TWM485997U - Fluid extraction device - Google Patents

Description

Fluid extraction device

This creation relates to a fluid extraction device, especially one that can continuously draw and output fluid.

The conventional cylinder pulls a piston with a mast to draw fluid from the opening of the cylinder, then moves to another position and pushes the mast to push the fluid out of the cylinder. The operation is quite troublesome, and the process of moving the cylinder is extremely high. May cause fluid leakage.

Therefore, as disclosed in the patent TW M280453, some of the cylinders achieve the simultaneous suction and push action by the difference of the inner and outer tubes or the liquid inlet and outlet positions. However, such a structure is complicated and the components are complicated. The location is quite important and has very strict limits. Moreover, such structures are often not used when dumping or skewing, which is inconvenient.

In addition, the above-mentioned liquid-injecting and liquid-discharging components are fixed on the cylinder, and the use of the cylinder is completely restricted, and the positions of the liquid inlet and the liquid discharge are also fixed, and it cannot be changed to another manner of picking, and the cylinder is quite difficult to clean.

The primary object of the present work is to provide a fluid scooping device having a check valve in two directions that continuously draws fluid from a fluid source and outputs the fluid to another location.

In order to achieve the above object, the present invention provides a fluid extraction device comprising a stack of The barrel and a connecting device.

The cartridge comprises a cylinder, a mast and a piston. The cylinder has a shaft hole and a vent hole at the top thereof. The piston is slidably disposed in the cylinder. One end of the mast is connected to the piston, and the other end of the mast is connected to the piston. One end passes through the shaft hole and protrudes outside the cylinder for pushing and pulling. The bottom end of the cylinder defines an opening, and the opening has a first joint portion.

The connecting device has a chamber, an inflow channel and a first-class exit, the inflow channel and the outflow channel are respectively connected to the chamber independently, and the outer opening of the chamber has a second joint portion for the first Engaging the joints with each other to communicate the chamber with the opening of the barrel, the inflow passage being provided with a first check valve that allows fluid to flow only from the outside into the inflow passage and not from the inflow passage The flow passage is provided with a second check valve that allows fluid to flow only from the outflow passage and from the outside to the outflow passage.

When the mast moves the piston toward the top of the cylinder, fluid can be drawn from the outside into the cylinder through the inflow passage, and when the mast moves the piston toward the bottom of the cylinder, the fluid in the cylinder It can be outputted through the outflow channel.

Thereby, the present invention can perform the action of sucking the fluid and pushing out the fluid by pulling and pushing the mast, and since the connecting device is additionally attached to the cartridge, it can be selectively removed and connected by other kinds. The devices are connected to meet the requirements.

10‧‧‧唧

11‧‧‧Cylinder

111‧‧‧Axis hole

112‧‧‧Ventinel

113‧‧‧ openings

114‧‧‧First joint

12‧‧‧Piston

13‧‧‧Mast

221‧‧‧plugs

222‧‧ ‧ spring

23‧‧‧ outflow

231‧‧‧plugs

232‧‧ ‧ spring

24‧‧‧Inlet

25‧‧‧Exit

30‧‧‧ water pipes

131‧‧‧ grip

20‧‧‧Connecting device

21‧‧‧ chamber

211‧‧‧Second joint

22‧‧‧ Inflow

40‧‧‧Quick joint

50‧‧‧Adapter

51‧‧‧ internal thread

52‧‧‧ external thread

Figure 1 is a perspective view of the creation.

Figure 2 is a partial exploded view of the creation.

Figure 3 is a cross-sectional view of the present invention as it flows in.

Figure 4 is a cross-sectional view of the present invention as it flows out of the fluid.

The following is a description of possible implementations of the present invention by way of example only, and is not intended to limit the scope of the creation of the present invention.

Referring to FIG. 1 to FIG. 4, the present invention provides a fluid pumping device comprising a cartridge 10 and a connecting device 20.

The cylinder 10 includes a cylinder 11 , a piston 12 and a mast 13 . The cylinder 11 has a shaft hole 111 and a vent hole 112 . The piston 12 is slidably disposed in the cylinder 11 . One end of the 13 is connected to the piston 12, and the other end extends through the shaft hole 111 and protrudes outside the barrel 11 for pushing and pulling. The mast 13 is exposed at one end of the barrel 11 and is provided with a grip 131 for hand. The bottom end of the cylinder 11 defines an opening 113. The opening 113 has a first engaging portion 114. More specifically, the first engaging portion 114 has an external thread, and the cylindrical body 11 can be transparent. And the outer wall is marked with a capacity indicating portion.

The connecting device 20 is independent and detachable from the cylinder 10. The connecting device 20 has a chamber 21, an inflow channel 22 and a first-class exit 23. The inflow channel 22 and the outflow channel 23 are respectively connected to the cavity independently. a chamber 21 having a second engaging portion 211 at the outer opening for engaging the first engaging portion 114 to communicate with the opening 113 of the cylindrical body 11, more specifically, the first portion The two joint portions have internal threads and can be screwed with the first joint portion. In the embodiment, the joint portion further includes a joint 50 having an internal thread 51 and an external thread 52. The internal thread has an internal thread. 51 and the first engaging portion 114 are screwed to each other, and the external thread 52 and the second engaging portion 211 are screwed to each other, whereby the connecting device 20 and the cartridge 10 are engaged with each other, so even the first engaging portion 114 and the first The two joint portions 211 are different in size and can also be obtained by the adapter 50. Engagement is not a problem. The inflow passage 22 is provided with a first check valve. The first check valve allows fluid to flow only from the outside into the inflow passage 22 and cannot flow out from the inflow passage 22. The outflow passage 23 is provided with a second check valve. The second check valve allows fluid to flow only from the outflow passage 23 and cannot flow from the outside to the outflow passage 23. In the present embodiment, the inflow channel 22 has a small inflow port 24 between the outside and the outside. The first check valve includes a slipperable plug member 221, and a spring 222 pushes against the plug member 221 to The plug member 221 has a tendency to move toward the inflow port 24 through which fluid can push the plug member 221 into the inflow channel 22, and when fluid flows from the chamber 21 to the inflow channel 22, the fluid pushes The plug 221 closes the inflow port 24 to prevent fluid from flowing out of the inflow port 24; on the other hand, the chamber 21 and the outflow channel 23 have a small outflow port 25, and the second check valve includes a The sliding plug 231, a spring 232 pushes against the plug 231 to cause the plug 231 to have a tendency to move toward the outflow port 25, and the fluid in the chamber 21 can push the plug through the spout 25 231 flows out of the outflow channel 23.

Wherein, when the mast 13 moves the piston 12 toward the top of the cylinder 11, fluid can be sucked into the cylinder 11 from the outside through the inflow passage 22, when the mast 13 pushes the piston 12 toward the cylinder When the bottom portion is displaced, the fluid in the cylinder 11 can be outputted outward through the outflow passage 23.

In the present embodiment, the inflow channel 22 is located at the bottom end of the connecting device 20 and is longitudinally aligned with the chamber 21. The outflow channel 23 is located at the side of the connecting device 20 and is located in the chamber 21 and the inflow. Between the passages 22, the connection between the chamber 21 and the inflow passage 22 is perpendicular to the direction in which the outflow passage 23 extends. By this arrangement, it is possible to ensure that the first check valve can be pressed against the fluid when it is pushed out. The plug member 221 closes the inflow port, and also ensures that the plug 231 of the second check valve is not pushed open when the fluid flows in, and the outflow port 25 is opened.

In actual use, as disclosed in the embodiment, the inflow port 24 can be sleeved A water pipe 30 is connected to a fluid source, and a quick joint 40 can be screwed out of the outflow channel 23 or another water pipe can be directly disposed, thereby connecting with a liquid container, so that when the water pipe 30 is immersed in In the fluid, pulling the mast 13 to move the piston 12 upwards can flow the fluid into the chamber 21 via the water pipe 30, the inflow port 24, and the inflow channel 22, and further suck into the cylinder 11, and then, no special need Closing the inflow port, pushing the mast 13 downward to push fluid from the barrel 11 into the chamber 21, the fluid further pushing the plug 231 of the second check valve to open the outflow port 25, thereby Fluid can flow from the outflow channel 23 to the quick coupler 40 to flow to other locations. With the above structure and operation, the user can continuously perform the operation of pumping the fluid and pushing out the fluid without replacing the front joint of the cartridge, which is quite convenient, and since the connecting device is additionally installed outside the cartridge, it can be removed and Replacement with other types of connecting devices, such as connecting devices with different check valve positions or connecting devices with two-way valves, etc., and because the connecting device can be removed, it is easier to clean the inside of the connecting device and the connecting device, which is effective. .

10‧‧‧唧

11‧‧‧Cylinder

111‧‧‧Axis hole

112‧‧‧Ventinel

12‧‧‧Piston

13‧‧‧Mast

131‧‧‧ grip

20‧‧‧Connecting device

30‧‧‧ water pipes

40‧‧‧Quick joint

50‧‧‧Adapter

Claims (6)

A fluid pumping device comprises: a cylinder comprising a cylinder, a piston and a mast, the cylinder body having a shaft hole and a ventilation hole at the top thereof, the piston being slidably disposed in the cylinder, the mast One end is connected to the piston, and the other end extends through the shaft hole and protrudes from the outside of the cylinder for pushing and pulling. The bottom end of the cylinder has an opening, and the opening has a first joint portion; a connecting device has an internal portion thereof a chamber, an inflow channel and a first-class exit, the inflow channel and the outflow channel are respectively connected to the chamber independently, and the chamber has a second joint at the outer opening for engaging the first joint portion to each other The chamber is in communication with the opening of the cylinder. The inflow passage is provided with a first check valve. The first check valve allows fluid to flow only from the outside into the inflow passage and cannot flow out from the inflow passage. There is a second check valve, the second check valve allows the fluid to flow out only from the outflow channel and cannot flow out to the outflow channel; wherein, when the mast moves the piston toward the top of the cylinder, the fluid can Extracted from the outside through the inflow channel to the barrel , When the piston rod of the jack to the bottom of the tube passage, the tubular body out of the fluid can be output through the outflow channel. The fluid scooping device of claim 1, wherein the first engaging portion has an external thread, and the second engaging portion has an internal thread to be screwed to the first engaging portion. The fluid extraction device of claim 1, wherein the inflow passage has a small inflow port to the outside, the first check valve including a slipperable plug through which fluid can be pushed away The plug flows into the inflow passage, and as fluid flows from the chamber to the inflow passage, fluid pushes the plug and closes the inlet to prevent fluid from flowing out of the inlet. The fluid extraction device of claim 1, wherein the chamber has a comparison with the outflow channel a small outflow valve, the second check valve comprising a sliding plug through which fluid in the chamber can be pushed out of the plug from the outflow channel. The fluid scooping device of claim 1, wherein the inflow channel is located at a bottom end of the connecting device and is longitudinally aligned with the chamber, the outflow channel is located at a side of the connecting device and is located in the chamber and the inflow Between the roads. The fluid extraction device of claim 5, wherein the chamber and the inflow line are perpendicular to an extension direction of the outflow channel.