Sealing device equipment

Abstract

The utility model discloses a sealer device which comprises a cap suitable for plugging the end portion of an injector assembly, the injector assembly comprises a tube body, a piston handle inserted in the inner wall of the tube body and a tube head arranged at one end of the tube body, and the tube head and the tube body are of an integrated connection structure. The inner diameter of the cap is matched with the outer diameter of the tube head; the outer wall of the circumference of the tube body is fixedly connected with scale marks; the outer wall of the cover cap is provided with an arc-shaped strip which is integrally connected with the outer wall of the cover cap; one end of the cap is fixedly connected with a ball head; the circumferential inner wall of the cap is fixedly connected with a sealing ring; the circumferential outer wall of the cap is fixedly connected with raised lines in an annular array manner; and a reinforcing sealing structure is arranged at one end of the cap. People hold the cap by hand, the cap can be conveniently clamped and sleeved on the tube head through the anti-sliding effect of the arc-shaped strip so as to seal the inlet and outlet ends of the syringe assembly, and the syringe assembly is convenient to disassemble, assemble and use.

Description

Technical Field

[0001] The utility model relates to the technical field of medical equipment, in particular to a sealing device. Background Art

[0002] A syringe is a common medical device that is mainly used to extract or inject gas or liquid. At present, when the outer packaging of the syringe is opened and placed, the port of the syringe barrel is not sealed, and the inside of the syringe barrel may be contaminated.

[0003] To solve the above problems, after searching, the Chinese patent application number CN202020723311.1 discloses a prefilled syringe rubber plug sealing structure, including a needle cap and a booster, a needle is installed inside the needle cap, and the right side of the needle is fixedly connected to a storage chamber, the outside of the storage chamber is fixedly connected to a threaded hole, and a shell is provided on the right side of the storage chamber, a cavity is provided inside the shell, and the upper and lower sides of the cavity are movably connected to anti-slip pads, the right side of the booster is fixedly connected to a limited block, and the booster is located above the anti-slip pad. The prefilled syringe rubber plug sealing structure in the above patent has the following shortcomings: the needle cap and the storage chamber are threadedly connected, the disassembly and assembly steps are relatively cumbersome, and it does not take advantage of the convenience of medical staff. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and provides a sealer device.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A sealing device, comprising a cap suitable for sealing the end of a syringe assembly, wherein the syringe assembly comprises a tube body, a piston handle inserted into the inner wall of the tube body, and a tube head arranged at one end of the tube body and integrally connected to the tube body;

[0007] The inner diameter of the cap is matched with the outer diameter of the pipe head.

[0008] As a further solution of the utility model: the circumferential outer wall of the tube body is fixedly connected with scale lines.

[0009] As a further solution of the utility model: the outer wall of the cap is provided with an arc-shaped strip which is an integrally connected structure therewith.

[0010] As a further solution of the utility model: one end of the cover cap is fixedly connected with a ball head.

[0011] As a further solution of the utility model: a sealing ring is fixedly connected to the circumferential inner wall of the cap.

[0012] As a further solution of the utility model: the circumferential outer wall of the cap is fixedly connected with convex strips in an annular array.

[0013] As a further solution of the utility model: a reinforced sealing structure is provided at one end of the cap, and the reinforced sealing structure includes a fixed tube fixedly connected to the inner wall of one end of the cap, a rubber ring fixedly connected to the outer wall of the fixed tube, a T-shaped column inserted into the inner wall of the rubber ring, a pressure head fixedly connected to one end of the T-shaped column, and a rubber sleeve fixedly connected to the outer wall of one end of the T-shaped column.

[0014] As a further solution of the utility model: a limiting hole is provided at one end of the cover cap, and a protrusion matched with the limiting hole is fixedly connected to one end surface of the pressure head.

[0015] Compared with the prior art, the utility model provides a sealing device having the following

[0016] Beneficial effects:

[0017] 1. The obturator is equipped with a cap that matches the tube head. When in use, people hold the cap and the anti-slip effect of the arc strip makes it easy to clamp the cap on the tube head so as to seal the inlet and outlet ends of the syringe assembly. The obturator is easy to disassemble and use.

[0018] 2. With this sealing device, medical staff can remove and assemble the cap from the tube head by pinching the ball head by hand. After the cap is clamped on the tube head, the sealing ring is used to squeeze and fill the tube head, which can further effectively improve the airtightness of the cap to the tube head and prevent drug leakage.

[0019] 3. The sealer equipment is provided with a reinforced sealing structure. After the cap is clamped on the pipe head, the fixed cylinder together with the rubber ring will be filled into the pipe head, and then the pressure head will be pressed inward to fill the protrusion on it into the limiting hole, so that the pressure head and the cap form a fixed connection. During this period, the T-column will move backward in the fixed cylinder with the squeezing of the pressure head, and then squeeze the airflow in the fixed cylinder into the rubber ring, causing it to expand outward, deform and fit tightly with the inner wall of the pipe head, thereby achieving a sealing effect on the pipe head port. This structure is suitable for filling and sealing pipe heads of different diameters, and is relatively easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the top view of the structure of Example 1 of a sealer device proposed by the utility model;

[0021] Figure 2 This is a schematic diagram of the explosion structure of the cap and the pipe head of Example 1 of a sealer equipment proposed by the utility model;

[0022] Figure 3This is a front view structural diagram of a cap of Example 2 of a sealer device proposed by the utility model;

[0023] Figure 4 This is a schematic diagram of the back view of the cover cap of Example 2 of a sealer device proposed by the utility model;

[0024] Figure 5 This is a schematic diagram of the cap structure of Example 3 of a sealer device proposed by the utility model;

[0025] Figure 6 A schematic diagram of the cross-sectional structure of a cap of a fourth embodiment of a sealer device proposed by the utility model;

[0026] Figure 7 This is a partial top view structural schematic diagram of a cap of Example 4 of a sealer equipment proposed by the utility model.

[0027] In the figure: 1 tube body, 101 scale line, 102 tube head, 2 piston handle, 3 cover cap, 301 arc strip, 302 ball head, 303 sealing ring, 304 convex strip, 305 fixing cylinder, 306 convex block, 307 pressure head, 308 rubber ring, 309 limiting hole. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0029] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0030] Example 1

[0031] A closed device, such as Figure 1-2 As shown, it includes a cap 3 suitable for sealing the end of the syringe assembly, and the outer wall of the cap 3 is provided with an arc strip 301 which is an integrally connected structure therewith; people hold the cap 3, and through the anti-slip effect of the arc strip 301, it is convenient to clamp the cap 3 on the tube head 102, so as to close the inlet and outlet ends of the syringe assembly, and facilitate disassembly and assembly.

[0032] Furthermore, the syringe assembly refers to the prior art, including a tube body 1, a piston handle 2 inserted into the inner wall of the tube body 1, and a tube head 102 arranged at one end of the tube body 1 and integrally connected thereto, the piston handle 2 including a rubber plug at one end thereof adapted to the inner wall of the tube body 1, which is the same as the prior art.

[0033] Preferably, the circumferential outer wall of the tube body 1 is fixedly connected with a scale line 101, which can assist medical staff in accurately measuring the amount of medicine.

[0034] Further preferably, the inner diameter of the cap 3 matches the outer diameter of the tube head 102 .

[0035] Working principle: When in use, people hold the cap 3, and through the anti-slip effect of the arc strip 301, it is convenient to clamp the cap 3 on the tube head 102, so as to close the inlet and outlet ends of the syringe assembly.

[0036] Example 2

[0037] A closed device, such as Figure 3-4 As shown, in order to provide another structure of the cap 3, this embodiment makes the following improvements on the basis of embodiment 1: one end of the cap 3 is fixedly connected with a ball head 302; it is convenient for medical staff to disassemble and assemble the cap 3 from the tube head 102 by pinching the ball head 302, which is convenient to use.

[0038] Preferably, a sealing ring 303 is fixedly connected to the circumferential inner wall of the cap 3, and the sealing ring 303 is made of rubber. After the cap 3 is clamped onto the tube head 102, the sealing ring 303 is used to squeeze and fill the tube head 102, which can further effectively improve the airtightness of the cap 3 to the tube head 102 and prevent drug leakage.

[0039] Working principle: After the medical staff squeezes the ball head 302 to fit the cap 3 onto the tube head 102, the sealing ring 303 is used to squeeze and fill the tube head 102, which can further effectively improve the airtightness of the cap 3 to the tube head 102 and facilitate disassembly and assembly.

[0040] Example 3

[0041] A closed device, such as Figure 5 As shown, in order to provide another structure of the cap 3, this embodiment makes the following improvements on the basis of embodiment 1: the circumferential outer wall of the cap 3 is fixedly connected with multiple convex strips 304 in a ring array; people hold the cap 3, and through the anti-slip effect of the convex strips 304, it is convenient to clamp the cap 3 on the tube head 102, so as to close the inlet and outlet ends of the syringe assembly, and facilitate disassembly and assembly.

[0042] Working principle: People hold the cap 3 and, through the anti-slip effect of the convex strip 304, can easily fit the cap 3 onto the tube head 102, so as to seal the inlet and outlet ends of the syringe assembly, making disassembly and assembly convenient.

[0043] Example 4

[0044] A closed device, such as Figure 6-7 As shown, in order to provide another structure of the cap 3; this embodiment makes the following improvements on the basis of embodiment 1: one end of the cap 3 is provided with a reinforced sealing structure, the reinforced sealing structure includes a fixed cylinder 305 fixedly connected to the inner wall of one end of the cap 3, a rubber ring 308 fixedly connected to the outer wall of the fixed cylinder 305, a T-shaped column inserted into the inner wall of the rubber ring 308, and a pressure head 307 fixedly connected to one end of the T-shaped column, and the outer wall of one end of the T-shaped column is fixedly connected to a rubber sleeve;

[0045] Furthermore, a limiting hole 309 is provided at one end of the cap 3, and a protrusion 306 matching the limiting hole 309 is fixedly connected to the end surface of the pressure head 307 facing the limiting hole 309; after the cap 3 is clamped on the tube head 102, the fixed cylinder 305 together with the rubber ring 308 will be filled into the tube head 102, and then the pressure head 307 is pressed inwardly so that the protrusion 306 on it is filled into the limiting hole 309, so that the pressure head 307 and the cap 3 are fixedly connected, and during this period, the T-shaped column will move backward in the fixed cylinder 305 with the squeezing of the pressure head 307, and then squeeze the air flow in the fixed cylinder 305 into the rubber ring 308, so that it expands outward, deforms and fits tightly against the inner wall of the tube head 102, thereby achieving a sealing effect on the port of the tube head 102. This structure is suitable for filling and sealing tube heads 102 of different diameters, and is relatively convenient to operate.

[0046] Working principle: After the cap 3 is inserted onto the tube head 102, the fixed cylinder 305 and the rubber ring 308 are filled into the tube head 102, and then the pressure head 307 is pressed inward so that the protrusion 306 on it is filled into the limiting hole 309, so that the pressure head 307 and the cap 3 form a fixed connection. During this period, the T-shaped column will move backward in the fixed cylinder 305 as the pressure head 307 is squeezed, and then the air flow in the fixed cylinder 305 is squeezed into the rubber ring 308, causing it to expand outward, deform and fit tightly against the inner wall of the tube head 102, thereby achieving a sealing effect on the port of the tube head 102. This structure is suitable for filling and sealing tube heads 102 of different diameters, and is relatively easy to operate.

[0047] Example 5

[0048] A closed device, such as Figure 1-7 As shown, the various structures of the cap 3 involved in the utility model can be recombined and used according to actual needs, and are not limited to those listed in the utility model and are not limited here.

[0049] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A sealing device, comprising a cap (3) suitable for sealing the end of a syringe assembly, characterized in that: The syringe assembly comprises a tube body (1), a piston handle (2) inserted into the inner wall of the tube body (1), and a tube head (102) arranged at one end of the tube body (1) and integrally connected thereto; The inner diameter of the cap (3) is adapted to the outer diameter of the pipe head (102); A reinforced sealing structure is provided at one end of the cap (3), the reinforced sealing structure comprising a fixed tube (305) fixedly connected to the inner wall of one end of the cap (3), a rubber ring (308) fixedly connected to the outer wall of the fixed tube (305), a T-shaped column inserted into the inner wall of the rubber ring (308), and a pressure head (307) fixedly connected to one end of the T-shaped column, and a rubber sleeve is fixedly connected to the outer wall of one end of the T-shaped column.

2. A sealing device according to claim 1, characterized in that: The circumferential outer wall of the tube body (1) is fixedly connected with a scale line (101).

3. A sealing device according to claim 2, characterized in that: The outer wall of the cap (3) is provided with an arc-shaped strip (301) which is an integrally connected structure therewith.

4. A sealing device according to claim 2, characterized in that: One end of the cover cap (3) is fixedly connected to a ball head (302).

5. A sealing device according to claim 4, characterized in that: A sealing ring (303) is fixedly connected to the circumferential inner wall of the cover cap (3).

6. A sealing device according to claim 2, characterized in that: The circumferential outer wall of the cover cap (3) is fixedly connected with convex strips (304) in an annular array.

7. A sealing device according to claim 6, characterized in that: A limiting hole (309) is provided at one end of the cover cap (3), and a protrusion (306) adapted to the limiting hole (309) is fixedly connected to one end surface of the pressure head (307).

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