CN215504859U

CN215504859U - Propelling device for washing tube injector

Info

Publication number: CN215504859U
Application number: CN202121394990.3U
Authority: CN
Inventors: 方萌
Original assignee: Wuhan University WHU
Current assignee: Wuhan University WHU
Priority date: 2021-06-22
Filing date: 2021-06-22
Publication date: 2022-01-14
Anticipated expiration: 2031-06-22

Abstract

The utility model provides a propelling device for a wash pipe injector, which comprises a box body, an outer geneva mechanism, a driving slide bar, a driven slide bar and an injector placing groove. The utility model continuously pushes through the driving slide bar and converts the driving slide bar into the intermittent pushing of the driven slide bar through the outer sheave mechanism, the driven push plate on the driven slide bar pushes the piston of the washing pipe injector to intermittently push, and the washing liquid is intermittently pushed into the indwelling pipe to generate vortex for cleaning.

Description

Propelling device for washing tube injector

Technical Field

The utility model belongs to the field of medical aids, and particularly relates to a propelling device for a wash pipe injector.

Background

When the tube flushing injector is used for flushing the indwelling needle, the injector is not continuously pushed once, but is intermittently pushed, the tube flushing operation is carried out, and a vortex is formed to flush the residues in the indwelling needle tube. At present, a large number of disposable continuous straight-in syringes are used in hospitals, and the intermittent washing tube is manually controlled. But the stay position and the stay times of the push rod of the injector are difficult to be ensured during operation, so that the tube flushing effect is difficult to control reliably.

The market also has a direct improvement proposal of the injector to a disposable intermittent injector, but the existing continuous injector still exists and is produced in large quantity, so that the utility model is necessary to invent an auxiliary propeller of the indwelling needle wash tube to be more practical.

SUMMERY OF THE UTILITY MODEL

In view of the problems of the background art, the present invention provides a propulsion device for a wash-tube injector.

In order to solve the technical problems, the utility model adopts the following technical scheme:

a propulsion device for a wash tube injector, comprising:

the box body is internally provided with a working cavity, a driving sliding chute and a driven sliding chute are respectively arranged on two sides of the working cavity, a first strip-shaped opening and a second strip-shaped opening are respectively formed in two side walls of the driving sliding chute, and a third strip-shaped opening and a fourth strip-shaped opening are respectively formed in two side walls of the driven sliding chute;

the outer sheave mechanism is arranged in the working cavity and comprises a driving plate and a driven sheave, and a driving gear and a driven gear are respectively arranged on wheel shafts of the driving plate and the driven sheave;

the driving sliding strip is arranged in the driving sliding groove in a sliding mode, a driving rack is arranged on the inner side face of the driving sliding strip, teeth of the driving rack extend into the working cavity through a second strip-shaped opening and are meshed with the driving gear, a driving push plate is arranged on the outer side face of the driving sliding strip, and the driving push plate penetrates through the first strip-shaped opening and extends out;

the driven sliding strip is arranged in the driven sliding groove in a sliding mode, a driven rack is arranged on the inner side face of the driven sliding strip, teeth of the driven rack extend into the working cavity through a third strip-shaped opening and are meshed with the driven gear, a driven push plate is arranged on the outer side face of the driven sliding strip, and the driven push plate extends out through a fourth strip-shaped opening;

and the injector placing groove is arranged on the outer side of the driven sliding groove and is positioned beside the fourth strip port, and the driven push plate extends into the injector placing groove.

Further, two side walls of the injector holding groove are provided with injector lug plate inserting ports.

Further, a fixed pinching plate is arranged on the outer side of the driving sliding groove.

Further, the box body is formed by buckling an upper box body and a lower box body, and the working cavity, the driving sliding groove, the first strip-shaped opening, the second strip-shaped opening, the driven sliding groove, the third strip-shaped opening, the fourth strip-shaped opening and the injector placing groove are formed between the upper box body and the lower box body.

Compared with the prior art, the utility model has the following technical advantages:

1. the driving slide bar is continuously pushed, the driving slide bar is converted into intermittent pushing of the driven slide bar through the outer sheave mechanism, the driven push plate on the driven slide bar pushes the washing pipe injector piston to be intermittently pushed, washing liquid is intermittently pushed into the indwelling pipe to generate vortex for cleaning, the intermittent pushing action required by human is omitted in the whole process, and an operator only needs to continuously push the driving slide bar.

Drawings

FIG. 1 is a schematic external view of a propulsion device for a wash-tube injector;

FIG. 2 is an exploded pictorial illustration of the apparatus of FIG. 1;

FIG. 3 is a schematic view of the driving slide, outer sheave mechanism, and driven slide of FIG. 2;

FIG. 4 is a top view of the device of FIG. 1;

wherein, 100-box body; 100A-upper box body; 100B-lower box; 110-a working chamber; 120-active chute; 121-a first bar-shaped orifice; 122-a second bar port; 130-driven chute; 131-a third strip-shaped opening; 132-a fourth shaped orifice; 140-syringe resting groove; 141-syringe ear plate socket; 150-fixing a kneading plate; 200-an external geneva mechanism; 210-an active dial; 211-a drive gear; 220-a driven sheave; 221-driven gear; 300-active slider; 310-active rack; 320-active push plate; 400-driven slider; 410-driven rack; 420-a driven push plate; a-washing the tube syringe; and B, syringe ear plates.

Detailed Description

The utility model will be further described with reference to examples of embodiments shown in the drawings.

1-4, a propulsion device for a wash-tube injector, comprising:

a box body 100, in which a working chamber 110 is arranged, a driving chute 120 and a driven chute 130 are respectively arranged on two sides of the working chamber 110, a first strip-shaped opening 121 and a second strip-shaped opening 122 are respectively arranged on two side walls of the driving chute 120, and a third strip-shaped opening 131 and a fourth strip-shaped opening 132 are respectively arranged on two side walls of the driven chute 130;

an outer sheave mechanism 200 disposed in the working chamber 110, the outer sheave mechanism 200 including a driving dial 210 and a driven sheave 220, a driving gear 211 and a driven gear 221 being disposed on axles of the driving dial 210 and the driven sheave 220, respectively;

the driving slide bar 300 is slidably arranged in the driving slide groove 120, a driving rack 310 is arranged on the inner side surface of the driving slide bar 300, the teeth of the driving rack 310 extend into the working cavity 110 through the second strip-shaped opening 122 and are meshed with the driving gear 211, a driving push plate 320 is arranged on the outer side surface of the driving slide bar 300, and the driving push plate 320 extends out through the first strip-shaped opening 121;

a driven slide bar 400, which is slidably disposed in the driven slide groove 220, wherein a driven rack 410 is disposed on an inner side surface of the driven slide bar 400, teeth of the driven rack 410 extend into the working chamber 110 through a third strip-shaped opening 131 and are engaged with the driven gear 221, a driven push plate 420 is disposed on an outer side surface of the driven slide bar 400, and the driven push plate 420 extends out through the fourth strip-shaped opening 132;

a syringe-resting groove 140 disposed outside the driven chute 130 and beside the fourth rectangular port 132, the driven push plate 420 protruding into the syringe-resting groove 140.

When the device is used for flushing the indwelling tube, the flushing tube injector A which is connected with the indwelling tube and is filled with cleaning fluid is placed in the injector placing groove 140, then the driving push plate 320 is pushed, the driving slide bar 300 and the driving rack bar 310 move together, meanwhile, the driving rack bar 310 drives the driving gear 211 to rotate, as the driving gear 211 and the driving dial 210 are integrated, the driving dial 210 rotates along with the driving gear 211 to drive the driven sheave 220 to intermittently rotate, and as the driven gear 221 and the driven sheave 220 are integrated, the driving gear 221 intermittently rotates along with the driven sheave 220 to further push the driven rack 410 and the driven slide bar 400 to intermittently move linearly, and the driven push plate 420 pushes the piston of the flushing tube injector A to intermittently push along with the movement of the driven slide bar 400 to inject the cleaning fluid into the indwelling tube.

In fig. 2, the case 100 is formed by fastening an upper case 100A and a lower case 100B, in the drawing, after the working chamber 110, the driving sliding groove 120, the first strip-shaped opening 121, the second strip-shaped opening 122, the driven sliding groove 130, the third strip-shaped opening 131, the fourth strip-shaped opening 132 and the syringe placement groove 140 are fastened by the upper case 100A and the lower case 100B, the working chamber is generated by a chamber or a gap at a corresponding position at a junction of the upper case 100A and the lower case 100B, and the first strip-shaped opening 121, the second strip-shaped opening 122, the third strip-shaped opening 131 and the fourth strip-shaped opening 132 are substantially indicated by edges of the upper case 100A and the lower case 100B, respectively.

In fig. 4, the internal structure is shown for clarity of connection.

Further, both side walls of the syringe resting groove 140 are provided with syringe ear plate insertion holes 141. The two syringe ear plate sockets 141 can just receive the two syringe ear plates B of the flushing syringe A to be inserted and fixed.

Further, a fixed pinch plate 150 is disposed outside the active chute 120. When the device is used, the fixed pinching plate 150 and the active pushing plate 320 are respectively pinched by two fingers to be folded, so that the pushing operation is convenient.

Further, the box body 100 is formed by fastening an upper box body 100A and a lower box body 100B, and the working chamber 110, the driving sliding groove 120, the first strip-shaped opening 121, the second strip-shaped opening 122, the driven sliding groove 130, the third strip-shaped opening 131, the fourth strip-shaped opening 132 and the syringe placement groove 140 are formed between the upper box body 100A and the lower box body 100B. At the junction of the upper box 100A and the lower box 100B, there is a cavity or a gap at a partial position, so that after the upper box 100A and the lower box 100B are fastened, a working cavity 110, a driving slide groove 120, a first strip-shaped opening 121, a second strip-shaped opening 122, a driven slide groove 130, a third strip-shaped opening 131, a fourth strip-shaped opening 132 and a syringe placement groove 140 are formed.

It should be understood that parts of the specification not set forth in detail are well within the prior art.

It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the utility model, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A propulsion device for a wash tube injector, comprising:

the box body (100) is internally provided with a working cavity (110), a driving sliding chute (120) and a driven sliding chute (130) are respectively arranged on two sides of the working cavity (110), a first strip-shaped opening (121) and a second strip-shaped opening (122) are respectively formed in two side walls of the driving sliding chute (120), and a third strip-shaped opening (131) and a fourth strip-shaped opening (132) are respectively formed in two side walls of the driven sliding chute (130);

the outer sheave mechanism (200) is arranged in the working chamber (110), the outer sheave mechanism (200) comprises a driving dial (210) and a driven sheave (220), and a driving gear (211) and a driven gear (221) are respectively arranged on wheel shafts of the driving dial (210) and the driven sheave (220);

the driving sliding strip (300) is arranged in the driving sliding groove (120) in a sliding mode, a driving rack (310) is arranged on the inner side face of the driving sliding strip (300), teeth of the driving rack (310) extend into the working cavity (110) through a second strip-shaped opening (122) and are meshed with the driving gear (211), a driving push plate (320) is arranged on the outer side face of the driving sliding strip (300), and the driving push plate (320) penetrates through the first strip-shaped opening (121) and extends out;

the driven sliding strip (400) is arranged in the driven sliding groove (220) in a sliding mode, a driven rack (410) is arranged on the inner side face of the driven sliding strip (400), teeth of the driven rack (410) extend into the working cavity (110) through a third strip-shaped opening (131) and are meshed with the driven gear (221), a driven push plate (420) is arranged on the outer side face of the driven sliding strip (400), and the driven push plate (420) extends out through a fourth strip-shaped opening (132);

a syringe-resting groove (140) disposed outside the driven chute (130) and beside the fourth shaped opening (132), the driven push plate (420) extending into the syringe-resting groove (140).

2. The advancing device for a washpipe injector as claimed in claim 1, characterized in that the injector resting groove (140) is provided with injector lug sockets (141) on both side walls.

3. The advancing device for a washpipe injector as claimed in claim 1, characterized in that a stationary pinch plate (150) is arranged outside the active chute (120).

4. The advancing device for a washpipe syringe according to any one of claims 1 to 3, characterized in that the box body (100) is formed by buckling an upper box body (100A) and a lower box body (100B), and the working chamber (110), the driving chute (120), the first strip-shaped opening (121), the second strip-shaped opening (122), the driven chute (130), the third strip-shaped opening (131), the fourth strip-shaped opening (132) and the syringe placement groove (140) are formed between the upper box body (100A) and the lower box body (100B).