TW201932150A - Fluid transport adapter - Google Patents

Abstract

A fluid transport adapter is provided, including a main body and a communicating member. The main body includes a joint portion and a connecting portion. The joint portion is adapted for being connected with a barrel body. The joint portion has a liquid inlet communicated with the inside of the barrel body. The connecting portion is adapted for being connected with a mouth of a container. The communicating member is disposed through the connecting portion and extends into the joint portion, and is movable between a closed position and a communicate position. The communicating member and an inwall of the joint portion define a liquid receiving space. A fluid passage is formed in the communicating member. The communicating member has a through opening, a liquid outlet which is communicated with the fluid passage, and an abutting unit. The through opening is selectively communicated with the liquid receiving space. The liquid outlet is adapted for being communicated with the interior of the filling container. The abutting unit is adapted for abutting against the mouth.

Description

Liquid transfer joint and urea injection cylinder assembly including the same

The present invention relates to joints, and more particularly to a liquid transfer joint and a urea injection barrel assembly using the liquid transfer joint.

When it is conventionally desired to pour a liquid from a cylinder into a container to be injected, in addition to directly injecting the opening of the barrel to the mouth of the container to be injected, the more common method is in the container to be injected. The mouth is provided with a funnel, and the liquid is poured into the funnel to surely flow into the container to be injected to prevent the liquid from flowing to the outside.

However, there are still many shortcomings and inconveniences in using the funnel. For example, the speed at which the liquid is poured into the funnel is controlled by the user. It is often caused by inadvertently pouring too much to cause the liquid to overflow the funnel, or the pouring speed is too fast, causing the liquid to splash around, etc., which may cause the surrounding environment to be dirty. Chaos. Therefore, it is necessary to provide a novel and progressive liquid transfer joint to solve the above problems.

The main object of the present invention is to provide a liquid transfer joint, so that the user can reliably connect the cylinder to the liquid to be injected, and the liquid is injected while the connection is completed without the problem of liquid leakage, so as to enhance the liquid injection. Efficiency and maintenance of the surrounding environment.

To achieve the above object, the present invention provides a liquid transfer joint comprising: a body and a conductive member. The body includes a joint portion and a set of joint portions for connecting to a cylinder body for receiving a liquid, and a liquid inlet port for communicating with the inside of the cylinder body is disposed at the joint portion, the joint portion For connection to a mouth of a container to be injected. The conducting member is movable through the connecting portion and extends into the engaging portion in a closed position and a conducting position, and the connecting member and the inner wall of the engaging portion define a liquid containing space, the conducting member The enclosure has a channel, a continuous port and a liquid outlet connected to the channel, and an abutting unit, the port selectively connecting the liquid receiving space, the liquid outlet is connected to the container to be injected Inside, the abutting unit is abutted against the mouth. Wherein, when the assembly portion is not connected to the mouth portion of the liquid to be injected container, the conduction member is located at the closed position, the communication port does not communicate with the liquid receiving space, so that the liquid inlet port does not communicate with the liquid outlet; When the set of joints is connected to the liquid to be injected container, the mouth portion abuts against the abutting unit to push the entire conductive member to the conductive position, and the through port communicates with the liquid receiving space to make the liquid inlet The mouth is connected to the liquid outlet.

In order to achieve the above object, the present invention further provides a liquid transfer joint comprising the above liquid transfer joint, further comprising: a cylinder. The cylinder body has a liquid storage chamber for accommodating a liquid, and the opposite ends of the cylinder body respectively have a receiving interface communicating with the liquid storage chamber and a connecting port for the liquid to enter the liquid storage chamber. The connection port is sleeved on the joint portion of the body.

The following is a description of the possible embodiments of the present invention, and is not intended to limit the scope of the invention as claimed.

Referring to FIGS. 1 through 6, there is shown a preferred embodiment of the present invention. The liquid transfer joint of the present invention includes a body 1 and a conductive member 4.

The body 1 includes a joint portion 2 and a set of joint portions 3, and the joint portion 2 is connected to a cylinder 8 supporting a liquid L. The joint portion 2 is provided with a joint for communicating with the inside of the cylinder body 8. The liquid inlet 23 is connected to a mouth portion 91 of a liquid to be injected container 9. The conductive member 4 is configured to be moved through the assembly portion 3 and into the joint portion 2 in a closed position and a conductive position, and the conductive member 4 and the inner wall 21 of the joint portion 2 define a tolerance. a liquid space 22, wherein the conductive member 4 defines a channel 42 , a continuous port 41 and a liquid outlet 43 communicating with the channel 42 , and an abutting unit 44 . The port 41 is selectively The liquid supply port 22 is connected to the inside of the liquid to be injected container 9 , and the abutting unit 44 is abutted against the mouth portion 91 .

