CN104180037A - Cutoff valve - Google Patents
Cutoff valve Download PDFInfo
- Publication number
- CN104180037A CN104180037A CN201310188456.0A CN201310188456A CN104180037A CN 104180037 A CN104180037 A CN 104180037A CN 201310188456 A CN201310188456 A CN 201310188456A CN 104180037 A CN104180037 A CN 104180037A
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- Prior art keywords
- flange
- valve body
- valve
- stop valve
- center hole
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
Abstract
The invention relates to a cutoff valve. A valve body (10) is provided with a flange (20), the flange (20) is detachably connected with the valve body (10), the top of the main body of the valve body (10) is provided with a nut (13), and the two sides of the main body are respectively provided with an air nozzle (14) and a pipe joint nozzle (16). The cutoff valve has the advantages that during installation, the flange (20) is buckled on the valve body (10) and is tightened and connected together with the valve body (10), the valve body (10) is made of brass or aluminum alloy, the flange (20) is made of iron or stainless steel, the surface of the flange (20) is subjected to iron spraying, and the torsion-resistant surface of the flange (20) is thickened. The cutoff valve has the advantages that the cost is low, the structure is simple, and the like.
Description
Technical field
The present invention relates to refrigeration and air-conditioning technical field, particularly a kind of stop valve.
Background technique
At present the blank of domestic air conditioning seat of stop valve used enters to forge with integral form and processes, and has the flange of an installation use on valve seat, and flange is shaped as galleyproof type, is arranged on bilateral symmetry position, valve seat lower end.
Basic and the valve seat of the flange of stop valve of the prior art is connected as a single entity, and material is brass, and cost is higher.In addition, in forging forming process, flange easily causes cracking, the hidden danger of quality such as damaged, or adopts the modes such as split riveted joint or welding, because stop valve flange bears moment of torsion, therefore general Welding strength deficiency, anti-shearing moment is too little, easily occurs flange and the valve seat problem that comes off.
For example notice of authorization number is the Chinese utility model patent of CN 200961707Y, it discloses a kind of stop valve with flange, comprise the main valve seat with longitudinal center's axis, the bottom of main valve seat has the flange part of radially only extending to a side, and stop valve is carried out to spacing position structure, position structure is the boss part being integrally formed with valve seat, in this boss part, there is the longitudinally joining portion to downward-extension, this joining portion can, for being arranged on the locating stud in corresponding positioning pin hole in boss part, can also be and boss part shape all-in-one-piece positioning convex point.Flange and the valve seat of this stop valve are connected as a single entity, and are provided with position structure, and therefore this stop valve flange in forging forming process easily causes cracking, the hidden danger of quality such as damaged, and structure is comparatively complicated.
For example notice of authorization number is the Chinese utility model patent of CN201028088Y again, and it discloses a kind of stop valve, comprises valve seat and flange, and valve seat and flange are Split type structure, has flange mesopore on flange, and valve seat inserts in flange mesopore also fastening.Valve seat and flange are improved to Split type structure by the utility model, first processing respectively, then adopt the modes such as extruding compresses, is welded and fixed or is threaded to be fastenedly connected, and between valve seat and flange, adopt polygon structure to coordinate, be conducive to the location of flange.The mode that the utility model adopts split extruding to compress, be welded and fixed or be threaded is fastenedly connected, because stop valve flange bears moment of torsion, compress in extruding, the strength deficiency that is welded and fixed or is threaded, anti-shearing moment is too little, easily occurs flange and the valve seat problem that comes off.
Summary of the invention
The technological deficiency existing in order to solve prior art, the object of the present invention is to provide a kind of stop valve, and this stop valve has been simplified valve body structure, has reduced manufacture difficulty, has improved manufacturing efficiency, has reduced hidden danger of quality, and surface treatment is also more convenient for.The valve body of this stop valve is difficult for causing cracking in blank forging process.Valve body and flange adopt different materials, have reduced cost.
To achieve these goals, the invention provides a kind of stop valve, it comprises valve body, flange, vertical valve body main part and horizontal connecting-tube nozzle, described valve body and flange are Split type structure, on flange, have center hole, valve body inserts in center hole, and described flange is approximate several fonts, and this flange is set with downwards from valve body top.。Be seizing type according to the mounting type of the flange on stop valve of the present invention and valve body, removably link together; Flange is several character form structures, directly adopts flange suit, without connections such as further welding or riveted joint, snap rings, simplifies the structure, and has reduced cost; Flange has six direction while being arranged on valve body and positions, and flange and valve body are fastened together; Antitorque face to flange is thickeied, and has reduced material, has reduced cost; Valve body is selected brass or aluminum alloy material, has not only reduced material, has reduced cost, has also simplified the structure of valve body, and the difficulty of processing of valve body is reduced, and has reduced the appearance of other quality problems.
Preferably, the top of described valve body is provided with stepped shape, this stepped shape restriction flange to upper/lower positions.
In above-mentioned arbitrary scheme, preferably, described flange limits downward position by horizontal connecting-tube nozzle.
In above-mentioned arbitrary scheme, preferably, the center hole of described flange is closed.
In above-mentioned arbitrary scheme, preferably, the center hole of described flange is semi-enclosed.
Preferably, described flange is selected iron or stainless steel material.
In above-mentioned arbitrary scheme, preferably, the processing of iron plastic-blasting is carried out on the surface of described flange.
Flange is selected iron or stainless steel material, and it has saved production cost; Stop valve is arranged on the outside of air-conditioning outer machine, in the time that flange is selected iron material, in order to prevent flange corrosion under external environment for a long time, prevents that it from getting rusty therefore flange is carried out to plastic-blasting processing.
In above-mentioned arbitrary scheme, preferably, the top of described flange is horizontal or circular-arc.In the time that the center hole of flange is enclosed circular hole, the top of flange is resisted against on the step on top of valve body, thus be horizontal by the upper design of flange, and then the inwall on flange top and the step of valve body are contacted completely; When the center hole of flange is semi-open type, while being center hole opening, the top of flange is resisted against on the step on top of valve body, in order to ensure location up and down and the secure fit of flange and valve body, therefore have groove at connecting-tube nozzle near the position of valve body main body, the inwall of flange is just fitted completely with this groove like this, thereby flange and valve body are located and secure fit up and down.
In above-mentioned arbitrary scheme, preferably, the antitorque face of described flange is thickeied.In the situation that not affecting flange torque resistant, the antitorque face of flange is thickeied, in reducing material, make to install to be like this more prone to.
In above-mentioned arbitrary scheme, preferably, described flange has elasticity, and the bottom surface of the connecting plate of flange is a little more than the bottom surface of valve body.Flange band is flexible, screws the nut at valve body top when installation, and because flange bottom is a little more than the bottom surface of valve body, therefore flange, in tensioned state, has prevented flange becoming flexible on valve body effectively.
Brief description of the drawings
Fig. 1 is according to the structural representation of a preferred embodiment of stop valve of the present invention;
Fig. 2 is according to the structural representation of a preferred embodiment of flange in Fig. 1 of stop valve of the present invention
Fig. 3 is according to the plan view of a preferred embodiment of the flange in Fig. 1 of stop valve of the present invention;
Fig. 4 is according to the structural representation of the valve body in Fig. 1 of stop valve of the present invention;
Fig. 5 is according to the structural representation of the second preferred embodiment of stop valve of the present invention;
Fig. 6 is according to the structural representation of flange in Fig. 5 of the second preferred embodiment of stop valve of the present invention;
Fig. 7 is according to the structural representation of valve body in Fig. 5 of the second preferred embodiment of stop valve of the present invention;
Fig. 8 is according to the structural representation of the 3rd preferred embodiment of stop valve of the present invention;
Fig. 9 is according to the structural representation of flange in Fig. 8 of the 3rd preferred embodiment of stop valve of the present invention;
Figure 10 is according to the structural representation of valve body in Fig. 8 of the 3rd preferred embodiment of stop valve of the present invention;
Figure 11 is according to the structural representation of the 4th preferred embodiment of stop valve of the present invention;
Figure 12 is according to the structural representation of flange in Figure 11 of the 4th preferred embodiment of stop valve of the present invention;
Figure 13 is according to the structural representation of valve body in Figure 11 of the 4th preferred embodiment of stop valve of the present invention;
Figure 14 is according to the structural representation of the 5th preferred embodiment of stop valve of the present invention;
Figure 15 is according to the structural representation of flange in Figure 14 of the 5th preferred embodiment of stop valve of the present invention;
Figure 16 is according to the structural representation of valve body in Figure 14 of the 5th preferred embodiment of stop valve of the present invention.
Attached number in the figure:
Valve body 10, projection 12, nut 13, valve cock 14, groove 15, connecting-tube nozzle 16, stepped shape 17, flange 20, center hole 21, connecting plate 22.
Embodiment
Below in conjunction with Figure of description, the embodiment of stop valve of the present invention is further described.The present invention selects five kinds of mode of executions to describe this stop valve.
Mode of execution one:
First consult shown in Fig. 2 and Fig. 4, comprise valve body and flange 20 according to this embodiment of stop valve of the present invention, the valve body 10 of described valve body and flange 20 are Split type structure, and the top of valve body 10 is provided with nut 13.On flange 20, have center hole 21, valve body 10 inserts in center hole 21.When installation, flange 20 is buckled on valve body 10, the inwall on flange 20 tops contacts with the stepped shape 17 on valve body 10 tops, and flange 20 will be fastened on (as shown in Figure 1) on valve body 10.
On flange 20, have center hole 21 as shown in Figures 2 and 3, its lower end is with connecting plate 22, and front projection is several fonts, and its top is horizontal; On connecting plate 22, have attachment hole, valve body 10 is connected on the mounting structure of bottom.Described center hole 21 is closed.Flange 20 is selected iron or stainless steel material, and the processing of iron plastic-blasting is carried out on its surface.Flange 20 is selected iron or stainless steel material, and it has saved production cost; Stop valve is arranged on the outside of air-conditioning outer machine, in the time that flange 20 is selected iron material, in order to prevent flange 20 corrosion under external environment for a long time, prevents that it from getting rusty therefore flange 20 is carried out to plastic-blasting processing.
Flange 20 has elasticity, is conducive to improve the fastening effect after stop valve is installed, and reduces and produces and cost of material, improves the quality of products.Valve body 10 is inserted after the center hole 21 of flange 20, screw nut 13, because the bottom surface of flange 20 is a little more than the bottom surface of valve body 10, therefore flange 20 will be in tensioned state, and then effectively prevents from occurring loosening at valve body 10.
Next consult shown in Fig. 4, valve body 10 is selected brass or aluminum alloy material, and the top of the main body of this valve body 10 is with step; Main body top is provided with nut 13(as shown in Figure 5); The both sides of main body are respectively equipped with valve cock 14 and connecting-tube nozzle 16(as shown in Figure 8); The lower end of main body is provided with projection 12, and this projection 12 is for having the projection of smooth surfaces.Valve body 10 aluminium alloy materials, lighter weight compared with brass of the prior art, cost is lower.When installation, the lower end inwall of flange 20 contacts with projection 12, because flange 20 has certain elasticity, therefore after flange 20 is arranged on valve body 10, the projection 12 of the both sides inwall of flange 20 and valve body 10 lower ends fits tightly.The lower end of valve body 10 is provided with projection 12 and carries out antitorquely, and antitorque position is consistent with common flange.
Projection 12 in this embodiment is connected on the outer wall of valve body 10 by welding or punching press or the mode such as cementing, and the outwardly plane of this projection 12, by grinding process, has reduced its wearing and tearing to flange 20 madial walls like this.
Mode of execution two:
As shown in Figure 5, comprise valve body and flange 20 according to this embodiment of stop valve of the present invention, the valve body 10 of described valve body and flange 20 are Split type structure, have center hole 21 on flange 20, and valve body 10 inserts in center hole 21.When installation, flange 20 is buckled on valve body 10, the inwall on flange 20 tops contacts with the stepped shape 17 on valve body 10 tops, screws nut 13, and flange 20 will be fastened on valve body 10.
