CN215367828U - Stainless steel pre-buried sleeve - Google Patents
Stainless steel pre-buried sleeve Download PDFInfo
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- CN215367828U CN215367828U CN202120335759.0U CN202120335759U CN215367828U CN 215367828 U CN215367828 U CN 215367828U CN 202120335759 U CN202120335759 U CN 202120335759U CN 215367828 U CN215367828 U CN 215367828U
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- pulling device
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Abstract
The utility model discloses a stainless steel pre-buried sleeve, which comprises a body, wherein the body comprises an anti-pulling device and a sleeve which are integrally formed; a central hole is formed in the sleeve, and an internal thread is arranged at one end of the central hole; the anti-pulling device is arranged at one end, far away from the internal thread, of the sleeve, and the ratio of the height of the anti-pulling device to the height of the sleeve to the height of the body is 1.2-2:1: 2.5-5. According to the utility model, the anti-pulling device and the sleeve are integrally formed, so that the structure is simple, the processing is convenient, and the production efficiency can be effectively improved. In addition, the height of the anti-pulling device, the outer diameter of the sleeve and the height of the body are limited, so that the maximum limited axial pulling force can be guaranteed, and the strength of the stainless steel embedded sleeve can be guaranteed to meet the mechanical requirements of anti-pulling and rotary shearing.
Description
Technical Field
The utility model relates to the technical field of rail transit, in particular to a stainless steel embedded sleeve.
Background
Along with the development of track traffic cause, the embedded channel has also obtained extensive application, and the channel is in the use, when damage or corrosion appear, can't change, and the full ring installation has also caused the waste, even current many semi-ring installation also has a problem, because rectify the needs of turning, can not install according to theoretical position when making the section of jurisdiction install, this just causes the embedded channel dislocation, has brought very big inconvenience for subsequent electromechanical device installation. Therefore, most of the prior art adopts the embedded sleeve to realize the installation of the channel.
However, the pre-embedded sleeve in the prior art is formed by cutting a stainless steel bar and then performing the procedures of forging, derusting, heating, forging forming, positioning, drilling, tapping, sand blasting, solid solution, post-treatment and the like, and the processing procedures are complex, wherein most procedures are manual single-machine production, and the production efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a stainless steel embedded sleeve which is simple in structure, convenient to process and high in production efficiency.
Therefore, the utility model adopts a technical scheme that a stainless steel embedded sleeve is provided, which comprises a body, wherein the body comprises an anti-pulling device and a sleeve which are integrally formed; a central hole is formed in the sleeve, and an internal thread is arranged at one end of the central hole; the anti-pulling device is arranged at one end, far away from the internal thread, of the sleeve, and the ratio of the height of the anti-pulling device to the height of the sleeve to the height of the body is 1.2-2:1: 2.5-5.
In one embodiment of the utility model, the axial direction of the anti-pulling device is the same as the axial direction of the sleeve.
In one embodiment of the utility model, the body is a thick-wall seamless pipe with a set length, the internal thread is formed on the inner side of one end of the thick-wall seamless pipe, and the other end of the thick-wall seamless pipe is forged to form the anti-pulling device.
In one embodiment of the present invention, the thick-walled seamless pipe is a round pipe.
In one embodiment of the utility model, an end of the anti-pulling device away from the sleeve is a closed end.
In one embodiment of the present invention, an end of the anti-pulling device away from the sleeve is pressed in a line shape.
In one embodiment of the utility model, the anti-pulling device is formed by flattening one end of a round tube.
In one embodiment of the utility model, an end of the anti-pulling device away from the sleeve is pressed into a polygon shape.
In one embodiment of the utility model, an end of the anti-pulling device away from the sleeve is pressed into a regular polygon.
The utility model has the advantages that:
(1) according to the utility model, the height of the anti-pulling device, the outer diameter of the sleeve and the height of the body are limited, so that the maximum limited axial pulling force can be ensured, and the strength of the stainless steel embedded sleeve can be ensured to meet the mechanical requirements of anti-pulling and rotary shearing.
(2) The anti-pulling device and the sleeve are integrally formed, and the axial pulling force which is limited to the maximum extent is ensured, so that the long-acting use can be ensured.
(3) The anti-pulling device is formed by forging and pressing, after the stainless steel embedded sleeve is buried in concrete, the anti-pulling device with a specific shape can bear the pulling force, the maximization of the axial pulling force borne by the anti-pulling device is guaranteed, the stability of operation is further guaranteed, meanwhile, the regular polygon structure can effectively prevent the body from rotating, and the looseness of the body caused by rotation can be avoided.
