Conversion structure and electric connection conversion device

Abstract

The utility model discloses a conversion structure and an electric connection conversion device, which comprises a socket main body, a quick-change plug and a rotary sleeve surrounding the outer side of the quick-change plug, an elastic reset structure is arranged between the rotary sleeve and the quick-change plug and can enable the rotary sleeve and the quick-change plug to return to the initial position when external force disappears, and the elastic reset structure is arranged between the inner peripheral wall of the rotary sleeve and the outer peripheral wall of the socket main body. One is provided with an inserting groove and a driving part protruding in the inserting groove, the other is provided with a locking part, when the quick-change plug is inserted, the locking part and the driving part extrude in the circumferential direction to drive the rotary sleeve to rotate, the locking part passes through the driving part in a staggered mode and then is clamped to the front end of the driving part through elastic reset, and mechanical self-locking is achieved. According to the conversion structure, the rotary sleeve is matched with the elastic reset, so that the conversion structure has the characteristics of quick plugging replacement and stable connection, and the plugging efficiency and reliability are effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to charging device technical field more specifically, relate to a conversion structure and electric connection conversion device. BACKGROUND

[0002] With the increasing new energy vehicles, the charging demand of vehicles is increasing day by day, and the demand of users for charging guns also increases, in order to meet the needs of customers, different charging plugs are applied in different regions, after the traditional charging plug and charging socket are plugged, the clamping structure is usually connected and fixed, manual intervention is often required for resetting, automatic locking and resetting during plugging cannot be realized, which affects the operation efficiency, and under the premise of ensuring the stability of plugging, the replacement steps of the charging plug are complex, and the synchronous completion of the plugging action and the resetting function cannot be realized through mechanical self-locking at the same time.

[0003] Therefore, it is urgent to break through the limitation of traditional thread, spring or clamping structure buckle connection, and design an integrated driving structure to replace manual intervention and improve durability and replacement plugging operation smoothness. UTILITY MODEL CONTENTS

[0004] An object of the utility model is to provide a new technical scheme of a conversion structure and an electric connection conversion device to solve the problems that the replacement steps of the charging plug are complex, and the synchronous completion of the plugging action and the resetting function cannot be realized through mechanical self-locking at the same time.

[0005] According to the first aspect of the utility model, a conversion structure is provided, which comprises: a socket body;

[0006] The quick-change plug is plugged and matched with the socket body; the rotating sleeve is arranged on the outside of at least part of the quick-change plug and is rotationally connected with the quick-change plug, one of the rotating sleeve and the quick-change plug can rotate relative to the other when a circumferential external force is applied to one of the rotating sleeve and the quick-change plug; the elastic resetting structure is arranged between the rotating sleeve and the quick-change plug and is used for restoring the rotating sleeve and the quick-change plug to the initial position when the circumferential external force applied to one of the rotating sleeve and the quick-change plug disappears; the inner circumferential wall of the rotating sleeve and the outer circumferential wall of the quick-change plug have a plugging cavity for accommodating at least part of the socket body; one of the inner circumferential wall of the rotating sleeve and the outer circumferential wall of the quick-change plug is provided with a plugging groove in the plugging direction of the quick-change plug and the socket body, the inside of the plugging groove is provided with a driving part, and the other is provided with a locking part which can enter the plugging groove and is correspondingly arranged with the driving part, during the process of mounting the quick-change plug into the socket body, the locking part and the driving part are circumferentially extruded to make the rotating sleeve rotate relative to the quick-change plug, and after the locking part is dislocated through the driving part with the rotating sleeve, the locking part is clamped to the front end of the driving part under the action of the elastic resetting structure, so as to realize the mounting of the quick-change plug to the socket body.

[0007] Optionally, the insertion slot is arranged on the outer circumferential wall of the socket body, one of the side walls of the insertion slot is protrusively provided with the driving portion, the locking portion is protrusively arranged on the inner circumferential wall of the rotating sleeve, and the driving portion is located in the insertion path of the locking portion.

[0008] Optionally, the driving portion and the locking portion are both in the form of protrusions, and at least one of the two is formed with a guide inclined surface facing the other.

[0009] Optionally, the width of the area of the insertion slot for clamping the locking portion is greater than the width of other areas.

[0010] Optionally, the elastic reset structure comprises a mounting groove arranged in the circumferential direction of the outer circumferential wall of the quick-change plug, a pushing block protrusively arranged on the inner circumferential wall of the rotating sleeve, and a compression spring arranged in the mounting groove, the pushing block is relatively slidable in the mounting groove, and the pushing block is configured to extrude the compression spring when the rotating sleeve rotates relative to the quick-change plug; when the locking portion is misaligned with the driving portion along with the rotating rotating sleeve, the compression spring can drive the rotating sleeve and the quick-change plug to return to the initial position through the pushing block in the reverse direction.

[0011] Optionally, one end of the mounting groove is communicated with a guide sliding groove, and the pushing block slides into the mounting groove from the guide sliding groove and abuts against one end of the compression spring.

[0012] Optionally, one side of the mounting groove is provided with an additional groove in communication with the mounting groove and arranged in parallel therebetween, the radial depth of the additional groove is less than the radial depth of the mounting groove, and the pushing block comprises a first part slidably arranged in the mounting groove and a second part arranged in the additional groove.

[0013] Optionally, the outer circumferential wall of the quick-change plug is formed with at least one abutting table arranged in the circumferential direction, and the end of the socket body abuts to the abutting table after the socket body is arranged in the insertion cavity, so that the socket body is flush with the outer circumferential wall of the quick-change plug.

[0014] The utility model also provides an electric connection conversion device, including the control box main part of inside has control module and at least one like above described conversion structure, at least one installation mouth is seted up on the control box main part, the socket body is installed at the installation mouth, and the wiring end of socket body is electrically connected with control module, the insertion end of socket body extends to the outside of the shell of control box main part at least in part, quick-change plug and the insertion end of socket body are detachably connected.

[0015] Optionally, the quick-change plug is connected to an external plug via a cable, and the conversion structure further comprises a rotating shell sleeved outside at least part of the rotating sleeve, and the rotating shell is provided with a cable outlet hole in the axial direction for the cable to pass through.

[0016] The utility model discloses the beneficial effect that:

[0017] The utility model discloses a socket body, quick -change plug and the rotating sleeve of surrounding in quick -change plug outside, be equipped with elastic reset structure between rotating sleeve and quick -change plug, can make both restore initial position when the external force disappears, the outer peripheral wall of rotating sleeve and the outer peripheral wall of socket body: one is equipped with the drive portion of the insertion slot and the insertion groove, and the other is equipped with locking portion, when quick -change plug inserts, locking portion and drive portion circumferential extrusion drive rotating sleeve rotation, locking portion is out of position and is connected to the front end of drive portion after drive portion, realize the mechanical self -lock of socket body and quick -change plug.

[0018] Other features of the utility model and its advantages will become clear from the following detailed description of exemplary embodiments of the utility model with reference to the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0019] The accompanying drawings incorporated in and forming a part of the specification illustrate embodiments of the utility model and, together with the description, serve to explain the principles of the utility model.

[0020] Figure 1 It is the exploded structural schematic drawing of the conversion structure of the utility model;

[0021] Figure 2 It is the exploded structural schematic drawing of the socket body, quick -change plug and rotating sleeve of the utility model;

[0022] Figure 3 It is the structural schematic drawing of quick -change plug of the conversion structure of the utility model;

[0023] Figure 4 It is the structural schematic drawing of quick -change plug of the conversion structure of the utility model with compression spring;

[0024] Figure 5 It is the structural schematic drawing when the drive portion on the socket body and the locking portion of rotating sleeve assemble;

[0025] Figure 6 It is the structural schematic drawing of locking portion to the front end of drive portion of the utility model;

[0026] Figure 7The utility model discloses a kind of decomposition structure schematic diagram of electric connection conversion device.

[0027] Figure 8 The utility model discloses a kind of structure schematic diagram of electric connection conversion device with external plug-in part and rotating shell.

[0028] Indicated as follows in the drawing:

[0029] 10, socket body;11, plug-in slot;12, driving part;121, guide inclined surface;20, quick-change plug;21, installation slot;22, guide sliding slot;23, additional slot;24, abutment platform;30, rotating sleeve;31, push block;311, first part;312, second part;32, locking portion;40, compression spring;50, rotating shell;60, wire end cone plug;70, control box body;80, cable;90, control module;100, external plug-in part. DETAILED DESCRIPTION

[0030] Various exemplary embodiments of the present utility model will now be described in detail with reference to the drawings. It should be noted that: unless otherwise specifically stated, the relative arrangement, numerical expression and numerical value of the components and steps set forth in these embodiments do not limit the scope of the present utility model.

[0031] The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way limiting of the scope of the present utility model and its applications or uses.

[0032] Techniques, methods, and devices known to those of ordinary skill in the relevant art can not be discussed in detail herein, but should be considered part of the specification.

[0033] In all examples shown and discussed herein, any specific values should be interpreted as merely illustrative and not as a limitation. Thus, other examples of exemplary embodiments can have different values.

[0034] According to the first aspect of the present utility model, as Figures 1-8As shown, a conversion structure is provided, comprising: a socket body 10; a quick-change plug 20 in plug-in cooperation with the socket body 10; a rotating sleeve 30 arranged around the outside of at least part of the quick-change plug 20 and rotationally connected therebetween, one of the rotating sleeve 30 and the quick-change plug 20 being relatively rotatable when subjected to a circumferential external force; an elastic reset structure arranged between the rotating sleeve 30 and the quick-change plug 20 for restoring the rotating sleeve 30 and the quick-change plug 20 to the initial position when the circumferential external force acting on one of the rotating sleeve 30 and the quick-change plug 20 disappears; the inner circumferential wall of the rotating sleeve 30 and the outer circumferential wall of the quick-change plug 20 have a plug-in cavity for accommodating at least part of the socket body 10; and one of the inner circumferential wall of the rotating sleeve 30 and the outer circumferential wall of the quick-change plug 20 is provided with a plug-in slot 11 along the plug-in direction of the quick-change plug 20 and the socket body 10, the inside of the plug-in slot 11 is protrudingly provided with a driving portion 12, and the other is protrudingly provided with a locking portion 32 which can enter the plug-in slot 11 and is correspondingly provided with the driving portion 12, during the process of installing the quick-change plug 20 into the socket body 10, the locking portion 32 and the driving portion 12 are circumferentially extruded to make the rotating sleeve 30 rotate relative to the quick-change plug 20, and after the locking portion 32 is dislocated by the rotating sleeve 30 and passes through the driving portion 12, it is clamped to the front end of the driving portion 12 under the action of the elastic reset structure, so as to realize the installation of the quick-change plug 20 to the socket body 10.

[0035] With the increasing number of new energy vehicles, the demand for charging of vehicles is increasing day by day, and the demand for charging guns by users also increases. In order to meet the needs of customers, different charging plugs are applied in different regions. After the traditional charging plug and charging socket are plugged in, a clamping structure is usually used for connection and fixation, which often needs manual intervention for resetting, cannot realize automatic locking and resetting during plugging and unplugging, affects the operation efficiency, and under the premise of ensuring the stability of plugging, the replacement steps of the charging plug are complex, and the synchronous completion of the plugging and unplugging action and the resetting function cannot be realized by mechanical self-locking.

[0036] The utility model discloses a socket main part 10, quick change plug 20 and the rotation sleeve 30 of surrounding in quick change plug 20 outside, rotation sleeve 30 and quick change plug 20 between being equipped with elastic reset structure, can make both restore initial position when external force disappears, the inner peripheral wall of rotation sleeve 30 and the outer peripheral wall of socket main part 10: one is equipped with the drive part 12 of the plug -in slot 11 and the protruding in plug -in slot 11, the other is equipped with locking portion 32, locking portion 32 and drive part 12 circumferential extrusion drive rotation sleeve 30 rotation when quick change plug 20 inserts, locking portion 32 is misaligned and is connected to the front end of drive part 12 after drive part 12, realizes the mechanical self -lock of socket main part 10 and quick change plug 20.

