CN210003912U - handle proportional valve - Google Patents
handle proportional valve Download PDFInfo
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- CN210003912U CN210003912U CN201920415775.3U CN201920415775U CN210003912U CN 210003912 U CN210003912 U CN 210003912U CN 201920415775 U CN201920415775 U CN 201920415775U CN 210003912 U CN210003912 U CN 210003912U
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Abstract
The utility model relates to a control valve technical field specifically discloses handle proportional valve, this handle proportional valve includes proportional valve and handle components, handle components includes the cam, handle and base, the pivot is located to the equal fixed cover of handle and cam, the pivot is rotated and is set up on the base, the base can be dismantled with the valve casing and be connected, the global tip butt with the promotion valve barrel of proportional valve of cam, the case that the cam passes through promotion valve barrel drive proportional valve is slided to the second position by position, thereby can realize the control to actuating mechanism, compare prior art, the cam only need with the contact of promotion valve casing, and the connection can be dismantled to the valve casing of base and proportional valve, when the internal component of handle proportional valve is maintained to needs, only need dismantle the base from the valve casing and just can separate handle components and proportional valve, moreover, the steam generator is simple in structure, and convenient for operation, maintenance efficiency can be effectively improved.
Description
Technical Field
The utility model relates to a control valve technical field especially relates to kinds of handle proportional valves.
Background
At present, the handle proportional valve has been used in a large number on the walking mechanical equipment, and this kind of product both can realize remote operation through control solenoid valve, also can realize closely control through operating handle, and is very convenient to equipment uses, and current handle proportional valve is split type structure usually, and during the use, the spare part of proportional valve need install alone on the base.
For example, in the former patent with application number CN201810612369.6, kinds of hydraulic control-manual double control proportional valves are disclosed, which comprises a handle assembly, the handle assembly comprises a fixing ring, a th connecting rod, a handle and a second connecting rod, the fixing ring is sleeved on an end cover, the right end of the th connecting rod is pivotably connected with the fixing ring, and the left end of the th connecting rod extends leftwards and protrudes out of the left end surface of the end cover.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide handle proportional valves to solve the problem of inconvenient maintenance of the handle proportional valve in the prior art.
The utility model provides an handle proportional valve, this handle proportional valve include the proportional valve, the proportional valve includes valve casing, case, promotion valve barrel and elastic component, be equipped with the valve pocket in the valve casing, be equipped with on the valve casing with oil inlet and the oil-out of valve pocket intercommunication, the case slides and is located in the valve pocket, promote the valve barrel with valve pocket sliding fit just is used for promoting the case slides, be equipped with the draining port on the promotion valve barrel, the case has position and second position, works as the case is located when the second position, the oil inlet with the oil-out intercommunication, works as the case is located when the position, the oil inlet with draining port intercommunication, the elastic component is used for driving the case by the second position to position slides, this handle proportional valve still includes:
handle components, including cam, handle and base, the handle with the pivot is located to the equal fixed cover of cam, the pivot rotate set up in on the base, the base with the connection can be dismantled to the valve casing, the cam global with the tip butt that promotes the valve barrel, the cam can lead to the promotion promote the valve barrel motion, with the drive the case by the th position to the second position slides.
Preferably, the base is threadedly connected to the valve housing.
Preferably, a flange is arranged on the valve casing, and the base is connected with the flange through a connecting piece.
Preferably, the elastic member is an th compression spring, the th compression spring and the push valve sleeve are respectively located at two ends of the valve core, a th end of the th compression spring abuts against the valve core, and a second end of the th compression spring is arranged to abut against the valve housing.
Preferably, the valve cavity is divided into an th cavity and a second cavity by the valve core, the oil outlet is communicated with the th cavity, the th compressed spring is located in the th cavity, the oil inlet is located between the th cavity and the second cavity, an oil passage is arranged in the valve core, a through hole communicated with the oil passage is further arranged on the side wall of the valve core, when the valve core is located at the th position, the oil inlet is not communicated with the through hole and the oil passage is communicated with the th cavity and the second cavity, and when the valve core is located at the second position, the oil inlet is communicated with the through hole and the oil passage is only communicated with the th cavity.
Preferably, the oil passage includes th and second passages communicating with each other, the th passage extends in the sliding direction of the valve element, the end of the th passage communicates with the th chamber, the second passage passes through the circumferential surface of the valve element, an opening of the second passage is located in the second chamber when the valve element is located at the th position, and the second passage is located outside the second chamber and the opening of the second passage is blocked by an inner wall of the valve housing when the valve element is located at the second position.
