CN211421404U

CN211421404U - Pre-buried fixing device and channel, bolt thereof

Info

Publication number: CN211421404U
Application number: CN201921954880.0U
Authority: CN
Inventors: 刘昕; 金岭; 杜文风
Original assignee: Henan Annoni Construction Technology Co Ltd
Current assignee: Henan Annoni Construction Technology Co Ltd
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-09-04
Anticipated expiration: 2029-11-13

Abstract

The utility model belongs to the technical field of pre-buried fastening, concretely relates to pre-buried fixing device and channel, bolt thereof through set up arc portion on two curb plates at the channel for the channel shape more is favorable to the strength transmission when the notch atress, improves the holistic anti deformability of channel, and then improves the bearing capacity of channel. The utility model provides a pre-buried fixing device has simple structure, reasonable in design, the stable advantage of intensity.

Description

Pre-buried fixing device and channel, bolt thereof

Technical Field

The utility model belongs to the technical field of pre-buried fastening, concretely relates to pre-buried fixing device and channel, bolt thereof.

Background

The pre-buried channel is a member pre-installed (buried) in hidden engineering, is a structural part arranged during structural pouring, is used for anchoring connection of a structure on a masonry, and is beneficial to installation and fixation of an external engineering equipment foundation. As a commonly used fixing device, the fixing device is widely applied to places such as railway tunnel contact networks, curtain walls, airports, nuclear power stations and the like, at present, channels of various fixing devices in the market are generally in U-shaped or V-shaped structures, and the stability is insufficient under the condition of high load.

For example, patent document No. CN208934131U discloses a replaceable embedded fixing device, and specifically discloses a mounting groove, a T-shaped bolt engaged with a channel, and an anchor rod, in which the channel of the embedded fixing device has an internal structure of U-shape and an external shape of isosceles trapezoid, although the strength of the embedded fixing device is improved to a certain extent compared with the traditional channel, a weak link exists at the joint of the bottom and the side of the channel body, and the strength of the embedded fixing device is still not ideal in the high-load use process.

Therefore, in order to meet the requirement of high-strength working environment, a pre-embedded fixing device with stable strength needs to be developed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pre-buried fixing device and channel, bolt thereof to solve the problem that current pre-buried groove intensity is not enough in the environment of high load.

The utility model discloses a pre-buried fixing device adopts following technical scheme: the utility model provides a pre-buried fixing device, includes the channel that extends along the fore-and-aft direction, the channel has the bottom plate, sets up two curb plates that upwards overhang in bottom plate both sides, be provided with the stock that extends along upper and lower direction on the bottom plate of channel, be equipped with the bolt in the channel, the curb plate with the one end that the bottom plate is connected all has and is used for improving the arc portion of channel intensity, the head of bolt have with the structure of dodging of arc looks adaptation.

Further, the distance between the corresponding arc-shaped parts on the two side plates is gradually increased from bottom to top.

Further, the circle center positions of the two arc-shaped parts are overlapped.

Further, the radian of the arc-shaped parts is the same.

Further, the avoiding structure is a rounded structure.

Furthermore, one end of each side plate, which is far away from the bottom plate, is provided with a rail lip which oppositely overhangs to form a groove opening.

Furthermore, a first tooth is arranged on the inner side face of the rail lip edge, and a second tooth matched with the first tooth is arranged at the head of the bolt.

Further, the anchor rod is connected with the channel and is arranged on the outer side of the bottom plate, a first boss and a second boss extending downwards from the position, downwards, of the first boss are arranged on the outer side of the bottom plate.

The utility model discloses a channel adopts following technical scheme: the channel comprises a channel body, wherein the channel body is the same as the technical scheme of the channel in the embedded fixing device, and the description is omitted.

The utility model discloses a bolt adopts following technical scheme: the bolt comprises a bolt body, wherein the bolt body is the same as the bolt in the embedded fixing device, and the description is omitted.

The utility model has the advantages that:

compared with the prior art, the utility model belongs to the technical field of pre-buried fastening, concretely relates to pre-buried fixing device and channel, bolt thereof through set up arc portion on two curb plates at the channel for the channel shape more is favorable to the strength transmission when the notch atress, improves the holistic anti deformability of channel, and then improves the bearing capacity of channel. The utility model provides a pre-buried fixing device has simple structure, reasonable in design, the stable advantage of intensity.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural view of a specific embodiment of the pre-buried fixing device of the present invention;

FIG. 2 is a front view of FIG. 1;

fig. 3 is a schematic structural diagram of a specific embodiment of a bolt of the pre-buried fixing device of the present invention;

FIG. 4 is a front view of FIG. 3;

fig. 5 is a schematic structural view of another embodiment of the pre-buried fixing device of the present invention;

reference numerals:

1: a channel; 2: a base plate; 3: a side plate; 4: an anchor rod; 5: a bolt; 6: an arc-shaped portion; 7: a rail lip; 8: a first tooth; 9: a second tooth; 10: a first boss; 11: a second boss; 12: an avoidance structure; 13: a vertical portion.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention can be embodied in many other forms than those specifically described herein and similar modifications can be made by one skilled in the art without departing from the spirit and scope of the invention and, therefore, the invention is not limited to the embodiments of the substrate disclosed below.

It will be understood that when an element is referred to as being "secured to" 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," "left," "right," and similar expressions are used herein for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and 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 terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The utility model discloses an embodiment of a pre-buried fixing device, as shown in fig. 1 to fig. 4, a pre-buried fixing device, include the channel 1 that extends along the fore-and-aft direction, channel 1 has bottom plate 2, sets up two curb plates 3 in 2 both sides of bottom plate and upwards overhang, is provided with the stock 4 that extends along upper and lower direction on the bottom plate 2 of channel 1, is equipped with bolt 5 in the channel 1, and the one end that curb plate 3 is connected with bottom plate 2 all has the arc portion 6 that is used for improving 1 intensity of channel, and the head of bolt 5 has dodges structure 12 with 6 looks adaptations of arc portion. The arc-shaped parts 6 are arranged on the two side plates 3 of the channel 1, so that the whole deformation resistance of the channel 1 is improved, and the bearing capacity of the channel 1 is further improved. The utility model provides a pre-buried fixing device has simple structure, reasonable in design, the stable advantage of intensity.

Further, in order to provide better compressive strength to the two side plates 3, the distance between the corresponding arc-shaped portions 6 on the two side plates 3 is gradually increased from bottom to top, i.e., a flaring structure is formed.

Further, in the present embodiment, in order to make the strength of the two side plates 3 symmetrical, the circle centers of the two arc-shaped portions 6 in the present embodiment are overlapped, and the radians of the arc-shaped portions 6 are the same, wherein the size of the radians is 30-90 degrees.

Further, in order to make bolt 5 can install in channel 1, do not disturb with curb plate 3, dodge structure 12 and be the fillet structure, the radian of fillet and the radian phase-match of arc portion 6, the processing of being convenient for easily the shaping.

Further, the one end that bottom plate 2 was kept away from to curb plate 3 all is equipped with the relative track lip 7 that overhangs and then form the notch of orientation, and in order to make bolt 5 can stable installation in channel 1, the medial surface of track lip 7 is equipped with first tooth 8, and the head of bolt 5 is equipped with the second tooth 9 with 8 looks adaptations of first tooth, and second tooth 9 extends along left right direction, and the terminal surface that is close to the one end of curb plate 3 is the arc.

In addition, as mentioned above, the inner side surface of the rail lip 7 may extend in a downward inclined direction, and the head of the bolt 5 has an inclined contact surface adapted thereto; as shown in fig. 5, the inner side of the rail lip 7 may be horizontally extending, and the head of the bolt 5 has a horizontal contact surface adapted thereto. The side plates 3 of the channel 1 also have a vertical portion 13 extending in the vertical direction, the lower side of the vertical portion 13 being connected to the arcuate portion 6 and the upper side being connected to the rail lip 7.

Further, in this embodiment, in order to provide the supporting strength of the anchor rod 4, the anchor rod 4 is connected to the channel 1, and a first boss 10 and a second boss 11 extending downward from a position below the first boss 10 are disposed on the outer side of the base plate 2, wherein a side surface of the first boss 10 is a cylindrical surface, and a side surface of the second boss 11 is a conical surface, and a cross-sectional dimension of the second boss is gradually reduced from top to bottom.

It should be noted that, in other embodiments of the present invention, the number of the anchor rods may be 2 or 3, and the anchor rods are distributed at intervals along the extending direction of the channel; the circle centers of the two arc-shaped parts can be on the same horizontal line; the side plates can be completely arc-shaped or partially arc-shaped; the radian of the arc part can be 75 degrees or 60 degrees; the side surface of the first boss may be a tapered surface, and the side surface of the second boss may be a cylindrical surface.

The utility model discloses an embodiment of channel. A channel comprises a channel body, wherein the channel body is the same as the channel of the embedded fixing device in the implementation mode, and the detailed description is omitted.

The utility model discloses an embodiment of bolt. The bolt comprises a bolt body, wherein the bolt body is the same as the bolt of the embedded fixing device in the implementation mode, and the description is omitted.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a pre-buried fixing device, includes the channel that extends along the fore-and-aft direction, the channel has the bottom plate, sets up two curb plates in bottom plate both sides and upwards overhang, be provided with the stock that extends along upper and lower direction on the bottom plate of channel, be equipped with the bolt in the channel, its characterized in that: the end of the side plate connected with the bottom plate is provided with an arc-shaped part used for improving the strength of the channel, and the head of the bolt is provided with an avoiding structure matched with the arc-shaped part.

2. The pre-buried fixing device of claim 1, wherein: the distance between the corresponding arc parts on the two side plates is gradually increased from bottom to top.

3. The pre-buried fixing device of claim 2, wherein: the circle centers of the two arc-shaped parts are overlapped.

4. A pre-buried fixing device according to claim 3, characterized in that: the radian of the arc-shaped part is the same.

5. The pre-buried fixing device of any one of claims 1 to 4, wherein: the avoiding structure is a rounded structure.

6. The pre-buried fixing device of claim 5, wherein: one end of each side plate, which is far away from the bottom plate, is provided with a track lip edge which oppositely extends to the overhanging direction to form a notch.

7. The pre-buried fixing device of claim 6, wherein: the inner side surface of the rail lip edge is provided with first teeth, and the head of the bolt is provided with second teeth matched with the first teeth.

8. The pre-buried fixing device of claim 7, wherein: the anchor rod is connected with the channel and is positioned on the outer side of the bottom plate, a first boss and a second boss extending downwards from the position, downwards, of the first boss are arranged.

9. A channel, comprising a channel body, characterized in that: the channel body is as claimed in any one of claims 1 to 8.

10. A bolt, includes the bolt body, its characterized in that: the bolt body is as claimed in any one of claims 1 to 8.