Anti-freezing tap water pipeline
By setting up protective pipes and insulation sleeves on the tap water pipes, and using the coordinated design of avoiding recesses and bosses, the problem of freezing cracks and poor insulation effects in winter is solved, achieving better anti-freeze and insulation effects.
Patent Information
- Application Number
- CN202421497389.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-27
- Publication Date
- 2025-03-14
- Estimated Expiration
- 2034-06-27
AI Technical Summary
The existing tap water pipes are prone to freeze and cracking in winter, resulting in water leakage. The connection method of the protective pipe increases the pipeline area, affects the layout, and cold air is prone to seeping into it and affects the insulation effect.
An anti-freeze tap water pipe is designed. By setting up a protective upper and lower semicircular pipes on the water supply pipe, and fixing an arc-shaped insulation sleeve on its inner wall to avoid the coordination design of the concave table and the boss, as well as the vertical limit surface and limit edges, to ensure that the connecting surface of the protection tube is not at the same level as the plane of the insulation sleeve, reduce cold air infiltration, and improve the insulation effect.
Effectively prevents the tap water pipe from freezing and cracking, reduces the pipeline area, facilitates layout, and improves the insulation effect and prevents cold air from seeping in.
Smart Images
Figure CN222616362U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to an antifreeze running water pipeline, belonging to the technical field of running water conveying components. Background Art
[0002] When drinking water is delivered to users through the water supply network, it needs to be transported through water pipes. The water pipes pass through outdoor areas, which can easily cause the water pipes to freeze and crack in winter, causing water leakage. Currently, a layer of insulation is wrapped around the outside of the water pipe, and then a protective tube is set on the outside. The insulation layer and the protective tube are both connected and installed with semicircular tubes, which is convenient for installation and disassembly. However, when the protective tube is fixed, it is connected by connecting flanges and connecting bolts, which increases the pipeline area and is not conducive to layout. In addition, the connection surface of the protective tube and the connection surface of the insulation layer are on the same horizontal plane. Cold wind can easily penetrate from the connection horizontal plane, affecting the insulation effect. Utility Model Content
[0003] The utility model provides an antifreeze running water pipe, which solves the problem that the existing protection pipe is fixed by connecting flanges and connecting bolts, which increases the pipeline area and is not conducive to layout, and the connection surface of the protection pipe and the connection surface of the insulation layer are on the same horizontal plane, so cold wind can easily penetrate from the connection horizontal plane, affecting the insulation effect.
[0004] The utility model relates to an antifreeze running water pipeline, comprising a water supply pipe and a valve, wherein a protective upper semicircular pipe and a protective lower semicircular pipe are arranged on the water supply pipe between adjacent valves, arc-shaped heat-insulating sleeves are fixed in the inner walls of the protective upper semicircular pipe and the protective lower semicircular pipe, an avoidance recess is arranged on the inner side of the top of the protective lower semicircular pipe, an avoidance boss matched with the avoidance recess is arranged on the bottom of the protective upper semicircular pipe, the bottom of the heat-insulating sleeve in the protective upper semicircular pipe is flush with the avoidance boss, the top of the heat-insulating sleeve in the protective lower semicircular pipe is flush with the avoidance recess, vertical limiting surfaces are arranged on the left and right outer walls of the protective lower semicircular pipe, vertical limiting edges matched with the vertical limiting surfaces are arranged on the left and right sides of the protective upper semicircular pipe, a vertical fixing surface is arranged on the outer side of the limiting edge, and locking bolts are arranged on the fixing surface.
[0005] As a preferred embodiment, a positioning cylinder is provided on the protective upper semicircular tube on the outside of the avoidance boss, and a positioning hole cooperating with the positioning cylinder is provided on the top of the protective lower semicircular tube. The bolt holes on the fixing surface and the limiting edge can be quickly located by cooperating with the positioning cylinder and the positioning hole, thereby speeding up the installation.
[0006] As a preferred embodiment, dovetail-shaped anti-slip grooves are provided on the inner walls of the protective upper semicircular tube and the protective lower semicircular tube, and anti-slip protrusions cooperating with the anti-slip grooves are provided on the inner wall of the insulation sleeve to prevent the insulation sleeve from peeling off.
[0007] As a preferred embodiment, a drain pipe is fixed at the middle bottom of the water supply pipe between adjacent valves, a drain pipe is provided with a drain valve, and a closed insulation cap is covered on the drain pipe at the lower part of the drain pipe. When the pipeline is not used for a long time, the drain valve on the drain pipe can be opened to discharge residual tap water to better prevent internal freezing.
[0008] As a preferred embodiment, the bottom of the closed insulation cap is closed, and the inner wall and bottom of the closed insulation cap are both provided with insulation layers. A connecting boss is provided on the outer wall of the drain pipe at the lower part of the drain pipe, and a connecting recess is provided on the inner wall at the top of the closed insulation cap, which is threadedly connected to the connecting boss, to facilitate the installation and disassembly of the closed insulation cap.
[0009] As a preferred embodiment, the protective lower semicircular pipe is divided into two parts from the central axis of the drain pipe, and an avoidance semicircular opening is provided on the inner end surface of the protective lower semicircular pipe to facilitate the installation of the protective lower semicircular pipe.
[0010] The utility model has the following beneficial effects:
[0011] Vertical limiting surfaces are provided on the outer walls on both sides of the protective lower semicircular tube, limiting edges are provided on both sides of the protective upper semicircular tube, an avoidance recess is provided on the inner side of the top of the protective lower semicircular tube, and an avoidance boss is provided on the bottom of the protective upper semicircular tube. In this way, the entry connection surface of the protective tube is vertically arranged, and the connection surface of the insulation sleeve is horizontally arranged. The two are not in the same plane, and a bending step is provided at the intersection. Cold air is not easy to penetrate from the horizontal connection surface, and the insulation effect is better. The locking bolt is arranged on the fixed surface, does not exceed the range of the protective upper semicircular tube, will not increase the pipeline area, and is conducive to layout. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 This is a schematic diagram of the main structure of the utility model;
[0013] Figure 2 It is a schematic diagram of the side cross-sectional structure of the water supply pipe;
[0014] Figure 3 It is a side structural schematic diagram of Example 2;
[0015] Figure 4 This is a schematic diagram of the main structure of Example 3;
[0016] Figure 5 for Figure 4 A schematic diagram of the enlarged structure at A in the middle;
[0017] Figure 6 Schematic diagram of the bottom structure to avoid the semicircular opening;
[0018] In the figure: 1. valve, 2. protecting the upper semicircular tube, 3. fixing surface, 4. locking bolt, 5. protecting the lower semicircular tube, 6. insulation sleeve, 7. water supply pipe, 8. avoidance boss, 9. vertical limit surface, 10. limit edge, 11. positioning cylinder, 12. anti-drop protrusion, 13. drain valve, 14. closed insulation cap, 15. insulation layer, 16. drain pipe, 17. connecting boss, 18. avoidance semicircular opening. DETAILED DESCRIPTION
[0019] The utility model is further described below in conjunction with embodiments.
[0020] Embodiment 1, as Figure 1 to Figure 2 As shown, the utility model is an antifreeze tap water pipeline, comprising a water supply pipe 7 and a valve 1, a protective upper semicircular tube 2 and a protective lower semicircular tube 5 are provided on the water supply pipe 7 between adjacent valves 1, arc-shaped insulation sleeves 6 are fixed in the inner walls of the protective upper semicircular tube 2 and the protective lower semicircular tube 5, an avoidance recess is provided on the inner side of the top of the protective lower semicircular tube 5, an avoidance boss 8 matching the avoidance recess is provided on the bottom of the protective upper semicircular tube 2, the bottom of the insulation sleeve 6 in the protective upper semicircular tube 2 is flush with the avoidance boss 8, the top of the insulation sleeve 6 in the protective lower semicircular tube 5 is flush with the avoidance recess, vertical limiting surfaces 9 are provided on the left and right outer walls of the protective lower semicircular tube 5, vertical limiting edges 10 matching the vertical limiting surfaces 9 are provided on the left and right sides of the protective upper semicircular tube 2, a vertical fixing surface 3 is provided on the outer side of the limiting edge 10, and a locking bolt 4 is provided on the fixing surface 3.
[0021] During installation, the protective lower semicircular tube 5 with the insulation sleeve 6 is put on the lower part of the water supply pipe 7 between the adjacent valves 1, and then the protective upper semicircular tube 2 with the insulation sleeve 6 is put on the upper part of the water supply pipe 7 between the adjacent valves 1, and then the locking bolts 4 are installed in the bolt holes on the fixing surface 3 to fix the protective upper semicircular tube 2 and the protective lower semicircular tube 5 in connection, so that the insulation sleeves 6 in the protective upper semicircular tube 2 and the protective lower semicircular tube 5 can protect the water supply pipe 7 from freezing and cracking.
[0022] Embodiment 2, as Figure 3 As shown, on the basis of Example 1, a positioning cylinder 11 is provided on the protective upper semicircular tube 2 outside the avoidance boss 8, and a positioning hole matching the positioning cylinder 11 is provided on the top of the protective lower semicircular tube 5. When installing the protective upper semicircular tube 2 and the protective lower semicircular tube 5, the positioning cylinder 11 can quickly locate the bolt holes on the fixing surface and the limiting edge by matching the positioning hole.
[0023] The inner walls of the protective upper semicircular tube 2 and the protective lower semicircular tube 5 are provided with dovetail-shaped anti-slip grooves, and the inner wall of the thermal insulation sleeve 6 is provided with anti-slip protrusions 12 that cooperate with the anti-slip grooves.
[0024] Embodiment 3, as Figures 4 to 6As shown, on the basis of embodiment 1 or 2, a drain pipe 16 is fixed at the middle bottom of the water supply pipe 7 between adjacent valves 1, a drain valve 13 is arranged on the drain pipe 16, and a closed heat preservation cap 14 is sleeved on the drain pipe 16 at the lower part of the drain pipe 16. The valve 1 can use a three-way valve.
[0025] The bottom of the closed insulation cap 14 is closed, and the inner wall and the bottom of the closed insulation cap 14 are provided with an insulation layer 15. A connecting boss 17 is provided on the outer wall of the drain pipe 16 at the lower part of the drain pipe 16, and a connecting recess is provided on the inner wall of the top of the closed insulation cap 14, which is threadedly connected to the connecting boss 17.
[0026] The protective lower semicircular tube 5 is divided into two parts from the central axis of the drain pipe 16, and a semicircular opening 18 is arranged on the inner end surface of the protective lower semicircular tube 5. When the water supply pipe 7 between the two valves 1 is not used for a long time, the closed heat preservation cap 14 can be unscrewed, and then the drain valve 13 can be opened to drain the residual water on this section of the water supply pipe 7. After draining, the drain valve 13 is closed, and then the closed heat preservation cap 14 is put on the lower section of the drain pipe 16, and then tightened and fixed.
[0027] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.
[0028] In the description of the present invention, the terms "inside", "outside", "longitudinal", "lateral", "upper", "lower", "top", "bottom" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and do not require that the present invention must be constructed and operated in a specific orientation. Therefore, they should not be understood as limitations on the present invention.
Claims
1. An antifreeze water pipe, comprising a water supply pipe (7) and a valve (1), wherein a protective upper semicircular pipe (2) and a protective lower semicircular pipe (5) are provided on the water supply pipe (7) between adjacent valves (1), and arc-shaped insulation sleeves (6) are fixed to the inner walls of the protective upper semicircular pipe (2) and the protective lower semicircular pipe (5), characterized in that: The top inner side of the protective lower semicircular tube (5) is provided with an avoidance recess, the bottom of the protective upper semicircular tube (2) is provided with an avoidance protrusion (8) matched with the avoidance recess, the bottom of the thermal insulation sleeve (6) in the protective upper semicircular tube (2) is flush with the avoidance protrusion (8), the top of the thermal insulation sleeve (6) in the protective lower semicircular tube (5) is flush with the avoidance recess, the left and right outer walls of the protective lower semicircular tube (5) are provided with vertical limiting surfaces (9), the left and right sides of the protective upper semicircular tube (2) are provided with vertical limiting edges (10) matched with the vertical limiting surfaces (9), the outer sides of the limiting edges (10) are provided with vertical fixing surfaces (3), and the fixing surfaces (3) are provided with locking bolts (4).
2. The antifreeze water pipe according to claim 1, characterized in that: A positioning cylinder (11) is provided on the protective upper semicircular tube (2) outside the avoidance boss (8), and a positioning hole matching the positioning cylinder (11) is provided on the top of the protective lower semicircular tube (5).
3. The antifreeze water pipe according to claim 1, characterized in that: The inner walls of the protective upper semicircular tube (2) and the protective lower semicircular tube (5) are provided with dovetail-shaped anti-slip grooves, and the inner wall of the thermal insulation sleeve (6) is provided with anti-slip protrusions (12) that match the anti-slip grooves.
4. The antifreeze water pipe according to claim 3, characterized in that: A drainage pipe (16) is fixed at the middle bottom of the water supply pipe (7) between adjacent valves (1), a drainage valve (13) is arranged on the drainage pipe (16), and a closed heat-insulating cap (14) is sleeved on the drainage pipe (16) at the lower part of the drainage pipe (16).
5. The antifreeze water pipe according to claim 4, characterized in that: The bottom of the closed thermal insulation cap (14) is closed, the inner wall and the bottom of the closed thermal insulation cap (14) are both provided with a thermal insulation layer (15), a connecting boss (17) is provided on the outer wall of the drain pipe (16) at the lower part of the drain pipe (16), and a connecting recessed platform threadedly connected to the connecting boss (17) is provided on the inner wall of the top of the closed thermal insulation cap (14).
6. The antifreeze water pipe according to claim 5, characterized in that: The protective lower semicircular tube (5) is divided into two parts from the central axis of the drainage pipe (16), and an avoidance semicircular opening (18) is provided on the inner end surface of the protective lower semicircular tube (5).