CN111336120A

CN111336120A - Plug-in type pipeline built-in fan and use method thereof

Info

Publication number: CN111336120A
Application number: CN202010174771.8A
Authority: CN
Inventors: 王琳东
Original assignee: Zibo Golden River Fans Co ltd
Current assignee: Zibo Golden River Fans Co ltd
Priority date: 2020-03-13
Filing date: 2020-03-13
Publication date: 2020-06-26
Anticipated expiration: 2040-03-13
Also published as: CN112833037B; CN111336120B; CN112833037A

Abstract

The application discloses plug-in pipeline built-in fan includes the tube-shape shell, establish at tube-shape shell front end be used for the clamping device of centre gripping in the pipeline, be used for providing the input device of power input, be used for producing the impeller subassembly of wind-force, be used for connecting the speed governing subassembly of input device and impeller subassembly. The use method of the plug-in pipeline built-in fan is characterized in that: the method comprises the following steps: step 1, clamping and fixing; step 2, blasting air; and 3, manually regulating the speed.

Description

Plug-in type pipeline built-in fan and use method thereof

Technical Field

The application relates to the technical field of fans, in particular to an instant-plugging pipeline built-in fan and a using method thereof.

Background

The fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of input mechanical energy. The blower is a Chinese habit abbreviation for gas compression and gas conveying machinery, and the blower generally comprises a ventilator, a blower and a wind driven generator. Fans are widely used for ventilation, dust exhaust and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, and for ventilation and draught of boilers and industrial furnaces and kilns; cooling and ventilation in air conditioning equipment and household appliances; drying and selecting grain, wind tunnel wind source and air cushion boat inflating and propelling.

An axial flow fan is a fan, namely an air flow in the same direction as the shaft of a fan blade, such as an electric fan, and an air conditioner external unit fan is an axial flow type running fan. The "axial flow" is so called because the gas flows parallel to the fan axis.

For some special working conditions, such as when the ventilation requirement in a long and narrow pipeline is met, the fan is directly arranged in the pipeline, and a large amount of pipeline materials and labor cost are saved.

Disclosure of Invention

The application provides a plug-in pipeline embeds fan promptly, including the tube-shape shell, establish at tube-shape shell front end be used for the clamping device of centre gripping in the pipeline, be used for providing the input device of power input, be used for producing the impeller subassembly of wind-force, be used for connecting the speed governing subassembly of input device and impeller subassembly.

As a further embodiment:

the cylindrical shell comprises an annular front baffle, an external cylinder wall arranged behind the outer edge of the annular front baffle and an internal cylinder wall arranged behind the inner edge of the annular front baffle, wherein a first circular ring is formed inwards on the front half part of the external cylinder wall, clamping through holes are uniformly distributed in the circumferential direction of the part of the external cylinder wall positioned in front of the first circular ring, and two transmission baffle rings are arranged in the middle of the external cylinder wall;

the clamping device includes:

the swing clamping rods correspond to the clamping through holes one by one, and each swing clamping rod comprises a clamping rod central shaft fixed at the front end of the first circular ring, a clamping rod body which is rotatably inserted in the clamping rod central shaft and penetrates through the corresponding clamping through hole, and a clamping sliding hole which is formed in the near end of the clamping rod body along the length direction;

the rotary worm gear comprises a worm gear body, a driving plug, an input worm and a rear locking ring, wherein the worm gear body is rotatably sleeved on the position, located in front of the first circular ring, of the built-in cylinder wall, the driving plug is circumferentially and uniformly distributed at the front end of the worm gear body, and is in one-to-one inserting connection with the clamping sliding holes, the input worm is in transmission connection with the worm gear body, the rear locking ring is formed in the lower end face of the worm gear body, penetrates through the first circular ring backwards, and two ends of the input worm penetrate through the built-in;

the input device comprises a motor fixed at the rear end of the first circular ring, an input gear driven by an output shaft at the rear end of the motor, and an annular assembly driven by the input gear, wherein the annular assembly comprises an annular body which is rotatably sleeved on the inner cylindrical wall, an annular inner gear which is formed at the front end of the annular body and is meshed with the input gear, and an input conical umbrella which is formed at the rear end of the annular body and is narrow in front and wide in back, and the annular inner gear is positioned between the pair of transmission retaining rings;

the impeller assembly includes:

the rear stop ring is arranged at the rear end of the inner wall of the external cylinder wall;

the output cone pulley is in a conical shape with a narrow front part and a wide rear part, an axial through hole is formed in the middle of the output cone pulley and is rotatably sleeved at the rear end outside the built-in cylinder wall, a rear retaining ring groove matched with the rear retaining ring is formed in the outer edge of the rear end of the output cone pulley, and an installation convex ring is formed at the rear end of the axial through hole of the output cone pulley;

the impellers are uniformly distributed on the inner edge of the mounting convex ring in the circumferential direction;

the rolling balls are evenly distributed between the front end face of the rear baffle ring groove and the rear stop ring in the circumferential direction, and the rolling balls are evenly distributed between the circumferential side face of the rear baffle ring groove and the rear stop ring in the circumferential direction;

the speed adjusting device comprises:

the limiting slot is axially arranged on the outer wall of the built-in cylinder wall;

the drum assembly comprises an arc-shaped side hole arranged on the side surface of the rear half part of the external drum wall along the circumferential direction, a drum body rotatably inserted in the rear half part of the external drum wall, and a side deflector rod arranged on the side surface of the drum body and penetrating through the arc-shaped side hole;

the adjusting assembly comprises at least two groups of adjusting assemblies, at least two groups of adjusting assemblies are arranged from front to back, each adjusting assembly comprises an adjustable sleeve ring which is slidably sleeved on the inner wall of the corresponding built-in cylinder wall, a limiting plug which is arranged on the inner wall of the adjustable sleeve ring in an inserting manner and is inserted into a limiting slot, fixed square rods which are uniformly distributed on the outer edge of the adjustable sleeve ring in an umbrella shape in the circumferential direction, sliding plug blocks which are slidably sleeved on the corresponding fixed square rods, and transmission circular rings which are rotatably arranged on the corresponding sliding plug blocks, each adjusting assembly further comprises a rotating conical disc which is rotatably sleeved on the built-in cylinder wall, inclined plug holes which are uniformly distributed on the rotating conical disc in the circumferential direction, and rotating plugs which are arranged below the rotating conical disc and are inserted into the rotating cylinder body, the inclined plug holes;

the middle conical discs are rotatably arranged on the inner cylinder wall, and one middle conical disc is respectively arranged between every two adjacent adjusting components;

the adjusting component positioned at the forefront is in transmission connection with the rear end surface of the input conical umbrella through a transmission ring;

the adjusting component positioned at the rearmost part is in transmission connection with the front end face of the output cone pulley through a transmission ring.

Still further, the input device further comprises an auxiliary gear set, wherein the auxiliary gear set comprises a hole-containing lug arranged on the external cylinder wall, an auxiliary rotating shaft rotatably inserted in the hole-containing lug, and an auxiliary gear body arranged at the lower end of the auxiliary rotating shaft and meshed with the annular inner gear.

Still further, the clamping device further comprises an enhancement locking device arranged right ahead the auxiliary gear set, the enhancement locking device comprises an internal thread pipe arranged on the side face of the external cylinder wall, a locking bolt screwed in the internal thread pipe and abutted against the side face of the rear locking ring, an axial groove circumferentially and uniformly distributed in the inner periphery of the locking bolt and axially arranged along the axial groove, and a locking side hole arranged at the rear position of the internal thread pipe on the side face of the external cylinder wall, the enhancement locking device further comprises an L-shaped deflector rod, the corner of the L-shaped deflector rod is hinged to the front end face of the lug with the hole, the long end of the L-shaped deflector rod is abutted against the axial groove, the short end of the L-shaped deflector rod is inserted into the locking side hole, and a torsion spring for driving the long end of the L-.

Furthermore, an annular groove is formed between the outer edge of the front end face of the annular inner gear and the transmission retaining ring, and balls are filled in the annular groove; an annular groove is formed between the outer edge of the rear end face of the annular inner gear and the transmission retaining ring, and balls are filled in the annular groove.

Still further, the sliding insertion block comprises a spherical body which is rotatably sleeved on the fixed square rod, and an annular groove which is formed in the spherical body and used for accommodating the rotation of the transmission ring, wherein the upper end face and the lower end face of the spherical body are respectively cut and formed with a cutting plane.

The use method of the plug-in pipeline built-in fan is characterized in that: the method comprises the following steps:

step 1, clamping and fixing:

and inserting the front end of the cylindrical shell into a pipe orifice of the pipeline, and exposing the input worm outside the pipeline.

