CN106402128A - T-shaped bolt - Google Patents
T-shaped bolt Download PDFInfo
- Publication number
- CN106402128A CN106402128A CN201610895756.6A CN201610895756A CN106402128A CN 106402128 A CN106402128 A CN 106402128A CN 201610895756 A CN201610895756 A CN 201610895756A CN 106402128 A CN106402128 A CN 106402128A
- Authority
- CN
- China
- Prior art keywords
- bolt
- shank
- fitting
- diameter portion
- away
- 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.)
- Pending
Links
- 238000007789 sealing Methods 0.000 claims description 12
- 230000001681 protective effect Effects 0.000 claims description 6
- 235000019994 cava Nutrition 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
- F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
- F16B35/06—Specially-shaped heads
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
- F16B39/28—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
Abstract
The invention relates to a T-shaped bolt. The T-shaped bolt comprises a bolt head, a bolt bar and a pre-tightening mechanism, wherein the bolt head comprises a connecting part and two clamping parts arranged on the two sides of the connecting part correspondingly, and the clamping parts are arranged in a conduit in a clamped mode; the bolt bar is connected with the end, away from the clamping parts, of the connecting part and extends out of the conduit; the pre-tightening mechanism is arranged on the bolt bar and comprises a limiting part fixedly arranged on the bolt bar, an abutting part which is slidably arranged on the bolt bar and located between the limiting part and the bolt head, and a spring arranged on the bolt bar in a sleeving mode, and the two ends of the spring abut against the limiting part and the abutting part correspondingly; the abutting part abuts against the outer side wall of an embedded part; and the spring provides elastic force for the limiting part, so that the clamping parts abut and press the inner side wall of the embedded part tightly. The T-shaped bolt has the advantage of being capable of abutting against the embedded part tightly.
Description
Technical field
The present invention relates to bolt field, more particularly to a kind of T-bolt.
Background technology
Groove type embedded part is generally with bolts, a lot of with groove type embedded part matching used T-bolt species, work
Principle is mainly by being pressed into T-bolt in groove type embedded part, constantly adjusts the position of T-bolt so that T-bolt energy
Enough and groove type embedded part forms a firm connection, but during actual installation, is pressed into T-shaped in groove type embedded part
Bolt easily produces the problem that gets loose, thus being difficult to be better secured in groove type embedded part.
Content of the invention
Based on this it is necessary to easily produce the problem that gets loose for T-bolt, provide and a kind of can push against the T-shaped of built-in fitting
Bolt.
A kind of T-bolt, for being connected with the built-in fitting offering conduit, including：
Bolt head, including connecting portion and two holding sections being respectively arranged at described connecting portion both sides, described holding section card
In described conduit；
Shank of bolt, described shank of bolt is connected away from one end of described holding section with described connecting portion, and extends described
Outside conduit；And
Pre-tightening mechanism, is arranged on described shank of bolt, described pre-tightening mechanism includes：
Locating part, is fixedly installed on described shank of bolt；
Fitting, is slideably positioned on described shank of bolt, and described fitting is located at described locating part and described bolt head
Between；And
Spring, is sheathed on described shank of bolt, and the two ends of described spring respectively with described locating part and described fitting
Offset, described fitting is offseted with described built-in fitting lateral wall；Wherein, described spring provides elastic force to described locating part,
And then described holding section is mutually closely compressed with described built-in fitting madial wall.
Wherein in an embodiment, also include sealing mechanism, be sheathed on described shank of bolt, during described sealing mechanism is
Empty housing shape, and described pre-tightening mechanism can be housed.
Wherein in an embodiment, described sealing mechanism includes：
Protective case, described protective case includes large-diameter portion and is connected to minor diameter part on described large-diameter portion, described large-diameter portion and
Described minor diameter part is the tubular structure of hollow, and described large-diameter portion with diameter greater than described minor diameter part, described minor diameter part away from
One end of described large-diameter portion is provided with the first opening；And
Sealed piece, for sealing described first opening.
Wherein in an embodiment, described large-diameter portion is provided with the second opening away from one end of described minor diameter part, described
Fitting is the laminated structure with through hole, and described shank of bolt wears described through hole, and described fitting closure described second is opened
Mouthful.
Wherein in an embodiment, described sealed piece is cap-like structure, and covers described minor diameter part away from described big footpath
The one end in portion, by described first closure of openings.
