Fluid product dispenser

Abstract

The present invention belongs to the field of fluid dispensing. Disclosed is a fluid product dispenser, comprising a liquid storage tank and a housing. A dispensing member is mounted on the liquid storage tank. The distal end of the housing is provided with a mounting opening used for the filling of the liquid storage tank, and the proximal end is provided with a pressing opening for exposing the dispensing member. The fluid product dispenser further comprises at least one cam track, at least one lug fitting the cam track, and a spring for pushing the lug out of the cam track, wherein the cam track is provided on one of the liquid storage tank and the housing, the lug is provided on a sliding member, and the sliding member is slidably connected to the other one of the liquid storage tank and the housing. In the present invention, when connecting the liquid storage tank to the housing, the sliding member only reciprocatingly slides without the need of a rotational movement, so that the shapes of the liquid storage tank and the housing are not necessarily configured to be cylindrical while a movement contact area is reduced, thereby being applicable to various use environments.

Description

Fluid product dispenser TECHNICAL FIELD

[0001] The present invention relates to the technical field of fluid dispensing, in particular to a fluid product dispenser. BACKGROUND

[0002] In the prior art, fluid product dispensers are known which comprise a reservoir for storing a fluid product, the reservoir being present in refill form, the reservoir being removably connected to a housing. When the reservoir is empty, it can be replaced with a new and full reservoir. To enable the disassembly of the reservoir from the housing, a snap-fit or screw connection is often used.

[0003] Chinese patent CN117202996A discloses a fluid product dispenser comprising a reservoir for storing a fluid product and an assembly used as a housing, both being detachably connected through a cam track, a lug and a spring structure. When connected, the reservoir and the assembly rotate relative to each other, which makes the relative contact surfaces of the assembly and the reservoir both have to be configured as circular surfaces. Accordingly, the assembly and the reservoir are usually configured as cylindrical structures, which will result in the fluid product dispenser occupying a larger space during transportation and storage.

[0004] In addition, the ring used to carry the cam track is designed to have to be rotated to be connected, however, due to the large contact area between the ring and the reservoir, the ring is more prone to jam during rotation, thereby affecting use. SUMMARY

[0005] In view of the problems of the prior art that the fluid product dispenser is limited in container shape and is prone to jamming, the present invention aims to provide a fluid product dispenser to at least partially solve the above problems.

[0006] To achieve the above-mentioned purpose, the technical solution of the present invention is as follows:

[0007] A fluid product dispenser comprises a reservoir and a housing; the reservoir is provided with a dispensing member, the distal end of the housing is provided with a mounting opening for filling the reservoir, and the proximal end is provided with a pressing opening for exposing the dispensing member;

[0008] Further comprising at least one cam track, at least one lug matched with the cam track, and a spring for pushing the lug out of the cam track;

[0009] One of the cam track and the lug is arranged on one of the liquid storage tank and the shell, and the other of the cam track and the lug is arranged on a sliding member which is slidingly connected to the other of the liquid storage tank and the shell.

[0010] In some preferred embodiments, the liquid storage tank comprises a tank body and a tank neck arranged on a proximal side of the tank body; the tank body comprises a plurality of side walls parallel to a filling direction of the liquid storage tank, and the cam track is arranged on at least one side wall of the liquid storage tank.

[0011] In some preferred embodiments, the side walls of the tank body are rectangular in cross section, and the cam track is arranged on at least two opposite side walls of the tank body.

[0012] In some preferred embodiments, at least two cam tracks are arranged side by side on each of the two opposite side walls of the tank body.

[0013] In some preferred embodiments, the at least two cam tracks arranged side by side on the same side wall of the tank body share the same sliding member, and the sliding member is correspondingly provided with the same number of lugs as the cam tracks.

[0014] In some preferred embodiments, the shell comprises a shell body, a shell neck and a shell liner; the shell body is open at both ends, and the inner wall of the shell body is adapted to the outer wall of the tank body; the distal end inner wall of the shell neck is detachably fixedly connected to the proximal end outer wall of the shell body, and the proximal end inner wall of the shell neck is adapted to the outer wall of the tank neck; the pressing port is arranged on the proximal end face of the shell neck; and the shell liner is compressed between the shell body and the shell neck, and a slide channel is formed between the proximal edge of the shell body and the shell liner for the sliding member to slide therein.

[0015] In some preferred embodiments, the outer wall of the tank neck and the proximal end inner wall of the shell neck are both circular in cross section.

[0016] In some preferred embodiments, a spring support sleeve is further arranged axially movably in the proximal end interior of the shell neck; the inner wall of the spring support sleeve is provided with a step for supporting the spring, and the inner diameter of the step is greater than the diameter of the tank neck; when the liquid storage tank is connected to the shell, the proximal end of the spring abuts against the proximal end face of the shell neck, and the distal end of the spring support sleeve abuts against the proximal end face of the liquid storage tank.

[0017] In some preferred embodiments, the cam track comprises:

[0018] locking grooves for locking the lugs under the action of the spring so that the liquid storage tank is locked in a position connected with the housing;

[0019] a first cam surface and a first low abutment, the lug sliding along the first cam surface under the action of an axial thrust force of the spring, the first cam surface being used to drive the lug to the first low abutment, the lug being brought into the locking grooves under the action of the spring after the axial thrust force is released;

[0020] a second cam surface and a second low abutment, the lug sliding along the second cam surface to the second low abutment under the action of another axial thrust force of the spring and being separated from the locking grooves, the lug being released from the cam track under the action of the spring after the other axial thrust force is released.

[0021] In some preferred embodiments, the cam track further comprises at least one inclined surface used to drive the lug to the first cam surface.

[0022] In some preferred embodiments, the sliding direction of the sliding member is perpendicular to the filling direction of the liquid storage tank, or the sliding direction of the sliding member and the filling direction of the liquid storage tank have an oblique included angle.

[0023] With the above technical solutions, the present application has the following advantages: through the arrangement of the sliding member and the lug thereon, when the liquid storage tank is connected with the housing, the sliding member only needs to slide in a limited range, so that the rotation movement is not needed, and thus the liquid storage tank and the housing do not need to be made into a cylindrical structure, and further, the liquid storage tank and the housing can be made into other shapes including a square shape, so as to adapt to different use environments. In addition, since the sliding member does not need to be configured in a ring shape, the friction area thereof with the liquid storage tank or the housing is relatively small, so that the jamming can be reduced. BRIEF DESCRIPTION OF DRAWINGS

[0024] Fig. 1 is a structural schematic view of a liquid storage tank in the present application;

[0025] Fig. 2 is a front view of the liquid storage tank in the present application;

[0026] Fig. 3 is a left view of the liquid storage tank in the present application;

[0027] Fig. 4 is a sectional view along line A-A in Fig. 2;

[0028] Fig. 5 is a sectional view along line B-B in Fig. 3;

[0029] Fig. 6 is a structural schematic view of a housing in the present application;

[0030] Fig. 7 is a top view of the housing in the present application;

[0031] Fig. 8 is a sectional view along the line C-C in Fig. 7;

[0032] Fig. 9 is a sectional view along the line D-D in Fig. 7;

[0033] Fig. 10 is a schematic view of a cam track;

[0034] Fig. 11 is a schematic view of the structure of a fluid product dispenser according to the present application;

[0035] Fig. 12 is a top view of a fluid product dispenser according to the present application;

[0036] Fig. 13 is a sectional view along the line E-E in Fig. 12;

[0037] Fig. 14 is a sectional view of a housing according to a second embodiment of the present application;

[0038] Fig. 15 is a sectional view of the housing according to the second embodiment of the present application in another direction;

[0039] Fig. 16 is a schematic view of the structure of a reservoir according to the present application;

[0040] Fig. 17 is a schematic view of the structure of a housing according to a third embodiment of the present application;

[0041] Fig. 18 is a schematic view of the mounting of a slider on a tank body of a reservoir according to the third embodiment of the present application;

[0042] Fig. 19 is a partial sectional view of a tank body of a reservoir according to the third embodiment of the present application;

[0043] Fig. 20 is a front view of a housing and a housing liner according to a fifth embodiment of the present application;

[0044] Fig. 21 is a sectional view along the line F-F in Fig. 20;

[0045] Fig. 22 is a schematic view of the structure of a housing and a housing liner according to the fifth embodiment of the present application.

[0046] In the drawings: 1 - reservoir, 11 - tank body, 12 - tank neck, 13 - sleeve, 14 - adapter sleeve, 15 - sealing structure, 16 - recess, 17 - cover plate, 2 - housing, 21 - mounting opening, 22 - pressing opening, 23 - housing body, 24 - housing neck, 25 - housing liner, 3 - dispensing member, 31 - pump, 32 - valve core, 33 - spring, 34 - lower piston, 35 - upper piston, 36 - liquid outlet tube, 37 - actuating rod, 38 - liquid inlet tube, 4 - slider, 5 - cam track, 51 - locking groove, 52 - first cam surface, 53 - first low abutment, 54 - second cam surface, 55 - second low abutment, 56 - inclined surface, 6 - lug, 7 - spring, 8 - spring support sleeve. DETAILED DESCRIPTION

[0047] The specific embodiments of the present application will be further described below with reference to the drawings. It should be noted that the description of these embodiments is used to help understand the present application, but does not constitute a limitation on the present application. In addition, the technical features involved in the various embodiments of the present application described below can be combined with each other as long as they do not conflict with each other.

[0048] It should be noted that in the description of the present application, the terms "upper", "lower", "left", "right", "front", "back" and the like indicate the orientation or positional relationship of the structure of the present application shown in the drawings, and are only for the convenience of describing the present application simply, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0049] For "first" and "second" in the present technical solution, it is only a distinction for the same or similar structure, or the corresponding structure with similar function, and it is not a ranking of the importance of these structures, nor a size comparison, or other meanings.

[0050] In addition, unless otherwise explicitly specified and limited, the terms "mounting", "connection" should be understood broadly, for example, the connection can be fixed connection, or detachable connection, or integral connection; can be mechanical connection, or electrical connection; can be directly connected, or indirectly connected through intermediate medium; can be the communication inside two structures. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the overall idea of the present application and the specific circumstances of the present solution.

[0051] Embodiment one

[0052] A fluid product dispenser comprises a liquid storage tank 1 and a housing 2. Wherein, a dispensing member 3, such as a pump or a valve, is mounted on the proximal side of the liquid storage tank 1, and is used to deliver the fluid medium stored inside the liquid storage tank 1 outward. The distal side of the housing 2 is provided with a mounting opening 21 for filling the liquid storage tank 1, and the proximal side is provided with a pressing opening 22 for exposing the dispensing member 3. Wherein, the proximal side refers to the end of the fluid product dispenser that delivers fluid outward during use, which is referred to as the upper end below, and vice versa, which is referred to as the lower end.

[0053] As shown in FIGS. 1-5, the liquid storage tank 1 is in a shell-shaped structure as a whole, specifically comprising a tank body 11 and a tank neck 12 arranged on the proximal side of the tank body 11, which are preferably integrally formed. The cross section of the side wall of the tank body 11 is configured in a rectangular shape, which is perpendicular to the filling direction of the liquid storage tank 1. The cross section of the side wall of the tank neck 12 is circular, and the dispensing member 3, preferably a pump such as a press pump, is detachably and fixedly mounted inside the tank neck 12.

[0054] The outer side of the tank neck 12 is threadedly connected with a sleeve 13, which is connected with the pump through an adapter sleeve 14. The sleeve 13 comprises two diameter sections, i.e. a lower section with a larger diameter and an upper section with a smaller diameter, and the lower section is threadedly connected with the outer wall of the tank neck 12. The lower end of the upper section is provided with a sealing structure 15, such as a sealing gasket, a sealing ring, etc., between the lower end of the upper section and the upper end of the tank neck 12. The inner wall of the upper section is provided with a flange 133 for bearing the adapter sleeve 14, and the outer wall of the adapter sleeve 14 is connected with the inner wall of the upper section through a snap structure, so that the adapter sleeve 14 is axially limited relative to the sleeve 13. The lower end of the adapter sleeve 14 is also provided with a ring-shaped groove, and the upper end of the pump body extends into the ring-shaped groove, and the upper end of the pump body is connected with the ring-shaped groove of the adapter sleeve 14 through a snap structure. The pressing part of the pump extends out through the inner hole of the adapter sleeve 14.

[0055] In other preferred embodiments, the pump can also be fixed in the tank neck 12 through threading or welding, bonding, etc., so that the sleeve 13, the adapter sleeve 14, the sealing structure 15, etc. are not necessary.

