CN219081262U - Three-point contact intelligent safety door lock - Google Patents

Abstract

The utility model belongs to the technical field of elevator door locks, and particularly relates to an intelligent safety door lock with three-point contact, which comprises: the door lock comprises a door lock shell, a door lock backboard, a lock tongue, push switches, a closing piece, a push piece, a pulling piece column and a door frame, wherein the door lock backboard is arranged on the back surface of the door lock shell, two push switches are arranged in the door lock backboard, spring pieces are respectively arranged on the front surfaces of the two push switches, the lock tongue is arranged between the two push switches, and the lock tongue is fixed on the door lock backboard by adopting a fixed valve; a notch is arranged below the door lock shell; the utility model discloses a lifting system of an elevator, which is characterized in that a closing sheet is inserted into a notch of a door lock shell, a lock hole is formed in one section of the closing sheet inserting notch, and the lower part of a lock tongue is inserted into the hole of the closing sheet.

Description

Three-point contact intelligent safety door lock

Technical Field

The utility model belongs to the technical field of elevator door locks, and particularly relates to an intelligent safety door lock with three-point contact.

Background

In addition to using a crane, the building on the site faces some high-rise buildings, and an elevator for the building needs to be additionally installed to transport materials for the high-rise buildings.

Under the condition of safe use of the elevator for the building, whether the elevator door can be completely closed is a potential safety hazard which is easy to ignore, the elevator door is locked among the elevator doors in the prior art in a locking manner, and the locking is easy to be caused when the elevator door is deformed or the locking deformation occurs; and under the condition of closing the elevator door, the elevator can be operated up and down easily under the condition of not realizing whether the elevator door is completely closed and locked, at the moment, the goods in the elevator can be easily dropped out, and the elevator can be easily broken down, so that a safety door lock capable of ensuring the safety closure between the elevator doors and realizing the up and down operation of the elevator is needed to be made.

Disclosure of Invention

The utility model aims to provide an intelligent safety door lock with three-point contact, which aims to solve the problem that the prior elevator door in the prior art locks the elevator doors in a locking manner, and the locking manner is easy to cause unlocking when the elevator door is deformed or the locking deformation occurs; and under the condition of closing the elevator door, the elevator can easily operate up and down without realizing whether the elevator is completely closed and locked, at the moment, the goods in the elevator can easily fall out, and the technical problem of elevator faults can also be easily caused.

In order to achieve the above purpose, the embodiment of the utility model provides a three-point contact intelligent safety door lock;

optionally, a three-point contact intelligent safety door lock includes: the door lock comprises a door lock shell, a door lock backboard, lock tongues, push switches, closing sheets, push sheets, a fixing plate, a shifting sheet column, a door frame, a first door leaf and a second door leaf, wherein the door lock backboard is arranged on the back of the door lock shell and is fixed above the front face of the door frame; a notch is arranged below the door lock shell and is connected with the lower part of the door lock backboard; the two elastic pieces are arranged in the door lock shell, and the door lock shell wraps the two elastic pieces and the pressing switch connected with each elastic piece; the upper ends of the two pressing sheets are bent, each pressing sheet is inserted into the notch of the door lock shell after being closed by the first door leaf and the second door leaf, and each pressing sheet is inserted into one end of the notch and presses the corresponding elastic sheet; a plectrum column is arranged above the door lock shell in a penetrating way and is connected with one end of a plectrum in the door lock shell, and the other end of the plectrum is connected with the top end of the lock tongue in a matching way; the closing piece is inserted into the notch of the door lock shell, a section of the closing piece inserted into the notch is provided with a lock hole, the lower part of the lock tongue is inserted into the hole of the closing piece, and the lower part of the closing piece is fixed on the front surface of the first door page; the pressing piece is provided with two pieces, and two pieces the top of pressing piece is pressed with each shell fragment respectively and is contradicted, and two pressing piece below is fixed in the front and the top of first door leaf or second door leaf respectively.

The door lock shell and the door lock backboard are installed in a mutually closed mode through screws, and the door lock backboard is provided with a plurality of wire holes.

The two pressing switches extend out of the spool through the spool respectively and are electrically connected with an external control switch and a power supply; and a spring is arranged between the two buttons of the push switch and the elastic sheet, and the elastic sheet is ejected out of the strip-shaped groove of the door lock shell through the spring.

