CN220980392U - Two-position six-way slide valve - Google Patents
Two-position six-way slide valve Download PDFInfo
- Publication number
- CN220980392U CN220980392U CN202322840278.7U CN202322840278U CN220980392U CN 220980392 U CN220980392 U CN 220980392U CN 202322840278 U CN202322840278 U CN 202322840278U CN 220980392 U CN220980392 U CN 220980392U
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- Prior art keywords
- valve core
- oil return
- valve
- channel
- core hole
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- 125000003003 spiro group Chemical group 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 230000007935 neutral effect Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 241000587161 Gomphocarpus Species 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Multiple-Way Valves (AREA)
Abstract
The utility model relates to a hydraulic component, in particular to a two-position six-way slide valve, which comprises a valve body, wherein a valve core hole is formed in the valve body, and a main valve core is matched in the valve core hole. Compared with the prior art, the utility model provides a slide valve form of oil return of a median state A, B port of a two-position six-way valve, wherein a threaded hole connection form is added to the first oil return cavity and the second oil return cavity in cooperation with a shoulder screw, and before the shoulder screw is connected with a main valve core, the valve core can be subjected to subsequent heat treatment in a hoisting mode through a hoisting hole, so that the hardness and related performance of the valve core are ensured.
Description
Technical Field
The utility model relates to a hydraulic component, in particular to a two-position six-way slide valve.
Background
The two-position six-way slide valve shown in fig. 1 is a currently commonly used two-way slide valve, and in order to make oil enter from the port A and return from the port B in the state of the number 1, oil return from the port A, B in the middle position cannot be realized only through a simple throttling groove, so that the oil enter from the port A and return from the port B in the state of the number 1 can be only made in the middle position of the current two-way slide valve; the median position A, B port is cut off, a series of pressure holding phenomena of the slide valve caused by the cut-off of the working oil port are easy to cause, the integral performance of the multi-way valve is affected, and meanwhile, the valve core has no lifting hole, so that the heat treatment cost is too high.
Disclosure of utility model
In order to overcome the defects or one of the defects in the prior art, the utility model provides a two-position six-way slide valve, which adopts the following technical scheme:
The two-position six-way slide valve comprises a valve body, wherein a valve core hole is formed in the valve body, a main valve core is matched in the valve core hole, and unlike the prior art, a first oil return cavity and a second oil return cavity are respectively formed at two ends of the main valve core, and are respectively in threaded connection with a first shaft shoulder screw and a second shaft shoulder screw through internal threads formed in the side walls of the first oil return cavity and the second oil return cavity.
Further, the first oil return cavity and the second oil return cavity respectively comprise stepped holes with large outer inner diameter and small inner diameter, a first valve core hole and a fourth valve core hole are formed in the outer large-diameter sections of the first oil return cavity and the second oil return cavity along the radial direction, a second valve core hole and a third valve core hole are formed in the inner small-diameter sections of the first oil return cavity and the second oil return cavity along the radial direction, a first throttling groove is formed in the circumferential circular surface of the main valve core between the first valve core hole and the second valve core hole, and a second throttling groove is formed in the circumferential circular surface of the middle part of the main valve core; the valve body is internally provided with a first oil return channel and a second oil return channel corresponding to the first valve core hole and the fourth valve core hole, and the first oil return channel is communicated with the second oil return channel; the positions corresponding to the second valve core hole and the third valve core hole are respectively provided with a B port channel and an A port channel, the positions corresponding to the second throttling groove are provided with an oil inlet channel, the positions on two sides of the oil inlet channel are respectively provided with a pressure compensation valve channel and a second one-way valve channel, and a first one-way valve channel is arranged between the B port channel and the pressure compensation valve channel.
Further, the inner diameters of two ends of the valve core hole of the valve body are maximum, the bottom wall of the maximum inner diameter section is respectively abutted to a first spring seat and a first second spring seat, and the first spring seat and the first second spring seat are respectively in clearance fit with the screw heads of the first shaft shoulder screw and the second shaft shoulder screw.
Compared with the prior art, the utility model provides a slide valve form of oil return of a median state A, B port of a two-position six-way valve, wherein a threaded hole connection form is added to the first oil return cavity and the second oil return cavity in cooperation with a shoulder screw, and before the shoulder screw is connected with a main valve core, the valve core can be subjected to subsequent heat treatment in a hoisting mode through a hoisting hole, so that the hardness and related performance of the valve core are ensured.
Drawings
Fig. 1 is a schematic structural view of a conventional two-position six-way slide valve.
Fig. 2 is a schematic structural view of the present utility model.
FIG. 3 is a schematic view of the main spool of the present utility model.
Fig. 4 is a schematic view of the structure of the valve body of the present utility model.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present utility model are included in the protection scope of the present utility model.
Referring to fig. 1-4, the present embodiment provides an oil return method capable of meeting the 1 st state of oil inlet port a and oil return port B; the two-position six-way slide valve in a medium position A, B port returns oil and simultaneously meets the requirement of a lifting hole for heat treatment processing, the two-position six-way slide valve comprises a valve body 4, a valve core hole is formed in the valve body 4, a main valve core 2 is matched in the valve core hole, a first oil return cavity 21 and a second oil return cavity 28 are respectively formed in two ends of the main valve core 2, and the first oil return cavity 21 and the second oil return cavity 28 are respectively in threaded connection with a first shaft shoulder screw 1 and a second shaft shoulder screw 6 through internal threads formed in the side walls of the first oil return cavity 21 and the second oil return cavity 28. The first oil return cavity 21 and the second oil return cavity 28 respectively comprise stepped holes with large outer inner diameter and small inner diameter, a first valve core hole 22 and a fourth valve core hole 27 are formed in the outer large-diameter sections of the first oil return cavity 21 and the second oil return cavity 28 along the radial direction, a second valve core hole 24 and a third valve core hole 26 are formed in the inner small-diameter sections of the first oil return cavity 21 and the second oil return cavity 28 along the radial direction, a first throttling groove 23 is formed in the circumferential circular surface of the main valve core 2 between the first valve core hole 22 and the second valve core hole 24, and a second throttling groove 25 is formed in the circumferential circular surface of the middle part of the main valve core 2; the valve body 4 is internally provided with a first oil return channel 41 and a second oil return channel 48 corresponding to the first valve core hole 22 and the fourth valve core hole 27, and the first oil return channel 41 is communicated with the second oil return channel 48; the positions corresponding to the second valve core hole 24 and the third valve core hole 26 are respectively provided with a B port channel 42 and an A port channel 47, the positions corresponding to the second throttling groove 25 are respectively provided with an oil inlet channel 45, the positions on two sides of the oil inlet channel 45 are respectively provided with a pressure compensation valve channel 44 and a second one-way valve channel 46, and the positions between the B port channel 42 and the pressure compensation valve channel 44 are respectively provided with a first one-way valve channel 43. The inner diameters of two ends of a valve core hole of the valve body 4 are maximum, the bottom wall of the maximum inner diameter section is respectively abutted against the first spring seat 3 and the first second spring seat 5, and the first spring seat 3 and the first second spring seat 5 are respectively in clearance fit with the nail heads of the first shoulder screw 1 and the second shoulder screw 6.
When the valve core and the valve body are matched to be in a neutral state, oil led out from the port B on the left side returns to the oil tank through the second valve core hole 24 and the first oil return cavity through the first valve core hole 22 to return oil in the neutral state.
When the valve core and the valve body are matched to be in a neutral state, the flow led out from the opening A on the right side returns to the oil tank to return oil in the neutral state through the third valve core hole 26 and the second oil return cavity 28 and the fourth valve core hole 27.
When the valve core and the valve body are matched to be in the No. 1 state, the valve core moves leftwards, and oil flowing in through the load end of the port B flows to the oil return channel 41 through the first throttling groove 23 to return oil.
When the valve core and the valve body are matched to the No. 1 state, the valve core moves leftwards, the oil flowing in through the oil inlet channel 45 flows into the A port channel through the second one-way valve cavity 46, the purpose of loading the A port is achieved, and meanwhile oil return can be prevented due to the leftwards movement of the fourth valve core hole 27.
Although embodiments of the present utility model have been shown and described, it will be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the utility model. Modifications, substitutions, and variations, the scope of the utility model being defined by the appended claims and equivalents thereof.
Claims (3)
1. The utility model provides a two-position six-way slide valve, includes valve body (4), sets up the case hole in valve body (4), case hole internal fit main valve core (2), and first oil return chamber (21) and second oil return chamber (28) are seted up respectively at the both ends of main valve core (2), and first oil return chamber (21) and second oil return chamber (28) are through the internal thread of seting up on its lateral wall first shoulder screw (1) and second shoulder screw (6) of spiro union respectively.
2. The two-position six-way slide valve according to claim 1, wherein the first oil return cavity (21) and the second oil return cavity (28) comprise stepped holes with large outer inner diameter and small inner diameter, a first valve core hole (22) and a fourth valve core hole (27) are formed in the outer large-diameter sections of the first oil return cavity (21) and the second oil return cavity (28) along the radial direction, a second valve core hole (24) and a third valve core hole (26) are formed in the inner small-diameter sections of the first oil return cavity (21) and the second oil return cavity (28) along the radial direction, a first throttling groove (23) is formed in the circumferential circular surface of the main valve core (2) between the first valve core hole (22) and the second valve core hole (24), and a second throttling groove (25) is formed in the circumferential circular surface of the middle part of the main valve core (2); a first oil return channel (41) and a second oil return channel (48) are respectively arranged in the valve body (4) and correspond to the positions of the first valve core hole (22) and the fourth valve core hole (27), and the first oil return channel (41) is communicated with the second oil return channel (48); a B port channel (42) and an A port channel (47) are respectively formed at positions corresponding to the second valve core hole (24) and the third valve core hole (26), an oil inlet channel (45) is formed at positions corresponding to the second throttling groove (25), a pressure compensation valve channel (44) and a second one-way valve channel (46) are respectively formed at positions on two sides of the oil inlet channel (45), and a first one-way valve channel (43) is formed at a position between the B port channel (42) and the pressure compensation valve channel (44).
3. The two-position six-way slide valve according to claim 1, wherein the inner diameters of two ends of a valve core hole of the valve body (4) are maximum, the bottom wall of the largest inner diameter section is respectively abutted against the first spring seat (3) and the first second spring seat (5), and the first spring seat (3) and the first second spring seat (5) are respectively in clearance fit with the heads of the first shaft shoulder screw (1) and the second shaft shoulder screw (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322840278.7U CN220980392U (en) | 2023-10-23 | 2023-10-23 | Two-position six-way slide valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322840278.7U CN220980392U (en) | 2023-10-23 | 2023-10-23 | Two-position six-way slide valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220980392U true CN220980392U (en) | 2024-05-17 |
Family
ID=91066370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322840278.7U Active CN220980392U (en) | 2023-10-23 | 2023-10-23 | Two-position six-way slide valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220980392U (en) |
-
2023
- 2023-10-23 CN CN202322840278.7U patent/CN220980392U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |