Pull rod device and energy storage equipment

Abstract

The utility model discloses a pull rod device and energy storage equipment, and relates to the technical field of movable energy storage equipment, the pull rod device is provided with a first direction and a second direction, the first direction is perpendicular to the second direction, the pull rod device comprises a pull rod rail and a pull rod assembly, the pull rod rail is provided with a sliding cavity, and the sliding cavity extends in the first direction; an opening is formed in one end of the sliding cavity in the first direction. The pull rod rail is used for being connected with an energy storage device of energy storage equipment. The pull rod assembly is arranged in the sliding cavity in a sliding and penetrating mode in the first direction through the opening and comprises a plurality of pull rods, the pull rods are sequentially connected in the first direction, any two adjacent pull rods are rotationally connected, and in the first direction, the pull rod extending out of the sliding cavity through the opening rotates around the second direction relative to the pull rod located in the sliding cavity. The pull rod device can meet the requirements of labor saving in carrying, safety and reliability at the same time.

Description

Technical Field

[0001] This utility model relates to the field of mobile energy storage equipment technology, and more specifically, to a lever device and an energy storage device. Background Technology

[0002] To facilitate the movement of energy storage devices, it is usually necessary to add a tie rod device to the energy storage device to meet the handling requirements. However, in traditional energy storage devices, when users use the tie rod device to pull the energy storage device, the entire weight of the energy storage device is applied to the tie rod device, and users still need to exert a lot of force. In addition, the structural strength of the tie rod device is also required to be high. Utility Model Content

[0003] In view of this, the purpose of this application is to overcome the shortcomings of the prior art and provide a lever device and energy storage device that can simultaneously meet the requirements of labor-saving handling and safety and reliability.

[0004] To achieve the above objectives, the technical solution adopted in this application is as follows:

[0005] In a first aspect, this application provides a pull rod device, which has a first direction and a second direction, wherein the first direction is perpendicular to the second direction, and the pull rod device includes:

[0006] A pull rod rail is provided with a sliding cavity, the sliding cavity extends along the first direction, and one end of the sliding cavity along the first direction is provided with an opening. The pull rod rail is used to connect with the energy storage device of the energy storage equipment.

[0007] A pull rod assembly is slidably inserted into the sliding cavity along the first direction through the opening. The pull rod assembly includes multiple pull rods, which are sequentially connected along the first direction. Any two adjacent pull rods are rotatably connected. In the first direction, the pull rod extending out of the sliding cavity through the opening rotates about the second direction relative to the pull rod located in the sliding cavity.

[0008] In an optional embodiment, the pull rod device further includes a guide member connected to the pull rod assembly and disposed within the sliding cavity. The guide member is slidably connected to the two side walls of the sliding cavity along the second direction, and the guide member slides relative to the sliding cavity along the first direction.

[0009] In an optional embodiment, the pull rod track is provided with a plurality of locking positions spaced apart along the first direction. The guide moves along the first direction and locks with the pull rod track at any of the locking positions. When the guide moves from one of the locking positions to another adjacent locking position, any one of the pull rods extends out of the sliding cavity or retracts into the sliding cavity.

[0010] In an optional embodiment, the locking position includes a first locking position and a second locking position, wherein the first locking position is disposed at one end of the sliding cavity near the opening along the first direction, and the second locking position is disposed at one end of the sliding cavity away from the opening along the first direction;

[0011] The guide member is rotatably connected to one end of the pull rod assembly along the first direction;

[0012] The guide is locked to the pull rod track at the first locking position, and each pull rod is located outside the sliding cavity, and the pull rod assembly rotates about the second direction relative to the guide;

[0013] The guide member is locked to the pull rod track at the second locking position, and each pull rod is located within the sliding cavity.

[0014] In an optional embodiment, the pull rod device further includes a plurality of locking components, which are connected to the pull rod track, and each locking position is provided with a locking component, and each locking component abuts against the guide member.

[0015] In an optional embodiment, the locking assembly includes a plurality of elastic locking members, which are respectively disposed on both sides of the sliding cavity along the second direction, and each of the elastic locking members is at least partially disposed within the sliding cavity and abuts against the guide member, and the elastic locking members have elastic potential energy along the second direction.

[0016] In an optional embodiment, the elastic locking member includes an elastic part and a locking part. The pull rod rail is also provided with a receiving groove. Each locking position is provided with the receiving groove. The receiving groove extends along the second direction and communicates with the sliding cavity. The elastic part is disposed in the receiving groove and has elastic potential energy along the second direction. The locking part is connected to one end of the elastic part along the second direction near the sliding cavity and is at least partially disposed in the sliding cavity. The locking part abuts against the guide member.

[0017] In an optional embodiment, the guide member is provided with abutment grooves at both ends along the second direction, and at least a portion of the elastic locking member near the end of the guide member along the second direction abuts against the groove wall of the abutment groove. The shape of the abutment groove 310 is the same as the shape of the end of the elastic locking member near the sliding cavity along the second direction.

[0018] In an optional embodiment, the pull rod assembly further includes a first rotating shaft extending along the second direction. The guide includes a fixing part and a connecting part. The fixing part extends along the second direction, and both ends of the fixing part along the second direction abut against the locking assembly. The connecting part is connected to one end of the fixing part along the first direction and protrudes from the fixing part along the first direction. The connecting part is rotatably connected to the pull rod assembly via the first rotating shaft.

[0019] Secondly, this application provides an energy storage device, including: a lever device as described in any of the foregoing embodiments.

[0020] The tie rod device of this application has the following advantages:

[0021] In the lever device of this application, the lever device is connected to the energy storage device via a lever rail. Since the lever assembly slides through the sliding cavity in the first direction via an opening, multiple levers can slide through the sliding cavity in the first direction, allowing some levers to extend out of the sliding cavity through the opening. Furthermore, since the multiple levers are sequentially connected in the first direction, any two adjacent levers are rotatably connected. In the first direction, the lever extending out of the sliding cavity via the opening rotates relative to the lever inside the sliding cavity around the second direction. Therefore, when any lever extends out of the sliding cavity via the opening, the lever extending out of the sliding cavity can rotate relative to the lever rail around the second direction, thus allowing the lever extending out of the sliding cavity to rotate relative to the energy storage device around the second direction. This avoids the weight of the energy storage device being applied to the lever extending out of the sliding cavity, reducing the effort required for the user to pull the energy storage device. Simultaneously, it prevents the energy storage device from applying excessive pressure to the lever, improving the safety and reliability of the lever. Attached Figure Description

[0022] To more clearly illustrate the technical solutions of the embodiments of this application, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this application and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 A cross-sectional structural schematic diagram of the tie rod device in this application is shown;

[0024] Figure 2 A cross-sectional view of the tie rod track in this application is shown.

[0025] Figure 3 A schematic diagram of the elastic locking element in this application is shown;

[0026] Figure 4 A schematic diagram of the guide component in this application is shown;

[0027] Figure 5 A schematic diagram of the tie rod assembly and guide component in this application is shown;

[0028] Figure 6 It shows Figure 5 Enlarged structural diagram at point A;

[0029] Figure 7 It shows Figure 5 A magnified structural diagram at point B in the middle.

[0030] Explanation of key component symbols:

[0031] 100 - Pull rod rail; 110 - Sliding cavity; 111 - Opening; 120 - Locking position; 121 - First locking position; 122 - Second locking position; 123 - Third locking position; 130 - Receiving groove;

[0032] 200 - Pull rod assembly; 210 - Pull rod; 211 - First pull rod; 212 - Second pull rod; 220 - First rotating shaft; 230 - Second rotating shaft;

[0033] 300 - Guide component; 310 - Abutment groove; 320 - Fixing part; 330 - Connecting part;

[0034] 400 - Locking assembly; 410 - Resilient locking element; 411 - Resilient part; 412 - Locking part;

[0035] x - First direction; y - Second direction. Detailed Implementation

[0036] The embodiments of this application are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this application, and should not be construed as limiting this application.

[0037] In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0038] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0039] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to 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 according to the specific circumstances.

[0040] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0041] Reference Figure 1 , Figure 2 as well as Figure 5 As shown, the pull rod device involved in the embodiment of this application has a first direction x and a second direction y, the first direction x is perpendicular to the second direction y, and the pull rod device includes: a pull rod rail 100 and a pull rod assembly 200.

[0042] Specifically, the pull rod track 100 is provided with a sliding cavity 110, which extends along the first direction x. One end of the sliding cavity 110 along the first direction x is provided with an opening 111. The pull rod track 100 is used to connect with the energy storage device of the energy storage equipment. The pull rod assembly 200 slides through the opening 111 along the first direction x in the sliding cavity 110. The pull rod assembly 200 includes a plurality of pull rods 210, which are connected sequentially along the first direction x. Any two adjacent pull rods 210 are rotatably connected. In the first direction x, the pull rod 210 that extends out of the sliding cavity 110 through the opening 111 rotates about the second direction y relative to the pull rod 210 located in the sliding cavity 110.

[0043] It should be noted that the first direction x is Figure 1 The direction indicated by x in the middle, and the second direction y is... Figure 2 The direction indicated by y in the middle.

[0044] In the pull rod device of this application, the pull rod device is connected to the energy storage device via the pull rod rail 100. Since the pull rod assembly 200 slides through the sliding cavity 110 along the first direction x through the opening 111, multiple pull rods 210 can slide through the sliding cavity 110 along the first direction x, so that some pull rods 210 can extend out of the sliding cavity 110 through the opening 111. Since the multiple pull rods 210 are connected sequentially along the first direction x, any two adjacent pull rods 210 are rotatably connected. In the first direction x, the pull rod 210 extending out of the sliding cavity 110 through the opening 111 is relative to the position of the pull rod 210 located in the sliding cavity 110. The pull rod 210 inside 10 rotates about the second direction y. Therefore, when any pull rod 210 extends out of the sliding cavity 110 through the opening 111, the pull rod 210 extending out of the sliding cavity 110 can rotate about the second direction y relative to the pull rod track 100. This allows the pull rod 210 extending out of the sliding cavity 110 to rotate about the second direction y relative to the energy storage device. In this way, the weight of the energy storage device can be avoided from being applied to the pull rod 210 extending out of the sliding cavity 110. When the user pulls the energy storage device through the pull rod 210, he / she does not need to exert a lot of force. At the same time, it can avoid the energy storage device from applying too much pressure to the pull rod 210, thus improving the safety and reliability of the pull rod 210.

[0045] Reference Figure 1 As shown, the pull rod device also includes a guide 300, which is connected to the pull rod assembly 200 and disposed in the sliding cavity 110. The guide 300 is slidably connected to the two side walls of the sliding cavity 110 along the second direction y, and the guide 300 slides relative to the sliding cavity 110 along the first direction x.

[0046] In this embodiment, since the guide member 300 is slidably connected to the two side walls of the sliding cavity 110 along the second direction y, and the guide member 300 slides relative to the sliding cavity 110 along the first direction x, the guide member 300 can guide the movement of the pull rod assembly 200, thereby ensuring that the pull rod assembly 200 connected to the guide member 300 can move along the first direction x, thereby improving the smoothness of the extension and retraction of the pull rod 210 of the pull rod assembly 200 relative to the sliding cavity 110.

[0047] Continue to refer to Figure 1 As shown, the pull rod track 100 is provided with a plurality of locking positions 120 spaced apart along the first direction x. The guide member 300 moves along the first direction x and locks with the pull rod track 100 at any locking position 120. When the guide member 300 moves from one locking position 120 to another adjacent locking position 120, any one of the pull rods 210 extends out of the sliding cavity 110 or retracts into the sliding cavity 110.

[0048] In this embodiment, when the guide member 300 moves along the first direction x to any locking position 120, the guide member 300 can be locked with the pull rod rail 100 at that locking position 120. This allows the pull rod assembly 200 to be locked with the pull rod rail 100 at that locking position 120, enabling the pull rod assembly 200 to pull the pull rod rail 100, thus facilitating the movement of the energy storage device and enabling the transport of the energy storage device. Furthermore, when the guide member 300 moves from one locking position 120 to another adjacent locking position 120, since any pull rod 210 extends out of or retracts into the sliding cavity 110, when the guide member 300 moves along the first direction x towards the pull rod with the pull rod assembly 200... When the pull rod 210 moves in the direction of extension and is locked with the pull rod rail 100 at any locking position 120, any one of the pull rods 210 can extend out of the sliding cavity 110, so that the pull rod 210 can rotate about the second direction y relative to the pull rod rail 100. This avoids the weight of the energy storage device being applied to the pull rod 210 extending out of the sliding cavity 110, thus meeting the requirement of labor-saving handling. At the same time, when the guide member 300 moves with the pull rod assembly 200 in the direction of pull rod 210 retraction along the first direction x and is locked with the pull rod rail 100 at any locking position 120, multiple pull rods 210 can be gradually retracted into the sliding cavity 110 along the first direction x, so as to hide the pull rod 210 and reduce the impact of the pull rod 210 on the operation of the energy storage device.

[0049] Reference Figure 2As shown, the locking position 120 includes a first locking position 121 and a second locking position 122. The first locking position 121 is located at the end of the sliding cavity 110 close to the opening 111 along the first direction x, and the second locking position 122 is located at the end of the sliding cavity 110 away from the opening 111 along the first direction x.

[0050] The guide member 300 is rotatably connected to one end of the tie rod assembly 200 along the first direction x;

[0051] The guide member 300 is locked to the pull rod track 100 at the first locking position 121, and each pull rod 210 is located outside the sliding cavity 110, and the pull rod assembly 200 rotates about the second direction y relative to the guide member 300;

[0052] The guide 300 is locked to the pull rod rail 100 at the second locking position 122, and each pull rod 210 is located in the sliding cavity 110.

[0053] In this embodiment, when the guide member 300 slides along the first direction x to the first locking position 121 and locks with the pull rod track 100, each pull rod 210 is located outside the sliding cavity 110. Since the guide member 300 is rotatably connected to one end of the pull rod assembly 200 along the first direction x, the pull rod assembly 200 can rotate relative to the guide member 300 about the second direction y, so that the entire pull rod assembly 200 can rotate relative to the pull rod track 100 about the second direction y. When the guide member 300 slides along the first direction x to the second locking position 122 and locks with the pull rod track 100, each pull rod 210 is located inside the sliding cavity 110, so that the entire pull rod assembly 200 is hidden.

[0054] Continue to refer to Figure 2 As shown, the locking position 120 also includes multiple third locking positions 123, which are located between the first locking position 121 and the second locking position 122, and are arranged along the first direction x. When the guide member 300 is in any of the third locking positions 123 and locked with the pull rod rail 100, a portion of the pull rod 210 in the pull rod assembly 200 extends out of the sliding cavity 110, while another portion of the pull rod 210 in the pull rod assembly 200 is located inside the sliding cavity 110 and extends out of the sliding cavity 110. The pull rod 210 outside the sliding cavity 110 can rotate about the second direction y relative to the pull rod 210 located in the sliding cavity 110. In this way, the length of the pull rod assembly 200 extending out of the sliding cavity 110 can be adjusted by locking the guide member 300 with the pull rod track 100 at the first locking position 121, the second locking position 122 and any one of the third locking positions. At the same time, the pull rod assembly 200 can be locked with the pull rod track 100 at this extension length, so that the pull rod device can meet the needs of using pull rods 210 of different lengths.

[0055] Reference Figure 1 As shown, the pull rod device also includes multiple locking components 400, which are connected to the pull rod rail 100. Each locking position 120 is provided with a locking component 400, and each locking component 400 abuts against the guide member 300.

[0056] In this embodiment, since each locking component 400 abuts against the guide 300, when the guide 300 moves along the first direction x to each locking position 120, the guide 300 and the pull rod rail 100 can be locked by the locking component 400.

[0057] Reference Figure 3 As shown, the locking assembly 400 includes a plurality of elastic locking members 410, which are respectively disposed on both sides of the sliding cavity 110 along the second direction y. Each elastic locking member 410 is at least partially disposed in the sliding cavity 110 and abuts against the guide member 300. The elastic locking member 410 has elastic potential energy along the second direction y.

[0058] In this embodiment, since each elastic locking member 410 is respectively disposed on both sides of the sliding cavity 110 along the second direction y, and each elastic locking member 410 is at least partially disposed within the sliding cavity 110, when the guide member 300 moves along the first direction x to the locking position 120, the guide member 300 can abut against the elastic locking member 410. Since the elastic locking member 410 has elastic potential energy along the second direction y, when the guide member 300 abuts against the elastic locking member 410, the elastic locking members 410 located on both sides of the sliding cavity 110 along the second direction y can apply a compressive force to the guide member 300, so that the guide member 300 is fixed in the sliding cavity 110 along the second direction y. The guide member 300 is locked between the elastic locking members 410 on both sides of the y direction. Furthermore, when the guide member 300 abuts against any of the locking components 400 and the pull rod assembly 200 continues to move along the first direction x, the guide member 300 will tend to move along the first direction x with the pull rod assembly 200. At this time, the guide member 300 will apply a squeezing force to the elastic locking member 410, so that the elastic locking member 410 moves away from the guide member 300 along the second direction y direction. This allows the guide member 300 to disengage from the elastic locking members 410 on both sides of the sliding cavity 110 along the second direction y direction, so that the guide member 300 can continue to move along the first direction x direction.

[0059] Specifically, in this embodiment, the locking assembly 400 includes two elastic locking members 410, which are respectively disposed on both sides of the sliding cavity 110 along the second direction y, and each elastic locking member 410 is at least partially disposed in the sliding cavity 110 and abuts against the guide member 300.

[0060] Continue to refer to Figure 3 As shown, the elastic locking member 410 includes an elastic part 411 and a locking part 412. The pull rod rail 100 is also provided with a receiving groove 130. The receiving groove 130 extends along the second direction y and communicates with the sliding cavity 110. The elastic part 411 is disposed in the receiving groove 130 and has elastic potential energy along the second direction y. The locking part 412 is connected to the end of the elastic part 411 along the second direction y near the sliding cavity 110 and is at least partially disposed in the sliding cavity 110. The locking part 412 abuts against the guide member 300.

[0061] In this embodiment, when the locking part 412 abuts against the guide member 300, the elastic part 411 can apply a thrust along the second direction y toward the guide member to the locking part 412, so that the guide member 300 is fixed between the locking parts 412 on both sides of the sliding cavity 110 along the second direction y. When the guide member 300 moves along the first direction x, the guide member 300 will apply a thrust along the second direction y toward the elastic part 411 to the locking part 412, so that the elastic part 411 is compressed in the receiving groove 130 along the second direction y, and further causes the elastic part 411 to drive the locking part 412 to move along the second direction y toward a direction away from the guide member 300, so that the guide member 300 disengages from the locking parts 412 on both sides of the sliding cavity 110 along the second direction y, so that the guide member 300 can continue to move along the first direction x.

[0062] Specifically, in this embodiment, the elastic part 411 is a spring. In other embodiments, the elastic part 411 may also be an elastic sheet or other structure with elastic potential energy.

[0063] Reference Figure 4 as well as Figure 6 As shown, the guide member 300 has abutment grooves 310 at both ends along the second direction y. At least part of the elastic locking member 410 along the second direction y near the guide member 300 abuts against the groove wall of the abutment groove 310. The shape of the abutment groove 310 is the same as the shape of the elastic locking member 410 along the second direction y near the sliding cavity 110.

[0064] In this embodiment, since at least a portion of the end of the elastic locking member 410 near the guide member 300 along the second direction y abuts against the groove wall of the abutting groove 310, when the elastic locking member 410 abuts against the groove wall of the abutting groove 310, the movement of the guide member 300 in the first direction x can be restricted by the elastic locking member 410, thereby locking the guide member 300. Furthermore, since the shape of the abutting groove 310 is the same as the shape of the end of the elastic locking member 410 near the sliding cavity 110 along the second direction y, the fit between the surface of the elastic locking member 410 and the groove wall of the abutting groove 310 can be improved, thereby improving the stability of the connection relationship between the elastic locking member 410 and the guide member 300.

[0065] Specifically, in this embodiment, the end of the elastic locking member 410 near the guide member 300 along the second direction y is convex spherical, and the abutment groove 310 is concave spherical. The spherical structure can improve the fit between the surface of the elastic locking member 410 and the groove wall of the abutment groove 310, and at the same time facilitate the guide member 300 to disengage from the elastic locking members 410 on both sides of the sliding cavity 110 along the second direction y.

[0066] Continue to refer to Figure 4 as well as Figure 6 As shown, the pull rod assembly 200 also includes a first rotating shaft 220, which extends along the second direction y. The guide member 300 includes a fixing part 320 and a connecting part 330. The fixing part 320 extends along the second direction y, and both ends of the fixing part 320 along the second direction y abut against the locking assembly 400. The connecting part 330 is connected to one end of the fixing part 320 along the first direction x and protrudes from the fixing part 320 along the first direction x. The connecting part 330 and the pull rod assembly 200 are rotatably connected through the first rotating shaft 220.

[0067] In this embodiment, the connecting part 330 can be connected to the pull rod assembly 200 through the first rotating shaft 220, thereby realizing the rotational connection between the pull rod assembly 200 and the guide member 300. At the same time, the guide member 300 and the locking assembly 400 can be abutted by the fixing part 320 and the locking assembly 400, thereby realizing the locking of the guide member 300 and the pull rod track 100, and further realizing the locking of the pull rod assembly 200 and the pull rod track 100.

[0068] Reference Figure 7 As shown, in this embodiment, the pull rod assembly 200 further includes a second rotating shaft 230, which extends along the second direction y. Any two adjacent pull rods 210 are rotatably connected through the second rotating shaft 230, so as to realize the rotatable connection of any two adjacent pull rods 210 through the second rotating shaft 230.

[0069] Specifically, refer to Figures 5 to 7 As shown, in this embodiment, the plurality of pull rods 210 include a first pull rod 211 and a second pull rod 212. The first pull rod 211, the second pull rod 212, and the guide member 300 are sequentially connected along the first direction x, and the second pull rod 212 is disposed between the guide member 300 and the first pull rod 211. The first pull rod 211 and the second pull rod 212 are rotatably connected, and the second pull rod 212 is rotatably connected to the guide member 300. A first locking position is provided between the first locking position 121 and the second locking position 122. In the third locking position 123, when the guide member 300 is locked to the pull rod rail 100 in the second locking position 122, both the first pull rod 211 and the second pull rod 212 are located inside the sliding cavity 110, so that the first pull rod 211 and the second pull rod 212 are hidden through the sliding cavity 110, reducing the impact of the pull rod 210 on the operation of the energy storage device; when the guide member 300 is locked to the pull rod rail 100 in the third locking position 123, the first pull rod 211 extends out of the sliding cavity 110, and the second pull rod 212 extends out of the sliding cavity 110. Rod 212 is located inside sliding cavity 110. At this time, the first pull rod 211 can rotate relative to the second pull rod 212 about the second direction y, so as to realize the rotation of the first pull rod 211 relative to the energy storage device about the second direction y, and avoid the weight of the energy storage device being applied to the first pull rod 211 extending out of sliding cavity 110. When the guide member 300 is locked with the pull rod track 100 at the first locking position 121, both the first pull rod 211 and the second pull rod 212 extend out of sliding cavity 110. At this time, the first pull rod 211 and the second pull rod 212 can rotate about the second direction y, and the second pull rod 212 can also rotate relative to the guide member 300 about the second direction y, so as to realize the rotation of the entire pull rod assembly 200 relative to the energy storage device about the second direction y, and avoid the weight of the energy storage device being applied to the pull rod assembly 200. At the same time, the angle between the first pull rod 211 and the second pull rod 212 can be automatically adjusted according to the user's height and other conditions to meet the usage needs of different users and different scenarios.

[0070] Specifically, in other embodiments, the plurality of pull rods 210 include a third pull rod 210, a fourth pull rod 210, a fifth pull rod 210, etc., and the first pull rod 210, the second pull rod 212, the third pull rod 210, the fourth pull rod 210, the fifth pull rod 210, and the guide member 300 are connected sequentially along the first direction x, and a plurality of third locking positions 123 are provided between the first locking position 121 and the second locking position 122.

[0071] The energy storage device involved in the embodiments of this application includes: the above-mentioned tie rod device.

[0072] In the energy storage device of this application, since the tie rod device of this application can meet the requirements of labor-saving and safe and reliable handling during the handling of the energy storage device, the energy storage device of this application has the advantage of being easy to handle and move.

[0073] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0074] Although embodiments of this application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting this application. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of this application.

Claims

1. A drag link device, characterized by The pull rod device comprises a first direction (x) and a second direction (y), the first direction (x) is perpendicular to the second direction (y), and the pull rod device comprises: A pull rod rail (100) is provided with a sliding cavity (110), the sliding cavity (110) is arranged along the first direction (x), one end of the sliding cavity (110) along the first direction (x) is provided with an opening (111), and the pull rod rail (100) is used for being connected with an energy storage device of an energy storage equipment; A pull rod assembly (200) is slid through the opening (111) along the first direction (x) and arranged in the sliding cavity (110), the pull rod assembly (200) comprises a plurality of pull rods (210), the plurality of pull rods (210) are sequentially connected along the first direction (x), any two adjacent pull rods (210) are rotationally connected, and the pull rod (210) extending out of the sliding cavity (110) through the opening (111) rotates relative to the pull rod (210) located in the sliding cavity (110) around the second direction (y) in the first direction (x).

2. The tie rod assembly of claim 1, wherein, The pull rod device further comprises a guide piece (300), the guide piece (300) is connected with the pull rod assembly (200) and arranged in the sliding cavity (110), the guide piece (300) is slidably connected with two side cavity walls of the sliding cavity (110) along the second direction (y), and the guide piece (300) slides relative to the sliding cavity (110) along the first direction (x).

3. The tie rod assembly of claim 2, wherein, The pull rod rail (100) is provided with a plurality of locking positions (120) arranged at intervals along the first direction (x), the guide piece (300) moves along the first direction (x) and is locked with the pull rod rail (100) at any one of the locking positions (120), when the guide piece (300) moves from one locking position (120) to another adjacent locking position (120), any one of the pull rods (210) extends out of the sliding cavity (110) or is recovered into the sliding cavity (110).

4. The tie rod assembly of claim 3, wherein, The locking position (120) comprises a first locking position (121) and a second locking position (122), the first locking position (121) is arranged at one end of the sliding cavity (110) close to the opening (111) along the first direction (x), and the second locking position (122) is arranged at one end of the sliding cavity (110) away from the opening (111) along the first direction (x); One end of the guide piece (300) and the pull rod assembly (200) is rotationally connected along the first direction (x); The guide piece (300) is locked with the pull rod rail (100) at the first locking position (121), and each pull rod (210) is located outside the sliding cavity (110), and the pull rod assembly (200) rotates relative to the guide piece (300) around the second direction (y); The guide (300) is locked with the pull rod rail (100) at the second locking position (122), and each pull rod (210) is located in the sliding cavity (110).

5. The tie rod assembly of claim 3, wherein, The pull rod device further comprises a plurality of locking assemblies (400) connected with the pull rod rail (100), and each locking position (120) is provided with the locking assembly (400), and each locking assembly (400) is in abutment with the guide (300).

6. The tie rod assembly of claim 5, wherein, The locking assembly (400) comprises a plurality of elastic locking members (410) respectively arranged on both sides of the sliding cavity (110) along the second direction (y), and each elastic locking member (410) is at least partially arranged in the sliding cavity (110) and in abutment with the guide (300), and the elastic locking member (410) has elastic potential energy along the second direction (y).

7. The tie rod assembly of claim 6, wherein, The elastic locking member (410) comprises an elastic part (411) and a locking part (412), and the pull rod rail (100) is further provided with a receiving groove (130), and each locking position (120) is provided with the receiving groove (130), the receiving groove (130) is arranged along the second direction (y) and communicates with the sliding cavity (110), the elastic part (411) is arranged in the receiving groove (130) and has elastic potential energy along the second direction (y), and the locking part (412) is connected to one end of the elastic part (411) close to the sliding cavity (110) along the second direction (y) and is at least partially arranged in the sliding cavity (110), and the locking part (412) is in abutment with the guide (300).

8. The tie rod assembly of claim 6, wherein, Both ends of the guide (300) along the second direction (y) are provided with abutting grooves (310), at least part of one end of the elastic locking member (410) close to the guide (300) along the second direction (y) is in abutment with the groove wall of the abutting groove (310), and the shape of the abutting groove (310) is the same as that of one end of the elastic locking member (410) close to the sliding cavity (110) along the second direction (y).

9. The tie rod assembly of claim 5, wherein, The pull rod assembly (200) further comprises a first rotating shaft (220) arranged along the second direction (y), the guide (300) comprises a fixed part (320) and a connecting part (330), the fixed part (320) is arranged along the second direction (y), and both ends of the fixed part (320) along the second direction (y) are in abutment with the locking assembly (400), the connecting part (330) is connected to one end of the fixed part (320) along the first direction (x) and protrudes from the fixed part (320) along the first direction (x), and the connecting part (330) is rotatably connected with the pull rod assembly (200) through the first rotating shaft (220).

10. An energy storage device, characterized by, Comprise: A drag link arrangement as claimed in any one of claims 1 to 9.

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