CN202612761U - Direct-acting type internal-control unidirectional sequence valve - Google Patents
Direct-acting type internal-control unidirectional sequence valve Download PDFInfo
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- CN202612761U CN202612761U CN 201220007357 CN201220007357U CN202612761U CN 202612761 U CN202612761 U CN 202612761U CN 201220007357 CN201220007357 CN 201220007357 CN 201220007357 U CN201220007357 U CN 201220007357U CN 202612761 U CN202612761 U CN 202612761U
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Abstract
The utility model discloses a direct-acting type internal-control unidirectional sequence valve which comprises a valve body (1), a main valve core (2), a relief piston (3) and an adjusting rod (4), wherein a liquid inlet (5) and a liquid outlet (6) are formed on the valve body (1); the main valve core (2), the relief piston (3) and the adjusting rod (4) are arranged in the valve body (1); the external diameter of the head at the upper end of the valve body (1) is greater than that of a part below of the head; an external thread is formed on the part below the head of the valve body; a pressure adjusting spring is connected between the relief piston (3) and the main valve core (2); the adjusting rod is propped against the relief piston (3); a drainage passage (8) is arranged in the valve body; and a valve core passage (9) for communicating the liquid inlet with the liquid outlet is arranged on the main valve core. The external shape of the valve body is similar to a hinged bolt to play an effect of connecting a hydraulic part with a pipeline, so that the direct-acting type internal-control unidirectional sequence valve is arranged with the hinged bolt integrally.
Description
Technical field
The utility model relates to the hydraulic valve field, is a kind of direct-acting type internal control one way sequence valve specifically.
Background technique
Sequence valve is in having the system of two or more duplexures, with controlling liquid pressure valve port is opened and closed, thereby control actuating component realizes the valve of predetermined sequence action.The direct-acting type sequence valve is divided into internal control formula and externally controlled type; Direct-acting type internal control sequence valve judges whether the opening sequence valve according to the fluid pressure of liquid entering hole; Promptly when the pressure at liquid entering hole place greater than and when overcoming the pressure of spring, main valve plug just can make the liquid in-out mouth communicate under the promotion of control liquid; Sequence valve is opened, thereby makes the work of next stage hydraulic element; When needs closing sequence valve, reduce the pressure of liquid entering hole, main valve plug resets under the effect of spring.
Because direct-acting type internal control one way sequence valve generally is used in the hydraulic system; And often need hollow hinge bolt to connect between hydraulic part in the hydraulic system and the pipeline, when needs use direct-acting type internal control one way sequence valve, need on pipeline, to install separately direct-acting type internal control one way sequence valve; Be that direct-acting type internal control one way sequence valve separates with hinge bolt; When installing and use, need distinguish installing and locating, operation bothers relatively, and this moment, rate of fault was also higher; Be unfavorable for maintenance, brought inconvenience to use.
The model utility content
The technical problem that the utility model will solve is, a kind of direct-acting type internal control one way sequence valve that can play interconnect function to the hydraulic part and the pipeline of hydraulic system is provided, and promptly collects hinge bolt and direct-acting type internal control one way sequence valve is an one.
The technical solution of the utility model is; A kind of direct-acting type internal control one way sequence valve of following structure is provided; Comprise valve body, main valve plug, relief piston and adjustable lever, described valve body is provided with liquid entering hole and liquid outlet, and described main valve plug, relief piston and adjustable lever are arranged in the valve body; The external diameter of described valve body upper end head is greater than the external diameter of head with the bottom; Described valve head is provided with outside thread with the bottom; Be connected with pressure adjusting spring between described relief piston and the main valve plug; Described adjustable lever withstands relief piston, is provided with the drainage passage in the described valve body, and described main valve plug is provided with the valve core channel that is used to be communicated with the liquid in-out mouth.
Adopt above structure; The utility model compared with prior art has the following advantages: adopt the utility model; On the valve wall of valve body or valve body lower end offer liquid entering hole and liquid outlet respectively, select the position of offering of liquid entering hole and liquid outlet as required, when the hydraulic pressure of liquid entering hole during less than the pressure of pressure adjusting spring; Main valve plug is closed, and liquid entering hole does not communicate with liquid outlet; When the hydraulic pressure of liquid entering hole during greater than the pressure of pressure adjusting spring; Main valve plug is up to certain position, and liquid entering hole communicates with liquid outlet, and the liquid of liquid entering hole gets into liquid outlet through valve core channel; Liquid flows out from liquid outlet; Make next stage hydraulic element actions, when inlet pressure during less than this valve setting pressure, main valve plug can be under the effect of pressure adjusting spring return; The outer shape of the utility model valve body is equivalent to a hinge bolt; Can play interconnect function to hydraulic part and pipeline; Making the utility model collection hinge bolt and direct-acting type internal control one way sequence valve is one; The location layout of the liquid in-out mouth of this valve and the import of control liquid is more reasonable simultaneously, is convenient to the controlling liquid flow and regulates pressure.
As improvement, be provided with nonreturn valve core, spring I in the described main valve plug and be used to be communicated with the half-duplex channel of liquid in-out mouth, spring I one end is fixed on the main valve plug; The other end is fixed on the nonreturn valve core, and described nonreturn valve core withstands half-duplex channel, promptly on main valve plug, increases one-way valve; At the hydraulic pressure of liquid entering hole during greater than the hydraulic pressure of liquid outlet; One-way valve ends, when the hydraulic pressure of liquid outlet during greater than the hydraulic pressure of liquid entering hole, and the one-way valve conducting; This moment, the liquid at liquid outlet place can be back to liquid entering hole, and it is more convenient that this product is used.
As improvement, described relief piston is the hollow shell-like, opening down, an end of pressure adjusting spring is fixed on the inner bottom part of relief piston, the other end withstands on the main valve plug.Like this, relief piston can make main valve plug stressed evenly preferably to the pressure adjusting spring guiding.
As improvement, described liquid in-out mouth all is arranged on the valve wall of valve body, the valve body lower end sealing; Liquid gets into from liquid entering hole, has overcome the pressure of pressure adjusting spring, rises thereby promote main valve plug; Liquid in-out mouth on the valve body is communicated with, use and easy to adjust through valve core channel.
As improvement, described liquid entering hole is arranged on the valve wall of valve body, and liquid outlet is arranged on the lower end of valve body, and liquid outlet comprises two-part, and a part directly communicates with valve body, and another part extends in the valve wall of valve body and communicates with valve body; Perhaps, liquid outlet is arranged on the valve wall of valve body, and liquid entering hole is arranged on the lower end of valve body, and liquid entering hole comprises two-part, and a part directly communicates with valve body, and another part extends in the valve wall of valve body and communicates with valve body.This is two kinds of design proposals of liquid in-out mouth, and the direction of the one-way valve of these two kinds of designs is opposite, and the design has enlarged the Applicable scope of product in order to satisfy the specific demand of using.
As improvement; Described valve core channel is included in the cavity that forms between groove and the valve interior wall on the main valve plug, and the length of cavity is greater than the beeline between the liquid in-out mouth, and the design of this passage is not only easy to process; And be convenient to regulate, improved the controllability of product.
As improvement, the lower end of described main valve plug is provided with balance spring, and described balance spring one end is connected the lower end of main valve plug; The other end is fixed on valve body lower portion, sets up balance spring, makes the motion of main valve plug more steady; Balance spring and pressure adjusting spring are used simultaneously, regulate convenient.
As improvement, the outer surface of described main valve plug is provided with annular protrusion, and the hydraulic pressure of liquid entering hole is relevant with the end face of main valve plug to the thrust that main valve plug produced like this; After setting up annular protrusion; Reduced the surface of contact of the liquid of main valve plug and liquid entering hole, thereby reduced thrust, made pressure adjusting spring can adapt to higher hydraulic pressure main valve plug; It is more convenient to operate, and main valve plug need not established annular protrusion if system pressure is not high.
Description of drawings
Fig. 1 is the structural representation (embodiment 1) of the utility model direct-acting type internal control one way sequence valve.
Fig. 2 is the structural representation (embodiment 2) of the utility model direct-acting type internal control one way sequence valve.
Fig. 3 is the structural representation (embodiment 3) of the utility model direct-acting type internal control one way sequence valve.
As shown in the figure 1, valve body, 2, main valve plug, 3, relief piston, 4, adjustable lever, 5, liquid entering hole; 6, liquid outlet, 7, pressure adjusting spring, 8, the drainage passage, 9, valve core channel; 10, nonreturn valve core, 11, spring I, 12, half-duplex channel, 13, balance spring; 14, annular protrusion, 15, interior outer nut, 16, set screw nut, 17, handwheel.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is described further.
Like Fig. 1, shown in 2 and 3; The direct-acting type internal control one way sequence valve of the utility model; Comprise valve body 1, main valve plug 2, relief piston 3 and adjustable lever 4, described valve body 1 is provided with liquid entering hole 5 and liquid outlet 6, and described main valve plug 2, relief piston 3 and adjustable lever 4 are arranged in the valve body 1; The external diameter of described valve body 1 upper end head is greater than the external diameter of head with the bottom; Described valve head is provided with outside thread with the bottom; Be connected with pressure adjusting spring 7 between described relief piston 3 and the main valve plug 2; Described adjustable lever 4 withstands relief piston 3, is provided with drainage passage 8 in the described valve body 1, and described main valve plug 2 is provided with the valve core channel 9 that is used to be communicated with the liquid in-out mouth.
Be provided with nonreturn valve core 10, spring I 11 in the described main valve plug and be used to be communicated with the half-duplex channel 12 of liquid in-out mouth, spring I 11 1 ends are fixed on the main valve plug 2, and the other end is fixed on the nonreturn valve core 10, and described nonreturn valve core 10 withstands half-duplex channel 12.
As illustrated in fig. 1 and 2, described relief piston 3 is the hollow shell-like, opening down, an end of pressure adjusting spring 7 is fixed on the inner bottom part of relief piston 3, the other end withstands on the main valve plug 2; As shown in Figure 3, relief piston 3 and Fig. 1,2 different are solid, and two kinds of different embodiments just are all applicable to this product.
Like Fig. 1, described liquid in-out mouth all is arranged on the valve wall of valve body 1, and the valve body lower end base closed has only the drainage aperture, and liquid entering hole is arranged near valve body lower portion one side, and liquid outlet is located at the liquid entering hole top.
Like Fig. 2, shown in 3; Be two kinds of schemes that the liquid in-out mouth is provided with; Be that described liquid entering hole 5 is arranged on the valve wall of valve body 1, liquid outlet 6 is arranged on the lower end of valve body 1, and liquid outlet 6 comprises two-part; A part directly communicates with valve body 1, and another part extends in the valve wall of valve body 1 and communicates with valve body 1; Perhaps, liquid outlet 6 is arranged on the valve wall of valve body 1, and liquid entering hole 5 is arranged on the lower end of valve body 1, and liquid entering hole 5 comprises two-part, and a part directly communicates with valve body 1, and another part extends in the valve wall of valve body 1 and communicates with valve body 1.The drainage passage has two among Fig. 2, in actual the use, can select one of them outlet, and another outlet is blocked.
Described valve core channel 9 is included in the cavity that forms between groove and valve body 1 inwall on the main valve plug 2, and the length of cavity is greater than the beeline between the liquid in-out mouth; Described beeline is meant, the liquid in-out mouth each other near the distance at edge.
The lower end of described main valve plug 2 is provided with balance spring 13, and described balance spring 13 1 ends are connected the lower end of main valve plug 2, and the other end is fixed on valve body 1 bottom.
The outer surface of described main valve plug 2 is provided with annular protrusion 14.Also can not establish annular protrusion when work system pressure is low.
Described valve body 1 upper end is arranged with interior outer nut 15, and described adjustable lever 4 screws in the interior outer nut 15, and adopts 16 pairs of adjustable levers of set screw nut 4 fixing.Described adjustable lever 4 is provided with handwheel 17 in order to the Spin Control adjustable lever.
Below only be described, but can not be interpreted as it is restriction claim with regard to the utility model preferred embodiment.The utility model not only is confined to above embodiment, and its concrete structure allows variation, and like the drainage passage, according to various embodiment, the drainage passage is different in the position of valve body, or the like.In a word, all various variations of in the protection domain of the utility model independent claims, being done are all in the protection domain at the utility model.
Claims (8)
1. direct-acting type internal control one way sequence valve; Comprise valve body (1), main valve plug (2), relief piston (3) and adjustable lever (4); Described valve body (1) is provided with liquid entering hole (5) and liquid outlet (6); Described main valve plug (2), relief piston (3) and adjustable lever (4) are arranged in the valve body (1), it is characterized in that: the external diameter of described valve body (1) upper end head is greater than the external diameter of head with the bottom, and described valve head is provided with outside thread with the bottom; Be connected with pressure adjusting spring (7) between described relief piston (3) and the main valve plug (2); Described adjustable lever (4) withstands relief piston (3), is provided with drainage passage (8) in the described valve body (1), and described main valve plug (2) is provided with the valve core channel (9) that is used to be communicated with the liquid in-out mouth.
