Four-way valve with protective sleeve

Abstract

A four-way valve provided with a protective sleeve comprises an iron core and a coil assembly, and the coil assembly comprises an I-shaped coil frame, a coil and a metal frame. The coil frame is arranged in the metal frame; the iron core is inserted into the coil assembly, the transformer further comprises a rubber protective sleeve with a lower opening, and the coil assembly is embedded into the rubber protective sleeve. And the arrangement of the rubber protective sleeve prevents water from falling on the coil assembly, the metal frame and the coil to be corroded, so that the good conductive performance is kept, and the service life is prolonged.

Description

Technical Field

[0001] The utility model relates to a top-outlet heat pump host, in particular to a four-way valve of a top-outlet heat pump host. Background Art

[0002] The current existing technology, Chinese patent 202320485069.2, a top-out integrated air source heat pump unit, includes a chassis body, a sleeve-type condenser is arranged at the bottom of the chassis body, a balance tank and an economizer are arranged on the chassis body next to the right end of the sleeve-type condenser, a gas-liquid separator is arranged in the sleeve-type condenser, a compressor is arranged next to the front end of the sleeve-type condenser, the compressor is connected to the sleeve-type condenser, the gas-liquid separator and the U-shaped condenser through a four-way valve connecting pipeline, the U-shaped condenser is arranged in the top of the chassis body, and an electric control box is arranged at the end of the compressor away from the sleeve-type condenser. The existing problem is: due to the top-out machine structure, the four-way valve is directly corroded by rainwater, and it is easy to corrode and rust the surface to form a thin film. The magnetic conduction is affected, causing the four-way valve body to be insensitive to reversing. Utility Model Content

[0003] The utility model aims to provide a four-way valve with a protective sleeve, which has the characteristics of preventing water corrosion of the coil device of the four-way valve and protecting the coil component.

[0004] The utility model is implemented as follows: a four-way valve with a protective sleeve includes an iron core and a coil assembly, the coil assembly includes an I-shaped coil frame, a coil and a metal frame; the coil frame is arranged in the metal frame; the iron core is inserted into the coil assembly, and the utility model is special in that it also includes a rubber protective sleeve with a lower opening, and the coil assembly is embedded in the rubber protective sleeve.

[0005] The four-way valve provided with a protective sleeve is special in that: the iron core comprises a base and a core body, and the diameter of the base is larger than the diameter of the core body;

[0006] The wall plate of the metal frame is provided with a plug-in hole, and the other wall plate is provided with a frame connection hole;

[0007] An interference hole is provided on one wall plate of the rubber protective sleeve, and a connecting hole is provided on the other wall plate;

[0008] Also includes screws,

[0009] The core body is inserted into the coil frame through the interference hole and the plug hole, the screw is screwed with the core body through the connection hole and the frame connection hole, and the screw head is fitted with the rubber protective sleeve.

[0010] The four-way valve provided with a protective sleeve is special in that the base is fitted with the rubber protective sleeve.

[0011] The four-way valve provided with a protective sleeve is special in that the rubber protective sleeve is made of nitrile rubber.

[0012] The utility model discloses a four-way valve with a protective sleeve. The rubber protective sleeve is provided to prevent water from falling on the coil component and the metal frame and the coil from being corroded, so that the metal frame and the coil maintain good electrical conductivity and extend the service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a stereogram of the utility model.

[0014] Figure 2 It is one of the three-dimensional exploded views of the utility model.

[0015] Figure 3 This is the second three-dimensional exploded view of the present utility model. DETAILED DESCRIPTION

[0016] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0017] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0018] like Figure 1 , Figure 2 , Figure 3 As shown, a four-way valve with a protective sleeve includes an iron core 1 and a coil assembly 2. The coil assembly 2 includes an I-shaped coil frame, a coil and a metal frame 21. The coil frame is arranged in the metal frame 21, and the iron core 1 is inserted into the coil assembly 2. The coil frame includes a winding tube and an annular baffles at both ends, which is a well-known technology.

[0019] It also includes a rubber protective sleeve 3 with a lower opening, and the coil assembly 2 is embedded in the rubber protective sleeve 3. The lower opening of the rubber protective sleeve 3 is used for heat dissipation of the coil assembly 2.

[0020] The iron core 1 comprises a base 11 and a core body 12, the diameter of the base 11 is larger than the diameter of the core body 12, and the base 11 is used for fixing;

[0021] The wall plate of the metal frame 21 is provided with a plug hole (not shown in the figure), and the other wall plate is provided with a frame connection hole 211;

[0022] An interference hole 31 is provided on one wall plate of the rubber protective sleeve 3, and a connecting hole 32 is provided on the other wall plate; the interference hole and the core body are interference-fitted, thereby improving the sealing performance;

[0023] Also includes screws 4,

[0024] The core body 12 is inserted into the coil frame through the interference hole 31 and the plug hole, and the screw 4 is screwed into the core body 12 through the connection hole 32 and the frame connection hole 211, and the screw head is in contact with the rubber protective sleeve 3.

[0025] The base is fitted with the rubber protective sleeve, and the end of the base and the screw head prevent the coil assembly and the rubber protective sleeve from moving.

[0026] The rubber protective sleeve 3 is made of nitrile rubber and has the characteristics of being resistant to low temperatures of -40°C, high temperatures of 160°C, and high toughness.

[0027] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A four-way valve with a protective sleeve, comprising an iron core and a coil assembly, wherein the coil assembly comprises an I-shaped coil frame, a coil and a metal frame; the coil frame is arranged in the metal frame; the iron core is inserted into the coil assembly, Features: It also comprises a rubber protective sleeve with a lower opening, and the coil assembly is embedded in the rubber protective sleeve.

2. A four-way valve with a protective sleeve according to claim 1, Features: The iron core comprises a base portion and a core body portion, wherein the diameter of the base portion is greater than the diameter of the core body portion; The wall plate of the metal frame is provided with a plug-in hole, and the other wall plate is provided with a frame connection hole; An interference hole is provided on one wall plate of the rubber protective sleeve, and a connecting hole is provided on the other wall plate; Also includes screws, The core body is inserted into the coil frame through the interference hole and the plug hole, the screw is screwed with the core body through the connection hole and the frame connection hole, and the screw head is fitted with the rubber protective sleeve.

3. A four-way valve provided with a protective sleeve according to claim 2, Features: The base is fitted with the rubber protective sleeve.

4. A four-way valve provided with a protective sleeve according to claim 1, 2 or 3, Features: The rubber protective sleeve is made of nitrile rubber.

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