CN208668966U - Three-stage split bolt for building - Google Patents
Three-stage split bolt for building Download PDFInfo
- Publication number
- CN208668966U CN208668966U CN201821130966.7U CN201821130966U CN208668966U CN 208668966 U CN208668966 U CN 208668966U CN 201821130966 U CN201821130966 U CN 201821130966U CN 208668966 U CN208668966 U CN 208668966U
- Authority
- CN
- China
- Prior art keywords
- sealing
- hole
- threaded shank
- screw thread
- tight lock
- 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
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Abstract
The utility model discloses a kind of three-stage split bolts for building, including sealing up screw portion, tapered joint head and detachable part, the both ends in sealing up screw portion pass through tapered joint head and connect with detachable part, detachable part includes the first threaded shank, butterfly card, first tight lock part and the first connecting pin, butterfly card middle part be equipped with vertically through first through hole and the second through-hole, first through hole is for accommodating the first threaded shank, second through-hole is for accommodating the first tight lock part, first tight lock part uses taper rod-like structure, taper rod-like structure is when running through the second through-hole, with the first threaded shank perpendicular contact and mutual clamping, to realize that the first tight lock part is tight to butterfly clamping lock, it improves in large-scale wall, the reliability and stability of draw knot force between outboard template.
Description
Technical field
The utility model relates to construction equipment technical field, specially a kind of three-stage split bolt for building.
Background technique
Template split bolt is bolt when installing beam, column template, for drawknot between the template of wall medial and lateral.To drawing
Bolt bears coagulation earth lateral pressure and other loads, to ensure that the spacing of interior outboard template can satisfy design requirement, simultaneously
It is also the fulcrum of template and its support construction.Therefore, each component part of split bolt must have enough intensity and stabilization
Property, to ensure the stability of drawknot.
For convenience of dismounting, three-stage split bolt is used in shear wall construction at present, that is, includes middle screw rod and both ends
Screw arbor with nut at both-ends, wherein the pole length of middle screw rod is customized generally according to metope thickness, in the construction process, needs to pour completely
Inside wall, the Screw arbor with nut at both-ends at both ends is detachable structure, be can be recycled, to save construction cost.
As China Patent No. CN205012649U discloses a kind of split bolt that concrete blinding is segmented comprising intermediate
The detachable section of section and both ends, interlude and detachable section are formed by connecting with matched internal thread, and interlude is equipped with water stop spacer,
Detachable section with interlude connecting pin be equipped with rigid plastics production cupwasher cupwasher microcephaly and detachable section
End face is concordant, and towards direction in reinforced concrete.Above-mentioned patent is by design cupwasher to install to split bolt and template
To booster action.But since detachable section and template are arc contact, and detachable section and template are single-contact, with mould
Template local pressure is excessive in plate fastener cycle, easy damaged template, and interlude is only that internal thread is connect with detachable section, connection
Poor reliability, it is difficult to meet the reliability and stability of the draw knot force between the template of large-scale wall medial and lateral.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of three-stage split bolt for building, solves existing
There is the problem of the reliability and stability difference of draw knot force between the template of large-scale wall medial and lateral.
(2) technical solution
In order to achieve the above object, the utility model is achieved by the following technical programs: a kind of three-stage pair for building
Bolt, including sealing up screw portion, tapered joint head and detachable part, the both ends in the sealing up screw portion is drawn to pass through taper connection
Head connect with detachable part, it is characterised in that: the detachable part blocks including the first threaded shank, butterfly, the first tight lock part and the
One connecting pin, first threaded shank one end are blocked through the butterfly, and the first threaded shank other end connects the first connecting pin,
First connecting pin is connect with the tapered joint head；Butterfly card middle part be equipped with vertically through first through hole and second
Through-hole, the first through hole is for accommodating the first threaded shank, and second through-hole is for accommodating the first tight lock part, first lock
Tight portion uses taper rod-like structure, vertical with first threaded shank when taper rod-like structure runs through second through-hole
Contact and mutual clamping.
Preferably, first connecting pin outer diameter is greater than the first threaded shank outer diameter, and first connecting pin is equipped with
First internal screw thread, first internal screw thread are threadedly coupled with the tapered joint head.
Preferably, the tapered joint head includes tapered end and the end of thread, is equipped with the second internal screw thread in the tapered end,
Second internal screw thread is threadedly coupled with the sealing up screw portion；The end of thread is connect with first internal screw thread.
Preferably, sealing up screw portion both ends are equipped with the first external screw thread, and first external screw thread and the taper connect
Connector connection.
Preferably, it is equipped with sealing piece mounting portion in the middle part of the sealing up screw portion, the sealing piece mounting portion outer diameter is greater than
Sealing up screw portion outer end diameter, the sealing piece mounting portion are equipped with sealing piece.
Preferably, the outside of the butterfly card is equipped with the second tight lock part, and second tight lock part runs through first spiral shell
Bar portion, and block outside with the butterfly and be in close contact.
(3) beneficial effect
The utility model have it is following the utility model has the advantages that
(1) split bolt of the utility model, along butterfly card middle part be equipped with vertically through first through hole and the second through-hole, first
Through-hole uses taper rod-like structure for accommodating the first tight lock part, the first tight lock part for accommodating the first threaded shank, the second through-hole,
Taper rod-like structure is when running through the second through-hole, and the first threaded shank perpendicular contact and mutual clamping, to realize the first tight lock part
It is tight to butterfly clamping lock, improve the reliability and stability of draw knot force between the template of large-scale wall medial and lateral；
(2) taper rod-like structure includes stub end and small head end, taper rod-like structure from stub end to small head end radius by
It is decrescence small, to be applicable in the clamping to different specification size threaded shank；
(3) outside of butterfly card is equipped with the second tight lock part, and the second tight lock part and butterfly card outside are in close contact, to butterfly
Second level locking is realized between card and template, further increases between the template of large-scale wall medial and lateral the reliability of draw knot force and steady
It is qualitative.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is detachable part structural schematic diagram；
Fig. 3 is tapered joint head structural schematic diagram.
In figure: wall 1；Template 2；Sealing up screw portion 3；Detachable part 4；Tapered joint head 5；
First threaded shank 41；Butterfly card 42；First tight lock part 43；First connecting pin 44；
First through hole 421；Second through-hole 422；
Tapered end 51；The end of thread 52.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Fig. 1, the utility model provides a kind of three-stage split bolt for building, is used in building engineering field,
It when pouring reinforcement concrete wall 1, is strained and fixed and is folded in the template 2 on 1 both sides of wall, and to tearing open after the completion of pouring wall 1
When mould, sealing up screw portion 3 is stayed in into 1 the inside of wall, template is removed by detachable part 4, and will expose outside wall 1
Tapered joint head 5 removes, to keep complete metope.
Split bolt provided by the utility model, using three stage structure, including sealing up screw portion 3,5 and of tapered joint head
Detachable part 4, the both ends in sealing up screw portion 3 have been arranged symmetrically tapered joint head 5, and 5 end of tapered joint head connects detachable part
4。
Detachable part 4 and 2 locking mode of template are realized using such as flowering structure.The detachable part 4 of i.e. above-mentioned split bolt is wrapped
The first threaded shank 41, butterfly the 42, first tight lock part 43 of card and the first connecting pin 44,41 one end of the first threaded shank is included to block through butterfly
42, and the claw end of butterfly card 42 is used for clamping template 2,41 other end of the first threaded shank connects the first connecting pin 44, and first connects
End 44 is connect to connect with tapered joint head 5.Combined with Figure 1 and Figure 2, butterfly card 42 middle part be equipped with vertically through 421 He of first through hole
Second through-hole 422, the opening direction of first through hole 421 is consistent with 41 setting direction of the first threaded shank, and first through hole 421 is for holding
The first threaded shank 41 is set, i.e., as above-mentioned first threaded shank 41 runs through first through hole 421；The opening direction of second through-hole 422 and the
The opening direction of one through-hole 421 is vertically through that is, consistent with 43 setting direction of the first tight lock part, the second through-hole 422 is for accommodating
First tight lock part 43, the first tight lock part 43 uses taper rod-like structure, when taper rod-like structure runs through the second through-hole 422, with the
One threaded shank, 41 perpendicular contact and mutual clamping.I.e. by the first tight lock part 43 to 42 locking of butterfly card, to improve large-scale wall
The reliability and stability of draw knot force between the template of medial and lateral.
Taper rod-like structure includes stub end and small head end, and taper rod-like structure gradually subtracts from stub end to small head end radius
It is small.When butterfly card 42 is axially adjustable to when being in close contact with template 2 along the first threaded shank 41, taper rod-like structure is along second
Through-hole 422 inwardly probes into, until the close contact vertical with the first threaded shank 41 of taper rod-like structure so that the first tight lock part 43 and
First threaded shank, 41 clamping, at this point, detachable part 4 clamps template 2 from two sides.Meanwhile it being equipped in the rod-shaped body structure surface of taper anti-
Sliding line, to prevent from skidding during clamping, it is ensured that the reliability of clamping process.
Detachable part 4 is to be detachably connected relative to sealing up screw portion 3, and detachable part 4 passes through the first connecting pin 44 and cone
Shape connector 5 connects, and 44 outer diameter of the first connecting pin is greater than 41 outer diameter of the first threaded shank, and the first connecting pin 44 is equipped with spiral shell in first
Line, the first internal screw thread are threadedly coupled with tapered joint head 5.
In the three-stage split bolt for building of the utility model, tapered joint head 5 and detachable part 4 are detachably may be used
The structure recycled.Referring to Fig. 3,5 structure of tapered joint head are as follows: tapered joint head 5 includes tapered end 51 and the end of thread 52, cone
The second internal screw thread is equipped in shape end 51, the second internal screw thread is threadedly coupled with sealing up screw portion 3；The end of thread 52 and the first internal screw thread connect
It connects.
With continued reference to Fig. 1, sealing up screw portion 3 is that indwelling connects in 1 internal structure of wall, 3 both ends of sealing up screw portion and taper
Connector 5 is threadedly coupled.Specifically: 3 both ends of sealing up screw portion are equipped with the first external screw thread, and the first external screw thread and tapered joint head 5 connect
It connects.Sealing piece mounting portion is equipped in the middle part of sealing up screw portion 3, sealing piece mounting portion outer diameter is greater than 3 outer end diameter of sealing up screw portion, only
Water piece mounting portion is equipped with sealing piece.
As above-mentioned, when adjusting butterfly 42 to the first 41 corresponding position of threaded shank of card, butterfly card 42 clamps template from two sides,
And butterfly card 42 is locked by the first tight lock part 43, to ensure clamping reliability.
Outside for the reliability for further ensuring that butterfly card 42 and the locking of the first tight lock part 43, butterfly card 42 is equipped with second
Tight lock part, the second tight lock part are preferably clamping screw, and the second tight lock part runs through the first threaded shank 41, and tight with 42 outside of butterfly card
Contiguity touching, to further increase and be drawn between the template of large-scale wall medial and lateral to second level locking is realized between butterfly card 42 and template
Tie the reliability and stability of power.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of three-stage split bolt for building, including sealing up screw portion, tapered joint head and detachable part, the sealing spiral shell
The both ends of bar portion pass through tapered joint head and connect with detachable part, it is characterised in that: the detachable part includes the first screw rod
Portion, butterfly card, the first tight lock part and the first connecting pin, first threaded shank one end are blocked through the butterfly, first spiral shell
The bar portion other end connects the first connecting pin, and first connecting pin is connect with the tapered joint head；Butterfly card middle part is set
Have vertically through first through hole and the second through-hole, the first through hole used for accommodating the first threaded shank, second through-hole
In accommodating the first tight lock part, first tight lock part uses taper rod-like structure, and the taper rod-like structure runs through described second
When through-hole, with the first threaded shank perpendicular contact and mutual clamping.
2. three-stage split bolt for building according to claim 1, it is characterised in that: first connecting pin outer diameter is big
In the first threaded shank outer diameter, first connecting pin is equipped with the first internal screw thread, and first internal screw thread and the taper connect
Joint screw thread connection.
3. three-stage split bolt for building according to claim 2, it is characterised in that: the tapered joint head includes cone
Shape end and the end of thread, the second internal screw thread is equipped in the tapered end, and second internal screw thread and sealing up screw portion screw thread connect
It connects；The end of thread is connect with first internal screw thread.
4. three-stage split bolt for building according to claim 1, it is characterised in that: sealing up screw portion both ends are set
There is the first external screw thread, first external screw thread is connect with the tapered joint head.
5. three-stage split bolt for building according to claim 1, it is characterised in that: set in the middle part of the sealing up screw portion
There is sealing piece mounting portion, the sealing piece mounting portion outer diameter is greater than sealing up screw portion outer end diameter, the sealing piece mounting portion peace
Equipped with sealing piece.
6. three-stage split bolt for building according to claim 1, it is characterised in that: the outside of the butterfly card is equipped with
Second tight lock part, second tight lock part runs through first threaded shank, and blocks outside with the butterfly and be in close contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821130966.7U CN208668966U (en) | 2018-07-17 | 2018-07-17 | Three-stage split bolt for building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821130966.7U CN208668966U (en) | 2018-07-17 | 2018-07-17 | Three-stage split bolt for building |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208668966U true CN208668966U (en) | 2019-03-29 |
Family
ID=65830313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821130966.7U Expired - Fee Related CN208668966U (en) | 2018-07-17 | 2018-07-17 | Three-stage split bolt for building |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208668966U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112095813A (en) * | 2020-08-10 | 2020-12-18 | 中国二十冶集团有限公司 | Method for plugging through-wall hole of outer wall |
-
2018
- 2018-07-17 CN CN201821130966.7U patent/CN208668966U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112095813A (en) * | 2020-08-10 | 2020-12-18 | 中国二十冶集团有限公司 | Method for plugging through-wall hole of outer wall |
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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 |
Granted publication date: 20190329 Termination date: 20200717 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |