JPS6129655Y2 - - Google Patents

Description

[Detailed explanation of the invention] (a) Industrial application field This invention places the pump body on a pressure tank,
The present invention relates to a pump packaging device in which the pump body is covered with a tank cover.

(b) Prior Art In this type of pump, the tank cover is simply placed on the pressure tank and is not connected with screws or the like. Therefore, if this pump is simply placed inside the packaging box, the pressure tank 2 and tank cover 3 will become disengaged when the packaging box 1 falls down as shown in Figure 1, and the pressure tank 2 will be removed from its position. This may damage the pump body 4 etc. attached to the top surface.

In order to prevent such accidents, a cardboard cylinder 5 is fitted over the tank cover 3 and the pressure tank 2, as shown in Figure 2, and shock absorbers are attached to the outer circumference of the cylinder at four locations. A packaging device in which 6, 6, . . . come into contact with the inner surface of the packaging box body 1 has also been considered. FIG. 3 is an exploded perspective view of the same, in which 7 is an upper buffer body, 8 is a lower buffer body having a recess 9 in its upper surface into which the bottom of the pressure tank 2 fits, and 10 is a cardboard bottom plate.

This packaging device does not disengage the pressure tank 2 and tank cover 3 even if it falls on its side, but it uses a large cardboard cylinder 5, which increases the cost and also provides cushioning on its outer circumferential surface. body 6,6
It takes a lot of effort to glue... Furthermore, if this cushioning material is peeled off during transportation, the cushioning effect will be lost, as in the case of FIG.

(c) Purpose of the invention This invention does not use a large cardboard cylinder like the one mentioned above, but simply fits an inexpensive annular shock absorber to the tank cover. This is to prevent the pressure tank and tank cover from coming off and being damaged.

(d) Structure and function of the device Therefore, in this device, an annular shock absorber is fitted into the pressure tank engagement step formed on the lower edge of the tank cover, and the shock absorber comes into contact with the inner surface of the packaging box. A contact surface is provided to prevent the tank cover from shifting from the center of the packaging box body even if the tank cover is tipped on its side. If the tank cover does not shift from the center, the pressure tank will not shift because the tank cover is engaged with the pressure tank, and the tank cover and pressure tank will not be damaged. In order for the buffer to have this effect, the buffer must be located at the lower end of the tank cover, but care should be taken to ensure that the buffer does not move due to vibrations during transportation. , this buffer body is provided with a claw piece that engages with the lower edge of the tank cover.

(e) Example Example 11 will be explained based on Figure 4 and below.
1 is the main body of the packaged object, which consists of a pressure tank 2 and a tank cover 3 that covers a pump body (not shown) placed on the tank, and an engagement step formed along the lower edge of the tank cover. The portion 12 is engaged with the upper peripheral edge of the pressure tank 2. The main body 11 of the object to be packed is placed on the bottom plate 10 via the lower shock absorber 8, and after fitting the annular shock absorber 13 to the tank cover 3 of the object main body, the upper shock absorber 17 is placed. A packaging box body 1 with an open bottom surface
It is covered and fixed with a band. As shown in FIG. 6, the annular shock absorber 13 has an inverted L-shaped cross section so as to engage with a step 12 formed on the lower edge of the tank cover 3, and the outer periphery of the annular shock absorber 13 has an inverted L-shape formed on the lower edge of the tank cover 3. Four abutting portions 14a, 14a, . , 14... are integrally formed between them.

Therefore, when this annular shock absorber 13 is fitted to the tank cover 3, the claw pieces 15, 15 are flexible non-contacting parts 14a, which are thinner than the abutting parts 14, 14...
14a can be easily fitted to the tank cover 3 in a state in which it is pushed downward and expanded, and after fitting, the non-contacting part 1
The elastic restoring force of 4a and 14a ensures a firm fit,
The shock absorber 13 is not dislodged by mere vibration and is always located at the lower edge of the tank cover 3. As a result, even if the packaging box 1 falls sideways, the tank cover 3 will not shift from the center of the packaging box, and the pressure tank 2 in engagement with the tank cover 3 will also not shift.

(F) Effects As described above, this proposal can safely protect the pump device even if it falls on its side by simply fitting a relatively small annular buffer into the tank cover. Since it can be integrally formed from styrene or the like, it does not require the labor of attaching cushioning material to a vertically long corrugated paperboard as in the past, and can be manufactured at low cost, which has a great practical effect. In addition, since the claw pieces that engage the lower edge of the tank cover are formed not in the contact part that contacts the inner surface of the packaging box body but in the flexible non-contact part, the claw pieces can be pushed out to form the annular shape. The buffer body can be easily fitted to the tank cover, and after fitting, the annular buffer body can be firmly fitted to the tank cover due to the elastic restoring force of the non-contacting portion.

[Brief explanation of the drawing]

Figure 1 is a sectional view showing a conventional pump packaging device lying on its side, Figure 2 is a vertical sectional view showing another conventional example, Figure 3 is an exploded perspective view, and Figure 4 is the proposed packaging device. 5 is a perspective view of the annular shock absorber, and FIGS. 6 and 7 are respectively the −,
- It is a cross-sectional view. 2...Pressure tank, 3...tank cover, 11
... Main body of the object to be packed, 1 ... Packaging box body, 12 ... Engagement stepped portion, 13 ... Annular buffer body, 14 ... Contact surface,
15...Claw piece.

Claims (1)

[Scope of Claim for Utility Model Registration] In a product in which a main body consisting of a tank cover mounted on the upper surface of a pressure tank is housed in a packaging box, the connection to the pressure tank formed at the lower edge of the tank cover is An annular buffer body is fitted to the joint part, and the buffer body has a plurality of abutting parts that contact the inner surface of the packaging box body at approximately equal intervals, and a lower edge of the tank cover. A pump packaging device comprising a claw piece that engages with the plurality of contact parts and is integrally formed between the plurality of contact parts.