TWM541486U - Screw thread type rebar-planting device - Google Patents

Screw thread type rebar-planting device Download PDF

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Publication number
TWM541486U
TWM541486U TW106201363U TW106201363U TWM541486U TW M541486 U TWM541486 U TW M541486U TW 106201363 U TW106201363 U TW 106201363U TW 106201363 U TW106201363 U TW 106201363U TW M541486 U TWM541486 U TW M541486U
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Taiwan
Prior art keywords
screw
segment
threaded
concrete structure
thread
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TW106201363U
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Chinese (zh)
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tai-yuan Du
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Shehkai Precision Co Ltd
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Application filed by Shehkai Precision Co Ltd filed Critical Shehkai Precision Co Ltd
Priority to TW106201363U priority Critical patent/TWM541486U/en
Publication of TWM541486U publication Critical patent/TWM541486U/en
Priority to JP2017002211U priority patent/JP3211680U/en
Priority to DE202017103588.3U priority patent/DE202017103588U1/en

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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38Connections for building structures in general
    • E04B1/41Connecting devices specially adapted for embedding in concrete or masonry
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/16Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
    • E04C5/20Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups of material other than metal or with only additional metal parts, e.g. concrete or plastics spacers with metal binding wires
    • E04C5/208Spacers especially adapted for cylindrical reinforcing cages
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38Connections for building structures in general
    • E04B1/41Connecting devices specially adapted for embedding in concrete or masonry
    • E04B2001/4192Connecting devices specially adapted for embedding in concrete or masonry attached to concrete reinforcing elements, e.g. rods or wires
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/16Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
    • E04C5/162Connectors or means for connecting parts for reinforcements
    • E04C5/163Connectors or means for connecting parts for reinforcements the reinforcements running in one single direction
    • E04C5/165Coaxial connection by means of sleeves

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Reinforcement Elements For Buildings (AREA)
  • Joining Of Building Structures In Genera (AREA)

Description

螺紋式植筋裝置Threaded planting device

本新型是有關於一種植筋裝置,特別是指一種螺紋式植筋裝置。The present invention relates to a planting rib device, and more particularly to a threaded planting device.

所謂的化學式植筋,主要是先利用鑽孔工具在一混凝土建築物之植筋預定位置鑽攻出適當數量的螺孔,再利用鋼刷或者噴氣槍伸入螺孔中清除螺孔內的雜質,接著再於螺孔中填裝藥劑。目前植筋所使用之藥劑主要成分為環氧樹脂或水泥基底,以在固化後供鋼筋植筋用。The so-called chemical type planting bar is mainly to first drill a suitable number of screw holes in a predetermined position of the planting bar of a concrete building by using a drilling tool, and then use a steel brush or a jet gun to protrude into the screw hole to remove impurities in the screw hole. Then, the drug is filled in the screw hole. At present, the main component of the agent used for planting tendons is epoxy resin or cement substrate, which is used for reinforcing steel bars after curing.

然而,上述傳統的植筋工法除了清除螺孔內之雜質的步驟繁瑣費工之外,且若應用於高溫潮濕的氣候中,加上使用摻海砂的混凝土及施工品質不良等等因素,鋼筋混凝土構造物特別容易腐蝕,當混凝土內部鋼筋表面的氯離子超過一定的量時,植筋藥劑會產生潛變,當潛變達到一定程度,鋼筋表面的保護性鈍化膜開始破壞,接著鋼筋開始腐蝕膨脹,造成混凝土層發生龜裂、崩落。有鑒於上述化學式植筋的缺點,故近年來已逐漸發展非化學式植筋的相關技術。However, the above-mentioned conventional ribbing method is complicated and laborious in addition to the step of removing the impurities in the screw holes, and if applied to a high temperature and humid climate, combined with the use of sea sand mixed concrete and poor construction quality, etc. Concrete structures are particularly prone to corrosion. When the chloride ion on the surface of the concrete inside the concrete exceeds a certain amount, the planting agent will produce a latent change. When the creeping force reaches a certain level, the protective passivation film on the surface of the steel bar begins to break, and then the steel bar begins to corrode. Swelling causes cracking and caving of the concrete layer. In view of the shortcomings of the above chemical type planting tendons, related technologies of non-chemical type planting bars have been gradually developed in recent years.

