External sewing device for sofa production

By designing an adjustable height and movable sewing device, the problem of existing sewing machines being unable to adapt to different sofa sizes has been solved, enabling convenient operation of sewing on the exterior of sofas.

CN223793346UActive Publication Date: 2026-01-13XIANGYANG AOLIDE HOME FURNISHING CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202520095646.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-16
Publication Date
2026-01-13
Estimated Expiration
2035-01-16

AI Technical Summary

Technical Problem

Existing sewing machines cannot be adjusted to fit the size of the sofa, making them inconvenient to use and difficult to move, which in turn makes sewing on the exterior of the sofa difficult.

Method used

A sewing device comprising a base, casters, a pusher groove, a pusher plate, a support mechanism, and a drive motor is designed. The casters and drive motor enable the movement and height adjustment of the device, while the pusher plate is fixed and released using a knob and a fixing screw. Foot pedal operation enables the movement of the sewing machine and the sewing operation.

Benefits of technology

It enables height adjustment and movement of the sewing machine for sofas of different heights, simplifies the external sewing operation of the sofa, and improves the ease of use.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223793346U_ABST
    Figure CN223793346U_ABST
Patent Text Reader

Abstract

The utility model belongs to the field of sewing equipment, and particularly relates to an external sewing device for sofa production, which comprises a base, universal wheels are mounted at four corners of the bottom of the base, a pushing groove is formed in the top of the base, a pushing plate is slidably mounted in the pushing groove, and a pedal is fixedly mounted at the top of the pushing plate. Two fixing grooves are formed in the inner wall of the bottom of the pushing groove, a threaded hole is formed in the pushing plate, a fixing screw is installed in the threaded hole in a threaded mode and matched with the corresponding fixing groove, a rotary knob is fixedly installed at the top end of the fixing screw, and two supporting mechanisms are installed at the top of the pushing plate. A sewing table is arranged at the tops of the two supporting mechanisms, and a sewing machine body used for sewing the exterior of the sofa is arranged at the top of the sewing table. The sofa sewing table is reasonable in design, the height of the sewing table can be adjusted, the purpose of sewing sofas with different heights can be achieved, and meanwhile the sewing table can move along the sofas and sew the sofas.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of sewing equipment technology, and in particular to an external sewing device for sofa production. Background Technology

[0002] Sofas are a necessity for many families. Sofas sold on the market are generally divided into three types: low-back sofas, high-back sofas, and ordinary sofas that fall between the two. During the production process of sofas, the outer upholstery needs to be sewn.

[0003] Currently, a sewing machine for processing and producing sofa chairs, disclosed in Chinese Patent Publication No. CN208151611U, has the following structure: a machine base, on which a sewing machine is mounted. The sewing machine is located at the upper right edge of the machine base and is fixedly connected to it. The machine base is equipped with a motor housing, a motor, a sewing table, and a feed rod. The motor has a rotating shaft and a rotating wheel. The motor housing is located inside the upper right corner of the machine base and is fixedly connected to it. The sewing machine is equipped with a transmission wheel, a speed control disc, a control panel, a connecting rod, a sewing machine head, and a limit rod. The transmission wheel has a transmission shaft and a belt. The sewing machine head has an error correction cylinder and a needle bar.

[0004] In practical use, it was found that the device could not be adjusted according to the size of the sofa, which made it inconvenient to use. When sewing the exterior of the sofa, the sewing machine was difficult to move, causing inconvenience. Therefore, we proposed an external sewing device for sofa production to solve the above problems. Utility Model Content

[0005] The purpose of this utility model is to address the shortcomings of existing technologies by proposing an external sewing device for sofa production.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] An external sewing device for sofa production includes a base, with casters installed at the four corners of the bottom of the base, a push groove on the top of the base, a push plate slidably installed in the push groove, and a pedal fixedly installed on the top of the push plate.

[0008] Two fixing slots are provided on the bottom inner wall of the push groove. A threaded hole is provided on the push plate. A fixing screw is installed in the threaded hole. The fixing screw is adapted to the corresponding fixing slot. A knob is fixedly installed on the top of the fixing screw.

[0009] The push plate has two support mechanisms installed on its top, and a sewing table is provided on the top of the two support mechanisms. The sewing machine body for sewing the exterior of the sofa is provided on the top of the sewing table.

[0010] Preferably, two sliding grooves are formed on the bottom inner wall of the push groove, and multiple connecting seats are fixedly installed on the bottom of the push plate. Rollers are rotatably installed between two corresponding connecting seats, and the rollers are in contact with the bottom inner wall of the sliding groove.

[0011] Preferably, T-shaped guide grooves are provided on the inner walls of both sides of the push groove, and T-shaped guide seats are fixedly installed on both sides of the push plate, and the T-shaped guide seats are slidably connected to the corresponding T-shaped guide grooves.

[0012] Preferably, the support mechanism includes a support plate, an adjustment groove, and a support base. Two support plates are fixedly installed on the top of the push plate. An adjustment groove is provided on the top of the support plate. A support base is slidably installed in the adjustment groove, and the top of the support base is fixedly installed on the bottom of the sewing table.

[0013] Preferably, a movable hole is provided on one side of the inner wall of the adjustment groove, and the same movable plate is slidably installed in the two movable holes, and the movable plate is fixedly connected to the support base.

[0014] Preferably, a horizontal plate is fixedly installed between the two support plates, and a driving mechanism is provided on the horizontal plate, which is connected to the moving plate.

[0015] Preferably, the driving mechanism includes a drive motor and a threaded rod. The drive motor is fixedly mounted on the top of the horizontal plate, and the threaded rod is fixedly mounted on the output shaft of the drive motor. The bottom end of the threaded rod is rotatably mounted on the push plate, and the moving plate is threadedly sleeved on the threaded rod.

[0016] Preferably, the top of the push plate is provided with a rotating groove, and the bottom end of the threaded rod is rotatably installed in the rotating groove.

[0017] Preferably, a reset spring is fixedly installed on the rear side of the push plate, and the rear end of the reset spring is fixedly installed on the rear inner wall of the push groove.

[0018] Preferably, limit grooves are provided on the inner walls of the front and rear sides of the adjustment groove, and limit seats are fixedly installed on the front and rear sides of the support base, with the limit seats slidably connected to the corresponding limit grooves.

[0019] The beneficial effects of this utility model are:

[0020] 1. When sewing the exterior of sofas of different heights, move the base to one side of the sofa. The drive motor can then move the sewing table and the sewing machine body, allowing the height of the sewing machine body to be adjusted, thus enabling the sewing of sofas of different heights.

[0021] 2. By rotating the knob and fixing screw, the fixing screw can be moved while rotating under the action of the threaded hole. The fixing screw can disengage from the corresponding fixing groove, which can achieve the purpose of fixing and releasing the push plate.

[0022] 3. Place the sofa leather with stitching on the sewing table. The sewing machine can sew the sofa. At the same time, by stepping on the foot pedal, the push plate, sewing table and sewing machine can be moved to sew along the sofa. Attached Figure Description

[0023] Figure 1 This is a three-dimensional structural diagram of an external sewing device for sofa production proposed in this utility model.

[0024] Figure 2 This is a cross-sectional perspective view of an external sewing device for sofa production proposed in this utility model.

[0025] Figure 3 This is a schematic diagram of part A of an external sewing device for sofa production proposed in this utility model;

[0026] Figure 4 This is a schematic diagram of part B of an external sewing device for sofa production proposed in this utility model.

[0027] In the diagram: 1. Base; 2. Casters; 3. Push groove; 4. Push plate; 401. Pedal; 402. Return spring; 5. Support mechanism; 501. Support plate; 502. Adjustment groove; 503. Support seat; 6. Sewing table; 7. Sewing machine body; 801. Moving hole; 802. Moving plate; 901. Horizontal plate; 902. Drive motor; 903. Threaded rod; 1001. T-shaped guide groove; 1002. T-shaped guide seat; 1101. Sliding groove; 1102. Connecting seat; 1103. Roller; 1201. Fixing groove; 1202. Threaded hole; 1203. Fixing screw; 1204. Knob. Detailed Implementation

[0028] The technical solution of this utility model will now be clearly and completely described with reference to specific embodiments. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0029] Reference Figure 1-4An external sewing device for sofa production includes a base 1, with casters 2 installed at the four corners of the bottom of the base 1. A push groove 3 is provided on the top of the base 1, and a push plate 4 is slidably installed in the push groove 3. A pedal 401 is fixedly installed on the top of the push plate 4. Two fixing grooves 1201 are provided on the inner wall of the bottom of the push groove 3. A threaded hole 1202 is provided on the push plate 4, and a fixing screw 1203 is threadedly installed in the threaded hole 1202. The fixing screw 1203 is adapted to the corresponding fixing groove 1201. A knob 1204 is fixedly installed on the top of the fixing screw 1203. Two support mechanisms 5 are installed on the top of the push plate 4. A sewing table 6 is provided on the top of the two support mechanisms 5. A sewing machine body 7 for external sewing of the sofa is provided on the top of the sewing table 6.

[0030] In this embodiment, two sliding grooves 1101 are provided on the bottom inner wall of the pushing groove 3. Multiple connecting seats 1102 are fixedly installed on the bottom of the pushing plate 4. Rollers 1103 are rotatably installed between two corresponding connecting seats 1102. The rollers 1103 are in contact with the bottom inner wall of the sliding groove 1101. By providing the rollers 1103, the pushing plate 4 can slide. T-shaped guide grooves 1001 are provided on both sides of the inner wall of the pushing groove 3. T-shaped guide seats 1002 are fixedly installed on both sides of the pushing plate 4. The T-shaped guide seats 1002 are slidably connected to the corresponding T-shaped guide grooves 1001. By providing the T-shaped guide seats 1002 and T-shaped guide grooves 1001, the pushing plate 4 can be guided, thereby achieving the purpose of stable movement of the pushing plate 4.

[0031] In this embodiment, the support mechanism 5 includes a support plate 501, an adjustment groove 502, and a support base 503. Two support plates 501 are fixedly installed on the top of the push plate 4. An adjustment groove 502 is provided on the top of the support plate 501. The support base 503 is slidably installed in the adjustment groove 502, and the top of the support base 503 is fixedly installed on the bottom of the sewing table 6. By setting the support plate 501 and the support base 503, the sewing table 6 can be supported. A moving hole 801 is provided on one inner wall of the adjustment groove 502. The same moving plate 802 is slidably installed in the two moving holes 801, and the moving plate 802 is fixedly connected to the support base 503. By setting the moving plate 802, the moving plate 802 can drive the two support bases 503 to move.

[0032] In this embodiment, a horizontal plate 901 is fixedly installed between two support plates 501. A driving mechanism is provided on the horizontal plate 901 and is connected to the moving plate 802. The driving mechanism includes a drive motor 902 and a threaded rod 903. The drive motor 902 is fixedly installed on the top of the horizontal plate 901. A threaded rod 903 is fixedly installed on the output shaft of the drive motor 902. The bottom end of the threaded rod 903 is rotatably installed on the push plate 4, and the moving plate 802 is threadedly sleeved on the threaded rod 903. A rotating groove is opened on the top of the push plate 4, and the bottom end of the threaded rod 903 is rotatably installed in the rotating groove. By providing the threaded rod 903, the rotation of the threaded rod 903 can drive the moving plate 802 to move.

[0033] In this embodiment, a reset spring 402 is fixedly installed on the rear side of the push plate 4. The rear end of the reset spring 402 is fixedly installed on the rear inner wall of the push groove 3. By providing the reset spring 402, the reset spring 402 can push the push plate 4 to reset. Limiting grooves are provided on the front and rear inner walls of the adjusting groove 502. Limiting seats are fixedly installed on the front and rear sides of the support base 503, and the limiting seats are slidably connected to the corresponding limiting grooves. By providing the limiting grooves and limiting seats, the support base 503 can be guided, thereby enabling the support base 503 to move stably.

[0034] In this invention, when sewing the exterior of sofas of different heights, the base 1 is moved to one side of the sofa, and the drive motor 902 is started. The drive motor 902 drives the threaded rod 903 to rotate, which in turn drives the moving plate 802 to move. The moving plate 802 then drives the support base 503 to move, which in turn drives the sewing table 6 and the sewing machine body 7 to adjust their height. This allows for sewing sofas of different heights. The height can be adjusted by rotating the knob. 1204 and the fixing screw 1203, under the action of the threaded hole 1202, can make the fixing screw 1203 rotate and move at the same time. The fixing screw 1203 can disengage from the corresponding fixing groove 1201, which can achieve the purpose of fixing and releasing the push plate 4. The sofa leather with stitching is placed on the sewing table 6, and the sofa can be sewn by the sewing machine body 7. At the same time, by stepping on the foot pedal, the push plate 4, the sewing table 6 and the sewing machine body 7 can be moved, so as to sew along the sofa.

[0035] The foregoing has provided a detailed description of the external sewing device for sofa production provided by this utility model. Specific embodiments have been used to illustrate the principle and implementation of this utility model. The descriptions of the embodiments above are merely for the purpose of helping to understand the method and core idea of ​​this utility model. It should be noted that those skilled in the art can make various improvements and modifications to this utility model without departing from its principles, and these improvements and modifications also fall within the protection scope of the claims of this utility model.

Claims

1. An external sewing device for sofa production, characterized in that, Includes a base (1), with casters (2) installed at the four corners of the bottom of the base (1), a push groove (3) is provided on the top of the base (1), a push plate (4) is slidably installed in the push groove (3), and a pedal (401) is fixedly installed on the top of the push plate (4); The bottom inner wall of the push groove (3) has two fixing grooves (1201), the push plate (4) has a threaded hole (1202), a fixing screw (1203) is threaded in the threaded hole (1202), the fixing screw (1203) is adapted to the corresponding fixing groove (1201), and a knob (1204) is fixedly installed at the top of the fixing screw (1203). The push plate (4) has two support mechanisms (5) installed on its top. The top of the two support mechanisms (5) is provided with a sewing table (6). The top of the sewing table (6) is provided with a sewing machine body (7) for sewing the exterior of the sofa.

2. The external sewing device for sofa production according to claim 1, characterized in that, Two sliding grooves (1101) are opened on the bottom inner wall of the push groove (3). Multiple connecting seats (1102) are fixedly installed on the bottom of the push plate (4). Rollers (1103) are rotatably installed between the corresponding two connecting seats (1102). The rollers (1103) are in contact with the bottom inner wall of the sliding groove (1101).

3. The external sewing device for sofa production according to claim 1, characterized in that, T-shaped guide grooves (1001) are provided on both sides of the inner wall of the push groove (3), and T-shaped guide seats (1002) are fixedly installed on both sides of the push plate (4), and the T-shaped guide seats (1002) are slidably connected to the corresponding T-shaped guide grooves (1001).

4. The external sewing device for sofa production according to claim 1, characterized in that, The support mechanism (5) includes a support plate (501), an adjustment groove (502), and a support base (503). Two support plates (501) are fixedly installed on the top of the push plate (4). An adjustment groove (502) is provided on the top of the support plate (501). The support base (503) is slidably installed in the adjustment groove (502), and the top of the support base (503) is fixedly installed on the bottom of the sewing table (6).

5. An external sewing device for sofa production according to claim 4, characterized in that, A movable hole (801) is provided on one side of the inner wall of the adjustment groove (502). The same movable plate (802) is slidably installed in the two movable holes (801), and the movable plate (802) is fixedly connected to the support base (503).

6. An external sewing device for sofa production according to claim 5, characterized in that, A horizontal plate (901) is fixedly installed between the two support plates (501). The horizontal plate (901) is provided with a driving mechanism, and the driving mechanism is connected to the moving plate (802).

7. An external sewing device for sofa production according to claim 6, characterized in that, The driving mechanism includes a drive motor (902) and a threaded rod (903). The drive motor (902) is fixedly installed on the top of the horizontal plate (901). The threaded rod (903) is fixedly installed on the output shaft of the drive motor (902). The bottom end of the threaded rod (903) is rotatably installed on the push plate (4), and the moving plate (802) is threaded onto the threaded rod (903).

8. An external sewing device for sofa production according to claim 7, characterized in that, The top of the push plate (4) is provided with a rotating groove, and the bottom end of the threaded rod (903) is rotatably installed in the rotating groove.

9. An external sewing device for sofa production according to claim 1, characterized in that, A reset spring (402) is fixedly installed on the rear side of the push plate (4), and the rear end of the reset spring (402) is fixedly installed on the rear inner wall of the push groove (3).

10. An external sewing device for sofa production according to claim 4, characterized in that, Limiting grooves are provided on the inner walls of the front and rear sides of the adjustment groove (502), and limiting seats are fixedly installed on the front and rear sides of the support base (503), and the limiting seats are slidably connected to the corresponding limiting grooves.

Citation Information

Patent Citations

  • Sewing machine of upholstered armchair processing production usefulness

    CN208151611U