CN219299765U

CN219299765U - High-strength large-diameter shaft

Info

Publication number: CN219299765U
Application number: CN202223490857.5U
Authority: CN
Inventors: 吴玉莲; 吴建军
Original assignee: Jiangyin Chengdong Forging Co ltd
Current assignee: Jiangyin Chengdong Forging Co ltd
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-07-04
Anticipated expiration: 2032-12-27

Abstract

The utility model provides a high-strength large-diameter shaft, which relates to the technical field of diameter shafts and comprises the following components: the square clamping block, the inside fixedly connected with regulatory ring that square clamping block is close to center department, the inside activity of regulatory ring inlays and is equipped with the threaded rod, the top fixedly connected with regulating disk of threaded rod, the bottom fixedly connected with protruding semicircle of threaded rod, the inside equal fixedly connected with semicircle groove of square clamping block, a plurality of semicircle groove evenly distributed is in the inside both sides of square clamping block, a plurality of the inside swing joint of semicircle groove has L type iron piece, the inside swing joint of L type iron piece has the chuck, during the use, rotates the regulating disk for the regulating disk is at the inside rotation of regulatory ring, and protruding semicircle top is inside the recess simultaneously, and two L type iron pieces card are on one of them semicircle groove of both sides, and the rotation regulating disk makes square clamping block wholly rise, when driving two L type iron pieces and rising, two L type iron pieces card are on two draw-in grooves below the chuck.

Description

High-strength large-diameter shaft

Technical Field

The utility model relates to the technical field of diameter shafts, in particular to a high-strength large-diameter shaft.

Background

The shaft is a cylindrical object passing through the middle of the bearing or the middle of the wheel or the middle of the gear, but a small part of the shaft is square, the shaft is a mechanical part which supports the rotating part and rotates together with the rotating part to transmit motion, torque or bending moment, the shaft is generally in a metal round rod shape, each section can have different diameters, and the part which rotates in the machine is arranged on the shaft.

The prior patent number is: CN208719136U discloses a miniature axle with adjustable diameter, including the axis body, axis body internal thread connection has the threaded rod, and the tip fixed of threaded rod is provided with the hand portion of twisting, and the diameter that the threaded rod is close to hand portion one end is greater than the diameter of the other end, and the axis body includes axile board, first spring and screw hole, and through first spring elastic connection between two adjacent axile boards, the middle part cover of axis body external surface is equipped with the stop collar, and the stop collar includes oversheath, second spring and spacing arc, through second spring elastic connection between spacing arc and the oversheath. According to the utility model, the diameter of one end of the threaded rod, which is close to the screwing part, is larger than that of the other end of the threaded rod, so that when the diameter of the shaft body needs to be enlarged, the threaded rod can be rotated to the right side to enable the plurality of shaft plates to be far away from each other, the diameter of the shaft body can be enlarged, and when the diameter of the shaft body needs to be reduced, the threaded rod can be rotated to the left side to enable the plurality of shaft plates to be close to each other, and the diameter of the shaft body can be reduced.

Although the diameter of the shaft body is enlarged, when the diameter of the shaft body needs to be reduced, the threaded rod can be rotated to the left side, a plurality of shaft plates are close to each other, the diameter of the shaft body can be reduced in the use process, but the connection is enabled to be regulated in size in the adjustment process due to the fact that the spring is used in the threaded rod, the spring does not have stability in connection, and shaking and unstable connection can easily occur when the diameter shaft rotates at a high speed.

Disclosure of Invention

The utility model aims to solve the problems that springs in the prior art are not stable in connection, and potential safety hazards possibly exist due to shaking and unstable connection when a diameter shaft rotates at a high speed.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: a high strength large diameter shaft comprising: the square clamping block, the inside fixedly connected with regulatory ring that square clamping block is close to center department, the inside activity of regulatory ring inlays and is equipped with the threaded rod, the top fixedly connected with regulating plate of threaded rod, the bottom fixedly connected with protruding semicircle of threaded rod, the equal fixedly connected with semicircle groove in inside of square clamping block, a plurality of semicircle groove evenly distributed is in the inside both sides of square clamping block, a plurality of the inside swing joint in semicircle groove has L type iron piece, the inside swing joint in L type iron piece has the chuck.

As a preferred implementation mode, the top of chuck is seted up flutedly, protruding semicircle swing joint is at the surface of recess, the bottom that the chuck is close to both sides is all fixedly connected with draw-in groove, L type iron piece swing joint is at the surface of two draw-in grooves.

The technical effect of adopting the further scheme is as follows: the adjusting disk is rotated, so that the adjusting disk rotates inside the adjusting ring, meanwhile, the convex semi-dome is arranged inside the groove, and when two L-shaped iron blocks are driven to rise, the two L-shaped iron blocks are clamped on two clamping grooves below the chuck, so that the chuck is fixed with the convex semi-circle, the round shaft and the whole square clamping block are arranged inside the square clamping block through rotation of the adjusting ring, and the round shaft and the square clamping block are connected through rotation of the adjusting disk.

As a preferred implementation mode, the bottom of the chuck, which is close to the center, is fixedly connected with a round shaft, a spring is fixedly embedded in the round shaft, and one end of the spring is fixedly connected with a round cover.

The technical effect of adopting the further scheme is as follows: the round cover has a thrust outwards to enable the thread outer ring and the thread inner ring to be firmer, so that the short shaft is not easy to rotate.

As a preferable implementation mode, the opposite sides of the outer surface of the circular shaft are fixedly connected with convex holes, and the inner parts of the two convex holes are movably embedded with fixed short rods.

The technical effect of adopting the further scheme is as follows: the short fixing rod is pressed downwards through the convex hole and the clamping hole, so that the short shaft is fixed inside the round shaft.

As a preferable implementation mode, the outer surface of the inner wall of the circular shaft is provided with a threaded inner ring, and the bottom of the outer surface of the circular cap is movably connected with a short shaft.

The technical effect of adopting the further scheme is as follows: the short shaft is aligned with the round cover in the round shaft, pushed towards the direction of the round shaft and embedded into the round shaft.

As a preferable implementation mode, the outer surface of the short shaft is provided with a threaded outer ring, and the inner parts of the short shafts are provided with clamping holes.

The technical effect of adopting the further scheme is as follows: the clamping holes and the threaded inner rings are in thread shapes, so that the short shaft rotates to the inside of the round shaft, the short fixing rod is embedded into the clamping holes, so that the short shaft is fixed, and the short fixing rod is embedded into the clamping holes at different positions, so that the length of the whole device can be adjusted.

As a preferable implementation mode, the outer surface of the thread outer ring is movably connected with the inner surface of the thread inner ring, and a convex hole is formed in the round shaft.

The technical effect of adopting the further scheme is as follows: the clamping holes are formed in positions with different lengths, so that the length between the short shaft and the circular shaft can be adjusted, and the length can be adjusted to adapt to different use environments.

Compared with the prior art, the utility model has the advantages and positive effects that,

when the adjusting disc is used, the adjusting disc is rotated, the adjusting disc rotates in the adjusting ring, meanwhile, the convex semi-dome is arranged in the groove, the two L-shaped iron blocks are clamped on one semicircular groove at two sides, the square clamping block is integrally lifted by rotating the adjusting disc, the two L-shaped iron blocks are driven to lift, and meanwhile, the two L-shaped iron blocks are clamped on the two clamping grooves below the chuck, so that the chuck is fixed with the convex semi-circle, the round shaft and the whole square clamping block are installed in the square clamping block through rotation of the adjusting ring, when the round shaft is required to be dismounted, the round shaft can be dismounted only by rotating the adjusting disc in the opposite direction to enable the convex semi-circle to move upwards to be separated from the groove, and when the round shaft is too thin, the round shaft can be regulated in thickness only by clamping the semicircular grooves at the inner sides of the L-shaped iron blocks, and the round shaft with different thickness can be installed.

The utility model aims at the round cover in the round shaft by the short shaft, pushes the round cover to the direction of the round shaft and embeds the round cover in the round shaft. Then the short shaft is rotated, the short shaft is rotated to the inside of the circular shaft under the action of the thread outer ring and the thread inner ring inside the circular shaft, the circular cover has a pushing force outwards to enable the thread outer ring and the thread inner ring to be firmer, the short shaft is not easy to rotate, when the clamping hole is rotated to the lower part of the fixed short rod, the fixed short rod is pressed downwards to pass through the clamping hole through the convex hole, so that the short shaft is fixed in the inside of the circular shaft, and the clamp Kong Kaishe

The technical effect of adopting the further scheme is as follows: the length between the short shaft and the round shaft can be adjusted at the positions with different lengths, and the length can be adjusted to adapt to different lengths.

Drawings

FIG. 1 is a schematic view of the internal structure of a circular shaft of a high-strength large-diameter shaft provided by the utility model;

FIG. 2 is a schematic perspective view of a high strength large diameter shaft according to the present utility model;

FIG. 3 is a schematic top view of a high strength large diameter shaft according to the present utility model;

fig. 4 is a schematic front view of a high-strength large-diameter shaft according to the present utility model.

Legend description:

1. a circular shaft; 102. fixing the short rod; 103. a convex hole; 104. a threaded inner ring; 105. a spring; 106. a dome; 107. a clamping groove; 108. a groove; 109. a chuck; 2. a short shaft; 201. a clamping hole; 202. a threaded outer ring; 3. a square clamping block; 301. a semicircular groove; 302. an L-shaped iron block; 303. an adjusting plate; 304. an adjusting ring; 305. a convex semicircle; 306. a threaded rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: a high strength large diameter shaft comprising: the square fixture block 3, the inside fixedly connected with adjusting ring 304 of square fixture block 3 department near the center, the inside activity of adjusting ring 304 is inlayed and is equipped with threaded rod 306, the top fixedly connected with regulating disk 303 of threaded rod 306, the bottom fixedly connected with protruding semicircle 305 of threaded rod 306, the inside of square fixture block 3 is all fixedly connected with semicircle groove 301, a plurality of semicircle grooves 301 evenly distributed is in the inside both sides of square fixture block 3, the inside swing joint of a plurality of semicircle grooves 301 has L type iron piece 302, the inside swing joint of L type iron piece 302 has chuck 109, rotate regulating disk 303, make regulating disk 303 at the inside rotation of adjusting ring 304, circle axle 1 and whole square fixture block 3 are installed in the inside of square fixture block 3 through the rotation of adjusting ring 304, when circle axle 1 is too thin, only need to block the inside semicircle groove 301 with both sides L type iron piece 302 on can carry out thickness regulation, make can adapt to the circle axle 1 of different thickness and install.

As shown in fig. 1-4, the top of the chuck 109 is provided with a groove 108, a convex semicircle 305 is movably connected to the outer surface of the groove 108, the bottoms of the chuck 109, which are close to two sides, are fixedly connected with clamping grooves 107, an L-shaped iron block 302 is movably connected to the outer surfaces of the two clamping grooves 107, the adjusting disk 303 is rotated, so that the adjusting disk 303 rotates inside the adjusting ring 304, meanwhile, the convex semicircle 305 is propped inside the groove 108, the two L-shaped iron blocks 302 are clamped on the two clamping grooves 107 below the chuck 109 while driving the two L-shaped iron blocks 302 to rise, so that the chuck 109 is fixed with the convex semicircle 305, and the round shaft 1 and the whole square clamping block 3 are installed inside the square clamping block 3 through the rotation of the adjusting ring 304, so that the round shaft 1 and the square clamping block 3 are connected together through the rotation of the adjusting disk 303.

As shown in fig. 1-4, the bottom of the chuck 109 near the center is fixedly connected with a circular shaft 1, a spring 105 is fixedly embedded in the circular shaft 1, one end of the spring 105 is fixedly connected with a circular cap 106, and the circular cap 106 has a thrust outwards to enable the thread outer ring 202 and the thread inner ring 104 to be firmer, so that the short shaft 2 is not easily rotated.

As shown in fig. 1-4, two opposite sides of the outer surface of the circular shaft 1 are fixedly connected with convex holes 103, and the inside of each convex hole 103 is movably embedded with a fixed short rod 102, and the fixed short rods 102 are pressed downwards through the convex holes 103 and penetrate through the clamping holes 201 so that the short shaft 2 is fixed inside the circular shaft 1.

As shown in fig. 1-4, the outer surface of the inner wall of the circular shaft 1 is provided with a threaded inner ring 104, the bottom of the outer surface of the circular cap 106 is movably connected with a short shaft 2, the short shaft 2 is aligned with the circular cap 106 in the circular shaft 1, and is pushed towards the direction of the circular shaft 1 to be embedded in the circular shaft 1.

As shown in fig. 1-4, the outer surface of the short shaft 2 is provided with a threaded outer ring 202, the inside of the short shaft 2 is provided with clamping holes 201, the clamping holes 201 and the threaded inner ring 104 are in a threaded shape, so that the short shaft 2 rotates to the inside of the round shaft 1, the fixed short rod 102 is embedded into the inside of the clamping holes 201, so that the short shaft 2 is fixed, and the fixed short rod 102 is embedded into the clamping holes 201 at different positions, so that the length of the whole device can be adjusted.

As shown in fig. 1-4, the outer surface of the thread outer ring 202 is movably connected with the inner surface of the thread inner ring 104, the inside of the round shaft 1 is provided with a convex hole 103, and the clamping holes 201 are arranged at positions with different lengths, so that the length between the short shaft 2 and the round shaft 1 can be adjusted, and the length can be adjusted to adapt to different use environments.

Working principle: when the rotary adjusting disc 303 is used, the adjusting disc 303 rotates in the adjusting ring 304, meanwhile, the convex semicircle 305 is propped against the inside of the groove 108, the two L-shaped iron blocks 302 are clamped on one of the semicircular grooves 301 at two sides, the adjusting disc 303 rotates to enable the square clamping block 3 to integrally ascend, the two L-shaped iron blocks 302 are clamped on the two clamping grooves 107 below the chuck 109 when being driven to ascend, the chuck 109 is fixed with the convex semicircle 305, the round shaft 1 and the whole square clamping block 3 are arranged in the square clamping block 3 through the rotation of the adjusting ring 304, when the rotary adjusting disc 303 is required to be disassembled, the convex semicircle 305 is required to move upwards to be separated from the groove 108, the round shaft 1 can be disassembled, and when the round shaft 1 is too thin, the round shaft 1 can be adjusted in thickness only by clamping the semicircular grooves 301 at the inner sides of the L-shaped iron blocks 302, so that the round shaft 1 with different thicknesses can be assembled. The short shaft 2 is aligned with the cap 106 inside the circular shaft 1, pushed in the direction of the circular shaft 1, and fitted inside the circular shaft 1. Then rotate minor axis 2, make minor axis 2 by rotating to the inside of circle 1 under the inside screw thread inner race 104 effect of screw thread outer lane 202 and circle 1, dome 106 outwards has a thrust to make screw thread outer lane 202 and screw thread inner race 104 more firm for minor axis 2 is difficult by rotating, when card hole 201 is rotated to fixed short rod 102 below, pass card hole 201 with fixed short rod 102 downwardly pressing through protruding hole 103 and make minor axis 2 be fixed in the inside of circle 1, the position at different length is offered in card hole 201, make can adjust the length between minor axis 2 and the circle 1, can adjust the length adaptation different service environment.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims

1. A high strength large diameter shaft, comprising: square fixture block (3), fang Kakuai (3) are close to inside fixedly connected with adjusting ring (304) of center department, the inside activity of adjusting ring (304) is inlayed and is equipped with threaded rod (306), the top fixedly connected with adjusting disk (303) of threaded rod (306), the bottom fixedly connected with protruding semicircle (305) of threaded rod (306), the inside of Fang Kakuai (3) is all fixedly connected with semicircle groove (301), a plurality of semicircle groove (301) evenly distributed is in Fang Kakuai (3) inside both sides, a plurality of the inside swing joint of semicircle groove (301) has L type iron piece (302), the inside swing joint of L type iron piece (302) has chuck (109).

2. A high strength large diameter shaft as defined in claim 1, wherein: the top of chuck (109) has seted up recess (108), protruding semicircle (305) swing joint is at the surface of recess (108), the bottom that chuck (109) are close to both sides is all fixedly connected with draw-in groove (107), L type iron plate (302) swing joint is at the surface of two draw-in grooves (107).

3. A high strength large diameter shaft as defined in claim 1, wherein: the bottom of chuck (109) near center department is fixedly connected with circle axle (1), the inside of circle axle (1) is fixedly inlayed and is equipped with spring (105), the one end fixedly connected with dome (106) of spring (105).

4. A high strength large diameter shaft as defined in claim 3, wherein: the two ends of the outer surface of the circular shaft (1) are fixedly connected with convex holes (103), and the two convex holes (103) are movably embedded with fixed short rods (102).

5. A high strength large diameter shaft as defined in claim 3, wherein: the outer surface of the inner wall of the round shaft (1) is provided with a threaded inner ring (104), and the bottom of the outer surface of the round cover (106) is movably connected with a short shaft (2).

6. A high strength large diameter shaft as defined in claim 5, wherein: the outer surface of the short shaft (2) is provided with a thread outer ring (202), and the inside of the short shaft (2) is provided with clamping holes (201).

7. A high strength large diameter shaft as defined in claim 6, wherein: the outer surface of the thread outer ring (202) is movably connected with the inner surface of the thread inner ring (104), and a convex hole (103) is formed in the circular shaft (1).