JP4815497B2 - Lock handle device for door - Google Patents

Description

  The present invention relates to a door lock handle device in which a handle can be rotated up and down with respect to a base fixed to a door and can be rotated at an upright position.

  A metal base fixed to the door of the housing, a locking shaft whose base end side is rotatably supported through the base in a direction orthogonal to the front surface of the door, and fixed to the base end side of the locking shaft A door lock handle comprising: a latch plate; and a metal handle pivotally supported on the base end side so as to rotate up and down with respect to the base by a transverse shaft penetrating the lock shaft in a direction orthogonal to the distal end side of the lock shaft An apparatus is known (see, for example, Patent Document 1). This lock handle device is directly or indirectly connected to the handle when the handle is rotated about the locking shaft while the handle rotates around the transverse axis and stands upright or obliquely with respect to the base. The latch plate is configured to be detached from the metal receiving part of the housing. In the locked state, the handle is held in a restrained position. A cylinder lock is incorporated into either the handle or the base, and the handle locks the handle in a lying position with respect to the base.

JP 2002-266528 A

In the above-described conventional door lock handle device, when the handle erecting with respect to the base is rotated about the locking shaft, it is easy to apply a force in the direction of pushing down the gripped handle toward the base. When the handle is rotated in this state, the portion facing the base on the base end side of the handle meshes with the base, and both are damaged by the strong contact between the metals.
Therefore, an object of the invention according to this application is to provide a door lock handle device in which the handle and the base are not engaged with each other and damaged when the handle is rotated.

In order to solve the above problems, the door lock handle device according to this application includes a metal base 1 fixed to the door 31 of the housing, and a base end passing through the base 1 in a direction orthogonal to the front surface of the door 31. A locking shaft 5 rotatably supported, a latch plate 6 fixed to the proximal end side of the locking shaft 5, and a transverse shaft 12 penetrating the locking shaft 5 in the orthogonal direction at the distal end side of the locking shaft 5. And a metal handle 10 whose proximal end is pivotally supported so as to rotate up and down relative to the base 1. The latch plate 6 is detached from the housing receiver 33 by the rotational operation of the handle 10 about the locking shaft 5 after the handle 10 is turned upright about the transverse shaft 12. A protective member 14 made of an elastic synthetic resin is fixed to a portion of the base end side of the handle 10 facing the base 1 so as to be interposed between the handle 10 and the base 1 when the handle 10 is rotated. The protective member 14 prevents the metal of the handle 10 and the base 1 from being engaged with each other when the handle 10 is rotated.
Preferably, an engagement protrusion 16 is provided at a portion facing the base 1 on the proximal end side of the handle 10, and an engagement hole 18 that fits the engagement protrusion 16 is provided in the protection member 14. The protective member 14 is fixed to the handle 10 by fitting with the engaging hole 18.

  According to the device of the present invention, the protective member 14 made of an elastic synthetic resin is interposed between the handle 10 and the base 1 when the handle 10 is rotated. Since the meshing is prevented, the operation is performed smoothly, and neither is damaged by sliding. While the present invention has been described above with reference to the accompanying drawings, the present invention is not limited to this.

It is sectional drawing of a lock handle apparatus. It is a front view of the lock handle apparatus of FIG. It is sectional drawing of the state in which the handle of the lock handle apparatus of FIG. 1 stood up. It is a front view of the handle | steering-wheel of the lock handle apparatus of FIG. It is a side view of the handle | steering-wheel of the lock handle apparatus of FIG. It is a perspective view of a part of handle of the lock handle device of FIG.

  Embodiments of the present invention will be described with reference to the drawings. The base 1 is fastened and fixed to the door 31 by a washer plate 2 that is fitted into the mounting hole 31 a of the door 31 from the front side of the door 31 and is fitted and screwed from the rear side of the door 31. A packing member 3 is inserted between the peripheral edge of the base 1 and the front surface of the door 31.

  On the upper rear surface of the base 1, a bearing tube portion 4 projects at a right angle to the front surface of the door 31, and a locking shaft 5 is fitted into the bearing tube portion 4. The locking shaft 5 is prevented from moving in the axial direction, and a latch plate 6 is fitted to the base end angular shaft portion which is the rear end of the locking shaft 5 so as not to be relatively rotatable. To be fastened and fixed to the locking shaft 5.

  On the lower back surface of the base 1, a lock receiving cylinder portion 8 projects at a right angle to the front surface of the door 31. A cylinder lock 9 for restraining the handle 10 to the base 1 is fitted and fixed to the lock receiving cylinder portion 8.

The handle 10 includes a front plate 23 and a pair of parallel side plates 23 that stand along both edges of the front plate 23. On the back side of the front plate 23 at the upper end, which is the base end of the handle 10, a pair of bearing portions 11 are projected. The bearing portion 11 has an abutment surface 11a that determines the standing angle of the handle. Between the pair of bearing portions 11, the distal end portion of the locking shaft 5 is inserted. The handle 10 is pivotally attached to the distal end portion of the locking shaft 5 by a transverse shaft 12 parallel to the front surface of the door 31, and as shown in FIG. The undulation is rotated between the base 1 and a position standing obliquely.

A protective member 14 made of an elastic synthetic resin such as polyacetal is fixed to the back side of the base end portion of the handle 10, located below the bearing portion 11. A fitting recess 15 that receives the protective member 14 is formed in the side plate 23 at the base end of the handle 10. The front plate 23 at the base end portion of the handle 10 is provided with an engaging protrusion 16 for crimping the protective member 14. The protection member 14 has a convex portion 17 that fits into the fitting concave portion 15 and a stepped engagement hole 18 for press-fitting the engagement protrusion 16 to stop it. The protective member 14 has an inclined surface 14 a that faces the front surface of the base 1 substantially parallel to the handle 10 when the handle 10 stands (FIG. 3).

  An insertion window 20 for inserting a key (not shown) for operating the cylinder lock 9 and a visual window 21 for visually confirming whether the cylinder lock 9 is locked or unlocked are aligned on the distal end side of the handle 10. It is formed as a daruma-shaped hole.

  As shown in FIG. 1, when the handle 10 falls on the base 1, the main part of the handle 10 is immersed in the front side recess 13 of the base 1. In this lying state, the latch plate 6 is engaged with the metal receiving part 33 of the fixed frame body 32 such as a housing, and the door 31 is restrained against the fixed frame body 32. In this state, the handle 10 can be locked to the base 1 by the cylinder lock 9. The operation of the cylinder lock 9 is performed by inserting a key from the insertion window 20 when the handle is in a lying state. In the state where the handle is lying down, one of the two marks 9a and 9b indicating the locking or unlocking formed on the front surface of the cylinder lock 9 is exposed from the viewing window 21 to the front side depending on the state.

  In the lying state, the distal end portion of the lower end side of the handle 10 protrudes downward from the lower end portion of the base 1, and is formed so that the fingertip can be easily applied when the user stands up and rotates the handle 10. The handle 10 rotates in the standing direction with respect to the base 1, and stands up diagonally as shown in FIG. The handle 10 is held by a spring 19 in the standing state. When the user grips and rotates the handle 10 in this standing state, the locking shaft 5 rotates together with the handle 10, the latch plate 6 is detached from the metal receiving portion 33 of the fixed frame body 32, and the fixed frame body 32 is moved. The door 31 is unlocked. The door 31 is opened by pulling the handle 10 to the front as it is, so that the equipment installed in the housing can be inspected and repaired or used. By closing the door 31 and rotating the handle 10 in the opposite direction, the latch plate 6 is engaged with the metal receiving portion 33 again. The handle 10 is laid down and locked with the cylinder lock 9 by a key.

  If the cylinder lock 9 is in the locked state or unlocked state with the handle 10 lying down, it is possible to easily visually check the signs 9a and 9b from the visual window 21. Hard to occur. Without the viewing window 21 and the signs 9a and 9b, there is no choice but to confirm locking and unlocking according to the angle of the key insertion hole, and errors are likely to occur.

  When the handle 10 is gripped and rotated, there is a high possibility that the handle 10 is pushed toward the base 1 side (the lying down direction). When the handle 10 is rotated while being pressed, the surface 14 a of the protection member 14 slides while being pressed against the surface of the base 1. Since the elastic synthetic resin protection member 14 and the metal base 1 are slid, the frictional resistance is small, the operation is performed smoothly, and they are engaged with each other and are not damaged.

DESCRIPTION OF SYMBOLS 1 Base 2 Washer plate 3 Packing 4 Bearing cylinder part 5 Locking shaft 6 Latch plate 7 Bolt 8 Locking cylinder part 9 Cylinder lock 9a Marking 9b Marking 10 Handle 11 Bearing part 12 Transverse shaft 13 Recess 14 Protection member 14a Surface 15 Fitting recess 16 Engaging projection 17 Protruding portion 18 Engaging hole 19 Spring 20 Insertion window 21 Viewing window 31 Door 31a Hole 32 Housing 33 Receipt

Claims (2)

A metal base fixed to the door of the housing, a locking shaft whose base end side is rotatably supported through the base in a direction orthogonal to the front surface of the door, and fixed to the base end side of the locking shaft A latch plate, and a metal handle pivotally supported on the base end side so as to rotate up and down with respect to the base by a transverse shaft penetrating the locking shaft in the orthogonal direction on the distal end side of the locking shaft. In the door lock handle device in which the latch plate is detached from the housing receiver by rotating the handle around the locking shaft after the handle is turned upright.
A protective member made of an elastic synthetic resin is fixed to a portion facing the base on the base end side of the handle so as to be interposed between the base and the base when rotating the handle,
The handle extends from the proximal end to the distal end and is disposed in parallel with the front surface of the door when lying down, and is positioned at the proximal end to receive the proximal end side of the locking shaft and pass through the transverse shaft. A bearing portion that protrudes from the face plate to the back side and has a contact surface that determines the rising angle of the handle, and a front plate that stands on the back side along both side edges in the axial direction of the transverse axis on the front plate and is positioned at the tip side of the bearing portion A pair of parallel side plates having a fitting recess recessed to the side,
The protective member has a pair of convex portions on both sides that extend between the pair of side plates and fits on the fitting concave portion, and is opposed to the front surface of the base substantially in parallel when the handle is raised. Have
The door lock handle device according to claim 1, wherein the protective member prevents a scratch mark between the base end portion of the handle and the front surface of the base when the handle is rotated . On the base end side of the handle, an engagement protrusion is provided between the pair of side plates and protrudes from the back side of the front plate.
The said protection member is provided with the stepped engagement hole which penetrates the said engagement protrusion, and an engagement protrusion is crimped to the protection member within the said engagement hole, The claim 1 characterized by the above-mentioned. Lock handle device for doors.

Images