Corrugated pipe joint with insulation function
By introducing an anti-static ring and an insulating sleeve into the corrugated pipe joint, the safety hazards caused by static electricity entering the corrugated pipe of the gas water heater are solved, achieving static isolation and improving the safety and stability of the corrugated pipe.
Patent Information
- Application Number
- CN202423265696.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-12-30
AI Technical Summary
The gas inlet pipe and corrugated pipe joint of a gas water heater are made of metal, which can easily lead to current flowing into the corrugated pipe, causing breakdown and gas leakage, posing a safety hazard.
A bellows joint structure is designed, comprising a first connecting nut, a second connecting nut, a limiting retaining ring, a sealing sleeve, an anti-static ring, an anti-static ring, an anti-static ring, a first insulating sleeve, and a second insulating sleeve. The anti-static ring and the insulating sleeve isolate static electricity, preventing static electricity from entering the bellows and improving safety.
It effectively isolates the static electricity generated by the gas water heater, prevents static electricity from breaking down the corrugated pipe, improves the safety and stability of the corrugated pipe, and avoids gas leakage.
Smart Images

Figure CN223524649U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of corrugated pipe connectors, in particular to a corrugated pipe joint with insulation function. BACKGROUND
[0002] Corrugated pipes are usually used to connect gas pipes with gas water heaters. Since the gas water heater is an electrical appliance, the electrical appliance is prone to electric leakage. Since the joint of the air inlet pipe of the gas water heater and the corrugated pipe is made of metal, electricity can be introduced into the corrugated pipe. Since the side wall of the corrugated pipe is thin, the outflowing electricity can break through the side wall of the corrugated pipe, causing gas leakage, which can cause great damage. CONTENT OF THE UTILITY MODEL
[0003] The utility model discloses to the defects and insufficiency of prior art, provide a corrugated pipe joint with insulation function.
[0004] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:
[0005] The utility model discloses a first connecting nut, second connecting nut, limit snap ring and sealing sleeve, one end of first connecting nut is connected in one end of second connecting nut, limit snap ring is located between first connecting nut with second connecting nut, sealing sleeve is located in second connecting nut, second connecting nut includes first connecting head and second connecting head, and the electric ring is arranged between first connecting head with second connecting head, one end of first connecting head is threaded sleeve joint in the outer circumferential side of one end of first connecting nut, and the outer circumferential side of the outer end of second connecting head has the outer thread connected with gas water heater.
[0006] Preferably, the outer circumferential side of the electric ring is sleeved with a first insulating sheath, one end of the first insulating sheath is sleeved with the circumferential side of the first connecting head, and the other end of the first insulating sheath is sleeved with the circumferential side of the second connecting head.
[0007] Preferably, the circumferential side of the first connecting head has a first locking ring, and the first locking ring is embedded and fixed in the first insulating sheath.
[0008] Preferably, the circumferential side of the second connecting head has a second locking ring, and the second locking ring is embedded and fixed in the first insulating sheath.
[0009] Preferably, the outer circumferential side of the outer end of the first connecting nut is sleeved and fixed with a second insulating sheath.
[0010] Preferably, the circumferential side of the first connecting nut has a third locking ring, and the third locking ring is embedded and fixed in the second insulating sheath.
[0011] Preferably, the inner periphery of the second insulating sheath is provided with a ring groove, and a sealing ring is arranged in the ring groove.
[0012] In summary, the present application has at least one of the following beneficial technical effects:
[0013] 1. The electric isolation ring is located between the first connector and the second connector, and the first insulating sheath is located on the outer periphery of the first connector and the second connector. When the corrugated pipe is installed, the outer periphery of the second connector is connected to the gas inlet of the gas water heater. When the gas water heater is working, the static electricity generated by the gas water heater is introduced into the second connector through the gas inlet, and then the static electricity generated by the gas water heater cannot enter the corrugated pipe under the isolation of the electric isolation ring, so as to not affect the corrugated pipe, thereby improving the safety of the corrugated pipe.
[0014] 2. The outer periphery of the first connecting nut is sleeved with the second insulating sheath. When the corrugated pipe joint is disassembled, the hand does not directly contact the first connecting nut, so as to prevent the static electricity generated by the hand from being conducted to the first connecting nut, thereby improving the stability of the corrugated pipe joint. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 is a sectional view of the corrugated pipe of the utility model.
[0016] In the figure: 1, corrugated pipe body; 2, covering layer; 3, first connecting nut; 4, second connecting nut; 5, limiting snap ring; 6, sealing sleeve; 7, second insulating sheath; 8, third locking ring; 9, ring groove; 10, sealing ring; 11, first connector; 12, second connector; 13, electric isolation ring; 14, first insulating sheath; 15, first locking ring; 16, second locking ring. DETAILED DESCRIPTION
[0017] The utility model will be further described below in combination with the drawings.
[0018] The utility model discloses a corrugated pipe with insulation function.
