Limiting device and battery transportation frame

Abstract

The utility model provides a limiting device and a battery transport shelf, the limiting device comprises a limiting seat provided with a connecting hole, and the connecting hole is provided with a clamping plate; the limiting rod is provided with a clamping groove and a limiting piece, the limiting rod is used for being connected into an assembly hole of the battery in a penetrating mode, the clamping groove is used for being connected with the clamping plate in a clamping mode, and the limiting piece is used for abutting against the battery to provide limiting in the vertical direction. A limiting seat of the limiting device is mounted on a battery transportation frame, and a limiting rod can be detachably connected with the limiting seat in a clamping connection manner. The limiting rod is connected in the assembly hole of the battery in a penetrating mode, the limiting piece abuts against the battery, and therefore the battery can be limited in the vertical direction and can also be limited in the horizontal direction. According to the limiting device, travel space does not need to be reserved, the size of the battery transportation frame in the vertical direction can be reduced, the battery protection level is improved, the battery loading rate is increased, and the packaging input cost and the transportation cost are reduced.

Description

Technical Field

[0001] The present application relates to the field of battery technology, and in particular to a limiting device and a battery transport rack. Background Art

[0002] With the development of new energy technology, batteries are used more and more widely, such as in mobile phones, laptops, electric vehicles, electric cars, electric airplanes, electric ships, electric toy cars, electric toy ships, electric airplanes and electric tools.

[0003] Batteries are usually packed in transport racks during transportation, which have vertical limit requirements and need to prevent the batteries from jumping. The related technology usually uses a pressure plate and a spring structure to limit the position, relying on the spring force to press the battery down. However, the transport rack needs to reserve travel space for the spring and the pressure plate, and is large in size, which is limited when used in a limited space. Utility Model Content

[0004] In view of the above problems, the present application provides a limiting device and a battery transport rack, wherein the limiting device can reduce the packaging volume of the battery and increase the loading rate of the battery in a limited space.

[0005] In a first aspect, some embodiments of the present application provide a limiting device, which includes a limiting seat, which is provided with a connecting hole, and a clamping plate on the connecting hole; a limiting rod, which is provided with a clamping slot and a limiting member, the limiting rod is used to be inserted into the assembly hole of the battery, the clamping slot is used to be clamped and connected with the clamping plate, and the limiting member is used to abut the battery to provide vertical limitation.

[0006] In the technical solution of the above embodiment, the limit device includes a limit seat and a limit rod, the limit seat is installed on the battery transport rack, and the limit rod can be detachably connected to the limit seat by a snap connection. The limit rod is inserted into the assembly hole of the battery, and the limit member abuts against the battery, which can not only provide vertical limit for the battery, but also provide horizontal limit for the battery, thereby improving the battery protection level. In addition, there is no need to reserve travel space in the vertical direction, which can reduce the height of the battery transport rack, making it suitable for narrow and limited spaces, and increasing the battery loading rate in a limited space, thereby reducing the packaging investment cost and transportation cost.

[0007] According to the limiting device provided in some embodiments of the present application, the limiting rod includes a clamping section, a penetration section and a limiting section, the penetration section is located between the clamping section and the limiting section; the clamping slot is located in the clamping section, the clamping slot includes a first notch and a second notch that are successively and interconnectedly distributed from the free end of the limiting rod to the penetration section, the first notch is used to avoid the clamping plate so that the clamping section passes through the connecting hole; in the circumferential direction of the limiting rod, the corresponding angles at both ends of the second notch are greater than the corresponding angles at both ends of the first notch, and the second notch is used to cooperate with the clamping plate to clamp the clamping section. The clamping connection between the limiting rod and the limiting seat is achieved by twisting, which can improve the reliability of the clamping connection and facilitate operation.

[0008] According to the limiting device provided in some embodiments of the present application, the limiting member is located on the limiting section and is used to abut the battery to provide vertical limitation, which can prevent the battery from jumping during bumps and shaking and avoid damage to the battery.

[0009] According to the limiting device provided in some embodiments of the present application, the clamping plate is fan-shaped and has a first central angle; the first notch is fan-shaped and has a second central angle; the second notch is fan-shaped and has a third central angle; the first central angle is not greater than the second central angle, and the second central angle is less than the third central angle. The fan-shaped setting facilitates the control of the angle, which can improve reliability and processing convenience.

[0010] According to the limiting device provided in some embodiments of the present application, the third central angle is 90° larger than the second central angle, which can improve the reliability of the snap-on connection.

[0011] According to the limiting device provided in some embodiments of the present application, the first central angle is 90°, the second central angle is 120°, and the third central angle is 210°, which can improve the connection strength during the snap connection and ensure that the twisting action is in place during the snap connection.

[0012] According to the limiting device provided in some embodiments of the present application, on the circumference of the limiting rod, one end of the second notch is an insertion end and the other end is a clamping end; the insertion end of the second notch coincides with one end of the first notch, which is convenient for workers to operate.

[0013] According to the limiting device provided in some embodiments of the present application, along the axial direction of the limiting rod, the distance between the upper end surface and the lower end surface of the second notch is greater than the thickness of the clamping plate in the axial direction of the connecting hole, which can improve the smoothness of twisting the limiting rod.

[0014] According to the limiting device provided in some embodiments of the present application, a gasket is provided on the limiting section. There are multiple gaskets, which abut the limiting member at the end face of the limiting member facing away from the battery and are used to adjust the position of the limiting member on the limiting section. This can adapt to the limiting requirements of batteries of various specifications and improve universality.

[0015] According to the limiting device provided in some embodiments of the present application, along the axis direction of the limiting rod, the upper end surface of the second notch is an inclined surface, and gradually tilts downward from the insertion end to the clamping end, and is used to abut against the upper end surface of the connecting hole; and / or the lower end surface of the second notch is an inclined surface, and gradually tilts upward from the insertion end to the clamping end, and is used to abut against the lower end surface of the connecting hole. Setting the upper end surface and / or the lower end surface of the second notch as an inclined surface not only facilitates the twisting of the limiting rod, but also enables the limiting rod to have a self-locking function.

[0016] According to the limiting device provided in some embodiments of the present application, the limiting section is provided with a handle and an elastic rope; the handle abuts against the end surface of the limiting member away from the battery, and a through hole is provided on the handle; one end of the elastic rope is connected to the through hole, and the other end is used to connect to the battery transport rack to provide elastic force to constrain the limiting rod. The elastic rope can not only provide constraints for the limiting rod, but also connect the limiting rod to the battery transport rack.

[0017] According to the limiting device provided in some embodiments of the present application, a sleeve is sleeved on the outer side of the circumference of the connecting section, and the outer diameter of the sleeve is smaller than the inner diameter of the assembly hole; the outer diameter of the limiting member is larger than the inner diameter of the assembly hole; the sleeve is made of nylon, and the limiting member is made of rubber. The sleeve made of nylon can avoid damaging the assembly hole and play a lubricating role for the assembly hole; the limiting member made of rubber can limit the position and also play a buffering role.

[0018] According to the limiting device provided in some embodiments of the present application, a constraint hole is provided on the limiting seat, which is used to provide constraint and guidance for the limiting rod, thereby improving the reliability of the snap-on connection; the axis of the constraint hole coincides with the axis of the connecting hole; the diameter of the constraint hole is not less than the diameter of the connecting hole, and will not hinder the limiting rod from being inserted into the connecting hole.

[0019] According to the limiting device provided in some embodiments of the present application, a recovery hole is provided on the limiting seat, and the recovery hole is used to accommodate the limiting rod; the diameter of the recovery hole is larger than the outer diameter of the limiting rod; the axis of the recovery hole is perpendicular to the axis of the connecting hole, which can provide a storage position for the limiting rod and reduce the space occupied in the vertical direction when storing the limiting rod.

[0020] According to the limiting device provided in some embodiments of the present application, the limiting seat includes a seat body, a thickened plate and a round tube; the seat body is a square tube, which includes a first wall, a second wall, a third wall and a fourth wall in sequence; the thickened plate is attached to the first wall, and the round tube is installed in the square tube; the connecting hole passes through the first wall and the thickened plate; the recovery hole passes through the second wall and the fourth wall; the inside of the round tube is a constraint hole, which is convenient for material acquisition and has low processing cost.

[0021] On the second aspect, some embodiments of the present application provide a battery transport rack, which includes a frame and a limiting device; the limiting device is installed in pairs on the frame to provide vertical limiting on both sides of the battery, which can improve the protection level of the battery during transportation.

[0022] According to the battery transport rack provided in some embodiments of the present application, a horizontal limit block is provided on the rack body, and the horizontal limit block is used to provide horizontal limit on both sides of the battery, which can improve the protection level.

[0023] According to the battery transport rack provided in some embodiments of the present application, a pad is provided on the rack body, and the pad is used to support the battery; the height of the top surface of the limit seat is lower than the height of the top surface of the pad, which can avoid interference between the limit seat and the battery.

[0024] According to the battery transport rack provided in some embodiments of the present application, a first load-bearing groove is provided at the bottom of the frame, and the first load-bearing groove is used to provide a position for supporting the frame; there are multiple pads, and a second load-bearing groove is provided between adjacent pads, and the second load-bearing groove is used to provide a position for supporting the battery, which can facilitate the transportation of the battery and the battery transport rack.

[0025] The technical solution provided by the embodiments of the present disclosure brings at least the following beneficial effects:

[0026] Some embodiments of the present application provide a limit device and a battery transport rack, wherein the limit device includes a limit seat and a limit rod, wherein the limit seat is mounted on the battery transport rack, and the limit rod can be detachably connected to the limit seat by a snap connection. The limit rod is inserted into the assembly hole of the battery, and the limit member abuts against the battery, which can not only provide vertical limit for the battery, but also provide horizontal limit for the battery. The limit device does not require reserved travel space, can reduce the vertical size of the battery transport rack, improve the battery protection level, increase the battery loading rate, and reduce the packaging investment cost and transportation cost.

[0027] The above description is only an overview of the technical solution of the present application. In order to more clearly understand the technical means of the present application, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are listed below. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] By reading the detailed description of the preferred embodiment below, various other advantages and benefits will become clear to those of ordinary skill in the art. The accompanying drawings are only used for the purpose of illustrating the preferred embodiment and are not considered to be limitations of the present application. In addition, the same reference symbols are used to represent the same components throughout the accompanying drawings.

[0029] Figure 1 Schematic diagram of the limiting device provided in some embodiments of the present application Figure 1 ;

[0030] Figure 2 Schematic diagram of the limiting device provided in some embodiments of the present application Figure 2 ;

[0031] Figure 3 Schematic diagram of the limiting device provided in some embodiments of the present application Figure 3 ;

[0032] Figure 4 Schematic diagram of the limiting device provided in other embodiments of the present application Figure 1 ;

[0033] Figure 5 Schematic diagram of the limiting device provided in other embodiments of the present application Figure 2 ;

[0034] Figure 6 Schematic diagram of the limiting device provided in other embodiments of the present application Figure 3 ;

[0035] Figure 7 A schematic diagram of the structure of a limit seat provided in some embodiments of the present application;

[0036] Figure 8 For this application Figure 7 A cross-sectional view of the middle limit seat;

[0037] Fig. 9 A schematic diagram of the structure of a limit rod provided in some embodiments of the present application;

[0038] Fig.10 For this application Fig. 9 A front view of the middle limit rod;

[0039] Fig.11 For this application Fig.10 Sectional view at AA;

[0040] Fig.12 For this application Fig.10 Cross-sectional view at BB;

[0041] Fig.13 A schematic diagram of the structure of a limit rod provided in some other embodiments of the present application;

[0042] Fig.14 A schematic diagram of a limiting device provided in some further embodiments of the present application;

[0043] Fig.15 A schematic diagram of the use status of the limiting device provided in some embodiments of the present application;

[0044] Fig.16 A schematic diagram of a storage state of a limit device provided in some embodiments of the present application;

[0045] Fig.17 Schematic diagram of a battery transport rack provided for some embodiments of the present application.

[0046] In the attached picture:

[0047] 1-limiting seat; 11-connecting hole; 111-card plate; 12-constraint hole; 13-recovery hole; 14-seat body; 141-first wall; 142-second wall; 143-third wall; 144-fourth wall; 15-thickening plate; 16-round tube;

[0048] 2-limiting rod; 21-slot; 211-first notch; 212-second notch; 2121-insertion end; 2122-clamping end; 22-limiting member; 23-clamping section; 24-threading section; 25-limiting section; 251-handle; 252-elastic rope;

[0049] 3-frame; 31-horizontal limit block; 32-cushion block; 33-first load-bearing groove; 34-second load-bearing groove. DETAILED DESCRIPTION

[0050] The following embodiments of the technical solution of the present application are described in detail in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present application, and are therefore only used as examples, and cannot be used to limit the scope of protection of the present application.

[0051] It should be noted that, unless otherwise specified, the technical terms or scientific terms used in the embodiments of the present application should have the common meanings understood by technicians in the field to which the embodiments of the present application belong.

[0052] In the description of the embodiments of the present application, the orientations or positional relationships indicated by technical terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", and "circumferential" are based on the orientations or positional relationships shown in the accompanying drawings and are only for the convenience of describing the embodiments of the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the embodiments of the present application.

[0053] In addition, the technical terms "first", "second", etc. are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. In the description of the embodiments of the present application, the meaning of "multiple" is more than two, unless otherwise clearly and specifically defined.

[0054] In the description of the embodiments of the present application, unless otherwise clearly specified and limited, technical terms such as "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0055] In the description of the embodiments of the present application, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0056] Batteries (such as electric vehicle power batteries) are generally packaged in transport racks during transportation. In order to prevent the batteries from jumping in the vertical direction, there is a need for vertical limitation, and the batteries need to be limited in the vertical direction. At present, the relevant technology usually uses a pressure plate and a spring structure to limit the position. When in use, one or more springs are connected to the pressure plate, and the pressure plate is located between the spring and the battery. The spring is compressed, thereby providing thrust, so that the pressure plate presses the battery to prevent the battery from being displaced in the vertical direction. However, when using springs and pressure plates for limiting, the transport rack needs to reserve travel space for the springs and pressure plates, which directly causes the vertical height of the transport rack to increase, the transport rack is large in size, and cannot be used in a limited space, or the loading quantity is reduced.

[0057] In view of this, the present application provides a limiting device and a battery transport rack.

[0058] Please refer to Figures 1 to 6 , Figure 1 Schematic diagram of the limiting device provided in some embodiments of the present application Figure 1 ; Figure 2 Schematic diagram of the limiting device provided in some embodiments of the present application Figure 2 ; Figure 3 Schematic diagram of the limiting device provided in some embodiments of the present application Figure 3 ; Figure 4 Schematic diagram of the limiting device provided in other embodiments of the present application Figure 1 ; Figure 5 Schematic diagram of the limiting device provided in other embodiments of the present application Figure 2 ; Figure 6 Schematic diagram of the limiting device provided in other embodiments of the present application Figure 3 .

[0059] On the first aspect, some embodiments of the present application provide a limiting device, which includes a limiting seat 1 and a limiting rod 2; the limiting seat 1 is provided with a connecting hole 11, and the connecting hole 11 is provided with a clamping plate 111; the limiting rod 2 is provided with a clamping groove 21 and a limiting member 22, the limiting rod 2 is used to be inserted into the assembly hole of the battery, the clamping groove 21 is used to be clamped and connected with the clamping plate 111, and the limiting member 22 is used to abut the battery to provide vertical limitation.

[0060] The limit seat 1 can provide an installation base for the limit rod 2, so that the limit rod 2 can be installed (snap-connected) on the limit seat 1. The limit seat 1 can be installed on the battery transport rack by welding, or by fastening with fasteners (for example, fixing the limit seat 1 by bolts and nuts). The limit seat 1 can be in the shape of a rectangular parallelepiped, a cylindrical shape, a prism shape, etc. The limit rod 2 can be a round rod, a long rod, or a rod with a polygonal cross section. The portion where the limit rod 2 passes through the assembly hole has an outer peripheral surface contour that is smaller than the aperture of the assembly hole.

[0061] The connection hole 11 of the limit seat 1 can be a circular hole, a rectangular hole, or a polygonal hole, and the hole shape matches the cross section of the limit rod 2. The clamping plate 111 is located in the connection hole 11, protruding on the circumferential surface of the connection hole 11, and the clamping plate 111 can be fan-shaped, triangular, rectangular, or trapezoidal. The clamping groove 21 cooperates with the clamping plate 111 to clamp the limit rod 2 on the limit seat 1.

[0062] When the clamping plate 111 is arranged in the connection hole 11 , the clamping plate 111 may be arranged within the entire length of the connection hole 11 along the axial direction of the connection hole 11 , or may be arranged at any section of the length of the connection hole 11 .

[0063] When the limiting seat 1 is connected to the limiting rod 2 by snapping, there may be various snapping forms.

[0064] For example, Figures 4 to 6 As shown, a clamping plate 111 is provided in the connection hole 11, and a clamping slot 21 is provided on the limit rod 2, and the clamping connection is realized by the clamping slot 21 and the limit rod 2. When in use, first, as Figure 4 As shown, align the card slot 21 and the card plate 111; then, as shown Figure 5 As shown, the limit rod 2 can be placed at an angle so that the card plate 111 is inserted into the card slot 21, and finally, as shown in FIG. Figure 6As shown, the limit rod 2 is placed vertically and inserted into the assembly hole of the battery. The assembly hole of the battery can achieve the limit rod 2 not tilting in the radial direction, and the clamping plate 111 can prevent the limit rod 2 from moving in the axial direction of the limit rod 2, thereby achieving the clamping connection between the limit rod 2 and the limit seat 1. The limit rod 2 is installed in the limit member 22, and the limit member 22 can be used to abut the battery (for example, the limit member 22 abuts the upper end surface of the battery), thereby achieving the battery limit.

[0065] For example, Figures 1 to 3 As shown, a clamping plate 111 is provided in the connecting hole 11, a clamping groove 21 is provided on the limiting rod 2, the connecting hole 11 is a round hole, and the limiting rod 2 is a round rod. Figure 1 As shown, align the card slot 21 and the card plate 111; then, as shown Figure 2 As shown, the limit rod 2 is inserted into the connecting hole 11; finally, as shown Figure 3 As shown, the limiting rod 2 is twisted along its own axis to achieve the clamping connection between the limiting rod 2 and the limiting seat 1. The limiting rod 2 abuts against the battery through the limiting member 22, thereby achieving the limitation of the battery.

[0066] In the technical solution of the above embodiment, the limiting device includes a limiting seat 1 and a limiting rod 2. The limiting seat 1 is installed on the battery transport rack. The limiting rod 2 can be detachably connected to the limiting seat 1 in the form of a snap connection, which is easy to operate and recyclable. The limiting rod 2 is inserted into the assembly hole of the battery, and the limiting member 22 abuts against the battery, which can not only provide vertical limitation for the battery, but also provide horizontal limitation for the battery, preventing the battery from moving in the radial direction of the assembly hole, thereby improving the battery protection level. In addition, the limiting device relies on the limiting member 22 to abut the battery for limitation. There is no need to reserve travel space in the vertical direction, which can reduce the height of the battery transport rack, is suitable for narrow and limited spaces, and increases the battery loading rate in a limited space, thereby reducing the packaging investment cost and transportation cost.

[0067] Please refer to Figures 9 to 14 , Fig. 9 A schematic diagram of the structure of a limit rod provided in some embodiments of the present application; Fig.10 For this application Fig. 9 A front view of the middle limit rod; Fig.11 For this application Fig.10 Sectional view at AA; Fig.12 For this application Fig.10 Cross-sectional view at BB; Fig.13 A schematic diagram of the structure of a limit rod provided in some other embodiments of the present application; Fig.14 Schematic diagram of a limiting device provided in some further embodiments of the present application.

[0068] In some embodiments of the present application, Figures 9 to 12As shown, the limiting rod 2 includes a clamping section 23 (with a length of L1), a penetration section 24 (with a length of L2) and a limiting section 25 (with a length of L3), and the penetration section 24 is located between the clamping section 23 and the limiting section 25; the clamping groove 21 is located in the clamping section 23, and the clamping groove 21 includes a first notch 211 and a second notch 212 that are successively and interconnectedly distributed from the free end of the limiting rod 2 to the penetration section 24; in the circumferential direction of the limiting rod 2, the angle (R2) corresponding to the two ends of the second notch 212 is greater than the angle (R1) corresponding to the two ends of the first notch 211.

[0069] The limiting rod 2 includes a clamping section 23, a penetration section 24 and a limiting section 25 in sequence along the axial direction. The clamping end 2122 is the part of the limiting rod 2 used to be clamped and connected with the limiting seat 1, the penetration section 24 is the part of the limiting rod 2 that penetrates into the battery assembly hole, and the limiting section 25 is the part that abuts the battery.

[0070] The angle corresponding to the two ends of the first notch 211 refers to the angle formed by the two connecting lines on the plane perpendicular to the axis of the limiting rod 2, where the two ends of the first notch 211 are respectively connected to the axis; the angle corresponding to the two ends of the second notch 212 refers to the angle formed by the two connecting lines on the plane perpendicular to the axis of the limiting rod 2, where the two ends of the second notch 212 are respectively connected to the axis.

[0071] A card slot 21 is set on the limiting section 25 of the limiting rod 2. From the free end to the connecting section 24, the card slot 21 is sequentially a first notch 211 and a second notch 212. The first notch 211 is connected to the second notch 212. The outer contour of the first notch 211 matches the clamping plate 111, so as to avoid the clamping plate 111 and allow the clamping section 23 to pass through the connecting hole 11 until it abuts against the limiting seat 1. The limiting rod 2 is twisted around the axis of the limiting rod 2 until the wall of the second notch 212 abuts against the clamping plate 111, so that the clamping connection between the clamping plate 111 and the card slot 21 can be achieved.

[0072] Exemplarily, along the axis direction of the connecting hole 11, a clamping plate 111 can be arranged within the entire length of the connecting hole 11. The limiting seat 1 can include a receiving space, which is communicated with the connecting hole 11. The receiving space can receive a portion of the limiting rod 2 that passes through the connecting hole 11.

[0073] In the technical solution of the above embodiment, the limit rod 2 includes a clamping section 23, a penetration section 24 and a limit section 25. The clamping section 23 clamps the limit seat 1, the penetration section 24 inserts the assembly hole of the battery, and the limit section 25 abuts the battery. Each section has a clear division of labor and a single function, which can improve the structural strength of the limit rod 2. The clamping slot 21 is located in the clamping section 23, including a first notch 211 and a second notch 212. The clamping connection between the limit rod 2 and the limit seat 1 is achieved by twisting. The operation is convenient, and the length of the first notch 211 in the axial direction of the limit rod 2 can be unlimited, and the thickness of the clamping plate 111 in the axial direction of the connecting hole 11 can be unlimited, thereby improving the reliability of the clamping connection, delaying the use loss of the clamping slot 21 and the clamping plate 111 (such as deformation of the clamping plate 111, wear of the clamping slot 21, etc.), and improving the service life.

[0074] In some embodiments of the present application, Fig.10 As shown, the limiting member 22 is located on the limiting section 25 and can abut against the battery to provide vertical limiting.

[0075] The limiting member 22 is mounted on the limiting section 25, and can be fixedly connected to the limiting section 25 (for example, by bonding), or detachably connected to the limiting section 25 (for example, by bolting). On a plane perpendicular to the axis of the limiting section 25, the outer contour of the projection of the limiting section 25 is located within the contour of the projection of the battery assembly hole, and the contour of the projection of the battery assembly hole is located within the outer contour of the projection of the limiting member 22, so that the limiting member 22 can abut the battery to provide vertical limitation.

[0076] In the technical solution of the above embodiment, the limiting member 22 is used to abut the battery, which can limit the displacement of the battery in the vertical direction, prevent the battery from jumping when bumping or shaking, and avoid battery damage.

[0077] Please refer to Figure 7 and Figure 8 , Figure 7 A schematic diagram of the structure of a limit seat provided in some embodiments of the present application; Figure 8 For this application Figure 8 Cross-sectional view of the middle limit seat.

[0078] In some embodiments of the present application, Figure 7 , Fig.11 and Fig.12 As shown, the clamping plate 111 is fan-shaped and has a first central angle; the first notch 211 is fan-shaped and has a second central angle (R1); the second notch 212 is fan-shaped and has a third central angle (R2); the first central angle is not greater than the second central angle, and the second central angle is less than the third central angle.

[0079] The angle of the first central angle may be smaller than the angle of the second central angle, or may be equal to the angle of the second central angle. The ratio of the second central angle to the third central angle may be 1:5, 1:4, 1:3, 1:2, 2:3, 3:4, 4:5, 5:6, 6:7, 7:8, 8:9, 9:10, or any intermediate value between any two adjacent values, such as 4:7.

[0080] One side surface of the first notch 211 may overlap with one side surface of the second notch 212 , or two side surfaces of the first notch 211 and two side surfaces of the second notch 212 may not overlap.

[0081] In the technical solution of the above embodiment, the clamping plate 111, the first notch 211, and the second notch 212 are all fan-shaped, and the first central angle is not greater than the second central angle, and the second central angle is less than the third central angle. First, the fan-shaped setting is convenient for controlling the angle; second, when the clamping connection is made, the clamping plate 111 can extend toward the axis of the limit rod 2, thereby improving the reliability of the clamping; finally, the shape is simple and easy to process (for example, the first notch 211, the second notch 212, and the connecting hole 11 can be processed by milling).

[0082] In some embodiments of the present application, Fig.11 and Fig.12 As shown, the third center angle (R2) is 90° greater than the second center angle (R1).

[0083] The angle of the first central angle can be 30°, 40°, 50°, 60°, 70°, 80°, 90°, 100°, 110°, 120°, or any intermediate value between any two adjacent values ​​mentioned above; the angle of the second central angle can be 0°, 10°, 20°, 30°, 40°, 50°, 60°, 70°, 80°, 90°, 100°, 110°, 120° greater than the first central angle, or any intermediate value between any two adjacent values ​​mentioned above.

[0084] In the technical solution of the above embodiment, the angle of the third central angle is 90° greater than that of the second central angle. When the limiting rod 2 is engaged with the clamping plate 111, the clamping area between the limiting rod 2 and the clamping plate 111 can be increased, thereby improving the reliability of the clamping connection.

[0085] In some embodiments of the present application, Fig.11 and Fig.12 As shown, in the circumferential direction of the limiting rod 2 , one end of the second notch 212 is a penetration end 2121 and the other end is a clamping end 2122 ; the penetration end 2121 of the second notch 212 overlaps with one end of the first notch 211 .

[0086] The limiting rod 2 is inserted into the connecting hole 11 . When the limiting rod 2 abuts against the clamping plate 111 in the axial direction, it is twisted around the axis of the limiting rod 2 until the clamping end 2122 abuts against the side wall of the clamping plate 111 , thereby realizing the clamping connection between the clamping plate 111 and the clamping slot 21 .

[0087] In the technical solution of the above embodiment, the insertion end 2121 of the second notch 212 coincides with one end of the first notch 211, which is convenient for finding the reference when the limit rod 2 penetrates the connecting hole 11, and for confirming the twisting direction, thereby facilitating the operation of the workers and ensuring that the action is in place.

[0088] In some embodiments of the present application, Fig.11 and Fig.12 As shown, the first center angle is 90°, the second center angle is 120°, and the third center angle is 210°.

[0089] Exemplarily, the insertion end 2121 of the first notch 211 overlaps with one end of the second notch 212. The rounded transition between the clamping plate 111 and the connecting hole 11 at each corner (where the two side surfaces of the clamping plate 111 meet, where the two side surfaces of the clamping plate 111 meet the side wall of the connecting hole 11) not only improves the structural strength and avoids stress concentration, but also facilitates processing.

[0090] In the technical solution of the above embodiment, the first central angle is 90°, and the coverage area accounts for one quarter of the connection hole 11, which can improve the structural strength of the clamping plate 111. The angle of the second central angle is greater than that of the first central angle, and a margin can be left to facilitate the insertion of the clamping section 23 into the connection hole 11. The third central angle is 90° greater than the second central angle, and when the insertion end 2121 of the first notch 211 coincides with one end of the second notch 212, the entire clamping plate 111 can play a clamping role, improve the connection strength between the clamping plate 111 and the limit rod 2, and use it smoothly without jamming.

[0091] Please refer to Fig.13 and Fig.14 , Fig.13 A schematic diagram of the structure of a limit rod provided in some other embodiments of the present application; Fig.14 Schematic diagram of a limiting device provided in some further embodiments of the present application.

[0092] In some embodiments of the present application, Figure 3 and Fig.13 As shown, along the axial direction of the limiting rod 2 , the distance between the upper end surface and the lower end surface of the second notch 212 is greater than the thickness of the clamping plate 111 in the axial direction of the connecting hole 11 .

[0093] The width of the second notch 212 is greater than the thickness of the clamping plate 111. Exemplarily, the second notch 212 and the clamping plate 111 may be designed as a transition fit, or the second notch 212 and the clamping plate 111 may be designed as a clearance fit.

[0094] In the technical solution of the above embodiment, the width of the second notch 212 is greater than the thickness of the clamping plate 111, which can improve the smoothness of twisting the limit rod 2 and facilitate the operation of workers. The axial movement of the limit rod 2 caused by the difference between the two can be ignored, and can also be offset by the deformation of the limit member 22, which has no effect on the limit effect.

[0095] In some embodiments of the present application, a gasket is provided on the limiting section 25 . There are multiple gaskets, which abut against the limiting member 22 at the end surface of the limiting member 22 facing away from the battery, so as to adjust the position of the limiting member 22 on the limiting section 25 .

[0096] Exemplarily, the gasket may be a retaining spring, which is detachably connected to the limiting section 25 , and the position of the limiting member 22 may be adjusted by adjusting the number of gaskets installed.

[0097] In the technical solution of the above embodiment, the limit member 22 can be limited by adjusting the number of gaskets and the position of the limit member 22 on the limit section 25, so that the limit position of the battery can be adjusted to adapt to the limit requirements of batteries of various specifications and improve universality.

[0098] In some embodiments of the present application, Fig.13 As shown, along the axial direction of the limiting rod 2, the upper end surface of the second notch 212 is an inclined surface, and gradually tilts downward from the insertion end 2121 to the clamping end 2122, and is used to abut against the upper end surface of the connecting hole 11; and / or the lower end surface of the second notch 212 is an inclined surface, and gradually tilts upward from the insertion end 2121 to the clamping end 2122, and is used to abut against the lower end surface of the connecting hole 11.

[0099] Along the axial direction of the limiting rod 2, the upper end surface of the second notch 212 can be set as an inclined surface that gradually inclines downward from the insertion end 2121 to the clamping end 2122, the lower end surface of the second notch 212 can be set as an inclined surface that gradually inclines upward from the insertion end 2121 to the clamping end 2122, and the upper end surface and the lower end surface of the second notch 212 can also be set as the above-mentioned inclined surfaces at the same time.

[0100] In the technical solution of the above embodiment, the upper end face and / or lower end face of the second notch 212 is set as an inclined surface, which not only facilitates the twisting of the limit rod 2, but also allows the limit rod 2 to have a self-locking function, relying on the upper end face and lower end face of the second notch 212 to clamp the upper end face and lower end face of the clamping plate 111 to prevent the limit rod 2 from rotating during non-manual operation.

[0101] In some embodiments of the present application, Fig.14 As shown, the limiting section 25 is provided with a handle 251 and an elastic rope 252; the handle 251 abuts against the end surface of the limiting member 22 facing away from the battery, and a through hole is provided on the handle 251; one end of the elastic rope 252 is connected to the through hole, and the other end is used to connect to the battery transport rack to provide elastic force to constrain the limiting rod 2.

[0102] One end of the elastic rope 252 is connected to the handle 251, and the other end is connected to the battery transport rack. The elastic rope 252 has elastic force. When the limit rod 2 is connected to the limit seat 1 by clamping, the elastic rope 252 is in an elastic extension state. The contraction force of the elastic rope 252 causes the clamping end 2122 of the second notch 212 to always abut against the clamping plate 111, providing elastic constraint to the limit rod 2.

[0103] Exemplarily, the elastic rope 252 may be a rubber band or a tension spring.

[0104] In the technical solution of the above embodiment, the battery transport rack and the limit rod 2 are connected by an elastic rope 252, which can not only provide constraints for the limit rod 2 and improve the reliability of the snap-on connection, but also connect the limit rod 2 to the battery transport rack to avoid the loss of the limit rod 2.

[0105] Please refer to Fig.15 and Fig.16 , Fig.15 A schematic diagram of the use status of the limiting device provided in some embodiments of the present application; Fig.16 A schematic diagram of the storage state of the limiting device provided in some embodiments of the present application.

[0106] In some embodiments of the present application, Fig.15 As shown, a sleeve is sleeved on the outer side of the circumference of the connecting section 24, and the outer diameter of the sleeve is smaller than the inner diameter of the assembly hole; the outer diameter of the limiting member 22 is larger than the inner diameter of the assembly hole; the sleeve is made of nylon, and the limiting member 22 is made of rubber.

[0107] For example, the sleeve and the assembly hole may be clearance fit or transition fit. The stopper 22 may be made of natural rubber or EPDM rubber.

[0108] In the technical solution of the above embodiment, the outer diameter of the sleeve is smaller than the inner diameter of the assembly hole, so that the connecting rod can easily pass through the assembly hole of the battery, which is convenient for operation; the outer diameter of the limiter 22 is larger than the inner diameter of the assembly hole, so that the battery can be clamped on the end face of the assembly hole to provide a limit function. The sleeve made of nylon can not only avoid damage to the assembly hole, but also play a lubricating role for the assembly hole. The limiter 22 made of rubber can not only limit the position, but also play a buffering role.

[0109] In some embodiments of the present application, Figure 8As shown, a constraint hole 12 is provided on the limit seat 1 for providing constraint and guidance for the limit rod 2; the axis of the constraint hole 12 coincides with the axis of the connecting hole 11; and the diameter of the constraint hole 12 is not less than the diameter of the connecting hole 11.

[0110] When the limit seat 1 accommodates part of the length of the clamping section 23 through the accommodating space, if the length of the connecting hole 11 along its own axial direction is small, it is easy to cause unstable clamping of the connecting rod. A round tube 16 can be set in the accommodating space, and the axis of the round tube 16 is made to coincide with the axis of the connecting hole 11, and the constraint hole 12 is inside the round tube 16.

[0111] In the technical solution of the above embodiment, the constraint hole 12 is provided on the limit seat 1, which can not only improve the guidance when the limit rod 2 is inserted into the connection hole 11 to prevent the limit rod 2 from being inserted crookedly, but also provide radial constraints when the limit rod 2 is engaged with the limit seat 1 to prevent the limit member 22 from being crooked, thereby improving the reliability of the clamping connection. The diameter of the constraint hole 12 is not less than the diameter of the connection hole 11, and will not hinder the insertion of the limit rod 2 into the connection hole 11.

[0112] In some embodiments of the present application, Figure 7 and Fig.16 As shown, a recovery hole 13 is provided on the limit seat 1, and the recovery hole 13 is used to accommodate the limit rod 2; the diameter of the recovery hole 13 is larger than the outer diameter of the limit rod 2; the axis of the recovery hole 13 is perpendicular to the axis of the connecting hole 11.

[0113] When the limiting rod 2 is in use, it is connected with the limiting seat 1 to provide vertical limiting for the battery. When the battery transport rack is not loaded with batteries, the limiting rod 2 can be stored in the recovery hole 13.

[0114] Exemplarily, when the limiting rod 2 is located in the recovery hole 13 , the limiting member 22 abuts against the end surface of the recovery hole 13 , and the elastic rope 252 is in an elastically stretched state, which can reduce the possibility of the limiting member 22 escaping from the recovery hole 13 .

[0115] In the technical solution of the above embodiment, a recovery hole 13 is provided on the limit seat 1, which can provide a storage position for the limit rod 2. The diameter of the recovery hole 13 is larger than the outer diameter of the limit rod 2, which is convenient for plugging and unplugging the limit rod 2. The axis of the recovery hole 13 is perpendicular to the axis of the connecting hole 11, which can reduce the space occupied in the vertical direction when the limit rod 2 is stored.

[0116] In some embodiments of the present application, Figure 7 and Figure 8As shown, the limit seat 1 includes a seat body 14, a thickened plate 15 and a circular tube 16; the seat body 14 is a square tube, which includes a first wall 141, a second wall 142, a third wall 143 and a fourth wall 144 in sequence; the thickened plate 15 is attached to the first wall 141, and the circular tube 16 is installed in the square tube; the connecting hole 11 passes through the first wall 141 and the thickened plate 15; the recovery hole 13 passes through the second wall 142 and the fourth wall 144; and the circular tube 16 has a constraint hole 12.

[0117] The seat body 14 can be processed by a square tube profile, the thickened plate 15 can be processed by a metal plate, and the thickened plate 15 can be welded to the seat body 14 or bonded to the seat body 14. The round tube 16 is installed in the square tube and can be welded to the third wall 143 of the square tube. The round tube 16 can be connected to the first wall 141 of the square tube or not. The thickness of the clamping plate 111 can be equal to the length of the connecting hole 11 in the axial direction.

[0118] In the technical solution of the above embodiment, the limit seat 1 can be processed by using profiles, which is convenient to obtain and has low processing cost. When forming the connection hole 11, the length of the connection hole 11 and the thickness of the clamping plate 111 are increased by arranging a thickening plate 15, so as to improve the connection strength.

[0119] Please refer to Fig.17 , Fig.17 Schematic diagram of a battery transport rack provided for some embodiments of the present application.

[0120] In a second aspect, some embodiments of the present application provide a battery transport rack, such as Fig.17 As shown, the battery transport rack includes a rack body 3 and a limiting device provided by any of the above embodiments, and thus has all the beneficial effects of the limiting device in any of the above embodiments of the first aspect.

[0121] In some embodiments of the present application, Fig.17 As shown, the limiting devices are installed in pairs on the frame 3 to provide vertical limiting on both sides of the battery.

[0122] Exemplarily, there may be two or four limiting devices. When there are two limiting devices, one limiting device is connected to the assembly hole of the battery on each side of the battery to provide vertical limiting. When there are four limiting devices, two limiting devices are connected to the assembly hole of the battery on each side of the battery to provide vertical limiting.

[0123] In the technical solution of the above embodiment, the limiting devices are installed in pairs on the frame 3, which can not only provide vertical limiting for the battery, but also provide horizontal limiting for the battery, thereby providing limiting for the battery in a three-dimensional space and improving the protection level of the battery during transportation.

[0124] In some embodiments of the present application, Fig.17 As shown, a horizontal limit block 31 is provided on the frame 3, and the horizontal limit block 31 is used to provide horizontal direction limit on both sides of the battery.

[0125] The four sides of the frame 3 are the first side, the second side, the third side and the fourth side in sequence, and the limit devices arranged in pairs are respectively located on the first side and the third side. The horizontal limit holes can be respectively located on the second side and the fourth side, or respectively located on the first side and the third side.

[0126] In the technical solution of the above embodiment, a horizontal limit block 31 is provided on the frame 3, which can not only cooperate with the limit device to play a limiting role to achieve a double insurance mechanism, but also provide protection for the battery in the horizontal direction to reduce bumps.

[0127] In some embodiments of the present application, Fig.17 As shown, a cushion block 32 is provided on the frame 3 , and the cushion block 32 is used to carry the battery; the height of the top surface of the limiting seat 1 is lower than the height of the top surface of the cushion block 32 .

[0128] The cushion block 32 is installed on the upper end surface of the frame 3. The frame 3 can be made of metal, and the cushion block 32 can be made of non-metallic material, such as polyurethane, nylon, wood, etc.

[0129] In the technical solution of the above embodiment, the height of the top surface of the limit seat 1 is lower than the height of the top surface of the cushion block 32, so that interference between the limit seat 1 and the battery can be avoided.

[0130] In some embodiments of the present application, Fig.17 As shown, a first bearing groove 33 is provided at the bottom of the frame 3, and the first bearing groove 33 is used to provide a position for supporting the frame 3; there are multiple pads 32, and a second bearing groove 34 is provided between adjacent pads 32, and the second bearing groove 34 is used to provide a position for supporting the battery.

[0131] The direction of the first bearing groove 33 may be the same as or different from the direction of the second bearing groove 34 .

[0132] In the technical solution of the above embodiment, the battery transport rack is provided with a first load-bearing groove 33 and a second load-bearing groove 34, which can facilitate the transportation of the battery and the battery transport rack and facilitate the transportation operation by forklifts and other transportation machinery.

[0133] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them; although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application, and they should all be included in the scope of the claims and specification of the present application. In particular, as long as there is no structural conflict, the various technical features mentioned in the various embodiments can be combined in any way. The present application is not limited to the specific embodiments disclosed herein, but includes all technical solutions that fall within the scope of the claims.

Claims

1. A limiting device, characterized in that: include: The limit seat is provided with a connection hole, and a clamping plate is provided on the connection hole; The limiting rod is provided with a card slot and a limiting piece, wherein the limiting rod is used to be inserted into the assembly hole of the battery, the card slot is used to be connected with the card board by carding, and the limiting piece is used to abut the battery to provide vertical direction limitation.

2. The limiting device according to claim 1, characterized in that: The limiting rod comprises a clamping section, a penetration section and a limiting section, wherein the penetration section is located between the clamping section and the limiting section; The clamping slot is located in the clamping section, and the clamping slot includes a first notch and a second notch that are successively and interconnectedly distributed from the free end of the limiting rod to the connecting section, and the first notch is used to avoid the clamping plate so that the clamping section can pass through the connecting hole; In the circumferential direction of the limiting rod, the angles corresponding to the two ends of the second notch are greater than the angles corresponding to the two ends of the first notch, and the second notch is used to cooperate with the clamping plate to clamp the clamping section.

3. The limiting device according to claim 2, characterized in that: The limiting member is located on the limiting section and is used to abut against the battery to provide vertical limiting.

4. The limiting device according to claim 2, characterized in that: The card plate is fan-shaped and has a first central angle; The first notch is fan-shaped and has a second central angle; The second notch is fan-shaped and has a third central angle; The first central angle is not greater than the second central angle, and the second central angle is less than the third central angle.

5. The limiting device according to claim 4, characterized in that: The third central angle is 90° greater than the second central angle.

6. The limiting device according to claim 4, characterized in that: The first central angle is 90°, the second central angle is 120°, and the third central angle is 210°.

7. The limiting device according to claim 2, characterized in that: In the circumferential direction of the limiting rod, one end of the second notch is a penetration end, and the other end is a clamping end; The penetration end of the second notch coincides with one end of the first notch.

8. The limiting device according to claim 7, characterized in that: Along the axial direction of the limiting rod, the distance between the upper end surface and the lower end surface of the second notch is greater than the thickness of the clamping plate in the axial direction of the connecting hole.

9. The limiting device according to claim 8, characterized in that: The limiting section is provided with a gasket, wherein there are a plurality of gaskets, which abut against the limiting member at the end surface of the limiting member facing away from the battery, and are used to adjust the position of the limiting member on the limiting section.

10. The limiting device according to claim 8, characterized in that: Along the axial direction of the limiting rod, the upper end surface of the second notch is an inclined surface, and gradually tilts downward from the insertion end to the clamping end, so as to abut against the upper end surface of the connecting hole; and / or The lower end surface of the second notch is an inclined surface, and gradually tilts upward from the insertion end to the clamping end, so as to abut against the lower end surface of the connecting hole.

11. The limiting device according to claim 2, characterized in that: The limiting section is provided with a handle and an elastic rope; The handle abuts against the end surface of the limiting member facing away from the battery, and the handle is provided with a through hole; One end of the elastic rope is connected to the through hole, and the other end is used to connect to the battery transport rack to provide elastic force to constrain the limiting rod.

12. The limiting device according to claim 2, characterized in that: A sleeve is sleeved on the outer side of the circumference of the connecting section, and the outer diameter of the sleeve is smaller than the inner diameter of the assembly hole; The outer diameter of the limiting member is larger than the inner diameter of the assembly hole; The sleeve is made of nylon, and the limiting member is made of rubber.

13. The limiting device according to claim 2, characterized in that: The limit seat is provided with a constraint hole for providing constraint and guidance for the limit rod; The axis of the constraint hole coincides with the axis of the connecting hole; The diameter of the constraining hole is not less than the diameter of the connecting hole.

14. The limiting device according to claim 13, characterized in that: The limit seat is provided with a recovery hole, and the recovery hole is used to accommodate the limit rod; The diameter of the recovery hole is larger than the outer diameter of the limiting rod; The axis of the recovery hole is perpendicular to the axis of the connecting hole.

15. The limiting device according to claim 14, characterized in that: The limit seat comprises a seat body, a thickened plate and a round tube; The seat body is a square tube, and comprises a first wall, a second wall, a third wall and a fourth wall in sequence; The thickened plate is attached to the first wall, and the round tube is installed in the square tube; The connecting hole passes through the first wall and the thickened plate; The recovery hole passes through the second wall and the fourth wall; The restraining hole is inside the circular tube.

16. A battery transport rack, characterized in that: include: A frame and a limiting device as claimed in any one of claims 1 to 15; The limiting devices are installed in pairs on the frame and are used to provide vertical limiting on both sides of the battery.

17. The battery transport rack according to claim 16, characterized in that: The frame is provided with a horizontal limit block, and the horizontal limit block is used to provide horizontal direction limit on both sides of the battery.

18. The battery transport rack according to claim 16, characterized in that: The frame is provided with a cushion block, and the cushion block is used to carry the battery; The height of the top surface of the limiting seat is lower than the height of the top surface of the cushion block.

19. The battery transport rack according to claim 18, characterized in that: The bottom of the frame is provided with a first bearing groove, and the first bearing groove is used to provide a position for supporting the frame; There are a plurality of pads, and a second load-bearing groove is provided between adjacent pads, and the second load-bearing groove is used to provide a position for supporting the battery.

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