JP2548804Y2 - Nozzle device for watering - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a nozzle device for watering which is used by being connected to the end of a hose.
The present invention relates to an improvement of a nozzle device including a water stoppage switching and water amount adjustment mechanism.

[0002]

2. Description of the Related Art Conventionally, as this type of nozzle device, for example, a device described in Japanese Utility Model Laid-Open No. 31450/1984 is known. In this conventional nozzle device, a spindle for moving back and forth in the axial direction to open and close the water spouting port is accommodated in the nozzle portion, and an operation lever for operating the spindle is attached to the outer surface of the grip portion to switch between water discharge / water stoppage and water discharge. A mechanism for adjusting the amount of water is formed, and the operation lever is operated with a hand gripping the grip to perform water discharge / stopping from the water spout and water amount adjustment. The operation lever is swingably supported at a middle portion of the grip portion, and the lower end side is pressed toward the grip portion to rotate the upper end side, whereby the spindle advances and retreats in the axial direction.

[0003]

According to the conventional nozzle device as described above, the lower end side of the operation lever extends divergently from the outer surface of the grip portion, so that the hose connected to the lower end of the grip portion is wound by a hose winder. When taking it, there is a possibility that the operation lever may be caught by something and damaged. In addition, since the structure of the water discharge / stop water switching and water amount adjustment mechanism is complicated and the number of parts is large, there are disadvantages such as an increase in the number of assembly work steps and an increase in manufacturing cost. The present invention has been made in view of the above-described conventional circumstances, and has as its object that there is no fear that the operation unit in the switching and water amount adjustment mechanism is caught by something when winding the hose. In addition, the switching and the entire structure of the water amount adjusting mechanism are to be as simple as possible.

[0004]

In order to achieve the above object, a nozzle device according to the present invention has a nozzle body formed by connecting a grip portion having a hose connection port below a nozzle portion having a watering port. In the nozzle device, a cylindrical partition is extended from the opening provided on the outer wall of the nozzle body toward the inside of the nozzle body, and a water passage on the nozzle portion side is formed from the inner end opening of the partition to the water spouting port. In addition, a water passage on the grip portion side is formed from the through hole formed in the partition to the hose connection port, and the through hole can be opened and closed by a cylindrical peripheral wall having a window hole in the partition. A cock body rotatably mounted thereon, and further projecting the outer end of the cock body out of the nozzle body to form an operation portion, and an outer sealing material wound around the operation portion around the peripheral wall portion And from the window edge to the inside of the cock An inner seal member that is stretched diagonally I, characterized in that attached to each other.

[0005]

According to the above construction, the cylindrical cock is rotated to open and close the through hole, thereby connecting or blocking the water passage on the grip portion side and the water passage on the nozzle portion, so that the water can be discharged from the water spout port. Switching between water discharge / water stoppage and water flow adjustment at the time of water discharge. At the same time, the switching and water amount adjustment operations are performed by the cylindrical operation portion formed by the outer end portion of the cylindrical cock. It is possible to reduce the possibility of the crab being caught. In addition, the switching and water amount adjustment mechanism has a very simple structure including a partition wall, a cylindrical cock, and a sealing material, and since the partition wall is formed in advance on the nozzle body side, the cylindrical cock equipped with the sealing material is mounted inside the partition wall. , A switching and water amount adjusting mechanism is configured.

In addition, when the through hole is closed, the inner seal member seals between the through hole and the window hole to prevent water from leaking into the nozzle side water passage, and the outer seal member moves in the opening direction. Prevent water leakage. Further, at the time of opening the through hole, the inner sealing material seals between the through hole and the opening,
Water leakage from the water passage in the opening direction is prevented by the inner and outer seal materials.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the nozzle device of the present invention will be described below with reference to the drawings. The nozzle device of this embodiment is of a so-called gun type as shown in FIG. 1, and a nozzle body 1 is formed by attaching a grip portion 2 to a lower portion of a nozzle portion 1 formed of a synthetic resin or the like.

The nozzle portion 1 is formed in a cylindrical shape having a water passage 11 through which water for sprinkling flows, and a tapered needle 12 is provided at the tip. A sprinkling head 14 having a central spouting hole 14a formed of a tapered hole around the needle 12 at the tip of the nozzle portion 1 and a spouting hole 14b formed of a perforated plate for shower spouting provided around the center. Are mounted so as to be able to move forward and backward. This watering head 14
Depending on the positional relationship with the needle 12 due to the rotation advance / retreat, it is possible to switch between the concentrated water discharge type watering (see FIG. 1) and the shower water discharge type watering (see FIG. 2).

The grip portion 2 is formed in a cylindrical shape having a water passage 21 communicating with a hose connection port 22 provided at a lower end, and has a shape that can be gripped by hand. The upper end of the grip portion 2 is assembled near the rear end of the nozzle portion 1, but the upper end of the grip portion 2 is
It has a structure that replaces part of the rear end side. At the lower end of the grip portion 2, a hose connector 6 including a nipple 61, a sleeve 62, and a hose nut 63 for connecting the hose H is attached.

[0010] Between the water passage 11 on the nozzle portion side and the water passage 21 on the grip portion side, a spouting / water stoppage comprising a cylindrical partition wall 3 and a cock body 4 loaded in the partition wall 3. A switching and water amount adjusting mechanism a is provided (see FIGS. 3 to 8). The cylindrical partition wall 3 is formed by forming an opening 31 in the upper end outer wall of the grip portion 2 and extending the edge of the opening 31 toward the inside of the grip portion 2, and spraying water from the inner end opening portion 32 of the partition wall 3. The water passage 11 on the nozzle portion side is formed over the head 14. Partition wall 3
A through hole 33 communicating with the water passage 21 on the grip portion side
The water passage 21 on the grip portion side is formed from the through hole 33 to the hose connection port 22.

The cock body 4 has a bottomed cylindrical peripheral wall portion 41 for closing the through hole 33 rotatably inserted into the partition wall 3 and has an outer end protruding outward from the grip portion 2 at the outer end of the peripheral wall portion 41. Operation unit
A window hole 43 communicating with the through hole 33 is formed in the peripheral wall portion 41 so as to be cut out from the inner end to the outer end direction of the peripheral wall portion 41. Then, the through hole 33 is openably and closably closed by the peripheral wall portion 41 having the window hole 43, so that the water passage 21 on the grip portion side and the water passage 11 on the nozzle portion side can be communicated or blocked, and the respective passages can be closed. Holes in communication with waterways 21 and 11
The opening degree of the nozzle 33 is adjusted, thereby switching the water discharge / stop of water from the watering head 14 and adjusting the amount of water at the time of water discharge.

At the inner end portion of the peripheral wall portion 41, a latching edge 41a which engages with the inner end opening 32 of the partition wall 3 is provided.
At the time of insertion of 41, the latching edge 41a pushes and expands the partition wall 3, and after the insertion, the latching edge 41a engages with the inner end opening 32, and the cock body 4 is rotatably loaded. The cock body 4 is assembled by a simple operation of pushing the cock body 4 into the inside 3. Further, on the outer periphery of the peripheral wall portion 41, an outer seal member 51 wrapped around the operation portion 42 and an inner seal member 52 wrapped diagonally from the edge of the window hole 43 to the inner end of the cock body 4. Are mounted separately, and the inner and outer sealing members 51 and 52 prevent water leakage as described later.

According to the above construction, when the outer end operating portion 42 of the cock body 4 is rotated to communicate the window hole 43 and the through hole 33, the water passage 21 on the grip portion side is connected to the through hole 33 and the window. The nozzle 43 communicates with the water passage 11 through the hole 43, and in this state, water is discharged from the water spout 14a or 14b. In addition, in this state, by adjusting the opening of the through hole 33 by rotating the operation unit 42, the flow rate of the discharged water (adjustment of the amount of water at the time of discharging the water) is adjusted. Further, at this time, the inner seal member 52 and the outer seal member 51 seal between the water passages 11 and 21 and the opening 31 to prevent water leakage from around the opening 31 (see FIGS. 3 and 4).

When the operation portion 42 is rotated from the above state and the through hole 33 is closed by the peripheral wall portion 41, the water passage 21 on the grip portion side is closed.
And the water passage 11 on the nozzle side is shut off.
No spouting from 14a or 14b. At this time, the outer sealing material 51 seals between the through hole 33 and the opening 31 to prevent water leakage from around the opening 31, and the inner sealing material 52 makes contact with the inner end opening 32 of the partition wall 3 and the through hole. The space between the nozzles 33 is sealed to prevent water leakage (water leakage from the water spout) toward the water passage 11 on the nozzle side.

[0015]

[Effects of the Invention] Since the present invention is configured as described above, the operating portion of the water discharge / stop water switching and water amount adjusting mechanism has a cylindrical shape with a small amount of protrusion to the outside of the grip portion.
It is assumed that there is no fear that the operation unit is caught by something and damaged when the hose is wound. In addition, the switching and water amount adjusting mechanism has a very simple structure including a partition wall, a cylindrical cock, and a sealing material, and can be formed only by loading the cylindrical cock fitted with the sealing material into the nozzle body. The assembly process can be simplified and the production cost can be reduced. Further, there are many effects such as switching between spouting / stopping water from a water spout and water leakage around a water amount adjusting mechanism can be prevented by the inner and outer sealing materials attached to the cock body to improve product reliability.

[Brief description of the drawings]

FIG. 1 is a vertical sectional side view showing an embodiment of the present invention, showing a concentrated water discharge mode.

FIG. 2 shows a shower water discharge mode of FIG.

FIG. 3 is a sectional view taken along lines (X)-(X) in FIG. 1;

FIG. 4 is a sectional view taken along the line (Y)-(Y) in FIG. 3;

FIG. 5 is a longitudinal sectional view of a switching mechanism in a water stop state.

FIG. 6 is a sectional view taken along the line (Z)-(Z) in FIG. 5;

FIG. 7 is a cutaway perspective view of a main part in a water discharging state.

FIG. 8 is a cutaway perspective view of a main part in a water stopped state.

[Explanation of symbols]

A: Nozzle body a: Switching and water volume adjustment mechanism 1: Nozzle part 11: Water passage 14a,
14b: Water spout 2: Grip 21: Water passage 22: Hose connection 3: Partition wall 31: Opening 32: Inner end opening
33: Through hole 4: Cock body 41: Peripheral wall part 42: Operation part
43: Window hole 51: Outside sealing material 52: Inside sealing material

Claims (1)

(57) [Scope of request for utility model registration] 1. A nozzle device in which a nozzle body having a hose connection port is connected to a lower portion of a nozzle section having a water spout port to form a nozzle body. A cylindrical partition wall is extended toward the nozzle wall, and a water passage on the nozzle side is formed from the inner end opening of the partition wall to the sprinkling port, and a grip is formed from the through hole formed in the partition wall to the hose connection port. Forming a water passage on the side, and, inside the partition wall, rotatably loaded with a cock body that opens and closes the through hole by a cylindrical peripheral wall having a window hole,
Further, the outer end of the cock body protrudes out of the nozzle body to form an operation portion, and an outer peripheral wall portion has an outer sealing material that is wrapped around the operation portion, and a portion extending from the window opening edge to the inside of the cock body. A nozzle device for sprinkling water, wherein an inner sealing material that is obliquely wrapped around the nozzle is separately mounted.