Lead screw nut with detachable reverser structure

Abstract

The utility model relates to the technical field of transmission, and discloses a feed screw nut with a detachable reverser structure, which comprises an upper feed screw nut and a lower feed screw nut, and a fixing component is arranged on the side wall of the upper feed screw nut. According to the feed screw nut of the detachable reverser structure, the whole feed screw nut can be easily detached into a plurality of components, cleaning, inspection and maintenance are facilitated, normal operation of a system is ensured, a communicating pipeline is filled with balls, ball grooves formed in the reverser body, the upper feed screw nut body and the lower feed screw nut body are filled with the balls, and the service life of the reverser body is prolonged. The design of the rotatable reverser body allows the filling amount of the balls to be accurately controlled, it is ensured that the ball grooves are properly filled, excessive or insufficient filling is avoided, when the reverser body moves to the position above the communication pipeline, the magnetic part attracts the magnetic ring, limiting of the reverser body is achieved, automatic positioning and locking of the reverser body are achieved, and the service life of the reverser body is prolonged. And accurate alignment of the reactor body is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of transmission, in particular to a screw nut with a detachable reverser structure. Background Technique

[0002] At present, the screw rod structure is widely used in all walks of life, especially in the transmission structures of some equipment. In order to ensure the reusability of the screw rod structure, a reverser in the screw nut is required to ensure the cyclic operation of the internal ball bearings. However, generally, an additional fixing structure is needed to help fix the reverser, which is not only troublesome to disassemble and assemble, but also increases the mass of the entire screw nut, adding additional material and processing costs.

[0003] According to the publicly announced screw nut with a detachable reverser structure (publication number: CN213685167U), the above application includes a screw nut main body. Slots are respectively provided at the upper and lower ends of the screw nut main body, and a reverser is detachably clamped in the slots. A ball channel is provided in the screw nut main body, and a bent channel is provided in the reverser. Both ends of the bent channel are aligned and communicated with the spiral groove and the ball channel of the screw nut main body respectively.

[0004] However, in the actual use process of the above screw nut, the reverser is arranged inside the screw nut, and accumulated dust and oil accumulate in the narrow space around the reverser. Since it is difficult to directly access the internal structure, it is difficult to remove the dust and oil. In view of this, we have proposed a screw nut with a detachable reverser structure. Content of the Utility Model

[0005] The purpose of the utility model is to provide a screw nut with a detachable reverser structure to solve the problems raised in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A screw nut with a detachable reverser structure, including an upper screw nut, the bottom of the upper screw nut is movably connected with a lower screw nut, and a fixing component is arranged on the side wall of the upper screw nut. The fixing component includes:

[0007] A connecting piece, a slide rail is opened on the side wall of the upper screw nut, the slide rail is slidably connected with the connecting piece, a limiting plate is fixedly connected to the end face of the connecting piece, and one end of the connecting piece away from the limiting plate is fixedly connected with an end cover through a bolt;

[0008] A reverser body, a slide plate is slidably connected to the top of the upper screw nut, a rotating seat is fixedly connected to the top of the slide plate, the inner wall of the rotating seat is rotatably connected with the reverser body, and a fixing plate is fixedly connected to one end of the reverser body away from the rotating seat;

[0009] Magnetic part, a magnetic ring is movably connected to the inner wall of the slide plate. The magnetic ring is magnetically connected to the magnetic part. The magnetic part is sleeved on the fixing plate. A resilient telescopic rod is fixedly connected to the inner top surface of the magnetic part, and the bottom end surface of the resilient telescopic rod is fixedly connected to the fixing plate.

[0010] Preferably, a limiting ring is fixedly connected to one end of the upper lead screw nut close to the end cover, and a limiting ring is fixedly connected to one end of the lower lead screw nut close to the end cover. The limiting ring is sleeved on the end cover.

[0011] Preferably, the limiting plate abuts against the upper lead screw nut. A slide rail is provided on the side wall of the lower lead screw nut. The slide rail is slidably connected to the connecting part. The limiting plate abuts against the lower lead screw nut. The upper lead screw nut and the lower lead screw nut are connected together by the connecting part. The end cover abuts against the side wall of the upper lead screw nut.

[0012] Preferably, a threaded groove is provided on the top end surface of the fixing plate, and a threaded groove is provided on the top end surface of the slide plate. The slide plate and the fixing plate are fixedly connected by bolts to fix the inverter body on the top of the slide plate.

[0013] Preferably, a communicating pipe is provided on the top end surface of the slide plate. The number of the communicating pipes is two groups. The two groups of communicating pipes respectively correspond to the two ends of the inverter body. The two groups of communicating pipes are respectively connected to the two ends of the ball grooves provided in the upper lead screw nut and the lower lead screw nut.

[0014] Preferably, a baffle is rotatably connected to the rear side of the upper lead screw nut. The baffle is sleeved with a bolt, and the bolt is threadedly connected to the slide plate, thereby fixing the slide plate on the upper lead screw nut.

[0015] Compared with the prior art, the present utility model provides a lead screw nut with a detachable inverter structure, which has the following beneficial effects:

[0016] 1. For the lead screw nut with the detachable inverter structure, through the arranged connecting part, slide plate, fixing plate, magnetic ring and magnetic part, the whole lead screw nut can be easily disassembled into several components, which is convenient for cleaning, inspection and maintenance to ensure the normal operation of the system. Fill the balls into the communicating pipe, and then fill the balls into the ball grooves provided in the inverter body, the upper lead screw nut and the lower lead screw nut. When filling the balls, the end of the inverter body far from the rotating seat is blocked by the slide plate, effectively preventing the leakage of the balls. The design of the rotatable inverter body allows precise control of the filling amount of the balls to ensure that the ball grooves are properly filled, avoiding overfilling or underfilling. When the inverter body moves above the communicating pipe, the magnetic part attracts the magnetic ring to make the magnetic ring insert into the fixing plate. At this time, the inverter body cannot be rotated continuously, realizing the limitation of the inverter body, achieving the automatic positioning and locking of the inverter body, and ensuring the precise alignment of the reactor body.

[0017] 2. The lead screw nut of the detachable reverser structure guides the end cap through the provided limit ring. When the limit ring is inserted into the end cap, the axis of the end cap coincides with the axis of the lead screw nut, improving the assembly accuracy and consistency, reducing eccentricity and vibration during operation, and enhancing the stability and precision of the system. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic diagram of the main structure of the present utility model;

[0019] Figure 2 is an exploded view of the main body of the present utility model;

[0020] Figure 3 is a schematic diagram of the connecting member structure of the present utility model;

[0021] Figure 4 is a schematic diagram of the rear view structure of the slide plate of the present utility model;

[0022] Figure 5 of the present utility model Figure 4 is a schematic diagram of the structure of area A;

[0023] Figure 6 is a schematic diagram of the upper lead screw nut structure of the present utility model;

[0024] Figure 7 is a schematic diagram of the cross-sectional structure of the slide plate of the present utility model;

[0025] Figure 8 of the present utility model Figure 7 is a schematic diagram of the structure of area B.

[0026] In the figure: 1. Upper lead screw nut; 2. Lower lead screw nut; 3. Slide rail; 4. Connecting member; 5. Limit plate; 6. End cap; 7. Limit ring; 8. Slide plate; 9. Rotating seat; 10. Reverser body; 11. Fixed plate; 12. Magnetic ring; 13. Magnetic part; 14. Elastic telescopic rod; 15. Baffle. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0027] As Figures 1 - 8 shown, the present utility model provides a technical solution: a lead screw nut with a detachable reverser structure, including an upper lead screw nut 1. The bottom of the upper lead screw nut 1 is movably connected to a lower lead screw nut 2. A fixing assembly is provided on the side wall of the upper lead screw nut 1. The fixing assembly includes a slide rail 3, a connecting member 4, a limit plate 5, an end cap 6, a limit ring 7, a slide plate 8, a rotating seat 9, a reverser body 10, a fixed plate 11, a magnetic ring 12, a magnetic part 13, an elastic telescopic rod 14, and a baffle 15.

[0028] In an embodiment of the present utility model, a sliding rail 3 is provided on the side wall of the upper lead screw nut 1. A connecting member 4 is slidably connected to the sliding rail 3. A limiting plate 5 is fixedly connected to the end face of the connecting member 4. One end of the connecting member 4 away from the limiting plate 5 is fixedly connected to the end cover 6 by a bolt. The limiting plate 5 abuts against the upper lead screw nut 1. A sliding rail 3 is provided on the side wall of the lower lead screw nut 2. The sliding rail 3 is slidably connected to the connecting member 4. The limiting plate 5 abuts against the lower lead screw nut 2. The upper lead screw nut 1 and the lower lead screw nut 2 are connected together by the connecting member 4. The end cover 6 abuts against the side wall of the upper lead screw nut 1. A limiting ring 7 is fixedly connected to one end of the upper lead screw nut 1 close to the end cover 6. A limiting ring 7 is fixedly connected to one end of the lower lead screw nut 2 close to the end cover 6. The limiting ring 7 is sleeved on the end cover 6.

[0029] A sliding plate 8 is slidably connected to the top of the upper lead screw nut 1. A baffle 15 is rotatably connected to the rear side of the upper lead screw nut 1. A bolt is sleeved on the baffle 15. The bolt is threadedly connected to the sliding plate 8, thereby fixing the sliding plate 8 on the upper lead screw nut 1. A rotating seat 9 is fixedly connected to the top of the sliding plate 8. A reversing body 10 is rotatably connected to the inner wall of the rotating seat 9. A communicating pipe is provided on the top end face of the sliding plate 8. The number of the communicating pipes is set to two groups. The two groups of communicating pipes respectively correspond to the two ends of the ball grooves provided in the upper lead screw nut 1 and the lower lead screw nut 2. The two groups of communicating pipes are respectively connected to the two ends of the ball grooves provided in the upper lead screw nut 1 and the lower lead screw nut 2.

[0030] One end of the reversing body 10 away from the rotating seat 9 is fixedly connected to a fixing plate 11. A threaded groove is provided on the top end face of the fixing plate 11. A threaded groove is provided on the top end face of the sliding plate 8. The sliding plate 8 and the fixing plate 11 are fixedly connected by a bolt, fixing the reversing body 10 on the top of the sliding plate 8. A magnetic ring 12 is movably connected to the inner wall of the sliding plate 8. The magnetic ring 12 is magnetically connected to a magnetic member 13. The magnetic member 13 is sleeved on the fixing plate 11. An elastic telescopic rod 14 is fixedly connected to the inner top surface of the magnetic member 13. The bottom end face of the elastic telescopic rod 14 is fixedly connected to the fixing plate 11.

[0031] Insert the connecting member 4 into the sliding rails 3 on the sides of the upper lead screw nut 1 and the lower lead screw nut 2 to fix the upper lead screw nut 1 and the lower lead screw nut 2 together. Then, fix the end cover 6 on the connecting member 4 by a bolt to realize the fixation of the upper lead screw nut 1 and the lower lead screw nut 2. Insert the sliding plate 8 and fixedly connect the baffle 15 and the sliding plate 8 by a bolt, so that the whole lead screw nut can be easily disassembled into several components, which is convenient for cleaning, inspection and maintenance to ensure the normal operation of the system.

[0032] Rotate the reverser body 10 to expose the connecting pipe on the slide rail 3. At this time, fill the connecting pipe with balls, and then fill the ball grooves opened in the reverser body 10, the upper lead screw nut 1, and the lower lead screw nut 2 with balls. Then rotate the reverser body 10 in the reverse direction. When the reverser body 10 moves above the connecting pipe, the magnetic part 13 attracts the magnetic ring 12, causing the magnetic ring 12 to insert into the fixing plate 11. At this time, the reverser body 10 cannot be rotated continuously, realizing the limit of the reverser body 10. Then reinforce the connection between the slide plate 8 and the fixing plate 11 with bolts to prevent accidental movement of the reverser body 10. When it is necessary to disassemble the reverser body 10, push the magnetic part 13 to make the magnetic ring 12 move downward and cancel the insertion with the fixing plate 11. The design of the rotatable reverser body 10 allows precise control of the filling amount of the balls, ensuring that the ball grooves are properly filled and avoiding overfilling or underfilling. When filling the balls, the end of the reverser body 10 away from the rotating seat 9 is blocked by the slide plate 8, effectively preventing the leakage of the balls.

[0033] In addition, a limiting ring 7 is fixedly connected to one end of the upper lead screw nut 1 close to the end cover 6, and a limiting ring 7 is fixedly connected to one end of the lower lead screw nut 2 close to the end cover 6. The limiting ring 7 is sleeved with the end cover 6, and the limiting ring 7 guides the end cover 6. When the limiting ring 7 is inserted into the end cover 6, the axis of the end cover 6 coincides with the axis of the lead screw nut, improving the accuracy and consistency of the assembly, reducing eccentricity and vibration during operation, and improving the stability and precision of the system.

[0034] In the present utility model, during use, the connecting piece 4 is inserted into the slide rail 3 on the sides of the upper lead screw nut 1 and the lower lead screw nut 2, the limiting ring 7 is sleeved with the end cover 6, the end cover 6 is fixed to the connecting piece 4 with bolts, the slide plate 8 is inserted, the baffle 15 is fixedly connected to the slide plate 8 with bolts, the reverser body 10 is rotated to expose the connecting pipe on the slide rail 3, the connecting pipe is filled with balls, the ball grooves opened in the reverser body 10, the upper lead screw nut 1, and the lower lead screw nut 2 are filled with balls, then the reverser body 10 is rotated in the reverse direction. When the reverser body 10 moves above the connecting pipe, the magnetic part 13 attracts the magnetic ring 12, causing the magnetic ring 12 to insert into the fixing plate 11, and the connection between the slide plate 8 and the fixing plate 11 is reinforced with bolts.

[0035] The above has generally described the present utility model in detail. However, based on the present utility model, some modifications or improvements can be made, which are obvious to those of ordinary skill in the art. Therefore, modifications or improvements made without departing from the spirit of the present utility model are within the protection scope of the present utility model.

Claims

1. A screw nut with a detachable reverser structure, comprising an upper screw nut (1), wherein the bottom of the upper screw nut (1) is movably connected to a lower screw nut (2), characterized in that: The side wall of the upper screw nut (1) is provided with a fixing component, and the fixing component comprises: A connecting member (4), a side wall of the upper screw nut (1) is provided with a slide rail (3), the slide rail (3) is slidably connected to the connecting member (4), the end surface of the connecting member (4) is fixedly connected to a limit plate (5), and one end of the connecting member (4) away from the limit plate (5) is fixedly connected to an end cover (6) via a bolt; A reverser body (10), the top of the upper screw nut (1) is slidably connected to a slide plate (8), the top of the slide plate (8) is fixedly connected to a rotating seat (9), the inner wall of the rotating seat (9) is rotatably connected to the reverser body (10), and one end of the reverser body (10) away from the rotating seat (9) is fixedly connected to a fixing plate (11); A magnetic member (13), the inner wall of the slide plate (8) is movably connected to a magnetic ring (12), the magnetic ring (12) is magnetically connected to the magnetic member (13), the magnetic member (13) is sleeved with a fixed plate (11), the inner top surface of the magnetic member (13) is fixedly connected to an elastic telescopic rod (14), and the bottom end surface of the elastic telescopic rod (14) is fixedly connected to the fixed plate (11).

2. The screw nut of the detachable reverser structure according to claim 1, characterized in that: One end of the upper screw nut (1) close to the end cover (6) is fixedly connected to a limiting ring (7), and one end of the lower screw nut (2) close to the end cover (6) is fixedly connected to the limiting ring (7), and the limiting ring (7) is sleeved with the end cover (6).

3. The screw nut of the detachable reverser structure according to claim 1, characterized in that: The limit plate (5) abuts against the upper screw nut (1), the side wall of the lower screw nut (2) is provided with a slide rail (3), the slide rail (3) is slidably connected to the connecting piece (4), the limit plate (5) abuts against the lower screw nut (2), the upper screw nut (1) and the lower screw nut (2) are connected together through the connecting piece (4), and the end cover (6) abuts against the side wall of the upper screw nut (1).

4. The screw nut of the detachable reverser structure according to claim 1, characterized in that: The top end surface of the fixing plate (11) is provided with a thread groove, the top end surface of the sliding plate (8) is provided with a thread groove, and the sliding plate (8) and the fixing plate (11) are fixedly connected by bolts.

5. The screw nut of the detachable reverser structure according to claim 1, characterized in that: A connecting pipe is provided on the top end surface of the slide plate (8), and the connecting pipe is provided in two groups. The two groups of connecting pipes correspond to the two ends of the reverser body (10) respectively, and the two groups of connecting pipes are connected to the two ends of the ball groove provided in the upper screw nut (1) and the lower screw nut (2) respectively.

6. The lead screw nut of a detachable reverser structure according to claim 1, characterized in that: The rear side of the upper screw nut (1) is rotatably connected to a baffle (15), and the baffle (15) is sleeved with a bolt, and the bolt is threadedly connected to the slide plate (8).

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