CN217762187U - Needle valve that adaptation range is wide - Google Patents
Needle valve that adaptation range is wide Download PDFInfo
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- CN217762187U CN217762187U CN202221933025.3U CN202221933025U CN217762187U CN 217762187 U CN217762187 U CN 217762187U CN 202221933025 U CN202221933025 U CN 202221933025U CN 217762187 U CN217762187 U CN 217762187U
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Abstract
The utility model relates to a wide needle valve of adaptation scope comprises switching element, valve body, valve rod, and the valve rod is worn to establish the valve body and with valve body screw-thread fit, and switching element fixed mounting sets up fluid passage in the valve body in the valve rod upside, and fluid passage sets up cuts the mouth, and the left and right sides that the valve body is located fluid passage sets up first fitting piece and second fitting piece respectively, sets up first passageway in the first fitting piece, sets up second passageway, its characterized in that in the second fitting piece: the fluid channel is located and cuts a mouthful downside and sets up the reposition of redundant personnel passageway, still includes the third fitting, sets up the third channel in the third fitting, still includes first sealing member, second sealing member and third sealing member, and first sealing member can be dismantled with first fitting and be connected, and the second sealing member can be dismantled with the second fitting and be connected, and the third sealing member can be dismantled with the third fitting and be connected. By adopting the scheme, the needle valve which can be directly connected with the two pipelines which are not positioned on the same horizontal line and has wide adaptation range is provided.
Description
Technical Field
The utility model relates to a valve field especially relates to a needle valve that adaptation range is wide.
Background
The needle valve is a valve which can be accurately adjusted, has wide application range and has the function of opening or cutting off a pipeline passage, and the valve core of the needle valve is a sharp cone which is inserted into a valve seat like a needle, thereby obtaining the name. The existing needle valve consists of a switch piece, a valve rod, a valve body and a needle valve core, wherein the valve body is positioned on two horizontal sides of the valve core and is provided with a flow inlet channel and a flow outlet channel, the flow inlet channel and the flow outlet channel are respectively communicated with internal channels of different pipelines, and then fluid flows into the pipeline on the other side from the pipeline on the one side. When the pipeline position that needs to be connected is fixed and two pipelines are not located the both ends of same level, current needle valve can't be directly with two pipe connection, consequently, how to realize that the both sides of needle valve can directly be connected with two pipelines that are not located same level line to improve the adaptation scope of needle valve, become the problem that the skilled person in the art awaits a urgent need to solve.
Disclosure of Invention
The utility model aims to provide a not enough to prior art exists, the utility model aims to provide a when needs and inflow passageway, two pipeline position that the passageway of effluenting is connected are fixed and not be located same water flat line, can be directly with the wide needle type valve of an adaptation scope of two pipe connection that are not located same water flat line.
In order to achieve the above purpose, the utility model provides a following technical scheme: constitute by switching element, valve body, valve rod, the valve rod wear to establish the valve body and with valve body screw-thread fit, switching element fixed mounting in the valve rod upside, the valve body in be provided with fluid passage, fluid passage be provided with and cut the fracture, the valve body be located fluid passage's the left and right sides and be provided with first fitting piece and second fitting piece respectively, first fitting piece in be provided with the first passageway that is linked together with fluid passage, the second fitting piece in be provided with the second passageway that is linked together with fluid passage, its characterized in that: the fluid passage be located and cut a mouthful downside and be provided with the reposition of redundant personnel passageway, still include the third fitting piece that is located the reposition of redundant personnel passageway downside, the third fitting piece in be provided with the third passageway that is linked together with the reposition of redundant personnel passageway, still including the first sealing member that is located first fitting piece, be located the second sealing member of second fitting piece and be located the third sealing member of third fitting piece, first sealing member can dismantle with first fitting piece and be connected, the second sealing member can dismantle with the second fitting piece and be connected, the third sealing member can dismantle with the third fitting piece and be connected.
By adopting the technical scheme, 1, as the first sealing element is detachably connected with the first fitting piece, the second sealing element is detachably connected with the second fitting piece, and the third sealing element is detachably connected with the third fitting piece, the corresponding sealing element to be detached can be selected according to the position relation of two pipelines connected with the fluid channel of the valve body, so that the two pipelines which are not positioned on the same horizontal line can be directly connected with the valve body; 2. because each sealing element is detachably connected with the corresponding fitting element, the three sealing elements can be taken down from the corresponding fitting element, thereby realizing the diversion of fluid entering from one side and flowing out from two sides or the confluence of fluid entering from two sides and flowing out from one side, and realizing the arrangement of a three-way flow channel; 3. in a similar way, the three sealing elements can be arranged on the corresponding fitting pieces to realize the blocking of the fluid channel in the valve body and each channel, thereby realizing the sealing and dust prevention of the fluid channel.
The utility model discloses further set up to: the valve body be located the reposition of redundant personnel passageway and be provided with the installation cavity, the installation cavity be located the third fitting piece and be provided with the internal thread, third fitting piece periphery be provided with the external screw thread, third fitting piece and installation cavity screw-thread fit.
By adopting the technical scheme, 1, the third fitting piece is in threaded fit with the mounting cavity, so that the third fitting piece can be assembled with the mounting cavity by rotating the third fitting piece, and the assembly and disassembly are labor-saving; 2. because the third matching piece is detachable, if the fluid in the valve body corrodes the third channel, the third matching piece can be replaced to solve the problem, and therefore the service life of the needle valve is prolonged.
The utility model discloses further set up to: the third fitting piece is provided with a through groove for placing a third sealing element, screw holes are formed in the left side and the right side of the third sealing element, jacks are formed in the third fitting piece corresponding to the screw holes, and the third fitting piece further comprises a screw rod, wherein the screw rod penetrates through the jacks and is in threaded fit with the screw holes.
By adopting the technical scheme, when the valve body only needs to start the first channel and the second channel, the third channel can be sealed by arranging the third sealing element, and after the third fitting piece and the mounting cavity are disassembled, the third sealing element can be arranged in the through groove; because the left side and the right side of the third sealing element are provided with screw holes, the third fitting piece is provided with jacks corresponding to the screw holes, and then after the screw hole on the third sealing element is aligned with the jack on the third fitting piece, the screw rod is inserted into the jack and is in threaded fit with the screw hole, so that the third sealing element is connected with the third fitting piece; finally, a third fitting piece is screwed into the mounting cavity, so that the third channel is sealed; in a similar way, after the third matching piece is rotated to be detached from the mounting cavity, the screw rod is taken out of the jack and the screw hole, the third sealing element and the third matching piece are detached, and finally the third matching piece is screwed into the mounting cavity to remove the third channel seal, so that whether the third channel is sealed or not can be determined easily and labor-saving according to the use requirement.
The utility model discloses further set up to: the through groove is internally provided with a gasket, the gasket is provided with a through hole for the third sealing element to penetrate through, and the gasket is positioned on the upper side of the third sealing element.
Through adopting above-mentioned technical scheme, because be provided with the through-hole on the packing ring, can locate the sealing member upside with the packing ring cover, the setting of packing ring can further guarantee the sealing of the back to corresponding pipeline of sealing member imbedding the fitting piece, when the fluid flow through corresponding the passageway, lie in the back that the packing ring that corresponds the passageway receives the impact of rivers, it can laminate more with the fitting piece surface that corresponds, further improves the sealed of valve body and third fitting piece.
The utility model discloses further set up to: the gasket comprises a first section, a second section and a third section, wherein the diameter of the first section is larger than that of the through groove, the diameter of the second section is smaller than that of the through groove, the diameter of the third section is the same as that of the through groove, the first section abuts against the upper side of the third fitting piece, and the periphery of the third section abuts against the circumferential direction of the through groove.
By adopting the technical scheme, 1, as the diameter of the first section is larger than that of the through groove, when the gasket in the through groove moves towards the sealing element side under the impact of fluid, the first section can be attached to the upper side of the third fitting element, so that the gasket can be stably installed on the upper side of the third fitting element; when the gasket needs to be disassembled, the gasket can be taken out by clamping the first section with the diameter larger than that of the through groove by a hand or a tool, so that the gasket is more convenient to disassemble; 2. because the diameter of the second section is smaller than that of the through groove, namely, a gap exists between the second section and the through groove, when the gasket needs to be disassembled, after a hand or a tool stirs the first section, the second section can be taken out easily and laborsavingly due to the gap between the second section and the through groove, and the third section can be taken out along with the outward moving trend of the second section due to the tensile force applied to the second section, so that the gasket can be disassembled easily; 3. since the diameter of the third section is the same as the diameter of the through groove and the outer periphery of the third section is abutted against the circumferential direction of the through groove, the third section can be more stably installed in the through groove.
The utility model discloses further set up to: the first fitting piece, the second fitting piece and the third fitting piece are the same in shape and size, and the first sealing element, the second sealing element and the third sealing element are the same in shape and size.
