CN220090080U - Medical negative pressure suction device - Google Patents
Medical negative pressure suction device Download PDFInfo
- Publication number
- CN220090080U CN220090080U CN202321501039.2U CN202321501039U CN220090080U CN 220090080 U CN220090080 U CN 220090080U CN 202321501039 U CN202321501039 U CN 202321501039U CN 220090080 U CN220090080 U CN 220090080U
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- vacuum box
- suction
- piston
- pipe
- negative pressure
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- 238000007789 sealing Methods 0.000 claims abstract description 12
- 238000009434 installation Methods 0.000 claims description 9
- 239000007788 liquid Substances 0.000 abstract description 6
- 239000002699 waste material Substances 0.000 abstract description 6
- 238000013022 venting Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of medical equipment, in particular to a medical negative pressure suction device. Including vacuum box and suction cylinder, install suction tube and bleeder subassembly on the lateral wall of vacuum box, the one end that the vacuum box was kept away from to the suction tube is installed on the suction cylinder, sliding connection has the piston in the vacuum box, be provided with the sealing washer on the piston, the top fixed mounting of piston has the connecting rod, the one end that the piston was kept away from to the connecting rod runs through to the outside of vacuum box. According to the utility model, the handle is pulled to drive the connecting rod to vertically move, the connecting rod drives the piston to vertically move, suction force is generated to suck waste liquid into the suction cylinder, when the suction pressure is insufficient, the handle is loosened, and the piston vertically moves under the action of the spring to directly enter the bottom of the box, so that the rotating handrail is not required to rotate, a large amount of time is shortened, and the use efficiency is improved.
Description
Technical Field
The utility model belongs to the technical field of medical equipment, and particularly relates to a medical negative pressure suction device.
Background
The medical negative pressure suction device is based on the principle that the negative pressure state of the suction head is manufactured by a certain method, so that the atmospheric pressure can squeeze substances outside the suction head to the suction head, thereby completing the suction effect.
Through searching, in the prior art, chinese patent application number: 202021020038.2A vacuum box of the medical negative pressure suction device is large in volume, can form large suction force, can suck for a plurality of times, and meanwhile, the suction barrel is used, so that waste liquid can not directly pollute the vacuum box after being sucked. And when the suction pressure is insufficient, the piston can be sunk to the bottom of the box again, and then the vacuumizing treatment is carried out again.
The device still has the following drawbacks:
when the attraction pressure is insufficient, the device needs to rotate the rotary handrail, the rotary handrail drives the lifting screw to rotate, the piston can be sunk to the bottom of the box, a large amount of time is needed in the process of rotating the rotary handrail, and the efficiency is low in the use of a hospital clinic.
Disclosure of Invention
In view of the above problems, the present utility model provides a medical negative pressure suction device. Including vacuum box and suction cylinder, install suction tube and bleeder subassembly on the lateral wall of vacuum box, the one end that the vacuum box was kept away from to the suction tube is installed on the suction cylinder, sliding connection has the piston in the vacuum box, be provided with the sealing washer on the piston, the top fixed mounting of piston has the connecting rod, the one end that the piston was kept away from to the connecting rod runs through to the outside of vacuum box, just the one end fixed mounting that the piston was kept away from to the connecting rod has the handle, cup jointed the spring on the connecting rod, the one end fixed mounting of spring is on the piston, the other end fixed mounting of spring is on the top inner wall of vacuum box, the air vent has been seted up at the top of vacuum box.
Further, the suction cylinder is provided with a suction port and a connecting pipe, and one end of the connecting pipe, which is far away from the suction cylinder, is arranged at one end of the suction pipe, which is far away from the vacuum box.
Further, the one end that the connecting pipe kept away from the suction cylinder is installed spacing pipe, the one end that the connecting pipe is close to spacing pipe is provided with the external screw thread ring.
Further, a vacuum gauge is arranged on the suction pipe, a limit groove is formed in one end, far away from the vacuum box, of the suction pipe, and the limit groove is spliced on the limit pipe.
Further, one end of the suction pipe far away from the vacuum box is rotationally connected with a thread block, and the thread block is in threaded connection with the external thread ring.
Further, the air release assembly comprises an air release pipe, the air release pipe is fixedly arranged on the side wall of the vacuum box, and a plurality of groups of air release holes are formed in the air release pipe.
Further, a gas leakage groove is formed in the side wall of the vacuum box, a gas leakage hole is formed in the gas leakage groove, and the gas leakage groove is communicated with the gas leakage pipe.
Further, the inner wall line of the air leakage pipe is fixedly provided with an installation rod, one end of the installation rod is sleeved with a moving rod, one end of the moving rod, which is far away from the installation rod, is provided with a sealing block, and the sealing block is positioned in the air leakage groove.
The beneficial effects of the utility model are as follows:
according to the utility model, the handle is pulled to drive the connecting rod to vertically move, the connecting rod drives the piston to vertically move, suction force is generated to suck waste liquid into the suction cylinder, when the suction pressure is insufficient, the handle is loosened, and the piston vertically moves under the action of the spring to directly enter the bottom of the box, so that the rotating handrail is not required to rotate, a large amount of time is shortened, and the use efficiency is improved.
Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model may be realized and attained by the structure particularly pointed out in the written description and drawings.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 shows a schematic diagram of a structure according to an embodiment of the present utility model;
FIG. 2 shows a schematic cross-sectional structure according to an embodiment of the utility model;
FIG. 3 shows an enlarged schematic view of the structure of FIG. 2 at A in accordance with an embodiment of the utility model;
fig. 4 shows a schematic view of a connecting rod portion structure according to an embodiment of the present utility model.
In the figure: 110. a vacuum box; 120. a connecting rod; 130. a piston; 140. a seal ring; 150. a spring; 160. a vent hole; 170. a handle; 210. a suction cylinder; 220. a suction port; 230. a connecting pipe; 231. a limiting tube; 232. an external threaded ring; 310. a suction tube; 311. a limit groove; 320. a vacuum gauge; 330. a screw block; 410. a gas discharge tube; 420. an exhaust hole; 430. a mounting rod; 440. a moving rod; 450. a sealing block; 460. a gas release groove; 470. and a vent hole.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the utility model provides a medical negative pressure suction device, which comprises a vacuum box 110 and a suction cylinder 210, wherein a suction tube 310 and a venting component are installed on the side wall of the vacuum box 110, one end of the suction tube 310, which is far away from the vacuum box 110, is installed on the suction cylinder 210, a piston 130 is connected in a sliding manner in the vacuum box 110, a sealing ring 140 is arranged on the piston 130, a connecting rod 120 is fixedly installed at the top of the piston 130, one end of the connecting rod 120, which is far away from the piston 130, penetrates through the outside of the vacuum box 110, a handle 170 is fixedly installed at one end of the connecting rod 120, which is far away from the piston 130, a spring 150 is sleeved on the connecting rod 120, one end of the spring 150 is fixedly installed on the piston 130, the other end of the spring 150 is fixedly installed on the inner wall at the top of the vacuum box 110, and a vent 160 is arranged at the top of the vacuum box 110.
The handle 170 drives the piston 130 to vertically move through the connection rod 120, thereby generating attractive force, and absorbing the waste liquid through the suction cylinder 210. When the attractive force is insufficient, the handle 170 is released, and the piston 130 moves to the bottom of the case under the action of the spring 150. Thereby accelerating the recovery speed of the piston and shortening a large amount of time.
The suction tube 210 is provided with a suction port 220 and a connection tube 230, and one end of the connection tube 230 away from the suction tube 210 is mounted at one end of the suction tube 310 away from the vacuum box 110.
The end of the connecting pipe 230 far away from the suction tube 210 is provided with a limiting pipe 231, and the end of the connecting pipe 230 near the limiting pipe 231 is provided with an external thread ring 232.
The vacuum gauge 320 is installed on the suction pipe 310, a limit groove 311 is formed at one end of the suction pipe 310 far away from the vacuum box 110, and the limit groove 311 is inserted into the limit pipe 231.
A switch is also provided in the suction tube 310 for controlling the opening and closing of the suction tube 310.
The end of the suction tube 310 far away from the vacuum box 110 is rotatably connected with a screw block 330, and the screw block 330 is screwed on the external screw ring 232.
Through inserting the limiting pipe 231 in the limiting groove 311 and connecting the thread block 330 with the external thread ring 232 in a threaded manner, the suction pipe 310 is installed on the suction barrel 210, so that the suction barrel 210 is convenient to install and detach, and the suction barrel 210 is convenient to replace. After the suction tube 210 is replaced, the device can be used for the next user, so that the use efficiency is improved.
The air release assembly includes an air release pipe 410, the air release pipe 410 is fixedly installed on the sidewall of the vacuum box 110, and a plurality of sets of air release holes 420 are formed on the air release pipe 410.
The sidewall of the vacuum box 110 is provided with a venting groove 460, a venting hole 470 is provided in the venting groove 460, and the venting groove 460 is communicated with the venting pipe 410.
The inner wall of the air release pipe 410 is fixedly provided with an installation rod 430, one end of the installation rod 430 is sleeved with a moving rod 440, one end of the moving rod 440 away from the installation rod 430 is provided with a sealing block 450, and the sealing block 450 is positioned in the air release groove 460.
During the movement of the piston 130, a negative pressure is generated in the vacuum box 110, so that the sealing block 450 is tightly attached in the air release groove 460, and no air enters the vacuum box 110, so that the suction cylinder 210 can absorb the waste liquid. When the suction force is insufficient, the piston 130 moves vertically, and at the same time, the switch in the suction pipe 310 is turned off, and the air in the vacuum box 110 is discharged to the outside of the vacuum box 110 through the air release hole 470, the air release groove 460 and the air release hole 420, so that the waste liquid in the suction port 220 on the suction cylinder 210 is not easily caused to flow back.
Although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (8)
1. A medical negative pressure suction device, which is characterized in that: including vacuum box (110) and suction tube (210), install suction tube (310) and bleeder assembly on the lateral wall of vacuum box (110), suction tube (310) are kept away from the one end of vacuum box (110) and are installed on suction tube (210), sliding connection has piston (130) in vacuum box (110), be provided with sealing washer (140) on piston (130), the top fixed mounting of piston (130) has connecting rod (120), the one end that piston (130) was kept away from to connecting rod (120) runs through to the outside of vacuum box (110), just the one end fixed mounting that piston (130) was kept away from to connecting rod (120) has handle (170), cup jointed spring (150) on connecting rod (120), one end fixed mounting of spring (150) is on piston (130), the other end fixed mounting of spring (150) is on the top inner wall of vacuum box (110), air vent (160) have been seted up at the top of vacuum box (110).
2. The medical negative pressure suction device according to claim 1, wherein: the suction tube (210) is provided with a suction port (220) and a connecting tube (230), and one end of the connecting tube (230) far away from the suction tube (210) is arranged at one end of the suction tube (310) far away from the vacuum box (110).
3. A medical negative pressure suction apparatus according to claim 2, wherein: the one end that suction tube (210) was kept away from to connecting pipe (230) is installed spacing pipe (231), one end that connecting pipe (230) is close to spacing pipe (231) is provided with external screw thread ring (232).
4. A medical negative pressure suction apparatus according to claim 3, wherein: install vacuum table (320) on suction tube (310), spacing groove (311) have been seted up to one end that suction tube (310) kept away from vacuum box (110), spacing groove (311) are pegged graft on spacing pipe (231).
5. The medical negative pressure suction device according to claim 4, wherein: one end of the suction pipe (310) far away from the vacuum box (110) is rotationally connected with a threaded block (330), and the threaded block (330) is in threaded connection with the external threaded ring (232).
6. The medical negative pressure suction device according to claim 1, wherein: the air release assembly comprises an air release pipe (410), the air release pipe (410) is fixedly arranged on the side wall of the vacuum box (110), and a plurality of groups of air release holes (420) are formed in the air release pipe (410).
7. The medical negative pressure suction device according to claim 6, wherein: the side wall of the vacuum box (110) is provided with a gas leakage groove (460), the gas leakage groove (460) is internally provided with a gas leakage hole (470), and the gas leakage groove (460) is communicated with the gas leakage pipe (410).
8. The medical negative pressure suction device according to claim 7, wherein: the inner wall fixed mounting of bleeder (410) has installation pole (430), movable rod (440) have been cup jointed to the one end of installation pole (430), sealing block (450) are installed to the one end that movable rod (440) kept away from installation pole (430), sealing block (450) are located bleeder groove (460).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321501039.2U CN220090080U (en) | 2023-06-13 | 2023-06-13 | Medical negative pressure suction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321501039.2U CN220090080U (en) | 2023-06-13 | 2023-06-13 | Medical negative pressure suction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220090080U true CN220090080U (en) | 2023-11-28 |
Family
ID=88867932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321501039.2U Active CN220090080U (en) | 2023-06-13 | 2023-06-13 | Medical negative pressure suction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220090080U (en) |
-
2023
- 2023-06-13 CN CN202321501039.2U patent/CN220090080U/en active Active
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