CN208670141U - A kind of spool - Google Patents
A kind of spool Download PDFInfo
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- CN208670141U CN208670141U CN201821521365.9U CN201821521365U CN208670141U CN 208670141 U CN208670141 U CN 208670141U CN 201821521365 U CN201821521365 U CN 201821521365U CN 208670141 U CN208670141 U CN 208670141U
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Abstract
The utility model relates to a kind of spools, it includes valve body and driving mechanism, valve rod is arranged in valve body, valve rod has first position and the second position in body cavity, the first water outlet, the second water outlet and water inlet is arranged in valve body, it is provided with the first sealing, the second sealing and third sealing on valve rod, forms first passage between the first sealing and the second sealing, forms second channel between the second sealing and third sealing；Valve rod is at first position, first water outlet and water inlet are connected with first passage respectively and the second sealing prevents water inlet from being connected with second channel, at the second position, the second water outlet and water inlet are connected with second channel valve rod respectively and the second sealing prevents water inlet from being connected with first passage.The utility model has the advantage of no matter how high the fluid pressure that enters through water inlet is, do not play influence, thus without biggish pressing force, do not influenced by hydraulic pressure height and can normal use.
Description
Technical field
The utility model relates to a kind of diverter valve spools being loaded into inside tap.
Background technique
With the needs that people live, in order to be more convenient operation control valve, key valve core is come into being.Conventional spool is all
It is upper lower porcelain slice, valve rod rotary return, but since tile is prone to wear, the service life is not grown, and the operation of rotation is also comparatively laborious, because
This, people improve the structure of diverter valve spool ten.
In Patent No. CN201520024541.8, patent name is that a kind of Chinese patent of two diverter valve spool of key discloses
A kind of bifurcation structure of spool, easy to operate, finger, which gently presses, can easily divide water, be widely used in various fields
It closes.But the spool of this structure energy normal use in the case where 3 kilograms of water feeding pressure (0.3MPa) Zuo You, but work as water feeding pressure
Can be even higher more than 5 kilograms (0.5MPa), the intensity of its spring can only be reinforced, but consequently lead to need biggish pressing
Power just can overcome spring force that key press is gone down or can not be depressed, and operation difficulty is big, will lead to spool failure.
Summary of the invention
The purpose of this utility model is to provide the purpose of this utility model is to provide one kind not to need biggish pressing
Power, not by hydraulic pressure height influenced using diverter valve spool.
To achieve the above object, the utility model uses following technical scheme:
A kind of spool, including the valve body with inner cavity and the driving mechanism being arranged on valve body, the inner cavity of valve body is provided with
It is driven mechanism and acts on the valve rod that moves axially along, under the action of the driving mechanism, first in body cavity of valve rod
Set between the second position move back and forth switching, the side wall of body cavity be provided with the first radial water outlet, the second water outlet and
Water inlet, in the axial direction of valve body, water inlet is between the first water outlet and the second water outlet；Along its axial order on valve rod
It is provided with the first sealing, the second sealing and the third sealing with the sealing cooperation of body cavity wall, the first sealing and the
First passage is formed between two sealings, forms second channel between the second sealing and third sealing；Valve rod is at first
When setting, the first water outlet and water inlet are connected with first passage and the second sealing prevention water inlet and second channel phase respectively
Connection, at the second position, the second water outlet and water inlet are connected with second channel and the prevention of the second sealing valve rod respectively
Water inlet is connected with first passage.
The utility model has the advantage of valve rods at first position, enters the liquid of first passage to first through water inlet
Sealing generation upwards pressure and generates downward pressure to the second sealing, and two power are equal in magnitude, contrary, the two phase
Offset, similarly, through water inlet enter the liquid of second channel to the generation of the second sealing upward pressure and to third sealing
Downward pressure is generated, two power are equal in magnitude, and contrary, the two offsets, therefore, the liquid pressure no matter entered through water inlet
Li Duogao does not play influence.Thus without biggish pressing force, do not influenced by hydraulic pressure height and can normal use.
The utility model can be improved by following scheme:
The side wall of the valve rod is convexly equipped with the first bulge loop, the second bulge loop and third bulge loop, the first bulge loop, the second bulge loop and
Annular seal groove is recessed on three bulge loops, each road sealing groove pairing is equipped with sealing ring, the first bulge loop, the second bulge loop and third
The sealing ring that bulge loop is matched with it respectively constitutes the first sealing, the second sealing and the third sealing.
