CN209115666U - A kind of machine oil pump packing and high-pressure oil pump - Google Patents
A kind of machine oil pump packing and high-pressure oil pump Download PDFInfo
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- CN209115666U CN209115666U CN201821670098.1U CN201821670098U CN209115666U CN 209115666 U CN209115666 U CN 209115666U CN 201821670098 U CN201821670098 U CN 201821670098U CN 209115666 U CN209115666 U CN 209115666U
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- oil pump
- sealing bar
- pressure oil
- machine oil
- sealing
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Abstract
The utility model relates to technical field of mechanical, it is intended to which the problem for improving machine oil pump packing leakproofness deficiency in the prior art provides a kind of machine oil pump packing and high-pressure oil pump.Machine oil pump packing provided by the utility model, it includes shim body and the high pressure oil hole that is provided in shim body, the circumferential direction of high pressure oil hole is provided at least two first sealing bars, at least two first sealing bars join end to end the radial outside that high pressure oil hole is arranged in annular in shape respectively, it is equivalent to and is provided at least twice protecting wall outside high pressure oil hole, in use, when oil pressure is excessive, when first layer protecting wall being caused to fail, it can guarantee sealing performance by second protecting wall, to prevent the possibility that oil leakage occurs in use.
Description
Technical field
The utility model relates to technical field of mechanical, in particular to a kind of machine oil pump packing and high pressure oil
Pump.
Background technique
Numerous mechanical equipments, such as engine need high-speed motion in use, in order to guarantee the normal of machinery
Work reduces frictional resistance, mitigates abrasion, often is needing to cover lubricating oil in friction surface, is enabling lubricating oil in metal
Surface forms oil film.
Lubricating oil pump is the device for promoting machine oil hydraulic, and irreplaceable role is played in lubricating system, by setting
Setting gasket prevents oil leakage.However existing gasket, when lubricating oil oil pressure is higher, sealing performance declines, or even can
Sealing force deficiency can occur and then lead to the problem of oil leakage phenomenon occur.
Utility model content
The purpose of this utility model includes providing a kind of machine oil pump packing, to improve machine oil pump seal in the prior art
Pad occurs leakproofness deficiency when oil pressure is higher, leads to the problem of oil leak.
The purpose of this utility model further includes providing a kind of high-pressure oil pump, which includes above-mentioned machine oil pump seal
Pad.
The embodiments of the present invention are achieved in that
A kind of machine oil pump packing comprising shim body and the high pressure oil hole being provided in the shim body；Edge
The circumferential direction of the high pressure oil hole is provided at least two first sealing bars, and first sealing bar joins end to end annularly；At least
Two the first sealing bar being arranged radially along the high pressure oil hole.
In one embodiment of the utility model:
It sets gradually along the radial direction of the high pressure oil hole there are three first sealing bar.
In one embodiment of the utility model:
In above-mentioned two neighboring first sealing bar, positioned at first sealing bar outer ring of radially inner side and positioned at diameter
The first sealing bar inner ring connection outward.
In one embodiment of the utility model:
The height of above-mentioned first sealing bar is 0.07-0.11mm.
In one embodiment of the utility model:
Above-mentioned first sealing bar and the shim body are integrally formed by punching press.
In one embodiment of the utility model:
The radial outside of above-mentioned first sealing bar is provided with fluorine rubber coating, and the fluorine rubber coating joins end to end in ring
Shape, and be arranged with outermost first sealing bar interval.
In one embodiment of the utility model:
The second sealing bar is additionally provided in above-mentioned fluorine rubber coating, second sealing bar is along the fluorine rubber coating
Extending direction joins end to end.
In one embodiment of the utility model:
Low pressure oil hole is also provided in above-mentioned shim body, the radial outside of the low pressure oil hole is provided with third sealing
Muscle, the third sealing bar join end to end annularly.
In one embodiment of the utility model:
Positioning through hole is also provided in above-mentioned shim body.
A kind of high-pressure oil pump, including any one of the above machine oil pump packing.
The beneficial effect of the utility model embodiment includes:
The machine oil pump packing that the embodiments of the present invention provide comprising shim body and be provided with shim body
On high pressure oil hole, the circumferential direction of high pressure oil hole is provided at least two first sealing bars, at least two first sealing bars difference
Join end to end the radial outside that high pressure oil hole is arranged in annular in shape, is equivalent to and is provided at least twice protection outside high pressure oil hole
Wall when oil pressure is excessive, and first layer protecting wall is caused to fail, can guarantee sealing by second protecting wall in use
Performance, to prevent the possibility that oil leakage occurs in use.
High-pressure oil pump provided by the utility model including above-mentioned machine oil pump packing, therefore also has a good seal performance, energy
Enough prevent the beneficial effect of oil leakage.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the overall structure diagram for the machine oil pump packing that the utility model embodiment 1 provides；
Fig. 2 is the schematic diagram of the section structure at II-II place in Fig. 1；
Fig. 3 is the partial structurtes enlarged diagram in Fig. 2 at III；
Fig. 4 is the schematic diagram of the section structure at IV-IV place in Fig. 1.
Icon: 010- machine oil pump packing；100- shim body；The first gasket part of 110-；The second gasket part of 120-；
130- mounting hole；140- high pressure oil hole；150- location hole；160- low pressure oil hole；The first sealing bar of 210-；220- second is sealed
Muscle；230- third sealing bar；240- fluorine rubber coating.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the utility model embodiment, it should be noted that term " first ", " second " etc. are only used for distinguishing
Description, is not understood to indicate or imply relative importance.
In the description of the utility model embodiment, it is also necessary to which explanation is unless specifically defined or limited otherwise, art
Language " setting ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally connect
It connects；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can
To be the connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition
Concrete meaning in the present invention.
Embodiment 1
Fig. 1 is the overall structure diagram of machine oil pump packing 010 provided in this embodiment, and Fig. 2 is II-II place in Fig. 1
The schematic diagram of the section structure.Incorporated by reference to referring to Figures 1 and 2, present embodiments providing a kind of machine oil pump packing 010 comprising
Shim body 100 and the high pressure oil hole 140 being provided in shim body 100, along the circumferential direction of high pressure oil hole 140 be provided with to
Few two the first sealing bars 210, at least two first sealing bars 210 join end to end setting annular in shape in high pressure oil hole respectively
140 radial outside is equivalent to and is provided at least twice protecting wall outside high pressure oil hole 140 and works as oil pressure in use
It is excessive, when first layer protecting wall being caused to fail, it can guarantee sealing performance by second protecting wall, to prevent in use process
The middle possibility that oil leakage occurs.
Machine oil pump packing 010 provided in this embodiment is further described below:
Fig. 1 is please referred to, in the present embodiment, shim body 100 is roughly triangular laminated structure, three of them angle is logical
Cross circular arc smooth transition.It offers a mounting hole 130 respectively on three angles of shim body 100, when installation, connects bolt
Mounting flange and mounting hole 130 across lubricating oil pump are arranged, so that machine oil pump packing 010 is fixedly connected on two installations
Between flange, the sealing of two mounting flange junctions is realized.The particular number of mounting hole 130 and position should on mounting flange
The bolt hole opened up matches, it is possible to understand that, in other embodiments, the quantity of mounting hole 130 can also be set according to demand
It sets, such as is set as 4,6 etc..
It should be noted that be not defined to the shape of shim body 100 herein, it is possible to understand that, it is specific at other
In embodiment, backing plate ontology can also be designed according to the concrete shape of mounting flange, such as according to the shape of mounting flange
Shape sets rectangular, round etc. for shim body 100.
Further, shim body 100 with a thickness of 0.17-0.23mm.Preferably, in the present embodiment, shim body
100 with a thickness of 0.2mm.It should be understood that in other embodiments, it can also according to demand, by the thickness of shim body 100
Other numerical value being set as in 0.17-0.23mm.
Further, location hole 150 is also provided at the middle part of shim body 100.By the way that location hole 150 is arranged, not only
It is able to achieve the accurate positioning of machine oil pump packing 010 during the installation process, and can be prevented in use, due to gasket
Seal failure problem, thus helps to ensure that the sealing performance of machine oil pump packing 010 caused by ontology 100 is subjected to displacement.
Further, the material of shim body 100 is stainless steel.Preferably, in the present embodiment, shim body 100
Material is SUS301 (i.e. 17Cr-7N i).It should be understood that in other embodiments, can also select according to the demand of user
Shim body 100 is made in other stainless steel materials.
Fig. 3 is the partial structurtes enlarged diagram in Fig. 2 at III.It is in the present embodiment, high incorporated by reference to reference Fig. 2 and Fig. 3
Pressure oil hole 140 is provided with the position between location hole 150 and one of mounting hole 130.In the radial outside of high pressure oil hole 140
There are three the first sealing bar 210, three the first sealing bars 210 to set gradually along the radial direction of high pressure oil hole 140 for setting.First sealing
Muscle 210 is in substantially end to end ring-type, along the radially outward direction of high pressure oil hole 140, three the first sealing bars 210
Radial dimension is gradually increased, so along the closed protecting wall of the radially outward formation of high pressure oil hole 140 three, when lubricating oil presses through
Greatly, the first sealing bar 210 failure of radially inner side, when lubricating oil is leaked from first sealing bar 210, due to radial middle part
The first sealing bar 210 sealing function, lubricating oil is still limited in machine oil pump packing 010, do not leak out.It is logical
It crosses setting and the first sealing bar of third road 210 is set in radial outside, further ensure under the action of high oil pressure, lubricating oil is still
It can be well sealed.
It should be noted that in the present embodiment, the quantity of the first sealing bar 210 is three, it is possible to understand that, in other tools
, can also according to the demand of user in body embodiment, the specific quantity that first sealing bar 210 is set, such as by the first sealing bar
210 quantity is set as two, four etc., can be realized the sealing to high pressure oil.
Further, the first sealing bar 210 substantially arc-shaped is raised, in two neighboring first sealing bar 210, is located at
210 outer ring of the first sealing bar of radially inner side is fixedly connected with 210 inner ring of the first sealing bar for being located at radial outside, and three first
Sealing bar 210 is in turn connected to form substantially wavy sealing.It should be understood that in other embodiments, it can also root
According to the demand of user, the specific shape that first sealing bar 210 is set, such as triangular hill is set by the first sealing bar 210,
Three the first sealing bars 210 are in turn connected to form the sealing being substantially serrated, and can guarantee the function of playing multiple-protection
?.
Further, the height h of the first sealing bar 210 is 0.07-0.11mm.Preferably, in the present embodiment, first is close
The height h for sealing muscle 210 is 0.09mm.It should be understood that in other embodiments, it can also be by the height of the first sealing bar 210
Other numerical value being set as in 0.07-0.11mm.Further, the first sealing bar 210 passes through punching press one with shim body 100
Molding.
Fig. 1 is please referred to, in the present embodiment, fluorine rubber coating 240 is additionally provided in shim body 100.Fluorine rubber coating
240 join end to end annularly, are disposed around the circumferential direction of high pressure oil hole 140, further improve sealing performance, prevent lubricating oil from seeping
Leakage.Further, the width of fluorine rubber coating 240 is 3.7-3.8mm.Preferably, in the present embodiment, fluorine rubber coating 240
Width be 3.75mm.Further, for the ease of the setting of fluorine rubber coating 240, guarantee sealing performance, fluorine rubber coating
240 are generally configured as the ring-type of water-drop-shaped, and high pressure oil hole 140 and location hole 150 are arranged in 240 inner ring of fluorine rubber coating.
Referring to figure 2., further, it is coated with the position of fluorine rubber coating 240 in shim body 100, is additionally provided with
Second sealing bar 220, the second sealing bar 220 joins end to end along the extending direction of fluorine rubber coating 240 to be formed and fluorine rubber coating
240 roughly the same drops annulars, to carry out auxiliary seal.Further, the second sealing bar 220 is by shim body 100
It is separated into the first gasket part 110 and the second gasket part 120, the first gasket part 110 and the second gasket part 120 are connected to
Inside and outside two sealing bars 220.Second sealing bar 220 is to set relative to the first gasket part 110 and the inclination of the second gasket part 120
Plate is set, and the second sealing bar 220 and the first sealing bar 210 are located at the same side of the first gasket part 110.Further, second
Sealing bar 220 and shim body 100 are integrally formed by punching press.
Fig. 4 is the schematic diagram of the section structure at IV-IV place in Fig. 1.Incorporated by reference to referring to Fig.1 with Fig. 4, in the present embodiment, pad
Low pressure oil hole 160 is also provided on piece ontology 100, low pressure oil hole 160 and high pressure oil hole 140 are oppositely arranged on location hole 150
Two sides.By opening up the low pressure oil hole 160 passed through for low pressure oil in shim body 100, enable machine oil pump packing 010
Low pressure oil way and high-pressure oil passage are sealed simultaneously.
Further, it is additionally provided with third sealing bar 230 in 160 radial outside of low pressure oil hole, third sealing bar 230 is substantially
In end to end annular.Since the lubrication pressure passed through in low pressure oil hole 160 is lower, by the number of third sealing bar 230
Amount is set as the seal request that just can satisfy at low pressure oil hole 160.It should be understood that in other embodiments, it can also
With according to the quantity of the specific oil pressure setting third sealing bar 230 of lubricating oil in low pressure oil hole 160, such as by third sealing bar
230 quantity is set as two, and two third sealing bars 230 are disposed around low pressure oil hole 160 along the radial direction of low pressure oil hole 160
Outside can satisfy the sealing demand of low pressure oil hole 160.
Further, it is coated with fluorine rubber coating 240 in the radial outside of third sealing bar 230, further ensured low
Sealing performance at pressure oil hole 160.
The machine oil pump packing 010 provided in the embodiments of the present invention when processing, first carries out stainless steel thin slice
Blanking processing, is allowed to form gasket raw material identical with 100 shape of shim body；After carrying out high-temperature process to gasket raw material,
Primary coats are carried out in two sides of gasket raw material, and by the gasket raw material stoving after primary coat；Then in two sides of gasket raw material
Serigraphy is carried out, and is vulcanized；Gasket raw material after vulcanization carries out face painting；Blanking again is then carried out, high pressure oil hole is processed
140 and low pressure oil hole 160 etc.；Punching press finally is carried out to gasket raw material, is allowed to form the first sealing bar 210, the second sealing bar 220
With third sealing bar 230.Manufacturing procedure is simple, processing cost is low.It is first close by the way that three are arranged outside high pressure oil hole 140
The case where sealing muscle 210, being equivalent to and three protection are provided with to high pressure oil hole 140,140 oil leak of high pressure oil hole can be effectively prevent,
And by the way that fluorine rubber coating 240 and the second sealing bar 220 are arranged outside the first sealing bar 210, sealing is further improved
Performance.Test data shows that in static pressure sealing experiment, machine oil pump packing 010 bears not having when static pressure 400Mpa
There is leakage, experimental result is qualified；In circulating pressure sealing experiment, machine oil pump packing 010 is born between 0-240Mpa
1000000 circulating pressure pulses, there is no leakage, experimental result is qualified.
The embodiments of the present invention additionally provide a kind of high-pressure oil pump (not shown go out) comprising above-mentioned lubricating oil pump is close
Packing 010.Since the high-pressure oil pump includes above-mentioned machine oil pump packing 010, also with sealing effect is good, is able to bear
The beneficial effect of higher oil pressure.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of machine oil pump packing characterized by comprising
Shim body and the high pressure oil hole being provided in the shim body；Circumferential direction along the high pressure oil hole is provided at least
Two the first sealing bars, first sealing bar join end to end annularly；At least two first sealing bars are along the high pressure
Oilhole is arranged radially.
2. machine oil pump packing according to claim 1, it is characterised in that:
It sets gradually along the radial direction of the high pressure oil hole there are three first sealing bar.
3. machine oil pump packing according to claim 1, it is characterised in that:
In two neighboring first sealing bar, positioned at first sealing bar outer ring of radially inner side and positioned at radial outside
The first sealing bar inner ring connection.
4. machine oil pump packing according to claim 1, it is characterised in that:
The height of first sealing bar is 0.07-0.11mm.
5. machine oil pump packing according to claim 1, it is characterised in that:
First sealing bar and the shim body are integrally formed by punching press.
6. machine oil pump packing according to claim 1, it is characterised in that:
The radial outside of first sealing bar is provided with fluorine rubber coating, and the fluorine rubber coating joins end to end annularly, and
It is arranged with outermost first sealing bar interval.
7. machine oil pump packing according to claim 6, it is characterised in that:
The second sealing bar is additionally provided in the fluorine rubber coating, second sealing bar is along the extension side of the fluorine rubber coating
To joining end to end.
8. machine oil pump packing according to claim 1, it is characterised in that:
Low pressure oil hole is also provided in the shim body, the radial outside of the low pressure oil hole is provided with third sealing bar, institute
Third sealing bar is stated to join end to end annularly.
9. machine oil pump packing according to claim 1, it is characterised in that:
Positioning through hole is also provided in the shim body.
10. a kind of high-pressure oil pump, it is characterised in that:
The high-pressure oil pump includes such as the described in any item machine oil pump packings of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821670098.1U CN209115666U (en) | 2018-10-15 | 2018-10-15 | A kind of machine oil pump packing and high-pressure oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821670098.1U CN209115666U (en) | 2018-10-15 | 2018-10-15 | A kind of machine oil pump packing and high-pressure oil pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209115666U true CN209115666U (en) | 2019-07-16 |
Family
ID=67201039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821670098.1U Active CN209115666U (en) | 2018-10-15 | 2018-10-15 | A kind of machine oil pump packing and high-pressure oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209115666U (en) |
-
2018
- 2018-10-15 CN CN201821670098.1U patent/CN209115666U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |