CN104864127A - Valve body and machining method thereof - Google Patents
Valve body and machining method thereof Download PDFInfo
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- CN104864127A CN104864127A CN201510290212.2A CN201510290212A CN104864127A CN 104864127 A CN104864127 A CN 104864127A CN 201510290212 A CN201510290212 A CN 201510290212A CN 104864127 A CN104864127 A CN 104864127A
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- outlet pipe
- fluid inlet
- spool
- housing
- valve body
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- 238000000034 method Methods 0.000 title claims description 8
- 238000003754 machining Methods 0.000 title 1
- 239000012530 fluid Substances 0.000 claims abstract description 204
- 238000003672 processing method Methods 0.000 claims abstract description 10
- 230000000694 effects Effects 0.000 claims description 23
- 230000008569 process Effects 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 15
- 230000005484 gravity Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005465 channeling Effects 0.000 description 1
- 239000011258 core-shell material Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- 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
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
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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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
-
- 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
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0209—Check valves or pivoted valves
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Valve Housings (AREA)
Abstract
The invention provides a valve body and a processing method thereof, wherein the valve body comprises a shell; a first fluid inlet/outlet pipe; a second fluid inlet/outlet pipe; the first fluid inlet and outlet pipe and the second fluid inlet and outlet pipe are respectively arranged at two ends of the shell; the two ends of the valve stem are respectively fixed on the first fluid inlet and outlet pipe and the second fluid inlet and outlet pipe, and a movable space is formed by the valve stem, the first fluid inlet and outlet pipe and the second fluid inlet and outlet pipe in an enclosing manner; and the valve core is arranged in the movable space, can move in the movable space and can seal the first fluid inlet and outlet pipe and/or the second fluid inlet and outlet pipe. The valve body can conduct fluid in one direction and can be mounted in two directions, so that the problem of error in the mounting direction of the valve body is solved, the mounting error rate of the valve body is reduced, and the mounting efficiency of the valve body is improved.
Description
Technical field
The present invention relates to valve field, particularly relate to the processing method of a kind of valve body and this valve body.
Background technique
Valve body is that fluid can only flow along water intake, the device that water outlet medium but cannot reflux.Valve body is generally used in hydraulic system and prevents oil stream reverse flow, or for preventing pressurized air reverse flow in pneumatic system.When valve body is installed, should be specifically noted that media flow direction, medium proper flow direction should be made consistent with the direction of arrow that valve body indicates, otherwise the proper flow of medium will be blocked.Current valve body is one-way conduction, has the requirement of installation direction when therefore valve body is installed.If installation direction is not right, valve body conducting direction can be caused contrary, have destructiveness to system dynamic unit (compressor as in air-conditioning system).So, needing the product line installing valve body in enormous quantities, artificial uncertainty of installing can there is, cause unit fault.
Summary of the invention
For above-mentioned valve body, limited problem is installed, the object of this invention is to provide a kind of new valve body.This valve body can two-wayly be installed, thus avoids the problem of valve body installation direction mistake, and then improves the installation efficiency of valve body.
Technological scheme of the present invention is as follows:
A kind of valve body, comprises
Housing;
First fluid inlet/outlet pipe;
Second fluid inlet/outlet pipe; Described first fluid inlet/outlet pipe and described second fluid inlet/outlet pipe are separately positioned on the two ends of described housing;
Spool post, the two ends of described spool post are separately fixed on described first fluid inlet/outlet pipe and described second fluid inlet/outlet pipe, and described spool post, enclose formation activity space between described first fluid inlet/outlet pipe and described second fluid inlet/outlet pipe; And
Spool, described spool is arranged in described activity space, and described spool can move in described activity space, and described spool can seal described first fluid inlet/outlet pipe and/or described second fluid inlet/outlet pipe.
Wherein in an embodiment, the diameter of described spool is greater than the diameter of first fluid inlet/outlet pipe and/or described second fluid inlet/outlet pipe.
Wherein in an embodiment, described spool post comprises the first connecting tube, at least three valve core rods and the second connecting tube, wherein the two ends of valve core rod are separately fixed on the first connecting tube and the second connecting tube, and the inscribe diameter of a circle that described at least three valve core rods are formed is greater than the diameter of described spool.
Wherein in an embodiment, the quantity of the valve core rod of described spool post is four, and described four valve core rods form quadrilateral structure; The inscribe diameter of a circle of described quadrilateral is greater than the diameter of described spool.
Wherein in an embodiment, between the end face of the joint of described first fluid inlet/outlet pipe and described spool post and the close described second fluid inlet/outlet pipe of described first fluid inlet/outlet pipe, there is predeterminable range; And/or there is predeterminable range between the end face of the close described first fluid inlet/outlet pipe of the joint of described second fluid inlet/outlet pipe and described spool post and described second fluid inlet/outlet pipe.
Wherein in an embodiment, the part pipe of the close described second fluid inlet/outlet pipe of described first fluid inlet/outlet pipe is flaring otch; And/or the part pipe of the close described first fluid inlet/outlet pipe of described second fluid inlet/outlet pipe is flaring otch.
Wherein in an embodiment, described first fluid inlet/outlet pipe or described second fluid inlet/outlet pipe are all connected with described spool male screw; Described spool post is provided with internal thread, described first fluid inlet/outlet pipe and/or described second fluid inlet/outlet pipe are provided with outside thread.
Wherein in an embodiment, the external diameter of the first paragraph of the close described second fluid inlet/outlet pipe of described first fluid inlet/outlet pipe is less than the internal thread path of described spool post, and/or the external diameter of the first paragraph of the close described first fluid inlet/outlet pipe of described second fluid inlet/outlet pipe is less than the internal thread path of described spool post.
Wherein in an embodiment, the internal diameter stretching out one end of housing on described first fluid inlet/outlet pipe is greater than other internal diameters of each section of described first fluid inlet/outlet pipe; And/or the internal diameter stretching out one end of housing on described second fluid inlet/outlet pipe is greater than other internal diameters of each section of described second fluid inlet/outlet pipe.
Wherein in an embodiment, described housing comprises interconnective first housing and the second housing, one end of wherein said first housing is fixed on described first fluid inlet/outlet pipe, the other end of described first housing is connected with one end of described second housing, and the other end of described second housing is fixed on described second fluid inlet/outlet pipe.
Wherein in an embodiment, the internal diameter of one end fixed with first fluid inlet/outlet pipe of described first housing is less than the internal diameter of one end that described first housing is connected with described second housing.
Wherein in an embodiment, described first housing comprises the holding part, First Transition section, the first main paragraph, the second changeover portion and the linkage section that connect successively; Wherein the described holding part of the first housing is connected with described first fluid inlet/outlet pipe, and the linkage section of described first housing is connected with described second housing; The internal diameter of described first main paragraph is greater than the internal diameter of described linkage section.
Wherein in an embodiment, described second housing comprises the second main paragraph, the 3rd changeover portion and reducing section, second main paragraph of wherein said second housing is connected with described first housing, the described reducing section of described second housing is connected with described second fluid inlet/outlet pipe, and the internal diameter of described second main paragraph is greater than the internal diameter of described reducing section.
Wherein in an embodiment, described spool comprises spool shell and spool main body, and described spool shell is arranged on the outside of described spool main body, and the quality of described spool main body is adjustable.
Wherein in an embodiment, described spool is cylindrical.
Wherein in an embodiment, described columniform spool also comprises the elastic washer of annular and the baffle plate of annular, wherein said spool main body is cylindrical, described spool shell is annular, described elastic washer is arranged on the two ends of described spool shell and described spool main body, and described baffle wedge is located at the outside of described elastic washer.
The processing method of above-mentioned valve body, comprises the steps:
One end of spool post is fixed on first fluid inlet/outlet pipe or second fluid inlet/outlet pipe;
Spool is loaded in the activity space of described spool post formation;
The other end of spool post is fixed on described second fluid inlet/outlet pipe or first fluid inlet/outlet pipe and obtains mangetic core assembly;
Described mangetic core assembly to be arranged in described housing and the jointing of described mangetic core assembly and described housing is sealed.
Wherein in an embodiment, also comprise the step of first fluid inlet/outlet pipe and described second fluid inlet/outlet pipe being carried out to enlarging process.
The invention has the beneficial effects as follows: valve body of the present invention has carried out larger improvement in structure, the valve core structure of this valve body is designed to the centrosymmetric structure comprising spool post and spool, spool is arranged in the activity space surrounded by spool post, because spool can move in activity space, after this valve body installs under gravity spool drop on be positioned at below first fluid inlet/outlet pipe or second fluid inlet/outlet pipe end face on thus realize one-way conduction, therefore can two-way installation and the conducting direction of this valve body need not be noted when valve body of the present invention is vertically installed, the phenomenon of valve body installation direction mistake would not be there is like this, reduce the installation error rate of one-way valve, thus the phenomenon of the unit fault occurred due to valve body setup error can be avoided, further owing to not should be noted that the installation direction of valve body, therefore the installation efficiency of valve body can be improved.
Accompanying drawing explanation
Fig. 1 is the overall schematic of an embodiment of valve body of the present invention;
The A-A schematic diagram that Fig. 2 is the valve body shown in Fig. 1;
Fig. 3 is the overall schematic of an embodiment of spool in Fig. 1 and spool post;
The overall schematic of an embodiment of the first housing that Fig. 4 is the housing shown in Fig. 1;
The overall schematic of an embodiment of the second housing that Fig. 5 is the housing shown in Fig. 1;
Fig. 6 is the overall schematic of another embodiment of spool in Fig. 1;
Fig. 7 is the decomposing schematic representation of the spool shown in Fig. 6.
Embodiment
In order to make the object of valve body of the present invention and processing method thereof, technological scheme and advantage clearly understand, below in conjunction with concrete drawings and the specific embodiments, the present invention is further elaborated.
It should be noted that, when not conflicting, the embodiment in the present invention and the feature in embodiment can combine mutually.
See Fig. 1, the invention provides a kind of valve body, comprise housing 100, first fluid inlet/outlet pipe 200, second fluid inlet/outlet pipe 300, spool 420 and spool post 410; Wherein said first fluid inlet/outlet pipe 200 and described second fluid inlet/outlet pipe 300 are separately positioned on the two ends of described housing 100; It should be noted that, the first fluid inlet/outlet pipe in the present invention can be fluid inlet tube also can be that fluid goes out pipe, same, and second fluid inlet/outlet pipe also can be fluid inlet tube also can be that fluid goes out pipe, and it is determined according to the installation direction of this valve body.Spool 420 and spool post 410 are installed in described housing 100; The two ends of spool post 410 are separately fixed on described first fluid inlet/outlet pipe 200 and described second fluid inlet/outlet pipe 300, spool post 410 is arranged between first fluid inlet/outlet pipe 200 and second fluid inlet/outlet pipe 300, and spool post 410, encloses formation activity space between described first fluid inlet/outlet pipe 200 and described second fluid inlet/outlet pipe 300; Spool 420 is arranged in described activity space, and spool 420 can move by the bearing of trend at activity space in this activity space, and spool 420 should seal first fluid inlet/outlet pipe 200 and/or second fluid inlet/outlet pipe 300 simultaneously.Valve core rod in the present embodiment comprises at least three valve core rods 411, and the diameter of described spool 420 is less than or equal to the distance between any two valve core rods 411, and the diameter of described spool 420 is greater than the diameter of first fluid inlet/outlet pipe 200 and second fluid inlet/outlet pipe 300.
The diameter of described spool 420 is less than or equal to the distance between any two valve core rods 411, can ensure that spool 420 can freely move and can not be blocked by spool post 410 in activity space like this.The diameter of described spool 420 is greater than the diameter of first fluid inlet/outlet pipe 200 and second fluid inlet/outlet pipe 300, can ensure that spool 420 can not be fallen in first fluid inlet/outlet pipe 200 or second fluid inlet/outlet pipe 300 like this.
As shown in Figure 1, the two ends of spool post 410 are separately fixed on first fluid inlet/outlet pipe 200 and second fluid inlet/outlet pipe, then spool post inside forms the activity space that a restriction spool 420 moves, and spool 420 can move carry out channeling fluid or block fluid in this activity space.Especially what deserves to be explained is, because spool can move in activity space, after this valve body installs, spool drops on the end face of the first fluid inlet/outlet pipe below being positioned at or second fluid inlet/outlet pipe under gravity, therefore can two-way installation and the conducting direction of this valve body need not be noted when valve body of the present invention is vertically installed, the phenomenon of valve body installation direction mistake would not be there is like this, thus the phenomenon of the unit fault occurred due to valve body setup error can be avoided, further owing to not should be noted that the installation direction of valve body, therefore the installation efficiency of valve body can be improved.
Preferably, as a kind of embodiment, described spool post 410 comprises the first connecting tube 411, at least three valve core rods 412 and the second connecting tube 413, wherein the two ends of valve core rod 412 are separately fixed on the first connecting tube 411 and the second connecting tube 413, and the inscribe diameter of a circle that described at least three valve core rods 412 are formed is greater than the diameter of described spool 420.In the present embodiment, the first connecting tube 411 is for being connected with first fluid inlet/outlet pipe 200, and the second connecting tube 413 is for being connected with second fluid inlet/outlet pipe 300; Or the first connecting tube 411 is for being connected with second fluid inlet/outlet pipe 300, the second connecting tube 413 is for being connected with first fluid inlet/outlet pipe 200.The transverse movement of the effect restriction spool 420 of valve core rod, makes spool 420 move in activity space, ensures that spool can drop on the mouth of pipe (end face) place of first fluid inlet/outlet pipe 200 or second fluid inlet/outlet pipe 300 all the time.Especially it is noted that the diameter of described spool 420 be less than described in the inscribe diameter of a circle of geometrical shape that formed of at least three valve core rods 412, in order to avoid by spool jam, affect valve body and normally work.
Preferably, as a kind of embodiment, see Fig. 2, the quantity of the valve core rod 412 of the spool post 410 in the present embodiment is four, and four valve core rods 412 form quadrilateral structure; The inscribe diameter of a circle of described quadrilateral is greater than the diameter of described spool 420.Such setting can make the activity space in whole valve core structure larger.The sectional shape of the valve core rod 412 in the present embodiment is rectangle, but the sectional shape of valve core rod 412 also can be any geometrical shapies such as circle, triangle.
Preferably, as a kind of embodiment, see Fig. 3, between the end face 201 of the joint 210 of described first fluid inlet/outlet pipe 200 and described spool post 410 and the close described second fluid inlet/outlet pipe of described first fluid inlet/outlet pipe 200, there is predeterminable range.The end face that namely end face 201 of the close described second fluid inlet/outlet pipe of first fluid inlet/outlet pipe 200 contacts with spool 420, this end face is positioned at the inside of housing 100.That is first fluid inlet/outlet pipe 200 and the joint 210 of spool post 410 are positioned at the middle part of first fluid inlet/outlet pipe 200, there is certain distance joint 210 apart from end face 201, such setting can ensure that valve core rod is connected well with first fluid inlet/outlet pipe, the motion of spool can not affect the connection of valve core rod and first fluid inlet/outlet pipe, can ensure fully contacting of the end face 201 of spool and first fluid inlet/outlet pipe simultaneously.
Same, see Fig. 3, between the end face (not shown) of the joint 310 of described second fluid inlet/outlet pipe 300 and described spool post 410 and the close described first fluid inlet/outlet pipe 200 of described second fluid inlet/outlet pipe 300, there is predeterminable range.That is the joint 310 of second fluid inlet/outlet pipe 300 is positioned at the middle part of second fluid inlet/outlet pipe 300 equally.
Preferably, as a kind of embodiment, see Fig. 3, described first fluid inlet/outlet pipe 200 is flaring otch (namely part pipe 201 is flaring otch section) near the part pipe 201 of described second fluid inlet/outlet pipe; And/or described second fluid inlet/outlet pipe 300 is flaring otch near the part pipe of described first fluid inlet/outlet pipe 200.Flaring otch mean that first fluid inlet/outlet pipe 200 needs to carry out enlarging process near this part of pipe of second fluid inlet/outlet pipe 300, wherein the diameter of the end face that can contact with spool of first fluid inlet/outlet pipe 200 is greater than the diameter of other parts of flaring otch section.Flaring otch section is set and can ensures that the sealing of valve ball and first fluid inlet/outlet pipe or second fluid inlet/outlet pipe is good.
Wherein, first fluid inlet/outlet pipe and spool post can adopt clamping, be threaded, any Placement such as welding.Preferably, see Fig. 3, the described first fluid inlet/outlet pipe 200 in the present embodiment or described second fluid inlet/outlet pipe 300 are threaded with described spool post 410; Described spool post 410 is provided with internal thread, described first fluid inlet/outlet pipe 200 and/or described second fluid inlet/outlet pipe 300 are provided with outside thread.On the first connecting tube 411 of spool post 410 and the second connecting tube 413, be provided with internal thread in the present embodiment, the joint 210 of first fluid inlet/outlet pipe 200 be provided with outside thread, the joint 310 of second fluid inlet/outlet pipe 300 is provided with outside thread.Employing is threaded and is easy to install and maintain.
Further, the external diameter of the first paragraph 220 one section of pipe of the right side of joint 210 (namely in Fig. 3) of the close described second fluid inlet/outlet pipe 300 of described first fluid inlet/outlet pipe 200 is less than the internal thread path of described spool post 410.Such setting can ensure that spool contacts well with first fluid inlet/outlet pipe.Same, the external diameter of the first paragraph of the close described first fluid inlet/outlet pipe 200 of described second fluid inlet/outlet pipe 300 320 one section of pipe of the left side of joint 310 (namely in Fig. 3) is less than the internal thread path of described spool post 410.
The diameter of the first fluid inlet/outlet pipe 200 in the present embodiment and second fluid inlet/outlet pipe 300, length can be identical, also can be slightly different.But preferably first fluid inlet/outlet pipe 200 is identical with the structure of second fluid inlet/outlet pipe 300, convenient when such valve body is installed.More excellent, see Fig. 1, the internal diameter of the one end 230 of stretching out housing on described first fluid inlet/outlet pipe 200 is greater than other internal diameters of each section of described first fluid inlet/outlet pipe 200; And/or the internal diameter of one end 330 of stretching out housing on described second fluid inlet/outlet pipe 300 is greater than other internal diameters of each section of described second fluid inlet/outlet pipe 300.Arrange more convenient fluid like this flow into and flow out.Enlarging process can be carried out realize by one end of stretching out housing of convection cell inlet/outlet pipe.
Housing in the present invention can be as a whole, also can be split type.Preferably, as a kind of embodiment, see Fig. 1, described housing 100 comprises interconnective first housing 100 and the second housing 120, one end of wherein said first housing 110 is fixed on described first fluid inlet/outlet pipe 200, the other end of described first housing 110 is connected with one end of described second housing 120, and the other end 122 of described second housing 120 is fixed on described second fluid inlet/outlet pipe 300.In the present embodiment, fluid inlet/outlet pipe is connected with housing and all adopts the mode of welding to connect, and can ensure like this to connect effect.First housing 110 and the second housing 120 are also by being welded to connect.
Preferably, see Fig. 1, the internal diameter of one end fixing with first fluid inlet/outlet pipe 200 of described first housing 110 is less than the internal diameter of one end that described first housing 110 is connected with described second housing 120.Convenient installation is set like this.
