CN216153117U

CN216153117U - Dewatering device for kitchen waste disposer

Info

Publication number: CN216153117U
Application number: CN202122182009.7U
Authority: CN
Inventors: 陈茂焕
Original assignee: Ningbo Eson Motor Co ltd
Current assignee: Ningbo Eson Motor Co ltd
Priority date: 2021-09-08
Filing date: 2021-09-08
Publication date: 2022-04-01
Anticipated expiration: 2031-09-08

Abstract

The utility model relates to a dewatering device for a kitchen waste disposer, which comprises: the dewatering box body is internally provided with a screen; the feeding screw is arranged in the dehydration cavity; the floating plate assembly comprises a fixed seat, a floating plate and an elastic piece, the fixed seat is arranged at a position, close to the discharge port, of the dewatering box body, the floating plate is movably arranged on the fixed seat and can open or close the discharge port, and the elastic piece acts on the floating plate and enables the floating plate to always have the tendency of moving towards the discharge port to close the discharge port; floating plate adjusting device, including driving piece and drive mechanism, the driving piece is connected with drive mechanism's input, drive mechanism's output and floating plate are connected, when refuse treatment finishes, floating plate adjusting device moves, through driving piece and drive mechanism cooperation, drives floating plate and opens the discharge gate to keep at this open mode, at this moment, the discharge gate position forms no material extrusion state, but the inside rubbish that remains of quick clearance is continued to rotate to the pay-off screw rod, reaches better clearance effect.

Description

Dewatering device for kitchen waste disposer

Technical Field

The utility model relates to the technical field of kitchen waste disposers, in particular to a dewatering device for a kitchen waste disposer.

Background

The existing kitchen waste treatment system generally comprises a feeding box device, a crushing device and a dewatering device. The kitchen waste material drying device comprises a crushing device, a dewatering device and a drying device, wherein the crushing device is used for crushing kitchen waste materials, and the dewatering device is used for drying the crushed waste materials to realize solid-liquid separation.

Chinese utility model patent of application number CN201721070623.1 (No. CN207153794U) discloses a rubbish dewatering device and refuse treatment system, and rubbish dewatering device includes dehydration chamber, adjustable elastic extrusion mechanism and transfer part, and the dehydration chamber is equipped with the discharge gate, and adjustable elastic extrusion mechanism includes extrusion portion, elasticity portion and adjusting part, and elasticity portion orders about extrusion portion with the discharge gate shutoff, and adjusting part is used for adjusting the elasticity of elasticity portion, transfer part are located in the dehydration chamber, transfer part to discharge gate conveying material. The conveying part is a spiral conveying shaft, the dehydration cavity is provided with a material guide port, and the spiral conveying shaft conveys materials to the discharge port from the material guide port.

Garbage dewatering device in the above-mentioned patent still has certain not enough, this garbage dewatering device is though the elasticity of adjustable elasticity extrusion mechanism adjustment elasticity portion of accessible to the adjustment is to the extrusion force of material, satisfies the dehydration demand of the different degree of material, nevertheless because the elasticity of adjustable elasticity extrusion mechanism exists, and follow-up in time feeding of failing, when rubbish end treatment, serious long-pending material or difficult clearance problem can appear in the extrusion district with being difficult to avoid, long-pending material rubbish can foul night, influence the environment.

Therefore, the existing dehydration device for the kitchen waste disposer needs to be further improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of the prior art, and provides a dehydration device for a kitchen waste disposer, which can effectively avoid the problem of material accumulation during waste tail end treatment.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a dewatering device for a kitchen waste disposer includes:

the dewatering box body is internally provided with a screen, the screen is provided with a dewatering cavity, and the dewatering box body is provided with a feeding hole and a discharging hole which are communicated with the dewatering cavity;

the feeding screw is arranged in the dehydration cavity and used for conveying the kitchen waste material entering the dehydration cavity from the feeding hole to the discharging hole;

the floating plate assembly comprises a fixed seat, a floating plate and an elastic piece, the fixed seat is arranged at the position of the dewatering box body, which is close to the discharge port, the floating plate is movably arranged on the fixed seat and can open or close the discharge port, and the elastic piece acts on the floating plate and enables the floating plate to always have the tendency of moving towards the discharge port to close the discharge port;

the floating plate adjusting device comprises a driving piece and a transmission mechanism, wherein the driving piece is connected with the input end of the transmission mechanism, the output end of the transmission mechanism is connected with the floating plate, and the floating plate adjusting device at least has a first state and a second state;

in the first state, the driving piece drives the floating plate to open the discharge hole through the transmission mechanism and keeps in the opening state;

in the second state, the driving piece is separated from the input end of the transmission mechanism or the output end of the transmission mechanism is separated from the floating plate, so that the floating plate can move freely relative to the fixed seat, and the discharge hole is blocked or opened.

The driving part can adopt various prior arts such as a motor, an electric push rod and the like, but in order to be matched with the moving process of the floating plate and simplify the transmission mechanism, the driving part is the electric push rod, the output end of the electric push rod is provided with a movable groove, the transmission mechanism comprises a swinging rod, the middle part of the swinging rod is hinged on the fixed seat, the first end of the swinging rod can be movably restrained in the movable groove at the output end of the electric push rod, and the second end of the swinging rod is movably connected with the floating plate.

In order to ensure that the electric push rod can effectively apply force to the oscillating rod to drive the floating plate to open the discharge hole and can remove the motion limitation on the oscillating rod (namely the electric push rod is in a separation state with the first end of the oscillating rod) so as to allow the floating plate to freely move, the moving direction of the output end of the electric push rod is consistent with the length direction of the feeding screw rod, and the movable groove of the output end of the electric push rod is a strip-shaped groove extending along the moving direction of the output end of the electric push rod.

In order to realize the movable connection of the swing rod and the electric push rod, the first end of the swing rod is provided with a transversely extending stop lever which can be movably restrained in a movable groove of the electric push rod.

In order to avoid the interference problem in the process that the swing rod drives the floating plate to move, the floating plate is further provided with a connecting seat, the connecting seat is provided with a sliding groove which extends up and down, the second end of the swing rod is hinged with a sliding block, and the sliding block is vertically constrained in the sliding groove of the connecting seat in a sliding manner.

In order to further improve the dehydration effect, the feeding screws are arranged side by side along the width direction of the dehydration box body, the rotation directions of the feeding screws are the same, the two feeding screws are positioned in the same screen, and the cross section of the screen is correspondingly 8-shaped. Preferably, the screen is selected as a wedge-shaped mesh.

As an improvement, the feeding screw rod comprises a rotating rod and a spiral piece spirally arranged on the outer wall surface of the rotating rod along the length direction of the rotating rod, and the thread pitch of the spiral piece is gradually reduced along the feeding direction of the feeding screw rod. By adopting the variable pitch structure, the extrusion force of the kitchen waste material in the process of moving forward along with the feeding screw is gradually increased, the uniformity of the dehydration process of the kitchen waste material is ensured, and the dehydration effect is further improved.

The elastic member may be any one of various conventional techniques, and may include various elastic members such as a compression spring and a reed, but in order to better match the movement of the floating plate, the floating plate has a first through hole, the first through hole is provided with a coaxially disposed guide sleeve, the fixing base has a second through hole corresponding to the first through hole of the floating plate, the first end of the feed screw sequentially passes through the first through hole of the floating plate, the guide sleeve and the second through hole of the fixing base to expose the fixing base, and the elastic member is a spring sleeved on the feed screw and abutted between the guide sleeve and the fixing base.

In order to drive the feeding screw to move, the feeding screw further comprises a driving motor, a first chain wheel is arranged on an output shaft of the driving motor, a second chain wheel is arranged at the first end of the feeding screw, and the first chain wheel is in transmission connection with the second chain wheel through a first transmission chain.

In order to realize the synchronization action of two feeding screw rods and reduce driving motor's quantity, reduce the volume of whole refuse treatment problem, the feeding screw rod has two, follows the width direction of dehydration box sets up side by side, one of them the feeding screw rod with driving motor connects, two the second end of feeding screw rod is all worn out outside the dehydration box, and is equipped with third sprocket and fourth sprocket respectively, the third sprocket with the fourth sprocket passes through the transmission of second drive chain and is connected.

