CN214742871U - Fan coupling piece - Google Patents
Fan coupling piece Download PDFInfo
- Publication number
- CN214742871U CN214742871U CN202120943269.9U CN202120943269U CN214742871U CN 214742871 U CN214742871 U CN 214742871U CN 202120943269 U CN202120943269 U CN 202120943269U CN 214742871 U CN214742871 U CN 214742871U
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- coupling
- coupling piece
- cushion collar
- hole
- fan
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Abstract
The utility model discloses a fan coupling spare, including coupling subassembly and safety cover, the coupling subassembly include first coupling piece, second coupling piece, through-hole, cushion collar and connecting bolt, first coupling piece and second coupling piece on set up the through-hole respectively, the through-hole in be equipped with cylindric cushion collar, through-hole and cushion collar between be equipped with and end a mechanism, the cushion collar in be equipped with the connecting bolt that is used for connecting first coupling piece and second coupling piece. The utility model discloses a cylindric cushion collar, the locating surface through the cushion collar during installation cooperatees with the conical surface of shaft coupling piece, realizes automatic positioning, and easy to assemble has shortened the assembly time spent, and the structure of cushion collar has prolonged the life cycle of cushion collar.
Description
Technical Field
The utility model relates to a fan installation technical field, concretely relates to fan coupling spare.
Background
The coupling is a device for connecting two shafts or a shaft and a rotating part, rotating together in the process of transmitting motion and power and not separating under normal conditions. Sometimes it is used as a safety device to prevent the coupled machine parts from bearing excessive load, and it plays the role of overload protection.
The existing buffer parts in the coupler are formed by embedding a plurality of buffer sleeves with the same structure and size into a coupler cavity. The buffer sleeve has the phenomena of frequent impact, easy aging and the like in use, has short service cycle and belongs to a vulnerable part. When the buffer sleeve is damaged or aged and replaced, the time is consumed.
Disclosure of Invention
The utility model discloses it is not enough to the above-mentioned that prior art exists, provides a fan coupling piece, the utility model discloses set up the buffer sleeve to an organic piece, its and coupling piece automatic positioning ensure the result of use during the installation.
In order to realize the purpose, the utility model discloses a technical scheme is:
the utility model provides a fan coupling spare, includes coupling subassembly and safety cover, the coupling subassembly include first coupling piece, second coupling piece, through-hole, cushion collar and connecting bolt, first coupling piece and second coupling piece on set up the through-hole respectively, the through-hole in be equipped with cylindric cushion collar, through-hole and cushion collar between be equipped with and end a mechanism, the cushion collar in be equipped with the connecting bolt who is used for connecting first coupling piece and second coupling piece.
Furthermore, the length of the buffer sleeve is smaller than the sum of the lengths of the through holes in the first coupling block and the second coupling block.
Furthermore, the stop mechanism comprises a positioning surface and a conical surface, the positioning surface is arranged on one side of the through hole in the second coupling block, and the conical surface matched with the positioning surface is arranged on one side of the buffer sleeve.
Further, the safety cover both ends link together with the mesa respectively, the safety cover include fixed part and movable part, fixed part and movable part between pass through bolted connection.
Furthermore, the safety cover include the base plate and with base plate swing joint's extension board, the base plate both sides be equipped with the extension board respectively.
Furthermore, one side of the extension plate is provided with a positioning rod, and one end of the positioning rod is in contact with the first coupling block or the second coupling block.
The utility model discloses beneficial effect who has:
1. the utility model discloses a cylindric cushion collar, the locating surface through the cushion collar during installation cooperatees with the conical surface of shaft coupling piece, realizes automatic positioning, and easy to assemble has shortened the assembly time spent, and the structure of cushion collar has prolonged the life cycle of cushion collar.
2. The protective cover of the utility model is arranged as the fixed part and the movable part, which is convenient for opening the protective cover to overhaul the coupling part and has simple operation; and the use size of protection casing can be adjusted according to the specification of shaft coupling spare, uses in a flexible way and application scope extensively.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is an enlarged view of a cross-sectional view taken along line A-A of FIG. 1;
fig. 3 is a schematic structural diagram of the present invention.
Description of reference numerals:
1-protective cover, 2-fixed part, 3-movable part, 4-bolt, 5-base plate, 6-extension plate, 7-positioning rod, 8-first coupling block, 9-second coupling block, 10-through hole, 11-buffer sleeve and 12-connecting bolt.
Detailed Description
For a better understanding of the present invention, reference is made to the following description taken in conjunction with the accompanying drawings. It is noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example (b):
the utility model provides a fan shaft coupling, as shown in figure 1, includes shaft coupling subassembly and safety cover 1, 1 both ends of safety cover link together with the mesa respectively, safety cover 1 include fixed part 2 and movable part 3, fixed part 2 and movable part 3 between be connected through bolt 4, this structure conveniently opens protection cover 1 and overhauls the shaft coupling, easy operation.
As shown in fig. 2 and 3, the protective cover includes a base plate 5 and an extension plate 6 movably connected to the base plate 5, the extension plates 6 are respectively disposed on two sides of the base plate 5, and a sliding slot for moving the base plate 5 is disposed on the extension plate 6.
As shown in fig. 3, a positioning rod 7 is arranged on one side of the extension plate 6, one end of the positioning rod 7 is in contact with the first coupling block 8 or the second coupling block 9, and the protection area of the protection cover 1 is always larger than that of the coupling piece due to the structure, so that the protection effect is ensured.
As shown in fig. 2, the coupling assembly includes a first coupling block 8, a second coupling block 9, through holes 10, a buffer sleeve 11 and a connecting bolt 12, the through holes 10 are respectively formed on the first coupling block 8 and the second coupling block 9, and the through holes 10 are circumferentially distributed around the center of the coupling block.
As shown in fig. 2, a cylindrical buffer sleeve 11 is arranged in the through hole 10, the length of the buffer sleeve 11 is less than the sum of the lengths of the through holes 10 on the first coupling block 8 and the second coupling block 9, and the structure prolongs the service cycle of the buffer sleeve 11.
As shown in fig. 2, a stop mechanism is arranged between the through hole 10 and the buffer sleeve 11, the stop mechanism comprises a positioning surface and a conical surface, the positioning surface is arranged on one side of the through hole 10 on the second coupling block 9, the conical surface matched with the positioning surface is arranged on one side of the buffer sleeve 11, and the positioning surface of the buffer sleeve is matched with the conical surface of the coupling block during installation to realize automatic positioning.
When the connecting device is used, the first coupling block 8 and the second coupling block 9 are firstly close to each other, the through holes 10 on the first coupling block and the second coupling block are aligned with each other, then the buffer sleeve 11 is put in until the buffer sleeve 11 is matched with the positioning surface, then the coupling blocks are connected together through the connecting bolt 12, and then the corresponding rotating shafts are connected together with the corresponding coupling blocks.
Then, two ends of the lower part of the protective cover 1 are connected with the table top, the protective cover 1 is connected with the coupling piece, the extending plate 6 is moved towards the direction far away from the base plate 5 by hands, so that the protective area of the protective cover 1 is larger than that of the coupling piece, and the protective cover 1 is conveniently connected with the coupling piece.
When the coupling member needs to be overhauled, the user loosens the bolt 4 and moves the movable part of the protective cover 1, so that the coupling member is exposed to the user, the overhauling is convenient, and the opening mode is simple to operate.
Claims (6)
1. The utility model provides a fan coupling spare, includes coupling subassembly and safety cover, its characterized in that, the coupling subassembly include first coupling piece, second coupling piece, through-hole, cushion collar and connecting bolt, first coupling piece and second coupling piece on set up the through-hole respectively, the through-hole in be equipped with cylindric cushion collar, through-hole and cushion collar between be equipped with and end a position mechanism, the cushion collar in be equipped with the connecting bolt who is used for connecting first coupling piece and second coupling piece.
2. The fan coupling according to claim 1, wherein the length of the buffer sleeve is less than the sum of the lengths of the through holes of the first coupling block and the second coupling block.
3. The fan coupling according to claim 1, wherein the stop mechanism comprises a positioning surface and a conical surface, the positioning surface is arranged on one side of the through hole on the second coupling block, and the conical surface matched with the positioning surface is arranged on one side of the buffer sleeve.
4. A fan coupling according to any of claims 1-3, wherein the two ends of the shield are respectively connected to the table, the shield comprises a fixed portion and a movable portion, and the fixed portion and the movable portion are connected by a bolt.
5. The fan coupling according to claim 4, wherein the shield comprises a base plate and an extension plate movably connected to the base plate, and the extension plate is disposed on each side of the base plate.
6. The fan coupling according to claim 5, wherein a positioning rod is disposed on one side of the extension plate, and one end of the positioning rod is in contact with the first coupling block or the second coupling block.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120943269.9U CN214742871U (en) | 2021-04-30 | 2021-04-30 | Fan coupling piece |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120943269.9U CN214742871U (en) | 2021-04-30 | 2021-04-30 | Fan coupling piece |
Publications (1)
Publication Number | Publication Date |
---|---|
CN214742871U true CN214742871U (en) | 2021-11-16 |
Family
ID=78616340
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202120943269.9U Active CN214742871U (en) | 2021-04-30 | 2021-04-30 | Fan coupling piece |
Country Status (1)
Country | Link |
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CN (1) | CN214742871U (en) |
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2021
- 2021-04-30 CN CN202120943269.9U patent/CN214742871U/en active Active
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