CN215908056U

CN215908056U - Oil-free screw compressor

Info

Publication number: CN215908056U
Application number: CN202122430357.1U
Authority: CN
Inventors: 钱称心; 刘凤华; 钱称意
Original assignee: Kesuo Compressor Shanghai Co ltd
Current assignee: Kesuo Compressor Shanghai Co ltd
Priority date: 2021-10-09
Filing date: 2021-10-09
Publication date: 2022-02-25
Anticipated expiration: 2031-10-09

Abstract

The utility model provides an oil-free screw compressor, and relates to the field of application of oil-free screw compressors. This oil-free screw compressor, including the compressor body, compressor body bottom one side fixedly connected with outlet duct, the spherical case of outlet duct bottom fixedly connected with, spherical incasement portion is provided with changes the ball, change ball one side and seted up T shape control flume, the equal fixedly connected with air duct in spherical case both sides. This oil-free screw compressor makes the T shape control flume that changes the ball and offers rotatory, establishes the intercommunication of the air duct of the lantern ring with the cover, makes air duct and outlet duct intercommunication, collects gas, and another air duct is in encapsulated situation, and the staff can change the storage container who has filled with gas from the ground, through the cooperation of two air ducts and T shape control flumes, makes and need not make compressor body stop work when changing storage container bottom compressor body, reduces the waste of resource.

Description

Oil-free screw compressor

Technical Field

The utility model relates to a compressor, in particular to an oil-free screw compressor, and belongs to the technical field of application of oil-free screw compressors.

Background

The screw compressor is a device for processing gas, compresses the air to be processed, collects the compressed air, facilitates transportation, improves the efficiency of moving and transporting some special gases, reduces the transportation cost of the gases, is widely applied to the fields of medical treatment, metal processing, scientific experiments, daily life and the like, and develops various derived types due to entering various fields of social production.

Conventional screw compressor work needs to use fluid to lubricate, there is the compressed gas medium and lubricating oil not to react or lubricating oil sneak into the processing prerequisite that can be by fine separation again in the medium, in order to solve conventional screw compressor's not enough, oil-free screw compressor takes place at the right moment, in oil-free screw compressor use, when needs change gas storage container, need make oil-free screw compressor stop work or give up the gas that partly compressed out, just can change storage container, cause certain wasting of resources, be unfavorable for giving play to oil-free screw compressor's work efficiency.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The present invention is directed to solve the above problems, and an object of the present invention is to provide an oil-free screw compressor, so as to solve the problem that when a gas storage container needs to be replaced, the storage container needs to be replaced only by stopping the oil-free screw compressor or discarding a part of the compressed gas, which results in a waste of resources.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides an oil-free screw compressor, includes the compressor body, compressor body bottom one side fixedly connected with outlet duct, the spherical case of outlet duct bottom fixedly connected with, spherical incasement portion is provided with changes the ball, change ball one side and seted up T shape control flume, the equal fixedly connected with air duct in spherical case both sides, one of them the air duct outside cover is equipped with the lantern ring, lantern ring one side is provided with the rack, change ball bottom fixedly connected with gas storage control pipe, gas storage control pipe one side bottom fixedly connected with torsional spring, gas storage control pipe opposite side is provided with the cross axle, the cross axle outside all overlaps with the gas storage control pipe outside and is equipped with bevel gear, cross axle outside cover is equipped with drive gear.

Preferably, one side fixedly connected with intake pipe, two of outlet duct is kept away from at the intake pipe top the air duct one end all extends to spherical incasement portion, T shape control tank top extends into inside the outlet duct, T shape control tank bottom extends into inside the air storage control tank, air storage control tank bottom runs through spherical case and rotates with spherical case to be connected, T shape control tank one side extends to inside an air duct, and is rotatory at spherical incasement portion through changeing the ball, makes T shape control tank and different air ducts communicate, does not influence the work of compressor body when guaranteeing the air duct bottom and changing storage container.

