Anti-stick rotating flushing and suction device

Abstract

The present invention discloses an anti-sticking rotary flushing and suction device, comprising a valve sleeve (1), the inner side of the valve sleeve (1) is provided with a penetrating installation cavity (2), one side of the installation cavity (2) is provided with a flushing inlet (3) and a water suction inlet (4), the other side of the installation cavity (2) is provided with a flushing outlet (5) and a water suction outlet (6), the ends of the flushing outlet (5) and the water suction outlet (6) are connected with a suction pipe (7), and the suction pipe (7) is detachably connected to the valve sleeve (1); the two ends of the installation cavity (2) are respectively connected with a flushing valve (8) and a water suction valve (9), the flushing valve (8) is provided with a flushing channel (10), and the water suction valve (9) is provided with a water suction channel (11). The present invention can clean blood water attached to the connection between the valve body and the valve sleeve, and has a locking function, which effectively prevents the valve bodies on both sides from opening at the same time.

Description

Technical Field

[0001] The invention relates to a medical aspirator, in particular to an anti-sticking rotating aspirator. Background Art

[0002] There are two types of commonly used medical flushing and suction devices at present. The first type is a box-type flushing and suction device, which includes a suction channel. The two sides of the suction channel are connected to a flushing hose and a water suction hose respectively, so that one of the hoses is pressed and closed during use, and the other hose remains connected to achieve the flushing or water suction function. However, the use effect of this type of flushing and suction device is relatively poor. There are often problems such as insufficient sealing, which causes water to leak from the closed hose, or the hose is bonded after being closed for a long time and cannot be reopened, affecting the use effect. The second type is a rotary flushing and suction device, which consists of a valve sleeve and two valve cores that are connected to each other. The valve cores are rotatably connected to the valve sleeves and are respectively provided with a flushing channel and a water suction channel, so that when the user uses it, one of the valve cores can be rotated and closed, and the channel of the other valve core remains connected to achieve the flushing or water suction function; compared with the hose connection structure, this structure can effectively avoid deformation and adhesion of the hose during use, thereby improving the service life and stability of the flushing and suction device.

[0003] However, the defect of the rotary flushing and suction device is that after the flushing and suction device sucks out the blood and water in the body, part of the blood and water will remain in the water suction channel, and adhere to the connection between the water suction valve and the valve sleeve as the water suction valve is rotated and closed, resulting in a bonding effect of the blood and water after drying, which makes the water suction valve and the valve sleeve adhere to each other and cannot be smoothly rotated and opened and closed. On the other hand, the current cleaning method for the rotary flushing and suction device is to rotate the water suction valve or the flushing valve to connect, and then flush the cleaning water into the flushing and suction device to clean the two channels, so that this cleaning method can only remove the blood and water in the water suction channel or the flushing channel, but cannot contact the side wall connection between the valve body and the valve core, and thus cannot solve the above-mentioned bonding problem by flushing with clean water and drying, and needs to rely on manpower to apply a large torque to the valve body after bonding to temporarily solve it.

[0004] In addition, when one of the valve bodies of the rotary flushing and suction device is in communication, the channel on the other valve body needs to remain in a staggered closed state to avoid mutual interference after the flushing and suction functions are turned on at the same time. However, the existing rotary flushing and suction device cannot achieve a locking function, that is, the two valve bodies can be opened at the same time; this requires medical staff to pay attention to the alternating use of the flushing system and the suction system during operation, and prohibit opening them at the same time; on the other hand, they need to ensure the correct flushing and suction operation and be careful not to touch the other valve body when opening and closing the valve body, which greatly increases the difficulty of operating the rotary flushing and suction device, and still cannot completely avoid the situation where the two valve bodies are opened at the same time, reducing the use effect of the rotary flushing and suction device.

[0005] Therefore, the existing rotary flushing and suction devices have the problem that blood easily adheres to the outer wall of the valve body and cannot be cleaned and removed, and the lack of a locking function causes the valve bodies on both sides to open at the same time, affecting the flushing and suction effect. Summary of the invention

[0006] The object of the present invention is to provide an anti-sticking rotary flushing and suction device, which can clean blood and water attached to the connection between the valve body and the valve sleeve, and has a locking function to effectively prevent the valve bodies on both sides from opening at the same time.

[0007] The technical solution of the present invention is as follows: the anti-sticking rotary flushing and suction device comprises a valve sleeve, the inner side of the valve sleeve is provided with a penetrating installation cavity, one side of the installation cavity is provided with a flushing inlet and a water suction inlet, respectively, the other side of the installation cavity is provided with a flushing outlet and a water suction outlet, respectively, and the ends of the flushing outlet and the water suction outlet are connected with a suction pipe; the two ends of the installation cavity are respectively buckled and connected with a flushing valve and a water suction valve, the flushing valve is provided with a flushing channel connecting the flushing inlet and the flushing outlet, the water suction valve is provided with a water suction channel connecting the water suction inlet and the water suction outlet, the two ends of the valve sleeve are threadedly connected with pressure plates, and the flushing valve The outer ends of the valve and the water suction valve are connected to an adjusting rod, and the end of the adjusting rod passes through the pressure plate and extends to the outside of the valve sleeve; the flushing valve and the water suction valve both include an inclined portion and a vertical portion connected to each other, and the water suction channel and the flushing channel are both arranged in the inclined portion, and one end of the inclined portion is provided with a limit pin extending to the middle of the installation cavity, and the middle of the installation cavity is provided with an annular limit plate, and one side of the limit plate is provided with an arc-shaped limit groove, and the inner end surface of the limit groove includes a straight line portion and a protrusion connected to each other, and one end of the limit pin extends into the limit groove and fits with the inner end surface of the limit groove.

[0008] In the aforementioned anti-sticking rotary flushing and sucking device, the limit pin is eccentrically arranged on the inclined portion, and the end portion of the limit pin is spherical in shape.

[0009] In the aforementioned anti-stick rotary flushing and sucking device, the two ends of the installation cavity are respectively provided with an inclined groove matching the inclined part and a vertical groove matching the vertical part, the outer wall surface of the inclined part and the inclined groove fit each other, and the outer wall surface of the vertical part and the vertical groove fit each other.

[0010] In the aforementioned anti-sticking rotary flushing and sucking device, a sealing gasket sleeved on the outside of the adjusting rod is provided between the pressing plate and the vertical portion.

[0011] In the aforementioned anti-sticking rotary flushing and suction device, thread grooves connected to the pressure plates are provided on the outer sides of both ends of the valve sleeve, and an annular marking surface is provided on the outer sides of the thread grooves.

[0012] In the aforementioned anti-sticking rotary flushing and sucking device, a cleaning channel connected to the suction pipe is provided on one side of the limiting plate.

[0013] In the aforementioned anti-stick rotary suction device, an interception core is slidably connected in the limit plate away from one end of the protrusion, and the two ends of the interception core respectively extend into the limit grooves at the two ends of the limit plate. The end shape of the interception core is semi-cylindrical, and the inner wall of the installation cavity is provided with a long groove for snap-fitting and connecting the interception core.

[0014] In the aforementioned anti-sticking rotary flushing and suction device, one side of the valve sleeve is respectively connected with a flushing pipe and a suction pipe, the inner side of the flushing pipe and the flushing inlet are interconnected, and the inner side of the suction pipe and the suction inlet are interconnected.

[0015] Compared with the prior art, the present invention has the following characteristics:

[0016] (1) The present invention can make the flush valve and the water suction valve rotate to the protrusion position through the cooperation of the limit pin and the protrusion to push out the valve body, so that the valve body can be separated from the inclined groove after being pushed out, and then the cleaning water can flow to the side wall connection of the valve body and the valve sleeve after being filled, so as to achieve the cleaning of blood water in this part, and the sealing gasket arranged between the pressure plate and the valve body can squeeze and seal the gap between the pressure plate and the adjustment rod to prevent water from flowing out of the gap during the cleaning process; when the flushing and suction device is in use, the pressure plate can be completely tightened to limit the valve body, so that the valve body cannot be rotated to the separated state, thereby ensuring the working stability of the flushing and suction device;

[0017] (2) Through the cooperation of the vertical portion on the valve body and the vertical groove in the valve sleeve, the valve body and the valve sleeve can be sealed at the outer end during the cleaning process, further preventing water from overflowing to the outside of the installation cavity, thereby improving the cleaning effect of the present invention;

[0018] (3) By matching the interception core and the long groove, the interception core can slide freely in the long groove. When the limit pin of the valve body on one side rotates to the position of the interception core, the interception core can be pushed to extend the other end to the outside of the limit groove, thereby limiting the rotation of the valve body on the other side. When the limit pin on the valve body on the other side rotates, it will be blocked by the interception core and cannot be in a connected state, thereby playing a locking function on the flushing and suction device, preventing the flushing and suction functions from being turned on at the same time and affecting the working stability of the flushing and suction device.

[0019] Therefore, the present invention can clean the blood attached to the connection between the valve body and the valve sleeve, and at the same time has a locking function to effectively prevent the valve bodies on both sides from opening at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the present invention;

[0021] Figure 2 It is a schematic diagram of the structure of the flush valve and the suction valve;

[0022] Figure 3 It is a schematic diagram of the structure of the valve sleeve;

[0023] Figure 4 It is the front view of the limit plate;

[0024] Figure 5 It is an expanded view of the limit plate in the limit groove position.

[0025] The markings in the accompanying drawings are: 1-valve sleeve, 2-installation cavity, 3-flushing inlet, 4-water suction inlet, 5-flushing outlet, 6-water suction outlet, 7-suction pipe, 8-flushing valve, 9-water suction valve, 10-flushing channel, 11-water suction channel, 12-pressure plate, 13-adjusting rod, 14-inclined portion, 15-vertical portion, 16-limiting pin, 17-limiting plate, 18-limiting groove, 19-straight portion, 20-protrusion, 21-inclined groove, 22-vertical groove, 23-sealing pad, 24-cleaning channel, 25-intercepting core, 26-long groove, 27-flushing pipe, 28-water suction pipe. DETAILED DESCRIPTION

[0026] The present invention is further described below in conjunction with the accompanying drawings and embodiments, but they are not intended to limit the present invention.

[0027] Embodiment. The anti-sticking rotary flushing and sucking device is composed as follows Figure 1 As shown, it includes a valve sleeve 1, the inner side of the valve sleeve 1 is provided with a through installation cavity 2, one side of the installation cavity 2 is respectively provided with a flushing inlet 3 and a water suction inlet 4, and the other side of the installation cavity 2 is respectively provided with a flushing outlet 5 and a water suction outlet 6, and the ends of the flushing outlet 5 and the water suction outlet 6 are connected with a suction pipe 7, and the suction pipe 7 is detachably connected to the valve sleeve 1; the two ends of the installation cavity 2 are respectively connected with a flushing valve 8 and a water suction valve 9, the flushing valve 8 is provided with a flushing channel 10 connecting the flushing inlet 3 and the flushing outlet 5, and the water suction valve 9 is provided with a water suction channel 11 connecting the water suction inlet 4 and the water suction outlet 6, and the valve sleeve 1 The two ends of the valve sleeve 1 are threadedly connected with a pressure plate 12, and the outer ends of the flushing valve 8 and the suction valve 9 are connected with an adjusting rod 13, and the end of the adjusting rod 13 passes through the pressure plate 12 and extends to the outside of the valve sleeve 1; the flushing valve 8 and the suction valve 9 both include an inclined portion 14 and a vertical portion 15 connected to each other, and the suction channel 11 and the flushing channel 10 are both arranged in the inclined portion 14, and one end of the inclined portion 14 is provided with a limit pin 16 extending to the middle of the installation cavity 2, and the middle of the installation cavity 2 is provided with an annular limit plate 17, and one side of the limit plate 17 is provided with an arc-shaped limit groove 18, and the inner end surface of the limit groove 18 includes a straight portion 19 and a protrusion 20 connected to each other, and one end of the limit pin 16 extends into the limit groove 18 and fits with the inner end surface of the limit groove 18; the inner side of the suction pipe 7 is connected with a flushing capillary, and one end of the flushing capillary is connected to the flushing outlet 5.

[0028] The limiting pin 16 is eccentrically arranged on the inclined portion 14 , and the end of the limiting pin 16 is spherical in shape.

[0029] The two ends of the installation cavity 2 are respectively provided with an inclined groove 21 matching the inclined portion 14 and a vertical groove 22 matching the vertical portion 15. The outer wall surface of the inclined portion 14 and the inclined groove 21 are in contact with each other, and the outer wall surface of the vertical portion 15 and the vertical groove 22 are in contact with each other.

[0030] A sealing gasket 23 is provided between the pressing plate 12 and the vertical portion 15 and is sleeved on the outside of the adjusting rod 13 .

[0031] The outer sides of both ends of the valve sleeve 1 are provided with thread grooves connected to the pressure plate 12, the thread grooves are fine pitch threads, and the outer sides of the thread grooves are provided with an annular marking surface.

[0032] A cleaning channel 24 connected to the suction pipe 7 is provided on one side of the limiting plate 17 .

[0033] An intercepting core 25 is slidably connected in the limiting plate 17 at one end away from the protrusion 20, and both ends of the intercepting core 25 extend into the limiting grooves 18 at both ends of the limiting plate 17 respectively. The end shape of the intercepting core 25 is semi-cylindrical, and the inner wall of the installation cavity 2 is provided with a long groove 26 for snap-fitting and connecting the intercepting core 25.

[0034] A flushing pipe 27 and a water suction pipe 28 are respectively connected to one side of the valve sleeve 1 . The inner side of the flushing pipe 27 and the flushing inlet 3 are communicated with each other, and the inner side of the water suction pipe 28 and the water suction inlet 4 are communicated with each other.

[0035] The cleaning method of the anti-sticking rotary flushing and sucking device comprises the following steps:

[0036] ① Connect the flushing valve 8 and the water suction valve 9 respectively, inject the cleaning water and clean each channel; after the channel cleaning is completed, loosen the pressing plate 12 on one side of the flushing valve 8 outwards, so that the side wall of the pressing plate 12 and the edge of the identification surface are aligned with each other, that is, the pressing plate 12 just covers the identification surface;

[0037] ② Rotate the adjusting rod 13 to move the limit pin 16 to the end of the protrusion 20, and push the limit pin 16 outward through the protrusion 20, so that the inclined portion 14 of the flush valve 8 is separated from the inclined groove 21 by being pushed out, and the flush valve 8 squeezes the sealing gasket 23 after being pushed out, and the vertical portion 15 and the vertical groove 22 still maintain a partially fitted state after the flush valve 8 is pushed out;

[0038] ③ Inject the cleaning water into the installation cavity 2 through the flushing pipe 27, so that the cleaning water passes through the flushing inlet 3 and completely fills the gap between the installation cavity 2 and the flushing valve 8, and enters the suction pipe 7 along the flushing outlet 5 and the cleaning channel 24, and then is discharged outward from the suction pipe 7 and the flushing capillary;

[0039] ④ After cleaning is completed, the adjusting rod 13 is rotated to move the limit pin 16 to the end away from the protrusion 20, and then the pressing plate 12 is tightened so that the pressing plate 12 pushes the flush valve 8 back into the installation cavity 2 and completely fits with the inclined groove 21;

[0040] ⑤ Clean the water suction valve 9 according to steps ①-④, so that the residual blood and flushing water remaining in the gap between the flushing valve 8, the water suction valve 9 and the installation cavity 2 are discharged from the suction pipe 7 during cleaning;

[0041] ⑥ Rotate the water suction valve 9 and the flushing valve 8 simultaneously to the separated and swung-out state, and then dry the flushing and suction device to evaporate the water remaining in the installation cavity 2, thereby completing the cleaning of the flushing and suction device.

[0042] When the flushing and suction device is flushing, the limit pin 16 on the flushing valve 8 rotates to fit with the end surface of the interception core 25, and drives the interception core 25 to move along the long groove 26 to one end away from the flushing valve 8, so that the other end of the interception core 25 extends to the outside of the limit groove 18. In this state, the interception core 25 protruding to the other side can intercept the limit pin 16 on the water suction valve 9, so that the water suction valve 9 cannot be rotated to the water suction position, thereby effectively avoiding the conflict between the flushing and suction functions caused by the simultaneous connection of the water suction valve 9 and the flushing valve 8. Similarly, when the flushing and suction device is sucking blood water, by rotating the water suction valve 9 to the end and pushing the interception core 25, it can limit the flushing valve 8 on the other side, avoiding the rotation connection of the flushing valve 8 during the water suction process.

[0043] Working principle of the present invention: During flushing and suction operation, the present invention presses the flushing valve 8 and the suction valve 9 after the pressure plate 12 is fully screwed in, so that the sliding range of the limit pin 16 is only controlled within the straight portion 19, thereby avoiding the failure of the flushing and suction function caused by the separation of the inclined portion 14 and the inclined groove 21 with the rotation, thereby ensuring the working stability of the flushing and suction device. When the flushing valve 8 or the suction valve 9 is rotated to a connected state, the limit pin 16 can move one side of the interception core 25 with the rotation, and squeeze the interception core 25, so that the interception core 25 slides to the other side with the squeezing. After sliding, the interception core 25 can limit the rotation position of the valve body on the other side, so that the flushing valves 8 and the suction valves 9 on both sides cannot be connected at the same time, thereby improving the stability of the suction effect of the present invention.

[0044] When the flushing and suction device is being cleaned, the pressing plate 12 is rotated out to a position that fits the marking surface, so that a space for the flushing valve 8 or the suction valve 9 to move outward horizontally can be reserved, so that the limit pin 16 can enter the protrusion 20 with the rotation and push the valve body outward. After the push, the valve body is separated from the inclined groove 21 and a gap is formed, so that the cleaning water can completely fill the gap and flush the blood water in the gap after entering through the flushing inlet 3 or the suction inlet 4, thereby avoiding the adhesion caused by the blood water drying up.

Claims

1. Anti-stick rotary flushing and sucking device, characterized by: The invention comprises a valve sleeve (1), wherein the inner side of the valve sleeve (1) is provided with a penetrating installation cavity (2), one side of the installation cavity (2) is provided with a flushing inlet (3) and a water suction inlet (4), and the other side of the installation cavity (2) is provided with a flushing outlet (5) and a water suction outlet (6), and the ends of the flushing outlet (5) and the water suction outlet (6) are connected to a suction pipe (7); the two ends of the installation cavity (2) are respectively connected to a flushing valve (8) and a water suction valve (9) by snapping, the flushing valve (8) is provided with a flushing channel (10) connecting the flushing inlet (3) and the flushing outlet (5), and the water suction valve (9) is provided with a water suction channel (11) connecting the water suction inlet (4) and the water suction outlet (6), the two ends of the valve sleeve (1) are threadedly connected to a pressure plate (12), and the outer ends of the flushing valve (8) and the water suction valve (9) are both connected to an adjusting rod (13), the end of the adjusting rod (13) passing through the pressing plate (12) and extending to the outside of the valve sleeve (1); the flushing valve (8) and the water suction valve (9) both comprise an inclined portion (14) and a vertical portion (15) connected to each other, the water suction channel (11) and the flushing channel (10) are both arranged in the inclined portion (14), one end of the inclined portion (14) is provided with a limit pin (16) extending to the middle of the installation cavity (2), the middle of the installation cavity (2) is provided with an annular limit plate (17), one side of the limit plate (17) is provided with an arc-shaped limit groove (18), the inner end surface of the limit groove (18) comprises a straight portion (19) and a protruding portion (20) connected to each other, one end of the limit pin (16) extends into the limit groove (18) and fits with the inner end surface of the limit groove (18); An interception core (25) is slidably connected in the limit plate (17) at one end away from the protruding portion (20), and two ends of the interception core (25) extend into the limit grooves (18) at the two ends of the limit plate (17) respectively. The end of the interception core (25) is semi-cylindrical in shape, and the inner wall of the installation cavity (2) is provided with a long groove (26) for buckling and connecting the interception core (25).

2. The anti-sticking rotary flushing and sucking device according to claim 1, characterized in that: The limit pin (16) is eccentrically arranged on the inclined portion (14), and the end portion of the limit pin (16) has a spherical shape.

3. The anti-sticking rotary flushing and sucking device according to claim 1, characterized in that: An inclined groove (21) matching the inclined portion (14) and a vertical groove (22) matching the vertical portion (15) are respectively provided at both ends of the installation cavity (2); the outer wall surface of the inclined portion (14) and the inclined groove (21) are in contact with each other, and the outer wall surface of the vertical portion (15) and the vertical groove (22) are in contact with each other.

4. The anti-sticking rotary flushing and sucking device according to claim 1, characterized in that: A sealing gasket (23) is provided between the pressing plate (12) and the vertical portion (15) and is sleeved on the outside of the adjusting rod (13).

5. The anti-sticking rotary flushing and sucking device according to claim 1, characterized in that: The outer sides of both ends of the valve sleeve (1) are provided with thread grooves connected to the pressure plate (12), and the outer sides of the thread grooves are provided with an annular marking surface.

6. The anti-sticking rotary flushing and sucking device according to claim 1, characterized in that: A cleaning channel (24) connected to the suction pipe (7) is provided on one side of the limiting plate (17).

7. The anti-sticking rotary flushing and sucking device according to claim 1, characterized in that: One side of the valve sleeve (1) is respectively connected to a flushing pipe (27) and a water suction pipe (28); the inner side of the flushing pipe (27) and the flushing inlet (3) are in communication with each other, and the inner side of the water suction pipe (28) and the water suction inlet (4) are in communication with each other.

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