CN219717118U

CN219717118U - Battery fixing plug and underwater battery cabin

Info

Publication number: CN219717118U
Application number: CN202321314762.XU
Authority: CN
Inventors: 王瀚森
Original assignee: Smart Ocean Technology Co ltd
Current assignee: Smart Ocean Technology Co ltd
Priority date: 2023-05-25
Filing date: 2023-05-25
Publication date: 2023-09-19
Anticipated expiration: 2033-05-25

Abstract

The utility model relates to the technical field of underwater equipment, in particular to a battery fixing plug and an underwater battery cabin. The battery fixing plug comprises a fixing plug assembly and an elastic piece; the fixed plug assembly is provided with a wiring hole and is detachably connected with the inner side wall of the battery compartment; the elastic pad is connected to one side of the fixed plug assembly, which faces towards the battery module arranged in the battery compartment, and is used for extruding and fixing the battery module. The underwater battery cabin body comprises a cabin barrel and the battery fixing plug; a battery module is arranged in a battery cabin of the cabin barrel; the battery fixing plug is detachably arranged in the battery compartment and is positioned between the battery module and the end cover of the compartment cylinder and used for extruding and fixing the battery module. The battery fixing plug can replace a traditional fixing frame to stably install the battery module, namely, the battery storage capacity of the battery compartment can be improved while the weight of the battery compartment is reduced.

Description

Battery fixing plug and underwater battery cabin

Technical Field

The utility model relates to the technical field of underwater equipment, in particular to a battery fixing plug and an underwater battery cabin.

Background

The battery compartment of the underwater equipment is an important component of the underwater equipment and provides electric energy for a propulsion system, a navigation system, a data acquisition system, a control system and the like. Currently, the underwater battery compartment generally comprises a compartment barrel with a battery compartment and a fixing frame arranged in the battery compartment and used for stabilizing the battery module. The arrangement of the fixing frame can play a role in stabilizing the battery module, but inevitably occupies the space of the battery compartment, and the weight of the battery compartment body is increased. On the premise that the battery compartment of the compartment cylinder has a certain volume, the electricity storage capacity of the battery compartment can be reduced due to the existence of the fixing frame.

Disclosure of Invention

The utility model provides a battery fixing plug and an underwater battery compartment body, which are used for solving the problems that a fixing frame in a battery compartment in the prior art can increase the weight of the battery compartment body and occupy the space of the battery compartment.

The utility model provides a battery fixing plug, comprising:

the fixed plug assembly is provided with a wiring hole and is detachably connected with the inner side wall of the battery compartment;

and the elastic pad is connected to one side of the fixed plug assembly, which faces the battery module, and is used for extruding and fixing the battery module arranged in the battery compartment.

According to the present utility model, there is provided a battery fixing plug, the fixing plug assembly comprising:

the bottom plate is provided with the wiring holes, and one side of the bottom plate, facing the battery module, is connected with the elastic pad;

the handheld part is connected to one side of the bottom plate, which is away from the battery module.

According to the battery fixing plug provided by the utility model, the battery fixing plug further comprises:

the connecting piece is connected to the handheld part and is detachably connected with the inner side wall of the battery compartment.

According to the battery fixing plug provided by the utility model, the connecting piece comprises a boss and a groove; one side of the handheld part facing to the inner side wall of the battery compartment and one of the inner side wall of the battery compartment are provided with the boss, and the other side is correspondingly provided with the groove.

According to the battery fixing plug provided by the utility model, the material of the handheld part is plastic; the number of the handheld parts is two, and the two handheld parts are positioned at two sides of the wiring hole; and a disassembly groove is formed in one side, away from the bottom plate, of each handheld part.

According to the battery fixing plug provided by the utility model, the bottom plate is made of plastic; the bottom plate and the handheld portions are integrally formed, and the side face of the bottom plate, which faces the inner side wall of the battery compartment, and the side face of each handheld portion, which faces the inner side wall of the battery compartment, are coplanar.

According to the battery fixing plug provided by the utility model, the battery fixing plug further comprises a fastening assembly; the fastening component is connected between the two handheld parts and used for fixing the two handheld parts on the inner side wall of the battery compartment.

According to the battery fixing plug provided by the utility model, the fastening assembly comprises a screw rod and a positioning nut in threaded connection with the screw rod;

at least one positioning through hole is formed in each of the two handheld parts, two ends of the screw rod are fixed in the corresponding positioning through holes one by one through the positioning nuts, and the screw rod is parallel to a connecting line of the centers of the two handheld parts.

According to the battery fixing plug provided by the utility model, the length L of the screw rod meets the following conditions: l (L) ₁ ＜L＜L ₂ Wherein L is ₁ Is the minimum distance between the positioning through holes of the two handholds; l (L) ₂ Is the maximum distance between the positioning through holes of the two handpieces.

The utility model also provides an underwater battery compartment body, which comprises:

the cabin barrel is internally provided with a battery cabin; a battery module is arranged in the battery compartment;

the battery fixing plug of any one of the above claims, detachably mounted in the battery compartment and located between the battery module and an end cap of the cartridge.

According to the battery fixing plug and the underwater battery compartment body, the battery module can be stably installed in the battery compartment through the detachable connection of the fixing plug assembly and the inner side wall of the battery compartment and the extrusion fixing of the elastic pad to the battery module. The battery fixing plug can replace the traditional fixing frame to stably mount the battery module, and after the battery fixing plug is adopted, the battery module is not required to be fixed by using the fixing frame on one hand, and at least the battery module with larger circumference (the size of the battery module is generally about large, the more the electricity storage capacity of the battery module is), namely, the weight of the battery compartment is reduced, and the electricity storage capacity of the battery compartment is improved.

Drawings

In order to more clearly illustrate the utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of a battery fixing plug according to an embodiment of the present utility model;

fig. 2 is a schematic top view of the battery fixing plug shown in fig. 1;

FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2;

fig. 4 is a schematic perspective view of an underwater battery compartment according to an embodiment of the present utility model;

FIG. 5 is a schematic cross-sectional view of the underwater battery compartment shown in FIG. 4

Fig. 6 is an enlarged view at B in fig. 5.

Reference numerals:

10. a battery fixing plug; 20. a cabin tube; 30. a battery module; 40. a watertight joint; 50. a protection part;

11. a fixed plug assembly; 12. an elastic pad; 13. a screw; 14. positioning a nut; 21. a pod; 22. an upper end cap; 23. a lower end cap; 24. a 0-shaped sealing ring; 25. countersunk head screws; 51. a protection space;

111. a wiring hole; 112. a bottom plate; 113. a hand-held part;

1131. a dismantling groove; 1132. positioning the through hole; 1141. a boss.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the embodiments of the present utility model, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the embodiments of the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present utility model.

In describing embodiments of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "coupled," "coupled," and "connected" should be construed broadly, and may be either a fixed connection, a removable connection, or an integral connection, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in embodiments of the present utility model will be understood in detail by those of ordinary skill in the art.

In embodiments of the utility model, unless expressly specified and limited otherwise, a first feature "up" or "down" on a second feature may be that the first and second features are in direct contact, or that the first and second features are in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description herein, reference to the terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

The embodiment of the present utility model provides a battery fixing plug 10 which can be detachably mounted in a battery compartment for packaging a battery module 30 in the battery compartment, i.e., the battery fixing plug 10 of the present embodiment can stably mount the battery module 30 in the battery compartment instead of a conventional fixing frame. As shown in fig. 1 to 3, a battery fixing plug 10 of an embodiment of the present utility model includes a fixing plug assembly 11 and an elastic pad 12; the fixed plug assembly 11 is formed with a routing hole 111, and the routing hole 111 is at least used for connecting an external cable with an electrode of the battery module 30 after passing through. The elastic pad 12 is connected to a side of the fixing plug assembly 11 facing the battery module 30, and the elastic pad 12 is used for pressing and fixing the battery module 30. When in use, the elastic pad 12 not only plays a role in pressing and fixing the battery module 30, but also plays a role in protecting the battery module 30, and prevents hard parts from damaging the battery module 30.

When the battery module 30 is installed in the battery compartment, the battery fixing plug 10 of the embodiment is also installed in the battery compartment, and the elastic pad 12 directly contacts with the battery module 30 to realize extrusion fixing of the battery module 30; and finally, closing the battery compartment. Obviously, the battery fixing plug 10 of this embodiment can replace the traditional fixing frame to realize the stable installation to the battery module 30, under the certain prerequisite of the volume of battery compartment, after adopting the battery fixing plug 10 of this embodiment, on the one hand no longer need use the fixing frame to fix the battery module 30, on the other hand can place the battery module 30 that the girth is bigger at least in the battery compartment (generally the size of the battery module 30 is about big, the more its electricity storage capacity is, the electricity storage capacity of battery compartment has been improved when reducing the weight of battery compartment body promptly.

In a specific embodiment, the material of the fixing plug assembly 11 is at least three selected as follows:

first kind: the fixing plug assembly 11 is made of a material such as metal which cannot be elastically deformed. The term "material which cannot be elastically deformed" refers to a material which cannot be visually recognized as deformed when subjected to a manual force (for example, by a human hand pinching or by a tool or the like), and does not refer to a material which cannot be elastically deformed at all.

Second kind: the fixing plug assembly 11 is made of plastic, rubber or other material capable of undergoing elastic deformation. The material capable of elastically deforming is a material which can be obviously deformed by naked eyes under the condition of being subjected to artificial force and can recover deformation after the acting force is removed. In the embodiment, the material of the fixing plug assembly 11 is a plastic, rubber or other material capable of elastic deformation, unless otherwise specified. The material of the fixed plug assembly 11 is preferably plastic.

Third kind: the fixing plug assembly 11 includes an inner layer body and a wrapping layer wrapping outside the inner layer body. The inner layer body is made of plastic, rubber and other materials capable of undergoing elastic deformation; the wrapping layer is made of metal or other material incapable of undergoing elastic deformation. The understanding of the "material capable of elastic deformation" and the "material incapable of elastic deformation" herein is the same as that described above.

In the embodiment of the present utility model, the elastic pad 12 is preferably made of foam. The foam is foamed material of plastic particles, and is called foam for short. The foam has a series of characteristics of elasticity, light weight, quick pressure-sensitive fixation, convenient use, free bending, ultrathin volume, reliable performance and the like.

In some embodiments, the fixing plug assembly 11 is made of metal, the side surface of the fixing plug assembly 11 facing the inner side wall of the battery compartment is provided with external threads, the inner side wall of the corresponding battery compartment is provided with internal threads, and the external threads and the internal threads are matched to enable the fixing plug assembly 11 to be screwed into and out of the battery compartment. After the fixing plug assembly 11 is screwed into the battery compartment, the elastic pad 12 presses the fixing battery module 30.

Because the elastic pad 12 is disposed at the bottom of the fixed plug assembly 11, the extrusion force between the elastic pad 12 and the battery module 30 will be greater and greater during the process of screwing the fixed plug assembly 11 into the battery compartment, so as to avoid the problem that the elastic pad 12 is dislocated along with the screwing of the fixed plug assembly 11, the bottom of the fixed plug assembly 11 is provided with a mounting groove, and the elastic pad 12 is at least partially disposed in the mounting groove.

In other embodiments, the retainer plug assembly 11 includes an inner layer body and a wrapping layer wrapped around the inner layer body. The inner layer body is made of plastic, rubber and other materials capable of undergoing elastic deformation; the wrapping layer is made of metal. The inner layer body is made of plastic, rubber and the like, and can be elastically deformed, once the inner layer body is screwed into the battery compartment, the inner side wall of the battery compartment forms radial extrusion force on the inner layer body, so that the inner layer body is deformed, and further, a better sealing effect on the battery compartment can be achieved. The circumference of parcel layer is equipped with the external screw thread, and the inside wall of battery compartment is equipped with the internal screw thread, and external screw thread and internal screw thread cooperate and make fixed stopper subassembly 11 can screw in and unscrew the battery compartment.

In an embodiment of the present utility model, the fixed plug assembly 11 includes a base plate 112 and a hand grip 113. The bottom plate 112 is provided with a wiring hole 111, one side surface of the bottom plate 112 facing the battery module 30 is connected with an elastic pad 12, and one side surface of the bottom plate 112 facing away from the battery module 30 is connected with a handheld part 113. The shape of the routing hole 111 may be circular, polygonal, etc., and the shape of the routing hole 111 is not limited.

The number of the hand-held portions 113 may be one or plural, and the specific number is not limited. When the number of the holding parts 113 is one, the holding parts 113 are connected to the upper end surface of the bottom plate 112 (the side surface of the bottom plate 112 facing away from the battery module) as close as possible to the center, so that the holding is convenient for the holding to detach or mount the fixing plug assembly 11. The hand-held portion 113 is mounted in a position to facilitate disassembly or assembly. For example, if the fixed plug assembly 11 is threadedly mounted in the battery compartment, the mounting location of the hand-held portion 113 may be sufficient to facilitate hand-holding to threadedly remove or mount the fixed plug assembly 11. For example, if the fixed plug assembly 11 is plugged into the battery compartment, the mounting position of the hand-held portion 113 needs to be sufficient for easy hand-holding to pull the fixed plug assembly 11 out of the battery compartment or to plug the fixed plug assembly 11 into the battery compartment.

In an embodiment of the present utility model, the battery fixing plug 10 further includes a connection member; the connecting piece is connected to the handheld portion 113 and is also detachably connected with the inner side wall of the battery compartment. Namely, the detachable connection between the fixed plug assembly 11 and the inner side wall of the battery compartment is achieved by the connection member. The specific form of the connector is not limited, and the connector may be designed according to the structure and material of the fixing plug assembly 11. For example, if the attachment plug assembly 11 is threaded with the inside wall of the battery compartment, the connector includes external threads and internal threads. If the fixing plug assembly 11 is in snap connection with the inner side wall of the battery compartment, the connecting piece comprises a male buckle and a female buckle. If there is a connection between the boss 1141 and the recess between the fixed plug assembly 11 and the inner side wall of the battery compartment, the connector includes the boss 1141 and the recess.

In the embodiment of the present utility model, the material of the hand-hold portion 113 is plastic; the number of the handheld parts 113 is two, the two handheld parts 113 are positioned at two sides of the wiring hole 111, and for convenience of use, the two handheld parts 113 are symmetrical relative to the center of the wiring hole 111; a detaching groove 1131 is formed in one side, away from the bottom plate 112, of each handheld part 113; the outer side walls of the two holding parts 113 are detachably connected with the inner side walls of the battery compartment through connecting pieces. In use, two fingers or tools are inserted into the two detachment grooves 1131, respectively, and the hand-held portion 113 is held at this time; the fixed plug assembly 11 is then removed or installed depending on the particular form of the connector.

There are at least two positional relationships between the hand-held portion 113 and the bottom plate 112: one is that a step is formed between the outer sidewall of the hand-held portion 113 and the edge of the bottom plate 112; alternatively, the outer edge of the bottom plate 112 is coplanar with the side of each of the hand-held portions 113 facing the inner side wall of the battery compartment.

In the embodiment of the utility model, the bottom plate 112 is also made of plastic, the bottom plate 112 and the holding portions 113 are integrally formed, and the side surface of the bottom plate 112 facing the inner side wall of the battery compartment is coplanar with the side surface of each holding portion 113 facing the inner side wall of the battery compartment. In a specific embodiment, the shapes of the base plate 112 and the hand-held portion 113 are not limited. Preferably, the bottom plate 112 is a circular plate, and the projection of the holding portion 113 on the bottom plate 112 is a sector, wherein the arc length corresponds to the outer side surface of the holding portion 113 (the side surface of the holding portion 113 facing the inner side wall of the battery compartment). This is designed to match a battery compartment having a cylindrical shape.

When in use, two fingers or tools are respectively inserted into the two dismounting grooves 1131, and then the handheld part 113 is forcefully deformed towards the center of the wiring hole 111 until the handheld part 113 is separated from the inner side wall of the battery compartment; and finally, the battery fixing plug is pulled out of the battery compartment, and the disassembly of the battery fixing plug is completed.

In an embodiment of the utility model, the connector includes a boss 1141 and a recess; one of the outer side surface of the hand-held part 113 and the inner side wall of the battery compartment is provided with a boss 1141, and the other is correspondingly provided with a groove. The boss 1141 is formed on the outer side wall of the hand-held portion 113. When it is necessary to remove the battery fixing plug 10 from the battery compartment of the battery compartment, first, two fingers or a detaching tool are inserted into the two detaching grooves 1131, respectively; then, the two hand-held parts 113 are forcefully moved towards the center of the wiring hole 111, so that the hand-held parts 113 deform until the boss 1141 is separated from the groove; finally, the battery fixing plug 10 is moved out of the battery compartment. When it is necessary to install the battery fixing plug 10 in the battery compartment, first, two fingers or tools are inserted into the two disassembly grooves 1131, respectively; then, the two holding parts 113 are forcefully moved towards the center of the wiring hole 111 until the holding parts 113 and the bottom plate 112 can smoothly enter the battery compartment; finally, when the boss 1141 corresponds to the recess, the force is removed, and at this time, the holding portion 113 and the bottom plate 112 recover to deform while the boss 1141 is stuck in the recess, so that the detachable connection between the battery fixing plug 10 and the inner side wall of the battery compartment is achieved.

In an embodiment of the present utility model, the battery fixing plug 10 further includes a fastening assembly; the fastening assembly is connected between the two handpieces 113 for fixing the two handpieces 113 to the inner side wall of the battery compartment.

The structure of the fastening assembly is not limited. In the embodiment of the utility model, the fastening assembly comprises a screw 13 and a positioning nut 14 in threaded connection with the screw 13; the hand-hold portions 113 are provided with at least one positioning through hole 1132, two ends of the screw 13 are fixed in the positioning through holes 1132 in a one-to-one correspondence manner through positioning nuts 14, and the screw 13 is parallel to a connecting line of centers of the two hand-hold portions 113.

The positioning through hole 1132 is formed, and the screw 13 is installed in the positioning through hole 1132, so that the battery fixing plug is convenient to detach and fix in the battery cabin. When the battery fixing plug is required to be taken out of the battery compartment, firstly, the positioning nut 14 is screwed out of the positioning through hole 1132, and then the screw 13 is taken down; finally, the removal tool is inserted into the removal groove 1131, so that the two holding parts 113 are elastically deformed toward each other until the boss 1141 is separated from the groove of the inner side wall of the battery compartment, and the battery fixing plug can be successfully removed. When the battery fixing plug is required to be plugged into the battery compartment, firstly, a disassembling tool is inserted into the disassembling groove 1131, so that the two handheld parts 113 elastically deform towards each other until the battery fixing plug can be placed into the battery compartment; then, the disassembly tool is removed, and the boss 1141 is inserted into the groove; finally, both ends of the screw 13 are respectively inserted into the positioning through holes 1132, and are fixedly locked by the positioning nuts 14. To further increase the tightening, a washer is also mounted between the positioning nut 14 and the grip 113.

In order to ensure that the screw 13 can play a role of fixing the handheld part and cannot interfere with the inner side wall of the battery compartment, the length L of the screw 13 satisfies: l (L) ₁ ＜L＜L ₂ Wherein L is ₁ Is the minimum distance between the positioning through holes 1132 of the two handholds 113; l (L) ₂ Is the maximum distance between the positioning through holes 1132 of the two handpieces 113, as shown in fig. 3. Preferably, the length of the screw 13 is about 10mm smaller than the diameter of the battery fixing plug.

In a specific embodiment, two positioning through holes 1132 are formed on each handheld portion 113, and the two positioning through holes 1132 are spaced apart. One positioning through hole 1132 on one hand-held part 113 and one positioning through hole 1132 on the other hand-held part 113 are a group, two ends of the screw 13 are fixed in the group of positioning through holes 1132 in a one-to-one correspondence manner through positioning nuts 14, and the screw 13 is parallel to the central connecting line of the two hand-held parts 113.

The utility model also provides an underwater battery compartment, as shown in fig. 4-6, comprising a compartment drum 20, and a battery securing plug 10 according to any of the embodiments described above. A battery module 30 is arranged in a battery compartment of the compartment drum 20; the battery fixing plug 10 is detachably installed in the battery compartment and located between the battery module 30 and the end cap of the cartridge 20 for pressing and fixing the battery module 30.

The pod 20 includes a pod 21, an upper end cap 22, and a lower end cap 23 that are open up and down; i.e. the end cap of pod 20 comprises an upper end cap 22 and a lower end cap 23. An upper end cover 22 is covered at the upper opening of the cabin shell 21, and a 0-shaped sealing ring 24 is arranged between the outer peripheral surface (the side surface facing the inner side surface of the shell of the cabin shell 21) of the upper end cover 22 and the inner side wall of the cabin shell 21 and used for sealing the upper opening; the upper side wall of the upper end cover 22 is detachably connected with the shell of the cabin shell 21 through countersunk screws 25. The lower end cover 23 is covered at the lower opening of the cabin shell 21, and a 0-shaped sealing ring 24 is arranged between the outer peripheral surface (the side surface facing the inner side surface of the shell of the cabin shell 21) of the lower end cover 23 and the inner side wall of the cabin shell 21 and used for sealing the lower opening; the upper side wall of the lower end cap 23 is also detachably connected to the housing of the pod 21 by countersunk screws 25. The upper end cap 22, the case 21, the lower end cap 23, and the 0-shaped sealing ring 24 constitute a closed battery compartment to protect the battery module 30.

