CN213674732U - Concrete pre-buried formula locating component - Google Patents
Concrete pre-buried formula locating component Download PDFInfo
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- CN213674732U CN213674732U CN202022031106.1U CN202022031106U CN213674732U CN 213674732 U CN213674732 U CN 213674732U CN 202022031106 U CN202022031106 U CN 202022031106U CN 213674732 U CN213674732 U CN 213674732U
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- sleeve
- threaded sleeve
- positioning
- positioning sleeve
- end cover
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Abstract
The utility model relates to a concrete pre-buried positioning assembly, which comprises a fastener and a positioning sleeve with a central hole at the top, wherein the positioning sleeve comprises a central hole and a threaded sleeve with an internal thread matched with the fastener, and the central hole of the threaded sleeve is communicated with the outside; when the positioning sleeve is pre-buried, the center hole of the positioning sleeve is connected with a protection plug, one end of the protection plug, which is far away from the threaded sleeve, is provided with a rotating groove, and one end of the protection plug, which is far away from the bottom of the threaded sleeve, is connected with an end cover which is used for being connected with a mold. By adopting the technical scheme, impurities such as cement and the like are prevented from entering the central hole of the positioning sleeve during embedding, and the influence on the safety and the service life of the engineering is avoided; meanwhile, the convenience of work is improved, operations such as intensive punching and secondary punching on the duct piece are not needed, and the structure of the duct piece is protected.
Description
Technical Field
The utility model relates to a threaded fastener's position sleeve's technical field, concretely relates to pre-buried formula locating component of concrete.
Background
Generally, the embedded parts on the shield segment only comprise grouting holes or hoisting hole embedded parts, bolt hole embedded parts, segment support cushion blocks and the like. The traditional post-planting anchor bolt technology is adopted for fixing equipment and equipment related to power supply specialty, communication signal specialty, water supply and drainage and fire fighting, evacuation platform, shield door and other specialties in rail transit.
However, the post-planting anchor bolt technology needs intensive punching operation on the duct piece, damages the concrete structure and causes structural water leakage; meanwhile, concrete and other sundries are easy to enter the holes in the punching process, and the workload of workers is increased by later cleaning.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a pre-buried formula locating component of concrete has protection section of jurisdiction and position sleeve's effect, and prevents that cement or debris from entering into to position sleeve.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a concrete pre-buried type positioning assembly comprises a fastener and a positioning sleeve with a top provided with a central hole, wherein the positioning sleeve comprises a threaded sleeve with a central hole provided with internal threads matched with the fastener, and the central hole of the threaded sleeve is communicated with the outside; when right when the position sleeve carries out pre-buried, position sleeve's centre bore is connected with the protection stopper, the protection stopper is kept away from the one end of threaded sleeve has seted up the rotation groove, the protection stopper is kept away from the one end of threaded sleeve bottom is connected with the end cover that is used for being connected with the mould.
By adopting the technical scheme, when the positioning sleeve is pre-embedded, the central hole of the positioning sleeve is connected with the protective plug, so that the compression resistance of the positioning sleeve is improved, the deformation of the positioning sleeve is avoided, impurities such as cement and the like are prevented from entering the central hole of the positioning sleeve during pre-embedding, the sealing property of the positioning sleeve is improved, and the safety and the service life of a project are prevented from being influenced; simultaneously, when the section of jurisdiction need use position sleeve, the staff rotates the protection stopper through rotating the groove for the protection stopper takes out from position sleeve, has improved the convenience of work, and need not on the section of jurisdiction intensive operations such as punching and secondary punch, keeps the structural stability of section of jurisdiction.
The utility model discloses further set up to: the positioning sleeve further comprises a flared tube connected with the threaded sleeve, a central hole of the threaded sleeve is communicated with a central hole of the flared tube, and the shape of the protection plug is the same as that of the positioning sleeve.
By adopting the technical scheme, the positioning sleeve further comprises the flared tube connected with the threaded sleeve, so that a worker can conveniently add the protective plug into the positioning sleeve, and the working efficiency is improved; meanwhile, the positioning sleeve is embedded in the concrete more firmly, and the stability of the positioning assembly is improved.
The utility model discloses further set up to: and a gasket is sleeved at one end of the opening of the positioning sleeve.
By adopting the technical scheme, one end of the opening of the positioning sleeve is sleeved with the gasket, the gasket plays a role in preventing impurities such as cement from entering the positioning sleeve, the possibility that the cement is solidified in the positioning sleeve is reduced, the protective plug is easier to take out, and the stability of the positioning assembly is improved; meanwhile, erosion of ultraviolet rays to the positioning sleeve is reduced, the sealing performance of the positioning sleeve is improved, and the service life of the positioning sleeve is prolonged.
The utility model discloses further set up to: one end of the protection plug, which is far away from the flared tube, is aligned with one end of the gasket, which is far away from the flared tube.
Through adopting above-mentioned technical scheme, the one end that the flared tube was kept away from to the protection stopper aligns the setting with the one end that the flared tube was kept away from to the packing ring, avoids forming bellied edges and corners in the section of jurisdiction, keeps the level and smooth of section of jurisdiction, avoids staff's injured possibility when keeping pleasing to the eye.
The utility model discloses further set up to: the joint between the protection plug and the end cover is provided with a notch.
By adopting the technical scheme, the fixed connection between the protection plug and the end cover is conveniently released, and the smoothness of die breaking is improved; meanwhile, the protective plug does not need to be taken out during demolding, the positioning sleeve needs to be used for screwing out at the later stage, and the flexibility is improved.
The utility model discloses further set up to: the shape of the end cover is the same as that of the head of the hexagon socket head cap screw.
Through adopting above-mentioned technical scheme, the staff of being convenient for rotates the end cover with the hexagon socket head cap spanner, and then changes in taking off the end cover from the mould, has practiced thrift the time of work, has improved the efficiency of work.
The utility model discloses further set up to: the end cover is cylindrical, the side face of the end cover is provided with external threads matched with the die, and the top of the end cover is provided with a straight groove.
Through adopting above-mentioned technical scheme, threaded connection between end cover and the mould for end cover fixed connection is on the mould, when the section of jurisdiction after the shaping is carried to the lift-up, carries out the die break between position sleeve and the end cover, need not the manual work and carries out the die break, has improved the convenience of work.
The utility model discloses further set up to: the outer side surface of the threaded sleeve is provided with a plurality of bevel teeth facing one end of the horn tube, and the bevel teeth are arranged along the axial direction of the threaded sleeve.
By adopting the technical scheme, the pulling resistance is insufficient due to the influence of material collection requirements, and the pulling resistance of the positioning sleeve is increased by 30% by arranging the conical teeth on the outer side surface of the threaded sleeve towards one end of the horn tube, so that the pulling resistance of the positioning sleeve is improved.
To sum up, the utility model discloses following beneficial effect has:
1. when the positioning sleeve is pre-embedded, the central hole of the positioning sleeve is connected with the protective plug, so that the compression resistance of the positioning sleeve is improved, the deformation of the positioning sleeve is avoided, impurities such as cement and the like are prevented from entering the central hole of the positioning sleeve during pre-embedding, the sealing property of the positioning sleeve is improved, and the safety and the service life of a project are prevented from being influenced; meanwhile, when the positioning sleeve is needed to be used by the duct piece, workers rotate the protection plug through the rotating groove, so that the protection plug is taken out of the positioning sleeve, the convenience of work is improved, operations such as intensive punching, secondary punching and the like on the duct piece are not needed, and the structural stability of the duct piece is kept;
2. through being provided with a plurality of tooth to the awl tooth towards horn pipe one end at threaded sleeve's lateral surface, position sleeve's resistance to plucking has increased 30%, has improved position sleeve's resistance to plucking ability.
Drawings
Fig. 1 is a schematic structural view of a positioning sleeve in the embodiment 1;
fig. 2 is a schematic structural diagram of the protection plug of embodiment 1;
FIG. 3 is a schematic structural view of the gasket of this embodiment 1;
fig. 4 is a schematic structural diagram of the positioning sleeve of embodiment 2.
Reference numerals: 1. positioning the sleeve; 11. a threaded sleeve; 111. conical teeth; 12. a flare tube; 2. a protective plug; 3. an end cap; 4. a gasket.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Example one
As shown in fig. 1 and fig. 2, the utility model discloses a pre-buried formula locating component of concrete, including the fastener, still including the locating sleeve 1 that the centre bore was seted up at the top, locating sleeve 1 including the centre bore seted up with fastener complex internal screw thread sleeve 11, the length of thread sleeve 11 is 75mm, the external diameter is 20mm, the internal diameter is 12mm, the centre bore of thread sleeve 11 is linked together with the external world.
When carrying out pre-buried to position sleeve 1, position sleeve 1's centre bore has been filled in protection stopper 2, and protection stopper 2 has kept away from the one end of threaded sleeve 11 and has been seted up the rotation groove, and the shape in rotation groove sets up to a style of calligraphy, and the one end fixedly connected with that threaded sleeve 11 bottom was kept away from to protection stopper 2 is used for the end cover 3 of being connected with the mould, and the shape of end cover 3 sets up the same with hexagon socket head cap screw's head shape.
As shown in fig. 1 and 3, the open end of the positioning sleeve 1 is sleeved with a washer 4, and as shown in fig. 2 and 3, the end of the protective plug 2 away from the threaded sleeve 11 is aligned with the end of the washer 4 away from the threaded sleeve 11.
As shown in fig. 1 and 2, a plurality of conical teeth 111 facing one end of the protection plug 2 are protruded on the outer side surface of the threaded sleeve 11, and the plurality of conical teeth 111 are arranged along the axial direction of the threaded sleeve 11.
The working conditions and principles of the embodiment are as follows:
before the concrete is poured on the duct piece, the upper gasket 4 is sleeved at the outlet of the threaded sleeve 11, the positioning sleeves 1 are placed on the mold, and then the protective plug 2 penetrates through the mold and is extruded into the threaded sleeve 11, so that the sealing performance of the central hole of the positioning sleeve 1 is improved.
Then add and establish the steel reinforcement cage, carry out pouring of concrete to the section of jurisdiction template for the section of jurisdiction template takes shape to the prefab, then pulls up the prefab after will shaping from the mould through the loop wheel machine, and at the in-process of carrying, the protection stopper 2 is taken out from position sleeve 1, need not the later stage and extracts one by one, has improved work efficiency.
Example two
This example differs from example 1 in that: as shown in fig. 4, the positioning sleeve 1 further includes a flared tube 12 connected to the threaded sleeve 11, the central hole of the threaded sleeve 11 is communicated with the central hole of the flared tube 12, the length of the threaded sleeve 11 is 55mm, the length of the flared tube 12 is 20mm, the inner diameter of the flared tube 12 near the end of the threaded sleeve 11 is 12mm, the inner diameter of the flared tube 12 far from the end of the threaded sleeve 11 is 16mm, and the shape of the protection plug 2 is the same as that of the positioning sleeve 1; the protective plug 2 is in threaded connection with the threaded sleeve 11.
The working conditions and principles of the embodiment are as follows:
when the positioning sleeve 1 needs to be embedded, the gasket 4 is sleeved at the outlet of the flared tube 12, the protective plug 2 is inserted from the outlet of the flared tube 12, the threaded portion of the protective plug 2 is in threaded connection with the threaded sleeve 11, the protective plug 2 is abutted against the gasket 4, and the sealing performance of the center hole of the positioning sleeve 1 is improved.
Before the concrete is poured to the section of jurisdiction, evenly be fixed in the mould with a plurality of position sleeve 1 through end cover 3 on, then add and establish the steel reinforcement cage, carry out the pouring of concrete to the section of jurisdiction template for the section of jurisdiction template takes shape to the prefab, then pull up the prefab after will shaping from the mould through the loop wheel machine, at the in-process of carrying, disconnected mould between protection stopper 2 and the end cover 3, protection stopper 2 still remains in position sleeve 1's inside, and end cover 3 remains on the mould.
EXAMPLE III
This example differs from example 1 in that: the end cover 3 is cylindrical, the side surface of the end cover 3 is provided with external threads matched with the die, and the top of the end cover 3 is provided with a straight groove.
A plurality of positioning sleeves 1 are installed at the bottom of a mold, namely a plurality of end covers 3 are fixedly connected to the bottom of the mold and evenly distributed, a reinforcement cage and concrete are added into the mold, after a prefabricated member is formed, vertical upward pulling force is applied to the prefabricated member, the prefabricated member is enabled to be separated from the mold, and the fixed connection between the end covers 3 and the positioning sleeves 1 is removed.
The working conditions and principles of the embodiment are as follows:
when the positioning sleeve 1 needs to be embedded, the positioning sleeve 1 is firstly sleeved with the upper gasket 4, and then the protective plug 2 is in threaded connection with the positioning sleeve 1.
Before the concrete is poured to the section of jurisdiction, pass through 3 threaded connection of end cover with position sleeve 1 on the mould, then add and establish the steel reinforcement cage, carry out the pouring of concrete to the section of jurisdiction template for the section of jurisdiction template takes shape to the prefab, then pulls up the prefab after will shaping from the mould through the loop wheel machine, and at the in-process of carrying, carries out disconnected mould between end cover 3 and the position sleeve 1, need not the manual work and carries out disconnected mould operation, has improved the efficiency of work.
When the embedded positioning sleeve 1 needs to be used, a worker takes out the protection plug 2 through the rotating groove.
Example four
This example differs from example 1 in that: the joint between the protective plug 2 and the end cover 3 is provided with a notch.
The working conditions and principles of the embodiment are as follows:
the fixed connection between the protection plug and the end cover is conveniently released, the smoothness of die breaking is improved, and the rotating groove is exposed; meanwhile, the protective plug does not need to be taken out during demolding, the positioning sleeve needs to be used for screwing out at the later stage, and the flexibility is improved.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a concrete pre-buried formula locating component, includes the fastener, characterized by: the positioning sleeve (1) is provided with a center hole at the top, the positioning sleeve (1) comprises a threaded sleeve (11) provided with a center hole and an internal thread matched with the fastener, and the center hole of the threaded sleeve (11) is communicated with the outside; when right when positioning sleeve (1) carries out pre-buried, the centre bore of positioning sleeve (1) is connected with protection stopper (2), protection stopper (2) are kept away from the one end of threaded sleeve (11) has been seted up and has been rotated the groove, protection stopper (2) are kept away from the one end of threaded sleeve (11) bottom is connected with end cover (3) that are used for being connected with the mould.
2. The concrete embedded positioning assembly as recited in claim 1, wherein: the positioning sleeve (1) further comprises a flared tube (12) connected with the threaded sleeve (11), a center hole of the threaded sleeve (11) is communicated with a center hole of the flared tube (12), and the protection plug (2) is arranged in the same shape as the positioning sleeve (1).
3. The concrete embedded type positioning assembly according to any one of claims 1-2, wherein: one end of the opening of the positioning sleeve (1) is sleeved with a gasket (4).
4. The concrete embedded positioning assembly as recited in claim 3, wherein: one end, far away from the threaded sleeve (11), of the protection plug (2) is aligned with one end, far away from the threaded sleeve (11), of the gasket (4).
5. The concrete embedded type positioning assembly according to any one of claims 1-2, wherein: a notch is formed in the joint between the protection plug (2) and the end cover (3).
6. The concrete embedded positioning assembly as recited in claim 1, wherein: the shape of the end cover (3) is the same as that of the head of the hexagon socket head cap screw.
7. The concrete embedded positioning assembly as recited in claim 1, wherein: the end cover (3) is cylindrical, external threads matched with the die are formed in the side face of the end cover (3), and a straight groove is formed in the top of the end cover (3).
8. The concrete embedded positioning assembly as recited in claim 1, wherein: the outer side surface of the threaded sleeve (11) is provided with a plurality of bevel teeth (111) facing one end of the protective plug (2), and the plurality of bevel teeth (111) are arranged along the axial direction of the threaded sleeve (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022031106.1U CN213674732U (en) | 2020-09-16 | 2020-09-16 | Concrete pre-buried formula locating component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022031106.1U CN213674732U (en) | 2020-09-16 | 2020-09-16 | Concrete pre-buried formula locating component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213674732U true CN213674732U (en) | 2021-07-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022031106.1U Active CN213674732U (en) | 2020-09-16 | 2020-09-16 | Concrete pre-buried formula locating component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213674732U (en) |
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- 2020-09-16 CN CN202022031106.1U patent/CN213674732U/en active Active
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