CN219462058U - Negative pressure drainage device - Google Patents

Abstract

The utility model relates to a negative pressure drainage device, which belongs to the technical field of drainage devices and comprises a barrel, a drainage component, a connecting pipe and a drainage tube, wherein the drainage component comprises a rubber plug and a push rod arranged on the rubber plug, the rubber plug is positioned in the drainage tube and is used for sealing the drainage tube, a coaxial threaded pipe is sleeved on the push rod, an external thread is arranged on the outer wall of the threaded pipe, an internal thread opposite to the external thread is arranged on the inner wall of the barrel, the push rod is controlled to advance and retreat through the rotation of the threaded pipe in the barrel, an opening is formed in the barrel, the width of the opening is larger than the diameter of the drainage tube, the drainage tube is arranged in the barrel from the opening, the push rod is pushed to move through rotating the threaded pipe, the position of the rubber plug in the drainage tube is further changed to change the negative pressure value in the drainage tube, so that the negative pressure of the drainage tube is reduced after some drainage materials enter, but the negative pressure can be increased limited, and a certain amount of negative pressure is always contained in the drainage tube so as to meet the sucking capacity.

Description

Negative pressure drainage device

Technical Field

The utility model belongs to the technical field of drainage devices, and particularly relates to a negative pressure drainage device.

Background

Clinically, the negative pressure drainage device is called as a suction bottle. Is generally applied to ward, and is mainly used for sputum discharge, medical drainage, and also for discharging dirty blood and secretion.

The negative pressure drainage device is used for generating negative pressure in the cavity of the human body by utilizing the vacuum working principle, so that the liquid in the cavity is guided, and the functions of pollution discharge and purification are exerted.

The patent number is CN202120199329.0 portable negative pressure drainage device, describes a drainage device, and it possesses portability, but its negative pressure ability is not enough, after the drainage absorbs the drainage thing, its inside negative pressure value can reduce, and the suction ability is not enough this moment, inhales uncleanly easily.

Disclosure of Invention

1. Technical problem to be solved by the utility model

The utility model aims to solve the problems that the existing negative pressure drainage device does not have the capability of negative pressure adjustment, so that after the drainage material is sucked, the negative pressure value in the drainage device is insufficient, the subsequent drainage capability is reduced, and the suction is not clean.

2. Technical proposal

In order to achieve the above purpose, the technical scheme provided by the utility model is as follows:

the utility model relates to a negative pressure drainage device which comprises a cylinder body, a drainage component arranged in the cylinder body, and a connecting pipe positioned at one end of the cylinder body, wherein a drainage tube communicated with the connecting pipe is arranged in the cylinder body, the drainage component comprises a rubber plug and a push rod arranged on the rubber plug, the rubber plug is positioned in the drainage tube and is used for sealing the drainage tube, a coaxial threaded pipe is sleeved on the push rod, an external thread is arranged on the outer wall of the threaded pipe, an internal thread opposite to the external thread is arranged on the inner wall of the cylinder body, the push rod controls the push rod to advance and retreat through the rotation of the threaded pipe in the cylinder body, an opening is formed in the cylinder body, the width of the opening is larger than the diameter of the drainage tube, and the drainage tube is arranged in the cylinder body from the opening.

Preferably, the front end of drainage tube is equipped with the intubate subassembly, and the intubate subassembly includes fastener and spring, and the front end of drainage tube is equipped with protruding pipe, and protruding pipe is used for inserting the connecting pipe in communicate, is equipped with the cardboard in the barrel, and the intubate subassembly is inserted through the fastener and is connected on the cardboard, and the fastener passes through the spring to be connected with the drainage tube, and the fastener cover is on the drainage tube.

Preferably, the threaded pipe is provided with a screw, and the rotation of the threaded pipe is controlled by rotating the screw.

Preferably, the spring is in a balanced state, and the distance between the clamping piece and one end of the connecting pipe on the cylinder is smaller than the distance between the clamping piece and the front end of the convex pipe of the drainage pipe.

Preferably, a shallow groove is arranged in the connecting pipe, the depth of the shallow groove is designed to be equal to the length of the convex pipe at the front end of the drainage tube, the inner diameter of the connecting pipe is equal to the inner diameter of the convex pipe, and the inner diameter of the shallow groove is equal to the outer diameter of the convex pipe.

