CN216355015U - High-voltage connector plug, sealing element structure and cable connection structure - Google Patents

High-voltage connector plug, sealing element structure and cable connection structure Download PDF

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Publication number
CN216355015U
CN216355015U CN202123009250.6U CN202123009250U CN216355015U CN 216355015 U CN216355015 U CN 216355015U CN 202123009250 U CN202123009250 U CN 202123009250U CN 216355015 U CN216355015 U CN 216355015U
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China
Prior art keywords
plug
sealing
seal
sealing element
voltage connector
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CN202123009250.6U
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Chinese (zh)
Inventor
王超
李佰军
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Changchun Jetty Automotive Parts Co Ltd
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Changchun Jetty Automotive Parts Co Ltd
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Priority to CN202123009250.6U priority Critical patent/CN216355015U/en
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Publication of CN216355015U publication Critical patent/CN216355015U/en
Priority to PCT/CN2022/131381 priority patent/WO2023098452A1/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46Bases; Cases
    • H01R13/502Bases; Cases composed of different pieces
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46Bases; Cases
    • H01R13/52Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46Bases; Cases
    • H01R13/533Bases, cases made for use in extreme conditions, e.g. high temperature, radiation, vibration, corrosive environment, pressure

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  • Connector Housings Or Holding Contact Members (AREA)

Abstract

The utility model relates to a high-voltage connector plug, a sealing element structure and a cable connecting structure, wherein the high-voltage connector plug comprises a plug body, the outer wall of the plug body is sleeved with the sealing element structure, the sealing element structure comprises a sealing element body, the outer wall of the sealing element body is provided with a multi-stage sealing bulge structure, and the axial first end of the sealing element body is provided with a first connecting structure; the plug body is further sleeved with an anti-falling cover, and the first end of the anti-falling cover is connected with the first connecting structure in a buckling and pressing mode. The utility model solves the problem of the distortion of the sealing element in the process of inserting the plug and the socket, reduces the occurrence of the vertical movement and rotation of the sealing element structure and improves the sealing effect of the sealing element structure.

Description

High-voltage connector plug, sealing element structure and cable connection structure
Technical Field
The utility model relates to a rubber sealing element, in particular to a high-voltage connector plug, a sealing element structure and a cable connecting structure.
Background
The traditional high-voltage connector realizes the electric connection of two cables in a plug-in mode of a socket and a plug. Considering that the plug and the socket can operate reliably and stably in the whole life cycle of the automobile, the plug and the socket need to meet the requirements of working temperature of minus 40 ℃ to 85 ℃, waterproof capability of IP67, long-time vibration and bump bearing, outdoor sun and rain exposure and reliability requirements of 5 years and 10 kilometers. Therefore, the anti-distortion and the firm and reliable sealing of the sealing element are very important when the plug and the socket are plugged, and reliable sealing is realized, so that the phenomenon of voltage-resistant breakdown of a product caused by the reduction of creepage strength due to untight sealing under the condition that the plug and the socket are plugged is avoided.
Therefore, the inventor provides a high-voltage connector plug, a sealing member structure and a cable connection structure by experience and practice of related industries for many years, so as to overcome the defects of the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a plug, a sealing element structure and a cable connecting structure of a high-voltage connector, and solves the problem of distortion and deformation of a sealing element in the process of inserting and combining the plug and a socket, reduces the occurrence of up-and-down movement and rotation of the sealing element structure, and improves the sealing effect of the sealing element structure.
The high-voltage connector plug comprises a plug body, wherein a sealing element structure is sleeved on the outer wall of the plug body and comprises a sealing element body, a multi-stage sealing bulge structure is arranged on the outer wall of the sealing element body, and a first connecting structure is arranged at the first axial end of the sealing element body; the plug body is further sleeved with an anti-falling cover, and the first end of the anti-falling cover is connected with the first connecting structure in a buckling and pressing mode.
In a preferred embodiment of the present invention, a second wedge-shaped surface is disposed on an inner wall of the first end of the anti-drop cover, the first connection structure includes a first wedge-shaped surface disposed at the first axial end of the sealing element body, and the second wedge-shaped surface buckles the first wedge-shaped surface on an outer wall of the plug body.
In a preferred embodiment of the present invention, a plug housing is sleeved outside the plug body, the sealing member structure and the anti-falling cover.
In a preferred embodiment of the utility model, the axial second end of the seal body is provided with a second connecting structure for connection with the plug housing.
In a preferred embodiment of the present invention, the second connecting structure includes a first lower fitting boss and a second lower fitting boss provided at the second axial end of the seal body; the plug comprises a plug shell and is characterized in that a first connecting groove and a second connecting groove are formed in the plug shell at intervals along the circumferential direction, a first lower embedded boss is connected in the first connecting groove in a sealing and embedded mode, and a second lower embedded boss is connected in the second connecting groove in a sealing and embedded mode.
In a preferred embodiment of the present invention, an inner wall of the first end of the anti-falling cover is provided with a barb; and a third connecting groove is formed in the side wall of the plug body, and the barb can be clamped in the third connecting groove.
In a preferred embodiment of the present invention, the multi-stage sealing protrusion structure protrudes from a side surface of the anti-falling cover. The object of the utility model can also be achieved by a sealing element structure for the high-voltage connector plug, which comprises a sealing element body arranged in a sleeve-shaped structure, wherein a multi-stage sealing bulge structure is arranged on the outer wall of the sealing element body, a first connecting structure is arranged at the first axial end of the sealing element body, and a second connecting structure is arranged at the second axial end of the sealing element body.
In a preferred embodiment of the present invention, the multi-stage sealing protrusion structure includes a first sealing protrusion line, a second sealing protrusion line, and a third sealing protrusion line spaced apart from each other in an axial direction.
In a preferred embodiment of the present invention, the first sealing protrusion line, the second sealing protrusion line and the third sealing protrusion line are arranged in a triangular shape at the top.
In a preferred embodiment of the present invention, the first connecting structure includes a first wedge surface disposed at an axial first end of the seal body.
In a preferred embodiment of the present invention, the second connecting structure includes a first lower fitting projection and a second lower fitting projection provided at the second axial end of the seal body.
The object of the utility model is also achieved in that a cable connection comprises the high-voltage connector plug described above, which is connected to a high-voltage connector socket in a plug-in manner.
