WO2014139228A1 - 一种混凝土模板锁扣装置 - Google Patents

一种混凝土模板锁扣装置 Download PDF

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Publication number
WO2014139228A1
WO2014139228A1 PCT/CN2013/076919 CN2013076919W WO2014139228A1 WO 2014139228 A1 WO2014139228 A1 WO 2014139228A1 CN 2013076919 W CN2013076919 W CN 2013076919W WO 2014139228 A1 WO2014139228 A1 WO 2014139228A1
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WO
WIPO (PCT)
Prior art keywords
side wall
tongue
bolt
concrete formwork
spring
Prior art date
Application number
PCT/CN2013/076919
Other languages
English (en)
French (fr)
Inventor
许金锔
吴清瑶
Original Assignee
Xu Jinju
Wu Qingyao
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 Xu Jinju, Wu Qingyao filed Critical Xu Jinju
Publication of WO2014139228A1 publication Critical patent/WO2014139228A1/zh

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
    • E04G13/04—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for lintels, beams, or transoms to be encased separately; Special tying or clamping means therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/0002—Auxiliary parts or elements of the mould
    • B28B7/0014—Fastening means for mould parts, e.g. for attaching mould walls on mould tables; Mould clamps
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
    • E04G13/02—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for columns or like pillars; Special tying or clamping means therefor
    • 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
    • F16B21/00—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings
    • F16B21/10—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings by separate parts
    • F16B21/12—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings by separate parts with locking-pins or split-pins thrust into holes
    • 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
    • F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
    • F16B7/04—Clamping or clipping connections
    • F16B7/044—Clamping or clipping connections for rods or tubes being in angled relationship
    • F16B7/048—Clamping or clipping connections for rods or tubes being in angled relationship for rods or for tubes without using the innerside thereof
    • F16B7/0486—Clamping or clipping connections for rods or tubes being in angled relationship for rods or for tubes without using the innerside thereof forming an abutting connection of at least one tube

Definitions

  • the invention relates to a fixing device for a concrete formwork, in particular to a concrete formwork locking device.
  • the formwork In the process of prefabricating concrete members, the formwork is used extensively. Because different shapes of buildings use different concrete templates, most of the templates cannot be reused, causing great waste; for this purpose, standardized template units are used, and the template units are repeatable. Use and splicing into concrete forms of various shapes. However, the existing formwork units are spliced one by one during construction and fixed with complicated fasteners, which is inefficient and inconvenient to operate.
  • a 'new type of concrete form fastener clamp' including a fastener and a lock member, the fastener having a first side wall sequentially enclosing an arcuate recess, a second side wall and a third side wall, the arcuate recess conforming to an outer shape of the fixed pipe of the concrete formwork;
  • the lock member includes a lock tongue and a lock handle, the lock tongue extending to the curved concave portion with an end portion thereof
  • the inner side of the mouth and the third side wall form a clamping and loosening fixing tube to be movably mounted on the first side wall of the fastener;
  • the lock handle connects the locking tongue and protrudes out of the first side wall;
  • the second side wall is along the The curved recess extends in the depth direction to form a convex portion.
  • the concrete formwork 2a is spliced in a desired shape, and the fixed pipe 1a is erected at a place where the outer periphery of the surrounding concrete formwork 2a is to be reinforced.
  • the end of the lock member is loosened against the fixed pipe, and the buckle clamp 3a can be removed from the fixed pipe 1a.
  • the fastener of the buckle clamp 3a is attached to the outer surface of the concrete formwork 2a, and does not allow the plurality of concrete formwork 2a enclosed together to be close together, and usually a plurality of U-shaped pieces are placed on the periphery of the concrete formwork 2a. Clips, etc., U-shaped clips are bent into U-shapes using steel bars. If the pillar or beam to be cast is long, a plurality of U-shaped clips are required to be clamped on the periphery of the concrete formwork 2a, which is not only cumbersome to operate, but also has to be further improved in clamping degree. In addition, since the fixed pipe 1a cannot abut against the periphery of the concrete formwork 2a, when the pillar or the beam is poured, it will fall downward, and there is also a certain safety hazard.
  • an object of the present invention is to provide a concrete formwork locking device capable of improving the degree of clamping.
  • the solution of the present invention is:
  • a concrete formwork locking device comprises a fastener and a lock member, the fastener having a first side wall, a second side wall and a third side wall enclosing the arcuate recesses in sequence, the curved recess and the concrete formwork
  • the shape of the fixing tube is matched; the locking member is movably mounted on the first side wall with the end portion extending into the curved recess and the third side wall forming a clamping and loosening fixing tube; further comprising a first bolt, The second side wall extends outward to form a boss, and the boss is provided with a threaded hole adapted to the first bolt.
  • the lock member includes a lock tongue, a lock handle and a spring, the first side wall is provided with a tongue groove, the lock tongue is disposed in the tongue groove, and one end of the lock tongue protrudes out of the tongue groove and the third side wall Correspondingly, the two ends of the spring respectively abut against the other end of the bolt and the bottom groove wall of the tongue groove.
  • the first side wall is provided with a tongue groove, the tongue is disposed in the tongue groove, and one end of the tongue protrudes from the tongue groove and is disposed corresponding to the third side wall; a spring slot is disposed in the bolt, the bolt passes through the first side wall and is inserted into the spring slot, the spring is disposed in the spring slot, and the two ends of the spring respectively abut against the slot wall and the pin of the spring slot .
  • a concrete formwork locking device further includes a second bolt, the first side wall is provided with a threaded hole along the opening direction of the arcuate notch, and the end of the second bolt passes through the threaded hole and abuts against the top Said on one end of the bolt.
  • the locking member adopts a bolt structure, and the first side wall is provided with a threaded hole along the opening direction of the arcuate recess, and the end of the locking member passes through the threaded hole and extends into the curved concave portion. In the mouth.
  • the concrete formwork locking device of the present invention has the following beneficial effects: when pouring concrete of a shape such as a column or a beam, the concrete formwork is spliced according to a desired shape, and the reinforcement is required in the periphery of the relatively enclosed concrete formwork.
  • the fastener is attached to the concrete formwork, and the fixed pipe is engaged in the arc-shaped recess, so that the lock member and the third side wall together hold the fixed pipe tightly.
  • the first bolt is then rotated so that the end of the first bolt is tightly pressed against the concrete formwork, so that the enclosed multi-piece concrete formwork is tightly clamped together.
  • Figure 1 is a schematic view of a conventional concrete formwork locking device in a pouring state
  • FIG. 2 is a schematic structural view 1 of a first embodiment of a concrete formwork locking device according to the present invention
  • FIG. 3 is a schematic structural view 2 of a first embodiment of a concrete formwork locking device according to the present invention.
  • Figure 4 is a schematic structural view of a fastener in the present invention.
  • Figure 5 is a cross-sectional view of the fastener of the present invention.
  • Figure 6 is a schematic view showing the use state of a first embodiment of a concrete formwork locking device according to the present invention.
  • Figure 7 is a schematic view showing the state of clamping of the concrete form of the present invention when the column is poured;
  • Figure 8 is a schematic view showing the state of clamping of the concrete form of the present invention when pouring the beam;
  • FIG. 9 is a schematic structural view of a second embodiment of a concrete formwork locking device according to the present invention.
  • FIG. 10 is a schematic structural view of a third embodiment of a concrete formwork locking device according to the present invention.
  • a concrete formwork locking device of the present invention includes a fastener 1, a lock member 2 and a first bolt 3.
  • the fastener 1 has a first side wall 11, a second side wall 12 and a third side wall 13 which in turn enclose an arcuate recess 10.
  • the curved recess 10 coincides with the outer shape of the fixed pipe 1a for fixing the concrete formwork 2a.
  • the lock member 2 includes a lock tongue 21 and a lock handle 22 which is mounted on the first side wall 11 of the fastener in such a manner as to be movable in the depth direction of the arcuate recess 10.
  • the end of the bolt 21 extends into the arcuate recess 10, and the end of the bolt 21 clamps the fixed tube 1a together with the third side wall 13.
  • the lock handle 22 adopts a rod-like structure, and one end portion of the lock lever 22 is connected to the tail portion of the lock tongue 21, and the other end portion is extended outside the first side wall 11.
  • two lock handles 22 may be used. One ends of the two lock handles 22 are respectively connected to opposite sides of the lock tongue 21, and the other end portions of the two lock handles 22 are respectively opposite from the opposite outer surfaces of the first side wall 11. Extend on.
  • a spring 4 is further included.
  • the first side wall 11 has a tongue groove 14 formed therein.
  • the locking tongue 21 is disposed in the tongue groove 14 and the front end portion of the locking tongue 21 protrudes from the tongue groove 14 and
  • the third side wall 13 is correspondingly disposed.
  • the spring 4 is disposed in the tongue groove 14, and the two ends of the spring 4 abut against the tail portion of the bolt 21 and the bottom groove wall of the tongue groove 14, respectively.
  • a second bolt 5 is further included, the second bolt 5 has a bolt head and a bolt rod, and the end of the bolt rod has a tapered shape.
  • a second threaded hole 111 is formed in the first side wall 11 along the opening direction of the arcuate recess 10.
  • the opening direction of the arcuate recess 10 means the opening direction between the first side wall 11 and the third side wall 13.
  • the bolt rod of the second bolt 5 passes through the threaded hole and abuts against the front end portion of the bolt 21.
  • the second bolt 5 is screwed in and out of the second screw hole 111, and the front end portion of the bolt 21 is tightly held together with the third side wall 13 to loosen the fixing tube 1a.
  • the second side wall 12 extends outward to form a boss 15 .
  • the protrusion 15 is provided with a first threaded hole 151 , and the first bolt 3 is mounted in the first threaded hole 151 .
  • first bolt 3 is a hexagonal head or a square head, and the first bolt 3 is screwed or unscrewed in the first screw hole 151 by a wrench, and the other end of the first bolt 3 has a tapered shape.
  • second bolt 5 and the first bolt 3 may have the same structure, for example, a bolt head, or a hexagon head or a square head, respectively.
  • the second bolt 5 is tightened so that the end of the bolt rod of the second bolt 5 and the third side wall 13 together hold the fixed tube 1a tightly.
  • the concrete formwork 2a is not inclined outwardly, and the U-shaped clip for clamping the concrete formwork 2a can be omitted, and the operation is more convenient.
  • the concrete can be poured into the formation of the concrete formwork 2a, and the molding density is ideal. Since the fixed pipe 1a can abut against the periphery of the concrete formwork 2a, the pillars or beams are not slid down or fall off, and safety is also improved.
  • the fixing tube 1a is difficult to escape from the arcuate recess 10 when the fixing tube 1a is engaged. Improves the reliability of the card to achieve safe production.
  • the main difference between this embodiment and the first embodiment is that it also includes the latch 6 and the arrangement of the spring 4.
  • a spring groove 23 is formed in the bolt 21, and one end of the bolt 6 passes through the first side wall 11 and is inserted into the spring groove 23.
  • the spring 4 is disposed in the spring groove 23, and the two ends of the spring 4 are respectively abutted. On the groove wall of the spring groove 23 and the above end of the plug 6.
  • the springs 4 are plural and disposed side by side in the spring slots 23, and the pins 6 are interposed between the two springs 4.
  • a short spring groove 23 can be formed on the bolt 21, and a plurality of springs 4 are provided to realize a large elastic force, thereby improving the fastening reliability of the buckle clamp.
  • the tail portion of the locking tongue 21 is bent to form a lock lever 22, and the lock lever 22 projects upwardly beyond the first side wall 11. Since the locking tongue 21 and the lock lever 22 adopt an integral bending structure, the manufacturing is easy, and the pushing force area of the locking handle 22 is large, which facilitates the sliding of the locking tongue 21, and the operation is quicker and more labor-saving.
  • the wall of the first side wall 11 on which the threaded hole is formed faces outwardly to extend the hole depth of the threaded hole, so that the first side wall 11 is small in size.
  • the nut may be welded to the first side wall 11 corresponding to the threaded hole to save manufacturing cost.
  • the main difference between this embodiment and the first embodiment is that the second bolt 5 adopts a countersunk bolt structure.
  • the second bolt 5 is screwed in and out of the second threaded hole 111 in the first side wall 11 by the second bolt 5 being rotated by the screwdriver.
  • the main difference between this embodiment and the first embodiment is that the lock member 2' adopts a bolt structure, and no lock tongue is provided in this embodiment.
  • a second threaded hole 111 is formed in the first side wall 11 along the opening direction of the arcuate recess 10.
  • the two ends of the lock member 2' are respectively a lock handle end 21' and a threaded end 22' having a threaded structure.
  • the threaded end 22' passes through the second threaded hole 111 and extends into the arcuate recess 10 and is located in the curved recess.
  • the lock end 21' is located outside the first side wall 11.
  • the lock member 2' adopts a bolt structure and is directly inserted into the second threaded hole 111 on the first side wall 11.
  • the locking member 2' is screwed in and out of the second threaded hole 111, and the threaded end 22' is tightly clamped together with the second side wall 12 to loosen the fixing tube 1a.
  • This embodiment is simple in structure and easy to operate.
  • the structure of the fastener 1, the structure of the bolt 21, the number of the springs 4 and the manner of setting thereof, the structure of the lock member 2', the second bolt 5, and the manner of setting thereof can be Combine with each other to form more embodiments, and will not be described again.

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Abstract

一种混凝土模板锁扣装置，包括扣件（1）、锁件（2）和第一螺栓（3）。扣件（1）的弧形凹口（10）由第一侧壁（11）、第二侧壁（12）和第三侧壁（13）围成。锁件（2）活动安装在第一侧壁（11）上，其端部伸入弧形凹口（10）内，与第三侧壁（13）共同夹持固定管（1a）。第二侧壁（12）向外延伸形成凸座（15），凸座（15）上设置与第一螺栓（3）相匹配的螺纹孔（151）。这种混凝土模板锁扣装置安装简便，使用安全。

Description

一种混凝土模板锁扣装置 技术领域
本发明涉及一种混凝土模板用固定装置，特别是涉及一种混凝土模板锁扣装置。
背景技术
在预制混凝土构件的过程中大量使用模板，由于不同形状的建筑物使用的混凝土模板不同，因此大部分的模板不能重复使用造成了极大浪费；为此采用了标准化的模板单元，模板单元可重复使用并能拼接成各种形状的混凝土模板。但是现有的模板单元在施工时一块块地拼接，并用复杂的紧固件进行固定，效率低下且操作不便。
为了解决上述问题，本申请人申请了公开号为的'一种新型混凝土模板用扣夹具'，包括扣件和锁件，所述扣件具有依次围成弧形凹口的第一侧壁、第二侧壁和第三侧壁，此弧形凹口与混凝土模板用固定管的外形相吻合；所述锁件包括锁舌和锁把，锁舌以其端部伸至所述弧形凹口内与第三侧壁形成夹持和放松固定管的方式活动安装在扣件的第一侧壁上；锁把连接锁舌且伸出第一侧壁外；所述第二侧壁沿所述弧形凹口的进深方向延伸形成凸部。
如图1所示，浇筑柱子或梁形状的混凝土4a时，按所需形状拼接混凝土模板2a，在相对围设的混凝土模板2a外围需要加固的地方架设固定管1a。将扣夹具3a的扣件贴在混凝土模板2a的外表面上，将固定管1a卡在弧形凹口内，使扣夹具3a的锁件的端部和第三侧壁一起将固定管1a紧固在弧形凹口内，从而将固定管1a围设在混凝土模板2a的外围。拆卸时，锁件的端部放松对固定管的抵顶，即可将扣夹具3a从固定管1a上取下。
但是，扣夹具3a的扣件贴在混凝土模板2a的外表面上，并不能使围设在一起的多块混凝土模板2a紧靠在一起，通常会在混凝土模板2a的外围夹上若干个U型夹等，U型夹采用钢条弯成U字型。如果浇筑的柱子或梁较长，则需在混凝土模板2a的外围夹上多个U型夹，不仅操作起来很繁琐，而且其夹紧度仍有待于进一步提高。另外，由于固定管1a不能紧靠在混凝土模板2a外围，浇筑柱子或梁时会向下滑落，也存在一定的安全隐患。
发明内容
有鉴于此，本发明的目的在于提供一种能提高夹紧度的混凝土模板锁扣装置。
为了达成上述目的，本发明的解决方案是：
一种混凝土模板锁扣装置，包括扣件和锁件，扣件具有依次围成弧形凹口的第一侧壁、第二侧壁和第三侧壁，此弧形凹口与混凝土模板用固定管的外形相吻合；锁件以其端部伸至弧形凹口内与第三侧壁形成夹持和放松固定管的方式活动安装在第一侧壁上；还包括第一螺栓，所述第二侧壁向外延伸形成凸座，凸座上开有与第一螺栓相适配的螺纹孔。
所述锁件包括锁舌、锁把和弹簧，所述第一侧壁上开有舌槽，锁舌设置在舌槽内且锁舌的一端部伸出舌槽外与所述第三侧壁对应设置，弹簧的两端部分别抵顶在锁舌的另一端部和舌槽的底槽壁上。
所述还包括弹簧和插销，所述第一侧壁上开有舌槽，所述锁舌设置在舌槽内且锁舌的一端部伸出舌槽外与所述第三侧壁对应设置；锁舌内设有弹簧槽，插销穿过所述第一侧壁后插设在弹簧槽内，弹簧设置在弹簧槽内，且弹簧的两端部分别抵顶在弹簧槽的槽壁和插销上。
一种混凝土模板锁扣装置还包括第二螺栓，所述第一侧壁上沿所述弧形凹口张开方向设有螺纹孔，第二螺栓的端部穿过螺纹孔后抵顶在所述锁舌的所述一端部上。
所述锁件采用螺栓结构，所述第一侧壁上沿所述弧形凹口张开方向设有螺纹孔，所述锁件的端部穿过此螺纹孔后伸入所述弧形凹口内。
采用上述结构后，本发明的一种混凝土模板锁扣装置具有以下有益效果：浇筑柱子、梁等形状的混凝土时，按所需形状拼接混凝土模板，在相对围设的混凝土模板外围需要加固的地方架设固定管。首先将扣件贴在混凝土模板上，将固定管卡合在弧形凹口内，使锁件与第三侧壁一起紧紧夹持住固定管。然后旋转第一螺栓，使第一螺栓的端部紧紧抵顶在混凝土模板上，从而使围设的多块块混凝土模板被紧紧夹固住在一起。
附图说明
图1为现有的混凝土模板锁扣装置在浇筑状态下的示意图；
图2为本发明的一种混凝土模板锁扣装置实施例一的结构状态示意图一；
图3为本发明的一种混凝土模板锁扣装置实施例一的结构示意图二；
图4为本发明中的扣件的结构示意图；
图5为本发明中的扣件的剖视示意图；
图6为本发明的一种混凝土模板锁扣装置实施例一的使用状态示意图；
图7为采用本发明的混凝土模板在浇筑柱子时的夹固状态示意图；
图8为采用本发明的混凝土模板在浇筑梁时的夹固状态示意图；
图9为本发明的一种混凝土模板锁扣装置实施例二的结构示意图；
图10为本发明的一种混凝土模板锁扣装置实施例三的结构示意图。
具体实施方式
为了进一步解释本发明的技术方案，下面通过具体实施例来对本发明进行详细阐述。
实施例一
如图2至5所示，本发明的一种混凝土模板锁扣装置，包括扣件1、锁件2和第一螺栓3。
扣件1具有依次围成弧形凹口10的第一侧壁11、第二侧壁12和第三侧壁13。弧形凹口10与固定管1a的外形相吻合，固定管1a用于夹固混凝土模板2a。
锁件2包括锁舌21和锁把22，锁舌21以能沿弧形凹口10进深方向活动的方式安装在扣件的第一侧壁11上。锁舌21的端部伸至弧形凹口10内，且锁舌21的端部与第三侧壁13一起夹持固定管1a。
锁把22采用一个杆状结构，锁把22的一端部连接锁舌21的尾部，另一端部伸出第一侧壁11外。另外，还可采用两个锁把22，两个锁把22的一端部分别连接锁舌21的相对两侧面，两个锁把22的另一端部分别从第一侧壁11的相对两外表面上伸出。
作为本发明的一个较佳实施例，还包括弹簧4，第一侧壁11上开有舌槽14，锁舌21设置在舌槽14内且锁舌21的前端部伸出舌槽14外与第三侧壁13对应设置。弹簧4设置在舌槽14内，且弹簧4的两端部分别抵顶在锁舌21的尾部和舌槽14的底槽壁上。
作为本发明的另一较佳实施例，还包括第二螺栓5，第二螺栓5具有螺栓头和螺栓杆，且螺栓杆的端部呈锥状。第一侧壁11上沿弧形凹口10张开方向设有第二螺纹孔111。所谓弧形凹口10张开方向是指第一侧壁11和第三侧壁13之间的开口方向。第二螺栓5的螺栓杆穿过螺纹孔后抵顶在锁舌21的前端部上。使第二螺栓5在第二螺纹孔111内旋进旋出，锁舌21的前端部与第三侧壁13一起紧紧夹持、松开固定管1a。
第二侧壁12向外延伸形成凸座15，凸座15上开有第一螺纹孔151，第一螺栓3安装在第一螺纹孔151内。
第一螺栓3的一端部为六角头或方头，通过扳手使第一螺栓3在第一螺纹孔151内旋进或旋出，第一螺栓3的另一端呈锥状。另外，第二螺栓5和第一螺栓3可以采用相同的结构，例如分别采用带有螺栓头的，或者是六角头或方头等。
如图7所示采用本实施例浇筑柱子，如图8所示浇筑梁等形状的混凝土4a时，按所需形状拼接混凝土模板2a，在相对围设的混凝土模板2a外围需要加固的地方架设固定管1a。首先，将扣件1贴在混凝土模板2a上，握住锁把22将锁舌21向外拉出，将固定管1a卡合在弧形凹口10内，然后松开锁把22，锁舌21在弹簧4的弹力作用下自动回复原位并抵在固定管1a上。然后，旋紧第二螺栓5，使第二螺栓5的螺栓杆的端部和第三侧壁13一起将固定管1a紧紧卡住。再旋转第一螺栓3，使第一螺栓3的端部紧紧抵顶在混凝土模板2a的外表面上，从而使相对围设的两块混凝土模板2a及两块中间的一块混凝土模板2a被紧紧夹固在一起，混凝土模板2a不会分别向外倾斜，还可省去用于夹固混凝土模板2a用的U型夹等，而且操作起来更为便捷。这样混凝土能够浇筑成混凝土模板2a所围成的形成，而且成型密度较为理想。由于固定管1a能紧靠在混凝土模板2a外围，浇筑柱子或梁时不会向下滑落或脱落，还提高了安全性。
另外，由于锁舌21的前端部伸入弧形凹口10内且位于弧形凹口10的开口处，这样卡装固定管1a时，固定管1a很难从弧形凹口10中脱出，可提高卡固的可靠性，从而实现安全生产。
实施例二
如图9所示，本实施例与实施例一的主要区别在于，还包括插销6，以及弹簧4的设置方式。
锁舌21上开有弹簧槽23，插销6的一端部穿过第一侧壁11后插设在弹簧槽23内，弹簧4设置在弹簧槽23内，且弹簧4的两端部分别抵顶在弹簧槽23的槽壁和插销6上述端部上。
作为本发明的一个较佳实施例，弹簧4为多个且并排设置在弹簧槽23内，插销6插在两个弹簧4之间。这样，对于尺寸规格较小的扣夹具而言，可在锁舌21上开设较短的弹簧槽23，通过设置多个弹簧4来实现较大的弹力，进而提高扣夹具的卡固可靠性。
作为本发明的另一较佳实施例，锁舌21的尾部弯折形成锁把22，锁把22向上伸出第一侧壁11外。由于锁舌21和锁把22采用一体弯折式结构，便于制造，且锁把22的按推的受力面积较大，便于拨动锁舌21，操作更快捷省力。
作为本发明的再一较佳实施例，第一侧壁11上开设上述螺纹孔的壁面向外凸出，以延长上述螺纹孔的孔深，这样，对于尺寸规格较小，第一侧壁11较薄的扣夹具而言，通过加深螺纹孔，增加第二螺栓5与螺纹孔的配合面，从而提高扣夹具的卡固可靠性。另外，也可将螺母对应上述螺纹孔焊接在第一侧壁11上，以节约制造成本。
实施例三
本实施例与实施例一的主要区别在于第二螺栓5采用沉头螺栓结构。使用时，通过起子旋转第二螺栓5，使第二螺栓5在第一侧壁11上的第二螺纹孔111内旋进旋出。
实施例四
如图10所示，本实施例与实施例一的主要区别在于锁件2'采用螺栓结构，且本实施例中没有设置锁舌。
第一侧壁11上沿弧形凹口10张开方向设有第二螺纹孔111。锁件2'的两端部分别为锁把端21'和具有螺纹结构的螺纹端22'，螺纹端22'穿过第二螺纹孔111后伸入弧形凹口10内且位于弧形凹口10的开口处，锁把端21'位于第一侧壁11外。
本实施例中，锁件2'采用螺栓结构，直接穿设在第一侧壁11上的第二螺纹孔111内。锁件2'在第二螺纹孔111内旋进旋出，螺纹端22'与第二侧壁12一起紧紧夹持、松开固定管1a。本实施例结构简单也易于操作。
另外，本发明中的上述各实施例中，扣件1的结构，锁舌21的结构，弹簧4的数量及其设置方式，锁件2'、第二螺栓5的结构及其设置方式均可互相组合，从而形成更多的实施例，在些不再赘述。

Claims (5)

  1. 一种混凝土模板锁扣装置，包括扣件和锁件，扣件具有依次围成弧形凹口的第一侧壁、第二侧壁和第三侧壁，此弧形凹口与混凝土模板用固定管的外形相吻合；锁件以其端部伸至弧形凹口内与第三侧壁形成夹持和放松固定管的方式活动安装在第一侧壁上；其特征在于：还包括第一螺栓，所述第二侧壁向外延伸形成凸座，凸座上开有与第一螺栓相适配的螺纹孔。
  2. 如权利要求1所述的一种混凝土模板锁扣装置，其特征在于：所述锁件包括锁舌、锁把和弹簧，所述第一侧壁上开有舌槽，锁舌设置在舌槽内且锁舌的一端部伸出舌槽外与所述第三侧壁对应设置，弹簧的两端部分别抵顶在锁舌的另一端部和舌槽的底槽壁上。
  3. 如权利要求1所述的一种混凝土模板锁扣装置，其特征在于：所述还包括弹簧和插销，所述第一侧壁上开有舌槽，所述锁舌设置在舌槽内且锁舌的一端部伸出舌槽外与所述第三侧壁对应设置；锁舌内设有弹簧槽，插销穿过所述第一侧壁后插设在弹簧槽内，弹簧设置在弹簧槽内，且弹簧的两端部分别抵顶在弹簧槽的槽壁和插销上。
  4. 如权利要求2或3所述的一种混凝土模板锁扣装置，其特征在于：还包括第二螺栓，所述第一侧壁上沿所述弧形凹口张开方向设有螺纹孔，第二螺栓的端部穿过螺纹孔后抵顶在所述锁舌的所述一端部上。
  5. 如权利要求1所述的一种混凝土模板锁扣装置，其特征在于：所述锁件采用螺栓结构，所述第一侧壁上沿所述弧形凹口张开方向设有螺纹孔，所述锁件的端部穿过此螺纹孔后伸入所述弧形凹口内。
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CN109098443A (zh) * 2018-10-10 2018-12-28 山西金辰绿环建筑技术有限公司 建筑模板用锁扣

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