Environment-friendly high-density polyethylene hollow pipe

Abstract

The utility model discloses an environment-friendly high-density polyethylene hollow pipe, and belongs to the field of polyethylene hollow pipes. Comprising an outer pipe and an inner pipe, the supporting structure is arranged between the inner pipe and the outer pipe; the connector is used for connecting the two hollow pipes and ensuring concentric connection of the inner pipes; the supporting structure comprises supporting seats which are circumferentially distributed on the inner wall of the outer pipe and extend along the axis and supporting strips which are circumferentially distributed on the outer wall of the inner pipe and extend along the axis, and the supporting seats are provided with mounting grooves for the supporting strips to be inserted in. The buffering assembly is arranged on the supporting structure and used for buffering external impact; the connector comprises a connecting sleeve and a connecting piece fixedly arranged on the outer wall of the connecting sleeve, and a connecting groove for fixing the supporting seat is formed in the connecting piece. The environment-friendly high-density polyethylene hollow pipe has the beneficial effect that the connection coaxiality is guaranteed.

Description

Technical Field

[0001] The present application relates to the field of polyethylene hollow tubes, and in particular to environmentally friendly high-density polyethylene hollow tubes. Background Art

[0002] The polyethylene hollow pipe is a pipe made of 100% high-density polyethylene. The double-layer axial hollow wall pipe has obvious advantages such as good connection sealing, corrosion resistance, convenient transportation, fast construction, and time saving. It is suitable for municipal rainwater, sewage projects, water conservancy projects, and pipe-in-canal projects. The existing polyethylene double-layer axial hollow wall pipe has the following problems: when connecting the existing polyethylene double-layer axial hollow wall pipe, a gasket is placed between the two polyethylene hollow wall winding pipes, and then a sealing bag is put on the outer periphery of the connection between the two polyethylene hollow wall winding pipes, and then the sealing bag and the two polyethylene hollow wall winding pipes are clamped with a clamp, but because the external pipe blocks the line of sight, the coaxial docking of the inner pipe cannot be guaranteed.

[0003] The structure of the product can refer to a hollow wall winding tube connection device disclosed in Chinese patent document publication number: CN217874739U, a first winding tube, a second winding tube, a first connecting piece and a second connecting piece, one end of the first winding tube and one end of the second winding tube are connected and fixed by hot melt welding, and a plurality of protrusions are evenly provided on the surfaces of the first winding tube and the second winding tube, a plurality of limiting grooves are evenly opened on the inner sides of the first connecting piece and the second connecting piece, and the limiting grooves are embedded with protrusions.

[0004] The above structure cannot ensure the concentricity of the pipe during connection, resulting in an unreliable connection.

[0005] Therefore, an environmentally friendly high-density polyethylene hollow tube that ensures connection coaxiality is needed. Utility Model Content

[0006] The content of this application is used to introduce concepts in a brief form, which will be described in detail in the detailed implementation section below. The content of this application is not intended to identify the key features or essential features of the technical solution claimed for protection, nor is it intended to limit the scope of the technical solution claimed for protection.

[0007] In order to solve the technical problems mentioned in the above background technology part, some embodiments of the present application provide an environmentally friendly high-density polyethylene hollow tube, including: an outer tube, an inner tube; a support structure, arranged between the inner tube and the outer tube; a connecting head, used to connect the two hollow tubes to ensure that the inner tube and the outer tube are concentrically connected; the supporting structure includes: a support seat circumferentially distributed on the inner wall of the outer tube and extending along the axis, and a support strip circumferentially distributed on the outer wall of the inner tube and extending along the axis, and the support seat is provided with an installation groove for inserting the support strip; a buffer assembly, arranged on the support structure, for buffering external impacts; the connecting head includes: a connecting sleeve and a connecting piece fixedly arranged on the outer wall of the connecting sleeve, and the connecting piece is provided with a connecting groove for fixing the support seat.

[0008] Furthermore, a connecting rod is fixedly connected to the connecting sleeve, one end of the connecting rod is fixedly connected to a limiting ring, and a circumferentially arranged positioning bolt is threadedly connected to the limiting ring.

[0009] Furthermore, a limiting boss embedded in the installation groove is fixedly connected to the connector, a limiting groove is arranged on the limiting boss, and a limiting head embedded in the installation groove is slidably connected in the limiting groove along the radial direction of the pipeline.

[0010] Furthermore, an abutment block which slides along the axial direction of the pipeline is arranged in the limiting groove, and an abutment surface which contacts with the abutment block and is arranged obliquely is arranged on the limiting head.

[0011] Furthermore, a screw rod having one end inserted into the limiting groove is rotatably connected to the connecting piece, and the screw rod passes through the abutment block and is threadedly connected to the abutment block.

[0012] Furthermore, the buffer assembly includes: an abutment head arranged at one end of the support bar and a buffer gasket arranged in the installation groove and in contact with the abutment head.

[0013] Furthermore, a plurality of positioning rings are arranged between the outer tube and the inner tube, and a damping layer is arranged between the inner wall of the positioning ring and the outer wall of the inner tube.

[0014] Furthermore, a plurality of groups of connection columns inserted into the installation grooves are fixedly connected circumferentially on the outer wall of the positioning ring.

[0015] The beneficial effect of the present application is that it provides an environmentally friendly high-density polyethylene hollow tube that ensures connection coaxiality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings constituting a part of this application are used to provide a further understanding of this application, so that other features, purposes and advantages of this application become more obvious. The illustrative embodiment drawings and their descriptions of this application are used to explain this application and do not constitute an improper limitation on this application.

[0017] In addition, throughout the drawings, the same or similar reference numerals represent the same or similar elements. It should be understood that the drawings are schematic and that the components and elements are not necessarily drawn to scale.

[0018] In the attached picture:

[0019] Figure 1 is an overall schematic diagram according to an embodiment of the present application;

[0020] Figure 2 yes Figure 1 The cross-sectional structure diagram of the outer tube of the embodiment;

[0021] Figure 3 yes Figure 1 A schematic diagram of the installation of the support base in the embodiment;

[0022] Figure 4 yes Figure 3 A partial enlarged view of an embodiment;

[0023] Figure 5 yes Figure 2 A partial enlarged view of an embodiment;

[0024] Figure 6 yes Figure 1 A cross-sectional structural diagram of a connector in an embodiment.

[0025] Reference numerals:

[0026] 100. Outer tube; 101. Inner tube; 102. Support structure; 103. Connecting head; 104. Support seat; 105. Support bar; 106. Mounting groove; 107. Connecting sleeve; 108. Connecting piece; 109. Connecting groove; 110. Limiting boss; 111. Limiting groove; 112. Limiting head; 113. Abutment block; 114. Abutment surface; 115. Screw; 116. Connecting rod; 117. Limiting ring; 118. Positioning bolt; 119. Abutment; 120. Buffer gasket; 121. Positioning ring. DETAILED DESCRIPTION

[0027] Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although certain embodiments of the present disclosure are shown in the accompanying drawings, it should be understood that the present disclosure can be implemented in various forms and should not be construed as being limited to the embodiments set forth herein. On the contrary, these embodiments are provided to provide a more thorough and complete understanding of the present disclosure. It should be understood that the drawings and embodiments of the present disclosure are only for exemplary purposes and are not intended to limit the scope of protection of the present disclosure.

[0028] It should also be noted that, for ease of description, only the parts related to the invention are shown in the drawings. In the absence of conflict, the embodiments and features in the embodiments of the present disclosure can be combined with each other.

[0029] It should be noted that the concepts such as "first" and "second" mentioned in the present disclosure are only used to distinguish different devices, modules or units, and are not used to limit the order or interdependence of the functions performed by these devices, modules or units.

[0030] It should be noted that the modifications of "one" and "plurality" mentioned in the present disclosure are illustrative rather than restrictive, and those skilled in the art should understand that unless otherwise clearly indicated in the context, it should be understood as "one or more".

[0031] The present disclosure will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments.

[0032] Reference Figure 1-4 The environmentally friendly high-density polyethylene hollow tube comprises: an outer tube 100, an inner tube 101, a support structure 102, and a connector 103. The support structure 102 is arranged between the inner tube 101 and the outer tube 100, and the support structure 102 comprises: a support seat 104 circumferentially distributed on the inner wall of the outer tube 100 and extending along the axis, and a support bar 105 circumferentially distributed on the outer wall of the inner tube 101 and extending along the axis. The support seat 104 is provided with an installation groove 106 for inserting the support bar 105, and the inner tube 101 and the outer tube 100 are combined by inserting the support bar 105 into the installation groove 106. The connector 103 is used to connect two hollow tubes to ensure the concentric connection of the inner tube 101. The connector 103 includes: a connecting sleeve 107 and a connecting piece 108 fixedly arranged on the outer wall of the connecting sleeve 107. The connecting piece 108 is provided with a connecting groove 109 for fixing the support seat 104. The support seat 104 is embedded in the connecting groove 109, so that the connector 103 is installed on one end of the hollow tube. A limiting boss 110 is fixedly connected to the connecting piece 108 and is embedded in the installation groove 106. A limiting groove 111 is provided on the limiting boss 110. A limiting head 112 is inserted into the installation groove 106 and is connected to the limiting groove 111 and is slidable along the radial direction of the pipeline. An abutment block 113 is provided in the limiting groove 111 and slides along the axial direction of the pipeline. The limiting head 112 is provided with an abutment surface 114 that contacts the abutment block 113 and is inclined. The connector 108 is rotatably connected to a screw rod 115 having one end inserted into the limiting groove 111, and the screw rod 115 passes through the abutment block 113 and is threadedly connected to the abutment block 113. The abutment block 113 is driven to move by rotating the screw rod 115, and the limiting head 112 slides along the radial direction of the pipeline under the action of the abutment surface 114, abuts against the support seat 104, and the connector 103 is installed, and the connector 103 is adjusted to be coaxial with the outer tube 100.

[0033] A connecting rod 116 is fixedly connected to the connecting sleeve 107, one end of which is fixedly connected to a limiting ring 117, and a circumferentially arranged positioning bolt 118 is threadedly connected to the limiting ring 117. By sleeved the limiting ring 117 on one of the inner tubes 101 to be connected and limiting the inner tube 101 by the positioning bolt 118, the two inner tubes 101 to be connected are made coaxial.

[0034] A buffer assembly is provided between the inner tube 101 and the outer tube 100, and the buffer assembly includes: an abutment head 119 provided at one end of the support bar 105 and a buffer gasket 120 provided in the mounting groove 106 and in contact with the abutment head 119. A plurality of positioning rings 121 are provided between the outer tube 100 and the inner tube 101. A plurality of connecting columns 122 inserted into the mounting groove 106 are fixedly connected circumferentially on the outer wall of the positioning ring 121, and the mounting column 122 abuts against the support seat 104. A damping layer 123 is provided between the inner wall of the positioning ring 121 and the outer wall of the inner tube 101, and the impact on the outer tube 100 is buffered by the damping layer 123.

[0035] Working or installation process: by placing the connecting sleeve 107 into the outer tube 100 and sleeved on the inner tube 101, the support seat 104 is embedded in the connecting groove 109, and the abutment block 113 is driven to move by rotating the screw 115. Under the action of the abutment surface 114, the limit head 112 slides along the radial direction of the pipeline and abuts against the support seat 104, and the connecting head 103 is installed. At the same time, the connecting head 103 is adjusted to be coaxial with the outer tube 100. By sleeved the limit ring 117 on the other inner tube 101, the two inner tubes 101 are coaxially arranged by the positioning bolt 118, which is convenient for connection.

[0036] The above descriptions are only some preferred embodiments of the present disclosure and an explanation of the technical principles used. Those skilled in the art should understand that the scope of the invention involved in the embodiments of the present disclosure is not limited to the technical solutions formed by a specific combination of the above-mentioned technical features, but should also cover other technical solutions formed by any combination of the above-mentioned technical features or their equivalent features without departing from the above-mentioned inventive concept. For example, the above-mentioned features are replaced with the technical features with similar functions disclosed in the embodiments of the present disclosure (but not limited to) and the technical solutions formed.

Claims

1. Environmentally friendly high-density polyethylene hollow tube, characterized by: include: Outer tube, inner tube; A support structure is arranged between the inner tube and the outer tube; Connector, used to connect two hollow tubes to ensure that the inner tube and the outer tube are concentrically connected; The support structure comprises: Support seats circumferentially distributed on the inner wall of the outer tube and extending along the axis, and support strips circumferentially distributed on the outer wall of the inner tube and extending along the axis, wherein the support seats are provided with mounting grooves for inserting the support strips; A buffer component is arranged on the supporting structure and is used to buffer external impact; The connector comprises: A connecting sleeve and a connecting piece fixedly arranged on the outer wall of the connecting sleeve, wherein a connecting groove for fixing a supporting seat is provided on the connecting piece.

2. The environmentally friendly high-density polyethylene hollow tube according to claim 1, characterized in that: The connecting sleeve is fixedly connected with a connecting rod, one end of the connecting rod is fixedly connected with a limiting ring, and the limiting ring is threadedly connected with circumferentially arranged positioning bolts.

3. The environmentally friendly high-density polyethylene hollow tube according to claim 2, characterized in that: The connector is fixedly connected with a limiting boss embedded in the installation groove, the limiting boss is provided with a limiting groove, and the limiting groove is provided with a limiting head slidably connected along the radial direction of the pipeline and embedded in the installation groove.

4. The environmentally friendly high-density polyethylene hollow tube according to claim 3, characterized in that: An abutment block which slides along the axial direction of the pipeline is arranged in the limiting groove, and an abutment surface which contacts with the abutment block and is arranged obliquely is arranged on the limiting head.

5. The environmentally friendly high-density polyethylene hollow tube according to claim 4, characterized in that: The connecting piece is rotatably connected to a screw rod with one end inserted into the limiting groove, and the screw rod passes through the abutment block and is threadedly connected to the abutment block.

6. The environmentally friendly high-density polyethylene hollow tube according to claim 5, characterized in that: The buffer assembly comprises: an abutment head arranged at one end of the support bar and a buffer gasket arranged in the installation groove and in contact with the abutment head.

7. The environmentally friendly high-density polyethylene hollow tube according to claim 6, characterized in that: A plurality of positioning rings are arranged between the outer tube and the inner tube, and a damping layer is arranged between the inner wall of the positioning ring and the outer wall of the inner tube.

8. The environmentally friendly high-density polyethylene hollow tube according to claim 7, characterized in that: The outer wall of the positioning ring is circumferentially fixedly connected with a plurality of groups of connecting columns inserted into the installation grooves.

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