CN201265672Y

CN201265672Y - Three-way hydraulic confluence valve

Info

Publication number: CN201265672Y
Application number: CNU2008201877839U
Authority: CN
Inventors: 郑文彬
Original assignee: Shandong Zhengyuan Dizhi Resource Prospecting Co Ltd Yantai Branch
Current assignee: Shandong Zhengyuan Dizhi Resource Prospecting Co Ltd Yantai Branch
Priority date: 2008-08-15
Filing date: 2008-08-15
Publication date: 2009-07-01
Anticipated expiration: 2018-08-15

Abstract

The utility model discloses a three-way hydraulic confluence valve which comprises a valve body (1). The three-way hydraulic confluence valve is characterized in that the valve body (1) is of a hexahedron, three valve seats (3) are respectively arranged in three holes arranged on the top surface of the valve body, cone valves (4), pressure springs (5) and spring seats (7) are arranged in the valve seats (3), the valve seats (3) are fixed on the valve body (1) by oil outlet blocks (9) and bolts, the two corresponding surfaces of the oil outlet blocks (9) are respectively provided with a pressure gauge connecting hole (10) and an oil outlet (21) which are communicated with the three cone valves (4), the right surface, the front surface and the left surface of the middle lower part of the valve body (1) are provided with six connecting holes which are divided into three pairs and are respectively connected with three pilot overflow valves, the back surface of the valve body (1) is provided with three connecting holes which are communicated with the corresponding cone valves (4), and the bottom surface of the valve body (1) is provided with an oil return opening (20). The utility model has the advantages of compact structure, time and labor saving for installation, leakage reduction of hydraulic oil, economy, environmental protection and durability.

Description

Three road hydraulic pressure interflow valve

Technical field:

The utility model relates to the hydrovalve technical field, is a kind of integrated three road hydraulic pressure interflow valve specifically.

Background technique:

Run at present when the multichannel oil pump is in parallel to be used, adopt one-way valve to be connected by pipelines such as oil connection, high-pressure rubber pipes with relief valve usually, volume is big, pipeline is many, leakage point is many, complex structure, both uneconomically also is unfavorable for environmental protection.

Summary of the invention:

The purpose of this utility model is to overcome above-mentioned existing technical deficiency, and provide a kind of three road hydraulic pressure to collaborate valve, mainly solve when existing multichannel oil pump is in parallel to be used, one-way valve and relief valve be connected that volume is big, pipeline is many, leakage point is many, complex structure and other problems.

In order to achieve the above object, the utility model is achieved in that three road hydraulic pressure interflow valve, it comprises valve body, its special way is that valve body is a hexahedron, in three holes of its end face, establish three valve seats respectively, in valve seat, establish cone valve, cone valve plays single effect, prevents that hydraulic oil from flowing backwards, and establishes stage clip in cone valve, on stage clip, establish spring abutment, by going out oil clot and bolt valve seat is fixed on the valve body, drives pressure gauge respectively and connect hole and oil outlet on the two sides that goes out correspondence on the oil clot, oil outlet is used for to the hydraulic system fuel feeding, pressure gauge is used for measuring interflow valve working pressure, and pressure gauge connects the hole and oil outlet communicates with three cone valves; On the right side of valve body lower portion, establish first attachment hole and second attachment hole, on the front, establish the 3rd attachment hole and the 4th attachment hole, on the left side, establish the 5th attachment hole and the 6th attachment hole, three pairs of six attachment holes connect with corresponding three precursor overflow valves respectively, play and adjust three pressure fuel pumps and protection oil pump safety effect, first attachment hole, the 3rd attachment hole and the 5th attachment hole communicate with corresponding cone valve respectively; Establish the 7th attachment hole, the 8th attachment hole and the 9th attachment hole in the back, communicate with corresponding cone valve respectively, be connected with three table oil pumps respectively, to interflow valve DFF Direct Fuel Feed; Establish return opening on the bottom surface, return opening communicates with second attachment hole, the 4th attachment hole and the 6th attachment hole.

Three road hydraulic pressure of the present utility model interflow valve is established an O type circle and the 2nd O type circle respectively in the joint of valve seat bottom and top and valve body, establishes the 3rd O type circle in the joint of valve seat top and outlet valve piece, seals respectively.

Compared with the prior art three road hydraulic pressure described in the utility model interflow valve has following good effect: 1, adopt a valve body to design various holes, one-way valve is installed in the hole, substituted oil connection and external one-way valve and hydraulic pipe line; 2, compact structure, it is time saving and energy saving to install, and reduces the leakage of hydraulic oil, and not only economy but also environmental protection are durable in use.

