CN214343428U

CN214343428U - Pneumatic automatic push-pull device of needle cylinder

Info

Publication number: CN214343428U
Application number: CN202022309516.8U
Authority: CN
Inventors: 陈大为
Original assignee: Shandong Hongze Biotechnology Co ltd
Current assignee: Shandong Hongze Biotechnology Co ltd
Priority date: 2020-10-16
Filing date: 2020-10-16
Publication date: 2021-10-08
Anticipated expiration: 2030-10-16

Abstract

The utility model relates to an automatic push-and-pull device of vapour-pressure type of cylinder, including support, cylinder inner tube, sealed section of thick bamboo and gas-supply pipe, the top of support is provided with the motor, and the below of motor is connected with the lead screw to the slider has been cup jointed to the outside of lead screw, the outside of slider is provided with the telescopic link, and the below of telescopic link installs and promotes the piece to the telescopic link is located the slider and promotes between the piece, the outside that promotes the piece is provided with the brush, and promotes the below of piece and be provided with the catch bar, and the below of catch bar is provided with the piston to the catch bar is located the piston and promotes between the piece, the cylinder inner tube is located the below of lead screw, and the piston is located the inside of cylinder inner tube. The utility model discloses a can make things convenient for the negative pressure atmospheric pressure of pneumatic pump in with the pneumatic cylinder to pass through the gas-supply pipe and carry to the cylinder inner tube in, conveniently make the atmospheric pressure in the cylinder inner tube keep stable balance, be favorable to preventing the injection that the medicine caused when being extracted by the syringe needle.

Description

Pneumatic automatic push-pull device of needle cylinder

Technical Field

The utility model relates to a cylinder technical field specifically is an automatic push-and-pull device of vapour-pressure type of cylinder.

Background

Intravenous infusion is the most important and common treatment means for patients in emergency and hospitalization in hospitals in China, before clinical nurses of hospitals infuse patients, clinicians need to mix, dispense and add medicines to each group of medicines in specific prescriptions prescribed by patients, the medicines in a dissolved powder bottle and liquid medicines in an injection bottle are injected into a saline bottle and then dissolved, the medicines are pushed back into a needle cylinder by air pressure in the medicine bottle, and the needle cylinder is one of the most common tools for injection and extraction.

In current cylinder, generally dispense the infusion through the manual work, lead to concentrating by the manual work in airtight environment and prepare, it is low to prepare the liquid security, and because of joining in marriage liquid quantity huge, the medicine ratio requires accurately, and work of a large amount of repeatability increases working strength, leads to the personnel of dispensing to be in short supply, and artificial work operation leads to dispensing the management disappearance and causes the mistake of offeing medicine, and the dose is inaccurate, reduces the transport efficiency that dispenses.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic push-and-pull device of vapour-pressure type of cylinder to solve above-mentioned background art and propose in current cylinder, generally dispense the infusion through the manual work, lead to concentrating by the manual work in inclosed environment and prepare, it is low to join in marriage the liquid security, and it is huge because of joining in marriage liquid quantity, the medicine ratio requires accurately, the work of a large amount of repeatability increases working strength, lead to dispensing personnel and lack in short supply, and artificial work operation leads to dispensing management disappearance and causes the mistake of offeing medicine, the dose is inaccurate, reduce the problem of the transport efficiency that dispenses.

In order to achieve the above object, the utility model provides a following technical scheme: an air pressure type automatic push-pull device of a needle cylinder comprises a support, a needle cylinder inner cylinder, a sealing cylinder and a gas pipe, wherein a motor is arranged above the support, a lead screw is connected below the motor, a sliding block is sleeved outside the lead screw, a telescopic rod is arranged outside the sliding block, a pushing block is arranged below the telescopic rod, the telescopic rod is positioned between the sliding block and the pushing block, a hairbrush is arranged outside the pushing block, a pushing rod is arranged below the pushing block, a piston is arranged below the pushing rod and positioned between the piston and the pushing block, the needle cylinder inner cylinder is positioned below the lead screw and positioned inside the needle cylinder inner cylinder, the telescopic rod penetrates through the needle cylinder inner cylinder and is connected with the pushing block, a needle head is arranged below the needle cylinder inner cylinder, the sealing cylinder is connected below the sealing cylinder and is positioned inside the sealing cylinder, and the sealing cylinder is positioned in the support, the gas transmission pipe is connected to the outer part of the inner cylinder of the needle cylinder, the outer part of the gas transmission pipe is provided with a pneumatic cylinder, the pneumatic cylinder is positioned at the rear part of the inner cylinder of the needle cylinder, a pneumatic pump is arranged above the pneumatic cylinder, and the pneumatic pump is arranged above the support.

Preferably, the screw rod forms a rotating structure with the support through a motor, and the screw rod is in threaded connection with the sliding block.

Preferably, the sliding block, the telescopic rod and the pushing block are arranged in a linkage structure, and the pushing block and the needle cylinder inner cylinder form a sliding structure.

Preferably, the pushing block is arranged in a circular structure, the pushing block and the brush are arranged in an integrated structure, and the brush is attached to the inner cylinder of the needle cylinder.

