CN210518883U - Connecting device for electric heating tube of electric heater - Google Patents
Connecting device for electric heating tube of electric heater Download PDFInfo
- Publication number
- CN210518883U CN210518883U CN201920385222.8U CN201920385222U CN210518883U CN 210518883 U CN210518883 U CN 210518883U CN 201920385222 U CN201920385222 U CN 201920385222U CN 210518883 U CN210518883 U CN 210518883U
- Authority
- CN
- China
- Prior art keywords
- pipe
- insulating layer
- tube
- connecting device
- electric heater
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000005485 electric heating Methods 0.000 title claims description 17
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 32
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 31
- 229910052802 copper Inorganic materials 0.000 claims abstract description 24
- 239000010949 copper Substances 0.000 claims abstract description 24
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 23
- 238000009413 insulation Methods 0.000 claims abstract description 14
- 238000010276 construction Methods 0.000 claims 1
- 239000004411 aluminium Substances 0.000 abstract 4
- 238000005299 abrasion Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000004964 aerogel Substances 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000452 restraining effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- ZCCIPPOKBCJFDN-UHFFFAOYSA-N calcium nitrate Chemical compound [Ca+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ZCCIPPOKBCJFDN-UHFFFAOYSA-N 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Inorganic materials [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 1
- 235000010333 potassium nitrate Nutrition 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a connecting device of electric heater electrothermal tube, including U pipe, spring and heat insulation layer, wherein, the mid-mounting of U pipe has the aluminium frame, and the inside of aluminium frame is provided with the spacing groove, the inside of spacing groove is provided with the beam tube cover, the inside of connecting the shell is provided with the heat insulation layer, and connects the top that the shell is located the U pipe, the inside on heat insulation layer is provided with the insulating layer, and the inside of insulating layer is provided with adjusting nut, install adjusting screw between the aluminium frame, interior groove piece is installed to adjusting nut's top, and the copper sheet is all installed to the left and right sides of interior groove piece, adjusting nut's inside is provided with the thread head. This connecting device of electric heater electrothermal tube can effectual restriction U pipe's position through the beam pipe box to and separate between U pipe and the aluminium frame, and have certain interval between the beam pipe box, can effectually separate two U pipes, prevent the interval undersize between the U pipe.
Description
Technical Field
The utility model relates to an electrothermal tube technical field specifically is a connecting device of electric heater electrothermal tube.
Background
The electrothermal tube is named as a heating tube and a heating tube, and is known as a tubular electric heater element, wherein a coiled heating wire is placed in a metal tube, insulating powder with good heat resistance, heat conductivity and insulativity is filled around the heating wire and in a gap part, and two end parts of the heating wire are provided with leading-out bars or leading-out wires for connection.
The electrothermal tube has simple structure, high mechanical strength, high heat efficiency, high safety, high reliability and other features, and is suitable for various kinds of saltpeter tank, water tank, oil tank and other apparatus.
The existing connecting device of the electric heating tube can not well separate the electric heating tubes in the using process, reduces the faults that the electric heating tubes are collided or damaged, can not well provide a stable and reliable connecting mode for the electric heating tubes, and can not well provide a power-off protection function for the device.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a connecting device of electric heater electrothermal tube to the connecting device who provides the electrothermal tube now among the above-mentioned background art of solution separates each other between the electrothermal tube in the use, can not be fine, reduces the fault that the electrothermal tube suffered collision or damage, can not be fine for the electrothermal tube provides reliable and stable connected mode, can not be fine for the device provides the power-off protection function, can not be fine the problem of satisfying people's user demand.
In order to achieve the above object, the utility model provides a following technical scheme: a connecting device of an electric heating tube of an electric heater is characterized by comprising a U tube, a connecting shell, a spring and a heat insulation layer, wherein an aluminum frame is arranged in the middle of the U tube, a limiting groove is formed in the aluminum frame, a beam tube sleeve is arranged in the limiting groove, the heat insulation layer is arranged in the connecting shell, and the connecting shell is positioned above the U tube;
an insulating layer is arranged inside the heat insulation layer, an adjusting nut is arranged inside the insulating layer, an adjusting screw rod is arranged between the aluminum frames, an inner groove block is arranged above the adjusting nut, copper sheets are arranged on the left side and the right side of the inner groove block, and a thread head is arranged inside the adjusting nut;
the inside of spring is provided with the fuse, and the spring is located the inside of interior groove block, the spout is all installed to the upper and lower both sides of spring.
Preferably, the U-shaped pipe penetrates through the inside of the pipe restraining sleeve, and the vertical center line of the pipe restraining sleeve and the vertical center line of the limiting groove are overlapped.
Preferably, a detachable structure is formed between the aluminum frames through adjusting screws, and the adjusting screws are perpendicular to the horizontal center line of the aluminum frames.
Preferably, the vertical central lines among the connecting shell, the heat insulating layer and the insulating layer are mutually overlapped, and the inner surface of the heat insulating layer is tightly attached to the outer surface of the insulating layer.
Preferably, the screw head forms an integrated structure through the U pipe, the U pipe forms a detachable structure through the matching between the screw head and the adjusting nut and the connecting shell, and the U pipe penetrates through the lower edge of the connecting shell.
Preferably, the copper sheets are symmetrically distributed about a vertical center line of the inner groove block, an elastic structure is formed between the copper sheets through springs, and a sliding structure is formed between the copper sheets and the connecting shell through sliding grooves.
The embodiment of the utility model provides a technical scheme can include following beneficial effect:
according to the connecting device for the electric heating tube of the electric heater, in the implementation process of the connecting device, the position of the U tube can be effectively limited through the beam tube sleeve, the U tube and the aluminum frame are separated, abrasion between the aluminum frame and the U tube is reduced, a certain distance is reserved between the beam tube sleeves, the two U tubes can be effectively separated, the phenomenon that the distance between the U tubes is too small or the U tubes are inclined during installation to cause collision easily between the U tubes or the contact area between the U tubes and water is reduced, and therefore the heat transfer efficiency of the U tubes is reduced; the aerogel felt which is a component material of the heat insulation layer can effectively reduce the introduction of the temperature outside the connecting shell to the heat inside the connecting shell through the heat insulation layer, delay the rise of the temperature inside the connecting shell and effectively ensure the normal work of electronic elements inside the connecting shell, and the component material of the insulating layer is ceramic, so that the electric leakage phenomenon can be effectively prevented through the insulating layer, and the damage of a device circuit caused by electric leakage is avoided; the U pipe and the connecting shell can be effectively and stably fixed through the matching between the threaded head and the adjusting nut, a stable connecting mode is provided for the U pipe, the mechanical abrasion between the U pipe and the connecting shell can be effectively reduced, meanwhile, a user can conveniently replace or maintain the U pipe, and the U pipe can be guaranteed to stably work for a long time; the distance between the aluminum frames can be effectively changed through the adjusting screw, the adjusting screw is rotated according to the length of the U pipe, the distance between the aluminum frames is adjusted to a proper position, the distance between the U pipes is in a proper position, and the fixing stability of the U pipe can be effectively enhanced; can be connected through the copper sheet with the inside wire of being connected the shell, when the electric current through the copper sheet was too big, the fuse fracture, the spring is opened the copper sheet along bouncing away in opposite directions between the axis of spout, can break off the circuit fast, prevents that the electric current is too big, leads to the device to damage, can effectually provide reliable power protection for the device.
Drawings
Fig. 1 is a schematic plan view of the present invention;
FIG. 2 is a schematic view of the internal structure of the aluminum frame of the present invention;
FIG. 3 is a schematic view of the internal structure of the inner trough block of the present invention;
fig. 4 is a schematic sectional view of the connection housing according to the present invention.
In the figure: the device comprises a 1-U tube, a 2-aluminum frame, a 3-adjusting screw, a 4-bundle tube sleeve, a 5-connecting shell, a 6-thread head, a 7-copper sheet, an 8-inner groove block, a 9-adjusting screw cap, a 10-limiting groove, a 11-sliding groove, a 12-fuse, a 13-spring, a 14-thermal insulation layer and a 15-insulation layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a connecting device of an electric heating tube of an electric heater comprises a U tube 1, an aluminum frame 2, an adjusting screw rod 3, a beam tube sleeve 4, a connecting shell 5, a thread head 6, a copper sheet 7, an inner groove block 8, an adjusting nut 9, a limiting groove 10, a sliding groove 11, a fuse 12, a spring 13, a heat insulation layer 14 and an insulating layer 15, wherein the aluminum frame 2 is installed in the middle of the U tube 1, the limiting groove 10 is arranged in the aluminum frame 2, the U tube 1 penetrates through the beam tube sleeve 4, the vertical central line of the beam tube sleeve 4 and the vertical central line of the limiting groove 10 are overlapped with each other, the position of the U tube 1 can be effectively limited through the beam tube sleeve 4, the U tube 1 and the aluminum frame 2 are separated, the abrasion between the aluminum frame 2 and the U tube 1 is reduced, a certain distance is reserved between the beam tube sleeves 4, the two U tubes 1 can be effectively separated, and the distance between the U tubes 1 is prevented from being too, or the U-shaped tubes 1 are inclined when being installed, so that the U-shaped tubes 1 are easy to collide, or the contact area between the U-shaped tubes 1 and water is reduced, so that the heat transfer efficiency of the U-shaped tubes 1 is reduced;
referring to fig. 4, the inside of the limiting groove 10 of the present invention is provided with the collar 4, the inside of the connecting shell 5 is provided with the thermal insulation layer 14, and the connecting shell 5 is located above the U-tube 1; an insulating layer 15 is arranged in the heat insulating layer 14, an adjusting nut 9 is arranged in the insulating layer 15, vertical central lines among the connecting shell 5, the heat insulating layer 14 and the insulating layer 15 are overlapped, the inner surface of the heat insulating layer 14 is tightly attached to the outer surface of the insulating layer 15, aerogel felt which is a component material of the heat insulating layer 14 can effectively reduce the introduction of the temperature outside the connecting shell 5 to the heat inside the connecting shell 5 through the heat insulating layer 14, the rise of the temperature inside the connecting shell 5 is delayed, the normal work of electronic elements inside the connecting shell 5 can be effectively guaranteed, the component material of the insulating layer 15 is ceramic, the occurrence of electric leakage can be effectively prevented through the insulating layer 15, and the damage of a device circuit caused by electric leakage is avoided;
the screw thread head 6 forms an integrated structure through the U-shaped pipe 1, the U-shaped pipe 1 forms a detachable structure with the connecting shell 5 through the matching between the screw thread head 6 and the adjusting nut 9, the U-shaped pipe 1 penetrates through the lower edge of the connecting shell 5, the U-shaped pipe 1 and the connecting shell 5 can be effectively and stably fixed through the matching between the screw thread head 6 and the adjusting nut 9, a stable connecting mode is provided for the U-shaped pipe 1, the mechanical abrasion between the U-shaped pipe 1 and the connecting shell 5 can be effectively reduced, meanwhile, a user can conveniently replace or maintain the U-shaped pipe 1, the U-shaped pipe 1 can be ensured to stably work for a long time, the adjusting screw rods 3 are arranged between the aluminum frames 2, the detachable structure is formed between the aluminum frames 2 through the adjusting screw rods 3, the adjusting screw rods 3 are perpendicular to the horizontal central line of the aluminum frames 2, the distance between the aluminum frames 2 can be effectively changed through, according to the length of the U-shaped pipe 1, the adjusting screw 3 is rotated to adjust the distance between the aluminum frames 2 to a proper position, so that the distance between the U-shaped pipes 1 is in a proper position, the fixing stability of the U-shaped pipe 1 can be effectively enhanced, an inner groove block 8 is arranged above the adjusting screw cap 9, copper sheets 7 are arranged on the left side and the right side of the inner groove block 8, and a threaded head 6 is arranged inside the adjusting screw cap 9;
referring to fig. 3, a fuse 12 is disposed inside a spring 13 of the present invention, the spring 13 is located inside an inner slot block 8, copper sheets 7 are symmetrically distributed about a vertical center line of the inner slot block 8, the copper sheets 7 form an elastic structure through the spring 13, and the copper sheets 7 form a sliding structure through a sliding slot 11 and a connecting housing 5; can be connected with the inside wire of connecting shell 5 through copper sheet 7, when the electric current through copper sheet 7 was too big, fuse 12 fracture, spring 13 flicks copper sheet 7 along in opposite directions between the axis of spout 11, can break off the circuit fast, prevents that the electric current is too big, leads to the device to damage, can effectually provide reliable power-off protection for the device, and spout 11 is all installed to the upper and lower both sides of spring 13.
The working principle is as follows: when the connecting device of the electric heating tube of the electric heater is used, firstly, the U tubes 1 penetrate through the inside of the aluminum frame 2, a certain distance is reserved between the beam tube sleeves 4, and the two U tubes 1 are separated, so that the U tubes 1 are prevented from being collided easily due to too small distance or deflection when the U tubes 1 are installed;
secondly, according to the length of the U-shaped pipe 1, the adjusting screw rod 3 is rotated to adjust the distance between the aluminum frames 2 to a proper position, so that the distance between the U-shaped pipes 1 is in a proper position, then, the U-shaped pipe 1 and the connecting shell 5 can be effectively and stably fixed through the matching between the threaded head 6 and the adjusting screw cap 9, the mechanical abrasion between the U-shaped pipe 1 and the connecting shell 5 can be effectively reduced, and meanwhile, a user can conveniently replace or maintain the U-shaped pipe 1;
finally, the copper sheet 7 can be connected with a lead inside the connecting shell 5, when the current passing through the copper sheet 7 is too large, the fuse 12 is broken, the spring 13 springs the copper sheet 7 to open along the central axis of the sliding groove 11, a circuit can be quickly disconnected, and the damage of the device caused by the too large current is prevented, which is the working principle of the connecting device of the electric heating tube of the electric heater.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The connecting device of the electric heating tube of the electric heater is characterized by comprising a U tube (1), a connecting shell (5), a spring (13) and a heat insulation layer (14), wherein an aluminum frame (2) is installed in the middle of the U tube (1), a limiting groove (10) is formed in the aluminum frame (2), a beam tube sleeve (4) is arranged in the limiting groove (10), the heat insulation layer (14) is arranged in the connecting shell (5), and the connecting shell (5) is located above the U tube (1);
an insulating layer (15) is arranged inside the heat insulating layer (14), adjusting nuts (9) are arranged inside the insulating layer (15), adjusting screws (3) are installed between the aluminum frames (2), inner groove blocks (8) are installed above the adjusting nuts (9), copper sheets (7) are installed on the left side and the right side of each inner groove block (8), and threaded heads (6) are arranged inside the adjusting nuts (9);
the inside of spring (13) is provided with fuse (12), and spring (13) are located the inside of inner groove piece (8), spout (11) are all installed to the upper and lower both sides of spring (13).
2. The connecting device of an electric heating tube of an electric heater as claimed in claim 1, wherein: the U-shaped pipe (1) penetrates through the interior of the beam pipe sleeve (4), and the vertical center line of the beam pipe sleeve (4) and the vertical center line of the limiting groove (10) are overlapped.
3. The connecting device of an electric heating tube of an electric heater as claimed in claim 1, wherein: the detachable structure is formed between the aluminum frames (2) through the adjusting screw rods (3), and the adjusting screw rods (3) are perpendicular to the horizontal center line of the aluminum frames (2).
4. The connecting device of an electric heating tube of an electric heater as claimed in claim 1, wherein: the vertical central lines among the connecting shell (5), the heat insulating layer (14) and the insulating layer (15) are mutually overlapped, and the inner surface of the heat insulating layer (14) is tightly attached to the outer surface of the insulating layer (15).
5. The connecting device of an electric heating tube of an electric heater as claimed in claim 1, wherein: screw thread head (6) constitute integral type structure through U pipe (1), and U pipe (1) through screw thread head (6) and adjusting nut (9) between the cooperation with be connected shell (5) and constitute detachable construction to U pipe (1) runs through in the below edge of being connected shell (5).
6. The connecting device of an electric heating tube of an electric heater as claimed in claim 1, wherein: the copper sheets (7) are symmetrically distributed about a vertical center line of the inner groove block (8), the copper sheets (7) form an elastic structure through springs (13), and the copper sheets (7) form a sliding structure with the connecting shell (5) through sliding grooves (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920385222.8U CN210518883U (en) | 2019-03-26 | 2019-03-26 | Connecting device for electric heating tube of electric heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920385222.8U CN210518883U (en) | 2019-03-26 | 2019-03-26 | Connecting device for electric heating tube of electric heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210518883U true CN210518883U (en) | 2020-05-12 |
Family
ID=70543413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920385222.8U Expired - Fee Related CN210518883U (en) | 2019-03-26 | 2019-03-26 | Connecting device for electric heating tube of electric heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210518883U (en) |
-
2019
- 2019-03-26 CN CN201920385222.8U patent/CN210518883U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200512 |