Elastic cloth tightening device for deck chair

Abstract

The utility model relates to the technical field of deck chair production, and discloses a deck chair elastic cloth tightening device which comprises a placing table, two groups of fixing blocks are fixedly connected to the upper surface of the placing table, and fixing mechanisms are arranged in the two groups of fixing blocks. According to the deck chair elastic cloth tightening device, when elastic cloth is fixed, firstly, one end of the elastic cloth is placed on the upper surface of a clamping groove, a clamping block is pulled, a hinge base, a second sliding block and a clamping strip are driven by the clamping block to vertically move downwards, a first spring is compressed, the clamping strip moves to the inner wall of the clamping groove, and after the clamping strip moves to the bottommost part, the elastic cloth is tightened; by means of the structure, the problem that elastic cloth falls off when being tightened is effectively solved, the effect of fixing the elastic cloth can be achieved, meanwhile, the fixing efficiency of the elastic cloth is improved, the time needed for fixing is shortened, and the practicability is high. And the safety of the device can be improved in the actual use process.

Description

Technical Field

[0001] The utility model relates to the technical field of reclining chair production, in particular to a reclining chair elastic cloth tightening device. Background Art

[0002] A recliner is a chair used for resting and other purposes. The materials used for modern recliners can be: mahogany, bamboo, rattan, aluminum alloy, Oxford cloth, canvas, Teslin cloth, etc. During the production process of the recliner, the raw material stretch fabric needs to be tightened.

[0003] According to a device for threading a fixing strip and tightening the elastic fabric of a bed with application number 201922196522.4, the fixing strip can be quickly fixed in the elastic fabric, and the elastic fabric can be restored to a tightened state and set on the elastic bed.

[0004] However, the following problems still exist in actual use:

[0005] (1) The elastic fabric of this type of reclining bed is threaded through a fixing strip and a tightening device. In actual use, the elastic fabric cannot be effectively fixed, which may cause the elastic fabric to come off when being tightened. The elastic fabric cannot be properly positioned, which reduces the production efficiency of the reclining chair and also reduces the safety during production.

[0006] (2) The elastic fabric of this type of bed is passed through a fixing strip and a tightening device, and the tightness of the elastic fabric cannot be adjusted. Since different types of elastic fabrics have different elasticity, the tightness needs to be adjusted according to their elasticity, which increases the limitations of the device and affects the quality of the finished product. Utility Model Content

[0007] In view of the deficiencies in the prior art, the utility model provides a reclining chair elastic fabric tensioning device, which has the advantages of preventing the elastic fabric from falling off and adjusting the tightness of the elastic fabric, thereby solving the problems raised in the background technology.

[0008] The utility model provides the following technical solutions: a device for tightening elastic fabric of a recliner, comprising a placing table, wherein two groups of fixing blocks are fixedly connected to the upper surface of the placing table, and fixing mechanisms are arranged inside the two groups of fixing blocks, wherein the fixing mechanism comprises a second slider, an articulated seat, a clamping block, a spring one and a clamping strip, wherein the second slider is slidably connected to the fixing block, the articulated seat is fixedly connected to the second slider, the articulated seat is slidably connected to the fixing block, the clamping block is rotatably connected to the articulated seat, one end of the first spring is fixedly connected to the second slider, the other end of the first spring is fixedly connected to the fixing block, and the clamping strip is fixedly connected to the second slider.

[0009] Preferably, two groups of receiving blocks 1 are attached to the upper surface of the placing table, and adjustment mechanisms are provided inside the two groups of receiving blocks 1, and the adjustment mechanisms include a fixed plate, a connecting rod, a handle, a spring 2 and a receiving block 2, the receiving block 2 is slidably connected to the receiving block 1, the receiving block 2 is attached to the fixed plate, the fixed plate is fixedly connected to the receiving block 1, the receiving block 2 is fixedly connected to the connecting rod, the connecting rod is fixedly connected to the handle, the connecting rod is slidably plugged into the receiving block 1, one end of the spring 2 is fixedly connected to the receiving block 2, and the other end of the spring 2 is fixedly connected to the receiving block 1.

[0010] Preferably, a slide groove is provided on the upper surface of the placing table, a servo motor is fixedly installed on one side of the placing table, a screw rod is fixedly connected to the output shaft of the servo motor, the screw rod is rotatably connected to the placing table, a slider 1 is threadedly connected to the surface of the screw rod, the slider 1 is fitted with the inner wall of the slide groove, the slider 1 is slidably connected to the placing table, and the slider 1 is fixedly connected to a receiving block 1.

[0011] Preferably, a limiting rod is fixedly connected to the inner wall of the slide groove, and the limiting rod is slidably plugged with the slider 1. The limiting rod can limit the slider 1, so that the slider 1 is more stable when moving horizontally.

[0012] Preferably, a card slot is fixedly connected to the upper surface of the placement table, and the card slot and the card strip are located on the same vertical plane.

[0013] Preferably, four groups of support rods are fixedly connected to the lower surface of the placement table, and anti-slip pads are fixedly installed at the lower ends of the four groups of support rods, which can achieve the effect of supporting the device and improve the stability of the device.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. When fixing the elastic fabric of the recliner elastic fabric tensioning device, first, place one end of the elastic fabric on the upper surface of the card slot, pull the card block, and drive the hinge seat, the slider 2 and the card strip to move vertically downward through the card block, so that the spring 1 is compressed, and the card strip moves to the inner wall of the card slot. After the card strip moves to the bottom, the card block is deflected with the hinge seat as the center through the hinge seat, so that the lower end of the card block fits with the lower surface of the placement table, thereby limiting the card strip and fixing the elastic fabric. The setting of this structure effectively avoids the problem of the elastic fabric falling off when being tightened, and can achieve the effect of fixing the elastic fabric. At the same time, it improves the fixing efficiency of the elastic fabric, reduces the time required for fixing, and can also improve the safety of the device during actual use.

[0016] 2. When tightening the elastic fabric of the recliner elastic fabric, first, pull the handle, and use the handle to drive the connecting rod and the receiving block 2 to move vertically upward, so that the receiving block 2 is separated from the upper surface of the fixed plate, so that the spring 2 is stretched, and the elastic fabric is placed on the upper surface of the fixed plate, and the handle is released. The elastic force of the spring 2 restores the connecting rod and the receiving block 2 to their original positions, and the elastic fabric is clamped by the fixed plate. The servo motor is started, and the lead screw is driven to rotate by the servo motor, so that the slider 1 moves horizontally along the inner wall of the slide groove, thereby driving the elastic fabric to be tightened. The setting of this structure effectively avoids the problem of different elasticity of elastic fabrics of different models, and can achieve the effect of regulating the tightness of the elastic fabric. At the same time, it reduces the limitations of the device, so that it can meet different processing requirements, and can also improve the practicability of the device during actual use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of the utility model device;

[0018] Figure 2 For this utility model Figure 1 A schematic diagram of a partial structure viewed from above;

[0019] Figure 3 For this utility model Figure 1 Rear view of the local structure diagram;

[0020] Figure 4 It is a left-side internal structure schematic diagram of the utility model.

[0021] In the figure: 1. placing table; 2. servo motor; 3. slide groove; 4. anti-skid pad; 5. support rod; 6. fixed block; 7. slider 1; 8. limit rod; 9. screw rod; 10. slot; 11. clamping strip; 12. slider 2; 13. hinge seat; 14. clamping block; 15. spring 1; 16. fixing mechanism; 17. fixing plate; 18. connecting rod; 19. receiving block 1; 20. handle; 21. spring 2; 22. receiving block 2; 23. adjustment mechanism. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4, a reclining chair elastic fabric tensioning device comprises a placing table 1, the upper surface of the placing table 1 is fixedly connected with two groups of fixing blocks 6, the interiors of the two groups of fixing blocks 6 are provided with fixing mechanisms 16, the fixing mechanisms 16 comprise a slider 2 12, a hinge seat 13, a clamping block 14, a spring 15 and a clamping strip 11, the slider 2 12 is slidably connected to the fixing block 6, the hinge seat 13 is fixedly connected to the slider 2 12, the hinge seat 13 is slidably connected to the fixing block 6, the clamping block 14 is rotatably connected to the hinge seat 13, one end of the spring 15 is fixedly connected to the slider 2 12, the other end of the spring 15 is fixedly connected to the fixing block 6, the clamping strip 11 is fixedly connected to the slider 2 12, and a clamping groove 10 is fixedly connected to the upper surface of the placing table 1, the clamping groove 10 and the clamping strip 11 are located in the same vertical plane, which improves the fixing efficiency of the elastic fabric, reduces the time required for fixing, effectively avoids the problem of the elastic fabric falling off when being tightened, can achieve the effect of fixing the elastic fabric, and can also improve the safety of the device during actual use.

[0024] See also Figure 1 , 4 Two groups of receiving blocks 19 are attached to the upper surface of the placing table 1, and the interiors of the two groups of receiving blocks 19 are both provided with adjustment mechanisms 23, which include a fixed plate 17, a connecting rod 18, a handle 20, a spring 21 and a receiving block 22, the receiving block 22 is slidably connected to the receiving block 19, the receiving block 22 is attached to the fixed plate 17, the fixed plate 17 is fixedly connected to the receiving block 19, the receiving block 22 is fixedly connected to the connecting rod 18, the connecting rod 18 is fixedly connected to the handle 20, the connecting rod 18 is slidably plugged into the receiving block 19, one end of the spring 21 is fixedly connected to the receiving block 22, and the other end of the spring 21 is fixedly connected to the receiving block 19, which reduces the limitations of the device, enables it to meet different processing requirements, effectively avoids the problem of different elasticity of elastic fabrics of different models, can achieve the effect of regulating the tightness of the elastic fabric, and can also improve the practicability of the device during actual use.

[0025] See also Figure 1 , 2 , 4. A slide groove 3 is provided on the upper surface of the placement table 1, a servo motor 2 is fixedly installed on one side of the placement table 1, a screw rod 9 is fixedly connected to the output shaft of the servo motor 2, the screw rod 9 is rotatably connected to the placement table 1, a slider 7 is threadedly connected to the surface of the screw rod 9, the slider 7 is fitted with the inner wall of the slide groove 3, the slider 7 is slidably connected to the placement table 1, the slider 7 is fixedly connected to the receiving block 19, a limit rod 8 is fixedly connected to the inner wall of the slide groove 3, the limit rod 8 is slidably plugged with the slider 7, four groups of support rods 5 are fixedly connected to the lower surface of the placement table 1, and anti-slip pads 4 are fixedly installed at the lower ends of the four groups of support rods 5, the horizontal position of the slider 7 can be adjusted by the screw rod 9, thereby improving the versatility of the device.

[0026] Working principle: when fixing the elastic cloth, first, place one end of the elastic cloth on the upper surface of the card slot 10, pull the card block 14, and drive the hinge seat 13, the slider 12 and the card strip 11 to move vertically downward through the card block 14, so that the spring 15 is compressed, and the card strip 11 moves to the inner wall of the card slot 10. After the card strip 11 moves to the bottom, the card block 14 is deflected with the hinge seat 13 as the center through the hinge seat 13, so that the lower end of the card block 14 is in contact with the lower surface of the placement table 1, thereby limiting the card strip 11, and then fixing the elastic cloth, and tightening the elastic cloth. When the handle 20 is pulled, the connecting rod 18 and the receiving block 22 are driven by the handle 20 to move vertically upward, so that the receiving block 22 is separated from the upper surface of the fixed plate 17, so that the spring 21 is stretched, and the elastic cloth is placed on the upper surface of the fixed plate 17. The handle 20 is released, and the elastic force of the spring 21 makes the connecting rod 18 and the receiving block 22 return to their original positions, and the elastic cloth is clamped by the fixed plate 17. The servo motor 2 is started, and the screw rod 9 is driven by the servo motor 2 to rotate, so that the slider 7 moves horizontally along the inner wall of the slide groove 3, thereby driving the elastic cloth to be tightened.

[0027] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for tightening elastic fabric of a reclining chair, comprising a placing table (1), characterized in that: Two groups of fixed blocks (6) are fixedly connected to the upper surface of the placement table (1), and a fixing mechanism (16) is arranged inside the two groups of fixed blocks (6). The fixing mechanism (16) includes a second slider (12), a hinge seat (13), a clamping block (14), a spring (15) and a clamping strip (11). The second slider (12) is slidably connected to the fixed block (6), the hinge seat (13) is fixedly connected to the second slider (12), the hinge seat (13) is slidably connected to the fixed block (6), the clamping block (14) is rotatably connected to the hinge seat (13), one end of the spring (15) is fixedly connected to the second slider (12), the other end of the spring (15) is fixedly connected to the fixed block (6), and the clamping strip (11) is fixedly connected to the second slider (12).

2. The elastic fabric tensioning device for a reclining chair according to claim 1, characterized in that: The upper surface of the placing table (1) is fitted with two groups of receiving blocks (19), and the inside of the two groups of receiving blocks (19) is provided with an adjustment mechanism (23). The adjustment mechanism (23) includes a fixed plate (17), a connecting rod (18), a handle (20), a spring (21) and a receiving block (22). The receiving block (22) is slidably connected to the receiving block (19), the receiving block (22) is fitted with the fixed plate (17), the fixed plate (17) is fixedly connected to the receiving block (19), the receiving block (22) is fixedly connected to the connecting rod (18), the connecting rod (18) is fixedly connected to the handle (20), the connecting rod (18) is slidably plugged with the receiving block (19), one end of the spring (21) is fixedly connected to the receiving block (22), and the other end of the spring (21) is fixedly connected to the receiving block (19).

3. The elastic fabric tensioning device for a reclining chair according to claim 1, characterized in that: A slide groove (3) is provided on the upper surface of the placement platform (1), a servo motor (2) is fixedly installed on one side of the placement platform (1), a screw rod (9) is fixedly connected to the output shaft of the servo motor (2), the screw rod (9) is rotatably connected to the placement platform (1), a slider (7) is threadedly connected to the surface of the screw rod (9), the slider (7) is fitted with the inner wall of the slide groove (3), the slider (7) is slidably connected to the placement platform (1), and the slider (7) is fixedly connected to a receiving block (19).

4. The elastic fabric tensioning device for a reclining chair according to claim 3, characterized in that: The inner wall of the slide groove (3) is fixedly connected to a limit rod (8), and the limit rod (8) is slidably plugged with a slide block (7).

5. The elastic fabric tensioning device for a reclining chair according to claim 1, characterized in that: A card slot (10) is fixedly connected to the upper surface of the placement platform (1), and the card slot (10) and the card strip (11) are located on the same vertical plane.

6. The elastic fabric tensioning device for a reclining chair according to claim 1, characterized in that: Four groups of support rods (5) are fixedly connected to the lower surface of the placement table (1), and anti-slip pads (4) are fixedly installed at the lower ends of the four groups of support rods (5).

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