CN205841356U - A kind of unidirectional damping joint - Google Patents
A kind of unidirectional damping joint Download PDFInfo
- Publication number
- CN205841356U CN205841356U CN201620702430.2U CN201620702430U CN205841356U CN 205841356 U CN205841356 U CN 205841356U CN 201620702430 U CN201620702430 U CN 201620702430U CN 205841356 U CN205841356 U CN 205841356U
- Authority
- CN
- China
- Prior art keywords
- oil duct
- check valve
- oil
- fittings body
- bellmouth
- 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.)
- Active
Links
Landscapes
- Vibration Prevention Devices (AREA)
Abstract
Utility model relates to kind of an automobile cab turnover cylinder part, disclose a kind of unidirectional damping joint, including fittings body (3), oil duct (5) it is provided with in fittings body (3), check valve (2) it is provided with in fittings body (3), check valve (2) is located in oil duct (5), check valve (2) horizontally slips in oil duct (5), the left end of oil duct (5) is provided with the bellmouth (31) communicated with oil duct (5), check valve (2) is provided with the round platform (21) coordinated with bellmouth (31), check valve (2) body diameter is less than the diameter of oil duct (5).This utility model makes driver's cabin whole lifting decline process more high efficiency smooth, occurs without shake and rocks, improves the life-span to driver's cabin related components, and this simple in construction is easily processed simultaneously, dependable performance low cost.
Description
Technical field
This utility model relates to kind of an automobile cab turnover cylinder part, particularly relates to a kind of unidirectional damping joint.
Background technology
Along with automobile market to the quality of each parts and uses requirement more and more higher, particularly with those safety members more
Harshness.The safety member that hydraulic cab overturning oil cylinder used by commercial car belongs in chassis member needs also exist for being weighed especially
Depending on, both must ensure the height that in lifting process, usefulness is enough, can be enough during guaranteeing again to decline steady, occur without shake
Rock.And these 2 is the opposite of exactly contradiction in high-pressure system, because usefulness higher position necessarily requires energy in oil circuit
Lose low, avoid the existence of damping phenomena as far as possible, require during decline that steady non-jitter is rocked, the most just require oil cylinder oil inlet
Oil return continuously uninterrupted, but this is difficult to control for manual system, it is necessary to set up damping and realize.Although and current liquid
Having had unidirectional damping method (or device) on pressure field, but its structure is the most more complicated, required precision is the highest, is difficult to be adapted to drive
Sail in the hydraulic lifting system of room.
Summary of the invention
This utility model is for shortcoming of the prior art, it is provided that the one that a kind of simple in construction, required precision are relatively low
Unidirectional damping joint.
In order to solve above-mentioned technical problem, this utility model is addressed by following technical proposals:
A kind of unidirectional damping joint, including fittings body, is provided with oil duct, is provided with check valve in fittings body in fittings body, unidirectional
Valve is located in oil duct, and check valve horizontally slips in oil duct, and the left end of oil duct is provided with the bellmouth communicated with oil duct, on check valve
It is provided with the round platform coordinated with bellmouth.Being contained in fittings body by check valve, when oil cylinder is to be declined, pressure oil enters from left side, and
Contacting sealing by round platform with bellmouth formation, control the flow that hydraulic oil flows out, pressure oil continuous print flows out, cylinder piston rod
Steadily regain, it is to avoid in manual operation engineering, discontinuously pump oil causes the oil cylinder discontinuously to decline the whole driver's cabin caused shaking even
The phenomenon acutely rocked.
As preferably, check valve body diameter is less than the diameter of oil duct.
As preferably, round platform is provided with the damping hole communicated in being located at the left part of unidirectional check valve, round platform and check valve.Side
Just the flow of pressure oil is controlled.
As preferably, the left end of oil duct is provided with the oilhole communicated with oil duct, oil duct and oilhole and is connected by bellmouth, oilhole
Body diameter more than the body diameter of oil duct.Ensure that when check valve moves in through hole, check valve contacts with fittings body
Seal.
As preferably, being provided with the first drainage screen in oilhole, the first drainage screen is located at the left side of check valve, the right-hand member end of oil duct
Portion is provided with the second drainage screen.Avoid impurity to enter fittings body to be blocked by the damping hole of check valve.
This utility model, owing to have employed above technical scheme, has significant technique effect: fittings body is arranged on driving
On the rodless cavity of room elevating ram, both can guarantee that the height that in lifting process, usefulness is enough, can ensure that again during decline is steady,
Make driver's cabin whole lifting decline process more high efficiency smooth, occur without shake and rock, improve driver's cabin related components
Life-span, this simple in construction is easily processed simultaneously, dependable performance low cost.
Accompanying drawing explanation
Fig. 1 is joint schematic diagram of the present utility model.
The toponym that in accompanying drawing, each number designation is referred to is as follows: 1 first drainage screen, 2 check valves, 3 joints
Body, 4 second drainage screens, 5 oil ducts, 6 oilholes, 21 round platforms, 22 damping holes, 31 bellmouths.
Detailed description of the invention
With embodiment, this utility model is described in further detail below in conjunction with the accompanying drawings.
Embodiment 1
A kind of unidirectional damping joint, as it is shown in figure 1, include fittings body 3, is provided with oil duct 5, sets in fittings body 3 in fittings body 3
Having check valve 2, check valve 2 to be located in oil duct 5, check valve 2 horizontally slips in oil duct 5, and the left end of oil duct 5 is provided with and oil duct 5
The bellmouth 31 communicated, check valve 2 is provided with the round platform 21 coordinated with bellmouth 31, and check valve 2 body diameter is less than oil duct 5
Diameter, when pressure oil enters from right-hand member, increases the flow of pressure oil, and round platform 21 is located at the left part of unidirectional check valve 2, round platform
21 and check valve 2 in be provided with the damping hole 22 communicated, the left end of oil duct 5 is provided with the oilhole 6 communicated with oil duct 5, oil duct 5 and oilhole
6 are connected by bellmouth 31, and the body diameter of oilhole 6, more than the body diameter of oil duct 5, is provided with the first drainage screen 1 in oilhole 6,
First drainage screen 1 is located at the left side of check valve 2, and the right-hand member end of oil duct 5 is provided with the second drainage screen 4.
Owing to check valve 2 is designed with certain movement clearance in fittings body 3, during use, the left end of fittings body 3 is installed
In elevating ram, in lifting process, pressure oil, from the right-hand member oil-feed of fittings body 3, pushes check valve 2 open, and pressure oil can be by single
Oil cylinder is entered after the direct clearance in outside is connected in valve 2, and not by any damping action；When oil cylinder declines, pressure oil enters
Enter the left end of fittings body 3, promote check valve 2, make the round platform 21 of check valve 2 and the conical surface laminating of bellmouth 31, form contact close
Envelope, pressure oil only could be flowed out by damping hole 22, thus can effectively control the flow that hydraulic oil flows out, make pressure
Oil continuous print flows out, and cylinder piston rod is steadily regained, it is to avoid in manual operation engineering, discontinuously pump oil causes the oil cylinder discontinuously to decline
The whole driver's cabin caused shakes the phenomenon the most acutely rocked.
In a word, the foregoing is only preferred embodiment of the present utility model, all according to this utility model claim institute
Impartial change and the modification made, all should belong to the covering scope of this utility model patent.
Claims (5)
1. a unidirectional damping joint, including fittings body (3), is provided with oil duct (5) in fittings body (3), it is characterised in that: fittings body
(3) being provided with check valve (2) in, check valve (2) is located in oil duct (5), and check valve (2) horizontally slips in oil duct (5), oil duct
(5) left end is provided with the bellmouth (31) communicated with oil duct (5), and check valve (2) is provided with the round platform coordinated with bellmouth (31)
(21)。
A kind of unidirectional damping joint the most according to claim 1, it is characterised in that: check valve (2) body diameter is less than oil
The diameter in road (5).