2. direct-acting type internal control one way sequence valve according to claim 1; It is characterized in that: be provided with nonreturn valve core (10), spring I (11) in the described main valve plug (2) and be used to be communicated with the half-duplex channel (12) of liquid in-out mouth; Spring I (11) one ends are fixed on the main valve plug (2); The other end is fixed on the nonreturn valve core (10), and described nonreturn valve core (10) withstands half-duplex channel (12).
3. direct-acting type internal control one way sequence valve according to claim 1 is characterized in that: described relief piston (3) is the hollow shell-like, opening down, an end of pressure adjusting spring (7) is fixed on the inner bottom part of relief piston (3), the other end withstands on the main valve plug (2).
4. direct-acting type internal control one way sequence valve according to claim 1 is characterized in that: described liquid in-out mouth all is arranged on the valve wall of valve body (1), the valve body lower end sealing.
5. direct-acting type internal control one way sequence valve according to claim 1; It is characterized in that: described liquid entering hole (5) is arranged on the valve wall of valve body (1); Liquid outlet (6) is arranged on the lower end of valve body (1); Liquid outlet (6) comprises two-part, and a part directly communicates with valve body (1), and another part extends in the valve wall of valve body (1) and communicates with valve body (1); Perhaps, liquid outlet (6) is arranged on the valve wall of valve body (1), and liquid entering hole (5) is arranged on the lower end of valve body (1), and liquid entering hole (5) comprises two-part, and a part directly communicates with valve body (1), and another part extends in the valve wall of valve body (1) and communicates with valve body (1).
6. direct-acting type internal control one way sequence valve according to claim 1; It is characterized in that: described valve core channel (9) is included in the cavity that forms between groove and valve body (1) inwall on the main valve plug (2), and the length of cavity is greater than the beeline between the liquid in-out mouth; Described beeline is meant, the liquid in-out mouth each other near the distance at edge.
7. direct-acting type internal control one way sequence valve according to claim 1; It is characterized in that: the lower end of described main valve plug (2) is provided with balance spring (13); Described balance spring (13) one ends are connected the lower end of main valve plug (2), and the other end is fixed on valve body (1) bottom.
8. direct-acting type internal control one way sequence valve according to claim 1 is characterized in that: the outer surface of described main valve plug (2) is provided with annular protrusion (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220007357 CN202612761U (en) | 2012-01-02 | 2012-01-02 | Direct-acting type internal-control unidirectional sequence valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220007357 CN202612761U (en) | 2012-01-02 | 2012-01-02 | Direct-acting type internal-control unidirectional sequence valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202612761U true CN202612761U (en) | 2012-12-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220007357 Expired - Fee Related CN202612761U (en) | 2012-01-02 | 2012-01-02 | Direct-acting type internal-control unidirectional sequence valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202612761U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102563141A (en) * | 2012-01-02 | 2012-07-11 | 林友根 | Direct-acting internally piloted one-way sequence valve |
| CN108223473A (en) * | 2018-01-17 | 2018-06-29 | 邵立坤 | A kind of one way sequence valve |
| CN109424596A (en) * | 2017-08-28 | 2019-03-05 | 中国石油天然气股份有限公司 | A kind of sequence valve |
| CN114576229A (en) * | 2022-03-01 | 2022-06-03 | 江苏菲尔特液压机械有限公司 | Tubular one-way sequence valve |
-
2012
- 2012-01-02 CN CN 201220007357 patent/CN202612761U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102563141A (en) * | 2012-01-02 | 2012-07-11 | 林友根 | Direct-acting internally piloted one-way sequence valve |
| CN102563141B (en) * | 2012-01-02 | 2013-11-27 | 林友根 | Direct-acting internally piloted one-way sequence valve |
| CN109424596A (en) * | 2017-08-28 | 2019-03-05 | 中国石油天然气股份有限公司 | A kind of sequence valve |
| CN109424596B (en) * | 2017-08-28 | 2023-09-26 | 中国石油天然气股份有限公司 | Sequence valve |
| CN108223473A (en) * | 2018-01-17 | 2018-06-29 | 邵立坤 | A kind of one way sequence valve |
| CN108223473B (en) * | 2018-01-17 | 2020-05-08 | 玉环鸿创阀门有限公司 | One-way sequence valve |
| CN114576229A (en) * | 2022-03-01 | 2022-06-03 | 江苏菲尔特液压机械有限公司 | Tubular one-way sequence valve |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121219 Termination date: 20200102 |