CN208348140U - A kind of water pump shaft connecting bearings device - Google Patents
A kind of water pump shaft connecting bearings device Download PDFInfo
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- CN208348140U CN208348140U CN201820684684.5U CN201820684684U CN208348140U CN 208348140 U CN208348140 U CN 208348140U CN 201820684684 U CN201820684684 U CN 201820684684U CN 208348140 U CN208348140 U CN 208348140U
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- outer ring
- locking groove
- shaft connecting
- water pump
- pump shaft
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 111
- 238000005096 rolling process Methods 0.000 claims abstract description 29
- 239000007788 liquid Substances 0.000 claims abstract description 28
- 239000002826 coolant Substances 0.000 claims abstract description 24
- 125000004122 cyclic group Chemical group 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract description 37
- 238000001746 injection moulding Methods 0.000 abstract description 26
- 229920006351 engineering plastic Polymers 0.000 abstract description 25
- 230000000694 effects Effects 0.000 abstract description 10
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- 238000012545 processing Methods 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 5
- 230000006872 improvement Effects 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 23
- 239000010959 steel Substances 0.000 description 23
- 238000009434 installation Methods 0.000 description 14
- 238000002347 injection Methods 0.000 description 8
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- 238000004220 aggregation Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 230000002528 anti-freeze Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
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- 238000005245 sintering Methods 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 108010053481 Antifreeze Proteins Proteins 0.000 description 1
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- 241000222712 Kinetoplastida Species 0.000 description 1
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 241001661355 Synapsis Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
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- 229910052804 chromium Inorganic materials 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model belongs to automobile engine water pump shaft connecting bearing technical field, it is related to a kind of water pump shaft connecting bearings device, including outer ring, mandrel, rolling element, locking groove, threaded hole, plug screw, drain hole, water seal and coolant liquid, the structure of water pump shaft connecting bearings is improved, structure improvement especially has been carried out to the outer ring cooperated with injection-moulded housing, the cricoid locking groove with set depth is processed on the outer diameter of outer ring, locking groove slot bottom carries out rolling straight grain processing, when injection molding, engineering plastics are filled into the inside of locking groove, it is in close contact with outer ring, even if engineering plastics are different from the material thermal expansion coefficient of locking groove, due to the effect of locking groove, engineering plastics will not be generated with locking groove to be separated and sliding phenomenon, improve the bond strength of outer ring and injection-moulded housing, using the form of shaft connecting bearing integrated water seal, improve water pump Waterproof performance；Its structure is simple, has the advantage for being easily installed and repairing, sealing effect is good, long service life.
Description
Technical field:
The utility model belongs to automobile engine water pump shaft connecting bearing technical field, and in particular to a kind of water pump shaft connecting bearings
Device, preparatory integrated installation have water seal, and direct injection molding is inlaid in engineering plastics enclosure interior, can simplify the knot of water pump
Structure.
Background technique:
Water pump shaft connecting bearings are made of outer ring, axis, rolling element, retainer, lubricating grease, sealing ring etc., are pacified in one end of axis
Water seal and impeller are filled, and in the other end of axis, belt pulley or ring flange are installed.Either impeller, the water of axis one end installation
Envelope or the other end of belt pulley of axis are mounted on smooth axis by interference fit.Conventional shaft connecting bearing is selected
Steel be high-carbon-chromium bearing steel because the smelting of high-quality bearing steel is by vacuum deaeration, electromagnetic agitation, oxide content compared with
It is few, biggish high change tensile stress, after heat treatment, the rolling of axis can also be born while can bear biggish contact compression
Road hardness is 58-62HRC, and outer ring raceway hardness is 60-64HRC, and steel ball and roller hardness are 61-65HRC, when axis and outer ring are adopted
When with carburizing bearing steel making, raceway hardness is 60-64HRC, and frame material is kept usually to select reinforced PA66, the material of sealing ring
Material generally uses nitrile rubber, and when more demanding, viton seal ring also can be selected.Chinese patent 201721079302.8 is public
A kind of stamping forming water pump shaft connecting bearings opened include central spindle and outer ring, and one end of central spindle protrusion outer ring is fixed for impeller
End, the end wall of the central spindle other end are provided with mounting hole, and the mounting hole and central spindle are coaxially disposed；The mounting hole inner sidewall
Protrusion is provided with fixed block；Belt shaft is inserted in the mounting hole, the belt shaft lateral wall is provided with and fixed block outside
The fixing groove that wall fits；A kind of single-row water pump shaft connecting bearings disclosed in Chinese patent 201721266125.4 include mandrel and outer
Circle, is provided with rolling element, the retainer for installing rolling element is additionally provided on the bearing between the mandrel and outer ring；Institute
The two sides for stating rolling element are respectively arranged with the first sealing ring and the second sealing ring；First sealing ring and the second sealing ring are located at
Between mandrel and outer ring；A kind of water pump shaft connecting bearings of the outer ring with injection slot disclosed in Chinese patent 201720501167.5 include
Mandrel and outer ring, outer ring are coated on the outside of mandrel, and rolling element is equipped between mandrel and outer ring, and outer ring is fixed on by interference fit
In casing, outer ring outer wall has injection slot, and axial direction of the injection slot along outer ring is arranged, and sizing material can be accommodated in injection slot, by sizing material
The interference fit of outer ring and casing is enhanced.Rolling element includes roller and steel ball, and roller is installed in by roller cage
Between mandrel and outer ring, steel ball is installed between mandrel and outer ring by ball retainer, and outer ring both ends are respectively equipped with sealing ring,
Sealing ring inner wall is attached at mandrel surface, and the position of injection slot occupy between roller and steel ball；Chinese patent
A kind of asymmetric angular contact ball water pump shaft connecting bearings disclosed in 201720483273.5 include mandrel, outer ring, and outer ring is coated on core
On the outside of axis, the first retainer and the second retainer, phase between the first retainer and the second retainer are equipped between mandrel and outer ring
Mutually parallel, the steel ball quantity in the first retainer is greater than the steel ball quantity in the second retainer.There is on the inside of outer ring the first channel and the
Two channels, the first retainer are located on the inside of the first channel, and the second retainer is located on the inside of the second channel, the outer side edges of the first channel
With opening face, the steel ball quantity in first retainer of bearing is greater than the steel ball quantity in the second retainer, energy at the first retainer
Enough bear biggish load；A kind of novel water pump for automobile shaft connecting bearing disclosed in Chinese patent 201420012778.X by outer ring,
Mandrel, rolling element, roller cage, ball retainer and sealing ring composition, coaxially connected mandrel in the outer ring, in outer ring and
Two rows of rolling elements are provided between mandrel, rolling element includes steel ball and roller, and the both ends of roller are mounted with roller cage, steel ball
Side be mounted with ball retainer, sealing ring shares 3, and two sealing rings are placed in the right side of outer ring, another sealing ring peace
It sets in the left side of outer ring；A kind of water pump shaft connecting bearings disclosed in Chinese patent 201420342934.9 are by outer ring, axis, steel ball, guarantor
Holder, cylindrical roller, sealing element composition, the inner orbit of bearing steel ball are directly opened on axis, and steel ball is mounted between inside and outside track,
It is fixed with retainer with the position between group steel ball, two sides of bearing are sealed with sealing element, and one end of bearing is gear end,
The other end is impeller end, and the sealing element close to gear end is oil sealing, and the sealing element close to impeller end is sealing ring；Chinese patent
A kind of water pump shaft connecting bearings of the axis with external splines double row angular contact disclosed in 201320654619.5 include outer ring, axis, rolling element,
Retainer, sealing ring, wherein two outer rollaway nests are set on the internal diameter of the outer ring, set on the outer diameter of the axis there are two with outer rolling
The corresponding interior rollaway nest in road, the spacing of two outer rollaway nests are greater than the spacing of two interior rollaway nests, and retainer is mounted between outer ring and axis,
Rolling element is mounted in the raceway between outer ring and axis by retainer, and the rolling element and the outer rollaway nest, interior rollaway nest connect
Contact shape is at an angle；The two sides of outer ring internal diameter are equipped with a dust seal slot, and dust seal slot position is in two outer rollaway nest of outer ring
Outside；The outer diameter of the sealing ring is embedded in dust seal slot, and the internal diameter and axis of sealing ring are interference fitted；The axis is enterprising
One step is equipped with an involute outer spline, and involute spline is arranged on the outer diameter of step of water pump shaft connecting bearings flange end；It is Chinese special
A kind of water pump shaft connecting bearings with throw rijng composite seal structure disclosed in benefit 201320654616.1 include outer ring, axis,
The compound sealing structure of rolling element, retainer, flange end sealing ring and impeller end with throw rijng, wherein the internal diameter of the outer ring
On set two outer rollaway nests, set on the outer diameter of the axis there are two interior rollaway nest corresponding with outer rollaway nest, retainer be mounted on outer ring and
Between axis, rolling element is mounted in the raceway between outer ring and axis by retainer；The two sides of the outer ring internal diameter are equipped with one
Dust seal slot, dust seal slot position is in the outside of two outer rollaway nest of outer ring；The outer diameter of the flange end sealing ring is embedded in dust-proof
In seal groove, the internal diameter and axis of sealing ring are interference fitted；Compound sealing structure of the impeller end with throw rijng includes sealing ring and gets rid of
Water ring, sealing ring are mounted between dust seal slot and axis, and are interference fit, and throw rijng one end and axis are interference fitted, another
End is interference fitted with sealing ring.
Automobile engine water pump is made of shell, impeller, water seal, shaft connecting bearing, belt pulley etc..Pump shaft is installed on shell
Connecting shaft is held and water seal, and shell is usually that aluminium alloy compression casting forms, and carries out precision machinery to positions such as installation bearing, water seals after die casting
Processing, it is ensured that being capable of precise coordination work after each component installation.Belt pulley and impeller, water seal are installed on the axis of water pump shaft connecting bearings
Inner-diameter portion is mounted on the axis of water pump shaft connecting bearings, and water seal outer diameter is mounted on the precision machined inner surface of shell, two parts
Between rub to form sealing using end face.With the development of material technology, new engineering plastics, such as PPS engineering are had developed
Plastics have many advantages, such as that high temperature resistant, water absorption rate be low, easily molded, light weight, and with the raising of Shooting Technique level, injection molding
Product afterwards does not need to be machined substantially, therefore advantageous in terms of cost yet, can also and thermal management module into
Row is integrated, starts to be widely applied in engine water pump field at present.It is generally not added after the shell injection molding of plastic water pump
Work is to reduce cost, and the thermal expansion coefficient of plastics is different with the thermal expansion coefficient of steel, if be pressed after being molded using shell
The mode of shaft connecting bearing, precision and using effect cannot all be met the requirements, therefore plastic water pump shell is generally in advance by axis connecting shaft
Insertion is held, is then molded, back casing is molded and shaft connecting bearing forms one, can guarantee precision and using effect.It is conventional
Water pump shaft connecting bearings outer ring outer round surface be generally smooth surface, and have passed through Precision Machining, surface roughness is very low, because
This is relatively low with its bond strength after injection molding, is bearing biggish load, or due to plastics and steel after being increased using temperature
Thermal expansion coefficient is different, and the two is easy to produce segregation phenomenon.For plastic water pump, due to after injection molding without machining, because
When this installs water seal between bearing and injection-moulded housing, precision machined level is not achieved in injection molding precision, easily generates peace
Error is filled, water seal seal failure is caused, generates drainage, if carrying out Precision Machining to injection surface, will cause in cost
It rises.Based on problem above, a kind of water pump shaft connecting bearings device of R & D design improves the bond strength with injection-moulded housing, avoids out
Now separation and sliding phenomenon have preferable social and economic benefits, have a extensive future.
Summary of the invention:
The purpose of the utility model is to overcome defects of the existing technology, research and develop a kind of water pump shaft connecting bearings device,
Traditional water pump shaft connecting bearings are improved, the bond strength of enhancing and injection-moulded housing avoids the occurrence of separation and sliding phenomenon,
Improve waterproof performance.
To achieve the goals above, the utility model relates to water pump shaft connecting bearings apparatus main body structure include outer ring, core
Axis, rolling element, locking groove, threaded hole, plug screw, drain hole, water seal and coolant liquid；The outer ring of annular structure is set in cylinder
The middle part of the mandrel of structure, is provided with rolling element between outer ring and mandrel, the outer surface of outer ring offers 1-3 cyclic structure
Locking groove, locking groove slot bottom are ruled surface, and the right end of outer ring offers the threaded hole of circular configuration, is provided with cylinder in threaded hole
The plug screw of header structure, the center of plug screw offer the drain hole of circular configuration, and the right end contact position of outer ring and mandrel is provided with water
Envelope, the structure of water seal include stationary ring and rotating ring, and stationary ring is arranged on inner surface, and rotating ring is arranged on mandrel, are filled out in water seal
Filled with coolant liquid.
The utility model relates to the length of outer ring be 35-60mm, the length than traditional outer ring increases 1/3-1/4；Rolling
Kinetoplast is steel ball or cylindrical roller；The depth of locking groove be 0.5-2mm, when the quantity of locking groove is less than 1, injection-moulded housing with
The bond strength of outer ring is insufficient, and when the quantity of locking groove is greater than 3, processing and injection molding cost can rise；Locking groove slot bottom is rolled
Straight grain processing, can enhance the bond strength of outer ring and injection-moulded housing, and when injection molding, engineering plastics are filled into the inside of locking groove,
Outer ring and engineering plastics are in close contact, and outer ring is in close contact and is engaged, work by the ruled surface of locking groove slot bottom with engineering plastics
The thermal expansion coefficient of engineering plastics is higher than one times of the coefficient of expansion or more of steel, in the case of a high temperature, due to the straight grain of locking groove slot bottom
The effect in face, outer ring will not generate with engineering plastics and separate and slide, and outer ring and engineering plastics is made to become complete part, and
The failure risk of separation will not be generated in use；Threaded hole is located proximate to stationary ring；The effect of plug screw is that prevention threaded hole exists
It is blocked when injection molding by engineering plastics；Drain hole will not be blocked after injection molding by engineering plastics, for discharging the cooling for penetrating into outer ring
Liquid；In injection moulding process, plug screw outstanding can show the position of outer ring, and after injection molding, drain hole is in the bottom of injection-moulded housing, energy
Enough prevent the coolant liquid for causing that leakage can not be drained because of the blocking of drain hole；The sealing of water seal is the smooth end face by stationary ring
What the smooth end face friction with rotating ring was realized；Coolant liquid is anti-freeze cooling liquid.
The utility model relates to water pump shaft connecting bearings device outer ring is extended to water pump vane one end, and to extended outer
Circle inner surface, which carries out Precision Machining, after assembly, can guarantee mandrel and outer ring since inner surface belongs to a part of outer ring
The position precision of inner surface, after injection molding, injection-moulded housing integrally covers outer ring, has fully considered the installation factor of water seal, has met water
The installation requirement of envelope, without the concern for the installation question of water seal in injection moulding process, after injection, shell does not need to carry out
Processing.
The utility model relates to water pump shaft connecting bearings device in use, water pump shaft connecting bearings device rotation drive be mounted on
Impeller rotation on mandrel carries out the conveying of coolant liquid, is sealed between outer ring and impeller using water seal, prevents coolant liquid
Into outer ring inside and lead to the failure of water pump shaft connecting bearings device；Based on this, between water seal has in structure and is quiet
Relative motion, the sealing of water seal are to generate relative motion, friction by the smooth end face friction of the smooth end face and rotating ring of stationary ring
It is lubricated between surface by coolant liquid, prevents high temperature sintering, cause the seal failure of water seal, so, have minute quantity
Coolant liquid leak and gather between stationary ring and outer ring, if the coolant liquid of aggregation penetrates into the inside of outer ring, to rolling element
Lubrication have an impact, cause the failure of pump shaft connecting shaft bearing apparatus；The aluminium alloy compression casting shell of traditional water pump shaft connecting bearings exists
After the die casting of shell, drain hole is pre-machined between shaft connecting bearing and water seal, the coolant liquid of exudation is discharged by drain hole；This
The outer ring for the water pump shaft connecting bearings device that embodiment is related to and the integrated assembly of water seal are integral, have fully considered leakage coolant liquid
Emission problem simplifies the process of shell.
The utility model compared with prior art, improves the structure of water pump shaft connecting bearings, especially to note
The outer ring of plastic housing body cooperation has carried out structure improvement, and the cricoid locking groove with set depth is processed on the outer diameter of outer ring,
Locking groove slot bottom carries out rolling straight grain processing, and when injection molding, engineering plastics are filled into the inside of locking groove, are in close contact with outer ring, i.e.,
Keep engineering plastics different from the material thermal expansion coefficient of locking groove, due to the effect of locking groove, engineering plastics and locking groove are not yet
Separation and sliding phenomenon can be generated, the bond strength of outer ring and injection-moulded housing is improved, meanwhile, using shaft connecting bearing integrated water seal
Form, improve the waterproof performance of water pump；Its structure is simple, has the advantage for being easily installed and repairing, and sealing effect is good, uses
Service life is long.
Detailed description of the invention:
Fig. 1 is the main structure schematic illustration of the utility model.
Fig. 2 is the main structure schematic illustration of traditional water pump shaft connecting bearings.
Specific embodiment:
It is described in further detail with reference to the accompanying drawing and by embodiment to the utility model.
Embodiment 1:
The main structure for the water pump shaft connecting bearings device that the present embodiment is related to includes outer ring 1, mandrel 2, rolling element 3, stop
Slot 4, threaded hole 6, plug screw 7, drain hole 8, water seal 9 and coolant liquid 13；The outer ring 1 of annular structure is set in cylindrical structure
Mandrel 2 middle part, rolling element 3 is provided between outer ring 1 and mandrel 2, the outer surface of outer ring 1 offers 1-3 cyclic structure
Locking groove 4, locking groove slot bottom 5 is ruled surface, and the right end of outer ring 1 offers the threaded hole 6 of circular configuration, set in threaded hole 6
It is equipped with the plug screw 7 of cylinder header structure, the center of plug screw 7 offers the drain hole 8 of circular configuration, and outer ring 1 and the right end of mandrel 2 connect
Synapsis is provided with water seal 9, and the structure of water seal 9 includes stationary ring 10 and rotating ring 11, and stationary ring 10 is arranged on inner surface 12, rotating ring
11 are arranged on mandrel 2, and coolant liquid 13 is filled in water seal 9.
The length for the outer ring 1 that the present embodiment is related to is 35-60mm, and the length than traditional outer ring increases 1/3-1/4；It rolls
Body 3 is steel ball or cylindrical roller；The depth of locking groove 4 be 0.5-2mm, when the quantity of locking groove 4 is less than 1, injection-moulded housing with
The bond strength of outer ring 1 is insufficient, and when the quantity of locking groove 4 is greater than 3, processing and injection molding cost can rise；Locking groove slot bottom 5 into
Row rolling straight grain processing, can enhance the bond strength of outer ring 1 Yu injection-moulded housing, and when injection molding, engineering plastics are filled into locking groove 4
Inside, outer ring 1 and engineering plastics are in close contact, outer ring 1 and engineering plastics be in close contact by the ruled surface of locking groove slot bottom 5 and
Occlusion, the thermal expansion coefficient of engineering plastics is higher than one times of the coefficient of expansion or more of steel, in the case of a high temperature, due to locking groove slot bottom
The effect of 5 ruled surface, outer ring 1 will not generate with engineering plastics and separate and slide, and outer ring 1 and engineering plastics is made to become complete
Part, and the failure risk of separation will not be generated in use；Threaded hole 6 is located proximate to stationary ring 10；The effect of plug screw 7
It is that prevention threaded hole 6 is blocked in injection molding by engineering plastics；Drain hole 8 will not be blocked after injection molding by engineering plastics, for arranging
Put the coolant liquid 13 for penetrating into outer ring 1；In injection moulding process, plug screw 7 outstanding can show the position of outer ring 1, after injection molding, let out
Water hole 8 can prevent the coolant liquid 13 for causing that leakage can not be drained because of the blocking of drain hole 8 in the bottom of injection-moulded housing；Water
The sealing of envelope 9 is realized by the smooth end face friction of the smooth end face and rotating ring 11 of stationary ring 10；Coolant liquid 13 is antifreeze cold
But liquid.
The water pump shaft connecting bearings device that the present embodiment is related to is compared with traditional water pump shaft connecting bearings shown in Fig. 2, tradition
Water pump shaft connecting bearings use aluminium alloy compression casting shell, the mounting hole of shaft connecting bearing mounting hole and water sealing stationary ring uses Precision Machining
It is primary to complete, so, after shaft connecting bearing installation, then water seal is installed, the installation accuracy of water seal is sufficiently ensured, and avoids water
The leak of envelope；And the water pump shaft connecting bearings device that the present embodiment is related to uses engineering plastics injection-moulded housing, outer ring 1 and shell injection molding
One is formed afterwards, and the plastic casing of the subsequent water seal 9 installed again, 10 installation section of stationary ring of water seal 9 can not be processed, shell injection molding
Precision not can guarantee the installation requirement of water seal 9, so, leak can occur for water seal 9, not can guarantee the normal use of water pump；For
The installation question of water seal 9 is solved, the water pump shaft connecting bearings device that the present embodiment is related to prolongs outer ring 1 to water pump vane one end
It is long, and Precision Machining is carried out to extended inner surface 12, since inner surface 12 belongs to a part of outer ring 1, assembly
Afterwards, the position precision that can guarantee mandrel 2 and inner surface 12, after injection molding, injection-moulded housing integrally covers outer ring 1, sufficiently examines
The installation factor for having considered water seal 9, meets the installation requirement of water seal 9, therefore, without the concern for the peace of water seal 9 in injection moulding process
Dress problem, after injection, shell do not need to be processed.
The water pump shaft connecting bearings device that the present embodiment is related to is in use, the rotation of water pump shaft connecting bearings device drives and is mounted on core
Impeller rotation on axis 2 carries out the conveying of coolant liquid 13, is sealed between outer ring 1 and impeller using water seal 9, prevents from cooling down
Liquid 13 enters the inside of outer ring 1 and leads to the failure of water pump shaft connecting bearings device；Based on this, water seal 9 have in structure with it is quiet
Between relative motion, the sealing of water seal 9 be by stationary ring 10 smooth end face and rotating ring 11 smooth end face friction generation phase
It to movement, is lubricated between friction surface by coolant liquid 13, prevents high temperature sintering, cause the seal failure of water seal 9, institute
To have minimal amount of coolant liquid 13 and leak and gather between stationary ring 10 and outer ring 1, if the coolant liquid 13 of aggregation penetrates into
The inside of outer ring 1 has an impact the lubrication of rolling element 3, causes the failure of pump shaft connecting shaft bearing apparatus；Traditional pump shaft connecting shaft
Drain hole is pre-machined after the die casting of shell in the aluminium alloy compression casting shell held between shaft connecting bearing and water seal, exudation it is cold
But liquid is discharged by drain hole；The outer ring 1 for the water pump shaft connecting bearings device that the present embodiment is related to and water seal 9, which integrate, is assembled into one
Body has fully considered the emission problem of leakage coolant liquid 13, has simplified the process of shell.
Claims (1)
1. a kind of water pump shaft connecting bearings device, it is characterised in that main structure includes outer ring, mandrel, rolling element, locking groove, screw thread
Hole, plug screw, drain hole, water seal and coolant liquid；The outer ring of annular structure is set in the middle part of the mandrel of cylindrical structure, outer ring
Rolling element is provided between mandrel, the outer surface of outer ring offers the locking groove of 1-3 cyclic structure, and locking groove slot bottom is straight
Line face, the right end of outer ring offer the threaded hole of circular configuration, are provided with the plug screw of cylinder header structure in threaded hole, in plug screw
The heart offers the drain hole of circular configuration, and the right end contact position of outer ring and mandrel is provided with water seal, and the structure of water seal includes stationary ring
And rotating ring, stationary ring are arranged on inner surface, rotating ring is arranged on mandrel, and coolant liquid is filled in water seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820684684.5U CN208348140U (en) | 2018-05-09 | 2018-05-09 | A kind of water pump shaft connecting bearings device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820684684.5U CN208348140U (en) | 2018-05-09 | 2018-05-09 | A kind of water pump shaft connecting bearings device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208348140U true CN208348140U (en) | 2019-01-08 |
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ID=64888814
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820684684.5U Active CN208348140U (en) | 2018-05-09 | 2018-05-09 | A kind of water pump shaft connecting bearings device |
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| CN (1) | CN208348140U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108412801A (en) * | 2018-05-09 | 2018-08-17 | 青岛泰德汽车轴承股份有限公司 | A kind of water pump shaft connecting bearings device |
-
2018
- 2018-05-09 CN CN201820684684.5U patent/CN208348140U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108412801A (en) * | 2018-05-09 | 2018-08-17 | 青岛泰德汽车轴承股份有限公司 | A kind of water pump shaft connecting bearings device |
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Address after: 266000 No.10 Xinghua Road, Licang District, Qingdao City, Shandong Province Patentee after: Qingdao Tede Bearing Technology Co.,Ltd. Country or region after: China Address before: 266041 Xinghua Road 10, Licang District, Shandong, Qingdao Patentee before: QINGDAO TAIDE AUTOMOBILE BEARING Co.,Ltd. Country or region before: China |
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| CP03 | Change of name, title or address |