Red and blue light treatment device for dermatological nursing

By introducing adjusting parts and driving parts into the red and blue light treatment device, the problem that the existing devices cannot adapt to different face shapes is solved, uniform face illumination is achieved, and treatment effect and experience are improved.

CN222605237UActive Publication Date: 2025-03-14成琳
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Patent Information

Application Number
CN202420823152.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-19
Publication Date
2025-03-14
Estimated Expiration
2034-04-19

AI Technical Summary

Technical Problem

Due to the consistent curve of the device, the existing red and blue light treatment devices cannot adapt to patients with different face shapes, resulting in incomplete facial irradiation, which affects the treatment experience and effect.

Method used

A device including a red and blue light treatment component and an auxiliary component is designed. The red and blue light treatment component adjusts the position and angle of the red and blue light irradiation device through the adjustment component, and the auxiliary component realizes the reciprocating movement of the irradiated light through the driving component to adapt to the needs of different face shapes.

Benefits of technology

By adjusting and moving the red and blue light irradiation device body, even irradiation of different face shapes can be achieved, improving the treatment effect and experience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a dermatological nursing red and blue light treatment device, which comprises a red and blue light treatment assembly, the red and blue light treatment assembly comprises a heat dissipation shell, a red and blue light irradiation device body, a support plate and an adjusting piece, the red and blue light irradiation device body is fixed at the bottom of the heat dissipation shell, and the support plate is fixed on the heat dissipation shell. The red and blue light irradiation device bodies and the heat dissipation shells are arranged in three sets, the connecting positions of the three heat dissipation shells are connected through shaft pins, the supporting plate is fixed to the two sides of the top of one heat dissipation shell, and the adjusting piece is fixed to one side of the supporting plate. The utility model has the beneficial effects that the red and blue light irradiation device bodies on the two sides are conveniently adjusted through the red and blue light treatment assembly, so that the red and blue light irradiation device bodies can be suitable for faces with different sizes and contours, and the auxiliary assembly is used for conveniently reciprocating irradiation light, so that the range of face irradiation is enlarged; all positions of the face can be uniformly irradiated by red and blue light, and the red and blue light treatment effect is greatly improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of skin care, in particular to a red and blue light treatment device for dermatological care. Background Art

[0002] The red and blue light therapy device uses high-purity, high-power density red light, blue light and yellow light to irradiate the skin, which can change the cell structure, kill bacteria, provide a suitable environment for new cells, enhance the production of new collagen elastin and collagen, and promote cell growth; it can repair inflammatory acne and aging skin, relieve sunburned skin without damaging the skin, and can whiten the skin and promote skin elasticity.

[0003] However, in the current use of red and blue light therapy devices, the devices are generally one-piece shell type. When treating different patients, the facial contours of the patients are of different sizes, but the curvature of the output device of the red and blue light therapy device is consistent. As a result, when irradiating the patient's face, the face cannot be fully irradiated. The light source at the edge does not have as high an irradiation intensity as the light source in the middle. Therefore, when full irradiation is needed, the patient's head needs to be moved, which affects the treatment experience and effect. Utility Model Content

[0004] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and utility model name of this application to avoid blurring the purpose of this section, specification abstract and utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] In view of the above-mentioned and / or existing problems in the existing red and blue light treatment devices for dermatological care, the present utility model is proposed.

[0006] Therefore, the problem to be solved by the present invention is that in the use of the red and blue light therapy device in the prior art, the device is generally an integrated shell type. When treating different patients, the facial contours of the patients are of different sizes, but the curvature of the output device of the red and blue light therapy device is consistent, resulting in that when irradiating the patient's face, the face cannot be fully irradiated, thus affecting the treatment experience and effect.

[0007] To solve the above technical problems, the utility model provides the following technical solutions: a red and blue light therapy device for dermatological care, comprising a red and blue light therapy component, wherein the red and blue light therapy component comprises a heat dissipation shell, a red and blue light irradiation device body, a support plate and an adjusting member, wherein the red and blue light irradiation device body is fixed to the bottom of the heat dissipation shell, the red and blue light irradiation device body and the heat dissipation shell are arranged in three groups, and the joints of the three heat dissipation shells are connected by axle pins, the support plate is fixed to both sides of the top of one of the heat dissipation shells, and the adjusting member is fixed to one side of the support plate; and an auxiliary component, wherein the auxiliary component is arranged at the top of one of the heat dissipation shells, the auxiliary component comprises a connecting shell, a mounting frame, a limiting plate and a driving member, the connecting shell is arranged at the top of the heat dissipation shell, the mounting frame is fixed to the top of the connecting shell, and the limiting plate is fixed to the top of one of the heat dissipation shells.

[0008] As a preferred solution of the red and blue light treatment device for dermatological care described in the utility model, the red and blue light treatment component also includes a heat sink and a fan, the heat sink is fixed to the top of the red and blue light irradiation device body, and the fan is fixed to the top of the inner cavity of the heat dissipation shell.

[0009] As a preferred solution of the red and blue light treatment device for dermatological care described in the utility model, the adjusting part includes a limit shell, a screw, a torsion block and a threaded sleeve, the limit shell is fixed to one side of the support plate, the screw is arranged in the inner cavity of the limit shell, and one side passes through to the outside of the support plate and is fixedly connected to the torsion block, and the threaded sleeve is sleeved on the surface of the screw.

[0010] As a preferred solution of the red and blue light treatment device for dermatological care described in the utility model, the adjusting member further comprises a first hinge seat, a guide plate and a second hinge seat, the first hinge seat is fixed to the bottom of the threaded sleeve, and the bottom is movably connected to the guide plate, the side of the guide plate away from the first hinge seat is movably connected to the second hinge seat, and the bottoms of the two second hinge seats are respectively fixedly connected to two of the heat dissipation shells.

[0011] As a preferred solution of the red and blue light treatment device for dermatological care described in the utility model, the adjusting member further includes a bearing ring, which is fixed to one side of the screw rod and fixedly connected to the support plate on the other side.

[0012] As a preferred solution of the red and blue light treatment device for dermatological care described in the utility model, the red and blue light treatment component also includes a reinforcing rib, which is fixed to one side of the support plate and fixedly connected to the heat dissipation shell at the bottom.

[0013] As a preferred solution of the red and blue light therapy device for dermatological care described in the utility model, the auxiliary component also includes a slide rail and a sliding plate, the slide rail is fixed to the front and rear sides of the top of one of the heat dissipation shells, and the inner cavity is slidably connected to the sliding plate, and the opposite sides of the two sliding plates are fixedly connected to the connecting shell.

[0014] As a preferred solution of the red and blue light treatment device for dermatological care described in the utility model, the auxiliary component also includes a shape plate and an extension plate, the shape plate is fixed on both sides of the limiting plate, the extension plate is fixed on the top of the shape plate, and the opposite sides are fixedly connected to the support plate, and the opposite sides of the two extension plates penetrate into the inner cavity of the connecting shell.

[0015] As a preferred solution of the red and blue light therapy device for dermatological care described in the utility model, the driving member includes an electric push rod, a fixed plate, a first tooth plate, a gear, and a second tooth plate. The electric push rod is fixed to the right side of the inner cavity of the connecting shell, the fixed plate is fixed to the left side of the electric push rod, and the bottom is fixedly connected to the first tooth plate. The gear is fixed to the inner cavity of the connecting shell through a rotating shaft, and the bottom is meshedly connected to the second tooth plate, and the bottom of the second tooth plate is fixedly connected to the limiting plate.

[0016] As a preferred solution of the red and blue light treatment device for dermatological care described in the utility model, the driving member further includes a reinforcement ring, which is fixed to one side of the electric push rod and fixedly connected to the inner wall of the connecting shell on the other side.

[0017] The beneficial effects of the utility model are as follows: the red and blue light treatment components are used to conveniently adjust the red and blue light irradiation device bodies on both sides so that they can be used for faces of different sizes and contours; the auxiliary components are used to conveniently move the irradiation light back and forth, thereby increasing the range of facial irradiation, so that all parts of the face can be evenly irradiated by the red and blue light, greatly improving the effect of the red and blue light treatment. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0019] Figure 1 This is the overall structural diagram of the red and blue light treatment device for dermatological care.

[0020] Figure 2 This is another perspective diagram of the overall structure of the red and blue light therapy device for dermatological care.

[0021] Figure 3 This is a cross-sectional structural diagram of the heat dissipation shell of the red and blue light treatment device for dermatological care.

[0022] Figure 4 This is a structural diagram of the regulating parts of the red and blue light treatment device for dermatological care.

[0023] Figure 5 This is a structural diagram of the driving components of the red and blue light therapy device for dermatological care.

[0024] Reference numerals in the figure: 100, red and blue light treatment component; 101, heat dissipation shell; 102, red and blue light irradiation device body; 103, support plate; 104, adjustment member; 104a, limit shell; 104b, screw rod; 104c, torsion block; 104d, threaded sleeve; 104e, first hinge seat; 104f, guide plate; 104g, second hinge seat; 104h, bearing ring; 105, heat dissipation plate; 106 , fan; 107, reinforcing ribs; 200, auxiliary components; 201, connecting shell; 202, mounting frame; 203, limiting plate; 204, driving member; 204a, electric push rod; 204b, fixing plate; 204c, first tooth plate; 204d, gear; 204e, second tooth plate; 204f, reinforcement ring; 205, slide rail; 206, sliding plate; 207, L-shaped plate; 208, extension plate. DETAILED DESCRIPTION

[0025] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0026] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0027] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0028] Example 1

[0029] Reference Figure 1 to Figure 5, which is the first embodiment of the utility model. This embodiment provides a red-blue light therapy device for dermatological care. The red-blue light therapy device for dermatological care includes a red-blue light therapy component 100 and an auxiliary component 200. By setting the red-blue light therapy component 100, it is convenient to adjust the red-blue light irradiation device body 102 on both sides so that it can be suitable for faces of different sizes and contours. The auxiliary component 200 facilitates the reciprocating movement of the irradiation light, thereby increasing the range of facial irradiation, so that all positions on the face can be evenly irradiated by red and blue light, greatly improving the effect of red and blue light therapy.

[0030] The red and blue light therapy component 100 includes a heat dissipation shell 101, a red and blue light irradiation device body 102, a support plate 103 and an adjustment member 104. The red and blue light irradiation device body 102 is fixed to the bottom of the heat dissipation shell 101. The red and blue light irradiation device body 102 and the heat dissipation shell 101 are arranged in three groups, and the three heat dissipation shells 101 are connected at the joints by axle pins. The support plate 103 is fixed to both sides of the top of one of the heat dissipation shells 101, and the adjustment member 104 is fixed to one side of the support plate 103.

[0031] The heat dissipation shell 101 facilitates the heat dissipation of the red and blue light irradiation device body 102, and the red and blue light irradiation device body 102 facilitates the treatment of the patient's face. The support plate 103 facilitates the installation of the adjustment member 104, and the adjustment member 104 facilitates the adjustment of the red and blue light irradiation device bodies 102 on both sides to better fit the patient's face. The red and blue light irradiation device body 102 is a prior art, and this solution will not be elaborated in detail, and those skilled in the art can clearly understand the working principle.

[0032] Auxiliary component 200, the auxiliary component 200 is arranged on the top of one of the heat dissipation shells 101, the auxiliary component 200 includes a connecting shell 201, a mounting frame 202, a limiting plate 203 and a driving member 204, the connecting shell 201 is arranged on the top of the heat dissipation shell 101, the mounting frame 202 is fixed to the top of the connecting shell 201, and the limiting plate 203 is fixed to the top of one of the heat dissipation shells 101.

