CN213360998U - Driven chain wheel device - Google Patents
Driven chain wheel device Download PDFInfo
- Publication number
- CN213360998U CN213360998U CN202022100914.9U CN202022100914U CN213360998U CN 213360998 U CN213360998 U CN 213360998U CN 202022100914 U CN202022100914 U CN 202022100914U CN 213360998 U CN213360998 U CN 213360998U
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- chain wheel
- shifting fork
- bearings
- pin shaft
- hole
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Abstract
The utility model discloses a driven chain wheel device, which comprises a shifting fork, a chain wheel, a pin shaft and two bearings; the middle part of the chain wheel is provided with a chain wheel through hole, and a spacing ring is arranged in the chain wheel through hole; the pin shaft penetrates through the chain wheel through hole, the shifting fork is positioned on the outer side of the chain wheel, and the shifting fork is installed on the pin shaft; the two bearings are respectively arranged on the pin shaft, the two bearings are positioned in the through hole of the chain wheel, and the spacing ring is positioned between the two bearings; the pin shaft is provided with an oil supply channel, an oil nozzle is arranged on a channel inlet of the oil supply channel, and a channel outlet communicated with the oil supply channel is arranged on the pin shaft; the channel outlet is located between the two bearings. The utility model discloses a driven sprocket device can lubricate the bearing in the sprocket, and the long service life of bearing can effectively guarantee driven sprocket device's normal use, reduces the number of times of renewal part, does benefit to the saving cost.
Description
Technical Field
The utility model relates to a sprocket technical field among the plate filter especially relates to a driven sprocket device.
Background
As shown in figure 1, in the prior art, a driven sprocket structure in a plate and frame filter comprises a receiving fork 1 ', a sprocket 2', a copper bush 3 'and a pin shaft 4'. The copper bush 3 'is installed in the center hole of the chain wheel 2', and the copper bush 3 'is in interference fit with the chain wheel 2'. The pin shaft 4 'penetrates through the center hole of the chain wheel 2', and the copper bush 3 'is sleeved on the pin shaft 4'. The connecting fork 1 'is arranged on the pin shaft 4'.
Sliding friction motion is adopted between the copper bush 3 'and the pin shaft 4', when the chain wheel 2 'is driven to rotate, the copper bush 3' rotates relative to the pin shaft 4 ', and due to the fact that no lubrication exists between the copper bush 3' and the pin shaft 4 ', transitional abrasion of the copper bush 3' is easily caused, the service life of the copper bush 3 'is short, normal use of a driven chain wheel structure can be affected, and the copper bush 3' needs to be frequently replaced.
In view of the above, it is necessary to provide a driven sprocket apparatus capable of lubricating.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can carry out lubricated driven sprocket device to the bearing in the sprocket.
The technical scheme of the utility model provides a driven sprocket device, which comprises a shifting fork, a sprocket, a pin shaft and two bearings;
the middle part of the chain wheel is provided with a chain wheel through hole, and a spacing ring protruding towards the axis of the chain wheel through hole is arranged in the chain wheel through hole;
the pin shaft penetrates through the chain wheel through hole, the shifting fork is positioned on the outer side of the chain wheel, and the shifting fork is installed on the pin shaft;
the two bearings are respectively arranged on the pin shaft, the two bearings are positioned in the through hole of the chain wheel, and the spacing ring is positioned between the two bearings;
the pin shaft is provided with an oil supply channel, an oil nozzle is arranged on a channel inlet of the oil supply channel, and a channel outlet communicated with the oil supply channel is arranged on the pin shaft;
the channel outlet is located between the two bearings.
In one alternative, the passage outlet is located between both side surfaces of the spacer ring in an axial direction along the sprocket through hole.
In one optional technical scheme, a snap spring used for limiting the bearing is arranged in the sprocket through hole, and one snap spring is arranged on the outer side of each bearing.
In one optional technical scheme, clamping grooves are respectively formed in the through holes of the chain wheel and positioned on the outer sides of the bearings, and the clamping springs are installed in the clamping grooves.
In an alternative embodiment, a portion of the oil nipple extends outside the pin.
In one optional technical scheme, the oil nozzle is provided with a one-way valve.
In one alternative, the spacer ring is integrally formed with the sprocket.
In one optional technical scheme, one end of the pin shaft is provided with an end cover, and the other end of the pin shaft is provided with a nut;
the shifting fork comprises a shifting fork mounting plate, two shifting fork arms which are connected to the shifting fork mounting plate and are arranged at intervals, and a screw rod connected to the shifting fork mounting plate, wherein the screw rod and the shifting fork arms are positioned on two opposite sides of the shifting fork mounting plate;
the chain wheel is positioned between the two shifting fork arms;
and positioning rings are respectively arranged between the end cover and one shifting fork arm and between the nut and the other shifting fork arm.
In an alternative embodiment, the fork mounting plate and the fork arm are integrally formed.
In one optional technical scheme, a part of the oil nozzle extends out of the outer side of the end cover.
By adopting the technical scheme, the method has the following beneficial effects:
the utility model provides a driven sprocket device, through set up the fuel feeding passageway in the round pin axle, install the glib talker on fuel feeding passageway's passageway entry, fuel feeding passageway's passageway export is located between two bearings, when needs are lubricated to the bearing, supply with lubricating oil between two bearings with glib talker and the lubricating oil supply pipe connection, in order to lubricate the bearing, can reduce the wearing and tearing of bearing, the long service life of bearing, can effectively guarantee driven sprocket device's normal use, reduce the number of times of renewal part, do benefit to and practice thrift the cost.
Drawings
FIG. 1 is a schematic diagram of a driven sprocket arrangement in a prior art frame filter;
fig. 2 is a perspective view of a driven sprocket apparatus according to an embodiment of the present invention;
FIG. 3 is an exploded view of the driven sprocket assembly shown in FIG. 2;
FIG. 4 is a cross-sectional view of the sprocket;
FIG. 5 is a cross-sectional view of the pin;
fig. 6 is a cross-sectional view of the driven sprocket assembly shown in fig. 2 taken along the pin axis.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
As shown in fig. 2-6, an embodiment of the present invention provides a driven sprocket device, which includes a fork 1, a sprocket 2, a pin 3 and two bearings 4.
The sprocket 2 has a sprocket through hole 21 in the middle thereof, and a spacer ring 22 protruding toward the axis of the sprocket through hole 21 is provided in the sprocket through hole 21.
The pin shaft 3 penetrates through the chain wheel through hole 21, the shifting fork 1 is located on the outer side of the chain wheel 2, and the shifting fork 1 is installed on the pin shaft 3.
Two bearings 4 are respectively arranged on the pin shaft 3, the two bearings 4 are positioned in the sprocket through hole 21, and the spacing ring 22 is positioned between the two bearings 4.
The pin 3 is provided with an oil supply channel 34, a channel inlet 341 of the oil supply channel 34 is provided with an oil nozzle 33, and the pin 3 is provided with a channel outlet 342 communicated with the oil supply channel 34. The channel outlet 342 is located between the two bearings 4.
The utility model provides a driven sprocket device can be arranged in the frame filter, as required, also can be applied to in other equipment.
The driven chain wheel device comprises a shifting fork 1, a chain wheel 2, a pin shaft 3 and two bearings 4.
The shifting fork 1 is used for being connected with the mounting seat and the fixed seat to install the fixed chain wheel 2. The sprocket 2 is a wheel having teeth for connecting a chain. The sprocket 2 has a sprocket through hole 21 in the center thereof for the pin shaft 3 to pass through and mount the bearing 4. The sprocket through hole 21 has therein a spacer ring 22 that divides the sprocket through hole 21 into left and right portions for separating the two bearings 4.
The pin 3 is used to assemble the bearing 4, the fork 1 and the sprocket 3 together. The pin 3 has an oil supply passage 34 therein, a passage inlet 341 of the oil supply passage 34 is located at one end of the pin 3, and an oil nipple 33 is installed in the passage inlet 341, and the oil nipple 33 is used for connecting with an external lubricating oil supply pipeline. A passage outlet 342 is provided on the circumferential surface of the pin shaft 3, the passage outlet 342 communicating with the oil supply passage 34, the passage outlet 342 being located between the two bearings 4 for supplying the lubricating oil to the bearings 4.
When installed, one bearing 4 is installed in the sprocket through hole 21 on one side of the spacer ring 22, and the other bearing 4 is installed in the sprocket through hole 21 on the other side of the spacer ring 22. The shifting fork 1 is sleeved outside the chain wheel 2. The pin shaft 3 is sequentially passed through the through hole of the shift fork 1, the two bearings 4 so that the passage outlet 342 is located between the two bearings 4, and then locked by the nut 32.
Therefore, the utility model provides a driven sprocket device, through set up oil supply channel 34 in round pin axle 3, install glib 33 on oil supply channel 34's passageway entry 341, oil supply channel 34's passageway export 342 is located between two bearings 4, when needs are lubricated to bearing 4, supply with lubricating oil between two bearings 4 with glib 33 and the lubricating oil supply pipe connection, in order to lubricate bearing 4, can reduce the wearing and tearing of bearing, the long service life of bearing, can effectively guarantee driven sprocket device's normal use, reduce the number of times of renewal part, do benefit to the saving cost.
In one embodiment, as shown in fig. 6, the passage outlet 342 is located between both side surfaces of the spacer ring 22 in the axial direction of the sprocket through hole 21, so that the passage outlet 342 is prevented from being blocked by being too close to the bearing 4, so that the passage outlet 342 is spaced from the bearing 4, and the lubricating oil sprayed from the passage outlet 342 can flow through the bearings 4 on both sides to enhance the lubricating effect on the bearing 4. When the chain wheel 2 rotates, under the centrifugal force, the lubricating oil flows effectually, can effectively lubricate bearing 4.
In one embodiment, as shown in fig. 3 and 6, a snap spring 5 for limiting the position of the bearings 4 is arranged in the sprocket through hole 21, and one snap spring 5 is arranged outside each bearing 4. Through installing jump ring 5 in sprocket through-hole 21 to make jump ring 5 be located the outside of bearing 4, jump ring 5 of the outside installation of every bearing 4, two jump rings 5 are spacing to two bearings 4 respectively. Each bearing 4 is fitted between one of the circlips 5 and the spacer ring 22, preventing the bearing 4 from coming off the sprocket 2.
In one embodiment, as shown in fig. 3-4 and 6, a snap groove 23 is respectively arranged in the sprocket through hole 21 at the outer side of each bearing 4, and the snap spring 5 is installed in the snap groove 23. Be provided with two draw-in grooves 23 on the inner wall of sprocket through-hole 21, two draw-in grooves 23 are located the outside of two bearings 4 respectively, and two jump rings 5 are installed respectively in two draw-in grooves 23, do benefit to the installation stability who improves jump ring 5.
In one embodiment, as shown in fig. 5-6, a portion of the oil nipple 33 extends outside the pin 3 to facilitate connection with an external oil supply line for lubricating the bearing 4.
In one embodiment, as shown in fig. 5-6, the oil nipple 33 has a check valve 331 therein, and the check valve 331 allows only the lubricant in the oil nipple 33 to flow into the oil supply passage 34, prevents the lubricant from flowing backward, and prevents the lubricant in the oil supply passage 34 from leaking out of the oil nipple 33.
In one embodiment, the spacer ring 22 is integrally formed with the sprocket 2. The spacing ring 22 and the chain wheel 2 are all metal parts and can be integrally formed through casting or forging, and the structural strength is high.
In one embodiment, as shown in fig. 3 and 6, one end of the pin 3 has an end cap 31, and the other end of the pin 3 has a nut 32.
The shifting fork 1 comprises a shifting fork mounting plate 11, two shifting fork arms 12 connected to the shifting fork mounting plate 11 and a screw 13 connected to the shifting fork mounting plate 11, wherein the screw 13 and the shifting fork arms 12 are located on two opposite sides of the shifting fork mounting plate 11.
The sprocket 2 is located between two fork arms 12.
And the positioning rings 6 are respectively arranged between the end cover 31 and one shifting fork arm 12 and between the nut 32 and the other shifting fork arm 12.
The shifting fork 1 comprises a shifting fork mounting plate 11, two shifting fork arms 12 arranged at intervals and a screw 13, wherein the screw 13 and the shifting fork arms 12 are positioned on two opposite sides of the shifting fork mounting plate 11. The screw 13 is used for being connected with the fixed seat. Two shifting fork arms 12 are clamped at two sides of the chain wheel 2, and the chain wheel 2 is positioned between the two shifting fork arms 12.
During installation, the pin shaft 3 sequentially penetrates through a positioning ring 6, a shifting fork arm 12, a clamp spring 5, a bearing 4, a spacing ring 22, another bearing 4, another clamp spring 5, another shifting fork arm 12 and another positioning ring 6, then a nut 32 is screwed on the pin shaft 3, and the chain wheel 2 and the shifting fork 1 are assembled together through the pin shaft 3. One retaining ring 6 is clamped between the end cap 31 and one of the yoke arms 12 and the other retaining ring 6 is clamped between the nut 32 and the other yoke arm 12.
In one embodiment, the fork mounting plate 11 and the fork arm 12 are integrally formed, and the fork mounting plate 11 and the fork arm 12 are both made of metal parts and can be integrally formed through casting or forging, so that the structural strength is high. The screw 13 is in threaded connection or riveted with the shifting fork mounting plate 11.
In one embodiment, a portion of the oil nipple 33 extends outside the end cap 31 to facilitate connection with an external lubricant supply line for lubricating the bearing 4.
To sum up, the utility model provides a driven sprocket device through set up the fuel feeding passageway in the round pin axle, installs the glib talker on fuel feeding passageway's passageway entry, fuel feeding passageway's passageway export is located between two bearings, when needs are lubricated to the bearing, supply with lubricating oil between two bearings with glib talker and the lubricating oil supply pipe connection to lubricate the bearing, can reduce the wearing and tearing of bearing, the long service life of bearing can effectively guarantee driven sprocket device's normal use, reduce the number of times of renewal part, do benefit to and practice thrift the cost.
According to the needs, the above technical schemes can be combined to achieve the best technical effect.
What has been described above is merely the principles and preferred embodiments of the present invention. It should be noted that, for those skilled in the art, on the basis of the principle of the present invention, several other modifications can be made, and the protection scope of the present invention should be considered.
Claims (10)
1. A driven chain wheel device is characterized by comprising a shifting fork, a chain wheel, a pin shaft and two bearings;
the middle part of the chain wheel is provided with a chain wheel through hole, and a spacing ring protruding towards the axis of the chain wheel through hole is arranged in the chain wheel through hole;
the pin shaft penetrates through the chain wheel through hole, the shifting fork is positioned on the outer side of the chain wheel, and the shifting fork is installed on the pin shaft;
the two bearings are respectively arranged on the pin shaft, the two bearings are positioned in the through hole of the chain wheel, and the spacing ring is positioned between the two bearings;
the pin shaft is provided with an oil supply channel, an oil nozzle is arranged on a channel inlet of the oil supply channel, and a channel outlet communicated with the oil supply channel is arranged on the pin shaft;
the channel outlet is located between the two bearings.
2. The driven sprocket assembly as set forth in claim 1, wherein said passage outlet is located between both side surfaces of said spacer ring in an axial direction along said sprocket through hole.
3. The driven sprocket assembly as set forth in claim 1, wherein snap springs for limiting the bearings are provided in the sprocket through holes, one of the snap springs being provided outside each of the bearings.
4. The driven sprocket assembly as set forth in claim 3, wherein a snap groove is provided in said sprocket through hole at an outer side of each of said bearings, respectively, said snap spring being mounted in said snap groove.
5. The driven sprocket assembly as set forth in claim 1, wherein a portion of said oil nipple extends outside of said pin.
6. The driven sprocket assembly as set forth in claim 1, wherein said oil nipple has a one-way valve therein.
7. The driven sprocket assembly as set forth in claim 1, wherein said spacer ring is integrally formed with said sprocket.
8. The driven sprocket assembly as set forth in any one of claims 1 to 7, wherein said pin has an end cap at one end and a nut at the other end;
the shifting fork comprises a shifting fork mounting plate, two shifting fork arms which are connected to the shifting fork mounting plate and are arranged at intervals, and a screw rod connected to the shifting fork mounting plate, wherein the screw rod and the shifting fork arms are positioned on two opposite sides of the shifting fork mounting plate;
the chain wheel is positioned between the two shifting fork arms;
and positioning rings are respectively arranged between the end cover and one shifting fork arm and between the nut and the other shifting fork arm.
9. The driven sprocket assembly as set forth in claim 8, wherein said fork mounting plate and said fork arm are integrally formed.
10. The driven sprocket assembly as set forth in claim 8, wherein a portion of said oil nipple projects outside of said end cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022100914.9U CN213360998U (en) | 2020-09-23 | 2020-09-23 | Driven chain wheel device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022100914.9U CN213360998U (en) | 2020-09-23 | 2020-09-23 | Driven chain wheel device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213360998U true CN213360998U (en) | 2021-06-04 |
Family
ID=76155020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022100914.9U Active CN213360998U (en) | 2020-09-23 | 2020-09-23 | Driven chain wheel device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213360998U (en) |
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2020
- 2020-09-23 CN CN202022100914.9U patent/CN213360998U/en active Active
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