阅读说明：本技术 一种压缩空气适配器、配量系统及其供料方法 (Compressed air adapter, proportioning system and feeding method thereof ) 是由 马里奥·弗利斯 于 2020-06-30 设计创作，主要内容包括：本发明公开了一种压缩空气适配器、配量系统及其供料方法,压缩空气适配器包括基体、封闭元件、调整元件以及防扭元件,其中,封闭元件包括允许外部气源流动的气流通道,调整元件与基体螺纹连接且其螺旋运动方向与基体的轴线方向一致,调整元件螺旋运动时可带动封闭元件同步轴向运动,防扭元件用于限制封闭元件跟随调整元件转动。该压缩空气适配器方便安装,无需人为精细把控装配施力,有利于降低安装和拆卸适配器时的难度。(The invention discloses a compressed air adapter, a proportioning system and a feeding method thereof, wherein the compressed air adapter comprises a base body, a closing element, an adjusting element and an anti-twisting element, wherein the closing element comprises an airflow channel allowing an external air source to flow, the adjusting element is in threaded connection with the base body, the spiral movement direction of the adjusting element is consistent with the axial direction of the base body, the adjusting element can drive the closing element to synchronously axially move when in spiral movement, and the anti-twisting element is used for limiting the closing element to rotate along with the adjusting element. This compressed air adapter easy to assemble need not artificial meticulous to control the assembly application of force, is favorable to reducing the degree of difficulty when installing and dismantling the adapter.)

1. A compressed air adapter, comprising:

a substrate;

a closure element comprising a gas flow passage allowing flow of an external gas source;

the adjusting element is in threaded connection with the base body, the spiral motion direction of the adjusting element is consistent with the axial direction of the base body, and the adjusting element can drive the sealing element to synchronously axially move when in spiral motion;

and an anti-twist element for limiting the rotation of the closing element following the adjustment element.

2. The compressed air adapter according to claim 1, wherein the bottom of the adjusting element abuts against the closing element, a first step is provided in the adjusting element, the closing element includes a connecting portion and a sealing portion connected to the connecting portion, a receiving member is detachably connected to an end of the connecting portion, and the receiving member can abut against the first step.

3. The compressed air adapter according to claim 2, wherein the receiving assembly includes a fastening member, a bottom portion of the fastening member is threadedly coupled to the connecting portion, and a second step is provided on the fastening member and overlaps the first step.

4. The compressed air adapter according to claim 2, wherein an end of the connecting portion is provided with an anti-torsion block, the receiving assembly includes a fastener and an anti-torsion fitting fitted around an outer circumference of the anti-torsion block, the fastener is threadedly connected to the connecting portion;

a first surface of the anti-twist fitting may abut the fastener and a second surface of the anti-twist fitting may abut the first step, the first and second surfaces being opposing surfaces.

5. The compressed air adapter according to claim 4, wherein the anti-torque fitting is a tab structure having a non-circular through hole, the outer peripheral wall of the anti-torque block mating with the non-circular through hole of the anti-torque fitting.

6. The compressed air adapter according to claim 1, wherein the bottom of the adjusting member abuts against the closing member, the closing member includes a connecting portion and a sealing portion connected to the connecting portion, a fitting hole is formed at an end of the connecting portion, a plug is detachably inserted into the fitting hole, and the plug is partially inserted into the fitting hole and abuts against the top of the adjusting member.

7. The compressed air adapter according to claim 1, wherein the base body comprises a body provided with an inner cavity, a limiting portion connected with the body and a threaded portion connected with the body, the inner cavity of the body is used for accommodating a sealing element which moves in the axial direction along with the screwing-out of the adjusting element, the threaded portion is in threaded connection with the adjusting element, and the limiting portion is used for being in clamping fit with a container to limit the relative displacement of the container and the base body.

8. A compressed air adaptor according to claim 7 wherein the retaining portion is U-shaped and is adapted to retain the container so that the closure element and container are co-axial, and a recessed space is provided between the body and the retaining portion, the recessed space being adapted to receive a retaining flange provided at the top of the container.

9. The adapter according to claim 4, wherein the adjustment member is provided with a first through hole and a second through hole communicating with each other, the first through hole having a diameter larger than that of the second through hole to form the first step;

at least part of the fastener is located in the first through hole, and at least part of the connecting part is located in the second through hole.

10. A compressed air adapter according to claim 4 wherein the closure member has a fourth through hole formed therein, the fourth through hole forming the airflow passage, the fastener having a third through hole communicating with the airflow passage.

11. The adapter according to claim 10, wherein the fastening member has a screw portion screw-connected to the fourth through hole, and an outer peripheral wall of the screw portion and an inner peripheral wall of the fourth through hole are provided with mutually mating threads.

12. The adapter according to claim 2, wherein the seal portion has a seal ring and a seal groove for receiving the seal ring.

13. The compressed air adapter according to any one of claims 1 to 12, wherein a limit groove is axially formed on the base, a limit hole corresponding to the limit groove is formed on the outer peripheral wall of the closing element, the anti-twisting element is in a pin shaft manner, and the pin shaft sequentially penetrates through the limit groove and the limit hole.

14. A compressed air adapter according to any one of claims 1 to 12 wherein the base body is provided with a retaining groove in the axial direction, and the anti-twist member is an anti-twist projection formed on the outer peripheral wall of the closure member, the anti-twist projection being axially movable in the retaining groove.

15. A compressed air adapter according to any one of claims 1 to 2, 4 to 5 and 7 to 12, wherein the closing element comprises a connecting portion provided at an end thereof with an anti-twist block and a sealing portion connected to the connecting portion, a receiving assembly is detachably connected to an end of the connecting portion, the receiving assembly comprising a fastener threadedly connected to the connecting portion of the closing element and an anti-twist fitting fitted around an outer periphery of the anti-twist block;

the anti-twist fitting performs a simultaneous axial non-rotational movement with the closure element, the anti-twist fitting interrupting the direct connection of the fastener and the adjustment element so that the threaded connection between the fastener and the connection of the closure element remains unchanged when the adjustment element is rotated.

16. The compressed air adapter according to any one of claims 1 to 12, wherein the adjustment element comprises a grip portion and a rotation portion connected to the grip portion, the rotation portion being in threaded connection with the base body, the grip portion being abuttable against an end surface of the base body.

17. Dosing system, characterized in that it comprises a container, a connector, a compressed air adapter according to any one of claims 1 to 14, said compressed air adapter and said connector being connected to the two ends of said container, respectively.

18. A method of feeding using the dosing system of claim 17, comprising the steps of:

connecting the container with the joint;

injecting a fluid to be supplied into the container;

clamping and matching the base body with the container;

operating the adjusting element to make a spiral motion relative to the base body;

connecting the airflow channel with an external air source by using a hose;

an external gas source is turned on to inject the fluid in the container into the fitting by gas pressure.

Technical Field

The invention relates to the technical field of proportioning systems, in particular to a compressed air adapter, a proportioning system and a feeding method thereof.

Background

In a liquid dispensing system, the supply mechanism generally includes an adapter, a rubber cylinder and a luer connector, wherein the adapter is mounted on the top of the rubber cylinder and seals the inner area of the rubber cylinder, the luer connector is precisely connected to the bottom of the rubber cylinder through a threaded connection, the adapter is connected with external air pressure, and the external air pressure acts on the fluid in the rubber cylinder so as to push the fluid to flow through the luer connector and be conveyed from the luer connector to a fluid groove. To seal the interior of the cartridge, the adapter typically has an O-ring that is an interference fit with the inner circumferential wall of the cartridge and that is fitted over the piston.

At present, in the process of assembling the adapter and the rubber cylinder, an operator needs to hold the rubber cylinder with one hand and twist the adapter with the other hand, and forcibly extrudes the piston and the O-shaped ring on the piston to be rotationally pushed into the rubber cylinder, so that the requirement on the exertion of force on the operator is severe, enough acting force is applied to the adapter, and the rubber cylinder is tightly held to avoid synchronous rotation of the adapter along with the adapter, if the acting force is improper, the adapter cannot be correctly installed, and even the larger acting force is possibly transferred to a luer connector at the bottom of the rubber cylinder, so that the precision thread of the luer connector is damaged, and the valve body is shaken. Meanwhile, in the process of detaching the adapter from the rubber cylinder, if the rubber cylinder is not firmly held, the rubber cylinder is easily pulled out from the base of the rubber cylinder.

Therefore, how to make the installation and the disassembly of the adapter more convenient and easy by improving the structure and the assembly method of the adapter is an important technical problem which needs to be solved currently by the technicians in the field.

