CN219739194U - Fool-proof structure of battery module of electric air supply device - Google Patents

Abstract

The utility model discloses a fool-proof structure of a battery module of an electric air supply device, which comprises an air supply device main body and a battery module inserted at the side part of the air supply device main body, wherein a containing cavity for containing the battery module is arranged in the air supply device, an inwards concave positioning groove is arranged at the side part of the air supply device in the containing cavity, and a bulge matched with the positioning groove is arranged at the side part of the battery module. The battery module is provided with the bulge and the lug, so that an installation space is provided for accommodating the battery, the thickness of the battery module is reduced, the fool-proof guiding effect is achieved, and a user can intuitively judge whether the battery module is reversely inserted or not easily, so that the battery module is quite reliable.

Description

Fool-proof structure of battery module of electric air supply device

Technical Field

The utility model relates to the technical field of air supply devices, in particular to a foolproof structure of a battery module of an electric air supply device.

Background

In the prior art, the battery modules of the electric air supply device are connected in series, and the electrode direction needs to be connected with a circuit in a directional way, so that a corresponding fool-proof structure needs to be arranged, and the situation that the battery modules are connected in a reverse way to cause short circuit or need repeated plugging and unplugging to waste time is avoided.

Disclosure of Invention

First, the technical problem to be solved

In order to solve the above problems, the present utility model provides a foolproof structure of a battery module of an electric air supply device, which has a simple structure and prevents reverse connection of electrodes of the battery module.

(II) technical scheme

The utility model relates to a fool-proof structure of an electric air supply device battery module, which comprises an air supply device main body and the battery module inserted at the side part of the air supply device main body, wherein a containing cavity for containing the battery module is arranged in the air supply device, an inwards concave positioning groove is arranged at the side part of the air supply device in the containing cavity, and a bulge matched with the positioning groove is arranged at the side part of the battery module.

In the utility model, the side part of the air supply device main body is provided with the bulge and the limiting plate to form the accommodating cavity, the positioning grooves are arranged at the two side parts of the bulge, and the battery module is provided with at least two bulges matched with the positioning grooves.

In the utility model, a limit groove is also arranged below the protruding part, and a bump matched with the limit groove is arranged at the lower part of the battery module.

In the utility model, the limit groove and the lug are both in a concave structure, a top wall is arranged in the limit groove, and the top of the lug is abutted with the top wall.

(III) beneficial effects

Compared with the prior art, the utility model has the beneficial effects that,

(1) The battery module is provided with the bulge and the lug, so that an installation space is provided for accommodating the battery, the thickness of the battery module is reduced, the guiding fool-proof effect is achieved, and a user can intuitively judge whether the battery module is reversely inserted or not easily, so that the battery module is quite reliable.

Drawings

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

FIG. 1 is a schematic diagram of the overall structure of a blower in embodiment 1;

fig. 2 is a schematic perspective view of a main body of the blower in embodiment 1;

FIG. 3 is a schematic diagram illustrating a connection structure between a main body of an air supply device and a limiting plate in embodiment 1;

fig. 4 is a schematic perspective view of the limiting plate in embodiment 1;

FIG. 5 is a schematic perspective view of the filter tank of example 1;

fig. 6 is a schematic diagram of a connection structure between a main body of the air blowing device and a battery module in embodiment 1;

fig. 7 is a schematic perspective view of the cover plate in embodiment 1;

fig. 8 is a schematic perspective view of a battery module in embodiment 1;

fig. 9 is a schematic view showing the internal structure of a battery module in embodiment 1;

fig. 10 is a schematic diagram of the connection structure of the rechargeable battery in embodiment 1;

fig. 11 is a schematic perspective view (second view) of the main body of the blower device in embodiment 1.

100. The air supply device comprises an air supply device main body, 101, a cavity, 1011, a positioning groove, 1012, a limiting groove, 102, a protruding part, 1021, an air filtering opening, 1022, a protruding wall, 1023, internal threads, 1024, a threaded hole, 1025, an inclined part, 103, a through hole, 104, a conductive contact, 105 and a clamping groove;

200. battery module, 201, rechargeable battery, 202, bottom case, 2021, mounting groove, 2022, limit groove, 2023, through groove, 2024, positioning post, 20241, slot, 2025, boss, 20251, screw groove, 2026, mounting groove, 203, cover plate, 2031, through hole, 2032, plug, 2033, limit wall, 2034, arc groove, 204, conductive piece, 205, conductive connecting piece, 206, conductive connecting piece, 207, conductive spring piece, 2071, contact part, 2072, limit section, 208, notch, 209, connection contact arm, 210, inner side wall, 211, snap-in structure, 2111, groove, 2112, limit post, 212, snap-in structure, 2121, elastic connection end, 2122, pressing handle, 21221, bump, 2123, limit part, 21231, hook, 2124, stiffener, 213, bump, 214, bump, 216, charging assembly, 217, cavity, 218, charging groove;

300. limiting plates 301, sleeve holes 302, connecting holes 303 and reinforcing ribs;

400. a filter tank 401, a connecting part 402 and external threads;

500. a waistband.

