CN112481966B - Sealing device for roller dryer - Google Patents
Sealing device for roller dryer Download PDFInfo
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- CN112481966B CN112481966B CN202011204472.0A CN202011204472A CN112481966B CN 112481966 B CN112481966 B CN 112481966B CN 202011204472 A CN202011204472 A CN 202011204472A CN 112481966 B CN112481966 B CN 112481966B
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- passive
- bag
- sealing
- ring
- roller
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F58/00—Domestic laundry dryers
- D06F58/02—Domestic laundry dryers having dryer drums rotating about a horizontal axis
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F58/00—Domestic laundry dryers
- D06F58/02—Domestic laundry dryers having dryer drums rotating about a horizontal axis
- D06F58/04—Details
Abstract
The invention discloses a sealing device of a roller clothes dryer, which relates to the technical field of clothes dryers and comprises a sealing gasket, a sealing gasket and a sealing ring, wherein the sealing gasket is in sealing contact with an annular bulge at the rear end part of a roller of the clothes dryer; the first fixing ring is fixedly connected and installed on the inner side of the rolling support plate of the rear shell of the clothes dryer; one side of the passive vibration attenuation bag is fixedly connected to the first fixing ring, the other side of the passive vibration attenuation bag is fixedly connected with one side, far away from the roller, of the sealing gasket, and a flowing vibration attenuation medium is arranged in a cavity inside the passive vibration attenuation bag; the compensation mechanism is arranged on the first fixing ring, is communicated with the passive damping bag and is assembled to be capable of automatically and adaptively filling or draining the corresponding volume of damping medium into the cavity of the passive damping bag when the volume of the cavity inside the passive damping bag is changed. The passive vibration damping bag and the internal vibration damping medium thereof are matched with the upper compensation mechanism, so that the roller can always keep sealing contact with the sealing gasket when rotating and vibrating, and the abrasion of the sealing gasket is compensated.
Description
Technical Field
The invention relates to the technical field of clothes dryers, in particular to a sealing device of a roller clothes dryer.
Background
The clothes dryer is characterized in that the clothes are quickly dried by raising the temperature, lowering the temperature, increasing the air flow speed and expanding the evaporation area, and the circulating hot air is used for condensing water vapor evaporated from clothes into water through a condenser and then discharging the water from the clothes dryer. This requires a sealing means between the hot air duct system of the dryer and the drum to minimize the loss of heat from the circulating hot air stream.
If the publication number is CN103882661B, publication date is 2018, 2, 23, and the applicant is Qingdao Haier washing machine Co., Ltd, the invention patent named as 'a dryer roller sealing device and dryer' is a dryer roller sealing device, which is arranged between the rear end of a dryer roller and the inner side wall of a roller supporting plate of a dryer rear shell and comprises an annular sealing felt and an annular rubber pad, the sealing felt is arranged between the rubber pad and the rear end of the roller, the sealing device is also provided with an elastic buffer component which is arranged between the inner side wall of the roller supporting plate of the rear shell of the clothes dryer and the rubber pad and is connected with the inner side wall of the roller supporting plate of the rear shell of the clothes dryer. The elastic buffer component is arranged, the rubber pad can be supported, the sealing felt is always contacted with the rear end part of the roller in the rotating process of the roller, and the impact of the roller on the shell of the clothes dryer is buffered.
In the prior art, the roller generates radial and axial displacement due to rotation, the sealing felt and the rubber pad are always connected with the rear end part of the roller of the clothes dryer under the support of the annular sponge, and because the contact between the roller and the sealing felt has rotational friction, the elasticity of the annular sponge and the rubber pad to the sealing felt can be too large, but the roller of the clothes dryer can generate non-radial and axial vibration offset during rotation, namely the axis when the roller is offset is not coincident or parallel with the axis under normal state, even if the elastic support of the annular sponge and the rubber pad is provided, one part of the sealing felt can still be in close contact with the roller at the moment, the abrasion of the sealing felt is increased, the rotation resistance of the roller is increased, the energy consumption of a motor for driving the roller to rotate is increased, the other part of the sealing felt is in loose contact with the roller and even is separated from the contact, and the condition of hot air leakage in a hot air channel occurs, affecting the clothes drying effect.
Disclosure of Invention
The invention aims to provide a sealing device of a roller dryer, which aims to solve the defects in the prior art.
In order to achieve the above purpose, the invention provides the following technical scheme:
a sealing device of a roller dryer comprises a shell and a roller, wherein a sealing mechanism is arranged between the shell and the roller, and the sealing mechanism comprises a sealing gasket which is in sealing contact with an annular bulge at the rear end part of the roller of the dryer; a first fixing ring fixedly connected to the inner side of the rolling support plate of the rear case of the clothes dryer; one side of the passive vibration attenuation bag is fixedly connected to the first fixing ring, the other side of the passive vibration attenuation bag is fixedly connected with one side, far away from the roller, of the sealing gasket, and a flowing vibration attenuation medium is arranged in a cavity inside the passive vibration attenuation bag; the compensation mechanism is arranged on the first fixing ring, is communicated with the passive damping bag and is assembled to be capable of automatically and adaptively filling or draining the corresponding volume of damping medium into the cavity of the passive damping bag when the volume of the cavity inside the passive damping bag is changed.
