U-shaped electric heating tube convenient to fix

Abstract

The utility model provides a U-shaped electric heating tube convenient to fix, which comprises a U-shaped electric heating tube, first triangular grooves arranged along the width direction of a support plate are arranged on two parallel side surfaces of the support plate, a first circular groove arranged along the width direction of the support plate is arranged on one side surface of the support plate connected with the first triangular grooves, and a first cylinder is inserted in the first circular groove. A first connecting plate is fixedly connected to the outer surface of the first cylinder, the end, away from the first cylinder, of the first connecting plate penetrates through the first triangular groove and is fixedly connected with a connecting base, and a second triangular groove formed in the width direction of the connecting base is formed in the face, away from the first connecting plate, of the connecting base; the outer surface of the second cylinder is fixedly connected with a second connecting plate, and one end, far away from the second cylinder, of the second connecting plate penetrates through the second triangular groove and is fixedly connected with the positioning seat.

Description

Technical Field

[0001] The utility model discloses a U-shaped electric heating tube which is easy to fix and belongs to the technical field of electric heating tubes. Background Art

[0002] Electric heating tube: High-temperature resistance wire is evenly distributed in the stainless steel seamless tube, and the gap is filled with crystalline magnesium oxide powder with good thermal conductivity and insulation properties. It has advanced structure, high thermal efficiency and uniform heating. When current passes through the high-temperature resistance wire, the heat generated diffuses to the surface of the metal tube through the magnesium oxide powder, and then is transferred to the heated part or the air to achieve the purpose of heating. The U-shaped electric heating tube is one of the shapes of electric heating tubes. For easy installation, the two vertical parts of the U-shaped electric heating tube are usually respectively penetrated through the two through holes on the support plate and connected and fixed to the support plate, wherein two fixing holes for inserting screws are provided on the surface of the support plate. Since the surface of the mounting carrier supporting the position of the U-shaped electric heating tube has a flat surface and an arc surface, and the orientation of the fixing holes processed on the support plate cannot be adjusted according to the curvature of the mounting carrier surface, when the support plate on the U-shaped electric heating tube is installed on the arc-shaped mounting carrier, it is easy for the fixing holes to not be aligned with the screw holes on the arc-shaped mounting carrier, affecting the installation of the U-shaped electric heating tube. Therefore, it is necessary to design a U-shaped electric heating tube that is easy to fix and can adjust the orientation of the fixing holes according to the curvature of the mounting carrier surface. Utility Model Content

[0003] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a U-shaped electric heating tube that is easy to fix, so as to solve the problems raised in the above-mentioned background technology. The utility model facilitates the adjustment of the orientation of the fixing hole according to the curvature of the surface of the mounting carrier, so as to facilitate the installation of the U-shaped electric heating tube on the curved mounting carrier.

[0004] In order to achieve the above-mentioned purpose, the utility model is realized through the following technical solutions: a U-shaped electric heating tube that is easy to fix, comprising a U-shaped electric heating tube, wherein the two vertical parts of the U-shaped electric heating tube are connected and fixed to a support plate, and the two parallel side surfaces of the support plate are provided with a first triangular groove arranged along the width direction of the support plate, and the side surface of the support plate connected to the first triangular groove is provided with a first circular groove arranged along the width direction of the support plate, the first circular groove is communicated with the first triangular groove, a first cylinder is inserted in the first circular groove, a first connecting plate is connected and fixed to the outer surface of the first cylinder, and an end of the first connecting plate away from the first cylinder passes through the first triangular groove and A connecting seat is connected and fixed, and a side of the connecting seat facing away from the first connecting plate is provided with a second triangular groove arranged along the width direction of the connecting seat, and a side of the connecting seat connected to the second triangular groove is provided with a second circular groove arranged along the width direction of the connecting seat, the second circular groove is communicated with the second triangular groove, a second cylinder is inserted in the second circular groove, and a second connecting plate is connected and fixed to the outer surface of the second cylinder, an end of the second connecting plate away from the second cylinder passes through the second triangular groove and is connected and fixed to the positioning seat, a fixing hole for inserting screws is provided on the upper surface of the positioning seat, and removable limit parts are installed at both ends of the first cylinder and the second cylinder.

[0005] Furthermore, threaded blind holes are provided at both ends of the first cylinder and at both ends of the second cylinder, and limiting plates are provided at both ends of the first cylinder and at both ends of the second cylinder, a threaded head is connected and fixed at the middle position of one side of the limiting plate facing the threaded blind hole, the threaded head is threadedly connected in the threaded blind hole, and the middle position of one side of the threaded head facing away from the threaded head is recessed to form a hexagonal hole for matching a hexagonal wrench.

[0006] Furthermore, the position where the threaded head is installed on the limiting plate is recessed to form a positioning hole, and one end of the threaded head is fixed in the positioning hole.

[0007] Furthermore, two symmetrically arranged threaded through holes are provided on a side of the upper surface of the positioning seat away from the second connecting plate, and support bolts are threadedly connected to the inner surfaces of the threaded through holes.

[0008] Furthermore, the first cylinder and the first connecting plate are an integrally formed structure, and the first connecting plate and the connecting seat are an integrally formed structure.

[0009] Furthermore, the second cylinder and the second connecting plate are an integrally formed structure, and the second connecting plate and the positioning seat are an integrally formed structure.

[0010] Furthermore, the first cylinder and the second cylinder have the same specifications, the first circular groove and the second circular groove have the same specifications, and the first triangular groove and the second triangular groove have the same specifications.

[0011] Furthermore, the two vertical parts of the U-shaped electric heating tube are respectively fixed in two through holes, and the two through holes are symmetrically opened on the upper surface of the support plate.

[0012] Beneficial effects of the utility model:

[0013] 1. According to the spacing of the screw holes on the arc surface mounting carrier, multiple connecting seats are arranged between the support plate and the positioning seat, so that the first cylinder on one connecting seat is inserted into the second circular groove on the other connecting seat, so as to realize the plug-in assembly of the two connecting seats, and so on, to complete the assembly of multiple connecting seats, so that the first cylinder on a connecting seat in the structure formed by the multiple connecting seats is inserted into the first circular groove on the support plate, so as to realize the plug-in assembly of multiple connecting seats and the support plate, and the second cylinder on the positioning seat is inserted into the second circular groove on a connecting seat in the structure formed by the multiple connecting seats, so as to complete the assembly of the positioning seat and the support plate, so that the spacing of the fixing holes on the two positioning seats is changed, which is suitable for the needs of screw holes with different spacings on the arc surface mounting carrier, and expands the scope of application.

[0014] 2. When installing the support plate on the curved surface mounting carrier, adjust the angle between the connecting seat and the support plate. At this time, the first cylinder rotates in the first circular groove, and the angle between the positioning seat and the connecting seat is adjusted. At this time, the second cylinder rotates in the second circular groove until the fixing hole is aligned with the screw hole on the curved surface mounting carrier, so as to adjust the direction of the fixing hole according to the curvature of the mounting carrier surface, so as to facilitate the installation of the U-shaped electric heating tube on the curved surface mounting carrier. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0016] Figure 1 This is a schematic diagram of the structure of a U-shaped electric heating tube that is easy to fix in the utility model;

[0017] Figure 2 This is a three-dimensional diagram of a support plate in a U-shaped electric heating tube that is easy to fix in the utility model;

[0018] Figure 3 This is a schematic diagram of the assembly of the first cylinder and the connecting seat in a U-shaped electric heating tube that is easy to fix in the utility model;

[0019] Figure 4 This is a schematic diagram of the assembly of the second cylinder and the positioning seat in a U-shaped electric heating tube that is easy to fix in the utility model;

[0020] Figure 5 This is a schematic diagram of the assembly of a threaded head and a limiting plate in a U-shaped electric heating tube that is easy to fix in the utility model;

[0021] In the figure: 1-U-shaped electric heating tube, 2-support plate, 3-positioning seat, 4-support bolt, 5-connecting seat, 6-limiting plate, 7-through hole, 8-first circular groove, 9-first triangular groove, 10-first cylinder, 11-threaded blind hole, 12-first connecting plate, 13-second circular groove, 14-second triangular groove, 15-threaded through hole, 16-second cylinder, 17-second connecting plate, 18-fixing hole, 19-hexagonal hole, 20-threaded head. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0023] See also Figure 1 and Figure 2 The utility model provides a technical solution: a U-shaped electric heating tube that is easy to fix, including a U-shaped electric heating tube 1, wherein two vertical parts of the U-shaped electric heating tube 1 are respectively fixed in two through holes 7, and the two through holes 7 are symmetrically opened on the upper surface of the support plate 2, and the through holes 7 provide space for assembling the support plate 2 and the U-shaped electric heating tube 1.

[0024] See also Figure 1-Figure 3 A first triangular groove 9 arranged along the width direction of the support plate 2 is provided on two parallel side surfaces of the support plate 2, a first circular groove 8 arranged along the width direction of the support plate 2 is provided on a side surface of the support plate 2 connected to the first triangular groove 9, the first circular groove 8 is communicated with the first triangular groove 9, a first cylinder 10 is inserted in the first circular groove 8, a first connecting plate 12 is connected and fixed to the outer surface of the first cylinder 10, an end of the first connecting plate 12 away from the first cylinder 10 passes through the first triangular groove 9 and is connected and fixed to the connecting seat 5, wherein the first cylinder 10 and the first connecting plate 12 are an integrally formed structure, and the first connecting plate 12 and the connecting seat 5 are an integrally formed structure, and the use of integral forming improves the mechanical strength of the structure.

[0025] See also Figure 1-Figure 4A second triangular groove 14 arranged along the width direction of the connecting seat 5 is formed on a side of the connecting seat 5 away from the first connecting plate 12, and a second circular groove 13 arranged along the width direction of the connecting seat 5 is formed on a side of the connecting seat 5 connected to the second triangular groove 14. The second circular groove 13 is communicated with the second triangular groove 14, and a second cylinder 16 is inserted in the second circular groove 13. A second connecting plate 17 is connected and fixed to the outer surface of the second cylinder 16. An end of the second connecting plate 17 away from the second cylinder 16 passes through the second triangular groove 14 and is connected and fixed to the positioning seat 3. The second cylinder 16 The second connecting plate 17 is an integrally formed structure, the second connecting plate 17 and the positioning seat 3 are an integrally formed structure, the first cylinder 10 and the second cylinder 16 have the same specifications, the first circular groove 8 and the second circular groove 13 have the same specifications, the first triangular groove 9 and the second triangular groove 14 have the same specifications, and the upper surface of the positioning seat 3 is provided with a fixing hole 18 for inserting a screw. According to the spacing of the screw holes on the arc surface mounting carrier, a plurality of connecting seats 5 are arranged between the support plate 2 and the positioning seat 3, so that the first cylinder 10 on one connecting seat 5 is inserted into the second circular groove 1 on another connecting seat 5 3, the plug-in assembly of the two connecting seats 5 is realized, and so on, the assembly of the multiple connecting seats 5 is completed, so that the first cylinder 10 on one of the connecting seats 5 in the structure formed by the multiple connecting seats 5 is inserted into the first circular groove 8 on the support plate 2, and the plug-in assembly of the multiple connecting seats 5 and the support plate 2 is realized, and the second cylinder 16 on the positioning seat 3 is inserted into the second circular groove 13 on one of the connecting seats 5 in the structure formed by the multiple connecting seats 5, and the assembly of the positioning seat 3 and the support plate 2 is completed, so that the spacing between the fixing holes 18 on the two positioning seats I is changed, and it is suitable for In order to meet the needs of screw holes with different spacings on the curved surface mounting carrier, the scope of application is expanded. When the support plate 2 is installed on the curved surface mounting carrier, the angle between the connecting seat 5 and the support plate 2 is adjusted. At this time, the first cylinder 10 rotates in the first circular groove 8 to adjust the angle between the positioning seat 3 and the connecting seat 5. At this time, the second cylinder 16 rotates in the second circular groove 13 until the fixing hole 18 is aligned with the screw hole on the curved surface mounting carrier, so as to adjust the direction of the fixing hole 18 according to the curvature of the mounting carrier surface, so as to facilitate the U-shaped electric heating tube 1 to be installed on the curved surface mounting carrier.

[0026] See also Figure 1 , Figure 3 , Figure 4 and Figure 5, both ends of the first cylinder 10 and both ends of the second cylinder 16 are provided with threaded blind holes 11, and both ends of the first cylinder 10 and the second cylinder 16 are provided with limit plates 6. A threaded head 20 is connected and fixed in a positioning hole opened in the middle of one side of the limit plate 6 facing the threaded blind hole 11. The threaded head 20 is threadedly connected in the threaded blind hole 11, and the middle of one side of the threaded head 20 away from the threaded head 20 is recessed to form a hexagonal hole 19 for matching an hexagonal wrench, so that the threaded head 20 is screwed into the threaded blind hole 11, and then under the action of the limit plate 6, the first cylinder 10 is prevented from jumping out of the first circular groove 8 and the second cylinder 16 is prevented from jumping out of the second circular groove 13.

[0027] See also Figure 1 and Figure 4 Two symmetrically arranged threaded through holes 15 are provided on the side of the upper surface of the positioning seat 3 away from the second connecting plate 17. The threaded through holes 15 are threadedly connected with support bolts 4. The support bolts 4 in the threaded through holes 15 are screwed so that one end of the support bolts 4 contacts the surface of the arc-surface mounting carrier. At this time, the support bolts 4 and the connecting seat 5 jointly support the positioning seat 3, so that the positioning seat 3 is subjected to balanced force.

[0028] Although this specification is described according to implementation modes, not every implementation mode includes 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.

Claims

1. A U-shaped electric heating tube that is easy to fix, comprising a U-shaped electric heating tube (1), characterized in that: The two vertical parts of the U-shaped electric heating tube (1) are connected and fixed to the support plate (2); the two parallel side surfaces of the support plate (2) are provided with first triangular grooves (9) arranged along the width direction of the support plate (2); the side surface of the support plate (2) connected to the first triangular groove (9) is provided with a first circular groove (8) arranged along the width direction of the support plate (2); the first circular groove (8) is communicated with the first triangular groove (9); a first cylinder (10) is inserted in the first circular groove (8); a first connecting plate (12) is connected and fixed to the outer surface of the first cylinder (10); an end of the first connecting plate (12) away from the first cylinder (10) passes through the first triangular groove (9) and is connected and fixed to a connecting seat (5); a side of the connecting seat (5) away from the first connecting plate (12) is provided with a connecting groove (8) arranged along the connecting groove (8); A second triangular groove (14) is arranged in the width direction of the connecting seat (5); a side surface of the connecting seat (5) connected to the second triangular groove (14) is provided with a second circular groove (13) arranged in the width direction of the connecting seat (5); the second circular groove (13) is communicated with the second triangular groove (14); a second cylinder (16) is inserted in the second circular groove (13); a second connecting plate (17) is connected and fixed to the outer surface of the second cylinder (16); an end of the second connecting plate (17) away from the second cylinder (16) passes through the second triangular groove (14) and is connected and fixed to the positioning seat (3); a fixing hole (18) for inserting a screw is provided on the upper surface of the positioning seat (3); and both ends of the first cylinder (10) and the second cylinder (16) are provided with detachable limit members.

2. The U-shaped electric heating tube that is easy to fix according to claim 1 is characterized in that: Both ends of the first cylinder (10) and both ends of the second cylinder (16) are provided with threaded blind holes (11), and both ends of the first cylinder (10) and both ends of the second cylinder (16) are provided with limit plates (6), and a threaded head (20) is connected and fixed at the middle position of one side of the limit plate (6) facing the threaded blind hole (11), and the threaded head (20) is threadedly connected in the threaded blind hole (11), and the middle position of one side of the threaded head (20) facing away from the threaded head (20) is recessed to form a hexagonal hole (19) for matching a hexagonal wrench.

3. The U-shaped electric heating tube that is easy to fix according to claim 2 is characterized in that: The position where the threaded head (20) is installed on the limiting plate (6) is recessed to form a positioning hole, and one end of the threaded head (20) is fixed in the positioning hole.

4. The U-shaped electric heating tube that is easy to fix according to claim 1 is characterized in that: Two symmetrically arranged threaded through holes (15) are provided on a side of the upper surface of the positioning seat (3) away from the second connecting plate (17), and the threaded through holes (15) are internally threadedly connected with support bolts (4).

5. The U-shaped electric heating tube that is easy to fix according to claim 1 is characterized in that: The first cylinder (10) and the first connecting plate (12) are an integrally formed structure, and the first connecting plate (12) and the connecting seat (5) are an integrally formed structure.

6. The U-shaped electric heating tube that is easy to fix according to claim 1 is characterized in that: The second cylinder (16) and the second connecting plate (17) are an integrally formed structure, and the second connecting plate (17) and the positioning seat (3) are an integrally formed structure.

7. The U-shaped electric heating tube that is easy to fix according to claim 1 is characterized in that: The first cylinder (10) and the second cylinder (16) have the same specifications, the first circular groove (8) and the second circular groove (13) have the same specifications, and the first triangular groove (9) and the second triangular groove (14) have the same specifications.

8. The U-shaped electric heating tube that is easy to fix according to claim 1 is characterized in that: The two vertical parts of the U-shaped electric heating tube (1) are respectively fixed in two through holes (7), and the two through holes (7) are symmetrically opened on the upper surface of the support plate (2).

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