KR100810525B1 - Holding device for door - Google Patents

Abstract

The present invention relates to a door fixing device to form a housing 110 to be installed in the lower portion of the door (D) formed inside the receiving space 111, the receiving space 111 to one side of the bottom surface of the housing 110 A casing part 100 having a perforated opening 112 and having a fitting hole 115 penetrated through the receiving space 111 on the front surface of the housing 110; Forming the pressing body 220 having the first restoring spring 229 fixed to the receiving space 111 on both sides so as to ascend after pressing to the receiving space 111 of the casing part 100, the pressing body 220 A pressing part 200 having a catching hole 230 having a catching surface 231 which is inserted into the fitting hole 115 of the housing 110 at the distal end of the housing 110; The restoration body 310 is formed to be rotatably coupled to the lower portion of the pressing body 220 of the pressing unit 200, and the opening 112 when descending by pressing the pressing body 220 to the rear end of the restoring body 310. The support fixing bar 314, which combines the support 320, which is in close contact with the bottom surface through the through) is formed on both sides, and the catching surface (115) by pulling the catch 230 to the restoring body 310 231 includes a restoring part 300 having a pulling shaft 330 that is separated from each other, and a second restoring spring 316 that raises the restoring body 310 lowered by the pulling of the pulling shaft 330. Door fixing device characterized in that the configuration.

Housing, Pressurized Body, Hanger, Restoration Body, Support

Description

Door holding device for door

1 is a view showing a horseshoe which is a general door fixing device.

Figure 2 is an installation state showing a state in which the door fixing device according to the invention installed on the door.

Figure 3 is a side cross-sectional view showing a door fixing device according to the present invention.

Figure 4 is a front sectional view showing a door fixing device according to the present invention.

Figure 5 is a perspective view showing a state assembled by partially cutting the casing portion of the door fixing apparatus according to the present invention.

6 is an exploded perspective view showing a door fixing device according to the present invention.

Figure 7a is a view showing the operation sequence of the door fixing device according to the invention,

   a) is sectional drawing which shows the state which presses the press part of the door fixing device.

   b) is a cross-sectional view showing a state in which the door holding device is pressed, the support is in close contact with the floor surface and the state in which the door is pressed to close the door.

7b is a view showing the operation sequence of the door fixing device according to the present invention,

   c) The door is pressurized and the non-slip device is pulled from the bottom surface, while the restoring body of the restoring part of the door fixing device is rotated to the lower side about the restoring pivot, and the catch is rotated by the pulling shaft, so A cross-sectional view showing the separated state.

   d) is a cross-sectional view showing a state in which the pressing part and the restoring unit are returned to their original state by the first and second restoring springs while the locking surface of the locking port is separated from the fitting hole.

8A is a view showing the operation sequence of the auxiliary restorer of the door fixing device according to the present invention,

   a) is a cross-sectional view showing a state in which the locking surface of the locking hole does not escape the fitting hole in the state c of Figure 7b.

   b) is a cross-sectional view showing a state in which the pressing member is pressed by the pressing piece of the auxiliary restoring portion to press the locking surface of the latch.

8b is a view showing the operation sequence of the auxiliary restorer of the door fixing device according to the present invention,

   c) is a cross-sectional view showing a state in which the latch is released from the fitting hole by the pressing projection of the auxiliary restoration.

   d) A cross-sectional view showing a state in which the pressing part and the restoring part are returned to their original state by the first and second restoring springs while the locking face of the locking hole is separated from the fitting hole.

* Description of the symbols for the main parts of the drawings *

10: fixing device 100: casing portion

110: housing 111: accommodation space

112: opening 113: spring fixing protrusion

114: guide groove 115: fitting hole

116: hinge piece 117: hinge ball

200: pressurization portion 210: cover

220: pressurized body 221: pressurized slope

222: through part 223: fitting protrusion

224: Spring Fixture 225: Revolving Jam

226: pupil 227: restoration fixation

227a: Restoration shaft 228: Guide protrusion

229: first recovery spring 230: latch

231: engaging surface 232: support spring

233: insertion protrusion 234: pulling protrusion

235: rotation axis 300: restoration unit

310: restoration body 311: restoration slope

312: pulling shaft 313: restoration pivot

314: support bar 315: through hole

316: second restoration spring 320: support

321: step 322: separation prevention protrusion

323: buffer member 324: slipper

330: pull shaft 340: auxiliary restoration

341: pressing piece 342: pressing projection

343: hinge axis D: door

The present invention relates to a door fixing device.

In general, doors in apartments or offices are installed in a swinging manner. In order to frequently enter or leave the door open for a long time, the door has been fixed by inserting a temporary fixture made of wood or newspaper between the bottom and the bottom of the door.

However, this method is temporary and inconvenient to use, and also can not be fixed accurately and stably in the open state, the door may be accidentally closed, there is a problem that the access person is injured.

Therefore, in order to solve such a problem, a situation in which a door fixing device called a "presser foot" is installed.

1 is a perspective view showing a conventional door fixing device.

As shown in FIG. 1, the hinge shaft is centered on a mounting piece 1 fixed to the lower portion of the door D by a coupling means, and a pair of connecting pieces 2 protruding forward of the mounting piece 1. It comprises a support (3) which is fixed to be rotatable.

In addition, the lower end of the support 3 is provided with a packing 4 formed of a rubber-like material so that the support 3 can be stably in contact with the bottom surface.

According to this configuration, when the door D is to be fixed and maintained in the open state, the user rotates the support 3 downward by hand while the door D is opened so that the packing 4 can be closely adhered to the floor. Alternatively, the support 3 can be rotated downward by using the foot to keep the door open by packing 4 being tightly fixed to the floor.

In addition, when the door is closed, the door can be freely closed by pivoting the support 3 upward by hand, but the door lock is mounted on the lower part of the door, so that the door lock is supported by the foot of the door lock rather than a human hand. The door is fixed to the ground to fix the open state, and when the door is closed, the support close to the ground is lifted and returned to its original position.

However, the door stopper is not only supported diagonally at the bottom of the door, but also the length of the support is not easily caught by the foot, so it is not easy to return the door stopper to its original position.

In addition, there is a problem in that it is inconvenient to use the support to lower down and then back up after use to continue to give a constant force to the support pivoted around the hinge axis to be folded upward.

On the other hand, when the user rotates the support upward by hand to close the door, the user needs to touch the support, which is unsanitary and the inconvenience of having to bend the waist has occurred.

In addition, in the case of using the door fixing device for a long time or frequently, the contact between the mounting piece and the support is relaxed or the fixing force of the hinge shaft is relaxed, causing the support to rotate downward so that the packing is in close contact with the bottom surface.

The main object of the present invention devised to solve the problem, such as by stepping on the door fixing device by the foot so that the non-slip opening of the support is in close contact with the bottom surface to fix the open state of the door, when the door is pulled An anti-slip device is provided at the bottom surface so that an open door can be closed, thereby providing a door fixing device for convenience of use of the door fixing device.

As described above, the door fixing device of the present invention devised to achieve the object, forms a housing that is fixed to the lower portion of the door by forming a receiving space with an open upper surface therein, the opening penetrated into the receiving space on one side of the bottom of the housing A casing portion having a plurality of spring fixing protrusions formed on an inner circumferential surface of the receiving space and penetrating a plurality of fitting holes into the receiving space at the center of the front surface of the housing;

The pressing body is formed in the receiving space of the casing portion and has a first restoring spring fixed to both sides of the spring fixing protrusion of the storage space so as to rise after pressing to the lower side, and forming a pressing inclined surface to incline the bottom of the pressing body. A pressing part 200 having a restoring fixing piece through which a restoring shaft hole penetrates the front end part, and a locking part having a locking part provided at the front end of a locking face which is inserted into a fitting hole of the housing in the center of the front end of the pressing body;

Protruding outwardly the restoring rotational shaft which is rotatably coupled to the restoring shaft hole of the pressurizing body to both ends of the restoring body formed on the upper surface of the restoring inclined surface corresponding to the pressurizing inclined surface of the pressurizing part, and pressurized to the rear end of the restoring body When the body is lowered by pressure, the support fixing bar is formed on both sides through the opening and the support is in close contact with the bottom surface. One side is fixed to the rear end of the restoring body and the other side is fixed to the locking hole. The second recovery spring fixed to the spring fixing protrusion of the housing having a pull shaft which rotates around the restoration pivot to pull the catch and detach the catch surface from the fitting hole, and the restoring body lowered by the pull shaft pulls up. It is characterized by including the restoration formed in the support piece.

In addition, the pressing projection protruding to be released from the fitting hole by pressing the locking surface from the outside if the locking surface of the locking mechanism is not released from the fitting hole by pulling the restoration shaft pulled to the front of the housing of the door fixing device of the present invention;

A pressing piece having a flat plate shape formed in a plurality of centers of the pressing protrusion to correspond to the fitting hole of the housing;

The hinge shaft is protruded outwardly on both sides of the pressing piece to be fitted into the hinge hole of the hinge piece formed on both sides of the upper part of the front of the housing. Characterized in that it further comprises a secondary restore to make.

Furthermore, the support of the door fixing device of the present invention is formed through holes in the support fixing bar is inserted and coupled to the separation prevention protrusion which is in close contact with the upper surface of the support fixing bar so as not to be separated from the through hole in the upper outer periphery of the support;

A buffer member formed on a lower side of the anti-separation protrusion to be formed on the bottom of the step and the support fixing bar to support the support downward;

Characterized in that it consists of a non-slip device of the cushion form in close contact with the bottom surface by the pressure of the pressing body to the lower portion of the support.

Thus, looking at the preferred embodiment of the door fixing device of the present invention configured with reference to the drawings as follows.

First, in the drawings, the same components or parts are to be noted that the same reference numerals as possible. In describing the present invention, detailed descriptions of related well-known functions or configurations are omitted in order not to obscure the subject matter of the present invention.

2 is an installation state diagram showing a state in which the door fixing device according to the present invention is installed in the door, Figure 3 is a side cross-sectional view showing the door fixing device according to the present invention, Figure 4 is a view showing a door fixing device according to the present invention 5 is a perspective view showing an assembled state by partially cutting the casing portion of the door fixing device according to the present invention, FIG. 6 is an exploded perspective view showing the door fixing device according to the present invention, and FIG. A) is a view showing the operation sequence of the door fixing device, a) is a cross-sectional view showing a pressing state of the pressing portion of the door fixing device, b) is a state in which the support is pressed against the bottom surface by pressing the door fixing device to close the door Figure 7b is a view showing the operation state of the door lock device according to the present invention, c) is the door is pressed Off reombang sectional view earth showing the Waiting off in the bottom surface the surface is engaging balls, rotated by the pulling axis as the restoration unit restores the body of the door fixing device pivoting downward about the restoration pivot axis engaging a departure from the fitting holes state. d) is a cross-sectional view showing a state in which the pressing part and the restoring unit are returned to their original state by the first and second restoring springs while the locking surface of the locking hole is separated from the fitting hole, and FIG. 8A is an auxiliary restoration of the door fixing device according to the present invention. A) is a cross-sectional view showing a state in which the engaging surface of the locking mechanism does not escape the fitting hole in the state c of Figure 7b. b) is a cross-sectional view showing a state in which the pressing projection pressing the pressing piece of the auxiliary restoring the pressing surface of the locking projection, Figure 8b is a view showing the operation sequence of the auxiliary restoring unit of the door fixing device according to the present invention c) A cross-sectional view showing a state where the locking hole is released from the fitting hole by the pressing projection of the auxiliary restoring unit. d) It is sectional drawing which showed the state which the pressing part and the restoration part returned to the original state by the 1st and 2nd rest | restor springs, when the locking surface of the latching hole escapes from the fitting hole.

As shown in Figures 2 to 8b, the door fixing device 10 of the present invention and the casing portion 100 is formed with a housing 110 is fixed to the lower side of the door (D); Forming the pressing body 220 is inserted into the housing 110 of the casing unit 100 to move up and down, and the first restoring spring 229 to raise the pressing body 220 on both sides of the pressing body A pressing part 200 having a locking hole 230 which is caught by the housing while being formed at the front end of the pressing body 220; The lower end of the pressing body 220 is formed in the lower end of the pressing body 220 to form a restoring body 310 rotatably coupled to the restoring hinge axis 343, the rear end of the restoring body 310 is in close contact with the bottom surface A support fixing bar 314 is formed to combine the support 320 to be formed, and at the rear end of the restoring body 310, a pulling shaft 330 is formed to separate the locking opening 230 from the housing from the housing and the locking opening ( 230 is configured to include a restoring unit 300 to lift the restoring body 310 while being separated from the housing 110.

The casing part 100 is configured to fix the housing 110 having the accommodation space 111 in a space shape having an upper surface open therein to be fixed to a lower side of the door D.

Here, the housing 110 has an opening 112 which penetrates into the receiving space 111 at one side of the bottom surface, and a plurality of spring fixing protrusions 113 protruding toward the center on both inner circumferential surfaces of the receiving space 111 are formed. do.

In addition, the guide groove 114 having a groove shape may be formed from the upper side to the lower side on the inner front end surface and the rear end surface of the accommodation space 111.

On the other hand, the hinge piece 116 penetrating the hinge hole 117 on both sides of the front upper portion of the housing 110 may be formed to face each other.

The pressurizing part 200 includes a pressurizing body 220 inserted into the housing 110 of the casing part 100 to move up and down; First restoring springs 229 formed on both sides of the pressing body 220 to raise the pressing body 220; Consists of the engaging port 230 to the pressing body 220 to the housing 110 to the front end portion of the pressing body 220.

The pressing body 220 of the pressing unit 200 has a restoring fixing piece which penetrates the restoring shaft hole 227a at the front end of the pressing inclined surface 221 while forming a pressing inclined surface 221 to be inclined from the rear end to the front end of the pressing unit 200 ( 227 is provided at both sides, and the rotating engaging piece 225 having the rotating hole 226 penetrated in the center of the tip end portion of the pressing body 220 is formed to face each other.

Here, the first restoring spring 229 is formed on both side surfaces of the pressurizing body 220 so that the restraining force of the locking mouth 230 is released by the external pressing force and then lifts up, and the upper end of the first restoring spring 229 is formed. Is fixed to the spring fixing protrusion 113 of the receiving space 111, and protruding outwardly the spring fixture 224 on both sides of the pressing body 220 is formed to fix the rear end of the first restoring spring (229). .

Furthermore, the through part 222 penetrating from one side to the other side is formed in the center of the pressing body 220, and the fitting protrusion 223 protruding forward is formed on the inner rear end surface of the through part 222.

In addition, protruding the guide protrusion 228 that is inserted into the guide groove 114 of the housing 110 on the front end surface and the rear end surface of the pressing body 220 is formed to guide when the pressing body 220 rises and falls, It is preferable.

In addition, it is ideal to form a cover 210 in the form of a flat plate on the upper end surface of the pressing body 220 to form a wide area for pressing the pressing unit 200 from the outside.

The locking port 230 of the pressing unit 200 protrudes outward from the rotating shaft 235 to be rotatably coupled to the rotating hole 226 of the rotating engaging piece 225 on the lower side, and the upper side forward. Protruding the engaging surface 231 is inserted into the fitting hole 115 of the housing 110 so that the pressing body 220 can be fixed after descending.

In addition, when the pressing body 220 is not lowered and the door D is closed, the locking surface 231 of the locking hole 230 is formed to be inserted into the uppermost fitting hole 115 of the plurality of fitting holes 115. do.

Here, the pulling projections 234 protruding outwardly are formed on both sides of the rear end portion of the locking hole 230, and the insertion protrusion 233 protruding rearwardly is formed on the rear surface of the locking hole 230.

Further, the rear end portion is fixed to the fitting protrusion 223 to support the catching hole 230 forward, and the support spring 232 is fixed to the inserting protrusion 233 of the catching hole 230.

The restoring unit 300 includes a pressing body 220 coupled to rotate with the pressing body 220; A supporter 320 coupled to the pressing body 220 to be in close contact with the bottom surface when the pressing part 200 is pressed; A pulling shaft 330 fixed to one side of the pressing body 220 and the other side of the pressing body 220 to a locking hole 230 of the pressing unit 200; After the pulling shaft 330 is pulled to constitute a second restoring spring 316 to raise the pressure body 220.

The pressing body 220 of the restoring unit 300 forms a restoring inclined surface 311 which is inclined from the rear end to the distal end thereof so as to correspond to the inclined surface 221 of the pressing body 220 on the upper surface thereof, and the restoring inclined surface 311. Protruding outwardly the restoring rotation shaft 313 rotatably coupled to the restoring shaft hole 227a of the restoring fixing piece 227 on both ends of the front end portion.

Here, the pull shaft projection 312 is formed to protrude outwardly to both sides of the rear end of the restoration body 310 is formed, the support plate-shaped support corresponding to the opening 112 of the housing 110 to the lower side of the pull shaft projection 312 The fixing bar 314 is formed, and the support fixing bar 314 forms a through hole 315 in the form of a through hole.

The support 320 of the restoring unit 300 is inserted and coupled to the through hole 315 of the support fixing bar 314 to support the fixing so as not to be separated from the through hole 315 in the upper outer periphery of the support 320 While forming the departure prevention protrusion 322 in close contact with the top surface of the bar 314, to form a step 321 on the lower side of the departure prevention projection 322, the step of the step 321 and the support fixing bar 314 A buffer member 323 is formed between the bottom surface to support the supporter 320 downward.

In addition, it is ideal to form a non-slip device 324 of the cushion form in close contact with the bottom surface by the pressure of the pressing body 220 in the lower portion of the support 320.

The pulling shaft 330 of the restoring unit 300 is inserted and fixed to the rear end portion to be pivotable to the pulling shaft projection 312 of the restoring body 310, the front end portion of the engaging portion 230 formed in the pressing portion 200 It is rotatably fixed to the pulling protrusion 234 is formed so as to leave the locking surface 231 of the locking port 230 inserted into the fitting hole 115 of the housing 110 by the lowering of the pressure body 220.

Here, both ends of the pull shaft 330 is formed in a rolling shape, the installation is easily formed on the pull shaft projection 312 and the pull projection 234, the pull shaft 330 may be formed as a shaft or wire. .

The second restoring spring 316 of the restoring unit 300 is fixed to both sides of the support fixing bar 314 of the restoring body 310, the catching of the latch 230 by the pull of the pull shaft 330 As the surface 231 is separated from the fitting hole 115, the upper end portion is fixed to the spring-loaded protrusion 113 of the housing 110 so that the restoring body 310 rises to form the restoring body 310.

On the other hand, by pulling the pull shaft 330 of the restoring portion 300 to the front of the housing 110 of the casing portion 100, the locking surface 231 of the locking port 230 is not separated from the fitting hole 115. When forming the auxiliary restoring unit 340 to press the latch 230 from the outside.

Here, the auxiliary restoring unit 340 is inserted from the front of the fitting hole 115 penetrating the housing 110 to press the pressing projection 342 to press the rear surface so that the locking surface 231 is separated from the fitting hole 115. A plurality of flat plate-shaped pressing pieces 341 are formed in the inner center to correspond to the fitting holes 115.

Further, the pressing piece 341 is protruded outwardly by protruding the hinge shaft 343 inserted into the hinge hole 117 formed in the hinge piece 116 of the housing 110 on both upper sides of the pressing piece 341. It is formed to be rotated about the hinge axis (343).

Referring to the operating state of the present invention configured as described above are as follows.

First, the door fixing device 10 is fixedly installed at the lower side of the door (D), and when the person frequently enters through the door (D) or when you want to fix the open state for a long time to open the door (D) can enter and exit When the space of the degree occurs, press the foot 210 to press the cover 210 of the pressing unit 200 to press the pressing body 220 to the lower side.

As such, when the pressing body 220 is pressed downward, the restoring body coupled to the pressing body 220 and the restoring rotating shaft 313 while the first restoring spring 229 and the second restoring spring 316 are expanded to the pressing force. 310 is lowered.

At the same time, as the locking surface 231 of the locking hole 230 inserted in the uppermost fitting hole 115 is separated and inserted into the lower fitting hole 115, it is fixed and supports the locking opening 230 forward. The fixing force of the locking port 230 is improved by the spring 232.

In addition, as the restoring body 310 is lowered, the non-slip tool 324 of the support 320 is in close contact with the bottom surface of the support fixing bar 314 by pressing the buffer member 323 to support the support 320 It can be elastically in close contact with the floor.

At this time, the support 320 is pressed by the shock absorbing member 323 to prevent breakage of the support 320 when the pressure body 220 is lowered, and is not separated to the outside by the release preventing protrusion 322. 315) Freely move up and down inside.

In addition, when the non-slip 324 of the support 320 is in close contact with the bottom surface, the restoration body 310 is rotated about the restoration rotation shaft 313 by the elastic force of the buffer member 323 and the restoration slope ( As the rear end of the 311 is close to the rear end of the pressure inclined surface 221, the pulling shaft 330 is supported forward to further improve the fixing force of the latch 230.

In such a state, the open state of the door D is fixed to allow a person to enter and exit.

Next, when closing the open state of the door (D), when the door (D) is pressed in the opening direction, the non-slip 324 of the support 320 is attracted to the bottom surface and the restoration body 310 is restored As the rotational shaft 313 is rotated around, the restoring inclined surface 311 that is close to the pressure inclined surface 221 is spaced apart, and the pulling shaft 330 pulls the locking hole 230.

In this way, the locking hole 230 is pulled while being rotated about the rotation shaft 235 by the pull shaft 330 and the locking surface 231 is separated from the fitting hole 115 and expanded at the same time first, second Restoration springs 229 and 316 are contracted so that the pressing body 220 and the restoring body 310 are raised.

In addition, the pressure body 220 is raised without flow by the guide protrusion 228.

As such, the restoring body 310 ascends, the support preventing part 322 of the support 320 is in close contact with the upper surface of the support fixing bar 314, and the support 320 is raised to be in close contact with the bottom surface. The non-slip 324 is spaced to close the door (D).

On the other hand, when a malfunction occurs because the locking surface 231 of the locking hole 230 is not separated from the fitting hole 115 by the pulling of the pulling shaft 330, the auxiliary restoration formed on the front surface of the housing 110 of the casing unit 100 The pressing piece 341 of the part 340 is pressurized.

As such, when the pressing piece 341 of the auxiliary restoring unit 340 is pressed, the pressing piece 341 is rotated around the hinge shaft 343, and the pressing protrusion 342 is caught by the locking surface 231 of the locking hole 230. While pressing the fitting hole 115, the first and second restoring springs 229 and 316 are contracted, and the pressing body 220 and the restoring body 310 are raised, and the supporter on the upper surface of the support fixing bar 314. As the escape preventing protrusion 322 of the 320 is in close contact with the support 320 is raised so that the non-slip device 324 that is in close contact with the bottom surface can be closed to close the door (D).

The door fixing device 10 configured as described above can fix the open state of the door door (D) in close contact with the ground by sliding the foot slip 324 of the support (320) and the waist when closing the door (D) The door (D) can be closed by spaced apart from the bottom surface of the sliding strip 324 of the support 320 using the door (D) to improve the usability of the user.

As described above, the door fixing device of the present invention, when the door is opened to the extent that a person can enter and exit, while the pressure body and the restoring body is lowered inside the housing just by pressing the cover of the pressure portion with the foot in the standing posture. The anti-slip port of the earth is in close contact with the bottom surface to fix the open state of the door, so that the operation state of the support can be easily adjusted easily, thereby improving the usability of the user.

In addition, the door fixing device of the present invention when the door is pulled to close the open door while the restoring body of the restoring unit is rotated about the restoring pivot, and the pull shaft is pivoted about the pivotal shaft by pulling the catch. As the pressing body and the restoring body are lifted by the first and second restoring springs, the sliding body of the support is separated from the floor, and the door is closed. The restoring operation of the support is convenient. An improvement effect occurs.

Furthermore, the door fixing device of the present invention can operate the locking door by pressing the pressing protrusion of the auxiliary restoring part when the locking surface of the locking door is not separated from the fitting hole, thereby preventing malfunction of the locking door, thereby improving the operability. do.

On the other hand, the door fixing device of the present invention by the support spring is supported by the locking hole forward to support the locking hole inserted into the fitting hole to the fitting hole side has the effect of improving the fixing force of the locking surface.

In addition, one end of the first and second restoring springs is fixed to the pressurizing body and the restoring body, and the other end is fixed to the housing so that the restoring spring is expanded and the door is fixed while the restoring body is lowered by the pressurization of the pressurizing part. Restoration is quickly performed by the restoring force of the expanded restoring spring while the engaging surface leaves the fitting hole when closing, thereby providing an effect of improving restorability.

In addition, the lower side of the cushioning member of the support is in close contact with the step and the upper side is in close contact with the bottom of the support fixing bar to press the buffer member by the pressure of the support fixing bar, the support is pressed by the buffer member, the anti-slip device In close contact with the bottom surface, there is an effect that can prevent the breakage of the support that can be caused by the pressing force.

Although the present invention has been described with reference to one embodiment shown in the drawings, this is merely exemplary and will be understood by those of ordinary skill in the art that various modifications and variations can be made therefrom. Therefore, the true technical protection scope of the present invention will be defined by the technical spirit of the appended claims.

Claims (6)

An opening 112 having an upper surface opened therein to form a housing 110 fixed to the lower portion of the door D, and an opening 112 penetrating into the accommodation space 111 on one side of the bottom of the housing 110. And a plurality of spring fixing protrusions 113 formed on the inner circumferential surface of the accommodation space 111, and a plurality of casing portions penetrating the fitting holes 115 through the accommodation space 111 at the front center of the housing 110. 100); The pressurized body provided with both sides of the first restoring spring 229 fixed to the spring fixing protrusion 113 of the accommodating space 111 so as to be accommodated in the accommodating space 111 of the casing part 100 and pressurized to the lower side. And a restoring fixing piece 227 through which the restoring shaft hole 227a penetrates the distal end of the inclining surface 221 while forming the inclined surface 221 so as to incline the bottom of the pressurizing body 220. A pressing part 200 having a catching hole 230 having a catching surface 231 inserted into the fitting hole 115 of the housing 110 at the center of the tip end of the pressurizing body 220. The restoration inclined surface 311 corresponding to the pressure inclined surface 221 of the pressing unit 200 is rotatable to the restoration shaft hole 227a of the pressure body 220 to both sides of the front end of the restoration body 310 formed on the upper surface. Supporting unit 320 is formed to protrude outwardly coupled to the restoration pivot 313, the lower end of the restoration body 310 through the opening 112 when pressed by the pressure of the pressing body 220 in close contact with the bottom surface ) Is formed on both sides of the support fixing bar 314 is coupled, one side is fixed to the rear end of the restoring body 310 and the other side is fixed to the locking port 230 of the support sphere 320 when pressing the door (D) It is provided with a pull shaft 330 which pulls out the locking surface 230 from the fitting hole 115 while being rotated about the restoration pivot 313 by the pulling, and pulls the pull shaft 330. Supporting fixing bar supporting the second restoring spring 316 fixed to the spring fixing protrusion 113 of the housing 110 so that the restored body 310 lowered to Door fixing device, characterized in that configured to include a restorer 300 formed in 314. The method of claim 1, A plurality of guide protrusions 228 are formed on the front end surface and the rear end surface of the pressing body 220, and the guide protrusions 228 are formed on the inner circumferential surface of the receiving space 111 of the housing 110 corresponding to the guide protrusions 228. The guide groove 114 is formed so that it is inserted, the door fixing device, characterized in that configured to move up and down without shaking during the pressing of the pressure body 220. The method of claim 1, Door cover device, characterized in that to form a cover 210 in the form of a flat plate on the upper surface of the pressing body 220 to widen the area for pressing the pressing unit 200 from the outside. The method of claim 1, If the catching surface 231 of the catching hole 230 is not detached from the fitting hole 115 by pulling the pull shaft 330 of the restoring part 300 toward the front of the housing 110 of the casing part 100, the catching hole A pressing piece 341 in which a plurality of pressing protrusions 342 protruding from the fitting hole 115 to press the locking surface 231 from the outside to be separated from the fitting hole 115 are formed in the inner center thereof; The hinge shaft 343 is formed to protrude outwardly on both upper sides of the pressing piece 341 so that the hinge shaft 343 is fitted into the hinge hole 117 of the hinge piece 116 formed on both sides of the front upper portion of the housing 110, and is caught by external pressure. If the surface 231 is not separated from the fitting hole 115, the door fixing device characterized in that it further comprises an auxiliary restoring unit 340 for operating by pressing the locking surface 231 of the locking port 230 from the outside . The method of claim 1, In the center of the pressing body 220 of the pressing portion 200 to form a through portion 222 penetrating from one side to the other side, the fitting projection 223 on the rear end surface of the through portion 222 to protrude forward Formed to form a support spring 232 fixed to the rear end, and formed to protrude an insertion protrusion 233 inserted into the front end of the support spring 232 to the rear end of the locking hole 230, the locking hole 230 The door fixing device, characterized in that configured to be elastically supported forward by the support spring (232). The method of claim 1, The support 320 of the restoration unit 300 is formed in the through hole 315 in the support fixing bar 314 is inserted into the through hole 315 is coupled to the through hole (upper periphery of the upper outer periphery of the support 320) A separation preventing protrusion 322 formed to be in close contact with the upper surface of the support fixing bar 314 so as not to be separated from the 315; A buffer member 323 is formed on the bottom of the step 321 and the support fixing bar 314 by forming the step 321 at the lower side of the separation preventing protrusion 322 to support the support 320 downward. And; Door fixing device, characterized in that consisting of a non-slip device 324 of the cushion form in close contact with the bottom surface by the pressure of the pressing body 220 in the lower portion of the support 320.

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