CN210327260U

CN210327260U - Novel motor threaded shaft

Info

Publication number: CN210327260U
Application number: CN201921283701.5U
Authority: CN
Inventors: 钟木生; 李志强; 苏国平
Original assignee: Dongguan Yuankaixin Precision Technology Co ltd
Current assignee: Dongguan Yuankaixin Precision Technology Co ltd
Priority date: 2019-08-09
Filing date: 2019-08-09
Publication date: 2020-04-14
Anticipated expiration: 2029-08-09

Abstract

The utility model discloses a novel motor threaded shaft, its structure is including installing the axle, spacing pipe, screw thread fixed axle and fixing bolt, the utility model discloses a set up the screw thread axle into integrated configuration, through installing the axle, spacing pipe and screw thread fixed axle carry out the aggregate erection, spacing pipe inserts to installing the inside right-hand member of axle, the screw thread fixed axle stretches into to spacing intraductal through installing the axle left end, lock installation axle and screw thread fixed axle through the bolt, and be provided with buckle structure in spacing intraductal, the screw thread fixed axle is when installing, stretch into to spacing intraductal and carry out the lock joint with the buckle, after spacing pipe carries out the lock joint with the buckle, fixed orifices and fixing bolt on the screw thread fixed axle right-hand member extension board carry out to it, reached conveniently change the screw thread axle, and fixed convenient beneficial effect.

Description

Novel motor threaded shaft

Technical Field

The utility model relates to a threaded shaft technical field, concretely relates to novel motor threaded shaft.

Background

At present, the motor shaft commonly used on the motor is directly pressed into a central hole of the rotor after rough machining, the bearing installation parts at two ends of the motor shaft are machined to ensure the jumping quantity of the motor shaft after pressing, and the bearing installation parts at two ends of the motor shaft are machined. The threaded shaft is inconvenient to replace.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome prior art not enough, present a novel motor screw thread axle, solved the epaxial screw thread of prior art screw under the long-time high-speed rotatory condition, produce smooth silk phenomenon easily, cause the screw thread axle to damage, nevertheless because screw thread axle one end inserts and rotates in the rotor of motor, the inconvenient problem of changing the screw thread axle has reached the convenience and has changed the screw thread axle, and fixed convenient beneficial effect.

(II) technical scheme

The utility model discloses a following technical scheme realizes: the utility model provides a novel motor threaded shaft, including installation axle, spacing pipe, screw thread fixed axle and fixing bolt, installation axle top left side carries out threaded connection with fixing bolt, the installation axle is hollow form, and spacing pipe stretches into the installation axle through installation axle right-hand member, spacing pipe and installation axle are welded each other, the screw thread fixed axle stretches into in the spacing pipe through installation axle left end, fixing bolt runs through installation axle and screw thread fixed axle and carries out the screw thread lock solid, spacing pipe comprises intubate, backup pad, buckle, recess, spring and straight-bar, intubate right-hand member welds with the backup pad, the intubate is inside both sides are all seted up flutedly around, the straight-bar bottom stretches into in the recess, and the straight-bar bottom carries out elastic connection through spring and intubate, straight-bar top welding has a buckle, the intubate stretches into to installing the axle in through the right-hand member, and backup pad and installation axle right-hand member weld each other.

Further, the screw thread fixed axle comprises screwed joint, sleeve pipe, extension board, fixed orifices and spacing hole, screwed joint right-hand member border department welds each other with the sleeve pipe, screwed joint right-hand member middle part welds each other with the extension board, the vertical fixed orifices that is provided with in extension board middle part, spacing hole has all been seted up to both sides around the extension board, the extension board stretches into to spacing intraductal through installation axle left end, and the extension board carries out the lock joint through spacing hole and the buckle of both sides around, the sleeve pipe cup joints at installation axle outside left end, fixing bolt is vertical to run through the fixed orifices, and fixing bolt and extension board carry out threaded connection.

Further, the buckle is semi-spherical, and the cambered surface is towards the inside of intubate.

Furthermore, a limiting plate is arranged at the bottom end of the straight rod, and the width of the limiting plate is larger than the outer diameter of the through hole connected with the insertion tube.

Further, fixed orifices and spacing hole are the equidistance straight line setting, and spacing fixed back of pipe between buckle and the fixing bolt apart from the same with the distance in fixed orifices and spacing hole.

Furthermore, the inner wall of the sleeve is attached to the outer side of the mounting shaft.

Further, the sum of the lengths of the straight rod and the buckle and the length of the contracted spring is smaller than the height of the groove.

Further, the spring is a compression spring.

Furthermore, the support plate and the insertion tube are made of stainless steel.

(III) advantageous effects

Compared with the prior art, the utility model, following beneficial effect has:

in order to solve the problem that the thread on the threaded shaft is easy to generate thread slipping phenomenon to cause damage of the threaded shaft under the condition of long-time high-speed rotation, but the problem that the threaded shaft is inconvenient to replace because one end of the threaded shaft is connected into a rotor of a motor to rotate is solved, the threaded shaft is arranged into a combined structure, the combined installation is carried out through an installation shaft, a limiting pipe and a threaded fixing shaft, the limiting pipe is inserted into the right end inside the installation shaft, the threaded fixing shaft extends into the limiting pipe through the left end of the installation shaft, the installation shaft and the threaded fixing shaft are locked through a bolt, a buckle structure is arranged in the limiting pipe, the threaded fixing shaft extends into the limiting pipe to be buckled with the buckle when being installed, after the limiting pipe is buckled with the buckle, a fixing hole on a support plate at the right end of the threaded fixing shaft and the fixing bolt carry out the, and the fixing is convenient.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a top view of the structure of the limiting tube of the present invention;

FIG. 3 is a schematic view of the buckle structure of the present invention;

fig. 4 is a schematic structural view of the threaded shaft of the present invention;

fig. 5 is a schematic view of the threaded shaft mounting structure of the present invention.

In the figure: the device comprises a mounting shaft-1, a limiting pipe-2, a threaded fixing shaft-3, a fixing bolt-4, an insertion pipe-21, a support plate-22, a buckle-23, a groove-24, a spring-25, a straight rod-26, a threaded fixing shaft-3, a threaded connector-31, a sleeve-32, a support plate-33, a fixing hole-34 and a limiting hole-35.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the present invention provides a novel motor threaded shaft: the device comprises an installation shaft 1, a limiting pipe 2, a thread fixing shaft 3 and a fixing bolt 4, wherein the left side of the top end of the installation shaft 1 is in threaded connection with the fixing bolt 4, the installation shaft 1 is hollow, the limiting pipe 2 extends into the installation shaft 1 through the right end of the installation shaft 1, the limiting pipe 2 and the installation shaft 1 are welded with each other, the thread fixing shaft 3 extends into the limiting pipe 2 through the left end of the installation shaft 1, the fixing bolt 4 penetrates through the installation shaft 1 and the thread fixing shaft 3 to be in thread locking, the limiting pipe 2 comprises an insertion pipe 21, a support plate 22, a buckle 23, a groove 24, a spring 25 and a straight rod 26, the right end of the insertion pipe 21 is welded with the support plate 22, the front side and the rear side of the inside of the insertion pipe 21 are respectively provided with the groove 24, the bottom end of the straight rod 26 extends into the groove 24, the bottom of the straight rod 26 is in elastic connection, and the support plate 22 and the right end of the mounting shaft 1 are welded to each other.

The threaded fixing shaft 3 is composed of a threaded joint 31, a sleeve 32, a support plate 33, a fixing hole 34 and a limiting hole 35, the edge of the right end of the threaded joint 31 is welded with the sleeve 32, the middle of the right end of the threaded joint 31 is welded with the support plate 33, the middle of the support plate 33 is vertically provided with the fixing hole 34, the front side and the rear side of the support plate 33 are respectively provided with the limiting hole 35, the support plate 33 extends into the limiting pipe 2 through the left end of the mounting shaft 1, the support plate 33 is buckled with the buckle 23 through the limiting holes 35 on the front side and the rear side, the sleeve 32 is sleeved at the left end of the outer side of the mounting shaft 1, the fixing bolt 4 vertically penetrates through the fixing hole 34, and the fixing bolt 4 is in.

The buckle 23 is in a semi-spherical shape, and the cambered surface faces the inside of the insertion tube 21, so that outward thrust is generated when the support plate 33 extrudes the buckle 23.

Wherein, the straight-bar 26 bottom is provided with a limiting plate, and the limiting plate width is greater than the external diameter of the through-hole department that straight-bar 26 and intubate 21 are connected, is favorable to restricting the displacement of straight-bar 26, avoids spring 25 to release straight tube 26.

Wherein, fixed orifices 34 and spacing hole 35 are the equidistance straight line setting, and spacing pipe 2 fixed back buckle 23 and the distance between fixing bolt 4 is the same with fixed orifices 34 and spacing hole 35's distance, are favorable to making spacing hole 35 on the extension board 33 and buckle 23 lock joint back, and fixed orifices 34 and fixing bolt 4 are to it, and the fixing bolt 4 of being convenient for runs through fixed orifices 34 and fixes extension board 33.

Wherein, the laminating of sleeve pipe 32 inner wall and installation axle 1 outside is favorable to increasing the fixed effect of screw thread fixed axle 3, avoids the extension board 33 in the screw thread fixed axle 3 to cause the fracture easily.

The sum of the lengths of the straight rod 26 and the buckle 23 and the length of the contracted spring 25 is smaller than the height of the groove 24, so that the buckle 23 can extend into the groove 24 after extruding the spring 25, and the influence of the buckle 23 on the movement of the support plate 33 is avoided.

The spring 25 is a compression spring, has a good supporting effect and is not easy to damage.

The support plate 33 and the insertion tube 21 are made of stainless steel.

According to the upper table know the utility model discloses the material of extension board 33 and intubate 21 all adopts the stainless steel, has the hardness height, not fragile advantage.

This patent spring 25 adopt compression spring, and compression spring bears the coil spring to pressure, and the material cross-section that it used is mostly circular, also useful rectangle and stranded steel entangle and roll up, and the spring generally is equidistant, and compression spring's shape has: the compression spring is cylindrical, conical, convex and concave, and a small number of non-circular shapes, and the like, a certain gap is reserved between the rings of the compression spring, and the compression spring contracts and deforms when subjected to external load, so that deformation energy is stored.

The working principle is as follows: before use, the motor shaft is firstly required to be installed, the right end of the installation shaft 1 is installed in a rotor in the motor, then the right end of the installation shaft 1 is locked with an external rotating part through threads on the outer side of the threaded joint 31, and the installation can be completed, when the motor shaft is used, the external part is driven to rotate through the threaded shaft by power generated by the rotor in the motor, as the threads on the threaded shaft are easy to generate thread slipping phenomenon under the condition of long-time high-speed rotation, the threaded shaft is damaged, and then the thread shaft is required to be replaced after being damaged, when the motor shaft is replaced, the fixing bolt 4 is firstly rotated anticlockwise through a screwdriver, the fixing of the fixing bolt 4 and the support plate 33 is disconnected, then the thread fixing shaft 3 is pulled out for replacement, a new thread fixing shaft 3 is inserted into the installation shaft 1, the support plate 33 is inserted into the insertion pipe 21, the support plate 33 extrud, and the cambered surface faces the inside of the insertion tube 21, so that outward thrust is generated when the support plate 33 extrudes the buckle 23, the buckle 23 extrudes the spring 25 through the connected straight rod 26 to shrink into the groove 24, the support plate 33 is pushed, when the limiting holes 35 on the front side and the rear side of the support plate 33 enter the buckle 23, elastic left and right force is generated through the spring 25, the buckle 23 is pushed out through the straight rod 26, the buckle 23 is inserted into the limiting hole 35 of the support plate 33, the position of the support plate 33 is limited, because the fixing holes 34 and the limiting holes 35 are arranged in an equidistant straight line, and the distance between the buckle 23 and the fixing bolt 4 after the limiting tube 2 is fixed is the same as the distance between the fixing hole 34 and the limiting hole 35, after the limiting hole 35 on the support plate 33 is buckled with the buckle 23, the fixing hole 34 and the fixing bolt 4 are aligned with each other, then the fixing bolt 4 is screwed clockwise through a screwdriver, so that the fixing bolt 4 moves downwards through the matching between the threads of the, the fixing of the thread fixing shaft 3 can be completed after the fixing bolt 4 is screwed down, and the beneficial effects that the thread shaft is convenient to replace and is convenient to fix are achieved.

The basic principle and the main characteristics of the utility model and the advantages of the utility model have been shown and described above, and the utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the record of the description with the drawing, and the concrete connection mode of each part all adopts conventional means such as ripe bolt rivet among the prior art, welding, and machinery, part and equipment all adopt prior art, conventional model, and conventional connection mode in the prior art is adopted in addition to circuit connection, and the details are not repeated here.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A novel motor threaded shaft comprises a mounting shaft (1) and a fixing bolt (4), wherein the left side of the top end of the mounting shaft (1) is in threaded connection with the fixing bolt (4);

the method is characterized in that: the novel bearing assembly is characterized by further comprising a limiting pipe (2) and a thread fixing shaft (3), the mounting shaft (1) is hollow, the limiting pipe (2) extends into the mounting shaft (1) through the right end of the mounting shaft (1), the limiting pipe (2) and the mounting shaft (1) are welded with each other, the thread fixing shaft (3) extends into the limiting pipe (2) through the left end of the mounting shaft (1), a fixing bolt (4) penetrates through the mounting shaft (1) and the thread fixing shaft (3) to be locked with each other in a thread mode, the limiting pipe (2) is composed of an insertion pipe (21), a support plate (22), a buckle (23), a groove (24), a spring (25) and a straight rod (26), the right end of the insertion pipe (21) is welded with the support plate (22), grooves (24) are formed in the front side and the rear side of the inside of the insertion pipe (21), and the bottom end of the straight rod (26, and straight-bar (26) bottom carries out elastic connection through spring (25) and intubate (21), straight-bar (26) top welding has a buckle (23), intubate (21) stretch into to installation axle (1) in through the right-hand member, and backup pad (22) and installation axle (1) right-hand member weld each other.

2. The novel motor threaded shaft according to claim 1, characterized in that: the thread fixing shaft (3) consists of a thread joint (31), a sleeve (32), a support plate (33), a fixing hole (34) and a limiting hole (35), the edge of the right end of the threaded joint (31) is mutually welded with the sleeve (32), the middle part of the right end of the threaded joint (31) is mutually welded with the support plate (33), a fixing hole (34) is vertically arranged in the middle of the support plate (33), limiting holes (35) are respectively arranged at the front side and the rear side of the support plate (33), the support plate (33) extends into the limiting pipe (2) through the left end of the mounting shaft (1), the support plate (33) is buckled with the buckle (23) through the limiting holes (35) on the front side and the rear side, the sleeve (32) is sleeved at the left end of the outer side of the mounting shaft (1), the fixing bolt (4) vertically penetrates through the fixing hole (34), and the fixing bolt (4) is in threaded connection with the support plate (33).

3. The novel motor threaded shaft according to claim 1, characterized in that: the buckle (23) is in a semi-spherical shape, and the cambered surface faces the inside of the insertion pipe (21).

4. The novel motor threaded shaft according to claim 1, characterized in that: the bottom end of the straight rod (26) is provided with a limiting plate, and the width of the limiting plate is larger than the outer diameter of the through hole connected with the straight rod (26) and the insertion tube (21).

5. The novel motor threaded shaft according to claim 2, characterized in that: the fixing hole (34) and the limiting hole (35) are arranged in an equidistant straight line, and the distance between the fixed rear buckle (23) of the limiting pipe (2) and the fixing bolt (4) is the same as the distance between the fixing hole (34) and the limiting hole (35).

6. The novel motor threaded shaft according to claim 2, characterized in that: the inner wall of the sleeve (32) is attached to the outer side of the mounting shaft (1).

7. The novel motor threaded shaft according to claim 1, characterized in that: the sum of the lengths of the straight rod (26) and the buckle (23) and the length of the contracted spring (25) is less than the height of the groove (24).