CN213332939U

CN213332939U - Flange capable of preventing rotation and falling

Info

Publication number: CN213332939U
Application number: CN202022007793.3U
Authority: CN
Inventors: 经伟
Original assignee: Nanjing Tianhong Machinery Co ltd
Current assignee: Nanjing Tianhong Machinery Co ltd
Priority date: 2020-09-15
Filing date: 2020-09-15
Publication date: 2021-06-01
Anticipated expiration: 2030-09-15

Abstract

The utility model discloses a prevent rotatory flange that drops relates to flange technical field, for the problem that the ordinary rotatory flange among the solution prior art drops easily. The anti-falling device is characterized in that a first anti-falling block and a second anti-falling block are respectively arranged below the first flange, the first anti-falling block and the second anti-falling block are respectively arranged with the first flange to form an integrated structure, a first clamping block and a second clamping block are respectively arranged inside the second flange, the first clamping block and the second clamping block are respectively connected with the second flange in a sliding mode, a clamping groove is formed in the second flange, the first clamping block and the second clamping block are identical in shape and size, the first anti-falling block and the second anti-falling block are identical in shape and size, and the size and shape of the clamping groove are identical to the size and shape formed by the first anti-falling block and the first clamping block in a transverse mode. A first spring is installed below the first clamping block, the first clamping block and the second flange are both connected with the first spring in a welded mode, and a second spring is installed below the second clamping block.

Description

Flange capable of preventing rotation and falling

Technical Field

The utility model relates to a flange technical field specifically is a prevent rotatory flange that drops.

Background

Flanges, also called flange flanges or flanges, are parts of the shaft which are connected with each other and are used for connecting pipe ends; there are also flanges at the inlet and outlet of the equipment for the connection between two equipments, such as the flange of the speed reducer, the flange connection or the flange joint, which means the detachable connection of a group of combined sealing structure formed by the mutual connection of the flange, the gasket and the bolt, the pipeline flange means the flange for piping in the pipeline device, the inlet and outlet flange of the equipment used on the equipment, the flange has holes, the bolt tightly connects the two flanges, the flange is sealed by the gasket, the flange is divided into the flange for screw connection (screw connection), the welding flange and the clamping flange.

In the prior art, flanges are widely used in the field of machinery as connecting pieces, and pipes can be well connected through a pair of flanges which are matched with each other, generally speaking, a pair of flanges are connected with each other through corresponding mounting holes and connecting pieces such as bolts, but obviously, the connection cannot be completely sealed, a gap between two flange pieces is easy to cause leakage, recently, products also think that the sealing performance is improved by using threaded connection, but for the connection between rotating pieces, a pair of flanges are easy to unscrew by using threads, so that the two flanges are easy to fall off; therefore, the market urgently needs to develop a flange for preventing the rotation and the falling to help people to solve the existing problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent rotatory flange that drops to solve the problem that ordinary rotatory flange that proposes among the above-mentioned background art drops easily.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a prevent flange that rotatory drops, includes first flange and second flange, the below of first flange is provided with first anticreep piece and second anticreep piece respectively, and just first anticreep piece and second anticreep piece all set up structure as an organic whole with first flange, the inside of second flange is provided with first fixture block and second fixture block respectively, and just first fixture block and second fixture block all with second flange sliding connection, the inside of second flange is provided with the draw-in groove, first fixture block is the same with second fixture block shape size, first anticreep piece is the same with second anticreep block shape size, the size shape of draw-in groove is the same with the size shape homogeneous phase that first anticreep piece and first fixture block transversely constitute.

Preferably, a first spring is installed below the first clamping block, and the first clamping block and the second flange are both connected with the first spring in a welded mode.

Preferably, a second spring is installed below the second clamping block, and the second clamping block and the second flange are both connected with the second spring in a welding mode.

Preferably, a threaded cylinder is arranged below the first flange, and the threaded cylinder and the first flange are arranged into an integral structure.

Preferably, the second flange is internally provided with thread teeth, and the thread teeth and the second flange are arranged into an integral structure.

Preferably, the first flange is internally provided with a bolt hole and a flange hole respectively, and the bolt hole and the flange hole are integrated with the first flange.

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

1. the utility model is provided with the first anti-drop block, the second anti-drop block, the first clamping block and the second clamping block, when the first flange is connected with the second flange, the first anti-drop block is contacted with the first clamping block, and the first clamping block is extruded to compress the first spring, the second anti-drop block is contacted with the second clamping block and extrudes the second clamping block to compress the second spring, when the first flange is completely jointed with the second flange, the first anti-falling block moves to one side of the first clamping block, and enters the clamping groove of the second flange, the first clamping block is rebounded to the original position by the first spring and clamps the first anti-falling block, the second anti-falling block also moves to one side of the second clamping block and enters the clamping groove of the second clamping block, the second clamping block is rebounded to the original position by the second spring, and meanwhile, the second anti-falling block is clamped, so that the anti-falling effect is achieved, and the two flanges are prevented from falling off in a rotating manner.

2. The utility model discloses a through the setting of bolt hole, first flange and second flange all are provided with the bolt hole to the position corresponds each other, can use the bolt to pass the bolt hole and fasten, thereby makes first flange and second flange laminate more, increases the leakproofness between two flanges, improves the performance of first flange and second flange.

Drawings

Fig. 1 is a front view of a flange for preventing rotation and falling off according to the present invention;

fig. 2 is a cross-sectional view of a second flange of the present invention;

fig. 3 is a bottom view of the first flange of the present invention.

In the figure: 1. a first flange; 2. a second flange; 3. a threaded barrel; 4. a first anti-drop block; 5. a second anti-drop block; 6. a first clamping block; 7. a second fixture block; 8. a first spring; 9. a second spring; 10. thread teeth; 11. bolt holes; 12. and (4) flange holes.

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 prevent flange that rotatory drops, including first flange 1 and second flange 2, the below of first flange 1 is provided with first anticreep piece 4 and second anticreep piece 5 respectively, and first anticreep piece 4 and second anticreep piece 5 all set up structure as an organic whole with first flange 1, the inside of second flange 2 is provided with first fixture block 6 and second fixture block 7 respectively, and first fixture block 6 and second fixture block 7 all with second flange 2 sliding connection, the inside of second flange 2 is provided with the draw-in groove, first fixture block 6 is the same with 7 shape size homogeneous phases of second fixture block, first anticreep piece 4 is the same with 5 shape size phases of second anticreep piece, the size shape homogeneous phase of draw-in groove is the same with the size homogeneous phase of the horizontal constitution of first anticreep piece 4 and first fixture block 6.

Further, first spring 8 is installed to the below of first fixture block 6, first fixture block 6 and second flange 2 all with first spring 8 welded connection, first fixture block 6 and first spring 8 all are provided with two, first fixture block 6 is collapsible to the inside of second flange 2 draw-in groove to first anticreep piece 4 also will get into the draw-in groove in first fixture block 6 place region, when first flange 1 and second flange 2 laminate completely, first anticreep piece 4 is located the inside of draw-in groove, the side of first fixture block 6.

Further, second spring 9 is installed to the below of second fixture block 7, second fixture block 7 and second flange 2 all with second spring 9 welded connection, second fixture block 7 and second spring 9 all are provided with two, second fixture block 7 also can contract to the inside of second flange 2 draw-in groove to second anticreep piece 5 also will get into the draw-in groove in second fixture block 7 place region, when first flange 1 and second flange 2 laminate completely, second anticreep piece 5 is located the inside of draw-in groove, the side of second fixture block 7.

Further, a thread cylinder 3 is arranged below the first flange 1, the thread cylinder 3 and the first flange 1 are arranged into an integral structure, the thread cylinder 3 is matched with a tooth groove of the thread teeth 10, and the first flange 1 and the second flange 2 are fixedly connected through the thread cylinder 3 and the thread teeth 10.