The valve body is by switching main body and divides water main body to dock and constitutes, and the inner cavity is formed in switching main body and divides water master
Between body, first water outlet, the second water outlet and water inlet are arranged on dividing water main body.
Dividing its separate one end docked with switching main body of water main body is lower end, divides closing and outside inside the lower end of water main body
It is arranged with water proof set, the bottom of water proof set is equipped with through-hole, is formed between the outer wall of inner wall and the lower end for dividing water main body that water proof covers
It is connected to the runner of the through-hole and the second water outlet.
Over-voltage chamber is formed between the third sealing and body cavity bottom surface, the cavity wall of over-voltage chamber offers relief hole
Over-voltage chamber is formed between the third sealing and body cavity bottom surface, valve rod is provided with pressure release passage, the pressure release
Axially extending setting of the channel along valve rod and the upper and lower end faces through valve rod.
Driving mechanism includes pressing piece, rotating member and reset spring, and pressing piece and rotating member are mounted in valve body and press
It is pierced by valve body at the top of part, the first end of valve rod can be relatively rotated with rotating member docks, and reset spring is axially disposed at valve rod and valve body
Between inner cavity；The inner cavity of valve body is equipped with several sloping platforms, if forming the guide groove of arterial highway axial direction between sloping platform and sloping platform, the bottom surface of sloping platform is in saw
Dentation and have the first inclined-plane and the second inclined-plane；Pressing piece side wall is equipped with the guide pad that can be slided in the guide groove, guiding
Block is fallen in guide groove, and the bottom surface of pressing piece is additionally provided with multiple ratchets；The side wall of rotating member is provided with several rotation convex blocks, rotates convex
Block top surface is the third inclined-plane being obliquely installed；Pressing piece is pressed, the rotating member moves axially downwards, and valve rod moves down, and resets bullet
Spring is compressed, and rotating member rotates under third inclined-plane and ratchet effect during moving down, and rotation convex block is skidded off from guide groove,
Third inclined-plane interacts with the first inclined-plane and keeping opposing stationary is in the first position valve rod；Continue to press pressing piece, turn
Moving part rotation, under the action of reset spring, third inclined-plane leaves the first inclined-plane and continues to rotate along the second inclined-plane, rotates convex
Block enters guide groove and valve rod is made to be in the second position.
The end face of the second end of valve rod is towards body cavity bottom surface and is recessed with its axial direction is provided with spring cavity, described multiple
Position spring is arranged in spring cavity and the bottom surface of spring cavity is supported in one end of reset spring and the other end is supported in the valve body
On the face of bottom of chamber.
Over-voltage chamber is formed between the third sealing and body cavity bottom surface, valve rod is provided with pressure release passage, the pressure release
The bottom surface of axially extending setting of the channel along valve rod and the first end end face through valve rod and spring cavity.
The bottom surface of the rotating member is recessed with round table-like rotary table hole, the end of the first end of the valve rod it is in a circular table shape and
Match with rotary table hole, form over-voltage chamber between the third sealing and body cavity bottom surface, valve rod is provided with pressure release passage, institute
Pressure release passage is stated along the axially extending setting of valve rod and through the bottom of first end the end round table-like side and spring cavity of valve rod
Face.
Detailed description of the invention
Fig. 1 is the three-dimensional state structural schematic diagram of diverter valve spool in embodiment；
Fig. 2 is the three-dimensional exploded status architecture schematic diagram of diverter valve spool in embodiment；
Fig. 3 be diverter valve spool in embodiment a schematic diagram of the section structure (valve rod in first position, the first water outlet and
Water inlet is connected with first passage respectively and the second sealing prevents water inlet from being connected with second channel)；
Fig. 4 be diverter valve spool in embodiment a schematic diagram of the section structure (valve rod in the second position, the second water outlet and
Water inlet is connected with second channel respectively and the second sealing prevents water inlet from being connected with first passage)；
Fig. 5 is the cross-sectional view in Fig. 4 at A-A；
Fig. 6 is the three-dimensional sectional structural schematic diagram for switching main body in embodiment.
Specific embodiment
As shown in Figure 1 and Figure 2, a kind of spool includes the driving for having the valve body 1 of inner cavity 11 and being arranged on valve body 1
Mechanism 2, the inner cavity 11 of valve body 1, which is provided with, is driven the valve rod 3 that the effect of mechanism 2 is moved axially along, in the work of driving mechanism 2
Under, valve rod 3 moves back and forth switching between the first position and the second position of 1 inner cavity 11 of valve body.
