CN221074624U

CN221074624U - Three-blade Roots blower with protection function

Info

Publication number: CN221074624U
Application number: CN202322733667.XU
Authority: CN
Inventors: 唐杰; 周东; 孙斌章
Original assignee: Jiangyin Elm Vacuum Equipment Co ltd
Current assignee: Jiangyin Elm Vacuum Equipment Co ltd
Priority date: 2023-10-12
Filing date: 2023-10-12
Publication date: 2024-06-04
Anticipated expiration: 2033-10-12

Abstract

The utility model discloses a three-blade Roots blower with a protection function, which comprises a base, wherein a motor is arranged on the right side of the base, a pump is arranged on the left side of the motor, a hydraulic rod is fixedly arranged on the leftmost side of the base, belt pulleys are arranged on the same side of the motor and the pump, and fixing blocks are fixedly arranged at the upper end and the lower end of the belt pulleys. According to the utility model, the fixed blocks are symmetrically arranged on the belt pulley, the guard plates are arranged on the outer side of the belt pulley, the potential safety hazard caused by the fact that personnel or external sundries are rolled in is prevented, the movable blocks, the bending blocks, the springs and the like are arranged in the fixed blocks, the support columns are inserted in the square holes in alignment when the guard plates are arranged, the springs in the fixed blocks deform, the bending blocks rotate based on the pin shafts, the front hooked front ends are clamped into the grooves, the guard plates are fixed on the periphery of the belt pulley, and the guard plates are easy to detach by only pressing the movable blocks in a bolt fixing mode, so that the guard plates are convenient for daily overhaul procedures.

Description

Three-blade Roots blower with protection function

Technical Field

The utility model relates to the technical field of blowers, in particular to a three-blade Roots blower with a protection function.

Background

The three-blade Roots blower is a positive displacement blower, the air quantity is proportional to the revolution, and 3 times of air suction and air discharge are carried out by 2 impellers every time the three-blade impeller rotates. Compared with the two-leaf type, the air pulsation is small, the vibration is also small, and the noise is low. The impeller on the 2 axles of the fan and the inner hole surface of the oval shell keep tiny gaps all the time between the end surface of the impeller and the front and rear end covers of the fan and between the impellers of the fan, and the wind is conveyed to one side of the exhaust along the inner wall of the shell from the air inlet of the fan under the drive of the synchronous gear. The inner cavity of the fan does not need lubricating oil, has simple structure, stable operation and stable performance, is suitable for various purposes, and is applied to the wide field.

But current three leaf roots blower need provide power through the motor when using, through installing the belt pulley on air-blower and motor, overlaps the belt on the belt pulley, drives the inside three leaf type impeller rotation of three leaf roots blower, and three leaf roots blower is large-scale equipment and belt belongs to fragile device again, often needs to overhaul, and ordinary belt is exposed in the outside, very easily rolls in outside personnel when the air-blower is operated, causes the installation hidden danger.

Disclosure of utility model

The utility model aims to provide a three-blade Roots blower with a protection function, so as to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a three leaf roots blower with safeguard function, includes the base, the motor is installed on the right side of base, the pump is installed in the left side of motor, the left side fixed mounting of base has the hydraulic stem, the same one side of motor and pump all is provided with the belt pulley, the upper and lower fixed mounting of belt pulley has the fixed block, one side of fixed block is provided with square hole and the rectangular hole that runs through the outer wall, the inside of fixed block sets up to the cavity department, the movable block is installed near left side inside the fixed block, install the piece of buckling under the movable block, the hook dress front end is installed on the right side of buckling the piece, one side movable mounting that the belt pulley just corresponds has the backplate, install the support column on the backplate inner wall, the kicking block is installed to the bottom symmetry of fixed block, install the spring between kicking block and the fixed block.

Preferably, the movable block is installed in the rectangular hole in a penetrating manner, meanwhile, a sliding groove is installed on the inner wall of the rectangular hole, and the movable block is connected with the rectangular hole in a sliding manner through the sliding groove.

Preferably, the fixed block is internally provided with limiting columns at two sides of the movable block, and extension blocks are symmetrically arranged on the outer walls of two sides of the movable block, and the extension blocks are positioned behind the limiting columns.

Preferably, the outline of the bending block is a bending type, the left end of the bending block and the movable block are mutually attached, and meanwhile, the bending block is hooked at the front end in an initial state and is positioned right behind the square hole.

Preferably, the bending block is rotatably mounted in the fixing block through a pin shaft, and the top block is respectively positioned at the left lower part of the bending block and under the square hole.

Preferably, the bottom of the support column is provided with a groove penetrating through the outer wall, and the position of the support column corresponds to the position of the square hole on the fixed block.

