CN207229563U - The keyhole connector and its component taken root for the welding of antidetonation brace - Google Patents
The keyhole connector and its component taken root for the welding of antidetonation brace Download PDFInfo
- Publication number
- CN207229563U CN207229563U CN201720989224.9U CN201720989224U CN207229563U CN 207229563 U CN207229563 U CN 207229563U CN 201720989224 U CN201720989224 U CN 201720989224U CN 207229563 U CN207229563 U CN 207229563U
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- Prior art keywords
- brace
- connecting plate
- antidetonation
- bolt
- connector
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- 238000003466 welding Methods 0.000 title claims abstract description 32
- 125000003003 spiro group Chemical group 0.000 claims description 2
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- 238000000034 method Methods 0.000 description 6
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- 238000010276 construction Methods 0.000 description 5
- 230000035939 shock Effects 0.000 description 5
- 230000000116 mitigating Effects 0.000 description 3
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- 238000002474 experimental method Methods 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 230000003100 immobilizing Effects 0.000 description 1
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Abstract
The utility model discloses a kind of keyhole connector and its component taken root for the welding of antidetonation brace, specifically, the connector includes weld part, weld part includes two welded plates, each welded plate is equipped with the upper surface for being used for being welded and fixed, first surface and second surface, upper surface are equipped with angle with the part that first surface and second surface are connected, and two welded plates are parallel to each other and oppose；And brace connecting plate, brace connecting plate are a rectangle plate, brace connecting plate is equipped with a bolt hole, brace connecting plate is fixed between two welded plates, and and, brace connecting plate and upper surface angle α perpendicular with two welded plates, wherein, 30 °≤α≤60 °；Bolt hole is used to be fixedly connected with antidetonation brace progress bolt.The utility model is simple in structure, easy for installation, and than the conventional keyhole connector intensity raising more than 30% for being used for the welding of antidetonation brace and taking root, and production cost is low.
Description
Technical field
Building and seismic resistance field are the utility model is related to, more particularly to the seismic support for building electromechanical engineering facility
Universal component, more particularly relate to the welding of antidetonation brace the keyhole connector and its component taken root.
Background technology
In order to defend and earthquake disaster mitigation, people's life and property safety are protected, promotes the sustainable development of economic society
Exhibition,《People's Republic of China's protection against and mitigation of earthquake disasters method》Regulation：Protection against and mitigation of earthquake disasters work, effect prevention based on, defence be combined with relief
Policy；Designing unit should carry out Aseismic Design according to requirements for fortification against earthquake and engineering construction mandatory standard, and to antidetonation
The accuracy of the quality of design and the Shop Drawing Design Document IT Application provided is responsible for.
《Build electromechanical engineering earthquake resistant design code》Middle regulation seismic fortification intensity is 6 degree and more than 6 degree regional buildings
Electromechanical engineering (including water supply and drainage, heating, ventilation, air-conditioning, combustion gas, heating power, electric power, communication, fire-fighting etc.) must carry out antidetonation
Design.
At present, there are considerable part pipeline, air passage and cable testing bridge system in domestic industry, architectural engineering some do not have antidetonation
Facility.Although employing antidetonation suspension and support in some engineerings, many shortcomings are still suffered from, including：Modular construction compared with
Complexity, installation are inconvenient；The intensity of antidetonation suspension and support (or being antidetonation hanger) some components is relatively low；The structure of antidetonation suspension and support
It is unreasonable, cause anti-seismic performance unsatisfactory etc..
By taking connector as an example, the current general connector being connected with brace includes hinge connector and antidetonation seat is connected
Part.However, the hinge connector often has the part of 90 ° of distortions, therefore cause the machinery at twist part or distortion strong
Spend relatively low, the intensity of link portions is relatively low in addition, it is difficult to reaches gratifying anti seismic efficiency.
In conclusion there is an urgent need in the art to develop a kind of use simple in structure, easy for installation and with excellent shock resistance
In the connector of antidetonation hanger.
Utility model content
The purpose of this utility model is to provide a kind of simple in structure, easy for installation and be used for antidetonation with excellent shock resistance
The connector of hanger.
In the first aspect of the utility model, there is provided a kind of keyhole connector taken root for the welding of antidetonation brace, tool
Body, which includes weld part, and weld part includes two welded plates, and each welded plate is equipped with the upper table for being used for being welded and fixed
Face, first surface and second surface, the part that the part and upper surface that upper surface is connected with first surface are connected with second surface
Angle is equipped with, two welded plates are parallel to each other and oppose；And brace connecting plate, brace connecting plate are a rectangular slab
Part, brace connecting plate are equipped with a bolt hole, and brace connecting plate is fixed between two welded plates, and and mutually hang down with two welded plates
Directly, brace connecting plate and upper surface angle α, wherein, 30 °≤α≤60 °；Brace connecting plate is equipped with inner surface and appearance
Face, bolt hole are used to be fixedly connected with antidetonation brace progress bolt, circular cone of the bolt hole by outward opening and cone-apex angle for β
Face is connected with inner surface, and bolt hole is connected by a cylindrical surface with outer surface, and also there is bolt hole optional being located to justify
Transition face between the conical surface and cylindrical surface, wherein, 105 °≤β≤135 °.
In another preference, the cross sectional shape of the upper surface equipped with angle is isosceles trapezoid.
In another preference, weld part and brace connecting plate are integral or integrally formed.
In another preference, two welded plates are that rounding off connects with brace connecting plate.
In another preference, the lower part of welded plate is " V " shape structure, wherein, brace connecting plate is fixedly connected on " V " shape
Structure left or right side.
In another preference, in " V " shape structure, the side length being connected with brace connecting plate is L1, not with tiltedly
The side length that bar connecting plate is connected is L2, and L1＜ L2。
In another preference, the left surface of " V " shape structure and the right flank angle of " V " shape structure are γ, wherein,
75°≤γ≤125°。
In another preference, welded plate and brace connecting plate are slab construction.
In another preference, spiro keyhole position is in the middle part of brace connecting plate.
In the second aspect of the utility model, there is provided a kind of antidetonation brace welds take root component, specifically, the component bag
Include a) the above-mentioned keyhole connector for being used for the welding of antidetonation brace and taking root；B) antidetonation brace, one end of antidetonation brace are equipped with bolt,
Brace axis pin is used to carrying out " bolt-screw hole " with the bolt hole of brace connecting plate be connected, wherein, bolt successively through cylindrical surface with
Circular conical surface；C) spheric washer, spheric washer and bolt match, bolt by spheric washer and the conical surface contact of bolt hole,
Form revolute pair；And d) nut, bolt stretching bolt hole, and fastened by nut.
It is to be understood that in the scope of the utility model, above-mentioned each technical characteristic of the utility model and below (such as implementation
Example) in specifically describe each technical characteristic between can be combined with each other, so as to form new or preferable technical solution.It is limited to
Length, not repeated them here.
Brief description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art does and simply introduces, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is the front view for being used for the keyhole connector that the welding of antidetonation brace is taken root in one example of the utility model；
Fig. 2 is the top view for being used for the keyhole connector that the welding of antidetonation brace is taken root in one example of the utility model；
Fig. 3 is the left view for being used for the keyhole connector that the welding of antidetonation brace is taken root in one example of the utility model；
Fig. 4 is the sectional view for being used for the keyhole connector that the welding of antidetonation brace is taken root in one example of the utility model；
Fig. 5 is the perspective view for being used for the keyhole connector that the welding of antidetonation brace is taken root in one example of the utility model.
In attached drawing, each sign is as follows：
C102：The keyhole connector taken root for the welding of antidetonation brace；
B1：Welded plate；
B2：Brace connecting plate；
S：Upper surface；
K012：Bolt hole.
Embodiment
The present inventor, by largely screening and optimizing, it is new to develop a nested structure first by in-depth study extensively
The component and component of antidetonation hanger clever, suitable for building electromechanical engineering facility and every profession and trade process pipe, and using institute
State the antidetonation hanger structure of component and/or component.The component and/or component for antidetonation hanger of the utility model includes structure
Unique connector and adjustable rod sub-assembly etc.., can be with by the component and/or component for antidetonation hanger of the utility model
Be easily assembled into shock strength significantly improve, light structure, safe and reliable all kinds of antidetonation hangers, complete on this basis
The utility model.
Specifically, for connector, what is be connected with the connector of the utility model includes (but being not limited to)：For list
The bolt connection piece of antidetonation brace, bolt connection piece, the bolt for bilateral monoclonal antibody shake brace for unilateral dual anti-shake brace
Connector, the bolt connection piece for the dual anti-shake brace of bilateral, the connector for the dual anti-shake brace in longitudinal direction, for multidirectional more anti-
Shake connector of brace etc..
