CN212130707U

CN212130707U - Staged compression device for compressor

Info

Publication number: CN212130707U
Application number: CN202020358458.5U
Authority: CN
Inventors: 匡吉
Original assignee: Individual
Current assignee: Mckays Energy Equipment Co ltd
Priority date: 2020-03-20
Filing date: 2020-03-20
Publication date: 2020-12-11
Anticipated expiration: 2030-03-20

Abstract

The utility model discloses a compressor is with hierarchical compression device, which comprises a housin, the inside both sides of casing are all fixed and are provided with the cavity, the inside activity block of cavity is provided with the piston, the fixed slide bar that is provided with between the cavity, the inboard middle part of casing is through the fixed motor that is provided with of mount pad, the output axle head of motor passes through the fixed half-gear that is provided with of shaft coupling, the slider is established to slide bar outside surface movable sleeve, the fixed frame that is provided with between the slider, the inside upper end of fixed frame is all fixed with the lower extreme and is provided with the rack, intermeshing between wheel and the rack, the piston is close to fixed frame's one side fixed connecting rod that is provided with, fixed connection between the one end. The utility model discloses excellent in use effect drives the rack through the semi-gear and removes to can make the motor rotate and to carry out the compression of twice air, its work efficiency is higher.

Description

Staged compression device for compressor

Technical Field

The utility model relates to a compressor technical field specifically is a hierarchical compression device for compressor.

Background

A compressor is a driven fluid machine that raises low-pressure gas into high-pressure gas, and is a heart of a refrigeration system. The high-pressure low-temperature refrigerant gas is sucked from the air suction pipe, the piston is driven by the operation of the motor to compress the low-temperature low-pressure refrigerant gas, and the high-temperature high-pressure refrigerant gas is discharged to the exhaust pipe to provide power for the refrigeration cycle, so that the high-pressure low-temperature low-pressure refrigerant gas is one of common devices in real life.

Thereby realizing a refrigeration cycle of compression → condensation (heat release) → expansion → evaporation (heat absorption). The compressors are classified into piston compressors, screw compressors, centrifugal compressors, linear compressors, and the like.

However, when the piston compressor used at present drives the piston to compress gas through the eccentric wheel, the working efficiency is low, the motor only can do work once when rotating for one circle, and the using effect is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a compressor is with hierarchical compressor arrangement to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a staged compression device for a compressor comprises a shell, wherein cavities are fixedly arranged on two sides in the shell, pistons are movably clamped in the cavities, slide rods are fixedly arranged between the cavities, a motor is fixedly arranged in the middle of the inner side of the shell through an installation seat, a half gear is fixedly arranged at the output shaft end of the motor through a coupler, sliders are movably sleeved on the outer surfaces of the slide rods, a fixed frame is fixedly arranged between the sliders, racks are fixedly arranged at the upper end and the lower end in the fixed frame, the gears and the racks are mutually engaged, a connecting rod is fixedly arranged on one side of the piston close to the fixed frame, one end of the connecting rod far away from the piston is fixedly connected with the fixed frame, an air inlet pipe is fixedly arranged at the lower end of one side of the cavity far away from the fixed frame, a first one-way valve is fixedly, the cavity is provided with an air outlet pipe in a fixed mode at the upper end of one side far away from the fixed frame, and a second one-way valve is fixedly arranged between the air outlet pipe and the cavity.

Preferably, a pressure valve is fixedly arranged at the upper end of the air outlet pipe, and high-pressure gas can be automatically discharged after the air pressure in the air outlet pipe reaches a certain degree through the pressure valve.

Preferably, one end of the air outlet pipe, which is far away from the cavity, is fixedly provided with a connecting flange, and the air outlet pipe can be conveniently connected with an external pipeline through the connecting flange.

Preferably, the two sides of the surface of the shell are both movably provided with a box door through hinges, and structural parts inside the shell can be conveniently overhauled by opening the box door through the hinges.

Preferably, the outer side surface of the box door is fixedly provided with a visible window, and the condition inside the shell can be conveniently observed through the visible window under the condition that the box door is not opened.

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

1. the utility model discloses a motor drives the semi-gear and rotates, if the semi-gear rotates clockwise, the semi-gear can be in advance the rack toothing contact of the inside lower extreme of fixed frame, can drive fixed frame immediately and move left along the slide bar, cavity inside piston moves left about driving respectively, and along with the semi-gear continues to rotate clockwise, the semi-gear can contact with the upper end rack immediately, it moves right to drive fixed frame immediately, cavity inside piston moves right about so can driving, so the motor rotates round acting both sides work efficiency higher.

2. The utility model discloses a work efficiency that half gear and rack improve the device, its cost is lower, the production of being convenient for to device simple structure is convenient for maintain.

Drawings

Fig. 1 is a schematic view of the overall structure of a staged compression device for a compressor according to the present invention;

fig. 2 is an enlarged view of a portion a of fig. 1 of a staged compression device for a compressor according to the present invention;

fig. 3 is an enlarged view of the stage compression device of fig. 1 of the present invention;

fig. 4 is a front view of the staged compression device for a compressor of the present invention.

In the figure: 1. a housing; 2. a cavity; 3. a piston; 4. a slide bar; 5. an electric motor; 6. a half gear; 7. a slider; 8. a fixed frame; 9. a rack; 10. a connecting rod; 11. an air inlet pipe; 12. a first check valve; 13. an air outlet pipe; 14. a second one-way valve; 15. a pressure valve; 16. a connecting flange; 17. a box door; 18. a visual window.

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. 1-4, the present invention provides a technical solution: a staged compression device for a compressor comprises a shell 1, wherein cavities 2 are fixedly arranged on two sides inside the shell 1, a piston 3 is movably clamped inside the cavities 2, a sliding rod 4 is fixedly arranged between the cavities 2, a motor 5 is fixedly arranged in the middle of the inner side of the shell 1 through an installation seat, a half gear 6 is fixedly arranged at the output shaft end of the motor 5 through a coupler, sliding blocks 7 are movably sleeved on the outer side surface of each sliding rod 4, a fixed frame 8 is fixedly arranged between the sliding blocks 7, racks 9 are fixedly arranged at the upper end and the lower end inside the fixed frame 8, the gears and the racks 9 are mutually meshed, a connecting rod 10 is fixedly arranged on one side of the piston 3 close to the fixed frame 8, one end of the connecting rod 10 far away from the piston 3 is fixedly connected with the fixed frame 8, and an air inlet pipe 11 is fixedly arranged at the lower end of one side of, a first one-way valve 12 is fixedly arranged between the air inlet pipe 11 and the cavity 2, an air outlet pipe 13 is fixedly arranged at the upper end of one side of the cavity 2, which is far away from the fixed frame 8, and a second one-way valve 14 is fixedly arranged between the air outlet pipe 13 and the cavity 2.

The fixed pressure valve 15 that is provided with in outlet duct 13 upper end, can reach automatic discharge high-pressure gas after the certain degree at the inside atmospheric pressure of outlet duct 13 through pressure valve 15, the fixed flange 16 that is provided with of one end of cavity 2 is kept away from to outlet duct 13, can make things convenient for the external pipeline of outlet duct 13 through

flange

16, 1 surperficial both sides of casing all are provided with chamber door 17 through the hinge activity, open chamber door 17 through the hinge and can conveniently overhaul the inside structural part of casing 1, chamber door 17 outside fixed surface is provided with visual window 18, can conveniently observe the inside condition of casing 1 under the condition of not opening chamber door 17 through visual window 18.

The working principle is as follows: when the device is used, a pipeline is externally connected with an air outlet pipe 13 and an air inlet pipe 11, then the motor 5 can be opened to drive the half gear 6 to rotate through the motor 5, if the half gear 6 rotates clockwise, the half gear 6 can be in meshing contact with a rack 9 at the lower end inside the fixed frame 8, the fixed frame 8 can be immediately driven to move leftwards along the sliding rod 4, when the fixed frame 8 moves leftwards, the piston 3 at the left side can be driven through the connecting rod 10 to extrude gas inside the cavity 2 at the left side, so that the gas enters the air outlet pipe 13 through the second one-way valve 14, meanwhile, when the fixed frame 8 moves leftwards, the piston 3 at the right side can also be driven through the connecting rod 10 to suck the gas inside the cavity 2 at the right side, when the gas is sucked, the gas enters the cavity 2 through the air inlet pipe 11 and the first one-way valve 12, drive fixed frame 8 and move right immediately, so can drive left piston 3 and inhale gas in left cavity 2 is inside, drive the piston 3 on right side and extrude gas in 2 insides of cavity on right side, so drive half gear 6 along with motor 5 and rotate the round and can drive each extrusion gas of left and right sides cavity 2 once, accomplish twice acting, its work efficiency is higher, this is exactly the utility model relates to a hierarchical compression device's for compressor theory of operation.

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.

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. A staged compression device for a compressor, comprising a housing (1), characterized in that: the cavity (2) is fixedly arranged on two sides in the shell (1), the piston (3) is movably clamped in the cavity (2), sliding rods (4) are fixedly arranged between the cavities (2), the motor (5) is fixedly arranged in the middle of the inner side of the shell (1) through a mounting seat, a half gear (6) is fixedly arranged at the output shaft end of the motor (5) through a shaft coupling, sliding blocks (7) are movably sleeved on the outer side surface of each sliding rod (4), fixed frames (8) are fixedly arranged between the sliding blocks (7), racks (9) are fixedly arranged at the upper end and the lower end in the fixed frames (8), the gears and the racks (9) are mutually meshed, a connecting rod (10) is fixedly arranged on one side, close to the fixed frames (8), of the piston (3), and one end, far away from the piston (3), of the connecting rod (10) is fixedly connected with the fixed frames (8, the fixed intake pipe (11) that is provided with of one side lower extreme that fixed frame (8) was kept away from in cavity (2), fixed first check valve (12) that is provided with between intake pipe (11) and cavity (2), fixed outlet duct (13) that is provided with in one side upper end that fixed frame (8) were kept away from in cavity (2), fixed second check valve (14) that is provided with between outlet duct (13) and cavity (2).

2. The staged compression device for a compressor as claimed in claim 1, wherein: and a pressure valve (15) is fixedly arranged at the upper end of the air outlet pipe (13).

3. The staged compression device for a compressor as claimed in claim 1, wherein: and a connecting flange (16) is fixedly arranged at one end of the air outlet pipe (13) far away from the cavity (2).

4. The staged compression device for a compressor as claimed in claim 1, wherein: and the two sides of the surface of the shell (1) are both movably provided with a box door (17) through hinges.

5. The staged compression device for a compressor as claimed in claim 4, wherein: and a visible window (18) is fixedly arranged on the outer side surface of the box door (17).