Disclosure of Invention

The invention provides a compressed air adapter, a batching system and a feeding method thereof, which are convenient to install, do not need artificial fine control assembly force application, and are beneficial to reducing the difficulty in installing and disassembling the adapter.

In order to achieve the above object, the present invention provides a compressed air adapter including:

a substrate;

a closure element comprising a gas flow passage allowing flow of an external gas source;

the adjusting element is in threaded connection with the base body, the spiral motion direction of the adjusting element is consistent with the axial direction of the base body, and the adjusting element can drive the sealing element to synchronously axially move when in spiral motion;

and an anti-twist element for limiting the rotation of the closing element following the adjustment element.

Preferably, the bottom of the adjusting element abuts against the closing element, a first step is arranged in the adjusting element, the closing element comprises a connecting portion and a sealing portion connected with the connecting portion, a receiving assembly is detachably connected to the end portion of the connecting portion, and the receiving assembly can abut against the first step.

Preferably, the receiving assembly comprises a fastening piece, the bottom of the fastening piece is in threaded connection with the connecting part, a second step is arranged on the fastening piece, and the second step is lapped on the first step.

Preferably, an anti-torsion block is arranged at the end part of the connecting part, the bearing assembly comprises a fastener and an anti-torsion fitting sleeved on the outer periphery of the anti-torsion block, and the fastener is in threaded connection with the connecting part;

A first surface of the anti-twist fitting may abut the fastener and a second surface of the anti-twist fitting may abut the first step, the first and second surfaces being opposing surfaces.

Preferably, the anti-torsion member has a sheet-like structure having a non-circular through hole, and the outer peripheral wall of the anti-torsion block is fitted with the non-circular through hole of the anti-torsion member.

Preferably, the bottom of the adjusting element abuts against the closing element, the closing element comprises a connecting part and a sealing part connected with the connecting part, the end part of the connecting part is provided with an assembling hole, a bolt is detachably inserted into the assembling hole, and the bolt is partially inserted into the assembling hole and can abut against the top of the adjusting element.

As the preferred scheme, the base body including be equipped with the inner chamber the body, with spacing portion that the body is connected and with the screw thread portion that the body is connected, the inner chamber of body is used for holding the closure element who follows when adjusting element unscrews and do the axial upward motion, screw thread portion with adjusting element threaded connection, spacing portion be used for with the cooperation of container joint in order to restrict the container with the relative displacement of base body.

Preferably, the limiting part is U-shaped and is used for limiting the position of the container so that the closing element and the container are on the same axis, and a groove space is arranged between the body and the limiting part and is used for accommodating a limiting flange arranged at the top of the container.

Preferably, the adjusting element is provided with a first through hole and a second through hole which are communicated with each other, and the diameter of the first through hole is larger than that of the second through hole to form the first step;

at least part of the fastener is located in the first through hole, and at least part of the connecting part is located in the second through hole.

Preferably, a fourth through hole is formed in the closing element, the fourth through hole forms the airflow channel, and the fastening member is provided with a third through hole communicated with the airflow channel.

Preferably, the fastening member has a screw connection portion in threaded connection with the fourth through hole, and the outer peripheral wall of the screw connection portion and the inner peripheral wall of the fourth through hole are provided with threads which are matched with each other.

Preferably, the sealing portion is provided with a sealing ring and a sealing groove for accommodating the sealing ring.

Preferably, the substrate is provided with a limit groove in the axial direction, the peripheral wall of the closed element is provided with a limit hole corresponding to the limit groove, the anti-torsion element adopts a pin shaft mode, and the pin shaft sequentially penetrates through the limit groove and the limit hole.

Preferably, the base body is provided with a limit groove in the axial direction, the anti-twisting element is an anti-twisting lug formed on the outer peripheral wall of the closing element, and the anti-twisting lug can move axially in the limit groove.

Preferably, the closing element comprises a connecting part and a sealing part, wherein the connecting part is provided with an anti-torsion block at the end part, the sealing part is connected with the connecting part, and the end part of the connecting part is detachably connected with a bearing assembly, and the bearing assembly comprises a fastening piece in threaded connection with the connecting part of the closing element and an anti-torsion fitting sleeved on the outer periphery of the anti-torsion block;

the anti-twist fitting performs a simultaneous axial non-rotational movement with the closure element, the anti-twist fitting interrupting the direct connection of the fastener and the adjustment element so that the threaded connection between the fastener and the connection of the closure element remains unchanged when the adjustment element is rotated.

Preferably, the adjusting element includes a grip portion and a rotating portion connected to the grip portion, the rotating portion is screwed to the base, and the grip portion is capable of abutting against an end surface of the base.

In another aspect of the present invention, there is provided a dosing system comprising a container, a connector, and a compressed air adapter as in any one of the above embodiments, wherein the compressed air adapter and the connector are connected to two ends of the container respectively.

In another aspect of the present invention, there is provided a feeding method using the proportioning system in the above technical solution, comprising the steps of:

connecting the container with the joint;

injecting a fluid to be supplied into the container;

clamping and matching the base body with the container;

operating the adjusting element to make a spiral motion relative to the base body;

connecting the airflow channel with an external air source by using a hose;

an external gas source is turned on to inject the fluid in the container into the fitting by gas pressure.

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

the invention relates to a compressed air adapter, which comprises a base body, a sealing element, an adjusting element and an anti-twisting element, wherein the base body is tightly matched with a container for containing liquid substances, the sealing element comprises an airflow channel allowing an external air source to flow, the sealing element can be matched with an internal flow channel of the container in an inserting manner so that the internal flow channel is communicated with the outside only through the airflow channel of the sealing element, the adjusting element is connected with the base body in a threaded manner and the spiral movement direction of the adjusting element is consistent with the axial direction of the base body, the base body and the container are coaxially arranged, the sealing element can be driven to synchronously move axially when the adjusting element moves spirally, and the rotation of the sealing element along with the adjusting element can be limited through the arrangement of; thus, when pushing the closing element into or out of the container, the operator can easily mount or dismount the compressed air adapter on the container by simply holding the base body of the compressed air adapter and rotating the adjustment element, according to the movement principle: the base body is held to enable the relative position of the base body and the container to be basically fixed, the adjusting element is rotated through force application to enable the adjusting element to generate spiral motion relative to the base body, the sealing element is driven to generate synchronous axial motion, the anti-twisting element can ensure that the motion direction of the sealing element is only axial, namely, the adjusting element does linear motion relative to the container, the rotating motion of the sealing element is avoided, so that the resistance of the sealing element from the container can be reduced, the sealing element can be pushed into or withdrawn from the container more easily, meanwhile, the rotating force is prevented from being transferred to the container or a connector connected to the bottom of the container, the container is prevented from being pulled out from a base of the container or damaged by connecting threads of the container and the connector, therefore, the force application of manual fine control assembly is not needed, and the difficulty.

Drawings

FIG. 1 is an exploded view of a compressed air adapter and container according to a first embodiment of the present invention;

FIG. 2 is a cross-sectional view of an assembled compressed air adapter of a first embodiment of the present invention;

FIG. 3 is a perspective view of a base of a compressed air adapter according to a first embodiment of the present invention;

FIG. 4 is a perspective view of a closure member of a compressed air adapter in accordance with a first embodiment of the present invention;

FIG. 5 is a longitudinal cross-sectional view of FIG. 4;

FIG. 6 is a longitudinal cross-sectional view of an adjustment member of a compressed air adapter according to a first embodiment of the present invention;

FIG. 7 is an exploded view of a compressed air adapter and container according to a second embodiment of the present invention;

FIG. 8 is a schematic view of the assembly of a compressed air adapter and a container according to a second embodiment of the present invention;

FIG. 9 is a schematic of the feed method of a dosing system of the present invention.

Wherein, 10, a substrate; 11. a body; 12. a limiting part; 13. a groove space; 14. a limiting groove; 15. a threaded portion; 20. a closure element; 21. a connecting portion; 211. a torsion resistant block; 212. an assembly hole; 22. a sealing part; 221. a seal ring; 222. a sealing groove; 23. a fourth via hole; 24. a limiting hole; 30. an adjustment element; 31. a first step; 32. a first through hole; 33. a second through hole; 34. a grip portion; 341. a striped structure; 35. a rotating part; 40. an anti-twist element; 50. a receiving assembly; 51. a fastener; 511. a third through hole; 512. a screw connection part; 513. a second step; 52. an anti-twist fitting; 53. a bolt; 100. a container; 110. a limiting flange; A. the axis of the substrate.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element 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 "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.