CN201794759U

CN201794759U - Compressor cylinder

Info

Publication number: CN201794759U
Application number: CN2010205140960U
Authority: CN
Inventors: 施炜; 臧杰
Original assignee: ENVIC (BENGBU) COMPRESSOR Co Ltd
Current assignee: ENVIC (BENGBU) COMPRESSOR Co Ltd
Priority date: 2010-08-30
Filing date: 2010-08-30
Publication date: 2011-04-13
Anticipated expiration: 2020-08-30

Abstract

The utility model relates to a compressor cylinder, which comprises a body (2). A cylinder chamber (22) is formed in the body; an air inlet chamber (26) and an exhaust chamber (23) are formed in the body (2) on the periphery of the cylinder chamber (22); and one end of the air inlet chamber (26) is provided with an air inlet valve chamber (25) which is communicated with the cylinder chamber (22). The compressor cylinder is characterized in that: the other end of the air inlet chamber (26) is provided with an exhaust passage (21) which is communicated with the cylinder chamber (22). The compressor cylinder has the advantages that: the traditional compressor cylinder structure that the air inlet chamber is communicated with one end of the cylinder chamber is changed into the structure that the air inlet chamber is communicated with two ends of the cylinder chamber, so a little amount of leaking air on the upper part of the cylinder chamber returns to the air inlet chamber to avoid the defects of cylinder temperature rise, upper pressure increment of the cylinder chamber, driving power increment, energy waste, piston rod pull increment, crosshead damage and the like caused by air leakage and prolong the service life of a compressor.

Description

A kind of compresser cylinder

Technical field

The utility model relates to compresser cylinder, especially a kind of mesohigh, big discharge capacity compresser cylinder in the form of piston of being used for.

Background technique

In the cylinder of piston compressor, reciprocating piston is installed, the valve of control inlet and outlet is housed on the cylinder, when piston reciprocates, be compressed the just variation of generating period of gas volume, so as to realizing inspiration, compression and the discharge of gas.To be suction chamber communicate with cylinder chamber one end traditional compresser cylinder, because piston element can not be accomplished to seal fully, so there is small leak on cylinder chamber top, and gas leakage can cause following serious harm: temperature cylinder raises, cylinder chamber's upper pressure increases, cause driving power to strengthen, cause energy waste on the one hand, can cause the piston rod pulling force to increase on the other hand, even can pull the first-class parts of cross, cause the compressor can't proper functioning, bring certain danger for the compressor safe operation, simultaneously, increase the easily damaged parts number, improved customer using cost.

The model utility content

The purpose of this utility model is exactly to cause the flimsy defective of compressor for there is a small amount of gas on the top that overcomes existing cylinder chamber, and a kind of compresser cylinder is provided.

The technological scheme that its technical problem that solves the utility model adopts is:

A kind of compresser cylinder, comprise cylinder body, be provided with cylinder chamber in the body, in the body of cylinder chamber's periphery, be provided with suction chamber and exhaust chamber, suction chamber one end is provided with the air inlet valve chamber and communicates with cylinder chamber, it is characterized in that: be provided with the exhaust valve chamber at the other end of suction chamber and communicate with cylinder chamber.

By with cylinder chamber top and suction chamber perforate, compressor air cylinder structure communicated with cylinder chamber one end by traditional suction chamber make suction chamber into and communicate with cylinder chamber two ends, so just make the gas that in gas compression processes, leaks inlet plenum top come back to suction chamber, enter the inhalation cycle of following one-period, changing " extremely " gas is " work " gas, the a series of harm that can avoid cylinder chamber's gas leakage to cause prolong the working life of whole compressor.

On the basis of above-mentioned main technical schemes, can increase following further perfect technological scheme:

Described exhaust passage is arranged on the inwall between cylinder chamber and suction chamber, and the position, exhaust passage should be in the contact range of cylinder wall and piston ring.

Described exhaust passage is rectangular-shaped exhaust passage on the orthographic projection direction.

Be provided with cylinder liner in the described cylinder, on the corresponding cylinder liner in exhaust passage, be provided with through hole.

The beneficial effects of the utility model are compressor air cylinder structure to be communicated with cylinder chamber one end by traditional suction chamber make suction chamber into and communicate with cylinder chamber two ends, make cylinder chamber top have small leak and come back to suction chamber, temperature cylinder rising, cylinder chamber's upper pressure increase, driving power increasing, energy waste, the piston rod pulling force of having avoided gas leakage to cause increase, pull the first-class defective of cross, the working life of having improved compressor.

Below in conjunction with drawings and Examples the utility model is further specified.

Description of drawings:

Fig. 1 is embodiment of the present utility model;

Fig. 2 is a plan view of the present utility model;

Fig. 3 is the half sectional view of Fig. 2 of the present utility model.

Embodiment

As shown in Figure 2, a kind of compresser cylinder of the utility model, comprise the cylinder body 2 that forms by casting, be provided with the cylinder chamber 22 of a perforation in the body 2, in the body of cylinder chamber's 22 peripheries, be arranged with suction chamber 26 and exhaust chamber 23, suction chamber 26 1 ends are provided with air inlet valve chamber 25 and communicate with cylinder chamber 22, being provided with exhaust passage 21 at the other end of suction chamber 26 communicates with cylinder chamber 22, described exhaust passage 21 is arranged on the inwall of 26 of cylinder chamber 22 and suction chambers, as shown in Figure 3, exhaust passage 21 is rectangular-shaped exhaust passage on the orthographic projection direction, air inlet valve chamber 25 corresponding exhaust chamber 23 1 ends are provided with exhaust valve chamber 24 and communicate with cylinder chamber 22, be provided with cylinder liner 9 in the described cylinder chamber 22, on the 21 corresponding cylinder liner 9 of exhaust passage, be provided with through hole.

As shown in Figure 1, this cylinder is the two stage compressor cylinder, the piston element 7 that is provided with cylinder liner 9 and piston rod 12 ends in the cylinder chamber 22 is slidingly matched, piston rod 12 drives piston element 7 to-and-fro motion in cylinder chamber 22, with be provided with suction valve 3 successively in the air inlet valve chamber 25 that cylinder chamber 22 communicates, suction valve is pressed cover, and be fastened in the cylinder chamber by the inlet flange of fixedlying connected with body; Be provided with outlet valve 10, outlet valve pressure cover in the exhaust valve chamber 24 that communicates with cylinder chamber successively, and be fastened in the cylinder chamber by the exhaust flange of fixedlying connected with body; Piston rod axially on, cylinder one end is connected and is provided with filler assembly 11 in the cooperation place of cylinder and piston bar with the connected element 1 of fuselage and seals, and passes through three grades of connected elements 5 at the other end of cylinder and is connected with three-stage cylinder assembly 6; Two, in the three-stage cylinder parts, each grade cylinder all has identical air-breathing, processes such as compression and exhaust, gas through the one-level compression at first sucks suction chamber 26 through inlet flange 4, press cover and suction valve 3 to be sucked into cylinder chamber 22 by suction valve again, piston rod 12 moves outlet valve 10 unlatchings when making the pressure that reaches certain in the cylinder chamber 22, the gas that compressed of secondary presses cover to enter exhaust chamber 23 by outlet valve 10 and outlet valve like this, flow out from exhaust flange 8 at last and enter the next stage compression cycle, by with cylinder chamber 22 tops and suction chamber 26 perforates, compressor air cylinder structure communicated with cylinder chamber one end by traditional suction chamber make suction chamber into and communicate with cylinder chamber two ends, so just make the gas that in gas compression processes, leaks inlet plenum top come back to suction chamber, enter the inhalation cycle of following one-period, a series of harm of avoiding cylinder chamber's gas leakage to cause.

Claims

1. compresser cylinder, comprise body (2), be provided with cylinder chamber (22) in the body, in the body (2) of cylinder chamber (22) periphery, be provided with suction chamber (26) and exhaust chamber (23), suction chamber (26) one ends are provided with air inlet valve chamber (25) and communicate with cylinder chamber (22), it is characterized in that: be provided with exhaust passage (21) at the other end of suction chamber (26) and communicate with cylinder chamber (22).

2. a kind of compresser cylinder according to claim 1 is characterized in that: described exhaust passage (21) are arranged on the inwall between cylinder chamber (22) and suction chamber (26).

3. a kind of compresser cylinder according to claim 2 is characterized in that: described exhaust passage (21) are rectangular-shaped exhaust passage on the orthographic projection direction.

4. a kind of compresser cylinder according to claim 1 and 2 is characterized in that: be provided with cylinder liner (9) in the described cylinder chamber (22), be provided with through hole on the corresponding cylinder liner in exhaust passage (21) (9).