CN201330763Y - Multi-channel control valve - Google Patents
Multi-channel control valve Download PDFInfo
- Publication number
- CN201330763Y CN201330763Y CNU2008201779889U CN200820177988U CN201330763Y CN 201330763 Y CN201330763 Y CN 201330763Y CN U2008201779889 U CNU2008201779889 U CN U2008201779889U CN 200820177988 U CN200820177988 U CN 200820177988U CN 201330763 Y CN201330763 Y CN 201330763Y
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- CN
- China
- Prior art keywords
- valve body
- valve
- spring
- pin
- control valve
- 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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- Mechanically-Actuated Valves (AREA)
Abstract
The utility model relates to a multi-channel control valve, which comprises a valve stem, a valve body, a rear cover and a front cover. The valve stem consists of a handle, an operating lever, a pin and other components, the operating lever has the upper end thereof connected with the handle and the lower end thereof in threaded connection with the pin, a tight nut is arranged at the upper part of the pin, and the lower part of the pin is in pin connection with the rear cover; and a valve spool is arranged inside the valve body, the two ends of the valve body are in threaded connection with the front cover and the rear cover respectively, a gasket is arranged at the connection site of the valve body and the front cover, a spring, a spring base and a positioning head are arranged inside the front cover, the spring is arranged on the spring base, and the spring base is in threaded connection with the spring spool through the positioning head. The multi-channel control valve has smooth transition of the inner cavity, so as not to influence on the liquid pressure loss due to complex flow channel and reduce pressure loss. The multi-channel control valve has the advantages of cast valve body, small weight, simple profile, and good compactness and high bearing pressure of cast products; and effectively solves the oil temperature rising problem during the process of using.
Description
Technical field
The utility model relates to a kind of multiple directional control valve.
Background technique
Multiple directional control valve in the market, because its highly versatile, working pressure height, extensively transport in hydraulic systems such as engineering machinery, mine metallurgical machinery, hoist Transport Machinery and light industry and machinery, do the directional control device, the inner flow passage of the multiple directional control valve on the market mainly adopts and is machined as the master, big, the complex contour of quality, and this structure is in the process of using, and big, the oily temperature rise of the pressure loss is fast.
The model utility content
The purpose of this utility model provides a kind of multiple directional control valve, to overcome the fast deficiency of big, the oily temperature rise of the pressure loss that existing multiple directional control valve in use occurs.
The purpose of this utility model is to be achieved through the following technical solutions:
A kind of multiple directional control valve, comprise valve rod, valve body, bonnet and protecgulum, described valve rod comprises handle, operating handle, bearing pin, the upper end of described operating handle connects handle, the operating handle lower end is by the bearing pin that is threaded, the top of described bearing pin is provided with tightening nut, and the bottom of bearing pin is connected with the back cancelling, and the joint of bearing pin and bonnet is provided with dust-proof cover; Be provided with spool in the described valve body, the valve body two ends are threaded with bonnet, protecgulum respectively, and the joint of valve body and protecgulum is provided with pad, are provided with spring, spring seat and positioning head in the described protecgulum, described spring is located on the spring seat, and spring seat is threaded with spool by positioning head.
The beneficial effect of a kind of multiple directional control valve described in the utility model is: valve body adopts casting technique, quality is little, profile is simple, the rounding off of inner chamber makes complicated runner not influence the pressure loss of liquid, reduced the pressure loss, the compactness of foundry goods is good, bear the pressure height, solved the problem that the oil temperature rises in the using process effectively.
Description of drawings
With reference to the accompanying drawings the utility model is described in further detail below.
Fig. 1 is the structural drawing of the utility model embodiment 1 described a kind of multiple directional control valve;
Fig. 2 is the main sectional view of the utility model embodiment 1 described a kind of multiple directional control valve;
Fig. 3 is the scheme of installation of the utility model embodiment 1 described a kind of multiple directional control valve;
Fig. 4 is the structural drawing of the utility model embodiment 2 described a kind of multiple directional control valves;
Fig. 5 is the main sectional view of the utility model embodiment 2 described a kind of multiple directional control valves;
Fig. 6 is the scheme of installation of the utility model embodiment 2 described a kind of multiple directional control valves.
Among the figure:
1, handle; 2, operating handle; 3, tightening nut; 4, bearing pin; 5, dust cover; 6, bonnet; 7, valve body; 8, pad; 9, protecgulum; 10, spool; 11, positioning head; 12, spring; 13, spring seat; 14, feed cover; 15, oil return lid.
Embodiment
As Figure 1-3, the utility model embodiment 1 described a kind of multiple directional control valve, comprise valve rod, valve body 7, bonnet 6 and protecgulum 9, described valve rod comprises handle 1, operating handle 2, bearing pin 4, the upper end of described operating handle 2 connects handle 1, and operating handle 2 lower ends are by the bearing pin 4 that is threaded, and the top of described bearing pin 4 is provided with tightening nut 3, the bottom of bearing pin 4 is connected with bonnet 6 pins, and described bearing pin 4 is provided with dust-proof cover 5 with the joint of bonnet 6; Be provided with spool 10 in the described valve body 7, valve body 7 two ends are threaded with bonnet 6, protecgulum 9 respectively, the joint of valve body 7 and protecgulum 9 is provided with pad 8, be provided with spring 12, spring seat 13 and positioning head 11 in the described protecgulum 9, described spring 12 is located on the spring seat 13, and spring seat 13 is threaded with spool 10 by positioning head 11.
Shown in Fig. 4-6, the utility model embodiment 2 described a kind of multiple directional control valves, comprise valve rod, valve body 7, bonnet 6 and protecgulum 9, described valve rod is made up of parts such as handle 1, operating handle 2, bearing pins 4, the upper end of described operating handle 2 connects handle 1, and the lower end is by the bearing pin 4 that is threaded, and the top of described bearing pin 4 is provided with tightening nut 3, the bottom of bearing pin 4 is connected with bonnet 6 pins, and described bearing pin 4 is provided with dust-proof cover 5 with the joint of bonnet 6; Be provided with spool 10 in the described valve body 7, valve body 7 two ends are threaded with bonnet 6, protecgulum 9 respectively, the joint of valve body 7 and protecgulum 9 is provided with pad 8, be provided with spring 12, spring seat 13 and positioning head 11 in the described protecgulum 9, described spring 12 is located on the spring seat 13, and spring seat 13 is threaded with spool 10 by positioning head 11.
The foregoing description 1 and embodiment 2 all be when mounted cover by described multiple directional control valve, feed cover 14 and oil return 15 assembled, the pressure oil of filler opening directly leads to the oil suction chamber of each selector valve, and the oil back chamber of each valve directly leads to total return opening of multiple directional control valve again; Can be assembled into different number of vias by different usage requirements, satisfy control different oil circuits, highly versatile, change is flexible, amalgamation compactness between valve block and the valve block, good sealing effect.
Claims (1)
1, a kind of multiple directional control valve, comprise valve rod, valve body (7), bonnet (6) and protecgulum (9), it is characterized in that: described valve rod comprises handle (1), operating handle (2), bearing pin (4), the upper end of described operating handle (2) connects handle (1), operating handle (2) lower end is by the bearing pin that is threaded (4), the top of described bearing pin (4) is provided with tightening nut (3), and the bottom of bearing pin (4) is connected with bonnet (6) pin, and described bearing pin (4) is provided with dust-proof cover (5) with the joint of bonnet (6); Be provided with spool (10) in the described valve body (7), valve body (7) two ends are threaded with bonnet (6), protecgulum (9) respectively, the joint of valve body (7) and protecgulum (9) is provided with pad (8), be provided with spring (12), spring seat (13) and positioning head (11) in the described protecgulum (9), described spring (12) is located on the spring seat (13), and spring seat (13) is threaded with spool (10) by positioning head (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201779889U CN201330763Y (en) | 2008-11-19 | 2008-11-19 | Multi-channel control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201779889U CN201330763Y (en) | 2008-11-19 | 2008-11-19 | Multi-channel control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201330763Y true CN201330763Y (en) | 2009-10-21 |
Family
ID=41224143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201779889U Expired - Fee Related CN201330763Y (en) | 2008-11-19 | 2008-11-19 | Multi-channel control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201330763Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110486344A (en) * | 2019-08-01 | 2019-11-22 | 烟台中宇航空液压有限公司 | Integral single valve-stem high-pressure multi-way directional block valve |
-
2008
- 2008-11-19 CN CNU2008201779889U patent/CN201330763Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110486344A (en) * | 2019-08-01 | 2019-11-22 | 烟台中宇航空液压有限公司 | Integral single valve-stem high-pressure multi-way directional block valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091021 Termination date: 20101119 |