Preferably, the oil passage is T-shaped, and the second passage penetrates through the valve element in a radial direction of the valve element.
Preferably, the proportional valve further comprises a second pressure spring, the second pressure spring is located in the second cavity, and two ends of the second pressure spring are respectively abutted to the valve core and the push valve sleeve.
Preferably, the proportional valve further comprises a third pressure spring, the second pressure spring is sleeved with the third pressure spring, and the third pressure spring is respectively abutted against the push valve sleeve and the valve casing.
Preferably, the proportional valve further comprises a pressure regulating member, the pressure regulating member is in threaded connection with the valve housing, an th end of the pressure regulating member is located in the th cavity, a second end of the pressure regulating member is located outside the valve housing, and a second end of the th compression spring abuts against the pressure regulating member.
The utility model has the advantages that:
the utility model provides an handle proportional valve, this handle proportional valve includes proportional valve and handle components, the proportional valve includes the valve casing, the case, promote valve barrel and elastic component, handle components includes the cam, handle and base, the pivot is located to the equal fixed cover of handle and cam, the pivot is rotated and is set up on the base, the base can be dismantled with the valve casing and be connected, the global tip butt with the promotion valve barrel of cam, the cam can realize the control to actuating mechanism by position to the second position slip through promoting valve barrel drive valve core, compare prior art, the cam only need with promote the valve barrel contact, and the connection can be dismantled to base and valve casing, when the internals of handle proportional valve is maintained to needs, only need dismantle the base from the valve casing and just can separate handle components and proportional valve, moreover, the steam generator is simple in structure, and convenient for operation, can effectively improve maintenance efficiency.
Drawings
Fig. 1 is a schematic structural diagram of a handle proportional valve according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a handle proportional valve in an embodiment of the present invention.
In the figure:
1. the oil-saving valve comprises a proportional valve, a valve shell, a valve body 111, an oil inlet, a valve outlet 112, a valve core 113, an th cavity, a valve body 114, a second cavity 12, a valve core 121, an oil passage 1211, a th channel 1212, a second channel 122, a through hole 13, a pushing valve sleeve 131, an oil drainage port 14, a th pressure spring 15, a second pressure spring 16, a third pressure spring 17, a pressure regulating part 18 and a flange;
2. a handle assembly; 21. a cam; 22. a handle; 23. a rotating shaft; 24. a base.
Detailed Description
The technical solution of the present invention will be further explained by means of specific embodiments with reference to the drawings.
As shown in fig. 1-2, the present embodiment provides kinds of handle proportional valves, the handle proportional valve includes a proportional valve 1 and a handle assembly 2, the proportional valve 1 includes a valve housing 11, a valve core 12, a push valve housing 13 and an elastic member, a valve cavity is disposed in the valve housing 11, the valve housing 11 is provided with an oil inlet 111 and an oil outlet 112 communicated with the valve cavity, the valve core 12 is slidably disposed in the valve cavity, the push valve housing 13 is slidably fitted with the valve cavity and is used for pushing the valve core 12 to slide, the push valve housing 13 is provided with an oil drain port 131, the valve core 12 has a th position and a second position, when the valve core 12 is located at the second position, the oil inlet 111 is communicated with the oil outlet 112, when the valve core 12 is located at the th position, the oil inlet 111 is communicated with the oil drain port 131, the elastic member is used for driving the valve core 12 to slide from the second position to the th position, it should be noted that the oil outlet 112 is used for being connected with an actuator, the oil inlet 111 is connected with an external oil source, when the valve core 12 is located at the second position, the oil inlet 111 is driven by.
The handle assembly 2 comprises a cam 21, a handle 22 and a base 24, the handle 22 and the cam 21 are fixedly sleeved on a rotating shaft 23, the rotating shaft 23 is rotatably arranged on the base 24, the base 24 is detachably connected with the valve casing 11, the circumferential surface of the cam 21 is abutted to the end part of the pushing valve sleeve 13, the cam 21 drives the pushing valve sleeve 13 to slide relative to the valve casing 11 so as to drive the valve core 12 to slide from the th position to the second position, it can be understood that the outer circumferential surface of the cam 21 is a smooth curved surface, and the cam 21 can drive the valve core 12 to perform stepless position adjustment from the th position to the second position by pushing the valve sleeve 13.
