CN112780784A - Throttle valve for agricultural planting drip irrigation system - Google Patents
Throttle valve for agricultural planting drip irrigation system Download PDFInfo
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- CN112780784A CN112780784A CN202011617765.1A CN202011617765A CN112780784A CN 112780784 A CN112780784 A CN 112780784A CN 202011617765 A CN202011617765 A CN 202011617765A CN 112780784 A CN112780784 A CN 112780784A
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- Prior art keywords
- valve body
- sealing
- drip irrigation
- welded
- pipe
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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
- F16K1/02—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 with screw-spindle
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/02—Watering arrangements located above the soil which make use of perforated pipe-lines or pipe-lines with dispensing fittings, e.g. for drip irrigation
- A01G25/023—Dispensing fittings for drip irrigation, e.g. drippers
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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
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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
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
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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
- F16K27/08—Guiding yokes for spindles; Means for closing housings; Dust caps, e.g. for tyre valves
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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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L21/00—Joints with sleeve or socket
- F16L21/02—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Water Supply & Treatment (AREA)
- Environmental Sciences (AREA)
- Sliding Valves (AREA)
Abstract
The invention provides a throttling valve for an agricultural planting drip irrigation system, relates to the technical field of agricultural irrigation, and solves the problems that the auxiliary fixation of a water inlet pipe and a water outlet pipe cannot be realized when the water inlet pipe and the water outlet pipe are connected, and a gap is easy to appear at the joint under the action of the self gravity of the water inlet pipe and the water outlet pipe; the sealing valve can only realize single sealing and adjustment, and the double-sealing adjustment with the same structure cannot be realized through structural improvement. The throttle valve for the agricultural planting drip irrigation system comprises a valve body, a sealing ring and a cover plate; the valve body is welded with a water inlet pipe and a water outlet pipe. A sealing gasket A is also embedded in the cover plate, and the sealing gasket A is in a compression state after the cover plate and the valve body are fixed; the cross section of the sealing ring is of an inverted L-shaped structure, so that the contact area between the sealing ring and the sealing gasket A can be increased, and the sealing effect is improved.
Description
Technical Field
The invention belongs to the technical field of field irrigation, and particularly relates to a throttling valve for an agricultural planting drip irrigation system.
Background
The valve is a device for controlling the direction, pressure and flow of fluid in a fluid system, which can control the flow of the medium (liquid, gas and powder) in the piping and equipment by flowing or stopping the medium, and a control part in a fluid conveying system through a pipeline, which is used for changing the passage section and the flow direction of the medium and has the functions of diversion, cut-off, throttling, check, flow splitting, overflow pressure relief and the like.
As in application No.: CN201010589043.X, the invention discloses a throttle valve, which comprises a valve body, a valve core and an adjusting rod, wherein the valve core is arranged in the valve body; the outer diameter of the head of the upper end of the valve body is larger than that of the part below the head, the part below the head of the valve body is provided with external threads, the valve wall of the part below the head of the valve body is provided with a plurality of transverse channels, the valve body is vertically penetrated, the part of the adjusting rod from top to bottom is arranged in the valve body and props against one end of the valve core, the other end of the valve core is connected with one end of a spring I, and the other end of the spring I is fixed at an opening at. By adopting the invention, the throttle valve can play the role of a common throttle valve; meanwhile, the external shape of the valve body is equivalent to a hinged bolt, and the valve body can play a role in connecting hydraulic parts and pipelines, so that the valve integrates the hinged bolt and the throttle valve into a whole.
The throttle valve similar to the above application has the following disadvantages at present:
firstly, the cover plate and the valve body of the existing device are often simply fixed through bolts when being connected, the sealing effect is poor, and the sealing effect cannot be improved through structural improvement; secondly, the water inlet pipe and the water outlet pipe of the existing device are often incapable of realizing auxiliary fixation of the water inlet pipe and the water outlet pipe when being connected, and a gap is easily caused at the joint under the action of self gravity of the water inlet pipe and the water outlet pipe, so that the sealing performance is reduced; moreover, the valve body has a single structure, and the existing device can only realize single sealing and adjustment through the sealing valve and cannot realize double sealing adjustment of the same structure through structural improvement.
