CN108167175A - A kind of piston shoes baffle - Google Patents
A kind of piston shoes baffle Download PDFInfo
- Publication number
- CN108167175A CN108167175A CN201711408440.0A CN201711408440A CN108167175A CN 108167175 A CN108167175 A CN 108167175A CN 201711408440 A CN201711408440 A CN 201711408440A CN 108167175 A CN108167175 A CN 108167175A
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- Prior art keywords
- ontology
- circle
- piston shoes
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- equal
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
- F04B1/122—Details or component parts, e.g. valves, sealings or lubrication means
- F04B1/124—Pistons
- F04B1/126—Piston shoe retaining means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
The invention discloses a kind of piston shoes baffles, and including ontology, plunger hole, centre bore, ontology is in the form of annular discs, and right end has frustum, and circle centre position is provided with centre bore, and offers equally distributed plunger hole on the annulus between ontology outer circle and centre bore inner circle；The shortcomings that being cooperated by plunger, piston shoes, piston shoes baffle, in piston shoes and plunger action, make its action smooth by piston shoes baffle, stablize, preventing " de- boots phenomenon ", improves the reliability that plunger piston slippery boots use.
Description
Technical field
The present invention relates to mechanical equipment part field, specially a kind of piston shoes baffle.
Background technology
Hydraulic pump provides a kind of Hydraulic Elements of fluid under pressure for hydraulic drive, is one kind of pump；Its function is dynamic
The mechanical energy of power machine is converted into the pressure energy of liquid；Plunger is the core component in plunger pump, is used cooperatively with piston shoes component；
There are one pocket, plunger round end to be placed in the pocket piston shoes, realizes that plunger round end carries out rotational motion in pocket, and
Piston shoes mouth is open, therefore to coordinate receipts between piston shoes and plunger round end, and plunger round end is shunk and is realized in piston shoes
Gap rotating function；It is bonded with tooling by piston shoes crimp and after rolling with the spherical outside surface of bulb, which is known as packet ball, so
And during packet ball, the Internal Hole Deformation of piston shoes is uneven, and piston shoes Internal Spherical Surface is made with bulb spherical outside surface to be difficult fully to be bonded, is caused
Contact position is higher than pressing, concentrated wear aggravation, while piston shoes are during bulb is pushed and pulled, shock loading suffered by spherical surface and
Alternating load is very big, due to the deformation of plastic material, is easily opened at the spherical surface closing in of plastic material piston shoes, makes piston shoes and bulb
Gap increases, and plunger effective stroke shortens, and the flow-reduction of pump, piston shoes are completely disengaged with plunger when serious, i.e., so-called " de- boots
Phenomenon ", eventually leading to pump cannot work, and to prevent the generation of " de- boots phenomenon ", raising piston shoes are used cooperatively reliable with bulb
Property, it is badly in need of designing a kind of anticreep boots baffle.
Invention content
The object of the present invention is to provide a kind of piston shoes baffles, overcome piston shoes that lacking for " de- boots phenomenon " occurs when coordinating with bulb
Point improves the reliability that plunger piston slippery boots use, solves deficiency of the prior art.
To achieve the above object, the present invention provides following technical solution：A kind of piston shoes baffle, including ontology, plunger hole, in
Heart hole, ontology is in the form of annular discs, and right end has frustum, and circle centre position is provided with centre bore, and between ontology outer circle and centre bore inner circle
Equally distributed plunger hole is offered on annulus；The ontology outside diameter is 82.98-83.02mm, and cylindricity is less than or equal to
0.02mm, body thickness 6mm, and outer round surface and left end face be in 16 ° of angles, with A datum levels to ontology right end face
For 2.3-2.7mm, ontology left end face surface roughness is less than or equal to 2.5 μm, and A datum levels surface roughness is less than or equal to 1.6 μ
M, and ontology left end face, A datum levels, the right end face depth of parallelism are less than or equal to 0.02mm, verticality is less than or equal to 0.05mm, this
The body right end a diameter of 36.14mm of frustum bottom cylindrical, top outside diameter are 34.2mm, and outer round surface is tilted in 20 ° of angles,
In A datum levels and frustum bottom junctions, depth is provided with as 0.1-0.3mm, maximum width is the annular groove of 2mm, in ontology
Outer circle side is uniformly provided with three a diameter of 4mm, and depth is the half slot of 2.2mm, and each two half slot center of circle is in 120 ° of angles；
The plunger hole at least offers 9, a diameter of 17-17.05mm, and surface roughness is less than or equal to 1.6 μm, position degree diameter
Less than or equal to 0.02mm, the center of circle of each two plunger hole is in 39.5-40.5 ° of angle, the center of circle of plunger hole to ontology circle center distance
For 60.3-60.7mm；The centre bore is divided into that two-stage is stepped, and the depth of center hole on the left of ontology is 1mm, and left side outer circle is straight
Diameter is 36.8-37mm, a diameter of 36.3mm of inner circle, and the depth of center hole on the right side of ontology is 5mm, and inner face is a diameter of
33.7mm, the sphere of 2.4mm connects formed spherical end surface to the centre of sphere on the left of mandrel in the body, and circularity is less than or equal to
0.005mm, surface roughness after grinding are less than or equal to 0.4 μm；All burrs are removed after piston shoes baffle machines, also
Conditioned processing is needed, makes its hardness for HB220-250, QPQ case hardness HV600-750, compound depth is 15-20 μm.
Preferably, the piston shoes baffle uses 42CrMo materials.
It is same as the prior art or the prior art can be used realized that part is not directed in the invention.
Compared with prior art, beneficial effects of the present invention are as follows：A kind of piston shoes baffle, including ontology, plunger hole, center
Hole, ontology is in the form of annular discs, and right end has frustum, and circle centre position is provided with centre bore, and the circle between ontology outer circle and centre bore inner circle
Equally distributed plunger hole is offered on ring；It is cooperated by plunger, piston shoes, piston shoes baffle, in piston shoes and plunger action,
The shortcomings that making its action smooth by piston shoes baffle, stablize, preventing " de- boots phenomenon ", raising plunger piston slippery boots use reliable
Property.
Description of the drawings
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon.
Fig. 1 is a kind of piston shoes baffle overall structure schematic front view；
Fig. 2 is a kind of piston shoes baffle body II close-up schematic views；
Fig. 3 is that schematic diagram is cutd open in a kind of piston shoes baffle overall structure side；
Fig. 4 is a kind of piston shoes baffle body I close-up schematic views.
Figure label explanation:1 it is ontology, 2 is hole centered on plunger hole, 3.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments, is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that term " on ", " under ", "front", "rear", "left", "right", " top ",
The orientation or position relationship of the instructions such as " bottom ", " interior ", " outer " are based on orientation shown in the drawings or position relationship, merely to just
In the description present invention and simplify description rather than instruction or imply signified device or element must have specific orientation, with
Specific azimuth configuration and operation, therefore be not considered as limiting the invention.
- 4 are please referred to Fig.1, a kind of piston shoes baffle, including ontology 1, plunger hole 2, centre bore 3, ontology 1 is in the form of annular discs, right end
There is frustum, circle centre position is provided with centre bore 3, and offers and be uniformly distributed on the annulus between 3 inner circle of 1 outer circle of ontology and centre bore
Plunger hole 2；1 outside diameter of ontology is 82.98-83.02mm, and cylindricity is less than or equal to 0.02mm, body thickness 6mm, and
Outer round surface and left end face in 16 ° of angles, using A datum levels to 1 right end face of ontology as 2.3-2.7mm, 1 left-hand end of ontology
Face surface roughness is less than or equal to 2.5 μm, and A datum levels surface roughness is less than or equal to 1.6 μm, and 1 left end face of ontology, A bases
Quasi- face, the right end face depth of parallelism are less than or equal to 0.02mm, and verticality is less than or equal to 0.05mm, 1 right end frustum bottom cylindrical of ontology
A diameter of 36.14mm, top outside diameter are 34.2mm, and outer round surface is tilted in 20 ° of angles, in A datum levels and frustum bottom
Portion junction is provided with depth as 0.1-0.3mm, and maximum width is the annular groove of 2mm, is uniformly provided in 1 outer circle side of ontology
Three a diameter of 4mm, depth are the half slot of 2.2mm, and each two half slot center of circle is in 120 ° of angles；Plunger hole 2 at least opens up
There are 9, a diameter of 17-17.05mm, surface roughness is less than or equal to 1.6 μm, and position degree diameter is less than or equal to 0.02mm, often
The center of circle of two plunger holes 2 is in 39.5-40.5 ° of angle, and the center of circle of plunger hole 2 to 1 circle center distance of ontology is 60.3-60.7mm；
Centre bore 3 divides stepped for two-stage, and 3 depth of centre bore in the left side of ontology 1 is 1mm, and left side outside diameter is 36.8-37mm,
The a diameter of 36.3mm of inner circle, 3 depth of centre bore on 1 right side of ontology is 5mm, and inner face is a diameter of 33.7mm, and the centre of sphere is at this
The sphere of 2.4mm connects formed spherical end surface on the left of 1 central shaft of body, and circularity is less than or equal to 0.005mm, surface after grinding
Roughness is less than or equal to 0.4 μm；All burrs are removed after piston shoes baffle machines, also need conditioned processing, make it hard
It spends for HB220-250, QPQ case hardness HV600-750, compound depth is 15-20 μm.
In summary：A kind of piston shoes baffle, including ontology 1, plunger hole 2, centre bore 3, ontology 1 is in the form of annular discs, and right end has
Frustum, circle centre position are provided with centre bore 3, and are begun on the annulus between 3 inner circle of 1 outer circle of ontology and centre bore equally distributed
Plunger hole 2；It is cooperated by plunger, piston shoes, piston shoes baffle, in piston shoes and plunger action, makes it dynamic by piston shoes baffle
The shortcomings that making smooth, stabilization, preventing " de- boots phenomenon ", improves the reliability that plunger piston slippery boots use.
