Stain-resistant sofa and preparation process thereof

Abstract

The application belongs to the technical field of furniture, and particularly relates to an anti-fouling sofa and a preparation process thereof. The anti-fouling sofa comprises a sofa body, a guide block is fixedly connected to the bottom surface of the sofa body, a sliding groove is formed in one side of the guide block, a motor is slidably connected to the inner wall of the sliding groove, the bottom surface of the guide block is in the form of a rack, and a gear meshing with the bottom surface of the guide block is fixedly connected to the output end of the motor. The motor is regularly started. When the motor is started, the gear on the output end of the motor rotates on the bottom surface of the guide block, so that the motor moves in the sliding groove. At this time, the bristles move along with the motor, so that the bristles clean the impurities on the bottom of the sofa. The impurities cleaned by the bristles are accumulated on the side of the sofa body. At this time, the impurities on the side can be easily swept away by a broom, so that the impurities on the bottom of the sofa body are comprehensively cleaned, and the cleanliness of the bottom of the sofa body is ensured.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of furniture, in particular to an anti-pollution sofa and a preparation process thereof. BACKGROUND

[0002] The sofa has good softness, and people can lie or sit on it comfortably. The sofa is equipped with a backrest chair with springs or thick foam plastic, and has armrests on both sides. Currently, in order to facilitate the daily maintenance and cleaning of the sofa, a leather sofa has appeared, which can isolate impurities on the surface and facilitate daily wiping and cleaning.

[0003] In view of the existing related technology, the inventor believes that the following defects often exist: Since the sofa is relatively long and heavy, its position will not change after decoration is completed. Garbage (such as hair or snack bags) generated in daily life may enter the bottom of the sofa, and it is difficult to clean the garbage at the bottom of the sofa because the space between the bottom of the sofa and the ground is small, so the bottom of the sofa will be easily dirty. Therefore, the present application provides an anti-pollution sofa and a preparation process thereof. SUMMARY

[0004] In order to make up for the deficiencies of the prior art and solve at least one technical problem raised in the background art.

[0005] The technical scheme adopted by the present application to solve its technical problems is: the anti-pollution sofa comprises a sofa body, a guide block is fixedly connected to the bottom surface of the sofa body, a sliding slot is formed in one side of the guide block, an electric motor is slidably connected to the inner wall of the sliding slot, the bottom surface of the guide block is in the form of a rack, a gear meshing with the bottom surface of the guide block is fixedly connected to the output end of the electric motor, a connecting plate is fixedly connected to the electric motor through a support, and brush hairs are uniformly fixedly connected to the bottom surface of the connecting plate. The electric motor can be started regularly by being arranged in this way. When the electric motor is started, the gear on the output end of the electric motor will rotate on the bottom surface of the guide block, so that the electric motor moves in the sliding slot. At this time, the brush hairs will move with the electric motor, so that the brush hairs clean the impurities at the bottom of the sofa. The impurities cleaned by the brush hairs will accumulate on the side of the sofa body. At this time, the impurities on the side can be easily swept away by a broom, so as to achieve the effect of comprehensively cleaning the impurities at the bottom of the sofa body, so as to ensure the cleanliness of the bottom of the sofa body. When the electric motor needs to be reset, the output end of the electric motor can be reversed.

[0006] The bottom surface of the sofa body is fixedly connected with a rectangular plate, one side of the rectangular plate is provided with a recycling block through a bolt, the top surface of the recycling block is higher than the bottom end of the bristle, a cavity is formed in the recycling block, a magnetic block is sealingly and slidably connected to the inner wall of the cavity, the connecting plate is made of metal, a connecting pipe is communicated to one side of the recycling block away from the connecting plate, and a feeding hole communicated with the cavity is uniformly formed in one side of the recycling block away from the connecting pipe; during the cleaning of the impurities by the bristle, the impurities are accumulated on the side wall of the recycling block, then the connecting plate is continuously moved, the iron connecting plate is magnetically attracted to the magnetic block, so that the magnetic block moves in the cavity, at this time, the feeding hole sucks the impurities into the cavity, then the bolt on the rectangular plate is removed, the recycling block is taken out, and the impurities in the recycling block are poured out from the feeding hole, so that the cleaned impurities are automatically collected without using a broom for cleaning.

[0007] The bottom surface of the sofa body is fixedly connected with a fixed block, the bottom surface of the fixed block is slidably connected with a sliding block, the top surface of the sliding block is fixedly connected with an elastic piece, the top surface of the sliding block and the inner wall top surface of the fixed block are fixedly connected with the elastic piece, one side of the connecting block close to the connecting plate is fixedly connected with a group of round rods, the top surface of the sliding block is inclined, a round hole is formed in one side of the fixed block close to the round rod, and a push rod aligned with the round hole is fixedly connected to one side of the connecting plate close to the connecting block; when the connecting plate moves above the recycling block, the bristle is in contact with the side wall of the recycling block and is deformed to move above the recycling block, at this time, the round rod is inserted into the gap of the bristle, then the connecting plate continues to move towards the side close to the fixed block, at this time, the push rod pushes the inclined surface of the sliding block, so that the sliding block moves downward, at this time, the round rod moves downward, so that the hair (the hair is easy to entangle on the bristle) and other impurities remaining on the bristle are brushed off, thereby achieving the effect of cleaning the hair and impurities on the bristle.

[0008] The connecting block and the round rod are hollow, the top surface of the sliding block is fixedly connected with an elastic piece, a connecting groove communicated with the connecting block is formed in the sliding block, the top surface of the connecting groove extends to the top surface of the sliding block, the connecting block stores water, one side of the fixed block is fixedly connected with a water inlet pipe communicated with the connecting groove, one end of the round rod close to the connecting block is communicated with the inside thereof, the water inlet end of the connecting block is fixedly connected with an elastic connecting piece, a plurality of shrinkage holes are uniformly formed in the connecting piece, and a group of guide holes communicated with the inside thereof are formed in the surface of the round rod; when the push rod pushes the inclined surface of the sliding block, the push rod first pushes the elastic piece, at this time, the elastic piece extrudes the gas in the connecting groove, the gas pushes the connecting piece, so that all the shrinkage holes are opened under pressure, at this time, the water in the connecting block enters the round rod, and then flows to the bristle from the guide hole, thereby improving the cleaning effect of the bristle by means of water.

[0009] The top end of the recovery block is provided with a recovery groove; through the recovery groove, the hair and impurities cleaned from the brush can be recovered, and the recovered water can also be recovered.

[0010] Preferably, the connecting plate is fixedly connected with a group of first hooks on the side away from the recovery block, the second hooks are hung on the first hooks, and the cleaning block made of sponge is fixedly connected to the bottom end of the second hooks; because there are gaps between the brush hairs, the sofa body bottom cannot be cleaned by the brush hairs, at this time, the cleaning block can clean the sofa body bottom for the second time when the brush hairs move to clean the sofa body bottom for the first time (after the impurities are cleaned for the first time, the impurities will be less, at this time, the adhesion of the impurities on the cleaning block can be reduced), thereby improving the cleaning effect of the impurities.

[0011] Preferably, the cleaning block is provided with a flow guide groove on the side close to the round rod, and the round rod is provided with an opening on the side close to the flow guide groove; when the round rod moves, the sponge block is deformed by being extruded by the round rod, and the water on the round rod flows to the cleaning block from the opening, so that the cleaning block is wetted, thereby improving the cleaning effect of the cleaning block on the impurities on the sofa body bottom, and then when the round rod moves to the flow guide groove, the round rod enters the flow guide groove, at this time, the water flows from the round rod and the flow guide groove to the bottom end of the cleaning block, so that the bottom end of the cleaning block is washed.

[0012] The preparation process of the anti-pollution sofa is used for manufacturing the anti-pollution sofa, and comprises the following steps:

[0013] S1: selecting suitable wood as the raw material of the sofa, then using a full-automatic cutting machine to process the wood into a wood board, and then using an assembling machine to assemble the wood board into a sofa frame;

[0014] S2: installing springs on the frame, then covering the frame with sponge, connecting the sponge with the frame by using glue, and then cementing leather on the sponge to complete the preparation of the sofa;

[0015] S3: after the preparation of the sofa is completed, installing the guide block on the bottom of the sofa, and automatically driving the brush hairs to move by the motor on the guide block to clean the garbage on the bottom of the sofa.

[0016] The preparation process can automatically complete the preparation of the sofa, and the cleaning mechanism of the sofa can also realize self-cleaning, thereby improving the anti-pollution type of the sofa.

[0017] The beneficial effects of the present application are as follows:

[0018] 1. Through setting the motor, the motor can be started regularly, when the motor is started, the gear on the motor output end rotates on the bottom surface of the guide block, so that the motor moves in the sliding groove, at this time the bristles move with the motor, so that the bristles clean the impurities on the bottom of the sofa body, the impurities cleaned by the bristles can be easily swept away by the broom, so as to achieve the effect of cleaning the impurities on the bottom of the sofa body, so as to ensure the cleanliness of the bottom of the sofa body.

[0019] 2. When the bristles clean the impurities, the impurities will accumulate on the side wall of the recycling block, then the connecting plate will continue to move, the iron connecting plate will be magnetically attracted to the magnetic block, so that the magnetic block moves in the cavity, at this time the feeding hole will suck the impurities into the cavity, then the bolt on the rectangular plate can be removed, then the recycling block can be taken away, and the impurities in the recycling block can be poured out of the feeding hole, through the above structure, the effect of automatically collecting the cleaned impurities is achieved, without using the broom to clean. BRIEF DESCRIPTION OF DRAWINGS

[0020] The application will be further described below in combination with the drawings.

[0021] Figure 1 is a perspective view of the application;

[0022] Figure 2 is a structural schematic view of the recycling block and the guide rail in the application;

[0023] Figure 3 is a sectional view of the recycling block, the fixed block and the sliding block in the application;

[0024] Figure 4 is a partial structural schematic view of the round rod in the application;

[0025] Figure 5 is a structural schematic view of the second embodiment in the application;

[0026] Figure 6 is a preparation process flow chart of the application.

[0027] In the drawings: 1, sofa body; 2, connecting groove; 3, sliding groove; 4, motor; 5, gear; 6, connecting plate; 7, bristle; 8, recycling block; 9, recycling groove; 10, cavity; 11, connecting pipe; 12, magnetic block; 13, feeding hole; 14, fixed block; 15, sliding block; 16, elastic piece; 17, connecting block; 18, round rod; 19, push rod; 20, round hole; 21, elastic sheet; 22, connecting sheet; 23, shrinkage hole; 24, guide hole; 25, water inlet pipe; 26, first hook; 27, second hook; 28, cleaning block; 29, flow guide groove; 31, guide block; 32, rectangular plate. DETAILED DESCRIPTION

[0028] In order to make the technical means, creative features, purposes and effects of the present application easy to understand, the present application is further described below in conjunction with specific embodiments.

[0029] Embodiment one

[0030] As shown in Figures 1 to 4 The anti-fouling sofa of the present application comprises a sofa body 1, a guide block 31 fixedly connected to the bottom surface of the sofa body 1, a sliding groove 3 formed in one side of the guide block 31, an electric motor 4 slidably connected to the inner wall of the sliding groove 3, the bottom surface of the guide block 31 being in the form of a rack, a gear 5 fixedly connected to the output end of the electric motor 4 and engaged with the bottom surface of the guide block 31, a connecting plate 6 fixedly connected to the electric motor 4 via a support, and brush hairs 7 fixedly connected to the bottom surface of the connecting plate 6. The electric motor 4 is arranged to be started periodically. When the electric motor 4 is started, the gear 5 on the output end of the electric motor 4 rotates on the bottom surface of the guide block 31, so that the electric motor 4 moves in the sliding groove 3. At this time, the brush hairs 7 move with the electric motor 4, so that the brush hairs 7 clean the impurities on the bottom of the sofa. The impurities cleaned by the brush hairs 7 accumulate on the side of the sofa body 1. At this time, the impurities on the side can be easily swept away by a broom, so that the impurities on the bottom of the sofa body 1 are completely cleaned, thereby ensuring the cleanliness of the bottom of the sofa body 1. When the electric motor 4 needs to be reset, the output end of the electric motor 4 is simply reversed.

[0031] The bottom surface of the sofa body 1 is fixedly connected to a rectangular plate 32, the rectangular plate 32 is provided with a recycling block 8 on one side thereof via a bolt, the top surface of the recycling block 8 is higher than the bottom end of the brush hairs 7, the recycling block 8 is provided with a cavity 10 therein, the inner wall of the cavity 10 is sealingly and slidably connected to a magnetic block 12, the connecting plate 6 is made of metal, the recycling block 8 is connected to a connecting pipe 11 on the side thereof away from the connecting plate 6, and the recycling block 8 is uniformly provided with feed holes 13 on the side thereof away from the connecting pipe 11 and communicating with the cavity 10. During the cleaning of the impurities by the brush hairs 7, the impurities accumulate on the side wall of the recycling block 8. Then, during the continuous movement of the connecting plate 6, the connecting plate 6 made of iron is magnetically attracted to the magnetic block 12, so that the magnetic block 12 moves in the cavity 10. At this time, the feed holes 13 suck the impurities into the cavity 10. Then, the bolt on the rectangular plate 32 can be removed, the recycling block 8 can be taken away, and the impurities in the recycling block 8 can be poured out from the feed holes 13. The above structure automatically collects the cleaned impurities, so that the broom is no longer needed for cleaning.

[0032] The bottom surface of the sofa body 1 is fixedly connected with a fixed block 14, the bottom surface of the fixed block 14 is slidably connected with a sliding block 15, the top surface of the sliding block 15 is fixedly connected with a connecting block 17, the top surface of the sliding block 15 and the inner wall top surface of the fixed block 14 are fixedly connected with an elastic piece 16, the connecting block 17 is fixedly connected with a group of round rods 18 on the side close to the connecting plate 6, the top surface of the sliding block 15 is inclined, the side of the fixed block 14 close to the round rod 18 is provided with a round hole 20, and the side of the connecting plate 6 close to the connecting block 17 is fixedly connected with a push rod 19 aligned with the round hole 20; when the connecting plate 6 moves above the recycling block 8, the bristles 7 will be in contact with the side wall of the recycling block 8 and deformed to move above the recycling block 8, at this time, the round rods 18 will be inserted into the gaps of the bristles 7, then the connecting plate 6 continues to move to the side close to the fixed block 14, at this time, the push rod 19 will push the inclined surface of the sliding block 15, so that the sliding block 15 moves downward, at this time, the round rods 18 will move downward, so as to brush off the hair (the hair is easy to be wound on the bristles 7) and other impurities remaining on the bristles 7, and the hair and impurities on the bristles 7 are cleaned.

[0033] The connecting block 17 and the round rod 18 are hollow, the top surface of the sliding block 15 is fixedly connected with an elastic sheet 21, the sliding block 15 is provided with a connecting groove 2 in communication with the connecting block 17, the top surface of the connecting groove 2 extends to the top surface of the sliding block 15, the connecting block 17 stores water, one side of the fixed block 14 is fixedly connected with a water inlet pipe 25 in communication with the connecting groove 2, one end of the round rod 18 close to the connecting block 17 is in communication with the inside thereof, the water inlet end of the connecting block 17 is fixedly connected with an elastic connecting sheet 22, the connecting sheet 22 is uniformly provided with shrinkage holes 23, and the surface of the round rod 18 is provided with a group of guide holes 24 in communication with the inside thereof; when the push rod 19 pushes the inclined surface of the sliding block 15, the push rod 19 will first push the elastic sheet 21, at this time, the elastic sheet 21 will extrude the gas in the connecting groove 2, the gas pushes the connecting sheet 22, so that all the shrinkage holes 23 are opened under pressure, at this time, the water in the connecting block 17 will enter the round rod 18, and then flow to the bristles 7 from the guide holes 24, so as to improve the cleaning effect of the bristles 7 by means of water.

[0034] The top end of the recycling block 8 is provided with a recycling groove 9; the hair and impurities cleaned from the bristles 7 can be recycled by means of the recycling groove 9, and the cleaned water can also be recycled by means of the recycling groove 9.

[0035] Embodiment two

[0036] As Figures 5 to 6As shown, the comparative example one, wherein another embodiment of the present application is: the connecting plate 6 away from the recovery block 8 side is fixedly connected with a group of first hooks 26, the first hook 26 is hung with the second hook 27, the bottom end of the second hook 27 is fixedly connected with the cleaning block 28 made of sponge; because there is a gap between the bristles 7, the bristles 7 will not clean the sofa body 1 bottom, at this time, the cleaning block 28 can clean the sofa body 1 bottom after the first cleaning of the sofa body 1 bottom by the bristles 7 (after the first cleaning, the impurities will be less, at this time, the adhesion of the impurities on the cleaning block 28 can be reduced), thereby improving the cleaning effect of the impurities.

[0037] The cleaning block 28 is provided with a flow guide groove 29 on the side close to the round rod 18, and the round rod 18 is provided with an opening on the side close to the flow guide groove 29; when the round rod 18 moves, the sponge block is deformed by being extruded by the round rod 18, and the water on the round rod 18 flows onto the cleaning block 28 from the opening, so that the cleaning block 28 is wet, thereby improving the cleaning effect of the cleaning block 28 on the impurities on the bottom of the sofa body 1; then when the round rod 18 moves to the flow guide groove 29, the round rod 18 enters the flow guide groove 29, and at this time, the water flows from the round rod 18 and the flow guide groove 29 to the bottom end of the cleaning block 28, so that the bottom end of the cleaning block 28 is washed.

[0038] The preparation process of the anti-stain sofa is used for manufacturing the anti-stain sofa, and the preparation process comprises the following steps:

[0039] S1: selecting suitable wood as the raw material of the sofa, then using a full-automatic cutting machine to process the wood into a wood board, and then using an assembling machine to assemble the wood board into a sofa frame;

[0040] S2: installing springs on the frame, then covering sponge on the frame, using glue to connect the sponge with the frame, and then cementing leather on the sponge to complete the preparation of the sofa;

[0041] S3: after the preparation of the sofa is completed, installing a guide block 31 on the bottom of the sofa, and automatically driving the bristles 7 to move by the motor 4 on the guide block 31 to clean the garbage on the bottom of the sofa.

[0042] The preparation process can automatically complete the preparation of the sofa, and the cleaning mechanism of the sofa can also realize self-cleaning, thereby improving the anti-stain type of the sofa.

[0043] The working principle is that the motor 4 is set to start regularly, when the motor 4 is started, the gear 5 on the output end of the motor 4 rotates on the bottom surface of the guide block 31, so that the motor 4 moves in the chute 3, at this time the bristles 7 move with the motor 4, so that the bristles 7 clean the impurities on the bottom of the sofa body 1, the impurities cleaned by the bristles 7 are accumulated on the side of the sofa body 1, at this time the impurities on the side can be easily swept away by the broom, so as to achieve the effect of completely cleaning the impurities on the bottom of the sofa body 1, so as to ensure the cleanliness of the bottom of the sofa body 1, when the motor 4 needs to be reset, the output end of the motor 4 is reversed; during the cleaning process of the bristles 7, the impurities will accumulate on the side wall of the recycling block 8, then the connecting plate 6 will continue to move, the iron connecting plate 6 will be magnetically attracted to the magnetic block 12, so that the magnetic block 12 moves in the cavity 10, at this time the feed hole 13 will suck the impurities into the cavity 10, then the screws on the rectangular plate 32 can be removed, then the recycling block 8 can be taken away, and the impurities in the recycling block 8 can be poured out of the feed hole 13, the above structure automatically collects the cleaned impurities, without using the broom to clean again; when the connecting plate 6 moves above the recycling block 8, the bristles 7 will be in contact with the side wall of the recycling block 8 and deformed to move above the recycling block 8, at this time the round rod 18 will be inserted into the gap of the bristles 7, then the connecting plate 6 continues to move towards the side close to the fixed block 14, at this time the push rod 19 will push the inclined surface of the sliding block 15, so that the sliding block 15 moves downward, at this time the round rod 18 will move downward, so as to brush off the hair (hair is easy to entangle on the bristles 7) and other impurities remaining on the bristles 7, so as to clean the hair and impurities on the bristles 7; when the push rod 19 pushes the inclined surface of the sliding block 15, the push rod 19 will first push the elastic sheet 21, at this time the elastic sheet 21 will extrude the gas in the connecting groove 2, the gas pushes the connecting sheet 22, so that all the contraction holes 23 are opened under pressure, at this time the water in the connecting block 17 will enter the round rod 18, then flow from the guide hole 24 to the bristles 7, so as to improve the cleaning effect of the bristles 7 by means of water; the hair and impurities cleaned from the bristles 7 can be recycled by means of the recycling groove 9, and the recycling groove 9 can also recycle the cleaned water; due to the gap between the bristles 7, the bristles 7 cannot clean the bottom of the sofa body 1 completely, at this time the cleaning block 28 can clean the bottom of the sofa body 1 for the second time when the bristles 7 move to clean the bottom of the sofa body 1 for the first time (after the impurities are cleaned for the first time, the impurities will be less, so the adhesion of the impurities on the cleaning block 28 can be reduced), so as to improve the cleaning effect of the impurities;When the round rod 18 is moving, the sponge block is deformed by the round rod 18, and water on the round rod 18 flows to the cleaning block 28 from the opening, so that the cleaning block 28 is wet, thereby improving the effect of the cleaning block 28 on cleaning the impurities on the bottom of the sofa body 1, and then when the round rod 18 moves to the flow guide groove 29, the round rod 18 enters the flow guide groove 29, at this time, water flows from the round rod 18 and the flow guide groove 29 to the bottom end of the cleaning block 28, so that the bottom end of the cleaning block 28 is washed.

[0044] The above front, rear, left, right, top, bottom are based on the drawings in the specification Figure 1 As a standard, the side of the device facing the observer is defined as the front, the left side of the observer is defined as the left, and so on.

[0045] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore cannot be understood as a limitation on the scope of protection of the present application.

[0046] The basic principles, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application, and various changes and improvements can be made to the present application without departing from the spirit and scope of the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A stain resistant sofa characterized by: Including sofa body (1), the bottom surface of sofa body (1) is fixedly connected with guide block (31), one side of guide block (31) is provided with sliding slot (3), the inner wall of sliding slot (3) is slidably connected with motor (4), the bottom surface of guide block (31) is in rack shape, the output end of motor (4) is fixedly connected with gear (5) engaged with the bottom surface of guide block (31), the upper portion of motor (4) is fixedly connected with connecting plate (6) through support, the bottom surface of connecting plate (6) is uniformly fixedly connected with brush (7); The bottom surface of sofa body (1) is fixedly connected with rectangular plate (32), one side of rectangular plate (32) is provided with recovery block (8) through bolt, the top surface of recovery block (8) is higher than the bottom end of brush (7), the inside of recovery block (8) is provided with cavity (10), the inner wall of cavity (10) is sealingly slidably connected with magnetic block (12), the connecting plate (6) is made of metal, one side of recovery block (8) away from connecting plate (6) is connected with connecting pipe (11), one side of recovery block (8) away from connecting pipe (11) is uniformly provided with feed hole (13) communicated with cavity (10); The bottom surface of sofa body (1) is fixedly connected with fixed block (14), the bottom surface of fixed block (14) is slidably connected with sliding block (15), the bottom surface of sliding block (15) is fixedly connected with connecting block (17), the top surface of sliding block (15) and the inner wall top surface of fixed block (14) are fixedly connected with elastic element (16), one side of connecting block (17) close to connecting plate (6) is fixedly connected with a group of round rods (18), the top surface of sliding block (15) is in inclined surface shape, one side of fixed block (14) close to round rod (18) is provided with round hole (20), one side of connecting plate (6) close to connecting block (17) is fixedly connected with push rod (19) aligned with round hole (20); The inside of connecting block (17) and round rod (18) is hollow, the top surface of sliding block (15) is fixedly connected with elastic sheet (21), the inside of sliding block (15) is provided with connecting groove (2) communicated with connecting block (17), the top surface of connecting groove (2) extends to the top surface of sliding block (15), the inside of connecting block (17) stores water, one side of fixed block (14) is fixedly connected with water inlet pipe (25) communicated with connecting groove (2), one end of round rod (18) close to connecting block (17) is communicated with its inside, the water inlet end of connecting block (17) is fixedly connected with elastic connecting sheet (22), a plurality of shrinkage holes (23) are uniformly provided on connecting sheet (22), the surface of round rod (18) is provided with a group of guide holes (24) communicated with its inside.

2. The stain resistant sofa of claim 1, wherein: The top end of recovery block (8) is provided with recovery groove (9).

3. The stain resistant sofa of claim 2, wherein: One side of connecting plate (6) away from recovery block (8) is fixedly connected with a group of first hooks (26), the second hook (27) is hung on the first hook (26), the bottom end of second hook (27) is fixedly connected with cleaning block (28) made of sponge.

4. The stain resistant sofa of claim 3, wherein: The cleaning block (28) is provided with a flow guide groove (29) near one side of the round rod (18), and the round rod (18) is opened near the flow guide groove (29).

5. Process for the production of a soil-resistant sofa for the manufacture of a soil-resistant sofa according to any one of claims 1-4, characterized in that: The preparation process comprises the following steps: S1: selecting suitable wood as the raw material of the sofa, then using a full-automatic cutting machine to process the wood into a wood board, and then using an assembling machine to assemble the wood board into a sofa frame; S2: installing springs on the frame, then covering the frame with a sponge, using glue to connect the sponge with the frame, and then cementing leather on the sponge to complete the preparation of the sofa; S3: after the preparation of the sofa is completed, installing a guide block (31) on the bottom of the sofa, and automatically driving the bristles (7) to move through the motor (4) on the guide block (31) to clean the garbage at the bottom of the sofa.

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