CN101158102B

CN101158102B - Clutch type water sealing mechanism for case-barrel syncretic unapertured water-conservation washing machine

Info

Publication number: CN101158102B
Application number: CN2007101650933A
Authority: CN
Inventors: 宋莉芳
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-11-13
Filing date: 2007-11-13
Publication date: 2011-05-18
Anticipated expiration: 2027-11-13
Also published as: CN101158102A

Abstract

The invention relates to a water sealing mechanism, in particular to an on-off water sealing mechanism that is used in a shell-barrel and nonporous water saving washing machine. Aiming at the working characteristic of the shell-barrel and nonporous water saving washing machine, the invention makes a reference to the advantages and disadvantages of the prior art, adopting a controlled on-off method, provides the water sealing mechanism that a water seal loses contact with a sliding ring during centrifugal dewatering working period of the washing machine, but the water seal and the sliding ring are reset to seal during the working period of water injecting, washing and water discharge; meanwhile, the water seal and the sliding ring are designed in a same vibration system with a moving coasting body of the washing machine, thus causing the water seal and the sliding ring to meet the water sealing requirement of the washing machine and avoiding severely flexing and twisting and sliding wear working condition as well; the invention accomplishes the goals of prolonging the service life of a rubber seal element and avoiding the dehydration of the shell-barrel and nonporous water saving washing machine.

Description

The clutch type water sealing mechanism of case-barrel syncretic unapertured water-conservation washing machine

Technical field

The present invention relates to a kind of water sealing mechanism, be meant the clutch type water sealing mechanism that is applied in a kind of case-barrel syncretic unapertured water-conservation washing machine especially.

Background technology

The water sealing mechanism of existing unapertured water-conservation washing machine is to adopt sliding friction to cooperate to reach water shutoff purpose (consulting Figure 10), promptly cooperate to come water shutoff with the rubber seal 18 of flow passage chamber madial wall on being located at outer barrel bottom by a tubulose sliding sleeve 17 that is located under the atresia dehydration bucket bottom, simultaneously, flow passage chamber reaches the purpose of controlled draining with the flexible pipe that is located under the outer barrel bottom by motor-driven valve, as the patent No.: ZL99230456.3 Chinese patent " water-saving type laundry machine ".The shortcoming of this scheme is, when washing machine when centrifugal dehydration is worked, sliding sleeve and rubber seal are in the sliding friction state, though scribble lubricating grease, but long-term high-speed slide friction, sealing ring still can fatigue wear, finally causes slurry in the atresia dehydration barrel in water filling, washing stage leak (dehydration).The shell bucket of existing shell bucket unification full-automatic impeller type washing machine is tightly connected by helical corrugation flexible rubber water sealing envelope 19 with the driving sleeve and realizes water shutoff (consulting Figure 11), reached and not only satisfied the coasting body lifting, keep away the purpose of shaking but also shell bucket and actuating sleeve sealing can be coupled together, as Chinese patent application number: 200710137234.0 " helical corrugation flexible rubber water sealing envelopes ".The shortcoming of this scheme is, when washing machine when centrifugal dehydration is worked because helical corrugation flexible rubber water sealing envelope 19 connects two different coasting bodies of washing machines, therefore to bear violent effect of bending around power, for a long time it, fatigability can take place and chap and cause leaking in rubber.

Case-barrel syncretic unapertured water-conservation washing machine is a with the novel product of unapertured water-conservation technical scheme grafting to the shell bucket unification washing machine, does not still have at present and can directly contrast the water shutoff scheme of quoting.

Summary of the invention

The present invention is directed to the work characteristics of case-barrel syncretic unapertured water-conservation washing machine, pros and cons with reference to above-mentioned existing scheme, a kind of method of controlled clutch is provided, promptly, water seal disengaged with the working hour that slides over the washing machine centrifugal dehydration, in water filling, washing, the working hour closing seam of draining, and be in the clutch type water sealing mechanism of the case-barrel syncretic unapertured water-conservation washing machine of same system (synchronous vibration) with washing machine motional inertia body, accomplish both to avoid above-mentioned violent bend around, sliding friction satisfies the water shutoff requirement again, reach the working life that prolongs rubber seal, stop the purpose of case-barrel syncretic unapertured water-conservation washing machine dehydration.

