JPH0551469U - Liquid injection device - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide a manually operated liquid ejecting apparatus that can be lightly operated with one hand by attaching simple parts. [Structure] A screw cap 4 for attaching an injector main body 3 screwed to an outer surface of a container body 1 neck 2 has a tubular portion 5 fitted and fixed to the screw cap 4, and from a rear portion of the tubular portion 5. Is mounted with a fixed handle 9 projecting rearward from the handle body 6 and projecting a box 8 projecting engaging bosses 7, 7 on both left and right sides from the front part, while engaging elements 10, 10 on both left and right sides. Has a top plate 12 located on the top surface of the press head 11, and a lever body 13 located above the handle body 6 projects from the rear of the top plate 12 to form a top plate. 12 A pair of links 15 and 15 each provided with a long hole 14 from both side edges are slidably engaged with the handle 16 by extending the diagonal holes 14 and 14 to the engaging members 10 and 10. And the ends of the links 15, 15 of the operating handle 16 are pivotally supported by the engaging bosses 7, 7.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a manually operated liquid ejecting apparatus that ejects liquid such as detergent.

[0002]

[Prior Art]

 Many liquid ejecting apparatuses of this kind have been proposed in the past and are very well known. For example, Japanese Patent Application No. 2-81653 is one such example. As can be seen from this publication, this type of injection device is one in which a pump-type injector body is attached to the mouth of the container with a screw cap.

That is, a pressing head with a nozzle tube is communicatively coupled to the upper end of the stem that is erected upward from the vertical cylinder provided inside the mouth of the container body, and the pressing head is pressed down against the return spring. By operating it, the liquid in the cylinder is pressurized via the cylindrical piston at the lower end of the stem, and this pressurized liquid is discharged to the outside from the nozzle pipe by opening the discharge valve provided in the stem by the liquid itself. Is.

When the liquid injection is completed, the movable parts of the cylindrical piston, the stem, and the pressing head are returned upward by the return spring, and this return causes the inside of the cylinder to have a negative pressure. The suction valve is opened to suck the liquid from the container into the cylinder and prepare for the next injection.

[0005]

[Problems to be solved by the device]

 In this type of liquid ejecting apparatus, the container body is usually held by one hand, and the other hand is pressed to push down the head.Therefore, it is inconvenient to use both hands. Since the push-down against the spring is heavy, it is a labor-intensive burden when continuously injecting.

[0006] Further, when the liquid is ejected, the liquid that drips from the nozzle pipe is applied to the hand holding the body portion, so that it is not only dirty but also a sterilizing liquid or the like is not preferable for hygiene.

The present invention is to provide a manually operated liquid ejecting apparatus which can be lightly operated with one hand by attaching simple parts.

[0008]

[Means for Solving the Problems]

 The liquid ejecting apparatus of the present invention has a screw cap 4 for attaching the injector main body 3 screwed to the outer surface of the container body 1, the neck portion 2, and a tubular portion 5 fitted and fixed to the screw cap 4. From the rear part of the tubular part 5, the handle body 6 is projected rearward, and from the front part, a fixed handle 9 having a box 8 projecting the engaging bosses 7, 7 on both left and right side faces is attached. The push-down head 11 having the engaging members 10, 10 projecting from the surface has a top plate 12 located on the top surface of the push-down head 11 and is located above the handle body 6 from the rear part of the top plate 12. A pair of links 15 and 15 provided with elongated holes 14 are extended obliquely forward and downward from both side edges of the top plate 12 by projecting the lever body 13, and the tips of the links 15 and 15 are engaged with the engaging bosses 7 and 7. It has a structure in which an operating lever 16 is mounted so that the long holes 14, 14 are slidably engaged with the engaging elements 10, 10 at the same time. That.

[0009]

[Action]

 In the above configuration, the push-down head 11 is normally pushed up by the return spring to the upper limit as shown in FIG. 1, and in this state, the engaging elements 10, 10 of the push-down head 11 are operated by the operation lever 16. The levers 13 of the operating lever 16 and the handle body 6 of the fixed handle 9 are vertically opposed to each other on the rear side of the container.

At the time of ejecting the liquid, one hand, for example, a thumb may be hung on the upper surface side of the lever body 13 and the other finger may be hung on the lower surface side of the handle body 6, and the finger may be gripped and tightened. Then, since the fixed handle 9 does not move, the gripping operation causes the operating lever 16 to rotate clockwise about the engaging bosses 7 and 7 to the two-dot chain line position.

By this rotation, the elongated holes 14, 14 slide the engaging elements 10, 10, so that the links 15, 15 push down the pressing head 11 downward against the return spring via the engaging elements 10, 10. To do. Therefore, the stored liquid in the cylinder of the injector body 3 can be pressurized and injected.

When the grip operation is stopped after the liquid is ejected, the push-down head 11 returns to the upper solid line position with the operation lever 16 by the return spring.

That is, according to this structure, the liquid can be ejected by the gripping operation with one hand, and the operation lever 16 and the fixed handle 9 are long bodies, so the operation is light.

[0014]

【Example】

 An embodiment will be described below with reference to the drawings. In the liquid ejecting apparatus of the present invention, a fixed handle 9 is attached to a screw cap 4 of an ejector main body 3, and an operating lever 16 is attached to a push-down head 11. It is characterized by the fact that it is possible to perform a light injection operation with one hand by these gripping operations.

It should be noted that the injector main body 3 is extremely well known as described in the section of the prior art, and the gist of the present invention is not in this main body 3 part. Therefore, the injector main body 3 will be briefly described here. To do.

The injector body 3 includes a vertical cylinder 17 internally fixed to the mouth of the container body 1 by a screw cap 4, a suction pipe 18 hanging from the bottom opening of the cylinder 17 to the inner bottom portion of the container body 1, It has a stem 19 that is communicatively coupled to a cylindrical piston that is fitted in the cylinder 17 and is raised to the outside, and a push-down head 11 with a nozzle tube 20 that is communicatively coupled to the upper end of this stem 19 and the bottom of the cylinder 17 A suction valve is internally provided in the opening, and a stem 19 and a return spring for urging and urging the movable part of the push-down head 11 are provided in the interior through a cylindrical piston, and the stem 19 has a discharge valve. The valve is installed internally.

Therefore, when the pushing head 11 pushes down the tubular piston against the return spring via the stem 19 to pressurize the liquid in the cylinder 17, the pressurizing liquid opens the discharge valve to open the nozzle pipe 20. When the liquid can be ejected and the pushing down of the push-down head 11 is stopped, the return spring causes the movable part to return to the up position and the inside of the cylinder 17 becomes negative pressure, so the suction valve opens and the liquid inside the container 1 sucks up the pipe. It is sucked up into the cylinder 17 through the 18.

The depressing head 11 is provided with engaging elements 10, 10 on both left and right sides. Reference numeral 21 in the figure is a push-down lock screw that is screwed into the screw cap 4 during distribution and locks an unnecessary push-down. However, this figure shows the ready-made injector body 3, so it is shown as it is. , Actually unnecessary.

The fixed handle 9 is formed by bending the free end side downward from one side of the rear part of the tubular portion 5 having a large number of vertical strips 22 on the inner peripheral surface thereof and an inward flange 23 on the lower end peripheral edge. The handle body 6 is projected, the box 8 is projected from the other side, and the engaging bosses 7, 7 are projected from the left and right side surfaces of the box 8.

The fixed handle 9 engages the vertical strip 22 with the vertical groove on the outer surface of the screw cap 4 and attaches the inward flange 23 to the lower surface of the cap 4 before the injector body 3 is assembled into the container body 1. The screw cap 4 is externally fitted to the screw cap 4, and when it is assembled into the container body 1 together with the injector body 3, the inward flange 23 is fixed so that the flange 23 on the lower outer surface of the mouth / neck portion 2 rides on it. ..

The operation lever 16 has a lever body 13 protruding rearward from a rear portion of a substantially triangular top plate 12 located immediately above a rear half of a top surface of the push-down head 11, and both left and right sides of the top plate 12. A pair of links 15 and 15 each having a long hole 14 formed obliquely in the front and downward direction extend substantially parallel to each other, and pivot support holes 25 and 25 are formed at the tips of the links 15 and 15.

The operating lever 16 is pivotally supported by loosely fitting the pivot holes 25, 25 at the tip of the link into the engaging bosses 7, 7 on both sides of the box 8 of the fixed handle 9, and the long holes 14, 14 respectively. Is attached by being slidably engaged with the engaging elements 10, 10 on both sides of the push-down head 11.

In this embodiment, when the liquid is ejected, the handle body 6 and the lever body 13 may be grasped with one hand in the normal state of FIG.

Then, since the fixed handle 9 does not move, the operating lever 16 rotates clockwise about the engaging bosses 7, 7 as the fulcrum to the position indicated by the chain double-dashed line. This rotation causes the elongated holes 14, 14 to slide on the engaging elements 10, 10, so that the links 15, 15 push down the pressing head 11 through the engaging elements 10, 10 against the return spring. Therefore, the stored liquid in the cylinder 17 of the injector main body 3 can be pressurized and ejected from the nozzle tube 20 to the outside. Immediately, the injection operation can be performed with one hand, and since the lever body 13 and the handle body 6 are long, the operation is light. When the gripping is stopped after ejecting the liquid, each part returns to the original position shown by the solid line in the figure by the return spring. At this time, the liquid is sucked from the container body 1 through the suction valve opened by the negative pressure cylinder 17 and is ready for the next injection. Prepare

In the above embodiment, if the engaging elements 10, 10 are attached to both sides of the push-down head 11 by means such as fusion bonding, it can be applied to a ready-made injection device. In this case, only the push-down head 11 may be a new installation item with the engaging elements 10, 10. Further, since the conventional push-down lock screw 21 does not work, an alternative lock function may be used. For example, a removable lock bar is interposed between the upper surface of the screw cap 4 and the lower surface of the pressing head 11.

[0026]

[Effect of the device]

 As described above, in the liquid ejecting apparatus of the present invention, the fixed handle 9 is externally fitted and fixed to the screw cap 4 of the ejector main body 3, and the press head 11 is slidably engaged with the links 15 and 15 to operate. The lever 16 is mounted, and the operation lever 16 arranged above and below and the operation lever 16 that rotates when the fixed handle 9 is gripped and tightened pushes down the push-down head 11 via the links 15 and 15. Therefore, it is convenient to use one hand for light and easy injection operation. Further, since it is only necessary to attach two simple parts of the fixed handle 9 and the operating lever 16 to the injector main body 3, there is an advantage that it can be simply constructed and can be applied to an existing product.

[Brief description of drawings]

1A and 1B are a top view of one embodiment and a side view in which a main part is longitudinally cut.

2A, 2B and 2C are external perspective views of an operating lever, a pressing head and a fixed handle of the same embodiment.

[Explanation of symbols]

 1 Container body 3 Ejector body 9 Fixed handle 11 Push-down head 16 Operation lever

Claims (1)

[Scope of utility model registration request] 1. A screw cap 4 for mounting an injector main body 3 screwed onto the outer surface of a container body 1, a neck 2, and a cylinder 5 having a cylinder 5 externally fitted and fixed to the screw cap 4. A fixed handle 9 having a handle body 6 projecting rearward from the rear part and a box 8 projecting engaging bosses 7 on both left and right side faces is mounted from the front part, while an engaging element 10 is mounted on both left and right side faces. ,
A push-down head 11 having a protruding portion 10 is provided with a top plate 12 located on the top surface of the push-down head 11, and a lever body 13 located above the handle body 6 is projected from the rear portion of the top plate 12 to raise the top. Board
12 A pair of links 15, each with a long hole 14 from each side edge,
15 is extended obliquely downward and forward, the ends of the links 15 and 15 are pivotally supported on the engagement bosses 7 and the long holes 14 and 14 are engaged with each other.
A liquid ejecting apparatus equipped with an operating lever 16 slidably engaged with 10, 10.