CN105422564A - Length-adjustable metal rod structure - Google Patents
Length-adjustable metal rod structure Download PDFInfo
- Publication number
- CN105422564A CN105422564A CN201510922265.1A CN201510922265A CN105422564A CN 105422564 A CN105422564 A CN 105422564A CN 201510922265 A CN201510922265 A CN 201510922265A CN 105422564 A CN105422564 A CN 105422564A
- Authority
- CN
- China
- Prior art keywords
- bar body
- end plate
- hole
- rod structure
- adjustable
- 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.)
- Pending
Links
- 239000002184 metal Substances 0.000 title claims abstract description 7
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Classifications
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- 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
- F16B7/10—Telescoping systems
-
- 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
- F16B7/18—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections using screw-thread elements
- F16B7/182—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections using screw-thread elements for coaxial connections of two rods or tubes
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Emergency Lowering Means (AREA)
Abstract
The invention discloses a length-adjustable metal rod structure. The length-adjustable metal rod structure comprises a rod body and end plates arranged at two ends of the rod body, a fixing hole is formed in the middle of each of two ends of the rod body; a supporting rod which can be embedded in the corresponding fixing hole is arranged at one end, which faces the side wall of the rod body, of each end plate; the outer diameter of each supporting rod is equal to the inner diameter of the corresponding fixing hole; each annular groove is formed in a surface, which is opposite to the corresponding end plate, of the rod body, and is positioned in the outer side of the corresponding fixing hole; a fixing sleeve is arranged on each end plate on the same side of the corresponding supporting rod; outer threads are arranged on the outer wall of each fixing sleeve; inner threads which are matched with the outer threads are arranged in each annular groove; each fixing sleeve is in threaded connection to the inside of the corresponding annular groove; and the outer diameter of the rod body is equal to the outer diameter of each end plate. Each fixing hole is matched with the corresponding supporting rod, so that the rod body can be lengthened.
Description
Technical field
The present invention relates to a kind of adjustable in length metallic rod structure.
Background technique
The existing metal rod for beam structure can not extend usually, when curtailment, needs to change, or adopts link to connect.
Summary of the invention
The object of the present invention is to provide a kind of adjustable in length metallic rod structure, prior art Problems existing can be improved, by adopting fixed hole and strut to match, realizing the prolongation of bar body.
The present invention is achieved through the following technical solutions:
A kind of adjustable in length metallic rod structure, comprise bar body and be arranged on the end plate at bar body two ends, fixed hole is provided with in the middle part of described bar body two ends, at described end plate, described bar body sidewall one end is provided with the strut that can embed described fixed hole, the external diameter of described strut equals the internal diameter of described fixed hole, described bar body and described end plate face are in opposite directions provided with annular recess, described annular recess is positioned at outside described fixed hole, with the end plate described in described strut homonymy on be provided with fixed muffle, the outer wall of described fixed muffle is provided with outside thread, the internal thread matched with described outside thread is provided with in described annular recess, described fixed muffle is threaded in described annular recess, the external diameter of described bar body equals the external diameter of described end plate.
Further, for realizing the present invention better, described bar body one side end face is provided with tapped hole, the outer wall of described fixed muffle is provided with blind hole, holding down bolt is provided with in described tapped hole, described holding down bolt is threaded in described tapped hole, and described holding down bolt end can be embedded in described blind hole.
Further, for realizing the present invention better, described blind hole be along the axial uniform intervals of described fixed muffle arrange several.
Further, for realizing the present invention better, described bar body is provided with 2 wire rope immovable points, described wire rope immovable point is positioned on the end face of the bar body of side relative to described tapped hole.
Further, for realizing the present invention better, described wire rope immovable point is connected on described bar body by the snap ring be sleeved on described bar body, described snap ring is that the sheet metal ring structure be sleeved on described bar body is bent to form, described wire rope immovable point by bolted splice on described snap ring.
The present invention compared with prior art, has following beneficial effect:
(1) mode that matches by adopting strut and fixed hole of the present invention, when needed, along fixed hole movable support bar, can make this body extension of bar;
(2) the present invention is by adopting annular recess structure, conveniently can be screwed on bar body by the fixed muffle on strut, bar body and end plate is interconnected, make connection more firm.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention.
Reference character: 101. bar bodies, 102. end plates, 103. fixed holes, 104. struts, 105. annular recess, 106. fixed muffles, 107. holding down bolts, 108. wire rope immovable points, 109. snap rings.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment 1:
As shown in Figure 1, a kind of adjustable in length metallic rod structure, comprise bar body 101 and be arranged on the end plate 102 at bar body 101 two ends, fixed hole 103 is provided with in the middle part of described bar body 101 two ends, at described end plate 102, described bar body 101 sidewall one end is provided with the strut 104 that can embed described fixed hole 103, the external diameter of described strut 104 equals the internal diameter of described fixed hole 103, described bar body 101 with described end plate 102 face are in opposite directions provided with annular recess 105, described annular recess 105 is positioned at outside described fixed hole 103, with the end plate 102 described in described strut 104 homonymy on be provided with fixed muffle 106, the outer wall of described fixed muffle 106 is provided with outside thread, the internal thread matched with described outside thread is provided with in described annular recess 105, described fixed muffle 106 is threaded in described annular recess 105, the external diameter of described bar body 101 equals the external diameter of described end plate 102.
When needing, along fixed hole axial direction movable support bar, strut is made to drive end plate to move to away from bar body direction, the prolongation of bar body can be realized, easy to operate, structure is simple, due to bar body external diameter with the external diameter of end plate, end plate sidewall can be positioned on a straight line with bar body outer wall after movement, structure is used as support beam structure.The mode that the present invention matches by adopting strut and fixed hole, when needed, along fixed hole movable support bar, can make this body extension of bar; Fixed muffle on strut, by adopting annular recess structure, conveniently can screw on bar body, bar body and end plate is interconnected, make connection more firm by the present invention.
Embodiment 2:
The present embodiment is on the basis of embodiment 1, conveniently fixed muffle is fixed, make it can not move relative to bar body, in the present embodiment, preferably, described bar body 101 1 side end face is provided with tapped hole, the outer wall of described fixed muffle 106 is provided with blind hole, in described tapped hole, be provided with holding down bolt 107, described holding down bolt 107 is threaded in described tapped hole, and described holding down bolt 107 end can be embedded in described blind hole.By adopting holding down bolt structure, can make that fixed muffle is metastable to be fixed on bar body, meanwhile, making structure more firm, being not easy to damage.
In order to make the distance of fixed muffle movement controlled, person easy to use understands the distance of two ends of the present invention end plate movement, in the present embodiment, described blind hole be along the described axial uniform intervals of fixed muffle 106 arrange several.Can limit the spacing between blind hole, make it keep constant spacing, in end plate moving process, the position of corresponding blind hole movement represents the distance of fixed muffle movement.
Conveniently the present invention is used for support beam, be fixed by wire rope and be connected, in the present embodiment, preferably, described bar body 101 is provided with 2 wire rope immovable points 108, and described wire rope immovable point 108 is positioned on the end face of the bar body 101 of side relative to described tapped hole.
Conveniently fix wire rope immovable point, in the present embodiment, preferably, described wire rope immovable point 108 is connected on described bar body 101 by the snap ring 109 be sleeved on described bar body 101, described snap ring 109 is bent to form for the sheet metal ring structure be sleeved on described bar body 101, described wire rope immovable point 108 by bolted splice on described snap ring 109.
Claims (5)
1. an adjustable in length metallic rod structure, it is characterized in that: comprise bar body (101) and be arranged on the end plate (102) at bar body (101) two ends, fixed hole (103) is provided with in the middle part of described bar body (101) two ends, be provided with the strut (104) that can embed described fixed hole (103) towards described bar body (101) sidewall one end at described end plate (102), the external diameter of described strut (104) equals the internal diameter of described fixed hole (103), described bar body (101) with described end plate (102) face are in opposite directions provided with annular recess (105), described annular recess (105) is positioned at described fixed hole (103) outside, with the described end plate (102) of described strut (104) homonymy on be provided with fixed muffle (106), the outer wall of described fixed muffle (106) is provided with outside thread, the internal thread matched with described outside thread is provided with in described annular recess (105), described fixed muffle (106) is threaded in described annular recess (105), the external diameter of described bar body (101) equals the external diameter of described end plate (102).
2. a kind of adjustable in length metallic rod structure according to claim 1, it is characterized in that: on described bar body (101) side end face, be provided with tapped hole, the outer wall of described fixed muffle (106) is provided with blind hole, holding down bolt (107) is provided with in described tapped hole, described holding down bolt (107) is threaded in described tapped hole, and described holding down bolt (107) end can be embedded in described blind hole.
3. a kind of adjustable in length metallic rod structure according to claim 2, is characterized in that: described blind hole be along described fixed muffle (106) axial uniform intervals arrange several.
4. a kind of adjustable in length metallic rod structure according to claim 2, it is characterized in that: on described bar body (101), be provided with 2 wire rope immovable points (108), described wire rope immovable point (108) is positioned on the end face of bar body (101) of side relative to described tapped hole.
5. a kind of adjustable in length metallic rod structure according to claim 4, it is characterized in that: described wire rope immovable point (108) is connected on described bar body (101) by the snap ring (109) be sleeved on described bar body (101), described snap ring (109) is bent to form for the sheet metal ring structure be sleeved on described bar body (101), described wire rope immovable point (108) by bolted splice on described snap ring (109).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510922265.1A CN105422564A (en) | 2015-12-10 | 2015-12-10 | Length-adjustable metal rod structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510922265.1A CN105422564A (en) | 2015-12-10 | 2015-12-10 | Length-adjustable metal rod structure |
Publications (1)
Publication Number | Publication Date |
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CN105422564A true CN105422564A (en) | 2016-03-23 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201510922265.1A Pending CN105422564A (en) | 2015-12-10 | 2015-12-10 | Length-adjustable metal rod structure |
Country Status (1)
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107218283A (en) * | 2017-06-24 | 2017-09-29 | 海盐三鑫机械有限公司 | A kind of bolt |
CN107630896A (en) * | 2016-07-18 | 2018-01-26 | 天津市天龙得冷成型部件有限公司 | The bolt of adjustable in length |
CN113898647A (en) * | 2021-09-29 | 2022-01-07 | 邹城兖矿泰德工贸有限公司 | Strong connecting rod |
-
2015
- 2015-12-10 CN CN201510922265.1A patent/CN105422564A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107630896A (en) * | 2016-07-18 | 2018-01-26 | 天津市天龙得冷成型部件有限公司 | The bolt of adjustable in length |
CN107218283A (en) * | 2017-06-24 | 2017-09-29 | 海盐三鑫机械有限公司 | A kind of bolt |
CN113898647A (en) * | 2021-09-29 | 2022-01-07 | 邹城兖矿泰德工贸有限公司 | Strong connecting rod |
CN113898647B (en) * | 2021-09-29 | 2023-09-26 | 山东兖能泰德重工有限公司 | Strong connecting rod |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160323 |
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WD01 | Invention patent application deemed withdrawn after publication |