[0033] The connecting shell 201 facilitates the support of the driving member 204, the mounting frame 202 facilitates the installation and suspension of the device, and the limiting plate 203 facilitates the use of the driving member 204. The driving member 204 can make the red and blue light irradiation device body 102 reciprocate during irradiation to increase the irradiation range.

[0034] Example 2

[0035] Reference Figure 3 and Figure 4 , which is the second embodiment of the utility model, and this embodiment is based on the previous embodiment.

[0036] Specifically, the red and blue light treatment component 100 also includes a heat sink 105 and a fan 106 . The heat sink 105 is fixed to the top of the red and blue light irradiation device body 102 , and the fan 106 is fixed to the top of the inner cavity of the heat dissipation shell 101 .

[0037] The heat dissipation plates 105 are strip-shaped and arranged in an array, so as to dissipate the heat of the red and blue light irradiation device body 102 conveniently, and the heat is discharged conveniently through the fan 106 .

[0038] Specifically, the adjusting member 104 includes a limiting shell 104a, a screw 104b, a torsion block 104c and a threaded sleeve 104d. The limiting shell 104a is fixed to one side of the support plate 103. The screw 104b is arranged in the inner cavity of the limiting shell 104a, and one side passes through the outside of the support plate 103 and is fixedly connected to the torsion block 104c. The threaded sleeve 104d is sleeved on the surface of the screw 104b.

[0039] The screw rod 104b can be conveniently rotated in the inner cavity of the limiting shell 104a by twisting the twist block 104c, and the threaded sleeve 104d will move when the screw rod 104b rotates.

[0040] Specifically, the adjustment member 104 also includes a first hinge seat 104e, a guide plate 104f and a second hinge seat 104g. The first hinge seat 104e is fixed to the bottom of the threaded sleeve 104d, and the bottom is movably connected to the guide plate 104f. The side of the guide plate 104f away from the first hinge seat 104e is movably connected to the second hinge seat 104g, and the bottoms of the two second hinge seats 104g are respectively fixedly connected to two of the heat dissipation shells 101.

[0041] When the threaded sleeve 104d moves, the first hinge seat 104e will be driven to move, and the movement of the first hinge seat 104e will drive the guide plate 104f to move, and the movement of the guide plate 104f will drive the second hinge seat 104g to move. At this time, the single red and blue light irradiation device body 102 on the side can be adjusted to adapt to the patient's face.

[0042] Specifically, the adjusting member 104 further includes a bearing ring 104 h , which is fixed to one side of the screw rod 104 b and fixedly connected to the support plate 103 on the other side.

[0043] The rotation of the auxiliary screw 104b is facilitated by the bearing ring 104h.

[0044] Specifically, the red and blue light treatment component 100 further includes a reinforcing rib 107 , which is fixed to one side of the support plate 103 and fixedly connected to the heat dissipation shell 101 at the bottom.

[0045] The support plate 103 is reinforced by the fixed connection between the reinforcing ribs 107 and the heat dissipation shell 101 .

[0046] Specifically, the auxiliary component 200 also includes a slide rail 205 and a slide plate 206. The slide rail 205 is fixed to the front and rear sides of the top of one of the heat dissipation shells 101, and the inner cavity is slidably connected to the slide plate 206. The opposite sides of the two slide plates 206 are fixedly connected to the connecting shell 201.

[0047] The sliding connection between the sliding plate 206 and the sliding rail 205 plays a role in auxiliary support of the connecting shell 201 .

[0048] Example 3

[0049] Reference Figure 4 and Figure 5 , which is the third embodiment of the utility model, and this embodiment is based on the first two embodiments.

[0050] Specifically, the auxiliary component 200 also includes an L-shaped plate 207 and an extension plate 208. The L-shaped plate 207 is fixed on both sides of the limiting plate 203, and the extension plate 208 is fixed on the top of the L-shaped plate 207, and the opposite sides are fixedly connected to the support plate 103, and the opposite sides of the two extension plates 208 penetrate into the inner cavity of the connecting shell 201.

[0051] By fixing the L-shaped plate 207 and the extension plate 208 , the stability of the connection shell 201 during movement can be improved, and the connection strength between the support plate 103 and the limiting plate 203 can be improved.

[0052] Specifically, the driving member 204 includes an electric push rod 204a, a fixed plate 204b, a first tooth plate 204c, a gear 204d, and a second tooth plate 204e. The electric push rod 204a is fixed to the right side of the inner cavity of the connecting shell 201, the fixed plate 204b is fixed to the left side of the electric push rod 204a, and the bottom is fixedly connected to the first tooth plate 204c, the gear 204d is fixed to the inner cavity of the connecting shell 201 through a rotating shaft, and the bottom is meshed and connected with the second tooth plate 204e, and the bottom of the second tooth plate 204e is fixedly connected to the limit plate 203.

[0053] The electric push rod 204a is driven to reciprocate and extend so that the fixed plate 204b drives the first tooth plate 204c to move. At this time, the first tooth plate 204c will engage the gear 204d to rotate, and when the gear 204d rotates, it will engage the second tooth plate 204e to move. As the second tooth plate 204e moves, it is convenient to drive the limit plate 203 to move the heat dissipation shell 101, thereby expanding the range of irradiation of the patient's face by the red and blue light irradiation device body 102, so that all positions of the face can be evenly irradiated by the red and blue light, greatly improving the effect of red and blue light treatment.

[0054] Specifically, the driving member 204 further includes a reinforcement ring 204 f , which is fixed to one side of the electric push rod 204 a and fixedly connected to the inner wall of the connecting shell 201 on the other side.

[0055] The fixed connection between the reinforcing ring 204f and the connecting shell 201 serves to reinforce the electric push rod 204a.

[0056] During use, when the user needs to dissipate heat from the red and blue light irradiation device body 102, the heat can be dissipated through the heat sink 105 by turning on the fan 106. When the user needs to adjust the irradiation angle of the red and blue light irradiation device body 102, the user first twists the twist block 104c to facilitate the screw 104b to rotate in the inner cavity of the limiting shell 104a. When the screw 104b rotates, the threaded sleeve 104d will move. When the threaded sleeve 104d moves, it will drive the first hinge seat 104e to move. As the first hinge seat 104e moves, the guide plate 104f will move. As the guide plate 104f moves, the second hinge seat 104g will move. At this time, A single red-blue light irradiation device body 102 on the side is adjusted to fit the patient's face. At the same time, the electric push rod 204a can be driven to reciprocate and extend so that the fixed plate 204b drives the first tooth plate 204c to move. At this time, the first tooth plate 204c will engage the gear 204d to rotate, and when the gear 204d rotates, it will engage the second tooth plate 204e to move. As the second tooth plate 204e moves, it is convenient to drive the limit plate 203 to move the heat dissipation shell 101. At this time, the shell 201 is connected, so that the red-blue light irradiation device body 102 can expand the range of irradiation of the patient's face, so that all positions on the face can be evenly irradiated by red and blue light, greatly improving the effect of red and blue light treatment.

[0057] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A red and blue light treatment device for dermatological care, characterized in that: include, A red-blue light therapy component (100), the red-blue light therapy component (100) comprising a heat dissipation shell (101), a red-blue light irradiation device body (102), a support plate (103) and an adjustment member (104), the red-blue light irradiation device body (102) being fixed to the bottom of the heat dissipation shell (101), the red-blue light irradiation device body (102) and the heat dissipation shell (101) being arranged in three groups, and the joints of the three heat dissipation shells (101) are connected by a shaft pin, the support plate (103) is fixed to both sides of the top of one of the heat dissipation shells (101), and the adjustment member (104) is fixed to one side of the support plate (103); and, An auxiliary component (200), the auxiliary component (200) being arranged on the top of one of the heat dissipation shells (101), the auxiliary component (200) comprising a connecting shell (201), a mounting frame (202), a limiting plate (203) and a driving member (204), the connecting shell (201) being arranged on the top of the heat dissipation shell (101), the mounting frame (202) being fixed on the top of the connecting shell (201), and the limiting plate (203) being fixed on the top of one of the heat dissipation shells (101).

2. The red and blue light treatment device for dermatological care according to claim 1, characterized in that: The red and blue light treatment component (100) further comprises a heat sink (105) and a fan (106); the heat sink (105) is fixed to the top of the red and blue light irradiation device body (102); and the fan (106) is fixed to the top of the inner cavity of the heat dissipation shell (101).

3. The red and blue light treatment device for dermatological care according to claim 2, characterized in that: The adjusting member (104) comprises a limiting shell (104a), a screw rod (104b), a torsion block (104c) and a threaded sleeve (104d); the limiting shell (104a) is fixed to one side of the support plate (103); the screw rod (104b) is arranged in the inner cavity of the limiting shell (104a), and one side thereof penetrates to the outside of the support plate (103) and is fixedly connected to the torsion block (104c); and the threaded sleeve (104d) is sleeved on the surface of the screw rod (104b).

4. The red and blue light treatment device for dermatological care according to claim 3, characterized in that: The adjusting member (104) further comprises a first hinge seat (104e), a guide plate (104f) and a second hinge seat (104g); the first hinge seat (104e) is fixed to the bottom of the threaded sleeve (104d), and the bottom is movably connected to the guide plate (104f); a side of the guide plate (104f) away from the first hinge seat (104e) is movably connected to the second hinge seat (104g); and the bottoms of the two second hinge seats (104g) are respectively fixedly connected to two of the heat dissipation shells (101).

5. The red and blue light treatment device for dermatological care according to claim 4, characterized in that: The adjusting member (104) further comprises a bearing ring (104h), wherein the bearing ring (104h) is fixed to one side of the screw rod (104b), and the other side of the bearing ring (104h) is fixedly connected to the support plate (103).

6. The red and blue light treatment device for dermatological care according to claim 5, characterized in that: The red and blue light treatment component (100) further comprises a reinforcing rib (107), wherein the reinforcing rib (107) is fixed to one side of the support plate (103), and the bottom is fixedly connected to the heat dissipation shell (101).

7. The red and blue light treatment device for dermatological care according to claim 6, characterized in that: The auxiliary component (200) further comprises a slide rail (205) and a slide plate (206), wherein the slide rail (205) is fixed to the front and rear sides of the top of one of the heat dissipation shells (101), and the inner cavity is slidably connected to the slide plate (206), and the opposite sides of the two slide plates (206) are fixedly connected to the connection shell (201).

8. The red and blue light treatment device for dermatological care according to claim 7, characterized in that: The auxiliary component (200) further comprises an L-shaped plate (207) and an extension plate (208), wherein the L-shaped plate (207) is fixed to both sides of the limiting plate (203), and the extension plate (208) is fixed to the top of the L-shaped plate (207), and opposite sides thereof are fixedly connected to the support plate (103), and opposite sides of the two extension plates (208) are both extended through the inner cavity of the connecting shell (201).

9. The red and blue light treatment device for dermatological care according to claim 8, characterized in that: The driving member (204) comprises an electric push rod (204a), a fixed plate (204b), a first tooth plate (204c), a gear (204d), and a second tooth plate (204e); the electric push rod (204a) is fixed to the right side of the inner cavity of the connecting shell (201); the fixed plate (204b) is fixed to the left side of the electric push rod (204a), and the bottom is fixedly connected to the first tooth plate (204c); the gear (204d) is fixed to the inner cavity of the connecting shell (201) via a rotating shaft, and the bottom is meshedly connected to the second tooth plate (204e); the bottom of the second tooth plate (204e) is fixedly connected to the limiting plate (203).

10. The red and blue light treatment device for dermatological care according to claim 9, characterized in that: The driving member (204) further comprises a reinforcement ring (204f), wherein the reinforcement ring (204f) is fixed to one side of the electric push rod (204a), and the other side of the reinforcement ring is fixedly connected to the inner wall of the connection shell (201).