Plug seeding device flow control valve based on spiral fine adjustment structure

Abstract

The utility model relates to a plug seeding device flow control valve based on a spiral fine adjustment structure, which belongs to the technical field of plug seeding and comprises a valve body, a mounting frame is fixedly mounted at the top of the valve body, and a fixing column is fixedly connected to the top of the mounting frame. The beneficial effects of the utility model lie in that a worker can press the lifting plate, so that the insertion plate on the lifting plate is separated from the corresponding insertion slot, and at the moment, the worker can clockwise rotate the dial without limitation to the insertion slot corresponding to the flow speed scale, then loosen the lifting plate and drive the butterfly plate to rotate to a specific angle; by means of the structure, a worker can clearly know the current opening degree of the valve and the irrigation flow speed through the flow speed scales without the help of experience and feeling of the worker, the irrigation flow can be more accurate, the final irrigation flow can be obtained through calculation, the irrigation water amount between planting hole trays is made to be uniform, and the irrigation efficiency is improved. Therefore, the whole seedling raising success rate can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plug seeding, especially based on the plug seeding device flow control valve of screw fine adjustment structure. BACKGROUND

[0002] Plug seeding technology is a new seedling raising technology in facility agriculture, usually using plastic plug with holes as container, filling culture medium in the hole of plug, culture medium is usually solid light medium such as grass carbon, vermiculite and perlite, then a hole for seeding is punched in culture medium, finally seed is sown in the hole for seedling raising, and seedling is transplanted after being raised to semi-mature seedling or mature seedling in plug.

[0003] In traditional plug seeding device, most devices use manual valve to control water flow, and operator needs to adjust the opening of valve according to experience and feeling to achieve desired irrigation flow, however, different operators have different experience levels, even the same operator may have large error when adjusting at different times, which leads to uneven irrigation water among each planting plug, part of seed may rot due to too much water, and part may not germinate normally due to insufficient water, thus reducing the overall seedling success rate. UTILITY MODEL CONTENT

[0004] In view of the above problems in the prior art, the main purpose of the utility model is to provide plug seeding device flow control valve based on screw fine adjustment structure.

[0005] The technical scheme of the utility model is as follows: plug seeding device flow control valve based on screw fine adjustment structure, including valve body, the top of valve body is fixedly installed with mounting bracket, the top of mounting bracket is fixedly connected with fixed column, the inside of fixed column is rotatably connected with valve rod, the inside of valve rod is provided with butterfly plate, the outside of fixed column is slidably connected with lifting plate, the top of lifting plate is fixedly connected with plug-in plate, the top of valve rod is fixedly connected with handle, the top end of handle is fixedly connected with dial, the inside of dial is fixedly connected with several flow rate scales, the top end of dial is provided with several insertion grooves, the top end of plug-in plate is clamped with corresponding insertion groove.

[0006] Through the above technical scheme, the staff can make the dial without limit to rotate clockwise, make it rotate to the insertion groove of corresponding flow rate scale, loosen the lifting plate, at the same time, drive the butterfly plate to rotate to a certain angle, and through the reaction force of spring, push the lifting plate and plug-in plate to move up, so as to fix the dial by plug-in plate.

[0007] As a preferred implementation, several said slot and flow rate scale with scale center as the axis interval 30 degrees configuration, the outside of the fixed column is sleeved with spring, the spring is arranged between the lifting plate and the mounting frame.

[0008] By adopting the technical scheme, the spring is used to push the lifting plate to reset, drive the plug plate to move, and ensure the fixing purpose of the rotating handle.

[0009] As a preferred implementation, the inside of the fixed column is provided with a limiting assembly, the limiting assembly includes limiting grooves opened at both ends of the fixed column, and limiting blocks fixedly connected to both ends of the inner wall of the lifting plate.

[0010] By adopting the technical scheme, the limiting groove and the limiting block are used in cooperation to limit the lifting plate vertically.

[0011] As a preferred implementation, the bottom end of the valve rod extends to the inside of the valve body, the bottom end of the valve rod is provided with a locking bolt, and the valve rod and the butterfly plate are connected through the locking bolt.

[0012] By adopting the technical scheme, the locking bolt is used to reinforce the butterfly plate.

[0013] As a preferred implementation, the valve rod is rotatably connected with the inside of the mounting frame, the outside of the butterfly plate is fixedly connected with a sealing rubber strip, and the sealing rubber strip is made of EPDM material.

[0014] By adopting the technical scheme, the sealing rubber strip is used to increase the sealing performance of the periphery of the butterfly plate.

[0015] As a preferred implementation, the top of the rotating handle is fixedly connected with a handle, and the outside of the lifting plate is fixedly connected with a pressing handle.

[0016] By adopting the technical scheme, the handle is used to rotate the rotating handle, so as to control the flow in the valve body.

[0017] As a preferred implementation, one end of the valve body is fixedly connected with a water inlet pipe, and the other end of the valve body is fixedly connected with a water outlet pipe.

[0018] By adopting the technical scheme, the water inlet pipe and the water outlet pipe are used to connect the flow control valve with the external water pipe.

[0019] Compared with the prior art, the advantages and positive effects of the utility model lie in,

[0020] 1. The utility model discloses a flow control valve for the hole disc sowing device, which comprises a valve body, a handle, a valve rod, a locking bolt, a scale disc, a fixed column, a lifting plate, a spring, a pressing handle, a butterfly plate and a plug plate. 1. In the use of the flow control valve, the staff can press the lifting plate, so that the plug plate on the lifting plate is separated from the corresponding plug slot. At this time, the staff can make the scale disc without limiting rotate clockwise, and make it rotate to the plug slot of the corresponding flow rate scale, and then release the lifting plate. At the same time, the butterfly plate will be rotated to a specific angle, and the lifting plate and the plug plate will be pushed up by the reaction force of the spring, so as to fix the scale disc by the plug plate. Through the above structure, the staff can clearly understand the opening of the valve and the irrigation flow rate through the flow rate scale, without relying on their own experience and feeling. The irrigation flow can be more accurate, and the final irrigation flow can be obtained by calculation, so that the irrigation water amount between each planting hole disc is more uniform, thereby improving the overall seedling success rate.

[0021] 2. The utility model discloses a limiting groove and limiting block are used in cooperation, can play a certain limiting effect to the lifting plate, can make the plug plate vertical lifting, avoid the lifting plate to occur autogyration. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 The utility model provides a whole perspective drawing of the hole disc sowing device flow control valve based on the screw fine adjustment structure.

[0023] Figure 2 The utility model provides a hole disc sowing device flow control valve based on the screw fine adjustment structure.

[0024] Figure 3 The utility model provides a hole disc sowing device flow control valve based on the screw fine adjustment structure.

[0025] Figure 4 The utility model provides a hole disc sowing device flow control valve based on the screw fine adjustment structure. Figure 1 The utility model provides a hole disc sowing device flow control valve based on the screw fine adjustment structure.

[0026] Legend: 1, valve body; 2, water inlet pipe; 3, water outlet pipe; 4, mounting frame; 5, handle; 6, scale disc; 7, handle; 8, fixed column; 9, lifting plate; 10, spring; 11, pressing handle; 12, butterfly plate; 13, valve rod; 14, locking bolt; 15, plug slot; 16, flow rate scale; 17, limiting groove; 18, limiting block; 19, plug plate. DETAILED DESCRIPTION

[0027] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0028] With reference to Figures 1-4 The flow control valve of the hole disc seeding device based on the screw fine adjustment structure comprises a valve body 1, a mounting frame 4 fixedly installed at the top of the valve body 1, a fixed column 8 fixedly connected to the top of the mounting frame 4, a valve rod 13 rotationally connected to the inside of the fixed column 8, a butterfly plate 12 arranged in the valve rod 13, a lifting plate 9 slidingly connected to the outside of the fixed column 8, a plug plate 19 fixedly connected to the top of the lifting plate 9, a rotating handle 5 fixedly connected to the top of the valve rod 13, a scale disc 6 fixedly connected to the inside of the rotating handle 5, a plurality of flow rate scales 16 fixedly connected to the inside of the scale disc 6, a plurality of insertion slots 15 formed in the top end of the scale disc 6, and the top end of the plug plate 19 is clamped with the corresponding insertion slot 15. When the flow control valve is used, the staff can press the lifting plate 9, so that the plug plate 19 on the lifting plate 9 is separated from the corresponding insertion slot 15. At this time, the staff can make the scale disc 6 without limiting position rotate clockwise, and then release the lifting plate 9 after the scale disc 6 is rotated to the insertion slot 15 corresponding to the flow rate scale 16. At the same time, the butterfly plate 12 is also rotated to a specific angle, and the lifting plate 9 and the plug plate 19 are pushed upward by the reaction force of the spring 10, so as to fix the scale disc 6 by the plug plate 19. Through the above structure, the staff can clearly understand the opening of the valve and the irrigation flow rate through the flow rate scale 16, without relying on their own experience and feeling, so as to make the irrigation flow more accurate. The final irrigation flow can also be obtained by calculation, so that the irrigation water volume between each planting hole disc is more uniform, thereby improving the overall seedling success rate.

[0029] Specifically, the plurality of insertion slots 15 and the flow rate scales 16 are arranged at intervals of 30 degrees with the center of the scale disc 6 as the axis. The outside of the fixed column 8 is sleeved with the spring 10. Through the use of the spring 10, the lifting plate 9 can be reset to drive the plug plate 19 to move, thereby ensuring the fixing purpose of the rotating handle 5. The spring 10 is arranged between the lifting plate 9 and the mounting frame 4. The inside of the fixed column 8 is provided with a limiting assembly. The limiting assembly comprises limiting grooves 17 formed in both ends of the inside of the fixed column 8. Through the cooperation of the limiting grooves 17 and the limiting blocks 18, the lifting plate 9 can be limited to a certain extent, so that the plug plate 19 can vertically ascend, and the lifting plate 9 is prevented from rotating. Both ends of the inner wall of the lifting plate 9 are fixedly connected with the limiting blocks 18, and the limiting blocks 18 are clamped with the corresponding limiting grooves 17.

[0030] Specific, the bottom end of the valve stem 13 extends to the inside of the valve body 1, the bottom end of the valve stem 13 is provided with locking bolt 14, through the use of locking bolt 14, in order to staff on the butterfly plate 12 reinforcement, the valve stem 13 and butterfly plate 12 through the locking bolt 14 connection, the valve stem 13 and the inside of the mounting bracket 4 rotating connection, the outside of the butterfly plate 12 is fixedly connected with sealing rubber strip, through the use of sealing rubber strip, can increase the sealing performance of the periphery of the butterfly plate 12, to avoid water from the gap leakage, sealing rubber strip is three yuan ethylene propylene material, the top of the handle 5 is fixedly connected with the handle 7, through the use of handle 7, in order to staff on the handle 5 rotation, in order to control the flow in the valve body 1, the outside of the lifting plate 9 is fixedly connected with the press 11, one end of the valve body 1 is fixedly connected with the inlet pipe 2, through the use of inlet pipe 2 and outlet pipe 3, can be convenient for the flow control valve and external water pipe connection, the other end of the valve body 1 is fixedly connected with the outlet pipe 3.

[0031] Working principle: first, in the use of the flow control valve, staff can be connected with the external water pipe through the inlet pipe 2 and outlet pipe 3, and press the press 11, to drive the lifting plate 9 to move down, so that the spring 10 is extruded and tight, in turn can make the lifting plate 9 on the plug 19 and the corresponding plug slot 15 off, at this time, the staff can make the cancel limit dial 6 clockwise rotation, make it rotate to the corresponding flow rate scale 16 plug slot 15 after lifting plate 9 loose, to Figure 3 For example, from the handle 7 of the flow rate scale 16, the degree is 0 degree, 30 degrees, 60 degrees, 90 degrees, 120 degrees, 150 degrees and 180 degrees, the flow rate value is 0 m / s, 1 m / s, 2 m / s, 4 m / s, 2 m / s, 1 m / s and 0 m / s, and the flow rate and time can be calculated by multiplying the irrigation flow, at the same time, drive the butterfly plate 12 to rotate to a certain angle, and through the reaction force of the spring 10, push the lifting plate 9 and the plug 19 to move up, in order to achieve the purpose of fixing the dial 6 by the plug 19, and through the cooperation of the limiting groove 17 and the limiting block 18, can play a certain limiting effect on the lifting plate 9, can make the plug 19 vertical lifting, avoid the lifting plate 9 rotation, through the above structure, staff can clearly understand the current opening of the valve and the irrigation flow rate through the flow rate scale 16, without the help of their own experience and feeling, can make the irrigation flow more accurate, also can get the final irrigation flow, so that the irrigation water between each planting hole is more uniform.

[0032] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, the term "installation" "is provided with" "connection" and the like, should do broad sense understanding, for example "connection", can be fixed connection, also can be detachable connection, or integral connection;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be two elements inside the communication, for the ordinary skill in the art, the specific meaning of the above terms in the utility model can be understood according to the specific situation.

[0033] The above is only the preferred embodiment of the present application and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement for some technical features therein, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A flow control valve for a plug seeding device based on a helical fine adjustment structure, comprising a valve body (1), characterized in that: The top of the valve body (1) is fixedly provided with a mounting rack (4), the top of the mounting rack (4) is fixedly connected with a fixed column (8), the inside of the fixed column (8) is rotatably connected with a valve rod (13), the inside of the valve rod (13) is provided with a butterfly plate (12), the outside of the fixed column (8) is slidably connected with a lifting plate (9), the top of the lifting plate (9) is fixedly connected with a plug plate (19), the top of the valve rod (13) is fixedly connected with a rotating handle (5), the top of the rotating handle (5) is fixedly connected with a scale disc (6), the inside of the scale disc (6) is fixedly connected with a plurality of flow rate scales (16), a plurality of insertion grooves (15) are formed in the top of the scale disc (6), and the top of the plug plate (19) is clamped with the corresponding insertion groove (15).

2. The flow control valve for a plug seeding device based on a helical fine tuning structure according to claim 1, characterized in that: A plurality of insertion grooves (15) and flow rate scales (16) are arranged at intervals of 30 degrees with the center of the scale disc (6) as the shaft, the outside of the fixed column (8) is sleeved with a spring (10), and the spring (10) is arranged between the lifting plate (9) and the mounting rack (4).

3. The flow control valve for a plug planter based on a helical fine tuning structure according to claim 1, characterized in that: The inside of the fixed column (8) is provided with a limiting assembly, the limiting assembly comprises limiting grooves (17) formed in both ends of the inside of the fixed column (8), both ends of the inner wall of the lifting plate (9) are fixedly connected with limiting blocks (18), and the limiting blocks (18) are clamped with the corresponding limiting grooves (17).

4. The flow control valve for a plug planter based on a helical fine tuning structure according to claim 1, characterized in that: The bottom end of the valve rod (13) extends to the inside of the valve body (1), the bottom end of the valve rod (13) is provided with a locking bolt (14), and the valve rod (13) and the butterfly plate (12) are connected through the locking bolt (14).

5. The flow control valve for a plug planter based on a helical fine tuning structure according to claim 1, characterized in that: The inside of the valve rod (13) and the mounting rack (4) is rotatably connected, the outside of the butterfly plate (12) is fixedly connected with a sealing rubber strip, and the sealing rubber strip is made of EPDM material.

6. The flow control valve for a plug planter based on a helical fine tuning structure according to claim 1, characterized in that: The top of the rotating handle (5) is fixedly connected with a handle (7), and the outside of the lifting plate (9) is fixedly connected with a pressing handle (11).

7. The flow control valve for a plug planter based on a helical fine tuning structure according to claim 1, characterized in that: One end of the valve body (1) is fixedly connected with a water inlet pipe (2), and the other end of the valve body (1) is fixedly connected with a water outlet pipe (3).

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