CN110829105A - Interlocking terminal waterproof construction - Google Patents
Interlocking terminal waterproof construction Download PDFInfo
- Publication number
- CN110829105A CN110829105A CN201911045045.XA CN201911045045A CN110829105A CN 110829105 A CN110829105 A CN 110829105A CN 201911045045 A CN201911045045 A CN 201911045045A CN 110829105 A CN110829105 A CN 110829105A
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- terminal
- elastic sealing
- sealing element
- abutting
- shell
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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
- H01R13/521—Sealing between contact members and housing, e.g. sealing insert
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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
- H01R13/02—Contact members
- H01R13/04—Pins or blades for co-operation with sockets
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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
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
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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
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
- H01R13/42—Securing in a demountable manner
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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
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The invention provides an interlocking terminal waterproof structure, comprising: a housing, a resilient seal and a terminal; the shell comprises a shell body and an accommodating cavity, and the inner wall of the shell body is provided with a clamping bulge; the elastic sealing element is of a tubular structure matched with the shell, the outer side wall of the elastic sealing element is provided with a clamping groove, and the elastic sealing element can be fixed in the accommodating cavity of the shell through the matching of the clamping protrusion and the clamping groove; the terminal is provided with a plug-in part; the plug-in part and the elastic sealing element are in interference fit, and the elastic sealing element can be deformed to form sealing for the terminal through extrusion. According to the invention, the elastic sealing element is arranged in the shell of the tubular structure, the plug-in part of the terminal can be inserted into the elastic sealing element, the plug-in part is in interference fit with the elastic sealing element, and the elastic sealing element can be deformed through extrusion so as to enable the terminal in the shell to form sealing based on the elastic sealing element, thereby realizing the single-end independent waterproof effect of the interlocking terminal, providing convenience for the installation operation of the terminal and improving the safety of the terminal.
Description
Technical Field
The invention relates to the technical field of connectors, in particular to a waterproof structure of an interlocking terminal.
Background
The high-voltage interlock is one of the functions of the existing connectors, and although most connectors have a waterproof function, the interlock terminal position is not waterproof.
The existing connector generally forms a sealed space through plug and socket matching, so that the interlocking terminal is waterproof, and single-end independent waterproof of the interlocking terminal cannot be realized.
Disclosure of Invention
The present invention is directed to solve the above problems in the prior art, and provides a waterproof structure for an interlock terminal, including:
a housing, a resilient seal and a terminal;
the shell comprises a shell body and an accommodating cavity arranged in the shell body, and the inner wall of the shell body is provided with a clamping bulge;
the elastic sealing element is of a tubular structure matched with the shell, the outer side wall of the elastic sealing element is provided with a clamping groove corresponding to the clamping protrusion, and the elastic sealing element can be fixed in the accommodating cavity of the shell through the matching of the clamping protrusion and the clamping groove;
the terminal is provided with an inserting part which can be arranged in the tubular structure of the elastic sealing element in a penetrating way; and, the grafting portion with elastic sealing element interference fit can make through the extrusion elastic sealing element takes place the deformation and forms the sealed to the terminal.
Preferably, the clamping protrusion is an annular protrusion structure arranged on the inner wall of the shell, and the clamping protrusion extends from the inner wall of the shell to the axis direction of the shell;
the clamping groove of the elastic sealing element is of an annular groove structure which corresponds to the clamping protrusion and is arranged on the outer side wall.
Preferably, the elastic sealing member comprises a head part, a waist part and an antiskid part which are connected in sequence;
the outer diameters of the head part and the anti-skid part are larger than that of the waist part, and the head part, the waist part and the anti-skid part form a clamping groove arranged at the waist part;
the terminal can penetrate the anti-slip part, the waist part and the head part from the rear end in sequence.
Preferably, a limiting surface is arranged at the joint of the antiskid part and the waist part of the elastic sealing element;
the terminal also comprises an abutting part connected with the inserting part;
the outer diameter of the abutting part is larger than that of the inserting part, and the outer diameter of the abutting part is matched with the inner diameter of the anti-skidding part; wherein, one end of the abutting part facing the inserting part is provided with an abutting surface;
when the terminal is assembled with the elastic sealing element, the abutting surface abuts against the limiting surface.
