CN116037347A

CN116037347A - Press pump

Info

Publication number: CN116037347A
Application number: CN202310205655.1A
Authority: CN
Inventors: 赖勇南
Original assignee: Shantou Youli Plastic Packaging Co ltd
Current assignee: Shantou Youli Plastic Packaging Co ltd
Priority date: 2023-03-06
Filing date: 2023-03-06
Publication date: 2023-05-02

Abstract

The invention discloses a pressing pump which comprises a pressing head, a shell, a main pipe fitting, a lock sleeve and a telescopic spring, wherein a liquid outlet channel is arranged in the pressing head, and the pressing head is connected with the main pipe fitting; the lock sleeve is arranged in the shell, the end part of the shell is fixedly connected with the lock sleeve, and the main pipe piece passes through the lock sleeve and is arranged in the shell; the end part of the main pipe fitting is connected with a pair of pipe fittings, the two pipe fittings can be connected through clamping or threads, the telescopic spring is sleeved outside the main pipe fitting, and one end of the telescopic spring is abutted with the pair of pipe fittings; an upper elastic piece is arranged between the pressing head and the main pipe piece, and a lower elastic piece is arranged at one end, far away from the pressing head, in the shell. The technical scheme adopts the external telescopic spring, avoids the contact of liquid with the spring in the extrusion process, adopts the upper elastic piece and the lower elastic piece to replace the steel ball type one-way valve body, has simple specific structure and stable function, is convenient to install, and is clean and sanitary.

Description

Press pump

Technical Field

The invention relates to the field of packaging equipment or pump equipment, in particular to a pressing pump.

Background

The pressing pump is usually used for being matched with a container of liquid such as shampoo, bath foam and the like, a user extrudes the liquid in the container by operating the pressing pump, and the common pressing pump comprises a pump body, a valve rod arranged in the pump body and a one-way valve.

On the one hand, when the existing pressing pump is used for pressing, liquid to be pressed contacts the metal spring when being transported from bottom to top, and the extruded liquid is unhygienic due to the fact that the metal spring is easy to rust; on the other hand, when the steel ball type one-way valve is adopted, the steel ball can be contacted with the liquid to be extruded, and the problem of insanitation exists; further, the steel balls fall back to block the transmission cavity based on the action of gravity, so that the structure can not be used for extruding liquid under the state that the container is horizontally placed.

Based on the problems existing in the prior art, the existing pressing pump cannot meet market demands more and more, and improvement on the pressing pump is needed.

Disclosure of Invention

The invention aims to overcome the defects of the prior art, and provides a pressing pump which adopts an external telescopic spring, avoids liquid from contacting with the spring in the extrusion process, adopts an upper elastic piece and a lower elastic piece to replace a steel ball type one-way valve body, and has the advantages of simple specific structure, convenience in installation, stable function, cleanness and sanitation. The method is realized by the following technical scheme:

the pressing pump comprises a pressing head, a shell, a main pipe fitting, a lock sleeve and a telescopic spring, wherein a liquid outlet channel is arranged in the pressing head, and the pressing head is connected with the main pipe fitting; the lock sleeve is arranged in the shell, the end part of the shell is fixedly connected with the lock sleeve, and the main pipe piece passes through the lock sleeve and is arranged in the shell; the end part of the main pipe fitting is connected with a pair of pipe fittings, the two pipe fittings can be connected through clamping or threads, the telescopic spring is sleeved outside the main pipe fitting, and one end of the telescopic spring is abutted with the pair of pipe fittings; an upper elastic piece is arranged between the pressing head and the main pipe piece, and a lower elastic piece is arranged at one end, far away from the pressing head, in the shell.

Preferably, the lower elastic piece comprises a frame seat, a sheet body and a plurality of elastic ribs, wherein the sheet body is positioned in the middle of the lower elastic piece, and the elastic ribs are used for connecting the sheet body with the frame seat. Preferably, the sheet is circular and has a diameter larger than the diameter of the circular cross section of the tubular cavity at the lower part of the housing, so that the tubular cavity at the lower part of the housing can be plugged when the sheet is pressed downwards, and the liquid can flow out of the liquid outlet channel conveniently.

Preferably, the upper elastic member is a plastic spring.

