CN209041721U - A kind of hard seal wear-resistant fixing ball valve - Google Patents
A kind of hard seal wear-resistant fixing ball valve Download PDFInfo
- Publication number
- CN209041721U CN209041721U CN201821326779.6U CN201821326779U CN209041721U CN 209041721 U CN209041721 U CN 209041721U CN 201821326779 U CN201821326779 U CN 201821326779U CN 209041721 U CN209041721 U CN 209041721U
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- bearing
- fixedly connected
- valve rod
- coarse adjustment
- ball valve
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Abstract
The utility model discloses a kind of hard seal wear-resistant fixing ball valves, including valve body, the interior lower end of the valve body is equipped with the first groove, the inside of first groove is equipped with lower bearing, and the inner ring of the lower bearing is fixedly connected with lower valve rod, and the upper end of the lower valve rod is fixedly connected with sphere, the inner upper end of the valve body is equipped with the second groove, the inside of second groove is equipped with upper bearing (metal), and the inner ring of the upper bearing (metal) is fixedly connected with upper valve rod, and the lower end of the upper valve rod is fixedly connected with sphere.The abrasion that lower valve rod and upper valve rod are subject to can be reduced by lower bearing and upper bearing (metal), improve the service life of lower valve rod and upper valve rod；By the rotation of control coarse adjustment gear and fine tuning gear, the coarse adjustment and fine tuning to ball valve flow can be realized, so as to improve the control of ball valve water flow, so that the control of ball valve water flow is more accurate.
Description
Technical field
The utility model relates to ball valve technical field, specially a kind of hard seal wear-resistant fixing ball valve.
Background technique
The valve that ball valve opening and closing element (sphere) is driven by valve rod, and rotated around ball valve axis.Also it can be used for fluid
Adjusting and control, wherein firmly sealing its V-type core of V-type ball valve and the metal seat valve of pile-up welding hard alloy between have it is very strong
Shearing force, the medium especially suitable for fibre-bearing, small solid pellet etc..And multi-pass ball valve not only can be controlled flexibly on pipeline
The interflow of medium, the switching for shunting and flowing to, while any channel can also be closed and other two channel is made to be connected.This class valve
Door should be generally horizontally mounted in the duct.Ball valve is divided into according to driving method: pneumatic ball valve, electrical ball valve, manual ball valve.
Currently, existing ball valve is mostly to be equipped with annular on valve body by being equipped with ring-shaped stripe protrusion in stem surface
Slot engages ring-shaped stripe protrusion with annular groove, realizes the installation of valve rod.
1) but valve rod is during prolonged use, is easy to appear the case where stem wear leads to leak at valve rod；
It 2) is mostly the flow of direct rotation valve rod control water when existing ball valve control water flow, control effect is poor.
Utility model content
The purpose of this utility model is to provide a kind of hard seal wear-resistant fixing ball valves, to solve to mention in above-mentioned background technique
Out the problem of.
To achieve the above object, the utility model provides the following technical solutions: a kind of hard seal wear-resistant fixing ball valve, including
The interior lower end of valve body, the valve body is equipped with the first groove, and the inside of first groove is equipped with lower bearing, the lower bearing
Inner ring be fixedly connected with lower valve rod, the upper end of the lower valve rod is fixedly connected with sphere, and the inner upper end of the valve body is equipped with
Second groove, the inside of second groove are equipped with upper bearing (metal), and the inner ring of the upper bearing (metal) is fixedly connected with upper valve rod, described
The lower end of upper valve rod is fixedly connected with sphere.
Preferably, the lower bearing and upper bearing (metal) are water-sealed bearing.
Preferably, the upper end of the valve body is fixedly connected with ring flange, and the upper surface of the ring flange is bolted
There is box body, the upper end of the upper valve rod connects box body by bearing, and the upper end of the upper valve rod is fixedly connected with adjustment gear.
Preferably, the inside of the box body is connected with fine tuning bull stick by bearing, and the upper end of the fine tuning bull stick is fixed to be connected
It is connected to vernier knob, the surface of the fine tuning bull stick is fixedly connected with fine tuning gear, and connection is engaged in the side of the fine tuning gear
Adjustment gear.