Description of drawings:

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is a hydraulic schematic diagram.

Embodiment:

In order to understand better and to implement, provide specific embodiment below in conjunction with accompanying drawing and describe the utility model three road hydraulic pressure interflow valve in detail.

Embodiment 1, referring to Fig. 1,2, be processed into valve body 1, valve body 1 is a hexahedron, design suitable hole respectively at every, in three holes of the end face of its appointment, three valve seats 3 are installed respectively, three cone valves 4, stage clip 5, spring abutment 7 is loaded on respectively in 3

valve seats

3,4 single effects of cone valve, prevent that hydraulic oil from flowing backwards, by going out oil clot 9 and bolt valve seat 3 is fixed on the valve body 1, goes out that pressure gauge on the oil clot 9 connects hole 10 and oil outlet 21 all communicates with three cone valves 4, oil outlet 21 is used for to the hydraulic system fuel feeding, pressure gauge is used for measuring interflow valve working pressure, the one O type circle 2 and the 2nd O type circle 6 are installed respectively in the joint of valve seat 3 bottoms and top and valve body 1, the 3rd O type circle 8, O type circle 2 are installed in the joint of valve seat 3 tops and

outlet valve piece

9,6,8 seal respectively; On the right side of valve body 1 middle and lower part, offer first attachment hole 11 and second attachment hole 12, precursor overflow valve 22 is installed at

attachment hole

11 and 12 places, on the front, offer the 3rd attachment hole 13 and the 4th attachment hole 14, install and precursor overflow valve 23 at attachment hole 13 and 14 places, on the left side, offer the 5th attachment hole 15 and the 6th attachment hole 16, install and precursor overflow valve 24 at

attachment hole

15 and 16 places, three precursor overflow valves play adjusts three pressure fuel pumps and protection oil pump safety effect, and first attachment hole 11, the 3rd attachment hole 13 and the 5th attachment hole 15 communicate with corresponding cone valve 4 respectively; Offer the 7th attachment hole 17, the 8th attachment hole 18 and the 9th attachment hole 19 in the back, communicate with corresponding cone valve 4 respectively, be used for being connected with three table oil pumps 25, three table oil pumps 25 by

attachment hole

17,18,19 to interflow valve DFF Direct Fuel Feed; Offer return opening 20 on the bottom surface, return opening 20 communicates with

attachment hole

12,14,16.

Three road hydraulic pressure described in the utility model interflow valve, during work, three table oil pumps pass through

attachment hole

17,18,19 respectively to interflow valve DFF Direct Fuel Feed, under the single effect of cone valve, to the hydraulic system fuel feeding, when the overload relief valve was opened, hydraulic oil flowed back to fuel tank by return opening to hydraulic oil by oil outlet, the interflow valve can use by three table oil pumps simultaneously, also can a table oil pump or two table oil pumps use simultaneously.

Claims

1, three road hydraulic pressure interflow valve, it comprises valve body (1), it is characterized in that valve body (1) is a hexahedron, in three holes of its end face, establish three valve seats (3) respectively, in valve seat (3), establish cone valve (4), in cone valve (4), establish stage clip (5), on stage clip (5), establish spring abutment (7), by going out oil clot (9) and bolt valve seat (3) is fixed on the valve body (1), drives pressure gauge respectively on the two sides that goes out the last correspondence of oil clot (9) and connect hole (10) and oil outlet (21), communicate with three cone valves (4); On the right side of valve body (1) middle and lower part, establish first attachment hole (11) and second attachment hole (12), be connected with first precursor overflow valve (22), on the front, establish the 3rd attachment hole (13) and the 4th attachment hole (14), be connected with second precursor overflow valve (23), on the left side, establish the 5th attachment hole (15) and the 6th attachment hole (16), be connected with the 3rd precursor overflow valve (24), first attachment hole (11), the 3rd attachment hole (13) and the 5th attachment hole (15) communicate with corresponding cone valve (4) respectively; On valve body (1) back, establish the 7th attachment hole (17), the 8th attachment hole (18) and the 9th attachment hole (19), communicate with corresponding cone valve (4) respectively; Establish return opening (20) on valve body (1) bottom surface, return opening (20) communicates with second attachment hole (12), the 4th attachment hole (14) and the 6th attachment hole (16).

2, three road hydraulic pressure according to claim 1 collaborate valve, it is characterized in that establishing an O type circle (2) and the 2nd O type circle (6) respectively in the joint of valve seat (3) bottom and top and valve body (1).

3, three road hydraulic pressure according to claim 1 and 2 collaborate valve, it is characterized in that establishing the 3rd O type circle (8) in the joint of valve seat (3) top and outlet valve piece (9).