CN213299387U - Back frame unit and back frame - Google Patents
Back frame unit and back frame Download PDFInfo
- Publication number
- CN213299387U CN213299387U CN202022188100.5U CN202022188100U CN213299387U CN 213299387 U CN213299387 U CN 213299387U CN 202022188100 U CN202022188100 U CN 202022188100U CN 213299387 U CN213299387 U CN 213299387U
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- CN
- China
- Prior art keywords
- limiting
- section
- supporting rod
- back frame
- frame unit
- Prior art date
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Links
- 238000000034 method Methods 0.000 claims description 5
- 239000003351 stiffener Substances 0.000 claims 2
- 238000005457 optimization Methods 0.000 description 5
- 230000003014 reinforcing effect Effects 0.000 description 5
- 230000000712 assembly Effects 0.000 description 4
- 238000000429 assembly Methods 0.000 description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Mirrors, Picture Frames, Photograph Stands, And Related Fastening Devices (AREA)
- Furniture Connections (AREA)
Abstract
The utility model discloses a back of body frame unit and back of body frame belongs to display screen technical field. The back frame unit comprises a supporting component, the supporting component comprises a supporting rod, a joint and a limiting component, the joint comprises a limiting part positioned outside the supporting rod, the limiting part is provided with an avoidance opening and a limiting groove, the limiting component comprises a positioning pin, a limiting cylinder and an elastic part, the limiting cylinder is sleeved outside the positioning pin and can axially move along the positioning pin, the limiting cylinder comprises an unlocking section, a middle section and a limiting section which are sequentially connected, the unlocking section penetrates through the supporting rod to be exposed outside the supporting rod, the limiting section is positioned in the supporting rod, and the diameter of the limiting section is larger than that of the middle section; when two back frame units which are adjacent up and down are assembled together, the limiting part of the joint at the lower part is inserted into the supporting rod at the upper part, the middle section of the limiting cylinder at the upper part is positioned at the avoiding opening, and the limiting section is radially limited by the limiting groove and cannot move up and down; the unlocking section is pressed, so that the limiting section is far away from the limiting groove to move axially, and unlocking can be achieved.
Description
Technical Field
The utility model relates to a display screen technical field, more specifically say, it relates to back of the body frame unit and back of the body frame that can be used to the display screen.
Background
Due to the special use scene of the rental project, the rental project needs to be frequently disassembled and assembled, and higher requirements are provided for disassembling and assembling a back frame for installing a fixed box body. However, the back frame used for installing the fixed box body of the renting LED display screen on the market is inconvenient to disassemble and assemble, and the customer experience is very poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a back of body frame unit and back of body frame solve present back of body frame dismouting inconvenient, and customer experience is very poor technical problem.
The above technical purpose of the present invention can be achieved by the following technical solutions:
according to a first aspect of the present invention, there is provided a back frame unit comprising a support member, the support member comprising a support bar, a joint mounted at one end of the support bar and a limit member mounted at the other end of the support bar, the joint comprises a limiting part positioned outside the supporting rod, the limiting part is provided with an avoiding opening and a limiting groove, the limiting assembly comprises a positioning pin, a limiting cylinder and an elastic piece, the positioning pin is arranged in the supporting rod, the limiting cylinder is sleeved outside the positioning pin and can move along the axial direction of the positioning pin, the limiting cylinder comprises an unlocking section, a middle section and a limiting section which are sequentially connected, the unlocking section penetrates through the supporting rod and is exposed outside the supporting rod, the limiting section is positioned in the supporting rod, the diameter of the limiting section is larger than that of the middle section, and the elastic piece is arranged between one side of the limiting section, which is far away from the middle section, and the supporting rod;
when two back frame units which are adjacent up and down are assembled together, the limiting part of the joint at the lower part is inserted into the supporting rod at the upper part, the middle section of the limiting cylinder at the upper part is positioned at the avoiding opening, and the limiting section is radially limited by the limiting groove and cannot move up and down; the unlocking section is pressed, so that the limiting section is far away from the limiting groove to move axially, and unlocking can be achieved.
As a further optimization, the limiting part is provided with a first auxiliary inclined surface, and the limiting part can push the limiting section to move axially away from the limiting part by means of the first auxiliary inclined surface in the process that the limiting part of the lower joint is inserted into the upper supporting rod;
and/or
The limiting section is provided with a second auxiliary inclined surface, and in the process that the limiting part of the joint below is inserted into the supporting rod above, the limiting part can push the limiting section to move away from the limiting part in the axial direction by means of the second auxiliary inclined surface.
As a further optimization, the limiting part comprises two convex blocks arranged at intervals, and the avoidance port is arranged between the two convex blocks.
As a further optimization, the limiting groove comprises two parts respectively opened on the two convex blocks.
As a further refinement, the joint comprises a connecting portion, which is inserted into the support rod.
As a further optimization, the end part of the positioning pin, which is far away from the limiting section, is provided with a convex ring, a limiting step is arranged in the limiting cylinder, and the convex ring and the limiting step are matched to limit the axial movement range of the limiting cylinder.
Preferably, the unlocking section is provided with a marking ring near the middle section end, and when two back frame units which are adjacent up and down are assembled, the locking state is achieved when the marking ring is exposed out of the supporting rod.
Preferably, the support assemblies are at least two groups arranged at intervals.
As a further optimization, the support device further comprises a reinforcing rod which is arranged between the two support rods of the two groups of support assemblies.
According to a second aspect of the present invention, there is provided a back frame comprising at least two back frame units as described above.
To sum up, the utility model discloses following beneficial effect has: after two back frame units which are adjacent up and down are assembled together, the joint at the lower part is inserted into the supporting rod at the upper part, the middle section of the limiting cylinder at the upper part is positioned at the avoidance opening, the limiting section of the limiting cylinder at the upper part is positioned in the limiting groove, and the limiting section is radially limited by the limiting groove and cannot move up and down, so that the two back frame units which are adjacent up and down are installed and fixed; when the back frame unit needs to be disassembled and separated, the unlocking section is pressed, so that the limiting section moves away from the limiting groove in the axial direction to realize unlocking, and the two back frame units which are adjacent up and down can be disassembled; the utility model provides a back of body frame and back of body frame unit, owing to connect and spacing subassembly's structural design, simple structure, and easy dismounting.
Drawings
FIG. 1 is a sectional view of a back frame in the embodiment;
fig. 2 is a schematic structural view of a back frame unit of the back frame in the embodiment;
fig. 3 is an enlarged schematic view of an exploded structure of a support member of a back frame unit of the back frame in the embodiment;
fig. 4 is a partially enlarged view of a portion a in fig. 1.
In the figure: 100. a support assembly; 200. a reinforcing bar; 1. a support bar; 2. a joint; 21. a limiting part; 211. avoiding the mouth; 212. a limiting groove; 213. a first auxiliary slope; 214. a bump; 22. a connecting portion; 31. positioning pins; 311. a convex ring; 32. a limiting cylinder; 321. an unlocking section; 3211. a marker ring; 322. a middle section; 323. a limiting section; 3231. a second auxiliary slope; 324. a limiting step; 33. an elastic member.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention clearer and more obvious, the following description of the present invention with reference to the accompanying drawings and embodiments is provided for further details. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The embodiment provides a back frame, which comprises at least two back frame units which are assembled up and down for use, as shown in fig. 1. Referring to fig. 2 and 3, the back frame unit includes a support assembly 100, the support assembly 100 includes a support rod 1, a joint 2 and a limit assembly, the joint 2 is installed at one end of the support rod 1, the limit assembly is installed at the other end of the support rod 1, and the joint 2 is generally installed at the upper end and the limit assembly is generally installed at the lower end in combination with practical application. When two back of the body frame units are assembled from top to bottom, the upper and lower adjacent joint 2 and the limiting assembly are matched to realize locking, and then the two back of the body frame units are fixedly installed.
The joint 2 includes a limiting portion 21 located outside the support rod 1, and the limiting portion 21 has an avoiding opening 211 and a limiting groove 212. The limiting assembly comprises a positioning pin 31, a limiting cylinder 32 and an elastic part 33, wherein the positioning pin 31 is installed in the supporting rod 1, and the limiting cylinder 32 is sleeved outside the positioning pin 31 and can move along the axial direction of the positioning pin 31. Spacing section of thick bamboo 32 is including consecutive unlocking section 321, interlude 322 and spacing section 323, and unlocking section 321 passes bracing piece 1 and shows outside bracing piece 1, and spacing section 323 is located bracing piece 1, and the diameter of spacing section 323 is greater than the diameter of interlude 322, and elastic component 33 installs between one side and bracing piece 1 that spacing section 323 kept away from interlude 322.