As shown in Figure 6, have center hole 21 on flange 20, its lower end is with connecting plate 22, and front projection is several fonts, and its top is horizontal, on connecting plate 22, has attachment hole, valve body 10 is connected on the mounting structure of bottom.Described center hole 21 is closed.Flange 20 is selected iron or stainless steel material, and the processing of iron plastic-blasting is carried out on its surface.Flange 20 is selected iron or stainless steel material, and it has saved production cost; Stop valve is arranged on the outside of air-conditioning outer machine, in the time that flange 20 is selected iron material, in order to prevent flange 20 corrosion under external environment for a long time, prevents that it from getting rusty therefore flange 20 is carried out to plastic-blasting processing.
Flange 20 has elasticity, is conducive to improve the fastening effect after stop valve is installed, and reduces and produces and cost of material, improves the quality of products.Valve body 10 is inserted after the center hole 21 of flange 20, screw nut 13, because the bottom surface of flange 20 is a little more than the bottom surface of valve body 10, therefore flange 20 will be in tensioned state, and then effectively prevents from occurring loosening at valve body 10.
Next consult shown in Fig. 7, valve body 10 is selected brass or aluminum alloy material, and the top of the main body of this valve body 10 is with stepped shape 17; Main body top is provided with nut 13; The both sides of main body are respectively equipped with valve cock 14 and connecting-tube nozzle 16(as shown in Figure 8); The middle part of main body is arranged with projection 12, and this projection 12 is for having the projection of smooth surfaces.Valve body 10 aluminium alloy materials, lighter weight compared with brass of the prior art, cost is lower.When installation, the projection 12 on valve body 10 is resisted against on the inwall of flange 20.
Compare mode of execution one, be provided with projection 12 in this mode of execution at the middle part of valve body 10, this projection 12 fits tightly with the inwall of flange 20.Because flange 20 has certain elasticity, therefore after flange 20 is arranged on valve body 10, the projection 12 at valve body 10 middle parts fits tightly with the inwall of flange 20, the location of flange 20 on valve body 10 is more accurate, torque resistant is larger, and flange 20 can not become flexible on valve body 10.
Projection 12 in this embodiment is connected on the outer wall of valve body 10 by welding or punching press or the mode such as cementing; The outwardly plane of this projection 12, by grinding process, has reduced the wearing and tearing of its inwall to flange 20 like this; This projection 12, has reduced like this madial wall of flange 20 has been caused to wearing and tearing by fillet processing with valve body 10 intersections.
Mode of execution three:
As shown in Figure 8, comprise valve body and flange 20 according to this embodiment of stop valve of the present invention, the valve body 10 of described valve body and flange 20 are Split type structure, have center hole 21 on flange 20, and valve body 10 inserts in center hole 21.When installation, flange 20 is buckled on valve body 10, the inwall on flange 20 tops contacts with valve cock 14 or connecting-tube nozzle 16 on valve body 10, screws nut 13, and flange 20 will be fastened on valve body 10.
As shown in Figure 9, have center hole 21 on flange 20, its lower end is with connecting plate 22, and front projection is several fonts, and its top is horizontal, on connecting plate 22, has attachment hole, valve body 10 is connected on the mounting structure of bottom.Described center hole 21 is semi-enclosed, i.e. center hole 21 openings.Flange 20 is selected iron or stainless steel material, and the processing of iron plastic-blasting is carried out on its surface.Flange 20 is selected iron or stainless steel material, and it has saved production cost; Stop valve is arranged on the outside of air-conditioning outer machine, in the time that flange 20 is selected iron material, in order to prevent flange 20 corrosion under external environment for a long time, prevents that it from getting rusty therefore flange 20 is carried out to plastic-blasting processing.Center hole 21 is designed to semi-enclosed, has saved material like this under the front topic that does not affect performance, has saved cost.
Flange 20 has elasticity, the both sides inwall of flange 20 and the valve body 10 fastening laminatings in lower end; Flange 20 has elasticity, is conducive to improve the fastening effect after stop valve is installed, and reduces and produces and cost of material, improves the quality of products.Valve body 10 is inserted after the center hole 21 of flange 20, screw nut 13, because the bottom surface of flange 20 is a little more than the bottom surface of valve body 10, therefore flange 20 will be in tensioned state, and then effectively prevents from occurring loosening at valve body 10.
Next consult shown in Figure 10, valve body 10 is selected brass or aluminum alloy material, and the main body top of this valve body 10 is provided with nut 13; The both sides of main body are respectively equipped with valve cock 14 and connecting-tube nozzle 16(as shown in Figure 8); Valve cock 14, connecting-tube nozzle 16 have groove 15 with valve body 10 main bodys near position, and this groove 15 contacts with the inwall on flange 20 tops.Valve body 10 aluminium alloy materials, lighter weight compared with brass of the prior art, cost is lower.Because the surface of valve cock 14 and connecting-tube nozzle 16 is level and smooth curved surface, and the inwall of flange 20 is level and smooth plane, therefore while directly flange 20 being arranged on valve cock 14 or connecting-tube nozzle 16, this flange 20 is line contact with contacting of valve cock 14 or connecting-tube nozzle 16, flange 20 bad location on valve body 10 like this, and can become flexible.The applicant has groove 15 with valve body 10 near position by valve cock 14 and connecting-tube nozzle 16, the bottom of groove 15 is horizontal plane, so in the time that flange 20 is arranged on valve body 10, the inwall of flange 20 contacts with groove 15, because the inwall of flange 20 and the bottom of groove 15 are plane, can on valve body 10, play location therefore the inwall on flange 20 tops is snapped in to groove 15 to flange 20 after interior, without increasing unnecessary limit position part, simplify the structure.
Compare mode of execution two, in this mode of execution, the center hole 21 of flange 20 is improved to semi-enclosedly, under the front topic that does not affect performance, has saved material, has saved cost; On the outer wall of valve cock 14 and connecting-tube nozzle 16, be provided with groove 15, the inwall on the top of flange 20 contacts with this groove 15, makes the location of flange 20 on valve body 10 more accurate, easier for installation.
Mode of execution four:
As shown in figure 11, comprise valve body and flange 20 according to this embodiment of stop valve of the present invention, the valve body 10 of described valve body and flange 20 are Split type structure, have center hole 21 on flange 20, and valve body 10 inserts in center hole 21.When installation, flange 20 is buckled on valve body 10, the inwall on flange 20 tops contacts with valve cock 14 or connecting-tube nozzle 16 on valve body 10, screws nut 13, and flange 20 will be fastened on valve body 10.
As shown in Figure 12 and Figure 13, have center hole 21 on flange 20, its lower end is with connecting plate 22, and front projection is several fonts, and its top is circular-arc; On connecting plate 22, have attachment hole, valve body 10 is connected on the mounting structure of bottom.Described center hole 21 is semi-enclosed, i.e. center hole 21 openings.Flange 20 is selected iron or stainless steel material, and the processing of iron plastic-blasting is carried out on its surface.Flange 20 is selected iron or stainless steel material, and it has saved production cost; Stop valve is arranged on the outside of air-conditioning outer machine, in the time that flange 20 is selected iron material, in order to prevent flange 20 corrosion under external environment for a long time, prevents that it from getting rusty therefore flange 20 is carried out to plastic-blasting processing.
The upper design of flange 20 becomes circular-arc, and when flange 20 is arranged on valve body 10 like this, the inwall on the top of flange 20 can be fitted completely with the outer wall of valve cock 14 or connecting-tube nozzle 16, is more conducive to the location of flange 20 on valve body 10.In addition, fit due to the circular arc inwall on flange 20 tops and valve cock 14 or connecting-tube nozzle 16, flange 20 will be fastened together with valve body 10.Center hole 21 is designed to semi-enclosed, and center hole 21 Open Side Down cuts off a part, and carry out transition by smooth surface but also through grinding process, under the front topic that does not affect performance, saved material like this, saved cost.
Flange 20 has elasticity, is conducive to improve the fastening effect after stop valve is installed, and reduces and produces and cost of material, improves the quality of products.Valve body 10 is inserted after the center hole 21 of flange 20, because the bottom surface of flange 20 is a little more than the bottom surface of valve body 10, therefore flange 20 will be in tensioned state, and then effectively prevents from occurring loosening at valve body 10.
Compare mode of execution three, the top of the flange 20 of this mode of execution is improved to circular-arc, and the inwall on flange 20 tops and valve cock 14 or connecting-tube nozzle 16 are fitted completely, and the installation of flange 20 on valve body 10 is more stable; Open Side Down cuts off a part for the center hole 21 of flange 20, and carry out transition by smooth surface but also through grinding process, on the basis that does not affect its performance, reduced material, saved cost, makes the lighter weight of stop valve entirety.
Mode of execution five:
As shown in figure 14, comprise valve body and flange 20 according to this embodiment of stop valve of the present invention, the valve body 10 of described valve body and flange 20 are Split type structure, have center hole 21 on flange 20, and valve body 10 inserts in center hole 21.When installation, flange 20 is buckled on valve body 10, the inwall on flange 20 tops contacts with valve cock 14 or connecting-tube nozzle 16 on valve body 10, and flange 20 will be fastened on valve body 10.
As shown in Figure 15 and Figure 16, have center hole 21 on flange 20, its lower end is with connecting plate 22, and front projection is several fonts, and its top is circular-arc; On connecting plate 22, have attachment hole, valve body 10 is connected on the mounting structure of bottom.Described center hole 21 is semi-open type, i.e. center hole 21 openings.Flange 20 is selected iron or stainless steel material, and the processing of iron plastic-blasting is carried out on its surface.Flange 20 is selected iron or stainless steel material, and it has saved production cost; Stop valve is arranged on the outside of air-conditioning outer machine, in the time that flange 20 is selected iron material, in order to prevent flange 20 corrosion under external environment for a long time, prevents that it from getting rusty therefore flange 20 is carried out to plastic-blasting processing.
The upper design of flange 20 becomes circular-arc, and when flange 20 is arranged on valve body 10 like this, the inwall on the top of flange 20 can be fitted completely with the outer wall of valve cock 14 or connecting-tube nozzle 16, is more conducive to the location of flange 20 on valve body 10.Fit due to the circular arc inwall on flange 20 tops and valve cock 14 or connecting-tube nozzle 16, flange 20 will be fastened together with valve body 10.Center hole 21 is designed to semi-open type, and center hole 21 Open Side Down cuts off a part, under the front topic that does not affect performance, saved material like this, saved cost.
In addition, not affecting under the front topic of antitorque and performance, the antitorque face of flange 20 is thickeied, because flange 20 is mainly to have resistance to torsion, therefore non-bearing face, without too thick, carries out having saved material after attenuate, saved cost.
Flange 20 has elasticity, is conducive to improve the fastening effect after stop valve is installed, and reduces and produces and cost of material, improves the quality of products.Valve body 10 is inserted after the center hole 21 of flange 20, screw nut 13, because the bottom surface of flange 20 is a little more than the bottom surface of valve body 10, therefore flange 20 will be in tensioned state, and then effectively prevents from occurring loosening at valve body 10.
Compare mode of execution four, the flange 20 non-bearing faces in this mode of execution have carried out attenuate, and flange 20 is not being affected on the basis of performance, and mass ratio is originally lighter, has reduced material, has saved cost.
In sum, the flange 20 on this stop valve is seizing type with the mounting type of valve body 10, removably links together; Flange 20 is several character form structures, directly adopts flange 20 to be set with, and without connections such as further welding or riveted joint, snap rings, simplifies the structure, and has reduced cost; Flange 20 has 6 directions and positions while being arranged on valve body 10, flange 20 and valve body 10 are fastened together; Antitorque face to flange 20 is thickeied, because flange 20 is mainly to have resistance to torsion, therefore non-bearing face is without too thick, has reduced material, has reduced cost; Valve body 10 is selected brass or aluminum alloy material, has not only reduced material, has reduced cost, has also simplified the structure of valve body 10, and the difficulty of processing of valve body 10 is reduced, and has reduced the appearance of other quality problems.
