CN217974801U - Building structure reserves pre-buried variable diameter sleeve - Google Patents
Building structure reserves pre-buried variable diameter sleeve Download PDFInfo
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- CN217974801U CN217974801U CN202222422346.3U CN202222422346U CN217974801U CN 217974801 U CN217974801 U CN 217974801U CN 202222422346 U CN202222422346 U CN 202222422346U CN 217974801 U CN217974801 U CN 217974801U
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Abstract
The utility model discloses a pre-buried variable diameter sleeve reserved for a building structure, which comprises a main shaft, a sleeve body arranged outside the main shaft and a flexible rubber sleeve arranged outside the sleeve body, wherein the sleeve body is provided with a plurality of sleeves; the main shaft comprises an inner core rod and an outer tube sleeved outside the inner core rod, and bolt holes are formed in the outer tube and the inner core rod; the sleeve body comprises a plurality of shutter fixing inner rings, metal shutters rotatably connected with the shutter fixing inner rings, shutter fixing outer rings rotatably connected with the outer ends of the metal shutters and fixing plates for fixing the shutter fixing outer rings, the number of the fixing plates is the same as that of the metal shutters, and the plurality of metal shutters form an umbrella-shaped structure; the flexible rubber sleeve is sleeved on the outer sides of the fixing plates. The utility model adopts the above structure can adjust the diameter, reaches and reserves pre-buried effect to the hot-water heating pipeline of different diameters, improves the commonality of reserving pre-buried sleeve for construction speed has reduced material consumption.
Description
Technical Field
The utility model belongs to the technical field of the construction technology and specifically relates to a building structure reserves pre-buried variable diameter sleeve.
Background
At present, when the building is under major structure construction, when reserving pre-buried to the hot-water heating pipeline, traditional way is reserved pre-buried for the PVC sleeve pipe that adopts different diameters, reserves pre-buried in-process and need be according to the PVC sleeve pipe of design pipe diameter preparation different diameters, and difficult demolising behind the concrete placement, causes the material extravagant easily to comparatively waste time and energy. For the above reasons, it is necessary to design a pre-buried variable-diameter sleeve reserved for a building structure.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a building structure reserves pre-buried variable diameter sleeve can adjust the diameter, reaches the hot-water heating pipeline reservation pre-buried effect to different diameters, improves the commonality of reserving pre-buried sleeve for construction speed has reduced material consumption.
In order to achieve the purpose, the utility model provides a pre-buried variable-diameter sleeve reserved for a building structure, which comprises a main shaft, a sleeve body arranged outside the main shaft and a plurality of flexible rubber sleeves arranged outside the sleeve body;
the spindle comprises an inner core rod and an outer tube sleeved outside the inner core rod, and the outer tube and the inner core rod are both provided with bolt holes;
the sleeve body comprises a plurality of shutter fixing inner rings, metal shutters rotatably connected with the shutter fixing inner rings, shutter fixing outer rings rotatably connected with the outer ends of the metal shutters and fixing plates for fixing the shutter fixing outer rings, the number of the fixing plates is the same as that of the metal shutters, and the plurality of metal shutters form an umbrella-shaped structure;
the flexible rubber sleeves are sleeved on the outer sides of the plurality of fixing plates.
Preferably, the louver fixing inner ring and the louver fixing outer ring are both of a U-shaped structure.
Preferably, the number of the metal shutters is 12-24, the width of each metal shutter is 10-15mm, and the length of each metal shutter is 150-250mm.
Preferably, transmission shafts are arranged at two ends of the metal shutter, and the transmission shafts are sleeved in the shutter fixing inner ring and the shutter fixing outer ring.
Preferably, the length of the inner core rod is greater than the length of the outer tube.
Preferably, the length of the inner core rod is 200-400mm, and the length of the outer pipe is 150-300mm.
Therefore, the utility model adopts the above structure a building structure reserves pre-buried variable diameter sleeve, can adjust the diameter, reaches the hot-water heating pipeline reservation pre-buried effect to different diameters, improves the commonality of reserving pre-buried sleeve for construction speed has reduced material consumption.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
Fig. 1 is a schematic structural view of an expanded state of an embodiment of the pre-buried variable diameter sleeve reserved in a building structure of the present invention;
fig. 2 is a partial enlarged view of an expanded state of an embodiment of the pre-buried variable diameter sleeve reserved for the building structure of the present invention;
fig. 3 is a front view of the building structure with an embodiment of the pre-buried variable diameter sleeve in an expanded state;
fig. 4 is a schematic view of an adjusting state structure of an embodiment of the pre-buried variable diameter sleeve reserved in the building structure of the present invention;
fig. 5 is a front view of an adjusting state of an embodiment of the pre-buried variable diameter sleeve reserved for the building structure.
Detailed Description
The technical solution of the present invention is further explained by the accompanying drawings and examples.