Further, the sealing gasket is a flexible piece, the shape of the sealing gasket is matched with that of the annular protrusion, and the sealing gasket completely covers the annular protrusion.
Furthermore, the passive vibration damping bag is in a hollow ring shape, and the cross section of the passive vibration damping bag in a natural expansion state is circular.
Further, first solid fixed ring includes the first annular portion with backup pad fixed connection to and with passive form damping bag fixed connection's second annular portion, be provided with a plurality of interval adjustment subassemblies between first annular portion and the second annular portion, fixed connection at least one sealed tube that can follow the axial and stretch out and draw back between first annular portion and the second annular portion.
Furthermore, one side of the second annular part, which is far away from the first annular part, is provided with an annular semicircular groove, and one side of the passive vibration damping bag is fixed in the semicircular groove.
Further, each of the spacing adjustment assemblies includes a first connection ring fixedly connected to an outer circumferential side surface or an inner circumferential side surface of the first annular portion, a second connection ring, a bolt, and two nuts; the second connecting ring is fixedly connected to the outer peripheral side surface or the inner peripheral side surface of the second annular portion and corresponds to the first connecting ring, the bolt penetrates through the first connecting ring and the second connecting ring, and the distance between the first connecting ring and the second connecting ring is adjusted and fixed through the two nuts.
Further, the compensation mechanism comprises a storage pipe, a piston and an elastic unit, the storage pipe is fixed on the first fixing ring through a connecting pipe and is communicated with the inner cavity of the passive vibration damping bag, the piston is arranged in the storage pipe in a sliding mode, the interior of the storage pipe is divided into a first cavity and a second cavity by the piston, the first cavity is communicated with the passive vibration damping bag, the interior of the first cavity is filled with vibration damping media, and the second cavity is internally provided with the elastic unit which enables the piston to move towards the passive vibration damping bag.
Further, the second chamber is a non-sealing chamber, and the elastic unit is a pressure spring.
In the technical scheme, when the roller dryer sealing device provided by the invention generates vibration deviation in the rotation process of the roller, the passive vibration damping bag and the internal vibration damping medium thereof are matched with the upper compensation mechanism, so that the vibration damping effect on the roller can be realized, and particularly when the roller generates non-radial and axial vibration excursion, the fluid damping medium flows in the passive damping bag, one part of the flexible sealing pad which is extruded by the roller close to the passive damping bag is pressed by the passive damping bag, the fluid damping medium in the pressed part of the passive damping bag flows to the other part of the passive damping bag, therefore, the other part of the passive vibration damping bag swells towards the roller, thereby not only playing a vibration damping effect, but also avoiding the condition that one part of the sealing gasket is closely contacted with the roller, and the other part of the sealing gasket is contacted with the roller and is loosened or even separated from the contact, reducing the abrasion of the sealing gasket and simultaneously preventing hot airflow in the hot air channel from leaking; and after the sealing gasket is worn, the compensation mechanism can also supplement media into the passive vibration damping bag, so that the swelling amplitude of the passive vibration damping bag is increased to compensate the wear of the sealing gasket.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
FIG. 1 is a schematic structural diagram of a sealing mechanism according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a sealing mechanism according to an embodiment of the present invention;
FIG. 3 is an enlarged view of the structure A of FIG. 2 according to an embodiment of the present invention;
FIG. 4 is an enlarged view of the structure B in FIG. 3 according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a compensation mechanism according to an embodiment of the present invention;
FIG. 6 is an exploded view of a structure provided by an embodiment of the present invention;
FIG. 7 is a schematic view of a dryer apparatus according to an embodiment of the present invention;
FIG. 8 is a schematic structural diagram of a wall-hanging mechanism according to an embodiment of the present invention;
FIG. 9 is a top view I of a wall hanging mechanism according to an embodiment of the present invention;
FIG. 10 is a cross-sectional view taken along the line C-C of FIG. 9 according to an embodiment of the present invention;
FIG. 11 is an enlarged view of the mechanism of FIG. 10 at E in accordance with an embodiment of the present invention;
fig. 12 is a schematic structural view ii of a wall hanging mechanism according to an embodiment of the present invention;
FIG. 13 is a top view II of a wall hanging mechanism configuration provided by an embodiment of the present invention;
FIG. 14 is a cross-sectional view taken along line D-D of FIG. 13 according to an embodiment of the present invention;
FIG. 15 is an exploded view of a wall-mounted mechanism according to an embodiment of the present invention;
fig. 16 is an exploded view ii of a wall-hanging mechanism structure according to an embodiment of the present invention.
Description of reference numerals:
1. a gasket; 2. a first retaining ring; 2.1, a first annular portion; 2.2, a second annular portion; 2.21, a semicircular groove; 2.3, a spacing adjustment assembly; 2.31, a first connecting ring; 2.32, a second connection ring; 2.33, bolts; 2.34, a nut; 2.4, sealing the tube; 3. a passive damping bladder; 4. a vibration damping medium; 5. a compensation mechanism; 5.1, a storage tube; 5.2. a piston; 5.3, connecting pipes; 5.4, pressing a spring; 5.5, high-pressure gas; 6. a drum; 7. installing a base; 8. a round bar body; 9. a rubber block; 10. a skeletal assembly; 10.1, a ring network-shaped framework; 10.2, a circular net-shaped framework; 11. a second retaining ring; 11.1, an annular groove; 11.2, a radial guide groove; 11.3, grooves; 11.4, a vertical guide groove; 12. a passive connection mechanism; 12.1, a clamping groove; 12.2, triggering a disc; 12.21, a sliding rod; 12.3, bevel gear plates; 12.4, bevel gears; 12.5, a transmission component; 12.51, a second shaft lever; 12.52, gears; 12.53, a rack; 12.6, a clamping part; 12.61, sliding blocks; 12.62, a clamping head; 13. a passive adjustment mechanism; 13.1, a sphere; 13.2, a first elastic telescopic component; 13.21, a sleeve; 13.22, an inner rod; 13.23, a first elastic unit; 13.24, a slide block; 13.25, a slip ring; 14. a housing; 15. a first shaft lever; 16. and (7) turning a handle.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
Referring to fig. 1 to 16, a sealing device for a drum dryer according to an embodiment of the present invention includes a housing 14 and a drum 6, a sealing mechanism is disposed between the housing 14 and the drum 6, the sealing mechanism includes a sealing gasket 1, a first fixing ring 2, a passive damping bag 3, and a compensating mechanism 5, wherein the sealing gasket 1 is in sealing contact with an annular protrusion at a rear end of the drum 6 of the drum dryer; the first fixing ring 2 is fixedly connected and installed on the inner side of a rolling support plate of the rear shell of the clothes dryer; one side of the passive vibration attenuation bag 3 is fixedly connected to the first fixing ring 2, the other side of the passive vibration attenuation bag is fixedly connected with one side, far away from the roller 6, of the sealing gasket 1, and a flowing vibration attenuation medium 4 is arranged in a cavity inside the passive vibration attenuation bag 3; the compensating mechanism 5 is arranged on the first fixing ring 2 and is communicated with the passive damping bladder 3, and is assembled to automatically and adaptively fill or purge the corresponding volume of damping medium 4 into the cavity of the passive damping bladder 3 when the volume of the cavity inside the passive damping bladder 3 changes.
Specifically, the sealing gasket 1 is a flexible part, the shape of the sealing gasket is matched with the annular bulge, and the sealing gasket completely covers the annular bulge to play a role in sealing a hot air channel of the clothes dryer, obviously, the shape of the sealing gasket 1 is adaptively changed according to the end appearance of the roller 6, rotational friction exists between the sealing gasket 1 and the annular bulge of the roller 6, the first fixing ring 2 is fixedly arranged at the inner side of a supporting plate of the roller 6 of a rear shell of the clothes dryer, the first fixing ring 2 is in sealing connection with the supporting plate, the passive vibration damping bag 3 is fixed on the first fixing ring 2, one side far away from the first fixing ring 2 is fixedly connected with the sealing gasket 1, during assembly, the passive vibration damping bag 3 is extruded by the roller 6 and the sealing gasket 1 to be crescent, and the vibration damping medium with fluidity is placed in the passive vibration damping bag 3 to inflate the passive vibration damping bag 3 in a drum manner, so that the sealing gasket 1 can be tightly attached to and wrap the annular bulge of the roller 6; when the roller 6 presses the sealing gasket 1, the damping medium in the passive damping bag 3 can absorb shock by itself and can be partially guided into the compensating mechanism 5 to compare the extrusion friction force between the sealing gasket 1 and the roller 6, when the roller 6 is far away from the sealing gasket 1, the compensating mechanism 5 can quickly guide the damping medium into the passive damping bag 3 to prevent the air leakage phenomenon between the sealing gasket 1 and the roller 6, and further, when the sealing gasket 1 is worn and thinned by itself, the compensating mechanism 5 also guides the damping medium into the passive damping bag 3 to compensate the worn part of the sealing gasket 1 so as to ensure the sealing effect.
The invention provides a sealing device of a roller dryer, when vibration excursion is generated in the rotation process of a roller 6, a passive vibration attenuation bag 3 and a vibration attenuation medium in the passive vibration attenuation bag are matched with an upper compensation mechanism 5, so that the vibration attenuation effect can be realized on the roller 6, especially when the non-radial and axial vibration excursion is generated on the roller 6, the vibration attenuation medium with fluidity flows in the passive vibration attenuation bag 3, one part of a flexible sealing gasket 1 which is close to and extruded by the roller 6 presses the passive vibration attenuation bag 3, the vibration attenuation medium with fluidity in the vicinity of the passive vibration attenuation bag 3 which is pressed flows to the other part of the passive vibration attenuation bag 3, so that the other part of the passive vibration attenuation bag 3 expands towards the roller 6, the vibration attenuation effect is realized, the condition that one part of the sealing gasket 1 is tightly contacted with the roller 6 and the other part is contacted with the roller 6 and is loosened or even separated from the contact is avoided, the abrasion of the sealing gasket 1 is reduced, and meanwhile, hot air flow in the hot air channel cannot be leaked; and the compensation mechanism 5 can also supplement media into the passive damping bag 3 after the sealing gasket 1 is worn, so that the inflation range of the passive damping bag 3 is increased to compensate the wear of the sealing gasket 1.
As a preferred embodiment of the present invention, the passive damping bladder 3 has a hollow ring shape, and its cross section in a naturally expanded state is circular.
Referring to fig. 3, in another embodiment of the present invention, the first fixing ring 2 includes a first annular portion 2.1 fixedly connected to the support plate and a second annular portion 2.2 fixedly connected to the passive damping bladder 3, a plurality of distance adjusting assemblies 2.3 are disposed between the first annular portion 2.1 and the second annular portion 2.2, at least one layer of sealing tube 2.4 capable of axially extending and contracting is fixedly connected between the first annular portion 2.1 and the second annular portion 2.2, the sealing tube 2.4 seals a gap between the first annular portion 2.1 and the second annular portion 2.2 to prevent hot air in the hot air duct from flowing to the outside, and the sealing tube 2.4 is formed by stacking flexible members of tubular leather or rubber so as to axially extend and contract when a distance between the first annular portion 2.1 and the second annular portion 2.2 changes; the interval between the 2.4 parts of the sealing pipe which can stretch out and draw back along the axial direction can be adjusted through the interval adjusting component 2.3, and the abutting degree between the end parts of the sealing gasket 1 and the roller 6 can be adjusted when the sealing gasket 1 is assembled or replaced conveniently.
Furthermore, an annular semicircular groove 2.21 is formed in one side, away from the first annular part 2.1, of the second annular part 2.2, and one side of the passive vibration damping bag 3 is fixed in the semicircular groove 2.21.
Referring to fig. 4, as a preferred technical solution of the present embodiment, further, each distance adjusting assembly 2.3 includes a first connecting ring 2.31, a second connecting ring 2.32, a bolt 2.33, and two nuts 2.34, the first connecting ring 2.31 is fixedly connected to the outer peripheral side surface or the inner peripheral side surface of the first annular portion 2.1; the second connection ring 2.32 is fixedly connected to the outer or inner peripheral side of the second annular portion 2.2 and corresponds to the first connection ring 2.31, the bolt 2.33 passes through the first connection ring 2.31 and the second connection ring 2.32, and the distance between the first connection ring 2.31 and the second connection ring 2.32 is adjusted and fixed by two nuts 2.34.
Referring to fig. 3, in another embodiment of the present invention, the compensating mechanism 5 includes a reserve tube 5.1, a piston, and an elastic unit, wherein the reserve tube 5.1 is connected to the piston through a connection tube 5.2; 5.3 is fixed on the first fixing ring 2 and is communicated with the inner cavity of the passive damping bag 3, a piston is arranged in the storage tube 5.1 in a sliding manner, the piston divides the interior of the storage tube 5.1 into a first cavity and a second cavity, the first cavity is communicated with the passive damping bag 3 and is filled with damping medium 4, and an elastic unit which enables the piston to move towards the passive damping bag 3 is arranged in the second cavity; the internal cavity of the passive damping bag 3 is influenced by the vibration of the roller 6, when the volume of the cavity tends to increase or changes, the extrusion piston of the elastic unit moves to lead the damping medium in the first cavity into corresponding volume to be filled in the passive damping bag 3, when the volume of the cavity tends to decrease or changes, the excessive damping medium in the passive damping bag 3 is led into the first cavity, the piston moves towards the second cavity to enlarge the first cavity to accommodate the damping medium led from the passive damping bag 3, and at the moment, the elastic unit can be further pressed.
Referring to fig. 3, as a preferred technical solution of this embodiment, further, the second chamber is a non-sealed chamber, and the elastic unit is a pressure spring 5.4.
Referring to fig. 5, as a preferred technical solution of this embodiment, further, the second chamber is a sealed chamber, and the elastic unit is high-pressure gas 5.5.
In another embodiment of the present invention, referring to fig. 7-16, the dryer housing 14 is further provided with at least two wall hanging mechanisms for hanging the dryer on a fixed base, which is a structure capable of fixing the dryer at a certain height position, such as a rack structure used in a laundry or a drying shop for stacking multiple layers of dryers.
Specifically, this a wall built-up mechanism for dryer, including the installation base 7 of connecting the mounting bracket, connect the body of rod 8 of dryer, be provided with the block rubber 3 on the installation base 7, the inside of block rubber 3 is provided with skeleton component 10, and the inboard of block rubber 3 is provided with the solid fixed ring of second 11, is provided with passive form coupling mechanism 12 in the solid fixed ring of second 11, and passive form coupling mechanism 12 includes: the clamping device comprises a clamping groove 12.1, a trigger disc 12.2, a bevel gear disc 12.3, a bevel gear 12.4, a transmission component 12.5 and a plurality of clamping parts 12.6, wherein the clamping groove 12.1 is used for passively clamping a round rod body 8; the trigger disc 12.2 is movably arranged in the clamping groove 12.1 along the vertical direction; an annular groove 11.1 is formed in the ring body of the second fixing ring 11, a bevel gear disc 12.3 is rotatably connected with the inner annular groove 11.1 on the second fixing ring 11, a circle of bevel gears are arranged at the bottom of the bevel gear disc 12.3, and a plane thread is arranged at the top of the bevel gear disc; the bevel gear 12.4 is rotatably arranged in the annular groove 11.1 of the second fixing ring 11 and is meshed with the bevel teeth of the bevel gear disc 12.3; the transmission component 12.5 converts the linear motion of the trigger disc 12.2 into the self-rotation of the bevel gear 12.4; a plurality of radial guide grooves 11.2 are radially formed in the second fixing ring 11, each clamping portion 12.6 is in one-to-one corresponding sliding fit with each radial guide groove 11.2, threads are arranged at the bottom of each clamping portion 12.6 to be respectively meshed with the plane threads of the bevel gear disc 12.3, and the clamping portions 12.6 receive the driving of the rotating disc to move along the radial guide grooves 11.2. The rubber block 3 is wrapped on the peripheral side face and the bottom of the second fixing ring 11 and used for fixing the second fixing ring 11 on the installation base 7 and playing a role in shock absorption and buffering, the framework component 10 is embedded in the rubber block 3 and used for supporting the integral structure of the rubber block 3, and when the rubber block 3 excessively deforms, the framework component 10 can increase the connection strength between the second fixing ring 11 and the installation base 7; the bevel gear plate 12.3 is rotatably connected in the annular groove 11.1 of the second fixing ring 11, that is, a rotating structure, such as a circular sliding groove or a sliding edge, is arranged inside the annular groove 11.1, and the bevel gear plate 12.3 is provided with a structure matched with the rotating structure, such as the matching of the sliding edge and the sliding groove, or other sliding or rolling matching structures in the prior art; the bevel gear 12.4 is rotatably arranged in the annular groove 11.1 of the second fixing ring 11, and the specific mode can be that a circular groove is formed on the inner wall of the annular groove 11.1, a rotating ring matched with the circular groove is arranged at the end part of the bevel gear 12.4, the bevel gear 12.4 is arranged on the second fixing ring 11 in a sliding manner by matching the rotating ring and the circular groove, or other sliding or rolling matching structures in the prior art; the transmission component 12.5 converts the linear motion of the trigger disc 12.2 in the vertical direction into the self-rotation of the bevel gear 12.4, and specifically, the transmission component can be matched with a rack and a gear or other structures which convert the linear motion into rotation in the prior art; the trigger disc 12.2 is arranged to slide downwards along the second fixing ring 11, and the second fixing ring 11 is provided with a sliding structure, such as a vertical sliding groove or a sliding edge, while the trigger disc 12.2 is provided with a structure matched with the sliding structure, such as the matching of the sliding groove and a sliding block 13.24, the trigger disc 12.2 slides to enable a bevel gear 12.4 to rotate by a transmission component 12.5, the bevel gear 12.4 is meshed with a bevel gear disc 12.3 to enable the bevel gear disc 12.3 to rotate, and the clamping part 12.6 is in threaded action with the clamping part 12.6 to enable the clamping part 12.6 to move along the radial direction of the second fixing ring 11.
According to the wall-mounted mechanism provided by the invention, the round rod body 8 on the clothes dryer is inserted into the clamping parts 12.6 in the clamping groove 12.1, the triggering disc 12.2 is pressed down in the downward inserting process of the round rod body 8, the triggering disc 12.2 drives the bevel gear 12.4 to rotate through the transmission component 12.5 in the downward moving process, the bevel gear 12.4 drives the bevel gear disc 12.3 to rotate, and each clamping part 12.6 moves to the center of the clamping groove 12.1 along the radial guide groove 11.2 through being in threaded fit with the bevel gear disc 12.3, so that the round rod body 8 is clamped and is matched with the rubber block 3 and the framework component 10 to fix the clothes dryer on the mounting base 7, and meanwhile, the vibration damping effect is achieved, and the use is very convenient.
In another embodiment provided by the invention, the wall hanging mechanism further comprises a first shaft rod 15 penetrating through the rubber block 3 and the second fixing ring 11, one end of the first shaft rod 15 is coaxially and fixedly connected with a bevel gear 12.4, the other end of the first shaft rod is fixedly connected with a rotating handle 16, when the clamping part 12.6 clamps the round rod body 8, the trigger disc 12.2 is positioned at the bottom of the clamping groove 12.1, when the round rod body 8 does not apply vertical downward force to the trigger disc 12.2 any more, the bevel gear 12.4 is rotated by rotating the rotating handle 16, on one hand, the trigger disc 12.2 can be moved upwards to the notch of the clamping groove 12.1 through reverse transmission of the clamping component, and on the other hand, the clamping part 12.6 can be moved towards the direction far away from the center of the clamping groove 12.1 through transmission of the bevel gear disc 12.3, so that clamping on the round rod body 8 is loosened.
In still another embodiment of the present invention, the frame assembly 10 includes a ring-shaped frame 10.1 and a circular mesh-shaped frame 10.2, the ring-shaped frame 10.1 is embedded in the rubber block 3 at the peripheral side of the second fixing ring 11, the circular mesh-shaped frame 10.2 is embedded in the rubber block 3 at the bottom of the second fixing ring 11, the end of the ring-shaped frame 10.1 is fixedly connected to the mounting base 7, or the circular mesh-shaped frame 10.2 is fixedly connected to the mounting base 7, so that the rubber block 3 can be more stably disposed on the mounting base 7, and the frame assembly 10 can prevent the rubber block 3 from being excessively deformed, so that the rubber block 3 is more easily recovered after being elastically deformed, and the frame assembly 10 cooperates with the rubber block 3, so that the vibration generated during the operation of the clothes dryer can be more easily dissolved.
Still include a plurality of passive form adjustment mechanism 13, each passive form adjustment mechanism 13 all includes universal head and the first flexible telescopic component 13.2 that is connected, and universal head swing joint is on the solid fixed ring 11 of second, and first flexible telescopic component 13.2 passes block rubber 3 and rigid coupling on skeleton subassembly 10.
In still another embodiment of the present invention, when the vibration generated by the operation of the clothes dryer is transmitted to the second fixing ring 11 of the passive connection mechanism 12, during the process of absorbing the vibration through the rubber block 3 and the skeleton assembly 10, the second fixing ring 11 will undergo vibration excursion relative to the skeleton assembly 10 fixed on the mounting base 7, and once the excursion is too large, the rubber block 3 will be excessively deformed, so that the structure of the rubber block 3 is damaged and difficult to reset, therefore, the wall hanging mechanism further comprises a plurality of passive adjustment mechanisms 13, each passive adjustment mechanism 13 comprises a universal head and a first elastic expansion assembly 13.2 connected with each other, the universal head is movably connected to the second fixing ring 11, the first elastic expansion assembly 13.2 passes through the rubber block 3 and is fixedly connected to the skeleton assembly 10, or the universal head of the passive adjustment mechanism 13 is movably connected to the skeleton assembly 10, the first elastic expansion assembly 13.2 is fixedly connected to the second fixing ring 11, realize promptly that passive form adjustment mechanism 13 at least one end relative second fixed ring 11 or skeleton subassembly 10 swing joint can, passive form adjustment mechanism 13 can restrict the vibration excursion range of the relative skeleton subassembly 10 of the fixed ring 11 of second under the prerequisite that does not influence the solid fixed ring 11 damping function of block rubber 3 to the second, prevent that the solid fixed ring 11 of second skew is too big to lead to the excessive deformation of block rubber 3 so that 3 structural damage of block rubber is difficult to reset, play the guard action to block rubber 3, the damping effect also can be better.
Specifically, the second fixing ring 11 is provided with a spherical groove 11.3, and the universal head is a first sphere 13.1 rotatably arranged in the groove 11.3, so that the first sphere 13.1 can rotate in each direction in the groove 11.3 to correspond to the vibration deviation of the second fixing ring 11.
Specifically, the first elastic telescopic component 13.2 includes a sleeve 13.21, an inner rod 13.22 and a first elastic unit 13.23, the sleeve 13.21 is fixedly connected to the framework component 10, one end of the inner rod 13.22 is connected to the first sphere 13.1, the other end of the inner rod 13.22 is slidably sleeved in the sleeve 13.21 through a slider 13.24, that is, the inner rod 13.22 is slidably disposed relative to the sleeve 13.21, two ends of the first elastic unit 13.23 are respectively connected to the sleeve 13.21 and the inner rod 13.22, the first elastic unit 13.23 may be a spring, when the second fixing ring 11 vibrates to cause the inner rod 13.22 and the sleeve 13.21 to slide relative to each other, the first elastic unit 13.23 may be elastically deformed, such as elastic stretching or elastic compression of the spring, and the elastic deformation may cause the inner rod 13.22 and the sleeve 13.21 to quickly return after the relative sliding occurs, and may also buffer the vibration of the second fixing ring 11, thereby achieving a vibration damping effect.
As a further optimization scheme of the above embodiment, one end of the sleeve 13.21 overlapping the inner rod 13.22 is fixedly connected with a slip ring 13.25, the slip ring 13.25 is in sliding contact with the inner rod 13.22, a first elastic unit 13.23 is fixedly connected between the slip ring 13.25 and the slider 13.24, and another first elastic unit 13.23 is fixedly connected between the slider 13.24 and one end of the sleeve 13.21 far away from the inner rod 13.22, so that when the second fixing ring 11 vibrates to cause the relative sliding between the inner rod 13.22 and the sleeve 13.21, the two first elastic units 13.23 are elastically deformed, such as elastic stretching of one of the springs and elastic compression of the other spring, the elastic deformation can enable the inner rod 13.22 and the sleeve 13.21 to quickly reset after the relative sliding occurs, and can also buffer the vibration of the second fixing ring 11, thereby achieving a vibration damping effect.
In another preferred embodiment provided by the invention, a plurality of sliding rods 12.21 are arranged on the outer side surface of the trigger disc 12.2, a plurality of vertical guide grooves 11.4 are formed on the inner wall of the second fixing ring 11, and one end of each sliding rod 12.21 far away from the trigger disc 12.2 is in one-to-one corresponding sliding connection with each vertical guide groove 11.4, so that the trigger disc 12.2 vertically slides in the clamping groove 12.1.
The transmission assembly 12.5 comprises a second shaft rod 12.51, a gear 12.52 and a rack 12.53, one end of the second shaft rod 12.51 penetrates through an annular groove 11.1 of the second fixing ring 11 to be coaxially and fixedly connected with an inner bevel gear 12.4, the other end of the second shaft rod is positioned in a clamping groove 12.1 and coaxially and fixedly connected with the gear 12.52, the top of the rack 12.53 is fixedly connected to a sliding rod 12.21, or the top of the rack 12.53 is fixedly connected to a trigger disc 12.2, so that the rack 12.53 can synchronously move along with the trigger disc 12.2, the rack 12.53 is meshed and matched with the gear 12.52, when the trigger disc 12.2 vertically moves, the rack 12.53 is driven to vertically move, the rack 12.53 is meshed and matched with the gear 12.52 to drive the gear 12.52 to rotate, and the gear 12.52 enables the bevel gear 12.4 to rotate through the second shaft rod 12.51; conversely, the bevel gear 12.4 is driven to rotate, the bevel gear 12.4 drives the gear 12.52 to rotate through the second shaft rod 12.51, the gear 12.52 is meshed with the rack 12.53 to enable the rack 12.53 to vertically move, and the rack 12.53 drives the trigger disc 12.2 to vertically move.
Clamping part 12.6 includes sliding block 12.61, sliding block 12.61 and the solid fixed ring of second 11 sliding fit and with bevel gear dish 12.3 thread engagement, bevel gear dish 12.3 rotate and to drive sliding block 12.61 along radial guide way 11.2 removal, the one end that sliding block 12.61 is located joint groove 12.1 is provided with clamping head 12.62, clamping head 12.62 is the arc with the equal diameter of the body of rod 8, when each sliding block 12.61 moves along radial guide ring to joint groove 12.1 center, can drive clamping head 12.62 and press from both sides tight body of rod 8 between two parties.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and are not to be construed as limiting the scope of the invention.
Claims (8)
1. A sealing device for a drum dryer comprises a shell and a drum, wherein a sealing mechanism is arranged between the shell and the drum, and the sealing mechanism is characterized by comprising:
a gasket in sealing contact with the annular protrusion of the rear end of the drum of the dryer;
a first fixing ring fixedly installed at an inner side of a drum supporting plate of a rear case of the dryer;
one side of the passive vibration attenuation bag is fixedly connected to the first fixing ring, the other side of the passive vibration attenuation bag is fixedly connected with one side, far away from the roller, of the sealing gasket, and a flowing vibration attenuation medium is arranged in a cavity inside the passive vibration attenuation bag;
the compensation mechanism is arranged on the first fixing ring, is communicated with the passive damping bag and is assembled to be capable of automatically and adaptively filling or draining damping media into the cavity of the passive damping bag when the volume of the cavity inside the passive damping bag is changed;
first solid fixed ring include with backup pad fixed connection's first annular portion to and with passive form damping bag fixed connection's second annular portion, be provided with a plurality of interval adjusting part between first annular portion and the second annular portion, the flexible sealed tube of axial can be followed to the at least one deck of fixed connection between first annular portion and the second annular portion.
