CN217823131U

CN217823131U - Shell and energy storage power supply

Info

Publication number: CN217823131U
Application number: CN202222062313.2U
Authority: CN
Inventors: 盛勇; 于谋展; 王清旺
Original assignee: Ningbo Gongniu Digital Technology Co Ltd
Current assignee: Ningbo Gongniu Digital Technology Co Ltd
Priority date: 2022-08-05
Filing date: 2022-08-05
Publication date: 2022-11-15
Anticipated expiration: 2032-08-05

Abstract

The utility model provides a shell and energy storage power supply, relate to battery technology field, this shell includes upper cover and drain pan, the bottom at the upper cover is established to the drain pan lid, the bottom of upper cover is provided with the hole seat, the hole seat link up and has seted up the conducting hole, still be provided with the mounting groove with the conducting hole intercommunication on the hole seat, be equipped with the fitting piece in the mounting groove, still be provided with the mounting hole on the drain pan, the mounting hole corresponds the setting with the hole seat, and be equipped with the connecting piece in the mounting hole, the connecting piece passes the conducting hole and is connected with the fitting piece cooperation, through set up the mounting groove on the hole seat, can realize pre-installation fixed fitting piece, the problem of moulding plastics the fitting piece an organic whole inside the upper cover and causing has been avoided. Compared with the prior art, the utility model discloses having avoided the integrative moulding plastics of fitting piece when guaranteeing fixed effect, and then having avoided the casing to produce stress cracking phenomenon, can cross the pine because of the tolerance when also having avoided the production process in the fitting piece to put into the mould or the phenomenon that causes inefficiency excessively.

Description

Shell and energy storage power supply

Technical Field

The utility model relates to a battery technology field particularly, relates to a shell and energy storage power.

Background

Outdoor energy storage products usually adopt split type shell, can accomplish the shell equipment after subassembly such as battery earlier when its equipment. The shell of the conventional outdoor energy storage product is connected and fixed through buckles, screws and the like. Among the screw connections, there are self-tapping screw connections, bolt-nut connections, and the like. The self-tapping screw has limited times of assembling and disassembling, and is easy to slip and lose efficacy. Therefore, the conventional connection structure is a bolt-and-nut connection.

The inventor has found that, in the existing connection type of bolt and nut, two assembling parts are usually required to be matched with each other to realize the connection of the shell, wherein one assembling part is an external part, such as a bolt or a staple, and the other assembling part is required to be fixed in the shell, such as a fixed nut or a snap cap, and the matching part is usually formed by in-mold injection with the shell for fixing the matching part, such a forming mode is easy to generate stress cracking of the shell, and the matching part is placed in a mold during the production process, and the tolerance is too loose or too tight, so that the low efficiency is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shell and energy storage power supply, it can simplify the connected mode between upper cover and the drain pan, has avoided the integrative moulding plastics of fitting piece when guaranteeing fixed effect, and then has avoided the casing to produce stress cracking phenomenon, can too loose or the tension causes inefficient phenomenon because of the tolerance when also having avoided the production process in the fitting piece to put into the mould.

The embodiment of the utility model is realized like this:

in a first aspect, the utility model provides a shell, including upper cover and drain pan, the drain pan lid is established the bottom of upper cover, the bottom of upper cover is provided with the hole seat, the hole seat link up and has seted up the conducting hole, still be provided with on the hole seat with the mounting groove of conducting hole intercommunication, be equipped with the fitting piece in the mounting groove, still be provided with the mounting hole on the drain pan, the mounting hole with the hole seat corresponds the setting, just be equipped with the connecting piece in the mounting hole, the connecting piece passes the conducting hole with the fitting piece cooperation is connected.

In an optional implementation manner, a hole column is further disposed on one side of the bottom case close to the upper cover, an installation sunken groove is disposed on the hole column, the installation hole is disposed on a bottom wall of the installation sunken groove, and a bottom end of the hole seat is inserted into the installation sunken groove, so that the installation hole and the via hole are aligned.

In an optional embodiment, the hole seat comprises a limiting part and a connecting part which are integrally arranged, the connecting part is located at the bottom of the limiting part, the mounting groove is located on one side, away from the connecting part, of the limiting part, the connecting part is matched with the mounting sinking groove in shape and is used for being at least partially inserted into the mounting sinking groove, and the width of the limiting part is greater than that of the connecting part.

In an optional embodiment, the hole seat further comprises an installation part, the installation part is arranged on one side of the connection part, far away from the limiting part, and the installation groove is formed in the side wall of the installation part, so that the fitting piece is installed in the installation groove through the side wall of the installation part.

In an optional embodiment, a conduction groove penetrating to an external space is further formed in a side wall of the mounting groove, which is far away from the connecting portion, and the width of the conduction groove is smaller than that of the mounting groove.

In an alternative embodiment, the width of the fitting piece is adapted to the width of the mounting groove, so that the fitting piece is in interference fit in the mounting groove.

In an optional embodiment, a clamping rib is further arranged on the side wall of the mounting groove, and the clamping rib is used for abutting against the matching piece.

In an optional embodiment, the connecting member includes a bolt, the fitting member includes a nut, an assembly sinking groove is formed in one side of the bottom case, which is far away from the upper cover, the mounting hole penetrates through the assembly sinking groove, and the bolt is partially accommodated in the assembly sinking groove.

In an alternative embodiment, the nut has a polygonal prism structure, and two opposite side surfaces of the nut are respectively attached to the opposite inner walls of the mounting groove.

In a second aspect, the utility model provides an energy storage power supply, including battery module, support, contravariant module and as any one of the aforesaid embodiment the shell, the battery module sets up on the drain pan, the support encloses to be established around the battery module, the contravariant module sets up on the support, it establishes to go up the housing the battery module the support with outside the contravariant module.

The utility model discloses beneficial effect includes:

the embodiment of the utility model provides an outer shell, set up the end box in the bottom of upper cover, and the bottom of upper cover is provided with the hole seat, link up on the hole seat and seted up the conducting hole, still be provided with the mounting groove with the conducting hole intercommunication on the hole seat simultaneously, be equipped with the fitting piece in the mounting groove, be provided with the mounting hole on the drain pan, the mounting hole corresponds the setting with the hole seat, and be equipped with the connecting piece in the mounting hole, the connecting piece passes the conducting hole and is connected with the fitting piece cooperation, fixed between drain pan and the upper cover has been realized, through set up the mounting groove on the hole seat, can realize pre-installation fixed fitting piece, connecting piece and fitting piece cooperation are connected in the convenient follow-up assembling process. The problem that the fitting piece is integrally molded inside the upper cover and is caused is avoided, so that the mounting structure is simpler. Compared with the prior art, the utility model discloses can simplify the connected mode between upper cover and the drain pan, avoid the integrative moulding plastics of fitting piece when guaranteeing fixed effect, and then avoided the casing to produce stress cracking phenomenon, can cross the pine because of the tolerance when also having avoided the fitting piece to put into the mould in the production process or the phenomenon that causes inefficiency excessively tightly.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a housing according to a first embodiment of the present invention;

FIG. 2 is a schematic view of the structure of the upper cover of FIG. 1;

FIG. 3 is an enlarged partial view of III of FIG. 2;

FIG. 4 is a schematic view of the connection structure of the socket in FIG. 2;

FIG. 5 is a schematic structural diagram of the bottom case of FIG. 1;

fig. 6 is a schematic view of a connection structure of the upper cover and the bottom case.

An icon:

100-a housing; 110-an upper cover; 111-a top cover portion; 113-side cover part; 115-a support plate; 130-a bottom shell; 131-mounting holes; 133-well column; 135-installing a sink; 137-foot pad; 139-assembling a sink; 150-hole seat; 151-via holes; 153-a limiting part; 155-a connecting part; 157-a mounting portion; 170-mounting grooves; 171-a conduction groove; 173-holding ribs; 180-mating parts; 190-connecting piece.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

First embodiment

Referring to fig. 1 to 6, the present embodiment provides a housing 100, which can simplify a connection manner between an upper cover 110 and a bottom case 130, ensure a fixing effect, and avoid integral injection molding of a fitting member 180, thereby avoiding a stress cracking phenomenon of the housing, and also avoiding a low efficiency phenomenon caused by too loose or too tight tolerance when the fitting member 180 is placed in a mold during a production process.

The housing 100 provided by the embodiment, including the upper cover 110 and the bottom case 130, the bottom case 130 covers the bottom of the upper cover 110, the bottom of the upper cover 110 is provided with the hole seat 150, the hole seat 150 has penetrated through and has been provided with the via hole 151, the hole seat 150 is provided with the mounting groove 170 communicated with the via hole 151, the fitting member 180 is assembled in the mounting groove 170, the bottom case 130 is further provided with the mounting hole 131, the mounting hole 131 corresponds to the hole seat 150, and the connecting member 190 is assembled in the mounting hole 131, the connecting member 190 passes through the via hole 151 and is connected with the fitting member 180 in a matching manner.

In this embodiment, the fitting member 180 is a nut, the connecting member 190 is a bolt, and the fitting connection between the bolt and the nut realizes the connection between the bottom case 130 and the upper cover 110, so that the fixing effect is good. By arranging the mounting groove 170 on the hole seat 150, the fixed fitting piece 180 can be mounted in advance, and the connecting piece 190 and the fitting piece 180 can be conveniently connected in a matching manner in the subsequent assembling process. The problem caused by the fact that the fitting piece 180 is integrally molded inside the upper cover 110 is avoided, the mounting structure is simpler, the phenomenon that the fitting piece 180 is integrally molded when the fixing effect is guaranteed is avoided, the stress cracking phenomenon of the shell is further avoided, and the phenomenon that the fitting piece 180 is too loose or too tight to cause low efficiency when being placed into a mold due to tolerance in the production process is also avoided.

In this embodiment, the nut has a polygonal prism structure, and two opposite side surfaces of the nut are respectively attached to the opposite inner walls of the mounting groove 170. Specifically, both side surfaces of the fitting member 180 are respectively attached to the inner walls of the mounting grooves 170, thereby achieving interference fitting.

It should be noted that, in other preferred embodiments of the present invention, the fitting element 180 may also be a clamping groove, the connecting element 190 may also be a staple, the staple passes through the mounting hole 131 or the through hole 151 and then is clamped with the clamping cap, and the fixed connection between the bottom shell 130 and the upper cover 110 can also be achieved, the specific type of the fitting element 180 and the connecting element 190 is not specifically limited herein, and the embodiment takes a bolt and a nut as an example for description.

It should be noted that in this embodiment, the upper cover 110 includes the top cover portion 111 and the side cover portion 113 integrally provided, the side cover portion 113 is disposed around the top cover portion 111 in a surrounding manner, the hole seat 150 is disposed at the inner side of the bottom of the side cover portion 113, and by this arrangement of pre-installing the nut, the upper cover 110 can be prevented from being separated into two pieces, thereby reducing the number of parts and reducing the cost.

In this embodiment, a hole pillar 133 is further disposed on one side of the bottom case 130 close to the upper cover 110, a mounting sunken groove 135 is disposed on the hole pillar 133, the mounting hole 131 is disposed on a bottom wall of the mounting sunken groove 135, and a bottom end of the hole seat 150 is inserted into the mounting sunken groove 135, so that the mounting hole 131 and the via hole 151 are aligned. Specifically, the bottom of the hole seat 150 is shaped to fit the shape of the installation sunken groove 135, so that the bottom shell 130 and the upper cover 110 are installed in advance before the screws are installed, and the screws are installed quickly and conveniently.

The hole seat 150 comprises a limiting portion 153 and a connecting portion 155 which are integrally arranged, the connecting portion 155 is located at the bottom of the limiting portion 153, the mounting groove 170 is located on one side, away from the connecting portion 155, of the limiting portion 153, the connecting portion 155 is matched with the mounting sinking groove 135 in shape and is used for being at least partially inserted into the mounting sinking groove 135, and the width of the limiting portion 153 is larger than that of the connecting portion 155. Specifically, connecting portion 155 is cylindricly, and spacing portion 153 is rectangular block, and the shape of connecting portion 155 and the shape looks adaptation of installation heavy groove 135 to can pack connecting portion 155 into installation heavy groove 135 at first when the installation, convenient quick counterpoint, conducting hole 151 is seted up at connecting portion 155 and is link up spacing portion 153 along vertical direction, and mounting groove 170 is located the top of spacing portion 153, thereby guarantees that nut, conducting hole 151, mounting hole 131 set up along same axis.

Further, the socket 150 further includes a mounting portion 157, the mounting portion 157 is disposed on a side of the limiting portion 153 away from the connecting portion 155, and the mounting groove 170 is opened on a side wall of the mounting portion 157, so that the fitting member 180 is mounted in the mounting groove 170 from the side wall of the mounting portion 157. Specifically, the mounting groove 170 is formed in the side wall which cannot be mounted, so that the nut can be laterally mounted in the mounting groove 170, assembly and fixation are facilitated, and the mounting portion 157 and the limiting portion 153 are integrally arranged.

In the present embodiment, a conduction groove 171 penetrating to the external space is further opened on the side wall of the mounting groove 170 away from the connection portion 155, and the width of the conduction groove 171 is smaller than that of the mounting groove 170. Specifically, the top side of installation department 157 is provided with two backstop archs, has formed conduction groove 171 between two backstop archs promptly, can play the limiting displacement to the nut in vertical direction through setting up the backstop arch, simultaneously through setting up conduction groove 171, air in the mounting groove 170 that can discharge fast on the one hand, it is difficult to avoid air compression to cause the nut assembly, on the other hand makes the deformation suitability of whole mounting groove 170 stronger, can be in the nut of packing into fast when guaranteeing fixation nut.

In the present embodiment, the width of the fitting member 180 is adapted to the width of the mounting groove 170, so that the fitting member 180 is interference fitted in the mounting groove 170. Particularly, through adopting interference fit's mode, can guarantee the fixed effect of nut, simple structure simultaneously, simple to operate. Of course, the nut can also be snapped into the mounting groove 170 here, for example, an additional deformation barrier is provided at the opening of the mounting groove 170, so that the fastening effect of the nut can also be ensured.

In this embodiment, the side wall of the mounting groove 170 is further provided with a retaining rib 173, and the retaining rib 173 is used for abutting against the mating member 180. Specifically, the holding ribs 173 are provided on the left and right side walls and the bottom wall of the mounting groove 170, and can be abutted against the surface of the nut, thereby further ensuring the interference fit effect of the nut.

In the present embodiment, a side of the bottom case 130 away from the upper cover 110 is provided with an assembly sinking groove 139, and the mounting hole 131 penetrates the assembly sinking groove 139, and the bolt portion is received in the assembly sinking groove 139. Specifically, by providing the fitting recessed groove 139, the length of the bolt can be reduced, and the fixing effect is also ensured.

Further, a foot pad 137 is further disposed on a side of the bottom case 130 away from the upper cover 110, and the foot pad 137 is installed in the assembly sinking groove 139 and protrudes downward relative to the bottom case 130. Specifically, through setting up callus on the sole 137, can play the supporting role to callus on the sole 137 can adopt the plastic material to make, thereby guarantees the elastic support effect. Moreover, the foot pads 137 can cover the bolts, so that the bolts are prevented from being exposed, and the attractiveness of the overall appearance is improved while the bolts are protected.

In this embodiment, a support plate 115 is further disposed on the inner sidewall of the upper cover 110, and the support plate 115 is connected to the socket 150. Specifically, the supporting plate 115 is integrally disposed on the inner sidewall of the upper cover 110, and the hole seat 150 is integrally disposed on the supporting plate 115, so as to support and fix the hole seat 150.

In conclusion, this embodiment provides a shell 100, set up the end box in the bottom of upper cover 110, and the bottom of upper cover 110 is provided with hole seat 150, hole seat 150 has last link up and has seted up conducting hole 151, still be provided with the mounting groove 170 with conducting hole 151 intercommunication simultaneously on the hole seat 150, be equipped with the nut in the mounting groove 170, be provided with mounting hole 131 on the drain pan 130, mounting hole 131 corresponds the setting with hole seat 150, and be equipped with the bolt in the mounting hole 131, the bolt passes conducting hole 151 and is connected with the nut cooperation, the fixed between drain pan 130 and the upper cover 110 has been realized, through setting up mounting groove 170 on hole seat 150, can realize installing fixation nut in advance, make things convenient for in the follow-up assembling process bolt and nut cooperation to be connected. The problem caused by the fact that the nut is integrally molded inside the upper cover 110 is avoided, and the mounting structure is simpler. Specifically, the embodiment can simplify the connection mode between the upper cover 110 and the bottom shell 130, and avoid the integral injection molding of the nut while ensuring the fixing effect, thereby avoiding the phenomenon of stress cracking of the shell, and also avoiding the phenomenon of low efficiency caused by too loose or too tight tolerance when the nut is put into the mold in the production process.

Second embodiment

The present embodiment provides an energy storage power supply, which includes a battery module (not shown), a bracket (not shown), an inverter module (not shown), and a housing 100, wherein the basic structure and principle of the housing 100 and the generated technical effects are the same as those of the first embodiment, and for brief description, reference may be made to corresponding contents in the first embodiment for parts not mentioned in the present embodiment.

