CN212491017U

CN212491017U - Novel low-resistance syringe

Info

Publication number: CN212491017U
Application number: CN202020321300.0U
Authority: CN
Inventors: 檀伟杰; 李西涵
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-16
Filing date: 2020-03-16
Publication date: 2021-02-09
Anticipated expiration: 2030-03-16

Abstract

The utility model relates to a novel low-resistance injector, which comprises a sleeve, a push rod, a fixed seat, a rubber plug and a piston cap; the piston in the sleeve is connected with the push rod, the piston cap is installed at the bottom end of the push rod, the rubber plug is installed at the top end of the piston cap, a sealing line is designed on the rubber plug, the fixed seat is assembled at the top end of the rubber plug, the top end of the piston cap is connected with the bottom surface of the push rod, a V-shaped or U-shaped bulge is designed under the piston cap, a V-shaped or U-shaped groove is designed on the bottom surface of the rubber plug, the contact area is increased through extrusion deformation of. Compared with the prior art, the beneficial effects of the utility model, fixing base top surface and push rod bottom surface design clearance, syringe push rod can swing in a flexible way for medical personnel can operate freely, and when removing the push rod, the contact surface can initiatively be look for to the plug in the sleeve this moment simultaneously, reduces the resistance that the staff promoted the plug and receives, guarantees sealed effect, alleviates staff's intensity of labour, improves work efficiency.

Description

Novel low-resistance syringe

Technical Field

The utility model relates to the technical field of syringes, in particular to a novel low-resistance syringe.

Background

The injector is a medical apparatus commonly used in clinic, mainly used for injecting gas or liquid, and generally composed of a cylinder, a piston and a core rod, wherein the injector composed of the above components is generally composed of high polymer materials, in order to prevent leakage between the piston and the cylinder, and ensure that the piston and the cylinder have good sealing effect, the piston and the cylinder have large resistance, and when the operator uses the injector for injection, the operator needs to use large force, so that the labor intensity of the operator is increased, and the working efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a novel low resistance syringe can effectively solve the great resistance problem of syringe that proposes in the above-mentioned background art, makes things convenient for the staff when using the syringe injection, provides work efficiency, reduces intensity of labour.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel low resistance syringe, includes the sleeve, the inside sliding connection of sleeve has the push rod, installs the piston cap in the push rod bottom, and the plug is installed on piston cap top, and plug bottom surface design V type or U type recess, installs the fixing base on the plug top, fixing base top surface and push rod bottom surface design clearance.

Preferably, the piston cap is provided with a V-shaped or U-shaped bump under the piston cap, and the longitudinal sections of the protrusion and the groove are both V-shaped or U-shaped.

Preferably, a clamping groove is formed in the top end of the piston cap, and a fixing column is arranged at the bottom end of the push rod corresponding to the clamping groove.

Preferably, the contact part of the bottom surface of the fixing seat and the rubber plug is an oblique angle or an oblique arc line, and the inside of the fixing seat is a cavity.

Preferably, the shape of the top end of the longitudinal section of the piston cap is conical.

Preferably, the sleeve inner wall is designed smoothly, the requirement of low resistance of the product is met, and the tail end is raised to prevent the push rod from separating from the sleeve when reaching the tail end.

Preferably, the top surface of the sleeve and the top surface of the push rod are both connected with push plates.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization:

1. fixing base top surface and push rod bottom surface design clearance, syringe push rod can swing in a flexible way for medical personnel can operate freely, and simultaneously when removing the push rod, the plug can initiatively look for the contact surface in the sleeve this moment, makes things convenient for the staff to drive the plug through removing the push rod and remove in the sleeve, reduces the resistance that the staff promoted the plug and received, guarantees sealed effect, alleviates staff's intensity of labour, improves work efficiency.

2. Be provided with spacing subassembly, at the staff in-process of injecing, staff's finger contact push pedal this moment, first spring compression this moment, the slider removes in the spout, drives the limiting plate and removes, and is spacing to medical personnel's finger for medical personnel more stable when taking the syringe prevents at the in-process of injecing, because the patient swings, leads to the syringe to follow medical personnel and hand landing, causes the influence to the use of syringe.

3. Be provided with the protection subassembly, after medical personnel inject, the second spring is tensile this moment, and a protection section of thick bamboo removes in the mounting groove this moment, shelters from the syringe needle through a protection section of thick bamboo, prevents that medical personnel from touching the syringe needle, causes the damage to medical personnel.

