A charging pile swing arm device and a charging pile

Abstract

The application provides a charging pile swing arm device and a charging pile. The charging pile swing arm device comprises a stand, a first swing arm, a first end of the first swing arm is provided with a first joint, the first joint is connected with the top of the stand, the first swing arm rotates in the horizontal direction through the first joint, a second swing arm, a first end of the second swing arm is provided with a second joint, the second joint is connected with a second end of the first swing arm, the second swing arm rotates in the horizontal direction through the second joint, a third swing arm, a first end of the third swing arm is provided with a third joint, the third joint is connected with a second end of the second swing arm, the third swing arm rotates in the vertical direction and the horizontal direction through the third joint, and a fourth swing arm, a first end of the fourth swing arm is connected with a second end of the third swing arm, and the fourth swing arm is configured to rotate in the vertical direction around the second end of the third swing arm.

Description

Technical Field

[0001] This application relates to the technical field of charging pile cable retraction devices, and in particular to a charging pile swing arm device and a charging pile. Background Technology

[0002] A gun wire assisted retrieval system is a user-friendly structural device that assists in pulling out and retrieving gun wires due to their large weight and length. Currently, the market commonly uses single auxiliary devices such as coil spring balancers or swing arms. These auxiliary devices have the following disadvantages: the swing arm's wire retrieval range is limited to no more than 1.5 meters.

[0003] Therefore, it is desirable to provide a charging pile swing arm device and a charging pile that can solve the above problems and improve the swing arm cable retraction range. Utility Model Content

[0004] The technical problem this application aims to solve is that the current charging pile swing arm device has a relatively small range.

[0005] This application provides a charging pile swing arm device, comprising: a column; a first swing arm, the first end of which is provided with a first joint, the first joint being connected to the top of the column, the first swing arm rotating horizontally via the first joint; a second swing arm, the first end of which is provided with a second joint, the second joint being connected to the second end of the first swing arm, the second swing arm rotating horizontally via the second joint; a third swing arm, the first end of which is provided with a third joint, the third joint being connected to the second end of the second swing arm, the third swing arm rotating vertically and horizontally via the third joint; and a fourth swing arm, the first end of which is connected to the second end of the third swing arm, the fourth swing arm being configured to rotate vertically about the second end of the third swing arm, the second end of which is provided with a first clamping structure for clamping a charging gun.

[0006] In some embodiments of this application, the first joint includes: a first rotating shaft, a first turntable being disposed at a first end of the first rotating shaft, the first rotating shaft being fixedly connected to the top surface of the column via the first turntable; a first outer shell, covering a portion of the outer wall of the first rotating shaft, the first outer shell containing a first bearing and a second bearing sleeved on the first rotating shaft, the first outer shell being connected to a first end of the first swing arm; and a first return mechanism disposed at the top of the first outer shell, the return rotating shaft of the first return mechanism being fixedly connected to the first rotating shaft, the first return mechanism having a restoring force that returns the first swing arm to its initial position.

[0007] In some embodiments of this application, the first turntable is provided with a plurality of circumferentially distributed limiting holes, and the first rotating shaft is also provided with a second turntable located above the first turntable. The second turntable is also provided with a plurality of circumferentially distributed limiting holes, and the rotation of the second turntable is restricted by connecting the limiting holes on the first turntable and the second turntable through a movable pin.

[0008] In some embodiments of this application, one side of the first turntable has a limiting baffle that extends upward above the first return mechanism to limit the second swing arm.

[0009] In some embodiments of this application, the second joint includes: a second rotating shaft, a third turntable being disposed at a first end of the second rotating shaft, the second rotating shaft being fixedly connected to a second end of the first swing arm via the third turntable; a second housing, covering a portion of the outer wall of the second rotating shaft, the second housing containing a third bearing and a fourth bearing sleeved on the second rotating shaft, the second housing being connected to a first end of the second swing arm; and a second return mechanism disposed at the top of the second housing, the return rotating shaft of the second return mechanism being fixedly connected to the second rotating shaft, the second return mechanism having a restoring force that returns the second swing arm to its initial position.

[0010] In some embodiments of this application, the third turntable is provided with a plurality of circumferentially distributed limiting holes, and the second rotating shaft is also provided with a fourth turntable located above the third turntable. The fourth turntable is also provided with a plurality of circumferentially distributed limiting holes, and the rotation of the fourth turntable is restricted by connecting the limiting holes on the third turntable and the fourth turntable through a movable pin.