Preferably, the outer edge of the auxiliary pipe fitting is in contact with the inner wall of the housing, and the auxiliary pipe fitting is in sliding fit with the housing. The auxiliary pipe fitting and the shell form a piston structure, a first chamber is formed between the auxiliary pipe fitting and the lower elastic piece, an extrusion pipe is arranged at the end part of the auxiliary pipe fitting, and the bottom of the extrusion pipe can be contacted with the lower elastic piece in the pressing process.

Preferably, the outer wall of the main pipe fitting, which is close to one end of the pressing head, is provided with external threads, and the inner wall of the lock sleeve, which is close to one end of the pressing head, is provided with internal threads matched with the external threads. So constitute locking structure, when main pipe fitting and lock sleeve pass through threaded connection, both can't take place relative motion, aim at: when the product matched with the pressing pump and the container is not used, the pressing pump cannot squeeze out the liquid by pressing, so that the liquid is prevented from being exposed in the transportation process; before the first use, the user needs to release the threaded connection between the main pipe fitting and the lock sleeve, so that the main pipe fitting and the lock sleeve can move relatively, and the pressing action can be performed.

Preferably, the pressing head comprises a first liquid outlet pipe and a second liquid outlet pipe which are communicated, and the first liquid outlet pipe of the pressing head is connected with the main pipe. Specifically, the main pipe fitting is sleeved or clamped with the first liquid outlet pipe, so that the main pipe fitting and the first liquid outlet pipe are fixedly connected and can move up and down together; further, the upper elastic piece is located in the main pipe, a supporting table is arranged in the main pipe, and the upper elastic piece is located between the first liquid outlet pipe and the supporting table.

Preferably, a vent is provided on the housing.

Preferably, one end of the lock sleeve, which is far away from the pressing head, is provided with a plurality of notches, and the notches are communicated with the air vent.

Preferably, the pump cover is arranged outside the lock sleeve, and is supported on the shoulder.

Compared with the prior art, the invention has the following beneficial effects:

(1) The external telescopic spring of this technical scheme adopts, the outside of main pipe fitting is located to telescopic spring cover, avoids liquid and spring contact in extrusion process for this device is clean health when using, can satisfy the quality demand of high standard.

(2) The technical scheme does not adopt a conventional one-way valve body, but adopts an upper elastic piece and a lower elastic piece to replace the conventional one-way valve body, and the sheet body of the valve body can play a role in blocking, has a function similar to that of a steel ball of the one-way valve body, but avoids the problem that the one-way valve body in the prior art cannot work when a container is horizontally placed.

(3) Compared with the prior art, the technical scheme has ingenious design, fewer structural parts, more convenient installation and lower cost.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention and together with the description serve to explain the invention.

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is one of the overall construction views of a press pump of the present invention;

FIG. 2 is a second overall construction diagram of the pressing pump of the present invention;

FIG. 3 is a partial block diagram of a press pump according to the present invention;

FIG. 4 is one of the exploded views of the construction of the press pump of the present invention;

FIG. 5 is a second exploded view of the structure of the press pump of the present invention;

fig. 6 is a sectional view of the press pump of the present invention in an unpressed state;

fig. 7 is a sectional view of the pressing pump of the present invention in a pressed state;

FIG. 8 is a block diagram of a lower elastic member of the press pump of the present invention;

FIG. 9 is a block diagram of a lock sleeve of the press pump of the present invention;

fig. 10 is a structural view of an upper elastic member of the press pump of the present invention.

Reference numerals illustrate:

1 pressing head, 11 first liquid outlet pipe, 12 second liquid outlet pipe, 2 shell, 21 vent, 22 shoulder, 3 main pipe fitting, 31 external screw thread, 4 auxiliary pipe fitting, 41 extrusion pipe, 5 lock sleeve, 51 internal screw thread, 52 notch, 6 pump cover,

The device comprises a telescopic spring 7, an upper elastic piece 8, a frame seat 81, an elastic rib 82, a stop block 83, a lower elastic piece 9, a frame seat 91, a sheet body 92, an elastic rib 93, a first chamber 10 and a second chamber 100.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present invention are within the protection scope of the present invention.

In the description of the present invention, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

In a preferred embodiment of the invention, a pressing pump comprises a pressing head 1, a shell 2, a main pipe piece 3, a lock sleeve 5 and a telescopic spring 7, wherein a liquid outlet channel is arranged in the pressing head 1, and the pressing head 1 is connected with the main pipe piece 3; the lock sleeve 5 is arranged in the shell 2, the end part of the shell 2 is fixedly connected with the lock sleeve 5, and the main pipe 3 passes through the lock sleeve 5 and is arranged in the shell 2; the end part of the main pipe fitting 3 is connected with a pair of pipe fittings 4, the two pipe fittings can be connected through clamping or threads, and the like, the telescopic spring 7 is sleeved outside the main pipe fitting 3, and one end of the telescopic spring 7 is abutted with the pair of pipe fittings 4; an upper elastic piece 8 is arranged between the pressing head 1 and the main pipe piece 3, and a lower elastic piece 9 is arranged at one end, far away from the pressing head 1, of the shell 2.

Specifically, the end of the housing 2 remote from the pressing head 1 is provided with a boss on which the lower elastic member 9 is mounted.

In this embodiment, the lower elastic member 9 includes a frame 91, a sheet 92, and a plurality of elastic ribs 93, the sheet 92 is located in the middle of the lower elastic member 9, and the elastic ribs 93 connect the sheet 92 with the frame 91. The sheet 92 is preferably circular and has a diameter greater than the diameter of the circular cross section of the tubular cavity in the lower portion of the housing 2 so that the tubular cavity in the lower portion of the housing 2 can be plugged when pressed downwardly to facilitate the flow of liquid from the liquid outlet passage

In this embodiment, the upper elastic member 8 is a plastic spring, and the plastic spring includes a frame seat 81, an elastic rib 82, and a stop 83, where the frame seat and the stop are connected by the elastic rib, and the elastic rib has a resilience after being pressed.

In this embodiment, the outer edge of the secondary pipe 4 is in contact with the inner wall of the housing 2, and the secondary pipe 4 is in sliding engagement with the housing 2. The auxiliary pipe fitting 4 and the shell 2 form a piston structure, a first chamber 10 is formed between the auxiliary pipe fitting 4 and the lower elastic piece 9, an extrusion pipe is arranged at the end part of the auxiliary pipe fitting 4, and the bottom of the extrusion pipe can be contacted with the lower elastic piece 9 in the pressing process.

In this embodiment, the outer wall of the main pipe 3 near one end of the pressing head 1 is provided with an external thread 31, the inner wall of the lock sleeve 5 near one end of the pressing head 1 is provided with an internal thread 51 matched with the external thread 31, thus forming a locking structure, when the main pipe 3 and the lock sleeve 5 are connected through threads, the main pipe 3 and the lock sleeve 5 cannot move relatively, and the purpose is that: when the product matched with the pressing pump and the container is not used, the pressing pump cannot squeeze out the liquid by pressing, so that the liquid is prevented from being exposed in the transportation process; before the first use by the user, the threaded connection between the main pipe 3 and the lock sleeve 5 is released, so that the main pipe and the lock sleeve can move relatively, and the pressing action can be performed.

In this embodiment, the pressing head 1 includes a first liquid outlet pipe 11 and a second liquid outlet pipe 12 that are in communication, and the first liquid outlet pipe 11 of the pressing head 1 is connected to the main pipe 3. Specifically, the main pipe 3 is sleeved or clamped with the first liquid outlet pipe 11, so that the main pipe and the first liquid outlet pipe are fixedly connected and can move up and down together; further, the upper elastic member 8 is located in the main pipe 3, and a supporting table is disposed in the main pipe 3, and the upper elastic member 8 is located between the first liquid outlet pipe 11 and the supporting table.

The upper elastic piece 8 is directly obtained from the prior art, the upper elastic piece 8 is provided with a stop block, the stop block can block the channel of the main pipe fitting 3 under certain states, the stop block can be specifically arranged to be conical, and for better blocking effect, the upper opening of the main pipe fitting 3 is also arranged to be conical, so that the upper opening and the upper opening can achieve better attaching effect, and sealing can be achieved.

In this embodiment, the housing 2 is provided with a vent 21. The number of the vents 21 may be plural.

In this embodiment, a plurality of notches 52 are provided at one end of the lock sleeve 5 far from the pressing head 1, and the notches 52 are communicated with the air vent 21; a second chamber 100 is formed between the housing 2 and the lock sleeve 5 to ensure that the air pressure of the second chamber 100 is communicated with the outside.

In this embodiment, the pump cover 6 is further provided with a shoulder 22 on the outside of the housing 2, and the pump cover 6 is provided on the outside of the lock sleeve 5 and is supported on the shoulder 22. The pump cover 6 is internally provided with threads, and when the pump cover is matched with the container, the pump cover 6 and the container are in threaded connection.

The working principle of the technical scheme is as follows: the pressing pump of the technical proposal is arranged on a container (such as a shampoo bottle), is connected with the mouth of the container through a pump cover 6 in a threaded manner, the lowest end of the shell 2 is connected with a conduit, and the conduit extends into the container; when the pressing head 1 of the device is pressed downwards, the telescopic spring 7 is compressed, the pressure in the first chamber 10 is increased, the sheet body 92 of the lower elastic piece 9 closes the channel of the shell 2, liquid does not enter the pump body from the container, and air in the first chamber 10 can flow into the main pipe fitting due to extrusion, so that the upper elastic piece 8 is extruded, the stop block of the upper elastic piece 8 is sprung upwards, and the upper elastic piece 8 does not block the main pipe fitting 3 any more; when the pressing head 1 of the device stops being pressed downwards, the pressing head 1 moves upwards under the action of the telescopic spring 7, at the moment, negative pressure is formed in the first chamber 10, the lower elastic piece 9 is propped open, the container is communicated with the first chamber 10, and liquid enters the first chamber 10 from the container under the action of the negative pressure; after repeated pressing several times, the first chamber 10 is stored with liquid, or is filled with liquid; in this case, when the pressing head 1 of the device is continuously pressed downwards, the liquid moves upwards under the pressure of the auxiliary pipe 4, enters the main pipe 3, after the upper elastic piece 8 is extruded, the stop block of the upper elastic piece 8 is sprung upwards, the upper elastic piece 8 does not block the main pipe 3 any more, and the main pipe 3 is communicated with the first liquid outlet pipe 1 of the pressing head 1, so that the liquid is extruded after passing through the first liquid outlet pipe 11 and the second liquid outlet pipe 12 of the pressing head 1.

The above is only a preferred embodiment of the present invention; the scope of the invention is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present invention, and the technical solution and the improvement thereof are all covered by the protection scope of the present invention.

Claims

1. The pressing pump is characterized by comprising a pressing head, a shell, a main pipe fitting, a lock sleeve and a telescopic spring, wherein a liquid outlet channel is arranged in the pressing head, and the pressing head is connected with the main pipe fitting;

the lock sleeve is arranged in the shell, the end part of the shell is fixedly connected with the lock sleeve, and the main pipe piece passes through the lock sleeve and is arranged in the shell;

the end part of the main pipe fitting is connected with an auxiliary pipe fitting, the telescopic spring is sleeved outside the main pipe fitting, and one end of the telescopic spring is abutted with the auxiliary pipe fitting;

an upper elastic piece is arranged between the pressing head and the main pipe piece, and a lower elastic piece is arranged at one end, far away from the pressing head, in the shell.

2. The pressing pump of claim 1, wherein the lower elastic member comprises a frame base, a sheet body and a plurality of elastic ribs, the sheet body is located in the middle of the lower elastic member, and the elastic ribs connect the sheet body with the frame base.

3. The pressure pump of claim 1, wherein the upper resilient member is a plastic spring.

4. The pressure pump of claim 2, wherein the outer edge of the secondary tube is in contact with the inner wall of the housing, and the secondary tube is in sliding engagement with the housing.

5. The press pump of claim 1, wherein the outer wall of the main tube member adjacent to the end of the press head is provided with external threads, and the inner wall of the lock sleeve adjacent to the end of the press head is provided with internal threads which mate with the external threads.

6. A pump according to claim 1 or claim 3, wherein the head comprises a first and a second outlet tube in communication, the first outlet tube of the head being connected to the main tube.

7. The pressure pump of claim 1, wherein a vent is provided in the housing.

8. The press pump of claim 7, wherein an end of the sleeve remote from the press head is provided with a plurality of notches, the notches being in communication with the vent.

9. The pressure pump as claimed in any one of claims 1 to 5 and 7 to 8, further comprising a pump cover, wherein a shoulder is provided on the outside of the housing, and wherein the pump cover is provided on the outside of the lock sleeve and is supported on the shoulder.