CN218293942U - Convenient fan wheel mounting structure who dismantles - Google Patents

Abstract

The utility model relates to a fan wheel installs technical field, and discloses a fan wheel mounting structure of convenient dismantlement, which comprises a motor, the output shaft fixedly connected with pivot of motor, the outside back pump cover that is located the pivot is installed in the left side of motor, the outer wall of pivot has cup jointed the left impeller body that is located back pump cover, the corresponding cylindrical groove in position has all been seted up to the left and right sides of pivot. The utility model discloses an impeller, coupling mechanism, cooperation between pivot and the protective cover, utilize coupling mechanism's setting, the location effect of impeller in the pivot has been realized, the fastening effect of impeller and pivot has been reached, the problem that the mounted position of impeller is not in place in the pivot has been solved effectively, adopt coupling mechanism to the spacing mode of pivot and impeller, make the accurate location of impeller in the pivot, consolidate the stability of impeller installation, avoid the impeller because of the installation just causes the damage that impeller and pump casing bump lead to the impeller, thereby prolong the life of impeller.

Description

Convenient fan wheel mounting structure who dismantles

Technical Field

The utility model relates to a fan wheel installs technical field, specifically is a fan wheel mounting structure of convenient dismantlement.

Background

The fan is a machine for improving gas pressure and discharging gas by means of input mechanical energy, and is a driven fluid machine, and comprises a ventilator, a blower and a wind driven generator, and the main structural components of the fan are an impeller, a shell, an air inlet, a support, a motor, a belt pulley, a coupling, a silencer, a transmission component (bearing) and the like, wherein the impeller not only refers to a wheel disc provided with movable blades and is a component of an impulse turbine rotor, but also refers to a general name of the wheel disc and the rotating blades arranged on the wheel disc, the impeller can be classified according to shapes and opening and closing conditions, the impeller in the fan is worn after long-term use, the wear of the impeller of the fan is related to factors such as the composition, granularity, concentration, shape, impact speed, impact angle, chemical composition, property, temperature, humidity and the like of gas, and the wear is accelerated due to the non-uniformity of the gas flow in the impeller.

However, the normal use of the fan is not guaranteed, the worn impeller in the fan used for a long time needs to be replaced regularly, the impeller is installed in a specified installation area, the connection stability between the rotating shaft and the impeller is reinforced, the impeller needs to be knocked by an auxiliary tool until the impeller is pushed to the deep part of the rotating shaft, but in the knocking process, due to the fact that the knocking force of workers is too heavy, the auxiliary tool collides with the impeller for a long time to cause the surface of the impeller to be sunken, the convenience of the surface of the impeller is caused, and even the impeller is damaged, so that the service life of the impeller is shortened; meanwhile, the knocking force of workers is too light, so that the impeller is not pushed to the deep part of the rotating shaft, the impeller is collided with the inner wall of the pump cover when rotating, the connection between the impeller and the rotating shaft is unstable, the impeller and the pump cover are damaged, and the utilization rate of the impeller is reduced; and when the front pump cover and the rear pump cover are installed, the positioning pins are required to be inserted into the threaded holes by workers, so that the front pump cover and the rear pump cover can be conveniently installed, after the front pump cover and the rear pump cover are fixed, the positioning pins need to be disassembled, the steps of disassembling and assembling the positioning pins can be increased, the workload of the workers for disassembling and assembling the impeller is increased, and the working efficiency of the impeller during disassembling and assembling is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a fan wheel mounting structure of convenient dismantlement, the problem that provides among the above-mentioned background art has been solved to the advantage of the damage that stability, improvement fan when possessing restriction impeller mounting's position, reinforcement impeller rotation received, has improved the utilization ratio of fan and has reduced the impeller and receive.

The utility model provides a following technical scheme: the utility model provides a convenient fan impeller mounting structure who dismantles, includes the motor, the output shaft fixedly connected with pivot of motor, the rear pump cover that is located the pivot outside is installed in the left side of motor, the outer wall of pivot has cup jointed the left impeller body that is located the rear pump cover, the corresponding cylindrical slot in position has all been seted up to the left and right sides of pivot, the inside in cylindrical slot is provided with coupling mechanism, coupling mechanism's outer wall activity has cup jointed the protective cover, and the outer wall of protective cover cup joints with impeller body's inner wall screw thread, the left side of rear pump cover has evenly seted up flutedly, the outer wall activity joint of recess has the reference column, the reference column is kept away from the one end fixed mounting of recess and is located the left preceding pump cover of rear pump cover.

Preferably, the bearing located on the left side of the impeller body is movably sleeved on the outer wall of the rotating shaft, the bearing is arranged to play a limiting role after the impeller body is installed, a sealing cover located on the outer wall of the rotating shaft is movably installed on one side, away from the impeller body, of the bearing, and the sealing cover is installed to play a reinforcing role in connection of the impeller body and the rotating shaft.

