Double-folding-handle type separated combined cover
By designing a bifold-folding separating combination cap, the outer cover and the inner cover are fixed by a fastening structure, simplified assembly of the combined cap for infusion bottles is achieved, production efficiency is improved and costs is reduced, and the complex assembly problem in the prior art is solved.
Patent Information
- Application Number
- CN202421712359.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-18
- Publication Date
- 2025-07-18
- Estimated Expiration
- 2034-07-18
AI Technical Summary
The existing combined caps for infusion bottles consist of multiple parts, resulting in complex assembly steps, low production efficiency and high cost.
A bifold shank separation combination cover is designed, the outer cover and the inner cover are fixed by a snap structure. The outer cover and the inner cover include an annular protruding positive buckle and reverse buckle points respectively. The installation is completed by pressing. The outer cover and the inner cover can be injection molded in one go.
The assembly steps of the combined cover are simplified, production efficiency is improved, costs are reduced, and the chance of friction damage is reduced through curved design, ensuring installation smoothness and independent sealing.
Smart Images

Figure CN223112009U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the technical field of medical packaging, and in particular to a double-fold handle type separable combined cap. Background Art
[0002] In the medical field, infusion therapy is a common treatment method. With the progress of medical technology, infusion supplies are constantly updated. However, the existing combined caps for infusion bottles usually consist of multiple parts, which results in multiple components of the combined caps for infusion bottles. When producing the combined caps for infusion bottles, it is usually necessary to perform hot melt welding on the multiple components that make up the combined caps for infusion bottles. This leads to complex assembly steps for the combined caps for infusion bottles and excessive solder joints for assembly and fixation, resulting in reduced production efficiency and increased costs. Utility Model Content
[0003] In order to simplify the assembly steps of the combined cap for the infusion bottle and thereby reduce costs, this application provides a double-fold handle type separable combined cap.
[0004] A double-fold handle type separable combined cap provided by this application adopts the following technical solution:
[0005] A double-fold handle type separable combined cap includes an outer cap, an inner cap, and a fastening structure. The inner cap is fastened and fixed inside the outer cap through the fastening structure. The outer cap includes an integrally provided outer cap body and an outer cap base. The fastening structure includes a positive fastening point in the shape of an annular protrusion provided on the inner wall of the outer cap base. The inner cap includes an inner cap body and an inner cap base. The fastening structure further includes a negative fastening point in the shape of an annular protrusion provided on the outer side of the inner cap base.
[0006] By adopting the above technical solution, a double-fold handle type separable combined cap is simplified into two parts, including an outer cap and an inner cap respectively. The positive fastening point and the negative fastening point included in the fastening structure are respectively provided on the outer cap base and the inner cap base. During assembly, the installation can be completed by pressing, saving the assembly and processing steps.
[0007] In a specific feasible embodiment, the outer cap body is composed of two parts, namely an outer cap body A and an outer cap body B with the same structure. The outer connections of the outer cap body A and the outer cap body B are integrated, so that the cross-section of the outer cap body is in the shape of an 8. Cavities are respectively opened inside the outer cap body A and the outer cap body B to form an upper cavity and a lower cavity. The upper cavity is connected to the lower cavity. Both the upper cavity and the lower cavity are set as cavities with a circular cross-section. The diameter of the upper cavity is set to be smaller than the diameter of the lower cavity.
[0008] By adopting the above technical solution, dividing the outer cap body into the outer cap body A and the outer cap body B can ensure that the outer cap body A and the outer cap body B are relatively independent of each other and avoid cross-contamination.
[0009] In a specific feasible implementation, a circular cavity structure is provided inside the outer cover base, and an arc surface is also formed on the inner wall of the outer cover base. The arc surface is disposed above the positive snap point, and an arc surface is inclined downward from the top of the negative snap point. The arc surface formed at the negative snap point matches the arc surface formed on the inner wall of the outer cover base, and the two can be fitted together.
[0010] By adopting the above technical solution, through the setting of the arc surface, the probability of damage caused by friction of the outer cover and the inner cover during and after installation can be reduced. During installation, the setting of the arc surface can provide a smooth transition to ensure smooth installation.
[0011] In a specific feasible implementation, the inner cover body is composed of two parts, namely an inner cover body A and an inner cover body B with the same structure. The inner cover body A and the inner cover body B are arranged at intervals on the outside and are connected into one body through the inner cover base. The inner cover body A and the inner cover body B are provided with a cavity structure.
[0012] By adopting the above technical solution, the inner cover body includes the inner cover body A and the inner cover body B. This setting can also improve the independent sealing performance of the inner cover body A and the inner cover body B and avoid cross-contamination between the inner cover body A and the inner cover body B.
[0013] In a specific feasible implementation, through holes are respectively formed at the tops of the outer cover body A and the outer cover body B to form needle holes, and the needle holes communicate the tops of the outer cover body A and the outer cover body B with their respective upper cavities.
[0014] By adopting the above technical solution, the opening of the needle holes facilitates medicine taking and pharmaceutical operations.
[0015] In a specific feasible implementation, a folding handle is provided at the top of each of the outer cover body A and the outer cover body B. The shape of the folding handle is set as a flat oval, and a groove is formed at the top of the folding handle to form a concave portion.
[0016] By adopting the above technical solution, during use, the needle hole is exposed by disassembling the folding handle, and the setting of the concave portion can improve the comfort when held by the human hand.
[0017] In a specific feasible implementation, a circular protrusion is formed by protruding downward from the top wall of the upper cavity to form an upper fixing portion, and a circular protrusion is formed at the top of the inner cover body to form a lower fixing portion.
[0018] By adopting the above technical solution, the upper fixing portion and the lower fixing portion are used to fix the rubber plug.
[0019] In a specific feasible embodiment, a circular flange is provided at the bottom of the folding handle, and the thickness of one end of the flange away from the folding handle is cut to form a breaking portion.
[0020] By adopting the above technical solution, the setting of the breaking portion enables the operator to easily break the folding handle.
[0021] In summary, the present application includes the following beneficial technical effects:
[0022] By providing the outer cover, the inner cover and the buckling structure, the inner cover can be installed inside the outer cover through the buckling structure, simplifying the assembly steps of the outer cover and the inner cover. For the structural settings of the outer cover and the inner cover, the outer cover and the inner cover can be integrally injection-molded by a mold, simplifying the manufacturing process. After manufacturing, the outer cover and the inner cover can be assembled by pressing, saving the manufacturing time of this product and improving the efficiency. Description of the Drawings
[0023] Figure 1 is the front view of the embodiment of the present application;
[0024] Figure 2 is the top view of the embodiment of the present application;
[0025] Figure 3 is the bottom view of the embodiment of the present application;
[0026] Figure 4 is the left view of the embodiment of the present application;
[0027] Figure 5 is the cross-sectional view of the embodiment of the present application;
[0028] Figure 6 is the schematic diagram showing the structure of the inner cover.
[0029] Explanation of the Reference Numerals in the Drawings: 1, folding handle; 11, concave portion; 2, breaking portion; 3, outer cover; 31, upper cavity; 311, rubber plug; 32, upper fixing portion; 33, lower cavity; 34, outer cover base; 341, positive buckling point; 35, pinhole; 36, outer cover body; 361, outer cover body A; 362, outer cover body B; 4, inner cover; 41, lower fixing portion; 42, inner cover body; 421, inner cover body A; 422, inner cover body B; 43, inner cover base; 44, reverse buckling point. Detailed Description of the Embodiment
[0030] The following will further describe the present application in detail with reference to the attached Figures 1 - 6 drawings.
[0031] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.
[0032] The present application embodiment discloses a double-folding handle type separation combination cover, referring to Figure 1 , Figure 2 , Figure 3 and Figure 4 , including an outer cover 3, an inner cover 4 and a buckle structure, the outer cover 3 and the inner cover 4 are set to plastic materials, and the inner cover 4 is buckled and fixed inside the outer cover 3 through the buckle structure. The outer cover 3 includes an outer cover body 36 and an outer cover base 34 that are integrally arranged. The outer cover body 36 and the outer cover base 34 are integrally arranged to facilitate one-time injection molding of the outer cover 3 through a mold. The outer cover body 36 is composed of two parts, an outer cover body A361 and an outer cover body B362, which have the same structure. The outer parts of the outer cover body A361 and the outer cover body B362 are connected as a whole, so that the cross section of the outer cover body 36 is 8-shaped.
[0033] Reference Figure 5 , a cavity is provided inside the outer cover body A361 and the outer cover body B362 to form an upper cavity 31 and a lower cavity 33, and the upper cavity 31 is connected with the lower cavity 33, so that the inner parts of the outer cover body A361 and the outer cover body B362 form two cavity structures independent of each other, and this setting can prevent cross contamination inside the outer cover body A361 and the outer cover body B362. The upper cavity 31 and the lower cavity 33 are both configured as cavities with circular cross sections, and the diameter of the upper cavity 31 is configured to be smaller than the diameter of the lower cavity 33. Through holes are provided at the tops of the outer cover body A361 and the outer cover body B362 to form a pinhole 35, and the pinhole 35 connects the tops of the outer cover body A361 and the outer cover body B362 with their respective upper cavities 31, and the diameter of the pinhole 35 is configured to be slightly smaller than the diameter of the upper cavity 31, and the opening of the pinhole 35 facilitates the insertion of the needle.
[0034] Reference Figure 2 and Figure 5 The outer cover base 34 is used to improve the overall strength of the outer cover 3 and prevent the outer cover 3 from being greatly deformed. The appearance of the outer cover base 34 is set in a round cover shape, and a circular cavity structure is set inside the outer cover base 34. The buckle structure includes a positive buckle point 341 in the shape of a ring-shaped protrusion set on the inner wall of the outer cover base 34. The top of the positive buckle point 341 is inclined downward and has an arc chamfer. The inner wall of the outer cover base 34 is also provided with an arc surface, and the arc surface is set above the positive buckle point 341.
[0035] Reference Figure 1 andFigure 2 On the top of the outer cover body A361 and the outer cover body B362, a folding handle 1 is provided respectively. The shape of the folding handle 1 is set as a flat oval. One part of the two folding handles 1 is fixedly connected to the tops of the outer cover body A361 and the outer cover body B362 respectively, and the other part extends out of the outer cover body A361 and the outer cover body B362 in two opposite directions. This setting enables the operator to avoid contacting the other folding handle 1 simultaneously when clamping one of the folding handles 1, preventing damage caused by accidental touch and destroying the original sealing performance. A groove is provided at the top of the folding handle 1 to form a concave portion 11. The setting of the concave portion 11 enables the folding handle 1 to better adapt to the shape of the fingers, increasing the comfort of the user when holding it.
[0036] Refer to Figure 1 and Figure 5 Refer to
[0037] Refer to Figure 5 and Figure 6 On the bottom of the folding handle 1, a circular flange is provided. The flange lifts the folding handle 1 relative to the outer cover body 36, and this setting can cause stress concentration. The diameter of the flange is slightly smaller than the diameter of the pinhole 35. The thickness of the end of the flange away from the folding handle 1 is cut to form a breaking portion 2. The folding handle 1 is connected to the outer cover body 36 through the breaking portion 2. The thickness of the breaking portion 2 is cut, so that the breaking portion 2 can be easily broken. The folding handle 1 plays a role in sealing and preventing dirt from the pinhole 35. When in use, the folding handle 1 is broken to expose the pinhole 35.
[0038] Refer to Figure 5 and Figure 6 The inner cover 4 includes an integrally provided inner cover body 42 and an inner cover base 43, which facilitates the one-time injection molding of the outer cover 3 through a mold. The inner cover body 42 is composed of two parts, namely an inner cover body A421 and an inner cover body B422 with the same structure. The inner cover body A421 and the inner cover body B422 are arranged at intervals on the outside and are connected into one body through the inner cover base 43. The outer shapes of the inner cover body A421 and the inner cover body B422 are matched with the lower cavity 33.
[0038] Refer to Figure 5 and Figure 6 The inner cover body A421 and the inner cover body B422 are set as cavity structures. The outer shape of the inner cover base 43 is set as a circle, and the size of the inner cover base 43 is matched with the cavity inside the outer cover base 34. The inside of the inner cover base 43 is set as a cavity structure, and the shape of the cavity is a circle. The snap-fit structure further includes an anti-snap point 44 provided on the outside of the inner cover base 43 in the shape of an annular protrusion. The top of the anti-snap point 44 is inclined downward to form an arc surface, and the bottom surface of the anti-snap point 44 is set as a plane. The arc surface formed by the anti-snap point 44 is matched with the arc surface provided on the inner wall of the outer cover base 34, and the two can fit together.
[0039] Refer to Figure 5 and Figure 6, when the inner cover 4 is installed inside the outer cover 3, the inner cover body A421 and the inner cover body B422 are respectively inserted into the lower cavities 33 of the outer cover body A361 and the outer cover body B362, and the positive snap points 341 and the reverse snap points 44 are snapped together, thereby installing the inner cover 4 inside the outer cover 3, so that the inner cover 4 and the outer cover 3 are fastened and fixed through the snap structure, and the assembly of the inner cover 4 and the outer cover 3 is completed.
[0040] Refer to Figure 5 , one rubber plug 311 (only one rubber plug 311 is shown in the figure) is provided in each of the upper cavities 31 of the outer cover body A361 and the outer cover body B362. Annular assembly grooves for installation and fixation are respectively provided at the top and bottom of the rubber plug 311. An annular protrusion is provided on the top wall of the upper cavity 31 to form an upper fixing portion 32, and the upper fixing portion 32 is inserted and matched with the assembly groove at the top of the rubber plug 311. An annular protrusion is provided on the top of the inner cover body 42 to form a lower fixing portion 41, and the lower fixing portion 41 penetrates into the upper cavity 31 and is inserted and matched with the assembly groove at the bottom of the rubber plug 311. Since the diameter of the upper cavity 31 is set to be smaller than the diameter of the lower cavity 33, a step is formed at the transition between the upper cavity 31 and the lower cavity 33. In order to avoid large wear at the transition between the inner cover body 42 and the upper cavity 31 and the lower cavity 33, arc surface treatments are performed at the transition between the upper cavity 31 and the lower cavity 33 and at the transition between the lower fixing portion 41 and the inner cover body 42.
[0041] The implementation principle of the embodiment of the present application is as follows: A double-fold handle type separable combined cover of the present application is applicable to bottle mouths of any size, including an outer cover 3 and an inner cover 4. The outer cover 3 and the inner cover 4 are both injection molded once by a mold. The outer cover 3 and the inner cover 4 are fastened and fixed through a snap structure. After the outer cover 3 and the inner cover 4 are processed, only by pressing, the assembly of the inner cover 4 and the outer cover 3 can be completed, which simplifies the assembly steps between the inner cover 4 and the outer cover 3, reduces the processing cost, and improves the processing efficiency. When in use, pull the folding handle 1 to expose the needle hole 35, and pierce the rubber plug 311 and the inner cover body 42 through the needle to perform medicine taking or medicine making operations.
[0042] The above embodiments only express the implementation manners of the utility model, and the description thereof is relatively specific and detailed, but it should not be construed as a limitation on the scope of the utility model patent. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present utility model, several deformations and improvements can still be made, and these all belong to the protection scope of the present utility model. Therefore, all equivalent changes made according to the structure, shape, and principle of the present application should be covered within the protection scope of the present application.
Claims
1. A double-fold handle type separable combined cover, characterized in that: It includes an outer cover (3), an inner cover (4) and a fastening structure. The inner cover (4) is fastened and fixed inside the outer cover (3) through the fastening structure. The outer cover (3) includes an integrally formed outer cover body (36) and an outer cover base (34). The fastening structure includes a positive fastening point (341) in the shape of an annular protrusion provided on the inner wall of the outer cover base (34). The inner cover (4) includes an inner cover body (42) and an inner cover base (43). The fastening structure further includes a negative fastening point (44) in the shape of an annular protrusion provided on the outer side of the inner cover base (43).
2. The double-fold handle type separable combined cover according to claim 1, wherein: The outer cover body (36) is composed of two parts, namely an outer cover body A (361) and an outer cover body B (362) with the same structure. The outer connections of the outer cover body A (361) and the outer cover body B (362) are integrated, making the cross-section of the outer cover body (36) in the shape of an 8. Inside the outer cover body A (361) and the outer cover body B (362), cavities are respectively formed to form an upper cavity (31) and a lower cavity (33). The upper cavity (31) communicates with the lower cavity (33). Both the upper cavity (31) and the lower cavity (33) are set as cavities with a circular cross-section. The diameter of the upper cavity (31) is set to be smaller than the diameter of the lower cavity (33).
3. A double-fold handle type separable combined cover according to claim 1, characterized in that: A circular cavity structure is provided inside the outer cover base (34). An arc surface is further provided on the inner wall of the outer cover base (34), and the arc surface is located above the positive fastening point (341). The top of the negative fastening point (44) is inclined downward to form an arc surface, and the arc surface formed by the negative fastening point (44) matches the arc surface provided on the inner wall of the outer cover base (34), and the two can be attached to each other.
4. A double-fold handle type separable combined cover according to claim 1, characterized in that: The inner cover body (42) is composed of two parts, namely an inner cover body A (421) and an inner cover body B (422) with the same structure. The inner cover body A (421) and the inner cover body B (422) are spaced apart on the outside and are connected as a whole through the inner cover base (43). The inner cover body A (421) and the inner cover body B (422) are set as cavity structures.
5. The double-fold handle type separable combined cover according to claim 2, wherein: Through holes are respectively provided at the tops of the outer cover body A (361) and the outer cover body B (362) to form pinholes (35). The pinholes (35) connect the tops of the outer cover body A (361) and the outer cover body B (362) with their respective upper cavities (31).
6. The double-fold handle type separable combined cover according to claim 2, wherein: One folding handle (1) is provided at the top of each of the outer cover body A (361) and the outer cover body B (362). The shape of the folding handle (1) is set as a flat oval, and a groove is provided at the top of the folding handle (1) to form a concave part (11).
7. The double-fold handle type separation combination cover according to claim 2, characterized in that: A circular ring-shaped protrusion is protruded downward from the top wall of the upper cavity (31) to form an upper fixing part (32), and a circular ring-shaped protrusion is provided at the top of the inner cover body (42) to form a lower fixing part (41).
8. The double-fold handle type separable combined cover according to claim 6, wherein: A circular ring-shaped flange is provided at the bottom of the folding handle (1), and the thickness of one end of the flange away from the folding handle (1) is cut to form a breaking part (2).