Preferably, see Fig. 4, described first housing 110 in the present embodiment comprises the holding part 111, First Transition section 112, first main paragraph 113, second changeover portion 114 and the linkage section 115 that connect successively; The described holding part 111 of wherein said first housing is connected with described first fluid inlet/outlet pipe 200, and the linkage section 115 of described first housing is connected with described second housing 120; The internal diameter of described first main paragraph 113 is greater than the internal diameter of described linkage section 115.
Preferably, see Fig. 5, described second housing 120 comprises the second main paragraph 121, the 3rd changeover portion 122 and reducing section 123, second main paragraph 121 of wherein said second housing 120 is connected with described first housing 110, the described reducing section 123 of described second housing 120 is connected with described second fluid inlet/outlet pipe 300, and the internal diameter of described second main paragraph 121 is greater than the internal diameter of described reducing section 123.
Preferably, as a kind of embodiment, described spool 420 comprises spool shell and spool main body, and described spool shell is arranged on the outside of described spool main body, and the quality of described spool main body is adjustable.Like this on the basis of boundary dimension not changing spool 420, can the quality of in very large range regulating spool by the quality changing spool main body.Further, described spool shell is made up of elastomeric light material, and described valve core is made up of metallic material.
See Fig. 2, the spool in the present embodiment is spherical, and it comprises spool shell 4201 and spool main body 4202, and spool main body 4202 is spherical, and the profile of spool shell 4201 is spherical and spool main body 4202 is wrapped in the inside of spool shell 4201.
See Fig. 6 and Fig. 7, spool in the present embodiment is cylindrical, it comprises spool shell 4201, spool main body 4202, two cyclic spring packing rings 4203 and two ring baffles 4204, wherein spool main body 4202 is cylindrical, spool shell 4201 is the cylindrical of annular and spool shell 4201 wraps up spool main body 4202 completely, elastic washer 4203 is arranged on the both sides end face of spool shell 4201 and spool main body 4202, elastic washer 4203 is for sealed valve core shell 4201 and spool main body 4202, and baffle plate 4204 is for fixing elastic washer 4203.Its spool main body 4202 is made up of metal material, for increasing the gravity of spool, can change quality by the size changing spool main body 4202.Spool shell 4201 is made up of light elastic material, and it is used for keeping the gap between spool main body 4202 and spool post 413 on the one hand, ensures that columniform spool main body 4202 is positioned at vertical direction all the time, makes elastic washer uniform force on the other hand.It should be noted that the surface of spool shell should be smooth, the movement of spool main body in the vertical direction can not be hindered.
The processing method of the valve body of above-mentioned any embodiment, comprises the steps:
S100: one end of spool post 420 is fixed on first fluid inlet/outlet pipe 200 or second fluid inlet/outlet pipe 300;
S200: spool 410 is loaded in activity space that described spool post 420 formed;
S300: the other end of spool post 420 is fixed on described second fluid inlet/outlet pipe 300 or first fluid inlet/outlet pipe 200 and obtains mangetic core assembly;
S400: described mangetic core assembly to be arranged in described housing 100 and the jointing of described mangetic core assembly and described housing 100 is sealed.
Further, step S400 comprises the steps:
S410: mangetic core assembly is inserted from the heavy caliber of the second housing 120 and makes one of them fluid inlet/outlet pipe stretch out the second housing 120;
S420: the first housing 110 is inserted in until the first housing 110 and the second housing 120 link together from another fluid inlet/outlet pipe, then the first housing 110 and the second housing 120 is welded and fixed;
S430: regulating two fluid inlet/outlet pipes to stretch out the length of housing, make it reach preset requirement, fixing carrying out welded seal between housing and fluid inlet/outlet pipe behind location.
Preferably, the step of the part of stretching out housing of first fluid inlet/outlet pipe 200 and described second fluid inlet/outlet pipe 300 being carried out to enlarging process is also comprised.This step can be carried out after step S400, also can carry out before and after arbitrary steps.
Above-mentioned processing method is simple to operation, change processing and the assembling mode of whole valve body, existing valve body enclosure interior needs slot boring, as long as and processing method of the present invention is in the outside recessing of fluid inlet/outlet pipe or threading, shell adopts simple necking pipe just can meet the demands, and can save rapidoprint, simplified processing process, thus increase substantially manufacturing efficiency, reduce costs.
The above embodiment only have expressed several mode of execution of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claim.
Claims (18)
1. a valve body, is characterized in that, comprises
Housing (100);
First fluid inlet/outlet pipe (200);
Second fluid inlet/outlet pipe (300); Described first fluid inlet/outlet pipe (200) and described second fluid inlet/outlet pipe (300) are separately positioned on the two ends of described housing (100);
Spool post (410), described spool post (410) is arranged between described first fluid inlet/outlet pipe (200) and described second fluid inlet/outlet pipe (300), the two ends of described spool post (410) are separately fixed on described first fluid inlet/outlet pipe (200) and described second fluid inlet/outlet pipe (300), and described spool post (410), enclose formation activity space between described first fluid inlet/outlet pipe (200) and described second fluid inlet/outlet pipe (300); And
Spool (420), described spool (420) is arranged in described activity space, and described spool (420) can move in described activity space, described spool (420) can seal described first fluid inlet/outlet pipe (200) and/or described second fluid inlet/outlet pipe (300).
2. valve body according to claim 1, is characterized in that, the diameter of described spool (420) is greater than the diameter of first fluid inlet/outlet pipe (200) and/or described second fluid inlet/outlet pipe (300).
3. valve body according to claim 1, it is characterized in that, described spool post (410) comprises at least three valve core rods (412), the first connecting tube (411) and the second connecting tube (413), wherein the two ends of valve core rod (412) are separately fixed on the first connecting tube (411) and the second connecting tube (413), and the inscribe diameter of a circle that described at least three valve core rods (412) are formed is greater than the diameter of described spool (420).
4. valve body according to claim 3, is characterized in that, the quantity of the valve core rod (412) of described spool post (410) is four, and described four valve core rods (412) form quadrilateral structure; The inscribe diameter of a circle of described quadrilateral is greater than the diameter of described spool (420).
5. valve body according to claim 1, it is characterized in that there is predeterminable range between the end face (201) of the joint (210) of described first fluid inlet/outlet pipe (200) and described spool post (410) and the close described second fluid inlet/outlet pipe (300) of described first fluid inlet/outlet pipe (200); And/or there is predeterminable range between the end face of the close described first fluid inlet/outlet pipe (200) of the joint (310) of described second fluid inlet/outlet pipe (300) and described spool post (410) and described second fluid inlet/outlet pipe (300).
6. valve body according to claim 1, is characterized in that, the part pipe (201) of the close described second fluid inlet/outlet pipe (300) of described first fluid inlet/outlet pipe (200) is flaring otch; And/or the part pipe of the close described first fluid inlet/outlet pipe (200) of described second fluid inlet/outlet pipe (300) is flaring otch.
7. valve body according to claim 1, is characterized in that, described first fluid inlet/outlet pipe (200) or described second fluid inlet/outlet pipe (300) are all threaded with described spool post (410); Described spool post (410) is provided with internal thread, described first fluid inlet/outlet pipe (200) and/or described second fluid inlet/outlet pipe (300) are provided with outside thread.
8. valve body according to claim 7, it is characterized in that, the external diameter of the first paragraph (210) of the close described second fluid inlet/outlet pipe (300) of described first fluid inlet/outlet pipe (200) is less than the internal thread path of described spool post (410), and/or the external diameter of the first paragraph (310) of the close described first fluid inlet/outlet pipe (200) of described second fluid inlet/outlet pipe (300) is less than the internal thread path of described spool post (410).
9. valve body according to claim 1, it is characterized in that, the internal diameter stretching out one end of described housing (100) of described first fluid inlet/outlet pipe (200) is greater than other internal diameters of each section of described first fluid inlet/outlet pipe (200); And/or the internal diameter stretching out one end of described housing (100) on described second fluid inlet/outlet pipe (300) is greater than other internal diameters of each section of described second fluid inlet/outlet pipe (300).
10. valve body according to claim 1, it is characterized in that, described housing (100) comprises interconnective first housing (110) and the second housing (120), one end of wherein said first housing (110) is fixed on described first fluid inlet/outlet pipe (200), the other end of described first housing (110) is connected with one end of described second housing (120), and the other end of described second housing (120) is fixed on described second fluid inlet/outlet pipe (300).
11. valve bodies according to claim 10, it is characterized in that, the internal diameter of one end fixing with first fluid inlet/outlet pipe (200) of described first housing (110) is less than the internal diameter of one end that described first housing (110) is connected with described second housing (120).
12. valve bodies according to claim 11, it is characterized in that, described first housing (110) comprises the holding part (111), First Transition section (112), the first main paragraph (113), the second changeover portion (114) and the linkage section (115) that connect successively; Wherein the described holding part (111) of the first housing (110) is connected with described first fluid inlet/outlet pipe (200), and the linkage section of described first housing (110) is connected with described second housing (120); The internal diameter of described first main paragraph (113) is greater than the internal diameter of described linkage section (115).
13. valve bodies according to claim 11, it is characterized in that, described second housing (120) comprises the second main paragraph (121), the 3rd changeover portion (122) and reducing section (123), second main paragraph (121) of wherein said second housing (120) is connected with described first housing (110), the described reducing section (123) of described second housing (120) is connected with described second fluid inlet/outlet pipe (300), and the internal diameter of described second main paragraph (121) is greater than the internal diameter of described reducing section (123).
14. valve bodies according to claim 1 to 13 any one, it is characterized in that, described spool (420) comprises spool shell (4202) and spool main body (4201), described spool shell (4202) is arranged on the outside of described spool main body (4201), and the quality of described spool main body (4201) is adjustable.
15. valve bodies according to claim 14, is characterized in that, described spool (420) is for cylindrical.
16. valve bodies according to claim 15, it is characterized in that, described columniform spool also comprises the elastic washer (4203) of annular and the baffle plate (4204) of annular, wherein said spool main body (4201) is for cylindrical, described spool shell (4202) is annular, described elastic washer (4203) is arranged on the two ends of described spool shell (4202) and described spool main body (4201), and described baffle plate (4204) is fastened on the outside of described elastic washer (4202).
The processing method of the valve body described in 17. claim 1 to 16 any one, is characterized in that, comprise the steps:
One end of spool post (410) is fixed on first fluid inlet/outlet pipe (200) or second fluid inlet/outlet pipe (300);
Spool (420) is loaded in activity space that described spool post (410) formed;
The other end of described spool post (410) is fixed on described second fluid inlet/outlet pipe (300) or first fluid inlet/outlet pipe (200) and obtains mangetic core assembly;
Described mangetic core assembly to be arranged in described housing (100) and the jointing of described mangetic core assembly and described housing (100) is sealed.
18. processing methods according to claim 17, is characterized in that, also comprise the step of first fluid inlet/outlet pipe (200) and described second fluid inlet/outlet pipe (300) being carried out to enlarging process.
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| CN201510290212.2A CN104864127B (en) | 2015-05-29 | 2015-05-29 | Valve body and machining method thereof |
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| CN106907509A (en) * | 2015-12-23 | 2017-06-30 | 珠海格力电器股份有限公司 | Check valve and air conditioner |
| CN109027328A (en) * | 2018-08-25 | 2018-12-18 | 宿州中矿三杰科技有限公司 | A kind of vertical non-return valve |
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| Publication number | Publication date |
|---|---|
| CN104864127B (en) | 2018-01-19 |
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