參閱圖1,為一現有的混凝土植筋裝置1,適用於一混凝土結構物10,該混凝土結構物10於設置該混凝土植筋裝置1的位置穿設有一定位螺孔101。該混凝土植筋裝置1包含一錨栓11、一鋼筋12,以及一接合單元13。該錨栓11包括一螺頭部111、一與該螺頭部111相連接且外表面環繞形成有一外螺牙110之螺桿部112,及一由該螺頭部111朝該螺桿部112延伸之螺槽部113。該錨栓11之該螺桿部112是藉由該外螺牙110,與該混凝土結構物10之該定位螺孔101相螺接而埋置於該混凝土結構物10中,該錨栓11之該螺頭部111則凸出於該混凝土結構物10外表面。該接合單元13設於該鋼筋12至少一端,且該接合單元13包括一螺結部131,該鋼筋12是藉由該接合單元13之該螺結部131與該錨栓11之該螺槽部113相螺接。Referring to Fig. 1, a conventional concrete planting device 1 is applied to a concrete structure 10 which is provided with a positioning screw hole 101 at a position where the concrete planting device 1 is disposed. The concrete planting device 1 comprises an anchor 11, a reinforcing bar 12, and an engaging unit 13. The anchor 11 includes a screw head 111, a screw portion 112 connected to the screw head 111 and having an outer surface surrounding an external thread 110, and a screw portion 111 extending toward the screw portion 112. The groove portion 113. The screw portion 112 of the anchor bolt 11 is embedded in the concrete structure 10 by being screwed with the positioning screw hole 101 of the concrete structure 10, and the anchor bolt 11 is The screw head 111 protrudes from the outer surface of the concrete structure 10. The engaging unit 13 is disposed at at least one end of the reinforcing bar 12, and the engaging unit 13 includes a screwing portion 131. The reinforcing bar 12 is the screwing portion 131 of the engaging unit 13 and the screw groove portion of the anchor bolt 11. 113 phase screwing.

然而,由於該混凝土植筋裝置1必須先行固定該錨栓11,才將該鋼筋12藉由該結合單元13之螺結部131而鎖固植入,需進行的安裝步驟尚嫌繁瑣。況且,由於該錨栓11的螺桿部112鎖入該定位螺孔101時,必須考量到預先鑽設之定位螺孔101的深度、寬度,若該錨栓11鎖入後,該螺桿部112未完整填滿該定位螺孔101的空間而留有空隙,除了可能在日後造成積水的情況,也會影響該錨栓11的鎖固可靠性,使得所建構之建築結構的整體強度產生疑慮。However, since the concrete planting device 1 must first fix the anchor bolt 11, the reinforcing bar 12 is locked and implanted by the screwing portion 131 of the coupling unit 13, and the installation step to be performed is cumbersome. Moreover, since the screw portion 112 of the anchor bolt 11 is locked into the positioning screw hole 101, the depth and width of the pre-drilled positioning screw hole 101 must be considered. If the anchor bolt 11 is locked, the screw portion 112 is not The space in which the positioning screw hole 101 is completely filled with a gap, in addition to the possibility of causing water accumulation in the future, also affects the locking reliability of the anchor bolt 11, causing doubts about the overall strength of the constructed building structure.

因此,本新型之目的,即在提供一種得以簡化植入步驟並確保鎖固之可靠性的螺紋式植筋裝置。Accordingly, it is an object of the present invention to provide a threaded planting device that simplifies the implantation step and ensures the reliability of the locking.

於是,本新型螺紋式植筋裝置,適用於植入一混凝土結構物,該混凝土結構物包括一圍繞出一預鑽孔的內壁面,及一距離該混凝土結構物之表面一段預定深度的底壁面。該螺紋式植筋裝置包含一定義一中心軸線的鋼筋、一個一體連接於該鋼筋之一端的螺頭、一形成於該鋼筋之另一端的痕跡焊料,及一個一體連接於該痕跡焊料且沿該中心軸線延伸的螺桿。Therefore, the novel thread type planting device is suitable for implanting a concrete structure, the concrete structure comprising an inner wall surface surrounding a pre-drilled hole, and a bottom wall surface having a predetermined depth from a surface of the concrete structure. . The threaded planting device comprises a reinforcing bar defining a central axis, a screw head integrally connected to one end of the reinforcing bar, a trace solder formed on the other end of the reinforcing bar, and a solder integrally connected to the trace A screw extending from the center axis.

該螺桿的長度等於該預定深度,而沿該中心軸線的投影範圍位於該痕跡焊料的投影範圍中。該螺桿包括一桿體,及一螺旋環設於該桿體上的螺紋。該桿體具有一連接於該痕跡焊料的無牙段,及一形成有該螺紋的螺牙段,該無牙段的直徑大於螺牙段的直徑。該螺牙段螺入該預鑽孔時,該無牙段接續該螺牙段進入該預鑽孔,並徑向頂抵該內壁面,直到該痕跡焊料擋制於該混凝土結構物,則該螺桿頂抵該混凝土結構物的底壁面。The length of the screw is equal to the predetermined depth, and the projection range along the central axis is in the projection range of the trace solder. The screw includes a rod body and a thread of a spiral ring disposed on the rod body. The rod body has a toothless section connected to the trace solder, and a thread segment formed with the thread, the diameter of the toothless section being larger than the diameter of the thread section. When the screw segment is screwed into the pre-drilled hole, the toothless segment continues the threaded segment into the pre-drilled hole and radially abuts against the inner wall surface until the trace solder is shielded from the concrete structure, The screw abuts against the bottom wall of the concrete structure.

本新型之功效在於:該螺紋式植筋裝置可自該螺頭操作而繞該中心軸線旋轉,該螺牙段藉由該螺紋切割該混凝土結構物的內壁面而先行螺入,該無牙段接續該螺牙段進入該預鑽孔,該無牙段較該螺牙段要大的直徑,除了能加強該螺桿整體的結構強度,還能徑向頂抵該內壁面而強化鎖固力,直到該痕跡焊料擋制於該混凝土結構物,顯示該螺桿已頂抵該混凝土結構物的底壁面,也就是該螺桿已確實鎖入該預鑽孔,且填補該預鑽孔的空隙,故能確保鎖固之可靠性以及後續建構建築結構體的安全性。The effect of the present invention is that the threaded planting device can be rotated from the screw head about the central axis, and the threaded segment is first screwed by cutting the inner wall surface of the concrete structure, the toothless segment Continuing the screw segment into the pre-drilled hole, the toothless segment has a larger diameter than the screw segment, in addition to strengthening the overall structural strength of the screw, and radially abutting the inner wall surface to strengthen the locking force. Until the trace solder is shielded from the concrete structure, it is shown that the screw has been pressed against the bottom wall surface of the concrete structure, that is, the screw has been locked into the pre-drilled hole, and the gap of the pre-drilled hole is filled, so Ensure the reliability of the lock and the safety of the subsequent construction of the building structure.

參閱圖2與圖3,為本新型螺紋式植筋裝置2之一實施例,包含一定義一中心軸線Z的鋼筋21、一個一體連接於該鋼筋21之一端的螺頭22、一形成於該鋼筋21之另一端的痕跡焊料23,及一個一體連接於該痕跡焊料23且沿該中心軸線Z延伸的螺桿24。Referring to FIG. 2 and FIG. 3, an embodiment of the threaded planting device 2 of the present invention comprises a reinforcing bar 21 defining a central axis Z, a screw head 22 integrally connected to one end of the reinforcing bar 21, and a core 22 formed thereon. A trace 23 of the other end of the reinforcing bar 21, and a screw 24 integrally connected to the trace solder 23 and extending along the central axis Z.

該實施例適用於植入一混凝土結構物9,該混凝土結構物9包括一圍繞出一預鑽孔90的內壁面91,及一距離該混凝土結構物9之表面900一段預定深度H的底壁面92,該螺桿24的長度L0等於該預定深度H。如圖4所示,該螺桿24沿該中心軸線Z的投影範圍位於該痕跡焊料23的投影範圍中。This embodiment is suitable for embedding a concrete structure 9 comprising an inner wall surface 91 surrounding a pre-drilled hole 90 and a bottom wall surface having a predetermined depth H from the surface 900 of the concrete structure 9. 92. The length L0 of the screw 24 is equal to the predetermined depth H. As shown in FIG. 4, the projection range of the screw 24 along the central axis Z is in the projection range of the trace solder 23.

