CN203023523U - Valve - Google Patents

Valve Download PDF

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Publication number
CN203023523U
CN203023523U CN 201220685225 CN201220685225U CN203023523U CN 203023523 U CN203023523 U CN 203023523U CN 201220685225 CN201220685225 CN 201220685225 CN 201220685225 U CN201220685225 U CN 201220685225U CN 203023523 U CN203023523 U CN 203023523U
Authority
CN
China
Prior art keywords
valve
spool
pocket
valve pocket
gap
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
Application number
CN 201220685225
Other languages
Chinese (zh)
Inventor
刘震捷
张华�
刘明清
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.)
Beiqi Foton Motor Co Ltd
Original Assignee
Beiqi Foton Motor Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Beiqi Foton Motor Co Ltd filed Critical Beiqi Foton Motor Co Ltd
Priority to CN 201220685225 priority Critical patent/CN203023523U/en
Application granted granted Critical
Publication of CN203023523U publication Critical patent/CN203023523U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a valve. The valve comprises a valve core (1) and a valve sleeve (2). The valve core (1) is inlaid in the valve sleeve (2) and is capable of moving along the axial direction relative to the valve sleeve (2). The valve further comprises a glyd ring (3). An annular protrusion (6) is formed in the middle portion of a peripheral wall (5) of the valve sleeve (2). A sealing groove is formed in a side wall (4), corresponding to the annular protrusion (6), of the valve core (1). The glyd ring (3) is installed in the sealing groove and presses on and abuts against the valve sleeve (2). According to the valve, seal is formed between the valve core and the valve sleeve through the glyd ring, moving resistance of the valve core is reduced, reaction sensitivity of the valve is improved and response time is reduced.

