CN206694577U - Flanged ball valve - Google Patents
Flanged ball valve Download PDFInfo
- Publication number
- CN206694577U CN206694577U CN201720443572.6U CN201720443572U CN206694577U CN 206694577 U CN206694577 U CN 206694577U CN 201720443572 U CN201720443572 U CN 201720443572U CN 206694577 U CN206694577 U CN 206694577U
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- flange
- valve body
- electric insulation
- ball valve
- insulation set
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Abstract
The utility model provides a kind of flanged ball valve, belongs to field of mechanical technique.It solves the problems, such as that existing flanged ball valve easily leaks electricity and influences operator's personal safety.This flanged ball valve includes valve body, valve body one end is provided with flange, valve body is provided with outside one end of flange and is socketed with using electric insulation set made of insulating materials, it is outer that flange is socketed in electric insulation set, the sidepiece of electric insulation set has radially projecting cyclic convex edge, and the outer face of flange and the inner face of cyclic convex edge lean.This flanged ball valve has the advantages that to realize electrical isolation between valve body and flange, prevents flange to valve body conduction.
Description
Technical field
The utility model belongs to field of mechanical technique, is related to a kind of ball valve, more particularly to a kind of flanged ball valve.
Background technology
Water pump would generally connect a ball valve in its water inlet or water outlet, to realize control flow or insulating liquid
Body.A kind of ball valve [the application number provided with straight cutting card crimping mouth and loose flange interface being once disclosed such as Chinese patent：
201520628595.5], it includes valve body, ball valve core, valve rod, swing handle, O-ring, and the right outside of valve body is provided with circular step
Flange is referred to as connected unit, and rotatable loose flange is provided with connected unit.When in use, directly mutually fixed with water pump by flange
Or the pipeline being connected with water pump is connected.
But because existing valve is typically all to use made of brass material, and flange is also all to use
Made of metal material, then if leaky occurs in use in water pump, directly fax can be directed on flange,
And it is ultimately conducted to by flange on whole valve body.So, will be got an electric shock when user is operating valve, so as to have influence on
Personal safety.
The content of the invention
The purpose of this utility model is in view of the above-mentioned problems existing in the prior art, it is proposed that a kind of flanged ball valve,
The technical problem of solution is how to realize the electrical isolation between valve body and flange, prevents that flange is conductive to valve body.
The purpose of this utility model can be realized by following technical proposal：
Flanged ball valve, including valve body, described valve body one end are provided with flange, it is characterised in that described valve body is provided with method
It is socketed with outside blue one end using electric insulation set made of insulating materials, described flange is socketed in outside electric insulation set, institute
The sidepiece for the electric insulation set stated has a radially projecting cyclic convex edge, the outer face of described flange and cyclic convex edge it is interior
End face leans.
Electric insulation set is socketed outside valve body, and flange is socketed in outside electric insulation set, and electric insulation set sidepiece
The inner face of cyclic convex edge and the outer face of flange lean, so flange and valve body lateral wall are changed into from directly contacting
Flange is directly contacted with electric insulation set lateral wall, and electric insulation set is adopted and is made from an insulative material, then valve body and method
Just obstructed between orchid by electric insulation set.Fax is directed on flange so when leaking electricity occurs in the water pump being connected with flange
When, because the electricity being present such that on flange of electric insulation set will not be conducted to valve body again, it is achieved thereby that valve body and method
Electrical isolation between orchid, improve the security used.
In above-mentioned flanged ball valve, one end external screw thread that described valve body is provided with flange is connected with abutment sleeve, described
The sidepiece of abutment sleeve there is radially projecting ring-type shoulder block, the outer face of the cyclic convex edge of described electric insulation set with
The inner face of ring-type shoulder block leans.
In assembling, first flange is socketed in outside electric insulation set, electric insulation set is then socketed in abutment sleeve again
Outside, abutment sleeve is finally inconjunction with electric insulation set again and flange is together threadedly coupled on valve body, form an entirety.
So, electric insulation set can be just positioned on valve body and positioned at valve body and flange between, so as to playing to valve body and
The effect of electrical isolation is carried out between flange.
In above-mentioned flanged ball valve, the outer end of described flange has cavity, described cyclic convex edge and ring-type shoulder block
It is respectively positioned in cavity, and the inner face of cyclic convex edge and the bottom wall of cavity lean.
Cavity is set in the outer end of flange, cyclic convex edge and ring-type shoulder block are respectively positioned in cavity, mainly for making flange
Outer end can be closer to the end of valve body, to ensure that flange will not have influence on normal connection because of the setting that electric insulation covers.
In above-mentioned flanged ball valve, described abutment sleeve is made of metal material, outside described ring-type shoulder block
There is gap between flange inner wall at wall and cavity.
