CN220849205U - Door lock detection mechanism and display screen box - Google Patents
Door lock detection mechanism and display screen box Download PDFInfo
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- CN220849205U CN220849205U CN202322564638.5U CN202322564638U CN220849205U CN 220849205 U CN220849205 U CN 220849205U CN 202322564638 U CN202322564638 U CN 202322564638U CN 220849205 U CN220849205 U CN 220849205U
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- lock
- detection mechanism
- door lock
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- 230000005856 abnormality Effects 0.000 description 1
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- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a door lock detection mechanism and a display screen box body, wherein a detection sensor is connected to a base, the detection sensor and a recognition block are oppositely arranged, the recognition block is slidably connected to the base and can move close to or far away from the detection sensor, a lock cylinder capable of rotating relative to a lock body can drive the recognition block to slide relative to the base through a transmission assembly so as to enable the recognition block to move close to or far away from the detection sensor on the base, the detection sensor is used for outputting a detection signal according to the distance between the detection sensor and the recognition block, and detection of the action state of the lock cylinder is realized based on the structure, so that whether the lock cylinder is in a locking state is detected.
Description
Technical Field
The utility model relates to the technical field of door lock detection devices, in particular to a door lock detection mechanism and a display screen box body.
Background
The back lid of display screen box is installed to the box through quick detach buckle or screw, and connects fixedly through present quick detach buckle or screw to can not detect whether the back lid is installed to the box by stability, especially unable quick investigation after quick detach buckle or screw become flexible, this very easily causes the unexpected accident that drops of back lid.
Disclosure of utility model
In order to overcome the defects of the prior art, the utility model aims to provide a door lock detection mechanism and a display screen box body so as to solve the problem that the connection abnormality is difficult to detect in the existing display screen box body rear cover connection structure.
The utility model adopts the following technical scheme:
a door lock detection mechanism comprises a base, a lock body, a transmission assembly, an identification block and a detection sensor;
The detection sensor is connected to the base, the lock body is provided with a lock cylinder capable of rotating relative to the lock body, the detection sensor and the identification block are arranged oppositely, the identification block is slidably connected to the base and can move close to or far away from the detection sensor, and the detection sensor is used for outputting a detection signal according to the distance between the detection sensor and the identification block;
the transmission assembly is respectively connected with the lock cylinder and the identification block, and drives the identification block to slide relative to the base when the lock cylinder rotates.
Preferably, the transmission assembly comprises a sliding table and a swing arm; the sliding table is slidably connected to the base, the identification block is arranged on the sliding table, and the sliding table is provided with a sliding groove; the swing arm is perpendicular to the rotation axis of the lock cylinder, one end of the swing arm is fixedly connected with the lock cylinder, and the other end of the swing arm is provided with a sliding block which is slidably connected with the sliding groove; the connecting line between the two ends of the sliding groove is inclined to the sliding direction of the sliding table.
Preferably, the extending track of the sliding groove is in a straight line.
Preferably, the extending track of the sliding groove is curved.
Preferably, the extending track of the sliding groove is arc-shaped, and a distance is arranged between the circle center of the extending track of the sliding groove and the rotation axis of the lock cylinder.
Preferably, a yielding gap is arranged on the sliding table, and an opening of the yielding gap is opposite to the outer side wall of the lock body.
Preferably, the device further comprises a guide assembly, the guide assembly comprises a connecting seat and a guide rod, the connecting seat is fixedly connected to the base, a guide hole is formed in the connecting seat, the guide rod slidably penetrates through the guide hole, and the identification block is connected to the guide rod.
Preferably, the connecting seat is provided with a plurality of guide holes, the number of the guide rods is consistent with that of the guide holes, and each guide rod corresponds to one guide hole.
Preferably, the transmission assembly comprises a swing arm and a connecting rod, the connecting rod is provided with a head end and a tail end which are oppositely arranged, the swing arm is perpendicular to the rotation axis of the lock cylinder, one end of the swing arm is fixedly connected with the lock cylinder, the other end of the swing arm is rotationally connected with the head end of the connecting rod, the tail end of the connecting rod is slidably connected with the base along a linear track, and the identification block is connected with the tail end of the connecting rod.
In order to solve the same technical problems, the utility model also provides a display screen box body, which comprises the door lock detection mechanism.
Compared with the prior art, the utility model has the beneficial effects that:
The lock cylinder capable of rotating relative to the lock body can drive the identification block to slide relative to the base through the transmission assembly so that the identification block moves close to or far away from the detection sensor on the base, the detection sensor is used for outputting detection signals according to the distance between the detection sensor and the identification block, and detection of the action state of the lock cylinder is achieved based on the structure, so that whether the lock cylinder is in a locking state is detected.
Drawings
Fig. 1 is a schematic structural diagram of a display screen case of embodiment 3 of the utility model;
fig. 2 is a schematic overall structure of a door lock detection mechanism of embodiment 1 of the utility model;
Fig. 3 is a schematic structural view of a door lock detection mechanism according to embodiment 1 of the present utility model;
FIG. 4 is a second schematic structural view of the door lock detecting mechanism according to the embodiment 1 of the present utility model;
fig. 5 is an exploded view of a door lock detection mechanism of embodiment 1 of the utility model;
Fig. 6 is a schematic structural view of a transmission assembly of the door lock detection mechanism of embodiment 2 of the utility model;
In the figure: 10. a base; 20. a lock body; 21. a lock core; 30. identifying a block; 40. a detection sensor; 50. a sliding table; 51. a chute; 52. a relief notch; 60. swing arms; 61. a slide block; 70. a connecting seat; 71. a guide hole; 80. a guide rod; 90. and a connecting rod.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Preferred embodiments of the present utility model are shown in the drawings. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Example 1
Referring to fig. 2 to 5, the door lock detection mechanism of the present utility model is schematically shown, and includes a base 10, a lock body 20, a transmission assembly, an identification block 30, and a detection sensor 40, wherein the lock body 20 has a lock cylinder 21 capable of rotating relative thereto, the lock cylinder 21 is provided with a lock hole, and when a corresponding key is inserted into the lock hole, the lock cylinder 21 can be rotated relative to the lock body 20 by rotating the key.
As shown in fig. 2, the lock body 20 and the detection sensor 40 are fixedly connected to the base 10, the detection sensor 40 and the identification block 30 are oppositely arranged, the identification block 30 is slidably connected to the base 10 and can move close to or far away from the detection sensor 40, that is, the movement track of the identification block 30 is a straight line, the detection sensor 40 is located at one end of the movement track of the identification block 30, and the detection sensor 40 is used for outputting a detection signal according to the distance between the detection sensor 40 and the identification block 30. In this embodiment, the detection sensor 40 is preferably a contact switch, that is, the recognition block 30 contacts the detection sensor 40, the detection sensor 40 triggers and outputs a collision signal, when the recognition block 30 does not contact the detection sensor 40, the contact sensor does not output a signal or outputs a collision-free signal, the above-mentioned output collision signal or output of the collision-free signal can be performed by turning on or off an indicator light, for example, the detection sensor 40 is electrically connected to an indicator light on the base 10, when the detection sensor 40 contacts the recognition block 30, the recognition block 30 turns on a detection circuit of the detection sensor 40, and the indicator light on the detection circuit is turned on; on the contrary, when the detection sensor 40 is separated from the identification block 30, the detection circuit of the detection sensor 40 is disconnected and the indicator light is turned off. In other alternative embodiments, the detection sensor 40 may also be a contactless switch such as an optoelectronic distance sensor.
The transmission assembly is connected to the lock cylinder 21 and the identification block 30, respectively, and drives the identification block 30 to slide with respect to the base 10 when the lock cylinder 21 rotates, in other words, the transmission assembly can convert the rotational motion of the lock cylinder 21 into the linear motion of the identification block 30, and the transmission assembly serves as a power transmission structure between the lock cylinder 21 and the identification block 30.
The working principle of the door lock detection mechanism of the utility model is that when the lock cylinder 21 is in an unlocking state, a space is reserved between the identification block 30 and the detection sensor 40, and the detection sensor 40 outputs a collision-free signal at the moment; when the lock cylinder 21 is switched from the unlock state to the lock state (the lock cylinder 21 is driven to rotate relative to the lock body 20 by the key), the transmission assembly converts the rotation motion of the lock cylinder 21 into the linear sliding motion of the identification block 30, so that the identification block 30 is finally abutted to the detection sensor 40, and after the detection sensor 40 detects that the identification block 30 collides with the detection sensor 40, the detection sensor 40 outputs a collision signal.
Specifically, with reference to fig. 3 and 4, the drive assembly includes a slide 50 and a swing arm 60. The sliding table 50 is slidably connected to the base 10, the sliding track of the sliding table 50 is a straight line, the detection sensor 40 is located at one end of the sliding track of the sliding table 50, the identification block 30 is arranged on the sliding table 50, and the sliding table 50 is provided with a sliding groove 51. The swing arm 60 is perpendicular to the rotation axis of the lock cylinder 21, one end of the swing arm 60 is fixedly connected to the lock cylinder 21, and the other end of the swing arm 60 is provided with a slide block 61 slidably connected to the slide groove 51, so that when the lock cylinder 21 rotates, the swing arm 60 swings along with the rotation of the lock cylinder 21, and the slide block 61 slides in the slide groove 51. The connection line between the two ends of the sliding groove 51 is inclined to the sliding direction of the sliding table 50, so when the sliding block 61 slides in the sliding groove 51, the sliding block 61 drives the sliding table 50 to slide relative to the base 10.
In this embodiment, the extending track of the sliding groove 51 is curved, the extending track of the sliding groove 51 is preferably arc-shaped, and a space is provided between the center of the extending track of the sliding groove 51 and the rotation axis of the lock core 21, which can realize that when the sliding block 61 slides in the sliding groove 51, the sliding block 61 drives the sliding table 50 to slide relative to the base 10.
Of course, in other alternative embodiments, the extending track of the sliding slot 51 is straight, and the extending track of the sliding slot 51 is inclined to the sliding direction of the sliding table 50.
In order to make the structure of the door lock detection mechanism of the present utility model more compact, the sliding table 50 is provided with the relief notch 52, the opening of the relief notch 52 is opposite to the outer sidewall of the lock body 20, and when the distance between the sliding table 50 and the detection sensor 40 is the farthest, the outer sidewall of the lock body 20 abuts against the inner sidewall of the relief notch 52.
Referring to fig. 5, in order to limit the degree of freedom of the sliding table 50, the door lock detection mechanism of the present utility model further includes a guide assembly, the guide assembly includes a connection seat 70 and a guide rod 80, the connection seat 70 is fixedly connected to the base 10, the connection seat 70 is provided with a guide hole 71, the guide rod 80 is slidably inserted into the guide hole 71, and the sliding table 50 is connected to the guide rod 80, so that the sliding table 50 can slide along a straight line relative to the base 10 under the guidance of the guide rod 80 and the guide hole 71. In addition, since the guide bar 80 is driven by the sliding table 50 to slide relative to the connection seat 70, when the door lock detection mechanism is applied to the display screen box, the guide bar 80 can serve as a lock tongue to lock the display screen box and the door thereof, for example, the connection seat 70 is provided on the door, the display screen box is provided with a lock hole, when the door is closed, the end of the guide bar 80 is aligned with the lock hole, the lock cylinder 21 is rotated by a key to drive the sliding table 50 and the guide bar 80 to slide, and the end of the guide bar 80 penetrates the lock hole. Further, the connecting seat 70 is provided with a plurality of guide holes 71, the number of the guide rods 80 is consistent with that of the guide holes 71, each guide rod 80 corresponds to one guide hole 71, and the plurality of guide rods 80 and the plurality of guide holes 71 can prevent the sliding table 50 from rotating around one guide rod 80 relative to the guide hole 71.
Example 2
As shown in fig. 6, the difference between the present embodiment and embodiment 1 is that the transmission assembly includes a swing arm 60 and a link 90, the link 90 has a head end and a tail end disposed opposite to each other, the swing arm 60 is perpendicular to the rotation axis of the lock cylinder 21, one end of the swing arm 60 is fixedly connected to the lock cylinder 21, the other end of the swing arm 60 is rotatably connected to the head end of the link 90, the tail end of the link 90 is slidably connected to the base 10 along a linear track, and the identification block 30 is connected to the tail end of the link 90. When the lock cylinder 21 rotates, the swing arm 60 swings along with the rotation of the lock cylinder 21, and then drives the connecting rod 90 to move, so that the tail end of the connecting rod 90 and the identification block 30 do linear reciprocating motion, and the identification block 30 moves close to or away from the detection sensor 40.
Example 3
In order to solve the same technical problems, as shown in fig. 1, the utility model also provides a display screen box body, which comprises the door lock detection mechanism, wherein the display screen box body comprises a frame and a cover body, the frame is of a hollow cuboid structure, one side of the frame is provided with an opening, and the cover body can be covered on the opening of the frame. The base 10, the lock body 20, the transmission assembly and the identification block 30 of the door lock detection mechanism are all arranged on the cover body, the detection sensor 40 is arranged in the frame, the frame is provided with a lock hole, when the cover body is covered on the frame (namely, the cover body is closed), the end part of the guide rod 80 is aligned with the lock hole, the sliding table 50 can be driven to slide relative to the base by rotating the lock core 21 through a key, the guide rod 80 is inserted into the lock hole of the frame, the cover body is locked on the frame, otherwise, when the key and the lock core 21 are rotated to drive the guide rod 80 to be separated from the lock hole, the cover body and the frame can be unlocked, and the cover body can be taken down from the frame or forced to rotate relative to the frame so as to be opened. Other technical features of the door lock detection mechanism (see embodiment 1 and embodiment 2) are applicable in this embodiment, and will not be described here again.
In summary, the lock cylinder 21 rotatable relative to the lock body 20 can drive the identification block 30 to slide relative to the base 10 through the transmission assembly, so that the identification block 30 moves close to or away from the detection sensor 40 on the base 10, the detection sensor 40 is used for outputting a detection signal according to the distance between the detection sensor and the identification block 30, and based on the structure, detection of the action state of the lock cylinder 21 is achieved, so that whether the lock cylinder 21 is in the locking state is detected.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (10)
1. The door lock detection mechanism is characterized by comprising a base, a lock body, a transmission assembly, an identification block and a detection sensor;
The detection sensor is connected to the base, the lock body is provided with a lock cylinder capable of rotating relative to the lock body, the detection sensor and the identification block are arranged oppositely, the identification block is slidably connected to the base and can move close to or far away from the detection sensor, and the detection sensor is used for outputting a detection signal according to the distance between the detection sensor and the identification block;
the transmission assembly is respectively connected with the lock cylinder and the identification block, and drives the identification block to slide relative to the base when the lock cylinder rotates.
2. The door lock detection mechanism of claim 1, wherein the transmission assembly comprises a slide table and a swing arm; the sliding table is slidably connected to the base, the identification block is arranged on the sliding table, and the sliding table is provided with a sliding groove; the swing arm is perpendicular to the rotation axis of the lock cylinder, one end of the swing arm is fixedly connected with the lock cylinder, and the other end of the swing arm is provided with a sliding block which is slidably connected with the sliding groove; the connecting line between the two ends of the sliding groove is inclined to the sliding direction of the sliding table.
3. The door lock detection mechanism according to claim 2, wherein the extending track of the chute is a straight line.
4. The door lock detection mechanism according to claim 2, wherein an extending track of the chute is curved.
5. The door lock detection mechanism according to claim 4, wherein the extending track of the sliding groove is in a circular arc shape, and a distance is arranged between a circle center of the extending track of the sliding groove and a rotation axis of the lock cylinder.
6. The door lock detection mechanism according to claim 2, wherein a relief notch is provided on the slide table, and an opening of the relief notch is disposed opposite to an outer sidewall of the lock body.
7. The door lock detection mechanism according to claim 1, further comprising a guide assembly, wherein the guide assembly comprises a connecting seat and a guide rod, the connecting seat is fixedly connected to the base, a guide hole is formed in the connecting seat, the guide rod is slidably arranged in the guide hole in a penetrating manner, and the identification block is connected to the guide rod.
8. The door lock detection mechanism according to claim 7, wherein a plurality of the guide holes are provided in the connection base, the number of the guide rods is identical to the number of the guide holes, and each of the guide rods corresponds to one of the guide holes.
9. The door lock detection mechanism of claim 1, wherein the transmission assembly comprises a swing arm and a connecting rod, the connecting rod has a head end and a tail end arranged in opposition, the swing arm is perpendicular to the rotation axis of the lock cylinder, one end of the swing arm is fixedly connected to the lock cylinder, the other end of the swing arm is rotatably connected to the head end of the connecting rod, the tail end of the connecting rod is slidably connected to the base along a linear track, and the identification block is connected to the tail end of the connecting rod.
10. A display screen case comprising a door lock detection mechanism as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322564638.5U CN220849205U (en) | 2023-09-20 | 2023-09-20 | Door lock detection mechanism and display screen box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322564638.5U CN220849205U (en) | 2023-09-20 | 2023-09-20 | Door lock detection mechanism and display screen box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220849205U true CN220849205U (en) | 2024-04-26 |
Family
ID=90741907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322564638.5U Active CN220849205U (en) | 2023-09-20 | 2023-09-20 | Door lock detection mechanism and display screen box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220849205U (en) |
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2023
- 2023-09-20 CN CN202322564638.5U patent/CN220849205U/en active Active
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