CN-224206603-U - Pot cover and pressure cooker

CN224206603UCN 224206603 UCN224206603 UCN 224206603UCN-224206603-U

Abstract

The utility model discloses a pot cover and a pressure cooker, which comprise an inner cover, an outer cover and a pressure relief valve, wherein the outer cover is covered on the back side of the inner cover and is fixedly connected with the inner cover, the pressure relief valve is arranged between the inner cover and the outer cover, a first pressure relief valve mounting hole is formed in the inner cover, a second pressure relief valve mounting hole is formed in the outer cover, the first pressure relief valve mounting hole is aligned with the second pressure relief valve mounting hole, and a pressure relief valve body is inserted into the first pressure relief valve mounting hole and the second pressure relief valve mounting hole, so that the inner cover and the outer cover are fixedly connected through the pressure relief valve, and a pressure relief valve hole of the pressure relief valve communicates the inner side of the inner cover with the outer side of the outer cover. The utility model reduces the number of parts of the pot cover, is convenient to assemble and reduces the production cost.

Inventors

Dong Xuelu
LING GUANGPING
ZHU DONGLIANG
Tu Yuke
ZHANG JIACUN
KE JIAN
CHEN GUOXING

Assignees

浙江尚厨家居科技股份有限公司

Dates

Publication Date: 20260508
Application Date: 20250425

Claims (10)

1. The utility model provides a pot cover, includes inner cup (11), enclosing cover (12) and relief valve (13), enclosing cover (12) buckle closure in the back side of inner cup (11) and with inner cup (11) are fixed link to each other, relief valve (13) set up inner cup (11) with between enclosing cover (12), a serial communication port, be formed with first relief valve mounting hole (111) on inner cup (11), be formed with second relief valve mounting hole (1211) on enclosing cover (12), first relief valve mounting hole (111) with second relief valve mounting hole (1211) are aimed at, relief valve (13) insert in first relief valve mounting hole (111) and second relief valve mounting hole (1211), so that inner cup (11) with enclosing cover (12) are through relief valve (13) are fixed link to each other, and so that relief valve hole (133) of relief valve (13) will inner cup (11) inboard with outer cup (12) outside intercommunication.
2. The pot cover according to claim 1, wherein the pressure relief valve (13) comprises a pressure relief valve body (131) and a pressure relief valve core (132), a pressure relief valve hole (133) is formed in the pressure relief valve body (131), the pressure relief valve hole (133) penetrates through the pressure relief valve body (131), the pressure relief valve core (132) is arranged in the pressure relief valve hole (133), the pressure relief valve body (131) comprises a first threaded portion (1311) and a limit supporting portion (1312), the inner wall of one of the first pressure relief valve mounting hole (111) and the second pressure relief valve mounting hole (1211) is provided with a second threaded portion matched with the first threaded portion (1311), the second threaded portion and the first threaded portion (1311) are in threaded connection, and the limit supporting portion (1312) penetrates through the other of the first pressure relief valve mounting hole (111) and the second pressure relief valve mounting hole (1211) and is mutually abutted with the surfaces of the corresponding inner cover (11) and the outer cover (12) so as to limit the mutual abutment of the inner cover (11) and the outer cover (12) along the direction away from the axis (10).
3. The pot cover according to claim 2, wherein a protruding portion (121) protruding toward the inner lid (11) is formed on the outer lid (12), the second relief valve mounting hole (1211) is formed on the protruding portion (121), the second threaded portion is formed on an inner wall of the second relief valve mounting hole (1211), the first threaded portion (1311) is provided on an outer wall of the first end of the relief valve body (131), the limit supporting portion (1312) is provided on the second end of the relief valve body (131), and the limit supporting portion (1312) passes through the first relief valve mounting hole (111) and abuts against a front face of the inner lid (11).
4. The lid of claim 3, wherein the lid (10) further comprises a metal sleeve fixedly disposed within the second relief valve mounting hole (1211), the metal sleeve being disposed within the second relief valve mounting hole (1211), the metal sleeve having a central through hole formed therein, an inner wall of the central through hole having the second threaded portion formed therein.
5. The pot cover according to any one of claims 2-4, wherein the pressure release valve core (132) of the pressure release valve (13) comprises an operation part (1323) and a sealing part (1322), the sealing part (1322) is connected with the operation part (1323), the diameter of the sealing part (1322) is larger than that of the operation part (1323), the sealing part (1322) is arranged in the pressure release valve hole (133), and one end of the operation part (1323) extends out of the pressure release valve body (131).
6. The pot cover according to any one of claims 1-4, further comprising a safety valve (16), wherein the safety valve (16) and the pressure relief valve (13) are arranged on two opposite sides of the pot cover axis, the safety valve comprises a safety valve body (161) and a safety valve core (162), the safety valve body (161) comprises a first valve body (1611) and a second valve body (1612), one end of the first valve body (1611) and one end of the second valve body (1612) are mutually sleeved and connected in a threaded manner, a second connecting hole (123) corresponding to the first valve body (1611) is formed on the outer cover (12), a third connecting hole (112) corresponding to the second valve body (1612) is formed on the inner cover (11), and the other end of the first valve body (1611) penetrates through the second connecting hole (123) and abuts against the back surface of the outer cover (12), and the other end of the second valve body (1612) penetrates through the third connecting hole (112) and abuts against the front surface of the inner cover (11).
7. The pot cover according to any one of claims 1 to 4, wherein an installation space is formed between the outer cover (12) and the inner cover (11), the pot cover (10) further comprises a plurality of clamp assemblies (14) and driving assemblies (15) which are circumferentially distributed around the axis of the pot cover (10), the clamp assemblies (14) comprise clamping members (141) and sliding members (142), the sliding members (142) are located in the installation space and are slidably arranged in the inner cover (11) along the radial direction of the pot cover (10), the outer sides of the sliding members (142) are detachably clamped and connected with the clamping members (141), the inner sides of the sliding members (142) are connected with the output end of the driving assemblies (15), the driving assemblies (15) are used for driving the plurality of clamp assemblies (14) to synchronously move radially inwards and outwards along the pot cover (10), the clamping members (141) can extend out of the installation space to be locked with the outer wall of the pot body (20), and the sliding members are formed with avoidance directions (1421) along the radial directions, so that the pressure relief holes (1421) can be formed through the pressure relief holes (131).
8. The pot cover according to claim 7, wherein one of the inner cover (11) and the outer cover (12) is provided with a guide mechanism located in the installation space, the guide mechanism comprises two baffles (122) arranged at intervals, a sliding channel along the radial direction is formed between the two baffles (122), the sliding piece (142) is slidably arranged in the sliding channel, and two sides of the sliding piece (142) are respectively attached to the baffles (122) on the corresponding side.
9. The lid of claim 8, wherein the driving assembly (15) comprises an operation knob (151) and a driving gear (152), the operation knob (151) is rotatably disposed on the outer lid (12), the top end of the operation knob (151) protrudes from the back surface of the outer lid (12), the driving gear (152) is fixedly connected with the operation knob (151), the driving gear (152) is located between the two clamp assemblies (14), racks (14231) meshed with the driving gear (152) are formed at one inner end of the sliding member (142), and the racks (14231) on the two sliding members (142) are located at two opposite sides of the driving gear (152).
10. Pressure cooker, including pot body (20) and pot cover (10), its characterized in that, pot cover (10) adopts pot cover (10) of any one of claims 1 to 9 under the condition that pot cover (10) is detained in pot body (20), the inner chamber of pot body (20) is passed through relief valve hole (133) and the outside intercommunication of relief valve (13), relief valve core (132) of relief valve (13) produce elastic deformation and open relief valve hole (133) of relief valve (13) when the internal pressure of pot is greater than predetermineeing pressure.

Description

Pot cover and pressure cooker Technical Field The utility model relates to the technical field of pressure cooker, in particular to a cooker cover and a pressure cooker. Background The pressure cooker generally comprises a cooker body and a cooker cover, wherein the cooker cover is buckled on the cooker body when in use and can seal the cooker body, so that the pressure in a cooking cavity of the cooker body is higher than the external air pressure in the cooking process. The pot cover in the related art is generally arranged into a two-layer structure, a locking piece matched with the pot body, a plurality of valve bodies with different pressure standards (used for guaranteeing the use safety of the pressure cooker and generally comprising a safety valve, a pressure release valve and the like) and connecting pieces (generally comprising bolts) fixedly connected with the two-layer structure are arranged between the two-layer structure of the pot cover, so that the number and the types of the whole parts of the pot cover are too many, the structure is complex, and the production cost can be increased. Therefore, it is necessary to design a pressure cooker structure with simple structure and low production cost. Disclosure of utility model The present utility model aims to solve one of the technical problems in the related art to a certain extent. Therefore, the utility model provides the pot cover and the pressure cooker, which have the advantages of convenient installation and simple structure. In order to achieve the above object, a first aspect of the present utility model discloses a lid comprising an inner lid, an outer lid and a relief valve, wherein the outer lid is covered on the back side of the inner lid and is fixedly connected with the inner lid, the relief valve is disposed between the inner lid and the outer lid, a first relief valve mounting hole is formed in the inner lid, a second relief valve mounting hole is formed in the outer lid, the first relief valve mounting hole is aligned with the second relief valve mounting hole, and the relief valve body is inserted into the first relief valve mounting hole and the second relief valve mounting hole, so that the inner lid and the outer lid are fixedly connected through the relief valve, and the relief valve hole of the relief valve communicates the inner side of the inner lid with the outer side of the outer lid. In the technical scheme, the valve body of the pressure relief valve in the valve assembly which is indispensable on the pot cover of the pressure cooker is arranged as a component (pressure relief valve body) with a connecting function, so that the pressure relief valve body is used as a part of the valve for installing the valve core, and the fixed connection of the inner cover and the outer cover can be realized, the need of adopting an extra connecting fastener to connect is avoided, the number of parts of the pot cover is reduced, the production cost is reduced, and the pressure relief valve in the application forms a sealing structure through the cooperation of the valve core capable of generating elastic deformation and the flange. Further, the relief valve includes relief valve body and relief valve core, be formed with the relief valve hole on the relief valve body, the relief valve hole runs through the relief valve body, the relief valve core sets up in the relief valve hole, the relief valve body includes first screw thread portion and spacing supporting part, first relief valve mounting hole with the inner wall of one of second relief valve mounting hole be formed with first screw thread portion matched with second screw thread portion, second screw thread portion with first screw thread portion threaded connection, spacing supporting part passes first relief valve mounting hole with another one of second relief valve mounting hole and with the mutual butt in surface of corresponding inner cup and enclosing cover, in order to restrict the deviating from of inner cup and enclosing cover along pot cover axis direction. Further, be formed with the orientation on the enclosing cover the convex bellying of inner cup, be formed with on the bellying the second relief valve mounting hole, form on the inner wall of second relief valve mounting hole the second screw thread portion, the outer wall of the first end of relief valve body sets up first screw thread portion, the second end of relief valve body sets up spacing supporting part, the relief valve body runs through first relief valve mounting hole and makes spacing supporting part with the front of inner cup offsets. Further, the pot cover further comprises a metal sleeve fixedly arranged in the second pressure relief valve mounting hole, the metal sleeve is arranged in the second pressure relief valve mounting hole, a central through hole is formed in the metal sleeve, and the inner wall of the central through hole is provided with the second thread part. The connection strengt