CN220097165U

CN220097165U - Press pump

Info

Publication number: CN220097165U
Application number: CN202320977112.7U
Authority: CN
Inventors: 莫恒进; 曾其坤
Original assignee: Zhongshan Luencheong Dispensing Pump Ltd
Current assignee: Zhongshan Luencheong Dispensing Pump Ltd
Priority date: 2023-04-25
Filing date: 2023-04-25
Publication date: 2023-11-28
Anticipated expiration: 2033-04-25

Abstract

The utility model discloses a pressing pump, which comprises a pump body component, a pressing head and a sealing element, wherein the pump body component is provided with a mounting groove, an input channel and an output channel, the pump body component can convey liquid in a container bottle from the input channel to the output channel, the pressing head is inserted into the mounting groove and can move along the axial direction of the mounting groove, the pressing head is provided with a liquid outlet channel communicated with the output channel, a gap is formed between the pressing head and the pump body component, the sealing element comprises a connecting part, a flexible part and a sealing part, the outer side of the flexible part is connected with the connecting part, the inner side of the flexible part is connected with the sealing part, the connecting part is connected with one end of the pump body component close to the pressing head, the sealing part is sleeved on the pressing head and is attached to the side face of the pressing head, and the sealing part shields the gap.

Description

Press pump

Technical Field

The utility model relates to the technical field of pressing pumps, in particular to a pressing pump.

Background

The container for containing liquid such as shampoo, bath foam and the like is generally provided with a pressing pump which can squeeze out the liquid in the container. The pressing pump generally comprises a pump body assembly and a pressing head inserted in the pump body assembly, water of the bathroom shower is easy to enter the pump body assembly from a gap between the pump body assembly and the pressing head in the actual use process of the conventional pressing pump, and the water enters the container through the pump body assembly to pollute the liquid in the container.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the pressing pump, which can effectively prevent external water from entering the pump body from a gap between the valve rod assembly and the pump body and improve the waterproof performance of the pressing pump.

According to the embodiment of the utility model, the pressing pump comprises a pump body assembly, a pressing head and a sealing element, wherein the pump body assembly is provided with a mounting groove, an input channel and an output channel, the pump body assembly can convey liquid in a container bottle from the input channel to the output channel, the pressing head is inserted into the mounting groove and can move along the axial direction of the mounting groove, the pressing head is provided with a liquid outlet channel communicated with the output channel, a gap is formed between the pressing head and the pump body assembly, the sealing element comprises a connecting part, a flexible part and a sealing part, the outer side of the flexible part is connected with the connecting part, the inner side of the flexible part is connected with the sealing part, the connecting part is connected with one end of the pump body assembly close to the pressing head, the sealing part is sleeved on the pressing head and is attached to the side face of the pressing head, and the sealing part shields the gap.

The pressing pump according to the embodiment of the utility model has at least the following beneficial effects:

when the press head moves in the pump body assembly, friction force exists between the press head and the sealing part, and the flexible part is arranged, so that the press head can drive the sealing part to move relative to the connecting part, the sealing part can be continuously attached to the side face of the press head, the sealing part is ensured to stably shield a gap, external water can be effectively prevented from entering the pump body from the gap between the press head and the pump body, and the waterproof performance of the press pump is improved.

According to some embodiments of the utility model, the connecting portion, the flexible portion and the sealing portion are of unitary construction.

According to some embodiments of the utility model, a gas-supplementing channel is formed between the pump body assembly and the sealing piece in a surrounding mode, and the gas-supplementing channel is communicated with the gap.

According to some embodiments of the utility model, the air make-up channel is configured with at least one, at least one of the air make-up channels being disposed along a circumferential direction of the pump body assembly.

According to some embodiments of the utility model, a clamping structure is arranged between the connecting part and the pump body assembly.

According to some embodiments of the utility model, the clamping structure comprises a clamping groove arranged on the connecting part and a clamping part arranged on the pump body assembly, and the clamping part is accommodated in the clamping groove.

According to some embodiments of the utility model, the sealing part is provided with a sealing plane, which is fitted with the side face of the push head.

According to some embodiments of the utility model, the sealing portion is provided with a first sealing curved surface, one side of the first sealing curved surface is connected with one side of the sealing plane, and the other side of the first sealing curved surface is arranged in an extending manner along a direction approaching to the flexible portion.

According to some embodiments of the utility model, the sealing part is provided with a second sealing curved surface, one side of the second sealing curved surface is connected with one side of the sealing plane away from the first sealing curved surface, and the other side of the second sealing curved surface is arranged in an extending manner along the direction approaching to the flexible part.

According to some embodiments of the utility model, the connection portion, the flexible portion and the sealing portion enclose a default groove.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic view of a press pump according to an embodiment of the present utility model;

FIG. 2 is a schematic view showing an internal structure of a pressing pump according to an embodiment of the present utility model;

FIG. 3 is an enlarged view of a portion A of FIG. 2;

FIG. 4 is an exploded view of a compression pump according to an embodiment of the present utility model;

FIG. 5 is a schematic view of a seal according to an embodiment of the present utility model;

FIG. 6 is a schematic view of the internal structure of a seal according to an embodiment of the present utility model;

fig. 7 is a partial enlarged view of a portion B in fig. 6.

Reference numerals:

the pump body assembly 100, the mounting groove 101, the input channel 102, the output channel 103, the gap 104, the air supplementing channel 105, the clamping part 106, the main column 110, the auxiliary column 120, the piston 130, the elastic member 140, the check member 150, the press head 200, the liquid outlet channel 201, the sealing member 300, the default groove 301, the connecting part 310, the clamping groove 311, the flexible part 320, the sealing part 330, the sealing plane 331, the first sealing curved surface 332 and the second sealing curved surface 333.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1, 2 and 3, according to an embodiment of the present utility model, the pressing pump includes a pump body assembly 100, a pressing head 200 and a sealing member 300, the pump body assembly 100 has a mounting groove 101, an input channel 102 and an output channel 103, the pump body assembly 100 is capable of conveying liquid in a container bottle from the input channel 102 to the output channel 103, the pressing head 200 is inserted into the mounting groove 101 and is capable of moving along an axial direction of the mounting groove 101, the pressing head 200 is provided with a liquid outlet channel 201 communicating with the output channel 103, a gap 104 is formed between the pressing head 200 and the pump body assembly 100, the sealing member 300 includes a connecting portion 310, a flexible portion 320 and a sealing portion 330, an outer side of the flexible portion 320 is connected with the connecting portion 310, an inner side of the flexible portion 320 is connected with the sealing portion 330, the connecting portion 310 is connected with one end of the pump body assembly 100 close to the pressing head 200, the sealing portion 330 is sleeved on the pressing head 200 and is attached to a side surface of the pressing head 200, and the sealing portion 330 shields the gap 104, thus, by providing the sealing member 300, entry of external water from a gap between the pressing head 200 and the pump body can be effectively prevented.

Specifically, when the press head 200 moves in the pump body assembly 100, a friction force exists between the press head 200 and the sealing part 330, and the flexible part 320 is arranged, so that the press head 200 can drive the sealing part 330 to move relative to the connecting part 310, and the sealing part 330 can be continuously attached to the side surface of the press head 200, so that the sealing part 330 can be ensured to stably shield the gap 104, external water can be effectively prevented from entering the pump body from a gap between the press head 200 and the pump body, and the waterproof performance of the press pump is improved.

When the user presses the push head 200, the push head 200 can be driven to move in the pump body assembly 100, so that the liquid in the container bottle is transported from the input channel 102 to the output channel 103 and discharged from the liquid outlet channel 201.

It should be noted that the pump body assembly 100 includes the pump body assembly 100 including the main column 110, the auxiliary column 120, the piston 130, the elastic member 140 and the check member 150, the pump body assembly 100 has a pump cavity, the piston 130 is disposed in the pump cavity, the auxiliary column 120 is disposed through the piston 130 and can move up and down relative to the piston 130, the elastic member 140 is a spring and acts on the push head 200 so as to make it have a tendency to move up, the upper end of the auxiliary column 120 is inserted into the main column 110, and the main column 110 can push the auxiliary column 120 to move down, the upper end of the main column 110 is connected with the push head 200, a chamber (not shown) is formed between the lower end of the main column 110 and the upper end of the piston 130, the auxiliary column 120 can move down relative to the piston 130 so that the chamber communicates with the lower space of the piston 130, the output channel 103 is disposed in the main column 110 and communicates with the chamber, the input channel 102 communicates with the lower space of the piston 130 in the pump cavity, the check member 150 is in a spherical structure and is disposed in the pump cavity, the check member 150 is disposed at the outlet of the input channel 102 and can block the outlet of the input channel 102.

Referring to fig. 2 and 4, when in use, the push head 200 is pressed to move downwards, the avoidance structure avoids the up-down movement of the push head 200, the push head 200 drives the auxiliary column 120 to move downwards through the main column 110, so that the upper cavity and the lower cavity of the piston 130 are communicated, the main column 110 drives the piston 130 to move downwards, the lower cavity is compressed, the pressure in the pump cavity enables the check member 150 to seal the outlet of the input channel 102, the fluid in the lower cavity of the piston 130 is pressed into the output channel 103, the pressing of the push head 200 is released, the auxiliary column 120 moves upwards under the action of the elastic member 140, the piston 130 and the main column 110 are driven to move upwards, the lower end of the auxiliary column 120 is matched with the piston 130, the communication between the output channel 103 and the lower cavity of the piston 130 is disconnected, the piston 130 moves upwards, so that the volume of the lower cavity of the piston 130 is enlarged, negative pressure is generated, the check member 150 releases the outlet of the input channel 102, the liquid in the container bottle is sucked into the lower cavity of the piston 130 through the input channel 102, the piston 130 is pressed again to move downwards, the piston 200 is driven to move downwards, the fluid in the lower cavity of the container bottle is pressed, the upper cavity, the container 103 is pumped out of the output channel 201, and the container bottle is pumped out of the output channel 201.

Referring to fig. 5 and 6, in some embodiments of the present utility model, the connection portion 310, the flexible portion 320 and the sealing portion 330 are integrally formed, so that the number of dies can be reduced, and the manufacturing cost of the dies can be reduced, thereby reducing the manufacturing cost of the pressing pump.

Specifically, the connection part 310, the flexible part 320 and the sealing part 330 may be integrally formed by injection molding, so that the number of molds can be reduced, and the manufacturing cost of the molds can be reduced, thereby reducing the manufacturing cost of the pressing pump.

Referring to fig. 3 and 4, in some embodiments of the present utility model, a gas-filling channel 105 is formed between the pump body assembly 100 and the sealing member 300, and the gas-filling channel 105 is communicated with the gap 104, so as to fill the mounting groove 101 with gas, so that the air pressure of the mounting groove 101 is balanced with the atmospheric pressure of the external air, and the push head 200 is convenient to move upwards.

Specifically, when the user presses the button head 200, the button head 200 moves downward, the space in the mounting groove 101 is reduced, the air in the mounting groove 101 can be extruded to flow out from the gap 104 to the air supplementing channel 105, so that the pressing resistance of the button head 200 is reduced, when the button head 200 moves upward, the space in the mounting groove 101 is increased, and the external air flows from the air supplementing channel 105 to the air supplementing channel 104 to enter the mounting groove 101, so that the air pressure in the mounting groove 101 is balanced with the atmospheric pressure of the external air, so that the reset resistance of the button head 200 is reduced, and the button head 200 is convenient to move upward.

Referring to fig. 3 and 4, in some embodiments of the present utility model, four air-supplementing channels 105 are configured, and four air-supplementing channels 105 are disposed at intervals along the circumferential direction of the pump body assembly 100, so that the air-supplementing speed of the mounting groove 101 can be increased, so as to quickly supplement air to the mounting groove 101.

Of course, in some embodiments, the air make-up channel 105 may also be configured with one, two, three, five, etc., without limitation.

Referring to fig. 4 and 6, in some embodiments of the present utility model, a clamping structure is provided between the connection portion 310 and the pump body assembly 100, which can facilitate the installation of the sealing member 300 to improve the assembly efficiency of the pressing pump.

Referring to fig. 4 and 6, in some embodiments of the present utility model, the clamping structure includes a clamping groove 311 formed on the connecting portion 310 and a clamping portion 106 formed on the pump body assembly 100, and the clamping portion 106 is accommodated in the clamping groove 311, so that the sealing member 300 can be conveniently installed to improve the assembly efficiency of the pressing pump.

Specifically, the clamping groove 311 extends along the circumferential direction of the connecting portion 310, the clamping portion 106 extends along the circumferential direction of the pump body assembly 100, and the clamping portion 106 is accommodated in the clamping groove 311 and abuts against the side wall of the clamping groove 311, so that the sealing member 300 can be fixed, the sealing member 300 can be conveniently installed, and accordingly the assembly efficiency of the pressing pump is improved.

The positions of the locking portion 106 and the locking groove 311 may be interchanged, that is, the locking portion 106 is provided at the connection portion 310, and the locking groove 311 is provided at the pump body assembly 100, which is not limited herein.

Of course, in some embodiments, the fastening structure may also be a structure in which the hook is matched with the fastening slot 311, the hook is disposed on the pump body assembly 100, and the fastening slot 311 is disposed on the connecting portion 310, which is not limited herein.

Referring to fig. 6 and 7, in some embodiments of the present utility model, the sealing portion 330 is provided with a sealing plane 331, and the sealing plane 331 is attached to a side surface of the pressing head 200, so that a contact area between the sealing portion 330 and the pressing head 200 can be increased, thereby improving a sealing performance of the sealing member 300, so as to effectively prevent external water from entering the pump body from a gap between the pressing head 200 and the pump body, and improve a waterproof performance of the pressing pump.

Specifically, the sealing plane 331 can change the contact between the sealing portion 330 and the button 200 from line contact to surface contact, and can increase the contact area of the sealing portion 330 and the button 200, thereby improving the sealing performance of the seal 300, relative to a curved surface structure.

Referring to fig. 6 and 7, in some embodiments of the present utility model, the sealing part 330 is provided with a first sealing curved surface 332, one side of the first sealing curved surface 332 is connected with one side of the sealing plane 331, and the other side of the first sealing curved surface 332 is extended in a direction approaching the flexible part 320, so that the sealing part 330 can be stably attached to the side of the button 200, and the sealing member 300 can be ensured to stably cover the gap 104.

Specifically, one side of the first sealing curved surface 332 is smoothly connected with one side of the sealing plane 331, the first sealing curved surface 332 is located above the sealing plane 331, when the user presses the pressing head 200, the pressing head 200 moves downward, so as to drive the sealing portion 330 to deflect downward, the sealing plane 331 is separated from the pressing head 200, and the first sealing curved surface 332 gradually contacts with the pressing head 200, so that the sealing portion 330 can be stably attached to the side surface of the pressing head 200, and the sealing member 300 can be ensured to stably cover the gap 104.

Referring to fig. 6 and 7, in some embodiments of the present utility model, the sealing portion 330 is provided with a second sealing curved surface 333, one side of the second sealing curved surface 333 is connected to one side of the sealing plane 331 away from the first sealing curved surface 332, and the other side of the second sealing curved surface 333 extends along a direction approaching the flexible portion 320, so that the sealing portion 330 can be stably attached to a side surface of the button 200, and the sealing member 300 can be ensured to stably cover the gap 104.

Specifically, one side of the second sealing curved surface 333 is smoothly connected to one side of the sealing plane 331 away from the first sealing plane 331, the first sealing curved surface 332 is located below the sealing plane 331, when the elastic member 140 pushes the pressing head 200 to move upward, the sealing portion 330 deflects upward, the sealing plane 331 is separated from the pressing head 200, and the second sealing curved surface 333 gradually contacts the pressing head 200, so that the sealing portion 330 can be stably attached to the side of the pressing head 200, and the sealing member 300 can be ensured to stably shield the gap 104.

Referring to fig. 6 and 7, in some embodiments of the present utility model, the connection portion 310, the flexible portion 320 and the sealing portion 330 are enclosed to form the default groove 301, so that the material cost of the sealing member 300 can be saved, thereby reducing the manufacturing cost of the pressing pump.

Specifically, the default grooves 301 are provided in two, and the two default grooves 301 are provided on opposite sides of the seal 300, so that the material cost of the seal 300 can be saved, thereby reducing the manufacturing cost of the pressing pump.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The present embodiment has been described in detail with reference to the drawings, but the present utility model is not limited to the above embodiment, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit.

Claims

1. A push pump, comprising:

a pump body assembly (100) having a mounting groove (101), an input channel (102) and an output channel (103), the pump body assembly (100) being capable of delivering liquid in a container bottle from the input channel (102) to the output channel (103);

the pressing head (200) is inserted into the mounting groove (101) and can move along the axial direction of the mounting groove (101), the pressing head (200) is provided with a liquid outlet channel (201) communicated with the output channel (103), and a gap (104) is formed between the pressing head (200) and the pump body assembly (100);

sealing member (300), including connecting portion (310), flexible portion (320) and sealing portion (330), the outside of flexible portion (320) with connecting portion (310) are connected, the inboard of flexible portion (320) with sealing portion (330) are connected, connecting portion (310) with pump body subassembly (100) are close to one end of pressing head (200) is connected, sealing portion (330) cover is located press head (200) and with press the laminating of the side of head (200), sealing portion (330) shelter from clearance (104).

2. The pressure pump as claimed in claim 1, characterized in that the connecting portion (310), the flexible portion (320) and the sealing portion (330) are of one-piece construction.

3. The pressure pump according to claim 1, characterized in that a gas-filling channel (105) is formed between the pump body assembly (100) and the sealing element (300), and the gas-filling channel (105) communicates with the gap (104).

4. A press pump according to claim 3, wherein the air supply channels (105) are provided with at least one, at least one of the air supply channels (105) being arranged in the circumferential direction of the pump body assembly (100).

5. The pressure pump according to claim 1, characterized in that a clamping structure is provided between the connecting portion (310) and the pump body assembly (100).

6. The press pump according to claim 5, characterized in that the clamping structure comprises a clamping groove (311) provided on the connecting portion (310) and a clamping portion (106) provided on the pump body assembly (100), and the clamping portion (106) is accommodated in the clamping groove (311).

7. The pressure pump according to claim 1, characterized in that the sealing part (330) is provided with a sealing plane (331), the sealing plane (331) being in abutment with a side face of the pressure head (200).

8. The press pump according to claim 7, wherein the sealing portion (330) is provided with a first sealing curved surface (332), one side of the first sealing curved surface (332) is connected to one side of the sealing plane (331), and the other side of the first sealing curved surface (332) is disposed to extend in a direction approaching the flexible portion (320).

9. The press pump according to claim 8, wherein the sealing portion (330) is provided with a second sealing curved surface (333), one side of the second sealing curved surface (333) is connected to one side of the sealing plane (331) away from the first sealing curved surface (332), and the other side of the second sealing curved surface (333) is provided to extend in a direction approaching the flexible portion (320).

10. The pressure pump of claim 1, wherein the connecting portion (310), the flexible portion (320) and the sealing portion (330) enclose a default groove (301).