CN113585670B - Integrated manhole of plate is decorated to assembled - Google Patents
Integrated manhole of plate is decorated to assembled Download PDFInfo
- Publication number
- CN113585670B CN113585670B CN202110834661.4A CN202110834661A CN113585670B CN 113585670 B CN113585670 B CN 113585670B CN 202110834661 A CN202110834661 A CN 202110834661A CN 113585670 B CN113585670 B CN 113585670B
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- Prior art keywords
- plate
- overhaul
- cover plate
- plate body
- manhole
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- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 6
- 238000005034 decoration Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F19/00—Other details of constructional parts for finishing work on buildings
- E04F19/08—Built-in cupboards; Masks of niches; Covers of holes enabling access to installations
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F19/00—Other details of constructional parts for finishing work on buildings
- E04F19/08—Built-in cupboards; Masks of niches; Covers of holes enabling access to installations
- E04F19/083—Covers with fixing means providing for snap locking
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Connection Of Plates (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention discloses an integrated manhole of an assembled decorative plate, which comprises the following steps: the overhaul plate body is provided with an overhaul port; the cover plate is used for covering the access hole; the lower side of the cover plate is provided with a limit step; one end of the rebound limiting device is fixedly connected to the overhaul plate body, and the other end of the rebound limiting device is used for being abutted against the inner side surface of the cover plate; the two rebound limiting devices are respectively arranged on the upper side and the lower side of the overhaul plate body, which are close to the overhaul hole; the lower side of the access panel body, which is close to the access opening, is provided with a hollow accommodating cavity, and the accommodating cavity is used for accommodating the cover plate; the overhaul plate body is provided with a limit clamping groove matched with the limit step for limiting. The assembled decorative plate integrated manhole has the advantages of simple structure, easy manufacture and simple and quick field assembly; in addition, the access hole is in the open condition, and the apron can conveniently be placed in the holding chamber of seting up on the access plate body, can avoid the damage or the pollution of apron.
Description
Technical Field
The invention relates to the technical field of assembled finished product access holes, in particular to an assembled decorative plate integrated access hole.
Background
In the building decoration process, the places like a central air-conditioning pipeline, an electric wire pipe, a toilet water supply and drainage pipe and the like are required to be provided with overhaul holes (also called overhaul holes and inspection holes), and the overhaul holes are used for technical staff to overhaul and maintain equipment, pipelines and the like installed in building facilities. The traditional manhole is made of wood materials or T-shaped keels on site, is easy to damage, crack and deform, is nonuniform in specification and size, prolongs the decoration period, is poor in quality effect of appearance joint seams, is not attractive, and is attractive in overall appearance. With the continuous innovation of the market, the assembled finished product manhole is increasingly applied to the field of building decoration by the advantages of convenient installation and attractive decorative effect.
At present, finished product manhole in the market is installed in a mode of adding a cover plate on an outer frame plate body, and the outer frame plate body is provided with a manhole on which the cover plate can be covered. For example, the Chinese patent CN201922044849.X discloses a novel access opening installation structure, and belongs to the technical field of access opening installation structures. The novel access hole mounting structure comprises an outer frame, a cover plate and a spring buckle. The apron lid in this patent closes the frame periphery, the spring buckle drives the apron and moves in order to fix the apron on the frame towards the direction that is close to the frame, fix the apron on the frame through the spring buckle, the in-process spring buckle with the apron lid closes at the frame drives the apron automatic re-setting, exert force on hand, the handle atress drives the apron and moves towards the direction that keeps away from the frame when moving towards the direction that keeps away from the frame, conveniently dismantle the apron from the frame, the procedure of using the screw is reduced in the installation, the difficult problem of later stage dismantlement is reduced. In addition, chinese patent CN202011398829.3 discloses a building ceiling access hole structure is inhaled to magnetism, relate to fitment design technical field, including the furred ceiling board that is provided with the maintenance breach and be used for lid to the shielding plate of maintenance breach, the furred ceiling board is provided with first pad piece, the shielding plate is provided with the second pad piece, first pad piece includes first side wall board, first diaphragm and second diaphragm, distance between first diaphragm and the second diaphragm equals the thickness of furred ceiling board, the second pad piece includes second side wall board, fixed plate and third diaphragm, be provided with the first cavity that is used for placing first magnetic sheet in the first diaphragm, be provided with the second cavity that is used for placing the second magnetic sheet in the third diaphragm, be provided with the screw on the fixed plate.
However, the structure of the access opening disclosed in the above patent is complex, and the difficulty of manufacturing is increased. On the other hand, after the cover plate is detached from the access opening, no special cover plate accommodating device exists, so that the cover plate has to be placed on an access site, usually directly placed on the ground, and the cover plate is easy to damage or pollute, so that inconvenience is brought to the access operation.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide an integrated manhole of an assembled decorative plate.
In order to solve the problems, the invention adopts the following technical scheme:
an integrated manhole of a fabricated decorative panel, comprising:
The overhaul plate body is provided with an overhaul port;
The cover plate is used for covering the access hole; a limiting step is arranged on the lower side of the cover plate; and
One end of the telescopic rebound limiting device is fixedly connected to the overhaul plate body, and the other end of the telescopic rebound limiting device is used for being abutted against the inner side surface of the cover plate; the two rebound limiting devices are respectively arranged on the upper side and the lower side of the overhaul plate body, which are close to the overhaul hole;
The lower side of the overhaul plate body, which is close to the overhaul hole, is provided with a hollow accommodating cavity, and the accommodating cavity is used for accommodating the cover plate; the overhaul plate body is provided with a limiting clamping groove matched with the limiting step for limiting.
Preferably, the rebound limiting device comprises:
the fixed plate is fixedly connected to the overhaul plate body;
a push plate, one side of which is used for being abutted with the inner side surface of the cover plate; and
One end of the elastic piece is fixedly connected to the fixed plate, and the other end of the elastic piece is fixedly connected to the push plate.
Preferably, the overhaul plate body is provided with a notch, and one end of the fixing plate is fixedly clamped into the notch.
Preferably, limit sliding grooves are symmetrically arranged on two opposite side surfaces of the overhaul plate body, limit sliding blocks are symmetrically arranged on two opposite side surfaces of the push plate, and the limit sliding blocks can slide along the limit sliding grooves.
Preferably, the elastic pieces are uniformly arranged in a plurality along the length direction of the push plate.
Preferably, the elastic member is a spring.
Preferably, the upper side of the cover plate is provided with a handle part, and the handle part is convenient for a human hand to grasp.
Preferably, the handle part is an arc notch groove arranged on the upper side of the cover plate.
Preferably, a buffer pad is arranged at the bottom of the accommodating cavity.
Preferably, the upper and lower both sides of the lateral surface of apron are equipped with first slope chamfer respectively, the lateral surface of access panel body is close to the upper and lower both sides of access hole are equipped with respectively with first slope chamfer assorted second slope chamfer, first slope chamfer with second slope chamfer can be assembled into the V-arrangement groove.
Compared with the prior art, the invention has the technical effects that:
the integrated overhaul hole of the assembled decorative plate comprises the overhaul plate body, the cover plate and the rebound limiting device, has a simple structure, is easy to manufacture, and is simple and quick to assemble on site; in addition, the access hole is under the open condition, and the apron can conveniently be placed in the holding chamber of seting up on the access plate body, can avoid directly placing the apron of dismantling and cause the damage or the pollution of apron subaerial for the maintenance operation is more convenient.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims thereof as well as the appended drawings.
It will be appreciated by those skilled in the art that the objects and advantages that can be achieved with the present invention are not limited to the above-described specific ones, and that the above and other objects that can be achieved with the present invention will be more clearly understood from the following detailed description.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate and together with the description serve to explain the application. Many aspects of the application can be better understood with reference to the following drawings. The components in the drawings are not necessarily to scale, emphasis instead being placed upon clearly illustrating the principles of the present application. In the drawings:
FIG. 1 is a schematic diagram of the overall structure of an integrated manhole of an assembled decorative plate (cover plate is in a closed state) according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of the structure of FIG. 1 taken along section A-A;
FIG. 3 is a schematic diagram of the overall structure of an integrated manhole for an assembled decorative plate (cover plate is in open state, and rebound limiting device is not shown in the figure);
FIG. 4 is a schematic view of a partial enlarged structure at B in FIG. 3;
fig. 5 is a schematic structural diagram of a cover plate according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a rebound limiting device according to an embodiment of the present invention;
FIG. 7 is a schematic view of a partially enlarged structure of an inside of an integrated manhole of an assembled decorative plate when a cover plate provided by an embodiment of the present invention is in a closed state (a structure of an underside of the cover plate is shown with emphasis);
FIG. 8 is a schematic view of another enlarged partial structure of the interior of the integrated manhole of the assembled decorative plate when the cover plate is in the closed state (the upper side structure of the cover plate is shown with emphasis).
In the figure, 1, an overhaul plate body, 2, a cover plate, 3, a rebound limiting device, 4, a buffer gasket, 101, an overhaul port, 102, a containing cavity, 103, a limiting clamping groove, 104, a notch, 105, a limiting sliding groove, 106, a second inclined chamfer, 201, a limiting step, 202, an arc notch groove, 203, a first inclined chamfer, 301, a fixed plate, 302, a push plate, 303, an elastic piece, 3021 and a limiting sliding block.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
It should be noted, however, that only the structures and/or processing steps closely related to the solution according to the present invention are shown in the drawings, and other details not greatly related to the present invention are omitted in order to avoid obscuring the present invention with unnecessary details.
In addition, it should be noted that, in the embodiment of the present invention, unless otherwise specified, the term "connected" may be a straight connection or an indirect connection with an additional connection member therebetween. Furthermore, the terms "upper," "lower," "left," "right," "front," "rear" and the like are merely used for the sake of clarity in describing the connection between various components in the drawings, and are not intended to limit the invention.
Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. In the drawings, the same reference numerals represent the same or similar components, or the same or similar steps.
Examples
The embodiment of the invention provides an integrated manhole of an assembled decorative plate, and the structure of the integrated manhole is shown in figures 1-8. An integrated manhole of an assembled decorative plate comprises an overhaul plate body 1, a cover plate 2 and a telescopic rebound limiting device 3. The access panel body 1 is provided with an access hole 101; the cover plate 2 is used for covering the access hole 101; the lower side of the cover plate 2 is provided with a limit step 201; one end of the rebound limiting device 3 is fixedly connected to the overhaul plate body 1, and the other end of the rebound limiting device is used for being abutted against the inner side surface of the cover plate 2; the two rebound limiting devices 3 are arranged, and the two rebound limiting devices 3 are respectively arranged on the upper side and the lower side of the overhaul plate body 1, which is close to the overhaul port 101; the lower side of the access panel body 1, which is close to the access opening 101, is provided with a hollow accommodating cavity 102, and the accommodating cavity 102 is used for accommodating the cover plate 2; the overhaul plate body 1 is provided with a limit clamping groove 103 which is matched with the limit step 201 for limit.
The invention relates to an integrated access hole of an assembled decorative plate, which mainly utilizes two rebound limiting devices 3 fixedly connected to an access plate body 1 to realize the opening and closing operation of a cover plate 2. When the two rebound limiting devices 3 are in the extension state, the two rebound limiting devices 3 apply an outward thrust to the cover plate 2 from the inner side of the cover plate 2, so that the cover plate 2 can be firmly covered on the access hole 101, and at the moment, the cover plate 2 is subjected to limit assembly with the limit clamping groove 103 on the access plate body 1 by means of the limit step 201 arranged on the lower side of the cover plate 2, so that the cover plate 2 is prevented from being excessively pushed out of the access hole 101 to cause an over-assembly condition. When the access hole 101 needs to be opened for internal overhaul operation, an inward thrust is applied inwards from the outer side face of the cover plate 2, so that the two rebound limiting devices 3 are in a compressed state, when the cover plate 2 moves inwards a certain distance, namely, the cover plate 2 is just above the hollow accommodating cavity 102 of the access plate body 1, the cover plate 2 can move downwards to enter the accommodating cavity 102 to be temporarily accommodated, and at the moment, the rebound limiting devices 3 on the upper side of the cover plate 2 are out of contact with the inner side face of the cover plate 2 to be in a natural extension state, and the rebound limiting devices 3 on the lower side of the cover plate 2 are still in abutting connection with the inner side face of the cover plate 2 and are in a maximum compression state.
The integrated overhaul hole of the assembled decorative plate comprises the overhaul plate body 1, the cover plate 2 and the rebound limiting device 3, has a simple structure, is easy to manufacture, and is simple and quick to assemble on site; in addition, the access opening 101 is in the open state, and the apron 2 can be conveniently placed in the accommodation chamber 102 of seting up on the access panel body 1, can avoid directly placing the apron 2 of dismantling and cause the damage or the pollution of apron 2 subaerial for the maintenance operation is more convenient. The integrated manhole of the assembled decorative plate can be applied to the ground, the wall surface and the top surface, or can be applied to decoration occasions with overhaul requirements on the back of the plate.
Specifically, the rebound limiter 3 provided in the embodiment of the present invention includes a fixing plate 301, a push plate 302 and a retractable elastic member 303, and the structure is shown in fig. 6. The fixed plate 301 is fixedly connected to the access panel body 1; one side of the push plate 302 is used for being abutted against the inner side surface of the cover plate 2 so as to provide linear supporting force for the cover plate 2, so that the inner side surface of the cover plate 2 is uniformly stressed; one end of the elastic member 303 is fixedly connected to the fixed plate 301, and the other end is fixedly connected to the push plate 302. Further, the overhaul plate body 1 is provided with the notch 104, one end of the fixing plate 301 is fixedly clamped into the notch 104, and the fixing mode through the clamping and fixing of the notch 104 is convenient to install and detach. The assembled relationship between the rebound limiter 3 and the access panel 1 and cover 2 when the access opening 101 is in the closed condition is shown in figures 1, 2, 7 and 8. The rebound limiting device 3 in the embodiment of the invention mainly depends on the push plate 302 to provide back supporting force for the cover plate 2, and the length of the push plate 302 is matched with the length of the cover plate 2, so that the push plate 302 can provide uniform and stable external pushing force for the inner side surface of the cover plate 2.
Preferably, limit sliding grooves 105 are symmetrically arranged on two opposite side surfaces of the overhaul plate body 1, as shown in fig. 4,7 and 8; the two opposite sides of the push plate 302 are symmetrically provided with limit sliding blocks 3021, as shown in fig. 6, the limit sliding blocks 3021 can slide along the limit sliding groove 105. Through set up spacing spout 105 on the opposite both sides face of access panel body 1 symmetry, can guarantee that the push pedal 302 of resilience stop device 3 can be along the concertina movement of establishing the route, prevent that the relative skew from appearing in the push pedal 302 removal in-process to guarantee that the assembly phenomenon can not appear between apron 2 and the access panel body 1.
Preferably, the elastic member 303 is uniformly provided in plurality along the length direction of the push plate 302. More preferably, the elastic member 303 is a spring. When the size of the cover plate 2 is larger, the thrust that can be provided by one elastic piece 303 is limited, and it is difficult to ensure that the elastic piece 303 applies the thrust uniformly and stably to the inner side surface of the cover plate 2, by arranging a plurality of elastic pieces 303, and the plurality of elastic pieces 303 are uniformly arranged along the length direction of the push plate 302, the push plate 302 can apply the thrust more uniformly and stably to the inner side surface of the cover plate 2.
Preferably, the upper side of the cover plate 2 is provided with a grip portion which facilitates gripping by a human hand. More preferably, the grip portion is an arc-shaped notch 202 provided on the upper side of the cover plate 2, as shown in fig. 2, 5 and 8. When the access opening 101 is required to be changed from the open state to the closed state, the outward leakage protruding end part of the cover plate 2 is required to be manually grasped, the cover plate 2 is dragged to move upwards along the accommodating cavity 102 so as to close the access opening 101, and the hand grasping part is arranged on the upper side of the cover plate 2 so as to facilitate the manual grasping and the operation of closing the access opening 101. The hand grip is arranged as the arc notch groove 202 on the upper side of the cover plate 2, and the arc notch groove 202 is attractive in appearance and is not easy to hurt hands during gripping.
The design of the pull type switch between the cover plate 2 and the overhaul plate body 1 of the integrated overhaul hole of the assembled decorative plate, provided by the embodiment of the invention, not only can hide the cover plate 2 in the accommodating cavity 102 of the overhaul plate body 1 when the overhaul hole 101 is in an open state, so that the overall appearance of the integrated overhaul hole is more attractive; in addition, in the transportation process, the hidden design of the pull-out switch type can also prevent the edge of the cover plate 2 from being damaged due to collision, and plays a certain role in protecting the cover plate 2.
Preferably, the bottom of the receiving cavity 102 in the access panel body 1 is provided with a buffer gasket 4, which buffer gasket 4 may be made of an elastic material, such as elastic rubber. Through setting up buffer pad 4, when accomodating apron 2 in the holding chamber 102 inside of access panel body 1, can avoid apron 2's downside and hold the bottom in chamber 102 and directly take place rigid contact, can avoid apron 2 to take place the rigid collision and produce the risk of damage at the opening in-process.
Preferably, the upper and lower sides of the outer side surface of the cover plate 2 are respectively provided with a first inclined chamfer 203, the upper and lower sides of the outer side surface of the access plate body 1, which is close to the access hole 101, are respectively provided with a second inclined chamfer 106 matched with the first inclined chamfer 203, and the first inclined chamfer 203 and the second inclined chamfer 106 can be assembled into a V-shaped groove, as shown in fig. 2,5, 7 and 8. Thus, when the cover plate 2 is in a closed state, the first inclined chamfer 203 of the cover plate 2 and the second inclined chamfer 106 of the access plate body 1 just form a V-shaped groove edge-folding structure at the assembling contact surface, so that the visual width of a gap is reduced, and the effect of beautifying the access opening 101 can be achieved.
The present invention is not limited to the above-described specific embodiments, and various modifications and variations are possible. Any modification, equivalent replacement, improvement, etc. of the above embodiments according to the technical substance of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. An integrated manhole of assembled decorative plate, characterized by comprising:
The overhaul plate body is provided with an overhaul port;
The cover plate is used for covering the access hole; a limiting step is arranged on the lower side of the cover plate; and
One end of the telescopic rebound limiting device is fixedly connected to the overhaul plate body, and the other end of the telescopic rebound limiting device is used for being abutted against the inner side surface of the cover plate; the two rebound limiting devices are respectively arranged on the upper side and the lower side of the overhaul plate body, which are close to the overhaul hole;
The lower side of the overhaul plate body, which is close to the overhaul hole, is provided with a hollow accommodating cavity, and the accommodating cavity is used for accommodating the cover plate; a limiting clamping groove matched with the limiting step for limiting is formed in the overhaul plate body;
The rebound limiting device comprises:
the fixed plate is fixedly connected to the overhaul plate body;
a push plate, one side of which is used for being abutted with the inner side surface of the cover plate; and
One end of the elastic piece is fixedly connected to the fixed plate, and the other end of the elastic piece is fixedly connected to the push plate.
2. The integrated manhole of claim 1, wherein the manhole plate body is provided with a notch, and one end of the fixing plate is fixedly clamped into the notch.
3. The integrated manhole of claim 1, wherein limiting sliding grooves are symmetrically arranged on two opposite sides of the manhole plate body, limiting sliding blocks are symmetrically arranged on two opposite sides of the push plate, and the limiting sliding blocks can slide along the limiting sliding grooves.
4. The integrated manhole of a fabricated decorative panel according to claim 1, wherein the elastic member is uniformly provided with a plurality of elastic members along a length direction of the push plate.
5. The integrated manhole of claim 4, wherein the elastic member is a spring.
6. The integrated manhole of a fabricated decorative panel according to claim 1, wherein the upper side of the cover plate is provided with a grip portion for facilitating the gripping by a human hand.
7. The integrated manhole for a fabricated decorative panel according to claim 6, wherein the grip portion is an arc-shaped notch groove provided at an upper side of the cover plate.
8. The integrated manhole of a fabricated decorative panel according to claim 1, wherein the bottom of the receiving cavity is provided with a buffer pad.
9. The integrated manhole of an assembled decorative plate according to claim 1, wherein the upper and lower sides of the outer side surface of the cover plate are respectively provided with a first inclined chamfer, the upper and lower sides of the outer side surface of the service plate body, which is close to the service hole, are respectively provided with a second inclined chamfer matched with the first inclined chamfer, and the first inclined chamfer and the second inclined chamfer can be assembled into a V-shaped groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110834661.4A CN113585670B (en) | 2021-07-23 | 2021-07-23 | Integrated manhole of plate is decorated to assembled |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110834661.4A CN113585670B (en) | 2021-07-23 | 2021-07-23 | Integrated manhole of plate is decorated to assembled |
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| Publication Number | Publication Date |
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| CN113585670A CN113585670A (en) | 2021-11-02 |
| CN113585670B true CN113585670B (en) | 2024-06-21 |
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| CN202110834661.4A Active CN113585670B (en) | 2021-07-23 | 2021-07-23 | Integrated manhole of plate is decorated to assembled |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN215889241U (en) * | 2021-07-23 | 2022-02-22 | 浙江亚厦装饰股份有限公司 | Integrated access hole of assembled decorative plate |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109707095B (en) * | 2019-01-02 | 2021-02-02 | 重庆创高装饰工程股份有限公司 | Hidden access hole |
| CN211974198U (en) * | 2019-11-25 | 2020-11-20 | 浙江亚厦装饰股份有限公司 | Novel access hole mounting structure |
| CN112282176A (en) * | 2020-11-05 | 2021-01-29 | 金螳螂精装科技（苏州）有限公司 | Detachable access hole structure of assembled suspended ceiling |
| CN112443068B (en) * | 2020-12-01 | 2024-06-21 | 浙江亚厦装饰股份有限公司 | Ceiling access hole structure and installation method |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN215889241U (en) * | 2021-07-23 | 2022-02-22 | 浙江亚厦装饰股份有限公司 | Integrated access hole of assembled decorative plate |
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