CN210043053U - Spray gun - Google Patents

Abstract

The utility model discloses a spray gun, which comprises a spray lance, a spray pipe, a spray head unit and a pressure stabilizing device; the spray head unit is arranged at the top end of the spray rod, and the other end of the spray rod is connected with the spray pipe; the pressure stabilizer is arranged on the spray pipe. The utility model discloses be equipped with many shower nozzles, the flexible spray lance of multistage formula and surge damping valve to improve spraying efficiency greatly, can also spray the width of cloth and the spraying difference of the different sprayers of shielding according to the demand automatically regulated spraying of crop width of cloth, the spraying effect is even stable, is favorable to standardizing peasant household's application of pesticides technique and guarantee crop safety.

Description

Spray gun

Technical Field

The utility model relates to the field of agricultural machinery, concretely relates to spraying spray gun.

Background

At present, the main means of crop pest control in China is to spray pesticide on crops by using backpack spraying equipment, spraying components of the traditional backpack spraying equipment generally have the defects of single spray head, narrow spraying width, uneven spraying and low efficiency, different sprayers cannot guarantee the water yield, the size of fog drops and the spraying effect with uniform atomization, and the crop safety and the control effect cannot be guaranteed. The derived spraying equipment with many shower nozzles is in order to improve the coverage and the spraying effect of spraying from this, but the spraying equipment of many shower nozzles can cause the pressure of every shower nozzle to change owing to increase and every distance of shower nozzle difference with the shower nozzle quantity, the shower nozzle pressure that the distance is more far away is less, especially when cooperating with different spraying equipment and using, because the difference that can produce pressure when the atomizer cooperation of difference uses, lack voltage regulator, be difficult to guarantee the stability of pressure, the spraying effect is worse, it is difficult to reach even atomizing effect, on the contrary, the operating efficiency has been reduced.

Although the multi-nozzle spray rod disclosed in the manual sprayer joint type spray rod (application number: 201110307641.8) can improve the coverage of spraying, the pressure of the spray head at the far end can be reduced due to the design of the multi-nozzle, so that the atomization effect is reduced, and the efficiency is reduced; when the spray rod is used with different sprayers in a matched mode, the spraying effect is affected due to the fact that the pressure difference of different sprayers causes the difference of the spraying effect.

Disclosure of Invention

The utility model aims at providing a spray gun, this spray gun are equipped with many shower nozzles, the flexible spray lance of multistage formula and surge damping valve to improve spraying efficiency greatly, can also be according to the spraying amplitude of the demand automatically regulated spraying of crop spraying amplitude and the spraying difference of the different sprayers of shielding, the spraying effect is even stable, is favorable to standardizing peasant household's application of pesticides technique and guarantee crop safety.

The utility model aims at realizing through the following technical scheme:

a spray gun comprises a spray rod, a spray pipe, a spray head unit and a pressure stabilizing device; the spray head unit is arranged at the top end of the spray rod, and the other end of the spray rod is connected with the spray pipe; the pressure stabilizing device is arranged on the spray pipe; the spray head unit comprises a spray head, a T-shaped tee joint, a connecting rod and an L-shaped double joint; two straight ports of the T-shaped tee joint are respectively connected with the connecting rod and the spray rod; the L-shaped double-way head is arranged at the other end of the connecting rod; the spray heads are respectively arranged on the third port of the T-shaped tee joint and the other port of the L-shaped double joint.

Preferably, the spray rod and the spray head unit are connected through an internal and external threaded joint; the top end of the spray rod is provided with an internal thread joint I; one end of the external thread of the internal and external thread joint is provided with a joint; the joint of the internal and external threaded joints is connected with a spray pipe penetrating through the spray rod and then connected with an internal threaded joint I of the spray rod; the other end of the internal and external screwed joint is connected with a T-shaped tee joint of the spray head unit.

Preferably, the connecting rod is movably connected with the T-shaped tee joint and the L-shaped tee joint.

Preferably, the two ends of the connecting rod are provided with buckles, and the connecting rod is connected with the T-shaped tee joint and the L-shaped tee joint in a nested clamping mode through the buckles.

Preferably, the T-shaped tee joint and the L-shaped double joint have external thread structures at the ports, and internal thread joints are arranged at the two ends of the connecting rod; the connecting rod is mutually matched and connected with the external threads of the T-shaped tee joint and the L-shaped double joint through the internal thread joint.

Preferably, the nozzle unit is provided with two or more nozzles through a connection structure of a T-shaped tee joint.

Preferably, the spray head comprises a spray nozzle, a gasket, a filter element and a spray nozzle cap; the filter element, the gasket and the nozzle are sequentially embedded in the nozzle cap.

Preferably, the spray rod is of a telescopic structure.

Preferably, the telescopic structure is formed by sleeving at least two spray bars together. Preferably, a switch is arranged between the spray rod and the spray pipe.

The invention has the following beneficial effects:

1. the efficiency is high: the spray head unit is formed by double spray heads or multiple spray head components, the spray rod units are sleeved together by adopting 2-N sections of spray rods, the spray operation can be extended and contracted according to requirements, the spray amplitude of the operation is adjusted, the pesticide application efficiency is improved, and the application range is wide.

2. And (3) atomization is uniform: the nozzle adopts a wide spray width fan-shaped nozzle, the atomization is good, the coverage rate of fog drops is high, the spraying uniformity is improved, and the safety of crops and the standardization of pesticide application are facilitated.

3. The spray flow is stable: this spraying spray gun is furnished with voltage regulator device, can give the shielding to the pressure difference of different sprayers, uses different sprayers also can realize unanimous spraying effect, reduces the emergence of phytotoxicity.

4. The operation is flexible: if the spray gun is combined with a special sprayer with consistent pressure for use, a pressure stabilizing device is not required to be matched; if the pressure-free sprayer is used as a spray gun accessory combination for farmers independently, the pressure stabilizer is additionally arranged for use, and the uniform spraying effect can be realized.

5. The cost performance is high, and the market competitiveness is strong: the spray gun can be used as an independent accessory for grafting the existing sprayer of farmers, has low cost and strong market competitiveness, and is a preferred product for the combination of medical instrument set meal.

Drawings

Fig. 1 is a schematic view of the spray gun of the present invention.

Fig. 2 is the connection schematic diagram of the internal and external screw joints, the spray rod and the spray pipe of the utility model. Fig. 3 is a structural anatomical diagram of the nozzle unit according to the present invention.

Fig. 4 is a structural anatomical diagram of the nozzle unit according to the present invention.

Fig. 5 is a schematic view of the internal and external thread joint of the present invention.

Fig. 6 is a schematic view of the nozzle structure of the spray gun of the present invention.

Fig. 7 is a state diagram of the spray gun of the present invention used in cooperation with the sprayer.

Fig. 8 is a schematic view of the spray gun of the present invention with a switch.

Reference numerals: 1 spray rod, 11 female connectors I, 2 spray pipes, 3 spray head units, 31T-shaped tee joints, 32 connecting rods, 321 female connectors, 322 buckles, 33L-shaped double joints, 4 pressure stabilizing devices, 5 spray heads, 51 spray nozzles, 52 gaskets, 53 filter cores, 54 spray nozzle caps, 6 switches, 7 sprayers, 8 inner and outer threaded connectors and 81 connectors.

Detailed Description

In order to make the technical solutions in the present application better understood, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings and embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and all other embodiments obtained by those skilled in the art without making creative efforts shall fall within the protection scope of the present application based on the embodiments in the present application. As shown in fig. 1-5.

Example 1

A spray gun comprises a spray rod 1, a spray pipe 2, a spray head unit 3 and a pressure stabilizer 4; the spray head unit 3 is arranged at the top end of the spray rod 1, and the other end of the spray rod 1 is connected with the spray pipe 2; the pressure stabilizing device 4 is arranged on the spray pipe 2; pressure regulator 4 is unified to be adjusted to required pressure value before leaving the factory, if have the spraying pressure that needs to adjust, then can be through adjusting pressure regulator 4 to required pressure value, finally reach the purpose of control spraying flow.

The spray head unit 3 comprises a spray head 5, a T-shaped tee joint head 31, a connecting rod 32 and an L-shaped double joint head 33; two straight ports of the T-shaped tee joint 31 are respectively connected with the connecting rod 32 and the spray rod 1; an L-shaped double-way head 33 is arranged at the other end of the connecting rod 32; the nozzle 5 is respectively arranged on a third port of the T-shaped three-way head 31 and the other port of the L-shaped two-way head 33.

Example 2

The present embodiment is different from embodiment 1 in that it further includes: the spray rod 1 is connected with the spray head unit 3 through an internal and external threaded joint 8; the top end of the spray rod 1 is provided with an internal thread joint I11; one end of the external thread of the internal and external thread joint 8 is provided with a joint 81; the joint 81 of the internal and external threaded joint 8 is connected with the spray pipe 2 penetrating through the spray rod 1 and then connected with the internal threaded joint I11 of the spray rod 1; and the other end of the internal and external threaded joint 8 is connected with a T-shaped tee joint 31 of the spray head unit 3.

Example 3

This embodiment is different from embodiment 1 or 2 in that it further includes: the connecting rod 32 is movably connected with the T-shaped three-way head 31 and the L-shaped two-way head 33.

Example 4

The present embodiment is different from embodiment 3 in that it further includes: the two ends of the connecting rod 32 are provided with buckles 322, and the connecting rod 32 is connected with the T-shaped tee joint 31 and the L-shaped double joint 33 through the buckles 322 in a nested and clamped mode.

Example 5

This embodiment is different from embodiment 1 or 2 in that it further includes: the T-shaped tee joint 31 and the L-shaped double joint 33 are respectively provided with an external thread structure, and two ends of the connecting rod 32 are provided with internal thread joints 321; the connecting rod 32 is respectively matched and connected with the external threads of the T-shaped tee joint 31 and the L-shaped double joint 33 through the internal thread joint 321.

Example 6

The present embodiment is different from embodiment 5 in that it further includes: the head unit 3 is provided with two or more heads 5 through a connection structure of the T-shaped three-way head 31. Can set up a plurality of shower nozzles 5 through this mode to reach higher operating efficiency, simultaneously owing to there is pressure regulator 4 to adjust, can guarantee that the pressure of a plurality of shower nozzles 5 remains stable, guarantees atomization effect and flow stability.

Example 7

The present embodiment is different from any of embodiments 1, 2, 4, and 6 in that the present embodiment further includes: the spray head 5 comprises a spray nozzle 51, a gasket 52, a filter element 53 and a spray nozzle cap 54; the filter element 53, the spacer 52 and the nozzle 51 are sequentially embedded in the nozzle cap 54. The filter element 53 is arranged in the spray head 5, so that the pressure of the liquid medicine passing through the filter element 53 is more stable, and the atomization effect is ensured and improved. The nozzle 51 adopts a wide spray width fan-shaped nozzle, has good atomization and large droplet coverage rate, improves the spray uniformity and is more beneficial to the safety of crops and the standardization of pesticide application.

Example 8

This embodiment is different from embodiment 1 or 7 in that it further includes: the spray rod 1 is of a telescopic structure. The length of the spray rod is convenient to adjust by the telescopic structure, and large-scale operation is realized.

Example 9

The present embodiment is different from embodiment 8 in that it further includes: the telescopic structure is sleeved together by at least two sections of spray bars 1. The telescopic spray rod 1 is formed by sleeving a plurality of sections of spray rods 1 with diameters which are reduced in sequence. The spray rod 1 is sleeved by 2-N sections of spray rods, the spray operation can be extended and contracted according to requirements, the spray amplitude of the operation is adjusted, the pesticide application efficiency is improved, and the application range is wide. When the spray rod 1 needs to be extended during spraying, the telescopic rod is directly stretched to the required length, and the spray rod is directly contracted to the shortest state by hands after spraying operation is finished.

Example 10

This embodiment is different from embodiment 1 or 9 in that it further includes: a switch 6 is arranged between the spray rod 1 and the spray pipe 2. The switch may determine whether to add or not depending on the sprayer 7.

The working principle of the above embodiment is as follows: connecting a spraying spray gun, connecting the other end of the spraying pipe 2 to a sprayer 7, wherein the sprayer 7 can be common in the market or sold, can be originally used by farmers, and can also be an electric or manual sprayer; the sprayer 7 is started, the liquid medicine comes out from the sprayer 7 and reaches the spray rod 1 through the spray pipe 2 and the pressure stabilizing device 4, and the pressure of the liquid medicine can be regulated through the pressure stabilizing device 4 to keep the liquid medicine stable; the liquid medicine after the steady voltage sprays out from a plurality of shower nozzles 5 that set up on shower nozzle unit 3, because pressure is stable, forms the atomizing even, and the stable water smoke of spraying flow sprays the operating efficiency height. The length can be adjusted by the telescopic structure of the spray bar 1 to achieve a larger and wider coverage. When the sprayer 7 is matched with different sprayers 7, the pressure of the sprayer 7 can be adjusted to a proper range through the pressure stabilizing device 4, so that the spraying is ensured to be uniform and stable. This spraying spray gun is furnished with pressure stabilizer, can give the shielding to the pressure difference of different atomizers, uses different atomizers also can realize unanimous spraying effect.

Claims (10)

1. A spray gun, characterized in that: comprises a spray rod (1), a spray pipe (2), a spray head unit (3) and a pressure stabilizing device (4); the spray head unit (3) is arranged at the top end of the spray rod (1), and the other end of the spray rod (1) is connected with the spray pipe (2); the pressure stabilizing device (4) is arranged on the spray pipe (2); the spray head unit (3) comprises a spray head (5), a T-shaped three-way head (31), a connecting rod (32) and an L-shaped two-way head (33); two straight ports of the T-shaped tee joint (31) are respectively connected with a connecting rod (32) and the spray rod (1); the L-shaped double-through head (33) is arranged at the other end of the connecting rod (32); the spray head (5) is respectively arranged on a third port of the T-shaped three-way head (31) and the other port of the L-shaped two-way head (33).

2. The spray gun of claim 1, wherein: the spray rod (1) is connected with the spray head unit (3) through an internal and external threaded joint (8); the top end of the spray rod (1) is provided with an internal thread joint I (11); one end of the external thread of the internal and external thread joint (8) is provided with a joint (81); the joint (81) of the internal and external threaded joints (8) is connected with the spray pipe (2) penetrating through the spray rod (1) and then connected with the internal threaded joint I (11) of the spray rod (1); the other end of the internal and external screwed joint (8) is connected with a T-shaped tee joint (31) of the spray head unit (3).

3. A spray gun according to claim 1 or 2, characterized in that: the connecting rod (32) is movably connected with the T-shaped tee joint head (31) and the L-shaped double joint head (33).

4. A spray gun according to claim 3, characterized in that: the connecting rod (32) is provided with buckles (322) at two ends, and the connecting rod (32) is connected with the T-shaped tee joint head (31) and the L-shaped double joint head (33) in a nested and clamped mode through the buckles (322).

5. A spray gun according to claim 1 or 2, characterized in that: the T-shaped tee joint (31) and the L-shaped double joint (33) are in external thread structures, and internal thread joints (321) are arranged at two ends of the connecting rod (32); the connecting rod (32) is respectively matched and connected with the external threads of the T-shaped tee joint (31) and the L-shaped double joint (33) through the internal thread joint (321).

6. A spray gun according to claim 5, characterized in that: the spray head unit (3) is provided with two or more spray heads (5) through a connecting structure of a T-shaped tee head (31).

7. A spray gun according to any one of claims 1, 2, 4 and 6, wherein: the spray head (5) comprises a spray nozzle (51), a gasket (52), a filter element (53) and a spray nozzle cap (54); the filter element (53), the gasket (52) and the nozzle (51) are sequentially embedded in the nozzle cap (54).

8. The spray gun of claim 1, wherein: the spray rod (1) is of a telescopic structure.

9. The spray gun of claim 8, wherein: the telescopic structure is formed by sleeving at least two sections of spray bars (1).

10. The spray gun of claim 1, wherein: a switch (6) is arranged between the spray rod (1) and the spray pipe (2).

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