CN217926384U

CN217926384U - High-pressure fan

Info

Publication number: CN217926384U
Application number: CN202222495665.7U
Authority: CN
Inventors: 李燕华; ***; 林志立
Original assignee: Foshan Lvfan Co ltd
Current assignee: Foshan Lvfan Co ltd
Priority date: 2022-09-21
Filing date: 2022-09-21
Publication date: 2022-11-29
Anticipated expiration: 2032-09-21

Abstract

The utility model discloses a high pressure positive blower relates to high pressure positive blower technical field, including the high pressure positive blower main part, the fixed surface of high pressure positive blower main part inlays and has the motor, and the fixed surface intercommunication of high pressure positive blower main part has the air-supply line, and the fixed surface intercommunication of high pressure positive blower main part has two play tuber pipes, and two play tuber pipes all install the silencer in the one end that the high pressure positive blower main part was kept away from, and the supporting leg is all installed to two surfaces that go out the tuber pipe, and a set of backup pad is installed to the inner wall of air-supply line. It can set up through the cooperation between high pressure positive blower main part, motor, air-supply line, play tuber pipe, silencer, supporting leg, backup pad, filter screen and the joint subassembly, utilizes the filter screen, can filter the air that enters into high pressure positive blower main part inside, utilizes the joint subassembly, can conveniently install and dismantle the filter screen for the change of filter screen and the process of clearance are very convenient and fast.

Description

High-pressure fan

Technical Field

The utility model relates to a high pressure positive blower technical field specifically is a high pressure positive blower.

Background

The high-pressure fan is a fan with the wind pressure of 30KPa to 200KPa or the compression ratio e =1.3 to 3 under the design condition. The air ring vacuum pump is generally classified as a high-pressure fan in the current industry. The high pressure fan, also called high pressure blower, is different from a common centrifugal blower, when the impeller rotates, the vane impels the gas to move forwards and outwards under the action of centrifugal force, so as to form a series of spiral movements, and along with the rotation, the kinetic energy of the gas is increased, so that the pressure of the gas passing through the side channel is further increased. When the air reaches the junction of the side groove and the discharge flange, the air is forced out of the vanes and out of the pump body through the outlet.

At present, in order to prevent dust in air from damaging blades of a high-pressure fan, a filter screen is usually installed at an air inlet of the high-pressure fan, but when dust accumulated on the filter screen needs to be cleaned, an air inlet cover needs to be detached, most of the existing high-pressure fans use bolts to fix the filter screen, so that the filter screen is troublesome to install and detach, and the filter screen is very complicated to replace and clean; therefore, the high-pressure fan solves the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a high pressure positive blower in order to compensate the not enough of prior art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high pressure positive blower, includes the high pressure positive blower main part, the fixed surface of high pressure positive blower main part is inlayed and is had the motor, the fixed surface intercommunication of high pressure positive blower main part has the air-supply line, the fixed surface intercommunication of high pressure positive blower main part has two play tuber pipes, two the silencer is all installed to the one end that the high pressure positive blower main part was kept away from to the play tuber pipe, two the supporting leg is all installed to the surface of play tuber pipe, a set of backup pad is installed to the inner wall of air-supply line, the filter screen has been placed to the inside of air-supply line, the surface mounting of air-supply line has two joint subassemblies.

Further, the joint subassembly including fixed inlay in the spacing case of air-supply line surface, the inner wall sliding connection of spacing case has the slide, the surface mounting of slide has the limiting plate, and the limiting plate contacts with the filter screen.

Furthermore, a pull rod is installed on one side face, away from the limiting plate, of the sliding plate, and a pull ring is installed at one end, away from the sliding plate, of the pull rod.

Furthermore, the outer surface cover of pull rod is equipped with the spring, the both ends of spring respectively with the inner wall of spacing case and the surface fixed connection of slide.

Furthermore, two chutes are formed in the inner wall of the limiting box, the inner walls of the chutes are connected with sliding blocks in a sliding mode, and the sliding blocks are fixedly connected with the sliding plate.

Further, two the equal fixedly connected with mounting panel in bottom of supporting leg, two a set of mounting hole has all been seted up to the upper surface of mounting panel.

Furthermore, the surface mounting of filter screen has two connecting rods, two the connecting rod is kept away from the one end of filter screen and is all installed the go-between.

Compared with the prior art, the high-pressure fan has the following beneficial effects:

1. the utility model discloses a cooperation setting between high pressure positive blower main part, motor, air-supply line, play tuber pipe, silencer, supporting leg, backup pad, filter screen and the joint subassembly utilizes the filter screen, can filter the air that enters into high pressure positive blower main part inside, utilizes the joint subassembly, can conveniently install and dismantle the filter screen for the change of filter screen and the process of clearance are very convenient and fast.

2. The utility model discloses a filter screen, spacing case, the slide, the limiting plate, the pull rod, the pull ring, a spring, cooperation setting between spout and the slider, outside pulling pull ring drives pull rod and slide and removes, the limiting plate shrink to spacing case's inside, can relieve spacing to the filter screen, the convenience is dismantled the filter screen, the inside of air-supply line is put into to the filter screen that will clear up, loosen the pull ring, the elasticity of spring makes two limiting plates reset, can conveniently carry on spacingly to the filter screen, can conveniently install the filter screen.

Drawings

Fig. 1 is a schematic perspective view of the front view of the present invention;

FIG. 2 is a schematic diagram of the right side view of the present invention;

FIG. 3 is a schematic perspective view of the air inlet pipe of the present invention;

FIG. 4 is a schematic perspective view of the clamping assembly of the present invention;

fig. 5 is the internal structure diagram of the limiting box of the present invention.

In the figure: 1. a high pressure fan main body; 2. a motor; 3. an air inlet pipe; 4. an air outlet pipe; 5. a muffler; 6. supporting legs; 7. a support plate; 8. a filter screen; 9. a clamping assembly; 901. a limiting box; 902. a slide plate; 903. a limiting plate; 904. a pull rod; 905. a pull ring; 906. a spring; 907. a chute; 908. a slider; 10. mounting a plate; 11. mounting holes; 12. a connecting rod; 13. and (7) connecting rings.

Detailed Description

The principles and features of the present invention will be described with reference to the drawings, which are provided for illustration only and are not intended to limit the scope of the invention.

This embodiment provides a high pressure positive blower, and the device is under the design condition, and the wind pressure is 30kPa ~ 200KPa or the fan that compresses ratio e =1.3 ~ 3, and the device can conveniently install and dismantle filter screen 8 for the change of filter screen 8 and the process of clearance are very convenient and fast.

Referring to fig. 1 to 5, a high pressure positive blower, including high pressure positive blower main part 1, the internally mounted of high pressure positive blower main part 1 has spare parts such as blade, the fixed surface of high pressure positive blower main part 1 inlays and has motor 2, the fixed surface of high pressure positive blower main part 1 communicates and has an air-supply line 3, the output of motor 2 is connected with the inside blade of high pressure positive blower main part 1, the inside blade of motor 2 work can drive high pressure positive blower main part 1 rotates, can make outside air enter into the inside of high pressure positive blower main part 1 through air-supply line 3.

The outer fixed surface intercommunication of high pressure positive blower main part 1 has two symmetrical air-out pipes 4, and the silencer 5 is all installed to the one end that high pressure positive blower main part 1 was kept away from to two air-out pipes 4, and the air-out pipe 4 of setting can make things convenient for the inside wind of high pressure positive blower main part 1 to blow out, and the silencer 5 of setting can carry out the amortization to the wind that blows off from air-out pipe 4 inside, can reduce the device noise at the during operation.

Supporting legs 6 are all installed to two surfaces that go out tuber pipe 4, and the supporting leg 6 of setting can support the device, and the equal fixedly connected with mounting panel 10 in bottom of two supporting legs 6, a set of mounting hole 11 has all been seted up to the upper surface of two mounting panels 10, passes the inside of mounting hole 11 with fixing bolt for fixing bolt is connected with the connecting piece, can conveniently install the device.

A set of backup pad 7 that is the circumference array is installed to the inner wall of air-supply line 3, filter screen 8 has been placed to the inside of air-supply line 3, the enough air of mesh number of filter screen 8 enters into the inside of high pressure positive blower main part 1 fast, the backup pad 7 of setting, can support and be spacing to filter screen 8, the filter screen 8 of setting, can filter the air that enters into high pressure positive blower main part 1 inside through air-supply line 3, can avoid the dust in the air to cause the harm to the inside of high pressure positive blower main part 1.

Two symmetrical connecting rods 12 are mounted on the outer surface of the filter screen 8, a connecting ring 13 is mounted at one end, far away from the filter screen 8, of each of the two connecting rods 12, and the connecting rods 12 and the connecting ring 13 are arranged, so that the filter screen 8 can be conveniently taken out from the air inlet pipe 3.

The outer surface mounting of air-supply line 3 has two symmetrical joint subassemblies 9, and joint subassembly 9 is including fixed the spacing case 901 of inlaying in the air-supply line 3 surface, and the inner wall sliding connection of spacing case 901 has slide 902, and the surface mounting of slide 902 has limiting plate 903, and limiting plate 903 and filter screen 8 contact.

Slide 902 can slide in the inside of spacing case 901, and limiting plate 903 contacts with filter screen 8, can be with filter screen 8 spacing between limiting plate 903 and backup pad 7, can conveniently install filter screen 8.

A pull rod 904 is installed on one side face, away from the limiting plate 903, of the sliding plate 902, one end, away from the sliding plate 902, of the pull rod 904 penetrates through the inner wall of the limiting box 901 and extends to the outside of the limiting box 901, the penetrating position of the outer surface of the pull rod 904 and the limiting box 901 is in sliding connection, and a pull ring 905 is installed at one end, away from the sliding plate 902, of the pull rod 904.