Preferably, the waist part of the elastic sealing element is provided with a first convex rib towards the outer side surface of the inner wall of the shell;
when the abutting part of the terminal is inserted into the waist part, the abutting part is in interference fit with the waist part, so that the first convex rib of the waist part of the elastic sealing element is extruded to form sealing.
Preferably, the waist of the elastic sealing element faces to the inner side surface of the outer wall of the terminal abutting part and is provided with a second convex rib;
when the abutting part of the terminal is inserted into the waist part, the abutting part is in interference fit with the second convex rib of the waist part, so that the second convex rib of the waist part of the elastic sealing element is extruded to form sealing.
Preferably, the terminal further comprises a fixing part arranged at one end different from the inserting part; the fixed part is connected with the abutting part;
the interlocking terminal waterproof structure further comprises an insulating shell;
the inner diameter of the insulating shell is matched with the outer diameter of the fixing part of the terminal, and the insulating shell can be sleeved on the outer side of the fixing part and is connected with the elastic sealing element at the front end.
Preferably, a joint of the fixed part and the joint of the abutting part is provided with an abutting groove;
the insulating shell comprises an insulating body and a clamping jaw arranged at the front end of the insulating body;
when the insulating shell is sleeved on the fixing part of the terminal, the clamping jaw can be inserted into the abutting groove, so that the clamping jaw of the insulating shell is clamped between the fixing part on the inner side and the elastic sealing element on the outer side.
Preferably, the abutting groove is an inclined groove inclined from the fixed portion to the abutting portion from high to low;
the jack catch comprises a plurality of unit slices for having elastic property, so that the unit slices can be respectively placed into the inclined butt joint grooves, and the insulating shell is clamped with the terminals.
The invention provides an interlocking terminal waterproof structure, comprising: a housing, a resilient seal and a terminal; the shell comprises a shell body and an accommodating cavity arranged in the shell body, and the inner wall of the shell body is provided with a clamping bulge; the elastic sealing element is of a tubular structure matched with the shell, the outer side wall of the elastic sealing element is provided with a clamping groove corresponding to the clamping protrusion, and the elastic sealing element can be fixed in the accommodating cavity of the shell through the matching of the clamping protrusion and the clamping groove; the terminal is provided with an inserting part which can be arranged in the tubular structure of the elastic sealing element in a penetrating way; and, grafting portion and elastic sealing element interference fit can make elastic sealing element take place deformation and form the sealed to the terminal through the extrusion. According to the invention, the elastic sealing element is arranged in the shell of the tubular structure, the inserting part of the terminal can be inserted into the elastic sealing element, so that the terminal, the elastic sealing element and the shell form a nested structure from inside to outside, the inserting part is in interference fit with the elastic sealing element, and the elastic sealing element can be deformed by extrusion so as to form sealing based on the elastic sealing element on the terminal in the shell, so that the single-end independent waterproof effect of the interlocking terminal is realized, convenience is provided for the installation operation of the terminal, and the safety of the terminal is improved.
Drawings
Fig. 1 is an overall structural schematic view of an interlocking terminal waterproofing structure provided by an embodiment;
fig. 2 is an exploded schematic view of an interlocking terminal waterproofing structure provided by the embodiment;
fig. 3 is a schematic sectional view of a waterproof structure of an interlock terminal according to an embodiment;
fig. 4 is a schematic structural view of an elastic sealing member of the interlocking terminal waterproofing structure provided by the embodiment;
fig. 5 is a schematic sectional view of an elastic sealing member of the interlocking terminal waterproofing structure provided by the embodiment;
fig. 6 is a schematic structural view of a housing of the interlocking terminal waterproofing structure according to the embodiment;
fig. 7 is a schematic structural view of a terminal of the interlocking terminal waterproofing structure provided by the embodiment;
fig. 8 is a schematic structural view of an insulating housing of the interlocking terminal waterproofing structure according to the embodiment.
Reference numerals:
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The present invention will be described in further detail with reference to the following detailed description and accompanying drawings.
