CN114246997B - A negative pressure drainage tube connection device with enhanced sealing performance - Google Patents

Abstract

The invention discloses a negative pressure drainage tube connecting device for enhancing tightness, which relates to the technical field of medical equipment and comprises a first connecting tube and a third connecting tube, wherein the rear ends of the left side surface and the right side surface of the first connecting tube are fixedly connected with a first spring shaft, the circumferential side surface of the first spring shaft is in penetrating rotation connection with a first connecting tube, the rear end of the first connecting tube is fixedly connected with a second connecting tube, one end of the second connecting tube, which is far away from the first connecting tube, is fixedly connected with a fourth connecting tube, the rear end of the first connecting tube, which is far away from the first connecting tube, is in rotation connection with a third connecting tube through a bearing, one end of the fourth connecting tube, which is close to the first connecting tube, is fixedly connected with a lower cover, the lower ends of the upper cover are attached to the upper end of the lower cover, the rear ends of the upper cover and the lower cover are fixedly connected with a second spring shaft, the side surfaces of the second spring shaft are fixedly connected with a baffle, and the front side surface of the baffle is fixedly connected with a connecting plate.

Description

A negative pressure drainage tube connection device with enhanced sealing performance

Technical field

The present invention relates to the technical field of medical equipment, and in particular to a negative pressure drainage tube connection device with enhanced sealing performance.

Background technique

Negative pressure drainage is a new medical technology used to treat wounds. It acts on the wound surface after debridement through drainage tubes and dressings. The negative pressure drainage device draws out the accumulated fluid on the wound surface and accelerates blood circulation in the wound area. Promoting new blood to enter the wound surface and stimulating the growth of granulation tissue can significantly speed up wound healing. During negative pressure drainage operations, a negative pressure drainage device is usually used.

For example, according to the Chinese patent authorization announcement number CN 212327051 U, "a negative pressure drainage device with a drainage pipe with a quick connection structure" is provided with a joint pipe, and the user inserts the joint pipe into the liquid inlet pipe. The surface of the joint pipe The ladder conflicts with the slope of one end of the chuck, causing the chuck to move to the side away from the joint pipe. The spring is compressed by the pressing rod, and when the chuck is located in the depression of the ladder on the surface of the joint pipe, the spring returns The elastic force drives the push rod and the chuck to reset, so that the chuck can be inserted into the depression on the surface of the joint pipe to facilitate disassembly and assembly. However, after the joint is connected, slight changes may occur between the chuck and the joint pipe ladder during use. The sliding will cause gaps in the joints, resulting in poor sealing of the joints and reducing the effect of negative pressure drainage.

Contents of the invention

The object of the present invention is to provide a negative pressure drainage tube connecting device with enhanced sealing performance, which solves the technical problems of gaps in the joint joints, poor sealing performance, and reduced negative pressure drainage effect.

In order to achieve the above object, the present invention provides the following technical solution: a negative pressure drainage tube connection device with enhanced sealing performance, including a connecting tube one and a connecting tube three. The rear ends of the left and right sides of the connecting tube one are fixedly connected with spring shafts. One, the circumferential side of the spring shaft one is connected with the connecting block one through rotation, the rear end of the connecting block one is fixedly connected with the connecting block two, and the end of the connecting block two away from the connecting pipe one is fixedly connected with the upper cover. The end of the spring shaft one away from the connecting pipe one is rotatably connected to the connecting block three through the bearing. The rear end of the connecting block three is fixedly connected to the connecting block four. The end of the connecting block four close to the connecting pipe one is fixedly connected to the lower end. Cover, the lower end of the upper cover fits the upper end of the lower cover, the rear ends of the upper cover and the lower cover are fixedly connected with two spring shafts, and the sides of the two spring shafts are fixedly connected with baffles, and the baffles The front side of the connecting plate is fixedly connected with a connecting plate, the front end of the connecting plate is fixedly connected with a clamping plate, the front end of the clamping plate is provided with a clamping slot, the rear end of the connecting pipe one is fixedly connected with a connecting pipe two, the connection The outer front end of tube three is fixedly connected to a soft sealing sleeve, the rear end of connecting tube two is slidingly connected to the front end of the inner wall of connecting tube three, and the rear end of connecting tube one is slidingly connected to the front end of the inner wall of the soft sealing sleeve. The front ends of the inner walls of the upper cover and the lower cover are fixedly connected with clamping rings. The outer front end of the sealing soft sleeve fits the inner side of the clamping ring. The outer side of the connecting pipe three is fixedly connected to the rear end of the sealing sleeve. There is a fixed ring, and the side of the clamping plate is slidingly connected to the rear side of the fixed ring.

