CN211157559U - Manual negative pressure suction device structure - Google Patents

Abstract

The utility model discloses a manual vacuum aspiration ware structure, its structure includes the cylinder, the connecting plate, the depression bar, the pressure button, the scale interval, piston and negative pressure switch mechanism, this manual vacuum aspiration ware structure, through scale interval and negative pressure switch mechanism have been set up in the cylinder upper end, when the depression bar in the pulling in-process, the scale interval through the pull rod upper end can conveniently observe and adjust the pressure size, and through being provided with luer joint, can conveniently connect the pipe, make convenient to use swift, drive the piston through the depression bar, thereby make the inside negative pressure that forms of cylinder, thereby the volume of vacuum aspiration ware structure has been reduced, the original mode of using ordinary negative pressure ball has been changed, make this structure conveniently carry and to the advantage of pressure size quick adjustment.

Description

Manual negative pressure suction device structure

Technical Field

The utility model relates to the technical field of medical appliances, in particular to a manual negative pressure aspirator structure.

Background

The negative pressure suction apparatus is a tool for manufacturing the negative pressure state of the suction head by a certain method, and the substances outside the suction head are extruded to the suction head, thereby completing the suction effect.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the defects of the prior art, a manual negative pressure aspirator structure is provided, and the problems that the conventional negative pressure aspirator structure cannot achieve the treatment effect due to too small pressure of a common negative pressure ball, cannot detect the pressure, is inconvenient for a patient to move by using an electric aspirator or strongly sucks the patient, and even limits the movement of the patient are solved.

(II) technical scheme

The utility model discloses a following technical scheme realizes: the utility model provides a manual vacuum extractor structure, including cylinder, connecting plate, depression bar, pressure button, scale interval, piston and negative pressure switch mechanism, the cylinder is with the perpendicular seamless bonding of connecting plate top end wall along vertical direction, piston and the inboard sliding connection of cylinder, depression bar one end bonds with the piston bottom to the depression bar is kept away from piston one end and is connected with the perpendicular fixed connection of pressure button top along vertical direction, depression bar middle part downside is provided with the scale interval, the cylinder top is installed negative pressure switch mechanism, negative pressure switch mechanism includes protecting frame, connecting hole, axis of rotation, knob, rotary block, rotary valve and luer joint, the inside lower extreme of protecting frame is provided with the connecting hole, the cylinder imbeds inside the connecting hole to the cylinder bonds with the inside wall of connecting hole, the connecting hole is pin-jointed with the protecting frame middle part, and the connecting hole runs through in the protecting frame right-hand member, the rotary rod is vertically and seamlessly bonded with the middle of the left end of the knob along the horizontal direction, the knob is fixedly connected with the upper end of the rotary block, the rotary valve is arranged at the upper end of the rotary shaft, and the luer connector is vertically in threaded connection with the inner side wall of the upper end of the protection frame along the vertical direction.

Furthermore, luer connector includes fixed pipe, connecting pipe, threaded rod and internal thread, the perpendicular threaded connection of vertical direction is followed with the inside wall of bearer bar upper end to the threaded rod link up with the inside mutually of bearer bar upper end, the threaded rod bonds with fixed bottom of the tube mutually, the connecting pipe is located fixed intraductal side middle part in top to connecting pipe and fixed pipe structure as an organic whole, and connecting pipe and threaded rod middle part link up mutually, fixed inside of the tubes wall is provided with the internal thread.

Further, fixed pipe upper end is provided with bar antiskid line to antiskid line is along fixed intraductal surface evenly distributed.

Furthermore, the rotary blocks are provided with two rotary blocks, and the rotary blocks are symmetrically distributed along the upper side and the lower side of the right end of the knob.

Furthermore, the rotary valve is cylindrical, and a circular through hole is formed in the middle of the rotary valve.

Furthermore, the diameter of the circular through hole is equal to the diameter of the inner side of the threaded rod and the diameter of the inner side of the connecting hole.

Furthermore, the front end of the needle cylinder is provided with scale numerical values, and the scale numerical values are uniformly distributed along the vertical direction of the front end of the needle cylinder.

Furthermore, the knob is made of high-molecular polyethylene and has excellent corrosion resistance.

Furthermore, the connecting pipe is made of PP materials and has excellent high-temperature resistance.

(III) advantageous effects

Compared with the prior art, the utility model, following beneficial effect has:

1) the utility model discloses a negative pressure suction apparatus, including cylinder, pull rod, power-driven aspirator or strong suction inconvenient patient activity, even restrict the problem of patient's activity, through scale interval and negative pressure switch mechanism have been set up on the cylinder, when the depression bar in the pulling in-process, scale interval through the pull rod upper end can conveniently observe and adjust the pressure size, and through being provided with luer joint, can conveniently connect the pipe, make convenient to use swift, drive the piston through the depression bar, thereby make the inside negative pressure that forms of cylinder, thereby the volume of negative pressure aspirator structure has been reduced, the original mode of using ordinary negative pressure ball has been changed, make this structure conveniently carry and to the advantage of pressure size quick adjustment.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic side view of the syringe of the present invention;

FIG. 3 is a schematic side view of the compression bar of the present invention;

FIG. 4 is a schematic side view of the negative pressure switch mechanism of the present invention;

fig. 5 is a schematic side view of the luer fitting of the present invention;

fig. 6 is a schematic sectional view of the luer connector of the present invention.

In the figure: the device comprises a needle cylinder-1, a connecting plate-2, a pressure lever-3, a pressure button-4, a scale value-5, a piston-6, a negative pressure switch mechanism-7, a protective frame-71, a connecting hole-72, a rotating shaft-73, a knob-74, a rotary block-75, a rotary valve-76, a luer connector-77, a fixed pipe-771, a connecting pipe-772, a threaded rod-773 and an internal thread-774.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, the present invention provides a manual vacuum extractor structure: the needle cylinder comprises a needle cylinder 1, a connecting plate 2, a pressure lever 3, a pressure button 4, a scale interval 5, a piston 6 and a negative pressure switch mechanism 7, wherein the needle cylinder 1 is vertically and seamlessly adhered to the top end wall of the connecting plate 2 along the vertical direction, the piston 6 is slidably connected with the inner side of the needle cylinder 1, one end of the pressure lever 3 is adhered to the bottom of the piston 6, one end of the pressure lever 3, far away from the piston 6, is vertically and fixedly connected with the top of the pressure button 4 along the vertical direction, the scale interval 5 is arranged on the lower side of the middle part of the pressure lever 3, the negative pressure switch mechanism 7 is installed on the top of the needle cylinder 1 and comprises a protective frame 71, a connecting hole 72, a rotating shaft 73, a knob 74, a rotating block 75, a rotating valve 76 and a luer connector 77, the connecting hole 72 is arranged at the lower end inside the protective frame 71, the needle cylinder 1 is embedded, the rotating rod 73 is vertically and seamlessly bonded with the middle part of the left end of the knob 74 along the horizontal direction, the knob 74 is fixedly connected with the upper end of the rotating block 75, the upper end of the rotating shaft 73 is provided with a rotary valve 76, and the luer connector 77 is vertically and threadedly connected with the inner side wall of the upper end of the protection frame 71 along the vertical direction.

Wherein, luer 77 includes fixed pipe 771, connecting pipe 772, threaded rod 773 and internal thread 774, the perpendicular threaded connection of threaded rod 773 and fender frame 71 upper end inside wall along vertical direction to threaded rod 773 link up with fender frame 71 upper end is inside mutually, threaded rod 773 bonds with fixed pipe 771 bottom, connecting pipe 772 is located fixed pipe 771 top inboard middle part, and connecting pipe 772 and fixed pipe 771 be the integrated structure, and connecting pipe 772 and threaded rod 773 middle part link up mutually, fixed pipe 771 inside wall is provided with internal thread 774, does benefit to and plays the effect of being connected with external guide pipe.

Wherein, fixed pipe 771 upper end is provided with bar antiskid line to antiskid line is along fixed pipe 771 surface evenly distributed, does benefit to and plays the effect of carrying on antiskid.

Wherein, revolve piece 75 and be provided with two altogether to revolve piece 75 and be the symmetrical form along knob 74 right-hand member upper and lower both sides and distribute, do benefit to and play the effect of rotating knob 74.

The rotary valve 76 is cylindrical, and a circular through hole is formed in the middle of the rotary valve 76, so that the function of conducting gas is facilitated.

The diameter of the circular through hole is equal to the diameter of the inner side of the threaded rod 773 and the diameter of the connecting hole 72, so that the conduction function is facilitated.

Wherein, 1 front end of cylinder is provided with scale numerical value to scale numerical value is along 1 vertical direction evenly distributed of front end of cylinder, does benefit to the effect that makes things convenient for medical personnel to observe.

Wherein, the knob 74 is made of high molecular polyethylene material and has excellent corrosion resistance.

The connecting tube 772 is made of PP and has excellent high temperature resistance.

The working principle is as follows: before use, firstly, disinfecting and drying all parts on the structure of the negative pressure suction apparatus; when the external catheter is used, in the first step, the threaded rod 773 rotates clockwise to enter the inside of the protective frame 71 to connect the fixed tube 771 with the connecting tube 772, then the fixed head at the upper end of the external catheter is screwed into the inner side of the top of the fixed tube 771 to perform threaded transmission with the internal thread 774 on the inner side of the top of the fixed tube 771, and therefore the external catheter is rapidly connected; secondly, holding the rotary block 75 at the upper end of the knob 74 by hand, and then clockwise rotating the rotary block 75 to enable the rotary block 75 to drive the rotary shaft 73 to rotate through the knob 74, so that the rotary shaft 73 drives the rotary valve 76 to rotate, and the circular through hole at the upper end of the rotary valve 76 is vertically communicated with the connecting hole 72 and the luer connector 77; the third step, hold the pressure button 4 with the hand, then stimulate the pressure button 4, make the pressure button 4 drive the piston 6 through the depression bar 3 and slide in the 1 inboard of cylinder, thereby make the inside negative pressure that forms of cylinder 1, thereby accomplish "attraction" effect, and when the depression bar 3 is in the pulling in-process, can conveniently observe and adjust the pressure size through the scale interval 5 of the upper end of pull rod 3, the original mode of using ordinary negative pressure ball has been changed, make this structure conveniently carry and to pressure size quick adjustment, and can adjust at any time during the vacuum aspiration ware structure uses, observe pressure at any time.

The basic principle and the main characteristics of the utility model and the advantages of the utility model have been shown and described above, and the utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the record of the description with the drawing, and the concrete connection mode of each part all adopts conventional means such as ripe bolt rivet among the prior art, welding, and machinery, part and equipment all adopt prior art, conventional model, and conventional connection mode in the prior art is adopted in addition to circuit connection, and the details are not repeated here.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (7)

1. A manual negative pressure aspirator structure comprises a needle cylinder (1), a connecting plate (2), a pressure lever (3), a pressure button (4), a scale value (5) and a piston (6), wherein the needle cylinder (1) and the top end wall of the connecting plate (2) are vertically and seamlessly bonded, the piston (6) is in sliding connection with the inner side of the needle cylinder (1), one end of the pressure lever (3) is bonded with the bottom of the piston (6), one end of the pressure lever (3), far away from the piston (6), is vertically and fixedly connected with the top of the pressure button (4) in the vertical direction, the scale value (5) is arranged on the lower side of the middle of the pressure lever (3), and a negative pressure switch mechanism (7) is installed on the top of the needle cylinder (1);

the method is characterized in that: the device also comprises a negative pressure switch mechanism (7), wherein the negative pressure switch mechanism (7) comprises a protective frame (71), a connecting hole (72), a rotating shaft (73), a knob (74), a rotary block (75), a rotary valve (76) and a luer connector (77), the lower end of the inner part of the protective frame (71) is provided with a connecting hole (72), the needle cylinder (1) is embedded into the connecting hole (72), the needle cylinder (1) is adhered to the inner side wall of the connecting hole (72), the connecting hole (72) is pivoted with the middle part of the protective frame (71), the connecting hole (72) penetrates through the right end of the protective frame (71), the rotating shaft (73) is vertically and seamlessly bonded with the middle part of the left end of the knob (74) along the horizontal direction, the knob (74) is fixedly connected with the upper end of the rotary block (75), the upper end of the rotary shaft (73) is provided with a rotary valve (76), the luer connector (77) is vertically in threaded connection with the inner side wall of the upper end of the protection frame (71) along the vertical direction.

2. A manual vacuum extractor structure according to claim 1, wherein: luer connects (77) including fixed pipe (771), connecting pipe (772), threaded rod (773) and internal thread (774), threaded rod (773) and fender frame (71) upper end inside wall are along vertical direction perpendicular threaded connection to threaded rod (773) link up with fender frame (71) upper end is inside mutually, threaded rod (773) bond with fixed pipe (771) bottom, connecting pipe (772) are located fixed pipe (771) top inboard middle part, and connecting pipe (772) and fixed pipe (771) be the integral structure, and connecting pipe (772) link up with threaded rod (773) middle part mutually, fixed pipe (771) inside wall is provided with internal thread (774).

3. A manual vacuum extractor structure according to claim 2, wherein: the upper end of the fixed tube (771) is provided with strip-shaped anti-slip patterns which are uniformly distributed along the outer surface of the fixed tube (771).

4. A manual vacuum extractor structure according to claim 1, wherein: the rotary blocks (75) are arranged in two, and the rotary blocks (75) are symmetrically distributed along the upper side and the lower side of the right end of the knob (74).

5. A manual vacuum extractor structure according to claim 1, wherein: the rotary valve (76) is cylindrical, and a circular through hole is formed in the middle of the rotary valve (76).

6. The manual vacuum extractor structure of claim 5, wherein: the diameter of the circular through hole is equal to the inner diameter of the threaded rod (773) and the inner diameter of the connecting hole (72).

7. A manual vacuum extractor structure according to claim 1, wherein: the needle cylinder is characterized in that scale numerical values are arranged at the front end of the needle cylinder (1) and are uniformly distributed along the vertical direction of the front end of the needle cylinder (1).

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