CN220175006U - Single motor drive toilet seat and garbage bin - Google Patents

Abstract

The utility model provides a single motor-driven toilet seat and a toilet seat, comprising: the bag feeding mechanism is arranged below the garbage bag fixing mechanism; the necking mechanism is arranged below the bag conveying mechanism and comprises a scissor hinge assembly and a first guide plate arranged on the scissor hinge assembly, and a second guide plate arranged opposite to the first guide plate; the transmission mechanism comprises a forward and reverse rotation driving motor, the forward and reverse rotation driving motor drives a first gear mechanism and a second gear mechanism which is reversely arranged with the first gear mechanism, and when the forward and reverse rotation driving motor rotates forward/reversely, the first gear mechanism drives the gear unit so as to enable garbage bags sleeved on the bag conveying mechanism to be conveyed downwards; and when the forward and reverse rotation driving motor rotates reversely/positively, the second gear mechanism drives the scissor hinge assembly to drive the first guide plate to slide relatively to the second guide plate. The utility model can realize single motor control and save energy loss caused by multiple groups of motors.

Description

Single motor drive toilet seat and garbage bin

Technical Field

The utility model relates to a single-motor-driven toilet seat and a dustbin, which are applied to the field of toilet seats.

Background

The toilet seat is designed for the old and the disabled, and can be used for sitting in the toilet at the bedside directly, so that the risk of falling down in the process of going to the toilet when the old and the disabled are unattended at night is avoided; the utility model relates to a single motor driving toilet and a garbage can, which are characterized in that the single motor driving toilet and the garbage can are designed, and the single motor driving toilet and the garbage can are used for controlling a bag feeding mechanism to downwards convey the garbage bag, and then controlling a scissor hinge to realize necking and heat sealing of the garbage bag.

Disclosure of Invention

The utility model provides a single-motor-driven toilet seat and a garbage can, which can effectively solve the problems.

The utility model is realized in the following way:

a single motor driven toilet seat comprising:

the toilet seat body comprises a garbage bag storage opening and a discharge opening;

the garbage bag fixing mechanism is arranged at the garbage bag storage opening and used for storing hollow garbage bags;

the bag conveying mechanism is arranged below the garbage bag fixing mechanism and comprises a driven gear set and a bag conveying wheel set driven by the gear unit, and is used for conveying garbage bags downwards;

the necking mechanism is arranged below the bag conveying mechanism and comprises a scissor hinge assembly and a first guide plate arranged on the scissor hinge assembly, and a second guide plate arranged opposite to the first guide plate; and

the transmission mechanism comprises a forward and reverse rotation driving motor, the forward and reverse rotation driving motor drives a first gear mechanism and a second gear mechanism which is reversely arranged with the first gear mechanism, and when the forward and reverse rotation driving motor rotates forward/reversely, the first gear mechanism drives the gear unit so as to enable garbage bags sleeved on the bag conveying mechanism to be conveyed downwards; when the forward and reverse rotation driving motor rotates reversely/positively, the second gear mechanism drives the scissor hinge assembly to drive the first guide plate to slide relatively to the second guide plate so as to realize the contraction and opening of the garbage bag;

and the heat-sealing bag opening mechanism is arranged on the first guide plate and/or the second guide plate and is used for heat-sealing the contracted garbage bag.

A single motor driven trash can comprising:

the garbage can body comprises a garbage bag storage opening and a discharge opening;

the garbage bag fixing mechanism is arranged at the garbage bag storage opening and used for storing hollow garbage bags;

the bag conveying mechanism is arranged below the garbage bag fixing mechanism and comprises a gear unit and a bag conveying wheel set driven by the gear unit, and is used for conveying garbage bags downwards;

the necking mechanism is arranged below the bag conveying mechanism and comprises a scissor hinge assembly and a first guide plate arranged on the scissor hinge assembly, and a second guide plate arranged opposite to the first guide plate; and

the transmission mechanism comprises a forward and reverse rotation driving motor, the forward and reverse rotation driving motor drives a first gear mechanism and a second gear mechanism, and when the forward and reverse rotation driving motor rotates forward/reversely, the first gear mechanism drives the gear unit so as to enable the garbage bag sleeved on the bag conveying mechanism to be conveyed downwards; and when the forward and reverse rotation driving motor rotates reversely/positively, the second gear mechanism drives the scissor hinge assembly to drive the first guide plate to slide relatively to the second guide plate so as to realize the contraction and opening of the garbage bag.

The beneficial effects of the utility model are as follows:

by arranging the transmission mechanism, the transmission mechanism comprises a forward and reverse rotation driving motor, the forward and reverse rotation driving motor drives a first gear mechanism and a second gear mechanism which is reversely arranged with the first gear mechanism, and when the forward and reverse rotation driving motor rotates forward/reversely, the first gear mechanism drives a gear unit so as to enable garbage bags sleeved on the bag conveying mechanism to be conveyed downwards; when the forward and reverse rotation driving motor rotates reversely/positively, the second gear mechanism drives the scissor hinge assembly to drive the first guide plate to slide relatively to the second guide plate so as to realize the contraction and opening of the garbage bag, only one group of motors are needed to control the bag feeding mechanism and the necking mechanism, the single motor control is realized, the packaging function of the toilet seat is met, the energy loss caused by multiple groups of motors is saved, the volume is effectively reduced, the weight is reduced, and the toilet seat is convenient for outdoor carrying or the use of patients and old people.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic view of a toilet seat according to an embodiment of the present utility model.

Fig. 2 is a schematic diagram of an explosion structure according to a first embodiment of the present utility model.

Fig. 3 is a schematic structural view of a garbage bag fixing mechanism according to an embodiment of the present utility model.

Fig. 4 is a schematic view of a mounting structure of a garbage bag fixing mechanism according to an embodiment of the present utility model.

Fig. 5-6 are schematic structural views of a transmission mechanism according to a first embodiment of the present utility model.

Fig. 7 is a schematic structural diagram of a transmission mechanism according to a first embodiment of the present utility model.

Fig. 8 is a schematic cross-sectional structure of fig. 7.

Fig. 9-13 are schematic structural views of parts of a transmission mechanism according to a first embodiment of the present utility model.

Fig. 14 is a schematic view of a prior art ratchet arrangement.

Fig. 15-17 are schematic structural views of a bag feeding mechanism according to a first embodiment of the present utility model.

Fig. 18-20 are schematic structural views of a necking mechanism according to an embodiment of the present utility model.

Fig. 21 is a schematic structural view of a scissors hinge assembly according to an embodiment of the present utility model.

Fig. 22 is a schematic view of the explosive structure of fig. 20.

Fig. 23 is a schematic structural view of a heat seal bag opening mechanism according to an embodiment of the present utility model.

Fig. 24 is a schematic view of a dustbin according to a second embodiment of the present utility model.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

In the description of the present utility model, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Embodiment one:

referring to fig. 1 to 2, a single motor-driven toilet chair includes: the toilet seat body 1, the toilet seat body 1 includes a garbage bag storage opening and a discharge opening, and a collecting device 2 arranged at the lower part of the toilet seat body 1. The collecting device 2 includes: a garbage bag fixing mechanism 21 arranged at the garbage bag storage opening and used for storing the hollow garbage bag 3; the bag feeding mechanism 22 is arranged below the garbage bag fixing mechanism 21 and comprises a driven gear set 221 and a bag feeding wheel set 222 driven by the driven gear set 221, and the bag feeding mechanism 22 is used for downwards conveying the garbage bags 3; the necking mechanism 23 is arranged below the bag feeding mechanism and comprises a scissor hinge assembly 231 and a first guide plate 232 arranged on the scissor hinge assembly 231, and a second guide plate 233 arranged opposite to the first guide plate 232; and the transmission mechanism 24 comprises a forward and reverse rotation driving motor 241, the forward and reverse rotation driving motor 241 drives a first gear mechanism 242 and a second gear mechanism 243 which is reversely arranged with the first gear mechanism 242, and when the forward and reverse rotation driving motor 241 rotates forward/reversely, the first gear mechanism 242 drives the driven gear set 221 so as to enable the garbage bag 3 sleeved on the bag conveying mechanism 22 to be conveyed downwards; when the forward/reverse rotation driving motor 241 rotates in reverse/forward rotation, the second gear mechanism 243 drives the scissor hinge assembly 231 to further drive the first guide plate 232 to slide relatively towards the second guide plate 233, so as to achieve the shrinkage and opening of the garbage bag 3. And a heat-seal bag opening mechanism 25 provided at the bottom of the necking assembly 24 for sealing the garbage bag 3. The toilet seat can realize the functions of automatically delivering bags, automatically collecting, automatically packaging, heat-sealing excrement and the like. The garbage bag necking toilet seat has the characteristics of convenience in carrying and the like, is suitable for outdoor carrying or use by children and middle-aged and elderly people, only needs one group of motors to control the bag feeding mechanism 22 and the necking mechanism 23, realizes single motor control, saves energy loss caused by multiple groups of motors while meeting the packaging function of the toilet seat, can effectively reduce the volume and the weight, and is convenient for outdoor carrying or use by patients and aged people.

Referring to fig. 3 to 4, the garbage bag fixing mechanism 21 includes: a hollow column 211 for sheathing the hollow garbage bag 3; a bottom plate 212 extending horizontally outwardly from the bottom end of the hollow cylinder 211, and the bottom plate 212 is fixed to the toilet seat body 1; the garbage bag 3 one end cup joints in the outside of hollow cylinder 211, reuse annular retainer plate 213 cup joints the hollow cylinder 211 outside, the disposal bag mouth set up in between the gap of annular retainer plate 213 and hollow cylinder 211, again with toilet seat 214 lock, strengthen fixedly, when preventing to use the lavatory, the garbage bag 3 slides in from hollow cylinder 211. The garbage bag fixing mechanism 21 further includes a sensor (not shown) provided on the chassis 212 for detecting a supply state of the garbage bag 3. Preferably, the thickness of the consumable material of the garbage bag 3 is 0.005 mm-0.2 mm; more preferably, the thickness of the consumable material of the garbage bag 3 is 0.01 mm-0.03 mm; in this embodiment, the thickness of the consumable material of the garbage bag 3 is 0.01mm.

Referring to fig. 5 to 13, the transmission mechanism 24 includes a forward and reverse rotation driving motor 241, the forward and reverse rotation driving motor 241 drives a transmission shaft 2413, in this embodiment, the forward and reverse rotation driving motor 241 is connected to a worm 2411, the worm 2411 is connected to a worm wheel 2412, the worm wheel 2412 is disposed on the transmission shaft 2413, and is fixed by a bolt, so that the worm wheel 412 and the transmission shaft 2413 rotate coaxially, the second gear 243 is disposed in the middle of the transmission shaft 2413, the first gear 242 includes a first gear set 2421 disposed at one end of the transmission shaft 2413 and a second gear set 2422 disposed at one end of the transmission shaft 2413 remote from the first gear set 2421, the second gear set 2422 and the second gear 243 each include a gear 244 disposed coaxially with the transmission shaft 2413, the side wall of the gear 244 is provided with a first accommodating groove 2441, a fixing piece 245 coaxially rotating with the transmission shaft 2413 is accommodated in the first accommodating groove 2441, the fixing piece 245 is fixed on the transmission shaft 2413 by using bolts, the side wall of the fixing piece 245 is provided with a second accommodating groove 2451, an accommodating cavity 246 is formed between the first accommodating groove 2441 and the second accommodating groove 2451, a transmission piece 247 coaxially rotating with the fixing piece 245 is accommodated in the accommodating cavity 246, the side wall of the fixing piece 245 is provided with a plurality of limiting blocks 2452, the transmission piece 247 is provided with limiting grooves 2472 matched with the limiting blocks 2452, and in the embodiment, the limiting blocks 2452 are connected with the limiting grooves 2472 to enable the fixing piece 245 to coaxially rotate with the transmission piece 247; the transmission mechanism 24 of the utility model is not provided with a structure which moves along the axial direction of the transmission shaft 2413, so that the gear mechanism 242 and the second gear mechanism 243 are convenient to detach, parts are convenient to replace or transmission problems are checked, the bottom of the first accommodating groove 2441 is provided with 3-8 arc-shaped ratchets 2442 in an annular array, the transmission piece 247 is provided with arc-shaped grooves 2471 which are matched with the arc-shaped ratchets 2442, and the arc-shaped ratchets 2442 are meshed with the arc-shaped grooves 2471. In this embodiment, the number of the arc-shaped ratchets 2442 is 3, and when the number of the arc-shaped ratchets 2442 is less than 3, the accuracy of the transmission mechanism 24 is poor, so that the operation accuracy of the bag feeding mechanism 22 and the necking mechanism 23 is deviated, which may cause the problems that the garbage bag 3 is separated from the bag feeding mechanism 22 or the necking is incomplete; if the number of the arc-shaped ratchets 2442 is greater than 8, the precision of the device is high, but the transmission is more laborious, so that the energy consumption is increased and the abrasion to parts is increased, therefore, when the number of the arc-shaped ratchets 2442 is 3-8, the device reaches the optimal state, and preferably, the number of the arc-shaped ratchets 2442 is 3. A spring accommodating groove 248 is arranged between the fixing member 245 and the transmission member 247, a spring 2481 is arranged in the spring accommodating groove 248, and the purpose of the spring 2481 is to enable the arc-shaped ratchet 2442 to engage with the arc-shaped groove 2471 to prevent idle running.

The arc-shaped ratchets 2442 comprise tooth tops 2442a and tooth bottoms 2442b far from one end of the tooth tops 2442a, the height of each arc-shaped ratchet 2442 decreases along the direction from the tooth top 2442a to the tooth bottom 2442b, the arc-shaped grooves 2471 comprise abutting ends 2471a and sliding ends 2471b, and the depth of each arc-shaped groove 2471 increases along the direction from the sliding end 2471b to the abutting end 2471 a.

The working principle of the device is as follows: when the arcuate ratchet 2442 engages the arcuate recess 2471, the tooth top 2442a is connected to the abutment end 2471a and the tooth bottom 2442b is connected to the sliding end 2471b. When the forward and reverse rotation driving motor 241 rotates forward, the tooth top 2442a of the arc-shaped ratchet 2442 of the first gear mechanism 242 abuts against the abutting end 2471a of the arc-shaped groove 2471 to rotate the gear 244 of the first gear mechanism 242 so as to drive the bag feeding mechanism 22, the tooth top 2442a of the arc-shaped ratchet 2442 of the second gear mechanism 243 slides from the sliding end 2471b of the arc-shaped groove 2471 and compresses the spring 2481, the fixing piece 245 of the second gear mechanism 243 drives the transmission piece 247 to idle, and the necking mechanism 23 does not operate; when the garbage bag 3 is transferred between the first guide plate 232 and the second guide plate 233, the forward and reverse rotation driving motor 241 is reversed, the tooth top 2442a of the arc-shaped ratchet 2442 of the second gear mechanism 243 is abutted against the abutment end 2471a of the arc-shaped groove 2471 to rotate the gear 244 of the second gear mechanism 243, the second gear mechanism 243 drives the scissor hinge assembly 231 to further drive the first guide plate 232 to relatively slide towards the second guide plate 233 to achieve the shrinkage of the garbage bag, the tooth top 2442a of the arc-shaped ratchet 2442 of the first gear mechanism 242 slides from the sliding end 2471b of the arc-shaped groove 2471 and compresses the spring 2481, the fixing piece 245 of the first gear mechanism 242 drives the transmission piece 247 to idle, and the bag feeding mechanism 22 fixes the garbage bag 3. Compared with the traditional ratchet mechanism, the device has the advantages that the ratchet wheel is pushed to move step by step through the pawl, the pawl is arranged in the ratchet mechanism through the pin shaft, as shown in fig. 14, because the motor of the device needs to drive the ratchet mechanism to rotate forward and reversely frequently to realize the movement of different mechanisms, when the pawl rotates reversely, the ratchet teeth of the ratchet wheel are clamped with the pawl to realize the movement of the ratchet wheel, at the moment, the pawl is subjected to the reverse acting force of the ratchet teeth, if the mechanism is more complex and heavier, the reverse acting force of the pawl is larger, the pin shaft is used as a small-diameter part, the pin shaft can not bear the stress to cause the breakage of the pin shaft in the long-term use process, the service life of the device is influenced, the transmission piece 247 of the device can not only realize the function of unidirectional rotation, but also the structure of the transmission piece 247 is stable, the service life of the device is effectively improved, and the transmission stability is ensured.

Referring to fig. 15 to 17, the bag feeding mechanism 22 is disposed below the garbage bag fixing mechanism 21, and includes a driven gear set 221 and a bag feeding wheel set 222 driven by the driven gear set 221, where the first gear set 2421 and the second gear set 2422 are disposed in the same direction, so as to ensure that the bag feeding mechanisms 22 at two ends move synchronously, and prevent side leakage of excrement caused by the asynchronization of the bag feeding mechanisms 22. The bag feeding mechanism 22 comprises a symmetrically arranged mounting housing 223, the first gear set 2421 and the second gear set 2422 are arranged in the mounting housing 223, and because the first gear mechanism 242 is not provided with an axial limit, the mounting housing 223 is used as a limiting device of the first gear mechanism 242 to prevent the gear 244 of the first gear mechanism 242 from being separated from the transmission piece 247, the arc-shaped ratchet 2442 cannot be meshed with the arc-shaped groove 2471, so that the first gear mechanism 242 fails, and the bag feeding mechanism 22 cannot operate. Each gear set is meshed with the driven gear set 221, a bag feeding wheel set 222 is arranged on the driven gear set 221, the driven gear set 221 comprises a first driven gear 2211 and a second driven gear 2212, a transmission gear is further arranged between the second driven gear 2212 and the gear 244 and used for conducting, the bag feeding wheel set 222 comprises a first driven wheel 2221 arranged on the first driven gear 2211 and a second driven wheel 2222 arranged on the second driven gear 2212, and the first driven wheel 2221 and the second driven wheel 2222 are tangent to fix a garbage bag 3. The driven gear set 221 is provided with a torsion spring assembly 224, the torsion spring assembly 224 includes a straight slot 2241 disposed at one end of the mounting housing 223 far away from the first gear mechanism 242, the first driven wheel 2221 penetrates through the straight slot 2241 through a rotating shaft 2242 to be connected with a first driven gear 2211, an arc-shaped stop 2243 is sleeved on the rotating shaft 2242, a second torsion spring 2244 is disposed below the rotating shaft 2242, the second torsion spring 2244 is abutted to the arc-shaped stop 2243 to realize small displacement of the first driven wheel 2221 so as to fix the garbage bag 3, the mounting housing 223 further includes a torsion spring stop 2245 disposed below the straight slot 2241, one end of the second torsion spring 2244 is abutted to the torsion spring stop 2245, and the other end is abutted to the arc-shaped stop 2243.

Referring to fig. 18 to 22, the necking mechanism 23 is disposed below the bag feeding mechanism, and includes a scissor hinge assembly 231 and a first guide plate 232 disposed on the scissor hinge assembly 231, and a second guide plate 233 disposed opposite to the first guide plate 232. The garbage bag fixing mechanism 21 comprises a hollow column body 211, the hollow column body 211 comprises a mounting column 215 with a side wall extending vertically downwards, a fixing rod 2151 is arranged in the mounting column 215, a gear 244 of the second gear mechanism 243 is meshed with a rack 249, and the gear of the second gear mechanism 243 is integrally formed by double gears, so that the garbage bag fixing mechanism has the advantages of increasing the contact area with the rack 249 and increasing the stability of equipment, the rack 249 is provided with a sliding groove 2491 matched with the fixing rod 2151, and the sliding groove 2491 can be slidably connected with the fixing rod 2151; the scissors hinge assembly 231 includes 2 to 6 scissors groups, and preferably, the scissors hinge assembly 231 includes: 3-5 groups of scissors fork groups. In one embodiment, the scissor hinge assembly 231 includes: 4 shearing fork groups. Specifically, the scissors hinge assembly 231 comprises a first scissors assembly 2311, which comprises two first scissors arms 2311a, wherein one end of the first scissors arms 2311a is rotatably arranged on the fixed rod 2151; the fixing rod 2151 passes through the sliding slot 2491 to be connected with a first through hole 2311b at the crossing point of the first scissor set 2311;

the second shearing fork group 2312 comprises two second shearing fork arms 2312a which are arranged in a crossing manner, one end of each second shearing fork arm 2312a is respectively connected with the other end of each first shearing fork arm 2311a in a rotating manner, a second through hole 2312b is formed in the crossing point of each second shearing fork arm 2312a, the second through holes 2312b are fixed through a practical bolt, the rack 249 is provided with a bolt hole 2492, and the bolt hole 2492 is connected with the second through hole 2312b in the crossing point of the second shearing fork group 2312.

The third shearing fork group 2313 comprises two third shearing fork arms 2313a which are arranged in a crossing way, and a third through hole 2313b is arranged at the crossing point of each third shearing fork arm 2323c1, and the third through holes 2313b are fixed by bolts; one end of each third scissor arm 2323c1 is respectively connected with the other end of each second scissor arm 2312a in a rotating manner, the third scissor arms are conductive, a plurality of groups of third scissor groups 2323c can be arranged, and in this embodiment, a group of third scissor groups 2323c is arranged.

A fourth scissors group 2314, which comprises two fourth scissors arms 2314a arranged in a crossing manner, wherein a fourth strip-shaped through hole 2314b is arranged at the crossing point of each fourth scissors arm 2314 a; one end of each fourth shearing arm 2314a is rotatably connected with the other end of each third shearing arm 2313a, the fourth strip-shaped through holes 2314b are fixed by bolts, according to the working principle of the shearing hinge, in order to realize that the fourth shearing arms 2314a are far away from one end of the third shearing arm 2313 and are rotatably connected with the first guide plate 232, the movement stability of the shearing hinge assembly 231 is increased, therefore, the fourth strip-shaped through holes 2314b are arranged to realize the angle change between the fourth shearing arms 2314a so as to realize the movement of the shearing hinge assembly 231, the fourth shearing arms 2314a also have a limiting function to limit the shearing hinge assembly 231 to move within the length range of the fourth strip-shaped through holes 2314b, the stability of the shearing hinge assembly 231 is utilized to ensure the stability of the reciprocating movement, and the shearing hinge assembly 231 can swing along with the rack 249 to increase the range, the energy consumption is reduced, and the efficiency is improved.

The gear 244 of the second gear mechanism 243 is far away from one end of the first accommodating groove 2441 and is provided with a torsion spring accommodating groove 2443, a first torsion spring 2444 is accommodated in the torsion spring accommodating groove 2443, an arc-shaped through hole 2445 is formed in the bottom of the torsion spring accommodating groove 2443, a torsion spring mounting column 216 is vertically and downwardly extended from the side wall of the hollow cylinder 211, one end of the first torsion spring 2444 is arranged in the arc-shaped through hole 2445, the other end of the first torsion spring 2444 is arranged in the torsion spring mounting column 216, the gear 244 of the second gear mechanism 243 is far away from one end of the fixing piece 245 and is provided with a buckle, in other embodiments, the buckle is replaced with a limiting piece 40, the limiting piece 40 is an arc-shaped shaft sleeve 401 with one side opening, a bolt fixing seat 402 is arranged at the opening of the arc-shaped shaft sleeve 401, a bolt is mounted on the bolt fixing seat 402 and a nut which is in threaded connection with the bolt, a plurality of arc-shaped protruding blocks 403 are arranged on the inner wall of the arc-shaped shaft sleeve 401, the friction force can be increased, the limiting function is enhanced, one end of the arc-shaped shaft sleeve 401 is far away from the bolt fixing seat 402 is provided with a fixing bolt hole, and the bolt hole is fixed on the optical axis 404. The fixed bolt hole 404 is in a straight slot shape, and a plurality of arc steps 404a are symmetrically arranged at two arc ends of the fixed bolt hole 404. The arc-shaped step 404a can enhance the fastening function of the bolt and prevent the bolt from loosening and losing the limit function when the device is operated.

For limiting the movement of the gear 244, adding a limiting function of the first torsion spring 2444, preventing the gear 244 of the second gear mechanism 243 from being separated from the driving element 247, the arc-shaped ratchet 2442 cannot be meshed with the arc-shaped groove 2471, so that the second gear mechanism 243 fails, the necking mechanism 23 cannot operate, and the first torsion spring 2444 also has the following functions: since the second gear mechanism 243 has only a unidirectional rotation function, when the first guide plate 232 moves toward the second guide plate 233 to shrink, the first guide plate 232 cannot be recovered, so that the first torsion spring 2444 is provided, when the first guide plate 232 moves toward the second guide plate 233, the first torsion spring 2444 is in torsion rotation, and after the shrink is completed, the second gear mechanism 243 rotates to an initial position in the opposite direction due to the torsion action of the first torsion spring 2444, so that the resetting of the first guide plate 232 is completed.

The first guide plate 232 and the second guide plate 233 are both of a double-layer structure, the first guide plate 232 comprises an upper clamping plate 2321 and a lower clamping plate 2322, the second guide plate 233 is provided with an upper clamping plate guide groove 2331 and a lower clamping plate guide groove 2332 which are respectively matched with the upper clamping plate 2321 and the lower clamping plate 2322, the upper clamping plate 2321 is in sliding connection with the upper clamping plate guide groove 2331 so as to enable the upper part of a garbage bag opening to be contracted, the lower clamping plate 2322 is in sliding connection with the lower clamping plate guide groove 2332 so as to enable the lower part of the garbage bag opening to be contracted, so that the sealing of the garbage bag 3 is achieved more accurately, and the guiding function of the first guide plate 232 and the second guide plate 233 is utilized to increase the stability of the sealing of the garbage bag.

Referring to fig. 19 to 23, the heat seal bag opening mechanism 25 includes: the garbage bag comprises a first heat-sealing knife 251 and a second heat-sealing knife 252 which is arranged opposite to the first heat-sealing knife 251, wherein the second heat-sealing knife 252 is used for moving towards the first heat-sealing knife 251 under the drive of a transmission mechanism 24 so as to realize heat sealing of the contracted garbage bag. Each heat-seal knife comprises a heat-seal knife substrate 2511 and a heat-seal knife edge 2512 vertically connected to the heat-seal knife substrate 2511, the first heat-seal knife 251 is arranged between an upper clamping plate guide groove 2331 and a lower clamping plate guide groove 2332 of the second guide plate 233, the second heat-seal knife 252 is fixed between an upper clamping plate 2321 and a lower clamping plate 2322 of the first guide plate 232, and the heat-seal device further comprises a heating wire (not shown in the figure) arranged on the inner side of the heat-seal knife substrate 2511.

The utility model also discloses a control method of the single-motor-driven toilet seat, which comprises the following steps:

s10: the steps of fixing the garbage bag 3 to the garbage bag fixing mechanism 21 include: the garbage bag 3 is sleeved on the outer side of the hollow cylinder 211 at one end, the annular fixing ring 213 is sleeved on the outer side of the hollow cylinder 211, the garbage bag opening is arranged between the annular fixing ring 213 and a gap of the hollow cylinder 211, and the toilet seat 214 is buckled. The bagging correction is used to co-locate one end of the waste bags 3 in the bag feed wheel set 222 and then removed.

S20: the forward and reverse rotation driving motor 241 rotates forward, and the bag feeding mechanism 22 stretches the garbage bag 3 out of the garbage bag fixing mechanism 21: the sensor senses that the human body leaves the toilet seat, the forward and reverse rotation driving motor 241 is rotated forward, the bag feeding mechanism 22 is started, the two side bag feeding wheel sets 222 clamp the garbage bag 3 or the soft bag, and the garbage bag 3 is synchronously pulled downwards to be separated from the hollow column 211.

S30: the bag feeding mechanism 22 feeds bags to a preset distance, wherein the distance is that the garbage bag opening is within the working range of the necking mechanism 23.

S40: when the toilet is finished, the forward and reverse rotation driving motor 241 reversely rotates, the necking mechanism 23 and the heat sealing bag opening mechanism 25 are used for necking and heat sealing, the forward and reverse rotation driving motor 241 reversely rotates to drive the scissors hinge 2323 so as to drive the first guide plate 232 to relatively slide towards the second guide plate 233, so that the shrinkage of the garbage bag opening is realized, the heat sealing bag opening assembly 25 is opened for heat sealing the bag opening of the garbage bag 3 after the shrinkage of the bag opening, the heat sealing and packaging of the garbage bag 3 are completed, and the excrement is prevented from overflowing.

S50: the forward and reverse rotation driving motor 241 rotates forward, and the bag feeding mechanism 22 feeds bags for a preset distance again, so that the packed garbage bags 3 are moved to the stripper plate 26 at the bottom of the toilet seat body 1 to finish discharging.

Embodiment two:

referring to fig. 24, another embodiment of the present utility model further includes a single motor driven trash can, comprising:

the garbage can body 4 comprises a garbage bag storage opening and a discharge opening, and the shape and the structure of the garbage can body 4 are not limited and can be selected according to actual needs. For example, the structure may be a rectangular parallelepiped, a square, or the like. In one embodiment, the garbage can body 4 is a cuboid, the garbage bag storage opening is formed in the top of the cuboid, and the discharge opening is formed in the side wall (not shown in the figure) of the cuboid.

A garbage bag fixing mechanism 21 arranged at the garbage bag storage opening and used for storing the hollow garbage bag 3;

the bag feeding mechanism 22 is arranged below the garbage bag fixing mechanism 21 and comprises a driven gear set 221 and a bag feeding wheel set 222 driven by the driven gear set 221, and the bag feeding mechanism 22 is used for downwards conveying the garbage bags 3;

the necking mechanism 23 is arranged below the bag feeding mechanism and comprises a scissor hinge assembly 231 and a first guide plate 232 arranged on the scissor hinge assembly 231, and a second guide plate 233 arranged opposite to the first guide plate 232; and

the transmission mechanism 24 comprises a forward and reverse rotation driving motor 241, the forward and reverse rotation driving motor 241 drives a first gear mechanism 242 and a second gear mechanism 243 which is reversely arranged with the first gear mechanism 242, and when the forward and reverse rotation driving motor 241 rotates forward/reversely, the first gear mechanism 242 drives the driven gear group 221 so as to enable the garbage bag 3 sleeved on the bag conveying mechanism 22 to be conveyed downwards; when the forward/reverse rotation driving motor 241 rotates in reverse/forward rotation, the second gear mechanism 243 drives the scissor hinge assembly 231 to further drive the first guide plate 232 to slide relatively towards the second guide plate 233, so as to achieve the shrinkage and opening of the garbage bag 3.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (9)

1. A single motor-driven toilet seat, comprising:

the toilet seat body (1) comprises a garbage bag storage opening and a discharge opening;

a garbage bag fixing mechanism (21) arranged at the garbage bag storage opening and used for storing hollow garbage bags (3);

the bag conveying mechanism (22) is arranged below the garbage bag fixing mechanism (21) and comprises a driven gear set (221) and a bag conveying wheel set (222) driven by the driven gear set (221), and the bag conveying mechanism (22) is used for conveying garbage bags (3) downwards;

the necking mechanism (23) is arranged below the bag conveying mechanism and comprises a scissor hinge assembly (231) and a first guide plate (232) arranged on the scissor hinge assembly (231), and a second guide plate (233) arranged opposite to the first guide plate (232); and

the transmission mechanism (24) comprises a forward and reverse rotation driving motor (241), the forward and reverse rotation driving motor (241) drives a first gear mechanism (242) and a second gear mechanism (243) which is reversely arranged with the first gear mechanism (242), and when the forward and reverse rotation driving motor (241) rotates forward/reversely, the first gear mechanism (242) drives the driven gear group (221) so as to enable the garbage bag (3) sleeved on the bag conveying mechanism (22) to be conveyed downwards; when the forward and reverse rotation driving motor (241) rotates reversely/positively, the second gear mechanism (243) drives the scissor hinge assembly (231) to drive the first guide plate (232) to slide towards the second guide plate (233) relatively so as to realize the contraction and opening of the garbage bag (3);

and a heat-sealing bag opening mechanism (25) which is arranged on the first guide plate (232) and/or the second guide plate (233) and is used for heat-sealing the contracted garbage bag (3).

2. The single motor-driven toilet chair according to claim 1, wherein the forward and reverse rotation driving motor (241) drives the driving shaft (2413), the second gear mechanism (243) is disposed in the middle of the driving shaft (2413), the first gear mechanism (242) includes a first gear set (2421) disposed at one end of the driving shaft (2413) and a second gear set (2422) disposed at one end of the driving shaft (2413) far away from the first gear set (2421), the second gear set (2422) and the second gear mechanism (243) each include a gear (244) disposed in a non-rotating manner coaxially with the driving shaft (2413), a first accommodating groove (2441) is disposed on a side wall of the gear (244), a fixing member (245) disposed in the first accommodating groove (2441) and rotating synchronously with the driving shaft (2413), a second accommodating groove (2451) is disposed on a side wall of the fixing member (245), a first accommodating groove (246) and a second accommodating groove (246) are disposed in the first accommodating groove (2441) and a second accommodating groove (248) are disposed in the same manner as the first accommodating groove (2441) and the second accommodating groove (2441) rotates synchronously with the first accommodating groove (248), the transmission piece (247) is provided with an arc-shaped groove (2471) matched with the arc-shaped ratchet (2442), and the arc-shaped ratchet (2442) is meshed with the arc-shaped groove (2471).

3. The single motor driven toilet chair according to claim 2, wherein the arc-shaped ratchets (2442) comprise tooth tops (2442 a) and tooth bottoms (2442 b) far from one end of the tooth tops (2442 a), the height of each arc-shaped ratchet (2442) decreases in the direction from the tooth tops (2442 a) to the tooth bottoms (2442 b), the arc-shaped grooves (2471) comprise abutting ends (2471 a) and sliding ends (2471 b), the depth of each arc-shaped groove (2471) increases in the direction from the sliding ends (2471 b) to the abutting ends (2471 a), the tooth tops (2442 a) are connected with the abutting ends (2471 a) when the arc-shaped ratchets (2442) engage the arc-shaped grooves (2471), and the tooth bottoms (2442 b) are connected with the sliding ends (2471 b).

4. A single motor driven toilet seat according to claim 3, wherein a plurality of limiting blocks (2452) are arranged on the side wall of the fixing piece (245), a limiting groove (2472) matched with the limiting block (2452) is arranged on the transmission piece (247), and the limiting block (2452) is connected with the limiting groove (2472) to enable the fixing piece (245) and the transmission piece (247) to coaxially rotate; a spring accommodating groove (248) is arranged between the fixing piece (245) and the transmission piece (247), a spring (2481) is arranged in the spring accommodating groove (248), when the forward and reverse rotation driving motor (241) rotates positively, the tooth top (2442 a) of the arc-shaped ratchet (2442) of the first gear mechanism (242) is abutted against the abutting end (2471 a) of the arc-shaped groove (2471) to enable the gear (244) of the first gear mechanism (242) to rotate, the tooth top (2442 a) of the arc-shaped ratchet (2442) of the second gear mechanism (243) slides from the sliding end (2471 b) of the arc-shaped groove (2471) and compresses the spring (2481), and the fixing piece (245) of the second gear mechanism (243) drives the transmission piece (247) to idle; when the forward and reverse rotation driving motor (241) rotates reversely, the tooth top (2442 a) of the arc-shaped ratchet (2442) of the second gear mechanism (243) is abutted against the abutting end (2471 a) of the arc-shaped groove (2471) to enable the gear (244) of the second gear mechanism (243) to rotate, the tooth top (2442 a) of the arc-shaped ratchet (2442) of the first gear mechanism (242) slides from the sliding end (2471 b) of the arc-shaped groove (2471) and compresses the spring (2481), and the fixing piece (245) of the first gear mechanism (242) drives the transmission piece (247) to idle.

5. The single motor-driven toilet chair according to claim 2, wherein the first gear set (2421) and the second gear set (2422) are arranged in the same direction, the bag feeding mechanism (22) comprises a symmetrically arranged mounting housing (223), the first gear set (2421) and the second gear set (2422) are arranged in the mounting housing (223), each gear set is meshed with the driven gear set (221), the bag feeding wheel set (222) is arranged on the driven gear set (221), the driven gear set (221) comprises a first driven gear (2211) and a second driven gear (2212), the bag feeding wheel set (222) comprises a first driven wheel (2221) arranged on the first driven gear (2211) and a second driven wheel (2222) arranged on the second driven gear (2212), and the first driven wheel (2221) and the second driven wheel (2222) are tangent to fix a garbage bag (3).

6. The single motor driven toilet chair according to claim 4, wherein the garbage bag fixing mechanism (21) comprises a hollow column (211), the hollow column (211) comprises a mounting column (215) with a side wall extending vertically downwards, a fixing rod (2151) is arranged in the mounting column (215), a gear (244) of the second gear mechanism (243) is meshed with a rack (249), the rack (249) is provided with a sliding groove (2491) matched with the fixing rod (2151), and the sliding groove (2491) is slidably connected with the fixing rod (2151); the scissors hinge assembly (231) comprises 2-6 scissors groups, the fixing rod penetrates through the sliding groove to be connected with a first through hole (2311 b) in the cross point of the first scissors group (2311), the rack (249) is provided with a bolt hole (2492), and the bolt hole (2492) is connected with a second through hole (2312 b) in the cross point of the second scissors group (2312).

7. The single motor driven toilet chair according to claim 6, wherein the gear (244) of the second gear mechanism (243) is provided with a torsion spring accommodating groove (2443) at one end far away from the first accommodating groove (2441), the first torsion spring (2444) is accommodated in the torsion spring accommodating groove (2443), an arc-shaped through hole (2445) is provided at the bottom of the torsion spring accommodating groove (2443), a torsion spring mounting column (216) vertically extends downwards from the side wall of the hollow column (211), one end of the first torsion spring (2444) is arranged in the arc-shaped through hole (2445), and the other end of the first torsion spring (2444) is arranged in the torsion spring mounting column (216).

8. A single motor driven toilet chair as claimed in claim 1, wherein the heat seal pocket mechanism (25) comprises: the garbage bag comprises a first heat-sealing knife (251) and a second heat-sealing knife (252) which is arranged opposite to the first heat-sealing knife (251), wherein the second heat-sealing knife (252) is used for moving towards the first heat-sealing knife (251) under the drive of a transmission mechanism (24) so as to realize heat sealing of a contracted garbage bag opening.

9. A single motor driven trash can, comprising:

the garbage can body (4) comprises a garbage bag storage opening and a discharge opening;

a garbage bag fixing mechanism (21) arranged at the garbage bag storage opening and used for storing hollow garbage bags (3);

the bag conveying mechanism (22) is arranged below the garbage bag fixing mechanism (21) and comprises a driven gear set (221) and a bag conveying wheel set (222) driven by the driven gear set (221), and the bag conveying mechanism (22) is used for conveying garbage bags (3) downwards;

the necking mechanism (23) is arranged below the bag conveying mechanism and comprises a scissor hinge assembly (231) and a first guide plate (232) arranged on the scissor hinge assembly (231), and a second guide plate (233) arranged opposite to the first guide plate; and

the transmission mechanism (24) comprises a forward and reverse rotation driving motor (241), the forward and reverse rotation driving motor (241) drives a first gear mechanism (242) and a second gear mechanism (243) which is reversely arranged with the first gear mechanism (242), and when the forward and reverse rotation driving motor (241) rotates forward/reversely, the first gear mechanism (242) drives the driven gear group (221) so as to enable the garbage bag (3) sleeved on the bag conveying mechanism (22) to be conveyed downwards; when the forward and reverse rotation driving motor (241) rotates reversely/positively, the second gear mechanism (243) drives the scissor hinge assembly (231) to drive the first guide plate (232) to slide towards the second guide plate (233) relatively so as to realize the contraction and opening of the garbage bag (3);

and a heat-sealing bag opening mechanism (25) which is arranged on the first guide plate (232) and/or the second guide plate (233) and is used for heat-sealing the contracted garbage bag (3).