CN212407031U

CN212407031U - Dry-type oil-free screw compressor

Info

Publication number: CN212407031U
Application number: CN202020326066.0U
Authority: CN
Inventors: 邹兴亮
Original assignee: Ziqi Compressor Shanghai Co ltd
Current assignee: Ziqi Compressor Shanghai Co ltd
Priority date: 2020-03-16
Filing date: 2020-03-16
Publication date: 2021-01-26
Anticipated expiration: 2030-03-16

Abstract

The utility model discloses a dry-type does not have oily screw compressor, including the compressor body, the right-hand member of compressor body is provided with the air inlet, the fixed welding of right-hand member of compressor body has the baffle, and the baffle shelters from the outside at the air inlet, the cavity has been seted up to the upper end of baffle, the net frame has been placed to the inside of cavity, install the filter screen in the net frame, the right-hand member fixed mounting of baffle has the motor. The utility model discloses a set up the cavity and place the screen frame, only need with the screen frame insert in the left slot of cavity can, the installation is simple and convenient, and easily the filter screen dismantles the change, in addition through setting up bull stick and brush hair, when the bull stick rotates, brush hair on the bull stick can carry out the brush of scraping that lasts to the surface of filter screen, not only can be with gluing under the impurity brush of filter screen surface, can also scrape out the impurity that blocks up piling up in the filter screen filtration pore, can guarantee the air permeability of filter screen through this mode, and increase the life cycle of filter screen.

Description

Dry-type oil-free screw compressor

Technical Field

The utility model relates to a compressor technical field specifically is a dry-type does not have oily screw compressor.

Background

The compressor, it is a driven fluid machinery that promotes the low-pressure gas into the high-pressure gas, it is the heart of the refrigerating system, it sucks the refrigerant gas of low-temperature low-pressure from the suction pipe, after driving the piston to compress it through the operation of the electrical machinery, discharge the refrigerant gas of high-temperature high-pressure to the blast pipe, provide the power for refrigerating cycle, and the filter mechanism that the current dry-type does not have the air inlet of the screw compressor to set up is comparatively simple, along with the long-time operation of the machine, can be stained with more impurity on the filter screen, the impurity is too much can influence the air admission efficiency, and the current filter screen basically all adopts the bolt to install, it is comparatively troublesome when needing to wash and change, have proposed a dry-type does not have the screw compressor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dry-type does not have oily screw compressor to the long-time operation along with the machine that proposes in solving above-mentioned background art can be infected with more impurity on the filter screen, and impurity is too much can influence the efficiency of admitting air, and present filter screen all adopts the bolt basically to install, comparatively trouble problem when needing to wash the change.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a dry-type does not have oily screw compressor, includes the compressor body, the right-hand member of compressor body is provided with the air inlet, the fixed welding of right-hand member of compressor body has the baffle, and the baffle shelters from the outside at the air inlet, the cavity has been seted up to the upper end of baffle, the net frame has been placed to the inside of cavity, install the filter screen in the net frame, the right-hand member fixed mounting of baffle has the motor, the transmission shaft is transversely installed through the bearing to the right-hand member of baffle inside, and the right-hand member of transmission shaft and the output fixed connection of motor, the connector is installed through telescopic machanism to the left end of transmission shaft, and the upper and lower both ends symmetric welding of connector has the bull stick, and the.

Preferably, the outer wall of baffle has evenly seted up the bleeder vent, the lower extreme of baffle sets up to semi-circular, the screen frame sets up to circular, the left side upper end of cavity is seted up the diameter and is equaled the slot of screen frame, the screen frame inserts from the opening part of slot, the inner wall of screen frame sets up to arc.

Preferably, telescopic machanism includes the loop bar, square groove has been seted up to the right-hand member of loop bar, the left end of transmission shaft inserts in the loop bar from the opening part of recess, the left end diameter of transmission shaft equals with the internal diameter of recess, transversely be provided with the spring in the loop bar, and the right-hand member of spring and the left end fixed connection of transmission shaft.

Preferably, the left end of connector sets up to the hemisphere, the central point of filter screen puts fixed mounting and has a fixed block, and the right-hand member of fixed block has seted up the spacing groove, the spacing groove is the hemisphere, the internal diameter of spacing groove is greater than the left end diameter of connector and equals.

Preferably, the right side of the lower end of the compressor body is provided with a placing groove, an opening of the placing groove is inserted with an ash collecting disc, the upper end of the ash collecting disc is provided with an ash collecting groove, an opening of the upper end of the ash collecting groove is aligned with the lower end of the net frame, and the right end of the ash collecting disc is fixedly provided with a handle.

Compared with the prior art, the beneficial effects of the utility model are that: in addition, by arranging the rotating rod and the brush hair, when the rotating rod rotates, the brush hair on the rotating rod can continuously scrape and brush the surface of the filter screen, so that not only can the impurities stuck on the surface of the filter screen be brushed, but also the impurities blocked and accumulated in filter holes of the filter screen can be scraped out, the ventilation property of the filter screen can be ensured by the mode, and the service cycle of the filter screen is prolonged;

in addition, through setting up telescopic machanism, make the connector to support the fixed block at the spacing inslot all the time, the brush hair on the knowledge bull stick can laminate the surface of filter screen all the time, and when the transmission shaft drives the spring and rotates, because spring and the non-fixed connection of transmission shaft, so can produce a certain amount and rock, the spring can give the fixed block through the connector transmission with should rocking, thereby make the fixed block can drive the filter screen through this rocking and take place the shake, thereby make impurity on the filter screen can fall down through the shake fast, be provided with at the lower extreme of baffle simultaneously and connect the ash tray, connect the ash tray can accept the impurity that falls from the filter screen in the below of cavity, thereby make impurity can pile up in connecing the ash tray, will connect the ash tray to take out to carry out impurity.

Description of the drawings:

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

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

FIG. 2 is a schematic side view of the structure of the present invention;

FIG. 3 is a schematic side view of the structure of the present invention;

FIG. 4 is an enlarged schematic view of the structure A in FIG. 1 according to the present invention;

fig. 5 is an enlarged schematic view of the structure B in fig. 1 according to the present invention.

In the figure: 1. a compressor body; 2. an air inlet; 3. a baffle plate; 4. a cavity; 5. a screen frame; 6. filtering with a screen; 7. a motor; 8. a drive shaft; 9. a loop bar; 10. a spring; 11. a connector; 12. a rotating rod; 13. brushing; 14. a fixed block; 15. a limiting groove; 16. a placement groove; 17. an ash receiving disc; 18. a handle.

The specific implementation mode is as follows:

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. 1-5, the present invention provides an embodiment: a dry-type oil-free screw compressor comprises a compressor body 1, wherein an air inlet 2 is formed in the right end of the compressor body 1, a baffle 3 is fixedly welded at the right end of the compressor body 1, the baffle 3 is shielded outside the air inlet 2, a cavity 4 is formed in the upper end of the baffle 3, a net frame 5 is placed inside the cavity 4, a filter screen 6 is installed inside the net frame 5, a motor 7 is fixedly installed at the right end of the baffle 3, a transmission shaft 8 is transversely installed inside the right end of the baffle 3 through a bearing, the right end of the transmission shaft 8 is fixedly connected with the output end of the motor 7, a connector 11 is installed at the left end of the transmission shaft 8 through a telescopic mechanism, rotating rods 12 are symmetrically welded at the upper end and the lower end of the connector 11, bristles 13 are arranged at the left end of each rotating;

as shown in fig. 2, the outer wall of the baffle 3 is uniformly provided with air holes, the lower end of the baffle 3 is semicircular, the screen frame 5 is circular, the upper end of the left side of the cavity 4 is provided with a slot with the diameter equal to that of the screen frame 5, the screen frame 5 is inserted from the opening of the slot, and the inner wall of the screen frame 5 is arc-shaped, so that external air can enter the cavity 4 from the air holes and enter the air inlet 2 through the filter screen 6, the slot in the cavity 4 can limit the screen frame 5, the screen frame 5 is fixed in the cavity 4 and cannot be deviated, and when the filter screen 6 needs to be replaced or cleaned, the screen frame 5 only needs to be pulled upwards, and the operation is simple and convenient;

referring to fig. 1 and 4, the telescopic mechanism includes a loop bar 9, a square groove is formed at the right end of the loop bar 9, the left end of the transmission shaft 8 is inserted into the loop bar 9 from the opening of the groove, the diameter of the left end of the transmission shaft 8 is equal to the inner diameter of the groove, a spring 10 is transversely arranged in the loop bar 9, and the right end of the spring 10 is fixedly connected with the left end of the transmission shaft 8, the structure enables the motor 7 to drive the transmission shaft 8 to rotate when in operation, the transmission shaft 8 can apply torque to the loop bar 9 in the square groove of the loop bar 9 through the square structure at the left end of the transmission shaft 8, so that the loop bar 9 can drive the connector 11 to rotate, the connector 11 can drive the rotating rod 12 to rotate, the rotating rod 12 can scrape and brush the surface of the filter screen 6 through the brush bristles 13 when rotating, so as to clean the surface of the filter screen 6 and impurities in the filter hole, thereby ensuring the air, the central position of the filter screen 6 is fixedly provided with a fixed block 14, the right end of the fixed block 14 is provided with a limit groove 15, the limit groove 15 is hemispherical, the inner diameter of the limit groove 15 is larger than the diameter of the left end of the connector 11 and is equal, the structure enables the connector 11 to rotate in the limit groove 15, and when the transmission shaft 8 drives the spring 10 to rotate, because the transmission shaft 8 is not fixedly connected with the spring 10, the spring 10 can generate a certain amount of axial deviation, the spring 10 can drive the connector 11 to impact the fixed block 14 when axial movement occurs, so that the fixed block 14 can drive the filter screen 6 to shake, the impurity dropping rate on the filter screen 6 is accelerated through the shake, as shown in figure 4, when the screen frame 5 is installed, the connector 11 needs to be pushed rightwards in advance, so that the connector 11 drives the loop bar 9 and the transmission shaft 8 to shrink, after the net frame 5 is installed, the fixing block 14 is aligned to the left end of the connecting head 11, the contracted spring 10 can push the loop bar 9 to reset through elastic deformation characteristics, so that the loop bar 9 drives the connecting head 11 to abut against the inner wall of the limiting groove 15, the connecting head 11 can always be attached to the inner wall of the limiting groove 15 through the thrust given by the spring 10, the bristles 13 on the rotating rod 12 can be attached to the right end surface of the filter screen 6, and the cleaning effect of the bristles 13 is guaranteed;

like fig. 1 and 3, standing groove 16 has been seted up on the lower extreme right side of compressor body 1, and standing groove 16's opening is inserted and is equipped with and connects ash tray 17, connect the upper end of ash tray 17 to set up the deposition groove, the lower extreme of screen frame 5 is aimed at to the upper end opening in deposition groove, the right-hand member fixed mounting who connects ash tray 17 has handle 18, accept the impurity of whereabouts on the filter screen 6 through connecing ash tray 17, in order to collect impurity, when needing to clear up, only need stimulate handle 18, will connect ash tray 17 through handle 18 pull out along standing groove 16 can, treat to empty the back that finishes with the impurity that connects in the ash tray 17, again insert in the standing groove 16 can, easy operation is convenient, do above the utility model discloses a whole theory of operation.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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 a dry-type does not have oily screw compressor, includes compressor body (1), its characterized in that: the compressor is characterized in that an air inlet (2) is formed in the right end of the compressor body (1), a baffle (3) is fixedly welded at the right end of the compressor body (1), the baffle (3) is shielded outside the air inlet (2), a cavity (4) is formed in the upper end of the baffle (3), a net frame (5) is placed inside the cavity (4), a filter screen (6) is installed inside the net frame (5), a motor (7) is fixedly installed at the right end of the baffle (3), a transmission shaft (8) is transversely installed inside the right end of the baffle (3) through a bearing, the right end of the transmission shaft (8) is fixedly connected with the output end of the motor (7), a connector (11) is installed at the left end of the transmission shaft (8) through a telescopic mechanism, rotating rods (12) are symmetrically welded at the upper end and the lower end of the connector (11), and bristles (13) are arranged at, the left end of the brush hair (13) is attached to the right end surface of the filter screen (6).

2. A dry oil-free screw compressor as claimed in claim 1, wherein: the air holes are uniformly formed in the outer wall of the baffle (3), the lower end of the baffle (3) is semicircular, the net frame (5) is circular, the upper end of the left side of the cavity (4) is provided with a slot with the diameter equal to that of the net frame (5), the net frame (5) is inserted from the opening of the slot, and the inner wall of the net frame (5) is arc-shaped.

3. A dry oil-free screw compressor as claimed in claim 1, wherein: telescopic machanism includes loop bar (9), square groove has been seted up to the right-hand member of loop bar (9), the left end of transmission shaft (8) inserts in loop bar (9) from the opening part of recess, the left end diameter of transmission shaft (8) equals with the internal diameter of recess, transversely be provided with spring (10) in loop bar (9), and the right-hand member of spring (10) and the left end fixed connection of transmission shaft (8).

4. A dry oil-free screw compressor as claimed in claim 1, wherein: the left end of connector (11) sets up to the hemisphere, the central point of filter screen (6) puts fixed mounting has fixed block (14), and the right-hand member of fixed block (14) has seted up spacing groove (15), spacing groove (15) are the hemisphere, the internal diameter of spacing groove (15) is greater than the left end diameter of connector (11) and equals.

5. A dry oil-free screw compressor as claimed in claim 1, wherein: the compressor comprises a compressor body (1) and is characterized in that a placing groove (16) is formed in the right side of the lower end of the compressor body (1), an ash collecting disc (17) is inserted into an opening of the placing groove (16), an ash collecting groove is formed in the upper end of the ash collecting disc (17), an opening in the upper end of the ash collecting groove is aligned with the lower end of a screen frame (5), and a handle (18) is fixedly mounted at the right end of the ash collecting disc (17).