Lead screw lifter with buffer structure

Abstract

The utility model relates to the technical field of lead screw lifters, and discloses a lead screw lifter with a buffer structure, which comprises a base and further comprises a shell arranged at the top of the base, and a lifting mechanism is arranged in the base; the movable block is arranged in the base, a limiting ring used for limiting the lifting mechanism is fixed to the inner wall of the movable block, and a transversely-arranged sleeve is fixed to one side of the movable block; according to the lead screw lifter, the limiting plate, the sliding block, the fixing plate, the second threaded rod and the clamping block are used in cooperation, the shell can be detached conveniently, and therefore parts in the lead screw lifter can be replaced and maintained conveniently; according to the buffer device for the lead screw lifter, the equipment can be conveniently buffered in the using process, meanwhile, it is guaranteed that the buffer device does not deviate in the using process, and the buffer effect of the lead screw lifter is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of screw jacks, in particular to a screw jack with a buffer structure. Background Technique

[0002] A screw jack is a device used to control the up and down movement of mechanical equipment, and is widely used in fields such as industrial automation and home robot technology. Its main components include a screw rod, a nut, a slider, and a guide rail, etc. By changing the rotation speed and direction of the screw rod, the slider is driven to perform translational, rotational or other forms of linear motion, so as to accurately control the position of the equipment and adjust the motion. The screw jack has the advantages of simple structure, convenient operation and high transmission efficiency, and can effectively reduce the energy consumption of mechanical equipment and improve work efficiency.

[0003] In order to prevent the screw jack from being damaged due to external impact or vibration during use, and at the same time generate large noise and vibration, reducing the service life of the screw jack. Therefore, a screw jack with a buffer structure is needed to ensure the stability of the equipment. The outer shell and the base of the existing screw jack with a buffer structure are usually fixedly connected. When the internal parts of the screw jack are damaged and need to be replaced, it is not convenient to disassemble the outer shell of the equipment, thus reducing the working efficiency of the screw jack. And the existing screw jack with a buffer structure usually does not have the function of limiting the buffer device, resulting in the buffer device may shift during use, thus reducing the buffer effect on the screw jack. Content of the Utility Model

[0004] The purpose of the utility model is to provide a screw jack with a buffer structure to solve the problems put forward in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A screw jack with a buffer structure, including a base, and further including:

[0006] An outer shell arranged on the top of the base, and a lifting mechanism is arranged inside the base;

[0007] A movable block arranged inside the base, a limiting ring for limiting the lifting mechanism is fixed on the inner wall of the movable block, a horizontally arranged sleeve is fixed on one side of the movable block, a first spring and a damper are respectively fixed on the inner wall of the base, one end of the first spring is fixed with a baffle for limiting the movable block, and a connecting mechanism is arranged on one side of the baffle.

[0008] Preferably, the lifting mechanism includes a motor horizontally installed on one side of the base. A coupling is fixed to the output end of the motor. One side of the coupling is fixed with a screw rod body, and the outer side of the screw rod body is threadedly connected to the inner wall of the movable block.

[0009] Preferably, the connecting mechanism includes a first connecting block fixed to the inner wall of the base. A horizontally arranged first connecting rod is rotatably connected to the inner wall of the first connecting block. One end of the first connecting rod is rotatably connected to a second connecting rod. One end of the second connecting rod is rotatably connected to a second connecting block, and one side of the second connecting block is fixedly connected to one side of the movable block.

[0010] Preferably, a horizontally arranged limiting rod and a second spring are respectively fixed to the inner wall of the base, and one end of the second spring is fixedly connected to one side of the movable block.

[0011] Preferably, a limiting plate is fixed to one side of the housing, and a slider is slidably connected to the inner wall of the limiting plate.

[0012] Preferably, a fixing plate is fixed to the outer side of the base. A horizontally arranged threaded rod is fixed to the inner wall of the fixing plate, and a clamping block is threadedly connected to the outer side of the threaded rod.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] By using the cooperation of the limiting plate, the slider, the fixing plate, the second threaded rod and the clamping block, the present utility model can facilitate the disassembly of the housing, thereby facilitating the replacement and repair of the internal parts of the screw lifter. By using the cooperation of the first spring, the damper, the baffle, the limiting rod and the second spring, the device can be buffered during use, and at the same time, it is ensured that the buffer device will not shift during use, improving the buffering effect of the screw lifter. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic structural diagram of a preferred embodiment of a screw lifter with a buffer structure provided by the present utility model;

[0016] Figure 2 It is a schematic structural diagram of the fixing plate provided by the present utility model;

[0017] Figure 3 It is a schematic structural diagram of the connecting mechanism provided by the present utility model;

[0018] Figure 4 It is a schematic structural diagram of the lifting mechanism provided by the present utility model.

[0019] In the figure: 1, base; 2, outer shell; 3, lifting mechanism; 31, motor; 32, coupling; 33, lead screw body; 4, movable block; 5, limit ring; 6, sleeve; 7, first spring; 8, damper; 9, baffle; 10, connecting mechanism; 101, first connecting block; 102, first connecting rod; 103, second connecting rod; 104, second connecting block; 11, limit rod; 12, second spring; 13, limit plate; 14, slider; 15, fixing plate; 16, threaded rod; 17, clamping block. Detailed implementation mode

[0020] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0021] Please refer to Figures 1-4 As shown, a lead screw lifter with a buffer structure includes a base 1. An outer shell 2 is provided on the top of the base 1. By providing the outer shell 2, it is convenient to seal the base 1, thereby facilitating the protection of the lifting mechanism 3. A lifting mechanism 3 is provided inside the base 1. By providing the lifting mechanism 3, it is convenient to lift the movable block 4. The movable block 4 provided inside the base 1. By providing the movable block 4, it is convenient to drive the sleeve 6 to lift. A limit ring 5 for limiting the lifting mechanism 3 is fixed on the inner wall of the movable block 4. By providing the limit ring 5, it is convenient to limit the lead screw body 33. A horizontally arranged sleeve 6 is fixed on one side of the movable block 4. By providing the sleeve 6, it is convenient to protect the lead screw body 33. The first spring 7 and the damper 8 are respectively fixed on the inner wall of the base 1. By providing the first spring 7 and the damper 8, it is convenient to shock-absorb the baffle 9. One end of the first spring 7 is fixed with a baffle 9 for limiting the movable block 4. By providing the baffle 9, it is convenient to buffer the movable block 4. A connecting mechanism 10 is provided on one side of the baffle 9. By providing the connecting mechanism 10, it is convenient to connect the baffle 9 with the base 1.

[0022] The lifting mechanism 3 includes a motor 31 horizontally installed on one side of the base 1. By providing the motor 31, it is convenient to drive the rotation of the screw rod body 33. A coupling 32 is fixed to the output end of the motor 31. By providing the coupling 32, it is convenient to connect the screw rod body 33 to the motor 31, ensuring a tight and reliable connection between the screw rod body 33 and the device, thereby reducing the risk of faults during the operation of the device. A screw rod body 33 is fixed to one side of the coupling 32, and the outer side of the screw rod body 33 is threadedly connected to the inner wall of the movable block 4. By providing the screw rod body 33, it is convenient to drive the lifting of the movable block 4.

[0023] The connecting mechanism 10 includes a first connecting block 101 fixed to the inner wall of the base 1. By providing the first connecting block 101, it is convenient to connect the first connecting rod 102 to the base 1. A horizontally arranged first connecting rod 102 is rotatably connected to the inner wall of the first connecting block 101. One end of the first connecting rod 102 is rotatably connected to a second connecting rod 103. By providing the first connecting rod 102 and the second connecting rod 103, it is convenient to connect the baffle 9 to the base 1. One end of the second connecting rod 103 is rotatably connected to a second connecting block 104, and one side of the second connecting block 104 is fixedly connected to one side of the movable block 4. By providing the second connecting block 104, it is convenient to connect the second connecting rod 103 to the baffle 9.

[0024] A horizontally arranged limiting rod 11 and a second spring 12 are respectively fixed to the inner wall of the base 1, and one end of the second spring 12 is fixedly connected to one side of the movable block 4. By providing the limiting rod 11, it is convenient to limit the movable block 4 and the baffle 9. By providing the second spring 12, it is convenient to shock-absorb the baffle 9. A limiting plate 13 is fixed to one side of the housing 2. By providing the limiting plate 13, it is convenient to limit the slider 14. A slider 14 is slidably connected to the inner wall of the limiting plate 13. By providing the slider 14, it is convenient to cooperate with the threaded rod 16 and the clamping block 17 to fix the limiting plate 13 to the fixing plate 15, thereby fixing the housing 2. A fixing plate 15 is fixed to the outer side of the base 1. By providing the fixing plate 15, it is convenient to support the threaded rod 16. A horizontally arranged threaded rod 16 is fixed to the inner wall of the fixing plate 15. A clamping block 17 is threadedly connected to the outer side of the threaded rod 16. By using the threaded rod 16 and the clamping block 17 in cooperation, it is convenient to fix the slider 14, thereby facilitating the fixing of the housing 2 and the base 1.

[0025] Working principle: When in use, first start the motor 31. The motor 31 drives the lead screw body 33 to rotate. The lead screw body 33 can facilitate driving the movable block 4 to move up and down. The movable block 4 can facilitate driving the sleeve 6 to move up and down, thereby realizing the lifting function of the device. Through the first spring 7 and the damper 8, it is convenient to reset the baffle 9. The baffle 9 buffers the movable block 4. Among them, the damper 8 can establish a resistance between the vibration source and the load, thereby reducing the amplitude and the speed of vibration transmission. Through the limit rod 11 and the second spring 12, it is convenient to limit the movable block 4 and the baffle 9, and at the same time facilitate damping the baffle 9, thereby enhancing the buffering effect on the movable block 4. Through the cooperation of the limit plate 13, the slider 14, the fixing plate 15, the second threaded rod 16 and the clamping block 17, it is convenient to clamp the housing 2 and the base 1, thereby facilitating the disassembly of the housing 2.

[0026] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "including a..." does not exclude the existence of additional identical elements in the process, method, article or device including the said element.

[0027] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A screw lifter with a buffer structure, comprising a base (1), characterized in that: Also includes: A housing (2) is arranged on the top of a base (1), and a lifting mechanism (3) is arranged inside the base (1); A movable block (4) is arranged inside the base (1), a limiting ring (5) for limiting the position of the lifting mechanism (3) is fixed on the inner wall of the movable block (4), a sleeve (6) arranged transversely is fixed on one side of the movable block (4), a first spring (7) and a damper (8) are respectively fixed on the inner wall of the base (1), a baffle (9) for limiting the position of the movable block (4) is fixed on one end of the first spring (7), and a connecting mechanism (10) is arranged on one side of the baffle (9).

2. The screw lifter with a buffer structure according to claim 1, characterized in that: The lifting mechanism (3) comprises a motor (31) which is arranged on one side of the base (1) and is installed transversely. A coupling (32) is fixed to the output end of the motor (31). A screw body (33) is fixed to one side of the coupling (32). The outer side of the screw body (33) is threadedly connected to the inner wall of the movable block (4).

3. The screw lifter with a buffer structure according to claim 1, characterized in that: The connection mechanism (10) comprises a first connection block (101) fixed to the inner wall of the base (1); the inner wall of the first connection block (101) is rotatably connected to a first connection rod (102) arranged transversely; one end of the first connection rod (102) is rotatably connected to a second connection rod (103); one end of the second connection rod (103) is rotatably connected to a second connection block (104); and one side of the second connection block (104) is fixedly connected to one side of the movable block (4).

4. The screw lifter with a buffer structure according to claim 1, characterized in that: A transversely arranged limiting rod (11) and a second spring (12) are fixed to the inner wall of the base (1), and one end of the second spring (12) is fixedly connected to one side of the movable block (4).

5. The screw lifter with a buffer structure according to claim 1, characterized in that: A limiting plate (13) is fixed to one side of the housing (2), and a sliding block (14) is slidably connected to the inner wall of the limiting plate (13).

6. The screw lifter with a buffer structure according to claim 1, characterized in that: A fixing plate (15) is fixed on the outer side of the base (1), a transversely arranged threaded rod (16) is fixed on the inner wall of the fixing plate (15), and a clamping block (17) is threadedly connected to the outer side of the threaded rod (16).

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