The side wall of 1 inner cavity 11 of valve body is provided with the first radial water outlet 12, the second water outlet 13 and water inlet 14, in valve
In the axial direction of body 1, water inlet 14 is between the first water outlet 12 and the second water outlet 13；It is set on valve rod 3 along its axial order
It is equipped with the first sealing 31, the second sealing 32 and the third sealing 33 with the sealing cooperation of 1 inner cavity of valve body, 11 wall, the first sealing
First passage 34 is formed between portion 31 and the second sealing 32, and it is logical that second is formed between the second sealing 32 and third sealing 33
Road 35.
Referring in particular to shown in attached drawing 3, for valve rod 3 at first position, the first water outlet 12 and water inlet 14 are respectively with first
Channel 34 is connected and the second sealing 32 prevents water inlet 14 from being connected with second channel 35.At this point, entering through water inlet 14
The liquid of first passage 34 upwards pressure to the generation of the first sealing 31 and generates downward pressure to the second sealing 32, and two
Power is equal in magnitude, contrary, and the two offsets, and therefore, how high the fluid pressure no matter entered through water inlet 14 is, does not play shadow
It rings.
Referring in particular to shown in attached drawing 4, for valve rod 3 at the second position, the second water outlet 13 and water inlet 14 are respectively with second
Channel 35 is connected and the second sealing 32 prevents water inlet 14 from being connected with first passage 34.At this point, entering through water inlet 14
The liquid of second channel 35 upwards pressure to the generation of the second sealing 32 and generates downward pressure to third sealing 33, and two
Power is equal in magnitude, contrary, and the two offsets, and therefore, how high the fluid pressure no matter entered through water inlet 14 is, does not play shadow
It rings.
For the convenience of manufacture, the valve body 1 is by switching main body 15 and divides water main body 16 to dock and constitutes, and switches main body 15
And divides between water main body 16 and docking is sealed by sealing element.The inner cavity 11 is formed in switching main body 15 and divides between water main body 16,
First water outlet 12, the second water outlet 13 and water inlet 14 are arranged on dividing water main body 16.
In addition, the side wall of the valve rod 3 is convexly equipped with the first bulge loop 311, the second bulge loop 321 and third bulge loop 331, first is convex
Annular seal groove is recessed on ring 311, the second bulge loop 321 and third bulge loop 331, each road sealing groove pairing is equipped with sealing
Circle, the sealing ring that the first bulge loop 311, the second bulge loop 321 and third bulge loop 331 are matched with it respectively constitute first sealing
31, the second sealing 32 and third sealing 33.
It is lower end dividing its separate one end docked with switching main body 15 of water main body 16, in order to be suitable for the fire hose of various structures
Head, water outlet need from (or the lower end) axially outward of valve body 1 flow out, therefore, inside the lower end for dividing water main body 16 closing and
Outer cover is equipped with water proof set 4, and the bottom of water proof set 4 is equipped with through-hole 41, and the inner wall of water proof set 4 is outer with the lower end of dividing water main body 16
The runner for being connected to the through-hole 41 and the second water outlet 13 is formed between wall (as shown in liquid flow line in attached drawing 4 and 5 institute of attached drawing
Show).Water proof set 4 is tightly connected with water main body 16 is divided by sealing element.
Driving mechanism 2 can use a plurality of types of structures, in the present embodiment, preferably such as flowering structure.
Driving mechanism 2 includes pressing piece 21, rotating member 22 and reset spring 23, and pressing piece 21 and rotating member 22 are mounted on valve
It is pierced by valve body 1 in body 1 and at the top of pressing piece 21, the first end of valve rod 3 can be relatively rotated with rotating member 22 docks, reset spring 23
It is axially disposed between 1 inner cavity 11 of valve rod 3 and valve body.
As shown in Fig. 6, the inner cavity 11 of valve body 1 is equipped with several sloping platforms 17, if forming arterial highway axis between sloping platform 17 and sloping platform 17
To guide groove 18, the bottom surface of sloping platform 17 be serrated and have the first inclined-plane 171 and the second inclined-plane 172；On 21 side wall of pressing piece
Equipped with the guide pad 211 that can be slided in the guide groove 18, guide pad 211 is fallen in guide groove 18, and the bottom surface of pressing piece 21 is also set
There are multiple ratchets 212；The side wall of rotating member 22 is provided with several rotation convex blocks 221, and rotation 221 top surface of convex block is obliquely installed
Third inclined-plane 222.
Pressing piece 21 is pressed, the rotating member 22 moves axially downwards, and valve rod 3 moves down, and reset spring 23 is compressed, rotation
Part 22 rotates during moving down in the case where third inclined-plane 222 and ratchet 212 act on, and rotation convex block 221 is skidded off from guide groove 18,
Third inclined-plane 222 interacts with the first inclined-plane 171 and keeping opposing stationary is in the first position valve rod 3；Continue by pressing
Casting die 21, rotating member 22 rotate, under the action of reset spring 23, third inclined-plane 222 leave the first inclined-plane 171 and along second
Inclined-plane 172 continues to rotate, and rotation convex block 221 enters guide groove 18 and valve rod 3 is made to be in the second position.
The end face of the second end of valve rod 3 is towards 1 inner cavity of valve body, 11 bottom surface and is recessed with its axial direction is provided with spring cavity 36,
The reset spring 23 is arranged in spring cavity 36 and the bottom surface of spring cavity 36 is supported in one end of reset spring 23 and the other end supports
It withstands on 1 inner cavity of valve body, 11 bottom surface.
During the up and down motion of valve rod 3, the third sealing 33 and 1 inner cavity of valve body will form over-voltage chamber between 11 bottom surface
19, it is balanced with ambient pressure in order to carry out pressure release to over-voltage chamber 19, and following several modes can be used and solved.
First way is that the cavity wall of direct over-voltage chamber 19 offers relief hole (being not drawn into figure), the inner wall of water proof set 4
It is provided with the via hole (being not drawn into figure) mutually passed through with relief hole.
The second way is that valve rod 3 is provided with pressure release passage 37, and the pressure release passage 37 is set along the axially extending of valve rod 3
Set and run through the upper and lower end faces of valve rod 3.For when valve rod 3 is provided with spring cavity 36, the pressure release passage 37 is along valve
The axially extending setting of bar 3 simultaneously runs through the first end end face of valve rod 3 and the bottom surface of spring cavity 36.
In addition, the bottom surface of the rotating member 22 is recessed with round table-like rotary table hole 223, the end of the first end of the valve rod 3
Portion is in a circular table shape and matches with rotary table hole 223, and over-voltage chamber is formed between 11 bottom surface of the third sealing 33 and 1 inner cavity of valve body
19, at this point, axially extending setting of the pressure release passage 37 along valve rod 3 and the round table-like side in first end end through valve rod 3
The bottom surface in face and spring cavity 36.
Above-described embodiment is the better embodiment of the utility model, and however, the embodiments of the present invention are not limited thereto,
Made changes, modifications, substitutions, combinations, simplifications under other any spiritual essence and principles without departing from the utility model are
Equivalent substitute mode, is included within the protection scope of the utility model.
Claims (10)
1. a kind of spool, including the valve body with inner cavity and the driving mechanism being arranged on valve body, the inner cavity of valve body be provided with by
The valve rod that driving mechanism function moves axially along, under the action of the driving mechanism, valve rod is in the first position of body cavity
Switching is moved back and forth between the second position, which is characterized in that the side wall of body cavity is provided with the first radial water outlet, second
Water outlet and water inlet, in the axial direction of valve body, water inlet is between the first water outlet and the second water outlet；Along it on valve rod
Axial order is provided with the first sealing, the second sealing and third sealing with the sealing cooperation of body cavity wall, and first is close
First passage is formed between envelope portion and the second sealing, forms second channel between the second sealing and third sealing；Valve rod
At first position, the first water outlet and water inlet are connected with first passage respectively and the second sealing prevents water inlet and the
Two channels are connected, valve rod at the second position, the second water outlet and water inlet is connected respectively with second channel and second is close
Envelope portion prevents water inlet from being connected with first passage.
2. a kind of spool according to claim 1, which is characterized in that the side wall of the valve rod is convexly equipped with the first bulge loop,
Two bulge loops and third bulge loop are recessed with annular seal groove on the first bulge loop, the second bulge loop and third bulge loop, and each road sealing groove is matched
To being equipped with sealing ring, it is close that the first bulge loop, the second bulge loop and third bulge loop with its sealing ring matched respectively constitute described first
Envelope portion, the second sealing and third sealing.
