CN210422331U - Security protection house window - Google Patents
Security protection house window Download PDFInfo
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- CN210422331U CN210422331U CN201920336615.XU CN201920336615U CN210422331U CN 210422331 U CN210422331 U CN 210422331U CN 201920336615 U CN201920336615 U CN 201920336615U CN 210422331 U CN210422331 U CN 210422331U
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Abstract
The utility model relates to a home security field, more specifically say, it relates to a security protection house window, aims at solving the window and forgets to close, probably takes advantage of the problem that the machine got into by the criminal, and its technical scheme main points are: including connecting in the window frame in house, level setting and rotate the axis of rotation of connecting in the window frame top, be fixed in the axis of rotation and rotate the window form of connecting in the window frame through the axis of rotation, connect in the window frame and lock axis of rotation pivoted locking mechanical system, control circuit according to the opening and closing of user's preset time control locking mechanical system. The utility model discloses a locking mechanical system's design for the window frame can be opened and close freely when needs are opened, and when needs are closed, removes the locking under control circuit's control, makes the window form fall under the effect of gravity, realizes self-closing.
Description
Technical Field
The utility model relates to a home security field, more specifically say, it relates to a security protection home window.
Background
People often feel far less comfortable than natural wind while enjoying air conditioning, and therefore, the windows of a hall are often opened when the people move about at home. However, when the user returns to the bedroom at night to sleep, the user sometimes forgets to close the window, and the burglar can take the opportunity.
Therefore, a new solution is needed to solve this problem.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a security protection house window, through locking mechanical system's design for free opening and close when needs are opened to the window frame, and when needs are closed, relieve the locking under control circuit's control, make the window form fall under the effect of gravity, realize self-closing.
The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a security protection house window, is including connecting in the window frame in house, level setting and rotate the axis of rotation of connecting in the window frame top, be fixed in the axis of rotation and rotate the window form of connecting in the window frame through the axis of rotation, connect in the window frame and lock axis of rotation pivoted locking mechanical system, according to the control circuit that user's time control locking mechanical system opened and close that predetermines.
The window body is manually opened by a user, and after the window body is opened, the position of the window body is limited by the locking mechanism, so that the stepless free angle adjustment is realized;
meanwhile, through the design of the control circuit, when the window body needs to be closed, the window can be unlocked, and the window can be automatically closed under the action of gravity.
The utility model discloses further set up to: the window frame is provided with a rotating groove for accommodating the rotating shaft, the peripheral wall of the rotating groove is provided with a plurality of abutting grooves, the locking mechanism comprises an abutting block connected with the abutting grooves in a sliding manner, and an abutting spring with one end connected with the abutting block and the other end connected with the bottoms of the abutting grooves, wherein the abutting spring is always in an abutting state; the butt piece is the friction disc towards one side of axis of rotation, and the butt piece is magnet towards one side of butt tank bottom, the butt tank bottom be equipped with magnet complex electro-magnet, the electro-magnet is coupled with control circuit.
The butting block is divided into three parts, namely a friction part for increasing the friction force between the butting block and the rotating shaft, a magnet part for realizing intelligent control by matching with the electromagnet, and a middle connecting part for connecting the butting block and the electromagnet, so that the friction and the intelligent control are realized;
the abutting spring is always in an abutting state, so that the abutting block keeps abutting against the rotating shaft when the electromagnet is not started, and the rotating shaft is limited.
The utility model discloses further set up to: the inner wall of the window frame is provided with a buffer groove extending along the gravity direction and a buffer block sliding along the length direction of the buffer groove; the window form with be equipped with the buffer beam between the window frame, the one end of buffer beam rotates to be connected in the window form, and the other end rotates to be connected in the buffer block.
The window body directly falls under the effect of gravity, very big sound is sent out probably, bring bad experience for the user, also can cause the damage to its self simultaneously, influence the life of window body, consequently, make certain frictional force through the sliding connection of buffer block with the dashpot, make the window body at the in-process that glides, acceleration is great earlier, the change along with turned angle diminishes gradually after, acceleration becomes the negative number even, when making the window body closed, overall speed can not be too high.
The utility model discloses further set up to: the control circuit includes:
the detection circuit comprises a first signal receiver for receiving a time signal, a second signal receiver for receiving a remote control signal and a detection signal;
the comparison circuit is coupled to the output end of the detection circuit to receive the detection signal and output a comparison signal;
and the execution circuit is coupled with the comparison circuit and controls whether the electromagnet is electrified or not according to the comparison signal.
By adopting the technical scheme, the detection circuit can receive real-time through the first signal receiver, so that the real-time is compared with time set by a user to realize control on the electromagnet;
meanwhile, the second signal receiver receives the remote control signal, so that the window is prevented from being automatically closed when a user does not want to close the window.
The utility model discloses further set up to: the comparison circuit comprises a comparison circuit, a comparator and a comparator,
the first comparison part is coupled to the detection circuit to receive the detection signal, compares the detection signal with a first preset value and outputs a first control signal;
the second comparing part is coupled to the detection circuit to receive the detection signal, and outputs a second control signal after comparing the detection signal with a second preset value.
The first preset value is a preset time value and is preset by a user, when the preset time is up, the first comparison part outputs a first comparison signal, if the preset time value is 22 points, the time signal of the first signal receiver continuously changes along with the time and is continuously compared with the first preset value, and when the preset time value exceeds 22 points, the first control signal is output;
the second preset value is a preset switch value, and when the preset switch is not turned on, the second comparison part is not conducted, so that the window body cannot be closed when a user does not want to close the window body.
The utility model discloses further set up to: the execution circuit comprises a first execution circuit and a second execution circuit,
the first executing part is coupled with the first comparing part to receive a first control signal, and enables the electromagnet to be electrified and keep an electrified state when the induction signal of the first signal receiver is greater than a first preset value;
and the second execution part is coupled with the second comparison part to receive a second control signal, and when the induction signal of the second signal receiver is greater than a second preset value, the second execution part enables the first execution part to be powered off and enables the electromagnet to keep a power-off state.
By adopting the technical scheme, when the control signal of the first signal receiver is greater than the first preset value, the electromagnet is powered on, so that the locking mechanism stops working, and the window body can rotate;
when the induction signal of the second signal receiver is larger than the second preset value, the user closes the automatic window closing function, and the locking mechanism keeps the locking state no matter whether the first signal receiver is larger than the first preset value or not.
The utility model discloses further set up to: the first executing section includes:
a fifth resistor, one end of which is coupled to the first comparing part;
the emitter of the first triode is grounded, and the base of the first triode is coupled to the other end of the fifth resistor;
one end of the sixth resistor is coupled to a connection point of the fifth resistor and the base electrode of the first triode, and the other end of the sixth resistor is coupled to a connection point of the first triode and the ground;
a ninth resistor, one end of which is coupled to the direct current and the other end of which is coupled to the collector of the first triode;
the first relay comprises a coil and a first normally open contact switch, one end of the coil is coupled to a connection point of a ninth resistor and direct current, the other end of the coil is coupled to a connection point of the ninth resistor and a first triode, and the first normally open contact switch is coupled with the electromagnet.
Through adopting above-mentioned technical scheme, first control signal switches on first relay to make first normally open contact switch closed, and then make the electro-magnet get electric, carry out work.
The utility model discloses further set up to: the second executing part comprises a second executing part,
a seventh resistor coupled to the second comparing part;
a base electrode of the second triode is coupled with the seventh resistor, and an emitting electrode of the second triode is grounded;
one end of the eighth resistor is coupled to a connection point of the seventh resistor and the base electrode of the second triode, and the other end of the eighth resistor is coupled to a connection point of the second triode and the ground;
the second relay comprises a coil and a first normally closed contact switch, one end of the coil is coupled to direct current, the other end of the coil is coupled to a collector electrode of the second triode, and one end of the first normally closed contact switch is coupled between the first normally open contact switch and the electromagnet.
Through adopting above-mentioned technical scheme, the second triode is switched on to the second control signal of output, makes the work of second relay, and the disconnection of the first normally closed contact of second relay makes first normally open switch no matter open or close, can't influence the electro-magnet.
To sum up, the utility model discloses following beneficial effect has:
firstly, through the design of a locking mechanism, the window frame can be freely opened when needing to be opened, and stepless limiting is realized;
and secondly, through the design of a control circuit, the locking of the frame body can be automatically released, so that the window body falls under the action of gravity, and the automatic closing is realized.
Drawings
FIG. 1 is a schematic structural diagram of the first embodiment;
FIG. 2 is a side cross-sectional view of FIG. 1;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is a schematic structural view of the abutting block, the abutting spring and the magnet;
fig. 5 is a circuit diagram of the control circuit.
In the figure: 1. a window frame; 11. a buffer tank; 12. a buffer block; 13. a buffer rod; 2. a rotating shaft; 3. a window body; 4. a locking mechanism; 41. a rotating groove; 42. a butt joint groove; 43. the spring is tightly propped; 5. a butting block; 51. a friction block; 52. a magnet; 6. an electromagnet; 7. a first signal receiver; 8. a second signal receiver; 1000. a control circuit; 100. a detection circuit; 200. a comparison circuit; 201. a first comparing section; 202. a second comparing section; 300. an execution circuit; 301. a first executing section; 302. a second executing section; r1, a first resistor; r2, a second resistor; r3, third resistor; r4, fourth resistor; r5, fifth resistor; r6, sixth resistor; r7, seventh resistor; r8, eighth resistor; r9, ninth resistor; A. a first comparator; B. a second comparator; q1, the first triode; q2, the second triode; KM2, a second relay; KM1, a first relay; KM2-1, a first normally closed contact switch; KM1-1, first normally open contact switch.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
The first embodiment is as follows: the utility model provides a security protection house window, as shown in fig. 1, 3, including connect in the window frame 1 in house, the level sets up and rotate the rotation axis 2 of connecting in the top of window frame 1, be fixed in rotation axis 2 and through 2 rotation connections in the window form 3 of window frame 1 of rotation axis, connect in window frame 1 and lock 2 pivoted locking mechanical system 4 of rotation axis, according to the control circuit 1000 that the time control locking mechanical system 4 opened and close that the user predetermines.
This patent mainly used window that vertical upset was opened, window 3 is opened by user's manual to after opening, carry out the injecing of position by locking mechanical system 4, thereby realize the free angular adjustment of angle window 3 unscrewing angle.
In order to conveniently mount the rotating shaft 2, the inner wall of the window frame 1 is provided with a rotating groove 41 for accommodating the rotating shaft 2, and the rotating shaft 2 rotates in the rotating groove 41. The peripheral wall of the rotating groove 41 is provided with a plurality of abutting grooves 42, the opening of the abutting grooves 42 is arranged towards the rotating shaft 2, the locking mechanism 4 comprises an abutting block 5 which is slidably connected with the abutting grooves 42, and a abutting spring 43, one end of which is connected with the abutting block 5, and the other end of which is connected with the bottom of the abutting grooves 42, the abutting spring 43 is always in an abutting state and fixedly connected with two ends, so that the abutting block 5 is pushed to the rotating shaft 2, and the abutting block 5 is abutted to the rotating shaft 2.
As shown in fig. 3 and 4, the abutting block 5 is divided into three parts, one of the friction plates located on the side of the abutting block 5 facing the rotating shaft 2 is a part, the friction plate is a friction part for increasing the friction force with the rotating shaft 2, and is mainly made of a material with a large friction force, such as a rubber block, and the like, and in order to increase the friction force between the friction plate and the rotating shaft 2, the friction plate is in an arc shape which is matched with the outer wall of the rotating shaft 2.
The magnet 52 on the side of the abutment block 5 facing the bottom of the abutment slot 42 is another part which is mainly used to control the movement of the abutment block 5 by the control circuit 1000. Specifically, in order to control the movement of the abutting block 5 and further control the opening and closing of the locking mechanism 4, the electromagnet 6 matched with the magnet 52 is arranged at the bottom of the abutting groove 42, and when the electromagnet 6 is started, the abutting block 5 overcomes the elastic force of the abutting spring 43 and moves towards the bottom of the abutting groove 42; when the electromagnet 6 is not started, the abutting block 5 abuts against the rotating shaft 2 under the action of the abutting spring 43. Thereby mapping the electrical signal to a physical effect.
The last part of the abutting block 5 is a middle connecting part for connecting the friction plate and the magnet 52, and the friction plate and the magnet 52 are connected by mainly using materials such as rubber materials.
The friction force of the friction part does not need to be too large, and only the abutting spring 43 with normal specification needs to be used, so that the friction force is larger than the gravity of the window body 3, the purchase and the replacement are convenient, a user can still easily open and close the window body 3 when the locking mechanism 4 is locked, and the problem that the window body 3 cannot be closed due to the fact that the electromagnet 6 breaks down is avoided.
As shown in fig. 1 and 2, when the window 3 is closed, if the window 3 falls directly under the action of gravity, a loud sound is likely to be generated, which brings a bad experience to a user; meanwhile, the structure of the window body 3 is damaged, and the service life is shortened. Therefore, be equipped with at 1 inner wall of window frame along the direction of gravity extension dashpot 11, be located dashpot 11 and along 11 gliding buffers 12 of dashpot length direction, locate the buffer beam 13 between window form 3 and buffers 12, the one end of buffer beam 13 rotates and connects in window form 3, and the other end rotates and connects in buffers 12 to at the in-process that window form 3 closed, constantly provide sliding resistance. The overall speed is not too high when window 3 is closed.
Example two: a security protection house window, as shown in figure 2, is different from embodiment one in that: the locking mechanism further comprises a control circuit 1000 for controlling the locking mechanism 4 to open and close according to a time preset by a user, wherein the control circuit 1000 comprises a detection circuit 100 for receiving a time signal and a remote control signal, a comparison circuit 200 coupled to the detection circuit 100, and an execution circuit 300 coupled to the comparison circuit 200.
The detection circuit 100 uses a detector comprising a first signal receiver 7 for receiving the time signal, a second signal receiver 8 for receiving the remote control signal.
The comparator circuit 200 includes a first comparator 201 and a second comparator 202.
The first comparing part 201 includes a first resistor R1, a second resistor R2, and a first comparator a, wherein one end of the first resistor R1 is coupled to the direct current, the other end of the first resistor R1 is coupled to one end of the second resistor R2, the other end of the second resistor R2 is grounded, the inverting end of the first comparator a is coupled to a connection point of the first resistor R1 and the second resistor R2 to receive a first preset value, the first preset value is a preset time value and is preset by a user, and when the preset time is reached, the first comparing part 201 outputs a first comparing signal; the positive phase terminal of the first comparator a is coupled to the first signal receiver 7 for receiving the detection signal.
The specific setting of the first preset value may be through a time period setting, for example, if the window is closed at ten night, after ten night, the electromagnet 6 is automatically activated under the control of the first comparing part 201.
The second comparing part 202 comprises a third resistor R3, a fourth resistor R4 and a second comparator B, one end of the third resistor R3 is coupled to direct current, the other end of the third resistor R3 is coupled to one end of the fourth resistor R4, the other end of the fourth resistor R4 is grounded, the inverting end of the second comparator B is coupled to the connection point of the third resistor R3 and the fourth resistor R4 to receive a second preset value, the second preset value is a preset switch value, when the preset switch is not turned on, the second comparing part 202 is not turned on, so that the window 3 cannot be closed when a user does not want to close the window 3; the positive phase terminal of the second comparator B is coupled to the second signal receiver 8 for receiving the detection signal.
The execution circuit 300 includes a first execution unit 301 and a second execution unit 302.
The first executing part 301 includes a fifth resistor R5, a sixth resistor R6, a first transistor Q1, a ninth resistor R9, and a first relay KM1, wherein one end of the fifth resistor R5 is coupled to the output end of the first comparator a, and the other end of the fifth resistor R5 is coupled to the base of the first transistor Q1; the collector of the first transistor Q1 is coupled to the second relay KM2, and the emitter of the first transistor Q1 is grounded.
One end of the sixth resistor R6 is coupled to a connection point between the fifth resistor R5 and the base of the first transistor Q1, and the other end of the sixth resistor R6 is coupled to a connection point between the first transistor Q1 and ground.
The ninth resistor R9 has one end coupled to the dc power and the other end coupled to the collector of the first transistor Q1.
The first relay KM1 includes a coil and a first normally open contact switch KM1-1, one end of the coil is coupled to a connection point of the ninth resistor R9 and the direct current, the other end of the coil is coupled to a connection point of the ninth resistor R9 and the first triode Q1, and the first normally open contact switch KM1-1 is coupled to the electromagnet 6.
The second executing part 302 comprises a seventh resistor R7, an eighth resistor R8, a second triode Q2, a second relay KM2 and a freewheeling diode, wherein one end of the seventh resistor R7 is coupled to the output end of the second comparator B, and the other end of the seventh resistor R7 is coupled to the base of the second triode Q2; the collector of the second transistor Q2 is coupled to the second relay KM2, and the emitter of the second transistor Q2 is grounded.
One end of the eighth resistor R8 is coupled to the connection point of the seventh resistor R7 and the base of the second transistor Q2, and the other end is coupled to the connection point of the second transistor Q2 and the ground; the second relay KM2 is coupled to dc power, and the second relay KM2 includes a first normally closed contact switch KM2-1 coupled to the electromagnet 6 and the first normally open contact switch KM 1-1. One end of the freewheeling diode is coupled to a connection point between the second relay KM2 and the collector of the second transistor Q2, and the other end of the freewheeling diode is coupled to a connection point between the second relay KM2 and ground.
The working process is as follows: receiving the time signal through the first signal receiver 7, so that when the preset time is reached, the locking mechanism 4 is unlocked, and the window 3 is automatically closed; the remote control signal is received through the second signal receiver 8, so that when a user does not want to close the window 3, the locking mechanism 4 cannot unlock, and the window 3 cannot be automatically closed;
when the time signal received by the first signal receiver 7 is greater than a first preset value, a first control signal is transmitted at the first comparison part 201 through signal processing of the first signal receiver 7, the first relay KM1 closes the first normally open contact switch KM1-1, so that the direct current, the first normally open contact switch KM1-1, the electromagnet 6 and the second normally open contact switch are connected in series, and finally, the electromagnet 6 is grounded, so that the electromagnet 6 can work, the elastic force of the abutting spring 43 is overcome, and the abutting block 5 is sucked into the abutting groove 42;
when the signal received by the second signal receiver 8 is greater than the second preset value, it indicates that the user does not want to close the window 3, at this time, the second comparing part 202 transmits a second control signal, so that the second relay KM2 is started, so that the first normally closed contact switch KM2-1 is opened, the electromagnet 6 is no longer controlled by the first comparing part 201, at this time, the abutting block is kept in the abutting state with the rotating shaft 2 under the action of the abutting spring 43, and the position of the window 3 is locked;
in summary, through the cooperation of the first signal receiver 7 and the second signal receiver 8, when the user does not want to close the window 3 after opening the window 3, the user only needs to press the corresponding key of the remote controller to make the second comparing part 202 non-conductive, so that the window 3 cannot be closed;
when the user wants to close the window 3, the user presses the corresponding key of the remote controller again to turn on the second comparing part 202, and at this time, the window 3 can be automatically closed as long as the time reaches the time preset by the user.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides a security protection house window which characterized in that: including connecting in window frame (1) in the house, the level sets up and rotate and connect in axis of rotation (2) on window frame (1) top, be fixed in axis of rotation (2) and rotate through axis of rotation (2) and connect in window form (3) of window frame (1), connect in window frame (1) and lock axis of rotation (2) pivoted locking mechanical system (4), control circuit (1000) that control locking mechanical system (4) opened and close according to user's preset time.
2. The security home window according to claim 1, wherein: the window frame (1) is provided with a rotating groove (41) for accommodating the rotating shaft (2), the peripheral wall of the rotating groove (41) is provided with a plurality of abutting grooves (42), the locking mechanism (4) comprises an abutting block (5) which is slidably connected with the abutting grooves (42), and an abutting spring (43) of which one end is connected with the abutting block (5) and the other end is connected with the bottom of the abutting grooves (42), wherein the abutting spring (43) is always in an abutting state; one side of the abutting block (5) facing the rotating shaft (2) is a friction plate, one side of the abutting block (5) facing the bottom of the abutting groove (42) is a magnet (52), an electromagnet (6) matched with the magnet (52) is arranged at the bottom of the abutting groove (42), and the electromagnet (6) is coupled with the control circuit (1000).
3. The security home window according to claim 1, wherein: the inner wall of the window frame (1) is provided with a buffer groove (11) extending along the gravity direction and a buffer block (12) sliding along the length direction of the buffer groove (11); window form (3) with be equipped with buffer bar (13) between window frame (1), the one end of buffer bar (13) is rotated and is connected in window form (3), and the other end is rotated and is connected in buffer block (12).
4. The security home window according to claim 2, wherein: the control circuit (1000) comprises:
a detection circuit (100) comprising a first signal receiver (7) for receiving a time signal, a second signal receiver (8) for receiving a remote control signal, and emitting a detection signal;
a comparison circuit (200) coupled to an output of the detection circuit (100) for receiving the detection signal and outputting a comparison signal;
and the execution circuit (300) is coupled with the comparison circuit (200) and controls whether the electromagnet (6) is electrified or not according to the comparison signal.
5. The security home window according to claim 4, wherein: the comparison circuit (200) comprises,
a first comparing part (201) coupled to the detection circuit (100) for receiving the detection signal, comparing the detection signal with a first preset value and outputting a first control signal;
the second comparing part (202) is coupled to the detection circuit (100) for receiving the detection signal, comparing the detection signal with a second preset value and outputting a second control signal.
6. The security home window according to claim 4, wherein: the execution circuit (300) comprises,
the first execution part (301) is coupled to the first comparison part (201) to receive a first control signal, and when the induction signal of the first signal receiver (7) is greater than a first preset value, the first execution part (301) enables the electromagnet (6) to be powered on and keeps a powered-on state;
and the second execution part (302) is coupled to the second comparison part (202) to receive a second control signal, and when the sensing signal of the second signal receiver (8) is greater than a second preset value, the second execution part (302) enables the first execution part (301) to be powered off and enables the electromagnet (6) to be kept in a power-off state.
7. The security home window of claim 6, wherein: the first execution unit (301) includes:
a fifth resistor (R5) having one end coupled to the first comparing portion (201);
a first triode (Q1), the emitter of which is grounded and the base of which is coupled with the other end of the fifth resistor (R5);
a sixth resistor (R6), one end of which is coupled to the connection point between the fifth resistor (R5) and the base of the first transistor (Q1), and the other end of which is coupled to the connection point between the first transistor (Q1) and ground;
a ninth resistor (R9) having one end coupled to the dc power and the other end coupled to the collector of the first transistor (Q1);
the first relay (KM 1) comprises a coil and a first normally open contact switch (KM 1-1), wherein one end of the coil is coupled to a connection point of a ninth resistor (R9) and direct current, the other end of the coil is coupled to a connection point of the ninth resistor (R9) and a first triode (Q1), and the first normally open contact switch (KM 1-1) is coupled with the electromagnet (6).
8. The security home window of claim 7, wherein: the second executing part (302) comprises,
a seventh resistor (R7) coupled to the second comparing section (202);
a second transistor (Q2), the base of which is coupled to the seventh resistor (R7) and the emitter of which is grounded;
an eighth resistor (R8), one end of which is coupled to the connection point between the seventh resistor (R7) and the base of the second transistor (Q2), and the other end of which is coupled to the connection point between the second transistor (Q2) and ground;
and the second relay (KM 2) comprises a coil and a first normally closed contact switch (KM 2-1), wherein one end of the coil is coupled with direct current, the other end of the coil is coupled with the collector of the second triode (Q2), and one end of the first normally closed contact switch (KM 2-1) is coupled between the first normally open contact switch (KM 1-1) and the electromagnet (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920336615.XU CN210422331U (en) | 2019-03-16 | 2019-03-16 | Security protection house window |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920336615.XU CN210422331U (en) | 2019-03-16 | 2019-03-16 | Security protection house window |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210422331U true CN210422331U (en) | 2020-04-28 |
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ID=70360926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920336615.XU Expired - Fee Related CN210422331U (en) | 2019-03-16 | 2019-03-16 | Security protection house window |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210422331U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112049335A (en) * | 2020-08-25 | 2020-12-08 | 杜祥力 | Building top skylight |
-
2019
- 2019-03-16 CN CN201920336615.XU patent/CN210422331U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112049335A (en) * | 2020-08-25 | 2020-12-08 | 杜祥力 | Building top skylight |
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