Threaded locking lifting mechanism

Abstract

The utility model relates to a thread type locking lifting mechanism. The technical problems that an existing manual locking mode is low in efficiency, and the phenomenon that tightening is not conducted or too much tightening is caused are solved. Comprising an upper fixing plate and a lower fixing plate which correspond to each other up and down and are arranged in parallel, a lifting seat body is arranged between the upper fixing plate and the lower fixing plate, a lifting assembly is arranged between the lifting seat body and the upper fixing plate or the lower fixing plate, and vertically-arranged guide columns are arranged between the corresponding same ends of the upper fixing plate and the lower fixing plate correspondingly; movable shells are arranged at the two ends of the lifting seat body respectively, and nut locking structures capable of enabling the lifting seat body to keep counter-acting force with the lifting assembly are arranged in the movable shells. The lifting device has the advantages that the lifting assembly is used for controlling the up-down lifting action of the lifting seat body, meanwhile, the nut locking mechanism is matched to apply acting force to the lifting seat body, the lifting seat body is subjected to the acting force of the lifting assembly and the nut locking mechanism at the same time, and therefore the fixed state is ensured, and the locking action of the lifting seat body is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of locking and lifting equipment, and particularly relates to a threaded locking and lifting mechanism. Background Technique

[0002] A locking mechanism is an independent device that maintains a static state. It usually consists of a locked component, a locking piece, a frame, etc., and is used to fix an object at any position to provide stability. The existing locking mechanisms generally perform locking actions manually or with the help of other auxiliary tools. Since the manual locking method is relatively slow and the force is not uniform enough, there may be phenomena such as not being tightened or being tightened too much, which poses certain potential safety hazards. Summary of the Invention

[0003] The purpose of the utility model is to solve the above problems and provide a threaded locking and lifting mechanism.

[0004] To achieve the above purpose, the utility model adopts the following technical scheme: A threaded locking and lifting mechanism includes an upper fixing plate and a lower fixing plate that are arranged corresponding to each other and parallel to each other up and down. A lifting seat body is movably arranged between the upper fixing plate and the lower fixing plate, and a lifting assembly capable of driving the lifting seat body to lift up and down is arranged between the lifting seat body and the upper fixing plate or the lower fixing plate. Vertical guide columns are respectively arranged between the corresponding same ends of the upper fixing plate and the lower fixing plate. Moving shells slidably connected to the guide columns are respectively arranged at both ends of the lifting seat body, and a nut locking structure capable of enabling the lifting seat body to maintain a reaction force opposite to that of the lifting assembly is arranged in the moving shells. The mutual cooperation of the nut locking structure and the lifting assembly locks the lifting seat body, with a simple structure, ensuring the overall stability and safety.

[0005] In the above-mentioned threaded locking and lifting mechanism, the lifting assembly is a worm gear screw jack, and the lifting assembly is arranged between the lifting seat body and the lower fixing plate. The lifting seat body realizes the ascending or descending movement through the lifting assembly.

[0006] In the above-mentioned threaded locking and lifting mechanism, the lifting assembly includes an installation platform arranged in the middle of the upper end of the lower fixing plate. A through hole axially penetrating is arranged on the installation platform. A lifting seat is arranged at the upper end of the installation platform. A lifting screw rod vertically movably penetrating through the through hole and penetrating the lower fixing plate is arranged on the lifting seat. A lifting worm gear sleeved on the circumferential outer side of the lifting screw rod and threadedly connected to the lifting screw rod is arranged in the lifting seat. The upper end of the lifting screw rod is connected to the lower end of the lifting seat body through a screw flange, and a lifting motor connected to the lifting worm gear is connected to one side of the lifting seat.

[0007] In the above-mentioned screw-type locking lifting mechanism, an installation cavity is provided inside the movable housing. A movable bottom plate is provided at the lower end of the movable housing, a movable top plate is provided at the upper end of the movable housing, movable side plates are respectively provided on both sides of the movable housing, a connecting plate connected to the lifting seat body is provided on one side of the movable housing close to the lifting seat body, and an opening connected to the installation cavity is provided on the side of the movable housing away from the connecting plate. The movable housing is connected to the lifting seat body through the connecting plate.

