CN213574600U

CN213574600U - Novel claw type vacuum pump with adjustable transmission efficiency

Info

Publication number: CN213574600U
Application number: CN202022447898.0U
Authority: CN
Inventors: 许同柱; 张会霞; 许瀚程; 邹昶方
Original assignee: Lianyungang Hengshun Industrial Technology Co ltd
Current assignee: Lianyungang Hengshun Industrial Technology Co ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-06-29
Anticipated expiration: 2030-10-29

Abstract

The utility model relates to a claw formula vacuum pump technical field just discloses a novel claw formula vacuum pump of transmission efficiency adjustable, the on-line screen storage device comprises a base, the right side fixed mounting at base top has driving motor, driving motor's the left side and the outside fixed mounting who is located the driving motor output shaft have the protection casing, the left side fixed mounting of protection casing has the pump case, the outside of pump case and the top fixed mounting who is located the base have the mount, the positive fixed mounting of pump case has the output tube, the inside movable mounting of pump case has two pivots, two the outside of pivot is movable mounting three claw formula rotor piece respectively. This novel claw formula vacuum pump of transmission efficiency adjustable through setting up claw formula rotor piece, need not dismantle the rotor when changing rotor quantity, convenient and fast when changing claw formula vacuum pump transmission efficiency, and the damage that leads to the fact the rotor is less, has improved claw formula vacuum pump's availability factor.

Description

Novel claw type vacuum pump with adjustable transmission efficiency

Technical Field

The utility model relates to a claw formula vacuum pump technical field specifically is a novel claw formula vacuum pump of transmission efficiency adjustable.

Background

The claw type vacuum pump is a variable-capacity dry vacuum pump with claw-shaped rotors, the structure of the claw type vacuum pump generally adopts a mode of connecting multi-stage rotors in series or connecting a roots rotor and the multi-stage rotors in series, the claw type vacuum pump is widely applied, and the Zhao claw-crossing pump is taken as an example to replace a steam jet pump, so that the effective energy is saved by more than 95%.

Claw formula vacuum pump provides high and steady clean vacuum environment, effectively improves the quality and the yield etc. of product, but the inside claw formula rotor of traditional claw formula vacuum pump is multistage fixed mounting, need dismantle the rotor when the rotation efficiency of rotor is adjusted to needs, if need change back again need return the rotor installation of dismantling, the process is complicated, frequent dismouting rotor will cause the damage to the rotor, so propose a novel claw formula vacuum pump of transmission efficiency adjustable and solve the above-mentioned problem that proposes.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a novel claw formula vacuum pump of transmission efficiency adjustable possesses the convenient transmission efficiency of adjusting and harms advantages such as little to the rotor, has solved the inside claw formula rotor of traditional claw formula vacuum pump and has been multistage fixed mounting, need dismantle the rotor when the rotation efficiency of rotor is adjusted to needs, if need change back again need return the rotor installation of dismantling, the process is complicated, frequent dismouting rotor will cause the problem of damage to the rotor.

(II) technical scheme

For the purpose that realizes above-mentioned convenient regulation transmission efficiency and damage little to the rotor, the utility model provides a following technical scheme: a novel claw type vacuum pump with adjustable transmission efficiency comprises a base, wherein a driving motor is fixedly mounted on the right side of the top of the base, a protective cover is fixedly mounted on the left side of the driving motor and positioned on the outer side of an output shaft of the driving motor, a pump shell is fixedly mounted on the left side of the protective cover, a fixing frame is fixedly mounted on the outer side of the pump shell and positioned on the top of the base, an output pipe is fixedly mounted on the front side of the pump shell, two rotating shafts are movably mounted in the pump shell, three claw type rotor sheets are movably mounted on the outer sides of the two rotating shafts respectively, threaded holes are formed in the left side and the right side of the front side of the pump shell, mounting holes are formed in the front side of the claw type rotor sheets, a lantern ring is fixedly mounted in the mounting holes, bolts are in threaded connection with the left side and the right side of the front face of the fixing block, and positioning holes are formed in the front face of the rotating shaft.

Preferably, the output shaft of the driving motor penetrates through the pump shell and extends to the inside of the pump shell, and the output shaft of the driving motor is in transmission connection with the two rotating shafts through a gear.

Preferably, three claw rotor pieces are equal in size, and the rotating shaft penetrates through the mounting hole and extends to the front face of each claw rotor piece.

Preferably, the lantern ring is movably mounted on the outer side of the rotating shaft, and the top end and the bottom end of the lantern ring are fixedly connected with the inner wall of the mounting hole.

Preferably, two the fixture block all laminates with the outside of pivot, the bolt runs through fixed block and fixture block in proper order and extends to the outside of pivot.

Preferably, the positioning holes are equidistantly arranged on the left side of the rotating shaft, and the bolts are in threaded connection with the positioning holes.

(III) advantageous effects

Compared with the prior art, the utility model provides a novel claw formula vacuum pump of transmission efficiency adjustable possesses following beneficial effect:

the novel claw type vacuum pump with adjustable transmission efficiency is characterized in that the claw type rotor sheets are arranged, when the pump body works, the output shaft of the driving motor drives the two rotating shafts through the gear, the rotating shafts drive the claw type rotor sheets to rotate through the lantern rings when rotating, the claw type rotor sheets can continuously suck and discharge to do work when rotating, when the transmission efficiency of the claw type vacuum pump needs to be changed, only the bolts need to be twisted to be separated from the inside of the positioning holes, so that the lantern rings can move on the outer sides of the rotating shafts, then the distance between the three claw type rotor sheets is adjusted, finally the claw type rotor sheets are positioned and fixed through twisting the bolts, the claw type rotor sheets are changed into a plurality of sheets from one sheet to form a multi-stage rotor, the rotors do not need to be disassembled when the number of the rotors is changed, the novel claw type vacuum pump is convenient and quick to change the transmission efficiency of the claw type vacuum, the use efficiency of claw formula vacuum pump has been improved.

Drawings

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

fig. 2 is a left side sectional view of the pump case of the present invention;

fig. 3 is a left side sectional view of the claw rotor plate of the present invention.

In the figure: the device comprises a base 1, a driving motor 2, a protective cover 3, a pump shell 4, a fixing frame 5, an output pipe 6, a rotating shaft 7, a claw type rotor sheet 8, a threaded hole 9, a mounting hole 10, a lantern ring 11, a fixing block 12, a clamping block 13, a bolt 14 and a positioning hole 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a novel claw vacuum pump with adjustable transmission efficiency comprises a base 1, a driving motor 2 is fixedly installed on the right side of the top of the base 1, the model of the driving motor 2 can be Y160M-4, a protective cover 3 is fixedly installed on the left side of the driving motor 2 and on the outer side of an output shaft of the driving motor 2, a pump shell 4 is fixedly installed on the left side of the protective cover 3, a fixed frame 5 is fixedly installed on the outer side of the pump shell 4 and on the top of the base 1, an output pipe 6 is fixedly installed on the front side of the pump shell 4, two rotating shafts 7 are movably installed inside the pump shell 4, the output shaft of the driving motor 2 penetrates through the pump shell 4 and extends to the inside of the pump shell 4, the output shaft of the driving motor 2 is connected with the two rotating shafts 7 through gear transmission, three claw rotor sheets 8 are movably installed on the outer, the front surface of the claw type rotor sheet 8 is provided with a mounting hole 10, the three claw type rotor sheets 8 are the same in size, a rotating shaft 7 penetrates through the mounting hole 10 and extends to the front surface of the claw type rotor sheet 8, a lantern ring 11 is fixedly mounted inside the mounting hole 10, the lantern ring 11 is movably mounted on the outer side of the rotating shaft 7, the top end and the bottom end of the lantern ring 11 are fixedly connected with the inner wall of the mounting hole 10, a fixed block 12 is fixedly mounted on the front surface of the lantern ring 11, clamping blocks 13 are fixedly mounted on the left side and the right side of the back surface of the fixed block 12, bolts 14 are in threaded connection with the left side and the right side of the front surface of the fixed block 12, the two clamping blocks 13 are in fit with the outer side of the rotating shaft 7, the bolts 14 sequentially penetrate through the fixed block 12 and the clamping blocks 13 and extend to the outer side of the rotating shaft 7, the front surface, by arranging the claw type rotor sheets 8, when the pump body works, the output shaft of the driving motor 2 drives the two rotating shafts 7 through the gear, the rotating shafts 7 drive the claw type rotor sheets 8 to rotate through the lantern rings 11 when rotating, the claw type rotor sheets 8 rotate to perform continuous suction and exhaust work, when the transmission efficiency of the claw type vacuum pump needs to be changed, only the bolts 14 need to be twisted, so that the bolts 14 are separated from the inner parts of the positioning holes 15, the lantern rings 11 can move on the outer sides of the rotating shafts 7, then the distance between the three claw type rotor sheets 8 is adjusted, finally the bolts 14 are twisted to position and fix the claw type rotor sheets 8, the claw type rotor sheets 8 are changed into a multi-sheet multi-stage rotor from one sheet, the rotors do not need to be disassembled when the number of the rotors is changed, the convenience and the rapidness are realized when the transmission efficiency of the claw type vacuum pump is changed, the damage to the rotors is, the use efficiency of claw formula vacuum pump has been improved.

When using, the pump body is in the during operation, two pivot 7 of gear drive will be passed through to driving motor 2's output shaft, pivot 7 will drive claw formula rotor piece 8 through lantern ring 11 and rotate when the pivoted, claw formula rotor piece 8 rotates and will carry out the suction and exhaust acting in succession, when needing to change claw formula vacuum pump's transmission efficiency, only need wrench movement bolt 14, make bolt 14 break away from the inside of locating hole 15, thereby let lantern ring 11 can remove in the outside of pivot 7, then adjust the distance between the three claw formula rotor pieces 8, wrench movement bolt 14 fixes a position claw formula rotor piece 8 at last.

To sum up, the novel claw type vacuum pump with adjustable transmission efficiency is characterized in that the claw type rotor sheets 8 are arranged, when the pump body works, the output shaft of the driving motor 2 drives the two rotating shafts 7 through the gear, the rotating shafts 7 drive the claw type rotor sheets 8 to rotate through the lantern rings 11 when rotating, the claw type rotor sheets 8 rotate to perform continuous suction and exhaust work, when the transmission efficiency of the claw type vacuum pump needs to be changed, only the bolts 14 need to be twisted, so that the bolts 14 are separated from the inner parts of the positioning holes 15, the lantern rings 11 can move on the outer sides of the rotating shafts 7, then the distances between the three claw type rotor sheets 8 are adjusted, finally the bolts 14 are twisted to position and fix the claw type rotor sheets 8, the claw type rotor sheets 8 are changed into a plurality of sheets to form a multi-stage rotor, the rotors do not need to be disassembled when the number of the rotors is changed, and the claw type vacuum pump is convenient and quick when the transmission efficiency is, the damage that leads to the fact the rotor is less, has improved claw vacuum pump's availability factor, has solved the inside claw rotor of traditional claw vacuum pump and be multistage fixed mounting, need dismantle the rotor when the rotation efficiency of rotor is adjusted to needs, if need change back again need return the rotor installation of dismantling, the process is complicated, and frequent dismouting rotor will cause the problem of damage to the rotor.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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

Claims

1. The utility model provides a novel claw formula vacuum pump of transmission efficiency adjustable, includes base (1), its characterized in that: the improved structure of the motor pump is characterized in that a driving motor (2) is fixedly mounted on the right side of the top of the base (1), a protective cover (3) is fixedly mounted on the left side of the driving motor (2) and located on the outer side of an output shaft of the driving motor (2), a pump shell (4) is fixedly mounted on the left side of the protective cover (3), a fixing frame (5) is fixedly mounted on the outer side of the pump shell (4) and located on the top of the base (1), an output pipe (6) is fixedly mounted on the front side of the pump shell (4), two rotating shafts (7) are movably mounted in the pump shell (4), three claw type rotor sheets (8) are movably mounted on the outer sides of the two rotating shafts (7) respectively, threaded holes (9) are formed in the left side and the right side of the front side of the pump shell (4), mounting holes (10) are formed, the front fixed mounting of the lantern ring (11) has fixed block (12), the equal fixed mounting in the left and right sides at the fixed block (12) back has fixture block (13), the equal threaded connection in the left and right sides of fixed block (12) front has bolt (14), locating hole (15) have been seted up in the front of pivot (7).

2. The novel claw vacuum pump with adjustable transmission efficiency as claimed in claim 1, is characterized in that: an output shaft of the driving motor (2) penetrates through the pump shell (4) and extends into the pump shell (4), and the output shaft of the driving motor (2) is in transmission connection with the two rotating shafts (7) through gears.

3. The novel claw vacuum pump with adjustable transmission efficiency as claimed in claim 1, is characterized in that: the three claw type rotor sheets (8) are the same in size, and the rotating shaft (7) penetrates through the mounting hole (10) and extends to the front face of the claw type rotor sheet (8).

4. The novel claw vacuum pump with adjustable transmission efficiency as claimed in claim 1, is characterized in that: the lantern ring (11) is movably mounted on the outer side of the rotating shaft (7), and the top end and the bottom end of the lantern ring (11) are fixedly connected with the inner wall of the mounting hole (10).

5. The novel claw vacuum pump with adjustable transmission efficiency as claimed in claim 1, is characterized in that: two fixture block (13) all laminate with the outside of pivot (7), bolt (14) run through fixed block (12) and fixture block (13) in proper order and extend to the outside of pivot (7).

6. The novel claw vacuum pump with adjustable transmission efficiency as claimed in claim 1, is characterized in that: the positioning holes (15) are arranged on the left side of the rotating shaft (7) at equal intervals, and the bolts (14) are in threaded connection with the positioning holes (15).