CN214891664U

CN214891664U - Ventilation system is used in workshop for macromolecular material production

Info

Publication number: CN214891664U
Application number: CN202121021052.9U
Authority: CN
Inventors: 李炳清
Original assignee: Chongqing Taishan Polymer Materials Co ltd
Current assignee: Chongqing Taishan Polymer Materials Co ltd
Priority date: 2021-05-13
Filing date: 2021-05-13
Publication date: 2021-11-26
Anticipated expiration: 2031-05-13

Abstract

The utility model relates to the technical field of ventilation systems, in particular to a ventilation system for workshops for producing high polymer materials, which comprises a mounting frame, a ventilation fan and a protective net, wherein mounting holes are arranged on the mounting frame, the ventilation fan is inserted in the mounting holes, the upper end and the lower end of the mounting frame are provided with fixing holes, the inner parts of the fixing holes are symmetrically provided with locking holes, and connecting devices are inserted in the fixing holes and are fixedly arranged at the upper end and the lower end of the protective net, connecting posts on the protective net are inserted in the fixing holes on the mounting frame, then an inserting rod is pushed, an arc-shaped plate below the inserting rod is inserted between the locking blocks, the locking blocks are inserted in the locking holes in the fixing holes, the fixed connection of the mounting frame and the protective net is realized, when the installation is disassembled, the inserting rod can be ejected out only by rotating a limiting post out of the fixing ring hole, so that the locking blocks are withdrawn from the locking holes to realize the separation, the mechanism is firm in connection and convenient to operate.

Description

Ventilation system is used in workshop for macromolecular material production

Technical Field

The utility model relates to a ventilation system technical field specifically is a ventilation system is used in workshop for macromolecular material production.

Background

Macromolecular material all is very common material in our life and work, and some macromolecular material can produce some bad smells or harmful gas when making, need follow the quick emission in polymer workshop, just so can not influence staff's work efficiency and healthy, and current ventilation system is mostly played main ventilation's effect by ventilating fan, and the protection network on the current ventilating fan is generally fixed through the bolt, the bolt is easy to produce after the time has long is not hard up, lead to coming off of protection network, or the bolt is rusty and is necrotic, lead to the protection network difficult in order to dismantle, make the clearance and the maintenance of protection network and ventilating fan very trouble, just so lead to ventilation effect to receive the influence, and then influence macromolecular material's production efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a ventilation system is used in workshop for macromolecular material production to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a ventilation system for a workshop for producing high polymer materials comprises a mounting rack, a ventilation fan and a protective net, wherein the mounting rack is provided with mounting holes, the ventilation fan is inserted in the mounting holes, and the upper and lower ends of the mounting rack are provided with fixing holes, the inner parts of the fixing holes are symmetrically provided with locking holes, and the connecting devices are inserted in the fixing holes and fixedly arranged at the upper end and the lower end of the protective net, a limiting block is welded and fixed on the protective net, a connecting hole is arranged on the limiting block, a through groove is arranged on the inner side of the connecting hole, the lower end of the through groove is provided with a fixed ring hole, the other end of the connecting hole penetrates through the connecting device, and a pushing device is inserted into the connecting hole, the pushing device is inserted into the locking device in a state that the mounting frame is connected with the protective net, and the locking device is inserted into the connecting device.

Preferably, the connecting device is a connecting column, a through hole is formed in the connecting column, a sliding groove is formed in the side face inside the through hole, the surface of the sliding groove is smooth and free of burrs, the height and the width of the through hole are the same as those of the locking hole, and when the connecting column is inserted into the fixing hole, the through hole is aligned with the locking hole.

Preferably, thrust unit includes inserted bar and arc, the inserted bar is pegged graft in the connecting hole, and the lower extreme of inserted bar pegs graft and has the bearing, the bearing cooperation has the arc, and is close to the one end welded fastening who has the arc on the inserted bar and has a spacing post, and keeps away from the one end cup joint of arc and have the spring.

Preferably, the locking device comprises a first locking block and a second locking block, elastic sliding strips are welded at two ends of the first locking block and two ends of the second locking block respectively, the elastic sliding strips are inserted into the sliding grooves, and arc-shaped grooves are formed in the first locking block and the second locking block respectively.

Preferably, the arc-shaped plate is inserted between the locking blocks in a working state, the limiting column is inserted in the fixing ring hole in a rotating mode, and the diameter of the spring on the insertion rod is larger than that of the connecting hole.

Preferably, a piston rod is arranged on the first locking block, a negative pressure cavity is formed in the second locking block, and the piston rod is inserted into the negative pressure cavity.

Preferably, the width of the locking hole is slightly larger than that of the locking block, and the height of the locking hole is larger than that of the locking block.

Compared with the prior art, the beneficial effects of the utility model are that:

through this technical scheme's practicality, in the fixed orifices on the mounting bracket is pegged graft to the connecting post on the protection network, then promote the peg graft pole, make the arc of peg graft pole below peg graft between the locking piece, will make the locking piece move to the back like this, peg graft in the locking hole in the fixed orifices, realize the fixed connection of mounting bracket and protection network, then rotate the peg graft pole, make spacing post rotate in the fixed ring hole, realize the fixed of peg graft pole, guarantee that it can not down the outer spring under the effect of spring, as long as rotate spacing post out fixed ring hole peg graft pole and can launch out during the dismantlement, make the locking piece withdraw from the locking hole and realize the separation, this mechanism firm in connection, and convenient operation.

Drawings

Fig. 1 is an exploded schematic view of the connection of a protective net and a mounting frame;

fig. 2 is an exploded schematic view of the protection net;

FIG. 3 is an enlarged schematic view at A in FIG. 1;

FIG. 4 is an enlarged schematic view at B of FIG. 2;

fig. 5 is a sectional view of the protection net;

fig. 6 is a cross-sectional view of the mounting bracket.

In the figure: mounting bracket 1, protection network 2, ventilation fan 3, mounting hole 4, fixed orifices 5, stopper 6, connecting hole 7, logical groove 8, spliced pole 9, first locking piece 10, piston rod 11, elasticity draw runner 12, spout 13, second locking piece 14, negative pressure chamber 15, arc wall 16, spring 17, peg graft pole 18, spacing post 19, bearing 20, arc 21, fixed ring hole 22, locking hole 23.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 6, the present invention provides a technical solution:

the utility model provides a ventilation system is used in workshop for macromolecular material production, including mounting bracket 1, ventilation fan 3 and protection network 2, mounting hole 4 has been seted up on the mounting bracket, ventilation fan 3 has been pegged graft in mounting hole 4, and fixed orifices 5 have been seted up at the upper and lower both ends of mounting bracket 1, locking hole 23 has been seted up to the inside symmetry of fixed orifices 5, and it has connecting device and connecting device to be spliced in the fixed orifices 5 for spliced pole 9, the through-hole has been seted up on spliced pole 9, and seted up spout 13 on the inside side of through-hole, spout 13's the smooth no burr in surface, and the height and the width of through-hole are the same with locking hole 23, and when spliced pole 9 pegs graft in the fixed orifices 5, the through-hole aligns with locking hole 23 and the width of locking hole 23 slightly is greater than the width of locking piece, and highly be greater than the height of locking piece.

The connecting device is fixedly arranged at the upper end and the lower end of the protective net 2, the protective net 2 is fixedly welded with a limiting block 6, the limiting block 6 is provided with a connecting hole 7, the inner side of the connecting hole 7 is provided with a through groove 8, the lower end of the through groove 8 is provided with a fixed ring hole 22, the other end of the connecting hole 7 penetrates through the connecting device, and a pushing device is inserted in the connecting hole 7 and comprises an inserting rod 18 and an arc-shaped plate 21, the inserting rod 18 is inserted in the connecting hole 7, and the lower end of the inserting rod 18 is inserted with a bearing 20, the bearing 20 is matched with an arc plate 21, and a limiting column 19 is welded and fixed at one end of the inserting rod 18 close to the arc plate 21, and one end far away from the arc-shaped plate 21 is sleeved with a spring 17 and the arc-shaped plate 21 is inserted between the locking blocks in a working state, and the limiting column 19 is inserted in the fixed ring hole 22 through rotation, and the diameter of the spring 17 on the insertion rod 18 is larger than that of the connecting hole 7.

The pushing device is inserted into the locking device in a state that the mounting frame 1 and the protective net 2 are connected, the locking device is inserted into the connecting device and comprises a first locking block 10 and a second locking block 14, two ends of the first locking block 10 and the second locking block 14 are respectively provided with an elastic sliding strip 12 in a welding mode, the elastic sliding strips 12 are inserted into the sliding grooves 13, the first locking block 10 and the second locking block 14 are respectively provided with an arc-shaped groove 16, the first locking block 10 is provided with a piston rod 11, the second locking block 14 is provided with a negative pressure cavity 15, and the piston rod 11 is inserted into the negative pressure cavity 15.

The working principle is as follows: the utility model aims at the connecting column 9 to the fixing hole 5 to be inserted downwards during working, then the inserting rod 18 is pushed to one end close to the locking block, thus the inserting rod 18 can push the arc plate 21 to move forwards and be inserted into the arc groove 16 formed between the locking blocks, thus the two locking blocks are pushed away along the groove surface of the arc groove 16, thus the locking blocks can enter the locking holes 23 to realize locking, namely the fixed connection of the mounting frame 1 and the protective net 2 is realized, and the piston rod 11 moves out of the negative pressure cavity 15 in the process of the backward movement of the locking blocks, thus the negative pressure is formed in the negative pressure cavity 15, and because the arc plate 21 blocks are blocked in the locking blocks, the locking blocks can not move in opposite directions, and the elastic slide bar 12 has the function of ensuring that the locking blocks can not be separated from the connecting column 9, the elastic slide bar 12 can be inserted into the sliding groove 13 only by extruding the elastic slide bar 12, thereby realizing the connection of the locking blocks and the connecting column 9, when the inserting rod 18 is pushed, the spring 17 on the inserting rod 18 is pressed by the limiting block 6 to be in a compressed state, when the plugging rod 18 moves to the position between the locking blocks, the limiting column 19 also reaches the position of the fixing ring hole 22, to ensure that the arcuate plate 21 does not spring out from between the locking blocks under the action of the spring 17, so that the insertion rod 18 is rotated to rotate the position-limiting column 19 into the fixing ring hole 22 to realize fixing, therefore, the locking block can be ensured to be inserted into the locking hole 23, the connection between the mounting rack 1 and the protective net 2 is realized, the operation is very convenient, when the protective screening 2 needs to be disassembled, the inserting rod 18 is also rotated to enable the limiting column 19 to move to the position of the through groove 8, then the arc-shaped plates 21 are made to pop out of the space between the locking blocks under the action of the springs 17, so that the locking blocks move oppositely to exit the locking holes 23 under the action of negative pressure, and the protective net 2 can be disassembled.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a ventilation system is used in workshop for macromolecular material production, includes mounting bracket (1), ventilation fan (3) and protection network (2), its characterized in that: the mounting frame is provided with mounting holes (4), a ventilation fan (3) is inserted into the mounting holes (4), fixing holes (5) are formed in the upper end and the lower end of the mounting frame (1), locking holes (23) are symmetrically formed in the fixing holes (5), a connecting device is inserted into the fixing holes (5), the connecting device is fixedly arranged at the upper end and the lower end of the protective net (2), a limiting block (6) is fixedly welded on the protective net (2), a connecting hole (7) is formed in the limiting block (6), a through groove (8) is formed in the inner side of the connecting hole (7), a fixing ring hole (22) is formed in the lower end of the through groove (8), the other end of the connecting hole (7) penetrates through the connecting device, a pushing device is inserted into the connecting hole (7), and the pushing device is inserted into the locking device in a state that the mounting frame (1) and the protective net (2) are connected, the locking device is plugged into the connecting device.

2. The ventilation system for a plant for producing a polymer material according to claim 1, wherein: the connecting device is a connecting column (9), a through hole is formed in the connecting column (9), a sliding groove (13) is formed in the inner side face of the through hole, the surface of the sliding groove (13) is smooth and free of burrs, the height and the width of the through hole are the same as those of the locking hole (23), and when the connecting column (9) is inserted into the fixing hole (5), the through hole is aligned with the locking hole (23).

3. The ventilation system for a plant for producing a polymer material according to claim 1, wherein: the pushing device comprises an inserting rod (18) and an arc-shaped plate (21), the inserting rod (18) is inserted into the connecting hole (7), a bearing (20) is inserted into the lower end of the inserting rod (18), the arc-shaped plate (21) is matched with the bearing (20), a limiting column (19) is welded and fixed to one end, close to the arc-shaped plate (21), of the inserting rod (18), and a spring (17) is sleeved at one end, far away from the arc-shaped plate (21).

4. The ventilation system for a plant for producing a polymer material according to claim 1, wherein: the locking device comprises a first locking block (10) and a second locking block (14), elastic sliding strips (12) are welded at two ends of the first locking block (10) and the second locking block (14) respectively, the elastic sliding strips (12) are inserted into sliding grooves (13), and arc-shaped grooves (16) are formed in the first locking block (10) and the second locking block (14) respectively.

5. The ventilation system for the workshop according to claim 3, wherein the ventilation system comprises: the arc-shaped plate (21) is inserted between the locking blocks in a working state, the limiting column (19) is inserted in the fixing ring hole (22) in a rotating mode, and the diameter of the spring (17) on the insertion rod (18) is larger than that of the connecting hole (7).

6. The ventilation system for a plant for producing a polymer material according to claim 4, wherein: a piston rod (11) is arranged on the first locking block (10), a negative pressure cavity (15) is formed in the second locking block (14), and the piston rod (11) is inserted into the negative pressure cavity (15).

7. The ventilation system for a plant for producing a polymer material according to claim 2, wherein: the width of the locking hole (23) is slightly larger than that of the locking block, and the height of the locking hole is larger than that of the locking block.