CN114498189A - Electric vehicle charger with plug anti-drop mechanism - Google Patents
Electric vehicle charger with plug anti-drop mechanism Download PDFInfo
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- CN114498189A CN114498189A CN202210085922.1A CN202210085922A CN114498189A CN 114498189 A CN114498189 A CN 114498189A CN 202210085922 A CN202210085922 A CN 202210085922A CN 114498189 A CN114498189 A CN 114498189A
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- 239000011810 insulating material Substances 0.000 claims description 6
- 239000012634 fragment Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 6
- 230000005489 elastic deformation Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
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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
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
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Abstract
The application provides an electric vehicle charging ware with plug anti-drop mechanism relates to charger technical field, and its technical essential lies in: the anti-falling mechanism comprises a first elastic sheet, one end of the first elastic sheet is fixedly connected with the positive terminal, the other end of the first elastic sheet is fixedly connected with a first barb, and the first barb is positioned on one surface of the first elastic sheet, which is far away from the positive terminal; after the positive terminal is inserted into the positive jack of the socket, the first barb can hook the edge of the positive jack to limit the positive terminal to be pulled out of the positive jack. The electric vehicle charger with plug anti-drop mechanism that this embodiment provided, with the plug back of pegging graft on the socket, positive terminal inserts in positive terminal, and first shell fragment passes positive terminal jack, and positive terminal jack is crossed to first barb, and when positive terminal moved towards the direction of extracting positive terminal jack, the edge of positive terminal jack was colluded to first barb, and positive terminal jack is extracted to the restriction positive terminal to prevent that the plug from droing from the socket.
Description
Technical Field
The application relates to the technical field of chargers, in particular to an electric vehicle charger with a plug anti-falling mechanism.
Background
The electric vehicle charger is a device for charging a battery in an electric vehicle, and generally comprises a shell, a circuit board, a plug and a charging interface, wherein the circuit board is fixed inside the shell, the plug is connected with the circuit board through an electric wire, the charging interface is connected with the circuit board through an electric wire, in the working process, the charging interface is connected with an interface on the electric vehicle, the plug is inserted into a socket, after the socket is powered on, electronic components on the circuit board convert current and voltage, and the converted current and voltage are matched with charging parameters of the electric vehicle.
The plug of electric vehicle charging ware among the prior art includes the insulating block usually, positive terminal and negative terminal, the inoxidizing coating and the insulating block fixed connection of electric wire, positive wire and negative conductor in the electric wire are connected with positive terminal and negative terminal electricity respectively, in the use, positive terminal and negative terminal insert respectively in the positive jack and the negative jack of socket, receive when the electric wire and pull the effort after, positive terminal and negative terminal pull out from positive jack and negative jack easily, lead to the plug to drop from the socket.
Disclosure of Invention
The application provides an electric vehicle charger with plug anti-drop mechanism for solve the problem that the plug drops from the socket easily among the prior art.
In order to achieve the above purpose, the embodiments of the present application propose the following technical solutions:
an electric vehicle charger with a plug anti-drop mechanism comprises a shell, a circuit board, a plug, a charging interface and a wire, wherein the circuit board is fixed inside the shell, the charging interface is arranged at one end of the shell, the charging interface is electrically connected with the circuit board, the plug comprises an insulating block, a positive terminal and a negative terminal, the positive terminal and the negative terminal are respectively and fixedly connected with the insulating block, one end of the wire is fixedly connected with the other end of the shell, the other end of the wire is fixedly connected with the insulating block, one end of an internal lead of the wire is electrically connected with the circuit board, and the other end of the lead is respectively and electrically connected with the positive terminal and the negative terminal,
the anti-falling mechanism comprises a first elastic sheet, the first elastic sheet is arranged along the positive terminal, one end of the first elastic sheet is fixedly connected with the positive terminal, the first elastic sheet is positioned on one side of the positive terminal, the other end of the first elastic sheet is fixedly connected with a first barb, and the first barb is positioned on one side, far away from the positive terminal, of the first elastic sheet;
after the positive terminal is inserted into the positive jack of the socket, the first barb can hook the edge of the positive jack to limit the positive terminal to be pulled out of the positive jack.