A kind of unidirectional damping joint the most according to claim 1, it is characterised in that: round platform (21) is located at unidirectional check valve
(2) damping hole (22) communicated it is provided with in left part, round platform (21) and check valve (2).
A kind of unidirectional damping joint the most according to claim 1, it is characterised in that: the left end of oil duct (5) is provided with and oil duct
(5) oilhole (6) communicated, oil duct (5) and oilhole (6) are connected by bellmouth (31), and the body diameter of oilhole (6) is more than oil duct
(5) body diameter.
A kind of unidirectional damping joint the most according to claim 1, it is characterised in that: oilhole is provided with the first drainage screen in (6)
(1), the first drainage screen (1) is located at the left side of check valve (2), and the right-hand member end of oil duct (5) is provided with the second drainage screen (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620702430.2U CN205841356U (en) | 2016-06-29 | 2016-06-29 | A kind of unidirectional damping joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620702430.2U CN205841356U (en) | 2016-06-29 | 2016-06-29 | A kind of unidirectional damping joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205841356U true CN205841356U (en) | 2016-12-28 |
Family
ID=58150737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620702430.2U Active CN205841356U (en) | 2016-06-29 | 2016-06-29 | A kind of unidirectional damping joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205841356U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106931005A (en) * | 2017-05-10 | 2017-07-07 | 蚌埠液力机械有限公司 | Perseverance agricultural machinery oil cylinder of the throttling with filtering |
-
2016
- 2016-06-29 CN CN201620702430.2U patent/CN205841356U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106931005A (en) * | 2017-05-10 | 2017-07-07 | 蚌埠液力机械有限公司 | Perseverance agricultural machinery oil cylinder of the throttling with filtering |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104903128A (en) | Passive and active suspension with optimization of energy usage | |
| CN205243997U (en) | Hydraulic pressure lock speed governing combination switching -over valve | |
| CN107116985B (en) | Large-stroke suspension system for multi-axle heavy vehicle | |
| CN106870316B (en) | A kind of hydraulic double-acting fracturing pump sledge | |
| CN205841356U (en) | A kind of unidirectional damping joint | |
| CN103133446B (en) | Valve rod of multi-path valve and multi-path valve with valve rod | |
| CN204628680U (en) | Automobile tailboard constant load pressure-compensated valve | |
| CN101660551B (en) | Oil gas suspension hydraulic locking device | |
| CN204367809U (en) | The anti-canting system of a kind of novel heavy duty vehicle | |
| CN205446520U (en) | Mix connection type oil gas damping device | |
| CN107120335A (en) | Hydraulic cylinder | |
| CN206530567U (en) | Hydraulic cylinder | |
| CN203051605U (en) | Adjustable damper | |
| CN205601823U (en) | Automobile brake hydraulic pressure auxiliary device and branch fuel tap | |
| CN205605528U (en) | Split type check valve hydraulic control hydro -cylinder of auttombilism room system of lifting | |
| CN203358270U (en) | Automatic car floor leveling system with two functions of vibration absorption and leveling | |
| CN204512054U (en) | A kind of structure of hydraulic cab follow-up-type oil cylinder | |
| CN207333554U (en) | A kind of combined type MR fluid shock absorber | |
| CN104094029B (en) | Dual Stage Poppet | |
| CN207686947U (en) | A kind of pressure valve type point takes out and mixes out oil well pump | |
| CN202326527U (en) | Closed hydraulic loop and concrete pumping equipment | |
| CN205841357U (en) | A kind of leveling control valve, hydraulic system and engineering machinery | |
| CN217107619U (en) | Differential type servo system of commercial vehicle cab | |
| CN205504095U (en) | Check valve, gearbox and car | |
| CN105156294A (en) | Free piston fracturing pump and fracturing equipment vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |