Film flushing box

Abstract

The film flushing box comprises a box body and a cover body, the interior of the box body is hollow to form a containing cavity, the top of the box body is provided with an opening communicated with the containing cavity, the containing cavity is used for containing a film to be flushed, at least partial area of the end face of the top end of the box body forms a flow guide face, and the flow guide face is obliquely arranged towards the bottom end of the box body. The cover body detachably covers the top end of the containing cavity, a gap is formed between the cover body and the flow guide face so as to form a channel communicating the containing cavity with the external environment, and the channel allows liquid medicine to enter the containing cavity so as to wash the film. In the application, the liquid medicine applied to the flow guide surface can flow into the accommodating cavity along the flow guide surface by arranging the flow guide surface, and the liquid medicine can overcome the surface tension of the flow guide surface to continuously flow into the accommodating cavity due to the influence of the gravity of the liquid medicine by obliquely arranging the flow guide surface towards the bottom end of the accommodating cavity; therefore, liquid medicine is prevented from being accumulated on the flow guide face, and potential safety hazards of products are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of photography and videography, and particularly relates to a film developing box. Background Art

[0002] After taking pictures with some cameras, the film needs to be developed to make the images appear. Traditional film developing needs to be carried out in a dedicated darkroom, which is very inconvenient to operate.

[0003] With the progress of technology, currently there are small household manual film developing boxes available. By placing a core assembly inside an opaque box body and adding liquid medicine, where the liquid medicine can include developing solution or fixing solution, etc., the film wound around the core assembly can fully come into contact reaction with the liquid medicine to complete operations such as developing or fixing, greatly improving the convenience of developing the film.

[0004] Among them, the film developing box includes a box body and a cover body. An open-ended cavity is formed inside the box body, and the cover body is used to shield the open end of the cavity, so that the inside of the cavity is sealed and no light enters. The cover body is connected to a platform extending from the inner wall of the box body. When adding the liquid medicine, first place the film in the cavity. After covering the cover body, add the liquid medicine to the tabletop of the platform, so that the liquid medicine flows into the cavity from the tabletop of the platform. However, due to the surface tension of the tabletop of the platform, a part of the liquid medicine will accumulate on the tabletop. Since the liquid medicine has certain corrosiveness and toxicity, the developing solution exposed on the tabletop is likely to pose a safety hazard to users and reduce the reliability of the product. Summary of the Utility Model

[0005] The purpose of the utility model is to solve the problem that when adding the liquid medicine, the liquid medicine will accumulate on the tabletop of the platform and not flow into the cavity, resulting in the liquid medicine being exposed on the tabletop and posing a safety hazard to users.

[0006] To solve the above technical problems, the utility model provides a film developing box, including:

[0007] A box body, the inside of the box body is hollow to form a cavity, the top of the box body is provided with an opening communicating with the cavity, the cavity is used to accommodate the film to be developed, at least part of the end face at the top of the box body forms a diversion surface, and the diversion surface is inclined towards the bottom direction of the box body;

[0008] A cover body, detachably covering the top of the cavity, there is a gap between the cover body and the diversion surface to form a channel communicating the cavity and the external environment, and the channel is for the liquid medicine to enter the cavity to develop the film.

[0009] In an exemplary embodiment of the present application, a side enclosure is provided on the outer edge of the top end of the box body, the side enclosure protrudes from the top end of the box body, the cavity is located within the side enclosure, and the cover body is detachably disposed within the side enclosure.

[0010] In an exemplary embodiment of the present application, the cover body abuts against the top end face of the box body, the cover body covers a portion of the guide surface, and there is a gap between the portion of the side panel connected to the guide surface and the cover body, the gap is connected to the external environment and the channel, and the medicinal liquid flows into the channel through the guide surface via the gap.

[0011] In an exemplary embodiment of the present application, the film developing box further includes a connecting portion, which is connected to an end of the guide surface close to the cavity and is arranged opposite to a portion of the side panel connected to the guide surface. A notch is provided on the connecting portion, and the channel is connected to the cavity through the notch.

[0012] In an exemplary embodiment of the present application, the film developing box further includes a light-blocking portion, which is disposed on a portion of the guide surface covered by the cover body, the light-blocking portion and the notch are arranged relative to each other, and the area between the light-blocking portion and the connecting portion forms the channel.

[0013] In an exemplary embodiment of the present application, two ends of the light blocking portion in the length direction respectively extend beyond the opposite ends of the notch, and a top end of the light blocking portion is not lower than a top end of the connecting portion.

[0014] In an exemplary embodiment of the present application, a protrusion is provided at the bottom of the cover body, the protrusion abuts against the inner side wall of the cavity connected to the guide surface, the protrusion is arranged opposite to the notch, and a groove is provided on the side of the protrusion facing the notch, the groove extends from the top end of the box body to the bottom end thereof, and the groove connects the notch and the inside of the cavity.

[0015] In an exemplary embodiment of the present application, the top end surface of the box body is recessed toward the bottom end of the box body away from the end of the cavity to form a card slot with the side wall, and the bottom edge of the cover body is snapped into the card slot.

[0016] In an exemplary embodiment of the present application, the guide surface is partially recessed near the notch to form a first guide groove, the bottom wall of the first guide groove is adjacent to the notch, and the bottom wall of the first guide groove is inclined toward the bottom end of the box body, and the medicine flows into the notch through the first guide groove.

[0017] In an exemplary embodiment of the present application, a part of the inner wall of the cavity connected to the diversion surface is recessed to form a second guiding groove. In the direction from the top end to the bottom end of the box body, the depth of the recess of the second guiding groove gradually decreases. The top end of the second guiding groove is connected to the first guiding groove, and the liquid medicine flows into the cavity through the first guiding groove and the second guiding groove in sequence.

[0018] As can be seen from the above technical solutions, the beneficial effects of the present utility model are as follows:

[0019] In the present application, by providing a diversion surface, the liquid medicine added to the diversion surface can flow into the cavity along the diversion surface. And by setting the diversion surface to be inclined towards the bottom end direction of the cavity, the liquid medicine can flow into the cavity continuously due to the influence of its own gravity, overcoming the surface tension of the diversion surface, so as to avoid the accumulation of the liquid medicine on the diversion surface and reduce the potential safety hazards of the product. Description of the Drawings

[0020] Figure 1 is a schematic structural view of the film developing cartridge in the embodiment of the present application Figure 1 .

[0021] Figure 2 is a schematic structural view of the film developing cartridge in the embodiment of the present application Figure 2 .

[0022] Figure 3 is a schematic structural view of the film developing cartridge with the cover body hidden in the embodiment of the present application Figure 1 .

[0023] Figure 4 is a schematic structural view of the film developing cartridge with the cover body hidden in the embodiment of the present application Figure 2 .

[0024] Figure 5 is a schematic structural view of the film developing cartridge with the cover body hidden in the embodiment of the present application Figure 3 .

[0025] Figure 6 is an exploded view of the cover body and the box body of the film developing cartridge in the embodiment of the present application.

[0026] Figure 7 is a cross-section of the film developing cartridge in the embodiment of the present application Figure 1 .

[0027] Figure 8 is a cross-section of the film developing cartridge in the embodiment of the present application Figure 2 .

[0028] Description of the reference numerals is as follows:

[0029] The box body 1, the cavity 10, the diversion surface 11, the channel 12, the side wall 13, the card slot 14, the first guiding groove 15, the second guiding groove 16, the liquid pouring port 17, the cover body 2, the liquid adding port 20, the cover main body 21, the clamping portion 22, the protruding portion 23, the groove 24, the connecting portion 3, the notch 30, the light shielding portion 4, the film rotary cutting module 5, and the rotary handle 6. Detailed implementation manners

[0030] Typical implementation manners reflecting the features and advantages of the present utility model will be described in detail in the following description. It should be understood that the present utility model can have various changes in different implementation manners, all of which do not depart from the scope of the present utility model, and the descriptions and illustrations therein are essentially for illustrative purposes and not for limiting the present utility model.

[0031] In the description of the present application, it should be understood that in the embodiments shown in the drawings, the indication of the direction or position relationship (such as up, down, left, right, front, and back, etc.) is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. When these elements are in the positions shown in the drawings, these descriptions are appropriate. If the description of the positions of these elements changes, then the indication of these directions also changes accordingly.

[0032] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of the said features. In the description of the present application, the meaning of "a plurality" is two or more, unless otherwise specifically defined.

[0033] Refer to Figures 1 to 3 , this embodiment provides a film developing box, which includes a box body 1 and a cover body 2. Among them, the box body 1 is the main structure of the film developing box, and the inside of the box body 1 is hollow to form a cavity 10, and the cavity 10 is used to accommodate the film to be developed and related functional components.

[0034] In some embodiments, the top of the box body 1 is provided with an open mouth communicating with the cavity 10. When placing the film, the film can be placed into the cavity 10 through the open mouth at the top of the box body 1. The box body 1 as a whole can be in the shape of a rectangular column, a cylinder, etc., and the cross-section of the cavity 10 can be in the shape of a rectangle, a circle, etc.

[0035] It can be understood that due to the formation of the cavity 10, the cartridge body 1 has a certain thickness, and the top end face of the cartridge body 1 also has a certain area. Among them, at least a part of the top end face of the cartridge body 1 forms a diversion surface 11. It can be that one side end face of the top of the cartridge body 1 forms the diversion surface 11, or all the end faces of the top of the cartridge body 1 form the diversion surface 11. When adding the liquid medicine, the liquid medicine can be added to the diversion surface 11, and the liquid medicine flows into the cavity 10 along the diversion surface 11.

[0036] In some embodiments, the cover body 2 is detachably covered on the top end of the cavity 10, so that the top opening of the cartridge body 1 can be opened or closed, so that the cavity 10 is opened or closed.

[0037] In some embodiments, the cover body 2 can be in a flat plate shape to be able to cover the top opening of the cartridge body 1. When the cover body 2 is connected to the cartridge body 1, there is a gap between the cover body 2 and the diversion surface 11 to form a channel 12 connecting the cavity 10 and the external environment. The channel 12 is for the liquid medicine to enter the cavity 10 to wash the film. Among them, to keep the inside of the cavity 10 in a dark environment after the cover body 2 is covered, both the cartridge body 1 and the cover body 2 are made of light-proof materials.

[0038] It should be noted that the liquid medicine can be one of the developing solution or the fixing solution. By pouring the liquid medicine into the cavity 10, it can contact and react with the film placed in the cavity 10 to complete operations such as developing or fixing. Compared with the traditional method in a dedicated darkroom, the convenience of washing the film is greatly improved.

[0039] In some embodiments, the film developing cartridge further includes a film cutting module 5. An installation seat is arranged on one side of the cartridge body 1, the film cutting module 5 is arranged on the installation seat, the film is wound around the film cutting module 5 in a roll shape, and one end of the film is connected to a film core assembly arranged in the cavity 10. The film core assembly can rotate in the cavity 10 through a rotating shaft. During washing, the film core assembly rotates driven by the rotating shaft, so as to drive the film to gradually wind onto the film core assembly. With continuous rotation, the film fully contacts and reacts with the liquid medicine in the cavity 10. Among them, a rotating handle 6 can also be arranged on the outer side wall of the cartridge body 1. The rotating handle 6 extends into the cartridge body 1 and is connected to the rotating shaft, so that the film can be manually washed by controlling the rotating handle 6. Among them, the cover body 2 can cover the film cutting module 5 to protect it.

[0040] In some embodiments, the top outer edge of the box body 1 is provided with a side enclosure 13. The side enclosure 13 is arranged along the outer edge contour of the box body 1 and protrudes from the top of the box body 1, so that the top end surface of the box body 1 is enclosed within the side enclosure 13, and the cavity 10 is located within the side enclosure 13. This allows for easier addition of liquid medicine without worrying about the liquid medicine flowing from the guide surface 11 to the outside of the box body 1, making the addition of liquid medicine more worry-free. The side enclosure 13 can be integrally formed with the top of the box body 1, which simplifies the manufacturing process, improves airtightness, and prevents liquid medicine from leaking through the gap between the side enclosure 13 and the top outer edge of the box body 1.

[0041] In some embodiments, by providing side enclosures 13, the cover 2 can be detachably mounted within the side enclosures 13, thereby utilizing the side enclosures 13 to provide a certain degree of protection for the cover 2. Furthermore, the dimensions of the cover 2 and the side enclosures 13 can be appropriately adjusted so that the cover 2 can be snapped into the side enclosures 13, facilitating installation and removal of the cover 2. Furthermore, because the cover 2 is located within the side enclosures 13, the area between the cover 2 and the top of the box body 1 is shielded by the side enclosures 13, preventing external light from directly penetrating between the cover 2 and the top of the box body 1. This minimizes light from entering the chamber 10, allowing the chamber 10 to remain dark and improving film processing efficiency.

[0042] In some embodiments, the cover 2 abuts against the top end surface of the box body 1, and the top end of the box body 1 provides support for the cover 2. The top end surface of the box body 1, facing away from the cavity 10, is recessed toward the bottom end of the box body 1 to form a slot 14 with the side panels 13. The inner sidewalls of the side panels 13 form the sidewalls of the slot 14, and the bottom edge of the cover 2 is engaged with the slot 14, thereby securing the cover 2 and the box body 1 to facilitate installation and removal of the cover 2.

[0043] See also Figure 6 In some embodiments, the cover 2 may include a cover body 21 and a snap-on portion 22 disposed on the edge of the cover body 21. The cover body 21 is flat, and the snap-on portion 22 protrudes from the bottom edge of the cover body 21. In this way, when the cover 2 and the box body 1 are snapped together, the snap-on portion 22 fits neatly into the snap-on slot 14. A handle slot may also be provided on the top of the cover body 21 to facilitate lifting the cover 2 through the handle slot and removing it from the box body 1.

[0044] In some embodiments, the card slot 14 can also be opened on the bottom edge of the cover body 2, and a raised card portion 22 is provided on the top end face of the box body 1, and the card portion 22 is carded into the card slot 14 provided on the bottom edge of the cover body 2 to realize the card connection between the cover body 2 and the box body 1.

[0045] In some other embodiments, the cover 2 and the top end surface of the box body 1 may be detachably connected by bonding or screwing.

[0046] Continue to seeFigures 4 to 5 In some embodiments, the cover 2 covers a part of the diversion surface 11, such that there is a gap between the part of the side wall 13 connected to the diversion surface 11 and the cover 2. The gap communicates with the external environment and the channel 12. The liquid medicine flows into the channel 12 through the gap via the diversion surface 11 and finally flows into the cavity 10. By reasonably setting the width of the gap, a relatively large liquid addition port 20 can be formed in the gap area, which enables a larger area to receive the liquid medicine when adding the liquid medicine, making the process of adding the liquid medicine more worry-free. At the same time, since the cover 2 covers the diversion surface 11, external light cannot directly enter the cavity 10 from above the cover 2.

[0047] In some embodiments, a liquid pouring port 17 can also be provided at the corner of the side wall 13. When it is necessary to pour out the liquid medicine from the cavity 10 after the film is rinsed, the film developing cassette can be tilted, so that the liquid medicine flows out along the liquid pouring port 17. Among them, the liquid pouring port 17 can be formed by two side walls of the side wall 13. The two side walls are respectively connected to the two side edges of the diversion surface 11. The parts of the two side walls inclined outward can form an outward-expanded liquid pouring port 17 at the connection of the two side walls.

[0048] In some embodiments, the film developing cassette further includes a connecting part 3. The connecting part 3 is connected to one end of the diversion surface 11 close to the cavity 10. The connecting part 3 and the part of the side wall 13 connected to the diversion surface 11 are arranged oppositely, so that the connecting part 3, the side wall 13 and the diversion surface 11 can enclose a trough structure with the notch opening upward. At the same time, a notch 30 is provided on the connecting part 3. The channel 12 communicates with the cavity 10 through the notch 30. The liquid medicine can flow from the notch 30 into the cavity 10. The notch 30 forms the liquid outlet of the trough structure, which can enable the liquid medicine to concentrate and flow into the cavity 10 from the notch 30. Cooperating with the connecting part 3 can make the flow of the liquid medicine on the diversion surface 11 more controllable. Among them, the notch 30 can be set at any position of the connecting part 3. In this embodiment, the notch 30 is set at the central position of the connecting part 3, and the liquid medicine can converge from both sides to the notch 30.

[0049] [[ID=IO]]It should be noted that the notch 30 extends to connect with the diversion surface 11, so that the connecting part 3 will not block the flow of the liquid medicine at the notch 30, and can enable the liquid medicine to flow more smoothly from the notch 30 into the cavity 10.

[0050] In some embodiments, the connecting part 3 can be in a plate shape. It can be integrally formed with the inner side wall of the cavity 10 and extends from the inner side wall of the cavity 10 in the direction protruding the diversion surface 11. The connecting part 3 can also be a separate component, which is hermetically connected to one end of the diversion surface 11.

[0051] In some embodiments, the film developing box further includes a light shielding portion 4. The light shielding portion 4 is disposed on the portion of the guide surface 11 covered by the cover 2. The light shielding plate is spaced apart from the notch 30. The light shielding portion 4 blocks light entering from the front of the notch 30, thereby minimizing light from entering the cavity 10 and maintaining absolute darkness within the cavity 10.

[0052] It is understood that by spacing the light shielding portion 4 from the notch 30, a gap is created between the light shielding portion 4 and the connecting portion 3, and the area between the light shielding portion 4 and the connecting portion 3 forms the aforementioned channel 12. When adding liquid medicine, the liquid medicine is first added to the liquid filling port 20. Due to the obstruction of the light shielding portion 4, the liquid medicine flows from both sides of the light shield into the channel 12, and finally flows into the cavity 10 through the notch 30.

[0053] At the same time, to prevent the accumulation of liquid medicine on the side of the light shielding portion 4 facing away from the connecting portion 3, the length of the light shielding portion 4 can be reasonably set to avoid being too long. In this embodiment, the two ends of the light shielding portion 4 in the longitudinal direction extend beyond the opposite ends of the notch 30, and the top of the light shielding portion 4 is not lower than the top of the connecting portion 3, so as to ensure that no light can enter from the front of the notch 30.

[0054] In some embodiments, the light shielding portion 4 may be in the shape of a flat plate, made of a light-proof material, and sealedly connected to the guide surface 11 .

[0055] In some embodiments, a protrusion 23 is provided at the bottom of the cover 2. The protrusion 23 abuts against the inner sidewall of the cavity 10 connected to the guide surface 11, so that when the cover 2 is installed, it can be snapped into the cavity 10 by relying on the protrusion 23. Furthermore, the protrusion 23 and the notch 30 are arranged opposite each other, and a groove 24 is provided on the side of the protrusion 23 facing the notch 30. The groove 24 extends from the top of the box body 1 to its bottom end. The groove 24 connects the notch 30 and the interior of the cavity 10. In this way, after the liquid medicine flows out of the notch 30, it flows directly to the groove wall of the groove 24, and then flows into the cavity 10 along the groove wall of the groove 24, which can prevent the liquid medicine from directly impacting the film disposed in the cavity 10.

[0056] In some embodiments, both sides of the protrusion 23 should extend beyond both sides of the notch 30 so that the notch 30 is completely blocked by the protrusion 23 , and the liquid medicine can only flow into the cavity 10 along the wall of the groove 24 .

[0057] See also Figure 7In some embodiments, to prevent the accumulation of liquid medicine on the guide surface 11, the guide surface 11 is tilted toward the bottom of the box body 1. By tilting the guide surface 11 toward the bottom of the box body 1, the liquid medicine thereon can overcome the surface tension of the guide surface 11 under the influence of its own gravity and continuously move toward the direction of the cavity 10, eventually converging at the notch 30 and flowing into the cavity 10, thereby preventing the accumulation of liquid medicine. Even if a small amount of liquid medicine still remains, it will remain at a position near the connecting portion 3 under the influence of its own gravity. Since this position is covered by the cover body 2, the liquid medicine can be prevented from being exposed to the outside, thereby completely eliminating the safety risks posed to the user.

[0058] In some embodiments, the angle at which the guide surface 11 is inclined toward the bottom of the box body 1 should be moderate, and the inclination angle can be between 1° and 30°, to avoid limiting the height of the cavity 10 and affecting the volume of the cavity 10 due to an excessively large inclination angle. The inclination angle can be 1°, 15°, or 30°, for example.

[0059] See also Figure 8 In some embodiments, the guide surface 11 may be provided with a first guide groove 15. The first guide groove 15 may be formed by recessing the portion of the guide surface 11 near the notch 30. The bottom wall of the first guide groove 15 abuts the notch 30, and the sidewalls of the first guide groove 15 are connected to the body of the guide surface 11. The bottom wall of the first guide groove 15 is inclined toward the bottom end of the cartridge body 1. The liquid medicine flows through the first guide groove 15 into the notch 30 and ultimately into the chamber 10.

[0060] In some embodiments, by providing the first guide groove 15, the height difference can be utilized to continuously guide the liquid medicine on the guide surface 11 into the first guide groove 15, thereby further enabling the liquid medicine to overcome the surface tension of the guide surface 11, so that the liquid medicine can continue to flow into the cavity 10 through the first guide groove 15. The first guide groove 15 and the guide surface 11 are arranged at an angle to jointly break the surface tension of the guide surface 11 and minimize the accumulation of liquid medicine on the guide surface 11.

[0061] In some embodiments, the first guide groove 15 is formed by two side walls and a bottom wall connected thereto. One end of each side wall of the first guide groove 15 can be connected to the two ends of the notch 30, respectively, and the other end of each side wall is connected to the light shielding portion 4. Furthermore, the two side walls are connected together at the light shielding portion 4, so that the two side walls are inclined relative to the light shielding portion 4 and the connecting portion 3, thereby better preventing the surface tension of the guide surface 11 from being overcome by the liquid medicine.

[0062] In some embodiments, the inner wall of the cavity 10 connected to the diversion surface 11 is recessed to form a second guiding groove 16. The top end of the second guiding groove 16 is connected to the first guiding groove 15. The second guiding groove 16 extends along the direction from the top end to the bottom end of the cartridge body 1, enabling the liquid medicine to continuously flow from the diversion surface 11 to the first guiding groove 15 and the second guiding groove 16. The first guiding groove 15 and the second guiding groove 16 form a liquid leakage guiding structure to guide the liquid medicine to flow into the cavity 10 along them.

[0063] In some embodiments, in the direction from the top end to the bottom end of the cartridge body 1, the recessed depth of the second guiding groove 16 gradually decreases. The bottom wall of the second guiding groove 16 can play a guiding role to make the liquid medicine flow into the cavity 10 along the bottom wall of the second guiding groove 16.

[0064] In some embodiments, in the direction from the top end to the bottom end of the cartridge body 1, the groove width of the second guiding groove 16 gradually narrows, so that the second guiding groove 16 can form a sharp structure to further pierce the surface tension of the diversion surface 11 and prevent the liquid medicine from accumulating on the diversion surface 11.

[0065] In summary, in this embodiment, by making the diversion surface 11 inclined towards the bottom end of the cartridge body 1, the influence of its own gravity can be utilized to accelerate the flow of the liquid medicine along the diversion surface 11 towards the cavity 10, and in cooperation with the first guiding groove 15 and the second guiding groove 16, the surface tension of the diversion surface 11 can be overcome, so that after the liquid medicine is added to the diversion surface 11, it can continuously flow into the cavity 10 and prevent it from accumulating on the diversion surface 11.

[0066] Although the present invention has been described with reference to several exemplary embodiments, it should be understood that the terms used are illustrative and exemplary, rather than restrictive. Since the present invention can be embodied in many forms without departing from the spirit or essence of the invention, it should be understood that the above-described embodiments are not limited to any of the foregoing details, but should be broadly construed within the spirit and scope defined by the appended claims. Therefore, all changes and modifications falling within the scope of the claims or their equivalents should be covered by the appended claims.

Claims

1. A film developing cassette, characterized in that, include: A box body, wherein the interior of the box body is hollow to form a cavity, and the top of the box body is provided with an opening communicating with the cavity, wherein the cavity is used to accommodate the film to be developed, and at least a portion of the top end surface of the box body forms a guide surface, wherein the guide surface is inclined toward the bottom end of the box body; The cover body is detachably covered on the top of the cavity. There is a gap between the cover body and the guide surface to form a channel connecting the cavity and the external environment. The channel allows the liquid medicine to enter the cavity to wash the film.

2. The film developing cartridge according to claim 1, wherein, The outer edge of the top end of the box body is provided with a side enclosure, the side enclosure protrudes from the top end of the box body, the cavity is located in the side enclosure, and the cover body is detachably arranged in the side enclosure.

3. The film developing cartridge according to claim 2, characterized in that, The cover body is in contact with the top end surface of the box body, and the cover body covers a portion of the guide surface. There is a gap between the portion of the side panel connected to the guide surface and the cover body, and the gap is connected to the external environment and the channel. The medicinal liquid flows into the channel through the guide surface via the gap.

4. The film developing cartridge according to claim 3, wherein, The film developing box also includes a connecting portion, which is connected to an end of the guide surface close to the cavity and is arranged opposite to the portion of the side panel connected to the guide surface. A notch is provided on the connecting portion, and the channel is connected to the cavity through the notch.

5. The film developing cartridge according to claim 4, wherein The film developing box further includes a light shielding portion, which is provided on the portion of the guide surface covered by the cover body. The light shielding portion is spaced relative to the notch, and the area between the light shielding portion and the connecting portion forms the channel.

6. The film developing cartridge according to claim 5, characterized in that, Two ends of the light blocking portion in the length direction respectively extend beyond the opposite ends of the notch, and a top end of the light blocking portion is not lower than a top end of the connecting portion.

7. The film developing cartridge according to claim 4, characterized in that, A protrusion is provided at the bottom of the cover body, and the protrusion abuts against the inner side wall of the cavity connected to the guide surface. The protrusion is arranged opposite to the notch, and a groove is provided on the side of the protrusion facing the notch. The groove extends from the top end of the box body to the bottom end thereof, and the groove connects the notch and the inside of the cavity.

8. The film developing cartridge according to claim 3, wherein The top end surface of the box body is recessed toward the bottom end of the box body away from the end of the cavity to form a slot together with the side wall, and the bottom edge of the cover body is engaged in the slot.

9. The film developing cartridge according to claim 4, characterized in that, The guide surface is partially recessed near the notch to form a first guide groove, the bottom wall of the first guide groove is adjacent to the notch, and the bottom wall of the first guide groove is inclined toward the bottom end of the box body, and the medicinal liquid flows into the notch through the first guide groove.

10. The film developing cartridge according to claim 9, wherein, The inner side wall portion of the cavity connected to the guide surface is recessed to form a second guide groove. In the direction from the top end to the bottom end of the box body, the recessed depth of the second guide groove gradually decreases. The top end of the second guide groove is connected to the first guide groove, and the medicinal liquid flows into the cavity through the first guide groove and the second guide groove in sequence.

Images