Distributor

Abstract

The distributor comprises a container and a distributing head, the container is provided with a first cavity with an opening in one end, the distributing head comprises a first cover body, a first elastic piece, a second cover body and a valve mechanism, the first cover body is fixed to the outer side of the container and covers the opening of the container, and the second cover body is arranged on the outer side of the first cover body in a sleeving mode and is in sliding connection with the first cover body; therefore, the second cover body and the first cover body can slide relatively. The first cover body is provided with a second cavity, the second cavity is communicated with the first cavity, and the second cover body and the first cover body jointly define a third cavity; the valve mechanism is fixedly connected with the first cover body or the second cover body and is arranged to be switched between an open state and a closed state along with relative sliding between the first cover body and the second cover body; when the valve mechanism is in a closed state, the first cavity is not communicated with the outside; when the valve mechanism is in an open state, the first cavity communicates with the outside through the second cavity and the third cavity.

Description

Technical Field

[0001] The present invention relates to the technical field of fluid distribution, and more particularly to a dispenser. Background Art

[0002] A dispenser is a device for distributing fluids, and is widely used in the fields of chemical industry, medicine, food, cosmetics, etc. A traditional dispenser generally includes a dispensing head and a container, wherein the container stores the fluid, and the dispensing head is used to control the flow and distribution of the fluid in the container.

[0003] In the prior art, the dispensing head is usually a cap disposed at the open end of the container. When the fluid in the container needs to be dispensed, the user needs to first unscrew the cap and then pour out the fluid in the container to achieve dispensing.

[0004] However, when dispensing fluid using the existing dispenser, the user needs to hold the container with one hand and unscrew the cap with the other hand, requiring both hands to dispense the fluid, and the operation method is complicated. Summary of the invention

[0005] In view of the above-mentioned defects in the prior art, an object of the present invention is to provide a dispenser which can dispense fluid by pressing the container with one hand and is easy to operate.

[0006] Based on the above purpose, the present invention provides a dispenser, including a container and a dispensing head, wherein the container has a first cavity with an opening at one end, and the dispensing head includes a first cover body, a first elastic member, a second cover body and a valve mechanism, wherein the first cover body is fixed to the outside of the container and covers the opening of the container, and the second cover body is sleeved on the outside of the first cover body and is slidably connected to the first cover body so that the second cover body and the first cover body can slide relative to each other; the first cover body has a second cavity, the second cavity is connected to the first cavity, and the second cover body and the first cover body jointly define a third cavity;

[0007] The valve mechanism is fixedly connected to the first cover body or the second cover body, and is configured to switch between an open state and a closed state as the first cover body and the second cover body slide relative to each other; two ends of the first elastic member are respectively connected to the first cover body and the second cover body, and provide an elastic force that moves the first cover body and the second cover body away from each other, so that the valve mechanism has a tendency to switch to the closed state;

[0008] When the valve mechanism is in the closed state, the first cavity is not connected to the outside; when the valve mechanism is in the open state, the first cavity is connected to the outside through the second cavity and the third cavity.

[0009] Furthermore, the valve mechanism is fixedly connected to the second cover body, the third cavity is connected to the outside, and the second cavity and the third cavity are dynamically and controllably connected through the valve mechanism; when the valve mechanism is in a closed state, the second cavity and the third cavity are not connected, and when the valve mechanism is in an open state, the second cavity and the third cavity are connected.

[0010] Furthermore, the first cover body is provided with at least one first through hole, and the first through hole is used to connect the second cavity and the third cavity; the second cover body is provided with at least one second through hole, and the second through hole is used to connect the third cavity and the outside, and the valve mechanism is configured to block the first through hole in the closed state so that the second cavity and the third cavity are not connected, and release the first through hole in the open state so that the second cavity and the third cavity are connected.

[0011] Further, the valve mechanism includes a valve stem and a sealing plate, both ends of the valve stem are fixedly connected to the second cover body and the sealing plate respectively, and the sealing plate is located in the second cavity; when the valve mechanism is in the closed state, the sealing plate is tightly attached to the first cover body and seals the first through hole, and when the valve mechanism is in the open state, the sealing plate is out of contact with the first cover body and releases the first through hole.

[0012] Furthermore, the valve mechanism is fixedly connected to the first cover body, the second cavity and the third cavity remain connected, and the third cavity is dynamically and controllably connected to the outside through the valve mechanism; when the valve mechanism is in a closed state, the third cavity is not connected to the outside, and when the valve mechanism is in an open state, the third cavity is connected to the outside.

[0013] Furthermore, the first cover body is provided with at least one first through hole, and the first through hole is used to connect the second cavity and the third cavity; the second cover body is provided with at least one second through hole, and the second through hole is used to connect the third cavity and the outside, and the valve mechanism is configured to block the second through hole in the closed state so that the third cavity and the outside are not connected, and release the second through hole in the open state so that the third cavity and the outside are connected.

[0014] Further, the valve mechanism includes a valve stem and a sealing plate, the two ends of the valve stem are respectively fixedly connected to the first cover body and the sealing plate, and the sealing plate is located on the outside of the second cover body; when the valve mechanism is in the closed state, the sealing plate is tightly attached to the second cover body and seals the second through hole, and when the valve mechanism is in the open state, the sealing plate is out of contact with the second cover body and releases the second through hole.

[0015] Furthermore, one of the first cover body and the second cover body is provided with at least one first protrusion, and the other of the first cover body and the second cover body is provided with at least one first slide groove corresponding to the first protrusion one by one, the first protrusion and the first slide groove both extend along the sliding direction, and the first protrusion can be slidably arranged in the first slide groove so that the first cover body and the second cover body are slidably connected.

[0016] Furthermore, it also includes a third cover body, and the third cover body is sleeved on the outer side of the second cover body.