When the assembly portion 3 is not connected to the mouth portion 91 of the liquid to be injected container 9, the conduction member 4 is located at the closed position, and the communication port 41 does not communicate with the liquid containing space 22 to make the liquid inlet 23 The outlet port 43 is not connected; and when the assembly portion 3 is connected to the liquid to be injected container 9, the mouth portion 91 abuts against the abutting unit 44 to push the entire conduction member 4 to the conduction position. Further, the port 41 communicates with the liquid containing space 22 to connect the liquid inlet 23 to the liquid outlet 43.

More specifically, the body 1 further includes an axis 11 , the joint portion 2 and the joint portion 3 are disposed along the axis 11 , and a blocking member 32 is positioned between the joint portion 2 and the joint portion 3 . The blocking member 4 passes through the blocking member 32 along the axis 11 and is movable relative to the blocking position and the conducting position. The blocking member 32 is closed in the closed position, and the blocking member 32 closes the through opening 41, thereby blocking the liquid containing space 22 from communicating with the through opening 41, so that the liquid L is blocked in the liquid containing space 22 The conductive member 4 is inaccessible; and when the conductive member 4 is in the conducting position, the blocking member 32 does not close the through opening 41, and the through opening 41 is exposed to communicate with the liquid containing space 22, and the liquid L passes through the The port 41 enters the conduction member 4 to be injected into the liquid to be injected container 9.

More specifically, the joint portion 2 and the joint portion 3 are respectively convex in shape, which is convenient for insertion or insertion into a narrow environment, and the joint portion 3 is The maximum radial dimension is greater than the maximum radial dimension of the joint 2. In addition, in the embodiment, the joint portion 2 and the joint portion 3 are independent components, and the blocking member 32 is detachably assembled to the body 1 , which has the advantages of convenient storage and no space occupation. The blocking member 32 is inserted into the connecting portion 3 and fits tightly into the interior of the joint portion 2 to connect the joint portion 2 with the joint portion 3. Of course, it is not limited thereto. In other embodiments, the joint portion 2, the joint portion 3 and the blocking member 32 may be integrally formed.

It should be particularly noted that, in the embodiment, the opening direction of the port 41 is perpendicular to the axis 11 , and therefore, the blocking member 32 is selectively shielded from the radial direction of the body 1 . Mouth 41. In detail, when the conducting member 4 is in the closed position, the through port 41 is not higher than the blocking member 32 and is not in communication with the liquid containing space 22; conversely, when the conducting member 4 moves along the axis 11 When the position is to the conduction position, the port 41 is higher than the blocking member 32 to communicate with the liquid containing space 22.

Preferably, the connecting portion 3 defines an internal space 31. The internal space 31 does not communicate with the liquid containing space 22. The conductive member 4 passes through the internal space 31 and extends into the joint portion 2. An elastic member 51 is disposed in the inner space 31, and the elastic member 51 is sleeved with the conductive member 4, and the two ends of the elastic member 51 respectively abut against the blocking member 32 and the abutting unit 44 to force the The conducting member 4 has a tendency to move toward the closed position. Therefore, when the connecting portion 3 is disengaged from the mouth portion 91, the conducting member 4 is pushed against the elastic member 51 to automatically return to the closed position. The liquid L is blocked from flowing out of the liquid outlet 43. In this embodiment, the abutting unit 44 includes two annular ribs 441 extending radially and spaced apart. One of the annular ribs 441 abuts the elastic member 51, and the other of the annular ribs 441 is abutted. At the mouth 91.

In another preferred embodiment, the conductive member 4 is further provided with at least one limiting member 45 having a predetermined thickness, and the at least one limiting member 45 is located in the liquid receiving space 22, and when the conducting member 4 is in the conducting position, At least one of the limiting members 45 abuts against the inner wall 21 of the joint portion 2. Therefore, the wear of the conductive member 4 and the inner wall 21 due to prolonged use is concentrated on the at least one limiting member 45, thereby ensuring that the other portions of the conducting member 4 are structurally intact without causing The hole connecting the passage 42 can effectively prevent the leakage. In this embodiment, the number of the at least one limiting member 45 is two.

