JPS62176245U - - Google Patents

Description

[Brief explanation of the drawing]

Fig. 1 is a plan view showing an embodiment of the present invention, Fig. 2 is a bottom view of the same, Fig. 3 is a sectional view taken along line AA in Fig. 1, and Fig. 4 is an enlarged view taken along arrow B-B in Fig. 1. figure,
FIG. 5 is an enlarged view of the same showing the state engaged with the external protrusion;
Fig. 6 is a cutaway vertical sectional view of the main part showing a state in which the closing lid and the lid receiving frame are tightly fitted, Fig. 7 is a bottom view of the same, Fig. 8 is a sectional view taken along line C-C in Fig. 5, and Fig. 9 The figure is a plan view showing another embodiment, FIG. 10 is a bottom view of the same, and FIG.
The figure is an AA cross-sectional view in FIG. 9, FIG. 12 is an enlarged view taken along the line B-B in FIG. 9, FIG. 13 is an enlarged view of the same showing the state engaged with the external protrusion, and FIG. 15 is a bottom view of the same, FIG. 16 is a plan view of another embodiment, and FIG. 17 is a bottom view of the same. , 1st
8 is a sectional view taken along the line A-A in FIG. 16, FIG. 19 is an enlarged view taken along the line B-B in FIG. 16, FIG.
The figure is a cutaway vertical sectional view of the main part showing a state in which the closing lid and the lifting lid receiving frame are tightly fitted, and FIG. 22 is a cutaway plan view of the main part showing a state in which the protrusion is fitted. 1... Lid holder frame, 2... Lid holder step, 2a...
Horizontal surface, 6... recess, 7... locking protrusion, 10...
Closing lid, 11...protrusion, 12...locking rod, 12a...
...External protrusion, 15...Lid receiving frame for raising the volume.

Amendment January 28, 1982 The brief description of the drawing is amended as follows. In the 17th line of page 8 of the specification, the phrase ``Diagram'' in the brief description of the drawings was replaced with ``Diagram, Figure 23 is a plan view showing another embodiment, and Figure 24 is Figure 23. Fig. 25 is a cutaway longitudinal sectional view of main parts showing a state in which the closing lid is fitted to the lid receiving frame and the inner lid is fitted below the closing lid, and Fig. 26 is a longitudinal sectional view of the main part showing the lid receiving frame. 27th longitudinal cross-sectional view of main parts showing a state in which the inner lid is fitted to the
The figure is a plan view showing another embodiment, and Fig. 28 is a plan view showing another embodiment.
29 is a cutaway longitudinal sectional view of main parts showing a state in which the inner lid is fitted into the lid receiving frame, and FIG. A cutaway longitudinal sectional view of the main part showing a state in which the inner lid is fitted downward;
Fig. 31 is a plan view showing another embodiment, Fig. 32 is a sectional view taken along line A-A in Fig. 31, and Fig. 33 shows a case in which the closing lid is fitted into the lid receiving frame for raising the lid, and the middle is inserted under the closing lid. Main part cutaway longitudinal sectional view showing a state in which the lid is fitted, No. 34
The figure is a vertical sectional view of an underground valve chamber in which an opening meter unit is suspended from the opening meter inner lid, and the valve stem of the gate valve and the opening meter drive shaft are connected by a connecting rod. ” he corrected.

Claims (1)

[Scope of utility model registration request] A protrusion is vertically provided near the edge of the back surface of the closing lid that does not come into contact with the stepped portion formed on the circular lid receiving frame when mating, and a locking rod is inserted into the protrusion in the centripetal direction of the closing lid. A recess in which the outer protrusion of the locking rod projects outward to a position where it comes into contact with the lid receiver step, and the outer protrusion of the locking rod fits into the horizontal surface of the lid receiver step to prevent rotation of the closing lid. A lid holder frame for positioning and fitting a closing lid, which is provided with a recessed portion and locking protrusions that engage the protrusions on both sides of the recessed portion and are inserted in the centripetal direction.