Further, the second flange 2 is internally provided with a thread tooth 10, and the thread tooth 10 and the second flange 2 are provided as an integral structure, and the length of the thread tooth 10 is the same as that of the thread cylinder 3.

Further, the first flange 1 is internally provided with bolt holes 11 and flange holes 12, the bolt holes 11 and the flange holes 12 are both integrated with the first flange 1, the second flange 2 is also provided with the bolt holes 11, and the first flange 1 and the second flange 2 can be fixedly connected together through the bolt holes 11 by using bolts.

The working principle is as follows: when the anti-disengaging device is used, the threaded cylinder 3 of the first flange 1 is meshed with the threaded teeth 10 of the second flange 2 through rotation, so that the threaded cylinder 3 is in threaded connection with the threaded teeth 10, when the first flange 1 and the second flange 2 are close to each other, the first anti-disengaging block 4 is attached to the first clamping block 6, the second anti-disengaging block 5 is attached to the second clamping block 7, then the first flange 1 is rotated, the first anti-disengaging block 4 extrudes the first clamping block 6, the second anti-disengaging block 5 extrudes the second clamping block 7, the first clamping block 6 extrudes the first spring 8, the second clamping block 7 extrudes the second spring 9, the first clamping block 6 and the second clamping block 7 are compressed towards the inner side of the first flange 1, when the first flange 1 and the second flange 2 are completely attached through rotation, the first anti-disengaging block 4 is separated from the first clamping block 6, the second anti-disengaging block 5 is separated from the second clamping block 7, and the first clamping block 6 is rebounded by the first spring 8, first anticreep piece 4 will get into the inside draw-in groove of first flange 1 to laminate mutually with the side of first fixture block 6, second fixture block 7 will be rebounded the original position by second spring 9, the inside draw-in groove of first flange 1 will be got into to second anticreep piece 5, and laminate mutually with the side of second fixture block 7, thereby first fixture block 6 and second fixture block 7 can block first anticreep piece 4 and second anticreep piece 5 respectively, thereby play and to first flange 1 and the rotatory anticreep effect of second flange 2.

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. The utility model provides a prevent flange that rotation drops, includes first flange (1) and second flange (2), its characterized in that: the utility model discloses a novel anti-disengaging structure, including first flange (1), first anti-disengaging piece (4) and second anti-disengaging piece (5) are provided with respectively to the below of first flange (1), and first anti-disengaging piece (4) and second anti-disengaging piece (5) all set up structure as an organic whole with first flange (1), the inside of second flange (2) is provided with first fixture block (6) and second fixture block (7) respectively, and first fixture block (6) and second fixture block (7) all with second flange (2) sliding connection, the inside of second flange (2) is provided with the draw-in groove, first fixture block (6) are the same with second fixture block (7) shape size homogeneous phase, first anti-disengaging piece (4) are the same with second anti-disengaging piece (5) shape size homogeneous phase, the size shape of draw-in groove is the same with the size homogeneous phase that first anti-disengaging piece (4) and first fixture block (6) transversely constitute.

2. A rotation drop prevention flange according to claim 1, wherein: first spring (8) are installed to the below of first fixture block (6), first fixture block (6) and second flange (2) all with first spring (8) welded connection.

3. A rotation drop prevention flange according to claim 1, wherein: and a second spring (9) is installed below the second clamping block (7), and the second clamping block (7) and the second flange (2) are both connected with the second spring (9) in a welding manner.

4. A rotation drop prevention flange according to claim 1, wherein: a threaded cylinder (3) is arranged below the first flange (1), and the threaded cylinder (3) and the first flange (1) are arranged into an integral structure.

5. A rotation drop prevention flange according to claim 1, wherein: the inner part of the second flange (2) is provided with thread teeth (10), and the thread teeth (10) and the second flange (2) are arranged into an integral structure.

6. A rotation drop prevention flange according to claim 1, wherein: the first flange (1) is internally provided with a bolt hole (11) and a flange hole (12) respectively, and the bolt hole (11) and the flange hole (12) are integrated with the first flange (1).