Emulsion pump and emulsion bottle

Abstract

The lotion pump comprises a bottle cap, a lotion outlet head and a rotary knob, the lotion outlet head is fixedly connected with the bottle cap, a pump body is fixed in the bottle cap and comprises a pump rod, a protruding column is arranged on the upper portion of the bottle cap, the upper end of the pump rod exceeds the upper portion of the protruding column, and the exceeding end of the pump rod is connected with the lotion outlet head; the pump rod penetrates through the lifting sleeve and is fixedly connected with the lifting sleeve, the knob is located on the upper portion of the bottle cap and arranged on the outer side of the lifting sleeve in a sleeving mode, and the lifting sleeve can be driven to ascend and descend by rotating the knob so that the pump rod can ascend and descend. The pump rod can be driven to move up and down by rotating the rotary knob, so that liquid discharging of the liquid discharging head is achieved, the mode of pressing the liquid discharging head to discharge liquid is replaced, liquid discharging through mistaken pressing can be prevented, and quantitative liquid discharging can be achieved.

Description

Technical Field

[0001] The present invention relates to a lotion bottle, and more particularly to a lotion pump and a lotion bottle. Background Art

[0002] Lotion bottles are easy to use and have been widely used in daily chemical and pharmaceutical industries. Existing lotion bottles are all press-type liquid dispensers. Although this method is easy to operate, there is a risk of accidental pressing, resulting in liquid discharging from the lotion bottle, which is not conducive to carrying. In addition, the amount of liquid discharged by pressing the liquid dispenser is not easy to control, which easily causes lotion waste. Therefore, there is an urgent need to improve this. Summary of the invention

[0003] The object of the present invention is to overcome the deficiencies of the above-mentioned prior art and to provide a lotion pump and a lotion bottle, which can drive the pump rod to move up and down by rotating the knob, thereby realizing the liquid discharge from the liquid discharge head, replacing the method of pressing the liquid discharge head to discharge the liquid, and can not only prevent accidental pressing to discharge the liquid, but also realize quantitative liquid discharge.

[0004] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a lotion pump, comprising a bottle cap, a liquid discharge head and a knob, wherein the liquid discharge head is fixedly connected to the bottle cap, a pump body is fixed inside the bottle cap, the pump body comprises a pump rod, a convex column is provided on the upper part of the bottle cap, the upper end of the pump rod exceeds the upper part of the convex column and the exceeding end is connected to the liquid discharge head, a lifting sleeve is provided on the outer side of the convex column, the pump rod passes through the lifting sleeve and is fixedly connected to the lifting sleeve, the knob is located on the upper part of the bottle cap and is sleeved on the outer side of the lifting sleeve, and rotating the knob can drive the lifting sleeve to rise and fall, so that the pump rod can be lifted up and down.

[0005] Furthermore, the knob includes a rotating part, an annular rib is provided on the upper part of the rotating part, the annular rib is sleeved on the outside of the lifting sleeve, the outer wall of the lifting sleeve is provided with a spiral groove, the inner wall of the annular rib is provided with a protrusion, the protrusion is inserted into the spiral groove, the outer wall of the boss is provided with a plurality of guide grooves, the inner wall of the lifting sleeve is provided with guide ribs corresponding to the guide grooves, and the guide ribs are inserted into the corresponding guide grooves.

[0006] Furthermore, an annular sleeve is provided on the upper part of the lifting sleeve, and the annular sleeve is connected to the lifting sleeve by multiple connecting ribs. The pump rod passes through the annular sleeve, and the pump rod includes a shoulder. The lower part of the annular sleeve abuts against the upper part of the shoulder. A clamping ring is fixed on the outer side of the pump rod, and the lower part of the clamping ring abuts against the upper part of the annular sleeve.

[0007] Furthermore, the liquid outlet head includes a liquid outlet sleeve and a liquid outlet pipe, the upper end of the pump rod is inserted into the liquid outlet sleeve, the interior of the pump rod, the interior of the liquid outlet sleeve and the liquid outlet pipe are connected, the pump rod can move up and down in the liquid outlet sleeve, and a sealing ring is provided on the outer side of the pump rod, and the sealing ring is sealed with the inner wall of the liquid outlet sleeve.