The object of the present invention is achieved like this: a kind of clutch type water sealing mechanism of case-barrel syncretic unapertured water-conservation washing machine comprises slip ring, rubber water shutoff mozzle, pressure ring, fixed rack, moving support, pull bar, spring, spring base, support, atresia dehydration barrel, drives sleeve, wherein: described slip ring be an end center that stainless steel is made be provided with flat hole and flat hole periphery around some mounting holes of arranging, the other end opens wide and outer wall is the tube of frustum; Described rubber water shutoff mozzle is that the flange mouth is arranged at the top, and the bottom is straight mouthful, and sidewall is provided with the dolioform thin wall tee rubber parts of pipeline; Described pressure ring is that both sides have the annulus of handle and two pommels to curve pipe box; Described fixed rack is to be fixed on the described support, and top side portion has the columnar plastic piece of pin-and-hole; Described moving support is that top side portion has pin-and-hole, and the working of plastics of blind screw hole is arranged at the bottom; Described pull bar is that the end that stainless steel is made has the draw ring other end that the screw rod of screw is arranged; Described spring is a turriform compression spring; Described spring base is the cup-shaped working of plastics, and bottom centre is provided with the aperture that can pass described pull bar, is fixed on the described support and the opposite of described moving support across the cover axis; Described support is suspended on the shock absorber for the steel plate of device such as carrying holding electrical etc. and four jiaos; The washing dehydration dual-purpose bucket that described atresia dehydration barrel is peripheral atresia, bottom centre is provided with the periphery in flat hole and flat hole around some mounting holes of arranging; Described driving sleeve is the power output shaft of electrical driver, and its outer shaft mouth section outer wall thread is milled is flat, and root is embedded with the hard rubber cover.

During assembling: with bearing ring seal be fixed on atresia dehydration bucket bottom center below, the awl mouth down; The upper overturning of rubber water shutoff mozzle is embedded pressure ring, the straight muzzle of bottom in the hard rubber cover outside that drives sleeve, is fixed with cranse; Link to each other with the pin-and-hole of fixed rack and moving support respectively with the pipe box of bearing pin the pressure ring pommel; Spring is packed in the spring base greatly upside down; The screw end of pull bar is penetrated and pass spring and moving frame bottom internal thread spins from the spring base bottom outlet, and its draw ring links to each other with tractive magnet on being located at support by the soft rope of loosing core; Afterwards, will drive sleeve and pass flat hole, atresia dehydration bucket bottom center, its outer shaft flat screw thread mouth section cooperate with flat hole, atresia dehydration bucket bottom center with and cap fix; At this moment, under the acting in conjunction of spring, moving support, pressure ring, fixed rack and cap, the frustum of slip ring inserts the interior formation sealing of upper overturning lip of rubber water shutoff mozzle; The sidewall pipeline of rubber water shutoff mozzle links to each other with electrically-controlled valve arrival end on being located at support.

Above-mentioned clutch type water sealing mechanism of the present invention and washing machine motional inertia body are in same system (synchronous vibration), like this, the water seal of both having satisfied case-barrel syncretic unapertured water-conservation washing machine with slide over washing machine centrifugal dehydration working hour and disengage (fricton-tight friction), requirement in water filling, washing, the closed reduction sealing of drainage works period, avoid again violent bend around bad working environments, reach the working life that prolongs rubber seal, stopped the purpose of case-barrel syncretic unapertured water-conservation washing machine dehydration.

Description of drawings

Fig. 1 is a clutch type water sealing mechanism closed state schematic diagram of the present invention

Fig. 2 is a clutch type water sealing mechanism opening schematic diagram of the present invention

Fig. 3 is a clutch type water sealing mechanism runner schematic diagram of the present invention

Fig. 4 is the atresia dehydration barrel schematic diagram of case-barrel syncretic unapertured water-conservation washing machine

Fig. 5 is the shell bucket schematic diagram of case-barrel syncretic unapertured water-conservation washing machine

Fig. 6 is the dynamo-electric assembly schematic diagram of case-barrel syncretic unapertured water-conservation washing machine

Fig. 7 is the base schematic diagram of case-barrel syncretic unapertured water-conservation washing machine

Fig. 8 is that Fig. 4, Fig. 5, Fig. 6, parts shown in Figure 7 attach together schematic diagram

Fig. 9 be among Fig. 8 clutch type water sealing mechanism of the present invention draw enlarged axonometric map

Figure 10 is the slidingtype water sealing mechanism schematic diagram of existing unapertured water-conservation washing machine

Figure 11 is the helical corrugation flexible rubber water sealing envelope schematic diagram of existing shell bucket unification full-automatic impeller type washing machine

Below in conjunction with the embodiment in the accompanying drawing the present invention is described in further detail, but should not be construed as any limitation of the invention.

Among the figure: 1-slip ring, 2-rubber water shutoff mozzle, 3-pressure ring, 4-fixed rack, the moving support of 5-, 6-pull bar, 7-spring, 8-spring base, 9-support, 10-atresia dehydration barrel, 11-drive sleeve, 12-shell bucket, 13-base, 14-shock absorber, 15-supporting plate, 16-and cap, 17-sliding sleeve, 18-rubber seal, 19-helical corrugation flexible rubber water sealing envelope;

Specific implementation method

Consult Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, the clutch type water sealing mechanism of a kind of case-barrel syncretic unapertured water-conservation washing machine of the present invention comprises slip ring 1, rubber water shutoff mozzle 2, pressure ring 3, fixed rack 4, moving support 5, pull bar 6, spring 7, spring base 8, support 9, atresia dehydration barrel 10, drives sleeve 11, wherein: the periphery that the end center that described slip ring 1 is made for stainless steel is provided with flat hole and flat hole is around some mounting holes of arranging, and the other end opens wide and outer wall is the tube of frustum; Described rubber water shutoff mozzle 2 has the flange mouth for the top, and the bottom is straight mouthful, and sidewall is provided with the dolioform thin wall tee rubber parts of pipeline; Described pressure ring 3 curves pipe box for there are the annulus of handle and two pommels in both sides; Described fixed rack 4 is for to be fixed on the described support 9, and top side portion has the columnar plastic piece of pin-and-hole; Described moving support 5 is for top side portion has pin-and-hole, and the working of plastics of blind screw hole is arranged at the bottom; The end that described pull bar 6 is made for stainless steel has the draw ring other end that the screw rod of screw is arranged; Described spring 7 is turriform compression spring; Described spring base 8 is the cup-shaped working of plastics, and bottom centre is provided with the aperture that can pass described pull bar 6, is fixed on the described support 9 and the opposite of described moving support 5 across the cover axis; Described support 9 is suspended on the shock absorber 14 for the steel plate of devices such as carrying holding electrical and four jiaos; The washing dehydration dual-purpose bucket that described atresia dehydration barrel 10 is peripheral atresia, bottom centre is provided with the periphery in flat hole and flat hole around some mounting holes of arranging; Described driving sleeve 11 is the power output shaft of electrical driver, and its outer shaft mouth section outer wall thread is milled is flat, and root is embedded with the hard rubber cover.

During assembling: slip ring 1 sealing and fixing below atresia dehydration barrel 10 bottom centre, is bored mouth down; The upper overturning of rubber water shutoff mozzle 2 is embedded pressure ring 3, the straight muzzle of bottom in the hard rubber cover outside that drives sleeve 11, is fixed with cranse; Link to each other with the pin-and-hole of fixed rack 4 respectively with the pipe box of bearing pin with moving support 5 with pressure ring 3 pommels; Spring 7 is packed in the spring base 8 greatly upside down; The screw end of pull bar 6 is penetrated and pass spring and moving support 5 bottom internal threads spin from spring base 8 bottom outlets, and its draw ring links to each other with tractive magnet on being located at support 9 by the soft rope of loosing core; Afterwards, will drive sleeve 11 and pass the flat hole of atresia dehydration barrel 10 bottom centre, its outer shaft flat screw thread mouth section cooperate with atresia dehydration barrel 10 bottom centre flat holes with and cap 16 fixing; At this moment, under the acting in conjunction of spring 7, moving support 5, pressure ring 3, fixed rack 4 and cap 16, the frustum of slip ring 1 inserts the interior formation sealing of upper overturning lip of rubber water shutoff mozzle 2; The sidewall pipeline of rubber water shutoff mozzle 2 links to each other with electrically-controlled valve arrival end on being located at support 9.

In the work: the working hour that is in water filling, washing when washing machine, under the acting in conjunction of spring 7, moving support 5, pressure ring 3, fixed rack 4 and cap 16, the frustum of slip ring 1 inserts the interior formation sealing of upper overturning lip of rubber water shutoff mozzle 2, at this moment, the water in the atresia dehydration barrel 10 is subjected to the obstruction of motor-driven valve and is kept at and does not outflow in the common container that constitutes of inner chamber of atresia dehydration barrel 10, slip ring 1, rubber water shutoff mozzle 2; When washing machine drainage, motor-driven valve is opened, the water in the atresia dehydration barrel 10 along the common water channel that constitutes of inner chamber of the side pipe of the mounting hole of the mounting hole of atresia dehydration barrel 10, slip ring 1, rubber water shutoff mozzle 2 outside the outlet discharge machine of motor-driven valve; When washing machine before centrifugal dehydration work, tractive magnet (or traction electric machine) spurs pull bar 6, moving support 5 and pressure ring 3 downwards and moves down, because the effect of fixed rack 4, pressure ring 3 is the downward-sloping angle of initial point with fixed rack 4, and the upper overturning lip declivity of rubber water shutoff mozzle 2 disengages the frustum outer wall of slip ring 1; After this, atresia dehydration barrel 10 enters high speed centrifugation dehydration duty, the centrifugal water that throws away will overfall discharge machine by shell bucket 12 bottoms outside; After washing machine finished centrifugal dehydration work, tractive magnet resetted, and under the acting in conjunction of spring 7, moving support 5, pressure ring 3, fixed rack 4, the upper overturning lip of rubber water shutoff mozzle 2 resets and the frustum outer wall of slip ring 1 is realized sealing once more.

What particularly point out is, when rubber water shutoff mozzle 2 breaks away from the frustum outer wall of slip ring 1 under the pulling of pressure ring 3, the awl mouth of slip ring 1 must be retained in the interior certain depth of upper overturning lip of rubber water shutoff mozzle 2, like this, capillary fiber is attached on the sealing wall of the upper overturning lip of rubber water shutoff mozzle 2 and slip ring 1 in the sewage that can prevent to be thrown out of because of centrifugal action, avoids dirt to adhere to and causes poor sealing.

As can be seen from Figure 8, above-mentioned clutch type water sealing mechanism of the present invention and case-barrel syncretic unapertured water-conservation washing machine motional inertia body are in same system, promptly, clutch type water sealing mechanism is in by dynamo-electric assembly shown in Figure 6 and the motional inertia body inside be made up of atresia dehydration barrel 10 shown in Figure 4, contacts directly with not having by shell bucket 12 shown in Figure 5 with by the static coasting body that base shown in Figure 7 13 is formed; Therefore, when case-barrel syncretic unapertured water-conservation washing machine is worked, the clutch type water sealing mechanism of above-mentioned case-barrel syncretic unapertured water-conservation washing machine of the present invention and its motional inertia body synchronous vibration; This just avoided as existing shell bucket unification full-automatic impeller type washing machine since the shell bucket 12 that helical corrugation flexible rubber water sealing envelope 19 connects shell buckets unification full-automatic impeller type washing machines with drive sleeve 11 these two quiet one moving different coasting bodies bring acutely in the wrong around bad working environments.

Claims

1. the clutch type water sealing mechanism of case-barrel syncretic unapertured water-conservation washing machine, comprise slip ring (1), rubber water shutoff mozzle (2), pressure ring (3), fixed rack (4), moving support (5), pull bar (6), spring (7), spring base (8), support (9), atresia dehydration barrel (10), drive sleeve (11), it is characterized in that: the periphery that the end center that described slip ring (1) is made for stainless steel is provided with flat hole and flat hole is around some mounting holes of arranging, and the other end opens wide and outer wall is the tube of frustum; Described rubber water shutoff mozzle (2) has the flange mouth for the top, and the bottom is straight mouthful, and sidewall is provided with the dolioform thin wall tee rubber parts of pipeline; Described pressure ring (3) curves pipe box for there are the annulus of handle and two pommels in both sides; Described fixed rack (4) is for to be fixed on the described support (9), and top side portion has the columnar plastic piece of pin-and-hole; Described moving support (5) is for top side portion has pin-and-hole, and the working of plastics of blind screw hole is arranged at the bottom; The end that described pull bar (6) is made for stainless steel has the draw ring other end that the screw rod of screw is arranged; Described spring (7) is turriform compression spring; Described spring base (8) is the cup-shaped working of plastics, and bottom centre is provided with the aperture that can pass pull bar (6), is fixed on support (9) and goes up and the opposite of moving support (5) across the cover axis; Described support (9) is suspended on the shock absorber (14) for the steel plate of carrying holding electrical device and four jiaos; Described atresia dehydration barrel (10) is the washing dehydration dual-purpose bucket of peripheral atresia, and bottom centre is provided with the periphery in flat hole and flat hole around some mounting holes of arranging; Described driving sleeve (11) is the power output shaft of electrical driver, and its outer shaft mouth section outer wall thread is milled is flat, and root is embedded with the hard rubber cover;

To drive sleeve (11) and pass the flat hole of atresia dehydration barrel (10) bottom centre, its outer shaft flat screw thread mouth section cooperate with atresia dehydration barrel (10) bottom centre flat hole with and cap (16) fixing, under the acting in conjunction of spring (7), moving support (5), pressure ring (3), fixed rack (4) and cap (16), the frustum of slip ring (1) inserts the interior formation sealing of upper overturning lip of rubber water shutoff mozzle (2); Pulling pull bar (6) moves support (5) and pressure ring (3) and moves down downwards, and pressure ring (3) is the downward-sloping angle of initial point with fixed rack (4), and the upper overturning lip declivity of pulling rubber water shutoff mozzle (2) disengages the frustum outer wall of slip ring (1).

2. the clutch type water sealing mechanism of case-barrel syncretic unapertured water-conservation washing machine according to claim 1 is characterized in that: slip ring (1) sealing and fixing below atresia dehydration barrel (10) bottom centre, the awl mouth down; The upper overturning of rubber water shutoff mozzle (2) embeds pressure ring (3), and the straight muzzle of bottom is in the hard rubber cover outside that drives sleeve (11); Link to each other with the pin-and-hole of fixed rack (4) respectively with the pipe box of bearing pin with moving support (5) with pressure ring (3) pommel; Spring (7) is packed in the spring base (8) greatly upside down; The screw end of pull bar (6) penetrates and passes spring (7) from spring base (8) bottom outlet and spins with moving support (5) bottom internal thread.

3. the clutch type water sealing mechanism of case-barrel syncretic unapertured water-conservation washing machine according to claim 1, it is characterized in that: when rubber water shutoff mozzle (2) broke away from the frustum outer wall of slip ring (1) under the pulling of pressure ring (3), the awl mouth of slip ring (1) must be retained in the interior certain depth of upper overturning lip of rubber water shutoff mozzle (2).