Air conditioner and anti-disassembly connection device
A technology for preventing disassembly and connecting pipes. It is used in non-removable pipe connections, air conditioning systems, pipes/pipe joints/fittings, etc. It can solve problems such as refrigerant leakage accidents, threats to user life safety, and incorrect disassembly of pipe joints and auxiliary nuts. , to achieve the effect of avoiding refrigerant leakage, avoiding accidental disassembly, and ensuring life safety
Active Publication Date: 2016-11-23
GD MIDEA AIR-CONDITIONING EQUIP CO LTD
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Problems solved by technology
[0005] The purpose of the embodiments of the present invention is to provide an anti-disassembly connection device, which aims to solve the possibility of mis-disassembly between the pipe joint and the auxiliary nut used in the air conditioner in the prior art, which is prone to refrigerant leakage accidents and poses a threat to the life safety of users. threaten
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[0026] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0027] Please also see Figure 1 to Figure 3 , The anti-disassembly connection device 10 provided by the embodiment of the present invention includes a first connecting pipe 20 , a second connecting pipe 30 and an anti-disassembly pipe joint assembly 40 connecting the first connecting pipe 20 and the second connecting pipe 30 .
[0028] The anti-disassembly pipe joint assembly 40 includes a pipe joint 50 connected to the one end 31 of the second connecting pipe 30 and a union nut 60 locked with the pipe joint 50 , and one end of the first connecting pipe 20 21 is fixed between the pipe joint 50 an...
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The invention provides an anti-demounting connecting pipe device. A pipe connector comprises a first external hexagonal segment and an external thread segment. A connecting pipe nut comprises a second external hexagonal segment. The external thread segment is forwardly locked in the second external hexagonal segment. Two end faces between the first external hexagonal segment and the second external hexagonal segment are provided with a plurality of first wedged teeth, arranged in a radial form, and a plurality of second edged teeth, arranged in a radial form, respectively; an elastic washer is disposed between the two end faces; two opposite sides of the elastic washer are provided with a plurality of first stop faces and a plurality of second stop faces. When the pipe connector and the connecting pipe nut are reversely screwed, the first stop faces are abutted to the first wedged teeth, and the second stop faces are abutted to the second edged teeth. The first and second stop faces of the elastic washer are abutted to the first and second wedged teeth, respectively; accordingly, mistaken demounting is avoided, leakage of coolant in the air conditioner is avoided, and life safety of users is guaranteed. The invention further provides an air conditioner comprising the anti-demounting connecting pipe device.
Description
technical field [0001] The invention belongs to the technical field of connection of air-conditioning pipelines, and in particular relates to an anti-disassembly connection device and an air conditioner using the anti-disassembly connection device. Background technique [0002] At present, pipe joints and auxiliary nuts are used to connect the pipelines of the evaporator and the outdoor unit on the indoor side of the household split air conditioner. The outer surface of the existing auxiliary nut is a prismatic surface with a force-applying cut surface. The pipe joint is generally an integral pipe joint, which is mainly composed of a threaded section and a prism section. When a clockwise torque is applied to the prism section, the thread section and the prism section The prismatic segments rotate together to form a tight fit with the auxiliary nut to form a sealing surface. However, when a counterclockwise torque is applied to the prism section, it also drives the threaded ...
Claims
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IPC IPC(8): F16L19/025F16L19/03F16L13/02
CPCF16L13/00F16L19/005F16L19/0231F16L19/0283F16L19/06F16L2201/20F24F1/32
Inventor 刘智勇刘国虬
Owner GD MIDEA AIR-CONDITIONING EQUIP CO LTD