CN204082738U - Relief valve - Google Patents
Relief valve Download PDFInfo
- Publication number
- CN204082738U CN204082738U CN201420433917.6U CN201420433917U CN204082738U CN 204082738 U CN204082738 U CN 204082738U CN 201420433917 U CN201420433917 U CN 201420433917U CN 204082738 U CN204082738 U CN 204082738U
- Authority
- CN
- China
- Prior art keywords
- oil pressure
- adjustment seat
- valve body
- joint
- pressure adjustment
- 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 belongs to valve technology field, particularly relates to a kind of relief valve.It solve the technical problems such as prior art poor practicability.Comprise the valve body with inlet opening and delivery outlet, channel connection is passed through between inlet opening and delivery outlet, the one end being positioned at delivery outlet at passage is provided with one-way valve, oil pressure adjustment seat is provided with at the middle part outer wall of valve body, oil pressure relief regulation structure is provided with in oil pressure adjustment seat, the inlet opening end of valve body is connected with the first Hexagon joint, the second Hexagon joint is connected with at the delivery outlet of valve body, first Hexagon joint is tubular and is provided with the first internal spline at the first Hexagon joint inwall, the first sealing configuration is provided with away from one end of valve body at the first Hexagon joint, second Hexagon joint is tubular and is provided with the second internal spline at the second Hexagon joint inwall, the second sealing configuration is provided with away from one end of valve body at the second Hexagon joint.The utility model advantage is: good airproof performance and practical.
Description
Technical field
The utility model belongs to valve technology field, particularly relates to a kind of relief valve.
Background technique
Relief valve is a kind of hydraulic pressure control valve, in hydraulic equipment, mainly play level pressure overflow effect, voltage stabilizing; system unloaded and safety protection effect, in order to the sealing of installation efficiency and joint can be improved, for this reason; people have carried out long-term exploration, propose solution miscellaneous.
Such as, Chinese patent literature discloses a kind of two-position, two-way limit overflow valve for self-discharging vehicle, [application number: 98229189.2], be equipped with middle part in valve opening and establish stepped valve rod, cover under affixed with valve body and be provided with spring and peak at stem lower portion, hole wall misplace up and down be provided with return opening and pressure oil port and valve body affixed on cover and be provided with through hole, between locking nut and through hole, be provided with dust-proof cover, be equipped with adjustable Limit screw in locking nut.Goods can dump totally not increasing tipper carriage angle of inclination by the program, and it is more outstanding especially to dump adhesive article effect;
Above-mentioned scheme improves the subproblem of prior art to a certain extent, but, also at least there is following defect in the program: the valve body structure of relief valve is complicated and not easily manufacture, in addition, the sealing at relief valve filler opening and oil outlet place is poor, and not easily with the connection and positioning of other pipeline, poor practicability.
Model utility content
The purpose of this utility model is for the problems referred to above, provides that a kind of structure is simple, joint good airproof performance and more practical relief valve.
For achieving the above object, the utility model have employed following technical proposal: this relief valve comprises the valve body with inlet opening and delivery outlet, channel connection is passed through between inlet opening and delivery outlet, the one end being positioned at delivery outlet at passage is provided with one-way valve, oil pressure adjustment seat is provided with at the middle part outer wall of valve body, oil pressure relief regulation structure is provided with in oil pressure adjustment seat, the inlet opening end of described valve body is connected with the first Hexagon joint, the second Hexagon joint is connected with at the delivery outlet of valve body, first Hexagon joint is tubular and is provided with the first internal spline at the first Hexagon joint inwall, the first sealing configuration is provided with away from one end of valve body at the first Hexagon joint, second Hexagon joint is tubular and is provided with the second internal spline at the second Hexagon joint inwall, the second sealing configuration is provided with away from one end of valve body at the second Hexagon joint, oil pressure adjustment seat is provided with the pressure regulating hole with channel connection, the mount inlet be communicated with pressure regulating hole and the enclosed construction closed by mount inlet is provided with at the sidepiece of oil pressure adjustment seat, the positioning disk be positioned at outside oil pressure adjustment seat is provided with in the joint of valve body and oil pressure adjustment seat, some through holes are provided with in the joint of oil pressure adjustment seat and positioning disk, positioning disk is equipped with some connecting bolts, described valve body, first Hexagon joint, second Hexagon joint, oil pressure adjustment seat and positioning disk are connected as a single entity structure.One-way valve and oil pressure relief regulation structure are prior art, mount inlet is for installation or removal oil pressure relief regulation structure, and ensure that dismounting efficiency, the first Hexagon joint and the second Hexagon joint can be convenient to grab take, through hole can save manufacture cost, saves manufactured materials.
In this application, be provided with the first Hexagon joint and can not only improve dismounting efficiency with the second Hexagon joint in conjunction with the first internal spline, the first sealing configuration, the second internal spline and the second sealing configuration, and can also join strength be improved, be easy to dismounting and location, good airproof performance simultaneously; Be provided with oil pressure adjustment seat and can improve practicability further in conjunction with mount inlet and enclosed construction, be convenient to install and regulation and control, be provided with positioning disk and connecting bolt can so that fix whole relief valve or dismantle, structure is simple and practical.
In above-mentioned relief valve, the first described sealing configuration comprises the first circular groove being arranged on the first Hexagon joint inwall, is provided with the first seal ring in the first circular groove, has the first annular sealing plane in the inner side of the first seal ring; The second described sealing configuration comprises the second circular groove being arranged on the second Hexagon joint inwall, is provided with the second seal ring in the second circular groove, has the second ring packing plane in the inner side of the second seal ring.First annular sealing plane and the second ring packing plane can increase area of contact, improve sealing further.
In above-mentioned relief valve, described enclosed construction comprises shut, and shut is fixed in oil pressure adjustment seat by demountable structure, between shut and oil pressure adjustment seat, be provided with sealing configuration.Demountable structure comprises some screws.
In above-mentioned relief valve, described sealing configuration comprises the Gask-O-Seal be arranged between shut and oil pressure adjustment seat, shut is provided with the annular positioning groove of inserting for described Gask-O-Seal, and the groove depth of this annular positioning groove is less than the thickness of Gask-O-Seal.
In above-mentioned relief valve, described positioning disk is in square, and described connecting bolt is four and is located at each bight of positioning disk respectively.
Compared with prior art, the advantage of this relief valve is: 1, valve body structure is simple and be easy to manufacture; 2, be provided with the first Hexagon joint and can not only improve dismounting efficiency with the second Hexagon joint in conjunction with the first internal spline, the first sealing configuration, the second internal spline and the second sealing configuration, and can also join strength be improved, be easy to dismounting and location, good airproof performance simultaneously; Be provided with oil pressure adjustment seat and can improve practicability further in conjunction with mount inlet and enclosed construction, be convenient to install and regulation and control, being provided with positioning disk and connecting bolt can so that fixes whole relief valve or dismantles, practical; 3, design more reasonable and be easy to manufacture, low cost of manufacture; 4, long service life; 5, the first Hexagon joint and the second Hexagon joint can be convenient to grab take.
Accompanying drawing explanation
Fig. 1 is the structural representation that the utility model provides.
Fig. 2 is Fig. 1 plan structure schematic diagram.
Fig. 3 is the enclosed construction schematic diagram that the utility model provides.
Fig. 4 is the simplified structure schematic diagram that the utility model provides.
In figure, valve body 1, inlet opening 1a, delivery outlet 1b, the annular sealing plane 23a of the first Hexagon joint 2, first internal spline 21, first circular groove 22, first seal ring 23, first, the second Hexagon joint 3, second internal spline 31, second circular groove 32, second seal ring 33, second ring packing plane 33a, oil pressure adjustment seat 4, oil pressure relief regulation structure 41, enclosed construction 6, shut 61, Gask-O-Seal 62, annular positioning groove 63, positioning disk 7, connecting bolt 71, through hole 72, one-way valve 8.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be further described in detail.
As shown in Fig. 1-2 and Fig. 4, this relief valve comprises the valve body 1 with inlet opening 1a and delivery outlet 1b, channel connection is passed through between inlet opening 1a and delivery outlet 1b, the one end being positioned at delivery outlet 1b at passage is provided with one-way valve 8, oil pressure adjustment seat 4 is provided with at the middle part outer wall of valve body 1, oil pressure relief regulation structure 41 is provided with in oil pressure adjustment seat 4, oil pressure relief regulation structure 41, after oil enters from inlet opening 1a, flow to one-way valve 8 by passage and discharge from delivery outlet 1b, by rotating thus regulating the oil pressure relief size of the oil in passage.
The first Hexagon joint 2 is connected with at the inlet opening 1a end of valve body 1, the second Hexagon joint 3 is connected with at the delivery outlet 1b of valve body 1, first Hexagon joint 2 and the second Hexagon joint 3 can be convenient to grab take, first Hexagon joint 2 is tubular and is provided with the first internal spline 21 at the first Hexagon joint 2 inwall, the first sealing configuration is provided with away from one end of valve body 1 at the first Hexagon joint 2, concrete, this first sealing configuration comprises the first circular groove 22 being arranged on the first Hexagon joint 2 inwall, the first seal ring 23 is provided with in the first circular groove 22, there is in the inner side of the first seal ring 23 first annular sealing plane 23a.
Second Hexagon joint 3 is tubular and is provided with the second internal spline 31 at the second Hexagon joint 3 inwall, the second sealing configuration is provided with away from one end of valve body 1 at the second Hexagon joint 3, concrete, this second sealing configuration comprises the second circular groove 32 being arranged on the second Hexagon joint 3 inwall, in the second circular groove 32, be provided with the second seal ring 33, in the inner side of the second seal ring 33, there is the second ring packing plane 33a.
Oil pressure adjustment seat 4 is provided with the pressure regulating hole with channel connection, the mount inlet be communicated with pressure regulating hole and the enclosed construction 6 closed by mount inlet is provided with at the sidepiece of oil pressure adjustment seat 4, further, this enclosed construction 6 comprises shut 61, shut 61 is fixed in oil pressure adjustment seat 4 by demountable structure, between shut 61 and oil pressure adjustment seat 4, be provided with sealing configuration;
Optimized project, the sealing configuration of the present embodiment comprises the Gask-O-Seal 62 be arranged between shut 61 and oil pressure adjustment seat 4, shut 61 is provided with the annular positioning groove 63 of inserting for described Gask-O-Seal 62, and the groove depth of this annular positioning groove 63 is less than the thickness of Gask-O-Seal 62.
The positioning disk 7 be positioned at outside oil pressure adjustment seat 4 is provided with in the joint of valve body 1 and oil pressure adjustment seat 4, some through holes 72 are provided with in the joint of oil pressure adjustment seat 4 and positioning disk 7, positioning disk 7 is equipped with some connecting bolts 71, and described valve body 1, first Hexagon joint 2, second Hexagon joint 3, oil pressure adjustment seat 4 and positioning disk 7 are connected as a single entity structure.
Optimized project, the positioning disk 7 of the present embodiment is in square, and described connecting bolt 71 is four and is located at each bight of positioning disk 7 respectively.
In addition, the first Hexagon joint of the present embodiment can not only improve dismounting efficiency with the second Hexagon joint in conjunction with the first internal spline, the first sealing configuration, the second internal spline and the second sealing configuration, and can also join strength be improved, be easy to dismounting and location, good airproof performance simultaneously; The maximum service pressure of the present embodiment is 1Mpa, operating temperature range :-40 DEG C to+80 DEG C, oil pressure relief: 600-40Kpa.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Although more employ valve body 1 herein, inlet opening 1a, delivery outlet 1b, first Hexagon joint 2, first internal spline 21, first circular groove 22, first seal ring 23, first annular sealing plane 23a, second Hexagon joint 3, second internal spline 31, second circular groove 32, second seal ring 33, second ring packing plane 33a, oil pressure adjustment seat 4, oil pressure relief regulation structure 41, enclosed construction 6, shut 61, Gask-O-Seal 62, annular positioning groove 63, positioning disk 7, connecting bolt 71, through hole 72, term such as one-way valve 8 grade, but do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present utility model more easily; The restriction that they are construed to any one additional is all contrary with the utility model spirit.
Claims (5)
1. a relief valve, comprise the valve body (1) with inlet opening (1a) and delivery outlet (1b), channel connection is passed through between inlet opening (1a) and delivery outlet (1b), the one end being positioned at delivery outlet (1b) at passage is provided with one-way valve (8), oil pressure adjustment seat (4) is provided with at the middle part outer wall of valve body (1), oil pressure relief regulation structure (41) is provided with in oil pressure adjustment seat (4), it is characterized in that, inlet opening (1a) end of described valve body (1) is connected with the first Hexagon joint (2), the second Hexagon joint (3) is connected with at the delivery outlet (1b) of valve body (1), first Hexagon joint (2) is in tubular and be provided with the first internal spline (21) at the first Hexagon joint (2) inwall, the first sealing configuration is provided with away from one end of valve body (1) at the first Hexagon joint (2), second Hexagon joint (3) is in tubular and be provided with the second internal spline (31) at the second Hexagon joint (3) inwall, the second sealing configuration is provided with away from one end of valve body (1) at the second Hexagon joint (3), oil pressure adjustment seat (4) is provided with the pressure regulating hole with channel connection, the mount inlet be communicated with pressure regulating hole and the enclosed construction (6) closed by mount inlet is provided with at the sidepiece of oil pressure adjustment seat (4), the positioning disk (7) being positioned at oil pressure adjustment seat (4) outside is provided with in the joint of valve body (1) and oil pressure adjustment seat (4), some through holes (72) are provided with in the joint of oil pressure adjustment seat (4) and positioning disk (7), positioning disk (7) is equipped with some connecting bolts (71), described valve body (1), first Hexagon joint (2), second Hexagon joint (3), oil pressure adjustment seat (4) and positioning disk (7) are connected as a single entity structure.
2. relief valve according to claim 1, it is characterized in that, the first described sealing configuration comprises the first circular groove (22) being arranged on the first Hexagon joint (2) inwall, in the first circular groove (22), be provided with the first seal ring (23), there is in the inner side of the first seal ring (23) the first annular sealing plane (23a); The second described sealing configuration comprises the second circular groove (32) being arranged on the second Hexagon joint (3) inwall, in the second circular groove (32), be provided with the second seal ring (33), there is in the inner side of the second seal ring (33) the second ring packing plane (33a).
3. relief valve according to claim 1 and 2, it is characterized in that, described enclosed construction (6) comprises shut (61), shut (61) is fixed in oil pressure adjustment seat (4) by demountable structure, between shut (61) and oil pressure adjustment seat (4), be provided with sealing configuration.
4. relief valve according to claim 3, it is characterized in that, described sealing configuration comprises the Gask-O-Seal (62) be arranged between shut (61) and oil pressure adjustment seat (4), shut (61) is provided with the annular positioning groove (63) of inserting for described Gask-O-Seal (62), and the groove depth of this annular positioning groove (63) is less than the thickness of Gask-O-Seal (62).
5. relief valve according to claim 4, is characterized in that, described positioning disk (7) is in square, and described connecting bolt (71) is four and is located at each bight of positioning disk (7) respectively.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420433917.6U CN204082738U (en) | 2014-08-03 | 2014-08-03 | Relief valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420433917.6U CN204082738U (en) | 2014-08-03 | 2014-08-03 | Relief valve |
Publications (1)
Publication Number | Publication Date |
---|---|
CN204082738U true CN204082738U (en) | 2015-01-07 |
Family
ID=52175461
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201420433917.6U Expired - Fee Related CN204082738U (en) | 2014-08-03 | 2014-08-03 | Relief valve |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN204082738U (en) |
-
2014
- 2014-08-03 CN CN201420433917.6U patent/CN204082738U/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: 20150107 Termination date: 20150803 |
|
EXPY | Termination of patent right or utility model |