CN213526872U

CN213526872U - Pre-filled injection pen convenient to adjust

Info

Publication number: CN213526872U
Application number: CN202021470280.XU
Authority: CN
Inventors: 林俊国; 林俊金; 骆敏; 柯清峰
Original assignee: Shenzhen Lvxing Technology Co ltd
Current assignee: Shenzhen Lvxing Technology Co ltd
Priority date: 2020-07-23
Filing date: 2020-07-23
Publication date: 2021-06-25
Anticipated expiration: 2030-07-23

Abstract

The utility model discloses a pre-filled injection pen convenient to adjust, which comprises a pen container, a needle head and a rubber plug, the bottom end of the pen container is connected with a needle in a plugging manner, a rubber plug is arranged in the pen container and is in sliding connection, the upper surface of the rubber plug is fixedly connected with a threaded push rod, the surface of the threaded push rod is sprayed with first scale marks, and a limit ring is sleeved outside the threaded push rod, the inner wall of the limit ring is fixedly connected with an internal threaded sleeve, the outer wall of the limiting ring is symmetrically provided with arc plates, the top end of the threaded push rod is fixedly connected with a pressing plate, the lower surface of the pressing plate is fixedly connected with a guide rod at a position close to the side wall, the limiting ring is sleeved outside the threaded push rod, the limiting ring is rotated relative to the threaded push rod, the position of the limiting ring can be adjusted at a low speed, the dosage number is limited, the guide rod is matched with the sliding block for use, the dosage number can be adjusted at a high speed, and the use is more convenient.

Description

Pre-filled injection pen convenient to adjust

Technical Field

The utility model relates to a medicine injection auxiliary device technical field specifically is a prefill injection pen convenient to adjust.

Background

Insulin is a protein hormone secreted by the beta cells of the islets of langerhans in the pancreas stimulated by endogenous or exogenous substances such as glucose, lactose, ribose, arginine, glucagon, etc. Insulin is the only hormone in the body which reduces blood sugar and promotes the synthesis of glycogen, fat and protein. Exogenous insulin is mainly used for treating diabetes.

However, existing pre-filled injection pens have the following disadvantages:

the mechanism of the prefilled injection pen is single, and when injecting insulin, the quantitative injection is not convenient, and the use effect is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prefill injection pen convenient to adjust to current being used for prefill injection pen among the solution above-mentioned background art, prefill injection pen's mechanism is single, and when injecting insulin, the ration injection of being not convenient for reduces the problem of result of use.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a prefill injection pen convenient to adjust, includes pen container, syringe needle and rubber buffer, pen container bottom plug connecting pin, pen container internally mounted rubber buffer just is sliding connection, fixed surface connects the screw thread push rod on the rubber buffer, the first scale mark of screw thread push rod surface spraying, and the outside cover of screw thread push rod is equipped with the spacing ring, spacing ring inner wall fixed connection internal thread sleeve, spacing ring outer wall symmetry installation circular arc board, screw thread push rod top fixed connection clamp plate, the clamp plate lower surface is close to lateral wall fixed connection guide bar, overlaps through the outside cover of screw thread push rod and is equipped with the spacing ring, and relative screw thread push rod rotates the spacing ring, can use the position of slow speed regulation spacing ring, prescribes a limit to the dose number, uses through guide bar cooperation slider, and the quick adjustment dose number of being convenient for, and it is more convenient to.

Preferably, the bottom end of the guide rod is in threaded connection with the limiting cap, a linear hole is formed in the surface of the guide rod, a polished rod is fixedly connected inside the linear hole, a sliding block is sleeved outside the polished rod, a convex block is fixedly connected to the surface of the sliding block, grooves are uniformly formed in the side wall of the linear hole, identification lines are fixedly connected to the surface of the guide rod, the guide rod is matched with the sliding block to be used, the mode of quickly positioning insulin dosage is achieved, the interval between the identification lines is large, five milliliters can be used as the interval between the adjacent identification lines, the sliding block is pushed to slide along the polished rod during adjustment, the sliding block is rotated after the sliding to the corresponding dosage number, the convex block is inserted into the corresponding groove, when the pressing plate is pushed, the convex block is moved to the handle to be limited, and the injection process is finished.

Preferably, the handles are fixedly connected to the positions, close to the opening ends, of the two side walls of the pen container, the guide rods penetrate through one of the handles and are in sliding connection, and the guide rods are guided and limited through the handles.

Preferably, the metal ring is fixedly connected to the position, close to the bottom end, of the outer wall of the pen container, the metal ring is matched with the end cover for use, the magnetic block is mounted inside the end cover, when the end cover is inserted into the pen container in an opposite mode, the magnetic block of the end cover is fixed on the surface of the metal ring outside the pen container in a magnetic attraction mode, the magnetic attraction fixation is achieved, a user can conveniently insert and pull the end cover, and the.

Preferably, the pen container bottom end is magnetically attracted to be connected with the end cover, the rubber pad is thermally bonded on the outer wall of the end cover, the magnetic block is embedded in the position, close to the opening end, of the inner wall of the end cover, the magnetic block is matched with the end cover through the metal ring for use, the magnetic block is installed inside the end cover, and when the end cover is inserted into the pen container in an opposite mode, the magnetic block of the end cover is magnetically attracted to be fixed on the surface of the metal ring outside the pen container.

Preferably, the end cover is inserted at the bottom end of the pen container, and the end cover is convenient for protecting the needle head of the pen container.

The utility model provides a prefill injection pen convenient to adjust possesses following beneficial effect:

(1) the utility model discloses an outside cover of screw thread push rod is equipped with the spacing ring, and relative screw thread push rod rotates the spacing ring, can use the position of slow speed regulation spacing ring, prescribes a limit to the dosage number.

(2) The utility model discloses a guide bar cooperation slider uses, and the quick adjustment dosage amount of being convenient for uses more conveniently.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a pre-filled injection pen with easy adjustment according to the present invention;

fig. 2 is a schematic diagram of an end cap of a pre-filled injection pen with easy adjustment according to the present invention;

fig. 3 is a schematic structural view of a guide rod of a pre-filled injection pen convenient to adjust according to the present invention;

fig. 4 is a schematic diagram of a limiting ring of the pre-filled injection pen of the present invention, which is easy to adjust.

In the figure: 1. a pen container; 2. a needle head; 3. an end cap; 301. a rubber pad; 302. a magnetic block; 4. a metal ring; 5. a rubber plug; 6. a threaded push rod; 601. a first scale mark; 602. pressing a plate; 7. a limiting ring; 701. an internally threaded sleeve; 702. a circular arc plate; 8. a guide bar; 801. a limiting cap; 802. a slotted hole; 803. a polish rod; 804. a slider; 805. a bump; 806. a groove; 807. marking a line; 9. a handle.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1-4, the utility model provides a technical solution: the utility model provides a prefill injection pen convenient to adjust, includes pen container 1, syringe needle 2 and rubber buffer 5, pen container 1 bottom plug

connection syringe needle

2, 1 internally mounted rubber buffer 5 of pen container just is sliding connection, fixed surface connects screw thread push rod 6 on the rubber buffer 5, screw thread push rod 6 surface spraying first scale mark 601, and the outside cover of screw thread push rod 6 is equipped with spacing ring 7, spacing ring 7 inner wall fixed connection internal thread sleeve 701, spacing ring 7 outer wall symmetry installation circular arc board 702, screw thread push rod 6 top fixed connection clamp plate 602, the clamp plate 602 lower surface is close to lateral wall position fixed connection guide bar 8, overlaps through screw thread push rod 6 outside and is equipped with spacing ring 7, relative screw thread push rod 6 rotates spacing ring 7, can use the position of slow speed adjusting spacing ring 7 promptly, prescribes a limit to the dosage, uses through 8 cooperation sliders 804 of guide bar, the dosage can be quickly adjusted, the use is more convenient, and the use effect is improved.

The bottom end of the guide rod 8 is spirally connected with a limiting cap 801, the surface of the guide rod 8 is provided with a linear hole 802, the linear hole 802 is fixedly connected with a polish rod 803, a sliding block 804 is sleeved outside the polish rod 803, the surface of the sliding block 804 is fixedly connected with a bump 805, grooves 806 are uniformly distributed on the side wall of the linear hole 802, the surface of the guide rod 8 is fixedly connected with identification lines 807, the guide rod 8 is matched with the sliding block 804 for use, the method is a mode for quickly positioning insulin dosage, the interval between the identification lines 807 is large, five milliliters are the interval between adjacent identification lines 807, when the adjustment is carried out, the sliding block 804 is pushed to slide along the polish rod 803, after the sliding block 804 slides to the corresponding dosage number, the sliding block 804 is rotated to insert the bump 805 into the corresponding groove 806, when the pressing plate 602 is pushed, the bump 805 moves to the handle 9 and is limited, and the injection process is.

The handle 9 is fixedly connected to the positions, close to the opening end, of the two side walls of the pen container 1, the guide rod 8 penetrates through one of the handles 9 and is in sliding connection, and the guide rod 8 is guided and limited through the handle 9.

The outer wall of the pen container 1 is close to the bottom end position and is fixedly connected with the metal ring 4, the metal ring 4 is matched with the end cover 3 for use, the magnetic block 302 is mounted inside the end cover 3, when the end cover 3 is inserted into the pen container 1 relatively, the magnetic block 302 of the end cover 3 is fixed on the surface of the metal ring 4 outside the pen container 1 in a magnetic attraction mode, the magnetic attraction fixation is achieved, a user can insert and pull the end cover 3 conveniently, and the using effect is improved.

The pen container 1 bottom magnetism is inhaled and is connected

end cover

3, 3 outer walls of end cover heat veneer has

rubber pad

301, 3 inner walls of end cover are close to open end position and are inlayed magnetic path 302, use through metal ring 4

cooperation end cover

3, 3 internally mounted magnetic paths 302 of end cover, when relative pen container 1 grafting end cover 3, the magnetic path 302 magnetism of end cover 3 is inhaled and is fixed on the metal ring 4 surface of pen container 1 outside, has realized magnetism and has inhaled fixedly, convenience of customers plug end cover 3, improves the result of use.

The end cover 3 is inserted at the bottom end of the pen container 1, and the end cover 3 is convenient for protecting the needle head 2 of the pen container 1.

It should be noted that, when the prefilled injection pen is operated, the guide rod 8 is used in cooperation with the slider 804, which is a way to quickly position the insulin dosage, the distance between the marking lines 807 is large, and may be five milliliters, which is the interval between adjacent marking lines 807, when the prefilled injection pen is adjusted, the slider 804 is pushed to slide along the polish rod 803, when the prefilled injection pen slides to the corresponding dosage number, the slider 804 is rotated to insert the projection 805 inside the corresponding groove 806, when the pressure plate 602 is pushed, the projection 805 moves to the handle 9 and is limited, and the injection process is ended; the surface of the threaded push rod 6 is sprayed with first scale marks 601, the outer part of the threaded push rod 6 is sleeved with a limiting ring 7, the inner wall of the limiting ring 7 is fixedly connected with an internal threaded sleeve 701, the outer wall of the limiting ring 7 is symmetrically provided with arc plates 702, the limiting ring 7 rotates relative to the threaded push rod 6, and the position of the limiting ring 7 is adjusted at a low speed accurately, so that the dosage is limited, and the using effect is improved; the outer wall of the pen container 1 is close to the bottom end position and fixedly connected with the metal ring 4, the bottom end of the pen container 1 is magnetically attracted to be connected with the end cover 3, the outer wall of the end cover 3 is thermally glued with the rubber pad 301, the inner wall of the end cover 3 is close to the open end position and is inlaid with the magnetic block 302, the metal ring 4 is matched with the end cover 3 for use, the magnetic block 302 is mounted inside the end cover 3, when the end cover 3 is inserted into the pen container 1 relatively, the magnetic block 302 of the end cover 3 is magnetically attracted to be fixed on the surface of the metal ring.

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

Claims

1. The utility model provides a prefill injection pen convenient to adjust, includes pen container (1), syringe needle (2) and rubber buffer (5), pen container (1) bottom plug connection syringe needle (2), pen container (1) internally mounted rubber buffer (5) just are sliding connection, its characterized in that: fixed surface connects threaded push rod (6) on rubber buffer (5), threaded push rod (6) surface coating first scale mark (601), and the outside cover of threaded push rod (6) is equipped with spacing ring (7), spacing ring (7) inner wall fixed connection internal thread sleeve (701), spacing ring (7) outer wall symmetry installation circular arc board (702), threaded push rod (6) top fixed connection clamp plate (602), clamp plate (602) lower surface is close to lateral wall fixed connection guide bar (8).

2. A pre-filled injection pen facilitating adjustment according to claim 1, characterized in that: the guide rod (8) bottom end screwed connection limit cap (801), a style of calligraphy hole (802) has been seted up on guide rod (8) surface, the inside fixed connection polished rod (803) in a style of calligraphy hole (802), outside cover of polished rod (803) is equipped with slider (804), slider (804) fixed surface connects lug (805), a style of calligraphy hole (802) lateral wall equipartition is fluted (806), guide rod (8) fixed surface connects identification line (807).

3. A pre-filled injection pen facilitating adjustment according to claim 1, characterized in that: the pen container is characterized in that handles (9) are fixedly connected to the positions, close to the opening, of the two side walls of the pen container (1), and the guide rod (8) penetrates through one of the handles (9) and is in sliding connection.

4. A pre-filled injection pen facilitating adjustment according to claim 1, characterized in that: the outer wall of the pen container (1) is fixedly connected with a metal ring (4) at a position close to the bottom end.

5. A pre-filled injection pen facilitating adjustment according to claim 1, characterized in that: the pen container is characterized in that the bottom end of the pen container (1) is connected with the end cover (3) in a magnetic absorption mode, a rubber pad (301) is thermally glued on the outer wall of the end cover (3), and a magnetic block (302) is embedded in the position, close to the opening, of the inner wall of the end cover (3).

6. A pre-filled injection pen facilitating adjustment according to claim 5, characterized in that: the end cover (3) is inserted at the bottom end of the pen container (1).