3. a kind of spool according to claim 1, which is characterized in that the valve body is by switching main body and water main body is divided to dock
And constitute, the inner cavity is formed in switching main body and divides between water main body, first water outlet, the second water outlet and water inlet
It is arranged on dividing water main body.
4. a kind of spool according to claim 3, which is characterized in that divide water main body its separate one docked with switching main body
End is lower end, divides closing and outer cover inside the lower end of water main body to be equipped with water proof set, the bottom of water proof set is equipped with through-hole, water proof set
Inner wall and the outer wall for the lower end for dividing water main body between be formed with the runner for being connected to the through-hole and the second water outlet.
5. a kind of spool according to claim 3, which is characterized in that shape between the third sealing and body cavity bottom surface
At over-voltage chamber, the cavity wall of over-voltage chamber offers relief hole.
6. a kind of spool according to claim 3, which is characterized in that shape between the third sealing and body cavity bottom surface
At over-voltage chamber, valve rod is provided with pressure release passage, and the pressure release passage is along the axially extending setting of valve rod and through the upper of valve rod
Lower both ends of the surface.
7. according to claim 1 to a kind of spool described in claim 4 any claim, which is characterized in that driving mechanism
Including pressing piece, rotating member and reset spring, pressing piece and rotating member are mounted in valve body and are pierced by valve body, valve at the top of pressing piece
The first end of bar can be relatively rotated with rotating member and be docked, and reset spring is axially disposed between valve rod and body cavity；The inner cavity of valve body
Equipped with several sloping platforms, if forming the guide groove of arterial highway axial direction between sloping platform and sloping platform, the bottom surface of sloping platform is serrated and has first oblique
Face and the second inclined-plane；Pressing piece side wall is equipped with the guide pad that can be slided in the guide groove, and guide pad is fallen in guide groove, presses
The bottom surface of part is additionally provided with multiple ratchets；The side wall of rotating member is provided with several rotation convex blocks, and rotation convex block top surface is to be obliquely installed
Third inclined-plane；Pressing piece is pressed, the rotating member moves axially downwards, and valve rod moves down, and reset spring is compressed, and rotating member exists
It is rotated under third inclined-plane and ratchet effect during moving down, rotation convex block is skidded off from guide groove, and third inclined-plane and first is tiltedly
Face interacts and keeping opposing stationary is in the first position valve rod；Continue to press pressing piece, rotating member rotation is resetting bullet
Under the action of spring, third inclined-plane leaves the first inclined-plane and continues to rotate along the second inclined-plane, and rotation convex block enters guide groove and makes valve
Bar is in the second position.
8. a kind of spool according to claim 7, which is characterized in that the end face of the second end of valve rod is towards body cavity bottom
It face and is recessed with its axial direction is provided with spring cavity, the reset spring is arranged in spring cavity and one end of reset spring is supported
The bottom surface of spring cavity and the other end is supported on the body cavity bottom surface.
9. a kind of spool according to claim 8, which is characterized in that shape between the third sealing and body cavity bottom surface
At over-voltage chamber, valve rod is provided with pressure release passage, axially extending setting of the pressure release passage along valve rod and the through valve rod
The bottom surface of one end end face and spring cavity.
10. a kind of spool according to claim 8, which is characterized in that the bottom surface of the rotating member is recessed with round table-like
Rotary table hole, the end of the first end of the valve rod is in a circular table shape and matches with rotary table hole, in the third sealing and valve body
Over-voltage chamber is formed between the face of bottom of chamber, valve rod is provided with pressure release passage, the pressure release passage along valve rod axially extending setting and pass through
Wear the bottom surface of first end the end round table-like side and spring cavity of valve rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821521365.9U CN208670141U (en) | 2018-09-18 | 2018-09-18 | A kind of spool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821521365.9U CN208670141U (en) | 2018-09-18 | 2018-09-18 | A kind of spool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208670141U true CN208670141U (en) | 2019-03-29 |
Family
ID=65842052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821521365.9U Active CN208670141U (en) | 2018-09-18 | 2018-09-18 | A kind of spool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208670141U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3964740A1 (en) * | 2020-09-08 | 2022-03-09 | Fujian Xihe Sanitary Ware Technology Co., Ltd. | Pressing valve and water tap |
-
2018
- 2018-09-18 CN CN201821521365.9U patent/CN208670141U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3964740A1 (en) * | 2020-09-08 | 2022-03-09 | Fujian Xihe Sanitary Ware Technology Co., Ltd. | Pressing valve and water tap |
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