In a preferred embodiment of the present invention, after the high-voltage connector plug and the high-voltage connector socket are plugged together, the compressed volume of the sealing member body accounts for 50% to 85% of the initial volume of the sealing member body.
From the above, the high-voltage connector plug, the sealing element structure and the cable connection structure have the following beneficial effects:
the sealing element structure provided by the utility model can form multi-stage sealing in the insertion process of the plug and the socket, the sealing is firmer and more reliable, and the matching stability and the electrical safety of the plug and the socket are enhanced; the multi-stage sealing bulge structure of the sealing element structure is in contact with the inner surface of the socket, so that the contact area between the socket and the plug is small, the plug plugging resistance is small, and the sealing is firmer and more reliable;
in the high-voltage connector plug, the joint surface of the anti-falling cover and the sealing element structure is an inclined surface, the first wedge surface is embedded in the anti-falling cover, the anti-falling cover presses the sealing element structure downwards to keep the sealing element structure from being distorted and deformed, and the sealing element structure is prevented from being distorted and deformed when the socket and the plug are plugged; when the anti-falling cover is assembled, the second wedge-shaped surface of the anti-falling cover slightly applies force on the first wedge-shaped surface of the sealing element structure, so that the sealing element structure generates plastic deformation, and the sealing effect of the sealing element structure can be enhanced;
in the high-voltage connector plug, the first lower embedded lug bosses and the second lower embedded lug bosses of the sealing element body are alternately embedded in the first connecting groove and the second connecting groove of the plug shell, the pressure conduction of the anti-falling cover has a certain sealing effect at the positions, the sealing connection of the sealing element structure and the plug shell is realized, the up-and-down movement, the distortion and the deformation of the sealing element structure when the plug and the socket are plugged are prevented, meanwhile, the deformation of the sealing element structure when the plug and the socket are plugged can be prevented through the design of the first connecting groove and the second connecting groove, the first lower embedded lug bosses and the second lower embedded lug bosses are alternately distributed to prevent the rotation of the sealing element, and the occurrence of sealing failure is reduced; the barb of anticreep lid tightly blocks in the third spread groove of plug housing, and the sealing member structure receives the overdraft of anticreep lid, has strengthened the sealed effect of sealing member structure.
Drawings
The drawings are only for purposes of illustrating and explaining the present invention and are not to be construed as limiting the scope of the present invention. Wherein:
FIG. 1: is a schematic view of the high voltage connector plug of the present invention.
FIG. 2: is an enlarged view at a in fig. 1.
FIG. 3: is an enlarged view at B in fig. 1.
FIG. 4: is a schematic view of the seal configuration of the present invention.
FIG. 5: is a front view of the seal configuration of the present invention.
FIG. 6: is a schematic view of the plug housing of the present invention.
In the figure:
1. a seal arrangement;
101. a first seal bead line; 102. a second seal bead line; 103. a third seal bead line; 104. a first wedge-shaped face; 105. a first lower embedded boss; 106. a second lower embedded boss;
2. an anti-drop cover;
201. a second wedge-shaped face; 202. a barb;
3. a plug housing;
301. a first connecting groove; 302. a second connecting groove;
4. a plug body; 401. and a third connecting groove.
Detailed Description
In order to more clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will now be described with reference to the accompanying drawings.
The specific embodiments of the present invention described herein are for the purpose of illustration only and are not to be construed as limiting the utility model in any way. Any possible variations based on the present invention may be conceived by the skilled person in the light of the teachings of the present invention, and these should be considered to fall within the scope of the present invention. It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "mounted," "connected," and "connected" are to be construed broadly and may include, for example, mechanical or electrical connections, communications between two elements, direct connections, indirect connections through intermediaries, and the like. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1, 2 and 3, the utility model provides a high-voltage connector plug, which comprises a plug body, wherein a sealing element structure 1 is sleeved on the outer wall of the plug body, the sealing element structure 1 comprises a sealing element body arranged in a sleeve-shaped structure, a multi-stage sealing bulge structure is arranged on the outer wall of the sealing element body, and a first connecting structure is arranged at the first axial end of the sealing element body; still the cover is equipped with anticreep lid 2 on the plug body, and the first end of anticreep lid 2 withholds with the first connecting structure of sealing member structure 1 and is connected.
Furthermore, the multistage sealing bulge structure protrudes out of the side surface of the anti-falling cover, namely the cross section outline of the multistage sealing bulge structure is larger than that of the anti-falling cover 2, so that the sealing connection between the sealing element structure 1 and the socket is facilitated.
As shown in fig. 1, 2 and 3, in the present embodiment, a second wedge-shaped surface 201 is disposed on an inner wall of the first end of the anti-drop cover 2, the first connection structure includes a first wedge-shaped surface 104 disposed at the first end of the sealing element body in the axial direction, and the second wedge-shaped surface 201 presses the first wedge-shaped surface 104 on an outer wall of the plug body 4, so that the sealing element structure 1 is plastically deformed, and the sealing effect of the sealing element structure 1 can be enhanced. In the present embodiment, the retaining cap 2 is a plastic material. The first connecting structure can also be a sealing connecting structure such as a taper thread.
In the plug of the high-voltage connector, the joint surface of the anti-falling cover 2 and the sealing element structure 1 is an inclined surface, the first wedge-shaped surface 104 of the sealing element structure 1 is connected with the second wedge-shaped surface 201 of the anti-falling cover 2, the first wedge-shaped surface 104 is embedded in the anti-falling cover 2, and the anti-falling cover 2 presses the sealing element structure 1 downwards to keep the sealing element structure 1 from being distorted and deformed so as to prevent the sealing element structure 1 from being distorted and deformed when the socket is plugged with the plug. When the anti-dropping cover 2 is assembled, the second wedge-shaped surface 201 of the anti-dropping cover 2 slightly applies force on the first wedge-shaped surface 104 of the sealing element structure 1, so that the sealing element structure 1 generates plastic deformation, and the sealing effect of the sealing element structure 1 can be enhanced.
Further, as shown in fig. 1, a plug housing 3 is sleeved outside the plug body 4, the sealing member structure 1 and the anti-drop cover 2.
Further, a second connecting structure is provided at an axial second end of the sealing member body, the second connecting structure being for connection with the plug housing 3.
Further, as shown in fig. 1, 2, 3, 6, the second connecting structure includes a first lower fitting boss 105 and a second lower fitting boss 106 provided at the axial second end of the seal body; the plug housing 3 is provided with a first connecting groove 301 and a second connecting groove at intervals along the circumferential direction, the first lower embedded boss 105 is connected in the first connecting groove 301 in a sealing and embedded manner, and the second lower embedded boss 106 is connected in the second connecting groove in a sealing and embedded manner. The second connecting structure may be a wedge or the like to facilitate the engagement.
In the present embodiment, the first connection groove 301 is a curved groove including an arc, the second connection groove 302 is provided in a rectangular shape in cross section, and the first lower fitting projection 105 and the second lower fitting projection 106 are provided corresponding to the first connection groove 301 and the second connection groove 302, respectively.
Inlay boss 105 under the first of sealing member body second end and inlay boss 106 under the second and inlay in the first connecting groove 301 and the second connecting groove of plug housing 3 in turn, the pressure conduction of anticreep lid 2 has certain sealed effect here, realize sealing member structure 1 and plug housing 3's sealing connection, sealing member structure 1 drunkenness distortion about preventing when plug and socket are inserted and close, sealing member structure 1's deformation when the design of first connecting groove and second connecting groove can prevent plug and socket from inserting and close simultaneously, inlay boss 105 and second under the first rotation of inlaying boss 106 alternate distribution prevention sealing member structure 1, reduce the emergence of sealed inefficacy.
Further, as shown in fig. 2, an inner wall of the first end of the anti-drop cover 2 is provided with a barb 202; the side wall of the plug body 4 is provided with a third connecting groove 401, the barb 202 can be blocked in the third connecting groove 401, and the third connecting groove 401 is an annular groove. Barb 202 of anticreep lid 2 tightly blocks in the third spread groove of plug body 4, and sealing member structure 1 receives the overdraft of anticreep lid 2, has strengthened sealing member structure 1's sealed effect.
As shown in fig. 1, 4, and 5, the present invention provides a sealing element structure 1, which includes a sealing element body disposed in a sleeve-shaped structure, a multi-stage sealing protrusion structure disposed on an outer wall of the sealing element body, a first connection structure disposed at an axial first end of the sealing element body, and a second connection structure disposed at an axial second end of the sealing element body.
The sealing element structure provided by the utility model can form multi-stage sealing in the insertion process of the plug and the socket, the sealing is firmer and more reliable, and the matching stability and the electrical safety of the plug and the socket are enhanced.