In another preferred embodiment, the mouth portion 91 is provided with a first threaded portion 61, and the connecting portion 3 is provided with a second threaded portion 62 screwed to the first threaded portion 61, the first threaded portion 61 and the One of the second threaded portions 62 is internally threaded and the other is externally threaded. The connecting portion 3 and the mouth portion 91 are connected by screwing to have more contact areas and can have better bonding strength. The cylinder 8 can be stably coupled to the liquid to be injected container 9, so that when there is an unexpected external force, the cylinder 8 is less likely to be displaced or disengaged relative to the liquid to be injected container 9. In the embodiment, the first threaded portion 61 is externally threaded, the second threaded portion 62 is internally threaded, and the length of the second threaded portion 62 is greater than the at least one in the direction in which the axis 11 extends. The distance from the stopper 45 to the inner wall 21 of the joint portion 2. In addition, the assembly portion 3 is rotatably coupled to the joint portion 2, and only needs to be coupled to the mouth portion 91 by rotating the assembly portion 3, so that the joint portion 2 can be surely and stably coupled thereto. The cylinder 8 is.

Further preferably, the liquid transfer joint further comprises a vent pipe 7 penetrating through the body 1 and the conduction member 4, one end of the vent pipe 7 is connected to communicate with the inside of the liquid to be injected container 9, The other end is connected to the outside, so that when the liquid L is injected into the interior of the liquid to be injected container 9 from the liquid outlet port 43, the gas inside the liquid to be injected container 9 can simultaneously flow from the vent pipe 7 to The outside world to ensure the smooth operation of the injection. In the embodiment, the vent tube 7 protrudes from the assembly portion 3 to further extend into the interior of the liquid to be injected container 9.

It is worth mentioning that, in order to further improve the liquid leakage prevention capability of the liquid transmission joint, the liquid transmission joint further comprises a plurality of leakage preventing members 52, and the leakage preventing member 52 is embedded in one end of the blocking member 32 and corresponds to The joint portion 2, the other end stop member 52 is embedded in the other end of the blocking member 32 and corresponds to the joint portion 3, so as to prevent the liquid L from flowing from the liquid containing space 22 to the internal space 31 and leaking to the outside. . And the second leakage preventing member 52 is embedded in the conducting member 4 and the two leakage preventing members 52 are located on the two sides of the opening 41 on the axis 11 to surely prevent the liquid L from flowing into the conducting member 4 and the The assembly gap of the blocking member 32.

The present invention further provides a urea injection barrel assembly comprising the liquid transfer joint as described above, further comprising: the barrel 8. The cylinder 8 defines a liquid storage chamber 82 for accommodating the liquid L. The opposite ends of the cylinder 8 are respectively provided with a receiving interface 81 and a connecting port 83 communicating with the liquid storage chamber 82. The receiving interface 81 The liquid L enters the liquid storage chamber 82, and the connection port 83 is sleeved on the joint portion 2 of the body 1. When in use, the user may first assemble the urea injection cartridge assembly to the mouth portion 91 of the liquid to be injected container 9, and then pour the liquid L into the liquid storage chamber 82 to inject the liquid to be injected container 9. internal.

In summary, the liquid transfer joint of the present invention can reliably connect the inside of the cylinder and the inside of the container to be injected, so that the liquid in the cylinder can be smoothly and surely injected into the container to be injected without liquid splashing or leaking. And so on. Moreover, when the assembly portion is screwed to the mouth portion, the liquid filling operation is performed, and the operation of separating the liquid injection from the mouth portion and the mouth portion is simultaneously interrupted at the same time, which is very convenient and fast.

1‧‧‧ Ontology

11‧‧‧ axis

2‧‧‧ joints

21‧‧‧ inner wall

22‧‧‧Liquid space

23‧‧‧Inlet

3‧‧‧Team

31‧‧‧Internal space

32‧‧‧Blocking parts

4‧‧‧Connecting parts

41‧‧‧ mouth

42‧‧‧ channel

43‧‧‧liquid outlet

44‧‧‧Abutment unit

441‧‧‧ ring ribs

45‧‧‧Limited parts

51‧‧‧Flexible parts

52‧‧‧Too

61‧‧‧First threaded part

62‧‧‧Second thread

7‧‧‧ snorkel

8‧‧‧Cylinder

81‧‧‧ interface

82‧‧‧Liquid chamber

83‧‧‧Connecting port

9‧‧‧Injection container

91‧‧‧ mouth

L‧‧‧Liquid

1 is a perspective view of an embodiment of the present invention. Figure 2 is an exploded view of Figure 1. 3 is a schematic cross-sectional view showing an assembly according to an embodiment of the present invention. 4 is a schematic diagram of a use state according to an embodiment of the present invention. Figure 5 is a partial enlarged view of Figure 3. Figure 6 is a partial enlarged view of Figure 4.

Claims (10)

A liquid transfer joint comprising: a body comprising a joint portion and a set of joints for connecting to a cylinder body containing a liquid, wherein the joint portion is provided with a joint for communicating with the inside of the cylinder body a liquid inlet, the joint is connected to a mouth of a liquid to be injected; a conductive member is movable through the joint and extends into the joint at a closed position and a conductive position, and further The conductive member defines a liquid-receiving space with an inner wall of the joint portion. The conductive member defines a passage, a continuous port and a liquid outlet connected to the passage, and an abutting unit. The mouth can be selectively connected to the liquid containing space, the liquid outlet is connected to the inside of the liquid to be injected, the abutting unit is abutted to the mouth; wherein, when the group is not connected to the liquid to be injected When the mouth of the container is in the closed position, the communicating member is located in the closed position, the communicating port does not communicate with the liquid receiving space, so that the liquid inlet is not connected to the liquid outlet; when the connecting portion is connected to the liquid to be injected container, The mouth abuts against the abutting unit to push the entire conductive member to the The on position, the through opening further communicates with the space accommodating the liquid to the liquid inlet communicates with the liquid outlet. The liquid transfer joint of claim 1, wherein the body further comprises an axis, the joint portion and the joint portion are disposed along the axis, and a blocking member is positioned between the joint portion and the joint portion. The blocking member penetrates the blocking member along the axis and is movable relative to the blocking position and the conducting position; wherein when the conducting member is in the closed position, the blocking member closes the opening and blocks The liquid-conducting space communicates with the through-opening; when the conducting member is in the conducting position, the blocking member does not close the through-port, and the through-port is exposed to communicate with the liquid-receiving space. The liquid transfer joint of claim 2, wherein the set of joints defines an internal space that is not in communication with the liquid containing space, and the conductive member extends through the internal space to extend into the joint portion, The elastic member is disposed in the inner space, the elastic member sleeves the conductive member, and the two ends of the elastic member respectively respectively abut the blocking member and the abutting unit to force the conductive member to normally move toward the closed position The trend. The liquid transfer joint of claim 2, wherein the blocking member is detachably assembled to the body. The liquid transfer joint of claim 1 , wherein the conductive member is further provided with at least one limiting member having a predetermined thickness, wherein the at least one limiting member is located in the liquid receiving space, and when the conducting member is in the conducting position, The at least one limiting member abuts against an inner wall of the joint. The liquid transfer joint of claim 1 , wherein the mouth portion is provided with a first threaded portion, the set portion is provided with a second threaded portion screwed to the first threaded portion, the first threaded portion and the first threaded portion One of the second threaded portions is an internal thread and the other is an external thread. The liquid transfer joint of claim 1, wherein the set of parts is rotatably coupled to the joint. The liquid transfer joint of claim 3, wherein the blocking member is detachably assembled to the body; the opening direction of the opening is perpendicular to the axis; and the conductive member is further provided with at least one predetermined thickness a limiting member, the at least one limiting member is located in the liquid receiving space, and when the conducting member is in the conducting position, the at least one limiting member abuts against the inner wall of the engaging portion; the number of the at least one limiting member is The first threaded portion is provided with a second threaded portion, the first threaded portion is externally threaded, and the second threaded portion is internally threaded. The liquid transfer joint further includes a vent pipe penetrating through the body and the conductive member, one end of the vent pipe is connected to communicate with the inside of the liquid to be injected container, and the other end is connected to the outside; the joint portion and the venting portion The assembly portions are respectively independent components; the joint portion and the assembly portion are respectively convex-shaped when viewed perpendicular to the axis; the maximum radial dimension of the assembly portion is greater than the maximum radial dimension of the joint portion, the resistance The breaking member is placed against the set of joints and fits into the tight fit An inner portion of the joint portion, the joint portion is coupled to the joint portion; the vent tube protrudes from the joint portion; the abutment unit includes two annular ribs extending radially and spaced apart, The ring rib abuts the elastic member, and the other ring rib abuts against the mouth; the liquid transfer joint further includes a plurality of leak preventing members, and the leak preventing member is embedded at one end of the blocking member Corresponding to the joint portion, another of the stop member is embedded in the other end of the blocking member and corresponds to the joint portion, and the stop member is embedded in the guide member and the two leak stop members are located on the axis a second side of the mouth; the length of the second threaded portion is greater than a distance of the at least one limiting member to the inner wall of the engaging portion; the connecting portion is rotatably connected to the joint portion . The liquid transfer joint according to any one of claims 1 to 7, further comprising a vent pipe penetrating through the body and the conductive member, one end of the vent pipe being connected to the inside of the liquid to be injected container The other end is connected to the outside world. A urea injection cartridge assembly, comprising the liquid transfer joint according to any one of claims 1 to 8, further comprising: a cylinder surrounding a liquid storage chamber for accommodating a liquid, the opposite of the cylinder The two ends are respectively provided with a receiving interface and a connecting port for connecting the liquid storage chamber, and the connecting port is for the liquid to enter the liquid storage chamber, and the connecting port is sleeved to the joint portion of the body.