3. Advantageous effects

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:

(1) According to the negative pressure drainage device, the drainage assembly and the threaded pipe are arranged, the push rod is pushed to move by rotating the threaded pipe, the position of the rubber plug in the drainage tube is further changed, and the negative pressure value in the drainage tube is changed, so that the negative pressure of the drainage tube is reduced after some drainage objects enter the drainage tube, but the negative pressure can be increased limitedly, a certain amount of negative pressure is always contained in the drainage tube so as to meet the sucking capacity, and the drainage tube is sucked cleanly.

Drawings

FIG. 1 is a schematic diagram of a negative pressure drainage device according to the present utility model;

FIG. 2 is a schematic view of the internal structure of a negative pressure drainage device according to the present utility model;

FIG. 3 is a schematic view of a cannula assembly of a negative pressure drainage device according to the present utility model;

FIG. 4 is a schematic diagram of a connection structure of a drainage tube of the negative pressure drainage device of the present utility model;

FIG. 5 is a schematic view of a three-dimensional structure of a connection of a drainage tube of a negative pressure drainage device of the present utility model.

Reference numerals in the schematic drawings illustrate:

100. a cylinder body: 110. an opening; 120. a clamping plate;

200. a drainage assembly; 210. a rubber stopper; 220. a push rod; 230. a threaded tube; 231. a rotating piece;

300. a connecting pipe; 310. shallow grooves;

400. a drainage tube; 410. a cannula assembly; 411. a clamping piece; 412. a spring; 420. a convex tube.

Detailed Description

In order that the utility model may be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings, in which, however, the utility model may be embodied in many different forms and are not limited to the embodiments described herein, but are instead provided for the purpose of providing a more thorough and complete disclosure of the utility model.

It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present; when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present; the terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

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 utility model belongs; the terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model; the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Example 1

Referring to fig. 1-5, a negative pressure drainage device of this embodiment includes a barrel 100, a drainage component 200 installed in the barrel 100, a connection pipe 300 located at one end of the barrel 100, a drainage tube 400 connected with the connection pipe 300 is provided in the barrel 100, the drainage component 200 includes a rubber plug 210, a push rod 220 installed on the rubber plug 210, the rubber plug 210 is located in the drainage tube 400 and is used for sealing the drainage tube 400, a coaxial threaded pipe 230 is sleeved on the push rod 220, an external thread is provided on the outer wall of the threaded pipe 230, an internal thread opposite to the external thread is provided on the inner wall of the barrel 100, the push rod 220 controls the forward and backward movement of the threaded pipe 230 in the barrel 100, an opening 110 is provided on the barrel 100, the width of the opening 110 is larger than the diameter of the drainage tube 400, the drainage tube 400 is installed in the barrel 100 from the opening 110, the designed structure pushes the displacement of the push rod 220 by rotating the threaded pipe 230, the negative pressure value of the space in the drainage tube 400 is further changed by the rubber plug 210, after the connection pipe 300 is connected with a required drainage pipe, the drainage pipe 300, the drainage tube 400 is communicated with the connection pipe 300, the rubber plug 230 drives the rubber plug 210 to drive the negative pressure value of the drainage tube 300, and the negative pressure value is always kept far away from the drainage tube 400, and the negative pressure value is effectively reduced, and the negative pressure is used for absorbing the negative pressure in the drainage process.

The front end of the drainage tube 400 of this embodiment is provided with a cannula component 410, the cannula component 410 comprises a clamping piece 411 and a spring 412, the front end of the drainage tube 400 is provided with a convex tube 420, the convex tube 420 is used for being inserted into the connecting tube 300 to be communicated, a clamping plate 120 is arranged in the cylinder 100, the cannula component 410 is inserted on the clamping plate 120 to be connected through the clamping piece 411, the clamping piece 411 is connected with the drainage tube 400 through the spring 412, the clamping piece 411 is sleeved on the drainage tube 400, a shallow groove 310 is arranged in the connecting tube 300, the depth of the shallow groove 310 is as long as the convex tube 420 at the front end of the drainage tube 400, the inner diameter of the connecting tube 300 is the same as the inner diameter of the convex tube 420, the inner diameter of the shallow groove 310 is the same as the outer diameter of the convex tube 420, the spring 412 is in a balanced state, the distance between the clamping piece 411 and one end of the connecting tube 300 on the cylinder 100 is smaller than the distance between the clamping piece 411 and the front end of the convex tube 420 of the drainage tube 400, when the drainage tube 400 is installed in the cylinder 100, the clamping piece 411 is firstly inserted on the clamping plate 120, the convex tube 420 is contacted with the inner wall of the cylinder 100, the spring 412 is compressed, the clamping piece 310 is then the convex tube 420 is continuously pressed, the clamping piece 420 is the convex tube 420, the inner diameter is the convex tube 420 is the same as the inner diameter of the convex tube 420, the convex tube 420 is always kept to be in a constant, the same as the elastic state, the elastic joint, and the connecting tube is always in the inner diameter of the cylinder 100, and the convex tube is always stable.

When in operation, the device comprises: firstly, a drainage tube 400 is selected, a clamping piece 411 is inserted on a clamping plate 120 for installation until a convex pipe 420 is inserted into a shallow groove 310, then an installed drainage assembly 200 is inserted from one end of a cylinder body 100, and it is noted that a push rod 220 of the installed drainage assembly 200 is fixedly connected with a threaded sleeve, wherein a rubber plug 210 is inserted into the drainage tube 400, the threaded tube 230 is installed in the cylinder body 100, the rubber plug 210 is close to a connecting pipe 300 by rotating a rotating piece 231, after the minimum distance is reached, the device is connected to the pipe needing drainage, the rotating piece 231 is slowly rotated, the rotating direction is opposite to the direction of just rotation, namely, the rubber plug 210 is far away from the connecting pipe 300, negative pressure is formed in the drainage tube 400, and drainage is sucked.

The foregoing examples merely illustrate certain embodiments of the utility model and are described in more detail and are not to be construed as limiting the scope of the utility model; it should be noted that it is possible for a person skilled in the art to make several variants and modifications without departing from the concept of the utility model, all of which fall within the scope of protection of the utility model; accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (5)

1. A negative pressure drainage device, which is characterized in that: including barrel (100), install drainage subassembly (200) in barrel (100), be located connecting pipe (300) of barrel (100) one end, be equipped with drainage tube (400) with connecting pipe (300) intercommunication in barrel (100), drainage subassembly (200) include rubber buffer (210), install push rod (220) on rubber buffer (210), rubber buffer (210) are located drainage tube (400) for seal drainage tube (400), the cover has coaxial screwed pipe (230) on push rod (220), be equipped with the external screw thread on the outer wall of screwed pipe (230), be equipped with the internal screw thread that is opposite with it on the inner wall of barrel (100), push rod (220) are through the rotation of screwed pipe (230) in barrel (100) control its advance and retreat, open opening (110) on barrel (100), the width of opening (110) is greater than the diameter of drainage tube (400), drainage tube (400) are installed in barrel (100) from opening (110).

2. The negative pressure drainage device according to claim 1, wherein: the front end of drainage tube (400) is equipped with intubate subassembly (410), intubate subassembly (410) are including fastener (411) and spring (412), the front end of drainage tube (400) is equipped with protruding pipe (420), protruding pipe (420) are used for inserting in connecting pipe (300) and communicate, be equipped with cardboard (120) in barrel (100), intubate subassembly (410) are inserted on cardboard (120) through fastener (411) and are connected, fastener (411) are connected with drainage tube (400) through spring (412), fastener (411) cover is on drainage tube (400).

3. The negative pressure drainage device according to claim 1, wherein: the threaded pipe (230) is provided with a screw (231), and the rotation of the threaded pipe (230) is controlled by rotating the screw (231).

4. The negative pressure drainage device according to claim 2, wherein: the spring (412) is in a balanced state, and the distance between the clamping piece (411) and one end of the connecting pipe (300) on the cylinder body (100) is smaller than the distance between the clamping piece (411) and the front end of the convex pipe (420) of the drainage pipe (400).

5. The negative pressure drainage device according to claim 1, wherein: the connecting pipe (300) is internally provided with a shallow groove (310), the depth of the shallow groove (310) is equal to the length of a convex pipe (420) at the front end of the drainage pipe (400), the inner diameter of the connecting pipe (300) is equal to the inner diameter of the convex pipe (420), and the inner diameter of the shallow groove (310) is equal to the outer diameter of the convex pipe (420).