Term
As used herein, term " antidetonation hanger ", " antidetonation suspension and support " are used interchangeably, refer to electromechanical equipment and pipeline into
The important earthquake resistant construction that row is effectively protected, it is formed is made of anchoring body, reinforcing sunpender, antidetonation connecting elements and antidetonation diagonal brace.
As used herein, term " antidetonation diagonal brace (bracing component) ", " antidetonation brace ", " brace ", " diagonal brace "
It is used interchangeably, refers in antidetonation hanger, geological process power (predominantly horizontal applied force) is passed to the oblique branch of building structure
Support part part.Tightened it is to be understood that the antidetonation diagonal brace includes rigid support and flexibility, especially rigid support.
As used herein, term " keyhole ", " bolt hole " are used interchangeably, and refer to the through hole being attached with bolt.
It should be noted that in the claim and specification of this patent, such as first and second or the like relation
Term is used merely to distinguish one entity or operation from another entity or operation, without necessarily requiring or implying
There are any actual relationship or order between these entities or operation.Such as " on ", " under ", "left", "right", " interior "
Or the position of " outer " when position relational terms are to be used relative to the connector or component of the utility model after assembling
For relation, these position relationship terms are only to state conveniently, are allowed to be easier to understand.Moreover, term " comprising ", "comprising"
Or any other variant thereof is intended to cover non-exclusive inclusion, so that process, method, thing including a series of elements
Product or equipment not only include those key elements, but also including other elements that are not explicitly listed, or further include as this
Kind of process, method, article or the intrinsic key element of equipment.In the absence of more restrictions, by sentence " including one "
The key element of restriction, it is not excluded that also there is in addition identical in the process, method, article or apparatus that includes the element will
Element.
The keyhole connector taken root for the welding of antidetonation brace
The utility model provides a kind of keyhole connector taken root for the welding of antidetonation brace, which has
Specific structure.Specifically, which includes weld part and brace connecting plate.Wherein, weld part includes two welderings again
Fishplate bar, each welded plate are equipped with the upper surface for being used for being welded and fixed, first surface and second surface, and upper surface connects with first surface
The part that the part and upper surface connect is connected with second surface is equipped with angle, and bezel designs are more convenient to weld, it is easier to will be oblique
Bar connecting plate is welded and fixed on fixing piece, and two welded plates are parallel to each other and oppose.
Brace connecting plate is a rectangle plate, is fixed between two welded plates, and and it is perpendicular with two welded plates, tiltedly
Bar connecting plate and upper surface angle α, wherein, 30 °≤α≤60 °；Preferably, 35 °≤α≤55 °；More preferably, 40 °≤α≤
50°；Brace connecting plate is equipped with a bolt hole, which is used to be fixedly connected with antidetonation brace progress bolt, brace connection
Plate is equipped with the inner surface and the outer surface, and bolt hole is connected by outward opening and cone-apex angle for the conical surface of β with inner surface, bolt hole
It is connected by a cylindrical surface with outer surface, and bolt hole also has the optional transition face between circular conical surface and cylindrical surface
(such as cylindrical surface or circular arc camber, circular arc camber preferably prominent to center), wherein, 105 °≤β≤135 °；More preferably, 110 °
≤β≤130 °；Most preferably, 115 °≤β≤125 °.
It is to be understood that the thickness of the brace connecting plate of the utility model is not particularly limited, can be according to needed for antidetonation hanger
Requirement be determined, representational, its thickness is 8-80mm, preferably 10-55mm, more preferably 12-30mm.
It is to be understood that the material for being used for the keyhole connector that the welding of antidetonation brace is taken root of the utility model does not limit especially
System, can be the material with excellent mechanical strength, such as carbon steel, steel alloy etc..
In another preference, first surface is parallel or substantially parallel with second surface.
In another preference, the inner surface and the outer surface is parallel or substantially parallel.
In another preference, the conical point of circular conical surface be located on the central shaft of bolt hole (i.e. with the central shaft of bolt hole
Overlap or essentially coincide).
In another preference, transition face is circular arc camber.
In another preference, the radius of transition face is not less than 5mm.
In another preference, along the transition face height d on bolt hole direction3For 0-20mm, preferably 0-15mm, more
Good ground 0-10mm.
In another preference, along the central shaft of bolt hole, the height of circular conical surface is d1, the height on cylindrical surface is d2, mistake
The height for crossing face is d3, then d1+d2+d3The sum of it is equal with the thickness of brace connecting plate；And d1/d2The ratio between be 0.1-0.7；With/
Or (d1+d2)/(d1+d2+d3) the ratio between be 0.8-1.
In another preference, the outer peripheral minimum distance of bolt hole and brace connecting plate is 2-5 times of its radius,
Preferably 2.2-4 times, more preferably 2.5-3 times.
In another preference, minimum diameter (i.e. the diameter at the most narrow place of bolt hole) Z of bolt holexminIt is excellent for 11-93mm
Selection of land 13-67mm, more preferably 17-37mm.
Further, since not only structure simplifies the keyhole connector that the welding of antidetonation brace is taken root that is used for of the utility model, and
And improve the intensity of the utility model keyhole connector.Further, since distorted-structure is avoided, therefore the use of the utility model
Be not particularly limited in the thickness of keyhole connector that the welding of antidetonation brace is taken root, can be prepared into required thickness (especially compared with
Thick degree) keyhole connector, so as to further improve the intensity of keyhole connector；In addition, the bolt hole of the utility model is set
There is circular conical surface, which enables bolt hole and antidetonation brace, spheric washer and nut preferably to coordinate, and is installing
More preferable adaptability and more preferable anti-seismic performance are provided during journey and antidetonation.
Antidetonation brace welds component of taking root
The utility model additionally provides a kind of antidetonation brace and welds component of taking root, it includes：(a) it is above-mentioned to be used for shock-resistant slant
The keyhole connector that bar welding is taken root；(b) antidetonation brace；(c) spheric washer；And (d) nut.Suitable for the utility model
Antidetonation brace is not particularly limited, as long as its one end or both ends are equipped with bolt.The utility model is primarily adapted for use in rigid shock-resistant slant
Bar.Representational antidetonation brace includes c-type, U-shaped and L-type channel steel or other any conventional braces.
When the one or both ends of antidetonation brace are equipped with brace bolt, then the antidetonation brace welding that is used for of the utility model is given birth to
The size of the bolt hole of the keyhole connector of root matches with the size of brace bolt, can carry out " bolt-spiral shell
Hole " connects, and bolt successively through the cylindrical surface of bolt hole and circular conical surface, and stretches out bolt hole, then with nut by antidetonation brace
Bolt fastening so that antidetonation brace be may connect to or be connected to for the keyhole connector taken root of antidetonation brace welding
Bolt hole.
In another preference, the spheric washer connects by the bolt-through, and positioned at the nut and the brace
Between the inner surface of fishplate bar.In another preference, the antidetonation brace, which welds component of taking root, includes fixed seat, which is
The whole component provides immobilizing foundation, and the upper surface of welded plate is welded in the fixed seat.
In another preference, in the operating condition, antidetonation brace welds antidetonation brace and " V " shape knot in component of taking root
Structure it is not connected have brace connecting plate side is parallel or less parallel.
In another preference, the other end of antidetonation brace is the end of thread, and the end of thread can be connected with keyhole connector.
In another preference, one end of antidetonation brace is axis pin end, and axis pin end can be connected with keyhole connector.
In another preference, the other end of antidetonation brace is pin hole, pin hole can be connected with axis pin connector (such as：
Axis pin pipe clamp).
The major advantage of the utility model includes：
(a) connector of the utility model, it is simple in structure, it is easy for installation.
(b) than conventional attachments (hinge type connector), not only intensity improves more than 30% to the connector of the utility model,
And production cost is low.
(c) connector of the utility model, can as a kind of basic universal component of antidetonation suspension and support, suitable for it is various not
The anti-seismic structure of the same industry and pipeline of building, air passage and cable testing bridge.
(d) connector of the utility model is not only highly resistant to longitudinal vibrations, is also effective against transverse vibration.
(e) bezel designs of the first right angle side are more convenient to weld, it is easier to which brace connecting plate is welded and fixed fixing piece
On.
(f) bolt hole of the utility model substitutes taper faced washer with circular conical surface and the spheric washer formation of antidetonation bar assembly turns
Dynamic pair, the positioning correcting during being easily installed.
With reference to specific embodiment, the utility model is expanded on further.It is to be understood that these embodiments are merely to illustrate this
Utility model rather than limitation the scope of the utility model.The experimental method of actual conditions is not specified in the following example, leads to
Often according to normal condition, or according to the condition proposed by manufacturer.
Embodiment 1
Fig. 1-5 shows the keyhole connector for being used for the welding of antidetonation brace and taking root in one example of the utility model
C102.The keyhole connector C102 that the welding of antidetonation brace is taken root that is used for of the utility model includes weld part and brace connecting plate
B2, and weld part and brace connecting plate B2 are integrally formed.