Preferably, the slot at the front end of the clamping plate fits the rear end of the connecting pipe two.

Preferably, the front ends of the upper surface of the upper cover and the lower surface of the lower cover are fixedly connected with fixed seats, the surface of the fixed seats is provided with a groove, and the inner wall of the groove of the fixed seat is connected with a rotating shaft through a bearing. , a control panel is fixedly connected to the circumferential side of the rotating shaft one, a connecting rope is fixedly connected to the rear end of the control panel, a connecting seat is fixedly connected to the rear end of the connecting rope, and one end of the connecting seat away from the connecting rope is fixed The connecting baffle faces away from the side of the connecting plate.

Preferably, the upper surface of the upper cover and the rear end of the lower surface of the lower cover are fixedly connected with vertical plates. The front side of the vertical plates is provided with a through groove, and the inner walls of the through grooves of the vertical plates are rotationally connected through bearings. There are two spindles.

Preferably, the surface of the connecting rope is slidingly connected to the circumferential side of the second rotating shaft.

Preferably, a cannula is fixedly connected to the front end of the connecting tube one.

Preferably, the rear end of the connecting pipe three is fixedly connected to the connecting pipe four, and the lower end of the connecting pipe four is fixedly connected to a negative pressure drainage machine.

Compared with related technologies, the negative pressure drainage tube connection device with enhanced sealing provided by the present invention has the following beneficial effects:

The invention provides a negative pressure drainage tube connecting device with enhanced sealing performance. Through the connecting tube 2, the sealing soft sleeve and the clamping ring, the rear end of the connecting tube 2 is aligned with the front end of the inner wall of the connecting tube 3 and inserted, so that the rear end of the connecting tube 1 is connected to the inner wall of the connecting tube 3. The three front ends of the connecting tube fit tightly to achieve the first layer of sealing effect. At the same time, the rear end of the connecting tube is also inserted into the front end of the inner wall of the sealing sleeve to achieve the second layer of sealing effect. Then the force is slowly withdrawn, and the elastic recovery of the spring shaft drives the upper cover and The lower cover is closed. When the upper cover and the lower cover are closed, they can just be enclosed on the outside of the sealing soft sleeve, and the clamping plate can slide to the rear side of the fixed ring and be stuck to prevent the connecting pipe three and the connecting pipe one from accidentally detaching during use. At the same time, the upper cover The clamping ring set on the front end of the inner wall of the lower cover can clamp the front end of the sealing sleeve, further improving the sealing effect between the sealing sleeve and the joint. The triple seal plus the engagement of the clamping plate and the fixed ring makes the connecting pipe one and the connecting pipe The three joints have good sealing properties and will not shake during use to avoid gaps caused by movement. This solves the technical problem of gaps in the joints, poor sealing, and reduced negative pressure drainage effect.

The invention provides a negative pressure drainage tube connecting device with enhanced sealing performance. By providing a clamping plate, when the connecting pipe one and the connecting pipe three are jointly sealed, the clamping plate can slide to the rear side of the fixed ring and block the connecting pipe three to prevent the connecting pipe three from being used. When the connection pipe is accidentally separated, the connection stability is improved. When the connection is not required, the upper cover and the lower cover rotate close to each other and fit together. At this time, the two rear ends of the connecting pipe fit into the slot at the front end of the clamping plate, and the clamping The plate plays a supporting role and cooperates with the spring axis 1 to improve the stability of the upper cover and the lower cover on the connecting pipe 1 to prevent the upper cover and lower cover from shaking and causing damage during daily use. The upper cover and the lower cover protect the connecting pipe 2 Avoid damage and contamination internally, thereby avoiding infection of the patient's wound and improving safety.

The invention provides a negative pressure drainage tube connecting device with enhanced sealing performance. By arranging a second rotating shaft, when opening and closing the upper and lower baffles, the middle part of the connecting rope slides along the surfaces of the two rotating shafts, thereby reducing friction and preventing the connecting rope from being damaged. stuck, making the baffle rotate more smoothly, reducing device operation failures, and extending the life of the connecting rope to prevent the connecting rope from breaking during use.

The invention provides a negative pressure drainage tube connection device with enhanced sealing performance. By providing a fixed seat and a control panel, the opening and closing of the baffle and the opening and closing of the upper cover and the lower cover are controlled in two stages, and the control panel only needs to be rotated in one direction. It can complete the joint sealing and clamping of the connecting pipe one and the connecting pipe three, as well as the subsequent disassembly, support and protection of the connecting pipe two, simplifying the operation steps, realizing many functions in a single operation, making it more convenient to use, and improving work efficiency.

Description of the drawings

Figure 1 is a schematic diagram of the overall structure of the present invention;

Figure 2 is a schematic disassembly diagram of a structure of the connecting pipe of the present invention;

Figure 3 is a partially enlarged schematic diagram of position A in Figure 1 of the present invention;

Figure 4 is a partially enlarged schematic view of B in Figure 2 of the present invention;

Figure 5 is a partially enlarged schematic diagram of position C in Figure 1 of the present invention.

In the picture: 1. Connecting tube one, 2. Spring shaft one, 3. Connecting block one, 4. Connecting block two, 5. Upper cover, 6. Connecting block three, 7. Connecting block four, 8. Lower cover, 9 , spring shaft two, 10. baffle, 11. connecting plate, 12. clamping plate, 13. clamping groove, 14. connecting pipe two, 15. clamping ring, 16. connecting pipe three, 17. soft sealing sleeve, 18 , Fixed ring, 19. Fixed base, 20. Rotating shaft one, 21. Control panel, 22. Connecting rope, 23. Vertical plate, 24. Rotating shaft two, 25. Connecting seat, 26. Intubation tube, 27. Connecting tube four, 28. Negative pressure drainage machine.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them; based on The embodiments of the present invention and all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

Example 1:

Please refer to Figures 1 to 3. The present invention provides a technical solution, which includes a connecting pipe 1 and a connecting pipe 3 16. The rear ends of the left and right sides of the connecting pipe 1 are fixedly connected with a spring shaft 2, and the spring shaft 2 The side of the circumference is connected with a connecting block 3 through rotation, the rear end of the connecting block 3 is fixedly connected with a connecting block 2 4, the end of the connecting block 2 4 away from the connecting pipe 1 is fixedly connected with an upper cover 5, and the spring shaft 2 is far away from the connection One end of the pipe one 1 is connected to the connecting block 36 through bearing rotation, and the rear end of the connecting block 36 is fixedly connected to the connecting block 47. One end of the connecting block 47 close to the connecting pipe 1 is fixedly connected to the lower cover 8 and the upper cover. The lower end of 5 fits the upper end of the lower cover 8. The rear ends of the upper cover 5 and the lower cover 8 are fixedly connected with a spring shaft 29. The side of the spring shaft 29 is fixedly connected with a baffle 10, and the front side of the baffle 10 is fixed. A connecting plate 11 is connected to the front end of the connecting plate 11. A clamping plate 12 is fixedly connected to the front end of the clamping plate 12. A clamping slot 13 is provided at the front end of the clamping plate 12. The rear end of the connecting pipe 1 is fixedly connected to a connecting pipe 2 14, and the outer end of the connecting pipe 3 16 is fixedly connected. The front end of the side is fixedly connected with a soft sealing sleeve 17. The rear end of the connecting pipe 2 14 is slidably connected to the front end of the inner wall of the connecting pipe 3 16. The rear end of the connecting pipe 1 is slidably connected to the front end of the inner wall of the soft sealing sleeve 17. The upper cover 5 and the lower The front end of the inner wall of the cover 8 is fixedly connected with a clamping ring 15. The outer front end of the sealing soft sleeve 17 is close to the inner side of the clamping ring 15. The rear end of the sealing sleeve 17 on the outer side of the connecting pipe 316 is fixedly connected with a fixed sleeve. Ring 18, the side of the clamping plate 12 is slidingly connected to the rear side of the fixed ring 18, the upper surface of the upper cover 5 and the lower surface of the lower cover 8 are fixedly connected to the front ends of the fixing base 19, and the surface of the fixing base 19 is provided with a groove to fix it. The inner wall of the groove of the seat 19 is rotatably connected to a rotating shaft 20 through a bearing. The circumferential side of the rotating shaft 20 is fixedly connected to a control panel 21. The rear end of the control panel 21 is fixedly connected to a connecting rope 22. The rear end of the connecting rope 22 is fixedly connected to Connecting seat 25, one end of the connecting seat 25 away from the connecting rope 22 is fixedly connected to the side of the baffle 10 facing away from the connecting plate 11, the front end of the connecting tube one 1 is fixedly connected to the intubation tube 26, and the rear end of the connecting tube three 16 is fixedly connected to the connecting tube 27, the lower end of the connecting pipe 27 is fixedly connected with a negative pressure drainage machine 28.

In this embodiment: when it is necessary to join the connecting pipe 1 and the connecting pipe 3 16, hold the connecting pipe 1 and use two fingers to clasp the upper and lower control panels 21 respectively and pull the lower end of the control panel 21 forward. Rotating with the rotating shaft 20 as the axis, when the upper end of the control panel 21 rotates forward, the upper and lower baffles 10 are pulled to a horizontal state through the connecting rope 22 and the connecting seat 25, thereby opening the rear side of the upper cover 5 and the lower cover 8 Open, then continue to pull the control panel 21 to the front side and drive the upper cover 5 and the lower cover 8 to rotate around the spring axis 12 through the fixed seat 19, thereby separating the upper cover 5 and the lower cover 8, and connect the connecting tube 214 The rear end is aligned with the front end of the inner wall of connecting pipe three 16 and the front end is inserted so that the rear end of connecting pipe one 1 closely fits the front end of connecting pipe three 16 to achieve the first layer of sealing effect. At the same time, the rear end of connecting pipe one 1 is also inserted into the front end of the inner wall of the sealing soft sleeve 17 It has a second layer of sealing effect, and then the force is slowly withdrawn. The elastic recovery of the spring shaft 12 drives the upper cover 5 and the lower cover 8 to close. When the upper cover 5 and the lower cover 8 are closed, they can just be enclosed on the outside of the soft sealing sleeve 17. And the clamping plate 12 can slide to the back side of the fixed ring 18 and be stuck to prevent the connecting pipe 3 16 and the connecting pipe 1 from accidentally detaching during use. At the same time, the clamping ring 15 provided at the front end of the inner wall of the upper cover 5 and the lower cover 8 can seal the soft sleeve. The front end of 17 is clamped to further improve the sealing effect between the soft sealing sleeve 17 and the joint. The triple seal plus the engagement of the clamping plate 12 and the fixed ring 18 makes the joints of connecting pipe 1 1 and connecting pipe 3 16 have good sealing properties. , and will not shake when used, avoiding gaps caused by movement, and solving the technical problem of gaps in the joints, poor sealing, and reduced negative pressure drainage effect.

Example 2:

Please refer to Figures 2 and 4. Based on the first embodiment, the present invention provides a technical solution: the front end slot 13 of the clamping plate 12 fits the rear end of the connecting pipe 2 14.

In this embodiment: when the upper and lower baffles 10 are closed, the upper cover 5 and the lower cover 8 rotate close to each other and fit together. At this time, the rear end of the connecting tube 14 fits at the front end of the clamping plate 12 at the slot 13. The clamping plate 12 has a supporting effect, and cooperates with the spring shaft 12 to improve the stability of the upper cover 5 and the lower cover 8 on the connecting pipe 1 to prevent the upper cover 5 and the lower cover 8 from shaking and causing damage during daily use. 5 and the lower cover 8 protect the connecting tube 2 14 internally from damage and contamination, thereby avoiding infection of the patient's wound and improving safety.

Embodiment three:

Please refer to Figures 1 and 5. Based on the second embodiment, the present invention provides a technical solution: the upper surface of the upper cover 5 and the rear end of the lower surface of the lower cover 8 are fixedly connected with vertical plates 23. The vertical plates 23 There is a through groove running through the front side of the vertical plate 23. The inner wall of the through groove of the vertical plate 23 is rotationally connected to the second rotating shaft 24 through a bearing. The surface of the connecting rope 22 is slidingly connected to the circumferential side of the second rotating shaft 24.

In this embodiment: when opening and closing the upper and lower baffles 10, the middle part of the connecting rope 22 slides along the surface of the rotating shaft 24, thereby reducing friction and preventing the connecting rope 22 from being stuck, making the baffle 10 rotate more smoothly and reducing If the device fails to operate, it can increase the life of the connecting rope 22 and prevent the connecting rope 22 from breaking during use.

Working principle: The negative pressure drainage machine 28 is an existing technology and will not be described in detail. The front end of the intubation tube 26 remains in the patient's wound. When it is necessary to join the connecting tube 1 with the connecting tube 3 16, hold the connecting tube 1 and use two of them. Hold the upper and lower control panels 21 with your fingers respectively and pull them forward. The lower end of the control panel 21 rotates around the rotating shaft 20. When the upper end of the control panel 21 rotates forward, the upper and lower control panels 21 are connected through the connecting rope 22 and the connecting seat 25. The baffle 10 is pulled to a horizontal state, thereby opening the rear openings of the upper cover 5 and the lower cover 8, and the middle part of the connecting rope 22 slides along the surface of the rotating shaft 24, thereby reducing friction and preventing the connecting rope 22 from being stuck, causing the baffle to 10 rotates more smoothly, then continue to pull the control panel 21 to the front and drive the upper cover 5 and the lower cover 8 to rotate around the spring axis 2 through the fixed seat 19, thereby separating the upper cover 5 and the lower cover 8, and connect the Align the rear end of tube two 14 with the front end of the inner wall of connecting tube three 16 and insert it so that the rear end of connecting tube one 1 closely fits the front end of connecting tube three 16 to achieve the first layer of sealing effect. At the same time, a soft sealing sleeve is also inserted into the rear end of connecting tube one 1. 17 The front end of the inner wall has a second layer of sealing effect, and then slowly withdraws the force. The elastic recovery of the spring axis 12 drives the upper cover 5 and the lower cover 8 to close. When the upper cover 5 and the lower cover 8 are closed, they can be enclosed in the soft sealing sleeve. 17 outside, and the clamping plate 12 can slide to the back side of the fixing ring 18 to prevent the connecting pipe 3 16 from being accidentally separated from the connecting pipe 1 1 during use. At the same time, the clamping ring 15 provided at the front end of the inner wall of the upper cover 5 and the lower cover 8 can The front end of the sealing sleeve 17 is clamped to further improve the sealing effect between the sealing sleeve 17 and the joint. The triple seal plus the engagement of the clamping plate 12 and the fixed ring 18 makes the joints of the connecting pipe 1 1 and the connecting pipe 3 16 have good It has excellent sealing performance and will not shake when used to avoid gaps caused by movement. It solves the technical problem of gaps in the joints, poor sealing, and reduced negative pressure drainage effect.

After the connection is completed, the negative pressure drainage machine 28 is turned on to form a negative pressure through the connecting tube four 27, the connecting tube three 16 and the connecting tube one 1 to suck the patient's body fluid from the opening of the intubation tube 26, thereby realizing the work of negative pressure drainage. After use, as needed When disassembling, buckle the control panel 21 to separate the upper cover 5 and the lower cover 8, loosen the front end of the sealing soft sleeve 17 with the clamping ring 15, and then slowly pull out the front end of the connecting pipe 2 14 from the inner wall of the connecting pipe 3 16, and then Clean and disinfect the connecting pipe 214, and then slowly release the control panel 21. The elastic recovery of the spring shaft 9 causes the baffle 10 to rotate and close. When the upper and lower baffles 10 are closed, the upper cover 5 and the lower cover 8 rotate closer. And fit together. At this time, the rear end of the connecting tube 2 14 fits at the front end slot 13 of the clamping plate 12. The clamping plate 12 plays a supporting role, and cooperates with the spring shaft 12 to lift the upper cover 5 and the lower cover 8 on the connecting tube. The stability of the upper cover 1 prevents the upper cover 5 and the lower cover 8 from shaking during daily use and causes damage. The upper cover 5 and the lower cover 8 protect the connecting tube 2 14 internally to avoid damage and contamination, thereby preventing infection of the patient. of wounds to improve safety.

Claims (7)

1. The utility model provides a strengthen negative pressure drainage tube connecting device of leakproofness, includes connecting pipe one (1) and connecting pipe three (16), its characterized in that: the left side and right side rear end of connecting pipe one (1) are all fixedly connected with spring axle one (2), the circumference side of spring axle one (2) runs through and rotates and be connected with connecting block one (3), the rear end fixedly connected with connecting block two (4) of connecting block one (3), the one end fixedly connected with upper cover (5) of connecting pipe one (1) is kept away from to connecting block two (4), the one end that connecting pipe one (1) was kept away from to spring axle one (2) is rotated through the bearing and is connected with connecting block three (6), the rear end fixedly connected with connecting block four (7) of connecting block three (6), the one end fixedly connected with lower cover (8) that connecting block four (7) is close to connecting pipe one (1), the upper end of lower cover (8) is laminated to the lower extreme of upper cover (5), the rear end of upper cover (5) and lower cover (8) are all fixedly connected with spring axle two (9), the side fixedly connected with baffle (10) of spring axle two (9), the front side fixedly connected with connecting plate (11) of baffle (10), the front end fixedly connected with connecting plate (11) of connecting plate (12), the front end fixedly connected with connecting plate (13) of connecting pipe one (12), the outer side front end of the connecting pipe III (16) is fixedly sleeved with a sealing soft sleeve (17), the rear end of the connecting pipe II (14) is connected with the front end of the inner wall of the connecting pipe III (16) in a sliding mode, the rear end of the connecting pipe I (1) is connected with the front end of the inner wall of the sealing soft sleeve (17) in a sliding mode, the front ends of the inner walls of the upper cover (5) and the lower cover (8) are fixedly connected with clamping rings (15), the outer side front end of the sealing soft sleeve (17) is attached to the inner side surface of the clamping rings (15), the rear end of the outer side surface sealing soft sleeve (17) of the connecting pipe III (16) is fixedly sleeved with a fixing ring (18), and the side surface of the clamping plate (12) is connected with the rear side surface of the fixing ring (18) in a sliding mode.

2. The negative pressure drainage tube connecting device for reinforcing sealability according to claim 1, wherein: the front end clamping groove (13) of the clamping plate (12) is attached to the rear end of the connecting pipe II (14).

3. The negative pressure drainage tube connecting device for reinforcing sealability according to claim 1, wherein: the upper surface of upper cover (5) and lower surface front end of lower cover (8) are all fixedly connected with fixing base (19), the surface of fixing base (19) is seted up flutedly, the recess inner wall of fixing base (19) is connected with pivot one (20) through the bearing rotation, the circumference side fixedly connected with of pivot one (20) controls board (21), the rear end fixedly connected with who controls board (21) connects rope (22), the rear end fixedly connected with connecting seat (25) of connecting rope (22), the side that one end fixedly connected baffle (10) of connecting rope (22) deviate from connecting plate (11) is kept away from to connecting seat (25).

4. The negative pressure drainage tube connecting device for reinforcing sealability according to claim 1, wherein: the upper surface of upper cover (5) and lower surface rear end of lower cover (8) are all fixedly connected with riser (23), logical groove has been seted up in the leading flank of riser (23) in the penetration, logical inslot wall of riser (23) is connected with pivot two (24) through the bearing rotation.

5. A negative pressure drainage tube connection device for enhanced sealability as claimed in claim 3, wherein: the surface of the connecting rope (22) is connected with the circumferential side surface of the second rotating shaft (24) in a sliding manner.

6. The negative pressure drainage tube connecting device for reinforcing sealability according to claim 1, wherein: the front end of the first connecting pipe (1) is fixedly connected with a cannula (26).

7. The negative pressure drainage tube connecting device for reinforcing sealability according to claim 1, wherein: the rear end of the connecting pipe III (16) is fixedly connected with a connecting pipe IV (27), and the lower end of the connecting pipe IV (27) is fixedly connected with a negative pressure drainage machine (28).