Preferably, the push rod, the piston and the push block are arranged in a linkage structure, and the piston and the inner cylinder of the syringe form a sliding structure.

Preferably, the pneumatic cylinder is connected with the inner cylinder of the needle cylinder in a hot melting mode, and the pneumatic cylinder is connected with the inner cylinder of the needle cylinder in a welding mode through a support.

Compared with the prior art, the beneficial effects of the utility model are that: an air pressure type automatic push-pull device of a needle cylinder;

(1) the negative pressure air pressure in the air pressure cylinder can be conveniently conveyed to the inner cylinder of the needle cylinder by the air pressure pump through the air conveying pipe, so that the air pressure in the inner cylinder of the needle cylinder is conveniently kept stable and balanced, and the injection of the medicine when being pulled out by the needle head is favorably prevented.

(2) Through the convenient operation that reduces the cost of labor of automatic plug-type cylinder inner tube, alleviate personnel's the shortage of dispensing, improve the transport efficiency that dispenses, and carry out further clearance to the remaining medicine of cylinder inner tube inside wall through the brush.

Drawings

FIG. 1 is a schematic side view of the internal structure of the present invention;

FIG. 2 is a schematic view of the front internal structure of the present invention;

FIG. 3 is a schematic top view of the brush and the pushing block of the present invention;

fig. 4 is an enlarged schematic structural view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a support; 2. a motor; 3. a screw rod; 4. a slider; 5. a telescopic rod; 6. a pushing block; 7. A brush; 8. a push rod; 9. a piston; 10. an inner cylinder of the syringe; 11. a needle head; 12. a sealing cylinder; 13. a gas delivery pipe; 14. a pneumatic cylinder; 15. a pneumatic pump.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an air pressure type automatic push-pull device of a needle cylinder comprises a support 1, a needle cylinder inner cylinder 10, a sealing cylinder 12 and a gas transmission pipe 13, wherein a motor 2 is arranged above the support 1, a lead screw 3 is connected below the motor 2, a sliding block 4 is sleeved outside the lead screw 3, a telescopic rod 5 is arranged outside the sliding block 4, a pushing block 6 is arranged below the telescopic rod 5, the telescopic rod 5 is positioned between the sliding block 4 and the pushing block 6, a hairbrush 7 is arranged outside the pushing block 6, a pushing rod 8 is arranged below the pushing block 6, a piston 9 is arranged below the pushing rod 8, the pushing rod 8 is positioned between the piston 9 and the pushing block 6, the needle cylinder inner cylinder 10 is positioned below the lead screw 3, the piston 9 is positioned inside the needle cylinder inner cylinder 10, the telescopic rod 5 penetrates through the needle cylinder inner cylinder 10 and is connected with the pushing block 6, and a needle 11 is arranged below the needle cylinder inner cylinder 10, the lower part of the sealing barrel 12 is connected with a barrel inner barrel 10, the screw rod is 3 positions in the sealing barrel 12, the sealing barrel 12 is located in the support 1, the air conveying pipe 13 is connected to the outer part of the barrel inner barrel 10, the air cylinder 14 is arranged outside the air conveying pipe 13, the air cylinder 14 is located behind the barrel inner barrel 10, the air pressure pump 15 is arranged above the air cylinder 14, and the air pressure pump 15 is installed above the support 1.

The screw rod 3 and the support 1 form a rotating structure through the motor 2, the screw rod 3 is in threaded connection with the sliding block 4, and the rotation of the screw rod 3 enables the sliding block 4 in threaded connection to move on the screw rod 3 conveniently.

Slider 4, telescopic link 5 and promotion piece 6 set up for linkage, and promote piece 6 and constitute sliding construction with cylinder inner tube 10, thereby slider 4 reciprocate convenient messenger telescopic link 5 along with reciprocating.

Promote piece 6 and be the setting of circular structure, and promote piece 6 and brush 7 structure setting as an organic whole to brush 7 is connected with the laminating of cylinder inner tube 10, promotes reciprocating of piece 6 and conveniently drives outside brush 7 and further clears up to the remaining medicine of cylinder inner tube 10 inside wall.

The push rod 8, the piston 9 and the push block 6 are arranged in a linkage structure, the piston 9 and the needle cylinder inner cylinder 10 form a sliding structure, and the push rod 8 can move up and down to conveniently drive the connected piston 9 to move up and down.

The pneumatic cylinder 14 is connected with the cylinder inner cylinder 10 in a hot melting mode, the pneumatic cylinder 14 is connected with the support 1 in a welding mode, negative pressure air pressure in the pneumatic cylinder 14 is conveyed into the cylinder inner cylinder 10 through the air conveying pipe 13 by the pneumatic pump 15 after the pneumatic pump 15 is started, air pressure in the cylinder inner cylinder 10 is kept stable and balanced conveniently, and ejection of medicines caused when the medicine is pulled out of the needle 11 is prevented.

