Medicine bottle assembly and injection pen
By creating mounting holes and adding blocking rings inside the medicine bottle holder, combined with reinforcing ribs and clamping blocks, the problem of cumbersome assembly of medicine bottle components is solved, enabling rapid installation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANGSU WANHAI MEDICAL INSTR CO LTD
- Filing Date
- 2025-04-02
- Publication Date
- 2026-04-10
AI Technical Summary
The existing bottle assembly and bottle holder connection process is cumbersome, resulting in low assembly efficiency.
An installation hole is made inside the medicine bottle holder, and a blocking ring is set at its end to embed the extension ring of the medicine bottle body. Combined with the reinforcing ribs and clamping blocks of the medicine bottle holder, the medicine bottle body and the medicine bottle holder can be quickly installed.
It enables quick installation of the medicine bottle body and the medicine bottle holder, avoids interference, and improves assembly efficiency.
Smart Images

Figure CN224099764U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to injection pen technical field, concretely relates to a medicine bottle subassembly and injection pen. BACKGROUND
[0002] The definition of injection pen is to combine medicine and syringe, usually including pen body, pen cap, medicine bottle subassembly and injection mechanism, its operation is simple, dose is adjustable, automatic zero reset etc., is suitable for self injection, reduces the patient's burden, the existing medicine bottle subassembly usually includes medicine bottle body and medicine bottle support, is connected through thread or buckle etc. between medicine bottle body and medicine bottle support, the operation is complicated, leads to low efficiency when assembling.
[0003] Therefore, how to avoid the operation of assembling the medicine bottle body and the medicine bottle support is complicated is a technical problem that needs to be solved in the field.
[0004] It should be noted that the above information disclosed in the background section of the present application is only used to understand the background technology of the present application, therefore, the above description is not considered as the information of the prior art. INVENTION CONTENTS
[0005] The present application provides at least a medicine bottle subassembly and injection pen.
[0006] In a first aspect, the present application provides a medicine bottle subassembly, comprising: a medicine bottle body, an end of which is integrally provided with an extension ring; a medicine bottle support, an inside of which is provided with a mounting hole for inserting the medicine bottle body, a side wall of the medicine bottle support is provided with a support ring, a top of the support ring is provided with a pair of blocking rings, the blocking rings are coaxially arranged with the medicine bottle support, and a top of the blocking ring is higher than a top of the medicine bottle support; and the extension ring is abutted at a mouth of the mounting hole, and a top of the extension ring is embedded in the blocking ring.
[0007] In an optional embodiment, the side wall of the medicine bottle support is provided with a reinforcing rib, and a top of the reinforcing rib is connected to the support ring.
[0008] In an optional embodiment, the reinforcing ribs are arranged in pairs, an auxiliary rib is arranged between each pair of reinforcing ribs, and a side wall of the auxiliary rib is integrally formed with the side wall of the medicine bottle support.
[0009] In an optional embodiment, the bottom of the medicine bottle support is provided with a clamping portion, two clamping portions are symmetrically arranged along the circumference of the medicine bottle support, and an inner wall of the clamping portion is provided with a clamping block, the clamping block is suitable for clamping the side wall of the medicine bottle body.
[0010] In an optional embodiment, a top of the clamping block is provided with a guide bevel.
[0011] In a second aspect, the disclosure also provides an injection pen, comprising: an upper pen body; a lower pen body connected to the bottom of the upper pen body, the sidewall of the lower pen body is provided with a plurality of insertion notches; the above-mentioned medicine bottle assembly, the sidewall of the blocking ring is provided with an insertion block, the insertion block is clamped in the insertion notch to realize the fixed installation of the medicine bottle body.
[0012] In an optional embodiment, the inner wall of the upper pen body is provided with a pressing block, the pressing block is L-shaped, and the free end of the pressing block abuts against the top of the extension ring.
[0013] In an optional embodiment, the free end of the pressing block is provided with a deformation notch.
[0014] In an optional embodiment, two pressing blocks are symmetrically arranged along the axial direction of the inner wall of the pen body.
[0015] In an optional embodiment, the inner wall of the lower pen body is provided with a support rib; the sidewall of the medicine bottle support is provided with a reinforcing rib, and an auxiliary rib is arranged between each pair of reinforcing ribs; the top of the support rib abuts against the auxiliary rib to support the medicine bottle support.
[0016] The beneficial effects of the present application are that the medicine bottle assembly and the injection pen are provided with installation holes in the medicine bottle support to insert the medicine bottle body, and the blocking ring is arranged at the end of the medicine bottle support to embed the extension ring of the medicine bottle body, so that the medicine bottle body does not interfere with other components, and the rapid installation of the medicine bottle body and the medicine bottle support is realized.
[0017] Other features and advantages of the present application will be described in the following description, and some will become apparent from the description, or will be understood from the practice of the present application. The purpose and other advantages of the present application are realized and obtained by the structure specifically pointed out in the specification, claims and drawings.
[0018] In order to make the above-mentioned purpose, features and advantages of the present application more obvious and easy to understand, the preferred embodiments are described in detail below, and the accompanying drawings are described as follows. BRIEF DESCRIPTION OF DRAWINGS
[0019] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or prior art description. Obviously, the drawings described below are some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.
[0020] Fig. 1 A perspective view of an injection pen according to an embodiment of the present disclosure is provided.
[0021] Fig. 2 A cross-sectional view of an injection pen according to an embodiment of the present disclosure;
[0022] Fig. 3 A cross-sectional view of an injection pen according to an embodiment of the present disclosure;
[0023] Fig. 4 An exploded view of a medicine bottle assembly according to an embodiment of the present disclosure.
[0024] In the drawings:
[0025] 1. Medicine bottle body; 11. Extension ring;
[0026] 2. Medicine bottle holder; 21. Mounting hole; 22. Support ring; 23. Blocking ring; 23a. Inserting block; 24. Reinforcing rib; 24a. Auxiliary rib; 25. Clamping portion; 25a. Clamping block; 25b. Guide bevel;
[0027] 3. Upper pen body; 31. Pressing block; 31a. Deformation notch;
[0028] 4. Lower pen body; 41. Inserting notch; 42. Supporting rib. DETAILED DESCRIPTION
[0029] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme of the present application will be described clearly and completely below in conjunction with the drawings. Obviously, the described embodiments are some embodiments of the present application, but not all embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0030] In this document, when it is mentioned that a first component is located on a second component, it can mean that the first component can be directly formed on the second component, or a third component can be interposed between the first component and the second component. In addition, in the drawings, in order to effectively describe the technical content, the thickness of the components can be exaggerated or reduced.
[0031] The terminology used herein is for the purpose of describing particular example configurations only and is not intended to be limiting. As used herein, the singular articles "a," "an," and "the" can be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and / or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order
[0032] As used herein, the phrases "in an embodiment," "according to an embodiment," "in some embodiments," and the like, generally mean the particular feature, structure, or characteristic following the phrase can be included in at least one embodiment of the present disclosure. Thus, appearances of such phrases in various places throughout this specification are not necessarily intended to refer to the same embodiment. As used herein, the terms "for example," "e.g.," and the like, indicate that the named item is one of a possible plurality of alternatives. Any embodiment, aspect or design described herein as "example" or "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments, aspects or designs. Rather, the use of the terms "example" and "exemplary" is intended to present concepts in a concrete fashion. As used herein, the term "include" and derivatives thereof mean that something is included, but not to the exclusion of something else. Nothing is excluded from the description unless explicitly denoted as such.
[0033] It is found through research that the existing technical medicine bottle body and the medicine bottle support installation / dismounting steps are complicated and inefficient, which is a problem and purpose to be solved by the utility model.
[0034] Based on the above research, the medicine bottle assembly and injection pen provided by the embodiments of the present disclosure complete the insertion of the medicine bottle body by opening a mounting hole on the medicine bottle support, and embed the medicine bottle body in cooperation with the blocking ring.
[0035] The defects of the above solutions are the results obtained by the utility model person after practice and careful research, therefore, the discovery process of the above problems and the solutions proposed by the present disclosure for the above problems in this paper should be the contribution of the utility model person to the present disclosure in the process of the present disclosure.
[0036] It should be noted that: similar reference numerals and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.
[0037] Some embodiments of the present utility model will be described in detail below in combination with the drawings. In the case of no conflict, the following embodiments and features in the embodiments can be combined with each other.