Therefore, in view of the above, research and improvement are made for the existing structure and defects, and a throttle valve for an agricultural planting drip irrigation system is provided, so as to achieve the purpose of higher practical value.
Disclosure of Invention
In order to solve the technical problems, the invention provides a throttling valve for an agricultural planting drip irrigation system, which aims to solve the problems that the sealing effect is poor in the prior art, firstly, a cover plate and a valve body of the prior device are often fixed through bolts when connected, the sealing effect is poor, and the sealing effect cannot be improved through structural improvement; secondly, the water inlet pipe and the water outlet pipe of the existing device are often incapable of realizing auxiliary fixation of the water inlet pipe and the water outlet pipe when being connected, and a gap is easily caused at the joint under the action of self gravity of the water inlet pipe and the water outlet pipe, so that the sealing performance is reduced; moreover, the valve body has a single structure, and the existing device can only realize single sealing and adjustment through the sealing valve and cannot realize double sealing adjustment of the same structure through structural improvement.
The purpose and the effect of the throttle valve for the agricultural planting drip irrigation system are achieved by the following specific technical means:
the throttle valve for the agricultural planting drip irrigation system comprises a valve body, a sealing ring and a cover plate; a water inlet pipe is welded on the valve body, and a water drain pipe is also welded on the valve body; the valve body is in threaded connection with an adjusting rod, the adjusting rod is rotatably connected with a sealing block, and the valve body is symmetrically welded with two fixing structures; the valve body comprises a sealing gasket A, a sealing gasket A is also embedded in the cover plate, and the sealing gasket A is in a compression state after the cover plate and the valve body are fixed; the section of the sealing ring is of an inverted L-shaped structure; the valve body further comprises a sleeve and a sealing gasket B, the sleeve is welded on the top end face of the valve body at the bolt hole, the sleeve and the cover plate are in a sealed splicing relationship after the valve body and the cover plate are fixed, and a locking bolt is inserted in the sleeve; and a sealing gasket B is adhered to the top end face of the sleeve, and is in a tight-pushing state after the valve body and the cover plate are fixed.
Further, the valve body comprises a baffle plate, the valve body is welded with the baffle plate, and the top end face of the baffle plate is in contact with the sealing block; when the sealing block contacts with the top end face of the baffle plate, the sealing block also contacts with the outer wall of the water inlet pipe, the valve body is in a sealing state at the moment, and the sealing block also contacts with the head end of the water discharge pipe.
Further, the valve body still includes sealing ring and apron, the welding of valve body top end face has a sealing ring, and still passes through apron of bolt fixedly connected with on the valve body to the auxiliary seal structure is constituteed jointly to the inner wall of sealing ring and apron.
Furthermore, the valve body also comprises a clamping groove, the clamping groove is formed in the position, located at the bolt hole, of the valve body, and the clamping groove is of a hexagonal structure; the clamping groove is matched with the shape of the bolt head on the locking bolt, and the clamping groove forms an auxiliary limiting structure of the locking bolt.
Furthermore, the water inlet pipe comprises an annular cover A and a groove A, the annular cover A is welded at the position of the water inlet pipe connector, the groove A is formed in the annular cover A, and the groove A is of a conical groove-shaped structure; when the water inlet pipe is connected with the drip irrigation water pipe, the connector of the drip irrigation water pipe is contacted with the inner wall of the annular cover A, and the annular cover A forms an auxiliary sealing structure of the drip irrigation water pipe.
Further, the drain pipe comprises an annular cover B and a groove B, the annular cover B is welded at the position of the drain pipe connector, the groove B is formed in the annular cover A, and the groove B is of a conical groove-shaped structure; when the drain pipe is connected with the drip irrigation water pipe, the connector of the drip irrigation water pipe is contacted with the inner wall of the annular cover B, and the annular cover B forms an auxiliary sealing structure of the drip irrigation water pipe.
Furthermore, the water inlet pipe also comprises a guide block A, and the annular cover A is welded with the guide block A; the drain pipe also comprises a guide block B, the annular cover B is welded with the guide block B, the guide block B and the guide block A are matched with a connecting clamping groove on the drip irrigation water pipe, and the head ends of the guide block B and the guide block A are of conical structures.
Furthermore, the fixing structure comprises two fixing arms and a hoop, and the two fixing arms are welded on the valve body; all the welding has a clamp on two fixed arms, and works as the clamp and drips the fixed back of water pipe of watering and drip the water pipe and adjust well with inlet tube and drain pipe position to fixed arm and clamp have constituteed the supplementary fixed knot structure of inlet tube and drain pipe jointly.
Compared with the prior art, the invention has the following beneficial effects:
the connecting structure of the valve body and the cover plate is improved, firstly, a sealing ring is welded on the top end face of the valve body, the cover plate is fixedly connected to the valve body through a bolt, and the sealing ring and the inner wall of the cover plate form an auxiliary sealing structure together; secondly, a sealing gasket A is also embedded in the cover plate, and the sealing gasket A is in a compression state after the cover plate and the valve body are fixed; the cross section of the sealing ring is of an inverted L-shaped structure, so that the contact area between the sealing ring and the sealing gasket A can be increased, and the sealing effect is improved.
The connection structure of the valve body, the water inlet pipe and the water outlet pipe is improved, namely, the first connection structure is that the connector of the drip irrigation water pipe is contacted with the inner wall of the annular cover A when the water inlet pipe is connected with the drip irrigation water pipe, and the annular cover A forms an auxiliary sealing structure of the drip irrigation water pipe; secondly, when the drain pipe is connected with the drip irrigation water pipe, the connector of the drip irrigation water pipe is contacted with the inner wall of the annular cover B, and the annular cover B forms an auxiliary sealing structure of the drip irrigation water pipe; thirdly, the head ends of the guide block B and the guide block A are both in a conical structure, so that the smoothness of the drip irrigation water pipe when the drip irrigation water pipe is connected with the water inlet pipe and the water outlet pipe can be improved; fourthly, because of all welding has a clamp on two fixed arms, and when the clamp with drip the fixed back of water pipe and drip the water pipe and manage and adjust well with inlet tube and drain pipe position to fixed arm and clamp have constituteed the supplementary fixed knot structure of inlet tube and drain pipe jointly, thereby can prevent that inlet tube and drain pipe atress from leading to and valve body department sealed effect reduces.
The adjusting structure is improved, and the valve body is welded with the baffle, and the top end face of the baffle is contacted with the sealing block; still contact with the outer wall of inlet tube when sealed piece and baffle top end face contact, and the valve body is in encapsulated situation this moment to sealed piece still contacts with the head end of drain pipe, thereby can realize dual shutting regulation first.
Drawings
Fig. 1 is a schematic front view of the present invention.
Fig. 2 is a schematic cross-sectional structure of the present invention.
Fig. 3 is a schematic diagram of the modified structure of fig. 2 according to the present invention.
Fig. 4 is an enlarged schematic view of fig. 3 a according to the present invention.
Fig. 5 is an enlarged view of the structure of fig. 3B according to the present invention.
Fig. 6 is an enlarged view of the structure of fig. 3C according to the present invention.
Fig. 7 is an enlarged view of fig. 3D according to the present invention.
Fig. 8 is a right side view schematically showing the structure of the drain pipe of the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. a valve body; 101. a baffle plate; 102. a seal ring; 103. a cover plate; 104. a gasket A; 105. a sleeve; 106. a gasket B; 107. a card slot; 2. a water inlet pipe; 201. an annular shield A; 202. a groove A; 203. a guide block A; 3. a drain pipe; 301. an annular cover B; 302. a groove B; 303. a guide block B; 4. adjusting a rod; 5. a sealing block; 6. locking the bolt; 7. a fixed structure; 701. a fixed arm; 702. clamping a hoop; 8. a drip irrigation water pipe.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 8:
the invention provides a throttling valve for an agricultural planting drip irrigation system, which comprises a valve body 1, a sealing ring 102 and a cover plate 103; a water inlet pipe 2 is welded on the valve body 1, and a water outlet pipe 3 is also welded on the valve body 1; the valve body 1 is in threaded connection with an adjusting rod 4, the adjusting rod 4 is in rotary connection with a sealing block 5, and the valve body 1 is symmetrically welded with two fixing structures 7; referring to fig. 5, the valve body 1 includes a gasket a104, a gasket a104 is further embedded in the cover plate 103, and the gasket a104 is in a compressed state after the cover plate 103 and the valve body 1 are fixed; the section of the sealing ring 102 is of an inverted L-shaped structure, so that the contact area between the sealing ring 102 and the sealing gasket A104 can be increased, and the sealing effect is improved; referring to fig. 3 and 4, the valve body 1 further includes a sleeve 105 and a gasket B106, the sleeve 105 is welded on the top end surface of the valve body 1 at the position of the bolt hole, and after the valve body 1 and the cover plate 103 are fixed, the sleeve 105 and the cover plate 103 are in a sealed inserting connection, and the locking bolt 6 is inserted in the sleeve 105; the top end face of the sleeve 105 is adhered with a sealing gasket B106, and the sealing gasket B106 is in a tight-pushing state after the valve body 1 and the cover plate 103 are fixed, so that the sealing of the thread of the locking bolt 6 can be realized, and the phenomenon that the thread of the locking bolt 6 is corroded due to the overflow of the joint of the valve body 1 and the cover plate 103 is prevented.
Referring to fig. 3, the valve body 1 comprises a baffle 101, the baffle 101 is welded on the valve body 1, and the top end surface of the baffle 101 is in contact with the sealing block 5; when the sealing block 5 contacts with the top end face of the baffle 101, the sealing block is also contacted with the outer wall of the water inlet pipe 2, the valve body 1 is in a sealing state at the moment, and the sealing block 5 is also contacted with the head end of the water outlet pipe 3, so that double locking adjustment can be realized at first.
Referring to fig. 5, the valve body 1 further includes a sealing ring 102 and a cover plate 103, the sealing ring 102 is welded on the top end face of the valve body 1, the cover plate 103 is fixedly connected to the valve body 1 through a bolt, and the sealing ring 102 and the inner wall of the cover plate 103 together form an auxiliary sealing structure.
Referring to fig. 3 and 7, the valve body 1 further includes a clamping groove 107, the clamping groove 107 is formed at a position of the bolt hole on the valve body 1, and the clamping groove 107 is of a hexagonal structure; the clamping groove 107 is matched with the shape of the bolt head on the locking bolt 6, and the clamping groove 107 forms an auxiliary limiting structure of the locking bolt 6, so that the convenience of fastening the locking bolt 6 is improved.
Referring to fig. 3 and 6, the water inlet pipe 2 comprises an annular cover a201 and a groove a202, the annular cover a201 is welded at the position of the joint of the water inlet pipe 2, the groove a202 is welded on the annular cover a201, and the groove a202 is in a tapered groove-shaped structure; when the water inlet pipe 2 is connected with the drip irrigation water pipe 8, the connector of the drip irrigation water pipe 8 is contacted with the inner wall of the annular cover A201, and the annular cover A201 forms an auxiliary sealing structure of the drip irrigation water pipe 8.
Referring to fig. 3 and 6, the drain pipe 3 comprises an annular cover B301 and a groove B302, the annular cover B301 is welded at the joint of the drain pipe 3, the groove B302 is formed in the annular cover a201, and the groove B302 is in a tapered groove-shaped structure; when the drain pipe 3 is connected with the drip irrigation water pipe 8, the connector of the drip irrigation water pipe 8 is contacted with the inner wall of the annular cover B301, and the annular cover B301 forms an auxiliary sealing structure of the drip irrigation water pipe 8.
Referring to fig. 6 and 8, the water inlet pipe 2 further includes a guide block a203, and the annular cover a201 is welded with the guide block a 203; the drain pipe 3 further comprises a guide block B303, the annular cover B301 is welded with the guide block B303, the guide block B303 and the guide block A203 are matched with a connecting clamping groove on the drip irrigation water pipe 8, and the head ends of the guide block B303 and the guide block A203 are both in a conical structure, so that the smoothness of the drip irrigation water pipe 8 when being connected with the water inlet pipe 2 and the drain pipe 3 can be improved.
Referring to fig. 3, the fixing structure 7 includes two fixing arms 701 and a clamp 702, and the two fixing arms 701 are welded to the valve body 1; all the welding has a clamp 702 on two fixed arms 701, and works as clamp 702 and the fixed back of drip irrigation water pipe 8 and advance water pipe 2 and drain pipe 3 position and adjust well to fixed arm 701 and clamp 702 have constituteed the supplementary fixed knot structure of advance water pipe 2 and drain pipe 3 jointly, thereby can prevent that advance water pipe 2 and drain pipe 3 atress from leading to the sealed effect reduction of 1 department of valve body.
The specific use mode and function of the embodiment are as follows:
when the valve is used, when the valve is adjusted to be opened and closed, the valve body 1 is welded with the baffle 101, and the top end face of the baffle 101 is in contact with the sealing block 5; when the sealing block 5 is contacted with the top end face of the baffle 101, the sealing block is also contacted with the outer wall of the water inlet pipe 2, the valve body 1 is in a sealing state at the moment, and the sealing block 5 is also contacted with the head end of the water outlet pipe 3, so that double locking adjustment can be realized;
when the valve body 1 and the cover plate 103 are fixed, firstly, a sealing ring 102 is welded on the top end face of the valve body 1, the cover plate 103 is fixedly connected to the valve body 1 through a bolt, and the sealing ring 102 and the inner wall of the cover plate 103 form an auxiliary sealing structure together; secondly, a sealing gasket A104 is also embedded in the cover plate 103, and the sealing gasket A104 is in a compression state after the cover plate 103 and the valve body 1 are fixed; the section of the sealing ring 102 is of an inverted L-shaped structure, so that the contact area between the sealing ring 102 and the sealing gasket A104 can be increased, and the sealing effect is improved;
when the water inlet pipe 2 and the water outlet pipe 3 are connected, firstly, when the water inlet pipe 2 is connected with the drip irrigation water pipe 8, the connector of the drip irrigation water pipe is contacted with the inner wall of the annular cover A201, and the annular cover A201 forms an auxiliary sealing structure of the drip irrigation water pipe 8; secondly, when the drain pipe 3 is connected with the drip irrigation water pipe 8, the connector of the drip irrigation water pipe is contacted with the inner wall of the annular cover B301, and the annular cover B301 forms an auxiliary sealing structure of the drip irrigation water pipe 8; thirdly, the head ends of the guide block B303 and the guide block A203 are both in a conical structure, so that the smoothness of the drip irrigation water pipe 8 when being connected with the water inlet pipe 2 and the water outlet pipe 3 can be improved; fourthly, all weld a clamp 702 on two fixed arms 701, and work as clamp 702 and the fixed back of drip irrigation water pipe 8 and advance water pipe 2 and drain pipe 3 position and aim at well to fixed arm 701 and clamp 702 have constituteed the supplementary fixed knot structure of inlet tube 2 and drain pipe 3 jointly, thereby can prevent that inlet tube 2 and drain pipe 3 atress from leading to the sealed effect reduction with valve body 1 department.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (8)
1. Agricultural planting is choke valve for drip irrigation system, its characterized in that: comprises a valve body (1), a sealing ring (102) and a cover plate (103); a water inlet pipe (2) is welded on the valve body (1), and a water drain pipe (3) is also welded on the valve body (1); the valve body (1) is in threaded connection with an adjusting rod (4), the adjusting rod (4) is in rotary connection with a sealing block (5), and the valve body (1) is symmetrically welded with two fixing structures (7); the valve body (1) comprises a sealing gasket A (104), a sealing gasket A (104) is further embedded in the cover plate (103), and the sealing gasket A (104) is in a compression state after the cover plate (103) and the valve body (1) are fixed; the section of the sealing ring (102) is of an inverted L-shaped structure; the valve body (1) further comprises a sleeve (105) and a sealing gasket B (106), the sleeve (105) is welded at the position, located in the bolt hole, of the top end face of the valve body (1), the sleeve (105) is in a sealed inserting connection with the cover plate (103) after the valve body (1) and the cover plate (103) are fixed, and a locking bolt (6) is inserted into the sleeve (105); a sealing gasket B (106) is adhered to the top end face of the sleeve (105), and the sealing gasket B (106) is in a tightly-pushed state after the valve body (1) and the cover plate (103) are fixed.
2. The agricultural planting drip irrigation system throttling valve of claim 1, wherein: the valve body (1) comprises a baffle (101), the baffle (101) is welded on the valve body (1), and the top end face of the baffle (101) is in contact with the sealing block (5); when the sealing block (5) is in contact with the top end face of the baffle (101), the sealing block is also in contact with the outer wall of the water inlet pipe (2), the valve body (1) is in a sealing state at the moment, and the sealing block (5) is also in contact with the head end of the water outlet pipe (3).
3. The agricultural planting drip irrigation system throttling valve of claim 1, wherein: the valve body (1) further comprises a sealing ring (102) and a cover plate (103), the sealing ring (102) is welded on the top end face of the valve body (1), the cover plate (103) is fixedly connected to the valve body (1) through a bolt, and the sealing ring (102) and the inner wall of the cover plate (103) jointly form an auxiliary sealing structure.
4. The agricultural planting drip irrigation system throttling valve of claim 1, wherein: the valve body (1) further comprises a clamping groove (107), the clamping groove (107) is formed in the position, located in the bolt hole, of the valve body (1), and the clamping groove (107) is of a hexagonal structure; the clamping groove (107) is matched with the shape of the bolt head on the locking bolt (6), and the clamping groove (107) forms an auxiliary limiting structure of the locking bolt (6).
5. The agricultural planting drip irrigation system throttling valve of claim 1, wherein: the water inlet pipe (2) comprises an annular cover A (201) and a groove A (202), the annular cover A (201) is welded at the position of a connector of the water inlet pipe (2), the groove A (202) is welded on the annular cover A (201), and the groove A (202) is of a conical groove-shaped structure; when the water inlet pipe (2) is connected with the drip irrigation water pipe (8), the connector of the drip irrigation water pipe (8) is contacted with the inner wall of the annular cover A (201), and the annular cover A (201) forms an auxiliary sealing structure of the drip irrigation water pipe (8).
6. The agricultural planting drip irrigation system throttling valve of claim 1, wherein: the drain pipe (3) comprises an annular cover B (301) and a groove B (302), the annular cover B (301) is welded at the position of a connector of the drain pipe (3), the groove B (302) is formed in the annular cover A (201), and the groove B (302) is of a conical groove-shaped structure; when the drain pipe (3) is connected with the drip irrigation water pipe (8), the connector of the drip irrigation water pipe (8) is contacted with the inner wall of the annular cover B (301), and the annular cover B (301) forms an auxiliary sealing structure of the drip irrigation water pipe (8).
7. The agricultural planting drip irrigation system throttling valve of claim 5, wherein: the water inlet pipe (2) further comprises a guide block A (203), and the guide block A (203) is welded on the annular cover A (201); the drain pipe (3) further comprises a guide block B (303), the annular cover B (301) is welded with the guide block B (303), the guide block B (303) and the guide block A (203) are matched with a connecting clamping groove on the drip irrigation water pipe (8), and the head ends of the guide block B (303) and the guide block A (203) are of conical structures.
8. The agricultural planting drip irrigation system throttling valve of claim 1, wherein: the fixing structure (7) comprises two fixing arms (701) and a clamp (702), the two fixing arms (701) are arranged, and the two fixing arms (701) are welded on the valve body (1); all welded on two fixed arms (701) have a clamp (702), and work as clamp (702) and drip the fixed back of water pipe (8) of watering and drip water pipe (8) and drip the water pipe (8) and align with inlet tube (2) and drain pipe (3) position to fixed arm (701) and clamp (702) have constituteed the supplementary fixed knot structure of inlet tube (2) and drain pipe (3) jointly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011617765.1A CN112780784A (en) | 2020-12-30 | 2020-12-30 | Throttle valve for agricultural planting drip irrigation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011617765.1A CN112780784A (en) | 2020-12-30 | 2020-12-30 | Throttle valve for agricultural planting drip irrigation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112780784A true CN112780784A (en) | 2021-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011617765.1A Pending CN112780784A (en) | 2020-12-30 | 2020-12-30 | Throttle valve for agricultural planting drip irrigation system |
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| Country | Link |
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| CN (1) | CN112780784A (en) |
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