Accommodating device for assisting battery taking and placing

Abstract

The utility model discloses an auxiliary battery taking and placing containing device, and relates to the technical field of electrical equipment, one end of an auxiliary pull rope is fixed at a first fixing position of a battery bin, the other end of the auxiliary pull rope is fixed at a second fixing position of a battery cover, two ends of the auxiliary pull rope are respectively limited, and the middle area of the auxiliary pull rope penetrates through a guide structure arranged on the side wall of the battery bin. The auxiliary pull rope can slide relative to the guide structure; as the guide structure and the first fixing position are respectively positioned on the two side walls of the battery compartment, the auxiliary pull rope between the first fixing position and the guide structure crosses the battery compartment, when the battery is placed in the battery compartment, the battery is contacted with and presses the auxiliary pull rope, and as the auxiliary pull rope crosses between the two side walls of the battery compartment, the auxiliary pull rope cannot cross the auxiliary pull rope; the situation that the auxiliary pull rope cannot be pressed downwards is fundamentally avoided, the auxiliary pull rope is pulled through the battery cover when the battery is taken out, and the battery is upwards lifted and moved out of the battery bin by means of the auxiliary pull rope.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electrical equipment, further relates to a kind of auxiliary battery taking and placing containing device. BACKGROUND

[0002] Battery is installed in battery compartment, provide power for product, the installation mode form of battery in product is various, usually there is the case of buckle hand position, finger can contact the end of battery and buckle outwards in buckle hand position, battery can be taken out more easily;But when the space of product is limited, the extra space left for battery is smaller, cannot leave buckle hand position, at this time, auxiliary pull rope is usually used to facilitate the battery to be taken out.

[0003] The existing auxiliary pull rope is generally fixed on one side of the battery compartment. When installing the battery, the auxiliary pull rope is first placed at the bottom of the battery compartment, then the battery is installed, and the auxiliary pull rope is stretched out from the other side of the battery compartment, leaking out of the battery or fixed to the battery cover. If the user fails to place the auxiliary pull rope at the bottom of the battery compartment in advance before installing the battery, the auxiliary pull rope will lose its function, and the battery will be difficult to take out. In addition, when the battery is taken out, the battery is often bounced and dropped because the auxiliary pull rope is pulled out too high.

[0004] For those skilled in the art, how to ensure that the battery is always pressed down when installing the battery is a technical problem to be solved at present. CONTENT OF THE UTILITY MODEL

[0005] The core of the utility model is to provide an auxiliary battery taking and placing containing device. A first fixing position and a guide structure are arranged on the battery compartment, so that the auxiliary pull rope can span the battery compartment, and the battery can always press down the auxiliary pull rope. The specific scheme is as follows:

[0006] An auxiliary battery taking and placing containing device includes a battery compartment, a battery cover, and an auxiliary pull rope. One end of the auxiliary pull rope is fixed to a first fixing position of the battery compartment, and the other end is fixed to a second fixing position of the battery cover. A guide structure is arranged on the side wall of the battery compartment, and the guide structure is used for the auxiliary pull rope to pass through. The first fixing position and the guide structure are respectively located on two side walls of the battery compartment.

[0007] The auxiliary pull rope between the first fixing position and the guide structure spans the battery compartment and is used for the battery to press down.

[0008] Optionally, the guide structure includes a first side window, a second side window, and a rope winding rib. The rope winding rib is located between the first side window and the second side window.

[0009] The auxiliary pull rope passes through the first side window and the second side window respectively, and is wound on the outer side surface of the rope winding rib.

[0010] Optionally, the position where the winding rod contacts the auxiliary pull rope is an arc-shaped curved surface.

[0011] Optionally, the auxiliary pull rope is a flat belt-shaped rope; the first side window and the second side window are respectively located above and below the winding rod.

[0012] Optionally, the inner surface of the battery compartment is provided with a recess for embedding the auxiliary pull rope.

[0013] Optionally, a limiting structure is arranged on the side wall of the battery compartment, which can be clamped with the shell to prevent the side wall of the battery compartment from being deformed.

[0014] Optionally, the first fixing position includes a fixing block and a third side window, and the fixing block is arranged on the outer side of the battery compartment.

[0015] The auxiliary pull rope can pass through the third side window and be connected with the fixing block.

[0016] Optionally, the size relationship of the height by which the battery is lifted by the auxiliary pull rope satisfies:

[0017] The ratio of the height H by which the battery is lifted to the length L of the battery is consistent with the ratio of the height H1 of the lowest point of contact between the width center line of the auxiliary pull rope and the battery to the distance L1 from the lowest point of contact between the width center line of the auxiliary pull rope and the battery to the end of the battery compartment that is not lifted, and is consistent with the ratio of the sum of the height dimension H2 of the third side window from the bottom of the battery compartment and the height dimension H3 of the second side window from the bottom of the battery compartment to twice the distance L1 from the lowest point of contact between the width center line of the auxiliary pull rope and the battery to the end of the battery compartment that is not lifted.

[0018] Optionally, the second fixing position is a fixing plate fixed to the battery cover by a screw to press the auxiliary pull rope.

[0019] And / or, the inner surface of the battery cover is provided with a flexible layer for pressing on the surface of the battery.

[0020] Optionally, buckles are arranged at both ends of the battery cover for clamping and fixing with the clamping grooves arranged on the shell.

[0021] The utility model provides a kind of auxiliary battery taking and placing containing device, one end of auxiliary pull rope is fixed in the first fixed position of battery compartment, the other end is fixed in the second fixed position of battery cover, the two ends of auxiliary pull rope are limited respectively, the middle region of auxiliary pull rope passes through the guide structure of battery compartment side wall setting, auxiliary pull rope can slip relative to guide structure;Since guide structure and first fixed position are located in the two side walls of battery compartment, therefore, the auxiliary pull rope between first fixed position and guide structure spans battery compartment, when battery is placed in battery compartment, battery contacts and presses down auxiliary pull rope, since auxiliary pull rope spans between the two side walls of battery compartment, therefore, it cannot cross auxiliary pull rope, fundamentally avoids the situation that auxiliary pull rope cannot be pressed down, when battery is taken out, auxiliary pull rope is pulled by battery cover, battery is lifted upwards by auxiliary pull rope and moves out of battery compartment. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the drawings needed to be used in the embodiment or prior art description will be simply introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can also be obtained according to these drawings without creative labor for ordinary skilled in the art.

[0023] Figure 1 It is the auxiliary battery taking and placing containing device battery put-in state of the utility model for the axon measurement diagram of;

[0024] Figure 2 It is the auxiliary battery taking and placing containing device battery take-out state of the utility model for the axon measurement diagram of;

[0025] Figure 3 It is the axon measurement diagram of battery compartment first view;

[0026] Figure 4 It is the axon measurement diagram of battery compartment second view;

[0027] Figure 5 It is the section view of battery compartment and auxiliary pull rope cooperation;

[0028] Figure 6 It is the relative size relationship schematic diagram between auxiliary pull rope position and battery lifting height.

[0029] In the drawing, it includes:

[0030] Battery compartment 1, first fixed position 11, fixed block 111, third side window 112, guide structure 12, first side window 121, second side window 122, winding rope 123, avoiding recess 13, limiting structure 14, battery cover 2, second fixed position 21, buckle 22, auxiliary pull rope 3, shell 4, clamping groove 41, battery A. DETAILED DESCRIPTION

[0031] To enable those skilled in the art to better understand the technical solution of this utility model, the auxiliary battery loading and unloading device of this utility model will be described in detail below with reference to the accompanying drawings and specific embodiments.

[0032] Combination Figure 1 , Figure 2 As shown, this utility model provides an auxiliary battery placement and storage device, including a battery compartment 1, a battery cover 2, and an auxiliary pull cord 3. The battery compartment 1 is used to hold a battery A. The battery compartment 1 has metal contacts that make conductive contact with the positive and negative terminals of the battery; typically, one end is a metal sheet and the other end is a spring to ensure effective electrical connection. The battery compartment 1 can hold one battery A or two or more batteries to supply power to electrical loads and meet power requirements. The battery cover 2 is used to cover the exposed portion of battery A. The battery cover 2 and the battery compartment 1 together enclose and protect battery A. The battery cover 2 can be fixedly fitted to the battery compartment 1 or to the outer casing 4.

[0033] The auxiliary pull cord 3 is made of a flexible material, which can be made of elastic or non-elastic materials, such as nylon, polyester, blended fabrics, or thermoplastic elastomers. The auxiliary pull cord 3 can deform under external pressure. One end of the auxiliary pull cord 3 is fixed to the first fixing position 11 of the battery compartment 1, and the other end is fixed to the second fixing position 21 of the battery cover 2. The two ends of the auxiliary pull cord 3 are fixed to the battery compartment 1 and the battery cover 2 respectively, which can ensure that the battery cover 2 cannot be completely detached from the battery compartment 1, thereby preventing the battery cover 2 from being lost.

