Emulsion pump with back suction effect
By incorporating reflux holes and flow channels into the emulsion pump and utilizing the design of magnetic rings and springs, the residual emulsion after use can be quickly recovered, solving the problem of residual emulsion contamination and waste, and improving the efficiency of emulsion use.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-07
- Publication Date
- 2026-03-13
AI Technical Summary
After use, existing emulsion pumps often leave residual emulsion in the pump head that is easily contaminated or drips, resulting in waste and making it difficult to recycle.
A backflow pump with a suction effect was designed. By setting a backflow hole and flow channel between the pump head and the fixed cylinder, the residual emulsion can flow back into the emulsion bottle. Combined with the design of magnetic ring and spring, the pump achieves rapid recycling by using negative pressure and suction.
This reduces waste and contamination of residual emulsion in the emulsion pump head and improves emulsion recovery efficiency.
Smart Images
Figure CN223988611U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of emulsion pumps, specifically an emulsion pump with a back-suction effect. Background Technology
[0002] An emulsion pump, also known as a push-type emulsion pump, is a device that uses the principle of atmospheric balance to pump the liquid out of a bottle by pressing.
[0003] Emulsion pumps typically contain two or more one-way valve mechanisms. By repeatedly pressing the pump head, negative pressure is repeatedly created between the two one-way valve mechanisms. This negative pressure draws the emulsion from the emulsion bottle into the cavity between the two one-way valve mechanisms and then discharges it through the pump head above. In actual use, after the emulsion is pumped out, residual liquid remains in the pump head. The emulsion remaining in the pump head is easily contaminated by external factors or touched by external objects, and may even drip, resulting in waste.
[0004] Therefore, this utility model provides an emulsion pump with a back-suction effect. Utility Model Content
[0005] In order to overcome the shortcomings of the prior art, at least one technical problem raised in the background art is solved.
[0006] The technical solution adopted by this utility model to solve its technical problem is:
[0007] A backflow-feed emulsion pump includes a connecting cap; a fixed cylinder is fixedly connected to the bottom of the connecting cap; a pump head is slidably connected to the middle of the fixed cylinder; a first valve ball is installed in the middle of the pump head; a second valve ball is installed in the middle of the fixed cylinder; a spring is installed inside the second valve ball; a flow channel is opened in the middle of the fixed cylinder; a reflux hole is opened in the middle of the pump head; a liquid outlet hole is opened on the outer side wall of the fixed cylinder; and a nozzle is fixedly connected to the top side wall of the pump head. With this structure, after the emulsion is discharged using the emulsion pump, a portion of the emulsion inside the pump head can flow back into the emulsion bottle, reducing waste caused by emulsion loss and minimizing contamination of the emulsion inside the pump head.
[0008] Preferably, an exhaust valve is provided in the middle of the fixed cylinder; the exhaust valve is connected to the flow channel; a third valve ball is installed in the middle of the exhaust valve; a first magnetic ring is slidably connected inside the fixed cylinder; a second magnetic ring is fixedly connected to the bottom of the pump head; a limit ring is fixedly connected inside the fixed cylinder; with the above structure, after the pump head rises to the position, a certain suction force can be generated inside the fixed cylinder, so as to more quickly draw the residual emulsion in the pump head back into the emulsion bottle, further improving the emulsion recovery effect.
[0009] Preferably, multiple elastic ropes are fixedly connected to the middle of the first and second valve balls; the other ends of the multiple elastic ropes are respectively fixed to the inner sidewalls of the pump head and the fixed cylinder; during the movement of the first and second valve balls, the elastic ropes will undergo elastic deformation, and when the pump head changes direction, the first or second valve ball will quickly return to its original position due to the pulling of the elastic ropes, thereby increasing the pumping speed of the emulsion pump and improving the performance of the device.
[0010] Preferably, a counterweight ring is fixed to the bottom of the first magnetic ring; the counterweight ring is slidably fitted to the fixed cylinder; the counterweight ring increases the speed of the second magnetic ring as it slides down, thereby increasing the suction force of the cavity above the second magnetic ring on the emulsion in the pump head, and further improving the recovery speed of the emulsion.
[0011] Preferably, the length of the counterweight ring is greater than the distance from the bottom of the first magnetic ring to the bottom of the fixed cylinder. With the above structure, the counterweight ring will not separate from the groove in the middle of the fixed cylinder during the upward process, thereby reducing the occurrence of the situation where the bottom end of the counterweight ring is blocked and the second magnetic ring has difficulty sliding down normally when the second magnetic ring descends.
[0012] Preferably, multiple flow channels are provided in the middle of the fixed cylinder; multiple reflux holes are provided in the middle of the pump head; through the above structure, the reflux speed of the emulsion can be improved, and the occurrence of situations where the emulsion is difficult to reflux after a single reflux hole or flow channel is blocked can be reduced.
[0013] Preferably, the nozzle is inclined; the end of the nozzle closer to the pump head is lower than the end farther from the pump head; with the above structure, the emulsion in the nozzle can flow back into the pump head, further improving the emulsion recovery effect and further reducing the occurrence of residual emulsion contamination.
[0014] The beneficial effects of this utility model are as follows:
[0015] 1. The emulsion pump with back suction effect described in this utility model, through the arrangement of a fixed cylinder, pump head, first valve ball, second valve ball, spring, flow channel, reflux hole, and outlet hole, allows some of the emulsion inside the pump head to flow back into the emulsion bottle after the emulsion is discharged by the emulsion pump, reducing waste caused by emulsion loss and reducing the occurrence of emulsion contamination inside the pump head.
[0016] 2. The emulsion pump with back suction effect described in this utility model, through the setting of an exhaust valve, a third valve ball, a first magnetic ring, a second magnetic ring, and a limiting ring, can generate a certain suction force inside the fixed cylinder after the pump head rises to the position, thereby enabling the residual emulsion in the pump head to be sucked back into the emulsion bottle more quickly, further improving the emulsion recovery effect. Attached Figure Description
[0017] The present invention will be further described below with reference to the accompanying drawings.
[0018] Figure 1 This is a perspective view of the emulsion pump with back suction effect according to this utility model;
[0019] Figure 2 This is a schematic diagram of the structure of the fixed cylinder in this utility model;
[0020] Figure 3 This is a schematic diagram of the flow channel structure in this utility model;
[0021] Figure 4 This is a schematic diagram of the structure of the first magnetic ring in this utility model.
[0022] In the diagram: 1. Connecting cover; 12. Fixed cylinder; 13. Pump head; 14. First valve ball; 15. Second valve ball; 16. Spring; 17. Flow channel; 18. Return hole; 19. Liquid outlet hole; 110. Nozzle; 2. Exhaust valve; 21. Third valve ball; 22. First magnetic ring; 23. Second magnetic ring; 24. Limiting ring; 3. Elastic rope; 4. Counterweight ring. Detailed Implementation
[0023] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.
[0024] like Figures 1 to 4As shown, an embodiment of this utility model of an emulsion pump with a back-suction effect includes a connecting cover 1; a fixed cylinder 12 is fixedly connected to the bottom of the connecting cover 1; a pump head 13 is slidably connected to the middle of the fixed cylinder 12; a first valve ball 14 is installed in the middle of the pump head 13; a second valve ball 15 is installed in the middle of the fixed cylinder 12; a spring 16 is installed inside the second valve ball 15; a flow channel 17 is opened in the middle of the fixed cylinder 12; a backflow hole 18 is opened in the middle of the pump head 13; a liquid outlet hole 19 is opened on the outer side wall of the fixed cylinder 12; a nozzle 110 is fixedly connected to the top side wall of the pump head 13; during operation, pressing the pump head 13 causes the material in the cavity between the first valve ball 14 and the second valve ball 15 to squeeze the first valve ball 14, causing the first valve ball 14 to rise and discharge the material. Then, the pump head 13 will rise under the elastic force of the spring 16, and the first valve ball 15 will release the material. A negative pressure is formed in the cavity between the first valve ball 14 and the second valve ball 15. The second valve ball 15 rises under the negative pressure, while the first valve ball 14 falls under the action of gravity and suction. This causes the emulsion in the pipe below the second valve ball 15 to be drawn into the space between the first valve ball 14 and the second valve ball 15 by the suction generated by the negative pressure. By repeatedly pressing the pump head 13, the emulsion is pumped out through the nozzle 110. After use, the ends of the return hole 18 and the flow channel 17 overlap. At this time, the emulsion remaining in the pump head 13 will enter the fixed cylinder 12 through the return hole 18 and the flow channel 17, and then flow back to the emulsion bottle through the outlet hole 19. With the above structure, after the emulsion is discharged by the emulsion pump, some of the emulsion inside the pump head 13 can flow back to the emulsion bottle, reducing the waste caused by emulsion loss and reducing the occurrence of emulsion contamination inside the pump head 13.
[0025] like Figures 1 to 4As shown, an exhaust valve 2 is provided in the middle of the fixed cylinder 12; the exhaust valve 2 is connected to the flow channel 17; a third valve ball 21 is installed in the middle of the exhaust valve 2; a first magnetic ring 22 is slidably connected inside the fixed cylinder 12; a second magnetic ring 23 is fixedly connected to the bottom of the pump head 13; a limit ring 24 is fixedly connected inside the fixed cylinder 12; during operation, when the pump head 13 is pressed, the second magnetic ring 23 will descend synchronously with the pump head 13. When the pump head 13 moves to the lowest position, the second magnetic ring 23 and the first magnetic ring 22 will attract each other. During the process of the pump head 13 rising, the second magnetic ring 23 will drive the first magnetic ring 22 to rise synchronously. At this time, the flow channel 17 and the return hole 18 are misaligned, and the material inside the fixed cylinder 12 is squeezed, causing the third valve ball 21 to move. The material is discharged from the exhaust valve 2. When the first magnetic ring 22 moves below the limit ring 24, the first magnetic ring 23 will move to the bottom of the pump head 13. The magnetic ring 22 is blocked and cannot continue to rise, while the second magnetic ring 23 will continue to rise under the elastic force of the spring 16. At this time, a certain negative pressure will be generated in the cavity above the second magnetic ring 23 due to the downward trend of the second magnetic ring 23 due to gravity. After the pump head 13 rises to the position and connects the flow channel 17 with the return hole 18, the residual material in the pump head 13 will be sucked into the fixed cylinder 12 due to the negative pressure. At the same time, the second magnetic ring 23 slides down under the action of gravity, so that the residual emulsion in the pump head 13 is continuously sucked into the fixed cylinder 12. When the second magnetic ring 23 slides down to the bottom, the material in the fixed cylinder 12 is discharged through the liquid outlet 19. Through the above structure, after the pump head 13 rises to the position, a certain suction force can be generated inside the fixed cylinder 12, so that the residual emulsion in the pump head 13 can be sucked back into the emulsion bottle more quickly, further improving the emulsion recovery effect.
[0026] like Figures 1 to 4 As shown, multiple elastic ropes 3 are fixedly connected to the middle of the first valve ball 14 and the second valve ball 15; the other ends of the multiple elastic ropes 3 are respectively fixed to the inner sidewalls of the pump head 13 and the fixed cylinder 12.
[0027] like Figures 1 to 4 As shown, a counterweight ring 4 is fixedly connected to the bottom of the first magnetic ring 22; the counterweight ring 4 is slidably fitted with the fixed cylinder 12.
[0028] like Figure 4 As shown, the length of the counterweight ring 4 is greater than the distance from the bottom of the first magnetic ring 22 to the bottom of the fixed cylinder 12.
[0029] like Figure 2 As shown, multiple flow channels 17 are provided in the middle of the fixed cylinder 12; multiple return holes 18 are provided in the middle of the pump head 13.
[0030] like Figure 2 As shown, the nozzle 110 is inclined; the end of the nozzle 110 near the pump head 13 is lower than the end away from the pump head 13.
[0031] During operation, pressing the pump head 13 causes the material in the cavity between the first valve ball 14 and the second valve ball 15 to compress the first valve ball 14, causing it to rise and expel the material. Then, the pump head 13 rises under the force of the spring 16, creating a negative pressure in the cavity between the first and second valve balls 14 and 15. The second valve ball 15 rises under this negative pressure, while the first valve ball 14 descends under gravity and suction. This suction draws the emulsion in the pipe below the second valve ball 15 into the space between the first and second valve balls 14 and 15. Repeated pressing of the pump head 13 continues to expel the emulsion. Pumped out through nozzle 110, after use, the ends of the return hole 18 and the flow channel 17 coincide. At this time, the emulsion remaining in the pump head 13 will enter the fixed cylinder 12 through the return hole 18 and the flow channel 17, and then flow back to the emulsion bottle through the outlet hole 19. When the pump head 13 is pressed, the second magnetic ring 23 will descend synchronously. When the pump head 13 moves to the lowest position, the second magnetic ring 23 and the first magnetic ring 22 will attract each other. During the process of the pump head 13 rising, the second magnetic ring 23 will drive the first magnetic ring 22 to rise synchronously. At this time, the flow channel 17 and the return hole When the 18 are offset, the material inside the fixed cylinder 12 is compressed, causing the third valve ball 21 to move. The material is discharged from the exhaust valve 2. When the first magnetic ring 22 moves below the limit ring 24, it is blocked from rising further, while the second magnetic ring 23 continues to rise under the force of the spring 16. At this time, a certain negative pressure will be generated in the cavity above the second magnetic ring 23 due to the downward trend of the second magnetic ring 23 due to gravity. After the pump head 13 rises to the position and connects the flow channel 17 with the return hole 18, the material remaining in the pump head 13 will be sucked into the fixed cylinder 12 due to the negative pressure. At the same time, the second magnetic ring 23 slides down under the action of gravity, so that the residual emulsion in the pump head 13 is continuously drawn into the fixed cylinder 12. When the second magnetic ring 23 slides down to the bottom, the substance inside the fixed cylinder 12 is discharged through the liquid outlet 19. During the movement of the first valve ball 14 and the second valve ball 15, the elastic rope 3 will undergo elastic deformation. When the pump head 13 changes direction, the first valve ball 14 or the second valve ball 15 will quickly return to its position due to the pull of the elastic rope 3. The counterweight ring 4 increases the speed of the second magnetic ring 23 when it slides down, so that the suction force of the cavity above the second magnetic ring 23 on the emulsion in the pump head 13 increases.
[0032] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.
Claims
1. A lotion pump with back suction effect, comprising a connecting cover (1); characterized in that: The bottom of the connecting cover (1) is fixedly connected with a fixing cylinder (12); the middle part of the fixing cylinder (12) is slidably connected with a pump head (13); the middle part of the pump head (13) is installed with a first valve ball (14); the middle part of the fixing cylinder (12) is installed with a second valve ball (15); the inside of the second valve ball (15) is installed with a spring (16); the middle part of the fixing cylinder (12) is provided with a flow channel (17); the middle part of the pump head (13) is provided with a backflow hole (18); the outer side wall of the fixing cylinder (12) is provided with a liquid outlet hole (19); the top side wall of the pump head (13) is fixedly connected with a nozzle (110).
2. The emulsion pump with back-suction effect according to claim 1, characterized in that: The middle part of the fixing cylinder (12) is provided with an exhaust valve (2); the exhaust valve (2) communicates with the flow channel (17); the middle part of the exhaust valve (2) is installed with a third valve ball (21); the inside of the fixing cylinder (12) is slidably connected with a first magnetic ring (22); the bottom of the pump head (13) is fixedly connected with a second magnetic ring (23); the inside of the fixing cylinder (12) is fixedly connected with a limiting ring (24).
3. The emulsion pump with back-suction effect according to claim 1, characterized in that: The middle parts of the first valve ball (14) and the second valve ball (15) are fixedly connected with a plurality of elastic ropes (3); the other ends of the plurality of elastic ropes (3) are respectively fixedly connected to the inner side walls of the pump head (13) and the fixing cylinder (12).
4. The emulsion pump with back-suction effect according to claim 2, characterized in that: The bottom of the first magnetic ring (22) is fixedly connected with a counterweight ring (4); the counterweight ring (4) is slidably matched with the fixing cylinder (12).
5. The emulsion pump with back-suction effect according to claim 4, characterized in that: The length of the counterweight ring (4) is greater than the distance from the bottom of the first magnetic ring (22) to the bottom of the fixing cylinder (12).
6. The emulsion pump with back-suction effect according to claim 1, characterized in that: The flow channel (17) is provided with a plurality of flow channels in the middle part of the fixing cylinder (12); the backflow hole (18) is provided with a plurality of backflow holes in the middle part of the pump head (13).
7. The emulsion pump with back-suction effect according to claim 1, characterized in that: The nozzle (110) is obliquely arranged; the end of the nozzle (110) close to the pump head (13) is lower than the end of the nozzle (110) away from the pump head (13).