Example (b):
referring to fig. 1 to 8, the present embodiment provides a waterproof structure of an interlock terminal 3, including:
a housing 1, an elastic seal 2 and a terminal 3;
the shell 1 comprises a shell body 11 and an accommodating cavity 12 arranged in the shell body 11, wherein a clamping protrusion 13 is arranged on the inner wall of the shell body 11;
the elastic sealing element 2 is of a tubular structure matched with the shell 1, the outer side wall of the elastic sealing element is provided with a clamping groove 21 corresponding to the clamping protrusion 13, and the elastic sealing element can be fixed in the accommodating cavity 12 of the shell 1 through the matching of the clamping protrusion 13 and the clamping groove 21;
the terminal 3 is provided with a plug-in part 31 which can be arranged in the tubular structure of the elastic sealing element 2 in a penetrating way; the insertion portion 31 is in interference fit with the elastic sealing member 2, and the elastic sealing member 2 can be deformed by pressing to form a seal with respect to the terminal 3.
The housing 1 and the elastic sealing member 2 are both tubular structures, and the housing 1, the elastic sealing member 2 and the internal terminal 3 can be nested from outside to inside.
The elastic sealing element 2 is made of a material that can deform with a certain elasticity, and may include, but is not limited to, rubber, silicone, elastic plastic, and the like.
Above-mentioned, elastic sealing element 2, be equivalent to the middle part and be equipped with the opening, this opening and terminal 3's size looks adaptation, and elastic sealing element 2 is in shell 1, and with the 12 space size looks adaptations in the holding chamber of shell 1, the grafting portion 31 of terminal 3 can penetrate this opening, after penetrating this opening, make elastic sealing element 2 take place elastic deformation, thereby make nested elastic sealing element 2 realize all realizing sealedly to terminal 3 inside and 11 inside walls of casing to the outside, thereby reach water-proof effects.
This embodiment is through setting up an elastic sealing element 2 in tubular structure's shell 1, the grafting portion 31 of terminal 3 can insert in elastic sealing element 2, thereby make terminal 3, elastic sealing element 2 and shell 1 from interior to exterior constitute nested structure, grafting portion 31 and 2 interference fit of elastic sealing element, thereby can make the terminal 3 formation based on elastic sealing element 2 in the shell 1 of elastic sealing element 2 deformation through the extrusion, thereby realized the single waterproof effect of interlocking terminal 3 single-ended, installation operation provides convenience for terminal 3, the security of terminal 3 has been improved.
Preferably, the clamping protrusion 13 is an annular protrusion structure disposed on the inner wall of the housing 11, and the clamping protrusion 13 extends from the inner wall of the housing 11 to the axis direction of the housing 11;
the clamping groove 21 of the elastic sealing element 2 is of an annular groove structure which corresponds to the clamping protrusion 13 and is arranged on the outer side wall.
The clamping protrusion 13 is a ring-shaped protrusion structure formed along the inner wall of the housing 11, and the protrusion of the protrusion structure extends from the inner wall of the housing 11 to the axial direction for clamping and sealing with the elastic sealing element 2.
Draw-in groove 21 and the protruding 13 looks adaptations of this joint of elastic sealing element 2, it is concrete, elastic sealing element 2 is the tubular structure, and draw-in groove 21 is the groove around the periphery round to when the installation, the protruding 13 cards of joint are gone into in this annular draw-in groove 21, realize cooperation between the two, thereby make elastic sealing element 2 be fixed in casing 11.
Preferably, the elastic sealing member 2 comprises a head portion 22, a waist portion 23 and an anti-slip portion 24 connected in sequence;
the outer diameters of the head part 22 and the anti-skid part 24 are both larger than that of the waist part 23, and the head part 22, the waist part 23 and the anti-skid part 24 form a clamping groove 21 arranged at the position of the waist part 23;
the terminal 3 can penetrate the non-slip portion 24, the waist portion 23 and the head portion 22 in sequence from the rear end.
The elastic sealing member 2 includes 3 portions, which are a head portion 22, a waist portion 23, and an anti-slip portion 24 in this order from front to back. The elastic seal member 2 may be a three-part combination structure or an integrated structure.
The waist 23 of the middle part of the elastic sealing member 2 is smaller in outer diameter than the head 22 and the anti-slip part 24, so as to form a stepped structure with a lower middle part and two higher ends, the lower middle part forms a clamping groove 21 for clamping with the clamping bulge 13, and the terminal 3 can sequentially penetrate the anti-slip part 24 and the waist 23 and extend out of the head 22 at the front end.
Preferably, a limiting surface 25 is arranged at the joint of the antiskid part 24 and the waist part 23 of the elastic sealing element 2;
the terminal 3 further includes an abutting portion 32 connected to the insertion portion 31;
the outer diameter of the abutting part 32 is larger than that of the inserting part 31, and the outer diameter of the abutting part 32 is matched with the inner diameter of the anti-skid part 24; wherein, one end of the abutting part 32 facing the inserting part 31 is provided with an abutting surface 33;
when the terminal 3 is assembled with the elastic sealing member 2, the abutting surface 33 abuts against the limiting surface 25.
The abutting portion 32 and the inserting portion 31 are connected to each other, and may be of an integral structure or a separate combination structure.
The outer diameter of the abutting portion 32 is larger than that of the insertion portion 31, thereby forming a stepped structure. During assembly, the inserting part 31 penetrates through the opening of the elastic sealing element 2, and the abutting surface 33 in the step structure abuts against the limiting surface 25, so that the integral terminal 3 abuts against the elastic sealing element 2, and the limiting fixation and sealing between the elastic sealing element and the terminal are realized.
Preferably, the waist 23 of the elastic sealing member 2 is provided with a first rib 26 facing the outer side of the inner wall of the housing 11;
when the abutting portion 32 of the terminal 3 is inserted into the waist portion 23, the abutting portion 32 is in interference fit with the waist portion 23, so that the first rib 26 of the waist portion 23 of the elastic sealing member 2 is pressed to form a seal.
Above-mentioned, first protruding muscle 26 is located on elastic sealing element 2, and on the lateral surface of elastic sealing element 2 towards the casing 11 inner wall, this protruding muscle is the annular structure around 2 outside a week of elastic sealing element, so that when inserting portion 31 at terminal 3 penetrates elastic sealing element 2, butt portion 32 puts into in the cavity of elastic sealing element 2, because the two is interference fit, make elastic sealing element 2 take place deformation, thereby the first protruding muscle 26 in the outside takes place to contact and extrusion deformation forms sealedly with the casing 11 inner wall, thereby realized the sealing between elastic sealing element 2 and the shell 1, waterproof performance has further been improved.
Preferably, the waist 23 of the elastic seal 2 faces the inner side surface of the outer wall of the contact part 32 of the terminal 3 and is provided with a second convex rib 27;
when the abutting portion 32 of the terminal 3 is inserted into the waist portion 23, the abutting portion 32 is in interference fit with the second rib 27 of the waist portion 23, so that the second rib 27 of the waist portion 23 of the elastic sealing member 2 is pressed to form a seal.
Above-mentioned, the protruding muscle 27 of second is located in the elastic sealing element 2, with the tubular structure phase-match of elastic sealing element 2, for annular structure, insert elastic sealing element 2 back through the opening when the grafting portion 31 of terminal 3, in butt portion 32 gets into the cavity in the elastic sealing element 2, interference fit takes place for both to make the protruding muscle 27 of second contact butt portion 32's outer wall and take place elastic deformation, thereby realized the sealed between terminal 3 and the elastic sealing element 2, further improved waterproof performance.
Preferably, the terminal 3 further includes a fixing portion 34 disposed at an end different from the insertion portion 31; the fixed portion 34 is connected to the abutting portion 32;
the interlocking terminal 3 waterproof structure further comprises an insulating shell 4;
the inner diameter of the insulating shell 4 is matched with the outer diameter of the fixing part 34 of the terminal 3, and the insulating shell 4 can be sleeved outside the fixing part 34 and connected with the elastic sealing element 2 at the front end.
The insulating housing 4 is disposed in the housing 1 and is fitted outside the fixing portion 34 of the terminal 3 in the axial direction. The function of realizing insulation protection for the original parts in the fixing part 34 with the terminal 3 and the function of limiting and fixing the position of the terminal 3 are realized.
Preferably, an abutting groove 341 is formed at the joint of the fixing portion 34 and the abutting portion 32;
the insulating shell 4 comprises an insulating body 42 and a claw 41 arranged at the front end of the insulating body 42;
when the insulating housing 4 is fitted on the fixing portion 34 of the terminal 3, the claws 41 can be inserted into the abutting grooves 341, so that the claws 41 of the insulating housing 4 are engaged between the fixing portion 34 on the inner side and the elastic sealing member 2 on the outer side.
Above-mentioned, the jack catch 41 can be arranged in the clamping groove.
The casing 1 body is by its inside annular joint protruding 13, with the part of two intercommunications of preceding cavity and back cavity of dividing into of inside holding chamber 12, wherein preceding cavity is used for cooperating grafting usefulness with subtend corresponding terminal 3, for exposing the region, begins backward by the protruding 13 positions of joint, for sealed region, realizes the region to 3 rear end original paper water-proof effects of terminal promptly.
The plug portion 31 of the terminal 3 is a columnar structure, similar to a plug, the main body is extended out through the opening of the elastic sealing member 2 and is disposed in the front cavity, the abutting portion 32 is disposed in the cavity of the elastic sealing member 2 completely, and a part of the front end of the fixing portion 34 of the rear end of the terminal 3 is also disposed in the cavity of the elastic sealing member 2.
In order to prevent the terminal 3 from shaking or shifting after entering the elastic sealing member 2, the insulating body 42 is matched with the fixing portion 34 of the terminal 3 in the embodiment, so as to realize the fixing function.
Specifically, the fixing portion 34 is provided with a contact groove 341, which is an annular groove surrounding the fixing portion 34 by one turn, the insulating housing 4 is sleeved outside the fixing portion 34, and the jaw 41 extends toward the insertion portion 31 and can be placed into the contact groove 341, so that the jaw 41 is matched with the contact groove 341, the jaw 41 and the elastic sealing element 2 from inside to outside, and the three are in stacked cooperation to fix the internal terminal 3.
Preferably, the abutting groove 341 is a tapered groove inclined from the fixing portion 34 to the abutting portion 32 from high to low;
the latch 41 has elasticity and is composed of a plurality of unit pieces 411, so that the unit pieces 411 can be respectively placed in the inclined abutting grooves 341 to clamp the insulating case 4 and the terminals 3.
The contact groove 341 is a tapered groove and is constricted in the direction of the contact portion 32 by the fixing portion 34.
And jack catch 41, can be for having certain elastic material, a plurality of independent cell pieces 411 of its whole atmosphere, when the assembly, every cell piece 411 can both be put into the chute, thereby by interior outer overlapping joint respectively, form terminal 3, jack catch 41, the cooperation between the 2 three of elastic sealing element, realize inseparabler overlapping joint between the three, realize more firm fixed to inside terminal 3, avoided terminal 3 to appear rocking or the condition of displacement.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or 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 invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. 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 foregoing is a more detailed description of the present invention that is presented in conjunction with specific embodiments, and the practice of the invention is not to be considered limited to those descriptions. It will be apparent to those skilled in the art that a number of simple derivations or substitutions can be made without departing from the inventive concept.
Claims (9)
1. An interlocking terminal waterproofing structure, comprising:
a housing, a resilient seal and a terminal;
the shell comprises a shell body and an accommodating cavity arranged in the shell body, and the inner wall of the shell body is provided with a clamping bulge;
the elastic sealing element is of a tubular structure matched with the shell, the outer side wall of the elastic sealing element is provided with a clamping groove corresponding to the clamping protrusion, and the elastic sealing element can be fixed in the accommodating cavity of the shell through the matching of the clamping protrusion and the clamping groove;
the terminal is provided with an inserting part which can be arranged in the tubular structure of the elastic sealing element in a penetrating way; and, the grafting portion with elastic sealing element interference fit can make through the extrusion elastic sealing element takes place the deformation and forms the sealed to the terminal.
2. The interlocking terminal waterproof structure of claim 1, wherein the clamping protrusion is an annular protrusion structure disposed on the inner wall of the housing, and the clamping protrusion extends from the inner wall of the housing toward the axial center of the housing;
the clamping groove of the elastic sealing element is of an annular groove structure which corresponds to the clamping protrusion and is arranged on the outer side wall.
3. The interlocking terminal waterproofing structure according to claim 1 wherein said elastic sealing member comprises a head portion, a waist portion and a non-slip portion which are connected in this order;
the outer diameters of the head part and the anti-skid part are larger than that of the waist part, and the head part, the waist part and the anti-skid part form a clamping groove arranged at the waist part;
the terminal can penetrate the anti-slip part, the waist part and the head part from the rear end in sequence.
4. The interlocking terminal waterproofing structure according to claim 3 wherein a stopper surface is provided at a junction of the non-slip portion and the waist portion of the elastic sealing member; the terminal also comprises an abutting part connected with the inserting part; the outer diameter of the abutting part is larger than that of the inserting part, and the outer diameter of the abutting part is matched with the inner diameter of the anti-skidding part; wherein, one end of the abutting part facing the inserting part is provided with an abutting surface; when the terminal is assembled with the elastic sealing element, the abutting surface abuts against the limiting surface.
5. The interlocking terminal waterproofing structure according to claim 4 wherein the waist portion of said elastic sealing member is provided with a first rib toward the outer side surface of the inner wall of said housing;
when the abutting part of the terminal is inserted into the waist part, the abutting part is in interference fit with the waist part, so that the first convex rib of the waist part of the elastic sealing element is extruded to form sealing.
6. The interlocking terminal waterproofing structure according to claim 4 wherein the waist portion of the elastic sealing member is provided with a second rib toward the inner side surface of the outer wall of the terminal abutting portion;
when the abutting part of the terminal is inserted into the waist part, the abutting part is in interference fit with the second convex rib of the waist part, so that the second convex rib of the waist part of the elastic sealing element is extruded to form sealing.
7. The interlocking terminal waterproofing structure according to claim 4,
the terminal also comprises a fixing part which is arranged at one end different from the inserting part; the fixed part is connected with the abutting part;
the interlocking terminal waterproof structure further comprises an insulating shell;
the inner diameter of the insulating shell is matched with the outer diameter of the fixing part of the terminal, and the insulating shell can be sleeved on the outer side of the fixing part and is connected with the elastic sealing element at the front end.
8. The interlocking terminal waterproofing structure according to claim 7,
a butting groove is formed at the joint of the fixing part and the butting part;
the insulating shell comprises an insulating body and a clamping jaw arranged at the front end of the insulating body;
when the insulating shell is sleeved on the fixing part of the terminal, the clamping jaw can be inserted into the abutting groove, so that the clamping jaw of the insulating shell is clamped between the fixing part on the inner side and the elastic sealing element on the outer side.
9. The interlocking terminal waterproofing structure according to claim 8,
the abutting groove is an inclined groove which is inclined from the fixed part to the abutting part from high to low; the jack catch comprises a plurality of unit slices for having elastic property, so that the unit slices can be respectively placed into the inclined butt joint grooves, and the insulating shell is clamped with the terminals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911045045.XA CN110829105A (en) | 2019-10-30 | 2019-10-30 | Interlocking terminal waterproof construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911045045.XA CN110829105A (en) | 2019-10-30 | 2019-10-30 | Interlocking terminal waterproof construction |
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| CN110829105A true CN110829105A (en) | 2020-02-21 |
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| CN201911045045.XA Pending CN110829105A (en) | 2019-10-30 | 2019-10-30 | Interlocking terminal waterproof construction |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112994319A (en) * | 2021-02-26 | 2021-06-18 | 毛寒秋 | Motor lead waterproof construction |
| CN114704640A (en) * | 2022-04-01 | 2022-07-05 | 大禹节水(天津)公司 | Sealing structure and sealing method for signal wire of ultrasonic water meter |
| WO2023042054A1 (en) * | 2021-09-16 | 2023-03-23 | Synapticon GmbH | Integrated motor device with plug-connected motor unit and servo drive unit |
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2019
- 2019-10-30 CN CN201911045045.XA patent/CN110829105A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112994319A (en) * | 2021-02-26 | 2021-06-18 | 毛寒秋 | Motor lead waterproof construction |
| WO2023042054A1 (en) * | 2021-09-16 | 2023-03-23 | Synapticon GmbH | Integrated motor device with plug-connected motor unit and servo drive unit |
| CN114704640A (en) * | 2022-04-01 | 2022-07-05 | 大禹节水(天津)公司 | Sealing structure and sealing method for signal wire of ultrasonic water meter |
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