It will be apparent to those skilled in the art that stop valve of the present invention comprises the combination in any of each several part in this specification.As space is limited and in order to be to make specification simple and clear, these combinations to be introduced one by one in detail at this, but seen after this specification, the scope of the present invention that the combination in any of the each several part being made up of this specification forms is self-evident.
Claims (10)
1. a stop valve, it comprises valve body (10), flange (20), vertical valve body main part and horizontal connecting-tube nozzle (16), described valve body (10) and flange (20) are Split type structure, on flange (20), have center hole (21), valve body (10) inserts in center hole (21), be characterised in that: described flange (20) is approximate several fonts, and this flange (20) is set with downwards from valve body (10) top.
2. stop valve as claimed in claim 1, is characterized in that: described valve body (10) upper end is provided with stepped shape (17), this stepped shape (17) restriction flange (20) to upper/lower positions.
3. stop valve as claimed in claim 1, is characterized in that: described flange (20) limits downward position by horizontal connecting-tube nozzle (16).
4. stop valve as claimed in claim 1, is characterized in that: the center hole (21) of described flange (20) is for closed.
5. stop valve as claimed in claim 1, is characterized in that: the center hole (21) of described flange (20) is for semi-enclosed.
6. the stop valve as described in claim 1 or 3, is characterized in that: described flange (20) is selected iron or stainless steel material.
7. stop valve as claimed in claim 1, is characterized in that: the processing of iron plastic-blasting is carried out on the surface of described flange (20).
8. stop valve as claimed in claim 1, is characterized in that: the top of described flange (20) is horizontal or circular-arc.
9. stop valve as claimed in claim 1, is characterized in that: the antitorque face of described flange (20) is thickeied.
10. stop valve as claimed in claim 1, is characterized in that: described flange (20) has elasticity, and the bottom surface of the connecting plate (22) of flange (20) is a little more than the bottom surface of valve body (10).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310188456.0A CN104180037A (en) | 2013-05-21 | 2013-05-21 | Cutoff valve |
| CN201810200585.XA CN109296799A (en) | 2013-05-21 | 2013-05-21 | A kind of shut-off valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310188456.0A CN104180037A (en) | 2013-05-21 | 2013-05-21 | Cutoff valve |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810200585.XA Division CN109296799A (en) | 2013-05-21 | 2013-05-21 | A kind of shut-off valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104180037A true CN104180037A (en) | 2014-12-03 |
Family
ID=51961284
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310188456.0A Pending CN104180037A (en) | 2013-05-21 | 2013-05-21 | Cutoff valve |
| CN201810200585.XA Pending CN109296799A (en) | 2013-05-21 | 2013-05-21 | A kind of shut-off valve |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810200585.XA Pending CN109296799A (en) | 2013-05-21 | 2013-05-21 | A kind of shut-off valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN104180037A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3809063A4 (en) * | 2018-06-18 | 2021-08-04 | Daikin Industries, Ltd. | Closing valve and method for producing same |
| EP3809062A4 (en) * | 2018-06-18 | 2021-08-04 | Daikin Industries, Ltd. | Stop valve |
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| CN2547963Y (en) * | 2002-04-30 | 2003-04-30 | 雷江杭 | High-low voltage stop valve for air conditioner |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3809063A4 (en) * | 2018-06-18 | 2021-08-04 | Daikin Industries, Ltd. | Closing valve and method for producing same |
| EP3809062A4 (en) * | 2018-06-18 | 2021-08-04 | Daikin Industries, Ltd. | Stop valve |
| CN113865157A (en) * | 2018-06-18 | 2021-12-31 | 大金工业株式会社 | Stop valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109296799A (en) | 2019-02-01 |
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Application publication date: 20141203 |