Front decoration device and door lock

Abstract

The front decoration device comprises a support, a face plate, a bottom plate and two decoration parts, the support is provided with a first strip-shaped hole, a first containing groove and a second containing groove, the first containing groove is used for installing a door lock inner key plate, the second containing groove and the first containing groove are arranged in a spaced mode, and the first strip-shaped hole is formed in the middle of the support in a penetrating mode. The first containing groove and the second containing groove are formed in the outer wall of the support. The panel is installed on the support and covers the first containing groove. The panel is provided with a plurality of key marks used for being arranged corresponding to all the keys in the key board. The bottom plate is used for being connected with the door plate, and the bottom plate is installed on the support and covers the second containing groove; the decorating parts are made of plastic materials, second strip-shaped holes are formed in the decorating parts in a penetrating mode, the two decorating parts are installed on the outer walls of the two sides of the support in a back-to-back mode, the two second strip-shaped holes are both communicated with the first strip-shaped hole, and the first strip-shaped hole and the two second strip-shaped holes form an annular opening for human fingers to be inserted in. And a user does not feel cold and stiff when holding the front decoration device by hands.

Description

Technical Field

[0001] The utility model relates to the technical field of door lock structures, in particular to a front decoration device and a door lock. Background Art

[0002] With the continuous improvement of people's social living standards, people have higher and higher requirements for the safety of the environment they live in. Therefore, not only the property security of the community has been strengthened, but also there are more and more safety devices on the market. A typical product is an intelligent door lock.

[0003] However, when opening the door of the existing intelligent door lock, when the hand holds the handle of the door lock, the handle is very cold and rigid, and the experience is very poor; and the assembly screws of some intelligent door locks are all exposed outside and are very easy to be disassembled, resulting in a reduction in the sense of security of the intelligent door lock. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a front decoration device and a door lock to solve the technical problem that when opening the door of the existing intelligent door lock, when the hand holds the handle of the door lock, the handle is very cold and rigid, and the experience is very poor.

[0005] The utility model is implemented as follows:

[0006] The utility model provides a front decoration device, including:

[0007] A bracket having a first strip-shaped hole, a first receiving groove for installing an inner key plate of the door lock, and a second receiving groove spaced from the first receiving groove, the first strip-shaped hole being disposed through the middle of the bracket, and the first receiving groove and the second receiving groove both being disposed on the outer wall of the bracket;

[0008] A panel installed on the bracket and covering the first receiving groove, the panel being provided with a plurality of key markings respectively corresponding to the buttons in the key plate;

[0009] A bottom plate for connecting to the door panel, the bottom plate being installed on the bracket and covering the second receiving groove;

[0010] Two decorative parts, the decorative parts being made of plastic material, the decorative parts being provided with second strip-shaped holes therethrough, the two decorative parts being respectively installed on the outer walls on both sides of the bracket in opposite directions, and the two second strip-shaped holes being both communicated with the first strip-shaped hole, and the first strip-shaped hole and the two second strip-shaped holes form a ring opening for a person's finger to insert.

[0011] Further, the bracket includes a first frame body, a second frame body, and a plurality of first fasteners. The first frame body is provided with the first receiving groove and a plurality of circular first internal thread grooves. The second frame body is provided with the second receiving groove and a plurality of first through holes. The first fasteners pass through the first through holes and are connected to the first internal thread grooves. The first frame body and the second frame body enclose to form the first strip-shaped hole, and the panel is mounted on the first frame body, and the bottom plate is mounted on the second frame body and covers each of the first fasteners.

[0012] Further, the first frame body includes a first support plate, two first inclined plates, two first flat plates, and a plurality of first studs. The first support plate and the first inclined plates are both arc-shaped structures. The two first inclined plates are respectively fixed on the edges on both sides of the first support plate. The two first flat plates are respectively fixed on the edges on the other two sides of the first support plate. The two ends of the first flat plate are respectively connected to the two first inclined plates. The first support plate, the two first inclined plates, and the two first flat plates enclose to form the first receiving groove. The first studs protrude from the first flat plates. The first internal thread grooves penetrate from the end of the first flat plate away from the panel through the first flat plate and are recessed and extended toward the middle of the first studs. The first support plate and the second frame body enclose to form the first strip-shaped hole.

[0013] Further, the second frame body includes a second support plate, two second inclined plates, and two second flat plates. The second support plate and the second inclined plates are both arc-shaped structures. The two second inclined plates are respectively fixed on the edges on both sides of the second support plate. The two second flat plates are respectively fixed on the edges on the other two sides of the second support plate. The two ends of the second flat plate are respectively connected to the two second inclined plates. The second support plate, the two second inclined plates, and the two second flat plates enclose to form the second receiving groove. The first through holes are provided on the second flat plates. The first support plate and the second support plate enclose to form the first strip-shaped hole. The first inclined plates and the second inclined plates enclose to form a guiding channel communicating with the first strip-shaped hole. The inner diameter of the guiding channel gradually increases from the end close to the first support plate to the end far from the first support plate. The decorative member is mounted on the inner wall of the guiding channel.

[0014] Further, the front decoration device further includes a plurality of second fasteners. The first frame body is further provided with a plurality of second through holes. The first frame body further includes a plurality of second studs all protruding from the first inclined plates. The second through holes sequentially penetrate through the first inclined plates and the second studs;

[0015] The panel includes a cover plate and a plurality of third studs that are all convexly provided on the cover plate. The third studs are provided with circular second internal thread grooves. The second fastener passes through the second through hole and is connected to the second internal thread groove. The decorative member covers each of the second fasteners, and the button marks are provided on the cover plate.

[0016] Further, the front decoration device further includes a plurality of third fasteners. The second frame body further includes a plurality of fourth studs that are all convexly provided on the second inclined plate. The fourth studs are provided with circular third internal thread grooves. The bottom plate is provided with a plurality of countersunk holes in a penetrating manner. The third fastener passes through the countersunk holes and is connected to the third internal thread groove.

[0017] Further, the decorative member includes a decorative plate and two hooks that are both convexly provided on one surface of the decorative plate. The bracket is also provided with two hook holes in a penetrating manner. Each end of each hook hole is respectively clamped with one of the hooks, and the second strip-shaped hole is provided on the decorative plate.

[0018] Further, the front decoration device further includes an adhesive member, and the decorative member is mounted on the bracket through the adhesive member.

[0019] Further, the bottom plate is also provided with at least one through hole for a locking member to pass through in a penetrating manner.

[0020] The present utility model also provides a door lock, including the front decoration device as described above.

[0021] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0022] The front decoration device of the present utility model is used to be installed on a door panel. The panel in the front decoration device is provided with a plurality of button marks respectively corresponding to the buttons in the inner key plate of the door lock. By pressing the corresponding button marks, it can be used to control the opening of the door lock. When the door lock is opened, since the decorative members on both sides of the front decoration device are made of plastic material, when a person inserts a finger into the ring opening, when the person grasps the front decoration device, the hand will not feel cold and rigid, enhancing the user experience and facilitating large-scale promotion. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is a schematic structural diagram of the front decoration device provided by an embodiment of the present utility model;

[0024] Figure 2 is Figure 1 an exploded view of;

[0025] Figure 3 is a cross-sectional view of the front decoration device provided by an embodiment of the present utility model;

[0026] Figure 4Structural schematic diagram of the bracket provided by the embodiment of the present utility model;

[0027] Figure 5 is Figure 4 exploded view of;

[0028] Figure 6 Structural schematic diagram of the first frame body provided by the embodiment of the present utility model;

[0029] Figure 7 Structural schematic diagram of the second frame body provided by the embodiment of the present utility model;

[0030] Figure 8 Structural schematic diagram of the panel provided by the embodiment of the present utility model;

[0031] Figure 9 Structural schematic diagram of the decorative member provided by the embodiment of the present utility model.

[0032] In the figure:

[0033] 10, bracket; 11, first strip-shaped hole; 12, first receiving groove; 13, second receiving groove; 14, first frame body; 141, first internal thread groove; 142, first support plate; 143, first inclined plate; 144, first flat plate; 145, first stud; 146, second through hole; 147, second stud; 15, second frame body; 151, first through hole; 152, second support plate; 153, second inclined plate; 154, second flat plate; 155, fourth stud; 1551, third internal thread groove; 16, first fastener; 17, guiding channel; 18, card hole; 19, limiting groove; 20, panel; 21, key mark; 22, cover plate; 23, third stud; 231, second internal thread groove; 30, bottom plate; 31, counterbore; 40, decorative member; 41, second strip-shaped hole; 42, decorative plate; 43, hook; 44, limiting block; 50, annular opening; 60, second fastener; 70, third fastener; 80, adhesive. Specific embodiments

[0034] Next, in combination with the accompanying drawings and specific embodiments, the present utility model will be further described. It should be noted that, on the premise of no conflict, the following described embodiments or technical features can be arbitrarily combined with each other to form new embodiments.

[0035] Please refer to Figures 1 to 7 As shown, the embodiment of the present utility model discloses a front decoration device, which is mainly applied to fully automatic or semi-automatic intelligent door locks, and the front decoration device can be fixed on the door panel.

[0036] The front trim device includes a bracket 10, a panel 20, a bottom plate 30 and two decorative parts 40. The bracket 10 is a long strip structure. The bracket 10 has a first strip-shaped hole 11, a first receiving groove 12 and a second receiving groove 13. The first strip-shaped hole 11, the first receiving groove 12 and the second receiving groove 13 are all spaced apart from each other. The first strip-shaped hole 11 is disposed through the middle position of the bracket 10 along the thickness direction of the bracket 10. The first receiving groove 12 and the second receiving groove 13 are both disposed on the outer wall of the bracket 10. The first receiving groove 12 and the second receiving groove 13 are disposed on both sides of the bracket 10 back to back. The first receiving groove 12 and the second receiving groove 13 are disposed around the first strip-shaped hole 11. The first receiving groove 12 can be used to install the inner key plate of the door lock. The panel 20 is installed on the bracket 10 and covers the first receiving groove 12. The panel 20 is provided with a plurality of button marks 21 respectively corresponding to the buttons in the key plate, so that the user can press the button marks 21 on the outside to control the opening of the door lock through the key plate. The bottom plate 30 is used to connect with the door panel. The bottom plate 30 is installed on the bracket 10 and covers the second receiving groove 13.

[0037] The decorative part 40 is made of plastic material. The decorative part 40 is provided with a second strip-shaped hole 41. The two decorative parts 40 are respectively installed on the outer walls on both sides of the bracket 10 back to back. The two second strip-shaped holes 41 are both communicated with the first strip-shaped hole 11. The first strip-shaped hole 11 and the two second strip-shaped holes 41 form a ring opening 50 for a person's finger to insert. When opening and closing the door, the plastic decorative part 40 is contacted first. The two decorative parts 40 wrap the bracket 10 at the hand-held part. When the person holds the front trim device through the ring opening 50, they will not feel cold and rigid, but feel the warmth of home, realizing a warm and comfortable feeling when holding the door lock, enhancing the user experience, and facilitating large-scale promotion.

[0038] In some embodiments, the bracket 10 is made of aluminum alloy material and is a die-cast part. The panel 20 is made of semi-transparent plastic and resin materials. The bottom plate 30 is made of plastic material, so that the front trim device feels soft and comfortable to hold, without cold and rigid feelings, and is wear-resistant and does not rust. The front trim device can be equivalent to replacing the handle in the traditional door lock.

[0039] In this embodiment, the bracket 10 includes a first frame body 14, a second frame body 15, and a plurality of first fasteners 16. The first frame body 14 is provided with a first receiving groove 12 and a plurality of circular first internal thread grooves 141. The second frame body 15 is provided with a second receiving groove 13 and a plurality of first through holes 151. The first fasteners 16 pass through the first through holes 151 and are connected to the first internal thread grooves 141, thereby fixing the first frame body 14 and the second frame body 15 together. The number of the first fasteners 16, the first through holes 151, and the first internal thread grooves 141 is four. The first frame body 14 and the second frame body 15 enclose to form the first strip-shaped hole 11. The panel 20 is installed on the first frame body 14, and the bottom plate 30 is installed on the second frame body 15 and covers each first fastener 16 to prevent the assembled first fasteners 16 from being exposed outside and being disassembled, enhancing the sense of security of the door lock. The first fasteners 16 are 4x10 cross recessed pan head screws with washers made of PM material.

[0040] The first frame body 14 includes a first support plate 142, two first inclined plates 143, two first flat plates 144, and a plurality of first studs 145. The first support plate 142 and the first inclined plates 143 are both arc-shaped structures. The two first inclined plates 143 are respectively fixed to the edges on both sides of the first support plate 142. The two first flat plates 144 are respectively fixed to the edges on the other two sides of the first support plate 142. The two ends of the first flat plate 144 are respectively connected to the two first inclined plates 143. The first support plate 142, the two first inclined plates 143, and the two first flat plates 144 enclose to form the first receiving groove 12. The first studs 145 protrude from the first flat plates 144, and the first studs 145 are located in the first receiving groove 12. The first internal thread grooves 141 penetrate from the end of the first flat plate 144 away from the panel 20 through the first flat plate 144 and recessedly extend towards the middle of the first studs 145 to prevent the first frame body 14 from bursting during the locking process of the first fasteners 16. The first support plate 142 and the second frame body 15 enclose to form the first strip-shaped hole 11.

[0041] The second body 15 includes a second support plate 152, two second inclined plates 153 and two second flat plates 154. The second support plate 152 and the second inclined plates 153 are both arc-shaped structures. The two second inclined plates 153 are respectively fixed on the edges on both sides of the second support plate 152, and the two second flat plates 154 are respectively fixed on the edges on the other two sides of the second support plate 152. The two ends of the second flat plate 154 are respectively connected to the two second inclined plates 153. The second support plate 152, the two second inclined plates 153 and the two second flat plates 154 enclose to form the second receiving groove 13. The first through hole 151 is provided on the second flat plate 154. The first support plate 142 and the second support plate 152 enclose to form the first strip-shaped hole 11. The first inclined plate 143 and the second inclined plate 153 enclose to form a guiding channel 17 communicating with the first strip-shaped hole 11. The inner diameters of the guiding channel 17 and the second strip-shaped hole 41 both gradually increase from the end close to the first support plate 142 to the end far from the first support plate 142. The shape of the decorative member 40 matches the shape of the inner wall of the guiding channel 17, and the decorative member 40 is installed on the inner wall of the guiding channel 17.

[0042] Please refer further to Figures 2 to 9 In this embodiment, the front decoration device further includes a plurality of second fasteners 60. The first body 14 is further provided with a plurality of second through holes 146 penetrating therethrough. The first body 14 further includes a plurality of second studs 147 all protruding from the first inclined plate 143. The plurality of second studs 147 are all located in the first receiving groove 12. The second through holes 146 penetrate through the first inclined plate 143 and the second studs 147 in sequence from the end of the first inclined plate 143 away from the panel 20. The panel 20 includes a cover plate 22 and a plurality of third studs 23 all protruding from the cover plate 22. The third studs 23 are provided with circular second internal thread grooves 231. The second studs 147 are abutted against the third studs 23. The second fasteners 60 pass through the second through holes 146 and are connected to the second internal thread grooves 231, thereby fixing the panel 20 to the first body 14. The number of the second fasteners 60, the second through holes 146 and the second internal thread grooves 231 is twelve. The decorative member 40 covers each of the second fasteners 60 to prevent the assembled second fasteners 60 from being exposed outside and being disassembled, further enhancing the sense of security of the door lock. The button mark 21 is provided on the cover plate 22. The second fasteners 60 are 2.6x5 cross-recessed pan head self-tapping screws made of PB material.

[0043] The front trim device further includes a plurality of third fasteners 70. The second frame body 15 further includes a plurality of fourth studs 155 that are all convexly provided on the second inclined plate 153. The fourth studs 155 are located in the second receiving groove 13. The fourth studs 155 are provided with circular third internal threaded grooves 1551. The bottom plate 30 is provided with a plurality of countersunk holes 31 therethrough. After the third fasteners 70 pass through the countersunk holes 31, they are connected to the third internal threaded grooves 1551, so as to mount the bottom plate 30 on the second frame body 15. The number of the third fasteners 70, the countersunk holes 31, and the third internal threaded grooves 1551 is ten. And since the bottom plate 30 is used to abut against the door panel, the door panel will block each of the third fasteners 70, effectively preventing the assembled third fasteners 70 from being exposed outside and being disassembled. The third fasteners 70 are 3x5 screws made of PM material.

[0044] In this embodiment, the decorative member 40 includes a decorative plate 42 and two hooks 43. The two hooks 43 are both convexly provided on one side of the decorative plate 42. The bracket 10 is also provided with two clamping holes 18 therethrough. One hook 43 is clamped at each end of each clamping hole 18 to prevent the decorative member 40 from moving during the installation process. The decorative member 40 covers each fastener, and the front trim device appears as a whole in appearance, increasing the aesthetic feeling. At the same time, it prevents users from randomly disassembling the fasteners and damaging the front trim device product, avoiding potential safety hazards. The second strip-shaped hole 41 is provided on the decorative plate 42, and the clamping holes 18 are formed by the first frame body 14 and the second frame body 15 together.

[0045] In some embodiments, the decorative member 40 further includes a plurality of "T"-shaped limiting blocks 44. The plurality of limiting blocks 44 are all located between the two hooks 43. The bracket 10 is also provided with a plurality of limiting grooves 19. Each limiting block 44 is respectively located in each limiting groove 19 to further prevent the decorative member 40 from moving during the installation process.

[0046] The front trim device further includes an adhesive member 80. The decorative member 40 is mounted on the bracket 10 through the adhesive member 80 to fix the decorative member 40 on the bracket 10. The adhesive member 80 is a back glue. During specific installation, the back glue can be adhesively bonded to one side of the decorative member 40 in advance, and then the release paper on the back glue is torn off. Finally, the decorative member 40 is adhesively bonded to the bracket 10 through the back glue, and pressure needs to be maintained after bonding.

[0047] In some embodiments, the bottom plate 30 is further provided with at least one through hole for a locking member to pass through, so as to facilitate fixing the front trim device on the door panel. Of course, the bottom plate 30 can also be fixed on the door panel in other ways.

[0048] The present utility model also discloses a door lock, which includes a lock case, a motor, a battery, a main control board, a key board, a lock tongue, a transmission member, at least one locking member, and the front trim device as described above. The door panel is provided with an embedding groove and at least one positioning hole. The embedding groove is arranged on the side surface of the door panel, and the positioning hole penetrates from the inner wall of the embedding groove to the outer wall of the door panel along the thickness direction of the door panel. The lock case is fixed in the embedding groove. The motor, the battery, the main control board, the lock tongue, and the transmission member are all installed on the lock case. The motor is connected to the lock tongue through the transmission member to drive the lock tongue to extend or retract. The front trim device is located on the outer side surface of the door panel. One end of the locking member is connected to the front trim device, and the other end passes through the positioning hole and is connected to the lock case, thereby installing the front trim device on the door panel. The key board is located in the first receiving groove 12 of the front trim device. The motor, the battery, and the key board are all electrically connected to the main control board. By pressing each key mark 21, the corresponding button can be driven, and information is transmitted to the main control board through the key board to drive the door lock to act. The locking member can be a "T"-shaped guide post with a threaded hole, and the transmission member can be designed according to needs.

[0049] The assembling method of the front trim device includes the following steps:

[0050] Step S101: Assemble the bracket 10. Use a plurality of first fasteners 16 to respectively pass through the corresponding first through holes 151 in the second frame body 15 and connect with the first internal thread grooves 141 in the first frame body 14, thereby fixing the first frame body 14 on the second frame body 15;

[0051] Step S102: Assemble the panel 20. Use a plurality of second fasteners 60 to respectively pass through the corresponding second through holes 146 in the first frame body 14 in step S101 and connect with the second internal thread grooves 231 of the panel 20, thereby fixing the panel 20 on the bracket 10. In this step, if necessary, the key board can be installed in the first receiving groove 12 of the bracket 10 in advance;

[0052] Step S103: Assemble the locking members. Pass each locking member through each through hole in the bottom plate 30 respectively;

[0053] Step S104: Assemble the bottom plate 30. Use a plurality of third fasteners 70 to respectively pass through the corresponding countersunk holes 31 in the bottom plate 30 in step S103 and connect with the third internal thread grooves 1551 in step S102, thereby installing the bottom plate 30 on the bracket 10.

[0054] Step S105: Assemble the decorative members 40. Install the two decorative members 40 on the outer walls on both sides of the bracket 10 in step S104 respectively through the adhesive members 80 in a back-to-back manner, and keep pressing the two decorative members 40 to complete the assembly.

[0055] In summary, the front trim device of the present utility model is used to be installed on the door panel. The middle panel 20 of the front trim device is provided with a plurality of key markings 21 each corresponding to a button in the inner key plate of the door lock. Pressing the corresponding key marking 21 can be used to control the opening of the door lock. After the door lock is opened, since the decorative parts 40 on both sides of the front trim device are made of plastic material, when a person inserts a finger into the ring opening 50, the person's hand will not feel cold or rigid when grasping the front trim device, enhancing the user experience and facilitating wide promotion.

[0056] The above embodiments are only the preferred embodiments of the present utility model and cannot be used to limit the scope of protection of the present utility model. Any non-substantive changes and substitutions made by those skilled in the art on the basis of the present utility model fall within the scope of protection required by the present utility model.

