Pre-filling needle plugging mechanism convenient for specification replacement

Abstract

The utility model belongs to the field of pre-filling needle plugging, and particularly relates to a pre-filling needle plugging mechanism convenient for specification replacement, which comprises a plug pressing needle and a mounting seat, the outer wall of the mounting seat is fixedly connected with a support frame, the top of the support frame is fixedly connected with a placing seat, the placing seat is provided with a plugging structure, the plugging structure comprises a suction cup sleeve, and the suction cup sleeve is fixedly connected with the plug pressing needle. A suction cup sleeve is inserted into the inner wall of the containing base, a mounting block is detachably connected to the top of the containing base, a guide plug pipe is inserted into the inner wall of the mounting block, a fixing piece is detachably connected to the top of the mounting block, a mounting plate is fixedly connected to the top of the mounting block, and a containing groove is formed in the mounting plate. And an avoiding groove is formed in the mounting plate. According to the pre-filling needle plugging mechanism facilitating specification replacement, through the arrangement of the mounting block, the fixing piece, the plug guide pipe, the O-shaped sealing ring and other structures, when rubber plugs of different specifications are replaced, operation is easy, convenient and rapid, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pre-filled needle plugging, in particular to a pre-filled needle plugging mechanism which is convenient for changing specifications. Background Art

[0002] With the continuous development and advancement of medical technology, prefilled syringes, as an extremely convenient and safe form of drug packaging, are becoming increasingly popular in the medical field. Prefilled syringes ensure accurate drug dosage, reduce drug waste and contamination, and are also convenient for patients to use and improve treatment compliance.

[0003] Currently, during the process of prefilled syringe stoppering, it is often necessary to replace stoppers and bottles of different specifications according to different needs. However, the stoppering mechanism in the existing technology is cumbersome and inefficient when changing specifications. In view of this, we propose a prefilled syringe stoppering mechanism that facilitates the change of specifications. Utility Model Content

[0004] The main purpose of the utility model is to provide a pre-filled needle plugging mechanism that is easy to change specifications and can solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned object, the present invention proposes a prefilled needle plugging mechanism that is easy to change specifications, including a plugging needle and a mounting seat. The outer wall of the mounting seat is fixedly connected to a support frame, and the top of the support frame is fixedly connected to a placement seat. The placement seat is provided with a plugging structure, and the plugging structure includes:

[0006] Suction cup cover, the inner wall of the placement seat is plugged with a suction cup cover;

[0007] A mounting block, the top of the placement seat is detachably connected to the mounting block;

[0008] A guide plug tube is inserted into the inner wall of the mounting block;

[0009] A fixing plate is detachably connected to the top of the mounting block.

[0010] Preferably, a mounting plate is fixedly connected to the top of the mounting block, a placement groove is provided on the mounting plate, an avoidance groove is provided on the mounting plate, the placement groove is used to place the rubber plug, the avoidance groove is used to avoid the fixing plate, and the placement seat is connected to the mounting block by bolts.

[0011] Preferably, a suction cup joint is fixedly connected to the bottom of the mounting block, an inner cavity is provided on the mounting block, a vacuum exhaust hole is provided on the mounting block, the inner cavity is connected to the vacuum exhaust hole and the suction cup joint, and the suction cup sleeve can adsorb the guide plug tube through the vacuum exhaust hole and the suction cup joint, thereby providing a function of fixing the guide plug tube.

[0012] Preferably, a groove 1 is provided on the top of the mounting block, a through hole is provided at the bottom of the groove 1, the through hole is communicated with the inner cavity, and an O-ring is provided on the inner wall of the groove 1.

[0013] Preferably, a boss is provided on the guide tube, and the guide tube is plugged into the inner wall of groove one. A rubber plug is provided inside the guide tube. The boss on the guide tube and the design of being plugged into groove one help to accurately install the guide tube and ensure that the rubber plug can smoothly enter the bottle.

[0014] Preferably, a suction cup connector is plugged into the top of the suction cup sleeve, a placement opening is provided on one side of the placement seat, and a second groove is provided on the top of the placement seat. The placement opening facilitates placing the bottle into the placement seat, and the second groove is used to limit the position of the bottle opening to prevent the bottle from moving when plugging.

[0015] The utility model provides a prefilled needle plugging mechanism that is easy to change specifications. It has the following beneficial effects:

[0016] (1) The prefilled needle plugging mechanism, which is easy to change specifications, is easy and quick to operate when replacing rubber plugs of different specifications through the provided mounting block, fixing plate, plug guide tube and O-ring, thereby improving production efficiency.

[0017] (2) The prefilled needle plugging mechanism, which is easy to change specifications, can adapt to the fixing requirements of bottles of different sizes through the plug-in design of the suction cup sleeve and the replaceable placement seat, thereby increasing the versatility of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0019] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the exploded structure of the mounting plate and the fixing plate of the utility model;

[0021] Figure 3 This is a schematic diagram of the cross-sectional structure of the mounting block and the guide plug tube of the utility model;

[0022] Figure 4 This is a schematic diagram of the structure of the utility model Figure 2 A is an enlarged schematic diagram.

[0023] Explanation of the accompanying numbers: 1. Plug pressing needle; 2. Mounting seat; 3. Support frame; 4. Placement seat; 5. Plug adding structure; 51. Suction cup sleeve; 52. Mounting block; 53. Plug guide tube; 54. Fixing plate; 55. Mounting plate; 6. Placement groove; 7. Avoidance groove; 8. Suction cup joint; 9. Vacuum extraction hole; 10. Groove 1; 11. O-ring; 12. Rubber plug.

[0024] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] See also Figures 1-4 The utility model proposes a prefilled needle plugging mechanism which is convenient for changing specifications, comprising a plugging needle 1 and a mounting seat 2. The outer wall of the mounting seat 2 is fixedly connected to a support frame 3, the top of the support frame 3 is fixedly connected to a placement seat 4, a plugging structure 5 is provided on the placement seat 4, the plugging structure 5 comprises a suction cup sleeve 51, the inner wall of the placement seat 4 is plugged with a suction cup sleeve 51, the top of the placement seat 4 is detachably connected to a mounting block 52, the inner wall of the mounting block 52 is plugged with a plug guide tube 53, and the top of the mounting block 52 is detachably connected to a fixing plate 54.

[0027] In the present utility model, the top of the mounting block 52 is fixedly connected with a mounting plate 55, a placement groove 6 is provided on the mounting plate 55, and an avoidance groove 7 is provided on the mounting plate 55. The placement groove 6 is used to place the rubber plug 12, which is used for preparing the rubber plug 12 in advance, and the avoidance groove 7 is used to avoid the fixing plate 54. The placement seat 4 is connected to the mounting block 52 by bolts, the mounting block 52 is connected to the fixing plate 54 by bolts, the mounting plate 55 is connected to the mounting block 52 by bolts, and the bottom of the mounting block 52 is fixedly connected with a suction cup joint 8. An inner cavity is provided on the mounting block 52, and a vacuum exhaust hole 9 is provided on the mounting block 52. The inner cavity is connected with the vacuum exhaust hole 9 and the suction cup joint 8. Through the vacuum exhaust hole 9 and the suction cup joint 8, the suction cup sleeve 51 can adsorb the guide plug tube 53, thereby providing a fixed guide plug tube 53.

[0028] Furthermore, a groove 10 is provided on the top of the mounting block 52, a through hole is provided at the bottom of the groove 10, the through hole is communicated with the inner cavity, an O-ring 11 is provided on the inner wall of the groove 10, a boss is provided on the guide plug tube 53, the guide plug tube 53 is plugged into the inner wall of the groove 10, a rubber plug 12 is provided inside the guide plug tube 53, the boss on the guide plug tube 53 and the design of being plugged into the groove 10 help to accurately install the guide plug tube 53 and ensure that the rubber plug 12 can smoothly enter the bottle.

[0029] Furthermore, a suction cup connector 8 is plugged into the top of the suction cup sleeve 51, a placement opening is provided on one side of the placement seat 4, and a groove 2 is provided on the top of the placement seat 4. The placement opening facilitates the placement of the bottle into the placement seat 4, and the groove 2 is used to limit the position of the bottle opening to prevent the bottle from moving when plugging.

[0030] During use, the fixing piece 54 is fixedly connected to the mounting block 52 by bolts. When plugging rubber plugs 12 of different sizes, the fixing piece 54 can be removed from the mounting block 52 with a tool. At this time, the guide plug tube 53 can be taken out for replacement. After the replacement is completed, the guide plug tube 53 is placed on the O-ring 11 and the boss of the guide plug tube 53 is limited by the fixing piece 54 so that the guide plug tube 53 is fixed on the mounting block 52. The replacement of the guide plug tube 53 is completed quickly, making the replacement of rubber plugs 12 of different specifications simple and fast, thereby improving production efficiency.

[0031] At the same time, the suction cup sleeve 51 of the device can be replaced directly by plugging and unplugging, which improves the replacement efficiency. The placement seat 4 is fixedly connected to the support frame 3 by bolts. When fixing bottles of different sizes, the bolts can be loosened and the placement seat 4 can be replaced. It can adapt to the fixing requirements of bottles of different sizes and increase the versatility of the equipment.

[0032] The above description is only a preferred embodiment of the present invention and does not limit the patent scope of the present invention. All equivalent structural transformations made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or direct / indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A prefilled needle plugging mechanism that is convenient for changing specifications, comprising a plugging needle (1) and a mounting seat (2), characterized in that: The outer wall of the mounting seat (2) is fixedly connected to a support frame (3), the top of the support frame (3) is fixedly connected to a placement seat (4), and a plugging structure (5) is provided on the placement seat (4), and the plugging structure (5) comprises: A suction cup sleeve (51), wherein the inner wall of the placement seat (4) is plugged with the suction cup sleeve (51); A mounting block (52), the top of the placement seat (4) is detachably connected to the mounting block (52); A guide plug tube (53), wherein the inner wall of the mounting block (52) is plugged with the guide plug tube (53); A fixing plate (54) is detachably connected to the top of the mounting block (52).

2. A prefilled needle plugging mechanism that is easy to change specifications according to claim 1, characterized in that: The top of the mounting block (52) is fixedly connected with a mounting plate (55), a placement groove (6) is provided on the mounting plate (55), and an avoidance groove (7) is provided on the mounting plate (55).

3. The prefilled needle plugging mechanism for easy specification change according to claim 2, characterized in that: A suction cup joint (8) is fixedly connected to the bottom of the mounting block (52), an inner cavity is provided on the mounting block (52), a vacuum extraction hole (9) is provided on the mounting block (52), and the inner cavity is communicated with the vacuum extraction hole (9) and the suction cup joint (8).

4. A prefilled needle plugging mechanism for easy specification change according to claim 3, characterized in that: A groove (10) is provided on the top of the mounting block (52), a through hole is provided on the bottom of the groove (10), the through hole is communicated with the inner cavity, and an O-type sealing ring (11) is provided on the inner wall of the groove (10).

5. The prefilled needle plugging mechanism for easy specification change according to claim 4, characterized in that: The guide plug tube (53) is provided with a boss, the guide plug tube (53) is plugged into the inner wall of the groove 1 (10), and a rubber plug (12) is provided inside the guide plug tube (53).

6. The prefilled needle plugging mechanism for easy specification change according to claim 3, characterized in that: The bottom of the suction cup connector (8) is plugged into the top of the suction cup sleeve (51), a placement opening is provided on the placement seat (4), and a second groove is provided on the top of the placement seat (4).

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