CN215521267U

CN215521267U - Roots blower with pneumatic grease adding device

Info

Publication number: CN215521267U
Application number: CN202121965075.5U
Authority: CN
Inventors: 程凤
Original assignee: Jinan Liming Fan Manufacturing Co ltd
Current assignee: Jinan Liming Fan Manufacturing Co ltd
Priority date: 2021-08-20
Filing date: 2021-08-20
Publication date: 2022-01-14
Anticipated expiration: 2031-08-20

Abstract

The utility model discloses a Roots blower with a pneumatic grease adding device, which comprises a Roots blower main body, a bearing of the Roots blower main body and a grease injection mechanism connected with the top of a joint of a rotary impeller, wherein the grease injection mechanism comprises a liquid inlet pipe fixedly connected with the Roots blower main body, the top end of the liquid inlet pipe is fixedly connected with an installation box, a first cavity and a second cavity are respectively arranged in the installation box, one side of the second cavity is fixedly connected with an injection pipe, one end of the injection pipe is in threaded connection with a cover plate, and one side of the first cavity is fixedly connected with a motor.

Description

Roots blower with pneumatic grease adding device

Technical Field

The utility model relates to the field of grease injection, in particular to a Roots blower with a pneumatic grease adding device.

Background

The roots blower is one of positive displacement blowers in which two impellers rotate relative to each other in a space sealed by a casing and a wall plate, and the amount of air delivered is proportional to the number of revolutions of the impellers. High-speed rotation takes place for the inside rotatory impeller of roots's fan body, for reducing the friction between rotatory impeller and the bearing, it lubricates to add the butter in bearing and rotatory impeller's combination department generally, prolong bearing and rotatory impeller's life, there are two kinds the mode of grease in the bearing department to rotatory impeller at present, the first one is disposable interpolation, add at the in-process of equipment promptly, the second one is the mode of similar syringe, through set up the butter adder on the bearing end cover, the manual work is pressed the butter into the bearing when needs add the butter.

In the first mode, grease can be added only by opening an end cover at a bearing, the operation is complex, and the grease can be added only by stopping a fan; the second is inconvenient to use through the mode that the manual pressure was injected, also is difficult to carry out effectual control to the butter volume that adds to we design a roots's fan with pneumatics adds butter device.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is; the injection of the existing grease injection molding mechanism is complex.

In order to solve the technical problems, the utility model adopts a technical scheme that: the Roots blower with the pneumatic grease adding device comprises a Roots blower main body, a bearing of the Roots blower main body and a grease injection mechanism connected with the top of a joint of a rotary impeller and the Roots blower main body, wherein the grease injection mechanism comprises a liquid inlet pipe fixedly connected with the Roots blower main body, the top end of the liquid inlet pipe is fixedly connected with an installation box, a first cavity and a second cavity are respectively arranged in the installation box, one side of the second cavity is fixedly connected with an injection pipe, one end of the injection pipe is in threaded connection with a cover plate, one side of the first cavity is fixedly connected with a motor, the driving end of the motor is fixedly connected with a threaded rod, one end of the threaded rod, far away from the motor, is rotatably connected with the interior of the first cavity, the middle part of the threaded rod is in threaded connection with a movable plate, and the movable plate is connected with the first cavity through a limiting mechanism;

the limiting mechanism comprises a limiting cylinder fixedly connected with the second chamber, the inner wall of the limiting cylinder is connected with a limiting rod in a sliding mode, the limiting rod is located inside the limiting cylinder and embedded with limiting beads, and one end of the limiting rod penetrates through the limiting cylinder and is fixedly connected with the movable plate.

Preferably, the Roots blower main body and the motor are electrically connected with an external power supply, the motor is fixedly connected with the first cavity through the mounting frame, and the section of the first cavity is rectangular.

Preferably, the injection tube is welded with the mounting box, the length of the injection tube is not less than three centimeters, and the section of the injection tube is circular.

Preferably, the cross section of the threaded rod is circular, the length of the threaded rod is not less than four centimeters, and the threaded rod is made of steel.

Preferably, the cross sections of the limiting cylinder, the limiting rod and the limiting bead are circular, and the limiting cylinder, the limiting rod and the limiting bead are made of stainless steel.

Preferably, the first chamber is connected with the second chamber, and the space of the first chamber is half of the space of the second chamber.

Preferably, the section of the liquid inlet pipe is circular, and the liquid inlet pipe is made of stainless steel.

Preferably, the section of the installation box is rectangular, and the installation box is made of stainless steel.

The utility model has the following beneficial effects:

1. the limiting mechanism, the movable plate, the motor and the threaded rod are arranged, so that the injection work is facilitated better, and the butter injection is facilitated better;

2. the injection tube, the cover plate and the mounting box are arranged, so that the injection tube, the cover plate and the mounting box are arranged, the Roots blower main body can be filled with oil better, and the Roots blower main body can be used better.

Drawings

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

FIG. 2 is a schematic view of a butter injection mechanism of the present invention;

FIG. 3 is a perspective view of a spacing mechanism according to the present invention;

fig. 4 is a schematic view of a limiting mechanism of the present invention.

In the figure: 1. a Roots blower main body; 2. a limiting mechanism; 3. a butter injection mechanism; 4. an injection tube; 5. a cover plate; 6. a first chamber; 7. a second chamber; 8. a liquid inlet pipe; 9. a threaded rod; 10. a motor; 11. a movable plate; 12. installing a box; 201. a limiting cylinder; 202. a limiting rod; 203. and (4) limiting beads.

