A charging pile swing arm device and a charging pile
By designing a charging pile swing arm device that includes a base, spring, swing arm and rotating components, the swing arm can be omnidirectionally swung by utilizing the elastic force of the spring, which solves the problems of poor user experience and adaptability, and achieves flexible charging gun operation and wide applicability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 苏州三米格科技有限公司
- Filing Date
- 2025-06-26
- Publication Date
- 2026-06-26
AI Technical Summary
Existing charging pile swing arm devices offer a poor user experience and are difficult to adapt to small-sized charging piles.
Design a charging pile swing arm device, including a base, spring, swing arm, connector and rotating component. The spring force is used to realize the omnidirectional swing of the swing arm. The cable clamp is connected through the rotating component to improve the flexibility of the charging gun and the user experience.
It improves the user experience, has a simple structure, is easy to install, and has a wide range of compatibility, matching charging cables of different weights and charging piles of different sizes.
Smart Images

Figure CN224408993U_ABST
Abstract
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 charging cable assisted retrieval system is a user-friendly structural device that assists in pulling out and retrieving charging cables due to their weight and length. Currently, commonly used auxiliary devices include spring balancers and swing arm balancers. These adjustment methods have the following limitations: Spring balancers, due to the increasing force of the spring and the material of the spring itself, cause significant tension on the user when the cable is pulled to the end, resulting in a poor user experience; Swing arm balancers are located on top of the charging station and typically consist of two arms, with the main arm being longer. For aesthetic reasons, the swing arm balancer generally cannot protrude from the charging station in its initial state. Therefore, swing arms are mainly used on larger charging stations and are difficult to adapt to smaller ones.
[0003] Therefore, it is desirable to provide a charging pile swing arm device and a charging pile that can solve the above problems. Utility Model Content
[0004] The technical problem this application aims to solve is that current charging pile swing arm devices offer a poor user experience and are difficult to adapt to small-sized charging piles.
[0005] This application provides a charging pile swing arm device, comprising: a base; a spring, the first end of which is connected to the base; a swing arm, the first end of which is connected to the second end of the spring; a connector, which is connected to the second end of the swing arm; and a rotating assembly, which is connected to the connector and is configured to rotate about the axis of the connector, and the rotating assembly is provided with a knot structure for connecting cable clamps.
[0006] In some embodiments of this application, the base includes a connecting portion for connecting to the charging pile body and a fixing portion for fixing the spring.
[0007] In some embodiments of this application, the base includes a fixing part for fixing to the ground and a column for connecting the spring.
[0008] In some embodiments of this application, the cross-sectional shape of the spring wire includes any one of a circle, a rectangle, or a rounded rectangle.
[0009] In some embodiments of this application, the cross-sectional shape of the spring wire is a rounded rectangle, the first side length of the rounded rectangle is 6 mm to 14 mm, the second side length of the rounded rectangle is 6 mm to 14 mm, and the radius of the rounded corners of the rounded rectangle is 1 mm to 6 mm.
[0010] In some embodiments of this application, the swing arm is a hollow cylindrical structure.
[0011] In some embodiments of this application, the second end of the spring is sleeved on the outer wall of the first end of the swing arm, or the first end of the swing arm is sleeved on the outer wall of the second end of the spring.
[0012] In some embodiments of this application, the second end of the spring is connected to the first end of the swing arm by welding.
[0013] In some embodiments of this application, the outer or inner wall of the first end of the swing arm has a threaded structure that matches the outer wall of the second end of the spring, and the outer wall of the second end of the spring matches the threaded structure to connect with the first end of the swing arm.
[0014] In some embodiments of this application, the charging pile swing arm device further includes a protective cover fitted over the position where the first end of the swing arm connects to the second end of the spring.
[0015] In some embodiments of this application, the connector has a first fixing hole, and the second end of the swing arm is embedded in the first fixing hole and fixedly connected to the connector by bolts.
[0016] In some embodiments of this application, the connector has a second fixing hole, the rotating assembly includes a main body and a mounting part, the mounting part is embedded in the second fixing hole, and the mounting part is configured to rotate in the second fixing hole.
[0017] In some embodiments of this application, the second fixing hole has a receiving cavity, the knot structure includes a rope and a first knot and a second knot located at both ends of the rope, the first knot is located in the receiving cavity, the rope passes through the hollow mounting part and the main body and extends from one side of the main body to suspend the second knot, and the second knot is used to connect the cable clamp.
[0018] In some embodiments of this application, at least one pulley is provided in the main body, and the rope is arranged around the pulley in the main body.
[0019] In some embodiments of this application, a bearing is provided on the inner wall of the second mounting hole, the mounting part is disposed on the bearing and rotates through the bearing, the mounting part has threads, and the mounting part is fixed by a nut after passing through the bearing.
[0020] In some embodiments of this application, the charging pile swing arm device further includes: a bearing cover plate, which is sleeved on the outer wall of the mounting part and pressed against the surface of the connector by the main body.
[0021] In some embodiments of this application, the ratio of the force required to pull the swing arm from a state perpendicular to the ground to a state horizontal to the ground to the weight of the charging gun cable is 0.6 to 1.
[0022] One aspect of this application also provides a charging pile, comprising: a charging pile body; a charging pile swing arm device as described above; and a charging gun, wherein the charging gun's charging cable is connected to a rotating assembly of the charging pile swing arm device via a cable clamp holding one end of the charging cable.
[0023] The charging pile swing arm device described in this application mainly includes a swing arm and a spring. The spring force is used to realize the omnidirectional swing of the swing arm. The force for the swing arm to return to its original position is very small, which can improve the user experience. It has a simple structure, is easy to install, and has high reliability. It has a wide range of compatibility and can be matched with charging cables of different weights and charging piles of different sizes. Attached Figure Description
[0024] 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.
[0025] in:
[0026] Figure 1 This is a schematic diagram of the overall structure of the charging pile swing arm device according to some embodiments of this application;
[0027] Figure 2 This is a schematic diagram of the overall structure of the charging pile swing arm device according to other embodiments of this application;
[0028] Figure 3 This is a schematic diagram of the spring structure of the charging pile swing arm device according to some embodiments of this application;
[0029] Figure 4 This is a schematic diagram of the spring structure of the charging pile swing arm device according to other embodiments of this application;
[0030] Figure 5 This is a schematic diagram of the working state of a charging pile swing arm device according to some embodiments of this application;
[0031] Figure 6 This is a partial structural schematic diagram of a charging pile swing arm device according to some embodiments of this application;
[0032] Figure 7This is a schematic diagram of the structure of a charging pile according to some embodiments of this application. Detailed Implementation
[0033] 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.
[0034] The technical solution of this application will be described in detail below with reference to the embodiments and accompanying drawings.
[0035] Figure 1 This is a schematic diagram of the overall structure of the charging pile swing arm device according to some embodiments of this application. Figure 2 This is a schematic diagram of the overall structure of the charging pile swing arm device according to other embodiments of this application.
[0036] This application provides a charging pile swing arm device 100, with reference to... Figure 1 and Figure 2 As shown, it includes: a base 110; a spring 120, the first end of which is connected to the base 110; a swing arm 130, the first end of which is connected to the second end of the spring 120; a connector 140, which is connected to the second end of the swing arm 130; and a rotating assembly 150, which is connected to the connector 140 and is configured to rotate about the axis of the connector 140. The rotating assembly 150 is provided with a knot structure 160 for connecting a cable clamp.
[0037] In this application's technical solution, the charging gun's cable is connected to the knot structure 160 via a cable clamp. When using the charging gun, the cable can drive the rotating component 150 to rotate, increasing the flexibility of the cable's movement when pulling out and retracting. The cable drives the swing arm 130 to swing, and the bending deformation of the spring 120 allows the swing arm 130 to swing in all directions, further increasing the flexibility of the cable's use. Different spring specifications and swing arm length combinations can be matched according to different cable weights to achieve a balance between spring force and cable weight, resulting in very low pull-out and retraction force and an excellent user experience. The swing arm 130 can automatically return to its original position under the elastic force of the spring 120, and the elastic force of the spring 120 is smaller than the retraction force of a traditional coil spring balancer, resulting in a higher user experience.
[0038] refer to Figure 1As shown, in some embodiments of this application, the base 110 is a connecting structure used to fix the spring 120 and fix the spring 120 to the charging pile. Specifically, the base 110 includes a connecting portion 110 for connecting to the charging pile body and a fixing portion 112 for fixing the spring 120. The connecting portion 110 may have a plurality of connecting holes for connecting to the charging pile body. The fixing portion 112 has a fixing ring for fixing the first end of the spring 120. The fixing ring is sleeved on the outer wall of the spring 120 to fix the spring 120.
[0039] refer to Figure 2 As shown, in some other embodiments of this application, the base 110 is a column structure. The base 110 is used to fix the spring 120 to the bottom surface around the charging pile. Specifically, the base 110 includes a fixing part 113 for fixing to the ground and a column 114 for connecting the spring 120.
[0040] Continue to refer to Figure 1 and Figure 2 As shown, in some embodiments of this application, the charging pile swing arm device 100 further includes a protective cover 190, which is fitted onto the position where the first end of the swing arm 130 is connected to the second end of the spring 120, serving both aesthetic and protective purposes.
[0041] Figure 3 This is a schematic diagram of the spring structure of the charging pile swing arm device according to some embodiments of this application. Figure 4 This is a schematic diagram of the spring structure of the charging pile swing arm device according to other embodiments of this application.
[0042] refer to Figure 3 and Figure 4 As shown, the spring 120 described in this embodiment is a contact spring. The spring wires of the spring 120 are spirally stacked in contact. The spring 120 is configured to stand upright in its initial state and support structures such as the swing arm 130, the connector 140, and the rotating assembly 150.
[0043] In some embodiments of this application, the cross-sectional shape of the spring wire 121 of the spring 120 includes any one of a circle, a rectangle, or a rounded rectangle. For example, refer to... Figure 3 As shown, the cross-sectional shape of the spring wire 121 of the spring 120 can be a rounded rectangle. The first side length of the rounded rectangle is 6 mm to 14 mm, the second side length is 6 mm to 14 mm, and the rounded corner radius is 1 mm to 6 mm. The rounded rectangle is composed of two sets of parallel and opposite first and second sides and four quarter circles. (Reference) Figure 4As shown, the cross-sectional shape of the spring wire 121 of the spring 120 can be circular, and the diameter of the circle is, for example, 8 mm, 9 mm, 10 mm, 11 mm or 12 mm.
[0044] Continue to refer to Figure 1 and Figure 2 As shown, in some embodiments of this application, the swing arm 130 is a hollow cylindrical structure (i.e., a circular tube structure). The diameter of the swing arm 130 may be greater than or less than the diameter of the spring 120.
[0045] In some embodiments of this application, the diameter of the swing arm 130 is smaller than the diameter of the spring 120, and the second end of the spring 120 is fitted onto the outer wall of the first end of the swing arm 130. Alternatively, the diameter of the swing arm 130 is larger than the diameter of the spring 120, and the first end of the swing arm 130 is fitted onto the outer wall of the second end of the spring 120.
[0046] In some embodiments of this application, the second end of the spring 120 is connected to the first end of the swing arm 130 by welding.
[0047] In some other embodiments of this application, the outer or inner wall of the first end of the swing arm 130 has a threaded structure that matches the outer wall of the second end of the spring 120, and the outer wall of the second end of the spring 120 matches the threaded structure to connect with the first end of the swing arm 130.
[0048] Figure 5 This is a schematic diagram of the working state of a charging pile swing arm device according to some embodiments of this application.
[0049] refer to Figure 5 As shown, the spring 120 is configured such that the ratio of the pulling force F required to pull the swing arm 130 from a state perpendicular to the ground to a state horizontal to the ground is 0.6 to 1, thus providing the best user experience.
[0050] Figure 6 This is a partial structural schematic diagram of a charging pile swing arm device according to some embodiments of this application. Specifically, the partial view is the connection portion of the rotating assembly 150, the connector 140, and the second end of the swing arm 120.
[0051] refer to Figure 6 As shown, in some embodiments of this application, the connector 140 has a first fixing hole, and the second end of the swing arm 130 is embedded in the first fixing hole and fixedly connected to the connector 140 by a bolt 141. In some embodiments of this application, the connector 140 is configured to be rotatable about the axial direction of the swing arm 130.
[0052] Continue to refer to Figure 6 As shown, in some embodiments of this application, the connector 140 has a second fixing hole, and the rotating assembly 150 includes a main body 170 and a mounting portion 180, the mounting portion 180 being inserted into the second fixing hole and configured to rotate within the second fixing hole.
[0053] Continue to refer to Figure 6 As shown, in some embodiments of this application, the second fixing hole has a receiving cavity 151, and the knot structure 160 includes a rope 161 and a first knot 162 and a second knot 163 located at both ends of the rope 161. The first knot 162 is located in the receiving cavity 151. The rope 161 passes through the hollow mounting portion 180 and the main body portion 170 and extends from one side of the main body portion 170 to suspend the second knot 163. The second knot 163 is used to connect the cable clamp.
[0054] Continue to refer to Figure 6 As shown, in some embodiments of this application, at least one pulley 171 is provided in the main body 170 (two pulleys side by side are used as an example in this application), and the rope 161 is arranged around the pulley 171 in the main body 170 (passing exactly between the two pulleys).
[0055] Continue to refer to Figure 6 As shown, in some embodiments of this application, a bearing 181 is provided on the inner wall of the second mounting hole, the mounting part 180 is disposed on the bearing 181 and rotates through the bearing 181, the mounting part 180 has a thread 182, and the mounting part 180 is fixed by a nut 183 and the thread 182 after passing through the bearing 181.
[0056] Continue to refer to Figure 6 As shown, in some embodiments of this application, the charging pile swing arm device 100 further includes: a bearing cover plate 184, which is fitted on the outer wall of the mounting part 180 and pressed against the surface of the connector 140 by the main body part 170 to limit the bearing 181 and close the second mounting hole.
