CN204081642U - The full glass guardrail of a kind of aluminium alloys - Google Patents
The full glass guardrail of a kind of aluminium alloys Download PDFInfo
- Publication number
- CN204081642U CN204081642U CN201420463571.4U CN201420463571U CN204081642U CN 204081642 U CN204081642 U CN 204081642U CN 201420463571 U CN201420463571 U CN 201420463571U CN 204081642 U CN204081642 U CN 204081642U
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- connector
- assembly
- groove
- standing pillar
- horizontal bar
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- 239000011521 glass Substances 0.000 title claims abstract description 44
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 20
- 230000000712 assembly Effects 0.000 claims abstract description 33
- 238000000429 assembly Methods 0.000 claims abstract description 33
- 239000003292 glue Substances 0.000 claims abstract description 7
- 238000002513 implantation Methods 0.000 claims abstract description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 7
- 238000001125 extrusion Methods 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 2
- 229910045601 alloy Inorganic materials 0.000 description 7
- 239000000956 alloy Substances 0.000 description 7
- 230000007797 corrosion Effects 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000010923 batch production Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The full glass guardrail of a kind of aluminium alloys, comprises columns assemblies 1, horizontal bar assembly 2, middle standing pillar assembly 3, armrest assembly 4, glass 5; Vertical middle standing pillar assembly 3 is positioned at the centre of the columns assemblies 1 of two vertical symmetry, horizontal bar assembly 2 is positioned horizontally in the lower end of middle standing pillar assembly 3 and columns assemblies 1, armrest assembly 4 is positioned horizontally in the upper end of middle standing pillar assembly 3 and columns assemblies 1, the connection at each position adopts slide block type connector to connect, glass 5 is placed in and encloses by columns assemblies 1, horizontal bar assembly 2, middle standing pillar assembly 3 and armrest assembly 4 groove port formed, surrounding implantation glass glue 6.
Description
Technical field
The utility model relates to guardrail field, especially improves the bulk strength of guardrail, corrosion protection grade and transparent effect.
Background technology
At present, in railing industry, there is the landscape type guardrail of various structures form, its intensity is general not high, and transparent effect is not obvious, and impact resistance is low, stability is poor, corrosion protection grade is low, is not easy to install and batch production, attractive in appearance not with environmental harmony.
Summary of the invention
There is provided a kind of aluminium alloys full glass guardrail, to improve guardrail overall construction intensity and stability, improve impact resistance and corrosion protection grade, be convenient to quick installation and production in enormous quantities, overall structure adopts plug-in type, improves aesthetic.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: the full glass guardrail of a kind of aluminium alloys, comprise columns assemblies, horizontal bar assembly, middle standing pillar assembly, armrest assembly, glass, columns assemblies is symmetrical in the both sides of middle standing pillar assembly, horizontal bar assembly is positioned at the lower end of columns assemblies and middle standing pillar assembly, armrest assembly is positioned at the upper end of columns assemblies and middle standing pillar assembly, and glass snaps in the draw-in groove of each assembly formation.
Described columns assemblies comprises column, press strip, base connection, connector, stop screw, described column is hollow closed aluminium alloy extrusions, inner side is provided with reinforcing rib, improve intensity, the one side in outside is provided with step and notch, the corner of step is provided with extension limit, the face vertical with step and another side are provided with installing hole, arc groove is equipped with in two sides, described base connection is a steel plate is welded with one section of rectangular tube, screwed hole is provided with in the two sides of tubing, described connector is U-shaped slide block, screwed hole is provided with in two sides, draw-in groove and spacing screwed hole is provided with at another side, the rectangular tube of base connection inserts the corresponding inner chamber of column, position, hole is corresponding, screw is connected with rectangular tube screwed hole on base connection through column.Press strip inserts notch corresponding outside column and column closely fastens, outside fastening rear and column, step forms U-type groove mouth, connector slips into the U-type groove mouth after formation, the draw-in groove that connector is established and notch correspondence, after determining position, stop screw is spacing through the spacing screwed hole that connector is established, and improves stability.
