Floating type airflow connector and airflow transmission device

Abstract

The utility model provides a floating type air flow connector and an air flow transmission device, the connector comprises a butt joint, the butt joint comprises a first end and a second end, the first end is provided with a containing groove, an ejector pin used for abutting against an air nozzle is arranged in the containing groove, and a first air channel is arranged in the ejector pin; the connecting shaft comprises a third end, a fourth end and a second air channel located between the third end and the fourth end; the third end and the second end are connected through a connecting pipe, and the connecting pipe supports the dynamic change of the distance between the third end and the second end; and the first elastic piece is arranged between the butt joint and the connecting shaft, and the first elastic piece is used for providing elastic damping force for mutual approaching between the butt joint and the connecting shaft. According to the connector, when the butt joint is in butt joint with the air tap, large adjusting allowance exists, tight contact between the butt joint and the air tap can be guaranteed, acting force between the butt joint and the air tap cannot be greatly increased, and the requirement for connection operation precision between the airflow connector and the air tap is effectively lowered.

Description

Technical Field

[0001] The utility model relates to the technical field of air flow transmission, in particular to a floating air flow connector and an air flow transmission device. Background Technique

[0002] In modern industry and daily life, gas transmission systems are widely used in many fields, such as pneumatic tools, automation equipment, medical devices, etc. The air flow connector is a key component in the gas transmission system. Most traditional air flow connectors adopt a rigid connection structure, and this design has certain limitations in practical applications.

[0003] Specifically, the rigid connector requires high-precision alignment during the docking process. Slight deviation may lead to air leakage or insecure connection, affecting the normal operation of the system. Especially in industrial sites, the vibration, displacement of equipment and the manual operation of operators will cause inaccurate docking, resulting in gas leakage or joint damage. Moreover, when this rigid connector is configured on an intelligent robotic arm, a precise control program needs to be configured for it. Otherwise, it is very easy to cause incomplete connection or damage to the air flow connector or nozzle due to over-connection. Content of the Utility Model

[0004] The purpose of the utility model is to provide a floating air flow connector and an air flow transmission device that can effectively reduce the operation precision requirements for air flow connection.

[0005] To achieve the above purpose, the utility model provides a floating air flow connector, which includes:

[0006] A docking head, which includes a first end and a second end. The first end is used to dock with the nozzle on the airbag, and a first air passage communicating with the nozzle is arranged in the docking head;

[0007] A connecting shaft, which includes a third end and a fourth end, and a second air passage is arranged in the connecting shaft;

[0008] The third end is connected to the second end through a connecting pipe, so that the second air passage is communicated with the first air passage, and the connecting pipe supports the dynamic change of the distance between the third end and the second end. The fourth end is used to receive or discharge air flow;

[0009] A first elastic member, which is arranged between the docking head and the connecting shaft. By means of the first elastic member, the docking head can approach the connecting shaft with damping.

[0010] Preferably, the first end has a receiving groove for receiving and accommodating the air nozzle. A thimble for abutting against the air nozzle is arranged in the receiving groove. The first air passage is arranged in the thimble and extends from the receiving groove to the second end. The first air passage has a first opening part located in the receiving groove and a second opening part located at the second end.

[0011] Preferably, the connecting pipe is a flexible pipe body so that the length of the connecting pipe can be telescopically changed.

[0012] Preferably, a transition part is further arranged between the first end and the second end. The diameters of the first end, the transition part, and the second end decrease in sequence. The second end extends into the connecting pipe and is hermetically connected to the inner wall of the connecting pipe.

[0013] Preferably, a connecting sleeve is sleeved on the outer peripheral wall of the transition part. A groove surrounding the connecting pipe is arranged at one end of the connecting sleeve facing the second end. A boss is further arranged on the outer peripheral wall of the connecting shaft between the third end and the fourth end. One end of the first elastic member abuts against the bottom wall of the groove, and the other end of the first elastic member abuts against the boss.

[0014] Preferably, the first air passage includes a first section near the first end and a second section near the second end. The diameter of the second section is larger than that of the first section.

[0015] The present utility model further provides an air flow transmission device, which includes the floating air flow connector as described above and an installation base body. The installation base body includes a fifth end and a sixth end. A connecting hole for connecting with the fourth end of the connecting shaft is arranged at the fifth end. A third air passage connected to the connecting hole is arranged in the installation base body. The third air passage is communicated with the second air passage through the connecting hole. An air pipe joint communicated with the third air passage is further arranged on the installation base body.

[0016] Preferably, an installation base slidably connected to the installation base body is further included. A retaining wall is arranged on one side of the installation base near the sixth end. A second elastic member is arranged between the sixth end of the installation base body and the retaining wall. By means of the second elastic member, the installation base body can approach the retaining wall with damping.

[0017] Preferably, a slide rail is arranged on the installation base, and a slide table slidably connected to the slide rail is arranged at the bottom of the installation base body.

[0018] Preferably, a pressure monitoring device communicated with the third air passage is further arranged on the installation base body.

[0019] Compared with the prior art, for the air flow connector provided by the above technical solution of the present utility model, the connecting pipe supports the dynamic change of the distance between the docking head and the connecting shaft, and the first elastic member can provide an elastic damping force between the docking head and the connecting shaft, so that the docking head can freely float relative to the connecting shaft within a certain range. Then, when the docking head docks with the air nozzle, there is a large adjustment margin. Thus, it can not only ensure the close contact between the docking head and the air nozzle, but also will not significantly increase the acting force between the docking head and the air nozzle, which effectively reduces the requirement for the connection operation precision between the air flow connector and the air nozzle, improves the operation convenience, and is particularly suitable for being configured with an intelligent manipulator. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 FIG. is a three-dimensional structure diagram of the air flow connector in an embodiment of the present utility model.

[0021] Figure 2 is Figure 1 exploded view of.

[0022] Figure 3 is Figure 1 longitudinal sectional view of.

[0023] Figure 4 FIG. is a plan structure diagram of the docking head in an embodiment of the present utility model.

[0024] Figure 5 FIG. is a three-dimensional view of the docking head in an embodiment of the present utility model.

[0025] Figure 6 is Figure 4 longitudinal sectional view of.

[0026] Figure 7 FIG. is a three-dimensional structure diagram of the connecting shaft in an embodiment of the present utility model.

[0027] Figure 8 FIG. is a three-dimensional structure diagram of the air flow transmission device in an embodiment of the present utility model.

[0028] Figure 9 is Figure 8 plan structure diagram of.

[0029] Figure 10 is Figure 9 longitudinal sectional view of.

[0030] Figure 11 FIG. is a three-dimensional structure diagram of the air nozzle in the prior art. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0031] In order to describe in detail the technical content, structural features, achieved purposes and effects of the present utility model, the following is described in detail in conjunction with the embodiments and with reference to the drawings.

[0032] This embodiment discloses a floating air flow connector for docking with a nozzle Q, as Figure 11 , to supply air flow to or discharge air flow from an air cavity through the nozzle Q. Here, it should be noted that the nozzle Q, also known as a valve core, is a commonly used device in this field, and its structure and working principle will not be described in detail.

[0033] As Figures 1 to 7 , the air flow connector includes a docking head 1, a connecting shaft 2, and a connecting pipe 3.

[0034] The docking head 1 includes a first end 10 and a second end 11. The first end 10 has a receiving groove 12 for receiving and accommodating the nozzle Q. A thimble 13 for abutting against the nozzle Q is provided in the receiving groove 12. A first air passage 14 is provided in the thimble 13. The first air passage 14 extends from the receiving groove 12 to the second end 11. The first air passage 14 has a first opening 140 located in the receiving groove 12 and a second opening 141 located at the second end 11.

[0035] When the docking head 1 approaches the nozzle Q such that the nozzle Q enters the receiving groove 12, the thimble 13 in the receiving groove 12 abuts against the nozzle Q, and the air flow passage in the nozzle Q is opened by this abutting force, so that the air flow in the first air passage 14 enters the nozzle Q or the air flow in the nozzle Q is discharged into the first air passage 14.

[0036] The connecting shaft 2 includes a third end 20 and a fourth end 21. There is a second air passage 22 with both ends open between the third end 20 and the fourth end 21.

[0037] The third end 20 is connected to the second end 11 through a connecting pipe 3 so that the second air passage 22 is communicated with the first air passage 14, and the connecting pipe 3 supports the dynamic change of the distance between the third end 20 and the second end 11. The fourth end 21 is used to receive or discharge air flow.

[0038] In addition, a first elastic member k1 is further provided between the docking head 1 and the connecting shaft 2. When the docking head 1 docks with the nozzle Q, the first elastic member k1 provides an elastic damping force for the mutual approach between the docking head 1 and the connecting shaft 2, so that the contact pressure between the docking head 1 and the nozzle Q can be adaptively adjusted. When the docking head 1 is separated from the nozzle Q, under the action of the elastic restoring force of the first elastic member k1, the distance between the docking head 1 and the connecting shaft 2 is automatically reset.

