Valve element of pressure cooker

Abstract

The pressure cooker valve element comprises a metal exhaust pipe and a sealing ring, an exhaust channel is arranged in the metal exhaust pipe, external threads used for being connected with a pressure cooker cover are arranged on the outer side face of the lower end of the metal exhaust pipe, a positioning groove is formed in the outer side face of the upper end of the metal exhaust pipe in a surrounding mode, and the sealing ring is arranged on the positioning groove in a sleeved mode. A counter bore connected with the exhaust channel is formed in the end face of the upper end of the metal exhaust pipe, a positioning groove is formed in the outer side face of the upper end of the metal exhaust pipe in a surrounding mode, the sealing ring is arranged on the positioning groove in a sleeved mode, and the valve element is accurately positioned and installed on a pressure cooker cover through the positioning groove and the sealing ring.

Description

[Technical field]

[0001] The utility model relates to a valve core of a pressure cooker. [Background Technology]

[0002] The pressure cooker is equipped with an exhaust device, which mainly includes an exhaust valve core and a valve seat fixed on the pressure cooker lid. The valve core is provided with an exhaust hole, and the valve seat is provided with a valve needle that can block the exhaust hole. When the gas pressure in the pressure cooker increases, the valve seat is lifted up by overcoming the gravity of the valve seat, and the valve needle leaves the exhaust hole of the valve core to discharge the high-pressure gas in the pressure cooker, which plays the role of exhaust and pressure limiting. The existing valve core has the problem of inaccurate installation and positioning after being installed on the pressure cooker lid, resulting in air leakage. [Contents of the utility model]

[0003] The utility model overcomes the shortcomings of the prior art and provides a valve core for a pressure cooker.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A pressure cooker valve core, characterized in that it includes a metal exhaust pipe and a sealing ring, an exhaust channel is arranged in the metal exhaust pipe, an external thread for connecting to a pressure cooker lid is arranged on the outer side surface of the lower end of the metal exhaust pipe, a surrounding positioning groove is arranged on the outer side surface of the upper end of the metal exhaust pipe, the sealing ring is sleeved on the positioning groove, and a countersunk hole connected to the exhaust channel is arranged on the upper end surface of the metal exhaust pipe.

[0006] The valve core of a pressure cooker as described above is characterized in that the side surface of the countersunk hole is an inclined surface inclined inward from top to bottom.

[0007] The valve core of a pressure cooker as described above is characterized in that a chamfer is provided at the edge of the upper end surface of the metal exhaust pipe.

[0008] The valve core of a pressure cooker as described above is characterized in that the sealing ring is a silicone sealing ring.

[0009] The beneficial effects of the utility model are:

[0010] The utility model is provided with an external thread for connecting with a pressure cooker cover on the outer side surface of the lower end of the metal exhaust pipe, so as to realize quick connection with the pressure cooker cover; a surrounding positioning groove is provided on the outer side surface of the upper end of the metal exhaust pipe, and a sealing ring is sleeved on the positioning groove, so that the valve core is accurately positioned and installed on the pressure cooker cover through the positioning groove and the sealing ring; at the same time, during assembly, the sealing ring is sleeved and installed on the positioning groove first, so that the valve core and the cover are quickly assembled and installed, and the valve core is durable. [Drawings]

[0011] Figure 1 This is one of the schematic diagrams of the structure of the utility model;

[0012] Figure 2 This is the second schematic diagram of the structure of the utility model;

[0013] Figure 3 It is a cross-sectional view of the utility model. [Specific implementation method]

[0014] The technical solutions in the embodiments of the present utility model will be described clearly and completely below in conjunction with the accompanying drawings.

[0015] It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly. In addition, the descriptions of "preferred", "sub-preferred", etc. in the present invention are only used for descriptive purposes, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "preferred" or "sub-preferred" may explicitly or implicitly include at least one of the features.

[0016] like Figure 1-3 As shown, a pressure cooker valve core includes a metal exhaust pipe 1 and a sealing ring 2. The metal exhaust pipe 1 is provided with an exhaust channel 3. The outer side surface of the lower end of the metal exhaust pipe 1 is provided with an external thread 4 for connecting to the pressure cooker lid. The outer side surface of the upper end of the metal exhaust pipe 1 is provided with a surrounding positioning groove 5, and the sealing ring 2 is sleeved on the positioning groove 5. Among them, the sealing ring 2 is a silicone sealing ring. During installation, the sealing ring 2 is first positioned and installed on the positioning groove 5 of the metal exhaust pipe 1, and then the external thread 4 of the metal exhaust pipe 1 is threadedly connected with the pressure cooker lid. At the same time, the valve core is positioned and installed at the preset position of the pressure cooker lid through the sealing ring 2, so that the valve core is quickly positioned and installed, and the sealing ring 2 is provided to further improve the sealing performance of the valve core, making the valve core more durable; after the valve core is installed, the valve seat is set on the metal exhaust pipe 1, so that the valve needle is connected to the upper end of the exhaust channel 3 of the metal exhaust pipe 1.

[0017] like Figure 1-3 As shown, a countersunk hole 6 connected to the exhaust channel 3 is provided on the upper end surface of the metal exhaust pipe 1, and the side of the countersunk hole 6 is an inclined surface 7 inclined inward from top to bottom, which is convenient for installing the valve seat, so that the valve seat valve needle is set at the upper end of the exhaust channel 3 of the metal exhaust pipe 1 through the countersunk hole 6.

[0018] like Figure 1-3 As shown, a chamfer 8 is provided on the edge of the upper end face of the metal exhaust pipe 1 to remove sharp corners and facilitate the installation of the valve seat.

[0019] like Figure 3As shown, the diameter length of the metal exhaust pipe 1 is 9 mm, the distance between the positioning groove 5 and the upper end surface of the metal exhaust pipe 1 is 13.5 mm, the distance between the upper end of the external thread 4 and the upper end surface of the metal exhaust pipe 1 is 43.7 mm, and the maximum diameter length of the external thread 4 is 8 mm.

[0020] The above are only preferred embodiments of the present invention, and are not intended to limit the patent scope of the present invention. All equivalent structural changes made using the contents of the present invention specification and drawings under the utility model concept, or directly or indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A valve core for a pressure cooker, characterized in that: The invention comprises a metal exhaust pipe (1) and a sealing ring (2). An exhaust passage (3) is arranged inside the metal exhaust pipe (1). An external thread (4) for connecting to a pressure cooker lid is arranged on the outer side surface of the lower end of the metal exhaust pipe (1). A surrounding positioning groove (5) is arranged on the outer side surface of the upper end of the metal exhaust pipe (1). The sealing ring (2) is sleeved on the positioning groove (5). A countersunk hole (6) connected to the exhaust passage (3) is arranged on the upper end surface of the metal exhaust pipe (1).

2. The pressure cooker valve core according to claim 1, characterized in that: The side surface of the countersunk hole (6) is an inclined surface (7) which is arranged to be inclined inward from top to bottom.

3. The valve core of a pressure cooker according to claim 1, characterized in that: A chamfer (8) is provided on the edge of the upper end surface of the metal exhaust pipe (1).

4. The valve core of a pressure cooker according to claim 1, characterized in that: The sealing ring (2) is a silicone sealing ring.

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