Double-color injection molding freezing pipe

Abstract

According to the technical scheme, the double-color injection molding freezing pipe comprises a pipe body and a pipe cap, the pipe body comprises a transparent base body part and a solid-color identification part, the base body part and the identification part are formed in a double-color injection molding mode, and the base body part, the identification part and the pipe cap are all made of cold-resistant modified PP materials. And a two-dimensional code or a bar code for recording information is arranged on the surface of the identification part. The double-shot molding mode is adopted on the pipe body, so that the low-temperature-resistant freezing pipe is resistant to low temperature, observation is convenient, and meanwhile each freezing pipe can be clearly and independently marked.

Description

TECHNICAL FIELD

[0001] The utility model relates to a freezing tube, especially a double -color injection molding freezing tube. BACKGROUND

[0002] The freezing tube is a kind of experimental tube for low-temperature storage sample, usually is made of high-density polyethylene or polypropylene. It can be used for cell culture, and the working environment of cryopreservation tube is usually stored in gas phase above liquid nitrogen, and the freezing temperature of cryopreservation tube must be uniform during cryopreservation cell storage. The surface of each freezing tube has identification remarks. The past is to adopt the way of label, and this label way is easy to damage in actual use. CONTENT OF UTILITY MODEL

[0003] In view of the above problem, the utility model aims at providing a double -color injection molding freezing tube, its overall structure is reliable, low temperature resistant, and surface identification is clear without changing in low temperature environment.

[0004] The technical scheme of the utility model is a double -color injection molding freezing tube, including pipe body and pipe cap, the pipe body includes transparent base body part and solid identification part, the base body part and identification part adopt double -color injection molding, the base body part, identification part and pipe cap are cold -resistant modified PP material, the identification part surface is provided with the two -dimensional code or bar code of record information.

[0005] Preferably, the identification part is cold -resistant modified PP material with black master batch, and the two -dimensional code or bar code is white material.

[0006] Preferably, the upper outer surface of the base body part is provided with annular limiting part, the upper portion of the annular limiting part is provided with external thread, the inner side of the pipe cap is provided with internal thread engaged with the external thread, the identification part is strip-shaped, the top end of the identification part is below the annular limiting part, and the bottom end of the identification part is at the bottom end of the base body part.

[0007] Preferably, the bottom surface of the base body part is provided with through hole, and the through hole is filled in the double -color injection molding of the identification part.

[0008] Preferably, the outer side of the lower part of the pipe body close to the bottom surface is a tapered surface with the upper part being larger and the lower part being smaller, a plurality of limiting columns are vertically arranged on the tapered surface, and the plurality of limiting columns are uniformly arranged in the circumferential direction.

[0009] The utility model adopts the double -color injection molding mode on the pipe body, is low temperature resistant, can clearly and independently identify each freezing tube while being convenient to observe. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is the structural schematic diagram of the utility model;

[0011] Figure 2 It isFigure 1 Another perspective view of the structure schematic diagram;

[0012] Figure 3 The front view of the utility model;

[0013] Figure 4 For Figure 3 The section view along A-A direction;

[0014] Figure 5 The utility model is an explosion map;

[0015] Figure 6 For Figure 5 Another perspective view of the structure schematic diagram;

[0016] Wherein: 1 - pipe body;11 - base portion;111 - annular limiting portion;12 - identification portion;13 - limiting column;2 - pipe cap. Specific implementation

[0017] The utility model will be further explained in detail in connection with the drawings.

[0018] As Figures 1 to 6 Indicated, the utility model provides a kind of double-color injection molding frozen tube, including pipe body 1 and pipe cap 2, the pipe body 1 includes transparent base portion 11 and solid identification portion 12, the base portion 11 and identification portion 12 use double-color injection molding, the base portion 11, identification portion 12 and pipe cap 2 are cold-resistant modified PP material, the identification portion 12 surface is provided with the two-dimensional code or bar code of record information.

[0019] On the basis of above-mentioned scheme, the identification portion 12 is cold-resistant modified PP material with black master batch, and the two-dimensional code or bar code is white material.

[0020] In addition, the outer surface of the upper portion of the base portion 11 is provided with an annular limiting portion 111, the annular limiting portion 111 is provided with external threads above, the inner side of the pipe cap 2 is provided with internal threads engaged with the external threads, the identification portion 12 is a long strip, the top end of the identification portion 12 is below the annular limiting portion 111, and the bottom end of the identification portion 12 is at the bottom end of the base portion 11.

[0021] In addition, the bottom surface of the base portion 11 is provided with a through hole, and the through hole is filled in the double-color injection molding of the identification portion 12.

[0022] Further, the outer side surface of the lower portion of the pipe body 1 close to the bottom surface is a tapered surface with a large upper part and a small lower part, a plurality of limiting columns 13 are vertically arranged on the tapered surface, and the plurality of limiting columns 13 are uniformly arranged in the circumferential direction.

[0023] The utility model discloses a pipe body is divided into transparent base body part 11 and solid mark part 12, and the whole can realize the storage in liquid nitrogen environment with cold -resistant modified PP, and every freezing pipe sets up independent two -dimensional code or bar code on mark part 12, can mark clearly, and is not easy to damage in the use process.

[0024] The above is only the preferred embodiment of the utility model, and does not limit the utility model in any form, and any simple modification, equivalent change or modification made to the above embodiment according to the technical principle of the utility model still belongs to the range of the utility model technical scheme.

Claims

1. A two-color injection-molded freezing tube, comprising a tube body (1) and a tube cap (2), characterized in that: The tube body (1) comprises a transparent base portion (11) and a solid color marking portion (12); the base portion (11) and the marking portion (12) are formed by two-color injection molding; the base portion (11), the marking portion (12) and the tube cap (2) are all made of cold-resistant modified PP material; a QR code or bar code for recording information is provided on the surface of the marking portion (12).

2. The double-color injection-molded freezing tube according to claim 1, characterized in that: The identification portion (12) is made of a cold-resistant modified PP material with black masterbatch added, and the QR code or barcode is made of white material.

3. The double-color injection-molded freezing tube according to claim 1, characterized in that: The upper outer surface of the base portion (11) is provided with an annular limiting portion (111), an external thread is provided above the annular limiting portion (111), and an internal thread engaged with the external thread is provided on the inner side surface of the pipe cap (2). The marking portion (12) is in the shape of an elongated strip, the top end of the marking portion (12) is located below the annular limiting portion (111), and the bottom end of the marking portion (12) is located at the bottom end of the base portion (11).

4. The double-color injection-molded freezing tube according to claim 3, characterized in that: The bottom surface of the base portion (11) is provided with a through hole, and the identification portion (12) is filled with the through hole during the double-color injection molding.

5. The double-color injection-molded freezing tube according to claim 1, characterized in that: The outer side surface of the lower portion of the tube body (1) near the bottom surface is a conical surface that is larger at the top and smaller at the bottom. A plurality of limiting columns (13) are vertically arranged on the conical surface, and the plurality of limiting columns (13) are evenly arranged along the circumferential direction.

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