[0039] For the air flow connector disclosed in this embodiment, the connecting pipe 3 supports the dynamic change of the distance between the docking head 1 and the connecting shaft 2. The first elastic member k1 can provide an elastic damping force between the docking head 1 and the connecting shaft 2, so that the docking head 1 can freely float relative to the connecting shaft 2 within a certain range. Then, when the docking head 1 docks with the air nozzle Q, there is a large adjustment margin. Thus, it can not only ensure the close contact between the docking head 1 and the air nozzle Q, but also will not significantly increase the acting force between the docking head 1 and the air nozzle Q. This effectively reduces the requirement for the connection operation accuracy between the air flow connector and the air nozzle Q, improves the operation convenience, and is particularly suitable for being configured with an intelligent manipulator.

[0040] Specifically, the connecting pipe 3 is a flexible pipe body so that the length of the connecting pipe 3 can be stretched and changed. For example, the connecting pipe 3 can be made of PE material or silica gel material, and a corrugated pipe can also be used as the connecting pipe 3.

[0041] On the other hand, a transition portion 15 is also provided between the first end 10 and the second end 11. The diameters of the first end 10, the transition portion 15, and the second end 11 decrease in sequence. The second end 11 extends into the connecting pipe 3 and is hermetically connected to the inner wall of the connecting pipe 3. Since the second end 11 is also the end of the first air passage 14, therefore, placing the second end 11 into the connecting pipe 3 can effectively ensure the airtightness between the first air passage 14 and the inner cavity of the connecting pipe 3.

[0042] Furthermore, a connecting sleeve 6 is sleeved on the outer peripheral wall of the transition portion 15. A groove 60 surrounding the connecting pipe 3 is provided at one end of the connecting sleeve 6 facing the second end 11. A boss 23 is also provided on the outer peripheral wall of the connecting shaft 2 between the third end 20 and the fourth end 21. One end of the first elastic member k1 abuts against the bottom wall of the groove 60, and the other end of the first elastic member k1 abuts against the boss 23. In this embodiment, through the setting of the connecting sleeve 6, the installation stability of the first elastic member k1 can be effectively ensured.

[0043] On the other hand, as Figure 6 , the first air passage 14 includes a first section 142 close to the first end 10 and a second section 143 close to the second end 11. The diameter of the second section 143 is larger than that of the first section 142. Since the diameter of the second section 143 is larger than that of the first section 142, when delivering air flow to the air nozzle Q, the air pressure of the air flow provided to the air nozzle Q can be effectively increased, thereby increasing the air delivery rate.

[0044] In another embodiment of the present utility model, an air flow transmission device is also disclosed for supplying or discharging air flow. As Figures 8 to 10, which includes an air flow connector having the above structure and a mounting base 4. The mounting base 4 includes a fifth end 40 and a sixth end 41. The fifth end 40 is provided with a connection hole 42 for connecting with the fourth end 21 of the connecting shaft 2. A third air passage 43 connected to the connection hole 42 is provided inside the mounting base 4. The third air passage 43 communicates with the second air passage 22 through the connection hole 42. A tracheal connector 70 communicating with the third air passage 43 is also provided on the mounting base 4. An external air source inputs air flow into the third air passage 43 through the tracheal connector 70. At the same time, the air flow in the third air passage 43 is also discharged outward through the tracheal connector 70. In addition, a solenoid valve is provided on the tracheal connector 70.

[0045] When it is necessary to provide air flow to an air cavity with a nozzle Q through the air flow transmission device, the docking head 1 is docked with the nozzle Q, the air source is connected to the first air port 60, and the second air port 61 is closed at the same time. The air flow output by the air source enters the third air passage 43 through the first air port 60, then enters the second air passage 22 through the third air passage 43, then enters the first air passage 14 through the second air passage 22, and finally enters the nozzle Q through the first air passage 14.

[0046] When it is necessary to discharge the air flow through the above air flow transmission device, the docking head 1 is docked with the nozzle Q, the air source is closed, and the second air port 61 is opened at the same time. The air flow released from the nozzle Q enters the first air passage 14, then enters the second air passage 22, then enters the third air passage 43 through the second air passage 22, and finally is discharged from the second air port 61.

[0047] On the other hand, the air flow transmission device further includes a mounting base 5 slidably connected to the mounting base 4. A retaining wall 52 is further provided on one side of the mounting base 5 close to the sixth end 41. A second elastic member k2 is provided between the sixth end 41 of the mounting base 4 and the retaining wall 52. With the help of the second elastic member k2, the mounting base 4 can approach the retaining wall 52 with damping. In this embodiment, during the docking process of the docking head 1 and the nozzle Q, through the setting of the second elastic member k2, the operation margin can be further improved, and moreover, the mounting base 5 can be controlled to drive the docking head 1 to automatically approach the nozzle Q.

[0048] Specifically, a slide rail 50 is provided on the mounting base 5, and a slide table 51 slidably connected to the slide rail 50 is provided at the bottom of the mounting base 4.

[0049] On the other hand, a pressure monitoring device 71 communicating with the third air passage 43 is also provided on the mounting base 4. Through the pressure monitoring device 71, the air pressure in the third air passage 43 can be monitored in real time to improve the safety of air flow transmission.

[0050] The above-disclosed are only the preferred embodiments of the present utility model, and of course, the scope of rights of the present utility model cannot be limited thereby. Therefore, equivalent changes made according to the scope of the patent application of the present utility model still fall within the scope covered by the present utility model.

Claims

1. A floating airflow connector, characterized in that: include: A docking joint, comprising a first end and a second end, wherein the first end is used to dock with an air nozzle on the airbag, and a first air passage communicating with the air nozzle is provided in the docking joint; A connecting shaft, comprising a third end and a fourth end, wherein a second air passage is disposed in the connecting shaft; The third end is connected to the second end through a connecting pipe so that the second air channel is connected to the first air channel, and the connecting pipe supports the dynamic change of the distance between the third end and the second end, and the fourth end is used to receive or discharge airflow; A first elastic member is arranged between the docking head and the connecting shaft. With the aid of the first elastic member, the docking head can approach the connecting shaft with damping.

2. The floating airflow connector according to claim 1, characterized in that: The first end has a receiving groove, which is used to receive and accommodate the air nozzle. A pin for abutting against the air nozzle is arranged in the receiving groove. The first air duct is arranged in the pin. The first air duct extends from the receiving groove to the second end. The first air duct has a first opening portion located in the receiving groove and a second opening portion located at the second end.

3. The floating airflow connector according to claim 1, characterized in that: The connecting pipe is a flexible pipe body, so that the length of the connecting pipe can be telescopically changed.

4. The floating airflow connector according to claim 1, characterized in that: A transition portion is also provided between the first end and the second end, and the diameters of the first end, the transition portion and the second end are successively reduced, and the second end extends into the connecting pipe and is sealedly connected to the inner wall of the connecting pipe.

5. The floating airflow connector according to claim 4, characterized in that: A connecting sleeve is also sleeved on the outer peripheral wall of the transition portion, and a groove surrounding the connecting tube is provided at one end of the connecting sleeve facing the second end. A boss located between the third end and the fourth end is also provided on the outer peripheral wall of the connecting shaft, one end of the first elastic member abuts against the bottom wall of the groove, and the other end of the first elastic member abuts against the boss.

6. The floating airflow connector according to claim 1, characterized in that: The first air channel includes a first section near the first end and a second section near the second end, wherein a diameter of the second section is greater than a diameter of the first section.

7. An air flow transmission device, characterized in that: It comprises a floating airflow connector and a mounting base as described in any one of claims 1 to 6, wherein the mounting base comprises a fifth end and a sixth end, the fifth end is provided with a connecting hole for connecting to the fourth end of the connecting shaft, a third air channel connected to the connecting hole is provided in the mounting base, the third air channel is connected to the second air channel through the connecting hole, and an air pipe joint connected to the third air channel is also provided on the mounting base.

8. The air flow transmission device according to claim 7, characterized in that: It also includes a mounting base slidably connected to the mounting base, a retaining wall is provided on one side of the mounting base close to the sixth end, a second elastic member is provided between the sixth end of the mounting base and the retaining wall, and with the aid of the second elastic member, the mounting base can be close to the retaining wall with damping.

9. The air flow transmission device according to claim 8, characterized in that: The installation base is provided with a slide rail, and the bottom of the installation base is provided with a slide platform slidably connected with the slide rail.

10. The air flow transmission device according to claim 7, characterized in that: The mounting base is also provided with an air pressure monitoring device which is in communication with the third air passage.

Images