In the embodiment, the circumferential surface of the cam 21 is abutted against the push valve sleeve 13, in the rotating process of the cam 21, the push valve sleeve 13 is driven to move, the valve core 12 is driven to move, the control on the actuating mechanism is realized, and the base 24 is detachably connected with the valve casing 11. Compared with the prior art, when the internal components of the handle proportional valve are required to be maintained, the handle assembly 2 and the proportional valve 1 can be separated only by detaching the base 24 from the valve casing 11, the overall structure of the handle assembly 2 is simple, the operation is convenient, and the maintenance efficiency can be effectively improved.
Alternatively, the base 24 is screwed with the valve housing 11, and it is possible to provide an external thread on the outer surface of the valve housing 11, to provide a mounting hole on the base 24, and to provide an internal thread on the inner wall of the mounting hole, the internal thread and the external thread being screw-engaged. Of course, the valve housing 11 may be internally threaded and the base 24 may be externally threaded.
Alternatively, base 24 is attached to valve housing 11 via flange 18 and connectors, flange 18 is mounted to valve housing 11, and base 24 and flange 18 are bolted together, flange 18 may be integral with valve housing 11 or may be separate from valve housing 11.
Optionally, a plurality of cams 21 are simultaneously installed on the rotating shaft 23, proportional valves 1 are respectively installed on each cam 21, and the rotating handle 22 can simultaneously operate the plurality of proportional valves 1.
In this embodiment, the elastic member is a th compressed spring 14, the th compressed spring 14 and the pushing valve housing 13 are respectively located at two ends of the valve core 12, a th end of the th compressed spring 14 abuts against the valve core 12, and a second end of the th compressed spring 14 is configured to abut against the valve housing 11.
Specifically, the valve core 12 divides the valve cavity into a th cavity 113 and a second cavity 114, the oil outlet 112 is communicated with an th cavity 113, the th compressed spring 14 is located in the th cavity 113, the oil inlet 111 is located between the th cavity 113 and the second cavity 114, an oil passage 121 is arranged in the valve core 12, a through hole 122 communicated with the oil passage 121 is further arranged on the side wall of the valve core 12, when the valve core 12 is located at the th position, the oil inlet 111 is not communicated with the through hole 122 and the oil passage 121 is communicated with the th cavity 113 and the second cavity 114, when the valve core 12 is located at the second position, the hydraulic oil enters the oil passage 121 through the oil inlet 111 and the through hole 122 and flows out of the oil 112 through the th cavity 113 and can be used for controlling the movement of the actuator mechanism.
Optionally, the valve cavity is provided with an th sealing ring between the oil inlet 111 and the oil drain 131, the valve core 12 is arranged through the th sealing ring, and the valve core 12 is in sealing fit with the inner wall of the valve cavity through the th sealing ring, the valve cavity is provided with a second sealing ring between the oil inlet 111 and the th cavity 113, the valve core 12 is arranged through the second sealing ring, and the valve core 12 is in sealing fit with the side wall of the valve cavity through the second sealing ring.
When the valve core 12 is located at the th position, the handle 22 is located at the initial position, and when the valve core 12 is located at the second position, the handle 22 is rotated by a certain angle , the initial position of the handle 22 can be set according to practical situations, preferably, the axis of the handle 22 is perpendicular to the sliding direction of the valve core 12 when the handle 22 is located at the initial position, preferably, the base 24 is provided with scale marks which indicate the rotating angle of the handle 22 and the oil pressure of the oil outlet 112.
When the handle 22 is rotated, the rotation angle of the cam 21 is increased along with the increase of the rotation angle of the handle 22, and accordingly, the hydraulic oil quantity output from the oil outlet 112 of the hydraulic valve is gradually increased, the shape of the outer peripheral surface of the cam 21 can be designed according to actual requirements, and the shape of the outer peripheral surface of the cam 21 directly determines the opening characteristic and the output characteristic of the control pressure and can determine the magnitude of the output oil pressure.
The oil passage 121 includes a communicating th passage 1211 and a second passage 1212, the th passage 1211 extends in the sliding direction of the valve spool 12, an end of the th passage 1211 communicates with the th chamber 113, the through hole 122 communicates with the th passage 1211, the second passage 1212 passes through the circumferential surface of the valve spool 12, the inner diameter of the second chamber 114 is larger than the outer diameter of the valve spool 12, when the valve spool 12 is located at the th position, the opening of the second passage 1212 is located in the second chamber 114, and when the valve spool 12 is located at the second position, the second passage 1212 is located outside the second chamber 114 and the opening of the second passage 1212 is blocked by the inner wall of the valve housing 11.
Alternatively, the oil passage 121 is T-shaped, and the second passage 1212 penetrates the spool 12 in the radial direction of the spool 12.
In the present embodiment, the proportional valve 1 further includes a second compression spring 15, the second compression spring 15 is located in the second chamber 114, and both ends of the second compression spring 15 are respectively abutted against the valve core 12 and the push valve sleeve 13, it can be understood that the elastic strength of the second compression spring 15 is greater than that of the th compression spring 14.
Optionally, the proportional valve 1 further includes a third pressure spring 16, the second pressure spring 15 is sleeved with the third pressure spring 16, and the third pressure spring 16 abuts against the push valve sleeve 13 and the valve housing 11, and by providing the third pressure spring 16, after the handle 22 is released, the push valve sleeve 13 is driven to slide under the combined action of the pressure spring 14 and the third pressure spring 16, so as to ensure an acting force on the push valve sleeve 13.
Optionally, the proportional valve 1 further comprises a pressure regulating member 17, the pressure regulating member 17 is in threaded connection with the valve housing 11, the th end of the pressure regulating member 17 is located in the th cavity 113, the second end of the pressure regulating member 17 is located outside the valve housing 11, and the second end of the th compression spring 14 abuts against the pressure regulating member 17. the position of the second position of the valve spool 12 can be adjusted by adjusting the depth of the pressure regulating member 17 penetrating into the th cavity 113.
Optionally, the end of the pressure regulating member 17 located in the th cavity 113 is provided with a guide slot, and the second end of the th compressed spring 14 is located in the guide slot, so that the guide slot can prevent the th compressed spring 14 from being skewed during expansion and contraction.
In the embodiment, the operation principle of the handle proportional valve is that as the cam 21 rotates, the cam 21 pushes the valve sleeve 13 to drive the valve core 12 to move from the th position to the second position, the th compressed spring 14, the second compressed spring 15 and the third compressed spring 16 are all compressed, when the valve core 12 is separated from the th position, the oil passage 121 is only communicated with the th cavity 113, the oil inlet 111 is communicated with the through hole 122, as the cam 21 continues to rotate, the valve core 12 gradually approaches the second position, the opening degree of the oil inlet 111 communicated with the through hole 122 is gradually increased, when the valve core 12 is located at the second position, the opening degree between the oil inlet 111 and the through hole 122 reaches the maximum, after the handle 22 is released, the valve core 12 slides from the second position to the th position under the action of the elastic forces of the th compressed spring 14, the second compressed spring 15 and the third compressed spring 16, and pushes the valve sleeve 13 to slide in the opposite direction and drive the cam 21 to rotate in the opposite direction, and the cam 21 drives the handle 22 to rotate in the opposite direction, and finally, the handle.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
- The handle proportional valve comprises a proportional valve (1), the proportional valve (1) comprises a valve casing (11), a valve core (12), a pushing valve sleeve (13) and an elastic member, a valve cavity is arranged in the valve casing (11), an oil inlet (111) and an oil outlet (112) which are communicated with the valve cavity are arranged on the valve casing (11), the valve core (12) is located in the valve cavity in a sliding mode, the pushing valve sleeve (13) is in sliding fit with the valve cavity and is used for pushing the valve core (12) to slide, an oil drainage port (131) is arranged on the pushing valve sleeve (13), the valve core (12) has a th position and a second position, when the valve core (12) is located in the second position, the oil inlet (111) is communicated with the oil outlet (112), when the valve core (12) is located in a th position, the oil inlet (111) is communicated with the oil drainage port (131), and the elastic member is used for driving the valve core (12) to slide from the second position to a th position, and the handle proportional valve is characterized by further comprising:handle components (2), including cam (21), handle (22) and base (24), handle (22) with cam (21) all fixed cover is located on pivot (23), pivot (23) rotate set up in on base (24), base (24) with valve casing (11) can be dismantled and be connected, cam (21) global with the tip butt that promotes valve barrel (13), cam (21) can promote the motion of valve barrel (13), in order to drive case (12) by the position to the second position slides.
- 2. The handle proportional valve of claim 1, wherein the base (24) is threadably connected to the valve housing (11).
- 3. Handle proportional valve according to claim 1, characterized in that a flange (18) is provided on the valve housing (11), the base (24) being connected to the flange (18) by means of a connection piece.
- 4. The handle proportional valve of claim 1, wherein the resilient member is an th compression spring (14), the th compression spring (14) and the push valve sleeve (13) are respectively located at both ends of the valve core (12), the th end of the th compression spring (14) abuts the valve core (12), and the second end of the th compression spring (14) is configured to abut the valve sleeve (11).
- 5. The handle proportional valve according to claim 4, wherein the valve core (12) divides the valve cavity into an th cavity (113) and a second cavity (114), the oil outlet (112) is communicated with the th cavity (113), the th compression spring (14) is located in the th cavity (113), the oil inlet (111) is located between the th cavity (113) and the second cavity (114), an oil passage (121) is arranged in the valve core (12), a through hole (122) communicated with the oil passage (121) is further arranged on a side wall of the valve core (12), when the valve core (12) is located at the th position, the oil inlet (111) is not communicated with the through hole (122) and the oil passage (121) is communicated with the th cavity (113) and the second cavity (114), and when the valve core (12) is located at the second position, the oil inlet (111) is communicated with the through hole (122) and the oil passage (121) is only communicated with the ).
- 6. The handle proportional valve according to claim 5, wherein the oil passage (121) comprises a communicating -th passage (1211) and a second passage (1212), the -th passage (1211) extends along the sliding direction of the spool (12), the end of the -th passage (1211) communicates with the -th chamber (113), the second passage (1212) passes through the circumferential surface of the spool (12), the opening of the second passage (1212) is located in the second chamber (114) when the spool (12) is located at the -th position, and the opening of the second passage (1212) is blocked by the inner wall of the valve housing (11) when the spool (12) is located at the second position, the second passage (1212) is located outside the second chamber (114).
- 7. The handle proportional valve of claim 6, wherein the oil passage (121) is T-shaped, and the second channel (1212) penetrates the valve core (12) in a radial direction of the valve core (12).
- 8. The handle proportional valve according to claim 5, wherein the proportional valve (1) further comprises a second compression spring (15), the second compression spring (15) is located in the second chamber (114), and two ends of the second compression spring (15) are respectively abutted with the valve core (12) and the push valve sleeve (13).
- 9. The handle proportional valve according to claim 8, wherein the proportional valve (1) further comprises a third compression spring (16), the third compression spring (16) is sleeved on the second compression spring (15), and the third compression spring (16) is abutted with the push valve sleeve (13) and the valve housing (11), respectively.
- 10. Handle proportional valve according to claim 5, characterized in that the proportional valve (1) further comprises a pressure regulating member (17), the pressure regulating member (17) is in threaded connection with the valve housing (11), and the th end of the pressure regulating member (17) is located in the th cavity (113), the second end of the pressure regulating member (17) is located outside the valve housing (11), and the second end of the th compression spring (14) abuts the pressure regulating member (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920415775.3U CN210003912U (en) | 2019-03-29 | 2019-03-29 | handle proportional valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920415775.3U CN210003912U (en) | 2019-03-29 | 2019-03-29 | handle proportional valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210003912U true CN210003912U (en) | 2020-01-31 |
Family
ID=69302516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920415775.3U Active CN210003912U (en) | 2019-03-29 | 2019-03-29 | handle proportional valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210003912U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113423456A (en) * | 2018-12-07 | 2021-09-21 | 费森尤斯医疗保健控股公司 | Rotary valve for managing fluid flow in a medical system |
| US12013050B2 (en) | 2021-07-15 | 2024-06-18 | Fresenius Medical Care Holdings, Inc. | Rotary valves for dialysis systems |
-
2019
- 2019-03-29 CN CN201920415775.3U patent/CN210003912U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113423456A (en) * | 2018-12-07 | 2021-09-21 | 费森尤斯医疗保健控股公司 | Rotary valve for managing fluid flow in a medical system |
| CN113423456B (en) * | 2018-12-07 | 2024-03-19 | 费森尤斯医疗保健控股公司 | Rotary valve for managing fluid flow in a medical system |
| US12013050B2 (en) | 2021-07-15 | 2024-06-18 | Fresenius Medical Care Holdings, Inc. | Rotary valves for dialysis systems |
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Address after: 261061 Shandong city in Weifang province Fu hi tech Industrial Development Zone, East Street No. 197 Patentee after: WEICHAI POWER Co.,Ltd. Patentee after: Weichai Hydraulic Transmission Co.,Ltd. Address before: 261061 Shandong city in Weifang province Fu hi tech Industrial Development Zone, East Street No. 197 Patentee before: WEICHAI POWER Co.,Ltd. Patentee before: LINDE HYDRAULICS (CHINA) Co.,Ltd. |