CN111637214A

CN111637214A - Improved gear shaft

Info

Publication number: CN111637214A
Application number: CN202010550303.6A
Authority: CN
Inventors: 储田生
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-16
Filing date: 2020-06-16
Publication date: 2020-09-08

Abstract

The invention relates to an improved gear shaft, which comprises a splicing gear, a shaft lever and a locking assembly, wherein the locking assembly is arranged inside the shaft lever, the splicing gear is sequentially sleeved on the outer wall of the shaft lever, the splicing gear and the shaft lever are locked through the locking assembly, a connecting round hole is formed in the center of the inside of the splicing gear, trapezoidal linkage grooves are symmetrically formed in the inner wall of the connecting round hole, a triangular locking groove is formed in the joint of the inner wall of the connecting round hole and the locking assembly, an installation groove is formed in the middle section of the shaft lever, rotating holes are symmetrically formed in the two side walls of the installation groove, a fan-shaped groove is formed in the joint of one end face of the shaft lever and the rotating holes, and thread positioning grooves are symmetrically formed in the two ends of the inner wall of the fan-shaped groove The axial direction is locked, and the motion synchronism of the splicing gear and the shaft lever is ensured.

Description

Improved gear shaft

Technical Field

The invention relates to the technical field of gear shafts, in particular to an improved gear shaft.

Background

Gear shaft refers to a mechanical part that supports and rotates with a rotating part to transmit motion, torque, or bending moment. Typically in the form of a metal rod, each section may have a different diameter. The parts rotating in the machine are mounted on the shaft, and the shaft can be divided into a crankshaft and a straight shaft according to the shape of the shaft line. According to the bearing condition of the shaft, the device can be divided into a rotating shaft, a mandrel and a transmission shaft.

The improved gear shaft in the current market has the following problems in the use process, that a, because most of the existing gear shafts adopt an integrated casting design, when part of the gear shaft is damaged, the whole gear shaft is scrapped, so that the utilization rate of other intact parts of the gear shaft is low, and the gear width can not be regulated and controlled according to actual requirements; b. for a partially combined gear shaft, the connection stability between the gear and the shaft rod is not enough, so that the movement of the shaft rod and the gear cannot be synchronized when the gear shaft works for a long time, and the gear shaft cannot normally run.

Disclosure of Invention

In order to solve the above problems, the present invention provides an improved gear shaft which can solve the problems set forth in the above background art.

In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose: an improved gear shaft comprises a splicing gear, a shaft rod and a locking assembly, wherein the locking assembly is installed inside the shaft rod, the splicing gear is sequentially sleeved on the outer wall of the shaft rod, and the splicing gear and the shaft rod are locked through the locking assembly;

a connecting circular hole is formed in the center of the inner part of the splicing gear, trapezoidal linkage grooves are symmetrically formed in the inner wall of the connecting circular hole, and a triangular locking groove is formed at the connecting part of the inner wall of the connecting circular hole and the locking assembly;

the middle section of the shaft lever is provided with a mounting groove, two side walls of the mounting groove are symmetrically provided with rotating holes, a fan-shaped groove is formed at the joint of one end surface of the shaft lever and the rotating holes, two ends of the inner wall of the fan-shaped groove are symmetrically provided with threaded positioning grooves, the outer wall of the shaft lever is symmetrically welded with trapezoidal linkage blocks, and the trapezoidal linkage blocks and the trapezoidal linkage grooves are in a matched structure;

the locking assembly comprises a rotary rod, a rectangular bar, an installation block, an inserting hole, a rectangular hole, a spacing groove, a triangular locking block, a fixed plate and a locking bolt, the rotary rod is inserted in the rotary hole, the fixed plate is welded to the one end of the rotary rod, the inner wall of the fan-shaped groove is hugged closely to the fixed plate, the locking bolt is installed at the inside of the fixed plate at equal intervals, the locking bolt is of a matched structure with the thread positioning groove, a square groove is formed in the outer wall of the rotary rod and in the region of the installation groove, the rectangular bar is inserted in the inside of the square groove, the inserting hole is formed in one end of the installation block, the installation block is sleeved on the outer wall of the rotary rod through the inserting hole, the rectangular hole is formed in one side of the inserting hole and the joint of.

Furthermore, a thread locking hole is formed in the splicing gear, and a locking threaded rod is arranged in the thread locking hole.

Furthermore, the distance between the triangular locking grooves in the two adjacent splicing gears is equal to the width of the spacing groove.

Furthermore, the outer wall of the rotating rod and the positions of the two sides of the rectangular strip are both provided with threaded tooth grooves, and limiting units are installed on the outer sides of the threaded tooth grooves in a matched mode.

