Rubber plug of insulin syringe
By introducing a reinforcement device into the rubber stopper of the insulin syringe, the problem of the stopper tilting and separating from the inner wall of the syringe is solved, achieving higher sealing and stability, and ensuring the normal extraction and injection of insulin solution.
Patent Information
- Application Number
- CN202422643613.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-31
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2034-10-31
AI Technical Summary
In the use of existing insulin syringe stoppers, the surface of the stopper adheres tightly to the inner wall of the syringe. When the core reinforcing rod moves the stopper, it may cause the stopper to tilt locally and separate from the inner wall of the syringe, resulting in the infiltration of excess air and affecting the normal extraction and injection of insulin solution.
An insulin syringe stopper was designed, comprising a core reinforcing rod, a rubber ring, and multiple rubber balls. Combined with a reinforcement device including components such as annular grooves, rings, rods, arc plates, air holes, and limiting blocks, the stopper enhances the sealing and stability between itself and the inner wall of the syringe, preventing the stopper from tilting or sinking.
It improves the fit and sealing between the rubber stopper and the inner wall of the syringe, reduces the infiltration of excess air, ensures the normal extraction and injection of insulin solution, and enhances the stability and efficiency of use.
Smart Images
Figure CN223654264U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to syringe rubber plug technical field especially, relates to a kind of insulin syringe rubber plug. BACKGROUND
[0002] In the injection process of insulin, it is often necessary to cooperate with the use of syringe, and the rubber plug is an important component in the syringe, which plays multiple roles such as sealing, fixing and controlling the flow of liquid medicine.
[0003] The existing insulin consumable barrel rubber plug is used inside the insulin needle-free injection pen, and the rubber plug is fixed with the core reinforcing rod before being inserted into the syringe, so that the surface of the rubber plug is tightly fitted with the inner wall of the syringe. Under the action of high-pressure air, the core reinforcing rod is pushed, so that the rubber plug extrudes the insulin liquid in the syringe and pushes it out to enter the skin to realize needle-free injection.
[0004] However, due to the tight fit of the rubber plug surface with the inner wall of the syringe, and the softness of the rubber plug itself, the core reinforcing rod may cause the rubber plug to be pressed too much when driving the rubber plug to move, causing the local position of the rubber plug to tilt and separate from the inner wall of the syringe, so that excess air penetrates through the gap between the rubber plug and the syringe. UTILITY MODEL CONTENT
[0005] The utility model aims at solving the shortcomings in the prior art and provides an insulin syringe rubber plug.
[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an insulin syringe rubber plug, comprising a rubber plug body arranged inside an insulin consumable barrel, a core reinforcing rod arranged on one side of the rubber plug body, a rubber ring fixedly connected to the surface of the rubber plug body, and a plurality of rubber balls fixedly connected to one side of the rubber plug body.
[0007] The above-mentioned components achieve the following effects: the core reinforcing rod is clamped inside the rubber plug body, and under the action of high-pressure air in use, the core reinforcing rod is pushed, so that the rubber plug extrudes the insulin liquid in the syringe and pushes it out to enter the skin to realize needle-free injection. The rubber ring can increase the fit of the rubber plug body with the inner wall of the syringe, further improve the sealing between the surface of the rubber plug body and the inner wall of the syringe, and the plurality of rubber balls can separate the rubber plug body from the inner wall of the syringe, reduce the adsorption of the rubber plug body with the inner wall of the syringe body when it is pushed to the maximum position, and affect the transmission of the core reinforcing rod to the rubber plug body.
[0008] Preferably, one side of the rubber plug body is provided with a reinforcing device, the reinforcing device comprises an annular groove opened on one side of the rubber plug body, the inner wall of the annular groove is fixedly connected with a circular ring, one side of the circular ring is fixedly connected with a plurality of circular rods, one end of the plurality of circular rods away from the circular ring is fixedly connected with an arc plate, and the surfaces of the plurality of arc plates are attached to the inner wall of the annular groove.
[0009] The effect achieved by the above component is that: by setting the reinforcing device, the annular groove is first fixed inside the annular groove, the surfaces of the plurality of arc plates are attached to the inner wall of the annular groove, the circular ring cooperates with the plurality of circular rods to assist in supporting the plurality of arc plates, when the rubber plug body is inclined, the plurality of arc plates cooperate with the circular ring and the plurality of circular rods to assist in supporting and limiting the inside, reducing the inward indentation or local inclination of the rubber plug body when it is pressed, causing the surface of the rubber plug body to separate from the inner wall of the syringe, causing excess air to seep in through the gap, affecting the normal extraction and injection of the insulin liquid, and improving the use stability and efficiency of the rubber plug body.
[0010] Preferably, one side of the plurality of arc plates is provided with a plurality of air holes, and the plurality of air holes are arranged at equal distances.
[0011] The effect achieved by the above component is that: by setting the air hole, the air hole can exhaust the gas at the attachment of the arc plate and the rubber plug body, reducing the gas or bubbles between the surface of the arc plate and the rubber plug body, and affecting the support and reinforcement of the rubber plug body.
[0012] Preferably, one side of the plurality of arc plates away from the circular rod is fixedly connected with a limiting block, and the inner wall of the annular groove is provided with a plurality of limiting grooves, and the surface of the limiting block is matched in size and shape with the inner wall of the limiting groove.
[0013] The effect achieved by the above component is that: by setting the limiting block and the limiting groove, the limiting block can be located inside the limiting groove to intercept and limit the outside part of the rubber plug body, reducing the shaking or twisting of the outside part of the rubber plug body during use.
[0014] Preferably, one side of the plurality of circular rods close to the arc plate is fixedly connected with a reinforcing block, and the plurality of reinforcing blocks are respectively fixedly connected with the plurality of arc plates.
[0015] The effect achieved by the above component is that: by setting the reinforcing block, the reinforcing block can reinforce the connection between the circular rod and the arc plate, improve the connection strength between the arc plate and the circular rod, and reduce the separation of the two.
[0016] Preferably, the surface of the circular ring is fixedly connected with a reinforcing rib, and the reinforcing rib surrounds the surface of the circular ring.
[0017] The effect achieved by the components is that the reinforcing ribs increase the strength of the circular ring, reduce the deformation or breakage of the circular ring under stress, and further strengthen the stability of the circular ring.
[0018] Preferably, one side of the circular ring is fixedly connected with a plurality of intercepting plates, and surfaces of the plurality of intercepting plates are respectively attached to surfaces of the plurality of arc-shaped plates.
[0019] The effect achieved by the components is that the intercepting plates can intercept and limit the arc-shaped plates, and reduce the movement of the arc-shaped plates away from the inside of the annular groove under stress.
[0020] Compared with the prior art, the utility model has the advantages and positive effects that:
[0021] In the utility model, the reinforcing device can support and reinforce the rubber plug body, so that the rubber plug body is less likely to be inwardly depressed or locally tilted under pressure, the surface of the rubber plug body is less likely to be separated from the inner wall of the syringe, and less air is likely to seep into the syringe through the gap. BRIEF DESCRIPTION OF DRAWINGS
[0022] Figure 1 is a schematic view of the three-dimensional structure of the utility model;
[0023] Figure 2 is a schematic view of the inside of the insulin consumable barrel;
[0024] Figure 3 is a schematic view of the local structure of the annular groove of the utility model;
[0025] Figure 4 is a schematic view of the local structure of the circular ring of the utility model;
[0026] Figure 5 is a sectional view of the rubber plug body of the utility model.
[0027] Legend: 1, rubber plug body; 2, rubber ring; 3, rubber ball; 4, core reinforcing rod; 5, reinforcing device; 51, annular groove; 52, limiting groove; 53, circular ring; 54, circular rod; 55, arc-shaped plate; 56, limiting block; 57, air hole; 58, reinforcing block; 59, intercepting plate; 510, reinforcing rib; 6, insulin consumable barrel. DETAILED DESCRIPTION
[0028] Reference Figures 1-5As shown, the embodiment discloses an insulin syringe rubber plug, which comprises a rubber plug body 1 arranged in an insulin consumable barrel 6, a core reinforcing rod 4 arranged on one side of the rubber plug body 1, a rubber ring 2 fixedly connected to the surface of the rubber plug body 1, and a plurality of rubber balls 3 fixedly connected to one side of the rubber plug body 1. The core reinforcing rod 4 is clamped in the rubber plug body 1. In use, the core reinforcing rod 4 drives the rubber plug body 1 to move along the inside of the syringe to extract and inject insulin liquid. Meanwhile, the rubber ring 2 can increase the adhesion of the rubber plug body 1 to the inner wall of the syringe, further improving the sealing between the surface of the rubber plug body 1 and the inner wall of the syringe. The plurality of rubber balls 3 can separate the rubber plug body 1 from the inner wall of the syringe, reducing the adsorption of the rubber plug body 1 to the inner wall of the syringe body when it is pushed to the maximum position, and affecting the transmission of the core reinforcing rod 4 to the rubber plug body 1.
[0029] Referring to Figure 2 and Figure 3 As shown, the embodiment discloses that one side of the rubber plug body 1 is provided with a reinforcing device 5. The reinforcing device 5 comprises an annular groove 51 arranged on one side of the rubber plug body 1, a circular ring 53 fixedly connected to the inner wall of the annular groove 51, a plurality of circular rods 54 fixedly connected to one side of the circular ring 53, and an arc-shaped plate 55 fixedly connected to the end of each of the plurality of circular rods 54 away from the circular ring 53. The surface of each of the plurality of arc-shaped plates 55 is in abutment with the inner wall of the annular groove 51. By arranging the reinforcing device 5, the annular groove 51 is first fixedly connected to the annular groove 51, so that the surface of the plurality of arc-shaped plates 55 is in abutment with the inner wall of the annular groove 51, and the circular ring 53 cooperates with the plurality of circular rods 54 to assist in supporting the plurality of arc-shaped plates 55. When the rubber plug body 1 is inclined, the plurality of arc-shaped plates 55 cooperates with the circular rod 54 and the circular ring 53 to assist in supporting and limiting the inside, reducing the inward collapse or local inclination of the rubber plug body 1 when it is pressed, causing the surface of the rubber plug body 1 to separate from the inner wall of the syringe, causing excess air to seep in through the gap, affecting the normal extraction and injection of the insulin liquid, and improving the use stability and efficiency of the rubber plug body 1.
[0030] Referring to Figure 2 and Figure 3As shown, the embodiment discloses that one side of the plurality of arc-shaped plates 55 is provided with a plurality of air holes 57, and the plurality of air holes 57 are arranged at equal distances. By arranging the air holes 57, the air holes 57 can discharge the gas at the bonding position of the arc-shaped plate 55 and the rubber plug body 1, reduce the gas or bubbles between the surface of the arc-shaped plate 55 and the rubber plug body 1, and affect the supporting and reinforcing of the rubber plug body 1. One side of the plurality of arc-shaped plates 55 away from the circular rod 54 is fixedly connected with a limiting block 56. The inner wall of the annular groove 51 is provided with a plurality of limiting grooves 52. The surface size and shape of the limiting block 56 are matched with the inner wall size and shape of the limiting groove 52. By arranging the limiting block 56 and the limiting groove 52, the limiting block 56 can be located inside the limiting groove 52 to intercept and limit the outer part of the rubber plug body 1, so as to reduce the shaking or twisting of the outer part of the rubber plug body 1 during use.
[0031] Referring to Figure 2 and Figure 3 As shown, the embodiment discloses that one side of the plurality of circular rods 54 close to the arc-shaped plate 55 is fixedly connected with a reinforcing block 58. The plurality of reinforcing blocks 58 are fixedly connected with the plurality of arc-shaped plates 55, respectively. By arranging the reinforcing block 58, the reinforcing block 58 can reinforce the connection between the circular rod 54 and the arc-shaped plate 55, improve the connection strength between the arc-shaped plate 55 and the circular rod 54, and reduce the separation of the two. The surface of the circular ring 53 is fixedly connected with a reinforcing rib 510. The reinforcing rib 510 surrounds the surface of the circular ring 53. By arranging the reinforcing rib 510, the reinforcing rib 510 can increase the strength of the circular ring 53, reduce the deformation or fracture of the circular ring 53 under stress, and further strengthen the stability of the circular ring 53.
[0032] Referring to Figure 2 and Figure 3 As shown, the embodiment discloses that one side of the circular ring 53 is fixedly connected with a plurality of intercepting plates 59. The surfaces of the plurality of intercepting plates 59 are respectively bonded with the surfaces of the plurality of arc-shaped plates 55. By arranging the intercepting plate 59, the intercepting plate 59 can intercept and limit the arc-shaped plate 55, and reduce the movement of the arc-shaped plate 55 away from the inside of the annular groove 51 under stress.
[0033] Working principle: first, the annular is fixed in the annular groove 51, so that the surface of the plurality of arc-shaped plates 55 is bonded with the inner wall of the annular groove 51, so that the circular ring 53 cooperates with the plurality of circular rods 54 to assist in supporting the plurality of arc-shaped plates 55. When the rubber plug body 1 is inclined, the plurality of arc-shaped plates 55 cooperate with the circular rod 54 and the circular ring 53 to assist in supporting and limiting the inside, so as to achieve the auxiliary reinforcement of the rubber plug body 1.
[0034] In use, the rubber plug body 1 is fixed with the core reinforcing rod 4, and then the rubber plug body 1 is inserted into the syringe, so that the surface of the rubber plug body 1 is tightly attached to the inner wall of the syringe, and the rubber ring 2 is attached to the inner wall of the syringe, thereby increasing the attachment and sealing performance of the rubber plug body 1 and the inner wall of the syringe; under the action of high-pressure air, the core reinforcing rod is pushed, so that the rubber plug extrudes the insulin liquid in the syringe and pushes it out to be injected into the skin to realize needle-free injection.
[0035] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above-mentioned technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made according to the technical essence of the present application to the above-mentioned embodiments shall fall within the protection scope of the present application. In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection" and "connection" should be understood in a broad sense. For example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements. For ordinary skilled persons in the art, the specific meaning of the above-mentioned terms in the present application can be understood according to the specific circumstances.
Claims
1. An insulin syringe rubber plug, comprising a rubber plug body (1) arranged inside an insulin consumable cartridge (6), characterized in that: The surface of the rubber plug body (1) is fixedly connected with a rubber ring (2), one side of the rubber plug body (1) is fixedly connected with a plurality of rubber balls (3); one side of the rubber plug body (1) is provided with a reinforcing device (5), the reinforcing device (5) comprises an annular groove (51) opened in one side of the rubber plug body (1), the inner wall of the annular groove (51) is fixedly connected with a circular ring (53), one side of the circular ring (53) is fixedly connected with a plurality of circular rods (54), one end of the plurality of circular rods (54) away from the circular ring (53) is fixedly connected with an arc-shaped plate (55), the surface of the plurality of arc-shaped plates (55) is matched with the inner wall of the annular groove (51).
2. An insulin syringe rubber stopper according to claim 1, characterized in that: One side of the plurality of arc-shaped plates (55) is provided with a plurality of air holes (57), and the plurality of air holes (57) are arranged at equal distances.
3. An insulin syringe rubber stopper according to claim 2, wherein: One side of the plurality of arc-shaped plates (55) away from the circular rod (54) is fixedly connected with a limiting block (56), the inner wall of the annular groove (51) is provided with a plurality of limiting grooves (52), and the surface of the limiting block (56) is matched with the size and shape of the inner wall of the limiting groove (52).
4. An insulin syringe rubber stopper according to claim 3, wherein: One side of the plurality of circular rods (54) close to the arc-shaped plate (55) is fixedly connected with a reinforcing block (58), and the plurality of reinforcing blocks (58) are fixedly connected with the plurality of arc-shaped plates (55) respectively.
5. An insulin syringe rubber stopper according to claim 4, wherein: The surface of the circular ring (53) is fixedly connected with a reinforcing rib (510), and the reinforcing rib (510) surrounds the surface of the circular ring (53) for one turn.
6. An insulin syringe rubber stopper according to claim 5, wherein: One side of the circular ring (53) is fixedly connected with a plurality of intercepting plates (59), and the surface of the plurality of intercepting plates (59) is matched with the surface of the plurality of arc-shaped plates (55) respectively.