CN206280321U - A kind of efficient hand-operated direction valve - Google Patents
A kind of efficient hand-operated direction valve Download PDFInfo
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- CN206280321U CN206280321U CN201621273843.XU CN201621273843U CN206280321U CN 206280321 U CN206280321 U CN 206280321U CN 201621273843 U CN201621273843 U CN 201621273843U CN 206280321 U CN206280321 U CN 206280321U
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- China
- Prior art keywords
- push rod
- protecgulum
- valve body
- valve
- operated direction
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Abstract
The utility model discloses a kind of efficient hand-operated direction valve, hand-operated direction valve includes a valve body, and valve body one end is provided with protecgulum, and the valve body other end is provided with bonnet, and valve element is provided with valve body, and valve element can be horizontally slipped in valve body, and hand-operated direction valve also includes：Push rod, push rod is arranged in the spring cavity inside protecgulum, and push rod is connected with valve element；Transmission mechanism, transmission mechanism is arranged in protecgulum, and transmission mechanism is connected with push rod；Handle, handle is connected with transmission mechanism；Detent mechanism, detent mechanism is arranged in protecgulum, and detent mechanism is connected with push rod；Position-limit mechanism, position-limit mechanism includes back-up ring and the first spring base, and back-up ring is arranged in protecgulum, and back-up ring be can contact with one end of push rod, and the first spring base is arranged in bonnet, and the first spring base can contact with valve element one end.The utility model simple structure, substantially reduces volume, reduces manufacturing cost and greatly improves sealing property.
Description
Technical field
The utility model is related to a kind of reversal valve, and in particular to a kind of efficient hand-operated direction valve.
Background technology
Hand-operated direction valve is widely used among hydraulic circuit, and it is manually operated to realize the axle of valve element
To movement, so as to change the relative position of valve element and valve body (set), closed with the flow direction and break-make of realizing controlling hydraulic oil
System.In actual condition, the Various Complex control that it can meet the different indexs such as the action frequency and holding working condition duration will
Ask, processing safety is high and control mode is simple, is usually used in engineering machinery, lathe and various industrial circles.Due to changing manually
To valve in practical work process frequent operation, manually operated unbalance stress, especially easily make its protecgulum inner seal liner excessive wear
And cause oil liquid leakage.Existing 16 latus rectum hydraulic directional valve front and rear covers are bulky, the big high cost of amount of machining, and with it is equal
The electro-hydraulic directional valve valve body of specification is not general, causes inconvenience and the poor universality manufactured.
Utility model content
The utility model is in order to solve the above problems, so as to provide a kind of efficient hand-operated direction valve.
To reach above-mentioned purpose, the technical solution of the utility model is as follows：
A kind of efficient hand-operated direction valve, hand-operated direction valve includes a valve body, and the first hydraulic fluid port, second are provided with the valve body
Hydraulic fluid port, the 3rd hydraulic fluid port and the 4th hydraulic fluid port, described valve body one end are provided with protecgulum, and the valve body other end is provided with bonnet, the valve body
Valve element is inside provided with, the valve element can be horizontally slipped in valve body, and the hand-operated direction valve also includes：
Push rod, the push rod is arranged in the spring cavity inside protecgulum, and the push rod is connected with valve element；
Transmission mechanism, the transmission mechanism is arranged in protecgulum, and the transmission mechanism is connected with push rod；
Handle, the handle is connected with transmission mechanism；
Detent mechanism, the detent mechanism is arranged in protecgulum, and the detent mechanism is connected with push rod；
Position-limit mechanism, the position-limit mechanism includes back-up ring and the first spring base, and the back-up ring is arranged in protecgulum, the gear
Circle be can contact with one end of push rod, and first spring base is arranged in bonnet, and first spring base can connect with valve element one end
Touch.
In a preferred embodiment of the present utility model, the transmission mechanism includes hinge axis and bearing pin, the hinge
Axle is connected with handle threads, and described bearing pin one end is connected with hinge axis, and the other end is connected with push rod.
In a preferred embodiment of the present utility model, the detent mechanism include steel ball, second spring seat, packing ring,
Spring and blind nut, the steel ball and push rod coordinate and contact, and the spring is arranged in blind nut, described second spring seat one end and bullet
Spring is contacted, and the other end is contacted with steel ball, and the blind nut is threadedly coupled with protecgulum, and the packing ring is set in outside blind nut.
In a preferred embodiment of the present utility model, the first sealing mechanism is provided between the hinge axis and protecgulum.
In a preferred embodiment of the present utility model, be connected by screw between the protecgulum and valve body, it is described before
The second sealing mechanism is provided between lid and valve body.
In a preferred embodiment of the present utility model, be connected by screw between the bonnet and valve body, it is described after
The 3rd sealing mechanism is provided between lid and valve body.
The beneficial effects of the utility model are：
The utility model simple structure, substantially reduces volume, reduces manufacturing cost and greatly improves sealing property.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is sectional view of the present utility model；
Fig. 2 is top view of the present utility model；
Fig. 3 is left view of the present utility model；
Fig. 4 is the structural representation of push rod；
Fig. 5 is the structural representation of hinge axis；
Fig. 6 is the structural representation of bearing pin；
Fig. 7 is the structural representation of valve element.
Specific embodiment
In order that technological means, creation characteristic, reached purpose and effect that the utility model is realized are easy to understand, under
Face combines and is specifically illustrating, and the utility model is expanded on further.
Referring to Fig. 1 to Fig. 7, the efficient hand-operated direction valve that the utility model is provided, it include valve body 100, protecgulum 200,
Bonnet 300, valve element 400, push rod 500, handle 600, transmission mechanism, detent mechanism and position-limit mechanism.
Valve body 100, it is provided with the first hydraulic fluid port T, the second hydraulic fluid port A, the 3rd hydraulic fluid port B and the 4th hydraulic fluid port P above.
Protecgulum 200, it passes through the left side that screw 201 is removably disposed in valve body 100, and spring is provided with protecgulum 200
Back-moving spring 203 is provided with chamber 202, spring cavity 202, back-moving spring 203 is provided with back-up ring 204.
Bonnet 300, it passes through the right side that screw 301 is removably disposed in valve body 100.
In addition, in order to improve the sealing between protecgulum 200 and valve body 100 and improve between bonnet 300 and valve body 100
Sealing, the second sealing mechanism is provided between protecgulum and 200 valve bodies 100, and the 3rd is provided between bonnet 300 and valve body 100
Sealing mechanism.
Second sealing mechanism includes two identical sealing rings 205, and the two sealing rings 205 are arranged on protecgulum 200 and valve
Between body 100.
3rd sealing mechanism includes two identical sealing rings 302, and the two sealing rings 302 are arranged on bonnet 300 and valve
Between body 100.
Valve element 400, it is arranged on inside valve body 100, and can be horizontally slipped in the valve body 100, its one end with it is multiple
Position spring 203 is contacted, and it is for controlling the first hydraulic fluid port T, the connection between the second hydraulic fluid port A, the 3rd hydraulic fluid port B and the 4th hydraulic fluid port P.
Contacted with back-moving spring 203 in valve element 400 and be provided with one end T-slot 401.
Several shoulders 402 are provided with valve element 400, shoulder 402 and valve body can be changed by moving left and right for valve element 400
The relative position of each annular groove in 100, so as to form different position functions.
The balancing slit 403 of multiple tracks circumferentially directional spreding is provided with each shoulder 402, balancing slit 403 can be played radially
The effect of balance, eliminates the lateral hydraulic force that valve element 400 is subject in motion process.
Push rod 500, it is arranged in the spring cavity 202 of protecgulum 200, and its one end is connected with valve element 400, its be for
Band movable valve plug 400 carries out left and right displacement in valve body 100.
Push rod 500, it is the body of rod of rectangular cross-section, and the connection end 501 of a T shape, connection end are provided with body of rod one end
501 are connected with the T-slot 401 of valve element 400.
Cylindrical hole 520 is provided with push rod 500, in the aperture milling flat 503 of cylindrical hole 520,
The locating slot 504 that several sections are trapezoidal shape is provided with the bottom of push rod 500.
Transmission mechanism, it is arranged in protecgulum 200, and it is connected with push rod 500 and handle 600 respectively, and handle 600 exists
When carrying out left and right promotion, left and right displacement can be carried out by transmission mechanism drive push rod 500, so as to realize the left and right position of valve element 400
Move.
Transmission mechanism includes hinge axis 610 and bearing pin 620.
