Compressor connecting rod with high wear resistance and high temperature resistance

By installing an alloy steel protective component made of iron and carbon materials on the compressor connecting rod, the problem of connecting rod damage due to friction and high temperature is solved, achieving wear resistance and high temperature resistance, improving the service life of the connecting rod and the operational stability of the compressor.

CN223964769UActive Publication Date: 2026-03-03NINGBO CHI YANG POWDER METALLURGY CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-23
Publication Date
2026-03-03

Smart Images

  • Figure CN223964769U_ABST
    Figure CN223964769U_ABST
Patent Text Reader

Abstract

The utility model discloses a high-wear-resistance and high-temperature-resistance compressor connecting rod, belongs to the technical field of compressor connecting rods, is used for achieving the high-wear-resistance and high-temperature-resistance effects of the compressor connecting rod and comprises a connecting rod body, and the connecting rod body comprises a connecting rod large end and a connecting rod small end; the connecting rod small end is arranged on the right side of the connecting rod body, and a first protection assembly is installed on the upper surface of the connecting rod body. The upper protective shell, the upper large head sleeve shell, the upper small head sleeve shell, the lower protective shell, the lower large head sleeve shell and the lower small head sleeve shell are arranged at the upper ends and the lower ends of the connecting rod body, the connecting rod large head and the connecting rod small head in a sleeving mode, and the first protective assembly and the second protective assembly are alloy steel made of iron and carbon materials. The alloy steel has excellent properties such as high strength, wear resistance, corrosion resistance and high temperature resistance, so that the connecting rod body, the connecting rod big end and the connecting rod small end are subjected to wear resistance and high temperature resistance, and the connecting rod body is prevented from being worn or damaged due to high temperature in the operation process.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This application relates to the field of compressor connecting rod technology, and in particular to high wear-resistant and high-temperature-resistant compressor connecting rods. Background Technology

[0002] Currently, the compressor connecting rod is the core transmission component of reciprocating compressors (such as piston compressors and swashplate compressors), responsible for converting the rotational motion of the crankshaft into the reciprocating linear motion of the piston, while transmitting the mechanical force generated during gas compression.

[0003] However, existing compressor connecting rods have the following defects: for example, the compressor connecting rod is easily damaged during use due to friction or high temperature, which will affect the operating efficiency of the compressor. Summary of the Invention

[0004] The purpose of this application is to achieve high wear resistance and high temperature resistance of the compressor connecting rod, so as to prevent the compressor connecting rod from being worn or damaged due to high temperature during use, thus affecting the operating efficiency of the compressor.

[0005] To achieve the above objectives, the technical solution adopted in this application is as follows: a high wear-resistant and high-temperature resistant compressor connecting rod, comprising a connecting rod body, wherein the connecting rod body includes a connecting rod big end and a connecting rod small end, the connecting rod big end is located on the left side of the connecting rod body, the connecting rod small end is located on the right side of the connecting rod body, a protective component one is installed on the upper surface of the connecting rod body, and a protective component two is installed on the lower surface of the connecting rod body, wherein the protective component one includes an upper protective shell, an upper big end shell, and an upper small end shell, all of which are made of alloy steel made of iron and carbon materials; the protective component two includes a lower protective shell, a lower big end shell, and a lower small end shell, all of which are made of alloy steel made of iron and carbon materials.

[0006] More preferably, the upper protective shell is slidably connected to the upper end of the outer wall of the connecting rod body, the big end of the connecting rod, and the small end of the connecting rod, and the lower protective shell is slidably connected to the lower end of the outer wall of the connecting rod body, the big end of the connecting rod, and the small end of the connecting rod.

[0007] In a further preferred embodiment, the upper large end sleeve is fitted onto the upper end of the outer wall of the connecting rod large end, and the upper small end sleeve is fitted onto the upper end of the outer wall of the connecting rod small end.

[0008] In a further preferred embodiment, the lower large end sleeve is fitted onto the lower end of the outer wall of the connecting rod large end, and the lower small end sleeve is fitted onto the lower end of the outer wall of the connecting rod small end.

[0009] Further preferably, the upper protective shell, the upper large-end shell, and the upper small-end shell are fixedly connected by bolts and nuts, and the lower protective shell, the lower large-end shell, and the lower small-end shell are fixedly connected by bolts and nuts.

[0010] Further preferably, a flow groove is provided inside the connecting rod body, and the two ends of the flow groove pass through the interior of the big end and the small end of the connecting rod.

[0011] Preferably, a sealing plug is slidably connected inside the flow channel, and the sealing plug is disposed inside the upper protective shell and the lower protective shell.

[0012] In a further preferred embodiment, a rod is fixedly connected to the lower surface of the upper protective shell, a slot is provided inside the lower protective shell, the rod is slidably connected inside the slot, and a bolt is threaded inside the lower protective shell and passes through the rod.

[0013] Compared with the prior art, the beneficial effects of this application are as follows:

[0014] (1) By installing an upper protective shell, an upper large end shell, an upper small end shell, a lower protective shell, a lower large end shell, and a lower small end shell on the upper and lower ends of the connecting rod body, the connecting rod big end, and the connecting rod small end, the upper and lower protective shells protect the connecting rod body, the upper and lower large end shells protect the connecting rod big end, and the upper and lower small end shells protect the connecting rod small end. Moreover, both protective components one and protective components two are made of alloy steel made of iron and carbon materials. Alloy steel has excellent properties such as high strength, wear resistance, corrosion resistance, and high temperature resistance, thereby providing wear resistance and high temperature resistance to the connecting rod body, the connecting rod big end, and the connecting rod small end, preventing the connecting rod body from being worn or damaged due to high temperature during operation.

[0015] (2) The lower protective shell is clamped on the lower part of the outer wall of the connecting rod body, the upper protective shell is clamped on the upper part of the outer wall of the connecting rod body, and the insert rod is clamped inside the slot. The lower protective shell is connected by bolt thread and the bolt passes through the insert rod. The upper and lower protective shells are limited and fixed and clamped on the outer wall of the connecting rod body. The upper large end sleeve and the upper small end sleeve are clamped on the upper half of the outer wall of the connecting rod large end and the connecting rod small end respectively. The lower large end sleeve and the lower small end sleeve are clamped on the lower half of the outer wall of the connecting rod large end and the connecting rod small end respectively. The upper large end sleeve and the upper small end sleeve are fixedly connected to the upper protective shell by bolts. The lower large end sleeve and the lower small end sleeve are fixedly connected to the lower protective shell by bolts. This achieves the effect of easy disassembly and assembly of protective component one and protective component two, which is convenient for subsequent replacement. Attached Figure Description

[0016] Figure 1 This is an overall structural diagram of the connecting rod of the high wear-resistant and high-temperature-resistant compressor;

[0017] Figure 2 This is an exploded view of the connecting rod of the high wear-resistant and high-temperature-resistant compressor.

[0018] Figure 3 This is a cross-sectional view of the connecting rod body of the high wear-resistant and high-temperature-resistant compressor connecting rod;

[0019] Figure 4 This is a structural diagram of the protective assembly for the connecting rod of the high wear-resistant and high-temperature compressor.

[0020] In the diagram: 1. Connecting rod body; 101. Connecting rod big end; 102. Connecting rod small end; 103. Flow groove; 104. Sealing plug; 2. Protective component one; 201. Upper protective shell; 202. Upper big end shell; 203. Upper small end shell; 204. Insert rod; 3. Protective component two; 301. Lower protective shell; 302. Lower big end shell; 303. Lower small end shell; 304. Slot. Detailed Implementation

[0021] The present application will be further described below with reference to specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0022] In the description of this application, it should be noted that the directional terms such as "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", and "counterclockwise" indicate the orientation and positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. They should not be construed as limiting the specific protection scope of this application.

[0023] It should be noted that the terms "first," "second," etc., in the specification and claims of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence.

[0024] The terms “comprising” and “having”, and any variations thereof, in the specification and claims of this application are intended to cover non-exclusive inclusion, for example, a process, method, system, product, or device that includes a series of steps or units is not necessarily limited to those steps or units that are explicitly listed, but may include other steps or units that are not explicitly listed or that are inherent to such process, method, product, or device.

[0025] like Figure 1-4The high wear-resistant and high-temperature resistant compressor connecting rod shown includes a connecting rod body 1, which includes a connecting rod big end 101 and a connecting rod small end 102. The connecting rod big end 101 is located on the left side of the connecting rod body 1, and the connecting rod small end 102 is located on the right side of the connecting rod body 1. A protective component 1 2 is installed on the upper surface of the connecting rod body 1, which protects the upper half of the connecting rod body 1, the connecting rod big end 101, and the connecting rod small end 102. A protective component 2 3 is installed on the lower surface of the connecting rod body 1, which protects the lower half of the connecting rod body 1, the connecting rod big end 101, and the connecting rod small end 102. The protective component 1 2 includes an upper protective shell 201, an upper big end cover 202, and... The upper small end cover 203, upper protective cover 201, upper large end cover 202, and upper small end cover 203 are all made of alloy steel made of iron and carbon materials; the protective component 2 3 includes a lower protective cover 301, a lower large end cover 302, and a lower small end cover 303. The lower protective cover 301, lower large end cover 302, and lower small end cover 303 are all made of alloy steel made of iron and carbon materials. Alloy steel has excellent properties such as high strength, wear resistance, corrosion resistance, and high temperature resistance, which realizes the wear resistance and high temperature resistance of the connecting rod body 1, the connecting rod large end 101, and the connecting rod small end 102, and prevents the connecting rod body 1, the connecting rod large end 101, and the connecting rod small end 102 from being damaged due to wear or high temperature during use;

[0026] The upper protective shell 201 is slidably connected to the upper end of the outer wall of the connecting rod body 1, the large end 101, and the small end 102, protecting the upper half of the connecting rod body 1, the large end 101, and the small end 102. The lower protective shell 301 is slidably connected to the lower end of the outer wall of the connecting rod body 1, the large end 101, and the small end 102, protecting the lower half of the connecting rod body 1, the large end 101, and the small end 102. The upper large end sleeve 202 is fitted onto the large end 101. At the upper end of the outer wall, the upper small-end sleeve 203 is fitted onto the upper end of the outer wall of the connecting rod small end 102, the lower large-end sleeve 302 is fitted onto the lower end of the outer wall of the connecting rod large end 101, and the lower small-end sleeve 303 is fitted onto the lower end of the outer wall of the connecting rod small end 102. The upper protective shell 201, the upper large-end sleeve 202, and the upper small-end sleeve 203 are fixedly connected by bolts and nuts, and the lower protective shell 301, the lower large-end sleeve 302, and the lower small-end sleeve 303 are also fixedly connected by bolts and nuts. A flow groove 103 is provided inside the connecting rod body 1. The flow groove 103 extends through the interiors of the connecting rod big end 101 and the connecting rod small end 102 at both ends. The flow groove 103 facilitates the addition of lubricating oil, which can flow through the flow groove 103 within the connecting rod body 1, the connecting rod big end 101, and the connecting rod small end 102, and can also flow to the outer walls of protective components 1 and 2, providing lubrication for protective components 1 and 2 during use. A sealing plug 104 is slidably connected inside the flow groove 103, and the sealing plug 104 is located on the upper protective shell 20. Inside the upper protective shell 201 and the lower protective shell 301, a rod 204 is fixedly connected to the lower surface of the upper protective shell 201. A slot 304 is provided inside the lower protective shell 301. The rod 204 is slidably connected inside the slot 304. A bolt is threaded inside the lower protective shell 301 and passes through the rod 204. The rod 204 is limited and locked inside the slot 304. The lower protective shell 301 is connected by a bolt thread and the bolt passes through the rod 204, thus limiting and fixing the upper protective shell 201 and the lower protective shell 301.

[0027] Working principle: In use, first remove the sealing plug 104, add lubricating oil to the inside of the connecting rod body 1, the big end 101, and the small end 102 through the flow groove 103 to make the big end 101 lie flat, then insert the sealing plug 104 back in, and then lock the lower protective shell 301 into the lower end of the outer wall of the connecting rod body 1, the big end 101, and the small end 102. Align the insertion rod 204 at the bottom of the upper protective shell 201 with the slot 30 inside the lower protective shell 301. 4. Insert the rod into the lower protective shell 301 and then connect it to the lower protective shell 301 with a bolt threaded through the rod 204, thereby limiting and fixing the rod 204. This limits and fixes the upper protective shell 201 and the lower protective shell 301 to the outer wall of the connecting rod body 1, the connecting rod big end 101, and the connecting rod small end 102. Then, the upper big end sleeve 202 is clipped onto the upper part of the outer wall of the connecting rod big end 101, the upper small end sleeve 203 is clipped onto the upper part of the outer wall of the connecting rod small end 102, and the lower big end sleeve... 302 is clipped onto the lower part of the outer wall of the connecting rod big end 101, and the lower small end sleeve 303 is clipped onto the lower part of the outer wall of the connecting rod small end 102. The upper protective shell 201, the upper big end sleeve 202, and the upper small end sleeve 203 are fixedly connected by bolts and nuts. Similarly, the lower protective shell 301, the lower big end sleeve 302, and the lower small end sleeve 303 are fixed by bolts and nuts, thus realizing the installation between the connecting rod body 1, the connecting rod big end 101, and the connecting rod small end 102 and the protective component one 2 and the protective component two 3. Since the protective component one 2 and the protective component two 3 are both made of alloy steel of iron and carbon materials, and alloy steel has excellent properties such as high strength, wear resistance, corrosion resistance, and high temperature resistance, it can protect the connecting rod body 1, the connecting rod big end 101, and the connecting rod small end 102, preventing damage to the connecting rod body 1, the connecting rod big end 101, and the connecting rod small end 102 due to friction or high temperature during use, thereby improving the service life of the connecting rod body 1 and ensuring the stability of the compressor operation.

[0028] The basic principles, main features, and advantages of this application have been described above. Those skilled in the art should understand that this application is not limited to the above embodiments. The embodiments and descriptions in the specification are merely the principles of this application. Various changes and modifications can be made to this application without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection claimed by this application is defined by the appended claims and their equivalents.

Claims

1. A high wear and high temperature resistant compressor connecting rod comprising a connecting rod body (1) characterized in that: The connecting rod body (1) includes a connecting rod big end (101) and a connecting rod small end (102), the connecting rod big end (101) is arranged on the left side of the connecting rod body (1), the connecting rod small end (102) is arranged on the right side of the connecting rod body (1), the upper surface of the connecting rod body (1) is provided with a protection assembly one (2), the lower surface of the connecting rod body (1) is provided with a protection assembly two (3), the protection assembly one (2) includes an upper protection shell (201), an upper big end sleeve shell (202) and an upper small end sleeve shell (203), the upper protection shell (201), the upper big end sleeve shell (202) and the upper small end sleeve shell (203) are all made of alloy steel made of iron and carbon materials; the protection assembly two (3) includes a lower protection shell (301), a lower big end sleeve shell (302) and a lower small end sleeve shell (303), the lower protection shell (301), the lower big end sleeve shell (302) and the lower small end sleeve shell (303) are all made of alloy steel made of iron and carbon materials.

2. The high wear and high temperature compressor connecting rod of claim 1, wherein: The upper protection shell (201) is slidingly connected to the outer wall upper end of the connecting rod body (1), the connecting rod big end (101) and the connecting rod small end (102), the lower protection shell (301) is slidingly connected to the outer wall lower end of the connecting rod body (1), the connecting rod big end (101) and the connecting rod small end (102).

3. The high wear and high temperature compressor connecting rod of claim 1, wherein: The upper big end sleeve shell (202) is sleeved on the outer wall upper end of the connecting rod big end (101), and the upper small end sleeve shell (203) is sleeved on the outer wall upper end of the connecting rod small end (102).

4. The high wear and high temperature compressor connecting rod of claim 1 wherein: The lower big end sleeve shell (302) is sleeved on the outer wall lower end of the connecting rod big end (101), and the lower small end sleeve shell (303) is sleeved on the outer wall lower end of the connecting rod small end (102).

5. The high wear and high temperature compressor connecting rod of claim 1 wherein: The upper protection shell (201), the upper big end sleeve shell (202) and the upper small end sleeve shell (203) are fixedly connected through bolts and nuts, and the lower protection shell (301), the lower big end sleeve shell (302) and the lower small end sleeve shell (303) are fixedly connected through bolts and nuts.

6. The high wear and high temperature compressor connecting rod of claim 1 wherein: The connecting rod body (1) is internally provided with a flow-through groove (103), and the flow-through groove (103) penetrates the interiors of the connecting rod big end (101) and the connecting rod small end (102) at both ends.

7. The high wear and high temperature compressor connecting rod of claim 6, wherein: The flow-through groove (103) is slidingly connected with a sealing plug (104) arranged in the interiors of the upper protection shell (201) and the lower protection shell (301).

8. The high wear and high temperature compressor connecting rod of claim 1 wherein: The lower surface of the upper protection shell (201) is fixedly connected with a plug rod (204), the interior of the lower protection shell (301) is provided with a plug groove (304), the plug rod (204) is slidingly connected in the interior of the plug groove (304), and the interior of the lower protection shell (301) is threadedly connected with a bolt penetratingly arranged in the interior of the plug rod (204).