The working principle is as follows: firstly, as shown in fig. 1-4, a power supply is switched on, a starting motor 2 drives a conveying shaft to rotate, so as to drive a screw rod 3 to rotate, a sliding block 4 in threaded connection moves on the screw rod 3 due to the rotation of the screw rod 3, the sliding block 4 moves up and down, so that a telescopic rod 5 moves up and down, because the needle cylinder inner cylinder 10 is arranged in a sealing cylinder 12, when the telescopic rod 5 is pulled in the needle cylinder inner cylinder 10, the sealing performance in the needle cylinder inner cylinder 10 is favorably kept, a pushing block 6 below the telescopic rod 5 is pulled to slide in the needle cylinder inner cylinder 10 due to the up-and-down movement of the telescopic rod 5, so as to conveniently enable the pushing block 6 to move up and down, the external hairbrush 7 is conveniently driven by the up-and-down movement of the pushing block 6 to further clean the medicine remained on the inner side wall of the needle cylinder inner cylinder 10, so that the pushing block 6 drives a pushing rod 8 to move up and down, and the pushing rod 8 moves up and down to drive a connected piston 9 to move up and down, when the piston 9 is pulled upwards, the air pressure in the inner cylinder 10 of the syringe is negative pressure, so that the medicine is sucked through the needle 11, when the needle 11 is pulled out, the air pressure in the inner cylinder 10 of the syringe can be filled into the syringe to generate positive pressure, so that the medicine is splashed, by starting the pneumatic pump 15, the pneumatic pump 15 transmits the negative pressure air pressure in the pneumatic cylinder 14 to the inner cylinder 10 of the syringe through the air transmission pipe 13, so that the air pressure in the inner cylinder 10 of the syringe is kept stable and balanced conveniently, the injection of the medicine when being pulled out by the needle 11 is prevented, meanwhile, the automatic push-pull type needle cylinder inner cylinder 10 is convenient for reducing the operation of labor cost, relieving the shortage of dispensing personnel, improving the dispensing and conveying efficiency, the pneumatic automatic pushing and pulling device of the syringe is used for people, which is the using process of the pneumatic automatic pushing and pulling device of the syringe, and the content which is not described in detail in the specification belongs to the prior art which is known by a person skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides an automatic push-and-pull device of vapour-pressure type of cylinder, includes support (1), cylinder inner tube (10), a sealed section of thick bamboo (12) and gas-supply pipe (13), its characterized in that: the device is characterized in that a motor (2) is arranged above the support (1), a lead screw (3) is connected below the motor (2), a sliding block (4) is sleeved outside the lead screw (3), a telescopic rod (5) is arranged outside the sliding block (4), a pushing block (6) is arranged below the telescopic rod (5), the telescopic rod (5) is located between the sliding block (4) and the pushing block (6), a brush (7) is arranged outside the pushing block (6), a pushing rod (8) is arranged below the pushing block (6), a piston (9) is arranged below the pushing rod (8), the pushing rod (8) is located between the piston (9) and the pushing block (6), a needle cylinder inner cylinder (10) is located below the lead screw (3), the piston (9) is located inside the needle cylinder inner cylinder (10), and the telescopic rod (5) penetrates through the needle cylinder inner cylinder (10) to be connected with the pushing block (6), simultaneously the below of cylinder inner tube (10) is provided with syringe needle (11), the below of a sealed section of thick bamboo (12) is connected with cylinder inner tube (10), and lead screw (3) position the inside of a sealed section of thick bamboo (12) to sealed section of thick bamboo (12) are located the inside of support (1), the outside at cylinder inner tube (10) is connected in gas-supply pipe (13), and the outside of gas-supply pipe (13) is provided with pneumatic cylinder (14), and pneumatic cylinder (14) are located the rear of cylinder inner tube (10), the top of pneumatic cylinder (14) is provided with pneumatic pump (15), and the top at support (1) is installed in pneumatic pump (15).

2. The pneumatic automatic push-pull device for a cylinder according to claim 1, wherein: the screw rod (3) and the support (1) form a rotating structure through the motor (2), and the screw rod (3) is in threaded connection with the sliding block (4).

3. The pneumatic automatic push-pull device for a cylinder according to claim 1, wherein: the sliding block (4), the telescopic rod (5) and the pushing block (6) are arranged in a linkage structure, and the pushing block (6) and the needle cylinder inner cylinder (10) form a sliding structure.

4. The pneumatic automatic push-pull device for a cylinder according to claim 1, wherein: the pushing block (6) is arranged in a circular structure, the pushing block (6) and the brush (7) are arranged in an integrated structure, and the brush (7) is attached to the inner cylinder (10) of the syringe.

5. The pneumatic automatic push-pull device for a cylinder according to claim 1, wherein: the push rod (8), the piston (9) and the push block (6) are arranged in a linkage structure, and the piston (9) and the syringe inner cylinder (10) form a sliding structure.

6. The pneumatic automatic push-pull device for a cylinder according to claim 1, wherein: the pneumatic cylinder (14) is connected with the needle cylinder inner cylinder (10) in a hot melting mode, and the pneumatic cylinder (14) is connected with the support (1) in a welding mode.