CN205578399U - One -way throttle valve hydraulic cylinder - Google Patents
One -way throttle valve hydraulic cylinder Download PDFInfo
- Publication number
- CN205578399U CN205578399U CN201620322429.7U CN201620322429U CN205578399U CN 205578399 U CN205578399 U CN 205578399U CN 201620322429 U CN201620322429 U CN 201620322429U CN 205578399 U CN205578399 U CN 205578399U
- Authority
- CN
- China
- Prior art keywords
- cylinder body
- throttle valve
- piston
- way throttle
- copper washer
- 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
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Abstract
The utility model discloses an one -way throttle valve hydraulic cylinder, end cover and the DUCT SHROUD, the swing joint that locate the cylinder body both ends including the cylinder body, respectively in the cylinder body the piston and with hinge joint's piston rod, it is glib to set up first glib talker and second on the cylinder body, the second glib mouthful by setting gradually first step, second step and third step outward in to, the glib bottom of second sets up a circular copper washer, and the glib one end of being close to the cylinder body of second still sets up a slot, and the ditch inslot sets up a jump ring, and the jump ring sets up between circular copper washer and cylinder body. The utility model discloses ingenious step and the slot of processing different diameters on the glib talker increases circular copper washer and jump ring device, oil feeding area through the control hydro -cylinder controls the speed of marcing of hydro -cylinder, in addition, through adjustment copper washer center hole diameter, can change the throttle effect.
Description
Technical field
This utility model relates to hydraulic jack technology, particularly relates to a kind of one-way throttle valve hydraulic jack.
Background technology
Over 10 years, along with the high speed development of economic construction, in engineering machinery, produce equipment and automobile industry and the demand of the hydraulic jack of high standard, high-performance and high safety performance is got more and more.When hydraulic jack drives quality bigger, one-way movement speed need slowly workpiece time, one way throttle valve device to be arranged, its objective is in quantitative oil hydraulic system, change the speed that oil cylinder stretches out or retracts, there is complex structural designs in the oil cylinder needing one way throttle valve device in the market, need an one-way throttle valve is installed, cost is higher, and when there are quality problems in any one element, whole oil hydraulic system can be produced potential safety hazard, at the equipment high for some long-term action and prescription, these oil cylinders are to meet the market demand.
There are the following problems for the oil cylinder of prior art: one, the cylinder movement system of prior art, needing to realize one-way throttle pooling feature, market more of increases the oil cylinder of choke valve, these oil cylinders need to increase choke valve and oil path block, these accessories additionally increased, cost is higher.Two, the cylinder movement system of prior art, takes to increase the oil cylinder of one-way throttle valve, if Solid Coupling Analysis of Throttle Valve, the oil cylinder of whole motor system is operationally, it is impossible to obtain controlled, and whole plant machinery produces potential safety hazard or the system of damage.Three, the cylinder movement system of prior art is owing to processing technique is complicated and increases extra choke valve, makes whole manufacturing cost and volume to increase, installs and operate time-consuming.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, it is provided that a kind of one-way throttle valve hydraulic jack, simple in construction, can realize one-way throttle valve function during operation.
In order to achieve the above object, the technical solution adopted in the utility model is:
A kind of one-way throttle valve hydraulic jack, the end cap that including cylinder body, is respectively arranged on cylinder body two ends and lead lid, the piston being movably connected in cylinder body and the piston rod being connected with piston, first oil nozzle and the second oil nozzle are set on described cylinder body, the oil nozzle mouth of the second oil nozzle sets gradually first step, second step and the 3rd step from outside to inside, the bottom of described second oil nozzle arranges a circular copper washer, second oil nozzle also sets up a groove near one end of cylinder body, arranging a jump ring in groove, jump ring is arranged between circular copper washer and cylinder body.
As preferred embodiment of the present utility model, a centrally disposed circular hole of circular copper washer described in the utility model.
As preferred embodiment of the present utility model, first step described in the utility model, second step and the 3rd step are disposed as step cutting pattern.
As preferred embodiment of the present utility model, one end that piston rod described in the utility model is connected with piston is provided with ring-shaped step, and ring-shaped step is provided with annular groove, and described piston bush is loaded on ring-shaped step and is connected on annular groove.
As preferred embodiment of the present utility model, piston described in the utility model is bar shape, and piston inner hole coordinates on contact surface with piston rod and leads lid and coordinates with piston rod and to be equipped with annular seal groove on contact surface, and annular seal groove is equipped with O-ring seal.
As preferred embodiment of the present utility model, piston rod surface described in the utility model is provided with hard chromium.
As preferred embodiment of the present utility model, end cap described in the utility model is welded on cylinder body, leads lid and is threadedly secured on cylinder body.
Compared with prior art, the beneficial effects of the utility model are: process step and the groove of different-diameter cleverly on oil nozzle, increase circular copper washer and Circlip apparatus；The gait of march of oil cylinder is controlled by controlling the oil-feed area of oil cylinder, it addition, by adjusting copper washer center hole diameter, thus it is possible to vary restriction effect, simple in construction, there is during operation one-way throttle valve function；There is extensibility, the oil nozzle of this function is arranged on two oil nozzles, it is achieved bidirectional throttle function.
Accompanying drawing explanation
Fig. 1 is overall structure oil-feed working state structure schematic diagram of the present utility model；
Fig. 2 is the second oil nozzle oil charging structure schematic diagram of the present utility model；
Circle copper washer and jump ring fit structure schematic diagram when Fig. 3 is oil-feed of the present utility model
Fig. 4 is overall structure oil return working state structure schematic diagram of the present utility model；
Fig. 5 is the second oil nozzle oil-returning structure schematic diagram of the present utility model；
Circle copper washer and jump ring fit structure schematic diagram when Fig. 6 is oil return of the present utility model.
Detailed description of the invention
Purport of the present utility model is to overcome the deficiencies in the prior art, it is provided that a kind of one-way throttle valve hydraulic jack, increases a copper washer on oil nozzle, crosses pasta and amasss by changing oil cylinder and control oil cylinder.It is described in detail referring to the drawings below in conjunction with embodiment, in order to technical characteristic of the present utility model and advantage are interpretated more in-depth.
Structure chart of the present utility model is as shown in figures 1 to 6, a kind of one-way throttle valve hydraulic jack, including cylinder body 1, it is respectively arranged on the end cap 2 at cylinder body 1 two ends and leads lid 3, the piston 4 being movably connected in cylinder body 1 and the piston rod 5 being connected with piston 4, first oil nozzle 6 and the second oil nozzle 7 is set on described cylinder body 1, the oil nozzle mouth of the second oil nozzle 7 sets gradually first step 71 from outside to inside, second step 72 and the 3rd step 73, the bottom of described second oil nozzle 7 arranges a circular copper washer 8, second oil nozzle 7 also sets up a groove 9 near one end of cylinder body 1, one jump ring 10 is set in groove 9, jump ring 10 is arranged between circular copper washer 8 and cylinder body 1.This utility model, by arranging three steps such as first step 71, second step 72 and the 3rd step 73, reduces the size of oil nozzle mouth successively, thus preferably controls oil cylinder.When cylinder movement, amassed controlled cylinder movement flow by controlling pasta, reached one-way throttle valve function.Installing a jump ring 10 at groove 9, its effect is to prevent circular copper washer 8 from getting loose, and allows circular copper washer 8 move up and down within the specific limits.
An additionally centrally disposed circular hole of circular copper washer 8, this Circularhole diameter size adjustable, by adjusting copper washer center hole diameter, thus it is possible to vary restriction effect.
In order to reach preferable oil-feed or oil return effect, first step 71 described in the utility model, second step 72 and the 3rd step 73 are disposed as step cutting pattern.
Such as Fig. 1, shown in 4, the one end being connected with piston 4 on piston rod 5 described in the utility model is provided with ring-shaped step 11, ring-shaped step 11 is provided with annular groove 12, described piston 4 is set on ring-shaped step 11 and is connected on annular groove 12, reach good snap effect, the connection between firm piston 4 and piston rod 5.And described piston 4 is in bar shape, piston 4 periphery with lead on lid 3 and be equipped with annular seal groove 13 on endoporus that the cooperation of piston 4 and piston rod 5 contacts, O-ring seal it is equipped with on annular seal groove, Fig. 1, in 4, between piston 4 periphery and cylinder body 1, lead between lid 3 and cylinder body 1, piston rod 5 and piston 4 or lead lid 3 junctions and be respectively provided with multiple annular seal groove 13, particularly piston 4 endoporus coordinates on contact surface with piston rod 5 and leads lid 3 and coordinates with piston rod 5 and to be equipped with annular seal groove 13 on contact surface, O-ring seal it is equipped with on annular seal groove, reach preferable sealing effectiveness, prevent leakage of oil.Preferably, described piston rod 5 surface is provided with hard chromium.
End cap 2 described in the utility model is welded on cylinder body 1, leads lid 3 and is threadedly secured on cylinder body 1.
Operation principle of the present utility model is as follows: process step and the groove of different-diameter cleverly on oil nozzle, increase circular copper washer 8 and jump ring 10 device, when hydraulic system pressure oil-feed on oil nozzle (shown in Fig. 1-3), circle copper washer 8 is pushed to jump ring 10 position by oil pressure pressure, big gap is had between jump ring 10 and circular copper washer 8, at this moment cylinder efficient is normal, and oil nozzle does not play one-way throttle effect；When this oil nozzle is in oil return (shown in Fig. 4-6), circle copper washer 8 is pushed to oil nozzle end step (first step 71 by oil pressure, second step 72 and the 3rd step 73) on, due to step (first step 71, second step 72 and the 3rd step 73) and circular copper washer 8 surface smoothness more than 0.8, circular copper washer 8 surrounding is formed and seals space, oil pressure can only pass through from the foramen primum of circular copper washer 8 center, at this moment oil cylinder just has one-way throttle function, this utility model is the gait of march controlling oil cylinder by controlling the oil-feed area of oil cylinder, same principle, the oil nozzle of this function is arranged on two oil nozzles, bidirectional throttle function will be used, by adjusting circular copper washer 8 center hole diameter, restriction effect can be changed.
By the technical scheme in above example, this utility model is carried out clear, complete description, it is clear that described embodiment is the embodiment of this utility model part rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
Claims (7)
1. an one-way throttle valve hydraulic jack, it is characterized in that: include cylinder body (1), it is respectively arranged on the end cap (2) at cylinder body (1) two ends and leads lid (3), the piston (4) being movably connected in cylinder body (1) and the piston rod (5) being connected with piston (4), first oil nozzle (6) and the second oil nozzle (7) are set on described cylinder body (1), the oil nozzle mouth of the second oil nozzle (7) sets gradually first step (71) from outside to inside, second step (72) and the 3rd step (73), the bottom of described second oil nozzle (7) arranges a circular copper washer (8), second oil nozzle (7) also sets up a groove (9) near one end of cylinder body (1), one jump ring (10) is set in groove (9), jump ring (10) is arranged between circular copper washer (8) and cylinder body (1).
One-way throttle valve hydraulic jack the most according to claim 1, it is characterised in that: a centrally disposed circular hole of described circular copper washer (8).
One-way throttle valve hydraulic jack the most according to claim 2, it is characterised in that: described first step (71), second step (72) and the 3rd step (73) are disposed as step cutting pattern.
One-way throttle valve hydraulic jack the most according to claim 1, it is characterized in that: the upper one end being connected with piston (4) of described piston rod (5) is provided with ring-shaped step (11), ring-shaped step (11) is provided with annular groove (12), and described piston (4) is set in ring-shaped step (11) and above and is connected on annular groove (12).
One-way throttle valve hydraulic jack the most according to claim 4, it is characterized in that: described piston (4) is in bar shape, piston (4) endoporus coordinates on contact surface with piston rod (5) and leads lid (3) and coordinates with piston rod (5) and be equipped with annular seal groove (13) on contact surface, and annular seal groove is equipped with O-ring seal.
One-way throttle valve hydraulic jack the most according to claim 5, it is characterised in that: described piston rod (5) surface is provided with hard chromium.
7. according to the one-way throttle valve hydraulic jack according to any one of claim 1-6, it is characterised in that: described end cap (2) is welded on cylinder body (1), leads lid (3) and is threadedly secured on cylinder body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620322429.7U CN205578399U (en) | 2016-04-18 | 2016-04-18 | One -way throttle valve hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620322429.7U CN205578399U (en) | 2016-04-18 | 2016-04-18 | One -way throttle valve hydraulic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205578399U true CN205578399U (en) | 2016-09-14 |
Family
ID=56863111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620322429.7U Expired - Fee Related CN205578399U (en) | 2016-04-18 | 2016-04-18 | One -way throttle valve hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205578399U (en) |
-
2016
- 2016-04-18 CN CN201620322429.7U patent/CN205578399U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160914 Termination date: 20210418 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |