Reciprocating compressor cylinder

Abstract

The utility model discloses a reciprocating compressor cylinder which comprises a cylinder body, a first combined sealing mechanism and a second combined sealing mechanism, a valve cover is arranged on the side wall of the cylinder body, and a groove is formed in the side wall of the cylinder body. The first combined sealing mechanism comprises a sealing groove strip and a first sealing ring, the sealing groove strip is arranged between the air cylinder body and the valve cover, the first sealing ring is arranged in the sealing groove strip, and the second combined sealing mechanism comprises a check ring and a second sealing ring, the check ring is arranged in a groove in the side wall of the air cylinder body, and the second sealing ring is arranged on the inner ring of the check ring. The gap between the valve cover and the air cylinder body can be blocked through the sealing groove strip, the first sealing ring is additionally arranged in the sealing groove strip, the interior of the sealing groove strip can be further supported, the strength of the sealing groove strip is kept, and then the sealing groove strip is tightly matched with the air cylinder body and the side wall of the valve cover; the front portion of the air cylinder body is sealed through the check ring and the second sealing ring.

Description

Technical Field

[0001] The utility model relates to the technical field of cylinders, in particular to a reciprocating compressor cylinder. Background Art

[0002] At present, the compressor cylinder with a balancing section adopts the form that the balancing section is directly connected to the air outlet of the cylinder working chamber through a pipeline, and the sealing of the cylinder is very important.

[0003] The present application designs a reciprocating compressor cylinder, which can maintain the cylinder's pressure resistance for a long time through a combined sealing structure, and has good overall sealing performance. Utility Model Content

[0004] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the name of the utility model of this application to avoid blurring the purpose of this section, the abstract of the specification and the name of the utility model, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] In view of the above-mentioned problems and / or problems existing in the use of the cylinder of a reciprocating compressor, the present utility model is proposed.

[0006] Therefore, the purpose of the utility model is to provide a reciprocating compressor cylinder, in which the gap between the valve cover and the cylinder body can be sealed by a sealing groove, and a first sealing ring is added inside the sealing groove, which can further support the inside of the sealing groove and maintain the strength of the sealing groove, so that the sealing groove and the cylinder body and the valve cover side wall are closely matched, and the front of the cylinder body is sealed by a retaining ring and a second sealing ring. When installing with a connecting plate, the retaining ring and the second sealing ring can be pressed to achieve a strong sealing effect, and the pressure at the welded pipe joint and the cylinder sleeve can reach 60Mpa. The structure has high strength, a stable state, and is not easy to deform.

[0007] In order to solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

[0008] A reciprocating compressor cylinder, comprising:

[0009] A cylinder body, wherein a valve cover is disposed on a side wall of the cylinder body, and a groove is disposed on the side wall of the cylinder body;

[0010] A first combined sealing mechanism, the first combined sealing mechanism comprising a sealing groove disposed between the cylinder body and the valve cover and a first sealing ring disposed inside the sealing groove;

[0011] The second combined sealing mechanism comprises a retaining ring arranged inside the groove of the cylinder body side wall and a second sealing ring arranged inside the retaining ring.

[0012] As a preferred solution of the reciprocating compressor cylinder described in the utility model, a connecting plate is provided on the side wall of the cylinder body, and a fixing hole is provided on the side wall of the connecting plate.

[0013] As a preferred solution of the reciprocating compressor cylinder described in the utility model, a cylinder liner is provided on the side wall of the cylinder body, and the cylinder liner is communicated with the air passage of the cylinder body.

[0014] As a preferred solution of the reciprocating compressor cylinder described in the utility model, the side walls of the cylinder body are respectively provided with welded pipe joints connected with the cylinder body cylinder.

[0015] As a preferred solution of the reciprocating compressor cylinder described in the utility model, a pressure ring is provided on the inner wall of the cylinder body, and the pressure ring is located inside the air passage of the cylinder body.

[0016] Compared with the prior art, the utility model has the following beneficial effects: the cylinder of this reciprocating compressor can seal the gap between the valve cover and the cylinder body through the sealing groove, and adding a first sealing ring inside the sealing groove can further support the inside of the sealing groove and maintain the strength of the sealing groove, so that the sealing groove and the cylinder body and the side wall of the valve cover are closely matched, and the front of the cylinder body is sealed by the retaining ring and the second sealing ring. When installing with the connecting plate, the retaining ring and the second sealing ring can be pressed to play a strong sealing role, and the pressure at the welded pipe joint and the cylinder sleeve can reach 60Mpa. The structure has high strength, stable state, and is not easy to deform. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solution of the implementation of the utility model, the utility model will be described in detail below in combination with the drawings and detailed implementation. Obviously, the drawings described below are only some implementations of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0018] Figure 1 This is a schematic diagram of the overall structure of a reciprocating compressor cylinder of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of a cylinder sleeve of a reciprocating compressor cylinder of the utility model;

[0020] Figure 3It is a partial structural schematic diagram of a first combined sealing mechanism of a reciprocating compressor cylinder of the utility model;

[0021] Figure 4 The utility model is a partial structural schematic diagram of a second combined sealing mechanism of a reciprocating compressor cylinder.

[0022] 100, cylinder body; 101, connecting plate; 102, groove; 110, valve cover; 120, cylinder sleeve; 130, welding pipe joint; 140, pressure ring; 200, first combined sealing mechanism; 210, sealing groove; 220, first sealing ring; 300, second combined sealing mechanism; 310, retaining ring; 320, second sealing ring. DETAILED DESCRIPTION

[0023] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0024] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the implementation of the present invention in detail, for the sake of convenience, the cross-sectional diagram showing the device structure will not be partially enlarged at a general scale, and the schematic diagram is only an example, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0025] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0026] The utility model provides a reciprocating compressor cylinder, which blocks the airway through a valve cover, facilitates the installation of the cylinder body through a connecting plate, blocks the gap between the valve cover and the cylinder body through a sealing groove, and adds a first sealing ring inside the sealing groove, which can further support the inside of the sealing groove to maintain the strength of the sealing groove, thereby making the sealing groove and the cylinder body and the valve cover side wall closely fit, and seals the front of the cylinder body through a retaining ring and a second sealing ring. When installing with the connecting plate, the retaining ring and the second sealing ring can be pressed tightly to achieve a strong sealing effect, and the pressure at the welded pipe joint and the cylinder sleeve can reach 60Mpa, the structure has high strength, a stable state, and is not easy to deform.

[0027] Figure 1-Figure 4 The structure diagram of a reciprocating compressor cylinder of the utility model is shown. Figure 1-Figure 4 In this embodiment, a reciprocating compressor cylinder has a main body including a cylinder body 100, a first combined sealing mechanism 200 and a second combined sealing mechanism 300.

[0028] The cylinder body 100 blocks the air passage through the valve cover 110, and the cylinder body 100 is easily installed through the connecting plate 101. Specifically, the side wall of the cylinder body 100 is provided with a valve cover 110, and the side wall of the cylinder body 100 is provided with a groove 102. In this embodiment, the side wall of the cylinder body 100 is provided with a connecting plate 101, and the side wall of the connecting plate 101 is provided with a fixing hole, and the side wall of the cylinder body 100 is provided with a cylinder sleeve 120, the cylinder sleeve 120 is connected with the air passage of the cylinder body 100, the side walls of the cylinder body 100 are respectively provided with welding pipe joints 130 connected with the cylinders of the cylinder body 100, the inner wall of the cylinder body 100 is provided with a pressing ring 140, and the pressing ring 140 is located inside the air passage of the cylinder body 100, wherein the pressure at the welding pipe joint 130 and the cylinder sleeve 120 can reach 60Mpa, the structural strength is large, the state is stable, and it is not easy to deform;

[0029] The first combined sealing mechanism 200 can seal the gap between the valve cover 110 and the cylinder body 100 through the sealing groove 210, and add the first sealing ring 220 inside the sealing groove 210, which can further support the inside of the sealing groove 210 and maintain the strength of the sealing groove 210, so that the sealing groove 210 and the cylinder body 100 and the side wall of the valve cover 110 are closely matched. Specifically, the first combined sealing mechanism 200 includes the sealing groove 210 arranged between the cylinder body 100 and the valve cover 110 and the first sealing ring 220 arranged inside the sealing groove 210;

[0030] The second combined sealing mechanism 300 seals the front of the cylinder body 100 through the retaining ring 310 and the second sealing ring 320. When installed using the connecting plate 101, the retaining ring 310 and the second sealing ring 320 can be pressed tightly to achieve a strong sealing effect. Specifically, the second combined sealing mechanism 300 includes a retaining ring 310 arranged inside the side wall groove 102 of the cylinder body 100 and a second sealing ring 320 arranged on the inner ring of the retaining ring 310.

[0031] Combination Figure 1-Figure 4, a reciprocating compressor cylinder of the present embodiment has a specific use process as follows: the airway is blocked by the valve cover 110, and the cylinder body 100 is easily installed through the connecting plate 101. The gap between the valve cover 110 and the cylinder body 100 can be blocked by the sealing groove 210, and a first sealing ring 220 is added inside the sealing groove 210, which can further support the inside of the sealing groove 210 and maintain the strength of the sealing groove 210, so that the sealing groove 210 and the cylinder body 100 and the side wall of the valve cover 110 are tightly matched, and the front of the cylinder body 100 is sealed by the retaining ring 310 and the second sealing ring 320. When installing with the connecting plate 101, the retaining ring 310 and the second sealing ring 320 can be pressed tightly to play a role of strong sealing. The pressure at the welding pipe joint 130 and the cylinder sleeve 120 can reach 60Mpa, and the structure has high strength, stable state, and is not easy to deform.

[0032] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A reciprocating compressor cylinder, characterized in that: include: A cylinder body (100), wherein a side wall of the cylinder body (100) is provided with a valve cover (110), and a side wall of the cylinder body (100) is provided with a groove (102); A first combined sealing mechanism (200), the first combined sealing mechanism (200) comprising a sealing groove (210) arranged between the cylinder body (100) and the valve cover (110) and a first sealing ring (220) arranged inside the sealing groove (210); The second combined sealing mechanism (300) comprises a retaining ring (310) arranged inside the groove (102) on the side wall of the cylinder body (100) and a second sealing ring (320) arranged inside the retaining ring (310).

2. A reciprocating compressor cylinder according to claim 1, characterized in that: The side wall of the cylinder body (100) is provided with a connecting plate (101), and the side wall of the connecting plate (101) is provided with a fixing hole.

3. A reciprocating compressor cylinder according to claim 2, characterized in that: A cylinder sleeve (120) is provided on the side wall of the cylinder block (100), and the cylinder sleeve (120) is in communication with the air passage of the cylinder block (100).

4. A reciprocating compressor cylinder according to claim 3, characterized in that: The side walls of the cylinder body (100) are respectively provided with welding pipe joints (130) which are in communication with the cylinders of the cylinder body (100).

5. A reciprocating compressor cylinder according to claim 4, characterized in that: The inner wall of the cylinder body (100) is provided with a pressing ring (140), and the pressing ring (140) is located inside the air passage of the cylinder body (100).

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