A battery compartment lock

Abstract

The present invention provides a battery compartment lock, which comprises a locking tongue structure provided on a flip-type battery compartment cover and a lock body structure provided on a battery compartment body, wherein the lock body structure can move forward and backward relative to the battery compartment body, and a lock core on the lock body structure can move left and right and swing forward and backward relative to a lock seat, so that the entire lock body structure has a multi-directional movable adjustment margin, so that the locking tongue structure can be quickly aligned with a lock hole on the lock body structure, so as to achieve a quick plug-in locking fit, and the movable parts are fastened by threaded fit, with a good self-locking effect, so that the fit precision and tight fit between the battery cover body and the battery compartment body are high, and will not loosen or shake, thereby ensuring the pressing effect of the battery compartment cover on the battery in the compartment, and solving the technical problems existing in the prior art that when the latch type lock is used for locking a flip-type battery compartment, the latch pin and the pin hole are difficult to align, the locking fit of the battery compartment cover is poor, and the battery in the compartment is shaken and difficult to be pressed.

Description

Technical Field

[0001] The present invention relates to the technical field of locks, and in particular to a battery compartment lock. Background Art

[0002] Industrial vehicles refer to power-driven motor vehicles used for transporting, pushing, towing, lifting, stacking, or palletizing various goods. They include forklifts: reach trucks, straddle trucks, counterbalance forklifts, transporters, side loaders; single-drum loaders: tractors, trailers, chassis trucks, etc. Industrial vehicles usually use a storage battery as the power source, with an electric motor as the power, and drive the vehicle to move through gear transmission. The lifting of the fork is driven by a DC motor and hydraulic transmission, which pushes the oil cylinder to move up and down to lift the fork and the goods. Since both the running and the lifting are electric, an on-vehicle battery pack is provided on the industrial vehicle. The battery pack is installed in the battery compartment. For the convenience of installation and maintenance, an openable cover is usually provided in cooperation with the battery compartment.

[0003] Chinese Patent CN202120434048.9 discloses an electric pallet truck, which includes a vehicle body, a drive system, a hydraulic system, a pedal assembly, a fork frame, a connecting rod and wheel frame system, a battery assembly, a steering system and a balance wheel assembly. The fork frame is installed on one side of the vehicle body, and the connecting rod and wheel frame system is installed at the bottom of the fork frame. The drive system, the hydraulic system, the pedal assembly, the battery assembly and the steering system are all installed on the vehicle body, and the balance wheel assembly is installed at the bottom of the vehicle body; the balance wheel assembly includes a balance wheel bracket for installing the balance wheel, a height adjusting rod and a locking member. The height adjusting rod is fixed to the balance wheel bracket, and the locking member passes through the height adjusting rod; a flip cover and a panel are also provided on the vehicle body. The panel is detachably installed between the panel and the vehicle body. A flip cover is also provided on the side of the panel. The flip cover is rotatably installed on the vehicle body and on one side of the panel. The gap between the flip cover and the panel is set as small as possible to reduce the influence of external substances on the components inside the vehicle body.

[0004] In order to prevent the battery compartment cover from shaking and to be able to press and fix the battery in the compartment, it is necessary to set a lock to lock and fix the battery compartment cover and the battery compartment, and there is a high requirement for the tightness of the cooperation between the cover and the compartment body; in addition, for the flip-type battery cover structure, when using a lock with a bolt-pin method, there is a problem that it is difficult for the bolt to align with the pin hole, which increases the difficulty of the insertion operation. Summary of the Invention

[0005] The object of the present invention is to address the deficiencies of the prior art and provide a battery compartment lock. By providing a locking tongue structure on the flip-type battery compartment cover and a lock body structure on the battery compartment body, the lock body structure can move back and forth relative to the battery compartment body, the lock core on the lock body structure can move left and right and swing back and forth relative to the lock seat, so that the entire lock body structure has a multi-directional movement adjustment margin, enabling the locking tongue structure to quickly align with the lock hole on the lock body structure, thereby achieving quick insertion and locking fit. Moreover, the various moving parts are fastened by screw threads, with good self-locking effect, resulting in high precision and tight fit between the battery cover body and the battery compartment body, without loosening or shaking, ensuring the pressing effect of the battery compartment cover on the battery inside the compartment, and solving the technical problems in the prior art such as the difficulty in aligning the bolt and the bolt hole in the case of using a bolt-type lock for locking a flip-type battery compartment, poor locking fit of the battery compartment cover, easy shaking, and difficulty in pressing the battery inside the compartment.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] A battery compartment lock, comprising: a battery compartment body, which is installed on the frame of a handling vehicle; a battery compartment cover, which is provided as a flip-type structure and is rotatably installed on the battery compartment body for flipping and closing; a locking tongue structure, which is axially movably installed on the battery compartment cover; and a lock body structure, which is installed on the battery compartment body in cooperation with the position of the locking tongue structure, and the locking tongue structure is inserted and cooperated with the lock body structure to lock and close the battery compartment cover on the battery compartment body; wherein, the lock body structure is provided with a multi-directional movement adjustment margin to align the locking tongue structure with the lock hole on the lock body structure, and the locking tongue structure is provided as a long shape and can be inserted into the lock hole.

[0008] Preferably, the lock body structure includes: a lock seat, which is installed on the battery compartment body and can move back and forth relative to the battery compartment body; and a lock core, which is installed on the lock seat and can move left and right relative to the lock seat, and the lock core is inserted and cooperated with the locking tongue structure.

[0009] Preferably, the lock core can swing back and forth relative to the lock seat.

[0010] Preferably, a long hole A is provided on the lock seat along the front-back direction, and a fastener A is inserted into the long hole A to fasten and install the lock seat on the battery compartment body through the fastener A. Loosen the fastener A to enable the lock seat to move back and forth relative to the battery compartment body.

[0011] Preferably, the fastener A includes: a screw A, which is inserted into the long hole A, and a threaded hole corresponding to the screw A is provided on the battery compartment body to tightly connect the lock seat and the battery compartment body.

[0012] Preferably, a long hole B extending in the left - right direction is formed in the lock base, and a fastener B passing through the long hole B is connected to the lock core, so as to fixedly install the lock core on the lock base through the fastener B. Loosen the fastener B to enable the lock core to move left and right relative to the lock base.

[0013] Preferably, the lock base is arranged in a "C" shape. Its horizontal upper part is provided with the long hole B for connection with the lock core, and its horizontal lower part is provided with the long hole A for connection with the battery compartment.

[0014] Preferably, the fastener B includes: a screw B passing through the long hole B; and a nut B threadedly sleeved on the head of the screw B. Tighten the nut B to fixedly connect the lock core and the lock base.

[0015] Preferably, the lock core includes: a locking rod, and a lock hole is radially formed through the locking rod; and a swing rod horizontally and coaxially connected to the side of the locking rod. The bottom surface of the swing rod cooperating with the lock base is set as an arc part, so that the lock core can swing back and forth relative to the lock base.

[0016] Preferably, the axial direction of the locking rod is horizontally arranged, and a swing rod is connected to both the left and right ends of its axial direction. A pin hole is vertically formed through the swing rod in the radial direction, and the fastener B is sequentially passed through the pin hole and the long hole B from top to bottom.

[0017] Preferably, the diameter of the screw B of the fastener B is D1, the length of the long hole B is L1, and the width of the long hole B is W1, where D1 < W1 < L1.

[0018] Preferably, the lock tongue structure includes a screw rod, the lock hole is provided with internal threads, and the screw rod is in threaded fit connection with the lock hole.

[0019] Preferably, a fastener C is in threaded fit connection along the radial direction of the lock hole on the side of the lock hole on the lock body structure. The fastener C is screwed into the lock hole to radially lock the lock tongue structure inserted into the lock hole.

[0020] Preferably, the fastener C is set as a spring ball - head plunger, and its ball - head end extends into the lock hole to lock the lock tongue structure.

[0021] Preferably, the head of the lock tongue structure is provided with a spherical fillet, and the upper edge of the lock hole is provided with a flared chamfer.

[0022] Preferably, the tail of the lock tongue structure is provided with a knurled part.

[0023] Preferably, a gasket is coaxially sleeved on the locking tongue structure.

[0024] The beneficial effects of the present invention are:

[0025] (1) The present invention provides a lock tongue structure on the flip-type battery compartment cover and a lock body structure on the battery compartment body, wherein the lock body structure can move forward and backward relative to the battery compartment body, and the lock core on the lock body structure can move left and right and swing forward and backward relative to the lock seat, so that the entire lock body structure has a multi-directional movable adjustment margin, so that the lock tongue structure can be quickly aligned with the lock hole on the lock body structure, thereby achieving rapid plug-in and locking, thereby achieving rapid plug-in and locking, greatly saving time and improving operation convenience;

[0026] (2) The lock structure of the present invention is designed for the complex use conditions of industrial vehicles. During operation, the lock shakes greatly, which can easily lead to the loosening of the installation position of the lock tongue structure and the lock body structure, making it difficult for the lock tongue and the lock hole to match and insert. By adopting the lock of the present invention, its adjustable margin can ensure that the lock body structure can always match and insert with the lock tongue, the locking state is stable and there is no shaking, the battery compartment has good sealing performance, and the lock structure occupies a small space and has a beautiful appearance.

[0027] (3) The present invention provides a threaded fastening connection between the lock body structure and the battery compartment body by means of a fastener A, a threaded fastening connection between the lock core and the lock seat by means of a fastener B, and a threaded fastening connection between the lock tongue structure and the lock core, thereby achieving good tightness and self-locking effect between the movable parts, so that the battery cover body and the battery compartment body have high precision and tightness, and will not loosen or shake, thereby ensuring the pressing effect of the battery compartment cover on the battery in the compartment;

[0028] (4) The present invention provides a lock body structure including a lock core and a lock seat, wherein the lock core is connected to the lock seat by a fastener B in a manner that allows for tightness adjustment, and the lock core can move left and right and swing forward and backward relative to the lock seat, and the lock seat is installed on the battery compartment body by a fastener B in a manner that allows for tightness adjustment, and the lock seat can move forward and backward relative to the battery compartment body, thereby achieving multi-directional movement of the entire lock body structure, so as to flexibly adjust the orientation angle of the lock hole, so as to quickly align the lock hole with the lock tongue structure;

[0029] (5) The present invention provides a locking tongue structure including a screw rod, and provides a locking hole as a threaded hole, so that the screw rod and the locking hole are threadedly connected, and a spring ball head plunger is provided on the side of the locking hole and radially penetrates the insertion hole, thereby assisting in radial locking of the screw rod in the hole, achieving a good locking effect and avoiding loosening and shaking.

[0030] In summary, the lock structure of the present invention has the advantages of flexible multi-directional adjustment, convenient locking operation, high locking precision and tight fit, and is particularly suitable for the field of industrial vehicles with flip-top battery compartment structures. Brief Description of the Drawings

[0031] Figure 1 is a schematic diagram of the overall structure of the present invention;

[0032] Figure 2 is Figure 1 an enlarged view of part A in

[0033] Figure 3 is a schematic diagram of the cooperation between the bolt structure and the lock body structure of the present invention;

[0034] Figure 4 is Figure 3 the right view of

[0035] Figure 5 is a disassembled view of the accessories of the bolt structure and the lock body structure of the present invention;

[0036] Figure 6 is a schematic diagram of the structure of the lock base of the present invention;

[0037] Figure 7 is a schematic diagram of the structure of the screw rod of the present invention;

[0038] Figure 8 is a cross-sectional view of the spring ball plunger of the present invention;

[0039] Figure 9 is a schematic diagram of the locked state of the battery compartment lock of the present invention. Detailed Description of the Invention

[0040] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0041] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by terms such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention 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 construed as a limitation on the present invention. 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 specifying 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 the present invention, "a plurality of" means two or more unless otherwise specifically defined.

[0042] Embodiment 1

[0043] As shown in Figure 1-2 Figure , a battery compartment lock includes: a battery compartment body 1, the battery compartment body 1 is installed on the frame of a handling cart; a battery compartment cover 2, the battery compartment cover 2 is set as a flip structure and is rotatably installed on the battery compartment body 1 for flipping and closing; a lock tongue structure 3, the lock tongue structure 3 is axially movably installed on the battery compartment cover 2; and a lock body structure 4, the lock body structure 4 is installed on the battery compartment body 1 in cooperation with the position of the lock tongue structure 3, and the lock tongue structure 3 and the lock body structure 4 are inserted and cooperated to lock the battery compartment cover 2 on the battery compartment body 1; wherein, the lock body structure 4 is provided with multi-directional movement adjustment margins, so that the lock tongue structure 3 can be aligned with the lock hole 40 on the lock body structure 4, the lock tongue structure 3 is set as a long shape and can be inserted into the lock hole 40, as Figure 9 shown in the locked state of the battery compartment lock.

[0044] In this embodiment, the lock body structure 4 is arranged to be multi-directionally movable relative to the lock tongue structure 3. Specifically, the lock body structure 4 can be adjusted for movement in the front-rear direction and the left-right direction as well as for swinging adjustment, so as to compensatorily provide multi-directional and multi-angle fitting clearances for the lock tongue structure 3 coming from a given-angle rotation, so as to ensure that the lock tongue structure 3 can quickly and smoothly be aligned with and inserted into the lock hole 40 on the lock body structure 4, thereby realizing quick insertion and locking, improving the fitting and locking efficiency, greatly saving time, and improving the operation convenience.

[0045] Preferably, as Figure 3As shown, the lock body structure 4 includes: a lock base 5 which is installed on the battery compartment body 1 and can move back and forth relative to the battery compartment body 1; and a lock core 6 which is installed on the lock base 5 and can move left and right relative to the lock base 5, and the lock core 6 is cooperatively inserted with the lock tongue structure 3.

[0046] Preferably, as Figure 4 shown, the lock core 6 can swing back and forth relative to the lock base 5.

[0047] Embodiment 2

[0048] For the same or corresponding components in this embodiment and the above embodiment, the corresponding reference numerals in the above embodiment are used. For the sake of simplicity, only the differences from the above embodiment will be described below. The difference between this embodiment and the above embodiment is that:

[0049] Preferably, as Figure 3 and Figure 6 shown, a long hole A51 extending in the front-rear direction is formed in the lock base 5, and a fastener A7 is inserted through the long hole A51 to fixedly install the lock base 5 on the battery compartment body 1 by the fastener A7, and the fastener A7 is loosened to enable the lock base 5 to move back and forth relative to the battery compartment body 1.

[0050] In this embodiment, when the lock tongue structure 3 performs the insertion operation, first loosen the fastener A7, move the lock base 5 back and forth to adjust its position, and then tighten the fastener A7 after moving to an appropriate position to prevent the lock base 5 from moving too much back and forth, which may make it more difficult for the lock tongue structure 3 to find the lock hole 40.

[0051] Preferably, as Figure 3 and Figure 6 shown, a long hole B52 extending in the left-right direction is formed in the lock base 5, and a fastener B8 connected to the lock core 6 is inserted through the long hole B52 to fixedly install the lock core 6 on the lock base 5 by the fastener B8, and the fastener B8 is loosened to enable the lock core 6 to move left and right relative to the lock base 5.

[0052] Preferably, the lock core 6 includes: a locking rod 61 in which a lock hole 40 is radially formed therethrough; and a swing rod 62 which is horizontally and coaxially connected to the side of the locking rod 61, and the bottom surface of the swing rod 62 cooperating with the lock base 5 is provided with an arc portion 60 to enable the lock core 6 to swing back and forth relative to the lock base 5.

[0053] In this embodiment, the lock body structure 4 is provided to include a lock base 5 and a lock core 6. The lock core 6 is connected to the lock base 5 in a loosenable and adjustable manner through a fastener B8, such that the lock core 6 can move left and right and swing back and forth relative to the lock base 5. Moreover, the lock base 5 is mounted on the battery compartment body 1 in a loosenable and adjustable manner through a fastener A7, such that the lock base 5 can move back and forth relative to the battery compartment body 1, thereby realizing multi-directional movement of the entire lock body structure 4 to flexibly adjust the orientation angle of its keyhole 40 so as to quickly align the keyhole 40 with the lock tongue structure 3.

[0054] Preferably, as Figure 5 shown, the fastener A7 includes: a screw A71 which passes through the long hole A51, and a threaded hole corresponding to the screw A71 is provided on the battery compartment body 1 for tightly connecting the lock base 5 and the battery compartment body 1.

[0055] Preferably, in combination with Figure 4 shown, the lock base 5 is arranged in a "C" shape. The upper horizontal part thereof is provided with the long hole B52 for connecting with the lock core 6, and the lower horizontal part thereof is provided with the long hole A51 for connecting with the battery compartment body 1.

[0056] Preferably, as Figure 5 shown, the fastener B8 includes: a screw B81 which penetrates through the long hole B52; and a nut B82 which is threadedly sleeved on the head of the screw B81. Tightening the nut B82 tightly connects the lock core 6 and the lock base 5.

[0057] Preferably, the axial direction of the locking rod 61 is horizontally arranged, and a swing rod 62 is connected to both the left and right ends of its axial direction. A pin hole 63 is vertically penetrated through the swing rod 62 in the radial direction, and the fastener B8 is sequentially penetrated through the pin hole 63 and the long hole B52 from top to bottom.

[0058] In this embodiment, the entire lock body structure 4 is adjustably and tightly mounted on the battery compartment body 1 through the fastener A7. When the fastener A7 is loosened, the entire lock body structure 4 can move back and forth relative to the battery compartment body 1. Further, the lock body structure 4 further includes a lock base 5 and a lock core 6. Similarly, the lock core 6 is adjustably and tightly mounted on the lock base 5 through the fastener B8. When the fastener B8 is loosened, the lock core 6 can move left and right and swing back and forth relative to the lock base 5.

[0059] In addition, after the lock buckle structure is completely locked, a threaded tight fit is achieved between the lock tongue structure 3 and the lock core 6, between the lock core 62 and the lock base 5, and between the lock base 5 and the battery compartment body 1. The threaded self-locking effect is good, no loosening or shaking will occur between the above-mentioned components, the tight fit effect is good, and the assembly accuracy is high.

[0060] Preferably, the diameter of the screw B81 of the fastener B8 is D1, the length of the long hole B52 is L1, and the width of the long hole B52 is W1, where D1 < W1 < L1.

[0061] In this embodiment, by setting the diameter D1 of the screw B81 to be smaller than the length L1 and the width W1 of the long hole B52, there is a margin for the screw B81 to move in the front-back direction and the left-right direction within the long hole B52. When the two left and right screws B81 are loosened, the lock core 6 can move left and right with a stroke of the length L1 of the long hole B52, and the lock core 6 can further swing in the front-back direction to achieve flexible adjustment.

[0062] Preferably, as Figure 5 and Figure 7 shown, the head of the lock tongue structure 3 is provided with a spherical rounded corner 30, and the upper edge of the lock hole 40 is provided with a flared chamfer 401.

[0063] In this embodiment, by providing a spherical rounded corner 30 at the head of the lock tongue structure 3 to reduce the size of the head of the lock tongue structure 3, and cooperating with the flared chamfer 401 provided at the upper edge of the lock hole 40 to enlarge the hole size at the upper end of the lock hole 40, the lock tongue structure 3 can be further quickly aligned and inserted into the lock hole 40.

[0064] Preferably, as Figure 7 shown, the tail of the lock tongue structure 3 is provided with a knurled portion 32.

[0065] In this embodiment, by providing the knurled portion 32, the friction is increased, which is convenient for disassembling and assembling the lock tongue structure 3 without tools and tightening the lock tongue structure 3 into the lock hole 40.

[0066] Embodiment Three

[0067] For the same or corresponding components in this embodiment and the above embodiments, the corresponding reference numerals in the above embodiments are used. For the sake of simplicity, only the differences from the above embodiments are described below. The differences between this embodiment and the above embodiments are as follows:

[0068] Preferably, as Figure 7 shown, the lock tongue structure 3 includes a screw rod 31, the lock hole 40 is provided with an internal thread, and the screw rod 31 is in threaded engagement with the lock hole 40.

[0069] In this embodiment, the lock tongue structure 3 is provided to include a screw rod 31, and the lock hole 40 is provided as a threaded hole, so that the lock tongue structure 3 and the lock body structure 4 are in threaded engagement, and the locking effect is good.

[0070] Preferably, as Figure 5 shown, a gasket 33 is coaxially sleeved on the lock tongue structure 3.

[0071] In this embodiment, by providing the gasket 33, the loosening of the screw 31 is prevented.

[0072] Embodiment Four

[0073] For the same or corresponding components in this embodiment and the above embodiments, the corresponding reference numerals in the above embodiments are adopted. For the sake of simplicity, only the differences from the above embodiments will be described below. The differences between this embodiment and the above embodiments are as follows:

[0074] Preferably, as Figure 4 shown, a fastener C9 is threadedly engaged and connected along the radial direction of the lock hole 40 on the side of the lock hole 40 of the lock body structure 4, and the fastener C9 is threadedly locked into the lock hole 40 to radially lock the lock tongue structure 3 inserted into the lock hole 40.

[0075] In this embodiment, in cooperation with the fastener C9 provided on the side of the lock hole 40 and radially penetrating the lock hole 40, the fastener C9 is screwed into the lock hole 40 to assist in radially locking the screw 31 in the hole, achieving a good locking effect and avoiding loosening and shaking.

[0076] Preferably, as Figure 8 shown, the fastener C9 is provided as a spring ball plunger, and its ball head end 90 extends into the lock hole 40 to lock the lock tongue structure 3.

[0077] Working process:

[0078] Loosen the fastener A7, the fastener B8, and the fastener C9. First, move the lock base 5 to an appropriate position and then tighten the fastener A7. Rotate the battery compartment cover 2 in the direction of the battery compartment body 1 to close it. Cooperate with moving left and right to adjust the position of the lock core 6 and swinging back and forth to adjust the angle of the lock core 6, so as to adjust the orientation of the lock hole 40, so that the screw 31 that comes with a fixed-angle rotation can just align with the lock hole 40. After alignment, tighten the screw 31 into the lock hole 40, and then loosen the fastener A7, the fastener B8, and the fastener C9.

[0079] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A battery compartment lock, characterized in that, Comprising: A battery compartment body; A battery compartment cover which is rotatably mounted on the battery compartment body; A lock tongue structure which is axially movably mounted on the battery compartment cover; And A lock body structure which is mounted on the battery compartment body, and the lock tongue structure is inserted and cooperated with the lock body structure to lock and close the battery compartment cover on the battery compartment body; Wherein, the lock body structure is provided with multi-directional movement adjustment margins so that the lock tongue structure can be aligned with the lock hole on the lock body structure; the lock body structure includes: a lock base which is mounted on the battery compartment body and can move back and forth relative to the battery compartment body; and a lock core which is mounted on the lock base and can move left and right relative to the lock base, and the lock core is inserted and cooperated with the lock tongue structure.

2. The battery compartment lock according to claim 1, characterized in that, The lock core can swing back and forth relative to the lock base.

3. A battery compartment lock according to claim 1 or 2, characterized in that, A long hole A extending in the front-back direction is formed on the lock base, and a fastener A is inserted through the long hole A to fixedly mount the lock base on the battery compartment body by the fastener A, and the fastener A is loosened to enable the lock base to move back and forth relative to the battery compartment body.

4. A battery compartment lock according to claim 1 or 2, characterized in that, A long hole B extending in the left-right direction is formed on the lock base, and a fastener B connected to the lock core is inserted through the long hole B to fixedly mount the lock core on the lock base by the fastener B, and the fastener B is loosened to enable the lock core to move left and right relative to the lock base.

5. A battery compartment lock according to claim 1 or 2, characterized in that, The lock core includes: A locking rod which is penetrated with the lock hole; and A swing rod which is connected to the side of the locking rod, and the bottom surface of the swing rod cooperating with the lock base is set as an arc portion so that the lock core can swing back and forth relative to the lock base.

6. The battery compartment lock according to claim 4, wherein The diameter of the screw B of the fastener B is D1, the length of the long hole B is L1, and the width of the long hole B is W1, wherein D1 < W1 < L1.

7. A battery compartment lock according to any one of claims 1-2, characterized in that, The lock tongue structure includes a screw rod, the lock hole is provided with internal threads, and the screw rod is in threaded fit connection with the lock hole.

8. A battery compartment lock according to any one of claims 1-2, characterized in that, A fastener C is threadedly fitted and connected along the radial direction of the lock hole on the side of the lock hole on the lock body structure, and the fastener C is screwed into the lock hole to radially lock the lock tongue structure inserted into the lock hole.

9. A battery compartment lock according to any one of claims 1-2, characterized in that, The head of the lock tongue structure is provided with a rounded corner, and the upper edge of the lock hole is provided with a chamfer.

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