CN216342791U

CN216342791U - Oil-free screw air compressor

Info

Publication number: CN216342791U
Application number: CN202122221703.5U
Authority: CN
Inventors: 沈益东
Original assignee: Jiangsu Kingsley Pharmaceutical Co ltd
Current assignee: Jiangsu Kingsley Pharmaceutical Co ltd
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2022-04-19
Anticipated expiration: 2031-09-14

Abstract

The utility model discloses an oil-free screw air compressor, relates to the technical field of air compressors, and aims to solve the problems that a large amount of heat can be generated due to friction resistance in the process of rotating a screw, the temperature can be rapidly increased due to heat accumulation on an air compressor, and the use effect can be influenced due to untimely heat release on the air compressor. The top of base is provided with the casing main part, the top of casing main part is provided with the casing lid, and the casing lid passes through bolted connection with the casing main part, one side of casing main part is provided with driving motor, the inside of casing main part is provided with positive screw rod and cloudy screw rod, and positive screw rod and cloudy screw rod meshing are connected, the inside of casing main part casing is provided with the thermal-collecting tube, and the thermal-collecting tube is snakelike setting, be provided with the water tank on the base, the top of water tank is provided with the water pump, and the water pump passes through bolted connection with the water tank, all be provided with the water pipe between water pump and water tank and the thermal-collecting tube.

Description

Oil-free screw air compressor

Technical Field

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

Background

The screw air compressor provides high-quality compressed air for various industries consistently by virtue of the advantages of high efficiency, no maintenance, high reliability and the like, and the core of the oil-free screw air compressor is an outstanding secondary compression main machine. The oil-free screw air compressor belongs to a miniature reciprocating piston compressor, a motor single shaft drives a crank rocker mechanical structure which is symmetrically distributed, a main motion pair is a piston ring, an auxiliary motion pair is an aluminum alloy cylindrical surface, and the motion pairs and the piston ring are self-lubricated without adding any lubrication.

At present, the air compression is realized to the spatial variation that relies on between the screw rod rotation to oil-free screw air compressor machine, and the frictional resistance that rotatory screw rod process exists can produce a large amount of heats, and the heat piles up and leads to the temperature to rise sharply at the air compressor machine, and the heat release on the air compressor machine can not in time influence the result of use, can not satisfy the user demand, therefore urgently needs an oil-free screw air compressor machine on the market to solve these problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an oil-free screw air compressor, which aims to solve the problems that friction resistance in the process of rotating a screw can generate a large amount of heat, the heat is accumulated on an air compressor to cause rapid temperature rise, and the heat on the air compressor is not released timely to influence the use effect in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an oil-free screw air compressor, includes the base, the top of base is provided with the casing main part, the top of casing main part sets up the housing, and the housing passes through screw connection with the casing main part, one side of casing main part is provided with driving motor, the inside of casing main part is provided with positive screw rod and cloudy screw rod, and positive screw rod and cloudy screw rod meshing are connected, the inside of casing main part casing is provided with the thermal-collecting tube, and the thermal-collecting tube is snakelike setting, be provided with the water tank on the base, the top of water tank is provided with the water pump, and the water pump passes through screw connection with the water tank, all be provided with the water pipe between water pump and the water tank and the thermal-collecting tube, and the water pipe is connected structure as an organic whole with the one end of thermal-collecting tube, the one end of water pipe extends to the inside of water tank.

Preferably, a water return pipe is arranged between the other end of the heat collecting pipe and the water tank, one end of the water return pipe is connected with the heat collecting pipe into a whole, and one end of the water return pipe extends to the inside of the water tank.

Preferably, a heat dissipation fan is arranged above the driving motor, and the heat dissipation fan is connected with the driving motor through screws.

Preferably, be provided with the heat dissipation strip on casing main part's the outer wall, and the heat dissipation strip equidistance sets up on casing main part's the outer wall, the heat dissipation strip passes through bolted connection with casing main part.

Preferably, a rotating cavity is formed in the machine shell main body, two gears are arranged in the rotating cavity, and are respectively connected with one ends of the male screw and the female screw into an integral structure in a meshed mode.

Preferably, the lower extreme of casing main part is provided with the air outlet valve flange, and sets up structure as an organic whole with the casing main part air outlet valve flange, the upper end of bonnet cover is provided with the admission valve flange, and the admission valve flange sets up structure as an organic whole with the bonnet cover, be provided with the filtration diaphragm on the admission valve flange, and filter the diaphragm and be connected structure as an organic whole with the admission valve flange.

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

1. the utility model discloses a device passes through the setting of thermal-collecting tube, water pump and wet return, and the thermal-collecting tube can absorb the heat on the casing, can pour into the thermal-collecting tube with the water extraction under the effect of water pump in, the heat absorption on the thermal-collecting tube of mobile water can shift to realize the casing cooling, can flow back the water tank in absorbing thermal water under the effect of wet return, make the water can circulate and use. The problem of the inside friction heat of air compressor machine can lead to air compressor machine temperature sharply to rise is solved.

2. The utility model discloses a device passes through radiator fan's setting, and radiator fan can accelerate the outside air flow of driving motor for driving motor's heat is dredged, can control driving motor's temperature. The problem of the driving motor high temperature work burn out easily is solved.

Drawings

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

Fig. 2 is a cross-sectional view of the present invention.

FIG. 3 is a connection diagram of the heat collecting tube and the water tank of the present invention.

In the figure: 1. a base; 2. a case main body; 3. a hood cover; 4. an air inlet valve flange; 5. an air outlet valve flange; 6. a filter membrane; 7. a first mounting bracket; 8. a drive motor; 9. a heat radiation fan; 10. a second mounting bracket; 11. a heat dissipating strip; 12. a drive shaft; 13. a mechanical seal; 14. a male screw; 15. a female screw; 16. a gear; 17. a heat collecting pipe; 18. a rotation chamber; 19. a water tank; 20. a water pump; 21. a water pipe; 22. a water return pipe; 23. and a bearing.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-3, an embodiment of the present invention is shown: an oil-free screw air compressor comprises a base 1, a casing main body 2 is arranged above the base 1, a cover 3 is arranged above the casing main body 2, the cover 3 is connected with the casing main body 2 through screws, a driving motor 8 is arranged on one side of the casing main body 2, a first mounting frame 7 and a second mounting frame 10 are respectively arranged between the driving motor 8 and the casing main body 2 as well as the base 1, a male screw 14 and a female screw 15 are arranged inside the casing main body 2, the male screw 14 and the female screw 15 are both rotatably connected with the casing main body 2, the male screw 14 is meshed with the female screw 15, a driving shaft 12 is arranged between the male screw 14 and the output end of the driving motor 8, two ends of the driving shaft 12 are respectively connected with the male screw 14 and the output end of the driving motor 8 into an integral structure, the driving motor 8 drives the male screw 14 to rotate, a heat collecting pipe 17 is arranged inside the casing of the casing main body 2, and heat collecting pipe 17 is snakelike setting, heat collecting pipe 17 can absorb the heat on casing main part 2, be provided with water tank 19 on the base 1, the top of water tank 19 is provided with water pump 20, and water pump 20 passes through the screw connection with water tank 19, all be provided with water pipe 21 between water pump 20 and water tank 19 and the heat collecting pipe 17, and water pipe 21 is connected as an organic whole structure with the one end of heat collecting pipe 17, the one end of water pipe 21 extends to the inside of water tank 19, can extract the water and pour into heat collecting pipe 17 under water pump 20's effect, the heat absorption on heat collecting pipe 17 just can be shifted to the water that flows, thereby realize the cooling of air compressor machine.

Further, a water return pipe 22 is arranged between the other end of the heat collecting pipe 17 and the water tank 19, one end of the water return pipe 22 is connected with the heat collecting pipe 17 to form an integral structure, and one end of the water return pipe 22 extends to the inside of the water tank 19. The water body absorbing heat can be returned to the water tank 19 through the water return pipe 22, so that the water body can be recycled.

Further, a heat dissipation fan 9 is arranged above the driving motor 8, and the heat dissipation fan 9 is connected with the driving motor 8 through screws. The air flow around the driving motor 8 is accelerated by the cooling fan 9, the cooling effect of the driving motor 8 is accelerated, and the temperature of the driving motor 8 is controlled.

Further, the outer wall of the casing main body 2 is provided with heat dissipation strips 11, the heat dissipation strips 11 are arranged on the outer wall of the casing main body 2 at equal intervals, and the heat dissipation strips 11 are connected with the casing main body 2 through screws. Vortex can be formed outside the air compressor through the heat dissipation strips 11, and the heat dissipation of the shell can be accelerated.

Further, a rotating cavity 18 is arranged on the machine shell main body 2, two gears 16 are arranged inside the rotating cavity 18, the two gears 16 are respectively connected with one end of the male screw 14 and one end of the female screw 15 into a whole, the two gears 16 are meshed and connected, a bearing 23 is arranged between the male screw 14 and the female screw 15 and the machine shell main body 2, and a mechanical sealing element 13 is arranged between the driving shaft 12 and the machine shell main body 2. The gear 16 can synchronously drive the female screw 15 to rotate when the male screw 14 rotates, and air compression is realized by utilizing the space change of the rotation of the male screw 14 and the female screw 15.

Further, the lower extreme of casing main part 2 is provided with air outlet valve flange 5, and air outlet valve flange 5 sets up structure as an organic whole with casing main part 2, and the upper end of cover 3 is provided with air inlet valve flange 4, and air inlet valve flange 4 sets up structure as an organic whole with cover 3, is provided with filtering diaphragm 6 on the air inlet valve flange 4, and filtering diaphragm 6 is connected structure as an organic whole with air inlet valve flange 4. The gas inlet and outlet are realized through the gas inlet valve flange 4 and the gas outlet valve flange 5, and the filter membrane 6 can play a role of filtering the gas entering.

The working principle is as follows: when the air compressor is used, air is injected from the air inlet valve flange 4, the driving motor 8 is started to drive the male screw 14 to rotate, the female screw 15 is synchronously driven to rotate along with the rotation of the male screw 14, the rotating male screw 14 and the rotating female screw 15 can compress the air, and the compressed air is discharged from the air outlet valve flange 5; the cooling fan 9 is started to accelerate the air flow around the driving motor 8, so that the driving motor 8 is prevented from being overhigh in temperature; the water pump 20 is started to pump the water into the heat collecting pipe 17, the heat collecting pipe 17 absorbs the heat generated by friction, and the flowing water absorbs the heat on the heat collecting pipe 17 and flows back to the water tank 19 through the water return pipe 22, so that the water can be recycled.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an oil-free screw air compressor, includes base (1), its characterized in that: the solar water heater is characterized in that a machine shell main body (2) is arranged above the base (1), a machine cover (3) is arranged above the machine shell main body (2), the machine cover (3) is connected with the machine shell main body (2) through screws, a driving motor (8) is arranged on one side of the machine shell main body (2), a male screw (14) and a female screw (15) are arranged inside the machine shell main body (2), the male screw (14) is meshed with the female screw (15) to be connected, a heat collecting pipe (17) is arranged inside a shell of the machine shell main body (2), the heat collecting pipe (17) is arranged in a snake shape, a water tank (19) is arranged on the base (1), a water pump (20) is arranged above the water tank (19), the water pump (20) is connected with the water tank (19) through screws, and a water pipe (21) is arranged between the water pump (20) and the water tank (19) and the heat collecting pipe (17), and the water pipe (21) is connected with one end of the heat collecting pipe (17) into an integral structure, and one end of the water pipe (21) extends to the inside of the water tank (19).

2. An oil-free screw air compressor as claimed in claim 1, wherein: be provided with wet return (22) between the other end of thermal-collecting tube (17) and water tank (19), and the one end of wet return (22) is connected structure as an organic whole with thermal-collecting tube (17), the one end of wet return (22) extends to the inside of water tank (19).

3. An oil-free screw air compressor as claimed in claim 1, wherein: a heat radiation fan (9) is arranged above the driving motor (8), and the heat radiation fan (9) is connected with the driving motor (8) through screws.

4. An oil-free screw air compressor as claimed in claim 1, wherein: be provided with heat dissipation strip (11) on the outer wall of casing main part (2), and heat dissipation strip (11) equidistance sets up on the outer wall of casing main part (2), heat dissipation strip (11) pass through the screw connection with casing main part (2).

5. An oil-free screw air compressor as claimed in claim 1, wherein: the machine shell is characterized in that a rotating cavity (18) is formed in the machine shell main body (2), two gears (16) are arranged in the rotating cavity (18), the two gears (16) are connected with one ends of the male screw (14) and the female screw (15) into a whole respectively, and the two gears (16) are meshed and connected.

6. An oil-free screw air compressor as claimed in claim 1, wherein: the lower extreme of casing main part (2) is provided with out gas valve flange (5), and goes out gas valve flange (5) and casing main part (2) and set up structure as an organic whole, the upper end of housing (3) is provided with admission valve flange (4), and admission valve flange (4) and housing (3) set up structure as an organic whole, be provided with on admission valve flange (4) and filter diaphragm (6), and filter diaphragm (6) and admission valve flange (4) are connected structure as an organic whole.