Negative pressure fan convenient to assemble

Abstract

The utility model discloses a negative pressure fan convenient to assemble, which comprises a mounting rack, a wind scooper is mounted at the bottom end of the mounting rack, a protection mechanism is mounted at the end part of the wind scooper, a quick mounting mechanism is arranged in the mounting rack, a motor is mounted on the quick mounting mechanism, an impeller is mounted at the end part of an output shaft of the motor, and a fan is mounted on the impeller. And the quick mounting mechanism comprises an embedding seat, an embedding groove is formed in the embedding seat, and a rotating ring is rotationally connected to the interior of the embedding seat. According to the negative pressure fan convenient to assemble, a motor is embedded into an embedding groove in the center of an embedding base, then a rotating ring is rotated to drive a locking insertion rod to move and be inserted into a through hole in the motor to be fixed, at the moment, a fixing hole moves to the bottom of a fixing insertion pin, and the fixing insertion pin is inserted into the fixing hole through a second spring to be locked; the motor can be quickly mounted and dismounted, assembly is facilitated, meanwhile, the motor can be conveniently overhauled, and the overhauling convenience is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to negative pressure fan technical field, concretely is a negative pressure fan convenient to assemble. BACKGROUND

[0002] The negative pressure fan is the equipment that utilizes air convection, negative pressure ventilation principle to reach the cooling ventilation effect, in prior art, when the negative pressure fan is assembled, needs to use multiple bolts to fix the motor, and it is time -consuming and labor -intensive to install and remove multiple bolts, so that subsequent maintenance is more inconvenient.

[0003] For example, patent publication No. CN214945145U, specifically a negative pressure fan convenient to assemble and connect, including the shell of negative pressure fan, the shell includes the lower cover shell of rectangle, the upper end of lower cover shell is formed with the transition cover shell that gradually reduces shape change presents circle, the upper end of transition cover shell is formed with the upper cover shell of cylinder, the air duct is inserted and fixed on the upper cover shell, the inner wall of transition cover shell of shell is formed with a plurality of rectangular recesses that protrude outward, the side wall of rectangular recess is formed with mounting hole;The motor and impeller are inserted in the shell, the impeller is inserted and fixed on the rotating shaft of motor, a plurality of support plates are fixed on the outer wall of motor, the outer end of support plate is inserted in the rectangular recess of shell and is formed with connecting plate by bending, the connecting plate is formed with bolt via hole opposite mounting hole, and the connecting plate is fixed on the shell through bolt assembly, it is provided with recess that positions and arranges motor support on the shell of negative pressure fan, when the fan is assembled, the position of motor support does not need to be adjusted, and the assembly operation of negative pressure fan is convenient, and there is the problem that multiple bolts are used to fix the motor when the negative pressure fan is assembled, it is time -consuming and labor -intensive to install and remove multiple bolts, so that subsequent maintenance is more inconvenient. UTILITY MODEL CONTENTS

[0004] In view of the defects of the prior art, the utility model provides a negative pressure fan convenient to assemble, which solves the problems that multiple bolts are used to fix the motor when the negative pressure fan is assembled, it is time -consuming and labor -intensive to install and remove multiple bolts, and subsequent maintenance is more inconvenient.

[0005] To achieve the above purpose, the utility model realizes the following technical scheme: a negative pressure fan convenient to assemble, including mounting frame, the mounting frame bottom end is installed with the air deflector, the air deflector end is installed with the protection mechanism, the mounting frame inside is equipped with quick -wearing mechanism, the quick -wearing mechanism is installed with motor, and the output shaft end of motor is installed with impeller;

[0006] The quick mounting mechanism comprises an embedding seat, an embedding groove is formed in the embedding seat, a rotating ring is rotatably connected inside the embedding seat, a plurality of guide push blocks are fixedly connected to the inner side surface of the rotating ring, a limiting block is fixedly connected to the end of the guide push block, a fixed seat is arranged on one side of the guide push block, a guide sliding block is slidably connected inside the fixed seat, a locking insertion rod is fixedly connected to one end of the guide sliding block, a first spring is sleeved on the locking insertion rod, a connecting frame is fixedly connected to the other end of the guide sliding block, a guide wheel is rotatably connected to the end of the connecting frame, a plurality of rotating holes and a fixed hole are formed in the rotating ring, a fixed insertion pin is arranged on the top of the fixed hole, a limiting plate is fixedly connected to the fixed insertion pin, and a second spring is arranged on the top of the limiting plate.