Further, as shown in fig. 4 and 5, the multi-stage sealing protrusion structure is a three-stage sealing structure, and includes a first sealing protrusion line 101, a second sealing protrusion line 102, and a third sealing protrusion line 103 which are axially spaced apart from each other.
In this embodiment, the top portions (the outer edges of the sealing protrusion lines) of the first sealing protrusion line 101, the second sealing protrusion line 102, and the third sealing protrusion line 103 are arranged in a triangular shape, and when the plug is plugged into the socket, the first sealing protrusion line 101, the second sealing protrusion line 102, and the third sealing protrusion line 103 contact with the inner surface of the socket, which makes the contact area between the socket and the plug small, the plug plugging resistance small, and the sealing is firmer and more reliable.
Further, as shown in fig. 1, 2, and 5, the first connection structure includes a first wedge surface 104 disposed at an axial first end of the seal body.
Further, as shown in fig. 1, 2, and 5, the second connecting structure includes a first lower fitting boss 105 and a second lower fitting boss 106 provided at the second axial end of the seal body.
The first wedge surface 104, the first lower fitting projection 105 and the second lower fitting projection 106 facilitate the connection of the seal structure 1 with the separation prevention cover 2 and the plug housing 3.
The utility model also provides a cable connection structure which comprises the high-voltage connector plug, and the high-voltage connector plug is connected to a high-voltage connector socket in an inserting manner.
After the high-voltage connector plug and the high-voltage connector socket are plugged, the compressed volume of the sealing element structure 1 accounts for 50-85% of the initial volume ratio of the sealing element structure 1.
In order to verify that the volume behind the compression of sealing member structure 1 accounts for the life of sealing member structure 1 initial volume and to the influence of plug insertion socket insertion power, the utility model discloses the people chooses for use the plug of the same sealing member structure 1 and the same specification, the socket of different specifications, plug and socket plug number of times and to the insertion power of plug and socket test, in this embodiment, can realize the different compression ratios of sealing member structure 1 when the socket of different specifications is pegged graft with the plug of the same specification and the same sealing member body.
The waterproof grade test method uses a waterproof 5-grade test method as follows: carrying out a water spraying test;
test equipment: the inner diameter of the water spray nozzle of the nozzle is 6.3mm under the test condition: the distance between the connection structure after the plug and the socket are plugged and the water jet is 2.5 m-3 m, and the water flow is 12.5L/min (750L/h).
Test time: and (3) calculating according to the surface area of the shell of the cable connection structure after the detected plug and the socket are plugged, wherein the surface area of the shell is 1min (excluding the installation area) per square meter and is at least 3 min. In this embodiment, utility model people set for and use the test method that waterproof grade is 5 grades, and plug and socket are inserted and are closed the back, and sealing member structure 1 reaches water-proof effects and is qualified.
The insertion force test method comprises the following steps: use the push-pull dynamometer test to act on the plug, wait that the plug inserts the socket and inserts the back of closing, the push-pull dynamometer reading that reachs, in this embodiment, the utility model people sets for plug and socket insertion force to set for and is less than 95N for qualified.
Table 1: the volume of the seal structure 1 after compression is a percentage of the initial volume of the seal structure 1, the influence on whether the seal body is water-tight and the influence on the insertion force.
Figure BDA0003388694040000071
As can be seen from table 1, when the volume of the compressed sealing member structure 1 is greater than 85% of the initial volume of the sealing member structure 1, the sealing member body of the cable connection structure after the plug and the socket are plugged is not waterproof, and cannot meet the use requirement; when the compressed volume of the sealing element structure 1 accounts for less than 50 percent of the initial volume of the sealing element structure 1, the insertion force of the plug and the socket is more than 95N, and the qualified value requirement cannot be met. The percentage of the compressed volume of the seal structure 1 in the initial volume of the seal structure 1 is selected by the utility model to be 50-85%.
IP is a code number which is internationally used for identifying the protection grade, the IP grade consists of two numbers, and the first number X in IPXX represents dust prevention; the second number X is indicated by water resistance, the larger the number the better the protection rating.
The dustproof grades are 8 grades in total and are 0-7 grades respectively; level 0 is no protection and no special protection; level 1 is to prevent the invasion of objects larger than 50mm and prevent the human body from accidentally touching the internal parts of the electrical equipment; level 2 is to prevent the intrusion of objects larger than 12.5mm and prevent fingers from touching the internal parts of the electrical equipment; class 3 prevents the intrusion of objects larger than 2.5mm, and prevents the intrusion of tools, wires or objects with a diameter larger than 2.5 mm; the 4 grade is to prevent the invasion of objects larger than 1.0mm and prevent the invasion of mosquitoes, flies, insects or objects with the diameter larger than 1.0 mm; the grade 5 is dustproof, so that dust cannot be completely prevented from invading, but the invasion amount of dust cannot influence the normal operation of the electric appliance; the grade 6 is dust density, so that dust is completely prevented from invading;
the waterproof grades are 9 grades and are respectively 0-8 grades; the 0 level is no protection, and no special protection is provided for water or moisture; the level 1 is to prevent water drops from immersing, and the vertically falling water drops can not damage the electric appliance; when the 2-level is inclined by 15 degrees, water drops can be prevented from entering, and when the electrical equipment is inclined to 15 degrees from the vertical direction, the water drops can not damage the electrical equipment; the 3 level is to prevent the sprayed water from soaking, and prevent the rainwater or the water sprayed in the direction with the vertical included angle less than 60 degrees from invading the electric appliance to cause damage; the 4-level is used for preventing the entry of splashed water and preventing the entry of water splashed from all directions; the 5 level is used for preventing the sprayed water from entering and preventing the water sprayed from the nozzles from all directions from entering the electric appliance to cause damage; level 6 is to prevent the water invasion of the big waves and prevent the damage caused by the invasion of the big waves; the 7-level is used for preventing water from entering during soaking, and the electrical equipment is soaked in the water for a certain time or the water pressure is below a certain standard, so that the damage caused by soaking can be avoided; and the 8-level is used for preventing water from being immersed in the sinking process, and the electric equipment can be ensured not to be damaged due to immersion in water under the condition of indefinite sinking under certain water pressure.
Adopt sealing member structure 1 in the high voltage connector plug, can effectively prevent water or granule to get into in the high voltage connector plug. Through the design of the utility model, the dustproof grade of the sealing element structure 1 can reach 4 grades, 5 grades and 6 grades, the waterproof grade can reach 5 grades, 6 grades, 7 grades and 8 grades, and the requirements of various use environments can be met by selecting IP67 and IP6K 9K.
From the above, the high-voltage connector plug, the sealing element structure and the cable connection structure have the following beneficial effects:
the sealing element structure provided by the utility model can form multi-stage sealing in the insertion process of the plug and the socket, the sealing is firmer and more reliable, and the matching stability and the electrical safety of the plug and the socket are enhanced; the multi-stage sealing bulge structure of the sealing element structure is in contact with the inner surface of the socket, so that the contact area between the socket and the plug is small, the plug plugging resistance is small, and the sealing is firmer and more reliable;
in the plug of the high-voltage connector, the joint surface of the anti-falling cover 2 and the sealing element structure is an inclined surface, the first wedge-shaped surface 104 is embedded in the anti-falling cover, and the anti-falling cover downwards compresses the sealing element structure to keep the sealing element structure from being distorted and deformed, so that the sealing element structure is prevented from being distorted and deformed when the socket and the plug are plugged; when the anti-drop cover is assembled, the second wedge-shaped surface 201 of the anti-drop cover slightly applies force on the first wedge-shaped surface 104 of the sealing element structure, so that the sealing element structure generates plastic deformation, and the sealing effect of the sealing element structure can be enhanced;
in the high-voltage connector plug, the first lower embedded bosses 105 and the second lower embedded bosses 106 of the sealing element body are alternately embedded in the first connecting groove 301 and the second connecting groove 302 of the plug shell, the pressure conduction of the anti-drop cover 2 has a certain sealing effect at the position, the sealing element structure is hermetically connected with the plug shell, the sealing element structure is prevented from moving up and down, twisting and deforming when the plug and the socket are plugged, meanwhile, the first connecting groove 301 and the second connecting groove 302 are designed to prevent the sealing element structure from deforming when the plug and the socket are plugged, the first lower embedded bosses 105 and the second lower embedded bosses 106 are alternately distributed to prevent the sealing element from rotating, and the occurrence of sealing failure is reduced; the barb of anticreep lid 2 tightly blocks in plug housing's third spread groove 401, and the sealing member structure receives anticreep lid 2's overdraft, has strengthened the sealed effect of sealing member structure.
The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention. Any equivalent changes and modifications that can be made by one skilled in the art without departing from the spirit and principles of the utility model should fall within the protection scope of the utility model.

