CN210016939U

CN210016939U - Valve opening control mechanism of lawn fertilizer applicator

Info

Publication number: CN210016939U
Application number: CN201920463960.XU
Authority: CN
Inventors: 周忠旺; 嵇正波; 周志轩; 朱韬
Original assignee: XINGHUA TAILIN MACHINERY Co Ltd
Current assignee: XINGHUA TAILIN MACHINERY Co Ltd
Priority date: 2019-04-08
Filing date: 2019-04-08
Publication date: 2020-02-07
Anticipated expiration: 2029-04-08

Abstract

The utility model discloses a valve opening control mechanism of a lawn fertilizer applicator, which is arranged on a fertilizer applicator product and comprises a four-bar mechanism and a fertilizer applicator, wherein the four-bar mechanism consists of a wrench, a connecting rod, a rotating plate, a hand push handle and a hopper box, the rotating plate is respectively connected with a valve push-pull rod and a valve limiting rod, and the valve push-pull rod is connected with a valve arranged on a valve guide rail seat; the material leaking plate is arranged below the hopper box, material leaking holes are formed in the material leaking plate and the bottom of the hopper box respectively, the valve limiting rod is arranged on the limiting guide rail bracket, a reset spring is sleeved on the valve limiting rod, and a limiting pin is arranged at the top of the valve limiting rod; the utility model discloses at the lawn in the maintenance process, can realize the regulation of fertilization volume, satisfy the valve and open the control of size, the many machines walking in-process that this operating mechanism can guarantee simultaneous working are thrown the fertilizer volume that spills the same, realize the accurate measurement of fertilizer volume, and the volume of applying fertilizer at every turn can obtain controlling, improves the efficiency of fertilizeing.

Description

Valve opening control mechanism of lawn fertilizer applicator

Technical Field

The utility model relates to the technical field of valves, specifically be control mechanism is opened to lawn fertilizer distributor valve.

Background

The fertilization refers to an agricultural technical measure for applying the fertilizer into soil or spraying the fertilizer on the lawn, providing nutrients required by the lawn and maintaining and improving the soil fertility. The main purposes of fertilization are to increase crop yield, improve crop quality, fertilize soil and improve economic benefits, so that reasonable and scientific fertilization is one of the main means for guaranteeing grain safety and maintaining sustainable development of agriculture. The maintenance management of the lawn directly influences the growth, development and use of the lawn, a lot of improper work or improper maintenance work possibly causes the growth function of the lawn to be weakened and even causes the lawn seedlings to die, in the maintenance process of the lawn, due to different seasons, different lawn states and different fertilizer application amount every time, the adjustment of the fertilizer application amount must be realized when mechanical fertilization is used, and therefore, the valve mechanism of the fertilizer applicator realizes the opening and closing functions of the valve and also realizes the control of the opening size of the valve; when the lawn area is great in addition, for improving fertilization efficiency, probably use many machines simultaneous operation, for guaranteeing that the volume of fertilizeing at every turn is even unanimous, must guarantee that the many machines of simultaneous operation walk the fertilizer volume of scattering the in-process the same, must realize the accurate measurement of fertilizer volume, the utility model discloses a design 2 mechanisms on four-bar linkage's basis, realize above function.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a control mechanism is opened to lawn fertilizer distributor valve has advantages such as convenient to use, be convenient for adjust, has solved current lawn fertilizer distributor valve and has opened that control mechanism controllability is poor, the not wayward scheduling problem of fertilization volume.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the valve opening control mechanism of the lawn fertilizer applicator comprises a four-bar mechanism and the lawn fertilizer applicator, wherein the four-bar mechanism consists of a wrench, a connecting rod, a rotating plate, a hand-push handle and a hopper box, the rotating plate is respectively connected with a valve push-pull rod and a valve limiting rod, the valve push-pull rod is connected with a valve arranged on a valve guide rail seat to control the opening of the valve, and the valve limiting rod is limited by a metering limiting plate to control the opening degree of the valve;

the valve limiting rod is arranged on the limiting guide rail bracket, a reset spring is sleeved on the valve limiting rod, and a limiting pin is arranged at the top of the valve limiting rod;

the metering limiting plate is locked on the limiting rod guide rail bracket through a locking nut B in a matched mode and a hexagon bolt, one end of the valve limiting rod is bent and extends out of the limiting rod sliding groove, metering scales are arranged on the metering limiting plate, a metering pointer is fixed on the hopper box, and the rotating plate and the connecting rod are connected through a connecting rod bracket.

Preferably, the four-bar linkage upper rotating plate is provided with two mounting holes which are respectively hinged with the valve push-pull rod and the valve limiting rod.

Preferably, the four-bar mechanism is arranged on the fertilizer applicator and a hand-push handle of the fertilizer applicator, and the closing valve is not reset (at the dead point of the four-bar mechanism) when the wrench rotates to be flush with the hand-push handle.

Preferably, the valve limiting rod moves along the sliding groove in the limiting rod guide rail support, the position of the valve limiting rod is limited by the metering limiting plate, the valve limiting rod is enabled to reset by the reset spring, the metering limiting plate controls the moving distance of the valve limiting rod, the metering limiting plate can move along the sliding groove and can be locked and fixed by the locking nut B, and the metering pointer is fixed on the hopper box by the screw.

Preferably, the metering limiting plate is provided with a metering limiting plate sliding groove, one side of the metering limiting plate sliding groove is provided with a metering scale, and one side of the metering scale is provided with a metering pointer.

Preferably, the connecting rod is fixed on the connecting bracket through an adjusting nut and a locking nut A to control the dead point position of the four-bar mechanism.

Preferably, the connecting rod support is bent, and a tongue is arranged on one side of the connecting rod support, so that the connecting rod support is prevented from being reversely installed when the connecting rod is limited to be installed.

Preferably, the material leaking plate is arranged below the hopper box, three material leaking holes are formed in the surface of the material leaking plate, two circular holes and one long hole are formed in the material leaking plate, and the fertilizer is guaranteed to fall to the correct position of the conical distributor from the material leaking holes.

Preferably, the head of the valve is in a V-shaped opening shape, three material leaking holes are formed in the surface of the material leaking plate and are matched with each other for use, and uniform material leaking is guaranteed under the translation of the valve.

(III) advantageous effects

Compared with the prior art, the utility model provides a control mechanism is opened to lawn fertilizer distributor valve possesses following beneficial effect:

1. this kind of operating mechanism is opened to lawn fertilizer distributor valve, structural design is reasonable, and convenient to use opens big or small control through the valve at the lawn in the maintenance process, can realize the regulation of fertilization volume, satisfies the fertile volume that various different seasons, different environment fertilizeed.

2. This kind of operating mechanism is opened to lawn fertilizer distributor valve, this operating mechanism can guarantee that the fertilizer volume of scattering is the same among the many machines walking processes of simultaneous working, realizes the accurate measurement of fertilizer volume, and the volume of applying fertilizer at every turn can be controlled, lets the assurance fertilizer distributor fertilizer that operating personnel can be accurate, improves the efficiency of fertilizeing.

3. According to the valve opening control mechanism of the lawn fertilizer applicator, the metering scales are carved on the metering limiting plate, accurate metering is realized, and when the metering pointers on different machines point to the same metering scale on the limiting plate, the sizes of the valves opened by different machines are ensured to be consistent, so that the function of consistent fertilizer throwing amount when multiple machines operate simultaneously is realized.

4. The valve opening control mechanism of the lawn fertilizer applicator is used for pulling a wrench forwards, opening the valve at the moment, and controlling the opening amount of the valve by the moving distance of the limiting rod; when the wrench is pulled forwards, the rotating plate pushes the limiting rod to move in the guide rail on the limiting rod guide rail bracket, when the head of the limiting rod touches the edge of the metering limiting plate, the rotating plate stops rotating, the valve is opened at the moment, and the opening degree of the valve is controlled by the position of the limiting plate.

5. The valve opening control mechanism of the lawn fertilizer applicator is characterized in that a wrench is pulled backwards, a connecting rod drives a rotating plate to rotate around a point F, so that a push-pull rod is pushed to push the valve to close a material leaking hole in the material leaking plate, and the valve is completely closed until the wrench and the connecting rod are in a line (at the moment, the dead point of a four-bar mechanism can be used for realizing the locking function of valve closing).

Drawings

Fig. 1 is a main view of the fertilizer applicator of the present invention;

FIG. 2 is a schematic structural view of the valve opening mechanism of the present invention;

FIG. 3 is a schematic structural view of the valve limiting mechanism of the present invention;

FIG. 4 is a schematic structural view of the material leakage measuring mechanism of the present invention;

FIG. 5 is a schematic view of the maximum position of the valve according to the present invention;

FIG. 6 is a schematic view of the present invention in a closed valve position;

FIG. 7 is a schematic view of the valve structure of the present invention;

FIG. 8 is a schematic view of the material leaking plate structure of the present invention;

fig. 9 is a schematic view of the tongue structure of the present invention.

In the figure: 1. a fertilizer applicator; 2. a four-bar linkage; 3. pushing the handle by hand; 4. a wrench; 5. a hopper box; 6. a valve guide rail seat; 7. a material leaking plate; 8. a material leaking hole; 9. a valve; 10. a valve push-pull rod; 11. a connecting rod bracket; 12. adjusting the nut; 13. locking the nut A; 14. a tongue; 15. rotating the plate; 16. a valve stop lever; 17. a connecting rod; 18. a limiting rod guide rail bracket; 19. a return spring; 20. a spacing pin; 21. locking the nut B; 22. a hexagon bolt; 23. a metering limit plate; 24. a metering limit plate chute; 25. measuring scales; 26. a metering pointer; 27. a limiting rod chute.

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.

Referring to fig. 1-9, the present invention provides a technical solution: including four link mechanism 2 and fertilizer distributor 1, its characterized in that: the four-bar mechanism 2 consists of a wrench 4, a connecting rod 17, a rotating plate 15, a hand-push handle 3 and a hopper box 5, wherein the rotating plate 15 is respectively connected with a valve push-pull rod 10 and a valve limiting rod 16, the valve push-pull rod 10 is connected with a valve 9 arranged on a valve guide rail seat 6 to control the opening of the valve 9, and the valve limiting rod 16 is limited by a metering limiting plate 23 to control the opening degree of the valve 9;

the valve limiting rod 16 is arranged on the limiting guide rail bracket, a return spring 19 is sleeved on the valve limiting rod 16, and a limiting pin 20 is arranged at the top of the valve limiting rod 16;

the metering limiting plate 23 is locked on the limiting rod guide rail bracket 18 through a locking nut B21 and a hexagon bolt 22, one end of the valve limiting rod 16 is bent and extends out of the limiting rod sliding groove 27, a metering scale 25 is arranged on the metering limiting plate 23, a metering pointer 26 is fixed on the hopper box 5, and the rotating plate 15 is connected with the connecting rod 17 through a connecting rod bracket 11.

In a further improvement, the upper rotating plate 15 of the four-bar linkage 2 is provided with two mounting holes which are respectively hinged with the valve push-pull rod 10 and the valve limiting rod 16.

In a further improvement, the four-bar mechanism 2 is installed on the fertilizer applicator 1 and a hand push handle 3 of the fertilizer applicator 1, and when the wrench 4 rotates to be flush with the hand push handle 3, the closing valve 9 is not reset and is positioned at a dead point of the four-bar mechanism 2.

In a further improvement, the valve limiting rod 16 moves along the sliding groove in the limiting rod guide rail bracket 18, the position of the valve limiting rod 16 is limited by the metering limiting plate 23, the reset spring 19 ensures that the valve limiting rod 16 resets, the metering limiting plate 23 controls the moving distance of the valve limiting rod 16, the metering limiting plate 23 can move along the sliding groove and can be locked and fixed by the locking nut B21, and the metering pointer 26 is fixed on the hopper box 5 by a screw.

In a further improvement, a metering limiting plate sliding groove 24 is arranged on the metering limiting plate 23, a metering scale 25 is arranged on one side of the metering limiting plate sliding groove 24, and a metering pointer 26 is arranged on one side of the metering scale 25.

In a further improvement, the connecting rod 17 is fixed on the connecting bracket through an adjusting nut 12 and a locking nut A13 to control the dead center position of the four-bar linkage 2.

In a further improvement, the link bracket 11 is bent, and a tongue 14 is provided at one side of the link bracket 11, so that the link bracket 11 is not installed reversely when the link 17 is limited to be installed.

In a further improved mode, the material leaking plate 7 is arranged below the hopper box 5, three material leaking holes 8 are formed in the surface of the material leaking plate 7, two circular holes and one long hole are formed in the material leaking plate, and the fertilizer is guaranteed to fall to the correct position of the conical distributor from the material leaking holes 8.

In a further improved mode, the head of the valve 9 is in a V-shaped opening shape, three material leaking holes 8 are formed in the surface of the material leaking plate 7 and are matched with each other for use, and uniform material leaking is guaranteed under the translation of the valve 9.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

The working principle is as follows: when the material leakage mechanism is used, the wrench 4 can be pulled towards the hopper box 5, the connecting rod 17 drives the rotating plate 15 to rotate around the point F, so that the push-pull rod is pushed to push the valve 9 to close the material leakage hole 8 on the material leakage plate 7, when the wrench 4 and the connecting rod 17 are in a line, the valve 9 is completely closed as shown in fig. 6, and at the moment, the dead point of the four-bar mechanism 2 can be used for realizing the locking function of closing the valve 9; the wrench 4 is wrenched in the opposite direction of the hopper box 5, the movement is just opposite, the valve 9 is opened at the moment, and the opening amount of the valve 9 is controlled by the moving distance of the limiting rod; when the wrench 4 is pulled in the opposite direction of the hopper box 5, the rotating plate 15 pushes the limiting rod to move in the guide rail on the limiting rod guide rail bracket 18, when the head of the limiting rod touches the edge of the metering limiting plate 23, the rotating plate 15 stops rotating, the valve 9 is opened at the moment, the opening degree of the valve 9 is controlled by the position of the limiting plate, as shown in fig. 5, the material leakage hole 8 of the valve 9 shown in the figure is completely opened, and when the metering limiting plate 23 moves rightwards, the moving distance of the limiting rod is gradually reduced, so that the opening degree of the valve 9 is also gradually reduced; the metering scales 25 are marked on the metering limit plate 23, and when the metering pointers 26 on different machines point to the same metering scale 25 on the limit plate, the sizes of the valves 9 opened by different machines can be ensured to be consistent, so that the function of consistent fertilizer throwing amount when multiple machines operate simultaneously is realized.

In conclusion, the utility model has reasonable structural design and convenient use, and can realize the adjustment of the fertilizing amount by controlling the opening size of the valve in the maintenance process of the lawn, thereby meeting the fertilizing amount in different seasons and different environments; the control mechanism can ensure that the fertilizer amount thrown by a plurality of machines working simultaneously in the walking process is the same, the accurate metering of the fertilizer amount is realized, the fertilizer applying amount can be controlled each time, an operator can accurately control the fertilizer in the fertilizer applicator, and the fertilizer applying efficiency is improved; the metering scales are engraved on the metering limit plate, so that accurate metering is realized, and when the metering pointers on different machines point to the same metering scale on the limit plate, the sizes of the opened valves of the different machines can be ensured to be consistent, so that the function of consistent fertilizer throwing amount when multiple machines operate simultaneously is realized; the dead point of the four-bar mechanism is utilized to realize closing of the valve, the valve cannot be automatically opened, and the flexibility of the valve is improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Operating device is opened to lawn fertilizer distributor valve includes four-bar linkage (2) and fertilizer distributor (1), its characterized in that: the four-bar mechanism (2) consists of a wrench (4), a connecting rod (17), a rotating plate (15), a hand-push handle (3) and a hopper box (5), the rotating plate (15) is respectively connected with a valve push-pull rod (10) and a valve limiting rod (16), the valve push-pull rod (10) is connected with a valve (9) arranged on a valve guide rail seat (6) to control the opening of the valve (9), the valve limiting rod (16) is limited by a metering limiting plate (23) to control the opening degree of the valve (9);

the valve limiting rod (16) is arranged on the limiting guide rail bracket, a return spring (19) is sleeved on the valve limiting rod (16), and a limiting pin (20) is arranged at the top of the valve limiting rod (16);

measurement limiting plate (23) are locked on gag lever post guide rail bracket (18) through lock nut B (21) cooperation hex bolts (22), valve gag lever post (16) one end is buckled to stretch out from gag lever post spout (27), be provided with measurement scale (25) on measurement limiting plate (23), measurement pointer (26) are fixed on hopper case (5), rotate and connect through connecting rod support (11) between board (15) and connecting rod (17).

2. The lawn mower valve opening operating mechanism of claim 1, wherein: the four-bar linkage (2) upper rotating plate (15) is provided with two mounting holes which are respectively hinged with a valve push-pull rod (10) and a valve limiting rod (16).

3. The lawn mower valve opening operating mechanism of claim 1, wherein: the four-bar mechanism (2) is arranged on the fertilizer applicator (1) and a hand-push handle (3) of the fertilizer applicator (1).

4. The lawn mower valve opening operating mechanism of claim 1, wherein: the valve limiting rod (16) moves along the sliding groove in the limiting rod guide rail bracket (18), and the position of the valve limiting rod (16) is limited by the metering limiting plate (23).

5. The lawn mower valve opening operating mechanism of claim 1, wherein: the metering limiting plate is characterized in that a metering limiting plate sliding groove (24) is formed in the metering limiting plate (23), a metering scale (25) is arranged on one side of the metering limiting plate sliding groove (24), and a metering pointer (26) is arranged on one side of the metering scale (25).

6. The lawn mower valve opening operating mechanism of claim 1, wherein: the connecting rod (17) is fixed on the connecting bracket through an adjusting nut (12) and a locking nut A (13).

7. The lawn mower valve opening operating mechanism of claim 1, wherein: the connecting rod support (11) is bent, and a tongue (14) is arranged on one side of the connecting rod support (11).

8. The lawn mower valve opening operating mechanism of claim 1, wherein: the material leaking plate (7) is arranged below the hopper box (5), and three material leaking holes (8) are formed in the surface of the material leaking plate (7) and are two round holes and one long hole.

9. The lawn mower valve opening operating mechanism of claim 1, wherein: the head of the valve (9) is in a V-shaped opening shape, and three material leaking holes (8) are formed in the surface of the material leaking plate (7).