Nest plate structure

Abstract

The utility model discloses a nest plate structure which comprises a nest plate body, a plurality of containing cylinders used for containing plugs are arranged on the nest plate body, annular grooves are formed in the inner walls of the containing cylinders, the number of the annular grooves corresponds to that of sealing parts of the plugs, and the diameter of each annular groove is larger than that of the sealing part of each plug. And when the plug is arranged in the accommodating cylinder, the sealing part of the plug is arranged in the corresponding annular groove. Compared with the prior art, the plug has the advantages that the structure is simple and reasonable, machining is convenient, space is provided for containing the sealing part through the arrangement of the annular grooves, the sealing part is prevented from being damaged due to long-time extrusion when the plug is placed in the containing cylinder, meanwhile, the sealing part is placed in the corresponding annular groove, the plug in the containing cylinder is limited, and the sealing effect is good. No matter the nest plate is placed positively or negatively, the plug cannot fall out of the containing cylinder without external force.

Description

TECHNICAL FIELD

[0001] The utility model relates to pre-filled syringe plug transfer technical field, concretely is a nest plate structure. BACKGROUND

[0002] Pre-filled syringe, such as the patent application (TW202348259A) disclosed, mainly includes syringe barrel and plug, and the pharmaceutical factory fills the drug into the syringe barrel under the aseptic condition, and then the plug is sealed and fixed at the opening of the syringe barrel through the plug machine (including manual machine, semi-automatic machine and full-automatic machine).

[0003] The plug of the pre-filled syringe is made of rubber or silica gel material as a standard part, so that the plug itself has certain elasticity, and its structure is as shown in Figure 5 The lower end of the plug 2 is in conical structure, and the outer periphery of the plug 2 is provided with three circles of sealing parts 2a, and the inner recess 2b is arranged between the adjacent sealing parts 2a.

[0004] At present, the nest plate is often used to transfer the plug in the plug process, a plurality of cylindrical barrels are arranged on the nest plate, the plug 2 is extruded into the cylindrical barrel by using external force (the plug can be extruded into the nest plate in advance), the plug is fixed in the cylindrical barrel by using the friction force between the plug and the inner wall of the cylindrical barrel, then the nest plate is transferred above the syringe barrel filled with the drug, and then the plug is extruded from the cylindrical barrel by using external force and is inserted into the opening of the syringe barrel. However, the sealing part 2a (the important sealing surface of the sealing syringe barrel later) of the plug extruded into the nest plate in advance is deformed under pressure for a long time, which may have certain influence on the sealing property thereafter, so the existing nest plate structure needs to be further improved. UTILITY MODEL CONTENTS

[0005] The utility model aims at making up for the above-mentioned shortage, and discloses a nest plate structure which is simple in structure, reasonable, convenient to process and can avoid damage to the sealing part of the plug.

[0006] The technical scheme of the utility model is implemented as follows:

[0007] A nest plate structure comprises a nest plate body, a plurality of accommodating barrels for accommodating plugs are arranged on the nest plate body, annular grooves corresponding to the number of sealing parts of the plugs are arranged on the inner wall of the accommodating barrels, and the diameter of the annular grooves is greater than the diameter of the sealing parts of the plugs.

[0008] The measures for further optimizing the technical scheme are as follows:

[0009] As an improvement, the width of the annular groove is greater than the width of the sealing part of the plug. In this way, the annular groove has a larger accommodation space, avoiding the sealing part of the plug being squeezed in the annular groove.

[0010] As an improvement, the middle part of the annular groove is provided with a vertical section.

[0011] As an improvement, the upper end of the vertical section is transitioned by an upper circular arc section with the inner wall of the accommodating cylinder.

[0012] As an improvement, the lower end of the vertical section is transitioned by a lower circular arc section with the inner wall of the accommodating cylinder.

[0013] The upper circular arc section and the lower circular arc section are arranged, so that the sealing part of the plug can be more smoothly when entering and exiting the annular groove, and damage to the sealing part when entering and exiting the annular groove is avoided.

[0014] As an improvement, the upper end of the accommodating cylinder is transitioned by a circular arc with the nest plate body.

[0015] As an improvement, the nest plate body and the accommodating cylinder are in an integrated structure.

[0016] As an improvement, the accommodating cylinder is in a matrix distribution.

[0017] The utility model discloses a nest plate structure, simple structure, reasonable, convenient processing, its through setting up the annular groove corresponding with the sealing part number of plug on the inner wall of accommodating cylinder, when the plug is placed in the accommodating cylinder, the sealing part of plug is placed in the corresponding annular groove.

[0018] The utility model discloses a nest plate structure, simple structure, reasonable, convenient processing, its through setting up the annular groove corresponding with the sealing part number of plug on the inner wall of accommodating cylinder, when the plug is placed in the accommodating cylinder, the sealing part of plug is placed in the corresponding annular groove. ACCURACY

[0019] Figure 1 It is the three-dimensional structure diagram of the utility model embodiment;

[0020] Figure 2 It is the three-dimensional structure diagram of another view of the utility model embodiment;

[0021] Figure 3 It is the sectional structure diagram of the utility model embodiment;

[0022] Figure 4 It is Figure 3 The enlarged view of middle A part;

[0023] Figure 5 is a sectional view of the plug.

[0024] The names of the reference signs in the drawings of the utility model are:

[0025] Nest plate body 1, plug 2, sealing part 2a, inner recess 2b, containing cylinder 3, circular arc 3a, annular groove 31, vertical section 31a, upper circular arc section 31b, lower circular arc section 31c. DETAILED DESCRIPTION

[0026] The utility model will be further described in detail below in combination with the drawings:

[0027] The following description is used to disclose the utility model so that the person skilled in the art can implement the utility model. The preferred embodiments in the following description are only as examples, and other obvious modifications can be thought of by the person skilled in the art. The basic principles of the utility model defined in the following description can be used in other implementation schemes, modification schemes, improvement schemes, equivalent schemes and other technical schemes without departing from the spirit and scope of the utility model.

[0028] The person skilled in the art should understand that in the disclosure of the utility model, the orientation or position indicated by the terms "longitudinal", "transverse", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, which is only for the simplified description of the utility model for the convenience of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore the above-mentioned terms cannot be understood as a limitation on the utility model.

[0029] It can be understood that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of one element can be one, and in another embodiment, the number of the element can be multiple, and the term "one" cannot be understood as a limitation on the number.

[0030] As Figures 1 to 4 shown, a nest plate structure comprises a nest plate body 1, a plurality of containing cylinders 3 for containing plugs 2 are arranged on the nest plate body 1, annular grooves 31 corresponding to the number of sealing parts 2a of the plugs 2 are arranged on the inner wall of the containing cylinders 3, the diameter of the annular grooves 31 is greater than the diameter of the sealing parts 2a of the plugs 2, when the plugs 2 are placed in the containing cylinders 3, the sealing parts 2a of the plugs 2 are placed in the corresponding annular grooves 31.

[0031] The width of the annular groove 31 is greater than the width of the sealing part 2a of the plug 2. In this way, the annular groove 31 has a larger accommodation space, avoiding the sealing part 2a of the plug 2 being squeezed in the annular groove 31.

[0032] The middle part of the annular groove 31 is provided with a vertical section 31a. The outer periphery of the sealing part 2a is in a circular arc structure, which has a certain thickness in the longitudinal space. The vertical section 31a is also provided to avoid the sealing part 2a being squeezed in the annular groove 31.

[0033] The upper end of the vertical section 31a is connected to the inner wall of the accommodating cylinder 3 through an upper circular arc section 31b.

[0034] The lower end of the vertical section 31a is connected to the inner wall of the accommodating cylinder 3 through a lower circular arc section 31c.