Detailed Description

Possible implementations within the scope of the present disclosure may have fewer components, have other components not shown in the drawings, different components, differently arranged components, differently connected components, etc., than the examples shown in the drawings. Furthermore, two or more of the elements in the figures may be implemented in a single element or a single element shown in the figures may be implemented as multiple separate elements.

Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. The terms "first," "second," and the like in the description and in the claims, are not used for any order, quantity, or importance, but are used for distinguishing between different elements. Likewise, the terms "a" or "an" and the like do not necessarily denote a limitation of quantity. The word "comprising," "comprising," or "having" and the like means that elements or items preceding the word are meant to be encompassed by the element or item recited following the word and equivalents thereof, without excluding other elements or items. The terms "connected" or "connected" and the like are not limited to the physical or mechanical connection or communication shown in the drawings, but may include connection or communication equivalent thereto, whether direct or indirect. "upper", "lower", "left", "right", "horizontal", "vertical", etc. are only used to indicate a relative positional relationship, which may be changed accordingly when the absolute position of the object to be described is changed.

The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present utility model, but 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.

Example 1

Hereinafter, the electric blower of the present embodiment will be described in detail with reference to fig. 1 to 11.

The electric air supply device comprises an air supply device main body 100 and a battery module 200 inserted on the air supply device, wherein the battery module 200 can be charged independently, namely, one or more rechargeable batteries 201 are arranged in the battery module 200, and only the batteries can be connected with the charging device, no matter how many rechargeable batteries 201 are, namely, the more the rechargeable batteries 201 are, the more the battery duration is.

The air blowing device main body 100 is provided with a cavity 101 in which the battery module 200 is inserted, the cavity 101 is formed by assembling a limiting plate 300 attached to the side portion of the air blowing device main body 100 and the air blowing device main body 100, and a filter tank 400 is attached to the side portion by screw connection.

The fitting structure between the blower main body 100 and the limiting plate 300 will be described in detail with reference to fig. 2 to 5.

The side of the blower is provided with a boss 102 for engaging with the battery module 200, and the side of the boss 102 is provided with a boss air filter 1021, and the whole of the air filter 1021 has a circular convex wall 1022 structure. The inner surface of the air filter 1021 is provided with an internal thread 1023, and the side part of the protruding part 102 is also provided with a plurality of threaded holes 1024, and the two side parts of the protruding part 102 are provided with conductive contacts 104 and through holes 103 for accommodating the conductive contacts 104. The protruding portion 102 is provided with a cavity communicated with the interior of the main body 100 of the air supply device, and one end of the conductive contact 104 arranged in the cavity is connected with an electric control component of the air supply device through a wire.

Specifically, the limiting plate 300 is provided with a sleeve hole 301 in fit with the air filtering port 1021, and the limiting plate 300 is sleeved on the side part of the protruding part 102 through the sleeve hole 301 and is provided with a containing cavity 101 for inserting the battery module 200. A plurality of reinforcing ribs 303 having a net structure are provided on the rear surface of the limiting plate 300 to reinforce the overall mechanical strength of the limiting plate 300.

The limiting plate 300 is further provided with two connecting holes 302 for being matched with threaded holes 1024 on the protruding portion 102 to fasten and install the limiting plate 300 by bolts. The filter tank 400 is provided with a connecting portion 401 assembled with the air filter port 1021, the connecting portion 401 is also in a circular structure, the outer diameter of the connecting portion 401 is equal to the inner diameter of the air filter port 1021, and the outer side wall of the connecting portion 401 is provided with an external thread 402 matched with the internal thread 1023, namely, the filter tank 400 is connected with the air supply device main body 100 through threaded matching.

The battery module 200 of the present utility model is described in detail with reference to fig. 6 to 10.

The battery module 200 includes a bottom case 202 with an opening and a cover plate 203 for enclosing the bottom case 202, and the battery module 200 is generally of a "concave" shape, i.e., the battery module 200 has a recess 208. Three mounting grooves 2021, 2026 for accommodating the rechargeable battery 201 are provided in the bottom case 202, wherein two mounting grooves 2021 are respectively provided at both sides of the bottom case 202, and the other mounting groove 2026 is provided at the lower part of the bottom case 202.

Specifically, the mounting grooves 2021 and 2026 are further provided therein with a conductive member 204 for connecting the rechargeable batteries 201 in series, and the conductive member 204 is in an L-shaped structure and is clamped at the side portions of two adjacent mounting grooves 2021 and 2026. That is, the conductive member 204 is provided between the bottom of the mounting groove 2021 provided on the left side of the bottom case 202 and the left side portion of the mounting groove 2026, and the conductive member 204 is provided between the bottom of the mounting groove 2021 provided on the right side of the bottom case 202 and the right side portion of the mounting groove 2026. The top of the mounting groove 2021 is also provided with conductive connecting sheets 205 and 206, and the upper part of the inner side wall 210 of the bottom box 202 is provided with a through groove 2023 and a conductive elastic sheet 207 mounted on the inner side wall 210 of the bottom box 202 through the through groove 2023.

The bottom case 202 is further provided with a limiting groove 2022 below the through groove 2023 for clamping the conductive elastic sheet 207, so that the conductive elastic sheet 207 further comprises a contact part 2071 bent outwards and a limiting section 2072 arranged at one end of the conductive elastic sheet 207 and abutted against the end of the limiting groove 2022 for facilitating contact conduction between the battery module 200 and the air supply device main body 100.

The contact part 2071 is integrally provided with a trapezoid structure protruding outwards, and the limiting section 2072 is arranged at one end of the contact part, namely the limiting section 2072 is a trapezoid bevel edge so as to be conveniently in butt joint with the limiting groove 2022 for limiting.

Preferably, the contact portion 2071 is planar on the side that contacts the conductive contact 104 to facilitate adequate contact with the conductive contact 104. One end of the conductive spring piece 207 is disposed in the bottom case 202 and electrically connected with the conductive connecting pieces 205 and 206, so as to connect the battery in series integrally, and concentrate the two ends of the power circuit on the conductive spring piece 207 to connect with the conductive contact 104. I.e. the ends of the conductive connecting pieces 205, 206 are provided with contact arms 209, and the contact arms 209 are soldered or crimped with the conductive clips 207.

Since the rechargeable battery 201 is of a serial structure, the conductive connecting piece 205 is disposed on the left side to abut against the negative electrode terminal of the rechargeable battery 201, and the conductive connecting piece 206 is disposed on the right side to abut against the positive electrode terminal of the rechargeable battery 201.

Further, the rechargeable batteries 201 disposed in the bottom case 202 are all in a serial structure. In order to better and more conveniently install the cover plate 203, a positioning column 2024 and a plurality of protruding columns 2025 are further arranged in the bottom box 202, and a slot 20241 is arranged at the top of the positioning column 2024. The top of the boss 2025 is provided with a screw groove 20251, and the cover 203 is provided with an insert 2032 matching with the slot 20241 and a through hole 2031 matching with the screw groove 20251, i.e. the cover 203 is fixedly assembled with the bottom box 202 by bolts after the insert 2032 is in plug-in matching with the slot 20241.

The cover plate of the present utility model will be described in detail with reference to fig. 7.

Specifically, a plurality of limiting walls 2033 for limiting the rechargeable battery 210 installed in the bottom case 202 are further provided on the back surface of the cover plate 203, and the shape of the cover plate 203 is also in a shape of "concave". An arc-shaped groove 2034 which is concave and is attached to the rechargeable battery 201 is formed in the middle of the limiting wall 2033.

The air supply device is also provided with a waistband 500 which is convenient for a user to wear and a clamping structure 211 for assembling the waistband 500, wherein the left side and the right side of the air supply device are provided with inwards concave grooves 2111. And a limit post 2112 connected with the opening of the groove 2111 from top to bottom is arranged at the notch of the groove 2111 to form a clamping structure 211 for installing the waistband 500, namely, a gap is reserved between the limit post 2112 and the groove 2111, the waistband 500 bypasses the air supply device from the back, and then passes out from between the groove 2111 and the limit post 2112, thus the waistband 500 can be installed.

Specifically, a charging assembly 216 capable of charging the rechargeable battery 201 is further disposed at the bottom of the bottom case 202, a cavity 217 for accommodating the charging assembly 216 is disposed in the bottom case 202, and a charging slot 218 communicated with the cavity 217 is further disposed at the bottom of the bottom case 202, so that a user can take out the battery module 200 for charging and recycling.

The quick connect and disconnect structure 212 of the battery module 200 is described in detail with reference to fig. 6 and 8.

The top of the battery module 200 is provided with a quick-connect/disconnect structure 212, and the quick-connect/disconnect structure 212 includes an elastic connection end 2121, a pressing handle 2122, and a limiting portion 2123 engaged with the blower main body 100.

