Swivel chair rotation durability testing device

Abstract

The utility model discloses a rotating durability testing device for a swivel chair. The rotating durability testing device comprises a testing base, a testing frame, a rotating driving part and a lifting adjusting part, the test frame is fixedly mounted on the test base, and the test frame is perpendicular to the test base; the rotation driving part is mounted on the testing frame and is used for driving a swivel chair to be tested to rotate; and the lifting adjusting piece is mounted on the testing frame, and is used for adjusting the driving distance of the rotary driving piece and driving the rotary driving piece to abut against the swivel chair to be tested. According to the utility model, through the cooperation of the rotation driving member and the lifting adjusting member, the driving distance of the rotation driving member can be adjusted, rotation driving can be carried out on the swivel chairs with different heights, rotation durability tests of the swivel chairs with different specifications and sizes can be completed, and the test device has the characteristics of wide test range and convenient test.

Description

TECHNICAL FIELD

[0001] The utility model relates to rotating test device field, in particular to a swivel chair rotation durability test device. BACKGROUND

[0002] Swivel chair rotation durability test refers to the process of evaluating the rotation durability of swivel chairs through specific test equipment and standards. The main purpose of the test is to ensure that the swivel chair can withstand long-term use and wear during use, maintaining its functionality and appearance stability.

[0003] Currently, during the swivel chair rotation durability test, due to the inconsistent height of the swivel chair, the existing test device cannot meet the test requirements, and there are certain defects. UTILITY MODEL CONTENT

[0004] The utility model aims to provide a swivel chair rotation durability test device to realize rotation durability test on swivel chairs of different heights and improve test efficiency.

[0005] To solve the above technical problems, the utility model provides a swivel chair rotation durability test device, which comprises a test base, a test frame, a rotation driving part, and a lifting adjusting part.

[0006] The test frame is fixedly installed on the test base, and the test frame and the test base are vertically arranged.

[0007] The rotation driving part is installed on the test frame, and the rotation driving part is used to drive the swivel chair to be tested to rotate.

[0008] The lifting adjusting part is installed on the test frame, and the lifting adjusting part is used to adjust the driving distance of the rotation driving part and drive the rotation driving part and the swivel chair to be tested to abut.

[0009] Further, a plurality of jack plugs are arranged on the test base, and a positioning frame is inserted in the jack plug, and the positioning frame is arranged in the shape of a V.

[0010] Further, the rotation driving part comprises a driving motor, a telescopic driving rod, and a transmission plate.

[0011] The driving motor is fixedly installed on the test frame, and the driving motor is in transmission connection with the telescopic driving rod.

[0012] The telescopic driving rod is in transmission connection with the lifting adjusting part, and the telescopic driving rod adjusts the driving distance through the lifting adjusting part.

[0013] The transmission plate is fixedly installed on one end of the telescopic driving rod away from the driving motor.

[0014] Further, the driving motor adopts a servo motor.

[0015] Further, the telescopic driving rod comprises an inner tube and an outer tube.

[0016] The outer end of the outer tube is in transmission connection with the driving motor, and a transmission protrusion is arranged on the inner wall of the outer tube along the length direction thereof.

[0017] The outer end of the inner tube is fixedly connected with the transmission plate, a transmission groove matched with the transmission protrusion is arranged on the outer side wall of the inner tube, and the transmission protrusion is in sliding contact with the transmission groove.

[0018] Further, the lifting adjusting member comprises an adjusting screw rod and a lifting driving block.

[0019] The adjusting screw rod is rotatably installed on the adjusting frame.

[0020] The lifting driving block is rotatably connected with the outer side wall of the inner tube, and the lifting driving block is threadedly connected with the adjusting screw rod.

[0021] Further, one end of the adjusting screw rod close to the adjusting frame is connected with an adjusting handle through a worm and gear transmission.

[0022] Further, the worm and gear comprises a driving worm and a transmission worm wheel.

[0023] The driving worm is rotatably installed on the test frame, and the end of the driving worm is fixedly connected with the adjusting handle.

[0024] The transmission worm wheel is fixedly installed on the adjusting screw rod, and the transmission worm wheel is in meshing connection with the driving worm.

[0025] Compared with the prior art, the utility model has at least the following beneficial effects:

[0026] The utility model discloses a rotating driving piece and lifting adjusting member cooperate, can adjust the driving distance of rotating driving piece, and then can rotate the driving of different height swivel chair, thereby completes the rotating endurance test of different specifications size swivel chair, has the characteristics such as wide test range, test convenient. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is the whole structure schematic diagram of swivel chair rotating endurance test device of the utility model;

[0028] Figure 2 It is telescopic driving rod structure schematic diagram of swivel chair rotating endurance test device of the utility model. DETAILED DESCRIPTION

[0029] The swivel chair rotation durability testing device of the utility model will be described in more detail below in conjunction with the schematic diagram, wherein the preferred embodiment of the utility model is shown, and it should be understood that the utility model described herein can be modified by those skilled in the art while still achieving the advantageous effects of the utility model. Therefore, the following description should be understood as extensive knowledge for those skilled in the art, and not as a limitation on the utility model.

[0030] The utility model will be described in more detail below in conjunction with the schematic diagram. According to the following description, the advantages and features of the utility model will be more apparent. It should be noted that the drawings are all in a very simplified form and all use non-precise proportions, only to facilitate, clearly assist in the purpose of explaining the embodiment of the utility model.

[0031] As shown in Figure 1 and Figure 2 The utility model embodiment proposes a swivel chair rotation durability testing device, which comprises a test base 1, a test frame 2, a rotation driving part and a lifting adjusting part.

[0032] Specifically, the test frame 2 is fixedly installed on the test base 1, and the test frame 2 is vertically arranged with the test base 1.

[0033] The rotation driving part is installed on the test frame 2, and the rotation driving part is used to drive the rotation of the swivel chair to be tested.

[0034] The lifting adjusting part is installed on the test frame 2, and the lifting adjusting part is used to adjust the driving distance of the rotation driving part and drive the rotation driving part and the swivel chair to be tested to abut.

[0035] In this embodiment, when the rotation durability test of the swivel chair is needed, first, the swivel chair to be tested is placed on the test base 1. Then, the driving distance of the rotation driving part is adjusted by the lifting adjusting part, so that the driving end of the rotation driving part abuts with the chair surface of the swivel chair to be tested. Finally, the rotation driving part is opened, and the swivel chair to be tested rotates under the driving of the rotation driving part until the rotation function of the swivel chair to be tested is damaged. At this time, the rotation number of the swivel chair to be tested is recorded, which is the rotation durability test number of the swivel chair to be tested.

[0036] In a specific embodiment, a plurality of insertion holes 3 are arranged on the test base 1, and a positioning frame 4 is inserted in the insertion hole 3, and the positioning frame 4 is arranged in the shape of a U. In order to ensure the stability of the bottom of the swivel chair to be tested, after the swivel chair to be tested is placed on the test base 1, the positioning frame 4 is inserted into the insertion hole 3 through the supporting leg of the swivel chair to be tested.

[0037] Further, the rotation driving part comprises a driving motor 5, a telescopic driving rod 6 and a transmission plate 7.

[0038] Specifically, the driving motor 5 is fixedly installed on the test frame 2, and the driving motor 5 is in transmission connection with the telescopic driving rod 6.

[0039] The telescopic driving rod 6 is in transmission connection with the lifting adjusting part, and the telescopic driving rod 6 adjusts the driving distance through the lifting adjusting part.

[0040] The transmission plate 7 is fixedly installed on one end of the telescopic driving rod 6 away from the driving motor 5.

[0041] The telescopic driving rod 6 comprises an inner tube 11 and an outer tube 10, the outer end of the outer tube 10 is in transmission connection with the driving motor 5, the outer wall of the outer tube 10 is provided with a transmission protrusion 12 along the length direction thereof, the outer end of the inner tube 11 is fixedly connected with the transmission plate 7, the outer side wall of the inner tube 11 is provided with a transmission groove 13 matched with the transmission protrusion 12, and the transmission protrusion 12 is in sliding contact with the transmission groove 13.

[0042] In the embodiment, the telescopic driving rod 6 is telescopic under the adjustment of the lifting adjusting part, so that the transmission block can abut against the chair surface of the rotary chair to be tested. After the driving motor 5 is turned on, the telescopic driving rod 6 and the transmission block drive the chair surface to be tested to rotate, so as to realize the rotary endurance test of the rotary chair to be tested.

[0043] In an embodiment, the driving motor 5 adopts a stepping motor, which can realize the rotation circle number recording of the rotary chair to be tested in cooperation with a counter, and can directly obtain the rotary endurance test circle number of the rotary chair to be tested. The circle number recording belongs to the prior art, and the specific circuit structure and principle are not described herein.

[0044] It should be noted that the transmission plate 6 should be close to the rotation center axis of the rotary chair to be tested, so as to ensure the smooth test.

[0045] Further, the lifting adjusting part comprises an adjusting screw 8 and a lifting driving block 9.

[0046] Specifically, the adjusting screw 8 is rotationally installed on the adjusting frame.

[0047] The lifting driving block 9 is in rotational connection with the outer side wall of the inner tube 11, and the lifting driving block 9 is in screw connection with the adjusting screw 8.

[0048] The adjusting handle 16 is connected with the adjusting screw rod 8 through a worm gear transmission at one end of the adjusting frame.

[0049] In the embodiment, when the adjusting handle 16 is rotated, the adjusting screw rod 8 is rotated under the transmission of the worm gear, the lifting driving block 9 connected with the adjusting screw rod 8 cannot rotate with the adjusting screw rod 8 due to the limitation of the telescopic driving rod 6, and the lifting driving block 9 can only drive the inner tube 11 to move up and down along the length direction of the adjusting screw rod 8.

[0050] When the transmission plate 6 reaches the abutment with the seat surface of the rotary chair to be tested, the rotation of the adjusting handle 16 is stopped.

[0051] Compared with the prior art, the utility model has at least the following beneficial effects:

[0052] The utility model discloses a rotary driving part and lifting adjusting part cooperate, can adjust the driving distance of rotary driving part, and then can rotate the rotary chair of different height and drive, thereby completing the rotary endurance test of different specifications size rotary chair, has the characteristics such as test range is wide, test is convenient.

[0053] Obviously, those skilled in the art can make various modifications and variations to the utility model without departing from the spirit and scope of the utility model. Thus, if these modifications and variations of the utility model belong to the scope of the utility model claims and their equivalent technologies, the utility model also intends to include these modifications and variations.

Claims

1. A rotating chair durability testing device, characterized in that, Includes test base, test frame, rotary drive component, and lifting adjustment component; The test frame is fixedly installed on the test base, and the test frame is perpendicular to the test base; The rotary drive component is mounted on the test frame and is used to drive the test chair to rotate. The rotary drive component includes a drive motor, a telescopic drive rod, and a transmission plate; The drive motor is fixedly mounted on the test frame, and the drive motor is connected to the telescopic drive rod in a transmission manner; The telescopic drive rod is connected to the lifting adjustment component, and the driving distance of the telescopic drive rod is adjusted by the lifting adjustment component. The transmission plate is fixedly installed at the end of the telescopic drive rod away from the drive motor; The telescopic drive rod includes an inner tube and an outer tube; The outer end of the outer tube is connected to the drive motor for transmission, and a transmission protrusion is provided on the inner wall of the outer tube along its length direction; The outer end of the inner tube is fixedly connected to the transmission plate, and a transmission groove matching the transmission protrusion is provided on the outer side wall of the inner tube, and the transmission protrusion slides in contact with the transmission groove. The lifting adjustment component is installed on the test frame. The lifting adjustment component is used to adjust the driving distance of the rotary drive component and drive the rotary drive component to abut against the swivel chair to be tested.

2. The swivel chair rotation durability testing device as described in claim 1, characterized in that, The test base is provided with several holes, and a positioning frame is inserted into each hole. The positioning frame is arranged in a U-shape.

3. The swivel chair rotation durability testing device as described in claim 1, characterized in that, The drive motor is a servo motor.

4. The swivel chair rotation durability testing device as described in claim 1, characterized in that, The lifting adjustment component includes an adjustment screw and a lifting drive block; The adjusting screw is rotatably mounted on the lifting adjusting component; The lifting drive block is rotatably connected to the outer wall of the inner tube, and the lifting drive block is threadedly connected to the adjusting screw.

5. The swivel chair rotation durability testing device as described in claim 4, characterized in that, The end of the adjusting screw near the lifting adjustment component is connected to an adjusting handle via a worm gear transmission.

6. The swivel chair rotation durability testing device as described in claim 5, characterized in that, The worm gear includes a drive worm and a transmission worm wheel; The drive worm gear is rotatably mounted on the test frame, and the end of the drive worm gear is fixedly connected to the adjustment handle; The transmission worm gear is fixedly mounted on the adjusting screw, and the transmission worm gear is meshed with the driving worm.

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