Description

Valve
Technical field
The utility model relates to Hydraulic Field, particularly, relates to a kind of valve.
Background technique
In the hydraulics field, the advantage such as it is little that a lot of valves (for example two-way plug-in valve) have flow resistance, and oil filling capacity is strong, is quick on the draw, and switch speed is fast is widely used in the hydraulic system of high-pressure high-flow.In the hydraulic system of existing machinery industry, more and more higher for sealing and the leakage rate requirement of this type of valve, require simultaneously its structure to be easy to assemble and follow-up maintenance requirement.
Describe as an example of two-way plug-in valve example, two-way plug-in valve comprises spool and valve pocket usually, and O RunddichtringO and O RunddichtringO is being set on spool between spool and valve pocket, to guarantee the sealing between spool and valve pocket, Leakage prevention.But, because O RunddichtringO friction factor is larger, affect the motion of spool, the motion of spool is caused larger resistance, and then affect the reaction sensitivity of two-way plug-in valve, increase the response time, the use of two-way plug-in valve is caused adverse effect.In addition, the O RunddichtringO easily weares and teares, and cause sealing to reduce, and working life is shorter, causes the maintenance rate of two-way plug-in valve higher, needs the frequent O of replacing RunddichtringO.
The model utility content
The purpose of this utility model is to provide a kind of valve, and this valve adopts Glais ring to form sealing between spool and valve pocket, reduces the resistance to motion of spool, improves the reaction sensitivity of valve, reduces the response time.
To achieve these goals, the utility model provides a kind of valve, this valve comprises spool and valve pocket, described spool is nested in described valve pocket and described spool can move vertically with respect to described valve pocket, wherein, described valve also comprises Glais ring, and the middle part of the perisporium of described valve pocket is formed with annular protrusion, be formed with seal groove on the sidewall corresponding with described annular protrusion of described spool, described Glais ring is arranged in described seal groove and is pressed against on described valve pocket.
Preferably, the thickness of the sidewall of described spool is 5cm ~ 20cm.
Preferably, be formed with balancing slit on the sidewall of described spool, this balancing slit is along circumferentially arranging.
Preferably, described balancing slit is a plurality of, and these a plurality of balancing slits interval vertically arrange.
Preferably, described valve also comprises valve gap, and this valve gap is connected to the upper end of described valve pocket.
Preferably, described valve also comprises spring, and this spring is arranged between described valve gap and described spool.
Preferably, described valve also comprises valve body, and described spool, valve pocket and valve gap are installed in described valve body.
Preferably, described valve is two-way plug-in valve.
Pass through technique scheme, because the Glais ring friction factor is little, high pressure resistant, wear-resistant, good airproof performance, Glais ring is installed on spool, it is less that spool is subject to surface friction drag, both guaranteed to have sealing preferably between spool and valve pocket, can not affect again the motion of spool, make the reaction sensitivity of valve higher, reduce the response time.Simultaneously, the working life of Glais ring is longer, reduces the maintenance rate of valve.Because the installation dimension of Glais ring is larger, need the sidewall of thickening spool, with installation requirement and the structural strength requirement of satisfying Glais ring, and then can cause the thickness of the perisporium of valve pocket to reduce.For the structural strength that guarantees valve pocket be subjected to force intensity, the middle part of the perisporium of valve pocket thickeies and the formation annular protrusion, the lateral pressure Main Function that valve core movement produces so neither can affect the installation of valve pocket in herein, has guaranteed that again valve pocket bears the intensity of the lateral pressure of spool and Glais ring.
Other feature and advantage of the present utility model will partly be described in detail in embodiment subsequently.
Description of drawings
Accompanying drawing is to be used to provide further understanding of the present utility model, and consists of the part of specification, is used from explanation the utility model with following embodiment one, but does not consist of restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of the valve of embodiment of the present utility model.
Description of reference numerals
1 spool 2 valve pockets
3 Glais ring 4 sidewalls
5 perisporium 6 annular protrusions
7 balancing slit 8 valve gaps
9 spring 10 valve bodies
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated.Should be understood that, embodiment described herein only is used for description and interpretation the utility model, is not limited to the utility model.
As shown in Figure 1, embodiment of the present utility model provides a kind of valve, this valve comprises spool 1 and valve pocket 2, described spool 1 is nested in described valve pocket 2 and described spool 1 can move vertically with respect to described valve pocket 2, wherein, described valve also comprises Glais ring 3, and the middle part of the perisporium 5 of described valve pocket 2 is formed with annular protrusion 6, be formed with seal groove on the sidewall 4 corresponding with described annular protrusion 6 of described spool 1, described Glais ring 3 is arranged in described seal groove and is pressed against on described valve pocket 2.
Because Glais ring 3 friction factor are little, high pressure resistant, wear-resistant, good airproof performance is installed Glais ring 3 on spool 1, it is less that spool 1 is subject to surface friction drag, both guaranteed to have sealing preferably between spool 1 and valve pocket 2, can not affect again the motion of spool 1, make the reaction sensitivity of valve higher, reduce the response time.Simultaneously, the working life of Glais ring 3 is longer, reduces the maintenance rate of valve.Because the installation dimension of Glais ring 3 is larger, need the sidewall 4 of thickening spool 1, with installation requirement and the structural strength requirement of satisfying Glais ring 3, and then can cause the thickness of the perisporium 5 of valve pocket 2 to reduce.For the structural strength that guarantees valve pocket 2 be subjected to force intensity, the middle part of the perisporium 5 of valve pocket 2 thickeies and formation annular protrusion 6, the lateral pressure Main Function that spool 1 motion produces is in herein, so neither can affect the installation of valve pocket 2, guarantee that again valve pocket 2 bears the intensity of the lateral pressure of spool 1 and Glais ring 3.Seal groove is arranged on the sidewall 4 of spool 1, is convenient to processing and makes, and possesses good processability.
As shown in Figure 1, preferably, the thickness of the sidewall 4 of described spool 1 is 5cm ~ 20cm, has so both guaranteed that spool 1 has enough force intensitys that is subjected to, can be not impaired in the process of motion, and the manufacture difficulty that can not cause again other parts is large and can't install.
Stressed for balance valve core 1 as shown in Figure 1, preferably, is formed with balancing slit 7 on the sidewall 4 of described spool 1, and this balancing slit 7 is along circumferentially arranging.Balancing slit 7 forms ring-type usually, thereby the pressure on all directions that can balance valve core 1 be subject to makes spool 1 keep balance, prevents from the process of spool 1 motion, clamping stagnation occuring.In addition, due to the hydraulic oil that can hold in balancing slit 7 in valve, thereby can strengthen lubrication between spool 1 and valve pocket 2.Balancing slit 7 is arranged on the sidewall 4 of spool 1, is convenient to processing and makes, and possesses good processability.
As shown in Figure 1, in order to improve the stress balance of whole valve body 1, preferably, described balancing slit 7 is a plurality of, and these a plurality of balancing slits 7 interval vertically arrange.Evenly the interval arranges a plurality of balancing slits 7 on the axial direction of spool 1, with the assurance spool 1 equal stress balance in each position in axial direction, and all has lubrication preferably.
Valve is after using a period of time, and inevitably inner body can be subjected to damage to a certain extent, and for maintenance and the renewal part that facilitates valve, as shown in Figure 1, preferably, described valve also comprises valve gap 8, and this valve gap 8 is connected to the upper end of described valve pocket 2.Valve gap 8 is provided with seal ring with the joint of valve pocket 2, to guarantee sealing between the two.Valve gap 8 in valve body 10 inside, in the time of need to keeping in repair valve, can disassemble the Part Encapsulations such as spool 1, valve pocket 2, spring 9 with valve gap 8, thereby changes inner body.In addition, valve is mainly formed by spool 1, valve pocket 2 and valve gap 8 three part-structures, makes the assembling of valve and installation be more prone to, and makes also more convenient.
As shown in Figure 1, be pressed against on valve pocket 2 in order to guarantee spool 1 to be subject to certain pretightening force, to block hydraulic fluid port, preferably, described valve also comprises spring 9, and this spring 9 is arranged between described valve gap 8 and described spool 1.The interior formation hollow portion of spool 1, the part of spring 9 are contained in this hollow portion and an end is resisted against on spool 1, and the other end of spool 1 is resisted against on valve gap 8, and valve gap 8 is encapsulated in inside with it.Spring 9 has certain elastic force under installment state, thereby can apply certain pretightening force to spool 1, makes spool 1 stably be pressed against on valve pocket 2, and forming reliable sealing, and then valve is in closed condition.When the hydraulic oil in valve pocket 1 acted on pressure on spool 1 greater than the elastic force of spring 9, spool 1 moved under the pressure-acting of hydraulic oil, thereby valve is on state.
For convenient whole valve is arranged on other device, as shown in Figure 1, preferably, described valve also comprises valve body 10, and described spool 1, valve pocket 2 and valve gap 8 are installed in described valve body 10.Valve body 10 provides the assembling place for spool 1, valve pocket 2 and valve gap 8, and the three is coaxial is arranged in valve body 10, and the connection that makes spool 1, valve pocket 2 be connected with valve gap is simpler, convenient, and structure is more stable.
Because two-way plug-in valve requires less flow resistance, the structure of reaction velocity, so valve of the present utility model faster is specially adapted to two-way plug-in valve.Preferably, described valve is two-way plug-in valve.Therefore, adopt the better tightness of the two-way plug-in valve of said structure, the resistance to motion of spool is less, has improved the reaction sensitivity of valve, has reduced the response time.
Below describe by reference to the accompanying drawings preferred implementation of the present utility model in detail; but; the utility model is not limited to the detail in above-mentioned mode of execution; in technical conceive scope of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
Need to prove in addition, each concrete technical characteristics described in above-mentioned embodiment in reconcilable situation, can make up by any suitable mode, for fear of unnecessary repetition, the utility model is to the explanation no longer separately of various possible compound modes.
In addition, also can carry out combination in any between various mode of execution of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.

Claims (8)

1. valve, this valve comprises spool (1) and valve pocket (2), described spool (1) is nested in described valve pocket (2) and described spool (1) can move vertically with respect to described valve pocket (2), it is characterized in that, described valve also comprises Glais ring (3), the middle part of the perisporium (5) of described valve pocket (2) is formed with annular protrusion (6), be formed with seal groove on the sidewall (4) corresponding with described annular protrusion (6) of described spool (1), described Glais ring (3) is arranged in described seal groove and is pressed against on described valve pocket (2).
2. valve according to claim 1, is characterized in that, the thickness of the sidewall (4) of described spool (1) is 5cm ~ 20cm.
3. valve according to claim 1, is characterized in that, is formed with balancing slit (7) on the sidewall (4) of described spool (1), and this balancing slit (7) is along circumferentially arranging.
4. valve according to claim 3, is characterized in that, described balancing slit (7) is a plurality of, and these a plurality of balancing slits (7) interval vertically arrange.
5. valve according to claim 1, is characterized in that, described valve also comprises valve gap (8), and this valve gap (8) is connected to the upper end of described valve pocket (2).
6. valve according to claim 5, is characterized in that, described valve also comprises spring (9), and this spring (9) is arranged between described valve gap (8) and described spool (1).
7. valve according to claim 5, is characterized in that, described valve also comprises valve body (10), and described spool (1), valve pocket (2) and valve gap (8) are installed in described valve body (10).
8. valve according to claim 1, is characterized in that, described valve is two-way plug-in valve.
CN 201220685225 2012-12-12 2012-12-12 Valve Expired - Fee Related CN203023523U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220685225 CN203023523U (en) 2012-12-12 2012-12-12 Valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220685225 CN203023523U (en) 2012-12-12 2012-12-12 Valve

Publications (1)

Publication Number Publication Date
CN203023523U true CN203023523U (en) 2013-06-26

Family

ID=48647510

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220685225 Expired - Fee Related CN203023523U (en) 2012-12-12 2012-12-12 Valve

Country Status (1)

Country Link
CN (1) CN203023523U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107725844A (en) * 2017-08-30 2018-02-23 武汉船用机械有限责任公司 A kind of valve
CN108167459A (en) * 2017-12-11 2018-06-15 浙江大学 A kind of voltage stabilizing pin structure for being used to compensate in-flow inserted valve closing direction hydraulic power
CN109555742A (en) * 2018-12-10 2019-04-02 攀枝花钢城集团瑞钢工业有限公司 The quick maintenance method of inserted valve in hydraulic cylinder

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107725844A (en) * 2017-08-30 2018-02-23 武汉船用机械有限责任公司 A kind of valve
CN107725844B (en) * 2017-08-30 2019-08-23 武汉船用机械有限责任公司 A kind of valve
CN108167459A (en) * 2017-12-11 2018-06-15 浙江大学 A kind of voltage stabilizing pin structure for being used to compensate in-flow inserted valve closing direction hydraulic power
CN109555742A (en) * 2018-12-10 2019-04-02 攀枝花钢城集团瑞钢工业有限公司 The quick maintenance method of inserted valve in hydraulic cylinder

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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: 20130626

Termination date: 20171212