Battery pack for hair drier

Abstract

The utility model relates to the field of battery packs, and discloses a battery pack for a hair drier, which comprises a battery pack body which can be mounted in the hair drier and is internally provided with a battery, the hair drier comprises an air outlet structure and a grab handle, and a mounting structure for mounting the battery pack body in the grab handle is arranged between the grab handle and the battery pack body. The mounting structure comprises an inserting hole and a limiting component, the inserting hole is formed in the grab handle in the extending direction of the grab handle, one end of the inserting hole is provided with an opening, the battery pack body can be inserted into the inserting hole, and the limiting component is used for limiting the position of the battery pack body when the battery pack body is inserted into the bottom of the inserting hole. And when the battery pack body is inserted into the bottom of the insertion hole, the position of the battery pack can be limited by the limiting component arranged between the bottom of the insertion hole and the battery pack body, so that the probability that the battery pack body falls off from the grab handle is reduced.

Description

Technical Field

[0001] The utility model relates to the field of battery packs, in particular to a battery pack for a hair dryer. Background Art

[0002] A Chinese patent with announcement number CN210838026U discloses a battery pack and an electric tool, including a shell and a battery pack inserted into the shell through a matching part. The battery pack includes an outer shell, and a plurality of battery cells electrically connected to each other are arranged in the outer shell. A cylindrical battery cell wrapping piece is sleeved on the outer peripheral wall of each battery elevator. The battery cell wrapping piece is detachably arranged outside the battery cell and fits tightly with the battery cell.

[0003] The battery pack in the above structure is plug-fitted with the housing of the power tool through the matching part, thereby realizing a detachable connection between the battery pack and the housing. However, if the battery pack is installed only by plug-fitting, the battery pack is easy to detach from the housing of the power tool when the power tool is in use, thereby affecting the user's use. Utility Model Content

[0004] The utility model provides a battery pack for a hair dryer in view of the disadvantage that the prior art only installs the battery pack by plug-in fitting, and the battery pack is easily separated from the housing of the electric tool when the electric tool is in use, thus affecting the use of the user.

[0005] In order to solve the above technical problems, the utility model is solved by the following technical solutions:

[0006] A battery pack for a hair dryer comprises a battery pack body which can be installed in the hair dryer and contains a battery. The hair dryer comprises an air outlet structure and a handle. An installation structure for installing the battery pack body in the handle is provided between the handle and the battery pack body. The installation structure comprises an insertion hole which is open at one end and for inserting the battery pack body and is provided along an extension direction of the handle on the handle, and a limiting component which limits the position of the battery pack body when the battery pack body is inserted to the bottom of the insertion hole.

[0007] By adopting the above scheme, the battery pack body can be inserted into the handle through the provided plug-in hole, and the limiting component provided between the battery pack body and the bottom of the plug-in hole can limit the battery pack body inserted into the plug-in hole, thereby reducing the probability of the battery pack body installed in the handle falling off the handle.

[0008] Preferably, the limiting component includes a sliding groove arranged on the bottom surface of the plug-in hole and extending at both ends to the outer wall of the handle, two limiting members arranged in the sliding groove and capable of moving closer to each other to limit the battery pack body or away from each other to release the limitation of the battery pack body, and a limiting slot arranged on the insertion end of the battery pack body for partial insertion of the limiting member to limit the battery pack body, and the opposite ends of the two limiting members extend out of the handle.

[0009] By adopting the above scheme, the sliding groove is provided for the limit member to slide therein. When the two limit members are close to each other, the battery pack body can be inserted into the bottom of the plug-in hole. When the battery pack body is inserted into the bottom of the plug-in hole, the two limit members can be moved away from each other. At this time, the limit member will be partially inserted into the limit slot on the battery pack body to limit the position of the battery pack body. The opposite ends of the two limit members are arranged to extend out of the handle, which can facilitate the user to drive the two limit members closer to or away from each other.

[0010] Preferably, the limiting member includes a slide plate embedded in the sliding groove and capable of sliding in the sliding groove, and an L-shaped limiting plate is provided on the slide plate, which can be inserted into the limiting slot when the two slides are away from each other, and the two L-shaped limiting plates are arranged at one end of the two slides close to each other and the two L-shaped limiting plates are arranged in opposite directions, and the shape of the limiting slot is a convex shape that can cooperate with the two L-shaped limiting plates.

[0011] By adopting the above scheme, the slide plate can be guided to slide in the sliding groove, and the L-shaped limiting plate arranged on the slide plate can be partially inserted into the convex limiting slot on the battery pack body when the battery pack body is inserted into the bottom of the plug-in hole, thereby limiting the position of the battery pack body inserted into the plug-in hole and reducing the probability of it falling off the handle.

[0012] Preferably, a reset component is provided between the two slides for automatically resetting the two slides away from each other when the two slides approach each other.

[0013] Preferably, the reset component comprises a first spring which is arranged in the sliding groove and has two ends respectively abutting against the two sliding plates.

[0014] By adopting the above scheme, the first spring can push the two slides to move away from each other in the sliding groove when the two slides lose the pressure of the user, so that the limit plate is partially inserted into the limit groove, reducing the probability of the battery pack body inserted into the bottom of the plug-in hole falling off the handle.

[0015] Preferably, a guide component is provided between the opening of the plug-in hole and the battery pack body for guiding the battery pack body when it is installed into the plug-in hole.

[0016] Preferably, the guide component includes guide grooves symmetrically arranged on the outer wall of the battery pack body and extending along the insertion direction of the battery pack body, and a guide block that can be inserted into the guide groove to guide the battery pack body when the battery pack body is inserted into the plug hole.

[0017] By adopting the above scheme, the guide block can be provided to guide the battery pack body when it is inserted into the plug-in hole, so that the limiting components provided between the battery pack body and the bottom of the plug-in hole can cooperate with each other to limit the battery pack body, thereby reducing the probability of the handle falling off.

[0018] Preferably, a rotating component is provided at one end of the plug hole close to the opening to drive the guide block to rotate and further limit the battery pack body inserted into the plug hole.

[0019] Preferably, the rotating component includes a rotating sleeve mounted on the open end of the plug-in hole, the guide block is arranged on the inside of the rotating sleeve and when the battery pack body is inserted into the bottom of the plug-in hole, the guide block is disengaged from the battery pack body, and a damping component is arranged between the rotating sleeve and the outer wall of the handle to increase the rotation damping of the rotating sleeve when the rotating sleeve is rotated by a certain angle.

[0020] By adopting the above scheme, the rotating sleeve can drive the guide block arranged inside it to rotate. When the battery pack body needs to be inserted into the plug-in hole, the rotating sleeve can be rotated to make the guide block on the rotating sleeve match the setting direction of the limiting component, so as to facilitate the limiting component to limit the battery pack body after the battery pack body is inserted into the plug-in hole. When the battery pack body is fully inserted into the plug-in hole, the rotating sleeve can be rotated to make the guide block inside it abut against the bottom of the battery pack body, thereby further limiting the battery pack body inserted into the plug-in hole, further reducing the probability of the battery pack body detaching from the handle, and the damping component can limit the rotation angle of the rotating sleeve, so that the guide block can switch between the guiding and limiting functions.

[0021] Preferably, the damping component includes a receiving groove symmetrically arranged on the inner wall of the rotating sleeve at the handle, a steel ball telescopically arranged in the receiving groove, a group of semicircular grooves symmetrically arranged on the outer wall of the handle sleeved in the rotating sleeve and facing the limiting component, and a group of semicircular grooves offset from the limiting component, and a second spring is arranged in the receiving groove to drive the steel ball to partially extend out of the receiving groove and insert into the semicircular groove.

[0022] By adopting the above scheme, when the set steel ball rotates to a set of semicircular groove positions opposite to the limiting component, the guide block on the rotating sleeve can guide the insertion of the battery pack body; when the set steel ball rotates to a set of semicircular groove positions misaligned with the limiting component, the guide block can abut against the bottom of the battery pack body inserted into the bottom of the plug-in hole, thereby further reducing the probability of the battery pack body detaching from the handle.

[0023] The utility model adopts the above technical scheme and has significant technical effects: the battery pack body can be inserted into the handle through the provided plug-in hole, and the limiting component provided between the battery pack body and the bottom of the plug-in hole can limit the battery pack body inserted into the plug-in hole, thereby reducing the probability of the battery pack body installed in the handle falling off the handle. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 is an axonometric view of a battery pack for a hair dryer in this embodiment;

[0025] Figure 2 is a top view of a battery pack for a hair dryer in this embodiment;

[0026] Figure 3 yes Figure 2 Sectional view at AA in the middle;

[0027] Figure 4 yes Figure 3 The enlarged view of point B in the middle;

[0028] Figure 5 yes Figure 3 Enlarged view of point C in the middle;

[0029] Figure 6 is an axonometric view of the handle in this embodiment;

[0030] Figure 7 yes Figure 6 The enlarged view of point D in the middle;

[0031] Figure 8 is a top view of the battery pack body in this embodiment;

[0032] Fig. 9 yes Figure 8 Sectional view at EE;

[0033] Fig.10 is a top view of the rotating sleeve in this embodiment;

[0034] Fig.11 yes Fig.10 Cross-sectional view at FF.

[0035] The names of the parts indicated by the numerical labels in the above drawings are as follows: 1. Handle; 2. Battery pack body; 3. Battery; 4. Plug hole; 5. Sliding groove; 6. Limiting slot; 7. Slide plate; 8. Limiting plate; 901. First spring; 902. Second spring; 10. Rotating sleeve; 11. Guide block; 12. Guide groove; 13. Storage groove; 14. Steel ball; 15. Semicircular groove; 16. Anti-slip ring; 17. Anti-slip groove; 18. Import slope. DETAILED DESCRIPTION

[0036] The utility model is further described in detail below in conjunction with the accompanying drawings and embodiments.

[0037] Example

[0038] A battery pack for a hair dryer, reference Figure 1-Figure 3 , including a battery pack body 2 which can be installed in a hair dryer and contains batteries 3. In this embodiment, a plurality of batteries 3 are arranged in series in the battery pack body 2. The hair dryer includes an air outlet structure (not shown in the figure) and a handle 1. A mounting structure for mounting the battery pack body 2 in the handle 1 is provided between the handle 1 and the battery pack body 2. The mounting structure includes an insertion hole 4 which is opened at one end and for inserting the battery pack body 2 and is provided on the handle 1 along the extension direction of the handle 1, and a limiting component for limiting the position of the battery pack body 2 when the battery pack body 2 is inserted to the bottom of the insertion hole 4.

[0039] refer to Figure 2-Figure 4 The limiting component includes a sliding groove 5 with two ends extending through the outer wall of the handle 1 set on the bottom surface of the plug-in hole 4, two limiting members set in the sliding groove 5 that can approach each other to limit the battery pack body 2 or move away from each other to release the limitation of the battery pack body 2, and a limiting slot 6 set on the insertion end of the battery pack body 2 for the limiting member to be partially inserted and limit the battery pack body 2. The ends of the two limiting members facing each other extend out of the handle 1. The limiting member includes a slide plate 7 embedded in the sliding groove 5 and able to slide in the sliding groove 5. An L-shaped limiting plate 8 is provided on the slide plate 7 and can be inserted into the limiting slot 6 when the two slide plates 7 move away from each other. The limiting plate 8 in this embodiment is fixed to the slide plate 7 by interference fit. The two L-shaped limiting plates 8 are set at the ends of the two slide plates 7 that are close to each other and the two L-shaped limiting plates 8 are set in opposite directions. The shape of the limiting slot 6 is a convex shape that can cooperate with the two L-shaped limiting plates 8.

[0040] refer to Figure 2-Figure 4 A reset component is also provided between the two slide plates 7 for automatically resetting the two slide plates 7 away from each other when the two slide plates 7 approach each other. The reset component includes a first spring 901 which is provided in the sliding groove 5 and has two ends respectively abutting against the two slide plates 7.

[0041] refer to Figure 8-Figure 11A guide component is also provided between the opening of the plug hole 4 and the battery pack body 2 for guiding when the battery pack body 2 is installed in the plug hole 4. The guide component includes a guide groove 12 symmetrically provided on the outer wall of the battery pack body 2 and extending along the insertion direction of the battery pack body 2, and a guide block 11 that can be inserted into the guide groove 12 to guide the battery pack body 2 when the battery pack body 2 is inserted into the plug hole 4. A rotating component is provided at one end of the plug hole 4 close to the opening to drive the guide block 11 to rotate and further limit the battery pack body 2 inserted into the plug hole 4. The rotating component includes a rotating sleeve 10 sleeved on the open end of the plug hole 4. Figure 5-Figure 7 , Figure 10-11 An anti-slip ring 16 for reducing the detachment of the rotating sleeve 10 from the handle 1 is arranged on the outer wall of the matching part of the handle 1 and the rotating sleeve 10, and an anti-slip groove 17 for inserting the anti-slip ring 16 is arranged on the inner wall of the rotating sleeve 10, and an introduction slope 18 is arranged on the anti-slip ring 16 to facilitate squeezing the rotating sleeve 10 to deform so that the anti-slip ring 16 is inserted into the anti-slip groove 17. The guide block 11 is arranged on the inside of the rotating sleeve 10 and when the battery pack body 2 is inserted into the bottom of the plug hole 4, the guide block 11 is detached from the battery pack body 2, and a guide block 11 is arranged between the rotating sleeve 10 and the outer wall of the handle 1. A damping component is provided to increase the rotational damping of the rotating sleeve 10 when the rotating sleeve 10 rotates a certain angle. The damping component includes a receiving groove 13 symmetrically arranged on the inner wall of the rotating sleeve 10 at the handle 1, a steel ball 14 telescopically arranged in the receiving groove 13, a group of semicircular grooves 15 symmetrically arranged on the outer wall of the handle 1 sleeved in the rotating sleeve 10 and facing the limiting component, and a group of semicircular grooves 15 offset from the limiting component. A second spring 902 is provided in the receiving groove 13 to drive the steel ball 14 to partially extend out of the receiving groove 13 and insert into the semicircular groove 15.

[0042] Specific installation process: When the battery pack 3 needs to be installed in the handle 1, first, rotate the rotating sleeve 10 so that the guide block 11 on the rotating sleeve 10 is opposite to the sliding groove 5. At this time, the guide block 11 on the battery pack body 2 can be aligned with the guide block 11 and inserted into the plug-in hole 4. When the battery pack body 2 is inserted into the plug-in hole 4, it is also necessary to press the two slides 7 extending to the two ends of the outer wall of the handle 1 so that the two slides 7 are close to each other. At this time, the two L-shaped limit plates 8 will also be close to each other. When the battery pack body 2 is inserted to the bottom of the plug-in hole 4, the two limit plates 8 can be partially inserted into the limit slot 6. After that, release the slide plate 7 so that the spring pushes the two slide plates 7 away from each other. At this time, the limit plate 8 will move to the depth of the limit slot 6, thereby limiting the position of the battery pack body 2. At the same time, when the battery pack body 2 is inserted to the bottom of the plug-in hole 4, the guide block 11 will be disengaged from the guide groove 12 on the battery pack body 2, and the rotating sleeve 10 can be rotated at this time to rotate the steel ball 14 on the rotating sleeve 10 to the semicircular groove 15 at the position displaced from the sliding groove 5, and the guide block 11 will abut against the bottom of the battery pack body 2, thereby further reducing the probability of the battery pack body 2 inserted into the plug-in hole 4 falling off the handle 1; when the battery pack body 2 or the battery 3 in the battery pack body 2 needs to be replaced, the rotating sleeve 10 can be rotated first to make the two guide blocks 11 face the guide groove 12 on the battery pack body 2, and then, press the two slide plates 7 at the same time to make the two slide plates 7 close to each other, and at this time the limit plate 8 will gradually come out of the limit slot 6 on the battery pack body 2, and the battery pack body 2 can be removed from the handle 1.

