KR20160125701A

KR20160125701A - Reverse latch type planar handle device

Info

Publication number: KR20160125701A
Application number: KR1020150056467A
Authority: KR
Inventors: 윤지우
Original assignee: 주식회사 공진
Priority date: 2015-04-22
Filing date: 2015-04-22
Publication date: 2016-11-01
Also published as: KR101674552B1

Abstract

The present invention has a structure in which a latch handle is provided inside the door so that the latch handle is not exposed to the outside and the handle has no structure of rainwater and the directionality is improved to secure the locking function of the door, Latching type planar handle device.
There has been a problem that a rainwater drainage structure is not provided in the prior art, so there is a lot of concern about corrosion and the link operation structure is complicated, resulting in inconvenient use.
In the present invention, the adjustment projection 22 protruding from the rear of the latch handle 20 and the edge of the adjustment projection 22 are brought into close contact with the side- The upper and lower fixing shafts 90 and 92 pivotally connected to the link connection portion of the four-link link 40 and the upper and lower fixing shafts 90 and 92 are coupled to each other, And first and second guides 50 and 52 installed on the rear surface of the case 10 to guide the user.

Description

REVERSE LATCH TYPE PLANAR HANDLE DEVICE [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a reverse latch type flat-type handle device employed in a storage case body such as an electric distribution panel, a control panel, a cubicle, a cabinet, a rack, The latch handle is not exposed to the outside, the handle has a structure free of rainwater, and the directional property is improved to secure the locking function of the door so that the reliability of the product and the convenience of use can be achieved, .

In general, a handle used for a cabinet or a large locker is provided with a cylindrical body for fixing a handle to a predetermined position of a cabinet door, a handle is projected to the outside of the door at the center of the cylindrical body, The door is locked and released by being inserted into the groove of the door so that a hole is formed at the upper and lower ends of the cabinet on the inside of the handle so that the locking bar inserted into the hole locks and releases with the supporting protrusion of the door Respectively.

However, since the handle provided in the conventional cabinet is provided so as to protrude to the outside of the door, there is a problem in that it is inconvenient for the passage of arms or clothes during the passage, and particularly the safety of hitting the arm on the handle. The locking bar on the inner side of the door was warped or twisted and the locking and unlocking of the locking bar did not work properly, which made the door uncomfortable for opening and closing the door.

To solve these problems, a latch type flat-type handle device for a door has been developed in which the handle is housed in the case for safe and convenient use.

The latch-type flat-type handle device for a door is capable of locking the door with respect to the fixing body by pushing and pushing the latch body accommodated in the case with a spring and engaging the tip end of the latch body with the receiving rod on the side of the fixing body. This locked state is achieved by pulling out and rotating the latch handle from the case and retracting the latch body against the pressing spring with the operating projection of the latch handle.

Such a conventional latch type flat handle device requires a rotational movement of the latch handle to open and close the door.

On the other hand, in the conventional handle device, when the case is fixed to the panel to be locked, the worker grasps the case with one hand to closely contact the case with the door panel to be locked, and then fixes the case using the fastening means. So that the work efficiency is lowered.

In addition, the structure of the conventional latch type flat handle has a problem in that it is difficult to prevent corrosion due to inflow of rainwater and the structure of the latch or the drive of the reverse latch can not be achieved, so that the structure has a complicated structure, .

Korean Utility Model Registration No. 20-0475425 Korean Patent Publication No. 1997-0003224 Japanese Patent Application Laid-Open No. 2002-180720

SUMMARY OF THE INVENTION The present invention has been made in view of the problems of the prior art described above, and it is an object of the present invention to provide a door that can be safely used without being jammed or obstructed from the outside of the door, Which can prevent malfunction due to corrosion and provide a beautiful appearance, and which can achieve the reliability of the product and the convenience of use.

According to an aspect of the present invention, there is provided a portable terminal comprising: a latch handle provided with a plate on the outer periphery of the front face and provided with a space having a predetermined depth and width therein, And a locking bar protruding from the rear of the latch handle and a front end of the adjusting protrusion being in close contact with the side heat insulating fitting, A fourth link linking the first link member and the second link member in a linear and horizontal motion by the link movement, an upper and a lower fixing shaft pivotally connected to the link connection portion of the four-link link, and the upper and lower fixing shafts, And the first and second guides are installed on the rear surface of the guide member.

In addition, the four-bar link is pivotally connected to the first arm and the second arm, and the upper arm fixing shaft is pivotally connected to the upper arm and the lower arm fixing shaft is pivotally connected to the lower end of the link, And the locking bar to which the rotation is freely connected is linearly reciprocated.

In addition, on the rear surface of the case, upper and lower arm fixing shafts, which connect the four-bar link to the rail bars formed by the first guide and the second guide, .

The upper and lower fixing shafts are in close contact with a spring elastically supporting the rail bars of the first and second guides.

As described above, the reverse latch type planar handle device of the present invention allows the locking bar to be in the locked state and the released state in accordance with the four-bar linkage interlocked by the latching operation of the latch handle by the reverse latching method, It is installed in a drainage state without a long period of time to prevent a breakdown due to corrosion, thereby providing a safe and convenient latch handle opening and closing operation, thereby enabling economical and safe use.

In addition, the present invention solves the problem that the latch handle is housed in the case and is not exposed to the outside, so that an arm or a clothes is caught on the latch handle, thereby preventing a safety accident and obtaining a beautiful appearance with a simple structure, .

Further, according to the present invention, the latch handle and the four-section link are improved to a simple and new structure so that the displacement can be easily adjusted and can be produced at an inexpensive price, thereby achieving economical use.

Further, since the present invention does not propagate to the four-bar link and the lock device, it has a structure that can be protected from breakage or damage as the whole component life is prolonged.

1 is a perspective view of a reverse latch type planar handle according to the present invention,
2 is an exploded perspective view of a reverse latch type planar handle according to the present invention,
FIG. 3 is a perspective view of the reverse latch according to the present invention,
4A and 4B are explanatory views of the operation of the inverse latch according to the present invention,
5 is a front view of a reverse latch type planar handle according to the present invention,
6 is a sectional view taken along line AA in Fig. 5,
7 is a sectional view taken along line BB of Fig.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the accompanying drawings so as to enable a person skilled in the art to carry out the invention.

FIG. 1 is a perspective view of a reverse latch type flat handle according to the present invention, FIG. 2 is an exploded perspective view of a reverse latch type flat handle according to the present invention, FIG. 3 is a rear perspective view of a reverse latch according to the present invention, 5 is a front elevation view of a reverse latch type planar handle according to the present invention, FIG. 6 is a sectional view taken along line AA of FIG. 5, and FIG. Sectional view taken along line BB of Fig.

1 to 7, a reverse latch type planar handle device 100 according to the present invention includes a case 10, a latch handle 20, a locking bar 30, a four-bar link 40 The first and second guides 50 and 52, the lock unit 60 and the plate 79. [

A locking bar 30 installed to be reciprocatable horizontally from the rear surface of the case 10 by forward and backward movement of the latch handle 20 installed inside the case 10, (40) provided on a rear surface of the base (20) to support the entire body and protect the interior parts, a four-section link key (40) flowing together with the latch handle (20) And a lock unit (60) for locking and unlocking the lock unit (60).

The case 10 accommodates the latch handle 20 inside the front face and is pivotally mounted on one side end of the side wall 12 of the case 10 by a pivot shaft 14 at one end.

A four-bar link 40 mounted to the first guide 50 and the second guide 52 is provided on the rear surface of the case 10 so as to be in contact with the locking bar 30 Respectively.

The locking bar 30 has a leading end portion drawn out from the entry / exit hole 72 formed in the side surface of the plate 70 so as to be freely inserted and withdrawn and guided by the latch 52 to open and close.

The locking bar 30 includes upper and lower arm fixing shafts 90 fixed to the arm fixing holes 46 of the first arm 42 and the second arm 44 constituting the four- 92 are supported.

The four-link 40 is connected to the upper and lower fixing shafts 80 and 82 by a first arm 42 and a second arm 44 so that the first arm 42 and the second arm 44 can move in the vertical and horizontal directions, 50 and the second guide 52, respectively.

The upper and lower arm fixing shafts 90 and 92 are vertically reciprocatingly mounted on the rail bars 54 and 56 provided on the first guide 50 and the second guide 52, respectively.

The connecting portion of the first arm 42 is closely attached to the adjusting protrusion 22, which is formed integrally with the latch handle 20 and protrudes rearward, with a side connector 84.

The upper and lower arm fixing shafts 90 and 92 are supported by the springs 94 and 96 shown in the rail bars 54 and 56 so as to be able to be buffered.

The first arm 42 and the second arm 44 are connected to the guides 54 and 56 formed on the first guide 50 and the second guide 52 fixed to the rear surface of the case 10, And is pivotally connected to upper and lower fixed shafts 90 and 92 engaged with the upper and lower fixed shafts 90 and 92.

The second arm 44 is pivotally connected to one side of the locking bar 30 and the other side of the second arm 44 is coupled with a side connector 84 pivotally connected to the first arm 42.

The locking bar 30 coupled to the second arm 44 is moved in the direction of the link movement of the first arm 42 and the second arm 44 in accordance with the amount of interference of the adjusting projection 22 of the latch handle 20. [ As shown in Fig.

The locking bar 30 is advanced by the four-bar link 40 which operates in accordance with the horizontal axis movement of the adjusting projection 22 which moves integrally with the latch handle 20 and the first and second guides 50 52 by the restoring force of the springs 94, 96 provided on the rail bars 54, 56 of the guide rails 52, 52, respectively.

The locking bar 30 is inserted into the plate 70 in the direction in which the locking bar 30 protrudes from the case 10 and is engaged with the four-bar link 40 on the plate 70.

Here, the first arm 42 and the second arm 44 are integrally connected to each other so as to be capable of interlocking with each other by four-fold motion.

As shown in Figs. 2 to 6, the case 10 is formed in a box shape in which a space portion 16 is formed on the front face and a flange 14 is formed on the outer periphery of the front face.

A cylindrical receiving portion 66 for fitting the lock unit 60 is formed in a vertically lower portion of the latch handle 21 received in the case 10 so as to protrude outward from the back surface of the main body of the latch handle 20 .

The receiving portion 66 is formed in the shape of a cylinder having a storage space at the lower side of the latch handle 20 and a keyhole 98 of the lock unit 66 is formed at the front side of the latch handle 20 Is formed in a circular shape.

The lock unit 66 rotates the rotor by inserting a key into the front keyhole 98 and rotating the lock, and rotates the lock unit 60 in conjunction with the rotation of the rotor.

On the other hand, the assembled flat handle device 100 is mounted on the door so that the case 10 housing the latch handle 20 does not protrude from the surface of the door, and corresponds to the door provided with the latch handle 20 So that the locking bar 30 is locked and unlocked by the other frame.

When the latch handle 20 rotates in the forward and backward directions in the case 10, the adjusting protrusion 22 moves in the horizontal axis and interferes with the side connector 84 of the four-bar link 40, The locking bar 30 is operated by the sliding movement of the locking bar 30 to realize opening and closing operations.

The reverse latch plane handle 100, which is simple and easy to operate with such a simple structure, allows the case 10 to be mounted on a cargo compartment door of a bus. Even if rainwater flows in the space, Safe use and extending the life of the product.

100; A flat handle device 10; case
12; Side walls 14; Pivot axis
16; Space portion 18; flange
20; Latch handle 22; Control projection
30; A locking bar 40; Four-section link
42; A first arm 44; The second arm
46; Arm fixing holes 50, 52; First and second guides
60; Lock unit 62; Receiving portion
70; Plate 72; Access gate
80; District 82; Connector
84; Side connectors 90, 92; Upper and lower arm fixed shaft
94, 96;

Claims

A latch handle which is installed in a case provided with a plate on the outer periphery of the front and in which a space having a predetermined depth and width is formed so as to be able to move up and down; A latch handle device comprising a locking bar for opening and closing operation,
An adjusting protrusion protruding from the rear of the latch handle;
A four-bar link in which a tip end of the adjusting protrusion is brought into close contact with a side heat conductor to form a linear motion and a horizontal motion by a linking motion due to a physical movement;
An upper and a lower fixing shaft pivotally connected to a link connection portion of the four-bar link; And
And the first and second guides are coupled to the upper and lower fixing shafts to guide the vertical movement and installed at the rear surface of the case.

The method according to claim 1,
The four-bar link is pivotally connected to the first arm and the second arm, and the upper arm fixing shaft is pivotally connected to the upper arm, and the lower arm fixing shaft is pivotally connected to the lower end to pivot the first arm and the second arm. Wherein the freely connected locking bar is reciprocated linearly.

The method according to claim 1,
A first guide and a second guide are disposed on the rear surface of the case and upper and lower arm fixing shafts connecting the four-link link to the rail bars formed on the first guide and the second guide are coupled to each other, Wherein the latching device is a reverse latch type.

The method according to claim 1,
Wherein the upper and lower fixing shafts are in close contact with a spring elastically supporting the rail bars of the first and second guides.