CN216641746U - Push rod escape lock - Google Patents
Push rod escape lock Download PDFInfo
- Publication number
- CN216641746U CN216641746U CN202122578991.XU CN202122578991U CN216641746U CN 216641746 U CN216641746 U CN 216641746U CN 202122578991 U CN202122578991 U CN 202122578991U CN 216641746 U CN216641746 U CN 216641746U
- Authority
- CN
- China
- Prior art keywords
- block
- shell
- spring
- driving
- piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Lock And Its Accessories (AREA)
Abstract
The utility model discloses a push rod escape lock, which comprises a shell; the square shaft assembly comprises an upper shifting wheel, a separating sheet and a lower shifting wheel, the upper shifting wheel is movably arranged on the shell, the separating sheet is arranged below the upper shifting wheel and fixedly connected with the upper shifting wheel, the lower shifting wheel is movably arranged on the shell, and the lower shifting wheel is arranged below the separating sheet; the oblique tongue assembly comprises a driving rod and an oblique tongue block, the oblique tongue block is connected with the driving rod, the oblique tongue block can extend out of and retract into the shell, and the driving rod is connected with the upper shifting wheel and the lower shifting wheel; the square tongue assembly comprises a square tongue block, a driving block, a square tongue return spring and a square tongue locking piece, wherein the square tongue block is connected with the driving block, the square tongue block can extend out of and retract into the shell, the square tongue return spring is arranged on the shell, one end of the square tongue return spring is connected with the shell, the other end of the square tongue return spring is connected with the driving block, and the square tongue locking piece is arranged on the shell; and the clutch plate is movably arranged on the shell and is respectively connected with the separation plate and the dead bolt locking plate. The escape lock is arranged on an escape door, and has the functions of theft prevention and escape.
Description
Technical Field
The utility model relates to the technical field of locks, in particular to a push rod escape lock.
Background
The existing lock body matched with the push rod escape lock is mainly matched with a channel lock, the channel lock is a single-bolt lock, the locking function is not realized, and the anti-theft performance is poor. At present, European standard escape locks are also available in the market, but are only suitable for being matched with handles, and when the European standard escape locks are matched with push rod escape locks for use, the square tongues automatically retract slowly when escaping and opening doors, and are easy to clamp on buckle plates and cannot open the doors.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides a push rod escape lock which is arranged on an escape door and has the functions of theft prevention and escape.
According to the embodiment of the utility model, the push rod escape lock comprises:
a housing;
the square shaft assembly is correspondingly arranged in the shell and comprises an upper shifting wheel, a separation sheet and a lower shifting wheel, the upper shifting wheel is movably arranged on the shell, the separation sheet is arranged below the upper shifting wheel and fixedly connected with the upper shifting wheel, the lower shifting wheel is movably arranged on the shell, and the lower shifting wheel is arranged below the separation sheet;
the oblique tongue assembly is correspondingly arranged in the shell and comprises a driving rod and an oblique tongue block, the oblique tongue block is connected with the driving rod, the oblique tongue block can extend out of and retract into the shell, and the driving rod is connected with the upper dial wheel and the lower dial wheel;
the square tongue assembly is correspondingly arranged in the shell and comprises a square tongue block, a driving block, a square tongue return spring and a square tongue locking sheet, the square tongue block is connected with the driving block, the square tongue block can extend out of and retract into the shell, the square tongue return spring is arranged on the shell, one end of the square tongue return spring is connected with the shell, the other end of the square tongue return spring is connected with the driving block, and the square tongue locking sheet is arranged on the shell and used for locking the driving block;
And the clutch plate is movably arranged on the shell and is respectively connected with the separation plate and the dead bolt locking plate.