Weld part includes two welded plate B1, and two welded plate B1 are that rounding off connects with brace connecting plate B2.
Each welded plate B1 is equipped with the upper surface S for being used for being welded and fixed, first surface and second surface, and upper surface S is used to be welded and fixed,
The part that the part and upper surface S that upper surface S is connected with first surface are connected with second surface is equipped with angle, and bezel designs are more
Convenient welding, it is easier to brace connecting plate B2 is welded and fixed on fixing piece, and two welded plate B1 are to be parallel to each other and right
Vertical.The lower part of welded plate B1 is " V " shape structure, wherein, brace connecting plate B2 is fixedly connected on the right side of " V " shape structure, " V "
The right length L of shape structure1Less than its left length L2, and the right flank institute of the left surface of " V " shape structure and " V " shape structure into
Angle γ is 90 °.The cross sectional shape of upper surface S equipped with angle is isosceles trapezoid, and the length of upper surface S is 80mm, and isosceles are terraced
The top margin a length of 2mm, a height of 4mm, a length of 10mm in base of shape.The left length of " V " shape structure is 73mm, and right length is
37mm, the left side of " V " shape structure and the angle of vertical direction are 135 °.Centre distance is 70mm between two welded plate B1.
Brace connecting plate B2 is a rectangle plate, and brace connecting plate B2 is equipped with a bolt hole K012, and bolt hole K012 is located at
The middle part of brace connecting plate B2, brace connecting plate B2 are fixed between two welded plate B1, and and are hung down with two welded plate B1 phases
Directly, excessively connected for circular arc between two welded plate B1 and brace connecting plate B2, form circular arc transition, wherein, outer arc
Radius be 20mm, the radius of inner arc is that 10mm, brace connecting plate B2 and upper surface S angles α are 45 °.Brace connects
Fishplate bar B2 is equipped with the inner surface and the outer surface, and bolt hole K012 is used to be fixedly connected with antidetonation brace progress bolt, bolt hole
K012 is connected by outward opening and cone-apex angle for the conical surface of β with inner surface, and bolt hole K012 passes through a cylindrical surface and appearance
Face is connected, wherein, β is 120 °.Circular conical surface can be parabola, and the conical point of circular conical surface is located at the central shaft of bolt hole K012
On, the left vertical distance of the central axis of bolt hole K012 away from " V " shape structure is 25mm, the minimum diameter of bolt hole K012
ZxminFor 20mm, the height d of circular conical surface1For 3mm, the height d on cylindrical surface2For 7mm, the height of brace connecting plate B2 is 10mm.
Welded plate B1 and brace connecting plate B2 is slab construction, i.e., the first surface of welded plate B1 and second surface are flat
Capable, the inner surface and the outer surface of brace connecting plate B2 is parallel.The thickness of welded plate B1 and brace connecting plate B2 are identical
, it is 10mm.
Embodiment 2
The antidetonation brace of the present embodiment, which welds component of taking root, to be included：It is used for the welding life of antidetonation brace as described in Example 1
Keyhole connector, antidetonation brace, spheric washer and the nut of root.Antidetonation brace is rigid antidetonation brace, and its one end is equipped with oblique
Bar bolt.The bolt for being used for the keyhole connector that the welding of antidetonation brace is taken root in the size and embodiment 1 of brace bolt
The size in hole matches, the two is attached in a manner of " bolt-screw hole ", and bolt successively passes through the circle of bolt hole
Cylinder and circular conical surface, and stretch out bolt hole, and through the spheric washer to match with the bolt, the bolt by spheric washer with
The conical surface contact of bolt hole, forms revolute pair, easy to positioning correcting of the component in installation process, the extension of bolt
Fastened finally by nut, and spheric washer is located between nut and the inner surface of brace connecting plate, so that antidetonation brace
It is connected to the keyhole connector taken root for the welding of antidetonation brace.The other end of antidetonation brace is brace pin hole, the brace pin hole
It is connected with axis pin pipe clamp.Antidetonation brace welding takes root component available for suspension pipe etc., and be effective against longitudinal direction vibrations and
Transverse vibration.
In the operating condition, the left parallel of the antidetonation brace that the welding of antidetonation brace is taken root in component and " V " shape structure or
Less parallel.
It is incorporated herein by reference in all documents that the utility model refers to, just as each document quilt
It is individually recited as reference.In addition, it should also be understood that, after the above-mentioned instruction content of the utility model has been read, this area skill
Art personnel can make various changes or modifications the utility model, and such equivalent forms equally fall within the application appended claims
Book limited range.
Claims (10)
1. a kind of keyhole connector taken root for the welding of antidetonation brace, it is characterised in that the connector includes
Weld part, the weld part include two welded plates, and each welded plate is equipped with the upper surface for being used for being welded and fixed, the
One surface and second surface, the part and the upper surface that the upper surface is connected with the first surface and the second surface
The part of connection is equipped with angle, and two welded plates are parallel to each other and oppose；And
Brace connecting plate, the brace connecting plate are a rectangle plate, and the brace connecting plate is equipped with a bolt hole, the brace
Connecting plate is fixed between two welded plates, and and, the brace connecting plate and institute perpendicular with two welded plates
Upper surface angle α is stated, wherein, 30 °≤α≤60 °；
The brace connecting plate is equipped with the inner surface and the outer surface, and the bolt hole is used to carry out bolt fixation company with an antidetonation brace
Connect, the bolt hole is connected by outward opening and cone-apex angle for the circular conical surface of β with the inner surface, and the bolt hole passes through
One cylindrical surface is connected with the outer surface, and the bolt hole is also located at the circular conical surface and the cylindrical surface with optional
Between transition face, wherein, 105 °≤β≤135 °.
2. keyhole connector as claimed in claim 1, it is characterised in that the section shape of the upper surface equipped with the angle
Shape is isosceles trapezoid.
3. keyhole connector as claimed in claim 1, it is characterised in that the weld part and the brace connecting plate are one
Or it is integrally formed.
4. keyhole connector as claimed in claim 1, it is characterised in that two welded plates and the brace connecting plate are
Rounding off connection.
5. keyhole connector as claimed in claim 1, it is characterised in that the lower part of the welded plate is " V " shape structure, its
In, the brace connecting plate is fixedly connected on the " V " shape structure left or right side.
6. keyhole connector as claimed in claim 5, it is characterised in that in the " V " shape structure, be connected with the brace
The side length that plate is connected is L1, the side length not being connected with the brace connecting plate is L2, and L1＜ L2。
7. keyhole connector as claimed in claim 6, it is characterised in that the left surface of the " V " shape structure and the " V " shape
The right flank angle of structure is γ, wherein, 75 °≤γ≤125 °.
8. keyhole connector as claimed in claim 7, it is characterised in that the welded plate and the brace connecting plate are flat
Harden structure.
9. keyhole connector as claimed in claim 1, it is characterised in that the spiro keyhole position is in the brace connecting plate
Portion.
The component 10. a kind of antidetonation brace welding is taken root, it is characterised in that the component includes
A) the keyhole connector for being used for the welding of antidetonation brace and taking root as described in any in claim 1-9；
B) antidetonation brace, one end of the antidetonation brace are equipped with bolt, and the brace axis pin is used for and the brace connecting plate
The bolt hole carries out " bolt-screw hole " connection, wherein, the bolt successively passes through the cylindrical surface and the circular conical surface；
C) spheric washer, the spheric washer and the bolt match, and the bolt passes through the spheric washer and the spiral shell
The conical surface contact of keyhole, forms revolute pair；And
D) nut, the bolt stretches out the bolt hole, and is fastened by the nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720989224.9U CN207229563U (en) | 2017-08-09 | 2017-08-09 | The keyhole connector and its component taken root for the welding of antidetonation brace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720989224.9U CN207229563U (en) | 2017-08-09 | 2017-08-09 | The keyhole connector and its component taken root for the welding of antidetonation brace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207229563U true CN207229563U (en) | 2018-04-13 |
Family
ID=61855722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720989224.9U Expired - Fee Related CN207229563U (en) | 2017-08-09 | 2017-08-09 | The keyhole connector and its component taken root for the welding of antidetonation brace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207229563U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107355463A (en) * | 2017-08-09 | 2017-11-17 | 中机国能电力工程有限公司 | The keyhole connector and its component taken root for the welding of antidetonation brace |
-
2017
- 2017-08-09 CN CN201720989224.9U patent/CN207229563U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107355463A (en) * | 2017-08-09 | 2017-11-17 | 中机国能电力工程有限公司 | The keyhole connector and its component taken root for the welding of antidetonation brace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20180413 Termination date: 20210809 |