CN219127691U

CN219127691U - Simple small plastic needle puncture outfit assembly

Info

Publication number: CN219127691U
Application number: CN202222685634.8U
Authority: CN
Inventors: 吴成
Original assignee: Xuzhou Yijia Medical Devices Co ltd
Current assignee: Xuzhou Yijia Medical Devices Co ltd
Priority date: 2022-10-12
Filing date: 2022-10-12
Publication date: 2023-06-06
Anticipated expiration: 2032-10-12

Abstract

The utility model discloses a simple small plastic needle puncture outfit component, which relates to the technical field of medical instruments and comprises a small plastic needle body, wherein one end of the small plastic needle body is provided with a small plastic needle protective cap, the side surface of the small plastic needle body is provided with an air inlet groove, the needle handle of the base of the small plastic needle body adopts the design of a groove cavity, a ventilated membrane material is welded in the groove of the small plastic needle body, a circular groove cavity is arranged in the air inlet groove, the small plastic needle protective cap is sleeved at one end of the small plastic needle body with a needle point, the production process of the small plastic needle body adopts unstable production processes such as no heating, bonding, adhesion and the like, the quality stability of injection molding parts is improved and improved after simplification, and as the puncture outfit is integrally injection molded, liquid medicine can not leak due to pressure, temperature and other conditions, the waste of liquid medicine is effectively prevented, the method is simple and practical, the function is stable, the synthesis performance of membrane material inside the small plastic needle body is firm, the appearance of glue is improved compared with the original product.

Description

Simple small plastic needle puncture outfit assembly

Technical Field

The utility model relates to the technical field of medical appliances, in particular to a simple small plastic needle puncture outfit assembly.

Background

At present, when clinical intravenous transfusion in the medical field, a disposable transfusion system is generally adopted, the air inlet function of the small plastic needle puncture outfit type of the transfusion system is generally realized by externally connecting an air inlet device component, the air inlet device component realizes the switch of the air inlet function through the switch of an air inlet seat, the transfusion system of the type has a complex structure and is not beneficial to the operation of medical staff, and therefore, the small plastic needle puncture outfit component is simple.

Disclosure of Invention

The utility model aims to provide a simple small plastic needle puncture outfit assembly so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a simple and easy little needle puncture ware subassembly that moulds, includes little needle body of moulding, the one end of little needle body of moulding is provided with little needle protection cap, and the side of little needle body of moulding is provided with the air inlet tank, and the base needle handle department of little needle body of moulding adopts the design of recess die cavity, welds ventilated membrane material in the recess of little needle body of moulding, and the inside of air inlet tank is provided with circular recess die cavity, and little needle protection cap cup joints the one end that has the needle point at little needle body of moulding.

The small plastic needle body is made of ABS material, the ventilated membrane arranged in the small plastic needle body is made of glass fiber material, the small plastic needle protective cap is made of PE material, the base of the small plastic needle body and the glass fiber membrane material are formed by hot welding, a circular groove with the diameter of millimeter is formed in the base of the small plastic needle body, an air inlet groove is formed in the circular groove in the base of the small plastic needle body, and the air inlet groove is communicated with the main liquid path of the puncture outfit.

Preferably, the outer surface of the small plastic needle body is movably connected with a fixing device, the fixing device comprises a lantern ring, a positioning ring is arranged in the lantern ring, a knob is arranged at the top of the positioning ring, and a clamping ring is arranged in the knob.

The end of the small plastic needle body with the needle point passes through the clamping ring and then is positioned in the lantern ring, the inner wall of the clamping ring is movably connected with the outer surface of the small plastic needle body, and the lantern ring is sleeved outside the opening of the infusion bottle.

Preferably, the inner wall of the clamping ring is clamped with the outer surface of the small plastic needle body, the outer surface of the clamping ring is movably connected with the inner wall of the positioning ring and the inner wall of the knob, and the middle part of the lower surface of the knob is fixedly connected with the upper surface of the positioning ring.

The lantern ring is hollow cylinder with limit groove, the positioning ring is cylinder with screw thread on inner wall, the knob is cylinder with small hole, the clasp is cylinder with screw thread on outer surface, screw thread on outer surface of clasp is matched with screw thread on inner wall of positioning ring, outer surface of positioning ring is movably connected with inner wall of lantern ring.

Preferably, the inner wall fixedly connected with fixed block of lantern ring, the middle part swing joint of fixed block has the clamping lever, the top fixedly connected with spring of clamping lever.

The fixed block is the cuboid clamping rod that has the rectangular channel for the bottom is provided with the bellied cuboid of cambered surface, the one end of spring and the inner wall fixed connection of lantern ring, the other end of spring and one side fixed connection of clamping rod, the middle part of clamping rod is located the rectangular channel inside of fixed block, and the clamping rod has bellied one end to contact with the bottleneck of infusion bottle, and clamping rod, spring, fixed block and short column are a set of, the inside of lantern ring sets up evenly and is provided with three groups.

Preferably, the middle part fixedly connected with short column of fixed block, the bottom fixedly connected with spacing ring of holding ring.

The short column is a cylinder, the limiting ring is a flat cylinder, two ends of the short column are fixedly connected with the inner wall of the fixed block, the outer surface of the short column is movably connected with the middle part of the clamping rod, and the clamping rod can rotate around the outer surface of the short column.

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

(1) The simple small plastic needle puncture outfit component adopts unstable production processes such as no heating, bonding, adhesion and the like, so that the quality stability of injection molding parts is improved and improved after simplification, and because the puncture outfit is integrally injection molded, liquid medicine can not leak due to pressure, temperature and other conditions, the liquid medicine is effectively prevented from being wasted, and the simple small plastic needle puncture outfit component can be directly operated by hands, is simple and practical, has stable functions, firm thermal welding synthesis performance of membrane materials in the small plastic needle, glue bonding risk and higher grade than the appearance of the original product.

(2) This simple and easy little plastic needle puncture ware subassembly inserts the inside of snap ring with little plastic needle body, makes the little plastic needle body pass the inside that is located the lantern ring behind the snap ring, promotes the lantern ring, and the lantern ring drives the grip lever and removes, makes the grip lever have bellied one end of cambered surface along the bottleneck of liquid medicine bottle remove, blocks the bottleneck of grip lever and liquid medicine bottle through the elasticity of spring to avoid patient to stand up, the activity, like lavatory, dining etc. reasons, the transfusion system drops from the infusion bottle.

(3) This simple and easy little plastic needle puncture ware subassembly, through rotatory knob, the knob drives the holding ring rotation, makes the screw thread of holding ring inner wall and the screw thread of snap ring surface cooperate, makes the snap ring along the vertical removal of inner wall of holding ring to drive little plastic needle body and remove, make the syringe needle of little plastic needle body insert inside the liquid medicine bottle, thereby need not medical personnel just can insert the inside of liquid medicine bottle with little plastic needle body with very big strength, the medical personnel of being convenient for use.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a fixing device according to the present utility model;

FIG. 3 is a schematic cross-sectional view of the fixing device of FIG. 2 according to the present utility model.

In the figure: 1. a small plastic needle body; 2. an air inlet groove; 3. a small plastic needle protective cap; 4. a fixing device; 401. a collar; 402. a positioning ring; 403. a knob; 404. a clasp; 405. a clamping rod; 406. a spring; 407. a fixed block; 408. a short column; 409. and a limiting ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1, the present utility model provides a technical solution: the utility model provides a simple and easy little needle puncture ware subassembly that moulds, is including little moulding needle body 1, the one end of little moulding needle body 1 is provided with little moulding needle protection cap 3, and the side of little moulding needle body 1 is provided with air inlet tank 2, and the base needle handle department of little moulding needle body 1 adopts the design of recess die cavity, welds ventilated membrane material in the recess of little moulding needle body 1, and air inlet tank 2's inside is provided with circular recess die cavity, and little moulding needle protection cap 3 cup joints the one end that has the needle point at little moulding needle body 1.

The small plastic needle body 1 is made of ABS material, the ventilated membrane arranged inside the small plastic needle body 1 is made of glass fiber material, the small plastic needle protective cap 3 is made of PE material, the base of the small plastic needle body 1 and the glass fiber membrane material are formed by thermal welding, a circular groove with the diameter of 7 mm is formed in the base of the small plastic needle body 1, an air inlet groove 2 is formed in the circular groove of the base of the small plastic needle body 1, the air inlet groove 2 is communicated with the main liquid path of the puncture outfit, the small plastic needle protective cap 3 is pulled out from one end of the needle body 11, then the needle head of the small plastic needle body 1 is inserted into the infusion bottle, and then the air inlet groove 2 arranged in the small plastic needle body 1 can realize the air inlet function without opening an air inlet seat.

Example 2

On the basis of embodiment 1, referring to fig. 2-3, a fixing device 4 is movably connected to the outer surface of the small plastic needle body 1, the fixing device 4 comprises a collar 401, a positioning ring 402 is arranged in the collar 401, a knob 403 is arranged at the top of the positioning ring 402, and a clamping ring 404 is arranged in the knob 403.

One end of the small plastic needle body 1 with a needle point passes through the clamping ring 404 and then is positioned in the lantern ring 401, the inner wall of the clamping ring 404 is movably connected with the outer surface of the small plastic needle body 1, and the lantern ring 401 is sleeved outside the infusion bottle mouth.

The inner wall of snap ring 404 and the outer surface joint of little plastic needle body 1, the outer surface of snap ring 404 and the inner wall swing joint of holding ring 402 and knob 403, the lower surface middle part of knob 403 and the upper surface fixed connection of holding ring 402.

The lantern ring 401 is hollow cylinder with limit groove, the positioning ring 402 is cylinder with screw thread on inner wall, the knob 403 is cylinder with small hole, the clasp 404 is cylinder with screw thread on outer surface, screw thread on outer surface of clasp 404 is matched with screw thread on inner wall of positioning ring 402, outer surface of positioning ring 402 is movably connected with inner wall of lantern ring 401.

The inner wall fixedly connected with fixed block 407 of lantern ring 401, the middle part swing joint of fixed block 407 has clamping lever 405, and the top fixedly connected with spring 406 of clamping lever 405.

The fixed block 407 is a cuboid with a rectangular groove, the bottom of the cuboid clamping rod 405 is provided with a cambered surface bulge, one end of the spring 406 is fixedly connected with the inner wall of the lantern ring 401, the other end of the spring 406 is fixedly connected with one side of the clamping rod 405, the middle part of the clamping rod 405 is positioned in the rectangular groove of the fixed block 407, one end of the clamping rod 405 with the bulge is contacted with the bottle mouth of the infusion bottle, the clamping rod 405, the spring 406, the fixed block 407 and the short column 408 are in a group, and three groups are uniformly arranged in the lantern ring 401.

The middle part of the fixed block 407 is fixedly connected with a short column 408, and the bottom of the positioning ring 402 is fixedly connected with a limiting ring 409.

The short column 408 is a cylinder, the limiting ring 409 is a flat cylinder, two ends of the short column 408 are fixedly connected with the inner wall of the fixed block 407, the outer surface of the short column 408 is movably connected with the middle part of the clamping rod 405, the clamping rod 405 can rotate around the outer surface of the short column 408, the small plastic needle body 1 is inserted into the clamping ring 404, the small plastic needle body 1 passes through the clamping ring 404 and then is positioned in the lantern ring 401, the lantern ring 401 is pushed, the lantern ring 401 drives the clamping rod 405 to move, one end of the clamping rod 405 with a cambered surface bulge moves along the bottleneck of a liquid medicine bottle, the clamping rod 405 is clamped with the bottleneck of the liquid medicine bottle through the elasticity of the spring 406, the knob 403 is rotated, the knob 403 drives the positioning ring 402 to rotate, threads on the inner wall of the positioning ring 402 are matched with threads on the outer surface of the clamping ring 404, the clamping ring 404 is vertically moved along the inner wall of the positioning ring 402, and the needle body 1 is driven to move, and the needle head of the small plastic needle body 1 is inserted into the liquid medicine bottle.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a simple and easy little plastic needle puncture ware subassembly, includes little plastic needle body (1), its characterized in that: the novel plastic needle is characterized in that one end of the small plastic needle body (1) is provided with a small plastic needle protection cap (3), the side face of the small plastic needle body (1) is provided with an air inlet groove (2), a base needle handle of the small plastic needle body (1) adopts a groove cavity design, an air-permeable membrane material is welded in a groove of the small plastic needle body (1), the inside of the air inlet groove (2) is provided with a circular groove cavity, and the small plastic needle protection cap (3) is sleeved at one end of the small plastic needle body (1) with a needle point.

2. The simple small plastic needle penetrator assembly of claim 1, wherein: the outer surface of the small plastic needle body (1) is movably connected with a fixing device (4), the fixing device (4) comprises a lantern ring (401), a positioning ring (402) is arranged in the lantern ring (401), a knob (403) is arranged at the top of the positioning ring (402), and a clamping ring (404) is arranged in the knob (403).

3. The simple small plastic needle penetrator assembly of claim 2, wherein: the inner wall of snap ring (404) and the surface joint of little plastic needle body (1), the surface of snap ring (404) and the inner wall swing joint of holding ring (402) and knob (403), the lower surface middle part and the upper surface fixed connection of holding ring (402) of knob (403).

4. The simple small plastic needle penetrator assembly of claim 2, wherein: the inner wall fixedly connected with fixed block (407) of lantern ring (401), the middle part swing joint of fixed block (407) has clamping lever (405), the top fixedly connected with spring (406) of clamping lever (405).

5. The simple small plastic needle penetrator assembly as set forth in claim 4, wherein: the middle part of fixed block (407) is fixedly connected with short column (408), and the bottom of holding ring (402) is fixedly connected with spacing ring (409).