Abutment sleeve is made of metal material, preferably using being made with valve body identical brass material, is mainly
Convenience is formed with valve body and is threadedly coupled, simultaneously because the ring-type shoulder block of abutment sleeve is located in the cavity of flange, in order to avoid
Flange by be in contact with ring-type shoulder block carried out and directly to abutment sleeve it is conductive, therefore by the outer wall of ring-type shoulder block be designed as with
There is gap, to prevent the outer wall of ring-type shoulder block from directly being contacted with the flange inner wall at cavity between flange inner wall at cavity.
In above-mentioned flanged ball valve, one end sidepiece that described valve body is arranged with flange has annular barrier portion, positioning
The inner of sleeve leans with annular barrier portion.
Annular barrier portion can be to abutment sleeve threaded connection length limit, avoid the outer end of abutment sleeve excessively
End away from valve body, to ensure to realize flange with not interfering with method while valve body electrical isolation increasing electric insulation set
Blue normal connection.
In above-mentioned flanged ball valve, described electric insulation set is made of nylon material.
In above-mentioned flanged ball valve, as another technical solution, described electric insulation set uses elastomeric material system
Into.
In above-mentioned flanged ball valve, as another technical solution, described electric insulation set uses plastic material system
Into.
Nylon, rubber or plastics are all non electrically conductive materials, then whether using nylon material, using elastomeric material
Or electric insulation set made using plastic material, this flanged ball valve can be made to pass through electric insulation set realize flange and
Electrical isolation between valve body.
Compared with prior art, this flanged ball valve between valve body and flange by setting electric insulation set, when water pump leaks
Electricity and will conduction on flange when, because flange is in contact with electric insulation set, and electric insulation set is nonconducting, then
The electrical isolation between valve body and flange is just realized by electric insulation set, to prevent flange from carrying out conductive, raising to valve body
The safety in utilization of flanged ball valve.
Brief description of the drawings
Fig. 1 is the schematic diagram of this flanged ball valve.
Fig. 2 is the schematic diagram of another angle of this flanged ball valve.
Fig. 3 is the sectional view of this flanged ball valve.
Fig. 4 is the partial enlarged drawing in Fig. 3.
Fig. 5 is the partial exploded view of this flanged ball valve.
Fig. 6 is the schematic diagram that electric insulation covers in this flanged ball valve.
In figure, 1, valve body；1a, annular barrier portion；2nd, flange；2a, cavity；2b, connecting hole；2c, through hole；3rd, electric insulation
Set；3a, cyclic convex edge；4th, abutment sleeve；4a, ring-type shoulder block；5th, core；6th, valve rod；7th, handle.
Embodiment
It is specific embodiment of the utility model and with reference to accompanying drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these embodiments.
As shown in Figure 1, Figure 2, shown in Fig. 3 and Fig. 5, flanged ball valve, including valve body 1, valve body 1 is interior to be provided with core 5 and valve rod 6,
The lower end of valve rod 6 is connected with core 5, and the upper end of valve rod 6 is stretched out outside valve body 1 and is connected with handle 7.One end overcoat of valve body 1
Provided with flange 2, flange 2 assumes diamond in shape, and four apexes of flange 2 are in arc-shaped, and have through hole at the center of flange 2
2c, connecting hole 2b has been provided close to apex on flange 2, flange 2 is enclosed on the outer so that method of the one end of valve body 1 by through hole 2c
Orchid 2 can rotate relative to one end of valve body 1, to improve flexibility when flange 2 is installed.
As shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 6, one end external screw thread that valve body 1 is arranged flange 2 is connected with abutment sleeve 4, positioning
Electric insulation set 3 is socketed with outside sleeve 4, flange 2 is socketed in outside electric insulation set 3 by through hole, and the side portion of valve body 1 has
Annular barrier portion 1a, the inner of abutment sleeve 4 lean with annular barrier portion 1a.Because flange 2 is enclosed on outside electric insulation set 3,
The position that electric insulation set 3 is threaded on valve body 1 determines the position of the outer end of flange 2, and if the outer end of flange 2 is more leaned on
The normal connection with water pump is inside just influenced whether, therefore by setting annular barrier portion 1a on valve body 1, utilizes annular barrier portion
Threaded connection length of the 1a to abutment sleeve 4 limits, so as to avoid end of the outer end of abutment sleeve 4 too far away from valve body 1
Portion, to ensure that flange 2 successfully can be attached with water pump.
As shown in Figure 4, Figure 5 and Figure 6, the outer end sidepiece of abutment sleeve 4 has radially projecting ring-type shoulder block 4a, electrically
Insulation sleeve 3 in a ring, and has radially projecting cyclic convex edge 3a in the sidepiece of electric insulation set 3, and ring-type shoulder block 4a's is interior
End face is pressed on cyclic convex edge 3a outer face.The outer end of flange 2 has cavity 2a, and the inner face of through hole 2c from flange 2 runs through
Cavity 2a bottom wall, it is in cavity 2a and electric that electric insulation set 3 passes through through hole 2c, ring-type shoulder block 4a and cyclic convex edge 3a to be respectively positioned on
The bottom wall of the cyclic convex edge 3a of insulation sleeve 3 inner face and cavity 2a leans.Pass through cyclic convex edge 3a's and ring-type shoulder block 4a
Cooperation is limited electric insulation set 3, and being engaged by cyclic convex edge 3a with cavity 2a makes flange 2 to realize rotation
Can not outwards it deviate from along the end of valve body 1 again simultaneously.
Electric insulation set 3, which is adopted, to be made from an insulative material, and in the present embodiment, electric insulation set 3 specifically uses nylon material
It is made, this flanged ball valve between valve body 1 and flange 2 by setting electric insulation to cover 3, when water pump electric leakage will be conducted to flange
When on 2, it is in contact because flange 2 covers 3 with electric insulation, and electric insulation set 3 is nonconducting, then also just by electrically exhausted
Edge set 3 realizes the electrical isolation between valve body 1 and flange 2, to prevent flange 2 from carrying out conduction to valve body 1, improves the ball of flange 2
The safety in utilization of valve.In addition to making electric insulation set 3 using nylon material, elastomeric material or plastic material can also be used
To make electric insulation set 3, rubber and plastics are all nonconducting insulating materials, and this can also equally realize flange 2 and valve body 1
Between electrical isolation.
Further, since abutment sleeve 4 is threadedly coupled with valve body 1, then abutment sleeve 4 is used metal material by selection
Material, is particularly manufactured with the identical brass material of valve body 1.And because the ring-type shoulder block 4a of abutment sleeve 4 after assembling is to be located at
In the cavity 2a of flange 2, in order to avoid flange 2 by be in contact with ring-type shoulder block 4a and directly by abutment sleeve 4 to valve
Body 1 carries out conduction, therefore as shown in figure 4, is during fabrication designed as ring-type shoulder block 4a outer wall and the flange 2 at cavity 2a
There is gap, to prevent from directly contacting between flange 2 and abutment sleeve 4 between inwall.
Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute
Category those skilled in the art can make various modifications or supplement to described specific embodiment or using similar
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Claims (8)
1. flanged ball valve, including valve body (1), described valve body (1) one end is provided with flange (2), it is characterised in that described valve body
(1) it is socketed with outside one end provided with flange (2) using electric insulation set (3) made of insulating materials, described flange (2) socket
In electric insulation set (3) outside, the sidepiece of described electric insulation set (3) has radially projecting cyclic convex edge (3a), described
Flange (2) outer face and the inner face of cyclic convex edge (3a) lean.
2. flanged ball valve according to claim 1, it is characterised in that described valve body (1) is provided with outside one end of flange (2)
Abutment sleeve (4) is threaded with, the sidepiece of described abutment sleeve (4) has radially projecting ring-type shoulder block (4a), institute
The outer face of the cyclic convex edge (3a) for the electric insulation set (3) stated and the inner face of ring-type shoulder block (4a) lean.
3. flanged ball valve according to claim 2, it is characterised in that the outer end of described flange (2) has cavity (2a),
Described cyclic convex edge (3a) and ring-type shoulder block (4a) is respectively positioned in cavity (2a), and the inner face and cavity of cyclic convex edge (3a)
The bottom wall of (2a) leans.
4. flanged ball valve according to claim 3, it is characterised in that described abutment sleeve (4) uses metal material system
Into there is gap between the outer wall of described ring-type shoulder block (4a) and flange (2) inwall at cavity (2a) place.
5. flanged ball valve according to claim 2, it is characterised in that described valve body (1) is arranged with one end of flange (2)
Sidepiece has annular barrier portion (1a), and the inner of abutment sleeve (4) leans with annular barrier portion (1a).
6. according to the flanged ball valve described in claim 1 or 2 or 3 or 4 or 5, it is characterised in that described electric insulation set (3)
It is made of nylon material.
7. according to the flanged ball valve described in claim 1 or 2 or 3 or 4 or 5, it is characterised in that described electric insulation set (3)
It is made of elastomeric material.
8. according to the flanged ball valve described in claim 1 or 2 or 3 or 4 or 5, it is characterised in that described electric insulation set (3)
It is made of plastic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720443572.6U CN206694577U (en) | 2017-04-25 | 2017-04-25 | Flanged ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720443572.6U CN206694577U (en) | 2017-04-25 | 2017-04-25 | Flanged ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206694577U true CN206694577U (en) | 2017-12-01 |
Family
ID=60446197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720443572.6U Active CN206694577U (en) | 2017-04-25 | 2017-04-25 | Flanged ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206694577U (en) |
-
2017
- 2017-04-25 CN CN201720443572.6U patent/CN206694577U/en active Active
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