Preferably, the inside of the box body is connected with coarse adjustment bull stick by bearing, and the upper end of the coarse adjustment bull stick is fixed to be connected
It is connected to coarse adjustment knob, the surface of the coarse adjustment bull stick is fixedly connected with coarse adjustment gear, and connection is engaged in the side of the coarse adjustment gear
Adjustment gear.
Preferably, the diameter of the adjustment gear is 4 times for finely tuning gear diameter, and the diameter of the coarse adjustment gear is to adjust
2 times of gear diameter.
Compared with prior art, the utility model has the beneficial effects that the hard seal wear-resistant fixing ball valve:
First, the abrasion that lower valve rod and upper valve rod are subject to can be reduced by lower bearing and upper bearing (metal), improve lower valve rod and
The service life of upper valve rod；
Second, by the rotation of control coarse adjustment gear and fine tuning gear, it can be realized the coarse adjustment and fine tuning to ball valve flow,
So as to improve the control of ball valve water flow, so that the control of ball valve water flow is more accurate.
Detailed description of the invention
Fig. 1 is the overall structure sectional view of the utility model.
In figure: 1 valve body, 2 first grooves, 3 lower bearings, 4 lower valve rods, 5 spheres, 6 second grooves, 7 upper bearing (metal)s, 8 upper valve rods,
9 ring flanges, 10 box bodys, 11 adjustment gears, 12 fine tuning bull sticks, 13 vernier knobs, 14 fine tuning gears, 15 coarse adjustment bull sticks, 16 coarse adjustment
Knob, 17 coarse adjustment gears.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
In the description of the present invention, it should be understood that term " longitudinal direction ", " transverse direction ", "upper", "lower", " preceding ",
The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" be based on
Orientation or positional relationship shown in the drawings is merely for convenience of description the utility model, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model
Limitation.
Referring to Fig. 1, a kind of hard seal wear-resistant fixing ball valve, including valve body 1, it is recessed that the interior lower end of valve body 1 is equipped with first
Slot 2, the inside of the first groove 2 are equipped with lower bearing 3, and the inner ring of lower bearing 3 is fixedly connected with lower valve rod 4, the upper end of lower valve rod 4
It is fixedly connected with sphere 5, the inner upper end of valve body 1 is equipped with the second groove 6, and the inside of the second groove 6 is equipped with upper bearing (metal) 7, under
Bearing 3 and upper bearing (metal) 7 are water-sealed bearing, and the inner ring of upper bearing (metal) 7 is fixedly connected with upper valve rod 8, and the lower end of upper valve rod 8 is fixed to be connected
It receives body 5.
Referring to Fig. 1, the upper end of valve body 1 is fixedly connected with ring flange 9, the upper surface of ring flange 9 has been bolted
The upper end of box body 10, upper valve rod 8 connects box body 10 by bearing, and the upper end of upper valve rod 8 is fixedly connected with adjustment gear 11, box body
10 inside is connected with fine tuning bull stick 12 by bearing, and the upper end of fine tuning bull stick 12 is fixedly connected with vernier knob 13, and fine tuning turns
The surface of bar 12 be fixedly connected with fine tuning gear 14, fine tuning gear 14 side engagement connection adjustment gear 11, box body 10 it is interior
Portion is connected with coarse adjustment bull stick 15 by bearing, and the upper end of coarse adjustment bull stick 15 is fixedly connected with coarse adjustment knob 16, coarse adjustment bull stick 15
Surface is fixedly connected with coarse adjustment gear 17, the side engagement connection adjustment gear 11 of coarse adjustment gear 17, the diameter of adjustment gear 11
It is 4 times for finely tuning 14 diameter of gear, the diameter of coarse adjustment gear 17 is 2 times of 11 diameter of adjustment gear.
When the utility model is specifically implemented: when in use, rotation upper valve rod 8 drives sphere 5 to rotate, under sphere 5 drives
Valve rod 4 rotates, and can reduce the abrasion that lower valve rod 4 and upper valve rod 8 are subject to by lower bearing 3 and upper bearing (metal) 7, improve lower valve rod 4
With the service life of upper valve rod 8, also, by rotation coarse adjustment knob 16 drive coarse adjustment bull stick 15 rotate, coarse adjustment bull stick 15 drive
Coarse adjustment gear 17 rotates, and coarse adjustment gear 17 drives adjustment gear 11 to rotate, and adjustment gear 11 drives upper valve rod 8 to rotate, upper valve rod 8
It drives sphere 5 to rotate, since the diameter of coarse adjustment gear 17 is 2 times of 11 diameter of adjustment gear, rotates 16 energy of coarse adjustment knob
It is enough that thick item is carried out to water flow, it then rotates vernier knob 13 and fine tuning bull stick 12 is driven to rotate, fine tuning bull stick 12 drives fine tuning tooth
14 rotation of wheel, fine tuning gear 14 drive adjustment gear 11 to rotate, and adjustment gear 11 drives upper valve rod 8 to rotate, and upper valve rod 8 drives ball
Body 5 rotates, can by rotation vernier knob 13 since the diameter of adjustment gear 11 is 4 times for finely tuning 14 diameter of gear
Water flow is finely adjusted, so as to improve the control of ball valve water flow, so that the control of ball valve water flow is more accurate.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of hard seal wear-resistant fixing ball valve, including valve body (1), it is characterised in that: the interior lower end of the valve body (1) is equipped with
The inside of first groove (2), first groove (2) is equipped with lower bearing (3), and the inner ring of the lower bearing (3) is fixedly connected
Have lower valve rod (4), the upper end of the lower valve rod (4) is fixedly connected with sphere (5), and the inner upper end of the valve body (1) is equipped with the
The inside of two grooves (6), second groove (6) is equipped with upper bearing (metal) (7), and the inner ring of the upper bearing (metal) (7) is fixedly connected with
The lower end of upper valve rod (8), the upper valve rod (8) is fixedly connected with sphere (5).
2. a kind of hard seal wear-resistant fixing ball valve according to claim 1, it is characterised in that: the lower bearing (3) and upper
Bearing (7) is water-sealed bearing.
3. a kind of hard seal wear-resistant fixing ball valve according to claim 1, it is characterised in that: the upper end of the valve body (1)
It is fixedly connected with ring flange (9), the upper surface of the ring flange (9) has been bolted box body (10), the upper valve rod (8)
Upper end by bearing connect box body (10), the upper end of the upper valve rod (8) is fixedly connected with adjustment gear (11).
4. a kind of hard seal wear-resistant fixing ball valve according to claim 3, it is characterised in that: the inside of the box body (10)
It is connected with fine tuning bull stick (12) by bearing, the upper end of fine tuning bull stick (12) is fixedly connected with vernier knob (13), described
The surface of fine tuning bull stick (12) is fixedly connected with fine tuning gear (14), the side engagement connection adjusting tooth of fine tuning gear (14)
It takes turns (11).
5. a kind of hard seal wear-resistant fixing ball valve according to claim 3, it is characterised in that: the inside of the box body (10)
It is connected with coarse adjustment bull stick (15) by bearing, the upper end of the coarse adjustment bull stick (15) is fixedly connected with coarse adjustment knob (16), described
The surface of coarse adjustment bull stick (15) is fixedly connected with coarse adjustment gear (17), the side engagement connection adjusting tooth of the coarse adjustment gear (17)
It takes turns (11).
6. a kind of hard seal wear-resistant fixing ball valve according to claim 5, it is characterised in that: the adjustment gear (11)
Diameter is 4 times for finely tuning gear (14) diameter, and the diameter of the coarse adjustment gear (17) is 2 times of adjustment gear (11) diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821326779.6U CN209041721U (en) | 2018-08-17 | 2018-08-17 | A kind of hard seal wear-resistant fixing ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821326779.6U CN209041721U (en) | 2018-08-17 | 2018-08-17 | A kind of hard seal wear-resistant fixing ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209041721U true CN209041721U (en) | 2019-06-28 |
Family
ID=67031111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821326779.6U Active CN209041721U (en) | 2018-08-17 | 2018-08-17 | A kind of hard seal wear-resistant fixing ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209041721U (en) |
-
2018
- 2018-08-17 CN CN201821326779.6U patent/CN209041721U/en active Active
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