CN214698711U - Anti-drop T-shaped bolt assembly for fixing pre-buried groove - Google Patents

Abstract

The utility model discloses a fixed anticreep T type bolt assembly that uses of embedded groove, including embedded groove steel, be provided with first T type groove on the embedded groove steel, sliding connection has the bolt slider in the first T type groove, be provided with second T type groove on the bolt slider, the opening in second T type groove is the same with the opening orientation in first T type groove, be provided with T type bolt in the second T type groove, T type bolt includes T type head and screw rod portion, be provided with first fixed tooth on the top surface in second T type groove, be provided with the second fixed tooth that corresponds first fixed tooth on the bottom surface of T type head, the height that highly is greater than T type head in second T type groove increases through the area of contact in bolt slider with first T type groove to prevent to produce the displacement after the T type bolt fixing, improve the fixed effect of structure.

Description

Anti-drop T-shaped bolt assembly for fixing pre-buried groove

Technical Field

The utility model belongs to the technical field of building engineering, more specifically the utility model relates to a fixed anticreep T type bolt assembly that uses of pre-buried groove that says so.

Background

The embedded channel (embedded channel steel) can be applied to occasions such as subways, high-speed rails, buildings and the like, the reliability of the connection between the embedded channel and the T-shaped bolt directly influences the safety of later-stage use of engineering, the T-shaped bolt adopted in the current design and construction cannot completely meet the requirements of looseness prevention and skid prevention, the phenomenon that the T-shaped bolt slides to fall off easily occurs, and the safety of the building is seriously influenced. The embedded channel needs to be prefabricated in concrete in advance, and T-shaped bolts are inaccurate in positioning when being connected, and easily slide in the embedded channel after an external structural member is fixed, so that the fixing of the structural member is not facilitated.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a fixed anticreep T type bolt assembly of using of embedded groove improves the fixed effect of T type bolt in pre-buried channel-section steel to improve external structure's fixed effect.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a fixed anticreep T type bolt assembly that uses of embedded groove, includes embedded channel-section steel, is provided with first T type groove on the embedded channel-section steel, sliding connection has the bolt slider in the first T type groove, be provided with second T type groove on the bolt slider, the opening in second T type groove is the same with the opening orientation in first T type groove, be provided with T type bolt in the second T type groove, T type bolt includes T type head and screw section, be provided with first fixed tooth on the top surface in second T type groove, be provided with the second fixed tooth that corresponds first fixed tooth on the bottom surface of T type head, the height that highly is greater than T type head in second T type groove.

Further, be provided with two slider archs on the bolt slider, two slider archs are located T type bolt open-ended both sides respectively, the slider is protruding to be inconsistent with first T type groove open-ended lateral wall.

Furthermore, a positioning block is arranged on the sliding block protrusion and is positioned on one side of the sliding block protrusion.

Furthermore, sliding protrusions are arranged on two inner side faces of the first T-shaped groove, and sliding grooves corresponding to the sliding protrusions are arranged on two end faces of the bolt sliding block.

Further, the distance between the two slide block bulges is smaller than the diameter of the screw rod part.

Compared with the prior art, the beneficial effects of the utility model are that: put into the first T type inslot of pre-buried channel-section steel with the bolt slider earlier, bury the pre-buried channel-section steel in the concrete again, treat the concrete setting back, put into first T type inslot with T type bolt, then put into the second T type bolt of bolt slider with the T type head of T type bolt, make the fixed tooth of second on the T type head cooperate with the fixed tooth of first on the bolt slider, reuse nut connection is in screw portion again, the nut of screwing can fix T type bolt and bolt slider in pre-buried steel inslot, then can pass through screw portion with outside structure and connect on the concrete surface, increase the area of contact with first T type groove through the bolt slider, thereby prevent to produce the displacement after the T type bolt fastening, improve the fixed effect of structure.

Drawings

Fig. 1 is a schematic perspective view of the anti-dropping T-bolt assembly of the present invention;

FIG. 2 is a schematic perspective view of a bolt slider;

fig. 3 is a schematic perspective view of a T-bolt.

Reference numerals: 1. embedding channel steel; 2. a first T-shaped groove; 3. a bolt slider; 4. a second T-shaped groove; t-bolt; a T-shaped head; 52. a screw section; 6. first stationary teeth; 7. second fixed teeth; 8. the slide block is raised; 9. positioning blocks; 10. a sliding projection; 11. a sliding groove.

Detailed Description

In the description of the present invention, it should be noted that, for the orientation words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and the positional relationship are indicated based on the orientation or the positional relationship shown in the drawings, and the description is only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or the element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific protection scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and "a plurality" or "a plurality" in the description of the invention means two or more unless a specific definition is explicitly provided.

The present invention is further explained with reference to fig. 1 to 3.

The utility model provides a fixed anticreep T type bolt assembly that uses of embedded groove, includes embedded channel-section steel 1, is provided with first T type groove 2 on the embedded channel-section steel 1, sliding connection has bolt slider 3 in the first T type groove 2, be provided with second T type groove 4 on the bolt slider 3, the opening of second T type groove 4 is the same with the opening orientation of first T type groove 2, be provided with T type bolt 5 in the second T type groove 4, T type bolt 5 includes T type head 51 and screw rod portion 52, be provided with first fixed tooth 6 on the top surface of second T type groove 4, be provided with the second fixed tooth 7 that corresponds first fixed tooth 6 on the bottom surface of T type head 51, the height that highly is greater than T type head 51 of second T type groove 4.

As shown in fig. 1 to 3, when the present invention is used, a plurality of bolt sliders 3 are placed in a first T-shaped groove 2 of an embedded channel 1, the embedded channel 1 is embedded in concrete, and the opening of the first T-shaped groove 2 faces the outside of the concrete, after the concrete is solidified, a T-shaped head 51 of a T-shaped bolt 5 is placed into the first T-shaped groove 2 through the opening of the first T-shaped groove 2, when the T-shaped head 51 is placed, the T-shaped head 51 is rotated to make the length direction of the T-shaped head 51 parallel to the opening extending direction of the first T-shaped groove 2, and the T-shaped head 51 is aligned with the opening of the first T-shaped groove 2, so that the T-shaped head 51 can be placed into the first T-shaped groove, the T-shaped head 51 is rotated again after the T-shaped head 51 is placed, the T-shaped head 51 is perpendicular to the opening extending direction of the first T-shaped groove 2, and then the T-shaped bolt 5 is moved toward the bolt sliders 3 in the first T-shaped groove 2, and the second T-shaped groove 4 on the bolt sliding block 3 is aligned in the moving process, the T-shaped head 51 is moved into the second T-shaped groove 4, the second fixed teeth 7 on the T-shaped head 51 correspond to the first fixed teeth 6 on the second T-shaped groove 4, the top surface of the T-shaped head 51 is abutted against the bottom surface of the second T-shaped groove 4, two end surfaces of the T-shaped head 51 are abutted against two inner side surfaces of the second T-shaped groove 4 respectively, then the T-shaped head 51 is connected to the screw portion 52 of the T-shaped bolt 5 through a nut, when the nut is abutted against the top surface of the embedded channel steel 1, the T-shaped head 51 can be lifted, the second fixed teeth 7 and the first fixed teeth 6 are meshed with each other, the T-shaped bolt 5 can be fixed on the embedded channel steel 1 after the nut is screwed, and the redundant screw portion 52 can be used for connecting other structural members.

When the bolt sliding block 3 slides in the first T-shaped groove 2, the top surface, the bottom surface and the two end surfaces of the bolt sliding block are all abutted against the inner wall of the first T-shaped groove 2, after the T-shaped bolt 5 is fixed by the nut, the T-shaped head 51 will press the top of the bolt slide 3 against the top surface of the first T-shaped groove 2, so that the bolt slide 3 is fixed to the first T-shaped groove 2, the friction force between the bolt sliding block 3 and the first T-shaped groove 2 is improved through the contact between the bottom surface and the two end surfaces and the first T-shaped groove 2, so that the bolt sliding block 3 can not slide when the T-shaped bolt 5 is used for fixing other structural parts, the fixing effect of the bolt sliding block 3 is improved, and the T-shaped bolt 5 is prevented from moving on the bolt sliding block 3 through the matching of the first fixed teeth 6 and the second fixed teeth 7, so that the fixing effect of the T-shaped bolt 5 is improved, and the fixing effect of the structural member on the concrete surface is improved.

As shown in fig. 2, it is preferable in this embodiment that two slider protrusions 8 are disposed on the bolt slider 3, the two slider protrusions 8 are respectively located on two sides of an opening of the T-shaped bolt 5, the slider protrusions 8 are abutted to an opening side wall of the first T-shaped groove 2, when the T-shaped head 51 of the T-shaped bolt 5 is located in the second T-shaped groove 4, the screw portion 52 of the T-shaped bolt 5 is located between the two slider protrusions 8 and is abutted to the slider protrusions 8, and the contact area between the bolt slider 3 and the first T-shaped groove 2 is increased by the slider protrusions 8, so that friction force is increased, and the fixing effect on the bolt slider 3 is improved.

As shown in fig. 2, the slider protrusion 8 of the preferred embodiment is provided with a positioning block 9, the positioning block 9 is located on one side of the slider protrusion 8, when the screw portion 52 moves between two slider protrusions 8, the surface of the screw portion 52 abuts against the positioning block 9, so that the second fixing teeth 7 on the T-shaped head 51 can be quickly and accurately aligned with the first fixing teeth 6 on the bolt sliding top surface, thereby improving the installation efficiency of the T-shaped bolt 5.

As shown in fig. 2, this embodiment is preferable be provided with the protruding 10 that slides on two medial surfaces of first T type groove 2, be provided with the slip recess 11 that corresponds the protruding 10 that slides on the both ends face of bolt slider 3, when installing bolt slider 3 on pre-buried channel-section steel 1, aim at the protruding 10 that slides on first T type groove 2 with slip recess 11 on the bolt slider 3, when bolt slider 3 is located first T type groove 2, can increase the area of contact between bolt slider 3 and first T type groove 2 to increase frictional force between bolt slider 3 and first T type groove 2, improve the fixed effect of bolt slider 3 on first T type groove 2.

The distance between two protruding 8 of slider that this embodiment is preferred slightly is less than the diameter of screw rod portion 52, and when installing T type bolt 5, can block screw rod portion 52 to between two protruding 8 of slider, can press from both sides screw rod portion 52 tightly through two protruding 8 of slider, improves T type bolt 5's fixed effect.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (5)

1. The utility model provides a fixed anticreep T type bolt assembly of using of embedded groove which characterized in that: including pre-buried channel-section steel, be provided with first T type groove on the pre-buried channel-section steel, sliding connection has the bolt slider in the first T type groove, be provided with second T type groove on the bolt slider, the opening in second T type groove is the same with the opening orientation in first T type groove, be provided with T type bolt in the second T type groove, T type bolt includes T type head and screw rod portion, be provided with first fixed tooth on the top surface in second T type groove, be provided with the second fixed tooth that corresponds first fixed tooth on the bottom surface of T type head, the height in second T type groove is greater than the height of T type head.

2. The fixed anticreep T type bolt assembly of using of embedded groove of claim 1, its characterized in that: the bolt slider is provided with two slider protrusions which are respectively positioned on two sides of a T-shaped bolt opening, and the slider protrusions are abutted to the side wall of the first T-shaped groove opening.

3. The fixed anticreep T type bolt assembly of using of embedded groove of claim 2, its characterized in that: the slider protrusion is provided with a positioning block, and the positioning block is positioned on one side of the slider protrusion.

4. The fixed anticreep T type bolt assembly of using of embedded groove of claim 3, its characterized in that: sliding protrusions are arranged on two inner side faces of the first T-shaped groove, and sliding grooves corresponding to the sliding protrusions are arranged on two end faces of the bolt sliding block.

5. The fixed anticreep T type bolt assembly of using of embedded groove of claim 4, its characterized in that: the distance between the two slide block bulges is smaller than the diameter of the screw rod part.

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