CN208951010U - A kind of compact-sized inlet valve - Google Patents
A kind of compact-sized inlet valve Download PDFInfo
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- CN208951010U CN208951010U CN201821679600.5U CN201821679600U CN208951010U CN 208951010 U CN208951010 U CN 208951010U CN 201821679600 U CN201821679600 U CN 201821679600U CN 208951010 U CN208951010 U CN 208951010U
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- oil inlet
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- inlet valve
- oil duct
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Abstract
The utility model discloses a kind of compact-sized inlet valves, including, turn to safety valve, limit screw plug, spring, throttle screw plug, flow divider valve core, oil inlet valve body, first screw plug, main safety valve, second screw plug, combination sealing washer, 2nd 0 shape circle, oil inlet P is provided on the right of the upper end of the oil inlet valve body, the upper end left side of the oil inlet valve body is provided with hydraulic fluid port PF, the oil inlet valve body and be located at oil inlet P lower thread main safety valve is installed, the oil inlet valve body and steering safety valve is installed positioned at the lower thread of hydraulic fluid port PF, the oil inlet valve inner is provided with the first oil duct a, second oil duct b, third oil duct c, 4th oil duct d, oil inlet P is arranged in the upper end first oil duct a, the oil inlet valve inner and it is located at hydraulic fluid port PF and turns to and extend transversely through between safety valve and be provided with flow divider valve core, The position that second screw plug is connect with oil inlet valve body is provided with combination sealing washer.The oil duct and hydraulic fluid port connection and reasonable arrangement of the utility model.
Description
Technical field
The present invention relates to hydraulic valve technology, specially a kind of compact-sized inlet valve.
Background technique
Hydraulic valve, be it is a kind of with pressure oil operate Automation Elements, it by distributing valve pressure oil control, usually with electricity
Magnetic distributing valve is applied in combination, and can be used for the on-off of far distance control power station oil, gas and water pipe-line system.It is usually used in clamping, controls
The oil circuits such as system, lubrication.It there are direct acting type and type pilot, is mostly used type pilot.Manual, automatically controlled, hydraulic control can be divided by control method.
Hydraulic valve is a kind of Automation Elements operated with pressure oil, it by distributing valve pressure oil control, usually and electromagnetic distributing valve
It is applied in combination, can be used for the on-off of far distance control power station oil, gas and water pipe-line system.For reducing certain in simultaneously systems stabilisation
The oil liquid pressure of one branch is usually used in the oil circuits such as clamping, control, lubricate.It is divided into direct acting type, type pilot, superimposed type.Hydraulic biography
It is used to control the element of Ye Ti Ya Li ﹑ flow and direction in dynamic.Wherein control pressure is known as pressure-control valve, controls flow
Referred to as flow control valve, Kong Tong ﹑ is disconnected and what is flowed to is known as directional control valve.
The oil inlet valve structure of hydraulic multichannel chip valve in the prior art is complicated and volume is big, occupies when in use
Space is big.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of compact-sized inlet valve, existing part is solved
Background technique problem.
In order to achieve the above object, the present invention is achieved by the following technical programs: a kind of compact-sized inlet valve, packet
It includes, turns to safety valve, limit screw plug, spring, throttling screw plug, flow divider valve core, oil inlet valve body, the first screw plug, main safety valve, second
Upper end the right of screw plug, combination sealing washer, the 2nd 0 shape circle, the oil inlet valve body is provided with oil inlet P, the oil inlet valve body
The upper end left side be provided with hydraulic fluid port PF, the oil inlet valve body and lower thread for being located at oil inlet P is equipped with main safety valve is described
Oil inlet valve body and steering safety valve is installed positioned at the lower thread of hydraulic fluid port PF, the oil inlet valve inner is provided with the first oil duct
A, oil inlet P, the oil inlet valve inner is arranged in the second oil duct b, third oil duct c, the 4th oil duct d, the upper end the first oil duct a
And be located at hydraulic fluid port PF and turn to and extend transversely through between safety valve and be provided with flow divider valve core, the third oil duct c is vertically provided at the
Between one oil duct a and the second oil duct b, oil inlet P 2 is provided on the third oil duct c, the oil inlet P 2 is connected to main safety valve
Oil inlet end, hydraulic fluid port PF is arranged in the upper end the second oil duct b, and the second oil duct b connection turns to the oil inlet end of safety valve, described
Turn to safety valve, the oil return opening of main safety valve is connected to the 4th oil duct d, the 4th oil duct d is located at oil inlet valve body lower end, and described
4th oil duct d is provided with oil return inlet T 2, and the left side screw thread that the inlet valve body is located at flow divider valve core is equipped with limit screw plug, described
The right screw thread that inlet valve body is located at flow divider valve core is equipped with the first screw plug, and the intermediate thread of the flow divider valve core is equipped with throttling
Screw plug, the inside of the flow divider valve core and is located at the throttling screw plug left side and is provided with spring one end, the spring other end and limit
Screw plug offsets, and the back side of the oil inlet valve body is threaded with the second screw plug, the position that second screw plug is connect with oil inlet valve body
It installs and is equipped with combination sealing washer, roughness of the oil inlet valve body back side Jing Guo grinding is 0.8 and is equipped with the 2nd 0 shape
It encloses, there are three threaded holes to be used to connect external valve block for setting on the oil inlet valve body, and the 2nd 0 shape circle is used for when plane connects
Time seals, the 4th oil duct d and the first oil duct a, the second oil duct b, the orthogonal setting of third oil duct c, and institute
Stating the 4th oil duct d is opening up half-circle-arc shape.
The present invention provides a kind of compact-sized inlet valves.Have following the utility model has the advantages that by the upper of oil inlet valve body
End the right is provided with oil inlet P, and the upper end left side of oil inlet valve body is provided with hydraulic fluid port PF, oil inlet valve body and is located under oil inlet P
End screw thread is equipped with main safety valve, the oil inlet valve body and lower thread positioned at hydraulic fluid port PF is equipped with steering safety valve, from structure
It arranges compact, the volume of inlet valve can be effectively reduced.By the way that the first oil duct a, the second oil duct b, third oil duct c, the 4th is arranged
Tetra- oil ducts of oil duct d, turn to safety valve and main safety valve shares an oil return opening, and inlet valve is provided with the oil circuit for steering, leads to
Hydraulic fluid port of rationally arranging on oil duct is crossed, while to system and working ways progress fuel feeding can be turned to, setting turns to safety valve and master
Safety valve can guarantee that the pressure of system two-way oil circuit is different, can adjust separately the pressure for turning to safety valve and main safety valve, this
Inlet valve is more compact from structure.Oil duct and hydraulic fluid port connection and reasonable arrangement of the invention can reduce the body of inlet valve from structure
Product, oil inlet valve body has been saved the time of processing by casting and forming, has saved material, while reducing installation space.
Detailed description of the invention
Fig. 1 is the whole sectional structure chart of the compact-sized inlet valve of one kind of the invention；
Fig. 2 is A-A sectional structure chart in Fig. 1 of the compact-sized inlet valve of one kind of the invention；
Fig. 3 is the flow divider valve core structure chart of the compact-sized inlet valve of one kind of the invention；
Fig. 4 is the throttling screw plug structure chart of the compact-sized inlet valve of one kind of the invention；
Fig. 5 is the external front face structure chart of the compact-sized inlet valve of one kind of the invention；
Fig. 6 is the external backside structure figure of the compact-sized inlet valve of one kind of the invention；
Fig. 7 is the schematic diagram of the compact-sized inlet valve of one kind of the invention.
In figure: turning to safety valve 1, limit screw plug 2, the one 0 shape circle 3, spring 4, throttling screw plug 5, flow divider valve core 6, oil inlet
Valve body 7, the first screw plug 8, main safety valve 9, the second screw plug 10, combination sealing washer 11, the 2nd 0 shape circle 12, oil inlet P, hydraulic fluid port
PF, the first oil duct a, the second oil duct b, third oil duct c, the 4th oil duct d, oil inlet P 2, oil return inlet T 2.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in figs. 1-7: a kind of compact-sized inlet valve, including, turn to safety valve 1, limit screw plug 2, spring 4, section
Flow screw plug 5, flow divider valve core 6, oil inlet valve body 7, the first screw plug 8, main safety valve 9, the second screw plug 10, combination sealing washer 11, the
Upper end the right of 20 shape circles 12, the oil inlet valve body 7 is provided with oil inlet P, and the upper end left side of the oil inlet valve body 7 is provided with
Hydraulic fluid port PF, the oil inlet valve body 7 and the lower thread for being located at oil inlet P are equipped with main safety valve 9, the oil inlet valve body 7 and position
It is equipped in the lower thread of hydraulic fluid port PF and turns to safety valve 1, the oil inlet valve body 7 is internally provided with the first oil duct a, the second oil
Road b, third oil duct c, the 4th oil duct d, the upper end the first oil duct a are arranged oil inlet P, 7 inside of oil inlet valve body and are located at
It is extended transversely through between hydraulic fluid port PF and steering safety valve 1 and is provided with flow divider valve core 6, the third oil duct c is vertically provided at the first oil
Between road a and the second oil duct b, oil inlet P 2 is provided on the third oil duct c, the oil inlet P 2 is connected to main safety valve 9
Hydraulic fluid port PF is arranged in oil inlet end, the upper end the second oil duct b, and the second oil duct b connection turns to the oil inlet end of safety valve 1, described
Turn to safety valve 1, the oil return opening of main safety valve 9 is connected to the 4th oil duct d, the 4th oil duct d is located at 7 lower end of oil inlet valve body, and
The 4th oil duct d is provided with oil return inlet T 2, and the left side screw thread that the oil inlet valve body 7 is located at flow divider valve core 6 is equipped with limit spiral shell
Stifled 2, the right screw thread that the oil inlet valve body 7 is located at flow divider valve core 6 is equipped with the first screw plug 8, the middle screw of the flow divider valve core 6
Line be equipped with throttling screw plug 5, the inside of the flow divider valve core 6 and be located at throttling 5 left side of screw plug be provided with 4 one end of spring, it is described
4 other end of spring offsets with limit screw plug 2, and the back side of the oil inlet valve body 7 is threaded with the second screw plug 10, second spiral shell
Stifled 10 positions connecting with oil inlet valve body 7 are provided with combination sealing washer 11.The 4th oil duct d and the first oil duct a, second
Oil duct b, the orthogonal setting of third oil duct c, and the 4th oil duct d is opening up half-circle-arc shape, the oil inlet
The roughness at 7 back side of valve body is 0.8 and is equipped with the 2nd 0 shape circle 12.The steering safety valve 1 and the laterally setting of main safety valve 9
On same axis.It the oil inlet valve body 7 and the position that connect of limit screw plug 2 and is set in limit and is provided with outside screw plug 2
One 0 shape circle 3.The throttling screw plug 5 is that drill straight diameter is among JB/ZQ4446-1986 taper pipe thread hexagonal socket head plug R1/8
It restructures in the hole of 4mm.The limit screw plug 2, flow divider valve core 6, the coaxial arrangement of the first screw plug 8 are on the same horizontal line.Institute
The material for stating oil inlet valve body 7 is RuT340, and the oil inlet valve body 7 passes through casting and forming using particular manufacturing craft.
When use, the flowline that oil inlet P 2, oil inlet P connect hydraulic pump carries out fuel feeding, the oil of oil inlet P to system
Liquid carries out throttling by the throttling screw plug 5 inside flow divider valve core 6 and reaches steering safety valve 1, and system pressure is more than to turn to safety valve 1
Rated pressure when oil by oil return inlet T 2 carry out release；It will by the end face on 6 the right of flow divider valve core when pressure oil is excessive
Flow divider valve core 6 is moved to the left, and flow divider valve core 6, which is moved to the left, can connect the first oil duct a and third oil duct c, when the pressure of third oil duct c
Oil carries out release by oil return inlet T 2 when power oil is more than the rated pressure of main safety valve 9.The 7 outside back side of oil inlet valve body is grinding
Flat plane and it is provided with the 2nd 0 shape circle 12, and the 7 outside back side of oil inlet valve body is provided with and corresponding is connected to external chip
The oil inlet P 2 of valve, oil return inlet T 2.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions.By sentence " element limited including one ..., it is not excluded that
There is also other identical elements in the process, method, article or apparatus that includes the element ".
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (1)
1. a kind of compact-sized inlet valve, which is characterized in that including, turn to safety valve (1), limit screw plug (2), spring (4),
It throttles screw plug (5), flow divider valve core (6), oil inlet valve body (7), the first screw plug (8), main safety valve (9), the second screw plug (10), combination
Upper end the right of seal washer (11), the 2nd 0 shape circle (12), the oil inlet valve body (7) is provided with oil inlet P, the inlet valve
The upper end left side of body (7) is provided with hydraulic fluid port PF, the oil inlet valve body (7) and the lower thread for being located at oil inlet P is equipped with main peace
Full valve (9), the oil inlet valve body (7) and the lower thread positioned at hydraulic fluid port PF, which are equipped with, turns to safety valve (1), the oil inlet valve body
(7) the first oil duct (a), the second oil duct (b), third oil duct (c), the 4th oil duct (d), first oil duct (a) are internally provided with
Upper end is arranged oil inlet P, and the oil inlet valve body (7) is internal and is located to extend transversely through between hydraulic fluid port PF and steering safety valve (1) and sets
Flow divider valve core (6) are equipped with, the third oil duct (c) is vertically provided between the first oil duct (a) and the second oil duct (b), and described
Oil inlet P 2 is provided on three oil ducts (c), the oil inlet P 2 is connected to the oil inlet end of main safety valve (9), second oil duct (b)
Hydraulic fluid port PF is arranged in upper end, and the second oil duct (b) connection turns to the oil inlet end of safety valve (1), the steering safety valve (1), master
The oil return opening of safety valve (9) is connected to the 4th oil duct (d), and the 4th oil duct (d) is located at oil inlet valve body (7) lower end, and described the
Four oil ducts (d) are provided with oil return inlet T 2, and the left side screw thread that the oil inlet valve body (7) is located at flow divider valve core (6) is equipped with limit spiral shell
Stifled (2), the right screw thread that the oil inlet valve body (7) is located at flow divider valve core (6) are equipped with the first screw plug (8), the flow divider valve core
(6) intermediate thread be equipped with throttling screw plug (5), the inside of the flow divider valve core (6) and be located at throttling screw plug (5) left side setting
There is spring (4) one end, spring (4) other end offsets with limit screw plug (2), and the back side screw thread of the oil inlet valve body (7) connects
It is connected to the second screw plug (10), the position that second screw plug (10) connect with oil inlet valve body (7) is provided with combination sealing washer
(11), the roughness at oil inlet valve body (7) back side is 0.8 and is equipped with the 2nd 0 shape circle (12), the 4th oil duct (d) with
The orthogonal setting of first oil duct (a), the second oil duct (b), third oil duct (c), and the 4th oil duct (d) is opening up
Half-circle-arc shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821679600.5U CN208951010U (en) | 2018-10-17 | 2018-10-17 | A kind of compact-sized inlet valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821679600.5U CN208951010U (en) | 2018-10-17 | 2018-10-17 | A kind of compact-sized inlet valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208951010U true CN208951010U (en) | 2019-06-07 |
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ID=66741797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821679600.5U Active CN208951010U (en) | 2018-10-17 | 2018-10-17 | A kind of compact-sized inlet valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208951010U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109058207A (en) * | 2018-10-17 | 2018-12-21 | 唐万刚 | A kind of compact-sized inlet valve |
-
2018
- 2018-10-17 CN CN201821679600.5U patent/CN208951010U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109058207A (en) * | 2018-10-17 | 2018-12-21 | 唐万刚 | A kind of compact-sized inlet valve |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 2 Yuwei 12th Road, Yufa Town, Daxing District, Beijing 102602 Patentee after: Beijing Beigao Valve Group Co.,Ltd. Address before: No. 2 Yuwei 12th Road, Yufa Town, Daxing District, Beijing 102602 Patentee before: BEIJING BEIGAO VALVE Co.,Ltd. |