CN210131118U

CN210131118U - Electric drawing auxiliary tool for syringe

Info

Publication number: CN210131118U
Application number: CN201920653337.0U
Authority: CN
Inventors: 任洪芳; 郭超
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-08
Filing date: 2019-05-08
Publication date: 2020-03-10
Anticipated expiration: 2029-05-08

Abstract

The utility model belongs to the field of medical appliances, especially, electronic pull appurtenance of syringe. The utility model comprises a shell and a power switch positioned on the outer wall of the shell, wherein the left side of the inner wall of the shell is provided with a thread which extends into the inner wall of the shell, and the upper side and the lower side inside the shell are respectively provided with two track grooves; the power transmission device comprises a motor, and the left side of a motor shaft of the motor is connected with a self-rotating wheel; the self-rotating wheel is integrally and obliquely arranged, and the wheel of the self-rotating wheel is matched with the thread; the motor is electrically connected with the power switch; the upper side face of the motor is movably connected with an upper roller, the lower side face of the motor is movably connected with a lower roller, and the upper roller and the lower roller can move left and right along the track grooves on the same side. The device passes through the inside screw thread that sets up of casing, and the motor drives and moves about in the screw thread from the runner, and then realizes the pull of syringe, has reduced the length of whole instrument, easily operation.

Description

Electric drawing auxiliary tool for syringe

Technical Field

The utility model belongs to the field of medical appliances, especially, electronic pull appurtenance of syringe.

Background

At present, in the process of intravenous administration and blending, the medicine needs to be repeatedly blended by a manual push-pull injector, and because the current workload is large and the injector is not easy to clamp, the fatigue and the joint injury are caused to medical staff.

The utility model discloses a utility model patent that CN 208355769U is syringe electronic pull instrument, (1) this instrument is because the screw rod is fixed with casing relative position, and the working method that the nut removed causes the instrument longer. The tool is longer in actual operation and use, which is not beneficial to the use of the same mind of women; (2) the screw rod and the nut directly rotate and contact with each other, heat is generated, the nut is easy to wear, and the service life is short.

Disclosure of Invention

An object of the utility model is to overcome prior art not enough, provide an electronic pull appurtenance of syringe, the device passes through the inside screw thread that sets up of casing, and the motor drives and removes about the runner in the screw thread, and then realizes the pull of syringe, has reduced the length of whole instrument, easily operation.

In order to achieve the above purpose, the technical solution of the present invention is realized as follows: the electric drawing auxiliary tool for the injector comprises a shell and a power switch positioned on the outer wall of the shell, wherein the left side of the inner wall of the shell is provided with a thread which extends into the inner wall of the shell, and the upper side and the lower side of the inner part of the shell are respectively provided with two track grooves; the depth of the track groove is greater than the depth of the thread.

The power transmission device comprises a motor, and the left side of a motor shaft of the motor is connected with a self-rotating wheel; the self-rotating wheel is integrally and obliquely arranged, and the wheel of the self-rotating wheel is matched with the thread; the motor is electrically connected with the power switch; the upper side face of the motor is movably connected with an upper roller, the lower side face of the motor is movably connected with a lower roller, and the upper roller and the lower roller can move left and right along the track grooves on the same side. In order to guarantee the service life of the motor, the outer part of the motor can be wrapped by a shell, and the upper roller and the lower roller extend out through a through hole of the shell.

The utility model is further improved in that the positive and negative poles of the motor are respectively electrically connected with the upper roller and the lower roller through wires; the upper and lower rail grooves are provided with conductive layers which are electrically connected with the power switch. By adopting the technical scheme, the wires are mainly prevented from being dislocated when the motor moves, and the wires between the motor and the upper roller/the lower roller are ensured to be in relative rest positions through the sequential connection mode of the power switch, the track groove conducting layer, the upper roller/the lower roller and the motor, so that the practicability of the equipment is improved. For the connection mode of the wire, the upper roller and the lower roller are connected to the motor through the metal cross shaft and rotate along the cross shaft, and the wire is connected to the metal cross shaft, does not rotate along with the upper roller and the lower roller, and can keep the electrical connection between the motor and the power switch. The power supply can be embedded or externally connected.

The utility model discloses a further improvement still, include right splint and the left splint of being connected with the motor shaft from the runner, swing joint has two at least rotors between two splint. A transverse shaft is arranged between the right clamping plate and the left clamping plate, and the rotor rotates along the transverse shaft. By adopting the technical scheme, the stable rotating movement of the rotor and the threads can be ensured.

The utility model discloses a further improvement still, goes up the gyro wheel, the lower gyro wheel is the conductive metal gyro wheel. By adopting the technical scheme, the motor is mainly ensured to be conductive through the upper roller and the lower roller, and the motor can be quickly started and powered off no matter the motor moves to any position.

The utility model is further improved in that the rightmost end of the shell is provided with a clamping device; the clamping device is two table-boards, and at least two grooves with different depths are symmetrically distributed on the same plane of the inner surfaces of the two table-boards; the groove is perpendicular to the length direction of the shell. The different depth grooves are adopted, and the partition plate is arranged between the two grooves, so that the applicability of the tool to different syringes is improved.

The utility model is further improved in that the right end of the power transmission device is connected with a reset device; the resetting device comprises a restorer and a piston handle clamp, wherein the outer wall of the restorer is provided with at least two concave surfaces, and the left end of the piston handle clamp is connected with each concave surface positioned on the outer wall of the restorer through an elastic connecting piece; the right side of the piston handle clamp is connected with a hinge point on the restorer.

The utility model is further improved in that a piston handle clamp switch is arranged on the outer wall of the shell; one end of the piston handle clamp switch is hinged on the shell through a hinge point positioned on the shell, and when the restorer is positioned at the rightmost end in the shell, the other end of the piston handle clamp switch and the elastic connecting piece are positioned on the same plane. Through the piston handle clamp switch, the piston handle clamp can be controlled more conveniently, and the locking and the loosening of the syringe plunger are completed.

The utility model is further improved in that the inside of the restorer is provided with an internal spring, and the right end of the internal spring is provided with a stop block; the right end of the stop block is positioned outside the restorer. The tail part of the plunger piston of the injector can be clamped through the piston handle clamp, the restorer is pressed towards the right through the built-in spring, the tail part of the plunger piston of the injector is ensured to be in close contact with the piston handle clamp, and the injector moves more stably when the transmission mechanism drives the resetting device to move.

The utility model has the advantages that: (1) the device passes through the inside screw thread that sets up of casing, and the motor drives and moves about in the screw thread from the runner, and then realizes the pull of syringe, has reduced the length of whole instrument, easily handheld, easily operation.

(2) The device realizes the rolling type movement with the thread by arranging the self-rotating wheel, reduces the frictional resistance and prolongs the service life.

Drawings

Fig. 1 is a schematic view of the structure of the electric drawing auxiliary tool for the injector of the present invention.

Fig. 2 is a schematic view of the connection structure between the power transmission device and the self-turning wheel of the present invention.

Fig. 3 is a schematic view of the connection structure of the track groove and the conductive layer according to the present invention (fig. 1A-a cross-sectional view).

Fig. 4 is a schematic view of the connection structure of the self-rotating wheel and the motor shaft of the present invention.

In the figure: 1. track groove, 2, casing, 3, self-rotating wheel, 4, screw thread, 5, upper roller, 6, motor, 7, groove, 8, conducting layer, 9, cambered surface, 10, piston handle clamp, 11, built-in spring, 12, dog, 13, lower roller, 14, piston handle clamp switch.

Detailed Description

The invention is further described with reference to the accompanying drawings and the detailed description.

The present invention is referred to the directions of fig. 1, and the present invention is not limited to the above-mentioned patent.

Example 1: the electric drawing auxiliary tool for the injector comprises a shell 2 and a power switch positioned on the outer wall of the shell 2, wherein a power transmission device is arranged in the shell 2.

The left side of the inner wall of the shell 2 is provided with a thread 4, and the upper side and the lower side of the inside of the shell 2 are respectively provided with two track grooves 1. The power transmission device comprises a motor 6, and the left side of a motor shaft of the motor 6 is connected with a self-rotating wheel 3; the self-rotating wheel 3 is integrally arranged in an inclined mode, and the wheel of the self-rotating wheel 3 is matched with the thread 4; the motor 6 is electrically connected with the power switch.

The upper side surface of the motor 6 is movably connected with an upper roller 5, the lower side surface of the motor 6 is movably connected with a lower roller 13, and the upper roller 5 and the lower roller 13 can move left and right along the track groove 1 on the same side.

Example 2: on the basis of the embodiment 1, the positive electrode and the negative electrode of the motor 6 are respectively electrically connected with the upper roller 5 and the lower roller 13 through leads; the upper and lower track grooves 1 are provided with conducting layers 8, and the two conducting layers 8 are electrically connected with the power switch.

The self-rotating wheel 3 comprises a right clamping plate and a left clamping plate connected with a motor shaft, and 4 rotors are movably connected between the two clamping plates.

The upper roller 5 and the lower roller 13 are conductive metal rollers.

The rightmost end of the shell 2 is provided with a clamping device; the clamping device is two table surfaces, and at least two grooves 7 with different depths are symmetrically distributed on the same plane of the inner surfaces of the two table surfaces; a partition plate is arranged between the two grooves 7, and the grooves 7 are vertical to the length direction of the shell 2.

The right end of the power transmission device is connected with a resetting device; the resetting device comprises a restorer and a piston handle clamp 10, wherein the outer wall of the restorer is provided with at least two concave surfaces, and the left end of the piston handle clamp 10 is connected with each concave surface positioned on the outer wall of the restorer through an elastic connecting piece; the right side of the piston handle clamp 10 is connected with a hinge point on the restorer.

A piston handle clamping switch 14 is arranged on the outer wall of the shell 2; one end of the piston handle clamp switch 14 is hinged on the shell through a hinge point on the shell 2, and when the restorer is positioned at the rightmost end in the shell 2, the other end of the piston handle clamp switch 14 and the elastic connecting piece are positioned on the same plane.

An internal spring 11 is arranged in the restorer, and a stop block 12 is arranged at the right end of the internal spring 11; the right end of the stop 12 is located outside the repositor.

The power switch is an adjusting button capable of sliding left and right, the power switch is connected with the motor 6 positively when the power switch is right, the power switch is connected with the motor 6 reversely when the power switch is left, and when the power switch button is in the original position, the maximum current of the resistor is 0 and the resistor does not work.

Simultaneously because casing 2 is equipped with track groove 1, the side swing joint that goes up of motor 6 has last gyro wheel 5, and the downside swing joint of motor has lower gyro wheel 13, and last gyro wheel 5, lower gyro wheel 13 prevent motor 6's self to rock under the effect of guide track groove 1, and motor 6 drives and can only remove from moving 3.

The most right part of the shell 2 is inserted into the injector laterally, the tail part of the sleeve of the injector is clamped in a mode of rotating the injector, the piston handle clamp 10 is clamped at the tail part of the plunger of the injector in a mode of pressing the piston handle clamp switch 14, when a gap is formed between the piston handle clamp 10 and the tail part of the plunger of the injector, the restorer pushes the stop block rightwards through the built-in spring 11 to push the tail part of the plunger of the injector, and the plunger of the injector is ensured to be firmly clamped by the piston handle clamp 10.

When the motor 6 rotates reversely, the self-rotating wheel 3 is driven by the motor 6 to move leftwards along the thread 4, so that the resetting device is driven to move leftwards, and the plunger of the injector moves leftwards simultaneously, so that the injector is assisted to finish liquid suction operation; when the motor 6 rotates forwards, the resetting device is driven by the autorotation wheel 3 and the motor 6 to move rightwards, and the plunger of the injector moves rightwards simultaneously, so that the injector is assisted to finish the operation of pushing out liquid or air.

Claims

1. Electronic pull appurtenance of syringe, including casing (2), be located the switch of casing (2) outer wall, its characterized in that: a power transmission device is arranged in the shell (2);

threads (4) are arranged on the left side of the inner wall of the shell (2), and two track grooves (1) are respectively arranged on the upper side and the lower side of the interior of the shell (2);

the power transmission device comprises a motor (6), and the left side of a motor shaft of the motor (6) is connected with a self-rotating wheel (3); the self-rotating wheel (3) is integrally arranged in an inclined mode, and the wheel of the self-rotating wheel (3) is matched with the thread (4); the motor (6) is electrically connected with the power switch;

the side swing joint that goes up of motor (6) has last gyro wheel (5), the downside swing joint of motor (6) has lower gyro wheel (13), it can remove about track groove (1) along the homonymy to go up gyro wheel (5), lower gyro wheel (13).

2. The power-operated syringe withdrawal aid of claim 1, wherein: the positive electrode and the negative electrode of the motor (6) are respectively electrically connected with the upper roller (5) and the lower roller (13) through leads; the upper and lower track grooves (1) are internally provided with conducting layers (8), and the two conducting layers (8) are electrically connected with a power switch.

3. The power-operated syringe withdrawal aid of claim 1, wherein: the self-rotating wheel (3) comprises a right clamping plate and a left clamping plate connected with the motor shaft, and at least two rotors are movably connected between the left clamping plate and the right clamping plate.

4. The power-operated syringe withdrawal aid of claim 2, wherein: the upper roller (5) and the lower roller (13) are conductive metal rollers.

5. The power-operated syringe withdrawal aid of claim 1, wherein: the rightmost end of the shell (2) is provided with a clamping device; the clamping device is two table surfaces, and at least two grooves (7) with different depths are symmetrically distributed on the same plane of the inner surfaces of the two table surfaces; a partition plate is arranged between the two grooves (7), and the grooves (7) are vertical to the length direction of the shell (2).

6. The power-operated syringe withdrawal aid of claim 1, wherein: the right end of the power transmission device is connected with a resetting device; the resetting device comprises a resetting device and a piston handle clamp (10), wherein the outer wall of the resetting device is provided with at least two concave surfaces, and the left end of the piston handle clamp (10) is connected with each concave surface positioned on the outer wall of the resetting device through an elastic connecting piece; the right side of the piston handle clamp (10) is connected with a hinge point on the restorer.

7. The power assist tool for pulling a syringe according to claim 6, wherein: a piston handle clamp switch (14) is arranged on the outer wall of the shell (2); one end of the piston handle clamp switch (14) is hinged on the shell through a hinge point positioned on the shell (2), and when the restorer is positioned at the rightmost end in the shell (2), the other end of the piston handle clamp switch (14) and the elastic connecting piece are positioned on the same plane.

8. The power assist tool for pulling a syringe according to claim 6, wherein: an internal spring (11) is arranged in the restorer, and a stop block (12) is arranged at the right end of the internal spring (11); the right end of the stop block (12) is positioned outside the restorer.