參閱圖3與圖4,該螺桿24包括一桿體240,及一螺旋環設於該桿體240上的螺紋241。該桿體240具有一連接於該痕跡焊料23的無牙段242,及一形成有該螺紋241的螺牙段243。其中,該無牙段242的直徑大於螺牙段243的直徑,而該無牙段242的長度L1小於該螺牙段243的長度L2。Referring to FIGS. 3 and 4, the screw 24 includes a rod 240 and a thread 241 of a spiral ring disposed on the rod 240. The rod body 240 has a toothless section 242 connected to the trace solder 23, and a threaded section 243 formed with the thread 241. Wherein, the diameter of the toothless segment 242 is larger than the diameter of the thread segment 243, and the length L1 of the toothless segment 242 is smaller than the length L2 of the screw segment 243.

參閱圖5,本新型螺紋式植筋裝置2鎖固於該混凝土結構物9的過程中,是自該螺頭22施力而使該螺桿24以該中心軸線Z為軸而旋轉,此時該螺牙段243藉由該螺紋241切割該預鑽孔90的內壁面91而螺入該預鑽孔90,該無牙段242則接續該螺牙段243進入該預鑽孔90。由於該無牙段242的直徑大於該螺牙段243的直徑,故該無牙段242進入該預鑽孔90後,會徑向緊密地頂抵該內壁面91,而直徑大於該螺牙段243的該無牙段242,也能加強該螺桿24之整體結構強度,確保該螺桿24能確實螺入該預鑽孔90。該螺桿24持續螺入該預鑽孔90,直到該痕跡焊料23擋制於該混凝土結構物9的表面900,也就是該預鑽孔90的洞口處,則代表該螺桿24的末端已頂抵該混凝土結構物9的底壁面92,也就是該螺桿24已確實鎖入該預鑽孔90,且填補該預鑽孔90的空隙。值得特別說明的是,該痕跡焊料23除了能指示該螺桿24的鎖入狀態之外,還能封擋該預鑽孔90,避免水氣進入該預鑽孔90,並能產生朝向該混凝土結構物9的頂抵力,以額外加強該螺紋式植筋裝置2鎖固於該混凝土結構物9的穩定性。Referring to FIG. 5, in the process of locking the concrete structure 9 of the present invention, the screw head 22 is biased to rotate the screw 24 about the central axis Z. The threaded section 243 is threaded into the pre-drilled hole 90 by cutting the inner wall surface 91 of the pre-drilled hole 90, and the toothless section 242 continues the threaded section 243 into the pre-drilled hole 90. Since the diameter of the toothless segment 242 is larger than the diameter of the screw segment 243, the toothless segment 242 enters the pre-drilled hole 90 and will radially abut against the inner wall surface 91, and the diameter is larger than the screw segment. The toothless section 242 of 243 also enhances the overall structural strength of the screw 24, ensuring that the screw 24 can be screwed into the pre-drilled hole 90. The screw 24 continues to be screwed into the pre-drilled hole 90 until the trace solder 23 is shielded from the surface 900 of the concrete structure 9, that is, at the opening of the pre-drilled hole 90, indicating that the end of the screw 24 has been offset The bottom wall surface 92 of the concrete structure 9, i.e., the screw 24, has been securely locked into the pre-drilled hole 90 and fills the void of the pre-drilled hole 90. It should be particularly noted that the trace solder 23 can block the pre-drilled hole 90 in addition to indicating the locked state of the screw 24, avoiding moisture entering the pre-drilled hole 90, and can be oriented toward the concrete structure. The top end of the material 9 is used to additionally strengthen the stability of the threaded planting device 2 to the concrete structure 9.

參閱圖6,當該螺紋式植筋裝置2的實施例確實鎖固於該混凝土結構物9後,即能將欲接續的一接續鋼筋7固定於該鋼筋21上,並且用以建構後續的建築結構體8。由於該螺紋式植筋裝置2鎖固於該混凝土結構物9的結合強度較高,故建構於該混凝土結構物9、該接續鋼筋7,以及該螺紋式植筋裝置2上的建築結構體8,在強度以及結構穩定性上當然也會有較佳的表現。Referring to FIG. 6, when the embodiment of the threaded planting device 2 is indeed locked to the concrete structure 9, a continuous reinforcing bar 7 to be connected can be fixed to the reinforcing bar 21 and used to construct a subsequent building. Structure 8. Since the joint strength of the threaded planting device 2 locked to the concrete structure 9 is high, the concrete structure 9, the connecting steel bar 7, and the building structure body 8 on the threaded planting device 2 are constructed. Of course, there will be better performance in terms of strength and structural stability.

