CN203583881U - Choke plug mechanism for facing bare concrete formwork - Google Patents

Choke plug mechanism for facing bare concrete formwork Download PDF

Info

Publication number
CN203583881U
CN203583881U CN201320707274.5U CN201320707274U CN203583881U CN 203583881 U CN203583881 U CN 203583881U CN 201320707274 U CN201320707274 U CN 201320707274U CN 203583881 U CN203583881 U CN 203583881U
Authority
CN
China
Prior art keywords
plug
endoporus
aperture
hollow nut
tapered
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201320707274.5U
Other languages
Chinese (zh)
Inventor
余万福
赵平
王毅
刘恒
汪平
黄检
符家贤
郑显锐
宁万超
唐博
何媛
黄义
汤伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SICHUAN SUIGUANGSUIXI EXPRESSWAY Co Ltd
Sichuan Road and Bridge Group Co Ltd
Original Assignee
SICHUAN SUIGUANGSUIXI EXPRESSWAY Co Ltd
Sichuan Road and Bridge Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SICHUAN SUIGUANGSUIXI EXPRESSWAY Co Ltd, Sichuan Road and Bridge Group Co Ltd filed Critical SICHUAN SUIGUANGSUIXI EXPRESSWAY Co Ltd
Priority to CN201320707274.5U priority Critical patent/CN203583881U/en
Application granted granted Critical
Publication of CN203583881U publication Critical patent/CN203583881U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a choke plug mechanism for a facing bare concrete formwork, which comprises a hollow nut, a formwork, a choke plug, a casing pipe and a pull rod, wherein the choke plug comprises a conical part and a cylindrical part; a stepped hole is arranged in the choke plug; a diameter of the stepped hole is matched with an outer diameter of the pull rod; a step is arranged on an outer wall of the hollow nut; the hollow nut is connected into an inner choke plug hole corresponding to the conical part; the formwork is limited and fixed between the step of the hollow nut and the conical part of the choke plug; the casing pipe is arranged in the inner choke plug hole corresponding to the cylindrical part in a matching way. After the choke plug mechanism for the facing bare concrete formwork is used, the formwork and the choke plug can be more conveniently and quickly , the holes are not damaged, and the reuse ratio is greatly increased.

Description

Fair-faced concrete form plug mechanism
Technical field
The utility model relates to a kind of clear-water concrete bolt hole shaped device, particularly a kind of fair-faced concrete form plug mechanism.
Background technology
While adopting clear-water concrete under construction, need to be to concrete wall one-shot forming, do not make any decoration, the nature that its natural texture using concrete itself and well-designed outseam, buddhist seam and split bolt hole are combined to form is during as decorative cover, will adopt highly polished template, and between two templates, use pull bar supporting and location, rod outer sleeve has sleeve pipe, in plug body, be provided with a stepped hole and sleeve pipe agrees with, this plug the inner is step cylinder.
As, China Patent No. " 201020569356.4 " discloses a kind of Shimizu concrete template plug, open day is on 03 28th, 2012, it comprises template and provided pipe, screwed pipe is placed in pattern hole, the screw thread of its one end and the screwed hole of plug match, and its other end and nut match, and large stepped hole and the provided pipe of plug match.
For another example, China Patent No. " 200920089598.0 " discloses a kind of fair-faced concrete form plug, open day is on 01 20th, 2010, comprise that termination is provided with screw thread minor diameter cylinder and major diameter stepped cylinder, described major diameter body is cone, stepped hole and sleeve pipe in major diameter cone match, and small diameter bore and pull bar in plug body match.
But Shimizu concrete template plug of the prior art in actual applications, also there are the following problems: one, in " 201020569356.4 ", after body of wall has been built, need to extract pull bar out and screw out after nut, template is dismantled and plug is dismantled from body of wall, finally screwed pipe and plug are together released from porthole, owing to having increased screwed pipe, not only increased cost, and installation and removal are loaded down with trivial details more at one's own expense.Two, the plug in above-mentioned two patented technologies is cone, although easily damage the problem in aperture in the time of can solving to a certain extent dismounting, the effect solving is unsatisfactory.Three, the endoporus of sleeve pipe is identical with the plug at sleeve pipe two ends or the aperture of screwed pipe endoporus, causes trombone slide swingable scope in sleeve pipe larger, easily damages plug, has reduced the rate of recycling of plug.Four, in plug when dismounting,, because tapered plug becomes flexible with concrete binding place, when nut is dismantled, there will be screwed pipe to synchronize and rotate with plug, causes plug and template to dismantle difficult phenomenon.
Summary of the invention
The purpose of this utility model is to overcome the problems referred to above that existing Shimizu concrete template plug exists, and a kind of novel fair-faced concrete form plug mechanism is provided.Adopt the utility model, template and plug dismounting are more convenient, do not damage eyelet completely, and can improve largely the rate of recycling.
For achieving the above object, the technical solution adopted in the utility model is as follows:
One fair-faced concrete form plug mechanism, comprise hollow nut, template, plug, sleeve pipe and pull bar, it is characterized in that: described plug comprises tapered portion and cylindrical portion, in plug, be provided with stepped hole, and the aperture of stepped hole and the external diameter of pull bar suitable; On described hollow nut outer wall, be provided with step, hollow nut is connected in the plug endoporus corresponding with tapered portion, and template is spacing to be fixed between the step of hollow nut and the tapered portion of plug, and sleeve pipe agrees with in the plug endoporus corresponding with cylindrical portion.
The aperture of the described plug endoporus corresponding with tapered portion is less than the aperture of the plug endoporus that cylindrical portion answers, and the aperture of stepped hole is less than the aperture of the plug endoporus corresponding with tapered portion, and the endoporus aperture of hollow nut is less than the aperture of stepped hole.
The end face that described plug is relative with template is provided with hermetically-sealed construction, and hermetically-sealed construction comprises the cannelure being arranged on plug end face and is arranged on the O type sealing rubber ring in cannelure, and the width of cannelure is less than the diameter of O type sealing rubber ring.
The plug endoporus corresponding to tapered portion of described plug is connected with the outer wall thread of hollow nut.
Stepped hole in described plug is set to the square mouth of carving coordinating with demounting tool.
Employing the utility model has the advantage of:
One, in the utility model, described plug comprises tapered portion and cylindrical portion, is provided with stepped hole in plug, and the aperture of stepped hole and the external diameter of pull bar suitable; Adopt this structure, stepped hole has position-limiting action to pull bar in sleeve pipe, makes trombone slide swingable scope in sleeve pipe little, can not damage plug, has improved the recycling rate of waterused of plug; Plug comprises tapered portion and cylindrical portion, and tapered portion can conveniently be dismantled plug, and cylindrical portion has transitional function, and the combination of tapered portion and cylindrical portion can farthest guarantee not damage eyelet when plug is dismantled.
Two, in the utility model, stepped hole in described plug is set to the square mouth of carving coordinating with demounting tool, during dismounting and square solid mouthful agree with of T-shaped plug demounting tool, positive and negative slight stressedly dismantle after loosening, can farthest guarantee not damage eyelet when plug is dismantled.
Three, in the utility model, on described hollow nut outer wall, be provided with step, hollow nut is connected in the plug endoporus corresponding with tapered portion, and template is spacing to be fixed between the step of hollow nut and the tapered portion of plug, and sleeve pipe agrees with in the plug endoporus corresponding with cylindrical portion; Adopt this structure, template is spacing on hollow nut by plug, all not identical with prior art, and adopt the mode of agreeing with, compared with prior art, template and plug are not only dismantled more convenient, and globality is better, and can avoid damaging plug, further improve the recycling rate of waterused of plug.
Four, in the utility model, the aperture of the described plug endoporus corresponding with tapered portion is less than the aperture of plug endoporus corresponding to cylindrical portion, the aperture of stepped hole is less than the aperture of the plug endoporus corresponding with tapered portion, the endoporus aperture of hollow nut is less than the aperture of stepped hole, adopt this mode, further guarantee by stepped hole spacing to pull bar, and in use, casing tube internal hole, stepped hole and hollow nut endoporus misplace mutually, have guaranteed the in use damage to plug and hollow nut.
Five, in the utility model, the end face that described plug is relative with template is provided with hermetically-sealed construction, hermetically-sealed construction comprises the cannelure being arranged on plug end face and is arranged on the O type sealing rubber ring in cannelure, and the width of cannelure is less than the diameter of O type sealing rubber ring, adopt this structure, during concreting mortar, make mortar can not enter gapped between template and plug end face, overcome between template and plug end face, have gap and when concreting mortar mortar enter and affect the problem of template dismounting.
Six, in the utility model, plug endoporus corresponding to the tapered portion of described plug is connected with the outer wall thread of hollow nut, adopts this mode to be not only convenient to installation and removal, and guaranteed the working strength after installation form.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation
Structural representation when Fig. 2 is the dismounting of the utility model structure plug
In figure, be labeled as: 1, hollow nut, 2, plug, 3, O type sealing rubber ring, 4, template, 5, sleeve pipe, 6, demounting tool.
The specific embodiment
A kind of fair-faced concrete form plug mechanism, comprises hollow nut 1, template 4, plug 2, sleeve pipe 5 and pull bar, and described plug 2 comprises tapered portion and cylindrical portion, in plug 2, is provided with stepped hole, and the aperture of stepped hole and the external diameter of pull bar suitable; On described hollow nut 1 outer wall, be provided with step, hollow nut 1 is connected in the plug corresponding with tapered portion 2 endoporus, and template 4 is spacing to be fixed between the step of hollow nut 1 and the tapered portion of plug 2, and sleeve pipe 5 agrees with in the plug corresponding with cylindrical portion 2 endoporus.
Preferred embodiment of the present utility model is, the aperture of described plug 2 endoporus corresponding with tapered portion is less than the aperture of plug 2 endoporus that cylindrical portion answers, the aperture of stepped hole is less than the aperture of the plug corresponding with tapered portion 2 endoporus, and the endoporus aperture of hollow nut 1 is less than the aperture of stepped hole.
Another preferred embodiment of the present utility model is, described plug 2 end face relative with template 4 is provided with hermetically-sealed construction, hermetically-sealed construction comprises the cannelure being arranged on plug 2 end faces and is arranged on the O type sealing rubber ring 3 in cannelure, and the width of cannelure is less than the diameter of O type sealing rubber ring 3.
Another preferred embodiment of the present utility model is that the plug endoporus corresponding to tapered portion of described plug 2 is connected with the outer wall thread of hollow nut 1, makes the part of the plug endoporus connection that hollow nut 1 is corresponding with tapered portion have the effect of screw rod.
In the utility model, the stepped hole in described plug is set to the square mouth of carving coordinating with demounting tool.During dismounting and square solid mouthful agree with of T-shaped plug demounting tool 6, positive and negative slight stressedly dismantle after loosening.
Operating principle of the present utility model is as follows:
Pull bar is imported in sleeve pipe 5, sleeve pipe 5 two ends are placed in the plug endoporus corresponding to cylindrical portion of two plugs, the cannelure of plug 2 is embedded in O type rubber seal and template 4 fits tightly, and then hollow nut 1 is passed after pull bar and the built-in silk thread mouth of plug screw and can carry out concreting.
When concrete solidifies not yet completely, i.e. detachable template 4 and plug 2, dismantles template 4 after first spinning off hollow nut 1 again, finally utilizes T-shaped plug demounting tool 6 that plug 2 is removed from porthole, after plug 2 is cleared up, can construct next time.
Plug when dismounting, first with T-shaped plug demounting tool 6, plug 2 is fixed to (as shown in Figure 1), then remove hollow nut 1, in the time of can preventing that hollow nut 1 from removing, plug 2 synchronously rotates, and then takes out T-shaped plug demounting tool, and template 4 is removed.After template 4 is removed, again with T-shaped plug demounting tool 6, plug 2 is fixed, after positive and negative slight stressed becoming flexible, plug 2 is dismantled, can farthest guarantee not damage eyelet when plug is dismantled.

Claims (5)

1. a fair-faced concrete form plug mechanism, comprise hollow nut (1), template (4), plug (2), sleeve pipe (5) and pull bar, it is characterized in that: described plug (2) comprises tapered portion and cylindrical portion, plug is provided with stepped hole in (2), and the aperture of stepped hole and the external diameter of pull bar suitable; On described hollow nut (1) outer wall, be provided with step, hollow nut (1) is connected in the plug corresponding with tapered portion (2) endoporus, template (4) is spacing to be fixed between the step of hollow nut (1) and the tapered portion of plug (2), and sleeve pipe (5) agrees with in the plug corresponding with cylindrical portion (2) endoporus.
2. fair-faced concrete form plug according to claim 1 mechanism, it is characterized in that: the aperture of the described plug corresponding with tapered portion (2) endoporus is less than the aperture of plug (2) endoporus that cylindrical portion answers, the aperture of stepped hole is less than the aperture of the plug corresponding with tapered portion (2) endoporus, and the endoporus aperture of hollow nut (1) is less than the aperture of stepped hole.
3. fair-faced concrete form plug according to claim 1 and 2 mechanism, it is characterized in that: the end face that described plug (2) is relative with template (4) is provided with hermetically-sealed construction, hermetically-sealed construction comprises the cannelure being arranged on plug (2) end face and is arranged on the O type sealing rubber ring (3) in cannelure, and the width of cannelure is less than the diameter of O type sealing rubber ring (3).
4. fair-faced concrete form plug according to claim 3 mechanism, is characterized in that: plug (2) endoporus corresponding to tapered portion of described plug (2) is connected with the outer wall thread of hollow nut (1).
5. according to the fair-faced concrete form plug mechanism described in claim 1,2 or 4, it is characterized in that: the stepped hole in described plug (2) is set to the square mouth of carving coordinating with demounting tool (6).
CN201320707274.5U 2013-11-11 2013-11-11 Choke plug mechanism for facing bare concrete formwork Expired - Fee Related CN203583881U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320707274.5U CN203583881U (en) 2013-11-11 2013-11-11 Choke plug mechanism for facing bare concrete formwork

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320707274.5U CN203583881U (en) 2013-11-11 2013-11-11 Choke plug mechanism for facing bare concrete formwork

Publications (1)

Publication Number Publication Date
CN203583881U true CN203583881U (en) 2014-05-07

Family

ID=50581821

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320707274.5U Expired - Fee Related CN203583881U (en) 2013-11-11 2013-11-11 Choke plug mechanism for facing bare concrete formwork

Country Status (1)

Country Link
CN (1) CN203583881U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107946909A (en) * 2017-11-30 2018-04-20 江西洪都航空工业集团有限责任公司 A kind of blanking cover for portable installation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107946909A (en) * 2017-11-30 2018-04-20 江西洪都航空工业集团有限责任公司 A kind of blanking cover for portable installation

Similar Documents

Publication Publication Date Title
CN203147123U (en) Quick-release connector for air compressor
CN203583881U (en) Choke plug mechanism for facing bare concrete formwork
CN203357366U (en) Insulating short section dismantling tool
CN203569888U (en) Water-stop split bolt structure capable of being reused
CN204060590U (en) Boring swelling device
CN101852236A (en) Detachable expansion nail
CN205342985U (en) High -speed wire rod baling press clamping cylinder bearing puller
CN206185801U (en) Blind hole bearing detaching device
CN204061585U (en) For connecting the connecting sleeve of live axle and output shaft
CN202114687U (en) Novel plunger dismounting and righting tool of cement truck plunger pump
CN203853403U (en) Pulling ring for automobile sheet metal repair
CN201386391Y (en) Plug for facing fair-faced concrete formwork
CN204004966U (en) Quick coupling
CN204195608U (en) Inner hexagon spanner
CN108437192A (en) Concrete frame big end for inside and outside bimodulus moulding by casting hangs muscle disk
CN204436986U (en) A kind of setscrew of quick installation
CN204386015U (en) The building block of pin trick
CN204059967U (en) Fixed building template taper split bolt assembly
CN202991762U (en) Demountable and reusable expansion screw
CN105275937A (en) Novel expansion bolt
CN203334673U (en) Connecting anchor bolt used for cast-in-place concrete composite thermal-insulation formworks
CN207362704U (en) A kind of highway bridge inherent stress mud-jacking quick coupling
CN211259964U (en) Glass fiber reinforced plastic oil pipe connector
CN106141994A (en) A kind of bearing extractor
CN104533085A (en) Detachable sealing-up screw

Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140507

Termination date: 20161111

CF01 Termination of patent right due to non-payment of annual fee