Nylon nut and O-shaped ring structure sealing assembly and air conditioner stop valve

Abstract

The utility model relates to the field of air conditioner stop valves, in particular to a nylon nut and O-shaped ring structure sealing assembly and an air conditioner stop valve. A nylon nut and O-shaped ring structure sealing assembly is used for an air conditioner stop valve and comprises a nylon nut, a blind hole is formed in the nylon nut, an O-shaped ring is arranged at the bottom of the blind hole, and internal threads are arranged in the middle of the blind hole. The nylon nut and O-shaped ring structure sealing assembly has the advantage of being low in cost.

Description

TECHNICAL FIELD

[0001] The utility model relates to air conditioner stop valve field especially nylon nut adds O type ring structure sealing assembly. BACKGROUND

[0002] CN210318101U discloses a kind of setting anti-unintentional disassembly anti-loosening device's air conditioner's stop valve, including valve body, valve body has upper head portion located at top, horizontal head portion, refrigerant service port, base located at valve bottom, and with the connecting pipe nut of horizontal head portion and with the connecting pipe of indoor unit connection;Valve bottom has pipe connection hole, pipe connection hole is connected with outdoor unit by conduit.

[0003] The prior art has the problem that the nut is a copper hard sealing structure, which has a high material cost. INVENTION CONTENTS

[0004] To solve the above technical problems, the utility model aims to provide a nylon nut plus O-ring structure sealing assembly for air conditioner stop valve, which can meet the sealing requirements and has low cost.

[0005] The utility model discloses the technical scheme adopted to solve the problem is: a kind of nylon nut plus O-ring structure sealing assembly, for air conditioner stop valve, it include: nylon nut, the blind hole is equipped in the nylon nut, the bottom of the blind hole is equipped with O type ring, the inner thread is equipped in the blind hole middle part.

[0006] As a further improvement of the above technical solution, the top of the blind hole is provided with a stepped hole.

[0007] As a further improvement of the above technical solution, the bottom of the outer wall of the nylon nut is hexagonal, and the upper part of the outer wall of the nylon nut is provided with anti-skid lines.

[0008] An air conditioner stop valve includes a nylon nut plus O-ring structure sealing assembly, and further includes a valve body, the valve body includes a first interface, a second interface, a third interface and a refrigerant interface, the refrigerant interface is provided with an external thread, and the nylon nut is threadedly connected with the refrigerant interface.

[0009] As a further improvement of the above technical solution, the outer wall of the refrigerant interface is provided with an inclined surface, and the inclined surface abuts against the O-ring seal.

[0010] As a further improvement of the above technical solution, the length of the external thread is less than the length of the internal thread.

[0011] The utility model has the advantages that the structure of nylon nut combined with O-ring is used to replace copper nut, which can achieve sealing effect while reducing cost. Nylon has excellent weather resistance, which can meet the weather resistance requirements of air conditioner stop valve. Attached Figure Description

[0012] The present invention will be further explained below with reference to the accompanying drawings and specific embodiments.

[0013] Figure 1 This is a schematic diagram of the preferred nylon nut plus O-ring sealing assembly of this utility model;

[0014] Figure 2 for Figure 1 A sectional view;

[0015] Figure 3 A perspective view of the preferred air conditioning shut-off valve of this utility model;

[0016] Figure 4 This is a front view of the preferred air conditioning shut-off valve of this utility model;

[0017] Figure 5 for Figure 4 A sectional view.

[0018] In the diagram: 1-Nylon nut, 11-Internal thread, 12-Stepped hole, 2-O-ring, 3-Valve body, 31-First interface, 32-Second interface, 33-Third interface, 34-Refrigerant interface, 35-External thread, 36-Angled surface. Detailed Implementation

[0019] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0020] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0021] In the description of this utility model, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. If "first" or "second" is used in the description, it is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the order of the indicated technical features.

[0022] In the description of the utility model, unless otherwise explicitly limited, the words such as setting, installing, connecting should be understood broadly, and the person skilled in the art can determine the specific meaning of the above words in the utility model according to the specific content of the technical scheme.

[0023] Referring to Figures 1 to 2 A nylon nut plus O-ring structure sealing assembly is used for an air conditioner stop valve, comprising: a nylon nut 1, a blind hole is arranged in the nylon nut 1, an O-ring 2 is arranged at the bottom of the blind hole, and an internal thread 11 is arranged in the middle of the blind hole.

[0024] In the preferred embodiment, the top of the blind hole is provided with a stepped hole 12. The stepped hole 12 is used for avoiding the internal thread of the external device connected with the nylon nut.

[0025] In the preferred embodiment, the bottom of the outer wall of the nylon nut 1 is hexagonal, and the upper part of the outer wall of the nylon nut 1 is provided with anti-skid lines. The tool with a hexagonal hole can be screwed, and the part with anti-skid lines can also be directly screwed by hand.

[0026] Referring to Figures 3 to 5 The air conditioner stop valve comprises the nylon nut plus O-ring structure sealing assembly, and further comprises a valve body 3, the valve body 3 comprises a first interface 31, a second interface 32, a third interface 33 and a refrigerant interface 34, an external thread 35 is arranged at the refrigerant interface 34, and the nylon nut 1 is in threaded connection with the refrigerant interface 34.

[0027] In the preferred embodiment, the outer wall of the refrigerant interface 34 is provided with an inclined surface 36, and the inclined surface 36 abuts against the O-ring. The O-ring is pressed by the inclined surface, and the sealing effect is good.

[0028] In the preferred embodiment, the length of the external thread 35 is less than the length of the internal thread 11. The interference between the external thread and the unthreaded part of the refrigerant interface 34 is avoided.

[0029] The above is only the preferred embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structural transformation made according to the contents of the utility model specification and drawings, or direct or indirect application in other related technical fields is included in the patent protection range of the utility model.

Claims

1. A sealing assembly with a nylon nut and O-ring structure, characterized in that, A stop valve for an air conditioner, comprising: a nylon nut (1) having a blind hole, an O-ring (2) at the bottom of the blind hole, and an internal thread (11) in the middle of the blind hole; a stepped hole (12) at the top of the blind hole; a hexagonal bottom of the nylon nut (1), and anti-skid lines on the upper part of the outer wall of the nylon nut (1).

2. The stop valve for an air conditioner, comprising the nylon nut and O-ring structure sealing assembly of claim 1, further comprising a valve body (3) having a first interface (31), a second interface (32), a third interface (33), and a refrigerant interface (34) having an external thread (35) for threadedly connecting with the nylon nut (1).

3. The stop valve for an air conditioner of claim 2, wherein: the outer wall of the refrigerant interface (34) has an inclined surface (36) for abutting against the O-ring.

4. The stop valve for an air conditioner of claim 2, wherein: the length of the external thread (35) is shorter than the length of the internal thread (11). ​

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