CN206958066U - A kind of foundation bolt with protective cap - Google Patents
A kind of foundation bolt with protective cap Download PDFInfo
- Publication number
- CN206958066U CN206958066U CN201720760802.1U CN201720760802U CN206958066U CN 206958066 U CN206958066 U CN 206958066U CN 201720760802 U CN201720760802 U CN 201720760802U CN 206958066 U CN206958066 U CN 206958066U
- Authority
- CN
- China
- Prior art keywords
- bolt
- protective cap
- steel
- nut
- protective
- 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.)
- Active
Links
Landscapes
- Foundations (AREA)
Abstract
The utility model discloses a kind of foundation bolt with protective cap, bolt collet is enclosed on foundation bolt body, and bottom and the bolt collet set of steel protective cap are tightly connected；Internal protective cover includes protective case under protective case, nut-protecting sleeve and bolt on bolt; protective case is provided with upper screwed hole along central axis on bolt; protective case is detachably connected with steel protective cap on bolt; nut-protecting sleeve is provided with the through hole being adapted with nut along central axis; nut-protecting sleeve is set in steel protective cap, is protected and is set in the through hole of nut-protecting sleeve under bolt.The utility model has the advantages that：When not casting, prevent foundation bolt from getting rusty by internal protective cover, and sealing is formed by steel protective cap and bolt collet, to protect foundation bolt not to be impacted, prevent foundation bolt from getting rusty；After the completion of casting, protective case under bolt can be taken out, and bolt collet and steel protective cap continuously form confined space and the foundation bolt for installing nut are protected.
Description
Technical field
It the utility model is related to a kind of foundation bolt with protective cap.
Background technology
With the development of social productive forces, steel-tube construction is widely applied in infrastructure, and bolt connection is with its reliability
With property easy to assemble extensive use is able in present engineering.The susceptibility-to-corrosion of bolt is considered in conventional project, is completed
Can make protective cap in bolt external application low-grade concrete as bolt connection construction is latter prevents bolt corrosion is brought from must endanger, with
Improve the service life of equipment.But unit in charge of construction is often ignored to lower margin after foundation bolt completes pouring in basis
The protection of bolt, bolt often occurs corrosion occurs between casting concrete protective cap, the corrosion of reinforcing bar can be shone into concrete
Be split up and produce crack, protective cap is lost the protection to foundation bolt, it is impossible to the further development of corrosion to be prevented, so as to being set
Standby operation brings certain potential safety hazard.
Utility model content
The purpose of this utility model is to provide a kind of foundation bolt with protective cap, can effectively solve the problem that casting concrete
When to foundation bolt produce corrosion the problem of.
In order to solve the above-mentioned technical problem, the utility model is achieved through the following technical solutions：A kind of band protective cap
Foundation bolt, including foundation bolt body, bolt collet, steel protective cap and internal protective cover, the bolt collet be enclosed on ground
On foot bolt body, bottom and the bolt collet set of the steel protective cap are tightly connected, and the internal protective cover is arranged on steel
In protective cap；
Internal protective cover includes on bolt protective case under protective case, nut-protecting sleeve and bolt, protective case edge on the bolt
Central axis is provided with the upper screwed hole being adapted to foundation bolt bodies top, and protective case and steel protective cap are removable on the bolt
Connection is unloaded, the nut-protecting sleeve is provided with the through hole being adapted with nut along central axis, and the nut-protecting sleeve is arranged on spiral shell
Protect and be set in the through hole of nut-protecting sleeve in steel protective cap on bolt below protective case, under the bolt, the spiral shell
The cross section of protective case is consistent with nut cross section under bolt.
Preferably, the end face of bolt collet towards the steel protective cap is provided with internal thread hole, under the steel protective cap
The lateral wall in portion is provided with external screw thread；Bolt collet and steel protective cap are connected through a screw thread, that is, facilitate disassembly and installation, and and can has
Preferable sealing effectiveness, aqueous vapor is prevented to enter.
Optionally, the end face of bolt collet towards the steel protective cap is provided with blind hole, the bottom of the steel protective cap
It is inserted in blind hole, the bottom of the steel protective cap is fixedly connected with blind hole by screw；Another bolt collet is protected with steel
The connected mode of helmet, good fixed effect can be equally played, bolt collet and steel protective cap are closely connected.
Preferably, it is provided with cushion cover in the steel protective cap, chute, the pad is provided with along axis on the inwall of the cushion cover
The top of set inwall is provided with the translot communicated with chute, and the lateral wall of protective case is provided with the cunning being adapted with chute on the bolt
Block, the width of the translot and the equal length of sliding block, the depth of the translot are equal with the height of sliding block；Can be by bolt
Protective case takes out, and according to protective case on the remaining length cutting bolt in foundation bolt top, then passes through protective case on bolt
Sliding block coordinates with chute, protective case on bolt is pushed into the suitable depth of steel protective case, protective case and lower margin on bolt
When bolt top rotates, sliding block will also enter translot, so as to which protective case on steel protective cap and bolt be consolidated in the axial direction
It is fixed.
Compared with prior art, the utility model has the advantages that：When not casting, internal protective cover is just enclosed on lower margin spiral shell
On bolt, while the steel protective cap in the outer cover of internal protective cover, prevent foundation bolt from getting rusty by internal protective cover, and by steel
Protective cap and the composition sealing of bolt collet, to protect foundation bolt not to be impacted, moreover it is possible to further prevent aqueous vapor from entering steel
In protective cap, prevent foundation bolt from getting rusty.
After the completion of casting, protective case under bolt can be taken out, and bolt collet and steel protective cap continuously form it is close
Space is closed to protect the foundation bolt for installing nut, while portion of the protective case to the non-nutting in foundation bolt top on bolt
Point carry out the second pipe protection, and nut-protecting sleeve then carries out the second pipe protection to nut, effectively prevent foundation bolt impaired or
Get rusty.
Brief description of the drawings
Fig. 1 is structural representation when a kind of foundation bolt with protective cap of the utility model uses；
Fig. 2 is knot when steel protective cap and internal protective cover coordinate in a kind of foundation bolt with protective cap of the utility model
Structure schematic diagram；
Fig. 3 be a kind of foundation bolt with protective cap of the utility model in bolt collet, steel protective cap, internal protective cover and
Structural representation during foundation bolt body fits；
Fig. 4 is the sectional view of protective case on bolt in a kind of foundation bolt with protective cap of the utility model；
Fig. 5 is the cross-sectional view of nut-protecting sleeve in a kind of foundation bolt with protective cap of the utility model；
Fig. 6 is the cross-sectional view of protective case under bolt in a kind of foundation bolt with protective cap of the utility model；
Fig. 7 is the sectional view of bolt collet in a kind of foundation bolt with protective cap of the utility model；
Fig. 8 is the structural representation that cushion cover upper hopper chute connects with translot in a kind of foundation bolt with protective cap of the utility model
Figure.
Embodiment
It is a kind of embodiment of the foundation bolt with protective cap of the utility model refering to Fig. 1, a kind of lower margin with protective cap
Bolt, including foundation bolt body 1, bolt collet 2, steel protective cap 3 and internal protective cover 4, the bolt collet 2 are enclosed on lower margin
On bolt body 1,2 sets of sealed connections of bottom and bolt collet of the steel protective cap 3, the specific court of bolt collet 2
Internal thread hole 10 is provided with to the end face of steel protective cap 3, the lateral wall of the bottom of steel protective cap 3 is provided with external screw thread, passed through
Threaded connection is sealed.
As shown in Fig. 2, Fig. 4 to Fig. 8, internal protective cover 4 includes protecting under protective case 5, nut-protecting sleeve 6 and bolt on bolt
7 are covered, protective case 5 is provided with the upper screwed hole 8 being adapted to the top of foundation bolt body 1, the spiral shell along central axis on the bolt
Protective case 5 is detachably connected with steel protective cap 3 on bolt, and cushion cover 11, the cushion cover are provided with the specific steel protective cap 3
Chute 12 is provided with along axis on 11 inwall, the top of the inwall of cushion cover 11 is provided with the translot 13 communicated with chute 12, described
The lateral wall of protective case 5 is provided with the sliding block 14 being adapted with chute 12, the width of the translot 13 and the length of sliding block 14 on bolt
Spend equal, the depth of the translot 13 is equal with the height of sliding block 14, and in addition the modes such as snap-fastener can also be used to carry out can
Dismantling connection, the nut-protecting sleeve 6 through hole 9 being adapted with nut 15 is provided with along central axis described in nut-protecting sleeve 6 set
Put in the steel protective cap 3 on bolt below protective case 5, protective case 7 is arranged on the through hole of nut-protecting sleeve 6 under the bolt
In 9, the cross section of protective case 7 is consistent with nut cross section under the bolt.
As shown in figure 3, in use, bolt collet 2 is first fixed on foundation bolt body 1 suitable height, fixation side
Formula can be the modes such as threaded connection or welding, and then protective case under bolt 7 is screwed on foundation bolt body 1, then spiral shell
Female protective case 6 is enclosed under bolt outside protective case 7, and then the sliding block 14 of protective case 5 is directed at cushion cover 11 in steel protective cap 3 on bolt
Chute 12, protective case on bolt 5 is pushed into steel protective cap 3 to top, steel protective cap 3 is interference fitted with cushion cover 11, cushion cover
Translot 13 on 11 is connected with chute 12, when protective case on bolt 5 shifts steel 3 top of protective cap onto, is protected on bolt
The sliding block 14 of set 5 is also at chute 12 and the intersection of translot 13, and steel protective cap 3 is enclosed on foundation bolt body 1, and nut is protected
Sheath 6 also is located in steel protective cap 3, and nut-protecting sleeve 6 is in gap cooperation with steel protective cap 3, rotates steel protective cap
3, while the sliding block 14 of protective case 5 also enters in translot 13 on bolt, steel protective cap 3 will be with protective case on bolt 5 together
Rotate, the upper screwed hole 8 on bolt in protective case 5 is connected with the screw top of foundation bolt body 1, while steel protective cap 3
Bottom be threadedly coupled also by external screw thread with the internal thread hole 10 of bolt collet 2, complete to foundation bolt body 1 protection peace
Dress.
When needing to dismantle steel protective cap 3, as long as pressing above-mentioned steps reverse operating, installed in foundation bolt body 1
After complete nut, the part installation of steel protective cap 3 and internal protective cover 4 in addition to protective case 7 under bolt is gone back again by above-mentioned steps,
The protection to the foundation bolt body 1 equipped with nut can be completed, if protective case 7 under the original bolt of nut thickness ratio of installation
Thickness is thick, then can cut the length of protective case on bolt 5 shorter, and part, which can use, in internal protective cover 4 certain flexibility
Material, manufactured such as rubber or plastics.
Steel protective cap 3 can also be used in bolt collet 2 in addition to being connected using engagement thread with steel protective cap 3
Be provided with blind hole towards the end face of steel protective cap 3, the bottom of steel protective cap 3 is inserted in blind hole, the bottom of steel protective cap 3 with
Blind hole connects by way of screw is fixedly connected.
When not casting, internal protective cover 4 is just enclosed on foundation bolt, while the steel in the outer cover of internal protective cover 4
Protective cap 3 processed, prevents foundation bolt from getting rusty by internal protective cover 4, and forms sealing by steel protective cap 3 and bolt collet 2, uses
To protect foundation bolt not to be impacted, moreover it is possible to further prevent aqueous vapor from entering in steel protective cap 3, prevent foundation bolt from getting rusty.
After the completion of casting, protective case under bolt 7 can be taken out, and bolt collet 2 and steel protective cap 3 continuously form
Confined space to install nut foundation bolt protect, while on bolt protective case 5 to the non-nutting in foundation bolt top
Part carry out the second pipe protection, and nut-protecting sleeve 6 then to nut carry out the second pipe protection, effectively prevent foundation bolt to be damaged
Or get rusty.
Specific embodiment of the utility model is the foregoing is only, but the technical characteristics of the utility model is not limited to
This, any those skilled in the art in field of the present utility model, all cover in this practicality newly by the change or modification made
Among the scope of the claims of type.
Claims (4)
- A kind of 1. foundation bolt with protective cap, it is characterised in that：Including foundation bolt body (1), bolt collet (2), steel Protective cap (3) and internal protective cover (4), the bolt collet (2) are enclosed on foundation bolt body (1), the steel protective cap (3) Bottom and bolt collet (2) set be tightly connected, the internal protective cover (4) is arranged in steel protective cap (3)；Internal protective cover (4) includes on bolt protective case (7) under protective case (5), nut-protecting sleeve (6) and bolt, on the bolt Protective case (5) is provided with the upper screwed hole (8) with being adapted at the top of foundation bolt body (1) along central axis, is protected on the bolt Set (5) is detachably connected with steel protective cap (3), and the nut-protecting sleeve (6) is provided with along central axis mutually to be fitted with nut (15) The through hole (9) matched somebody with somebody, the nut-protecting sleeve (6) is arranged on the steel protective cap (3) below protective case on bolt (5) Nei, described Protective case (7) is arranged in the through hole (9) of nut-protecting sleeve (6) under bolt, the cross section of protective case (7) and spiral shell under the bolt Female cross section is consistent.
- A kind of 2. foundation bolt with protective cap as claimed in claim 1, it is characterised in that：Bolt collet (2) direction The end face of steel protective cap (3) is provided with internal thread hole (10), and the lateral wall of steel protective cap (3) bottom is provided with external screw thread.
- A kind of 3. foundation bolt with protective cap as claimed in claim 1, it is characterised in that：Bolt collet (2) direction The end face of steel protective cap (3) is provided with blind hole, and the bottom of the steel protective cap (3) is inserted in blind hole, the steel protective cap (3) bottom is fixedly connected with blind hole by screw.
- A kind of 4. foundation bolt with protective cap as claimed in claim 1, it is characterised in that：In the steel protective cap (3) Provided with cushion cover (11), chute (12) is provided with along axis on the inwall of the cushion cover (11), the top of cushion cover (11) inwall is opened There is a translot (13) communicated with chute (12), the lateral wall of protective case (5) is provided with what is be adapted with chute (12) on the bolt Sliding block (14), the width of the translot (13) and the equal length of sliding block (14), depth and the sliding block (14) of the translot (13) Height it is equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720760802.1U CN206958066U (en) | 2017-06-28 | 2017-06-28 | A kind of foundation bolt with protective cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720760802.1U CN206958066U (en) | 2017-06-28 | 2017-06-28 | A kind of foundation bolt with protective cap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206958066U true CN206958066U (en) | 2018-02-02 |
Family
ID=61386245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720760802.1U Active CN206958066U (en) | 2017-06-28 | 2017-06-28 | A kind of foundation bolt with protective cap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206958066U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112196126A (en) * | 2020-09-07 | 2021-01-08 | 中铁第四勘察设计院集团有限公司 | Protective structure |
-
2017
- 2017-06-28 CN CN201720760802.1U patent/CN206958066U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112196126A (en) * | 2020-09-07 | 2021-01-08 | 中铁第四勘察设计院集团有限公司 | Protective structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205296421U (en) | Special seal structure system of air film building | |
| CN206958066U (en) | A kind of foundation bolt with protective cap | |
| CN205558278U (en) | Be applied to template circulated in steel plate wall post to drawing device | |
| CN106869356B (en) | The replaceable two benches power consumption sealing node damper of damping sheet | |
| CN205858379U (en) | A kind of scalable steelframe joint being applicable to serious deformation | |
| CN106837974A (en) | A kind of screw | |
| CN208649873U (en) | A kind of prefabricated anti-collision wall attachment device | |
| CN202954824U (en) | Underground cavern baseboard pre-buried injected hole | |
| CN207033473U (en) | A kind of waterproof structure of shield tunnel segment seam | |
| CN205778938U (en) | A kind of water sealing structure for push pipe starting well hole | |
| CN209200631U (en) | Buried cable protection pipe blank pipe sealing-plug | |
| CN207295697U (en) | The spud pile of construction | |
| CN206299657U (en) | A kind of chemical anchor bolts | |
| CN207147511U (en) | A kind of Tailings Dam monitors point protection device on-line | |
| CN207593710U (en) | Locking type gas pick | |
| CN201306355Y (en) | Protective sleeve for screw bolt | |
| CN207080484U (en) | A kind of hard alloy composite roll hydraulic nut | |
| CN204175235U (en) | Grouting behind shaft or drift lining borehole wall packaged type inner support walling crib | |
| CN205242417U (en) | A steel casing pipe for $favoring precipitation well among big raft foundation | |
| CN205134321U (en) | Fixed ground tackle of stock static pressure stake machine base | |
| CN203846699U (en) | Waterproof energy dissipation roof penetration device | |
| CN204511467U (en) | A kind of hole water-stopping structure | |
| CN213674732U (en) | Concrete pre-buried formula locating component | |
| CN208395815U (en) | A kind of recyclable soil bolt structure of self-rotary | |
| CN203230048U (en) | Waterproof construction with different sections and complex structures |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |