CN219125596U - Essential oil box and hair care comb - Google Patents

Abstract

The utility model discloses an essential oil box and a hair care comb, wherein the essential oil box comprises a lower cover assembly, an upper cover assembly and a rubber plug, wherein the upper cover assembly is detachably connected with the lower cover assembly, the lower cover assembly is provided with a liquid storage cavity, a liquid inlet communicated with the liquid storage cavity and a liquid outlet communicated with the liquid storage cavity, the upper cover assembly covers the liquid inlet, and the rubber plug is inserted into the liquid inlet and is in interference fit with the liquid inlet so as to enable the rubber plug to be in sealing fit with the inner wall of the liquid inlet. When the essential oil in the liquid storage cavity is used up or is about to be used up, the user can pull down the upper cover assembly, pulls out the plug from the feed liquor hole simultaneously, and the user can add essential oil through the feed liquor hole to the liquid storage cavity, inserts the plug again after the addition is accomplished and forms sealed effect for the essential oil box can repeatedly use, thereby reduces user's use cost.

Description

Essential oil box and hair care comb

Technical Field

The utility model relates to the technical field of combs, in particular to an essential oil box and a hair care comb.

Background

The comb is used as a daily living article for combing hair, and can be divided into a plurality of different types according to functions. Because the life pressure of people is generally larger at present, the problem of hair quality is also serious, so that an essential oil box is arranged on part of the comb, and essential oil can be provided when hair is combed, thereby repairing and improving the hair quality and playing a role in protecting hair.

At present, after the comb provided with the essential oil box is used up, the user needs to replace the essential oil box, even directly replace the whole comb, and the use cost of the user is high.

Disclosure of Invention

In view of the above, the present utility model provides an essential oil cartridge capable of allowing a user to add essential oil by himself and a hair care comb using the same.

In one aspect, the utility model provides an essential oil box, which comprises a lower cover assembly, an upper cover assembly and a rubber plug, wherein the upper cover assembly is detachably connected with the lower cover assembly, the lower cover assembly is provided with a liquid storage cavity, a liquid inlet hole communicated with the liquid storage cavity and a liquid outlet hole communicated with the liquid storage cavity, the upper cover assembly covers the liquid inlet hole, and the rubber plug is inserted into the liquid inlet hole and in interference fit with the liquid inlet hole so as to enable the rubber plug to be in sealing fit with the inner wall of the liquid inlet hole.

In some embodiments, the rubber plug is provided with a rubber plug hole, and the rubber plug hole extends along the axial direction of the liquid inlet hole.

In some embodiments, ribs for supporting the rubber plug are arranged in the rubber plug hole, and the ribs are cross-shaped.

In some embodiments, the upper cover assembly comprises an upper cover and an upper decoration piece positioned on one side of the upper cover, which is far away from the lower cover assembly, the upper cover is provided with a through hole, the rubber plug comprises a body and a flanging positioned on the periphery of the body, the flanging is clamped between the upper cover and the upper decoration piece, and one end of the body penetrates through the through hole and then is inserted into the liquid inlet hole and is in interference fit with the liquid inlet hole.

In some embodiments, the flange is provided with a limiting hole, a limiting column is arranged between the upper cover and the upper decoration, the limiting column is connected with the upper cover or the upper decoration, and the limiting column is inserted into the limiting hole.

In some embodiments, a first magnetic member is disposed within the upper cover assembly, the first magnetic member surrounding the outer periphery of the rubber plug.

In some embodiments, the lower cover assembly includes a lower cover, a lower cover inner shell, and a liquid guiding column, the lower cover inner shell cooperates with the lower cover to form the liquid storage cavity, the liquid inlet is formed in the lower cover inner shell, the liquid outlet is formed in the lower cover, and the liquid guiding column is mounted in the liquid outlet and provided with a flow channel communicated with the liquid storage cavity.

In some embodiments, the lower cover component is provided with a transparent area for observing the interior of the liquid storage cavity, and the transparent area is provided with scale marks.

In some embodiments, the lower cover assembly is provided with a receiving space into which the upper cover assembly is inserted, one of the upper cover assembly and the inner wall of the receiving space is provided with a projection, the other of the upper cover assembly and the inner wall of the receiving space is provided with a clamping groove, the upper cover assembly is inserted into or withdrawn from the clamping groove by rotating, and the clamping groove extends along the rotating direction of the upper cover assembly;

one of the protruding blocks and the groove walls of the clamping groove is provided with a locking block, and the other one of the protruding blocks and the groove walls of the clamping groove is provided with a groove for the locking block to be buckled in.

On the other hand, the utility model also provides a hair care comb, which comprises a comb handle, a comb head connected to one end of the comb handle and the essential oil box, wherein the comb head is provided with a mounting hole, the comb head is provided with a second magnetic piece encircling the mounting hole, and the essential oil box is magnetically matched with the second magnetic piece so as to detachably mount the essential oil box in the mounting hole.

According to the essential oil box provided by the utility model, when the essential oil in the liquid storage cavity is used up or is about to be used up, a user can detach the upper cover assembly and pull out the rubber plug from the liquid inlet hole, the user can add the essential oil into the liquid storage cavity through the liquid inlet hole, and the rubber plug is inserted after the addition is finished to form a sealing effect, so that the essential oil box can be repeatedly used, and the use cost of the user is reduced.

Drawings

Fig. 1 is a schematic structural diagram of an essential oil cartridge according to an embodiment of the present utility model;

FIG. 2 is a cross-sectional view of the essential oil cartridge shown in FIG. 1;

FIG. 3 is an exploded view of a cap assembly and a plug according to one embodiment of the present utility model;

FIG. 4 is an exploded schematic view of the lower cap assembly shown in FIG. 1;

FIG. 5 is an enlarged partial schematic view of FIG. 2A;

FIG. 6 is a top view of the essential oil cartridge shown in FIG. 1;

FIG. 7 is a schematic view of the construction of the upper cover assembly shown in FIG. 1;

FIG. 8 is a schematic view of the structure of the inner shell of the lower cover shown in FIG. 4;

fig. 9 is a partially exploded view of a hair care comb according to an embodiment of the present utility model.

In the figure: 10. an essential oil box; 12. a lower cover assembly; 14. an upper cover assembly; 16. a rubber plug; 18. a liquid storage cavity; 20. a liquid inlet hole; 22. a liquid outlet hole; 24. plugging holes by glue; 26. ribs; 28. an upper cover; 30. an upper decoration; 32. a through hole; 34. a body; 36. flanging; 38. a limiting hole; 40. a limit column; 42. a first magnetic member; 44. a storage groove; 46. a lower cover; 48. a lower cover inner case; 50. a liquid guiding column; 52. a flow passage; 54. a step; 56. a flange; 58. a seal ring; 60. a ball; 62. a spring; 64. a lower decoration; 65. a transparent region; 651. scale marks; 66. a storage space; 68. a bump; 70. a clamping groove; 72. a locking block; 74. a groove; 100. a hair care comb; 110. comb handles; 120. carding; 130. a mounting hole; 140. and a second magnetic member.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.

It should be noted that, in the embodiments of the present utility model, all directional indicators (such as up, down, left, right, front, back, inner, outer, top, bottom … …) are merely used to explain the relative positional relationship between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicators correspondingly change.

It will also be understood that when an element is referred to as being "fixed" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Referring to fig. 1 and 2, an essential oil cartridge 10 according to an embodiment of the present utility model includes a lower cap assembly 12, an upper cap assembly 14, and a rubber stopper 16, wherein the upper cap assembly 14 is detachably connected to the lower cap assembly 12. The lower cover assembly 12 is provided with a liquid storage cavity 18, a liquid inlet hole 20 and a liquid outlet hole 22, wherein the liquid storage cavity 18 is used for containing essential oil, and the liquid inlet hole 20 and the liquid outlet hole 22 are respectively communicated with the liquid storage cavity 18. The upper cover assembly 14 covers the liquid inlet 20, and the rubber plug 16 is connected with the upper cover assembly 14, inserted into the liquid inlet 20 and in interference fit with the liquid inlet 20, so that the rubber plug 16 is in sealing fit with the inner wall of the liquid inlet 20. After the rubber plug 16 has certain elasticity and is inserted into the liquid inlet hole 20 in interference fit with the rubber plug, the rubber plug 16 is in sealing fit with the inner wall of the liquid inlet hole 20, so that a sealing effect is formed on the liquid storage cavity 18, and the essential oil in the liquid storage cavity is prevented from leaking from the liquid inlet hole 20. When the essential oil in the liquid storage cavity 18 is used up or is about to be used up, a user can detach the upper cover assembly 14 from the lower cover assembly 12, pull out the rubber plug 16 from the liquid inlet hole 20 while detaching the upper cover assembly 14, expose the liquid inlet hole 20, enable the user to add the essential oil into the liquid storage cavity 18 through the liquid inlet hole 20, and insert the rubber plug 16 after the addition is completed, so as to form a sealing effect. Because the user can add the essential oil into the liquid storage cavity 18, the essential oil box 10 can be reused, which is beneficial to reducing the use cost of the user.

