CN209053710U - A kind of small diesel engine piston pin - Google Patents
A kind of small diesel engine piston pin Download PDFInfo
- Publication number
- CN209053710U CN209053710U CN201821588589.1U CN201821588589U CN209053710U CN 209053710 U CN209053710 U CN 209053710U CN 201821588589 U CN201821588589 U CN 201821588589U CN 209053710 U CN209053710 U CN 209053710U
- Authority
- CN
- China
- Prior art keywords
- piston pin
- oil
- piston
- diesel engine
- small diesel
- 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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- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The utility model provides a kind of small diesel engine piston pin, is related to piston pin technical field.Realizing prevents piston pin deformation occurs, improves the effect of piston pin service life.The small diesel engine piston pin, including key seat device, shank device and bracing means, the key seat device is internally provided with shank device, and the shank device is internally provided with bracing means, the key seat device includes piston boss, and the inside of the piston boss inner wall is filled with inner core.The small diesel engine piston pin, pass through setting arc reinforcement block and filled layer, the circular setting of four arc reinforcement blocks carries out uniform consolidation to piston pin, reduce the deformation occurred when piston pin work, and then the localized contact stress between piston pin hole is reduced, by the way that aluminium alloy lightweight material is arranged inside arc reinforcement block, guarantee stability while reducing arc reinforcement block quality, it is able to extend the service life of piston pin, ensure that piston mechanism works normally.
Description
Technical field
The utility model relates to piston pin technical fields, are particularly a kind of small diesel engine piston pin.
Background technique
Piston is the parts to move reciprocatingly in diesel engine cylinder, and the basic structure of piston can be divided into top, head and skirt
Portion, piston pin are installed in the cylindrical peg of piston skirt, its middle part passes through connecting rod small end hole, for connecting piston and company
The gas load that piston is born is transmitted to connecting rod by bar.High duty alloy steel making is generally used, and is made hollow.
When in use due to piston pin, since piston piston pin is used to connect piston and connecting rod, and the power that piston is born
It is transmitted to connecting rod or on the contrary, piston pin will cause piston boss in case of Bending Deformation and damage in use, now
Piston pin all use smooth cylindrical type, have ignored the friction between piston pin and piston boss, it may appear that insufficient lubrication causes
Piston pin hole serious wear, seriously will lead to piston scraping.
Utility model content
Goal of the invention provided by the utility model is to provide a kind of small diesel engine piston pin, the small diesel engine piston
Pin, can reinforce the structural strength of piston pin, preventing piston pin, deformation occurs.
In order to achieve the above object, the utility model is achieved by the following technical programs: a kind of small diesel engine piston
Pin, including key seat device, shank device and bracing means, the key seat device are internally provided with shank device, the shank
Device is internally provided with bracing means.
The key seat device includes piston boss, and the inside of the piston boss inner wall is filled with inner core.
The shank device includes piston pin ontology, and the center of the piston pin ontology offers piston pin hole, the work
The outer surface of plug pin ontology offers rectangular channel, and the inside of the rectangular channel is fixedly installed with sound-absorbing block, sets on the sound-absorbing block
It is equipped with oil suction sponge block, oil-through-hole is offered on the piston pin ontology, the inner wall of the piston pin ontology is fixedly installed with oil
It manages, is fixedly connected with oil duct on the oil pipe.
The bracing means includes arc reinforcement block, and the arc reinforcement block is internally provided with filled layer.
Preferably, the piston pin ontology is slidably connected by piston boss and piston, and the inner core material is PA66 Buddhist nun
Imperial material.
Preferably, the quantity of the rectangular channel is 16, and every four rectangular channels are one group, and four rectangular channels enclose
Around the outer surface of piston pin ontology around setting.
Preferably, the sound-absorbing stock material is made of Polyester Fibers.
Preferably, the quantity of the arc reinforcement block is four, and the outer surface of four arc reinforcement blocks is and piston
The inner wall of pin ontology is fixedly connected, and four arc reinforcement blocks are equally distributed on the inner wall of piston pin ontology.
Preferably, the material of the piston pin ontology and arc reinforcement block is made of 20CrMoTi material, the filling
Layer is aluminium alloy lightweight material.
Preferably, the quantity of the oil-through-hole and oil pipe is four, four oil-through-holes with corresponding oil pipe
It is connected.
Preferably, the quantity of the oil duct is two, and two oil ducts are arranged in the shape of a spiral in piston pin ontology
On wall, and the feed inlet of two oil ducts and oil outlet are connected with corresponding oil pipe respectively.
The utility model provides a kind of small diesel engine piston pin.Have it is following the utility model has the advantages that
1, the small diesel engine piston pin, by setting arc reinforcement block and filled layer, four arc reinforcement blocks are surround
Setting carries out uniform consolidation to piston pin, reduces the deformation occurred when piston pin work, and then reduce between piston pin hole
Localized contact stress, by inside arc reinforcement block be arranged aluminium alloy lightweight material, reduce arc reinforcement block quality
Guarantee stability simultaneously, be able to extend the service life of piston pin, ensure that piston mechanism works normally.