The push rod escape lock provided by the embodiment of the utility model at least has the following beneficial effects:
the upper shifting wheel and the lower shifting wheel can rotate independently, and the inclined tongue block can be driven to retract during rotation. When the square tongue block extends out and rotates on the outdoor lower dial wheel, the inclined tongue block can be only driven to retract, the square tongue block does not act and remains still, and the lock is still in a locking state, so that the anti-theft effect is realized; when the upper shifting wheel rotates indoors, the separating plate can be driven to rotate together, the separating plate can drive the clutch plate to rotate, the clutch plate can jack up the square tongue locking plate to enable the square tongue locking plate to be separated from the driving block, at the time, the square tongue block can retract rapidly under the effect of the square tongue reset spring, the inclined tongue block and the square tongue block can retract into the shell at the moment, and the inclined tongue block retracts earlier than the tongue block, so that the lockset is unlocked, and the escape function is realized.
According to the push rod escape lock provided by the embodiment of the utility model, the square shaft assembly further comprises a spring guide seat, a square shaft return spring and a positioning spring positioning piece, the spring guide seat is connected with the upper dial wheel and the lower dial wheel, one end of the square shaft return spring is connected with the spring guide seat, the other end of the square shaft return spring is connected with the positioning spring positioning piece, and the positioning spring positioning piece is arranged on the shell.
According to the push rod escape lock provided by the embodiment of the utility model, the oblique tongue assembly further comprises an oblique tongue return spring and a blocking piece, the oblique tongue return spring is sleeved on the driving rod, the blocking piece is fixedly sleeved on the driving rod, one end of the oblique tongue return spring is connected with the blocking piece, and the blocking piece is connected with the upper dial wheel and the lower dial wheel.
According to the push rod escape lock provided by the embodiment of the utility model, the dead bolt assembly further comprises a dead bolt locking spring, the dead bolt locking spring is arranged on the shell, one end of the dead bolt locking spring is connected with the dead bolt locking sheet, and the other end of the dead bolt locking spring is connected with the shell.
According to the push rod escape lock provided by the embodiment of the utility model, the driving block is provided with the bulge.
According to the push rod escape lock provided by the embodiment of the utility model, the dead bolt locking piece is provided with a clamping block, and the clamping block is provided with a groove matched with the protrusion.
According to the push rod escape lock provided by the embodiment of the utility model, the escape lock further comprises a lock cylinder reset piece and a lock cylinder reset spring, the lock cylinder reset piece is movably arranged below the driving block and is movably connected with the shell, the lock cylinder reset spring is arranged on the shell, one end of the lock cylinder reset spring is connected with the lock cylinder reset piece, and the other end of the lock cylinder reset spring is connected with the shell.
According to the push rod escape lock provided by the embodiment of the utility model, the lock cylinder resetting piece is provided with a clamping groove, and a clamping block of the locking piece penetrates through the clamping groove.
According to the push rod escape lock provided by the embodiment of the utility model, the escape lock further comprises a driving piece, a connecting piece and a connecting piece return spring, the driving piece is connected with the separating piece, one end of the connecting piece is connected with the driving piece, the other end of the connecting piece is connected with the driving block, the connecting piece return spring is arranged on the driving block, one end of the connecting piece return spring is connected with the driving block, and the other end of the connecting piece return spring is connected with the connecting piece.
According to the push rod escape lock provided by the embodiment of the utility model, the driving piece is connected with the blocking piece.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic view of an internal structure of a push rod escape lock according to an embodiment of the utility model;
Fig. 2 is an exploded view of a push rod escape lock according to an embodiment of the present invention.
Description of reference numerals:
a shell 100,
An upper dial wheel 210, a separation plate 220, a lower dial wheel 230, a spring guide seat 240, a square shaft return spring 250, a positioning spring positioning plate 260,
A driving rod 310, a latch block 320, a latch return spring 330, a baffle 340,
A square tongue block 410, a driving block 420, a protrusion 421, a square tongue return spring 430, a square tongue locking sheet 440, a clamping block 441, a groove 441a, a square tongue locking spring 450,
A clutch plate 510,
A lock cylinder reset sheet 610, a clamping groove 611, a lock cylinder reset spring 620,
A driving plate 710, a connecting plate 720 and a connecting plate return spring 730.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, more than, etc. are understood as not including the number, and the terms greater than, less than, etc. are understood as including the number. If there is a description of first and second for the purpose of distinguishing technical features only, this is not to be understood as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of technical features indicated.
In the description of the present invention, unless otherwise specifically limited, terms such as set, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention by combining the specific contents of the technical solutions.
Referring to fig. 1 and 2, an embodiment of the present invention provides a push rod escape lock, including: a housing 100; the square shaft assembly is correspondingly arranged in the shell 100 and comprises an upper thumb wheel 210, a separating sheet 220 and a lower thumb wheel 230, the upper thumb wheel 210 is movably arranged on the shell 100, the separating sheet 220 is arranged below the upper thumb wheel 210 and fixedly connected with the upper thumb wheel 210, the lower thumb wheel 230 is movably arranged on the shell 100, and the lower thumb wheel 230 is arranged below the separating sheet 220; the latch bolt assembly is correspondingly arranged in the shell 100 and comprises a driving rod 310 and a latch bolt block 320, the latch bolt block 320 is connected with the driving rod 310, the latch bolt block 320 can extend out of and retract into the shell 100, and the driving rod 310 is connected with the upper thumb wheel 210 and the lower thumb wheel 230; the dead bolt assembly is correspondingly arranged in the shell 100 and comprises a dead bolt block 410, a driving block 420, a dead bolt return spring 430 and a dead bolt locking sheet 440, wherein the dead bolt block 410 is connected with the driving block 420, the dead bolt block 410 can extend out of and retract into the shell 100, the dead bolt return spring 430 is arranged on the shell 100, one end of the dead bolt return spring is connected with the shell 100, the other end of the dead bolt return spring is connected with the driving block 420, and the dead bolt locking sheet 440 is arranged on the shell 100 and used for locking the driving block 420; and the clutch plate 510 is movably arranged on the shell 100, and the clutch plate 510 is respectively connected with the separation plate 220 and the dead bolt locking plate 440.
The upper dial wheel 210 and the lower dial wheel 230 can rotate independently, and both rotate to drive the inclined tongue piece 320 to retract. When the square tongue piece 410 extends out and the outdoor lower dial wheel 230 rotates, the inclined tongue piece 320 can be only driven to retract, the square tongue piece 410 does not act and remains still, and the lock is still in a locking state, so that the anti-theft effect is realized; when the upper thumb wheel 210 rotates indoors, the separating plate 220 can be driven to rotate together, the separating plate 220 can drive the clutch plate 510 to rotate, the clutch plate 510 can jack up the dead bolt locking plate 440, the dead bolt locking plate 440 is separated from the driving block 420, at this time, the dead bolt block 410 can retract rapidly under the action of the dead bolt return spring 430, at the moment, the oblique dead bolt block 320 and the dead bolt block 410 can both retract into the shell 100, and the oblique dead bolt block 320 retracts earlier than the dead bolt block 410, so that the lockset is unlocked, and the escape function is realized.
It should be noted that, the upper thumb wheel 210 may be externally connected with a handle, the handle is installed indoors, the user presses down the handle, the latch block 320 and the dead bolt block 410 retract, and the lock is unlocked.
Alternatively, the lower thumb wheel 230 may be externally connected with a handle, the handle is installed outdoors, and the user presses down the handle to retract the inclined tongue block 320; the upper thumb wheel 210 can be rotated using a special tool to retract the square tongue 410.
In some embodiments, referring to fig. 1 and 2, the square shaft assembly is further provided with a spring guide 240, a square shaft return spring 250, and a positioning spring positioning plate 260, the spring guide 240 is connected with the upper dial wheel 210 and the lower dial wheel 230, one end of the square shaft return spring 250 is connected with the spring guide 240, the other end is connected with the positioning spring positioning plate 260, and the positioning spring positioning plate 260 is disposed on the housing 100.
It should be noted that, when the upper dial wheel 210 or the lower dial wheel 230 rotates, the spring guide 240 is driven, the square shaft return spring 250 compresses to store elastic potential energy, the upper dial wheel 210 or the lower dial wheel 230 returns under the action of the square shaft return spring 250 after the rotation is stopped, and the square shaft return spring 250 releases the elastic potential energy.
It is conceivable that the spring guide seat 240 may be provided with a protruding cylinder adapted to the square shaft return spring 250, so that the spring guide seat 240 and the square shaft return spring 250 are effectively connected and are not easily loosened.
Further, the positioning spring positioning piece 260 is mainly used for fixing the square shaft return spring 250, so that the square shaft return spring 250 is not easy to shift, and the upper dial wheel 210 and the lower dial wheel 230 are ensured to be effectively reset.
In some embodiments, referring to fig. 1 and 2, the latch bolt assembly further includes a latch bolt return spring 330 and a blocking piece 340, the latch bolt return spring 330 is sleeved on the driving rod 310, the blocking piece 340 is fixedly sleeved on the driving rod 310, one end of the latch bolt return spring 330 is connected to the blocking piece 340, and the blocking piece 340 is connected to the upper dial wheel 210 and the lower dial wheel 230.
It should be noted that, when the upper dial wheel 210 or the lower dial wheel 230 rotates, the driving rod 310 and the latch bolt block 320 are pulled back together, the latch bolt return spring 330 compresses to store elastic potential energy, after the rotation of the upper dial wheel 210 or the lower dial wheel 230 stops, the driving rod 310 and the latch bolt block 320 return under the action of the latch bolt return spring 330, and the latch bolt return spring 330 releases the elastic potential energy.
Furthermore, the blocking piece 340 on the driving rod 310 is connected with the latch bolt return spring 330, so that the latch bolt return spring 330 is not easy to shift, and the function of the spring is fully exerted.
Optionally, a snap ring may be disposed at an end of the latch bolt return spring 330 away from the blocking piece 340, for fixing the latch bolt return spring 330 and facilitating the assembly and disassembly.
In some of these embodiments, referring to fig. 1 and 2, the tongue assembly further includes a tongue lock spring 450, the tongue lock spring 450 being disposed on the housing 100, one end being connected to the tongue lock tab 440 and the other end being connected to the housing 100.
It should be noted that, when the dead bolt locking spring 450 is installed, a certain compression elastic potential energy can be preset, so that the dead bolt locking piece 440 is constantly and tightly contacted with the driving block 420, and when the protrusion 421 is placed in the groove 441a, the dead bolt locking piece 440 can also fully lock the driving block 420, thereby ensuring that the driving block 420 is fixed and does not move.
In some of these embodiments, referring to fig. 1 and 2, the driving block 420 is provided with a protrusion 421. It should be noted that, a plurality of protrusions 421 may be disposed on the driving block 420, so that the driving block 420 may be extended and fixed at different preset lengths, and thus the driving square tongue block 410 may be extended by different lengths. It is contemplated that the number of protrusions 421 may be 2, 3 or other numbers.
In some embodiments, referring to fig. 2, the blade 440 has a groove 441a matching with the protrusion 421.
It should be noted that, when the protrusion 421 is disposed in the groove 441a, the driving block 420 is locked by the dead bolt locking piece 440, and the driving block 420 cannot move; when the protrusion 421 is not placed in the groove 441a, the driving block 420 is unlocked and can move.
In some embodiments, referring to fig. 1 and 2, the escape lock is further provided with a lock cylinder reset sheet 610 and a lock cylinder reset spring 620, the lock cylinder reset sheet 610 is movably disposed below the driving block 420 and movably connected with the housing 100, the lock cylinder reset spring 620 is disposed on the housing 100, one end of the lock cylinder reset spring is connected with the lock cylinder reset sheet 610, and the other end of the lock cylinder reset spring is connected with the housing 100.
In some embodiments, referring to fig. 1 and 2, the lock cylinder reset piece 610 is provided with a catching groove 611, and the catching block 441 of the lock cylinder reset piece is placed in the catching groove 611.
It should be noted that, when the separation plate 220 rotates, and the clutch plate 510 is driven to jack up the tongue locking plate 440, the clamping block 441 jacks up the lock cylinder reset plate 610, the lock cylinder reset spring 620 is compressed, and after the acting force of the clutch plate 510 stops, under the action of the lock cylinder reset spring 620, the lock cylinder reset plate 610 resets to drive the clamping block 441 to move, the movement of the clamping block 441 drives the separation plate 510 to move, and the clutch plate 510 drives the separation plate 220 to move, so that the separation plate 220 resets.
In some embodiments, referring to fig. 1 and 2, the escape lock further includes a driving plate 710, a connecting plate 720, and a connecting plate return spring 730, the driving plate 710 is connected to the separating plate 220, one end of the connecting plate 720 is connected to the driving plate 710, the other end is connected to the driving block 420, the connecting plate return spring 730 is disposed on the driving block 420, one end is connected to the driving block 420, and the other end is connected to the connecting plate 720.
It should be noted that, when the upper thumb wheel 210 rotates according to a certain method, the separating plate 220 is driven to rotate, the connecting plate 720 is driven, the driving plate 710 is driven to move by the movement of the connecting plate 720, and the driving block 420 is driven to move by the movement of the driving plate 710, so that the latch block 410 can move to extend out of the housing 100 for locking.
Further, the connecting piece return spring 730 is used for return after the movement of the connecting piece 720.
It can be understood that the latch assembly can be locked by rotating the upper dial wheel 210 outdoors when the user goes out, so that the latch block 410 is extended.
In some of these embodiments, referring to fig. 1 and 2, the driver blade 710 is attached to the flap 340.
It should be noted that, after the user locks the latch assembly outdoors, the user can use a special tool to rotate the upper dial wheel 210 to rotate a certain angle, the latch block 410 is unlocked first, and under the combined action of the driving plate 710 and the upper dial wheel 210, the latch block 320 retracts, the latch block 320 is unlocked, and at this time, the lock is completely unlocked.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A push rod escape lock, comprising:
a housing;
the square shaft assembly is correspondingly arranged in the shell and comprises an upper shifting wheel, a separation sheet and a lower shifting wheel, the upper shifting wheel is movably arranged on the shell, the separation sheet is arranged below the upper shifting wheel and fixedly connected with the upper shifting wheel, the lower shifting wheel is movably arranged on the shell, and the lower shifting wheel is arranged below the separation sheet;
the oblique tongue assembly is correspondingly arranged in the shell and comprises a driving rod and an oblique tongue block, the oblique tongue block is connected with the driving rod, the oblique tongue block can extend out of and retract into the shell, and the driving rod is connected with the upper dial wheel and the lower dial wheel;
the square tongue assembly is correspondingly arranged in the shell and comprises a square tongue block, a driving block, a square tongue reset spring and a square tongue locking piece, the square tongue block is connected with the driving block, the square tongue block can extend out of and retract into the shell, the square tongue reset spring is arranged on the shell, one end of the square tongue reset spring is connected with the shell, the other end of the square tongue reset spring is connected with the driving block, and the square tongue locking piece is arranged on the shell and used for locking the driving block;
And the clutch plate is movably arranged on the shell and is respectively connected with the separation plate and the dead bolt locking plate.
2. The push rod escape lock according to claim 1, wherein the square shaft assembly further comprises a spring guide seat, a square shaft return spring and a positioning spring positioning piece, the spring guide seat is connected with the upper dial wheel and the lower dial wheel, one end of the square shaft return spring is connected with the spring guide seat, the other end of the square shaft return spring is connected with the positioning spring positioning piece, and the positioning spring positioning piece is arranged on the shell.
3. The push rod escape lock according to claim 1, wherein the latch bolt assembly further comprises a latch bolt return spring and a blocking piece, the latch bolt return spring is sleeved on the driving rod, the blocking piece is fixedly sleeved on the driving rod, one end of the latch bolt return spring is connected with the blocking piece, and the blocking piece is connected with the upper dial wheel and the lower dial wheel.
4. The push rod escape lock according to claim 1, wherein the dead bolt assembly further comprises a dead bolt locking spring, the dead bolt locking spring is disposed on the housing, one end of the dead bolt locking spring is connected to the dead bolt locking piece, and the other end of the dead bolt locking spring is connected to the housing.
5. The putter escape lock of claim 1 wherein the driving block is formed with protrusions.
6. The push rod escape lock of claim 5, wherein the dead bolt locking piece is provided with a locking block, and the locking block is provided with a groove adapted to the protrusion.
7. The push rod escape lock according to claim 6, wherein the escape lock further comprises a lock cylinder reset piece and a lock cylinder reset spring, the lock cylinder reset piece is movably arranged below the driving block and movably connected with the housing, the lock cylinder reset spring is arranged on the housing, one end of the lock cylinder reset piece is connected with the lock cylinder reset piece, and the other end of the lock cylinder reset spring is connected with the housing.
8. The push rod escape lock of claim 7, wherein the lock cylinder reset piece is provided with a locking groove, and a locking block of the dead bolt locking piece is inserted into the locking groove.
9. The push rod escape lock according to claim 3, further comprising a driving plate, a connecting plate and a connecting plate return spring, wherein the driving plate is connected with the separating plate, one end of the connecting plate is connected with the driving plate, the other end of the connecting plate is connected with the driving block, the connecting plate return spring is arranged on the driving block, one end of the connecting plate return spring is connected with the driving block, and the other end of the connecting plate return spring is connected with the connecting plate.
10. The escape lock of claim 9 wherein the driving plate is connected to the blocking plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122578991.XU CN216641746U (en) | 2021-10-26 | 2021-10-26 | Push rod escape lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122578991.XU CN216641746U (en) | 2021-10-26 | 2021-10-26 | Push rod escape lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216641746U true CN216641746U (en) | 2022-05-31 |
Family
ID=81730584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122578991.XU Active CN216641746U (en) | 2021-10-26 | 2021-10-26 | Push rod escape lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216641746U (en) |
-
2021
- 2021-10-26 CN CN202122578991.XU patent/CN216641746U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20060032277A1 (en) | Double lock T-handle assembly | |
| CN208686215U (en) | Door handle structure for preventing door from being unlocked through peephole and door lock with door handle structure | |
| US20200023698A1 (en) | Trailer lock structure | |
| CN107339026B (en) | Hidden lock and have its vehicle | |
| CN108086809B (en) | Transmission mechanism of lock body | |
| CN202152570U (en) | Highly-safe coded lock with high safety | |
| CN216641746U (en) | Push rod escape lock | |
| KR200421611Y1 (en) | A door of lockig pin | |
| CN111608493A (en) | Self-ejection lock body with anti-lock mechanism | |
| CN217233127U (en) | Two mortise lock for escape door that open | |
| CN202055628U (en) | Bidirectional brake electronic lock body | |
| CN212295946U (en) | Reversible lock body with square bolt protection | |
| CN214697342U (en) | Whole lock | |
| CN208518458U (en) | A kind of Anti-theft handle that anti-opal is unlocked | |
| CN211301501U (en) | Stop gear and analgesia pump | |
| CN210343026U (en) | Windproof self-locking mechanical door stopper | |
| CN216974434U (en) | Door lock | |
| CN216690638U (en) | Door handle with locking function | |
| CN209958930U (en) | Door lock capable of preventing door peephole from being unlocked | |
| CN111502415A (en) | Reversible lock body with square bolt protection | |
| US20020194887A1 (en) | Structure of a latch bolt | |
| CN212078944U (en) | Lock reverse locking mechanism and lock thereof | |
| JP2004339704A (en) | Door lock | |
| CN217353882U (en) | Push-pull door handle | |
| CN209837912U (en) | Novel theftproof handle subassembly of indoor lock |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |