CN117442799A - Active anti-blocking suction tube - Google Patents
Active anti-blocking suction tube Download PDFInfo
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- CN117442799A CN117442799A CN202311788472.3A CN202311788472A CN117442799A CN 117442799 A CN117442799 A CN 117442799A CN 202311788472 A CN202311788472 A CN 202311788472A CN 117442799 A CN117442799 A CN 117442799A
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- tube
- suction
- inner tube
- rotary brush
- cavity
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- 239000007788 liquid Substances 0.000 claims abstract description 48
- 210000001503 joint Anatomy 0.000 claims abstract description 6
- 210000000988 bone and bone Anatomy 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 230000001680 brushing effect Effects 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 10
- 239000002893 slag Substances 0.000 description 9
- 239000008280 blood Substances 0.000 description 6
- 210000004369 blood Anatomy 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The invention belongs to the technical field of medical instruments, and provides an active anti-blocking suction tube which comprises an outer tube, an inner tube and an anti-blocking assembly; one end of the outer tube is a suction inlet, and the other end is a discharge outlet; the exhaust port of the outer tube is connected with the suction device; the inner tube is arranged in the inner cavity of the outer tube, and a plurality of through holes are formed in the inner tube; one end of the inner pipe close to the suction inlet is in butt joint with the suction inlet; a liquid discharge cavity is formed between the inner wall of the outer tube and the outer wall of the inner tube; the anti-blocking assembly comprises a rotary brush and a spiral impeller; the rotary brush is arranged in the inner cavity of the inner tube; the spiral impeller is arranged in the liquid discharge cavity; the rotary brush or the spiral impeller penetrates through one end of the inner tube, which is close to the exhaust port, and the rotary brush is connected with the spiral impeller. The suction tube has good anti-blocking effect, does not need to be additionally provided with a power source, and is convenient to use and ingenious in design.
Description
Technical Field
The invention belongs to the technical field of medical instruments, and particularly relates to an active anti-blocking suction tube.
Background
In medical surgery, to the mixed liquor of operation wound surface and the suction collection clearance of blood, traditional suction tube is usually made by silica gel or other soft materials, and in order to prevent the suction process by various slag in the liquid to block up, the suction tube is in the same place by inner tube and outer tube suit, be provided with a plurality of apertures on the inner tube lateral wall, the both ends of suction tube set up respectively as sunction inlet and discharge port, the discharge port is connected with negative pressure suction device, in the operation through the negative pressure suction effect of negative pressure suction device, make operation mixed liquor or blood get into the cavity between outward appearance and the inner tube through the sunction inlet, through the separation of inner tube to the slag after again, get into the inner tube cavity through the aperture of inner tube lateral wall, finally discharge through the discharge port, and the slag in mixed liquor or the blood then separates and remains in the cavity between outer tube and the inner tube.
However, in the use process, slag is easily accumulated in the small holes on the side wall of the inner tube, so that the small holes are blocked, and the blood and the mixed solution cannot be normally discharged, thereby affecting the normal operation of the operation.
Therefore, there is a need for a medical surgical suction tube that can prevent clogging.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide the active anti-blocking suction tube which has a good anti-blocking effect, does not need to additionally provide a power source, and is convenient to use and ingenious in design.
The technical scheme adopted for solving the technical problems is as follows:
an active anti-blocking suction tube comprises an outer tube, an inner tube and an anti-blocking assembly;
one end of the outer tube is a suction inlet, and the other end is a discharge outlet; the exhaust port of the outer tube is connected with the suction device;
the inner tube is arranged in the inner cavity of the outer tube, and a plurality of through holes penetrating through the side wall are formed in the inner tube; and one end of the inner pipe close to the suction inlet is in butt joint with the suction inlet; a liquid discharge cavity for discharging liquid is formed between the inner wall of the outer tube and the outer wall of the inner tube;
the anti-blocking assembly comprises a rotary brush capable of brushing the inner wall of the inner tube and a spiral impeller for driving the rotary brush to rotate; the rotary brush is arranged in the inner cavity of the inner tube in an extending way along the axial direction; the spiral impeller is arranged in the liquid discharge cavity and is coaxial with the rotary brush, and the spiral impeller rotates along with the discharge of liquid; the rotary brush or the spiral impeller penetrates through one end of the inner tube, which is close to the exhaust port, and the rotary brush is connected with the spiral impeller.
According to a preferred scheme of the invention, the through holes are provided with a plurality of groups, and the plurality of groups of through holes are arranged on the pipe wall of the inner pipe; the wall thickness of the through hole arranged on the side wall of the inner tube is thinner than that of the smooth position of the side wall of the inner tube.
In a preferred embodiment of the present invention, a mounting hole is formed at one end of the inner tube near the discharge port, for the rotary brush or the spiral impeller to pass through; the installation hole is provided with a supporting sleeve, and the rotary brush or the spiral impeller is arranged in the supporting sleeve in a penetrating way.
Preferably, one end of the spiral impeller, which is close to the rotary brush, is provided with a cross hinge connection structure for being connected with the rotary brush;
a cross bone position structure is arranged at one end of the rotary brush, which is close to the spiral impeller;
the cross bone position structure is matched with the cross hinge connecting structure so as to realize synchronous rotation of the spiral impeller and the rotary brush.
In a preferred embodiment of the present invention, the rotary brush includes a rod body and a plurality of brush leaves disposed on the rod body, and corresponds to the through hole on the inner tube.
In a preferred embodiment of the present invention, the screw impeller includes a screw rod and a screw plate spirally extending in a direction of the flow of the liquid.
In a preferred embodiment of the present invention, the outer tube includes a main tube and an assembly tube, one end of the assembly tube is detachably connected to the main tube, and the other end of the assembly tube forms the discharge port;
a plurality of limiting pieces distributed along the radial direction are arranged in the inner cavity of the assembly tube; one end of the inner tube, which is close to the exhaust port, is in butt joint with the limiting piece.
Preferably, the inner lumen of the assembly tube comprises a first lumen and a second lumen; the first cavity is arranged on one side close to the main pipe and is matched with the inner cavity of the main pipe; the second cavity is matched with the diameter of the spiral impeller, and the spiral impeller is arranged in the second cavity.
In a preferred embodiment of the present invention, an interface is provided at an end of the inner cavity of the outer tube near the suction inlet, and the interface is matched with an end of the inner tube near the suction inlet and is embedded into the inner tube.
In a preferred embodiment of the present invention, the suction connection tube is further included;
one end of the suction connection pipe is connected with the suction inlet of the outer pipe, and the other end of the suction connection pipe extends outwards and is used for sucking liquid.
Compared with the prior art, the invention has the beneficial effects that:
when the suction device works, under the negative pressure effect of the suction device, liquid (blood or mixed liquid) for removing wound surfaces is sucked away through the suction inlet or the suction connection pipe connected with the suction inlet, the liquid enters the inner pipe, moves into the liquid discharge cavity between the appearance and the inner pipe through the through hole on the side wall of the inner pipe, and finally leaves the suction pipe through the discharge outlet to be collected. The liquid has a certain moving speed under the negative pressure of the suction device, and at the moment, the liquid generates a certain impact force on the spiral impeller when passing through the spiral impeller, so that the spiral impeller is driven to rotate, and the rotating brush connected with the spiral impeller is driven to synchronously rotate. In the process, the inner wall of the inner tube, especially the through hole is cleaned by sweeping when the rotary brush rotates, substances such as slag and the like which are not easy to pass through the through hole are cleaned, the through hole is ensured to be kept smooth, and liquid can smoothly move from the inner tube to the liquid discharge cavity, so that blockage is avoided. So constantly, at the in-process that liquid was drawn out, screw impeller and rotatory brush keep rotating, form an active clear away anti-blocking effect, only need suction device work to carry out the attraction of liquid, can reach this effect, need not additionally to set up the power supply, design benefit, and anti-blocking effect is splendid, is favorable to guaranteeing the normal clear away of operation.
The active anti-blocking suction tube only needs the suction device to operate to perform suction and drainage of liquid, the anti-blocking component can operate to actively clean and block the suction tube, and compared with the suction tube which is blocked and then cleaned in the prior art, the active anti-blocking suction tube is more convenient to use and can ensure liquid cleaning and operation fluency.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a perspective exploded view of an active anti-blocking suction tube of the present invention.
Fig. 2 is a cross-sectional view of an active anti-blocking suction tube of the present invention.
Fig. 3 is a cross-sectional view of the hidden suction docking tube of fig. 2.
Fig. 4 is a perspective view of a main pipe.
Fig. 5 is a perspective view of the inner tube.
Fig. 6 is a cross-sectional view of the inner tube.
Fig. 7 is a perspective view of the screw impeller.
Fig. 8 is a front view of the cross hinge connection.
Fig. 9 is a perspective view of a rotating brush.