By adopting the technical scheme, the first matching piece, the second matching piece and the third matching piece are the same in shape and size, and the first sealing element, the second sealing element and the third sealing element are the same in shape and size, so that 1, in the production and manufacturing process, only one parameter of grinding tool is needed to complete the manufacturing of the three matching pieces, and similarly, only one parameter of grinding tool is needed to complete the manufacturing of the three sealing elements; 2. when a certain channel needs to be blocked, if the fitting piece or the sealing piece is worn or corroded by fluid, and the like, which influences the sealing performance and the use, the other two fitting pieces or the sealing pieces can be selected for replacement.
The utility model discloses further set up to: the gasket material set up to the material that easily takes place deformation.
Through adopting above-mentioned technical scheme, it still has advantages such as permanent compression deformation is little, anti extrusion capacity is strong, long service life on the basis of further improving the leakproofness between third fitting piece and the valve body.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a cross-sectional view of a fluid passageway having a first seal member according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a fluid passage in a three-way state according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of the first embodiment of the present invention with the first seal installed and the fluid passage in an "L" shape;
FIG. 4 is a cross-sectional view of a fluid passageway having corresponding seal members on three sides according to an embodiment of the present invention;
FIG. 5 is an enlarged view of A in FIG. 3;
FIG. 6 is an enlarged view of B in FIG. 4;
fig. 7 is an enlarged view of C in fig. 4.
In the figure: 1-switching element, 2-valve body, 3-valve stem, 4-fluid channel, 5-cutting opening, 6-first fitting element, 7-second fitting element, 8-first channel, 9-second channel, 10-shunt channel, 11-third fitting element, 12-third channel, 13-first sealing element, 14-second sealing element, 15-third sealing element, 16-through groove, 17-screw hole, 18-jack, 19-screw rod, 20-through hole, 21-first section, 22-second section, 23-third section and 24-moving groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-7, the present invention discloses a needle valve with wide adaptation range, which comprises a switch element 1, a valve body 2, a valve rod 3, wherein the valve rod 3 penetrates through the valve body 2 and is in threaded fit with the valve body 2, the switch element 1 is fixedly mounted on the upper side of the valve rod 3 (such as in a manner of buckle, welding, etc.), a fluid channel 4 is arranged in the valve body 2, the fluid channel 4 is provided with a cut-off portion 5, the valve body 2 is positioned at the left side and the right side of the fluid channel 4 and is respectively provided with a first fitting element 6 and a second fitting element 7, a first channel 8 communicated with the fluid channel 4 is arranged in the first fitting element 6, a second channel 9 communicated with the fluid channel 4 is arranged in the second fitting element 7, the fluid channel 4 is positioned at the lower side of the cut-off portion 5 and is provided with a diversion channel 10, the present invention further comprises a third fitting element 11 positioned at the lower side of the diversion channel 10, a third channel fitting element 12 communicated with the diversion channel 10 is arranged in the third fitting element 11, the third channel fitting element 11 is provided with a first sealing element 13 positioned in the first fitting element 6, a removable sealing element 14, such as a removable sealing element, a removable sealing element 15, such as a movable connection with the third fitting element 15, such as a removable sealing element is provided in a removable connection with the valve rod, such as a removable sealing element 24, a removable connection with a removable sealing element such as a movable connection with a removable sealing element 15, a removable sealing element such as a removable sealing element 24, therefore, when the valve rod 3 is not used, the valve rod 3 is matched with the cut-off opening 5, fluid cannot flow to other channels from one channel at the moment, and therefore the fluid channel 4 in the valve body 2 is closed; the valve rod 3 moves downwards, the fluid passage 4 is closed, and therefore opening and closing of the fluid passage 4 by the rotary switch piece 1 are achieved, and therefore: 1. because the first sealing element 13 is detachably connected with the first fitting part 6, the second sealing element 14 is detachably connected with the second fitting part 7, and the third sealing element 15 is detachably connected with the third fitting part 11, the corresponding sealing element to be detached can be selected according to the position relation of two pipelines connected with the fluid channel 4 of the valve body 2, so that two pipelines which are not positioned on the same horizontal line can be directly connected with the valve body 2; 2. because each sealing element is detachably connected with the corresponding fitting element, as shown in fig. 2, the three sealing elements can be taken down from the corresponding fitting element, so that split flow of fluid entering from one side and flowing out from two sides or confluence flow of fluid entering from two sides and flowing out from one side are realized, and the three-way flow channel arrangement is realized; 3. similarly, as shown in fig. 4, three sealing members may be mounted on corresponding mating members to block the fluid passage 4 in the valve body 2 from each other, so as to seal and prevent dust in the fluid passage 4.
The valve body 2 is provided with an installation cavity at the diversion channel 10, the installation cavity is provided with an internal thread at the third fitting piece 11, an external thread is arranged at the periphery of the third fitting piece 11, the third fitting piece 11 is in threaded fit with the installation cavity, and 1, as the third fitting piece 11 is in threaded fit with the installation cavity, the third fitting piece 11 can be assembled with the installation cavity by rotating the third fitting piece 11, so that the assembly and disassembly are labor-saving; 2. because the third fitting 11 is detachable, if the fluid in the valve body 2 corrodes the third channel 12, the corrosion can be solved by replacing the third fitting 11, and therefore the service life of the needle valve is prolonged.
In addition, valve body 2 is located first fitting piece 6, second fitting piece 7 and also can sets up the installation cavity, through the installation cavity with correspond the dismantled connection of fitting piece come to realize dismantling of corresponding fitting piece to prolong the life of needle valve, can dismantle the mode of connecting and can be for the laborsaving screw-thread fit of dismouting, also can be other modes such as buckle.
The third fitting piece 11 is provided with a through groove 16 for placing a third sealing piece 15, screw holes 17 are formed in the left side and the right side of the third sealing piece 15, each screw hole 17 corresponding to the third fitting piece 11 is provided with a jack 18, the valve body further comprises a screw rod 19, the screw rod 19 penetrates through the jack 18 and is in threaded fit with the screw hole 17, when the valve body 2 only needs to start the first channel 8 and the second channel 9, the third channel 12 can be sealed by placing the third sealing piece 15, and after the third fitting piece 11 and the mounting cavity are disassembled, the third sealing piece 15 can be placed into the through groove 16; because the left side and the right side of the third sealing element 15 are provided with the screw holes 17, the third fitting piece 11 is provided with the insertion holes 18 corresponding to the screw holes 17, and then the screw holes 17 on the third sealing element 15 are aligned with the insertion holes 18 on the third fitting piece 11, and then the screw rods 19 are inserted into the insertion holes 18 and are in threaded fit with the screw holes 17 to realize the connection of the third sealing element 15 and the third fitting piece 11; finally, by screwing the third fitting 11 into the mounting cavity, a seal of the third channel 12 is achieved; in a similar way, after the third fitting part 11 is rotated and disassembled from the installation cavity, the screw rod 19 is taken out from the jack 18 and the screw hole 17, the third sealing element 15 and the third fitting part 11 are disassembled, and finally the third fitting part 11 is screwed into the installation cavity to complete the removal of the sealing of the third channel 12, so that the third channel 12 can be easily and labor-saving, and whether the sealing is carried out or not can be determined according to the use requirement.
The first seal 13 and the second seal 14 may seal the corresponding passages with the same configuration, or may seal the corresponding passages with seals of other configurations.
In addition, the through groove 16 is internally provided with a gasket, the gasket is provided with a through hole 20 for the third sealing element 15 to penetrate through, the gasket is positioned on the upper side of the third sealing element 15, the gasket is sleeved on the upper side of the sealing element due to the through hole 20, the sealing of the corresponding pipeline after the sealing element is arranged in the matching piece can be further ensured by the gasket, when fluid flows through the corresponding channel, the gasket positioned in the corresponding channel is more attached to the surface of the corresponding matching piece after being impacted by water flow, and the sealing of the valve body 2 and the third matching piece 11 is further improved.
The gasket comprises a first section 21, a second section 22 and a third section 23, wherein the diameter of the first section 21 is larger than that of the through groove 16, the diameter of the second section 22 is smaller than that of the through groove 16, the diameter of the third section 23 is the same as that of the through groove 16, the first section 21 abuts against the upper side of the third fitting piece 11, the periphery of the third section 23 abuts against the circumferential direction of the through groove 16, and 1, because the diameter of the first section 21 is larger than that of the through groove 16, when the gasket in the through groove 16 moves towards the sealing element side under the impact of fluid, the first section 21 can be attached to the upper side of the third fitting piece 11, so that the gasket can be stably installed on the upper side of the third fitting piece 11; when the gasket needs to be disassembled, the gasket can be taken out by clamping the first section 21 with the diameter larger than that of the through groove 16 by a hand or a tool, so that the gasket is more convenient; 2. because the diameter of the second section 22 is smaller than that of the through groove 16, namely, a gap exists between the second section 22 and the through groove 16, when the gasket needs to be disassembled, after a hand or a tool stirs the first section 21, the second section 22 can be easily and laborsaving taken out due to the gap between the second section 22 and the through groove 16, and the third section 23 can be taken out along with the outward moving trend of the second section 22 due to the pulling force applied to the second section 22, so that the gasket can be easily disassembled; 3. since the diameter of the third section 23 is the same as the diameter of the through groove 16 and the outer periphery of the third section 23 is abutted against the circumferential direction of the through groove 16, the third section 23 can be more stably mounted in the through groove 16.
The shapes and the sizes of the first fitting piece 6, the second fitting piece 7 and the third fitting piece 11 are the same, the shapes and the sizes of the first sealing piece 13, the second sealing piece 14 and the third sealing piece 15 are the same, and the shapes and the sizes of the first sealing piece 13, the second sealing piece 14 and the third sealing piece 15 are the same because the shapes and the sizes of the first fitting piece 6, the second fitting piece 7 and the third fitting piece 11 are the same, so that 1, in the production and manufacturing process, only one parameter of grinding tool is needed to complete the manufacture of the three fitting pieces, and similarly, only one parameter of grinding tool is needed to complete the manufacture of the three sealing pieces; 2. when a certain channel needs to be blocked, if the fitting piece or the sealing piece is worn or corroded by fluid, and the like, which influences the sealing performance and the use, the other two fitting pieces or the sealing pieces can be selected for replacement.
Preferably, the packing ring material set up to the material that easily takes place to deform, like the material that easily takes place to deform such as butyronitrile glue, silica gel, it still has permanent compression deformation little on further improving the basis of the leakproofness between third fitting piece 11 and the valve body 2, anti extrusion ability is strong, advantages such as long service life.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. The utility model provides a wide needle valve of adaptation scope comprises switching element, valve body, valve rod, the valve rod wear to establish the valve body and with valve body screw-thread fit, switching element fixed mounting in the valve rod upside, the valve body in be provided with fluid passage, fluid passage be provided with and cut the fracture, the valve body be located fluid passage's the left and right sides and be provided with first fitting piece and second fitting piece respectively, first fitting piece in be provided with the first passageway that is linked together with fluid passage, the second fitting piece in be provided with the second passageway that is linked together with fluid passage, its characterized in that: the fluid passage be located and cut a mouthful downside and be provided with the reposition of redundant personnel passageway, still including the third fitting piece that is located the reposition of redundant personnel passageway downside, the third fitting piece in be provided with the third passageway that is linked together with the reposition of redundant personnel passageway, still including the first sealing member that is located first fitting piece, be located the second sealing member of second fitting piece and the third sealing member that is located the third fitting piece, first sealing member can dismantle with first fitting piece and be connected, the second sealing member can dismantle with the second fitting piece and be connected, the third sealing member can dismantle with the third fitting piece and be connected.
2. A wide range needle valve as defined in claim 1, wherein: the valve body be located the reposition of redundant personnel passageway and be provided with the installation cavity, the installation cavity be located the third fitting piece and be provided with the internal thread, third fitting piece periphery be provided with the external screw thread, third fitting piece and installation cavity screw-thread fit.
3. A wide range of needle valves as defined in claim 2, wherein: the third fitting piece is provided with a through groove for placing a third sealing element, screw holes are formed in the left side and the right side of the third sealing element, jacks are formed in the third fitting piece corresponding to the screw holes, and the third fitting piece further comprises a screw rod, wherein the screw rod penetrates through the jacks and is in threaded fit with the screw holes.
4. A wide range needle valve as defined in claim 3, wherein: the through groove is internally provided with a gasket, the gasket is provided with a through hole for the third sealing element to penetrate through, and the gasket is positioned on the upper side of the third sealing element.
5. A wide range needle valve as defined in claim 4, wherein: the gasket comprises a first section, a second section and a third section, wherein the diameter of the first section is larger than that of the through groove, the diameter of the second section is smaller than that of the through groove, the diameter of the third section is the same as that of the through groove, the first section abuts against the upper side of the third fitting piece, and the periphery of the third section abuts against the circumferential direction of the through groove.
6. A wide range needle valve as defined in claim 1, wherein: the first fitting piece, the second fitting piece and the third fitting piece are identical in shape and size, and the first sealing element, the second sealing element and the third sealing element are identical in shape and size.
7. A wide range of needle valves as defined in claim 4, wherein: the gasket material set up to the material that easily takes place deformation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221933025.3U CN217762187U (en) | 2022-07-23 | 2022-07-23 | Needle valve that adaptation range is wide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221933025.3U CN217762187U (en) | 2022-07-23 | 2022-07-23 | Needle valve that adaptation range is wide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217762187U true CN217762187U (en) | 2022-11-08 |
Family
ID=83877619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221933025.3U Active CN217762187U (en) | 2022-07-23 | 2022-07-23 | Needle valve that adaptation range is wide |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217762187U (en) |
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2022
- 2022-07-23 CN CN202221933025.3U patent/CN217762187U/en active Active
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