CN220164623U - Liquid pressing pump and liquid container - Google Patents

Abstract

The utility model discloses a liquid pressing pump and a liquid container, wherein the liquid pressing pump comprises a cover, a pressing head and a main column, the cover is provided with a first through hole, and a first accommodating cavity is formed in the cover; the press head is provided with a connecting wall, the connecting wall is inserted into the cover through the first through hole, and when the press head is in a pressing state or a bouncing state, the connecting wall is abutted against the inner wall of the cover, wherein the press head and the connecting wall are integrally formed, and a second accommodating cavity is formed in the connecting wall; the lower extreme of principal post is located first accommodation chamber, and the upper end of principal post is located the second and holds the intracavity, and the upper end of principal post communicates with each other with the button and be connected. When a user presses the pressing head in an inclined direction or in a direction perpendicular to the pressing head, external pressure mainly acts on the abutting area of the connecting wall and the cover, so that the pressure transmitted to the main column by the connecting wall is reduced, the problem that the main column is damaged or even broken is avoided, the protection effect on the main column is realized, and the service life of the liquid pressing pump is effectively prolonged.

Description

Liquid pressing pump and liquid container

Technical Field

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

Background

The liquid pressure pump is one of the necessities of life, and is widely applied to a container for containing liquid such as bath lotion, body milk, detergent and the like, so that the liquid can be discharged from the container by utilizing the principle of pressing type liquid suction. In the conventional liquid pressing pump, a pressing head, a main column, a piston, a spring device, etc. are usually assembled, referring to fig. 1, in the related art, a connecting wall of the pressing head 2 is inserted into the main column 5, so as to form an assembly structure in which the main column 5 surrounds the connecting wall of the pressing head 2, and the main column 5 is always abutted against a waterproof sleeve 9 on a body. The user needs to press the button head to realize pressing and sucking liquid and discharging, when the user presses the button head 2 in an inclined pressing direction, the stress of the abutting position between the main column 5 and the waterproof sleeve 9 can be increased, and if the operation is performed for a long time, the joint of the main column 5 and the button head 2 is easily damaged or even broken, so that the service life of the liquid pressing pump is shortened.

Disclosure of Invention

The following is a summary of the subject matter described in detail herein. This summary is not intended to limit the scope of the claims. The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the embodiment of the utility model provides the liquid pressing pump and the liquid container, which can effectively prolong the service lives of the liquid pressing pump and the liquid container.

In a first aspect, an embodiment of the present utility model provides a liquid pressing pump, including a cover, a pressing head, and a main column, where the cover is provided with a first through hole, and a first accommodating cavity is formed inside the cover; the pressing head is provided with a connecting wall, the connecting wall is inserted into the cover through the first through hole, and when the pressing head is in a pressing state or a bouncing state, the connecting wall is abutted against the inner wall of the cover, wherein the pressing head and the connecting wall are integrally formed, and a second accommodating cavity is formed in the connecting wall; the lower end of the main column is positioned in the first accommodating cavity, the upper end of the main column is positioned in the second accommodating cavity, and the upper end of the main column is communicated and connected with the pressing head.

The liquid pressing pump according to the embodiment of the first aspect of the utility model has at least the following beneficial effects: the connecting wall of the button is inserted into the cover through the first through hole on the cover, no matter the button is in a pressing state or a bouncing state, the connecting wall is abutted against the inner wall of the cover, the upper end of the main column is positioned in a second accommodating cavity formed in the connecting wall, and the upper end of the main column is wrapped by the connecting wall. When a user presses the pressing head in an inclined direction or in a direction perpendicular to the pressing head, external pressure mainly acts on the abutting area of the connecting wall and the cover, so that the pressure transmitted to the main column by the connecting wall is reduced, the problem that the main column is damaged or even broken is avoided, the protection effect on the main column is realized, and the service life of the liquid pressing pump is effectively prolonged. Based on the liquid pressing pump provided by the utility model, the connecting wall of the pressing head is always abutted against the inner wall of the cover, and the main column is wrapped by the connecting wall, so that the damage of external acting force to the main column is reduced.

According to some embodiments of the first aspect of the utility model, the outer wall of the main column is provided with a first annular end face, and the first annular end face abuts against the lower end of the connecting wall.

According to some embodiments of the first aspect of the present utility model, a first annular fastening portion is provided at an upper end of the main column, and the first annular fastening portion is fastened to an inner wall of the connecting wall.

According to some embodiments of the first aspect of the present utility model, the device further comprises a housing and a locking piece, the housing wraps the main column, the upper end of the locking piece is fastened with the cover, the lower end of the locking piece is abutted against the inner side wall of the housing, a first annular protruding block is arranged on the side wall, away from the housing, of the locking piece, and when the push head is in a pressed state, the first annular protruding block is abutted against the first annular end face.

According to some embodiments of the first aspect of the present utility model, the device further comprises a spring device, wherein a second through hole is formed in the upper end of the spring device, the upper end of the spring device is connected with the lower end of the main column in a communicating manner through the second through hole, a pull rod is arranged in the spring device, and the pull rod can penetrate out of the second through hole and has a gap with the side wall of the second through hole.

According to some embodiments of the first aspect of the utility model, a plug is provided at an upper end of the pull rod, the plug being adapted to seal the second through hole as the pull rod moves downwardly relative to the spring means and the main column when the spring means is sprung.

According to some embodiments of the first aspect of the present utility model, a second annular fastening portion is provided at an upper end of the spring device, an outer side surface of the second annular fastening portion is connected with an inner side surface of a lower end of the main column, the second through hole is located inside the second annular fastening portion, a fastening ring protrudes outside the second annular fastening portion, and a fastening groove fastened with the fastening ring is provided on an inner wall of the lower end of the main column.

According to some embodiments of the first aspect of the present utility model, a second annular end surface is provided at an upper end of the spring device, the second annular end surface is located outside the second annular fastening portion, and the second annular end surface is used for pressing the lower end surface of the main column onto the second annular end surface along with the pressing of the pressing head when the main column is pressed down.

According to some embodiments of the first aspect of the present utility model, a third annular protrusion is provided at a position of the second annular end surface away from the second annular fastening portion, and the third annular protrusion is configured to abut against the first annular protrusion when the spring device is sprung.

In a second aspect, the present utility model also provides a liquid container comprising a liquid pressure pump as described in the first aspect.

The liquid container according to the embodiment of the second aspect of the present utility model has at least the following advantageous effects: by adopting the liquid pressing pump in the first aspect, when a user presses the pressing head in an inclined direction or a direction perpendicular to the pressing head, external pressure mainly acts on the abutting area of the connecting wall and the cover, so that the pressure transmitted to the main column by the connecting wall is reduced, the problem that the main column is damaged or even broken is avoided, the protection effect on the main column is realized, and the service life of the liquid container is effectively prolonged.

Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate and do not limit the utility model.

FIG. 1 is a partial cross-sectional view of a conventional liquid pressure pump of the prior art in a sprung-head state;

FIG. 2 is a cross-sectional view of a liquid pressure pump according to an embodiment of the present utility model in a sprung-head state;

FIG. 3 is a cross-sectional view of a liquid pressure pump provided in another embodiment of the present utility model in a push-down state;

FIG. 4 is a perspective view of a liquid pressure pump provided in accordance with another embodiment of the present utility model;

fig. 5 is a schematic structural view of a seal seat according to another embodiment of the present utility model.

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, the description of the first and second is only for the purpose of distinguishing technical features, and should not be construed as indicating or implying relative importance or implying the number of technical features indicated or 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.

Embodiments of the present utility model will be further described below with reference to the accompanying drawings.

Referring to fig. 2, 3 and 4, the liquid pressing pump provided in the embodiment of the present utility model includes a cap 100, a button head 200 and a main column 300, the cap 100 being provided with a first through hole, the interior of the cap 100 forming a first receiving chamber; the press head 200 is provided with a connecting wall 210, the connecting wall 210 is inserted into the cover 100 through the first through hole, when the press head 200 is in a pressed state or a sprung state, the connecting wall 210 is abutted against the inner wall of the cover 100, wherein the press head 200 and the connecting wall 210 are integrally formed, and a second accommodating cavity is formed in the connecting wall 210; the lower end of the main column 300 is located in the first receiving chamber, the upper end of the main column 300 is located in the second receiving chamber, and the upper end of the main column 300 is connected to the button head 200.

It should be noted that, the embodiment of the utility model is not limited to the specific material and specific processing technology of the liquid pressing pump, and may be all plastic material, or plastic, metal material, etc. The liquid pressing pump may be integrally injection molded, or may be formed by assembling a plurality of structures after injection molding the structures. The present utility model is not limited to the specific structure of the cap 100, and may be a screw type cap 100 or a snap type cap 100, and it is understood that the friction between the cap 100 and the container bottle can be increased by using the screw type cap 100, so that the cap 100 can be more stably fixed in the container bottle.

In addition, the embodiment of the present utility model is not limited to the specific shape of the main column 300, and may be a cylinder, a stepped column, or the like. It can be appreciated that the main column 300 is a stepped column, and can be better attached to the cover 100 and the connection wall 210, so as to increase the space inside the main column 300, so that more liquid can be stored in the main column 300, and meanwhile, friction force between the main column 300 and the cover 100 and between the main column 300 and the connection wall 210 can be increased, the main column 300 is prevented from falling off, and the reliability of the liquid pressing pump can be improved.

It will be appreciated that the connection wall 210 of the button head 200 is inserted into the cover 100 through the first through hole of the cover 100, the connection wall 210 abuts against the inner wall of the cover 100 no matter the button head 200 is in the pressed state or the sprung state, the upper end of the main column 300 is located in the second receiving cavity formed inside the connection wall 210, and the upper end of the main column 300 is wrapped inside by the connection wall 210. When the user presses the button head 200 in an inclined direction or in a direction perpendicular to the button head 200, external pressure mainly acts on the contact area between the connecting wall 210 and the cover 100, so as to reduce the pressure transmitted to the main column 300 by the connecting wall 210, avoid the problem of damage or even breakage of the main column 300, realize the protection of the main column 300, and effectively prolong the service life of the liquid button pump. Based on the liquid pressing pump provided by the utility model, the connecting wall 210 of the pressing head 200 is always abutted against the inner wall of the cover 100, and the main column 300 is wrapped by the connecting wall 210, so that the damage of external acting force to the main column 300 is reduced.

In some embodiments of the present utility model, the outer wall of the main column 300 is provided with a first annular end surface 310, and the first annular end surface 310 abuts against the lower end of the connection wall 210.

It will be appreciated that the connecting wall 210 of the button 200 abuts against the first annular end surface 310 of the main column 300, and when the button 200 is subjected to external pressure, the button 200 is depressed, the connecting wall 210 transmits the pressure to the first annular end surface 310, so that the main column 300 moves downward along with the button 200, so that the liquid in the main column 300 is pumped out through the button 200 along with the change of the pressure. The first annular end surface 310 is arranged on the outer wall of the main column 300 to increase the stressed area, so that the damage of external acting force to the main column 300 is reduced, and the service life of the liquid pressing pump is prolonged.

In some embodiments of the present utility model, the upper end of the main column 300 is provided with a first annular fastening portion 320, and the first annular fastening portion 320 is fastened to the inner wall of the connecting wall 210.

It can be appreciated that the main column 300 is fastened to the connection wall 210 through the first annular fastening portion 320, so that the main column 300 and the pressing head 200 can be prevented from being separated from each other in the up-and-down movement process, and the main column 300 and the pressing head 200 are ensured to be firmly connected, thereby improving the reliability of the liquid pressing pump.

In some embodiments of the present utility model, the lock further comprises a housing 400 and a locking member 500, wherein the housing 400 wraps the main column 300, the upper end of the locking member 500 is buckled with the cover 100, the lower end of the locking member 500 is abutted against the inner side wall of the housing 400, the side wall of the locking member 500 away from the housing 400 is provided with a first annular protrusion 510, and when the button 200 is in a pressed state, the first annular protrusion 510 is abutted against the first annular end surface 310.

It should be noted that, the embodiment of the present utility model is not limited to the specific shape and size of the first annular protrusion 510, and the first annular protrusion 510 can cooperate with the first annular end surface 310 to achieve the up-down abutting effect.

It can be appreciated that the upper end of the latch 500 is fastened to the cover 100, so that the latch 500 is firmly connected to the cover 100, and the latch 500 is prevented from falling off. The lower extreme of hasp spare 500 and the inside wall butt of shell 400, the lateral wall that hasp spare 500 kept away from shell 400 is equipped with first annular lug 510, is in the state of pushing down when pressing head 200, and first annular terminal surface 310 is along with the principal post 300 for the downward motion of hasp spare 500 for first annular terminal surface 310 butt is in first annular lug 510, with restriction pressing head 200 down the high degree, avoid appearing external pressure and excessively extrude principal post 300, lead to principal post 300 impaired or cracked condition, can effectively prolong the life of liquid pressing pump.

In some embodiments of the present utility model, a waterproof jacket 600 may be further included, one end of the waterproof jacket 600 being inserted into a gap between the connection wall 210 and the locker 500, and the other end of the waterproof jacket 600 being inserted into a gap between the cover 100 and the locker 500.

It will be appreciated that one end of the waterproof jacket 600 is inserted into the gap between the connection wall 210 and the locker 500, and the other end of the waterproof jacket 600 is inserted into the gap between the cover 100 and the locker 500, forming a closed space. When the button 200 moves up and down with respect to the cover 100, external liquid and foreign matters can be prevented from entering the body through the gap between the locking member 500 and the button 200, thereby avoiding contamination of the liquid in the body.

In some embodiments of the present utility model, the spring device 700 further includes a second through hole 710 provided at an upper end of the spring device 700, the upper end of the spring device 700 is connected to a lower end of the main column 300 through the second through hole 710, a pull rod 720 is provided inside the spring device 700, and the pull rod 720 can pass through the second through hole 710 and has a gap with a side wall of the second through hole 710.

The material of the spring device 700 is not limited in the embodiment of the utility model, and may be a metal spring, a plastic spring, or the like. It can be appreciated that the spring device 700 is made of plastic, so that the spring device 700 can be prevented from being corroded by liquid while the elastic performance of the spring device 700 is ensured, and the service life of the spring device 700 is effectively prolonged.

It will be appreciated that the upper end of the spring device 700 is provided with a second through hole 710, and the upper end of the spring device 700 is connected to the lower end of the main column 300 through the second through hole 710, so that the liquid can flow from the spring device 700 into the main column 300. The inside of the spring device 700 is provided with a pull rod 720, the pull rod 720 can penetrate out from the second through hole 710 and a gap exists between the pull rod 720 and the side wall of the second through hole 710, the pull rod 720 is arranged corresponding to the second through hole 710, when the spring device 700 is pressed down, the pull rod 720 can penetrate out from the second through hole 710 and a gap exists between the pull rod 720 and the side wall of the second through hole 710, and therefore liquid in the spring device 700 can flow into the main column 300 through the gap existing between the pull rod 720 and the side wall of the second through hole 710.

It can be appreciated that the lower end of the spring device 700 is connected with the suction pipe 800, and the lower end of the spring device 700 is connected with the suction pipe 800 in a communication manner, when the spring device 700 is sprung up, the liquid in the container bottle enters the suction pipe 800 along with the pressure change, so that the liquid in the suction pipe 800 can flow into the main column 300 through the spring device 700, and the stable and smooth liquid conveying is ensured. When the button 200 is in the depressed state, the liquid in the suction pipe 800 sequentially flows through the spring device 700, the second through hole 710 and the main column 300, and finally is pumped out of the button 200.

In some embodiments of the present utility model, a plug 721 is provided at the upper end of the pull rod 720, and the plug 721 is used to seal the second through hole 710 as the pull rod 720 moves downward with respect to the spring device 700 and the main column 300 when the spring device 700 is sprung.

It should be noted that, the embodiment of the present utility model is not limited to the specific structure type and specific material of the plug 721, and the structure type of the plug 721 may be an inverted cone structure, a square structure, a spherical structure, or the like. It can be appreciated that the plug 721 having the inverted cone structure can be more fit to the second through hole 710, so as to effectively improve the sealing performance. The plug 721 may be made of rubber or elastic plastic. It can be appreciated that the plastic material is not easily corroded and decomposed, and the plug 721 is made of elastic plastic material, so that the service life of the plug 721 can be prolonged while the sealing stability of the plug 721 is ensured.

It can be appreciated that when the spring device 700 is sprung, the plug 721 moves downward along with the pull rod 720 relative to the spring device 700 and the main column 300, presses the second through hole 710 from above, seals the second through hole 710, and prevents the liquid in the spring device 700 from flowing to the main column 300 through the second through hole 710 when the container bottle is deformed by pressing, thereby preventing the liquid in the main column 300 from being pumped out from the pressing head 200, and effectively improving the reliability of the liquid pressing pump. The stopper 721 is pressed against the second through hole 710, and is capable of pulling down the spring device 700 and the main column 300 to slow down the bouncing speed of the spring device 700 and the main column 300, so as to reduce abrasion, thereby effectively prolonging the service life of the liquid pressing pump.

In some embodiments of the present utility model, the upper end of the spring device 700 is provided with a second annular fastening portion 730, the outer side surface of the second annular fastening portion 730 is connected with the inner side surface of the lower end of the main column 300, the second through hole 710 is located inside the second annular fastening portion 730, the outer side of the second annular fastening portion 730 protrudes with a fastening ring 731, and the inner wall of the lower end of the main column 300 is provided with a fastening groove 330 fastened with the fastening ring 731.

It can be appreciated that the outer side surface of the second annular fastening portion 730 is connected with the inner side surface of the lower end of the main column 300, so that the spring device 700 can be effectively prevented from being shifted horizontally, and the spring device 700 is more stably fixed in the housing 400. The second through hole 710 is located inside the second annular fastening portion 730, so as to ensure that the liquid in the spring device 700 smoothly flows into the main column 300 through the second through hole 710. The outside of the second annular fastening part 730 protrudes with a fastening ring 731, and the inner wall of the lower end of the main column 300 is provided with a fastening groove 330 fastened with the fastening ring 731, and the fastening ring 731 and the fastening groove 330 are fastened with each other, so that the connection stability of the spring device 700 and the main column 300 can be effectively ensured.

In some embodiments of the present utility model, the upper end of the spring device 700 is provided with a second annular end surface 740, the second annular end surface 740 is located outside the second annular fastening portion 730, and the second annular end surface 740 is used for pressing the lower end surface of the main column 300 against the second annular end surface 740 when the button 200 is pressed down, along with the pressing down of the main column 300 by the button 200.

It will be appreciated that the upper end of the spring device 700 is provided with a second annular end surface 740, the second annular end surface 740 is located outside the second annular fastening portion 730, and when the button head 200 is in the pressed-down state, the main column 300 is pressed down with the button head 200, and the lower end surface of the main column 300 is pressed against the second annular end surface 740, so that the pressure of the main column 300 is more uniformly transferred to the spring device 700.

It will be appreciated that when the button 200 is in the depressed state, since the upper end of the main column 300 abuts against the connecting wall 210 of the button 200, external pressure is transmitted to the main column 300 through the connecting wall 210, and the lower end of the main column 300 abuts against the second annular end surface 740 of the spring device 700, pressure applied to the main column 300 is transmitted to the spring device 700, so that the spring device 700 is depressed to form a pressure difference, and thus liquid is pumped out of the button 200 along with the pressure difference. When the external force applied to the push head 200 disappears, the spring device 700 pushes up the push head 200 and the main column 300 upwards, the spring height of the main column 300 and the spring device 700 can be limited through the connecting wall 210 of the push head 200, and meanwhile, the spring device 700 can be prevented from sliding or being excessively large in spring amplitude to cause the position deviation of the spring device 700, so that the spring device 700 is ensured to be fixed in the shell 400, and the normal use of the liquid pressing pump is ensured.

In some embodiments of the present utility model, a third annular protrusion 750 is disposed on the second annular end surface 740 at a position away from the second annular fastening portion 730, and the third annular protrusion 750 is configured to abut the third annular protrusion 750 against the first annular protrusion 510 when the spring device 700 is sprung.

It should be noted that, the embodiment of the present utility model is not limited to the specific shape and size of the third annular bump 750, and the third annular bump 750 can cooperate with the first annular bump 510 to achieve the up-down abutting effect.

It can be appreciated that the second annular end surface 740 is provided with a third annular protrusion 750 at a position far away from the second annular fastening portion 730, the third annular protrusion 750 is used for abutting against the first annular protrusion 510 when the spring device 700 is sprung, when the external force is lost, the spring device 700 is sprung up, so that the third annular protrusion 750 abuts against the first annular protrusion 510, and the first annular protrusion 510 reacts against the third annular protrusion 750 to limit the spring device 700 from being sprung up to prevent the main column 300 and the pressing head 200 from being damaged due to the too high spring device 700.

It can be appreciated that when an external force acts on the push head 200, the push head 200 pushes down and transfers the pressure to the main column 300 and the spring device 700 in sequence, and the spring device 700 pushes down, so that the first annular bump 510 abuts against the second annular bump, so as to limit the push head 200 to push down the height, avoid the situation that the spring device 700 is damaged or broken due to excessive push down of the spring device 700, and effectively prolong the service life of the liquid push pump.

In some embodiments of the present utility model, the liquid pressing pump may further include a first check valve 900 and a second check valve 1000, the first check valve 900 being disposed between the spring device 700 and the suction pipe 800, and the second check valve 1000 being disposed between the main column 300 and the pressing head 200.

It can be appreciated that the first one-way valve 900 is disposed between the spring device 700 and the suction pipe 800, so as to prevent the liquid of the spring device 700 from flowing back into the suction pipe 800, and the second one-way valve 1000 is disposed between the main column 300 and the push head 200, so as to prevent the liquid of the push head 200 from flowing back into the main column 300. The first check valve 900 and the second check valve 1000 are provided, so that the liquid in the container bottle can only pass through the spring device 700 and the main column 300 from the suction pipe 800 in sequence, and finally be pumped out from the pressing head 200, thereby avoiding liquid backflow, and enabling the liquid pressing pump to pump out the liquid smoothly.

Referring to fig. 5, in some embodiments of the present utility model, a sealing seat 1100 for sealing and connecting the spring device 700 and the housing 400 is provided between them, a lower end of a pull rod 720 is fixed on the sealing seat 1100, a bottom cavity 1110 is provided at the bottom of the sealing seat 1100, a third through hole 1120 for communicating the spring device 700 with the bottom cavity 1110 is provided on the sealing seat 1100, and the bottom cavity 1110 is communicated with an inlet of the housing 400.

It can be appreciated that the sealing seat 1100 for sealing and connecting the spring device 700 and the housing 400 is provided between them, the lower end of the pull rod 720 is fixed on the sealing seat 1100, the lower end of the spring device 700 is sealed by the sealing seat 1100, so that the liquid in the spring device 700 is prevented from flowing out of the housing 400, and meanwhile, the pull rod 720 can be fixed. The bottom of the sealing seat 1100 is provided with a bottom cavity 1110, the sealing seat 1100 is provided with a third through hole 1120 for communicating the spring device 700 and the bottom cavity 1110, and the bottom cavity 1110 is communicated with the inlet of the housing 400, so that the liquid in the suction pipe 800 can smoothly enter the spring device 700 through the third through hole.

In some embodiments of the present utility model, a sealing groove 1130 into which the lower end of the spring device 700 is inserted is provided on the sealing seat 1100, the lower end surface of the spring device 700 is pressed against the groove bottom of the sealing groove 1130 and is in sealing fit with the groove bottom of the sealing groove 1130, under the spring force of the spring device 700, the bottom surface of the sealing seat 1100 is tightly fit to the bottom of the inner cavity of the housing 400, and a sealing space is formed between the bottom surface of the sealing seat 1100 and the bottom of the inner cavity of the housing 400.

It will be appreciated that the seal seat 1100 is provided with a seal groove 1130 into which the lower end of the spring device 700 is inserted, so that the lower end surface of the spring device 700 is pressed against the groove bottom of the seal groove 1130 and sealingly engages with the groove bottom of the seal groove 1130. Under the spring force of the spring device 700, the bottom surface of the sealing seat 1100 is tightly attached to the bottom of the inner cavity of the housing 400, and a sealing space is formed between the bottom surface of the sealing seat 1100 and the bottom of the inner cavity of the housing 400. The spring device 700 is in compression states with different degrees in the pressing and bouncing processes, the sealing seat 1100 is always pressed against the bottom of the inner cavity of the shell 400, the sealing seat 1100 is always in sealing connection with the shell 400, the lower end face of the spring device 700 is always pressed on the bottom of the sealing groove 1130, the sealing performance between the spring device 700 and the shell 400 can be ensured, and meanwhile, the position offset of the spring device 700 and the sealing seat 1100 can be avoided.

The embodiment of the utility model also provides a liquid container which comprises the liquid pressing pump.

As can be appreciated, the liquid pressing pump includes a cap 100, a button 200, and a main column 300, the cap 100 being provided with a first through hole, the interior of the cap 100 forming a first receiving chamber; the press head 200 is provided with a connecting wall 210, the connecting wall 210 is inserted into the cover 100 through the first through hole, when the press head 200 is in a pressed state or a sprung state, the connecting wall 210 is abutted against the inner wall of the cover 100, wherein the press head 200 and the connecting wall 210 are integrally formed, and a second accommodating cavity is formed in the connecting wall 210; the lower end of the main column 300 is located in the first receiving chamber, the upper end of the main column 300 is located in the second receiving chamber, and the upper end of the main column 300 is connected to the button head 200. When the user presses the button head 200 in an inclined direction or in a direction perpendicular to the button head 200, external pressure mainly acts on the contact area between the connecting wall 210 and the cover 100, so as to reduce the pressure transmitted to the main column 300 by the connecting wall 210, avoid the problem of damage or even breakage of the main column 300, realize the protection of the main column 300, and effectively prolong the service life of the liquid container.

It will be appreciated that the liquid in the liquid container may be, without limitation, a shampoo, a conditioner, a body wash, a hand cleanser, various cosmetic emulsions, a medicinal liquid, a seasoning, a liquid food, and the like.

It will be appreciated that the liquid container may also include a bottle provided with an opening through which the liquid pressure pump is inserted into the bottle so that liquid in the liquid container is pumped out through the liquid pressure pump.

It will be appreciated that the liquid container may also include a canister or a bag to hold the liquid, without limitation.

While the preferred embodiment of the present utility model has been described in detail, the present utility model is not limited to the above embodiment, and various equivalent modifications and substitutions can be made by those skilled in the art without departing from the spirit of the present utility model, and these equivalent modifications and substitutions are intended to be included in the scope of the present utility model as defined in the appended claims.

Claims (10)

1. The liquid pressing pump is characterized by comprising a cover, a pressing head and a main column, wherein the cover is provided with a first through hole, and a first accommodating cavity is formed in the cover; the pressing head is provided with a connecting wall, the connecting wall is inserted into the cover through the first through hole, and when the pressing head is in a pressing state or a bouncing state, the connecting wall is abutted against the inner wall of the cover, wherein the pressing head and the connecting wall are integrally formed, and a second accommodating cavity is formed in the connecting wall; the lower end of the main column is positioned in the first accommodating cavity, the upper end of the main column is positioned in the second accommodating cavity, and the upper end of the main column is communicated and connected with the pressing head.

2. The liquid pressure pump as claimed in claim 1, wherein the outer wall of the main column is provided with a first annular end face, and the first annular end face abuts against the lower end of the connecting wall.

3. The liquid pressing pump according to claim 1, wherein a first annular fastening portion is provided at an upper end of the main column, and the first annular fastening portion is fastened to an inner wall of the connecting wall.

4. The liquid pressing pump according to claim 2, further comprising a housing and a locking piece, wherein the housing wraps the main column, an upper end of the locking piece is fastened with the cover, a lower end of the locking piece is abutted against an inner side wall of the housing, a first annular protruding block is arranged on a side wall, away from the housing, of the locking piece, and when the pressing head is in a pressed state, the first annular protruding block is abutted against the first annular end face.

5. The liquid pressure pump as claimed in claim 4, further comprising a spring device, wherein a second through hole is provided at an upper end of the spring device, the upper end of the spring device is connected to a lower end of the main column through the second through hole, a pull rod is provided inside the spring device, and the pull rod can pass through the second through hole and has a gap with a side wall of the second through hole.

6. The liquid pressure pump as claimed in claim 5, wherein a stopper is provided at an upper end of the pull rod for sealing the second through hole as the pull rod moves downward with respect to the spring device and the main column when the spring device is sprung.

7. The liquid pressing pump according to claim 5, wherein a second annular buckling part is arranged at the upper end of the spring device, the outer side face of the second annular buckling part is connected with the inner side face of the lower end of the main column, the second through hole is positioned at the inner side of the second annular buckling part, a buckling ring protrudes out of the outer side of the second annular buckling part, and a buckling groove buckled with the buckling ring is formed in the inner wall of the lower end of the main column.

8. The liquid pressing pump according to claim 7, wherein the upper end of the spring means is provided with a second annular end surface located outside the second annular fastening portion, the second annular end surface being configured such that, when the pressing head is pressed down, the main column is pressed down with the pressing head, and the lower end surface of the main column is pressed against the second annular end surface.

9. The liquid pressure pump of claim 8, wherein a third annular projection is provided on the second annular end surface at a position away from the second annular fastening portion, the third annular projection being adapted to abut the first annular projection when the spring means is sprung.

10. A liquid container, comprising: a liquid pressure pump as claimed in any one of claims 1 to 9.