JPH0527647Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a handle device used for the door of a commercial refrigerator.

[Prior Art] As disclosed in Japanese Utility Model Application Publication No. 60-70157, in a conventional door handle device, mounting vanes are provided protruding from the rear ends of the upper and lower side walls of the main body case. The main case is fixed to the door by inserting screws from the front side into the holes provided in the plate. Further, the handle is pivotally attached to the main body case by a pivot shaft passing through the upper and lower side walls of the main body case.

[Problems to be solved by the invention] However, as described above, the mounting blades protrude from the top and bottom sides of the main body case, and the fixing screws are exposed on the front side of the door and refrigerator main body. For structures exposed on the top and bottom sides,
Even if the movement of the handle or latch in the unlocking direction is restricted by the lock mechanism built into the main body case or a padlock that is attached at any time, it is still possible to loosen the fixing screw and remove the main body case itself, or to remove the pivot. The door can be opened by knocking it out of the main case.

Therefore, it is an object of the present invention to provide a door handle device with a concealed mounting part that has excellent security because it is not possible to remove the main case by loosening the fixing screws or to remove the handle pivot. .

[Means for solving the problem] The gist of the door handle device of the present invention will be described below using the reference symbols in the attached drawings. The gist of the device is that it comprises a mounting base 14 fixed to a door 22, a main case 1 connected to the mounting base 14, a handle 10 having a side portion 11 provided with an axial hole 13 for inserting a pivot 24 and rotatably fitted into a horizontally elongated opening 3 in a front wall portion 2 of the main case 1, and a latch 26 which is slidably guided along the mounting base 14, is biased forward in a protruding direction by a spring 30, retracts in conjunction with the handle 10, and disengages from a receiving metal 31 on a fixed frame 37 side.
In the door handle device, a through hole 23 for fastening to a door 22 is provided in a mounting base plate 14, a connecting step 6 is provided on the inner surface of the rear end of a left side wall 4 of a main body case 1, a connecting protruding wall 9 is provided on the inner surface of the rear end of a right side wall 68 of the main body case 1, and a bearing plate 15 of the handle 10 and a guide portion 16 of a latch 26 are provided.
The mounting base plate 14 is provided with a connecting recess 1 on the rear side of the left end of the mounting base plate 14, with which the step 6 engages.
9, a connecting protruding plate portion 20 facing the protruding wall portion 9 is provided on the front side of the right end portion of the mounting base plate 14, and a fixing screw 25 for connecting the protruding wall portion 9 and the protruding plate portion 20 is disposed on the inside of the protruding plate portion 34 on the back side of the handle 10.

[Function] When attaching this door handle device to the door 22, the mounting board 14 is brought into contact with a predetermined location on the front of the door 22, and the fixing screw 40 passing through the through hole 23 is inserted.
The mounting board 14 is fixed to the door 22 by. Next, attach the latch 26 to the latch guide portion 1 of the mounting board 14.
6, and the handle 10 is pivotally connected to the bearing plate portion 15 of the mounting board 14 by the pivot 24.

Next, with the left half of the handle 10 inserted into the horizontally long opening 3 of the main body case 1,
is brought closer to the mounting board 14 at an angle, and the step part 6 of the main body case 1 is moved into the recessed part 19 of the mounting board 14.
to engage. Push the main body case 1 toward the front of the door around the engaging portion, fit the mounting board 14 into the space at the rear end of the main body case 1, and then remove the main body case 1.
The projecting wall portion 9 and the projecting plate portion 20 of the mounting board 14 are made to face each other. By connecting the protruding wall portion 9 and the protruding plate portion 20 with fixing screws 25, separation of the stepped portion 9 and the recessed portion 20 is prevented, and the main body case 1 is connected to the mounting board 14.

In this door handle device, the right end grip portion of the handle 10 is pulled toward the user, and the handle 10 is moved to the pivot 24.
When rotated about , the interlocking lever mechanism causes the latch 26 to slide to the right against the bias of the spring 30. When the tip of the latch 26 separates from the latch receiver 35 of the receiver 31, the door 22 is unlocked from the fixed frame 37, and the door 22 is unlocked from the fixed frame 37.
is released by pulling the handle 10 further. When you release your hand from the handle 10, the latch 2
6 protrudes from the left side wall 4 of the main case 1 by the bias of the spring 30.

[Embodiment] In the illustrated embodiment, a receiving hole 17 in the front-rear direction is provided in the connecting projecting wall portion 9 of the main body case 1, and the projecting plate portion 20 of the mounting board 14 is inserted into the receiving hole 17. Since the main body case 1 and the mounting board 14 are fitted together, the assembly and connection between the main body case 1 and the mounting board 14 can be made more firmly. The protruding plate portion 20
The fixing screw 25 inserted through the through hole 36 is screwed into the screw hole 28 at the tip of the projecting wall 9.

The connecting step portion 6 of the main body case 1 is formed long on both upper and lower sides of the latch protruding cutout portion 5, and is connected to the mounting board 1.
The connecting recesses 19 of No. 4 are formed long over the entire width of the upper and lower shoulders to increase the bonding strength between the main body case 1 and the mounting board 14.

In this embodiment, since the pair of upper and lower bearing plate portions 15 also serve as guide portions for the pair of upper and lower extension plate portions 26a and 26b of the latch 26, they are formed in a wide trapezoidal shape on the front of the right half of the mounting board 14. A shaft hole 21 through which the pivot shaft 24 passes is provided at the front end of each bearing plate portion 15 so as to coincide with the shaft hole 13 of the handle 10. The biasing spring 30 of the latch 26 is inserted between the spring receiving surface 29 of the latch 26 and the spring receiving plate portion 18 of the mounting board 14. The dedicated latch guide portion 16 protruding from the left end of the mounting board 14 has a connecting plate portion 16c integrally formed between the tip portions of a pair of protruding plate portions 16a, 16b.

At the front of the right end of the mounting board 14, there is a support protrusion 6 that the back of the handle 10 comes into contact with in the locked state.
3 is provided. A through hole 43 is provided in the bearing plate portion 15 on the left side of the shaft hole 21, and a lock rod 44 of an external lock such as a padlock is inserted through the through hole 43 as necessary. The handle 10 is attached to the locking rod 44.
When the operation end 12 of the handle 10 comes into contact with the handle 10, the rotation operation of the handle 10 is prevented, and the door 22 is fully locked.

A release lever 59 is attached to the portion 11 of the handle 10 that is fitted into the main body case 1 by means of the pivot 24.
A drive lever 53 is pivotally connected to the latch 26, and a lock lever 45 is pivotally connected to the extension plate portions 26a, 26b of the latch 26 by a pivot shaft 48. handle 10
When pulled toward you, the operating end 12 pushes the release lever 59 and then the drive lever 53, so the drive lever 53 pushes the extension plate 26 of the latch 26.
Pull the round bar-shaped passive part 27 fixed between a and 26 to the right. As a result, the tip of the latch 26 separates from the latch receiver 35 of the receiver 31, and the door 22 is unlocked from the fixed frame 37.

A through hole 49 is provided in the mounting board 14 at a portion opposite to one passive end 61 of the release lever 59, and the front end of the inside push rod 50 is inserted through the through hole 49. By pushing the push rod 50, a person trapped in the refrigerator can move the latch 26 in the unlocking direction without moving the handle 10.

[Effects of the invention] As described above, the door handle device of the invention has the following advantages:
The connecting step 6 of the left side wall 4 of the main body case 1 and the connecting recess 19 of the left end of the mounting board 14 are engaged inside the main body case 1, and the main body case 1
The connecting protruding wall part 9 of the right side wall part 68 and the connecting protruding plate part 20 of the mounting board 14 are connected inside the main body case 1, and when the door is closed and locked, the protruding wall part 9 and the protruding plate part are connected. Since the fixing screws 25 of No. 20 are hidden inside the protruding plate part 34 on the back side of the handle 10, the connection between the main body case 1 and the mounting board 14 will not occur unless the handle 10 is unlocked and the handle 10 is lifted. cannot be released. The through hole 23 for fixing to the door 22 is connected to the main body case 1.
Since the fixing screw 40 inserted into the through hole 23 cannot be accessed, the mounting board 14 and the main body case 1 cannot be accessed.
cannot be removed from the door 22.

Further, since the bearing plate portion 15 is provided protruding from the front side of the mounting board 14 and the pivot shaft 24 of the handle 10 is inserted through the bearing plate portion 15, the pivot shaft 24 is also hidden within the main body case 1. , the pivot 24 cannot be removed from the bearing plate portion 15.

In this way, in the door handle device of the present invention, all the mounting parts are hidden from the outside, and the fixing screw 25
Since it is not possible to remove the main body case 1 and the mounting board 14 by loosening the handle 40 or to remove the pivot 24 of the handle 10, the door 22 is excellent in crime prevention and can accurately prevent the door 22 from being opened improperly.

[Brief explanation of the drawing]

FIG. 1 is a front view of a door handle device with a concealed mounting portion according to an embodiment of the present invention, FIG. 2 is a rear view of the door handle device, and FIG. 3 is a rear view of the door handle device. FIG. 4 is a left side view of the door handle device, and FIG. 5 is a right side view of the door handle device. Figure 6 is a sectional view taken along line A-A in Figure 1, and Figure 7 is a cross-sectional view of Figure 1.
FIG. 8 is a plan view of the door handle device, and FIG. 9 is a sectional view showing the door handle device in a locked state. DESCRIPTION OF SYMBOLS 1...Main body case, 2...Front wall, 3...Horizontal opening, 4...Left side wall, 5...Latch protrusion notch, 6...Connection step, 7...Top wall ,
8... Bottom wall part, 9... Connecting overhang wall part, 10...
...Handle, 11...Inset part of handle, 1
2... Operating end part, 13... Shaft hole, 14... Mounting board, 15... Bearing plate part, 16... Latch guide part, 18... Spring receiving plate part, 19... Connection recessed part,
20... Connecting protruding plate part, 21... Shaft hole, 22...
... Door, 23 ... Fixing hole, 24 ... Pivot, 25
... Fixing screw, 26 ... Latch, 27 ... Passive part, 28 ... Screw hole, 29 ... Spring receiving surface, 30 ...
... Spring, 31 ... Receiver, 32 ... Mounting seat plate, 33
... Standing plate part, 34 ... Handle protruding plate part, 3
5...Latch receiver, 36...Through hole, 37...Fixing frame, 38...Through hole for fixing, 39...Right side opening, 40...Fixing screw, 41...Fixing screw,
42... Arc-shaped back surface, 43... Through hole, 44...
Lock rod, 45...Lock lever, 46...Circular receiving part, 47...Round surface part, 48...Pivot,
49... Through hole, 50... Inside push rod, 51...
Vertical plate part, 52... Division groove part, 53... Drive lever, 54... Drive end part, 55... Fixing screw, 5
6...Threaded hole, 57...Through mounting hole, 58...Passive end, 59...Unlocking lever, 60...Drive end, 61...Passive end, 62...Support pin, 6
3...Support protrusion, 64...Passive pin, 65...
Interlocking wing plate, 66...screw hole, 67...flat surface portion, 68...right side wall portion.

Claims (1)

[Scope of utility model registration request] The mounting board 14 fixed to the door 22, the main body case 1 connected to the mounting board 14, and the part 11 on the side where the shaft hole 13 for the insertion of the pivot shaft 24 is provided are attached to the front wall part 2 of the main body case 1. A handle 10 is rotatably fitted into the horizontally elongated opening 3, is slidably guided along the mounting board 14, is urged forward in the projecting direction by a spring 30, and is interlocked with the handle 10. In this door handle device, a through hole 23 for fixing the door 22 to the door 22 is provided in the mounting board 14, and the latch 26 is detached from the holder 31 on the fixed frame 37 side. 4, a connecting step 6 is provided protruding from the inner surface of the rear end of the main body case 1, a connecting projecting wall 9 is provided protruding from the inner surface of the rear end of the right side wall 68 of the main body case 1, and a bearing plate portion of the handle 10 is provided. 15 and latch 26
A guide portion 16 is provided on the mounting board 14, a connecting recess 19 with which the stepped portion 6 engages is provided on the back side of the left end of the mounting board 14, and a connecting recess 19 is provided on the front side of the right end of the mounting board 14. A connecting protruding plate part 20 facing the protruding wall part 9 is provided in a protruding manner, and the protruding wall part 9 and the protruding plate part 20
This is a door handle device with a concealed mounting part, in which a fixing screw 25 for connecting the parts is arranged inside a protruding plate part 34 on the back side of the handle 10.