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CN-224206651-U - Pot mouth sealing structure

CN224206651UCN 224206651 UCN224206651 UCN 224206651UCN-224206651-U

Abstract

The utility model discloses a pot mouth sealing structure which is arranged on a pot cover and is used for sealing a pot mouth of a pot body, and comprises a bearing plate, a cover plate, a pot mouth sealing ring and a pot mouth sealing ring, wherein the bearing plate is connected to the pot cover, the cover plate is detachably connected to the bearing plate, the pot mouth sealing ring is sleeved on the cover plate, a straight arm part extending along the axial direction is formed on the peripheral wall of the cover plate, the pot mouth sealing ring is fixed on the peripheral wall of the straight arm part, and a deformation space for the deformation of the pot mouth sealing ring is formed after the thickness of the pot mouth sealing ring is subtracted from the distance between the straight arm part and the pot mouth. The deformation space formed between the straight arm part of the cover plate and the pot mouth allows the pot mouth sealing ring to controllably deform under the action of pressure, improves the sealing effect, simultaneously prevents the damage of the pot mouth sealing ring caused by excessive deformation, supports and positions the sealing ring through the straight arm part of the cover plate, realizes the secondary sealing protection of the pot mouth sealing ring, and reduces the leakage risk caused by aging deformation of the pot mouth sealing ring.

Inventors

  • LI JINZHOU
  • LI XIAOMIN
  • DAI FANGSHENG

Assignees

  • 宁波博菱电器股份有限公司

Dates

Publication Date
20260508
Application Date
20250428

Claims (10)

  1. 1. A pot mouth sealing structure is arranged on a pot cover (10) and is used for sealing a pot mouth of a pot body (20), and is characterized by comprising A pressure-bearing plate (100) connected to the lid (10); a cover plate (200) detachably connected to the pressure receiving plate (100); A pot opening sealing ring (300) sleeved on the cover plate (200); The outer peripheral wall of the cover plate (200) is provided with a straight arm portion (201) extending along the axial direction, the pot mouth sealing ring (300) is fixed on the outer peripheral wall of the straight arm portion (201), and a deformation space (400) for deforming the pot mouth sealing ring (300) is formed after the thickness of the pot mouth sealing ring (300) is subtracted from the distance between the straight arm portion (201) and the pot mouth.
  2. 2. The pan opening sealing structure according to claim 1, wherein the deformation space (400) ranges from 0 to 2mm.
  3. 3. The port sealing structure as claimed in claim 1, wherein the outer wall of the cover plate (200) extends in an axial direction toward a direction approaching the lid (10) to form the straight arm portion (201), and the port sealing ring (300) includes a sealing portion (301) provided near the outer wall of the straight arm portion (201), and the deformation space (400) is formed by subtracting a thickness of the sealing portion (301) from a distance between the straight arm portion (201) and the port.
  4. 4. The port seal structure according to claim 1, wherein a fixing portion (2011) for fixing the port seal (300) is formed on an outer peripheral wall of the straight arm portion (201) so as to extend outward in a radial direction, and the port seal (300) includes an engaging portion (302) engaged with the fixing portion (2011).
  5. 5. The port sealing structure as claimed in claim 1, wherein the pressure bearing plate (100) is provided with a recess (101) for fixing the port sealing ring (300), and the port sealing ring (300) comprises a protrusion (303) capable of fitting in the recess (101).
  6. 6. The structure for sealing a pot mouth according to claim 5, wherein a plurality of wedge-shaped portions (3031) are provided at an end of the convex portion (303) contacting the bottom wall of the concave portion (101), and the wedge-shaped portions (3031) are formed by extending an end of the convex portion (303) near the bottom wall of the concave portion (101) in a direction toward the bottom wall.
  7. 7. The pot mouth sealing structure according to claim 5, wherein one end of the convex part (303) close to the side wall of the concave part (101) is provided with an annular convex rib (3032) in a radial extending manner.
  8. 8. The port seal structure as claimed in claim 5, characterized in that the portion of the pressure receiving plate (100) near the outer edge of one end of the cover plate (200) is formed with the recess (101) recessed inward, and the port seal ring (300) includes an abutment portion (304) capable of abutting on the opening edge of the recess (101).
  9. 9. The port seal as recited in claim 8, wherein the abutting portion (304) is formed by extending an outer wall of the port seal ring (300) radially outward.
  10. 10. The pan opening sealing structure according to claim 1, wherein the cover plate (200) is detachably fixed to the pressure bearing plate (100) by a screw, a turnbuckle or a snap structure.

Description

Pot mouth sealing structure Technical Field The utility model relates to the technical field of pot sealing, in particular to a pot opening sealing structure. Background The existing cooker sealing structure is usually directly pressed on the cooker opening by adopting a single sealing ring, but the sealing ring is easy to lose elasticity due to excessive compression under high pressure or high temperature environment, so that the sealing is invalid. Therefore, there is a need for a sealing structure for a pot mouth that can ensure a sealing effect. Disclosure of utility model First, the technical problem to be solved The technical problem to be solved by the utility model is to provide a sealing structure of the pot mouth, wherein a deformation space is formed between the straight arm part of the cover plate and the pot mouth, so that the pot mouth sealing ring is allowed to controllably deform under the action of pressure, the sealing effect is improved, meanwhile, the damage of the pot mouth sealing ring caused by excessive deformation is prevented, the sealing ring is supported and positioned through the straight arm part of the cover plate, the secondary sealing protection of the pot mouth sealing ring is realized, and the leakage risk caused by aging deformation of the pot mouth sealing ring is reduced. (II) technical scheme The utility model solves the technical problems that the proposal adopted by the utility model is a pot mouth sealing structure which is arranged on a pot cover and is used for sealing the pot mouth of a pot body, and comprises The pressure bearing plate is connected to the pot cover; The cover plate is detachably connected to the bearing plate; the pot opening sealing ring is sleeved on the cover plate; The outer peripheral wall of the cover plate is provided with a straight arm part extending along the axial direction, the pot opening sealing ring is fixed on the outer peripheral wall of the straight arm part, and a deformation space for the pot opening sealing ring to deform is formed after the thickness of the pot opening sealing ring is subtracted from the distance between the straight arm part and the pot opening. The pan opening sealing structure can realize secondary sealing between the pan opening sealing structure and the pan opening of the pan body, primary sealing is that the pan opening sealing ring is in direct contact with the pan opening to form sealing, secondary sealing is that the straight arm part of the cover plate limits the pan opening sealing ring to control the deformation range, so that the controllable inward shrinkage deformation of the pan opening sealing ring is ensured, and the situation that cooking leakage cannot occur between the pan opening sealing ring and the pan opening due to the existing shrinkage characteristic of silica gel after long-time use is avoided. By adopting the scheme, the cover plate is detachably connected to the bearing plate, so that a user can conveniently detach and replace the pot mouth sealing ring, the service life of the whole product is prolonged, the subsequent use cost is reduced, the user can thoroughly clean the pot mouth sealing ring and related parts, the sanitation problem and poor sealing caused by food residue accumulation are avoided, the pot mouth sealing ring is sleeved on the cover plate to form a fixed structure, the problem that the traditional sealing ring is easy to loosen and displace is avoided, the deformation space formed between the straight arm part of the cover plate and the pot mouth allows the pot mouth sealing ring to controllably deform under the action of pressure, the sealing effect is improved, meanwhile, the damage of the pot mouth sealing ring caused by excessive deformation is prevented, the sealing ring is supported and positioned by the straight arm part of the cover plate, the secondary sealing protection of the pot mouth sealing ring is realized, and the leakage risk caused by aging deformation of the pot mouth sealing ring is reduced. In some embodiments, the deformation space ranges from 0-2mm. By adopting the scheme, the proper deformation space enables the sealing ring to be uniformly stressed, local stress concentration is avoided, the service life of the sealing ring is prolonged, the deformation space range of 0-2mm is the optimal range of accurate calculation and testing, in the range, the sealing ring at the pot mouth can generate enough deformation to realize tight sealing and cannot be aged or damaged due to excessive deformation, the range is suitable for material expansion caused by temperature change in the cooking process and contraction caused by heat, good sealing effect can be maintained under different temperature conditions, and the reasonable deformation space design enables the resistance of the pot cover to be moderate when the pot cover is opened, so that the sealing effect can be ensured, and the operation is not difficult. In some embodiments, the outer wa