[0056] The pump specifically comprises a pump body 31, a valve core 32, a pump spring 33, a lower piston 34, an upper piston 35, a liquid outlet pipe 36, and an actuating rod 37.

[0057] The lower end of the pump body 31 is shaped with a medium inlet, and the outer side of the pump body 31 is shaped with an interface communicating with the medium inlet, and the interface is usually provided with a liquid inlet pipe 38. The inner side of the pump body 31 is provided with a sealing surface near the medium inlet for cooperating with the valve core 32, for example, the valve core 32 is spherical, and the sealing surface is a spherical surface or a conical surface, etc. capable of being closed by the valve core 32. The lower piston 34 is located above the valve core 32, and the pump spring 33 is arranged between the lower piston 34 and the valve core 32, and the upper end of the pump spring 33 abuts against the bottom surface of the lower piston 34 (for example, the bottom surface of the lower piston 34 is shaped with a groove for accommodating the pump spring 33), and the lower end of the pump spring 33 abuts against the top surface of the valve core 32 (for example, the diameter of the pump spring 33 is smaller than the diameter of the valve core 32); of course, the lower end of the pump spring 33 can also abut against the step of the inner wall of the pump body 31, and the valve core 32 is arranged to contact the lower end of the pump spring 33. It is easy to understand that the diameter of the lower piston 34 is adapted to the inner diameter of the pump body 31, so that the space between the lower piston 34 and the valve core 32 constitutes a pump chamber for accommodating fluid.

[0058] The upper piston 35 is located above the lower piston 34, and the diameter of the upper piston 35 is matched with the inner diameter of the pump body 31, so that the fluid cannot flow through the space between the upper piston 35 and the pump body 31. In addition, the upper piston 35 is configured to have a through hole, and the diameter of the through hole is greater than the diameter of the actuating rod 37, and the lower end of the actuating rod 37 can abut against the top surface of the lower piston 34 after passing through the through hole, and the top surface of the lower piston 34 is correspondingly provided with a receiving groove matched with the actuating rod 37.

[0059] The upper piston 35 and the lower piston 34 have a sealing contact surface, for example, the top surface of the lower piston 34 is provided with a sealing groove, and the bottom surface of the upper piston 35 is correspondingly formed with a sealing protrusion matched with the sealing groove. When the sealing protrusion is clamped into the sealing groove, the upper piston 35 and the lower piston 34 form a seal, and vice versa. When the sealing protrusion is separated from the sealing groove, the seal between the upper piston 35 and the lower piston 34 is lost. At the same time, the lower piston 34 is also provided with a through hole (not shown in the figure), which is located on one side of the outer edge of the sealing groove. The through hole is used to enable the fluid to flow from the pump chamber to the space between the upper piston 35 and the lower piston 34.

[0060] The diameter of the outlet pipe 36 is greater than the diameter of the actuating rod 37, and the two are coaxially arranged and fixed through a connecting rib. In order to ensure that the fluid flows out of the through hole of the upper piston 35 and then flows to the outlet pipe 36, the top surface of the upper piston 35 is also provided with a sunken groove, which forms a ring-shaped protrusion near the through hole of the upper piston 35. The lower end of the outlet pipe 36 is correspondingly formed with an expanded section, and the inner diameter of the expanded section is matched with the outer diameter of the ring-shaped protrusion of the top surface of the upper piston 35. When the two are connected, it can be ensured that the fluid flowing out of the through hole of the upper piston 35 can only flow out of the outlet pipe 36.

[0061] In addition, the top end of the ring-shaped protrusion of the upper piston 35 and the top of the expanded section of the outlet pipe 36 have a certain spacing, so that the upper piston 35 can have a certain axial movement stroke. When the upper piston 35 moves axially downward to the lowest position, it can form a seal with the lower piston 34. When the upper piston 35 moves axially upward, the seal between the upper piston 35 and the lower piston 34 is lost.

[0062] Assuming that the pump chamber originally has no fluid, when the pump is used, first, axial pressing force is applied to the outlet pipe 36, the pressing force compresses the pump spring 33 through the actuating rod 37 and the lower piston 34, and at the same time, the valve core 32 blocks the medium inlet. During the pressing process, the air in the pump chamber flows out through the through hole of the lower piston 34, and gives the upper piston 35 a driving force to move upward, so that the seal between the upper piston 35 and the lower piston 34 is lost. The air flows to the outlet pipe 36 through the perforations of the upper piston 35, and is finally discharged. When the pressing force is released, the pump spring 33 resets. Under the reset elastic force of the pump spring 33, the lower piston 34 moves towards the upper piston 35, so that the two are in contact to realize sealing. With the continuous upward movement of the lower piston 34, the volume of the pump chamber gradually increases to form negative pressure. Under the action of the pressure difference, the valve core 32 moves towards the pump chamber side, so that the medium inlet is opened, and the fluid enters the pump chamber through the inlet pipe 38. Continue to apply axial pressing force to the outlet pipe 36, then the fluid in the pump chamber gradually increases, until the fluid in the pump chamber flows out through the through hole of the lower piston 34, and gives the upper piston 35 a driving force to move upward, so that the seal between the upper piston 35 and the lower piston 34 is lost. The fluid continues to flow to the outlet pipe 36 through the perforations of the upper piston 35, and is finally discharged.

[0063] As shown in FIGS. 6-9, in the present embodiment, the outer shell 2 includes a shell body 23, a shell neck 24 and a shell liner 25.

[0064] The shell body 23 is rectangular in cross section and open at both upper and lower ends. The mounting port 21 for filling the liquid storage tank 1 is formed at the lower end of the shell body 23. The inner wall of the shell body 23 is consistent with the outer wall of the tank body 11 in cross-sectional shape, but the shell body 23 is larger in size, and there is usually a certain gap between the two, so that the tank body 11 can freely pass through the shell body 23.

[0065] The lower half of the shell neck 24 is rectangular in cross section, and the upper half is circular in cross section. The lower end of the shell neck 24 is open, and the inner wall of the rectangular portion is matched with the outer wall of the shell body 23, and the two are detachably fixedly connected through a buckle structure. The inner diameter of the circular portion of the shell neck 24 is larger than the diameter of the tank neck 12, so that the tank neck 12 can pass through the shell neck 24. In addition, the pressing port 22 is opened at the upper end face of the shell neck 24. The diameter of the pressing port 22 is larger than the diameter of the pressing portion of the pump, so that the pressing portion of the pump can be exposed to the outside of the outer shell 2 through the pressing port 22, thereby facilitating pressing of the pump.

[0066] The shell lining 25 is in the shape of a rectangular shell with both ends open. The upper outer wall of the shell body 23 is provided with a step for mounting the shell lining 25, and a snap structure is further provided between the shell body 23 and the shell lining 25 to prevent them from being easily separated. In addition, the upper end of the shell lining 25 is pressed by the neck of the shell neck 24, so that the shell lining 25 is pressed tightly on the shell body 23. The inner wall of the shell lining 25 is provided with a boss, which is clamped on the upper end edge of the shell body 23, and a sliding member 4 is limited between the upper end edge of the shell body 23 and the shell lining 25. As shown in Figs. 8-9, the upper end edge of the shell body 23 is contracted downward, the lower end edge of the shell lining 25 is contracted upward, and then the sliding member 4 is inserted between the edges of the two, a part of the sliding member 4 is on the upper end edge of the shell body 23, a part is inserted into the step of the outer wall of the shell body 23, and a part extends to the boss of the shell lining 25, so that the sliding member 4 is limited by the shell body 23, the shell neck 24 and the shell lining 25 to move in the up-down direction, so that the sliding member 4 can slide in the direction perpendicular to the filling direction of the liquid tank 1. Among them, the sliding member 4 does not usually protrude from the inner wall of the shell body 24 and the inner wall of the shell lining 25, only the lug 6 provided on the sliding member 4 protrudes from the inner wall of the shell body 24 and the inner wall of the shell lining 25, so as to avoid the influence of the sliding member 4 on the liquid tank 1 into the outer shell 2.

[0067] The fluid product dispenser further comprises a cam track 5, a lug 6 adapted to the cam track 5, and a spring 7 for pushing the lug 6 out of the cam track 5. The cam track 5 is arranged on the liquid tank 1, and the lug 6 is arranged on the sliding member 4.

[0068] In the embodiment, the cam track 5 is arranged on each of the two opposite side walls of the tank body 11, and two cam tracks 5 are arranged side by side on each of the two opposite side walls of the tank body 11, wherein side by side means in the direction perpendicular to the filling direction of the tank body 11. As shown in Fig. 10, the cam track 5 comprises a locking groove 51, a first cam surface 52 and a first low abutment 53, a second cam surface 54 and a second low abutment 55.

[0069] The locking groove 51 is used to lock the lug 6 under the action of the spring 7, so that the liquid tank 1 is locked in the position connected with the outer shell 2. The lug 6 slides along the first cam surface 52 under the action of the axial thrust of the spring 7, and then the first cam surface 52 is used to drive the lug 6 to the first low abutment 53, and after the axial thrust is released, the lug 6 is brought into the locking groove 51 under the action of the spring 7. When it is needed to release the connection between the liquid tank 1 and the outer shell 2, the lug 6 is separated from the locking groove 51 under the action of another axial thrust of the spring 7, and slides along the second cam surface 54 to the second low abutment 55, and after the other axial thrust is released, the lug 6 is released from the cam track 5 under the action of the spring 7.

[0070] It is easy to understand that the cam track 5 is formed with an opening on the side wall of the tank body 11 for receiving the lug 6, and the cam track 6 further comprises a slope 56 for driving the lug 6 into the cam track 5 and enabling the lug 6 to slide along the first cam surface 52.

[0071] Correspondingly, the sliding member 4 is also arranged on each of the two opposite side walls of the housing 2, and two lugs 6 are arranged on the sliding member 4, so that the two side-by-side arranged cam tracks 5 on the same side wall of the tank body 11 share the same sliding member 4.

[0072] In the embodiment, as shown in Figs. 11-13, the fluid product dispenser further comprises a spring supporting sleeve 8, the outer diameter of the spring supporting sleeve 8 is smaller than the inner diameter of the housing neck 24, and the inner diameter of the spring supporting sleeve 8 is larger than the outer diameter of the tank neck 12, so that the spring supporting sleeve 8 can be sleeved between the housing neck 24 and the tank neck 12 and can axially move. The inner wall of the spring supporting sleeve 8 is provided with a step for supporting the spring 7, and the inner diameter of the step is also larger than the diameter of the tank neck 12. When the liquid storage tank 1 is connected with the housing 2, the upper end face of the tank body 11 abuts against the lower end of the spring supporting sleeve 8, and the upper end of the spring 7 abuts against the upper end face of the housing neck 24, so that the elastic force of the spring 7 is transmitted to the liquid storage tank 11 through the spring supporting sleeve 8 and then transmitted to the lug 6 through the cam track 5.

[0073] In use, the liquid storage tank 1 is pushed into the housing 2 through the mounting opening 21 at the lower end of the housing 2, that is, an axial pushing force is applied to the liquid storage tank 1 until the pressing part of the pump extends out of the pressing opening 22 at the upper end of the housing 2. In this process, the liquid storage tank 1 applies pressure to the spring 7 on one hand, and the lug 6 slides into the first low abutment part 53 on the other hand. When the liquid storage tank 1 is released, the lug 6 is driven into the locking groove 51 under the action of the spring 7, so that the liquid storage tank 1 is locked in the connected position with the housing 2. When it is necessary to disassemble the liquid storage tank 1, another axial pushing force is applied to the liquid storage tank 1 from the lower end, which enables the lug 6 to escape from the locking groove 51 against the elastic force of the spring 7 and slide along the second cam surface 54 to the second low abutment part 55. When the pushing force applied to the liquid storage tank 1 is removed, the lug 6 is released from the cam track 5 under the action of the spring 7, and at this time the connection between the liquid storage tank 1 and the housing 2 is released, so that the liquid storage tank 1 can be taken out of the housing 2.

[0074] It can be seen that in use, the sliding member 4 only makes reciprocating sliding movement, and the length thereof does not exceed the width of the tank body 11.

[0075] It is easy to understand that the cross section of the tank body 11 of the liquid storage tank 1 can also be other shapes, such as triangular, pentagonal, hexagonal or other shapes with other number of sides, and the housing 2 can also be configured in the corresponding shape.

[0076] Embodiment Two

[0077] The difference from the first embodiment is that, as shown in Figs. 14-16, the cam track 5 is arranged on the sliding member 4, and the lug 6 is arranged on the side wall of the tank body 11 in the liquid storage tank 1, for example, the lug 6 is integrally formed on the tank body 11.

[0078] In this case, the cam track 5 needs to be arranged with a rotation of 180° compared with the first embodiment.

[0079] In addition, in order to facilitate the cooperation between the lug 6 on the tank body 11 and the cam track 5 on the sliding member 4, the sliding member 4 is protruded from the inner wall surface of the shell 2 in this embodiment, and then the cam track 5 is arranged on the protruding part of the sliding member 4. Correspondingly, the size of the tank body 11 is appropriately reduced, so that the tank body 11 can freely move in the shell 2. On the basis of the free movement of the tank body 11, the lug 6 on the side wall of the tank body 11 (protruding out) can enter the cam track 5, thereby realizing the disassembly and assembly operation of the liquid storage tank 1 relative to the shell 2. The disassembly and assembly process of this embodiment will not be described again.

[0080] It is easy to understand that the number of the cam track 5 arranged on the sliding member 4 can be only one, of course, two or more cam tracks 5 can also be arranged according to the specific size relationship between the sliding member 4 and the cam track 5, and correspondingly, the same number of lugs 6 on the side wall of the tank body 11 can also be arranged.

[0081] Embodiment three

[0082] The difference from the first embodiment is that, in this embodiment, the cam track 5 is arranged in a fixed form on the shell 2, for example, arranged at the lower end inner wall of the shell neck 24, and the cam track 5 also needs to be rotated by 180°, as shown in Fig. 17. Of course, in this embodiment, the shell 23, the shell neck 24 and the shell liner 25 constituting the shell 2 can be integrally formed.

[0083] Correspondingly, the sliding member 4 is slidably connected to the liquid storage tank 1, for example, a slide for the sliding of the sliding member 4 is arranged on the side wall of the tank body 11. In order to facilitate the assembly and disassembly, a long groove 16 can be first arranged on the outer wall of the tank body 11, and then a cover plate 17 can be detachably fixed at the groove bottom of the groove 16, for example, connected and fixed by means of buckle structure or screw, as shown in Fig. 18.

[0084] The width of the cover plate 17 is less than the groove width of the groove 16, and one side of the cover plate 17 is installed against one side of the groove 16 when installed. The other side of the cover plate 17 is provided with a step facing the bottom of the groove 17, and the other side of the groove 17 is also provided with a similar step. In this way, the space formed by the two steps and the groove 17 is a T-shaped slide, and the sliding member 4 is configured in a T-shaped cross section. When the sliding member 4 is embedded in the slide, the sliding member 4 cannot be removed but can slide, as shown in FIG. 19. Of course, the slide can also have other shapes, for example, by changing the shape of the step, the cross section of the slide can be dovetail-shaped.

[0085] It is easy to understand that the sliding member 4 is generally not protruding from the outer wall surface of the tank 11, and only the lug 6 installed on the sliding member 4 protrudes from the outer wall surface of the tank 11, so that the sliding member 4 can avoid affecting the installation of the liquid storage tank 1 into the shell 2.

[0086] Embodiment Four

[0087] The difference between this embodiment and Embodiment Three is that in this embodiment, the cam track 5 is arranged on the sliding member 4, and the lug 6 is arranged in a fixed form on the inner wall surface of the shell 2, for example, integrally formed. At this time, the shell 23, the shell neck 24 and the shell liner 25 which constitute the shell 2 can also be integrally formed.

[0088] In this embodiment, the cam track 5 needs to be rotated by 180° again, so that its state is the same as that of Embodiment One.

[0089] Embodiment Five

[0090] It is easy to understand that the sliding member 4 can not only slide along the direction perpendicular to the filling direction of the liquid storage tank 1, but also can form a certain inclined angle between the sliding direction of the sliding member 4 and the filling direction of the liquid storage tank 1. This modification is applicable to any of the above embodiments.

[0091] As shown in FIGS. 20-22, for example, based on Embodiment One, only the upper end edge (part) of the shell 23 and the lower end edge (part) of the shell liner 25 used to limit the sliding member 4 are configured in an inclined shape, so that the sliding member 4 can slide along a direction inclined to the filling direction of the liquid storage tank 1. Similarly, this is also true in Embodiment Two.

[0092] In Embodiment Three, only the arrangement direction of the groove 16 and the cover plate 17 needs to be changed to change the sliding member 4. Similarly, this is also true in Embodiment Four.

[0093] It should be noted that when there are two or more cam tracks 5, the arrangement direction of the two or more cam tracks 5 also needs to be parallel to the sliding direction of the sliding member 4.

[0094] The embodiments of the present application are described in detail above with reference to the accompanying drawings, but the present application is not limited to the described embodiments. Various changes, modifications, replacements, and variations of the embodiments can be made by those skilled in the art without departing from the principles and spirit of the present application, and still fall within the scope of the present application.

Claims

1. A fluid product dispenser, characterized in that: It includes a liquid storage tank and a housing; the liquid storage tank is equipped with a dispensing component, and the housing has an installation port at the far end for filling the liquid storage tank and a pressing port at the near end for exposing the dispensing component; It also includes at least one cam track, at least one lug adapted to the cam track, and a spring for pushing the lug out of the cam track; In this configuration, one of the cam track and the lug is disposed on one of the liquid storage tank and the outer casing, and the other of the cam track and the lug is disposed on the sliding member, which is slidably connected to the other of the liquid storage tank and the outer casing.

2. The fluid product dispenser according to claim 1, characterized in that: The storage tank includes a tank body and a neck disposed on one side of the proximal end of the tank body; the tank body includes a plurality of sidewalls parallel to the filling direction of the storage tank, and the cam track is disposed on at least one sidewall of the storage tank.

3. The fluid product dispenser according to claim 2, characterized in that: The tank body has a rectangular cross-section on its side wall, and the cam track is provided on at least two opposite side walls of the tank body.

4. The fluid product dispenser according to claim 3, characterized in that: At least two cam tracks are arranged side by side on both opposite side walls of the tank.

5. The fluid product dispenser according to claim 4, characterized in that: At least two cam tracks arranged side by side on the same side wall of the tank share the same sliding member, and the sliding member is provided with the same number of lugs as the cam tracks.

6. The fluid product dispenser according to claim 5, characterized in that: The outer casing includes a shell, a neck, and a liner; both the proximal and distal ends of the shell are open, and the inner wall of the shell is adapted to the outer wall of the tank; the distal inner wall of the neck is adapted to the proximal outer wall of the shell and the two are detachably and fixedly connected, the proximal inner wall of the neck is adapted to the outer wall of the neck, and the pressing port is provided on the proximal end face of the neck; the liner is pressed between the shell and the neck, and a slide is formed between the proximal edge of the shell and the liner for the sliding member to slide therein.

7. The fluid product dispenser according to claim 5, characterized in that: The outer wall cross-section of the tank neck and the near-end inner wall cross-section of the shell neck are both circular.

8. The fluid product dispenser according to claim 5, characterized in that: It also includes a spring support sleeve, which is axially movably arranged inside the proximal end of the shell neck. The inner wall of the spring support sleeve is provided with a step for supporting the spring, and the inner diameter of the step is larger than the diameter of the tank neck. When the liquid storage tank is connected to the outer shell, the proximal end of the spring abuts against the proximal end face of the shell neck, and the distal end of the spring support sleeve abuts against the proximal end face of the liquid storage tank.

9. The fluid product dispenser according to claim 1, characterized in that: The cam track includes: A locking groove is used to lock the lug under the action of the spring, so that the liquid storage tank is locked in the position connected to the outer shell; The lug slides along the first cam surface against the axial thrust of the spring. The first cam surface is used to drive the lug to the first low adjacent portion. After the axial thrust is released, the lug is brought into the locking groove under the action of the spring. The lug disengages from the locking groove and slides along the second cam surface to the second low abutment under the action of another axial thrust of the spring. After the other axial thrust is released, the lug is released from the cam track under the action of the spring.

10. The fluid product dispenser according to claim 9, characterized in that: The cam track further includes at least one inclined surface for driving the lug onto the first cam surface.

11. The fluid product dispenser according to any one of claims 1-10, characterized in that: The sliding direction of the sliding member is perpendicular to the filling direction of the liquid storage tank, or the sliding direction of the sliding member has an inclined angle with the filling direction of the liquid storage tank.

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