CN207814072U - The bidirectional relief valve of regulating flow quantity - Google Patents

The bidirectional relief valve of regulating flow quantity Download PDF

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Publication number
CN207814072U
CN207814072U CN201820166070.8U CN201820166070U CN207814072U CN 207814072 U CN207814072 U CN 207814072U CN 201820166070 U CN201820166070 U CN 201820166070U CN 207814072 U CN207814072 U CN 207814072U
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CN
China
Prior art keywords
overflow
mouthfuls
hole
oil
valve
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Active
Application number
CN201820166070.8U
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Chinese (zh)
Inventor
王计亮
王强
王猛
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Shandong Yikaide Hydraulic Co ltd
Original Assignee
Zoucheng Yi Kad Hydraulic Co Ltd
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Priority to CN201820166070.8U priority Critical patent/CN207814072U/en
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Publication of CN207814072U publication Critical patent/CN207814072U/en
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Abstract

The utility model is related to a kind of bidirectional relief valves of regulating flow quantity, including valve body and two overflow valve monomers, valve body is equipped with V1 mouthfuls, C1 mouthfuls, V2 mouthfuls and C2 mouthfuls, V1 mouthfuls of connection is additionally provided on valve body, C1 mouthfuls of the first oil-through-hole be connected to V2 mouthfuls, C2 mouthfuls of the second oil-through-hole, the top of valve body is equipped with the first regulating valve seat corresponding with the first oil-through-hole and the second regulating valve seat corresponding with the second oil-through-hole, first regulating valve seat, the first adjusting screw rod and the second adjusting screw rod are threaded on second regulating valve seat respectively, first adjusting screw rod, the bottom of second adjusting screw rod is respectively fixed with the first seal head to match with the first oil-through-hole and the second seal head to match with the second oil-through-hole, first seal head and the second seal head are taper.The utility model carries flow regulating function, without the additional flow control valve on hydraulic circuit, installation space is greatly saved, also, saved cost.

Description

The bidirectional relief valve of regulating flow quantity
Technical field
The utility model is related to a kind of bidirectional relief valves of regulating flow quantity, belong to overflow valve design field.
Background technology
Overflow valve is common pressure control valve in hydraulic system, can be used as level pressure overflow valve or safety valve.Overflow valve It is generally used for pressure control aspect, and existing overflow valve can only carry out off-load work under fixed nominal flow rate, Wu Fagai Become, control or regulate the output flow of valve, and then is unable to control the movement speed or rotary speed of executive component.In order to adjust Amount of restriction generally requires, early in one flow control valve of additional on hydraulic circuit, not only to waste installation space, Er Qiezeng Cost is added.
Utility model content
According to the above-mentioned deficiencies in the prior art, the technical problems to be solved in the utility model is:It provides a kind of adjustable The bidirectional relief valve of flow.
The bidirectional relief valve of regulating flow quantity described in the utility model, including two overflow valve lists in valve body and valve body Body, valve body are equipped with V1 mouthfuls, C1 mouthfuls, V2 mouthfuls and C2 mouthfuls, and V1 mouthfuls of connection, C1 mouthfuls of the first oil-through-hole are additionally provided on valve body and is connected to V2 mouthfuls, C2 mouthfuls of the second oil-through-hole, the top of valve body are equipped with the first regulating valve seat corresponding with the first oil-through-hole and with second Corresponding second regulating valve seat of oil-through-hole is threaded with the first adjusting on the first regulating valve seat, the second regulating valve seat respectively Screw rod and the second adjusting screw rod, the first adjusting screw rod, the second adjusting screw rod bottom be respectively fixed with and the first oil-through-hole phase The first seal head matched and the second seal head to match with the second oil-through-hole, the first seal head and the second seal head are cone Shape.
By rotating the first adjusting screw rod and the second adjusting screw rod, drive the first seal head and the second seal head respectively the It is axially moved in one regulating valve seat and the second regulating valve seat, it is logical with first respectively to change the first seal head and the second seal head Oilhole and the second oil-through-hole say the area for the annular mouth to be formed, to control flow output.
The first oil pocket corresponding with V1 mouthfuls and the second oil pocket corresponding with V2 mouthfuls, two overflows are equipped in above-mentioned valve body The oil inlet of valve monomer is separately connected the first oil pocket and the second oil pocket, and the oil return opening of two overflow valve monomers is connected separately with first and overflows Oilhole and the second overflow oil return hole are flowed back to, the first overflow oil return hole is connected to V2 mouthfuls by fabrication hole, and the second overflow oil return hole passes through Fabrication hole is connected to V1 mouthfuls.
Above-mentioned overflow valve monomer includes overflow valve deck and relief valve seat, and overflow valve deck is arranged on valve body, overflow valve deck It is interior to be equipped with spring base, it is equipped with overflow spool in relief valve seat, spring is equipped between spring base and overflow spool.
To be slidably connected between above-mentioned spring base and overflow valve deck, overflow valve, which covers, is equipped with tune corresponding with spring base Press screw rod.
Above-mentioned the first overflow oil return hole and the second overflow oil return hole is fabrication hole, and valve body is equipped with to overflow with first respectively Flow back to oilhole and the second corresponding screw plug of overflow oil return hole.
Possessed advantageous effect is the utility model compared with prior art:
The bidirectional relief valve of regulating flow quantity described in the utility model, simple in structure, easy to operate, itself has flow Regulatory function, without on hydraulic circuit additional flow control valve, installation space is greatly saved, also, saved at This.
Description of the drawings
Fig. 1 is the front view of the utility model;
Fig. 2 is the left view of the utility model;
Fig. 3 is the right view of the utility model;
Fig. 4 is the vertical view of the utility model;
Fig. 5 is the sectional view at A-A in Fig. 4;
Fig. 6 is the hydraulic schematic diagram of the utility model.
In figure:1, valve body;2, screw press;3, overflow valve deck;4, the second regulating valve seat;5, the first regulating valve seat;6, Two adjusting screw rods;7, the first adjusting screw rod;8, C2 mouthfuls;9, V2 mouthfuls;10, C1 mouthfuls;11, V1 mouthfuls;12, screw plug;13, the first logical oil Hole;14, the first oil pocket;15, the first seal head;16, relief valve seat;17, oil inlet;18, overflow spool;19, spring;20, bullet Spring abutment;21, the first overflow oil return hole.
Specific implementation mode
The embodiments of the present invention are described further below in conjunction with the accompanying drawings:
As shown in Figures 1 to 6, the bidirectional relief valve of regulating flow quantity described in the utility model, including valve body 1 and valve body Two overflow valve monomers in 1, valve body 1 are equipped with V1 mouths 11, C1 mouths 10, V2 mouths 9 and C2 mouths 8, and connection V1 is additionally provided on valve body 1 Mouthfuls 11, the first oil-through-hole 13 of C1 mouths 10 and the second oil-through-hole for being connected to V2 mouths 9, C2 mouths 8, the top of valve body 1 equipped with and first 13 corresponding first regulating valve seat 5 of oil-through-hole and the second regulating valve seat 4 corresponding with the second oil-through-hole, the first regulating valve seat 5, the first adjusting screw rod 7 and the second adjusting screw rod 6, the first adjusting screw rod 7, are threaded on the second regulating valve seat 4 respectively The bottom of two adjusting screw rods 6 be respectively fixed with the first seal head 15 to match with the first oil-through-hole 13 and with the second oil-through-hole phase Matched second seal head, the first seal head 15 and the second seal head are taper.
By rotating the first adjusting screw rod 7 and the second adjusting screw rod 6, the first seal head 15 and the second seal head difference are driven It is axially moved in the first regulating valve seat 5 and the second regulating valve seat 4, to change the first seal head 15 and the second seal head difference The area of annular mouth is formed by with the first oil-through-hole 13 and the second oil-through-hole, to control flow output.
In preferred embodiment:First oil pocket 14 corresponding with V1 mouths 11 and corresponding with V2 mouths 9 the are equipped in valve body 1 The oil inlet 17 of two oil pockets, two overflow valve monomers is separately connected the first oil pocket 14 and the second oil pocket, the oil return of two overflow valve monomers Mouth is connected separately with the first overflow oil return hole 21 and the second overflow oil return hole, and the first overflow oil return hole 21 is connected to V2 by fabrication hole Mouth 9, the second overflow oil return hole pass through fabrication hole and are connected to V1 mouths 11;Overflow valve monomer includes overflow valve deck 3 and relief valve seat 16, is overflow It flows valve deck 3 to be arranged on valve body 1, spring base 20 is equipped in overflow valve deck 3, overflow spool 18, spring are equipped in relief valve seat 16 Spring 19 is equipped between seat 20 and overflow spool 18;To be slidably connected between spring base 20 and overflow valve deck 3, on overflow valve deck 3 Equipped with screw press corresponding with spring base 20 2;First overflow oil return hole 21 and the second overflow oil return hole are fabrication hole, valve Body 1 is equipped with screw plug corresponding with the first overflow oil return hole 21 and the second overflow oil return hole 12 respectively.
The bidirectional relief valve of regulating flow quantity described in the utility model, it is simple in structure, easy to operate, carry flow-rate adjustment Without the additional flow control valve on hydraulic circuit installation space is greatly saved, also, saved cost in function.