Claims

1. A front trim device, characterized in that, Comprising: A bracket having a first elongated hole, a first receiving groove for mounting an inner key plate of a door lock, and a second receiving groove spaced apart from the first receiving groove. The first elongated hole is disposed through the middle of the bracket, and the first receiving groove and the second receiving groove are both disposed on the outer wall of the bracket; A panel mounted on the bracket and covering the first receiving groove. The panel is provided with a plurality of key markings respectively corresponding to the respective buttons in the key plate; A bottom plate for connecting to a door panel. The bottom plate is mounted on the bracket and covers the second receiving groove; Two decorative members made of plastic material. The decorative members are provided with second elongated holes therethrough. The two decorative members are respectively mounted on the outer walls on both sides of the bracket in opposite directions. The two second elongated holes are both communicated with the first elongated hole. The first elongated hole and the two second elongated holes form a ring opening for a person's finger to insert; 2. The front trim device according to claim 1, wherein, The bracket includes a first frame body, a second frame body, and a plurality of first fasteners. The first frame body is provided with the first receiving groove and a plurality of circular first internal thread grooves. The second frame body is provided with the second receiving groove and a plurality of first through holes. The first fasteners pass through the first through holes and are connected to the first internal thread grooves. The first frame body and the second frame body enclose to form the first elongated hole, and the panel is mounted on the first frame body. The bottom plate is mounted on the second frame body and covers each of the first fasteners; 3. The front trim device according to claim 2, characterized in that, The first frame body includes a first support plate, two first inclined plates, two first flat plates, and a plurality of first studs. The first support plate and the first inclined plates are both arc-shaped structures. The two first inclined plates are respectively fixed on the edges on both sides of the first support plate. The two first flat plates are respectively fixed on the edges on the other two sides of the first support plate. The two ends of the first flat plate are respectively connected to the two first inclined plates. The first support plate, the two first inclined plates, and the two first flat plates enclose to form the first receiving groove. The first studs protrude from the first flat plate. The first internal thread groove penetrates from the end of the first flat plate away from the panel and extends concave towards the middle of the first stud. The first support plate and the second frame body enclose to form the first elongated hole.

4. The front trim device according to claim 3, characterized in that, The second frame body includes a second support plate, two second inclined plates, and two second flat plates. The second support plate and the second inclined plates are both arc-shaped structures. The two second inclined plates are respectively fixed on the edges on both sides of the second support plate, and the two second flat plates are respectively fixed on the edges on the other two sides of the second support plate. The two ends of the second flat plate are respectively connected to the two second inclined plates. The second support plate, the two second inclined plates, and the two second flat plates enclose to form the second accommodation groove. The first through hole is arranged on the second flat plate. The first support plate and the second support plate enclose to form the first strip-shaped hole. The first inclined plate and the second inclined plate enclose to form a guiding channel communicating with the first strip-shaped hole. The inner diameter of the guiding channel gradually increases from the end close to the first support plate to the end far from the first support plate. The decorative member is installed on the inner wall of the guiding channel.

5. The front trim device according to claim 3, characterized in that, The front decoration device further includes a plurality of second fasteners. The first frame body is further provided with a plurality of second through holes. The first frame body further includes a plurality of second stud bolts protruding from the first inclined plate. The second through holes sequentially penetrate through the first inclined plate and the second stud bolts. The panel includes a cover plate and a plurality of third stud bolts protruding from the cover plate. The third stud bolts are provided with circular second internal thread grooves. The second fasteners pass through the second through holes and are connected to the second internal thread grooves. The decorative member covers each of the second fasteners. The button mark is arranged on the cover plate.

6. The front trim device according to claim 4, characterized in that, The front decoration device further includes a plurality of third fasteners. The second frame body further includes a plurality of fourth stud bolts protruding from the second inclined plate. The fourth stud bolts are provided with circular third internal thread grooves. The bottom plate is provided with a plurality of countersunk holes. The third fasteners pass through the countersunk holes and are connected to the third internal thread grooves.

7. The front garnish device according to claim 1, characterized in that, The decorative member includes a decorative plate and two hooks protruding from one side of the decorative plate. The bracket is further provided with two hook holes. Each end of each hook hole is respectively clamped with one of the hooks. The first strip-shaped hole is arranged on the decorative plate.

8. The front trim device according to claim 1, characterized in that, The front decoration device further includes an adhesive. The decorative member is installed on the bracket through the adhesive.

9. The front trim device according to claim 1, wherein The bottom plate is further provided with at least one through hole for a locking member to pass through.

10. A door lock, characterized in that, Including the front decoration device according to any one of claims 1-9.

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