CN219330063U - Electric mower - Google Patents

Abstract

The utility model relates to an electric mower, which is characterized in that: the battery pack comprises a plug seat which can be detachably connected in a battery pack accommodating chamber B, wherein the plug seat is integrated with the function of shielding a conductive pole piece and locking and releasing a battery pack, the plug seat comprises a seat body and the conductive pole piece arranged in the middle of the seat body, is matched with the battery pack A, and is arranged on a shielding piece arranged at the lower part of the seat body, and moves downwards relative to the conductive pole piece under the action of inserting the battery pack A into an accommodating cavity, and is switched to an exposed working state from a shielded protection state, so that the battery pack has the advantages of being compared with the prior art: the socket is detachably connected into the battery pack accommodating chamber, integrates the functions of shielding the conductive pole piece and locking and releasing the battery pack, and can be used as a universal standard component for various electric mower devices and battery bins with different shapes.

Description

Electric mower

Technical Field

The utility model relates to an electric mower, in particular to a battery compartment structure of the electric mower.

Background

In the prior art, when the gardening tool works, a fully charged energy device (such as a battery pack and the like) is required to be inserted into the shell, and a power device (such as a motor and the like) is powered through the insert seat in the shell. In order to ensure the use safety of the energy supply system, the existing energy supply system is generally provided with a locking device for locking the energy device in the shell, so that the inserting sheet of the energy device in operation is reliably contacted with the inserting sheet in the shell, and the situation that the gardening tool such as a mower and a snowplow is not started or used abnormally due to the lack of power supply caused by poor contact is prevented. Meanwhile, when the electric quantity of the energy device is insufficient, the existing garden tool needs to take out the energy device and charge the energy device, so that the energy supply system in the prior art is usually provided with a release device, and the release of the energy device is convenient.

The electric mower comprises a battery pack accommodating cavity, wherein the battery pack accommodating cavity is provided with conductive pole pieces for at least two battery packs to be inserted, a shielding mechanism which is arranged in the battery pack accommodating cavity and can move relative to the conductive pole pieces, the shielding mechanism is provided with a protection state for shielding the conductive pole pieces and a working state for releasing shielding the conductive pole pieces so as to expose the conductive pole pieces, and the electric mower also comprises a buckle capable of fixing the battery packs and a button for disconnecting the buckle from the battery packs.

Although this solution solves the locking and releasing structure of the battery pack, the locking and releasing structure is combined in the battery pack accommodating cavity, and is integral with the battery pack accommodating cavity, which is difficult to be applied to various devices and battery bins with different shapes as a general standard component, and therefore, a new quick-disassembly locking and releasing structure needs to be provided.

Disclosure of Invention

The utility model aims to provide an electric mower with strong universality for locking and releasing a battery pack aiming at the prior art.

The technical scheme adopted for solving the technical problems is as follows: this electric mower, its characterized in that: including the socket of detachably connection in the battery package accommodating chamber, this socket is integrated to have the effect that can shelter from electrically conductive pole piece and locking and release battery package A, wherein, the socket includes:

a base;

the conductive pole piece is arranged in the middle of the base body and is connected with the battery pack A in a matching way;

the shielding piece is arranged at the lower part of the base body, moves downwards relative to the conductive pole piece under the action of inserting the battery pack A into the accommodating cavity, and is switched from a shielding protection state to an exposed working state;

the locking piece is arranged at the upper part of the seat body and is used for locking the battery pack A inserted into the accommodating cavity;

the actuating piece is rotatably arranged at the upper part of the seat body and used for driving the locking piece to stretch out and draw back relative to the inside and outside of the seat body; and

the second elastic piece is arranged at the upper part of the base body, so that the locking piece always has the trend of outwards extending to lock the battery pack A.

In order to achieve higher stability of the plug-in socket when the plug-in socket is inserted into the battery pack accommodating chamber in the form of a plug-in, preferably, limit notches which are matched with the battery pack accommodating chamber for limiting are respectively arranged on two sides of the upper portion of the socket body.

In order to form a space for moving the shielding member in the housing, it is preferable that the housing has a first opening in a middle portion thereof for exposing the conductive electrode sheet, and a lower portion thereof protrudes toward the battery pack a with respect to the middle portion, and a top portion of the lower portion thereof is opened and communicates with the first opening to form a moving space for moving the shielding member up and down with respect to the conductive electrode sheet, in view of structural optimization of the housing.

