CN213031300U

CN213031300U - Multi-purpose syringe

Info

Publication number: CN213031300U
Application number: CN202020624245.2U
Authority: CN
Inventors: 刘月珍; 朱小恒
Original assignee: Yiwu Central Hospital
Current assignee: Yiwu Central Hospital
Priority date: 2020-04-23
Filing date: 2020-04-23
Publication date: 2021-04-23
Anticipated expiration: 2030-04-23

Abstract

The utility model relates to a syringe equipment technical field, concretely relates to multipurpose syringe. The utility model discloses a multipurpose injector, including main part mechanism and positioning mechanism, the main part mechanism external fixation has positioning mechanism, main part mechanism includes needle tubing and inner wall sliding connection's piston rod, needle tubing bottom exit outer wall cup joints and is fixed with the silica gel head, positioning mechanism includes the holding ring, the holding ring is the pipe structure, the vertical two slip outer poles that are fixed with about its axis symmetry of holding ring top surface, the slip outer pole is opening end cylinder shell structure up. The utility model discloses in, it is fixed to carry out the centre gripping to the needle tubing through two arcs, is connected joint ring through a spring and piston rod top block, restricts the displacement distance of pole in the slip through the removal bolt, has solved current syringe when feeding the neonate, is difficult to hold the problem of feeding the dose.

Description

Multi-purpose syringe

Technical Field

The utility model relates to a syringe equipment technical field, concretely relates to multipurpose syringe.

Background

Syringes are common medical devices, which primarily use needles to draw or inject gas or liquid, and syringes may also be used for medical devices, containers, and scientific instruments such as those used in chromatography, to inject through rubber septa. The existing injector is often used in medical-related facilities, the ordinary injector is often used for injecting needle and drawing liquid for patients, but the purpose of the injector is not only that, the injector can be used for feeding medicine to newborns and children, but because the medicine feeding of newborns and children has certain dosage requirements, the existing injector usually visually judges the input medicine quantity by naked eyes, and the medicine feeding quantity is easily overlarge for the newborn babies and mothers who do not use the injector frequently.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problem that the medicine feeding amount of a newborn baby and children is difficult to grasp by an existing injector in the medicine feeding process, a multipurpose injector is provided.

The purpose of the utility model can be realized by the following technical scheme:

the multipurpose injector comprises a main body mechanism and a positioning mechanism, wherein the positioning mechanism is fixed outside the main body mechanism, the main body mechanism comprises a needle tube and a piston rod, the inner wall of the needle tube is in sliding connection with the piston rod, the outer wall of an outlet at the bottom end of the needle tube is fixedly sleeved with a silica gel head, and the outer wall of the outlet at the bottom end of the needle tube is fixedly sleeved with a needle head;

the positioning mechanism comprises a positioning ring, the positioning ring is of a circular tube structure, the top surface of the positioning ring is vertically fixed with two sliding outer rods which are symmetrical about the axis of the positioning ring, the sliding outer rods are of a cylindrical shell structure with an upward opening end, the inner walls of the two sliding outer rods are connected with limiting rings in a sliding manner, the outer walls of the two sliding outer rods are vertically provided with sliding grooves, the inner walls of the two sliding grooves are connected with bolts which are screwed with the bottom surfaces of the limiting rings in a sliding manner, the inner walls of the two sliding outer rods are connected with sliding inner rods in a sliding manner, a spring is fixed between the bottom surface of the sliding inner rod and the top surface of the limiting ring, a clamping ring is fixed between the top surfaces of the two sliding inner rods, the outer wall of the bottom end of the clamping ring is fixed with a circular ring, the outer wall of the positioning ring is, two arc wall inner wall central point department of putting all sets up the circular slot that extends to the fixing base inside, two the equal sliding connection of arc wall inner wall has the arc, two the arc inner wall is fixed to the needle tubing outer wall centre gripping, the corresponding circular slot place department of arc outer wall is fixed with the connecting rod that extends to the fixing base inside, be fixed with between arc outer wall and the arc inner wall and cup joint No. two springs outside the connecting rod outer wall, connecting rod one end outer wall is seted up flutedly, the recess inner wall is fixed with the lug, the fixing base outer wall corresponds recess place department of putting and slides and pegs graft and has the press depression bar.

Further, the method comprises the following steps: the distance between holding ring bottom surface and the joint ring top surface equals the length of piston rod, sets the distance between holding ring bottom surface and the joint ring top surface to equal the length of piston rod, can make things convenient for the more audio-visual judgement to the medicine feed volume size of user.

Further, the method comprises the following steps: the inner wall of the arc-shaped plate is fixedly adhered with a rubber pad, and the friction force between the inner wall of the arc-shaped plate and the outer wall of the needle tube can be increased through the structure that the inner wall of the arc-shaped plate is fixedly adhered with the rubber pad.

Further, the method comprises the following steps: the size marking is marked on the outer wall of the sliding groove, and the size of the medicine feeding amount can be judged more accurately by a user conveniently by marking the size marking on the outer wall of the sliding groove.

Further, the method comprises the following steps: according to the horizontal cross-section of pressing the bottom outer wall of the pressure lever for triangle-shaped, set up to triangle-shaped through the horizontal cross-section that will press the bottom outer wall of pressure lever, can make and press the bottom outer wall of the pressure lever when conflicting with the lug outer wall, can promote the connecting rod and take place the displacement.

Further, the method comprises the following steps: the length under No. two spring natural states is greater than the distance between arc wall inner wall and the holding ring inner wall, sets to length under No. two spring natural states to be greater than the distance between arc wall inner wall and the holding ring inner wall, can make when pressing rod bottom outer wall does not contact with the lug, the arc can carry out the centre gripping to the needle tubing fixed under the elastic force state of No. two springs.

The utility model has the advantages that:

1. the positioning ring is arranged into a circular tube structure, two fixing seats which are symmetrical about the axis of the positioning ring are fixed on the outer wall of the positioning ring, two arc-shaped grooves which are symmetrical about the axis of the positioning ring are arranged on the inner wall of the positioning ring, a circular groove is arranged at the central position of the inner wall of the arc-shaped groove, an arc-shaped plate is connected on the inner wall of the arc-shaped groove in a sliding manner, a connecting rod is fixed on the outer wall of the arc-shaped plate corresponding to the position of the circular groove, a second spring is sleeved on the outer wall of the connecting rod between the outer wall of the arc-shaped plate and the inner wall of the arc-shaped groove, a groove is arranged on the outer wall of the connecting rod, a convex block is fixed on the inner wall of the groove, a pressing rod is inserted and connected in a sliding manner at the position of the outer wall of the fixing seat corresponding to the groove, two sliding outer rods which are, there is the spacing ring at the inner wall sliding connection of slip outer pole, has seted up the spout at the outer wall of slip outer pole, has the structure of closing the bolt of being connected soon with the spacing ring at the inner wall sliding connection of spout, carries out the centre gripping through two arcs to the needle tubing fixed, is connected the joint ring through a spring and piston rod top block, restricts the displacement distance of pole in the slip through removing the bolt, has solved current syringe when feeding the medicine to the neonate, is difficult to hold the problem of feeding the dose.

Drawings

The present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of the injector of the present invention;

FIG. 2 is a schematic view of the overall structure of the injector of the present invention;

FIG. 3 is a schematic view of the overall structure of the injector of the present invention;

FIG. 4 is a schematic structural view of the middle positioning mechanism of the present invention;

fig. 5 is an exploded view of the positioning mechanism of the present invention;

fig. 6 is an enlarged view of fig. 5 a according to the present invention.

In the figure: 100. a main body mechanism; 110. a needle tube; 120. a piston rod; 130. a silica gel head; 140. a needle head; 200. a positioning mechanism; 210. a positioning ring; 211. an arc-shaped slot; 212. a circular groove; 220. sliding the outer rod; 221. sliding the inner rod; 222. a first spring; 223. a chute; 224. a limiting ring; 225. a bolt; 230. a fixed seat; 240. a snap ring; 241. a circular ring; 250. an arc-shaped plate; 260. a connecting rod; 261. a groove; 262. a bump; 270. a second spring; 280. the lever is pressed.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to 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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-6, the multi-purpose injector includes a main body mechanism 100 and a positioning mechanism 200, the positioning mechanism 200 is fixed outside the main body mechanism 100, the main body mechanism 100 includes a needle tube 110 and a piston rod 120 slidably connected to the inner wall thereof, a silica gel head 130 is fixed on the outer wall of the outlet at the bottom end of the needle tube 110, and a needle 140 is fixed on the outer wall of the outlet at the bottom end of the needle tube 110;

the positioning mechanism 200 comprises a positioning ring 210, the positioning ring 210 is a circular tube structure, two sliding outer rods 220 which are symmetrical about the axis of the positioning ring 210 are vertically fixed on the top surface of the positioning ring 210, the sliding outer rods 220 are cylindrical shell structures with open ends facing upwards, the inner walls of the two sliding outer rods 220 are both connected with a limiting ring 224 in a sliding manner, sliding grooves 223 are vertically formed in the outer walls of the two sliding outer rods 220, the inner walls of the two sliding grooves 223 are both connected with bolts 225 which are screwed with the bottom surface of the limiting ring 224 in a sliding manner, sliding inner rods 221 are both connected with the inner walls of the two sliding outer rods 220 in a sliding manner, a spring 222 is fixed between the bottom surface of each sliding inner rod 221 and the top surface of the limiting ring 224, a clamping ring 240 is fixed between the top surfaces of the two sliding inner rods 221, a circular ring 241 is fixed on the outer wall of the bottom end, two arc groove 211 inner wall central point departments all have been seted up and have been extended to the inside circular slot 212 of fixing base 230, the equal sliding connection of two arc groove 211 inner walls has arc 250, two arc 250 inner walls are fixed to needle tube 110 outer wall centre gripping, the arc 250 outer wall corresponds circular slot 212 position department and is fixed with the connecting rod 260 that extends to fixing base 230 inside, be fixed with between arc 250 outer wall and the arc groove 211 inner wall and cup joint No. two springs 270 outside the connecting rod 260 outer wall, connecting rod 260 one end outer wall has seted up recess 261, recess 261 inner wall is fixed with 262 the lug, the fixing base 230 outer wall corresponds recess 261 position department and slides to peg graft and has pressed down the depression bar 280.

The distance between the bottom surface of the positioning ring 210 and the top surface of the clamping ring 240 is equal to the length of the piston rod 120, and the distance between the bottom surface of the positioning ring 210 and the top surface of the clamping ring 240 is set to be equal to the length of the piston rod 120, so that the user can judge the medicine feeding amount more intuitively.

The adhesion of arc 250 inner wall is fixed with the rubber pad, through the structure that is fixed with the rubber pad at the adhesion of arc 250 inner wall, can increase the frictional force between arc 250 inner wall and the needle tubing 110 outer wall, the volume marking has been carved with to spout 223 outer wall seal, through the volume marking has been carved with to the outer wall seal at spout 223, can make things convenient for the more accurate size of judging the medicine feed volume of using personnel, the transverse cross-section of pressing the outer wall of 280 bottoms of depression bar is triangle-shaped, transverse cross-section through the bottom outer wall that will press depression bar 280 sets up to triangle-shaped, can make and press the outer wall of 280 bottoms of depression bar when conflicting with lug 262 outer wall, can promote connecting rod 260.

The length of the second spring 270 in the natural state is greater than the distance between the inner wall of the arc-shaped groove 211 and the inner wall of the positioning ring 210, and the length of the second spring 270 in the natural state is set to be greater than the distance between the inner wall of the arc-shaped groove 211 and the inner wall of the positioning ring 210, so that when the outer wall of the bottom end of the pressing rod 280 does not contact with the projection 262, the arc-shaped plate 250 can clamp and fix the needle tube 110 under the elastic state of the second spring 270.

The working principle is as follows: when the device is used, a user opens a medicine bottle or uses a container to heat powdered medicine into liquid, then the liquid medicine is sucked into the needle tube 110 by pulling the piston rod 120 upwards, then the silica gel head 130 is inserted and fixed at the bottom end of the needle tube 110, then the pressing rod 280 is pressed inwards, the bottom end inclined plane of the pressing rod 280 is contacted with the outer wall of the projection 262, so that the pressing rod 280 drives the arc-shaped plate 250 to be accommodated into the inner wall of the arc-shaped groove 211, then the whole positioning mechanism 200 is sleeved on the outer wall of the needle tube 110 from the bottom end of the needle tube 110, when the clamping ring 240 is clamped with the top end of the piston rod 120, the pressing rod 280 is released, so that the arc-shaped plate 250 clamps and fixes the outer wall of the needle tube 110 under the elastic force of the second spring 270, then the medicine feeding amount is determined according to a medicine specification, then the moving range of the sliding inner rod 221 is positioned, the moving distance of the sliding inner rod 221 is fixed by screwing the bolt 225, then the silica gel head 130 is placed in the mouth of the child, and then the piston rod 120 is pressed downwards to feed the liquid medicine into the body of the child, and the whole operation is completed.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is illustrative and explanatory only, and various modifications, additions and substitutions as described for the specific embodiments described herein may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the invention as defined in the claims.

Claims

1. The multipurpose injector is characterized by comprising a main body mechanism (100) and a positioning mechanism (200), wherein the positioning mechanism (200) is fixed outside the main body mechanism (100), the main body mechanism (100) comprises a needle tube (110) and a piston rod (120) with the inner wall thereof in sliding connection, a silica gel head (130) is fixedly sleeved on the outer wall of an outlet at the bottom end of the needle tube (110), and a needle head (140) is fixedly sleeved on the outer wall of an outlet at the bottom end of the needle tube (110);

positioning mechanism (200) includes holding ring (210), holding ring (210) are the pipe structure, two slip outer pole (220) about its axis symmetry are vertically fixed to holding ring (210) top surface, slip outer pole (220) are opening end cylinder shell structure up, two equal sliding connection spacing ring (224) of slip outer pole (220) inner wall, two equal vertical spout (223) of having seted up of slip outer pole (220) outer wall, two equal sliding connection of spout (223) inner wall has bolt (225) of being connected with spacing ring (224) bottom surface spiral, two equal sliding connection of slip outer pole (220) inner wall has slip interior pole (221), be fixed with interior pole (222) of a spring between slip interior pole (221) bottom surface and spacing ring (224) top surface, two be fixed with joint ring (240) between slip interior pole (221) top surface, the outer wall of the bottom end of the clamping ring (240) is fixed with a circular ring (241), the outer wall of the positioning ring (210) is fixed with two fixing seats (230) which are symmetrical relative to the axis of the positioning ring, the inner wall of the positioning ring (210) is provided with two arc-shaped grooves (211) which are symmetrical relative to the axis of the positioning ring, the central positions of the inner walls of the two arc-shaped grooves (211) are provided with circular grooves (212) which extend into the fixing seats (230), the inner walls of the two arc-shaped grooves (211) are connected with arc-shaped plates (250) in a sliding manner, the inner walls of the two arc-shaped plates (250) clamp and fix the outer wall of the needle tube (110), the positions of the outer walls of the arc-shaped plates (250) corresponding to the circular grooves (212) are fixed with connecting rods (260) which extend into the fixing seats (230), and a second spring (270) which is, the outer wall of one end of the connecting rod (260) is provided with a groove (261), the inner wall of the groove (261) is fixedly provided with a convex block (262), and the position of the outer wall of the fixed seat (230) corresponding to the groove (261) is inserted with a pressing rod (280) in a sliding manner.

2. The multiple use syringe of claim 1, wherein the distance between the bottom surface of the retaining ring (210) and the top surface of the snap ring (240) is equal to the length of the plunger rod (120).

3. The multi-purpose injector of claim 1, wherein a rubber pad is adhesively secured to the inner wall of the arcuate plate (250).

4. The multi-purpose syringe of claim 1, wherein the outer wall of the sliding inner rod (221) is imprinted with volume markings.

5. The multipurpose syringe as claimed in claim 1, wherein the outer wall of the bottom end of the pressing bar (280) has a triangular cross-section in a transverse direction.

6. The multi-purpose injector of claim 1, wherein the natural length of the second spring (270) is greater than the distance between the inner wall of the arcuate slot (211) and the inner wall of the retaining ring (210).