CN207599062U - Safety valve with emulsion recycling function - Google Patents

Safety valve with emulsion recycling function Download PDF

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Publication number
CN207599062U
CN207599062U CN201721701946.6U CN201721701946U CN207599062U CN 207599062 U CN207599062 U CN 207599062U CN 201721701946 U CN201721701946 U CN 201721701946U CN 207599062 U CN207599062 U CN 207599062U
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CN
China
Prior art keywords
safety valve
spool
spring
emulsion
recycling function
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
Application number
CN201721701946.6U
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Chinese (zh)
Inventor
杜建华
韩缚龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Family Estate Mechanical Equipment Co Ltd Of Beijing Huahai
Original Assignee
Family Estate Mechanical Equipment Co Ltd Of Beijing Huahai
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Priority to CN201721701946.6U priority Critical patent/CN207599062U/en
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Publication of CN207599062U publication Critical patent/CN207599062U/en
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Abstract

The utility model is related to a kind of safety valves with emulsion recycling function, are related to time and frequency measurement technical field.The utility model can be overcome and existing be had emulsion recycling functional safety valve and return influence of the liquid back pressure to Opening pressure by male contact, seal spool part, spool, spring base, spring, valve body, the structure design for adjusting plug screw and draining connector;And overcome the existing unrenewable defect of safety valve emulsion.

Description

Safety valve with emulsion recycling function
Technical field
The utility model is related to valve design fields, and in particular to a kind of safety valve with emulsion recycling function.
Background technology
Hydraulic support safety valve at present, majority recycle function without emulsion;Minority is with emulsion recycling function Safety valve, the emulsion of recycling are needed by spring cavity.
There is no the safety valve of emulsion recycling function, when emulsion pressure reaches the setting value of safety valve, emulsion is straight Run in and be put into working environment, not only pollute environment, also result in the waste of emulsion, increase cost.
Safety valve by spring cavity is needed for the emulsion of recycling, the Opening pressure of safety valve can be made by returning liquid back pressure Into influence, so as to influence the security performance of safety valve, simultaneously flowing through the emulsion of spring cavity, there are certain corrosion works to spring With shortening the service life of safety valve.
Utility model content
(1) technical problems to be solved
The technical problems to be solved in the utility model is:How to overcome and existing have emulsion recycling functional safety valve and return liquid Influence of the back pressure to Opening pressure;And overcome the existing unrenewable defect of safety valve emulsion.
(2) technical solution
In order to solve the above-mentioned technical problem, the utility model provides a kind of safety valve with emulsion recycling function, packet Include male contact 1, seal spool part 2, spool 3, spring base 4, spring 5, valve body 6, adjusting plug screw 7 and draining connector 8;
Described 3 one end of spool is connect with male contact 1, and the other end is connect with spring base 4, and 5 one end of spring withstands on spring base 4 On, the other end, which is withstood on, to be adjusted on plug screw 7, spring base 4, and spring 5 adjusts plug screw 7 and is located in valve body 6;Seal spool part 2 is sleeved on valve On core 3;Spool 3 is radially provided with multiple holes, and the hole is connected with the centre bore of draining connector 8.
Preferably, the seal spool part 2 is O-ring seals.
Preferably, the spool 3 is equipped with the hole of two circle radial directions.
Preferably, 3 left end of spool is connect with male contact 1, and right end is connect with spring base 4.
Preferably, the spool 3 can move left and right.
Preferably, the adjusting plug screw 7 is located at 6 bottom of valve body.
(3) advantageous effect
The utility model passes through male contact, seal spool part, spool, spring base, spring, valve body, adjusting plug screw and drain The structure design of connector can overcome and existing have emulsion recycling functional safety valve and return influence of the liquid back pressure to Opening pressure; And overcome the existing unrenewable defect of safety valve emulsion.
Description of the drawings
Fig. 1 is the structure diagram of the utility model.
Specific embodiment
To make the purpose of this utility model, content and advantage clearer, with reference to the accompanying drawings and examples, to this reality It is described in further detail with novel specific embodiment.
As shown in Figure 1, the utility model includes male contact 1, seal spool part 2, spool 3, spring base 4, spring 5, valve Body 6 adjusts plug screw 7, liquid collecting connector 8.
3 one end of spool is connect with male contact 1, and the other end is connect with spring base 4, and 5 one end of spring is withstood on spring base 4, separately One end, which is withstood on, to be adjusted on plug screw 7;Spring base 4, spring 5, the part that adjusts plug screw 7 and spool 3 are located in valve body 6.Spool Sealing element 2 is sleeved on spool 3, is O-ring seals.Spool 3 is radially provided with multiple holes, the hole and the centre bore of draining connector 8 Connection.Spool 3 is equipped with the hole of two circle radial directions.3 left end of spool is connect with male contact 1, and right end is connect with spring base 4, and spool 3 can be left It moves right.
Wherein, male contact 1 is for connection liquid cylinder pressure or the high pressure chest of pipeline;Seal spool part 2 for be isolated high pressure chest with Liquid collecting cavity prevents from leaking;Spool 3 is used to, by moving left and right, be isolated or connect high pressure chest and liquid collecting cavity;Spring base 4 for pair Spring 5 plays the role of positioning;Valve body 6 is used to play support, protective effect to spring 5, spool 3;Adjust plug screw 7:Set up spring 5 Pretightning force;Liquid collecting connector 8 is used to connect back to liquid pipeline.
The installation when in use of the safety valve of the utility model and connection method are:
The high pressure male contact 1 of safety valve and hydraulic cylinder or the corresponding famale connector of pipeline are attached using U-shaped card;It will The liquid collecting connector of liquid collecting hose and safety valve is attached;Liquid collecting hose is connected with emulsion box;When safety valve is opened, own The emulsion of overflow returns to liquid case through liquid collecting hose
The pressure setting method of the safety valve of the utility model is:Safety valve is loaded on to the Special test tooling of testing stand On;Firing test platform to safety valve feed flow, measures the Opening pressure of safety valve;With reference to result of the test, adjusting spiral shell is screwed or unscrewed Plug;The Opening pressure of safety valve is measured again, until reaching required value.
The course of work of the safety valve of the utility model is:The male contact 1 of safety valve is connected with the working chamber of hydraulic cylinder, When hydraulic cylinder works cavity pressure is higher than setting value, the hydraulic coupling acted on spool 3 is more than the pretightning force of spring 5, high pressure Liquid-driving spool 3 moves to the right, and high-pressure emulsion is discharged by the radial hole on spool 3 through draining connector 8.Drain connects First 8 are connected with system liquid back pipe road, and the emulsion of overflow flows through liquid back pipe road and returns in liquid case.After pressure reduction, effect Hydraulic coupling on spool 3 is less than the pretightning force of spring 5, and spring force pushes spool 3 to be moved to the left, cutoff high chamber and collector tube Channel.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art For art personnel, under the premise of the utility model technical principle is not departed from, several improvement and deformation can also be made, these change The scope of protection of the utility model is also should be regarded as into deformation.

Claims (6)

1. a kind of safety valve with emulsion recycling function, which is characterized in that including male contact (1), seal spool part (2), valve Core (3), spring base (4), spring (5), valve body (6) adjust plug screw (7) and draining connector (8);
Described spool (3) one end is connect with male contact (1), and the other end is connect with spring base (4), and spring (5) one end withstands on spring On seat (4), the other end, which is withstood on, to be adjusted on plug screw (7), and spring base (4), spring (5) and adjusting plug screw (7) are respectively positioned on valve body (6) It is interior;Seal spool part (2) is sleeved on spool (3);Spool (3) is radially provided with multiple holes, the hole and the center of draining connector (8) Hole connects.
2. the safety valve as described in claim 1 with emulsion recycling function, which is characterized in that the seal spool part (2) For O-ring seals.
3. the safety valve as described in claim 1 with emulsion recycling function, which is characterized in that the spool (3) is equipped with two Enclose the hole of radial direction.
4. as described in claim 1 with emulsion recycling function safety valve, which is characterized in that spool (3) left end with Male contact (1) connects, and right end is connect with spring base (4).
5. the safety valve according to any one of claims 1 to 4 with emulsion recycling function, which is characterized in that the valve Core (3) can move left and right.
6. the safety valve as claimed in claim 5 with emulsion recycling function, which is characterized in that described adjusting plug screw (7) position In valve body (6) bottom.
CN201721701946.6U 2017-12-08 2017-12-08 Safety valve with emulsion recycling function Active CN207599062U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721701946.6U CN207599062U (en) 2017-12-08 2017-12-08 Safety valve with emulsion recycling function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721701946.6U CN207599062U (en) 2017-12-08 2017-12-08 Safety valve with emulsion recycling function

Publications (1)

Publication Number Publication Date
CN207599062U true CN207599062U (en) 2018-07-10

Family

ID=62763878

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721701946.6U Active CN207599062U (en) 2017-12-08 2017-12-08 Safety valve with emulsion recycling function

Country Status (1)

Country Link
CN (1) CN207599062U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110953007A (en) * 2019-12-11 2020-04-03 西安重装澄合煤矿机械有限公司 Safety valve with flow guide device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110953007A (en) * 2019-12-11 2020-04-03 西安重装澄合煤矿机械有限公司 Safety valve with flow guide device

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