Wherein in an embodiment, described sealed piece includes main part and is arranged at auricle on described main part, institute
State and hanging hole is offered on auricle.
Wherein in an embodiment, described shank of bolt offers along the circumferentially extending fixing groove of described shank of bolt, institute
State locating part to be arranged in described fixing groove.
Wherein in an embodiment, described holding section is wedge structure, and described built-in fitting madial wall caves inward, and with
Described holding section is adapted.
Wherein in an embodiment, described shank of bolt is provided with inner bolt hole away from described bolt head one end.
Wherein in an embodiment, also include threaded fastener, described threaded fastener can be with described shank of bolt spiral shell
Line coordinates, and described threaded fastener is hex bolts, interior hexagonal cylindrical hook bolt or dormant bolt.
Above-mentioned T-bolt, by arranging pre-tightening mechanism on shank of bolt, spring is set on shank of bolt, and the two of spring
End is offseted with locating part and fitting respectively, and fitting is offseted with the lateral wall of built-in fitting, and spring provides bullet to locating part
Power, and then the holding section of bolt head is mutually closely compressed with the madial wall of built-in fitting, so that bolt head and built-in fitting
Form a stable annexation, therefore preferably overcome T-bolt and easily produce the problem getting loose.
Brief description
Fig. 1 is the structural representation of T-bolt in one embodiment of the invention；
Fig. 2 is the structural representation of T-bolt in another embodiment of the present invention；
Fig. 3 is the structural representation of sealing mechanism in embodiment illustrated in fig. 2；
Fig. 4 is enlarged diagram at A shown in Fig. 3；
Fig. 5 is the structural representation of sealed piece in embodiment illustrated in fig. 2；
Fig. 6 is the structural representation of shank of bolt in embodiment illustrated in fig. 2；
Fig. 7 is the structural representation of T-bolt in yet another embodiment of the invention.
Specific embodiment
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.In accompanying drawing
Give the better embodiment of the present invention.But, the present invention can realize however it is not limited to herein in many different forms
Described embodiment.On the contrary, providing the purpose of these embodiments to be to make the disclosure is understood more
Plus it is thoroughly comprehensive.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or can also there is element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or may be simultaneously present centering elements.Term as used herein " interior ", " outward ", "left", "right" and
For illustrative purposes only, being not offered as is unique embodiment for similar statement.
Unless otherwise defined, all of technology used herein and scientific terminology and the technical field belonging to the present invention
The implication that technical staff is generally understood that is identical.The term being used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body is it is not intended that in limiting the present invention.Term as used herein " and/or " include one or more
The arbitrary and all of combination of related Listed Items.
Refer to Fig. 1, the T-bolt 100 in one embodiment of the invention, for the fastening of built-in fitting 200.T-bolt 100
Including bolt head 120, shank of bolt 140 and pre-tightening mechanism 160.
Conduit 210 is offered in built-in fitting 200.Bolt head 120 may include connecting portion 122 and holding section 124.Holding section
124 both sides being arranged on connecting portion 122.Holding section 124 is wedge structure, is fastened in the conduit 210 of built-in fitting 200.Pre-buried
The madial wall of part 200 is caved inward to be adapted with holding section 124.Shank of bolt 140 is connected to the connecting portion 122 of bolt head 120
Away from one end of holding section 124, and extend outside the conduit 210 of built-in fitting 200.Pre-tightening mechanism 160 includes locating part
162nd, fitting 164 and spring 166.Locating part 162 is fixedly connected on shank of bolt 140.Fitting 164 is slidably connected at bolt
On bar 140, and fitting 164 is arranged between locating part 162 and bolt head 120.Spring 166 is set on shank of bolt 140, and
The two ends of spring 166 are offseted with locating part 162 and fitting 164 respectively.The lateral wall phase of fitting 164 and built-in fitting 200
Push against.Spring 166 provides elastic force to locating part 162, and then makes holding section 124 mutually tight with the madial wall of built-in fitting 200
Compress.
Specifically in this embodiment, shank of bolt 140 offers inner bolt hole 142 away from bolt head 120 one end, for T-bolt
100 later stages installed the use of workpiece.
Specifically, on bolt head 120, holding section 124 is two.Two holding sections 124 are symmetricly set in connecting portion 122
Both sides.
It should be noted that in other embodiments, can open up circumferentially extending along shank of bolt 140 on shank of bolt 140
Fixing groove, locating part 162 is fastened in this fixing groove, such that it is able to strengthen the steadiness of locating part 162 further, prevents
Locating part 162 gets loose.
Further, locating part 162 can be set to jump ring, jump ring is the laminated structure with through hole, is provided with
Breach.Breach can be opened by jump ring according to actual needs by external force, to be sheathed in fixing groove.
It should be noted that in the present embodiment, shank of bolt 140 cross section is circular it is to be understood that implementing at other
In example, shank of bolt 140 cross section can be regular polygon, and shank of bolt 140 can form integrally formed fixation with bolt head 120
Structure, such that it is able to simplify the manufacture craft of T-bolt.
It is understood that in other embodiments, spring 166 number of turn can be increased, thus increasing spring 166 to bolt
The reaction force of bar 140, improves the firm effect of T-bolt.
In above-mentioned T-bolt 100, by arranging pre-tightening mechanism 160 on shank of bolt 140, spring 166 is set in bolt
On bar 140, and the two ends of spring 166 are offseted with locating part 162 and fitting 164 respectively, fitting 164 and built-in fitting 200
Lateral wall offset, spring 166 provides elastic force to locating part 162, so make the holding section 124 of bolt head 120 with pre-buried
The madial wall of part 200 mutually closely compresses, so that bolt head 120 and built-in fitting 200 form stable annexation, therefore
Preferably overcome T-bolt 100 and easily produce the problem getting loose.
See also Fig. 2 and Fig. 3, in another embodiment, T-bolt 100 also includes sealing mechanism 190.Sealer
Structure 190 is set on shank of bolt 140.Sealing mechanism 190 is the housing shape of hollow, for the protection of pre-tightening mechanism 160.
See also Fig. 5, sealing mechanism 190 includes protective case 192 and sealed piece 194.Protective case 192 includes big footpath
Portion 192a and minor diameter part 192b.Large-diameter portion 192a is connected with minor diameter part 192b one end.Large-diameter portion 192a and minor diameter part 192b is
The tubular structure of hollow.The diameter with diameter greater than minor diameter part 192b of large-diameter portion 192a.Pre-tightening mechanism 160 is contained in large-diameter portion
In 282a.Minor diameter part 192b offers the first opening 196 away from one end of large-diameter portion 192a.Large-diameter portion 192a is away from minor diameter part
One end of 192b offers the second opening 198.
Specifically in the illustrated embodiment, large-diameter portion 192a and minor diameter part 192b are cylindrical empty cavity configuration.Can manage
Solution, in other embodiments, large-diameter portion 192a and minor diameter part 192b can adopt prismatic cavity structure, additionally, big footpath
Cylindrical empty cavity configuration and prismatic cavity structure can also be adopted by portion 192a and minor diameter part 192b simultaneously, concrete structure according to
Actual conditions and change.
Further, in the present embodiment, large-diameter portion 192a is with diameter greater than minor diameter part 192b diameter.It is understood that
In other enforcements, so that large-diameter portion 192a diameter keeps equal with minor diameter part 192b diameter.
Concrete large-diameter portion 192a and minor diameter part 192b adopts integrated formed structure in the illustrated embodiment, convenient making.
It is understood that in other embodiments, large-diameter portion 192a and minor diameter part 192b can be convenient in the way of being connected using spiral
Dismounting.
Need to illustrate, large-diameter portion 192a and minor diameter part 192b can be using metal material, rigid plastics or not
Rust steel matter etc..
Sealed piece 194 is a kind of cap-like structure.Sealed piece 194 is set in minor diameter part 192b away from the one of large-diameter portion 192a
End.Sealed piece 194 is used for closing the first opening 196 that minor diameter part 192b opens up away from large-diameter portion 192a one end.Sealed piece 194 wraps
Include main part 194a and auricle 194b.Auricle 194b is connected with main part 194a, and auricle 194b offers hanging hole 194c.When need
During sealed piece 194 to be dismantled, workmen can pass through hanging hole 194c with hand, thus sealed piece 194 is lifted.In the present embodiment
In, see also Fig. 6, sealed piece 194 can be with effective protection shank of bolt 140.When constructing decorative layer, can effectively prevent sand
Grain, mud fall into the inner bolt hole 142 being arranged on shank of bolt 140 one end, thus avoiding the blocking of inner bolt hole 142.
Specifically in the illustrated embodiment, sealed piece 194 is set in minor diameter part 192b one end away from large-diameter portion 192a.Permissible
It is understood by, in other embodiments, sealed piece 194 can also be plugged in the first opening 196.
In the present embodiment, fitting 164 is a kind of laminated structure with through hole.Shank of bolt 140 wears this through hole (figure
Not shown in).Fitting 164 is used for closure the second opening 198.See also Fig. 3 and Fig. 4, be provided with outside fitting 164
One layer of chimb 164a.Large-diameter portion 192a away from minor diameter part 192b one end cave inward with fitting 164 outside chimb 164a
It is adapted.Fitting 164 outside chimb 164a and large-diameter portion 192a mutually extrudes away from the madial wall of minor diameter part 192b one end, shape
Become a close-connected structure, such that it is able to strengthen the plugging effect to the second opening 198 for the fitting 164 further.
See also Fig. 7, T-bolt 100 also includes threaded fastener 150.Threaded fastener 150 is screwed
The body of rod.Threaded fastener 150 is connected to shank of bolt 140 one end away from bolt head 120.In use, do not exposing spiral shell
It is possible to effectively install threaded fastener 150 on decorative cover, installation effect is attractive in appearance, avoids simultaneously on the premise of bolt head 120
When threaded fastener 150 or construction decorative cover are installed under decorative cover, damage during workpiece, threaded fastener 150 being caused is installed.
Meanwhile, threaded fastener 150 can using different models, including hex bolts, interior hexagonal cylindrical hook bolt and
Dormant bolt etc., applied widely.
Each technical characteristic of embodiment described above can arbitrarily be combined, for making description succinct, not to above-mentioned reality
The all possible combination of each technical characteristic applied in example is all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all it is considered to be the scope of this specification record.
Embodiment described above only have expressed the several embodiments of the present invention, and its description is more concrete and detailed, but simultaneously
Can not therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
Say, without departing from the inventive concept of the premise, some deformation can also be made and improve, these broadly fall into the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be defined by claims.
Claims (10)
1. a kind of T-bolt, for being connected with the built-in fitting offering conduit it is characterised in that including：
Bolt head, including connecting portion and two holding sections being respectively arranged at described connecting portion both sides, described holding section is arranged in
In described conduit；
Shank of bolt, described shank of bolt is connected away from one end of described holding section with described connecting portion, and extends described conduit
Outward；And
Pre-tightening mechanism, is arranged on described shank of bolt, described pre-tightening mechanism includes：
Locating part, is fixedly installed on described shank of bolt；
Fitting, is slideably positioned on described shank of bolt, and described fitting is located between described locating part and described bolt head；
And
Spring, is sheathed on described shank of bolt, and the two ends of described spring are offseted with described locating part and described fitting respectively
Hold, described fitting is offseted with described built-in fitting lateral wall；Wherein, described spring provides elastic force to described locating part, and then
Described holding section is mutually closely compressed with described built-in fitting madial wall.
2. T-bolt according to claim 1, it is characterised in that also including sealing mechanism, is sheathed on described shank of bolt
On, described sealing mechanism is the housing shape of hollow, and can house described pre-tightening mechanism.
3. T-bolt according to claim 2 is it is characterised in that described sealing mechanism includes：
Protective case, described protective case includes large-diameter portion and is connected to minor diameter part on described large-diameter portion, described large-diameter portion and described
Minor diameter part is the tubular structure of hollow, and described large-diameter portion with diameter greater than described minor diameter part, described minor diameter part is away from described
One end of large-diameter portion is provided with the first opening；And
Sealed piece, for sealing described first opening.
4. T-bolt according to claim 3 is it is characterised in that described large-diameter portion sets away from one end of described minor diameter part
It is equipped with the second opening, described fitting is the laminated structure with through hole, described shank of bolt wears described through hole, and described abutting
Part blocks described second opening.
5. T-bolt according to claim 3, it is characterised in that described sealed piece is cap-like structure, and covers described little
Footpath portion away from one end of described large-diameter portion, by described first closure of openings.
6. T-bolt according to claim 5 is it is characterised in that described sealed piece includes main part and is arranged at described
Auricle on main part, described auricle offers hanging hole.
7. T-bolt according to claim 1 is it is characterised in that offer on described shank of bolt along described shank of bolt week
To the fixing groove extending, described locating part is arranged in described fixing groove.
8. T-bolt according to claim 1 is it is characterised in that described holding section is wedge structure, in described built-in fitting
Side wall caves inward, and is adapted with described holding section.
9. T-bolt according to claim 1 is it is characterised in that described shank of bolt is arranged away from described bolt head one end
There is inner bolt hole.
10. T-bolt according to claim 9 is it is characterised in that also include threaded fastener, described threaded fastener
Can coordinate with described shank of bolt screw thread, described threaded fastener is hex bolts, interior hexagonal cylindrical hook bolt or dormant bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610895756.6A CN106402128A (en) | 2016-10-13 | 2016-10-13 | T-shaped bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610895756.6A CN106402128A (en) | 2016-10-13 | 2016-10-13 | T-shaped bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106402128A true CN106402128A (en) | 2017-02-15 |
Family
ID=59229180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610895756.6A Pending CN106402128A (en) | 2016-10-13 | 2016-10-13 | T-shaped bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106402128A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2693265C1 (en) * | 2018-08-07 | 2019-07-01 | федеральное государственное бюджетное образовательное учреждение высшего образования "Московский государственный технический университет имени Н.Э. Баумана (национальный исследовательский университет)" (МГТУ им. Н.Э. Баумана) | Method of installing elements in a structure |
| CN114810781A (en) * | 2022-04-20 | 2022-07-29 | 一汽奔腾轿车有限公司 | Thrust bolt for fixing plastic part |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4530493A (en) * | 1984-07-30 | 1985-07-23 | Break Douglas G | Machine table fastener assembly |
| CN201526575U (en) * | 2009-09-09 | 2010-07-14 | 张聪林 | Internal tooth C-shaped steel fastening member |
| CN102767550A (en) * | 2012-07-18 | 2012-11-07 | 无锡山亿新能源科技有限公司 | Structure of locking assembly for use on C-shaped steel guide rail |
| CN203051410U (en) * | 2012-11-25 | 2013-07-10 | 安徽六方重联机械股份有限公司 | Preloaded bolt |
| GB2501013A (en) * | 2010-11-09 | 2013-10-09 | Acs Stainless Steel Fixings Ltd | A T-shaped fixing having a stepped profiled head |
| CN203318191U (en) * | 2013-07-12 | 2013-12-04 | 衡水宝力铁路电气化器材有限公司 | Vertical hanging device of rigid suspended contact net used in subway tunnel |
| CN104712637A (en) * | 2015-03-20 | 2015-06-17 | 海盐光大标准件有限公司 | T-shaped bolt convenient to mount and mounting channel |
| CN205401320U (en) * | 2016-03-02 | 2016-07-27 | 哈芬有限责任公司 | Channel fastener external member |
-
2016
- 2016-10-13 CN CN201610895756.6A patent/CN106402128A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4530493A (en) * | 1984-07-30 | 1985-07-23 | Break Douglas G | Machine table fastener assembly |
| CN201526575U (en) * | 2009-09-09 | 2010-07-14 | 张聪林 | Internal tooth C-shaped steel fastening member |
| GB2501013A (en) * | 2010-11-09 | 2013-10-09 | Acs Stainless Steel Fixings Ltd | A T-shaped fixing having a stepped profiled head |
| CN102767550A (en) * | 2012-07-18 | 2012-11-07 | 无锡山亿新能源科技有限公司 | Structure of locking assembly for use on C-shaped steel guide rail |
| CN203051410U (en) * | 2012-11-25 | 2013-07-10 | 安徽六方重联机械股份有限公司 | Preloaded bolt |
| CN203318191U (en) * | 2013-07-12 | 2013-12-04 | 衡水宝力铁路电气化器材有限公司 | Vertical hanging device of rigid suspended contact net used in subway tunnel |
| CN104712637A (en) * | 2015-03-20 | 2015-06-17 | 海盐光大标准件有限公司 | T-shaped bolt convenient to mount and mounting channel |
| CN205401320U (en) * | 2016-03-02 | 2016-07-27 | 哈芬有限责任公司 | Channel fastener external member |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2693265C1 (en) * | 2018-08-07 | 2019-07-01 | федеральное государственное бюджетное образовательное учреждение высшего образования "Московский государственный технический университет имени Н.Э. Баумана (национальный исследовательский университет)" (МГТУ им. Н.Э. Баумана) | Method of installing elements in a structure |
| CN114810781A (en) * | 2022-04-20 | 2022-07-29 | 一汽奔腾轿车有限公司 | Thrust bolt for fixing plastic part |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170215 |