Compared with the prior art, the utility model has the advantages that: when carrying out normal dehydration, the pay-off screw rod rotates, and the propelling movement rubbish material is along with the rubbish material piles up in discharge gate department, can overcome the elastic component pressure of floating plate, extrudes the rubbish material after will dehydrating, reaches the purpose that rubbish material extrusion dewaters. Meanwhile, due to the fact that the floating plate adjusting device is additionally arranged, when garbage disposal is finished, the floating plate adjusting device can act, the driving piece is matched with the transmission mechanism to drive the floating plate to open the discharge port and keep the opening state, at the moment, the discharge port is in a material-free extrusion state, the feeding screw rod continues to rotate to quickly clean residual garbage inside, a good cleaning effect is achieved, the problem of material accumulation during garbage end disposal can be effectively solved, generation of bacterial reproduction and peculiar smell can be reduced, and therefore the using requirement can be met.

Drawings

FIG. 1 is a schematic perspective view of an embodiment of the present invention;

FIG. 2 is a schematic perspective view of an embodiment of the present invention (with the cover plate and the protective cover of the dewatering box hidden);

FIG. 3 is a vertical sectional view taken along the axis of the feed screw (with the floating plate in a closed discharge port state) of an embodiment of the present invention;

FIG. 4 is a vertical sectional view taken along the axis of the feed screw (with the floating plate in an open discharge port state) of an embodiment of the present invention;

FIG. 5 is a cross-sectional view taken at A-A of FIG. 1;

FIG. 6 is a schematic perspective view of a partial structure at a discharge port according to an embodiment of the present invention;

fig. 7 is a schematic perspective view of the fixing base of fig. 6 without the fixing base.

Detailed Description

The utility model is described in further detail below with reference to the accompanying examples.

Referring to fig. 1 to 7, a dewatering device for a kitchen waste disposer of the present embodiment is shown, which includes a dewatering box 10, a screen 11, a feed screw 20, a floating plate assembly 30, and an unloading assembly.

Fig. 1 shows a schematic perspective view of an embodiment of the present invention, in which a dewatering box 10 is substantially rectangular, the top of the dewatering box 10 has a feed inlet 12, kitchen waste materials can enter through the feed inlet 12, and the bottom of the dewatering box 10 also has a water outlet 14 for discharging water (or other liquid) generated during internal dewatering. The top of the dehydration tank body 10 has a cover plate 101 which is detachably opened.

Fig. 2 is a schematic perspective view of the dewatering box 10 shown in fig. 1 with a cover plate 101 and a protective cover (described below) hidden, wherein a screen 11 is disposed in the dewatering box 10, the screen 11 is also in a strip shape and is arranged along the length direction of the dewatering box 10, and specifically, two ends of the screen 11 can be connected to the inner wall of the dewatering box 10 through flanges. The screen 11 of this embodiment is preferably a wedge-shaped mesh, and the screen 11 has a dewatering chamber 110, and the dewatering chamber 110 is communicated with the feed inlet 12, and specifically, the feed inlet 12 is located at the top area of the first end position of the screen 11. The port of the second end of the screen mesh 11 can be used for discharging kitchen garbage materials, wherein the dewatering box body 10 is provided with a matched opening corresponding to the second port of the screen mesh 11, thereby forming a discharge port 13 of the dewatering device. The dehydration box body 10 is further provided with a blanking plate 15 which is obliquely arranged below the discharge port 13.

Fig. 3 is a vertical sectional view taken along the axis of the feed screw 20 according to the embodiment of the present invention, and it can be seen that the feed screw 20 is provided in the screen mesh 11, the feed screw 20 is disposed along the length direction of the screen mesh 11, and both ends thereof are rotatably supported at both ends of the dewatering box body 10, respectively. When rotating, the feeding screw 20 can convey the kitchen waste material entering the dehydration cavity 110 from the feeding hole 12 to the discharging hole 13, and the kitchen waste material is matched with the screen 11 to extrude the kitchen waste material, so that the dehydration purpose is realized. Specifically, the feed screw 20 includes a rotating rod 21 and a spiral piece 22 spirally arranged on an outer wall surface of the rotating rod 21 in a length direction of the rotating rod 21, and a pitch of the spiral piece 22 is gradually decreased in a feeding direction of the feed screw 20. By adopting the feeding screw 20 with the variable pitch structure, the extrusion force of the kitchen waste material in the advancing process along with the feeding screw 20 is gradually increased, the uniformity of the kitchen waste material dehydration process is ensured, and the dehydration effect is further improved.

Referring to fig. 5, fig. 5 is a sectional view taken along a-a in fig. 1, that is, a vertical sectional view taken along a width direction of the dewatering box body 10, and it can be seen that there are two feeding screws 20 of this embodiment, and the two feeding screws 20 are arranged side by side along the width direction of the dewatering box body 10, the rotation directions of the two feeding screws 20 are the same, the two feeding screws 20 are located in the same screen 11, and the cross section of the screen 11 is correspondingly shaped like a letter 8.

Returning to fig. 2, in order to drive the feeding screws 20 to move, a driving motor 50 is further included, an output shaft of the driving motor 50 is provided with a first chain wheel 51, a first end of one of the feeding screws 20 penetrates out of the dewatering box 10, and a second chain wheel 52 is further provided, and the first chain wheel 51 is in transmission connection with the second chain wheel 52 through a first transmission chain 53. The second ends of the two feeding screws 20 penetrate out of the dewatering box body 10 and are respectively provided with a third chain wheel 54 and a fourth chain wheel 55, and the third chain wheel 54 and the fourth chain wheel 55 are in transmission connection through a second transmission chain 56. Due to the structural design, synchronous and same-direction rotation of the double feeding screws 20 can be realized, and the number of the driving motors 50 is reduced, so that the volume of the whole garbage disposer is relatively reduced. Referring to fig. 1, the present invention further includes a guard 57a covering the first transmission chain 53, the first sprocket 51, and the second sprocket 52, and a guard 57b covering the second transmission chain 56, the third sprocket 54, and the fourth sprocket 55.

With continued reference to fig. 3 and 4, the floating plate assembly 30 includes a fixed seat 31, a floating plate 32, and an elastic member 33. The fixing base 31 is a square frame structure and is disposed on the dewatering box 10 adjacent to the outlet 13. The floating plate 32 has first through holes 320 arranged side by side in the left-right direction, the two first through holes 320 respectively correspond to the first ends of the two feed screws 20, the floating plate 32 is further provided with guide sleeves 34 at the two first through holes 320, and the fixed base 31 is provided with second through holes 310 corresponding to the first through holes 320 of the floating plate 32. The first end of the feed screw 20 passes through the first through hole 320 of the floating plate 32, the guide sleeve 34, the spring positioning seat 35 and the second through hole 310 of the fixed seat 31 in sequence to expose out of the fixed seat 31. The elastic member 33 of this embodiment is a spring sleeved on the first end of the feeding screw 20, and the fixed seat 31 has a spring positioning seat 35 thereon, the spring is abutted between the guide sleeve 34 and the spring positioning seat 35, and the floating plate 32 always has a tendency of moving toward the discharge port 13 to block the discharge port 13. Wherein, the second through hole 310 of the fixed seat 31 may be provided with a bearing (not shown) at a position thereof, so that the first end of the feed screw 20 can be rotatably supported on the bearing.

During normal dehydration operation, the feeding screw 20 is driven by the motor to rotate, feeding is carried out at the position of the discharge port 13, the dehydration purpose can be realized along with the forward movement of the garbage materials, the garbage materials overcome the pressure of the elastic part 33 along with the continuous dehydration process, the floating plate 32 is driven to slide outwards along the feeding screw 20 (slide rightwards according to figures 3 and 4), the discharge port 13 is opened, and the dehydrated garbage materials are extruded out, which is shown in detail in figure 4.

Fig. 6 is a schematic perspective view of a partial structure of the discharge hole 13 in the present embodiment, fig. 7 is a schematic perspective view of the fixed seat 31 in fig. 6, and fig. 6 and 7 both show a floating plate adjusting device 40, where the floating plate adjusting device 40 includes a driving element 41 and a transmission mechanism 42.

The driving member 41 is an electric push rod disposed on the fixing base 31, the electric push rod has a telescopic rod 410, wherein a moving direction of the telescopic rod 410 is the same as a length direction of the feeding screw 20, an end portion of the telescopic rod 410 has a movable slot 411, and the movable slot 411 is a strip-shaped slot extending along a moving direction of an output end of the electric push rod.

The transmission mechanism 42 includes a swing lever 421, a support frame 426, a rotation shaft 425, a stop lever 422, a connection seat 423, and a slider 424. The swing lever 421 of the present embodiment has an L-shaped lever structure, and has two swing levers 421 arranged side by side in the left-right direction. The two swing levers 421 are connected at their middle portions by a rotating shaft 425, and the rotating shaft 425 is hinged to a supporting frame 426, wherein the supporting frame 426 is disposed on the fixing base 31. In addition, the first ends of the two swing rods 421 are connected by a horizontally extending stop rod 422, and the strip-shaped groove of the electric push rod is a U-shaped groove with an opening facing the stop rod 422, so that the stop rod 422 can be movably constrained in the movable groove 411 of the electric push rod, and the stop rod 422 constitutes the input end of the transmission mechanism 42.

The connecting link 423 is fixed to the floating plate 32, and the connecting link 423 has a slide groove 4230 extending vertically. The second ends of the two swing rods 421 are hinged to the sliding blocks 424, the two sliding blocks 424 are constrained in the sliding grooves 4230 of the corresponding connecting seat 423 in a vertically sliding manner, and the sliding blocks 424 form the output end of the transmission mechanism 42.

The floating plate adjustment device has at least a first state and a second state. In the first state, the telescopic rod 410 of the electric push rod is extended, and applies a force to the stopper 422 of the transmission mechanism 42 to rotate the swing lever 421, so that the floating plate 32 is driven by the rotation of the swing lever 421 to open the discharge port 13, and is maintained in the opened state. At the moment, the discharge port 13 is in a material-free extrusion state, and the feeding screw 20 continues to rotate, so that residual garbage in the feeding screw can be quickly cleaned, and a good cleaning effect is achieved. In the second state, the electric pushing rod is not actuated, that is, the telescopic rod 410 of the electric pushing rod is in the retracted state, at this time, the floating plate 32 blocks the discharge hole 13 under the action of the spring, and the stop lever 422 of the transmission mechanism can move freely in the sliding slot 4230 of the telescopic rod 410 and is not limited by the movement of the telescopic rod 410, so that the floating plate 32 can be allowed to move freely relative to the fixed seat 31, thereby blocking or opening the discharge hole 13.

On the basis of the above embodiments, other embodiments can be obtained by replacing and improving the related technical features. For example, the transmission mechanism of the floating plate adjusting device of the present embodiment is not limited to the above-mentioned oscillating lever slider mechanism, and various conventional clutch transmission mechanisms, such as a gear clutch transmission mechanism cooperating with a motor, which can act on the floating plate in a clutch manner and keep the floating plate in an open state, may be employed.

Claims

1. A dewatering device for a kitchen waste disposer includes:

the dewatering box body (10) is internally provided with a screen (11), the screen (11) is provided with a dewatering cavity (110), and the dewatering box body (10) is provided with a feeding hole (12) and a discharging hole (13) which are communicated with the dewatering cavity (110);

the feeding screw rod (20) is arranged in the dehydration cavity (110) and is used for conveying the kitchen waste materials entering the dehydration cavity (110) from the feeding hole (12) to the discharging hole (13);

the floating plate assembly (30) comprises a fixed seat (31), a floating plate (32) and an elastic piece (33), the fixed seat (31) is arranged at the position, close to the discharge port (13), of the dewatering box body (10), the floating plate (32) is movably arranged on the fixed seat (31) and can open or close the discharge port (13), and the elastic piece (33) acts on the floating plate (32) and enables the floating plate (32) to always have the tendency of moving towards the discharge port (13) to close the discharge port (13);

it is characterized by also comprising:

the floating plate adjusting device (40) comprises a driving part (41) and a transmission mechanism (42), wherein the driving part (41) is connected with the input end of the transmission mechanism (42), the output end of the transmission mechanism (42) is connected with the floating plate (32), and the floating plate adjusting device (40) at least has a first state and a second state;

in the first state, the driving part (41) drives the floating plate (32) to open the discharge hole (13) through the transmission mechanism (42) and keeps the floating plate in the open state;

in the second state, the driving piece (41) is separated from the input end connection of the transmission mechanism (42), or the output end of the transmission mechanism (42) is separated from the floating plate (32), so that the floating plate (32) can move freely relative to the fixed seat (31) to block or open the discharge hole (13).

2. The dehydration apparatus for kitchen waste disposer according to claim 1, characterized in that: the driving piece (41) is an electric push rod, the output end of the electric push rod is provided with a movable groove (411), the transmission mechanism (42) comprises a swing rod (421), the middle part of the swing rod (421) is hinged on the fixed seat (31), the first end of the swing rod (421) can be movably constrained in the movable groove (411) of the output end of the electric push rod, and the second end of the swing rod (421) is movably connected with the floating plate (32).

3. The dehydration apparatus for kitchen waste disposer according to claim 2, characterized in that: the moving direction of the output end of the electric push rod is consistent with the length direction of the feeding screw rod (20), and the movable groove (411) of the output end of the electric push rod is a strip-shaped groove extending along the moving direction of the output end of the electric push rod.

4. The dehydration apparatus for kitchen waste disposer according to claim 3, characterized in that: the first end of the swing rod (421) is provided with a transversely extending stop lever (422), and the stop lever (422) can be movably restrained in a movable groove (411) of the electric push rod.

5. The dehydration apparatus for kitchen waste disposer according to claim 2, characterized in that: the floating plate (32) is further provided with a connecting seat (423), the connecting seat (423) is provided with a sliding groove (4230) which extends up and down, the second end of the swinging rod (421) is hinged with a sliding block (424), and the sliding block (424) is constrained in the sliding groove (4230) of the connecting seat (423) in a vertical sliding mode.

6. The dehydration apparatus for kitchen waste disposer according to any of claims 1-5, characterized in that: the dewatering box is characterized in that the number of the feeding screws (20) is two, the feeding screws are arranged side by side along the width direction of the dewatering box body (10), the rotating directions of the feeding screws are the same, the feeding screws (20) are located in the same screen (11), and the cross section of the screen (11) is correspondingly 8-shaped.

7. The dehydration apparatus for kitchen waste disposer according to any of claims 1-5, characterized in that: pay-off screw rod (20) are spiral flight (22) of arranging on the outer wall of this dwang (21) including dwang (21) and along the length direction of dwang (21), the pitch of flight (22) reduces along the pay-off direction of pay-off screw rod (20) gradually.

8. The dehydration apparatus for kitchen waste disposer according to any of claims 1-5, characterized in that: the feeding device is characterized in that the floating plate (32) is provided with a first through hole (320), a guide sleeve (34) which is coaxially arranged is arranged at the position of the first through hole (320), the fixed seat (31) is provided with a second through hole (310) corresponding to the first through hole (320) of the floating plate (32), the first end part of the feeding screw (20) sequentially penetrates through the first through hole (320) of the floating plate (32), the guide sleeve (34) and the second through hole (310) of the fixed seat (31) to be exposed out of the fixed seat (31), the elastic element (33) is a spring which is sleeved on the feeding screw (20), and the spring is abutted between the guide sleeve (34) and the fixed seat (31).

9. The dehydration apparatus for kitchen waste disposer according to claim 8, characterized in that: the feeding device is characterized by further comprising a driving motor (50), wherein an output shaft of the driving motor (50) is provided with a first chain wheel (51), a first end of the feeding screw rod (20) is provided with a second chain wheel (52), and the first chain wheel (51) is in transmission connection with the second chain wheel (52) through a first transmission chain (53).

10. The dehydration apparatus for kitchen waste disposer according to claim 9, characterized in that: the feeding screws (20) are arranged in two, and are arranged side by side along the width direction of the dewatering box body (10), one of the feeding screws (20) is connected with the driving motor (50), the second ends of the feeding screws (20) penetrate out of the dewatering box body (10) and are respectively provided with a third chain wheel (54) and a fourth chain wheel (55), and the third chain wheel (54) is in transmission connection with the fourth chain wheel (55) through a second transmission chain (56).