The battery fixing plug 10 is detachably mounted between the upper end cap 22 and the battery module 30, and the elastic pad 12 of the battery fixing plug 10 presses and fixes the battery module 30, so that the battery module 30 can be stably mounted in the battery compartment.

In an embodiment of the utility model, the underwater battery compartment further comprises a watertight joint 40 and a protection 50. The protection part 50 is installed on the upper end cap 22, and is formed with a protection space 51; the watertight joint 40 is screw-mounted on the upper end cover 22, and the upper end of the watertight structure is located in the protection space 51; the lower end of the watertight connector 40 is connected to the electrode penetrating into the battery compartment and connected to the battery module 30. The upper end of the watertight joint 40 is used for being connected with external instrument equipment for the purpose of supplying power to the external instrument equipment.

In an embodiment of the utility model, the underwater battery compartment further comprises a shock absorber; the shock-absorbing member is disposed between the battery module 30 and the inner side surface of the case of the capsule 21, so that the influence of vibration on the battery module 30 can be effectively reduced, and the shock resistance of the battery module 30 can be improved. In addition, the thickness of the shock absorbing member may be changed to adapt the battery compartment to the battery modules 30 of different circumferences.

In addition, sacrificial anode blocks are arranged on the outer side of the top of the upper end cover 22 and/or the outer side of the bottom of the lower end cover 23 so as to improve the corrosion resistance of the battery compartment.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. A battery fixing plug, comprising:

the fixed plug assembly (11), the fixed plug assembly (11) is provided with a wiring hole (111), and the fixed plug assembly (11) is detachably connected with the inner side wall of the battery compartment;

the elastic pad (12), the elastic pad (12) is connected in the fixed plug subassembly (11) towards one side of battery module (30), elastic pad (12) are used for extrusion fixed locating in the battery compartment battery module (30).

2. The battery fixing plug according to claim 1, wherein the fixing plug assembly (11) includes:

the base plate (112), the wire hole (111) is opened on the base plate (112), and one side of the base plate (112) facing the battery module (30) is connected with the elastic pad (12);

and the handheld part (113) is connected to one side of the bottom plate (112) away from the battery module (30).

3. The battery fixing plug according to claim 2, further comprising:

and the connecting piece is connected to the handheld part (113) and is also detachably connected with the inner side wall of the battery compartment.

4. A battery retaining plug according to claim 3, wherein the connector comprises a boss (1141); one side of the handheld part (113) facing the inner side wall of the battery compartment and one side of the inner side wall of the battery compartment are provided with the boss (1141), and the other side is correspondingly provided with a groove.

5. The battery fixing plug according to claim 4, wherein the material of the hand-held portion (113) is plastic; the number of the handheld parts (113) is two, and the two handheld parts (113) are positioned at two sides of the wiring hole (111); a detaching groove (1131) is formed in one side, away from the bottom plate (112), of each handheld part (113).

6. The battery fixing plug according to claim 5, wherein the base plate (112) is made of plastic; the bottom plate (112) and the handheld parts (113) are integrally formed, and the side face of the bottom plate (112) facing the inner side wall of the battery compartment is coplanar with the side face of each handheld part (113) facing the inner side wall of the battery compartment.

7. The battery fixation plug according to any one of claims 3-6, wherein the battery fixation plug (10) further comprises a fastening assembly; the fastening assembly is connected between the two handheld parts (113) and is used for fixing the two handheld parts (113) on the inner side wall of the battery compartment.

8. The battery fixing plug according to claim 7, wherein the fastening assembly includes a screw (13), and a positioning nut (14) screw-coupled with the screw (13);

at least one positioning through hole (1132) is formed in each of the two handheld parts (113), and two ends of the screw rod (13) are fixed in the positioning through holes (1132) in a one-to-one correspondence manner through the positioning nuts (14).

9. Battery fixing plug according to claim 8, characterized in that the length L of the screw (13) satisfies: l (L) ₁ ＜L＜L ₂ Wherein L is ₁ Is the minimum distance between the positioning through holes (1132) of the two handholds (113); l (L) ₂ Is the maximum distance between the positioning through holes (1132) of the two handholds (113).

10. An underwater battery compartment comprising:

a tank (20) having a battery compartment therein; a battery module (30) is arranged in the battery compartment;

the battery fixing plug (10) of any one of claims 1-9, removably mounted within the battery compartment and located between the battery module (30) and an end cap of the cartridge (20).