Electric heating tube connecting structure of combined high-voltage heater

By introducing a locking component into the high-voltage heater, the problem of requiring tools for disassembly in the prior art is solved, enabling quick disassembly of the heating tube and the connector, thus facilitating the maintenance process.

CN223957670UActive Publication Date: 2026-02-27ANHUI NINGGUO TIANCHENG ELECTRICAL APPLIANCES
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Patent Information

Application Number
CN202520496156.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-20
Publication Date
2026-02-27
Estimated Expiration
2035-03-20

AI Technical Summary

Technical Problem

The existing heating element connection structure of high-voltage heaters requires workers to use tools to disassemble, which is inconvenient.

Method used

The device employs a locking assembly, including a housing, a locking pin, a pull rod, and an elastic element. The heating element and the connector can be quickly disassembled through the beveled contact between the locking pin and the slot and the engagement of the sealing ring.

Benefits of technology

It enables quick disassembly of the heating element and the connector, improving maintenance convenience and eliminating the need for tool disassembly.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an electric heating tube connecting structure of a combined high-voltage heater, which relates to the technical field of heater equipment and comprises a heating tube, the outer wall of the heating tube is connected with a connecting seat, the heating tube penetrates through the connecting seat and is connected with the inner wall of a shell, and a binding post connected with a power supply is arranged at the bottom of the shell. The shell is internally provided with a touch piece which is connected with the binding post and used for sensing current, the touch piece is connected with the binding post through a connecting wire, the connecting base is inserted into the shell, the base makes contact with the inclined face of the clamping column, the clamping column is jacked into the shell, and after the base is in place, the sealing ring is attached to the annular groove, so that the sealing effect is achieved; meanwhile, the alignment strip can be inserted into the groove to complete positioning, the clamping column can be inserted into the clamping groove to achieve a fixed state, the clamping column is contracted into the shell by pulling the pull rod, the heating pipe and the connecting base can be taken out, and disassembly is completed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of heater equipment, and particularly relates to a combined high-voltage heater electric heating tube connecting structure. BACKGROUND

[0002] A heater is a device that converts electrical energy into heat energy or uses other heat energy to raise the temperature of an object or maintain a certain temperature environment.

[0003] The utility model discloses a combined high-voltage heater electric heating tube connecting structure, including U electric heating tube and equipment shell, the lower end fixedly connected with mounting seat of U electric heating tube, the lower of mounting seat is equipped with connecting seat, the upper end left and right sides of mounting seat are all connected with bolt through first screw hole, the upper end left and right sides of connecting seat all are equipped with the second screw hole matched with bolt, the lower end left and right sides of U electric heating tube are all fixedly connected with the lead -out stick, and the lower end of two lead -out sticks all penetrates the upper end of mounting seat and extends to below, the upper end left and right sides of connecting seat all are equipped with the clamping slot matched with lead -out stick, and the lower side wall of two clamping slots all are equipped with the recess.

[0004] But the above -mentioned patent through bolt, but need to disassemble and overhaul, still need staff to take the tool to be convenient for the bolt to be screwed and disassembled, cannot conveniently disassemble the equipment, for this need combined high-voltage heater electric heating tube connecting structure. UTILITY MODEL CONTENTS

[0005] The utility model discloses a combined high-voltage heater electric heating tube connecting structure, solve the problem that the staff needs to hold screwdriver to complete disassembly in the prior art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a combined high-voltage heater electric heating tube connecting structure, including heating pipe, the outer wall of heating pipe is connected with connecting seat, the heating pipe is connected with the inner wall of shell through connecting seat, the bottom of shell is equipped with the binding post of power connection, the inside of shell is equipped with the touch piece for inducting current connected with binding post, the touch piece is connected with binding post through connecting wire, the outer wall of shell is equipped with the locking assembly that connecting seat is locked in the inside of shell can be quickly disassembled.

[0007] Preferably, the connecting seat includes a base, an alignment strip, a clamping groove, and a sealing ring, the peripheral wall of the base is connected with the alignment strip, the outer wall of the base is provided with the clamping groove, and the outer wall of the base is provided with the sealing ring below the clamping groove.

[0008] Preferably, the alignment bars and the clamping grooves are provided with two groups, and the two groups of the alignment bars and the clamping grooves are symmetrically distributed about the central axis of the base.

[0009] Preferably, the shell comprises an insulating shell, a groove, a hole and an annular groove, the inner wall of the insulating shell is provided with a vertically extending groove, the inner wall of the insulating shell is provided with a hole, and the inside of the insulating shell is provided with an annular groove located below the hole and surrounding the insulating shell.

[0010] Preferably, the locking assembly comprises a shell, a clamping column, a pull rod and an elastic piece, the inner wall of the shell is connected with the outer wall of the clamping column, one end of the clamping column is elastically connected with the shell through the elastic piece, and the outer wall of the clamping column is connected with the pull rod.

[0011] Preferably, one end surface of the clamping column is a 45° inclined surface, the shell is provided with a sliding groove matched with the pull rod, and the shell is provided with a sliding groove matched with the clamping column.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] By inserting the connecting seat into the shell, the base will contact the inclined surface of the clamping column, the clamping column will be inserted into the shell, the sealing ring will be matched with the annular groove after the base is in place, the sealing effect is realized, the alignment bar will be inserted into the groove, the positioning is completed, the clamping column will be inserted into the clamping groove, and the fixed state is achieved, the connecting seat and the heating pipe can be taken out by pulling the pull rod to make the clamping column shrink into the shell, and the disassembly is completed. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a first perspective overall structure schematic view of the utility model product.

[0015] Figure 2 It is a second perspective overall structure schematic view of the utility model product.

[0016] Figure 3 It is a shell structure schematic view of the utility model product.

[0017] Figure 4 It is a connecting seat structure schematic view of the utility model product.

[0018] Figure 5 It is a touch piece and connecting wire connecting structure schematic view of the utility model product.

[0019] Figure 6 It is a locking assembly structure schematic view of the utility model product.

[0020] In the diagram: 1. Heating element; 2. Connecting seat; 201. Base; 202. Alignment strip; 203. Slot; 204. Sealing ring; 3. Housing; 301. Insulating shell; 302. Groove; 303. Hole; 304. Annular groove; 4. Terminal post; 5. Contact piece; 6. Connecting wire; 7. Locking assembly; 701. Outer shell; 702. Locking post; 703. Pull rod; 704. Elastic element. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] This utility model relates to the heating element connection structure of a combined high-voltage heater, such as... Figures 1-6 As shown, it includes a U-shaped heating tube 1. The outer wall of the heating tube 1 is provided with a connecting seat 2. The heating tube 1 passes through the connecting seat 2 and is connected to the inner wall of the housing 3. One end of the heating tube 1 passing through the connecting seat 2 will be in contact with the housing 3 for conducting current. The bottom of the housing 3 is connected to a terminal 4. The inside of the housing 3 is provided with a contact piece 5 that cooperates with the terminal 4. The contact piece 5 is connected to the terminal 4 through a connecting wire 6, which can conduct current through the connecting wire 6 to the contact piece 5, so that it contacts the end of the heating tube 1 passing through the connecting seat 2 to achieve the function of connecting the current. The outer wall of the heating tube 1 is provided with a locking component 7, which can quickly detach and assemble the connecting seat 2 and the housing 3, and can lock the connecting seat 2 inside the housing 3.

[0023] Furthermore, such as Figure 4 As shown, the connecting seat 2 includes a base 201. The peripheral wall of the base 201 is provided with an alignment strip 202. The alignment strip 202 is cuboid, which facilitates the insertion of the connecting seat 2 into the housing 3 and the mating in a fixed position. The outer wall of the base 201 is also provided with a slot 203 extending towards the center, which serves to insert and fix the locking component 7. The outer wall of the base 201 is also provided with a sealing ring 204 located below the slot 203 and surrounding the outer wall of the base 201, which helps to seal the current contact component and prevent water from entering. There are two sets of alignment strips 202 and slots 203. The positional relationship of the two sets of alignment strips 202 and slots 203 is symmetrically distributed about the central axis of the base 201.

[0024] Furthermore, such as Figure 3As shown, the shell 3 includes an insulating shell 301, the inner wall of the insulating shell 301 is axially provided with a recess 302, the inside of the insulating shell 301 is also provided with a hole 303, so that the alignment strip 202 is inserted into the inside to complete the positioning, the insulating shell 301 and the hole 303 are provided with two groups, the positional relationship of the two groups of insulating shell 301 and the hole 303 is symmetrically distributed about the central axis of the insulating shell 301, the inner wall of the insulating shell 301 is connected with an annular groove 304 located below the hole 303, the sealing ring 204 is connected with the annular groove 304 in an interference fit, and the sealing effect is achieved.

[0025] Further, as shown in the figure, Figure 6 In order to position the connecting seat 2 in the inside of the shell 3 to complete the connection, the locking assembly 7 includes a housing 701, the inner wall of the housing 701 is slidingly connected with a clamping column 702, the clamping column 702 penetrates through the hole 303 and extends into the clamping groove 203 to complete the fixation of the heating pipe 1 and the connecting seat 2, the housing 701 is provided with a sliding groove matching the clamping column 702, one end surface of the clamping column 702 is a 45° inclined surface, which facilitates the connecting seat 2 to touch and shrink, facilitates the movement of the clamping column 702, one end of the clamping column 702 is connected with an elastic member 704, the other end of the elastic member 704 is connected with the inner wall of the housing 701, which has an elastic effect, the outer wall of the clamping column 702 is provided with a pull rod 703, which facilitates the pulling of the clamping column 702, the housing 701 is provided with a sliding groove matching the pull rod 703, which limits the direction of the clamping column 702.

[0026] Specific use: by inserting the connecting seat 2 into the shell 3, the base 201 will contact the inclined surface of the clamping column 702, and the clamping column 702 will be pushed into the housing 701, after the base 201 is in place, the sealing ring 204 will be in close contact with the annular groove 304 to achieve the sealing effect, at the same time, the alignment strip 202 will also be inserted into the recess 302 to complete the positioning, the clamping column 702 will be inserted into the clamping groove 203 to reach the fixed state, by pulling the pull rod 703, the clamping column 702 will be shrunk into the housing 701, the heating pipe 1 and the connecting seat 2 can be taken out to complete the disassembly.

[0027] It should be noted that in this paper, relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0028] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An electrical heating tube connection structure for a combined high voltage heater, comprising a heating tube (1), characterized in that: The outer wall of the heating pipe (1) is connected with the connecting seat (2), the heating pipe (1) is connected with the inner wall of the shell (3) through the connecting seat (2), the bottom of the shell (3) is provided with the terminal post (4) connected with the power supply, the inside of the shell (3) is provided with the touch piece (5) connected with the terminal post (4) for sensing current, the touch piece (5) is connected with the terminal post (4) through the connecting line (6), and the outer wall of the shell (3) is provided with the locking assembly (7) for locking the connecting seat (2) in the shell (3) and being quickly detachable.

2. The combined high voltage heater's sheathed heating element connection structure according to claim 1, characterized in that: The connecting seat (2) comprises a base (201), a positioning strip (202), a clamping groove (203) and a sealing ring (204), the peripheral wall of the base (201) is connected with the positioning strip (202), the outer wall of the base (201) is provided with the clamping groove (203), and the outer wall of the base (201) is provided with the sealing ring (204) located below the clamping groove (203).

3. The combined high voltage heater's sheathed heating element connection structure according to claim 2, wherein: The positioning strip (202) and the clamping groove (203) are provided with two groups, and the two groups of the positioning strip (202) and the clamping groove (203) are symmetrically distributed about the central axis of the base (201).

4. The combined high voltage heater's sheathed heating element connection structure according to claim 1, wherein: The shell (3) comprises an insulating shell (301), a groove (302), a hole (303) and an annular groove (304), the inner wall of the insulating shell (301) is provided with the vertically extending groove (302), the inner wall of the insulating shell (301) is provided with the hole (303), and the inside of the insulating shell (301) is provided with the annular groove (304) located below the hole (303) and surrounding the insulating shell (301).

5. The combined high voltage heater's sheathed heating element connection structure according to claim 1, wherein: The locking assembly (7) comprises an outer shell (701), a clamping column (702), a pull rod (703) and an elastic member (704), the inner wall of the outer shell (701) is connected with the outer wall of the clamping column (702), one end of the clamping column (702) is elastically connected with the outer shell (701) through the elastic member (704), and the outer wall of the clamping column (702) is connected with the pull rod (703).

6. The combined high voltage heater's sheathed heating element connection structure according to claim 5, wherein: One end surface of the clamping column (702) is a 45° inclined surface, the outer shell (701) is provided with a sliding groove matched with the pull rod (703), and the outer shell (701) is provided with a sliding groove matched with the clamping column (702).

Citation Information

Patent Citations

  • Electric heating tube connecting structure of combined high-voltage heater

    CN211090019U