The fixed valve is an electromagnetic valve, and a lock tongue in the fixed valve is lifted along the fixed valve and is locked and fixed through the fixed valve; the fixed valve extends out of the spool through the spool and is electrically connected with an external control switch and a power supply.

The fixing plate is arranged in a horizontal section and a vertical section; a horizontal section of the fixing plate is fixed on the lower side of the beam above the door frame and is padded below the door lock backboard; a vertical section of the fixed plate is arranged at the rear end of a horizontal section, and a magnet gasket is arranged on the front surface of the vertical section of the fixed plate; a vertical section of the fixed plate is padded on the back surface of the first door page or the second door page.

The first door leaf and the second door leaf are respectively arranged in the door frame.

One side of the plectrum post, which is far away from the plectrum, is provided with a cover plate, the cover plate is fixed on the front surface of the door lock shell by adopting a shaft, and the cover plate rotates along the shaft.

The above technical scheme or schemes in the three-point contact intelligent safety door lock provided by the embodiment of the utility model at least have one of the following technical effects:

the elevator door can be completely closed by controlling the three safety points, so that the elevator can safely lift up and down.

According to the utility model, the first door pages and the second door pages are opposite to each other, and one side of each first door page opposite to each second door page is outwards or inwards unfolded; then, the second door leaf is closed inwards, the pressing piece arranged on the second door leaf presses and abuts against the other elastic piece, after the two pressing pieces respectively press and abut against the elastic pieces, the pressing switch connected with the two elastic pieces transmits a pressing signal to the elevator, so that a starting program of the elevator can be started, and the starting lifting of the elevator can be realized under the condition that the first door leaf and the second door leaf are not completely closed in a closing mode, so that potential safety hazards caused by the starting lifting of the elevator can be avoided; the two-point press contact ensures complete closing of the first door leaf and the second door leaf.

The first door leaf and the second door leaf are combined into an outwards-unfolded structure, after the first door leaf and the second door leaf are sequentially closed, the closing piece of the second door leaf is inserted into the lower end of the fixed valve and is inserted into the groove of the closing piece through the lock tongue of the fixed valve, so that locking is realized, and the second door leaf connected with the closing piece is locked, so that loosening of the second door leaf is avoided; the third point protection measure of the utility model is the locking of the closure tab.

According to the elevator door, after the two elastic sheets are pressed and abutted by the pressing sheets on the first door sheet and the second door sheet, the closing sheet on the second door sheet is inserted into the lower end of the fixed valve and locked by the lock tongue, so that the lifting system of the elevator is started under the three-point ensured operation, and accidents are avoided.

The elastic sheet of the utility model corresponds to two doors, detects whether the two doors are completely closed, and feeds back signals.

The system of the utility model can be normally started only after receiving the lock tongue locking feedback signal and the door closing feedback signal.

According to the shifting piece column, the upper end of the lock tongue is lifted by the shifting piece column through the external rotary shifting piece column in an emergency state, so that the lock tongue is loosened to fix the closing piece, and the first door leaf and the second door leaf are opened.

The two pressing pieces can be adjusted up and down, and the height of the locking piece can be adjusted if the door frame is deformed or the two doors sink, so that the door lock function is not affected, and the maintenance is convenient.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a three-point contact intelligent safety door lock according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of the internal structure of a three-point contact intelligent security door lock;

FIG. 3 is a schematic diagram of the internal structure of a three-point contact intelligent security door lock;

FIG. 4 is a schematic diagram showing a three-point contact intelligent safety door lock and door frame combination;

FIG. 5 is a schematic view showing a partial structure along A_A in FIG. 4;

FIG. 6 is a side view of a three point contact intelligent security door lock and door frame;

FIG. 7 is another schematic diagram of a three-point contact intelligent security door lock;

FIG. 8 is a schematic view illustrating a combination structure of the door lock case and the spring plate in FIG. 7;

fig. 9 is a schematic view illustrating an internal structure along fig. 7.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and intended to illustrate embodiments of the utility model and should not be construed as limiting the utility model.

In the description of the embodiments of the present utility model, it should be understood that, if there is an indication of directionality in the embodiments of the present utility model, such as the direction or positional relationship indicated by the upper, lower, left, right, front, rear, inner, outer, etc. is based on the direction or positional relationship shown in the drawings, this is merely for convenience of describing the embodiments of the present utility model and simplifying the description, and does not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present utility model, the meaning of "plurality" is two or more, unless explicitly defined otherwise.

In the embodiments of the present utility model, unless explicitly specified and limited otherwise, terms such as "mounted," "connected," "secured" and the like are to be construed broadly and include, for example, either permanently connected or removably connected or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.

In one embodiment of the present utility model, as shown in fig. 1 to 9, there is provided a three-point contact intelligent security door lock comprising: the door lock comprises a door lock shell 1, a door lock back plate 11, a lock tongue 12, press switches 13, a closing piece 2, a press piece 3, a pulling piece column 4, a fixing plate 5, a door frame 6, a first door leaf 61 and a second door leaf 62, wherein the door lock back plate 11 is arranged on the back surface of the door lock shell 1, the door lock back plate 11 is fixed above the front surface of the door frame 6, two press switches 13 are arranged in the door lock back plate 11, elastic pieces 131 are respectively arranged on the front surfaces of the two press switches 13, the lock tongue 12 is arranged between the two press switches 13, and the lock tongue 12 is fixed on the door lock back plate 11 by adopting a fixing valve 121; a notch is arranged below the door lock shell 1 and is connected with the lower part of the door lock backboard 11; the two elastic pieces 131 are arranged in the door lock shell 1, and the two elastic pieces 131 and the pressing switch 13 connected with each elastic piece 131 are wrapped through the door lock shell 1; the upper ends of the two pressing pieces 3 are bent, each pressing piece 3 is inserted into the notch of the door lock shell 1 after being closed by the first door page 61 and the second door page 62, and each pressing piece 3 is inserted into one end of the notch and presses the corresponding elastic piece 131; a plectrum column 4 is arranged above the door lock shell 1 in a penetrating way and is connected with one end of a plectrum 42 in the door lock shell 1, and the other end of the plectrum 42 is connected with the top end of the lock tongue 12 in a matching way; the closing sheet 2 is inserted into the notch of the door lock shell 1, a section of the opening, into which the closing sheet 2 is inserted, is provided with a lock hole, the lower part of the lock tongue 12 is inserted into the hole of the closing sheet 2, and the lower part of the closing sheet 2 is fixed on the front surface of the first door leaf 61; the pressing piece 3 is provided with two pieces, and the upper parts of the two pressing pieces 3 are respectively pressed and abutted with each elastic piece 131.

The elevator door can be completely closed by controlling the three safety points, so that the elevator can safely lift up and down.

The first door pages 61 and the second door pages 62 are opposite to each other, and the opposite sides of the first door pages 61 and the second door pages 62 are outwards or inwards unfolded, the first door pages 61 are inwards closed, and the pressing pieces 3 arranged above the first door pages 61 press and abut against the elastic sheets 131 along with the closing of the first door pages 61; subsequently, the second door leaf 62 is closed inwards, the pressing piece 3 arranged on the second door leaf 62 presses and abuts against the other elastic piece 131, after the two pressing pieces 3 respectively press and abut against the elastic pieces 131, the pressing switch 13 connected with the two elastic pieces 131 transmits a pressing signal to the elevator, so that the starting program of the elevator is started, and the starting lifting of the elevator can be realized under the condition that the first door leaf 61 and the second door leaf 62 are not completely closed in the closing mode, so that potential safety hazards caused by the starting lifting of the elevator can be avoided; the two-point press contact ensures complete closing of the first door leaf 61 and the second door leaf 62.

The first door leaf 61 and the second door leaf 62 adopted by the utility model are combined into an outwards-unfolded structure, after the first door leaf 61 and the second door leaf 62 are sequentially closed, the closing piece 2 of the second door leaf 62 is inserted into the lower end of the fixed valve 121, and the locking is realized by inserting the lock tongue 12 of the fixed valve 121 into the groove of the closing piece 2, and the second door leaf 62 connected with the closing piece 2 is locked, so that the loosening of the second door leaf 62 is avoided; the third point of protection of the present utility model is the locking of the closure tab 2.

After the two elastic sheets 131 are pressed and abutted by the pressing sheets 3 on the first door sheet 61 and the second door sheet 62, the closing sheet 2 on the second door sheet 62 is inserted into the lower end of the fixed valve 121, the closing sheet 2 is locked by the lock tongue 12, and the lifting system of the elevator is started under the three-point ensured operation, so that accidents and accidents are avoided.

The elastic sheet 131 of the present utility model corresponds to two doors, and detects whether the two doors are completely closed, and feeds back a signal.

The system of the utility model can be normally started only after receiving the lock tongue locking feedback signal and the door closing feedback signal.

According to the plectrum column 4 disclosed by the utility model, in an emergency state, the plectrum column 4 can be rotated externally, the plectrum column 4 lifts the upper end of the lock tongue 12, so that the lock tongue 12 is released from fixing the closing piece 2, and the first door leaf 61 and the second door leaf 62 are opened.

The two pressing pieces 3 can be adjusted up and down, and the height of the locking piece can be adjusted if the door frame is deformed or the two doors sink, so that the door lock function is not affected, and the maintenance is convenient.

With the above structure, it should be further explained that the fixed valve 121 of the present utility model is provided with the electromagnetic valve, after the fixed valve 121 is electrified, the fixed valve 12 is controlled to be fixed by releasing the adsorption of the lock tongue 12, after the closing plate 2 is inserted into the lower end of the fixed valve 121, the lock tongue 12 is then inserted into the groove of the closing plate 2 after the front end of the closing plate 2 lifts up the lock tongue 12, and at this time, the lock tongue 12 is adsorbed and fixed by the fixed valve 121, so as to realize locking; the lock tongue 12 of the utility model can move up and down by pulling the upper part, and is used for pulling the locked lock tongue 12, and the arrangement is used for opening the first door page 61 and the second door page 62 which are closed under the accident condition.

The door lock backboard 11 is fixed at the upper middle section of the front face of the door frame 6.

The door lock shell 1 and the door lock backboard 11 are mutually closed and installed by adopting screws, and the door lock backboard 11 is provided with a plurality of wire holes.

With the above-described structure, it should be further noted that the door lock case 1 of the present utility model can be detached from the outside of the door lock back plate 11 by the detachment of the screw, and this arrangement can facilitate the maintenance without the whole detachment when the present utility model is fixed to the door frame 6.

The two push switches 13 extend out of the spool through the spool respectively and are electrically connected with an external control switch and a power supply; a spring is arranged between the buttons of the two push switches 13 and the elastic piece 131, and the elastic piece 131 is ejected out of the strip-shaped groove of the door lock shell 1 through the spring.

With the above-described structure, it should be further noted that the spring between the push button and the elastic piece 131 of the two push switches 13 of the present utility model is used for enhancing the elastic force, and the two push switches 1 of the present utility model are contact switches for connecting the lifting start of the elevator.

The fixed valve 121 is an electromagnetic valve, and a lock tongue 12 in the fixed valve 121 is lifted along the fixed valve 121 and is locked and fixed through the fixed valve 121; the fixed valve 121 extends out of the spool through the spool and is electrically connected to an external control switch and a power supply.

With the above-described structure, it is further noted that the fixed valve 121 of the present utility model is used for connecting the lift start of an elevator.

The fixed plate 5 is arranged for a horizontal section and a vertical section; a horizontal section of the fixed plate 5 is fixed on the lower side of the beam above the door frame 6 and is padded below the door lock backboard 11; a vertical section of the fixed plate 5 is arranged at the rear end of a horizontal section, and a magnet gasket 51 is arranged on the front surface of the vertical section of the fixed plate 5; a vertical section of the fixing plate 5 is padded on the back of the first door leaf 61 or the second door leaf 62.

With the above structure, it should be further noted that the fixing plate 5 of the present utility model is used for supporting the first door leaf 61 and the second door leaf 62, so as to prevent the first door leaf 61 or the second door leaf 62 from being deflected inward, and the added magnet spacer 51 of the present utility model is used for adsorbing the first door leaf 61 and the second door leaf 62, so as to prevent the first door leaf 61 and the second door leaf 62 from being inclined outwards during closing, and provide an auxiliary for closing.

The first door leaf 61 and the second door leaf 62 are respectively provided in the door frame 6.

With the above structure, it should be further noted that the first door leaf 61 and the second door leaf 62 of the present utility model are applicable to an elevator on a construction site in a manner of being unfolded outwards.

The side of the plectrum column 4, which is far away from the plectrum 42, is provided with a cover plate 41, the cover plate 41 is fixed on the front surface of the door lock shell 1 by adopting a shaft, and the cover plate 41 rotates along the shaft.

With the above-described structure, it should be further noted that the plectrum column 4 of the present utility model is provided with an insertion hole, and in order to prevent the plectrum column 4 from being influenced by the outside to rotate, the plectrum column 4 is twisted by being inserted into the insertion hole by inserting a hexagonal key or the like, and the cover plate 41 of the present utility model is used to prevent the outside dust from being blocked into the detaching hole.

In another embodiment of the utility model, the door lock shell 1 of the three-point contact intelligent safety door lock is provided with a closed strip-shaped groove.

The door lock shell 1 below is equipped with the notch to be connected with door lock backplate 11 below, the both ends up-and-down of this notch have the bar groove respectively, and two shell fragments 131 stretch out outside the door lock shell 1 along the bar groove respectively.

The two elastic pieces 131 respectively protrude out of the two strip-shaped grooves, so that the tension of the elastic pieces can be increased, the contact between each pressing piece 3 corresponding to the elastic pieces 131 is increased, and the two elastic pieces 131 extending out of the door lock shell 1 can be more intuitively and directly corrected under the condition of damage.

The rest of the present embodiment is the same as the first embodiment, and the unexplained features in the present embodiment are all explained by the first embodiment, and are not described here again.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (7)

1. A three point contact intelligent security door lock, comprising: door lock shell, lock backplate, spring bolt, push switch, closure piece, push piece, fixed plate, plectrum post, door frame, first door page or leaf and second door page or leaf, its characterized in that: the back of the door lock shell is provided with a door lock backboard which is fixed above the front face of the door frame, two pressing switches are arranged in the door lock backboard, the front faces of the two pressing switches are respectively provided with an elastic sheet, a lock tongue is arranged between the two pressing switches, and the lock tongue is fixed on the door lock backboard by adopting a fixed valve;

a notch is arranged below the door lock shell and is connected with the lower part of the door lock backboard;

the two elastic pieces are arranged in the door lock shell, and the door lock shell wraps the two elastic pieces and the pressing switch connected with each elastic piece;

the upper ends of the two pressing sheets are bent, each pressing sheet is inserted into the notch of the door lock shell after being closed by the first door leaf and the second door leaf, and each pressing sheet is inserted into one end of the notch and presses the corresponding elastic sheet;

a plectrum column is arranged above the door lock shell in a penetrating way and is connected with one end of a plectrum in the door lock shell, and the other end of the plectrum is connected with the top end of the lock tongue in a matching way;

the closing piece is inserted into the notch of the door lock shell, a section of the closing piece inserted into the notch is provided with a lock hole, the lower part of the lock tongue is inserted into the hole of the closing piece, and the lower part of the closing piece is fixed on the front surface of the first door page;

the pressing piece is provided with two pieces, and two pieces the top of pressing piece is pressed with each shell fragment respectively and is contradicted, and two pressing piece below is fixed in the front and the top of first door leaf or second door leaf respectively.

2. The three-point contact intelligent security door lock of claim 1, wherein:

the door lock shell and the door lock backboard are installed in a mutually closed mode through screws, and the door lock backboard is provided with a plurality of wire holes.

3. The three-point contact intelligent security door lock of claim 1, wherein:

the two pressing switches extend out of the spool through the spool respectively and are electrically connected with an external control switch and a power supply;

and a spring is arranged between the two buttons of the push switch and the elastic sheet, and the elastic sheet is ejected out of the strip-shaped groove of the door lock shell through the spring.

4. The three-point contact intelligent security door lock of claim 1, wherein:

the fixed valve is an electromagnetic valve, and a lock tongue in the fixed valve is lifted along the fixed valve and is locked and fixed through the fixed valve;

the fixed valve extends out of the spool through the spool and is electrically connected with an external control switch and a power supply.

5. The three-point contact intelligent security door lock of claim 1, wherein:

the fixing plate is arranged in a horizontal section and a vertical section;

a horizontal section of the fixing plate is fixed on the lower side of the beam above the door frame and is padded below the door lock backboard;

a vertical section of the fixed plate is arranged at the rear end of a horizontal section, and a magnet gasket is arranged on the front surface of the vertical section of the fixed plate;

a vertical section of the fixed plate is padded on the back surface of the first door page or the second door page.

6. The three-point contact intelligent security door lock of claim 1, wherein:

the first door leaf and the second door leaf are respectively arranged in the door frame.

7. The three-point contact intelligent security door lock of claim 1, wherein:

one side of the plectrum post, which is far away from the plectrum, is provided with a cover plate, the cover plate is fixed on the front surface of the door lock shell by adopting a shaft, and the cover plate rotates along the shaft.

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