[0037] In some embodiments, as shown in Figure 1 、 Figure 5 and Figure 6 , the plug-in slot 11 is provided on the outer peripheral wall of the socket main body 10, and the drive part 12 is protruded on one of the side walls of the plug-in slot 11 in the extension direction. The locking portion 32 is protruded on the inner peripheral wall of the rotation sleeve 30, and the drive part 12 is located on the plug-in path of the locking portion 32.

[0038] During the process of inserting the quick change plug 20 into the socket main body 10, the locking portion 32 is extruded circumferentially with the drive part 12 on the plug-in path to make the rotation sleeve 30 rotate relative to the quick change plug 20. Further, the locking portion 32 is a triangular protrusion, and the drive part 12 is a groove structure. During the process of plugging the quick change connector into the plug-in connector, the triangular protrusion first abuts against a slope of the groove structure, then passes over the slope, is arranged in a clamping groove of the groove structure, and abuts against a vertical surface to lock the socket main body 10 and the quick change plug 20.

[0039] In some embodiments, as shown in Figure 1 and Figure 2 , the drive part 12 and the locking portion 32 are both protrusion structures, and at least one of them is formed with a guide slope 121 opposite to the other.

[0040] In some embodiments, as shown in Figure 1 、 Figure 5 and Figure 6 , the width of the area of the plug-in slot 11 for clamping the locking portion 32 is greater than the width of other areas.

[0041] This design is to have enough locking area to make the locking portion 32 firmly locked in the plug-in slot 11, to ensure the connection stability and electrical safety during the charging process.

[0042] In some embodiments, as shown in Figures 3-4 The elastic reset structure includes mounting grooves 21 arranged along the circumference of the outer wall of the quick-change plug 20, a push block 31 protrudingly arranged on the inner wall of the rotating sleeve 30, and compression springs 40 arranged in the mounting grooves 21. The push block 31 is relatively slidable in the mounting grooves 21, and the push block 31 is configured to press the compression springs 40 when the rotating sleeve 30 rotates relative to the quick-change plug 20. When the locking portion 32 is dislocated through the driving portion 12 with the rotating rotating sleeve 30, the compression springs 40 can drive the rotating sleeve 30 and the quick-change plug 20 to return to the initial position through the push block 31 in the reverse direction.

[0043] Further, the mounting grooves 21 are a plurality of mounting grooves, and each mounting groove 21 is provided with one compression spring 40. The plurality of mounting grooves 21 are arranged along the circumference of the outer wall of the quick-change plug 20. When the locking portion 32 is dislocated through the driving portion 12 with the rotating rotating sleeve 30, the plurality of compression springs 40 jointly act on the rotating sleeve 30 and the quick-change plug 20 to return to the initial position through the push block 31 in the reverse direction, thereby strengthening the reset force of the elastic reset structure and better connecting the quick-change plug 20 and the socket body 10 after reset, and ensuring the connection stability and electrical safety.

[0044] In some embodiments, as shown in Figure 4 The mounting grooves 21 are communicated with guide sliding grooves 22 at one end in the length direction, and the push block 31 slides into the mounting grooves 21 from the guide sliding grooves 22 and abuts against one end of the compression spring 40.

[0045] The guide sliding grooves 22 play a guiding role in the process of the push block 31 entering the mounting grooves 21.

[0046] In some embodiments, as shown in Figures 3-4 The mounting grooves 21 are provided with additional grooves 23 on one side in the extension direction, and the additional grooves 23 are parallel to the mounting grooves 21. The radial depth of the additional grooves 23 is smaller than the radial depth of the mounting grooves 21. The push block 31 includes a first part 311 slidingly arranged in the mounting grooves 21 and a second part 312 arranged in the additional grooves 23.

[0047] The push block 31 is composed of the first part 311 and the second part 312. The first part 311 presses the compression spring 40 when the rotating sleeve 30 rotates relative to the quick-change plug 20. The second part 312 is arranged in the additional grooves 23 and jointly acts on the first part 311 to press the upper part of the compression spring 40, thereby ensuring that the compression spring 40 is kept in the mounting grooves 21.

[0048] In some embodiments, as shown in Figure 3 and Figure 6 The end of the socket body 10 abuts to the abutting table 24, limiting the maximum depth of the socket body 10 inserted into the plug-in cavity, preventing the socket body 10 and the quick-change plug 20 from being plugged in excessively and causing damage, and the socket body 10 and the outer peripheral wall of the quick-change plug 20 are flush, which can make the overall structure appearance beautiful. Also beneficial when the locking part 32 is misaligned through the driving part 12 with the rotating sleeve 30, the compression spring 40 can reversely pass through the push block 31 to drive the rotating sleeve 30 and the quick-change plug 20 to smoothly complete the process of returning to the initial position.

[0049] The end of the socket body 10 abuts to the abutting table 24, limiting the maximum depth of the socket body 10 inserted into the plug-in cavity, preventing the socket body 10 and the quick-change plug 20 from being plugged in excessively and causing damage, and the socket body 10 and the outer peripheral wall of the quick-change plug 20 are flush, which can make the overall structure appearance beautiful. Also beneficial when the locking part 32 is misaligned through the driving part 12 with the rotating sleeve 30, the compression spring 40 can reversely pass through the push block 31 to drive the rotating sleeve 30 and the quick-change plug 20 to smoothly complete the process of returning to the initial position.

[0050] The utility model also provides a kind of electric connection conversion device, as shown in Figure 7 The socket body 10 is installed at the mounting port, and the wiring end of the socket body 10 is electrically connected with the control module 90, the plug-in end of the socket body 10 at least partially extends to the outside of the shell of the control box body 70, and the quick-change plug 20 is detachably connected with the plug-in end of the socket body 10.

[0051] With the increasing number of new energy vehicles, the demand for vehicle charging is increasing, and the demand for charging guns is also increasing. In order to meet the needs of customers, the plug-in end of the quick-change plug 20 and the socket body 10 is detachably connected, which can meet the requirements of different charging plugs, charging gun heads or other charging equipment in different regions through the quick-change plug 20 for fast replacement of electric connection to the socket body 10 via the cable 80.

[0052] In some embodiments, as shown in Figure 8 The quick-change plug 20 is connected to the external plug-in part 100 via the cable 80, the conversion structure further includes a rotating shell 50 sleeved outside at least part of the rotating sleeve 30, and the rotating shell 50 is axially provided with a wire outlet hole for the cable 80 to pass out.

[0053] The external plug 100 can be a gun head, a charging plug, a charging plugboard, a charging cable 80 and the like charging devices, the rotating shell 50 not only can play a role of protecting the rotating sleeve 30, but also can play a role of making the appearance beautiful. Further, the inner wall of the rotating shell 50 is connected with a plurality of threaded hole fixing parts in the circumference, the outer wall of the rotating support is provided with a plurality of mounting hole mounting ears corresponding to the fixing parts, the rotating support is screwed on the fixing parts through fasteners passing through the mounting holes, and the rotating sleeve 30 can be driven to rotate by rotating the rotating shell 50. Further, the quick-change plug 20 further comprises a wire end taper plug 60, the rotating shell 50 is a taper, the wire end taper plug 60 is connected with the quick-change plug 20 in a clamping mode at one end with a small diameter of the rotating shell 50, abuts against the end surface of the rotating shell 50, and the outer wall is smoothly connected.

[0054] Although some specific embodiments of the present application have been described in detail by examples, those skilled in the art should understand that the above examples are only for illustration, and are not intended to limit the scope of the present application. Those skilled in the art should understand that the above embodiments can be modified without departing from the scope and spirit of the present application. The scope of the present application is defined by the appended claims.