[0008] In the above-mentioned screw-type locking lifting mechanism, a top plate hole corresponding to the guide post is provided on the inner circumference of the movable top plate, a bottom plate hole is provided on the inner circumference of the movable bottom plate, a bottom plate boss is provided on the outer circumference of the upper end of the bottom plate hole, a bottom plate extension column corresponding to the bottom plate boss is provided at the lower end of the bottom plate hole, and a reinforcing plate connected to the movable bottom plate is provided on one side of the bottom plate extension column.

[0009] In the above-mentioned screw-type locking lifting mechanism, the nut locking structure includes a guide sleeve sleeved on the guide post. A guide flange is provided at the lower end of the guide sleeve, and the guide flange abuts against the end of the lower fixing plate. The guide sleeve moves inside the inner circumference of the bottom plate hole. The diameter of the bottom plate hole is larger than that of the top plate hole, and a nut locking assembly connected to the guide sleeve is provided at the upper end of the movable bottom plate.

[0010] In the above-mentioned screw-type locking lifting mechanism, the nut locking assembly includes a locking housing provided at the end of the movable bottom plate away from the movable housing. A locking cavity is provided inside the locking housing, a first locking gear is provided inside the locking cavity, a locking motor connected to the first locking gear is provided at the upper end of the locking housing, and a second locking gear matching the first locking gear is provided on the outer side of the guide sleeve. The first locking gear is connected to the locking motor, the first locking gear meshes with the second locking gear, and when the first locking gear rotates, the second locking gear is driven to rotate.

[0011] In the above-mentioned screw-type locking lifting mechanism, internal threads are provided on the inner circumference of the guide sleeve, external threads meshing with the internal threads are provided on the outer circumference of the guide post, and the second locking gear is fixedly connected to the guide sleeve. When the second locking gear starts to rotate, the guide sleeve rotates accordingly. The guide sleeve is threadedly connected to the guide post, so that the guide sleeve starts to move up and down.

[0012] In the above-mentioned screw-type locking lifting mechanism, openings connected to the locking cavity are respectively provided on both sides of the locking housing. The outer side of the first locking gear extends to the outside of the locking housing through the opening close to one end, the outer side of the second locking gear extends to the outside of the movable housing through the opening, and the first locking gear meshes with the second locking gear.

[0013] In the above-mentioned screw-type locking lifting mechanism, a connecting hole connected to the locking cavity is provided on the inner side of the upper end of the locking housing in the circumferential direction. The first locking gear is arranged in the locking cavity. The first locking gear is connected to the locking motor through a connecting shaft, and the connecting shaft is located in the connecting hole.

[0014] Compared with the existing technology, the advantages of the present utility model are as follows:

[0015] 1. The device controls the up and down lifting movement of the lifting seat body through the lifting component, and at the same time cooperates with the nut locking mechanism to apply a force to the lifting seat body. The lifting seat body is simultaneously affected by the lifting component and the nut locking mechanism, thereby ensuring the fixed state and realizing the locking action of the lifting seat body.

[0016] 2. The device uses the locking gear and the guide sleeve to realize the locking action, with a simple structure and convenient operation. The lifting seat body can be fixed at any position, and at the same time, the safety and stability are ensured. Description of the Drawings

[0017] Figure 1 It is a schematic structural diagram of the present utility model.

[0018] Figure 2 It is an exploded view of the structure of the lower fixing plate and the lifting component of the present utility model.

[0019] Figure 3 It is a schematic structural diagram of the movable housing of the present utility model.

[0020] Figure 4 It is a schematic structural diagram of the movable housing from another perspective of the present utility model.

[0021] Figure 5 It is a schematic structural diagram of the guide sleeve of the present utility model.

[0022] Figure 6 It is a schematic structural diagram of the first locking gear and the locking motor of the present utility model.

[0023] In the figure: upper fixing plate 1, lower fixing plate 11, lifting seat body 12, guide post 13, lifting component 2, installation table 21, through hole 22, lifting seat 23, lifting lead screw 24, lifting worm 25, lead screw flange 26, lifting motor 27, movable housing 3, installation cavity 31, movable bottom plate 32, movable top plate 33, movable side plate 34, connecting plate 35, top plate hole 36, bottom plate hole 37, bottom plate boss 38, bottom plate extension column 39, reinforcing plate 40, nut locking structure 4, guide sleeve 41, guide flange 42, nut locking assembly 5, locking housing 51, locking cavity 52, first locking gear 53, locking motor 54, second locking gear 55, connecting hole 56, connecting shaft 57. Detailed implementation mode

[0024] The present utility model will be further described in detail below in conjunction with the accompanying drawings and specific implementation modes.

[0025] As Figures 1-6 shown, a threaded locking lifting mechanism includes an upper fixing plate 1 and a lower fixing plate 11 which are arranged corresponding to each other up and down and parallel to each other. A lifting seat body 12 is movably arranged between the upper fixing plate 1 and the lower fixing plate 11. And a lifting assembly 2 capable of driving the lifting seat body 12 to lift up and down is arranged between the lifting seat body 12 and the upper fixing plate 1 or the lower fixing plate 11. Vertical guide columns 13 are respectively arranged between the same ends of the upper fixing plate 1 and the lower fixing plate 11 corresponding to each other. Moving shells 3 slidably connected with the guide columns 13 are respectively arranged at both ends of the lifting seat body 12. And a nut locking structure 4 capable of enabling the lifting seat body 12 to maintain a reaction force opposite to that of the lifting assembly 2 is arranged in the moving shell 3. The mutual cooperation between the nut locking structure 4 and the lifting assembly 2 locks the lifting seat body 12, with a simple structure, ensuring the overall stability and safety.

[0026] Combined with Figure 1 and Figure 2 shown, the lifting assembly 2 is a worm gear screw lift, and the lifting assembly 2 is arranged between the lifting seat body 12 and the lower fixing plate 11. The lifting seat body 12 realizes the actions of rising or falling through the lifting assembly 2.

[0027] Among them, the lifting assembly 2 includes a mounting table 21 arranged in the middle of the upper end of the lower fixing plate 11. A through hole 22 axially penetrating is arranged on the mounting table 21. A lifting seat 23 is arranged at the upper end of the mounting table 21. A lifting screw rod 24 vertically movably penetrating through the through hole 22 and penetrating through the lower fixing plate 11 is arranged on the lifting seat 23. And a lifting worm gear 25 sleeved on the circumferential outer side of the lifting screw rod 24 and threadedly connected with the lifting screw rod 24 is arranged in the lifting seat 23. The upper end of the lifting screw rod 24 is connected with the lower end of the lifting seat body 12 through a screw rod flange 26. And a lifting motor 27 connected with the lifting worm gear 25 is connected to one side of the lifting seat 23.

[0028] Combined with Figure 3 and Figure 4 shown, an installation cavity 31 is provided in the moving shell 3. A moving bottom plate 32 is arranged at the lower end of the moving shell 3. A moving top plate 33 is arranged at the upper end of the moving shell 3. Moving side plates 34 are respectively arranged on both sides of the moving shell 3. A connecting plate 35 connected with the lifting seat body 12 is arranged on one side of the moving shell 3 close to the lifting seat body 12. An opening connected with the installation cavity 31 is arranged on one side of the moving shell 3 far away from the connecting plate 35. The moving shell 3 is connected with the lifting seat body 12 through the connecting plate 35.

[0029] Among them, the inner circumference of the movable top plate 33 is provided with a top plate hole 36 corresponding to the guide post 13, the inner circumference of the movable bottom plate 32 is provided with a bottom plate hole 37, the outer circumference of the upper end of the bottom plate hole 37 is provided with a bottom plate boss 38, the lower end of the bottom plate hole 37 is provided with a bottom plate extension column 39 corresponding to the bottom plate boss 38, and a reinforcing plate 40 connected to the movable bottom plate 32 is provided on one side of the bottom plate extension column 39.

[0030] Combined with Figure 3 、 Figure 5 and Figure 6 As shown, the nut locking structure 4 includes a guide sleeve 41 sleeved on the guide post 13. A guide flange 42 is provided at the lower end of the guide sleeve 41. The guide flange 42 abuts against the end of the lower fixing plate 11. The guide sleeve 41 moves inside the inner circumference of the bottom plate hole 37. The diameter of the bottom plate hole 37 is larger than the diameter of the top plate hole 36, and a nut locking assembly 5 connected to the guide sleeve 41 is provided at the upper end of the movable bottom plate 32.

[0031] Among them, the nut locking assembly 5 includes a locking housing 51 provided at one end of the movable bottom plate 32 away from the movable housing 3. A locking cavity 52 is provided inside the locking housing 51. A first locking gear 53 is provided inside the locking cavity 52. A locking motor 54 connected to the first locking gear 53 is provided at the upper end of the locking housing 51. A second locking gear 55 matching the first locking gear 53 is provided on the outer side of the guide sleeve 41. The first locking gear 53 is connected to the locking motor 54, the first locking gear 53 meshes with the second locking gear 55, and when the first locking gear 53 rotates, the second locking gear 55 is driven to rotate.

[0032] Specifically, internal threads are provided on the inner circumference of the guide sleeve 41, external threads meshing with the internal threads are provided on the outer circumference of the guide post 13, and the second locking gear 55 is fixedly connected to the guide sleeve 41. When the second locking gear 55 starts to rotate, the guide sleeve 41 rotates accordingly. The guide sleeve 41 is threadedly connected to the guide post 13, so that the guide sleeve 41 starts to move up and down.

[0033] Furthermore, openings connected to the locking cavity 52 are respectively provided on both sides of the locking housing 51. The outer side of the first locking gear 53 extends to the outside of the locking housing 51 through the opening near one end, the outer side of the second locking gear 55 extends to the outside of the movable housing 3 through the opening, and the first locking gear 53 meshes with the second locking gear 55.

[0034] Even further, a connection hole 56 connected to the locking cavity 52 is provided on the inner circumference of the upper end of the locking housing 51. The first locking gear 53 is provided inside the locking cavity 52. The first locking gear 53 is connected to the locking motor 54 through a connecting shaft 57, and the connecting shaft 57 is located inside the connection hole 56.

[0035] The principle of this embodiment is as follows:

[0036] When the lifting assembly 2 drives the lifting seat body 12 to operate, the lifting motor 27 drives the lifting worm gear 25 to rotate. Under the operation of the lifting worm gear 25, the lifting lead screw 24 drives the lifting seat body 12 to rise or fall. When the required position is reached, the locking motor 54 drives the first locking gear 53. The first locking gear 53 meshes with the second locking gear 55, and the second locking gear 55 is fixedly connected to the guide sleeve 41. Then the lifting seat body 12 moves downward under the drive of the guide sleeve 41, so that the lifting seat body 12 is locked and any further movement is prevented at the same time.

[0037] The specific embodiments described herein are merely illustrative of the spirit of the present invention. Those skilled in the art to which the present invention pertains can make various modifications or supplements to the described specific embodiments or use similar ways to replace them, but will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

[0038] Although terms such as upper fixing plate 1, lower fixing plate 11, lifting seat body 12, guide post 13, lifting assembly 2, mounting table 21, through hole 22, lifting seat 23, lifting lead screw 24, lifting worm gear 25, lead screw flange 26, lifting motor 27, movable housing 3, mounting cavity 31, movable bottom plate 32, movable top plate 33, movable side plate 34, connecting plate 35, top plate hole 36, bottom plate hole 37, bottom plate boss 38, bottom plate extension column 39, reinforcing plate 40, nut locking structure 4, guide sleeve 41, guide flange 42, nut locking assembly 5, locking housing 51, locking cavity 52, first locking gear 53, locking motor 54, second locking gear 55, connecting hole 56, connecting shaft 57 are used more in this article, the possibility of using other terms is not excluded. Using these terms is only for more conveniently describing and explaining the essence of the present invention; interpreting them as any additional limitation is contrary to the spirit of the present invention.

Claims

1. A threaded locking lifting mechanism, comprising an upper fixing plate (1) and a lower fixing plate (11) which are arranged corresponding to each other up and down and parallel to each other, a lifting seat body (12) is movably arranged between the upper fixing plate (1) and the lower fixing plate (11), and a lifting assembly (2) capable of driving the lifting seat body (12) to lift up and down is arranged between the lifting seat body (12) and the upper fixing plate (1) or the lower fixing plate (11), characterized in that, Vertical guide columns (13) are respectively provided between the corresponding same ends of the upper fixed plate (1) and the lower fixed plate (11). The two ends of the lifting seat body (12) are respectively provided with movable shells (3) slidably connected to the guide columns (13), and a nut locking structure (4) capable of enabling the lifting seat body (12) to maintain a reaction force opposite to that of the lifting assembly (2) is arranged in the movable shell (3).

2. The threaded locking lifting mechanism according to claim 1, characterized in that, The lifting assembly (2) is a worm gear screw jack, and the lifting assembly (2) is arranged between the lifting seat body (12) and the lower fixed plate (11).

3. The threaded locking lifting mechanism according to claim 2, characterized in that, The lifting assembly (2) includes a mounting table (21) arranged in the middle of the upper end of the lower fixed plate (11). A through hole (22) axially penetrating is provided on the mounting table (21). A lifting seat (23) is arranged at the upper end of the mounting table (21). A lifting screw rod (24) vertically movably penetrating through the through hole (22) and penetrating through the lower fixed plate (11) is arranged on the lifting seat (23). A lifting worm gear (25) sleeved on the circumferential outer side of the lifting screw rod (24) and threadedly connected to the lifting screw rod (24) is arranged in the lifting seat (23). The upper end of the lifting screw rod (24) is connected to the lower end of the lifting seat body (12) through a screw flange (26), and a lifting motor (27) connected to the lifting worm gear (25) is connected to one side of the lifting seat (23).

4. A threaded locking lifting mechanism according to claim 1 or 2 or 3, characterized in that, An installation cavity (31) is formed in the movable shell (3). A movable bottom plate (32) is arranged at the lower end of the movable shell (3). A movable top plate (33) is arranged at the upper end of the movable shell (3). Movable side plates (34) are respectively arranged on both sides of the movable shell (3). A connecting plate (35) connected to the lifting seat body (12) is arranged on one side of the movable shell (3) close to the lifting seat body (12). An opening connected to the installation cavity (31) is arranged on one side of the movable shell (3) away from the connecting plate (35).

5. A threaded locking lifting mechanism according to claim 4, characterized in that, A top plate hole (36) corresponding to the guide column (13) is arranged on the circumferential inner side of the movable top plate (33). A bottom plate hole (37) is arranged on the circumferential inner side of the movable bottom plate (32). A bottom plate boss (38) is arranged on the circumferential outer side of the upper end of the bottom plate hole (37). A bottom plate extension column (39) corresponding to the bottom plate boss (38) is arranged at the lower end of the bottom plate hole (37). A reinforcing plate (40) connected to the movable bottom plate (32) is arranged on one side of the bottom plate extension column (39).

6. The threaded locking lifting mechanism according to claim 5, wherein, The nut locking structure (4) includes a guide sleeve (41) sleeved on the guide column (13). A guide flange plate (42) is arranged at the lower end of the guide sleeve (41). The guide flange plate (42) abuts against the end of the lower fixed plate (11). The guide sleeve (41) moves inside the circumferential inner side of the bottom plate hole (37). The diameter of the bottom plate hole (37) is larger than that of the top plate hole (36). A nut locking assembly (5) connected to the guide sleeve (41) is arranged at the upper end of the movable bottom plate (32).

7. A threaded locking lifting mechanism according to claim 6, characterized in that, The described nut locking assembly (5) includes a locking housing (51) provided at one end of the movable bottom plate (32) away from the movable housing (3). A locking cavity (52) is provided inside the locking housing (51). A first locking gear (53) is provided inside the locking cavity (52). A locking motor (54) connected to the first locking gear (53) is provided at the upper end of the locking housing (51). A second locking gear (55) matching the first locking gear (53) is provided on the outer side of the guide sleeve (41).

8. A threaded locking lifting mechanism according to claim 7, characterized in that, Internal threads are provided on the inner circumference of the guide sleeve (41). External threads meshing with the internal threads are provided on the outer circumference of the guide post (13). The second locking gear (55) is fixedly connected to the guide sleeve (41).

9. A threaded locking lifting mechanism according to claim 7, wherein Openings connected to the locking cavity (52) are respectively provided on both sides of the locking housing (51). The outer side of the first locking gear (53) extends to the outside of the locking housing (51) through the opening near one end. The outer side of the second locking gear (55) extends to the outside of the movable housing (3) through the opening. The first locking gear (53) meshes with the second locking gear (55).

10. A threaded locking lifting mechanism according to claim 7, characterized in that, A connection hole (56) connected to the locking cavity (52) is provided on the inner circumference of the upper end of the locking housing (51). The first locking gear (53) is arranged inside the locking cavity (52). The first locking gear (53) is connected to the locking motor (54) through a connection shaft (57). The connection shaft (57) is located inside the connection hole (56).

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