CN201212520Y - Hinged joint pin apparatus - Google Patents
Hinged joint pin apparatus Download PDFInfo
- Publication number
- CN201212520Y CN201212520Y CNU2008201047734U CN200820104773U CN201212520Y CN 201212520 Y CN201212520 Y CN 201212520Y CN U2008201047734 U CNU2008201047734 U CN U2008201047734U CN 200820104773 U CN200820104773 U CN 200820104773U CN 201212520 Y CN201212520 Y CN 201212520Y
- Authority
- CN
- China
- Prior art keywords
- pin shaft
- check valve
- shaft device
- displaced
- oil
- 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
Links
- 238000003860 storage Methods 0.000 claims abstract description 12
- 238000010276 construction Methods 0.000 claims description 3
- 239000004519 grease Substances 0.000 abstract description 16
- 230000000694 effects Effects 0.000 abstract description 9
- 238000007789 sealing Methods 0.000 abstract description 6
- 239000000314 lubricant Substances 0.000 abstract 1
- 230000001050 lubricating effect Effects 0.000 description 12
- 238000005461 lubrication Methods 0.000 description 5
- 238000005429 filling process Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
The utility model relates to a device for articulating a pin shaft, comprising a shaft body, a shaft sleeve, an outlet check valve, an oil outlet channel, an inlet check valve, an oil storage tank and sealing rings. The shaft body is provided with at least one oil outlet channel and at least one outlet check valve; and the inlet end of at least one outlet check valve is communicated with at least one oil outlet channel and the outlet end of the outlet check valve is communicated with the cylindrical surface of the shaft body. As the inlet check valve and the outlet check valve have one-way stop effect and the sealing rings arranged at the two ends of the shaft sleeve are matched, the purpose of stopping lubricant grease from leaking outward and preventing outside foreign matters from entering the inside of a pin shaft can be achieved. The utility model is mainly applied to various occasions which use the pin shaft device, such as engineering machinery, shipping, vehicles, mechanical equipment, and the like.
Description
Technical field
The utility model relates to a kind of pin shaft device, particularly a kind of hinging pin shaft device that can improve lubrication effect.
Background technique
General pin shaft device mainly comprises axis body and two parts of axle sleeve, and it is widely used in the middle of the various machinery that need hinging structure.Present employed pin shaft device, owing to there is not reliable sealing configuration, the lubricating grease that is used for lubricated bearing pin can in use overflow gradually, has reduced lubrication effect; Simultaneously, extraneous foreign matter also can enter into the inside of pin shaft device, has quickened the wearing and tearing between axle and the cover.Though the structure that has has increased seal ring at the two ends of axle sleeve, played certain sealing effect, this design can cause the inner enclosed space that forms of pin shaft device, and lubricating grease is mobile when having influenced filling, has also influenced lubrication effect.
At my another application for a patent for invention (number of patent application: (patent No.: 2006200053442) 2006100040470) and in the utility model patent, disclose the structure of the pin shaft device that has independent oil road and fuel-displaced one-way valve, effectively improved the lubrication effect of pin shaft device.The application is further perfect as above-mentioned design, can satisfy the lubricated needs of the hinging pin shaft device that adopts axle sleeve oil-feed mode.
The model utility content
The purpose of this utility model is to provide a kind of pin shaft device with sealing configuration, uses it can improve the lubrication effect of pin shaft device and prolongs its working life.
Embodiment of the present utility model is as follows: a kind of hinging pin shaft device, comprise axis body, axle sleeve, in line check valve, axle sleeve is provided with oil inlet hole and oil storage tank, the axle sleeve two ends are provided with seal ring, it is characterized in that: axis body is provided with at least one oil road and at least one fuel-displaced one-way valve, at least one fuel-displaced check valve inlet end communicates with at least one oil road, and outlet end communicates with the axis body outer surface.
Described fuel-displaced one-way valve outlet end communicates with the axis body periphery.
Described fuel-displaced one-way valve outlet end communicates with the axis body end surface.
As further improvement of the utility model, described fuel-displaced one-way valve adopts monolithic construction.
In another improved, described fuel-displaced one-way valve adopted package assembly.
The structure that described axle sleeve adopts annular oil groove to cooperate with vertical oil groove.
The structure that described axle sleeve adopts annular oil groove to cooperate with helical oil groove.
Working principle of the present utility model is as follows: during grease up, lubricating grease enters in the oil storage tank of axle sleeve and continues to flow through in line check valve, oil inlet hole, after oil road, fuel-displaced one-way valve flow out, finishes filling process until being full of oil groove.In line check valve, fuel-displaced one-way valve have that unidirectional the two ends of adding axle sleeve are provided with seal ring by effect, and acting in conjunction is played and stoped lubricating grease to leak and prevent that extraneous foreign matter from entering the purpose of pin shaft device inside.In addition, fuel-displaced one-way valve also to the mobile generation resistance of lubricating grease, forms certain back pressure, makes lubricating grease can more fill oil storage tank.Said structure makes pin shaft device inside also satisfy the desired lower resistance of normal grease up when forming confined space.
This invention is simple in structure, with low cost, has fundamentally solved lubricated, the sealing of pin shaft device and the contradiction between the cost, greatly reduce the workload of maintenance, maintenance, prolonged the working life of pin shaft device, Applicable scope is very extensive, has certain popularization value.
Description of drawings
Fig. 1 is the schematic diagram of the utility model embodiment
Fig. 2 is the structural representation of the utility model embodiment
Fig. 3 is the structural drawing of a kind of embodiment's axis body of the utility model
Fig. 4 is the structural drawing of the another kind of embodiment's axis body of the utility model
Fig. 5 is the structural drawing of a kind of one-way valve of the utility model
Fig. 6 is the structural drawing of a kind of embodiment's axle sleeve of the utility model
Fig. 7 is the structural drawing of the another kind of embodiment's axle sleeve of the utility model
Among the figure: 1, axis body 2, fuel-displaced one-way valve 3, oil road 4, axle sleeve 5, oil storage tank 6, oil inlet hole 7, seal ring 8, hinged seat 9, articulated jib 10, in line check valve 11, plug 12, catch 13, spring 14, steel ball 15, seal groove
Embodiment
A preferred embodiment of the present invention has adopted structure as shown in Figure 3.Fuel-displaced one-way valve 2 entrance points on the axis body 1 communicate with oil road 3, and outlet end communicates with axis body 1 periphery.Oil road 5 is provided with technology plug 11.
Axle sleeve 4 is provided with oil inlet hole 6, oil storage tank 5 and seal groove 15, as Fig. 6, shown in Figure 7.The structure that oil storage tank 5 shown in Figure 6 has adopted annular oil groove to cooperate with vertical oil groove; The structure that 5 of oil storage tanks shown in Figure 7 have adopted annular oil groove to cooperate with helical oil groove.
The installation form of pin shaft device as shown in Figure 2.Axle sleeve 4 is installed in the articulated jib 9, and axis body 1 is installed on the hinged seat 8.Because axle sleeve 4 cooperates installation with axis body 1, so articulated jib 9 can only be swung around articulating point.In line check valve 10 is installed on the articulated jib 9, communicates with oil inlet hole 6 on the axle sleeve 4.
During grease up, lubricating grease enters in the oil storage tank 5 of axle sleeve 4 and continues to flow through in line check valve 10, oil inlet hole 6, after oil road 3, fuel-displaced one-way valve 2 flow out, finishes filling process until being full of oil storage tank 5.In line check valve 10, fuel-displaced one-way valve 2 have that unidirectional the two ends of adding axle sleeve 4 are provided with seal ring 7 by effect, play jointly to stop lubricating grease to leak and prevent that extraneous foreign matter from entering the purpose of pin shaft device inside.In addition, fuel-displaced one-way valve 2 also to the mobile generation resistance of lubricating grease, forms certain back pressure, makes lubricating grease can more fill oil storage tank 5.Said structure makes pin shaft device inside also satisfy the desired lower resistance of normal grease up when forming confined space.
In the present embodiment, because fuel-displaced one-way valve 2 communicates with the periphery of axis body 1 and export between articulated jib 9 and hinged seat 8, so the lubricating grease that flows out in the filling process can be used for lubricating the side contacts face of articulated mounting.
Among the another kind of embodiment shown in Figure 4, the structure that has adopted fuel-displaced one-way valve 2 outlet end to communicate with axis body 1 end surface.This structural manufacturing process is simple, can be used for the occasion that does not need the offside surface of contact to be lubricated.
In the middle of a kind of embodiment as shown in Figure 5, fuel-displaced one-way valve 2 has adopted split type package assembly, is made up of catch 12, spring 13, steel ball 14.Use this structural volume more compact, be applicable to the comparatively strict occasion of pin shaft device size requirement is used.
Claims (7)
1. hinging pin shaft device, comprise axis body, axle sleeve, in line check valve, axle sleeve is provided with oil inlet hole and oil storage tank, the axle sleeve two ends are provided with seal ring, it is characterized in that: axis body is provided with at least one oil road and at least one fuel-displaced one-way valve, at least one fuel-displaced check valve inlet end communicates with at least one oil road, and outlet end communicates with the axis body outer surface.
2. a kind of hinging pin shaft device according to claim 1 is characterized in that: described fuel-displaced one-way valve outlet end communicates with the axis body periphery.
3. a kind of hinging pin shaft device according to claim 1 is characterized in that: described fuel-displaced one-way valve outlet end communicates with the axis body end surface.
4. a kind of hinging pin shaft device according to claim 1 is characterized in that: fuel-displaced one-way valve adopts monolithic construction.
5. a kind of hinging pin shaft device according to claim 1 is characterized in that: fuel-displaced one-way valve adopts modular construction.
6. a kind of hinging pin shaft device according to claim 1 is characterized in that: the structure that axle sleeve adopts annular oil groove to cooperate with vertical oil groove.
7. a kind of hinging pin shaft device according to claim 1 is characterized in that: the structure that axle sleeve adopts annular oil groove to cooperate with helical oil groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201047734U CN201212520Y (en) | 2008-04-21 | 2008-04-21 | Hinged joint pin apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201047734U CN201212520Y (en) | 2008-04-21 | 2008-04-21 | Hinged joint pin apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201212520Y true CN201212520Y (en) | 2009-03-25 |
Family
ID=40496691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201047734U Expired - Fee Related CN201212520Y (en) | 2008-04-21 | 2008-04-21 | Hinged joint pin apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201212520Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102691708A (en) * | 2012-05-31 | 2012-09-26 | 无锡市蓝力机床有限公司 | Pin shaft for working device of hydraulic excavator |
| CN113048139A (en) * | 2019-12-26 | 2021-06-29 | 富世达股份有限公司 | Structure of chain set for rotation shaft |
| CN115198833A (en) * | 2022-07-28 | 2022-10-18 | 龙工(上海)机械制造有限公司 | Loader pin shaft pair capable of self-lubricating |
-
2008
- 2008-04-21 CN CNU2008201047734U patent/CN201212520Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102691708A (en) * | 2012-05-31 | 2012-09-26 | 无锡市蓝力机床有限公司 | Pin shaft for working device of hydraulic excavator |
| CN113048139A (en) * | 2019-12-26 | 2021-06-29 | 富世达股份有限公司 | Structure of chain set for rotation shaft |
| CN115198833A (en) * | 2022-07-28 | 2022-10-18 | 龙工(上海)机械制造有限公司 | Loader pin shaft pair capable of self-lubricating |
| CN115198833B (en) * | 2022-07-28 | 2024-03-26 | 龙工(上海)机械制造有限公司 | Loader pin shaft pair capable of self-lubricating |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090325 Termination date: 20110421 |