CN216343798U

CN216343798U - Boss belt pulley

Info

Publication number: CN216343798U
Application number: CN202121373807.1U
Authority: CN
Inventors: 陈利康
Original assignee: Hangzhou Kangke Machinery Co ltd
Current assignee: Hangzhou Kangke Machinery Co ltd
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2022-04-19
Anticipated expiration: 2031-06-21

Abstract

The utility model discloses a boss belt pulley, which adopts the technical scheme that: the belt pulley comprises a belt pulley body, wherein a boss is arranged in the belt pulley body, a supporting assembly is arranged on the outer side of the boss, a shaft hole is formed in the middle of the boss, a clamping groove is formed in one side of the shaft hole, a plurality of fixing mechanisms are arranged on the outer side of the boss, and a protection mechanism is arranged on the outer side of the belt pulley body; the fixing mechanism comprises a fixing rod, the fixing rod penetrates through a boss, one end of the fixing rod is fixedly connected with a supporting plate, one side of the supporting plate is fixedly connected with a rotating plate, supporting shells are arranged on two sides of the supporting plate and fixedly connected with the boss, a bolt is arranged on one side of each supporting shell and penetrates through the supporting shells, and the fixing mechanism has the beneficial effects that: make things convenient for the belt pulley installation, can prevent that the belt from droing with protection machanism after the belt pulley is fixed to be accomplished simultaneously, improve the result of use of belt pulley, the belt pulley also can be dismantled simultaneously, and is convenient to its maintenance.

Description

Boss belt pulley

Technical Field

The utility model relates to the technical field of disc hub parts, in particular to a boss belt pulley.

Background

The belt pulley belongs to a hub part, generally has larger relative size, is generally mainly cast and forged in manufacturing process, is generally designed to be cast by a larger size, is generally made of cast iron (with better casting performance), rarely uses cast steel (with poor casting performance), is generally designed to be forged by a smaller size, is made of steel, and is mainly used for occasions of transmitting power in a long distance, such as the output of small diesel engine power, agricultural vehicles, tractors, automobiles, mining machinery, machining equipment, textile machinery, packaging machinery, lathes, forging beds, the transmission of small motorcycle horsepower power, the transmission of agricultural machinery power, air compressors, speed reducers, generators, embossing machines and the like.

The prior art has the following defects: most of the existing boss belt pulleys are connected with a transmission shaft through threads when being installed, the threads are easily damaged after the belt pulleys are used for a long time, the belt pulleys cannot be disassembled, meanwhile, the threads are easily damaged by fixing the belt pulleys through bolts, the belt pulleys cannot be disassembled and maintained, and meanwhile, the belt pulleys are easy to fall off in the rotating process.

Therefore, the utility model is necessary to develop a boss pulley.

SUMMERY OF THE UTILITY MODEL

Therefore, the boss belt pulley provided by the utility model solves the problems that the belt pulley cannot be detached due to easy damage of threads after long-time use, the belt pulley cannot be detached and maintained due to easy damage of the threads caused by fixing the belt pulley by using a bolt, and the belt is easy to fall off in the rotating process of the belt pulley.

In order to achieve the above purpose, the utility model provides the following technical scheme: a boss belt pulley comprises a belt pulley body, wherein a boss is arranged inside the belt pulley body, a supporting assembly is arranged outside the boss, a shaft hole is formed in the middle of the boss, a clamping groove is formed in one side of the shaft hole, a plurality of fixing mechanisms are arranged outside the boss, and a protection mechanism is arranged outside the belt pulley body;

the fixing mechanism comprises a fixing rod, the fixing rod penetrates through the boss, a supporting plate is fixedly connected to one end of the fixing rod, a rotating plate is fixedly connected to one side of the supporting plate, supporting shells are arranged on two sides of the supporting plate and fixedly connected with the boss, bolts are arranged on one sides of the supporting shells and penetrate through the supporting shells.

Preferably, protection machanism includes a plurality of recesses, the belt pulley body outside is located to the recess, recess one side is equipped with the guard plate, guard plate one side fixedly connected with connecting plate, inside connecting plate one end extended into the belt pulley body.

Preferably, the equal fixedly connected with connecting rod in guard plate bottom both sides, the connecting rod other end extends into inside the belt pulley body.

Preferably, a plurality of chutes are formed in one side of the belt pulley body, and the chutes are uniformly distributed in a circumferential shape.

Preferably, a push plate is arranged on the inner side of the sliding groove and fixedly connected with the connecting plate.

Preferably, a plurality of fixing holes are formed in one side of the belt pulley body.

Preferably, the outer side of the belt pulley body is provided with a pulley groove.

Preferably, a screw hole is formed in the outer side of the boss, and one end of the bolt extends into the screw hole and is in threaded connection with the screw hole.

Preferably, the supporting component comprises a first supporting column, and two ends of the first supporting column are fixedly connected with the belt pulley body and the boss.

Preferably, the support assembly comprises a second support column, and two ends of the second support column are fixedly connected with the belt pulley body and the boss.

The utility model has the beneficial effects that:

1. according to the belt pulley, the fixing rod is inserted into the boss and inserted into the rotating shaft through the fixing rod, after the insertion is completed, the rotating plate is rotated, the rotating plate rotates and drives the supporting plate to rotate, the supporting plate rotates and drives the fixing rod to rotate, meanwhile, two ends of the supporting plate enter the inner side of the supporting shell, after the insertion is completed, the bolt is inserted into the supporting shell and rotates, the bolt rotates and enters the screw hole, the bolt is fixed and blocks the supporting plate, the belt pulley is convenient to install, meanwhile, the belt pulley can also be disassembled, and the maintenance of the belt pulley is convenient;

2. according to the belt pulley, the push plate on the outer side of the belt pulley body is pushed, the push plate moves and drives the connecting plate to move, the connecting plate moves and drives the protection plate to move, the protection plate moves and plays a supporting role, meanwhile, the connecting rods on two sides of the protection plate have a supporting role, the protection plate can be inserted into the fixing holes through the screws after being lifted out, the screws fix the connecting plate, the protection plate is fixed through the fixing plates, the belt is prevented from falling off after the protection plate is fixed, the protection mechanism can be lifted to prevent the belt from falling off after the belt pulley is fixed, and the using effect of the belt pulley is improved.

Drawings

FIG. 1 is a schematic view of the overall structure provided by the present invention;

FIG. 2 is a front cross-sectional view provided by the present invention;

FIG. 3 is a perspective view of a boss provided by the present invention;

FIG. 4 is an enlarged view taken at A in FIG. 2 according to the present invention;

FIG. 5 is an enlarged view of the utility model at B in FIG. 3;

fig. 6 is a schematic structural diagram of embodiment 2 provided in the present invention.

In the figure: 1 belt pulley body, 2 first support columns, 3 bosses, 4 protection plates, 5 connecting plates, 6 push plates, 7 sliding grooves, 8 grooves, 9 connecting rods, 10 clamping grooves, 11 support shells, 12 bolts, 13 screw holes, 14 support plates, 15 rotating plates, 16 fixing rods, 17 shaft holes, 18 wheel grooves, 19 fixing holes and 20 second support columns.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Embodiment 1, referring to fig. 1 to 5, the boss belt pulley provided by the utility model comprises a belt pulley body 1, wherein a boss 3 is arranged inside the belt pulley body 1, a support assembly is arranged on the outer side of the boss 3, a shaft hole 17 is formed in the middle of the boss 3, a clamping groove 10 is formed in one side of the shaft hole 17, a plurality of fixing mechanisms are arranged on the outer side of the boss 3, and a protection mechanism is arranged on the outer side of the belt pulley body 1;

the fixing mechanism comprises a fixing rod 16, the fixing rod 16 penetrates through the boss 3, a supporting plate 14 is fixedly connected with one end of the fixing rod 16, a rotating plate 15 is fixedly connected with one side of the supporting plate 14, supporting shells 11 are arranged on two sides of the supporting plate 14, the supporting shells 11 are fixedly connected with the boss 3, a bolt 12 is arranged on one side of each supporting shell 11, the bolt 12 penetrates through the supporting shells 11, the fixing rod 16 has a fixing effect, and the supporting shells 11 have a supporting and fixing effect.

Further, protection machanism includes a plurality of recesses 8, the 1 outside of belt pulley body is located to recess 8, 8 one sides of recess are equipped with

guard plate

4, 4 one side fixedly connected with connecting plate 5 of guard plate, 5 one ends of connecting plate extend into belt pulley body 1 inside, and guard plate 4 prevents that the belt from droing.

Further, the equal fixedly connected with connecting rod 9 in 4 bottom both sides of guard plate, the connecting rod 9 other end extends into belt pulley body 1 inside.

Further, a plurality of chutes 7 are formed in one side of the belt pulley body 1, and the chutes 7 are circumferentially and uniformly distributed.

Further, 7 inboard in spout is equipped with push pedal 6, push pedal 6 and connecting plate 5 fixed connection, spout 7 makes things convenient for push pedal 6 to remove.

Further, a plurality of fixing holes 19 are formed in one side of the belt pulley body 1, and the connecting plate 5 is conveniently fixed through the fixing holes 19.

Further, a pulley groove 18 is formed on the outer side of the pulley body 1.

Further, a screw hole 13 is formed in the outer side of the boss 3, one end of the bolt 12 extends into the screw hole 13 and is in threaded connection with the screw hole 13, and the support plate 14 can be fixed by combining the bolt 12 and the screw hole 13.

Further, the supporting component comprises a first supporting column 2, two ends of the first supporting column 2 are fixedly connected with the belt pulley body 1 and the boss 3, and the first supporting column 2 has a fixing and supporting effect.

The using process of the utility model is as follows: when the belt pulley is used, the boss 3 in the belt pulley body 1 is sleeved on the rotating shaft, the clamping groove 10 on the inner side of the boss 3 is convenient for fixing the position of the belt pulley body 1, the fixing mechanism is convenient for fixing, the first supporting column 2 between the belt pulley body 1 and the boss 3 has a supporting function, after the boss 3 is tightly sleeved, the fixing rod 16 is inserted into the boss 3 and is inserted into the rotating shaft by the fixing rod 16, after the insertion is finished, the rotating plate 15 is rotated, the rotating plate 15 rotates and drives the supporting plate 14 to rotate, the supporting plate 14 rotates and drives the fixing rod 16 to rotate, two ends of the supporting plate 14 enter the inner side of the supporting shell 11, after the insertion is finished, the bolt 12 is inserted into the supporting shell 11 and rotates the bolt 12, the bolt 12 rotates and enters the screw hole 13, the bolt 12 is fixed, the supporting plate 14 is blocked by the bolt 12, the supporting plate 14 is prevented from falling off, the rotating shaft is fixed by the three fixing rods 16 on the outer side of the boss 3, fixed accomplishing back alright with the belt sleeve in the race 18 in the belt pulley body 1 outside, back is sheathe in to the belt, promote the push pedal 6 in the belt pulley body 1 outside, push pedal 6 removes and drives connecting plate 5 and removes, connecting plate 5 removes and drives protection plate 4 and removes, protection plate 4 removes and plays the supporting role, the connecting rod 9 of protection plate 4 both sides has the supporting role simultaneously, accessible screw inserts fixed orifices 19 after protection plate 4 rises out, it is fixed with connecting plate 5 to make the screw, connecting plate 5 is fixed to make protection plate 4 fixed, prevent that the belt from droing after protection plate 4 is fixed.

Embodiment 2, referring to fig. 6, the boss pulley provided by the utility model comprises a second supporting column 20, and two ends of the second supporting column 20 are fixedly connected with the pulley body 1 and the boss 3.

The using process of the utility model is as follows: when the utility model is used, the boss 3 in the belt pulley body 1 is sleeved on the rotating shaft, and the clamping groove 10 at the inner side of the boss 3 is convenient for fixing the position of the belt pulley body 1 and the fixing mechanism, meanwhile, the second supporting column 20 between the belt pulley body 1 and the boss 3 has a supporting function, and after the boss 3 is tightly sleeved, the fixing rod 16 is inserted into the boss 3 and inserted into the rotating shaft by the fixing rod 16, after the insertion is completed, the rotating plate 15 is rotated, the rotating plate 15 rotates and drives the supporting plate 14 to rotate, the supporting plate 14 rotates and drives the fixing rod 16 to rotate, meanwhile, the two ends of the support plate 14 enter the inner side of the support shell 11, after entering is completed, the bolt 12 is inserted into the support shell 11 and rotates the bolt 12, the bolt 12 rotates and enters the screw hole 13, the bolt 12 is fixed and blocks the support plate 14, the support plate 14 is prevented from falling off, and the rotating shaft is fixed through the three fixing rods 16 on the outer side of the boss 3.

The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solution described above. Therefore, any simple modifications or equivalent substitutions made in accordance with the technical solution of the present invention are within the scope of the claims of the present invention.

Claims

1. The utility model provides a boss belt pulley, includes belt pulley body (1), its characterized in that: a boss (3) is arranged inside the belt pulley body (1), a supporting assembly is arranged on the outer side of the boss (3), a shaft hole (17) is formed in the middle of the boss (3), a clamping groove (10) is formed in one side of the shaft hole (17), a plurality of fixing mechanisms are arranged on the outer side of the boss (3), and a protection mechanism is arranged on the outer side of the belt pulley body (1);

the fixing mechanism comprises a fixing rod (16), the fixing rod (16) penetrates through the boss (3), one end of the fixing rod (16) is fixedly connected with a supporting plate (14), one side of the supporting plate (14) is fixedly connected with a rotating plate (15), supporting plates (14) are both provided with supporting shells (11), the supporting shells (11) are fixedly connected with the boss (3), one sides of the supporting shells (11) are provided with bolts (12), and the bolts (12) penetrate through the supporting shells (11).

2. The Boss pulley as claimed in claim 1, wherein: protection machanism includes a plurality of recesses (8), the belt pulley body (1) outside is located in recess (8), recess (8) one side is equipped with guard plate (4), guard plate (4) one side fixedly connected with connecting plate (5), connecting plate (5) one end extends into inside belt pulley body (1).

3. The Boss pulley as claimed in claim 2, wherein: guard plate (4) bottom both sides equal fixedly connected with connecting rod (9), inside connecting rod (9) other end extended into belt pulley body (1).

4. The Boss pulley as claimed in claim 1, wherein: a plurality of sliding grooves (7) are formed in one side of the belt pulley body (1), and the sliding grooves (7) are evenly distributed in a circumferential mode.

5. The Boss pulley as claimed in claim 4, wherein: the inner side of the sliding groove (7) is provided with a push plate (6), and the push plate (6) is fixedly connected with the connecting plate (5).

6. The Boss pulley as claimed in claim 1, wherein: a plurality of fixing holes (19) are formed in one side of the belt pulley body (1).

7. The Boss pulley as claimed in claim 1, wherein: the outer side of the belt pulley body (1) is provided with a pulley groove (18).

8. The Boss pulley as claimed in claim 1, wherein: screw hole (13) have been seted up in boss (3) outside, bolt (12) one end extends into screw hole (13) inside and passes through threaded connection with screw hole (13).

9. The Boss pulley as claimed in claim 1, wherein: the supporting component comprises a first supporting column (2), and two ends of the first supporting column (2) are fixedly connected with the belt pulley body (1) and the boss (3).

10. The Boss pulley as claimed in claim 1, wherein: the supporting component comprises a second supporting column (20), and two ends of the second supporting column (20) are fixedly connected with the belt pulley body (1) and the boss (3).