CN211820305U - Locking type flange face bearing toothed bolt - Google Patents

Abstract

The utility model discloses a locking type flange face holds face and takes tooth bolt, including main part post, holding panel and nut, the surface of main part post evenly is provided with the screw thread, and the below of main part post is fixed with the extension post, holding panel installs in the top of main part post, and holds the below outside of panel and evenly is provided with the locking strip, the locking strip includes spring leaf and most advanced piece, and the one end of spring leaf is fixed with pointed end piece, the nut is fixed in the top of holding panel, and the front of nut has seted up the draw-in groove, the outside of locking strip is seted up flutedly, and evenly is provided with the latch between locking strip and the main part post are adjacent. The utility model discloses a set up the one end of three looks isostructures's anti-loosening strip and fix in proper order in the face bearing plate below to the head links to each other and forms the ring form, and the most advanced piece of each anti-loosening strip all arranges towards clockwise, so that when the bolt takes place the counter clockwise rotation not hard up, utilizes the tip block to block the flange face, has effectively strengthened the locking effect of whole bolt then.

Description

Locking type flange face bearing toothed bolt

Technical Field

The utility model relates to a machine part technical field specifically is a locking type flange face holds face and takes tooth bolt.

Background

Flanges, also called flange flanges or flanges, are parts for connecting pipes to each other and are used for connecting pipe ends, the flange connection is that two pipelines, pipe fittings or equipment are respectively fixed on one flange, a flange pad is added between the two flanges and are fastened together by bolts to complete the connection, and the bolts for the flange connection generally belong to bearing face toothed bolts.

However, when the bearing surface toothed bolt on the market is connected, the bearing surface toothed bolt is not convenient to be quickly positioned in a screw hole of the flange, and in the long-term use process, the bolt and the flange are easy to loosen, so that the connection is not tight.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a locking type flange face holds tooth bolt to the face that holds on the existing market who proposes in solving above-mentioned background art holds tooth bolt when connecting, is not convenient for fix a position fast among the screw of flange, and in long-term use, easily takes place to become flexible between bolt and the flange, and leads to connecting untight problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a locking type flange face holds tooth bolt, includes main part post, holds panel and nut, the surface of main part post evenly is provided with the screw thread, and the below of main part post is fixed with the extension post, hold the panel and install in the top of main part post, and the below outside of holding the panel evenly is provided with the locking strip, the locking strip includes spring leaf and most advanced piece, and the one end of spring leaf is fixed with pointed end piece, the nut is fixed in the top of holding the panel, and the front of nut has seted up the draw-in groove, the outside of locking strip is seted up flutedly, and evenly be provided with the latch between locking strip and the main part post are adjacent.

Preferably, the structure of the extension column is a cylindrical structure, and the diameter of the extension column is 2-5mm smaller than that of the main column.

Preferably, the number of the anti-loosening strips is set to be 3, and a circular ring-shaped structure is formed between the anti-loosening strips.

Preferably, the spring piece is of an elastic structure, and the size of the spring piece is matched with that of the groove.

Preferably, the nut is of a hexagonal structure, and the clamping groove is of a cross structure.

Preferably, the latch protrudes from the lower surface of the bearing plate, and the latch is radially distributed about the central point of the bearing plate.

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

1. one end of each anti-loosening strip with the same structure is sequentially fixed below the bearing plate and is connected with the head to form a circular ring shape, and the tip end blocks of the anti-loosening strips are arranged clockwise, so that when the bolt is loosened by anticlockwise rotation, the flange surface is clamped by the tip end blocks, and the anti-loosening effect of the whole bolt is effectively enhanced;

2. the extension column is thinner than the main body column, so that the extension column can be pre-inserted into a flange screw hole matched with the main body column, the whole bolt and the screw hole can be positioned and matched quickly, later-stage assembly is facilitated one by one, one end of a spring piece provided with each anti-loosening strip is in a welding state, and a tip block is arranged at the other end of the spring piece and protrudes out of the groove, so that the elastic action of the spring piece is utilized, and the stability of the bolt and the flange in connection is further improved;

3. set up hexagonal nut can with the spanner phase-match, and criss-cross draw-in groove and flat screwdriver and plum blossom bottle opener phase-match, make then twisting of whole bolt move the operation can assist going on through multiple instrument, the connection of bolt is fixed more convenient, the latch that sets up triangle-shaped arranges clockwise order as the center at the lower surface of bearing plate about the main part post, has improved the frictional force on bearing plate and flange surface, has further strengthened the locking effect of whole bolt.

Drawings

FIG. 1 is a schematic structural view of the present invention;

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

fig. 3 is a schematic view of the bottom view of the present invention.

In the figure: 1. a main body column; 2. a thread; 3. extending the column; 4. a bearing plate; 5. an anti-loosening strip; 501. a spring plate; 502. a tip block; 6. a nut; 7. a card slot; 8. a groove; 9. and (4) clamping teeth.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a locking type flange bearing surface bolt with teeth comprises a main body column 1, threads 2, an extension column 3, a bearing plate 4, a locking strip 5, a spring piece 501, a tip block 502, a nut 6, a clamping groove 7, a groove 8 and clamping teeth 9, wherein the threads 2 are uniformly arranged on the outer surface of the main body column 1, the extension column 3 is fixed below the main body column 1, the extension column 3 is of a cylindrical structure, the diameter of the extension column 3 is 2-5mm smaller than that of the main body column 1, and the extension column 3 is thinner than the main body column 1, so that the extension column 3 can be pre-inserted into a flange screw hole matched with the main body column 1, the whole bolt and the screw hole can be positioned and matched quickly, and later-stage assembly is facilitated;

the bearing plate 4 is arranged above the main body column 1, anti-loosening strips 5 are evenly arranged on the outer side of the lower portion of the bearing plate 4, each anti-loosening strip 5 comprises a spring piece 501 and a tip block 502, one end of each spring piece 501 is fixed with the tip block 502, the number of the anti-loosening strips 5 is 3, circular ring-shaped structures are formed among the anti-loosening strips 5, one ends of the anti-loosening strips 5 with three same structures are sequentially fixed below the bearing plate 4 and are connected in the head position to form a circular ring shape, the tip blocks 502 of each anti-loosening strip 5 are arranged in the clockwise direction, so that when a bolt is loosened in the anticlockwise rotation direction, the flange face is clamped by the tip blocks 502, the anti-loosening effect of the whole bolt is effectively enhanced, the nut 6 is fixed above the bearing plate 4, the clamping groove 7 is formed in the front face of the nut 6, the structure of the nut 6 is a hexagonal structure, and, the hexagonal nut 6 can be matched with a wrench, and the cross-shaped clamping groove 7 is matched with a flat screwdriver and a plum blossom screwdriver, so that the whole bolt can be screwed by a plurality of tools, and the bolt is more convenient to connect and fix;

the outer side of the anti-loosening strip 5 is provided with a groove 8, the structure that the clamping teeth 9 and the spring pieces 501 are uniformly arranged between the anti-loosening strip 5 and the main body column 1 is an elastic structure, the size of the spring pieces 501 is matched with the size of the groove 8, one end of each spring piece 501 provided with each anti-loosening strip 5 is in a welding state, the other end of each spring piece 501 is provided with a tip block 502 protruding out of the groove 8, so that the elastic effect of the spring pieces 501 is utilized to further improve the stability of the bolt in connection with the flange, the clamping teeth 9 protrude out of the lower surface of the bearing plate 4, the clamping teeth 9 are distributed in a radiation mode relative to the central point of the bearing plate 4, the triangular clamping teeth 9 are arranged on the lower surface of the bearing plate 4 in a clockwise sequence relative to the main body column 1, the friction force between the bearing plate 4 and the surface of the.

The working principle is as follows: for the anti-loose type bolt with the toothed flange bearing surface, the extension column 3 is firstly inserted into the bolt hole of the flange, so that the whole bolt is simply positioned at the bolt hole to be convenient for later screwing, then a hexagonal wrench is sleeved outside the nut 6 or a screwdriver is clamped inside the clamping groove 7, then the whole bolt is rotated clockwise, because the thread 2 on the surface of the main body column 1 is matched with the inside of the screw hole, the main body column 1 is slowly screwed into the screw hole of the flange until the anti-loosening strip 5 is contacted with the flange surface, the nut 6 is continuously screwed, so that the anti-loosening element 5 is compressed between the bearing plate 4 and the flange surface, the spring plate 501 and the tip block 502 are pressed into the recess 8, the latch 9 then contacts the flange face until the bolt is tightened, at which point the latch 9 and the tip block 502 are both arranged clockwise, therefore, the locking effect is good, and the use process of the whole locking type bolt with the toothed bearing surface of the flange surface is completed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a locking type flange face-bearing toothed bolt, includes main part post (1), holds panel (4) and nut (6), its characterized in that: the outer surface of the main body column (1) is uniformly provided with threads (2), an extension column (3) is fixed below the main body column (1), a bearing plate (4) is installed above the main body column (1), anti-loosening strips (5) are uniformly arranged on the outer side of the lower portion of the bearing plate (4), each anti-loosening strip (5) comprises a spring piece (501) and a tip block (502), one end of each spring piece (501) is fixed with the tip block (502), a nut (6) is fixed above the bearing plate (4), a clamping groove (7) is formed in the front of the nut (6), a groove (8) is formed in the outer side of each anti-loosening strip (5), and clamping teeth (9) are uniformly arranged between the anti-loosening strips (5) and the main body column (1) in an adjacent mode.

2. The anti-loosening flange face-bearing toothed bolt according to claim 1, characterized in that: the structure of the extension column (3) is a cylindrical structure, and the diameter of the extension column (3) is 2-5mm smaller than that of the main column (1).

3. The anti-loosening flange face-bearing toothed bolt according to claim 1, characterized in that: the number of the anti-loosening strips (5) is set to be 3, and a circular ring-shaped structure is formed between the anti-loosening strips (5).

4. The anti-loosening flange face-bearing toothed bolt according to claim 1, characterized in that: the spring piece (501) is of an elastic structure, and the size of the spring piece (501) is matched with that of the groove (8).

5. The anti-loosening flange face-bearing toothed bolt according to claim 1, characterized in that: the nut (6) is of a hexagonal structure, and the clamping groove (7) is of a cross structure.

6. The anti-loosening flange face-bearing toothed bolt according to claim 1, characterized in that: the latch (9) protrudes out of the lower surface of the bearing plate (4), and the latch (9) is distributed in a radiation mode relative to the central point of the bearing plate (4).

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