Functional sofa comprehensive testing machine

CN117074067BActive Publication Date: 2026-09-15DONGGUAN HUAHONG INSTR CO LTD
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Patent Information

Application Number
CN202311202986.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-09-18
Publication Date
2026-09-15
Estimated Expiration
2043-09-18

AI Technical Summary

Technical Problem

[0003]我们公司发现目前行业中用于专门用于测试成品手动伸展功能性沙发的仪器极少,对沙发的测试主要集中在座面、背面、扶手等方面,对拉扣、沙发铁架的测试较少,为此,本申请提出功能沙发综合试验机,为手动伸展功能性沙发测试,提供新的技术方案

Benefits of technology

本发明提供的功能沙发综合试验机,通过多结构的配合设计,实现了成品手动伸展功能性沙发的耐久性检测,也可以对固定沙发进行座面、背面的综合耐久性测试;本申请分为四个测试部分,包括座面测试、背面测试、腿托测试、拉扣测试。这四个测试综合在一起,模拟人体坐下,拉开拉扣,功能沙发伸展开,收回腿托,沙发回位,人体站立这样一个循环进行测试;本申请的四个测试部分,也可以选择其中的座面测试、背面测试两部分对固定的沙发进行座面背面的综合测试;本申请腿托测试部隐藏在机体部底端的内部,很好的利用了空间,也不影响测试试样的安装和后续的维修保养。

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Abstract

This invention discloses a comprehensive testing machine for functional sofas, comprising: a body section, on which are respectively provided a button-pulling testing section, a seat testing section, a backrest testing section, and a leg support testing section; the body section includes a base frame section, with uprights fixed to both sides of the upper end of the base frame section, a top beam fixed to the top of the two uprights, and a crossbeam lifting section between the two uprights, the crossbeam lifting section being able to slide vertically, and an electrical box fixed to the upper end of the crossbeam lifting section. The comprehensive testing machine for functional sofas provided by this invention, through the coordinated design of multiple structures, realizes the durability testing of finished manually extendable functional sofas, and can also perform comprehensive durability testing of the seat and backrest of fixed sofas; this application is divided into four testing parts, including seat testing, backrest testing, leg support testing, and button-pulling testing. These four tests are combined to simulate a human sitting down, pulling open the buttons, the functional sofa extending, retracting the leg support, the sofa returning to its original position, and the human standing up in a cycle of testing.
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Description

Technical Field

[0001] This invention relates to the field of testing technology, and in particular to a comprehensive testing machine for functional sofas. Background Technology

[0002] Functional sofas refer to sofas with multiple functions. The most common functional sofas are divided into two types: one is a manually extendable sofa, which can also be equipped with rocking and swivel functions; the other is an electrically extendable sofa, which can also have rocking and swivel functions. Using a built-in lithium battery can solve the problem of the power cord being pulled when the alloy frame is rocking or swiveling.

[0003] Our company has found that there are very few instruments in the industry specifically designed for testing finished manually extendable functional sofas. Sofa testing mainly focuses on the seat, back, and armrests, with less testing of the buttons and the sofa frame. Therefore, this application proposes a comprehensive testing machine for functional sofas, providing a new technical solution for testing manually extendable functional sofas. Summary of the Invention

[0004] Based on this, it is necessary to provide a comprehensive testing machine for functional sofas to address the aforementioned technical problems. Through the coordinated design of multiple structures, it enables durability testing of manually extendable functional sofas and can also perform comprehensive durability testing on the seat and back of fixed sofas. This application consists of four testing parts: seat test, back test, leg support test, and buckle test. These four tests are combined to simulate a cycle of a person sitting down, pulling the buckle, extending the functional sofa, retracting the leg support, returning the sofa to its original position, and standing up. Alternatively, the seat test and back test can be selected from the four testing parts to perform comprehensive testing on the seat and back of a fixed sofa. The leg support test section is hidden inside the bottom of the machine body, making good use of space and not affecting the installation of the test specimen or subsequent maintenance.

[0005] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: The functional sofa comprehensive testing machine is used for testing functional sofas.

[0006] The functional sofa comprehensive testing machine specifically includes: a body section, on which a button testing section, a seat testing section, a back testing section, and a leg support testing section are respectively provided; The body includes a base frame, with uprights fixed to both sides of the upper end of the base frame. A top beam is fixed to the top of the two uprights. A crossbeam lifting part is provided between the two uprights. The crossbeam lifting part can slide vertically. An electrical box is fixed to the upper end of the crossbeam lifting part. Fixing clamps are fixed to the outer sides of the two uprights. The two fixing clamps are arranged opposite to each other. Footings are provided at the four corners of the lower end of the base frame. The buckle test section is located inside one of the column sections, and the position of the buckle test section can be adjusted along the height direction of the column section. The seat testing section is mounted on the crossbeam lifting section, and the seat testing section can be raised and lowered as a whole with the crossbeam lifting section to adjust the testing height. The back test section is mounted on the seat test section, and the back test section can move with the crossbeam lifting section; The leg support test section is located inside the base frame.

[0007] As a preferred embodiment of the functional sofa comprehensive testing machine provided by the present invention, the crossbeam lifting part includes a lifting crossbeam, and each of the column parts is provided with a lifting slider. The ends of the lifting crossbeam are respectively fixedly connected to the lifting sliders inside the two column parts through crossbeam connecting plates. The upper and lower ends of the column parts are respectively fixed with a column top plate and a column base. A column guide rod and a column screw rod are respectively provided between the column top plate and the column base. The lifting slider is slidably connected to the column guide rod and threadedly connected to the column screw rod. A sprocket is fixed at the top of the column screw rod and above the column top plate, and the sprocket is fixedly connected to the column screw rod. A motor plate is fixed inside the top beam part, and a motor body is fixed at the lower end of the motor plate. A sprocket is fixed at the output end of the motor body and above the motor plate. The sprockets 1 inside the two column parts and the sprocket 2 inside the top beam part are connected by a chain.

[0008] As a preferred embodiment of the functional sofa comprehensive testing machine provided by the present invention, the button testing unit includes a button cylinder seat, which is detachably fixed to the column. The button cylinder seat can be adjusted in position along the height direction of the column. A button cylinder body is fixed to one side of the button cylinder seat. A hanging ring seat is fixed to the output end of the button cylinder body and on the other side of the button cylinder seat. A hanging ring body is fixed to the end of the hanging ring seat away from the button cylinder body. A soft rope is fixed to the hanging ring body. The end of the soft rope away from the hanging ring body is connected to the button on the functional sofa through a button clamp.

[0009] As a preferred embodiment of the functional sofa comprehensive testing machine provided by the present invention, the seat surface testing unit includes a seat surface cylinder top plate, which is fixedly connected to the crossbeam lifting unit. A seat surface cylinder fixing plate is provided below the seat surface cylinder top plate. A seat surface cylinder body and a reinforcing rod are respectively fixed between the seat surface cylinder top plate and the seat surface cylinder fixing plate. A seat surface cylinder connecting plate is fixed at the output end of the seat surface cylinder body and below the seat surface cylinder fixing plate. The output end of the seat surface cylinder body is fixedly connected to the seat surface cylinder connecting plate through a buffer pad. A force value sensor is fixed at the lower end of the seat surface cylinder connecting plate. A slide rail seat is fixed at the lower end of the force value sensor. A linear slide rail assembly is slidably arranged below the slide rail seat. The lower end of the linear slide rail assembly is fixedly connected to the seat surface model through a CD seat.

[0010] In a preferred embodiment of the functional sofa comprehensive testing machine provided by the present invention, the back testing section includes an angle adjustment plate, which is fixedly connected to a seat cylinder fixing plate. A backrest cylinder body is disposed on the upper inner side of the angle adjustment plate. The backrest cylinder body is rotatably connected to the angle adjustment plate via a rotating shaft. An adjustable handle is also disposed on the side of the angle adjustment plate for limiting the rotation of the backrest cylinder body. A backrest cylinder fixing plate is fixed to one end of the backrest cylinder body near the telescopic end. The telescopic end of the backrest cylinder body is located away from the backrest cylinder body. A backrest cylinder guide plate is fixedly mounted. A linear bearing is fixedly mounted on the outer side of the backrest cylinder mounting plate. A backrest cylinder guide rod is slidably connected inside the linear bearing. One end of the backrest cylinder guide rod passes through the backrest cylinder mounting plate and is fixedly connected to the backrest cylinder guide plate. The backrest cylinder guide rod is slidably connected to the backrest cylinder mounting plate. A force sensor is fixedly mounted on the side of the backrest cylinder guide plate away from the backrest cylinder body. The end of the force sensor away from the backrest cylinder guide plate is fixedly connected to the backrest model through a CD holder. A step line mounting plate is fixed to the other end of the backrest cylinder body.

