CN209557841U

CN209557841U - Flange

Info

Publication number: CN209557841U
Application number: CN201822024466.1U
Authority: CN
Inventors: 朱洪亮; 杜思林
Original assignee: Lianshui Si Mak Power Machinery Co Ltd
Current assignee: Lianshui Si Mak Power Machinery Co Ltd
Priority date: 2018-12-04
Filing date: 2018-12-04
Publication date: 2019-10-29
Anticipated expiration: 2028-12-04

Abstract

The utility model discloses a kind of flanges, it include: ring flange body, the ring flange body respectively is intermediate throughholes from center outward, step cutting pattern portion is equipped on the outside of the intermediate throughholes, step cutting pattern top is equipped with upper seal groove, lower seal groove cavity is equipped with below stage portion, threaded hole and coupled screw rod are equipped on the outside of stage portion, the screw rod top side is equipped with nut, screw rod and nut are fastenedly connected mating flange, the trapezoidal shape of the seal groove of the setting, a kind of flange of the utility model has good leakproofness, and it is easy to operate easy to install, with good practicability.

Description

Flange

Technical field

The utility model relates to flange technical fields, more particularly to a kind of flange.

Background technique

Flange is part interconnected between axis and axis, for the connection between pipe end；Also have and imported and exported used in equipment On flange, for the connection between two equipment, flanged joint is by flange, gasket, and three, nut are fitted to sealing structure Assembly, it is the inlet and outlet flange of equipment, flanged joint is due to behaviour that pipe flange, which is meant in plumbing installation with effective flange, Make simple, cheap, intensity height, good airproof performance is widely used in metallurgy, chemical industry, building, and the industries such as medicine, manufacture are existing Flange Te Dings Huan Base-on-environment sealing effect and installation form cannot sufficiently be met the requirements.

Utility model content

The purpose of this utility model is to provide a kind of flanges, have preferable leakproofness, are easily installed operation, to solve The problems mentioned above in the background art.

To achieve the above object, the utility model provides the following technical solutions: providing a kind of flange, including ring flange sheet Body, the ring flange body respectively are intermediate throughholes from center outward, are equipped with step cutting pattern portion on the outside of the intermediate throughholes, Step cutting pattern top is equipped with upper seal groove, is equipped with lower seal groove cavity below stage portion, and outside is equipped with threaded hole and coupled Screw rod, the screw rod top side are equipped with nut, and screw rod and nut are fastenedly connected mating flange, and the seal groove of the setting is in ladder Shape.

In one preferred embodiment of the utility model, the upper seal groove length 10mm to 12mm suitable for reading, lower mouth 8mm is extremely 10mm。

In one preferred embodiment of the utility model, width distinguishes 6mm to 8mm up and down for the upper seal groove and lower seal groove cavity With 4mm to 6mm.

In one preferred embodiment of the utility model, the height 1mm to 3mm of the stage portion.

In one preferred embodiment of the utility model, the ring flange body tightens up a screw hole and screw rod is no less than 24 to 36 It is a.

The utility model compared with prior art, has the advantages that

(1) the utility model is provided with trapezoidal seal groove, increases the sealing effect between flange and method, effectively reduces The phenomenon that run, drip, leak.

(2) the utility model is provided with screw rod, and accurate positioning during installation is easy to operate to save recruitment cost.

Detailed description of the invention

Fig. 1 is the perspective view of the utility model；

Fig. 2 is the cross-sectional view of the utility model；

Fig. 3 is the enlarged drawing of the utility model；

In figure: 1- ring flange body, 2- screw hole, 3- screw rod, 4- nut, 5- intermediate throughholes, the upper seal groove of 6-, 7- step Portion, 8- lower seal groove cavity.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-Fig. 3 is please referred to, to achieve the above object, the utility model provides the following technical solutions: a kind of flange is provided, Including ring flange body 1, the ring flange body 1 respectively is intermediate throughholes 5 from center outward, outside the intermediate throughholes 5 Side is equipped with step cutting pattern portion 7, and 7 top of step cutting pattern portion is equipped with upper seal groove 6, is equipped with lower seal groove cavity 8, outside below stage portion 7 Equipped with threaded hole 2 and coupled screw rod 3,3 top side of screw rod is equipped with nut 4, and screw rod 3 and the fastening of nut 4 connect Connect mating flange, the upper seal groove 6 and the trapezoidal shape of lower seal groove cavity 8 of the setting.

Preferably, 6 10mm suitable for reading to 12mm of upper seal groove, lower mouth 8mm to 10mm.

Preferably, 8 6mm suitable for reading to 8mm of lower seal groove cavity, lower mouth 4mm to 6mm.

Preferably, the height 1mm to 3mm of the stage portion 7.

Preferably, tighten up a screw hole 2 and screw rod 3 of the ring flange body is no less than 24 to 36.

The utility model beneficial effect is: having good leakproofness, and easy to operate easy to install.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims

1. flange, including ring flange body (1), it is characterised in that: the ring flange body (1) respectively is outward from center Intermediate throughholes (5), intermediate throughholes (5) outside are equipped with step cutting pattern portion (7), and step cutting pattern portion (7) top is equipped with upper sealing Slot (6), stage portion (7) lower section are equipped with lower seal groove cavity (8), and outside is equipped with screw hole (2) and coupled screw rod (3), institute Screw rod (3) top side is stated equipped with nut (4), screw rod (3) and nut (4) are fastenedly connected mating flange, the upper seal groove of setting (6) with lower seal groove cavity (8) trapezoidal shape.

2. flange according to claim 1, it is characterised in that: upper seal groove (6) 10mm suitable for reading to 12mm, lower mouth 8mm to 10mm.

3. flange according to claim 1, it is characterised in that: lower seal groove cavity (8) 6mm suitable for reading to 8mm, lower mouth 4mm To 6mm.

4. flange according to claim 1, it is characterised in that: the height 1mm to 3mm of the stage portion (7).

5. flange according to claim 1, it is characterised in that: the ring flange body tightens up a screw hole (2) and screw rod (3) no Less than 24 to 36.