CN213088327U - Box structure of frameless fan box - Google Patents
Box structure of frameless fan box Download PDFInfo
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- CN213088327U CN213088327U CN202021407732.XU CN202021407732U CN213088327U CN 213088327 U CN213088327 U CN 213088327U CN 202021407732 U CN202021407732 U CN 202021407732U CN 213088327 U CN213088327 U CN 213088327U
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- end cover
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- plate
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Abstract
The utility model relates to the technical field of fans, and discloses a box body structure of a frameless fan box, which comprises four side plates and two end cover plates, wherein each side plate comprises a panel in an L shape, a plurality of pairs of first insertion blocks and second insertion blocks are formed on the panel, the first insertion blocks and the second insertion blocks are arranged in a staggered manner, and the first insertion blocks are inserted between two adjacent second insertion blocks; the end cover plate comprises a rectangular plate matched with the end surface of a rectangular frame formed by enclosing four side plates, a positioning convex strip is formed on the rectangular plate, and the positioning convex strip is inserted and sleeved on the inner wall of the rectangular frame; the end cover plate is fixedly connected with the side plate through screws. Its curb plate and end cover board pass through mould direct forming, and between curb plate and the curb plate, can plug bush each other between curb plate and the end cover board together, make things convenient for the installation of box, and the box structure and the quality after the installation are comparatively stable, have saved welding process simultaneously, have reduced the pollution to the environment.
Description
The technical field is as follows:
the utility model relates to a fan technical field, concretely relates to box structure of no frame fan case.
Background art:
in the prior art, a box body of the fan box is generally formed by assembling an upright post and a panel, the interior of the box body is kept airtight and is provided with a fan, and the panel and the upright post are generally fixed by welding.
The utility model has the following contents:
the utility model aims at overcoming prior art's not enough, provide a box structure of no frame fan case, its curb plate and end cover board pass through mould direct forming, and between curb plate and the curb plate, can plug bush each other between curb plate and the end cover board together, make things convenient for the installation of box, and box structure and the quality after the installation are comparatively stable, have saved welding process simultaneously, have reduced the pollution to the environment.
The utility model provides a technical problem's scheme is:
a box body structure of a frameless fan box comprises four side plates and two end cover plates, wherein each side plate comprises an L-shaped panel, a plurality of pairs of first inserting blocks which are linearly and uniformly distributed are formed on the inner wall of the end part of a short edge of the panel, a plurality of second inserting blocks which are linearly and uniformly distributed are formed on the inner wall of the end part of a long edge of the panel, the first inserting blocks and the second inserting blocks are arranged in a staggered mode, and the first inserting blocks are inserted between every two adjacent second inserting blocks;
the first plug block and the second plug block are respectively provided with two through holes, two elastic pin assemblies are respectively arranged in the two through holes of the first plug block, each elastic pin assembly comprises two telescopic bolts, and the bolts are inserted in the through holes of the second plug block adjacent to the bolts;
the end cover plate comprises a rectangular plate matched with the end surface of a rectangular frame formed by enclosing four side plates, a positioning convex strip is formed on the rectangular plate, and the positioning convex strip is inserted and sleeved on the inner wall of the rectangular frame;
screw holes which correspond to the through holes in the second inserting block one by one are formed in the end cover plate; a threaded hole is formed in the inner wall of the outer end of the through hole in the second insert block on the outermost side;
and screws are sleeved in the screw holes and are in threaded connection with the corresponding threaded holes.
The elastic pin assembly comprises a spring seat fixed in the middle of the through hole in the second plug block, two springs are respectively fixed at two ends of the spring seat, and the outer end of each spring is fixedly connected with the inner end of a corresponding bolt.
The outer end of the bolt is formed with a cone.
The width L1 of the first insert block is smaller than the distance L2 between two adjacent second insert blocks.
And a plurality of reinforcing ribs are formed on the inner wall of the panel.
A first round angle is formed at the bending part of the panel;
the location sand grip is the right angle form, and the right angle department shaping of location sand grip has the second fillet, and the second fillet plug bush is in first fillet.
And a wind pipe connecting port is formed on the end cover plate.
The outer side wall of the first inserting block is flush with the inner wall of the short edge of the panel.
The utility model discloses an outstanding effect is:
compared with the prior art, the side plate and the end cover plate of the box body are directly formed through the die, the side plate and the end cover plate can be mutually inserted and sleeved together, the box body is convenient to install, the structure and the quality of the installed box body are stable, meanwhile, the welding process is omitted, and the pollution to the environment is reduced.
Description of the drawings:
fig. 1 is a schematic structural view of the present invention;
fig. 2 is a half sectional view of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2;
fig. 4 is a schematic structural view of a side plate of the present invention;
FIG. 5 is a schematic view of the side plates of the present invention;
fig. 6 is a schematic view of the two side plates and an end cover plate of the present invention.
The specific implementation mode is as follows:
in the embodiment, as shown in fig. 1 to 6, a box body structure of a frameless fan box comprises four side plates 1 and two end cover plates 2, wherein each side plate 1 comprises a panel 11 in an L shape, a plurality of pairs of first insertion blocks 12 which are linearly and uniformly distributed are formed on the inner wall of the end part of the short side of the panel 11, a plurality of second insertion blocks 13 which are linearly and uniformly distributed are formed on the inner wall of the end part of the long side of the panel 11, the first insertion blocks 12 and the second insertion blocks 13 are arranged in a staggered mode, and the first insertion blocks 12 are inserted and sleeved between two adjacent second insertion blocks 13;
the first insert block 12 and the second insert block 13 are respectively formed with two through holes 14, a pair of elastic pin assemblies 3 are respectively arranged in the two through holes 14 of the first insert block 12, each elastic pin assembly 3 comprises two telescopic bolts 31, and the bolts 31 are inserted and sleeved in the through holes 14 of the second insert block 13 adjacent to the bolts 31;
the end cover plate 2 comprises a rectangular plate 21 matched with the end face of a rectangular frame formed by enclosing the four side plates 1, a positioning convex strip 22 is formed on the rectangular plate 21, and the positioning convex strip 22 is inserted and sleeved on the inner wall of the rectangular frame;
screw holes which correspond to the through holes 14 on the second inserting block 13 one by one are formed in the end cover plate 2; a threaded hole 15 is formed in the inner wall of the outer end of the through hole 14 in the second insert block 13 at the outermost side;
the screw holes are sleeved with screws 4, and the screws 4 are in threaded connection with the corresponding threaded holes 15.
Furthermore, the elastic pin assembly 3 includes a spring seat 32 fixed to the middle of the through hole 14 of the second block 13, two springs 33 are fixed to two ends of the spring seat 32, and an outer end of each spring 33 is fixedly connected to an inner end of a corresponding one of the pins 31.
Further, the outer end of the plug 31 is formed with a tapered portion 34.
Furthermore, the width L1 of the first insert 12 is smaller than the distance L2 between two adjacent second inserts 13.
Further, a plurality of ribs 16 are formed on the inner wall of the panel 11.
Furthermore, a first round corner 17 is formed at the bending part of the panel 11;
the location sand grip 22 is the right angle form, and the shaping of the right angle department of location sand grip 22 has second fillet 23, and second fillet 23 plug bush is in first fillet 17.
Furthermore, the end cover plate 2 is formed with a duct connecting port 24.
Furthermore, the outer side wall of the first insert 12 is flush with the inner wall of the short side of the panel 11.
The working principle is as follows: firstly, the elastic pin assembly 3 is arranged in the through hole 14 of each first insertion hole 12, and the inserted pin 31 can be retracted into the through hole 14 of the first insertion block 12;
secondly, the first insert block 12 of one side plate 1 is inserted between two second insert blocks of another insert plate 1, the state is shown in fig. 5, the bolt 31 extends into the through hole of the second insert block 31, and the state is shown in fig. 2 and 3;
thirdly, mounting a third side plate and a fourth side plate in the same way;
fourthly, sleeving end cover plates on two ends of a rectangular frame formed by the four side plates in an enclosing mode, and aligning the positioning convex strips of the end cover plates 2 with the corners of the rectangular frame;
fifthly, the screw 4 is sleeved in the screw hole 23, and the screw 4 is screwed in the screw hole 15, thereby completing the box body installation work.
Finally, the above embodiments are only used for illustrating the present invention, and not for limiting the present invention, and those skilled in the relevant art can make various changes and modifications without departing from the spirit and scope of the present invention, so that all equivalent technical solutions also belong to the scope of the present invention, and the protection scope of the present invention should be defined by the claims.
Claims (8)
1. The utility model provides a box structure of frameless fan case, includes four curb plates (1) and two end cover board (2), its characterized in that: the side plate (1) comprises an L-shaped panel (11), a plurality of pairs of first inserting blocks (12) which are linearly and uniformly distributed are formed on the inner wall of the end part of the short side of the panel (11), a plurality of second inserting blocks (13) which are linearly and uniformly distributed are formed on the inner wall of the end part of the long side of the panel (11), the first inserting blocks (12) and the second inserting blocks (13) are arranged in a staggered mode, and the first inserting blocks (12) are inserted and sleeved between every two adjacent second inserting blocks (13);
the first insert block (12) and the second insert block (13) are respectively formed with two through holes (14), a pair of elastic pin assemblies (3) are respectively arranged in the two through holes (14) of the first insert block (12), each elastic pin assembly (3) comprises two telescopic bolts (31), and each bolt (31) is inserted in the through hole (14) of the adjacent second insert block (13);
the end cover plate (2) comprises a rectangular plate (21) matched with the end face of a rectangular frame formed by enclosing the four side plates (1), a positioning convex strip (22) is formed on the rectangular plate (21), and the positioning convex strip (22) is inserted and sleeved on the inner wall of the rectangular frame;
screw holes which correspond to the through holes (14) in the second inserting block (13) one by one are formed in the end cover plate (2); a threaded hole (15) is formed in the inner wall of the outer end of the through hole (14) in the second insert block (13) on the outermost side;
the screw holes are sleeved with screws (4), and the screws (4) are in threaded connection with the corresponding threaded holes (15).
2. The box structure of a frameless fan box of claim 1, wherein: the elastic pin assembly (3) comprises a spring seat (32) fixed in the middle of the through hole (14) in the second inserting block (13), two springs (33) are respectively fixed at two ends of the spring seat (32), and the outer end of each spring (33) is fixedly connected with the inner end of a corresponding bolt (31).
3. The box structure of a frameless fan box of claim 2, wherein: the outer end of the plug pin (31) is formed with a taper part (34).
4. The box structure of a frameless fan box of claim 1, wherein: the width L1 of the first insert block (12) is smaller than the distance L2 between two adjacent second insert blocks (13).
5. The box structure of a frameless fan box of claim 1, wherein: and a plurality of reinforcing ribs (16) are formed on the inner wall of the panel (11).
6. The box structure of a frameless fan box of claim 1, wherein: a first round angle (17) is formed at the bending part of the panel (11);
the positioning convex strips (22) are right-angle-shaped, a second round angle (23) is formed at the right angle of the positioning convex strips (22), and the second round angle (23) is inserted in the first round angle (17).
7. The box structure of a frameless fan box of claim 1, wherein: and a wind pipe connecting port (24) is formed on the end cover plate (2).
8. The box structure of a frameless fan box of claim 1, wherein: the outer side wall of the first insert block (12) is flush with the inner wall of the short side of the panel (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021407732.XU CN213088327U (en) | 2020-07-17 | 2020-07-17 | Box structure of frameless fan box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021407732.XU CN213088327U (en) | 2020-07-17 | 2020-07-17 | Box structure of frameless fan box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213088327U true CN213088327U (en) | 2021-04-30 |
Family
ID=75625244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021407732.XU Active CN213088327U (en) | 2020-07-17 | 2020-07-17 | Box structure of frameless fan box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213088327U (en) |
-
2020
- 2020-07-17 CN CN202021407732.XU patent/CN213088327U/en active Active
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