Automatic breast pump convenient to clean
By introducing locking and supporting mechanisms into the automatic breast pump, the problems of loose connections and leakage caused by the concentrated weight of the milk bottle are solved, enabling quick disassembly and cleaning, and improving the stability and cleaning efficiency of the breast pump.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- DONGGUAN CHUANGYI IND CO LTD
- Filing Date
- 2026-02-07
- Publication Date
- 2026-04-17
AI Technical Summary
In the use of existing automatic breast pumps, the increase in milk volume in the milk storage bottle causes gravity to concentrate on the connection point, which can easily lead to loosening of the connection and milk leakage, affecting the stability of milk expression and ease of cleaning.
An easy-to-clean automatic breast pump was designed, employing a locking mechanism and a support mechanism. Through the cooperation of an arc ring, locking components, and elastic elements, the milk bottle and the fitting cover can be quickly disassembled and assembled. The weight of the milk bottle is distributed through the support of the back plate and compression spring, reducing the stress on the connection parts.
It enables quick disassembly and cleaning of breast pump components, improving convenience, preventing loose connections and milk leakage, and enhancing the stability and cleaning efficiency of the breast pumping process.
Smart Images

Figure CN121868611A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of automatic breast pump technology, specifically to an automatic breast pump that is easy to clean. Background Technology
[0002] Automatic breast pumps, as a breastfeeding aid, effectively reduce the manual operation burden on breastfeeding women due to their automated milk expression function and have been widely used in daily breastfeeding scenarios. Current automatic breast pumps typically consist of core components such as a milk storage bottle, a fitting cover, a connecting tube, and a milk pump. The milk pump generates negative pressure to achieve the milk expression action, and the expressed milk is stored in the milk storage bottle. The overall structure meets basic milk expression needs.
[0003] However, existing automatic breast pumps still have many shortcomings in practical use: during the pumping process, as the amount of milk in the bottle increases, its weight gradually increases. This weight is mostly concentrated on the connection between the bottle and the sealing cover, which can easily lead to loosening over time. This may not only affect the stability of the negative pressure during pumping but also cause milk leakage. Therefore, there is an urgent need for an automatic breast pump that is easy to disassemble and clean, can distribute the weight of the bottle, and improves its stability, in order to overcome the shortcomings of existing technology. Summary of the Invention
[0004] The purpose of this invention is to provide an automatic breast pump that is easy to clean, so as to solve the problems mentioned in the background art.
[0005] The technical solution adopted by this application to solve its technical problem is: an automatic breast pump that is easy to clean, including: a milk storage bottle, a fitting cover threadedly connected to the milk storage bottle, a connecting tube plugged into the fitting cover, and a breast pump plugged into the other end of the connecting tube, and also including: a locking mechanism and a supporting mechanism.
[0006] The locking mechanism is installed on the milk bottle. The locking mechanism includes an arc ring 1 and an arc ring 2 sleeved on the outer surface of the milk bottle. A locking component is provided on one side of the arc ring 1 and the arc ring 2. The locking component includes a groove. A rotating shaft is fixedly installed in the groove. A rotating piece is rotatably installed on the rotating shaft. A locking block is provided at the other end of the rotating piece.
[0007] The supporting mechanism is mounted on the locking mechanism. The supporting mechanism includes a movable groove mounted on the locking mechanism. A stop plate is provided in the movable groove. The supporting mechanism is used to distribute the weight of the milk bottle when pumping milk.
[0008] Preferably, the ends of the first and second arc rings are hinged together with a connecting member, and the outer surfaces of the first and second arc rings are fixedly provided with a fixing strip and a fixing strip, which are simultaneously attached when the first and second arc rings are in contact.
[0009] Preferably, the grooves in the locking assembly are formed on the first fixing strip and the second fixing strip, and the rotating piece is provided with the first cylindrical groove and the second cylindrical groove. The first cylindrical groove and the second cylindrical groove are concentrically arranged and are interconnected.
[0010] Preferably, a pull rod is slidably disposed through the cylindrical groove 2, the end of the pull rod extends into the cylindrical groove 1, and a limit ring is fixedly disposed at one end of the pull rod located in the cylindrical groove 1, the outer surface of the limit ring sliding on the inner wall of the cylindrical groove 1.
[0011] Preferably, an elastic element is sleeved on the outer surface of the pull rod, the elastic element is located in a cylindrical groove, and the pull rod is fixedly connected to the locking block.
[0012] Preferably, the two side walls of the fixing strip are provided with slots, the size of the slots is adapted to the size of the locking block, and the locking block is limited in the slots by an elastic element.
