CN113137501A

CN113137501A - Half siphunculus, hand pump and move liquid device

Info

Publication number: CN113137501A
Application number: CN202010065780.3A
Authority: CN
Inventors: 陈文龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-20
Filing date: 2020-01-20
Publication date: 2021-07-20

Abstract

The embodiment of the invention discloses a semi-through pipe, a manual pump and a liquid transfer device, wherein the semi-through pipe comprises a pipe body and a plurality of valves arranged in the pipe body, and each valve comprises a connecting edge connected with the inner wall of the pipe body and a free edge positioned in a cavity of the pipe body; the connecting edges of the multiple valves are sequentially abutted end to end along the circumferential direction of the pipe body; according to the flowing direction of fluid in the semi-through pipe, the free edges of the valves are positioned in front of the connecting edge, when the fluid flows reversely, the free edges of the valves are attached to close the pipe body, when the fluid flows forwardly, the free edges of the valves are separated to open the pipe body, and the pipe body is an elastic pipe. The semi-through pipe and the manual pump provided by the embodiment of the invention can solve the problem of large impact force caused by large pressure change when the check valve is opened and closed in the prior art.

Description

Half siphunculus, hand pump and move liquid device

Technical Field

The embodiment of the invention relates to the technical field of mechanical structures, in particular to a semi-through pipe, a manual pump and a liquid transfer device.

Background

The check valve is a valve in which fluid can only flow to an inlet but cannot flow back, and is also called a check valve or a check valve and used for preventing reverse flow of oil flow in a hydraulic system or preventing reverse flow of compressed air in a pneumatic system.

The prior art discloses a check valve, which includes a valve body having an upper chamber and a lower chamber, which are communicated through a valve port; the valve body is also provided with an inlet flow passage, a first outlet flow passage and a second outlet flow passage, the inlet flow passage and the first outlet flow passage are both communicated with the lower cavity, and the second outlet flow passage is communicated with the upper cavity; the first outlet flow passage is blocked by a plug; the upper cavity is internally provided with a valve core, an elastic element and a limiting part and is configured into: in a first state, the limiting component presses the valve core against the valve port, and the first outlet flow channel is not blocked by the plug; and in a second state, a preset distance is reserved between the limiting component and the valve core, the elastic element presses the valve core against the valve port, the valve core can move along the axial direction of the upper cavity to close or open the valve port, and the plug blocks the first outlet flow channel. When the check valve is applied to an engine with a pre-oil supply pump, one-way conduction of an oil pan to an oil way of the engine body can be realized, backflow is prevented, engine oil can be discharged, and the check valve is simple in structure.

The existing check valve is used for preventing fluid from flowing backwards, but the problem of large pressure change when the check valve is opened and closed exists, so that large impact force is generated.

Disclosure of Invention

Therefore, the embodiment of the invention provides a semi-through pipe, a manual pump and a liquid transfer device, which aim to solve the problem of large impact force caused by large pressure change when a check valve is opened and closed in the prior art.

In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:

according to a first aspect of the embodiments of the present invention, there is provided a semicircular tube, the semicircular tube comprising a tube body and a plurality of valves arranged in the tube body, each valve comprising a connecting edge connected with an inner wall of the tube body and a free edge located in a cavity of the tube body; the connecting edges of the multiple valves are sequentially abutted end to end along the circumferential direction of the pipe body; according to the flowing direction of fluid in the semi-through pipe, the free edges of the valves are positioned in front of the connecting edge, when the fluid flows reversely, the free edges of the valves are attached to close the pipe body, when the fluid flows forwardly, the free edges of the valves are separated to open the pipe body, and the pipe body is an elastic pipe.

Further, two valves are arranged in the semicircular tube, and the valves are in the shape of a half-moon-section sac.

Furthermore, three valves are arranged in the semi-through pipe, and the valves are in a sac shape with a sector section.

Further, the material of body is the rubber tube, the valve including be located the middle layer in the middle with laminate in the top layer of middle layer both sides, the elasticity on top layer is greater than the elasticity of middle layer.

Further, the free edges of the valves are provided with magnets, and the magnets of adjacent valves are opposite in polarity.

Further, the body includes the middle section and is located the side section of interlude both sides, the multi-disc valve set up in the middle section, the internal diameter of middle section is greater than the internal diameter of side section.

According to a second aspect of the embodiments of the present invention, there is provided a manual pump, wherein the manual pump comprises two half-pipes provided by the first aspect of the present invention, the two half-pipes are communicated with each other through a communication pipe, the flow direction of the two half-pipes is the same, the communication pipe is provided with an elastic ball that expands after being squeezed and contracted, or the side wall of the communication pipe is provided with an opening for connecting a suction device.

Further, a spring for restoring the deformation is arranged in the elastic ball.

The embodiment of the present invention further provides a liquid transfer device, which includes a first semi-through pipe, a second semi-through pipe, a third semi-through pipe, a fourth semi-through pipe, an elastic ball, a first three-way valve, a second three-way valve, a first pipe and a second pipe, wherein the first semi-through pipe, the second semi-through pipe, the third semi-through pipe and the fourth semi-through pipe are the semi-through pipes described in any one of claims 1 to 6, the elastic ball has two interfaces, one end of the first pipe is connected to an inlet end of the first semi-through pipe and an outlet end of the second semi-through pipe, the outlet ends of the first semi-through pipe and the second semi-through pipe are respectively connected to two interfaces of the first three-way valve, the remaining one interface of the first three-way valve is connected to one interface of the elastic ball, the other interface of the elastic ball is connected to one interface of the second three-way valve, the remaining two interfaces of the second three-way valve are respectively connected to an inlet end of the third semi-through pipe and an outlet end of the fourth semi-through pipe, the outlet end of the third semi-through pipe and the inlet end of the fourth semi-through pipe are connected with one end of the second pipe body.

The embodiment of the invention has the following advantages:

the semi-through pipe provided by the embodiment of the invention is provided with the pipe body and the valve, the semi-through pipe is communicated by separating the free edges of the valve, the semi-through pipe is closed by jointing the free edges of the valve, and the valve and the pipe body have elasticity, and the opening and closing of the valve exist processes, so that the change of fluid pressure is smooth when the semi-through pipe is communicated and closed, the impact is prevented, and the semi-through pipe is suitable for the fields of medical instruments such as a transfusion pipe and the like, a manual pump, fine chemical equipment and the like.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so that those skilled in the art can understand and read the present invention, and do not limit the conditions for implementing the present invention, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the functions and purposes of the present invention, should still fall within the scope of the present invention.

Fig. 1 is a schematic structural diagram of a half-pipe provided in an embodiment of the present invention (the half-pipe is opened);

fig. 2 is a schematic structural diagram of a half-pipe provided in the embodiment of the present invention (the half-pipe is closed);

FIG. 3 is a schematic structural view of a three-piece valve in a semi-duct according to an embodiment of the present invention;

FIG. 4 is a schematic structural view (cross-sectional view) of a three-piece valve in a semi-duct provided by an embodiment of the invention;

FIG. 5 is a schematic structural diagram of a valve according to an embodiment of the present invention (with magnets disposed);

fig. 6 is a schematic structural diagram of a half-through pipe (provided with a magnet) according to an embodiment of the present invention;

FIGS. 7-10 are schematic views of a manual pump according to an embodiment of the present invention;

FIGS. 11 to 12 are schematic structural views of a pipetting device provided by an embodiment of the invention;

in the figure:

1 tube body and 2 valves

21 connecting edge 22 free edge 23 intermediate layer

24 surface layer 25 magnet

100 half-pipe 200 communicating pipe 300 elastic ball

400 opening

101 first semi-through tube 102, second semi-through tube 103 and third semi-through tube

104 fourth semi-pipe 401 first three-way valve 402 second three-way valve

501 first tube 502 second tube

Detailed Description

The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

As shown in fig. 1-2, the present embodiment provides a semicircular tube, the semicircular tube 100 includes a tube body 1 and a plurality of valves 2 disposed in the tube body 1, each valve 2 includes a connecting edge 21 connected to an inner wall of the tube body 1 and a free edge 22 located in a cavity of the tube body; the connecting edges 21 of the multiple pieces of valves 2 are sequentially abutted end to end along the circumferential direction of the pipe body 1; according to the flowing direction of the fluid in the semi-through pipe, the free edges 22 of the valves 2 are positioned in front of the connecting edges 21, when the fluid flows reversely, the free edges 22 of the valves 2 are attached to close the pipe body 1, when the fluid flows forwards, the free edges 22 of the valves 2 are separated to open the pipe body 1, and the pipe body 1 is an elastic pipe.

The working principle of the semi-through pipe in the embodiment is as follows: as shown in figure 1, when the fluid flows in the positive direction, the fluid passes through the gap formed between the free edges of the valve and presses the valve to one side of the pipe wall of the pipe body, and the semi-through pipe keeps a flowing state; as shown in figure 2, when the fluid flows in the reverse direction, the fluid enters the gap between the valve and the inside of the tube body and presses the elastic tube body and the valve to expand in the radial direction, so that the gap between the free edges of the valve is closed to prevent the fluid from flowing backwards.

The semi-through pipe provided by the embodiment of the invention is provided with the pipe body and the valve, the semi-through pipe is communicated by separating the free edges of the valve, the semi-through pipe is closed by jointing the free edges of the valve, and the valve and the pipe body have elasticity, and the opening and closing of the valve exist processes, so that the change of fluid pressure is smooth when the semi-through pipe is communicated and closed, the impact is prevented, and the semi-through pipe is suitable for the fields of medical instruments such as a transfusion pipe and the like, a manual pump, fine chemical equipment and the like. For example, the section of the infusion tube close to the needle is designed into a semi-through tube structure, which can play a role in preventing blood from flowing backwards; a semi-through pipe is connected between the chemical instruments or at the tail end of the instruments, so that the function of preventing suck-back can be achieved; the sewer pipe is provided with a semi-through pipe which can play a role in preventing water in the sewer from leaking backwards and prevent peculiar smell in the sewer from escaping, and in addition, if a small amount of liquid is retained on the membrane, the semi-through pipe can play a role in liquid sealing, so that the effect of preventing peculiar smell from escaping is further enhanced; the semi-through pipe is designed to be the edge of a nipple, the semi-through pipe can be placed into a feeding bottle like the nipple, and the nipple can be improved by directly sleeving the semi-through pipe below the nipple.

Example 2

As shown in fig. 1-2, two pieces of valves 2 are arranged in the semicircular tube 100, the valves 2 are in the shape of a sac with a half-moon cross section, as shown in fig. 3-4, three pieces of valves 2 are arranged in the semicircular tube 100, and the valves 2 are in the shape of a sac with a sector cross section. The valve is arranged into a bag shape in the embodiment, and can pocket fluid when the fluid flows backwards, so that the semi-through pipe is closed, the fluid in the bag is discharged when the fluid flows forwards, the semi-through pipe is circulated, the valve is simple and convenient, the sealing performance is good, and the pressure fluctuation is small.

Example 3

As shown in fig. 5, the tube body 1 is made of rubber tube, such as rubber, latex or silica gel, the valve 2 includes an intermediate layer 23 located in the middle and surface layers 24 attached to both sides of the intermediate layer 23, and the elasticity of the surface layers 24 is greater than that of the intermediate layer 23. The hardness of the middle layer is strong to ensure that the structure of the membrane is not deformed, such as PVC and other plastics, and the surface layer has elasticity which is beneficial to reduction, such as rubber, latex or silica gel.

Example 4

As shown in fig. 6, the free edge 22 of the valve 2 is provided with magnets 25, the magnets 25 of adjacent valves 2 being of opposite polarity, the magnets being shaped, for example, as half-rings, with an S-pole on one side and an N-pole on the other, the adjacent magnets being of opposite polarity, thereby facilitating rapid closure of the valves.

Example 5

In this embodiment, the pipe body 1 includes a middle section and side sections located at two sides of the middle section, the multiple-piece valve 2 is disposed at the middle section, the inner diameter of the middle section is larger than that of the side sections, and the pipe body is set to three sections, so that the material for manufacturing the semi-through pipe can be reduced under the condition that fluid passes through the pipe body, and the production cost is reduced.

Example 6

As shown in fig. 7 to 10, the present embodiment provides a manual pump, which is characterized in that the manual pump includes two half-pipes 100 according to any one of embodiments 1 to 5, the two half-pipes 100 are communicated with each other through a communication pipe 200 and have the same flow direction, the communication pipe 200 is provided with an elastic ball 300 that expands after being compressed and contracted or released, or a side wall of the communication pipe 200 is provided with an opening 400 connected with a suction device, and a spring for restoring deformation may be provided in the elastic ball 300.

The working principle of the manual pump of the embodiment is as follows: as shown in fig. 7, when the elastic ball is pinched by hand, the elastic ball and the communicating pipe contract, the pressure in the communicating pipe is reduced, and fluid enters the communicating pipe from the left semi-through pipe, but the fluid in the right semi-through pipe does not generate fluid due to the existence of the right semi-through pipe; as shown in fig. 8, when the elastic ball is released, the elastic ball and the communication pipe expand, the pressure in the communication pipe increases, the fluid leaves from the right-side half-pipe, the left-side half-pipe is closed, and the operations are repeated many times to realize the forward flow of the fluid. The hand pump of fig. 9 and 10 is provided with an opening, and a suction device such as a syringe can be connected to the opening, so that the forward flow of fluid can be realized in the process of sucking the syringe, and the operation is simple.

Example 7

As shown in fig. 11 to 12, the present invention further provides a liquid-transferring apparatus, which comprises a first semicircular tube 101, a second semicircular tube 102, a third semicircular tube 103, a fourth semicircular tube 104, an elastic ball 300, a first three-way valve 401, a second three-way valve 402, a first tube 501 and a second tube 502, wherein the first semicircular tube 101, the second semicircular tube 102, the third semicircular tube 103 and the fourth semicircular tube 104 are the semicircular tubes according to any one of claims 1 to 6, the elastic ball 300 has two interfaces, one end of the first tube 501 is connected to the inlet end of the first semicircular tube 101 and the outlet end of the second semicircular tube 102, the outlet end of the first semicircular tube 101 and the inlet end of the second semicircular tube 102 are respectively connected to the two interfaces of the first three-way valve 401, the remaining interface of the first three-way valve 401 is connected to one interface of the elastic ball 300, the other interface of the elastic ball 300 is connected to one interface of the second three-way valve 402, the remaining two ports of the second three-way valve 402 are respectively connected to the inlet end of the third semi-through pipe 103 and the outlet end of the fourth semi-through pipe 104, and the outlet end of the third semi-through pipe 103 and the inlet end of the fourth semi-through pipe 104 are connected to one end of the second pipe 502.

The usage principle of the pipetting device of the embodiment is as follows: as shown in fig. 11, when the two three-way valves communicate the first bypass pipe 101 and the third bypass pipe 103, the elastic ball 300 is contracted to allow the liquid to flow from the first pipe 501 to the second pipe 502 through the first bypass pipe 101, the first three-way valve 401, the elastic ball 300, the second three-way valve 402, and the third bypass pipe 103 in this order, and the liquid flows from the first pipe 501 to the second pipe 502. As shown in fig. 12, when the two three-way valves communicate the second half pipe 102 and the fourth half pipe 104, the elastic ball 300 is contracted to allow the liquid to pass through the fourth half pipe 104, the second three-way valve 402, the elastic ball 300, the first three-way valve 401, the second half pipe 102, and the first pipe 501 from the second pipe 502 in this order, so that the liquid can flow from the second pipe 502 to the first pipe 501.

Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. A semi-through pipe is characterized in that the semi-through pipe (100) comprises a pipe body (1) and a plurality of valves (2) arranged in the pipe body (1), wherein each valve (2) comprises a connecting edge (21) connected with the inner wall of the pipe body (1) and a free edge (22) positioned in a cavity of the pipe body; the connecting edges (21) of the multiple pieces of valves (2) are sequentially abutted end to end along the circumferential direction of the pipe body (1); according to the flowing direction of fluid in the semi-through pipe, the free edges (22) of the valves (2) are positioned in front of the connecting edges (21), when the fluid flows reversely, the free edges (22) of the valves (2) are attached to close the pipe body (1), when the fluid flows forward, the free edges (22) of the valves (2) are separated to open the pipe body (1), and the pipe body (1) is an elastic pipe.

2. A semi-duct according to claim 1, characterized in that two valves (2) are arranged in the semi-duct (100), the valves (2) being half-moon sectioned sacs.

3. A semi-through tube according to claim 1, characterized in that three valves (2) are arranged in the semi-through tube (100), the valves (2) being in the form of a sack of sector cross-section.

4. A semi-channel as claimed in claim 1, characterised in that the material of the tube body (1) is a hose, the valve (2) comprises an intermediate layer (23) in the middle and a skin (24) applied on both sides of the intermediate layer (23), the skin (24) having a greater elasticity than the intermediate layer (23).

5. A semi-conductor tube as claimed in claim 1, characterised in that the free edges (22) of the valves (2) are provided with magnets (25), the magnets (25) of adjacent valves (2) being of opposite polarity.

6. A semi-conductor pipe as claimed in claim 1, wherein the pipe body (1) comprises a middle section and side sections on both sides of the middle section, the multi-piece valve (2) being arranged in the middle section, the middle section having an inner diameter larger than the side sections.

7. A hand pump, characterized in that, the hand pump includes two half-through pipes (100) of any one of claims 1-6, the two half-through pipes (100) are communicated through a communicating pipe (200) and the flowing direction is the same, the communicating pipe (200) is provided with an elastic ball (300) which is compressed and contracted to release the expansion or the side wall of the communicating pipe (200) is provided with an opening (400) connected with a suction device.

8. Manual pump according to claim 7, characterized in that a spring for restoring the deformation is arranged in the elastic ball (300).

9. A liquid transfer device, characterized in that the liquid transfer device comprises a first semi-through pipe (101), a second semi-through pipe (102), a third semi-through pipe (103), a fourth semi-through pipe (104), an elastic ball (300), a first three-way valve (401), a second three-way valve (402), a first pipe body (501) and a second pipe body (502), wherein the first semi-through pipe (101), the second semi-through pipe (102), the third semi-through pipe (103) and the fourth semi-through pipe (104) are the semi-through pipes described in any one of claims 1 to 6, the elastic ball (300) has two interfaces, one end of the first pipe body (501) is connected with the inlet end of the first semi-through pipe (101) and the outlet end of the second semi-through pipe (102), the outlet end of the first semi-through pipe (101) and the inlet end of the second semi-through pipe (102) are respectively connected with the two interfaces of the first three-way valve (401), the other interface of the first three-way valve (401) is connected with one interface of the elastic ball (300), the other interface of the elastic ball (300) is connected with one interface of the second three-way valve (402), the other two interfaces of the second three-way valve (402) are respectively connected with the inlet end of the third semi-through pipe (103) and the outlet end of the fourth semi-through pipe (104), and the outlet end of the third semi-through pipe (103) and the inlet end of the fourth semi-through pipe (104) are connected with one end of the second pipe body (502).