Heat preservation protective shell for metal elbow
The design of the insulation and anti-detachment mechanism solves the installation problem and loosening and falling off of the metal elbow insulation shell, achieving a stable connection and efficient insulation.
Patent Information
- Application Number
- CN202520498338.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-20
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-03-20
AI Technical Summary
Traditional metal elbow insulation shells are difficult to install, prone to falling off, and have loose connections, affecting the insulation effect.
It adopts a heat preservation mechanism and an anti-detachment mechanism, including a heat preservation sleeve, a fixing plate, a slot, a sealing ring, bolts and buckles, which can achieve quick installation and fixation through snap-fit and threaded connection; the anti-detachment mechanism uses components such as anti-detachment plate, limit rod, and elastic block to prevent loosening and falling off.
It enables quick installation and secure connection of metal elbows, improves insulation performance, and reduces loosening and detachment of connections during long-term use.
Smart Images

Figure CN223806839U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to elbow related technical field especially relates to a metal elbow heat preservation shell. BACKGROUND
[0002] Elbow is the pipe fitting of changing pipeline direction, also has non normal angle elbow according to angle, and the material of elbow has cast iron, stainless steel, alloy steel, forgeable cast iron, carbon steel, nonferrous metal and plastic etc., and the mode of connecting with pipe has: direct welding flange connection, hot melt connection, electric melt connection, screw thread connection and socket type connection etc., can be divided into according to production process: welding elbow, stamping elbow, push elbow, casting elbow, butt welding elbow etc., other names: right angle elbow etc., thereby needing a metal elbow heat preservation shell.
[0003] The metal elbow heat preservation shell on the market has the following problems when in use:
[0004] 1, the traditional metal elbow heat preservation shell is difficult to install to the surface of the metal elbow when being applied, and is difficult to disassemble, and is easy to fall off during the installation process, resulting in low heat preservation effect;
[0005] 2, most of the metal elbow heat preservation shells are used for a long time, and the connecting part is easy to loosen, even the situation of falling off, which affects the normal conveying of the metal elbow. UTILITY MODEL CONTENTS
[0006] The utility model aims at solving one of the above technical problems at least to some extent.
[0007] Therefore, one purpose of the utility model is to provide a metal elbow heat preservation shell, which can quickly install the heat preservation sleeve to the surface of the metal elbow through the heat preservation mechanism of the metal elbow heat preservation shell, strengthen the heat preservation effect of the heat preservation sleeve, and facilitate disassembly, and through the anti-falling mechanism, the connecting part is not easy to loosen after long-time use of the metal elbow, and the situation of falling off is reduced.
[0008] In order to achieve the above purpose, the utility model provides the following technical scheme: a metal elbow heat preservation shell, which comprises an elbow pipeline, the outer wall of the elbow pipeline is provided with a heat preservation mechanism, and the outer wall of the elbow pipeline is provided with an anti-falling mechanism;
[0009] The heat preservation mechanism comprises a heat preservation sleeve, a fixed plate, a clamping groove, a sealing ring, a mounting piece, a bolt and a buckle, the outer wall of the elbow pipeline is slidably connected with the heat preservation sleeve, the outer wall of the heat preservation sleeve is fixedly provided with the fixed plate, the outer wall of the fixed plate is provided with the clamping groove, the outer wall of the fixed plate is provided with the sealing ring, the outer wall of the elbow pipeline is fixedly provided with the mounting piece, the outer wall of the mounting piece is threadedly connected with the bolt, and the outer wall of the mounting piece is provided with the buckle.
[0010] Preferably, the inner wall of the heat preservation sleeve is sized to match the outer wall of the elbow pipe, and the clamping grooves are equidistantly arranged on the outer wall of the fixing plate.
[0011] Preferably, the clamping grooves and the buckles form a sliding structure, and the heat preservation sleeve and the fixing plate are installed on the outer wall of the elbow pipe.
[0012] Preferably, the bolts are equidistantly arranged on the outer wall of the mounting member, and the buckles are equidistantly arranged on the outer wall of the mounting member.
[0013] Preferably, the anti-disengagement mechanism comprises an anti-disengagement plate, a limiting rod, an elastic clamping block, a threaded cavity, an anti-disengagement pipe, a sealing ring, a sliding groove, a sliding block and a spring, the outer wall of the elbow pipe is fixed with the anti-disengagement plate, the outer wall of the anti-disengagement plate is installed with the limiting rod, one end of the limiting rod is fixed with the elastic clamping block, the inner wall of the elbow pipe is provided with the threaded cavity, the inner wall of the threaded cavity is rotatably connected with the anti-disengagement pipe, the inside of the anti-disengagement pipe is installed with the sealing ring, the outer wall of the anti-disengagement pipe is provided with the sliding groove, the inner wall of the sliding groove is slidably connected with the sliding block, and the outer wall of the sliding block is installed with the spring.
[0014] Preferably, the anti-disengagement plate is symmetrically arranged with the central axis of the elbow pipe, and the limiting rod is symmetrically arranged with the central axis of the elbow pipe.
[0015] Preferably, the threaded cavity and the anti-disengagement pipe form a rotating structure, and the sliding block and the sliding groove form a sliding structure.
[0016] Compared with the prior art, the metal elbow heat preservation shell has the advantages that: when the surface of the elbow pipe is heat preserved, the heat preservation sleeve is sleeved on the surface of the elbow pipe, the clamping grooves on the fixing plate are aligned with the buckles on the outer wall of the mounting member, then the sealing ring is put into the fixing plate and the mounting member, the buckles and the clamping grooves are clamped by rotating the fixing plate, the sealing ring seals the clamping position of the fixing plate and the mounting member, gas is prevented from entering, the fixing effect is improved, the heat preservation sleeve is fixed to the surface of the elbow pipe, the mounting member and the fixing plate are fixed again by the bolts, the fixing effect is further improved, and the surface of the elbow pipe is heat preserved; when the elbow pipe needs to be prevented from disengaging, the anti-disengagement pipe is first fixed to the use position, the anti-disengagement pipe is rotated and fixed into the threaded cavity on the inside of the elbow pipe, then the limiting rod on one side of the anti-disengagement pipe is aligned with the groove in the anti-disengagement plate, the limiting rod is pushed to penetrate the anti-disengagement plate and the anti-disengagement pipe, and the elastic clamping block is retracted during the penetration process, so that the elastic clamping block and the limiting rod fix the anti-disengagement pipe and the elbow pipe; when the anti-disengagement pipe is damaged, the elastic clamping block is pushed, the limiting rod is removed, the sliding block is moved in the sliding groove by the contraction of the spring, then the sliding block drives the limiting rod to be stored and clamped to one side of the anti-disengagement pipe, and the elbow pipe is prevented from disengaging. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is the overall appearance structure schematic view of the utility model;
[0018] Figure 2 It is the heat preservation cover and sealing ring cooperation structure schematic view of the utility model;
[0019] Figure 3 It is the mounting piece and bolt cooperation structure schematic view of the utility model;
[0020] Figure 4 It is the anti-drop plate and limiting rod cooperation structure schematic view of the utility model;
[0021] Figure 5 It is the elastic clamping block and thread cavity cooperation structure schematic view of the utility model.
[0022] In the drawing: 1, elbow pipe; 2, heat preservation mechanism; 21, heat preservation cover; 22, fixed plate; 23, clamping groove; 24, sealing ring; 25, mounting piece; 26, bolt; 27, buckle; 3, anti-drop mechanism; 31, anti-drop plate; 32, limiting rod; 33, elastic clamping block; 34, thread cavity; 35, anti-drop pipe; 36, sealing ring; 37, sliding slot; 38, sliding block; 39, spring. DETAILED DESCRIPTION
[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the scope of the utility model.
[0024] Please refer to Figures 1-5 The utility model provides a kind of technical scheme: a metal elbow heat preservation shell, including elbow pipe 1, the outer wall of elbow pipe 1 is provided with heat preservation mechanism 2, the outer wall of elbow pipe 1 is provided with anti-drop mechanism 3;
[0025] The heat preservation mechanism 2 comprises a heat preservation sleeve 21, a fixed plate 22, a clamping groove 23, a sealing ring 24, a mounting piece 25, a bolt 26 and a buckle 27, the outer wall of the elbow pipeline 1 is slidably connected with the heat preservation sleeve 21, the outer wall of the heat preservation sleeve 21 is fixedly connected with the fixed plate 22, the outer wall of the fixed plate 22 is provided with the clamping groove 23, the outer wall of the fixed plate 22 is provided with the sealing ring 24, the outer wall of the elbow pipeline 1 is fixedly connected with the mounting piece 25, the outer wall of the mounting piece 25 is threadedly connected with the bolt 26, and the outer wall of the mounting piece 25 is provided with the buckle 27. Through the arrangement of the heat preservation sleeve 21, the fixed plate 22, the clamping groove 23, the sealing ring 24, the mounting piece 25, the bolt 26 and the buckle 27, when the elbow pipeline 1 is used, the heat preservation sleeve 21 is sleeved on the surface of the elbow pipeline 1, the clamping groove 23 on the fixed plate 22 is aligned with the buckle 27 on the outer wall of the mounting piece 25, then the sealing ring 24 is arranged in the fixed plate 22 and the mounting piece 25, the buckle 27 is clamped with the clamping groove 23 by rotating the fixed plate 22, the sealing ring 24 seals the clamping position of the mounting piece 25 and the fixed plate 22, gas is prevented from entering, the fixing effect is improved, the heat preservation sleeve 21 is fixed to the surface of the elbow pipeline 1, and the mounting piece 25 and the fixed plate 22 are fixed again by the bolt 26, so that the fixing effect is enhanced, and the surface of the elbow pipeline 1 is heat-preserved.
[0026] Further, the anti-dropping mechanism 3 comprises an anti-dropping plate 31, a limiting rod 32, an elastic clamping block 33, a threaded cavity 34, an anti-dropping pipe 35, a sealing ring 36, a sliding groove 37, a sliding block 38 and a spring 39, the outer wall of the elbow pipeline 1 is fixedly connected with the anti-dropping plate 31, the outer wall of the anti-dropping plate 31 is provided with the limiting rod 32, one end of the limiting rod 32 is fixedly connected with the elastic clamping block 33, the inner wall of the elbow pipeline 1 is provided with the threaded cavity 34, the inner wall of the threaded cavity 34 is rotatably connected with the anti-dropping pipe 35, the inside of the anti-dropping pipe 35 is provided with the sealing ring 36, the outer wall of the anti-dropping pipe 35 is provided with the sliding groove 37, the inner wall of the sliding groove 37 is slidably connected with the sliding block 38, and the outer wall of the sliding block 38 is provided with the spring 39. Through the arrangement of the anti-dropping plate 31, the limiting rod 32, the elastic clamping block 33, the threaded cavity 34, the anti-dropping pipe 35, the sealing ring 36, the sliding groove 37, the sliding block 38 and the spring 39, when the elbow pipeline 1 needs to be prevented from falling off, the anti-dropping pipe 35 is fixed to the use position, the anti-dropping pipe 35 is rotated, the anti-dropping pipe 35 is arranged in the threaded cavity 34 on the inner side of the elbow pipeline 1, then the limiting rod 32 on one side of the anti-dropping pipe 35 is aligned with the groove in the anti-dropping plate 31, the limiting rod 32 is pushed, the limiting rod 32 penetrates through the anti-dropping plate 31 and the anti-dropping pipe 35, and the elastic clamping block 33 is retracted during the penetration process under the pushing force of the limiting rod 32, so that the elastic clamping block 33 and the limiting rod 32 fix the anti-dropping pipe 35 and the elbow pipeline 1, when the anti-dropping pipe 35 is damaged, the elastic clamping block 33 is pushed, the limiting rod 32 is taken down, the sliding block 38 is moved in the sliding groove 37 by the retraction of the spring 39, then the sliding block 38 drives the limiting rod 32 to be stored, and the limiting rod 32 is clamped on one side of the anti-dropping pipe 35, so that the elbow pipeline 1 is prevented from falling off.
[0027] Further, the inner wall size of the heat preservation sleeve 21 matches the outer wall size of the elbow pipeline 1, and the clamping grooves 23 are equidistantly arranged on the outer wall of the fixing plate 22. Through the arrangement of the heat preservation sleeve 21, the heat preservation sleeve 21 is sleeved on the surface of the elbow pipeline 1.
[0028] Further, the clamping grooves 23 and the buckles 27 constitute a sliding structure, the heat preservation sleeve 21 and the fixing plate 22 are installed on the outer wall of the elbow pipeline 1, through the arrangement of the clamping grooves 23, the clamping grooves 23 on the fixing plate 22 are aligned with the buckles 27 on the outer wall of the mounting piece 25, the sealing ring 24 is placed in the fixing plate 22 and the mounting piece 25, and the fixing plate 22 is rotated to make the buckles 27 and the clamping grooves 23 clamped.
[0029] Further, the bolts 26 are equidistantly arranged on the outer wall of the mounting piece 25, and the buckles 27 are equidistantly arranged on the outer wall of the mounting piece 25. Through the arrangement of the bolts 26, the sealing ring 24 is sealed at the clamping position of the mounting piece 25 and the fixing plate 22, so that gas is prevented from entering and the fixing effect is improved. The heat preservation sleeve 21 is fixed to the surface of the elbow pipeline 1, and the bolts 26 further fix the mounting piece 25 and the fixing plate 22, thereby enhancing the fixing effect.
[0030] Further, the anti-dropping plates 31 are symmetrically arranged with the central axis of the elbow pipeline 1, and the limiting rods 32 are symmetrically arranged with the central axis of the elbow pipeline 1. Through the arrangement of the anti-dropping plates 31, the anti-dropping pipes 35 are fixed to the use position, the anti-dropping pipes 35 are fixed into the threaded cavities 34 on the inner side of the elbow pipeline 1 by rotating the anti-dropping pipes 35, the limiting rods 32 on one side of the anti-dropping pipes 35 are aligned with the grooves of the anti-dropping plates 31, the limiting rods 32 are pushed, and the limiting rods 32 are penetrated through the anti-dropping plates 31 and the anti-dropping pipes 35. The elastic clamping blocks 33 are retracted during the penetration process, and the elastic clamping blocks 33 and the limiting rods 32 are fixed to the anti-dropping pipes 35 and the elbow pipeline 1.
[0031] Further, the threaded cavities 34 and the anti-dropping pipes 35 constitute a rotating structure, the sliding blocks 38 and the sliding grooves 37 constitute a sliding structure, through the arrangement of the sliding blocks 38, the elastic clamping blocks 33 are pushed, the limiting rods 32 are taken down, the sliding blocks 38 are moved in the sliding grooves 37 by the contraction of the springs 39, the limiting rods 32 are taken in by the sliding blocks 38, and the limiting rods 32 are clamped on one side of the anti-dropping pipes 35.
[0032] Working principle: first, in use, when the elbow pipe 1 surface is insulated, the insulation sleeve 21 is sleeved on the elbow pipe 1 surface, the buckle 27 on the outer wall of the mounting piece 25 is aligned with the clamping groove 23 on the fixed plate 22, then the sealing ring 24 is put into the fixed plate 22 and the mounting piece 25, the buckle 27 is clamped with the clamping groove 23 by rotating the fixed plate 22, and the sealing ring 24 seals the mounting piece 25 and the fixed plate 22 at the clamping position, prevents gas from entering, improves the fixing effect, and fixes the insulation sleeve 21 to the surface of the elbow pipe 1, and the bolt 26 fixes the mounting piece 25 and the fixed plate 22 again to enhance the fixing effect, so as to insulate the surface of the elbow pipe 1, when the elbow pipe 1 needs to be prevented from falling off, the anti-falling pipe 35 is fixed to the use position, the anti-falling pipe 35 is rotated and fixed to the inside screw cavity 34 of the elbow pipe 1, then the limiting rod 32 on one side of the anti-falling pipe 35 is aligned with the groove of the anti-falling plate 31, the limiting rod 32 is pushed, the limiting rod 32 penetrates the anti-falling plate 31 and the anti-falling pipe 35, and the elastic clamping block 33 is retracted during penetration, so that the elastic clamping block 33 and the limiting rod 32 fix the anti-falling pipe 35 and the elbow pipe 1, when the anti-falling pipe 35 is damaged, the elastic clamping block 33 is pushed, the limiting rod 32 is taken down, the spring 39 is retracted to drive the sliding block 38 to move in the sliding groove 37, then the sliding block 38 drives the limiting rod 32 to be stored, and the limiting rod 32 is clamped on one side of the anti-falling pipe 35, so as to prevent the elbow pipe 1 from falling off.
[0033] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A thermal protection shield for a metal elbow, comprising an elbow pipe (1), characterized in that: The outer wall of the elbow pipeline (1) is provided with a heat preservation mechanism (2), and the outer wall of the elbow pipeline (1) is provided with an anti-dropping mechanism (3); the heat preservation mechanism (2) comprises a heat preservation sleeve (21), a fixed plate (22), a clamping groove (23), a sealing ring (24), a mounting piece (25), a bolt (26) and a buckle (27), the outer wall of the elbow pipeline (1) is slidably connected with the heat preservation sleeve (21), the outer wall of the heat preservation sleeve (21) is fixedly connected with the fixed plate (22), the outer wall of the fixed plate (22) is provided with the clamping groove (23), the outer wall of the fixed plate (22) is provided with the sealing ring (24), the outer wall of the elbow pipeline (1) is fixedly connected with the mounting piece (25), the outer wall of the mounting piece (25) is threadedly connected with the bolt (26), and the outer wall of the mounting piece (25) is provided with the buckle (27).
2. A thermal protection sheath for a metal elbow according to claim 1, characterized in that: The inner wall of the heat preservation sleeve (21) is matched with the size of the outer wall of the elbow pipeline (1), and the clamping grooves (23) are equidistantly arranged on the outer wall of the fixed plate (22).
3. A thermal protection sheath for a metal elbow according to claim 1, characterized in that: The clamping groove (23) and the buckle (27) constitute a sliding structure, and the heat preservation sleeve (21) and the fixed plate (22) are installed on the outer wall of the elbow pipeline (1).
4. A thermal protection sheath for a metal elbow according to claim 1, characterized in that: The bolts (26) are equidistantly distributed on the outer wall of the mounting piece (25), and the buckles (27) are equidistantly distributed on the outer wall of the mounting piece (25).
5. A thermal protection sheath for a metal elbow according to claim 1, characterized in that: The anti-dropping mechanism (3) comprises an anti-dropping plate (31), a limiting rod (32), an elastic clamping block (33), a threaded cavity (34), an anti-dropping pipe (35), a sealing ring (36), a sliding groove (37), a sliding block (38) and a spring (39), the outer wall of the elbow pipeline (1) is fixedly connected with the anti-dropping plate (31), the outer wall of the anti-dropping plate (31) is provided with the limiting rod (32), one end of the limiting rod (32) is fixedly connected with the elastic clamping block (33), the inner wall of the elbow pipeline (1) is provided with the threaded cavity (34), the inner wall of the threaded cavity (34) is rotatably connected with the anti-dropping pipe (35), the inside of the anti-dropping pipe (35) is provided with the sealing ring (36), the outer wall of the anti-dropping pipe (35) is provided with the sliding groove (37), the inner wall of the sliding groove (37) is slidably connected with the sliding block (38), and the outer wall of the sliding block (38) is provided with the spring (39).
6. A thermal protection sheath for a metal elbow according to claim 5, characterized in that: The anti-dropping plate (31) is symmetrically arranged about the central axis of the elbow pipeline (1), and the limiting rod (32) is symmetrically arranged about the central axis of the elbow pipeline (1).
7. A thermal protection sheath for a metal elbow according to claim 5, characterized in that: The threaded cavity (34) and the anti-dropping pipe (35) constitute a rotating structure, and the sliding block (38) and the sliding groove (37) constitute a sliding structure.