EPE foam pipe structure and toy water gun structure

Abstract

The utility model belongs to the technical field of toys, and particularly relates to an EPE foam pipe structure and a toy water gun structure, the EPE foam pipe structure comprises a foam extrusion pipe body, an inner hole is arranged in the foam extrusion pipe body, a plurality of receding grooves are formed in the hole wall of the inner hole in an extrusion molding mode, and supporting ribs are formed between the adjacent receding grooves. Therefore, the inner diameter of the foaming extrusion pipe body can be reduced, so that the inner diameter of the middle part of the EPE foam pipe can be met, and the normal use of the middle part of the EPE foam pipe can be ensured. The hole wall of the foaming extrusion pipe body is provided with the receding groove; due to the fact that the inner diameters of the two ends of the EPE foam pipe are smaller, when the two ends of the EPE foam pipe are sleeved, the supporting ribs in the EPE foam pipe deform, and the deformed parts extend into the receding grooves and are filled with the receding grooves. Therefore, the two ends of the EPE foam pipe can be smoothly sleeved.

Description

Technical Field

[0001] The utility model belongs to the technical field of EPE foam tubes, in particular to an EPE foam tube structure and a toy water gun structure. Background Art

[0002] EPE foam tubes are widely used in toys, protection, insulation and other fields. For example, the bullet body of toy soft bullet guns, the protective cover on the steel pipe of fitness equipment, the insulation tube of air conditioner, and the protective cotton on the outer layer of children's toy water guns.

[0003] During the production process, the foam tube is extruded by an EPE extruder and cut into appropriate lengths. After the secondary foaming is stable, it is cut according to the customer's actual size requirements.

[0004] During the extrusion process of foam tubes, the die extrusion temperature is still very high, usually around 100 degrees Celsius. To ensure the dimensional stability of the foam tube after extrusion, it needs to be cooled quickly after extrusion. The outer surface of the foam tube cools easily and evenly, so the outer diameter of the foam tube is relatively stable. However, there are some objective difficulties in cooling the inner diameter of the foam tube. In actual production, the inner diameter of the foam tube is cooled by natural heat dissipation at both ends after online cutting. In this way, the inner diameter of the foam tube is easier to cool quickly and stabilize at both ends. The heat in the middle section of the inner hole dissipates more slowly than at the two ends. Under the action of the heat, the inner hole will expand at different degrees. This leads to the inner diameter of the foam tube being inconsistent between the two ends and the middle section after online cutting. After the secondary foaming is stable, the inner diameter of the cut product is inconsistent. In this case, when the foam tube in the middle section needs to be put on other accessories, the excessive inner diameter of the foam tube will cause looseness, eccentricity and other problems.

[0005] Currently, in order to overcome the above problems, the initial inner diameter of the foam tube is usually reduced. However, due to the reduction in the initial inner diameter, the inner diameter of the foam tube at both ends is smaller, which makes it difficult to fit it onto other objects. Utility Model Content

[0006] The purpose of the utility model is to provide an EPE foam tube structure and a toy water gun structure, which are used to solve the problem that after the existing EPE foam tube is extruded and formed, the inner diameter of the middle part of the EPE foam tube is inconsistent with the inner diameter of the two ends of the EPE foam tube, which makes it inconvenient to put the EPE foam tube on other objects.

[0007] To achieve the above-mentioned purpose, an embodiment of the present invention provides an EPE foam tube structure, including a foam extrusion tube body, wherein an inner hole is provided in the foam extrusion tube body, and a plurality of clearance grooves are extruded on the hole wall of the inner hole, and support ribs are formed between adjacent clearance grooves.

[0008] Furthermore, the number of the supporting ribs is at least three.

[0009] Furthermore, the cross section of the supporting rib is circular, triangular or trapezoidal.

[0010] One or more of the aforementioned technical solutions in the EPE foam tube structure provided by the embodiments of the present invention have at least the following technical effects: The inner diameter of the extruded foam tube body can be reduced, thereby satisfying the inner diameter of the central portion of the EPE foam tube, thereby ensuring proper function of the central portion of the EPE foam tube. Because the inner diameters of the extruded foam tube body are provided with relief grooves, when the ends of the EPE foam tube are fitted together, the smaller inner diameters at the ends cause the internal support ribs of the EPE foam tube to deform during fitting, and the deformed portions extend into and fill the relief grooves. This allows for smooth fitting of both ends of the EPE foam tube.

[0011] A toy water gun structure includes an EPE foam tube structure and an inner tube, wherein the outer diameter of the inner tube is larger than the inner diameter of the inner hole of the foam extrusion tube body; the foam extrusion tube body is sleeved on the outer side of the inner tube, and the inner tube squeezes the supporting ribs, causing the supporting ribs to deform toward the give way grooves on both sides.

[0012] One or more of the above technical solutions in the toy water gun structure provided by the present invention have at least the following technical effects: the EPE foam tube is sheathed over the outer side of the inner tube, and the inner tube compresses the support ribs, causing the support ribs to deform toward the two side recesses. This not only achieves a tight connection between the EPE foam tube and the inner tube, but also allows the EPE foam tube to be smoothly sheathed over the outer side of the inner tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments or descriptions of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0014] Figure 1 This is a structural diagram of the EPE foam tube structure provided in an embodiment of the present utility model.

[0015] Figure 2 A structural diagram of an EPE foam tube structure provided in an embodiment of the present invention having multiple avoidance grooves.

[0016] Figure 3 This is a structural diagram of a toy water gun structure provided by an embodiment of the utility model. DETAILED DESCRIPTION

[0017] The following describes in detail embodiments of the present invention, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the embodiments of the present invention, and should not be construed as limiting the present invention.

[0018] In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of 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.

[0019] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of the technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present invention, "plurality" means two or more, unless otherwise specifically defined.

[0020] In the embodiments of the present invention, unless otherwise expressly specified or limited, the terms "installed," "connected," "connected," "fixed," etc. should be understood in a broad sense. For example, they may refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, indirect connection through an intermediate medium; internal communication between two components, or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in the embodiments of the present invention based on specific circumstances.

[0021] In one embodiment of the EPE foam tube structure of the present invention, please refer to Figure 1 and Figure 2Specifically, the EPE foam tube structure includes a foamed extruded tube body 100, which has an inner hole 101 therein. Multiple relief grooves 102 are extruded into the wall of the inner hole 101, and support ribs 103 are formed between adjacent relief grooves 102. The EPE foam tube structure of this embodiment can reduce the inner diameter of the foamed extruded tube body 100, thereby meeting the inner diameter of the middle portion of the EPE foam tube, ensuring that the middle portion of the EPE foam tube can be used normally and tightly fit with other packaged items. Because the relief grooves 102 are provided in the wall of the foamed extruded tube body 100, when the two ends of the EPE foam tube are installed, the inner diameter of the two ends of the EPE foam tube is smaller. Therefore, when installing the EPE foam tube, the support ribs 103 inside the EPE foam tube will deform, and the deformed parts will extend into and fill the relief grooves 102. This allows the two ends of the EPE foam tube to be installed smoothly.

[0022] Further, refer to Figure 1 and Figure 2 The supporting ribs 103 are at least three in number. This ensures the stability of the EPE foam tube when placed on other objects. Furthermore, the cross-section of the supporting ribs 103 is circular, triangular, or trapezoidal.

[0023] This embodiment provides a toy water gun structure, referring to Figures 1 to 3 The EPE foam tube structure includes the above-described embodiment, and further includes an inner tube 200. The outer diameter of the inner tube 200 is larger than the inner diameter of the inner hole 101 of the foamed extruded tube body 100. The foamed extruded tube body 100 is sleeved onto the outer side of the inner tube 200. The inner tube 200 compresses the support ribs 103, causing them to deform toward the two side recesses 102. This not only achieves a tight connection between the EPE foam tube and the inner tube 200, but also allows the EPE foam tube to be smoothly sleeved onto the outer side of the inner tube.

[0024] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An EPE foam tube structure, comprising a foamed extruded tube body, wherein the foamed extruded tube body is provided with an inner hole, characterized in that: A plurality of relief grooves are formed by extrusion on the wall of the inner hole, and supporting ribs are formed between adjacent relief grooves.

2. The EPE foam tube structure according to claim 1, characterized in that: There are at least three supporting ribs.

3. The EPE foam tube structure according to claim 1, characterized in that: The cross section of the supporting rib is circular, triangular or trapezoidal.

4. A toy water gun structure, characterized in that: It includes the EPE foam tube structure described in any one of claims 1 to 3, and also includes an inner tube, the outer diameter of the inner tube is larger than the inner diameter of the inner hole of the foam extrusion tube body; the foam extrusion tube body is sleeved on the outside of the inner tube, and the inner tube squeezes the support ribs to deform the support ribs toward the give way grooves on both sides.

Images