[0011] As a preferred embodiment of the functional sofa comprehensive testing machine provided by the present invention, the leg support testing unit includes a leg support cylinder front plate, a leg support cylinder rear plate is provided on one side of the leg support cylinder front plate, the leg support cylinder front plate and the leg support cylinder rear plate are fixed inside the base frame, a leg support cylinder body is fixed between the leg support cylinder front plate and the leg support cylinder rear plate, a leg support cylinder guide plate is fixed at the telescopic end of the leg support cylinder body, a webbing fixing seat is fixed on the side of the leg support cylinder guide plate away from the leg support cylinder body, a steering seat one and a steering seat two are also fixed inside the base frame and at the front end, the steering seat two is located at the end close to the webbing fixing seat, a webbing body is fixed on the webbing fixing seat, and the webbing body passes around the outside of the steering seat one and the steering seat two in sequence and is fixed to the sofa leg support through the webbing fixing plate.

[0012] As a preferred embodiment of the functional sofa comprehensive testing machine provided by the present invention, a leg support cylinder guide rod is arranged parallel to the side of the leg support cylinder body, a linear bearing II is fixed to the end of the front plate of the leg support cylinder near the leg support cylinder body, the leg support cylinder guide rod is slidably connected to the front plate of the leg support cylinder through the linear bearing II, and one end of the leg support cylinder guide rod is fixedly connected to the leg support cylinder guide plate.

[0013] As a preferred embodiment of the functional sofa comprehensive testing machine provided by the present invention, protective plates are fixed to the outer sides of the base frame, the uprights, and the top beam.

[0014] Compared with the prior art, the present invention has the following beneficial effects: This invention provides a comprehensive testing machine for functional sofas. Through a multi-structure design, it enables durability testing of manually extendable functional sofas and can also perform comprehensive durability testing on the seat and back of fixed sofas. The machine comprises four testing sections: seat test, back test, leg support test, and buckle test. These four tests are combined to simulate a cycle of a person sitting down, pulling the buckle to extend the sofa, retracting the leg support, and the sofa returning to its original position, followed by the person standing up. Alternatively, only the seat and back tests can be selected to perform comprehensive testing on the seat and back of a fixed sofa. The leg support test section is concealed within the bottom of the machine body, making good use of space and not affecting the installation of test samples or subsequent maintenance. Attached Figure Description

[0015] To more clearly illustrate the solutions in this invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of this invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0016] Figure 1 This invention provides a schematic diagram of the overall structure of a functional sofa integrated testing machine with a sofa. Figure 2 This is a schematic diagram of the overall structure of the functional sofa comprehensive testing machine provided by the present invention; Figure 3 This is a front view of the overall structure of the functional sofa integrated testing machine provided by the present invention; Figure 4 This is a schematic diagram of the structure of the body of the functional sofa comprehensive testing machine provided by the present invention; Figure 5 This is a schematic diagram of the internal structure of the functional sofa comprehensive testing machine provided by the present invention; Figure 6 This is a schematic diagram of the structure of the button testing section of the functional sofa comprehensive testing machine provided by the present invention; Figure 7 This is a schematic diagram of the structure of the seat surface testing section of the functional sofa comprehensive testing machine provided by the present invention; Figure 8 This is a schematic diagram of the structure of the back testing section of the functional sofa comprehensive testing machine provided by the present invention; Figure 9 This is a schematic diagram of the leg support test section of the functional sofa comprehensive testing machine provided by the present invention.