[0034] A guide structure 12 is provided on the side wall of the battery compartment 1. The guide structure 12 is used for the auxiliary pull rope 3 to pass through. The auxiliary pull rope 3 passes through the guide structure 12 and can slide relative to the guide structure 12. That is, the auxiliary pull rope 3 must pass through the guide structure 12, but the guide structure 12 and the auxiliary pull rope 3 have no relatively fixed relationship. The guide structure 12, as a node of the auxiliary pull rope 3, plays a role in positional constraint on the auxiliary pull rope 3. No matter how the auxiliary pull rope 3 moves, it must always pass through the guide structure 12.

[0035] The first fixing position 11 and the guide structure 12 are respectively located at two side walls of the battery compartment 1. Under the constraint of the first fixing position 11 and the guide structure 12, a part of the auxiliary pull rope 3 is arranged to cross the battery compartment 1. The first fixing position 11 and the guide structure 12 should be spaced from the bottom surface of the inner cavity of the battery compartment 1 to ensure that the part of the auxiliary pull rope 3 between the first fixing position 11 and the guide structure 12 is spaced from the bottom surface of the inner cavity of the battery compartment 1 when the auxiliary pull rope 3 is straightened, and the battery A can be lifted by a distance. The auxiliary pull rope 3 between the first fixing position 11 and the guide structure 12 crosses the battery compartment 1 and is used for pressing the battery downward. When the battery A is placed in the battery compartment 1, the battery A cannot pass the auxiliary pull rope 3, and the outer surface of the battery A must contact the auxiliary pull rope 3. The battery A exerts pressure on the auxiliary pull rope 3, and the auxiliary pull rope 3 is deformed and pressed into the gap between the battery A and the battery compartment 1. Regardless of the state, the auxiliary pull rope 3 always crosses the two side walls of the battery compartment 1. When the user installs the battery, the auxiliary pull rope 3 can always be pressed downward by the battery A, thereby avoiding the condition that the battery cannot be taken out. Compared with the straight tension state of the auxiliary pull rope 3 between the first fixing position 11 and the guide structure 12, the length of the auxiliary pull rope 3 between the first fixing position 11 and the guide structure 12 increases after the auxiliary pull rope 3 is pressed downward by the battery A, and the length of the auxiliary pull rope 3 between the guide structure 12 and the battery cover 2 shortens. The battery cover 2 is closer to the battery compartment 1, which is more convenient for the final fixation of the battery cover 2, and the auxiliary pull rope 3 can be better hidden in the space formed by the battery cover 2 and the battery compartment 1.

[0036] When the battery needs to be taken out, the battery cover 2 is first opened from the battery compartment 1, and the battery cover 2 is driven away from the battery compartment 1. The battery cover 2 pulls the auxiliary pull rope 3, and the auxiliary pull rope 3 slides relative to the guide structure 12 until the auxiliary pull rope 3 between the first fixing position 11 and the guide structure 12 reaches the tension state. During the process that the auxiliary pull rope 3 between the first fixing position 11 and the guide structure 12 is pulled upward, the battery A is lifted upward from the battery compartment 1, thereby playing a role of assisting in taking out the battery A. When the auxiliary pull rope 3 between the first fixing position 11 and the guide structure 12 is tensioned, the auxiliary pull rope 3 is not completely pulled out of the battery compartment 1 under the constraint of the first fixing position 11 and the guide structure 12. The highest point of the tensioned part of the auxiliary pull rope 3 between the first fixing position 11 and the guide structure 12 is lower than the upper edge of the battery compartment 1, so as to prevent the battery from being lifted too high, and thus the battery A will not be bounced out of the battery compartment 1, thereby improving the experience of the user.

[0037] It should be noted that the height of the first fixed position 11 and the height of the guide structure 12 can be equal or not equal, and the line connecting the first fixed position 11 and the guide structure 12 is the height of the battery A being lifted upward. When the auxiliary pull rope 3 is tensioned, the part of the auxiliary pull rope 3 between the first fixed position 11 and the guide structure 12 lifts the battery A upward by a height of at least half the diameter of the battery A.

[0038] In combination Figure 3 , Figure 4 shown, wherein the guide structure 12 includes a first side window 121, a second side window 122, and a rope winding rib 123. The rope winding rib 123 is a solid rod structure, and the first side window 121 and the second side window 122 are through channels provided on the side wall of the battery compartment 1. The rope winding rib 123 is located between the first side window 121 and the second side window 122 and protrudes outward from the side wall of the battery compartment 1. The first side window 121 and the second side window 122 are two relatively independent channels, and the first side window 121 and the second side window 122 can be passed through by the auxiliary pull rope 3. The auxiliary pull rope 3 passes through the first side window 121 and the second side window 122, respectively, that is, the auxiliary pull rope 3 needs to pass through the first side window 121 and the second side window 122 in turn and be wound on the outer surface of the rope winding rib 123. In combination Figure 5 shown, wherein the cooperation relationship between the auxiliary pull rope 3 and the battery compartment 1 is shown. The left end of the auxiliary pull rope 3 is fixed by the first fixed position 11, and the right end of the auxiliary pull rope 3 passes through the second side window 122 from inside to outside and then passes through the first side window 121 from outside to inside, and then is led out upward and connected to the battery cover 2, with the inner cavity space of the battery compartment 1 as the inside and the outside as the outside. The second side window 122 and the first side window 121 are both horizontally through and vertically through the side wall of the battery compartment 1. The auxiliary pull rope 3 between the second side window 122 and the first side window 121 contacts the surface of the rope winding rib 123, mainly contacting the outer surface, the upper surface, and the lower surface of the rope winding rib 123, and the auxiliary pull rope 3 does not contact the inner surface of the rope winding rib 123 facing the inner cavity of the battery compartment 1. When the auxiliary pull rope 3 passes through the second side window 122 and the first side window 121, a 180° directional change is formed. By providing the second side window 122 and the first side window 121, the auxiliary pull rope 3 is passed in and out from the inside of the battery compartment 1, and there is no need to provide a structure on the shell 4 to lead out the auxiliary pull rope 3.

[0039] In combination Figure 5 shown, the position where the rope winding rib 123 contacts the auxiliary pull rope 3 is an arc-shaped curved surface, and there is no sharp corner, which reduces the wear of the auxiliary pull rope 3 and helps the auxiliary pull rope 3 to smoothly slide in the second side window 122 and the first side window 121.

[0040] On the basis of any of the above technical solutions and the mutual combination thereof, the auxiliary pull rope 3 is a flat strip-shaped rope, the auxiliary pull rope 3 has a large width, and forms a curved surface contact with the battery A. The first side window 121 and the second side window 122 are located above and below the winding rope 123 respectively, the first side window 121 is above, the second side window 122 is below, and the auxiliary pull rope 3 does not twist. In addition to the flat strip-shaped rope, the auxiliary pull rope 3 can also be a thin rope in strands, at this time, the first side window 121 and the second side window 122 do not require to be distributed in an up-down manner, but also can be distributed in a left-right manner; the auxiliary pull rope 3 adopts a strip-shaped flat structure, and the battery A is directly inserted below the auxiliary pull rope 3, which is more difficult.

[0041] As shown in Figure 1 , As shown in Figure 2 , the auxiliary pull rope 3 is not located at the middle of the entire battery compartment 1, but is deviated to one end of the battery compartment 1, when the auxiliary pull rope 3 is pulled outwards to pull out the battery A, only one end of the battery A is lifted upwards, and the other end of the battery A is still located in the middle of the battery compartment 1, one end is still limited by the side wall of the battery compartment 1, thereby reducing the probability that the battery A is accidentally detached from the battery compartment 1. The auxiliary pull rope 3 is strip-shaped and has a certain width, and the auxiliary pull rope 3 is arranged at about 1 / 2~1 / 4 of the length of the battery compartment 1, so that the end of the battery A is not easily inserted from the lower part of the auxiliary pull rope 3, and it is ensured that the auxiliary pull rope 3 can always be pressed down by the battery A.

[0042] As shown in Figure 3 , As shown in Figure 4 , the inner surface of the battery compartment 1 is provided with a avoiding groove 13, the avoiding groove 13 is a recessed structure arranged on the inner surface of the battery compartment 4, and is located on the two side walls and the bottom surface of the battery compartment 1 respectively, the avoiding groove 13 is used for embedding the auxiliary pull rope 3, when the battery A presses down the auxiliary pull rope 3, the auxiliary pull rope 3 enters the avoiding groove 13, so that the surface of the battery A can contact the inner surface of the battery compartment 1, to prevent the pressing from being out of position.