[0008] Furthermore, a plurality of bosses are provided on the upper part of the convex column, a limiting groove is provided in the boss, a second rib corresponding to the limiting groove is provided at the lower part of the liquid outlet head, the second rib is inserted into the lifting sleeve and abuts against the bottom of the limiting groove, and the second rib is fixed to the bottom of the limiting groove by ultrasonic welding.

[0009] Furthermore, a decorative cover is sleeved on the outer side of the annular rib, the outer diameter of the decorative cover is larger than the outer diameter of the liquid outlet head, and the lower part of the liquid outlet head abuts against the upper part of the decorative cover.

[0010] Furthermore, a first rib is provided on the upper part of the boss, a positioning rib corresponding to the boss is provided inside the decorative cover, the positioning rib is inserted into the lifting sleeve, the positioning rib is located on the outer wall of the second rib, the lower part of the positioning rib abuts against the upper part of the boss, a positioning groove with an open lower end is provided inside the positioning rib, and the first rib is inserted into the positioning groove.

[0011] Furthermore, a stabilizing ring is sleeved on the outer side of the annular rib, the lower part of the decorative cover abuts against the upper part of the stabilizing ring, the upper part of the rotating part is provided with a mounting groove, and the stabilizing ring is embedded in the mounting groove.

[0012] Furthermore, the pump body is buckled and fixed to the bottle cap, the pump body includes a pump chamber, the lower end of the pump chamber is connected to a straw, the pump chamber includes a cavity, a pump ball is arranged inside, the pump ball can abut against the lower end of the cavity or detach from the lower end of the cavity to block or connect the straw to the cavity, the lower end of the pump rod is inserted into the cavity, the lower end of the pump rod is connected to a piston, and the piston is sealed with the inner wall of the cavity.

[0013] A lotion bottle comprises a bottle body, wherein the bottle body is connected to a lotion pump via threads.

[0014] In summary, the present invention has the following beneficial effects:

[0015] When liquid needs to be discharged, there is no need to press the liquid discharge head. You only need to hold the rotating part and rotate it. The protrusion can move along the spiral groove. The cooperation of the guide ribs and the guide grooves of the lifting sleeve can drive the lifting sleeve to descend, and the pump rod is pushed down by the lifting sleeve to realize liquid discharge from the liquid discharge head. The present invention adopts a rotating knob to realize liquid discharge at the liquid discharge head, replacing the pressing liquid discharge method. It not only avoids the situation that the lotion overflows during carrying, but also facilitates carrying. Different liquid discharge amounts can be achieved by rotating the corresponding angles to avoid waste of lotion. In addition, the liquid discharge head in the present invention is fixedly connected to the bottle cap, and liquid discharge can be achieved without operating the liquid discharge head. The consistency of the liquid discharge position can be achieved, which is convenient for taking liquid. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the lotion pump;

[0017] Figure 2 for Figure 1A magnified view at point A;

[0018] Figure 3 Figure 1 An enlarged view is obtained at B;

[0019] Figure 4 is a cross-sectional view of a top view of a lotion pump;

[0020] Figure 5 It is a partial cross-sectional view of the knob and the bottle cap;

[0021] Figure 6 It is a schematic diagram of the structure of the bottle cap;

[0022] Figure 7 It is a structural schematic diagram of the lifting sleeve;

[0023] Figure 8 It is a schematic diagram of the structure of a lotion bottle.

[0024] Reference numerals: 1, bottle cap; 11, boss; 12, through hole; 13, guide groove; 14, arc groove; 15, convex piece; 16, boss; 17, limit groove; 18, first convex rib; 19, friction strip; 2, pump body; 21, pump chamber; 211, cavity; 22, pump rod; 221, shoulder; 23, piston; 24, pump ball; 25, sealing ring; 26, straw; 27, snap ring; 3, liquid outlet head; 31, liquid outlet sleeve; 32. Liquid outlet pipe; 33. Second convex rib; 4. Knob; 41. Rotating part; 42. Annular rib; 43. Bump; 44. Mounting groove; 45. Push block; 46. Notch; 47. Pick; 5. Lifting sleeve; 51. Spiral groove; 52. Guide rib; 53. Annular sleeve; 54. Connecting rib; 6. Decorative cover; 61. Positioning rib; 62. Positioning groove; 7. Arc spring; 8. Return spring; 9. Stabilizing ring; 100. Bottle body. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] Embodiment 1:

[0027] like Figures 1 to 8 As shown, this embodiment discloses a lotion pump, including a bottle cap 1, a liquid outlet head 3 and a knob 4;

[0028] A pump body 2 is fixed inside the bottle cap 1, and the pump body 2 is buckled and fixed with the bottle cap 1. The pump body 2 includes a pump rod 22 and a pump chamber 21. The lower end of the pump chamber 21 is connected to a straw 26. The pump chamber 21 includes a cavity 211, and a pump ball 24 is provided therein. The pump ball 24 can abut against the lower end of the cavity 211 or detach from the lower end of the cavity 211, so that the straw 26 and the cavity 211 are blocked or connected. The lower end of the pump rod 22 is inserted into the cavity 211, and the lower end of the pump rod 22 is connected to a piston 23. The piston 23 is sealed with the inner wall of the cavity 211, and the pump rod 22 is pressed, so that the emulsion in the cavity 211 can be discharged from the pump rod 22. The pump body 2 is a prior art, and its specific structure and discharge principle are not described in detail in this specification.

[0029] The bottle cap 1 is provided with a boss 11 on the upper part, the upper end of the pump rod 22 exceeds the upper part of the boss 11, the boss 11 is provided with a through hole 12, the pump rod 22 passes through the through hole 12, the outer side of the boss 11 is sleeved with a lifting sleeve 5, the pump rod 22 passes through the lifting sleeve 5 and is fixedly connected to the lifting sleeve 5, the knob 4 is located at the upper part of the bottle cap 1 and sleeved on the outer side of the lifting sleeve 5, and the knob 4 is rotated to drive the lifting sleeve 5 to move up and down, so that the pump rod 22 moves up and down. Specifically, the knob 4 includes a rotating portion 41 The outer diameter of the rotating part 41 is larger than the outer diameter of the bottle cap 1. The upper part of the rotating part 41 is provided with an annular rib 42, and the annular rib 42 is sleeved on the outside of the lifting sleeve 5. The outer wall of the lifting sleeve 5 is provided with a spiral groove 51, and the inner wall of the annular rib 42 is provided with a convex block 43, and the convex block 43 is inserted into the spiral groove 51. The outer wall of the boss 11 is provided with a plurality of guide grooves 13, and the inner wall of the lifting sleeve 5 is provided with a guide rib 52 corresponding to the guide groove 13, and the guide rib 52 is inserted into the corresponding guide groove 13;

[0030] like Figure 1 , Figure 2 and Figure 7 As shown, when liquid needs to be discharged, there is no need to press the liquid discharge head 3, only the rotating part 41 needs to be held and rotated, the protrusion 43 can move along the spiral groove 51, and the cooperation of the guide rib 52 of the lifting sleeve 5 and the guide groove 13 can drive the lifting sleeve 5 to descend, thereby driving the pump rod 22 to descend, and when the rotating part 41 rotates in the opposite direction, it can drive the pump rod 22 to rise, so that the pump rod 22 is reset; the pump rod 22 is pushed down by the lifting sleeve 5, so that the liquid discharge head 3 is realized. The present invention adopts the method of rotating the knob 4 to realize the liquid discharge at the liquid discharge head 3, instead of the method of pressing the liquid discharge, which not only avoids the situation that the lotion overflows during carrying, but also is convenient to carry, and different liquid discharge amounts can be realized by rotating the corresponding angles, avoiding the waste of lotion, and the liquid discharge head 3 in the present invention is fixedly connected to the bottle cap 1, and liquid discharge can be realized without operating the liquid discharge head 3, which can achieve consistency of the liquid discharge position, and is convenient for taking liquid.

[0031] like Figure 3 and Figure 7As shown, an annular sleeve 53 is provided on the upper part of the lifting sleeve 5, and the annular sleeve 53 is connected to the lifting sleeve 5 by multiple connecting ribs 54. The pump rod 22 passes through the annular sleeve 53, and the pump rod 22 includes a shoulder 221. The lower part of the annular sleeve 53 abuts against the upper part of the shoulder 221. A snap ring 27 is fixed on the outer side of the pump rod 22, and the lower part of the snap ring 27 abuts against the upper part of the annular sleeve 53. Through the cooperation of the shoulder 221, the snap ring 27 and the annular sleeve 53, the lifting sleeve 5 and the pump rod 22 can be fixed, thereby realizing the synchronous movement of the lifting sleeve 5 and the pump rod 22, which is convenient for liquid discharge operation.

[0032] like Figure 2 and Figure 6 As shown, the liquid discharge head 3 is fixedly connected to the bottle cap 1, specifically, a plurality of bosses 16 are provided on the upper part of the convex column 11, the boss 16 is located between two adjacent connecting ribs 54, a limiting groove 17 is provided in the boss 16, and a second convex rib 33 corresponding to the limiting groove 17 is provided at the lower part of the liquid discharge head 3, the second convex rib 33 is inserted into the lifting sleeve 5 and abuts against the bottom of the limiting groove 17, the second convex rib 33 can pass through the space between the two adjacent connecting ribs 54, the second convex rib 33 and the bottom of the limiting groove 17 are fixed by ultrasonic welding, and by setting the limiting groove 17, the installation position of the liquid discharge head 3 can be positioned, and the liquid discharge head 3 and the bottle cap 1 are fixed by ultrasonic welding, which is not only reliable but also easy to assemble.

[0033] like Figure 1 As shown, the upper end of the pump rod 22 is connected to the liquid outlet head 3, and the liquid outlet head 3 includes a liquid outlet sleeve 31 and a liquid outlet pipe 32. The upper end of the pump rod 22 is inserted into the liquid outlet sleeve 31, and the interior of the pump rod 22, the interior of the liquid outlet sleeve 31 and the liquid outlet pipe 32 are connected. The pump rod 22 can move up and down in the liquid outlet sleeve 31. A sealing ring 25 is provided on the outer side of the pump rod 22, and the sealing ring 25 is sealed with the inner wall of the liquid outlet sleeve 31. The up and down movement of the pump rod 22 will not drive the liquid outlet head 3 to move. By providing the sealing ring 25, it is possible to prevent the emulsion from leaking from the gap between the pump rod 22 and the liquid outlet sleeve 31. The end of the liquid outlet pipe 32 away from the liquid outlet sleeve 31 is a liquid outlet, and the emulsion is discharged from the liquid outlet.

[0034] like Figure 1 and Figure 2As shown, a decorative cover 6 is sleeved on the outer side of the annular rib 42, and the outer diameter of the decorative cover 6 is greater than the outer diameter of the liquid discharge head 3. Specifically, a first convex rib 18 is provided on the upper part of the boss 16, and a positioning rib 61 corresponding to the boss 16 is provided inside the decorative cover 6. The positioning rib 61 is inserted into the lifting sleeve 5, and the positioning rib 61 is located on the outer wall of the second convex rib 33. The lower part of the positioning rib 61 abuts against the upper part of the boss 16. A positioning groove 62 with an open lower end is provided in the positioning rib 61, and the first convex rib 18 is inserted into the positioning groove 62. Through the cooperation between the first convex rib 18 and the positioning groove 62, the installation accuracy of the decorative cover 6 can be improved, and the assembly effect can be improved. By setting the decorative cover 6, the annular rib 42 and the lifting sleeve 5 can be shielded, thereby improving the aesthetics of the lotion pump.

[0035] Among them, the lower part of the liquid outlet head 3 abuts against the upper part of the decorative cover 6, the outer side of the annular rib 42 is sleeved with a stabilizing ring 9, the lower part of the decorative cover 6 abuts against the upper part of the stabilizing ring 9, and the upper part of the rotating part 41 is provided with a mounting groove 44, and the stabilizing ring 9 is embedded in the mounting groove 44. By setting the mounting groove 44, the stabilizing ring 9 can be installed and limited. Through the cooperation between the knob 4 and the decorative cover 6, and the cooperation between the decorative cover 6 and the liquid outlet head 3, the installation limit of the knob 4 can be achieved, the installation accuracy of the knob 4 is improved, thereby improving the rotation performance of the knob 4, and the stabilizing ring 9 is made of Teflon material and has self-lubricating properties, which can further improve the rotation performance of the knob 4.

[0036] like Figure 5 and Figure 6 As shown, the upper part of the bottle cap 1 is provided with a plurality of friction strips 19 arranged and distributed along its axis, the lower part of the knob 4 can abut against the upper part of the friction strip 19, the lower part of the rotating part 41 is provided with a notch 46, and a paddle 47 is provided in the notch 46. When the rotating part 41 is rotated, the lower end of the paddle 47 can contact with the friction strip 19. By providing the friction strip 19, the contact area between the knob 4 and the bottle cap 1 can be reduced, thereby reducing the rotation resistance of the knob 4 and facilitating the rotation of the knob 4. The paddle 47 can be bent and deformed, and through the cooperation of the paddle 47 and the friction strip 19, the rotation feel of the knob 4 can be improved, thereby improving the user experience.

[0037] like Figure 2 As shown, a return spring 8 is sleeved on the outer side of the convex column 11, and the upper part of the return spring 8 abuts against the lower part of the lifting sleeve 5 and the lower part abuts against the surface of the bottle cap 1. When the lifting sleeve 5 descends, the return spring 8 is compressed. By providing the return spring 8, an upward thrust can be exerted on the lifting sleeve 5, which can not only eliminate the influence of the virtual position caused by the assembly gap between the lifting sleeve 5 and the knob 4 and improve the user experience, but also assist in the resetting of the lifting sleeve 5.

[0038] Embodiment 2:

[0039] like Figure 1 , Figure 2 , Figure 4 and Figure 6 As shown, on the basis of Example 1, an arc groove 14 is provided on the upper part of the bottle cap 1, and the inner diameter of the arc groove 14 is consistent with the inner diameter of the shape formed by multiple friction strips 19. The arc groove 14 is coaxial with the bottle cap 1, and an arc spring 7 is installed in the arc groove 14. One end of the arc spring 7 abuts against one end of the arc groove 14, and there is a gap between the other end of the arc spring 7 and the other end of the arc groove 14. A push block 45 is provided at the lower part of the rotating part 41, and the push block 45 is inserted into the gap. When the knob 4 is rotated to discharge liquid, the push block 45 can move along the arc groove 14 and compress the arc spring 7. When the liquid is discharged, the knob 4 is released. The knob 4 is subjected to the elastic force of the arc spring 7 and the reset spring 8, and can realize automatic rotation and reset after rotating to take liquid, without manual reset, which greatly facilitates the liquid taking operation of the lotion and provides a good user experience.

[0040] A convex piece 15 is provided on the inner side of the arc groove 14 near the abutting end of the arc spring 7 and the arc groove 14 . The convex piece 15 can be embedded in the arc spring 7 to prevent the arc spring 7 from moving in the arc groove 14 .

[0041] Embodiment three:

[0042] A lotion bottle comprises a bottle body 100, wherein the bottle body 100 is threadedly connected to a lotion pump of the second embodiment.

[0043] The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A lotion pump, characterized in that: The invention comprises a bottle cap (1), a liquid discharge head (3) and a knob (4), wherein the liquid discharge head (3) is fixedly connected to the bottle cap (1), a pump body (2) is fixed inside the bottle cap (1), and the pump body (2) comprises a pump rod (22). A convex column (11) is provided on the upper part of the bottle cap (1), an upper end of the pump rod (22) protrudes beyond the upper part of the convex column (11) and the protruding end is connected to the liquid discharge head (3), a lifting sleeve (5) is sleeved on the outer side of the convex column (11), the pump rod (22) penetrates the lifting sleeve (5) and is fixedly connected to the lifting sleeve (5), and the knob (4) is located on the upper part of the bottle cap (1) and sleeved on the outer side of the lifting sleeve (5), and rotating the knob (4) can drive the lifting sleeve (5) to rise and fall, so that the pump rod (22) rises and falls.

2. The lotion pump according to claim 1, characterized in that: The knob (4) comprises a rotating portion (41), an annular rib (42) is provided on the upper portion of the rotating portion (41), the annular rib (42) is sleeved on the outer side of a lifting sleeve (5), a spiral groove (51) is provided on the outer wall of the lifting sleeve (5), a convex block (43) is provided on the inner wall of the annular rib (42), the convex block (43) is inserted into the spiral groove (51), a plurality of guide grooves (13) are provided on the outer wall of the convex column (11), guide ribs (52) corresponding to the guide grooves (13) are provided on the inner wall of the lifting sleeve (5), and the guide ribs (52) are inserted into the corresponding guide grooves (13).

3. The lotion pump according to claim 1, characterized in that: An annular sleeve (53) is provided on the upper part of the lifting sleeve (5); the annular sleeve (53) is connected to the lifting sleeve (5) via a plurality of connecting ribs (54); the pump rod (22) passes through the annular sleeve (53); the pump rod (22) comprises a shoulder (221); the lower part of the annular sleeve (53) abuts against the upper part of the shoulder (221); a clamping ring (27) is fixed on the outer side of the pump rod (22); the lower part of the clamping ring (27) abuts against the upper part of the annular sleeve (53).

4. The lotion pump according to claim 1, characterized in that: The liquid outlet head (3) comprises a liquid outlet sleeve (31) and a liquid outlet pipe (32); the upper end of the pump rod (22) is inserted into the liquid outlet sleeve (31); the interior of the pump rod (22), the interior of the liquid outlet sleeve (31) and the liquid outlet pipe (32) are connected; the pump rod (22) can move up and down in the liquid outlet sleeve (31); a sealing ring (25) is sleeved on the outer side of the pump rod (22); the sealing ring (25) is in sealing cooperation with the inner wall of the liquid outlet sleeve (31).

5. The lotion pump according to claim 2, characterized in that: A plurality of bosses (16) are provided on the upper part of the convex column (11), a limiting groove (17) is provided in the boss (16), a second convex rib (33) corresponding to the limiting groove (17) is provided on the lower part of the liquid outlet head (3), the second convex rib (33) is inserted into the lifting sleeve (5) and abuts against the bottom of the limiting groove (17), and the second convex rib (33) and the bottom of the limiting groove (17) are fixed by ultrasonic welding.

6. The lotion pump according to claim 5, characterized in that: A decorative cover (6) is sleeved on the outer side of the annular rib (42); the outer diameter of the decorative cover (6) is greater than the outer diameter of the liquid outlet head (3); and the lower part of the liquid outlet head (3) abuts against the upper part of the decorative cover (6).

7. The lotion pump according to claim 6, characterized in that: The upper part of the boss (16) is provided with a first convex rib (18); the interior of the decorative cover (6) is provided with a positioning rib (61) corresponding to the boss (16); the positioning rib (61) is inserted into the lifting sleeve (5); the positioning rib (61) is located on the outer wall of the second convex rib (33); the lower part of the positioning rib (61) abuts against the upper part of the boss (16); the positioning rib (61) is provided with a positioning groove (62) with an open lower end; the first convex rib (18) is inserted into the positioning groove (62).

8. The lotion pump according to claim 6, characterized in that: A stabilizing ring (9) is sleeved on the outer side of the annular rib (42), the lower part of the decorative cover (6) abuts against the upper part of the stabilizing ring (9), the upper part of the rotating part (41) is provided with a mounting groove (44), and the stabilizing ring (9) is embedded in the mounting groove (44).

9. The lotion pump according to claim 1, characterized in that: The pump body (2) is buckled and fixed to the bottle cap (1), the pump body (2) comprises a pump chamber (21), the lower end of the pump chamber (21) is connected to a straw (26), the pump chamber (21) comprises a cavity (211), a pump ball (24) is arranged in the cavity (211), the pump ball (24) can abut against the lower end of the cavity (211) or detach from the lower end of the cavity (211) so that the straw (26) and the cavity (211) are blocked or connected, the lower end of the pump rod (22) is inserted into the cavity (211), the lower end of the pump rod (22) is connected to a piston (23), and the piston (23) is sealed with the inner wall of the cavity (211).

10. A lotion bottle, characterized in that: It comprises a bottle body (100), wherein the bottle body (100) is connected to a lotion pump according to any one of claims 1 to 9 via threads.

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