Electric drawing type telescopic pesticide spraying rod

Abstract

An electric drawing type telescopic pesticide spraying rod relates to the technical field of pesticide spraying tools and comprises a main pipe, an extension pipe is sleeved in the main pipe in a sliding mode, a rack is fixedly connected to the inner wall of the extension pipe in the axial direction, a speed reducer is fixedly connected to the outer wall of the main pipe, an avoiding hole is formed in the main pipe, the output end of the speed reducer is connected with a gear, and the gear penetrates through the avoiding hole and is meshed with the rack. A switching cap is rotatably arranged at the outer end of the extension pipe, an atomizing nozzle and a direct flow nozzle are fixedly connected to the outer end of the switching cap, and the atomizing nozzle and the direct flow nozzle alternately communicate with an inner cavity of the extension pipe. The utility model solves the problems in the prior art that when the length of a pesticide spraying rod needs to be adjusted, an operator needs to manually adjust the length of a telescopic rod, and the operation is time-consuming and labor-consuming; and when root irrigation needs to be carried out on tobacco plants, a pesticide spraying head of a pesticide spraying rod needs to be switched, so that many accessories are carried, carrying is not convenient, and omission is likely to occur.

Description

Technical Field

[0001] The utility model relates to the technical field of medicine spraying tools, in particular to an electrically-operated retractable medicine spraying rod. Background Art

[0002] The temperature and humidity in the greenhouse are high, and the tobacco seedlings are concentrated. Planting plants in the greenhouse are prone to diseases and pests, which can spread easily. In order to do a good job in greenhouse disinfection and disease and pest prevention, in addition to disinfecting the tobacco trays before sowing tobacco, the seedbeds must be regularly maintained and pesticides must be sprayed in a timely manner during the entire seedling raising period.

[0003] The prior art discloses a patent with announcement number CN218736293U, which includes a main rod, an inner tube is provided inside the main rod, a gap is provided between the inner wall of the main rod and the inner tube, a main channel is provided inside the inner tube, the gap is connected to the main channel, a first nozzle and a liquid inlet pipe are provided on the outer wall of the main rod, both of which are connected to the gap; a telescopic rod is provided inside the main channel, a secondary channel is provided inside the telescopic rod, the secondary channel is connected to the main channel, a second nozzle is provided on the outer wall of the telescopic rod, the second nozzle is connected to the secondary channel, a piston sleeve is provided on the outer wall of one end of the telescopic rod, and a clamping mechanism is provided at one end of the main rod; the utility model makes it easy to adjust the length of the utility model through the setting of the overall structure, has a wide spraying range, good sealing, and is not prone to leakage.

[0004] The existing devices gradually exposed the shortcomings of the existing technology as they were used, mainly in the following aspects:

[0005] First, when the length of the existing spraying rod needs to be adjusted during use, the operator needs to manually adjust the length of the telescopic rod, which is time-consuming and laborious.

[0006] Second, when the existing spray rod is used in a tobacco field, when the tobacco plants need to be rooted, the spray head of the spray rod needs to be switched, which requires carrying too many accessories, is not only inconvenient to carry, but also prone to omission.

[0007] In summary, the prior art obviously has inconveniences and defects in practical use, so it is necessary to improve it. Utility Model Content

[0008] In view of the defects in the prior art, the utility model provides an electrically retractable retractable spray rod to solve the problem in traditional technology that when the length of the spray rod needs to be adjusted during use, the operator needs to manually adjust the length of the retractable rod, which is time-consuming and laborious; and when the tobacco plants need to be rooted, the spray head of the spray rod needs to be switched, which requires carrying too many accessories, which is not only inconvenient to carry but also easy to be missed.

[0009] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0010] An electric retractable spray rod comprises a main pipe, an extension pipe is slidably sleeved inside the main pipe, a rack is fixedly connected to the inner wall of the extension pipe along the axial direction, a reducer is fixedly connected to the outer wall of the main pipe, an avoidance hole is opened on the main pipe, a gear is connected to the output end of the reducer, the gear passes through the avoidance hole and meshes with the rack,

[0011] A conversion cap is rotatably provided at the outer end of the extension tube, and an atomizing nozzle and a DC nozzle are fixedly connected to the outer end of the conversion cap. The atomizing nozzle and the DC nozzle are alternately connected to the inner cavity of the extension tube.

[0012] As an optimized solution, a sliding sleeve is fixedly connected to the inner end of the extension tube, the outer diameter of the sliding sleeve is larger than the outer diameter of the extension tube, and a plurality of sealing rings are arranged in parallel on the outer wall of the sliding sleeve.

[0013] As an optimized solution, a guide seat is fixedly connected to the inner wall of the main pipe opposite to the avoidance hole, a guide bar is fixedly connected to the outer wall of the extension pipe along the axial direction, and a guide groove matching the guide bar is formed on the guide seat.

[0014] As an optimized solution, a blocking plate is fixedly connected to the outer end of the extension tube, a liquid outlet hole is opened at an eccentric position of the blocking plate, and a partition plate for separating the atomizing nozzle and the DC nozzle is fixedly connected in the conversion cap.

[0015] As an optimized solution, a groove is provided on the end of the partition plate facing the blocking plate, a rubber strip is provided in the groove, and the rubber strip is rubbed against the blocking plate.

[0016] As an optimized solution, a sealing ring is provided between the inner wall of the conversion cap and the outer wall of the extension tube.

[0017] As an optimized solution, the inner wall of the conversion cap is provided with an inner ring groove, the outer ring of the sealing ring is clamped in the inner ring groove, and the outer wall of the extension tube is provided with an outer ring groove, the inner ring of the sealing ring is clamped in the outer ring groove.

[0018] As an optimized solution, the other end of the main pipe is fixedly connected with a connecting nozzle.

[0019] As an optimized solution, a handle is mounted on one end of the main pipe close to the connecting nozzle.

[0020] Compared with the prior art, the beneficial effects of the utility model are:

[0021] When the extension length needs to be adjusted, the reducer drives the gear to rotate, and then uses the rack to drive the extension tube to extend and retract, realizing the extension and retraction adjustment of the length, which is convenient and quick;

[0022] The conversion cap is arranged by rotating the outer end of the extension tube, and the atomizing nozzle and the direct current nozzle are arranged on the conversion cap, so that the atomizing nozzle and the direct current nozzle are alternately connected to the liquid outlet by rotating the conversion cap, so that both the atomizing effect and the root irrigation can be achieved, eliminating the need to carry accessories in the traditional technology and expanding the scope of use;

[0023] Good operability. The length of the spray rod can be flexibly adjusted according to crop needs during operation, which saves time and effort and has high operating efficiency.

[0024] The spraying effect is good, safe and reliable. By using the current limiting switch, the crops are protected from pesticide damage.

[0025] It has a wide range of applicability and can meet the needs of greenhouse disinfection and spraying as well as field operations, and is suitable for a variety of crops. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the specific implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the specific implementation or the prior art description. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual scale.

[0027] Figure 1 It is a schematic diagram of the structure of the utility model;

[0028] Figure 2 It is a schematic diagram of the conversion cap of the utility model;

[0029] Figure 3 It is a schematic diagram of the blocking plate of the utility model.

[0030] In the figure: 1-main pipe; 2-extension pipe; 3-rack; 4-guide bar; 5-reducer; 6-gear; 7-guide seat; 8-sliding sleeve; 9-sealing ring; 10-conversion cap; 11-atomizing nozzle; 12-DC nozzle; 13-partition plate; 14-rubber strip; 15-blocking plate; 16-liquid outlet; 17-sealing ring; 18-handle; 19-connecting nozzle. DETAILED DESCRIPTION

[0031] The following embodiments of the technical solution of the utility model are described in detail in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the utility model, and are therefore only used as examples, and cannot be used to limit the protection scope of the utility model.

[0032] like Figures 1 to 3As shown, the electric retractable spray rod comprises a main pipe 1, an extension pipe 2 is slidably sleeved inside the main pipe 1, a rack 3 is fixedly connected to the inner wall of the extension pipe 2 along the axial direction, a reducer 5 is fixedly connected to the outer wall of the main pipe 1, an avoidance hole is opened on the main pipe 1, and a gear 6 is connected to the output end of the reducer, which passes through the avoidance hole and meshes with the rack 3.

[0033] A conversion cap 10 is rotatably provided at the outer end of the extension tube 2 , and an atomizing nozzle 11 and a DC nozzle 12 are fixedly connected to the outer end of the conversion cap 10 . The atomizing nozzle 11 and the DC nozzle 12 are alternately connected to the inner cavity of the extension tube 2 .

[0034] A sliding sleeve 8 is fixedly connected to the inner end of the extension tube 2 . The outer diameter of the sliding sleeve 8 is larger than the outer diameter of the extension tube 2 . A plurality of sealing rings 9 are arranged in parallel on the outer wall of the sliding sleeve 8 .

[0035] A guide seat 7 is fixedly connected to the inner wall of the main pipe 1 opposite to the avoidance hole, a guide bar 4 is fixedly connected to the outer wall of the extension pipe 2 along the axial direction, and a guide groove matching the guide bar 4 is formed on the guide seat 7.

[0036] A plugging plate 15 is fixedly connected to the outer end of the extension tube 2 , and a liquid outlet hole 16 is opened at an eccentric position of the plugging plate 15 . A partition plate 13 for separating the atomizing nozzle 11 and the DC nozzle 12 is fixedly connected inside the conversion cap 10 .

[0037] A groove is formed on the end of the partition plate 13 facing the blocking plate 15 , and a rubber strip 14 is arranged in the groove. The rubber strip 14 and the blocking plate 15 are frictionally opposed to each other.

[0038] A sealing ring 17 is provided between the inner wall of the conversion cap 10 and the outer wall of the extension tube 2 .

[0039] The inner wall of the conversion cap 10 is provided with an inner ring groove, and the outer ring of the sealing ring 17 is clamped in the inner ring groove. The outer wall of the extension tube 2 is provided with an outer ring groove, and the inner ring of the sealing ring 17 is clamped in the outer ring groove.

[0040] The other end of the main pipe 1 is fixedly connected with a connecting nozzle 19, which is connected to a sprayer through a hose. The sprayer is provided with a switch for controlling the operation of the reducer 5.

[0041] A handle 18 is mounted on one end of the main pipe 1 close to the connecting nozzle 19 .

[0042] The working principle of this device is:

[0043] When the extension length needs to be adjusted, the reducer 5 drives the gear 6 to rotate, and then the rack 3 drives the extension tube to extend and retract, thereby realizing the extension and retraction adjustment of the length, which is convenient and quick;

[0044] The conversion cap 10 is arranged by rotating the outer end of the extension tube 2, and the conversion cap 10 is provided with an atomizing nozzle 11 and a direct current nozzle 12. By rotating the conversion cap 10, the atomizing nozzle 11 and the direct current nozzle 12 are alternately connected to the liquid outlet 16, so that both the atomizing effect and the root irrigation can be achieved, eliminating the need to carry accessories in the traditional technology and expanding the scope of use;

[0045] Good operability. The length of the spray rod can be flexibly adjusted according to crop needs during operation, which saves time and effort and has high operating efficiency.

[0046] The spraying effect is good, safe and reliable. By using the current limiting switch, the crops are protected from pesticide damage.

[0047] It has a wide range of applicability and can meet the needs of greenhouse disinfection and spraying as well as field operations, and is suitable for a variety of crops.

[0048] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. These modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model, and they should all be included in the scope of the claims and specification of the utility model.

Claims

1. Electric retractable spraying rod, characterized by: The invention comprises a main pipe (1), an extension pipe (2) is slidably sleeved inside the main pipe (1), a rack (3) is fixedly connected to the inner wall of the extension pipe (2) along the axial direction, a reducer (5) is fixedly connected to the outer wall of the main pipe (1), a relief hole is opened on the main pipe (1), a gear (6) is connected to the output end of the reduction gear, the gear (6) passes through the relief hole and meshes with the rack (3), A conversion cap (10) is rotatably provided at the outer end of the extension tube (2); an atomizing nozzle (11) and a direct current nozzle (12) are fixedly connected to the outer end of the conversion cap (10); the atomizing nozzle (11) and the direct current nozzle (12) are alternately connected to the inner cavity of the extension tube (2).

2. The electrically-operated retractable spraying rod according to claim 1 is characterized in that: A sliding sleeve (8) is fixedly connected to the inner end of the extension tube (2). The outer diameter of the sliding sleeve (8) is larger than the outer diameter of the extension tube (2). A plurality of sealing rings (9) are arranged in parallel on the outer wall of the sliding sleeve (8).

3. The electrically-operated retractable spraying rod according to claim 2 is characterized in that: A guide seat (7) is fixedly connected to the inner wall of the main pipe (1) opposite to the avoidance hole, a guide bar (4) is fixedly connected to the outer wall of the extension pipe (2) along the axial direction, and a guide groove matching the guide bar (4) is provided on the guide seat (7).

4. The electrically-operated retractable spraying rod according to claim 3 is characterized in that: A blocking plate (15) is fixedly connected to the outer end of the extension tube (2), a liquid outlet hole (16) is provided at an eccentric position of the blocking plate (15), and a partition plate (13) is fixedly connected inside the conversion cap (10) for separating the atomizing nozzle (11) and the direct current nozzle (12).

5. The electrically-operated retractable spraying rod according to claim 4 is characterized in that: A groove is provided on the end of the partition plate (13) facing the blocking plate (15), a rubber strip (14) is provided in the groove, and the rubber strip (14) is frictionally abutted against the blocking plate (15).

6. The electrically-operated retractable spraying rod according to claim 5 is characterized in that: A sealing ring (17) is provided between the inner wall of the conversion cap (10) and the outer wall of the extension tube (2).

7. The electrically-operated retractable spraying rod according to claim 6 is characterized in that: The inner wall of the conversion cap (10) is provided with an inner ring groove, and the outer ring of the sealing ring (17) is clamped in the inner ring groove; the outer wall of the extension tube (2) is provided with an outer ring groove, and the inner ring of the sealing ring (17) is clamped in the outer ring groove.

8. The electrically-operated retractable spraying rod according to claim 7 is characterized in that: The other end of the main pipe (1) is fixedly connected with a connecting nozzle (19).

9. The electrically-operated retractable spraying rod according to claim 8 is characterized in that: A handle (18) is mounted on one end of the main pipe (1) close to the connecting nozzle (19).

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