CN220587894U - Leisure sofa backrest structure - Google Patents

Abstract

The application discloses leisure couch backrest structure relates to couch accessory technical field. The utility model provides a including the base, spout one has been seted up in the middle of the top of base, spout one's inside sliding connection has the slider, the top of slider is provided with slide mechanism, slide mechanism includes the diaphragm, the both ends fixedly connected with dwang of diaphragm, the surface rotation of both sides dwang is connected with the dwang, the top fixedly connected with back of dwang, the inside of back is provided with elevating system, the bottom of dwang is provided with clamping mechanism, one side of dwang is provided with adjustment mechanism, the work partner can lie on the back after the work tired back, drive the elevating platform through the threaded rod and go up and down, the elevating platform drives concave piece and reciprocates for the massage piece slides from top to bottom in the perpendicular inslot, thereby can control the back and the waist of massage piece to staff and carry out reciprocating friction, in order to reach the effect of alleviating waist and back fatigue.

Description

A leisure sofa chair back structure

Technical field

The present application relates to the technical field of sofa chair accessories, and in particular to a leisure sofa chair back structure.

Background technique

The types of leisure chairs include leather, fabric, metal, rattan and solid wood. For a perfect home, elegant seats are essential. Different from the past, nowadays, leisure chairs with simple lines, transparent or jumping colors are more and more popular among young people. In busy urban life, leisure chairs bring people unlimited comfortable and fashionable home enjoyment. It is warm and comfortable on the sofa chair, of which the backrest of the sofa chair is a key component.

An adjustable chair back mechanism mentioned in the existing Chinese public patent (Authorization Announcement No.: CN218304096U) consists of a fixed plate, a back plate and a mounting rod. The side end surface of the fixed plate is equipped with symmetrically distributed The installation plate has a rotating shaft installed between the installation plates, a round tube is installed at the side end of the installation plate, a second spring is installed in the round tube, the installation rod is installed at the end of the second spring, and the installation rod passes through the installation plate , the first gear is installed on the installation rod, the upper end of the rotating shaft is installed with symmetrically distributed connecting rods, the backrest plate is installed on the upper end of the connecting rod, the side end of the backrest plate is installed with telescopic support rods distributed in an array, the telescopic support rods A support plate is installed at the end of the telescopic support rod, a first spring is installed on the outside of the telescopic support rod, and a soft backrest is installed at the end of the support plate, which has the advantages of easy adjustment and high comfort for the user to lean back against the backrest.

After returning home from get off work, today's work partners usually sit on a sofa to rest for a while to recover from the fatigue of the day's work. However, most of the existing sofas and chairs on the market do not have the ability to relax muscles and soothe the waist and back. The problem of fatigue leads to a decrease in the comfort of sofas and chairs, making it inconvenient to achieve the purpose of making work partners feel warm and comfortable when they return home, and to enjoy the home.

Utility model content

The purpose of this application is to solve the problem that most of the existing sofa chairs on the market do not have the ability to relax muscles and relieve waist and back fatigue, resulting in a decrease in the comfort of the sofa chair, making it inconvenient for work partners to feel warm and comfortable after returning home. , the problem of home enjoyment, this application provides a leisure sofa chair back structure.

In order to achieve the above purpose, this application specifically adopts the following technical solutions:

A leisure sofa chair back structure includes a base, a chute is provided in the middle of the top of the base, a slider is slidably connected to the inside of the chute, and a sliding mechanism is provided on the top of the slider. The mechanism includes a horizontal plate, with rotating rods fixedly connected to both ends of the horizontal plate. Rotating blocks are rotationally connected to the outer surfaces of the rotating rods on both sides. A backrest is fixedly connected to the top of the rotating block. The inside of the backrest is provided with There is a lifting mechanism. The bottom of the rotating block is provided with an engaging mechanism. One side of the rotating block is provided with an adjusting mechanism. The lifting mechanism includes an empty slot inside the backrest. The upper part of the inner part of the empty slot is fixed. A partition is connected, and a rotating motor is fixedly connected in the middle of the top of the partition. The output end of the rotating motor penetrates the partition and is fixedly connected to a threaded rod. The output end of the rotating motor is rotationally connected to the partition. The bottom end of the threaded rod is rotatably connected to the inner bottom wall of the empty slot. The outer surface of the threaded rod is threadedly connected to a lifting platform. Both sides of the lifting platform are connected with auxiliary rods. The two ends of the auxiliary rod are connected to the empty slot. The inner wall of the groove is fixedly connected, and a massage component is provided on one side of the lifting platform. The massage component includes several installation rods fixedly connected to one side of the lifting platform. The end of the installation rod away from the lifting platform is fixedly connected with a concave block for installation. Rod, the inside of the recessed block installation rod is rotatably connected with a massage block, and a number of chute 4 are provided on the outer surface of one side of the backrest, and the chute 4 is slidingly connected with the massage block.

By adopting the above technical solution, the threaded rod is used to drive the lifting platform up and down. The stability of the lifting platform is improved through the auxiliary rod when lifting. At the same time, the purpose of simple structure is achieved. Through the massage component, the staff can lean on the cushion after being tired from work. The reciprocating lifting and lowering of the lifting mechanism makes the massage blocks reciprocate, thereby reciprocating massage on people's backs, achieving the purpose of quickly eliminating fatigue. Furthermore, several rubber blocks are arranged equidistantly on the outer surfaces of several of the massage blocks.

By adopting the above technical solution, the massage effect is improved.

Further, the sliding mechanism includes a horizontal plate fixedly installed on the top of the slider. A telescopic rod is fixedly connected to one side of the horizontal plate, and an L-shaped plate is fixedly connected to an end of the telescopic rod away from the horizontal plate. The L-shaped plate An electric cylinder is fixedly connected to the top of the profile plate. The output end of the electric cylinder penetrates the L-shaped plate and is fixedly connected to the telescopic rod. The output end of the electric cylinder is slidingly connected to the L-shaped plate.

By adopting the above technical solution, the electric cylinder is driven to cause the telescopic rod to expand and contract, thereby adjusting the position of the backrest on the base, thus having the function of adjusting the backrest forward and backward.

Further, the engaging mechanism includes a vertical plate fixedly installed at the bottom of the rotating block, an engaging block is threadedly connected to one side of the bottom of the vertical plate, a handle is fixedly connected to the outer surface of the engaging block, and the base A second chute is provided on one side close to the vertical plate. The engaging block penetrates the vertical plate and is engaged with the second chute.

By adopting the above technical solution, after the position of the backrest is adjusted, the position of the handle inside the second chute is adjusted so that the engaging block is in contact with the second chute, thereby fully maintaining the fixing performance of the backrest.

Further, the adjustment mechanism includes an arc-shaped rod fixedly connected to one side of the rotating block, an arc-shaped sleeve is slidably connected to the side of the arc-shaped rod away from the rotating block, and there are equidistantly arranged arc-shaped rods on the arc-shaped rod. There are several threaded holes one, and there are several threaded holes two at the corresponding position of the arc-shaped sleeve. One side of the arc-shaped sleeve is threaded with a fastening bolt, and the other end of the fastening bolt is threaded through the two threaded holes. Connect inside the threaded hole.

By adopting the above technical solution, take out the fastening bolts, and then move the arc-shaped rod to adjust the angle of the backrest. When it is adjusted to the appropriate position, the arc-shaped rod and the arc-shaped sleeve can be fixed by the fastening bolts. The structure It is simple and easy to operate, making it convenient for people to use, and enables the device to be used for people to lie down and rest.

Further, a moving block is fixedly connected to the bottom of the arc-shaped sleeve away from the arc-shaped rod. A chute three is provided on the side of the base close to the moving block. The side of the moving block close to the chute three is connected to the chute. Three sliding connections.

By adopting the above technical solution, through the moving block and the chute 3, when adjusting the position of the backrest, the adjusting components can be driven to move together, thereby achieving the purpose of adjusting the angle at any position.

To sum up, this application includes at least one of the following beneficial effects;

1. This application is equipped with a lifting mechanism, so that working partners can lie on the backrest after returning home from work. The threaded rod drives the lifting table to rise and fall. The lifting table drives the concave block to move up and down, so that the massage block slides up and down in the vertical groove. , so that the massage block can be controlled to reciprocate and rub the staff's back and waist to relieve waist and back fatigue.

2. This application is equipped with an engaging mechanism, a sliding mechanism and an adjusting mechanism, and uses an electric cylinder to move the telescopic rod, thereby adjusting the position of the backrest body on the base. The backrest can be adjusted to a suitable position through the engaging block. The angle of the backrest can be adjusted by adjusting the fastening bolt to rotate to the appropriate position, and then fixing the arc rod and arc sleeve through the fastening bolt. , the structure is simple and easy to operate, making it convenient for people to use.

Description of the drawings

Figure 1 is a schematic three-dimensional structural diagram of the main body of the device in this application;

Figure 2 is a schematic front structural view of the main body of the device in this application;

Figure 3 is a schematic structural diagram of the massage mechanism of the main body of the device in this application;

Figure 4 is an enlarged structural schematic diagram of position A in Figure 1 in this application.

Explanation of reference symbols:

1. Base; 2. Chute 1; 3. Slider; 4. Sliding mechanism; 6. Rotating rod; 7. Engaging mechanism; 8. Adjusting mechanism; 9. Lifting mechanism; 10. Rotating block; 11. Backrest; 41. Horizontal plate; 42. Telescopic rod; 43. L-shaped plate; 44. Electric cylinder; 71. Vertical plate; 72. Engagement block; 73. Handle; 74. Slide two; 81. Arc rod; 82. Arc sleeve; 83. Threaded hole one; 84. Threaded hole two; 85. Fastening bolt; 86. Moving block; 87. Chute three; 91. Partition plate; 92. Rotating motor; 93. Threaded rod; 94 , lifting platform; 95, auxiliary rod; 96, installation rod; 97, concave block; 98, massage block; 99, chute four.

Detailed ways

The present application will be further described in detail below in conjunction with Figures 1-4.

The embodiment of the present application discloses a backrest structure of a leisure sofa chair.

Referring to Figures 1, 2 and 3, a leisure sofa chair backrest 11 structure includes a base 1, a chute 2 is provided in the middle of the top of the base 1, and a slider 3 is slidably connected to the inside of the chute 2. The top of 3 is provided with a sliding mechanism 4. The sliding mechanism 4 includes a horizontal plate 41. Both ends of the horizontal plate 41 are fixedly connected with rotating rods 6. The outer surfaces of the rotating rods 6 on both sides are rotationally connected with rotating blocks 10. The tops of the rotating blocks 10 A backrest 11 is fixedly connected. A lifting mechanism 9 is provided inside the backrest 11. An engaging mechanism 7 is provided at the bottom of the rotating block 10. An adjusting mechanism 8 is provided on one side of the rotating block 10. The lifting mechanism 9 includes a lifting mechanism 9 provided inside the backrest 11. There is a partition plate 91 fixedly connected to the upper part of the empty slot. A rotating motor 92 is fixedly connected in the middle of the top of the partition 91. The output end of the rotating motor 92 penetrates the partition 91 and is fixedly connected to a threaded rod 93. The rotating motor 92 The output end is rotatably connected to the partition 91, and the bottom end of the threaded rod 93 is rotatably connected to the inner bottom wall of the empty slot. The outer surface of the threaded rod 93 is threadedly connected to a lifting platform 94, and both sides of the lifting platform 94 are connected with an auxiliary rod 95. , both ends of the auxiliary rod 95 are fixedly connected to the inner wall of the empty slot, and a massage component is provided on one side of the lifting platform 94. The lifting platform 94 is driven up and down through the threaded rod 93, and the stability of the lifting platform 94 is improved by the auxiliary rod 95 when lifting. At the same time, the purpose of simple structure is achieved. The massage assembly includes several mounting rods 96 fixedly connected to one side of the lifting platform 94. The mounting rod 96 is fixedly connected with a concave block 97 at one end away from the lifting platform 94. The concave block 97 is fixedly connected to the mounting rod 96. 97 The internal rotation of the installation rod 96 is connected with a massage block 98. A plurality of chute 99 is provided on the outer surface of one side of the backrest 11. The chute 499 is slidingly connected with the massage block 98. The outer surfaces of the several massage blocks 98 are equal in shape. There are several rubber blocks set apart. The massage effect is improved. Through the massage component, workers can lean on the cushions after working hard. The reciprocating lifting and lowering of the lifting mechanism 9 causes the massage block 98 to reciprocate, thereby reciprocating massage on people's backs and waists, thereby quickly eliminating fatigue. the goal of.

Referring to Figures 1 and 4, the sliding mechanism 4 includes a horizontal plate 41 fixedly installed on the top of the slider 3. A telescopic rod 42 is fixedly connected to one side of the horizontal plate 41, and an L-shaped rod 42 is fixedly connected to one end of the telescopic rod 42 away from the horizontal plate 41. Plate 43, L-shaped plate 43 is fixed on the base 1. The top of the L-shaped plate 43 is fixedly connected with an electric cylinder 44. The output end of the electric cylinder 44 penetrates the L-shaped plate 43 and is fixedly connected to the telescopic rod 42. The output end of the electric cylinder 44 It is slidingly connected to the L-shaped plate 43 and driven by the electric cylinder 44 so that the telescopic rod 42 is telescopic, thereby adjusting the position of the backrest 11 on the base 1, thus having the function of adjusting the backrest 11 forward and backward. The engaging mechanism 7 includes a fixed installation On the vertical plate 71 at the bottom of the rotating block 10, the bottom side of the vertical plate 71 is threadedly connected with an engaging block 72. The outer surface of the engaging block 72 is fixedly connected with a handle 73. The base 1 is provided with a slider on one side close to the vertical plate 71. The second slot 74, the engaging block 72 penetrates the vertical plate 71 and is engaged with the second slide 74. After the position of the backrest 11 is adjusted, adjust the position of the handle 73 inside the second slide 74, so that the engaging block 72 is in contact with the second slide 74. The two grooves 74 are in contact to fully maintain the fixation performance of the backrest 11. Referring to Figures 1 and 4, the adjustment mechanism 8 includes an arc-shaped rod 81 fixedly connected to one side of the rotating block 10. The arc-shaped rod 81 is away from the side of the rotating block 10. An arc sleeve 82 is slidably connected. The arc rod 81 is provided with a number of threaded holes 83 at equal intervals. The arc sleeve 82 is provided with a number of threaded holes 84 at corresponding positions. One side of the arc sleeve 82 is threaded. A fastening bolt 85 is connected, and the other end of the fastening bolt 85 is threadedly connected inside the threaded hole one 83 through the two threaded holes 84 . Adjust the angle of the backrest 11 by taking out the fastening bolt 85 and moving the arc rod 81. When it is adjusted to a suitable position, fix the arc rod 81 and the arc sleeve 82 through the fastening bolt 85. The structure Simple and easy to operate, it is convenient for people to use, and the device can be used for people to lie down and rest. The arc sleeve 82 is fixedly connected to the bottom of the arc rod 81 away from the moving block 86, and the base 1 is provided on one side close to the moving block 86. There is a chute three 87, and the side of the moving block 86 close to the chute three 87 is slidingly connected with the chute three 87. Through the moving block 86 and the chute 3 87, when adjusting the position of the backrest 11, the adjustment components can be driven to move together, thereby achieving the purpose of adjusting the angle of the backrest 11 at any position.

Working principle: When the work partner comes home, he first sits on the leisure sofa chair, and starts the electric cylinder 44 to drive the telescopic rod 42, so that the telescopic rod 42 expands and contracts, thereby adjusting the position of the backrest 11 on the base 1, thereby having the ability to adjust the backrest 11 For the function of forward and backward adjustment, after the position is adjusted, the engaging block 72 is rotated by turning the handle 73, thereby adjusting the position of the engaging block 72 inside the second chute 74, so that the engaging block 72 is in contact with the second chute 74. Contact to fully maintain the fixing performance of the backrest 11, take out the fastening bolt 85, and then drive the arc rod 81 to slide on the arc sleeve 82. When it slides to the appropriate position, rotate the fastening bolt 85 into the threaded hole. 84 and enter the inside of the threaded hole 83, thereby fixing the arc rod 81 and the arc sleeve 82. The structure is simple and easy to operate, which is convenient for people to use, and the device can be used for people to lie down and rest. Then the sliding block 86 is slidably connected to the chute 387, so that when the telescopic rod 42 pushes the backrest 11, it can drive the arc rod 81 and the arc sleeve 82 to move, thereby achieving the purpose of adjusting the angle at any position. When the angle is adjusted After completion, the rotating motor 92 drives the threaded rod 93 to rotate, and the threaded rod 93 drives the lifting platform 94 to move up and down. When moving, the auxiliary rod 95 is used for auxiliary movement. When the lifting platform 94 moves, the concave block 97 is driven to move up and down. 97 drives the massage block 98 to slide up and down inside the chute 99, so that the massage block 98 can be controlled to reciprocally rub the staff's back to relieve fatigue, and the massage effect is improved through the rubber block.

Claims (6)

1. A leisure sofa chair back structure, including a base (1), characterized in that: a chute (2) is provided in the middle of the top of the base (1), and the interior of the chute (2) is slidingly connected There is a slider (3), and a sliding mechanism (4) is provided on the top of the slider (3). The sliding mechanism (4) includes a horizontal plate (41), and both ends of the horizontal plate (41) are fixedly connected. There is a rotating rod (6). The outer surfaces of the rotating rods (6) on both sides are rotationally connected to rotating blocks (10). The top of the rotating block (10) is fixedly connected to a backrest (11). The backrest (11) ) is provided with a lifting mechanism (9) inside, the bottom of the rotating block (10) is provided with an engaging mechanism (7), and one side of the rotating block (10) is provided with an adjusting mechanism (8). The mechanism (9) includes an empty slot opened inside the backrest (11). A partition (91) is fixedly connected to the upper part of the empty slot, and a rotating motor (92) is fixedly connected to the top of the partition (91) in the middle. , the output end of the rotating motor (92) penetrates the partition (91) and is fixedly connected with a threaded rod (93), the output end of the rotating motor (92) is rotationally connected to the partition (91), and the threaded rod The bottom end of (93) is rotatably connected to the inner bottom wall of the empty slot. The outer surface of the threaded rod (93) is threadedly connected to a lifting platform (94). Both sides of the lifting platform (94) are connected with auxiliary rods. (95), the two ends of the auxiliary rod (95) are fixedly connected to the inner wall of the empty slot, and a massage component is provided on one side of the lifting platform (94). The massage component includes a massage component fixedly connected to the lifting platform (94). There are several mounting rods (96) on one side. The end of the mounting rod (96) away from the lifting platform (94) is fixedly connected with a concave block (97) mounting rod (96). The concave block (97) mounting rod (96) A massage block (98) is rotatably connected to the inside of the backrest (11). A number of four chute (99) are provided on one side of the backrest (11). The four chute (99) slides with the massage block (98). connect. 2. A leisure sofa chair back structure according to claim 1, characterized in that several rubber blocks are arranged equidistantly on the outer surfaces of several massage blocks (98). 3. A leisure sofa chair back structure according to claim 1, characterized in that: the sliding mechanism (4) includes a horizontal plate (41) fixedly installed on the top of the slider (3), and the horizontal plate (41) A telescopic rod (42) is fixedly connected to one side of the telescopic rod (41), an L-shaped plate (43) is fixedly connected to one end of the telescopic rod (42) away from the horizontal plate (41), and the top of the L-shaped plate (43) is fixed An electric cylinder (44) is connected. The output end of the electric cylinder (44) penetrates the L-shaped plate (43) and is fixedly connected to the telescopic rod (42). The output end of the electric cylinder (44) is connected to the L-shaped plate (43). ) sliding connection. 4. A leisure sofa chair back structure according to claim 1, characterized in that: the engaging mechanism (7) includes a vertical plate (71) fixedly installed at the bottom of the rotating block (10), the vertical plate A locking block (72) is threadedly connected to one side of the bottom of the locking block (71). A handle (73) is fixedly connected to the outer surface of the locking block (72). The base (1) is close to a side of the vertical plate (71). There is a second chute (74) on the side, and the engaging block (72) penetrates the vertical plate (71) and is engaged with the second chute (74). 5. A leisure sofa chair back structure according to claim 1, characterized in that: the adjustment mechanism (8) includes an arc-shaped rod (81) fixedly connected to one side of the rotating block (10), and the arc-shaped rod (81) is fixedly connected to one side of the rotating block (10). An arc-shaped sleeve (82) is slidably connected to the side of the shaped rod (81) away from the rotating block (10). A number of threaded holes (83) are equidistantly provided on the arc-shaped rod (81). A number of threaded holes (84) are provided at corresponding positions of the arc-shaped sleeve (82). One side of the arc-shaped sleeve (82) is threadedly connected with a fastening bolt (85). The fastening bolt (85) The other end is threadedly connected inside the threaded hole one (83) through the threaded hole two (84). 6. A leisure sofa chair back structure according to claim 5, characterized in that: the bottom of the arc sleeve (82) away from the arc rod (81) is fixedly connected with a moving block (86), and the A third chute (87) is provided on the side of the base (1) close to the moving block (86). The side of the moving block (86) close to the third chute (87) is slidingly connected to the third chute (87).