Hinge axis 610, it is arranged in protecgulum 200, and it is connected through a screw thread with handle 600, and handle 600 is carrying out left and right
Hinge axis 610 can be driven during promotion to carry out clockwise or counterclockwise, circumferentially directional spreding being provided with its outer surface
Two identical seal grooves 611 and two identical Glais ring grooves 612.
The first sealing mechanism is provided between hinge axis 610 and protecgulum 200, the first sealing mechanism includes two identical sealings
Circle 613 and two identical Glais rings 614, each sealing ring 613 correspondence are placed in a seal groove 611, each lattice Lay
The correspondence of circle 614 is placed in a Glais ring groove 612, so can effectively prevent hand-operated valve during frequent operation due to sealing
The fluid that part abrasion is caused leaks, and may also function as the effect of water proof and dust proof.
Ladder circle post holes 615 is provided with the middle part of hinge axis 610, the first counterbore 616, first are provided with the one end of hinge axis 610
Counterbore 616 is spacing for being carried out to bearing pin 620, and the other end is provided with the second counterbore 617, and the second counterbore 617 is used to carry out handle
It is spacing.
Groove 618 is provided with the contact jaw of hinge axis 610 and protecgulum 200, back-up ring 619 is provided with groove 618, can so enter one
Step improves the sealing between hinge axis 610 and protecgulum 200.
Bearing pin 620, its one end is connected with hinge axis 610, and the other end is connected with push rod 500.
Cylindrical end 621 is provided with bearing pin 620, cylindrical end 621 is connected with ladder circle post holes 615, on bearing pin 620
The shaft shoulder 622 is provided with, the corresponding matching of 622 and first counterbore of the shaft shoulder 616, the shaft shoulder 622 can be used between bearing pin 620 and hinge axis 610
Positioning.
The sphere 623 with the corresponding matching of cylindrical hole 520 on push rod 500 is provided with the one end of bearing pin 620, bearing pin 620 passes through
Sphere 623 is connected with push rod 500, when the sphere 623 of bearing pin 620 is rolled in cylindrical hole 520, can drive push rod 500
Carry out left and right displacement.
In addition, being provided with the groove 624 for cone structure between the shaft shoulder 622 and sphere 623, groove 624 can avoid bearing pin 620 from existing
Without interference during motion in push rod 500.
Handle 600, it is threadedly coupled by the second counterbore 617 with hinge axis 610, when it carries out left and right promotion,
It can drive hinge axis 610 to be rotated, and hinge axis 610 can drive bearing pin 620 to be rotated when rotating, and bearing pin 620 is in rotation
When can drive the push rod 500 to carry out displacement, band movable valve plug 400 carries out displacement to push rod 500 again, so as to realize commutation.
Detent mechanism, it is arranged in protecgulum 200, its be for being positioned to push rod 500, after handle 600 removes power,
May be such that push rod 500 is fixed on certain position.
Detent mechanism includes steel ball 710, second spring seat 720, packing ring 730, spring 740 and blind nut 750.
Steel ball 710 is connected with each locating slot 504 of push rod bottom, and spring 740 is arranged in blind nut 750, and second
The one end of spring base 720 is contacted with spring 740, and the other end is contacted with steel ball 710, and blind nut 750 is threadedly coupled with protecgulum 200, packing ring
730 are set in outside blind nut 750.
So needing to withstand steel ball 710 when push rod 500 carries out displacement overcomes the elastic force of spring 740 just to carry out displacement,
After the thrust of handle 600 is cancelled, spring 740 can be withstood in locating slot 504 steel ball 710, so as to prevent the displacement of push rod 500.
Position-limit mechanism, it is to be carried out for the displacement to push rod 500 and valve element 400 spacing, and it includes back-up ring 810 and first
Spring base 820, back-up ring 810 is arranged in protecgulum 200, and back-up ring 810 can contact with one end of push rod 500, and the first spring base 820 sets
Put in bonnet 300, the spring 821 on the first spring base 820 be can contact with the one end of valve element 400, and back-up ring is provided with spring 821
822。
Here is the specific work process of the application：
When the application does not work, valve element 400 is fixed on valve body by the presence of two ends spring force and the first hydraulic fluid port T pressure
In the middle of 100, at this moment the first hydraulic fluid port T, the second hydraulic fluid port A, the 3rd hydraulic fluid port B and the 4th hydraulic fluid port P separate each other.