Preferably, the motor and the pump are in power transmission through a belt arranged on a belt pulley, a silencer is arranged on an air inlet at the left upper corner of the pump, and a corrugated pipe is arranged at an air outlet at the left side of the pump.

Preferably, the top of hydraulic stem installs fixed establishment, and the end of bellows passes through fixed establishment installation hydraulic stem top, the bottom of support column and hook dress front end all set up to the cambered surface.

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

According to the utility model, the fixed blocks are symmetrically arranged on the upper side and the lower side of the belt pulley, the guard plates are arranged on the outer side of the belt pulley, the guard plates are additionally arranged between personnel and the running belt, so that potential safety hazards caused by the rolling of personnel or external sundries are prevented, meanwhile, the movable blocks, the bending blocks, the springs and other structures are arranged in the fixed blocks, the support columns are inserted in the square holes in alignment when the guard plates are arranged, the springs in the square holes are deformed, the bending blocks rotate on the basis of the pin shafts, the front hooked ends of the bending blocks are clamped into the grooves, the guard plates are fixed on the periphery of the belt pulley, and the guard plates can be easily detached by pressing the movable blocks in maintenance, so that the guard plates are convenient for daily maintenance flow;

According to the utility model, the silencer is arranged above the air inlet of the pump, so that huge noise generated by the three-blade Roots blower during working can be greatly reduced, the front telescopic rod can freely change the height of the air outlet corrugated pipe according to working places, and the novel three-blade Roots blower is convenient to use.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is an internal schematic diagram of the present utility model;

FIG. 3 is an enlarged schematic view of FIG. 2 at A;

FIG. 4 is a schematic view showing the internal structure of the fixing block according to the present utility model

In the figure: 1. a base; 2. a motor; 21. a belt pulley; 22. a belt; 3. a pump machine; 4. a hydraulic rod; 5. a fixed block; 51. square holes; 52. a rectangular hole; 53. a movable block; 6. bending the block; 61. hooking the front end; 7. a guard board; 71. a support column; 72. a groove; 8. a top block; 81. and (3) a spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a three leaf roots blower with safeguard function, includes base 1, motor 2 is installed on the right side of base 1, pump 3 is installed in the left side of motor 2, the left side fixed mounting who just corresponds of base 1 has hydraulic stem 4, motor 2 and pump 3 are the same one side all is provided with belt pulley 21, the upper and lower fixed mounting of belt pulley 21 has fixed block 5, one side of fixed block 5 is provided with square hole 51 and rectangular hole 52 that runs through the outer wall, the inside of fixed block 5 sets up to the cavity department, movable block 53 is installed to the inside left side of fixed block 5, install buckling piece 6 under the movable block 53, hook mounting front end 61 is installed on the right side of buckling piece 6, one side movable mounting who just corresponds of belt pulley 21 has backplate 7, install support column 71 on the backplate 7 inner wall, the bottom symmetry of fixed block 5 is installed kicking block 8, install spring 81 between kicking block 8 and the fixed block 5.

The movable block 53 is installed in the rectangular hole 52 in a penetrating manner, meanwhile, a sliding groove is installed on the inner wall of the opening of the rectangular hole 52, and the movable block 53 is connected with the opening of the rectangular hole 52 in a sliding manner through the sliding groove. The fixed block 5 is internally provided with limiting columns at two sides of the movable block 53, and extension blocks are symmetrically arranged on the outer walls of two sides of the movable block 53, and the extension blocks are positioned behind the limiting columns. The outline of the bending block 6 is a bending type, the left end of the bending block 6 and the movable block 53 are mutually attached, and meanwhile, the front end 61 of the bending block 6 in the initial state is hooked right behind the square hole 51. The bending block 6 is rotatably mounted inside the fixed block 5 through a pin shaft, and the top block 8 is respectively positioned below the left side of the bending block 6 and below the square hole 51. The bottom of the support column 71 is provided with a groove 72 penetrating through the outer wall, and the position of the support column 71 corresponds to the position of the square hole 51 on the fixed block 5. The motor 2 and the pump 3 are in power transmission through a belt 22 arranged on a belt pulley 21, a silencer is arranged on an air inlet at the upper left corner of the pump 3, and a corrugated pipe is arranged at an air outlet at the left side of the pump 3. The top of the hydraulic rod 4 is provided with a fixing mechanism, the tail end of the corrugated pipe is arranged above the hydraulic rod 4 through the fixing mechanism, and the bottom of the supporting column 71 and the hook front end 61 are both arranged to be cambered surfaces.

Working principle: when the utility model is used, the corrugated pipe is arranged on the air outlet of the pump machine 3, the silencer is fixedly arranged on the air inlet of the pump machine 3, and the belt 22 is sleeved on the motor 2 and the belt pulley 21 on the pump machine 3 according to the working requirement.

When the guard plate 7 is correctly placed, the support column 71 on the guard plate 7 is aligned with the position of the square hole 51, the support column 71 is inserted into the square hole 51, and in the process that the support column 71 moves towards the inside of the square hole 51, the upper sides of the bottom hooking front ends 61 of the support column 71 are mutually contacted, as the bottom of the support column 71 and the hooking front ends 61 are both arranged to be cambered surfaces, when the hooking front ends 61 are pressed by the support column 71, the bending block 6 rotates anticlockwise based on the pin shaft, meanwhile, the left spring 81 deforms and compresses, the hooking front ends 61 can be attached to the outer wall of the support column 71 under the action of the spring 81, when the support column 71 continues to move downwards, the hooking front ends 61 move to the groove 72, and because of the deformable section of the spring 81, the bending block 6 rotates clockwise, the hooking front ends 61 are clamped in the groove 72, so that the guard plate 7 is fixed on the periphery of the belt 22, the right spring 81 is in a compressed state, and the left spring 81 is in an undeformed state.

If the support post 71 cannot move further in the square hole 51 during the process of installing the guard 7, it is indicated that the hooked front end 61 and the bottom of the support post 71 are balanced with each other, and the movable block 53 is pressed at this time.

When the guard plate 7 needs to be disassembled, the movable block 53 is pressed, the bottom of the movable block 53 is pressed towards the bending block 6, the bending block 6 moves around the pin shaft in a counterclockwise circular mode, the deformation of the left spring 81 is shortened, the right spring 81 moves from a compressed state towards an initial state, the support column 71 is ejected upwards through the ejector block 8, the groove 72 moves to be above the hooking front end 61, and then the guard plate 7 is disassembled.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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.

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

Claims

1. Three leaf roots air-blower with safeguard function, including base (1), its characterized in that: the motor (2) is installed on the right side of base (1), pump (3) are installed in the left side of motor (2), pump (4) are installed in the left side fixed mounting of base (1), motor (2) and pump (3) the same one side all are provided with belt pulley (21), the upper and lower fixed mounting of belt pulley (21) has fixed block (5), one side of fixed block (5) is provided with square hole (51) and rectangular hole (52) that run through the outer wall, the inside of fixed block (5) sets up to the cavity department, movable block (53) are installed near left side to the inside of fixed block (5), buckling piece (6) are installed on the right side of movable block (53), buckling piece (6) install hook-mounted front end (61), one side movable mounting backplate (7) that belt pulley (21) just corresponds, install support column (71) on backplate (7) inner wall, footstock (8) are installed to the bottom symmetry of fixed block (5), install between footstock (8) and fixed block (81).

2. The three-blade Roots blower with protection function according to claim 1, wherein: the movable block (53) is installed in the rectangular hole (52) in a penetrating mode, meanwhile, a sliding groove is installed on the inner wall of the opening of the rectangular hole (52), and the movable block (53) is connected with the opening of the rectangular hole (52) in a sliding mode through the sliding groove.

3. A three-lobe Roots blower with protective function according to claim 2, wherein: limiting columns are fixedly arranged inside the fixed block (5) on two sides of the movable block (53), extension blocks are symmetrically arranged on the outer walls of the two sides of the movable block (53), and the extension blocks are located behind the limiting columns.

4. A three-lobe Roots blower with protective function according to claim 3, wherein: the outline of the bending block (6) is of a bending type, the left end of the bending block (6) and the movable block (53) are mutually attached, and meanwhile, the bending block (6) is hooked at the front end (61) in an initial state and is located right behind the square hole (51).

5. The three-blade Roots blower with protection function according to claim 4, wherein: the bending block (6) is rotatably mounted in the fixed block (5) through a pin shaft, and the top block (8) is respectively positioned at the left lower part of the bending block (6) and under the square hole (51).

6. The three-blade Roots blower with protection function according to claim 5, wherein: the bottom of support column (71) is provided with recess (72) that run through the outer wall, the position of support column (71) corresponds with square hole (51) position on fixed block (5) each other.

7. The three-blade Roots blower with protection function according to claim 6, wherein: the motor (2) and the pump (3) are connected through a belt (22) arranged on a belt pulley (21) to transmit power, a silencer is arranged on an air inlet at the upper left corner of the pump (3), and a corrugated pipe is arranged at an air outlet at the left side of the pump (3).

8. The three-blade Roots blower with protection function according to claim 7, wherein: the top of the hydraulic rod (4) is provided with a fixing mechanism, the tail end of the corrugated pipe is arranged above the hydraulic rod (4) through the fixing mechanism, and the bottom of the supporting column (71) and the front hook-mounted end (61) are both arranged to be cambered surfaces.