[0043] The side wall of the battery compartment 1 is provided with a limiting structure 14, the limiting structure 14 can be clamped and matched with the shell 4, and is used for preventing the side wall of the battery compartment 1 from being deformed. As shown in Figure 3 , As shown in Figure 4 , the limiting structure 14 is a convex rib arranged on the upper edges of the two side walls of the battery compartment 1, the convex rib is located in the middle region of the two side walls, the convex rib can be clamped into the shell 4, so that the middle positions of the two side walls can be relatively fixed with the shell 4, and the elastic deformation of the middle of the side wall of the battery compartment 1 when the auxiliary pull rope 3 is pulled out can be prevented. In addition to the convex rib, the limiting structure 14 can also be provided as a groove structure, and these specific setting forms should be included in the protection scope of the utility model.

[0044] As shown in Figure 5As shown, the first fixing position 11 includes a fixing block 111 and a third side window 112, the fixing block 111 is arranged at the outer side of the battery compartment 1, the thickness of the fixing block 111 is greater than the thickness of other positions of the side wall of the battery compartment 1, and the fixing block 111 can be provided with a mounting screw. The third side window 112 is a through channel structure, the auxiliary pull rope 3 can pass through the third side window 112 and be fixed to the fixing block 111, and the fixing mode can adopt screw connection. The auxiliary pull rope 3 is fixed to the outer side of the battery compartment 1 by the screw, that is, in the space formed by the battery compartment 1 and the shell 4, the space cannot be directly observed by the user, which is helpful to improve the neatness of the inside of the battery compartment 1.

[0045] In combination Figure 5 , Figure 6 As shown, the size relationship of the height by which the battery is lifted by the auxiliary pull rope 3 satisfies the following relationship, that is, the battery can be pulled out and will not be bounced out too high:

[0046] The three ratios are consistent, preferably equal, the ratio of the height H by which the end of the battery is lifted to the length L of the battery is equal to the ratio of the height H1 of the middle line of the width of the auxiliary pull rope 3 and the lowest point of the battery contact to the distance L1 of the middle line of the width of the auxiliary pull rope 3 and the lowest point of the battery contact from the end of the battery compartment that is not lifted, and is equal to the ratio of the sum of the height dimension H2 of the third side window 112 from the bottom of the battery compartment and the height dimension H3 of the second side window 122 from the bottom of the battery compartment to twice the distance L1 of the middle line of the width of the auxiliary pull rope 3 and the lowest point of the battery contact from the end of the battery compartment that is not lifted.

[0047] The formula is as follows:

[0048] ;

[0049] Wherein:

[0050] H=the height by which the end of the battery is lifted; Figure 6 When the right end of the battery A is lifted by a height H.

[0051] L=the length of the battery; that is, the length of the battery along its axis.

[0052] H1=the height of the middle line of the width of the auxiliary pull rope 3 and the lowest point of the battery contact; the middle line of the width of the auxiliary pull rope 3 and the battery contact form an arc, and the height of the lowest point of the arc is H1.

[0053] L1=the distance of the middle line of the width of the auxiliary pull rope 3 and the lowest point of the battery contact from the end of the battery compartment that is not lifted; the middle line of the width of the auxiliary pull rope 3 and the battery contact form an arc, and the distance of the lowest point of the arc from the left end of the battery is L1.

[0054] H2= the height dimension of the third side window 112 from the bottom of the battery compartment 1; taking the highest point of the third side window 112 as the height between the inner bottom surface of the battery compartment 1.

[0055] H3= the height dimension of the second side window 122 from the bottom of the battery compartment 1; taking the highest point of the second side window 122 as the height between the inner bottom surface of the battery compartment 1.

[0056] As shown in the drawings, the second fixing position 21 is a fixed plate, which is fixed to the battery cover 2 by screws, and the auxiliary pull rope 3 is pressed by the extrusion of the fixed plate and the battery cover 2. Figure 1 Figure 2 As shown in the drawings, the second fixing position 21 is a fixed plate, which is fixed to the battery cover 2 by screws, and the auxiliary pull rope 3 is pressed by the extrusion of the fixed plate and the battery cover 2.

[0057] Further, the utility model discloses a flexible layer on the inner surface of the battery cover 2, which is used to press the surface of the battery A, and when the battery cover 2 is fixed in place, the battery cover 2 extrudes the battery to ensure that the battery A cannot move in the battery compartment 1.

[0058] As shown in the drawings, the two ends of the battery cover 2 are respectively provided with buckles 22, which are used to be clamped and fixed with the clamping grooves 41 provided on the shell 4, and when the battery cover 2 is clamped and fixed, the battery cover 2 covers and shields the exposed part of the battery A, the outer surface of the battery cover 2 is flush with the outer surface of the shell 4, forming a flat surface. Figure 1 Figure 2 As shown in the drawings, the two ends of the battery cover 2 are respectively provided with buckles 22, which are used to be clamped and fixed with the clamping grooves 41 provided on the shell 4, and when the battery cover 2 is clamped and fixed, the battery cover 2 covers and shields the exposed part of the battery A, the outer surface of the battery cover 2 is flush with the outer surface of the shell 4, forming a flat surface.

[0059] The utility model discloses a first fixing position 11 and guide structure 12 mutual cooperation design, always ensure that the battery can press down auxiliary pull rope 3, fundamentally avoid the situation that the battery cannot be taken out, convenient for user to take and place battery.

[0060] The above description of the disclosed embodiments enables a person skilled in the art to implement or use the utility model. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the utility model. Therefore, the utility model will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.​​

Claims

1. An auxiliary battery pick-and-place housing device, comprising: The battery compartment (1), the battery cover (2), the auxiliary pull rope (3), one end of the auxiliary pull rope (3) is fixed to the first fixed position (11) of the battery compartment (1), the other end is fixed to the second fixed position (21) of the battery cover (2); The side wall of the battery compartment (1) is provided with a guide structure (12), and the guide structure (12) is used for the auxiliary pull rope (3) to pass through; The first fixed position (11) and the guide structure (12) are respectively located on the two side walls of the battery compartment (1); The auxiliary pull rope (3) between the first fixed position (11) and the guide structure (12) spans the battery compartment (1), which is used for the battery to be pressed down.

2. The auxiliary battery take-in / out housing device according to claim 1, characterized by The guide structure (12) includes a first side window (121), a second side window (122) and a rope winding rib (123), and the rope winding rib (123) is located between the first side window (121) and the second side window (122); The auxiliary pull rope (3) passes through the first side window (121) and the second side window (122) respectively, and is wound on the outer surface of the rope winding rib (123).

3. The auxiliary battery take-in / out housing device according to claim 2, characterized by The position where the rope winding rib (123) contacts the auxiliary pull rope (3) is an arc curved surface.

4. The auxiliary battery take-in / out housing device according to claim 2 or 3, characterized by The auxiliary pull rope (3) is a flat belt rope; The first side window (121) and the second side window (122) are respectively located above and below the rope winding rib (123).

5. The auxiliary battery take-in / out housing device according to claim 4, characterized by The inner surface of the battery compartment (1) is provided with a avoiding recess (13), and the avoiding recess (13) is used for embedding the auxiliary pull rope (3).

6. The auxiliary battery take-in / out housing device according to claim 4, characterized by The side wall of the battery compartment (1) is provided with a limiting structure (14), which can be matched with the shell (4) to prevent the side wall of the battery compartment (1) from being deformed.

7. The auxiliary battery take-in / out housing device according to claim 4, characterized by The first fixed position (11) includes a fixed block (111) and a third side window (112), and the fixed block (111) is arranged on the outer side of the battery compartment (1); The auxiliary pull rope (3) can pass through the third side window (112) and be connected with the fixed block (111).

8. The auxiliary battery take-in / out housing device according to claim 7, characterized by The size relationship of the height of the battery lifted by the auxiliary pull rope (3) satisfies: The ratio of the height H of the battery end lifted to the length L of the battery is consistent with the ratio of the height H1 of the lowest point of the battery contacted by the width center line of the auxiliary pull rope (3) to the distance L1 from the lowest point of the battery contacted by the width center line of the auxiliary pull rope (3) to the end of the battery compartment not lifted, and the sum of the height dimension H2 of the third side window (112) from the bottom of the battery compartment and the height dimension H3 of the second side window (122) from the bottom of the battery compartment is consistent with the ratio of twice the distance L1 of the lowest point of the battery contacted by the width center line of the auxiliary pull rope (3) to the end of the battery compartment not lifted.

9. The auxiliary battery take-in / out housing device according to claim 4, characterized by The second fixed position (21) is a fixed plate, which is fixed to the battery cover (2) by screws to press the auxiliary pull rope (3); And / or, the inner surface of the battery cover (2) is provided with a flexible layer for pressing on the surface of the battery.

10. The auxiliary battery take-in / out housing device according to claim 4, characterized by The two ends of the battery cover (2) are respectively provided with buckles (22) for clamping and fixing with the clamping grooves (41) provided on the shell (4).

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