CN220748791U - Refrigerator compressor connecting rod - Google Patents
Refrigerator compressor connecting rod Download PDFInfo
- Publication number
- CN220748791U CN220748791U CN202322430617.4U CN202322430617U CN220748791U CN 220748791 U CN220748791 U CN 220748791U CN 202322430617 U CN202322430617 U CN 202322430617U CN 220748791 U CN220748791 U CN 220748791U
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- China
- Prior art keywords
- ring
- semi
- handle
- connecting handle
- connecting rod
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- 238000003466 welding Methods 0.000 claims description 4
- 238000003754 machining Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000004663 powder metallurgy Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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- Compressor (AREA)
Abstract
The utility model belongs to the field of compressor connecting rods, in particular to a refrigerator compressor connecting rod, which comprises a connecting handle; the two sides of the connecting handle are provided with protruding blocks, one end of the connecting handle is fixedly connected with a circular ring, the other end of the connecting handle is fixedly connected with a connecting lug, one side of the connecting lug is connected with a first semi-ring, the outer surface of the first semi-ring is welded with a first connecting column, one end of the first semi-ring is connected with a second semi-ring, the outer surface of the second semi-ring is welded with a second connecting column, one end of the second connecting column is connected with a fastening bolt in a threaded manner, and the inner core assembly is fixedly connected inside the connecting handle; through the inner core pole that the connecting handle inside set up, improved the bulk strength of connecting handle, improved the life of connecting handle, through preceding fixture block and the back fixture block that sets up, increased the area of contact of connecting handle and engaging lug, increased the torsional moment strength of connecting handle one end junction, improved the connection fastness of connecting handle.
Description
Technical Field
The utility model relates to the field of compressor connecting rods, in particular to a refrigerator compressor connecting rod.
Background
The connecting rod of the refrigeration compressor is generally manufactured by powder metallurgy (conventionally called as a powder metallurgy connecting rod), is one of important parts of the refrigeration compressor, and achieves the purposes of air inlet and air outlet by converting the rotary motion of a crankshaft into the reciprocating motion of a piston, thereby achieving the refrigeration effect. The general connecting rod comprises a large shank part, a small diameter part and a rod body for connecting the large shank part and the small diameter part, the small diameter part is connected with a piston, the large shank part is connected with a crank, and the large shank part, the small diameter part and the rod body are integrally in an integrated structure.
One Chinese patent with publication number of CN203412721U discloses a compressor connecting rod for a refrigerator, and the technical scheme is as follows: including the connecting rod body, the connecting rod body includes path portion, shin portion and pole portion, its characterized in that: the connecting rod body is an integral piece formed by pressing metal powder by adopting a finishing press, the thickness of the small diameter part and the large shank part is 9-11 mm, the parallelism of the small hole of the small diameter part and the large hole of the large shank part is 0.015-0.025 mm, and an oil leakage groove is integrally pressed and formed on the inner wall of the small hole. The utility model adopts the finishing press to press the metal powder, the parallelism of the two holes is 0.02mm, the cylindricity is 0.005, the tolerance of the aperture is 0.007, compared with the prior machining, the utility model avoids the subsequent complex machining process of the two holes, reduces the machining of the machining oil leakage hole by the oil leakage groove in the small hole, has simple manufacturing process, reduces the waste of materials, reduces the rejection rate of products, and reduces the manufacturing cost and improves the production efficiency.
With respect to the above and related art, the inventors believe that there are often the following drawbacks: when the compressor is used, the large shank part is fixedly connected with the rod part, so that the whole compressor connecting rod is required to be replaced when the large shank part is seriously worn, and certain waste is caused; accordingly, a refrigerator compressor connecting rod has been proposed to address the above-mentioned problems.
Disclosure of Invention
In order to solve the problem that in the prior art, because the large shank part and the rod part are fixedly connected, when the large shank part is severely worn, the whole compressor connecting rod needs to be replaced, so that certain waste is caused.
The technical scheme adopted for solving the technical problems is as follows: the utility model relates to a refrigerator compressor connecting rod, which comprises a connecting handle; the utility model discloses a connecting handle, including the handle, the lug is provided with the both sides, the one end fixedly connected with ring of handle, the other end fixedly connected with engaging lug of handle, one side of engaging lug is connected with first semi-ring, the outer surface welding of first semi-ring has first spliced pole, the one end of first semi-ring is connected with the second semi-ring, the outer surface welding of second semi-ring has the second spliced pole, the one end threaded connection of second spliced pole has fastening bolt, the inside fixedly connected with inner core subassembly of handle.
Preferably, the two groups of the protruding blocks are symmetrically arranged about the vertical center line of the connecting handle, and one group of the protruding blocks is formed by combining four triangular protrusions.
Preferably, threaded holes are formed in the first connecting column and the second connecting column, and the size of the threaded holes is matched with that of the fastening bolts.
Preferably, the inner core assembly comprises an inner core rod, one end of the inner core rod is fixedly connected with a front clamping block, and the other end of the inner core rod is fixedly connected with a rear clamping block.
Preferably, the front clamping block and the rear clamping block have the same shape, and the front clamping block and the rear clamping block are polygonal.
Preferably, a front clamping groove is formed in one side of the connecting lug, and a rear clamping groove is formed in the connecting handle.
Preferably, one end of the first semi-ring is provided with a positioning hole, one end of the second semi-ring is connected with a positioning column, and the positioning hole and the positioning column are arranged in a matching way.
The utility model has the advantages that:
1. according to the utility model, the convex blocks are arranged, when the compressor connecting rod needs to be replaced or maintained, as the lubricating oil is stored on the surface of the connecting handle, the connecting rod is small in friction force and difficult to take out, and the convex blocks arranged on the surfaces of the two sides of the connecting handle can increase the contact friction force, so that a worker can conveniently take out a part for maintenance or replacement;
2. according to the utility model, the inner core rod is arranged in the connecting handle, so that the overall strength of the connecting handle is improved, the service life of the connecting handle is prolonged, the contact area between the connecting handle and the connecting lug is increased through the front clamping block and the rear clamping block, the torque resistance strength of the connecting part at one end of the connecting handle is increased, and the connection firmness of the connecting handle is improved.
3. According to the utility model, the first semi-ring and the second semi-ring are detachably connected, so that the second semi-ring only needs to be replaced when being worn, and the whole scrapping of the connecting rod is avoided.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the structure of the connecting handle, the protruding block and the ring according to the present utility model;
FIG. 3 is a schematic diagram of the structure between the first half ring and the second half ring according to the present utility model;
fig. 4 is a schematic cross-sectional view of the connecting handle of the present utility model.
In the figure: 1. a connecting handle; 2. a bump; 3. a circular ring; 4. a connecting lug; 5. a first half ring; 6. a first connection post; 7. a second half ring; 8. a second connection post; 9. a fastening bolt; 10. an inner core assembly; 1001. an inner core rod; 1002. a front clamping block; 1003. a rear clamping block; 11. positioning holes; 12. and positioning columns.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 4, a refrigerator compressor connecting rod includes a connecting handle 1; the two sides of the connecting handle 1 are provided with the protruding blocks 2, one end of the connecting handle 1 is fixedly connected with the circular ring 3, the other end of the connecting handle 1 is fixedly connected with the connecting lug 4, one side of the connecting lug 4 is connected with the first semi-ring 5, the outer surface of the first semi-ring 5 is welded with the first connecting column 6, one end of the first semi-ring 5 is connected with the second semi-ring 7, the outer surface of the second semi-ring 7 is welded with the second connecting column 8, one end of the second connecting column 8 is connected with the fastening bolt 9 in a threaded manner, and the inner core assembly 10 is fixedly connected inside the connecting handle 1;
further, two groups of the protruding blocks 2 are arranged symmetrically about the vertical center line of the connecting handle 1, and one group of protruding blocks 2 is formed by combining four triangular protrusions;
during operation, the friction force on two sides of the lug 2 is increased, and the connecting handle 1 is taken out when the compressor connecting rod is convenient to replace or maintain.
Further, threaded holes are formed in the first connecting column 6 and the second connecting column 8, and the size of the threaded holes is matched with that of the fastening bolts 9;
in operation, the first half ring 5 and the second half ring 7 are fixed by screwing the fastening bolts 9 into the first connecting column 6 and the second connecting column 8 through the fastening bolts 9.
Further, the core assembly 10 includes a core rod 1001, one end of the core rod 1001 is fixedly connected with a front clamping block 1002, and the other end of the core rod 1001 is fixedly connected with a rear clamping block 1003;
in operation, through the inner core assembly 10, the overall strength of the connecting handle 1 is improved, and the service life of the connecting handle 1 is prolonged.
Further, the front clamping block 1002 and the rear clamping block 1003 have the same shape, and the front clamping block 1002 and the rear clamping block 1003 are polygonal;
in operation, the contact area between the connecting handle 1 and the connecting lug 4 is increased, and the torque resistance strength of the connecting part at one end of the connecting handle 1 is increased.
Further, a front clamping groove is formed in one side of the connecting lug 4, and a rear clamping groove is formed in the connecting handle 1;
in operation, the contact area between the connecting handle 1 and the connecting lug 4 is increased, and the connection is more stable.
Further, one end of the first semi-ring 5 is provided with a positioning hole 11, one end of the second semi-ring 7 is connected with a positioning column 12, and the positioning hole 11 and the positioning column 12 are arranged in a matching way;
during operation, the positioning column 11 arranged on the first semi-ring 5 is inserted into the positioning hole 12 arranged on the second semi-ring 7, so that quick positioning and installation can be performed.
Working principle: through setting up lug 2, when need change or maintenance compressor connecting rod, because the contact handle 1 surface can deposit lubricating oil, frictional force is little, be difficult to take out, through lug 2 that is equipped with on the contact handle 1 both sides surface, can increase the frictional force of contact, when installing first semi-ring 5 and second semi-ring 7, the locating hole 12 of seting up on inserting second semi-ring 7 with the reference column 11 that sets up on the first semi-ring 5, can carry out quick location installation, increase the stability that first semi-ring 5 and second semi-ring 7 are connected simultaneously, rethread fastening bolt 9, screw in the inside of first spliced pole 6 and second spliced pole 8 with fastening bolt 9, thereby fix first semi-ring 5 and second semi-ring 7, the change is convenient simultaneously, only need change when wearing and tearing appear to the second semi-ring 7, can not cause the connecting rod whole to scrap, the inside inner core rod 1001 that sets up of contact handle 1 has improved the bulk strength of contact handle 1, the life of contact handle 1 has been increased through the front fixture block 1002 and back fixture block 1003 that sets up, contact handle 1 and the contact handle 1 one end junction strength moment of contact handle 4 have been increased.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.
Claims (7)
1. A refrigerator compressor connecting rod, characterized in that: comprises a connecting handle (1); the utility model discloses a connecting handle, including handle (1), connecting handle (1), lug (4) are connected with to the both sides, lug (1) are provided with lug (2), lug (4) are connected with first semi-ring (5) in one side, the surface welding of first semi-ring (5) has first spliced pole (6), the one end of first semi-ring (5) is connected with second semi-ring (7), the surface welding of second semi-ring (7) has second spliced pole (8), the one end threaded connection of second spliced pole (8) has fastening bolt (9), the inside fixedly connected with inner core subassembly (10) of handle (1).
2. The refrigerator compressor connecting rod of claim 1, wherein: the two groups of the protruding blocks (2) are symmetrically arranged about the vertical center line of the connecting handle (1), and one group of the protruding blocks (2) is formed by combining four triangular protrusions.
3. The refrigerator compressor connecting rod of claim 1, wherein: screw holes are formed in the first connecting column (6) and the second connecting column (8), and the size of the screw holes is matched with that of the fastening bolts (9).
4. The refrigerator compressor connecting rod of claim 1, wherein: the inner core assembly (10) comprises an inner core rod (1001), one end of the inner core rod (1001) is fixedly connected with a front clamping block (1002), and the other end of the inner core rod (1001) is fixedly connected with a rear clamping block (1003).
5. The refrigerator compressor connecting rod of claim 4, wherein: the front clamping block (1002) and the rear clamping block (1003) are identical in shape, and the front clamping block (1002) and the rear clamping block (1003) are polygonal.
6. The refrigerator compressor connecting rod of claim 1, wherein: front clamping grooves are formed in one side of the connecting lug (4), and rear clamping grooves are formed in the connecting handle (1).
7. The refrigerator compressor connecting rod of claim 1, wherein: one end of the first semi-ring (5) is provided with a positioning hole (11), one end of the second semi-ring (7) is connected with a positioning column (12), and the positioning hole (11) and the positioning column (12) are arranged in a matching mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322430617.4U CN220748791U (en) | 2023-09-07 | 2023-09-07 | Refrigerator compressor connecting rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322430617.4U CN220748791U (en) | 2023-09-07 | 2023-09-07 | Refrigerator compressor connecting rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220748791U true CN220748791U (en) | 2024-04-09 |
Family
ID=90562141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322430617.4U Active CN220748791U (en) | 2023-09-07 | 2023-09-07 | Refrigerator compressor connecting rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220748791U (en) |
-
2023
- 2023-09-07 CN CN202322430617.4U patent/CN220748791U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |