CN207554743U - A kind of belt pulley - Google Patents
A kind of belt pulley Download PDFInfo
- Publication number
- CN207554743U CN207554743U CN201721674490.9U CN201721674490U CN207554743U CN 207554743 U CN207554743 U CN 207554743U CN 201721674490 U CN201721674490 U CN 201721674490U CN 207554743 U CN207554743 U CN 207554743U
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- China
- Prior art keywords
- wheel disk
- disk
- left wheel
- belt pulley
- right wheel
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Abstract
The utility model provides a kind of belt pulley, belongs to technical field of transmission machinery.It, which solves existing belt pulley, needs the additional rivet that installs additional to fix, and the contact surface of rivet accumulates small, the poor art problem of stability.This belt pulley includes the left wheel disk and right wheel disk that fit, and the disk of the left wheel disk offers connecting hole, and the disk corresponding position of the right wheel disk has turn-up portion, and the turn-up portion passes through the connecting hole from the side of left wheel disk and riveted with the opposite side of left wheel disk.This belt pulley installation accuracy is good, the opposite side riveted of turn-up portion and left wheel disk, and simple in structure and stability is strong.
Description
Technical field
The utility model belongs to technical field of transmission machinery, is related to a kind of belt pulley.
Background technology
Belt pulley belongs to hub class part, and general relative size is bigger, generally to cast, be forged in manufacturing process
It is main.The larger method being designed as with casting of stock size, material is typically all cast iron, seldom uses cast steel；Stock size is smaller
, it can be designed as forging, material is steel.Belt pulley is mainly used for the occasion of Long Distant Transmit power, such as small diesel engine
The output of power, agricultural vehicle, tractor, automobile, mining machinery, machining equipment, textile machine, package packing machine, lathe, forging
Bed, the transmission of some fraction horsepower motorcycle powers, the transmission of agricultural machinery power, air compressor machine, retarder, speed reducer, generator,
Cotton gin etc..
Application publication number is that the Chinese patent of CN102788135A discloses a kind of belt sheave, it is using steel plate hair
Embryo, the mode through cold stamping produce revolver spoke and right wheel spoke respectively, and revolver spoke is identical with a angles of right wheel spoke, and manufactures simultaneously
Go out stepped hole A and B, revolver spoke is overlapped into positioning with the axis of right wheel spoke, revolver spoke and right wheel spoke are riveted together with rivet.
Above-mentioned belt pulley manufacturing process is simple, the production cycle is shorter and cost is relatively low, but still comes with some shortcomings：Need volume
Additional fixation of driving the rivets, and the contact surface product of rivet is small, stability is poor.
Invention content
The utility model provides a kind of belt pulley, the utility model is wanted for the above problem existing for existing technology
The technical issues of solution is：How further to simplify belt sheave structure and ensure stability.
The purpose of this utility model can be realized by following technical proposal：
A kind of belt pulley, including the left wheel disk and right wheel disk to fit, which is characterized in that the disk of the left wheel disk opens up
There is connecting hole, the disk corresponding position of the right wheel disk has turn-up portion, and the turn-up portion passes through described from the side of left wheel disk
Connecting hole is simultaneously riveted with the opposite side of left wheel disk.
When manufacturing belt pulley, plank is made to the left wheel disk and right wheel disk of plate-like by using techniques such as such as punching presses, then
Connected by fitting on the inside of left wheel disk and right wheel disk, such left wheel disk and right wheel disk outer rim combine the ring to form accommodating belt
Slot realizes the function of belt pulley.By opening up connecting hole in the disk of left wheel disk, and flange is set in the corresponding position of right wheel disk
Portion, such turn-up portion can realize the positioning of left wheel disk and right wheel disk when passing through connecting hole, installation accuracy is good, turn-up portion and left wheel disk
Opposite side riveted, contact area bigger, connective stability is more preferable, and simple in structure and stability is strong.
In a kind of above-mentioned belt pulley, the disk of the right wheel disk offers punching, and the edge of the punching is to downward
It stretches to form the turn-up portion.Turn-up portion is formed by the part that punching is opened up on right wheel disk and extends downwardly punching edge,
Operating personnel are by setting surplus that can be formed simultaneously turn-up portion in this way in punching course, it is not necessary in addition install additional, production efficiency
Height, and integrally formed structural strength and stability are also more preferable.
In a kind of above-mentioned belt pulley, the connecting hole is arranged circumferentially along left wheel disk, and the punching is along right wheel
Disk is arranged circumferentially.Setting connecting hole and punching respectively circumferentially correspondence is evenly arranged, can ensure so everywhere by
Power equilibrium will not unbalance loading, ensure belt pulley operation will not beat, improve structural stability.
In a kind of above-mentioned belt pulley, the disk of the right wheel disk is further opened with connecting hole, the disk of the left wheel disk
Also correspondence offers punching.By setting punching and connecting hole, such left wheel disk and right wheel respectively on left wheel disk and right wheel disk
Disk can be mutually twisted, structural stability higher.
In a kind of above-mentioned belt pulley, the connecting hole on left wheel disk is identical with punching quantity and is circumferentially staggeredly spaced cloth
It puts, right wheel disk is corresponding identical with the structure of left wheel disk.By setting connecting hole identical with punching quantity and being circumferentially staggeredly spaced
Arrangement can utmostly ensure that belt pulley everywhere stablize by stress equalization in this way；Right wheel disk and the structure of left wheel disk are corresponding identical to be made
Manufacture processing uses a kind of mold, reduces production cost.
In a kind of above-mentioned belt pulley, the center of the left wheel disk and right wheel disk offers axis hole, the axis hole
Periphery offers several location holes.By being provided with axis hole at the center of left wheel disk and right wheel disk and being opened up in the periphery of axis hole several
Location hole can be connect in this way by the structures such as axis hole and impeller, and location hole improves the connection accuracy and intensity of structure.
Compared with prior art, it is as follows the advantages of the utility model：
1st, this belt pulley by the disk of left wheel disk open up connecting hole and right wheel disk corresponding position set turn-up portion,
Turn-up portion can realize the positioning of left wheel disk and right wheel disk when passing through connecting hole, installation accuracy is good, turn-up portion and left wheel disk it is another
Side riveted, simple in structure and stability are strong.
2nd, this belt pulley forms turn-up portion by the part that punching is opened up on right wheel disk and extends downwardly punching edge,
Operating personnel are by setting surplus that can be formed simultaneously turn-up portion in this way in punching course, it is not necessary in addition install additional, production efficiency
High and integrally formed structural strength and stability are good.
Description of the drawings
Fig. 1 is the dimensional structure diagram of this belt pulley.
Fig. 2 is the cross-sectional view of this belt pulley.
Fig. 3 is the dimensional structure diagram before the installation of left wheel disk or right wheel disk in this belt pulley.
Fig. 4 is the dimensional structure diagram after left wheel disk or right wheel disk flange processing in this belt pulley.
In figure, 1, left wheel disk；2nd, right wheel disk；3rd, connecting hole；4th, turn-up portion；5th, punching；6th, axis hole；7th, location hole.
Specific embodiment
It is specific embodiment of the utility model and with reference to attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these embodiments.
As shown in Figs 1-4, this belt pulley includes the left wheel disk 1 to fit and right wheel disk 2, the disk of left wheel disk 1 offer
Three connecting holes 3, the disk of right wheel disk 2 open up that there are three punchings 5, and the edge of punching 5 is downwardly extending turn-up portion 4.Flange
Portion 4 passes through connecting hole 3 from the side of left wheel disk 1 and is riveted with the opposite side of left wheel disk 1.When manufacturing belt pulley, by using such as
The left wheel disk 1 of plate-like and right wheel disk 2 is made in plank by the techniques such as punching press, and then the inside of left wheel disk 1 and right wheel disk 2 fits
It is connected, such left wheel disk 1 and 2 outer rim of right wheel disk combine the annular groove to form accommodating belt, realize the function of belt pulley.By on a left side
The disk of wheel disc 1 opens up connecting hole 3, and sets turn-up portion 4 in the corresponding position of right wheel disk 2, and such turn-up portion 4 passes through connecting hole
The positioning of left wheel disk 1 and right wheel disk 2 can be realized when 3, installation accuracy is good, turn-up portion 4 and the opposite side riveted of left wheel disk 1, contact
Area bigger, connective stability is more preferable, and simple in structure and stability is strong.By opening up punching 5 on right wheel disk 2 and making punching 5
Part that edge extends downwardly forms turn-up portion 4, and operating personnel are by setting surplus being capable of shape simultaneously in this way in punching course
Into turn-up portion 4, it is not necessary in addition install additional, production efficiency is high, and integrally formed structural strength and stability are also more preferable.As excellent
Choosing, connecting hole 3 are arranged circumferentially along left wheel disk 1, and punching 5 is arranged circumferentially along right wheel disk 2.3 He of connecting hole is set
Circumferentially correspondence is evenly arranged respectively for punching 5, can ensure so stress equalization everywhere will not unbalance loading, ensure belt pulley operation
Will not beat, improve structural stability.The disk of right wheel disk 2 is also opened up there are three connecting hole 3, and the disk of left wheel disk 1 is also right
Punching 5 there are three should opening up.By setting punching 5 and connecting hole 3, such left wheel disk 1 respectively on left wheel disk 1 and right wheel disk 2
It can be mutually twisted with right wheel disk 2, structural stability higher.For further, connecting hole 3 and punching 5 on left wheel disk 1 are along week
To staggeredly arranged for interval, right wheel disk 2 is corresponding identical with the structure of left wheel disk 1.By setting connecting hole 3 identical with 5 quantity of punching
And arranged for interval of circumferentially interlocking, it can utmostly ensure that belt pulley everywhere stablize by stress equalization in this way；Right wheel disk 2 and left wheel disk
1 structure correspond to it is identical make manufacture processing use a kind of mold, reduce production cost.
As shown in Fig. 1, Fig. 3, Fig. 4, the center of left wheel disk 1 and right wheel disk 2 offers axis hole 6, and the periphery of axis hole 6 opens up
There are four location holes 7.Determined by being provided with axis hole 6 at the center of left wheel disk 1 and right wheel disk 2 and four being opened up in the periphery of axis hole 6
Position hole 7, can be connect in this way by the structures such as axis hole 6 and impeller, and location hole 7 improves the connection accuracy and intensity of structure.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Described specific embodiment can be done various modifications or additions or using similar by belonging to those skilled in the art
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (6)
1. a kind of belt pulley, including the left wheel disk (1) to fit and right wheel disk (2), which is characterized in that the left wheel disk (1)
Disk offers connecting hole (3), and the disk corresponding position of the right wheel disk (2) has a turn-up portion (4), the turn-up portion (4) from
The side of left wheel disk (1) passes through the connecting hole (3) and is riveted with the opposite side of left wheel disk (1).
2. belt pulley according to claim 1, which is characterized in that the disk of right wheel disk (2) offers punching (5), described
The edge of punching (5) is downwardly extending the turn-up portion (4).
3. belt pulley according to claim 2, which is characterized in that the connecting hole (3) is uniform along the circumferential direction of left wheel disk (1)
Arrangement, punching (5) being arranged circumferentially along right wheel disk (2).
4. belt pulley according to claim 2, which is characterized in that the disk of the right wheel disk (2) is further opened with connecting hole
(3), the disk of the left wheel disk (1) also correspondence offers punching (5).
5. belt pulley according to claim 4, which is characterized in that connecting hole (3) and punching (5) number on left wheel disk (1)
It is corresponding identical with the structure of left wheel disk (1) to measure identical and arranged for interval of circumferentially interlocking, right wheel disk (2).
6. according to the belt pulley described in claims 1 or 2 or 3 or 4 or 5, which is characterized in that the left wheel disk (1) and right wheel disk
(2) center offers axis hole (6), and the periphery of the axis hole (6) offers several location holes (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721674490.9U CN207554743U (en) | 2017-12-05 | 2017-12-05 | A kind of belt pulley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721674490.9U CN207554743U (en) | 2017-12-05 | 2017-12-05 | A kind of belt pulley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207554743U true CN207554743U (en) | 2018-06-29 |
Family
ID=62665237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721674490.9U Active CN207554743U (en) | 2017-12-05 | 2017-12-05 | A kind of belt pulley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207554743U (en) |
-
2017
- 2017-12-05 CN CN201721674490.9U patent/CN207554743U/en active Active
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