Fig. 10 is a perspective view of the assembly tube.
Fig. 11 is a front view of the assembled tube.
Fig. 12 is a cross-sectional view of the assembly tube.
Wherein:
1-an outer tube, 101-a main tube, 1011-an inhalation port, 1012-a buckle lug, 1013-an interface, 1014-a limit convex ring, 1015-a convex point, 102-a assembling tube, 1021-an ejection port, 1022-a first cavity, 1023-a second cavity, 1024-a limiting piece, 1025-a protecting piece, 1026-a connecting nozzle and 1027-a buckle groove;
2-inner tube, 201-through hole, 202-mounting hole, 203-rib;
3-anti-blocking components, 301-rotary brushes, 3011-rod bodies, 3012-brush blades, 3013-cross bone position structures, 302-spiral impellers, 3021-spiral rods, 3022-spiral sheets and 3023-cross hinge connection structures;
4-a sealing ring;
5-sucking the connection pipe;
6-a liquid discharge cavity;
7-supporting sleeve.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description. In addition, embodiments of the present application and features of the embodiments may be combined with each other without conflict. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, and the described embodiments are merely some, rather than all, embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, are intended to fall within the scope of the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Example 1
Referring to fig. 1-12, the present embodiment discloses an active anti-blocking suction tube, which comprises an outer tube 1, an inner tube 2, an anti-blocking assembly 3 and a suction connection tube 5.
Referring to fig. 1 to 6, the outer tube 1 has a suction port 1011 at one end and a discharge port 1021 at the other end. The discharge port 1021 of the outer tube 1 is connected with a suction device; one end of the suction connection pipe 5 is connected to the suction port 1011 of the outer pipe 1, and the other end extends outward for sucking liquid. The inner tube 2 is arranged in the inner cavity of the outer tube 1, and a plurality of through holes 201 penetrating through the side wall are formed in the inner tube 2; the end of the inner tube 2 near the suction port 1011 is butted with the suction port 1011; a liquid discharge cavity 6 for discharging liquid is formed between the inner wall of the outer tube 1 and the outer wall of the inner tube 2.
Referring to fig. 1-3 and 7-9, the anti-blocking assembly 3 includes a rotary brush 301 that can brush the inner wall of the inner tube 2, and a spiral impeller 302 for driving the rotary brush 301 to rotate; the rotary brush 301 is arranged in the inner cavity of the inner tube 2 in an extending way along the axial direction; the screw impeller 302 is provided in the liquid discharge chamber 6 coaxially with the rotary brush 301, and the screw impeller 302 rotates with the discharge of the liquid; the rotary brush 301 or the screw impeller 302 passes through an end of the inner tube 2 near the discharge port 1021, and the rotary brush 301 is connected to the screw impeller 302.
When the suction device works, under the negative pressure of the suction device, liquid (blood or mixed liquid) for removing wound surfaces is sucked away through the suction inlet 1011 or the suction connection pipe 5 connected with the suction inlet 1011, the liquid enters the inner pipe 2, moves into the liquid discharge cavity 6 between the appearance and the inner pipe 2 through the through hole 201 on the side wall of the inner pipe 2, and finally leaves the suction pipe through the discharge outlet 1021 to be collected. And because the liquid has a certain moving speed under the negative pressure of the suction device, when the liquid passes through the spiral impeller 302, a certain impact force is generated on the spiral impeller 302, so that the spiral impeller 302 is driven to rotate, and the rotary brush 301 connected with the spiral impeller 302 is driven to synchronously rotate. In this process, when the rotary brush 301 rotates, the inner wall of the inner tube 2, especially the through hole 201 is cleaned by brushing, and substances such as slag and the like which are not easy to pass through the through hole 201 are cleaned, so that the through hole 201 is ensured to be kept smooth, and liquid can smoothly move from the inner tube 2 into the liquid discharge cavity 6, and blockage is avoided.
Referring to fig. 5, further, the through holes 201 provided on the inner tube 2 in the present embodiment have two groups, and the two groups of through holes 201 are respectively provided on two sides of the inner tube 2; the wall thickness of the through hole 201 on the side wall of the inner tube 2 is thinner than that of the smooth position of the side wall of the inner tube 2. Specifically, in the present embodiment, the through holes 201 of the same group are arranged at equal intervals in the axial direction, and ribs 203 are provided at the side wall of the inner tube 2 where they are thinned. Through setting up such through-hole 201, be favorable to evenly discharging inner tube 2 through-hole 201 under negative pressure suction effect liquid, form balanced negative pressure effect in flowing back chamber 6, discharge liquid better, also be favorable to avoiding the slag to prick a heap in certain place of inner tube 2, further reduce the emergence of jam condition. Of course, the number of the through holes 201 of the present invention can be flexibly set according to practical situations, and is not limited to two groups.
Referring to fig. 2, 3 and 5, in order to facilitate connection of the spiral impeller 302 to the rotating brush 301, a mounting hole 202 is provided at one end of the inner tube 2 near the discharge port 1021 for the rotating brush 301 or the spiral impeller 302 to pass through. The mounting hole 202 is provided with a support sleeve 7, and the rotary brush 301 or the spiral impeller 302 is arranged in the support sleeve 7 in a penetrating manner. Meanwhile, a cross hinge connection structure 3023 for connecting with the rotary brush 301 is arranged at one end of the spiral impeller 302 close to the rotary brush 301; a cross bone position structure 3013 is arranged at one end of the rotary brush 301 close to the spiral impeller 302; the cross bone structure 3013 and the cross hinge connection structure 3023 cooperate to achieve synchronous rotation of the screw impeller 302 and the rotary brush 301.
Referring to fig. 2-3 and 7-9, further, the cross hinge connection structure 3023 of the spiral impeller 302 of the present embodiment is cylindrically configured and is inserted into the supporting sleeve 7, and is assembled with the cross bone structure 3013 of the rotary brush 301 after passing through the supporting sleeve 7. In addition, the cross hinge connection 3023 of the present embodiment includes a two-stage cylindrical structure, and the cylindrical structure on the side of the discharge port 1021 is enlarged and fitted with the support sleeve 7 so as to form an assembled relationship, and the specific structure thereof can be seen in fig. 7 to 9.
As another embodiment, the cross-shaped bone position structure 3013 of the rotary brush 301 may be connected to the cross-shaped hinge structure of the screw impeller 302 after passing through the supporting sleeve 7.
In addition, the connection between the spiral impeller 302 and the rotary brush 301 in the present embodiment may also adopt other clamping connection modes to realize synchronous rotation of the two. Such as a threaded connection, a snap-fit connection, etc.
Referring to fig. 1-3 and fig. 7-9, in one specific implementation of the rotary brush 301 and the spiral impeller 302 in this embodiment, the rotary brush 301 includes a rod 3011 and a plurality of brush leaves 3012 disposed on the rod 3011, and the plurality of brush leaves 3012 are sequentially disposed along an axial direction of the rod 3011; in addition, the arrangement of the brush leaves 3012 may take other forms, for example, a plurality of brush leaves 3012 may be arranged in a spiral manner, so as to improve the brushing effect on the inner wall of the inner tube 2. Specifically, the brush leaves 3012 in the present embodiment are divided into two groups and are arranged in a staggered manner. Of course, the structure of the rotary brush 301 may be flexibly set, for example, more groups of brush leaves 3012 may be set to improve the brushing effect on the inner wall of the inner tube 2, and the number of brush leaves 3012 may not be too large, so as to avoid affecting the rotation of the rotary brush 301 driven by the spiral impeller 302. In addition, the cross bone structure 3013 of this embodiment is connected to an end of the rod 3011 near the screw impeller 302. The screw impeller 302 therein comprises a screw rod 3021 and a screw flight 3022, said screw flight 3022 extending helically in the direction of the liquid flow. Further, a cross hinge connection structure 3023 in the present embodiment is provided at one end of the screw rod 3021 near the rotary brush 301. The spiral piece 3022 of the present embodiment, particularly, the continuous blade, may be formed of a plurality of split blades, which are all within the scope of the present invention. Under the flow guiding action of the spiral sheet 3022, the spiral impeller 302 is driven to rotate by being in impact fit with liquid discharge, so that the rotary brush 301 is driven to rotate synchronously, the cleaning of the inner wall of the inner tube 2 by the rotary brush 301, particularly the cleaning of the through hole 201 on the inner tube 2, the blocking of the through hole 201 by slag is avoided, and the normal use of the suction tube is ensured.
Referring to fig. 1-4 and fig. 10-12, in order to facilitate assembly of the inner tube 2, the outer tube 1 and the anti-blocking component 3, the outer tube 1 of the embodiment includes a main tube 101 and an assembly tube 102, and the outer wall of the main tube 101 is provided with a protruding point 1015, which is convenient for a user to hold and has an anti-slip effect. One end of the assembly tube 102 is detachably connected with the main tube 101, and the other end of the assembly tube 102 forms the discharge port 1021; a plurality of limiting members 1024 distributed along the radial direction are arranged in the inner cavity of the assembly tube 102; the end of the inner tube 2 near the discharge port 1021 is butted with the stopper 1024. Specifically, the end of the inner tube 2 near the outlet 1021 and the assembly tube 102 may be fixedly connected by welding, bonding, or the like, so that the inner tube 2 and the assembly tube 102 are convenient to be assembled and disassembled at the same time. For example, after the whole suction process is completed, the inner tube 2 and the assembly tube 102 can be removed together to reuse the useful components in the filtered slag.
Further, the inner lumen of the assembly tube 102 includes a first lumen 1022 and a second lumen 1023; the first cavity 1022 is disposed at a side close to the main pipe 101, and the first cavity 1022 is matched with an inner cavity of the main pipe 101; the second cavity 1023 matches the diameter of the screw impeller 302 (the second cavity 1023 is slightly larger than the screw impeller 302, the second cavity 1023 is smaller than the first cavity 1022), and the screw impeller 302 is disposed in the second cavity 1023. In this embodiment, the first cavity 1022 and the second cavity 1023 are in transition through a tapered structure, and the limiting member 1024 is also disposed on the tapered structure; in addition, a protecting member 1025 is further disposed radially outside the limiting member 1024. The limiting piece 1024 is used for abutting with the end of the inner tube 2, and forms two-end limiting and positioning functions with one end of the outer tube 1 close to the suction inlet 1011, so as to facilitate the assembly of the outer tube 1 and the inner tube 2; the protecting member 1025 surrounds the inner tube 2 radially outside the end near the discharge port 1021 to protect and prevent the end of the inner tube 2 from falling off the inner tube 2. In addition, the inner cavity of the assembly tube 102 of the embodiment is divided into the first cavity 1022 and the second cavity 1023, so that when the assembly tube is matched with the inner cavity of the main tube 101, the second cavity 1023 can provide a better liquid flow impact force for the spiral impeller 302, so that the stress of the spiral piece 3022 on the spiral impeller 302 is more balanced and stable, and active anti-blocking cleaning is realized.
In order to facilitate the connection of the assembly line 102 and the main pipe 101, the present embodiment sets the connection of the assembly line 102 and the main pipe 101 in a detachable connection relationship. Specifically, the outer wall of the main pipe 101 near one end of the assembly pipe 102 is provided with a fastening projection 1012, the side wall of the assembly pipe 102 near one end of the main pipe 101 is provided with a fastening groove 1027, the end of the main pipe 101 is embedded and sleeved in the assembly pipe 102, and the assembly of the main pipe 101 and the assembly pipe 102 can be realized through the rotation and the cooperation of the fastening projection 1012 and the fastening groove 1027. The embodiment of the fastening projection 1012 and the fastening groove 1027 on the main pipe 101 and the assembly pipe 102 can be seen in the fastening structure in the prior art. In addition, other embodiments, such as a threaded fit, may be used for the removable connection between the main tube 101 and the assembly tube 102.
Meanwhile, in this embodiment, a sealing ring 4 is disposed between the inner wall of the first cavity 1022 and the outer wall of the main pipe 101, so as to improve the tightness of the two and prevent liquid leakage. The end of the main pipe 101 near the assembling pipe 102 is provided with an assembling position, the sealing ring 4 is arranged in a groove of the assembling position, the clamping convex block is also arranged on the assembling position, and the assembling position is provided with a limiting convex ring 1014.
Further, the end of the assembly tube 102 remote from the main tube 101 is provided with a connection tube nozzle 1026, which connection tube nozzle 1026 is adapted to be connected to a suction device.
Referring to fig. 2-3, further, in this embodiment, a connector 1013 is disposed at an end of the inner cavity of the outer tube 1 near the suction inlet 1011, and the connector 1013 is matched with an end of the inner tube 2 near the suction inlet 1011 and is embedded in the inner tube 2. Through the arrangement of the interface 1013, one end of the inner tube 2 close to the suction inlet 1011 is in butt joint with the outer tube 1 to realize the communication with the suction inlet 1011, so that the liquid directly enters the inner tube 2 after passing through the suction inlet 1011.
The present invention is not limited to the preferred embodiments, and any modifications, equivalent variations and modifications made to the above embodiments according to the technical principles of the present invention are within the scope of the technical proposal of the present invention.
Claims (10)
1. An active anti-blocking suction tube is characterized by comprising an outer tube, an inner tube and an anti-blocking assembly; one end of the outer tube is a suction inlet, and the other end is a discharge outlet; the exhaust port of the outer tube is connected with the suction device; the inner tube is arranged in the inner cavity of the outer tube, and a plurality of through holes penetrating through the side wall are formed in the inner tube; and one end of the inner pipe close to the suction inlet is in butt joint with the suction inlet; a liquid discharge cavity for discharging liquid is formed between the inner wall of the outer tube and the outer wall of the inner tube; the anti-blocking assembly comprises a rotary brush capable of brushing the inner wall of the inner tube and a spiral impeller for driving the rotary brush to rotate; the rotary brush is arranged in the inner cavity of the inner tube in an extending way along the axial direction; the spiral impeller is arranged in the liquid discharge cavity and is coaxial with the rotary brush, and the spiral impeller rotates along with the discharge of liquid; the rotary brush or the spiral impeller penetrates through one end of the inner tube, which is close to the exhaust port, and the rotary brush is connected with the spiral impeller.
2. The active anti-blocking suction tube according to claim 1, wherein the through holes are provided with a plurality of groups, and the plurality of groups of through holes are arranged on the wall of the inner tube; the wall thickness of the through hole arranged on the side wall of the inner tube is thinner than that of the smooth position of the side wall of the inner tube.
3. The active anti-blocking suction tube of claim 1, wherein an end of the inner tube adjacent to the discharge port is provided with a mounting hole for the rotating brush or the screw impeller to pass through; the installation hole is provided with a supporting sleeve, and the rotary brush or the spiral impeller is arranged in the supporting sleeve in a penetrating way.
4. An active anti-blocking suction tube according to claim 1 or 3, wherein the end of the spiral impeller adjacent to the rotating brush is provided with a cross hinge connection structure for connection with the rotating brush; a cross bone position structure is arranged at one end of the rotary brush, which is close to the spiral impeller; the cross bone position structure is matched with the cross hinge connecting structure so as to realize synchronous rotation of the spiral impeller and the rotary brush.
5. The active anti-blocking suction tube of claim 1, wherein the rotary brush comprises a rod body and a plurality of brush leaves arranged on the rod body, and the brush leaves correspond to through holes on the inner tube.
6. The active anti-clogging suction tube of claim 1 wherein the helical impeller comprises a helical rod and a helical sheet that extends helically along the direction of liquid flow.
7. The active anti-blocking suction tube of claim 1, wherein the outer tube comprises a main tube and an assembly tube, one end of the assembly tube is detachably connected with the main tube, and the other end of the assembly tube forms the discharge port; a plurality of limiting pieces distributed along the radial direction are arranged in the inner cavity of the assembly tube; one end of the inner tube, which is close to the exhaust port, is in butt joint with the limiting piece.
8. The active anti-blocking suction tube of claim 7, wherein the inner lumen of the assembled tube comprises a first lumen and a second lumen; the first cavity is arranged on one side close to the main pipe and is matched with the inner cavity of the main pipe; the second cavity is matched with the diameter of the spiral impeller, and the spiral impeller is arranged in the second cavity.
9. The active anti-blocking suction tube of claim 1, wherein an interface is provided at an end of the outer tube lumen adjacent the suction port, the interface being mated with an end of the inner tube adjacent the suction port and embedded into the inner tube.
10. The active anti-blocking suction tube of claim 1, further comprising a suction connection tube; one end of the suction connection pipe is connected with the suction inlet of the outer pipe, and the other end of the suction connection pipe extends outwards and is used for sucking liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311788472.3A CN117442799A (en) | 2023-12-25 | 2023-12-25 | Active anti-blocking suction tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311788472.3A CN117442799A (en) | 2023-12-25 | 2023-12-25 | Active anti-blocking suction tube |
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|---|---|
| CN117442799A true CN117442799A (en) | 2024-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311788472.3A Pending CN117442799A (en) | 2023-12-25 | 2023-12-25 | Active anti-blocking suction tube |
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| CN (1) | CN117442799A (en) |
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| CN213667057U (en) * | 2020-03-27 | 2021-07-13 | 青岛德迈迪医疗科技有限公司 | Anti-blocking spray head of flushing and sucking device for orthopedics department |
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2023
- 2023-12-25 CN CN202311788472.3A patent/CN117442799A/en active Pending
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