CN109237275B - Hanging computer - Google Patents
Hanging computer Download PDFInfo
- Publication number
- CN109237275B CN109237275B CN201811325130.7A CN201811325130A CN109237275B CN 109237275 B CN109237275 B CN 109237275B CN 201811325130 A CN201811325130 A CN 201811325130A CN 109237275 B CN109237275 B CN 109237275B
- Authority
- CN
- China
- Prior art keywords
- sleeve
- connecting cylinder
- ring
- flexible connecting
- flexible
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000011888 foil Substances 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 2
- 238000005253 cladding Methods 0.000 claims 1
- 125000003003 spiro group Chemical group 0.000 abstract description 2
- 230000005389 magnetism Effects 0.000 description 4
- 239000005030 aluminium foil Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007704 transition Effects 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
- F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
- F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
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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
- F16M11/043—Allowing translations
- F16M11/046—Allowing translations adapted to upward-downward translation movement
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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
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
- F16M11/10—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a horizontal axis
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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
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Supports Or Holders For Household Use (AREA)
Abstract
The invention relates to a hanging computer. The hanging computer includes the panel computer and hangs and establishes the subassembly, it includes flexible connecting cylinder, stereoplasm ring, thread bush and double-screw bolt to hang and establish the subassembly, the one end of flexible connecting cylinder connect in the top of panel computer, the other end is connected the stereoplasm ring, the bottom of thread bush with the stereoplasm ring rotates and connects, the internal diameter of flexible connecting cylinder is greater than the external diameter of double-screw bolt, the double-screw bolt is fixed in on the wall, the extending direction perpendicular to ground of double-screw bolt, the thread bush spiro union in order to drive on the double-screw bolt the flexible connecting cylinder cover is located on the double-screw bolt. The vertical positioning of the hanging computer is convenient.
Description
Technical Field
The invention relates to a hanging computer.
Background
As an electronic information device, a computer has become a necessary electrical appliance for offices and homes. With the development of technology, the variety of computers is gradually increasing, wherein the tablet computer is a portable computer, and can be used for communicating and playing videos for entertainment. For example, a television or movie program may be played using the tablet computer instead of a television. However, the edge of the tablet personal computer is smooth, so that the tablet personal computer is inconvenient to place and easy to fall down when being positioned vertically.
Disclosure of Invention
Therefore, a hanging computer with convenient vertical positioning is needed.
The utility model provides a hanging computer, includes the panel computer and hangs and establish the subassembly, it includes flexible connecting cylinder, stereoplasm ring, thread bush and double-screw bolt to hang and establish the subassembly, the one end of flexible connecting cylinder connect in the top of panel computer, the other end is connected the stereoplasm ring, the bottom of thread bush with the stereoplasm ring rotates and is connected, the internal diameter of flexible connecting cylinder is greater than the external diameter of double-screw bolt, the double-screw bolt is fixed in on the wall, the extending direction perpendicular to ground of double-screw bolt, the thread bush spiro union in order to drive on the double-screw bolt flexible connecting cylinder cover is located on the double-screw bolt.
In one embodiment, the rigid ring is a steel ring having an outer diameter equal to an inner diameter of the flexible connector barrel.
In one embodiment, the top peripheral edge of the flexible connector barrel is fixedly attached to the outer peripheral edge of the rigid ring.
In one embodiment, the threaded sleeve is cylindrical, an annular mounting groove is concavely formed in the peripheral wall of the threaded sleeve, and the hard ring is rotatably clamped in the annular mounting groove.
In one embodiment, the hard ring has an axis of rotation that coincides with the axis of rotation of the threaded sleeve.
In one embodiment, the flexible connector barrel has an inner diameter greater than an outer diameter of the stud.
In one embodiment, a threaded ring is arranged at one end of the flexible connecting cylinder, which is far away from the hard ring, a threaded part is arranged at the top of the tablet personal computer, and the threaded ring is screwed on the threaded part.
In one embodiment, the inner diameter of the flexible connector barrel is 1.3 times the outer diameter of the stud.
In one embodiment, a touch screen is arranged on the tablet computer, and the touch screen is a rectangular touch screen.
In one embodiment, a pattern layer is arranged on the back of the tablet computer, and a magnetic positioning block is arranged on the surface of the pattern layer.
When the hanging computer is used, the threaded sleeve is screwed on the stud, so that the flexible connecting cylinder is sleeved on the stud, the tablet computer is hung, and the tablet computer is conveniently placed vertically. When the height of the tablet personal computer needs to be adjusted, the threaded sleeve is rotated, so that the threaded sleeve can ascend or descend along the stud, and the height of the tablet personal computer is convenient to adjust.
Drawings
Fig. 1 is an exploded perspective view of a hanging computer according to an embodiment.
FIG. 2 is an exploded perspective view of the hanging computer of FIG. 1 from another perspective.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The invention relates to a hanging computer. For example, the hanging computer comprises a tablet computer and a hanging component, wherein the hanging component comprises a flexible connecting cylinder, a hard ring, a threaded sleeve and a stud. For example, one end of the flexible connecting cylinder is connected to the top of the tablet computer, the other end of the flexible connecting cylinder is connected with the hard ring, the bottom of the threaded sleeve is rotatably connected with the hard ring, the inner diameter of the flexible connecting cylinder is larger than the outer diameter of the stud, and the stud is fixed on a wall. For example, the extending direction of the stud is perpendicular to the ground, and the threaded sleeve is screwed on the stud to drive the flexible connecting cylinder to be sleeved on the stud.
Referring to fig. 1 and 2, a hanging computer 100 includes a tablet personal computer 20 and a hanging component 201, the hanging component includes a flexible connecting cylinder 21, a hard ring 22, a threaded sleeve 23 and a stud 24, one end of the flexible connecting cylinder is connected to the top of the tablet personal computer, the other end of the flexible connecting cylinder is connected to the hard ring, the bottom of the threaded sleeve is rotatably connected to the hard ring, the inner diameter of the flexible connecting cylinder is larger than the outer diameter of the stud, the stud is fixed on a wall, the extending direction of the stud is perpendicular to the ground, and the threaded sleeve is screwed on the stud to drive the flexible connecting cylinder to be sleeved on the stud.
For example, when the hanging computer is used, the threaded sleeve is screwed on the stud, so that the flexible connecting cylinder is sleeved on the stud, the tablet computer is hung, and the tablet computer is conveniently placed vertically. When the height of the tablet personal computer needs to be adjusted, the threaded sleeve is rotated, so that the threaded sleeve can ascend or descend along the stud, and the height of the tablet personal computer is convenient to adjust.
For example, in order to facilitate the lifting of the flexible connecting cylinder outside the stud, the hard ring is a steel ring, and the outer diameter of the steel ring is equal to the inner diameter of the flexible connecting cylinder. The top periphery of the flexible connecting cylinder is fixedly connected to the outer periphery of the hard ring. The thread bush is cylindrical, an annular mounting groove 231 is concavely arranged on the peripheral wall of the thread bush, and the hard ring is rotationally clamped into the annular mounting groove. The rotation axis of the hard ring is coincident with the rotation axis of the threaded sleeve. The inner diameter of the flexible connecting cylinder is larger than the outer diameter of the stud. The annular mounting groove is formed in the peripheral wall of the threaded sleeve, so that the hard ring can be conveniently mounted in the annular mounting groove, and the hard ring can drive the flexible connecting cylinder to lift outside the stud. The inner diameter of the flexible connecting cylinder is 1.3 times of the outer diameter of the stud.
For example, in order to facilitate the connection of the flexible connection tube to the tablet pc, one end of the flexible connection tube, which is far away from the hard ring, is provided with a threaded ring 211, and the top of the tablet pc is provided with a threaded portion 29, to which the threaded ring is screwed. The outer diameter of the screwing part is smaller than that of the stud. The tablet personal computer is provided with a touch screen 27 which is a rectangular touch screen. The back of the tablet computer is provided with a pattern layer, and the surface of the pattern layer is provided with a magnetic positioning block 28. The bottom end of the flexible connecting cylinder is provided with the threaded ring, and the top of the tablet personal computer is provided with the threaded part, so that the flexible connecting cylinder and the tablet personal computer can be fixed by utilizing the mutual threaded connection of the threaded part and the threaded ring. And through set up the magnetism locating piece on the pattern layer to can be with the magnetism locating piece adsorbs on the magnetizer on the wall, realize to the location of panel computer.
For example, it is particularly important that, in general, the tablet pc is in a backward-leaning state so as to be convenient for a user to view, in order to adjust a display angle of the tablet pc, the hanging computer further includes a hanging rope 41, a middle portion of the hanging rope is hung on a nail on a wall, opposite ends of the hanging rope are respectively connected to opposite sides of the tablet pc, opposite sides of the tablet pc are respectively provided with through holes 202, a connection line of the two through holes is a first connection line, the first connection line is parallel to a top edge of the tablet pc, the first connection line is parallel to a bottom edge of the tablet pc, and a distance between the first connection line and the top edge is greater than a distance between the first connection line and the bottom edge. Through adjusting the height of flexible connecting cylinder, can adjust the angle of inclination of panel computer to the show angle of preferred.
For example, in order to prevent the hanging rope from causing the shaking of the tablet computer, the hanging computer further comprises a positioning frame 40, wherein the positioning frame comprises a main body rod 42, a sleeve 43 and two pull-holding rods 44, the two pull-holding rods are arranged at one end of the main body rod, an included angle is formed between the two pull-holding rods, and sleeve hooks are arranged at the end parts of the pull-holding rods. The sleeve set up in the other end of main part pole, the sleeve cover is located on the flexible connecting cylinder, sleeve interference fit in on the flexible connecting cylinder, two the cover hook is overlapped respectively and is located hang the both ends of establishing the rope, the end of cover hook is provided with the deformation aluminium foil. The deformation aluminum foil on the sleeve hook is broken off, the hanging rope can be fixed on the sleeve hook by utilizing the deformation aluminum foil, the positioning frame can be used for positioning the distance between the hanging rope and the flexible connecting cylinder, and then the shaking of the tablet personal computer can be relatively reduced. For example, a telescopic section is disposed at the middle of the main rod, a first screw sleeve 421 and a second screw sleeve 422 are respectively rotatably disposed at opposite ends of the telescopic section, an internal thread is disposed on the first screw sleeve, an external thread is disposed on the second screw sleeve, and the first screw sleeve is sleeved on the second screw sleeve and is screwed with the second screw sleeve. The two sleeve hooks are fixed at the preset positions on the hanging rope, and then the screwing position between the first screwing sleeve and the second screwing sleeve is adjusted, so that the telescopic end can be shortened, the hanging rope is pulled, and the display angle of the tablet computer is changed. For example, in order to further prevent horizontal rocking of panel computer, still be provided with bracing piece 50 on the wall with rotating, the end of bracing piece is provided with magnetic conduction piece 51, magnetic conduction piece pass through flexible group connect in the end of bracing piece, through rotating bracing piece to suitable position, and with panel computer's magnetism locating piece adsorb on the magnetic conduction piece, thereby can assist hang and establish the rope right panel computer advances line location, flexible group helps magnetic conduction piece makes certain angle modulation, so that magnetic conduction piece with the cooperation of magnetism locating piece. The wall is provided with a pivoting base, and one end of the support rod, which is far away from the magnetic conduction block, is rotationally connected to the pivoting base, so that the support rod can rotate conveniently. The support rod is in transition connection with the pivoting base, and the positioning stability of the support rod can be ensured through the friction force between the support rod and the pivoting base, and the support rod can rotate only under the condition of being pulled by hands. For example, in an embodiment, in different rotation angles, in order to facilitate better adhesion between the magnetic positioning block and the magnetic conductive block, the magnetic conductive block is an iron ball, so that no matter how the support rod rotates, the magnetic positioning block and the magnetic conductive block are in point contact, and deflection caused by uneven magnetic attraction is avoided.
For example, in order to maintain the stability of the support rod, a spherical body 53 is disposed at one end of the support rod away from the magnetic conductive block, a spherical groove is formed in the pivot base, and the spherical body is rotatably clamped in the spherical groove. The side wall of the spherical groove is provided with a flexible ring piece, the flexible ring piece extends towards the magnetic conduction block, the inner diameter of the flexible ring piece is coated on the supporting rod, and the inner diameter of the flexible ring piece is gradually reduced along the direction far away from the spherical body.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (1)
1. A hanging computer is characterized by comprising a tablet personal computer and a hanging assembly, wherein the hanging assembly comprises a flexible connecting cylinder, a hard ring, a threaded sleeve and a stud, one end of the flexible connecting cylinder is connected to the top of the tablet personal computer, the other end of the flexible connecting cylinder is connected with the hard ring, the bottom of the threaded sleeve is rotatably connected with the hard ring, the inner diameter of the flexible connecting cylinder is larger than the outer diameter of the stud, the stud is fixed on a wall, the extending direction of the stud is perpendicular to the ground, and the threaded sleeve is screwed on the stud to drive the flexible connecting cylinder to be sleeved on the stud;
the hard ring is a steel ring, the outer diameter of the steel ring is equal to the inner diameter of the flexible connecting cylinder, the periphery of the top of the flexible connecting cylinder is fixedly connected to the outer periphery of the hard ring, the threaded sleeve is cylindrical, an annular installation groove is concavely formed in the peripheral wall of the threaded sleeve, the hard ring is rotationally clamped into the annular installation groove, the rotation axis of the hard ring coincides with the rotation axis of the threaded sleeve, the inner diameter of the flexible connecting cylinder is 1.3 times of the outer diameter of the stud, a threaded ring is arranged at one end, away from the hard ring, of the flexible connecting cylinder, a screwing part is arranged at the top of the tablet computer, the threaded ring is screwed on the screwing part, the outer diameter of the screwing part is smaller than that of the stud, a touch screen is arranged on the tablet computer, the touch screen is a rectangular touch screen, and a pattern layer is arranged on the back of the tablet computer, the surface of the pattern layer is provided with a magnetic positioning block;
the hanging computer further comprises a hanging rope, the middle of the hanging rope is hung on a nail on a wall, the two opposite ends of the hanging rope are respectively connected to the two opposite sides of the tablet computer, the two opposite sides of the tablet computer are respectively provided with a through hole, the two through holes are connected into a first connecting line, the first connecting line is parallel to the top edge of the tablet computer, the first connecting line is parallel to the bottom edge of the tablet computer, the distance between the first connecting line and the top edge is greater than the distance between the first connecting line and the bottom edge, the hanging computer further comprises a positioning frame, the positioning frame comprises a main body rod, a sleeve and two pulling rods, the two pulling rods are arranged at one end of the main body rod, an included angle is formed between the two pulling rods, sleeve hooks are arranged at the end parts of the pulling rods, and the sleeve is arranged at the other end of the main body rod, the sleeve is sleeved on the flexible connecting cylinder, the sleeve is in interference fit with the flexible connecting cylinder, the two sleeve hooks are respectively sleeved at two ends of the hanging rope, the tail ends of the sleeve hooks are provided with deformed aluminum foils, the middle part of the main body rod is provided with a telescopic section, the opposite two ends of the telescopic section are respectively and rotatably provided with a first screwed sleeve and a second screwed sleeve, the first screwed sleeve is provided with internal threads, the second screwed sleeve is provided with external threads, the first screwed sleeve is sleeved on the second screwed sleeve and is mutually screwed with the second screwed sleeve, the wall is also rotatably provided with a supporting rod, the tail end of the supporting rod is provided with a magnetic conduction block, the magnetic conduction block is connected to the tail end of the supporting rod through a flexible group, the wall is provided with a pivoting base, and one end of the supporting rod, which is far away from the magnetic conduction block, is rotatably connected to the pivoting base, the utility model discloses a pivot base, including pivot base, magnetic conduction piece, support rod, flexible ring piece, magnetic conduction piece, pivot base, flexible ring piece, the magnetic conduction piece is the iron ball, the bracing piece is kept away from the one end of magnetic conduction piece is provided with the spheroid, spherical recess has been seted up on the pivot base, the spheroid blocks with rotating the card in the spherical recess, be provided with flexible ring piece on the lateral wall of spherical recess, flexible ring piece court the magnetic conduction piece direction extends, the internal diameter cladding of flexible ring piece in on the bracing piece, the internal diameter of flexible ring piece is along keeping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811325130.7A CN109237275B (en) | 2018-11-08 | 2018-11-08 | Hanging computer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811325130.7A CN109237275B (en) | 2018-11-08 | 2018-11-08 | Hanging computer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109237275A CN109237275A (en) | 2019-01-18 |
| CN109237275B true CN109237275B (en) | 2020-07-24 |
Family
ID=65077705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811325130.7A Expired - Fee Related CN109237275B (en) | 2018-11-08 | 2018-11-08 | Hanging computer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109237275B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110609387A (en) * | 2019-09-10 | 2019-12-24 | 南京行者无疆虚拟现实技术股份有限公司 | Comprehensive safeguard system of head-mounted equipment |
| CN111828788A (en) * | 2020-07-24 | 2020-10-27 | 宁夏政安信息科技有限公司 | Secret education demonstration system for vividly demonstrating secret stealing means |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130053717A (en) * | 2011-11-16 | 2013-05-24 | 대한이피에스(주) | Monitor height adjustment device |
| JP3180036U (en) * | 2012-09-19 | 2012-11-29 | 株式会社ユビキタスエンターテインメント | Tablet computer |
| CN204025929U (en) * | 2014-07-18 | 2014-12-17 | 中国船舶重工集团公司第七一九研究所 | A kind of adjustable elastic pipe clamp |
| CN206174301U (en) * | 2016-10-10 | 2017-05-17 | 中国建筑第八工程局有限公司 | Connecting sleeve of steel bar |
| CN206669271U (en) * | 2017-04-27 | 2017-11-24 | 昌邑市创通电子科技有限公司 | A kind of supporting construction for being easy to fixed teaching projecting apparatus |
-
2018
- 2018-11-08 CN CN201811325130.7A patent/CN109237275B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN109237275A (en) | 2019-01-18 |
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Granted publication date: 20200724 Termination date: 20201108 |