[0019] Refer to Figure 1 , including corrugated pipe body 1, covering layer 2, first connecting nut 3, second connecting nut 4, limiting snap ring 5 and sealing sleeve 6, covering layer 2 is sleeved and fixed on the periphery of corrugated pipe body 1, the vertical section of limiting snap ring 5 is " L " character, the inner side of limiting snap ring 5 is clamped and fixed in the recess of corrugated pipe body 1, one end of sealing sleeve 6 abuts to one end of limiting snap ring 5, sealing sleeve 6 is sleeved and fixed on one end of corrugated pipe body 1, one end of first connecting nut 3 is screwed in one end of second connecting nut 4, one end of first connecting nut 3 abuts to the other end of limiting snap ring 5, and limiting snap ring 5 and sealing sleeve 6 are located in second connecting nut 4 respectively.
[0020] The limiting snap ring 5 is composed of two half rings, and when the limiting snap ring 5 is installed, the inner ends of the two half rings are embedded into the grooves of the corrugated pipe body 1, so that the limiting snap ring 5 is conveniently installed.
[0021] The outer end of the first connecting nut 3 is sleeved and fixed with the second insulating sleeve 7, and the periphery of the first connecting nut 3 is integrally provided with two third locking rings 8 which are clamped in the second insulating sleeve 7, and the first connecting nut 3 and the second insulating sleeve 7 are integrally formed by injection molding. When the corrugated pipe joint is disassembled, the hand does not directly contact the first connecting nut 3, so that static electricity generated in the hand can be prevented from being conducted to the first connecting nut 3.
[0022] The inner periphery of the outer end of the second insulating sleeve 7 is provided with a ring groove 9, and a sealing ring 10 is placed in the ring groove 9, and the inner side of the sealing ring 10 abuts against the outer periphery of the cladding layer 2, so that the sealing property between the first connecting nut 3 and the cladding layer 2 can be improved.
[0023] The second connecting nut 4 includes a first connecting head 11 and a second connecting head 12, and an electric isolation ring 13 is placed between the first connecting head 11 and the second connecting head 12, the outer periphery of the electric isolation ring 13 is integrally sleeved with a first insulating sleeve 14, one end of the first insulating sleeve 14 is sleeved on the periphery of the first connecting head 11, the other end of the first insulating sleeve 14 is sleeved on the periphery of the second connecting head 12, the first insulating sleeve 14, the first connecting head 11 and the second connecting head 12 are integrally formed by injection molding, the periphery of the first connecting head 11 is integrally provided with two first locking rings 15 which are clamped in the first insulating sleeve 14, and the periphery of the second connecting head 12 is integrally provided with two second locking rings 16 which are clamped in the first insulating sleeve 14. The first insulating sleeve 14 is located on the outer periphery of the first connecting head 11 and the second connecting head 12, when the corrugated pipe is installed, the outer periphery of the second connecting head 12 is connected with the gas inlet of the gas water heater, when the gas water heater works, static electricity generated by the gas water heater can be introduced into the second connecting head 12 through the gas inlet, and then under the isolation of the electric isolation ring 13, the static electricity generated by the gas water heater cannot enter the corrugated pipe.
[0024] The above is only a preferred embodiment of the present application, so equivalent changes or modifications made according to the structure, features and principles of the present application patent application range are included in the present application patent application range.
Claims
1. A corrugated pipe joint with insulation function, comprising a first connecting nut (3), a second connecting nut (4), a limiting snap ring (5) and a sealing sleeve (6), one end of the first connecting nut (3) is threadedly connected in one end of the second connecting nut (4), the limiting snap ring (5) is located between the first connecting nut (3) and the second connecting nut (4), and the sealing sleeve (6) is located in the second connecting nut (4), characterized in that: The second connecting nut (4) comprises a first connecting head (11) and a second connecting head (12), an electric isolation ring (13) is arranged between the first connecting head (11) and the second connecting head (12), one end of the first connecting head (11) is threadedly sleeved on the outer peripheral side of one end of the first connecting nut (3), and the outer peripheral side of the outer end of the second connecting head (12) is provided with an external thread for connecting a gas water heater. 2. The corrugated pipe joint with insulation function according to claim 1, characterized in that The outer peripheral side of the electric isolation ring (13) is sleeved with a first insulation sheath (14), one end of the first insulation sheath (14) is sleeved on the peripheral side of the first connecting head (11), and the other end of the first insulation sheath (14) is sleeved on the peripheral side of the second connecting head (12).
3. The corrugated pipe joint with insulation function according to claim 2, characterized in that The peripheral side of the first connecting head (11) is provided with a first locking ring (15), and the first locking ring (15) is embedded and fixed in the first insulation sheath (14).
4. The corrugated pipe joint with insulation function according to claim 2, characterized in that The peripheral side of the second connecting head (12) is provided with a second locking ring (16), and the second locking ring (16) is embedded and fixed in the first insulation sheath (14).
5. The corrugated pipe joint with insulation function according to claim 1, characterized in that The outer peripheral side of the outer end of the first connecting nut (3) is sleeved and fixed with a second insulation sheath (7).
6. The corrugated pipe joint with insulation function according to claim 5, characterized in that The peripheral side of the first connecting nut (3) is provided with a third locking ring (8), and the third locking ring (8) is embedded and fixed in the second insulation sheath (7).
7. The corrugated pipe joint with insulation function according to claim 5, characterized in that The inner peripheral side of the second insulation sheath (7) is provided with a ring groove (9), and the ring groove (9) is provided with a sealing ring (10).