Preferably, the right side fixed mounting of back pump cover has the air-supply line, the rear side of air-supply line is provided with out the tuber pipe, and the left end of going out the tuber pipe and the right side fixed connection of back pump cover, and the installation of air-supply line and play tuber pipe provides the passageway for the flow direction of wind, the lower terminal surface fixed mounting of back pump cover outer wall has the base, and the installation of base plays the supporting role to the fan to stability when consolidating the installation of fan.

Preferably, rear threaded holes are uniformly formed in the left side of the impeller body and provide a platform for installing the limiting bolts, and the limiting bolts are sleeved on the inner wall of the rear threaded holes in a threaded manner.

Preferably, coupling mechanism including with one side fixed connection's of cylindrical groove inner wall spring, the compression of spring and resilience provide power for the motion of connecting block and reseing, the connecting block is installed to the one end that the cylindrical groove was kept away from to the spring, through the change to connecting block and this body coupling relation of impeller, can realize the change to the dismantlement of countershaft and impeller body and mounting means, and the outer wall of connecting block cup joints with the inner wall activity of protective cover, and the protective cover plays the guard action to the connecting block.

Preferably, the outer wall evenly distributed of preceding pump cover has preceding fixture block, the inner wall screw thread of preceding fixture block has cup jointed fastening bolt, and fastening bolt plays the connecting action to preceding fixture block and back fixture block, fastening bolt's outer wall screw thread has cup jointed back fixture block, and the one end of back fixture block and the outer wall fixed connection of back pump cover, and the installation of back pump cover provides the platform for the installation of back fixture block, preceding screw hole has evenly been seted up at the left middle part of preceding pump cover, and the inner wall of preceding screw hole cup joints with the outer wall screw thread of spacing bolt, and spacing bolt plays the connecting action to preceding screw hole and back screw hole.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. the utility model discloses an impeller, coupling mechanism, cooperation between pivot and the protective cover, utilize coupling mechanism's setting, the location effect of impeller in the pivot has been realized, the fastening effect of impeller and pivot has been reached, the problem that the mounted position of impeller is not in place in the pivot has been solved effectively, adopt coupling mechanism to the spacing mode of pivot and impeller, make the accurate location of impeller in the pivot, consolidate the stability of impeller installation, avoid the impeller because of the installation just causes the damage that impeller and pump casing bump lead to the impeller, thereby prolong the life of impeller.

2. The utility model discloses a cooperation between preceding pump cover, back pump cover, recess and the reference column utilizes the joint of reference column and recess, has realized the connection effect of preceding pump cover and back pump cover, has reached the effect of the accurate location of preceding pump cover and back pump cover, has solved the problem of locating pin guide pump cover installation effectively, adopts the spacing mode of reference column, has replaced the guide mode of locating pin, has saved the dismouting step of locating pin, has alleviateed staff's work load to the work efficiency of staff to the impeller dismouting has been improved.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a side view of the front pump cover of the present invention;

FIG. 3 is a side view of the closure of the present invention;

fig. 4 is a side view of the positioning post of the present invention;

fig. 5 is a front view of the protective cover of the present invention;

fig. 6 is an enlarged view of a portion a of fig. 3 according to the present invention.

In the figure: 1. a motor; 2. a rotating shaft; 3. a rear pump cover; 4. an impeller body; 5. a cylindrical groove; 6. a connecting mechanism; 61. a spring; 62. connecting blocks; 7. a protective cover; 8. a groove; 9. a positioning column; 10. a front pump cover; 11. an air inlet pipe; 12. an air outlet pipe; 13. a base; 14. a bearing; 15. sealing the cover; 16. a rear threaded hole; 17. a limit bolt; 18. a front clamping block; 19. fastening a bolt; 20. a rear clamping block; 21. a front threaded hole.

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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1 and 3, a fan impeller mounting structure convenient to detach includes a motor 1, the motor 1 is mounted to provide power for rotation of a rotating shaft 2, an output shaft of the motor 1 is fixedly connected with the rotating shaft 2, the rotating shaft 2 is configured to provide power for rotation of an impeller body 4 and also provide support and platform for mounting of the impeller body 4, a rear pump cover 3 located outside the rotating shaft 2 is mounted on the left side of the motor 1, the rear pump cover 3 is mounted to protect the rear end face of the impeller body 4, an impeller body 4 located on the left side of the rear pump cover 3 is sleeved on the outer wall of the rotating shaft 2, the impeller body 4 provides power for use of a fan, cylindrical grooves 5 corresponding to each other are formed in the left side and the right side of the rotating shaft 2, the cylindrical grooves 5 are formed to provide a platform for mounting of a connecting mechanism 6, a connecting mechanism 6 is arranged inside the cylindrical grooves 5, the connecting mechanism 6 is configured to connect the rotating shaft 2 and the impeller body 4, meanwhile, the connecting mechanism 6 also has the limiting effect when the impeller body 4 is installed, the stability when the impeller body 4 and the rotating shaft 2 are installed is enhanced, the beating of the impeller body 4 by an auxiliary tool is saved, the damage of the impeller body 4 is reduced, the service life and the utilization rate of the impeller body 4 are improved, the protective cover 7 is movably sleeved on the outer wall of the connecting mechanism 6, the protective cover 7 has the protection effect on the connecting mechanism 6, the outer wall of the protective cover 7 is sleeved with the inner wall of the impeller body 4 in a threaded manner, the left side of the rear pump cover 3 is uniformly provided with the groove 8, the groove 8 provides a space for the installation of the positioning column 9, the positioning column 9 is movably clamped on the outer wall of the groove 8, the positioning column 9 is sleeved with the groove 8, the positioning effect when the front pump cover 10 and the rear pump cover 3 are installed is achieved, and the work that a worker uses the positioning pin to assist in installing the pump cover is saved, the work load of staff has been alleviateed to staff's work efficiency has been improved, the one end fixed mounting that recess 8 was kept away from to reference column 9 has and is located the left preceding pump cover 10 of back pump cover 3, and preceding pump cover 10 plays the guard action to 4 front ends of impeller body, and preceding pump cover 10 is connected with back pump cover 3 and is played the sealed effect to impeller body 4, has reduced the exposed damage that receives outside of impeller body 4 simultaneously, has improved impeller body 4's utilization ratio.

The outer wall activity of pivot 2 has cup jointed the bearing 14 that is located impeller body 4 left, and bearing 14 plays the limiting displacement to impeller body 4, and one side movable mounting that bearing 14 kept away from impeller body 4 has a closing cap 15 that is located the outer wall of pivot 2, and closing cap 15 plays the reinforcing effect to impeller body 4 in pivot 2.

Referring to fig. 2 and 5, an air inlet pipe 11 is fixedly mounted on the right side of the rear pump cover 3, the air inlet pipe 11 is mounted to provide a passage for air to flow into the impeller body 4, an air outlet pipe 12 is disposed on the rear side of the air inlet pipe 11, the air outlet pipe 12 is mounted to provide a passage for air to be discharged from the impeller body 4, the left end of the air outlet pipe 12 is fixedly connected to the right side of the rear pump cover 3, the rear pump cover 3 is mounted to provide a support and a platform for the air outlet pipe 12, a base 13 is fixedly mounted on the lower end face of the outer wall of the rear pump cover 3, and the base 13 plays a role in supporting the impeller body 4.

Rear threaded holes 16 are uniformly formed in the left side of the impeller body 4, the impeller body 4 provides a supporting effect for the forming of the rear threaded holes 16, limiting bolts 17 are sleeved on the inner wall threads of the rear threaded holes 16, and platforms are provided for the installation of the limiting bolts 17 by the forming of the rear threaded holes 16.

Please refer to fig. 6 and 4, the connecting mechanism 6 includes a spring 61 fixedly connected to one side of the inner wall of the cylindrical groove 5, the resilience of the spring 61 provides power for the resetting of the connecting block 62, the connecting block 62 is installed at the end of the spring 61 far away from the cylindrical groove 5, the connecting block 62 is connected to the impeller body 4, so as to realize the installation of the impeller body 4 and the rotating shaft 2, thereby achieving the limiting effect of the impeller body 4, and meanwhile, the connecting block 62 is separated from the impeller body 4, so as to realize the dismounting effect of the impeller body 4 and the rotating shaft 2, and the outer wall of the connecting block 62 is movably sleeved with the inner wall of the protective cover 7.

The outer wall evenly distributed of preceding pump cover 10 has preceding fixture block 18, the installation of preceding pump cover 10 provides the platform for the installation of preceding fixture block 18, the inner wall screw thread of preceding fixture block 18 has cup jointed fastening bolt 19, fastening bolt 19 plays preceding fixture block 18 and the connection effect of back fixture block 20, fastening bolt 19's outer wall screw thread has cup jointed back fixture block 20, and the one end of back fixture block 20 and the outer wall fixed connection of back pump cover 3, the installation of back pump cover 3 provides the platform for the installation of back fixture block 20, preceding screw hole 21 has evenly been seted up at the left middle part of preceding pump cover 10, and the inner wall of preceding screw hole 21 cup joints with limiting bolt 17's outer wall screw thread, limiting bolt 17's setting plays the connection effect to preceding screw hole 21 and back screw hole 16, can reach the installation effect to preceding 10 and back pump cover 3.

The working principle is as follows: during installation, firstly, the rear pump cover 3 is sleeved outside the rotating shaft 2 and pushed towards the direction of the motor 1, then the impeller body 4 is sleeved on the outer wall of the rotating shaft 2 and moves towards the inside of the rear pump cover 3, the connecting block 62 is pressed by the pump cover 3 and the impeller body 4 after installation and moves towards the inside of the cylindrical groove 5, the spring 61 is compressed while the connecting block 62 moves, along with continuous pushing of the impeller body 4 on the rotating shaft 2, the connecting block 62 is popped out from the inside of the cylindrical groove 5 to the inside of the impeller body 4 by resilience of the spring 61, connection between the rotating shaft 2 and the impeller body 4 can be realized, then the protective cover 7 is rotatably installed on the inner wall of the impeller body 4, the protective cover 7 plays a role in protecting the connecting block 62, impurities are prevented from blocking a connecting port between the impeller body 4 and the connecting block 62, then, the bearing 14 is sleeved on the outer wall of the rotating shaft 2, then the sealing cover 15 is used for fixing the connecting positions of the impeller body 4, the bearing 14 and the rotating shaft 2, then the positioning column 9 is inserted on the inner wall of the groove 8 until the positioning column 9 is pushed to the bottom of the groove 8, at this moment, the front clamping block 18 and the rear clamping block 18 are connected with the rear pump cover 18, and the air inlet duct 12, and the air inlet duct 11 can be finally installed as well as the air inlet duct. The model of the motor 1 is a YE3 90S-4 three-phase asynchronous motor.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Simultaneously in the utility model discloses an in the drawing, fill the pattern and just do not do any other injecions for distinguishing the picture layer.

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 (6)

1. The utility model provides a convenient fan impeller mounting structure who dismantles, includes motor (1), the output shaft fixedly connected with pivot (2) of motor (1), back pump cover (3) that are located pivot (2) outside are installed in the left side of motor (1), the outer wall of pivot (2) has cup jointed and has been located left impeller body (4) of back pump cover (3), its characterized in that: the left and right sides of pivot (2) all seted up the corresponding cylindrical groove in position (5), the inside of cylindrical groove (5) is provided with coupling mechanism (6), protective cover (7) have been cup jointed in the outer wall activity of coupling mechanism (6), and the outer wall of protective cover (7) cup joints with the inner wall screw thread of impeller body (4), recess (8) have evenly been seted up in the left side of back pump cover (3), the outer wall activity joint of recess (8) has reference column (9), the one end fixed mounting that recess (8) were kept away from in reference column (9) has and is located left preceding pump cover (10) of back pump cover (3).

2. The fan impeller mounting structure convenient to disassemble as claimed in claim 1, wherein: the outer wall of the rotating shaft (2) is movably sleeved with a bearing (14) located on the left side of the impeller body (4), and one side, far away from the impeller body (4), of the bearing (14) is movably provided with a sealing cover (15) located on the outer wall of the rotating shaft (2).

3. The fan impeller mounting structure convenient to disassemble as claimed in claim 1, wherein: the right side fixed mounting of back pump cover (3) has air-supply line (11), the rear side of air-supply line (11) is provided with out tuber pipe (12), and the left end of going out tuber pipe (12) and the right side fixed connection of back pump cover (3), the lower terminal surface fixed mounting of back pump cover (3) outer wall has base (13).

4. The fan impeller mounting structure convenient to disassemble as claimed in claim 1, wherein: rear threaded holes (16) are uniformly formed in the left side of the impeller body (4), and limiting bolts (17) are sleeved on the inner wall of the rear threaded holes (16) in a threaded mode.

5. The fan impeller mounting structure convenient to disassemble as claimed in claim 1, wherein: coupling mechanism (6) include with one side fixed connection's of post groove (5) inner wall spring (61), connecting block (62) are installed to the one end that post groove (5) were kept away from in spring (61), and the outer wall of connecting block (62) cup joints with the inner wall activity of protective cover (7).

6. The fan impeller mounting structure convenient to disassemble as claimed in claim 1, wherein: the outer wall of the front pump cover (10) is uniformly distributed with front clamping blocks (18), the inner wall of each front clamping block (18) is in threaded sleeve connection with a fastening bolt (19), the outer wall of each fastening bolt (19) is in threaded sleeve connection with a rear clamping block (20), one end of each rear clamping block (20) is fixedly connected with the outer wall of the corresponding rear pump cover (3), the middle of the left side of the front pump cover (10) is uniformly provided with front threaded holes (21), and the inner wall of each front threaded hole (21) is in threaded sleeve connection with the outer wall of a limiting bolt (17).

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