CN204901303U - Drier oil of taking check valve connects - Google Patents

Abstract

The utility model discloses a drier oil of taking check valve connects, including input interface, output interface, body, steel ball, spring. The body is a tubular part, and its inside central axis location is the pipeline, and the body is the hexagon with axial vertical's cross -section, and the body surface has the through -hole, and the through -hole radially stretches into body inside and is linked together with the pipeline along the body, and input interface and output interface are connected respectively to the both ends of pipeline. Be equipped with steel ball and spring in the pipeline, the steel ball is located the junction of input interface and pipeline. The utility model discloses a drier oil of taking check valve connects is the normal fuel feeding of drier oil centralized lubrication in normal production process, holds the lubrication trouble when needing manual refueling when examining and repairing the reel shaft, and it can refuel to need not to dismantle the coupling, and its advantage lies in that the oily speed of manual benefit accelerates greatly, and the one side lightens workman's amount of labour greatly, and on the other hand can save a large amount of time for production.

Description

With the drier oil joint of one-way valve

Technical field

The utility model relates to dry oil lubrication equipment, more particularly, relates to a kind of drier oil joint with one-way valve.

Background technique

Whether the good working life for component of machine has decisive role to lubrication usually, correctly the selecting and safeguard that the impact for the machinery life-span is vital of lubrication system.Lubrication is the key of equipment maintenance, and good lubrication can improve working life and the quality of product of equipment effectively.

From the development trend of current steel industry equipment lubrication both at home and abroad, progressively cross over to automation, efficient, low fault, concentrated online closed lubrication system.Whether centralized lubrication system recycles according to lubricant oil (fat) is divided into open type and enclosed two kinds, is divided into thin oil and drier oil two kinds according to use oil product difference.So-called " drier oil " is exactly lubricating grease.Grease concentrating lubricating system conventional is at present all open type, and namely lubricating grease consumes at lubricating point, does not return oil drum.On numerous production lines of metallurgy industry, all apply double line grease lubrication system at present, grease lubricating system by grease distributor be each equipment carry out at regular time and quantity give grease.

Plate production line have employed two-wire grease concentrating lubricating system equally, compared with the hand oiling that the past is original, has great superiority.But, in actual applications, due to all factors such as design deficiency, mass of system, site environment be severe, lubrication system all may be caused not play best efficiency.

Two-wire grease concentrating lubricating system is primarily of pump group, relief valve, pressure regulator, electric change valve, grease distributor composition.When the motor is energized, the pressure oil that pump exports enters a wherein Tiao Guan road through one-way valve, electric change valve, pressure oil promotes distributor commutation, by the oil note in distributor to lubricating (if certain leakage of oil of distributor leading portion, whole system pressure does not just increase, and other all distributors also can not work).When the pressure of this pipeline arrives greatly setting value, pressure regulator sends electrical signal to PLC control cabinet, and signal is delivered to electric change valve by PLC again makes it commutate, and lubricant oil enters another pipeline (program is the same), commutates when pressure reaches when setting is planted.After commutation, signal is delivered to pump group by PLC, and motor is out of service, and after the cycle set arrives, motor restarts, and repeats above program.

Middle discovery is used to there is following defect:

1. a whole set of Lubricating pump station is installed in subterranean storage, so that causes the pipeline for fat to increase.

2. main rolling line roller-way lubricating pipe is subject to the high-temperature baking of 1000 DEG C, and oil pipe is arranged in again roller-way both sides, makes lubricating grease sclerosis in pipe, cannot arrive lubricating point.

3. lubricating pipe is long, and lubricating point is many, and there is the serious oil starvation of roller-way, pipeline easily blocks, and the phenomenon that other operating modes good position fuel delivery obviously exceeds standard.Therefore, there is certain defect in system layout.

Slab rolling line has size roller-way more than 400, the lubrication of roller-way bearing adopts centralized grease lubrication more, centralized grease lubrication generally can meet usage requirement for the good roller-way of working environment, but quite a few roller-way work under bad environment, exist and impact, high temperature, the unfavorable factors such as water pouring, bearing is caused to intake, glycerine emulsification, namely at key area roller-way, as roll mill, de-scaling roller-way, turn steel rider road, the main cause of the bearing frequent breakage such as cooling during rolling roller-way, the oil mass that above roller-way centralized grease lubrication provides can not meet use, therefore, have to each maintenance and dead time carry out manual repairing to above roller-way, and traditional manual oil supplement method need disconnect pipe joint repeatedly, waste time and energy, a large amount of time is just wasted in each maintenance only repairing one.

Be illustrated in figure 1 the drier oil joint of prior art, it mainly comprises threaded coupling 3.3, hexagon body 3.2, sealing 3.3, threaded coupling 3.4, lubricant grease output terminals A, lubricant grease input end B.

Threaded coupling 3.3, dress flexible pipe or hard tube pipeline, connect the drier oil grease that in grease lubricating system, distributing valve is beaten.Threaded coupling 3.4 is directly screwed on the lubricating point of equipment, and do not allow lubricant grease leak out by sealing 3.3 to play when tightening, hexagon body 3.2 is conveniently erection joints.

Above structure also exists some shortcomings, can see and just must remove this joint when needs manually carry out repairing to equipment, method for dismounting has two kinds, and a kind of is the pipe removing threaded coupling 3.3 place, connect the oil pipe manually mending grease pump at threaded coupling 3.3 place, manual repairing is carried out to equipment; Another kind directly removes joint at threaded coupling 3.4 place, connects the dynamic oil pipe mending grease pump and carries out manual repairing to equipment.If need the point of repairing a lot, as the roller-way of rolling line, like this with regard to time and effort consuming.

Model utility content

For the problem of the repairing time and effort consuming caused due to drier oil joint structure existed in prior art, the purpose of this utility model is to provide a kind of drier oil joint with one-way valve.

For achieving the above object, the utility model adopts following technological scheme:

With a drier oil joint for one-way valve, comprise input interface, output interface, body, steel ball, spring.Body is a tubular part, the central axial line position of its inside is pipeline, and body is Hexagon with axially vertical cross section, and body surface has through hole, through hole stretches into body interior along the radial direction of body and is connected with pipeline, and the two ends of pipeline connect input interface and output interface respectively.Be provided with steel ball and spring in pipeline, steel ball is positioned at the joint of input interface and pipeline.

According to an embodiment of the present utility model, in body, the pipeline at place, steel ball position is tubaeform, and flaring opening is greater than the diameter of steel ball, and the diameter of pipe end is less than the diameter of steel ball.

According to an embodiment of the present utility model, also comprise pressure regulation device, it is arranged at pipe interior, is positioned at output interface side, and pressure regulation device and spring offset.

According to an embodiment of the present utility model, the surface of body has 3 through holes, is all connected with pipeline.

According to an embodiment of the present utility model, one of them in 3 through holes installs oil nozzle, other 2 plug is installed.

According to an embodiment of the present utility model, input interface and output interface are threaded coupling.

According to an embodiment of the present utility model, the joint of input interface and body is provided with sealing.

According to an embodiment of the present utility model, body is Hexagon with axially vertical cross section.

In technique scheme, drier oil joint grease centralized lubrication normal fuel injection in normal productive process of band one-way valve of the present utility model, when overhauling or bearing lubrication fault need manually be refueled, can refuel without the need to dismantling pipe joint, its advantage is that manual repairing speed is accelerated greatly, greatly alleviate workman's amount of labour on the one hand, can be on the other hand to produce and save a large amount of time.

Accompanying drawing explanation

Fig. 1 is the structural representation of existing drier oil joint;

Fig. 2 is the structural representation of the drier oil joint of the utility model band one-way valve;

Fig. 3 is the side view of Fig. 2;

Fig. 4 is the cut-away view of Fig. 2.

Embodiment

The technical solution of the utility model is further illustrated below in conjunction with drawings and Examples.

In order to overcome some shortcomings when receiving repairing to roller-way, the utility model is optimized improvement to existing drier oil joint, finally realize automatic oiling and the dual-purpose joint of manual repairing, as shown in Figure 2, it mainly comprises: input interface 1.1, output interface 1.4, body 1.2, steel ball 2.1, spring 2.2, sealing 1.3, pressure regulation device 2.4 etc.Describe structure and the annexation thereof of above-mentioned all parts below in detail.

As shown in Figures 2 and 3, body 1.2 is a tubular part, and the central axial line position of its inside is pipeline, and the two ends of pipeline connect input interface 1.1 and output interface 1.4 respectively, and the joint of input interface 1.1 and body 1.2 is provided with sealing 1.3.Input interface 1.1 installs flexible pipe or hard tube pipeline, and connect the drier oil grease that in grease lubricating system, distributing valve is beaten, output interface 1.4 is directly screwed on the lubricating point of equipment, by sealing 1.3 to play the effect not allowing lubricant grease leak out when tightening.

As shown in Figure 3, body 1.2 is polygonal with axially vertical cross section, and body 1.2 surface has through hole, and through hole stretches into body 1.2 inside along the radial direction of body 1.2 and is connected with pipeline.

As a kind of preferred implementation of the present utility model, body 1.2 is Hexagon with axially vertical cross section.Based on hexagonal shape, the surface of body 1.2 has 3 through holes, is all connected with pipeline, becomes 120 ° and divide equally mutually, and one of them in these 3 through holes is upper installs oil nozzle 2.3, other 2 installation plugs 2.5.Oil nozzle 2.3 of the present utility model is the fuel filler neck of standard, because the installation direction that there will be oil nozzle 2.3 is not the most desirable when installing this joint at the scene, namely inconvenience manually adds oil condition, and such as the direction of oil nozzle 2.3 is downward.Now, oil nozzle 2.3 can change with plug 2.5, divides equally, can change 3 directions, be convenient to the operation that on-site manual refuels because they become 120 °.

Be provided with steel ball 2.1 and spring 2.2 in pipeline, the inside of the utility model drier oil joint is provided with steel ball 2.1 near input interface 1.1 end, and steel ball 2.1 is positioned at input interface 1.1 and the joint of pipeline, is provided with spring 2.2 after steel ball 2.1.The pipeline at the place, position of steel ball 2.1 in body 1.2, namely steel ball 2.1 front end and body 1.2 matching part are vertebral body structure (being similar to tubaeform).The large end (in other words flaring opening) of centrum is greater than the diameter of steel ball 2.1, and the diameter of small end (i.e. pipe end) is less than the diameter of steel ball 2.1, and such steel ball 2.1 can play the effect of sealing 1.3 under the effect of spring 2.2 power.

The installation method of steel ball 2.1 and spring 2.2 is: first install steel ball 2.1 mounting spring 2.2 again, finally screw on pressure regulation device 2.4.Pressure regulation device 2.4 is arranged at pipe interior, be positioned at output interface 1.4 side, and pressure regulation device 2.4 and spring 2.2 offset, the cracking pressure of one-way valve can be regulated by test stand, and cracking pressure can be regulated by rotary pressure regulating device 2.4 at any time in actual use.

As a kind of preferred implementation of the present utility model, input interface 1.1 and output interface 1.4 are threaded coupling, but the technical solution of the utility model is not as limit.

Those of ordinary skill in the art will be appreciated that, above embodiment is only used to the utility model is described, and be not used as restriction of the present utility model, as long as in spirit of the present utility model, all will drop in Claims scope of the present utility model the change of the above embodiment, modification.

Claims (8)

1. the drier oil joint with one-way valve, is characterized in that, comprising:

Input interface, output interface, body, steel ball, spring;

Described body is a tubular part, the central axial line position of its inside is pipeline, body is polygonal with axially vertical cross section, body surface has through hole, described through hole stretches into body interior along the radial direction of body and is connected with described pipeline, and the two ends of described pipeline connect described input interface and output interface respectively;

Be provided with described steel ball and spring in described pipeline, described steel ball is positioned at the joint of described input interface and pipeline.

2. the drier oil joint of band one-way valve as claimed in claim 1, it is characterized in that, in described body, the pipeline at place, steel ball position is tubaeform, and described flaring opening is greater than the diameter of steel ball, and the diameter of pipe end is less than the diameter of described steel ball.

3. the drier oil joint of band one-way valve as claimed in claim 1, it is characterized in that, body is Hexagon with axially vertical cross section.

4. the drier oil joint of band one-way valve as claimed in claim 3, it is characterized in that, the surface of described body has 3 through holes, is all connected with described pipeline.

5. the drier oil joint of band one-way valve as claimed in claim 4, is characterized in that, one of them in described 3 through holes installs oil nozzle, installs plug for other 2.

6. the drier oil joint of band one-way valve as claimed in claim 1, it is characterized in that, described input interface and output interface are threaded coupling.

7. the drier oil joint of band one-way valve as claimed in claim 1, it is characterized in that, the joint of described input interface and body is provided with sealing.

8. the drier oil joint of band one-way valve as claimed in claim 1, it is characterized in that, also comprise pressure regulation device, it is arranged at described pipe interior, is positioned at output interface side, and described pressure regulation device and described spring offset.