(4) According to the utility model, the pulling resistance and the rotation resistance of the body can be effectively improved by integrally forming the pulling resistance device and the sleeve, and the body is convenient to maintain and replace.
(5) The utility model is used for connecting and fixing the bolt of the externally hanging channel by arranging the internal thread in the central hole of the sleeve.
(6) According to the utility model, the anti-pulling device and the sleeve are integrally formed, so that the structure is simple, the processing is convenient, and the production efficiency can be effectively improved. In actual processing, only the stainless steel pipe with a set length is cut out, one end of the stainless steel pipe is tapped, the other end of the stainless steel pipe is forged and pressed, drilling is not needed, and stainless steel materials are saved; high-temperature heating is not needed, the reliability of products is improved, production engineering and processes are greatly simplified, production equipment is simplified, automatic production line production can be realized, the production efficiency is accelerated, the yield is improved, the productivity is improved, the production cost is reduced, and good conditions are created for large-scale industrial application in the fields of rail transit and buildings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural view of a stainless steel embedded sleeve according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a schematic top view of a stainless steel pre-embedded sleeve according to an embodiment of the utility model;
fig. 4 is a schematic bottom view of a stainless steel pre-embedded sleeve according to an embodiment of the utility model.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Referring to fig. 1 to 4, a stainless steel pre-embedded sleeve provided in an embodiment of the present invention includes a body 1, and the body 1 includes an integrally formed anti-pulling device 11 and a sleeve 12. A central bore is provided in the sleeve 12, one end of which is provided with an internal thread 2. The anti-pulling device 11 is arranged at one end of the sleeve 12 far away from the internal thread 2, and the ratio of the height D1 of the anti-pulling device 11, the external diameter D2 of the sleeve 12 and the height D3 of the body 1 is 1.2-2:1: 2.5-5.
During the in-service use, pre-buried in the concrete with stainless steel embedded sleeve, after the tunnel shaping, carry out the installation of channel or support, the bolt of channel is connected with interior screw thread 2 in the sleeve 12 cooperatees, it is fixed to realize, simultaneously, the installation of channel can be installed as required, the channel can not be installed in the place that does not use, directly adopt the support to install, just so can effectual reduction channel use, and, can also be according to the load of difference, change the channel of different models, be convenient for change the maintenance, and still practiced thrift the use cost of channel, further engineering cost has been reduced.
Above-mentioned stainless steel embedded sleeve, through with resistance to plucking device 11 and sleeve 12 integrated into one piece, simple structure, processing is convenient, can effectual improvement production efficiency. In addition, by limiting the height D1 of the pulling-resisting device 11, the outer diameter D2 of the sleeve 12 and the height D3 of the body 1, the maximum limited axial pulling force can be ensured, and the strength of the stainless steel embedded sleeve can be ensured to meet the mechanical requirements of pulling resistance and rotational shearing.
In an embodiment of the present invention, the axial direction of the anti-pulling device 11 is the same as the axial direction of the sleeve 12.
In one embodiment of the utility model, the body 1 is a thick-wall seamless pipe with a set length, the internal thread 2 is formed on the inner side of one end of the thick-wall seamless pipe, and the other end of the thick-wall seamless pipe is forged to form the anti-drawing device 11. Therefore, only the stainless steel pipe with the set length is cut out, one end of the stainless steel pipe is tapped, the other end of the stainless steel pipe is forged and pressed, drilling is not needed, and stainless steel materials are saved; high-temperature heating is not needed, the reliability of products is improved, production engineering and processes are greatly simplified, production equipment is simplified, automatic production line production can be realized, the production efficiency is accelerated, the yield is improved, the productivity is improved, the production cost is reduced, and good conditions are created for large-scale industrial application in the fields of rail transit and buildings.
Further, the thick-walled seamless pipe is a circular pipe. In this way, the machining of the internal thread 2 is facilitated.
In an embodiment of the present invention, an end of the anti-pulling device 11 away from the sleeve 12 is a closed end. So, the pre-buried sleeve of stainless steel has sealed function, can prevent that the mortar from getting into the inside of the pre-buried sleeve of stainless steel.
In an embodiment of the present invention, an end of the anti-pulling device 11 away from the sleeve 12 is pressed to be "in line", that is, a transverse section of the anti-pulling device 11 is a strip. Specifically, in this embodiment, the uplift device 11 may be formed by flattening one end of a circular tube. So, adopt "one" style of calligraphy, processing is simple and convenient, can prevent the rotation of body 1, can avoid leading to the not hard up of body 1 because of the rotation.
In other embodiments, the end of the anti-pull device 11 away from the sleeve 12 may be pressed to have a polygonal shape, such as a triangle, a quadrangle, etc., that is, the transverse section of the anti-pull device 11 is a polygon.
Preferably, the end of the anti-pulling device 11 away from the sleeve 12 may also be pressed to form a regular polygon. By adopting the regular polygon, after the stainless steel embedded sleeve is embedded in concrete, the pulling force can be borne by the pulling resistance device 11 with a specific shape, so that the maximization of the axial pulling force borne by the stainless steel embedded sleeve is ensured, the stability of operation is further ensured, meanwhile, the regular polygon can effectively prevent the body 1 from rotating, and the loosening of the body 1 caused by rotation can be avoided.
The utility model has the beneficial effects that:
(1) the utility model can ensure long-term use by integrally forming the anti-pulling device 11 and the sleeve 12 and ensuring the maximum limited axial pulling force.
(2) The anti-pulling device 11 is formed by forging and pressing, after the stainless steel embedded sleeve is buried in concrete, the anti-pulling device 11 with a specific shape can bear the pulling force, the maximization of the axial pulling force borne by the anti-pulling device is ensured, the stability of operation is further ensured, meanwhile, the regular polygon structure can effectively prevent the body 1 from rotating, and the looseness of the body 1 caused by the rotation can be avoided.
(3) According to the utility model, the pulling resistance and the rotation resistance of the body 1 can be effectively improved by integrally forming the pulling resistance device 11 and the sleeve 12, and the body 1 is convenient to maintain and replace.
(4) The utility model is used for connecting and fixing the bolt of the externally hanging channel by arranging the internal thread 2 in the central hole of the sleeve 12.
(5) According to the utility model, the anti-pulling device 11 and the sleeve 12 are integrally formed, so that the structure is simple, the processing is convenient, and the production efficiency can be effectively improved.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (9)
1. A stainless steel pre-buried sleeve is characterized by comprising a body, wherein the body comprises an anti-pulling device and a sleeve which are integrally formed; a central hole is formed in the sleeve, and an internal thread is arranged at one end of the central hole; the anti-pulling device is arranged at one end, far away from the internal thread, of the sleeve, and the ratio of the height of the anti-pulling device to the height of the sleeve to the height of the body is 1.2-2:1: 2.5-5.
2. The stainless steel pre-buried sleeve of claim 1, wherein the axial direction of the anti-pulling device is the same as the axial direction of the sleeve.
3. The stainless steel pre-buried sleeve of claim 1, wherein the body is a thick-walled seamless pipe with a set length, the internal thread is formed inside one end of the thick-walled seamless pipe, and the other end of the thick-walled seamless pipe is forged to form the anti-pulling device.
4. The stainless steel pre-buried sleeve of claim 3, wherein the thick-walled seamless pipe is a round pipe.
5. The stainless steel pre-buried sleeve of claim 1, wherein one end of the anti-pulling device, which is far away from the sleeve, is a closed end.
6. The stainless steel pre-buried sleeve of claim 1, wherein one end of the anti-pulling device, which is far away from the sleeve, is pressed into a straight shape.
7. The stainless steel pre-embedded sleeve as claimed in claim 6, wherein the anti-pulling device is formed by flattening one end of a circular tube.
8. The stainless steel pre-buried sleeve of claim 1, wherein one end of the anti-pulling device, which is far away from the sleeve, is pressed into a polygonal shape.
9. The stainless steel pre-buried sleeve of claim 8, wherein one end of the anti-pulling device, which is far away from the sleeve, is pressed into a regular polygon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120335759.0U CN215367828U (en) | 2021-02-05 | 2021-02-05 | Stainless steel pre-buried sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120335759.0U CN215367828U (en) | 2021-02-05 | 2021-02-05 | Stainless steel pre-buried sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215367828U true CN215367828U (en) | 2021-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120335759.0U Active CN215367828U (en) | 2021-02-05 | 2021-02-05 | Stainless steel pre-buried sleeve |
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|---|---|
| CN (1) | CN215367828U (en) |
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- 2021-02-05 CN CN202120335759.0U patent/CN215367828U/en active Active
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