2. The sealing device of claim 1, wherein the sealing pad is a flexible member having a shape corresponding to the annular protrusion and completely covering the annular protrusion.
3. The sealing device of a drum dryer according to claim 1, wherein the passive damping bladder is in the form of a hollow ring with a circular cross-section in its naturally expanded state.
4. The sealing device of the roller dryer of claim 1, wherein a side of the second annular portion away from the first annular portion is formed with an annular semicircular groove, and a side of the passive damping bladder is fixed in the semicircular groove.
5. The drum dryer sealing device according to claim 1, wherein each of the distance adjustment assemblies includes a first connection ring fixedly connected to an outer circumferential side surface or an inner circumferential side surface of the first annular portion, a second connection ring, a bolt, and two nuts; the second connecting ring is fixedly connected to the outer peripheral side surface or the inner peripheral side surface of the second annular portion and corresponds to the first connecting ring, the bolt penetrates through the first connecting ring and the second connecting ring, and the distance between the first connecting ring and the second connecting ring is adjusted and fixed through the two nuts.
6. The sealing device of a drum dryer according to claim 1, wherein the compensating mechanism comprises a reserve tube, a piston and an elastic unit, the reserve tube is fixed on the first fixing ring through a connecting tube and is communicated with the inner cavity of the passive damping bag, a piston is slidably arranged in the reserve tube, the piston divides the inner part of the reserve tube into a first chamber and a second chamber, the first chamber is communicated with the passive damping bag and is internally filled with damping medium, and the second chamber is internally provided with an elastic unit which enables the piston to move towards the passive damping bag.
7. The drum dryer seal arrangement of claim 6, wherein the second chamber is a non-sealed chamber and the resilient unit is a compression spring.
8. The sealing device of a drum dryer according to any one of claims 1-7, characterized in that the housing is provided with at least two wall hanging mechanisms for hanging the housing of the drum dryer on a fixed base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011204472.0A CN112481966B (en) | 2020-11-02 | 2020-11-02 | Sealing device for roller dryer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011204472.0A CN112481966B (en) | 2020-11-02 | 2020-11-02 | Sealing device for roller dryer |
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| CN112481966A CN112481966A (en) | 2021-03-12 |
| CN112481966B true CN112481966B (en) | 2022-08-26 |
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| KR950033383A (en) * | 1994-04-30 | 1995-12-26 | 토시미 쿠마 | Method and apparatus for low temperature rapid dehydration drying by high speed fluid |
| CN203113115U (en) * | 2012-12-20 | 2013-08-07 | 海尔集团公司 | Drum sealing device of clothes dryer and clothes dryer |
| CN206570578U (en) * | 2017-01-10 | 2017-10-20 | 上海小吉互联网科技有限公司 | A kind of dryer |
| CN206579559U (en) * | 2017-03-28 | 2017-10-24 | 吉林大学 | A kind of pneumatic vibration damping connection device of car exterior mirror |
| WO2018171705A1 (en) * | 2017-03-23 | 2018-09-27 | 青岛海尔洗衣机有限公司 | Foot for household appliance, washing machine and control method therefor |
| CN208997551U (en) * | 2018-10-30 | 2019-06-18 | 河南省汇隆精密设备制造股份有限公司 | A kind of stabilizing compensation device |
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2020
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR950033383A (en) * | 1994-04-30 | 1995-12-26 | 토시미 쿠마 | Method and apparatus for low temperature rapid dehydration drying by high speed fluid |
| CN203113115U (en) * | 2012-12-20 | 2013-08-07 | 海尔集团公司 | Drum sealing device of clothes dryer and clothes dryer |
| CN206570578U (en) * | 2017-01-10 | 2017-10-20 | 上海小吉互联网科技有限公司 | A kind of dryer |
| WO2018171705A1 (en) * | 2017-03-23 | 2018-09-27 | 青岛海尔洗衣机有限公司 | Foot for household appliance, washing machine and control method therefor |
| CN206579559U (en) * | 2017-03-28 | 2017-10-24 | 吉林大学 | A kind of pneumatic vibration damping connection device of car exterior mirror |
| CN208997551U (en) * | 2018-10-30 | 2019-06-18 | 河南省汇隆精密设备制造股份有限公司 | A kind of stabilizing compensation device |
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| CN112481966A (en) | 2021-03-12 |
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