The input worm is rotated to drive the worm gear body and the driving plug to rotate;

the driving plug acts on the clamping slide hole to drive the clamping rod body to swing for a certain angle around the clamping rod center shaft, and the outer end of the clamping rod body tightly abuts against the inner wall of the pipeline to complete fixing.

And step 2, air blasting:

the motor drives the annular inner gear, the annular body and the input bevel umbrella to rotate through the input gear;

the input bevel umbrella drives the transmission ring of the adjusting assembly to further drive the middle bevel disk to rotate, the middle bevel disk drives the next middle bevel disk to rotate through the transmission ring at the rear of the middle bevel disk, and the transmission ring at the rearmost finally drives the output bevel wheel and the impeller to rotate;

step 3, manual speed regulation:

rotating the side deflector rod and the rotary drum body;

the rotating body drives the rotating plug, the inclined jack and the rotating conical disc to rotate;

the displacement of the inclined insertion hole drives the sliding insertion block and the transmission ring to slide on the fixed square rod;

the track circle diameter of the middle conical discs which are actually contacted with the upper and lower sides of the transmission circular ring is changed, so that the transmission ratio between the adjacent front and rear middle conical discs is changed, and finally the rotation speed of the impeller is adjusted on the premise of not adjusting the motor.

Has the advantages that:

the plug-in pipeline built-in fan can be fixed in a pipeline through the clamping device to blow air:

inserting the front end of the cylindrical shell into a pipe orifice of a pipeline, and exposing the input worm outside the pipeline; the input worm is rotated to drive the worm gear body and the driving plug to rotate; the driving plug acts on the clamping slide hole to drive the clamping rod body to swing for a certain angle around the clamping rod center shaft, and the outer end of the clamping rod body tightly abuts against the inner wall of the pipeline to complete fixing.

The plug-in pipeline built-in fan further locks the posture of the clamping device for the second time through the reinforced locking device:

firstly, the rotating worm wheel has a locking effect, namely, a self-locking effect is generated between the input worm and the worm wheel body, and the worm wheel body can only be driven by the input worm and cannot rotate by itself.

Then, the long end of the L-shaped deflector rod is driven by a torsion spring to be inserted into the locking side hole under the normal state of the reinforced locking device, so that the locking bolt is restrained from rotating, the locking bolt can tightly lean against the outer side of the rear locking ring, and the rear locking ring and the worm gear body cannot rotate.

The plug-in pipeline built-in fan provided by the invention can manually adjust the rotating speed:

rotating the side deflector rod and the rotary drum body; the rotating body drives the rotating plug, the inclined jack and the rotating conical disc to rotate; the displacement of the inclined insertion hole drives the sliding insertion block and the transmission ring to slide on the fixed square rod; the track circle diameter of the middle conical discs which are actually contacted with the upper and lower sides of the transmission circular ring is changed, so that the transmission ratio between the adjacent front and rear middle conical discs is changed, and finally the rotation speed of the impeller is adjusted on the premise of not adjusting the motor.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

FIG. 1 is a cross-sectional view of one embodiment of the blower.

FIG. 2 is a partial cross-sectional view of one embodiment of the blower.

FIG. 3 is a partial cross-sectional view of another embodiment of the blower.

FIG. 4 is a cross-sectional view of one embodiment of section A-A of FIG. 1.

FIG. 5 is a cross-sectional view of an alternative embodiment of section A-A of FIG. 1.

Fig. 6 is a schematic view of an embodiment of the governor device.

Fig. 7 is a schematic view of another embodiment of the governor device.

Fig. 8 is a schematic view of another embodiment of the governor device.

FIG. 9 is a cross-sectional view of one embodiment of the sliding insert.

Fig. 10 is a rear view of the blower.

Icon:

1. the device comprises a cylindrical shell, 11 annular front baffles, 12 external cylinder walls, 13 internal cylinder walls, 14 first circular rings, 14a clamping through holes and 15 transmission baffle rings, wherein the cylindrical shell is provided with a cylindrical front baffle;

2. the clamping device comprises a clamping device, 21, a swinging clamping rod, 21a, a clamping rod middle shaft, 21b, a clamping rod body, 21c, a clamping sliding hole, 22, a rotating worm wheel, 22a, a worm wheel body, 22b, a driving plug, 22c, an input worm, 22d, a rear locking ring, 23, a reinforcing locking device, 23a, an internal threaded pipe, 23b, a locking bolt, 23c, an axial groove and a 23d.L type shifting rod;

3. the input device comprises an input device, 31, a motor, 32, an input gear, 33, an annular assembly, 33a, an annular body, 33b, an annular internal gear, 33c, an input bevel gear, 34, an auxiliary gear set, 34a, a lug with a hole, 34b, an auxiliary rotating shaft and 34c, an auxiliary gear body;

4. the device comprises a speed regulating device, 41, a limiting slot, 42, a drum assembly, 42a, an arc-shaped side hole, 42b, a drum body, 42c, a side deflector rod, 43, an adjusting assembly, 43a, an adjustable lantern ring, 43b, a limiting plug, 43c, a fixed square rod, 43c-1, a spherical body, 43c-2, an annular groove, 43c-3, a cutting plane, 43d, a sliding insert block, 43e, a transmission ring, 43f, a rotating conical disc, 43g, an inclined jack and 44, a middle conical disc;

5. the impeller assembly comprises an impeller assembly, 51 a rear stop ring, 52 an output cone pulley, 52a rear stop ring groove, 52b a mounting convex ring and 53 an impeller.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

The application provides a plug-in type pipeline built-in fan, including tube-shape shell 1, establish at tube-shape shell 1 front end be used for the centre gripping in the pipeline clamping device 2, be used for providing the input device 3 of power input, be used for producing wind-force's impeller subassembly 5, be used for connecting input device 3 and impeller subassembly 5's speed governing subassembly 4.

As a further embodiment:

the cylindrical shell 1 comprises an annular front baffle 11, an external cylinder wall 12 arranged behind the outer edge of the annular front baffle 11 and an internal cylinder wall 13 arranged behind the inner edge of the annular front baffle 11, wherein a first circular ring 14 is formed in the front half part of the external cylinder wall 12 inwards, clamping through holes 14a are uniformly distributed in the circumferential direction of the part, located in front of the first circular ring 14, of the external cylinder wall 12, and two transmission baffle rings 15 are arranged in the middle of the external cylinder wall 12;

the clamping device 2 comprises:

the swing clamping rods 21 correspond to the clamping through holes 14a one by one, and each swing clamping rod 21 comprises a clamping rod central shaft 21a fixed at the front end of the first circular ring 13, a clamping rod body 21b which is rotatably inserted into the clamping rod central shaft 21a and penetrates through the corresponding clamping through hole 14a, and a clamping sliding hole 21c which is arranged at the near end of the clamping rod body 21b along the length direction;

the rotary worm wheel 22 comprises a worm wheel body 22a which is rotatably sleeved on the inner cylinder wall 13 and is positioned in front of the first circular ring 14, driving plugs 22b which are circumferentially and uniformly distributed at the front end of the worm wheel body 22a and are in one-to-one insertion and correspondence with the clamping slide holes 21c, an input worm 22c which is in transmission connection with the worm wheel body 22a, and a rear locking ring 22d which is formed in the lower end surface of the worm wheel body 22a and is arranged along and backwards penetrates through the first circular ring 14, wherein two ends of the input worm 22c penetrate through the outer cylinder wall 12 and are expanded to form a limiting ring;

the input device 3 comprises a motor 31 fixed at the rear end of the first circular ring 14, an input gear 32 driven by an output shaft at the rear end of the motor 31, and an annular assembly 33 driven by the input gear 32, wherein the annular assembly 33 comprises an annular body 33a rotatably sleeved on the inner cylinder wall 13, an annular internal gear 33b formed at the front end of the annular body 33a and meshed with the input gear 32, and an input bevel gear 33c formed at the rear end of the annular body 33a and narrow in front and wide in back, and the annular internal gear 33b is positioned between the pair of transmission retaining rings 15;

the impeller assembly 5 includes:

a rear stop ring 51 arranged at the rear end of the inner wall of the external cylinder wall 12;

the output cone pulley 52 is in a cone shape with a narrow front part and a wide rear part, an axial through hole is formed in the middle of the output cone pulley 52 and is rotatably sleeved at the rear end outside the inner cylinder wall 13, a rear stop ring groove 52a matched with the rear stop ring 51 is formed in the outer edge of the rear end of the output cone pulley 52, and an installation convex ring 52b is formed at the rear end of the axial through hole of the output cone pulley 52;

impellers 53 uniformly distributed in the circumferential direction on the inner edge of the mounting convex ring 52 b;

the rolling balls are evenly distributed between the front end surface of the rear baffle ring groove 52a and the rear stop ring 53 in the circumferential direction, and the rolling balls are evenly distributed between the circumferential side surface of the rear baffle ring groove 52a and the rear stop ring 53 in the circumferential direction;

the speed adjusting device 4 includes:

the limiting slot 41 is axially arranged on the outer wall of the built-in cylinder wall 13;

the drum assembly 42 comprises an arc-shaped side hole 42a arranged on the side surface of the rear half part of the external drum wall 12 along the circumferential direction, a drum body 42b rotatably inserted in the rear half part of the external drum wall 12, and a side deflector rod 42c arranged on the side surface of the drum body 42b and penetrating through the arc-shaped side hole 42 a;

the adjusting assemblies 43 are provided with at least two groups from front to back, each adjusting assembly 43 comprises an adjustable sleeve ring 43a slidably sleeved on the built-in cylinder wall 13, a limit plug 43b arranged on the inner wall of the adjustable sleeve ring 43a and inserted into the limit slot 41, fixed square rods 43c in an umbrella shape and circumferentially and uniformly distributed on the outer edge of the adjustable sleeve ring 43a, sliding insertion blocks 43d slidably sleeved on the corresponding fixed square rods 43c, and transmission circular rings 43e rotatably arranged on the corresponding sliding insertion blocks 41b, each adjusting assembly 43 further comprises a rotating conical disc 43f rotatably sleeved on the built-in cylinder wall 13, inclined insertion holes 43g circumferentially and uniformly distributed on the rotating conical disc 43f, rotating plugs 43h arranged below the rotating conical disc 43f and inserted into the rotating cylinder body 42b, and the inclined insertion holes 43g are in one-to-one correspondence with the sliding insertion blocks 43d, the inclined insertion holes 43g are sleeved on the corresponding sliding insertion blocks 43 d;

the middle conical discs 44 are rotatably arranged on the inner cylinder wall 13, and one middle conical disc 44 is respectively arranged between the adjacent adjusting components 43;

the adjusting component 43 positioned at the forefront is in transmission connection with the rear end surface of the input conical umbrella 33c through a transmission ring 43 e;

the rearmost adjusting assembly 43 is in transmission connection with the front end face of the output cone pulley 52 through a transmission ring 43e.

Still further, the input device 3 further includes an auxiliary gear set 34, and the auxiliary gear set 34 includes a hole-forming lug 34a disposed on the external cylinder wall 12, an auxiliary rotating shaft 34b rotatably inserted in the hole-forming lug 34a, and an auxiliary gear body 34c disposed at a lower end of the auxiliary rotating shaft 34b and engaged with the ring-shaped internal gear 33b.

Thanks to the above improved technical solution, the transmission structure between the ring gear 33b of the input device 3 and the input gear 32 is more stable.

Still further, the clamping device 2 further comprises a reinforced locking device 23 arranged right in front of the auxiliary gear set 34, the reinforced locking device 23 comprises an internal thread pipe 23a arranged on the side surface of the external cylinder wall 12, a locking bolt 23b which is screwed in the internal thread pipe 23a and is abutted against the side surface of the rear locking ring 22d, axial grooves 23c which are uniformly distributed on the circumference of the inner end of the locking bolt 23b in the circumferential direction and are arranged along the axial direction of the locking bolt, locking side holes 23c which are arranged on the side surface of the external cylinder wall 12 and are positioned at the rear position of the internal thread pipe 23a, the reinforced locking device 23 also comprises an L-shaped shifting rod 23e, the corner of the L-shaped shifting rod 23e is hinged on the front end surface of the lug with the hole 34a, the long end of the L-shaped deflector rod 23e abuts against the axial groove 23c, the short end of the L-shaped deflector rod 23e is inserted into the locking side hole 23c, and a torsion spring for driving the long end of the L-shaped deflector rod 23e to turn forwards is arranged on the L-shaped deflector rod 23 e.

Still further, an annular groove is formed between the outer edge of the front end face of the annular inner gear 33b and the transmission retaining ring 15, and balls are filled in the annular groove; an annular groove is formed between the outer edge of the rear end face of the annular inner gear 33b and the transmission retaining ring 15, and balls are filled in the annular groove.

Still further, the sliding insert 43d includes a spherical body 43c-1 rotatably sleeved on the fixed square rod 43c, and an annular groove 43c-2 formed on the spherical body 43c-1 for accommodating the rotation of the transmission ring 43e, wherein the upper and lower end surfaces of the spherical body 43c-1 are respectively cut to form a cutting plane 43c-3.

The specific use method is as follows:

referring to the attached drawings 1, 4 and 5 in the specification, the fan is fixed in a pipeline a through a clamping device 2 for blowing:

the front end of the cylindrical housing 1 is inserted into the opening of the pipe a, and the input worm 22c is exposed outside the pipe a.

The input worm 22c is rotated to drive the worm wheel body 22a and the driving plug 22b to rotate;

the driving plug 22b acts on the clamping slide hole 21c to drive the clamping rod body 21b to swing for a certain angle around the clamping rod middle shaft 21a, and the outer end of the clamping rod body 21b tightly abuts against the inner wall of the pipeline a to complete fixing.

Referring to the accompanying drawings 6, 7 and 8 in the specification, the fan described in the present application can transmit the power of the input device 3 to the impeller assembly 5 through the speed regulation assembly 4 to rotate, so as to generate an air flow, and can regulate the speed:

the power transmission process is as follows:

the motor 31 drives the annular internal gear 33b, the annular body 33a and the input bevel gear 33c to rotate through the input gear 32;

the input bevel 33c drives the transmission ring 43e of the adjusting assembly 43 to further drive the middle bevel disk 44 to rotate, the middle bevel disk drives the next middle bevel disk 44 to rotate through the transmission ring 43e behind the middle bevel disk, and the transmission ring 43e at the rearmost end finally drives the output bevel wheel 52 and the impeller 53 to rotate;

the speed regulation process is as follows:

rotating the side deflector rod 42c and the rotary drum body 42 b;

the rotating body 42b drives the rotating plug 43h, the inclined insertion hole 43g and the rotating conical disc 43f to rotate;

the displacement of the inclined insertion hole 43g drives the sliding insertion block 43d and the transmission ring 43e to slide on the fixed square rod 43 c;

the track circle diameter of the middle conical disk 44 actually contacted with the upper and lower sides of the transmission circular ring 43e changes, so that the transmission ratio between the adjacent front and rear middle conical disks 44 changes, and finally the rotation speed of the impeller 53 is adjusted on the premise of not needing to adjust the motor 31.

The fan is particularly suitable for being installed in a narrow pipeline and generating air flow, the structure of the whole device is reasonable, the ratio of the diameter of the impeller 53 to the diameter of the cylindrical shell 1 is at least larger than 0.5, and the whole device has no redundancy in the radial dimension.

The fan further locks the posture of the clamping device 2 for the second time through the reinforced locking device 23:

firstly, the rotating worm wheel 22 has a locking effect, i.e. a self-locking effect between the input worm 22c and the worm wheel body 22a, and the worm wheel body 22a can only be driven by the input worm 22c and can not rotate by itself.

Then, the reinforcing locking device 23 normally drives the long end of the L-shaped shift lever 23e by the torsion spring to insert into the locking side hole 23c, so as to restrain the locking bolt 23b from rotating, so that the locking bolt 23b can tightly lean against the outer side of the rear locking ring 22d, and the rear locking ring 22d and the worm wheel body 22a cannot rotate.

As a further embodiment, the motor 31 is connected to the mains or a battery through a wire, and the battery is disposed outside the cylindrical housing 1.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The utility model provides an insert formula pipeline built-in fan promptly which characterized in that: the wind power generation device comprises a cylindrical shell (1), a clamping device (2) arranged at the front end of the cylindrical shell (1) and used for clamping in a pipeline, an input device (3) used for providing power input, an impeller assembly (5) used for generating wind power, and a speed regulating assembly (4) used for connecting the input device (3) and the impeller assembly (5).

2. The utility model provides an insert formula pipeline built-in fan promptly which characterized in that:

the cylindrical shell (1) comprises an annular front baffle (11), an external cylinder wall (12) arranged behind the outer edge of the annular front baffle (11) and an internal cylinder wall (13) arranged behind the inner edge of the annular front baffle (11), wherein a first circular ring (14) is formed inwards in the front half part of the external cylinder wall (12), clamping through holes (14a) are uniformly distributed in the circumferential direction of the part, located in front of the first circular ring (14), of the external cylinder wall (12), and two transmission baffle rings (15) are arranged in the middle of the external cylinder wall (12);

the clamping device (2) comprises: :

the swing clamping rods (21) correspond to the clamping through holes (14a) one by one, and each swing clamping rod (21) comprises a clamping rod center shaft (21a) fixed at the front end of the first circular ring (13), a clamping rod body (21b) which is rotatably inserted into the clamping rod center shaft (21a) and penetrates through the corresponding clamping through hole (14a), and a clamping sliding hole (21c) which is formed in the length direction at the near end of the clamping rod body (21 b);

the rotary worm wheel (22) comprises a worm wheel body (22a) which is rotatably sleeved on the front position of the inner cylinder wall (13) and is positioned in front of the first circular ring (14), driving plugs (22b) which are circumferentially and uniformly distributed at the front end of the worm wheel body (22a) and are in one-to-one insertion and correspondence with the clamping sliding holes (21c), an input worm (22c) which is in transmission connection with the worm wheel body (22a), and a rear locking ring (22d) which is formed in the lower end surface of the worm wheel body (22a) and penetrates through the first circular ring (14) backwards, wherein two ends of the input worm (22c) penetrate through the outer cylinder wall (12) and are expanded to form a limiting ring;

the input device (3) comprises a motor (31) fixed at the rear end of a first circular ring (14), an input gear (32) driven by an output shaft at the rear end of the motor (31), and an annular assembly (33) driven by the input gear (32), wherein the annular assembly (33) comprises an annular body (33a) rotatably sleeved on the built-in cylinder wall (13), an annular internal gear (33b) formed at the front end of the annular body (33a) and meshed with the input gear (32), and an input bevel gear (33c) formed at the rear end of the annular body (33a) and narrow in front and wide in back, and the annular internal gear (33b) is positioned between a pair of transmission retaining rings (15);

the impeller assembly (5) comprises:

the rear stop ring (51) is arranged at the rear end of the inner wall of the external cylinder wall (12);

the output cone pulley (52) is in a cone shape with a narrow front part and a wide rear part, an axial through hole is formed in the middle of the output cone pulley (52) and is rotatably sleeved at the rear end of the outer part of the built-in cylinder wall (13), a rear blocking ring groove (52a) matched with the rear blocking ring (51) is formed in the outer edge of the rear end of the output cone pulley (52), and a mounting convex ring (52b) is formed at the rear end of the axial through hole of the output cone pulley (52);

impellers (53) which are uniformly distributed in the circumferential direction on the inner edge of the mounting convex ring (52 b);

the rolling balls are evenly distributed between the front end face of the rear baffle ring groove (52a) and the rear stop ring (53) in the circumferential direction, and the rolling balls are evenly distributed between the circumferential side face of the rear baffle ring groove (52a) and the rear stop ring (53) in the circumferential direction;

the speed regulation device (4) comprises:

the limiting slot (41) is axially arranged on the outer wall of the built-in cylinder wall (13);

the drum assembly (42) comprises an arc-shaped side hole (42a) formed in the side surface of the rear half part of the external drum wall (12) along the circumferential direction, a drum body (42b) rotatably inserted in the rear half part of the external drum wall (12), and a side deflector rod (42c) which is arranged on the side surface of the drum body (42b) and penetrates through the arc-shaped side hole (42 a);

the adjusting components (43) are arranged in at least two groups from front to back, each adjusting component (43) comprises an adjustable sleeve ring (43a) which is slidably sleeved on the corresponding built-in cylinder wall (13), a limiting plug (43b) which is arranged on the inner wall of the adjustable sleeve ring (43a) and is inserted into the limiting slot (41), a fixed square rod (43c) which is in an umbrella shape and is circumferentially and uniformly distributed on the outer edge of the adjustable sleeve ring (43a), a sliding insertion block (43d) which is slidably sleeved on the corresponding fixed square rod (43c), a transmission circular ring (43e) which is rotatably arranged on the corresponding sliding insertion block (41b), each adjusting component (43) further comprises a rotating conical disc (43f) which is rotatably sleeved on the built-in cylinder wall (13), inclined insertion holes (43g) which are circumferentially and uniformly distributed on the rotating conical disc (43f), and a rotating plug (43h) which is arranged below the rotating conical disc (43f) and is inserted into the rotating cylinder body (42b, the inclined insertion holes (43g) are in one-to-one correspondence with the sliding insertion blocks (43d), and the inclined insertion holes (43g) are sleeved on the corresponding sliding insertion blocks (43 d);

the middle conical discs (44) are rotatably arranged on the inner cylinder wall (13), and one middle conical disc (44) is respectively arranged between the adjacent adjusting components (43);

the adjusting component (43) positioned at the forefront is in transmission connection with the rear end surface of the input conical umbrella (33c) through a transmission ring (43 e);

the adjusting component (43) positioned at the rearmost part is in transmission connection with the front end face of the output cone pulley (52) through a transmission ring (43 e).

3. The plug-in type pipeline built-in fan according to claim 2, characterized in that: the input device (3) further comprises an auxiliary gear set (34), wherein the auxiliary gear set (34) comprises a hole-shaped lug (34a) arranged on the external cylinder wall (12), an auxiliary rotating shaft (34b) rotatably inserted in the hole-shaped lug (34a), and an auxiliary gear body (34c) arranged at the lower end of the auxiliary rotating shaft (34b) and meshed with the annular inner gear (33 b).

4. The plug-in type pipeline built-in fan according to claim 3, characterized in that: the clamping device (2) further comprises an enhanced locking device (23) arranged right in front of the auxiliary gear set (34), the enhanced locking device (23) comprises an internal threaded pipe (23a) arranged on the side surface of the external cylinder wall (12), a locking bolt (23b) screwed in the internal threaded pipe (23a) and abutted against the side surface of the rear locking ring (22d), an axial groove (23c) circumferentially and uniformly distributed on the inner periphery of the locking bolt (23b) and axially arranged along the axial groove, and a locking side hole (23c) arranged on the side surface of the external cylinder wall (12) and positioned at the rear position of the internal threaded pipe (23a), the enhanced locking device (23) further comprises an L-shaped deflector rod (23d), the corner of the L-shaped deflector rod (23d) is hinged to the front end surface of the lug (34a) with the hole, the long end of the L-shaped deflector rod (23d) is abutted against the axial groove (23c), and the short end of the L-shaped deflector rod (23d) is, and a torsion spring for driving the long end of the L-shaped deflector rod (23d) to turn forwards is arranged on the L-shaped deflector rod.

5. The plug-in type pipeline built-in fan according to claim 4, characterized in that: an annular groove is formed between the outer edge of the front end face of the annular inner gear (33b) and the transmission retaining ring (15) and is filled with balls; an annular groove is formed between the outer edge of the rear end face of the annular inner gear (33b) and the transmission retaining ring (15) and filled with balls.

6. The plug-in type pipeline built-in fan according to claim 5, characterized in that: the sliding insert block (43d) comprises a spherical body (43c-1) which is rotatably sleeved on the fixed square rod (43c) and an annular groove (43c-2) which is formed in the spherical body (43c-1) and used for accommodating the rotation of the transmission ring (43e), and the upper end face and the lower end face of the spherical body (43c-1) are respectively cut and formed with a cutting plane (43 c-3).

7. The use method of the plug-in type pipeline built-in fan according to claim 6, characterized in that: the method comprises the following steps:

step 1, clamping and fixing:

the front end of the cylindrical shell (1) is inserted into the pipe orifice of the pipeline (a), and the input worm (22c) is exposed outside the pipeline (a).

The input worm (22c) is rotated to drive the worm wheel body (22a) and the driving plug (22b) to rotate;

the driving plug (22b) acts on the clamping sliding hole (21c) to drive the clamping rod body (21b) to swing for a certain angle around the clamping rod middle shaft (21a), and the outer end of the clamping rod body (21b) tightly abuts against the inner wall of the pipeline (a) to complete fixing.

And step 2, air blasting:

the motor (31) drives the annular internal gear (33b), the annular body (33a) and the input bevel gear (33c) to rotate through the input gear (32);

the input conical umbrella (33c) drives the transmission circular ring (43e) of the adjusting component (43) to further drive the middle conical disc (44) to rotate, the middle conical disc drives the next middle conical disc (44) to rotate through the transmission circular ring (43e) behind the middle conical disc, and the transmission circular ring (43e) located at the rearmost part finally drives the output conical wheel (52) and the impeller (53) to rotate;

step 3, manual speed regulation:

rotating the side deflector rod (42c) and the rotary drum body (42 b);

the rotating body (42b) drives the rotating plug (43h), the inclined insertion hole (43g) and the rotating conical disc (43f) to rotate;

the displacement of the inclined insertion hole (43g) drives the sliding insertion block (43d) and the transmission ring (43e) to slide on the fixed square rod (43 c);

the track circle diameter of the middle conical discs (44) which are actually contacted with the upper and lower sides of the transmission circular ring (43e) is changed, so that the transmission ratio between the adjacent front and rear middle conical discs (44) is changed, and finally, the rotation speed of the impeller (53) is adjusted on the premise of not needing to adjust the motor (31).