Preferably, two air duct cross sectional shape all sets up to the L shape, the air duct bottom is provided with two screwed pipes, two fixedly connected with hose between the screwed pipe, the air duct bottom extend to the screwed pipe inside and with screwed pipe threaded connection, the lantern ring sets up in a screwed pipe top, through two screwed pipes of hose connection, makes two screwed pipes can carry out the switching-over of freedom, reduces air duct and storage container complex restrictive condition.

Preferably, a protection box is arranged at the bottom of the spherical box, two sides of the top of the protection box are fixedly connected with the two air guide pipes respectively, the air storage control pipe, the transverse shaft, the bevel gear, the transmission gear and the rack are arranged inside the protection box, the bottom of the air storage control pipe is rotatably connected with the protection box through a bearing, two ends of the transverse shaft are rotatably connected with the protection box through bearings, and the protection box protects parts such as the air storage control pipe, the bevel gear and the transverse shaft and ensures the safety and stability of the work of the parts such as the air storage control pipe, the bevel gear and the transverse shaft.

Preferably, the rack is meshed with the transmission gear, the two bevel gears are meshed with each other, an installation shaft is fixedly connected inside the torsion spring and fixedly connected to the bottom of an inner cavity of the protective box, a transmission rod is fixedly connected between the lantern ring and the rack, a side groove is formed in one side of the protective box, one end of the transmission rod penetrates through the side groove and extends into the protective box, the lantern ring and the rack are connected through the transmission rod, the movement track of the lantern ring and the rack is limited by the side groove formed in the protective box, and the movement stability of the rack is guaranteed.

Preferably, one bevel gear fixing sleeve is arranged on the outer side of the gas storage control pipe, the other bevel gear sleeve is arranged on the outer side of the cross shaft, a magnet ring is arranged between the inner part of the bevel gear and the cross shaft, the magnet ring is fixedly arranged on the outer side of the cross shaft in a sleeved mode, the outer side of the magnet ring is attracted with the bevel gear, and the bevel gear is arranged through the magnet ring, so that the bevel gear stops transmission when needed, and the gas storage control pipe does not rotate any more.

Preferably, one side of the protection box, which is far away from the lantern ring, is in threaded connection with an operation screw, the cross-sectional shape of the operation screw is set to be T-shaped, one end of the operation screw is arranged inside the protection box, one end of the operation screw is fixedly connected with a semi-annular elastic plate, the semi-annular elastic plate is arranged on one side of the gas storage control pipe, when the operation screw is rotated to enable the operation screw to push the semi-annular elastic plate to move, the free rotation of the gas storage control pipe is limited, and the flexibility of the control of the gas storage control pipe on the T-shaped control groove is ensured.

The utility model provides an oil-free screw compressor, which has the following beneficial effects:

1. this oil-free screw compressor, the effort that the lantern ring that removes produced passes through the rack, drive gear, the transmission conversion back of cross axle and bevel gear, the T shape control tank that the messenger changes the ball and offers is rotatory, the intercommunication of the air duct of the lantern ring has been established with the cover, make air duct and outlet duct intercommunication, collect gas, another air duct is in encapsulated situation, the staff can change the gaseous reservoir with filling in from the ground, cooperation through two air ducts and T shape control tank, the messenger need not make compressor body stop work when compressor body bottom changes reservoir, reduce the waste of resource.

2. This oil-free screw compressor can carry out the biography certainly in the cross axle outside through the bevel gear of magnet ring installation, makes the transmission relation disconnection between the lantern ring and the gas storage control tube, guarantees the flexibility of gas storage control tube work, and the staff can decide whether to use parts such as air duct, commentaries on classics ball, T shape control flume, the lantern ring, gas storage control tube as required, guarantees the flexibility of air duct work.

Drawings

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

FIG. 2 is a partial cross-sectional view of the present invention;

FIG. 3 is a schematic structural view of the mounting shaft of the present invention;

fig. 4 is a schematic structural view of the rack of the present invention.

