Self-locking output stage bearing structure of battery box

Abstract

The utility model discloses a self-locking output stage bearing structure of a battery box, and belongs to the technical field of new energy batteries. The output-stage bearing structure comprises a base and a protective cover, the base comprises a seat body, a mounting hole, two end plates and a back plate are arranged on the top surface of the seat body, the end plates and side plates are formed by upwards extending the top surface of the seat body, buckle holes are formed in the end plates, grooves are formed in the two sides of the mounting hole, and the protective cover is arranged in the grooves. Expansion pipes penetrating through the base plate of the base body are mounted at the bottoms of the grooves; the protective cover comprises a cover body and a bolt column arranged on the bottom face of the cover body, the bolt column penetrates through the groove to be inserted into the expansion pipe, and buckles matched with the buckle holes are arranged at the two ends of the cover body. The utility model is simple to install, and can effectively prevent the problem of abnormal sound caused by loosening of the protective cover and the base.

Description

Technical Field

[0001] The utility model relates to the technical field of new energy batteries, and in particular to a self-locking output-level bearing structure of a battery box. Background Art

[0002] The module output stage bearing structure in new energy batteries is generally composed of two materials: an output stage base and a protective cover. The output stage base is used to fix the high-voltage aluminum bar, while the protective cover structure is to cover the high-voltage aluminum bar to prevent exposure.

[0003] The battery box self-locking output stage bearing structure in the prior art has the following problems:

[0004] 1. A third component, such as a plastic buckle or bolt, is required between the output base and the crossbeam of the battery box for fixing. There are problems such as the plastic buckle being easy to fall off after long-term use or the bolt installation being cumbersome and increasing the workload of the installer.

[0005] 2. The protective cover and the output stage base are assembled only with buckles, and the assembly gap is large; there will be a large shake between the output stage base and the output stage cover, which will produce a certain abnormal noise. Summary of the invention

[0006] In view of the deficiencies of the prior art, the utility model provides a self-locking output stage base and an output stage upper cover to solve the problems in the prior art.

[0007] To achieve the above purpose, the utility model designs a self-locking output stage bearing structure of a battery box. It includes a base and a protective cover, the base includes a base body, a box body is arranged in the base body, a mounting hole is arranged on the top surface of the box body, and the base body and the two end walls of the box body respectively form symmetrical grooves; two end plates and a back plate are respectively arranged on the body wall of the base body, the end plates and the back plate are formed by extending upward from the top surface of the base body, buckle holes are opened on the end plates, and expansion tubes penetrating the bottom plate of the base body are installed at the bottom of the grooves; the protective cover includes a cover body and a latch column arranged on the bottom surface of the cover body, the latch column passes through the groove and is inserted into the expansion tube, and buckles matching the buckle holes are arranged at both ends of the cover body.

[0008] Preferably, the cover body includes a rectangular cover top plate, two cover end plates and a cover side plate are arranged at the bottom of the cover top plate, and two parallel and spaced L-shaped holes are opened on the cover end plate to form a first plate, a second plate and a third plate arranged in sequence, and a buckle is arranged at the bottom end of the second plate.

[0009] Preferably, two card slots are provided at two ends of the top of the back plate, and the first plate is carded in the card slots.

[0010] Preferably, a right-angled notch is provided at the bottom edge of the third plate away from the second plate, and the right-angled notch can be fitted to the top surface of the vertical plate.

[0011] Preferably, the two end plates are L-shaped plate structures arranged symmetrically. The end plate includes a straight plate and a vertical plate perpendicular to the end of the straight plate, and a snap hole is provided on the straight plate.

[0012] Preferably, the mounting hole is a counterbore and is provided in the middle area of the top surface of the seat body.

[0013] Preferably, the mounting hole is an internal threaded hole. The high-voltage bar piece is installed in the mounting hole through the cooperation of the internal threaded hole and the bolt.

[0014] Preferably, a plurality of cavity grooves are provided on the box body. Through the cavity grooves, the weight of the box body can be reduced and manufacturing materials can be saved.

[0015] Preferably, the base is an integrally injection-molded structure.

[0016] Preferably, the protective cover is an integrally injection-molded structure. By integrally injection-molding, the number of structural parts can be reduced and the manufacturing cost can be lowered.

[0017] Advantages of the present utility model:

[0018] 1. When installing the protective cover of the present utility model, the plug pin is inserted into the expansion tube at the same time. The expansion tube will expand radially to lock the output-stage base on the battery box cross beam, avoiding the problems that the plastic buckle fixation in the prior art is easy to come off after long-term use or the bolt installation is cumbersome, increasing the workload of the installer.

[0019] 2. When the protective cover and the output-stage base of the present utility model are assembled using snap fasteners, the plug pin fixed to the bottom of the cover top plate is also tightly connected to the expansion tube fixed on the base, avoiding the problem that there is a large assembly gap and abnormal noise when the protective cover and the output-stage base are only assembled using snap fasteners. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a perspective view of the present utility model;

[0021] Figure 2 is a perspective view of the base of the present utility model;

[0022] Figure 3 is a bottom view of the present utility model;

[0023] Figure 4 is a perspective view of the protective cover of the present utility model;

[0024] Figure 5 is a perspective view of the cover body of the present utility model.

[0025] Reference numerals:

[0026] 1 Base, 11 Body, 111 Cavity Groove, 12 Mounting Hole, 13 End Plate, 131 Snap Hole, 132 Straight Plate, 133 Vertical Plate, 14 Back Plate, 141 Card Slot, 15 Groove, 16 Expansion Tube, 17 Box Body

[0027] 2 Protective Cover, 21 Cover Body, 211 Cover Top Plate, 212 Cover Side Plate, 213 L-shaped Aperture, 214 First Plate, 215 Second Plate, 216 Third Plate, 217 Right-angle Notch, 22 Plug Post, 23 Snap Detailed Implementation Manner

[0028] In order to make the technical problems, technical solutions and beneficial effects to be solved by this application clearer and more understandable, the following further details this application in conjunction with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this application and are not used to limit this application.

[0029] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0030] It should be understood that the orientation or positional relationship indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing this application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to this application.

[0031] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of this application, "a plurality" means two or more, unless otherwise specifically defined.

[0032] References to "one embodiment" or "some embodiments" etc. described in the specification of this application mean that specific features, structures or characteristics described in connection with that embodiment are included in one or more embodiments of this application. Thus, statements such as "in one embodiment", "in some embodiments", "in some other embodiments", "in still some other embodiments" etc. that appear in different places in this specification do not necessarily all refer to the same embodiment, but mean "one or more but not all embodiments", unless otherwise specifically emphasized in other ways. The terms "comprising", "including", "having" and their variants all mean "including but not limited to", unless otherwise specifically emphasized in other ways.

[0033] The following further describes the present utility model in conjunction with the accompanying drawings and specific embodiments.

[0034] Embodiment

[0035] As Figures 1 to 5 The self-locking output-stage bearing structure of the battery box shown includes a base 1 and a protective cover 2, and both the base 1 and the protective cover 2 are integrally injection-molded structures. The base 1 includes a seat body 11, and a box body 17 is arranged inside the seat body 11. An installation hole 12 is provided on the top surface of the box body 17. The installation hole 12 is a counterbore and is arranged in the middle area of the top surface of the seat body 11. The installation hole 12 is an internal threaded hole. Two end plates 13 and a back plate 14 are respectively arranged on the wall of the seat body 11. The end plates 13 and the back plate 14 extend upward from the top surface of the seat body 11. Snap holes 131 are opened on the end plates 13. Symmetrical grooves 15 are respectively formed between the seat body 11 and the two end walls of the box body 17. Expansion tubes 16 penetrating the bottom plate of the seat body 11 are installed at the bottoms of the grooves 15; a plurality of cavity grooves 111 are provided on the box body 17.

[0036] The protective cover 2 includes a cover body 21 and a plug pin column 22 arranged on the bottom surface of the cover body 21. The plug pin column 22 passes through the groove 15 and is inserted into the expansion tube 16. The cover body 21 includes a rectangular cover top plate 211. Two cover end plates and a cover side plate 212 are arranged at the bottom of the cover top plate 211. Two parallel and spaced L-shaped pores 213 are opened on the cover end plates to form a first plate 214, a second plate 215 and a third plate 216 arranged in sequence. A snap 23 is arranged at the bottom end of the second plate 215. Two card slots 141 are provided at both ends of the top of the back plate 14. The third plate 216 is snap-connected in the card slots. The two end plates 13 are L-shaped plate structures arranged symmetrically. The end plate 13 includes a straight plate 132 and a vertical plate 133 perpendicular to the end of the straight plate 132. A snap hole 131 is provided on the straight plate 132. A right-angle notch 217 is arranged at the bottom edge of the third plate 216 away from the second plate 215, and the right-angle notch 217 can be attached to the top surface of the vertical plate 133.

[0037] The following introduces the technological process during the installation of the present utility model:

[0038] Insert two expansion tubes 16 into the through holes on the crossbeam of the battery box, install the high-voltage bus bar into the mounting hole 12 through bolts, cover the protective cover 2, insert the pin post 22 into the expansion tube 16, and at the same time snap the buckle 23 into the buckle hole 131 and make the first plate 214 snap into the slot 141. At this time, the expansion tube 16 will expand radially to lock the seat body 11 on the crossbeam of the battery box.

[0039] 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 foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present application, and should all be included in the protection scope of the present application.

Claims

1. A battery box self-locking output stage bearing structure, comprising a base (1) and a protective cover (2), characterized in that: The base (1) comprises a base body (11), a box body (17) is arranged inside the base body (11), a mounting hole (12) is arranged on the top surface of the box body (17), and the base body (11) and two end walls of the box body (17) respectively form symmetrical grooves (15); two end plates (13) and a back plate (14) are respectively arranged on the body wall of the base body (11), and the end plates (13) and the back plate (14) extend upward from the top surface of the base body (11) to form a groove (15). The end plates (13) are each provided with a snap hole (131), and the bottom of each of the grooves (15) is provided with an expansion tube (16) penetrating the bottom plate of the seat body (11); the protective cover (2) comprises a cover body (21) and a latch column (22) arranged on the bottom surface of the cover body (21), the latch column (22) passes through the groove (15) and is inserted into the expansion tube (16), and buckles (23) matching with the snap holes (131) are provided at both ends of the cover body (21).

2. The battery box self-locking output stage bearing structure according to claim 1, characterized in that: The cover body (21) comprises a rectangular cover top plate (211), two cover end plates and a cover side plate (212) are arranged at the bottom of the cover top plate (211), and two parallel and spaced L-shaped holes (213) are formed on the cover end plates to form a first plate (214), a second plate (215) and a third plate (216) arranged in sequence, and a buckle (23) is arranged at the bottom end of the second plate (215).

3. The battery box self-locking output stage bearing structure according to claim 2, characterized in that: Two slots (141) are provided at two ends of the top of the back plate (14), and the first plate (214) is snap-connected in the slots (141).

4. The battery box self-locking output stage bearing structure according to claim 2, characterized in that: A right-angle notch (217) is provided at the bottom edge of the third plate (216) away from the second plate (215), and the right-angle notch (217) can fit with the top surface of the end plate (13).

5. The battery box self-locking output stage bearing structure according to claim 1, characterized in that: The two end plates (13) are symmetrically arranged L-shaped plate structures. The end plates (13) include a straight plate (132) and a vertical plate (133) perpendicular to the end of the straight plate (132). The straight plate (132) is provided with a snap hole (131).

6. The battery box self-locking output stage bearing structure according to claim 1, characterized in that: The mounting hole (12) is a countersunk hole and is arranged in the middle area of ​​the top surface of the seat body (11).

7. The battery box self-locking output stage bearing structure according to claim 1, characterized in that: The mounting hole (12) is an internal threaded hole.

8. The battery box self-locking output stage bearing structure according to claim 1, characterized in that: The box body (17) is provided with a plurality of cavity grooves (111).

9. The battery box self-locking output stage bearing structure according to claim 1, characterized in that: The base (1) is an integral injection-molded structure.

10. The battery box self-locking output stage bearing structure according to claim 1, characterized in that: The protective cover (2) is an integral injection-molded structure.

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