with plastic housing adopts all the technical solutions of all the embodiments, it has at least all the beneficial effects brought by the technical solutions of the embodiments, and will not be described in detail herein.
In this embodiment, the terminal 212 is used for connecting with a signal line on an automobile, and the male plug-in end 211 is used for inserting the male plug 1 with the waterproof connector with the plastic housing. The second connection cavity 30 penetrates through the male insertion end 211, so that the connector male can be inserted into the second connection cavity 30 through the male insertion end 211. It can be understood that the connection section 221 of the second shielding main body 22 is spliced with the splicing section 121 of the first shielding main body 12, so that signal transmission is realized, and the second sealing member 23 seals a gap between the inner wall surface of the cavity mouth and the splicing section 121, so that the waterproof performance in the first connection cavity 112 can be ensured, the waterproof effect of the connection position of the connection section 221 and the male shielding member in the second connection cavity 30 is better, and the requirement on the waterproof performance of the connector under the conditions of rainy and snowy weather and the like is met.
The second shielding body 22 may be inserted into the socket body 21 through threaded connection, clamping connection, or limited abutment. It will be appreciated that when the connection section 221 is located in the second connection cavity 30, there is a certain gap between the connection section 221 and the second connection cavity 30 for the male connector 1 with plastic housing to be inserted. The shape of the second connecting cavity 30 is adapted to the shape of the plug body 11, so that the male 1 with the plastic housing waterproof connector is easier to be inserted into the second connecting cavity 30.
The second sealing member 23 may be disposed on the inner wall surface of the second connection chamber 30, the inner wall surface of the chamber opening, or the outer wall surface of the connection end, and is not limited herein, and may be capable of sealing the gap between the inner wall surface of the chamber opening and the connection section 221. The cavity opening can be circular, oval or square, and the like, and can only be penetrated by the connecting section 221, so that the cavity opening is preferably circular for realizing sealing. The second sealing member 23 may be a sealing ring or a sealant, and is not particularly limited herein, and may be a sealing member.
When in installation, the plug body 11 is inserted into the second connecting cavity 30 from the male plug insertion end 211, so that the connecting section 221 of the second shielding main body 22 is spliced with the splicing section 121 of the first shielding main body 12, and the splicing section 121 and the connecting section 221 are positioned in the first connecting cavity 112. After the male connector 1 with the plastic shell and the female connector 2 with the plastic shell are assembled, the second sealing piece 23 is clamped between the inner wall surface of the first connecting cavity 112 and the connecting section 221, so that the sealing of one side, far away from the crimping end 111, of the first connecting cavity 112 is realized, the first sealing piece 13 seals one side, close to the crimping end 111, of the first connecting cavity 112, and then the first sealing piece 13 and the second sealing piece 23 simultaneously seal two ends of the first connecting cavity 112, so that liquid cannot enter the first connecting cavity 112 to affect the connection position of the plugging section 121 and the connecting section 221, and the waterproof effect of the whole waterproof connector 100 with the plastic shell is better.
Further, referring to fig. 6, the terminal 212 is provided with a socket cavity 40, a connection portion between the socket cavity 40 and the second connection cavity 30 is convexly provided with a limiting step 213, the second sealing member 23 is sleeved on the outer peripheral surface of the second shielding main body 22, the outer peripheral surface of the second sealing member 23 is attached to the inner wall surface of the first connection cavity 112, and an end surface of the second sealing member 23 abuts against the limiting step 213 and is close to an end surface of the first connection cavity 112.
In this embodiment, the plugging cavity 40 is used for plugging and installing the second shielding main body 22, and when installing, the connection section 221 is installed into the second connection cavity 30 through the cavity opening from one end of the plugging cavity 40. It can be understood that the spacing step 213 makes the gap between the plugging section 121 and the inner wall surface of the second connection cavity 30 smaller, so that the end surface of the second seal member 23 abuts against the end surface of the spacing step 213 close to the second connection cavity 30, and sealing of the cavity opening can be achieved. So that the sealing is more convenient. Meanwhile, the first sealing member 13 is sleeved on the outer peripheral surface of the plugging section 121, so that the sealing between the first sealing member 13 and the plugging section 121 is ensured, and the sealing performance of one end, close to the limiting step 213, of the second connecting cavity 30 is further ensured.
So that the outer peripheral surface of the second sealing member 23 is attached to the inner wall surface of the first connecting cavity 112, the second sealing member 23 and the first sealing member 13 cooperate to realize sealing of both ends of the first connecting cavity 112 at the same time, so that the plugging section 121 and the connecting section 221 in the first connecting cavity 112 are completely sealed and waterproof, and the waterproof performance of the whole waterproof connector 100 with the plastic housing is extremely high.
In an embodiment, the second shielding main body 22 further includes a limiting section disposed adjacent to the connecting section 221, the diameter of the limiting section is larger than that of the connecting section 221, and the limiting section is in limiting fit with the limiting boss, so that the second shielding main body 22 is limited in the socket body 21. During installation, the second shielding piece is inserted from the plug cavity 40, and is installed in place after the limiting section is in limiting abutting joint with the limiting boss, at the moment, the second sealing piece 23 is sleeved on the connecting section 221 from the second connecting cavity 30 until the end face of the second sealing piece 23 abuts against the end face of the limiting step 213, and sealing installation of the whole waterproof connector female head 2 with the plastic shell is achieved.
Further, referring to fig. 6, the second sealing member 23 includes a collar 231 and an abutment flange 232 disposed on a side of the collar 231 near the plugging cavity 40, the collar 231 is sleeved on the outer peripheral surface of the connecting section 221, and the abutment flange 232 abuts against the end surface of the limiting step 213 near the first connecting cavity 112; the end face of the plug body, which is close to the plug cavity 40, is abutted against the abutting annular edge 232.
In this embodiment, it can be understood that the second sealing member 23 has elasticity, and when the collar 231 is sleeved on the outer peripheral surface of the connecting section 221, the collar 231 is in tight fit connection with the connecting section 221, so as to realize sealing between the second sealing member 23 and the connecting section 221. The abutting annular edge 232 makes the abutting area of the second sealing piece 23 and the end face of the limiting step 213 larger, so that the sealing area is larger, and the sealing effect is better. Meanwhile, the end face of the plug main body is enabled to be in low-pressure contact with the annular edge 232, so that a gap between the contact annular edge 232 and the limiting step 213 is smaller, and the sealing effect is better.
Further, the outer peripheral surface of the collar 231 is provided with one or more waterproof ribs 50, and the waterproof ribs 50 are abutted against the inner wall surface of the first connecting cavity 112. When the second sealing member 23 is tightly attached to the inner wall surface of the first connecting cavity 112, the waterproof ribs 50 can provide multiple channels of waterproofing, so that the waterproof effect is better, and meanwhile, the waterproof ribs 50 can be deformed in an extrusion mode, so that the gap between the outer surface of the second sealing member 23 and the inner surface of the first connecting cavity 112 is smaller, and effective waterproofing is achieved.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the description of the present invention and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the invention.
Claims (2)
1. The waterproof connector with the plastic shell is characterized by comprising a male connector with the plastic shell and a female connector with the plastic shell; the male head of the waterproof connector with the plastic shell comprises:
the plug comprises a plug body, a plug body and a plug body, wherein the plug body is provided with a crimping end and a first connecting cavity penetrating through the crimping end;
a first shield body at least partially inserted into the first connection cavity from the crimp end; and
a first sealing member provided between the crimping end and the first shield main body to seal one side of the first connection chamber near the crimping end; the first shielding main body comprises a plug-in section and an abutting section arranged adjacent to the plug-in section, the cross-sectional area of the abutting section is larger than that of the plug-in section, the plug-in section is arranged in the first connecting cavity, and the abutting section is arranged outside the crimping end; a caulking groove is formed in the joint of the abutting section and the inserting section, the first sealing piece is embedded in the caulking groove, and the end face of the first sealing piece protrudes out of the end face of the abutting section; the end face of the abutting section abuts against the end face of the crimping end, and a fixing groove is formed in the crimping end at a position corresponding to the first sealing element and used for fixing the first sealing element; the sum of the groove depths of the fixing groove and the caulking groove is smaller than the diameter of the first sealing piece, so that the first sealing piece has a sealing effect, and the cross section area of the first sealing piece is circular; the first connecting cavity is internally provided with a limiting bulge in a protruding mode, the outer wall surface of the plug-in section is provided with a pressing ring in a protruding mode, and the end face, close to the abutting section, of the pressing ring is abutted to the end face, far away from the abutting section, of the limiting bulge; the first sealing piece is annularly arranged, the caulking groove is an annular groove, the first sealing piece is sleeved on the outer peripheral surface of the inserting section and is embedded in the annular groove, a clamping groove is formed in the inserting section between the pressing ring and the abutting section, a clamping protrusion is arranged on the limiting protrusion, the clamping protrusion is matched with the clamping groove in a clamping manner, and after the pressing ring is matched with the limiting protrusion in a clamping manner, the clamping protrusion is clamped with the clamping groove; the first sealing piece is an elastic sealing ring; the female connector with the plastic shell comprises a socket body, a second shielding main body and a second sealing piece, wherein the socket body is provided with a male plug insertion end and a wiring terminal, the male plug insertion end is provided with a second connecting cavity, and the plug body is inserted into the second connecting cavity from the male plug insertion end;
the second shielding main body is provided with a connecting section which is correspondingly inserted into the second connecting cavity, and the first shielding main body is inserted into the connecting section;
the second sealing piece is clamped between the connecting section and the inner wall surface of the first connecting cavity so as to seal one side of the first connecting cavity, which is close to the wiring terminal; the wiring terminal is provided with an inserting cavity, a limit step is convexly arranged at the joint of the inserting cavity and the second connecting cavity, the second sealing piece is sleeved on the outer peripheral surface of the second shielding main body, the outer peripheral surface of the second sealing piece is attached to the inner wall surface of the first connecting cavity, and the end surface of the second sealing piece is abutted against the end surface of the limit step close to the first connecting cavity; the second sealing piece comprises a lantern ring and an abutting annular edge arranged on one side of the lantern ring, close to the plug-in cavity, the lantern ring is sleeved on the outer peripheral surface of the connecting section, and the abutting annular edge abuts against the end surface, close to the first connecting cavity, of the limiting step; the end face of the plug body, which is close to one end of the plug cavity, is abutted against the abutting annular edge.
2. The waterproof connector with plastic housing according to claim 1, wherein one or more waterproof ribs are provided on the outer circumferential surface of the collar, and the waterproof ribs are abutted against the inner wall surface of the first connecting cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN109361106B true CN109361106B (en) | 2023-11-28 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109921231A (en) * | 2019-04-22 | 2019-06-21 | 宁波奥克斯电气股份有限公司 | A kind of waterproof wiring device and air conditioner |
| CN110247250A (en) * | 2019-06-28 | 2019-09-17 | 中航光电科技股份有限公司 | Power connector is locked using the plug and self-sealing bolt of plastic packaging terminal component |
| CN111106467B (en) * | 2019-11-25 | 2021-06-04 | 中航光电科技股份有限公司 | Local shield connector |
| CN113597161B (en) * | 2021-07-23 | 2023-05-16 | 蘅东光通讯技术(深圳)股份有限公司 | Shell, loop device and loop connection assembly |
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| CN109361106A (en) | 2019-02-19 |
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