Claims (5)

1. two overflow valve monomers in a kind of bidirectional relief valve of regulating flow quantity, including valve body (1) and valve body (1), valve body (1) It is equipped with V1 mouthfuls (11), C1 mouthfuls (10), V2 mouthfuls (9) and C2 mouthfuls (8), it is characterised in that:V1 mouthfuls of connection is additionally provided on valve body (1) (11), first oil-through-hole (13) of C1 mouthfuls (10) and the second oil-through-hole for being connected to V2 mouthfuls (9), C2 mouthfuls (8), the top of valve body (1) Equipped with the first regulating valve seat (5) corresponding with the first oil-through-hole (13) and the second regulating valve seat corresponding with the second oil-through-hole (4), the first regulating valve seat (5), be threaded with the first adjusting screw rod (7) and second respectively on the second regulating valve seat (4) and adjust Screw rod (6), the first adjusting screw rod (7), the second adjusting screw rod (6) bottom be respectively fixed with and match with the first oil-through-hole (13) The first seal head (15) and the second seal head for matching with the second oil-through-hole, the first seal head (15) and the second seal head are equal For taper.
2. the bidirectional relief valve of regulating flow quantity according to claim 1, it is characterised in that:It is set in the valve body (1) Have the first oil pocket (14) corresponding with V1 mouthfuls (11) and the second oil pocket corresponding with V2 mouthfuls (9), two overflow valve monomers into Hydraulic fluid port (17) is separately connected the first oil pocket (14) and the second oil pocket, and the oil return opening of two overflow valve monomers is connected separately with the first overflow Oil return hole (21) and the second overflow oil return hole, the first overflow oil return hole (21) are connected to V2 mouthfuls (9) by fabrication hole, and second overflows back Oilhole is connected to V1 mouthfuls (11) by fabrication hole.
3. the bidirectional relief valve of regulating flow quantity according to claim 2, it is characterised in that:The overflow valve monomer packet Overflow valve deck (3) and relief valve seat (16) are included, overflow valve deck (3) is arranged on valve body (1), and spring is equipped in overflow valve deck (3) Seat (20), relief valve seat (16) is interior to be equipped with overflow spool (18), and spring is equipped between spring base (20) and overflow spool (18) (19)。
4. the bidirectional relief valve of regulating flow quantity according to claim 3, it is characterised in that:The spring base (20) with To be slidably connected between overflow valve deck (3), overflow valve deck (3) is equipped with screw press (2) corresponding with spring base (20).
5. the bidirectional relief valve of regulating flow quantity according to claim 2, it is characterised in that:The first overflow oil return Hole (21) and the second overflow oil return hole are fabrication hole, valve body (1) be equipped with respectively with the first overflow oil return hole (21) and second The corresponding screw plug of overflow oil return hole (12).
CN201820166070.8U 2018-01-31 2018-01-31 The bidirectional relief valve of regulating flow quantity Active CN207814072U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820166070.8U CN207814072U (en) 2018-01-31 2018-01-31 The bidirectional relief valve of regulating flow quantity

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820166070.8U CN207814072U (en) 2018-01-31 2018-01-31 The bidirectional relief valve of regulating flow quantity

Publications (1)

Publication Number Publication Date
CN207814072U true CN207814072U (en) 2018-09-04

Family

ID=63322828

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820166070.8U Active CN207814072U (en) 2018-01-31 2018-01-31 The bidirectional relief valve of regulating flow quantity

Country Status (1)

Country Link
CN (1) CN207814072U (en)

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Address after: 273522 No. 2998, Yihua Road, Tangcun Town, Zoucheng City, Jining City, Shandong Province

Patentee after: Shandong yikaide Hydraulic Co.,Ltd.

Address before: 273522 No. 2998, Yihua Road, Tangcun Town, Zoucheng City, Jining City, Shandong Province

Patentee before: ZOUCHENG YIKDE HYDRAULIC CO.,LTD.