CN114411906B

CN114411906B - Chinese type squatting pan

Info

Publication number: CN114411906B
Application number: CN202210139569.0A
Authority: CN
Inventors: 张爱莉; 贾昊; 王奕凡; 王皖皖; 杨子毅
Original assignee: Beijing University of Technology
Current assignee: Beijing University of Technology
Priority date: 2022-02-16
Filing date: 2022-02-16
Publication date: 2024-08-20
Anticipated expiration: 2042-02-16
Also published as: CN114411906A

Abstract

The invention discloses a Chinese type squatting pan, wherein a U-shaped urinal main body comprises a U-shaped main body structure, the front end of the U-shaped main body structure is a W-shaped leg contact surface, and the rear end of the U-shaped main body structure is a water tank; the middle of the U-shaped main body structure is a urinal, and the inner cavity wall of the urinal is a steep curve splash-proof structure; the two sides of the U-shaped main body structure are not provided with any supporting structure; the inner cavity wall of the urinal is provided with a water injection hole which is connected with the water tank. The curve steep splash-proof structure is characterized in that the curve steep and concave from two sides to the middle part; the water tank is provided with an upper rotating shaft and a lower rotating shaft, and the back support arm is connected with the back support plate through the front and back rotating shafts to adjust the back support plate back and forth, so that self-adaptive adjustment of the back is realized. The invention follows the man-machine design principle of safety, effectiveness, health and comfort of the toilet, increases the use comfort of the toilet compared with the traditional squatting pan, reduces the contact area between the body and the toilet compared with the sitting type toilet, improves the sanitation level, and is suitable for the toilet space in public places.

Description

Chinese type squatting pan

Technical Field

The invention belongs to product design, relates to interaction and green design, and particularly relates to design which is more in line with different user scales under the angle of meeting ergonomics.

Background

In life, the closestool is widely applied to families and public toilets, and is one of the most common sanitary products used at home and abroad. Under the double promotion of economy and science and technology, various intelligent toilets are favored by people. The toilet with clean, sanitary and complete facilities is enjoyed, and the traditional simple physiological requirement is gradually changed into the requirement of people for good life, and the quality of life and the civilization degree of the whole society are improved.

The toilet mode is the development process from squatting to sitting, and is also gradually in line with the development process of behavior culture and ergonomics of people. The intelligent toilet is also added with a plurality of intelligent elements on the basis of the common toilet, thereby meeting the basic use requirements of people and realizing the physiological and psychological requirements. Intelligent toilets are becoming the first choice for many households, and demand continues to grow despite the relatively high price.

However, there are a number of problems with such toilet products:

1. the optimal defecation posture of the human body cannot be satisfied. There are many organization systems involved in defecation control, and different defecation postures and habits can affect defecation demand and efficiency. Although the toilet bowl can highly improve the defecation comfort of people, the defecation efficiency is affected; although the squatting pan accords with the defecation rule of a human body, the squatting pan brings more body load after a long time.

2. Public health environments are of concern. At present, the toilet bowl is slowly popularized in public toilets, but the public sanitary problem is quite remarkable, and the transmission of germs caused by direct contact between the buttocks of a user and the toilet seat leads a plurality of people to squat on the toilet bowl, so that the risk of falling injury is not only caused, but also the cleaning burden is increased.

3. The intelligent closestool has high manufacturing cost and maintenance cost and is not suitable for public places. The existing intelligent closestool has endless functions of automatic cleaning, sterilization and the like in order to meet the use demands of people, but the problems of complicated cleaning steps and long time are needed to be studied again.

4. The consideration for the special population is incomplete. The elderly and children are special groups to be cared for, the living habit of the children is in a culturing stage and the body functions of the elderly gradually decline, and the dangers such as dizziness, falling and the like are problems to be cared for in toilet products.

Under this background, there is an increasing demand for toilet products that are comfortable and meet the behavioral habits and ergonomics of people.

Disclosure of Invention

Aiming at the problem of toilet sanitation in public buildings, the invention designs the squatting pan which integrates the advantages of squatting pan health and sitting comfort, improves the scientificity, advancement and effectiveness of the use of the squatting pan, and optimizes the comfortable and sanitary toilet experience of users.

The technical scheme adopted by the invention is that the Chinese type squatting pan is characterized in that a U-shaped urinal main body comprises a U-shaped main body structure 8, the front end of the U-shaped main body structure 8 is a W-shaped leg contact surface 3, and the rear end of the U-shaped main body structure 8 is a water tank; the middle of the U-shaped main body structure 8 is a urinal, and the inner cavity wall of the urinal is a sharp-curve steep splash-proof structure; no support structure is arranged on the two sides of the U-shaped main body structure 8; the inner cavity wall of the urinal is provided with a water injection hole which is connected with the water tank.

The curve steep splash-proof structure is characterized in that the curve steep and concave from two sides to the middle part, the minimum distance between a human body and the bottom of the urinal is controlled to be 8cm, and the drain hole 9 on the urinal is deeply buried and is arranged at the rear; the lower part of the contact surface 3 of the W-shaped leg part is provided with a front edge check, the front edge check is widened and thickened, and the inner side of the front edge check is provided with a deep concave curve to prevent splash back.

An upper rotating shaft 6 and a lower rotating shaft 6 are arranged outside the water tank, and the upper rotating shaft 6 and the lower rotating shaft 6 are connected with one end of a back supporting arm 7 to adjust the back supporting arm 7 up and down; the other end of the back support arm 7 is connected with the back support plate 1 through the front-back rotating shaft 2 to adjust the back support plate 1 back and forth, so as to realize self-adaptive adjustment of the back.

Further, a water tank cover 4 is arranged on the water tank.

Further, an internal drainage system 5 is arranged in the water tank.

Further, the drain hole 9 is connected to a siphon drain pipe 56.

Further, the internal drainage system 5 includes an injection valve 51, an injection float 52, an overflow pipe 53, a flush valve 54, a water channel 55, a siphon drainage pipe 56, and a chain 57; the water injection hole is communicated with the water tank through a water flow channel 55, and a flushing valve 54 is arranged at the joint of the water flow channel 55 and the water tank; the flushing valve 54 is connected with the upper and lower rotating shafts 6 through a chain 57; the flushing valve 54 is connected with the injection float 52, and the injection float 52 is connected with the injection valve 51; the flushing valve 54 is also connected to the overflow pipe 53 on one side.

The beneficial effects of the invention are as follows: ① The design of the product takes the human body as the core. The invention always takes the people as a basis in the design, focuses on the psychological demands of the user in the toilet from the aspect of the behavior culture of the user, follows the man-machine design principle of the safety, effectiveness, health and comfort of the toilet, and aims at the defects of the using posture and mode of the present domestic toilet products, and the invention innovates the toilet to integrate the advantages of the health of the squatting pan and the labor saving of the squatting pan, thereby designing the Chinese type squatting pan. Compared with the traditional squatting pan, the invention increases the use comfort of the toilet, reduces the contact area between the body and the toilet, improves the sanitation level, and is suitable for the toilet space in public places. ② Structural design with safety and health as core. Based on the human-machine engineering principle and the analysis of the behavior of the national toilet, the invention refers to the standard of the 'size of the Chinese adult' and designs a brand new main structure of the U-shaped urinal and the additional back supporting plate by taking the factors of the static size, the weight, the posture and the like of the human body as the basis and taking the optimal defecation rectal angle constraint of the human body and the existing toilet-using habit as the basis into consideration, and removing the seat plate of the traditional toilet. The structure is restrained by the U-shaped groove edge and the position of the supporting plate, so that on one hand, the bearing capacity of the joints of the human body is assisted, and the muscle main power level can be reduced by 50%; on the other hand, the abdomen and the legs of the user are ensured to form an extrusion relation of about 35-45 degrees, so that the U-shaped puborectalis muscle of the human body can smoothly pull the rectum hook by 100-110 degrees, and healthy and smooth defecation is promoted. ③ The market prospect of popularization is realized. The product has simple structure, convenient use and increased adjustable device, can well meet the requirements of different people for using the toilet in public buildings, and has higher cost performance. The novel toilet bowl has the advantages of subversion innovation in structural modeling and use modes, reasonable design, great market advantages, capability of standing out from the market of a toilet bowl with serious homogeneity, mass production and great market potential.

Drawings

FIG. 1 is a schematic view of the structure of the squatting pan of the present invention.

FIG. 2 is a schematic cross-sectional view of the squatting pan of the present invention.

FIG. 3 is a force analysis diagram of a toilet, a squatting pan, and a toilet.

Fig. 4 is a cross-sectional view of the present invention.

Fig. 5 is a detailed view of the present invention.

Detailed Description

Specific embodiments of the present invention are given below with reference to the accompanying drawings.

The Chinese type squatting pan mainly comprises a squatting pan main body and a back support. Reasonable and effective support is provided for human bodies, corresponding man-machine design changes are carried out according to the requirements of different users, safety and comfort are ensured, and humanized requirements of the users are met. The squatting pan main body has stable supporting property, is stable and firm, can safely support a human body, has a structural form of a part contacted with the human body, accords with ergonomics, is comfortable and tireless in the use process, and is not easy to strike and fall down. The back support part is matched with the human body size, so that stable support is provided for the back of a user, and an anti-slip design is arranged on the contact interface between the back support part and the back of the user, so that the physical burden during toilet use is greatly reduced, and the comfort is ensured.

The Chinese type squatting pan comprises a U-shaped urinal main body, wherein the front end of the U-shaped main body structure 8,U is a W-shaped leg contact surface 3, and the rear end of the U-shaped main body structure 8 is a water tank; the middle of the U-shaped main body structure 8 is a urinal, and the inner cavity wall of the urinal is a sharp-curve steep splash-proof structure; no support structure is arranged on the two sides of the U-shaped main body structure 8; the inner cavity wall of the urinal is provided with a water injection hole which is connected with the water tank.

Further, a water tank cover 4 is arranged on the water tank.

Further, an internal drainage system 5 is arranged in the water tank.

Further, the drain hole 9 is connected to a siphon drain pipe 56.

Further, the internal drainage system 5 includes an injection valve 51, an injection float 52, an overflow pipe 53, a flush valve 54, a water channel 55, a siphon drainage pipe 56, and a chain 57; the water injection hole is communicated with the water tank through a water flow channel 55, and a flushing valve 54 is arranged at the joint of the water flow channel 55 and the water tank; the flushing valve 54 is connected with the upper and lower rotating shafts 6 through a chain 57; the flushing valve 54 is connected with the injection float 52, and the injection float 52 is connected with the injection valve 51; the flushing valve 54 is also connected to the overflow pipe 53 on one side. The internal drainage system is a conventional toilet drainage structure, and the chain 57 is connected with the upper and lower rotating shafts 6, so that water in the water tank can be flushed before use and after use when a user uses the water tank, and can be flushed twice; the upper and lower rotating shafts 6 can control the flushing valve 54 to flush the U-shaped main body structure 8 when a user leans up or leaves the back support arm 7; the chain 57 may also be modified to be infrared or other inductively controlled to drain.

The total length of the product is 780mm, the maximum width is 540mm, the minimum width is 390mm, the maximum height is 750mm, and the height of the popliteal fossa support is 400mm.

The invention firstly removes the seat board of the traditional closestool, and redesigns the seat board into a u-shaped urinal by combining the shape of the closestool and the shape of the squatting pan, and the front end surface of the squatting pan, namely the leg bending contact surface, presents a W-shaped curve shape. When in use, the back of a user is tightly attached to the back support part of the toilet, the buttocks are hung, the waist part is separated from the toilet from the thigh part, the leg bends support the stable body by the W-shaped contact surface, and the shanks naturally drop. The toilet posture enables the abdomen and the legs of the user to form an extrusion relation of about 35-45 degrees, so that the U-shaped puborectalis muscle of the human body can smoothly pull the rectal hook to a state of 100-110 degrees, and the defecation efficiency is greatly improved physiologically. The W-shaped leg bending contact surface is moderately widened under the stress, an anti-slip soft cushion can be added on the surface, the leg bending clamping force and the back clamping force are combined to form a hip-suspending fixed state, and anal muscles are relaxed to form a multi-point support: a leg bending upper support, a foot and a back front top anti-falling support. The backrest is used for increasing supporting points, stress is mainly concentrated on the leg bends and the front end parts of thighs, and the feet are grounded to play a role in auxiliary support and stress, so that the stress of the legs and the feet is dispersed in the toilet posture, the leg pressure is greatly reduced, the user can conveniently take the shape of the legs and relax the sagging, the load bearing of knee joints of a human body and the main power level of muscles of the lower legs can be reduced, and the comfort of toilet experience is improved. The contact area between the body of the user and the u-shaped urinal in the use process of the squatting pan is mainly a thigh small part area (possibly clothes blocking skin) close to the knee and a back and support plate contact area (possibly clothes blocking skin), so that the large-area direct contact of the user and a product is avoided to a certain extent, more comfortable and clean experience is brought to the user, and the sanitary requirement of people in the public building for using the toilet is met.

The inner cavity wall curve of the urinal is steep and splashproof. In order to avoid the contact between the body and the toilet, the left and right wings of the toilet are designed to be suddenly concave from front to back to the middle, so as to control the minimum distance between the human body and the bottom of the toilet to be 8cm, and simultaneously, the siphon drain pipe (mouth) of the toilet is deeply buried and is arranged at the rear. The middle curve of the left wing and the right wing of the squatting pan is sharply concave, so that not only can the splash and pollution of excrement caused by less defecation of a user be effectively prevented, but also the adhesion of the excrement and buttocks caused by more defecation of the user can be effectively prevented. Secondly, the front and rear curves of the toilet bowl are steep, the design of the large curvature of the inner chamber is more conducive to the urine and the feces to descend to the water outlet, and compared with the existing toilet bowl, the toilet bowl is easier to clean and avoids pollution. Meanwhile, the front edge check of the squatting pan is designed to widen the thickened wall thickness, and the inner side pocket of the check is provided with a deep concave curve to prevent urine from splashing back to the body of a user and causing pollution.

The W-shaped leg contact surface, the U-shaped main body structure, the water tank cover, reserved drain holes and other structures adopt grouting molding, small holes are reserved on two sides, an upper rotating shaft and a lower rotating shaft are connected in a threaded connection mode, the upper rotating shaft and the lower rotating shaft are connected with a back supporting arm in a pin connection mode, the back supporting arm is connected with a front rotating shaft and a back rotating shaft in a pin connection mode, and the front rotating shaft and the back supporting plate are also structurally connected in a pin connection mode. The internal drainage system is embedded into a reserved water tank of the closestool, and adopts the siphon flushing principle.

The U-shaped urinal body formed by removing the seat plates at two sides is internally provided with a drain hole, and the legs of a user lean against the contact surface of the W-shaped legs in the process of using the squatting pan, and the legs are in a W-curve shape. The front and back rotating shafts and the upper and lower rotating shafts are adjusted according to the back shape of a user when the user uses a toilet, so that the back is tightly attached to a back supporting plate of the toilet, the buttocks are hung, the waist is separated from the toilet to the thigh part, leg bends support the stable body by means of a W-shaped contact surface, and the lower legs naturally drop. The toilet posture enables the abdomen and the legs of the user to form an extrusion relation of about 35-45 degrees, so that the U-shaped puborectalis muscle of the human body can smoothly pull the rectal hook to a state of 100-110 degrees, and the defecation efficiency is greatly improved physiologically. On the stress, the bending force of the bent leg of the W-shaped leg contact surface is added with the back supporting plate, and the bending force and the back supporting plate are combined to form a fixed body state with the buttocks suspended, so that anus muscles are relaxed, and a multi-point support is formed: a leg bending upper support, a foot and a back front top anti-falling support. The backrest is used for increasing supporting points, stress is mainly concentrated on the leg bends and the front end parts of thighs, and the feet are grounded to play a role in auxiliary support and stress, so that the stress of the legs and the feet is dispersed in the toilet posture, the leg pressure is greatly reduced, the user can conveniently take the shape of the legs and relax the sagging, the load bearing of knee joints of a human body and the main power level of muscles of the lower legs can be reduced, and the comfort of toilet experience is improved. In the use process of the squatting pan, the contact area between the body of the user and the U-shaped urinal is mainly a thigh small part area (possibly clothes blocking skin) close to the knee and a back and support plate contact area (possibly clothes blocking skin), so that the large-area direct contact of the user and a product is avoided to a certain extent, more comfortable and clean experience is brought to the user, and the sanitary requirement of people in the public building for using the toilet is met.

The back support plate is arranged at the back of the toilet, the length of the back support plate is 450mm, the height of the back support plate is 132mm, the whole shape adopts the arc shape which is fit with the shape of the back of a human body and is contracted inwards, the back contact interface has the anti-skid design, the back support plate provides stable support for the back of a user, the problem of easy fatigue generated when the user uses the squatting pan to use the toilet is solved, meanwhile, the back support plate can assist the user to adopt the human body posture which is most beneficial to excretion in the toilet process, the physical burden in the toilet is greatly lightened, and the comfort is ensured. The backrest also plays a part in safety protection to a certain extent, and if a user uses the backrest improperly or negligently, the backrest support can prevent the user from sliding into the toilet. The horizontal distance from the back support contact surface to the popliteal fossa support is designed to be 350mm, in order to meet the human-computer size requirements of different people, an adjustable device is additionally arranged on the back support, and in the use process, different users can independently adjust in four directions from front to back and up to down according to the human-computer size and comfort level, so that the squatting pan can be suitable for more people, and the applicability is increased.

The invention has clear and easily understood modeling language, adopts the flow lines in the whole design, has simple, smooth and beautiful appearance, can be suitable for the toilet space in public places and forms good integration with the toilet environment. The invention pays attention to the integral curve beauty of the product, combines the round and soft shape with the smooth material, so that the product is more fashionable and concise, and can weaken the indifferent feel and the distance feel brought by hard materials to users, and increase the affinity feel.

The material is mainly ceramic or stainless steel, and the reason why the material is widely applied to bathroom products is mainly from the characteristics of the material. The material has the advantages of heat resistance, strong water resistance, comfortable material, high safety performance, good durability, smooth surface and convenient later cleaning and maintenance.

The invention is used in a labor-saving squatting and sitting mode, is close to a mental model when a user uses a toilet, and can be used by the user by only slightly adjusting the included angle between buttocks and legs on the basis of the original sitting mode when the user uses the sitting mode. In order to avoid urine splashing, a user is not suitable for standing, so the device is mainly suitable for females and male groups for squatting defecation (for defecation). The size of the urinal can be adjusted and designed according to the man-machine sizes of different users, the man-machine sizes of children are reasonably reduced for children, and structures such as a handrail handle and the like can be added for the old so as to enhance the use safety. In order to optimize the application scene, the toilet is generally installed by leaning on a wall, and the placement direction is parallel to the wall surface.

The following focuses on the use and implementation of the key parts:

1. squatting pan main body

The main body of the squatting pan is used for removing the seat plate on most of the original toilets, combining the original shape of the toilets and the squatting pan shape, and the squatting pan is designed into a u-shaped urinal by splitting, combining and other methods, and the leg bending contact surface is manufactured into a w shape and is lifted. The toilet is performed under the condition of ensuring the cleanness and sanitation of the w-shaped leg bending contact surface, so that the sanitation level is greatly improved, and the health of people is ensured. The toilet seat is used in public toilets, various unhygienic conditions can be sufficiently reduced, and safety and health are guaranteed. The main body of the squatting pan is shown in schematic figure 3.

2. Back support

The back support at the rear part of the Chinese type squatting pan is used for guaranteeing that the leg pressure can be furthest reduced when people use the toilet, improving the comfort of the user, selecting an arc back support and conforming to the arc line at the back of the human body. When the novel back support is used, the back support can be adjusted in the up-down direction, the front-back direction and the back-up direction, and the comfort degree of the novel back support can be adjusted and controlled according to the needs of children, old people, men or women. The problem of easy fatigue of a user when using the squatting pan to use the toilet is solved, and the toilet posture can approach the human body posture which is most beneficial to excretion, so that the squatting pan is comfortable and healthy.

The Chinese type squatting pan comprises the following steps:

Firstly, the toilet is performed on the premise of ensuring that the contact surface of the w-shaped leg is clean, tidy and sanitary in the earlier stage of toilet. Secondly, adjust the back rest device, different users carry out the autonomous adjustment of four directions about according to self man-machine size and comfort level, make squatting pan can be applicable to oneself. And thirdly, the buttocks are suspended during toilet, the waist is separated from the thigh to the toilet, the limbs are prevented from directly contacting the toilet, and the sanitary requirement of toilet in public buildings of China is met. Finally, under the assistance of the steps and the Chinese type squatting pan, the sanitary and safety problems concerned by people in the state of using the toilet can be greatly improved.

Claims

1. Chinese style squatting pan, its characterized in that: the U-shaped urinal body comprises a U-shaped main body structure (8), the front end of the U-shaped main body structure (8) is a W-shaped leg contact surface (3), and the rear end of the U-shaped main body structure (8) is a water tank; the middle of the U-shaped main body structure (8) is a urinal, and the inner cavity wall of the urinal is a sharp-steep curve splash-proof structure; the two sides of the U-shaped main body structure (8) are not provided with any supporting structure; the inner cavity wall of the urinal is provided with a water injection hole which is connected with the water tank; an internal drainage system (5) is arranged in the water tank;

The curve steep splash-proof structure is characterized in that the curve steep and concave from two sides to the middle part, the minimum distance between a human body and the bottom of the urinal is controlled to be 8cm, and a drain hole (9) on the urinal is deeply buried and is arranged at the rear; the lower part of the contact surface (3) of the W-shaped leg part is provided with a front edge check, the front edge check is widened and thickened, and the inner side of the front edge check is provided with a deep concave curve to prevent splash back;

An upper rotating shaft (6) and a lower rotating shaft (6) are arranged outside the water tank, and the upper rotating shaft (6) is connected with one end of a back supporting arm (7) to adjust the back supporting arm (7) up and down; the other end of the back supporting arm (7) is connected with the back supporting plate (1) through a front rotating shaft (2) and a rear rotating shaft to adjust the back supporting plate (1) back and forth, so as to realize self-adaptive adjustment of the back;

In the use process, the back of a user is tightly attached to the back support part of the toilet, the buttocks are hung, the waist part is separated from the toilet to the thigh part, the leg bends support the stable body by the W-shaped leg contact surface, and the shanks naturally drop; the abdomen and the legs of the user form an extrusion relation of 35-45 degrees, so that the U-shaped puborectalis muscle of the human body can smoothly pull the rectal hook to a state of 100-110 degrees.

2. The squatting pan of claim 1, wherein: the water tank is provided with a water tank cover (4).

3. The squatting pan of claim 1, wherein: the drain hole (9) is connected with a siphon drain pipeline (56).

4. The squatting pan of claim 1, wherein: the internal drainage system (5) comprises an injection valve (51), an injection float (52), an overflow pipe (53), a flushing valve (54), a water flow channel (55), a siphon drainage pipeline (56) and a chain (57); the water injection hole is communicated with the water tank through a water flow channel (55), and a flushing valve (54) is arranged at the joint of the water flow channel (55) and the water tank; the flushing valve (54) is connected with the upper and lower rotating shafts (6) through a chain (57); the flushing valve (54) is connected with the injection float (52), and the injection float (52) is connected with the injection valve (51); one side of the flushing valve (54) is also connected with the overflow pipe (53).