JP2584666Y2 - Locking lid of lock device - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cover for a lock device, which can normally close a lock device or the like mounted on a board and can open the lock device if necessary.

[0002]

2. Description of the Related Art FIG. 7 is a perspective view of a small safe, in which a hinge 2 is provided at one end of a box body 1 having an open front, and one end of a door 3 is attached to the hinge 2. As shown in the front view of FIG. 6, a plurality of key switches 4 for inputting a personal identification number, the input personal identification number is temporarily displayed, and a locked or unlocked state is displayed on the surface of the door 3. A board surface having a display window 5 is provided, and when a password is input, the door 3 is locked and unlocked by an internal control unit (not shown).

[0003] A cover lid A for closing a cylinder lock 6 for emergency unlocking (see Fig. 8) is provided below the board surface. The cover A is provided with a concave portion 7 provided on the surface of the door 3.
The case 8 is fixed to the case 8 and a cover 11 is inserted into a through-hole 9 penetrating the peripheral wall of the case 8, and the cover 11 rotates around the support shaft 10 (see FIG. 8). ).

The surfaces of the case 8 and the closed lid 11 are
A notch recess 12 is formed on the surface of the case 8 to make it easier to open the closed lid 11 formed on the same plane as the door 3 (see FIG. 6). The emergency unlocking cylinder lock 6 is not normally used, but is operated by an administrator in the event of an emergency in which the control unit breaks down, and is usually closed with the cover A in order to keep the door 3 beautiful. .

[0005]

In the assembly of the cover A, the peripheral wall near the through hole 9 of the case 8 is elastically expanded outward, and the support shaft 10 protruding from both side surfaces of the cover 11 is attached to the case 8. Then, the elastic deformation of the case 8 is released, and the support shaft 10 may be inserted into the through hole 9. However, since the position of the through hole 9 is near the left end in FIG. 8, it is difficult to elastically expand the peripheral wall near the through hole 9 of the case 8 outward, and it is difficult to assemble the cover A. there were. The purpose of the present invention is to solve such a problem.
It is intended to provide a cover such as a lock device which can be easily assembled without applying excessive elastic deformation to the cover.

[0006]

In order to achieve the above object, the present invention is mounted on a recess formed on the surface,
In a cover of a lock device for opening and closing a lock device and the like mounted on a bottom wall of the concave portion, a rectangular tube is formed by opposing side walls and an end wall connecting both ends of the side wall. A case in which a locking projection is formed on the inner wall surface of the groove, and a long hole is formed in the both side walls, the opening being provided on an end surface abutting on the bottom wall of the recess, and fixed to the bottom wall of the recess; A pair of upright walls respectively inserted into the upright walls are provided upright, and a support shaft for loosely fitting into the long hole is provided on an outer wall surface of both the upright walls, and the support shaft is pivoted to a position to close the case with the support shaft as a fulcrum. sometimes,
A cover for a lock device is constituted by a cover provided with an engagement projection for engaging with the locking projection and a lid provided on the upright wall with a lid support projection abutting on the bottom wall of the recess.

It is preferable that the cover of the lock device has a click projection on the outer peripheral surface of the upright wall, which abuts against the bottom wall of the recess when the lid is turned to the open angle.

[0008]

The assembling of the covering lid of the lock device constructed as described above can be performed by a simple operation of inserting the support shaft of the lid into the elongated hole from the opening side of the elongated hole. After attaching the cover of the lock device to the recess,
When the lid is closed, the lid supporting projection comes into contact with the bottom wall of the recess, so that even if a pressing force is applied to the surface of the lid, there is no possibility that the support shaft will recede along the elongated hole. Further, when the lid is opened, the click projection comes into contact with the bottom wall of the recess, so that the lid is held in the open state.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described with reference to the drawings. The same parts as those in the conventional example are denoted by the same reference numerals, and detailed description thereof will be omitted. 1 is a longitudinal sectional view showing a closed state of the covering lid A ₁ of the lock device, FIG. 2 is a longitudinal sectional view showing an open state of the cover lid A ₁ of the lock device, FIG 3 is an exploded covering lid A ₁ of the locking device It is a perspective view. As shown in FIG. 3, the coating lid A ₁ is constituted by the case 15 and the lid 16, the case 15 includes a opposing side walls 17, 17 connect the ends of the side walls 17, 17 the end wall 18, 18 This forms a square tube.

A boss 19 having a semicircular cross-sectional shape is provided protrudingly from the inner wall surfaces of the side walls 17 and 17 (only one boss 19 is shown in FIG. 3). A screw hole 20 is provided in 19, and both boss portions 19 are connected by a reinforcing beam 21. A lid contact portion 22 is formed on the inner wall surface of the side wall 17 and extends from the boss portion 19 to the right end wall 18. The upper surfaces of the boss portion 19 and the lid contact portion 22 are lower than the upper surface of the side wall 17 by substantially the thickness of the lid 16 (see FIG. 3).

A notch 12 is provided on the inner wall surface of one end wall 18 (right side in FIG. 3), and two locking projections 23 are provided below the notch 12. The locking protrusion 23 is formed in a triangular cross-sectional shape by a slope 23a protruding downward into the case 15 in FIG. 1 and a vertical surface 23b formed on the opposite surface of the slope 23a (FIG. 1). reference). The left end wall 1 is provided on the side walls 17 and 17.
At a position close to 8, an elongated hole 24 that opens to the lower surface is provided.

The lid 16 is connected to one end (see FIG.
A pair of arms 26 is provided at the right end (at the right end), and a pair of standing walls 27 are provided at the other end. The arm 26 is inclined inward toward the tip, and an engagement protrusion 28 is provided on the outer surface. A support shaft 29 is provided on an outer wall surface of the upright wall 27, and a lid support projection 30 is provided on an upper portion of an outer peripheral surface of the upright wall 27, and a rear end (left end in FIG. 1) of an outer peripheral surface of the upright wall 27. Is provided with a click projection 31.

The cover A of the lock device configured as described above.
The operation of ₁ will be described in the order of assembling, mounting, and opening and closing the lid. As shown in FIG. 4A, the lid 16 is assembled to the case 15 by a simple operation of inserting the arm 26 of the lid 16 from below the case 15 and inserting the support shaft 29 through the opening of the elongated hole 24. Can be

[0014]-covered A ₁ of the thus assembled lock device, when gradually closing the lid 16, the engaging projection 28 abuts against the locking protrusion 23, the engaging projection by the elastic deformation of the arms 26 After the arm 28 has passed the locking projection 23, the arm 26
Is elastically restored, the engaging projection 28 engages with the locking projection 23, and the lower surface of the lid 16 is
(See FIGS. 4B and 1).

When the screw 33 inserted into the recess 7 of the door 3 and the screw 33 inserted into the hole 32 in the bottom wall of the recess 7 is screwed into the screw hole 20 of the case 15 and attached to the recess 7, the side wall 17 and the end wall 18 Is in contact with the recess 7. When the lid 16 is closed, the lid supporting projection 30 abuts against the concave portion 7, and the lid 16 is held in a state where the emergency unlocking cylinder lock 6 (see FIG. 8) is closed (see FIG. 1). .

FIG. 5 is a longitudinal sectional view for explaining that the lid supporting projection 30 prevents the lid 16 from being dented.
If there is no lid supporting projection 30, when an external force F acts on the lid 16, the support shaft 29 descends along the elongated hole 24, and the lid 16 has no gap. However, there is a problem in that the cover support projection 30 abuts the recess 7 to support the cover 16, so that such rattling can be prevented.

When the lid 16 is opened, the click projection 31 abuts against the bottom wall of the recess 7 and the lid 16 is kept open, so that the emergency unlocking cylinder lock 6 can be easily unlocked ( (See FIG. 2).

[0018]

The cover of the lock device of the present invention is constructed as described above, so that the cover can be easily assembled to the case. The lid supporting projection provided on the upright wall has an effect of preventing a problem that the support shaft retreats along the long hole, and also has a function of holding the lid in a closed state. Further, the click projection provided on the upright wall holds the lid in an open state, so that the emergency unlocking cylinder lock can be easily operated.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view showing a closed state of a cover of a lock device.

FIG. 2 is a longitudinal sectional view showing an open state of a cover of the lock device.

FIG. 3 is an exploded perspective view of a cover of the lock device.

FIGS. 4 (A) and 4 (B) are front views for explaining an assembling capacity of a cover of the lock device.

FIG. 5 is a longitudinal sectional view for explaining the effect of the lid supporting projection.

FIG. 6 is a front view of a safe door.

FIG. 7 is a perspective view of a safe.

FIG. 8 is a longitudinal sectional view of a cover of a conventional lock device.

[Explanation of symbols]

A, A ₁ Cover lid of lock device 3 Door 6 Cylinder lock for emergency unlocking 7 Recess 15 Case 16 Lid 17 Side wall 18 End wall 23 Locking projection 24 Long hole 25 Plate portion 26 Arm 27 Standing wall 28 Engaging projection 29 Support shaft 30 Lid support projection 31 Click projection 33 Screw

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁶ , DB name) E05B 17/18

Claims (2)

(57) [Scope of request for utility model registration] 1. A method according to claim 1, further comprising:
A cover for a lock device for opening and closing a lock device and the like mounted on a bottom wall of the concave portion, wherein the cover wall is formed in a square cylindrical shape by opposing side walls and an end wall connecting both ends of the side wall, and one of the end walls A case in which a locking projection is formed on the inner wall surface of the inner wall surface, an elongated hole is provided on the both side walls, the opening surface being provided on an end surface abutting on the bottom wall of the concave portion, and the inner wall surface of the side wall is fixed. A pair of upright walls respectively inserted into the upright walls are provided upright, and a support shaft for loosely fitting into the long hole is provided on an outer wall surface of both the upright walls, and the support shaft is pivoted to a position to close the case with the support shaft as a fulcrum. A lid provided with an engaging projection engaging with the locking projection and a lid supporting projection abutting on a bottom wall of the recess on the upright wall. 2. A click projection which is provided on an outer peripheral surface of the upright wall when the lid main body is turned to an open angle and which comes into contact with a bottom wall of the concave portion. The cover of the lock device.