In the figure: 1. a compressor body; 2. an air inlet pipe; 3. an air outlet pipe; 4. a spherical box; 5. rotating the ball; 6. a T-shaped control slot; 7. an air duct; 8. a threaded pipe; 9. a hose; 10. a collar; 11. a transmission rod; 12. a rack; 13. a protection box; 14. a side groove; 15. a gas storage control pipe; 16. a bevel gear; 17. a horizontal axis; 18. a transmission gear; 19. a magnet ring; 20. a torsion spring; 21. the screw is operated.

Detailed Description

The embodiment of the utility model provides an oil-free screw compressor.

Referring to fig. 1, 2, 3 and 4, the compressor comprises a compressor body 1, an air outlet pipe 3 is fixedly connected to one side of the bottom of the compressor body 1, an air inlet pipe 2 is fixedly connected to one side of the top of the air inlet pipe 2, which is far away from the air outlet pipe 3, a spherical tank 4 is fixedly connected to the bottom of the air outlet pipe 3, a rotary ball 5 is arranged inside the spherical tank 4, a T-shaped control groove 6 is arranged on one side of the rotary ball 5, air guide pipes 7 are fixedly connected to two sides of the spherical tank 4, one ends of the two air guide pipes 7 extend into the spherical tank 4, a lantern ring 10 is sleeved outside one air guide pipe 7, the cross-sectional shapes of the two air guide pipes 7 are set to be L-shaped, two threaded pipes 8 are arranged at the bottom of the air guide pipe 7, a hose 9 is fixedly connected between the two threaded pipes 8, the bottom of the air guide pipe 7 extends into the threaded pipe 8 and is in threaded connection with the threaded pipe 8, the lantern ring 10 is arranged at the top of one threaded pipe 8, the lantern ring 10 one side is provided with

rack

12, 5 bottom fixedly connected with gas storage control tube 15 of commentaries on classics ball, 6 tops of T shape control tank extend into 3 insides of outlet duct, 6 bottoms of T shape control tank extend into 15 insides of gas storage control tube, 15 bottoms of gas storage control tube run through spherical case 4 and rotate with spherical case 4 and be connected, 6 one sides of T shape control tank extend to 7 insides of a gas duct, 15 one side bottom fixedly connected with torsional spring 20 of gas storage control tube, 15 opposite sides of gas storage control tube are provided with

cross axle

17, 17 outside of cross axle 17 all overlap with the gas storage control tube 15 outside and are equipped with

bevel gear

16, 17 outside of cross axle overlaps and is equipped with drive gear 18.

Specifically, the bottom of an air outlet pipe 3 arranged at the bottom of a compressor body 1 is fixedly connected with a spherical box 4, the bottom of a rotating ball 5 arranged in the spherical box 4 is fixedly connected with an air storage control pipe 15, when the air storage control pipe 15 rotates, the rotating ball 5 can rotate in the spherical box 4, a T-shaped control groove 6 formed in the rotating ball 5 rotates to align with different air guide pipes 7, the air outlet pipe 3 is communicated with different air guide pipes 7, a transverse shaft 17 is arranged on one side of the air storage control pipe 15, bevel gears 16 are sleeved on the transverse shaft 17 and the outer sides of the air storage control pipe 15, the air storage control pipe 15 and the transverse shaft 17 form a transmission relationship through the two bevel gears 16, a transmission gear 18 sleeved on the transverse shaft 17 is meshed with a rack 12, and the rack 12 is fixedly connected with a lantern ring 10 sleeved on the outer side of one air guide pipe 7;

when a storage container is required to be installed at the bottom of the lantern ring 10, the threaded pipe 8 arranged at the bottom of the lantern ring 10 is rotated to enable the threaded pipe 8 to rotate and move outside the air guide pipe 7, the lantern ring 10 can be pushed to move outside the air guide pipe 7, after the acting force generated by the moved lantern ring 10 is converted through the transmission of the rack 12, the transmission gear 18, the transverse shaft 17 and the bevel gear 16, the air storage control pipe 15 can drive the rotating ball 5 to rotate, the T-shaped control groove 6 formed in the rotating ball 5 rotates to be communicated with the air guide pipe 7 sleeved with the lantern ring 10, the air guide pipe 7 is communicated with the air outlet pipe 3 to collect air, the other air guide pipe 7 is in a sealed state, and a worker can replace the storage container filled with air from beginning to end;

after 8 rotations of screwed pipe and the air duct 7 of lantern ring 10 bottom break away from fixedly, lose spacing gas storage control pipe 15 and rotated by the fixed torsional spring 20 pulling in one side, make behind the T shape control flume 6 rotation with another air duct 7 intercommunication, through the cooperation of two air ducts 7 and T shape control flumes 6, make and need not make compressor body 1 stop work when changing storage container in compressor body 1 bottom, reduce the waste of resource, guarantee the efficiency of compressor body 1 work.

Referring to fig. 2 and 4 again, the protection box 13 is disposed at the bottom of the spherical box 4, two sides of the top of the protection box 13 are fixedly connected with the two air ducts 7, the air storage control tube 15, the horizontal shaft 17, the bevel gears 16, the transmission gear 18 and the rack 12 are disposed inside the protection box 13, the bottom of the air storage control tube 15 is rotatably connected with the protection box 13 through a bearing, two ends of the horizontal shaft 17 are rotatably connected with the protection box 13 through a bearing, the rack 12 is meshed with the transmission gear 18, the two bevel gears 16 are meshed with each other, the torsion spring 20 is fixedly connected with an installation shaft, the installation shaft is fixedly connected to the bottom of an inner cavity of the protection box 13, the transmission rod 11 is fixedly connected between the lantern ring 10 and the rack 12, a side groove 14 is formed in one side of the protection box 13, and one end of the transmission rod 11 extends into the protection box 13 through the side groove 14.

Specifically, the protection box 13 protects the parts such as the gas storage control tube 15, the bevel gear 16, the transverse shaft 17, the transmission gear 18 and the torsion spring 20, reduces the influence of external impurities on the operation of the gas storage control tube 15, ensures the service life of the parts such as the gas storage control tube 15, the bevel gear 16, the transverse shaft 17, the transmission gear 18 and the torsion spring 20, improves the transmission efficiency of the parts such as the gas storage control tube 15, the bevel gear 16, the transverse shaft 17, the transmission gear 18 and the torsion spring 20, and enables the lantern ring 10 to efficiently drive the gas storage control tube 15 to rotate when moving.

Referring to fig. 2 and 3 again, one bevel gear 16 is fixedly sleeved on the outer side of the gas storage control pipe 15, the other bevel gear 16 is sleeved on the outer side of the cross shaft 17, a magnet ring 19 is arranged between the inside of the bevel gear 16 and the cross shaft 17, the magnet ring 19 is fixedly sleeved on the outer side of the cross shaft 17, the outer side of the magnet ring 19 is attracted to the bevel gear 16, an operation screw 21 is connected to one side of the protection box 13 away from the lantern ring 10 in a threaded manner, the cross section of the operation screw 21 is T-shaped, one end of the operation screw 21 is arranged inside the protection box 13, one end of the operation screw 21 is fixedly connected to a semi-annular elastic plate, and the semi-annular elastic plate is arranged on one side of the gas storage control pipe 15.

Specifically, when necessary, the operation screw 21 connected with the thread on one side of the protection box 13 is rotated, so that the operation screw 21 moves to limit the air storage control tube 15, and one bevel gear 16 is sleeved on the outer side of the transverse shaft 17 through the magnet ring 19, when the air storage control tube 15 is limited to move, the bevel gear 16 installed through the magnet ring 19 can transmit on the outer side of the transverse shaft 17, so that the transmission relationship between the lantern ring 10 and the air storage control tube 15 is disconnected, the flexibility of the operation of the air storage control tube 15 is ensured, and a worker can determine whether to use the air guide tube 7, the rotary ball 5, the T-shaped control groove 6, the lantern ring 10, the air storage control tube 15 and other parts according to needs, and the flexibility of the operation of the air guide tube 7 is ensured.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. An oil-free screw compressor, includes compressor body (1), its characterized in that: an air outlet pipe (3) is fixedly connected with one side of the bottom of the compressor body (1), a spherical box (4) is fixedly connected with the bottom of the air outlet pipe (3), a rotating ball (5) is arranged in the spherical box (4), a T-shaped control groove (6) is arranged at one side of the rotating ball (5), air guide pipes (7) are fixedly connected at both sides of the spherical box (4), a lantern ring (10) is sleeved on the outer side of one of the air guide tubes (7), a rack (12) is arranged on one side of the lantern ring (10), the bottom of the rotary ball (5) is fixedly connected with a gas storage control tube (15), the bottom of one side of the gas storage control tube (15) is fixedly connected with a torsion spring (20), the other side of the gas storage control pipe (15) is provided with a transverse shaft (17), bevel gears (16) are sleeved on the outer sides of the transverse shaft (17) and the gas storage control pipe (15), and a transmission gear (18) is sleeved on the outer side of the transverse shaft (17).

2. An oil-free screw compressor as claimed in claim 1, wherein: compressor body (1) top is kept away from one side fixedly connected with intake pipe (2) of outlet duct (3), two air duct (7) one end all extends to spherical case (4) inside, T shape control tank (6) top extends into outlet duct (3) inside, T shape control tank (6) bottom extends into inside gas storage control pipe (15), gas storage control pipe (15) bottom runs through spherical case (4) and rotates with spherical case (4) and is connected, T shape control tank (6) one side extends to an air duct (7) inside.

3. An oil-free screw compressor as claimed in claim 1, wherein: two air duct (7) cross sectional shape all sets up to the L shape, air duct (7) bottom is provided with two screwed pipe (8), two fixedly connected with hose (9) between screwed pipe (8), air duct (7) bottom extend to screwed pipe (8) inside and with screwed pipe (8) threaded connection, lantern ring (10) set up in a screwed pipe (8) top.

4. An oil-free screw compressor as claimed in claim 1, wherein: the improved gas storage device is characterized in that a protection box (13) is arranged at the bottom of the spherical box (4), two sides of the top of the protection box (13) are fixedly connected with the two gas guide pipes (7) respectively, the gas storage control pipe (15), the cross shaft (17), the bevel gear (16), the transmission gear (18) and the rack (12) are arranged inside the protection box (13), the bottom of the gas storage control pipe (15) is rotatably connected with the protection box (13) through a bearing, and two ends of the cross shaft (17) are rotatably connected with the protection box (13) through a bearing.

5. An oil-free screw compressor as claimed in claim 1, wherein: the rack (12) is meshed with the transmission gear (18), the bevel gears (16) are meshed with each other, an installation shaft is fixedly connected inside the torsion spring (20), the installation shaft is fixedly connected to the bottom of the inner cavity of the protection box (13), a transmission rod (11) is fixedly connected between the lantern ring (10) and the rack (12), a side groove (14) is formed in one side of the protection box (13), and one end of the transmission rod (11) penetrates through the side groove (14) and extends into the protection box (13).

6. An oil-free screw compressor as claimed in claim 1, wherein: one bevel gear (16) is fixedly sleeved on the outer side of the gas storage control pipe (15), the other bevel gear (16) is sleeved on the outer side of the transverse shaft (17), a magnet ring (19) is arranged between the inner part of the bevel gear (16) and the transverse shaft (17), the magnet ring (19) is fixedly sleeved on the outer side of the transverse shaft (17), and the outer side of the magnet ring (19) is attracted with the bevel gear (16).

7. An oil-free screw compressor as claimed in claim 4, wherein: one side threaded connection that the lantern ring (10) was kept away from in guard box (13) has operation screw rod (21), operation screw rod (21) cross sectional shape sets up to the T shape, operation screw rod (21) one end sets up inside guard box (13), operation screw rod (21) one end fixedly connected with semicircular elastic plate, semicircular elastic plate sets up in gas storage control pipe (15) one side.