Further, the limiting unit comprises a first semicircular limiting block, a second semicircular limiting block, a connecting bolt and a connecting thread, the first semicircular limiting block and the second semicircular limiting block are fixedly connected through the connecting bolt, the connecting thread is arranged on the inner wall of the first semicircular limiting block and the inner wall of the second semicircular limiting block, and the connecting thread and the thread tooth groove are of a matched structure.

Further, an arc groove is formed in one side wall of the first semicircular limiting block and one side wall of the second semicircular limiting block, and a ball is mounted inside the arc groove.

The invention has the beneficial effects that:

1. according to the improved gear shaft, any component in the gear shaft can be disassembled and assembled, when one part of the gear shaft is damaged, the whole device is disassembled, and the corresponding damaged part is replaced to complete maintenance, so that the utilization rate of the undamaged part is effectively guaranteed, the service life of the gear shaft is effectively prolonged, meanwhile, the gear is assembled in a splicing mode, the width of the gear can be adjusted according to the actual requirement of a connecting piece, and the practicability is higher.

2. According to the improved gear shaft, the positions of the spliced gear and the shaft rod are limited through the locking assembly, the triangular locking block is adopted as the locking block in the locking assembly, and a certain included angle is formed between two bevel edges of the triangular locking block, so that after the triangular locking block enters the triangular locking groove, the circumferential position of the spliced gear is completely locked, and the axial position of the spliced gear is locked, so that the spliced gear and the shaft rod move synchronously.

3. According to the improved gear shaft, the locking threaded rods are arranged among the splicing gears, the splicing gears are tightly connected under the matching of the locking threaded rods and the thread locking holes, no gap exists, and the splicing gears are more stable when running.

4. According to the improved gear shaft, the fiber unit is arranged on the outer wall of the rotating rod, and the circumferential position of the rotating rod is limited through the limiting unit, so that the rotating rod cannot axially displace in the rotating hole, namely the position of the triangular locking block is fixed, and the triangular locking block can be conveniently and manually locked in the triangular locking groove.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a sectional view of the overall structure of the present invention in a locked state;

FIG. 2 is a sectional view of the overall structure of the present invention in an unlocked state;

FIG. 3 is a sectional view of the spliced gear of the present invention in a spliced state;

FIG. 4 is a perspective view of the shaft of the present invention;

FIG. 5 is a cross-sectional view of the mounting block of the present invention;

FIG. 6 is a cross-sectional view of a rotary lever of the present invention;

fig. 7 is a schematic view of the overall structure of the spacing unit of the present invention.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

As shown in fig. 1 to 7, an improved gear shaft comprises a splicing gear 1, a shaft rod 2 and a locking assembly 3, wherein the locking assembly 3 is installed inside the shaft rod 2, the outer wall of the shaft rod 2 is sequentially sleeved with the splicing gear 1, and the splicing gear 1 and the shaft rod 2 are locked by the locking assembly 3, when the gear shaft works specifically, firstly, an installation block 33 is placed in an installation groove 21, one end of a rectangular strip 32 is inserted into a rectangular hole 35, then a rotary rod 31 is inserted into a rotary hole 22 from one end provided with a fan-shaped groove 23, a square groove formed in the outer wall of the rotary rod 31 is sleeved at the other end of the rectangular strip 32, then a limiting unit 3b is installed on the outer wall of the rotary rod 31, and finally, a connecting circular hole 11 and a trapezoidal linkage groove 13 inside the splicing gear 1 are respectively aligned with the outer wall of the shaft rod 2 and a trapezoidal linkage block 25, and a plurality of the splicing gear 1 is sleeved on the, the installation of the invention can be completed, and any part in the invention can be disassembled, thus when a certain part is damaged, the corresponding part can be replaced, and the utilization rate of the undamaged part is effectively improved;

a connecting circular hole 11 is formed in the center of the inner part of the splicing gear 1, trapezoidal linkage grooves 13 are symmetrically formed in the inner wall of the connecting circular hole 11, and a triangular locking groove 12 is formed at the joint of the inner wall of the connecting circular hole 11 and the locking assembly 3;

the middle section of the shaft lever 2 is provided with a mounting groove 21, two side walls of the mounting groove 21 are symmetrically provided with rotating holes 22, a fan-shaped groove 23 is formed at the joint of one end surface of the shaft lever 2 and the rotating holes 22, two ends of the inner wall of the fan-shaped groove 23 are symmetrically provided with thread positioning grooves 24, trapezoidal linkage blocks 25 are symmetrically welded on the outer wall of the shaft lever 2, the trapezoidal linkage blocks 25 and the trapezoidal linkage grooves 13 are in a matched structure, and when the shaft lever 2 is driven to rotate by a driving mechanism, the shaft lever 2 can drive the spliced gear 1 to rotate together under the matching of the trapezoidal linkage blocks 25 and the trapezoidal linkage grooves 13;

the locking assembly 3 comprises a rotating rod 31, a rectangular strip 32, a mounting block 33, an inserting hole 34, a rectangular hole 35, spacing grooves 36, triangular locking blocks 37, a fixing plate 38 and locking bolts 39, the rotating rod 31 is inserted in the rotating hole 22, one end of the rotating rod 31 is welded with the fixing plate 38, the fixing plate 38 is tightly attached to the inner wall of the fan-shaped groove 23, the locking bolts 39 are installed in the fixing plate 38 at equal intervals, the locking bolts 39 and the thread positioning grooves 24 are of a matched structure, a square groove is formed in the outer wall of the rotating rod 31 and in the region of the mounting groove 21, the rectangular strip 32 is inserted in the square groove, one end of the mounting block 33 is provided with the inserting hole 34, the mounting block 33 is sleeved on the outer wall of the rotating rod 31 through the inserting hole 34, the rectangular hole 35 is formed at the joint of one side of the inserting hole 34 and the rectangular strip 32, the triangular locking block 37 is welded at the other end of the mounting, during the specific operation, after the present invention is installed, the fixing plate 38 is manually broken, so that the fixing plate 38 deflects from one side of the sector groove 23 to the other side wall of the sector groove 23, when the fixing plate 38 deflects, the fixing plate 38 drives the rotating rod 31 to rotate in unison, the rotating rod 31 is rotated to drive the triangular locking block 37 to rotate, so that the triangular locking block 37 enters the triangular locking groove 12, finally, the locking bolt 39 is rotated by a wrench, so that the locking bolt 39 is screwed into the thread positioning groove 24, the position of the rotating rod 31 is locked by the cooperation between the thread positioning groove 24 and the locking bolt 39, because the section of the triangular locking block 37 is a triangular structure, after the triangular locking block 37 enters the triangular locking groove 12, the splicing gear 1 can not rotate clockwise and circumferentially relative to the shaft lever 2 by the limit of two inclined surfaces of the triangular locking block 37, and anticlockwise circumferential rotation does not occur, namely the splicing gears 1 and the shaft lever 2 are combined into a whole, the motion states are synchronous, and in the locking process, the number of the splicing gears 1 is matched with the number of the splicing gears 1 according to the requirement of the actual trial width.

Two are adjacent interval between the inside triangle locking groove 12 of concatenation gear 1 is big as the width of interval groove 36, and when triangle locking block 37 entered into triangle locking groove 12, triangle locking block 37's both sides wall hugs closely just at the both sides wall of triangle locking groove 12, carries out preliminary location through triangle locking block 37 to the axial position of concatenation gear 1 promptly.

The splicing gear comprises a splicing gear 1 and is characterized in that a thread locking hole 1a is formed in the splicing gear 1, a locking threaded rod 1b is installed in the thread locking hole 1a, after the positions of a plurality of splicing gears 1 sleeved on the outer wall of a shaft rod 2 are locked, the locking threaded rod 1b is manually aligned with the thread locking hole 1a, and the locking threaded rod 1b is rotated through a wrench, so that the locking threaded rod 1b is screwed into the thread locking hole 1a, the plurality of splicing gears 1 are tightly connected together through the matching of the thread locking hole 1a and the locking threaded rod 1b, the axial positions of the plurality of splicing gears 1 are further locked, and when the splicing gear 1 is in operation, the plurality of splicing gears 1 cannot be loosened.

The outer wall of the rotating rod 31 and the positions on the two sides of the rectangular strip 32 are both provided with threaded tooth grooves 3a, and the outer sides of the threaded tooth grooves 3a are provided with limit units 3b in a matched mode.

The limiting unit 3b comprises a first semicircular limiting block 3b1, a second semicircular limiting block 3b2, a connecting bolt 3b3 and a connecting thread 3b4, the first semicircular limiting block 3b1 and the second semicircular limiting block 3b2 are fixedly connected through the connecting bolt 3b3, the inner walls of the first semicircular limiting block 3b1 and the second semicircular limiting block 3b2 are provided with the connecting thread 3b4, the connecting thread 3b4 and the thread tooth groove 3a are of a matched structure, in specific work, the first semicircular limiting block 3b1 and the second semicircular limiting block 3b2 are manually attached to the outer wall of the shaft rod 2, the attaching position is located in a gap between the thread tooth groove 3a and the rectangular strip 32, the first semicircular limiting block 3b1 and the second semicircular limiting block 3b2 are locked together through the connecting bolt 3b3, finally, the two side walls of the first semicircular limiting block 3b1 and the second semicircular limiting block 3b2 are manually rotated, and the first semicircular limiting block 3b1 and the second semicircular limiting block 21 of the semicircular limiting block 3b are tightly attached to the mounting groove 21 of the In this way, the circumferential position of the rotating rod 31 is limited by the limiting unit 3b, so that the rotating rod 31 is not displaced in the axial direction in the rotating hole 22.

Circular arc groove 41 has all been seted up to a lateral wall of first semicircle stopper 3b1 and second semicircle stopper 3b2, the internally mounted of circular arc groove 41 has ball 42, when rotating the in-process of first semicircle stopper 3b1 and second semicircle stopper 3b2 messenger's displacement to the both sides wall of mounting groove 21, ball 42 directly hugs closely at the both sides wall of mounting groove 21, like this, the manual work is breaking the in-process that fixed plate 38 drove rotary rod 31 pivoted, reducible first semicircle stopper 3b1 and second semicircle stopper 3b2 and the mounting groove 21 between the both sides wall frictional force, thereby reduce the wearing and tearing of first semicircle stopper 3b1 and second semicircle stopper 3b2 lateral wall.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An improved gear shaft, includes concatenation gear (1), axostylus axostyle (2) and locking Assembly (3), its characterized in that: the locking assembly (3) is installed inside the shaft lever (2), the splicing gear (1) is sequentially sleeved on the outer wall of the shaft lever (2), and the splicing gear (1) and the shaft lever (2) are locked through the locking assembly (3);

a connecting circular hole (11) is formed in the center of the inner part of the splicing gear (1), trapezoidal linkage grooves (13) are symmetrically formed in the inner wall of the connecting circular hole (11), and a triangular locking groove (12) is formed in the connecting position of the inner wall of the connecting circular hole (11) and the locking assembly (3);

the middle section of the shaft lever (2) is provided with a mounting groove (21), two side walls of the mounting groove (21) are symmetrically provided with rotating holes (22), a fan-shaped groove (23) is formed at the joint of one end surface of the shaft lever (2) and the rotating holes (22), two ends of the inner wall of the fan-shaped groove (23) are symmetrically provided with threaded positioning grooves (24), the outer wall of the shaft lever (2) is symmetrically welded with trapezoidal linkage blocks (25), and the trapezoidal linkage blocks (25) and the trapezoidal linkage grooves (13) are in a matched structure;

the locking assembly (3) comprises a rotating rod (31), rectangular strips (32), an installation block (33), insertion holes (34), rectangular holes (35), spacing grooves (36), triangular locking blocks (37), a fixing plate (38) and locking bolts (39), wherein the rotating rod (31) is inserted in the rotating holes (22), the fixing plate (38) is welded at one end of the rotating rod (31), the fixing plate (38) is tightly attached to the inner wall of the fan-shaped groove (23), the locking bolts (39) are installed in the fixing plate (38) at equal intervals, the locking bolts (39) and the thread positioning grooves (24) are of a matched structure, square grooves are formed in the outer wall of the rotating rod (31) and the area, located in the installation groove (21), the rectangular strips (32) are inserted in the square grooves, the insertion holes (34) are formed in one end of the installation block (33), and the installation block (33) is sleeved on the outer wall of the rotating rod (31) through the insertion holes, rectangular holes (35) are formed in the connecting positions of one sides of the inserting holes (34) and the rectangular strips (32), triangular locking blocks (37) are welded to the other ends of the mounting blocks (33), and spacing grooves (36) are formed in the triangular locking blocks (37) at equal intervals.

2. An improved gear shaft according to claim 1, wherein: the splicing gear is characterized in that a thread locking hole (1a) is formed in the splicing gear (1), and a locking threaded rod (1b) is arranged in the thread locking hole (1 a).

3. An improved gear shaft according to claim 1, wherein: the distance between the triangular locking grooves (12) in the two adjacent splicing gears (1) is equal to the width of the spacing groove (36).

4. An improved gear shaft according to claim 1, wherein: the outer wall of rotary rod (31) and the both sides position that is located rectangle strip (32) all are provided with screw thread tooth's socket (3a), and the outside cooperation installation limit unit (3b) of screw thread tooth's socket (3 a).

5. An improved gear shaft according to claim 4, wherein: spacing unit (3b) include first semicircle stopper (3b1), second semicircle stopper (3b2), connecting bolt (3b3) and connecting thread (3b4), it is fixed to connect through connecting bolt (3b3) between first semicircle stopper (3b1) and the second semicircle stopper (3b2), connecting thread (3b4) have all been seted up to the inner wall of first semicircle stopper (3b1) and second semicircle stopper (3b2), and connecting thread (3b4) are the cooperation structure with screw thread tooth's socket (3 a).

6. An improved gear shaft according to claim 5, wherein: arc groove (41) have all been seted up to a lateral wall of first semicircle stopper (3b1) and second semicircle stopper (3b2), and the internally mounted of arc groove (41) has ball (42).