CN209575429U - A kind of disposable empty needle of Anti-stabbing - Google Patents

Abstract

The utility model discloses a kind of disposable empty needles of Anti-stabbing, including syringe and syringe needle, push rod is plugged with inside the syringe, the push rod end is fixedly connected with the rubber stopper being slidably connected with syringe inner wall, silica gel hose is socketed among the push rod, the push rod, which runs through, to be connected among partition, the partition is fixedly connected on syringe end, the space that the utility model is used to cooperate filling syringe end by increasing silica gel hose among push rod, silica gel hose can block the space of syringe end, syringe end space is avoided to enter dust, prevent dust from being brought into inside syringe by rubber stopper in sliding, strut ends installation baffle is for protecting syringe needle, prevent syringe needle from being destroyed, pass through the link block of spring connection and strut cooperation among lantern ring simultaneously, link block end has protrusion for cooperating location hole to block strut, Strut is positioned, link block is pushed, the connection of link block and strut can be disconnected, be moved easily strut.

Description

A kind of disposable empty needle of Anti-stabbing

Technical field

The utility model relates to syringe technical field, specially a kind of disposable empty needle of Anti-stabbing.

Background technique

Syringe is a kind of common medical instruments.Syringe can be used for Medical Devices, container, such as some chromatographies In scientific instrument across diaphragm of rubber inject.The appearance of syringe be medical instruments field once epoch-making revolution use and Syringe needle extracts or injects gas or this process of liquid is called injection.Syringe by the foraminate syringe of front end band and Matching piston core pin composition, for by a small amount of liquid or its be injected into region that other methods can not approach or from Those place extractions, liquid or gas are sucked from syringe front end aperture when core bar is extracted, in core bar push-in by liquid Body or gas squeeze out.

Syringe now is made of plastic, and is thrown away with primary, greatly reduces the danger infected when injection Property.In order to guarantee health, cross-infection is prevented, contemporary syringe mostly uses plastic material.

Existing one-shot injector when in use, since syringe needle quality is softer, is easily deformed, when in use, due to syringe End is hollow, often falls into dust when in use, when syringe sucks medical fluid, with the fortune of push rod end rubber piston It is dynamic, it is easy to bring dust inside syringe into, pollutes medical fluid.

For this purpose, it is proposed that a kind of Anti-stabbing disposable empty needle solves problems of the prior art, it can Syringe needle is protected, while reducing syringe internal contamination.

Utility model content

The purpose of this utility model is to provide a kind of disposable empty needles of Anti-stabbing, to solve to propose in above-mentioned background technique The problem of.

To achieve the above object, the utility model provides the following technical solutions: a kind of disposable empty needle of Anti-stabbing, including needle Cylinder and syringe needle are plugged with push rod inside the syringe, and the push rod end is fixedly connected with the rubber being slidably connected with syringe inner wall Rubber plug is socketed with silica gel hose among the push rod, and through being connected among partition, the partition is fixedly connected the push rod In syringe end, the syringe needle is plugged on the syringe other end, and the syringe side is socketed with lantern ring, runs through among the lantern ring and connect It is connected to strut, the strut ends are fixedly connected with baffle, are equipped with the through-hole to match with syringe needle, the set among the baffle It is plugged with link block inside ring, is evenly distributed with the location hole to match with link block protrusion among the strut, in the lantern ring Portion is equipped with spring, and the spring upper end is connected to link block lower end.

Preferably, the lantern ring side is threaded with handle bolt, and the handle bolt end runs through collar side wall.

Preferably, the handle bolt end is connected among the limit plate on the outside of syringe, and in the limit plate Side is pasted with the rubber pad to match with syringe.

Preferably, the strut other end is socketed with tension spring, and the tension spring end is fixed on lantern ring side.

Preferably, the baffle middle position is plugged with rubber block, and the rubber block is located at needle side.

Preferably, the push rod end is connected with pressing plate, and the clamp surface is evenly distributed with non-slip texture.

Compared with prior art, the utility model has the beneficial effects that

1, the space that the utility model is used to cooperate filling syringe end by increasing silica gel hose among push rod, silica gel The superior elasticity that manufactured sebific duct has, extending 6 times of normal use or more, and it is not easy to break, while silica gel hose can block up The firmly space of syringe end avoids syringe end space from entering dust, prevents dust from being brought into syringe by rubber stopper in sliding Portion avoids pollution medicament；

2, the utility model is equipped with strut, strut ends installation by increasing lantern ring connection in syringe end on lantern ring Baffle prevents syringe needle from being destroyed, while passing through spring connection and strut cooperation among lantern ring for protecting syringe needle Link block, link block end have protrusion for cooperating location hole to block strut, position to strut, pushing link block can The connection of link block and strut is disconnected, strut is moved easily.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the utility model collar part structural schematic diagram；

Fig. 3 is the utility model branching rod structure schematic diagram.

In figure: 1 syringe, 2 syringe needles, 3 push rods, 4 rubber stoppers, 5 silica gel hoses, 6 partitions, 7 lantern rings, 8 struts, 9 baffles, 10 connect Connect block, 11 location holes, 12 springs, 13 handle bolts, 14 limit plates, 15 tension springs, 16 rubber blocks, 17 pressing plates.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of disposable empty needle of Anti-stabbing, including syringe 1 With syringe needle 2, it is plugged with push rod 3 inside the syringe 1,3 end of push rod is fixedly connected with to be slidably connected with 1 inner wall of syringe Rubber stopper 4 is socketed with silica gel hose 5 among the push rod 3, increases silica gel hose 5 among push rod 3 for cooperating filling syringe The space of 1 end avoids 1 end space of syringe from entering dust, prevents dust from being brought into inside syringe 1 by rubber stopper 4 in sliding, Medicament is avoided pollution, for the push rod 3 through being connected among partition 6, the partition 6 is fixedly connected on 1 end of syringe, described Syringe needle 2 is plugged on 1 other end of syringe, and 1 side of syringe is socketed with lantern ring 7, runs through among the lantern ring 7 and be connected with strut 8, 8 end of strut is fixedly connected with baffle 9, the through-hole to match with syringe needle 2 is equipped among the baffle 9, in 1 end of syringe Increase lantern ring 7, strut 8 is installed on lantern ring 7,8 end of strut installation baffle 9 prevents syringe needle 2 for protecting syringe needle 2 It is destroyed, link block 10 is plugged with inside the lantern ring 7, be evenly distributed among the strut 8 and the raised phase of link block 10 The location hole 11 matched is equipped with spring 12 inside the lantern ring 7, and 12 upper end of spring is connected to 10 lower end of link block, lantern ring 7 The link block 10 that centre is cooperated by the connection of spring 12 with strut 8,10 end of link block have protrusion for cooperating location hole 11 to block Firmly strut 8 position strut 8, push link block 10, can disconnect the connection of link block 10 and strut 8, be moved easily Strut 8.

Specifically, 7 side of lantern ring is threaded with handle bolt 13, lantern ring 7 is run through in 13 end of handle bolt Side wall, 13 end of handle bolt are connected among the limit plate 14 in 1 outside of syringe, and glue on the inside of the limit plate 14 The rubber pad to match with syringe 1 is posted, limit plate 14 is connected by handle bolt 13, limit plate 14 is used for clamping syringe 1, prevents Only syringe 1 loosens.

Specifically, 8 other end of strut is socketed with tension spring 15,15 end of tension spring is fixed on 7 side of lantern ring, tension spring 15 for connecting strut 8, pulls towards lantern ring 7, maintains the forward strength of strut 8, enables the strut 8 for being equipped with baffle 9 will The protection of syringe needle 2 is got up, and syringe needle 2 is avoided to be destroyed.

Specifically, 9 middle position of baffle is plugged with rubber block 16, the rubber block 16 is located at 2 end side of syringe needle, Rubber block 16 is used to block the hole among baffle 9, prevents from causing syringe needle 2 to contact with other objects because of unexpected extended needle 2.

Specifically, 3 end of push rod is connected with pressing plate 17,17 surface of pressing plate is evenly distributed with non-slip texture, pressing plate 17 push push rod 3 to carry out injection operation for cooperating.

Structural principle: increase the space that silica gel hose 5 is used to cooperate filling 1 end of syringe among push rod 3, avoid syringe 1 end space enters dust, prevents dust from being brought into inside syringe 1 by rubber stopper 4 in sliding, medicament is avoided pollution, in syringe 1 End increases lantern ring 7, and strut 8 is equipped on lantern ring 7, and 8 end of strut installation baffle 9 prevents needle for protecting syringe needle 2 First 2 are destroyed, while the link block 10 cooperated by the connection of spring 12 with strut 8 among lantern ring 7, and 10 end of link block has convex It rises for cooperating location hole 11 to block strut 8, strut 8 is positioned, pushing link block 10 can be by link block 10 and strut 8 connection disconnects, and is moved easily strut 8.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of disposable empty needle of Anti-stabbing, including syringe (1) and syringe needle (2), it is characterised in that: inserted inside the syringe (1) It is connected to push rod (3), push rod (3) end is fixedly connected with the rubber stopper (4) being slidably connected with syringe (1) inner wall, described to push away It is socketed with silica gel hose (5) among bar (3), the push rod (3) is intermediate in partition (6) through being connected with, and the partition (6) is fixed It is connected to syringe (1) end, the syringe needle (2) is plugged on syringe (1) other end, and syringe (1) side is socketed with lantern ring (7), through being connected with strut (8) among the lantern ring (7), strut (8) end is fixedly connected with baffle (9), the gear It is equipped with the through-hole to match with syringe needle (2) among plate (9), is plugged with link block (10), the strut inside the lantern ring (7) (8) intermediate to be evenly distributed with the location hole (11) to match with link block (10) protrusion, spring is installed inside the lantern ring (7) (12), spring (12) upper end is connected to link block (10) lower end.

2. the disposable empty needle of a kind of Anti-stabbing according to claim 1, it is characterised in that: lantern ring (7) side screw thread It is connected with handle bolt (13), lantern ring (7) side wall is run through in handle bolt (13) end.

3. the disposable empty needle of a kind of Anti-stabbing according to claim 2, it is characterised in that: handle bolt (13) end It is intermediate to be connected to the limit plate (14) being located on the outside of syringe (1), and is pasted with and syringe (1) phase on the inside of the limit plate (14) The rubber pad matched.

4. the disposable empty needle of a kind of Anti-stabbing according to claim 1, it is characterised in that: another end cap of the strut (8) It is connected to tension spring (15), tension spring (15) end is fixed on lantern ring (7) side.

5. the disposable empty needle of a kind of Anti-stabbing according to claim 1, it is characterised in that: baffle (9) middle position It is plugged with rubber block (16), the rubber block (16) is located at syringe needle (2) end side.

6. the disposable empty needle of a kind of Anti-stabbing according to claim 1, it is characterised in that: push rod (3) the end connection Have pressing plate (17), pressing plate (17) surface is evenly distributed with non-slip texture.