In some embodiments, the anti-drop mechanism further includes a first mounting groove, the first mounting groove is disposed on a side of the positive terminal far away from the negative terminal, the first mounting groove is located at a end of the positive terminal close to the insulating block, the first elastic sheet is located in the first mounting groove, the first elastic sheet has elasticity, and the first barb can extend out of the first mounting groove or be inserted into the first mounting groove when the first elastic sheet is elastically deformed.
In some embodiments, the anti-falling mechanism further includes a first ejector rod, the first ejector rod is made of an insulating material, the first ejector rod is connected with the insulating block in a sliding manner, the first ejector rod is parallel to the positive terminal in the sliding direction of the insulating block, one end of the first ejector rod is located inside the first mounting groove, one end of the first ejector rod located inside the first mounting groove is located between the first elastic piece and the bottom surface of the first mounting groove, the first ejector rod can push or release the first elastic piece after sliding relative to the insulating block, the first barb can extend out of the first mounting groove after the first ejector rod pushes or releases the first elastic piece, the first barb can be inserted into the first mounting groove after the first ejector rod releases the first elastic piece, and the first ejector rod pushes or presses the first barb after sliding relative to the insulating block in the direction close to the first elastic piece The first ejector rod slides relative to the insulating block towards the direction far away from the first elastic sheet and then releases the first elastic sheet.
In some embodiments, the anti-falling mechanism further includes a first operation opening, the first operation opening is disposed on one side surface of the insulating block, and one end of the first ejector rod, which is far away from the first elastic sheet, is located inside the first operation opening.
In some embodiments, the anti-falling mechanism further includes a first push-pull block, the first push-pull block is located inside the first operation opening, the first push-pull block is fixedly connected with the first top rod, and the first push-pull block is slidably connected with the inner wall of the first operation opening along a direction parallel to the first top rod.
In some embodiments, the anti-falling mechanism further includes a second elastic sheet, the second elastic sheet is disposed along the negative terminal, one end of the second elastic sheet is fixedly connected to the negative terminal, the second elastic sheet is located on one side of the negative terminal, the other end of the second elastic sheet is fixedly connected to a second barb, and the second barb is located on one side of the second elastic sheet, which is far away from the negative terminal;
after the negative terminal is inserted into the negative jack of the socket, the second barb can hook the edge of the negative jack to limit the negative terminal to be pulled out of the negative jack.
In some embodiments, the anti-falling mechanism further includes a second mounting groove, the second mounting groove is disposed on a side of the negative terminal far away from the positive terminal, the second mounting groove is located at one end of the negative terminal close to the insulating block, the second elastic sheet is located in the second mounting groove, the second elastic sheet has elasticity, and the second barb can stretch out of the second mounting groove or be inserted into the second mounting groove when the second elastic sheet is elastically deformed.
In some embodiments, the anti-falling mechanism further includes a second ejector rod, the second ejector rod is made of an insulating material, the second ejector rod is connected with the insulating block in a sliding manner, the second ejector rod is parallel to the negative terminal in the direction in which the insulating block slides, one end of the second ejector rod is located inside the second mounting groove, one end of the second ejector rod located inside the second mounting groove is located between the second elastic piece and the bottom surface of the second mounting groove, the second ejector rod can push or release the second elastic piece after sliding relative to the insulating block, the second ejector rod can enable the second barb to extend out of the second mounting groove after pushing the second elastic piece, the second ejector rod can enable the second barb to be inserted into the second mounting groove after releasing the second elastic piece, and the second ejector rod pushes or presses the second barb after sliding relative to the insulating block in the direction close to the second elastic piece And the second ejector rod loosens the second elastic sheet after sliding relative to the insulating block in the direction far away from the second elastic sheet.
In some embodiments, the anti-falling mechanism further includes a second operation opening, the second operation opening is disposed on one side surface of the insulating block away from the first operation opening, and one end of the second ejector rod away from the second elastic piece is located inside the second operation opening.
In some embodiments, the anti-falling mechanism further includes a second push-pull block, the second push-pull block is located inside the second operation opening, the second push-pull block is fixedly connected with the second top rod, and the second push-pull block is connected with the inner wall of the second operation opening in a sliding manner along a direction parallel to the second top rod.
Has the advantages that:
the application provides an electric vehicle charging ware with plug anti-drop mechanism, with the plug back of pegging graft on the socket, positive terminal inserts in positive terminal, and first shell fragment passes positive terminal jack, and positive terminal jack is crossed to first barb, and when positive terminal moved towards the direction of extracting positive terminal jack, the edge of positive terminal jack was colluded to first barb, and positive terminal jack is extracted to the restriction positive terminal to prevent that the plug from droing from the socket.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of an electric vehicle charger with a plug drop-off prevention mechanism in an embodiment of the present application;
fig. 2 is a schematic structural diagram of an electric vehicle charger with a plug drop-off prevention mechanism in another view in the embodiment of the present application;
FIG. 3 is a schematic structural view of a drop prevention mechanism in the embodiment of the present application;
FIG. 4 is a schematic structural diagram of the anti-falling mechanism in another view in the embodiment of the present application;
fig. 5 is a side view of an electric vehicle charger having a plug drop-off prevention mechanism in an embodiment of the present application;
FIG. 6 is a cross-sectional view taken along line A-A of FIG. 5;
FIG. 7 is a cross-sectional view taken along line B-B of FIG. 6;
FIG. 8 is an exploded view of the positive terminal stud and the first resilient piece according to the embodiment of the present disclosure;
fig. 9 is an exploded view of the negative terminal and the second resilient piece in the embodiment of the present application;
FIG. 10 is an enlarged view of a portion of FIG. 6 at C;
fig. 11 is a partial enlarged view at D in fig. 6.
Reference numerals:
101. an electric wire; 102. an insulating block; 103. a positive terminal; 104. a negative terminal; 105. a wire; 106. a first spring plate; 107. a first barb; 108. a first mounting groove; 109. a first ejector rod; 110. a first operation port; 111. a first push-pull block; 112. a second elastic sheet; 113. a second barb; 114. a second mounting groove; 115. a second ejector rod; 116. a second operation port; 117. and a second push-pull block.
Detailed Description
Embodiments of the present application will be described in further detail below with reference to the drawings and examples. The following examples are intended to illustrate the present application but are not intended to limit the scope of the present application.
In the description of the embodiments of the present application, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present application, it should be noted that the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, unless explicitly stated or limited otherwise; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.
In the embodiments of the present application, unless otherwise explicitly specified or limited, the first feature "on" or "under" the second feature may be directly contacted with the second feature or indirectly contacted with the second feature through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the terms "a particular example," "one embodiment," "an example," "some embodiments," "some examples," "some embodiments," or "possible embodiments," etc., 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 an embodiment of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to 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. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.
As shown in fig. 1 to 11, in an embodiment of the present application, there is provided an electric vehicle charger having a plug drop-off prevention mechanism, including a housing, a circuit board, a plug, a charging interface and an electric wire 101, the circuit board is fixed inside the housing, the charging interface is disposed at one end of the housing, the charging interface is electrically connected to the circuit board, the plug includes an insulating block 102, a positive terminal 103 and a negative terminal 104, the positive terminal 103 and the negative terminal 104 are respectively fixedly connected to the insulating block 102, one end of the electric wire 101 is fixedly connected to the other end of the housing, the other end of the electric wire 101 is fixedly connected to the insulating block 102, one end of an internal lead 105 of the electric wire 101 is electrically connected to the circuit board, the other end of the lead 105 is respectively electrically connected to the positive terminal 103 and the negative terminal 104, the drop-off prevention mechanism further includes a first spring 106, the first spring 106 is disposed along the positive terminal 103, one end of the first elastic sheet 106 is fixedly connected with the positive terminal 103, the first elastic sheet 106 is positioned on one side of the positive terminal 103, the other end of the first elastic sheet 106 is fixedly connected with a first barb 107, and the first barb 107 is positioned on one surface, far away from the positive terminal 103, of the first elastic sheet 106; after the positive terminal 103 is inserted into the positive jack of the socket, the first barb 107 can hook the edge of the positive jack to limit the positive terminal 103 from being pulled out of the positive jack.
The electric vehicle charger with plug anti-drop mechanism that this embodiment provided, back on the socket is pegged graft to the plug, positive terminal 103 inserts in positive terminal, and first shell fragment 106 passes positive terminal jack, and positive terminal jack is crossed to first barb 107, when positive terminal 103 moved towards the direction of extracting positive terminal jack, first barb 107 caught the edge of positive terminal jack, and positive terminal jack is extracted to restriction positive terminal 103 to prevent that the plug from droing from the socket.
In some embodiments, the anti-falling mechanism further includes a first mounting groove 108, the first mounting groove 108 is disposed on a surface of the positive terminal 103 away from the negative terminal 104, the first mounting groove 108 is located at an end of the positive terminal 103 close to the insulating block 102, the first elastic piece 106 is located in the first mounting groove 108, the first elastic piece 106 has elasticity, and the first barb 107 can extend out of the first mounting groove 108 or be inserted into the first mounting groove 108 when the first elastic piece 106 is elastically deformed.
In some embodiments, the anti-falling mechanism further includes a first push rod 109, the first push rod 109 is made of an insulating material, the first push rod 109 is slidably connected to the insulating block 102, a sliding direction of the first push rod 109 relative to the insulating block 102 is parallel to the positive terminal 103, one end of the first push rod 109 is located inside the first mounting groove 108, one end of the first push rod 109 located inside the first mounting groove 108 is located between the first elastic piece 106 and a bottom surface of the first mounting groove 108, the first push rod 109 can push the first elastic piece 106 or release the first elastic piece 106 after sliding relative to the insulating block 102, the first barb 107 can extend out of the first mounting groove 108 after the first push rod 109 pushes the first elastic piece 106, the first barb 107 can be inserted into the first mounting groove 108 after the first push rod 109 releases the first elastic piece 106, the first push rod 109 pushes the first elastic piece 106 after sliding relative to the insulating block 102 in a direction close to the first elastic piece 106, the first push rod 109 slides relative to the insulating block 102 in a direction away from the first elastic sheet 106, and then releases the first elastic sheet 106.
In some embodiments, the anti-falling mechanism further includes a first operation opening 110, the first operation opening 110 is disposed on one side surface of the insulating block 102, and an end of the first push rod 109 away from the first elastic sheet 106 is located inside the first operation opening 110.
In some embodiments, the anti-falling off mechanism further includes a first push-pull block 111, the first push-pull block 111 is located inside the first operation opening 110, the first push-pull block 111 is fixedly connected to the first top bar 109, and the first push-pull block 111 is slidably connected to an inner wall of the first operation opening 110 along a direction parallel to the first top bar 109.
Through the above embodiment of this embodiment, after the plug is plugged into the socket, the first push-pull block 111 is pressed by a finger, the first push-pull block 111 is pushed in a direction close to the first elastic sheet 106, the first ejector pin 109 pushes the first elastic sheet 106, so that the first barb 107 extends out of the first mounting groove 108, the edge of the positive electrode jack is sandwiched between the insulating block 102 and the first barb 107, thereby limiting the positive electrode terminal 103 from pulling out the positive electrode jack, when the plug needs to be pulled out from the socket, the first push-pull block 111 is pressed by the finger, the first push-pull block 111 is pulled in a direction away from the first elastic sheet 106, the first ejector pin 109 releases the first elastic sheet 106, the first elastic sheet 106 recovers elastic deformation to drive the first barb 107 to reset, at this time, the positive electrode terminal 103 can be smoothly pulled out from the positive electrode jack.
In some embodiments, the anti-falling mechanism further includes a second elastic sheet 112, the second elastic sheet 112 is disposed along the negative terminal 104, one end of the second elastic sheet 112 is fixedly connected to the negative terminal 104, the second elastic sheet 112 is located on one side of the negative terminal 104, the other end of the second elastic sheet 112 is fixedly connected to a second barb 113, and the second barb 113 is located on one side of the second elastic sheet 112 away from the negative terminal 104; after the negative terminal 104 is inserted into the negative jack of the socket, the second barb 113 can catch the edge of the negative jack to limit the negative terminal 104 from being pulled out of the negative jack.
In some embodiments, the anti-falling mechanism further includes a second mounting groove 114, the second mounting groove 114 is disposed on a surface of the negative terminal 104 away from the positive terminal 103, the second mounting groove 114 is located at an end of the negative terminal 104 close to the insulating block 102, the second elastic sheet 112 is located in the second mounting groove 114, the second elastic sheet 112 has elasticity, and the second barb 113 can extend out of the second mounting groove 114 or be inserted into the second mounting groove 114 when the second elastic sheet 112 is elastically deformed.
In some embodiments, the anti-falling mechanism further includes a second rod 115, the second rod 115 is made of an insulating material, the second rod 115 is slidably connected to the insulating block 102, a sliding direction of the second rod 115 relative to the insulating block 102 is parallel to the negative terminal 104, one end of the second rod 115 is located inside the second mounting groove 114, one end of the second rod 115 located inside the second mounting groove 114 is located between the second elastic piece 112 and the bottom surface of the second mounting groove 114, the second rod 115 can press the second elastic piece 112 or release the second elastic piece 112 after sliding relative to the insulating block 102, the second rod 115 can extend the second inverted hook 113 out of the second mounting groove 114 after pressing the second elastic piece 112, the second rod 115 can insert the second inverted hook 113 into the second mounting groove 114 after releasing the second elastic piece 112, the second rod 115 presses the second elastic piece 112 after sliding relative to the insulating block 102 in a direction close to the second elastic piece 112, the second ejector pin 115 slides relative to the insulating block 102 in a direction away from the second elastic piece 112, and then releases the second elastic piece 112.
In some embodiments, the anti-falling mechanism further includes a second operation opening 116, the second operation opening 116 is disposed on a side surface of the insulating block 102 away from the first operation opening 110, and an end of the second plunger 115 away from the second elastic sheet 112 is located inside the second operation opening 116.
In some embodiments, the anti-falling mechanism further includes a second push-pull block 117, the second push-pull block 117 is located inside the second operation opening 116, the second push-pull block 117 is fixedly connected to the second top bar 115, and the second push-pull block 117 is slidably connected to the inner wall of the second operation opening 116 along a direction parallel to the second top bar 115.
Through the above embodiment of this embodiment, after the plug is plugged into the socket, the second push-pull block 117 is pressed by a finger, the second push-pull block 117 is pushed towards the direction close to the second elastic sheet 112, the second ejector pin 115 pushes the second elastic sheet 112, so that the second barb 113 extends out of the second mounting groove 114, the edge of the negative electrode jack is sandwiched between the insulating block 102 and the second barb 113, thereby limiting the negative electrode terminal 104 from pulling out the negative electrode jack, when the plug needs to be pulled out from the socket, the second push-pull block 117 is pressed by the finger, the second push-pull block 117 is pulled towards the direction far from the second elastic sheet 112, the second ejector pin 115 loosens the second elastic sheet 112, the second elastic sheet 112 recovers elastic deformation to drive the second barb 113 to reset, at this time, the negative electrode terminal 104 can be smoothly pulled out from the negative electrode jack.
The electric vehicle charger with the plug anti-drop mechanism provided by the embodiment, the first barb 107 and the second barb 113 hook the edge of the positive electrode jack and the edge of the negative electrode jack respectively, the connection strength between the plug and the socket can be increased, the plug is prevented from falling off from the socket, the first push-pull block 111 and the second push-pull block 117 are located on two sides of the insulating block 102 respectively, the first barb 107 and the second barb 113 are in a locking state when hooking the socket, the first barb 107 and the second barb 113 are in an unlocking state after resetting, the first push-pull block 111 and the second push-pull block 117 are pinched by fingers simultaneously, the plug and socket plugging process is synchronous with the locking state execution process, the plug pulling-off process from the socket is synchronous with the unlocking state execution process, and the operation is more convenient.
The above examples are only for explaining the present application and are not intended to limit the present application, and those skilled in the art can make modifications to the embodiments of the present application without inventive contribution as needed after reading the present specification, but are protected by patent laws within the scope of the claims of the present application.
Claims (10)
1. An electric vehicle charger with a plug anti-drop mechanism comprises a shell, a circuit board, a plug, a charging interface and a wire, wherein the circuit board is fixed inside the shell, the charging interface is arranged at one end of the shell, the charging interface is electrically connected with the circuit board, the plug comprises an insulating block, a positive terminal and a negative terminal, the positive terminal and the negative terminal are respectively and fixedly connected with the insulating block, one end of the wire is fixedly connected with the other end of the shell, the other end of the wire is fixedly connected with the insulating block, one end of an internal lead of the wire is electrically connected with the circuit board, and the other end of the lead is respectively and electrically connected with the positive terminal and the negative terminal,
the anti-falling mechanism comprises a first elastic sheet, the first elastic sheet is arranged along the positive terminal, one end of the first elastic sheet is fixedly connected with the positive terminal, the first elastic sheet is positioned on one side of the positive terminal, the other end of the first elastic sheet is fixedly connected with a first barb, and the first barb is positioned on one side, far away from the positive terminal, of the first elastic sheet;
after the positive terminal is inserted into the positive jack of the socket, the first barb can hook the edge of the positive jack to limit the positive terminal to be pulled out of the positive jack.
2. The electric vehicle charger with the plug anti-drop mechanism according to claim 1, wherein the anti-drop mechanism further comprises a first mounting groove, the first mounting groove is disposed on a surface of the positive terminal far from the negative terminal, the first mounting groove is located at one end of the positive terminal close to the insulating block, the first elastic piece is located in the first mounting groove, the first elastic piece has elasticity, and the first barb can extend out of the first mounting groove or be inserted into the first mounting groove when the first elastic piece is elastically deformed.
3. The electric vehicle charger with the plug anti-drop mechanism according to claim 2, wherein the anti-drop mechanism further comprises a first ejector rod, the first ejector rod is made of an insulating material, the first ejector rod is slidably connected to the insulating block, a sliding direction of the first ejector rod relative to the insulating block is parallel to the positive terminal, one end of the first ejector rod is located inside the first mounting groove, one end of the first ejector rod located inside the first mounting groove is located between the first elastic piece and the bottom surface of the first mounting groove, the first ejector rod can press the first elastic piece or release the first elastic piece after sliding relative to the insulating block, the first barb can extend out of the first mounting groove after the first ejector rod presses the first elastic piece, and the first barb can be inserted into the first mounting groove after the first ejector rod releases the first elastic piece, the first ejector rod pushes the first elastic sheet after sliding relative to the insulating block in the direction close to the first elastic sheet, and the first ejector rod releases the first elastic sheet after sliding relative to the insulating block in the direction far away from the first elastic sheet.
4. An electric vehicle charger with a plug anti-drop mechanism according to claim 3, wherein the anti-drop mechanism further comprises a first operation opening, the first operation opening is arranged on one side surface of the insulating block, and one end of the first ejector rod, which is far away from the first elastic sheet, is located inside the first operation opening.
5. The electric vehicle charger with the plug drop-off prevention mechanism according to claim 4, wherein the drop-off prevention mechanism further comprises a first push-pull block, the first push-pull block is located inside the first operation opening, the first push-pull block is fixedly connected with the first push rod, and the first push-pull block is connected with the inner wall of the first operation opening in a sliding manner in a direction parallel to the first push rod.
6. The electric vehicle charger with the plug anti-drop mechanism according to claim 5, wherein the anti-drop mechanism further comprises a second elastic sheet, the second elastic sheet is arranged along the negative terminal, one end of the second elastic sheet is fixedly connected with the negative terminal, the second elastic sheet is located on one side of the negative terminal, the other end of the second elastic sheet is fixedly connected with a second barb, and the second barb is located on one side, away from the negative terminal, of the second elastic sheet;
after the negative terminal is inserted into the negative jack of the socket, the second barb can hook the edge of the negative jack to limit the negative terminal to be pulled out of the negative jack.
7. The electric vehicle charger with the plug anti-drop mechanism according to claim 6, wherein the anti-drop mechanism further comprises a second mounting groove, the second mounting groove is disposed on a surface of the negative terminal far from the positive terminal, the second mounting groove is located at one end of the negative terminal close to the insulating block, the second elastic piece is located in the second mounting groove, the second elastic piece has elasticity, and the second barb can extend out of the second mounting groove or be inserted into the second mounting groove when the second elastic piece is elastically deformed.
8. The electric vehicle charger with the plug anti-drop mechanism according to claim 7, wherein the anti-drop mechanism further comprises a second ejector rod, the second ejector rod is made of an insulating material, the second ejector rod is slidably connected to the insulating block, a sliding direction of the second ejector rod relative to the insulating block is parallel to the negative terminal, one end of the second ejector rod is located inside the second mounting groove, one end of the second ejector rod located inside the second mounting groove is located between the second elastic piece and the bottom surface of the second mounting groove, the second ejector rod can press the second elastic piece or release the second elastic piece after sliding relative to the insulating block, the second ejector rod can extend out of the second mounting groove after pressing the second elastic piece, and the second ejector rod can insert the second barb into the second mounting groove after releasing the second elastic piece, the second ejector rod slides relative to the insulating block towards the direction close to the second elastic sheet and then pushes against the second elastic sheet, and the second ejector rod slides relative to the insulating block towards the direction far away from the second elastic sheet and then releases the second elastic sheet.
9. An electric vehicle charger with a plug drop-off prevention mechanism as claimed in any one of claims 1 to 8, wherein the drop-off prevention mechanism further comprises a second operation port, the second operation port is arranged on one side surface of the insulating block away from the first operation port, and one end of the second ejector rod away from the second elastic piece is positioned inside the second operation port.
10. The electric vehicle charger with the plug drop-off prevention mechanism according to any one of claims 1 to 9, wherein the drop-off prevention mechanism further comprises a second push-pull block, the second push-pull block is located inside the second operation opening, the second push-pull block is fixedly connected with the second push rod, and the second push-pull block is connected with the inner wall of the second operation opening in a sliding manner in a direction parallel to the second push rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210085922.1A CN114498189A (en) | 2022-01-25 | 2022-01-25 | Electric vehicle charger with plug anti-drop mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210085922.1A CN114498189A (en) | 2022-01-25 | 2022-01-25 | Electric vehicle charger with plug anti-drop mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114498189A true CN114498189A (en) | 2022-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210085922.1A Pending CN114498189A (en) | 2022-01-25 | 2022-01-25 | Electric vehicle charger with plug anti-drop mechanism |
Country Status (1)
| Country | Link |
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| CN (1) | CN114498189A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006210105A (en) * | 2005-01-27 | 2006-08-10 | Takigen Mfg Co Ltd | Protection method of electronic equipment or information communication equipment, and plug security device |
| CN202888918U (en) * | 2012-11-15 | 2013-04-17 | 谢发忠 | Charging protective device for prolonging service life of lead-acid battery |
| CN203193041U (en) * | 2012-12-31 | 2013-09-11 | 宁波大学 | Anti-falling plug |
| CN204464624U (en) * | 2015-02-13 | 2015-07-08 | 蔡学军 | A kind of Network plug of improvement |
| CN208637744U (en) * | 2018-09-07 | 2019-03-22 | 东莞市胜高通讯科技有限公司 | A kind of network wire plug of novel belt lock core |
| CN212462208U (en) * | 2020-08-13 | 2021-02-02 | 宁波建伟电气有限公司 | Anti-drop charging connector |
-
2022
- 2022-01-25 CN CN202210085922.1A patent/CN114498189A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006210105A (en) * | 2005-01-27 | 2006-08-10 | Takigen Mfg Co Ltd | Protection method of electronic equipment or information communication equipment, and plug security device |
| CN202888918U (en) * | 2012-11-15 | 2013-04-17 | 谢发忠 | Charging protective device for prolonging service life of lead-acid battery |
| CN203193041U (en) * | 2012-12-31 | 2013-09-11 | 宁波大学 | Anti-falling plug |
| CN204464624U (en) * | 2015-02-13 | 2015-07-08 | 蔡学军 | A kind of Network plug of improvement |
| CN208637744U (en) * | 2018-09-07 | 2019-03-22 | 东莞市胜高通讯科技有限公司 | A kind of network wire plug of novel belt lock core |
| CN212462208U (en) * | 2020-08-13 | 2021-02-02 | 宁波建伟电气有限公司 | Anti-drop charging connector |
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