Push-pop type drawer durability testing device and testing method thereof

Abstract

The invention discloses an elastic pressing type drawer durability testing device and a testing method thereof.The elastic pressing type drawer durability testing device comprises a first fixing base, a second fixing base, an elastic pressing assembly, a driving mechanism and an elastic piece, the first fixing base is provided with a heightening section arranged in a vertical extending mode, a connecting plate is arranged between the first fixing base and the second fixing base, and the elastic pressing assembly is pivoted to the middle of the connecting plate; the elastic pressing assembly is provided with an abutting end and a connecting end far away from the abutting end, the connecting end is connected with the heightening section through an elastic piece, and the driving mechanism is in transmission connection with the elastic pressing assembly so as to drive the abutting end to move between a first position where the drawer elastic pressing face of the elastic pressing drawer d is pressed and a second position where the abutting end is separated from the drawer elastic pressing face in a switching mode; when the abutting end of the pressing and popping assembly is switched from the first position to the second position, the pressing and popping drawer is popped out automatically, and when the abutting end of the pressing and popping assembly is switched from the second position to the first position, the pressing and popping drawer is closed automatically. The problems that an existing drawer durability testing machine is large in equipment specification and high in equipment investment cost are solved.

Description

Technical Field

[0001] The invention relates to the technical field of durability performance testing of drawer guide rails, and in particular to a durability testing device and a testing method for a push-to-pop drawer. Background Art

[0002] In the test of push-pull drawer rails for home hardware, the necessary test link is the use test of the rail durability. The test method mainly uses a durability tester to simulate the repeated pushing and pulling of the push-pull drawer to evaluate the durability performance. This test can set a specific number of opening and closing times and instant opening and closing speed to simulate various situations in actual use. Due to restrictive factors such as large equipment specifications and high equipment investment costs, such durability testers cannot be widely used in home hardware companies / furniture companies, resulting in uneven quality of rails on the market. Summary of the invention

[0003] In view of the defects of the above prior art, one of the present inventions provides a push-to-pop drawer durability testing device to solve the problems of large equipment specifications and high equipment investment costs of existing durability testing machines.

[0004] One of the present invention is implemented by the following technical solution:

[0005] A durability testing device for a push-pop drawer comprises a first fixed seat, a second fixed seat, a push-pop assembly, a driving mechanism and an elastic member, wherein the first fixed seat has a vertically extending heightened section, a connecting plate is provided between the first fixed seat and the second fixed seat, the push-pop assembly is pivotally connected to the middle of the connecting plate, the push-pop assembly has a supporting end and a connecting end away from the supporting end, the connecting end is connected to the heightened section via the elastic member, the driving mechanism is transmission-connected to the push-pop assembly to drive the supporting end to switch between a first position of pressing a drawer pressing surface of the push-pop drawer (30) and a second position of the supporting end being separated from the drawer pressing surface; when the supporting end of the push-pop assembly switches from the first position to the second position, the push-pop drawer automatically pops out, and when the supporting end of the push-pop assembly switches from the second position to the first position, the push-pop drawer automatically closes.

[0006] Furthermore, the driving mechanism includes a driving unit and a traction line, wherein two ends of the traction line are respectively connected to the output end and the connecting end of the driving unit, and the driving unit can pull the abutting end to move from the first position toward the second position through the traction line.

[0007] Furthermore, a first guide portion is provided on the first fixing seat, a second guide portion is provided on the second fixing seat, one end of the traction line is connected to the output end of the driving unit, and the other end is connected to the connecting end after passing around the second guide portion and the first guide portion in sequence.

[0008] Furthermore, the driving unit is a cylinder, and a traction head connected to the traction line is provided at the end of the piston rod of the cylinder.

[0009] Furthermore, the connecting plate is provided with a guide channel, the traction head is provided with a vertically arranged guide plate, the upper end of the guide plate extends into the guide channel, one end of the traction line is connected to the traction head, and the other end is connected to the connecting end of the push-button assembly after moving through the guide plate.

[0010] Furthermore, the traction line is a traction tie.

[0011] Furthermore, the push-spring assembly includes two push-spring plates arranged in parallel and a connecting block connecting the two push-spring plates. The middle parts of the two push-spring plates are pivotally connected to the connecting plate and are both located on the outer side of the connecting plate.

[0012] Furthermore, one end of the push-button plate away from the connecting block forms the abutting end, and the abutting end is provided with a semicircular arc structure.

[0013] Furthermore, it also includes a controller, which is electrically connected to the driving mechanism to control the operation of the driving mechanism.

[0014] The second aspect of the present invention provides a durability testing method for a push-to-pop drawer to simulate the actual pop-up and closing actions of a push-to-pop drawer, thereby testing the durability of the guide rails of the push-to-pop drawer.

[0015] The second aspect of the present invention is implemented by the following technical solution:

[0016] A durability testing method for a push-to-pop drawer, using the above-mentioned durability testing device for a push-to-pop drawer, comprises the following steps:

[0017] S1. Assemble the push-pull drawer to be tested and the durability test device so that the abutting end of the push-pull assembly can press against the push-pull surface of the push-pull drawer to be tested;

[0018] S2, the driving unit pulls the traction line backwards, and the traction line pulls down the elastic member synchronously, driving the connection end of the push-spring assembly to descend, so as to drive the abutting end of the push-spring assembly to move from a first position pressing the push-spring surface of the drawer to a second position where the abutting end of the push-spring assembly is separated from the push-spring surface of the drawer, and the push-spring drawer automatically pops out;

[0019] S3, the driving unit pushes the drawer forward, the pulling line automatically folds back to the inside of the push-pop drawer, and the elastic member drives the connecting end of the push-pop assembly to rise, so as to drive the abutting end of the push-pop assembly to move from the second position away from the push-pop surface of the drawer to the first position pressing the push-pop surface of the drawer, and the push-pop drawer is automatically closed;

[0020] S4. Repeat steps S2 and S3 to complete the durability test of the push-to-pop drawer.

[0021] Compared with the prior art, the beneficial effects of the present invention include at least:

[0022] The present invention drives the push-spring assembly to move between the first position and the second position through a driving mechanism, and at the same time utilizes the principle of a lever so that the abutting end of the push-spring assembly can automatically press the push-spring drawer and automatically close the push-spring drawer, so as to simulate the actual pop-up and closing actions of the push-spring drawer, thereby achieving the test of the durability of the push-spring drawer guide rail being repeatedly pulled and retracted. In addition, the first fixing seat, the second fixing seat, the push-spring assembly, and the elastic member of the device adopt a split structure, which has the characteristics of rapid disassembly and assembly, and repeated use, and can replace the durability test machine for use, which is conducive to reducing the test cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is a schematic diagram of a durability testing device for a push-to-pop drawer according to an embodiment of the present invention;

[0024] Figure 2 is an exploded view of a durability testing device for a push-to-pop drawer according to an embodiment of the present invention;

[0025] Figure 3 This is one of the schematic diagrams of assembling a push-pop drawer durability testing device and a push-pop drawer according to an embodiment of the present invention;

[0026] Figure 4 This is the second schematic diagram of the assembly of a push-pop drawer durability testing device and a push-pop drawer according to an embodiment of the present invention;

[0027] Figure 5 This is one of the assembly cross-sectional views of a durability testing device for a push-to-pop drawer and a push-to-pop drawer according to an embodiment of the present invention;

[0028] Figure 6 This is a second assembly cross-sectional view of a durability testing device for a push-to-pop drawer and a push-to-pop drawer according to an embodiment of the present invention;

[0029] In the figure: 10, durability testing device; 11, first fixed seat; 110, heightening section; 12, second fixed seat; 13, push-spring assembly; 131, push-spring plate; 1311, abutting end; 1312, connecting end; 132, connecting block; 14, elastic member; 15, driving unit; 151, traction head; 16, traction line; 17, connecting plate; 171, guide channel; 18, first guide part; 19, second guide part; 20, fixed table top; 30, push-spring drawer; 31, drawer push-spring surface. DETAILED DESCRIPTION

[0030] Example embodiments will now be described more fully with reference to the accompanying drawings. However, example embodiments can be implemented in a variety of forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided to make the present invention more comprehensive and complete and to fully convey the concepts of example embodiments to those skilled in the art. The same reference numerals in the figures represent the same or similar structures, and thus their repeated description will be omitted.

[0031] The words expressing positions and directions described in the present invention are all explained with reference to the accompanying drawings as examples, but they can be changed as needed, and all such changes are included in the protection scope of the present invention.

[0032] like Figure 1-Figure 6 As shown, a push-spring drawer durability testing device 10 provided by the present invention comprises a first fixing seat 11, a second fixing seat 12, a push-spring assembly 13, a driving mechanism and an elastic member 14, wherein the first fixing seat 11 has a vertically extending heightened section 110, a connecting plate 17 is provided between the first fixing seat 11 and the second fixing seat 12, the push-spring assembly 13 is pivotally connected to the middle of the connecting plate 17, the push-spring assembly 13 has a butting end 1311 and a connecting end 1312 away from the butting end 1311, and the connecting end 1312 is connected to the connecting plate 17 by the connecting plate 17. The elastic member 14 is connected to the heightened section 110, and the driving mechanism is transmission-connected to the push-spring assembly 13 to drive the supporting end 1311 to switch between a first position pressing the drawer push-spring surface 31 of the push-spring drawer 30 and a second position where the supporting end 1311 is separated from the drawer push-spring surface 31; when the supporting end 1311 of the push-spring assembly 13 is switched from the first position to the second position, the push-spring drawer 30 pops out automatically, and when the supporting end 1311 of the push-spring assembly 13 is switched from the second position to the first position, the push-spring drawer 30 closes automatically.

[0033] In this embodiment, the device drives the push-spring assembly 13 to move between the first position and the second position through a driving mechanism, and at the same time, by using the principle of lever, the abutting end 1311 of the push-spring assembly 13 can automatically press the push-spring drawer 30 and automatically close the push-spring drawer 30, so as to simulate the pop-up and closing actions of the actual push-spring drawer 30, thereby achieving the purpose of testing the durability of the guide rail of the push-spring drawer 30. In addition, the first fixing seat 11, the second fixing seat 12, the push-spring assembly 13, and the elastic member 14 of the device adopt a split structure, which has the characteristics of rapid disassembly and reusability, and can replace the durability test machine for use, which is conducive to reducing the test cost.

[0034] As a preferred embodiment, the driving mechanism includes a driving unit 15 and a traction line 16, the two ends of the traction line 16 are respectively connected to the output end of the driving unit 15 and the connecting end 1312, and the driving unit 15 can pull the abutting end 1311 from the first position toward the second position through the traction line 16. In this way, not only can the abutting end 1311 be driven to reciprocate between the first position and the second position through the combination of the pulling force of the driving mechanism and the compression elastic member 14, but also the magnitude of the pressing pressure generated by the abutting end 1311 on the drawer can be controlled.

[0035] As a preferred embodiment, a first guide portion 18 is provided on the first fixed seat 11, and a second guide portion 19 is provided on the second fixed seat 12. One end of the traction line 16 is connected to the output end of the driving unit 15, and the other end is connected to the connecting end 1312 after bypassing the second guide portion 19 and the first guide portion 18 in sequence.

[0036] In this embodiment, the first guide portion 18 and the second guide portion 19 guide the movement of the traction line 16, and the transmission effect is better. Figure 6 , the structure of the first guide portion 18 and the second guide portion 19 of this embodiment can be a rotating shaft.

[0037] As a preferred embodiment, the driving unit 15 is a cylinder, and the piston rod end of the cylinder is provided with a traction head 151 connected to the traction line 16. By providing the traction head 151, on the one hand, it is convenient to connect the traction line 16, and on the other hand, by pressing the drawer's push-pull surface with the traction head 151, the actual action of pushing the drawer 30 can be simulated.

[0038] As a preferred embodiment, the connecting plate 17 is provided with a guide channel 171, the traction head 151 is provided with a vertically arranged guide plate (not shown), the upper end of the guide plate extends into the guide channel 171, one end of the traction line 16 is connected to the traction head 151, and the other end is connected to the connecting end 1312 of the push-pull assembly 13 after movably passing through the guide plate. Through the cooperation of the guide plate and the guide channel 171, the traction line 16 has a better limiting and guiding effect.

[0039] As a preferred embodiment, the traction line 16 is a traction tie.

[0040] As a preferred embodiment, the push-spring assembly 13 includes two parallel push-spring plates 131 and a connecting block 132 connecting the two push-spring plates 131. The middle parts of the two push-spring plates 131 are pivotally connected to the connecting plate 17 and are both located on the outside of the connecting plate 17. The push-spring assembly 13 adopts such a technical solution, which is not only simple in structure, but also easy to disassemble.

[0041] As a preferred embodiment, the end of the push plate 131 away from the connecting block 132 forms the abutting end 1311, and the abutting end 1311 is provided with a semicircular arc structure to avoid damage to the push surface 31 of the drawer.

[0042] As a preferred embodiment, a controller is also included, and the controller is electrically connected to the driving mechanism to control the operation of the driving mechanism. The use of such a technical solution not only has a high degree of automation, but also can ensure the accuracy of the alternating pressing and closing operations.

[0043] The present invention also provides a durability testing method for a push-to-pop drawer. The above-mentioned durability testing device 10 for a push-to-pop drawer is used. The testing method comprises the following steps:

[0044] S1, assembling the test spring drawer 30 and the durability test device 10 for testing, so that the abutting end 1311 of the spring assembly 13 can press against the spring surface of the test spring drawer 30;

[0045] S2, the driving unit 15 pulls the traction line 16 backward, and the traction line 16 pulls down the elastic member 14 synchronously, driving the connecting end 1312 of the push-spring assembly 13 to descend, so as to drive the abutting end 1311 of the push-spring assembly 13 to move from the first position pressing the push-spring surface 31 of the drawer to the second position where the abutting end 1311 of the push-spring assembly 13 is separated from the push-spring surface 31 of the drawer, and the push-spring drawer 30 is automatically popped out;

[0046] S3, the driving unit 15 pushes the drawer forward, the pulling line 16 automatically folds back to the inside of the push-spring drawer 30, and the elastic member 14 drives the connecting end 1312 of the push-spring assembly 13 to rise, so as to drive the abutting end 1311 of the push-spring assembly 13 to move from the second position of being separated from the push-spring surface 31 of the drawer to the first position of pressing the push-spring surface 31 of the drawer, and the push-spring drawer 30 is automatically closed;

[0047] S4. Repeat steps S2 and S3 to complete the durability test of the push-to-pop drawer 30.

[0048] In this embodiment, in step S1, the first fixing seat 11 is fixed to the fixed table top 20 with screws, and the heightened section 110 is connected with screws, the second fixing seat 12 is fixed to the test cabinet with screws, and the connecting plate 17 is overlapped between the first fixing seat 11 and the second fixing seat 12, the push-spring assembly 13 and the heightened section 110 are connected together with the elastic member 14, and the traction line 16 is bound between the driving unit 15 and the push-spring assembly 13, and then the reserved length of the traction line 16 is placed in the drawer guide rail, and the reserved length is automatically folded and overlapped by gravity, thereby completing the assembly of the push-spring drawer 30 to be tested and the durability testing device 10.

[0049] In step S2 and step S3, the driving unit 15 pulls the traction line 16 backward, and the traction line 16 simultaneously pulls down the elastic member 14 until it is straightened and tightened, driving the connection end 1312 of the push-spring assembly 13 to descend, and using the principle of lever, the abutting end 1311 of the push-spring assembly 13 is automatically lifted, and the push-spring drawer 30 is inertially opened. In step 3, the driving unit 15 moves forward, the traction line 16 is relaxed, and the extended traction line 16 is automatically folded and overlapped together by gravity, and returned to the inside of the drawer; at the same time, the elastic member 14 is relaxed, and the connection end 1312 of the push-spring assembly 13 is automatically lifted, and using the principle of lever, the abutting end 1311 of the push-spring assembly 13 is lowered, and the drawer push-spring surface 31 of the push-spring drawer 30 is resisted, generating a closing force, and the push-spring drawer 30 is closed again. By repeating steps S2 and S3, the push-spring drawer 30 is closed back and forth, and the durability performance test of the guide rail of the push-spring drawer 30 is achieved.

[0050] The present invention uses a push-to-pop drawer durability testing device 10 to simulate the human use of the push-to-pop drawer 30 times of opening and closing to meet the 40,000 times opening and closing standard of the drawer rail industry. According to the standard of QB / T2454-2013, the push-to-pop drawer should meet the following requirements:

[0051] a) All components or connectors should not be broken or damaged:

[0052] b) Verify by hand that the fastening components should not become loose

[0053] c) All parts should not have deformation or wear that affects normal operation:

[0054] d) Hardware connections should not be loose:

[0055] e) The functionality of all components should not be impaired

[0056] f) Drawer guides and their components should function properly.

[0057] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations on the present invention. A person skilled in the art may change, modify, substitute and modify the above embodiments within the scope of the invention without departing from the principles and purpose of the present invention. All such changes should fall within the scope of protection of the claims of the present invention.

Claims

1. A durability testing device for a push-to-pop drawer, characterized in that: The invention comprises a first fixing seat (11), a second fixing seat (12), a push-spring assembly (13), a driving mechanism and an elastic member (14); the first fixing seat (11) has a vertically extending heightened section (110); a connecting plate (17) is provided between the first fixing seat (11) and the second fixing seat (12); the push-spring assembly (13) is pivotally connected to the middle of the connecting plate (17); the push-spring assembly (13) has a butting end (1311) and a connecting end (1312) away from the butting end (1311); the connecting end (1312) is connected to the driving mechanism through the elastic member (14); The driving mechanism is connected to the push-spring assembly (13) in a transmission connection so as to drive the abutting end (1311) to switch between a first position where the abutting end (1311) presses the drawer push-spring surface (31) of the push-spring drawer (30) and a second position where the abutting end (1311) is separated from the drawer push-spring surface (31); when the abutting end (1311) of the push-spring assembly (13) switches from the first position to the second position, the push-spring drawer (30) automatically pops out; when the abutting end (1311) of the push-spring assembly (13) switches from the second position to the first position, the push-spring drawer (30) automatically closes.

2. The durability testing device for a push-to-pop drawer according to claim 1, characterized in that: The driving mechanism comprises a driving unit (15) and a pulling line (16), wherein two ends of the pulling line (16) are respectively connected to an output end of the driving unit (15) and the connecting end (1312), and the driving unit (15) can pull the abutting end (1311) to move from the first position toward the second position via the pulling line (16).

3. The durability testing device for a push-to-pop drawer according to claim 2, characterized in that: The first fixing seat (11) is provided with a first guide portion (18), the second fixing seat (12) is provided with a second guide portion (19), one end of the traction line (16) is connected to the output end of the driving unit (15), and the other end is connected to the connection end (1312) after passing through the second guide portion (19) and the first guide portion (18) in sequence.

4. The durability testing device for a push-to-pop drawer according to claim 2, characterized in that: The driving unit (15) is a cylinder, and the end of the piston rod of the cylinder is provided with a traction head (151) connected to the traction line (16).

5. The durability testing device for a push-to-pop drawer according to claim 4, characterized in that: The connecting plate (17) is provided with a guide channel (171), the traction head (151) is provided with a vertically arranged guide plate, the upper end of the guide plate extends into the guide channel (171), one end of the traction line (16) is connected to the traction head (151), and the other end is movably connected to the connecting end (1312) of the push-pull assembly (13) after passing through the guide plate.

6. The durability testing device for a push-to-pop drawer according to claim 2, characterized in that: The traction line (16) is a traction link.

7. The durability testing device for a push-to-pop drawer according to claim 1, characterized in that: The push-spring assembly (13) comprises two push-spring plates (131) arranged in parallel and a connecting block (132) connecting the two push-spring plates (131). The middle parts of the two push-spring plates (131) are pivotally connected to the connecting plate (17) and are both located on the outer side of the connecting plate (17).

8. The durability testing device for a push-to-pop drawer according to claim 7, characterized in that: One end of the push-pull plate (131) away from the connecting block (132) forms the abutting end (1311), and the abutting end (1311) is provided with a semicircular arc structure.

9. The durability testing device for a push-to-pop drawer according to claim 2, characterized in that: It also includes a controller, which is electrically connected to the driving mechanism to control the operation of the driving mechanism.

10. A method for testing the durability of a push-to-pop drawer, characterized in that: The durability testing device (10) for a push-to-pop drawer according to any one of claims 1 to 9 comprises the following steps: S1, assembling the push-spring drawer (30) to be tested and the durability testing device (10) so that the abutting end (1311) of the push-spring assembly (13) can abut against the drawer push-spring surface (31) of the push-spring drawer (30) to be tested; S2, the driving unit (15) pulls the traction line (16) backward, and the traction line (16) simultaneously pulls down the elastic member (14), driving the connection end (1312) of the push-spring assembly (13) to descend, so as to drive the abutting end (1311) of the push-spring assembly (13) to move from a first position pressing the drawer push-spring surface (31) to a second position where the abutting end (1311) of the push-spring assembly (13) is separated from the drawer push-spring surface (31), and the push-spring drawer (30) is automatically ejected; S3, the driving unit (15) pushes the drawer forward, the pulling line (16) automatically folds back to the inside of the push-pop drawer (30), and the elastic member (14) drives the connecting end (1312) of the push-pop assembly (13) to rise, so as to drive the abutting end (1311) of the push-pop assembly (13) to move from the second position of being separated from the drawer push-pop surface (31) to the first position of pressing the drawer push-pop surface (31), thereby automatically closing the push-pop drawer (30); S4, repeating steps S2 and S3 to complete the durability test of the push-to-pop drawer (30).

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