Claims

1. A conversion structure, characterized by, include: Socket body; The quick-connect plug is inserted into the main body of the socket. A rotating sleeve is disposed around the outside of at least part of the quick-change plug, and the two are rotatably connected. When either the rotating sleeve or the quick-change plug is subjected to a circumferential external force, the two can rotate relative to each other. An elastic reset structure is provided between the rotating sleeve and the quick-change plug, which is used to restore the rotating sleeve and the quick-change plug to their initial position when the circumferential external force acting on one of the rotating sleeve and the quick-change plug disappears. The inner peripheral wall of the rotating sleeve and the outer peripheral wall of the quick-change plug have a insertion cavity for accommodating at least part of the socket body; and one of the inner peripheral walls of the rotating sleeve and the outer peripheral wall of the quick-change plug has an insertion groove along the insertion direction of the quick-change plug and the socket body, and a driving part is protruding inside the insertion groove; the other has a locking part that can enter the insertion groove and is correspondingly provided with the driving part. During the process of inserting the quick-change plug into the socket body, the locking part and the driving part are circumferentially pressed to make the rotating sleeve rotate relative to the quick-change plug. After the rotating sleeve is misaligned with the driving part, the locking part is locked to the front end of the driving part under the action of the elastic reset structure, so as to realize the installation of the quick-change plug into the socket body.

2. A conversion structure according to claim 1, wherein The insertion slot is disposed on the outer peripheral wall of the socket body, and the driving part is protruding on one of the side walls in the extension direction of the insertion slot. The locking part is protruding on the inner peripheral wall of the rotating sleeve, and the driving part is located on the insertion path of the locking part.

3. A conversion structure according to claim 2, wherein Both the driving part and the locking part are protrusion-shaped structures, and at least one of them has a guide slope that faces the other.

4. A conversion structure according to claim 2, wherein The width of the area where the insertion slot is used to engage the locking part is greater than the width of other areas.

5. A conversion structure according to claim 1, wherein The elastic reset structure includes a mounting groove arranged circumferentially along the outer peripheral wall of the quick-change plug, a push block protruding from the inner peripheral wall of the rotating sleeve, and a compression spring installed in the mounting groove. The push block can slide relative to the quick-change plug in the mounting groove, and the push block is configured to compress the compression spring when the rotating sleeve rotates relative to the quick-change plug. When the locking part is misaligned with the rotating sleeve and passes through the driving part, the compression spring can reverse and drive the rotating sleeve and the quick-change plug to return to the initial position through the push block.

6. A conversion structure according to claim 5, wherein The mounting groove has a guide groove at one end along its length, and the pushing block slides from the guide groove into the mounting groove and abuts against one end of the compression spring.

7. A conversion structure according to claim 5, wherein An additional groove communicating with the mounting groove is provided on one side of the extending direction of the mounting groove, and the two are arranged parallel to each other. The radial depth of the additional groove is less than the radial depth of the mounting groove. The pushing block includes a first part that is slidably disposed in the mounting groove and a second part that is attached to the additional groove.

8. A conversion structure according to claim 1, wherein At least one circumferentially arranged abutment is formed on the outer peripheral wall of the quick-change plug. After the socket body is inserted into the plug cavity, the end of the socket body abuts against the abutment, so that the socket body is flush with the outer peripheral wall of the quick-change plug.

9. An electrical connection conversion device, characterized by The control box body has at least one installation opening, the socket body is installed at the installation opening, the wiring end of the socket body is electrically connected with the control module, the plug-in end of the socket body extends at least partially to the outside of the shell of the control box body, and the quick-change plug is detachably connected with the plug-in end of the socket body.

10. An electrical connection conversion device according to claim 9, wherein The quick-change plug is connected to an external plug-in member through a cable, and the conversion structure further comprises a rotating shell sleeved outside at least part of the rotating sleeve, and the rotating shell is provided with a wire outlet hole in the axial direction for the cable to pass out.

Images