Curtain transmission case with light-transmitting structure and electric curtain

Abstract

The utility model discloses a curtain transmission case with a light-transmitting structure, which comprises an inserting surface for inserting a curtain track body and an end surface arranged opposite to the inserting surface, and further comprises a light-transmitting hole arranged on the front surface, the upper part and / or the lower part of the transmission case, and the light-transmitting hole extends from the inserting surface to the end surface. The transmission case is used in the electric curtain. According to the curtain transmission case, light of a light source located on a curtain can be diffused within the transverse range including but not limited to the curtain track body and the transmission case, the light of the light source and the curtain are integrally and organically combined, the integration effect of the light of the curtain is enhanced, and the curtain transmission case is beneficial to creating a warm and comfortable home atmosphere.

Description

Technical Field

[0001] The utility model relates to the field of smart home, in particular to a curtain transmission box with a light-transmitting structure and an electric curtain. Background Art

[0002] The function of traditional curtains is usually to adjust the indoor light by changing the amount of light passing through the window. As people's living standards improve, users pay more and more attention to the quality of life, based on which smart electric curtains appear.

[0003] However, the current improvements of smart electric curtains are still more focused on the basic opening and closing functions of curtains, and lack corresponding attention to how to create a more warm and comfortable home atmosphere. If point light sources are directly distributed on the curtain track body, it cannot be organically integrated with the curtain as a whole, the sense of integration is not strong, the light and shadow effects created are limited, and the improvement of the user's quality of life is limited. Utility Model Content

[0004] The utility model provides a curtain transmission box with a light-transmitting structure and an electric curtain, which are used to solve the problem that the existing curtain transmission box lacks the ability to create a warm and comfortable home atmosphere, thus affecting the quality of life of users.

[0005] On the one hand, an embodiment of the utility model provides a curtain transmission box with a light-transmitting structure, the transmission box includes a plug-in surface for plugging into a curtain rail body, and an end surface arranged relative to the plug-in surface, and also includes a light-through hole arranged on the front, top and / or bottom of the transmission box, and the light-through hole extends from the plug-in surface to the end surface.

[0006] Furthermore, the transmission box includes a transmission box shell, and the light-through hole is opened on the front side of the transmission box shell.

[0007] Furthermore, the light-through hole extends from the plug-in surface to the end surface.

[0008] Furthermore, the transmission box is formed with an escape space inside the light-through hole, and the escape space is used for allowing the curtain light source to extend into.

[0009] Furthermore, the transmission box includes a top cover and a light source power board located below the top cover, the top cover and the light source power board are arranged on the transmission box housing, and the avoidance space is formed between the top cover and the light source power board.

[0010] Furthermore, the transmission box includes a bottom cover arranged opposite to the top cover, the bottom cover is arranged on the transmission box housing, the transmission box also includes an input gear arranged above the bottom cover, and a power supply receiving terminal arranged corresponding to the input gear, the power supply receiving terminal is electrically connected to the light source power board.

[0011] Furthermore, the transmission box includes a conductive component connected above the power receiving terminal, and the conductive component passes through the transmission box housing and extends upward to the light source power board.

[0012] Furthermore, the light source power board also includes a socket electrically connected to the conductive component, and the socket is used to cooperate with the curtain light source.

[0013] Furthermore, the transmission box housing forms a belt cavity below the light source power board, and the belt cavity includes a belt circulation cavity and a belt turning cavity, and the belt circulation cavity is arranged between the plug-in surface and the belt turning cavity.

[0014] Furthermore, a first guide plug-in block is formed between the transmission box housing and the belt circulation cavity, and the first guide plug-in block is used to cooperate with the lower cavity of the curtain track body.

[0015] Furthermore, the cross-sectional shape of the first guide plug-in block is "n"-shaped, and the belt circulation chambers are distributed on both sides of the "n"-shaped first guide plug-in block.

[0016] Furthermore, a second guide plug-in block is formed between the transmission box housing and the belt circulation cavity, and the second guide plug-in block is used to cooperate with the middle cavity of the curtain track body.

[0017] Furthermore, the cross-sectional shape of the second guide plug-in block is "L"-shaped, and the "L"-shaped second guide plug-in block is used to connect with the middle cavity of the curtain track body with a rectangular cross-section.

[0018] Furthermore, the input gear includes an upper gear and a lower gear, and the lower gear is located between the transmission box housing and the bottom cover.

[0019] Furthermore, the curtain transmission box includes a side cover on the back, and the transmission box shell forms a convex groove at the bottom edge near the bottom cover, the convex groove extends to the back of the transmission box shell, and the convex groove is used to connect with the curtain driver or the side cover.

[0020] Furthermore, the transmission box housing is formed with a groove at a corresponding position of the bottom cover, the bottom cover is arranged in the groove, the groove forms a mating surface on the outer side of the bottom cover, the lower gear protrudes from the mating surface, and the power receiving terminal is located on the mating surface.

[0021] Furthermore, the transmission box also includes an elastic ejector arranged on the groove, the elastic ejector includes a slide groove formed in the groove, an ejector body located in the slide groove and a compression spring, the compression spring is arranged between the bottom of the slide groove and the ejector body, so that the ejector body can slide relative to the slide groove, and reset and protrude from the mating surface under the action of the compression spring.

[0022] Furthermore, the convex groove is located at the head end of the mating surface, and the power receiving terminal is located between the convex groove and the lower gear.

[0023] Furthermore, the transmission box housing also includes a column located at the rear end of the matching surface, and the column is used to be connected to the curtain driver or the side cover.

[0024] On the other hand, an embodiment of the utility model further provides an electric curtain, comprising a curtain track body and a curtain driver, and also comprising any of the above-mentioned curtain transmission boxes with a light-transmitting structure.

[0025] The embodiment of the utility model provides a curtain transmission box with a light-transmitting structure, wherein the transmission box includes a plug-in surface for plugging into a curtain rail body, an end surface arranged relative to the plug-in surface, and a light-through hole arranged on the front, top and / or bottom of the transmission box, wherein the light-through hole extends from the plug-in surface to the end surface. The light-through hole on the curtain rail body can be connected with the light-through hole on the front, top and / or bottom of the transmission box, so that the light of the light source located on the curtain can be diverged in a lateral range including but not limited to the curtain rail body and the transmission box, so that the light of the light source is organically combined with the curtain as a whole, thereby enhancing the integrated effect of the curtain light and creating a warm and comfortable home atmosphere. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0027] Figure 1 It is a three-dimensional diagram of a curtain transmission box with a light-transmitting structure in a first embodiment of the utility model, viewed from a top perspective;

[0028] Figure 2 It is a three-dimensional diagram of a curtain transmission box with a light-transmitting structure according to the first embodiment of the utility model, viewed from a bottom perspective;

[0029] Figure 3 yes Figure 1 Stereoscopic view with the top cover hidden;

[0030] Figure 4 yes Figure 2 A three-dimensional view with the side covers hidden;

[0031] Figure 5 yes Figure 3 A stereogram from another perspective;

[0032] Figure 6 yes Figure 4Exploded view of;

[0033] Figure 7 yes Figure 3 A three-dimensional image of the hidden light source connection panel;

[0034] Figure 8 This is a three-dimensional diagram of a curtain transmission box with a light-transmitting structure of the first embodiment of the utility model installed on a curtain track body and cooperating with a curtain driver. In the diagram, the transmission box hides a side cover close to the curtain driver, and also hides the corresponding housing and parts structure of the curtain driver;

[0035] Fig. 9 This is an exploded view of a curtain transmission box with a light-transmitting structure installed on a curtain track body according to the first embodiment of the utility model, and shows a partial enlarged view of the transmission box and part of the curtain track body;

[0036] Fig.10 A sectional view of a curtain transmission box with a light-transmitting structure in a three-dimensional perspective according to the first embodiment of the utility model, the section position is located at the junction of the curtain track body and the transmission box, and a partial enlarged view of the section position is shown in the figure;

[0037] Fig.11 is a three-dimensional diagram of a curtain according to a third embodiment of the present utility model;

[0038] Fig.12 It is another exploded view of the curtain in the third embodiment of the utility model from a three-dimensional perspective, and the curtain drive is shown in the figure. DETAILED DESCRIPTION

[0039] In order to make the technical problems, technical solutions and beneficial effects solved by the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0040] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0041] The terms "first", "second", etc. in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described here, and the objects distinguished by "first", "second", etc. are generally of one type, and the number of objects is not limited. For example, the first object can be one or more. In addition, "and / or" in the specification and claims represents at least one of the connected objects, and the character " / " generally indicates that the objects associated with each other are in an "or" relationship.

[0042] First embodiment:

[0043] An embodiment of the utility model provides a curtain transmission box with a light-transmitting structure, the transmission box includes a plug-in surface 1 for plugging into a curtain rail body, and an end surface 2 arranged relative to the plug-in surface 1, and also includes a light-through hole 3 arranged on the front, top and / or bottom of the transmission box, and the light-through hole 3 extends from the plug-in surface to the end surface.

[0044] In this embodiment, the curtain track body 4 includes a track profile, and the curtain track body 4 is provided with a light source 41 and a light-transmitting cover 42 located in front of the light source 41 on the front. The light source 41 of this embodiment is a linear light source, and the shape and width of the light hole 3 are the same as the shape and width of the light-transmitting cover 42.

[0045] As a preferred solution but not a limitation, the transmission box includes a transmission box housing 5, and the light hole 3 is provided on the front of the transmission box housing 5. The light hole 3 extends from the plug-in surface 1 to the end surface 2. In this embodiment, the plug-in surface 1 and the end surface 2 are both formed on the transmission box housing 5. When the curtain transmission box is installed on the curtain track body 4, the light hole 3 is located in front of the light-transmitting cover 42. At the same time, the light-transmitting cover 42 also extends from the light hole 3 to the end surface 2. The above structure is conducive to expanding the extension range of the linear light source, so that the light source on the curtain has a wider extension sense. At the same time, the linear light source is more coordinated and unified with the curtain track, which is conducive to creating a richer light and shadow effect and improving the user experience.

[0046] The transmission box is provided with an escape space 6 inside the light hole, and the escape space 6 is used for the curtain light source 41 to extend into. In this embodiment, an escape space for the linear light source to extend into is provided in the transmission box, so that the brightness of the light emitted from the transmission box is more uniform, which is conducive to creating a light and shadow effect throughout the entire curtain.

[0047] As a specific solution but not limitation, the transmission box includes a top cover 7 and a light source power board 8 located below the top cover, the top cover 7 and the light source power board 8 are arranged on the transmission box housing 5, and the avoidance space 6 is formed between the top cover 7 and the light source power board 8.

[0048] As a specific solution but not limitation, the transmission box includes a bottom cover 9 arranged opposite to the top cover 7, and the bottom cover 9 is arranged on the transmission box housing 5. The transmission box also includes an input gear 10 arranged above the bottom cover 9, and a power receiving terminal 111 corresponding to the input gear 10, and the power receiving terminal 111 is electrically connected to the light source power board 8. In this embodiment, by correspondingly arranging the input gear 10 and the power receiving terminal 111, it can be achieved that when the output gear 18 of the curtain driver is engaged with the input gear 10 of the transmission box, the power output terminal 19 of the curtain driver is connected to the power receiving terminal 111 of the transmission box. While satisfying the simple installation of the curtain driver, the curtain driver is powered by the light source.

[0049] The transmission box includes a conductive component 11 connected above the power receiving terminal 111 , and the conductive component 11 passes through the transmission box housing 5 and extends upward to the light source power board 8 .

[0050] In this embodiment, the power receiving terminal 111 is the bottom end of the conductive component 11 , and the power receiving terminal 111 passes through the transmission box housing 5 and is located at the lower part of the transmission box housing 5 .

[0051] As a specific solution but not limitation, the light source power board 8 also includes a socket 81 electrically connected to the conductive component, and the socket 81 is used to cooperate with the curtain light source 41. Specifically, the socket 81 is located in the avoidance space 6 above the light source power board 8, the linear light source includes a plug connector, and the socket 81 is used for inserting the plug connector.

[0052] Furthermore, the transmission box housing 5 forms a belt cavity below the light source power board 8 , and the belt cavity includes a belt circulation cavity 51 and a belt turning cavity 52 . The belt circulation cavity 51 is arranged between the plug-in surface 1 and the belt turning cavity 52 .

[0053] Furthermore, the transmission box housing 5 is further formed with a first guide plug-in block 53 between the belt circulation cavity 51, and the first guide plug-in block 53 is used to cooperate with the lower cavity of the curtain track body. Specifically, the cross-sectional shape of the first guide plug-in block 53 is "n"-shaped, and the belt circulation cavity is distributed on both sides of the "n"-shaped first guide plug-in block 53.

[0054] The transmission box housing 5 is further formed with a second guide plug block 54 between the belt circulation cavity 51, and the second guide plug block 54 is used to cooperate with the middle cavity of the curtain track body 4. Specifically, the cross-sectional shape of the second guide plug block 54 is "L"-shaped, and the "L"-shaped second guide plug block is used to connect with the middle cavity of the curtain track body with a rectangular cross-section.

[0055] The first guide plug-in block 53 and the second guide plug-in block 54 of this embodiment are specifically used to connect with the track profile, and the track profile includes a belt transmission cavity 12 docking with the belt circulation cavity 51, and a ball cavity 13 located below and connected to the belt transmission cavity 12. The belt transmission cavity 12 and the ball cavity 13 form the lower cavity, and the "n"-shaped first guide plug-in block 53 is arranged in the connecting space between the belt transmission cavity 12 and the ball cavity 13, and is clamped by the belt transmission cavity 13. The curtain profile is formed with a groove 14 for arranging the light source 41 and the light-transmitting cover 42 at the front part above the belt transmission cavity 12, and the middle cavity 15 located behind the groove 14.

[0056] Furthermore, the input gear 10 includes an upper gear 101 and a lower gear 102, the lower gear 102 is located between the transmission box housing 5 and the bottom cover 9, the upper gear 101 is located in the belt turning cavity 12, and the upper gear 101 and the lower gear 102 rotate synchronously, and are used to drive the belt to circulate through the upper gear 102 under the drive of the output gear of the curtain driver.

[0057] Furthermore, the curtain transmission box includes a side cover 16 located on the back, and the transmission box housing 5 forms a convex groove 55 at the bottom edge near the bottom cover 9, and the convex groove 55 extends to the back of the transmission box housing 5, and the convex groove 55 is used to connect with the curtain driver or the side cover. In this embodiment, the convex groove 55 extends to the upper surface of the transmission box housing. As an optional connection scheme, when the transmission box is used as the main transmission box, the input gear 10, the convex groove 55 and the power receiving terminal 111 can be exposed and connected to the curtain driver by removing the side cover 16; when the transmission box is used as the auxiliary transmission box, the side cover 16 can be installed at the convex groove 55 to shield the input gear 10, the convex groove 55 and the power receiving terminal 111, so as to realize the integrated design of the curtain transmission box, and improve the user experience while preventing dust.

[0058] As a specific implementation scheme rather than a limitation, the transmission box housing 5 is formed with a groove 56 at the corresponding position of the bottom cover, and the bottom cover 9 is arranged in the groove 56 so that the bottom cover 9 covers part of the lower gear 102. The groove 56 is formed with a mating surface 561 on the outer side of the bottom cover 9, and the bottom cover 9 includes a notch facing the mating surface. The lower gear 102 is located at the notch 91 of the bottom cover 9 and protrudes to the mating surface 561. The power receiving terminal is located on the mating surface 561. In this embodiment, the power receiving terminal 111 and the lower gear 102 are formed on the mating surface 561, and are located in the groove 56 of the transmission box housing, which is used to simply cooperate with the curtain driver to achieve the fixation of the curtain driver.

[0059] Furthermore, the transmission box further includes an elastic ejector 17 disposed on the groove 56, the elastic ejector 17 includes a slide groove 171 formed in the groove 56, an ejector body 172 located in the slide groove 171, and a compression spring 173, wherein the compression spring 173 is disposed between the bottom of the slide groove 171 and the ejector body 172, so that the ejector body 172 can slide relative to the slide groove 171, and reset and protrude from the mating surface 561 under the action of the compression spring 173. When the ejector body 172 protrudes from the mating surface 561, the ejector body 172 is used to support the curtain driver in the vertical direction.

[0060] Further, the convex groove 55 is located at the head end of the mating surface, the power receiving terminal 111 is located between the convex groove 55 and the lower gear 102, and the transmission box housing 5 also includes a column 57 located at the tail end of the mating surface 561, and the column 57 is used to connect with the curtain driver or the side cover. The connection between the column 57 and the curtain driver or the side cover is the same as the connection between the convex groove 55 and the curtain driver or the side cover, which will not be repeated here.

[0061] The embodiment of the utility model provides a curtain transmission box with a light-transmitting structure, wherein the transmission box includes a plug-in surface for plugging into a curtain rail body, an end surface arranged relative to the plug-in surface, and a light-through hole arranged on the front, top and / or bottom of the transmission box, wherein the light-through hole extends from the plug-in surface to the end surface. The light-through hole on the curtain rail body can be connected with the light-through hole on the front, top and / or bottom of the transmission box, so that the light of the light source located on the curtain can be diverged in a lateral range including but not limited to the curtain rail body and the transmission box, so that the light of the light source is organically combined with the curtain as a whole, thereby enhancing the integrated effect of the curtain light and creating a warm and comfortable home atmosphere.

[0062] Second embodiment:

[0063] The embodiment of the utility model provides another curtain transmission box with a light-transmitting structure. Different from the second embodiment described above, the light holes of this embodiment are located on the front, top and bottom of the transmission box. The curtain track body also includes light sources and light-transmitting covers located on the front, top and bottom corresponding to the height position of the light holes. This allows the curtain as a whole to form a light and shadow effect of emitting light downward, forward and upward. The light from the light source located on the front, top and bottom runs through the entire curtain horizontally, so that the light from the light source is organically combined with the curtain as a whole, further enhancing the integrated effect of the curtain light, which is conducive to creating a warm and comfortable home atmosphere.

[0064] Third embodiment:

[0065] This embodiment provides an electric curtain, including a curtain track body 4 and a curtain driver 20, and also includes a curtain transmission box 21 with a light-transmitting structure as described in any of the above embodiments. Exemplarily, the curtain transmission box 21 is installed on both sides of the curtain track body 4, and the curtain driver 20 is installed on the curtain transmission box 21 on the right side.

[0066] The embodiment of the utility model provides a curtain transmission box with a light-transmitting structure, wherein the transmission box includes a plug-in surface for plugging into a curtain rail body, an end surface arranged relative to the plug-in surface, and a light-through hole arranged on the front, top and / or bottom of the transmission box, wherein the light-through hole extends from the plug-in surface to the end surface. The light-through hole on the curtain rail body can be connected with the light-through hole on the front, top and / or bottom of the transmission box, so that the light of the light source located on the curtain can be diverged in a lateral range including but not limited to the curtain rail body and the transmission box, so that the light of the light source is organically combined with the curtain as a whole, thereby enhancing the integrated effect of the curtain light and creating a warm and comfortable home atmosphere.

[0067] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modification, equivalent replacement and improvement made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A curtain transmission box with a light-transmitting structure, the transmission box comprising a plug-in surface for plugging into a curtain rail body, and an end surface arranged opposite to the plug-in surface, characterized in that: It also includes a light-through hole arranged on the front, top and / or bottom of the transmission box, and the light-through hole extends from the plug-in surface to the end surface.

2. The curtain transmission box with a light-transmitting structure according to claim 1, characterized in that: The transmission box comprises a transmission box shell, and the light-through hole is arranged on the front side of the transmission box shell.

3. The curtain transmission box with a light-transmitting structure according to claim 2, characterized in that: The light-through hole extends from the plug-in surface to the end surface.

4. The curtain transmission box with a light-transmitting structure according to any one of claims 1 to 3, characterized in that: The transmission box is formed with an escape space inside the light-through hole, and the escape space is used for allowing the curtain light source to extend into.

5. The curtain transmission box with a light-transmitting structure according to claim 4, characterized in that: The transmission box includes a top cover and a light source power board located below the top cover. The top cover and the light source power board are arranged on the transmission box housing, and the avoidance space is formed between the top cover and the light source power board.

6. The curtain transmission box with a light-transmitting structure according to claim 5, characterized in that: The transmission box includes a bottom cover arranged opposite to the top cover, and the bottom cover is arranged on the transmission box housing. The transmission box also includes an input gear arranged above the bottom cover, and a power supply receiving terminal arranged corresponding to the input gear, and the power supply receiving terminal is electrically connected to the light source power board.

7. The curtain transmission box with a light-transmitting structure according to claim 6, characterized in that: The transmission box includes a conductive component connected above the power receiving terminal, and the conductive component passes through the transmission box housing and extends upward to the light source power board.

8. The curtain transmission box with a light-transmitting structure according to claim 7, characterized in that: The light source power board also includes a socket electrically connected to the conductive component, and the socket is used to cooperate with the curtain light source.

9. The curtain transmission box with a light-transmitting structure according to claim 8, characterized in that: The transmission box shell forms a belt cavity below the light source power board. The belt cavity includes a belt circulation cavity and a belt turning cavity. The belt circulation cavity is arranged between the plug-in surface and the belt turning cavity.

10. The curtain transmission box with a light-transmitting structure according to claim 9, characterized in that: A first guide plug-in block is further formed between the transmission box housing and the belt circulation cavity, and the first guide plug-in block is used to cooperate with the lower cavity of the curtain track body.

11. The curtain transmission box with a light-transmitting structure according to claim 10, characterized in that: The cross-sectional shape of the first guide plug-in block is "n"-shaped, and the belt circulation chamber is distributed on both sides of the "n"-shaped first guide plug-in block.

12. The curtain transmission box with a light-transmitting structure according to claim 11, characterized in that: A second guide plug-in block is further formed between the transmission box housing and the belt circulation cavity, and the second guide plug-in block is used for matching and connecting with the middle cavity of the curtain track body.

13. The curtain transmission box with a light-transmitting structure according to claim 12, characterized in that: The cross-sectional shape of the second guide plug-in block is "L"-shaped, and the "L"-shaped second guide plug-in block is used to connect with the middle cavity of the curtain track body with a rectangular cross-section.

14. The curtain transmission box with a light-transmitting structure according to claim 6, characterized in that: The input gear includes an upper gear and a lower gear, and the lower gear is located between the transmission case housing and the bottom cover.

15. The curtain transmission box with a light-transmitting structure according to claim 14, characterized in that: The curtain transmission box includes a side cover on the back, and the transmission box shell forms a convex groove at the bottom edge near the bottom cover, and the convex groove extends to the back of the transmission box shell, and the convex groove is used to connect with the curtain driver or the side cover.

16. The curtain transmission box with a light-transmitting structure according to claim 15, characterized in that: The transmission box housing is formed with a groove at a corresponding position of the bottom cover, the bottom cover is arranged in the groove, the groove forms a mating surface on the outside of the bottom cover, the lower gear protrudes from the mating surface, and the power receiving terminal is located on the mating surface.

17. The curtain transmission box with a light-transmitting structure according to claim 16, characterized in that: The transmission box also includes an elastic ejector arranged on the groove, the elastic ejector includes a slide groove formed in the groove, an ejector body located in the slide groove, and a compression spring. The compression spring is arranged between the bottom of the slide groove and the ejector body, so that the ejector body can slide relative to the slide groove and be reset and protrude from the mating surface under the action of the compression spring.

18. The curtain transmission box with a light-transmitting structure according to claim 17, characterized in that: The convex groove is located at the head end of the matching surface, and the power receiving terminal is located between the convex groove and the lower gear.

19. The curtain transmission box with a light-transmitting structure according to claim 18, characterized in that: The transmission box housing further comprises a column located at the rear end of the mating surface, and the column is used to be connected to the curtain driver or the side cover.

20. An electric curtain, comprising a curtain track body and a curtain driver, characterized in that: It also includes a curtain transmission box with a light-transmitting structure as described in any one of claims 1 to 19.

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