Claims (14)

1. The high-voltage connector plug is characterized by comprising a plug body, wherein a sealing element structure is sleeved on the outer wall of the plug body and comprises a sealing element body, a multi-stage sealing bulge structure is arranged on the outer wall of the sealing element body, and a first connecting structure is arranged at the first axial end of the sealing element body; the plug body is further sleeved with an anti-falling cover, and the first end of the anti-falling cover is connected with the first connecting structure in a buckling and pressing mode.
2. The high-voltage connector plug of claim 1, wherein the inner wall of the first end of the anti-slip cover has a second wedge surface thereon, and the first connection structure includes a first wedge surface disposed at the first axial end of the seal body, the second wedge surface pressing the first wedge surface against the outer wall of the plug body.
3. A high voltage connector plug as claimed in claim 2 wherein said plug body, said seal arrangement and said anti-slip cover are externally sleeved with a plug housing.
4. A high voltage connector plug as claimed in claim 3 wherein the axial second end of the seal body is provided with a second connecting formation for connection with the plug housing.
5. The high voltage connector plug of claim 4, wherein the second connection structure includes a first and second lower nesting boss disposed at an axial second end of the seal body; the plug comprises a plug shell and is characterized in that a first connecting groove and a second connecting groove are formed in the plug shell at intervals along the circumferential direction, a first lower embedded boss is connected in the first connecting groove in a sealing and embedded mode, and a second lower embedded boss is connected in the second connecting groove in a sealing and embedded mode.
6. The high voltage connector plug of claim 2, wherein an inner wall of the first end of the run-off prevention cover is provided with a barb; and a third connecting groove is formed in the side wall of the plug body, and the barb can be clamped in the third connecting groove.
7. The high-voltage connector plug as claimed in claim 1, wherein the multi-stage sealing protrusion structure is provided protruding from a side surface of the anti-slip cover.
8. A sealing member structure, for use in a high-voltage connector plug as claimed in any one of claims 1 to 7, comprising a sealing member body arranged in a sleeve-like configuration, wherein a multi-stage sealing protrusion structure is provided on an outer wall of the sealing member body, a first connecting structure is provided at an axial first end of the sealing member body, and a second connecting structure is provided at an axial second end of the sealing member body.
9. The seal arrangement of claim 8, wherein the multi-stage seal land arrangement includes a first seal land line, a second seal land line, and a third seal land line spaced axially apart.
10. The seal structure of claim 9, wherein the first seal bead line, the second seal bead line, and the third seal bead line are arranged with a triangular top.
11. The seal arrangement of claim 8, wherein the first connection arrangement includes a first wedge surface disposed at an axial first end of the seal body.
12. The seal structure of claim 8, wherein the second connection structure includes a first and second lower nesting boss disposed at an axial second end of the seal body.
13. A cable connection structure comprising a high-voltage connector plug according to any one of claims 1 to 7, which is plug-connected to a high-voltage connector socket.
14. The cable connection structure of claim 13, wherein the compressed volume of the seal body after mating the high voltage connector plug and the high voltage connector receptacle is 50% to 85% of the initial volume of the seal body.
CN202123009250.6U 2021-12-02 2021-12-02 High-voltage connector plug, sealing element structure and cable connection structure Active CN216355015U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202123009250.6U CN216355015U (en) 2021-12-02 2021-12-02 High-voltage connector plug, sealing element structure and cable connection structure
PCT/CN2022/131381 WO2023098452A1 (en) 2021-12-02 2022-11-11 High-voltage connector plug, seal structure and cable connecting structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202123009250.6U CN216355015U (en) 2021-12-02 2021-12-02 High-voltage connector plug, sealing element structure and cable connection structure

Publications (1)

Publication Number Publication Date
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WO2023098452A1 (en) * 2021-12-02 2023-06-08 长春捷翼汽车科技股份有限公司 High-voltage connector plug, seal structure and cable connecting structure

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CN216355015U (en) * 2021-12-02 2022-04-19 长春捷翼汽车零部件有限公司 High-voltage connector plug, sealing element structure and cable connection structure

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023098452A1 (en) * 2021-12-02 2023-06-08 长春捷翼汽车科技股份有限公司 High-voltage connector plug, seal structure and cable connecting structure

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Address after: No. 957, Shunda Road, Gaoxin District, Changchun City, Jilin Province, 130000

Patentee after: Changchun Jieyi Automobile Technology Co.,Ltd.

Address before: 130000, 1st floor, 957 Shunda Road, high tech Development Zone, Chaoyang District, Changchun City, Jilin Province

Patentee before: CHANGCHUN JIEYI AUTO PARTS CO.,LTD.