Three-liter bag negative pressure suction device

Abstract

The utility model discloses a three-liter bag negative pressure suction device, which belongs to the field of suction devices, and comprises a reversing cover plate, a top end shaft bracket is inserted into the inner top wall of the reversing cover plate, a plurality of pneumatic plates are fixed on the side surface of the top end shaft bracket, the pneumatic plates are integrally arranged in an arc shape, a middle separation seat is inserted into the bottom of the reversing cover plate, and the middle separation seat is fixed on the top end shaft bracket. The bottom end of the top end shaft frame is inserted into the inner wall of the middle separation base, and the two sides of the reversing cover plate are connected with the middle separation base through a conduction assembly. The pneumatic plate and the top end shaft frame are arranged in a matched mode, the pneumatic plate can be driven by air of the air supply channel and the air exhaust channel to rotate forwards and backwards, then the bottom rotating shaft frame can be driven to rotate forwards and backwards to provide suction force or blowing force for the three-liter bag, and then the three-liter bag can be placed on the storage rack. The difficulty of replacing the three-liter bag by a worker is effectively reduced, meanwhile, flushing fluid can be discharged and recycled, and the practicability of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to suction device technical field especially relates to a three liter bag negative pressure suction device. BACKGROUND

[0002] Three liter bags are common containers for storing irrigation fluid during surgery. The three liter bag is often hung on a drip stand during surgery. After the liquid in the three liter bag is used up, medical staff need to take down the three liter bag from the drip stand to replace the position of the drainage device. Since the three liter bag is heavy, it is very inconvenient for medical staff to operate. In order to reduce the work intensity of medical staff in replacing the three liter bag, a negative pressure suction device is needed which can place the three liter bag on a storage rack for use. SUMMARY

[0003] The utility model aims at solving the problem that medical staff replace the three liter bag on the drip stand is more complex and consumes physical strength in the prior art, and provides a three liter bag negative pressure suction device.

[0004] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0005] A three liter bag negative pressure suction device, comprising a reversing cover plate, a top end shaft support is inserted into the inner top wall of the reversing cover plate, a plurality of pneumatic plates are fixed on the side of the top end shaft support, and the pneumatic plates are arranged in an arc shape as a whole, a middle partition seat is inserted into the bottom of the reversing cover plate, the bottom end of the top end shaft support is inserted into the inner wall of the middle partition seat, the two sides of the reversing cover plate are connected with the middle partition seat through a conduction assembly, a bottom rotary shaft support is connected with the bottom end of the central shaft of the top end shaft support through a clamping groove, an inclined surface is formed on the side of the bottom rotary shaft support, a plurality of shock grooves are formed on the surface of the inclined surface in an annular array with the central axis of the bottom rotary shaft support as the axis, a transmission wheel disc is connected with the inner wall of the shock groove, a connecting shaft rod is fixed on one side of the transmission wheel disc, a plurality of circulating plates are fixed on one end side of the connecting shaft rod in an annular array, and a positioning ring is fixed on the outer side of the plurality of circulating plates.

[0006] Preferably, the conduction assembly comprises a gas supply hole and a gas exhaust hole formed in the side surface of the reversing cover plate.

[0007] Preferably, the conduction assembly further comprises two air chambers formed in the side surface of the middle partition seat, and the opening angles of the two air chambers are respectively matched with the inclined surface of the pneumatic plate.

[0008] Preferably, a bottom outer sleeve ring is sleeved on the shaft side of the bottom rotary shaft support, two liquid exchange holes are formed on the side surface of the bottom outer sleeve ring, a matching groove is formed on the inner wall of one of the liquid exchange holes, and the matching groove is sleeved on the outer side of the positioning ring.

[0009] Preferably, the outer side of the bottom rotating shaft frame is inserted between the bottom end inner wall of the bottom outer sleeve ring, and a lower dismounting plate is inserted between the outer side of the bottom end inner wall of the lower dismounting plate and the bottom end inner wall of the bottom outer sleeve ring, and the outer side of the lower dismounting plate is bonded with a damping sheet.

[0010] Preferably, the bottom end inner wall of the lower dismounting plate is inserted with a servo motor, and the output shaft of the servo motor is connected to the bottom of the bottom rotating shaft frame through a gear slot engagement.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] 1、The utility model discloses a three liter bag negative pressure suction device, which comprises a top end shaft frame, a middle separation seat, a bottom rotating shaft frame, a gas dynamic plate, a gas supply channel, a gas exhaust channel, a gas cavity, a liquid exchange hole, a bottom outer sleeve ring and a servo motor.

[0013] 2、The utility model discloses a three liter bag negative pressure suction device, which comprises a top end shaft frame, a middle separation seat, a bottom rotating shaft frame, a gas dynamic plate, a gas supply channel, a gas exhaust channel, a gas cavity, a liquid exchange hole, a bottom outer sleeve ring and a servo motor.

[0014] 3、The utility model discloses a three liter bag negative pressure suction device, which comprises a top end shaft frame, a middle separation seat, a bottom rotating shaft frame, a gas dynamic plate, a gas supply channel, a gas exhaust channel, a gas cavity, a liquid exchange hole, a bottom outer sleeve ring and a servo motor. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a structure schematic view of a three liter bag negative pressure suction device.

[0016] Fig. 2 It is a structure schematic view of a three liter bag negative pressure suction device.

[0017] Fig. 3 It is an explosion structure schematic view of a gas dynamic plate of a three liter bag negative pressure suction device.

[0018] Fig. 4 It is an explosion structure schematic view of a bottom rotating shaft frame of a three liter bag negative pressure suction device.

[0019] In the drawing: 1, reversing cover plate; 2, top end shaft frame; 3, gas dynamic plate; 4, middle separation seat; 5, bottom rotating shaft frame; 6, inclined plane; 7, agitating groove; 8, transmission wheel disc; 9, connecting shaft; 10, circulating plate; 11, positioning ring; 12, gas supply through hole; 13, gas exhaust through hole; 14, air passage cavity; 15, bottom outer sleeve ring; 16, liquid exchange hole; 17, lower dismounting plate; 18, servo motor. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0021] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0022] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be understood in a broad sense, for example, "connected" can be fixedly connected, or can be detachably connected, or integrally connected; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium; can be internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0023] Embodiment, refer to Figs. 1 to 4 The three-liter bag negative pressure suction device comprises a reversing cover plate 1, a top end shaft support 2 is inserted into the inner top wall of the reversing cover plate 1, a plurality of pneumatic plates 3 are fixed on the side surface of the top end shaft support 2, and the pneumatic plates 3 are arranged in an overall arc shape.

[0024] The arc surface of the pneumatic plate 3 is arranged in cooperation with the air cavity 14, that is, after the gas is blown into any air cavity 14, the top end shaft support 2 connected with the pneumatic plate 3 can be driven to rotate, that is, the forward and reverse rotation of the bottom rotary shaft support 5 is realized.

[0025] A middle partition seat 4 is inserted into the bottom of the reversing cover plate 1, the bottom end of the top end shaft support 2 is inserted into the inner wall of the middle partition seat 4, the two sides of the reversing cover plate 1 are connected with the middle partition seat 4 through a through component, further, the through component comprises a gas supply through hole 12 and an exhaust through hole 13 which are opened in the side surface of the reversing cover plate 1, and the through component further comprises two air cavities 14 which are opened in the side surface of the middle partition seat 4, and the opening angles of the two air cavities 14 are respectively matched with the inclined surfaces of the pneumatic plates 3.

[0026] The further advantage is that the ventilation cavity 14 as a gas guide can realize the forward and reverse rotation of the top shaft frame 2 after the gas supply through hole 12 and the exhaust through hole rotate 180°.

[0027] The bottom end of the central shaft of the top shaft frame 2 is connected with the bottom rotating shaft frame 5 through the clamping slot engagement, the shaft side sleeve of the bottom rotating shaft frame 5 is sleeved with the bottom sleeve ring 15, the side surface of the bottom sleeve ring 15 is provided with two liquid exchange holes 16, the inner wall of one of the liquid exchange holes 16 is provided with a matching slot, and the matching slot is sleeved with the outer side of the positioning ring 11.

[0028] When the bottom rotating shaft frame 5 rotates forward and reversely, the connecting shaft rod 9 connected with the transmission wheel disc 8 can be further driven to rotate forward and reversely, the connecting shaft rod 9 can drive the circulating plate 10 to rotate forward and reversely, and then the flushing liquid can be led out of the three-liter bag and the accumulated liquid can be recovered into the waste liquid collecting tank.

[0029] In addition, the liquid exchange hole 16 without the circulating plate 10 is connected with a three-way valve, the other two holes of the three-way valve not connected with the liquid exchange hole 16 are a one-way liquid inlet hole and a one-way liquid outlet hole, the one-way liquid inlet hole is connected with the three-liter bag, and the one-way liquid outlet hole is connected with the waste liquid collecting tank, so that the recovered flushing liquid is prevented from flowing into the three-liter bag.

[0030] The lower dismounting plate 17 is inserted between the outer side of the bottom rotating shaft frame 5 and the inner wall of the bottom end of the bottom sleeve ring 15, the outer side of the lower dismounting plate 17 is bonded with a damping piece, the bottom end inner wall of the lower dismounting plate 17 is inserted with a servo motor 18, and the output shaft of the servo motor 18 is connected to the bottom of the bottom rotating shaft frame 5 through the tooth slot engagement.

[0031] The side surface of the bottom rotating shaft frame 5 is provided with a slope 6, the surface of the slope 6 is provided with a plurality of exciting grooves 7 in a ring array with the central axis of the bottom rotating shaft frame 5 as the axis, the inner wall of the exciting groove 7 is engagedly connected with the transmission wheel disc 8, one side of the transmission wheel disc 8 is fixedly provided with the connecting shaft rod 9, one end side of the connecting shaft rod 9 is fixedly provided with a plurality of circulating plates 10 in a ring array, and the outer side of the plurality of circulating plates 10 is fixedly provided with the positioning ring 11.

[0032] The teeth of the transmission wheel disc 8 are arranged in cooperation with the exciting grooves 7, that is, the bottom rotating shaft frame 5 can be driven to rotate the connecting shaft rod 9 through the exciting grooves 7 and the transmission wheel disc 8 as transmission members after the bottom rotating shaft frame 5 rotates.

[0033] In use, the gas supply through hole 12 is connected with the external gas supply pipe, or the exhaust through hole 13 is connected with the negative pressure pipeline, the rotation of the top shaft frame 2 is driven by the gas flow in the external gas supply pipeline and the negative pressure pipeline, the bottom rotating shaft frame 5 connected with the lower end can be driven to rotate after the top shaft frame 2 rotates, the docking position of the gas supply through hole 12 and the exhaust through hole 13 and the ventilation cavity 14 can be changed through the rotation of the change-over cover plate 1, and thus the forward and reverse rotation of the top shaft frame 2 is realized.

[0034] The bottom rotating shaft frame 5 is reversed, and the connecting shaft 9 can be further driven by the transmission wheel disc 8 to be reversed, so that the flushing liquid can be extracted from the drainage bag and recovered into the waste liquid collecting tank.

[0035] The above merely describes a preferred embodiment of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art can make equivalent substitutions or changes according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered by the protection scope of the present application.

Claims

1. A three-lift bag suction device comprising a reversing cover plate (1), characterized in that: The inner top wall of the reversing cover plate (1) is inserted with a top end shaft support (2), the side surface of the top end shaft support (2) is fixed with a plurality of pneumatic plates (3), and the pneumatic plates (3) are arranged in an overall arc shape, the bottom of the reversing cover plate (1) is inserted with a middle partition seat (4), the bottom end of the top end shaft support (2) is inserted into the inner wall of the middle partition seat (4), the two sides of the reversing cover plate (1) are connected with the middle partition seat (4) through a conduction assembly, the bottom end of the central shaft of the top end shaft support (2) is connected with a bottom rotary shaft support (5) through a clamping groove, the side surface of the bottom rotary shaft support (5) is provided with an inclined surface (6), a plurality of excitation grooves (7) are arranged in an annular array on the surface of the inclined surface (6) with the middle axis of the bottom rotary shaft support (5) as the axis, the inner wall of the excitation groove (7) is connected with a transmission wheel disc (8), one side of the transmission wheel disc (8) is fixed with a connecting shaft rod (9), one end side of the connecting shaft rod (9) is fixed with a plurality of circulating plates (10) in an annular array, and the outer side of the plurality of circulating plates (10) is fixed with a positioning ring (11).

2. The three-lift bag suction device according to claim 1, wherein, The conduction assembly comprises air supply holes (12) and air exhaust holes (13) provided in the side surface of the reversing cover plate (1).

3. A three-lift bag suction device according to claim 2, wherein The conduction assembly further comprises two air passage cavities (14) provided in the side surface of the middle partition seat (4), and the opening angles of the two air passage cavities (14) are respectively matched with the inclined surfaces of the pneumatic plates (3).

4. The three-lift bag suction device according to claim 1, wherein, The shaft side of the bottom rotary shaft support (5) is sleeved with a bottom outer sleeve ring (15), the side surface of the bottom outer sleeve ring (15) is provided with two liquid exchange holes (16), one inner wall of the liquid exchange holes (16) is provided with a matching groove, and the matching groove is sleeved on the outer side of the positioning ring (11).

5. A three-lift bag suction device according to claim 4, wherein The bottom rotary shaft support (5) is inserted between the outer side and the bottom end inner wall of the bottom outer sleeve ring (15), and the outer side of the bottom rotary shaft support (5) is inserted with a lower disassembly plate (17).

6. A three-lift bag suction device according to claim 5, wherein The bottom end inner wall of the lower disassembly plate (17) is inserted with a servo motor (18), and the output shaft of the servo motor (18) is connected to the bottom of the bottom rotary shaft support (5) through a gear groove.

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