[0038] Referring to Figs. 1 to 4 , show a medicine bottle assembly, comprising: medicine bottle body 1, the end is integrally provided with an extension ring 11; medicine bottle holder 2, the inside is provided with mounting hole 21 to plug medicine bottle body 1, the side wall of the medicine bottle holder 2 is provided with support ring 22, the top of the support ring 22 is provided with a pair of blocking ring 23, the blocking ring 23 is coaxial with the medicine bottle holder 2, and the top of the blocking ring 23 is higher than the top of the medicine bottle holder 2; and the extension ring 11 is supported at the mouth of the mounting hole 21, and the top of the extension ring 11 is embedded in the blocking ring 23; briefly, by setting mounting hole 21 in medicine bottle holder 2, medicine bottle body 1 is inserted, and blocking ring 23 is set at the end of medicine bottle holder 2 to embed extension ring 11 of medicine bottle body 1, which ensures that medicine bottle body 1 does not interfere with other components, and realizes the rapid installation of medicine bottle body 1 and medicine bottle holder 2.
[0039] In some embodiments, the side wall of the medicine bottle holder 2 is provided with reinforcing ribs 24, and the top of the reinforcing ribs 24 is connected to the support ring 22; briefly, by setting reinforcing ribs 24 on the side wall of the medicine bottle holder 2, the rigidity of the medicine bottle holder 2 is improved to ensure that the medicine bottle holder 2 will not be damaged during assembly.
[0040] In some embodiments, the reinforcing ribs 24 are arranged in pairs, and an auxiliary rib 24a is arranged between each pair of reinforcing ribs 24, and the side wall of the auxiliary rib 24a is integrally formed with the side wall of the medicine bottle holder 2; briefly, the auxiliary rib 24a is added to the reinforcing rib 24 holder to further improve the rigidity of the medicine bottle holder 2.
[0041] In some embodiments, the bottom of the medicine bottle holder 2 is provided with a clamping portion 25, the clamping portion 25 is circumferentially symmetrical and provided with two, and the inner wall of the clamping portion 25 is provided with a clamping block 25a, the clamping block 25a is suitable for clamping the side wall of the medicine bottle body 1; briefly, after the medicine bottle body 1 is inserted into the medicine bottle holder 2, the clamping block 25a is suitable for clamping the medicine bottle body 1 to prevent the medicine bottle holder 2 from sliding out.
[0042] In some embodiments, the top of the clamping block 25a is provided with a guide bevel 25b; briefly, this design facilitates the insertion of the medicine bottle body 1.
[0043] In the second aspect, the injection pen is provided by the embodiments of the present disclosure, comprising: an upper pen body 3; a lower pen body 4 connected at the bottom of the upper pen body 3, and a plurality of insertion notches 41 formed in the side wall of the lower pen body 4; the above-mentioned medicine bottle assembly, and an insertion block 23a arranged on the side wall of the blocking ring 23 and clamped in the insertion notches 41 to achieve the fixed installation of the medicine bottle body 1; in short, the insertion block 23a is matched with the insertion notches 41 to complete the installation of the medicine bottle support 2.
[0044] In some embodiments, the inner wall of the upper pen body 3 is provided with a pressing block 31, the pressing block 31 is L-shaped, and the free end of the pressing block 31 abuts against the top of the extension ring 11; in short, the inner wall of the upper pen body 3 is provided with an "L"-shaped pressing block 31, and the pressing block 31 is bent downward to press the extension ring 11 at the top of the medicine bottle body 1, so as to ensure that the medicine bottle body 1 and the medicine bottle support 2 cannot move axially, and the accuracy of the injection dose can be ensured when the injection mechanism pushes the medicine.
[0045] In some embodiments, the free end of the pressing block 31 is provided with a deformation notch 31a; in short, in order to ensure that the pressing block 31 can stably press the extension ring 11, the free end of the pressing block 31 needs to maintain a certain pressure on the extension ring 11, and the deformation notch 31a is formed at the free end of the pressing block 31, so that the free end of the pressing block 31 has a deformation position, thereby avoiding the free end of the pressing block 31 from cracking due to excessive pressure.
[0046] In some embodiments, two pressing blocks 31 are symmetrically arranged along the axial direction of the inner wall of the pen body; in short, the pair of pressing blocks 31 stably press the extension ring 11.
[0047] In some embodiments, the inner wall of the lower pen body 4 is provided with a support rib 42, the side wall of the medicine bottle support 2 is provided with a reinforcing rib 24, and an auxiliary rib 24a is arranged between each pair of reinforcing ribs 24; the top of the support rib 42 abuts against the auxiliary rib 24a to support the medicine bottle support 2; in short, the reinforcing rib 24 abuts against the auxiliary rib 24a to stably support the medicine bottle support 2.
[0048] In the description of the embodiments of the present application, unless otherwise clearly defined and limited, the terms "mounting", "connection", "connecting" should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0049] In the description of the utility model, it is necessary to explain, the term "center", "upper", "lower", "left", "right", "vertical", "horizontal", "internal", "external" and so on indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model. In addition, terms such as "first", "second" and other numerical terms are used in this text, and do not imply order or sequence unless the text is explicitly indicated. Therefore, the above-discussed first element, component, area, layer or section can be referred to as the second element, component, area, layer or section without departing from the teachings of the example embodiments.
[0050] Spatially relative terms, such as "internal", "external", "lower", "under", "bottom", "top", "above", and the like, can be used herein for ease of description to describe one element or feature's relationship to another element(s) or feature(s) as illustrated in the figures. The spatially relative terms can be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the example term "below" can encompass both an orientation of above and below. The device can be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
[0051] In the above discussion, unless otherwise stated, the terms "about", "approximately", "substantially" and the like, when used in describing a numerical value, mean a variation of + / - 10% of the value.
[0052] With the above ideal embodiments according to the utility model as the inspiration, through the above description, relevant staff can definitely make various changes and modifications without deviating from the technical thought of the utility model. The technical scope of the utility model is not limited to the content in the specification, and the technical scope must be determined according to the scope of claims.
Claims
1. A vial assembly, comprising: It includes: The medicine bottle body (1) is integrally provided with an extension ring (11) at one end; The medicine bottle holder (2) is internally provided with a mounting hole (21) to insert the medicine bottle body (1), the side wall of the medicine bottle holder (2) is provided with a supporting ring (22), the top of the supporting ring (22) is provided with a pair of blocking rings (23), the blocking rings (23) are coaxially arranged with the medicine bottle holder (2), and the top of the blocking rings (23) is higher than the top of the medicine bottle holder (2); and The extension ring (11) abuts at the mouth of the mounting hole (21), and the top of the extension ring (11) is embedded in the blocking ring (23).
2. The medicine bottle assembly of claim 1, wherein The side wall of the medicine bottle holder (2) is provided with a reinforcing rib (24), and the top of the reinforcing rib (24) is connected to the supporting ring (22).
3. The medicine bottle assembly of claim 2, wherein The reinforcing ribs (24) are arranged in pairs, an auxiliary rib (24a) is arranged between each pair of reinforcing ribs (24), and the side wall of the auxiliary rib (24a) is integrally formed with the side wall of the medicine bottle holder (2).
4. The medicine bottle assembly of claim 1, wherein The bottom of the medicine bottle holder (2) is provided with a clamping portion (25), the clamping portion (25) is symmetrically arranged circumferentially along the medicine bottle holder (2), and the inner wall of the clamping portion (25) is provided with a clamping block (25a) adapted to clamp the side wall of the medicine bottle body (1).
5. The medicine bottle assembly of claim 4, wherein The top of the clamping block (25a) is provided with a guide bevel (25b).
6. An injection pen characterized in that It includes: The upper pen body (3); The lower pen body (4) is connected to the bottom of the upper pen body (3), and the side wall of the lower pen body (4) is provided with a plurality of insertion notches (41); The medicine bottle assembly of any one of claims 1-5, the side wall of the blocking ring (23) is provided with an insertion block (23a), the insertion block (23a) is clamped in the insertion notch (41) to achieve fixed installation of the medicine bottle body (1).
7. The injection pen of claim 6, wherein The inner wall of the upper pen body (3) is provided with a pressing block (31), the pressing block (31) is L-shaped, and the free end of the pressing block (31) abuts the top of the extension ring (11).
8. The injection pen of claim 7, wherein The free end of the pressing block (31) is provided with a deformation notch (31a).
9. The injection pen of claim 7, wherein The pressing block (31) is symmetrically arranged along the axial direction of the inner wall of the pen body.
10. The injection pen of claim 6, wherein The inner wall of the lower pen body (4) is provided with a supporting rib (42); The side wall of the medicine bottle holder (2) is provided with a reinforcing rib (24), and an auxiliary rib (24a) is arranged between each pair of reinforcing ribs (24); The top of the supporting rib (42) abuts the auxiliary rib (24a) to support the medicine bottle holder (2).