[0057] The charging pile swing arm device described in this application mainly includes a swing arm and a spring. The spring force is used to realize the omnidirectional swing of the swing arm. The force for the swing arm to return to its original position is very small, which can improve the user experience. It has a simple structure, is easy to install, and has high reliability. It has a wide range of compatibility and can be matched with charging cables of different weights and charging piles of different sizes.
[0058] Figure 7 This is a schematic diagram of the structure of a charging pile according to some embodiments of this application.
[0059] Embodiments of this application also provide a charging pile 200, see reference. Figure 7 As shown, it includes: a charging pile body 210; a charging pile swing arm device 100 as described above; a charging gun 220, wherein the gun wire 230 of the charging gun 220 is connected to the knot structure 160 of the rotating component 150 of the charging pile swing arm device 100 through a cable clamp 240 that holds the gun wire 230.
[0060] The charging pile swing arm device and diluting device provided in this application embodiment have a main arm and a secondary arm connected by a first connector and a second connector. The structure of the first connector and the second connector is configured to enable the secondary arm to rotate 180 degrees around the main arm.
[0061] 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.
[0062] 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.
[0063] 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.
[0064] 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.
[0065] 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.
[0066] 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.
[0067] 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: Base; A spring, the first end of which is connected to the base; A swing arm, the first end of which is connected to the second end of the spring; A connector, which is connected to the second end of the swing arm; A rotating assembly connected to the connector, the rotating assembly being configured to rotate about the axis of the connector, and the rotating assembly having a knot structure for connecting a cable clamp.
2. The charging pile swing arm device according to claim 1, characterized in that, The base includes a connecting part for connecting to the charging pile body and a fixing part for fixing the spring.
3. The charging pile swing arm device according to claim 1, characterized in that, The base includes a fixing part for fixing to the ground and a column for connecting the spring.
4. The charging pile swing arm device according to claim 1, characterized in that, The cross-sectional shape of the spring wire can be any one of a circle, a rectangle, or a rounded rectangle.
5. The charging pile swing arm device according to claim 4, characterized in that, The spring wire cross-section is a rounded rectangle, the first side of which has a length of 6 mm to 14 mm, the second side of which has a length of 6 mm to 14 mm, and the corner radius of which has a length of 1 mm to 6 mm.
6. The charging pile swing arm device according to claim 1, characterized in that, The swing arm is a hollow cylindrical structure.
7. The charging pile swing arm device according to claim 6, characterized in that, The second end of the spring is fitted onto the outer wall of the first end of the swing arm, or the first end of the swing arm is fitted onto the outer wall of the second end of the spring.
8. The charging pile swing arm device according to claim 7, characterized in that, The second end of the spring is connected to the first end of the swing arm by welding.
9. The charging pile swing arm device according to claim 7, characterized in that, The outer or inner wall of the first end of the swing arm has a threaded structure that matches the outer wall of the second end of the spring, and the outer wall of the second end of the spring matches the threaded structure to connect with the first end of the swing arm.
10. The charging pile swing arm device according to claim 9, characterized in that, Also includes: A protective cover is fitted over the position where the first end of the swing arm connects to the second end of the spring.
11. The charging pile swing arm device according to claim 1, characterized in that, The connector has a first fixing hole, and the second end of the swing arm is embedded in the first fixing hole and fixedly connected to the connector by bolts.
12. The charging pile swing arm device according to claim 1, characterized in that, The connector has a second fixing hole, and the rotating assembly includes a main body and a mounting part. The mounting part is embedded in the second fixing hole and is configured to rotate within the second fixing hole.
13. The charging pile swing arm device according to claim 12, characterized in that, The second fixing hole has a receiving cavity. The knot structure includes a rope and a first knot and a second knot located at both ends of the rope. The first knot is located in the receiving cavity. The rope passes through the hollow mounting part and the main body and extends from one side of the main body to suspend the second knot. The second knot is used to connect the cable clamp.
14. The charging pile swing arm device according to claim 13, characterized in that, At least one pulley is provided in the main body, and the rope is arranged around the pulley in the main body.
15. The charging pile swing arm device according to claim 12, characterized in that, The inner wall of the second mounting hole is provided with a bearing, the mounting part is disposed on the bearing and rotates through the bearing, the mounting part has threads, and the mounting part is fixed by a nut after passing through the bearing.
16. The charging pile swing arm device according to claim 15, characterized in that, Also includes: The bearing cover plate is fitted onto the outer wall of the mounting part and pressed against the surface of the connector by the main body.
17. The charging pile swing arm device according to claim 1, characterized in that, The ratio of the force required to pull the swing arm from a position perpendicular to the ground to a position horizontal to the ground to the weight of the charging gun cable is 0.6 to 1.
18. A charging pile, characterized in that, include: The charging pile itself; The charging pile swing arm device as described in any one of claims 1-17; The charging gun has its charging cable connected to the rotating assembly of the charging pile swing arm device via a cable clamp that holds one end of the charging cable.