CN215521407U - Last vibration damping mount structure of roof fan - Google Patents
Last vibration damping mount structure of roof fan Download PDFInfo
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- CN215521407U CN215521407U CN202122115400.5U CN202122115400U CN215521407U CN 215521407 U CN215521407 U CN 215521407U CN 202122115400 U CN202122115400 U CN 202122115400U CN 215521407 U CN215521407 U CN 215521407U
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- frame
- lower frame
- upper frame
- roof fan
- damping mount
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Abstract
The utility model provides a vibration damping mount structure on roof fan, includes the underframe and the last frame of rectangle, and the underframe includes vertical lower framework, and equal shaping turns over to the outside and is the lower frame of rectangle on the upper and lower terminal surface of lower framework, the upper frame include vertical last framework, all the shaping turns over to the outside and is the last frame of rectangle on the upper and lower terminal surface of upper frame, the last frame of upper frame is fixed with a plurality of vertical guide posts, the lower extreme of guide post is pegged graft in the uide bushing, the lower extreme of uide bushing is fixed on the lower frame of underframe, it has damping spring to peg graft in the uide bushing, and damping spring's both ends are pressed respectively on lower frame and guide post. The damping base is provided with a structure for limiting the rotation of the nut and the screw rod, so that the separation of the screw rod and the nut after the nut is loosened can be effectively avoided.
Description
The technical field is as follows:
the utility model relates to the technical field of fans, in particular to a damping base structure on a roof fan.
Background art:
at present, roof fans are generally arranged at the tops of some factory buildings or high-rise buildings, particularly the tops of the high-rise buildings, the roof fans installed on the roof fans are connected with ventilation pipelines of the buildings, so that the power of the roof fans is generally higher, the problem of vibration cannot be avoided when the roof fans with higher power work, a plurality of roof fans are matched with damping bases, the damping bases are composed of two groups of rectangular frames, the upper frames are used for installing the fans and motors, the lower frames are used for fixedly connecting roofs, a plurality of damping springs are arranged between the two groups of frames, damping is carried out through the damping springs, the two groups of frames are connected through screws and nuts, namely, the screws are inserted into the two groups of frames, and the nuts are screwed at the two ends of the screws for limiting; however, in the operation process of the roof fan, the nuts on the screw rods are loosened, and the two groups of frames are easily separated due to the loosening and separation of the nuts; there is a need for a structure that effectively limits the loosening of the nut on the screw.
The utility model has the following contents:
the utility model aims to overcome the defects in the prior art, and provides a damping base structure on a roof fan.
A damping base structure on a roof fan comprises a rectangular lower frame and an upper frame, wherein the lower frame comprises a vertical lower frame body, lower frames which are folded outwards and are rectangular are respectively formed on the upper end surface and the lower end surface of the lower frame body, the upper frame comprises a vertical upper frame body, upper frames which are folded outwards and are rectangular are respectively formed on the upper end surface and the lower end surface of the upper frame body, a plurality of vertical guide posts are fixed on the upper frame of the upper frame, the lower ends of the guide posts are inserted into the guide sleeves, the lower ends of the guide sleeves are fixed on the lower frame of the lower frame, damping springs are inserted into the guide sleeves, and two ends of each damping spring are respectively pressed against the lower frame and the guide posts;
a plurality of D-shaped lower positioning holes are formed in the lower frame, a plurality of D-shaped upper positioning holes which are opposite to the lower positioning holes are formed in the upper frame, a plurality of screws with D-shaped cross sections are arranged between the lower frame and the upper frame, the upper ends of the screws penetrate through the upper positioning holes of the upper frame and are connected with upper nuts in a threaded mode, the upper nuts are fixedly welded on the screws, the lower ends of the screws penetrate through the lower positioning holes of the upper frame on the upper side of the lower frame and are connected with outer hexagon nuts in a threaded mode, a limiting base plate is inserted between the outer hexagon nuts and the lower frame, and the end faces of the two sides of the limiting base plate abut against the outer side wall of the outer hexagon nuts and the outer wall of the lower frame respectively; and a bump is formed at one end of the limiting base plate, a positioning bolt is screwed on the bump, and the tail end of the positioning bolt is inserted in the lower frame body.
Preferably, the guide posts are positioned on the upper frames at the front side and the rear side of the upper frame, and the screws are arranged at the front side and the rear side or the left side and the right side of the lower frame.
Preferably, the upper positioning hole is located on an upper frame on the lower side of the upper frame body, and an avoiding notch opposite to the upper nut is formed in the upper frame on the upper side of the upper frame body.
Preferably, a longitudinal beam is fixedly inserted into the upper frame in an inserting manner, a transverse supporting beam is fixedly welded on the longitudinal beam, and the other end of the transverse supporting beam is fixedly welded on the inner wall of the upper frame.
Preferably, the diameter of the circumscribed circle of the outer hexagon nut is smaller than the distance from the screw rod to the outer wall of the adjacent lower frame body.
Preferably, a plurality of rectangular mounting support plates are formed on the lower frame on the lower side of the lower frame body, and mounting holes are formed in the mounting support plates.
The utility model has the beneficial effects that:
the damping base is provided with a structure for limiting the rotation of the nut and the screw rod, so that the separation of the screw rod and the nut after the nut is loosened can be effectively avoided.
Description of the drawings:
fig. 1 is a schematic perspective view of the present invention.
FIG. 2 is a front view of the present invention;
FIG. 3 is a side view of the present invention.
In the figure: 1. a lower frame; 11. a lower frame body; 12. a lower frame; 13. a lower positioning hole; 14. mounting a support plate; 15. mounting holes; 2. an upper frame; 21. an upper frame body; 22. an upper frame; 23. an upper positioning hole; 24. avoiding the notch; 25. a stringer; 3. a guide sleeve; 4. a damping spring; 5. a guide post; 6. a screw; 7. screwing a nut; 8. an outer hexagonal nut; 9. a limiting base plate; 91. a bump; 10. and (6) positioning the bolt.
The specific implementation mode is as follows:
example (b): as shown in fig. 1 to 3, a damping base structure on a roof fan comprises a rectangular lower frame 1 and an upper frame 2, wherein the lower frame 1 comprises a vertical lower frame body 11, lower frame bodies 12 which are folded outwards and are rectangular are formed on the upper end surface and the lower end surface of the lower frame body 11, the upper frame 2 comprises a vertical upper frame body 21, upper frame bodies 22 which are folded outwards and are rectangular are formed on the upper end surface and the lower end surface of the upper frame body 21, a plurality of vertical guide posts 5 are fixed on the upper frame bodies 22 of the upper frame 2, the lower ends of the guide posts 5 are inserted into guide sleeves 3, the lower ends of the guide sleeves 3 are fixed on the lower frame bodies 12 of the lower frame 1, damping springs 4 are inserted into the guide sleeves 3, and two ends of the damping springs 4 are respectively pressed against the lower frame bodies 12 and the guide posts 5;
a plurality of D-shaped lower positioning holes 13 are formed in the lower frame 12, a plurality of D-shaped upper positioning holes 23 which are opposite to the lower positioning holes 13 are formed in the upper frame 22, a plurality of screws 6 with D-shaped cross sections are arranged between the lower frame 1 and the upper frame 2, upper nuts 7 are screwed on the upper ends of the screws 6 penetrating through the upper positioning holes 23 of the upper frame 22, the upper nuts 7 are welded and fixed on the screws 6, outer hexagon nuts 8 are screwed on the lower ends of the screws 6 penetrating through the lower positioning holes 13 of the upper frame 22 on the upper side of the lower frame 11, limit backing plates 9 are inserted between the outer hexagon nuts 8 and the lower frame 11, and the end surfaces on the two sides of the limit backing plates 9 are respectively abutted against the outer side walls of the outer hexagon nuts 8 and the outer wall of the lower frame 11; a bump 91 is formed at one end of the limiting cushion plate 9, a positioning bolt 10 is screwed on the bump 91, and the tail end of the positioning bolt 10 is inserted in the lower frame 11.
Preferably, the guide posts 5 are located on the upper frames 22 at the front and rear sides of the upper frame 2, and the screws 6 are arranged at the front and rear sides or the left and right sides of the lower frame 1.
Preferably, the upper positioning hole 23 is located on the upper frame 22 at the lower side of the upper frame 21, and an escape notch 24 opposite to the upper nut 7 is formed on the upper frame 22 at the upper side of the upper frame 21.
Preferably, a longitudinal beam 25 is fixedly inserted into the upper frame 2, a transverse beam 26 is fixedly welded on the longitudinal beam 25, and the other end of the transverse beam 26 is fixedly welded on the inner wall of the upper frame 2.
Preferably, the diameter of the circumscribed circle of the outer hexagonal nut 8 is smaller than the distance from the screw 6 to the outer wall of the adjacent lower frame 11.
Preferably, a plurality of rectangular mounting brackets 14 are formed on the lower frame 12 at the lower side of the lower frame 11, and mounting holes 15 are formed on the mounting brackets 14.
The working principle is as follows: the utility model relates to a damping base structure on a roof fan, which consists of two rectangular lower frames 1 and two rectangular upper frames 2, wherein the lower frames 1 and the upper frames 2 are damped through damping springs 4, and the specific technical points are that a screw 6, an upper nut 7 and an outer hexagonal nut 8 which are connected between the lower frames 1 and the upper frames 2 are provided with D-shaped lower positioning holes 13 and upper positioning holes 23 for inserting the D-shaped screw 6, the screw 6 cannot rotate, and the upper nut 7 and the screw 6 are fixed by welding, so that the two cannot be separated;
although the outer hexagon nut 8 is screwed on the screw rod 6, a limiting cushion plate 9 is inserted between the outer hexagon nut 8 and the lower frame 1, and the limiting cushion plate 9 can limit the rotation of the outer hexagon nut 8, so that the outer hexagon nut 8 cannot be loosened on the screw rod 6.
The examples are intended to illustrate the utility model, but not to limit it. The described embodiments may be modified by those skilled in the art without departing from the spirit and scope of the present invention, and therefore, the scope of the appended claims should be accorded the full scope of the utility model as set forth in the appended claims.
Claims (6)
1. The utility model provides a vibration damping mount structure on roof fan, includes underframe (1) and last frame (2) of rectangle, underframe (1) includes vertical lower framework (11), and equal shaping turns over to the outside and be lower frame (12) of rectangle on the upper and lower terminal surface of lower framework (11), last frame (2) including vertical last framework (21), upward all shaping turns over to the outside and be last frame (22) of rectangle on the upper and lower terminal surface of framework (21), its characterized in that: a plurality of vertical guide posts (5) are fixed on an upper frame (22) of the upper frame (2), the lower ends of the guide posts (5) are inserted into guide sleeves (3), the lower ends of the guide sleeves (3) are fixed on a lower frame (12) of the lower frame (1), damping springs (4) are inserted into the guide sleeves (3), and two ends of each damping spring (4) are pressed against the lower frame (12) and the guide posts (5) respectively;
the lower frame (12) is provided with a plurality of D-shaped lower positioning holes (13), the upper frame (22) is provided with a plurality of D-shaped upper positioning holes (23) which are opposite to the lower positioning holes (13), a plurality of screws (6) with the cross sections being D-shaped are arranged between the lower frame (1) and the upper frame (2), the upper ends of the screws (6) penetrate through the upper positioning holes (23) of the upper frame (22) and are in threaded connection with upper nuts (7), the upper nuts (7) are welded and fixed on the screws (6), the lower ends of the screws (6) penetrate through the lower positioning holes (13) of the upper frame (22) on the upper side of the lower frame (11) and are in threaded connection with outer hexagon nuts (8), limiting cushion plates (9) are inserted between the outer hexagon nuts (8) and the lower frame (11), and the end surfaces of two sides of the limiting cushion plates (9) respectively abut against the outer side walls of the outer hexagon nuts (8) and the outer wall of the lower frame (11); one end of the limiting cushion plate (9) is formed with a convex block (91), the convex block (91) is connected with a positioning bolt (10) in a threaded mode, and the tail end of the positioning bolt (10) is connected to the lower frame body (11) in an inserted mode.
2. The structure of claim 1, wherein the damping mount on a roof fan comprises: the guide posts (5) are positioned on the upper frames (22) at the front side and the rear side of the upper frame (2), and the front side and the rear side or the left side and the right side of the lower frame (1) are respectively provided with a screw (6).
3. The structure of claim 1, wherein the damping mount on a roof fan comprises: the upper positioning hole (23) is positioned on the upper frame (22) on the lower side of the upper frame body (21), and an avoiding notch (24) opposite to the upper nut (7) is formed in the upper frame (22) on the upper side of the upper frame body (21).
4. The structure of claim 1, wherein the damping mount on a roof fan comprises: the upper frame (2) is fixedly inserted with a longitudinal beam (25), the longitudinal beam (25) is fixedly welded with a transverse supporting beam (26), and the other end of the transverse supporting beam (26) is fixedly welded on the inner wall of the upper frame (2).
5. The structure of claim 1, wherein the damping mount on a roof fan comprises: the diameter of the circumscribed circle of the outer hexagonal nut (8) is smaller than the distance from the screw rod (6) to the outer wall of the adjacent lower frame body (11).
6. The structure of claim 1, wherein the damping mount on a roof fan comprises: a plurality of rectangular mounting support plates (14) are formed on the lower frame (12) on the lower side of the lower frame body (11), and mounting holes (15) are formed in the mounting support plates (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122115400.5U CN215521407U (en) | 2021-09-03 | 2021-09-03 | Last vibration damping mount structure of roof fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122115400.5U CN215521407U (en) | 2021-09-03 | 2021-09-03 | Last vibration damping mount structure of roof fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215521407U true CN215521407U (en) | 2022-01-14 |
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ID=79795430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122115400.5U Active CN215521407U (en) | 2021-09-03 | 2021-09-03 | Last vibration damping mount structure of roof fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215521407U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114893453A (en) * | 2022-05-27 | 2022-08-12 | 浙江当代风机有限公司 | Fire-fighting smoke exhaust fan |
-
2021
- 2021-09-03 CN CN202122115400.5U patent/CN215521407U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114893453A (en) * | 2022-05-27 | 2022-08-12 | 浙江当代风机有限公司 | Fire-fighting smoke exhaust fan |
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