[0017] Furthermore, the second cover body and the third cover body jointly define a fourth cavity with a variable volume located on the third cover body, and the fourth cavity is connected to the third cavity through the second through hole; the third cover body is slidably connected to the second cover body so that the third cover body can slide relative to the second cover body, and as the third cover body slides toward the direction approaching the container, the volume of the fourth cavity gradually decreases.

[0018] Furthermore, the third cover body is provided with a first limiting structure, and the second cover body is provided with a second limiting structure, and the first limiting structure and the second limiting structure are used to limit the position of the third cover body when the third cover body slides toward the container relative to the second cover body, so as to limit the volume of the fourth cavity.

[0019] Furthermore, there are a plurality of second limiting structures, each of which is staggered along the sliding direction of the third cover, and each of which corresponds to a different preset volume of the fourth cavity;

[0020] The third cover body is also configured to align the first limiting structure with any one of the second limiting structures in the sliding direction of the third cover body, so that when the third cover body slides toward the container relative to the second cover body, the first limiting structure can cooperate with the second limiting structure to make the volume of the fourth cavity a preset volume corresponding to the second limiting structure.

[0021] Furthermore, a first material is pre-stored in the first cavity, and a second material is pre-stored in the third cavity. When the valve mechanism is in the closed state, the first material and the second material are isolated from each other. When the valve mechanism is in the open state, the second material enters the first cavity and mixes with the first material to obtain a mixed fluid product.

[0022] Furthermore, it also includes a discharging device, which is fixed on the second cover body and dynamically and controllably blocks the second through hole; when the discharging device blocks the second through hole, the third cavity is not connected to the outside, and when the discharging device releases the second through hole, the third cavity is connected to the outside.

[0023] Furthermore, the discharging device includes a second elastic member and a plugging head, the second elastic member is located in the third cavity, and two ends of the second elastic member are respectively connected to the second cover body and the plugging head; the plugging head is partially located in the third cavity, and partially extends from the second through hole outside the third cavity, and the plugging head can slide relative to the second cover body; the second elastic member is used to provide the plugging head with an elastic force that causes the plugging head to slide in a direction away from the container and fit tightly with the second cover body; the plugging head blocks the second through hole when it fits tightly with the second cover body, and releases the second through hole when it loses contact with the second cover body.

[0024] Furthermore, the second elastic member, the plugging head and the valve stem are integrally formed.

[0025] Furthermore, the discharging device includes a sponge and a retaining frame, the retaining frame fixes the sponge on the second cover body, and the sponge covers the second through hole.

[0026] Further, the discharging device includes an outer shell, which is fixedly connected to the second cover body, the outer shell has a first inner cavity, the second through hole is connected to the first inner cavity, the outer shell is provided with an outlet, the outlet is used to connect the first inner cavity and the outside, the first inner cavity is provided with a third elastic member and a ball, the third elastic member is used to apply an elastic force to the ball to make it move away from the container, so that the ball is partially located in the first inner cavity and partially extends out of the outer shell from the outlet and is in close contact with the outer shell to block the outlet; the ball is configured to be able to move in a direction close to the container and lose contact with the outer shell under the action of an external force to release the outlet.

[0027] The dispenser of the present invention can switch the valve mechanism from a closed state to an open state by pressing the container, so that the fluid in the container can flow out and the fluid can be dispensed. The above operation can be completed with one hand, which is very simple.

[0028] The concept, specific structure and technical effects of the present invention will be further described below in conjunction with the accompanying drawings to fully understand the purpose, characteristics and effects of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1is a three-dimensional diagram of a dispenser according to Embodiment 1 of the present invention;

[0030] Figure 2 An exploded view of a dispenser according to Embodiment 1 of the present invention;

[0031] Figure 3 is a half-section schematic diagram of a dispenser according to Embodiment 1 of the present invention when the valve mechanism is in a closed state;

[0032] Figure 4 is a partial half-section schematic diagram of a dispenser according to Embodiment 1 of the present invention when the valve mechanism is in an open state;

[0033] Figure 5 It is a structural schematic diagram of a blocking plate of a valve mechanism of a distributor according to Embodiment 1 of the present invention;

[0034] Figure 6 is a three-dimensional diagram of a dispenser according to Embodiment 1 of the present invention with a second cover body partially cut away;

[0035] Figure 7 This is a schematic diagram of the internal structure of the third cover of the dispenser according to the first embodiment of the present invention;

[0036] Figure 8 is a half-section schematic diagram of a dispenser according to Embodiment 2 of the present invention when the valve mechanism is in a closed state;

[0037] Fig. 9 A partial half-section view of a dispenser according to Embodiment 2 of the present invention when the valve mechanism is in an open state;

[0038] Fig.10 It is a half-section schematic diagram of the dispenser according to the third embodiment of the present invention when the valve mechanism and the discharging device are both in a closed state;

[0039] Fig.11 It is a schematic structural diagram of a valve mechanism and a discharging device of a distributor according to Embodiment 3 of the present invention being fixed together;

[0040] Fig.12 Another structural schematic diagram of a discharging device according to Embodiment 3 of the present invention;

[0041] Fig.13 According to the third embodiment of the present invention, Fig.12 A cross-sectional view of a distributor of the discharging device shown;

[0042] Fig.14 This is another structural schematic diagram of the discharging device of the distributor according to the third embodiment of the present invention. DETAILED DESCRIPTION

[0043] In order to make the technical means, creative features, objectives and effects of the invention easier to understand, the invention is further described below with reference to specific diagrams. However, the invention is not limited to the following implementation cases.

[0044] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings in this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with this technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantive technical significance. Any structural modification, change in proportion or adjustment of size, without affecting the effects and purposes that can be achieved by the present invention, should still fall within the scope of the technical contents disclosed by the present invention.

[0045] Embodiment 1

[0046] like Figure 1 , Figure 2 and Figure 3As shown, the first embodiment of the present invention provides a dispenser, including a container 100 and a dispensing head 200, the container 100 has a first cavity 110 with an opening at one end, the first cavity 110 is used to store the fluid to be dispensed, the dispensing head 200 includes a first cover 210, a first elastic member 220, a second cover 230 and a valve mechanism 240, the first cover 210 is fixed to the outside of the container 100 and covers the opening of the container 100, the second cover 230 is sleeved on the outside of the first cover 210 and is slidably connected to the first cover 210, so that the second cover 230 and the first cover 210 can slide relative to each other, the first cover 210 has a second cavity 211, the second cavity 211 is connected to the first cavity 110, the second cover 230 and the first cover 210 jointly define a third cavity 231 located on the second cover 230; the valve mechanism 240 is fixed to the first cover 210 or the second cover 230 The valve mechanism 240 is connected, and is configured to switch between an open state and a closed state as the second cover body 230 slides relative to the first cover body 210. The two ends of the first elastic member 220 are respectively connected to the first cover body 210 and the second cover body 230. The first elastic member 220 is configured to apply an elastic force to the first cover body 210 and the second cover body 230, and the elastic force causes the first cover body 210 and the second cover body 220 to move away from each other, and causes the valve mechanism 240 to have a tendency to switch toward a closed state. When the valve mechanism 240 is in a closed state, the first cavity 110 is not connected to the outside, and the fluid in the first cavity 110 will not be able to flow out. When the valve mechanism 240 is in an open state, the first cavity 110 is connected to the outside through the second cavity 211 and the third cavity 231, and the fluid in the first cavity 110 can flow to the outside through the second cavity 211 and the third cavity 231, thereby realizing the distribution of the fluid. When the dispenser is not subjected to external force, the first elastic member 220 keeps the first cover 210 and the second cover 230 in the initial state. At this time, the second cover 230 is located at the initial position relative to the first cover 210, and the valve mechanism 240 is in a closed state. When the fluid needs to be dispensed, the dispenser can be turned upside down, and then the second cover 230 is held by hand, and the container 100 is pressed with a finger. The pressing force will overcome the elastic force of the first elastic member 220, so that the container 100 and the first cover 210 move relative to the second cover 230. As the first cover 210 moves relative to the second cover 230, the container 100 and the first cover 210 move relative to the second cover 230. When the first cover 210 is moved, the valve mechanism 240 will switch from the closed state to the open state, and the fluid in the first cavity 110 can flow through the second cavity 211 and the third cavity 231 in sequence under the action of gravity, and then flow to the outside from the third cavity 231, thereby realizing the distribution of the fluid; when the distribution is completed, the container 100 can be stopped from being pressed, and then under the action of the elastic force of the first elastic member 230, the first cover 210 and the container 100 will slide to the initial position (i.e., reset), and the valve mechanism 240 will switch from the open state to the closed state, and the fluid in the first cavity 110 can no longer flow out, thereby avoiding leakage of the fluid.

[0047] In some embodiments, the lower portion of the second cover 230 can extend downward to a position close to the bottom of the container 100 and cover most of the container 100 to make the dispenser more beautiful; there can be a certain gap between the second cover 230 and the container 100, so that when the second cover 230 and the first cover 210 move relative to each other, the second cover 230 and the container 100 can also move relative to each other without contacting each other, thereby avoiding friction between the second cover 230 and the container 100 during the relative movement, resulting in unsmooth movement and damage to the container 100.

[0048] In some embodiments, the first cover 210 may include a first outer cover 212 and a first inner cover 213, a first accommodation space 214 is formed between the first outer cover 212 and the first inner cover 213, the second cavity 211 is formed on the first inner cover 213, the top of the container 100 may be formed as a neck 120, the opening is defined by the neck 120, the neck 120 is located in the first accommodation space 214, and is fixedly connected to the first outer cover 212, so that the first outer cover 212 will be sleeved on the outside of the neck 120, and a portion of the first inner cover 213 extends from the opening into the first cavity 110 of the container 100, and the bottom of the first inner cover 213 is through, so that the second cavity 211 is connected to the first cavity 110. The outer side of the neck 120 may be provided with an external thread, and the inner side of the first outer cover 212 may be provided with an internal thread, and the internal thread and the external thread cooperate with each other to fix the first cover 210 to the container 100.

[0049] In some embodiments, the second cover body 230 may include a second outer cover 232 and a second inner cover 233, and a second accommodating space 234 is formed between the second outer cover 232 and the second inner cover 233. The second outer cover 232 is sleeved on the outer side of the first outer cover 212 and the container 100, and the second outer cover 232 is slidably connected to the first outer cover 212, and there is a gap between the container 100, and the second inner cover 233 is sleeved on the outer side of the first inner cover 213 and is slidably connected to the first inner cover 213.

[0050] In some embodiments, the third cavity 231 may be formed in such a way that: the second inner cover 233 has an inner cavity, at least a portion (e.g., the top) of the first inner cover 213 is located in the inner cavity of the second inner cover 233, and the remaining space of the inner cavity except the space occupied by the first inner cover 213 forms the third cavity 231.

[0051] In some embodiments, the first elastic member 220 may be a spring, a spring sheet, or any other suitable elastic element, as long as it can provide an elastic force to restore the first cover 210 and the second cover 230 to their initial state. For example, the first elastic member 220 may be a spring, which is located between the first cover 210 and the second cover 230 and is in a compressed state, thereby providing an elastic force to the first cover 210 and the second cover 230 to move away from each other and return to their initial state; the spring may be sleeved on the outside of the first inner cover 213 and the second inner cover 233, and located in the second accommodation space 234.

[0052] In some embodiments, the valve mechanism 240 can be fixedly connected to the second cover body 230, the third cavity 231 remains connected to the outside, and the second cavity 211 and the third cavity 231 are dynamically and controllably connected through the valve mechanism 240; that is, when the valve mechanism 240 is in a closed state, the second cavity 211 and the third cavity 231 are not connected, so that the first cavity 110 is not connected to the outside; when the valve mechanism 240 is in an open state, the second cavity 211 and the third cavity 231 are connected, so that the first cavity 110 is connected to the outside.

