CN214740926U - Fireproof door pocket and bealock - Google Patents

Fireproof door pocket and bealock Download PDF

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Publication number
CN214740926U
CN214740926U CN202120442387.1U CN202120442387U CN214740926U CN 214740926 U CN214740926 U CN 214740926U CN 202120442387 U CN202120442387 U CN 202120442387U CN 214740926 U CN214740926 U CN 214740926U
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CN
China
Prior art keywords
decorative
door pocket
door
support plate
pocket support
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Expired - Fee Related
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CN202120442387.1U
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Chinese (zh)
Inventor
张李忠
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Chuzhou Fengyu New Material Technology Co ltd
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Chuzhou Fengyu New Material Technology Co ltd
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Priority to CN202120442387.1U priority Critical patent/CN214740926U/en
Application granted granted Critical
Publication of CN214740926U publication Critical patent/CN214740926U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

A fireproof door pocket and bealock. The door pocket comprises a decorative sleeve, a door pocket support plate, a lining plate and a decorative strip; the door opening is provided with an upper transverse door pocket support plate and left and right vertical door pocket support plates, and the tops of the left and right vertical door pocket support plates are flush with the top surface of the upper transverse door pocket support plate; a lining plate is arranged in the middle of the side surface, close to the wall body, of each door pocket support plate, and an inserting groove opening is formed between each door pocket support plate and the outer side edge of each lining plate; the decorative strip is arranged outside or inside the door opening and is abutted against the wall body, and one side of the decorative strip is provided with an inserting edge which can be inserted into the inserting groove; the decorative cover is tightly attached to the visible surface of the door cover support plate or the visible surfaces of the door cover support plate and the door frame to form a decorative surface. The utility model discloses the effect: the decorative door can be decorated to have the same beautiful effect as a home decoration door and the modern style, and various different materials can be simulated by changing the decorative film mode on the surface of the decorative sleeve, so that the decorative door is very practical, convenient and beautiful. The main body of the decorative sleeve is made of steel plates, so that the decorative sleeve is high in strength and hardness and more durable.

Description

Fireproof door pocket and bealock
Technical Field
The utility model belongs to the technical field of interior decoration, especially, relate to a fire prevention door pocket, bealock.
Background
According to the relevant national standards, the decoration of the indoor public space part is generally required to be fireproof, so that the door at the public position is a fireproof door, and the door pocket of the elevator door is also a fireproof door pocket. But through market research discovery, most prevent fire door do not have the door pocket, because fire door is prevented to ordinary wood system and fire door decorative effect is poor with the steel, does not have the door pocket, when decorating, can only carry out simple processing with the ceramic tile to the door opening, and decorative effect is not good. Although the elevator door is provided with the door pocket, the elevator door only has a few varieties of marble, electrophoretic aluminum alloy and the like, is single, and cannot completely meet the market requirement. Therefore, the market needs new fireproof door pocket with better decorative effect.
Disclosure of Invention
In order to solve the problem, the utility model aims to provide a fire prevention door pocket, bealock.
In order to achieve the purpose, the fireproof door cover provided by the utility model is arranged in the door opening, and the inner or outer side part in the door opening is provided with a door frame arranged on the wall body; the fireproof door pocket comprises a decorative sleeve, a door pocket support plate, a lining plate and a decorative strip; the outer or inner side part in the door opening is provided with a door pocket support plate which is horizontal and vertical left and right, and the top of the door pocket support plate which is vertical left and right is flush with the top surface of the door pocket support plate which is horizontal; a lining plate is arranged in the middle of the side surface, close to the wall body, of each door pocket support plate, and an inserting groove opening is formed between each door pocket support plate and the corresponding outer side edge of each lining plate; the decorative strip comprises a transverse upper piece and a left vertical piece and a right vertical piece, is arranged outside or inside the door opening and is abutted against the wall body, and one side of the decorative strip is provided with an inserting edge which can be inserted into the inserting groove; the decorative cover is tightly attached to the visible surface of the door cover support plate or the visible surfaces of the door cover support plate and the door frame to form a decorative surface.
The door pocket supporting plate and the lining plate are made of fireproof plates including inorganic plates; the main body of the decorative sleeve is made of a steel plate, and a decorative film is adhered to the surface of the main body.
The wall surface near the joint of the left and right vertical door pocket support plates and the upper transverse door pocket support plate is provided with an angle code, and the angle code is connected with the door pocket support plates through screws.
Four corners of the door pocket support plate with the transverse upper surface are respectively provided with a notch, so that the decorative sleeve can penetrate through the notches, and the visual surface of the decorative sleeve is flush with the surfaces of the left and right vertical door pocket support plates.
The left and right vertical decorative strips are vertically and directly communicated, the top of the left and right vertical decorative strips crosses the upper end edge of the door opening and is higher than the upper horizontal decorative strip, and the left and right ends of the upper horizontal decorative strip are propped against the side edges of the left and right vertical decorative strips, so that the modern style decorative effect is formed.
The utility model provides a fire prevention bealock is arranged in a door opening, and comprises a decoration sleeve, a door sleeve support plate, a lining plate and a decoration strip; the door opening is internally provided with a door pocket support plate which is horizontal on the upper surface and two door pocket support plates which are vertical on the left and right, and the tops of the two door pocket support plates which are vertical on the left and right are flush with the top surface of the door pocket support plate which is horizontal on the upper surface; a lining plate is arranged in the middle of the side surface, close to the wall body, of each door pocket support plate, and an inserting groove opening is formed between each door pocket support plate and the corresponding outer side edge of each lining plate; each set of decorative strip comprises a transverse upper piece and a left vertical piece and a right vertical piece, the outer side and the inner side of the door opening are respectively provided with one set, the decorative strip is abutted against the wall body, and one side of the decorative strip is provided with an inserting edge which can be inserted into the inserting groove; the decorative cover clings to the visible surface of the door cover support plate to form a decorative surface.
The door pocket supporting plate and the lining plate are made of fireproof plates including inorganic plates; the main body of the decorative sleeve is made of a steel plate, and a decorative film is adhered to the surface of the main body.
The wall surface near the joint of the left and right vertical door pocket support plates and the upper transverse door pocket support plate is provided with an angle code, and the angle code is connected with the door pocket support plates through screws.
Four corners of the door pocket support plate with the transverse upper surface are respectively provided with a notch, so that the decorative sleeve can penetrate through the notches, and the visual surface of the decorative sleeve is flush with the surfaces of the left and right vertical door pocket support plates.
The left and right vertical decorative strips are vertically and directly communicated, the top of the left and right vertical decorative strips crosses the upper end edge of the door opening and is higher than the upper horizontal decorative strip, and the left and right ends of the upper horizontal decorative strip are propped against the side edges of the left and right vertical decorative strips, so that the modern style decorative effect is formed.
The utility model provides a fire prevention door pocket, bealock have following beneficial effect:
can decorate the effect that is just as beautiful and have modern style with the house ornamentation door to can simulate various different materials through the decorative film mode that changes the trim cover surface, very practical, convenient, pleasing to the eye. The main body of the decorative sleeve is made of steel plates, so that the decorative sleeve is high in strength and hardness and more durable.
Drawings
Fig. 1 is a perspective view of a fire door pocket provided in embodiment 1 of the present invention.
Fig. 2 is a transverse sectional view of the fireproof door pocket provided in embodiment 1 of the present invention when the door frame is not covered.
Fig. 3 is a transverse sectional view of the fireproof door pocket provided in embodiment 1 when covering the door frame.
Figure 4 is the utility model discloses prevent bealock stereogram that fire that embodiment 2 provided.
Figure 5 is the utility model discloses the transverse section of fire prevention bealock that embodiment 2 provided.
Figure 6 is the utility model provides a fire prevention door pocket, bealock top structure enlarger.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Example 1: fireproof door pocket
As shown in fig. 1-3 and fig. 6, the fire-proof door cover provided in this embodiment is disposed in a door opening, and a door frame 2 installed on a wall 1 is disposed at an inner or outer side portion of the door opening; the fireproof door pocket comprises a decorative sleeve 3, a door pocket support plate 4, a lining plate 5 and a decorative strip 6; the outer or inner side part in the door opening is provided with a door pocket support plate 4 which is horizontal and vertical left and right, and the top of the door pocket support plate 4 which is vertical left and right is flush with the top surface of the door pocket support plate 4 which is horizontal; a lining plate 5 is arranged in the middle of the side surface, close to the wall body 1, of each door pocket support plate 4, and an inserting notch 8 is formed between each door pocket support plate 4 and the corresponding outer side edge of each lining plate 5; the decorative strip 6 comprises a transverse upper piece and a left vertical piece and a right vertical piece, is arranged outside or inside the door opening and is abutted against the wall body 1, and one side of the decorative strip is provided with an inserting edge which can be inserted into the inserting groove 8; the decorative cover 3 is closely attached to the visible surface of the door cover support plate 4 or the visible surfaces of the door cover support plate 4 and the door frame 2 to form a decorative surface.
The door pocket support plate 4 and the lining plate 5 adopt fireproof plates including inorganic plates; the main body of the decorative sleeve 3 is made of a steel plate, and a decorative film is adhered to the surface of the main body.
An angle code 7 is arranged on the wall surface at the joint of the left and right vertical door pocket support plates 4 and the upper transverse door pocket support plate 4, and the angle code 7 is connected with the door pocket support plates 4 through screws.
Four corners of the door pocket support plate 4 on the upper transverse side are respectively provided with a notch 9, so that the decorative sleeve 3 can penetrate through the notches 9, and the visual surface of the decorative sleeve 3 is flush with the surfaces of the left and right vertical door pocket support plates 4.
The left and right vertical decorative strips 6 are vertically and directly communicated, the top of the left and right vertical decorative strips crosses the upper end edge of the door opening and is higher than the upper transverse decorative strip 6, and the left and right ends of the upper transverse decorative strip 6 are propped against the side edges of the left and right vertical decorative strips 6, so that the modern style decorative effect is formed.
The installation of the fire door pocket provided by this embodiment will now be explained as follows:
the installation mode of the fireproof door pocket is divided into two modes, the first mode is a mode of utilizing the decorative sleeve 3 to coat the door frame 2 and the door pocket support plate 4 together; the second is a way of only covering the door pocket support plate 4 with the decorative door pocket 3.
The mode of utilizing the decorative cover 3 to cover the door frame 2 and the door cover support plate 4 together is as follows:
1. fixing the lining plate 5 on the back of the door pocket support plate 4 by using screws or screws with glue, and forming an inserting groove opening 8 at the outer edge;
2. assembling the assembled left and right vertical door pocket support plates 4 and lining plates 5 and the upper transverse door pocket support plates 4 and lining plates 5 into a frame, wherein the upper transverse door pocket support plates 4 are abutted against the end parts of the left and right vertical door pocket support plates 4, and the back surfaces of the upper transverse door pocket support plates 4 are flush with the top surfaces of the left and right vertical door pocket support plates 4, so that self-tapping screws penetrate through the left and right vertical door pocket support plates 4 and are connected with the side surfaces of the upper transverse door pocket support plates 4;
3. the side, close to the wall, of the corner of the assembled frame is connected with a corner fastener and a self-tapping screw in a reinforcing way;
4. the assembled frame is pushed into the door opening to be tightly attached to the door frame 2, and self-tapping screws can penetrate through the door frame from one side of the door frame to be connected with the side surface of the door pocket support plate 4; injecting foaming glue between the lining plate 5 and the wall body 1;
5. glue is applied to the visible surfaces of the door pocket support plate 4 and the door frame 2 or double-sided adhesive is attached to the visible surfaces of the door pocket support plate 4 and the door frame 2, and the decorative sleeve 3 is attached to the visible surfaces of the door pocket support plate 4 and the door frame 2 and covers the door pocket support plate 4 and the door frame 2. Firstly, the left and right vertical decorative sleeves 3 are arranged, then the upper horizontal decorative sleeve 3 is arranged, and the upper horizontal decorative sleeve 3 is leaned against the side edges of the left and right vertical decorative sleeves 3;
6. installing decorative strips 6 on the door pocket support plate 4 and the outer side of the door opening, coating foaming adhesive on the back surface of the decorative strips 6, firstly installing left and right vertical decorative strips 6 and then installing upper transverse decorative strips 6, inserting the inserting edges of the decorative strips 6 into an inserting groove opening 8 formed by the door pocket support plate 4 and the lining plate 5, and tightly attaching the other sides of the decorative strips 6 to the indoor or outdoor wall surface of the wall body 1; the left end and the right end of the decorative strip 6 which is horizontal on the upper surface are tightly leaned on the side surfaces of the decorative strips 6 which are vertical on the left and the right, and one side edge on the upper surface is tightly leaned on the wall surface of the door opening;
7. checking and cleaning to finish the whole installation process.
The mode of only covering the door pocket support plate 4 by utilizing the decorative door pocket 3 is as follows:
1. fixing the lining plate 5 on the back of the door pocket support plate 4 by using screws or screws with glue, and forming an inserting groove opening 8 at the outer edge;
2. assembling the assembled left and right vertical door pocket support plates 4 and lining plates 5 and the upper transverse door pocket support plates 4 and lining plates 5 into a frame, wherein the upper transverse door pocket support plates 4 are abutted against the end parts of the left and right vertical door pocket support plates 4, and the back surfaces of the upper transverse door pocket support plates 4 are flush with the top surfaces of the left and right vertical door pocket support plates 4, so that self-tapping screws penetrate through the left and right vertical door pocket support plates 4 and are connected with the side surfaces of the upper transverse door pocket support plates 4;
3. the side, close to the wall, of the corner of the assembled frame is connected with a corner fastener and a self-tapping screw in a reinforcing way;
4. pushing the assembled frame into the door opening to be close to the door frame 2, so that the distance between the frame and the door frame 2 is 1-3 mm; injecting foaming glue between the lining plate 5 and the wall body 1;
5. and (3) gluing or sticking double-sided adhesive to the visible surface of the door pocket support plate 4, sticking the decorative sleeve 3 to the visible surface of the door pocket support plate 4, and coating the door pocket support plate 4. Firstly, the left and right vertical decorative sleeves 3 are arranged, then the upper horizontal decorative sleeve 3 is arranged, and the upper horizontal decorative sleeve 3 is leaned against the side edges of the left and right vertical decorative sleeves 3;
6. installing decorative strips 6 on the door pocket support plate 4 and the outer side of the door opening, coating foaming adhesive on the back surface of the decorative strips 6, firstly installing left and right vertical decorative strips 6 and then installing upper transverse decorative strips 6, inserting the inserting edges of the decorative strips 6 into an inserting groove opening 8 formed by the door pocket support plate 4 and the lining plate 5, and tightly attaching the other sides of the decorative strips 6 to the indoor or outdoor wall surface of the wall body 1; the left end and the right end of the decorative strip 6 which is horizontal on the upper surface are tightly leaned on the side surfaces of the decorative strips 6 which are vertical on the left and the right, and one side edge on the upper surface is tightly leaned on the wall surface of the door opening;
7. checking and cleaning to finish the whole installation process.
Example 2: fire prevention puerto
As shown in fig. 4 to 6, the fire-proof bealock provided in this embodiment is disposed in a door opening, and the fire-proof bealock includes a decorative cover 3, a door cover support plate 4, a lining plate 5, and a decorative strip 6; the door opening is internally provided with a door pocket support plate 4 which is horizontal on the upper surface and two door pocket support plates which are vertical on the left and the right, and the top parts of the two door pocket support plates 4 which are vertical on the left and the right are flush with the top surface of the door pocket support plate 4 which is horizontal on the upper surface; a lining plate 5 is arranged in the middle of the side surface, close to the wall body 1, of each door pocket support plate 4, and an inserting notch 8 is formed between each door pocket support plate 4 and the corresponding outer side edge of each lining plate 5; each set of decorative strip 6 comprises a transverse upper piece and a left vertical piece and a right vertical piece, the outer side and the inner side of the door opening are respectively provided with one set, the decorative strip 6 is abutted against the wall body 1, and one side of the decorative strip is provided with an inserting edge which can be inserted into the inserting groove 8; the decorative cover 3 is tightly attached to the visible surface of the door cover support plate 4 to form a decorative surface.
The door pocket support plate 4 and the lining plate 5 adopt fireproof plates including inorganic plates; the main body of the decorative sleeve 3 is made of a steel plate, and a decorative film is adhered to the surface of the main body.
An angle code 7 is arranged on the wall surface at the joint of the left and right vertical door pocket support plates 4 and the upper transverse door pocket support plate 4, and the angle code 7 is connected with the door pocket support plates 4 through screws.
Four corners of the door pocket support plate 4 on the upper transverse side are respectively provided with a notch 9, so that the decorative sleeve 3 can penetrate through the notches 9, and the visual surface of the decorative sleeve 3 is flush with the surfaces of the left and right vertical door pocket support plates 4.
The left and right vertical decorative strips 6 are vertically and directly communicated, the top of the left and right vertical decorative strips crosses the upper end edge of the door opening and is higher than the upper transverse decorative strip 6, and the left and right ends of the upper transverse decorative strip 6 are propped against the side edges of the left and right vertical decorative strips 6, so that the modern style decorative effect is formed.
Now, the installation mode of the fire-proof bealock provided by this embodiment is explained as follows:
1. fixing the lining plate 5 on the back of the door pocket support plate 4 by screws or screws with glue, and forming inserting notches 8 at the edges of two sides;
2. assembling the assembled left and right vertical door pocket support plates 4 and lining plates 5 and the upper transverse door pocket support plates 4 and lining plates 5 into a frame, wherein the upper transverse door pocket support plates 4 are abutted against the end parts of the left and right vertical door pocket support plates 4, and the back surfaces of the upper transverse door pocket support plates 4 are flush with the top surfaces of the left and right vertical door pocket support plates 4, so that self-tapping screws penetrate through the left and right vertical door pocket support plates 4 and are connected with the side surfaces of the upper transverse door pocket support plates 4;
3. the side, close to the wall, of the corner of the assembled frame is connected with a corner fastener and a self-tapping screw in a reinforcing way;
4. pushing the assembled frame into the door opening, and injecting foaming glue between the lining plate 5 and the wall body 1;
5. and (3) gluing or sticking double-sided adhesive to the visible surface of the door pocket support plate 4, sticking the decorative sleeve 3 to the visible surface of the door pocket support plate 4, and coating the door pocket support plate 4. Firstly, the left and right vertical decorative sleeves 3 are arranged, then the upper horizontal decorative sleeve 3 is arranged, and the upper horizontal decorative sleeve 3 is leaned against the side edges of the left and right vertical decorative sleeves 3;
6. installing decorative strips 6 on the door pocket support plate 4 and the inner side and the outer side of the door opening, coating foaming adhesive on the back surfaces of the decorative strips 6, firstly installing left and right vertical decorative strips 6 and then installing upper transverse decorative strips 6, inserting the inserting edges of the decorative strips 6 into an inserting groove opening 8 formed by the door pocket support plate 4 and the lining plate 5, and tightly attaching the other sides of the decorative strips 6 to the indoor or outdoor wall surface of the wall body 1; the left end and the right end of the decorative strip 6 which is horizontal on the upper surface are tightly leaned on the side surfaces of the decorative strips 6 which are vertical on the left and the right, and one side edge on the upper surface is tightly leaned on the wall surface of the door opening;
7. and checking and cleaning to finish the whole installation.

Claims (10)

1. A fireproof door pocket is arranged in a door opening, and a door frame (2) arranged on a wall body (1) is arranged at the inner side or the outer side of the door opening; the method is characterized in that: the fireproof door pocket comprises a decorative sleeve (3), a door pocket support plate (4), a lining plate (5) and a decorative strip (6); the outer or inner side part in the door opening is provided with a door pocket support plate (4) which is horizontal and vertical left and right, and the top of the door pocket support plate (4) which is vertical left and right is flush with the top surface of the door pocket support plate (4) which is horizontal; a lining plate (5) is arranged in the middle of the side surface, close to the wall body (1), of each door pocket support plate (4), and an inserting notch (8) is formed between each door pocket support plate (4) and the outer side edge of the corresponding lining plate (5); the decorative strip (6) comprises a transverse upper piece and a left vertical piece and a right vertical piece, is arranged outside or inside the door opening, is abutted against the wall body (1), and is provided with an inserting edge which can be inserted into the inserting groove opening (8) on one side; the decorative sleeve (3) is tightly attached to the visible surface of the door sleeve support plate (4) or the visible surfaces of the door sleeve support plate (4) and the door frame (2) to form a decorative surface.
2. A fire door pocket as defined in claim 1, wherein: the door pocket support plate (4) and the lining plate (5) adopt fireproof plates including inorganic plates; the main body of the decorative sleeve (3) is made of a steel plate, and a decorative film is adhered to the surface of the main body.
3. A fire door pocket as defined in claim 1, wherein: an angle code (7) is arranged on the wall surface at the joint of the left and right vertical door pocket support plates (4) and the upper horizontal door pocket support plate (4), and the angle code (7) is connected with the door pocket support plates (4) through screws.
4. A fire door pocket as defined in claim 1, wherein: four corners of the door pocket support plate (4) which is transverse to the upper surface are respectively provided with a gap (9), so that the decorative sleeve (3) can penetrate through the gaps (9), and the visual surface of the decorative sleeve (3) is flush with the surfaces of the left and right vertical door pocket support plates (4).
5. A fire door pocket as defined in claim 1, wherein: the left and right vertical decorative strips (6) are vertically and directly communicated, the top of the left and right vertical decorative strips crosses the upper end edge of the door opening and is higher than the upper horizontal decorative strip (6), and the left and right ends of the upper horizontal decorative strip (6) are propped against the side edges of the left and right vertical decorative strips (6), so that the modern style decorative effect is formed.
6. The utility model provides a fire prevention bealock, sets up in door opening, its characterized in that: the fireproof bealock comprises a decorative sleeve (3), a door sleeve support plate (4), a lining plate (5) and a decorative strip (6); the door opening is internally provided with a door pocket support plate (4) which is horizontal on the upper surface and two door pocket support plates (4) which are vertical on the left and right, and the tops of the two door pocket support plates (4) which are vertical on the left and right are flush with the top surface of the door pocket support plate (4) which is horizontal on the upper surface; a lining plate (5) is arranged in the middle of the side surface, close to the wall body (1), of each door pocket support plate (4), and an inserting notch (8) is formed between each door pocket support plate (4) and the outer side edge of the corresponding lining plate (5); each set of decorative strip (6) comprises a transverse upper piece and a left vertical piece and a right vertical piece, the outer side and the inner side of the door opening are respectively provided with one set, the decorative strip (6) is abutted against the wall body (1), and one side of the decorative strip is provided with an inserting edge which can be inserted into the inserting groove opening (8); the decorative sleeve (3) is tightly attached to the visible surface of the door sleeve support plate (4) to form a decorative surface.
7. The flameproof bealock according to claim 6, characterized in that: the door pocket support plate (4) and the lining plate (5) adopt fireproof plates including inorganic plates; the main body of the decorative sleeve (3) is made of a steel plate, and a decorative film is adhered to the surface of the main body.
8. The flameproof bealock according to claim 6, characterized in that: an angle code (7) is arranged on the wall surface at the joint of the left and right vertical door pocket support plates (4) and the upper horizontal door pocket support plate (4), and the angle code (7) is connected with the door pocket support plates (4) through screws.
9. The flameproof bealock according to claim 6, characterized in that: four corners of the door pocket support plate (4) which is transverse to the upper surface are respectively provided with a gap (9), so that the decorative sleeve (3) can penetrate through the gaps (9), and the visual surface of the decorative sleeve (3) is flush with the surfaces of the left and right vertical door pocket support plates (4).
10. The flameproof bealock according to claim 6, characterized in that: the left and right vertical decorative strips (6) are vertically and directly communicated, the top of the left and right vertical decorative strips crosses the upper end edge of the door opening and is higher than the upper horizontal decorative strip (6), and the left and right ends of the upper horizontal decorative strip (6) are propped against the side edges of the left and right vertical decorative strips (6), so that the modern style decorative effect is formed.
CN202120442387.1U 2021-03-01 2021-03-01 Fireproof door pocket and bealock Expired - Fee Related CN214740926U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120442387.1U CN214740926U (en) 2021-03-01 2021-03-01 Fireproof door pocket and bealock

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120442387.1U CN214740926U (en) 2021-03-01 2021-03-01 Fireproof door pocket and bealock

Publications (1)

Publication Number Publication Date
CN214740926U true CN214740926U (en) 2021-11-16

Family

ID=78590438

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120442387.1U Expired - Fee Related CN214740926U (en) 2021-03-01 2021-03-01 Fireproof door pocket and bealock

Country Status (1)

Country Link
CN (1) CN214740926U (en)

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Granted publication date: 20211116