[0035] The design of the upper circular arc section 31b and the lower circular arc section 31c makes the sealing part 2a of the plug 2 more smooth when entering and leaving the annular groove 31, and avoids damage to the sealing part 2a when entering and leaving the annular groove 31.

[0036] The upper end of the accommodating cylinder 3 is connected to the nest plate body 1 through a circular arc 3a.

[0037] The nest plate body 1 and the accommodating cylinder 3 are in an integrated structure.

[0038] The accommodating cylinder 3 is in a matrix distribution. That is, it is arranged in a horizontal row M x vertical column N manner, where M and N are positive integers. Figure 1 Only a part of the nest plate is shown, in which the accommodating cylinder 3 is in a 2x2 matrix distribution. In this way, the adjacent accommodating cylinders 3 have a certain space, which facilitates the design of the plug 2 to squeeze into and out of the device.

[0039] As an extension, the accommodating cylinder 3 can also be distributed in a honeycomb shape. Specifically, the accommodating cylinder 3 is arranged at the six vertices of a regular hexagon and the center point, and is distributed in this way on the entire nest plate body 1. In this distribution manner, the accommodating cylinders 3 are more compact, and more accommodating cylinders 3 can be arranged on the same area of the nest plate body 1 than in the matrix distribution.

[0040] The nest plate structure of the utility model, its through setting up corresponding annular groove 31 with the sealing portion 2a quantity of plug 2 on the inner wall of accommodating cylinder 3, when plug 2 is placed in accommodating cylinder 3, the sealing portion 2a of plug 2 is placed in corresponding annular groove 31;The nest plate provides space for accommodating sealing portion 2a by the setting of annular groove 31, avoid plug 2 when being placed in accommodating cylinder 3, sealing portion 2a is extruded for a long time and causes damage, at the same time, sealing portion 2a is placed in corresponding annular groove 31, also limit the plug 2 in accommodating cylinder 3, no matter nest plate is placed or is placed reversely, under the condition of no external force, plug 2 will not fall out of accommodating cylinder 3.

[0041] The above is only the preferred embodiment of the utility model, and does not limit the implementation and protection scope of the utility model, and those skilled in the art should realize that the scheme obtained by equivalent replacement and obvious change of the utility model specification and drawing content should be included in the protection scope of the utility model.

Claims

1. A nesting board structure, comprising a nesting board body (1), characterized in that: The nest plate body (1) is provided with a plurality of receiving cylinders (3) for accommodating plugs (2). The inner wall of the receiving cylinder (3) is provided with annular grooves (31) corresponding to the number of sealing parts (2a) of the plugs (2). The diameter of the annular grooves (31) is larger than the diameter of the sealing parts (2a) of the plugs (2). When the plugs (2) are placed in the receiving cylinders (3), the sealing parts (2a) of the plugs (2) are placed in the corresponding annular grooves (31).

2. The nest plate structure according to claim 1, characterized in that: The width of the annular groove (31) is greater than the width of the sealing part (2a) of the plug (2).

3. The nest plate structure according to claim 2, characterized in that: A vertical section (31a) is provided in the middle of the annular groove (31).

4. The nest plate structure according to claim 3, characterized in that: The upper end of the vertical section (31a) and the inner wall of the receiving cylinder (3) are connected by an upper arc section (31b).

5. A nest plate structure according to claim 4, characterized in that: The lower end of the vertical section (31a) transitions to the inner wall of the receiving cylinder (3) via the lower arc section (31c).

6. A nest plate structure according to claim 5, characterized in that: The upper end of the container cylinder (3) is connected to the nest plate body (1) by an arc (3a).

7. A nest plate structure according to claim 6, characterized in that: The nest plate body (1) and the container cylinder (3) are an integral structure.

8. A nest plate structure according to claim 7, characterized in that: The container cylinders (3) are arranged in a matrix.

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