An adjustable pump head

Abstract

This utility model discloses an adjustable pump head, comprising: a pressing component, an adjusting component, and a drawing component; the drawing component has a storage chamber, and the pressing component has a spray chamber. The pressing component is rotatably fitted onto the drawing component, allowing the storage chamber and the spray chamber to communicate and form a flow channel; the adjusting component includes: a rotating baffle and a fixed baffle, located at the junction of the storage chamber and the spray chamber. The rotating baffle is fixed inside the spray chamber, and the fixed baffle is fixed in the storage chamber. The rotating baffle is positioned above the fixed baffle, and its bottom abuts against the top of the fixed baffle; the pressing component rotates, causing the rotating baffle to move on the fixed baffle to adjust the flowable cross-sectional area of ​​the flow channel. This utility model, by setting a rotating baffle and a fixed baffle, and adjusting the relative position of the rotating baffle and the fixed baffle, adjusts the flowable cross-sectional area, thereby adjusting the liquid output during pressing to meet different usage needs.

Description

Technical Field

[0001] This utility model relates to the field of pump body components, and more particularly to an adjustable pump head. Background Technology

[0002] Pump heads are something we use in our daily lives; many toiletries have pump heads, and they are almost ubiquitous in every household. Currently, traditional pump heads have a fixed spray volume, meaning that the same amount is sprayed every time you press the pump. However, users cannot adjust the amount of liquid dispensed when pressing, which fails to meet different usage needs. Utility Model Content

[0003] The purpose of this utility model is to overcome the shortcomings of the prior art. This utility model provides an adjustable pump head. By setting a rotating baffle and a fixed baffle, the relative position of the rotating baffle and the fixed baffle can be adjusted to adjust the flowable cross-sectional area of ​​the flow channel, thereby adjusting the liquid output when pressing to meet different usage needs.

[0004] Accordingly, this utility model proposes an adjustable pump head, which includes: a pressing component, an adjusting component, and an extraction component;

[0005] The extraction component has a storage cavity, and the pressing component has a spray cavity. The pressing component is rotatably sleeved on the extraction component, so that the storage cavity and the spray cavity are connected to form a flow channel.

[0006] The adjustment assembly includes a rotating baffle and a fixed baffle, the rotating baffle and the fixed baffle being located at the junction of the storage cavity and the injection cavity, the rotating baffle being fixed inside the injection cavity, the fixed baffle being fixed in the storage cavity, the rotating baffle being located above the fixed baffle, and the bottom of the rotating baffle abutting against the top of the fixed baffle;

[0007] The pressing component rotates, causing the rotating baffle to move on the fixed baffle, thereby adjusting the flowable cross-sectional area of ​​the flow channel.

[0008] Preferably, the cross-sectional area of ​​the flow channel is S1, the cross-sectional area of ​​the rotating baffle is S2, and the cross-sectional area of ​​the fixed baffle is S3, satisfying the relationships: S2 > 0.5S1 and S3 > 0.5S1.

[0009] Preferably, the fixed baffle is provided with a movable groove, and the bottom of the movable baffle is provided with a movable boss, which is movably inserted into the movable groove.

[0010] Preferably, the adjustment component further includes a pressure cap, which has multiple scales, each scale corresponding to the size of the flowable cross-sectional area of ​​the flow channel.

[0011] Preferably, the pressing assembly includes a pressing head and a liquid outlet, wherein the liquid outlet is inserted into the pressing head;

[0012] The spray chamber extends through the pressing head and the liquid outlet.

[0013] Preferably, the injection chamber is provided with a mounting groove, which is located below the movable baffle.

[0014] Preferably, the extraction assembly includes: a suction tube and a movable component;

[0015] The suction tube is inserted at the bottom of the storage cavity and communicates with the storage cavity. The movable part is located inside the storage cavity and is connected to the pressing assembly. The movable part is driven by the pressing assembly to move within the extraction part.

[0016] Preferably, a first one-way valve is provided in the storage cavity. The first one-way valve is located at the bottom of the movable part, and the first one-way valve is moved by hydraulic pressure at the connection between the suction tube and the storage cavity.

[0017] Preferably, the first one-way valve includes a spring and a ball, one end of the spring is fixedly connected to the ball, and the other end of the spring is fixedly connected to the bottom of the movable part.

[0018] Preferably, the movable component has a hollow receiving cavity, and two symmetrical through holes are provided on the side wall of the movable component, the receiving cavity communicating with the storage cavity through the through holes.

[0019] The beneficial effects of this utility model are:

[0020] This invention adjusts the flow channel's cross-sectional area by setting a rotating baffle and a fixed baffle, and adjusting their relative positions. This allows for adjustment of the liquid output during pressing, meeting different usage needs. Specifically, when the rotating baffle rotates to the corresponding angle, the flow channel's cross-sectional area becomes zero, preventing the liquid inside the bottle from being squeezed out when the pump head is accidentally pressed. This helps reduce the risk of liquid waste caused by accidental pressing. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 This is a schematic diagram of the adjustable pump head in this utility model;

[0023] Figure 2 This is a cross-sectional view of one-quarter of the adjustable pump head in this utility model.

[0024] Figure 3 This is a cross-sectional view of the adjustable pump head in this utility model;

[0025] Figure 4 yes Figure 3 Enlarged view of point A in the image;

[0026] Figure 5 This is a diagram showing the fit between the rotating baffle and the fixed baffle in this utility model.

[0027] In the attached diagram: 1. Pressing assembly; 10. Spray chamber; 101. Mounting groove; 11. Pressing head; 12. Liquid outlet; 2. Adjusting assembly; 21. Rotating baffle; 211. Moving boss; 22. Fixed baffle; 221. Moving groove; 23. Pressure cap; 3. Extraction assembly; 30. Storage chamber; 301. First one-way valve; 3011. Spring; 3012. Ball; 31. Suction tube; 32. Movable part; 320. Receiving chamber; 321. Through hole. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0029] Figure 1 A schematic diagram of the adjustable pump head in this invention is shown. Figure 2 The diagram shows a quarter-section view of the adjustable pump head in this invention. Figure 3 A cross-sectional view of the adjustable pump head of this invention is shown. Figure 4 It shows Figure 3 Enlarged view of point A in the image. Figure 5The diagram shows the arrangement of the rotating baffle and the fixed baffle in this invention. The adjustable pump head includes: a pressing assembly 1, an adjusting assembly 2, and an extraction assembly 3. The extraction assembly 3 has a storage cavity 30, and the pressing assembly 1 has a spray cavity 10. The pressing assembly 1 is rotatably fitted onto the extraction assembly 3, so that the storage cavity 30 and the spray cavity 10 are connected to form a flow channel. The adjusting assembly 2 includes: a rotating baffle 21 and a fixed baffle 22. The rotating baffle 21 and the fixed baffle 22 are located at the junction of the storage cavity 30 and the spray cavity 10. The rotating baffle 21 is fixed inside the spray cavity 10, and the fixed baffle 22 is fixed in the storage cavity 30. The rotating baffle 21 is located above the fixed baffle 22, and the bottom of the rotating baffle 21 abuts against the top of the fixed baffle 22. The pressing assembly 1 rotates, causing the rotating baffle 21 to move on the fixed baffle 22, thereby adjusting the flowable cross-sectional area of ​​the flow channel. When the rotating baffle 21 rotates, the flowable cross-sectional area of ​​the flow channel can be adjusted from 0 to 50%. When the rotating baffle 21 rotates to the corresponding angle, the flowable cross-sectional area of ​​the flow channel is 0, which avoids the problem that the liquid in the bottle will be squeezed out when the pump head is accidentally pressed, and helps to reduce the risk of liquid waste caused by accidental pressing.

[0030] Furthermore, the cross-sectional area of ​​the flow channel is S1, the cross-sectional area of ​​the rotating baffle 21 is S2, and the cross-sectional area of ​​the fixed baffle 22 is S3, satisfying the relationships: S2 > 0.5S1 and S3 > 0.5S1. The rotating baffle 21 can be fan-shaped, and the fixed baffle 22 can also be fan-shaped. The moving baffle and the fixed baffle 22 are at the same center, and the rotating baffle 21 rotates around the center. When the moving baffle moves to the corresponding angle, it overlaps with the fixed baffle 22, maximizing the flow area of ​​the flow channel. When the moving baffle moves to the corresponding angle, it is symmetrical with the fixed baffle 22 based on the center, forming a sealing plate. When the sealing plate formed by the moving baffle and the fixed baffle 22 completely blocks the entire flow channel, liquid cannot pass through the entire flow channel.

[0031] Furthermore, the fixed baffle 22 is provided with a movable groove 221, and the bottom of the movable baffle is provided with a movable boss 211, which is movably inserted into the movable groove 221. The movable boss 211 is located within the movable groove 221, and the sidewall of the movable groove 221 exerts a force on the movable boss 211, ensuring that the movable boss 211 is embedded in the movable groove 221. This prevents the movable baffle from shifting during rotation, which would prevent accurate adjustment of the flow cross-section and improve the accuracy of flow cross-section adjustment.

[0032] Furthermore, the adjustment component 2 also includes a pressure cap 23, which has multiple graduations, each corresponding to the size of the flowable cross-sectional area of ​​the flow channel. In this embodiment, the pressure cap 23 has four graduations, with an angle of 90° between adjacent graduations. Two graduations represent a half-open state, one a fully open state, and one a fully closed state. The graduations for the two half-open states are symmetrically distributed, as are those for the fully open and fully closed states. The half-open state corresponds to a 50% overlap between the moving baffle and the fixed baffle 22, the fully open state corresponds to a 100% overlap, and the fully closed state corresponds to a 10% overlap. Each graduation corresponds to a specific state, allowing the user to adjust the flow rate from the pump head according to their needs.

[0033] Furthermore, the pressing assembly 1 includes a pressing head 11 and a liquid outlet 12, the liquid outlet 12 being inserted into the pressing head 11; the spray chamber 10 penetrates the pressing head 11 and the liquid outlet 12. The spray chamber 10 starts from the bottom of the pressing head 11, extends to the top of the pressing head 11, and then extends to the end of the liquid outlet 12, ensuring a continuous flow path for the liquid. This design allows the liquid in the container to be effectively squeezed and sprayed out through the spray chamber 10 and the liquid outlet 12 when the user presses the pressing head 11. That is, the liquid extracted by the extraction assembly 3 enters the spray chamber 10, first moves from the position of the spray chamber 10 corresponding to the pressing head 11 to the position of the spray chamber 10 corresponding to the liquid outlet 12, and finally sprays out from the liquid outlet 12, which is beneficial for achieving effective control and precise spraying of the liquid.

[0034] Furthermore, the injection chamber 10 is provided with a mounting groove 101, which is located below the movable baffle. The mounting groove 101 is used to connect the pressing component 1 to the corresponding extraction component 3. The mounting groove 101 has a slope on the side near the extraction component 3. This slope reduces the resistance when the pressing component 1 is installed onto the extraction component 3, making it easier for the pressing component 1 to be installed onto the extraction component 3.

[0035] It should be noted that the outer surface of the extraction component 3 is provided with a mounting slot that mates with the mounting groove 101. When the pressing component 1 is installed on the extraction component 3, the mounting slot enters the mounting groove 101 along the inclined surface of the mounting groove 101, reducing the resistance between the mounting slot and the mounting groove 101, and facilitating the installation of the pressing component 1 on the extraction component 3.

[0036] Furthermore, the extraction component 3 includes a suction tube 31 and a movable component 32. The suction tube 31 is inserted into the bottom of the storage cavity 30 and communicates with the storage cavity 30. The movable component 32 is located inside the storage cavity 30 and is connected to the pressing component 1. The movable component 32 is driven by the pressing component 1 to move within the extraction component. The movable component 32 is used to transport the liquid in the storage cavity 30 to the spray cavity 10, and the suction tube 31 is used to draw liquid from the corresponding storage bottle. When the movable part 32 moves along the inner wall of the storage cavity 30 under the drive of the pressing component 1, it can change the air pressure in the storage cavity 30, so that the air pressure at both ends of the suction tube 31 is different. The air pressure of the corresponding storage bottle is higher than the air pressure in the storage cavity 30, so that the liquid in the storage bottle enters the storage cavity 30 along the suction tube 31. Combined with the precise control of the pressing component 1, the function of efficiently and controllably extracting liquid from the corresponding storage bottle is realized, which not only improves the accuracy and efficiency of liquid extraction, but also enhances durability and user-friendliness.

[0037] Furthermore, a first one-way valve 301 is provided in the storage cavity 30. The first one-way valve 301 is located at the bottom of the movable part 32, and the first one-way valve 301 changes its working state at the connection between the suction pipe 31 and the storage cavity 30 under hydraulic pressure. The first one-way valve 301 is used to control the liquid drawn by the suction pipe 31 to enter the storage cavity 30. The first one-way valve 301 operates in two states: open and closed. When the first one-way valve 301 is closed, it blocks the connection between the suction tube 31 and the storage cavity 30, meaning it adheres to the inner wall of the storage cavity 30, preventing liquid in the suction tube 31 from continuing to enter the storage cavity 30. When the first one-way valve 301 is open, it moves away from the connection between the suction tube 31 and the storage cavity 30, meaning it does not contact the inner wall of the storage cavity 30, allowing liquid in the suction tube 31 to enter the storage cavity 30.

[0038] Specifically, when liquid needs to be added to the storage chamber 30, the pressing component 1 is pressed, which drives the movable part 32 to move, and the suction tube 31 starts to work, generating negative pressure. Since the liquid pressure inside the storage bottle is relatively high, the first one-way valve 301 opens under hydraulic action, allowing liquid to flow from the storage bottle into the suction tube 31, and then be supplied to the storage chamber 30.

[0039] Furthermore, the first one-way valve 301 includes a spring 3011 and a ball 3012. One end of the spring 3011 is fixedly connected to the ball 3012, and the other end of the spring 3011 is fixedly connected to the bottom of the movable member 32. The ball 3012 is used to block the connection between the storage cavity 30 and the suction tube 31, preventing liquid from flowing from the suction tube 31 into the storage cavity 30. When the movable member 32 is forced to move downward, the movable member 32 exerts a force on the spring 3011, causing the spring 3011 to contract. At the same time, the spring 3011 exerts a force on the ball 3012, causing the ball 3012 to adhere to the inner wall of the storage cavity 30, preventing liquid from flowing from the suction tube 31 into the storage cavity 30. Then, when the force on the movable part 32 disappears, the compressed spring 3011 exerts a reaction force on the movable part 32, causing it to return to its original position. Simultaneously, the pressure inside the storage cavity 30 is lower than the pressure inside the storage bottle, and the liquid in the storage bottle flows into the storage cavity 30 along the suction tube 31, making the pressure in the storage cavity 30 equal to that in the storage bottle. Once the pressure in the storage cavity 30 and the storage bottle is equal, the sphere 3012, under its own weight, moves to the connection point between the storage cavity 30 and the suction tube 31, forming a sealing layer that prevents the liquid in the storage cavity 30 from flowing back into the storage bottle.

[0040] Furthermore, the movable component 32 has a hollow receiving cavity 320, and two symmetrical through holes 321 are provided on the side wall of the movable component 32. The receiving cavity 320 communicates with the storage cavity 30 through the through holes 321. The receiving cavity 320 is used to contain liquid, and the receiving cavity 320 helps the movable component 32 transport the corresponding liquid to the connection between the storage cavity 30 and the injection cavity 10. The two symmetrical through holes 321 ensure that fluid can freely enter and exit the receiving cavity 320 through these two channels when the movable component 32 moves, and the size and shape of the through holes 321 are carefully designed to balance fluid flow rate and pressure loss.

[0041] In summary, this utility model, by setting a rotating baffle and a fixed baffle, and adjusting the relative positions of the rotating baffle and the fixed baffle, adjusts the flowable cross-sectional area of ​​the flow channel, thereby adjusting the liquid output when pressed to meet different usage needs. Specifically, when the rotating baffle rotates to the corresponding angle, the flowable cross-sectional area of ​​the flow channel is 0, avoiding the problem of liquid being squeezed out when the pump head is accidentally pressed, thus reducing the risk of liquid waste caused by accidental pressing.

[0042] Furthermore, the above description provides a detailed overview of an adjustable pump head provided by the embodiments of this utility model. Specific examples have been used to illustrate the principles and implementation methods of this utility model. The description of the above embodiments is only for the purpose of helping to understand the method and core ideas of this utility model. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the ideas of this utility model. Therefore, the content of this specification should not be construed as a limitation of this utility model.

Claims

1. An adjustable pump head, characterized in that, The adjustable pump head includes: a pressing component, an adjusting component, and a pumping component; The extraction component has a storage cavity, and the pressing component has a spray cavity. The pressing component is rotatably sleeved on the extraction component, so that the storage cavity and the spray cavity are connected to form a flow channel. The adjustment assembly includes a rotating baffle and a fixed baffle, the rotating baffle and the fixed baffle being located at the junction of the storage cavity and the injection cavity, the rotating baffle being fixed inside the injection cavity, the fixed baffle being fixed in the storage cavity, the rotating baffle being located above the fixed baffle, and the bottom of the rotating baffle abutting against the top of the fixed baffle; The pressing component rotates, causing the rotating baffle to move on the fixed baffle, thereby adjusting the flowable cross-sectional area of ​​the flow channel.

2. The adjustable pump head of claim 1, wherein, The cross-sectional area of ​​the flow channel is S1, the cross-sectional area of ​​the rotating baffle is S2, and the cross-sectional area of ​​the fixed baffle is S3, satisfying the relationships: S2 > 0.5S1 and S3 > 0.5S1.

3. The adjustable pump head according to claim 1, characterized in that, The fixed baffle is provided with a movable groove, and the bottom of the rotating baffle is provided with a movable boss, which is movably inserted into the movable groove.

4. The adjustable pump head according to claim 1, characterized in that, The adjustment component also includes a pressure cap, which has multiple scales, each scale corresponding to the size of the flow channel's cross-sectional area.

5. The adjustable pump head of claim 1, wherein, The pressing assembly includes a pressing head and a liquid outlet, wherein the liquid outlet is inserted into the pressing head; The spray chamber extends through the pressing head and the liquid outlet.

6. The adjustable pump head according to claim 5, characterized in that, The injection chamber is provided with an installation groove, which is located below the rotating baffle.

7. The adjustable pump head according to claim 1, characterized in that, The extraction assembly includes: a suction tube and a movable component; The suction tube is inserted at the bottom of the storage cavity and communicates with the storage cavity. The movable part is located in the storage cavity and is connected to the pressing assembly. The movable part is driven by the pressing assembly to move within the extraction assembly.

8. The adjustable pump head according to claim 7, characterized in that, A first one-way valve is provided inside the storage cavity. The first one-way valve is located at the bottom of the movable part, and the first one-way valve moves under hydraulic pressure at the connection between the suction tube and the storage cavity.

9. The adjustable pump head according to claim 8, characterized in that, The first one-way valve includes a spring and a ball, one end of the spring is fixedly connected to the ball, and the other end of the spring is fixedly connected to the bottom of the movable part.

10. The adjustable pump head according to claim 9, characterized in that, The movable component has a hollow receiving cavity, and two symmetrical through holes are provided on the side wall of the movable component. The receiving cavity is connected to the storage cavity through the through holes.

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