Dust collection device of drip chamber filter screen

Abstract

The utility model provides a dust collection device of a drip chamber filter screen, and belongs to the technical field of medical equipment. The utility model aims to provide the dust suction device for the filter screen of the drip chamber, which is simple in structure, high in production efficiency and capable of avoiding repeated dust contamination. The dust suction device of the drip chamber filter screen comprises an air pipe supporting block, a suction cup cushion block and a jig assembly, a first air cavity with an opening in the upper end is formed in the air pipe supporting block, a first air opening is formed in the side wall of the air pipe supporting block, and the first air opening and the first air cavity are communicated to form a first air channel; the suction cup cushion block comprises a connecting block and a ventilation block, the suction cup cushion block is fixedly connected to the upper end of the air pipe supporting block through the connecting block, and a vertically-through second air channel is formed in the ventilation block and correspondingly communicates with the first air cavity. According to the scheme, the structure is compact, the occupied space is small, the filter screen can be effectively prevented from being repeatedly contaminated with dust in the conveying process, whole-process automation is achieved, manual participation is not needed, and production efficiency is remarkably improved.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of medical equipment, in particular to a dust suction device for a filter screen of a drip chamber. BACKGROUND

[0002] The drip chamber is a commonly used component in the extracorporeal circulation pipeline of hemodialysis, which can be used to collect gas generated during the treatment process and reduce the risk of gas entering the human body. The drip chamber comprises a drip chamber body, a blood inlet and a blood outlet are respectively arranged at two ends of the drip chamber body, a cover body is arranged at the blood inlet end, and a filter screen is arranged inside the blood outlet end.

[0003] During the assembly and production of the drip chamber, the filter screen is first placed on the upper end of the filter screen push rod of the drip chamber jig, then the drip chamber is sleeved outside the filter screen push rod, and the filter screen is installed in the drip chamber by pushing the drip chamber. The filter screen may be contaminated with some particles and dust during production and transportation, and the filter screen needs to be cleaned. At present, the filter screen is usually taken out separately for cleaning before entering the assembly line for assembly. However, during the transportation process, the drip chamber may be contaminated with dust again, and the work efficiency is also low. CONTENT OF THE UTILITY MODEL

[0004] In view of the deficiencies of the prior art, the purpose of the present application is to provide a drip chamber filter screen dust suction device which is simple in structure, high in production efficiency and avoids repeated contamination of dust.

[0005] The purpose of the present application can be achieved by the following technical solutions:

[0006] A dust suction device for a filter screen of a drip chamber, comprising a tracheal support block, a suction pad block and a jig assembly, a first air cavity with an open upper end is arranged in the tracheal support block, a first air port is arranged on the side wall of the tracheal support block, and the first air port and the first air cavity are communicated to form a first air duct; the suction pad block comprises a connecting block and an air block, the suction pad block is fixedly connected to the upper end of the tracheal support block through the connecting block, and the air block is provided with a second air duct penetrating upward and downward, and the second air duct is communicated with the first air cavity in correspondence.

[0007] The dust suction device of the present application is compact in structure, small in space occupation, can be integrated into the drip chamber assembly flow line, and is arranged in the conveying line. In use, the conveying line conveys the jig assembly provided with the filter screen to the upper side of the dust suction device, the first air port is connected to the air suction equipment, the dust and particles on the filter screen are sucked out along the internal space of the jig to the second air duct to the first air cavity to the first air duct from the first air port, and then the conveying line conveys the filter screen to the next process for processing. The whole dust suction process is fully automated, the production efficiency is significantly improved, and the dust suction process is integrated into the flow line production, which can effectively avoid the repeated contamination of dust on the filter screen during the conveying process.

[0008] The dust suction device for the filter screen in the drop chamber further comprises a limiting assembly, the limiting assembly comprises a limiting installation plate, a filter screen limiting block, a jig pressing block and a first driving source fixed on the limiting installation plate, the lower end of the first driving source is fixed with the filter screen limiting block and the jig pressing block and can drive the filter screen limiting block and the jig pressing block to lift, the lower bottom surface of the jig pressing block is in contact with the jig assembly, the filter screen limiting block is internally provided with a filter screen containing cavity and a third air duct, the third air duct is communicated with all the filter screen containing cavities and penetrates through the side wall of the filter screen limiting block, and a third air port is formed in the side wall of the filter screen limiting block.

[0009] The limiting assembly is used for limiting and fixing the filter screen and the jig assembly, the filter screen limiting block corresponds to the filter screen on the jig assembly, the jig pressing block corresponds to the jig assembly, when the jig assembly is communicated with the filter screen and conveyed to the dust suction station through the conveying line, the first driving source drives the filter screen limiting block and the jig pressing block to descend, the filter screen on the upper end of the jig enters the filter screen containing cavity, the lower end of the jig pressing block is in contact with the jig assembly and presses the jig assembly, so that the jig assembly and the filter screen are more stable during the dust suction process, the filter screen is prevented from falling due to suction shaking, and meanwhile, the third air duct ensures the flow of air in and out of the filter screen limiting block without affecting the suction effect.

[0010] The dust suction device for the filter screen in the drop chamber further comprises a jacking assembly, the jacking assembly comprises a jacking installation frame and a second driving source fixed on the jacking installation frame, and the second driving source drives the air pipe supporting block and the suction disc cushion block to lift.

[0011] The jacking assembly can lift the air pipe supporting block and the suction disc cushion block, so that the contact between the suction disc cushion block and the lower bottom surface of the jig is more close, and air leakage is avoided to affect the dust suction effect, and when the dust suction is completed, the suction disc cushion block can be separated from the jig assembly, so that the conveying is not affected.

[0012] In the dust suction device for the filter screen in the drop chamber, the jig assembly comprises a jig bottom plate and a filter screen push rod installed on the jig bottom plate, the jig bottom plate is provided with a jig air hole penetrating through the jig bottom plate in the up-down direction, the filter screen push rod is hollow and communicated with the jig air hole, and the position of the jig air hole corresponds to the second air duct. The filter screen is placed in the hollow filter screen push rod, the filter screen push rod and the jig air hole are communicated and straight up and down, and dust is more easily sucked out.

[0013] In the dust suction device for the filter screen in the drop chamber, the lower end surface of the jig pressing block is provided with a pressing cushion block. The hardness of the pressing cushion block is relatively low, which plays a buffering role, avoids direct collision between the jig pressing block and the jig assembly to cause damage, and improves the service life of the equipment.

[0014] In the dust suction device of the filter screen of the drop chamber, a supporting frame is further arranged between the jacking assembly and the air pipe supporting block, the upper end of the supporting frame is fixedly connected with the air pipe supporting block, the lower end is fixedly connected with the second driving source, the supporting frame comprises two supporting plates arranged vertically, and the two supporting plates are connected through a plurality of vertical guide columns. The supporting frame is used for lifting the air pipe supporting block, and the second driving source with small stroke can meet the lifting requirement, and more space is left between the two supporting plates, so that the overall layout of the equipment is facilitated.

[0015] In the dust suction device of the filter screen of the drop chamber, the air pipe interface is arranged at the first air port. The air pipe interface is connected with the air suction equipment through the pipeline, so that the connection is more convenient, stable and sealed.

[0016] In the dust suction device of the filter screen of the drop chamber, the jacking mounting frame comprises a jacking bottom plate arranged horizontally, a jacking vertical plate arranged vertically and a reinforcing block, the jacking bottom plate and the jacking vertical plate are fixedly connected, and the two end faces of the reinforcing block are respectively in abutment with the jacking bottom plate and the jacking vertical plate. The jacking mounting frame with the structure has small volume and high strength, so that the overall structure of the dust suction device is more compact.

[0017] Compared with the prior art, the technical effects of the present application are:

[0018] Firstly, the dust suction device of the filter screen of the drop chamber is compact in structure, small in space occupation, and the dust suction process of the filter screen and the assembly flow line of the drop chamber are integrated, so that repeated dust contamination of the filter screen in the conveying process can be effectively avoided, the existing filtering and conveying process is simplified, the whole dust suction process is fully automated and does not need manual participation, and the production efficiency is significantly improved.

[0019] Secondly, the limiting assembly of the dust suction device of the filter screen of the drop chamber fixes the dust suction device from the top, improves the dust suction stability, the jacking assembly lifts the dust suction device, the abutment of the suction pad block and the lower bottom surface of the jig is more compact, air leakage affecting the dust suction effect is avoided, and the cooperation of the two can further improve the dust suction effect. When the dust suction is completed, the jacking assembly can drive the suction pad block to separate from the jig assembly, so that the conveying is not affected. DETAILED DESCRIPTION

[0020] Figure 1 is a cooperation structure diagram of the air pipe supporting block and the suction pad block of the dust suction device of the filter screen of the drop chamber.

[0021] Figure 2 is a structure diagram of the suction pad block of the dust suction device of the filter screen of the drop chamber.

[0022] Figure 3 is a structure diagram of the air pipe supporting block of the dust suction device of the filter screen of the drop chamber.

[0023] Figure 4 is a cooperation sectional view of the air pipe supporting block and the suction pad block of the dust suction device of the filter screen of the drop chamber.

[0024] Figure 5 is the overall structure diagram of the dust suction device of the filter screen of the drop chamber.

[0025] Figure 6 is the structure diagram of the filter screen limiting block of the dust suction device of the filter screen of the drop chamber.

[0026] Figure 7 is the structure diagram of the jig assembly of the dust suction device of the filter screen of the drop chamber.

[0027] In the figure, 1 is the air pipe supporting block, 11 is the first air cavity, 12 is the first air port, 13 is the first air channel, 2 is the suction pad cushion block, 21 is the connecting block, 22 is the air passage block, 23 is the second air channel, 3 is the jig assembly, 31 is the jig bottom plate, 32 is the filter screen push rod, 33 is the jig air hole, 4 is the limiting assembly, 41 is the limiting installation plate, 42 is the filter screen limiting block, 421 is the filter screen containing cavity, 422 is the third air channel, 423 is the third air port, 43 is the jig pressing plate, 431 is the pressing cushion block, 44 is the first driving source, 5 is the jacking assembly, 51 is the jacking installation frame, 511 is the jacking bottom plate, 512 is the jacking vertical plate, 513 is the reinforcing block, 52 is the second driving source, 6 is the supporting frame, 61 is the supporting plate, 62 is the guide column, and 7 is the filter screen. DETAILED DESCRIPTION

[0028] The following is a specific embodiment of the present application and further describes the technical solutions of the present application in conjunction with the drawings, but the present application is not limited to these embodiments.

[0029] As shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 , a dust suction device for a filter screen of a drop chamber includes an air pipe supporting block 1 and a suction pad cushion block 2. The suction pad cushion block 2 is fixedly connected to the upper end surface of the air pipe supporting block 1. Further, the air pipe supporting block 1 is provided with a first air cavity 11 with an upper end opening. The side wall of the air pipe supporting block 1 is provided with a first air port 12. The first air port 12 and the first air cavity 11 are in communication to form a first air channel 13. The suction pad cushion block 2 includes a connecting block 21 and an air passage block 22. The suction pad cushion block 2 is fixedly connected to the upper end of the air pipe supporting block 1 through the connecting block 21. The air passage block 22 is provided with a second air channel 23 that penetrates up and down. The second air channel 23 is in communication with the first air cavity 11. In order to avoid interference between components, an air avoidance groove is provided at one end of the air passage block 22. Further, the first air port 12 is provided with an air pipe connector 14. The air pipe connector 14 is connected to a suction equipment through a pipeline. The connection is more convenient, stable, and has better sealing performance.

[0030] Preferably, as shown in Figure 5As shown, the dust suction device of the drop port chamber filter screen further comprises a limiting assembly 4 located above the suction pad cushion block 2 and a jacking assembly located below the air pipe supporting block 1. The limiting assembly 4 comprises a limiting mounting plate 41, a filter screen limiting block 42, a jig pressing block 43 and a first driving source 44 fixed on the limiting mounting plate 41. The first driving source 44 is fixed with the filter screen limiting block 42 and the jig pressing block 43 at the lower end and can drive the filter screen limiting block 42 and the jig pressing block 43 to lift. The lower end surface of the jig pressing block 43 is provided with a pressing cushion block 431 which is in contact with the jig assembly 3 and presses the jig assembly 3, so that the jig assembly 3 and the filter screen 7 are more stable during the dust suction process, and the filter screen 7 is prevented from falling due to suction shaking. The jacking assembly 5 comprises a jacking mounting frame 51 and a second driving source 52 fixed on the jacking mounting frame 51. The jacking mounting frame 51 comprises a horizontal jacking bottom plate 511, a vertical jacking vertical plate 512 and a reinforcing block 513. The jacking bottom plate 511 and the jacking vertical plate 512 are fixed, and the two end surfaces of the reinforcing block 513 are in contact with the jacking bottom plate 511 and the jacking vertical plate 512 respectively. The second driving source 52 drives the air pipe supporting block 1 and the suction pad cushion block 2 to lift. Further, a supporting frame 6 is arranged between the jacking assembly 5 and the air pipe supporting block 1. The upper end of the supporting frame 6 is fixed with the air pipe supporting block 1, and the lower end is fixed with the second driving source 52. The supporting frame 6 comprises two supporting plates 61 which are connected by a plurality of vertical guide columns 62. The limiting assembly 4 fixes the dust suction device from above, improves the dust suction stability, and the jacking assembly 5 lifts the dust suction device, so that the contact between the suction pad cushion block 2 and the lower bottom surface of the jig assembly 3 is more tight, and the air leakage is avoided to affect the dust suction effect. The cooperation of the two can further improve the dust suction effect.

[0031] Preferably, as shown in the drawings, Figure 6 Preferably, as shown in the drawings,

[0032] Preferably, as shown in the drawings, Figure 7 Preferably, as shown in the drawings,

[0033] The above embodiments are only preferred embodiments of the present application, and do not limit the protection scope of the present application. Therefore, any equivalent changes made in structure, shape and principle according to the present application should be covered within the protection scope defined by the claims of the present application.

Claims

1. A dust extraction device for a drop-tube chamber screen, characterised in that: The utility model provides a trachea supporting block (1), sucking disc cushion block (2) and jig assembly (3), be equipped with the first gas cavity (11) of upper end opening in trachea supporting block (1), trachea supporting block (1) side wall is equipped with first gas port (12), first gas port (12) and first gas cavity (11) intercommunication forms first airway (13); Sucking disc cushion block (2) includes connecting block (21) and ventilation block (22), and sucking disc cushion block (2) is fixedly connected on the upper end of trachea supporting block (1) through connecting block (21), and ventilation block (22) is equipped with second airway (23) that passes through up and down in it, and second airway (23) is correspondingly communicated with first gas cavity (11).

2. The drip chamber screen dust extraction apparatus of claim 1, wherein: It also includes a limiting assembly (4), the limiting assembly (4) includes a limiting mounting plate (41), a filter screen limiting block (42), a jig pressing block (43) and a first driving source (44) fixedly connected to the limiting mounting plate (41), the lower end of the first driving source (44) is fixedly connected with the filter screen limiting block (42) and the jig pressing block (43) and can drive the filter screen limiting block (42) and the jig pressing block (43) to lift, the lower bottom surface of the jig pressing block (43) can be in contact with the jig assembly (3); the filter screen limiting block (42) is provided with a filter screen containing cavity (421) and a third airway (422), the third airway (422) communicates all filter screen containing cavities (421) and penetrates the side wall of the filter screen limiting block (42), and a third gas port (423) is formed in the side wall of the filter screen limiting block (42).

3. The drip chamber screen dust extraction apparatus of claim 1, wherein: It also includes a jacking assembly (5), the jacking assembly (5) includes a jacking mounting frame (51) and a second driving source (52) fixedly connected to the jacking mounting frame (51), and the second driving source (52) drives the trachea supporting block (1) and the sucking disc cushion block (2) to lift.

4. The drip chamber screen dust extraction apparatus of claim 1, wherein: The jig assembly (3) includes a jig bottom plate (31) and a filter screen push rod (32) mounted on the jig bottom plate (31), the jig bottom plate (31) is provided with a jig air hole (33) penetrating up and down, the filter screen push rod (32) is hollow inside and communicates with the jig air hole (33), and the position of the jig air hole (33) corresponds to the second airway (23).

5. The device of claim 2, wherein: The lower end surface of the jig pressing block (43) is provided with a pressing pad (431).

6. The device of claim 3, wherein: The jacking assembly (5) and the trachea supporting block (1) are further provided with a supporting frame (6), the upper end of the supporting frame (6) is fixedly connected with the trachea supporting block (1), the lower end is fixedly connected with the second driving source (52), and the supporting frame (6) includes two supporting plates (61) arranged vertically.

7. The drip chamber screen cleaning device of claim 1, wherein: The first gas port (12) is provided with a tracheal interface (14).

8. The device of claim 3, wherein: The jacking mounting frame (51) includes a jacking bottom plate (511) arranged horizontally, a jacking vertical plate (512) arranged vertically and a reinforcing block (513), the jacking bottom plate (511) and the jacking vertical plate (512) are fixedly connected, and the two end surfaces of the reinforcing block (513) are in contact with the jacking bottom plate (511) and the jacking vertical plate (512) respectively.

Images