CN206612568U - Sealing ring, cover plate assembly, cover assembly and electrical equipment on a kind of cover plate assembly - Google Patents

Abstract

The utility model is related to sealing ring, cover plate assembly, cover assembly and electrical equipment on a kind of cover plate assembly, the sealing ring includes the installation portion and sealing of integrally connected, the installation portion is sealingly mounted on the one side of the cover plate assembly, and the sealing extends from the one side of the cover plate assembly along the direction away from the cover plate assembly；When the cover plate assembly is fastened on cooking ware, the sealing is connected on the open edge of cooking ware and the sealing position is provided with for reducing the elastic construction of the sealing crimp stress in the one side outside cooking ware.The utility model by sealing by being set to V-structure, and the inner side of the bending part in V-structure sets reinforcement, elastic construction is set on reinforcement, while enhancing sealing ring is rigid, the stress of sealing ring crimp is also reduced, sealing ring is easily restored to the original state after being extruded.

Description

Sealing ring, cover plate assembly, cover assembly and electrical equipment on a kind of cover plate assembly

Technical field

The utility model is related to small household appliances technical field, and in particular to sealing ring, cover plate assembly on a kind of cover plate assembly, Cover assembly and electrical equipment.

Background technology

In the products such as current electric pressure cooking saucepan, electric cooker, due to sealing ring structure design the problem of, cause the process of cooking In or condensation process in the condensed water that produces easily condensed in sealing ring, condensed water is slid in rice cooker jacket after user uncaps It is interior, the experience effect of customer is influenceed, it is more serious, understand the complaint due to causing user the problem of water is produced.

Utility model content

Technical problem to be solved in the utility model is that there is provided on a kind of cover plate assembly in view of the shortcomings of the prior art Sealing ring, cover plate assembly, cover assembly and electrical equipment.

The technical scheme that the utility model solves above-mentioned technical problem is as follows：A kind of sealing ring on cover plate assembly, including The installation portion and sealing of integrally connected, the installation portion are sealingly mounted on the one side of the cover plate assembly, the sealing Extend from the one side of the cover plate assembly along the direction away from the cover plate assembly in portion；Cooked when the cover plate assembly is fastened on When preparing food on vessel, the sealing is connected on the open edge of cooking ware and the sealing position is in one outside cooking ware Side, which is provided with, to be used to reduce the elastic construction of the sealing crimp stress.

The beneficial effects of the utility model are：The utility model is by the way that sealing position is set in the side outside cooking ware Elastic construction, reduces the stress of sealing ring crimp, sealing ring is easily restored to the original state after being extruded.

On the basis of above-mentioned technical proposal, the utility model can also do following improvement.

Further, the elastic construction is that the sealing position lacks in the elasticity formed on the one side outside cooking ware Mouthful.

Beneficial effect using above-mentioned further scheme is：By setting elastic breach, shaping is simple, reduces V-type knot The stress of the crimp of structure bending part.

Further, the elastic breach is the sealing position in the arc for the formation that is recessed on the one side outside the sealing ring Shape mouthful or V-shaped part.

Beneficial effect using above-mentioned further scheme is：By by elastic gap structure set the arc port that is in depression or V-shaped part, elastic effect is good, and shaping is simple.

Further, the arc port is circular arc mouthful, and the radius of the circular arc mouthful is 0.5mm~5mm.

Beneficial effect using above-mentioned further scheme is：By the reasonable set to circular arc port radius, make herein partly The elastic effect of circular arc mouthful in the range of footpath more preferably, and disclosure satisfy that the rigid demand of sealing ring.

Further, when the cover plate assembly is fastened on cooking ware, the sealing position is in one outside cooking ware Side is provided with reinforcement, and the elastic construction is arranged on the reinforcement.

Beneficial effect using above-mentioned further scheme is：By the way that elastic construction is arranged on reinforcement, make sealing Rigidity and elasticity it is moderate.

Further, the V-shaped structure of the sealing, its one end being open and the installation portion integrally connected；When the lid When board component is fastened on cooking ware, one end of the sealing bending is connected on the open edge of the cooking ware； The opening of the sealing of the V-structure is towards the outside of the sealing ring；The reinforcement be arranged on the sealing position in The bending part of side outside the cooking ware.

Beneficial effect using above-mentioned further scheme is：By the way that sealing is set into V-structure, in V-structure The inner side of bending part sets reinforcement, and sets elastic construction on reinforcement, enhances the rigid same of V-structure entirety When, also reduce the crimp stress of sealing, when the cover plate assembly is fastened on cooking ware, make sealing ring extrude after not Easily deform, sealing effectiveness is more preferable；The opening in V type sealing structures portion is towards the outside of sealing ring so that sealing not by It is easier to restore to the original state when extruding.

Further, the reinforcement is uniformly distributed for multiple and around the sealing ring central axis；It is two neighboring to add The angle of line formation between strengthening tendons and the sealing ring center is more than or equal to 10 ° and less than or equal to 30 °.

Beneficial effect using above-mentioned further scheme is：By setting multiple reinforcements and around the central shaft of sealing ring Line is uniformly distributed, it is ensured that the uniformity of stress during sealing juxtaposition metamorphose；Pass through the limit to angle between each two reinforcement It is fixed, the overall rigidity of reinforcement and deformability is reached most preferably.

Further, the width of the reinforcement is 0.4mm~2mm.

Beneficial effect using above-mentioned further scheme is：Reasonable set is carried out by the width to reinforcement, it is to avoid If reinforcement is too narrow rigidity not enough, it is too wide if influence elasticity.

Further, the sealing includes diversion section and the pressure-bearing section on the outside of diversion section, the diversion section and pressure-bearing Duan Jun is arranged in a ring around the sealing ring central axis；One end of the diversion section is connected with the installation portion, and its is another Hold and be connected and be connected on the open edge of the cooking ware with one end of pressure-bearing section, the pressure-bearing section is directed away from institute The direction extension of sealing ring central axis is stated, the diversion section and pressure-bearing section form the V-structure；The reinforcement is set Put the outside of the junction in diversion section and pressure-bearing section.

Further, the reinforcement includes the first reinforcement section and pressure-bearing section that diversion section outward radial is convexed to form To the second reinforcement section of the side radial protrusion formation close to diversion section, the first reinforcement section is close to the bending The one end at place and one end integrally connected of the close bending part of second reinforcement section；The arc port or V-shaped part are opened up In the junction of first reinforcement section and the second reinforcement section.

Further, the arc port or V-shaped part are located at outside the first reinforcement arcuate surface extended line and the second reinforcement Above or below the intersection of convex surface extended line.

Further, center line and institute of the line at the diversion section two ends with the angle of the line formation at pressure-bearing section two ends State the angle between sealing ring central axis upward direction and be more than or equal to 0 ° and less than or equal to 90 °.

Beneficial effect using above-mentioned further scheme is：By the center line and sealing ring of the angle formed to V-structure Angle between central axis is defined, it is to avoid angle is excessive and causes sealing effectiveness bad, and is not easy to be extruded.

Further, the diversion section is diversion cambered surface or diversion inclined-plane close to the one side of the sealing ring central axis； The one end of the diversion cambered surface or diversion inclined-plane away from the cover plate assembly be located at its close to one end of the cover plate assembly just Lower section or outside.

Beneficial effect using above-mentioned further scheme is：By setting sealing to be connected on the open edge of cooking ware When, the one side that diversion section is located in cooking ware is set to diversion inclined-plane or diversion cambered surface, is easy to condensed water from sealing ring Slide, sealing ring is kept anhydrous state, can avoid in cooking process because steam is condensed and causes sealing ring internal water accumulation Phenomenon；By being arranged to be located at it close to one end of cover plate assembly by the one end of diversion cambered surface or diversion inclined-plane away from cover plate assembly Underface or outside, condensed water can be made directly to be slid by self gravitation along diversion inclined-plane or diversion cambered surface, and sealing ring is easy to Cleaning.

Further, the diversion cambered surface is the direction concave shape that the sealing ring is directed away from the sealing ring central axis Into.

Beneficial effect using above-mentioned further scheme is：Formed by the way that diversion cambered surface is set into depression, compared to projection The diversion cambered surface of formation, diversion effect and sealing effectiveness are all more preferable.

Further, the sealing also includes being tightly connected section, and described one end for being tightly connected section is connected to the diversion Section and the junction of the installation portion, its other end is towards close to the extension of the direction of the sealing ring central axis and sealing crimping On the cover plate assembly.

Beneficial effect using above-mentioned further scheme is：Section is tightly connected by setting, can be by being tightly connected Duan Mi Envelope crimping on the cover board blocks annulus outside cooking ware interior sealing environment, it is to avoid the vapor in cooking ware enters Enter between lid and cover plate and cause seeping phenomenon.

Further, the hardness of the sealing is 30~75A.

Beneficial effect using above-mentioned further scheme is：Because the thickness of sealing is inversely proportional with its hardness, hardness is got over Height, sealing deflection is smaller, is unfavorable for sealing；And under same hardness, its thickness of thinning can then increase its deflection； The present embodiment, can be by the change of the thickness of sealing, to the deflection of sealing by rationally limiting the hardness of sealing Reasonably regulated and controled.

A kind of cover plate assembly, includes the pressing plate and sealing ring as described above of cover board body, loop configuration, the pressing plate pressure It is connected in the circumferential edge of the cover board body and an annular gap is formed between the cover board body, the installation portion sealing It is crimped in the annular gap and positioned at the inner ring side of the pressing plate, the sealing is from the annular gap along away from described Extend and shelter from annular gap sealing in the direction of cover plate assembly.

The beneficial effects of the utility model are：Cover plate assembly of the present utility model passes through sealing ring and cooking ware is open The outside of the joint place at edge sets elastic construction, reduces the stress of sealing ring crimp, sealing ring is held after being extruded Easily restore to the original state.

A kind of cover assembly, including lid body and cover plate assembly as described above, the another side of the cover plate assembly connect It is connected on the lid body.

The beneficial effects of the utility model are：Cover assembly of the present utility model passes through sealing ring and cooking ware is open The outside of the joint place at edge sets elastic construction, reduces the stress of sealing ring crimp, sealing ring is held after being extruded Easily restore to the original state.

A kind of electrical equipment, including cooking ware and cover assembly as described above, the cover assembly are arranged on the culinary art The opening end of vessel；When the cover assembly is fastened on cooking ware, the both seals are crimped on the cooking ware Open edge on.

The beneficial effects of the utility model are：The utility model electrical structure is compact, good sealing effect, customer experience effect It is good.

Brief description of the drawings

Fig. 1 is the sealing ring and the cross-section structure of the annexation of cover plate assembly, cover plate and interior pot of utility model embodiment Schematic diagram；

Fig. 2 is the mplifying structure schematic diagram in A portions in Fig. 1；

Fig. 3 is the cross-sectional view of the sealing ring of the utility model embodiment；

Fig. 4 is the mplifying structure schematic diagram in B portions in Fig. 3；

Fig. 5 is the overlooking the structure diagram of the sealing ring of the utility model embodiment；

Fig. 6 is the cross-sectional view of an embodiment of the sealing ring of the utility model embodiment；

Fig. 7 is the mplifying structure schematic diagram in C portions in Fig. 6；

Fig. 8 is the cross-sectional view of another embodiment of the sealing ring of the utility model embodiment；

Fig. 9 is the mplifying structure schematic diagram in D portions in Fig. 8.

In accompanying drawing, the list of parts representated by each label is as follows：

1st, cover plate assembly；11st, pressing plate；12nd, cover board body；13rd, annular gap；2nd, sealing ring；21st, installation portion；22nd, it is close Envelope portion；221st, diversion section；222nd, it is tightly connected section；224th, pressure-bearing section；225th, diversion face；226th, reinforcement；227th, first strengthens Muscle section；228th, the second reinforcement section；229th, elastic breach；3rd, cooking ware；31st, open edge.

Embodiment

Principle of the present utility model and feature are described below in conjunction with accompanying drawing, example is served only for explaining this practicality It is new, it is not intended to limit scope of the present utility model.

Embodiment 1

As shown in Fig. 1~Fig. 9, the sealing ring on a kind of cover plate assembly of the present embodiment includes the installation portion of integrally connected 21 and sealing 22, the installation portion 21 is sealingly mounted on the one side of the cover plate assembly 1, and the sealing 22 is from described The one side of cover plate assembly 1 extends along the direction away from the cover plate assembly 1；When the cover plate assembly 1 is fastened on cooking pot When on ware 3, the sealing 22 is connected on the open edge 31 of cooking ware 3 and the sealing 22 is located at cooking ware 3 Outer one side, which is provided with, to be used to reduce the elastic construction of the crimp stress of sealing 22；By setting elastic construction, The stress of sealing ring crimp is reduced, sealing ring is easily restored to the original state after being extruded.

The installation portion 21 of the present embodiment can use the connection ring of continuous loop configuration, or be integrally attached to close The sectional discontinuous connection strap arranged in a ring in envelope portion 21, the installation portion of the present embodiment is in order that be tightly connected Effect is more preferable, it is preferred to use the connection ring of loop configuration.

The sealing 22 of the present embodiment is preferably V-structure, and its one end being open integrally connects with the installation portion 21 Connect；When the cover plate assembly 1 is fastened on cooking ware 3, one end of the bending of sealing 22 is connected to the cooking pot On the open edge 31 of ware 3, the opening of the sealing 22 of the V-structure is towards the outside of the sealing ring 2.Such as Fig. 5~Fig. 9 Shown, the inner side of the bending part of sealing 22 of the V-structure is provided with reinforcement 226, and the elastic construction is arranged on reinforcement On 226, while the setting of reinforcement and elastic construction enhances V-structure overall rigidity, squeezing for sealing is also reduced Compressive strain stress, when the cover plate assembly is fastened on cooking ware, makes sealing ring that deformation, sealing effectiveness be less likely to occur after extruding More preferably；The opening of V-structure sealing is towards the outside of sealing ring so that be easier to recover former when sealing is not extruded Shape.

As shown in figures 7 and 9, the elastic construction of the present embodiment is that the elasticity that the surface of reinforcement 226 is formed lacks Mouth 229.The elastic breach 229 of the present embodiment is specially that the surface of reinforcement 226 is recessed to the bending part of the V-structure Fall into the arc port or V-shaped part formed.The arc port of the present embodiment is circular arc mouthful, and the radius of the circular arc mouthful is 0.5mm~5mm, preferably 1mm, 2mm, 3mm, 4mm or 4.5mm；The change of sealing is made using the circular arc mouthful of this radius Evenly, sealing effectiveness is more preferable for shape stress.

The reinforcement 226 of the present embodiment structure and can be arranged in the inner side of V-structure bending part in a ring for one Annular muscle, or multistage is equidistantly and the rib that is arranged in a ring on the inside of V-structure bending part；The present embodiment is preferably adopted It is multiple with the reinforcement 226, and is uniformly distributed around the central axis of the sealing ring 2, it is specific as shown in Figure 5.It is described The width of reinforcement 226 is preferably 0.4mm~2mm, more preferably 0.6mm, 0.8mm, 1mm, 1.2mm, 1.5mm, 1.6mm and 1.8mm；Preferably described width refers to the circumferential width of reinforcement 226.

As shown in figure 5, in multiple reinforcements 226 of the present embodiment, in two neighboring reinforcement 226 and the sealing ring 2 The angle of line formation between the heart is δ, and δ is more than or equal to 10 ° and less than or equal to 30 °.δ be chosen as 10 °, 15 °, 20 °, 25 ° and 30°.By the restriction to angle between each two reinforcement, the overall rigidity of reinforcement and deformability is set to reach most preferably.

The hardness of the sealing 22 of the present embodiment is 30A~75A, the hardness of sealing 22 preferably using 35A, 40A, 45A, 50A, 55A, 60A, 65A or 70A.Because the solid section thickness of sealing is inversely proportional with its hardness, hardness is higher, The deflection of solid section is smaller, is unfavorable for sealing；And under same hardness, its thickness of thinning can then increase its deflection； The present embodiment can be come by rationally limiting the hardness of sealing solid section by the change of the thickness of sealing solid section The deflection of sealing is reasonably regulated and controled.

As shown in Figure 2 and Figure 4, the sealing 22 of the present embodiment includes diversion section 221 and positioned at the outside of diversion section 221 Pressure-bearing section 224, diversion section 221 and pressure-bearing section 224 are arranged in a ring around the central axis of sealing ring 2；The diversion One end of section 221 is connected with the installation portion 21, and one end of its other end and the pressure-bearing sections 224 is connected and cooked described in being connected to Prepare food on the open edge 31 of vessel 3, the pressure-bearing section 224 is directed away from the direction extension of the central axis of sealing ring 2, institute State diversion section 221 and pressure-bearing section 224 forms the V-structure；The reinforcement 226 is arranged on 221 Hes of the diversion section The outside of the junction of the pressure-bearing section 224.

As shown in figures 7 and 9, the reinforcement 226 of the V-structure sealing ring of the present embodiment include the diversion section 221 to Outer radial extends the first reinforcement to be formed section 227 and pressure-bearing section 224 radially extends shape to close to the direction of diversion section 221 Into the second reinforcement section 228, first reinforcement section 227 is close to one end of the bending part and second reinforcement Section 228 is close to one end integrally connected of the bending part, and the arc port or V-shaped part are opened in the first reinforcement section 227 With the junction of the second reinforcement section 228.

As shown in figs. 6-9, the arc port or V-shaped part of the present embodiment are located at first reinforcement, 227 evaginations of section The top (specifically as shown with 7) or lower section of the intersection of face extended line and the second reinforcement 228 arcuate surface extended lines of section are (specific As shown in Figure 9).

As shown in figure 4, the line and the line at 224 two ends of pressure-bearing section at 221 two ends of diversion section of the present embodiment Angle between the center line of the angle of formation and the central axis upward direction of the sealing ring 2 is γ, and γ is more than or equal to 0 ° and small In equal to 90 °；γ is chosen as 10 °~60 °, is further chosen as 30 °, 40 °, 45 °, 50 ° and 55 °.By being formed to V-structure Angle center line and the central axis of sealing ring 2 between angle rationally limited, it is to avoid angle it is excessive and cause sealing imitate It is really bad, and be not easy to be extruded.

As shown in Figure 2 and Figure 4, one side of the diversion section 221 of the present embodiment close to the central axis of sealing ring 2 For diversion face 225, diversion face 225 is diversion cambered surface or diversion inclined-plane；In order to which condensed water slides from sealing ring, make sealing ring Anhydrous state is kept, can be avoided in cooking process because steam is condensed and causes the phenomenon of sealing ring internal water accumulation.

When the diversion face 225 is diversion cambered surface, the diversion section 221 is uniform arcuate structure；By by diversion Section is arranged to arcuate structure, and the stress produced during diversion section crimp is small, improves the durability of sealing ring.

When the diversion face 225 is diversion inclined-plane, the diversion section 221 is plate-like structure.

As shown in Figure 2 and Figure 4, the diversion cambered surface or diversion inclined-plane of the present embodiment away from the cover plate assembly 1 one End is located at it close to the underface or outside of one end of the cover plate assembly 1, i.e., described diversion cambered surface or diversion inclined-plane are away from institute State one end of cover plate assembly 1 and be more than or equal to the diversion cambered surface or diversion inclined-plane with the vertical range of the central axis of sealing ring 2 Close to one end of the cover plate assembly 1 and the vertical range of the central axis of sealing ring 2.Condensed water can be made directly to lean on self gravitation Slid along diversion inclined-plane or diversion cambered surface, and sealing ring is readily cleaned.

As shown in figure 4, in the camber line of same longitudinal tangent plane formation of the diversion cambered surface of the present embodiment, any two points connect Line and the central axis of the sealing ring 2 in downward direction between angle be θ, θ is more than or equal to 0 ° and less than or equal to 90 °, and θ is chosen as 10 °~60 °, further it is chosen as 30 °, 40 °, 45 °, 50 ° and 55 °.By by any one longitudinal tangent plane shape of diversion cambered surface Into camber line in, angle of any two points with sealing ring central axis in downward direction is limited, and can avoid the curved of diversion cambered surface Bent radian is excessive and causes the problem of sealing or diversion effect are bad.

As shown in Figure 1 to 4, the diversion cambered surface of the present embodiment is that the sealing ring 2 is directed away from the sealing ring 2 The direction of central axis is recessed to be formed, and compared to the diversion cambered surface convexed to form, diversion effect and sealing effectiveness are all more preferable.

As shown in figure 4, the tangent line at any point and the central shaft of sealing ring 2 in the diversion cambered surface of the present embodiment Line in downward direction between angle be α, α is more than or equal to 0 ° and less than or equal to 90 °, and α is chosen as 10 °~60 °, is further chosen as 30 °, 40 °, 45 °, 50 ° and 55 °；By the tangent line to any point in diversion cambered surface and sealing ring central axis in downward direction it Between angle be defined, it is to avoid diversion cambered surface crooked radian is excessive and causes the problem of sealing or diversion effect are bad.

As shown in figure 1, the sealing 22 of the present embodiment also includes being tightly connected section 222, it is described to be tightly connected section 222 One end be connected to diversion section 221 and the junction of the installation portion 21, its other end is towards in the sealing ring 2 The direction extension and sealing of heart axis are crimped on the cover plate assembly 1.Section is tightly connected by setting, can be by being tightly connected Section sealing crimping on the cover board blocks annulus outside cooking ware inner sealing environment, it is to avoid the water in cooking ware steams Gas enters in cover plate assembly or sealing ring and causes seeping phenomenon.

Embodiment 2

A kind of cover plate assembly, as shown in figure 1, the cover plate assembly 1 includes cover board body 12, the and of pressing plate 11 of loop configuration Sealing ring 2 as described in Example 1, the pressing plate 11 be crimped in the circumferential edge of the cover board body 12 and with the cover plate An annular gap 13 is formed between body 12, the sealing of installation portion 21 is crimped in the annular gap 13 and positioned at the pressure The inner ring side of plate 11, the sealing 22 from the annular gap 13 along extend away from the direction of the cover plate assembly 1 and will The sealing of annular gap 13 is sheltered from.The cover plate assembly of the present embodiment is by by the joint place at the open edge of sealing ring and cooking ware Outside set elastic construction, reduce the stress of sealing ring crimp, make sealing ring be extruded after easily restore to the original state.

Embodiment 3

A kind of cover assembly, including lid body and cover plate assembly as described in Example 21 are present embodiments provided, it is described The another side of cover plate assembly 1 is connected on the lid body.The cover assembly of the present embodiment is by by sealing ring and cooking pot The outside of the joint place at ware opening edge sets elastic construction, reduces the stress of sealing ring crimp, is squeezed sealing ring Easily restored to the original state after pressure.

Embodiment 4

A kind of electrical equipment of the present embodiment, as shown in figure 1, including cooking ware 3 and cover assembly as described in Example 3, The cover assembly is arranged on the opening end of the cooking ware 3；It is described when the cover assembly is fastened on cooking ware 3 The sealing of sealing 22 is crimped on the open edge 31 of the cooking ware 3.The electrical structure of the present embodiment is compact, sealing effectiveness Good, seeping phenomenon is not present in its cover plate assembly, and customer experience effect is good.

The electrical equipment is electric cooker, electric pressure cooking saucepan, soy bean milk making machine, electric baking pan, stewing slaughterhouse or soy bean milk making machine.

In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " suitable The orientation or position relationship of the instruction such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " are based on orientation shown in the drawings Or position relationship, be for only for ease of description the utility model and simplify and describe, rather than indicate or imply signified device or Element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limit of the present utility model System.

In addition, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or Implicitly include at least one this feature.In description of the present utility model, " multiple " are meant that at least two, such as two It is individual, three etc., unless otherwise specifically defined.

In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be Mechanically connect or electrically connect；Can be joined directly together, can also be indirectly connected to by intermediary, can be two The connection of element internal or the interaction relationship of two elements, unless otherwise clear and definite restriction.For the common skill of this area For art personnel, concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.

In the utility model, unless otherwise clearly defined and limited, fisrt feature is "above" or "below" second feature Can be that the first and second features are directly contacted, or the first and second features pass through intermediary mediate contact.Moreover, first is special Levy second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only Represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be with Be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height less than second feature.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means to combine specific features, structure, material or the spy that the embodiment or example are described Point is contained at least one embodiment of the present utility model or example.In this manual, to the schematic table of above-mentioned term State and be necessarily directed to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be with Combined in an appropriate manner in any one or more embodiments or example.In addition, in the case of not conflicting, this area Technical staff the not be the same as Example or the feature of example and non-be the same as Example or example described in this specification can be entered Row is combined and combined.

Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is Exemplary, it is impossible to it is interpreted as to limitation of the present utility model, one of ordinary skill in the art is in scope of the present utility model It is interior above-described embodiment to be changed, changed, replaced and modification.

Claims (19)

1. the sealing ring on a kind of cover plate assembly, it is characterised in that installation portion (21) and sealing (22) including integrally connected, The installation portion (21) is sealingly mounted on the one side of the cover plate assembly (1), and the sealing (22) is from the cover plate group The one side of part (1) extends along the direction away from the cover plate assembly (1)；When the cover plate assembly (1) is fastened on cooking pot When on ware (3), the sealing (22) is connected on the open edge (31) of cooking ware (3) and the sealing (22) is located at The one side of cooking ware (3) outside, which is provided with, to be used to reduce the elastic construction of the sealing (22) crimp stress.

2. the sealing ring on a kind of cover plate assembly according to claim 1, it is characterised in that the elastic construction is described close Envelope portion (22) is located at the elastic breach (229) formed on the one side of cooking ware (3) outside.

3. the sealing ring on a kind of cover plate assembly according to claim 2, it is characterised in that the elastic breach (229) is Be recessed the arc port or V-shaped part of formation on the one side that the sealing (22) is located at outside the sealing ring.

4. the sealing ring on a kind of cover plate assembly according to claim 3, it is characterised in that the arc port is circular arc Mouthful, the radius of the circular arc mouthful is 0.5mm~5mm.

5. the sealing ring according to claim 3 or 4 on a kind of cover plate assembly, it is characterised in that when the cover plate assembly (1) When being fastened on cooking ware (3), the sealing (22) is located at the side of cooking ware (3) outside and is provided with reinforcement (226), institute Elastic construction is stated to be arranged on the reinforcement (226).

6. the sealing ring on a kind of cover plate assembly according to claim 5, it is characterised in that the sealing (22) is V-shaped Structure, its one end being open and the installation portion (21) integrally connected；When the cover plate assembly (1) is fastened on cooking ware (3) When upper, one end of sealing (22) bending is connected on the open edge (31) of the cooking ware (3)；The V-type knot Outside of the opening of the sealing (22) of structure towards the sealing ring (2)；The reinforcement (226) is arranged on the sealing (22) it is located at the bending part of the side of the cooking ware (3) outside.

7. the sealing ring on a kind of cover plate assembly according to claim 6, it is characterised in that the reinforcement (226) is many Individual and around the sealing ring (2) central axis is uniformly distributed；In two neighboring reinforcement (226) and the sealing ring (2) The angle of line formation between the heart is more than or equal to 10 ° and less than or equal to 30 °.

8. a kind of sealing ring on cover plate assembly according to claim 7, it is characterised in that the width of the reinforcement (226) Spend for 0.4mm~2mm.

9. according to the sealing ring on a kind of any one of claim 6 to 8 cover plate assembly, it is characterised in that the sealing (22) diversion section (221) and the pressure-bearing section (224) on the outside of diversion section (221), the diversion section (221) and pressure-bearing section are included (224) arranged in a ring around the sealing ring (2) central axis；One end of the diversion section (221) and the installation portion (21) it is connected, one end of its other end and the pressure-bearing section (224) is connected and is connected to the open edge of the cooking ware (3) (31) on, the pressure-bearing section (224) is directed away from the direction extension of the sealing ring (2) central axis, the diversion section (221) The V-structure is formed with pressure-bearing section (224)；The reinforcement (226) is arranged on diversion section (221) and described held Press the outside of the junction of section (224).

10. the sealing ring on a kind of cover plate assembly according to claim 9, it is characterised in that the reinforcement (226) includes The the first reinforcement section (227) and pressure-bearing section (224) that described diversion section (221) outward radial is convexed to form are to close to the diversion The second reinforcement section (228) of the side radial protrusion formation of section (221), the first reinforcement section (227) is close to the folding One end of crook and one end integrally connected of the close bending part of second reinforcement section (228)；The arc port or V-arrangement Mouth is opened in the junction of the first reinforcement section (227) and the second reinforcement section (228).

11. the sealing ring on a kind of cover plate assembly according to claim 10, it is characterised in that the arc port or V-shaped part Positioned at the intersection of first reinforcement section (227) arcuate surface extended line and the second reinforcement section (228) arcuate surface extended line Above or below.

12. a kind of sealing ring according to claim 10 or 11 on cover plate assembly, it is characterised in that the diversion section (221) center line and the sealing ring (2) center of the line at two ends with the angle of the line formation at pressure-bearing section (224) two ends Angle between axis upward direction is more than or equal to 0 ° and less than or equal to 90 °.

13. the sealing ring according to claim 12 on a kind of cover plate assembly, it is characterised in that the diversion section (221) is leaned on The one side of nearly sealing ring (2) central axis is diversion cambered surface or diversion inclined-plane；The diversion cambered surface or diversion inclined-plane are remote One end from the cover plate assembly (1) is located at its underface or outside close to one end of the cover plate assembly (1).

14. the sealing ring according to claim 13 on a kind of cover plate assembly, it is characterised in that the diversion cambered surface is described The direction that sealing ring (2) is directed away from the sealing ring (2) central axis is recessed to be formed.

15. the sealing ring according to claim 14 on a kind of cover plate assembly, it is characterised in that the sealing (22) is also wrapped Include and be tightly connected section (222), described one end for being tightly connected section (222) is connected to the diversion section (221) and the installation portion (21) junction, its other end direction is crimped on described close to the direction extension and sealing of the sealing ring (2) central axis On cover plate assembly (1).

16. according to the sealing ring on a kind of cover plate assembly of any one of Claims 1-4,6 to 8, it is characterised in that described The hardness of sealing (22) is 30~75A.

17. a kind of cover plate assembly, it is characterised in that including cover board body (12), the pressing plate (11) of loop configuration and as right will Seek the sealing ring (2) described in 1 to 12 any one, the pressing plate (11) be crimped in the circumferential edge of the cover board body (12) and An annular gap (13) is formed between the cover board body (12), installation portion (21) sealing is crimped on the annular gap (13) in and positioned at the inner ring side of the pressing plate (11), the sealing (22) is from the annular gap (13) along away from the lid Extend and shelter from annular gap (13) sealing in the direction of board component (1).

18. a kind of cover assembly, it is characterised in that described including lid body and cover plate assembly as claimed in claim 17 (1) The another side of cover plate assembly (1) is connected on the lid body.

19. a kind of electrical equipment, it is characterised in that including cooking ware (3) and cover assembly as claimed in claim 18, it is described on Cap assemblies are arranged on the opening end of the cooking ware (3)；It is described close when the cover assembly is fastened on cooking ware (3) Envelope portion (22) sealing is crimped on the open edge (31) of the cooking ware (3).