Described middle standing pillar assembly comprises middle standing pillar, press strip, described middle standing pillar cross section is " convex " font hollow body aluminium alloy extrusions, corner is provided with extension limit, notch is provided with in the two sides of boss, the corresponding two sides of boss is provided with the groove of installing hole and circular arc, press strip inserts the notch established of middle standing pillar boss two sides and closely fastens with middle standing pillar, fastens afterwards and boss forms two U-type groove mouths.
Described horizontal bar assembly comprises horizontal bar, connector, stop screw, described horizontal bar cross section is " recessed " font hollow body section bar, inner chamber is provided with reinforcing rib, and improve intensity, notch place is provided with extension limit, two sides are provided with installing hole, connector slips into the groove port of horizontal bar, and the draw-in groove of connector and horizontal bar groove port correspondence, slide after determining position, stop screw is spacing through the spacing screwed hole that connector is established, and improves stability.
Described armrest assembly comprises handrail, connector, stop screw, and the cross section of described handrail is flat ellipse pipe, and inner side is provided with reinforcing rib, improve intensity, the plane of side is provided with groove, and groove has excessive step, and corner is provided with extension limit, opposite side plane and two symmetrical cambered surfaces are provided with arc groove, connector is slipped into the groove port of handrail, the draw-in groove of connector and groove port correspondence, slide after determining position, stop screw is spacing through the spacing screwed hole that connector is established, and improves stability.
Two root post assembly Symmetrical vertical are in the two ends of middle standing pillar assembly and transverse beam assembly, connector in columns assemblies is inserted inner chamber corresponding to horizontal bar assembly two ends, after the correspondence of position, hole, screw is connected with the screwed hole on connector through horizontal bar, connector on the inner chamber insertion horizontal bar assembly that middle standing pillar assembly lower end is corresponding, after the correspondence of position, hole, screw is connected with the screwed hole on connector through middle standing pillar installing hole, glass is inserted into columns assemblies from top to bottom, horizontal bar assembly, in the U-type groove mouth that middle standing pillar assembly is formed, connector on armrest assembly inserts the corresponding inner chamber of two ends columns assemblies and middle standing pillar assembly upper end respectively, after the correspondence of position, hole, screw is through column, middle standing pillar installing hole is connected with the screwed hole on connector, glass and columns assemblies, middle standing pillar assembly, horizontal bar assembly, there is certain gap in the edge of armrest assembly, implantation glass glue in gap, improve impact resistance.
There is the assembling of a kind of turning in above form of structure, two sides inside the turning of turning column is equipped with step and notch, press strip inserts in the notch of column side, turning, closely fasten with turning column, be located at step and press strip form two U-shaped groove port of column both sides, turning, connector slips in U-type groove mouth, slide with after determining position, stop screw is spacing through the spacing screwed hole that connector is established, improve stability, connector is inserted in the termination of horizontal bar, after the correspondence of position, hole, screw is connected with the screwed hole on connector through the installing hole on horizontal bar, described turning column is the hollow body structure that two adjacent surfaces of box section are provided with boss and notch, inwall is provided with reinforcing rib, corner is provided with extension limit, to improve the bulk strength of structure, two sides are equipped with the groove of band radian in addition.
The utility model provides a kind of aluminium alloys full glass guardrail, and realize complete modular construction between each assembly, column, horizontal bar, handrail inner chamber and corner are provided with reinforcing rib and extension limit, improve integrally-built intensity.Impact resistance is effectively raised at the gap location implantation glass glue of glass and skeleton after installation.Overall structure adopts plug-in type, achieves fast-type and installs.All section bars adopt extruded, are conducive to producing in enormous quantities.Without the need to perforate on glass, without connector, achieve maximum transparent effect, with environmental harmony, improve aesthetic.Section bar adopts L6061 alloy, and base material has high corrosion protection.
Accompanying drawing explanation
Below in conjunction with accompanying drawing and example, the utility model is described in further detail.
Fig. 1 is perspective view of the present utility model.
Fig. 2 is schematic front view of the present utility model.
Fig. 3 is schematic side view of the present utility model.
Fig. 4 is elevational schematic view of the present utility model.
Fig. 5 is the A-A place cutaway view Amplified image of Fig. 2.
Fig. 6 is the B-B place cutaway view Amplified image of Fig. 2.
Fig. 7 is the C-C place cutaway view Amplified image of Fig. 2.
Fig. 8 is the D-D place cutaway view Amplified image of Fig. 2.
Fig. 9 is the E-E place cutaway view Amplified image of Fig. 2.
Figure 10 is the utility model turning connection diagram.
Description of symbols in figure: columns assemblies 1, horizontal bar assembly 2, middle standing pillar assembly 3, armrest assembly 4, glass 5, glass cement 6, base connection 7, screw 8, column 9, press strip 10, connector 11, stop screw 12, horizontal bar 13, middle standing pillar 14, handrail 15, turning column 16.
Detailed description of the invention
As in Fig. 1 ~ 2, the full glass guardrail of a kind of aluminium alloys, comprises columns assemblies 1, horizontal bar assembly 2, middle standing pillar assembly 3, armrest assembly 4, glass 5, turning column 16; Middle standing pillar assembly 3 is placed in the centre of two symmetrical columns assemblies 1, horizontal bar assembly 2 is positioned at the lower end of middle standing pillar assembly 3 and columns assemblies 1, armrest assembly 4 is positioned at the upper end of middle standing pillar assembly 3 and columns assemblies 1, each position connects employing slide block type connector 11 and connects, glass 5 is placed in and encloses by columns assemblies 1, horizontal bar assembly 2, middle standing pillar assembly 3 and armrest assembly 4 groove port formed, surrounding implantation glass glue 6.
As in Fig. 2 ~ 6, described columns assemblies 1 comprises base connection 7, column 9, press strip 10, connector 11, stop screw 12, as in Fig. 5, described basis connects the rectangular tube that 7 are provided with welding, screwed hole is provided with in the side of tubing, described column 9 is hollow closed aluminium alloy extrusions, material is L6061 alloy, inwall is provided with reinforcing rib, to improve intensity, the one side in outside is provided with step and notch, other faces are provided with the groove of circular arc, corner is provided with extension limit, the two sides vertical with step are provided with installing hole, described press strip 10 is U-shaped material, opening part is respectively equipped with outside rectangle draw-in groove and polygon draw-in groove, be provided with extension limit around the corner, material adopts L6061 alloy, as in Fig. 8 ~ 9, described connector 11 is U-shaped slide block, screwed hole is provided with in two sides, draw-in groove and spacing screwed hole is provided with at horizontal plane, as in Fig. 5 ~ 6, the rectangular tube of described base connection 7 inserts the inner chamber of column 9 correspondence, position, hole is corresponding, screw 8 is connected with the screwed hole of rectangular tube side on base connection 7 through column 9, the draw-in groove of press strip 10 inserts the notch of column 9 side, tight fastening, U-type groove mouth is formed with the step of column 9 side, the draw-in groove of connector 11 slips into the U-type groove mouth that press strip 10 forms with column 9 side step, slide to determine position, stop screw 12 compresses spacing through the spacing screwed hole on connector 11 and column 9, by spacing raising stability.
As in Fig. 2, Fig. 9, described horizontal bar assembly 2 comprises horizontal bar 13, connector 11, stop screw 12, as in Fig. 6, Fig. 9, described horizontal bar 13 is one " recessed " font closed profiles, and material is L6061 alloy, and inwall is provided with reinforcing rib, to improve intensity, notch corner is provided with extension limit, and two sides are provided with the groove of installing hole and circular arc, as in Fig. 9, the draw-in groove of described connector 11 slips into the groove port of horizontal bar 13, slide to determine position, stop screw 12 compresses spacing, by spacing raising stability through the spacing screwed hole on connector 11 and crossbeam 13.
As in Fig. 2, Fig. 7, described middle standing pillar assembly 3 comprises middle standing pillar 14, press strip 10, as in Fig. 7, described middle standing pillar 14 is one " convex " font closed profiles, and material is L6061 alloy, inwall is provided with reinforcing rib, improve intensity, boss two sides are provided with notch, and corner is provided with extension limit, boss and corresponding surface are provided with installing hole and arc groove, the draw-in groove of press strip 10 inserts the notch of middle standing pillar 14 boss two sides, closely fastens, forms two U-type groove mouths with the boss two sides of middle standing pillar 14.
As in Fig. 2, Fig. 3, Fig. 8, described armrest assembly 4 comprises handrail 15, connector 11, stop screw 12, as in Fig. 8, described handrail 15 is that a groove puts down ellipse pipe, and material is L6061 alloy, and groove is provided with excessive step, corner is provided with extension limit, inwall is provided with reinforcing rib, improves intensity, arc surface and plane are equipped with arc groove, the draw-in groove of connector 11 slips into the groove port of handrail 15, slide to determine position, stop screw 12 compresses spacing, by spacing raising stability through the spacing screwed hole on connector 11 and handrail 15.
As in Fig. 2 ~ 9, the connector 11 in two symmetrical columns assemblies 1 is inserted at the two ends of horizontal bar assembly 2, position, hole is corresponding, screw 8 is connected with the screwed hole on connector 11 through horizontal bar 13, one end of middle standing pillar assembly 3 is inserted into the connector 11 on horizontal bar assembly 2, position, hole is corresponding, screw 8 is connected with the screwed hole on connector 11 through middle standing pillar 14, middle standing pillar assembly 3 can be accepted or rejected according to actual conditions, connector 11 on armrest assembly 4 is inserted into the upper port of the columns assemblies 1 of middle standing pillar assembly 3 and both sides respectively, after the correspondence of position, hole, screw 8 is each passed through middle standing pillar 14, column 9 is connected with connector 11, glass 5 inserts by columns assemblies 1, horizontal bar assembly 2, middle standing pillar assembly 3 is connected in the U-type groove mouth of rear formation with armrest assembly 4, glass 5 and notch leave certain interval, implantation glass glue 6, to improve impact resistance, or, buckle into again after insertion glass 5 and compress press strip 10, it is advantageous that, do not need to insert glass 5 from top to bottom, be beneficial to installation, reduce labor intensity, multiple inserted mode facilitates the flexibility in engineering construction, without the need to perforate when glass 5 is installed, improve installation effectiveness, the connection of glass 5, without the need to glass mounting bracket, makes transparent effect maximize, and arranges in pairs or groups elegant in appearance with environment.
There is the installation of a kind of turning column form in this form of structure, as Figure 10, described turning column 16 is aluminium alloys box section, its two adjacent side is equipped with the hollow body structure of boss and notch, inwall is provided with reinforcing rib, corner is provided with extension limit, to improve the intensity of structure, press strip 10 inserts in the notch of turning column 16 two sides, be located at boss on turning column 16 and press strip 10 forms two U-type groove mouths, connector 11 slips in U-type groove mouth, slide to determine position, stop screw 12 is spacing through the spacing screwed hole of connector, by spacing raising stability, connector 11 is inserted in the termination of horizontal bar 13, after screwed hole on connector 11 is corresponding with the installing hole of both sides on horizontal bar 13, screw 8 is connected with the screwed hole on connector 11 through the installing hole on horizontal bar 13, form the turning formed with turning column 16 and horizontal bar 13 to be thus connected, be conducive to the installation under the environment of turning.
All profile materials adopt L6061 alloy, and base material itself has high-grade corrosion protection, adopts extruded, are convenient to batch production.
The above embodiments are only optimal technical scheme of the present utility model; and should not be considered as restriction of the present utility model; the technical scheme that protection domain of the present utility model should be recorded with claim; the equivalents comprising technical characteristic in the technical scheme of claim record is protection domain; namely the equivalent replacement within the scope of this improves, also within protection domain of the present utility model.
Claims (7)
1. the full glass guardrail of aluminium alloys, is characterized in that: comprise columns assemblies (1), horizontal bar assembly (2), middle standing pillar assembly (3), armrest assembly (4), glass (5), turning column (16); Middle standing pillar assembly (3) is placed in the centre of two symmetrical columns assemblies (1), horizontal bar assembly (2) is positioned at the lower end of middle standing pillar assembly (3) and columns assemblies (1), armrest assembly (4) is positioned at the upper end of middle standing pillar assembly (3) and columns assemblies (1), each position connects employing slide block type connector (11) and connects, glass (5) is placed in and encloses by columns assemblies (1), horizontal bar assembly (2), middle standing pillar assembly (3) and armrest assembly (4) groove port formed, surrounding implantation glass glue (6).
2. glass guardrail expired by a kind of aluminium alloys according to claim 1, it is characterized in that: described columns assemblies (1) comprises base connection (7), column (9), press strip (10), connector (11), stop screw (12), described basis connects the rectangular tube that (7) are provided with welding, screwed hole is provided with in the side of tubing, described column (9) is hollow closed aluminium alloy extrusions, inwall is provided with reinforcing rib, the one side in outside is provided with step and notch, other faces are provided with small arc-shaped groove, corner is provided with extension limit, the two sides vertical with step is provided with installing hole, described press strip (10) is U-shaped material, opening part is respectively equipped with outside rectangle draw-in groove and polygon draw-in groove, be provided with extension limit around the corner, described connector (11) is U-shaped slide block, screwed hole is provided with in two sides, draw-in groove and spacing screwed hole is provided with at horizontal plane, the rectangular tube of described base connection (7) inserts inner chamber corresponding to column (9), position, hole is corresponding, screw (8) is connected through the screwed hole of the upper rectangular tube side of column (9) and base connection (7), the draw-in groove of press strip (10) buckles into the notch of column (9) side, tight fastening, U-type groove mouth is formed with the step of column (9) side, the draw-in groove of connector (11) slips into the U-type groove mouth that press strip (10) forms with column (9) side step, slide to determine position, stop screw (12) compresses spacing through the spacing screwed hole on connector (11) and column (9).
3. glass guardrail expired by a kind of aluminium alloys according to claim 1, it is characterized in that: described horizontal bar assembly (2) comprises horizontal bar (13), connector (11), stop screw (12), described horizontal bar (13) is " recessed " font closed profiles, inwall is provided with reinforcing rib, notch corner is provided with extension limit, two sides are provided with the groove of installing hole and circular arc, the draw-in groove of described connector (11) slips into the groove port of horizontal bar (13), slide to determine position, stop screw (12) compresses spacing through the spacing screwed hole on connector (11) and crossbeam (13).
4. glass guardrail expired by a kind of aluminium alloys according to claim 1, it is characterized in that: described middle standing pillar assembly (3) comprises middle standing pillar (14), press strip (10), described middle standing pillar (14) is " convex " font closed profiles, inwall is provided with reinforcing rib, boss two sides are provided with notch, corner is provided with extension limit, boss and corresponding surface are provided with installing hole and small arc-shaped groove, the draw-in groove of press strip (10) buckles into the notch of middle standing pillar (14) boss two sides, tight fastening, wherein, the quantity of press strip (10) is 2, two U-type groove mouths are formed with the boss two sides of middle standing pillar (14).
5. glass guardrail expired by a kind of aluminium alloys according to claim 1, it is characterized in that: described armrest assembly (4) comprises handrail (15), connector (11), stop screw (12), described handrail (15) puts down ellipse pipe for groove, groove is provided with excessive step, corner is provided with extension limit, inwall is provided with reinforcing rib, arc surface and plane are equipped with small arc-shaped groove, the draw-in groove of connector (11) slips into the groove port of handrail (15), slide to determine position, stop screw (12) compresses spacing through the spacing screwed hole on connector (11) and handrail (15).
6. glass guardrail expired by a kind of aluminium alloys according to claim 1, it is characterized in that: the connector (11) in two symmetrical columns assemblies (1) is inserted at the two ends of horizontal bar assembly (2), position, hole is corresponding, screw (8) is connected with the screwed hole on connector (11) through horizontal bar (13), one end of middle standing pillar assembly (3) is inserted into the connector (11) on horizontal bar assembly (2), position, hole is corresponding, screw (8) is connected with the screwed hole on connector (11) through middle standing pillar (14), middle standing pillar assembly (3) can be accepted or rejected according to actual conditions, connector (11) on armrest assembly (4) is inserted into the upper port of the columns assemblies (1) of middle standing pillar assembly (3) and both sides respectively, after the correspondence of position, hole, screw (8) is each passed through middle standing pillar (14), column (9) is connected with connector (11), glass (5) inserts by columns assemblies (1), horizontal bar assembly (2), in the U-type groove mouth formed after middle standing pillar assembly (3) is connected with armrest assembly (4), glass (5) and notch leave certain interval, at gap location implantation glass glue (6).
7. glass guardrail expired by a kind of aluminium alloys according to claim 1, it is characterized in that: this form of structure exists the installation of a kind of turning column form, described turning column (16) is aluminium alloys box section, its two adjacent side is equipped with the hollow body structure of boss and notch, inwall is provided with reinforcing rib, corner is provided with extension limit, to improve the intensity of structure, press strip (10) buckles in the notch of turning column (16) two sides, be located at boss on turning column (16) and press strip (10) forms two orthogonal U-type groove mouths, connector (11) slips in U-type groove mouth, slide to determine position, stop screw (12) is spacing through the spacing screwed hole of connector, by spacing raising stability, connector (11) is inserted in the termination of horizontal bar (13), after screwed hole on connector (11) is corresponding with the installing hole of the upper both sides of horizontal bar (13), screw (8) is connected with the screwed hole on connector (11) through the installing hole on horizontal bar (13), form the turning formed with turning column (16) and horizontal bar (13) to be thus connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420463571.4U CN204081642U (en) | 2014-08-18 | 2014-08-18 | The full glass guardrail of a kind of aluminium alloys |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420463571.4U CN204081642U (en) | 2014-08-18 | 2014-08-18 | The full glass guardrail of a kind of aluminium alloys |
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| Publication Number | Publication Date |
|---|---|
| CN204081642U true CN204081642U (en) | 2015-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420463571.4U Expired - Fee Related CN204081642U (en) | 2014-08-18 | 2014-08-18 | The full glass guardrail of a kind of aluminium alloys |
Country Status (1)
| Country | Link |
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| CN (1) | CN204081642U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105155792A (en) * | 2015-09-18 | 2015-12-16 | 鹤山市金科达五金制品有限公司 | Guard fence convenient to install |
| CN105220787A (en) * | 2015-10-30 | 2016-01-06 | 湖南省金为型材有限公司 | For the glass fire wall of bottom, closed building hole |
| CN109676256A (en) * | 2017-10-19 | 2019-04-26 | 丹阳宏图激光科技有限公司 | A kind of laser welding stainless steel handrail and its manufacturing method |
| CN111894347A (en) * | 2020-09-10 | 2020-11-06 | 湖北美力防护设施科技有限公司 | Full screen glass protector |
-
2014
- 2014-08-18 CN CN201420463571.4U patent/CN204081642U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105155792A (en) * | 2015-09-18 | 2015-12-16 | 鹤山市金科达五金制品有限公司 | Guard fence convenient to install |
| CN105155792B (en) * | 2015-09-18 | 2018-06-22 | 鹤山市金科达五金制品有限公司 | A kind of guardrail being easily installed |
| CN105220787A (en) * | 2015-10-30 | 2016-01-06 | 湖南省金为型材有限公司 | For the glass fire wall of bottom, closed building hole |
| CN109676256A (en) * | 2017-10-19 | 2019-04-26 | 丹阳宏图激光科技有限公司 | A kind of laser welding stainless steel handrail and its manufacturing method |
| CN109676256B (en) * | 2017-10-19 | 2021-07-16 | 丹阳宏图激光科技有限公司 | Laser welding stainless steel handrail and manufacturing method thereof |
| CN111894347A (en) * | 2020-09-10 | 2020-11-06 | 湖北美力防护设施科技有限公司 | Full screen glass protector |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150107 |
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| CF01 | Termination of patent right due to non-payment of annual fee |