Unless defined otherwise, technical or scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and the like in the description of the invention does not denote any order, quantity, or importance, but rather the terms "first," "second," and the like are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item preceding the word comprises the element or item listed after the word and its equivalent, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
Examples
Fig. 1 is the utility model relates to a building structure reserves expansion state structure schematic diagram of pre-buried variable diameter sleeve embodiment, fig. 2 is the utility model relates to a building structure reserves expansion state partial enlargement of pre-buried variable diameter sleeve embodiment, fig. 3 does the utility model relates to a building structure reserves expansion state elevation view of pre-buried variable diameter sleeve embodiment, fig. 4 is the utility model relates to a building structure reserves regulation state structure schematic diagram of pre-buried variable diameter sleeve embodiment, fig. 5 does the utility model relates to a building structure reserves regulation state elevation view of pre-buried variable diameter sleeve embodiment. The utility model provides a building structure reserves pre-buried variable diameter sleeve, including main shaft 1, set up sleeve body 2 in the 1 outside of main shaft and the flexible rubber cover of setting in the 2 outsides of sleeve body, sleeve body 2 sets up to a plurality of. The main shaft 1 comprises an inner core rod 11 and an outer tube 12 sleeved outside the inner core rod 11, and the length of the inner core rod 11 is larger than that of the outer tube 12. The length of the inner core rod 11 is 200-400mm, and the length of the outer tube 12 is 150-300mm. Bolt holes 13 are formed in the outer tube 12 and the inner core rod 11, and the outer tube and the inner core rod are fixed through bolts after the inner core rod is pulled to a proper position. The sleeve body 2 comprises a plurality of shutter fixing inner rings 21, metal shutters 22 rotatably connected with the shutter fixing inner rings 21, shutter fixing outer rings 23 rotatably connected with the outer ends of the metal shutters 22 and fixing plates 24 for fixing the shutter fixing outer rings 23, the number of the fixing plates 24 is the same as that of the metal shutters 22, and the plurality of metal shutters 22 form an umbrella-shaped structure; the flexible rubber sleeves are sleeved on the outer sides of the fixing plates 24. The louver fixing inner ring 21 and the louver fixing outer ring 23 are both arranged in a U-shaped structure. When the steel outer pipe is used, the steel outer pipe is stretched by taking the solid inner core rod as an axis according to the designed pipe diameter, the metal shutter on the outer side is controlled to shrink or extend along with the movement of the outer pipe according to the principle of an umbrella, when the expanded diameter reaches the designed diameter, the inner core rod and the outer pipe are inserted into the bolt hole through the bolt to be fixed, all the metal shutters are sleeved outside the fixed plate by adopting the flexible rubber sleeve, so that the metal shutters and the flexible rubber sleeve form a cylinder, in the building construction process, the variable-diameter sleeve is adjusted according to the designed pipe diameter and placed at a specified position, and when the concrete is constructed, the metal shutter and the flexible rubber sleeve jointly act to resist the pressure in the outer concrete casting process to prevent the concrete from entering the inside of the sleeve, when the sleeve is disassembled, the metal shutter is inwards shrunk, the flexible rubber sleeve is removed from the surface of the concrete, and the sleeve is convenient to disassemble from the concrete floor. The construction method has strong turnover, is convenient for site construction, and can accelerate the construction progress and reduce the consumption of materials.
The metal shutters 22 are arranged into 12-24 pieces, the width of each metal shutter 22 is 10-15mm, and the length is 150-250mm. The transmission shafts 25 are arranged at two ends of the metal louver 22, and the transmission shafts 25 are sleeved in the louver fixing inner ring 21 and the louver fixing outer ring 23, so that the metal louver can conveniently rotate between the metal louver and the louver fixing inner ring and between the metal louver and the louver fixing outer ring.
Therefore, the utility model adopts the above structure a building structure reserves pre-buried variable diameter sleeve, can adjust the diameter, reaches the hot-water heating pipeline reservation pre-buried effect to different diameters, improves the commonality of reserving pre-buried sleeve for construction speed has reduced material consumption.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those skilled in the art should understand that: the technical solution of the present invention can still be modified or replaced by other equivalent means, and the modified technical solution can not be separated from the spirit and scope of the technical solution of the present invention.
Claims (6)
1. The utility model provides a building structure reserves pre-buried variable diameter sleeve which characterized in that:
the flexible rubber sleeve comprises a main shaft, a sleeve body and a plurality of flexible rubber sleeves, wherein the sleeve body is arranged on the outer side of the main shaft, and the flexible rubber sleeves are arranged on the outer side of the sleeve body;
the spindle comprises an inner core rod and an outer tube sleeved outside the inner core rod, and the outer tube and the inner core rod are both provided with bolt holes;
the sleeve body comprises a plurality of shutter fixing inner rings, metal shutters rotatably connected with the shutter fixing inner rings, shutter fixing outer rings rotatably connected with the outer ends of the metal shutters and fixing plates for fixing the shutter fixing outer rings, the number of the fixing plates is the same as that of the metal shutters, and the plurality of metal shutters form an umbrella-shaped structure;
the flexible rubber sleeves are sleeved on the outer sides of the plurality of fixing plates.
2. The pre-buried variable diameter sleeve of building structure reservation of claim 1, characterized in that: the louver fixing inner ring and the louver fixing outer ring are both of U-shaped structures.
3. The pre-buried variable diameter sleeve reserved for the building structure according to claim 2, characterized in that: the number of the metal shutters is 12-24, the width of each metal shutter is 10-15mm, and the length of each metal shutter is 150-250mm.
4. The pre-buried variable diameter sleeve of claim 3, which is characterized in that: the transmission shafts are arranged at two ends of the metal shutter and sleeved on the shutter fixing inner ring and the shutter fixing outer ring.
5. The pre-buried variable diameter sleeve of building structure of claim 4, wherein: the length of the inner core rod is greater than the length of the outer tube.
6. The pre-buried variable diameter sleeve reserved for the building structure according to claim 5, wherein: the length of the inner core rod is 200-400mm, and the length of the outer pipe is 150-300mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222422346.3U CN217974801U (en) | 2022-09-13 | 2022-09-13 | Building structure reserves pre-buried variable diameter sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222422346.3U CN217974801U (en) | 2022-09-13 | 2022-09-13 | Building structure reserves pre-buried variable diameter sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217974801U true CN217974801U (en) | 2022-12-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222422346.3U Active CN217974801U (en) | 2022-09-13 | 2022-09-13 | Building structure reserves pre-buried variable diameter sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217974801U (en) |
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2022
- 2022-09-13 CN CN202222422346.3U patent/CN217974801U/en active Active
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