In this embodiment, the energy storage power source may be an outdoor power source, which includes a battery module, a bracket, an inverter module and a housing 100, the housing 100 includes an upper cover 110 and a bottom case 130, the bottom case 130 covers the bottom of the upper cover 110, a hole seat 150 is provided at the bottom of the upper cover 110, the hole seat 150 has a through hole 151, a mounting groove 170 communicated with the hole 151 is further provided on the hole seat 150, a fitting member 180 is assembled in the mounting groove 170, a mounting hole 131 is further provided on the bottom case 130, the mounting hole 131 corresponds to the hole seat 150, and a connecting member 190 is assembled in the mounting hole 131, the connecting member 190 passes through the hole 151 and is connected with the fitting member 180 in a fitting manner. The battery module sets up on drain pan 130, and the support encloses to be established around the battery module, and the contravariant module sets up on the support, and upper cover 110 covers establishes outside battery module, support and contravariant module.

In this embodiment, can be connected with upper cover 110 after fixing internal devices such as battery module, contravariant module through the support to realize the fixed of inside subassembly.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a shell, its characterized in that, includes upper cover (110) and drain pan (130), drain pan (130) lid is established the bottom of upper cover (110), the bottom of upper cover (110) is provided with hole seat (150), hole seat (150) link up and have seted up via hole (151), still be provided with on hole seat (150) with mounting groove (170) of via hole (151) intercommunication, be equipped with fitting piece (180) in mounting groove (170), still be provided with mounting hole (131) on drain pan (130), mounting hole (131) with hole seat (150) correspond the setting, just be equipped with connecting piece (190) in mounting hole (131), connecting piece (190) pass via hole (151) with fitting piece (180) cooperation is connected, so that drain pan (130) with upper cover (110) are fixed as an organic whole.

2. The shell according to claim 1, wherein a hole pillar (133) is further disposed on a side of the bottom shell (130) close to the upper cover (110), a mounting sinking groove (135) is disposed on the hole pillar (133), the mounting hole (131) is disposed on a bottom wall of the mounting sinking groove (135), and a bottom end of the hole seat (150) is inserted into the mounting sinking groove (135) to align the mounting hole (131) and the via hole (151).

3. The shell according to claim 2, wherein the socket (150) comprises a limiting portion (153) and a connecting portion (155) which are integrally arranged, the connecting portion (155) is located at the bottom of the limiting portion (153), the mounting groove (170) is located on one side of the limiting portion (153) far away from the connecting portion (155), the connecting portion (155) is matched with the mounting sunken groove (135) in shape and is used for being at least partially inserted into the mounting sunken groove (135), and the width of the limiting portion (153) is greater than that of the connecting portion (155).

4. The housing of claim 3, wherein the socket (150) further comprises a mounting portion (157), the mounting portion (157) is disposed on a side of the limiting portion (153) away from the connecting portion (155), and the mounting groove (170) is opened on a side wall of the mounting portion (157), so that the fitting member (180) is mounted in the mounting groove (170) from the side wall of the mounting portion (157).

5. The housing according to claim 4, wherein a conduction groove (171) penetrating to an external space is further opened on a side wall of the mounting groove (170) far away from the connection part (155), and a width of the conduction groove (171) is smaller than that of the mounting groove (170).

6. The housing of claim 1, wherein the width of the fitting member (180) is adapted to the width of the mounting slot (170) such that the fitting member (180) is interference fit within the mounting slot (170).

7. The housing according to claim 6, wherein a retaining rib (173) is further disposed on a side wall of the mounting groove (170), and the retaining rib (173) is used for abutting against the mating member (180).

8. The housing according to any of claims 1 to 7, wherein the connecting member (190) comprises a bolt, the fitting member (180) comprises a nut, a side of the bottom case (130) remote from the upper cover (110) is provided with a fitting recess (139), the mounting hole (131) penetrates the fitting recess (139), and the bolt is partially received in the fitting recess (139).

9. The housing of claim 8, wherein the nut has a polygonal prism structure, and two opposite side surfaces of the nut are respectively attached to the opposite inner walls of the mounting groove.

10. An energy storage power supply, comprising a battery module and the housing of any one of claims 1 to 9, wherein the battery module is disposed on the bottom case (130), and the upper cover (110) covers the battery module.