CN216020472U

CN216020472U - Pressure detection device for cooking utensil

Info

Publication number: CN216020472U
Application number: CN202121762829.7U
Authority: CN
Inventors: 张海斌
Original assignee: Hangzhou Ouyao Electronic Technology Co ltd
Current assignee: Hangzhou Ouyao Electronic Technology Co ltd
Priority date: 2021-07-30
Filing date: 2021-07-30
Publication date: 2022-03-15
Anticipated expiration: 2031-07-30

Abstract

The utility model discloses a pressure detection device for a cooking utensil, which comprises a connecting pipe arranged on a pressure cooker cover, wherein a fixed sleeve capable of moving up and down is arranged on the inner side of the connecting pipe, a piston is arranged at the lower end of the fixed sleeve, a spring is sleeved at the position, located at the upper side of the piston, of the outer side of the fixed sleeve, a pressure relief pipe is arranged on the left side face of the connecting pipe and located above the piston, a gland for guiding the fixed sleeve is arranged at the upper port of the connecting pipe, when the pressure in the pressure cooker is detected, the pressure detection mechanism is used for detecting the pressure in real time, meanwhile, when the pressure is too high, the pressure in the pressure cooker pushes the piston to move upwards, and when the height of the piston exceeds the pressure relief pipe, the pressure relief protection is realized, the pressure detection and pressure relief protection integrated pressure detection and pressure relief protection device has the function of overvoltage protection while realizing pressure detection, and realizes integrated pressure detection and pressure relief protection, thereby greatly reducing occupied space.

Description

Pressure detection device for cooking utensil

Technical Field

The utility model relates to the technical field of pressure detection of cooking appliances, in particular to a pressure detection device for a cooking appliance.

Background

When the pressure cooker cooks, the physical phenomenon that the boiling point of liquid can be improved under higher air pressure is utilized to apply pressure to water, so that the water can reach higher temperature without boiling, the efficiency of stewing food is accelerated, and certain danger exists when the pressure inside the pressure cooker is too high, so that the pressure of the pressure cooker needs to be subjected to real-time pressure detection and overpressure protection.

The applicant of the present invention finds that the pressure detecting device does not have the function of pressure relief protection, and the pressure detection and the pressure relief protection for the pressure cooker are often separated, so that the occupied space is large.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a pressure detection device for a cooking appliance, aiming at solving the problem that the pressure detection device does not have the function of pressure relief protection, but the pressure detection and the pressure relief protection of a pressure cooker are separated, so that the occupied space is large.

The utility model is realized by the following steps:

the utility model provides a pressure measurement for cooking utensil, including installing the connecting pipe on the pressure cooker pot cover, the inboard of connecting pipe is provided with the fixed cover that can go on the activity from top to bottom, and the lower extreme of fixed cover is provided with the piston, the upside position cover that the outside of fixed cover is located the piston is equipped with the spring, the left surface of connecting pipe is located the top of piston and is provided with the pressure release pipe, and the last port department of connecting pipe is provided with the gland that leads fixed cover, the upper end of fixed cover is provided with carries out the pressure measurement mechanism that detects to the gas that enters into in the connecting pipe.

Furthermore, the lower end of the connecting pipe is provided with a fixed screw head screwed on the pressure cooker cover, and a sealing ring is sleeved on the fixed screw head.

Furthermore, the pressure detection mechanism is installed on the inner side of the installation sleeve, the lower end of the installation sleeve is screwed in a stepped groove on the inner side of the upper port of the fixed sleeve through threads, and an elastic diaphragm is arranged between the bottom of the stepped groove on the inner side of the upper port of the fixed sleeve and the installation sleeve.

Further, the pressure detection mechanism comprises a connecting rod, a clamping block is fixedly arranged at the inner side position of the upper end opening of the mounting sleeve, a jacking screw for jacking the clamping block is screwed on the side surface of the mounting sleeve, and a pressure sensor tightly attached to the elastic diaphragm is fixedly arranged at the lower end of the connecting rod.

Furthermore, the center of the gland is provided with a guide hole for guiding the fixed sleeve, a fixed block is fixedly arranged on the side face of the gland, and a fixed screw is screwed on the fixed block.

Compared with the prior art, the utility model has the beneficial effects that:

when the pressure inside the pressure cooker is detected, the pressure detection mechanism is used for detecting the pressure in real time, and meanwhile, when the pressure is too high, the pressure inside the pressure cooker pushes the piston to move upwards, so that pressure relief protection is realized when the height of the piston exceeds the pressure relief pipe, the pressure detection and the pressure relief protection have the function of overpressure protection, integrated pressure detection and pressure relief protection are realized, and the occupied space is greatly reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a perspective view of a pressure detecting apparatus for a cooking appliance according to the present invention;

fig. 2 is a schematic view illustrating a structure of a fixing sleeve of a pressure detecting device for a cooking appliance according to the present invention;

fig. 3 is a schematic sectional view of a pressure detecting apparatus for a cooking appliance according to the present invention;

fig. 4 is a schematic view of a pressing cover of a pressure detecting apparatus for a cooking appliance according to the present invention.

In the figure: 1. a connecting pipe; 11. a pressure relief pipe; 12. a seal ring; 13. fixing the screw head; 2. jacking the screw tightly; 3. a pressure detection mechanism; 31. a connecting rod; 32. a clamping block; 33. a pressure sensor; 34. an elastic diaphragm; 4. installing a sleeve; 5. fixing a sleeve; 51. a spring; 52. a piston; 6. a gland; 61. a guide hole; 62. a fixed block; 63. and fixing the screw.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.

Embodiment 1, please refer to fig. 1 and 2 specifically, a pressure detecting device for a cooking utensil comprises a connecting pipe 1 installed on a lid of a pressure cooker, a fixing screw 13 screwed on the lid of the pressure cooker is arranged at the lower end of the connecting pipe 1, a sealing ring 12 is sleeved on the fixing screw 13, the connecting pipe 1 is screwed on the lid of the pressure cooker through the fixing screw 13 and sealed by the sealing ring 12, a fixing sleeve 5 capable of moving up and down is arranged inside the connecting pipe 1, a piston 52 is arranged at the lower end of the fixing sleeve 5, a spring 51 is sleeved at the upper side of the piston 52 outside the fixing sleeve 5, a pressure relief pipe 11 is arranged above the piston 52 on the left side of the connecting pipe 1, a gland 6 guiding the fixing sleeve 5 is arranged at the upper port of the connecting pipe 1, a pressure detecting mechanism 3 for detecting gas entering into the connecting pipe 1 is arranged at the upper end of the fixing sleeve 5, when detecting the inside pressure of pressure cooker, carry out real-time detection through pressure measurement mechanism 3, when pressure was too high simultaneously, the inside pressure of pressure cooker pushed up piston 52 rebound, realized the pressure release protection when highly surpassing pressure release pipe 11 of piston 52, had overvoltage protection's function when realizing pressure measurement, realized integrated pressure measurement and pressure release protection, the space that great reduction took.

Specifically referring to fig. 3, the pressure detecting mechanism 3 is installed inside the installation sleeve 4, the pressure detecting mechanism 3 includes a connecting rod 31, a fastening block 32 is fixedly disposed at an inner side portion of an upper port of the installation sleeve 4 of the connecting rod 31, a tightening screw 2 for tightening the fastening block 32 is screwed on a side surface of the installation sleeve 4, a pressure sensor 33 tightly attached to the elastic diaphragm 34 is fixedly disposed at a lower end of the connecting rod 31, the elastic diaphragm 34 is extruded and deformed by the gas entering the fixing sleeve 5, the deformed elastic diaphragm 34 tightly pushes against the pressure sensor 33 to realize the transmission of the pressure, meanwhile, the pressure sensor 33 is separated from the gas inside for protection, the lower end of the mounting sleeve 4 is screwed in the stepped groove at the inner side of the upper port of the fixing sleeve 5 through threads, an elastic diaphragm 34 is arranged between the bottom of the stepped groove at the inner side of the upper port of the fixing sleeve 5 and the mounting sleeve 4, the edge of the elastic membrane 34 is pressed by the mounting sleeve 4 to fix the elastic membrane 34.

Specifically, referring to fig. 4, a guide hole 61 for guiding the fixing sleeve 5 is disposed in the center of the gland 6, a fixing block 62 is fixedly disposed on a side surface of the gland 6, a fixing screw 63 is screwed on the fixing block 62, and the gland 6 is mounted and fixed by the fixing screw 63.

The working principle is that when steam pressure is generated in the pressure cooker, the air pressure pushes the elastic diaphragm 34 to deform, the deformed elastic diaphragm 34 is tightly extruded on the pressure sensor 33, the pressure sensor 33 detects the pressure, when the pressure is too high, the air pressure pushes the piston 52 to move upwards, and when the height of the piston 52 exceeds the pressure relief pipe 11, pressure relief protection is realized.

The device obtained by the design can basically meet the requirement of finding that the pressure detection device has the function of pressure relief protection, and the integrated structure occupies small space for use, but the designer further improves the device with the aim of further improving the function.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A pressure detection device for a cooking appliance, comprising a connection pipe (1) mounted on a lid of a pressure cooker, characterized in that: the inboard of connecting pipe (1) is provided with fixed cover (5) that can go on the activity from top to bottom, and the lower extreme of fixed cover (5) is provided with piston (52), the upside position cover that the outside of fixed cover (5) is located piston (52) is equipped with spring (51), the top that the left surface of connecting pipe (1) is located piston (52) is provided with pressure release pipe (11), and the last port department of connecting pipe (1) is provided with gland (6) that lead fixed cover (5), the upper end of fixed cover (5) is provided with carries out pressure detection mechanism (3) that detect to the gas that enters into in connecting pipe (1).

2. The pressure detecting device for the cooking utensil of claim 1, characterized in that the lower end of the connecting pipe (1) is provided with a fixed screw head (13) screwed on the lid of the pressure cooker, and a sealing ring (12) is sleeved on the fixed screw head (13).

3. The pressure detecting device for the cooking utensil as claimed in claim 1, characterized in that the pressure detecting mechanism (3) is installed inside the mounting sleeve (4), and the lower end of the mounting sleeve (4) is screwed into the stepped groove inside the upper port of the fixing sleeve (5) by screw threads, and an elastic diaphragm (34) is arranged between the bottom of the stepped groove inside the upper port of the fixing sleeve (5) and the mounting sleeve (4).

4. The pressure detection device for the cooking utensil according to claim 3, wherein the pressure detection mechanism (3) comprises a connecting rod (31), a clamping block (32) is fixedly arranged at the inner side part of the upper port of the mounting sleeve (4) of the connecting rod (31), a tightening screw (2) for tightening the clamping block (32) is screwed on the side surface of the mounting sleeve (4), and a pressure sensor (33) tightly attached to the elastic membrane (34) is fixedly arranged at the lower end of the connecting rod (31).

5. The pressure detection device for the cooking utensil as claimed in claim 1, characterized in that the center of the gland (6) is provided with a guide hole (61) for guiding the fixing sleeve (5), and the side of the gland (6) is fixedly provided with a fixing block (62), and a fixing screw (63) is screwed on the fixing block (62).