[0043] The above is only a preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A battery pack for a hair dryer, comprising a battery pack body (2) which can be installed in the hair dryer and contains a battery (3), the hair dryer comprising an air outlet structure and a handle (1), a mounting structure for mounting the battery pack body (2) in the handle (1) is provided between the handle (1) and the battery pack body (2), and the characteristics are: The mounting structure comprises an insertion hole (4) which is arranged on the handle (1) along the extension direction of the handle (1) and has an opening at one end for inserting the battery pack body (2), and a limiting component which limits the position of the battery pack body (2) when the battery pack body (2) is inserted to the bottom of the insertion hole (4).

2. A battery pack for a hair dryer according to claim 1, characterized in that: The limiting component comprises a sliding groove (5) provided on the bottom surface of the plug hole (4) and having two ends extending through the outer wall of the handle (1), two limiting members provided in the sliding groove (5) and capable of moving closer to each other to limit the battery pack body (2) or moving away from each other to release the limit on the battery pack body (2), and a limiting slot (6) provided on the insertion end of the battery pack body (2) for partially inserting the limiting member and limiting the battery pack body (2), and the ends of the two limiting members facing each other extend out of the handle (1).

3. A battery pack for a hair dryer according to claim 2, characterized in that: The limiting member comprises a slide plate (7) embedded in the sliding groove (5) and capable of sliding in the sliding groove (5); an L-shaped limiting plate (8) is arranged on the slide plate (7) and can be inserted into the limiting slot (6) when the two slide plates (7) are away from each other; the two L-shaped limiting plates (8) are arranged at one end of the two slide plates (7) approaching each other and the two L-shaped limiting plates (8) are arranged in opposite directions; and the limiting slot (6) is in the shape of a convex letter that can be matched with the two L-shaped limiting plates (8).

4. A battery pack for a hair dryer according to claim 3, characterized in that: A reset component is also provided between the two slide plates (7) for automatically resetting the two slide plates (7) away from each other when the two slide plates (7) are brought closer to each other.

5. A battery pack for a hair dryer according to claim 4, characterized in that: The reset component comprises a first spring (901) which is arranged in the sliding groove (5) and has two ends respectively abutting against two slide plates (7).

6. A battery pack for a hair dryer according to claim 1, characterized in that: A guide component is also provided between the opening of the plug hole (4) and the battery pack body (2) for guiding the battery pack body (2) when it is installed in the plug hole (4).

7. A battery pack for a hair dryer according to claim 6, characterized in that: The guide component comprises a guide groove (12) symmetrically arranged on the outer wall of the battery pack body (2) and extending along the insertion direction of the battery pack body (2), and a guide block (11) that can be inserted into the guide groove (12) to guide the battery pack body (2) when the battery pack body (2) is inserted into the insertion hole (4).

8. A battery pack for a hair dryer according to claim 7, characterized in that: A rotating component is provided at one end of the plug hole (4) close to the opening, driving the guide block (11) to rotate and further limiting the position of the battery pack body (2) inserted into the plug hole (4).

9. A battery pack for a hair dryer according to claim 8, characterized in that: The rotating component comprises a rotating sleeve (10) sleeved on the open end of the plug hole (4); the guide block (11) is arranged on the inside of the rotating sleeve (10) and when the battery pack body (2) is inserted into the bottom of the plug hole (4), the guide block (11) is separated from the battery pack body (2); and a damping component is arranged between the rotating sleeve (10) and the outer wall of the handle (1) to increase the rotation damping of the rotating sleeve (10) when the rotating sleeve (10) rotates a certain angle.

10. A battery pack for a hair dryer according to claim 9, characterized in that: The damping component comprises a receiving groove (13) symmetrically arranged on the inner wall of the rotating sleeve (10) sleeved on the handle (1), a steel ball (14) telescopically arranged in the receiving groove (13), a group of semicircular grooves (15) symmetrically arranged on the outer wall of the handle (1) sleeved in the rotating sleeve (10) and facing the limiting component, and a group of semicircular grooves (15) offset from the limiting component, and a second spring (902) is arranged in the receiving groove (13) to drive the steel ball (14) to partially extend out of the receiving groove (13) and insert into the semicircular groove (15).

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