[0011] In some embodiments of this application, the surface of the third recovery mechanism is further provided with a take-up mechanism, the second end of the second swing arm is provided with a threading mechanism, the second end of the third swing arm is provided with a second rotating block, and the cord of the take-up mechanism passes through the threading mechanism and connects to the second rotating block.

[0012] In some embodiments of this application, the second rotating block rotates in the vertical direction, and the first end of the fourth swing arm is connected to the second rotating block.

[0013] In some embodiments of this application, the third joint includes: a third rotating shaft connected to the second end of the second swing arm; a first rotating block connected to the third rotating shaft and rotating circumferentially around the third rotating shaft, the first rotating block being provided with limiting holes; and a fifth turntable fixedly connected to the second end of the second swing arm, the fifth turntable being provided with a plurality of circumferentially distributed limiting holes, the fifth turntable being connected to the limiting holes on the first rotating block by a movable pin to restrict the rotation of the first rotating block.

[0014] In some embodiments of this application, the first end of the third swing arm is connected to the first rotating block and rotates about the first rotating block in the vertical direction.

[0015] In some embodiments of this application, the first clamping structure rotates circumferentially around the second end of the fourth swing arm, the second end of the fourth swing arm is provided with a limiting groove, and the first clamping structure is provided with a limiting structure that matches the limiting groove.

[0016] In some embodiments of this application, the second swing arm is further provided with a suspension structure, the first end of the suspension structure is connected to the second swing arm, and the second end of the suspension structure is provided with a second clamping structure for clamping the charging pile gun wire.

[0017] This application also provides a charging pile, including: a charging pile body; and a charging pile swing arm device as described above, disposed on one side of the charging pile body.

[0018] The charging pile swing arm device described in this application embodiment can improve the cable retraction range of the charging pile swing arm device. Attached Figure Description

[0019] The following accompanying drawings describe in detail the exemplary embodiments disclosed in this application. The same reference numerals denote similar structures in several views of the drawings. Those skilled in the art will understand that these embodiments are non-limiting and exemplary, and the drawings are for illustrative purposes only and are not intended to limit the scope of this application. Other embodiments may similarly fulfill the intent of this application. It should be understood that the drawings are not drawn to scale.

[0020] in:

[0021] Figure 1 This is a structural schematic diagram of a charging pile swing arm device according to some embodiments of this application;

[0022] Figure 2 This is a schematic diagram of the first joint structure of the charging pile swing arm device according to some embodiments of this application;

[0023] Figure 3 This is a cross-sectional schematic diagram of the first joint of the charging pile swing arm device according to some embodiments of this application;

[0024] Figure 4 This is a schematic diagram of the second joint structure of the charging pile swing arm device according to some embodiments of this application;

[0025] Figure 5 This is a cross-sectional schematic diagram of the second joint of the charging pile swing arm device according to some embodiments of this application;

[0026] Figure 6This is a schematic diagram of the third joint structure of the charging pile swing arm device according to some embodiments of this application;

[0027] Figure 7 This is a schematic diagram of the fourth swing arm structure of the charging pile swing arm device according to some embodiments of this application;

[0028] Figure 8 This is a schematic diagram of the structure of a charging pile according to some embodiments of this application. Detailed Implementation

[0029] The following description provides specific application scenarios and requirements for this application, intended to enable those skilled in the art to make and use the content of this application. Various partial modifications to the disclosed embodiments will be apparent to those skilled in the art, and the general principles defined herein can be applied to other embodiments and applications without departing from the spirit and scope of this application. Therefore, this application is not limited to the embodiments shown, but rather to the widest scope consistent with the claims.

[0030] The technical solution of this application will be described in detail below with reference to the embodiments and accompanying drawings.

[0031] Embodiments of this application provide a charging pile swing arm device 100, with reference to... Figure 1 As shown, it includes: a column 110; a first swing arm 120, the first end of which is provided with a first joint 130, the first joint 130 being connected to the top of the column 110, and the first swing arm 120 rotating horizontally via the first joint 130; a second swing arm 140, the first end of which is provided with a second joint 150, the second joint 150 being connected to the second end of the first swing arm 120, and the second swing arm 140 rotating horizontally via the second joint 150; and a third swing arm 160, which... The third swing arm 160 has a third joint 170 at its first end, which is connected to the second end of the second swing arm 140. The third swing arm 160 can rotate in the vertical and horizontal directions via the third joint 170. The fourth swing arm 180 has its first end connected to the second end of the third swing arm 160. The fourth swing arm 180 is configured to rotate in the vertical direction around the second end of the third swing arm 160. The second end of the fourth swing arm 180 has a first clamping structure 181 for clamping the charging gun.

[0032] refer to Figure 1As shown, the column 110 is generally cylindrical. A base 111 is provided at the bottom of the column 110. The base 111 is a flat plate-like structure, increasing the contact area with the ground and improving the stability of the column 110 when standing on the ground. The surface of the base 111 is also provided with several reinforcing ribs 112 connecting to the main body of the column 110, further improving stability. The base 111 is also provided with several mounting holes for fixing the base 111 to a designated plane, such as the ground.

[0033] refer to Figure 2 and Figure 3 As shown, in some embodiments of this application, the first joint 130 includes: a first rotating shaft 131, a first turntable 132 is provided at the first end of the first rotating shaft 131, and the first rotating shaft 131 is fixedly connected to the top surface of the column 110 through the first turntable 132; a first outer shell 133, covering part of the outer wall of the first rotating shaft 131, a first bearing 134 and a second bearing 135 sleeved on the first rotating shaft 131 are provided inside the first outer shell 133, and the first outer shell 133 is connected to the first end of the first swing arm 120; a first return mechanism 136 is provided on the top of the first outer shell 133, the return rotating shaft of the first return mechanism 136 is fixedly connected to the first rotating shaft 131, and the first return mechanism 136 has a restoring force to restore the first swing arm 120 to its initial position.

[0034] In some embodiments of this application, the first turntable 132 is fixedly connected to the top surface of the column 110, for example, by screws. The first turntable 132 is integrally connected to the first rotating shaft 131.

[0035] In some embodiments of this application, bearing seats for accommodating the first bearing 134 and the second bearing 135 are respectively provided at the top and bottom of the interior of the first housing 133. (See reference...) Figure 3 As shown, the outer ring of the first bearing 134 is supported by a portion protruding from the inner wall of the first housing 133, and the inner ring of the second bearing 135 is supported by a portion protruding from the first rotating shaft 131.

[0036] In some embodiments of this application, the first return mechanism 136 is, for example, a coil spring balancer, and the return shaft of the first return mechanism 136 is the balancer fixing shaft of the coil spring balancer. The structure of the coil spring balancer is common knowledge in the art and will not be described in detail here. The first return mechanism 136 is fixedly connected to the first housing 133.

[0037] refer to Figure 2 and Figure 3 As shown, the first swing arm 120 can drive the first housing 133 and the first return mechanism 136 to rotate.

[0038] refer to Figure 2 As shown, in some embodiments of this application, the first turntable 132 is provided with a plurality of circumferentially distributed limiting holes, and the first rotating shaft 131 is also provided with a second turntable 137 located above the first turntable 132. The second turntable 137 is also provided with a plurality of circumferentially distributed limiting holes. The limiting holes on the first turntable 132 and the second turntable 137 are connected by a movable pin 138 to restrict the rotation of the second turntable 137. Specifically, when the charging pile swing arm device 100 is in working condition, the first swing arm 120 is rotated and unfolded to a set position as needed, and then fixed by the movable pin 138 to prevent the first swing arm 120 from returning to its initial position under the restoring force of the first return mechanism 136. After the charging pile swing arm device 100 is no longer needed, the movable pin 138 is pulled out, and the first swing arm 120 returns to its initial position under the restoring force of the first return mechanism 136.

[0039] refer to Figure 2 and Figure 3 As shown, in some embodiments of this application, one side of the first turntable 132 has a limiting baffle 139 extending upward above the first return mechanism 136, for limiting the second swing arm 140.

[0040] refer to Figure 4 and Figure 5 As shown, in some embodiments of this application, the second joint 150 includes: a second rotating shaft 151, a third turntable 152 disposed at the first end of the second rotating shaft 151, and the second rotating shaft 151 being fixedly connected to the second end of the first swing arm 120 through the third turntable 152; a second outer shell 153, covering part of the outer wall of the second rotating shaft 151, a third bearing 154 and a fourth bearing 155 sleeved on the second rotating shaft 151 disposed inside the second outer shell 153, and the second outer shell 153 being connected to the first end of the second swing arm 140; and a second return mechanism 156 disposed on the top of the second outer shell 153, the return rotating shaft of the second return mechanism 156 being fixedly connected to the second rotating shaft 151, and the second return mechanism 156 having a restoring force to restore the second swing arm 140 to its initial position.

[0041] In some embodiments of this application, the third turntable 152 is fixedly connected to the second end of the first swing arm 120, for example, by screws. The third turntable 152 is integrally connected to the second rotating shaft 151.

[0042] In some embodiments of this application, bearing seats for accommodating the third bearing 154 and the fourth bearing 155 are respectively provided at the top and bottom of the interior of the second housing 153. (See reference...) Figure 5As shown, the outer ring of the third bearing 154 is supported by a portion protruding from the inner wall of the second housing 153, and the inner ring of the fourth bearing 155 is supported by a portion protruding from the second shaft 151.

[0043] In some embodiments of this application, the second return mechanism 156 is, for example, a coil spring balancer, and the return shaft of the second return mechanism 156 is the balancer fixing shaft of the coil spring balancer. The structure of the coil spring balancer is common knowledge in the art and will not be described in detail here.

[0044] refer to Figure 4 and Figure 5 As shown, the second swing arm 140 can drive the second housing 153 and the second return mechanism 156 to rotate. The second housing 153 and the second return mechanism 156 are fixedly connected.

[0045] refer to Figure 4 As shown, in some embodiments of this application, the third turntable 152 is provided with a plurality of circumferentially distributed limiting holes, and the second rotating shaft 151 is also provided with a fourth turntable 157 located above the third turntable 152. The fourth turntable 157 is also provided with a plurality of circumferentially distributed limiting holes. The limiting holes on the third turntable 152 and the fourth turntable 157 are connected by a movable pin 158 to restrict the rotation of the fourth turntable. Specifically, when the charging pile swing arm device 100 is in working condition, the second swing arm 140 is rotated and unfolded to a set position as needed, and then fixed by the movable pin 158 to prevent the second swing arm 140 from returning to its initial position under the restoring force of the second return mechanism 156. After the charging pile swing arm device 100 is no longer needed, the movable pin 158 is pulled out, and the second swing arm 140 returns to its initial position under the restoring force of the second return mechanism 156.

[0046] refer to Figure 6 As shown, in some embodiments of this application, the third joint 170 includes: a third rotating shaft 171 connected to the second end of the second swing arm 140; a first rotating block 172 connected to the third rotating shaft 171 and rotating circumferentially around the third rotating shaft 171, the first rotating block 172 being provided with limiting holes; and a fifth turntable 173 fixedly connected to the second end of the second swing arm 140, the fifth turntable 173 being provided with a plurality of circumferentially distributed limiting holes, the fifth turntable 173 and the limiting holes on the first rotating block 172 being connected by a movable pin 174 to restrict the rotation of the first rotating block 172.

[0047] In some embodiments of this application, the first end of the third swing arm 160 is connected to the first rotating block 172 and rotates vertically around the first rotating block 172. The first end portion of the third swing arm 160 clamps the first rotating block 172 and is rotatably connected via a rotating connector 175.

[0048] refer to Figure 7 As shown, in some embodiments of this application, the first clamping structure 181 rotates circumferentially around the second end of the fourth swing arm 180. The second end of the fourth swing arm 180 is provided with a limiting groove 182, and the first clamping structure 181 is provided with a limiting structure 183 that matches the limiting groove 182. The limiting groove 182 and the limiting structure 183 cooperate to restrict the rotation of the first clamping structure 181. The first clamping structure 181 is composed of two cuboids with semi-circular recesses. The two cuboids constitute the main body of the first clamping structure 181, and the semi-circular recesses combine to form a circular through hole for clamping the charging gun. The two cuboids are detachable.

[0049] refer to Figure 4 and Figure 5 As shown, in some embodiments of this application, the surface of the third recovery mechanism 156 is further provided with a take-up mechanism 141, which is, for example, a spring take-up device. (See reference...) Figure 1 As shown, a threading mechanism 142 is provided at the second end of the second swing arm 140. (Reference) Figure 7 As shown, a second rotating block 161 is provided at the second end of the third swing arm 160. The line of the take-up mechanism 141 passes through the threading mechanism 142 and connects to the second rotating block 161. The take-up mechanism 141 has an inward restoring force for taking up the line.

[0050] refer to Figure 7 As shown, in some embodiments of this application, the second rotating block 161 is configured to rotate in the vertical direction, and the first end of the fourth swing arm 180 is connected to the second rotating block 161. The fourth swing arm 180 is configured to rotate about the second rotating block 161 in the vertical direction.

[0051] refer to Figure 1 As shown in some embodiments of this application, a suspension structure 190 is further provided on the second swing arm 140. The first end of the suspension structure 190 is connected to the second swing arm 140, and the second end of the suspension structure 190 is provided with a second clamping structure for clamping the charging pile gun cable. The first end of the suspension structure 190 is detachably connected to the second swing arm 140, and the position of the first end of the suspension structure 190 on the second swing arm 140 can be adjusted. The second clamping structure has the same structure as the first clamping structure.

[0052] refer to Figure 8 As shown, this application also provides a charging pile 200, including: a charging pile body 210; a charging pile swing arm device 100 as described above, disposed on one side of the charging pile body 210; a charging gun 220, clamped by the first clamping structure; and a charging gun cable 230, clamped by the suspension mechanism 190.

[0053] The charging pile swing arm device described in this application embodiment can improve the cable retraction range of the charging pile swing arm device.

[0054] The basic concepts have been described above. Obviously, for those skilled in the art, the detailed disclosure above is merely illustrative and does not constitute a limitation of this specification. Although not explicitly stated herein, those skilled in the art may make various modifications, improvements, and corrections to this application. Such modifications, improvements, and corrections are suggested in this specification, and therefore remain within the spirit and scope of the exemplary embodiments of this application.

[0055] It should be noted that, in the description of this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," and "fixing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; a mechanical connection or an electrical connection; a rotating connection or a sliding connection; a direct connection or an indirect connection through an intermediate medium; or the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application in light of the specific circumstances.

[0056] Furthermore, when the terms "first," "second," "third," etc., are used in this application specification to describe various features, these terms are only used to distinguish these features and should not be construed as indicating or implying the correlation or relative importance between features or implicitly indicating the number of features indicated.

[0057] In addition, this application specification describes exemplary embodiments by referring to idealized exemplary cross-sectional views and / or plan views and / or perspective views. Therefore, differences from the illustrated shapes are foreseeable due to factors such as manufacturing techniques and / or tolerances. Therefore, exemplary embodiments should not be construed as limited to the shapes of the regions shown herein, but should include deviations in shape caused, for example, by manufacturing processes. Thus, the regions shown in the figures are substantially schematic, and their shapes are not intended to illustrate the actual shapes of the regions of the device, nor to limit the scope of the exemplary embodiments.

[0058] Furthermore, this application uses specific terms to describe embodiments of this specification. For example, "an embodiment," "one embodiment," and / or "some embodiments" refer to a particular feature, structure, or characteristic related to at least one embodiment of this application. Therefore, it should be emphasized and noted that "an embodiment," "one embodiment," or "an alternative embodiment" mentioned twice or more in different locations in this application do not necessarily refer to the same embodiment. In addition, certain features, structures, or characteristics in one or more embodiments of this application can be appropriately combined.

[0059] Similarly, it should be noted that, in order to simplify the description of the present application and thus aid in the understanding of one or more embodiments, the foregoing description of the embodiments of the present application sometimes combines multiple features into a single embodiment, drawing, or description thereof. However, this disclosure method does not imply that the subject matter of the present application requires more features than those mentioned in the claims. In fact, the embodiments contain fewer features than all the features of the single embodiments disclosed above.

[0060] Finally, it should be understood that the embodiments described in this application are merely illustrative of the principles of the embodiments of this application. Other modifications may also fall within the scope of this application. Therefore, alternative configurations of the embodiments of this application are considered as examples and not limitations, and are regarded as consistent with the teachings of this application. Accordingly, the embodiments of this application are not limited to the embodiments explicitly described and illustrated in this application.

Claims

1. A charging pile swing arm device, characterized in that, include: Columns; A first swing arm, wherein a first joint is provided at a first end of the first swing arm, the first joint is connected to the top of the column, and the first swing arm rotates in the horizontal direction through the first joint; The second swing arm has a second joint at its first end, which is connected to the second end of the first swing arm. The second swing arm can rotate in the horizontal direction through the second joint. The third swing arm has a third joint at its first end, which is connected to the second end of the second swing arm. The third swing arm can rotate in the vertical and horizontal directions through the third joint. The fourth swing arm has a first end connected to the second end of the third swing arm. The fourth swing arm is configured to rotate vertically about the second end of the third swing arm. The second end of the fourth swing arm is provided with a first clamping structure for clamping the charging gun.

2. The charging pile swing arm device according to claim 1, characterized in that, The first joint includes: A first rotating shaft, with a first turntable at its first end, is fixedly connected to the top surface of the column via the first turntable. A first outer shell covers part of the outer wall of the first rotating shaft. A first bearing and a second bearing are sleeved on the first rotating shaft inside the first outer shell. The first outer shell is connected to the first end of the first swing arm. A first return mechanism is disposed on the top of the first housing. The return shaft of the first return mechanism is fixedly connected to the first shaft. The first return mechanism has a restoring force that restores the first swing arm to its initial position.

3. The charging pile swing arm device according to claim 2, characterized in that, The first turntable is provided with a plurality of circumferentially distributed limiting holes. The first rotating shaft is also provided with a second turntable located above the first turntable. The second turntable is also provided with a plurality of circumferentially distributed limiting holes. The rotation of the second turntable is restricted by connecting the limiting holes on the first turntable and the second turntable through a movable pin.

4. The charging pile swing arm device according to claim 2, characterized in that, One side of the first turntable has a limiting baffle that extends upward above the first return mechanism to limit the second swing arm.

5. The charging pile swing arm device according to claim 1, characterized in that, The second joint includes: The second rotating shaft has a third turntable at its first end, and the second rotating shaft is fixedly connected to the second end of the first swing arm through the third turntable; The second housing covers part of the outer wall of the second rotating shaft. The second housing is provided with a third bearing and a fourth bearing sleeved on the second rotating shaft. The second housing is connected to the first end of the second swing arm. The second return mechanism is disposed on the top of the second housing. The return shaft of the second return mechanism is fixedly connected to the second shaft. The second return mechanism has a restoring force that restores the second swing arm to its initial position.

6. The charging pile swing arm device according to claim 5, characterized in that, The third turntable is provided with a plurality of circumferentially distributed limiting holes. The second rotating shaft is also provided with a fourth turntable located above the third turntable. The fourth turntable is also provided with a plurality of circumferentially distributed limiting holes. The third turntable and the limiting holes on the fourth turntable are connected by a movable pin to restrict the rotation of the fourth turntable.

7. The charging pile swing arm device according to claim 5, characterized in that, The surface of the third recovery mechanism is also provided with a take-up mechanism, the second end of the second swing arm is provided with a threading mechanism, the second end of the third swing arm is provided with a second rotating block, and the rope of the take-up mechanism passes through the threading mechanism and connects to the second rotating block.

8. The charging pile swing arm device according to claim 7, characterized in that, The second rotating block rotates in the vertical direction, and the first end of the fourth swing arm is connected to the second rotating block.

9. The charging pile swing arm device according to claim 1, characterized in that, The third joint includes: The third pivot is connected to the second end of the second swing arm; A first rotating block is connected to the third rotating shaft and rotates circumferentially around the third rotating shaft. A limit hole is provided on the first rotating block. The fifth turntable is fixedly connected to the second end of the second swing arm. The fifth turntable is provided with a plurality of circumferentially distributed limiting holes. The fifth turntable and the limiting holes on the first rotating block are connected by a movable pin to restrict the rotation of the first rotating block.

10. The charging pile swing arm device according to claim 9, characterized in that, The first end of the third swing arm is connected to the first rotating block and rotates around the first rotating block in the vertical direction.

11. The charging pile swing arm device according to claim 1, characterized in that, The first clamping structure rotates circumferentially around the second end of the fourth swing arm, the second end of the fourth swing arm is provided with a limiting groove, and the first clamping structure is provided with a limiting structure that matches the limiting groove.

12. The charging pile swing arm device according to claim 1, characterized in that, The second swing arm is also provided with a suspension structure. The first end of the suspension structure is connected to the second swing arm, and the second end of the suspension structure is provided with a second clamping structure for clamping the charging pile gun wire.

13. A charging pile, characterized in that, include: The charging pile itself; The charging pile swing arm device as described in any one of claims 1-12 is disposed on one side of the charging pile body.

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