The upper cover assembly 14 and the lower cover assembly 12 can be detachably connected through a rubber plug 16, or can be realized through corresponding connecting structures such as a buckling structure and the like between the upper cover assembly 14 and the lower cover assembly 12.

Referring to fig. 3, the rubber stopper 16 is provided with a stopper hole 24, and the stopper hole 24 extends along the axial direction of the liquid inlet 20. The rubber plug 16 is provided with the rubber plug hole 24, so that the elasticity of the rubber plug 16 can be improved, and the rubber plug 16 can be conveniently inserted into the liquid inlet hole 20.

The specific shape of the rubber stopper 16 is not limited, and in this embodiment, the rubber stopper 16 has a long cylindrical shape, and the stopper hole 24 extends in the axial direction of the rubber stopper 16.

A rib 26 is provided in the plug hole 24, and the rib 26 can support the plug 16. Because the rubber plug 16 is long cylindric, its length is longer, sets up the stopper hole 24 and can lead to the too easy deformation that produces of rubber plug 16, and then influences the sealed effect of rubber plug 16, consequently, through set up rib 26 support rubber plug 16 in the rubber plug hole 24 to strengthen the anti deformability of rubber plug 16, finally make the rubber plug 16 under the prerequisite that does not influence its sealed effect, make things convenient for in the rubber plug 16 inserts feed liquor hole 20.

The specific shape of the rib 26 is not limited, and in this embodiment, the rib 26 is cross-shaped, which enhances the deformation resistance of the rubber stopper 16 in two directions perpendicular to each other.

As shown in fig. 2 and 3, in some embodiments, the upper cover assembly 14 includes an upper cover 28 and an upper trim 30 on a side of the upper cover 28 remote from the lower cover assembly 12, the upper cover 28 is detachably connected to the lower cover assembly 12, and the upper cover 28 is provided with a through hole 32 at a position corresponding to the liquid inlet hole 20. The rubber plug 16 comprises a body 34 and a turned edge 36 positioned at the periphery of the body 34, the turned edge 36 is clamped between the upper cover 28 and the upper decoration 30, and one end of the body 34 penetrates through the through hole 32 and then is inserted into the liquid inlet 20 and is in interference fit with the liquid inlet 20. When the rubber stopper 16 and the upper cover assembly 14 are assembled together, the body 34 of the rubber stopper 16 can pass through the through hole 32, then the upper decorating part 30 and the upper cover 28 are fixed together, the flange 36 of the rubber stopper 16 can be clamped between the upper decorating part 30 and the upper cover 28, the rubber stopper 16 is prevented from being separated from the upper cover assembly 14, and when the upper cover assembly 14 and the lower cover assembly 12 are fixedly connected or the upper cover assembly 14 is detached from the lower cover assembly 12, a user can synchronously insert the rubber stopper 16 into the liquid inlet hole 20 or pull out the rubber stopper 16 from the liquid inlet hole 20, so that the assembly and the disassembly modes are simple. And the upper decoration 30 can cover the rubber plug 16, the through hole 32 and the like, and avoid exposure, so as to improve the aesthetic property of the essential oil box 10.

The flange 36 of the plug 16 is provided with a limiting hole 38, and a limiting post 40 is arranged between the upper cover 28 and the upper decoration 30, and the limiting post 40 is inserted into the limiting hole 38 to prevent the plug 16 from rotating relative to the upper cover assembly 14.

It will be appreciated that the spacing post 40 is disposed between the upper cover 28 and the upper trim 30, which may be referred to as the spacing post 40 being fixed to the upper cover 28 or the spacing post 40 being fixed to the upper trim 30. In this embodiment, a stopper post 40 is fixed to a side of the upper cover 28 adjacent to the upper trim 30 and passes through the stopper hole 38.

The specific number of the stopper posts 40 and the stopper holes 38 is not limited, and may be one or more. In this embodiment, the number of the limiting posts 40 and the limiting holes 38 is plural, and the limiting posts 40 are in one-to-one correspondence with each other, i.e. each limiting post 40 is inserted into a corresponding limiting hole 38, so as to further enhance the effect of preventing the rubber plug 16 from rotating. Specifically, the number of the limiting posts 40 and the limiting holes 38 is four, the four limiting posts 40 are uniformly distributed around the circumferential direction of the through hole 32 at intervals, and the four limiting holes 38 are uniformly distributed around the circumferential direction of the rubber plug hole 24 at intervals.

In some embodiments, a first magnetic member 42 is disposed within the upper cover assembly 14, the first magnetic member 42 surrounding the outer periphery of the rubber stopper 16. The first magnetic member 42 may be a magnet, or may be a metal or alloy that can be attracted to a magnet, and in this embodiment, the first magnetic member 42 is a magnet. By providing the first magnetic member 42 in the upper cap assembly 14, the essential oil cartridge 10 has a certain magnetic property, so that the essential oil cartridge 10 can be fixedly mounted on other objects (for example, a comb head) through a magnetic attraction manner.

The upper cover 28 is provided with a receiving groove 44 on a side close to the upper decoration 30, and the first magnetic member 42 is accommodated in the receiving groove 44 and is sandwiched between the upper cover 28 and the upper decoration 30.

The specific number of the first magnetic members 42 is not limited, and may be one or a plurality. In this embodiment, the number of the first magnetic members 42 is four, the number of the receiving grooves 44 on the upper cover 28 is also four, the four receiving grooves 44 are circumferentially spaced around the periphery of the through hole 32, and each receiving groove 44 accommodates one first magnetic member 42 therein.

Referring to fig. 2, 4 and 5, in some embodiments, the lower cover assembly 12 includes a lower cover 46, a lower cover inner housing 48, and a liquid guiding column 50, the lower cover inner housing 48 cooperates with the lower cover 46 to form the liquid storage cavity 18, the liquid inlet 20 is disposed on the lower cover inner housing 48, the liquid outlet 22 is disposed on the lower cover 46, and the liquid guiding column 50 is mounted on the liquid outlet 22 and provided with a flow channel 52 communicating with the liquid storage cavity 18, so that the essential oil in the liquid storage cavity 18 can flow out along the flow channel 52 in the liquid guiding column 50. Specifically, the lower cover 46 and the lower cover inner housing 48 are each provided with a cavity, and the lower cover inner housing 48 is partially inserted into the cavity of the lower cover 46, thereby forming the liquid storage chamber 18.

The liquid outlet 22 is internally provided with a step 54, the outer side of the liquid guiding column 50 is provided with a flange 56, the lower cover inner shell 48 is partially inserted into the lower cover 46 and the flange 56 is pressed on the step 54, so that the fixing of the liquid guiding column 50 is realized, and the liquid guiding column 50 is prevented from being separated from the lower cover 46.

A sealing ring 58 is arranged between the liquid guiding column 50 and the inner wall of the liquid outlet 22 to prevent the essential oil in the liquid storage cavity 18 from leaking from the gap between the liquid guiding column 50 and the inner wall of the liquid outlet 22.

The flow channel 52 of the liquid guiding column 50 is internally provided with a ball 60 and a spring 62 abutting against the ball 60, and the ball 60 is positioned at one end of the flow channel 52 away from the liquid storage cavity 18 and can seal the flow channel 52 under the action of the spring 62. In the use process, when the ball 60 is extruded, the ball 60 moves towards the direction of the liquid storage cavity 18 and extrudes the spring 62, the essential oil can flow out from the gap between the ball 60 and the inner wall of the runner 52, when the extrusion of the ball 60 is eliminated, the ball 60 moves towards the direction away from the liquid storage cavity 18 under the action of the spring 62 and blocks one end of the runner 52 away from the liquid storage cavity 18, so that the essential oil is prevented from flowing out to cause waste when not in use.

The specific number of the liquid guiding columns 50 is not limited, and may be one or a plurality, and in this embodiment, the number of the liquid guiding columns 50 is a plurality, and the plurality of liquid guiding columns 50 are uniformly arranged around the circumferential direction of the lower cover 46 at intervals.

In one embodiment, the lower cap assembly 12 further includes a lower trim 64, the lower trim 64 being cylindrical and sleeved outside the lower cap inner housing 48 and the lower cap 46.

As shown in fig. 6, the lower cover assembly 12 is provided with a transparent area 65 for viewing the inside of the liquid storage chamber 18, and the transparent area 65 is provided with graduation marks 651. The user can observe the condition of the essential oil in the liquid storage cavity 18 through the transparent area 65, and compare the liquid level of the essential oil with the scale mark 651, so that the user can more intuitively know the quantity of the essential oil in the liquid storage cavity 18, and the user can conveniently and timely add the essential oil into the liquid storage cavity 18.

The specific position of the transparent region 65 is not limited, and may be, for example, provided at the bottom of the lower cover assembly 12 or may be provided on the outer side of the lower cover assembly 12 in the circumferential direction. In the present embodiment, the transparent area 65 is disposed at the bottom of the lower cover 46, i.e., at the side of the lower cover 46 away from the upper cover assembly 14, and the plurality of liquid guiding columns 50 are surrounded on the periphery of the transparent area 65.

Referring to fig. 2, 7 and 8, in some embodiments, the upper and lower cap assemblies 14 and 12 are removably connected by snap fit, and the upper cap assembly 14 is snap fit or disengaged from the lower cap assembly 12 by rotation. By rotating the upper cover assembly 14, the upper cover assembly 14 can be mounted on the lower cover assembly 12 or the upper cover assembly 14 can be dismounted from the lower cover assembly 12, so that the operation is simple and the use is convenient for users.

The lower cap assembly 12 is provided with a receiving space 66 into which the upper cap assembly 14 is inserted, one of the inner walls of the upper cap assembly 14 and the receiving space 66 is provided with a projection 68, and the other of the inner walls of the upper cap assembly 14 and the receiving space 66 is provided with a catching groove 70 into which the projection 68 is inserted, the catching groove 70 extending in the rotation direction of the upper cap assembly 14. Specifically, the upper cover 28 of the upper cover assembly 14 is provided with a clamping groove 70, the lower cover inner shell 48 of the lower cover assembly 12 is provided with a protruding block 68, and when the protruding block 68 is inserted into the clamping groove 70 in the process of rotating the upper cover assembly 14, the protruding block 68 and the clamping groove 70 cooperate to form a limiting effect on the upper cover assembly 14 in the axial direction, so that the upper cover assembly 14 and the lower cover assembly 12 are in snap fit; by rotating the upper lid assembly 14 in the opposite direction, the tab 68 can be withdrawn from the slot 70, thereby disengaging the upper lid assembly 14 from the lower lid assembly 12.

In another embodiment, the detent 70 may be provided on the lower inner shell 48 of the lower cap assembly 12 and the tab 68 provided on the upper cap 28 of the upper cap assembly 14.

The specific number of the protruding blocks 68 and the card slots 70 is not limited, and in this embodiment, the number of the protruding blocks 68 and the card slots 70 is plural and corresponds to each other, so that each protruding block 68 can be matched with a corresponding card slot 70. Specifically, the number of the projections 68 and the card slots 70 is four, and the four projections 68 are arranged on the inner wall of the receiving space 66 at intervals along the circumferential direction of the inner casing of the upper cover 28.

In one embodiment, the protrusion 68 is provided with a locking block 72, and the slot wall of the slot 70 is correspondingly provided with a groove 74 into which the locking block 72 is buckled. During rotation of the upper cover assembly 14, the locking block 72 will be snapped into the recess 74 or withdrawn from the recess 74 to achieve locking or unlocking. The risk of the upper and lower cap assemblies 14, 12 automatically disengaging from the snap fit when the lock blocks 72 snap into the grooves 74 is reduced.

In another embodiment, the protrusion 68 may be provided with a groove 74, and the slot wall of the slot 70 may be provided with a locking block 72.

The specific number of the locking blocks 72 and the grooves 74 is not limited, and in this embodiment, the locking blocks 72 and the grooves 74 are the same and correspond to each other one by one, and each of the protrusions 68 is provided with one locking block 72.

Referring to fig. 9, the present utility model further provides a hair care comb 100, which includes a comb handle 110, a comb head 120 connected to one end of the comb handle 110, and the above-mentioned essential oil box 10, wherein the comb head 120 is provided with a mounting hole 130, and the essential oil box 10 is detachably mounted in the mounting hole 130. In the process of combing the hair by the hair care comb 100, the head of the user contacts with the ball 60 on the liquid guide column 50 and presses the ball 60, so that the essential oil in the liquid storage cavity 18 can flow out to the hair along the flow channel 52 to repair and improve the hair quality, and the hair care comb 100 can comb the hair and simultaneously form a hair care effect. Also, since the essential oil cartridge 10 is detachably installed in the installation hole 130, when the essential oil in the essential oil cartridge 10 is insufficient, the user can detach the essential oil cartridge 10 from the comb head 120 so that the user can add the essential oil.

In this embodiment, the comb 120 is provided with a second magnetic member 140 surrounding the mounting hole 130, and the essential oil cartridge 10 is magnetically engaged with the second magnetic member 140 to detachably mount the essential oil cartridge 10 in the mounting hole 130. The first magnetic member 42 is disposed in the upper cover assembly 14 of the essential oil cartridge 10, and when the essential oil cartridge 10 is placed in the mounting hole 130, the first magnetic member 42 in the upper cover assembly 14 magnetically cooperates with the second magnetic member 140 on the comb 120, so that the essential oil cartridge 10 is mounted in the mounting hole 130. The magnetic attraction matching mode ensures that the installation and the disassembly operations of the essential oil box 10 are very simple, and the use is convenient for users.

The specific type of the second magnetic member 140 is not limited, and may be a magnet or a metal attracted by a magnet as long as the second magnetic member 140 can be attracted by the first magnetic member 42, and in the present embodiment, the second magnetic member 140 is a metal that can be attracted by a magnet.

The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.

Claims (10)

1. The utility model provides an essential oil box, its characterized in that, including lower cover subassembly, with lower cover subassembly detachable connection's upper cover subassembly and plug, lower cover subassembly be equipped with the stock solution chamber, with the feed liquor hole of stock solution chamber intercommunication, and with the play liquid hole of stock solution chamber intercommunication, upper cover subassembly covers the feed liquor hole, the plug insert in the feed liquor hole and with feed liquor hole interference fit, so that the plug with the inner wall seal laminating of feed liquor hole.

2. The essential oil cartridge of claim 1, wherein the rubber plug is provided with a rubber plug hole, and the rubber plug hole extends along the axial direction of the liquid inlet hole.

3. The essential oil box according to claim 2, wherein ribs for supporting the rubber plug are arranged in the rubber plug hole, and the ribs are cross-shaped.

4. The essential oil cartridge of claim 1, wherein the upper cover assembly comprises an upper cover and an upper decorating part positioned on one side of the upper cover, far away from the lower cover assembly, the upper cover is provided with a through hole, the rubber plug comprises a body and a flanging positioned on the periphery of the body, the flanging is clamped between the upper cover and the upper decorating part, and one end of the body is inserted into the liquid inlet hole and in interference fit with the liquid inlet hole after passing through the through hole.

5. The essential oil cartridge of claim 4, wherein the flange is provided with a limiting hole, a limiting column is arranged between the upper cover and the upper decorating part, the limiting column is connected with the upper cover or the upper decorating part, and the limiting column is inserted into the limiting hole.

6. The essential oil cartridge of claim 1, wherein a first magnetic member is disposed within the upper cover assembly, the first magnetic member surrounding the outer periphery of the rubber plug.

7. The essential oil cartridge of claim 1, wherein the lower cap assembly comprises a lower cap, a lower cap inner shell and a liquid guiding column, the lower cap inner shell is matched with the lower cap to form the liquid storage cavity, the liquid inlet is arranged on the lower cap inner shell, the liquid outlet is arranged on the lower cap, and the liquid guiding column is arranged on the liquid outlet and is provided with a flow channel communicated with the liquid storage cavity.

8. The essential oil cartridge of claim 1, wherein the lower cap assembly is provided with a transparent area for viewing the interior of the liquid storage chamber, and wherein the transparent area is provided with graduation marks.

9. The essential oil cartridge according to any one of claims 1 to 8, wherein the lower cap assembly is provided with a receiving space into which the upper cap assembly is inserted, one of the upper cap assembly and an inner wall of the receiving space is provided with a projection, the other of the upper cap assembly and the inner wall of the receiving space is provided with a catching groove, and the upper cap assembly is rotated to insert or withdraw the projection into or from the catching groove, the catching groove extending in a rotation direction of the upper cap assembly;

one of the protruding blocks and the groove walls of the clamping groove is provided with a locking block, and the other one of the protruding blocks and the groove walls of the clamping groove is provided with a groove for the locking block to be buckled in.

10. A hair care comb, characterized by comprising a comb handle, a comb head connected to one end of the comb handle and an essential oil box according to any one of claims 1-9, wherein the comb head is provided with a mounting hole, the comb head is provided with a second magnetic piece encircling the periphery of the mounting hole, and the essential oil box is magnetically matched with the second magnetic piece so as to detachably mount the essential oil box in the mounting hole.

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