[0013] Preferably, the movable groove is formed on the first fixed strip and the second fixed strip, and each of the first fixed strip and the second fixed strip has a limiting groove, which is symmetrically arranged.
[0014] Preferably, the abutment plate is provided with symmetrical mounting grooves, and a fixing rod is symmetrically fixed in each mounting groove. A compression spring is sleeved on the outer surface of the fixing rod.
[0015] Preferably, the compression springs are all located on the side near the center of the abutment plate.
[0016] Preferably, a push rod is slidably disposed on the outer surface of the fixed rod, and the outer surface of the push rod is located in the limiting groove under the restriction of the compression spring.
[0017] The beneficial effects of this application are:
[0018] This application provides an easy-to-clean automatic breast pump. By setting a locking mechanism on the milk bottle, consisting of an arc ring one, an arc ring two, and a locking component, the elastic element drives the locking block to fit and limit the locking position with the locking slot. At the same time, the locking block can be quickly disengaged from the locking slot by a pull rod, thereby achieving the effect of quick disassembly and assembly of the locking mechanism. This facilitates the disassembly and cleaning of the milk bottle and fitting cover, improving cleaning convenience and hygiene safety.
[0019] This application provides an easy-to-clean automatic breast pump. By setting a support mechanism consisting of a backing plate, a fixing rod, and a compression spring on the fixing strip one and fixing strip two of the locking mechanism, the elastic extension and contraction of the compression spring adjusts the support angle of the backing plate. Combined with the limiting function of the limiting groove, this achieves the effect of dispersing the weight of the milk bottle during the milk pumping process, effectively reducing the stress load on the connection between the milk bottle and the fitting cover, preventing loose connection or milk leakage, and improving the stability of the breast pump during use.
[0020] This application provides an easy-to-clean automatic breast pump. By connecting the fitting cover to the milk bottle via threads and the connecting tube to the fitting cover and the milk pump via plug-in connection, combined with the convenient disassembly and assembly design of the locking mechanism, the core components of the breast pump can be quickly disassembled and assembled, thereby further improving the overall cleaning efficiency and ease of use.
[0021] In addition to the purposes, features, and advantages described above, this application has other purposes, features, and advantages. These will be further described in detail below with reference to figures. Attached Figure Description
[0022] Figure 1 This is a schematic diagram of the overall structure of the present invention;
[0023] Figure 2 For the present invention Figure 1 Enlarged structural diagram at point A;
[0024] Figure 3 This is a schematic diagram of the overall structure of the locking mechanism and the supporting mechanism of the present invention;
[0025] Figure 4 This is a schematic diagram of the unlocked state structure of the locking mechanism of the present invention;
[0026] Figure 5 This is a cross-sectional structural diagram of the support mechanism of the present invention;
[0027] Figure 6 This is a cross-sectional schematic diagram of the locking mechanism of the present invention;
[0028] Figure 7 For the present invention Figure 6 A magnified structural diagram at point B in the middle.
[0029] Explanation of reference numerals in the attached figures:
[0030] 1. Milk bottle; 2. Fitting cover; 3. Connecting tube; 4. Milk pump; 5. Arc ring one; 6. Arc ring two; 7. Connector; 8. Fixing strip one; 9. Fixing strip two; 10. Groove; 11. Rotating shaft; 12. Rotating plate; 13. Columnar groove one; 14. Columnar groove two; 15. Pull rod; 16. Limiting ring; 17. Elastic element; 18. Locking block; 19. Locking slot; 20. Limiting groove; 21. Movable groove; 22. Support plate; 23. Mounting groove; 24. Fixing rod; 25. Compression spring; 26. Push rod. Detailed Implementation
[0031] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.
[0032] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative effort should fall within the scope of protection of the present application.
[0033] Please refer to Figures 1 to 7 An easy-to-clean automatic breast pump includes: a milk storage bottle 1, a fitting cover 2 threadedly connected to the milk storage bottle 1, a connecting tube 3 plugged into the fitting cover 2, and a breast pump 4 plugged into the other end of the connecting tube 3; and also includes: a locking mechanism and a supporting mechanism.
[0034] This easy-to-clean automatic breast pump mainly consists of a milk storage bottle 1, a fitting cover 2, a connecting tube 3, a breast pump 4, a locking mechanism, and a support mechanism. The milk storage bottle 1 serves as a container for storing breast milk, and the fitting cover 2 is threaded onto it. The fitting cover 2 conforms to the breast for easy milk collection. One end of the connecting tube 3 is plugged into the fitting cover 2, and the other end is plugged into the breast pump 4, enabling the transfer of breast milk from the fitting cover 2 to the milk storage bottle 1.
[0035] Please refer to Figures 1 to 7 An easy-to-clean automatic breast pump has a locking mechanism on a milk storage bottle 1. The locking mechanism includes an arc ring 5 and an arc ring 6 fitted on the outer surface of the milk storage bottle 1. A locking component is provided on one side of the arc ring 5 and the arc ring 6. The locking component includes a groove 10. A rotating shaft 11 is fixedly installed in the groove 10. A rotating piece 12 is rotatably installed on the rotating shaft 11. A locking block 18 is provided at the other end of the rotating piece 12.
[0036] Furthermore, the ends of arc-shaped ring 5 and arc-shaped ring 6 are hinged together with connecting piece 7. Fixing strip 8 and fixing strip 9 are fixedly installed on the outer surfaces of arc-shaped ring 5 and arc-shaped ring 6, respectively. Fixing strip 8 and fixing strip 9 are synchronously engaged when arc-shaped ring 5 and arc-shaped ring 6 are in contact. The groove 10 in the locking assembly is formed on fixing strip 8 and fixing strip 9. The rotating piece 12 has cylindrical groove 13 and cylindrical groove 14, which are concentrically arranged and interconnected. A pull rod 15 is slidably disposed within cylindrical groove 14, with its end extending into cylindrical groove 13. A limit ring 16 is fixedly installed at one end of the pull rod 15 located in cylindrical groove 13, and the outer surface of the limit ring 16 slides against the inner wall of cylindrical groove 13. An elastic element 17 is fitted on the outer surface of the pull rod 15. The elastic element 17 is located in the cylindrical groove 13. The pull rod 15 is fixedly connected to the locking block 18. A locking groove 19 is opened on the side wall of the fixing strip 9. The size of the locking groove 19 is adapted to the locking block 18. The locking block 18 is limited in the locking groove 19 by the elastic element 17.
[0037] In the above embodiment, the locking mechanism is assembled on the outside of the milk bottle 1. It includes an arc-shaped ring 5 and an arc-shaped ring 6 sleeved on the outer surface of the milk bottle 1, and a locking component disposed on one side of both. The ends of the arc-shaped ring 5 and the arc-shaped ring 6 are hinged together with a connecting member 7. During assembly, the arc-shaped ring 5 and the arc-shaped ring 6 are rotated relative to each other with the connecting member 7, so that they are sleeved on the outer surface of the milk bottle 1 until the arc surfaces of the two are completely in contact with the outer surface of the milk bottle 1. At this time, the fixing strip 8 on the arc-shaped ring 5 and the fixing strip 9 on the arc-shaped ring 6 are synchronously attached and aligned. The assembly of the locking component is carried out around the fixing strip 8 and the fixing strip 9. The rotating shaft 11 is fixedly installed in the groove 10 opened on the fixing strip 8 and the fixing strip 9. Then, the rotating piece 12 is sleeved on the rotating shaft 11 through the cooperation of the cylindrical groove 13 and the cylindrical groove 14 (which are concentric and connected) opened on it, so as to realize the rotatable installation of the rotating piece 12. Then, the elastic element 17 is fitted onto the outer surface of the pull rod 15, and the pull rod 15 is inserted through one end of the cylindrical groove 14, so that the end of the pull rod 15 extends into the cylindrical groove 13. At this time, the limiting ring 16 is fixedly installed at the end of the pull rod 15 located in the cylindrical groove 13, ensuring that the outer surface of the limiting ring 16 slides with the inner wall of the cylindrical groove 13, and the elastic element 17 is limited within the cylindrical groove 13. Finally, the end of the pull rod 15 away from the limiting ring 16 is fixedly connected to the locking block 18, so that the locking block 18 corresponds to and matches the locking groove 19 opened on the side wall of the fixing strip 9. The elastic force of the elastic element 17 limits the locking block 18 within the locking groove 19, completing the overall assembly of the locking mechanism.
[0038] Please refer to Figures 1 to 7An easy-to-clean automatic breast pump has a support mechanism mounted on a locking mechanism. The support mechanism includes a movable groove 21 mounted on the locking mechanism, and a backing plate 22 is provided inside the movable groove 21. The support mechanism is used to distribute the weight of the milk bottle 1 during milk pumping.
[0039] The movable groove 21 is formed on the first fixed strip 8 and the second fixed strip 9. Each of the first fixed strip 8 and the second fixed strip 9 has a limiting groove 20, which are symmetrically arranged. The abutment plate 22 has symmetrically formed mounting grooves 23, each containing a symmetrically fixed fixing rod 24. A compression spring 25 is fitted onto the outer surface of each fixing rod 24. The compression springs 25 are all located near the center of the abutment plate 22. A push rod 26 is slidably mounted on the outer surface of the fixing rod 24, and the outer surface of the push rod 26 is positioned within the limiting groove 20 under the constraint of the compression spring 25.
[0040] In the above embodiment, the supporting mechanism is assembled on the locking mechanism, and includes a movable groove 21 formed on the locking mechanism, a stop plate 22 disposed in the movable groove 21, and a push rod 26 slidably disposed on the outer surface of the fixed rod 24 to further improve the support stability. The movable groove 21 is formed on the first fixed strip 8 and the second fixed strip 9, and both have symmetrically arranged limiting grooves 20. During assembly, based on the movable grooves 21 and symmetrical limiting grooves 20 on the first fixed strip 8 and the second fixed strip 9, the stop plate 22 is placed into the movable groove 21 accordingly, so that the installation direction of the stop plate 22 is adapted to the axial direction of the milk bottle 1. Subsequently, a fixing rod 24 is fixedly installed in the symmetrical mounting groove 23 of the support plate 22. A compression spring 25 is correspondingly sleeved on the outer surface of the fixing rod 24, ensuring that the compression spring 25 is located on the side closer to the middle of the support plate 22, so that the compression spring 25 can elastically extend and retract along the axial direction of the fixing rod 24. Then, a push rod 26 is slidably sleeved on the outer surface of the fixing rod 24, so that the push rod 26 is located in the limiting groove 20 under the restraining action of the compression spring 25. After the above assembly is completed, the support plate 22 can adapt to the support requirements under different conditions through the cooperation of the compression spring 25 and the push rod 26.
[0041] Based on all the above embodiments, the working principle of the present invention is as follows:
[0042] The core function of the locking mechanism is to stably fix the arc ring 5 and the arc ring 6 to the outer surface of the milk bottle 1, thereby providing an installation base for the support mechanism. During assembly and locking, after the arc ring 5 and the arc ring 6 are fitted onto the milk bottle 1, the fixing strip 8 and the fixing strip 9 are simultaneously fitted. At this time, the rotating piece 12 can rotate around the rotating shaft 11, adjusting the position of the locking block 18 to align it with the slot 19 on the fixing strip 9. Since the elastic element 17 is in a naturally extended state, the limiting ring 16 limits the elastic element 17, causing the elastic element 17 to generate an elastic thrust towards the slot 19, pushing the pull rod 15 to drive the locking block 18 into the slot 19. The matching relationship between the locking block 18 and the slot 19 is used to lock the fixing strip 8 and the fixing strip 9, thereby stably fitting the arc ring 5 and the arc ring 6 and preventing them from shifting axially or circumferentially along the milk bottle 1.
[0043] When unlocking and disassembly are required, pull the lever 15 away from the slot 19. The lever 15 causes the limiting ring 16 to slide within the cylindrical groove 13, simultaneously compressing the elastic element 17, causing it to undergo elastic deformation and store elastic potential energy. As the lever 15 is pulled, the locking block 18 simultaneously disengages from the slot 19. At this point, the rotating piece 12 can be rotated to release the locking restriction of the first fixing strip 8 and the second fixing strip 9. Then, the first arc ring 5 and the second arc ring 6 can be separated to both sides, allowing the locking mechanism to be removed from the milk bottle 1 for easy disassembly and cleaning.
[0044] The core function of the support mechanism is to distribute the weight of the milk bottle 1 during milk expression, reduce the stress on the connection between the milk bottle 1 and the fitting cover 2, and prevent the connection from becoming loose and affecting the milk expression effect. During milk expression, the amount of milk in the milk bottle 1 gradually increases, and the weight increases accordingly. This weight is transmitted through the milk bottle 1 to the fixing strip 8 and fixing strip 9 of the locking mechanism, and then to the abutment 22 in the movable groove 21.
[0045] The abutment plate 22 cooperates with the compression spring 25 via the fixing rod 24 within the mounting groove 23. During use, the abutment plate 22 is adjusted to a suitable position, and the fitting cover 2 is placed against the breast. The end of the abutment plate 22 is positioned at the user's body. When subjected to the weight of the milk bottle 1, the abutment plate 22 forms a stable support with the supporting surface or contact area. Simultaneously, symmetrically arranged limiting grooves 20 restrict the displacement range of the abutment plate 22, preventing excessive offset and ensuring support stability. The weight of the milk bottle 1 is evenly distributed to the fixing strip 8, fixing strip 9, and the supporting part of the abutment plate 22, effectively reducing the stress load on the connection between the milk bottle 1 and the fitting cover 2, ensuring stable milk expression.
[0046] Those skilled in the art should understand that the discussion of any of the above embodiments is merely exemplary. Under the framework of this invention, the technical features of the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity.
[0047] This invention is intended to cover all such substitutions, modifications, and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this invention should be included within the scope of protection of this invention.
Claims
1. An easy-to-clean automatic breast pump, comprising: A milk storage bottle (1), wherein a fitting cover (2) is threadedly connected to the milk storage bottle (1), a connecting tube (3) is plugged into the fitting cover (2), and a milk pump (4) is plugged into the other end of the connecting tube (3). The milk storage bottle (1) is characterized in that it further includes a locking mechanism and a supporting mechanism. The locking mechanism is provided on the milk bottle (1). The locking mechanism includes an arc ring one (5) and an arc ring two (6) sleeved on the outer surface of the milk bottle (1). A locking component is provided on one side of the arc ring one (5) and the arc ring two (6). The locking component includes a groove (10). A rotating shaft (11) is fixedly provided in the groove (10). A rotating piece (12) is rotatably provided on the rotating shaft (11). A locking block (18) is provided at the other end of the rotating piece (12). The supporting mechanism is mounted on the locking mechanism. The supporting mechanism includes a movable groove (21) mounted on the locking mechanism. A stop plate (22) is provided in the movable groove (21). The supporting mechanism is used to distribute the weight of the milk bottle (1) when pumping milk.
2. The easy-to-clean automatic breast pump according to claim 1, characterized in that, The ends of the first arc ring (5) and the second arc ring (6) are hinged together with a connector (7). The outer surfaces of the first arc ring (5) and the second arc ring (6) are fixedly provided with a fixing strip (8) and a fixing strip (9). The fixing strip (8) and the fixing strip (9) are simultaneously attached when the first arc ring (5) and the second arc ring (6) are attached together.
3. The easy-to-clean automatic breast pump according to claim 1, characterized in that, The groove (10) in the locking assembly is formed on the first fixing strip (8) and the second fixing strip (9). The rotating piece (12) is provided with a first cylindrical groove (13) and a second cylindrical groove (14). The first cylindrical groove (13) and the second cylindrical groove (14) are concentrically arranged and are interconnected.
4. The easy-to-clean automatic breast pump according to claim 3, characterized in that, A pull rod (15) is slidably disposed inside the second cylindrical groove (14). The end of the pull rod (15) extends into the first cylindrical groove (13). A limit ring (16) is fixedly disposed at one end of the pull rod (15) located in the first cylindrical groove (13). The outer surface of the limit ring (16) slides on the inner wall of the first cylindrical groove (13).
5. An easy-to-clean automatic breast pump according to claim 4, characterized in that, The outer surface of the pull rod (15) is fitted with an elastic element (17), the elastic element (17) is located in the cylindrical groove (13), and the pull rod (15) is fixedly connected to the locking block (18).
6. The easy-to-clean automatic breast pump according to claim 5, characterized in that, The side wall of the fixing strip (9) is provided with a slot (19), the size of the slot (19) is adapted to the size of the block (18), and the block (18) is limited in the slot (19) by the elastic element (17).
7. The easy-to-clean automatic breast pump according to claim 1, characterized in that, The movable groove (21) is provided on the first fixed bar (8) and the second fixed bar (9). The first fixed bar (8) and the second fixed bar (9) are provided with limit grooves (20), and the limit grooves (20) are symmetrically arranged.
8. An easy-to-clean automatic breast pump according to claim 7, characterized in that, The abutment (22) is symmetrically provided with mounting grooves (23), and each mounting groove (23) is symmetrically fixed with a fixing rod (24), and a compression spring (25) is sleeved on the outer surface of the fixing rod (24).
9. An easy-to-clean automatic breast pump according to claim 8, characterized in that, The compression springs (25) are all located on one side near the middle of the abutment plate (22).
10. An easy-to-clean automatic breast pump according to claim 9, characterized in that, A push rod (26) is slidably provided on the outer surface of the fixed rod (24), and the outer surface of the push rod (26) is located in the limiting groove (20) under the restriction of the compression spring (25).