Double-door moving mechanism capable of being opened and closed in labor-saving mode

Abstract

The invention relates to a double-door moving mechanism with a labor-saving opening and closing function, and relates to the technical field of cabinet door connection, the double-door moving mechanism comprises a first mounting part, a second mounting part, a third mounting part and a connecting assembly, the first mounting part is arranged at the top in a cabinet body, the first mounting part is used for mounting an upper cabinet door and connecting the upper cabinet door with the cabinet body, and the second mounting part is used for connecting the upper cabinet door with the cabinet body; the second installation part is arranged on the side, away from the cabinet body, of the upper cabinet door, the second installation part is used for installing the lower cabinet door and connecting the lower cabinet door with the upper cabinet door, the third installation part is arranged at the end, away from the upper cabinet door, of the lower cabinet door, the connecting assembly is arranged at the position, close to the third installation part, in the cabinet body, and a swing arm is arranged at the end, away from the cabinet body, of the connecting assembly. One end of the swing arm is rotationally connected with the connecting assembly, the other end of the swing arm is rotationally connected with the third mounting part, and the connecting assembly is used for lifting and retracting the swing arm. The double doors can be conveniently opened and closed in a linkage mode, and the cabinet doors can be conveniently installed.

Description

Technical Field

[0001] The present application relates to the technical field of cabinet door connection, and in particular to a double-door moving mechanism with labor-saving opening and closing. Background Art

[0002] Generally, most of the door leaf sealing mechanisms used in laboratories are single-door structures, which are easy to move and seal. However, with the rapid development of modern science and technology, the requirements of many test projects are becoming more and more stringent. It is hoped that the front and rear double doors can be linked and sealed separately, and can meet the test or process conditions of small footprint and high and low temperatures.

[0003] In the related technology, the double-door linkage structure realizes the synchronous movement of the double doors through a linkage device, and is equipped with an independent sealing mechanism to ensure the airtightness of each door. Generally, sliding rails are installed on the upper cabinet door and the lower cabinet door respectively. The sliding rails are usually fixed on the side panels or top and bottom panels of the cabinet body. The upper cabinet door and the lower cabinet door are connected by sliding rails and a linkage device to ensure synchronous movement when opening and closing.

[0004] With regard to the above-mentioned related technologies, the slide rails and linkage devices increase the complexity of the structure, and are difficult to design and install. The slide rails and linkage devices are easily affected by dust and dirt and require regular cleaning and maintenance. In addition, during continuous use, the slide rails are prone to wear, resulting in poor operation and difficulty in opening and closing. Summary of the invention

[0005] In order to facilitate the linked opening and closing of double doors and to facilitate the installation of cabinet doors, the present application provides a double-door moving mechanism with labor-saving opening and closing.

[0006] The present application provides a double-door moving mechanism with labor-saving opening and closing, which adopts the following technical solutions: A double-door moving mechanism with labor-saving opening and closing, comprising a first mounting member, a second mounting member, a third mounting member and a connecting assembly, wherein the first mounting member is arranged at the top of a cabinet body, the first mounting member is used to mount an upper cabinet door and connect the upper cabinet door to the cabinet body, the second mounting member is arranged at a side of the upper cabinet door away from the cabinet body, the second mounting member is used to mount a lower cabinet door and connect the lower cabinet door to the upper cabinet door, the third mounting member is arranged at one end of the lower cabinet door away from the upper cabinet door, the connecting assembly is arranged in the cabinet body near the third mounting member, a swing arm is arranged at one end of the connecting assembly away from the cabinet body, one end of the swing arm is rotatably connected to the connecting assembly, and the other end is rotatably connected to the third mounting member, and the connecting assembly is used to lift and retract the swing arm.

[0007] By adopting the above technical solution, when opening the cabinet door, the lower cabinet door is lifted and pulled, and the lower cabinet door drives the third mounting part to lift the swing arm, and the swing arm drives the connecting component to lift the lower cabinet door. When the lower cabinet door is lifted, the second mounting part is driven by the lower cabinet door, and the second mounting part makes the upper cabinet door lifted away from the cabinet body under the action of the first mounting part until the upper cabinet door and the lower cabinet door are opened at the same time, which is convenient for the linkage opening and closing of the double doors. The connecting component serves as a lifting module to connect the swing arm to the cabinet body, and cooperates with the first mounting part, the second mounting part and the third mounting part to facilitate the installation of double cabinet doors that can be opened and closed at the same time.

[0008] Optionally, the connecting assembly includes a bottom plate, a fixed lower seat, a fixed upper seat and a top plate, the bottom plate is provided with a buffer and a rotating cam, the rotating cam is rotatably connected to the bottom plate, the protruding portion of the rotating cam is provided with a guide rod, the end of the swing arm close to the cabinet is provided with a rotating hole and a mounting hole, the rotating hole is rotatably connected to the rotating cam, and the mounting hole is rotatably connected to the guide rod, the buffer is arranged on one side of the rotating cam, when the lower cabinet door is closed, the guide rod abuts against the buffer, and the buffer is used to buffer the rotating cam, the fixed lower seat is arranged above the buffer, the fixed upper seat is arranged above the fixed lower seat, the fixed upper seat is detachably connected to one end of the fixed lower seat away from the bottom plate, the fixed upper seat is provided with a movable plate and an adjusting member at one end away from the fixed lower seat, the movable plate is provided with a track groove, the guide rod is located in the track groove and can slide along the side wall of the track groove, the movable plate and the adjusting member are both slidably connected to the fixed upper seat, and the sliding directions of the movable plate and the adjusting member are both horizontal sliding, and the adjusting member is provided with a fixing member at one end away from the movable plate, and the fixing member is used to drive the movable plate and the adjusting member to slide along the fixed upper seat.

[0009] By adopting the above technical solution, when the cabinet door is opened, the cabinet door drives the swing arm to rotate, the swing arm drives the rotating cam to rotate, the rotating cam drives the guide rod to rotate, and the guide rod rotates along the track groove on the movable plate under the pulling force of the fixing part and the adjusting part. At different angles, different force values ​​will be obtained, and the force will be fed back to the swing arm to provide supporting force for the lower cabinet door and the upper cabinet door, so that the upper cabinet door and the lower cabinet door can be suspended. When the cabinet door is closed, the rotating cam drives the guide rod to approach the buffer, so that the buffer buffers the guide rod when the upper cabinet door and the lower cabinet door are closed, so as to facilitate the closing of the upper cabinet door and the lower cabinet door.

[0010] Optionally, the adjusting member includes a plurality of elastic members and mounting strips, the plurality of elastic members are evenly distributed between the movable plate and the mounting strip, one end of the elastic member is connected to the movable plate, and the other end is connected to the mounting strip, the extension and contraction direction of the elastic member is the same as the sliding direction of the movable plate, the fixing member includes an adjusting screw and a fixing seat, the fixing seat is arranged at one end of the fixed lower seat close to the buffer member and close to the elastic member, the adjusting screw passes through the fixing seat and the mounting strip in sequence and is threadedly connected to the fixing seat and the mounting strip.

[0011] By adopting the above technical solution, the adjusting screw is rotated, and the adjusting screw drives the mounting bar to move, thereby adjusting the tension between the mounting bar and the elastic member to adapt to upper cabinet doors and lower cabinet doors of different weights, thereby improving the applicability of the connecting component.

[0012] Optionally, a limiting rod is provided on the fixed lower seat, a limiting hole corresponding to the limiting rod is opened on the fixed upper seat, the limiting rod is located in the limiting hole, and the side wall of the movable plate is in contact with the peripheral side wall of the limiting rod.

[0013] By adopting the above technical solution, the limiting rod is convenient for installing the fixed upper seat on the one hand, and limits the movable plate on the other hand, so that the movable plate can slide along the fixed upper seat.

[0014] Optionally, the fixed upper seat and the fixed lower seat are both provided with sliding grooves near the elastic member, and the side walls of the mounting strip away from the elastic member are both located in the sliding grooves and fit the side walls of the sliding grooves.

[0015] By adopting the above technical solution, a sliding groove is opened, and the mounting strip and the elastic member are directly installed in the sliding groove, thereby saving the installation distance between the fixed upper seat and the fixed lower seat, reducing the volume of the connecting component, and facilitating the installation of the connecting component into the cabinet.

[0016] Optionally, a support seat is provided on the elastic member near the adjusting screw, the support seat is detachably connected to the base plate, and one end of the adjusting screw near the support seat is threadedly connected to the support seat.

[0017] By adopting the above technical solution, when the adjusting screw is rotated, the adjusting screw rotates along the support seat, thereby improving the overall stability of the elastic member and the supporting screw.

[0018] Optionally, the buffer member includes a buffer block and a buffer drive, the buffer block is rotatably connected to a side of the base plate away from the fixed member, the buffer drive is arranged at one end of the base plate close to the adjusting member and close to the buffer block, the buffer drive is located within the rotation track of the rotating cam, when the rotating cam abuts against the buffer block, the buffer block approaches the buffer drive and pushes the buffer drive, and the buffer drive buffers the buffer block.

[0019] By adopting the above technical solution, when the upper cabinet door and the lower cabinet door are closed, the guide rod approaches the buffer block together with the descending of the swing arm, and when the guide rod abuts against the buffer block, the buffer drive buffers the buffer block and the guide rod, so that when the upper cabinet door and the lower cabinet door are closed, the upper cabinet door and the lower cabinet door can be closed slowly, reducing the impact force when the upper cabinet door and the lower cabinet door are closed.

[0020] Optionally, the side of the track groove away from the adjusting member is a track segment, the track segment includes a first groove segment and a second groove segment, the first groove segment and the second groove segment are symmetrically arranged up and down, when the guide rod is located in the first groove segment, the upper cabinet door and the lower cabinet door are in a fully open state, when the guide rod is located in the second groove segment, the upper cabinet door and the lower cabinet door are in a fully closed state, when the guide rod is located between the first groove segment and the second groove segment, the upper cabinet door and the lower cabinet door are in any open state and can hover.

[0021] By adopting the above technical solution, the first groove and the second groove respectively make the upper cabinet door and the lower cabinet door in a fully open or fully closed state. Under the action of the adjusting part and the fixing part, the upper cabinet door and the lower cabinet door can hover at any time in the track section between the first groove and the second groove, which is convenient for opening the upper cabinet door and the lower cabinet door to the required opening angle.

[0022] In summary, the present application includes at least one of the following beneficial technical effects: By providing a first mounting member, a second mounting member, a third mounting member and a connecting member, the swing arm on the connecting member drives the connecting member to support the swing arm when the lower cabinet door is opened, and the upper cabinet door and the lower cabinet door can be opened and closed at the same time through the first mounting member, the second mounting member and the third mounting member. The elastic member, the mounting strip and the adjusting screw in the connecting member can enable the swing arm to obtain different force feedback at different angles, and the force feedback is fed back to the swing arm to provide support force for the lower cabinet door and the upper cabinet door, so as to facilitate the linkage opening and closing of the upper cabinet door and the lower cabinet door and to be able to hover the upper cabinet door and the lower cabinet door at any time; By opening sliding grooves on the fixed upper seat and the fixed lower seat, elastic parts and mounting strips are arranged in the sliding grooves, the overall volume of the connecting assembly is reduced, the connecting assembly is conveniently installed in the cabinet, and a top plate is arranged to reduce the possibility of dust accumulation in the connecting assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0024] Figure 1 is a schematic diagram of the overall structure of the cabinet door of the embodiment of the present application being closed; Figure 2 This is a schematic diagram of the overall structure of the cabinet door opening of an embodiment of the present application; Figure 3 is a schematic diagram of the overall structure of a cabinet door half-opened in an embodiment of the present application; Figure 4 is an exploded view of the swing arm and the connecting assembly of an embodiment of the present application; Figure 5 is a schematic diagram of the structure of the connection component of an embodiment of the present application; Figure 6 is an exploded view of a connection assembly of an embodiment of the present application; Figure 7 It is a schematic diagram of the structure after the top plate is hidden in the connection component of the embodiment of the present application.

[0025] Explanation of the accompanying drawings: 1. first mounting member; 2. second mounting member; 3. third mounting member; 4. connecting assembly; 41. bottom plate; 411. buffer member; 4111. buffer block; 4112. buffer drive; 412. rotating cam; 413. guide rod; 42. fixed lower seat; 421. limit rod; 43. fixed upper seat; 431. movable plate; 432. adjusting member; 4321. elastic member; 4322. mounting strip; 434. fixing member; 4341. adjusting screw; 4342. fixing seat; 435. track groove; 4351. first groove section; 4352. second groove section; 436. limit hole; 44. top plate; 5. swing arm; 51. rotating hole; 52. mounting hole; 6. sliding groove; 7. support seat; 8. connecting support rod. DETAILED DESCRIPTION

[0026] The following is combined with Figure 1-7 This application is described in further detail.

[0027] The present application embodiment discloses a double door moving mechanism with labor-saving opening and closing, referring to Figure 1 , Figure 2 and Figure 3 A double-door moving mechanism with labor-saving opening and closing includes a first mounting member 1, a second mounting member 2, a third mounting member 3 and a connecting assembly 4. The first mounting member 1 and the second mounting member 2 are both door hinges. One end of the first mounting member 1 is fixedly connected to the top wall of the cabinet body by bolts, and the other end is fixedly connected to the inner wall of the upper cabinet door near the cabinet body by bolts. The first mounting member 1 is used to install the upper cabinet door so that the upper cabinet door is connected to the cabinet body.

[0028] Reference Figure 1 , Figure 2 and Figure 3 The second mounting member 2 is arranged on a side of the upper cabinet door away from the cabinet body. One end of the second mounting member 2 is fixedly connected to the side wall of the upper cabinet door by bolts, and the other end is fixedly connected to the inner wall of the lower cabinet door close to the upper cabinet door by bolts. The second mounting member 2 is used to install the lower cabinet door so that the lower cabinet door is connected to the upper cabinet door.

[0029] Reference Figure 1 , Figure 2 and Figure 3The third mounting member 3 is fixedly connected to the inner wall of the end of the lower cabinet door away from the upper cabinet door by bolts, and the connecting component 4 is fixedly connected to the cabinet body near the third mounting member 3 by bolts. A swing arm 5 is provided at the end of the connecting component 4 away from the cabinet body, one end of the swing arm 5 is rotatably connected to the connecting component 4, and the other end is rotatably connected to the third mounting member 3. The connecting component 4 is used to lift and retract the swing arm 5.

[0030] When the lower cabinet door is lifted, the lower cabinet door drives the swing arm 5 to rotate, and the swing arm 5 drives the connecting component 4 , so that the connecting component 4 generates a feedback force on the swing arm 5 .

[0031] Specifically, refer to Figure 4 , Figure 5 and Figure 6 The connecting component 4 includes a bottom plate 41, a fixed lower seat 42, a fixed upper seat 43 and a top plate 44. A buffer 411 and a rotating cam 412 are provided on the bottom plate 41. The rotating cam 412 is rotatably connected to the bottom plate 41 through a rotating shaft. A guide rod 413 is welded to the protruding portion of the rotating cam 412. The guide rod 413 is flush with the axis of the rotating shaft of the rotating cam 412. The swing arm 5 is set to a "C" shape as a whole, so that the swing arm 5 can be located in the cabinet body when the upper cabinet door and the lower cabinet door are closed, reducing the possibility of interference between the swing arm 5 and the cabinet body, the upper cabinet door and the lower cabinet door.

[0032] Reference Figure 5 , Figure 6 and Figure 7 A rotating hole 51 and a mounting hole 52 are provided at one end of the swing arm 5 close to the cabinet body, the rotating cam 412 is located in the rotating hole 51 and is rotatably connected to the swing arm 5, the guide rod 413 is located in the mounting hole 52 and is rotatably connected to the swing arm 5, the buffer member 411 is arranged on one side of the rotating cam 412, when the lower cabinet door is closed, the guide rod 413 abuts against the buffer member 411, and the buffer member 411 is used to buffer the rotating cam 412, the fixed lower seat 42 is arranged above the buffer member 411, and the fixed upper seat 43 is arranged above the fixed lower seat 42, and the fixed upper seat 43 is detachably connected to the end of the fixed lower seat 42 away from the bottom plate 41. In this embodiment, the fixed upper seat 43 is fixedly connected to the fixed lower seat 42 by bolts, and the end of the fixed upper seat 43 away from the fixed lower seat 42 is provided with a movable plate 431 and an adjusting member 432, and a track groove 435 is provided on the movable plate 431, and the guide rod 413 is located in the track groove 435 and can slide along the side wall of the track groove 435.

[0033] Reference Figure 5 , Figure 6 and Figure 7In this embodiment, the left side of the track groove 435 is overall "C"-shaped, and the right side is a rectangle with arc corners. The side of the track groove 435 away from the adjusting member 432 is the track segment, that is, the "C"-shaped segment on the left side of the track groove 435. The track segment includes a first groove segment 4351 and a second groove segment 4352. The first groove segment 4351 and the second groove segment 4352 are symmetrically arranged up and down. When the guide rod 413 is located in the first groove segment 4351, the upper cabinet door and the lower cabinet door are in a fully open state. When the guide rod 413 is located in the second groove segment 4352, the upper cabinet door and the lower cabinet door are in a fully closed state. When the guide rod 413 is located between the first groove segment 4351 and the second groove segment 4352, the upper cabinet door and the lower cabinet door are in any open state and can be hovered.

[0034] Reference Figure 5 , Figure 6 and Figure 7 The movable plate 431 and the adjusting member 432 are both slidably connected to the fixed upper seat 43 by a limiting manner, and the sliding directions of the movable plate 431 and the adjusting member 432 are both horizontal sliding. A fixing member 434 is provided at the end of the adjusting member 432 away from the movable plate 431, and the fixing member 434 is used to drive the movable plate 431 and the adjusting member 432 to slide along the fixed upper seat 43.

[0035] Further, refer to Figure 5 , Figure 6 and Figure 7 The adjusting member 432 includes a plurality of elastic members 4321 and a mounting strip 4322. The plurality of elastic members 4321 are evenly distributed between the movable plate 431 and the mounting strip 4322. In the present embodiment, six elastic members 4321 are provided. The elastic member 4321 is a hook spring. One end of the elastic member 4321 is hung on the movable plate 431, and the other end is hung on the mounting strip 4322. The telescopic direction of the elastic member 4321 is the same as the sliding direction of the movable plate 431. The fixing member 434 includes an adjusting screw 4341 and a fixing seat 4342. The fixing seat 4342 is fixedly connected to one end of the fixed lower seat 42 close to the buffer member 411 and close to the middle position of the six elastic members 4321 by bolts. The adjusting screw 4341 passes through the fixing seat 4342 and the mounting strip 4322 in sequence and is threadedly connected to the fixing seat 4342 and the mounting strip 4322. The adjusting screw 4341 is located in the middle position of the six elastic members 4321.

[0036] Specifically, refer to Figure 5 , Figure 6 and Figure 7A limiting rod 421 is welded on the fixed lower seat 42, and a limiting hole 436 corresponding to the limiting rod 421 is provided on the fixed upper seat 43. When the limiting rod 421 is located in the limiting hole 436, the side wall of the movable plate 431 fits with the peripheral side wall of the limiting rod 421, and the limiting rod 421 limits the movable plate 431, so that the movable plate 431 can slide left and right along the peripheral side of the limiting rod 421. The fixed upper seat 43 and the fixed lower seat 42 are both provided with a sliding groove 6 near the elastic member 4321, and the side wall of the mounting strip 4322 away from the elastic member 4321 is both located in the sliding groove 6, and the two end faces of the mounting strip 4322 fit with the side wall of the sliding groove 6, that is, the mounting strip 4322 can slide left and right along the sliding groove 6.

[0037] Reference Figure 5 , Figure 6 and Figure 7 The elastic member 4321 is provided with a support seat 7 near the adjusting screw 4341. The support seat 7 is rectangular. The support seat 7 is fixedly connected to the bottom plate 41 by bolts. One end of the adjusting screw 4341 near the support seat 7 is threadedly connected to the support seat 7. The fixed upper seat 43 and the fixed lower seat 42 are both integrally formed with a connecting rod 8 near the support seat 7. The connecting rod 8 is in the shape of a long strip. One end of the support seat 7 away from the adjusting screw 4341 is fixedly connected to the connecting rod 8 by bolts, so as to improve the stability of the adjusting screw 4341 when adjusting the position of the mounting strip 4322.

[0038] Reference Figure 5 , Figure 6 and Figure 7 The buffer component 411 includes a buffer block 4111 and a buffer drive 4112. The buffer block 4111 is fan-shaped and is located within the rotation trajectory of the rotating cam 412. The buffer block 4111 is rotatably connected to the side of the base plate 41 away from the fixing member 434 through a rotating shaft. The buffer drive 4112 is arranged at one end of the base plate 41 close to the adjusting member 432 and close to the buffer block 4111. The buffer block 4111 can abut against the output end of the buffer drive 4112. When the rotating cam 412 abuts against the buffer block 4111, the buffer block 4111 is close to the buffer drive 4112 to push the buffer drive 4112, and the buffer drive 4112 buffers the buffer block 4111. In this embodiment, the buffer drive 4112 is a buffer cylinder.

[0039] The implementation principle of a double-door moving mechanism with labor-saving opening and closing in the embodiment of the present application is as follows: the length of the adjusting screw 4341 is adjusted to be able to generate a tensile strength suitable for the cabinet, and the lower cabinet door is pulled. When the lower cabinet door is lifted, the swing arm 5 is driven to rotate, and the swing arm 5 drives the rotating cam 412 to rotate. When the rotating cam 412 rotates, it drives the guide rod 413 to rotate. The guide rod 413 moves along the track segment under the action of the tension of multiple elastic members 4321, and can hover at the track segment at any time during the movement, which is convenient for the linkage opening and closing of the double doors. The overall size of the connecting component 4 is small and dust-proof. During installation, you only need to install the connecting component 4 into the cabinet, and then connect the swing arm 5 with the lower cabinet door and the connecting component 4, which is convenient for installing the upper cabinet door and the lower cabinet door.

[0040] Unless otherwise defined, the technical terms or scientific terms used in this application should be understood by people with ordinary skills in the field to which this application belongs. The words "first", "second", "third" and similar words used in the specification and claims of this application do not indicate any order, quantity or importance, but are only used to distinguish different components. "One" or "one" and similar words do not indicate a quantitative limit, but indicate that there is at least one. "Include" or "comprise" and similar words mean that the elements or objects appearing before "include" or "comprise" include the elements or objects listed after "include" or "comprise" and their equivalents, and do not exclude other elements or objects. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0041] The above are all optional embodiments of the present application, and are not intended to limit the protection scope of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A double door moving mechanism with labor-saving opening and closing, characterized in that: The cabinet comprises a first mounting member (1), a second mounting member (2), a third mounting member (3) and a connecting assembly (4), wherein the first mounting member (1) is arranged at the top of the cabinet body, the first mounting member (1) is used to mount an upper cabinet door to connect the upper cabinet door to the cabinet body, the second mounting member (2) is arranged at a side of the upper cabinet door away from the cabinet body, the second mounting member (2) is used to mount a lower cabinet door to connect the lower cabinet door to the upper cabinet door, the third mounting member (3) is arranged at an end of the lower cabinet door away from the upper cabinet door, the connecting assembly (4) is arranged in the cabinet body near the third mounting member (3), the end of the connecting assembly (4) away from the cabinet body is provided with a swing arm (5), one end of the swing arm (5) is rotatably connected to the connecting assembly (4), and the other end is rotatably connected to the third mounting member (3), and the connecting assembly (4) is used to lift and retract the swing arm (5).

2. A double door moving mechanism with labor-saving opening and closing according to claim 1, characterized in that: The connecting assembly (4) comprises a bottom plate (41), a fixed lower seat (42), a fixed upper seat (43) and a top plate (44); a buffer (411) and a rotating cam (412) are provided on the bottom plate (41); the rotating cam (412) is rotatably connected to the bottom plate (41); a guide rod (413) is provided on a protruding portion of the rotating cam (412); a rotating hole (51) and a mounting hole (52) are provided at one end of the swing arm (5) close to the cabinet; the rotating hole (51) is rotatably connected to the rotating cam (412); the mounting hole (52) is rotatably connected to the guide rod (413); the buffer (411) is provided on one side of the rotating cam (412); when the lower cabinet door is closed, the guide rod (413) abuts against the buffer (411); the buffer (411) is used to buffer the rotating cam (412); the fixed lower seat (42) is provided above the buffer (411); The fixed upper seat (43) is arranged above the fixed lower seat (42). The fixed upper seat (43) is detachably connected to one end of the fixed lower seat (42) away from the bottom plate (41). The end of the fixed upper seat (43) away from the fixed lower seat (42) is provided with a movable plate (431) and an adjusting member (432). The movable plate (431) is provided with a track groove (435). The guide rod (413) is located in the track groove (435) and can slide along the side wall of the track groove (435). The movable plate (431) and the adjusting member (432) are both slidably connected to the fixed upper seat (43). The sliding directions of the movable plate (431) and the adjusting member (432) are both horizontal sliding. The end of the adjusting member (432) away from the movable plate (431) is provided with a fixing member (434). The fixing member (434) is used to drive the movable plate (431) and the adjusting member (432) to slide along the fixed upper seat (43).

3. A double door moving mechanism with labor-saving opening and closing according to claim 2, characterized in that: The adjusting member (432) comprises a plurality of elastic members (4321) and a mounting strip (4322); the plurality of elastic members (4321) are evenly distributed between the movable plate (431) and the mounting strip (4322); one end of the elastic member (4321) is connected to the movable plate (431), and the other end is connected to the mounting strip (4322); the extension direction of the elastic member (4321) is the same as the sliding direction of the movable plate (431); the fixing member (434) comprises an adjusting screw (4341) and a fixing seat (4342); the fixing seat (4342) is arranged at one end of the fixed lower seat (42) close to the buffer member (411) and close to the elastic member (4321); the adjusting screw (4341) passes through the fixing seat (4342), the mounting strip (4322) in sequence, and is threadedly connected to the fixing seat (4342) and the mounting strip (4322).

4. A double door moving mechanism with labor-saving opening and closing according to claim 2, characterized in that: The fixed lower seat (42) is provided with a limiting rod (421), the fixed upper seat (43) is provided with a limiting hole (436) corresponding to the limiting rod (421), the limiting rod (421) is located in the limiting hole (436), and the side wall of the movable plate (431) is in contact with the peripheral side wall of the limiting rod (421).

5. The double-door moving mechanism with labor-saving opening and closing according to claim 3, characterized in that: The fixed upper seat (43) and the fixed lower seat (42) are both provided with a sliding groove (6) near the elastic member (4321), and the side walls of the mounting strip (4322) away from the elastic member (4321) are both located in the sliding groove (6) and are in contact with the side walls of the sliding groove (6).

6. The double-door moving mechanism with labor-saving opening and closing according to claim 3, characterized in that: The elastic member (4321) is provided with a support seat (7) near the adjusting screw (4341); the support seat (7) is detachably connected to the bottom plate (41); and one end of the adjusting screw (4341) near the support seat (7) is threadedly connected to the support seat (7).

7. A double door moving mechanism with labor-saving opening and closing according to claim 2, characterized in that: The buffer member (411) comprises a buffer collision block (4111) and a buffer drive (4112); the buffer collision block (4111) is rotatably connected to a side of the bottom plate (41) away from the fixing member (434); the buffer drive (4112) is arranged at an end of the bottom plate (41) close to the adjusting member (432) and close to the buffer collision block (4111); the buffer drive (4112) is located within a rotation track of the rotating cam (412); when the rotating cam (412) abuts against the buffer collision block (4111), the buffer collision block (4111) approaches the buffer drive (4112) and pushes the buffer drive (4112); and the buffer drive (4112) buffers the buffer collision block (4111).

8. The double-door moving mechanism with labor-saving opening and closing according to claim 2, characterized in that: The side of the track groove (435) away from the adjustment member (432) is a track section, the track section comprising a first groove section (4351) and a second groove section (4352), the first groove section (4351) and the second groove section (4352) being symmetrically arranged up and down, when the guide rod (413) is located in the first groove section (4351), the upper cabinet door and the lower cabinet door are in a fully open state, when the guide rod (413) is located in the second groove section (4352), the upper cabinet door and the lower cabinet door are in a fully closed state, and when the guide rod (413) is located between the first groove section (4351) and the second groove section (4352), the upper cabinet door and the lower cabinet door are in any open state and can be suspended.

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