4. At the in-process of injecing, a protection section of thick bamboo compression this moment, rubber circle and patient skin contact reduce the damage of a protection section of thick bamboo to patient's skin, can play the supporting role to the syringe simultaneously, make things convenient for the staff to inject.

To sum up, in the syringe use, fix and spacing the finger through slider and fixed block, avoid the syringe to rock for stability during the injection more, after the injection, protect the syringe needle through a protection section of thick bamboo, prevent that the syringe needle from causing the damage to medical personnel.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

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

FIG. 2 is a schematic view of the installation structure of the push rod of the present invention;

fig. 3 is a schematic view of the piston mounting structure of the present invention;

fig. 4 is an exploded view of the piston of the present invention;

fig. 5 is a schematic structural view of the protection assembly of the present invention;

FIG. 6 is a schematic view of the installation structure of the limiting plate of the present invention;

fig. 7 is a schematic view of a first spring mounting structure of the present invention;

reference numbers in the figures: 1. a sleeve; 2. a push rod; 3. a piston cap; 4. a rubber plug; 5. a seal ring; 6. a fixed seat; 7. pushing the plate;

9. a limiting component; 901. a fixed block; 902. a chute; 903. a slider; 904. a first spring; 905. a limiting plate; 906. a rubber plate;

10. a protection component; 1001. a fixed cylinder; 1002. mounting grooves; 1003. a second spring; 1004. a protective cylinder; 1005. a rubber ring;

11. a bump; 12. a groove; 13. fixing grooves; 14. fixing a column; 15. a cavity.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example 1: as shown in fig. 1-4, the utility model provides a technical scheme, a novel low resistance injector, which comprises a sleeve 1, a push rod 2 is connected in the sleeve 1 in a sliding way, and push plates 7 are connected to the top surfaces of the sleeve 1 and the push rod 2, so that the push rod 2 can be pushed by the worker conveniently; the 1 tail end of sleeve is protruding, avoids push rod 2 to reach the tail end and breaks away from sleeve 1, and piston cap 3 is installed to 2 bottoms of push rod, and the shape on 3 longitudinal section tops of piston cap is the toper, and the smooth design of 1 inner wall of sleeve reaches the low resistance requirement of product, and the tail end is protruding, prevents that push rod 2 from reaching the tail end and breaking away from sleeve 1, conveniently cooperates with 1 bottom of sleeve, avoids sleeve 1 to remain the medicine.

Fixed slot 13 has been seted up to 3 tops of piston cap, fixed column 14 has been seted up to the corresponding fixed slot 13 department in 2 bottoms of push rod, conveniently install piston cap 3 on push rod 2, prevent that push rod 2 from dropping, 3 tops of piston cap are installed plug 4 outward, and plug 4 goes up a sealing line of design, the corresponding lug 11 department of 4 top surfaces of plug has seted up recess 12, and the shape of lug 11 and recess 12's longitudinal section is V type or U type, both extrusion deformation increase area of contact, guarantee sealing performance.

Two sealing rings 5 are designed on the inner wall of the rubber plug 4 and are in interference fit with the piston cap 3, so that the rubber plug 4 can be fixed more stably, the sealing performance of the rubber plug 4 is improved, and the sealing effect is better;

the fixing seat 6 is installed on the top end of the rubber plug 4, the cavity 15 is formed inside the fixing seat 6, the contact part of the bottom surface of the fixing seat 6 and the rubber plug 4 is an oblique angle or an oblique arc line, and an invisible sealing line is formed when positive pressure and negative pressure are applied, so that the sealing performance of the rubber plug 4 is improved.

The top surface of the fixing seat 6 and the bottom surface of the push rod 2 are designed to have a gap, the push rod 2 of the injector can swing flexibly by 360 degrees, so that medical workers can operate freely, and meanwhile when the push rod 2 is moved, the rubber plug 4 can actively search for a contact surface in the sleeve 1, the resistance of pushing the rubber plug 4 by the workers is reduced, the labor intensity of the workers is reduced, and the working efficiency is improved.

When plug 4 receives the resistance, plug 4 is free activity in

sleeve

1, 1 inner wall of sleeve is sought initiatively, realize sealing performance, because the shape of plug 4 bottom surface recess 12 is V type or U type with the longitudinal section of 3 lugs 11 of piston cap, 6 bottom surfaces of fixing base and plug 4 contact site are for oblique angle or oblique pitch arc, 5 interference fit piston cap 3 of two sealing washer of plug 4 inner wall design simultaneously, can make plug 4 fixed more stable, just, during the negative pressure, plug 4 forms two seal lines, make sealed effect more.

Example 2: as shown in fig. 1, 2, 6 and 7, the utility model provides a technical scheme, a novel low resistance injector, which comprises a sleeve 1, wherein a push plate 7 is welded on the top surface of the sleeve 1;

the bottom end of the push plate 7 is provided with a limiting component 9, and the limiting component 9 comprises a fixed block 901, a sliding chute 902, a sliding block 903, a first spring 904, a limiting plate 905 and a rubber plate 906;

7 bottom surfaces both ends of push pedal are all founded and are connected with fixed block 901, and spout 902 has all been seted up at 7 middle part both ends of push pedal, and the inside sliding connection of spout 902 has slider 903, and slider 903 one end founding is connected with first spring 904, and the founding of first spring 904 one end is connected in spout 902 one end, and the founding of slider 903 bottom is connected with limiting plate 905, and fixed block 901 is the plastic with limiting plate 905's material, and fixed block 901 all founds with limiting plate 905 one side and is connected with rubber slab 906.

At the staff in-process of injecing, staff's finger contact push pedal 7 this moment, first spring 904 compression this moment, slider 903 removes in spout 902, it removes to drive limiting plate 905, it is spacing to medical personnel's finger, make medical personnel more stable when taking the syringe, prevent at the in-process of injecing, because the patient swings, lead to the syringe to slide from medical personnel's hand, cause the influence to the use of syringe, through rubber slab 906, avoid limiting plate 905 direct and medical personnel finger contact, prevent to cause the damage to medical personnel's finger, increase the frictional force between limiting plate 905 and the finger simultaneously, make the syringe fix more stable in medical personnel's hand.

Example 3: as shown in fig. 1 and 5, the utility model provides a technical proposal, a novel low resistance injector, which comprises a sleeve 1;

the sleeve 1 is provided with a protection assembly 10, and the protection assembly 10 comprises a fixed cylinder 1001, a mounting groove 1002, a second spring 1003, a protection cylinder 1004 and a rubber ring 1005;

the founding in 1 bottom outside of sleeve is connected with solid fixed cylinder 1001, and mounting groove 1002 has been seted up at solid fixed cylinder 1001 bottom surface middle part, and the equal founding in the inside bottom surface both ends of mounting groove 1002 is connected with second spring 1003, and two equal founding of second spring 1003 are connected in protection section of thick bamboo 1004 top surface, and protection section of thick bamboo 1004 bottom surface founding is connected with rubber circle 1005.

After medical personnel inject, second spring 1003 is tensile this moment, and a protection section of thick bamboo 1004 removes in mounting groove 1002 this moment, shelters from the syringe needle through a protection section of thick bamboo 1004, prevents that medical personnel from touching the syringe needle, causes the damage to medical personnel, and simultaneously when injecting, second spring 1003 compression this moment for a protection section of thick bamboo 1004 removes, rubber circle 1005 and patient's skin contact this moment, prevents that a protection section of thick bamboo 1004 from directly touching patient's skin, causes the damage to patient's skin.

Finally, it should be noted that: 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 described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A novel low-resistance syringe is characterized in that: including sleeve (1), sleeve (1) inside sliding connection has push rod (2), installs piston cap (3) in push rod (2) bottom, and plug (4) are installed on piston cap (3) top, and plug (4) bottom surface design V type or U type recess (12), install fixing base (6) on plug (4) top, fixing base (6) top surface and push rod (2) bottom surface design clearance.

2. The novel low drag syringe of claim 1 wherein: v-shaped or U-shaped convex blocks (11) are designed under the piston cap (3), and the longitudinal sections of the protrusions and the grooves are both V-shaped or U-shaped.

3. The novel low drag syringe of claim 1 wherein: the piston cap (3) is characterized in that a clamping groove (13) is formed in the top end of the piston cap, and a fixing column (14) is arranged at the bottom end of the push rod (2) corresponding to the clamping groove (13).

4. The novel low drag syringe of claim 1 wherein: the contact part of the bottom surface of the fixed seat (6) and the rubber plug (4) is an oblique angle or an oblique arc line, and the inside of the fixed seat (6) is a cavity (15).

5. The novel low drag syringe of claim 1 wherein: the top end of the longitudinal section of the piston cap (3) is conical.

6. The novel low drag syringe of claim 1 wherein: the inner wall of the sleeve (1) is designed smoothly, the requirement of low resistance of a product is met, the tail end is raised, and the push rod (2) is prevented from reaching the tail end to be separated from the sleeve (1).

7. The novel low drag syringe of claim 1 wherein: the top surface of the sleeve (1) and the top surface of the push rod (2) are both connected with push plates (7).