Double-end electric heating tube structure

Abstract

The utility model provides a double-end electric heating tube structure which comprises a shell, an electric heating mechanism is arranged on the shell, an adjusting mechanism is arranged in the shell, a limiting mechanism is arranged between the adjusting mechanism and the electric heating mechanism, a driving part is further arranged on the shell, and the adjusting mechanism, the limiting mechanism and the driving part are matched to be used for adjusting the length of the electric heating mechanism. According to the electric heating device, the adjusting mechanism can operate through the arranged driving part, the electric heating mechanism can move up and down through the limiting mechanism under the action of the adjusting mechanism, then the length of the electric heating mechanism is adjusted, the electric heating mechanism can be matched with heating cavities of more different devices, and practicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of double-ended electric heating pipes, in particular to a double-ended electric heating pipe structure. Background Art

[0002] The double-ended electric heating tube is an electric heating tube with double-ended outlets, with a metal tube as the protective shell (including stainless steel, copper tube, various imported steels), and spiral high-quality electric heating alloy wire (nickel-chromium, iron-chromium alloy heating wire) evenly distributed along the central axis of the tube. The gap is tightly filled with crystalline magnesium oxide powder with good heat resistance, thermal conductivity and insulation. The two ends of the tube are sealed with silicone and then processed by other processes.

[0003] At present, when some existing double-ended electric heating tubes are installed in the heating cavity inside the equipment, the length of the heating cavity inside the equipment may be shorter than the length of the double-ended electric heating tubes, resulting in the double-ended electric heating tubes being unable to be fully installed in the equipment, thereby affecting the normal operation and heating effect of the equipment.

[0004] Therefore, we made improvements to this and proposed a double-headed electric heating tube structure. Summary of the Invention

[0005] The purpose of the utility model is to address the problem that some existing double-ended electric heating tubes cannot be fully installed in the equipment when they are installed in the heating cavity inside the equipment because the length of the heating cavity inside the equipment may be shorter than the length of the double-ended electric heating tubes, thereby affecting the normal operation and heating effect of the equipment.

[0006] In order to achieve the above-mentioned purpose of the invention, the present invention provides a double-ended electric heating pipe structure to improve the above-mentioned problem.

[0007] The specific application is as follows:

[0008] It includes a shell, an electric heating mechanism is provided on the shell, an adjustment mechanism is provided in the shell, a limiting mechanism is provided between the adjustment mechanism and the electric heating mechanism, and a driving part is also provided on the shell. The adjustment mechanism, the limiting mechanism and the driving part are used to cooperate with each other to adjust the length of the electric heating mechanism.

[0009] As a preferred technical solution of the present application, the shell includes an upper shell and a lower shell, the upper shell is fixedly installed on the top of the lower shell, and the upper shell and the lower shell are communicated with each other, and a flange is fixedly provided on the outer side of the upper shell.

[0010] As a preferred technical solution of the present application, the shell further includes a bottom cover, a slot matching the bottom cover is provided at the bottom end of the lower shell, and one side of the lower shell is hinged to the bottom cover via a hinge.

[0011] As a preferred technical solution of the present application, the electric heating mechanism is composed of several electric heating parts.

[0012] As the preferred technical solution of the present application, the electric heating part includes a double-headed electric heating tube body, the top of the upper shell is provided with a first opening matching the double-headed electric heating tube body, and several first openings are arranged equidistantly, and positioning blocks are fixed at both ends of the double-headed electric heating tube body.

[0013] As a preferred technical solution of the present application, the adjustment mechanism includes an adjustment plate, which is located at the top of the lower shell. Several second openings are opened at the top of the adjustment plate. A threaded rod is threadedly connected to one side of the adjustment plate, and the top of the threaded rod is rotatably connected to the lower shell.

[0014] As a preferred technical solution of the present application, the adjustment mechanism also includes a limit block, a sliding groove slidably connected to the limit block is opened on the side of the lower shell away from the threaded rod, and the limit block is fixedly connected to the adjustment plate, and a first bevel gear is fixedly provided at the bottom end of the threaded rod.

[0015] As a preferred technical solution of the present application, the limiting mechanism includes a limiting plate, and several third openings are provided on the limiting plate. The first opening, the second opening and the third opening correspond to each other one by one. The tops of both sides of the third openings are provided with positioning grooves matching the positioning blocks. A clamping column is fixed on one side of the top of the limiting plate, and the clamping column is engaged and connected with the adjustment plate.

[0016] As a preferred technical solution of the present application, the limiting mechanism also includes a bolt, one end of the bolt passes through the bottom end of the limiting plate and away from the side of the clamping column, and the bolt is threadedly connected to the adjustment plate, and one side of the limiting plate is fixed with a top rod matching the bottom cover, and the top rod is away from the hinge.

[0017] As a preferred technical solution of the present application, the driving part includes a rotating head, which is located on one side of the lower shell and close to the threaded rod. A rotating shaft is fixed on one side of the rotating head, and the rotating shaft is rotatably connected to the lower shell. One end of the rotating shaft is fixed with a second bevel gear meshing with the first bevel gear.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] In the scheme of this application:

[0020] 1. In order to solve the problem in the prior art that when some existing double-ended electric heating pipes are installed in the heating cavity inside the device, the length of the heating cavity inside the device may be shorter than the length of the double-ended electric heating pipe, resulting in the double-ended electric heating pipe being unable to be fully installed in the device, thereby affecting the normal operation and heating effect of the device, the present application provides a driving part to enable the adjustment mechanism to operate. Through the limit mechanism, under the action of the adjustment mechanism, the electric heating mechanism can be moved up and down, thereby adjusting the length of the electric heating mechanism, so that the electric heating mechanism can match the heating cavities of more different devices, thereby improving practicality;

[0021] 2. Through the provided driving part and the adjustment mechanism, the limit mechanism drives the electric heating mechanism to move up and down, and then the limit mechanism moves down to the top rod to open the bottom cover of the shell, thereby facilitating the replacement of one or more faulty electric heating parts, thereby improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 A schematic diagram of the double-ended electric heating tube structure provided in this application;

[0023] Figure 2 A schematic cross-sectional view of the double-ended electric heating pipe structure provided in this application;

[0024] Figure 3 A schematic diagram of the partial structure on the left side of the cross section of the double-ended electric heating pipe structure provided in this application;

[0025] Figure 4 A schematic diagram of the partial structure on the right side of the cross section of the double-ended electric heating pipe structure provided in this application;

[0026] Figure 5 This is a schematic cross-sectional structure diagram of the driving part of the double-headed electric heating tube structure provided in this application.

[0027] Indicated in the figure:

[0028] 1. Housing; 101. Upper housing; 102. Lower housing; 103. Flange; 104. Bottom cover;

[0029] 2. Electric heating mechanism; 201. Double-ended electric heating tube body; 202. Positioning block;

[0030] 3. Adjustment mechanism; 301. Adjustment plate; 302. Threaded rod; 303. Limit block; 304. First bevel gear;

[0031] 4. Limiting mechanism; 401. Limiting plate; 402. Clamping column; 403. Bolt; 404. Ejector rod;

[0032] 5. Driving unit; 501. Rotating head; 502. Rotating shaft; 503. Second bevel gear. DETAILED DESCRIPTION

[0033] In order to help those skilled in the art better understand the present invention, the following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts should fall within the scope of protection of the present invention.

[0034] As described in the background technology, when some existing double-ended electric heating tubes are installed in the heating chamber inside the equipment, the length of the heating chamber inside the equipment may be shorter than the length of the double-ended electric heating tubes, resulting in the double-ended electric heating tubes being unable to be fully installed into the equipment, thereby affecting the normal operation and heating effect of the equipment.

[0035] In order to solve this technical problem, the utility model provides a double-head electric heating pipe structure.

[0036] Specifically, please refer to Figure 1-5 , the double-head electric heating tube structure specifically includes:

[0037] The shell 1 is provided with an electric heating mechanism 2, an adjusting mechanism 3 is provided in the shell 1, a limiting mechanism 4 is provided between the adjusting mechanism 3 and the electric heating mechanism 2, and a driving part 5 is also provided on the shell 1. The adjusting mechanism 3, the limiting mechanism 4 and the driving part 5 are used to adjust the length of the electric heating mechanism 2.

[0038] The double-headed electric heating tube structure provided by the present invention can operate the adjustment mechanism through the provided driving part, and through the limiting mechanism, under the action of the adjustment mechanism, the electric heating mechanism can be moved up and down, thereby adjusting the length of the electric heating mechanism, so that the electric heating mechanism can match the heating chambers of more different equipment, thereby improving practicality.

[0039] In order to enable those skilled in the art to better understand the solution of the present invention, the technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

[0040] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions therein can be combined with each other.

[0041] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings.

[0042] Example 1, please refer to Figure 1-5A double-headed electric heating tube structure, whose shell 1 includes an upper shell 101 and a lower shell 102, the upper shell 101 is fixedly installed on the top of the lower shell 102, and the upper shell 101 and the lower shell 102 are communicated with each other, and a flange 103 is fixedly provided on the outer side of the upper shell 101.

[0043] Please refer to Figure 1-5 , a double-headed electric heating tube structure, whose shell 1 also includes a bottom cover 104, a slot matching the bottom cover 104 is opened at the bottom end of the lower shell 102, and one side of the lower shell 102 is hinged to the bottom cover 104 through a hinge.

[0044] Example 2 further optimizes the double-ended electric heating pipe structure provided in Example 1. Specifically, Figure 1-3 As shown, the electric heating mechanism 2 is composed of several electric heating parts.

[0045] Further, such as Figure 1-3 As shown, the electric heating part includes a double-headed electric heating pipe body 201, and the top of the upper shell 101 is provided with a first opening matching the double-headed electric heating pipe body 201, and several first openings are arranged at equal distances, and positioning blocks 202 are fixed at both ends of the double-headed electric heating pipe body 201.

[0046] Example 3, the double-ended electric heating pipe structure provided in Example 1 or 2 is further optimized, specifically, as Figure 2-5 As shown, the adjustment mechanism 3 includes an adjustment plate 301, which is located at the top of the lower shell 102. A plurality of second openings are provided at the top of the adjustment plate 301. A threaded rod 302 is threadedly connected to one side of the adjustment plate 301, and the top of the threaded rod 302 is rotatably connected to the lower shell 102.

[0047] Further, such as Figure 2-5 As shown, the adjustment mechanism 3 also includes a limit block 303, and a sliding groove slidably connected to the limit block 303 is opened on the side of the lower shell 102 away from the threaded rod 302, and the limit block 303 is fixedly connected to the adjustment plate 301, and a first bevel gear 304 is fixedly provided at the bottom end of the threaded rod 302.

[0048] Further, such as Figure 2-4 As shown, the limiting mechanism 4 includes a limiting plate 401, and a plurality of third openings are provided on the limiting plate 401. The first opening, the second opening and the third opening correspond to each other one by one. The top ends of both sides of the third opening are provided with positioning grooves matching the positioning block 202. A clamping column 402 is fixed on one side of the top end of the limiting plate 401, and the clamping column 402 is engaged and connected with the adjustment plate 301.

[0049] Example 4: The double-ended electric heating pipe structure provided in the above embodiments is further optimized. Figure 2-4As shown, the limiting mechanism 4 also includes a bolt 403, one end of the bolt 403 passes through the bottom end of the limiting plate 401 and is away from the side of the clamping column 402, and the bolt 403 is threadedly connected to the adjustment plate 301, and a top rod 404 matching the bottom cover 104 is fixed on one side of the limiting plate 401, and the top rod 404 is away from the hinge.

[0050] Further, such as Figure 1 、 Figure 2 and Figure 5 As shown, the driving part 5 includes a rotating head 501, which is located on one side of the lower shell 102 and close to the threaded rod 302. A rotating shaft 502 is fixedly provided on one side of the rotating head 501, and the rotating shaft 502 is rotatably connected to the lower shell 102. One end of the rotating shaft 502 is fixedly provided with a second bevel gear 503 meshing with the first bevel gear 304.

[0051] The use process of the double-head electric heating pipe structure provided by the utility model is as follows:

[0052] When the length of the double-headed electric heating pipe body 201 needs to be adjusted, the rotating head 501 is rotated so that the rotating shaft 502 drives the second bevel gear 503 to rotate, and the second bevel gear 503 drives the first bevel gear 304 to rotate, thereby causing the threaded rod 302 to rotate, and cooperate with the limit block 303, so that the adjustment plate 301 drives the limit plate 401 to move downward, and cooperate with the positioning block 202, so that the double-headed electric heating pipe body 201 can be moved downward, thereby achieving the adjustment of the length of the double-headed electric heating pipe body 201, and the structure can be installed on the equipment through the flange 103. When the double-headed electric heating pipe body 201 needs to be replaced, the rotating head 501 is rotated so that the limit plate 401 drives the push rod 404 to move downward to open the bottom cover 104, so that the limit plate 401 is at the open position of the lower shell 102 at the same time, which makes it easy to tighten the bolt 403, and the limit plate 401 can be removed from the adjusting plate 301, thereby facilitating the replacement of the double-headed electric heating pipe body 201, thereby improving practicality.

[0053] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection, or communication; direct connection or indirect connection through an intermediate medium; internal communication between two elements or interaction between two elements, unless otherwise specified. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0054] Obviously, the embodiments described above are only some of the embodiments of the present invention, rather than all of the embodiments. The preferred embodiments of the present invention are given in the accompanying drawings, but they do not limit the patent scope of the present invention. The present invention can be implemented in many different forms. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present invention more thorough and comprehensive. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned specific embodiments, or to make equivalent replacements for some of the technical features therein. Any equivalent structure made using the contents of the present invention specification and the accompanying drawings, directly or indirectly used in other related technical fields, is also within the scope of protection of the present invention patent.

Claims

1. A double-ended electric heating pipe structure, characterized in that: The invention comprises a shell (1), an electric heating mechanism (2) is provided on the shell (1), an adjusting mechanism (3) is provided in the shell (1), a limiting mechanism (4) is provided between the adjusting mechanism (3) and the electric heating mechanism (2), and a driving part (5) is also provided on the shell (1), and the adjusting mechanism (3), the limiting mechanism (4) and the driving part (5) are used to adjust the length of the electric heating mechanism (2) in coordination with each other.

2. A double-ended electric heating pipe structure according to claim 1, characterized in that: The housing (1) comprises an upper shell (101) and a lower shell (102); the upper shell (101) is fixedly mounted on the top of the lower shell (102); the upper shell (101) and the lower shell (102) are in communication; a flange (103) is fixedly provided on the outer side of the upper shell (101).

3. The double-ended electric heating pipe structure according to claim 2, characterized in that: The housing (1) further comprises a bottom cover (104); a slot matching the bottom cover (104) is provided at the bottom end of the lower housing (102); and one side of the lower housing (102) is hinged to the bottom cover (104) via a hinge.

4. The double-ended electric heating pipe structure according to claim 3, characterized in that: The electric heating mechanism (2) is composed of several electric heating parts.

5. The double-ended electric heating pipe structure according to claim 4, characterized in that: The electric heating part comprises a double-headed electric heating pipe body (201), a first opening matching the double-headed electric heating pipe body (201) is provided at the top end of the upper shell (101), and a plurality of first openings are arranged at equal intervals, and positioning blocks (202) are fixedly provided at both ends of the double-headed electric heating pipe body (201).

6. The double-ended electric heating pipe structure according to claim 5, characterized in that: The adjustment mechanism (3) comprises an adjustment plate (301), the adjustment plate (301) being located at the top end of the lower shell (102), the top end of the adjustment plate (301) being provided with a plurality of second openings, a threaded rod (302) being threadedly connected to one side of the adjustment plate (301), and the top end of the threaded rod (302) being rotatably connected to the lower shell (102).

7. The double-ended electric heating pipe structure according to claim 6, characterized in that: The adjustment mechanism (3) further comprises a limit block (303); a sliding groove slidably connected to the limit block (303) is provided in the lower shell (102) on a side away from the threaded rod (302); the limit block (303) is fixedly connected to the adjustment plate (301); and a first bevel gear (304) is fixedly provided at the bottom end of the threaded rod (302).

8. The double-ended electric heating pipe structure according to claim 7, characterized in that: The limiting mechanism (4) comprises a limiting plate (401), wherein a plurality of third openings are provided on the limiting plate (401), wherein the first opening, the second opening and the third opening correspond to each other one by one, and the top ends of both sides of the third openings are provided with positioning grooves matching the positioning blocks (202), and a clamping column (402) is fixedly provided on one side of the top end of the limiting plate (401), and the clamping column (402) is engaged and connected with the adjustment plate (301).

9. The double-ended electric heating pipe structure according to claim 8, characterized in that: The limiting mechanism (4) further comprises a bolt (403), one end of the bolt (403) passing through the bottom end of the limiting plate (401) and away from one side of the clamping column (402), and the bolt (403) is threadedly connected to the adjustment plate (301), and a top rod (404) matching the bottom cover (104) is fixedly provided on one side of the limiting plate (401), and the top rod (404) is away from the hinge.

10. The double-ended electric heating pipe structure according to claim 9, characterized in that: The driving portion (5) comprises a rotating head (501), the rotating head (501) being located on one side of the lower shell (102) and close to the threaded rod (302), a rotating shaft (502) being fixedly provided on one side of the rotating head (501), and the rotating shaft (502) being rotatably connected to the lower shell (102), and a second bevel gear (503) being meshed with the first bevel gear (304) being fixedly provided on one end of the rotating shaft (502).

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