[0053] In some embodiments, at least one first through hole 215 may be provided on the first cover body 210, and the first through hole 215 is used to connect the second cavity 211 and the third cavity 231. At least one second through hole 235 may be provided on the second cover body 230, and the second through hole 235 is used to connect the third cavity 231 and the outside. The valve mechanism 240 is configured to block the first through hole 215 in a closed state so that the second cavity 211 and the third cavity 231 are not connected, and release the first through hole 215 in an open state so that the second cavity 211 and the third cavity 231 are connected.

[0054] In some embodiments, the valve mechanism 240 may include a valve stem 241 and a blocking plate 242. One end of the valve stem 241 is fixedly connected to the second cover body 230, and the other end is fixedly connected to the blocking plate 242. The blocking plate 242 is located in the second cavity 211. When the valve mechanism 240 is in a closed state, the blocking plate 242 is tightly fitted with the wall where the first through hole 215 is located and blocks the first through hole 215. When the valve mechanism 240 is in an open state, as shown in FIG. Figure 4 As shown, the blocking plate 242 leaves the wall where the first through hole 215 is located, thereby releasing the first through hole 215; thus, through the sliding between the first cover body 210 and the second cover body 230, the blocking plate 242 will fit or leave the wall where the first through hole 215 is located to block or release the first through hole 215.

[0055] In addition, when no external force is applied, the elastic force of the first elastic member 220 will cause the first cover body 210 and the second cover body 230 to slide in the direction away from each other, so the blocking plate 242 will move in the direction close to the third cavity 231 under the action of the first elastic member 220, and when the blocking plate 242 is in contact with the wall where the first through hole 215 is located, the two will interfere with each other, and the first cover body 210 and the second cover body 230 may be respectively provided with mutually cooperating snap-fitting structures (such as buckles), in which position they will snap-fit ​​with each other, so that the blocking plate 242 cannot continue to move toward the third cavity 231, thereby keeping the first cover body 210 and the second cover body 230 in the initial state, and the valve mechanism 240 in the closed state.

[0056] In some embodiments, the valve stem 241 is formed as a part of the second cover body 230, and one end of the valve stem 241 passes through the first cover body 210 and enters the second cavity 211 to be fixedly connected to the sealing plate 242; or the valve stem 241 can be integrally formed with the sealing plate 242, and one end thereof passes through the first cover body 210 and enters the third cavity 233 to be fixedly connected to the second cover body 230.

[0057] like Figure 5 As shown, in some embodiments, the blocking plate 242 can be formed into an umbrella shape. When the blocking plate 242 is tightly fitted with the wall where the first through hole 215 is located, it can cover the first through hole 215, so that the fluid cannot flow between the second cavity 211 and the third cavity 231 through the first through hole 215, thereby blocking the first through hole 215 and isolating (i.e., not communicating) the second cavity 211 and the third cavity 231. The blocking plate 242 can be provided with a connecting hole 2421 for the valve stem 241 to pass through, and the valve stem 241 can also cooperate with the connecting hole 2421 to be tightly connected to the blocking plate 242 after passing through the connecting hole 2421.

[0058] In some embodiments, the first through hole 215 can be provided in plurality, so that when the valve mechanism 240 is in an open state, more and faster fluid can pass through the first through hole 215. The plurality of first through holes 215 can be evenly arranged along the circumference of a circle, and each first through hole 215 is arranged in an arc shape.

[0059] In some embodiments, at least one first protrusion 216 (eg, Figure 2 As shown), the inner side of the second cover body 230 is provided with at least one first sliding groove 236 (as shown Figure 6As shown in FIG. 1 , the first protrusion 216 and the first slide groove 236 correspond to each other one by one, and both the first protrusion 216 and the first slide groove 236 extend along the sliding direction. The first protrusion 216 can be inserted into the first slide groove 236 and slide in the first slide groove 236, so that the first cover body 210 and the second cover body 230 are slidably connected. It can be understood that the positions of the first slide groove 236 and the first protrusion 216 can also be interchanged, that is, the first protrusion 216 is arranged on the inner side of the second cover body 230, and the first slide groove 236 is arranged on the outer side of the first cover body 210.

[0060] In some embodiments, the dispenser further includes a third cover body 300 , which is sleeved on the outer side of the second cover body 230 to protect the top of the second cover body 230 .

[0061] In some embodiments, the second cover body 230 and the third cover body 300 jointly define a fourth cavity 310 located on the third cover body 300 and having a variable volume, and the fourth cavity 310 is connected to the third cavity 231 through the second through hole 235; the third cover body 300 is slidably connected to the second cover body 230 so that the third cover body 300 can slide relative to the second cover body 230, and as the end of the third cover body 300 away from the second cover body 230 gradually approaches the second cover body 230 (that is, when the third cover body 300 slides in a direction close to the container 100), the volume of the fourth cavity 310 gradually decreases; thereby, by changing the position of the third cover body 300 relative to the second cover body 230, the volume of the fourth cavity 310 can be changed. When the dispenser is inverted and the valve mechanism 240 is in an open state, the fluid in the first cavity 110 can flow into the fourth cavity 310 through the second cavity 211 and the third cavity 231 in sequence. When the fluid fills the fourth cavity 310, the valve mechanism 240 can be closed and the third cover body 300 can be removed from the second cover body 230, thereby obtaining a fluid with the same volume as the fourth cavity 310.

[0062] In some embodiments, the third cover 300 may be provided with a first limiting structure 320 (eg, Figure 7As shown in the figure, the second cover 230 is provided with a second limiting structure 237. When the third cover 300 slides relative to the second cover 230 toward the direction of the container 100 until the first limiting structure 320 cooperates with the second limiting structure 237, the third cover 300 will not be able to continue to slide toward the direction of the container 100 to limit the position of the third cover 300 relative to the second cover 230, thereby limiting the volume of the fourth cavity 310. The position of the second limiting structure 237 can be preset so that when the third cover 300 moves to the first limiting structure 320 and the second limiting structure 237 cooperate, the volume of the fourth cavity 310 is a preset volume, so that the dispenser can dispense a preset volume of fluid. In other words, the third cover 300 at this time also has a quantitative function. Existing dispensers generally do not have a quantitative function. When quantitative measurement is required, the material body is generally transferred to a measuring cup by pouring or the like. When pouring is used, manual observation of the scale is required, which is easy to leak and the dosage is inaccurate, and the operation is inconvenient.

[0063] For example, the first limiting structure 320 may be a second protrusion disposed on the inner side of the third cover 300, and a second sliding groove 238 (such as Figure 2 As shown in FIG. 2 , the second protrusion can be inserted into the second slide groove 238 and can slide in the second slide groove 238, so that the third cover body 300 is slidably connected to the second cover body 230. The second limiting structure 237 is disposed in the second slide groove 238. When the second protrusion slides in the second slide groove 238 until it contacts the second limiting structure 237, the two will interfere with each other, thereby preventing them from sliding further toward the direction of the container 100, thereby limiting the position of the third cover body 300 and the volume of the fourth cavity 310.

[0064] In some embodiments, there are multiple second limiting structures 237, and each second limiting structure 237 is staggered along the sliding direction (that is, the connecting line between any two second limiting structures 237 is not parallel to the sliding direction), and the distance between each second limiting structure 237 and the end of the third cover body 300 away from the second cover body 230 is different. Each second limiting structure 237 corresponds to a different position of the third cover body 300, and therefore also corresponds to a different preset volume of the fourth cavity 310. When the third cover body 300 slides to the point where the first limiting structure 320 cooperates with a certain second limiting structure 237, the volume of the fourth cavity 310 is the preset volume corresponding to the second limiting structure 237. The third cover body 300 is also configured to be rotatable relative to the second cover body 230. By rotating, the first limiting structure 320 on the third cover body 300 can be aligned with any second limiting structure 237 in the sliding direction. Then, when the third cover body 300 slides along the sliding direction, the first limiting structure 320 can cooperate with the second limiting structure 237 to make the volume of the fourth cavity 310 a preset volume corresponding to the second limiting structure 237; then, by inverting the dispenser and opening the valve mechanism 240, the fluid can fill the fourth cavity 310. After filling, the valve mechanism 240 is closed, and the third cover body 300 is removed from the second cover body 230, thereby obtaining the third cover body 300 filled with a preset volume of fluid.

[0065] When there are multiple second limiting structures 237, there are also multiple second slide grooves 238, and the two correspond one to one. Each second limiting structure 237 is arranged in the corresponding second slide groove 238. In this way, when the first limiting structure 237 is aligned with a second limiting structure 237 in the sliding direction, as the third cover body 300 slides toward the container 100, the first limiting structure 320 can slide in the second slide groove 238 to make its sliding more accurate and make the alignment between the first limiting structure 237 and the second limiting structure 237 more convenient.

[0066] Exemplarily, the preset volumes corresponding to the second limiting structures 237 are 4ML, 5ML and 10ML respectively, and the corresponding volume values ​​can be marked near the second limiting structures 237 for user identification. When 4ML of fluid needs to be dispensed, the first limiting structure 320 can be aligned with the second limiting structure 237 of 4ML in the sliding direction by rotating the third cover 300, and then the third cover 300 is pressed to slide toward the direction of the container 100, and the first limiting structure 320 slides in the second chute 238 until the first limiting structure 320 and the second limiting structure 237 of 4ML interfere, and the third cover 300 stops moving, and then the dispenser is inverted and the valve mechanism 240 is opened, so that the fluid in the first cavity 110 flows into the fourth cavity 310, and the valve mechanism 240 is closed after it is full, and the third cover 300 is removed, thereby obtaining 4ML of fluid. Similarly, when other preset volumes of fluid are needed, the above-mentioned similar methods can be used.

[0067] In some embodiments, the container 100, the first cover body 210, the second cover body 230 and the third cover body 300 can all be axially symmetrical structures and are coaxially arranged. The relative sliding between the covers refers to relative movement along the axial direction, and the rotation between the second cover body 230 and the third cover body 300 refers to rotation around the axial direction.

[0068] In some embodiments, the dispenser can also be used for mixing different materials. For some fluid products that require multiple materials to be mixed, different materials will undergo physical or chemical reactions during the mixing process, so that the mixed fluid product has specific functions, but this will also shorten the shelf life of the mixed fluid product. In order to extend the shelf life, the first material can be placed in the first cavity 110 during the production process, and the second material can be placed in the third cavity 231. In this way, before the user purchases and uses it, the third cavity 231 and the first cavity 110 are not connected due to the closure of the valve mechanism 240, so the first material and the second material will be stored separately; and when it is needed, the user can put the dispenser upright so that the distribution head 200 is located above the container 100, and then press the second cover 230 to open the valve mechanism 240, so that the third cavity 231 is connected to the first cavity 110, and the second material will enter the first cavity 110 under the action of gravity and mix with the first material, thereby obtaining a mixed fluid product; then the fluid product in the first cavity 110 can be distributed according to the above method. At least one of the first material and the second material is a fluid, so that the product obtained after mixing is a fluid. Preferably, both the first material and the second material are fluids.

[0069] Embodiment 2

[0070] like Figure 8 and Fig. 9As shown, the second embodiment of the present invention provides a distributor, which has a structure basically the same as that of the distributor of the first embodiment, except that: the connection mode and working principle of the valve mechanism 240 with the first cover body 210 and the second cover body 230 are slightly different. In the second embodiment, the valve mechanism 240 is fixedly connected to the first cover body 210, the second cavity 211 and the third cavity 231 are kept in communication, and the third cavity 231 is dynamically and controllably connected to the outside or the fourth cavity 310 through the valve mechanism 240, that is, when the valve mechanism 240 is in a closed state, the third cavity 231 is not connected to the outside or the fourth cavity 310, and when the valve mechanism 240 is in an open state, the third cavity 231 is connected to the outside or the fourth cavity 310. When the first cover body 210 and the second cover body 230 slide relative to each other, the valve mechanism 240 will also slide relative to the second cover body 230, so that the valve mechanism 240 switches between the open state and the closed state.

[0071] Different from the first embodiment, the valve mechanism 240 is no longer used to dynamically and controllably block the first through hole 215, but is used to dynamically and controllably block the second through hole 235. Specifically, the blocking plate 242 of the valve mechanism 240 is located on the outside of the second cover 230, one end of the valve stem 241 is fixedly connected to the blocking plate 242, and the other end is fixedly connected to the first cover 210 after passing through the top of the second cover 230. When the first cover 210 and the second cover 230 slide relative to each other, the blocking plate 242 will slide relative to the second cover 230, so that the blocking plate 242 moves away from or approaches the second cover 210. When the blocking plate 242 is tightly fitted with the second cover 210, it can block the second through hole 235, so that the valve mechanism 240 is closed. When the blocking plate 242 leaves the second cover 210, it can release the second through hole 235, so that the valve mechanism 240 is opened.

[0072] Similar to Example 1, when the distributor is not subjected to external force and the sealing plate 242 is tightly fitted against the second cover body 210, the buckle positions on the first cover body 210 and the buckle positions on the second cover body 230 are engaged with each other, so that the sealing plate 242 cannot continue to move toward the direction approaching the second cover body 210 under the action of elastic force, thereby keeping the sealing plate 242 tightly fitted against the second cover body 210, that is, the valve mechanism 240 remains in a closed state.

[0073] Similar to the first embodiment, the dispenser in the second embodiment also opens the valve mechanism 240 by pressing to achieve fluid distribution. Specifically, when in use, the dispenser can be inverted, at which time the fluid in the first cavity 110 will flow into the third cavity 231 through the second cavity 211. Since the valve mechanism 240 is closed, the fluid cannot flow out of the third cavity 231 temporarily; then the second cover body 230 can be held by hand, and the container 100 can be pressed with fingers (or the container 100 can be held and the second cover body 230 can be pressed) to cause relative sliding between the container 100 and the first cover body 210 and the second cover body 230 to open the valve mechanism 240, and then the fluid can flow out of the third cavity 231 through the second through hole 235 (for example, flow to the outside or the fourth cavity 310), thereby achieving fluid distribution; when the distribution is completed, the pressing can be stopped, and then under the action of the first elastic member 220, the container 100 and the first cover body 210 will be reset to close the valve mechanism 240, and the fluid will not continue to flow out.

[0074] Embodiment 3

[0075] like Fig.10 As shown, embodiment three of the present invention provides a distributor, which has basically the same structure as the distributor of embodiment one, except that: the distributor of embodiment three adds a discharging device 250 on the basis of the distributor of embodiment one, and the discharging device 250 is fixed on the second cover body 230 and is used to dynamically and controllably block the second through hole 235, so that the third cavity 231 is dynamically and controllably connected to the outside; when the discharging device 250 blocks the second through hole 235, the third cavity 231 is not connected to the outside, and the fluid cannot flow out of the third cavity 231; when the discharging device 250 releases the second through hole 235, the third cavity 231 is connected to the outside, and the fluid can flow out of the third cavity 231.

[0076] In some embodiments, the discharging device 250 may include a second elastic member 251 and a plugging head 252. The second elastic member 251 is located in the third cavity 231, and its two ends are respectively connected to the second cover body 230 and the plugging head 252. The plugging head 252 is partially located in the third cavity 231, and partially extends out of the third cavity 231 from the second through hole 235. The plugging head 252 can slide relative to the second cover body 230. The second elastic member 251 is used to provide an elastic force to the plugging head 252, which can make the plugging head 252 slide in a direction away from the container 100, and make the plugging head 252 fit tightly with the second cover body 230, and cover the second through hole 235 to block it; when the plugging head 252 is pressed, the pressing force will overcome the elastic force of the second elastic member 251, so that the plugging head 252 slides in a direction close to the container 100, and breaks contact with the second cover body 230, thereby no longer covering the second through hole 235 to release it. Therefore, by pressing the plug 252, the opening and closing of the second through hole 235 can be controlled, thereby controlling the distribution of the fluid.

[0077] The second elastic member 251 may be a spring, a spring sheet or any other suitable elastic element as long as it can provide elastic force for the plug 252 .

[0078] like Fig.11 As shown, in some embodiments, in order to simplify the structure, the discharging device 250 and the valve stem 241 of the valve mechanism 240 can be formed into one body, for example, by injection molding. At this time, the two ends of the second elastic member 251 are respectively connected to the plug 252 and the valve stem 241, and the valve stem 241 is fixedly connected to the second cover 230 through the connecting member 253. The connecting member 253 can also be integrally formed with the valve stem 241, the second elastic member 251, and the plug 252. Since the second elastic member 251 needs to be elastic, while the valve stem 241, the plug 252 and the connecting member 253 are rigid, the thickness of the valve stem 241, the plug 252 and the connecting member 253 can be made thicker during injection molding, so that the deformation generated after being compressed is small and it is basically rigid, while the thickness of the second elastic member 251 is thinner, so that it has a certain elasticity and can rebound to its original shape after being compressed. The valve stem 241, the second elastic member 251, the plugging head 252 and the connecting member 253 can be injection molded from the same plastic. The connecting member 253 can be formed into a ring shape and stuck in a pre-set slot on the second cover body 230 to achieve fixation with the second cover body 230. The connection method of the valve stem 241 and the plugging plate 242 is the same as that in the first embodiment, and will not be repeated here.

[0079] contrast Figure 3 and Fig.10It can be seen that the top of the second cover body 230 of the third embodiment is more slender than that of the first embodiment, and the third cavity 231 is also larger than that of the first embodiment, but it should be understood that this is only an adaptive modification made to better arrange the discharge device 250 in the third cavity 231. In other embodiments, those skilled in the art may also adopt second cover bodies 230 of other shapes and sizes, as long as the valve mechanism 240 and the discharge device 250 can be arranged at the same time.

[0080] In some embodiments, the discharging device 250 can also be a sponge pressing device, which includes a sponge and a holder. The holder is used to fix the sponge on the second cover body 230. The sponge covers the second through hole 235. Since the sponge has an adsorption effect, when the second through hole 235 is located above the sponge, the fluid in the third cavity 231 can enter the sponge through the second through hole 235 under the action of gravity and be adsorbed by it. Then, by squeezing the sponge, the fluid in the third cavity 231 can flow out continuously, thereby achieving product distribution. The holder can be detachably fixed to the second cover body 230, so that the sponge can be replaced as needed to avoid contamination of the product due to its long use time. The shape of the sponge can be round, square, triangular or any other suitable shape.

[0081] like Fig.12 and Fig.13 As shown, in some embodiments, the plugging head 252 may have an inner cavity with one end open, and the second elastic member 251 is located in the inner cavity of the plugging head 252 .

[0082] like Fig.14As shown, in some embodiments, the second through hole 235 can be one or more, and the discharging device 250 may include a shell 254 with the same number as the second through holes 235, the shell 254 is fixedly connected to the second cover body 230, the shell 254 has a first inner cavity 2541, and an outlet 2542 is provided on the shell 254, and the outlet 2542 is used to connect the first inner cavity 2541 and the outside, and the first inner cavity 2541 is provided with a support column 255, a third elastic member 256 and a ball 257, the support column 255 has a second inner cavity 2551, and the second inner cavity 2551 is respectively connected to the first inner cavity 2541 and the second through hole 235, one end of the third elastic member 256 is connected to the support column 255, and the other end is connected to the ball 257, which is used to apply a force to the ball 257 to make it move away from The elastic force of the support column 242 moves in the direction of the support column 242. Under the action of the elastic force, the ball 244 is partially located in the first inner cavity 2541, and partially extends from the outlet 2542 and is in close contact with the shell 241 to block the outlet 2542. The ball 244 can slide in the first inner cavity 2541. When the ball 244 is pressed, the ball 244 can slide relative to the shell 254 toward the support column 255, so that the ball 244 will be out of contact with the shell 254, and there will be a gap between the two, thereby releasing the outlet 2542. The fluid in the first inner cavity 2541 can flow to the outlet 2542 through the gap, and then flow from the outlet 2542 to the outside; therefore, the outlet 2542 can be blocked and released by pressing the ball 244, thereby achieving the distribution of the fluid. In the process of pressing the ball 244, the ball can roll around its own center, so it can also play a massage role. It is understandable that in other embodiments, the support column 242 may not be provided, and the two ends of the third elastic member 256 may be directly connected to the ball 244 and the second cover body 230 to provide elastic force to the ball 244, and the second through hole 235 is directly connected to the first inner cavity 2541, so that the fluid can flow out from the outlet 2542 by pressing the ball 244.

[0083] The third elastic member 256 may be a spring, a spring sheet or any other suitable elastic element as long as it can provide elastic force for the ball 244 .

[0084] The dispenser of the embodiment of the present invention can switch the valve mechanism 240 from a closed state to an open state by pressing the container 100, so that the fluid in the container 100 can flow out and the fluid can be dispensed. The above operation can be completed with one hand, which is very convenient.

[0085] The preferred specific embodiments of the present invention are described in detail above. It should be understood that ordinary technicians in the field can make many modifications and changes based on the concept of the present invention without creative work. Therefore, all technical solutions that can be obtained by technicians in the technical field based on the concept of the present invention through logical analysis, reasoning or limited experiments on the basis of the prior art should be within the scope of protection determined by the claims.

Claims

1. A dispenser, characterized in that: The invention comprises a container and a dispensing head, wherein the container has a first cavity with an opening at one end, and the dispensing head comprises a first cover body, a first elastic member, a second cover body and a valve mechanism, wherein the first cover body is fixed to the outside of the container and covers the opening of the container, and the second cover body is sleeved on the outside of the first cover body and is slidably connected to the first cover body so that the second cover body and the first cover body can slide relative to each other; the first cover body has a second cavity, the second cavity is connected to the first cavity, and the second cover body and the first cover body jointly define a third cavity; The valve mechanism is fixedly connected to the first cover body or the second cover body, and is configured to switch between an open state and a closed state as the first cover body and the second cover body slide relative to each other; two ends of the first elastic member are respectively connected to the first cover body and the second cover body, and provide an elastic force that moves the first cover body and the second cover body away from each other, so that the valve mechanism has a tendency to switch to the closed state; When the valve mechanism is in the closed state, the first cavity is not connected to the outside; when the valve mechanism is in the open state, the first cavity is connected to the outside through the second cavity and the third cavity.

2. The dispenser according to claim 1, characterized in that The valve mechanism is fixedly connected to the second cover body, the third cavity is connected to the outside, and the second cavity and the third cavity are dynamically and controllably connected through the valve mechanism; when the valve mechanism is in a closed state, the second cavity and the third cavity are not connected, and when the valve mechanism is in an open state, the second cavity and the third cavity are connected.

3. The dispenser according to claim 2, characterized in that The first cover body is provided with at least one first through hole, and the first through hole is used to connect the second cavity and the third cavity; the second cover body is provided with at least one second through hole, and the second through hole is used to connect the third cavity and the outside, and the valve mechanism is configured to block the first through hole in the closed state so that the second cavity and the third cavity are not connected, and release the first through hole in the open state so that the second cavity and the third cavity are connected.

4. The dispenser according to claim 3, characterized in that The valve mechanism includes a valve stem and a sealing plate, wherein two ends of the valve stem are fixedly connected to the second cover body and the sealing plate respectively, and the sealing plate is located in the second cavity; when the valve mechanism is in the closed state, the sealing plate is tightly attached to the first cover body and seals the first through hole, and when the valve mechanism is in the open state, the sealing plate is out of contact with the first cover body and releases the first through hole.

5. The dispenser according to claim 1, characterized in that The valve mechanism is fixedly connected to the first cover body, the second cavity and the third cavity are kept in communication, and the third cavity is dynamically and controllably connected to the outside through the valve mechanism; when the valve mechanism is in a closed state, the third cavity is not connected to the outside, and when the valve mechanism is in an open state, the third cavity is connected to the outside.

6. The dispenser according to claim 5, characterized in that The first cover body is provided with at least one first through hole, and the first through hole is used to connect the second cavity and the third cavity; the second cover body is provided with at least one second through hole, and the second through hole is used to connect the third cavity and the outside, and the valve mechanism is configured to block the second through hole in the closed state so that the third cavity and the outside are not connected, and release the second through hole in the open state so that the third cavity and the outside are connected.

7. The dispenser according to claim 6, characterized in that The valve mechanism includes a valve stem and a sealing plate, wherein two ends of the valve stem are fixedly connected to the first cover body and the sealing plate respectively, and the sealing plate is located on the outside of the second cover body; when the valve mechanism is in the closed state, the sealing plate is tightly attached to the second cover body and seals the second through hole, and when the valve mechanism is in the open state, the sealing plate is out of contact with the second cover body and releases the second through hole.

8. The dispenser according to claim 1, characterized in that At least one first protrusion is provided on one of the first cover body and the second cover body, and at least one first slide groove corresponding to the first protrusion is provided on the other of the first cover body and the second cover body. Both the first protrusion and the first slide groove extend along the sliding direction, and the first protrusion can be slidably provided in the first slide groove so that the first cover body and the second cover body are slidably connected.

9. The dispenser according to claim 3 or 6, characterized in that: It also includes a third cover body, which is sleeved on the outer side of the second cover body.

10. The dispenser according to claim 9, characterized in that The second cover body and the third cover body jointly define a fourth cavity with a variable volume located on the third cover body, and the fourth cavity is connected to the third cavity through the second through hole; the third cover body is slidably connected to the second cover body so that the third cover body can slide relative to the second cover body, and as the third cover body slides toward the direction approaching the container, the volume of the fourth cavity gradually decreases.

11. The dispenser according to claim 10, characterized in that The third cover body is provided with a first limiting structure, and the second cover body is provided with a second limiting structure. The first limiting structure and the second limiting structure are used to limit the position of the third cover body when the third cover body slides toward the container relative to the second cover body, so as to limit the volume of the fourth cavity.

12. The dispenser according to claim 11, characterized in that There are a plurality of second limiting structures, each second limiting structure is staggered along the sliding direction of the third cover, and each second limiting structure corresponds to a different preset volume of the fourth cavity; The third cover body is also configured to align the first limiting structure with any one of the second limiting structures in the sliding direction of the third cover body, so that when the third cover body slides toward the container relative to the second cover body, the first limiting structure can cooperate with the second limiting structure to make the volume of the fourth cavity a preset volume corresponding to the second limiting structure.

13. The dispenser according to claim 2, characterized in that A first material is pre-stored in the first cavity, and a second material is pre-stored in the third cavity. When the valve mechanism is in the closed state, the first material and the second material are isolated from each other. When the valve mechanism is in the open state, the second material enters the first cavity and mixes with the first material to obtain a mixed fluid product.

14. The dispenser according to claim 4, characterized in that It also includes a discharging device, which is fixed on the second cover body and dynamically and controllably blocks the second through hole; when the discharging device blocks the second through hole, the third cavity is not connected to the outside, and when the discharging device releases the second through hole, the third cavity is connected to the outside.

15. The dispenser according to claim 14, characterized in that The discharging device includes a second elastic member and a plugging head, the second elastic member is located in the third cavity, and two ends of the second elastic member are respectively connected to the second cover body and the plugging head; the plugging head is partially located in the third cavity, and partially extends out of the third cavity from the second through hole, and the plugging head can slide relative to the second cover body; the second elastic member is used to provide the plugging head with an elastic force that causes the plugging head to slide in a direction away from the container and fit tightly with the second cover body; the plugging head blocks the second through hole when it fits tightly with the second cover body, and releases the second through hole when it loses contact with the second cover body.

16. The dispenser according to claim 15, characterized in that The second elastic member, the plugging head and the valve stem are integrally formed.

17. The dispenser according to claim 14, characterized in that The discharging device includes a sponge and a retaining frame. The retaining frame fixes the sponge on the second cover body, and the sponge covers the second through hole.

18. The dispenser according to claim 14, characterized in that The discharging device comprises a shell, the shell is fixedly connected to the second cover body, the shell has a first inner cavity, the second through hole is connected to the first inner cavity, the shell is provided with an outlet, the outlet is used to connect the first inner cavity with the outside, a third elastic member and a ball are provided in the first inner cavity, the third elastic member is used to apply an elastic force to the ball to make it move away from the container, so that the ball is partially located in the first inner cavity and partially extends out of the shell from the outlet, and is in close contact with the shell to block the outlet; The ball is configured to move toward the container under the action of an external force and to break away from the housing to release the outlet.

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