CN220037201U - Threaded connection fixing piece of unilateral sliding wire - Google Patents
Threaded connection fixing piece of unilateral sliding wire Download PDFInfo
- Publication number
- CN220037201U CN220037201U CN202321167352.7U CN202321167352U CN220037201U CN 220037201 U CN220037201 U CN 220037201U CN 202321167352 U CN202321167352 U CN 202321167352U CN 220037201 U CN220037201 U CN 220037201U
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- end part
- threaded connection
- fixing piece
- sided slide
- piece
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- 230000004323 axial length Effects 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 20
- 238000010276 construction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a threaded connection fixing piece of a unilateral sliding wire, which comprises a duct piece die, a pre-buried sleeve and a connection fixing piece for connecting the duct piece die and the pre-buried sleeve, wherein the connection fixing piece comprises an upper end part, a lower end part and a limiting part positioned between the upper end part and the lower end part, external threads are arranged on the outer surfaces of the upper end part and the lower end part, and a mounting groove extending from the lower end surface to the upper end part is arranged on the lower end surface of the lower end part and is used for being mounted and screwed into the duct piece die for fixing; the pipe piece mold is simple in structure and convenient and quick to use, the pipe piece mold and the embedded sleeve are connected and fixed together by adopting the connecting fixing pieces with external threads at the two ends, and the pipe piece mold, the embedded sleeve and the connecting fixing pieces are quickly installed in a threaded connection mode, so that the installation efficiency and the stability are improved, and the connecting fixing pieces are also provided with the installation grooves, so that workers can quickly screw the pipe piece mold by using tools, and the assembly efficiency and the installation accuracy are improved.
Description
Technical Field
The utility model relates to the technical field of shield tunnel construction, in particular to a threaded connection fixing piece of a single-side sliding wire.
Background
Along with continuous prosperity and innovation of urban economy, traffic facilities in the city are also continuously perfected, and along with increasing traffic flow on roads, traffic jam on the roads is formed, and traffic travel is seriously influenced, so that urban planning is continuously developing public traffic routes, subways or underground pedestrian corridors below the ground are also continuously displayed, and traffic pressure on the ground is relieved.
At the construction initial stage of subway or humanoid corridor, need to carry out the open circuit through the shield constructs the machine to lay the section of jurisdiction mould that is accomplished by concrete filling rapidly in the tunnel, play and bear the effect of soil pressure, avoid collapsing in the tunnel, influence the progress of construction.
At present, a pipe piece mold on the market is provided with a fixing piece on the mold in advance before pouring, an embedded sleeve is installed on the fixing piece to be stable, then the pipe piece mold is made through filling concrete, and after the pipe piece mold is formed, the outer mold and the fixing piece are removed to obtain the pipe piece mold which is used for being installed in a tunnel.
But the section of jurisdiction mould filling process on the market at present is very loaded down with trivial details inconvenient to install fixedly through interference fit's mode between mounting and the pre-buried sleeve, need the workman constantly beat the installation, can produce the cutting between the clout between pre-buried sleeve and the mounting, thereby influence the installation accuracy, and when beating the installation, strike the mounting easily and break, cause the waste of resource, influence packaging efficiency.
Therefore, a new technical solution is needed to solve the above problems.
Disclosure of Invention
In view of the above, the present utility model aims at overcoming the drawbacks of the prior art, and it is a primary object of the present utility model to provide a threaded connection fastener with a single-sided sliding wire.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a threaded connection mounting of unilateral smooth silk, includes section of jurisdiction mould, pre-buried sleeve and is used for connecting the connection mounting of both, the connection mounting includes upper end, lower tip and is located spacing portion between the two, the surface of upper end and lower tip all is equipped with the external screw thread, the lower terminal surface of lower tip is equipped with the mounting groove that extends from lower terminal surface to upper end, and the mounting groove is used for the installation to screw into in the section of jurisdiction mould and fixes.
As a preferable mode, the shape of the mounting groove is a hexagonal, straight or cross-shaped screwing shape.
As a preferable scheme, the edge of the limiting part is provided with a chamfer extending from inside to outside, one end face of the limiting part with the chamfer is abutted against the upper end face of the embedded sleeve, and the other end face is abutted against the end face of the duct piece die.
As a preferable scheme, the diameter of the lower end part is smaller than that of the upper end part, the external thread of the lower end part is used for being in threaded connection with the internal thread on the duct piece die, and the external thread of the upper end part is used for being in threaded connection with the internal thread of the embedded sleeve.
