CN218318322U - Improved structure of lotion pump - Google Patents
Improved structure of lotion pump Download PDFInfo
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- CN218318322U CN218318322U CN202222759917.2U CN202222759917U CN218318322U CN 218318322 U CN218318322 U CN 218318322U CN 202222759917 U CN202222759917 U CN 202222759917U CN 218318322 U CN218318322 U CN 218318322U
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Abstract
The utility model relates to an emulsion pump improvement structure, including helicoidal, pump case, piston seat, piston rod, elastic component, piston, stifle, headgear and last piston, it puts to go up the piston sleeve the periphery of piston rod, it has ventilative mouthful to open on the lateral wall of pump case, the lower part of going up the piston is provided with can press close to mutually with the pump case inner wall and rise along with the piston rod and open ventilative mouthful, along with the piston rod decline and will breathe freely the seal cover that mouthful closed. The utility model discloses set up the piston in the pump case, outside the piston rod, set up ventilative mouthful on the pump case lateral wall, utilize the seal cover of piston lower part to seal ventilative mouthful under the off-state, avoid external liquid to get into in the pump case, like this under user state, just can avoid liquid to be taken out along with the piston rod outer wall and cause dropping liquid, weeping problem to improve user experience and feel.
Description
Technical Field
The utility model relates to a cosmetics container technical field specifically indicates a lotion pump improvement structure.
Background
Emulsion pumps have been used in a wide variety of applications. Fig. 1 shows a lotion pump structure, which comprises a head cap 1', a spiral ring 2', a blank cap 3', a pump shell 4', a piston rod 5', a piston seat 6', a piston 7', a spring 8' and other parts which are connected in a matching way. The emulsion can be pumped out by pressing the head cap 1', the head cap 1' can be reset upwards under the action of the spring 7 'after the head cap 1' is loosened, and preparation is made for next liquid pumping.
Wherein, for the convenience of taking a breath, open at the top of pump case 4' lateral wall has ventilative groove 41', under the emulsion pump closed condition, along with the bottle slope, inside the liquid in the bottle probably got into the emulsion pump from ventilative groove 41', when pressing down and using the emulsion pump, the liquid that gets into in the emulsion pump can be attached to the outer wall of piston rod 5' and is taken out, leads to probably to take place dropping liquid, weeping problem, seriously uses consumer's experience sense.
Therefore, further improvements are to be made to the structure of the above emulsion pump.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to prior art's current situation, thereby provide one kind and can improve the leakproofness under the off-state and avoid the emulsion pump improvement structure of liquid leakage under the user state.
The utility model provides a technical scheme that above-mentioned technical problem adopted does:
an improved structure of emulsion pump comprises:
the top of the helicoidal is provided with an assembly port;
the pump shell is arranged below the spiral ring, the part with an opening at the top passes through the assembly port and is positioned above the spiral ring, and the bottom of the pump shell is provided with a liquid inlet;
the piston seat is arranged in the pump shell, and the bottom of the piston seat faces the liquid inlet;
the piston rod is arranged in the pump shell in a vertically movable mode, the lower end of the piston rod is communicated with the upper portion of the piston seat, and the piston rod and the piston seat move synchronously;
the elastic piece enables the piston seat and the piston rod to always keep the trend of moving upwards;
the piston is sleeved on the periphery of the piston seat and is restrained below the piston rod;
the blank cap is arranged on the spiral ring and used for locking and connecting the top of the pump shell with the spiral ring;
the head cap is connected to the upper end of the piston rod and is provided with a liquid outlet channel;
the air-permeable pump is characterized by further comprising an upper piston which is sleeved on the periphery of the piston rod, an air-permeable opening is formed in the side wall of the pump shell, and a sealing sleeve which can be close to the inner wall of the pump shell, opens the air-permeable opening along with the rising of the piston rod and closes the air-permeable opening along with the falling of the piston rod is arranged at the lower portion of the upper piston.
Preferably, an external thread is arranged on the outer peripheral wall of the upper part of the blank cap, and correspondingly, an internal thread which can be matched and connected with the external thread is arranged on the inner peripheral wall of the head cap. The head cap is locked by the above mode after being pressed downwards, and compared with a tight fit mode in the prior art, the head cap can be realized without overcoming great friction force, and is lighter in hand feeling and convenient to operate.
Preferably, the blank cap comprises an inner ring and an outer ring which are connected with each other, the top of the pump shell is inserted between the inner ring and the outer ring and is in locking connection with the outer ring, the upper part of the inner ring is located above the outer ring, the external thread is arranged on the outer peripheral wall of the upper part of the inner ring, and the lower part of the inner ring is inserted into an opening at the top of the pump shell. The structure is beneficial to improving the assembly compactness and the sealing property at the upper end of the emulsion pump.
Further preferably, a lower portion of the upper piston is accommodated in the pump housing, and an upper portion of the upper piston is accommodated in a gap between the inner ring and the piston rod. By adopting the structure, the assembly gap at the opening at the top of the pump shell is eliminated, and the phenomenon that the outside liquid is remained at the position of a bath room and the like, enters the pump core and is brought into the bottle body to pollute the material body when being used again is avoided, so that a better sealing effect is achieved.
Preferably, the height of the inner ring is greater than that of the outer ring, and a step is formed at the joint of the inner ring and the outer ring. In places such as a bath room and the like which are easy to contact with water, the structure is convenient for leading the liquid to slide along the steps to avoid the liquid from remaining at the opening at the top of the pump shell, and further avoids water stains from entering the bottle body.
Preferably, the ventilation port is located at the middle upper part of the side wall of the pump shell, the upper piston penetrates up and down, the diameter of the upper part of the upper piston is smaller than that of the lower sealing sleeve, and the upper part of the upper piston is arranged close to the periphery of the piston rod. By adopting the structure, the lower part of the upper piston is convenient to seal the ventilation port, and the upper part of the upper piston is used for improving the sealing performance of the top opening of the pump shell.
Preferably, the lower part of the piston rod is provided with an assembly part with an inverted U-shaped cross section and extending towards the lower part, and the elastic piece is elastically compressed between the liquid inlet of the pump shell and the assembly part. The structure is favorable for reducing the gas loss in the pump shell and improving the pump liquid effect.
Preferably, a first liquid guiding structure in a conical sleeve shape with a large upper end and a small lower end is arranged at the liquid inlet of the pump shell, and a first marble capable of opening or closing the first liquid guiding structure is arranged on the first liquid guiding structure. The piston rod is internally provided with a conical sleeve-shaped second liquid guide structure with a large upper end and a small lower end, and the second liquid guide structure is provided with a second marble capable of opening or closing the second liquid guide structure. By adopting the structure, the gas loss in the pump shell is further reduced, and the pump liquid efficiency is further improved.
Compared with the prior art, the utility model has the advantages of: the utility model discloses set up the piston in the pump case, outside the piston rod, set up ventilative mouthful on the pump case lateral wall, utilize the seal cover of piston lower part to seal ventilative mouthful under the off-state, avoid external liquid to get into in the pump case, like this under user state, just can avoid liquid to be taken out along with the piston rod outer wall and cause dropping liquid, weeping problem to improve user experience and feel.
Drawings
FIG. 1 is a schematic structural diagram of the background art of the present invention;
FIG. 2 is a schematic structural diagram of an embodiment of the present invention;
fig. 3 is a cross-sectional view of fig. 2.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in fig. 2 and 3, the improved structure of the emulsion pump of the present embodiment includes a helicoidal ring 1, a pump housing 2, a piston seat 3, a piston rod 4, an elastic component 5, a piston 6, a blank cap 7, a head cap 8 and an upper piston 9.
The top of the helicoid 1 is provided with an assembly opening 11, the pump shell 2 is arranged below the helicoid 1, the top opening 21 partially penetrates through the assembly opening 11 and is positioned above the helicoid 1, and the bottom of the pump shell 2 is provided with a liquid inlet 23. The piston seat 3 is arranged in the pump shell 2, and the bottom of the piston seat faces the liquid inlet 23; the piston rod 4 can move up and down and is arranged in the pump shell 2, the lower end of the piston rod is communicated with the upper part of the piston seat 3, and the piston rod 4 and the piston seat 3 move synchronously. The elastic part 5 is a spring, is arranged on the pump shell 2 and is close to the bottom, and enables the piston seat 3 and the piston rod 4 to always keep the trend of moving upwards. The piston 6 is sleeved on the outer periphery of the piston seat 3 and is restrained below the piston rod 4. The blank cap 7 is arranged on the spiral ring 1 and used for locking and connecting the top of the pump shell 2 with the spiral ring 1. The head cap 8 is connected to the upper end of the piston rod 4 and has a liquid outlet passage 81.
The upper piston 9 is sleeved on the periphery of the piston rod 4, the side wall of the pump shell 2 is provided with a ventilation port 22, and the lower part of the upper piston 9 is provided with a sealing sleeve 91 which can be close to the inner wall of the pump shell 2, opens the ventilation port 22 along with the rising of the piston rod 4 and closes the ventilation port 22 along with the falling of the piston rod 4.
In this embodiment, the outer peripheral wall of the upper portion of the lid 7 is provided with an external thread 711, and correspondingly, the inner peripheral wall of the cap 8 is provided with an internal thread 82 which can be matched and connected with the external thread 711. Locking the head cap 8 through above-mentioned mode after 8 down press on the head cap, comparing with the tight fit mode among the prior art, need not overcome very big frictional force and just can realize, feel more slim and graceful, the operation of being convenient for.
The blank cap 7 comprises an inner ring 71 and an outer ring 72 which are connected with each other, the top of the pump shell 2 is inserted between the inner ring 71 and the outer ring 72 and is locked with the outer ring 72, the upper part of the inner ring 71 is positioned above the outer ring 72, the external thread 711 is arranged on the peripheral wall of the upper part of the inner ring 71, and the lower part of the inner ring 71 is inserted in the top opening 21 of the pump shell 2. The structure is beneficial to improving the assembly compactness and the sealing property at the upper end of the emulsion pump.
The lower portion of the upper piston 9 is housed in the pump housing 2, and the upper portion of the upper piston 9 is housed in the gap between the inner ring 71 and the piston rod 4. By adopting the structure, the assembly gap at the opening 21 at the top of the pump shell 2 is eliminated, and the phenomenon that the external liquid is remained at the position such as a bath room and the like, enters the pump core and is brought into the bottle body to pollute the material body when being used again is avoided, so that a better sealing effect is achieved.
The height of the inner ring 71 is larger than that of the outer ring 72, and a step 73 is formed at the joint of the inner ring and the outer ring. In places such as a bathroom and the like which are easy to contact with water, the structure is convenient for leading the liquid to slide along the step 73 so as to avoid the liquid from remaining at the opening 21 at the top of the pump shell, and further avoid water stains from entering the bottle body.
The ventilation port 22 is positioned at the middle upper part of the side wall of the pump shell 2, the upper piston 9 is vertically penetrated, the diameter of the upper part is smaller than that of the lower sealing sleeve 91, and the upper part of the upper piston 9 is arranged close to the periphery of the piston rod 4. With this configuration, the ventilation port 22 is sealed by the lower portion of the upper piston, and the sealing performance of the top opening 21 of the pump housing 2 is improved by the upper portion of the upper piston 9.
The lower part of the piston rod 4 is provided with a mounting part 41 which extends towards the lower part and has an inverted U-shaped structure in cross section, and the elastic piece 5 is elastically compressed between the liquid inlet 23 of the pump shell 2 and the mounting part 41. The structure is beneficial to reducing the gas loss in the pump shell 2 and improving the liquid pumping effect.
A first liquid guiding structure 231 in the shape of a tapered sleeve with a large upper end and a small lower end is arranged at the liquid inlet 23 of the pump shell 2, and a first marble 232 capable of opening or closing the first liquid guiding structure 231 is arranged on the first liquid guiding structure 231. The piston rod 4 is provided with a second liquid guiding structure 42 in the shape of a tapered sleeve having a large upper end and a small lower end, and the second liquid guiding structure 42 is provided with a second marble 421 capable of opening or closing the second marble. By adopting the structure, the gas loss in the pump shell 2 is further reduced, and the pump liquid efficiency is further improved.
This embodiment is in pump case 2, piston rod 4 has set up piston 9 outside, set up ventilative mouthful 22 on the 2 lateral walls of pump case, when closing, head cap 8 is supporting to pressing piston 9 downstream, utilize seal cover 91 of piston 9 lower part to seal ventilative mouthful 21 under the off-state, avoid external liquid to get into in the pump case 2, during the use, piston 6 promotes piston 9 upwards, can expose ventilative mouthful 21 and mend the air, like this under the user state, just can avoid liquid to be taken out and cause the dropping liquid along with piston rod 4 outer wall, the weeping problem, thereby improve user experience and feel.
Directional terms such as "front", "rear", "upper", "lower", "left", "right", "side", "top", "bottom", and the like are used in the description and claims of the present invention to describe various example structural portions and elements of the present invention, but these terms are used herein for convenience of description only and are determined based on example orientations shown in the drawings. Because the disclosed embodiments may be arranged in different orientations, these directional terms are for illustrative purposes only and should not be construed as limiting, and for example, "upper" and "lower" are not necessarily limited to orientations opposite or consistent with the direction of gravity.
Claims (9)
1. An improved structure of emulsion pump comprises:
the top of the spiral coil is provided with an assembly port;
the pump shell is arranged below the spiral ring, the open part at the top of the pump shell penetrates through the assembly port to be positioned above the spiral ring, and the bottom of the pump shell is provided with a liquid inlet;
the piston seat is arranged in the pump shell, and the bottom of the piston seat faces the liquid inlet;
the piston rod is arranged in the pump shell in a vertically movable mode, the lower end of the piston rod is communicated with the upper portion of the piston seat, and the piston rod and the piston seat move synchronously;
the elastic piece enables the piston seat and the piston rod to always keep the trend of moving upwards;
the piston is sleeved on the periphery of the piston seat and is restrained below the piston rod;
the blank cap is arranged on the spiral ring and used for locking and connecting the top of the pump shell with the spiral ring;
the head cap is connected to the upper end of the piston rod and is provided with a liquid outlet channel;
the method is characterized in that: the air-permeable pump is characterized by further comprising an upper piston which is sleeved on the periphery of the piston rod, an air-permeable opening is formed in the side wall of the pump shell, and a sealing sleeve which can be close to the inner wall of the pump shell, opens the air-permeable opening along with the rising of the piston rod and closes the air-permeable opening along with the falling of the piston rod is arranged at the lower portion of the upper piston.
2. An emulsion pump improved structure according to claim 1, characterized in that: the outer peripheral wall on stifle upper portion is provided with the external screw thread, and correspondingly, the internal peripheral wall of head cap is provided with the internal thread that can be connected with this external screw thread cooperation.
3. An emulsion pump improved structure according to claim 2, characterized in that: the blank cap comprises an inner ring and an outer ring which are connected with each other, the top of the pump shell is inserted between the inner ring and the outer ring and is in locking connection with the outer ring, the upper part of the inner ring is positioned on the outer ring, the external thread is arranged on the peripheral wall of the upper part of the inner ring, and the lower part of the inner ring is inserted in an opening at the top of the pump shell.
4. An emulsion pump improved structure according to claim 3, characterized in that: the lower portion of the upper piston is accommodated in the pump housing, and the upper portion of the upper piston is accommodated in a gap between the inner ring and the piston rod.
5. An emulsion pump improved structure according to claim 3, characterized in that: the height of the inner ring is greater than that of the outer ring, and a step is formed at the joint of the inner ring and the outer ring.
6. An emulsion pump improved structure according to any one of claims 1-5, wherein: the ventilation port is located at the middle upper part of the side wall of the pump shell, the upper piston is vertically communicated, the diameter of the upper part of the upper piston is smaller than that of the lower sealing sleeve, and the upper part of the upper piston is arranged close to the periphery of the piston rod.
7. An emulsion pump improved structure according to any one of claims 1-5, wherein: the lower part of the piston rod is provided with an assembly part which extends towards the lower part and has an inverted U-shaped cross section, and the elastic part is elastically compressed between the liquid inlet of the pump shell and the assembly part.
8. An emulsion pump improved structure according to any one of claims 1 to 5, characterized in that: a first liquid guiding structure in a conical sleeve shape with a large upper end and a small lower end is arranged at the liquid inlet of the pump shell, and a first marble capable of opening or closing the first liquid guiding structure is arranged on the first liquid guiding structure.
9. An emulsion pump improved structure according to claim 8, characterized in that: the piston rod is internally provided with a conical sleeve-shaped second liquid guide structure with a large upper end and a small lower end, and the second liquid guide structure is provided with a second marble capable of opening or closing the second liquid guide structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222759917.2U CN218318322U (en) | 2022-10-19 | 2022-10-19 | Improved structure of lotion pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222759917.2U CN218318322U (en) | 2022-10-19 | 2022-10-19 | Improved structure of lotion pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218318322U true CN218318322U (en) | 2023-01-17 |
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ID=84825569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222759917.2U Active CN218318322U (en) | 2022-10-19 | 2022-10-19 | Improved structure of lotion pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218318322U (en) |
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2022
- 2022-10-19 CN CN202222759917.2U patent/CN218318322U/en active Active
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