CN212028270U

CN212028270U - Fixing bolt for hollow brick

Info

Publication number: CN212028270U
Application number: CN201922171311.5U
Authority: CN
Inventors: 范成建; 刘斌; 杜鹏
Original assignee: Nanjing Danxi Environmental Protection Technology Co ltd
Current assignee: Nanjing Danxi Environmental Protection Technology Co ltd
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-11-27
Anticipated expiration: 2029-12-06

Abstract

The utility model discloses a fixing bolt that can be used to hollow brick relates to bolt technical field, for solving all to adopt the mode of installing expansion bolts to come at floor or on the wall fixed object in the current building trade, but expansion bolts then can't fixed problem when meetting the fixed body for hollow materials such as hollow brick. Be provided with the screw-thread mechanism on the outer wall of bolt main part, and screw-thread mechanism and bolt main part structure as an organic whole, the outside of bolt main part is provided with the bolt overcoat, the one end of bolt main part is provided with locking mechanism, the nut is installed to the other end of bolt main part, locking mechanism's inside is provided with first backup pad and second backup pad, and first backup pad and second backup pad cross arrangement.

Description

Fixing bolt for hollow brick

Technical Field

The utility model relates to a bolt technical field specifically is a fixing bolt that can be used to hollow brick.

Background

A bolt is a mechanical part, and a cylindrical threaded fastener matched with a nut. A fastener consisting of a head and a screw is matched with a nut and used for fastening and connecting two parts with through holes. If the nut is unscrewed from the bolt, the two parts can be separated, so that the bolt connection belongs to detachable connection. Bolts are scarce in daily life and in industrial production and manufacture, and are also called industrial rice. It can be seen that the bolt has wide application. The application range of the bolt is as follows: the bolt is also useful for electronic products, mechanical products and even chemical experiments. Among them, cameras, glasses, clocks, etc. use micro bolts; televisions, electrical products, furniture and the like are common bolts; large bolts and nuts are used for engineering, buildings and bridges; transportation equipment, airplanes, automobiles, and the like are used with large and small bolts. Bolts have an important task in industry, and as long as there is industry on earth, the function of bolts is of permanent importance.

However, in the existing building industry, objects are fixed on the floor or the wall by installing expansion bolts, but the expansion bolts cannot be fixed if the fixed bodies are hollow materials such as hollow bricks and the like; thus, the prior art need is not met, and a fixing bolt for a hollow block has been proposed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fixing bolt that can be used to hollow brick to all adopt the mode of installing expansion bolts to come at floor or on the wall fixed object in solving the current building trade that proposes in the above-mentioned background art, but expansion bolts then can't fixed problem when meetting the fixed body for hollow materials such as hollow brick.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a fixing bolt that can be used to hollow brick, includes the bolt main part, be provided with screw-thread mechanism on the outer wall of bolt main part, and screw-thread mechanism and bolt main part structure as an organic whole, the outside of bolt main part is provided with the bolt overcoat, the one end of bolt main part is provided with locking mechanism, the nut is installed to the other end of bolt main part, locking mechanism's inside is provided with first backup pad and second backup pad, and first backup pad and second backup pad cross arrangement.

Preferably, the locking mechanism is provided with a first support plate and a second support plate inside, and the first support plate and the second support plate are arranged in a cross manner.

Preferably, the first support plate is rotatably connected with the second support plate through a rotating shaft.

Preferably, a spring gasket and a flat gasket are arranged at the joint of the nut and the bolt outer sleeve, and the spring gasket is arranged between the flat gasket and the nut.

Preferably, the nut is screwed with the bolt body through a screw mechanism.

Preferably, the bolt body is made of SCM435 type steel and has the hardness of 32-39 HR.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a change former expansion bolts's expand tube into the combination of bolt overcoat and X type backup pad, can put into hollow brick's trompil with the bolt during the use, go up nut, under the effect of nut, bolt overcoat, make X type backup pad open gradually until "style of calligraphy", last lock nut, gasket and backup pad let wholly be the tight hollow brick outer wall of I type clamp and reach firm effect, can be fine use under the fixed body is hollow material's the condition.

2. Through adopting SCM435 shaped steel preparation bolt, and hardness is 32-39HR, has satisfied national standard production bolt requirement, and newly-increased locking mechanical system comprises two the same backup pad parts, and simple structure can be with the mould manufacturing, and original expand tube has been replaced to new mechanism for the cost can not increase too much, can mass production, in order to satisfy the market demand.

3. Through set up spring shim and flat gasket in the junction of nut and bolt overcoat, the flat gasket can reduce the pressure between the nut and the brick body through increase and the area of contact on hollow brick surface to play the guard action, the spring shim can rely on self elasticity to play locking effect, and can play absorbing effect to a certain extent.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the lateral structure of the present invention;

fig. 3 is a schematic view of the installation structure of the present invention;

in the figure: 1. a bolt body; 2. a screw mechanism; 3. sleeving a bolt sleeve; 4. a nut; 5. a spring washer; 6. a flat gasket; 7. a locking mechanism; 8. a first support plate; 9. a second support plate; 10. a rotating shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a fixing bolt that can be used to hollow brick, including bolt main part 1, be provided with screw-thread mechanism 2 on the outer wall of bolt main part 1, and screw-thread mechanism 2 and bolt main part 1 structure as an organic whole, screw-thread mechanism 2 is used for locking with nut 4, the outside of bolt main part 1 is provided with bolt overcoat 3, bolt overcoat 3 can extrude locking mechanism 7 under the effect of nut 4, make its inside X shape backup pad expand, the one end of bolt main part 1 is provided with locking mechanism 7, nut 4 is installed to the other end of bolt main part 1, locking mechanism 7's inside is provided with first backup pad 8 and second backup pad 9, and first backup pad 8 and second backup pad 9 cross arrangement.

Further, a first supporting plate 8 and a second supporting plate 9 are arranged inside the locking mechanism 7, the first supporting plate 8 and the second supporting plate 9 are arranged in a cross manner, the first supporting plate 8 and the second supporting plate 9 which are crossed have certain unfolding characteristics after being connected, and can be opened into a straight shape through external force application.

Further, the first support plate 8 is rotatably connected with the second support plate 9 through the rotating shaft 10, so that the first support plate 8 and the second support plate 9 can be gradually opened into a straight shape under the action of the nut 4 and the bolt sleeve 3.

Further, nut 4 and bolt overcoat 3 junction are provided with spring shim 5 and flat gasket 6, and spring shim 5 sets up between flat gasket 6 and nut 4, and flat gasket 6 reduces the pressure between the nut 4 and the brick body through the area of contact on increase and hollow brick surface to play the guard action, spring shim 5 can rely on self elasticity to play locking effect, and can be to a certain extent, play absorbing effect.

Further, the nut 4 is in threaded connection with the bolt main body 1 through the thread mechanism 2, the nut 4 is rotated to be locked along the thread mechanism 2, the bolt outer sleeve 3 can be driven to apply pressure to the locking mechanism 7, and the effect of fixing the bolt main body 1 is achieved.

Further, the bolt body 1 is made of SCM435 type steel, the hardness is 32-39HR, and the requirement of national standard bolt production is met.

The working principle is as follows: during the use, at first drill out the hole with bolt main part 1 corresponding dimension on the fixed body with the electric drill, the hole degree of depth will exceed the outer thickness of hollow brick until the hollow department, later put the bolt wholly into the hole, it should guarantee during putting that first backup pad 8 and second backup pad 9 are the X type, tighten nut 4 after installing spring gasket 5 and plain gasket 6 gradually, promote bolt overcoat 3 and remove under nut 4's effect, make it to the application of force of locking mechanical system 7, until X type backup pad expandes into "style of calligraphy", lock nut 4 at last, gasket and backup pad, let wholly be the I type and press from both sides tight hollow brick outer wall and reach firm effect.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A fixing bolt that can be used to hollow brick, includes bolt main part (1), its characterized in that: be provided with screw mechanism (2) on the outer wall of bolt main part (1), and screw mechanism (2) and bolt main part (1) structure as an organic whole, the outside of bolt main part (1) is provided with bolt overcoat (3), the one end of bolt main part (1) is provided with locking mechanism (7), nut (4) are installed to the other end of bolt main part (1).

2. A fixing bolt usable with a hollow block as claimed in claim 1, wherein: the locking mechanism (7) is internally provided with a first supporting plate (8) and a second supporting plate (9), and the first supporting plate (8) and the second supporting plate (9) are arranged in a cross manner.

3. A fixing bolt usable with a hollow block as claimed in claim 2, wherein: the first supporting plate (8) is rotatably connected with the second supporting plate (9) through a rotating shaft (10).

4. A fixing bolt usable with a hollow block as claimed in claim 1, wherein: and a spring gasket (5) and a flat gasket (6) are arranged at the joint of the nut (4) and the bolt outer sleeve (3), and the spring gasket (5) is arranged between the flat gasket (6) and the nut (4).

5. A fixing bolt usable with a hollow block as claimed in claim 1, wherein: the nut (4) is in threaded connection with the bolt main body (1) through the threaded mechanism (2).

6. A fixing bolt usable with a hollow block as claimed in claim 1, wherein: the bolt main body (1) is made of SCM435 type steel, and the hardness is 32-39 HR.