A packaging bottle

Abstract

The present application relates to the technical field of packaging devices, and specifically relates to a packaging bottle, which comprises a bottle body and a bottle cap, the bottle body is provided with a liquid storage cavity and a liquid outlet communicating with the liquid storage cavity, the bottle cap is provided with a bottle cap inner cavity, the bottle cap is provided with a bottle cap opening, the bottle cap inner cavity is provided with a valve body, the valve body is provided with a discharging cavity communicating with the liquid outlet and a discharging part communicating with the bottle cap opening and having elasticity, the discharging part is provided with a cutout for self-sealing in the direction of the bottle cap opening, the bottle body comprises a shell and a connecting plane integrally formed with the shell, the connecting plane is located on the side close to the bottle cap, the material of the connecting plane is harder than the material of the shell, and when the bottle cap is closed on the bottle body, the lower end surface of the bottle cap is tightly combined with the connecting plane. The present application can pour out the liquid in the bottle body without opening the bottle cap, reduces the action of frequently opening and closing the bottle cap, can avoid the direct exposure of the liquid outlet to the air, and reduces the plugging phenomenon of the liquid outlet.

Description

Technical Field

[0001] This invention relates to the technical field of packaging devices, specifically a packaging bottle. Background Technology

[0002] To prevent fluid materials from contacting air and deteriorating, they are typically stored in bottles, isolating them from air and keeping the fluid within the bottle in a sealed state. The sleeve / shoulder assembly refers to the area where the bottle body and cap meet. It usually consists of the bottle body with an expanded conical or spherical structure that matches the cap's opening, used to secure the bottle body and prevent it from tearing or falling off. However, this design can make the cap bulge upwards, which is less aesthetically pleasing.

[0003] The size and shape of the tube shoulder kit can be designed and customized according to the diameter and thickness of the bottle body and the shape and size of the cap. The tube shoulder kit has good deformation capacity and pressure resistance, forming a seal and fixing effect between the bottle body and the cap. However, in actual use, when long-term storage or holding special items is required, the connection between the tube shoulder kit and the tube head may not be very effective due to poor sealing or corrosion. Medicines or chemicals can easily seep out through the plastic part of the connection, or air and moisture can slowly seep in. This can significantly shorten the shelf life of the fluid. The design and manufacturing requirements of tube shoulder kits are high. The production process often needs to consider the matching degree of bottle body and cap materials, shape and size, the strength of the bottle body interface, and the fit and sealing of the bottle body and cap, increasing production time and cost.

[0004] When you need to pour out the fluid, you need to open the cap that is used to close the bottle neck, tilt and squeeze the bottle to move the fluid inside the bottle from the shoulder assembly to the bottle neck, and then pour out the fluid. After use, close the cap back onto the bottle neck to prevent air from entering the bottle through the shoulder assembly.

[0005] However, this method of discharging fluid requires opening and closing the bottle cap. After the bottle cap is removed from the nozzle, the nozzle is inevitably exposed to the air. When the fluid remaining on the nozzle comes into contact with the air for a long time and solidifies, it can easily cause the nozzle to become blocked. Therefore, the nozzle needs to be cleaned frequently to maintain a smooth and continuous flow of liquid. At the same time, repeatedly opening and closing the bottle cap can easily cause the shoulder assembly to deform and crack.

[0006] To address the shortcomings of existing technologies, there is a need for a packaging bottle that facilitates liquid pouring, reduces air contact with the outlet, minimizes the use of tube shoulder kits, and is aesthetically pleasing. Summary of the Invention

[0007] Regarding the aforementioned technical problems—namely, requiring the bottle cap to be detached from the bottle before pouring out the fluid, resulting in the bottle nozzle being exposed to air and residual fluid easily solidifying and clogging the nozzle, and the shoulder fitting causing the bottle to be less aesthetically pleasing—the technical solution adopted by this invention is as follows:

[0008] A packaging bottle includes a bottle body and a bottle cap. The bottle body has a liquid storage cavity and a liquid outlet communicating with the liquid storage cavity. The bottle cap has a bottle cap inner cavity and a bottle cap opening. The bottle cap inner cavity has a valve body. The valve body has a discharge cavity communicating with the liquid outlet and a resilient discharge part communicating with the bottle cap opening. The discharge part has a cut for self-sealing facing the bottle cap opening. The bottle body includes a shell and a connecting plane integrally formed with the shell. The connecting plane is located on the side close to the bottle cap. The material used for the connecting plane is harder than the material used for the shell. When the bottle cap is closed on the bottle body, the lower end face of the bottle cap is tightly fitted with the connecting plane.

[0009] According to some embodiments of the present invention, in order to maintain stability when the bottle cap is closed on the bottle body, the bottle body is provided with a bottleneck assembly, the bottleneck assembly is provided with a positioning member, and the inner cavity of the bottle cap is provided with a limiting member that cooperates with the positioning member.

[0010] According to some embodiments of the present invention, in order to improve the sealing performance of the bottle body, the bottleneck assembly includes a bottleneck protruding to one side and a sealing member sleeved on the outside of the bottleneck, wherein the liquid outlet and the positioning member are disposed on the sealing member.

[0011] According to some embodiments of the present invention, in order to facilitate the pouring of liquid, the bottleneck is located on the upper side of the bottle body, and the upper side of the seal is provided with a spout that extends upward and into the discharge chamber.

[0012] According to some embodiments of the present invention, in order to improve the sealing performance of the liquid outlet, the bottle cap is fitted outside the sealing member and can rotate relative to the bottle body, the liquid outlet is located on the side of the bottle mouth, and the inner wall of the dispensing chamber is provided with a pouring groove extending toward the cut direction.

[0013] According to some embodiments of the present invention, in order to improve the stability of the connection between the bottle cap and the seal, the limiting member includes a limiting groove disposed in the inner cavity of the bottle cap, and the positioning member includes a protrusion disposed on the seal and capable of limiting the deviation of the bottle cap.

[0014] According to some embodiments of the present invention, in order to improve the stability of the bottle cap rotation, the positioning member includes an opening abutment end and a closing abutment end disposed on the outside of the sealing member, and the limiting member further includes a first abutment portion disposed on the inner cavity of the bottle cap abutting against the opening abutment end and a second abutment portion abutting against the closing abutment end.

[0015] According to some embodiments of the present invention, in order to reduce liquid spillage, the seal is provided with an overflow prevention tube, which is connected between the liquid outlet and the liquid storage chamber and is used to restrict the fluid in the bottleneck from moving directly to the liquid outlet.

[0016] According to some embodiments of the present invention, in order to improve the liquid dispensing effect, the outer diameter of the bottle cap opening is smaller than the outer diameter of the bottle cap cavity, the dispensing part protrudes in a straight line from the valve body toward the bottle cap opening, and the upper end face of the cut is nearly flush with the upper end face of the bottle cap opening.

[0017] According to some embodiments of the present invention, in order to improve the self-sealing effect of the cut, the cut is cross-shaped.

[0018] The beneficial effects of this invention are as follows:

[0019] 1. This invention allows liquid to be poured out of the bottle without opening the cap, reducing the need for frequent opening and closing of the cap. It also prevents the outlet from being directly exposed to air, reducing the risk of blockage and improving the user experience. When the bottle is squeezed, causing deformation of the inner wall, the liquid inside flows from the storage chamber through the outlet into the discharge chamber under pressure. The elastic discharge section forces the cut to open outwards under pressure, allowing the liquid to flow smoothly out of the cap opening. When the bottle is released, the fluid inside the cut flows back into the discharge chamber under pressure, and the cut closes inwards, restoring its original shape and preventing air from contacting the outlet, thus keeping the liquid inside the bottle in a sealed state.

[0020] 2. This invention can reduce the production process of packaging bottles, save parts, optimize product appearance, and improve the overall product look. Compared with the prior art, this invention solves the problem of poor barrier performance of the tube shoulder kit by using an integrally formed connecting plane without setting the tube shoulder kit. By setting the connecting plane with a material harder than the shell, the bottle cap can be closed on the bottle body. The connecting plane provides support for the bottle cap, and the connecting plane and the lower end face of the bottle cap fit tightly to form a seamless combination, which greatly optimizes the appearance. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the closed state of a packaging bottle according to the present invention.

[0022] Figure 2This is a schematic diagram of the opened state of a packaging bottle according to the present invention.

[0023] Figure 3 This is a schematic diagram of the closed state of a packaging bottle according to the present invention.

[0024] Figure 4 This is a schematic diagram of the opened state of a packaging bottle according to the present invention.

[0025] Figure 5 for Figure 1 A schematic diagram of the AA cross-section and its enlarged partial view.

[0026] Figure 6 for Figure 2 A schematic diagram of the BB cross-section and its enlarged portion.

[0027] Figure 7 This is an exploded view and a partial enlarged view of a packaging bottle according to the present invention.

[0028] Figure 8 This is an exploded view of the bottle cap of the present invention.

[0029] Figure 9 This is a schematic diagram of the bottle body of the present invention.

[0030] Figure 10 for Figure 9 A schematic diagram of the CC cross-section.

[0031] Figure 11 This is a schematic cross-sectional view of the bottle cap of the present invention.

[0032] Figure 12 This is a schematic diagram of the bottom of the bottle cap of the present invention.

[0033] Figure 13 This is a schematic diagram of the bottom of the sealing element of the present invention.

[0034] Figure 14 This is a schematic diagram of the valve body of the present invention. Detailed Implementation

[0035] The embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

[0036] like Figures 1 to 14The illustrated packaging bottle includes a bottle body 100 and a bottle cap 200. The bottle body 100 has a liquid storage cavity 110 and a liquid outlet 120 communicating with the liquid storage cavity 110. The bottle cap 200 has a cap inner cavity 210 communicating with the liquid outlet 120 and a cap opening 230. The cap inner cavity 210 has a valve body 300, which has a discharge cavity 310 communicating with the liquid outlet 120 and a resilient discharge portion 32 communicating with the cap opening 230. The dispensing section 320 has a self-sealing slit 321 facing the bottle cap opening 230. The bottle body 100 includes a shell 102 and a connecting plane 101 integrally formed with the shell 102. The connecting plane 101 is located on the side near the bottle cap 200. The material used for the connecting plane 101 is harder than the material used for the shell 102. When the bottle cap 200 is closed on the bottle body 100, the lower end face of the bottle cap 200 is tightly fitted with the connecting plane 101. This invention allows liquid to be obtained from the bottle without opening the bottle cap, reducing the need for frequent opening and closing of the bottle cap. It also prevents the dispensing outlet from being directly exposed to the air, reducing outlet blockage and further improving the user experience. When the bottle body is squeezed, causing the inner wall of the bottle to deform, the liquid inside the bottle enters the discharge chamber from the storage chamber through the outlet under pressure. By setting an elastic discharge part, the liquid is forced to open the cut outward under pressure, and the liquid flows smoothly out to the outside of the bottle cap opening. When the bottle body is released, the fluid located inside the cut flows back into the discharge chamber under pressure, the cut closes inward to restore its original shape and prevents air from contacting the outlet, so that the liquid inside the bottle body is always in a sealed state.

[0037] This invention reduces the manufacturing process of packaging bottles, saves parts, optimizes product appearance, and improves the overall product look. Compared with the prior art, this invention solves the problem of poor barrier properties of the tube shoulder kit by using an integrally molded connecting plane without setting the tube shoulder kit. By setting the connecting plane with a material harder than the shell, the bottle cap can be closed on the bottle body. The connecting plane provides support for the bottle cap, and the connecting plane fits tightly with the lower end face of the bottle cap to form a seamless connection, which greatly optimizes the appearance.

[0038] Optionally, in some embodiments, the bottle body is also provided with steel balls 103. The steel balls mainly serve to mix and stir, ensuring that the materials in the fluid are evenly mixed together, thus guaranteeing consistent results during use. Simultaneously, the steel balls prevent materials in the fluid from settling at the bottom, thereby maintaining a fully mixed state of the fluid.

[0039] Specifically, the packaging bottle includes a bottle body 100 and a bottle cap 200. The bottle body 100 is made of polyethylene and includes a shell 102 and a neck assembly 400 located on the upper side of the shell 102. The outer periphery of the neck assembly 400 is circular. The inner side of the bottle cap 200 is provided with a first extension 240 that matches the shape of the neck assembly 400. The first extension 240 is cylindrical and surrounds to form a bottle cap cavity 210 that accommodates the neck assembly 400. The bottle body 100 is provided with a storage cavity 110. The neck assembly 400 is provided with a liquid outlet 120 that communicates with the storage cavity 110. The bottle cap 200 is provided with a bottle cap opening 230. The shell 102 is provided with an integrally formed connecting plane 101 on the side near the bottle cap 200. The shell 102 and the connecting plane 101 are made by a dual-material injection molding method. Linear low-density polyethylene and low-density polyethylene with lower hardness are injected into the inner side of the mold, and then high-density polyethylene with higher hardness is injected into the outer side of the mold. During injection molding, linear low-density polyethylene and low-density polyethylene fill one side of the bottle body, while high-density polyethylene fills the other side. After injection molding, the rigid-flexible bottle body maintains a stable shape and possesses the required compressive strength and flexibility. The material used for the connecting plane 101 is harder than the material used for the shell 102, ensuring that the lower end face of the cap 200 fits tightly against the connecting plane 101 when the cap 200 is placed on the bottle body 100.

[0040] The radial direction of the connecting plane 101 is perpendicular to the axial direction of the bottle body 100, and the radial direction of the lower end of the bottle cap 200 is perpendicular to the axial direction of the bottle cap 200. The bottle cap 200 and the bottle body 100 are arranged in an arc shape. The connecting plane 101 is located on the upper side of the bottle body 100 and is parallel to the horizontal plane. The bottle cap 200 has an arc-shaped structure, and the lower end face of the bottle cap 200 is parallel to the horizontal plane. The lower end face of the bottle cap 200 has the same shape as the connecting plane 101 and the same coverage area when they are fitted together.

[0041] When the bottle cap 200 is installed on the bottle body 100 from top to bottom, the first extension 240 is fitted around the outer periphery of the neck assembly 400. The connecting plane 101 is parallel to the lower end face of the bottle cap 200. The lower end face of the bottle cap 200 moves downward relative to the connecting plane 101, so that the gap between the connecting plane 101 and the lower end face of the bottle cap 200 gradually decreases. The coverage area of ​​the lower end face of the bottle cap 200 coincides with the coverage area of ​​the connecting plane 101, so that the bottle cap 200 fits the shape of the bottle body 100 more closely. When the bottle cap 200 is closed on the bottle body 100, the bottle cap 200 and the bottle body 100 form a seamless connection. The edge of the cap 200 forms a smooth line with the edge of the bottle body 100. The packaging bottle is pebble-shaped. The edge of the cap 200 forms a smooth line with the edge of the bottle body 100 to improve the overall appearance of the packaging bottle. The pebble-shaped cap makes it convenient for users to wipe their skin with the cap after pouring out the liquid. The cap opening is located on the upper surface of the cap. The curved surface makes the liquid more smooth when applied to the skin. The cap can slide on the skin and dispense liquid at the same time. It is also convenient for users to clean and wipe away any liquid residue on the cap.

[0042] Furthermore, the smooth lines of the packaging bottle make it easy for users to open and close the cap with one hand, making it suitable for daily use.

[0043] The bottle cap 200 is rotatable relative to the connecting plane 101. When the bottle cap is rotated, the bottle cap 200 rotates a certain angle relative to the bottle body 100. When the liquid outlet 120 is connected to the bottle cap opening 230, the user can invert the bottle body 100 to allow liquid to flow from the liquid storage chamber to the liquid outlet 120, and then the liquid moves from inside the liquid outlet 120 to outside the bottle cap opening 230. After the user finishes using the product, the user inverts the bottle body 100 and rotates the bottle cap 200. The bottle cap 200 rotates a certain angle in the opposite direction relative to the bottle body 100 so that the lower end face of the bottle cap 200 coincides with the connecting plane 101, and the bottle cap 200 is in the closed state.

[0044] Furthermore, as a preferred embodiment of the invention and not a limitation thereof, the dispensing part can be made of silicone material, which has the advantages of being odorless, having stable performance, good oxidation resistance, and low cost. Optionally, in some embodiments, the valve body and the dispensing part are manufactured by an integral molding method; specifically, both the valve body and the dispensing part are made of silicone material. Specifically, the cut allows the dispensing part to form at least two membranes. When the bottle is tilted, the fluid material flows from the receiving cavity to the dispensing cavity under the action of gravity. The gravity of the fluid material is insufficient to push the cut from the inside of the dispensing cavity to the outside of the dispensing cavity, so the fluid material remains in the dispensing cavity and does not leak out.

[0045] Optionally, in some embodiments, the outer diameter of the discharge section is the same as the outer diameter of the valve body, forming a single unit for ease of manufacturing. Optionally, in other embodiments, the outer diameter of the discharge section is not equal to the outer diameter of the valve body, so that the end face of the discharge section with the opening can better match the bottle cap opening.

[0046] Optionally, in some embodiments, the discharge part can be a column connected to the valve body. Optionally, in other embodiments, the discharge part can be an end face located on the side of the valve body facing the bottle cap opening. This end face can be a plane or an arc surface arched to one side.

[0047] Optionally, in some embodiments, the valve can be connected to the bottle cap by injection molding, thermoforming, or other methods, or it can be connected to the bottle cap by means of snap-fit, thread, magnetic attraction, or other methods.

[0048] Specifically, the bottle cap is located on the upper side of the bottle body, with the cap opening and the discharge section cut facing upwards. When the bottle cap is tilted and inverted, the cap opening and the discharge section cut face downwards or diagonally downwards. As the fluid material moves downwards under the influence of gravity, the pressure on the bottle body increases, and the combined effect of the increased internal pressure and the weight of the fluid material accelerates its movement. The fluid material flows from the receiving cavity to the discharge cavity, pushing the cut to open from the inside to the outside of the discharge cavity, allowing the fluid material to pour downwards. When the bottle body is released, the inner wall of the bottle body returns to its original state, the internal pressure decreases, and the air pressure outside the cap opening is greater than the internal pressure, causing a backflow. The cut closes inwards, restoring its original shape and preventing air from entering the cap. The fluid inside the cut flows back into the discharge cavity under pressure, and the pressure inside and outside the bottle body reaches equilibrium. The weight of the fluid material is insufficient to push the cut to open from the inside to the outside of the discharge cavity, thus keeping the fluid material within the discharge cavity and preventing leakage.

[0049] like Figure 8 and Figure 14The illustrated packaging bottle includes a cap inner cavity 210 with a cap inner cavity limiting member 211. The cap inner cavity limiting member 211 has a limiting cavity 2111 for accommodating the valve body 300 and a cap inner cavity positioning part. The valve body 300 has a valve body connecting part that is fixedly engaged with the cap inner cavity positioning part. The cap inner cavity positioning part is a cap inner cavity limiting groove 2112 provided on the cap inner cavity limiting member 211. The valve body connecting part is a valve body engaging protrusion 330 provided on the periphery of the valve body 300. The valve body engaging protrusion 330 includes a first engaging protrusion 331, and the cap inner cavity limiting groove 2112 includes a first limiting groove 21121 provided on the outer periphery of the cap inner cavity limiting member 211. The engagement of the valve body engaging protrusion with the cap inner cavity limiting groove further prevents the valve body from loosening or moving. The valve body is vertically oriented from top to bottom. Since the bottle cap does not need to be opened, the valve body's vertical movement is restricted when the cap is on the bottle mouth. Therefore, the first engaging protrusion and the first limiting groove are both vertically oriented. The engagement of the first engaging protrusion and the first limiting groove restricts the valve body's lateral movement.

[0050] Figure 8 and Figure 14 The illustrated packaging bottle includes a second locking protrusion 332 in the locking protrusion 330, and a second limiting groove 2112 in the inner cavity of the bottle cap, both of which are disposed within the limiting cavity 2111. Both the second locking protrusion and the second limiting groove are vertically aligned. The engagement of the second locking protrusion and the second limiting groove restricts lateral movement of the valve body. Furthermore, the engagement of the first and second locking protrusions with the first and second limiting grooves further enhances the limiting effect of the valve body.

[0051] Optionally, in some embodiments, the length of the first snap-fit ​​protrusion extending circumferentially is greater than the length of the second snap-fit ​​protrusion extending circumferentially. The first limiting groove is a groove that penetrates the inner cavity of the bottle cap limiting member. The second limiting groove is located on the inner wall of the limiting cavity. The thickness of the first limiting groove is greater than the thickness of the second limiting groove. By creating a distinction between the first and second snap-fit ​​protrusions, and simultaneously creating a distinction between the first and second limiting grooves, a foolproof structure is formed when the valve body is installed on the bottle cap, ensuring the correct installation position of the valve body. Optionally, in some embodiments, the included angle between the first and second snap-fit ​​protrusions is set at 90 degrees, and the included angle between the first and second limiting grooves is set at 90 degrees.

[0052] like Figures 1 to 14 The packaging bottle shown has a bottle body 100 with a neck assembly 400, the neck assembly 400 with a positioning element, and the inner cavity 210 of the bottle cap with a limiting element that cooperates with the positioning element.

[0053] By cooperating with the positioning component of the bottle neck assembly and the limiting component of the bottle cap cavity, the stability of the bottle cap can be improved, ensuring that the bottle cap is not easy to come loose when it is closed on the bottle body.

[0054] like Figure 5 and Figure 7 The packaging bottle shown includes a neck assembly 400 comprising a neck 410 protruding to one side and a sealing member 420 sleeved on the outside of the neck 410, wherein the liquid outlet 120 and the positioning member are disposed on the sealing member 420.

[0055] The bottleneck 410 has a threaded portion 411 on its outer side, and the seal 420 has a seal connection portion 4201 on its inner side that mates with the threaded portion 411. The engagement of the threaded portion and the seal connection portion allows the bottleneck and the seal to be tightly connected, and the seal fitted on the outer side of the bottleneck can restrict fluid from overflowing from the periphery of the bottleneck.

[0056] The sealing element 420 has a first extension 4202 protruding towards the bottleneck 410, and the outer periphery of the first extension 4202 abuts against the inner wall of the bottleneck 410. To further improve the tightness of the connection between the inner wall of the bottleneck and the sealing element, the outer side of the first extension abuts against the inner wall of the bottleneck, so that when the fluid in the bottleneck is tilted or inverted, the fluid can be kept inside the bottleneck and will not escape outward from the gap between the inner side of the sealing element and the inner wall of the bottleneck. The outer periphery of the bottleneck 410 is also provided with a locking element 412, and the outer periphery of the sealing element 420 is provided with a mating element 4203 that connects to the locking element 412. Optionally, the sealing element is connected to the bottleneck by a thread, the locking element is located at the bottom of the outer periphery of the bottleneck, and the mating element is located at the bottom of the outer periphery of the sealing element. When the sealing element is tightened, the sealing element moves downward relative to the bottleneck, and the locking element can connect with the mating element to lock the bottleneck and the sealing element.

[0057] Optionally, in some embodiments, the locking member 412 includes a locking groove 4121, and the mating member 4203 includes a mating member first protrusion 42031 extending into the locking groove 4121. Optionally, in some embodiments, the seal moves downward relative to the bottleneck, and when the seal rotates to a certain angle, the mating member first protrusion engages in the locking groove to form a positioning function. Optionally, the outer wall side of the mating member first protrusion and the inner wall side of the locking groove are inclined or arc surfaces that can slide together, allowing the seal to be locked or released by rotation.

[0058] like Figure 10The illustrated packaging bottle includes a locking member 412 comprising an abutment block 4122, and a mating member 4203 comprising a mating member second protrusion 42032 abutting against the abutment block 4122. Optionally, in some embodiments, the seal moves downward relative to the bottle neck, and when the seal rotates to a certain angle, the mating member second protrusion abuts against the abutment block to limit the seal from continuing to rotate relative to the bottle neck. Optionally, in some embodiments, there are two first protrusions and two second protrusions of the mating component, which are symmetrically arranged and positioned at a 90-degree angle on the outer periphery of the seal. There are two locking grooves and two abutment blocks, which are symmetrically arranged and positioned at a 90-degree angle on the outer periphery of the bottleneck. The seal moves downward relative to the bottleneck. When the seal rotates to a certain angle, the second protrusion of the mating component abuts against the abutment block, and the first protrusion of the mating component engages in the locking groove. The locking component connects the mating component to the locking component, thereby locking the bottleneck and the seal.

[0059] like Figure 7 The illustrated packaging bottle has a neck 410 located on the upper side of the bottle body 100, and a nozzle 421 extending upward and into the discharge chamber 310 on the upper side of the sealing member 420. The neck protrudes upward from the bottle body, and the outer side of the sealing member is cylindrical to allow the cap to rotate better relative to the bottle body. Located on the upper side of the sealing member, when the bottle body is inverted, liquid moves downward from the discharge port.

[0060] like Figure 8 The illustrated packaging bottle has a cap 200 fitted over the outer side of the sealing element 420 and rotatable relative to the bottle body 100. The liquid outlet 120 is located on the side of the bottle mouth 421. The inner wall of the dispensing chamber 310 has a pouring groove 311 extending towards the cut 321. Optionally, in some embodiments, the valve is made of an elastic material. When the cap is rotated to align the pouring groove with the liquid outlet, the liquid flowing from the outlet flows along the pouring groove to the outside of the cut by squeezing the inner wall of the bottle body. When the bottle body is released, the liquid inside the cut is drawn back and flows back from the pouring groove along the inner wall of the dispensing chamber to the outlet. By rotating the cap to misalign the pouring groove with the outlet, the elastic inner wall of the valve seals the outlet, preventing liquid from overflowing.

[0061] After the user inverts the bottle and rotates the cap to a certain angle, without needing to observe, the system can determine that the liquid outlet is connected to the cap opening and pour out the liquid simply by sensing that the cap can no longer be rotated through the cooperation of the positioning and limiting components. The invention has a stable structure, reduces the number of steps required to pour out the liquid, and improves the user experience.

[0062] like Figures 11 to 12The illustrated packaging bottle includes a limiting groove 212 disposed within the inner cavity 210 of the bottle cap, and a positioning member including a protrusion 422 disposed on the sealing member 420 and capable of limiting the deviation of the bottle cap 200. Through the cooperation of the protrusion and the limiting groove, when the bottle cap is opened, the protrusion contacts the limiting groove, preventing further rotation of the bottle cap, allowing the user to perceive that the liquid outlet is connected to the bottle cap opening. When the bottle cap is closed, the protrusion contacts the limiting groove, preventing further rotation of the bottle cap, allowing the user to perceive that the liquid outlet is closed to the bottle cap opening. Optionally, to allow the protrusion to move better within the limiting groove when the bottle cap rotates, the limiting groove can be designed as an arc shape.

[0063] The bottle cap has a first extension 240 extending towards the bottle body. The inner cavity 210 of the bottle cap is surrounded by the first extension 240, and the inner diameter of the first extension 240 is larger than the outer diameter of the sealing member 420. Further, the first extension is cylindrical, the sealing member is cylindrical, and the first extension extends to the outer side of the sealing member. When the bottle cap is installed on the sealing member, the inner cavity of the bottle cap is aligned with the sealing member, and the first extension moves towards the sealing member so that the inner cavity of the bottle cap can completely accommodate the sealing member.

[0064] like Figures 11 to 12 As shown, the limiting groove 212 includes a first limiting groove 2121 disposed on the first extension 240, and the protrusion 422 includes a first protrusion 4221 disposed on the outer side of the seal 420. Optionally, in some embodiments, the first limiting groove is disposed along the inner wall of the first extension, and the first protrusion extends away from the seal. Optionally, in some embodiments, the first limiting groove has a first limiting groove opening 21211 for the first protrusion to extend upward from below. When the bottle cap is installed on the bottle body, the upper side of the first limiting groove abuts against the first protrusion to restrict the bottle cap from continuing to move downward, at which time the bottle cap can be closed on the seal.

[0065] Optionally, in some embodiments, the inner cavity 210 of the bottle cap is provided with a second extension 250 extending toward the sealing member 420, the limiting groove 212 includes a second limiting groove 2122 disposed on the second extension 250, and the protrusion 422 includes a second protrusion 4222 disposed on the upper side of the sealing member 420. Optionally, in some embodiments, the second limiting groove is disposed along the inner wall of the second extension, the second protrusion extends away from the sealing member, the second limiting groove is located on the lower side of the second extension, and the second limiting groove is provided with a second limiting groove opening 21221 for the second protrusion to extend upward from below. When the bottle cap is installed on the bottle body, the upper side of the second limiting groove abuts against the second protrusion to restrict the bottle cap from continuing to move downward, at which time the bottle cap can be closed on the sealing member. The second extension 250 extends to the upper side of the seal 420. Since the second extension is located in the inner cavity of the bottle cap and on the upper side of the seal, the second extension will not interfere with the first protrusion when the bottle cap is rotated.

[0066] Optionally, in some embodiments, the length of the end of the second protrusion facing the second limiting groove to the central axis of the seal is greater than the length of the inner side of the second extension to the central axis of the seal.

[0067] like Figure 12 As shown, the limiting groove 212 has an opening limiting end 2124 on one side and a closing limiting end 2125 on the other side. Optionally, in some embodiments, the angle between the line connecting the opening limiting end to the central axis of the bottle body and the line connecting the closing limiting end to the central axis of the bottle body is the rotatable angle of the bottle cap.

[0068] Optionally, in some embodiments, when the first limiting groove has an opening limiting end on one side and a closing limiting end on the other side, when the bottle cap is opened, after the bottle cap rotates relative to the bottle body, the first protrusion on the bottle cap abuts against the opening limiting end of the first limiting groove to restrict the bottle cap from continuing to rotate, and the user perceives that the liquid outlet is connected to the bottle cap opening. When the user closes the bottle cap, the first protrusion abuts against the closing limiting end of the first limiting groove to restrict the bottle cap from continuing to rotate, and the user perceives that the bottle cap is closed.

[0069] Optionally, in some embodiments, when the second limiting groove has an opening limiting end on one side and a closing limiting end on the other side, when the bottle cap is opened, after the bottle cap rotates relative to the bottle body, the second protrusion on the bottle cap abuts against the opening limiting end of the second limiting groove to restrict the bottle cap from continuing to rotate, and the user perceives that the liquid outlet is connected to the bottle cap opening. When the user closes the bottle cap, the second protrusion abuts against the closing limiting end of the second limiting groove to restrict the bottle cap from continuing to rotate, and the user perceives that the bottle cap is closed.

[0070] Optionally, in some embodiments, the first limiting groove has an opening limiting end on one side and a closing limiting end on the other side, and the second limiting groove has an opening limiting end on one side and a closing limiting end on the other side. The extension length of the first limiting groove along the first extension is equal to the extension length of the second limiting groove along the second extension. When the bottle cap is opened, after the bottle cap rotates relative to the bottle body, the first protrusion on the bottle cap abuts against the opening limiting end of the first limiting groove to restrict the bottle cap from continuing to rotate, and the second protrusion on the bottle cap abuts against the opening limiting end of the second limiting groove to restrict the bottle cap from continuing to rotate. The user perceives that the liquid outlet is connected to the bottle cap opening. When the user closes the bottle cap, the first protrusion abuts against the closing limiting end of the first limiting groove to restrict the bottle cap from continuing to rotate, and the second protrusion abuts against the closing limiting end of the second limiting groove to restrict the bottle cap from continuing to rotate. The user perceives that the bottle cap is closed.

[0071] like Figures 11 to 12 As shown, the limiting groove 212 includes a third limiting groove 2123 disposed in the first extension 240, and the protrusion 422 includes a third protrusion 4223 disposed on the outside of the seal 420. The third protrusion 4223 is used to cooperate with the third limiting groove 2123 to restrict the upward movement of the bottle cap 200. Optionally, in some embodiments, the third limiting groove is disposed along the periphery of the first extension, the third protrusion is located on the outside of the sealing assembly, and the third limiting groove engages with the lower side of the third protrusion to restrict the upward movement of the bottle cap.

[0072] Optionally, in some embodiments, when the first protrusion does not extend from bottom to top along the opening of the first limiting groove, the first protrusion will abut against the lower side of the first extension, the third limiting groove cannot engage with the lower side of the third protrusion, and the bottle cap cannot be completely covered on the bottle body.

[0073] Optionally, in some embodiments, when the second protrusion does not extend upward along the opening of the second limiting groove, the second protrusion will abut against the lower side of the second extension, the third limiting groove cannot engage with the lower side of the third protrusion, and the bottle cap cannot be completely covered on the bottle body.

[0074] Optionally, in some embodiments, when the first protrusion does not extend upward along the opening of the first limiting groove, the first protrusion will abut against the lower side of the first extension; when the second protrusion does not extend upward along the opening of the second limiting groove, the second protrusion will abut against the lower side of the second extension; the third limiting groove cannot engage with the lower side of the third protrusion, and the bottle cap cannot be completely covered on the bottle body.

[0075] like Figure 11 and Figure 12As shown, the upper end face of the third protrusion 4223 is provided with a third protrusion inclined surface 42231, and the lower end face of the third limiting groove 2123 is provided with a third limiting groove inclined surface 21231 that cooperates with the third protrusion inclined surface 42231. Optionally, in some embodiments, the third protrusion inclined surface slopes from the inside out and from top to bottom, and the third limiting groove inclined surface slopes from the outside in and from top to bottom. The outer diameter of the third protrusion is close to the inner diameter of the first extension. When the bottle cap is assembled downwards into the sealing assembly, the first extension slides downwards along the third protrusion inclined surface until the third limiting groove engages with the lower side of the third protrusion. When the bottle cap is disengaged from the sealing assembly, the third limiting groove inclined surface contacts the bottom of the third protrusion and slides relative to the third protrusion, causing the bottle cap to continue to move upwards.

[0076] Optionally, in some embodiments, when the third limiting groove engages with the lower side of the third protrusion, the bottle cap will collide with the bottle body and emit a sound to indicate to the user that the installation position is correct.

[0077] like Figure 7 As shown, the positioning member further includes an opening abutment end 428 and a closing abutment end 429 disposed on the outside of the sealing member 420. The limiting member further includes a first abutment portion 260 disposed on the first extension 240 that abuts against the opening abutment end 428, and a second abutment portion 270 that abuts against the closing abutment end 429. Optionally, in some embodiments, the sealing member 420 is provided with a protruding edge 426 extending to its periphery. The first abutment portion and the second abutment portion are located at the bottom of the first extension. When the bottle cap is in the closed state, the line connecting the opening abutment end and the central axis of the sealing member forms an angle with the line connecting the first abutment portion and the central axis of the sealing member, which is the angle of rotation when the bottle cap is opened. When the bottle cap is in the open state, the line connecting the closing abutment end and the central axis of the sealing member forms an angle with the line connecting the second abutment portion and the central axis of the sealing member, which is the angle of rotation when the bottle cap is closed.

[0078] like Figure 7As shown, a travel distance 4200 is formed between the opening abutment end 428 and the closing abutment end 429 for the bottle cap 200 to switch between an open state and a closed state. The travel distance 4200 is provided with travel distance limiting ends for restricting the bottle cap 200 from moving in the opposite direction when it is in the open state or the closed state. The travel distance limiting ends include a first travel distance limiting end 4281 near the opening abutment end 428 and a second travel distance limiting end 4291 near the closing abutment end 429. Optionally, in some embodiments, the first limiting end 4281 of the travel stroke is provided with a first limiting end clearance slope 42811 on the side near the opening abutment end 428, and the second limiting end 4291 of the travel stroke is provided with a second limiting end clearance slope 42911 on the side near the closing abutment end 429. When the bottle cap is in the open state, the first limiting end of the travel stroke restricts the first abutment part from moving in the closing direction. Further, the first abutment part 260 is provided with a first abutment part slope 2601 on the side near the first limiting end clearance slope. When the bottle cap is pushed to rotate, the first abutment part slope slides along the first limiting end clearance slope so that the first abutment part disengages from the first limiting end and changes to the closed state along the travel stroke.

[0079] Optionally, in some embodiments, when the bottle cap is in the open / closed position, the second limit end of the travel restricts the second abutment portion from moving in the opening direction. Further, the second abutment portion 270 is provided with a second abutment portion slope 2701 on the side near the second limit end clearance slope. When the bottle cap is pushed to rotate, the second abutment portion slope slides along the second limit end clearance slope so that the second abutment portion disengages from the second limit end and changes to the open state along the travel.

[0080] The protruding edge 426 is provided with a first abutting end 4261 and a second abutting end 4262, which are located between the moving strokes 4200 on the bottle cap. The inner cavity of the bottle cap is provided with an elastic spring 280 that can make a sound. The spring 280 is provided with a spring extension 2801 protruding towards the sealing member 420. When the bottle cap is rotated from the closed state to the open state, after the bottle cap is rotated by a certain angle, the spring extension 2801 can contact the first abutting end 4261 of the protruding edge and drive the spring to vibrate and make a sound, reminding the user to switch the bottle cap to the open state. When the bottle cap is rotated from the open state to the closed state, after the bottle cap is rotated by a certain angle, the spring extension 2801 can contact the second abutting end 4262 of the protruding edge and drive the spring to vibrate and make a sound, reminding the user to switch the bottle cap to the closed state.

[0081] like Figure 7The illustrated packaging bottle includes an overflow preventer 425 within the sealing element 420. The overflow preventer 425 connects the outlet 120 and the storage chamber 110 and restricts the direct movement of fluid within the bottle neck 410 to the outlet 120. This invention improves the bottle's sealing performance by utilizing the sealing element to prevent fluid from overflowing from the bottle neck. By restricting the direct movement of fluid within the bottle neck to the outlet through the overflow preventer, it avoids fluid leakage from the spout when the bottle is tilted or inverted, thus preventing fluid waste and improving the user experience.

[0082] The sealing element 420 has a second extension 427 protruding towards the bottleneck 410. The second extension 427 has a mounting cavity 4271 for the anti-overflow tube 425 to extend into, and the mounting cavity 4271 communicates with the bottle mouth 421. Optionally, in some embodiments, the elastic anti-overflow tube can be engaged within the mounting cavity to prevent the anti-overflow tube from shifting laterally and becoming loose.

[0083] A limiting step 42711 is formed between the bottle nozzle 421 and the mounting cavity 4271 of the second extension of the sealing member, abutting against the overflow tube 425. The inner diameter of the bottle nozzle 421 is smaller than the outer diameter of the overflow tube 425. Optionally, in some embodiments, the limiting step is used to restrict the upward movement of the overflow tube, so that the overflow tube can connect to the bottom of the bottle nozzle, avoiding excessive gaps between the overflow tube and the bottom of the bottle nozzle. Optionally, in some embodiments, the inner diameter of the overflow tube is smaller than the inner diameter of the bottle nozzle. When the fluid in the overflow tube is poured out, the friction between the fluid flow and the inner wall of the overflow tube is increased, thus creating resistance and slowing down the fluid movement speed. Therefore, when pouring out the fluid, pressure needs to be applied to the bottle body. The deformation of the inner wall of the bottle body increases the pressure in the receiving cavity, driving the fluid to move faster in the overflow tube and increasing the speed of fluid pouring out.

[0084] The overflow prevention tube 425 is provided with a reflux groove 4251, which extends from the outer periphery of the overflow prevention tube 425 towards its center point. Optionally, in some embodiments, when fluid flows back from the outlet to the receiving cavity, the fluid moves from the outlet along the inner wall of the bottle mouth to the bottom of the bottle mouth, and then moves along the outer periphery of the overflow prevention tube from the reflux groove to the center point of the overflow prevention tube, and then moves from inside the overflow prevention tube into the storage cavity.

[0085] like Figure 7The packaging bottle shown has an overflow preventer 425 with a locking portion 4252 made of elastic material. Multiple locking portions 4252 are provided and symmetrically arranged. The outer diameter between two symmetrically arranged locking portions 4252 is larger than the inner diameter of the bottle mouth 421. Optionally, in some embodiments, the locking portion is spherical, and the arc surface of the locking portion mates with the arc surface of the inner wall of the bottle mouth. Because the outer diameter between two symmetrically arranged locking portions is larger than the inner diameter of the bottle mouth, when the overflow preventer abuts against the bottom of the bottle mouth, the elastic locking portion engages with the inner wall of the bottle mouth, further connecting the overflow preventer within the seal.

[0086] like Figures 1 to 14 The packaging bottle shown has an outer diameter of the bottle cap opening 230 that is smaller than the outer diameter of the bottle cap inner cavity 210. The discharge part 320 protrudes in a straight line from the valve body 300 toward the bottle cap opening 230. The upper end face of the cut 321 is nearly flush with the upper end face of the bottle cap opening 230.

[0087] Optionally, in some embodiments, when the upper surface of the cut is inside the bottle cap opening, the fluid material needs to flow a certain distance to the outside of the bottle cap opening after flowing to the outside of the cut. This can easily lead to fluid material residue between the bottle cap opening and the cut, requiring cleaning after each dispensing. When the upper surface of the cut protrudes to the outside of the bottle cap opening, the fluid material travels a greater distance, resulting in an inconsistent product appearance. When foreign objects are stuck on the outer wall of the dispensing part and the inner wall of the bottle cap opening, the deformation capacity of the dispensing part decreases, preventing the cut from opening completely and affecting the smooth flow of the fluid material. Optionally, the outer diameter of the elastic dispensing part facing the bottle cap opening is close to the outer diameter of the bottle cap opening, so that the outer wall of the end face can fit against the inner wall of the bottle cap opening.

[0088] Optionally, in some embodiments, in order to reduce the travel distance of the fluid material, the discharge part protrudes in a straight line from the valve body toward the bottle cap opening. The outer diameter of the bottle cap opening is smaller than the outer diameter of the receiving cavity. The operator can squeeze an appropriate amount of fluid material by squeezing the bottle body as needed, so as to avoid excessive fluid material flowing out and adhering to and covering the bottle cap opening when the bottle cap opening is too large, thus avoiding waste.

[0089] like Figure 14 The packaging bottle shown has a cross-shaped cut 321. Optionally, in this embodiment, the cut is located at the exact center of the discharge section. Optionally, in other embodiments, the longitudinal or transverse length of the cut can be set according to the viscosity of the stored fluid material, or the cut can be set into other shapes such as "X" or "Y".

[0090] like Figures 1 to 14 As shown, the implementation method of this embodiment is as follows:

[0091] When the bottle cap 200 is opened, after the bottle cap 200 rotates relative to the bottle body 100, the first protrusion 4221 on the bottle cap 200 abuts against the opening limiting end 2124 of the first limiting groove 2121 to restrict the bottle cap 200 from continuing to rotate. The second protrusion 4222 on the bottle cap 200 abuts against the opening limiting end 2124 of the second limiting groove 2122 to restrict the bottle cap 200 from continuing to rotate. The user perceives that the liquid outlet 120 is connected to the bottle cap opening 230. When the bottle cap 200 is rotated from the closed state to the open state, after the bottle cap 200 is rotated by a certain angle, the spring extension 2801 can contact the first abutment end 4261 of the protrusion and drive the spring 280 to vibrate and make a sound, reminding the user that the bottle cap 200 has switched to the open state.

[0092] The liquid outlet 120 is located on the side of the seal 420. When the bottle cap 200 is rotated at a certain angle, the liquid outlet 120 is connected to the bottle cap opening 230. The liquid moves from the liquid outlet 120 to the inner cavity 210 of the bottle cap, and then from the inner cavity 210 of the bottle cap to the bottle cap opening 230. The user can pour out the liquid by inverting the bottle body 100.

[0093] When liquid needs to be poured out, the bottle body 100 can be tilted or inverted, and then the bottle body 100 can be squeezed. The inner wall of the bottle body 100 is deformed, increasing the pressure in the liquid storage chamber 110. This drives the fluid to move faster in the anti-overflow tube 425, causing the fluid to move from the bottom of the anti-overflow tube 425 towards the bottom of the bottle spout 421, increasing the speed at which the fluid is poured out. The fluid then moves from the bottle spout 421 to the discharge chamber 310, and the fluid pushes the cut 321 to open from the inside of the discharge chamber 310 to the outside of the discharge chamber 310. When the bottle body 100 is loosened and the bottle body 100 is straightened, the inner wall of the bottle body 100 returns to its original state, the internal pressure of the bottle body 100 decreases, and the air pressure outside the bottle cap opening 230 is greater than the internal pressure of the bottle body 100, causing backflow. The cut 321 returns to its original state and prevents air from entering the bottle body 100. The fluid located inside the cut 321 flows back to the discharge chamber 310 under pressure. The pressure inside and outside the bottle body 100 reaches equilibrium. When the fluid flows back from the discharge chamber 310 to the storage chamber 110, the fluid will move from the outlet 120 along the inner wall of the bottle mouth 421 to the bottom of the bottle mouth 421. The fluid will then move along the outer periphery of the anti-overflow tube 425 from the return groove 4251 to the center point of the anti-overflow tube 425, and then move from the anti-overflow tube 425 to the storage chamber 110.

[0094] When the bottle cap 200 is in the open state, the first limit end 4281 of the movement stroke restricts the first abutment part 260 from moving in the closing direction. The first abutment part 260 is provided with a first abutment part slope 2601 on the side of the first abutment part 260 close to the first limit end clearance slope 42811. When the bottle cap 200 is pushed to rotate, the first abutment part slope 2601 slides along the first limit end clearance slope 42811 so that the first abutment part 260 disengages from the first limit end 4281 of the movement stroke and changes to the closed state along the movement stroke 4200.

[0095] When the user closes the bottle cap 200, the first protrusion 4221 abuts against the closing limiting end 2125 of the first limiting groove 2121, and the second protrusion 4222 abuts against the closing limiting end 2125 of the second limiting groove 2122 to restrict the bottle cap 200 from continuing to rotate. At this time, the user perceives that the bottle cap 200 is completely closed. When the bottle cap 200 is rotated from the open state to the closed state, after the bottle cap 200 is rotated at a certain angle, the spring extension 2801 can contact the second abutment end 4262 of the protrusion and drive the spring 280 to vibrate and make a sound, reminding the user that the bottle cap 200 has switched to the closed state.

[0096] When the bottle cap 200 is in the open / closed position, the second limit end 4291 of the movement stroke restricts the second abutment 270 from moving in the opening direction. The second abutment 270 is provided with a second abutment slope 2701 on the side of the second abutment 270 close to the second limit end clearance slope 42911. When the bottle cap 200 is pushed to rotate, the second abutment slope 2701 slides along the second limit end clearance slope 42911 so that the second abutment 270 disengages from the second limit end 4291 of the movement stroke and changes to the open state along the movement stroke 4200.

[0097] The above examples are merely illustrative of the technical content of the present invention to facilitate easier understanding by the reader, but do not imply that the implementation of the present invention is limited to these examples. Any technical extensions or re-creations made based on the present invention are protected by the present invention. The scope of protection of the present invention is defined by the claims.

Claims

1. A packaging bottle, comprising a bottle body (100) and a bottle cap (200), the bottle body (100) is provided with a liquid storage cavity (110) and a liquid outlet (120) in communication with the liquid storage cavity (110), the bottle cap (200) is provided with a bottle cap inner cavity (210), characterized in that: The bottle cap (200) is provided with a bottle cap opening (230), the bottle cap inner cavity (210) is provided with a valve body (300), the valve body (300) is provided with a discharging cavity (310) communicated with the liquid outlet (120), and a discharging part (320) communicated with the bottle cap opening (230) and having elasticity, the discharging part (320) is provided with a cut (321) for self-sealing in the direction of the bottle cap opening (230), the bottle body (100) comprises a shell (102) and a connecting plane (101) integrally formed with the shell (102), the connecting plane (101) is located on the side close to the bottle cap (200), and the material of the connecting plane (101) is harder than the material of the shell (102); when the bottle cap (200) is covered on the bottle body (100), the lower end surface of the bottle cap (200) is tightly attached to the connecting plane (101).

2. A packaging bottle according to claim 1, characterized in that: The bottle body (100) is provided with a bottle neck assembly (400), the bottle neck assembly (400) is provided with a positioning piece, and the bottle cap inner cavity (210) is provided with a limiting piece matched with the positioning piece.

3. A packaging bottle according to claim 2, characterized in that: The bottle neck assembly (400) comprises a bottle neck (410) protruding to one side and a sealing piece (420) sleeved outside the bottle neck (410), and the liquid outlet (120) and the positioning piece are arranged on the sealing piece (420).

4. A packaging bottle according to claim 3, characterized in that: The bottle neck (410) is located on the upper side of the bottle body (100), and the upper side of the sealing piece (420) is provided with a bottle mouth (421) extending upwards and extending into the discharging cavity (310).

5. A packaging bottle according to claim 4, characterized in that: The bottle cap (200) is sleeved outside the sealing piece (420) and can rotate relative to the bottle body (100), the liquid outlet (120) is located on the side of the bottle mouth (421), and the inner wall of the discharging cavity (310) is provided with an inclination groove (311) extending in the direction of the cut (321).

6. A packaging bottle according to claim 3, characterized in that: The limiting piece comprises a limiting groove (212) arranged in the bottle cap inner cavity (210), and the positioning piece comprises a protruding part (422) arranged on the sealing piece (420) and capable of limiting the bottle cap (200) from deviating.

7. A packaging bottle according to claim 3, wherein: The positioning piece comprises an opening abutting end (428) and a closing abutting end (429) arranged outside the sealing piece (420), and the limiting piece further comprises a first abutting part (260) arranged in the bottle cap inner cavity (210) and abutting against the opening abutting end (428), and a second abutting part (270) abutting against the closing abutting end (429).

8. A packaging bottle according to claim 3, characterized in that: The sealing piece (420) is provided with an anti-overflow pipe (425) connected between the liquid outlet (120) and the liquid storage cavity (110) and used for limiting the fluid in the bottle neck (410) from directly moving to the liquid outlet (120).

9. A packaging bottle according to claim 1, characterized in that: The bottle cap opening (230) has an outer diameter smaller than that of the bottle cap inner cavity (210), the discharge part (320) is linearly projected from the valve body (300) towards the bottle cap opening (230), and the upper end surface of the cutout (321) is flush with the upper end surface of the bottle cap opening (230).

10. The package of claim 1, wherein: The cutout (321) is in a cross shape.

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