In order to realize that the shielding piece is switched from the shielding state to the exposed working state, preferably, the shielding piece comprises a shielding chamber with a shielding space, a first exposed opening for exposing the conductive pole piece is formed in the top wall of the shielding chamber, a supporting seat for supporting the upper end of the first elastic piece is arranged on the bottom wall of the shielding chamber, and the lower end of the first elastic piece is fixedly connected to the lower part of the seat body. When the battery pack A is inserted into the battery pack accommodating cavity and pushes the shielding piece to move downwards, the shielding piece compresses the first elastic piece to store energy, at this time, the conductive pole piece is exposed out of the first exposed opening of the shielding chamber to be connected with a power supply port of the battery pack A, and when the battery pack A is taken out of the battery pack accommodating cavity, the shielding piece moves upwards under the action of restoring force of the first elastic piece, at this time, the conductive pole piece is shielded in the shielding chamber of the shielding piece, and dangerous accidents such as electric shock and the like caused by electrification of the conductive pole piece when the battery pack accommodating chamber is in an unmated state are avoided.

In order to prevent the shielding chamber from excessively moving upwards under the action of the restoring force of the first elastic piece, preferably, the conductive pole piece is limited on the conductive pole piece seat, the conductive pole piece seat is provided with a second exposed opening for exposing the conductive pole piece and a limiting part for limiting the upward moving distance of the shielding piece under the restoring force of the first elastic piece, and the shielding chamber moves upwards under the restoring force of the first elastic piece, and the bottom wall of the shielding chamber is propped against the limiting part of the conductive pole piece seat. The bottom wall of the shielding chamber is abutted with the limiting part of the conductive pole piece seat, so that the excessive upward moving distance of the shielding chamber can be avoided.

In order to form a cavity for limiting the second elastic element with the base body, preferably, a second opening for enabling the locking element to stretch out and draw back relative to the base body is formed in the upper portion of the base body, the second elastic element is limited in a shell which is matched with the upper portion of the base body, the shell is provided with a cavity for limiting the second elastic element, the top of the cavity is an exposure opening for exposing the actuating element, a fixed connection seat for fixedly connecting fixed ends of the second elastic element is arranged on a first side wall of the cavity, and sliding grooves for enabling the locking element to slide are formed in a second side wall and a third side wall of the cavity on the left side and the right side of the first side wall. Because the top of the cavity is provided with the exposure opening for exposing the actuating piece, an operator can conveniently pull the actuating piece to rotate, and the actuating force for rotating the actuating piece drives the locking piece to slide relative to the cavity, so that the locking piece stretches out and draws back relative to the seat.

In order to realize the mutual matching of the actuating piece and the locking piece, preferably, a pivot seat for pivoting the actuating piece is arranged on the sliding groove of the shell, an embedded part embedded in the locking piece is arranged at the bottom of the actuating piece, correspondingly, the locking piece is provided with an embedded groove embedded in the embedded part, and pivots capable of being pivoted relative to the shell are convexly arranged at two sides of the actuating piece, so that the actuating piece can be forced to extend outwards through the embedded part under the action of external force.

In order to realize that the locking member locks the battery pack a, cooperates with the actuating member and stretches out and draws back relative to the inside and outside of the base, from the aspect of structural realization, preferably, the locking member includes a lock tongue, an abutting part which is arranged opposite to the lock tongue and is used for abutting against the free end of the second elastic member, a caulking groove which is arranged between the abutting part and the lock tongue, and a convex edge which is arranged at two sides of the caulking groove and can slide relative to the chute of the shell.

In order to stabilize the stability of the plug-in socket inserted into the battery pack accommodating chamber, the battery pack accommodating device preferably further comprises:

a body portion;

the battery pack accommodating chamber is arranged on the machine body part and is provided with an accommodating cavity for accommodating the battery pack A;

correspondingly, the battery pack accommodating chamber is provided with an elastic foot which can be limited by the limiting notch, and the elastic foot can be just embedded in the limiting notch in the inserting state.

In order to provide elastic legs with elastic restoring force, preferably, the battery pack accommodating chamber is provided with a placing chamber for placing the middle part of the seat body, the placing chamber comprises a side peripheral wall for arranging the elastic legs, and the side peripheral wall is provided with a hollow part for enabling the elastic legs to have elastic restoring force. The placing chamber has the function of two purposes, namely, the middle part of the bottom body for placing the plug-in socket is used for improving the stability of the plug-in socket inserted into the battery pack accommodating chamber; and secondly, a hollow part which enables the elastic legs to have elastic restoring force can be arranged in the placing chamber.

Compared with the prior art, the utility model has the advantages that: the socket is detachably connected into the battery pack accommodating chamber, and integrates the functions of shielding the conductive pole piece, locking and releasing the battery pack, so that the socket can be used as a universal standard component for various electric mower devices and battery bins with different shapes, and has the characteristics of quick disassembly and replacement and strong structural universality.

Drawings

Fig. 1 is a schematic view of a battery pack housing chamber according to an embodiment of the utility model;

FIG. 2 is a diagram showing a structure of a battery pack according to an embodiment of the present utility model;

FIG. 3 is a diagram showing a structure of a battery pack according to an embodiment of the present utility model inserted into a cavity;

fig. 4 is a schematic diagram of a matching structure of a battery pack moving out of a cavity in a state that a locking member is unlocked in an embodiment of the present utility model;

FIG. 5 is a cross-sectional view showing the locking member in a state of locking the battery pack according to the embodiment of the present utility model;

FIG. 6 is a cross-sectional view of a locking member in an unlocked state of a battery pack according to an embodiment of the present utility model;

FIG. 7 is an exploded view of an angle of the battery pack housing in accordance with an embodiment of the present utility model;

FIG. 8 is an exploded view of a battery pack housing at another angle in accordance with an embodiment of the present utility model;

fig. 9 is a schematic view of a battery pack housing chamber according to another embodiment of the present utility model (the structure of the battery pack is omitted).

Detailed Description

The utility model is described in further detail below with reference to the embodiments of the drawings.

As shown in fig. 1 to 9, the present embodiment is described by taking a garden tool as an example of an electric mower, the electric mower includes an organic body (not shown) and a battery pack housing B provided on the organic body, the battery pack housing B is provided with a housing for housing the battery pack a, the electric mower further includes a socket 1 detachably connected in the battery pack housing B, the socket 1 is integrated with a function of shielding a conductive pole piece 12 and locking and releasing the battery pack, wherein the socket 1 includes a housing 11, a conductive pole piece 12 provided in a middle portion 1a of the housing 11, the conductive pole piece 12 is coupled with the battery pack a, a shielding member 13 provided in a lower portion 1B of the housing 11 is moved downward relative to the conductive pole piece 12 by the effect of inserting the battery pack a into the housing, a protecting state of shielding is switched to an exposed operating state, and a locking member 14 provided in an upper portion 1c of the housing 11 is used for locking the battery pack a inserted into the housing, and a second elastic member 16 provided in an upper portion 1c of the housing 11 and rotatably provided with a second elastic member 16 for driving the housing 11 and having a trend of locking and extending the second elastic member 16.

In this embodiment, one or more energy devices, such as battery packs a, may be provided, and when there are 4 battery packs a, each battery pack a is connected in parallel, so as to avoid affecting the normal operation of the energy supply system when the single battery pack a is abnormally used, and ensure the normal use of the energy supply system; of course, in other embodiments of the present application, a plurality of battery packs a may be connected in series, where the energy supply system may achieve high voltage output. The conductive pole piece 12 is integrated on the PCB of the socket 1, so that the battery pack A can conveniently control the energy supply system through the matching connection, and the volume of the energy supply system is reduced while the normal energy transmission is ensured. For those skilled in the art, the battery pack a is limited by the socket 1 along the plugging direction, i.e. the up-down direction, after being inserted into the battery pack accommodating chamber B through a circuit assembly (not shown) in the housing of the battery pack a and a battery cell assembly (not shown) for charging and discharging, wherein the circuit assembly comprises a circuit board connected with the battery cell assembly and a connection terminal connected with the circuit board, and the connection terminal penetrates through the long notch to be in butt joint with the conductive pole piece 12 so as to realize electrical connection.

In order to achieve higher stability of the socket 1 when being inserted into the battery pack accommodating chamber B in the form of an insert, two sides of the upper portion 1c of the base 11 are respectively provided with a limit notch 10 for limiting the battery pack accommodating chamber B in a matched manner. In this embodiment, the battery pack accommodating chamber B is selectively provided with the elastic leg 5 that can limit the limit notch 10, and referring to fig. 9, in the plugging state, the elastic leg 5 can be just embedded in the limit notch 10, so that the plugging seat 1 can be stably plugged into the battery pack accommodating chamber B in the form of an insert. In addition, since the plug-in socket 1 is integrated with the function of shielding the conductive pole piece 12 and locking and releasing the battery pack a, a smart layout design is required in terms of structural layout, wherein, in order to form a space for moving the shielding member 13 in the socket 11, from the viewpoint of structural optimization of the socket 11, the middle portion 1a of the socket 11 of this embodiment has a first opening 111 for exposing the conductive pole piece 12, while the lower portion 1B of the socket 11 protrudes toward the battery pack a relative to the middle portion 1a, and the top of the lower portion 1B of the socket 11 is opened and communicates with the first opening 111 to form a moving space 112 for moving the shielding member 13 up and down relative to the conductive pole piece 12, and since the lower portion 1B of the socket 11 protrudes toward the battery pack a relative to the middle portion 1a, the battery pack housing chamber B is provided with a holding chamber 6 for holding the middle portion 1a of the socket 11, and the holding chamber 6 includes a side peripheral wall for setting the elastic leg 5, and the side peripheral wall is provided with a hollow portion 61 for providing the elastic restoring force for the elastic leg 5. The placing chamber 6 has a dual-purpose function, namely, the middle part 1a of the bottom body for placing the plug-in socket 1 is used for improving the stability of the plug-in socket 1 inserted into the battery pack accommodating chamber B; secondly, a hollow portion 61 for providing the elastic leg 5 with elastic restoring force can be provided in the holding chamber 6.

In order to realize that the shielding member 13 is switched from a shielding protection state to an exposed working state, the shielding member 13 comprises a shielding chamber with one side being open and the other part forming a shielding space, a first exposed opening 131 for exposing the conductive pole piece 12 is formed in the top wall of the shielding chamber, a supporting seat 132 for supporting the upper end of the first elastic member 2 is arranged on the bottom wall of the shielding chamber, the lower end of the first elastic member 2 is fixedly connected with the lower part 1b of the seat body 11, the lower part 1b of the embodiment is in a transverse U shape, and comprises two vertical parts and a transverse part for connecting the two vertical parts, and an extension plate 100 for fixedly connecting the lower end of the first elastic member 2 is extended in the direction of being far away from the battery pack A in the local direction of the transverse part. When the battery pack A is inserted into the battery pack accommodating cavity and pushes the shielding member 13 to move downwards, the shielding member 13 compresses the first elastic member 2 to store energy, at this time, the conductive pole piece 12 is exposed out of the first exposed opening 131 of the shielding chamber to be connected with a power supply port of the battery pack A, and when the battery pack A is taken out of the battery pack accommodating chamber B, the shielding member 13 moves upwards under the restoring force of the first elastic member 2, at this time, the conductive pole piece 12 is shielded in the shielding chamber of the shielding member 13, and dangerous accidents such as electric shock and the like caused by electrification of the conductive pole piece 12 when the battery pack accommodating chamber B is in an unmated state are avoided.

The shielding chamber of the shielding member 13 is required to prevent the shielding chamber from excessively moving upwards under the action of the restoring force of the first elastic member 2 while shielding the conductive pole piece 12, wherein the conductive pole piece 12 is limited on the conductive pole piece seat 3, the conductive pole piece seat 3 is provided with a second exposed opening 31 for exposing the conductive pole piece 12 and a limiting part 32 for limiting the upward moving distance of the shielding member 13 under the restoring action of the first elastic member 2, and the shielding chamber moves upwards under the restoring action of the first elastic member 2, and the bottom wall of the shielding chamber is propped against the limiting part 32 of the conductive pole piece seat 3. The bottom wall of the shielding chamber is abutted against the limiting part 32 of the conductive pole piece seat 3, so that the excessive upward moving distance of the shielding chamber can be avoided. In order to form a cavity 41 for restricting the second elastic member 16 with the base 11, the upper portion 1c of the base 11 is provided with a second opening 113 for the locking member 14 to expand and contract inwardly and outwardly relative to the base 11, the second elastic member 16 is restricted in the housing 4 opposite to the upper portion 1c of the base 11, the housing 4 has a cavity 41 for restricting the second elastic member 16, the top of the cavity 41 is an exposing opening 42 for exposing the actuating member 15, a first side wall of the cavity 41 is provided with a fixing seat 43 for fixing the fixing end of the second elastic member 16, and a second side wall and a third side wall of the cavity 41 on the left side and right side of the first side wall are provided with sliding grooves 44 for the locking member 14 to slide. Because the top of the cavity 41 is provided with the exposure opening 42 for exposing the actuating member 15, an operator can conveniently pull the actuating member 15 to rotate, and the actuating force for rotating the actuating member 15 drives the locking member 14 to slide relative to the cavity 41, so that the locking member 14 stretches and stretches relative to the base 11.

Finally, in order to facilitate the taking of the battery pack a, the locking member 14 is converted in the locked and unlocked state, and in order to achieve the mutual engagement of the actuating member 15 and the locking member 14, preferably, the housing 4 is provided with a pivot seat 45 above the chute 44 for pivoting the actuating member 15, the bottom of the actuating member 15 is provided with an embedded portion 151 embedded in the locking member 14, correspondingly, the locking member 14 is provided with an embedded groove 141 embedded in the embedded portion 151, and both sides of the actuating member 15 are convexly provided with pivots 152 pivotable with respect to the housing 4, so that the actuating member 15 can be forced to extend out of the locking member 14 through the embedded portion 151 under the action of external force. Correspondingly, in order to achieve the locking of the battery pack a by the locking member 14, the engagement with the actuating member 15 and the extension and retraction of the locking member relative to the base 11, the locking member 14 includes a locking tongue 142, an abutting portion 143 disposed opposite to the locking tongue 142 for abutting against the free end of the second elastic member 16, a caulking groove 141 disposed between the abutting portion 143 and the locking tongue 142, and a flange 144 disposed on both sides of the caulking groove 141 and capable of sliding relative to the chute 44 of the housing 4.

As described above, the plug-in socket 1 is plugged into the battery pack accommodating chamber B as an independent component, and is clamped in the limit notch 10 by the elastic leg 5 on the shelf chamber 6 to form an electrical connection with the battery pack accommodating chamber B stably, the shielding member 13 moves downward relative to the conductive pole piece 12 under the action of the battery pack a, the shielding member is switched from the shielded protection state to the exposed working state, and the battery pack a can be locked by the locking member 14 when the battery pack a is inserted into the corresponding accommodating chamber of the battery pack accommodating chamber B, and at this time, the first elastic member 2 is compressed; when the battery pack a needs to be taken out, only the actuating member 15 needs to be pulled to drive the locking member 14 to retract inwards relative to the cavity 41, at this time, the second elastic member 16 is in an energy storage state, and the first elastic member 2 ejects upwards under the action of elastic restoring force of the second elastic member to assist the battery pack a in taking out correspondingly, and after the battery pack a is taken out, the second elastic member 16 also protrudes outwards under the action of elastic restoring force of the second elastic member to extend out of the second opening 113 of the base 11 to be used for locking the next battery pack a.

Claims (10)

1. An electric mower, characterized in that: including detachably connecting socket (1) in battery package accepting chamber (B), this socket (1) is integrated to have the effect that can shelter from electrically conductive pole piece (12) and locking and release battery package (A), wherein, socket (1) is including:

a base (11);

the conductive pole piece (12) is arranged in the middle part (1 a) of the base body (11) and is connected with the battery pack (A) in a matching way;

the shielding piece (13) is arranged at the lower part (1 b) of the base body (11), and moves downwards relative to the conductive pole piece (12) under the action of inserting the battery pack (A) into the accommodating cavity, and is switched from a shielding protection state to an exposed working state;

a locking member (14) provided at an upper portion (1 c) of the housing (11) for locking the battery pack (A) inserted into the receiving chamber;

an actuating member (15) rotatably disposed at an upper portion (1 c) of the housing (11) for driving the locking member (14) to expand and contract with respect to the housing (11); and

the second elastic piece (16) is arranged at the upper part (1 c) of the base body (11), so that the locking piece (14) always has the trend of outwards locking the battery pack (A).

