CN204152754U - A kind of oil injection structure of reciprocating-piston compressor forging cylinder - Google Patents
A kind of oil injection structure of reciprocating-piston compressor forging cylinder Download PDFInfo
- Publication number
- CN204152754U CN204152754U CN201420439102.9U CN201420439102U CN204152754U CN 204152754 U CN204152754 U CN 204152754U CN 201420439102 U CN201420439102 U CN 201420439102U CN 204152754 U CN204152754 U CN 204152754U
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- CN
- China
- Prior art keywords
- filler opening
- connecting tube
- reciprocating
- air flue
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a kind of oil injection structure of reciprocating-piston compressor forging cylinder, it can prevent pressurized gas by oil hole along the clearance leakage between cylinder sleeve and casing wall, certain gap is left between inner connecting tube and casing wall, inner connecting tube has certain flexibility, can compensate when gas and cylinder sleeve are moved because axial breathing is inconsistent; This structure is made up of inside and outside two socketed pipes, when inner connecting tube flies out because thread damage causes under pressurized gas effect, is still protected by outboard structure, avoids causing exterior injury.It comprises cylinder block, described cylinder block inside is provided with active chamber, air flue, described active chamber is positioned at the axial centre position of described cylinder block, the arranged outside of described air flue has suction port, described suction port is communicated with described air flue, every structure in being separated with between described air flue and described active chamber, it is characterized in that: it comprises outer filler opening, interior filler opening, after described outer filler opening runs through the outer wall of described cylinder block, be communicated to described suction port.
Description
Technical field
The utility model relates to the technical field of structures of reciprocating-piston compressor, is specially a kind of oil injection structure of reciprocating-piston compressor forging cylinder.
Background technique
Technique reciprocating-piston compressor is that one is widely used in every profession and trade, and it realizes by changing gas in the jar volume the universal machine that gas pressure increases.For the oil hole a in mesolow cylinder, usual employing directly gets out on cylinder body, lubricant oil adapter is directly screwed on the inwall of cylinder block, sees Fig. 1 ~ Fig. 4, but in high pressure forging cylinder, if still make in this way, just exist adapter because of certain reason cause thread damage time, the hidden danger flown out under the effect of pressurized gas, simultaneously because this kind of structure is direct drilling deep hole on forging cylinder, the more difficult realization of general process equipment in processes, manufacturability is poor.
Summary of the invention
For the problems referred to above, the utility model provides a kind of oil injection structure of reciprocating-piston compressor forging cylinder, it can prevent pressurized gas by oil hole along the clearance leakage between cylinder sleeve and casing wall, certain gap is left between inner connecting tube and casing wall, inner connecting tube has certain flexibility, can compensate when gas and cylinder sleeve are moved because axial breathing is inconsistent; This structure is made up of inside and outside two socketed pipes, when inner connecting tube flies out because thread damage causes under pressurized gas effect, is still protected by outboard structure, avoids causing exterior injury.
A kind of oil injection structure of reciprocating-piston compressor forging cylinder, its technological scheme is such: it comprises cylinder block, described cylinder block inside is provided with active chamber, air flue, described active chamber is positioned at the axial centre position of described cylinder block, the arranged outside of described air flue has suction port, described suction port is communicated with described air flue, every structure in being separated with between described air flue and described active chamber, it is characterized in that: it comprises outer filler opening, interior filler opening, described suction port is communicated to after described outer filler opening runs through the outer wall of described cylinder block, described interior filler opening run through described in every structure, be communicated with described air flue and described active chamber, externally connected pipe is installed on described outer filler opening, the entry end of described externally connected pipe exposes to the entrance of described outer filler opening, the outlet end of described externally connected pipe exposes to the outlet of described outer filler opening, pipe joint is installed on the entrance of described interior filler opening, inner connecting tube is communicated with the outlet end of described externally connected pipe, the entrance point of pipe joint, described inner connecting tube is positioned at described suction port, in the cavity that air flue is formed, described inner connecting tube is specially oil pipe, it has certain flexibility.
It is further characterized in that:
Described interior filler opening is positioned at immediately below the inner side of described suction port, guarantees the installation being carried out pipe fitting by suction port, guarantees easy for installation, quick;
The inner ring surface of the entrance of described outer filler opening is provided with female thread structure, and described externally connected pipe to be threaded described female thread structure by external thread structure;
Gasket structure is furnished with between the locating face of the entry end of described externally connected pipe and the outer side surface of described cylinder block;
The inner ring surface of the entrance of described interior filler opening is provided with female thread structure, and the interface external thread anchor ring that goes out of described pipe joint is screwed to described female thread structure;
The outlet end of externally connected pipe, the entrance point of pipe joint is outside thread annuli arrangement, two of described oil pipe is nipple, two of described oil pipe has all been threaded connecting tube joint, the axis of described connecting tube joint is set with gland nut, the localization part of described gland nut presses the oriented side of the dome structure of described connecting tube joint, internal thread anchor ring and the described outside thread annuli arrangement screw-thread fit of described gland nut are fastenedly connected, packing ring is provided with between the locking side of the end face outside of described outside thread annuli arrangement and the dome structure of described connecting tube joint,
The outboard cover of described suction port is equipped with suction valve gland;
The entry end of described externally connected pipe is provided with internal thread anchor ring, and the interface external thread that goes out of oiling check valve connects described internal thread anchor ring.
After adopting structure of the present utility model, because inner connecting tube is communicated with the outlet end of described externally connected pipe, the entrance point of pipe joint, the space that described inner connecting tube is positioned at described suction port, air flue is formed, described inner connecting tube is specially oil pipe, it has certain flexibility, it makes to leave certain gap between inner connecting tube and casing wall, inner connecting tube has certain flexibility, can compensate when gas and cylinder sleeve are moved because axial breathing is inconsistent; In addition; externally connected pipe is installed on described outer filler opening; the entry end of described externally connected pipe exposes to the entrance of described outer filler opening; the outlet end of described externally connected pipe exposes to the outlet of described outer filler opening, namely except inner connecting tube, also have externally connected pipe, this structure is made up of inside and outside two socketed pipes; when inner connecting tube flies out under pressurized gas effect because thread damage causes; still protected by outboard structure, pressurized gas can be prevented by oil hole along the clearance leakage between cylinder sleeve and casing wall, avoid causing exterior injury.
Accompanying drawing explanation
Fig. 1 is existing forged steel cylinder block sectional view structural representation;
Fig. 2 is the G direction view structural representation of Fig. 1;
Fig. 3 is that the A-A of Fig. 2 cuts open structural representation enlarged view;
Fig. 4 is existing forged steel cylinder block oil hole scheme of installation;
Fig. 5 adopts forged steel cylinder block sectional view structural representation of the present utility model;
Fig. 6 is that the B-B of Fig. 5 cuts open structural representation;
Fig. 7 is forged steel cylinder block oil hole scheme of installation after employing the utility model;
Fig. 8 is oil filler pipe sub-unit structural representation enlarged view in the utility model;
Fig. 9 is the C place partial enlargement structural representation of Fig. 7.
Embodiment
A kind of oil injection structure of reciprocating-piston compressor forging cylinder, see Fig. 5 ~ Fig. 9: it comprises cylinder block 1, cylinder block 1 inside is provided with active chamber 2, air flue 3, active chamber 2 is positioned at the axial centre position of cylinder block 1, the arranged outside of air flue 3 has suction port 4, suction port 4 is communicated with air flue 3, every structure 5 in being separated with between air flue 3 and active chamber 2, it also comprises outer filler opening 6, interior filler opening 7, suction port 4 is communicated to after outer filler opening 6 runs through the outer wall of cylinder block 1, every structure 5 during interior filler opening 7 runs through, be communicated with air flue 3 and active chamber 2, externally connected pipe 8 is installed on outer filler opening 6, the entry end 9 of externally connected pipe 8 exposes to the entrance of outer filler opening 6, the outlet end 10 of externally connected pipe 8 exposes to the outlet of outer filler opening 6, pipe joint 11 is installed on the entrance of interior filler opening 7, inner connecting tube is communicated with the outlet end 10 of externally connected pipe 8, the entrance point 13 of pipe joint 11, inner connecting tube 12 is positioned at suction port 4, in the cavity that air flue 3 is formed, inner connecting tube is specially oil pipe 12, it has certain flexibility.
Interior filler opening 7 is positioned at immediately below the inner side of suction port 4, guarantees that the installation of pipe fitting is carried out in the space by suction port 4, guarantees easy for installation, quick;
The inner ring surface of the entrance of outer filler opening 6 is provided with female thread structure, and externally connected pipe 8 to be threaded female thread structure by external thread structure;
Be furnished with gasket structure 14 between the locating face of the entry end of externally connected pipe 8 and the outer side surface of cylinder block 1, guarantee sealing;
The inner ring surface of the entrance of interior filler opening 7 is provided with female thread structure, and the interface external thread anchor ring that goes out of pipe joint 11 is screwed to female thread structure;
The outlet end of externally connected pipe 8, the entrance point of pipe joint 11 is outside thread annuli arrangement 20, two of oil pipe 12 is nipple, two of oil pipe 12 has all been threaded connecting tube joint 16, the axis of connecting tube joint 16 is set with gland nut 17, the localization part 18 of gland nut 17 presses the oriented side of the dome structure 19 of connecting tube joint 16, the internal thread anchor ring of gland nut 17 and outside thread annuli arrangement 20 screw-thread fit of respective side are fastenedly connected, packing ring 21 is provided with between the locking side of the end face outside of outside thread annuli arrangement 20 and the dome structure 19 of connecting tube joint 16, namely the two ends of oil pipe 12 are spigot, thus guarantee the sealing of the oil in oil pipe,
The outboard cover of suction port 4 is equipped with suction valve gland 22; The entry end of externally connected pipe 8 is provided with internal thread anchor ring, and the interface external thread that goes out of oiling check valve 15 connects internal thread anchor ring, and oiling check valve 15 guarantees the one-way flow of oil circuit, and oil can not be leaked outside.
Its working principle is as follows: because oil pipe 12 is communicated with the outlet end 10 of described externally connected pipe 8, the entrance point 13 of pipe joint 11, the cavity that oil pipe 12 is positioned at described suction port 4, air flue 3 is formed, oil pipe 12 has certain flexibility, it makes to leave certain gap between oil pipe 12 and casing wall, can compensate when gas and cylinder sleeve are moved because axial breathing is inconsistent; In addition; this structure is made up of inside and outside two socketed pipes, when oil pipe 12 flies out under pressurized gas effect because thread damage causes, is still protected by outboard structure; pressurized gas can be prevented by oil hole along the clearance leakage between cylinder sleeve and casing wall, avoid causing exterior injury.
Claims (8)
1. the oil injection structure of a reciprocating-piston compressor forging cylinder, it comprises cylinder block, described cylinder block inside is provided with active chamber, air flue, described active chamber is positioned at the axial centre position of described cylinder block, the arranged outside of described air flue has suction port, described suction port is communicated with described air flue, every structure in being separated with between described air flue and described active chamber, it is characterized in that: it comprises outer filler opening, interior filler opening, described suction port is communicated to after described outer filler opening runs through the outer wall of described cylinder block, described interior filler opening run through described in every structure, be communicated with described air flue and described active chamber, externally connected pipe is installed on described outer filler opening, the entry end of described externally connected pipe exposes to the entrance of described outer filler opening, the outlet end of described externally connected pipe exposes to the outlet of described outer filler opening, pipe joint is installed on the entrance of described interior filler opening, inner connecting tube is communicated with the outlet end of described externally connected pipe, the entrance point of pipe joint, described inner connecting tube is positioned at described suction port, in the cavity that air flue is formed, described inner connecting tube is specially oil pipe.
2. the oil injection structure of a kind of reciprocating-piston compressor forging cylinder according to claim 1, is characterized in that: described interior filler opening is positioned at immediately below the inner side of described suction port.
3. the oil injection structure of a kind of reciprocating-piston compressor forging cylinder according to claim 1, it is characterized in that: the inner ring surface of the entrance of described outer filler opening is provided with female thread structure, described externally connected pipe to be threaded described female thread structure by external thread structure.
4. the oil injection structure of a kind of reciprocating-piston compressor forging cylinder according to claim 1, is characterized in that: be furnished with gasket structure between the locating face of the entry end of described externally connected pipe and the outer side surface of described cylinder block.
5. the oil injection structure of a kind of reciprocating-piston compressor forging cylinder according to claim 1, it is characterized in that: the inner ring surface of the entrance of described interior filler opening is provided with female thread structure, the interface external thread anchor ring that goes out of described pipe joint is screwed to described female thread structure.
6. the oil injection structure of a kind of reciprocating-piston compressor forging cylinder according to claim 1, it is characterized in that: the outlet end of externally connected pipe, the entrance point of pipe joint is outside thread annuli arrangement, two of described oil pipe is nipple, two of described oil pipe has all been threaded connecting tube joint, the axis of described connecting tube joint is set with gland nut, the localization part of described gland nut presses the oriented side of the dome structure of described connecting tube joint, internal thread anchor ring and the described outside thread annuli arrangement screw-thread fit of described gland nut are fastenedly connected, packing ring is provided with between the locking side of the end face outside of described outside thread annuli arrangement and the dome structure of described connecting tube joint.
7. the oil injection structure of a kind of reciprocating-piston compressor forging cylinder according to claim 1, is characterized in that: the outboard cover of described suction port is equipped with suction valve gland.
8. the oil injection structure of a kind of reciprocating-piston compressor forging cylinder according to claim 1, is characterized in that: the entry end of described externally connected pipe is provided with internal thread anchor ring, and the interface external thread that goes out of oiling check valve connects described internal thread anchor ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420439102.9U CN204152754U (en) | 2014-08-06 | 2014-08-06 | A kind of oil injection structure of reciprocating-piston compressor forging cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420439102.9U CN204152754U (en) | 2014-08-06 | 2014-08-06 | A kind of oil injection structure of reciprocating-piston compressor forging cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204152754U true CN204152754U (en) | 2015-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420439102.9U Expired - Fee Related CN204152754U (en) | 2014-08-06 | 2014-08-06 | A kind of oil injection structure of reciprocating-piston compressor forging cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204152754U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104196700A (en) * | 2014-08-06 | 2014-12-10 | 无锡压缩机股份有限公司 | Oil injection structure of forging air cylinder of reciprocating piston compressor |
-
2014
- 2014-08-06 CN CN201420439102.9U patent/CN204152754U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104196700A (en) * | 2014-08-06 | 2014-12-10 | 无锡压缩机股份有限公司 | Oil injection structure of forging air cylinder of reciprocating piston compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150211 Termination date: 20170806 |