CN209781623U

CN209781623U - Motor connecting shaft

Info

Publication number: CN209781623U
Application number: CN201920125924.2U
Authority: CN
Inventors: 黄建平
Original assignee: Xiamen Zhonglida Machinery Co Ltd
Current assignee: Xiamen Zhonglida Machinery Co Ltd
Priority date: 2019-01-24
Filing date: 2019-01-24
Publication date: 2019-12-13
Anticipated expiration: 2029-01-24

Abstract

The utility model discloses a motor connecting axle relates to electrical accessories technical field, and its technical scheme main points are: the universal joint locking device comprises a universal joint rod connected with a transmission shaft of a motor and a universal joint head arranged at one end, far away from the transmission shaft, of the universal joint rod, wherein an insertion groove is formed in one end of the universal joint rod inwards, an insertion shaft corresponding to the insertion groove is arranged at the top end of the transmission shaft, and a locking assembly used for locking the universal joint rod on the transmission shaft is arranged between the universal joint rod and the transmission shaft. Can dismantle with the universal joint pole and be connected with the transmission shaft, and the dismouting of universal joint pole is convenient, can take off the universal joint pole alone when the universal joint head damages and replace, has the effect that reduces use cost.

Description

Motor connecting shaft

Technical Field

The utility model discloses electrical accessories technical field, more specifically say, it relates to a motor connecting axle.

background

in the use of motor, often need be connected the axis of rotation of motor back with other work pieces, drive the work piece by the axis of rotation of motor and rotate. In the prior art, the connecting shaft is usually utilized for connection, one end of the connecting shaft is connected to the rotating shaft of the motor, and the other end of the connecting shaft is connected with other workpieces, so that when the rotating shaft with the motor rotates, the other workpieces can be driven to rotate through the connecting shaft.

if the granted publication number is CN 20158888884, the publication date is 2010.09.22, the chinese patent discloses a universal coupling, which comprises transmission shafts, and a universal joint head, a universal joint rod and a universal joint sleeve are sequentially connected between the transmission shafts.

The transmission shaft through with the motor is connected in the universal joint pole to by universal joint sleeve and universal joint pole fixed connection, be connected with other work pieces by the universal joint head, thereby when the motor drives the transmission shaft and rotates, can drive other work pieces and rotate through the linkage of universal joint pole with the universal joint head. But the transmission shaft and the universal joint pole of motor adopt fixed connection, when the universal joint head damaged, just need replace the transmission shaft of whole universal joint pole and motor, lead to use cost great.

SUMMERY OF THE UTILITY MODEL

To the technical problem that has now, an object of the utility model is to provide a motor connecting axle has the advantage that reduces use cost.

In order to achieve the above purpose, the utility model provides a following technical scheme:

The utility model provides a motor connecting axle, includes the universal joint pole of being connected with the transmission shaft of motor and sets up in the universal joint pole and keep away from the one of transmission shaft and serve the universal joint head, the inserting groove has inwards been seted up to the one end of universal joint pole, the top of transmission shaft is provided with the grafting axle corresponding with the inserting groove, just is in be provided with between universal joint pole and the transmission shaft and be used for locking the universal joint pole in the epaxial locking Assembly of transmission.

so set up, when the installation, peg graft in the inserting groove with the grafting axle of transmission shaft for universal joint pole and transmission shaft initial connection, thereby utilize locking Assembly with universal joint pole with transmission shaft locking can, make universal joint pole and the transmission shaft of motor form to dismantle and be connected, and dismantle process convenient and fast, thereby when the universal joint head damaged, can take off the universal joint pole and replace, reduce use cost.

further setting: locking Assembly locates the outer universal joint sleeve of transmission shaft and universal joint pole and wears to establish universal joint sleeve and with transmission shaft threaded connection's fixing bolt including the cover, fixing bolt's axial and the axial mutually perpendicular of transmission shaft, the universal joint pole is close to one of transmission shaft and serves and be provided with spacing edge, be provided with in the universal joint sleeve and follow the location that corresponds along spacing, universal joint sleeve is in universal joint pole and transmission shaft on and when locking, the location is followed and is contradicted in spacing along last.

according to the arrangement, when the universal joint sleeve is installed, the universal joint sleeve is sleeved on the universal joint rod until the positioning edge is abutted against the limiting edge, then the fixing bolt penetrates through the universal joint sleeve and is continuously impacted with the thread of the transmission shaft, and when the fixing bolt is locked, the positioning edge is abutted against the limiting edge, so that the transmission shaft is fixed on the universal joint rod, and the universal joint rod is limited in the universal joint sleeve, so that the universal joint rod is fixed on the transmission shaft, and the universal joint sleeve is convenient to install; when needs are dismantled, only need untie fixing bolt to take out the universal joint sleeve can, convenient and fast, the change of the universal joint pole of being convenient for, and to the change back of universal joint pole, can continue to use the universal joint sleeve to lock, reduce use cost.

Further setting: the universal joint pole is located spacing along and the universal joint head between the periphery wall on the symmetry be provided with the horizontal plane, be provided with spacing face corresponding to the horizontal plane on the universal joint sleeve pipe inner wall, spacing face is contradicted on the horizontal plane.

so set up, through the horizontal plane and the spacing face that set up for universal joint sleeve installation back, spacing face is contradicted on the horizontal plane, in order to improve the frictional force between the two, prevents that the universal joint pole from rotating at universal joint sleeve, thereby when making the transmission shaft of motor drive universal joint sleeve rotate, drives the universal joint pole and rotates, improves the linkage effect, is convenient for stably use.

Further setting: the universal joint comprises a horizontal plane, a universal joint head and a universal joint sleeve, and is characterized in that a limiting hole is formed in the position, close to the universal joint head, of the horizontal plane, a connecting hole corresponding to the limiting hole is formed in the universal joint sleeve, a limiting shaft is inserted into the limiting hole and the connecting hole, two ends of the limiting shaft penetrate out of two ends of the connecting hole, and two ends of the limiting shaft are bent towards the side wall, close to the universal joint sleeve.

So set up, through spacing hole and the connecting hole that sets up, can insert spacing axle to bend spacing axle both ends, with spacing on spacing hole and connecting hole, thereby when the universal joint sleeve pipe rotates along with the transmission shaft, can drive the universal joint pole and rotate, improve linkage process's stability.

Further setting: the universal joint is characterized in that the universal joint is provided with a mounting groove along the axial direction of the universal joint, the two opposite side groove walls of the mounting groove are respectively provided with a first mounting hole and a second mounting hole, a butt joint piece fixedly connected with other workpieces is mounted in the mounting groove, the butt joint piece is provided with an insertion hole corresponding to the first mounting hole and the second mounting hole, the insertion hole is provided with a rivet in a sliding insertion mode, and the two ends of the rivet are respectively penetrated through the first mounting hole and the second mounting hole.

So set up, through the mounting groove that sets up, will dock the piece and install in the mounting groove to utilize the first mounting hole of rivet transmission, spliced eye and second spliced eye, and rivet the one end of rivet, thereby make the butt joint piece rotate on the rivet, make when the transmission shaft rotates, can drive the work piece through the butt joint piece and rotate, improve the stability of linkage, and the dismouting process is convenient, the universal joint head of being convenient for replaces, saves use cost.

Further setting: the size of first mounting hole is greater than the second mounting hole, just first mounting hole all is provided with the groove of stepping down with the port department that the mounting groove was kept away from to the second mounting hole.

Due to the arrangement, after the transmission shaft is inserted, riveting is carried out on the first mounting hole, and the first mounting hole is larger, so that the space in the riveting process is larger, and the riveting work is convenient to carry out; through the groove of stepping down that sets up, can be with the both ends of rivet rule in the inslot of stepping down to spacing in the groove of stepping down, prevent that the rivet from breaking away from, and guarantee that the periphery wall of universal joint head is smooth, convenient to use.

Further setting: the first mounting hole is an elliptical hole, and the second mounting hole is a round hole.

So set up, the elliptical hole is convenient for distinguish first mounting hole and second mounting hole with the setting of round hole to rivet the rivet on first mounting hole, improve the convenience of using.

Further setting: the top end of the inserting shaft is arc-shaped, and one end of the inserting groove, which is far away from the notch, is correspondingly arc-shaped.

So set up, when the grafting axle inserts in the inserting groove, the circular arc can reduce the area of contact of inserting axle and inserting groove notch, and the grafting axle of being convenient for inserts in the inserting groove, and the tank bottom of inserting groove corresponds the setting for after the grafting axle inserts the inserting groove tank bottom and supports, the two suits, the grafting of the grafting axle of being convenient for.

By adopting the technical scheme, the utility model discloses relative prior art compares, has following advantage:

1. the universal joint rod is detachably connected with the transmission shaft, the insertion groove is matched with the insertion shaft during installation, and the locking assembly is controlled to be locked, so that the universal joint rod is convenient to disassemble and assemble, can be independently taken down for replacement when the universal joint head is damaged, and has the effect of reducing the use cost;

2. the locking assembly is arranged into the universal joint pipe sleeve and the fixing bolt, so that the universal joint and the transmission shaft can be conveniently disassembled and assembled, the universal joint can be repeatedly utilized when being replaced, and the effect of reducing the use cost is achieved;

3. The universal joint can be prevented from rotating in the universal joint sleeve through the arranged horizontal plane and the limiting surface, so that the stability of the transmission process is improved;

4. Through the first mounting hole and the second mounting hole that set up, be convenient for install in the mounting groove with the fixed butt joint piece of other work pieces, have the convenience that improves the dismouting between universal joint and the butt joint piece.

Drawings

FIG. 1 is a schematic view of the structure of the motor in the direction of the front side of the connecting shaft;

FIG. 2 is a schematic view of the structure of the motor in the direction of the rear side of the connecting shaft;

FIG. 3 is a schematic view of the motor connecting shaft and the transmission shaft and the connecting member after being assembled;

FIG. 4 is an exploded schematic view of FIG. 3;

FIG. 5 is a schematic cross-sectional view of FIG. 3;

Fig. 6 is an enlarged schematic view at a in fig. 5.

In the figure: 1. a drive shaft; 11. a plug shaft; 2. a gimbal lever; 21. inserting grooves; 22. a limiting edge; 23. a horizontal plane; 24. a limiting hole; 3. a universal joint head; 31. mounting grooves; 32. a first mounting hole; 33. a second mounting hole; 4. a locking assembly; 41. a universal joint sleeve; 411. a positioning edge; 412. a limiting surface; 413. connecting holes; 42. fixing the bolt; 5. a limiting shaft; 6. a docking member; 61. inserting holes; 7. riveting; 8. a yielding groove.

Detailed Description

The motor connecting shaft is further described with reference to fig. 1 to 6.

The utility model provides a motor connecting axle, as shown in fig. 1, include universal joint pole 2 and set up in universal joint pole 2 and keep away from one of transmission shaft 1 and serve universal joint head 3, inserting groove 21 has been seted up to the inside axial to universal joint pole 2's one end, universal joint pole 2 is provided with spacing edge 22 on being close to the one end perisporium of inserting groove 21, universal joint head 3 and universal joint pole 2 body coupling, and has seted up mounting groove 31 along its axial direction at universal joint head 3.

As shown in fig. 3, one end of the universal joint rod 2, which is far away from the universal joint 3, is connected with the transmission shaft 1 of the motor, an abutting piece 6 fixed with a workpiece is installed in an installation groove 31 of the universal joint 3, and a locking assembly 4 for locking the universal joint rod 2 on the transmission shaft 1 is arranged between the universal joint rod 2 and the transmission shaft 1.

As shown in fig. 1 and 2, a first mounting hole 32 and a second mounting hole 33 are respectively formed in two opposite side walls of the mounting groove 31, the size of the first mounting hole 32 is larger than that of the second mounting hole 33, and a yielding groove 8 is formed in a port part of the first mounting hole 32 and the second mounting hole 33, which is far away from the mounting groove 31, so that the first mounting hole 32 and the second mounting hole 33 can be distinguished conveniently, specifically, the first mounting hole 32 is set to be an elliptical hole, and the second mounting hole 33 is set to be a circular hole. As shown in fig. 5, an insertion hole 61 corresponding to the first mounting hole 32 and the second mounting hole 33 is formed in the butt joint member 6, the rivet 7 is inserted into the insertion hole 61 in a sliding manner, the first mounting hole 32 and the second mounting hole 33 are respectively penetrated into two ends of the rivet 7, the rivet 7 penetrates through the first mounting hole 32, the insertion hole 61 and the second mounting hole 33, two ends of the rivet 7 are riveted, and therefore the butt joint member 6 and the universal joint 3 are installed conveniently and quickly.

As shown in fig. 4 and 5, further, an insertion shaft 11 is fixedly disposed at a top end of the transmission shaft 1 of the motor, the insertion shaft 11 is integrally disposed with the transmission shaft 1, and the insertion shaft 11 is disposed corresponding to the insertion groove 21 and can be inserted into the insertion groove 21. In order to facilitate the insertion of the insertion shaft 11 into the insertion groove 21, the top end of the insertion shaft 11 is arc-shaped, and the end of the insertion groove 21 away from the notch is correspondingly arc-shaped. Specifically, the locking assembly 4 includes a universal joint sleeve 41 sleeved outside the transmission shaft 1 and the universal joint rod 2, and a fixing bolt 42 penetrating through the universal joint sleeve 41 and in threaded connection with the transmission shaft 1, wherein the axial direction of the fixing bolt 42 is perpendicular to the axial direction of the transmission shaft 1. As shown in fig. 5 and 6, a positioning edge 411 corresponding to the limiting edge 22 is provided in the joint sleeve 41. During the installation, contradict spacing 22 department along 411 until the location on universal joint pole 2 with universal joint sleeve 41 cover, later utilize fixing bolt 42 to pass universal joint sleeve 41 and with transmission shaft 1 threaded connection, after fixing bolt 42 locks, universal joint sleeve 41 cover is fixed in on the transmission shaft 1, universal joint pole 2 receives the restriction along 411 of location, is fixed in universal joint sleeve 41, thereby lock universal joint pole 2 on transmission shaft 1, the dismouting is convenient.

As shown in fig. 2 and 4, in order to prevent the universal joint lever 2 from rotating in the universal joint sleeve 41, horizontal surfaces 23 are symmetrically provided on the outer circumferential wall of the universal joint lever 2 between the stopper edge 22 and the universal joint head 3, stopper surfaces 412 are provided on the inner wall of the universal joint sleeve 41 corresponding to the horizontal surfaces 23, and the stopper surfaces 412 abut against the horizontal surfaces 23 after the universal joint sleeve 41 is installed. In order to further improve the stability of the universal joint rod 2 and the universal joint sleeve 41 after being installed, a limiting hole 24 is formed in the position, close to the universal joint head 3, of the horizontal plane 23, a connecting hole 413 corresponding to the limiting hole 24 is formed in the universal joint sleeve 41, a limiting shaft 5 is inserted into the limiting hole 24 and the connecting hole 413 in a plugging mode, two ends of the limiting shaft 5 penetrate out of two ends of the connecting hole 413, and two ends, penetrating out of the limiting shaft 5, of the limiting shaft 5 are bent towards the side wall, close to the universal joint sleeve 41.

The working principle is as follows: during installation, the insertion shaft 11 of the transmission shaft 1 is inserted into the insertion groove 21 of the universal joint rod 2 until the insertion shaft 11 abuts against the bottom of the insertion groove 21. Then, the universal joint sleeve 41 is sleeved along the direction that the universal joint head 3 of the universal joint rod 2 extends towards the transmission shaft 1 until the positioning edge 411 in the universal joint sleeve 41 abuts against the limiting edge 22, so that the universal joint sleeve 41 is fixed on the transmission shaft 1 by utilizing the fixing bolt 42 to penetrate through the universal joint sleeve 41 and be in threaded connection with the transmission shaft 1, and the universal joint rod 2 is positioned in the universal joint sleeve 41 by being limited by the limiting edge 22 and the positioning edge 411. Then, the limiting shaft 5 passes through the connecting hole 413 and the limiting hole 24 to form further limiting, and after the limiting shaft 5 is inserted, the two penetrating ends are bent. Put into mounting groove 31 with interfacing part 6, utilize rivet 7 to pass first mounting hole 32, spliced eye 61 and second mounting hole 33 and riveting to install interfacing part 6 on universal joint 3, dismouting process convenient and fast. Through above-mentioned scheme, universal joint pole 2 can be dismantled with transmission shaft 1 and be connected, and the dismouting process is very convenient, when universal joint head 3 damages, pull down universal joint pole 2 replace can, universal joint sleeve 41 can circulate to lock fixedly, has the effect that reduces use cost.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. the utility model provides a motor connecting axle, includes universal joint pole (2) of being connected with transmission shaft (1) of motor and sets up in universal joint head (3) of keeping away from one of transmission shaft (1) in universal joint pole (2), its characterized in that: one end of the universal joint rod (2) is inwards provided with an insertion groove (21), the top end of the transmission shaft (1) is provided with an insertion shaft (11) corresponding to the insertion groove (21), and a locking assembly (4) used for locking the universal joint rod (2) on the transmission shaft (1) is arranged between the universal joint rod (2) and the transmission shaft (1).

2. A motor connecting shaft according to claim 1, wherein: transmission shaft (1) and universal joint pole (2) outer universal joint sleeve pipe (41) and wear to establish universal joint sleeve pipe (41) and with transmission shaft (1) threaded connection's fixing bolt (42) including the cover, the axial of fixing bolt (42) and the axial mutually perpendicular of transmission shaft (1), universal joint pole (2) are close to one of transmission shaft (1) and serve and be provided with spacing (22) of following, be provided with in universal joint sleeve pipe (41) and follow (411) with spacing location that corresponds along (22), universal joint sleeve pipe (41) cover is on universal joint pole (2) and transmission shaft (1) and when locking, the location is contradicted on spacing (22) along (411).

3. A motor connecting shaft according to claim 2, wherein: the universal joint pole (2) are located the periphery wall between spacing edge (22) and universal joint head (3) and go up the symmetry and be provided with horizontal plane (23), be provided with spacing face (412) corresponding to horizontal plane (23) on universal joint sleeve (41) inner wall, spacing face (412) are contradicted on horizontal plane (23).

4. A motor connecting shaft according to claim 3, wherein: the universal joint is characterized in that a limiting hole (24) is formed in the position, close to the universal joint head (3), of the horizontal plane (23), a connecting hole (413) corresponding to the limiting hole (24) is formed in the universal joint sleeve (41), a limiting shaft (5) is inserted into the limiting hole (24) and the connecting hole (413), the two ends of the limiting shaft (5) penetrate out of the two ends of the connecting hole (413), and the two ends of the limiting shaft (5) are bent towards the side wall, close to the universal joint sleeve (41).

5. A motor connecting shaft according to claim 1, wherein: the universal joint is characterized in that a mounting groove (31) is formed in the universal joint head (3) along the axial direction of the universal joint head, a first mounting hole (32) and a second mounting hole (33) are formed in two opposite side groove walls of the mounting groove (31) respectively, a butt joint piece (6) fixedly connected with a workpiece is mounted in the mounting groove (31), an insertion hole (61) corresponding to the first mounting hole (32) and the second mounting hole (33) is formed in the butt joint piece (6), a rivet (7) is inserted in the insertion hole (61) in a sliding mode, and the first mounting hole (32) and the second mounting hole (33) are formed in the two ends of the rivet (7) in a penetrating mode respectively.

6. A motor connecting shaft according to claim 5, characterized in that: the size of first mounting hole (32) is greater than second mounting hole (33), just first mounting hole (32) all are provided with groove (8) of stepping down with port department that mounting groove (31) was kept away from in second mounting hole (33).

7. A motor connecting shaft according to claim 6, wherein: the first mounting hole (32) is an elliptical hole, and the second mounting hole (33) is a circular hole.

8. A motor connecting shaft according to claim 1, wherein: the top end of the insertion shaft (11) is arc-shaped, and one end of the insertion groove (21) far away from the notch is correspondingly arc-shaped.