[0007] Preferably, an embedding block is fixedly connected to the outer wall of the motor, a through hole is formed in the embedding block, and the embedding block and the motor are matched with the embedding groove, so that the motor can be conveniently mounted into the embedding groove.

[0008] Preferably, the rotating ring is rotatably connected with the inner wall of the embedding seat, and the plurality of rotating holes are uniformly arranged on the rotating ring, so that a tool can be inserted into the rotating hole to conveniently rotate the rotating ring.

[0009] Preferably, the plurality of fixed seats are arranged around the embedding groove, and the plurality of fixed seats are fixedly connected with the inner wall of the embedding seat, so that the motor can be fixed by the plurality of fixed seats.

[0010] Preferably, an inclined arc surface is arranged on the guide push block, and the guide wheel is in contact with the inclined arc surface of the guide push block, so that the guide wheel can be moved by the guide push block.

[0011] Preferably, one end of the locking insertion rod penetrates through the fixed seat and partially extends outside the fixed seat, the first spring is arranged between the inner wall of the fixed seat and the guide sliding block, and the second spring is arranged between the limiting plate and the inner wall of the embedding seat, so that the second spring can reset the fixed insertion pin.

[0012] Preferably, the protection mechanism comprises a mounting ring, a protection net is fixedly connected inside the mounting ring, a plurality of mounting holes are formed in the mounting ring, a mounting bolt is arranged inside each of the plurality of mounting holes, and an elastic gasket is sleeved on the mounting bolt, so that foreign matters can be prevented from entering into the air baffle.

[0013] The utility model provides a negative pressure fan convenient to assemble, has the following beneficial effects compared with prior art:

[0014] 1. The negative pressure fan convenient to assemble, the motor is embedded into the embedded slot in the center of the embedded seat, then the locking plug rod is moved by rotating the rotating ring and is inserted into the through hole on the motor for fixation, at this time the fixing hole moves to the bottom of the fixed pin, the fixed pin is inserted into the fixing hole inside the second spring for locking, the motor is quickly installed and removed, convenient to assemble, and the motor is convenient to overhaul, and the convenience of the overhaul is improved.

[0015] 2. The negative pressure fan convenient to assemble, the mounting ring is sleeved on the end of the air guide cover, then the elastic gasket is sleeved on the mounting bolt, and the mounting bolt is tightened for fixation, the elastic gasket prevents loosening, and the protective net prevents foreign matters from entering the inside of the air guide cover. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the overall structure schematic view of the utility model.

[0017] Figure 2 It is the quick mounting mechanism structure schematic view of the utility model.

[0018] Figure 3 It is the rotating ring and fixed seat structure schematic view of the utility model.

[0019] Figure 4 It is the protective mechanism structure schematic view of the utility model.

[0020] In the drawing: 1, mounting frame; 2, quick mounting mechanism; 201, embedded seat; 202, rotating ring; 203, guide push block; 204, limiting block; 205, fixed seat; 206, guide sliding block; 207, locking plug rod; 208, first spring; 209, connecting frame; 210, guide wheel; 211, rotating hole; 212, fixing hole; 213, fixed pin; 214, limiting plate; 215, second spring; 3, air guide cover; 4, protective mechanism; 401, mounting ring; 402, protective net; 403, mounting hole; 404, mounting bolt; 405, elastic gasket; 5, motor. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the utility model.

[0022] Please refer to Figures 1-3The utility model provides a technical scheme: a negative pressure fan convenient to assemble, including mounting frame 1, mounting frame 1 bottom end is installed with the aerodynamic cowling 3, the aerodynamic cowling 3 end is installed with the protection mechanism 4, the inside of mounting frame 1 is equipped with quick -witted mechanism 2, and quick -witted mechanism 2 is installed with motor 5, and the output shaft end of motor 5 is installed with the impeller, can be through quick -witted mechanism 2 to the motor 5 quick installation and removal, it is convenient to assemble, it is convenient to overhaul motor 5 simultaneously, improve the convenience of overhaul.

[0023] Quick -witted mechanism 2 includes embedding seat 201, embedding groove is set up on embedding seat 201, and the outer wall of motor 5 is fixedly connected with embedding block, and the through -hole is set up on embedding block, and embedding block and motor 5 are matched with embedding slot, so that the motor 5 can be conveniently loaded into embedding slot inside, and rotatingly connected with the rotating ring 202 in the inside of embedding seat 201, and the inboard surface of rotating ring 202 is fixedly connected with multiple guide pusher 203, and the end of guide pusher 203 is fixedly connected with the limiting block 204, and one side of guide pusher 203 is equipped with fixed seat 205, and multiple fixed seat 205 are arranged around embedding slot, and multiple fixed seat 205 are all fixedly connected with the inner wall of embedding seat 201, so that multiple fixed seat 205 can be used to fix motor 5, and the inside of fixed seat 205 is slidably connected with guide sliding block 206, and one end of guide sliding block 206 is fixedly connected with locking insertion rod 207, and the movement of locking insertion rod 207 can be guided by guide sliding block 206, and locking insertion rod 207 can be inserted into the through -hole on embedding block to fix motor 5, and the first spring 208 is sleeved on locking insertion rod 207, and the other end of guide sliding block 206 is fixedly connected with connecting frame 209, and the end of connecting frame 209 is rotatably connected with guide wheel 210, and the inclined cambered surface is arranged on guide pusher 203, and guide wheel 210 is in contact with the inclined cambered surface of guide pusher 203, so that guide pusher 203 can be used to move guide wheel 210, and multiple rotating holes 211 and a fixed hole 212 are set up on rotating ring 202, and rotating ring 202 is rotatably connected with the inner wall of embedding seat 201, and multiple rotating holes 211 are evenly arranged on rotating ring 202, so that tools can be inserted into rotating hole 211, and rotating ring 202 is conveniently rotated, and fixed insertion bolt 213 is arranged on the top of fixed hole 212, and limiting plate 214 is fixedly connected on fixed insertion bolt 213, and the second spring 215 is arranged on the top of limiting plate 214, and one end of locking insertion rod 207 penetrates fixed seat 205 and partially extends outside fixed seat 205, and the first spring 208 is arranged between the inner wall of fixed seat 205 and guide sliding block 206, and the second spring 215 is arranged between limiting plate 214 and the inner wall of embedding seat 201, so that the second spring 215 can reset fixed insertion bolt 213.

[0024] Please refer to Figure 1 And Figure 4The protection mechanism 4 comprises a mounting ring 401, the inside of the mounting ring 401 is fixedly connected with a protection net 402, a plurality of mounting holes 403 are formed in the mounting ring 401, the inside of each of the mounting holes 403 is provided with a mounting bolt 404, an elastic gasket 405 is sleeved on the mounting bolt 404, the mounting ring 401 can be sleeved on the end portion of the wind deflector 3, then the elastic gasket 405 is sleeved on the mounting bolt 404, and the mounting bolt 404 is fastened to be fixed, the elastic gasket 405 prevents loosening, and the protection net 402 prevents foreign matters from entering the inside of the wind deflector 3.

[0025] In work, the motor 5 is embedded into the embedding groove in the center of the embedding seat 201, then the rotating ring 202 is rotated, the rotating ring 202 drives the guide push block 203 to rotate, the guide push block 203 drives the guide wheel 210 to move by means of the inclined arc surface, the guide wheel 210 drives the connecting frame 209 to move, the connecting frame 209 drives the guide sliding block 206 to move, the guide sliding block 206 drives the locking inserting rod 207 to move, the locking inserting rod 207 is inserted into the through hole on the motor 5 to be fixed, at this time, the fixed hole 212 moves to the bottom of the fixed bolt 213, the second spring 215 releases the pressure to insert the fixed bolt 213 into the inside of the fixed hole 212 to be locked, the motor 5 is quickly installed and removed, and the motor 5 is convenient to assemble and overhaul, and the convenience of the overhaul is improved.

[0026] When it is necessary to remove, the fixed bolt 213 is pulled upward to release the constraint on the rotating ring 202, the first spring 208 resets the locking inserting rod 207 to be received into the inside of the fixed seat 205, the motor 5 is fixed, and thus the motor 5 can be conveniently removed.

[0027] Meanwhile, the contents not described in detail in the specification all belong to the prior art known by the person skilled in the art.

Claims

1. A negative pressure fan which is easy to assemble, comprising a mounting frame (1), characterized in that: The mounting frame (1) is provided with a wind deflector (3) at the bottom end, the wind deflector (3) is provided with a protection mechanism (4) at the end, the mounting frame (1) is internally provided with a quick mounting mechanism (2), the quick mounting mechanism (2) is provided with a motor (5), and the output shaft of the motor (5) is provided with an impeller; The quick mounting mechanism (2) comprises an embedding seat (201), embedding grooves are formed in the embedding seat (201), the embedding seat (201) is rotationally connected with a rotating ring (202) inside, a plurality of guide push blocks (203) are fixedly connected to the inner side surface of the rotating ring (202), the end of the guide push block (203) is fixedly connected with a limiting block (204), a fixed seat (205) is arranged on one side of the guide push block (203), a guide sliding block (206) is slidably connected in the fixed seat (205), a locking insertion rod (207) is fixedly connected to one end of the guide sliding block (206), the locking insertion rod (207) is sleeved with a first spring (208), a connecting frame (209) is fixedly connected to the other end of the guide sliding block (206), a guide wheel (210) is rotationally connected to the end of the connecting frame (209), a plurality of rotating holes (211) and a fixed hole (212) are formed in the rotating ring (202), a fixed bolt (213) is arranged at the top of the fixed hole (212), a limiting plate (214) is fixedly connected to the fixed bolt (213), and a second spring (215) is arranged at the top of the limiting plate (214).

2. A negative pressure fan for easy assembly according to claim 1, characterized in that: The embedding block is fixedly connected to the outer wall of the motor (5), a through hole is formed in the embedding block, and the embedding block, the motor (5) and the embedding groove are matched.

3. A negative pressure fan for easy assembly as claimed in claim 1 wherein: The rotating ring (202) is rotationally connected with the inner wall of the embedding seat (201), and the plurality of rotating holes (211) are uniformly arranged on the rotating ring (202).

4. The negative pressure fan that facilitates assembly of claim 1, wherein: The plurality of fixed seats (205) are arranged around the embedding groove, and the plurality of fixed seats (205) are fixedly connected with the inner wall of the embedding seat (201).

5. The negative pressure fan that facilitates assembly of claim 1, wherein: The guide push block (203) is provided with an inclined arc surface, and the guide wheel (210) is in contact with the inclined arc surface of the guide push block (203).

6. The negative pressure fan that facilitates assembly of claim 1, wherein: One end of the locking insertion rod (207) penetrates through the fixed seat (205) and partially extends outside the fixed seat (205), the first spring (208) is arranged between the inner wall of the fixed seat (205) and the guide sliding block (206), and the second spring (215) is arranged between the limiting plate (214) and the inner wall of the embedding seat (201).

7. The negative pressure fan that facilitates assembly of claim 1, wherein: The protection mechanism (4) comprises a mounting ring (401), and the mounting ring (401) is fixedly connected with a protection net (402) inside.

8. A negative pressure fan for easy assembly according to claim 7, characterized in that: A plurality of mounting holes (403) are formed in the mounting ring (401), and a mounting bolt (404) is arranged in each of the mounting holes (403), and an elastic gasket (405) is sleeved on the mounting bolt (404).

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