The basic principles, main features and the advantages of the invention have been shown and described above, for this field skill
For art personnel, it is clear that the present invention is not limited to the details of above-mentioned exemplary embodiment, and without departing substantially from the present invention spirit or
In the case of essential characteristic, the present invention can be realized in other specific forms；Therefore, in all respects, should all incite somebody to action
Embodiment regards exemplary as, and is non-limiting, the scope of the present invention by appended claims rather than on state
Bright restriction, it is intended that including all changes falling within the meaning and scope of the equivalent requirements of the claims in the present invention
It is interior, any reference numeral in claim should not be considered as to the involved claim of limitation.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in each embodiment can also be properly combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (2)
1. a kind of piston shoes baffle, including ontology, plunger hole, centre bore, it is characterised in that：The ontology is in the form of annular discs, and right end has
Frustum, circle centre position is provided with centre bore, and offers equally distributed column on the annulus between ontology outer circle and centre bore inner circle
Consent；The ontology outside diameter is 82.98-83.02mm, and cylindricity is less than or equal to 0.02mm, body thickness 6mm, and outer
Circular surfaces and left end face in 16 ° of angles, using A datum levels to ontology right end face as 2.3-2.7mm, ontology left end face table
Surface roughness be less than or equal to 2.5 μm, A datum levels surface roughness be less than or equal to 1.6 μm, and ontology left end face, A datum levels,
The right end face depth of parallelism is less than or equal to 0.02mm, and verticality is less than or equal to 0.05mm, and ontology right end frustum bottom cylindrical is a diameter of
36.14mm, top outside diameter are 34.2mm, and outer round surface is tilted in 20 ° of angles, connect in A datum levels with frustum bottom
Place is provided with depth as 0.1-0.3mm, and maximum width is the annular groove of 2mm, and three diameters are uniformly provided in ontology outer circle side
For 4mm, depth is the half slot of 2.2mm, and each two half slot center of circle is in 120 ° of angles；The plunger hole at least offers 9,
A diameter of 17-17.05mm, surface roughness are less than or equal to 1.6 μm, and position degree diameter is less than or equal to 0.02mm, each two column
The center of circle of consent is in 39.5-40.5 ° of angle, and the center of circle of plunger hole to ontology circle center distance is 60.3-60.7mm；The centre bore
It is divided into that two-stage is stepped, the depth of center hole on the left of ontology is 1mm, and left side outside diameter is 36.8-37mm, and inner circle is a diameter of
36.3mm, the depth of center hole on the right side of ontology are 5mm, and inner face is a diameter of 33.7mm, and the centre of sphere is in the body on the left of mandrel
The sphere of 2.4mm connects formed spherical end surface, and circularity is less than or equal to 0.005mm, and surface roughness after grinding is less than etc.
In 0.4 μm；All burrs are removed after piston shoes baffle machines, also need conditioned processing, it is HB220- to make its hardness
250, QPQ case hardness HV600-750, compound depth are 15-20 μm.
2. a kind of piston shoes baffle according to claim 1, it is characterised in that：The piston shoes baffle uses 42CrMo materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711408440.0A CN108167175A (en) | 2017-12-22 | 2017-12-22 | A kind of piston shoes baffle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711408440.0A CN108167175A (en) | 2017-12-22 | 2017-12-22 | A kind of piston shoes baffle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108167175A true CN108167175A (en) | 2018-06-15 |
Family
ID=62523699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711408440.0A Pending CN108167175A (en) | 2017-12-22 | 2017-12-22 | A kind of piston shoes baffle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108167175A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0274251A1 (en) * | 1986-12-12 | 1988-07-13 | Honda Giken Kogyo Kabushiki Kaisha | Hydraulically operated swash-type apparatus |
| US5381724A (en) * | 1991-01-28 | 1995-01-17 | Honda Giken Kogyo Kabushiki Kaisha | Swash-plate, plunger-type hydraul pressure apparatus |
| CN101573532A (en) * | 2007-01-05 | 2009-11-04 | 罗伯特·博世有限公司 | Hydraulic piston engine |
| US20110094375A1 (en) * | 2002-11-15 | 2011-04-28 | Josef Beck | Axial piston machine, recoil plate and method of manufacturing a recoil plate |
-
2017
- 2017-12-22 CN CN201711408440.0A patent/CN108167175A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0274251A1 (en) * | 1986-12-12 | 1988-07-13 | Honda Giken Kogyo Kabushiki Kaisha | Hydraulically operated swash-type apparatus |
| US5381724A (en) * | 1991-01-28 | 1995-01-17 | Honda Giken Kogyo Kabushiki Kaisha | Swash-plate, plunger-type hydraul pressure apparatus |
| US20110094375A1 (en) * | 2002-11-15 | 2011-04-28 | Josef Beck | Axial piston machine, recoil plate and method of manufacturing a recoil plate |
| CN101573532A (en) * | 2007-01-05 | 2009-11-04 | 罗伯特·博世有限公司 | Hydraulic piston engine |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180615 |