CN104328875B - Guard bar - Google Patents
Guard bar Download PDFInfo
- Publication number
- CN104328875B CN104328875B CN201410671852.3A CN201410671852A CN104328875B CN 104328875 B CN104328875 B CN 104328875B CN 201410671852 A CN201410671852 A CN 201410671852A CN 104328875 B CN104328875 B CN 104328875B
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- Prior art keywords
- column
- tubular body
- sole
- cross
- cross rod
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Abstract
The invention relates to a guard bar, which comprises stand columns, cross bars, vertical bars and a handrail; the stand columns, the cross bars and the handrail are all of a hollow structure, and moreover, the cross section of each stand column, the cross section of each cross bar and the cross section of the handrail are octagonal; the stand columns and the cross bars are connected through stand column and cross bar connecting pieces; the stand columns and the handrail are connected with stand column and handrail connecting pieces; the bottom part of each stand column is connected with the mounting surface of the guard bar through a foot stand. According to the guard bar, a connecting mode between traditional stand columns and cross bars and a connecting mode between the stand columns and the handrail are changed, and therefore installation is more convenient and rapid; furthermore, as the stand column and cross bar connecting pieces and the stand column and handrail connecting pieces are arranged, the guard bar is higher in firmness, and longer in service life.
Description
Technical field
The present invention relates to building materials field, refer specifically to a kind of guardrail.
Background technology
Existing guardrail generally includes column, transverse tube and handrail, and the cross section of column is generally circular or rectangle, column and horizontal stroke
Pipe, the connected mode of column and handrail generally has two kinds: one kind is using being welded to connect, and the benefit of this connected mode is to connect
Firmly, but the engineering time is long, input cost is higher;Another kind is to be fixed by t shape connector bolt, due to existing guardrail
Mostly be metal to make, and be chronically exposed to outer, make the junction of the junction of column and handrail, column and transverse tube be all easy to because
Get rusty and damage, and bolt (or screw) is exposed to outside, affect the attractive in appearance of guardrail.
Content of the invention
The problems referred to above existing for prior art, the purpose of the present invention is: provides a kind of convenient and quick construction, low cost
And high-time guardrail.
For achieving the above object, the present invention adopts the following technical scheme that a kind of guardrail, including column, cross bar, montant with help
Handss it is characterised in that: also include column cross rod connector, column handrail connector and sole frame；Described column and cross bar are
Hollow-core construction, and the cross section of column and cross bar is octagonal；
Described column includes side column and at least one center pillar, and a side wall of described side column has column cross rod connector
Installing hole, two relative side walls of described center pillar are respectively provided with column cross rod connector installing hole；
Described column cross rod connector includes the first tubular body, and the cross section of this first tubular body is and cross bar cross section phase
Same octagonal, the right-hand member of the first tubular body is opening, and the left end of the first tubular body is blind end, closes in the first tubular body
The outside at end is provided with contiguous block, and the right-hand member of described contiguous block is fixedly connected with the outer surface on the left of the first tubular body blind end, even
Connect and projection is fixedly connected with the left end of block；The end of described cross bar and the first tubular body tight fit of column cross rod connector,
The projection of column cross rod connector passes through the column cross rod connector installing hole on column to be connected with column；
Described column handrail connector includes the second tubular body, and the cross section of this second tubular body is and column cross-section phase
With octagonal, the top of the second tubular body is sealed end, and the bottom of the second tubular body is opening, this second tubular body close
Second installing hole is had on end-blocking；The top of described column and the second tubular body tight fit of column handrail connector, second pipe
The sealed end of shape body by the second installing hole thereon and is arranged on the second installing hole interconnecting piece and is connected with handrail；
Described sole frame include the sole connecting portion for being connected with column and be arranged on below sole connecting portion be used for
The sole fixed part that guardrail installed surface connects；Described sole fixed part is provided with the 3rd installing hole, and sole fixed position is in sole
The outside of connecting portion, and sole fixed part is fixedly connected on the bottom of sole connecting portion；Described sole connecting portion is solid near sole
The cross section determining the part in portion is and column cross-section identical octagonal；Described sole connecting portion is arranged in column bottom
Side, and the inwall tight fit with column.
As optimization, described projection is in bar shaped semicylinder, and this projection is near the end face of column cross rod connector blind end
For horizontal plane, this horizontal plane is parallel with the outer surface on the left of column cross rod connector blind end, and remaining end face of projection is circle
Cambered surface；Outer surface on the left of described projection, contiguous block and column cross rod connector blind end, forms draw-in groove at contiguous block.
As optimization, described column cross rod connector blind end has the first installing hole, described first mounting hole site in
The top of contiguous block.
As optimization, described first tubular body, contiguous block and projection are integrally formed for aluminium alloy compression casting.
As optimization, the side wall of described second tubular body has the second heavy platform hole.
As optimization, described sole connecting portion is vertically arranged left and right two vertical side walls and is located at two vertical side walls
The portal structures that the lateral sidewalls at top are constituted, the left and right two ends of described lateral sidewalls respectively correspondingly with the vertical side in left and right two
The top of wall is fixedly connected.
As optimization, before two vertical side walls in described left and right are respectively provided with the front side edge of part near sole fixed part
Connect edge, left and right two vertical side walls connect edge after being respectively provided with the back side edge of part near sole fixed part；Described one
The front edge that connects is oppositely arranged, and connects along being obliquely installed with respect to corresponding vertical side walls before a pair, connect along phase after a pair
To setting, and after a pair, connection edge is obliquely installed with respect to corresponding vertical side walls.
As optimization, the front edge of described lateral sidewalls has the front limit edge extending downwardly, the back edge of lateral sidewalls
There is the rear spacing edge extending downwardly.
As optimization, the left and right two ends of described lateral sidewalls junction corresponding with left and right two vertical side walls top is respectively
There is chamfering.
As optimization, two vertical side walls in described left and right has the 4th installing hole.
With respect to prior art, the present invention has the advantage that the guardrail that the present invention provides changes existing column and horizontal stroke
Connected mode between bar, between column and handrail all, thus installing more convenient and quicker, further, since column cross rod connector
Setting with column handrail connector makes the fastness of guardrail more preferably, and useful life is longer.
Brief description
Fig. 1 is the axonometric chart of guardrail in the present invention.
Fig. 2 is the front view of guardrail in the present invention.
Fig. 3 is the upward view of guardrail in the present invention.
Fig. 4 is the side view of guardrail in the present invention
Fig. 5 is the axonometric chart of column cross rod connector.
Fig. 6 is the front view of column cross rod connector.
Fig. 7 is the left view of column cross rod connector.
Fig. 8 is the right view of column cross rod connector.
Fig. 9 is the rearview of column cross rod connector.
Figure 10 is the top view of column cross rod connector.
Figure 11 is the axonometric chart of column handrail connector.
Figure 12 is the rearview of column handrail connector.
Figure 13 is the top view of column handrail connector.
Figure 14 is the axonometric chart of sole frame.
Figure 15 is the front view of sole frame.
Figure 16 is the upward view of sole frame.
Figure 17 is the left view of sole frame.
Figure 18 is the expanded view of sole frame.
The explanation of reference: side column 10a, center pillar 10b, cross bar 20, montant 30, handrail 40；
Column cross rod connector 50, the first tubular body 51, the opening 51a of the first tubular body, the closing of the first tubular body
End 51b, contiguous block 52, projection 53, draw-in groove 54, the first installing hole 55；
Column handrail connector 60, the second tubular body 61, the sealed end 61a of the second tubular body, the second installing hole 61a-1,
The opening 61b of the second tubular body, the second heavy platform hole 62；
Sole frame 70, sole connecting portion 71, left vertical side walls 71a, right vertical side walls 71b, lateral sidewalls 71c, front limit
Along 71c-1, spacing afterwards along 71c-2, front connection, along 71d, connects along 71 e afterwards, the 4th installing hole 71 f, and sole fixed part 72 is left
Strip piece 72a, right strip piece 72b, the 3rd installing hole 72c.
Specific embodiment
Below in conjunction with the accompanying drawings the present invention is described in further detail.
In describing the invention it is to be understood that term " on ", D score, "front", "rear", "left", "right", " perpendicular
To ", " top ", " bottom " " interior ", " outward ", " wait the orientation of instruction or position relationship to be based on shown in each axonometric chart in accompanying drawing
Orientation or position relationship, be for only for ease of description the present invention and simplify description, rather than instruction or hint indication device or
Element must have specific orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.
Additionally, term " first ", " second ", " the 3rd ", " the 4th " and " the 5th " is only used for describing purpose, and it is not understood that
For indicating or implying relative importance or the implicit quantity indicating indicated technical characteristic.Thus, define " first ",
" second ", the feature of " the 3rd ", " the 4th " and " the 5th " can be expressed or implicitly include one or more this feature.
In describing the invention, " multiple " are meant that two or more, unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score
The first and second feature directly contacts can be included not to be directly contact but passes through it is also possible to include the first and second features
Between other characterisation contact.And, fisrt feature second feature " on ", that " top " and " above " include first is special
Levy directly over second feature and oblique upper, or be merely representative of fisrt feature level height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " below " include fisrt feature directly over second feature and oblique upper, or be merely representative of
Fisrt feature level height is less than second feature.
Referring to Fig. 1 to Figure 18, a kind of guardrail, including column, cross bar, montant and handrail, also include column cross rod connector,
Column handrail connector and sole frame.
Described column and cross bar are hollow-core construction, and the cross section of column and cross bar is octagonal；When specifically used,
At least include two cross bars and Duo Gen montant, the two ends of many montants are separately fixed between two cross bars.
Described column includes side column and center pillar, and a side wall of side column has column cross rod connector installing hole, described
It is respectively provided with column cross rod connector installing hole, column cross rod connector installing hole is strip on two relative side walls of center pillar
Hole, general two edge columns of inclusion and at least one middle standing pillar, the two ends of column can be all opening shape.
Referring to Fig. 5 to Figure 10, described column cross rod connector includes the first tubular body, and the cross section of this first tubular body is
With cross bar cross section identical octagonal, the cross section of the first tubular body can effectively prevent cross bar and the first tubulose for octagonal
Body rotates, and the right-hand member of the first tubular body is opening, and the left end of the first tubular body is blind end, closes in the first tubular body
The outside at end is provided with contiguous block, and the right-hand member of contiguous block is fixedly connected with the outer surface on the left of the first tubular body blind end, contiguous block
Left end on be fixedly connected with projection.The end of cross bar and the first tubular body tight fit, the projection of column cross rod connector passes through
Column cross rod connector installing hole on column is connected with column.
Projection can adopt existing structure, it is preferred to use following structure: projection is in bar shaped semicylinder, and this projection is near vertical
The end face of post cross rod connector blind end is horizontal plane, and this horizontal plane is flat with the left outer surface of column cross rod connector blind end
OK, remaining end face of projection is arc surface；Outer surface on the left of projection, contiguous block and column cross rod connector blind end,
Form draw-in groove, that is, the full-size before and after projection and the full-size before and after column cross rod connector blind end are all big at contiguous block
In the anteroposterior dimension of contiguous block, thus forming draw-in groove at contiguous block.The setting of this draw-in groove is primarily to be suitable for stud wall
Contiguous block, when being embodied as, is preferably connected to the mid portion before and after the horizontal plane described in projection by thickness, so that connecting
The depth of the draw-in groove being formed at block front and back position is identical.
First installing hole is had on column cross rod connector blind end, the first mounting hole site is in the top of contiguous block.First
The preferably heavy platform hole of installing hole, thus when installing, fixing rivet (or tapping screw) is hidden in this heavy platform in the hole, cross bar
End extend in the first tubulose body, the end face of this end can be adjacent to the inner surface of the first tubular body sealed end.Column
The outer surface of cross rod connector is additionally provided with reinforcement vertically, improves the bonding strength of cross bar and column junction.First tubulose
Body, contiguous block and projection can be integrally formed for aluminium alloy compression casting.
During installation, projection is passed through corresponding column cross rod connector installing hole on stud sides wall, then Rotary cloumn is horizontal
Joint element for bar, makes projection be stuck in the edge of two minor faces of column cross rod connector installing hole, then is fed through the first peace with rivet
Dress hole is fixed, and both can prevent connector from coming off by self-locking effect, connection can be made more firm using rivet again, connect
Intensity is high, simple operation.
The use principle of column cross rod connector is:
In assembling process, by the column cross rod connector installing hole on the wall of projection alignment post side, column cross bar is made to connect
Side stud wall at part installing hole embeds by the draw-in groove being formed between projection, contiguous block and the first tubular body blind end three
Interior, then Rotary cloumn cross rod connector, make projection be stuck in the edge of column two minor faces of cross rod connector installing hole, then pass through
Rivet through the first installing hole carries out assisting rivet clasp, in addition, first pipe is inserted from the first tubular body opening in the end of cross bar
In shape body, or cross bar is enclosed within outside the first tubular body opening, and preferably the end of cross bar inserts first from the first tubular body opening
In tubulose body, tapping screw auxiliary is then adopted to fix again.
Referring to Figure 11 to Figure 13, described column handrail connector, including the second tubular body, the cross section of this second tubular body
It is and column cross-section identical octagonal that the top of the second tubular body is sealed end, the bottom of the second tubular body is opening,
Because the cross section of handrail is typically circular or oval, therefore connect for convenience, the sealed end of the second tubular body is preferably
To recessed circular arc, the sealed end of the second tubular body is provided with the second installing hole；The top of column and the second tubular body close-fitting
Close, the sealed end of the second tubular body of column handrail connector passes through the second installing hole thereon and is arranged on the second installation in the hole
Connector, makes column handrail connector be connected with handrail, and the connector being arranged on the second installation in the hole can make rivet, self tapping spiral shell
Nail etc..Second heavy platform hole is had on the side wall of the second tubular body, by fixing rivet (or tapping screw) be hidden in this second
Heavy platform in the hole, makes the overall structure of guardrail more attractive in appearance.
The use principle of column handrail connector is:
Handrail is fitted with the sealed end of column handrail connector, and so that the column mounting holes on handrail is connected with column handrail
The second installing hole alignment on the sealed end of fitting, one rivet of insertion carries out rivet clasp (or being fixed using tapping screw),
So that column handrail connector is connected with handrail, then the upper end of column is inserted in the second tubulose body, or column is upper
End sleeve is external in the second tubulose, preferably the upper end of column is inserted in the second tubulose body, and makes the column handrail on column
Connector installing hole and second on the second tubulose body sidewall are sunk platform hole and align, and one rivet of insertion carries out assisting rivet clasp (or to adopt
Fixed with tapping screw).
Referring to Figure 14 to Figure 18, described sole frame is included the sole connecting portion for being connected with column and is arranged on sole even
It is used for the sole fixed part being connected with guardrail installed surface below socket part；Sole fixed part is provided with the 3rd installing hole, and sole is fixed
Portion is located at the outside of sole connecting portion, and sole fixed part is fixedly connected on the bottom of sole connecting portion；Sole connecting portion is close
The cross section of the part of sole fixed part is and column cross-section identical octagonal that sole connecting portion is stretched into column bottom
Inner side, the cross section of the part near sole fixed part for the sole connecting portion is octagonal, can effectively prevent sole connecting portion phase
Column is rotated, sole connecting portion is arranged on inside column bottom, and the inwall tight fit with column.
During use, sole connecting portion can be solid construction or hollow-core construction, preferably hollow-core construction, saves
Material, reduces production cost.Can be specifically following structure: sole connecting portion can be portal structures, this portal structures by
Vertically arranged left and right two vertical side walls and the lateral sidewalls composition being located at the two vertical side walls tops in left and right, lateral sidewalls
Left and right two ends are respectively correspondingly fixedly connected with the top of two vertical side walls in left and right.The left end of lateral sidewalls and left vertical side walls
The junction at top has chamfering, and the right-hand member of lateral sidewalls also has chamfering with the junction at right vertical side walls top, falls at two
The setting at angle primarily to conveniently put into the bottom inside of column by sole connecting portion.In order to be able to securely that sole is more solid
Determine portion to be connected on the installed surface of guardrail, prevent guardrail stress from rocking as much as possible, sole fixed part includes two bar shapeds in left and right
Part, wherein, left strip piece is fixedly connected with the bottom of left vertical side walls, and right strip piece is fixing with the bottom of right vertical side walls even
Connect, left strip piece and right strip piece are respectively provided with a pair the 3rd installing holes.
Left and right two vertical side walls connect edge, left and right two before being respectively provided with the front side edge of part near sole fixed part
Edge is connected after being respectively provided with the back side edge of the part near sole fixed part for the individual vertical side walls；The pair of front connection is along in opposite directions
Setting, and connect before a pair along being obliquely installed with respect to corresponding vertical side walls, connect edge after a pair and be oppositely arranged, and after a pair
Connect edge to be obliquely installed with respect to corresponding vertical side walls.Connect edge before a pair, connect edge after a pair and two vertical side walls make
The cross section of the part near sole fixed part for the sole connecting portion is octagonal.In order to be able to more firmly by the bottom of column and foot
Plate connecting portion is connected, and can also open up the 4th installing hole in two vertical side walls, and the 4th installing hole is also heavy platform hole, should
The effect in heavy platform hole is that fixing rivet (or tapping screw) is hidden in this heavy platform in the hole, makes the overall structure of guardrail more beautiful
See.
As optimization, along having the front limit edge extending downwardly, the back edge of lateral sidewalls has in the front of lateral sidewalls
The rear spacing edge extending downwardly.The setting on front limit edge and rear spacing edge primarily to preventing column stress, its bottom up
Mobile, so that column bottom and the sole connecting portion of sole frame is departed from, front limit is along the junction tool with the front edge of lateral sidewalls
There is chamfering, spacing edge and the junction of the back edge of lateral sidewalls have chamfering afterwards, and the setting of chamfering will be primarily to convenient will
Sole connecting portion puts into the bottom inside of column.In order to improve the intensity of sole frame, lateral sidewalls, left and right two vertical side walls,
Left back spacing edge, connect before a pair along, to connect edge and the left and right strip piece as sole fixed part after a pair be aluminium alloy compression casting
It is integrally formed.
The use principle of sole frame is:
First sole fixed part is placed on the installed surface of guardrail, is then fixed through sole by rivet or tapping screw
The 3rd installing hole in portion, sole fixed part is arranged on the installed surface of guardrail, then again sole connecting portion is inserted column
The inwall tight fit of bottom inside, sole connecting portion and column, then make the sole frame installing hole on column vertical with left and right two
The 4th installing hole alignment on the wall of side, insertion rivet carries out assisting rivet clasp (or being fixed using tapping screw).During use
First column can be fixed together with sole frame according to practical situation, then again sole frame is fixed on guardrail installed surface.
Finally illustrate, above example only in order to technical scheme to be described and unrestricted, although with reference to relatively
Good embodiment has been described in detail to the present invention, it will be understood by those within the art that, can be to the skill of the present invention
Art scheme is modified or equivalent, the objective without deviating from technical solution of the present invention and scope, and it all should be covered at this
The right of invention will be in book.
Claims (7)
1. a kind of guardrail, including column, cross bar (20), montant (30) and handrail (40) it is characterised in that: also include column cross bar
Connector (50), column handrail connector (60) and sole frame (70)；
Described column and cross bar (20) are hollow-core construction, and the cross section of column and cross bar (20) is octagonal；
Described column includes side column (10a) and at least one center pillar (10b), a side wall of described side column (10a) has vertical
Post cross rod connector installing hole, two relative side walls of described center pillar are respectively provided with column cross rod connector installing hole；
Described column cross rod connector (50) includes the first tubular body (51), and the cross section of this first tubular body is transversal with cross bar
Face identical octagonal, the right-hand member of the first tubular body is opening (51a), and the left end of the first tubular body is blind end (51b),
The outside of the first tubular body blind end (51b) is provided with contiguous block (52), the right-hand member of described contiguous block (52) and the first tubular body envelope
Outer surface on the left of closed end is fixedly connected, and the left end of contiguous block (52) is fixedly connected with projection (53)；Described cross bar (20)
End and the first tubular body (51) tight fit of column cross rod connector (50), the projection (53) of column cross rod connector (50) is worn
The column cross rod connector installing hole crossed on column is connected with column；
Described column handrail connector (60) includes the second tubular body (61), and the cross section of this second tubular body (61) is and column
Cross section identical octagonal, the top of the second tubular body (61) is sealed end (61a), and the bottom of the second tubular body is opening
(61b), the sealed end (61a) of this second tubular body has the second installing hole (61a-1)；The top of described column and column are helped
Second tubular body (61) tight fit of handss connector (60), the sealed end (61a) of the second tubular body passes through the second installation thereon
Hole (61a-1) and be arranged on the second installing hole (61a-1) interconnecting piece and be connected with handrail；
Described sole frame (70) is included the sole connecting portion (71) for being connected with column and is arranged under sole connecting portion (71)
Side is used for the sole fixed part (72) being connected with guardrail installed surface；Described sole fixed part (72) is provided with the 3rd installing hole
(72c), sole fixed part (72) is located at the outside of sole connecting portion (71), and sole fixed part (72) is fixedly connected on sole even
The bottom of socket part (71)；Described sole connecting portion (71) is transversal with column near the cross section of the part of sole fixed part (72)
Face identical octagonal；Described sole connecting portion (71) is arranged on inside column bottom, and the inwall tight fit with column；
Described sole connecting portion (71) is vertically arranged left and right two vertical side walls (71a, 71b) and is located at two vertical side walls
The portal structures that the lateral sidewalls (71c) at top are constituted, the left and right two ends of described lateral sidewalls (71c) respectively correspondingly with left and right
The top of two vertical side walls (71a, 71b) is fixedly connected；
Before two vertical side walls (71a, 71b) in described left and right are respectively provided with the front side edge of part of sole fixed part (72)
Connect along (71d), left and right two vertical side walls (71a, 71b) have in the back side edge of part of sole fixed part (72) respectively
Connect along (71e) after having；The pair of front edge (71d) that connects is oppositely arranged, and connects along (71d) with respect to corresponding before a pair
Vertical side walls are obliquely installed, and connect and be oppositely arranged along (71e) after a pair, and connect perpendicular with respect to corresponding along (71e) after a pair
To sidewall slope setting；
Described projection (53) is in bar shaped semicylinder, and this projection (53) is near the end face of column cross rod connector blind end (51b)
For horizontal plane, this horizontal plane is parallel with the outer surface on the left of column cross rod connector blind end (51b), remaining end of projection (53)
Face is arc surface；
Outer surface on the left of described projection (53), contiguous block (52) and column cross rod connector blind end (51b), in contiguous block
(52) place forms draw-in groove (54).
2. guardrail as claimed in claim 1 it is characterised in that: have on described column cross rod connector blind end (51b)
One installing hole (55), described first installing hole (55) is located at the top of contiguous block (52).
3. guardrail as claimed in claim 1 it is characterised in that: described first tubular body (51), contiguous block (52) and projection
(53) it is integrally formed for aluminium alloy compression casting.
4. guardrail as claimed in claim 1 it is characterised in that: the second heavy platform is had on the side wall of described second tubular body (61)
Hole (62).
5. guardrail as claimed in claim 1 it is characterised in that: the front of described lateral sidewalls (71c) extends downwardly along having
Front limit along (71c-1), the back edge of lateral sidewalls (71c) has the rear spacing edge (71c-2) extending downwardly.
6. guardrail as claimed in claim 1 it is characterised in that: the left and right two ends of described lateral sidewalls (71c) and left and right two
The corresponding junction in vertical side walls (71a, 71b) top is respectively provided with chamfering.
7. guardrail as claimed in claim 1 it is characterised in that: have on two vertical side walls (71a, 71b) in described left and right
Four installing holes (71f).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410671852.3A CN104328875B (en) | 2014-11-21 | 2014-11-21 | Guard bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410671852.3A CN104328875B (en) | 2014-11-21 | 2014-11-21 | Guard bar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104328875A CN104328875A (en) | 2015-02-04 |
| CN104328875B true CN104328875B (en) | 2017-01-18 |
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ID=52403675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410671852.3A Expired - Fee Related CN104328875B (en) | 2014-11-21 | 2014-11-21 | Guard bar |
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| Country | Link |
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| CN (1) | CN104328875B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105256742B (en) * | 2015-11-09 | 2017-10-10 | 江苏瞬通交通设施有限公司 | Connect hasp and the guardrail with the connection hasp |
| CN107034814A (en) * | 2017-05-17 | 2017-08-11 | 无锡市汤成机电配件厂 | Central road surface protection type guardrail |
| CN109518898A (en) * | 2018-12-29 | 2019-03-26 | 山东联升安全设施有限公司 | It is a kind of for connecting the connection structure of handrail and wall |
| CN113136785A (en) * | 2021-04-24 | 2021-07-20 | 浙江兴业市政工程有限公司 | Environment-friendly bridge spliced by steel structures and construction method thereof |
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| CN203603396U (en) * | 2013-12-04 | 2014-05-21 | 重庆大军建材有限公司 | Connecting piece for fixing stand column and handrail of guard bar |
| CN204299085U (en) * | 2014-11-21 | 2015-04-29 | 重庆大军建材有限公司 | A kind of guardrail |
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|---|---|---|---|---|
| KR100665573B1 (en) * | 2005-07-04 | 2007-01-09 | 동아에스텍 주식회사 | Connecting elements in balustrade |
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| CN203603596U (en) * | 2013-12-04 | 2014-05-21 | 重庆大军建材有限公司 | Connecting piece for fixing stand column and transverse pipe of guard bar |
| CN203603396U (en) * | 2013-12-04 | 2014-05-21 | 重庆大军建材有限公司 | Connecting piece for fixing stand column and handrail of guard bar |
| CN204299085U (en) * | 2014-11-21 | 2015-04-29 | 重庆大军建材有限公司 | A kind of guardrail |
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| Publication number | Publication date |
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| CN104328875A (en) | 2015-02-04 |
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