Pressing pump head with drip-proof function

Abstract

A pressing pump head with a drip-proof function structurally comprises a pressing pump head body, a liquid drawing pipe, a pressing head and a drip-proof casing pipe, when the pressing pump head is used, the drip-proof casing pipe is connected to the outer wall of a liquid outlet pipe of the pressing head in a sleeving mode, it is ensured that the liquid outlet pipe completely extends into a sleeving pipe, then a hose clamp hoop or a nut is screwed up for fixing, and in the installation process, the pressing pump head is fixed through the hose clamp hoop or the nut. When the pressing head is pressed down, liquid is sucked into the liquid outlet pipe from the liquid suction pipe, directly flows into the spiral flow guide pipe from a liquid outlet of the liquid outlet pipe and is guided into the leakage-proof pipe through the spiral flow guide pipe, and the hard film in the leakage-proof pipe is opened under the action of internal pressure, so that the liquid flows out and is rapidly closed. And residual liquid in the leakage-proof pipe can return to the spiral flow guide pipe from the plurality of backflow grooves to be used for the next time.

Description

Technical Field

[0001] The utility model discloses a pressing pump head with an anti-drip function, belonging to the technical field of pump heads. Background Art

[0002] When using liquid products in daily life, such as shampoo, shower gel, hand sanitizer, etc., the common distribution method is through the press pump head. Its core components include piston, one-way valve and spring, which are responsible for pressure conversion, ensuring one-way flow and realizing reset function respectively. The work process of the press pump head is simple and efficient, and can accurately control the output of the fluid. It also has the advantages of convenient operation and low cost. Despite the disadvantages such as pressure limitation and labor intensity, its wide application in many fields such as medical, laboratory, industry and home life has proved its practicality and reliability. With the continuous advancement of technology, the design of the press pump head is also constantly optimized to adapt to a wider range of usage needs and improve user experience. The existing press pump head is equipped with a leak-proof component inside the pump head. This built-in leak-proof feature makes the pump head unable to adapt to tanks of various sizes, and has low compatibility. Utility Model Content

[0003] In view of the shortcomings of the prior art, the utility model aims to provide a push pump head with an anti-drip function to solve the problem that the existing push pump head is equipped with an anti-drip component inside the pump head. This built-in anti-drip feature makes the pump head unable to adapt to tanks of various sizes and has low compatibility.

[0004] In order to achieve the above-mentioned purpose, the utility model is realized by the following technical scheme: a pressing pump head with an anti-drip function, wherein the pressing pump head structure includes a pressing pump head body, a liquid drawing tube, a pressing head, and an anti-drip sleeve;

[0005] A liquid drawing tube, the top of which is connected to the bottom end of the pressing pump head body;

[0006] A pressing head connected to the top of the pressing pump head body, wherein an outer wall of the pressing head is provided with a liquid outlet pipe;

[0007] The anti-drip sleeve is annularly sleeved on the outer wall of the liquid outlet pipe of the pressing head.

[0008] Furthermore, the anti-drip sleeve comprises a tube body, a spiral flow guide tube, a sleeve tube, and an anti-drip tube;

[0009] A spiral flow guide tube, located in the middle of the tube body;

[0010] A sleeve tube, located at the rear end of the tube body;

[0011] A leak-proof tube, located at the front end of the tube body;

[0012] Among them, a sealing flap is provided inside the anti-leakage pipe, and several reflux grooves are further provided at the inner wall end of the anti-leakage pipe.

[0013] Furthermore, a clamping groove is provided on the inner wall of the sleeve pipe, and a rubber ring is provided in the clamping groove. The rubber ring extends out of the outer wall of the sleeve pipe and is provided with a hose clamp ring for fixing between the anti-drip sleeve and the liquid outlet pipe.

[0014] Furthermore, the rubber ring inside the sleeve pipe is sleeved on the outer wall of the liquid outlet pipe, and the sleeve pipe is communicated with the liquid outlet pipe.

[0015] Furthermore, a threaded pipe is provided on the outer wall of the sleeve pipe, a nut is spirally provided on the outer wall of the threaded pipe, and a washer is provided inside the nut. The washer is used to be sleeved on the liquid outlet pipe and has the function of preventing the sleeve pipe from slipping off the liquid outlet pipe.

[0016] Furthermore, the washer is made of at least one of a silica gel washer, a nylon washer, and a rubber washer.

[0017] Furthermore, the reflux groove is communicated with the spiral diversion pipe.

[0018] Furthermore, the sealing flap is located on the inner wall between the front end of the reflux groove and the opening of the anti-leakage pipe.

[0019] Furthermore, the sealing flap is made of at least one of a hard film and a polyester film.

[0020] Furthermore, the liquid suction pipe is communicated to the inside of the pressing head, and the liquid outlet pipe is communicated with the liquid suction pipe inside the pressing head.

[0021] The beneficial effects of the present utility model are as follows: During use, the anti-drip sleeve is sleeved on the outer wall of the liquid outlet pipe of the pressing head to ensure that the liquid outlet pipe completely extends into the sleeve pipe, and then the hose clamp ring or the nut is tightened for fixation. During the installation process, ensure that the rubber ring or the washer is sleeved on the outer wall of the liquid outlet pipe to form an effective seal. Press the pressing head, the liquid is drawn from the liquid suction pipe into the liquid outlet pipe, flows directly from the liquid outlet of the liquid outlet pipe to the spiral diversion pipe, and is guided by the spiral diversion pipe into the anti-leakage pipe. The hard film inside the anti-leakage pipe opens under the internal pressure to allow the liquid to flow out and quickly closes to prevent dripping, and the liquid remaining in the anti-leakage pipe can return to the spiral diversion pipe through several reflux grooves for the next use. Description of the Drawings

[0022] By reading the detailed description of the non-limiting embodiments with reference to the following drawings, other features, objectives, and advantages of the present utility model will become more obvious:

[0023] Figure 1 It is a schematic structural diagram of a pressing pump head with an anti-drip function according to an embodiment of the present utility model;

[0024] Figure 2 Side view sectional structure diagram of the anti-drip sleeve according to an embodiment of the present utility model;

[0025] Figure 3 Side view sectional structure diagram of the connection structure between the sleeve pipe and the liquid outlet pipe according to Embodiment 1 of the present utility model;

[0026] Figure 4 Side view sectional structure diagram of the connection structure between the sleeve pipe and the liquid outlet pipe according to Embodiment 2 of the present utility model.

[0027] Figure 5 Front view structure diagram of the anti-drip sleeve according to an embodiment of the present utility model. Detailed implementation manners

[0028] To make the technical means, creative features, achieved purposes and effects of the present utility model easy to understand, the present utility model will be further described below in conjunction with the detailed implementation manners.

[0029] [Pressing pump head with anti-drip function according to an embodiment of the present utility model]

[0030] Embodiment 1

[0031] Figure 1 Structure diagram of the pressing pump head with anti-drip function according to an embodiment of the present utility model, as Figure 1 shown, the technical solution of the pressing pump head with anti-drip function according to an embodiment of the present utility model: its pressing pump head structure includes a pressing pump head body 1, a liquid suction pipe 2, a pressing head 3, and an anti-drip sleeve 4;

[0032] The liquid suction pipe 2, the top of which is connected to the bottom end of the pressing pump head body 1;

[0033] The pressing head 3, which is connected to the top end of the pressing pump head body 1, wherein, an outer wall of the pressing head 3 is provided with a liquid outlet pipe;

[0034] The anti-drip sleeve 4, which is annularly sleeved on an outer wall of the liquid outlet pipe of the pressing head 3.

[0035] Wherein, the liquid suction pipe 2 communicates into the pressing head 3, and the liquid outlet pipe communicates with the liquid suction pipe 2 inside the pressing head 3, so as to be able to realize the extraction of liquid.

[0036] Figure 2 Side view sectional structure diagram of the anti-drip sleeve according to an embodiment of the present utility model, Figure 5 Front view structure diagram of the anti-drip sleeve according to an embodiment of the present utility model. As Figure 2 and Figure 5As shown, the anti-drip sleeve 4 includes a pipe body 41, a spiral diversion pipe 42, a sleeve pipe 43, and a leak-proof pipe 44; the spiral diversion pipe 42 is located in the middle of the pipe body 41; the sleeve pipe 43 is located at the rear end of the pipe body 41; the leak-proof pipe 44 is located at the front end of the pipe body 41;

[0037] Among them, a closing flap 4401 is provided in the leak-proof pipe 44, and several return grooves 4402 are further provided at the inner wall end of the leak-proof pipe 44. In order to enable the residual liquid to be recycled, the return grooves 4402 communicate with the spiral diversion pipe 42, and the closing flap 4401 is located on the inner wall between the front end of the return groove 4402 and the opening of the leak-proof pipe 44.

[0038] Figure 3 It is a schematic side-sectional structure diagram of the connection structure between the sleeve pipe and the liquid outlet pipe according to Embodiment 1 of the present invention. As Figure 3 shown, a clamping groove H1 is provided on the inner wall of the sleeve pipe 43, and a rubber ring 431 is provided in the clamping groove H1. Among them, the rubber ring 431 extends out of the outer wall of the sleeve pipe 43 and is provided with a throat hoop 432. The throat hoop 432 is used for fixing between the anti-drip sleeve 4 and the liquid outlet pipe. In order to ensure connection stability and at the same time ensure connectivity, the rubber ring 431 in the sleeve pipe 43 is sleeved on the outer wall of the liquid outlet pipe, and the sleeve pipe 43 communicates with the liquid outlet pipe.

[0039] In order to enable the water spray opening to open and close quickly and prevent the residual liquid from dripping, the closing flap 4401 is made of at least one of a hard film and a polyester film.

[0040] Embodiment 2

[0041] For the sake of simplicity of description, the parts that are the same as those in Embodiment 1 will not be described again. Now, the structure different from that of Embodiment 1 of the present invention will be mainly described. The difference between Embodiment 2 and Embodiment 1 lies only in the connection structure between the sleeve pipe 43 and the liquid outlet pipe.

[0042] Referring to Figure 4 shown, Figure 4 It is a schematic side-sectional structure diagram of the connection structure between the sleeve pipe and the liquid outlet pipe according to Embodiment 2 of the present invention. A threaded pipe H2 is provided on the outer wall of the sleeve pipe 43, and a nut 433 is spirally provided on the outer wall of the threaded pipe H2. A washer 434 is provided in the nut 433. The washer 434 is used for sleeving on the liquid outlet pipe and has the function of preventing the sleeve pipe 43 from slipping off the liquid outlet pipe.

[0043] In order to prevent loosening, the washer 434 is made of at least one of a silicone washer, a nylon washer, and a rubber washer.

[0044] [Working Principle of the Press Pump Head with Anti-Drip Function According to the Embodiment of the Present Invention]

[0045] In use, the anti-drip sleeve 4 is sleeved on the outer wall of the liquid outlet pipe of the pressing head 3. Ensure that the liquid outlet pipe completely extends into the sleeve pipe 43, and then tighten the hose clamp ring 432 or the nut 433 for fixation. During the installation process, ensure that the rubber ring 431 or the washer 434 is sleeved on the outer wall of the liquid outlet pipe to form an effective seal. Press the pressing head 3, the liquid is drawn from the liquid suction pipe 2 into the liquid outlet pipe, and directly flows from the liquid outlet of the liquid outlet pipe to the spiral diversion pipe 42, and is guided by the spiral diversion pipe 42 into the anti-leakage pipe 44. The hard film in the anti-leakage pipe 44 is opened under the internal pressure to allow the liquid to flow out and quickly closes to prevent dripping. The liquid remaining in the anti-leakage pipe 44 can return to the spiral diversion pipe 42 through several return grooves 4402 for the next use.

[0046] The above shows and describes the basic principles, main features and advantages of the present invention. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present invention. Any reference signs in the claims should not be regarded as limiting the claimed rights.

[0047] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A push pump head with anti-drip function, characterized in that: The pressing pump head structure comprises a pressing pump head body (1), a liquid drawing tube (2), a pressing head (3), and an anti-drip sleeve (4); A liquid drawing tube (2), the top of which is connected to the bottom of the pressing pump head body (1); A pressing head (3) connected to the top of the pressing pump head body (1), wherein the outer wall of the pressing head (3) is provided with a liquid outlet pipe; The anti-drip sleeve (4) is annularly sleeved on the outer wall of the liquid outlet pipe of the pressing head (3).

2. The push pump head with anti-drip function according to claim 1, characterized in that: The anti-drip sleeve (4) comprises a tube body (41), a spiral flow guide tube (42), a sleeve tube (43), and an anti-drip tube (44); A spiral flow guide tube (42) located in the middle of the tube body (41); A sleeve tube (43) located at the rear end of the tube body (41); A leak-proof tube (44) located at the front end of the tube body (41); The leak-proof tube (44) is provided with a closed flap (4401) therein, and the inner wall end of the leak-proof tube (44) is also provided with a plurality of reflow grooves (4402).

3. The push pump head with anti-drip function according to claim 2, characterized in that: The inner wall of the sleeve tube (43) is provided with a groove (H1), and a rubber ring (431) is provided in the groove (H1), wherein the rubber ring (431) extends out of the outer wall of the sleeve tube (43) and is provided with a throat hoop (432), and the throat hoop (432) is used for fixing the anti-drip sleeve (4) and the liquid outlet pipe.

4. The push pump head with anti-drip function according to claim 3, characterized in that: The rubber ring (431) in the sleeve tube (43) is sleeved on the outer wall of the liquid outlet pipe, and the sleeve tube (43) is connected to the liquid outlet pipe.

5. The push pump head with anti-drip function according to claim 2, characterized in that: The outer wall of the sleeve tube (43) is provided with a threaded tube (H2), the outer wall of the threaded tube (H2) is spirally provided with a nut (433), and a washer (434) is provided inside the nut (433). The washer (434) is used to be sleeved on the liquid outlet pipe and has the function of preventing the sleeve tube (43) from sliding off the liquid outlet pipe.

6. The push pump head with anti-drip function according to claim 5, characterized in that: The gasket (434) is at least one of a silicone gasket, a nylon gasket, and a rubber gasket.

7. The push pump head with anti-drip function according to claim 2, characterized in that: The reflux groove (4402) is in communication with the spiral flow guide tube (42).

8. The push pump head with anti-drip function according to claim 2, characterized in that: The sealing flap (4401) is located on the inner wall between the front end of the reflux groove (4402) and the opening of the anti-leakage tube (44).

9. The push pump head with anti-drip function according to claim 8, characterized in that: The sealing flap (4401) is made of at least one of a hard film and a polyester film.

10. The push pump head with anti-drip function according to claim 1, characterized in that: The liquid drawing tube (2) is connected to the inside of the pressing head (3), and the liquid outlet tube is connected to the liquid drawing tube (2) inside the pressing head (3).

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