After two upper and lower adjacent back frame units are assembled together, the limiting part 21 of the lower joint 2 is inserted into the upper supporting rod 1, the middle section 322 of the upper limiting cylinder 32 is positioned at the avoidance opening 211, the limiting section 323 of the upper limiting cylinder 32 is positioned in the limiting groove 212, and the limiting section 323 is radially limited by the limiting groove 212 and cannot move up and down, so that the two upper and lower adjacent back frame units are installed and fixed; when the separation is needed to be disassembled, the unlocking section 321 is pressed, so that the limiting section 323 is far away from the limiting groove 212 to move axially to realize unlocking, and the two upper and lower adjacent back frame units can be disassembled. The back frame and the back frame unit in the embodiment have simple structure and convenient assembly and disassembly due to the structural design of the joint 2 and the limiting assembly.
In the present embodiment, as shown in fig. 3 and 4, the stopper portion 21 of the joint 2 has a first auxiliary inclined surface 213, and the stopper section 323 of the stopper cylinder 32 has a second auxiliary inclined surface 3231. When adjacent back of the body frame unit assembles from top to bottom, the spacing portion 21 of joint 2 of below inserts the in-process of bracing piece 1, first supplementary inclined plane 213 and the supplementary inclined plane 3231 of second cooperate, make spacing portion 21 promote spacing section of thick bamboo 32 and keep away from spacing portion 21 axial displacement, elastic component 33 produces elastic deformation, when spacing section 323 aligns with spacing groove 212, the spacing section of thick bamboo 32 of elastic drive that elastic deformation produced is close to spacing portion 21 axial displacement, make spacing section 323 get into spacing groove 212, realize spacing locking, and then the installation of two adjacent back of the body frame units from top to bottom is fixed. In the present embodiment, the limiting portion 21 of the joint 2 includes two protrusions 214 arranged at intervals, and an escape opening 211 is formed between the two protrusions 214. In the present embodiment, the limiting groove 212 includes two portions respectively opened on the two protrusions 214. In the present embodiment, the joint 2 includes a connection portion 22, and the connection portion 22 is inserted into the support rod 1. In the present embodiment, the connecting portion 22 is fixed to the support rod 1 by screws.
In this embodiment, as shown in fig. 3 and 4, a protruding ring 311 is disposed at an end of the positioning pin 31 away from the limiting section 323, a limiting step 324 is disposed in the limiting cylinder 32, and the protruding ring 311 cooperates with the limiting step 324 to limit an axial movement range of the limiting cylinder 32. In this embodiment, the end of the unlocking section 321 close to the middle section 322 is provided with a marking ring 3211, and when two back frame units adjacent to each other up and down are assembled, the marking ring 3211 is in a locked state when being exposed out of the support rod 1, that is, the two back frame units are installed and fixed. In the present embodiment, the support members 100 are provided in two spaced-apart groups. In other embodiments, the support assemblies 100 may be three or more. In this embodiment, the back frame unit further includes a reinforcing bar 200, the reinforcing bar 200 is installed between the two support bars 1 of the two sets of support assemblies 100, and both ends of the reinforcing bar 200 are respectively inserted into the two support bars 1 and then fixed by screws.
The above embodiments are merely illustrative of the present invention, and are not intended to limit the present invention, and those skilled in the art can make modifications to the above embodiments without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent laws within the scope of the present invention.
Claims (10)
1. A back frame unit, characterized in that: comprises a supporting component, the supporting component comprises a supporting rod, a joint arranged at one end of the supporting rod and a limiting component arranged at the other end of the supporting rod, the joint comprises a limiting part positioned outside the supporting rod, the limiting part is provided with an avoiding opening and a limiting groove, the limiting assembly comprises a positioning pin, a limiting cylinder and an elastic piece, the positioning pin is arranged in the supporting rod, the limiting cylinder is sleeved outside the positioning pin and can move along the axial direction of the positioning pin, the limiting cylinder comprises an unlocking section, a middle section and a limiting section which are sequentially connected, the unlocking section penetrates through the supporting rod and is exposed outside the supporting rod, the limiting section is positioned in the supporting rod, the diameter of the limiting section is larger than that of the middle section, and the elastic piece is arranged between one side of the limiting section, which is far away from the middle section, and the supporting rod;
when two back frame units which are adjacent up and down are assembled together, the limiting part of the joint at the lower part is inserted into the supporting rod at the upper part, the middle section of the limiting cylinder at the upper part is positioned at the avoiding opening, and the limiting section is radially limited by the limiting groove and cannot move up and down; the unlocking section is pressed, so that the limiting section is far away from the limiting groove to move axially, and unlocking can be achieved.
2. The back frame unit of claim 1, wherein: the limiting part is provided with a first auxiliary inclined surface, and the limiting part can push the limiting section to move axially away from the limiting part by means of the first auxiliary inclined surface in the process that the limiting part of the lower joint is inserted into the upper supporting rod;
and/or
The limiting section is provided with a second auxiliary inclined surface, and in the process that the limiting part of the joint below is inserted into the supporting rod above, the limiting part can push the limiting section to move away from the limiting part in the axial direction by means of the second auxiliary inclined surface.
3. The back frame unit of claim 1, wherein: the limiting part comprises two convex blocks arranged at intervals, and the avoidance port is arranged between the two convex blocks.
4. The back frame unit of claim 3, wherein: the limiting groove comprises two parts which are respectively arranged on the two convex blocks.
5. The back frame unit of claim 1, wherein: the joint includes a connecting portion inserted into the support rod.
6. The back frame unit of claim 1, wherein: the end part of the positioning pin, which is far away from the limiting section, is provided with a convex ring, a limiting step is arranged in the limiting cylinder, and the convex ring is matched with the limiting step to limit the axial movement range of the limiting cylinder.
7. The back frame unit of claim 1, wherein: the unlocking section is provided with a marking ring near the middle section, and when two back frame units which are adjacent up and down are assembled, the marking ring is in a locking state when being exposed out of the supporting rod.
8. The back frame unit of claim 1, wherein: the support components are at least provided with two groups which are arranged at intervals.
9. The back frame unit of claim 8, wherein: still include the stiffener, the stiffener is installed between two bracing pieces of two sets of supporting components.
10. A back frame, characterized in that: comprising at least two back frame units according to any of claims 1-9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022188100.5U CN213299387U (en) | 2020-09-29 | 2020-09-29 | Back frame unit and back frame |
| PCT/CN2021/105219 WO2022068305A1 (en) | 2020-09-29 | 2021-07-08 | Back support unit and back support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022188100.5U CN213299387U (en) | 2020-09-29 | 2020-09-29 | Back frame unit and back frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213299387U true CN213299387U (en) | 2021-05-28 |
Family
ID=76011503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022188100.5U Active CN213299387U (en) | 2020-09-29 | 2020-09-29 | Back frame unit and back frame |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN213299387U (en) |
| WO (1) | WO2022068305A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022068305A1 (en) * | 2020-09-29 | 2022-04-07 | 深圳市洲明科技股份有限公司 | Back support unit and back support |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN217875045U (en) * | 2022-08-26 | 2022-11-22 | 深圳市洲明科技股份有限公司 | Back frame connecting structure and back frame device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070031184A1 (en) * | 2005-08-02 | 2007-02-08 | Baxstrom Luke J | Connector |
| CN201734651U (en) * | 2010-06-04 | 2011-02-09 | 彭东 | Quick connection device of toilet cover plate |
| CN205048101U (en) * | 2015-10-23 | 2016-02-24 | 湖南新亚胜科技发展有限公司 | LED display screen back of body frame and large screen LED display screen |
| CN208831407U (en) * | 2018-10-15 | 2019-05-07 | 王小玉 | A kind of folding device |
| CN209859534U (en) * | 2019-06-28 | 2019-12-27 | 深圳市丽晶光电科技股份有限公司 | LED display screen mask, module and LED display screen |
| CN213299387U (en) * | 2020-09-29 | 2021-05-28 | 深圳市洲明科技股份有限公司 | Back frame unit and back frame |
-
2020
- 2020-09-29 CN CN202022188100.5U patent/CN213299387U/en active Active
-
2021
- 2021-07-08 WO PCT/CN2021/105219 patent/WO2022068305A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022068305A1 (en) * | 2020-09-29 | 2022-04-07 | 深圳市洲明科技股份有限公司 | Back support unit and back support |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022068305A1 (en) | 2022-04-07 |
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