CN105387332B - Boots connector and its connection structure in high-intensitive tongue and groove square tube - Google Patents

Boots connector and its connection structure in high-intensitive tongue and groove square tube Download PDF

Info

Publication number
CN105387332B
CN105387332B CN201510930810.1A CN201510930810A CN105387332B CN 105387332 B CN105387332 B CN 105387332B CN 201510930810 A CN201510930810 A CN 201510930810A CN 105387332 B CN105387332 B CN 105387332B
Authority
CN
China
Prior art keywords
connector
square tube
notch
inner races
tubular body
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
Application number
CN201510930810.1A
Other languages
Chinese (zh)
Other versions
CN105387332A (en
Inventor
魏群
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Henan Auspic Technology Co Ltd
Original Assignee
Henan Auspic Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Henan Auspic Technology Co Ltd filed Critical Henan Auspic Technology Co Ltd
Priority to CN201510930810.1A priority Critical patent/CN105387332B/en
Publication of CN105387332A publication Critical patent/CN105387332A/en
Application granted granted Critical
Publication of CN105387332B publication Critical patent/CN105387332B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16SCONSTRUCTIONAL ELEMENTS IN GENERAL; STRUCTURES BUILT-UP FROM SUCH ELEMENTS, IN GENERAL
    • F16S3/00Elongated members, e.g. profiled members; Assemblies thereof; Gratings or grilles

Abstract

Boots connector and its connection structure in a kind of high intensity tongue and groove square tube, the interior boots connector includes one section of tubular body and an end socket, end socket is fixedly connected in the end of the tubular member of interior boots, the end socket includes the T shape convex portion with the square plate part of tubular member cross-sections match and middle part, the outer surface both ends of the T shape convex portion backboard parallel with tube column end are equipped with hinged movable rotor plate, puller bolt is equipped at the both ends of the backboard of T row protrusion, the end of bolt presses against on movable rotor plate, forms hinge structure.The connection structure includes that two high-intensitive tongue and groove square tubes and an interior boots connector, a square tube end are inserted into the tubular member of connector, in the inner races and notch of another square tube of the T shape protrusion insertion of the end socket of connector;Its edge is stuck on the corrugated plating of inner races after movable rotor plate is opened in inner races;Increase the bonding strength of the interior boots connector.

Description

Boots connector and its connection structure in high-intensitive tongue and groove square tube
Technical field
The invention mainly relates to the technical fields of cold-pressing quality steel structural shape, are specifically related to a kind of high-intensitive tongue and groove side square Boots connector and its connection structure in managing.
Background technique
Square tube is a kind of hollow strip steel, also known as flat tube, flat pipe or square flat tube.It is identical in bending resistance, torsional strength When, lighter in weight, so being widely used in manufacture machine components and engineering structure.The rectangular tube of small size in the prior art is general It is divided into the seamless square tube of hot rolling, seamless cold square tube, squeezes seamless square tube, welding square tube, the cross sectional shape of square tube is generally exactly normal Also there is the square tube of some other cross sectional shapes in recent years in the square of rule, rectangle, but there is no very big for its moment of inertia Promotion, can not significantly be reduced in the usage amount of some field steel for manufacturing machine components and engineering structure, For reducing machine components and engineering project self weight, promoting not too big improvement for intensity.
Summary of the invention
It solves the above problems to be promoted, the present invention proposes boots connector and its company in a kind of high-intensitive tongue and groove square tube Binding structure.
The technical scheme is that boots connector in a kind of high intensity tongue and groove square tube, the interior boots connector include One section of tubular body and an end socket, tubular body include the side for four connectors that steel plate bending is surrounded in rectangle, it is characterized in that: It is recessed on each side of the tubular body of the connector at least provided with a T shape of bending and molding;
It is fixedly connected with end socket in the end of the tubular body of interior boots, which includes and the cross-sections match of tubular body and connection T shape convex portion in the middle part of the square plate part and square plate part of tubular body end, the side of the square plate part of the end socket Extend outside the end of tubular body on edge;The outer surface both ends of the T shape convex portion backboard parallel with tubular body end are equipped with Hinged movable rotor plate is equipped with puller bolt at the both ends of the backboard of T shape protrusion, which is screwed into the spiral shell of backboard In hole, the end of bolt is pressed against on movable rotor plate, and movable rotor plate is enable to rotate relative to backboard, forms hinge knot Structure.
The T shape recess includes notch and inner races, and the notch of the connection includes connecting with the side of connector The two sides connect, the inner races of the connector include two sides to link together, a bottom surface and two with The two sides of the notch of connector the upper surface of are separately connected;The two sides of the connector notch are vertical with the side of connector Connection, two of the inner races of the connector are vertical with the two sides of the notch of connector respectively above to be connect, internal Slideway is rectangular.
The T shape convex portion includes the clamp and be connected to neck on square plate that outer end crosses out.
Four sides of the connector tubular body are at least company there are two transition junction between adjacent side in being Welding seam.
In a kind of high intensity tongue and groove square tube in boots connection structure, including two high-intensitive tongue and groove square tubes and one Boots connector, it is characterized in that:
At least provided with the slot of the recess of a bending and molding on each pipe side of the high-intensitive tongue and groove square tube Mouthful, the inner races that the identical and width with notch direction is greater than the bending and molding of notch are equipped with inside each notch;
The notch includes the two sides connecting with square tube side, and the inner races include linking together The two sides of two sides, a bottom surface and two and notch the upper surface of are separately connected,
The bottom surface of the inner races is clod wash corrugated plate shape;
The interior boots connector include one section of tubular body and an end socket, tubular body include steel plate bending surround in rectangle four The side of a connector is recessed on each side of the tubular body of the connector at least provided with a T shape of bending and molding;
It is fixedly connected with end socket in the end of the tubular body of interior boots, which includes and the cross-sections match of tubular body and connection T shape convex portion in the middle part of the square plate part and square plate part of tubular body end, the side of the square plate part of the end socket Extend outside the end of tubular body on edge;The outer surface both ends of the T shape convex portion backboard parallel with tubular body end are equipped with Hinged movable rotor plate is equipped with puller bolt at the both ends of the backboard of T shape protrusion, which is screwed into the spiral shell of backboard In hole, the end of bolt is pressed against on movable rotor plate, and movable rotor plate is enable to rotate relative to backboard, forms hinge knot Structure;
One square tube end is inserted into the tubular body of connector, and the T shape protrusion of the end socket of connector is inserted into another In the inner races and notch of a square tube;Its edge is stuck in the bottom of inner races after movable rotor plate is opened in inner races Face is on clod wash corrugated plating;
It is fixedly connected between square tube and interior boots connector by tapping screw.
The T shape recess of the interior boots connector includes notch and inner races, and notch includes connecting with square tube side The two sides connect, the inner races of the interior boots connector include two sides to link together, a bottom surface and two The two sides of a notch with interior boots connector the upper surface of are separately connected.
Two sides of the notch of the square tube and side of square tube is vertical connects, the inside of the square tube is sliding Two of road are vertical with the two sides of the notch of square tube respectively above to be connect, and the inner races of square tube are rectangular;
The two sides of the notch of the interior boots connector are vertical with the side of square tube to be connected, the interior boots connector Two of inner races it is vertical with the two sides of the notch of interior boots connector respectively above connect, the inside of interior boots connector is sliding Road is rectangular.
The edge of the square plate of the end socket stretches out square tube surface certain length, and the edge of the square plate of head plate is set There is screw hole, the bolt with hook is installed in the screw hole, in the notch and inner races for hanging over corresponding square tube of bolt.
The solution have the advantages that:
Boots connector in the high intensity tongue and groove square tube, side are equipped with the notch of a recess of bending and molding, The inner races that the identical and width with notch direction is greater than the bending and molding of notch, such structure design are equipped with inside notch The moment of inertia can be significantly promoted, square tube connector is consistent with the cross-sectional shape of square tube, to promote the square tube The bending resistance of connecting portion, torsional strength.
In addition the connection structure is attached by way of being set with and screw fastens, and connector can be realized factory's metaplasia It produces and live Fast Installation is fixed, significantly the present installation speed and installation quality of lifting steel structural component, reduce welding The quantity of connector.
The movable rotor plate for having installed hinge structure additional on T shape protrusion backboard, can snap onto square tube after opening In the ripple of the bottom surface of inner races, increase the bonding strength of the interior boots connector, prevents T shape protrusion sliding in the inside of square tube It skids and runs in road.
By the external bolt for installing band additional and linking up with, which can be connected with corresponding square tube it is more solid, into One promotion bonding strength.
Detailed description of the invention
Fig. 1 is the schematic view of the front view of boots connector in the high intensity tongue and groove square tube;
Fig. 2 is the A-A the schematic diagram of the section structure of the Fig. 1;
Fig. 3 is the overlooking structure diagram of Fig. 1;
Fig. 4 be boots connection structure main view in the high intensity tongue and groove square tube, be also Fig. 4 B-B cross-section structure show It is intended to;
Fig. 5 is the A-A the schematic diagram of the section structure of Fig. 4;
The vertical view that Fig. 6 is Fig. 4 regards structural schematic diagram;
Fig. 7 is the cross section structure schematic diagram of high-intensitive tongue and groove square tube in Fig. 4;
Fig. 8 is the schematic perspective view of high-intensitive tongue and groove square tube in Fig. 4;
Fig. 9 is two of boots connection structure main view in the high intensity tongue and groove square tube;
The vertical view that Figure 10 is Fig. 9 regards structural schematic diagram;
The side of boots connector in 01. in figure, the notch of boots connector in 02., inner races of boots connector in 03., The side of the notch of boots connector in 02-1., the upper surface of inner races of boots connector in 03-1., boots connector in 03-2. The sides of inner races, the bottom surface of the inner races of boots connector in 03-3., in 04. boots connector weld seam.
The side of 11. square tubes, the notch of 12. square tubes, the inner races of 13. square tubes, the side's 12-1. square in figure The side of the notch of pipe, the upper surface of the inner races of 13-1. square tube, the side of the inner races of 13-2. square tube, 13- 3. the bottom surface of the inner races of square tube, 14. square tubes weld seam,
101. the T shape of the end socket of the square plate of the end socket of the tubular body of connector, 102. connectors, 103. connectors is convex Rise, the neck of 104.T shape protrusion, the clamp of 105.T shape protrusion, 106. activity rotor plates, 107. puller bolts,
201, connector, 202. square tubes, 203. square tubes, 204. tapping screws, 205. bolts with hook, 206. envelopes The extension edge edge of head direction plate, 207. nuts.
Specific embodiment
Embodiment one: referring to Fig. 1-3, boots connector in a kind of high intensity tongue and groove square tube, which includes One section of tubular body and an end socket, tubular body include the side for four connectors that steel plate bending is surrounded in rectangle, it is characterized in that: It is recessed on each side of the tubular body of the connector at least provided with a T shape of bending and molding;
It is fixedly connected with end socket in the end of the tubular body of interior boots, which includes and the cross-sections match of tubular body and connection T shape convex portion in the middle part of the square plate part and square plate part of tubular body end, the side of the square plate part of the end socket Extend outside the end of tubular body on edge;The outer surface both ends of the T shape convex portion backboard parallel with tubular body end are equipped with Hinged movable rotor plate is equipped with puller bolt at the both ends of the backboard of T shape protrusion, which is screwed into the spiral shell of backboard In hole, the end of bolt is pressed against on movable rotor plate, and movable rotor plate is enable to rotate relative to backboard, forms hinge knot Structure.
The T shape recess includes notch and inner races, and the notch of the connection includes connecting with the side of connector The two sides connect, the inner races of the connector include two sides to link together, a bottom surface and two with The two sides of the notch of connector the upper surface of are separately connected;The two sides of the connector notch are vertical with the side of connector Connection, two of the inner races of the connector are vertical with the two sides of the notch of connector respectively above to be connect, internal Slideway is rectangular.
The T shape convex portion includes the clamp and be connected to neck on square plate that outer end crosses out.
Four sides of the connector tubular body are at least company there are two transition junction between adjacent side in being Welding seam.
Embodiment two: referring to Fig. 1-8, boots connection structure in a kind of high intensity tongue and groove square tube, including two high intensity Tongue and groove square tube and an interior boots connector, it is characterized in that:
At least provided with the slot of the recess of a bending and molding on each pipe side of the high-intensitive tongue and groove square tube Mouthful, the inner races that the identical and width with notch direction is greater than the bending and molding of notch are equipped with inside each notch;
The notch includes the two sides connecting with square tube side, and the inner races include linking together The two sides of two sides, a bottom surface and two and notch the upper surface of are separately connected,
The bottom surface of the inner races is clod wash corrugated plate shape;
The interior boots connector include one section of tubular body and an end socket, tubular body include steel plate bending surround in rectangle four The side of a connector is recessed on each side of the tubular body of the connector at least provided with a T shape of bending and molding;
It is fixedly connected with end socket in the end of the tubular body of interior boots, which includes and the cross-sections match of tubular body and connection T shape convex portion in the middle part of the square plate part and square plate part of tubular body end, the side of the square plate part of the end socket Extend outside the end of tubular body on edge;The outer surface both ends of the T shape convex portion backboard parallel with tubular body end are equipped with Hinged movable rotor plate is equipped with puller bolt at the both ends of the backboard of T shape protrusion, which is screwed into the spiral shell of backboard In hole, the end of bolt is pressed against on movable rotor plate, and movable rotor plate is enable to rotate relative to backboard, forms hinge knot Structure;
One square tube end is inserted into the tubular body of connector, and the T shape protrusion of the end socket of connector is inserted into another In the inner races and notch of a square tube;Its edge is stuck in the bottom of inner races after movable rotor plate is opened in inner races Face is on clod wash corrugated plating;
It is fixedly connected between square tube and interior boots connector by tapping screw.
The T shape recess of the interior boots connector includes notch and inner races, and notch includes connecting with square tube side The two sides connect, the inner races of the interior boots connector include two sides to link together, a bottom surface and two The two sides of a notch with interior boots connector the upper surface of are separately connected.
Two sides of the notch of the square tube and side of square tube is vertical connects, the inside of the square tube is sliding Two of road are vertical with the two sides of the notch of square tube respectively above to be connect, and the inner races of square tube are rectangular;
Embodiment three: referring to Fig. 9-10, embodiment three and embodiment two are essentially identical, and the same thing is not repeated, difference Place is that the edge of the square plate of end socket described in embodiment three stretches out square tube surface certain length, the square plate of head plate Edge be equipped with screw hole, be installed with the bolt that band is linked up in the screw hole, the notch for hanging over corresponding square tube of bolt and interior In portion's slideway.
Under the guide of design of the invention, change to notch shape, and the change to slideway shape, as long as its mesh It is consistent with the purpose of the present invention, all belong to the scope of protection of the present invention, will not repeat them here.

Claims (8)

1. boots connector in a kind of high intensity tongue and groove square tube, the interior boots connector include one section of tubular body and an end socket, Tubular body includes the side for four connectors that steel plate bending is surrounded in rectangle, it is characterized in that: the tubular body of the connector It is recessed on each side at least provided with a T shape of bending and molding;
It is fixedly connected with end socket in the end of the tubular body of interior boots, which includes the cross-sections match with tubular body and be connected to pipe The square plate part of shape body end head and the T shape convex portion in the middle part of square plate part, the edge of the square plate part of the end socket prolong It stretches out outside the end of tubular body;The outer surface both ends of the T shape convex portion backboard parallel with tubular body end are equipped with hinged Movable rotor plate, be equipped with puller bolt at the both ends of the backboard of T shape protrusion, which is screwed into the screw hole of backboard Interior, the end of bolt presses against on movable rotor plate, and movable rotor plate is enable to rotate relative to backboard, forms hinge structure.
2. boots connector in high intensity tongue and groove square tube according to claim 1, it is characterized in that: the T shape is recessed Including notch and inner races, the notch of the connection includes the two sides connecting with the side of connector, the connection The inner races of part include the two sides of two sides to link together, a bottom surface and two and the notch of connector The upper surface of be separately connected;The two sides of the connector notch are vertical with the side of connector to be connected, the connector Two of inner races are vertical with the two sides of the notch of connector respectively above to be connect, and inner races are rectangular.
3. boots connector in high intensity tongue and groove square tube according to claim 1, it is characterized in that: the T shape protrusion Part includes the clamp and be connected to neck on square plate that outer end crosses out.
4. boots connector in high intensity tongue and groove square tube according to claim 1, it is characterized in that: the connector pipe Four sides of shape body are at least attachment weld there are two transition junction between adjacent side in being.
5. boots connection structure in a kind of high intensity tongue and groove square tube, including two high-intensitive tongue and groove square tubes and an interior boots Connector, it is characterized in that:
At least provided with the notch of the recess of a bending and molding on each pipe side of the high-intensitive tongue and groove square tube, The inner races that the identical and width with notch direction is greater than the bending and molding of notch are equipped with inside each notch;
The notch includes the two sides connecting with square tube side, and the inner races include two to link together The two sides of side, a bottom surface and two and notch the upper surface of are separately connected,
The bottom surface of the inner races is clod wash corrugated plate shape;
The interior boots connector includes one section of tubular body and an end socket, and tubular body includes that steel plate bending surrounds four companies in rectangle The side of fitting is recessed on each side of the tubular body of the connector at least provided with a T shape of bending and molding;
It is fixedly connected with end socket in the end of the tubular body of interior boots, which includes the cross-sections match with tubular body and be connected to pipe The square plate part of shape body end head and the T shape convex portion in the middle part of square plate part, the edge of the square plate part of the end socket prolong It stretches out outside the end of tubular body;The outer surface both ends of the T shape convex portion backboard parallel with tubular body end are equipped with hinged Movable rotor plate, be equipped with puller bolt at the both ends of the backboard of T shape protrusion, which is screwed into the screw hole of backboard Interior, the end of bolt presses against on movable rotor plate, and movable rotor plate is enable to rotate relative to backboard, forms hinge structure;
One square tube end is inserted into the tubular body of connector, another side of the T shape protrusion insertion of the end socket of connector In the inner races and notch of quarter bend;Its edge is stuck in the bottom surface of inner races and is after movable rotor plate is opened in inner races On clod wash corrugated plating;
It is fixedly connected between square tube and interior boots connector by tapping screw.
6. boots connection structure in high intensity tongue and groove square tube according to claim 5, it is characterized in that: the interior boots connect The T shape recess of fitting includes notch and inner races, and notch includes the two sides connecting with square tube side, the interior boots The inner races of connector include the notch of two sides to link together, a bottom surface and two and interior boots connector Two sides the upper surface of be separately connected.
7. boots connection structure in high intensity tongue and groove square tube according to claim 6, it is characterized in that: the square tube Notch two sides it is vertical with the side of square tube connect, two of the inner races of the square tube above respectively with side The two sides of the notch of quarter bend vertically connect, and the inner races of square tube are rectangular;
The two sides of the notch of the interior boots connector are vertical with the side of square tube to be connected, the interior boots connector it is interior Two of portion's slideway are vertical with the two sides of the notch of interior boots connector respectively above to be connect, and the inner races of interior boots connector are It is rectangular.
8. boots connection structure in high intensity tongue and groove square tube according to claim 6, it is characterized in that: the end socket The edge of square plate stretches out square tube surface certain length, and the edge of the square plate of head plate is equipped with screw hole, is installed in the screw hole Bolt with hook, in the notch and inner races for hanging over corresponding square tube of bolt.
CN201510930810.1A 2015-12-15 2015-12-15 Boots connector and its connection structure in high-intensitive tongue and groove square tube Expired - Fee Related CN105387332B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510930810.1A CN105387332B (en) 2015-12-15 2015-12-15 Boots connector and its connection structure in high-intensitive tongue and groove square tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510930810.1A CN105387332B (en) 2015-12-15 2015-12-15 Boots connector and its connection structure in high-intensitive tongue and groove square tube

Publications (2)

Publication Number Publication Date
CN105387332A CN105387332A (en) 2016-03-09
CN105387332B true CN105387332B (en) 2019-01-22

Family

ID=55419915

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510930810.1A Expired - Fee Related CN105387332B (en) 2015-12-15 2015-12-15 Boots connector and its connection structure in high-intensitive tongue and groove square tube

Country Status (1)

Country Link
CN (1) CN105387332B (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3513382A1 (en) * 1985-04-15 1986-10-23 Moeller automation GmbH, 5303 Bornheim Load-bearing profiles for assembly installations, supporting structures and conveyor belts, and process for the production thereof
DE3513384A1 (en) * 1985-04-15 1986-11-06 Moeller automation GmbH, 5303 Bornheim Profile system for constructing assembly installations, supporting structures and conveyor belts
FR2813943A1 (en) * 2000-09-08 2002-03-15 Rafale Technologie Connector for crates of bottles comprises two collars which fit together and have grooves around their edge which fit around ends of crates
DE202005006528U1 (en) * 2005-04-22 2005-09-22 Karl Lausser Heizungsbau- und Sanitär GmbH Pilgramsberg Profile for installing cables and gas and water pipes has square cross-section, two opposite sides being pressed in to form longitudinal grooves with narrower opening which can retain head of bolt
CN203052179U (en) * 2013-01-08 2013-07-10 杭州华鼎太阳能科技有限公司 Solar photovoltaic installation steel member
CN205372050U (en) * 2015-12-15 2016-07-06 河南奥斯派克科技有限公司 Boots connecting piece in high strength tongue and groove square tube and connection structure thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3513382A1 (en) * 1985-04-15 1986-10-23 Moeller automation GmbH, 5303 Bornheim Load-bearing profiles for assembly installations, supporting structures and conveyor belts, and process for the production thereof
DE3513384A1 (en) * 1985-04-15 1986-11-06 Moeller automation GmbH, 5303 Bornheim Profile system for constructing assembly installations, supporting structures and conveyor belts
FR2813943A1 (en) * 2000-09-08 2002-03-15 Rafale Technologie Connector for crates of bottles comprises two collars which fit together and have grooves around their edge which fit around ends of crates
DE202005006528U1 (en) * 2005-04-22 2005-09-22 Karl Lausser Heizungsbau- und Sanitär GmbH Pilgramsberg Profile for installing cables and gas and water pipes has square cross-section, two opposite sides being pressed in to form longitudinal grooves with narrower opening which can retain head of bolt
CN203052179U (en) * 2013-01-08 2013-07-10 杭州华鼎太阳能科技有限公司 Solar photovoltaic installation steel member
CN205372050U (en) * 2015-12-15 2016-07-06 河南奥斯派克科技有限公司 Boots connecting piece in high strength tongue and groove square tube and connection structure thereof

Also Published As

Publication number Publication date
CN105387332A (en) 2016-03-09

Similar Documents

Publication Publication Date Title
KR101688066B1 (en) A rail bracket for green house
CN105402592B (en) The outer boots connector of high intensity tongue and groove square tube and its attachment structure
CN105387332B (en) Boots connector and its connection structure in high-intensitive tongue and groove square tube
CN204378319U (en) A kind of plug-in type desk
KR20110042655A (en) Connecting structure of cable tray
CN204923951U (en) Polymer PERT radiator
CN205278752U (en) Outer boots connecting piece of high strength tongue and groove square tube and connection structure thereof
CN205372050U (en) Boots connecting piece in high strength tongue and groove square tube and connection structure thereof
CN206129813U (en) Stand and crossbeam connection structure
CN203161817U (en) Aluminum profile connecting assembly
CN202031466U (en) Assembled aluminum art door
CN201963661U (en) Pipe end connecting joint
CN203808395U (en) Guardrail assembly
CN202797301U (en) Ring-buckling type outdoor grounding card
CN103790299B (en) For the telescopic surface pipe component of guardrail
CN203702769U (en) Guardrail
CN208939531U (en) A kind of stockbridge damper
CN103790903B (en) Guardrail
CN205548101U (en) Bedstead is got and is paid plate structure
CN206428810U (en) Tongue and groove square tube composite roof truss
CN207559912U (en) A kind of dead-weight photovoltaic system of Fast Installation
CN106948531B (en) Curtain skeleton internal connecting type bigeminy connection structure
CN204222753U (en) Thick stick is stepped in vehicle and side thereof
CN203701475U (en) Guard bar with face pipe and stand column in expansion connection
CN205089106U (en) Hinge device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190122

Termination date: 20191215