Preferably, the diameter of the lower end is the same as that of the upper end, and the radial thread length on the outer surface of the lower end is smaller than that of the outer surface of the upper end.
As a preferable scheme, the effective contact area of the external thread of the lower end part is smaller than that of the external thread of the upper end part.
As a preferred embodiment, the axial length of the lower end portion is the same as the axial length of the upper end portion.
As a preferable scheme, the connecting fixing piece is manufactured by adopting an integral molding technology.
Compared with the prior art, the utility model has obvious advantages and beneficial effects, and in particular, the technical scheme can be as follows:
the pipe piece mold is simple in structure and convenient and quick to use, the pipe piece mold and the embedded sleeve are connected and fixed together by adopting the connecting fixing pieces with external threads at the two ends, and the pipe piece mold, the embedded sleeve and the connecting fixing pieces are quickly installed in a threaded connection mode, so that the installation efficiency and the stability are improved, and the connecting fixing pieces are also provided with the installation grooves, so that workers can quickly screw the pipe piece mold by using tools, and the assembly efficiency and the installation accuracy are improved.
And the connecting fixing piece breaks when assembling, can also stretch into the mounting groove through letting the instrument and screw out it, improve the efficiency of dismantling the connecting fixing piece, avoid the section of jurisdiction mould to break when dismantling the connecting fixing piece of damage, effectively play the effect of protection section of jurisdiction mould.
The connecting fixing piece can be pulled out by self-destruction, when the formed duct piece is separated from the inside of the mold, the lower end part of the connecting fixing piece is pulled out from the inside of the duct piece mold, the internal thread of the duct piece mold cannot be destroyed, the protection effect is achieved, and the duct piece mold can be reused.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view of the overall structure of the present utility model.
Fig. 2 is a schematic view of the overall structure of another view of the present utility model.
Fig. 3 is a schematic view of the present utility model in full section.
Wherein, each reference sign in the figure:
100. connecting a fixing piece; 110. an upper end portion; 120. a lower end portion; 130. a limit part; 131. chamfering; 140. an external thread; 150. and a mounting groove.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent.
Referring to fig. 1-3, a threaded connection fixing member for a unilateral sliding wire includes a segment mold (not shown in the drawing), an embedded sleeve (not shown in the drawing), and a connection fixing member 100 for connecting the segment mold and the embedded sleeve, wherein the connection fixing member 100 includes an upper end 110, a lower end 120, and a limiting portion 130 disposed therebetween, the external threads 140 are disposed on the outer surfaces of the upper end 110 and the lower end 120, so that the connection fixing member can be quickly installed into the segment mold or the embedded sleeve in a threaded connection manner, the assembly efficiency is improved, an installation groove 150 extending from the lower end surface to the upper end 110 is disposed on the lower end surface of the lower end 120, the depth of the installation groove 150 does not penetrate through the whole connection fixing member 100 and is located at the upper end 110, the installation groove 150 is used for quickly installing and screwing into the segment mold for fixing, the installation efficiency can be quickened by a tool, the installation accuracy is ensured, and when the connection fixing member 100 is broken in the assembly, the installation hole site of the broken connection fixing member 100 can be further prevented from being detached by screwing by an electric tool or a manual tool, and damage to the segment mold is effectively avoided.
Further, the shape of the mounting groove 150 is set to be hexagonal, straight or cross-shaped, so that the mounting groove can be better adapted to the currently mainstream dismounting tool on the market, the mounting efficiency can be improved, the mounting precision can be ensured, and damage to the duct piece mold is avoided.
In this embodiment, still through being equipped with the chamfer 131 from inside to outside at limit part 130's edge, when the installation, through the terminal surface that has chamfer 131 is inconsistent with the up end of pre-buried sleeve, is inconsistent another terminal surface with the terminal surface of section of jurisdiction mould again, accomplishes the quick screw thread equipment between the three to through limit part 130's effective fixed connection, can make the section of jurisdiction mould when pouring concrete, avoid the concrete infiltration to advance in the pre-buried sleeve, influence subsequent installation and use.
Specifically, the diameter of the lower end 120 on the connecting and fixing piece 100 is smaller than that of the upper end 110, so that quick distinction can be performed, faults in the installation process are avoided, when the connecting and fixing piece 100 is used, the outer threads 140 of the lower end 120 of the connecting and fixing piece 100 are used for being in threaded connection with the inner threads of the duct piece mold, the outer threads 140 of the upper end 110 are used for being in threaded connection with the inner threads of the embedded sleeve, the upper end 120 and the lower end 120 are quickly installed and fixed together through the threaded connection, and the precision requirement in the installation process can be guaranteed, so that the condition that the installation is not in place or excessive installation is avoided.
In practical use, the diameters of the lower end 120 and the upper end 110 can be set to be the same, but the length of the external thread 140 on the outer surface of the lower end 120 is set to be smaller than the length of the external thread 140 of the upper end 110, so that the force applied by the lower end 120 in the pipe sheet die is smaller than the force applied by the upper end 110 in the embedded sleeve, when the pipe sheet is separated from the die, the lower end 120 of the connecting and fixing piece 100 can be slipped out of the threaded hole of the pipe sheet die without damaging the internal thread of the threaded hole, thereby facilitating the repeated use.
And also provides a method for connecting the lower end 120 of the fixing member 100, wherein when the axial length of the lower end 120 is the same as that of the upper end 110, the external thread 140 of the lower end 120 is provided as a broken incomplete structure, so that the contact area between the external thread 140 of the lower end 120 and the internal thread of the segment mold is reduced, and the threaded connection strength between the external thread 140 and the internal thread is reduced, so that the lower end 120 can be pulled out from the threaded hole of the segment mold without damaging the internal thread when the segment is demolded.
Further, the connection fixing member 100 is manufactured by an integral molding technology, and has good overall strength. The foregoing description of the preferred embodiments of the present utility model has been provided for the purpose of illustrating the general principles of the present utility model and is not to be construed as limiting the scope of the utility model in any way. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model, and other embodiments of the present utility model as will occur to those skilled in the art without the exercise of inventive faculty, are intended to be included within the scope of the present utility model.
Claims (8)
1. The utility model provides a threaded connection mounting of unilateral smooth silk, includes section of jurisdiction mould, pre-buried sleeve and is used for connecting the connection mounting of both, its characterized in that: the connecting and fixing piece comprises an upper end part, a lower end part and a limiting part positioned between the upper end part and the lower end part, wherein external threads are arranged on the outer surfaces of the upper end part and the lower end part, a mounting groove extending from the lower end surface to the upper end part is arranged on the lower end surface of the lower end part, and the mounting groove is used for mounting and screwing into a segment mold to fix.
2. The single-sided slide threaded connection mount of claim 1, wherein: the shape of the mounting groove is a hexagonal, straight or cross screwing shape.
3. The single-sided slide threaded connection mount of claim 1, wherein: the edge of the limiting part is provided with a chamfer extending from inside to outside, one end face of the limiting part with the chamfer is abutted against the upper end face of the embedded sleeve, and the other end face is abutted against the end face of the duct piece die.
4. The single-sided slide threaded connection mount of claim 1, wherein: the diameter of the lower end part is smaller than that of the upper end part, the external thread of the lower end part is used for being in threaded connection with the internal thread on the duct piece die, and the external thread of the upper end part is used for being in threaded connection with the internal thread of the embedded sleeve.
5. The single-sided slide threaded connection mount of claim 1, wherein: the diameter of the lower end part is the same as that of the upper end part, and the radial thread length on the outer surface of the lower end part is smaller than that of the outer surface of the upper end part.
6. The single-sided slide threaded connection mount of claim 1, wherein: the effective contact area of the external thread of the lower end part is smaller than that of the external thread of the upper end part.
7. The single-sided slide wire threaded connection mount of any one of claims 4-6, wherein: the axial length of the lower end portion is the same as the axial length of the upper end portion.
8. The single-sided slide threaded connection mount of claim 1, wherein: the connecting and fixing piece is manufactured by adopting an integrated forming technology.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321167352.7U CN220037201U (en) | 2023-05-16 | 2023-05-16 | Threaded connection fixing piece of unilateral sliding wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321167352.7U CN220037201U (en) | 2023-05-16 | 2023-05-16 | Threaded connection fixing piece of unilateral sliding wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220037201U true CN220037201U (en) | 2023-11-17 |
Family
ID=88743068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321167352.7U Active CN220037201U (en) | 2023-05-16 | 2023-05-16 | Threaded connection fixing piece of unilateral sliding wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220037201U (en) |
-
2023
- 2023-05-16 CN CN202321167352.7U patent/CN220037201U/en active Active
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