綜上所述,採用本新型螺紋式植筋裝置的製造方法,確實可製成本新型螺紋式植筋裝置2,並在進行該焊接步驟43後留下該痕跡焊料23,該螺紋式植筋裝置2螺入該預鑽孔90時,能藉由該螺桿24的無牙段242頂抵於該混凝土結構物9的內壁面91,加強鎖固的穩定性,並能藉由製造時進行焊接而留下的痕跡焊料23,指示該螺桿24的鎖入狀態,同時封擋該預鑽孔90,再次加強該螺紋式植筋裝置2鎖固於該混凝土結構物9的結合強度,故確實能達成本新型之目的。In summary, the manufacturing method of the threaded planting device of the present invention can be made into the threaded planting device 2 of the present invention, and the trace solder 23 is left after the welding step 43 is performed. The threaded planting device 2 When the pre-drilled hole 90 is screwed, the stability of the locking can be enhanced by the edging section 242 of the screw 24 abutting against the inner wall surface 91 of the concrete structure 9, and can be welded by manufacturing. The remaining traces of the solder 23 indicate the locked state of the screw 24, and at the same time, the pre-drilled hole 90 is blocked, and the bonding strength of the threaded planting device 2 to the concrete structure 9 is again strengthened, so that it can be achieved. The purpose of this new type.

惟以上所述者,僅為本新型之實施例而已,當不能以此限定本新型實施之範圍,凡是依本新型申請專利範圍及專利說明書內容所作之簡單的等效變化與修飾,皆仍屬本新型專利涵蓋之範圍內。However, the above is only the embodiment of the present invention, and when it is not possible to limit the scope of the present invention, all the simple equivalent changes and modifications according to the scope of the patent application and the contents of the patent specification are still This new patent covers the scope.

2‧‧‧螺紋式植筋裝置
21‧‧‧鋼筋
22‧‧‧螺頭
23‧‧‧痕跡焊料
24‧‧‧螺桿
240‧‧‧桿體
241‧‧‧螺紋
242‧‧‧無牙段
243‧‧‧螺牙段
7‧‧‧接續鋼筋
8‧‧‧建築結構體
9‧‧‧混凝土結構物
90‧‧‧預鑽孔
900‧‧‧表面
91‧‧‧內壁面
92‧‧‧底壁面
H‧‧‧預定深度
L0‧‧‧長度
L1‧‧‧長度
L2‧‧‧長度
Z‧‧‧中心軸線
2‧‧‧Threaded planting device
21‧‧ ‧ steel bars
22‧‧‧ screw head
23‧‧‧ Trace solder
24‧‧‧ screw
240‧‧‧ rod body
241‧‧‧ thread
242‧‧‧No tooth segments
243‧‧ ‧ thread segments
7‧‧‧Continuous reinforcement
8‧‧‧Building structure
9‧‧‧Concrete structure
90‧‧‧Pre-drilling
900‧‧‧ surface
91‧‧‧ inner wall
92‧‧‧ bottom wall
H‧‧‧Predetermined depth
L0‧‧‧ length
L1‧‧‧ length
L2‧‧‧ length
Z‧‧‧ center axis

本新型之其他的特徵及功效,將於參照圖式的實施方式中清楚地呈現,其中: 圖1是一局部剖視圖,說明一現有的混凝土植筋裝置; 圖2是一立體圖,說明本新型螺紋式植筋裝置的一實施例; 圖3是一示意圖,說明該實施例的元件; 圖4是一仰視圖,說明該實施例的一痕跡焊料; 圖5是一示意圖,說明使用本新型螺紋式植筋裝置之實施例的情況;及 圖6是一示意圖,說明利用本新型螺紋式植筋裝置之實施例建構一建築結構體的情況。Other features and effects of the present invention will be apparent from the following description of the drawings, wherein: FIG. 1 is a partial cross-sectional view showing a conventional concrete planting device; FIG. 2 is a perspective view showing the novel thread Figure 3 is a schematic view showing the components of the embodiment; Figure 4 is a bottom view showing a trace of solder of the embodiment; Figure 5 is a schematic view showing the use of the novel thread type The case of the embodiment of the planting device; and Fig. 6 is a schematic view showing the construction of a building structure using the embodiment of the threaded planting device of the present invention.

2‧‧‧螺紋式植筋裝置 2‧‧‧Threaded planting device

21‧‧‧鋼筋 21‧‧ ‧ steel bars

22‧‧‧螺頭 22‧‧‧ screw head

23‧‧‧痕跡焊料 23‧‧‧ Trace solder

24‧‧‧螺桿 24‧‧‧ screw

240‧‧‧桿體 240‧‧‧ rod body

241‧‧‧螺紋 241‧‧‧ thread

242‧‧‧無牙段 242‧‧‧No tooth segments

243‧‧‧螺牙段 243‧‧ ‧ thread segments

Claims (2)

一種螺紋式植筋裝置,適用於植入一混凝土結構物,該混凝土結構物包括一圍繞出一預鑽孔的內壁面,及一距離該混凝土結構物之表面一段預定深度的底壁面,該螺紋式植筋裝置包含: 一鋼筋,定義一中心軸線; 一螺頭,一體連接於該鋼筋的一端; 一痕跡焊料,形成於該鋼筋的另一端;及 一螺桿,一體連接於該痕跡焊料,且沿該中心軸線延伸,該螺桿的長度等於該預定深度,而沿該中心軸線的投影範圍位於該痕跡焊料的投影範圍中,該螺桿包括一桿體,及一螺旋環設於該桿體上的螺紋,該桿體具有一連接於該痕跡焊料的無牙段,及一形成有該螺紋的螺牙段,該無牙段的直徑大於螺牙段的直徑,該螺牙段螺入該預鑽孔時,該無牙段接續該螺牙段進入該預鑽孔,並徑向頂抵該內壁面,直到該痕跡焊料擋制於該混凝土結構物,則該螺桿頂抵該混凝土結構物的底壁面。A threaded planting device for implanting a concrete structure, the concrete structure comprising an inner wall surface surrounding a pre-drilled hole, and a bottom wall surface having a predetermined depth from a surface of the concrete structure, the thread The ribbing device comprises: a reinforcing bar defining a central axis; a screw head integrally connected to one end of the reinforcing bar; a trace solder formed on the other end of the reinforcing bar; and a screw integrally connected to the trace solder, and Extending along the central axis, the length of the screw is equal to the predetermined depth, and the projection range along the central axis is in the projection range of the trace solder, the screw includes a rod body, and a spiral ring is disposed on the rod body Threaded, the rod body has a toothless segment connected to the trace solder, and a thread segment formed with the thread, the diameter of the toothless segment being larger than the diameter of the thread segment, the screw segment screwing into the pre-drill In the case of the hole, the toothless segment continues the threaded section into the pre-drilled hole and radially abuts against the inner wall surface until the trace solder is shielded from the concrete structure, and the screw top abuts the concrete knot The bottom wall of the structure. 如請求項1所述的螺紋式植筋裝置,其中,該無牙段的長度小於該螺牙段的長度。The threaded tendon device of claim 1, wherein the length of the toothless segment is less than the length of the threaded segment.
TW106201363U 2017-01-25 2017-01-25 Screw thread type rebar-planting device TWM541486U (en)

Priority Applications (3)

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TW106201363U TWM541486U (en) 2017-01-25 2017-01-25 Screw thread type rebar-planting device
JP2017002211U JP3211680U (en) 2017-01-25 2017-05-18 Reinforcing bar anchoring structure
DE202017103588.3U DE202017103588U1 (en) 2017-01-25 2017-06-16 Combined anchor and reinforcing bar assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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Publications (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI635206B (en) * 2017-01-25 2018-09-11 世鎧精密股份有限公司 Thread type planting device and manufacturing method thereof

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Publication number Priority date Publication date Assignee Title
US11578491B2 (en) * 2020-02-07 2023-02-14 Shaw Craftsmen Concrete, Llc Topping slab installation methodology

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI635206B (en) * 2017-01-25 2018-09-11 世鎧精密股份有限公司 Thread type planting device and manufacturing method thereof

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DE202017103588U1 (en) 2017-07-12

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