Search

CN-224220518-U - Power storage mechanism and injector

CN224220518UCN 224220518 UCN224220518 UCN 224220518UCN-224220518-U

Abstract

The utility model relates to the technical field of syringes, in particular to a power storage mechanism and a syringe, comprising a cavity; the movable rod is arranged in the cavity in a sliding manner, the elastic piece is arranged between the movable rod and the inner wall of the cavity, and the power piece can control the movable rod to displace and compress the elastic piece when the movable rod moves. According to the power storage mechanism and the injector, the power storage of the movable rod can be completed by controlling the movable rod to compress the elastic piece through the power piece, when the movable rod is released, the movable rod rapidly moves to be in contact with the piston rod under the elasticity of the elastic piece and drives the piston rod to move, so that the liquid medicine in the medicine storage needle tube is sprayed out, and injection is completed.

Inventors

  • SONG HAI
  • ZHU FUCHUN
  • SHA YINGYING
  • XUE YUE
  • YE SHU

Assignees

  • 江苏乐聚医药科技有限公司

Dates

Publication Date
20260512
Application Date
20250414

Claims (10)

  1. 1. A force accumulating mechanism is characterized by comprising, A cavity (S1); A moving rod (200) slidably disposed between the cavities (S1); an elastic member (300) provided in the movable rod (200) and the inner wall of the cavity (S1); And the power piece (400) can control the moving rod (200) to displace, and the elastic piece (300) is compressed when the moving rod (200) moves.
  2. 2. The power storage mechanism according to claim 1, wherein the end of the movable rod (200) penetrates out of the cavity (S1), and the power member (400) comprises a control part (401) arranged at the end of the movable rod (200); The control unit (401) can pull the movement lever (200) to move the elastic member (300).
  3. 3. The power storage mechanism as set forth in claim 1, wherein the power member (400) includes a long rod (402) slidably disposed in the cavity (S1); Bending parts (403) are arranged at two ends of the long rod (402); one of the bending parts (403) is matched with the movable rod (200), and the other bending part (403) is convenient for controlling the movable rod (402).
  4. 4. The power storage mechanism as set forth in claim 1, wherein the power member (400) includes a long rod (402) rotatably disposed in the cavity (S1); the end part of the long rod (402) is provided with a bending part (403), the bending part (403) is matched with the movable rod (200), and the other end of the long rod (402) is positioned outside the cavity (S1).
  5. 5. The power storage mechanism according to any one of claims 1 to 4, further comprising a limiting member (500), wherein the limiting member (500) comprises a clamping block (501) elastically arranged in the cavity (S1); a groove (201) is arranged on the moving rod (200), The clamping block (501) is matched with the groove (201) in a clamping mode.
  6. 6. The force accumulation mechanism as in claim 5, wherein the clamping block (501) is provided with a containing groove (502); The accommodating groove (502) is used for the moving rod (200) to pass through.
  7. 7. The power storage mechanism as set forth in claim 6, wherein said snap-fit block (501) mates with said power member (400); the power piece (400) is provided with an extrusion part (404); The end part of the clamping block (501) is provided with a pressing surface (503), and the pressing part (404) contacts with the pressing surface (503) when moving to control the clamping block (501) to move and separate from the groove (201).
  8. 8. The power storage mechanism according to any one of claims 1-4, 6 and 7, characterized in that the cavity (S1) is formed by a mounting tube (100), an annular protrusion (101) being provided inside the mounting tube (100); The moving rod (200) is slidably arranged in the annular convex body (101).
  9. 9. An injector, comprising the force accumulating mechanism of claim 8, further comprising; An injection member (600) comprising a drug storage needle tube (601), a piston rod (602) slidably disposed in the drug storage needle tube (601); The medicine storage needle tube (601) is connected with the mounting tube (100), and the moving rod (200) is matched with the piston rod (602).
  10. 10. The injector of claim 9, wherein said drug storage needle tube (601) is threadedly coupled to said mounting tube (100); The moving rod (200) can collide with the piston rod (602) when moving and drive the piston rod (602) to move.

Description

Power storage mechanism and injector Technical Field The utility model relates to the technical field of syringes, in particular to a power storage mechanism and a syringe. Background The needleless injector mainly utilizes the principle of pressure jet flow, generates pressure through an internal pressure device, pushes the liquid medicine in the medicine tube to pass through micropores to form an extremely fine liquid medicine column, so that the liquid medicine instantaneously penetrates the epidermis of a human body to reach the subcutaneous part, and the liquid medicine is absorbed in a dispersion shape with the diameter of 3-5 cm under the skin. The existing needleless injector comprises a battery, a driving motor, a medicine injection mechanism and other mechanisms, the whole volume is large, the use scene is an independent injection space, so that the timely supplement of electric power and medicine liquid is ensured, the injector is inconvenient to carry, and injection can not be performed anytime and anywhere. Disclosure of utility model The present utility model has been made in view of the above-described problems with the conventional power storage mechanism and syringe. It is therefore an object of the present utility model to provide a power accumulating mechanism which is capable of accumulating power in advance for injection into a syringe. In order to solve the technical problems, the utility model provides the following technical scheme that the force storage mechanism comprises a cavity; a moving rod slidably disposed in the cavity; an elastic piece arranged between the moving rod and the inner wall of the cavity; and the power piece can control the displacement of the moving rod, and the elastic piece is compressed when the moving rod moves. As a preferable scheme of the force storage mechanism, the end part of the movable rod penetrates out of the cavity, and the power piece comprises a control part arranged at the end part of the movable rod; the control part can pull the movable rod to move the elastic piece. As a preferable scheme of the power storage mechanism, the power piece comprises a long rod which is arranged in the cavity in a sliding way; Bending parts are arranged at two ends of the long rod; One of the bending parts is matched with the movable rod, and the other bending part is convenient for controlling the movable rod to move. As a preferable scheme of the power storage mechanism, the power piece comprises a long rod rotatably arranged in the cavity; The end part of the long rod is provided with a bending part, the bending part is matched with the movable rod, and the other end of the long rod is positioned outside the cavity. The force storage mechanism comprises a cavity, a force storage mechanism and a limiting piece, wherein the force storage mechanism comprises a clamping block which is elastically arranged in the cavity; The moving rod is provided with a groove, The clamping block is matched with the groove in a clamping way. As a preferable scheme of the force storage mechanism, the clamping block is provided with a containing groove; The accommodating groove is used for the moving rod to pass through. As a preferable scheme of the force storage mechanism, the clamping block is matched with the power piece; the power piece is provided with an extrusion part; The end part of the clamping block is provided with an extrusion surface, and the extrusion part is contacted with the extrusion surface when moving to control the clamping block to move and separate from the groove. As a preferable scheme of the force storage mechanism, the cavity is formed by a mounting pipe, and an annular convex body is arranged inside the mounting pipe; The moving rod is arranged in the annular convex body in a sliding manner. The force storage mechanism has the beneficial effects that the power piece is used for controlling the movable rod to move, the elastic piece is compressed in the moving process of the movable rod, so that the force storage process is completed, and the movable rod is driven to move rapidly when the elastic piece is released. It is therefore another object of the present utility model to provide a syringe which is capable of storing force for injection in advance, thereby facilitating injection at any time and any place. In order to solve the technical problems, the utility model provides the following technical scheme that the injector comprises the force storage mechanism and also comprises a force storage mechanism; The injection piece comprises a medicine storage needle tube and a piston rod arranged in the medicine storage needle tube in a sliding manner; The medicine storage needle tube is connected with the mounting tube, and the moving rod is matched with the piston rod. As a preferable scheme of the injector, the medicine storage needle tube is in threaded connection with the mounting tube; The moving rod can collide with the piston rod and drive the pist