CN111692198A - Self-lubricating shaft pin - Google Patents
Self-lubricating shaft pin Download PDFInfo
- Publication number
- CN111692198A CN111692198A CN202010508850.8A CN202010508850A CN111692198A CN 111692198 A CN111692198 A CN 111692198A CN 202010508850 A CN202010508850 A CN 202010508850A CN 111692198 A CN111692198 A CN 111692198A
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- China
- Prior art keywords
- oil
- shaft pin
- lubricating
- pin body
- shaft
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- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N1/00—Constructional modifications of parts of machines or apparatus for the purpose of lubrication
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N21/00—Conduits; Junctions; Fittings for lubrication apertures
- F16N21/04—Nozzles for connection of lubricating equipment to nipples
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention discloses a self-lubricating shaft pin, which comprises a shaft pin body; the lubricating oil injection structure comprises a shaft pin body, wherein an oil injection nozzle is arranged at the upper end part of the shaft pin body, an oil outlet is formed in the surface of the shaft pin body, the oil injection nozzle is communicated with the oil outlet through an oil injection channel formed in the shaft pin body, lubricating oil is injected into the shaft pin body from the oil injection nozzle, the lubricating oil flows along the oil injection channel and flows out from the surface of the oil outlet, and a lubricating layer is formed on the outer side of the shaft pin body; the outer surface of the shaft pin body is provided with a surface oil duct, and the surface oil duct is of a groove-shaped structure. According to the invention, the oil filling nozzle is arranged at the upper end part of the shaft pin body, the oil outlet is formed in the surface of the shaft pin body, lubricating oil is filled into the shaft pin body from the oil filling nozzle, the lubricating oil flows along the oil filling channel and flows out from the surface of the oil outlet, so that a uniform lubricating layer is formed in a gap between the shaft pin body and the shaft sleeve, and the problems that the shaft pin is difficult to fill oil and has no self-lubricating capability in the prior art are solved.
Description
Technical Field
The invention relates to the technical field of shaft pin lubrication, in particular to a self-lubricating shaft pin.
Background
The pin shaft is a standard fastener, can be statically and fixedly connected, can also move relative to a connected piece, and is mainly used at the hinged position of two parts to form a hinged connection. The pin shaft is usually locked by a cotter pin, and has reliable work and convenient disassembly.
After the traditional shaft pin penetrates through the shaft sleeve, lubricating oil can only be smeared on the periphery of the shaft pin by using a hairbrush, the lubricating oil cannot effectively enter a gap between the shaft pin and a contact surface of the shaft sleeve, the lubricating effect is unsatisfactory, and the shaft pin lacking the lubricating oil can be rusted, so that the transmission connection is jammed and refused.
Therefore, in view of the above situation, there is a need to develop a self-lubricating type shaft pin to overcome the shortcomings of the current practical application.
Disclosure of Invention
The present invention is directed to a self-lubricating type shaft pin to solve the problems set forth in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
a self-lubricating type shaft pin, comprising a shaft pin body;
the upper end part of the shaft pin body is provided with an oil injection nozzle,
an oil outlet is arranged on the surface of the shaft pin body,
the oil filling nozzle is communicated with the oil outlet through an oil filling channel arranged in the shaft pin body,
lubricating oil is injected into the shaft pin body from the oil nozzle,
the lubricating oil flows along the oil filling channel,
and flows out from the surface of the oil outlet,
forming a lubricating layer on the outer side of the shaft pin body;
the outer surface of the shaft pin body is provided with a surface oil duct,
the surface oil passage is of a groove-shaped structure.
As a further scheme of the invention:
the surface oil passage includes a forward rotation oil passage and a reverse rotation oil passage,
the forward rotation oil passage and the reverse rotation oil passage are both in thread structures,
the rotating directions of the forward rotating oil duct and the reverse rotating oil duct are opposite.
As a further scheme of the invention:
the forward rotation oil duct and the reverse rotation oil duct extend from the upper end face to the lower end face of the shaft pin body.
As a further scheme of the invention:
the oil outlet is arranged in the middle of the shaft pin body,
lubricating oil flows out from the oil outlet and then flows downwards into the surface oil passage at the lower part of the shaft pin body,
after the surface oil passage at the lower part is filled with lubricating oil,
the lubricating oil gradually flows into the surface oil passage of the upper portion,
until the gap between the shaft pin body and the shaft sleeve is completely filled.
As a further scheme of the invention:
the shaft pin body comprises an upper shaft body and a lower shaft body,
the upper shaft body and the lower shaft body are fixedly connected through a connecting shaft.
As a further scheme of the invention:
the diameters of the upper shaft body and the lower shaft body are the same,
the diameter of the connecting shaft is smaller than that of the upper shaft body or the lower shaft body,
when the upper shaft body and the lower shaft body are fixedly connected through the connecting shaft,
the connecting shaft forms an annular oil guide groove on the shaft pin body.
As a further scheme of the invention:
the oil outlet is arranged in the connecting shaft,
the forward oil passage and the reverse oil passage are both communicated with the oil guide groove,
the lubricating oil flows out from the oil outlet and then gradually overflows the oil guide groove,
and flows into the surface oil channel along the joint of the surface oil channel and the oil guide groove.
As a further scheme of the invention:
a top bead is movably arranged in the oil injection nozzle,
the top ball is fixedly connected with the bottom of the oil injection nozzle through a telescopic spring.
As a further scheme of the invention:
the oiling channel comprises a vertical channel and a transverse channel which are arranged inside the shaft pin body.
As a further scheme of the invention:
the lower end of the vertical channel is communicated with the transverse channel,
the upper end of the vertical channel is communicated with the oil injection nozzle,
the transverse channel is communicated with the oil outlet.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the oil filling nozzle is arranged at the upper end part of the shaft pin body, the oil outlet is formed in the surface of the shaft pin body, lubricating oil is filled into the shaft pin body from the oil filling nozzle, the lubricating oil flows along the oil filling channel and flows out from the surface of the oil outlet, so that a uniform lubricating layer is formed in a gap between the shaft pin body and the shaft sleeve, the problems of difficult oil filling and no self-lubricating capability of the shaft pin in the prior art are solved, and the jamming and the refusing of transmission connection are avoided.
Drawings
FIG. 1 is a front view of self-lubricating pintle embodiment 1.
Fig. 2 is a front view of self-lubricating quill embodiment 2.
Fig. 3 is a side view of a self-lubricating quill pin.
FIG. 4 is a cross-sectional view of a self-lubricating quill pin.
In the figure:
1-axle pin body,
101-an upper shaft body,
102-lower shaft body,
103-connecting shaft,
104-vertical channel,
105-transverse channels,
2-an oil injection nozzle,
201-top bead,
202-a telescopic spring,
3-oil outlet,
4-surface oil channel.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Example 1
Referring to fig. 1, in an embodiment of the present invention, a self-lubricating type shaft pin includes a shaft pin body 1; an oil filling nozzle 2 is arranged at the upper end of the shaft pin body 1, an oil outlet 3 is formed in the surface of the shaft pin body 1, the oil filling nozzle 2 is communicated with the oil outlet 3 through an oil filling channel formed in the shaft pin body 1, lubricating oil is filled into the shaft pin body 1 from the oil filling nozzle 2, the lubricating oil flows along the oil filling channel and flows out of the surface of the oil outlet 3, and a lubricating layer is formed on the outer side of the shaft pin body 1; the outer surface of the shaft pin body 1 is provided with a surface oil duct 4, the surface oil duct 4 is of a groove-shaped structure, the surface oil duct 4 comprises a forward rotation oil duct and an inverse rotation oil duct, the forward rotation oil duct and the inverse rotation oil duct are both of threaded structures, the rotating directions of the forward rotation oil duct and the inverse rotation oil duct are opposite, the forward rotation oil duct and the inverse rotation oil duct extend from the upper end surface to the lower end surface of the shaft pin body 1, and lubricating oil flows along the forward rotation oil duct and the inverse rotation oil duct after flowing out of an oil outlet 3, so that a uniform lubricating layer is formed in a gap between the shaft pin body 1 and a shaft sleeve, and the problems that the shaft pin is difficult to oil injection and does not have;
specifically, in this embodiment, the oil outlet 3 is opened in the middle of the shaft pin body 1, the lubricating oil flows out from the oil outlet 3 and then flows downward into the surface oil passage 4 at the lower portion of the shaft pin body 1, and after the surface oil passage 4 at the lower portion is filled with the lubricating oil, the lubricating oil gradually flows into the surface oil passage 4 at the upper portion until the gap between the shaft pin body 1 and the shaft sleeve is completely filled.
Example 2
Referring to fig. 1, in an embodiment of the present invention, a self-lubricating type shaft pin includes a shaft pin body 1; an oil filling nozzle 2 is arranged at the upper end of the shaft pin body 1, an oil outlet 3 is formed in the surface of the shaft pin body 1, the oil filling nozzle 2 is communicated with the oil outlet 3 through an oil filling channel formed in the shaft pin body 1, lubricating oil is filled into the shaft pin body 1 from the oil filling nozzle 2, the lubricating oil flows along the oil filling channel and flows out of the surface of the oil outlet 3, and a lubricating layer is formed on the outer side of the shaft pin body 1; the outer surface of the shaft pin body 1 is provided with a surface oil duct 4, the surface oil duct 4 is of a groove-shaped structure, the surface oil duct 4 comprises a forward rotation oil duct and an inverse rotation oil duct, the forward rotation oil duct and the inverse rotation oil duct are both of threaded structures, the rotating directions of the forward rotation oil duct and the inverse rotation oil duct are opposite, the forward rotation oil duct and the inverse rotation oil duct extend from the upper end surface to the lower end surface of the shaft pin body 1, and lubricating oil flows along the forward rotation oil duct and the inverse rotation oil duct after flowing out of an oil outlet 3, so that a uniform lubricating layer is formed in a gap between the shaft pin body 1 and a shaft sleeve, and the problems that the shaft pin is difficult to oil injection and does not have;
specifically, in this embodiment, the oil outlet 3 is opened in the middle of the shaft pin body 1, the lubricating oil flows out from the oil outlet 3 and then flows downward into the surface oil passage 4 at the lower portion of the shaft pin body 1, and after the surface oil passage 4 at the lower portion is filled with the lubricating oil, the lubricating oil gradually flows into the surface oil passage 4 at the upper portion until the gap between the shaft pin body 1 and the shaft sleeve is completely filled.
Referring to fig. 2-3, the present embodiment is different from embodiment 1 in that:
the shaft pin body 1 comprises an upper shaft body 101 and a lower shaft body 102, the upper shaft body 101 and the lower shaft body 102 are fixedly connected through a connecting shaft 103, the diameters of the upper shaft body 101 and the lower shaft body 102 are the same, the diameter of the connecting shaft 103 is smaller than that of the upper shaft body 101 or the lower shaft body 102, and when the upper shaft body 101 and the lower shaft body 102 are fixedly connected through the connecting shaft 103, the connecting shaft 103 forms an annular oil guide groove in the shaft pin body 1;
the oil outlet 3 is arranged in the connecting shaft 103, the forward oil duct and the reverse oil duct are both communicated with the oil guide groove, and the lubricating oil flows out from the oil outlet 3 and then gradually overflows the oil guide groove, and then flows into the surface oil duct 4 along the joint of the surface oil duct 4 and the oil guide groove.
Example 3
Referring to fig. 1, in an embodiment of the present invention, a self-lubricating type shaft pin includes a shaft pin body 1; an oil filling nozzle 2 is arranged at the upper end of the shaft pin body 1, an oil outlet 3 is formed in the surface of the shaft pin body 1, the oil filling nozzle 2 is communicated with the oil outlet 3 through an oil filling channel formed in the shaft pin body 1, lubricating oil is filled into the shaft pin body 1 from the oil filling nozzle 2, the lubricating oil flows along the oil filling channel and flows out of the surface of the oil outlet 3, and a lubricating layer is formed on the outer side of the shaft pin body 1; the outer surface of the shaft pin body 1 is provided with a surface oil duct 4, the surface oil duct 4 is of a groove-shaped structure, the surface oil duct 4 comprises a forward rotation oil duct and an inverse rotation oil duct, the forward rotation oil duct and the inverse rotation oil duct are both of threaded structures, the rotating directions of the forward rotation oil duct and the inverse rotation oil duct are opposite, the forward rotation oil duct and the inverse rotation oil duct extend from the upper end surface to the lower end surface of the shaft pin body 1, and lubricating oil flows along the forward rotation oil duct and the inverse rotation oil duct after flowing out of an oil outlet 3, so that a uniform lubricating layer is formed in a gap between the shaft pin body 1 and a shaft sleeve, and the problems that the shaft pin is difficult to oil injection and does not have;
specifically, in this embodiment, the oil outlet 3 is opened in the middle of the shaft pin body 1, the lubricating oil flows out from the oil outlet 3 and then flows downward into the surface oil passage 4 at the lower portion of the shaft pin body 1, and after the surface oil passage 4 at the lower portion is filled with the lubricating oil, the lubricating oil gradually flows into the surface oil passage 4 at the upper portion until the gap between the shaft pin body 1 and the shaft sleeve is completely filled.
Referring to fig. 2-3, embodiment 2 differs from embodiment 1 in that:
the shaft pin body 1 comprises an upper shaft body 101 and a lower shaft body 102, the upper shaft body 101 and the lower shaft body 102 are fixedly connected through a connecting shaft 103, the diameters of the upper shaft body 101 and the lower shaft body 102 are the same, the diameter of the connecting shaft 103 is smaller than that of the upper shaft body 101 or the lower shaft body 102, and when the upper shaft body 101 and the lower shaft body 102 are fixedly connected through the connecting shaft 103, the connecting shaft 103 forms an annular oil guide groove in the shaft pin body 1;
the oil outlet 3 is formed in the connecting shaft 103, the forward-rotation oil passage and the reverse-rotation oil passage are both communicated with the oil guide groove, and the lubricating oil flows out of the oil outlet 3 and then gradually overflows the oil guide groove, and then flows into the surface oil passage 4 along the joint of the surface oil passage 4 and the oil guide groove.
Referring to fig. 4, the difference between the present embodiment and embodiments 1-2 is:
the top bead 201 is movably mounted inside the oil injection nozzle 2, the top bead 201 is fixedly connected with the bottom of the oil injection nozzle 2 through the telescopic spring 202, and in an initial state, the top bead 201 abuts against the oil inlet of the oil injection nozzle 2 under the extrusion action of the telescopic spring 202, so that sundries are prevented from entering the oil injection nozzle 2; when in an oil injection state, lubricating oil extrudes the top bead 201 to move downwards, so that the oil inlet is forced to be opened, and the lubricating oil enters the inside of the oil injection nozzle 2; after the oil injection is finished, the expansion spring 202 drives the top ball 201 to reset, so that the lubricating oil is prevented from flowing out of the oil injection nozzle 2;
specifically, in this embodiment, the oil filling channel includes a vertical channel 104 and a horizontal channel 105 which are opened inside the shaft pin body 1, a lower end of the vertical channel 104 is communicated with the horizontal channel 105, an upper end of the vertical channel 104 is communicated with the oil filling nozzle 2, and the horizontal channel 105 is communicated with the oil outlet 3, so that the lubricating oil added by the oil filling nozzle 2 is led out from the oil outlet 3.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several variations and modifications without departing from the concept of the present invention, and these should be considered as the protection scope of the present invention, which will not affect the effect of the implementation of the present invention and the utility of the patent.
Claims (10)
1. A self-lubricating type shaft pin, comprising a shaft pin body (1); the lubricating structure is characterized in that an oil filling nozzle (2) is arranged at the upper end of the shaft pin body (1), an oil outlet (3) is formed in the surface of the shaft pin body (1), the oil filling nozzle (2) is communicated with the oil outlet (3) through an oil filling channel formed in the shaft pin body (1), lubricating oil is filled into the shaft pin body (1) from the oil filling nozzle (2), the lubricating oil flows along the oil filling channel and flows out from the surface of the oil outlet (3), and a lubricating layer is formed on the outer side of the shaft pin body (1); the outer surface of the shaft pin body (1) is provided with a surface oil duct (4), and the surface oil duct (4) is of a groove-shaped structure.
2. A self-lubricating shaft pin according to claim 1, characterised in that the surface oil passage (4) comprises a forward oil passage and a reverse oil passage, both of which are of a screw type configuration, the forward and reverse oil passages having opposite directions of rotation.
3. A self-lubricating shaft pin according to claim 2, characterised in that the forward and reverse galleries extend from the upper end face to the lower end face of the shaft pin body (1).
4. A self-lubricating shaft pin according to claim 3, wherein the oil outlet (3) is opened at the middle position of the shaft pin body (1), the lubricating oil flows out from the oil outlet (3) and then flows downwards into the surface oil passage (4) at the lower part of the shaft pin body (1), after the surface oil passage (4) at the lower part is filled with the lubricating oil, the lubricating oil gradually flows into the surface oil passage (4) at the upper part until the gap between the shaft pin body (1) and the shaft sleeve is completely filled.
5. A self-lubricating axle pin according to claim 3 or 4, characterised in that the axle pin body (1) comprises an upper axle body (101) and a lower axle body (102), the upper axle body (101) and the lower axle body (102) being fixedly connected by a connecting axle (103).
6. A self-lubricating axle pin according to claim 5, characterised in that the upper axle body (101) and the lower axle body (102) have the same diameter, the diameter of the connecting shaft (103) is smaller than the diameter of the upper axle body (101) or the lower axle body (102), and the connecting shaft (103) forms an annular oil guiding groove in the axle pin body (1) when the upper axle body (101) and the lower axle body (102) are fixedly connected by the connecting shaft (103).
7. A self-lubricating shaft pin according to claim 6, characterized in that the oil outlet (3) is opened in the connecting shaft (103), the forward rotation oil passage and the reverse rotation oil passage are both communicated with the oil guide groove, and the lubricating oil flows out from the oil outlet (3), then gradually overflows the oil guide groove, and flows into the surface oil passage (4) along the joint of the surface oil passage (4) and the oil guide groove.
8. Self-lubricating shaft pin according to claim 1, characterised in that the inside of the oil nipple (2) is movably fitted with a top bead (201), the top bead (201) being fixedly connected to the bottom of the oil nipple (2) by means of a telescopic spring (202).
9. Self-lubricating shaft pin according to claim 1, characterized in that the oil injection channel comprises a vertical channel (104) and a transverse channel (105) opening inside the shaft pin body (1).
10. Self-lubricating shaft pin according to claim 9, characterised in that the lower end of the vertical channel (104) communicates with the transverse channel (105), the upper end of the vertical channel (104) communicates with the oil nipple (2), and the transverse channel (105) communicates with the oil outlet (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010508850.8A CN111692198A (en) | 2020-06-06 | 2020-06-06 | Self-lubricating shaft pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010508850.8A CN111692198A (en) | 2020-06-06 | 2020-06-06 | Self-lubricating shaft pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111692198A true CN111692198A (en) | 2020-09-22 |
Family
ID=72479633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010508850.8A Pending CN111692198A (en) | 2020-06-06 | 2020-06-06 | Self-lubricating shaft pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111692198A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112253616A (en) * | 2020-10-20 | 2021-01-22 | 重庆红江机械有限责任公司 | Bushing, roller pin assembly and guide piston assembly |
| CN112324776A (en) * | 2020-10-20 | 2021-02-05 | 安徽华铂再生资源科技有限公司 | Lubricated rust-resistant round pin axle that loses |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202360540U (en) * | 2011-11-07 | 2012-08-01 | 邯郸供电公司 | Shaft pin lubricated by internally injecting lubricating oil |
| CN202431734U (en) * | 2012-02-15 | 2012-09-12 | 武汉钢铁(集团)公司 | Self-lubricating connection pin shaft |
| CN202628733U (en) * | 2012-06-08 | 2012-12-26 | 中国航空工业集团公司西安飞机设计研究所 | Bolt with lubricant oil filling port |
| CN205503676U (en) * | 2016-04-14 | 2016-08-24 | 意欧斯智能科技股份有限公司 | Heavy load forklift fork connecting pin roll |
| CN208778499U (en) * | 2018-08-16 | 2019-04-23 | 石家庄理想汽车零部件有限公司 | Axle sleeve |
| CN209761958U (en) * | 2019-04-03 | 2019-12-10 | 台州凯纳制动器有限公司 | Steel plate pin |
| CN209818510U (en) * | 2019-04-29 | 2019-12-20 | 杭州汽轮机股份有限公司 | Hydraulic sleeving shaft section structure with oil unloading groove |
-
2020
- 2020-06-06 CN CN202010508850.8A patent/CN111692198A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202360540U (en) * | 2011-11-07 | 2012-08-01 | 邯郸供电公司 | Shaft pin lubricated by internally injecting lubricating oil |
| CN202431734U (en) * | 2012-02-15 | 2012-09-12 | 武汉钢铁(集团)公司 | Self-lubricating connection pin shaft |
| CN202628733U (en) * | 2012-06-08 | 2012-12-26 | 中国航空工业集团公司西安飞机设计研究所 | Bolt with lubricant oil filling port |
| CN205503676U (en) * | 2016-04-14 | 2016-08-24 | 意欧斯智能科技股份有限公司 | Heavy load forklift fork connecting pin roll |
| CN208778499U (en) * | 2018-08-16 | 2019-04-23 | 石家庄理想汽车零部件有限公司 | Axle sleeve |
| CN209761958U (en) * | 2019-04-03 | 2019-12-10 | 台州凯纳制动器有限公司 | Steel plate pin |
| CN209818510U (en) * | 2019-04-29 | 2019-12-20 | 杭州汽轮机股份有限公司 | Hydraulic sleeving shaft section structure with oil unloading groove |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112253616A (en) * | 2020-10-20 | 2021-01-22 | 重庆红江机械有限责任公司 | Bushing, roller pin assembly and guide piston assembly |
| CN112324776A (en) * | 2020-10-20 | 2021-02-05 | 安徽华铂再生资源科技有限公司 | Lubricated rust-resistant round pin axle that loses |
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| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200922 |
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| RJ01 | Rejection of invention patent application after publication |