[0017] The markings in the diagram are explained as follows: 1. Body section; 2. Buckle test section; 3. Seat test section; 4. Backrest test section; 5. Leg rest test section; 6. Base frame section; 7. Upright column section; 8. Protective plate; 9. Top beam section; 10. Crossbeam lifting section; 11. Electrical box; 12. Fixing clamp; 13. Foot; 14. Lifting crossbeam; 15. Crossbeam connecting plate; 16. Lifting slider; 17. Upright column guide rod; 18. Upright column lead screw; 19. 20. Column base; 21. Column top plate; 22. Sprocket 1; 23. Motor plate; 24. Motor body; 25. Sprocket 2; 26. Chain; 27. Pull-out cylinder seat; 28. Pull-out cylinder body; 29. ​​Lifting eye seat; 30. Lifting eye body; 31. Soft rope; 32. Pull-out clamp; 33. Seat cylinder top plate; 34. Seat cylinder fixing plate; 35. Seat cylinder body; 36. Reinforcing rod; 6. Seat cylinder connecting plate; 37. Buffer pad; 38. Force sensor one; 39. Slide rail seat; 40. Linear slide rail assembly; 41. CD holder one; 42. Seat model; 43. Angle adjustment plate; 44. Backrest cylinder body; 45. Rotating shaft; 46. Adjustable handle; 47. Backrest cylinder fixing plate; 48. Backrest cylinder guide plate; 49. Linear bearing one; 50. Backrest cylinder guide rod; 51. Force sensor two; 52. CD holder two; 53. Backrest model; 54. Step line mounting plate; 55. Leg support cylinder front plate; 56. Leg support cylinder rear plate; 57. Leg support cylinder body; 58. Leg support cylinder guide plate; 59. Webbing fixing seat; 60. Steering seat one; 61. Steering seat two; 62. Webbing fixing plate; 63. Linear bearing two; 64. Leg support cylinder guide rod; 65. Webbing body. Detailed Implementation

[0018] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the scope of protection of the present invention.

[0019] As described in the background section, there are currently very few instruments in the industry specifically designed for testing finished manually extendable functional sofas. Sofa testing mainly focuses on the seat, backrest, and armrests, with less testing of the buttons and the sofa frame.

[0020] To address this technical problem, the present invention provides a comprehensive testing machine for functional sofas, which is used for testing functional sofas.

[0021] For details, please refer to Figures 1-4 The functional sofa comprehensive testing machine specifically includes: a body part 1, on which a button testing part 2, a seat testing part 3, a back testing part 4, and a leg support testing part 5 are respectively provided; The body part 1 includes a base frame part 6. The upper two sides of the base frame part 6 are fixed with column parts 7. The top of the two column parts 7 is fixed with a top beam part 9. A crossbeam lifting part 10 is provided between the two column parts 7. The crossbeam lifting part 10 can slide vertically. An electrical box 11 is fixed at the upper end of the crossbeam lifting part 10. Fixing clamps 12 are fixed on the outer side of the two column parts 7. The two fixing clamps 12 are arranged opposite to each other. Foot 13 is provided at the four corners of the lower end of the base frame part 6. The buckle test section 2 is located inside one of the column sections 7, and the position of the buckle test section 2 can be adjusted along the height direction of the column section 7. The seat testing section 3 is mounted on the crossbeam lifting section 10. The seat testing section 3 can be raised and lowered as a whole with the crossbeam lifting section 10 to adjust the testing height. The back test section 4 is mounted on the seat test section 3, and the back test section 4 can move with the crossbeam lifting section 10. The leg support test section 5 is located inside the base frame section 6.

[0022] The functional sofa comprehensive testing machine provided by this invention, through the coordinated design of multiple structures, realizes the durability testing of finished manually extendable functional sofas, and can also perform comprehensive durability testing of the seat and back of fixed sofas. This application is divided into four testing parts, including seat test, back test, leg support test, and buckle test. These four tests are combined to simulate a human sitting down, pulling the buckle, the functional sofa extending, retracting the leg support, the sofa returning to its original position, and the human standing up in a cycle of testing. Of the four testing parts of this application, the seat test and back test can also be selected to perform comprehensive testing of the seat and back of a fixed sofa. The leg support test part 5 of this application is hidden inside the bottom of the machine body 1, making good use of space and not affecting the installation of the test specimen and subsequent maintenance.

[0023] To enable those skilled in the art to better understand the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Example

[0024] Please refer to Figures 1-5 A comprehensive testing machine for functional sofas includes: a body part 1, on which a button testing part 2, a seat testing part 3, a back testing part 4, and a leg support testing part 5 are respectively provided; The body part 1 includes a base frame part 6. The upper two sides of the base frame part 6 are fixed with column parts 7. The top of the two column parts 7 is fixed with a top beam part 9. The outer sides of the base frame part 6, column parts 7 and top beam part 9 are all fixed with protective plates 8. A crossbeam lifting part 10 is provided between the two column parts 7. The crossbeam lifting part 10 can slide vertically. An electrical box 11 is fixed at the upper end of the crossbeam lifting part 10. Fixing clamps 12 are fixed on the outer sides of the two column parts 7. The two fixing clamps 12 are arranged opposite to each other. Foot 13 is provided at the four corners of the lower end of the base frame part 6. The buckle test section 2 is located inside one of the upright sections 7. The position of the buckle test section 2 can be adjusted along the height direction of the upright section 7. The buckle test section 2 is connected to the buckle of the test sofa for buckle testing. After the buckle test section 2 is locked to the buckle of the test sofa, the initial angle is similar to a parallelogram, so the buckle is not easily damaged when the buckle is pulled.

[0025] The seat testing section 3 is installed on the crossbeam lifting section 10. The seat testing section 3 can be raised and lowered as a whole with the crossbeam lifting section 10 to adjust the testing height. The seat testing section 3 can be used to test the seat surface of the test sofa. The back test section 4 is set on the seat test section 3. The back test section 4 can move with the crossbeam lifting section 10. The back of the test sofa can be tested through the back test section 4. The leg support test section 5 is located inside the base frame section 6. The test sofa legs can be tested through the leg support test section 5. The leg support test section 5 is hidden inside the base frame section 6 of the body section 1, which makes good use of space and does not affect the installation of the test sample or subsequent maintenance.

[0026] Specifically, the beam lifting section 10 includes a lifting beam 14, and each column section 7 has a lifting slider 16 inside. The ends of the lifting beam 14 are fixedly connected to the lifting sliders 16 inside the two column sections 7 via beam connecting plates 15. The upper and lower ends of the column section 7 are also fixed with a column top plate 20 and a column base 19, respectively. A column guide rod 17 and a column lead screw 18 are respectively provided between the column top plate 20 and the column base 19. The lifting slider 16 is slidably connected to the column lead screw 18. The column guide rod 17 is threaded. A sprocket 21 is fixed at the top of the column screw rod 18 and above the column top plate 20. The sprocket 21 is fixedly connected to the column screw rod 18. A motor plate 22 is fixed inside the top beam 9. A motor body 23 is fixed at the lower end of the motor plate 22. A sprocket 24 is fixed at the output end of the motor body 23 and above the motor plate 22. The sprockets 21 inside the two column parts 7 and the sprocket 24 inside the top beam 9 are connected by a chain 25.

[0027] It can be seen that by starting the motor body 23, the sprocket 24 can be driven to rotate. Through the connection of the chain 25, the sprocket 21 in the two column parts 7 can rotate, thereby driving the column screw 18 to rotate. Through the threaded connection between the lifting slider 16 and the column screw 18, when the column screw 18 rotates, the lifting slider 16 can drive the lifting beam 14 to move along the axis of the column guide rod 17 through the crossbeam connecting plate 15, thereby realizing the height adjustment of the crossbeam lifting part 10. By adjusting the height position of the crossbeam lifting part 10, the test position of the seat test part 3 and the back test part 4 can be adjusted. Example

[0028] The functional sofa comprehensive testing machine provided in Example 1 has been further optimized, specifically, as follows: Figure 6 As shown, the pull button testing unit 2 includes a pull button cylinder seat 26, which is detachably fixed to the column part 7. The position of the pull button cylinder seat 26 can be adjusted along the height direction of the column part 7. A pull button cylinder body 27 is fixed to one side of the pull button cylinder seat 26. A hanging ring seat 28 is fixed to the output end of the pull button cylinder body 27 and the other side of the pull button cylinder seat 26. A hanging ring body 29 is fixed to the end of the hanging ring seat 28 away from the pull button cylinder body 27. A soft rope 30 is fixed to the hanging ring body 29. The end of the soft rope 30 away from the hanging ring body 29 is connected to the pull button on the functional sofa through the pull button clamp 31.

[0029] Through the above structural design, the main body 27 of the pull-button cylinder can be fixed to the column part 7 via the pull-button cylinder seat 26, and the fixed height position of the pull-button cylinder seat 26 can be adjusted according to the needs. By activating the pull-button cylinder main body 27, the hanging ring seat 28, the hanging ring main body 29, the soft rope 30 and the pull-button clamp 31 can be dragged in the direction of the pull-button cylinder main body 27, thereby achieving the effect of pulling and testing the sofa pull-button. The reciprocating motion of the hanging ring seat 28, the hanging ring main body 29, the pull-button clamp 31 and the pull-button clamp 31 is driven by the sprocket 24, thereby realizing the pull-button test. Example

[0030] The functional sofa comprehensive testing machine provided in Example 1 has been further optimized, specifically, as follows: Figures 7-8 As shown, the seat test unit 3 includes a seat cylinder top plate 32, which is fixedly connected to the crossbeam lifting unit 10. A seat cylinder fixing plate 33 is provided below the seat cylinder top plate 32. A seat cylinder body 34 and a reinforcing rod 35 are fixed between the seat cylinder top plate 32 and the seat cylinder fixing plate 33, respectively. A seat cylinder connecting plate 36 is fixed at the output end of the seat cylinder body 34 and below the seat cylinder fixing plate 33. The output end of the seat cylinder body 34 is fixedly connected to the seat cylinder connecting plate 36 through a buffer pad 37. A force value sensor 38 is fixed at the lower end of the seat cylinder connecting plate 36. A slide rail seat 39 is fixed at the lower end of the force value sensor 38. A linear slide rail assembly 40 is slidably arranged below the slide rail seat 39. The lower end of the linear slide rail assembly 40 is fixedly connected to the seat model 42 through a CD seat 41.

[0031] Through the above structural design, the position of the seat test section 3 can be adjusted by adjusting the lifting part 10 of the crossbeam according to the needs. After the seat test section 3 is adjusted to a suitable position, the seat cylinder body 34 is activated to push the seat cylinder connecting plate 36 to apply pressure to the seat surface of the test sofa by driving the power value sensor 38 and the seat model 42 below it. The slide rail seat 39 and the linear slide rail group 40 can reduce the influence of the horizontal force generated by the seat surface of the test sofa on the test force value, and avoid damage to the mechanism after long-term testing.

[0032] Specifically, the back testing section 4 includes an angle adjustment plate 43, which is fixedly connected to the seat cylinder fixing plate 33. A backrest cylinder body 44 is provided on the upper inner side of the angle adjustment plate 43. The backrest cylinder body 44 is rotatably connected to the angle adjustment plate 43 via a rotating shaft 45. An adjustable handle 46 is also provided on the side of the angle adjustment plate 43 for limiting the rotation of the backrest cylinder body 44. A backrest cylinder fixing plate 47 is fixed at one end of the backrest cylinder body 44 near the telescopic end. A backrest cylinder guide plate 48 is fixed at the telescopic end of the backrest cylinder body 44 away from the backrest cylinder body 44. A linear bearing 49 is fixed to the outside of the cylinder fixing plate 47. A backrest cylinder guide rod 50 is slidably connected inside the linear bearing 49. One end of the backrest cylinder guide rod 50 passes through the backrest cylinder fixing plate 47 and is fixedly connected to the backrest cylinder guide plate 48. The backrest cylinder guide rod 50 is slidably connected to the backrest cylinder fixing plate 47. A force value sensor 51 is fixed to the side of the backrest cylinder guide plate 48 away from the backrest cylinder body 44. The end of the force value sensor 51 away from the backrest cylinder guide plate 48 is fixedly connected to the backrest model 53 through the CD seat 52. A step line mounting plate 54 is fixed to the other end of the backrest cylinder body 44.

[0033] Through the above structural design, the position of the seat test section 3 can be adjusted by adjusting the lifting part 10 of the crossbeam according to the needs. By fixing the angle adjustment plate 43 to the seat cylinder fixing plate 33, the position of the back test section 4 can be adjusted synchronously. The angle of the back cylinder body 44 can be adjusted and limited by the rotating shaft 45 and the adjustable handle 46. After the back test section 4 is adjusted to a suitable position, the back cylinder body 44 is activated to push the back cylinder guide plate 48 to apply pressure to the back of the test sofa by driving the second power value sensor 51 and the back model 53 below it. The back cylinder guide plate 48 can be guided and limited by the linear bearing 49 and the back cylinder guide rod 50 to improve the stability of the back test section 4 during operation. Example

[0034] The functional sofa comprehensive testing machine provided in Example 1 has been further optimized, specifically, as follows: Figure 9As shown, the leg support test section 5 includes a leg support cylinder front plate 55, a leg support cylinder rear plate 56 is provided on one side of the leg support cylinder front plate 55, the leg support cylinder front plate 55 and the leg support cylinder rear plate 56 are fixed inside the base frame section 6, a leg support cylinder body 57 is fixed between the leg support cylinder front plate 55 and the leg support cylinder rear plate 56, a leg support cylinder guide plate 58 is fixed at the telescopic end of the leg support cylinder body 57, a webbing fixing seat 59 is fixed on the side of the leg support cylinder guide plate 58 away from the leg support cylinder body 57, a first steering seat 60 and a second steering seat 61 are also fixed inside the base frame section 6 at the front end, the second steering seat 61 is located at the end close to the webbing fixing seat 59, a webbing body 65 is fixed on the webbing fixing seat 59, the webbing body 65 passes around the outside of the first steering seat 60 and the second steering seat 61 in sequence and is fixed to the sofa leg support by the webbing fixing plate 62.

[0035] Furthermore, a leg support cylinder guide rod 64 is arranged parallel to the side of the leg support cylinder body 57, and a linear bearing 63 is fixed to the end of the leg support cylinder front plate 55 near the leg support cylinder body 57. The leg support cylinder guide rod 64 is slidably connected to the leg support cylinder front plate 55 through the linear bearing 63, and one end of the leg support cylinder guide rod 64 is fixedly connected to the leg support cylinder guide plate 58.

[0036] Through the above structural design, the leg support cylinder body 57 can be activated to drive the leg support cylinder guide plate 58 to move, thereby driving the webbing body 65 to move synchronously through the webbing fixing seat 59. This allows the end of the webbing body 65 away from the webbing fixing seat 59 to apply pressure to the leg support part of the test sofa through the webbing fixing plate 62, thus realizing the testing of the test sofa legs.

Claims

1. A comprehensive testing machine for functional sofas, characterized in that, include: The body part (1) is provided with a buckle test part (2), a seat test part (3), a back test part (4), and a leg support test part (5). The body part (1) includes a base frame part (6), and two columns (7) are fixed on both sides of the upper end of the base frame part (6). A top beam part (9) is fixed on the top of the two columns (7). A crossbeam lifting part (10) is provided between the two columns (7). The crossbeam lifting part (10) can slide vertically. An electrical box (11) is fixed on the upper end of the crossbeam lifting part (10). Fixing clamps (12) are fixed on the outer side of the two columns (7). The two fixing clamps (12) are arranged opposite to each other. Foot (13) is provided at the four corners of the lower end of the base frame part (6). The buckle test section (2) is located inside one of the column sections (7), and the position of the buckle test section (2) can be adjusted along the height direction of the column section (7); The seat test section (3) is set on the crossbeam lifting section (10). The seat test section (3) can be raised and lowered as a whole with the crossbeam lifting section (10) to adjust the test height. The back test section (4) is set on the seat test section (3), and the back test section (4) can move with the crossbeam lifting section (10); The leg support test section (5) is located inside the base frame section (6); The pull button testing unit (2) includes a pull button cylinder seat (26), which is detachably fixed to the column part (7). The pull button cylinder seat (26) can be adjusted in position along the height direction of the column part (7). A pull button cylinder body (27) is fixed on one side of the pull button cylinder seat (26). A hanging ring seat (28) is fixed at the output end of the pull button cylinder body (27) and on the other side of the pull button cylinder seat (26). A hanging ring body (29) is fixed at the end of the hanging ring seat (28) away from the pull button cylinder body (27). A soft rope (30) is fixed on the hanging ring body (29). The end of the soft rope (30) away from the hanging ring body (29) is connected to the pull button on the functional sofa through a pull button clamp (31).

2. The functional sofa comprehensive testing machine according to claim 1, characterized in that, The lifting section (10) of the crossbeam includes a lifting crossbeam (14). Each column section (7) is equipped with a lifting slider (16). The ends of the lifting crossbeam (14) are fixedly connected to the lifting sliders (16) inside the two column sections (7) via a crossbeam connecting plate (15). The upper and lower ends of the column section (7) are also fixed with a column top plate (20) and a column base (19). A column guide rod (17) and a column screw rod (18) are respectively provided between the column top plate (20) and the column base (19). The lifting slider (16) is slidably connected to the column guide rod (17). The lifting slider (16) is connected to the column base (19). The column screw (18) is threaded. A sprocket (21) is fixed at the top of the column screw (18) and above the column top plate (20). The sprocket (21) is fixedly connected to the column screw (18). A motor plate (22) is fixed inside the top beam (9). A motor body (23) is fixed at the lower end of the motor plate (22). A sprocket (24) is fixed at the output end of the motor body (23) and above the motor plate (22). The sprockets (21) inside the two columns (7) and the sprockets (24) inside the top beam (9) are connected by a chain (25).

3. The functional sofa comprehensive testing machine according to claim 1, characterized in that, The seat testing unit (3) includes a seat cylinder top plate (32), which is fixedly connected to the crossbeam lifting unit (10). A seat cylinder fixing plate (33) is provided below the seat cylinder top plate (32). A seat cylinder body (34) and a reinforcing rod (35) are respectively fixed between the seat cylinder top plate (32) and the seat cylinder fixing plate (33). A seat cylinder is fixed at the output end of the seat cylinder body (34) and below the seat cylinder fixing plate (33). The cylinder connecting plate (36) is fixedly connected to the seat cylinder connecting plate (36) via a buffer pad (37) at the output end of the seat cylinder body (34). A force value sensor (38) is fixed at the lower end of the seat cylinder connecting plate (36). A slide rail seat (39) is fixed at the lower end of the force value sensor (38). A linear slide rail assembly (40) is slidably arranged below the slide rail seat (39). The lower end of the linear slide rail assembly (40) is fixedly connected to the seat model (42) via a CD seat (41).

4. The functional sofa comprehensive testing machine according to claim 3, characterized in that, The back test section (4) includes an angle adjustment plate (43), which is fixedly connected to the seat cylinder fixing plate (33). A backrest cylinder body (44) is provided on the upper inner side of the angle adjustment plate (43). The backrest cylinder body (44) is rotatably connected to the angle adjustment plate (43) through a rotating shaft (45). An adjustable handle (46) is also provided on the side of the angle adjustment plate (43) for limiting the rotation of the backrest cylinder body (44). A backrest cylinder fixing plate (47) is fixed at one end of the backrest cylinder body (44) and near the telescopic end. A backrest cylinder guide plate (48) is fixed at the telescopic end of the backrest cylinder body (44) and away from the backrest cylinder body (44). A linear bearing (49) is fixed on the outside of the cylinder fixing plate (47). A backrest cylinder guide rod (50) is slidably connected inside the linear bearing (49). One end of the backrest cylinder guide rod (50) passes through the backrest cylinder fixing plate (47) and is fixedly connected to the backrest cylinder guide plate (48). The backrest cylinder guide rod (50) is slidably connected to the backrest cylinder fixing plate (47). A force value sensor (51) is fixed on the side of the backrest cylinder guide plate (48) away from the backrest cylinder body (44). The end of the force value sensor (51) away from the backrest cylinder guide plate (48) is fixedly connected to the backrest model (53) through the CD seat (52). A step line mounting plate (54) is fixed on the other end of the backrest cylinder body (44).

5. The functional sofa comprehensive testing machine according to claim 1, characterized in that, The leg support testing unit (5) includes a leg support cylinder front plate (55), and a leg support cylinder rear plate (56) is provided on one side of the leg support cylinder front plate (55). The leg support cylinder front plate (55) and the leg support cylinder rear plate (56) are fixed inside the base frame (6). A leg support cylinder body (57) is fixed between the leg support cylinder front plate (55) and the leg support cylinder rear plate (56). A leg support cylinder guide plate (58) is fixed to the telescopic end of the leg support cylinder body (57). The leg support cylinder guide plate (58) is located away from the front plate (55) and the rear plate (56). A webbing fixing seat (59) is fixed on one side of the leg support cylinder body (57). Inside the base frame (6) and at the front end, a first steering seat (60) and a second steering seat (61) are also fixed respectively. The second steering seat (61) is located at one end close to the webbing fixing seat (59). A webbing body (65) is fixed on the webbing fixing seat (59). The webbing body (65) passes around the outside of the first steering seat (60) and the second steering seat (61) in sequence and is fixed to the sofa leg support by the webbing fixing plate (62).

6. The functional sofa comprehensive testing machine according to claim 5, characterized in that, The leg support cylinder body (57) has a leg support cylinder guide rod (64) arranged parallel to its side. The end of the leg support cylinder front plate (55) near the leg support cylinder body (57) is fixed with a linear bearing (63). The leg support cylinder guide rod (64) is slidably connected to the leg support cylinder front plate (55) through the linear bearing (63). One end of the leg support cylinder guide rod (64) is fixedly connected to the leg support cylinder guide plate (58).

7. The functional sofa comprehensive testing machine according to claim 1, characterized in that, Protective plates (8) are fixed to the outer sides of the base frame (6), column (7), and top beam (9).

Citation Information

Patent Citations

  • Furniture impact testing machine

    CN110208118A

  • Sofa comprehensive testing machine

    CN212180285U