CN210599756U

CN210599756U - Special coating fastening bolt for steel structure

Info

Publication number: CN210599756U
Application number: CN201921181385.0U
Authority: CN
Inventors: 闫永峰; 杨丙艳; 康勇
Original assignee: Tianjin Konai Fastener Co Ltd
Current assignee: Tianjin Konai Fastener Co Ltd
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2020-05-22
Anticipated expiration: 2029-07-25

Abstract

The utility model provides a special coating fastening bolt of steel construction. The special coating fastening bolt of steel construction includes nut, buffering dish, buffer gear and rotary mechanism, the inner wall fixed mounting of nut has the perpendicular threaded rod that sets up, and the lateral wall fixed mounting of nut and threaded rod junction has a plurality of evenly distributed's strengthening rib, the buffering dish cup joint on the threaded rod and with threaded rod sliding contact, buffer gear sets up in the strengthening rib, rotary mechanism establishes the outer wall at the nut, buffer gear includes installation cavity, slide bar, installation dish and spring, seted up the installation cavity in the strengthening rib, the interpolation of installation cavity is equipped with the slide bar, fixed surface is connected on the one end of slide bar and the buffering dish, fixed cover has connect the installation dish with installation cavity sliding connection on the slide bar in the installation cavity, the cluster has the spring on the slide bar. The utility model provides a special coating fastening bolt of steel construction has reduced fastening bolt and has received the advantage of amplitude.

Description

Special coating fastening bolt for steel structure

Technical Field

The utility model relates to a bolt technical field especially relates to a special coating fastening bolt of steel construction.

Background

Bolts, machine parts, cylindrical threaded fasteners with nuts. A fastener consisting of a head part and a screw (a cylinder with external threads) needs to be matched with a nut and is used for fastening and connecting two parts with through holes. This form of connection is known as a bolted connection. If the nut is screwed off from the bolt, the two parts can be separated, so that the bolt connection belongs to a detachable connection, and the bolt head is of various types and comprises a head and a cylinder with a screw rod provided with external threads.

The existing fastening bolt is separated due to the vibration of two or more opposite objects connected, so that the screw is loosened, and the fastening bolt is easy to fall off.

Therefore, it is necessary to provide a coated fastening bolt specially used for a steel structure to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a special coating fastening bolt of steel construction with reduced fastening bolt and received the amplitude.

The utility model provides a special coating fastening bolt of steel construction includes: the inner wall of the nut is fixedly provided with a vertically arranged threaded rod, and the side wall of the joint of the nut and the threaded rod is fixedly provided with a plurality of uniformly distributed reinforcing ribs; the buffer disc is sleeved on the threaded rod and is in sliding contact with the threaded rod; the buffer mechanism is arranged in the reinforcing rib and comprises an installation cavity, a sliding rod, an installation disc and a spring, the installation cavity is formed in the reinforcing rib, the sliding rod in sliding connection is inserted in the installation cavity, one end of the sliding rod is fixedly connected with the upper surface of the buffer disc, the installation disc in sliding connection with the installation cavity is fixedly sleeved on the sliding rod in the installation cavity, and the spring is connected with the sliding rod in series; and the rotating mechanism is arranged on the outer wall of the screw cap.

Preferably, one end of the spring is fixedly connected with the inner top wall of the mounting cavity, and the other end of the spring is fixedly connected with the upper surface of the mounting disc.

Preferably, the rotating mechanism comprises a groove and a cross groove, the groove is formed in the outer wall of the screw cap, and the cross groove is formed in the groove.

Preferably, the bottom of the threaded rod is fixedly connected with a bolt rod.

Preferably, the threaded rod and the bolt rod are both coated with engineering resin powder.

Preferably, a buffer pad is fixedly embedded on the inner bottom wall of the buffer disc.

Compared with the prior art, the utility model provides a special coating fastening bolt of steel construction has following beneficial effect:

the utility model provides a special coating fastening bolt of steel construction uses the cross screwdriver to insert and establishes to the cross recess, and insert threaded rod and shank of bolt and establish to the work hole in until the state of screwing up, and when threaded rod and work hole screw thread are rotatory, the mounting disc contacts with the upper surface in work hole, along with the deepening of threaded rod, the mounting disc receives pressure and thus the slide bar upwards slides along the installation cavity, the compression spring is seted up to the mounting disc this moment, until fastening bolt fixes in the work hole, and threaded rod and shank of bolt all coat and have engineering resin powder, and in the fastening bolt vestibule after, because the effect of shearing force and pressure destroys engineering resin powder down, the adhesive can solidify; the fastening bolt can be separated due to the vibration of two or more than two connected opposite objects, and the spring can be compressed under the action of the buffer mechanism, so that the amplitude of the fastening bolt is reduced, and the loosening of the screw is not easy to cause.

Drawings

Fig. 1 is a schematic structural view of a preferred embodiment of the coated fastening bolt specially used for steel structure provided by the present invention;

fig. 2 is an enlarged schematic view of a portion a shown in fig. 1.

Reference numbers in the figures: 1. the bolt comprises a nut, 2, a threaded rod, 3, a reinforcing rib, 4, a buffering mechanism, 41, a mounting cavity, 42, a sliding rod, 43, a mounting disc, 44, a spring, 5, a buffering disc, 6, a bolt rod, 7, a rotating mechanism, 71, a groove, 72 and a cross groove.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1 and fig. 2, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of a coated fastening bolt specially used for a steel structure according to the present invention; fig. 2 is an enlarged schematic view of a portion a shown in fig. 1. The special coated fastening bolt for steel structure comprises: nut 1, buffer disk 5, buffer gear 4 and rotary mechanism 7, the inner wall fixed mounting of nut 1 has perpendicular threaded rod 2 that sets up, and the lateral wall fixed mounting of

nut

1 and 2 junctions of threaded rod has a plurality of evenly distributed's strengthening rib 3, buffer disk 5 cup joints on threaded rod 2 and with 2 sliding contact of threaded rod, buffer gear 4 sets up in strengthening rib 3, rotary mechanism 7 establishes the outer wall at nut 1.

In the specific implementation process, as shown in fig. 1 and fig. 2, the buffering mechanism 4 includes an installation cavity 41, a sliding rod 42, an installation disc 43 and a spring 44, the installation cavity 41 is provided in the reinforcing rib 3, the sliding rod 42 of the sliding connection is inserted in the installation cavity 41, one end of the sliding rod 42 is fixedly connected with the upper surface of the buffering disc 5, the installation disc 43 slidably connected with the installation cavity 41 is fixedly sleeved on the sliding rod 42 in the installation cavity 41, the spring 44 is connected on the sliding rod 42 in series, one end of the spring 44 is fixedly connected with the inner top wall of the installation cavity 41, the other end of the spring 44 is fixedly connected with the upper surface of the installation disc 43, and the phenomenon that the spring 44 jumps is avoided.

Referring to fig. 1, the rotating mechanism 7 includes a groove 71 and a cross-shaped groove 72, the groove 71 is formed in the outer wall of the nut 1, and the cross-shaped groove 72 is formed in the groove 71, so that a worker can use a tool to rotate the fastening bolt.

Referring to fig. 1, a bolt shaft 6 is fixedly coupled to the bottom of the threaded shaft 2, thereby lengthening the bolt while allowing the fastening bolt to be excessively tightened when inserted into the apparatus.

Referring to fig. 1, the threaded rod 2 and the bolt rod 6 are coated with engineering resin powder, and the engineering resin powder is melted by high temperature and permanently adhered to the threaded rod 2 and the bolt rod 6.

Wherein, the inner bottom wall of buffer disk 5 is fixed with the gomphosis blotter, reduces the indentation between buffer disk 5 and the screw hole upper surface.

The utility model provides a special coating fastening bolt of steel construction's theory of operation as follows:

when the device is used, a cross screwdriver is inserted into the cross groove 72, the threaded rod 2 and the bolt rod 6 are inserted into the working hole, until the threaded rod 2 and the working hole are screwed, the mounting disc 43 is in contact with the upper surface of the working hole, the mounting disc 43 is pressed with the threaded rod 2, so that the sliding rod 42 slides upwards along the mounting cavity 41, the mounting disc 43 is provided with the compression spring 44, until the fastening bolt is fixed in the working hole, and the threaded rod 2 and the bolt rod 6 are coated with engineering resin powder (the engineering resin powder mainly adopts EPOXY, which is the prior art and is not described herein), after the fastening bolt is fastened in the hole cavity, the adhesive is cured after the engineering resin powder is damaged under the action of shearing force and pressure, and the fixing effect of the fastening bolt in the working hole is improved; the fastening bolt is separated due to the vibration of two or more opposite objects connected, and the spring 44 is compressed due to the buffer mechanism 4, so that the amplitude of the fastening bolt is reduced, and the screw is not easy to loosen.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The utility model provides a special coating fastening bolt of steel construction which characterized in that includes:

the nut comprises a nut (1), wherein a vertically arranged threaded rod (2) is fixedly installed on the inner wall of the nut (1), and a plurality of uniformly distributed reinforcing ribs (3) are fixedly installed on the side wall of the joint of the nut (1) and the threaded rod (2);

the buffer disc (5) is sleeved on the threaded rod (2) and is in sliding contact with the threaded rod (2);

the buffer mechanism (4) is arranged in the reinforcing rib (3), the buffer mechanism (4) comprises an installation cavity (41), a sliding rod (42), an installation disc (43) and a spring (44), the installation cavity (41) is formed in the reinforcing rib (3), the sliding rod (42) in sliding connection is inserted in the installation cavity (41), one end of the sliding rod (42) is fixedly connected with the upper surface of the buffer disc (5), the installation disc (43) in sliding connection with the installation cavity (41) is fixedly sleeved on the sliding rod (42) in the installation cavity (41), and the spring (44) is connected with the sliding rod (42) in series;

the rotating mechanism (7), the rotating mechanism (7) is arranged on the outer wall of the nut (1).

2. The coated fastening bolt special for steel structure as claimed in claim 1, wherein one end of the spring (44) is fixedly connected with the inner top wall of the mounting cavity (41), and the other end of the spring (44) is fixedly connected with the upper surface of the mounting plate (43).

3. The coated fastening bolt specially used for steel structures according to claim 1, characterized in that the rotating mechanism (7) comprises a groove (71) and a cross groove (72), the groove (71) is opened on the outer wall of the nut (1), and the cross groove (72) is opened in the groove (71).

4. The coated fastening bolt specially for steel structure according to claim 1, characterized in that the bottom of the threaded rod (2) is fixedly connected with a bolt rod (6).

5. The coated fastening bolt specially for steel structure according to claim 1, wherein the threaded shaft (2) and the bolt shaft (6) are coated with engineering resin powder.

6. The coated fastening bolt specially for steel structure according to claim 1, wherein the inner bottom wall of the buffer disk (5) is fixedly embedded with a buffer pad.