CN210042261U - Straight rod detachable electric heater - Google Patents
Straight rod detachable electric heater Download PDFInfo
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- CN210042261U CN210042261U CN201920622283.1U CN201920622283U CN210042261U CN 210042261 U CN210042261 U CN 210042261U CN 201920622283 U CN201920622283 U CN 201920622283U CN 210042261 U CN210042261 U CN 210042261U
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- electric heating
- electric heater
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- tube
- compression nut
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Abstract
The utility model discloses a straight-bar detachable electric heater relates to electric heating technical field. The electric heating pipe comprises a junction box, a pipe plate and a plurality of electric heating pipes which are sequentially arranged along a linear direction, wherein a thread seat through which the plurality of electric heating pipes penetrate is fixed on one side of the pipe plate close to the junction box, the electric heating pipes deviate from the thread seat, one end of each electric heating pipe, which is located in the junction box, is coaxially sleeved with a compression nut matched with the thread seat, a sealing pressing block fixed on the electric heating pipes and a gasket sleeved on the electric heating pipes are arranged between the compression nut and the thread seat, and the gasket is arranged between the sealing pressing block.
Description
Technical Field
The utility model relates to an electrical heating technical field especially relates to a straight-bar detachable type electric heater.
Background
Since the discovery that electric energy can be converted into heat energy through a conductive wire, many inventors have been engaged in the research and manufacture of various electric heating appliances in the world.
Chinese patent publication No. CN2081158924U discloses a single-end U-shaped tube and straight-bar detachable electric heater, which includes a bottom seal, a high-temperature porcelain head on the top, two metal steel tubes of different lengths and connected side by side, a binding post on the top of the high-temperature porcelain head, a U-shaped single-hole magnesium oxide tube built in the body of the metal steel tube, the U-shaped single-hole magnesium oxide tube extending from one third of the inside of the metal steel tube to the bottom, two ends of the U-shaped single-hole magnesium oxide tube both provided with a double-hole magnesium oxide tube matching with the same, the double-hole magnesium oxide tube wrapping the U-shaped single-hole magnesium oxide tube and a resistance wire laid in the U-shaped single-hole magnesium oxide tube, the electric heater improves the heating efficiency, prolongs the service life, and has a simple structure and is convenient to maintain.
However, when the electric heating pipe is used, the electric heating pipe needs to be welded on the pipe plate to be used, and when a small amount of electric heating pipes are damaged, the whole set of electric heater needs to be replaced, so that the production cost is greatly increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that electric heating pipe need weld when using can use on the tube sheet, when a small amount of electric heating pipe damages, need change whole set of electric heater to greatly increased manufacturing cost.
In order to solve the technical problem, the utility model provides a straight-bar detachable type electric heater, including the terminal box that linear direction along the line set gradually, tube sheet and a plurality of electric heating pipe, one side that the tube sheet leaned on the terminal box is fixed with the screw thread seat that a plurality of power heating pipes passed, electric heating pipe deviates from the screw thread seat and is located the coaxial cover of one end in the terminal box and is equipped with in screw thread seat matched with gland nut, be equipped with between gland nut and the screw thread seat and be fixed in the sealed briquetting on the electric heating pipe and the gasket that the electric heating pipe was located to the cover, and the gasket sets up between sealed briquetting and screw.
The technical effects are as follows: when the electric heater is installed, firstly, all the electric heating pipes penetrate through the corresponding thread seats, in the penetrating process of the electric heating pipes, the distance between the sealing pressing block and the thread seats is smaller and smaller, the gaskets between the sealing pressing block and the thread seats are also gradually abutted against the thread seats until the sealing pressing block, the gaskets and the thread seats are sequentially abutted against each other, at the moment, the compression nut is rotated to the thread seats and continuously rotated until the inner wall of the compression nut is abutted against the sealing pressing block, so that the installation of the electric heating pipes is completed, and the electric heater can be normally used; when an individual electric heating pipe is damaged, the electric heating pipe needs to be detached independently, the compression nut is rotated firstly, the compression nut is separated from the threaded seat, the whole electric heating pipe can freely move along the length direction of the whole electric heating pipe after the compression nut is separated, the electric heating pipe is directly taken down from the pipe plate, and the good electric heating pipe is installed according to the installation method, so that the replacement of the single electric heating pipe is conveniently realized, and the production cost of the whole electric heating pipe is greatly reduced.
The utility model discloses the technical scheme who further injects is: the screw thread seat is evenly fixed on the tube plate, and the screw thread seat and the tube plate are vertically arranged.
Furthermore, the connection mode between the thread seat and the tube plate is set as welding, and the connection mode between the sealing pressing block and the tube plate is also set as welding.
In the straight-bar detachable electric heater, the side surface of the compression nut is provided with a plurality of strip-shaped grooves at equal intervals along the circumferential direction of the compression nut.
In the straight-bar detachable electric heater, the inner wall of the compression nut, which is abutted to the sealing press block, is provided with the rubber sealing layer.
The utility model has the advantages that:
(1) the utility model discloses, the welding of screw thread seat makes self can more firm install on the tube sheet, and even perpendicular setting makes the distribution of screw thread seat more orderly, is convenient for electric heating pipe's installation and arrangement, can make the heating effect of whole electric heater more even, is difficult for causing local overheated phenomenon, the welding of sealed briquetting makes self can more firm install on electric heating pipe, has guaranteed the reliability of being connected between electric heating pipe and the tube sheet;
(2) the utility model discloses, the setting of bar groove makes self frictional force bigger, and the user is easier to carry out the application of force to gland nut, and is difficult for producing the phenomenon of skidding when the application of force to improve the convenience of gland nut operation greatly, also made the installation and the dismantlement of whole electric heating pipe more convenient;
(3) the utility model discloses, the setting of rubber seal layer and gasket for be connected between gland nut and the screw thread seat inseparabler, thereby make the electric heating pipe can be more firm install and use on the tube sheet, and the difficult not hard up condition of electric heating pipe that produces of use, also guaranteed whole electric heater's use reliability.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged schematic view at A in FIG. 1;
fig. 3 is a schematic structural view of the compression nut of the present invention;
fig. 4 is a schematic diagram of the position of the strip-shaped groove of the present invention.
Wherein: 1. a junction box; 2. a tube sheet; 21. a threaded seat; 3. an electric heating tube; 31. a compression nut; 311. a strip-shaped groove; 312. a rubber sealing layer; 32. sealing and pressing the block; 33. and (7) a gasket.
Detailed Description
The structure of the straight-bar detachable electric heater provided by the embodiment is shown in fig. 1 to 2, and comprises a junction box 1, a tube plate 2 and a plurality of electric heating tubes 3 which are sequentially arranged along a linear direction, wherein the electric heating tubes 3 penetrate through the tube plate 2, and part of the electric heating tubes are positioned in the junction box 1; a plurality of thread seats 21 through which the power supply heating pipes 3 penetrate are welded on one side, close to the junction box 1, of the pipe plate 2, the thread seats 21 are uniformly fixed on the pipe plate 2, and the thread seats 21 and the pipe plate 2 are vertically arranged; one end of the electric heating tube 3 located in the junction box 1 is sleeved with a coaxial compression nut 31, the compression nut 31 and the threaded seat 21 are matched with each other, a sealing pressing block 32 and a gasket 33 are respectively arranged between the compression nut 31 and the threaded seat 21, the sealing pressing block 32 is welded on one side of the electric heating tube 3 close to the compression nut 31, and the gasket 33 is sleeved on the electric heating tube 3 and located between the sealing pressing block 32 and the threaded seat 21.
As shown in fig. 3 to 4, the side surface of the compression nut 31 is provided with a plurality of grooves 311, and all the grooves 311 are arranged at equal intervals along the circumferential direction of the compression nut 31. The inner wall of the compression nut 31 abutting against the sealing pressing block 32 is also provided with a rubber sealing layer 312.
When the electric heater is installed, firstly, all the electric heating pipes 3 penetrate through the corresponding threaded seats 21, in the penetrating process of the electric heating pipes 3, the distance between the sealing pressing block 32 and the threaded seats 21 is smaller and smaller, and the gaskets 33 between the sealing pressing block 32 and the threaded seats 21 are gradually abutted against the threaded seats 21 until the sealing pressing block 32, the gaskets 33 and the threaded seats 21 are sequentially abutted against one another, at the moment, the compression nut 31 is rotated to the threaded seats 21 and continuously rotated until the inner wall of the compression nut 31 is abutted against the sealing pressing block 32, so that the installation of the electric heating pipes 3 is completed, and the electric heater can be normally used; when an individual electric heating pipe 3 is damaged, the electric heating pipe 3 needs to be detached independently, the compression nut 31 is rotated firstly, the compression nut 31 is separated from the threaded seat 21, after the compression nut 31 is separated, the whole electric heating pipe 3 can freely move along the length direction of the whole electric heating pipe 3, the electric heating pipe 3 is directly taken down from the pipe plate 2, and the good electric heating pipe 3 is installed according to the installation method, so that the replacement of the single electric heating pipe 3 is conveniently realized, and the production cost of the whole electric heater is greatly reduced.
In addition to the above embodiments, the present invention may have other embodiments; all the technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope claimed by the present invention.
Claims (5)
1. The utility model provides a straight-bar detachable type electric heater, includes terminal box (1), tube sheet (2) and a plurality of electric heating pipe (3) that set gradually along the linear direction, its characterized in that: one side of the tube plate (2) close to the junction box (1) is fixed with a threaded seat (21) through which a plurality of power supply heating tubes (3) penetrate, one end of each electric heating tube (3) which deviates from the threaded seat (21) and is located in the junction box (1) is coaxially sleeved with a gland nut (31) matched with the threaded seat (21), a sealing pressing block (32) fixed on the electric heating tube (3) and a gasket (33) sleeved on the electric heating tube (3) are arranged between the gland nut (31) and the threaded seat (21), and the gasket (33) is arranged between the sealing pressing block (32) and the threaded seat (21).
2. The straight rod detachable electric heater according to claim 1, wherein: the thread seat (21) is uniformly fixed on the tube plate (2), and the thread seat (21) and the tube plate (2) are vertically arranged.
3. The straight rod detachable electric heater according to claim 1, wherein: the connection mode between the threaded seat (21) and the tube plate (2) is set as welding, and the connection mode between the sealing pressing block (32) and the tube plate (2) is also set as welding.
4. The straight rod detachable electric heater according to claim 1, wherein: the side surface of the compression nut (31) is provided with a plurality of strip-shaped grooves (311) at equal intervals along the circumferential direction of the compression nut.
5. The straight rod detachable electric heater according to claim 4, wherein: and a rubber sealing layer (312) is arranged on the inner wall of the compression nut (31) which is abutted against the sealing pressing block (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920622283.1U CN210042261U (en) | 2019-04-30 | 2019-04-30 | Straight rod detachable electric heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920622283.1U CN210042261U (en) | 2019-04-30 | 2019-04-30 | Straight rod detachable electric heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210042261U true CN210042261U (en) | 2020-02-07 |
Family
ID=69363081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920622283.1U Active CN210042261U (en) | 2019-04-30 | 2019-04-30 | Straight rod detachable electric heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210042261U (en) |
-
2019
- 2019-04-30 CN CN201920622283.1U patent/CN210042261U/en active Active
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