Specifically, the elastic connection end 2121 is bent and connected to the top surface of the battery bottom case 202 near the side of the recess 208, and the two are in an integral structure, and a gap is left between the quick-connect/disconnect structure 212 and the top surface of the battery module 200, so that the pressing handle 2122 is pressed downward, and the limiting portion 2123 is driven to rotate by taking the connection point between the elastic connection portion 401 and the top surface of the bottom case 202 as a rotation axis.

The limiting portion 2123 is disposed at the top of the quick-connect-disconnect structure 212 and is bent towards the recess 208, and a hook 21231 is further disposed at the top end of the limiting portion 2123, so as to clamp the blower main body 100 to form a horizontal limit. The top surface of the pressing handle 2122 is further provided with a plurality of protrusions 21221 for increasing friction.

Preferably, the quick-connect-disconnect structure 212 and the top surface of the bottom case 202 have a certain angle, that is, the included angle between the handle portion and the elastic connection portion 401 and the top surface of the bottom case 202 is less than 30 °, and the curved inner side portion of the limiting portion 2123 is further provided with a reinforcing rib 2124 for reinforcing the overall structural strength.

Further, a clamping groove 105 matched with the limiting part 2123 is provided on the top surface of the protruding part 102 of the bottom box 202, and an inclined part 1025 is provided on one end of the protruding part 102 away from the air filtering port 1021 for longitudinally limiting the clamping hook 21231. When the battery module 200 is installed, only the battery module 200 is required to be inserted into the accommodating cavity 101, the quick-plug structure 212 is abutted with the inclined part 1025 and then rotated outwards by a certain angle, after the battery module 200 is inserted, the quick-plug structure 212 rebounds to the original position under the action of the elastic connecting part 401, and at the moment, the limiting part 2123 is matched with the clamping groove 105 of the bottom box 202 in a clamping way; when the battery module 200 needs to be removed, the battery module 200 can be taken out by sliding downwards only by pushing the handle 2122 downwards, so that the limiting part 2123 and the clamping hook 21231 rotate outwards and are released from the limit of the clamping groove 105.

The fool-proof structure of the battery module 200 is described in detail with reference to fig. 3 and 8.

Since the rechargeable batteries 201 in the bottom case 202 are arranged in series, a foolproof structure is required for users to distinguish the correct plug direction of the batteries. Two protrusions 213 are provided on the side of the battery module 200, and a positioning groove 1011 matching with the protrusions 213 is provided in the cavity 101 of the air supply device, and the bottom end of the positioning groove is communicated with the bottom of the main body 100 of the air supply device.

Specifically, as long as the mounting direction of the battery module 200 can be distinguished, the protrusion 213 may be provided at the front side or the rear side of the battery module 200, i.e., the protrusion 213 may be provided at the bottom case 202 or the cover plate 203.

Further, the bottom case 202 is further provided with a concave-shaped bump 214 on one side surface provided with the bump 213, and a limit groove 1012 matched with the bump is provided in the accommodating cavity 101.

Example 2

As shown in the figure, the difference from embodiment 1 is that the limiting plate 300 and the blower main body 100 are integrally formed, i.e., the cavity 101 for accommodating the battery module 200 is disposed in the middle of the blower, and the blower main body 100 includes two housings having an upper-lower structure.

The above examples are merely illustrative of the preferred embodiments of the present utility model and are not intended to limit the spirit and scope of the present utility model. Various modifications and improvements of the technical scheme of the present utility model will fall within the protection scope of the present utility model without departing from the design concept of the present utility model, and the technical content of the present utility model is fully described in the claims.

Claims (4)

1. A fool-proof structure of a battery module of an electric air supply device,

the method is characterized in that:

the battery module (200) is inserted into the side part of the air supply device body (100), a containing cavity (101) for containing the battery module (200) is arranged in the air supply device, an inwards concave positioning groove (1011) is formed in the side part of the air supply device in the containing cavity (101), and a protrusion (213) matched with the positioning groove (1011) is formed in the side part of the battery module (200).

2. The fool-proof structure of an electric air supply device battery module according to claim 1, wherein: the side part of the air supply device main body (100) is provided with a protruding part (102) and a limiting plate (300) to form a containing cavity (101), the locating groove (1011) is arranged at two side parts of the protruding part (102), and the battery module (200) is provided with at least two protrusions (213) matched with the locating groove (1011).

3. The fool-proof structure of an electric air supply device battery module according to claim 2, wherein: a limit groove (1012) is further arranged below the protruding portion (102), and a protruding block (214) matched with the limit groove (1012) is arranged at the lower portion of the battery module (200).

4. The fool-proof structure of an electric air supply device battery module according to claim 3, wherein: the limiting groove (1012) and the protruding block (214) are of concave structures, a top wall is arranged in the limiting groove (1012), and the top of the protruding block (214) is abutted to the top wall.