Detailed Description

The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the utility model easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the utility model.

Referring to fig. 1-2, a roots blower with a pneumatic grease adding device comprises a roots blower body 1, a bearing and a grease injection mechanism 3 connected with the top of a joint of a rotary impeller and the bearing, the grease injection mechanism 3 comprises a liquid inlet pipe 8 fixedly connected with the roots blower body 1, the top end of the liquid inlet pipe 8 is fixedly connected with an installation box 12, a first chamber 6 and a second chamber 7 are respectively arranged in the installation box 12, an injection pipe 4 is fixedly connected with one side of the second chamber 7, one end of the injection pipe 4 is in threaded connection with a cover plate 5, one side of the first chamber 6 is fixedly connected with a motor 10, a driving end of the motor 10 is fixedly connected with a threaded rod 9, one end of the threaded rod 9 far away from the motor 10 is rotatably connected with the inside of the first chamber 6, the middle part of the threaded rod 9 is in threaded connection with a movable plate 11, the movable plate 11 is connected with the first chamber 6 through a limiting mechanism 2, the roots blower body 1, The motor 10 is electrically connected with an external power supply, the motor 10 is fixedly connected with the first cavity 6 through the mounting frame, and the section of the first cavity 6 is rectangular. The injection tube 4 is welded with the installation box 12, the length of the injection tube 4 is not less than three centimeters, and the section of the injection tube 4 is circular. The first chamber 6 is connected with the second chamber 7, and the space of the first chamber 6 is half of the space of the second chamber 7. The section of the liquid inlet pipe 8 is circular, and the liquid inlet pipe 8 is made of stainless steel. The section of the installation box 12 is rectangular, and the installation box 12 is made of stainless steel. The section of the threaded rod 9 is circular, the length of the threaded rod 9 is not less than four centimeters, and the threaded rod 9 is made of steel. The cross sections of the limiting cylinder 201, the limiting rod 202 and the limiting bead 203 are all circular, and the limiting cylinder 201, the limiting rod 202 and the limiting bead 203 are all made of stainless steel.

As shown in fig. 2-4, the limiting mechanism 2 includes a limiting cylinder 201 fixedly connected to the second chamber 7, a limiting rod 202 is slidably connected to an inner wall of the limiting cylinder 201, the limiting rod 202 is located inside the limiting cylinder 201 and embedded with a limiting bead 203, and one end of the limiting rod 202 penetrates through the limiting cylinder 201 and is fixedly connected to the movable plate 11.

When the Roots blower is used, butter is introduced into the second chamber 7 through the injection tube 4, the cover plate 5 is in threaded connection with the injection tube 4, the motor 10 drives the threaded rod 9 to rotate, the threaded rod 9 drives the movable plate 11 to translate under the limiting effect of the limiting mechanism 2, and the movable plate 11 extrudes air in the first chamber 6 and extrudes the butter in the second chamber 7 into the Roots blower body 1.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a roots's fan with pneumatics grease device that adds, includes that roots's fan main part (1) links to each other grease injection mechanism (3) rather than bearing, rotatory impeller joint top, its characterized in that: the grease injection mechanism (3) comprises a liquid inlet pipe (8) fixedly connected with the Roots blower main body (1), the top end of the liquid inlet pipe (8) is fixedly connected with an installation box (12), a first chamber (6) and a second chamber (7) are respectively arranged in the installation box (12), one side of the second chamber (7) is fixedly connected with an injection tube (4), one end of the injection tube (4) is connected with a cover plate (5) in a threaded manner, one side of the first chamber (6) is fixedly connected with a motor (10), a driving end of the motor (10) is fixedly connected with a threaded rod (9), one end of the threaded rod (9) far away from the motor (10) is rotatably connected with the inside of the first chamber (6), the middle part of the threaded rod (9) is in threaded connection with a movable plate (11), and the movable plate (11) is connected with the first cavity (6) through a limiting mechanism (2);

limiting mechanism (2) include with second cavity (7) fixed connection's a spacing section of thick bamboo (201), a spacing section of thick bamboo (201) inner wall sliding connection has gag lever post (202), gag lever post (202) are located that spacing section of thick bamboo (201) is inside to be inlayed and have spacing pearl (203), gag lever post (202) one end run through a spacing section of thick bamboo (201) and with fly leaf (11) fixed connection.

2. A roots blower with pneumatic butter adding device as set forth in claim 1, wherein: the Roots blower is characterized in that the Roots blower body (1) and the motor (10) are electrically connected with an external power supply, and the motor (10) is fixedly connected with the first cavity (6) through a mounting frame.

3. A roots blower with pneumatic butter adding device as set forth in claim 1, wherein: the injection tube (4) is welded with the mounting box (12), and the length of the injection tube (4) is not less than three centimeters.

4. A roots blower with pneumatic butter adding device as set forth in claim 1, wherein: the cross section of the threaded rod (9) is circular, and the length of the threaded rod (9) is not less than four centimeters.

5. A roots blower with pneumatic butter adding device as set forth in claim 1, wherein: the cross sections of the limiting cylinder (201), the limiting rod (202) and the limiting bead (203) are circular.

6. A roots blower with pneumatic butter adding device as set forth in claim 1, wherein: the first chamber (6) is connected to the second chamber (7).

7. A roots blower with pneumatic butter adding device as set forth in claim 1, wherein: the section of the liquid inlet pipe (8) is circular.

8. A roots blower with pneumatic butter adding device as set forth in claim 1, wherein: the section of the installation box (12) is rectangular.