2. The electric mower of claim 1 wherein: limiting notches (10) which are matched with the battery pack accommodating chamber (B) for limiting are respectively arranged on two sides of the upper portion (1 c) of the base body (11).

3. The electric mower of claim 2 wherein: the middle part (1 a) of the base body (11) is provided with a first opening (111) for exposing the conductive pole piece (12), the lower part (1 b) of the base body (11) protrudes towards the battery pack (A) relative to the middle part (1 a), the top of the lower part (1 b) of the base body (11) is open and is communicated with the first opening (111) to form a moving space (112) for moving the shielding piece (13) up and down relative to the conductive pole piece (12).

4. A powered mower as claimed in claim 3 wherein: the shielding piece (13) comprises a shielding chamber with a shielding space, a first exposed opening (131) for exposing the conductive pole piece (12) is formed in the top wall of the shielding chamber, a supporting seat (132) for supporting the upper end of the first elastic piece (2) is arranged on the bottom wall of the shielding chamber, and the lower end of the first elastic piece (2) is fixedly connected to the lower portion (1 b) of the seat body (11).

5. The electric mower of claim 4 wherein: the conductive pole piece (12) is limited on the conductive pole piece seat (3), a second exposed opening (31) for exposing the conductive pole piece (12) is formed in the conductive pole piece seat (3), the shielding piece (13) is limited to move upwards by a limiting part (32) of a distance under the restoring action of the first elastic piece (2), the shielding chamber moves upwards under the restoring action of the first elastic piece (2), and the bottom wall of the shielding chamber is in butt joint with the limiting part (32) of the conductive pole piece seat (3).

6. The electric mower of claim 5 wherein: the upper portion (1 c) of pedestal (11) is provided with supplies locking piece (14) is relative pedestal (11) inside and outside flexible second opening (113), and second elastic component (16) then restrict in with the casing (4) that upper portion (1 c) of pedestal (11) was involuted mutually, casing (4) have cavity (41) that are used for restricting second elastic component (16), the top of cavity (41) is for supplying exposing mouth (42) that actuating piece (15) exposed, be provided with rigid coupling seat (43) that supply the stiff end rigid coupling of second elastic component (16) on the first lateral wall of cavity (41), second lateral wall and the third lateral wall of cavity (41) in first lateral wall left and right sides then offer supplies spout (44) that locking piece (14) slided.

7. The electric mower of claim 6 wherein: the casing (4) is provided with a pivot seat (45) for the pivot joint of the actuating piece (15) above the chute (44), the bottom of the actuating piece (15) is provided with an embedded part (151) embedded in the locking piece (14), correspondingly, the locking piece (14) is provided with an embedded groove (141) embedded in the embedded part (151), and two sides of the actuating piece (15) are convexly provided with pivots (152) which can be pivoted relative to the casing (4), so that the actuating piece (15) can be forced to extend outwards from the locking piece (14) through the embedded part (151) under the action of external force.

8. The electric mower of claim 7 wherein: the locking piece (14) comprises a lock tongue (142), an abutting part (143) which is arranged opposite to the lock tongue (142) and is used for abutting against the free end of the second elastic piece (16), a caulking groove (141) which is arranged between the abutting part (143) and the lock tongue (142), and convex edges (144) which are arranged on two sides of the caulking groove (141) and can slide relative to the sliding grooves (44) of the shell (4).

9. The electric mower of any one of claims 3 to 8 wherein: the method also comprises the following steps:

a body portion;

a battery pack accommodating chamber (B) arranged on the machine body part, wherein the battery pack accommodating chamber (B) is provided with an accommodating cavity for accommodating a battery pack (A);

correspondingly, the battery pack accommodating chamber (B) is provided with an elastic foot (5) which can be limited with the limiting notch (10), and the elastic foot (5) can be just embedded in the limiting notch (10) in the inserting state.

10. The electric mower of claim 9 wherein: the battery pack accommodating chamber (B) is provided with a placing chamber (6) for placing the middle part (1 a) of the seat body (11), the placing chamber (6) comprises a side peripheral wall for arranging the elastic legs (5), and the side peripheral wall is provided with a hollow part (61) for enabling the elastic legs (5) to have elastic restoring force.

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