2, small diesel engine piston pin, by setting oil-through-hole, oil pipe and oil duct, after piston pin is installed, standard
The lubricating oil got ready is injected into piston pin by being located at piston pin surface oil-through-hole, and the lubricating oil of injection passes through logical first
Oilhole enters in oil pipe, is then input to by oil duct in the oil pipe of the other side and is overflowed by oil-through-hole, when using piston,
Make to form one layer of oil film between piston pin and piston boss, reduces friction, improve the wear resistance of piston pin, reduce maintenance
Cost of upkeep.
3, small diesel engine piston pin, by setting rectangular channel, sound-absorbing block and oil suction sponge block, by piston pin
Outer surface is surrounded with four groups of rectangular channels, and what is generated when the sound-absorbing block in rectangular channel is by pistons work absorb, and can drop
Low a degree of noise pollution, while oil suction sponge block absorbs the lubricating oil of outer surface of piston, with pistons work into
Row is squeezing out, and prevents lubricating oil splash.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model shank device side view；
Fig. 3 is the utility model shank device front view；
Fig. 4 is the utility model piston pin body construction schematic diagram.
In figure: 1 key seat device, 101 piston bosses, 102 inner cores, 2 shank devices, 201 piston pin ontologies, 202 piston pins
Hole, 203 rectangular channels, 204 sound-absorbing blocks, 205 oil suction sponge blocks, 206 oil-through-holes, 207 oil pipes, 208 oil ducts, 3 bracing means, 301
Arc reinforcement block, 302 filled layers.
Specific embodiment
As shown in Figs 1-4, a kind of small diesel engine piston pin, including key seat device 1, shank device 2 and bracing means 3,
Key seat device 1 is internally provided with shank device 2, and shank device 2 is internally provided with bracing means 3.
Key seat device 1 includes piston boss 101, and the inside of 101 inner wall of piston boss is filled with inner core 102,102 material of inner core
Material is PA66 nylon material.
Shank device 2 includes piston pin ontology 201, and piston pin ontology 201 is connected by piston boss 101 and piston sliding
It connecing, the center of piston pin ontology 201 offers piston pin hole 202, and the outer surface of piston pin ontology 201 offers rectangular channel 203,
The quantity of rectangular channel 203 is 16, and every four rectangular channels 203 are one group, and four rectangular channels 203 surround piston pin ontology
201 outer surface is around setting, and the inside of rectangular channel 203 is fixedly installed with sound-absorbing block 204, and 204 material of sound-absorbing block is by polyester fibre
Dimension material is made, and oil suction sponge block 205 is provided on sound-absorbing block 204, oil-through-hole 206, piston are offered on piston pin ontology 201
The inner wall of pin ontology 201 is fixedly installed with oil pipe 207, and oil duct 208, oil-through-hole 206 and oil pipe are fixedly connected on oil pipe 207
207 quantity is four, and four oil-through-holes 206 are connected with corresponding oil pipe 207, and the quantity of oil duct 208 is two,
Two oil ducts 208 are arranged in the shape of a spiral on the inner wall of piston pin ontology 201, and the feed inlet and oil outlet of two oil ducts 208
It is connected respectively with corresponding oil pipe 207, by setting oil-through-hole 206, oil pipe 207 and oil duct 208, piston pin is installed
Afterwards, ready lubricating oil is injected into piston pin by being located at piston pin surface oil-through-hole 206, the lubricating oil of injection
It is entered in oil pipe 207, is then input to by oil duct 208 in the oil pipe 207 of the other side by logical by oil-through-hole 206 first
Oilhole 206 overflows, and when using piston, makes to form one layer of oil film between piston pin and piston boss 101, reduces friction, mention
The high wear resistance of piston pin, reduces maintenance costs, passes through setting rectangular channel 203, sound-absorbing block 204 and oil suction sponge block
205, four groups of rectangular channels 203 are surrounded with by the outer surface in piston pin, the sound-absorbing block 204 in rectangular channel 203 is by piston
What is generated when work absorb, and can reduce a degree of noise pollution, while oil suction sponge block 205 is by outer surface of piston
Lubricating oil absorb, as the progress of pistons work is squeezing out, prevent lubricating oil splash.
Bracing means 3 includes arc reinforcement block 301, and the quantity of arc reinforcement block 301 is four, four arc reinforcement blocks
301 outer surface is fixedly connected with the inner wall of piston pin ontology 201, and four arc reinforcement blocks 301 are equally distributed on piston
On the inner wall for selling ontology 201, arc reinforcement block 301 is internally provided with filled layer 302, and piston pin ontology 201 and arc are reinforced
The material of block 301 is made of 20CrMoTi material, and filled layer 302 is aluminium alloy lightweight material, by the way that arc reinforcement block is arranged
301 and filled layer 302, the circular setting of four arc reinforcement blocks 301 carries out uniform consolidation to piston pin, reduces piston pin work
As when the deformation that occurs, and then the localized contact stress between piston pin hole 302 is reduced, by arc reinforcement block 301
Aluminium alloy lightweight material is arranged in portion, guarantees stability while reducing arc 301 mass of reinforcement block, is able to extend piston pin
Service life ensure that piston mechanism works normally.
In use, after piston pin is installed, ready lubricating oil by being located at piston pin surface oil-through-hole
206 are injected into piston pin, and the lubricating oil of injection passes through oil-through-hole 206 first and enters in oil pipe 207, then pass through oil duct
The 208 interior oil-through-holes 206 that pass through of oil pipe 207 for being input to the other side overflow, and stop adding lubricating oil after finding that lubricating oil overflows,
In this way when using piston, make to form one layer of oil film between piston pin and piston boss 101, piston mechanism at work, passes through
It is produced when the outer surface of piston pin is surrounded with four groups of rectangular channels 203, and the sound-absorbing block 204 in rectangular channel 203 is by pistons work
Raw absorb, and can reduce a degree of noise pollution, while oil suction sponge block 205 is by the lubricating oil of outer surface of piston
It absorbs, as the progress of pistons work is squeezing out, while arc fixed block 301 reduces the deformation occurred when piston pin work,
And then reduce the localized contact stress between piston pin hole 202.
Claims (8)
1. a kind of small diesel engine piston pin, including key seat device (1), shank device (2) and bracing means (3), feature exists
In: the key seat device (1) is internally provided with shank device (2), and the shank device (2) is internally provided with bracing means
(3)；
The key seat device (1) includes piston boss (101), and the inside of piston boss (101) inner wall is filled with inner core
(102)；
The shank device (2) includes piston pin ontology (201), and the center of the piston pin ontology (201) offers piston pin
The outer surface in hole (202), the piston pin ontology (201) offers rectangular channel (203), and the inside of the rectangular channel (203) is solid
Dingan County is equipped with sound-absorbing block (204), is provided with oil suction sponge block (205) on the sound-absorbing block (204), the piston pin ontology
(201) it is offered on oil-through-hole (206), the inner wall of the piston pin ontology (201) is fixedly installed with oil pipe (207), the oil
Oil duct (208) are fixedly connected on pipe (207)；
The bracing means (3) includes arc reinforcement block (301), and the arc reinforcement block (301) is internally provided with filled layer
(302)。
2. a kind of small diesel engine piston pin according to claim 1, it is characterised in that: the piston pin ontology (201)
It is slidably connected by piston boss (101) with piston, inner core (102) material is PA66 nylon material.
3. a kind of small diesel engine piston pin according to claim 1, it is characterised in that: the number of the rectangular channel (203)
Amount is 16, and every four rectangular channels (203) are one group, and four rectangular channels (203) are around piston pin ontology (201)
Outer surface is around setting.
4. a kind of small diesel engine piston pin according to claim 1, it is characterised in that: sound-absorbing block (204) material
It is made of Polyester Fibers.
5. a kind of small diesel engine piston pin according to claim 1, it is characterised in that: the arc reinforcement block (301)
Quantity be four, the outer surface of four arc reinforcement blocks (301) with the inner wall of piston pin ontology (201) is fixed connects
It connects, and four arc reinforcement blocks (301) are equally distributed on the inner wall of piston pin ontology (201).
6. a kind of small diesel engine piston pin according to claim 1, it is characterised in that: the piston pin ontology (201)
It is made with the material of arc reinforcement block (301) of 20CrMoTi material, the filled layer (302) is aluminium alloy lightweight material.
7. a kind of small diesel engine piston pin according to claim 1, it is characterised in that: the oil-through-hole (206) and oil
The quantity for managing (207) is four, and four oil-through-holes (206) are connected with corresponding oil pipe (207).
8. a kind of small diesel engine piston pin according to claim 1, it is characterised in that: the quantity of the oil duct (208)
It is two, two oil ducts (208) are arranged in the shape of a spiral on the inner wall of piston pin ontology (201), and two oil ducts
(208) feed inlet and oil outlet is connected with corresponding oil pipe (207) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821588589.1U CN209053710U (en) | 2018-09-28 | 2018-09-28 | A kind of small diesel engine piston pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821588589.1U CN209053710U (en) | 2018-09-28 | 2018-09-28 | A kind of small diesel engine piston pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209053710U true CN209053710U (en) | 2019-07-02 |
Family
ID=67049644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821588589.1U Expired - Fee Related CN209053710U (en) | 2018-09-28 | 2018-09-28 | A kind of small diesel engine piston pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209053710U (en) |
-
2018
- 2018-09-28 CN CN201821588589.1U patent/CN209053710U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20190702 Termination date: 20210928 |