CN209837903U - Door handle structure capable of improving safety - Google Patents
Door handle structure capable of improving safety Download PDFInfo
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- CN209837903U CN209837903U CN201920313750.2U CN201920313750U CN209837903U CN 209837903 U CN209837903 U CN 209837903U CN 201920313750 U CN201920313750 U CN 201920313750U CN 209837903 U CN209837903 U CN 209837903U
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Abstract
The utility model discloses a can improve door handle structure of security, it relates to intelligent lock field, aims at solving present intelligent lock and exists because neglecting and not locking, and then causes the problem of potential safety hazard. The technical scheme is that the anti-cat eye linkage device comprises an inner panel, wherein a handle, an anti-cat eye assembly, a reversing shaft sleeve and a square shaft sleeve are arranged on the inner panel, the handle is connected with the reversing shaft sleeve and cannot rotate relatively, and the anti-cat eye assembly is used for linking the handle and the square shaft sleeve; the safety linkage assembly is arranged between the reversing shaft sleeve and the square shaft sleeve, under the condition that the handle and the square shaft sleeve are not linked, when the handle rotates along the door opening direction, the reversing shaft sleeve cannot drive the square shaft sleeve to rotate, and when the handle rotates along the locking direction, the reversing shaft sleeve can drive the square shaft sleeve to rotate. The utility model discloses effectively prevent that special tool from opening the door through the cat eye, improve the theftproof effect, rotate simultaneously and need not to press the safety button and can realize locking the function when locking the handle, can avoid causing the hidden danger of not locking because of the negligence, improve the security.
Description
Technical Field
The utility model relates to an intelligence lock field, more specifically says, it relates to a can improve door handle structure of security.
Background
The intelligent door lock is an improved lock which is different from the traditional mechanical lock and is more intelligent, simple and convenient in the aspects of user safety, identification and manageability.
The current chinese patent with the grant bulletin number CN206722552U discloses a prevent door handle that cat eye steals, it includes the mounting bracket, reset assembly and separation and reunion spare, the mounting bracket is fixed on the door plant, reset assembly and mounting bracket are connected, the separation and reunion spare includes the hub connection portion of being connected with the mounting bracket and the linkage portion of being connected with the hasp subassembly, still including preventing the cat from stealing the subassembly, prevent that the cat from stealing the subassembly and pass interior handle in proper order, the mounting bracket, behind reset assembly and the installation department, business turn over linkage portion is with linkage interior handle and hasp subassembly, prevent that the cat from stealing the subassembly and include the key-press cap, spring and square steel.
The intelligent door locks on the market are double-quick lock bodies, and the door can be opened by pressing down a handle by one key and locked by reversely lifting the handle. However, the door handle for preventing the door handle from being stolen by the cat eye still needs to press the key cap when the door handle is lifted up, if the door handle is idle if the door handle is not pressed down, the user thinks that the door handle is locked if the user forgets to press the key cap when using the door handle, but the door handle is not actually locked, and the door handle has potential safety hazards.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a can improve door handle structure of security, it has the advantage that can improve the security.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a door handle structure capable of improving safety comprises an inner panel, wherein a handle, a cat eye prevention assembly, a reversing shaft sleeve and a square shaft sleeve are arranged on the inner panel, the handle and the reversing shaft sleeve are connected and cannot rotate relatively, and the cat eye prevention assembly is used for linking the handle and the square shaft sleeve; the safety linkage assembly is arranged between the reversing shaft sleeve and the square shaft sleeve, under the condition that the handle and the square shaft sleeve are not linked, when the handle rotates along the door opening direction, the reversing shaft sleeve cannot drive the square shaft sleeve to rotate, and when the handle rotates along the locking direction, the reversing shaft sleeve can drive the square shaft sleeve to rotate.
Furthermore, the safety linkage assembly comprises an arc groove formed in the reversing shaft sleeve and a safety bump arranged on the square shaft sleeve, and the safety bump is embedded in the arc groove.
Further, prevent cat eye subassembly including being located safety button in the handle, with square steel and the cover that safety button is connected are established first spring on the square steel, square shaft sleeve tip seted up with square steel complex linkage groove.
Furthermore, be provided with in the middle of the switching-over axle sleeve with square steel complex jack of stepping down, the jack of stepping down is located between safety button and the square axle sleeve.
Further, the handle comprises a handle sleeve and a handle cross rod, a plurality of limiting clamping plates are arranged on the inner side wall of the handle sleeve, and limiting clamping grooves matched with the limiting clamping plates are formed in the outer side wall of the reversing shaft sleeve.
Furthermore, the safety button is provided with a limiting sliding plate for preventing the safety button from being separated from the safety button, and the limiting sliding plate is located between the adjacent limiting clamping plates.
Furthermore, a cylindrical boss is arranged on the inner panel, a reversing sleeve disc is sleeved on the cylindrical boss, and a reversing torsion spring connected with the reversing shaft sleeve is arranged on the reversing sleeve disc;
the inner wall of the inner panel is provided with an adjustable positioning assembly, and a plurality of positioning grooves matched with the positioning assembly are uniformly distributed on the reversing sleeve disc;
an inner lining plate is arranged on the inner panel, and an adjusting hole opposite to the positioning component is formed in the inner lining plate.
Furthermore, the positioning assembly comprises a positioning slide block and a positioning slide seat connected with the inner panel, the positioning slide seat comprises two positioning side plates for clamping the positioning slide block therein, the positioning side plates are provided with bolt seats, and positioning bolts in contact with the end faces of the positioning slide blocks are screwed on the bolt seats;
the positioning slide block is embedded with a second spring abutted to the positioning slide seat, and under the limiting action of the positioning side plate and the positioning bolt, the positioning slide block can only move relative to the positioning slide seat along the axis direction of the second spring.
Furthermore, the door handle structure still includes the outer panel, be provided with the lock core subassembly in the outer panel, be provided with in the outer panel and be used for bearing the safety protection board of lock core subassembly.
Further, the safety guard plate is made of cold-rolled steel and is subjected to carburization and heat treatment.
To sum up, the utility model discloses following beneficial effect has:
1. the cat eye prevention assembly is adopted, so that a special tool can be effectively prevented from opening the door through the cat eye, and the anti-theft effect and safety are improved;
2. by adopting the safety linkage assembly, the locking function can be realized without pressing a safety button when the handle is rotated to be locked, the hidden danger of unlocking caused by negligence can be avoided, and the safety is improved;
3. by adopting the positioning assembly and the adjusting hole, the reversing of the handle can be realized without disassembling any part, and the packaging space is saved.
Drawings
FIG. 1 is a first schematic structural diagram of a door handle structure capable of improving safety in an embodiment;
FIG. 2 is a first exploded view of a door handle structure with improved safety in an embodiment;
FIG. 3 is a sectional view showing a door handle structure capable of improving safety in the embodiment;
FIG. 4 is a schematic structural diagram of a handle, a safety button and a reversing shaft sleeve in the embodiment;
FIG. 5 is a schematic structural diagram of a reversing shaft sleeve and a square shaft sleeve in the embodiment;
FIG. 6 is a sectional view of the reversing bearing bush and the square bearing bush in the embodiment;
FIG. 7 is a partial schematic view of a door handle structure capable of improving safety in the first embodiment;
FIG. 8 is a schematic structural diagram of a reversing sleeve disc, a reversing torsion spring and a reversing shaft sleeve in the embodiment;
FIG. 9 is a schematic structural diagram of a reversing sleeve disk and a positioning slider in the embodiment;
FIG. 10 is a schematic structural diagram of a positioning slider and a positioning slider according to an embodiment;
FIG. 11 is a second partial schematic view of a door handle structure capable of improving safety in the embodiment;
FIG. 12 is a second schematic structural view of a door handle structure capable of improving safety in the embodiment;
fig. 13 is an exploded view of a door handle structure capable of improving safety in the second embodiment.
In the figure: 1. an inner panel; 11. positioning the plug board; 12. a cylindrical boss; 13. an inner liner plate; 131. an adjustment hole; 2. a handle sleeve; 21. a handle bar; 22. a safety button; 221. a limiting sliding plate; 222. a first spring; 23. a limiting clamping plate; 24. square steel; 3. a reversing shaft sleeve; 31. a yielding jack; 32. a limiting clamping groove; 33. an arc groove; 34. a second clamping plate; 4. a square shaft sleeve; 41. positioning a torsion spring; 411. a first support bar; 42. a linkage groove; 43. a first support plate; 44. a safety bump; 5. positioning a plate; 51. positioning the slot; 52. a second support plate; 6. a reversing sleeve disc; 61. a reversing torsion spring; 611. a second support bar; 62. a first clamping plate; 63. positioning the convex ring; 64. positioning a groove; 71. positioning the sliding block; 711. accommodating grooves; 712. an adjusting plate; 72. a positioning slide seat; 721. positioning the side plate; 722. limiting the sink groove; 723. a bolt seat; 724. positioning the bolt; 73. a second spring; 8. an outer panel; 81. a plug assembly; 9. and (4) protecting the safety plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Example (b):
a door handle structure capable of improving safety is disclosed, referring to fig. 1 and 2, and comprises an inner panel 1, wherein a handle, a cat eye prevention assembly, a reversing shaft sleeve 3, a square shaft sleeve 4 and a positioning plate 5 are arranged on the inner panel 1; the positioning plate 5 is connected with the inner panel 1 through bolts (not shown in the drawing), two positioning insertion plates 11 are symmetrically arranged on the inner panel 1, and positioning slots 51 matched with the positioning insertion plates 11 in a clamping and embedding manner are formed in the positioning plate 5, so that the stability of the positioning plate 5 can be improved.
Referring to fig. 2 and 3, a positioning torsion spring 41 is arranged between the square shaft sleeve 4 and the positioning plate 5; a first support plate 43 is arranged on the square shaft sleeve 4, a second support plate 52 opposite to the first support plate 43 is arranged on the positioning plate 5 in a bending mode, and the second support plate 52 is positioned above the first support plate 43 in the embodiment; the positioning torsion spring 41 is sleeved on the square shaft sleeve 4, and two first support rods 411 which clamp the first support plate 43 and the second support plate 52 are formed at the free end of the positioning torsion spring, so that the reset rotation of the square shaft sleeve 4 is realized.
Referring to fig. 1 to 3, the handle includes a handle sleeve 2 and a handle cross bar 21, the reversing shaft sleeve 3 penetrates through the inner panel 1 and then is embedded in the handle sleeve 2, and a bolt (not shown in the drawings) abutting against the reversing shaft sleeve 3 is screwed on the handle sleeve 2, so that the handle sleeve 2 and the reversing shaft sleeve 3 can be prevented from rotating relatively, that is, the handle sleeve and the reversing shaft sleeve can be linked; the cat eye prevention assembly comprises a safety button 22 positioned in the handle sleeve 2, square steel 24 connected with the safety button 22 and a first spring 222 sleeved on the square steel 24; the middle of the reversing shaft sleeve 3 is provided with an abdicating jack 31 matched with the square steel 24, the abdicating jack 31 is positioned between the safety button 22 and the square shaft sleeve 4, and the end part of the square shaft sleeve 4 is provided with a linkage groove 42 matched with the square steel 24; under the elastic action of the first spring 222, the end part of the square steel 24 is embedded in the abdicating jack 31 but not embedded in the linkage groove 42, the safety button 22 is pressed, and the square steel 24 can penetrate through the abdicating jack 31 and be embedded in the linkage groove 42, so that the linkage of the handle and the square shaft sleeve 4 is realized; the arrangement of the abdicating jack 31 can improve the stability of the square steel 24 and play a role in guiding; one end of the first spring 222 abuts against the end face of the reversing shaft sleeve 3, the other end abuts against the end face of the safety button 22, and under the elastic action of the first spring 222, the safety button 22 protrudes out of the handle sleeve 2.
Referring to fig. 4, two limiting clamping plates 23 are symmetrically arranged on the inner side wall of the handle sleeve 2, a limiting clamping groove 32 matched with the limiting clamping plates 23 is formed in the outer side wall of the reversing shaft sleeve 3, and the stability of linkage of the handle sleeve 2 and the reversing shaft sleeve 3 can be improved due to the matching of the limiting clamping plates 23 and the limiting clamping groove 32; the safety button 22 is symmetrically provided with two limiting sliding plates 221, the limiting sliding plates 221 are abutted against the inner end face of the handle sleeve 2, and the safety button 22 can be prevented from being separated from the handle sleeve 2; in this embodiment, the limiting sliding plate 221 is embedded in the slot formed between the two limiting clamping plates 23, so that the stability of the safety button 22 can be further improved.
Referring to fig. 3, 5 and 6, a safety linkage assembly is arranged between the reversing shaft sleeve 3 and the square shaft sleeve 4, the safety linkage assembly comprises an arc groove 33 arranged on the end surface of the reversing shaft sleeve 3 and a safety bump 44 arranged on the square shaft sleeve 4, and the safety bump 44 is embedded in the arc groove 33; under the condition that the handle and the square shaft sleeve 4 are not linked, when the handle rotates along the door opening direction (a direction), the inner end surface of the arc groove 33 is not contacted with the safety bump 44, the reversing shaft sleeve 3 cannot drive the square shaft sleeve 4 to rotate, when the handle rotates along the locking direction (b direction), the inner end surface of the arc groove 33 is contacted with the safety bump 44, and the reversing shaft sleeve 3 can drive the square shaft sleeve to rotate.
Referring to fig. 3, 7 and 8, the inner panel 1 is provided with a cylindrical boss 12, the cylindrical boss 12 is sleeved with a reversing sleeve disk 6, and the reversing sleeve disk 6 is provided with a reversing torsion spring 61 connected with the reversing shaft sleeve 3; the pressing and rebounding of the handle are realized through the reversing torsion spring 61; the reversing sleeve disk 6 is provided with a positioning convex ring 63 and two first clamping plates 62 which are symmetrically arranged at two sides of the positioning convex ring 63; the reversing torsion spring 61 is sleeved on the positioning convex ring 63, and two second support rods 611 which are respectively abutted with the first clamping plate 62 are arranged on the reversing torsion spring; the reversing shaft sleeve 3 is symmetrically provided with two second clamping plates 34 which are respectively abutted with the second support rod 611; in this embodiment, the two second supporting rods 611 of the reversing torsion spring 61 are disposed in parallel, and the first engaging plate 62 and the second engaging plate 34 are located on the same side of the two second supporting rods 611.
Referring to fig. 7, a positioning assembly is disposed on the inner wall of the inner panel 1, and a plurality of positioning grooves 64 matched with the positioning assembly are uniformly distributed on the reversing sleeve disk 6, and the positioning assembly includes a positioning slider 71 and a positioning slide 72 connected with the inner panel 1.
Referring to fig. 9 and 10, the positioning slide 72 includes two positioning side plates 721 for clamping the positioning slide 71 therebetween, the positioning side plates 721 are provided with bolt seats 723, and the bolt seats 723 are rotatably provided with positioning bolts 724 contacting end faces of the positioning slide 71; an accommodating groove 711 (refer to fig. 3) is formed in the positioning slider 71, a second spring 73 abutted against the positioning sliding seat 72 is embedded in the accommodating groove 711, a limiting sinking groove 722 matched with the second spring 73 is formed in the positioning sliding seat 72, and the stability of the second spring 73 can be ensured by matching the accommodating groove 711 with the limiting sinking groove 722; under the limiting action of the positioning side plate 721 and the positioning bolt 724, the positioning slider 71 can only move along the axial direction of the second spring 73 relative to the positioning slider 72; four constant head tanks 64 have been seted up along its circumferencial direction equipartition on the switching-over rim plate 6 in this embodiment, then the utility model discloses a door handle structure can freely switch in 0, 90 and 180 positions.
Referring to fig. 9 and 11, an inner lining plate 13 is disposed on the inner panel 1, an adjusting hole 131 opposite to the positioning assembly is formed in the inner lining plate 13, an adjusting plate 712 is vertically disposed on an end surface of the positioning slider 71 opposite to the adjusting hole 131, and the positioning slider 71 can be conveniently moved by the adjusting plate 712.
Referring to fig. 12 and 13, the door handle structure further includes an outer panel 8, a key cylinder assembly 81 is provided in the outer panel 8, and a safety guard 9 for carrying the key cylinder assembly 81 is provided in the outer panel 8; in the embodiment, the material of the safety guard plate 9 is cold-rolled steel, and the safety guard plate is subjected to carburization and heat treatment; the outer panel 8 is installed in the outside of door, and safety protection plate 9 is arranged in between outer panel 8 and lock core subassembly 81, then safety protection plate 9 can prevent that other people from beating the outer panel 8 through the electric drill from the door outside, and then control lock core subassembly 81 and realize opening the door.
The working principle is as follows:
under normal conditions, under the elastic action of first spring 222, the square steel 24 tip inlays in the jack of stepping down 31, but does not imbed in the linkage groove 42, presses safety button 22, and square steel 24 can pass the jack of stepping down 31 and imbed in the linkage groove 42 to realize the linkage of handle and square shaft cover 4, open the door.
Under the condition that square steel 24 is not embedded in linkage groove 42, when the handle is rotatory along the direction of opening the door (a direction), terminal surface and safety lug 44 contactless in arc groove 33, the switching-over axle sleeve 3 can't drive square shaft sleeve 4 rotatory, and when the handle was rotatory along the direction of locking (b direction), terminal surface and safety lug 44 contact in arc groove 33, switching-over axle sleeve 3 can drive square shaft sleeve is rotatory, realizes the function of locking to can improve the security.
The outer panel 8 is installed in the outside of door, and safety protection plate 9 is arranged in between outer panel 8 and lock core subassembly 81, then safety protection plate 9 can prevent that other people from beating the outer panel 8 through the electric drill from the door outside, and then control lock core subassembly 81 and realize opening the door.
In a normal state, the positioning slide block 71 is embedded in one of the positioning grooves 64, and when the direction of the handle cross bar 21 needs to be adjusted, a straight screwdriver or other tools are used for penetrating through the adjusting hole 131, and the positioning slide block 71 slides upwards through the adjusting plate 712 to be separated from the positioning groove 64; then, the handle cross bar 21 can be rotated, the reversing sleeve disc 6 is driven to rotate through the reversing torsion spring 61, when the handle cross bar rotates to the next position, the positioning slide block 71 is automatically clamped into the positioning groove 64 under the elastic action of the second spring 73, the reversing action is completed, convenience and rapidness are achieved, and any part does not need to be detached.
The utility model discloses a door handle structure can freely switch in 0 °, 90 and 180 positions, can place the handle in 90 positions when the packing, can save the packing space, can switch to the position of 0 (left side opening the door) or 180 (right side opening the door) as required when the user uses.
Claims (10)
1. A door handle structure capable of improving safety comprises an inner panel (1), wherein a handle, a cat eye prevention component, a reversing shaft sleeve (3) and a square shaft sleeve (4) are arranged on the inner panel (1), the handle and the reversing shaft sleeve (3) are connected and cannot rotate relatively, the cat eye prevention component is used for linking the handle and the square shaft sleeve (4), and the door handle structure is characterized in that:
be provided with the safety linkage subassembly between switching-over axle sleeve (3) and square shaft sleeve (4), under the condition of handle and square shaft sleeve (4) linkage not, when the handle was rotatory along the direction of opening the door, switching-over axle sleeve (3) can't drive square shaft sleeve (4) are rotatory, when the handle was rotatory along the direction of locking, switching-over axle sleeve (3) can drive square shaft sleeve (4) are rotatory.
2. The door handle structure capable of improving safety according to claim 1, characterized in that: the safety linkage assembly comprises an arc groove (33) formed in the reversing shaft sleeve (3) and a safety bump (44) arranged on the square shaft sleeve (4), and the safety bump (44) is embedded in the arc groove (33).
3. The door handle structure capable of improving safety according to claim 1, characterized in that: prevent cat eye subassembly including being located safety button (22) in the handle, with square steel (24) and the cover that safety button (22) are connected are established first spring (222) on square steel (24), square shaft sleeve (4) tip seted up with square steel (24) complex linkage groove (42).
4. The door handle structure capable of improving safety according to claim 3, wherein: be provided with in the middle of the switching-over axle sleeve (3) with square steel (24) complex jack of stepping down (31), jack of stepping down (31) is located between safety button (22) and square axle sleeve (4).
5. The door handle structure capable of improving safety according to claim 3, wherein: the handle includes handle sleeve (2) and handle horizontal pole (21), handle sleeve (2) inside wall is provided with a plurality of spacing cardboard (23), switching-over axle sleeve (3) lateral wall seted up with spacing cardboard (23) complex spacing draw-in groove (32).
6. The door handle structure capable of improving safety according to claim 5, wherein: the safety button (22) is provided with a limiting sliding plate (221) for preventing the safety button from being separated, and the limiting sliding plate (221) is located between the adjacent limiting clamping plates (23).
7. The door handle structure capable of improving safety according to any one of claims 1 to 6, wherein: a cylindrical boss (12) is arranged on the inner panel (1), a reversing sleeve disc (6) is sleeved on the cylindrical boss (12), and a reversing torsion spring (61) connected with the reversing shaft sleeve (3) is arranged on the reversing sleeve disc (6);
the inner wall of the inner panel is provided with an adjustable positioning component, and a plurality of positioning grooves (64) matched with the positioning component are uniformly distributed on the reversing sleeve disc (6);
an inner lining plate (13) is arranged on the inner panel (1), and an adjusting hole (131) opposite to the positioning component is formed in the inner lining plate (13).
8. The door handle structure capable of improving safety according to claim 7, wherein: the positioning assembly comprises a positioning sliding block (71) and a positioning sliding seat (72) connected with the inner panel (1), the positioning sliding seat (72) comprises two positioning side plates (721) clamping the positioning sliding block (71), the positioning side plates (721) are provided with bolt seats (723), and positioning bolts (724) in contact with the end face of the positioning sliding block (71) are screwed on the bolt seats (723);
the positioning sliding block (71) is internally embedded with a second spring (73) abutted to the positioning sliding base (72), and under the limiting action of the positioning side plate (721) and the positioning bolt (724), the positioning sliding block (71) can only move relative to the positioning sliding base (72) along the axis direction of the second spring (73).
9. The door handle structure capable of improving safety according to any one of claims 1 to 6, wherein: the door handle structure further comprises an outer panel (8), wherein a lock cylinder assembly (81) is arranged in the outer panel (8), and a safety guard plate (9) used for bearing the lock cylinder assembly (81) is arranged in the outer panel (8).
10. The door handle structure capable of improving safety according to claim 9, wherein: the safety guard plate (9) is made of cold-rolled steel and is subjected to carburization and heat treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920313750.2U CN209837903U (en) | 2019-03-12 | 2019-03-12 | Door handle structure capable of improving safety |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920313750.2U CN209837903U (en) | 2019-03-12 | 2019-03-12 | Door handle structure capable of improving safety |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209837903U true CN209837903U (en) | 2019-12-24 |
Family
ID=68905917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920313750.2U Active CN209837903U (en) | 2019-03-12 | 2019-03-12 | Door handle structure capable of improving safety |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209837903U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109763692A (en) * | 2019-03-12 | 2019-05-17 | 苏州万盛亿五金锁具有限公司 | A kind of door handle structure can be improved safety |
-
2019
- 2019-03-12 CN CN201920313750.2U patent/CN209837903U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109763692A (en) * | 2019-03-12 | 2019-05-17 | 苏州万盛亿五金锁具有限公司 | A kind of door handle structure can be improved safety |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221216 Address after: 247100 No. 9, Wanjiang Road, Jiangnan Emerging Industry Concentration Zone, Chizhou, Anhui Patentee after: Anhui Jiuchi Intelligent Security Technology Co.,Ltd. Address before: No.96 Renmin Road, Huangdai Town, Xiangcheng District, Suzhou City, Jiangsu Province Patentee before: Suzhou Wanshengyi Hardware Lock Co.,Ltd. |
|
| TR01 | Transfer of patent right |