CN212912442U

CN212912442U - Sofa foot structure convenient for sofa to move

Info

Publication number: CN212912442U
Application number: CN202021742387.5U
Authority: CN
Inventors: 卢斌
Original assignee: Hangzhou Di'an Furniture Co ltd
Current assignee: Hangzhou Di'an Furniture Co ltd
Priority date: 2020-08-19
Filing date: 2020-08-19
Publication date: 2021-04-09
Anticipated expiration: 2030-08-19

Abstract

The utility model provides a make things convenient for sofa foot structure that sofa removed, including the transmission case, set up in the drive case of transmission case bottom surface, be fixed in fixed stabilizer blade and the loose pulley assembly of slidable mounting in fixed stabilizer blade on the transmission case bottom surface, drive shaft, transmission shaft, jackshaft and cooperation axle are installed to the transmission case internal rotation, be equipped with drive assembly between drive shaft and the transmission shaft, be provided with the gear assembly between transmission shaft and jackshaft, jackshaft and the cooperation axle, loose pulley assembly meets with the cooperation axle. Utilize the utility model discloses a make things convenient for sofa foot structure that sofa removed of technical scheme preparation supports the sofa main part through fixed stabilizer blade, when needs remove the sofa, makes the pulley descend, replaces fixed stabilizer blade to support the sofa, and the removal of the sofa of being convenient for is removed and is accomplished the back, can withdraw the pulley again, supports the sofa main part by fixed stabilizer blade once more, has also protected the pulley not receive the harm of sofa dead weight when supporting more firm, prolongs its life.

Description

Sofa foot structure convenient for sofa to move

Technical Field

The utility model belongs to the technical field of the sofa foot, especially, relate to a make things convenient for sofa foot structure that sofa removed.

Background

In the sofa structure, the sofa feet are used for supporting the whole sofa, most of the sofa feet in the current market are fixed at the bottom of the sofa, when the sofa needs to be moved, a plurality of persons are often required to lift the sofa to move, and the sofa is very inconvenient.

In the publication of: one name of CN209825941U is: in the technical scheme, a hydraulic oil pump is used for conveying hydraulic oil in an oil storage tank to a shell of a sofa foot, and a pulley is pushed to ascend and descend in the shell so as to achieve the purpose of supporting and moving.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems and designing a sofa foot structure convenient for the sofa to move.

Realize above-mentioned purpose the technical scheme of the utility model be, a make things convenient for sofa foot structure that sofa removed, including the transmission case, set up in the drive case of transmission case bottom surface, be fixed in fixed stabilizer blade and the loose pulley assembly of slidable mounting in fixed stabilizer blade on the transmission case bottom surface, drive shaft, transmission shaft, jackshaft and cooperation axle are installed to the transmission case internal rotation, be equipped with drive assembly between drive shaft and the transmission shaft, be provided with the gear assembly between transmission shaft and jackshaft, jackshaft and the cooperation axle, loose pulley assembly meets with the cooperation axle.

The driving box is internally and fixedly provided with a driving motor, and the output end of the driving motor is connected with a driving shaft.

The fixed support legs are cylindrical, and the number of the fixed support legs is 4, and the fixed support legs are respectively fixed at four corners of the bottom surface of the transmission case.

The both sides of drive shaft are located to total 2 and branch of transmission shaft, the installation axis of transmission shaft is parallel with the drive shaft, transmission assembly includes that the suit is at epaxial drive fluted disc of drive, the suit is at epaxial drive fluted disc of transmission and the cover is established at the drive fluted disc and is driven the drive chain on the fluted disc.

The improved transmission case comprises a transmission case, a middle shaft, a driving shaft, a matching shaft and two middle shafts, wherein the number of the middle shafts is 2, the middle shafts are respectively arranged on two sides of the driving shaft, the mounting axis of the middle shaft is perpendicular to the driving shaft, the number of the matching shaft is 4, the matching shaft is respectively arranged at four corners of the bottom of the transmission case, the mounting axis of the matching shaft is parallel to the driving shaft, and a thread groove is.

The gear assembly is composed of a transmission gear sleeved on the transmission shaft, a transmission intermediate gear sleeved on the intermediate shaft and meshed with the transmission gear, a matching intermediate gear sleeved at two ends of the intermediate shaft and a matching gear sleeved on the matching shaft and meshed with the matching intermediate gear.

The transmission gear, the transmission intermediate gear, the matching gear and the matching intermediate gear are all helical gears.

The pulley assembly comprises a lifting plate, a lifting shaft, a limiting plate and a pulley, wherein the lifting plate is slidably mounted in the fixed support leg, the lifting shaft is arranged at the top end of the lifting plate and is embedded in the threaded groove through threaded fit, the limiting plate is fixed on the bottom surface of the lifting plate, the rotating shaft is rotatably mounted on the bottom surface of the limiting plate, and the pulley is connected with the bottom end of the rotating shaft.

The limiting groove is formed in the inner wall of the fixed supporting leg, limiting blocks are arranged on two sides of the lifting plate, and the limiting blocks are matched with the limiting groove and are embedded in the limiting groove in a sliding mode.

And the bottom surface of the fixed supporting leg is provided with a matching hole matched with the pulley.

Utilize the utility model discloses a make things convenient for sofa foot structure that sofa removed of technical scheme preparation, its beneficial effect is: convenient to use, when need not remove the sofa, support the sofa main part through fixed stabilizer blade, when needs remove the sofa, can make the pulley descend, replace fixed stabilizer blade to support the sofa, convenient to use person removes the sofa, and removes and accomplishes the back, can withdraw the pulley again to fixed stabilizer blade in, again by fixed stabilizer blade support sofa main part, also protected the pulley not receive the harm of sofa dead weight when supporting more firm, prolong its life.

Drawings

FIG. 1 is a front view of the overall structure;

FIG. 2 is a side view of the overall structure;

FIG. 3 is a sectional view showing the installation position of the fixing leg and the elevating plate.

In the figure: 1. a transmission case; 2. a drive box; 3. a fixed leg; 4. a drive shaft; 5. a drive shaft; 6. An intermediate shaft; 7. a mating shaft; 8. a drive motor; 9. a driving fluted disc; 10. a transmission fluted disc; 11. a drive chain; 12. a thread groove; 13. a transmission gear; 14. a transmission intermediate gear; 15. matching with an intermediate gear; 16. a mating gear; 17. a lifting plate; 18. a lifting shaft; 19. a limiting plate; 20. a rotating shaft; 21. A pulley; 22. a limiting groove; 23. a limiting block; 24. a mating hole.

Detailed Description

The following detailed description of the specific embodiments of the present invention is made in conjunction with the accompanying drawings, as shown in fig. 1 and 2, a sofa foot structure convenient for sofa movement includes a transmission case 1, a driving case 2 disposed on the bottom surface of the transmission case 1, a fixed support leg 3 fixed on the bottom surface of the transmission case 1, and a pulley assembly slidably mounted in the fixed support leg 3, a driving shaft 4, a driving shaft 5, an intermediate shaft 6, and a matching shaft 7 are installed in the transmission case 1 for rotation, a transmission assembly is disposed between the driving shaft 4 and the driving shaft 5, a gear assembly is disposed between the driving shaft 5 and the intermediate shaft 6, and the matching shaft 7, the pulley assembly is connected with the matching shaft 7, the fixed support leg 3 is cylindrical, and the fixed support leg 3 has 4 total and is respectively fixed at four corners of the bottom surface.

In this embodiment, this sofa foot structure includes transmission case 1, drive case 2 and fixed stabilizer blade 3, wherein transmission case 1 fixes the bottom at the sofa main part, drive case 2 sets up the bottom at transmission case 1, fixed stabilizer blade 3 is cylindrical total 4 and fixes respectively in the four corners department of transmission case 1, be convenient for to the support of sofa main part, and be provided with loose pulley assembly in the fixed stabilizer blade 3, and it is rotatory to drive transmission shaft 5 through transmission assembly with drive shaft 4, the rethread gear assembly makes transmission shaft 5 drive jackshaft 6 rotatory, jackshaft 6 drives the rotatory mode of cooperation axle 7, finally make loose pulley assembly can go up and down to slide in fixed stabilizer blade 3, so that move the sofa main part when needs.

Drive case 2 internal fixed mounting has driving motor 8, driving motor 8's output and drive shaft 4 meet mutually, the both sides of drive shaft 4 are just located to 2 total of transmission shaft 5, the installation axis of transmission shaft 5 is parallel with drive shaft 4, drive assembly includes that the suit is at drive fluted disc 9 on drive shaft 4, the transmission fluted disc 10 of suit on transmission shaft 5 and the cover is established at drive fluted disc 9 and the transmission chain 11 on transmission fluted disc 10.

Drive case 1 internal fixation has driving motor 8, driving motor 8's output and drive shaft 4 meet simultaneously, consequently, after driving motor 8 starts, can drive shaft 4 and rotate, and the drive assembly is including drive fluted disc 9, drive fluted disc 10 and drive chain 11, wherein drive fluted disc 7 suit is on drive shaft 4, drive fluted disc 10 suit is on

transmission shaft

5, 11 suits of drive chain are on drive fluted disc 9 and drive fluted disc 10, consequently, drive shaft 4 is when drive motor 8's drive is rotatory down, can drive fluted disc 9 rotatory, thereby transmission through drive chain 11, make drive fluted disc 10 synchronous rotation, finally make transmission shaft 5 rotatory.

In the present embodiment, the number of the transmission shafts 5 is 2 and the transmission shafts are respectively provided on both sides of the driving shaft 4, so that the number of the corresponding transmission toothed discs 10 is also 2, and the models and specifications thereof must be the same.

The gear assembly is characterized in that the number of the intermediate shafts 6 is 2, the intermediate shafts are respectively arranged on two sides of the driving shaft 4, the installation axis of each intermediate shaft 6 is perpendicular to the driving shaft 4, the number of the matching shafts 7 is 4, the matching shafts 7 are respectively arranged at four corners of the bottom of the transmission case 1, the installation axis of each matching shaft 7 is parallel to the driving shaft 4, thread grooves 12 are formed in the matching shafts 7, the gear assembly is composed of a transmission gear 13 sleeved on the transmission shaft 5, a transmission intermediate gear 14 sleeved on the intermediate shafts 6 and meshed with the transmission gear 13, matching intermediate gears 15 sleeved on two ends of the intermediate shafts 6 and matching gears 16 sleeved on the matching shafts 7 and meshed with the matching intermediate gears 15, and the transmission gear 13, the transmission intermediate gear 14, the matching gears 16 and the matching intermediate gears 15 are all helical gears.

After the driving shaft 4 drives the driving shaft 5 to rotate, the driving shaft 5 is required to drive the intermediate shaft 6 to rotate, and the intermediate shaft 6 is required to drive the matching shaft 7 to rotate, so that the gear assembly comprises a transmission gear 13, a transmission intermediate gear 14, a matching intermediate gear 5 and a matching gear 16, wherein the transmission gear 13 is sleeved on the driving shaft 5, the transmission intermediate gear 14 and the matching intermediate gear 15 are sleeved on the intermediate shaft 6, the matching gear 16 is sleeved on the matching shaft 7, meanwhile, the transmission intermediate gear 14 is engaged with the transmission gear 13, and the matching intermediate gear 15 is engaged with the matching gear 16, so that when the driving shaft 5 rotates, the transmission gear 13 sleeved on the transmission shaft is driven to rotate, the transmission intermediate gear 14 engaged with the transmission gear 13 is driven to rotate, the intermediate shaft 6 is driven to rotate, and therefore, the matching intermediate gear 15 sleeved on, bringing the mating gear 16 in mesh therewith into rotation and, finally, the mating shaft 7 into rotation.

Because pulley assembly sets up in fixed stabilizer blade 3 and meets with cooperation axle 7, and fixed stabilizer blade 3 has 4 and locates the four corners of transmission case 1 respectively, consequently, pulley assembly and cooperation axle 7 are corresponding also have 4 groups to drive gear 13, transmission intermediate gear 14, cooperation intermediate gear 15 and cooperation gear 16 are helical gears, and the installation axis of transmission shaft 5 is parallel with drive shaft 4, and then the installation axis of jackshaft 6 is perpendicular with transmission shaft 5, and the installation axis of cooperation axle 7 just is perpendicular with jackshaft 6.

As shown in fig. 1, 2 and 3, the pulley assembly includes a lifting plate 17 slidably mounted in the fixed support leg 3, a lifting shaft 18 disposed at the top end of the lifting plate 17 and embedded in the threaded groove 12 through a screw-thread fit, a limiting plate 19 fixed on the bottom surface of the lifting plate 17, a rotating shaft 20 rotatably mounted on the bottom surface of the limiting plate 19, and a pulley 21 connected to the bottom end of the rotating shaft 20, a limiting groove 22 is formed in the inner wall of the fixed support leg 3, limiting blocks 23 are disposed on two sides of the lifting plate 17, the limiting blocks 23 are matched with the limiting groove 22 and slidably embedded in the limiting groove 22, and a matching hole 24 matched with the pulley 21 is formed in the bottom surface of the fixed support leg 3.

The pulley assembly comprises a lifting plate 17, a lifting shaft 18, a limit plate 19, a rotating shaft 20 and a pulley 21, wherein the lifting plate 17 is slidably mounted in the fixed support leg 3, the lifting shaft 18 is arranged at the top end of the lifting plate 17 and is embedded in the thread groove 12 of the matching shaft 7 through thread matching, therefore, when the matching shaft 7 rotates, the pushing force or the pulling force can be generated on the lifting shaft 18, so that the lifting plate 17 is driven by the lifting shaft 18 to descend or ascend in the fixed support leg 3, the limit plate 19 is fixed on the bottom surface of the lifting plate 17, the rotating shaft 20 is rotatably mounted at the bottom of the limit plate 19, and the pulley 21 is connected with the rotating shaft 20, therefore, when the lifting plate 17 is lifted, the pulley 21 is convenient to ascend and descend relative to the fixed support.

In order to ensure that the lifting plate 17 cannot rotate relative to the fixed support leg 3, in this embodiment, a limiting groove 22 is formed on the inner wall of the fixed support leg 3, a limiting block 23 is correspondingly arranged on the lifting plate 17, and the limiting block 23 is embedded in the limiting groove 22 in a sliding manner, so that the lifting plate 17 can only lift relative to the fixed support leg 3 and cannot rotate, and meanwhile, a matching hole 24 is further formed in the bottom surface of the fixed support leg 3, so that the pulley 21 can extend out of the fixed support leg 3, and when the rotating shaft 20 rotates relative to the limiting plate 19, the fixed support leg 3 is prevented from clamping the pulley 21.

Utilize the utility model discloses a make things convenient for sofa foot structure that sofa removed of technical scheme preparation, when need not remove sofa, support the sofa main part through fixed stabilizer blade, when needs remove sofa, can make the pulley descend, replace fixed stabilizer blade to support sofa, convenient to use person removes sofa, and remove and accomplish the back, can withdraw fixed stabilizer blade with the pulley again in, support the sofa main part by fixed stabilizer blade once more, also protected the pulley not receive the harm of sofa dead weight when supporting more firm, prolong its life.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims

1. The utility model provides a make things convenient for sofa foot structure that sofa removed which characterized in that: including transmission case (1), set up in drive case (2) of transmission case (1) bottom surface, be fixed in fixed stabilizer blade (3) on transmission case (1) bottom surface and slidable mounting in the loose pulley assembly of fixed stabilizer blade (3), drive shaft (4), transmission shaft (5), jackshaft (6) and cooperation axle (7) are installed to transmission case (1) internal rotation, be equipped with drive assembly between drive shaft (4) and transmission shaft (5), be provided with the gear assembly between transmission shaft (5) and jackshaft (6), jackshaft (6) and cooperation axle (7), loose pulley assembly meets with cooperation axle (7).

2. The sofa leg structure for facilitating sofa movement according to claim 1, wherein: the driving box (2) is internally and fixedly provided with a driving motor (8), and the output end of the driving motor (8) is connected with the driving shaft (4).

3. The sofa leg structure for facilitating sofa movement according to claim 1, wherein: the fixed support legs (3) are cylindrical, and the number of the fixed support legs (3) is 4 and the fixed support legs are respectively fixed at four corners of the bottom surface of the transmission case (1).

4. The sofa leg structure for facilitating sofa movement according to claim 1, wherein: the both sides of drive shaft (4) are located to total 2 and branch in drive shaft (5), the installation axis of drive shaft (5) is parallel with drive shaft (4), the drive assembly includes drive fluted disc (9), the transmission fluted disc (10) of suit on drive shaft (4) and overlaps and establish drive chain (11) on drive fluted disc (9) and transmission fluted disc (10) at the suit on drive shaft (5).

5. The sofa leg structure for facilitating sofa movement according to claim 1, wherein: the improved structure of the transmission case is characterized in that the number of the middle shafts (6) is 2, the middle shafts are respectively arranged on two sides of the driving shaft (4), the installation axis of the middle shafts (6) is perpendicular to the driving shaft (4), the number of the matching shafts (7) is 4, the matching shafts are respectively arranged at four corners of the bottom of the transmission case (1), the installation axis of the matching shafts (7) is parallel to the driving shaft (4), and thread grooves (12) are formed in the matching shafts (7).

6. The sofa leg structure for facilitating sofa movement according to claim 1, wherein: the gear assembly is composed of a transmission gear (13) sleeved on the transmission shaft (5), a transmission intermediate gear (14) sleeved on the intermediate shaft (6) and meshed with the transmission gear (13), a matching intermediate gear (15) sleeved at two ends of the intermediate shaft (6) and a matching gear (16) sleeved on the matching shaft (7) and meshed with the matching intermediate gear (15).

7. The sofa leg structure for facilitating sofa movement according to claim 6, wherein: the transmission gear (13), the transmission intermediate gear (14), the matching gear (16) and the matching intermediate gear (15) are all helical gears.

8. The sofa leg structure for facilitating sofa movement according to claim 1, wherein: the pulley assembly comprises a lifting plate (17) which is slidably mounted in the fixed support leg (3), a lifting shaft (18) which is arranged at the top end of the lifting plate (17) and is embedded in the thread groove (12) through thread fit, a limiting plate (19) which is fixed on the bottom surface of the lifting plate (17), a rotating shaft (20) which is rotatably mounted on the bottom surface of the limiting plate (19) and a pulley (21) which is connected with the bottom end of the rotating shaft (20).

9. The sofa leg structure for facilitating sofa movement according to claim 1, wherein: limiting grooves (22) are formed in the inner walls of the fixed support legs (3), limiting blocks (23) are arranged on two sides of the lifting plate (17), and the limiting blocks (23) are matched with the limiting grooves (22) and are embedded in the limiting grooves (22) in a sliding mode.

10. The sofa leg structure for facilitating sofa movement according to claim 1, wherein: the bottom surface of the fixed supporting leg (3) is provided with a matching hole (24) matched with the pulley (21).