CN220540531U

CN220540531U - Flange convenient to install and remove

Info

Publication number: CN220540531U
Application number: CN202322232505.8U
Authority: CN
Inventors: 郭畅; 付静
Original assignee: Shanxi Ruiyuan Tongtong Machinery Manufacturing Co ltd
Current assignee: Shanxi Ruiyuan Tongtong Machinery Manufacturing Co ltd
Priority date: 2023-08-18
Filing date: 2023-08-18
Publication date: 2024-02-27
Anticipated expiration: 2033-08-18

Abstract

The utility model discloses a flange convenient to assemble and disassemble, and belongs to the field of flanges. A flange for facilitating assembly and disassembly, comprising: the main flange and sub-flange, main flange and sub-flange assorted still include: the sliding grooves are circumferentially equidistantly formed on the main flange; the thread grooves are circumferentially equidistantly formed on the sub-flange and are coaxially arranged with the sliding groove; the sliding sleeve is hermetically sliding in the sliding groove; the bolt is hermetically slid in the sliding sleeve and matched with the thread groove; the end part of the bolt is designed in a hidden way, so that water is effectively prevented from entering the bolt through the threads, and further the influence of corrosion and expansion of the bolt on later disassembly is effectively prevented.

Description

Flange convenient to install and remove

Technical Field

The utility model relates to the technical field of flanges, in particular to a flange convenient to install and detach.

Background

The flange is a connecting tool, and the flange connection is a detachable connection which is formed by mutually connecting a flange, a gasket and a bolt to form a group of combined sealing structures, wherein the flange is in threaded connection, welded with the flange and clamped with the flange, and the flange connection has the advantages of good connection tightness, stable structure, high strength, convenience in use, low cost and the like, and is widely applied to industries such as building industry, urban water supply, boiler pressure vessels, petroleum industry, gas supply, chemical industry, food industry, fire fighting, pharmaceutical industry, power station, water conservancy, heating and ventilation and the like.

The present flange locks through bolt and nut, when the during operation in outdoor environment, when meetting the rainwater weather, the rainwater is likely to enter into the spread groove of flange through the screw clearance of bolt, long-time and bolt contact, probably lead to the bolt to rust the inflation to probably lead to the difficult dismantlement of flange, influence its use.

Disclosure of Invention

The technical problem to be solved by the utility model is to overcome the defects of the prior art and provide a flange which can overcome the problems or at least partially solve the problems and is convenient to assemble and disassemble.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

a flange for facilitating assembly and disassembly, comprising: the main flange and sub-flange, main flange and sub-flange assorted still include: the sliding grooves are circumferentially equidistantly formed on the main flange; the thread grooves are circumferentially equidistantly formed on the sub-flange and are coaxially arranged with the sliding groove; the sliding sleeve is hermetically sliding in the sliding groove; the bolt is hermetically sliding in the sliding sleeve and matched with the thread groove.

In order to prevent water from entering between the bolt and the sliding sleeve, a first sealing gasket matched with the sliding sleeve is preferably sleeved on the bolt.

In order to facilitate improvement of the sealing habit of the sliding sleeve and the sliding groove, preferably, a sealing groove is formed in the sliding groove, and a sealing ring is arranged in the sealing groove.

In order to be convenient for fix a position main flange and sub-flange, preferably, all be circumference equidistance on main flange and the sub-flange and seted up the through-hole, fixedly connected with connection piece on the sliding sleeve, the one end fixedly connected with locating lever of connection piece, the sealed slip of locating lever is in the through-hole.

In order to facilitate improvement of the sealing effect, preferably, the connecting sheet is fixedly connected with a second sealing gasket matched with the sliding sleeve, and the connecting sheet is fixedly connected with a third sealing gasket matched with the positioning rod.

In order to prevent water from entering the through hole, preferably, one end of the positioning rod is in threaded connection with a waterproof cover, and a fourth sealing gasket is fixedly connected to the waterproof cover.

Compared with the prior art, the flange provided by the utility model is convenient to assemble and disassemble, and has the following beneficial effects:

1. this flange convenient to install and remove, through inserting a plurality of sliding sleeves in the spout, then to it with main flange and sub-flange, rotate the bolt, make bolt threaded connection to the screw groove to realize main flange and sub-flange's fixed, and carry out hidden design to the tip of bolt, thereby prevent effectively that water from entering into the bolt through the screw thread on, and then prevent effectively that the bolt from corroding the expansion from influencing the later stage and dismantling.

2. This flange convenient to install and remove is through inserting the locating lever in the through-hole, fixes a position sub-flange and main flange, and after the bolt was screwed up, protects the tip of locating lever through the waterproof cover, prevents that the locating lever from being corroded by water and rust.

3. This flange convenient to install and remove, through the setting of second sealed pad, third sealed pad and fourth sealed pad, protect main flange and sub-flange effectively, prevent its internal connection spare from getting damp and rusty.

The device has the advantages that the parts which are not involved in the device are the same as or can be realized by adopting the prior art, and the end part of the bolt is designed in a hidden way, so that water is effectively prevented from entering the bolt through threads, and further, the influence of corrosion and expansion of the bolt on later disassembly is effectively prevented.

Drawings

FIG. 1 is a schematic structural view of a flange according to the present utility model;

FIG. 2 is a schematic cross-sectional view of a flange according to the present utility model;

fig. 3 is an exploded view of a flange according to the present utility model.

In the figure: 1. a main flange; 101. a chute; 102. sealing grooves; 103. a seal ring; 2. a sub-flange; 201. a thread groove; 202. a through hole; 3. a sliding sleeve; 301. a bolt; 302. a first gasket; 303. a connecting sheet; 304. a second gasket; 305. a third gasket; 4. a positioning rod; 401. a waterproof cover; 402. and a fourth gasket.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Example 1: referring to fig. 1, 2 and 3, a flange for facilitating assembly and disassembly, comprising: main flange 1 and sub-flange 2, main flange 1 and sub-flange 2 assorted still include: the sliding grooves 101 are circumferentially equidistantly formed on the main flange 1; the thread grooves 201 are circumferentially equidistantly formed on the sub-flange 2, and the thread grooves 201 and the sliding grooves 101 are coaxially arranged; a sliding sleeve 3 which is sealed and slides in the sliding groove 101; the bolt 301 is hermetically slid in the sliding sleeve 3, and the bolt 301 is matched with the thread groove 201.

The bolt 301 is sleeved with a first sealing gasket 302 matched with the sliding sleeve 3.

A sealing groove 102 is formed in the sliding groove 101, and a sealing ring 103 is arranged in the sealing groove 102.

When the main flange 1 and the sub flange 2 are fixedly connected, a plurality of sliding sleeves 3 are inserted into the sliding grooves 101, then the main flange 1 and the sub flange 2 are oppositely rotated by the bolts 301, the bolts 301 are connected into the thread grooves 201 in a threaded mode, and therefore the fixing of the main flange 1 and the sub flange 2 is achieved, the end portions of the bolts 301 are designed in a hidden mode, water is effectively prevented from entering the bolts 301 through the threads, and further the later disassembly due to the influence of corrosion and expansion of the bolts 301 is effectively prevented.

By the arrangement of the seal ring 103 and the first seal gasket 302, water is effectively prevented from entering the screw groove 201 from the slide bush 3 and the bolt 301.

Example 2: referring to fig. 1, 2 and 3, a flange convenient to assemble and disassemble is basically the same as that of embodiment 1, further, through holes 202 are formed in the main flange 1 and the sub flange 2 at equal intervals in circumference, a connecting piece 303 is fixedly connected to the sliding sleeve 3, one end of the connecting piece 303 is fixedly connected with a positioning rod 4, and the positioning rod 4 slides in the through holes 202 in a sealing manner.

The connecting piece 303 is fixedly connected with a second sealing gasket 304 matched with the sliding sleeve 3, and the connecting piece 303 is fixedly connected with a third sealing gasket 305 matched with the positioning rod 4.

One end of the positioning rod 4 is connected with a waterproof cover 401 in a threaded manner, and a fourth sealing gasket 402 is fixedly connected to the waterproof cover 401.

After the sliding sleeve 3 is inserted, the positioning rod 4 is inserted into the through hole 202, the sub flange 2 and the main flange 1 are positioned, after the bolts 301 are screwed down, the end part of the positioning rod 4 is protected through the waterproof cover 401, and the positioning rod 4 is prevented from being corroded and rusted by water.

The arrangement of the second sealing gasket 304, the third sealing gasket 305 and the fourth sealing gasket 402 effectively protects the main flange 1 and the sub flange 2 from being wetted and rusted.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. A flange for facilitating assembly and disassembly, comprising: main flange (1) and sub-flange (2), main flange (1) and sub-flange (2) assorted, its characterized in that still includes:

the sliding grooves (101) are circumferentially equidistantly formed on the main flange (1);

the thread grooves (201) are circumferentially equidistantly formed on the sub-flange (2), and the thread grooves (201) and the sliding grooves (101) are coaxially arranged;

the sliding sleeve (3) is hermetically sliding in the sliding groove (101);

and the bolt (301) is hermetically slid in the sliding sleeve (3), and the bolt (301) is matched with the thread groove (201).

2. A flange for facilitating assembly and disassembly according to claim 1, wherein the bolt (301) is sleeved with a first sealing gasket (302) matched with the sliding sleeve (3).

3. The flange convenient to install and detach according to claim 1, wherein a sealing groove (102) is formed in the sliding groove (101), and a sealing ring (103) is arranged in the sealing groove (102).

4. The flange convenient to install and remove according to claim 1, wherein through holes (202) are formed in the main flange (1) and the sub-flanges (2) at equal intervals in circumference, connecting pieces (303) are fixedly connected to the sliding sleeve (3), one ends of the connecting pieces (303) are fixedly connected with positioning rods (4), and the positioning rods (4) slide in the through holes (202) in a sealing mode.

5. The flange convenient to install and detach according to claim 4, characterized in that the connecting piece (303) is fixedly connected with a second sealing gasket (304) matched with the sliding sleeve (3), and the connecting piece (303) is fixedly connected with a third sealing gasket (305) matched with the positioning rod (4).

6. The flange convenient to install and detach according to claim 4, wherein one end of the positioning rod (4) is connected with a waterproof cover (401) through threads, and a fourth sealing gasket (402) is fixedly connected to the waterproof cover (401).