When handle 600 is pushed away to the left, handle 600 can drive hinge axis 610 and the bearing pin 620 to carry out rotate counterclockwise, bearing pin
620 can promote push rod 500 and the displacement to the right of valve element 400 to move, and at this moment, the 4th hydraulic fluid port P is connected with the 3rd hydraulic fluid port B, the second hydraulic fluid port A and
First hydraulic fluid port T is connected.
When being pushed away to the right such as handle 600, handle 600 can drive hinge axis 610 and bearing pin 620 to be turned clockwise, bearing pin
620 can promote push rod 500 and valve element 400 to be moved to left dislocation, at this moment, the 4th hydraulic fluid port P is connected with the second hydraulic fluid port A, the 3rd hydraulic fluid port B
First hydraulic fluid port T connect with.
General principle of the present utility model and principal character and advantage of the present utility model has been shown and described above.One's own profession
The technical staff of industry it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, on the premise of the utility model spirit and scope are not departed from, the utility model is also
Various changes and modifications are had, these changes and improvements are both fallen within the range of claimed the utility model.The utility model
Claimed scope is by appending claims and its equivalent thereof.
Claims (6)
1. a kind of efficient hand-operated direction valve, hand-operated direction valve includes a valve body, and the first hydraulic fluid port, the second oil are provided with the valve body
Mouth, the 3rd hydraulic fluid port and the 4th hydraulic fluid port, described valve body one end are provided with protecgulum, and the valve body other end is provided with bonnet, in the valve body
Valve element is provided with, the valve element can be horizontally slipped in valve body, it is characterised in that the hand-operated direction valve also includes：
Push rod, the push rod is arranged in the spring cavity inside protecgulum, and the push rod is connected with valve element；
Transmission mechanism, the transmission mechanism is arranged in protecgulum, and the transmission mechanism is connected with push rod；
Handle, the handle is connected with transmission mechanism；
Detent mechanism, the detent mechanism is arranged in protecgulum, and the detent mechanism is connected with push rod；
Position-limit mechanism, the position-limit mechanism includes back-up ring and the first spring base, and the back-up ring is arranged in protecgulum, the back-up ring with
One end of push rod be can contact, and first spring base is arranged in bonnet, and first spring base can contact with valve element one end.
2. a kind of efficient hand-operated direction valve according to claim 1, it is characterised in that the transmission mechanism includes hinge
Axle and bearing pin, the hinge axis are connected with handle threads, and described bearing pin one end is connected with hinge axis, and the other end coordinates with push rod and connects
Connect.
3. a kind of efficient hand-operated direction valve according to claim 1, it is characterised in that the detent mechanism includes steel
Ball, second spring seat, packing ring, spring and blind nut, the steel ball are contacted with push rod cooperation, and the spring is arranged in blind nut, institute
State second spring seat one end to be contacted with spring, the other end is contacted with steel ball, and the blind nut is threadedly coupled with protecgulum, the gasket sleeve
It is located at outside blind nut.
4. a kind of efficient hand-operated direction valve according to claim 2, it is characterised in that between the hinge axis and protecgulum
It is provided with the first sealing mechanism.
5. a kind of efficient hand-operated direction valve according to claim 1, it is characterised in that lead between the protecgulum and valve body
Mode connects for screw is crossed, the second sealing mechanism is provided between the protecgulum and valve body.
6. a kind of efficient hand-operated direction valve according to claim 1, it is characterised in that lead between the bonnet and valve body
Mode connects for screw is crossed, the 3rd sealing mechanism is provided between the bonnet and valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621273843.XU CN206280321U (en) | 2016-11-24 | 2016-11-24 | A kind of efficient hand-operated direction valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621273843.XU CN206280321U (en) | 2016-11-24 | 2016-11-24 | A kind of efficient hand-operated direction valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206280321U true CN206280321U (en) | 2017-06-27 |
Family
ID=59083944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621273843.XU Active CN206280321U (en) | 2016-11-24 | 2016-11-24 | A kind of efficient hand-operated direction valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206280321U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108644172A (en) * | 2018-07-23 | 2018-10-12 | 山西精艺液压制造有限公司 | A kind of two-way reversal valve |
-
2016
- 2016-11-24 CN CN201621273843.XU patent/CN206280321U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108644172A (en) * | 2018-07-23 | 2018-10-12 | 山西精艺液压制造有限公司 | A kind of two-way reversal valve |
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