CN217781537U - Sealing and heat insulating mechanism and dryer - Google Patents
Sealing and heat insulating mechanism and dryer Download PDFInfo
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- CN217781537U CN217781537U CN202221575042.4U CN202221575042U CN217781537U CN 217781537 U CN217781537 U CN 217781537U CN 202221575042 U CN202221575042 U CN 202221575042U CN 217781537 U CN217781537 U CN 217781537U
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Abstract
The utility model discloses a sealed heat-proof machine constructs, including the door ring, set up the sealing washer on door ring inner wall, the anchor ring epirelief that the face of sealing washer is covered to the inner tube is equipped with the sealed ring limit of at least round to compress tightly the side of sealed muscle when the anchor ring compresses tightly the sealed muscle that the inner tube covered. Therefore, not only the ring surface of the sealing ring is tightly abutted with the front end surface of the sealing rib, but also the sealing ring edge is tightly abutted with the side surface of the sealing rib, so that the sealing performance and the sealing layer quality between the door ring and the inner cylinder cover are improved, and even if the sealing rib is structurally deformed, although the ring surface of the sealing ring possibly cannot be sealed with the front end surface of the sealing rib, the sealing ring edge can still form sealing with the side surface of the sealing rib, so that the sealing ring can still have good sealing performance; in addition, the user does not need to forcibly close the door ring additionally, so that the use experience of the user can be improved. The utility model discloses still disclose a drying-machine, its beneficial effect as above.
Description
Technical Field
The utility model relates to the technical field of household appliances, in particular to sealed thermal-insulated mechanism. The utility model discloses still relate to a drying-machine.
Background
With the improvement of living standard, various household appliances have been widely used.
The dryer is an electric appliance mainly used for drying clothes, and the working principle is as follows: under the action of the drawing force of the fan, fresh and cold air outside directly passes through the air inlet to exchange heat with the heater to become dry hot air, then exchanges heat with the clothes rolling in the drum and is discharged out of the machine body, and the clothes in the drum gradually evaporate and are dried under the action of the dry hot air.
In the operation of the dryer, as shown in fig. 1 to 3, the hot air in the inner cylinder cover 1 is easily leaked through the contact surface with the door ring 3, and thus the sealing state between the door ring 3 and the inner cylinder cover 1 needs to be maintained. At present, the general method is to install the seal ring 4 in the door ring 3, and after the door ring 3 is closed, the seal ring 4 is tightly abutted against the raised seal rib 2 on the inner cylinder cover 1, so as to form a seal between the inner cylinder cover 1 and the door ring 3, and the seal area is an annular abutting surface between the seal ring 4 and the seal rib 2.
However, when the seal rib is deformed due to external force, manufacturing factors, or the like, the seal rib and the seal ring are likely to be in tight contact with each other, which results in poor sealing. In prior art, generally improve through the mode that increases the interference fit volume between sealed muscle and the sealing washer (the sealing washer has elasticity, when with sealed muscle butt, the sealing washer is compressed tightly and is produced sunken interference deformation), nevertheless this can lead to closing the door power too big, and the user is more arduous when closing the door, and the user uses and experiences not well to still probably lead to in the stoving process, lead to the unexpected bullet of door ring to open because of the too big sealing washer elastic force, the unexpected operation process that suspends of drying-machine. In addition, when the sealing ring is used for a long time, the sealing ring is in an interference pressing state for a long time, is easy to age and deform, and can generate a gap with a sealing rib, so that the problems of poor sealing, hot gas leakage and the like are caused.
Therefore, how to improve the sealing quality between the door ring and the inner cylinder cover, ensure that the sealing rib still has good sealing performance even under the condition of structural deformation, and improve the user experience, which is a technical problem faced by technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a sealed thermal-insulated mechanism can improve the sealing quality between door ring and the inner tube cover, ensures still to have good sealing performance even the sealed muscle appears under the condition that structural deformation, improves the user simultaneously and uses experience. Another object of the utility model is to provide a drying-machine.
In order to solve the technical problem, the utility model provides a sealed heat-proof mechanism, including the door ring, set up in sealing washer on the door ring inner wall, the anchor ring epirelief of the interior cover of face of sealing washer is equipped with the sealed ring limit of at least round, with the anchor ring compresses tightly compress tightly during the sealed muscle on the interior cover compress tightly the side of sealed muscle.
Preferably, the sealing ring edge is provided with a circle and is located in a radial outer ring area of the ring surface, and the sealing ring edge is used for pressing the outer side surface of the sealing rib.
Preferably, the sealing ring edge is provided with a circle and is located in a radial inner ring area of the ring surface, and the sealing ring edge is used for pressing the inner side surface of the sealing rib.
Preferably, the sealing ring is provided with two rings at the edge, and the two rings are respectively located in the radial outer ring area and the radial inner ring area of the ring surface and are respectively used for compressing the outer side surface and the inner side surface of the sealing rib.
Preferably, a pressing surface of the sealing ring edge facing the side surface of the sealing rib is an inclined surface, and the sealing ring edge has elasticity so as to press the side surface of the sealing rib through elastic deformation when the inclined surface abuts against the front end of the sealing rib.
Preferably, the inclined plane and the ring surface form an inclined angle in an interval of [80 degrees, 90 degrees ].
Preferably, a guide notch is formed in an end face, facing the inner cylinder cover, of the sealing ring edge, so as to guide relative movement of the sealing rib when the sealing rib and the sealing ring are close to each other.
Preferably, an inclination angle formed between the guide notch edge and the ring surface is smaller than an inclination angle formed between the inclined surface and the ring surface.
Preferably, a cavity is formed in the sealing ring and/or the sealing ring edge to reduce weight and improve elasticity.
The utility model also provides a dryer, including inner tube cover, protruding locating the sealed muscle that the inner tube covered, and be used for with the sealed thermal-insulated mechanism of sealed muscle complex, wherein, sealed thermal-insulated mechanism specifically is above-mentioned arbitrary sealed thermal-insulated mechanism.
The utility model provides a sealed thermal-insulated mechanism mainly includes door ring, sealing washer and sealed ring limit. The door ring is generally disposed on the door panel, and is mainly used for a user to perform a rotary switch operation to open or close an inlet of the dryer. When the door ring is closed, the door ring seals the inner cylinder cover inside the dryer. The sealing ring is arranged on the inner wall of the door ring and is mainly used for being in butt fit with the sealing rib on the inner cylinder cover so as to form sealing between the door ring and the inner cylinder cover. The sealing ring edge is convexly arranged on the annular surface (namely the inner side surface) of one side of the sealing ring facing the inner cylinder cover, the whole sealing ring is annular, at least one circle is arranged on the sealing ring, and the sealing ring edge is mainly used for simultaneously pressing the side surface of the sealing rib when the door ring is closed and the annular surface of the sealing ring presses the front end surface of the sealing rib on the inner cylinder cover. Therefore, when the sealing ring is matched with the sealing rib, not only the ring surface of the sealing ring is tightly abutted with the front end face of the sealing rib, but also the sealing ring edge is tightly abutted with the side face of the sealing rib, so that the sealing performance and the sealing quality between the door ring and the inner cylinder cover are improved by utilizing the sealing ring edge and the side face of the sealing rib, and even if the sealing rib is structurally deformed, the ring surface of the sealing ring can not be sealed with the front end face of the sealing rib, but still can be sealed with the side face of the sealing rib through the sealing ring edge, so that the sealing ring is ensured to have good sealing performance; in addition, the user does not need to close the door ring with extra force, and therefore the use experience of the user can be improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a door ring and an inner cylinder cover in the prior art.
Fig. 2 is a side cross-sectional view of fig. 1.
Fig. 3 is an enlarged view of the structure of the circle a shown in fig. 1.
Fig. 4 is a schematic view of a partial structure of a sealing ring according to an embodiment of the present invention.
Fig. 5 is a cross-sectional view of fig. 4.
Fig. 6 is a side view of fig. 5.
Fig. 7 is a schematic view of the state before the sealing rib forms a seal with the sealing ring.
Fig. 8 is a schematic view of the state after the sealing rib forms a seal with the gasket.
Wherein, in fig. 1-8:
the inner cylinder cover-1, the sealing rib-2, the door ring-3, the sealing ring-4, the sealing ring edge-5 and the cavity-6;
a ring surface-4 a, a bevel-5 a, a guide notch-5 b.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 4, 5 and 6, fig. 4 is a schematic partial structure view of a seal ring 4 according to an embodiment of the present invention, fig. 5 is a cross-sectional view of fig. 4, and fig. 6 is a side view of fig. 5
In a specific embodiment provided by the present invention, the sealing and heat insulating mechanism mainly includes a door ring 3, a sealing ring 4 and a sealing ring edge 5.
The door ring 3 is generally disposed on the door panel, and is mainly used for a user to perform a rotary switch operation, so as to open or close an inlet of the dryer. When the door ring 3 is closed, the door ring 3 will close the inner cylinder cover 1 inside the dryer.
The sealing ring 4 is arranged on the inner wall of the door ring 3 and is mainly used for being in butt fit with the sealing rib 2 on the inner cylinder cover 1 so as to form sealing between the door ring 3 and the inner cylinder cover 1.
The sealing ring edge 5 is convexly arranged on the annular surface 4a (namely the inner side surface) of one side of the sealing ring 4 facing the inner cylinder cover 1, is annular as a whole, is provided with at least one circle on the sealing ring 4, and is mainly used for simultaneously pressing the side surface of the sealing rib 2 when the door ring 3 is closed and the annular surface 4a of the sealing ring 4 presses the front end surface of the sealing rib 2 on the inner cylinder cover 1.
Thus, when the sealing ring 4 is matched with the sealing rib 2, not only the ring surface 4a of the sealing ring 4 is tightly abutted with the front end surface of the sealing rib 2, but also the sealing ring edge 5 is tightly abutted with the side surface of the sealing rib 2, so that the sealing performance and the sealing quality between the door ring 3 and the inner cylinder cover 1 are improved by utilizing the sealing ring edge 5 and the side surface of the sealing rib 2, and even under the condition that the sealing rib 2 is structurally deformed, although the ring surface 4a of the sealing ring 4 possibly cannot be sealed with the front end surface of the sealing rib 2, the sealing ring edge 5 can still be sealed with the side surface of the sealing rib 2, and the sealing ring 4 is ensured to still have good sealing performance; in addition, the user does not need to forcibly close the door ring 3, so that the use experience of the user can be improved.
In an alternative embodiment with respect to the sealing rim 5, the sealing rim 5 is provided with only one turn on the annular surface 4a of the sealing ring 4, and is located in particular in the radially outer region of the annular surface 4a, the sealing rim 5 being mainly intended to press against the outer lateral surface of the sealing rib 2 when the front end surface of the sealing rib 2 comes into abutment with the annular surface 4a of the sealing ring 4.
In an alternative embodiment with respect to the sealing bead 5, the sealing bead 5 is provided with only one turn on the annular surface 4a of the sealing ring 4, and in particular in the radially inner region of the annular surface 4a, the sealing bead 5 being intended primarily to press against the inner side of the sealing bead 2 when the front end face of the sealing bead 2 comes into abutment with the annular surface 4a of the sealing ring 4.
In yet another alternative embodiment of the sealing ring edge 5, the sealing ring edge 5 is provided with two rings on the annular surface 4a of the sealing ring 4, wherein one ring is specifically provided in the radial outer ring area of the annular surface 4a, and the other ring is specifically provided in the radial inner ring area of the annular surface 4a, when the front end surface of the sealing rib 2 abuts against the annular surface 4a of the sealing ring 4, the sealing ring edge 5 located at the outer ring presses the outer side surface of the sealing rib 2, and the sealing ring edge 5 located at the inner ring presses the inner side surface of the sealing rib 2. Compared with the two embodiments of the sealing ring edge 5, in the embodiment, the two rings of sealing ring edges 5 are used for simultaneously compressing the inner side surface and the outer side surface of the sealing rib 2, so that the sealing performance is further improved.
As shown in fig. 7 and 8, fig. 7 is a schematic view of a state before the seal bead 2 and the seal ring 4 form a seal, and fig. 8 is a schematic view of a state after the seal bead 2 and the seal ring 4 form a seal.
In order to conveniently press the side surface of the sealing rib 2 by the sealing ring edge 5, in this embodiment, the pressing surface of the sealing ring edge 5 facing the side surface of the sealing rib 2 is specifically an inclined surface 5a, a certain inclination angle is formed between the inclined surface 5a and the ring surface 4a, and the sealing ring edge 5 is also elastic. Of course, the annular surface 4a of the sealing ring 4 is also elastic. This inclined plane 5a mainly used forms the butt with the front end of sealed muscle 2 to produce elastic deformation under the effect of butt effect, thereby further make the whole production elasticity of sealed crown plate and rotate the effect, and then when the preceding terminal surface of sealed muscle 2 and the anchor ring 4a of sealing washer 4 formed the butt, the inclined plane 5a elasticity of sealed crown 5 rotated to the side butt of totally with sealed muscle 2, hug closely.
Generally, the inclined surface 5a of the sealing ring edge 5 forms an inclination angle with the annular surface 4a of the sealing ring 4, and the angle range is [80 °,90 °, such as 80 °, 85 °, and the like. Of course, the angle of the inclination angle is not limited, and the specific requirement is determined according to the elastic deformation characteristic of the sealing ring edge 5.
When the opposite pressing surfaces of the two sealing ring edges 5 are all designed to be the inclined surfaces 5a, the two sealing ring edges 5 and the ring surface 4a of the sealing ring 4 are equivalent to form a flared groove structure with elasticity, when the front end surface of the sealing rib 2 is abutted to the ring surface 4a of the sealing ring 4, the front end of the sealing rib 2 is equivalent to be inserted into the groove structure, and therefore on the basis of being abutted to the groove bottom surface of the groove, the groove walls on the two sides are elastically deformed, and the inner side surface and the outer side surface of the sealing rib 2 are clamped tightly.
In addition, in this embodiment, a guide notch 5b is provided on the end surface of the seal ring 5 facing the inner cylinder cover 1. Specifically, a certain inclination angle is formed between the guide notch 5b and the ring surface 4a of the sealing ring 4, and the guide notch is mainly used for guiding relative movement of the sealing rib 2 when the door ring 3 is closed and the sealing rib 2 and the sealing ring 4 are close to each other, so that the sealing rib 2 can be smoothly inserted into the groove structure.
Generally, the inclination angle between the guiding notch 5b and the ring surface 4a is smaller than the inclination angle between the inclined surface 5a and the ring surface 4a, for example, the inclination angle between the guiding notch 5b and the ring surface 4a is in the range of [60 °,70 ° ], such as 60 °, 65 °,70 °, and the like. So set up, close tightly and the inclined plane 5a of sealed ring limit 5 and the side of sealed muscle 2 compress tightly the back when door ring 3, above-mentioned groove structure still is open structure, the direction lacks limit 5b and sealed muscle 2 and does not have the contact, thereby even door ring 3 closes for a long time, make the inclined plane 5a permanent elasticity back of sealed ring limit 5, the direction lacks limit 5b still and does not change, still exist the guide effect to sealed muscle 2, avoid appearing the unable condition of correctly inserting into above-mentioned groove structure of sealed muscle 2.
In addition, in order to realize the weight reduction design, the cavity 6 is further formed in the sealing ring 4, and meanwhile, after the cavity 6 is formed in the sealing ring 4, the elastic performance of the structure can be further enhanced to a certain degree. In the same way, the sealing ring edge 5 can be designed in the same way, namely, the cavity 6 is arranged in the sealing ring edge 5, and the sealing ring edge and the cavity can be respectively and independently arranged and can also be simultaneously arranged.
This embodiment still provides a drying-machine, mainly includes interior cover 1, protruding sealed muscle 2 of locating on interior cover 1 to and be used for with sealed muscle 2 complex sealed thermal-insulated mechanism, wherein, the concrete content of this sealed thermal-insulated mechanism is the same with above-mentioned relevant content, and the here is no longer repeated.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a sealed heat-proof mechanism, include door circle (3), set up in sealing washer (4) on door circle (3) inner wall, its characterized in that, the anchor ring (4 a) epirelief towards inner tube cover (1) of sealing washer (4) is equipped with at least round sealed ring limit (5), with anchor ring (4 a) compress tightly during sealed muscle (2) on inner tube cover (1) the side of sealed muscle (2).
2. The mechanism according to claim 1, characterized in that said sealing rim (5) is provided with a ring and is located in the radially outer zone of said annular surface (4 a) for pressing against the outer lateral surface of said sealing rib (2).
3. The sealing and heat-insulating mechanism according to claim 1, characterized in that the sealing ring edge (5) is provided with a circle and is located in a radial inner ring area of the ring surface (4 a) for pressing the inner side surface of the sealing rib (2).
4. The mechanism according to claim 1, characterized in that the sealing ring (5) is provided with two rings and is located in the radial outer ring and radial inner ring areas of the ring surface (4 a) respectively for pressing against the outer side and inner side of the sealing rib (2).
5. The sealing and heat insulating mechanism according to any one of claims 1 to 4, characterized in that a pressing surface of the sealing ring edge (5) facing the side of the sealing rib (2) is an inclined surface (5 a), and the sealing ring edge (5) has elasticity to press the side of the sealing rib (2) by elastic deformation when the inclined surface (5 a) abuts against the front end of the sealing rib (2).
6. The mechanism according to claim 5, characterized in that the inclination between said inclined surface (5 a) and said annular surface (4 a) is in the interval [80 °,90 °).
7. The sealing and heat-insulating mechanism according to claim 6, characterized in that the end surface of the sealing ring edge (5) facing the inner cylinder cover (1) is provided with a guide notch edge (5 b) to guide the relative movement of the sealing rib (2) when the sealing rib (2) and the sealing ring (4) approach each other.
8. The mechanism according to claim 7, characterized in that the angle of inclination between said guide notch (5 b) and said annular surface (4 a) is smaller than the angle of inclination between said inclined surface (5 a) and said annular surface (4 a).
9. The sealing and heat-insulating mechanism according to claim 1, characterized in that a cavity (6) is formed in the sealing ring (4) and/or the sealing ring edge (5) to reduce weight and improve elasticity.
10. A dryer, comprising an inner cylinder cover (1), a sealing rib (2) protruding on the inner cylinder cover (1), and a sealing and heat-insulating mechanism for cooperating with the sealing rib (2), wherein the sealing and heat-insulating mechanism is specifically the sealing and heat-insulating mechanism of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221575042.4U CN217781537U (en) | 2022-06-22 | 2022-06-22 | Sealing and heat insulating mechanism and dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221575042.4U CN217781537U (en) | 2022-06-22 | 2022-06-22 | Sealing and heat insulating mechanism and dryer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217781537U true CN217781537U (en) | 2022-11-11 |
Family
ID=83936791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221575042.4U Active CN217781537U (en) | 2022-06-22 | 2022-06-22 | Sealing and heat insulating mechanism and dryer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217781537U (en) |
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2022
- 2022-06-22 CN CN202221575042.4U patent/CN217781537U/en active Active
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