CN221031963U - Door lock structure of courtyard door - Google Patents
Door lock structure of courtyard door Download PDFInfo
- Publication number
- CN221031963U CN221031963U CN202322431566.7U CN202322431566U CN221031963U CN 221031963 U CN221031963 U CN 221031963U CN 202322431566 U CN202322431566 U CN 202322431566U CN 221031963 U CN221031963 U CN 221031963U
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- sliding block
- piece
- connecting plate
- door
- lock tongue
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 229910052742 iron Inorganic materials 0.000 description 5
- 238000001125 extrusion Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model discloses a door lock structure of courtyard door, which comprises: the opening end of the shell is fixedly connected with a guide plate, two parallel sliding grooves are formed in the shell, one side of the connecting plate is fixedly connected with a first sliding block, the other side of the connecting plate is fixedly connected with a second sliding block, the side ends of the first sliding block and the second sliding block are respectively arranged in the corresponding sliding grooves, the lock tongue is fixed on the connecting plate, and the lock tongue is positioned in a lock tongue hole of the guide plate; the first sliding block and the second sliding block are provided with through holes, a spring piece is arranged beside the first sliding block, and the tail end of the spring piece passes through the through holes on the first sliding block to be contacted with the inner surface of the connecting plate; the square core piece is rotationally connected inside the shell and is positioned at one side opposite to the connecting plate, one end of the zipper piece is sleeved on the square core piece, the other end of the zipper piece is fixedly connected with a pull block, and the pull block is clamped in the through hole of the second sliding block. The door lock is simple and exquisite in structure, and the longer accommodation area formed between the two sliding grooves is convenient for retraction of the lock tongue, and can be provided with the longer lock tongue according to the use requirement.
Description
Technical Field
The utility model belongs to the field of door locks, and particularly relates to a door lock structure of a courtyard door.
Background
The door lock is connected with the door frame, plays a role in limiting and locking, has a plurality of classifications, and has different requirements on the door lock in various occasions and different lock body structures.
The large-scale iron door of courtyard comprises two iron doors that open and shut each other, and the gap between two iron doors is great, and current lock, its spring bolt are usually shorter, when disposing this shorter spring bolt between two iron doors of courtyard, are pulled open by force easily, have the potential safety hazard, therefore need another kind of lock structure more, can have great inner space to hold longer spring bolt.
Disclosure of utility model
Based on the background technology, the utility model provides a door lock structure of a courtyard door, which comprises a shell, a guide piece, a connecting plate, a lock tongue, a spring piece, a square core piece and a zipper piece.
The open end fixedly connected with guide blade of casing, the guide blade is prior art, and above-mentioned distribution has spring bolt hole and fixed screw hole, and the lock sets up in the mounting hole of door, and the guide blade is fixed in the side of door, makes the spring bolt can follow in the spring bolt hole of guide blade and stretches out.
Two parallel sliding grooves are formed in the shell, a first sliding block is fixedly connected to one side of the connecting plate, a second sliding block is fixedly connected to the other side of the connecting plate, and the side ends of the first sliding block and the second sliding block are respectively arranged in the corresponding sliding grooves and can slide along the corresponding sliding grooves, so that the connecting plate can stably move along the sliding groove direction.
The middle part that is fixed in the connecting plate of spring bolt, spring bolt are located the spring bolt hole of guide vane, and when the connecting plate moved along the spout direction like this, can make the spring bolt stretch out or retract.
The spring device is characterized in that through holes are formed in the first sliding block and the second sliding block, a spring piece is arranged beside the first sliding block and can be sleeved on a fixed rod arranged in the shell, and the tail end of the spring piece penetrates through the through holes in the first sliding block to be in contact with the inner face of the connecting plate, so that the connecting plate is automatically positioned on one side of the sliding groove under the action of elastic force of the spring piece, and the spring bolt can be kept in an extending state.
The square core piece rotates and connects in the casing inside, and is located the relative one side of connecting plate, specifically opens to have the commentaries on classics hole below the casing, and the upper and lower end of square core piece is cylindrical shaft form, makes the upper and lower end of square core piece can set up in the corresponding commentaries on classics hole of casing, makes square core piece can rotate along self axle center, square core piece is prior art yet, and square core piece middle part is opened has square core commentaries on classics hole, carries out operations such as unblanking, back lock etc. through square rod movable lock body, or directly connects in the operation such as unblanking and back lock that the door handle realized electronic door lock.
One end of the zipper piece is sleeved on the square core piece and can rotate along with the square core piece, the other end of the zipper piece is fixedly connected with a pull block, and the pull block is clamped in the through hole of the second sliding block; when the square core piece drives the zipper piece to rotate clockwise, the zipper piece can pull the connecting plate through the second sliding block, the connecting plate moves along the sliding groove direction against the elastic force of the spring piece, and finally the lock tongue is retracted into the shell, and at the moment, the lock tongue is positioned in a containing area formed between two mutually parallel sliding grooves.
Further, a groove is formed in the inclined surface of the lock tongue, an anti-blocking inclined tongue is arranged in the groove, the anti-blocking inclined tongue is rotationally connected in the groove of the lock tongue through a rotating shaft, the inclined surfaces and the straight surfaces which are respectively arranged on the upper surface and the lower surface of the anti-blocking inclined tongue are oppositely arranged with the inner surface of the groove, a limit notch is formed in one side, close to the rotating shaft, of the straight surface of the anti-blocking inclined tongue, a limit bump is arranged at a position corresponding to the limit notch in the inner side of a lock tongue hole of the guide piece, one side inner surface, close to the outer side surface of the limit bump, of the limit notch is an arc inner surface, and the other side inner surface of the limit notch is a straight inner surface. When the lock tongue is retracted, the outer side surface of the limiting projection extrudes the arc inner surface of the limiting notch to enable the anti-blocking inclined tongue to rotate inwards of the groove until the inclined surface of the anti-blocking inclined tongue is attached to the inner surface of the groove, and at the moment, the anti-blocking inclined tongue can retract together with the lock tongue; when the lock tongue stretches out, the inner side surface of the limit lug is contacted with and attached to the straight inner surface of the limit notch, so that the anti-blocking inclined tongue is lifted up and bounces out, and the anti-blocking inclined tongue can also keep a bounced state under the elastic action of the spring piece.
When the door lock is not locked reversely, the lock tongue can retract under the action of external force of extrusion, the risk of prying the door through the card exists, and the design of the anti-blocking inclined tongue is adopted, when the card is prying the door, the card can not extrude the straight surface of the anti-blocking inclined tongue, and when the card is extruding the inclined surface of the anti-blocking inclined tongue, the anti-blocking inclined tongue can not rotate due to the design of the limiting protruding block and the limiting notch, so that the card can not be extruded into a door slot further, and the safety coefficient of the door lock is improved.
Through the technical scheme, the utility model at least comprises the following beneficial effects:
Compared with the existing door lock, the door lock structure of the courtyard door has the advantages that the structure inside the shell is simple and exquisite, and no redundant parts exist, so that a longer accommodating area can be formed between two sliding grooves, the retraction of a lock tongue is facilitated, the lock tongue can be arranged longer according to the use requirement, and the lock is suitable for a large iron door of a courtyard.
In a further scheme, the safety coefficient of the door lock structure can be further improved through the design of the anti-blocking inclined tongue and the related structure.
Drawings
Fig. 1 is an overall schematic view of a door lock structure of a patio door according to an embodiment of the present application;
FIG. 2 is an internal schematic view of a door lock structure of a patio door in accordance with an embodiment of the present application;
fig. 3 is a schematic view of the cooperation between the limit notch of the anti-blocking latch and the limit bump in the guide latch hole according to the embodiment of the present application, where the latch is hidden.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings, which are simplified schematic diagrams illustrating the basic structure of the present utility model only by way of illustration, and thus show only the constitution related to the present utility model.
In the description of the present utility model, it should be understood that, if there are terms such as "upper", "lower", "left", "right", "front", "rear", etc., the orientation or the positional relationship is based on the orientation or the positional relationship shown in the drawings, it is merely for convenience of describing the present utility model and simplifying the description, and it is not indicated or implied that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus the terms describing the positional relationship are merely for illustration and are not to be construed as limiting the present patent; the terms "first," "second," and the like, if any, 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, whereby features defining "first," "second," and the like may explicitly or implicitly include one or more of such features. The specific meaning of the terms described above will be understood by those of ordinary skill in the art as the case may be.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Referring to fig. 1 to 3, a door lock structure of a patio door includes a housing 1, a guide piece 2, a connection plate 3, a latch bolt 4, a spring member 5, a square core member 6, and a zipper member 7;
the open end fixedly connected with guide vane 2 of casing 1, guide vane 2 is prior art, and the higher authority distributes and has spring bolt hole and fixed screw hole, and the lock sets up in the mounting hole of door, and guide vane 2 is fixed in the side of door, makes spring bolt 4 can follow in the spring bolt hole of guide vane 2 and stretch out.
Two parallel sliding grooves 8 are formed in the shell 1, a first sliding block 11 is fixedly connected to one side of the connecting plate 3, a second sliding block 12 is fixedly connected to the other side of the connecting plate 3, and side ends of the first sliding block 11 and the second sliding block 12 are respectively arranged in the corresponding sliding grooves 8 and can slide along the corresponding sliding grooves 8, so that the connecting plate 3 can stably move along the direction of the sliding grooves 8.
The middle part that is fixed in connecting plate 3 of spring bolt 4, spring bolt 4 are located the spring bolt downthehole of guide vane 2, and when so connecting plate 3 moved along spout 8 direction, can make spring bolt 4 stretch out or retract.
The first sliding block 11 and the second sliding block 12 are provided with through holes, the spring piece 5 is arranged beside the first sliding block 11, the spring piece 5 can be sleeved on the fixed rod 10 arranged in the shell 1, and the tail end of the spring piece 5 passes through the through hole in the first sliding block 11 to be in contact with the inner surface of the connecting plate 3, so that the connecting plate 3 is automatically positioned on one side of the chute 8 under the action of the elastic force of the spring piece 5, and the lock tongue 4 can be kept in an extending state.
The square core piece 6 is rotatably connected to the inside of the shell 1, the square core piece 6 is positioned on one side opposite to the connecting plate 3, specifically, a rotating hole is formed in the upper surface and the lower surface of the shell 1, the upper end and the lower end of the square core piece 6 are in cylindrical shaft shapes, the upper end and the lower end of the square core piece 6 can be arranged in the corresponding rotating hole of the shell 1, and the square core piece 6 can rotate along the axis of the square core piece 6; the square core piece 6 is also in the prior art, a square core rotating hole is formed in the middle of the square core piece 6, and the square rod can be used for linking the lock body to perform unlocking, back locking and other operations, or is directly connected with a door handle to realize the unlocking, back locking and other operations of the electronic door lock.
One end of the zipper piece 7 is sleeved on the square core piece 6 and can rotate along with the square core piece 6, the other end of the zipper piece 7 is fixedly connected with a pull block 13, and the pull block 13 is clamped in a through hole of the second sliding block 12; when the square core piece 6 drives the zipper piece 7 to rotate clockwise, the zipper piece 7 can pull the connecting plate 3 through the second sliding block 12, the connecting plate 3 moves along the direction of the sliding groove 8 against the elastic force of the spring piece 5, and finally the lock tongue 4 retracts into the shell 1, and at the moment, the lock tongue 4 is positioned in a containing area formed between two mutually parallel sliding grooves 8.
The inclined surface of the lock tongue 4 is provided with a groove, an anti-blocking inclined tongue 9 is arranged in the groove, the anti-blocking inclined tongue 9 is rotationally connected in the groove of the lock tongue 4 through a rotating shaft, the upper surface and the lower surface of the anti-blocking inclined tongue 9 are respectively an inclined surface and a straight surface, and the inclined surface of the anti-blocking inclined tongue 9 is arranged opposite to the inner surface of the groove of the lock tongue 4; referring to fig. 3, a limit notch 14 is formed on one side of the straight surface of the anti-seizing oblique tongue 9, which is close to the rotating shaft, a limit bump 15 is formed on the inner side of the lock tongue hole of the guide piece 2, which corresponds to the limit notch 14, one side inner surface of the limit notch 14, which is close to the outer side surface of the limit bump 15, is an arc inner surface, and the other side inner surface of the limit notch 14 is a straight inner surface. When the lock tongue 4 is retracted, the outer side surface of the limit projection 15 presses the arc inner surface of the limit notch 14, so that the anti-blocking inclined tongue 9 rotates inwards of the groove until the inclined surface of the anti-blocking inclined tongue 9 is attached to the inner surface of the groove of the lock tongue 4, and the anti-blocking inclined tongue 9 can retract together with the lock tongue 4; when the lock tongue 4 stretches out, the inner side surface of the limit lug 15 is contacted and attached with the straight inner surface of the limit notch 14, so that the anti-blocking inclined tongue 9 is tilted and popped up, and the anti-blocking inclined tongue 9 can also keep a popping state under the elastic force of the spring piece 5.
When the door lock is not locked reversely, the lock tongue 4 can retract under the action of an external force of extrusion, the risk of prying the door through the card exists, and the design of the anti-blocking inclined tongue 9 is adopted, when the card prys the door, the card cannot extrude the straight surface of the anti-blocking inclined tongue 9, and when the card extrudes the inclined surface of the anti-blocking inclined tongue 9, the anti-blocking inclined tongue 9 cannot rotate due to the design of the limiting lug 15 and the limiting notch 14, so that the card cannot be extruded into a door slot further, and the safety coefficient of the door lock is improved.
The foregoing description is only illustrative of the preferred embodiments of the present utility model, and various changes and modifications can be made by those skilled in the art without departing from the spirit and principles of the present utility model, and it is intended to cover all such modifications, equivalents, and improvements as fall within the true spirit and scope of the utility model.
Claims (2)
1. A door lock structure of courtyard door, its characterized in that: comprises a shell (1), a guide piece (2), a connecting plate (3), a lock tongue (4), a spring piece (5), a square core piece (6) and a zipper piece (7);
The novel sliding guide device is characterized in that the opening end of the shell (1) is fixedly connected with the guide piece (2), two mutually parallel sliding grooves (8) are formed in the shell (1), a first sliding block (11) is fixedly connected to one side of the connecting plate (3), a second sliding block (12) is fixedly connected to the other side of the connecting plate (3), the side ends of the first sliding block (11) and the second sliding block (12) are respectively arranged in the corresponding sliding grooves (8), the lock tongue (4) is fixed to the connecting plate (3), and the lock tongue (4) is positioned in a lock tongue hole of the guide piece (2);
The first sliding block (11) and the second sliding block (12) are provided with through holes, a spring piece (5) is arranged beside the first sliding block (11), and the tail end of the spring piece (5) passes through the through holes on the first sliding block (11) to be contacted with the inner surface of the connecting plate (3);
The square core piece (6) is rotationally connected to the inside of the shell (1) and is positioned on one side opposite to the connecting plate (3), one end of the zipper piece (7) is sleeved on the square core piece (6) and can rotate along with the square core piece (6), the other end of the zipper piece (7) is fixedly connected with a pull block (13), and the pull block (13) is clamped in a through hole of the second sliding block (12).
2. The door lock structure of patio door according to claim 1, wherein: the anti-jamming bolt is characterized in that a groove is formed in the inclined surface of the bolt (4), an anti-jamming bolt (9) is arranged in the groove, the anti-jamming bolt (9) is rotationally connected in the groove of the bolt (4) through a rotating shaft, the inclined surfaces and the straight surfaces of the upper surface and the lower surface of the anti-jamming bolt (9) are respectively arranged opposite to each other, a limiting notch (14) is formed in the straight surface of the anti-jamming bolt (9), a limiting lug (15) is arranged at the corresponding position of the limiting notch (14) on the inner side of the bolt hole of the guide piece (2), the inner surface of one side of the limiting notch (14) is an arc inner surface, and the inner surface of the other side of the limiting notch (14) is a straight inner surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322431566.7U CN221031963U (en) | 2023-09-07 | 2023-09-07 | Door lock structure of courtyard door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322431566.7U CN221031963U (en) | 2023-09-07 | 2023-09-07 | Door lock structure of courtyard door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221031963U true CN221031963U (en) | 2024-05-28 |
Family
ID=91132202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322431566.7U Active CN221031963U (en) | 2023-09-07 | 2023-09-07 | Door lock structure of courtyard door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221031963U (en) |
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2023
- 2023-09-07 CN CN202322431566.7U patent/CN221031963U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |