CN210159012U

CN210159012U - Transfusion rod

Info

Publication number: CN210159012U
Application number: CN201920735704.1U
Authority: CN
Inventors: 周静
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-21
Filing date: 2019-05-21
Publication date: 2020-03-20
Anticipated expiration: 2029-05-21

Abstract

The utility model discloses a transfusion rod, which comprises an outer sleeve positioned at the lower part, wherein a telescopic component is arranged in the outer sleeve; the telescopic assembly comprises an air cylinder arranged in the outer sleeve, the air cylinder comprises a cylinder body and a piston rod, the cylinder body is sleeved in the outer sleeve in a sliding fit mode, the lower end of the piston rod extends downwards to extend out of the cylinder body and is positioned in the outer sleeve, and a limiting plug for limiting the piston rod is fixedly arranged at the bottom of the outer sleeve; a communicating bypass is arranged between the rod cavity and the rodless cavity of the cylinder body, and a switch for controlling the opening and closing of the communicating bypass is arranged on the cylinder body; the bottom end of the piston rod is provided with a connecting seat, mounting grooves are annularly and uniformly distributed on the peripheral wall of the connecting seat, supporting legs hinged with the mounting grooves are arranged in the mounting grooves, and the top surfaces of the mounting grooves form limiting surfaces for limiting the maximum opening angles of the supporting legs; the bottom of outer tube and supporting leg one-to-one are equipped with the groove of stepping down, and the top of cylinder body is equipped with the couple that is used for hanging infusion bottle or infusion bag.

Description

Transfusion rod

Technical Field

The utility model belongs to the technical field of infusion apparatus, in particular to an infusion rod.

Background

Intravenous infusion is a method of infusing a large amount of sterile liquid, electrolyte and medicine into the body from veins by utilizing the principles of atmospheric pressure and hydrostatic pressure. The injection site and the transfusion are different, and the injection can be classified into peripheral venous transfusion, central venous transfusion, high nutrient Transfusion (TPN), blood transfusion and the like. Intravenous infusion therapy is a highly specialized technique, and the therapeutic aspects include parenteral infusion, nutritional support, medication, and infusion therapy.

In the infusion process, sterile liquid, electrolyte, medicine and the like to be infused are usually packaged in a glass or plastic infusion bottle or bag, and the infusion bottle or bag is hung at a high position and often needs to be carried out by a matched infusion rod.

The existing transfusion rod can meet the use requirement of hanging a transfusion bottle or bag during intravenous transfusion, but has the defect of inconvenient carrying. Chinese patent with publication number CN205698695U discloses a portable type infusion rod that stretches out and draws back, include sleeve pipe, telescopic link, deposit the pole groove, infuse the pole, rotation axis, couple pivot, screw up the knob, fixed clamping piece, regulation clamping piece, bolt and bolt cap, the sleeve pipe upside is equipped with the telescopic link, the telescopic link upside is equipped with deposits the pole groove, the telescopic link left side is equipped with infuse the pole, the telescopic link passes through the rotation axis with infuse the pole and is connected, infuse the pole left side is equipped with the couple, infuse the pole is connected by the couple pivot with the couple, the telescopic link right side is equipped with screws up the pivot, it is equipped with screws up the knob to screw up the pivot right side, the sleeve pipe downside is equipped with fixed clamping piece, fixed clamping piece upside is equipped with the regulation clamping piece, it. Although the transfusion rod has the advantage of convenient carrying, the bottom of the transfusion rod adopts a fixing mode of the fixing clamping piece, and the transfusion rod is inconvenient to use.

Disclosure of Invention

In view of this, the present invention provides an infusion rod, which has the advantages of being retractable, portable and convenient to use.

In order to achieve the above purpose, the utility model provides a following technical scheme:

an infusion rod comprises an outer sleeve positioned at the lower part, wherein a telescopic assembly is arranged in the outer sleeve;

the telescopic assembly comprises an air cylinder arranged in the outer sleeve, the air cylinder comprises a cylinder body and a piston rod, the cylinder body is sleeved in the outer sleeve in a sliding fit mode, the lower end of the piston rod extends downwards to extend out of the cylinder body and is positioned in the outer sleeve, and a limiting plug for limiting the piston rod is fixedly arranged at the bottom of the outer sleeve; a communicating bypass is arranged between the rod cavity and the rodless cavity of the cylinder body, and a switch for controlling the opening and closing of the communicating bypass is arranged on the cylinder body;

the bottom end of the piston rod is provided with a connecting seat, mounting grooves are annularly and uniformly distributed on the peripheral wall of the connecting seat, supporting legs hinged with the mounting grooves are arranged in the mounting grooves, and the top surfaces of the mounting grooves form limiting surfaces for limiting the maximum opening angles of the supporting legs;

the bottom of outer tube with the supporting leg one-to-one is equipped with the groove of stepping down, the top of cylinder body is equipped with the couple that is used for hanging infusion bottle or infusion bag.

Furthermore, a limiting structure for preventing the cylinder body from being drawn out of the outer sleeve is arranged between the cylinder body and the outer sleeve.

Furthermore, limit structure is including setting up the spacing inner ring of outer tube top and radial inward extension, be equipped with the spacing outer loop of radial outward extension on the periphery wall of cylinder body, spacing cooperation between spacing inner ring and the spacing outer loop.

Further, the installation is equipped with the pivot in the mounting groove, the supporting leg is rotatory the cooperation install corresponding in the pivot, the pivot with correspond the plane at the axis place of supporting leg is perpendicular.

Further, when all the supporting legs are closed, the top surface of the abdicating groove is matched with the corresponding supporting legs in a limiting way.

Furthermore, rollers are arranged below the supporting legs.

Furthermore, a brake is arranged on the roller.

Furthermore, the center of the limiting plug is provided with a guide surface, the outer diameter of which gradually increases from top to bottom and is matched with the roller in a rolling manner.

Further, the top surface of cylinder body is equipped with the connector, detachably installs on the connector and is equipped with the couple dish, the annular equipartition all around of couple dish is equipped with the couple.

The beneficial effects of the utility model reside in that:

the transfusion rod of the utility model is characterized in that the telescopic component is arranged in the outer sleeve, and the cylinder is used for replacing the traditional telescopic rod, and the cylinder is filled with gas with certain air pressure; when the telescopic rod extends, the switch is turned on, the air pressure in the rod cavity and the air pressure in the rodless cavity are equal, and the stress area of the rod cavity is smaller than that of the rodless cavity, so that the piston rod can be driven to extend out; when the lower end of the piston rod is in limit fit with the limit plug, the cylinder body is driven to extend out of the top of the outer sleeve, namely the infusion rod extends; the piston rod extends downwards first, so that the supporting legs can be driven to be opened, and the technical purpose of supporting the infusion rod is achieved; when the infusion rod extends to a proper length, the switch is closed; when the telescopic support leg is retracted, the switch is turned on, the cylinder body is manually driven to retract into the outer sleeve, when the cylinder body retracts to a set position, the switch is turned off, then the cylinder body is lifted upwards, the piston rod is driven to move upwards relative to the outer sleeve, and the support leg is retracted into the outer sleeve; to sum up, the transfusion rod of the utility model has the advantages of extension and portability, and is supported by the supporting legs, and is convenient to use.

Drawings

In order to make the purpose, technical scheme and beneficial effect of the utility model clearer, the utility model provides a following figure explains:

FIG. 1 is a schematic structural view of an embodiment of the transfusion rod of the present invention, specifically a view showing a usage state during extension;

FIG. 2 is a schematic view of the shortened transfusion rod of the present embodiment;

FIG. 3 is detail A of FIG. 1;

FIG. 4 is detail B of FIG. 1;

fig. 5 is detail C of fig. 1.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.

As shown in FIG. 1, it is a schematic structural view of an embodiment of the transfusion rod of the present invention. The transfusion rod of the embodiment comprises an outer sleeve 1 positioned at the lower part, and a telescopic assembly is arranged in the outer sleeve 1.

The telescopic assembly comprises an air cylinder arranged in an outer sleeve 1, the air cylinder comprises a cylinder body 2 and a piston rod 3, the cylinder body 2 is sleeved in the outer sleeve 1 in a sliding fit manner, the lower end of the piston rod 3 extends downwards to extend out of the cylinder body 2 and is positioned in the outer sleeve 1, and a limiting plug 4 for limiting the piston rod 3 is fixedly arranged at the bottom of the outer sleeve 1; a communicating bypass 5 is arranged between the rod cavity and the rodless cavity of the cylinder body 2, and a switch 6 for controlling the opening and closing of the communicating bypass 5 is arranged on the cylinder body 2. When the transfusion rod of the embodiment is contracted to the shortest state, the upper part of the cylinder body 2 is exposed out of the outer sleeve 1 so as to be convenient for arranging the switch 6.

The bottom of the piston rod 3 of this embodiment is equipped with connecting seat 7, and mounting groove 8 has all been laid to the annular on the periphery wall of connecting seat 7, is equipped with in the mounting groove 8 rather than articulated supporting leg 9 of being connected, and the top surface of mounting groove 8 forms the spacing face 8a that is used for injecing the biggest opening angle of supporting leg 9. Therefore, when the supporting legs 9 are opened to the maximum position, the supporting legs are limited by the limiting surfaces 8a, and the supporting legs 9 can be kept at the maximum opening position by utilizing the gravity action of the infusion rod and the suspended infusion bottle or infusion bag, so that the effect of stable support is achieved.

The bottom of the outer sleeve 1 is provided with a abdicating groove 10 corresponding to the supporting leg 9 one by one, so as to prevent the interference with the supporting leg 9 in the opening and closing process. The top of the cylinder body 2 is provided with a hook 11 for hanging an infusion bottle or an infusion bag.

Furthermore, a limit structure for preventing the cylinder body 2 from being drawn out from the outer sleeve 1 is arranged between the cylinder body 2 and the outer sleeve 1. The limiting structure of this embodiment includes the limiting inner ring 12 that sets up at outer sleeve 1 top and radially inwards extend, is equipped with the limiting outer ring 13 of radially outwards extending on the periphery wall of cylinder body 2, and the external diameter of limiting outer ring 13 is greater than the internal diameter of limiting inner ring 12, and spacing cooperation between limiting inner ring 12 and the limiting outer ring 13.

Furthermore, the installation is equipped with the pivot in the mounting groove 8, and supporting leg 9 is rotatory to be installed in the pivot that corresponds in the cooperation, and the pivot is perpendicular with the plane that the axis of the supporting leg 9 that corresponds is located. When all the supporting legs 9 are closed, the top surfaces of the abdicating grooves 10 are in limit fit with the corresponding supporting legs 9, so that when the piston rod 3 moves upwards relative to the outer sleeve, the top surfaces of the abdicating grooves 10 can drive the supporting legs 9 to be closed.

Furthermore, a roller 14 is arranged below the supporting leg 9, and a brake is arranged on the roller 14. And the center of the limiting choke plug 4 is provided with a guide surface 15, the outer diameter of which gradually increases from top to bottom and is in rolling fit with the roller 14, and the guide surface 15 can drive the supporting legs 9 to be opened in the opening process of the supporting legs 9.

Further, the top surface of the cylinder body 2 is provided with a connector 16, a hook plate 17 is detachably arranged on the connector 16, and hooks 11 are annularly and uniformly distributed around the hook plate 17.

According to the transfusion rod, the telescopic assembly is arranged in the outer sleeve, the traditional telescopic rod is replaced by the air cylinder, and air with certain air pressure is filled in the air cylinder; when the telescopic rod extends, the switch is turned on, the air pressure in the rod cavity and the air pressure in the rodless cavity are equal, and the stress area of the rod cavity is smaller than that of the rodless cavity, so that the piston rod can be driven to extend out; when the lower end of the piston rod is in limit fit with the limit plug, the cylinder body is driven to extend out of the top of the outer sleeve, namely the infusion rod extends; the piston rod extends downwards first, so that the supporting legs can be driven to be opened, and the technical purpose of supporting the infusion rod is achieved; when the infusion rod extends to a proper length, the switch is closed; when the telescopic support leg is retracted, the switch is turned on, the cylinder body is manually driven to retract into the outer sleeve, when the cylinder body retracts to a set position, the switch is turned off, then the cylinder body is lifted upwards, the piston rod is driven to move upwards relative to the outer sleeve, and the support leg is retracted into the outer sleeve; in conclusion, the transfusion rod of the embodiment has the advantages of being telescopic and convenient to carry, and is supported by the supporting legs, so that the transfusion rod is convenient to use.

The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.

Claims

1. An infusion rod, which is characterized in that: comprises an outer sleeve (1) positioned at the lower part, wherein a telescopic component is arranged in the outer sleeve (1);

the telescopic assembly comprises an air cylinder arranged in the outer sleeve (1), the air cylinder comprises a cylinder body (2) and a piston rod (3), the cylinder body (2) is sleeved in the outer sleeve (1) in a sliding fit mode, the lower end of the piston rod (3) extends downwards to extend out of the cylinder body (2) and is positioned in the outer sleeve (1), and a limiting plug (4) used for limiting the piston rod (3) is fixedly arranged at the bottom of the outer sleeve (1); a communicating bypass (5) is arranged between the rod cavity and the rodless cavity of the cylinder body (2), and a switch (6) for controlling the opening and closing of the communicating bypass (5) is arranged on the cylinder body (2);

a connecting seat (7) is arranged at the bottom end of the piston rod (3), mounting grooves (8) are annularly and uniformly distributed on the peripheral wall of the connecting seat (7), supporting legs (9) hinged with the mounting grooves (8) are arranged in the mounting grooves (8), and a limiting surface (8a) used for limiting the maximum opening angle of the supporting legs (9) is formed on the top surface of each mounting groove (8);

the bottom of the outer sleeve (1) and the supporting legs (9) are provided with abdicating grooves (10) in a one-to-one correspondence manner, and the top of the cylinder body (2) is provided with a hook (11) for hanging an infusion bottle or an infusion bag.

2. The infusate wand of claim 1, wherein: a limiting structure for preventing the cylinder body (2) from being drawn out from the outer sleeve (1) is arranged between the cylinder body (2) and the outer sleeve (1).

3. The infusate wand of claim 2, wherein: the limiting structure comprises a limiting inner ring (12) which is arranged at the top of the outer sleeve (1) and extends radially inwards, a limiting outer ring (13) which extends radially outwards is arranged on the outer peripheral wall of the cylinder body (2), and the limiting inner ring (12) is in limiting fit with the limiting outer ring (13).

4. The infusate wand of claim 1, wherein: the installation is equipped with the pivot in mounting groove (8), supporting leg (9) normal running fit is installed correspondingly in the pivot, the pivot with correspond the plane at the axis place of supporting leg (9) is perpendicular.

5. The infusate wand of claim 1, wherein: when all the supporting legs (9) are closed, the top surfaces of the abdicating grooves (10) are in limit fit with the corresponding supporting legs (9).

6. The infusate wand of claim 1, wherein: and rollers (14) are arranged below the supporting legs (9).

7. The infusate wand of claim 6, wherein: and a brake is arranged on the roller (14).

8. The infusate wand of claim 6, wherein: the center of the limiting plug (4) is provided with a guide surface (15) with the outer diameter gradually increasing from top to bottom and matched with the roller (14) in a rolling way.

9. The infusate pole as claimed in any one of claims 1-8, wherein: the top surface of cylinder body (2) is equipped with connector (16), detachably installs on connector (16) and is equipped with couple dish (17), the annular equipartition all around of couple dish (17) is equipped with couple (11).