Outwards pulling pull ring 905 can drive pull rod 904 and remove to can make pull rod 904 drive slide 902 and limiting plate 903 remove, make limiting plate 903 can contract to limiting box 901's inside, can remove the spacing to filter screen 8, can conveniently dismantle filter screen 8.

The outer surface cover at pull rod 904 is equipped with spring 906, and spring 906's both ends respectively with the inner wall of spacing case 901 and the outer fixed surface of slide 902 are connected, and spring 906's surface and pull rod 904 contactless, when pull ring 905 pulling slide 902 removed, can make slide 902 compress spring 906, and slide 902 and limiting plate 903 reset can be made things convenient for to spring 906's elasticity.

Two symmetrical sliding grooves 907 are formed in the inner wall of the limiting box 901, sliding blocks 908 are connected to the inner walls of the two sliding grooves 907 in a sliding mode, and the sliding blocks 908 are fixedly connected with the sliding plate 902.

When the pull rod 904 drives the sliding plate 902 to slide on the inner wall of the limiting box 901, the sliding block 908 can slide on the inner wall of the sliding groove 907, the sliding plate 902 can be guided and limited, and the stability of the sliding plate 902 in moving can be ensured.

The working principle is as follows: the device is when using, pass the inside of mounting hole 11 with fixing bolt, make fixing bolt be connected with the connecting piece, can conveniently install the device, the work of motor 2 can drive the inside blade of high pressure positive blower main part 1 and rotate, make outside air can enter into the inside of high pressure positive blower main part 1 through air-supply line 3, the inside that gas entered into high pressure positive blower main part 1 is compressed, then reply impeller blade interval rotation with higher speed once more, gaseous kinetic energy increases, gas is extruded the blade promptly and is blown off through play tuber pipe 4 and silencer 5, the filter screen 8 of setting, can filter the air that enters into high pressure positive blower main part 1 inside through air-supply line 3, avoid the dust in the air to cause the harm to the inside blade of high pressure positive blower main part 1, when filter screen 8 is blockked up needs to dismantle the clearance to filter screen 8 by the dust, at first outwards stimulate two pull rings 905, pull ring 905 can drive pull rod 904 and slide removal 902, can make the limiting plate 903 shrink to the inside of spacing case 901, can remove the spacing to filter screen 8, can conveniently dismantle filter screen 8, conveniently put into the pull ring 905, make two pull ring 905 and can loosen the spring of filter screen 906 under the convenient installation, the filter screen 906.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a high pressure positive blower, includes high pressure positive blower main part (1), its characterized in that: the fixed surface of high pressure positive blower main part (1) inlays and has motor (2), the fixed surface intercommunication of high pressure positive blower main part (1) has air-supply line (3), the fixed surface intercommunication of high pressure positive blower main part (1) has two play tuber pipe (4), two go out one end that high pressure positive blower main part (1) was kept away from in tuber pipe (4) and all install silencer (5), two supporting leg (6) are all installed to the surface that goes out tuber pipe (4), a set of backup pad (7) are installed to the inner wall of air-supply line (3), filter screen (8) have been placed to the inside of air-supply line (3), the surface mounting of air-supply line (3) has two joint subassemblies (9).

2. The high-pressure fan according to claim 1, characterized in that: the clamping assembly (9) comprises a limiting box (901) fixedly embedded on the outer surface of the air inlet pipe (3), a sliding plate (902) is connected to the inner wall of the limiting box (901) in a sliding mode, a limiting plate (903) is installed on the outer surface of the sliding plate (902), and the limiting plate (903) is in contact with the filter screen (8).

3. The high-pressure fan according to claim 2, wherein: a pull rod (904) is installed on one side face, far away from the limiting plate (903), of the sliding plate (902), and a pull ring (905) is installed at one end, far away from the sliding plate (902), of the pull rod (904).

4. The high-pressure fan according to claim 3, wherein: the outer surface cover of pull rod (904) is equipped with spring (906), the both ends of spring (906) respectively with the inner wall of spacing case (901) and the surface fixed connection of slide (902).

5. The high-pressure fan according to claim 2, wherein: two sliding grooves (907) are formed in the inner wall of the limiting box (901), sliding blocks (908) are connected to the inner walls of the two sliding grooves (907) in a sliding mode, and the sliding blocks (908) are fixedly connected with the sliding plate (902).

6. The high-pressure fan according to claim 1, characterized in that: two the equal fixedly connected with mounting panel (10) in bottom of supporting leg (6), two a set of mounting hole (11) have all been seted up to the upper surface of mounting panel (10).

7. The high-pressure fan according to claim 1, characterized in that: the outer surface mounting of filter screen (8) has two connecting rods (12), two connecting rod (12) keep away from the one end of filter screen (8) and all install go-between (13).