CN212657252U

CN212657252U - Integrated mechanical seal connecting assembly

Info

Publication number: CN212657252U
Application number: CN202020601420.6U
Authority: CN
Inventors: 钟春利
Original assignee: Jiaxing Bogman Seal Co ltd Jiashan Jingang Branch
Current assignee: Zhejiang Fuge Intelligent Technology Co ltd
Priority date: 2020-04-21
Filing date: 2020-04-21
Publication date: 2021-03-05
Anticipated expiration: 2030-04-21

Abstract

The utility model discloses a container type mechanical seal connecting assembly, which comprises a shaft sleeve, wherein the shaft sleeve is externally provided with a medium movable ring and a medium static ring which are close to a medium end, a water sealing static ring and a water sealing movable ring which are far away from the medium end, a spring frame, a flange and a water sealing static ring seat are arranged between the medium static ring and the water sealing static ring, springs are respectively embedded between the spring frame and the flange and between the flange and the water sealing static ring seat, the shaft sleeve is also sleeved with a locking ring which limits the water sealing movable ring to move outwards in the axial direction, and the wall surface of the locking ring is in threaded connection with a locking screw of the shaft sleeve with the end part abutted against the; the outer wall of axle sleeve has seted up the annular positioning groove that the notch pasted on the internal face of medium rotating ring, and annular positioning groove is embedded to have the rand, and the rand is for having the metal loop structure of an open end, and at least one screw hole has been seted up to the tank bottom of annular positioning groove, and screw hole female connection has stop screw, and stop screw buries underground in the screw hole. The mechanical sealing connecting assembly has the characteristics of tight connection and reliable use.

Description

Integrated mechanical seal connecting assembly

Technical Field

The utility model relates to a mechanical seal structure, more specifically say, it relates to a collection dress formula mechanical seal coupling assembling.

Background

The mechanical seal is used for connecting the reaction kettle with a shaft extending into the kettle body for stirring, so that a container opening of the reaction kettle is sealed with the shaft, and a good anti-seepage effect is achieved. However, since the media contained in the reaction kettle are various in types and also comprise sodium sulfate slurry, the solution contains sulfuric acid and more chlorine ions, so that the conventional metal material is easy to corrode and has poor use effect, and after the parts of the metal material are replaced by the parts of the ceramic material, the problems can be avoided, but another problem is caused, namely how to realize the connection between the metal shaft sleeve and the sealing element of the ceramic material, the sealing element is directly locked on the sealing element of the ceramic material by using a fastening piece and is fragile, and the overall effect is poor. Therefore, the utility model provides a collection dress formula mechanical seal coupling assembling.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome not enough among the above-mentioned prior art, provide a collection dress formula mechanical seal coupling assembling, this mechanical seal coupling assembling has and connects closely, uses reliable characteristics.

In order to solve the technical problem, the purpose of the utility model is to realize like this: the utility model relates to a collection dress formula mechanical seal coupling assembling, including establishing at epaxial axle sleeve, the axle sleeve is equipped with the medium rotating ring and the medium quiet ring that are close to the medium end outward, keeps away from the quiet ring of water seal and seals the water rotating ring of medium end, be equipped with between the quiet ring of medium and water seal and establish spring frame, flange and the quiet ring seat of water seal outside the axle sleeve, spring frame and flange, flange and water seal are embedded respectively between the quiet ring seat and are equipped with the spring, and the spring makes the quiet ring of spring frame butt medium, make the quiet ring seat butt of water seal water ring, still overlap on the axle sleeve and have the restriction to seal the water rotating ring and do the locking ring that moves outward axially, threaded connection has the tip butt on the wall of locking ring the locking screw of axle sleeve; the outer wall of axle sleeve has seted up the annular positioning groove that the notch pasted on the internal face of medium rotating ring, and annular positioning groove is embedded to have the rand, and the rand is for having the metal loop structure of an open end, at least one screw hole that link up the axle sleeve wall is seted up to the tank bottom of annular positioning groove, and screw hole female connection has the tip butt the stop screw of rand, stop screw buries underground in the screw hole.

The utility model discloses further set up to: the cooling device comprises a shaft sleeve, a medium moving ring, a medium static ring, a spring frame, a flange, a water sealing static ring seat, a water sealing static ring and a water sealing moving ring, wherein a cooling cavity is formed among the shaft sleeve, the medium moving ring, the medium static ring, the spring frame, the flange, the water sealing static ring seat, the water sealing static ring and the water sealing moving ring, the medium static ring seat which seals the cooling cavity and is communicated with a medium is sleeved on the medium static ring, one end of the flange is provided with a cooling water inlet communicated with the.

The utility model discloses further set up to: and a flow guide sleeve arranged in the cooling cavity is sleeved outside the shaft sleeve.

The utility model discloses further set up to: the number of the threaded holes is not less than three, and the threaded holes are distributed in an annular array at equal intervals around the central axis of the shaft sleeve.

The utility model discloses further set up to: and a teflon ring sleeved on the shaft is arranged on the end surface of the shaft sleeve facing to the medium side.

The utility model discloses further set up to: and a positioning hook is fixedly connected to the locking ring and hooks the flange.

To sum up, the utility model discloses following beneficial effect has: the utility model relates to a collection dress formula mechanical seal coupling assembling through burying the rand that has the open end underground outside the axle sleeve for the two pre-assembly is screwed threaded hole by stop screw in ceramic material or non-metallic material's the medium movable ring back, makes the top push collar action from inside to outside, makes its external diameter increase and forms fixedly with axle sleeve and medium movable ring, and non-metallic material's medium movable ring is difficult damaged, and sealed effect is good, and whole function is perfect, and the practicality is strong.

Drawings

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

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

fig. 3 is a schematic structural diagram of the collar of the present invention.

Detailed Description

In order to make the technical solutions of the present invention better understood by those skilled in the art, the following description of the preferred embodiments of the present invention is provided in conjunction with the specific examples, but it should be understood that these descriptions are only for the purpose of further illustrating the features and advantages of the present invention, and are not intended to limit the patent requirements of the present invention. 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.

The invention will be further described with reference to the accompanying drawings and preferred embodiments.

Referring to fig. 1 to 3, the container type mechanical seal connection assembly according to the present embodiment includes a shaft sleeve 1 disposed on a shaft, a medium dynamic ring 2 and a medium static ring 3 disposed outside the shaft sleeve 1 and close to a medium end, and a water sealing static ring 4 and a water sealing dynamic ring 5 disposed far away from the medium end, a spring holder 6, a flange 7 and a water sealing static ring seat 8 disposed outside the shaft sleeve 1 are disposed between the medium static ring 3 and the water sealing static ring 4, springs 9 are respectively embedded between the spring holder 6 and the flange 7 and between the flange 7 and the water sealing static ring seat 8, the springs 9 enable the spring holder 6 to abut against the medium static ring 3 and the water sealing static ring seat 8 to abut against the water sealing static ring 4, the shaft sleeve 1 is further sleeved with a locking ring 10 for limiting the water sealing dynamic ring 5 to move axially outward, and a locking screw 11 having an end abutting against the shaft sleeve 1 is threadedly connected to a wall surface of the locking ring 10; the outer wall of axle sleeve 1 has seted up annular positioning groove 12 that the notch pasted on the internal wall of medium rotating ring 2, and annular positioning groove 12 is embedded to have rand 13, and rand 13 is for having the metal loop structure of an open end 14, at least one screw hole 15 that link up axle sleeve 1 wall is seted up to the tank bottom of annular positioning groove 12, and screw hole 15 female connection has the tip butt stop screw 16 of rand 13, stop screw 16 bury underground in screw hole 15.

In this embodiment, the shaft sleeve 1 is sleeved on the shaft by a metal material, and since a part of the medium in the reaction kettle is corrosive, the materials of the medium moving ring 2 and the medium static ring 3 which are in contact with the medium need to be replaced, and a non-metal material which is not corroded by the medium is used, and the non-metal material contains a ceramic material, and the material is inconvenient to connect and fix with the shaft sleeve 1, and a screw cannot be screwed on the medium moving ring 2 of the ceramic material, so that the non-metal material is easy to break. In the technical scheme, a collar 13 with an open end 14 is embedded into an annular positioning groove 12 in advance, the collar 13 is completely embedded in the annular positioning groove and does not protrude out of a notch of the annular positioning groove 12, so that the shaft sleeve 1 and the collar 13 are embedded into a medium moving ring 2, and then the shaft sleeve and the collar 13 are connected into a threaded hole 15 through a limiting screw 16 in a threaded manner until the limiting screw 16 continuously abuts against the collar 13, the part of the collar 13 is ejected out of the notch of the annular positioning groove 12, the outer diameter of the collar 13 is increased, and the shaft sleeve 1 and the medium moving ring 2 are fixed to complete the connection of the end; and the other end is fixed by a locking ring 10 in cooperation with a locking screw 11.

Further, a cooling cavity 17 is formed among the shaft sleeve 1, the medium moving ring 2, the medium static ring 3, the spring frame 6, the flange 7, the water sealing static ring seat 8, the water sealing static ring 4 and the water sealing moving ring 5, a medium static ring seat 18 for sealing the cooling cavity 17 and conducting the medium is sleeved on the medium static ring 3, one end of the flange 7 is provided with a cooling water inlet 19 communicated with the cooling cavity 17, and the other end of the flange 7 is provided with a cooling water outlet 20 communicated with the cooling cavity 17. Because the shaft rotates relative to the shaft sleeve 1, large heat can be generated, the cooling water inlet 19 is connected with a cooling water input source, the cooling water outlet 20 is connected with a cooling water output source, the cooling water is circulated in the cooling cavity 17, the generated heat is continuously taken away, and a good heat dissipation effect is achieved.

Furthermore, a flow guide sleeve 21 arranged in the cooling cavity 17 is sleeved outside the shaft sleeve 1, and the flow guide sleeve 21 is used for guiding cooling water to flow back in the cooling cavity 17 sufficiently to achieve a better cooling effect.

Furthermore, the number of the threaded holes 15 is not less than three, and the threaded holes 15 are distributed around the central axis of the shaft sleeve 1 in an annular array at equal intervals, so that all parts of the clamping ring 13 are subjected to outward expansion force, the effect of expanding outwards and clamping the clamping on the inner wall of the medium moving ring 2 is achieved, and the connection is firm and stable.

Furthermore, the end face, facing the medium side, of the shaft sleeve 1 is provided with a teflon ring 22 sleeved on the shaft, and the medium prone to corrosion of the shaft sleeve 1 is blocked from contacting the shaft sleeve 1 by the addition of the teflon ring 22, so that the solution blocking effect is achieved, and the shaft sleeve 1 can be protected.

Furthermore, the locking ring 10 is fixedly connected with a positioning hook 23, the positioning hook 23 hooks the flange 7, the flange 7 is hooked and locked by the positioning hook 23 additionally arranged, the flange 7 is locked for the second time and is not easy to shift, the assembly precision is improved, and the flange 7 is not loosened and does not shift when the reaction kettle and the stirring assembly are operated, and the use is reliable.

The utility model relates to a collection dress formula mechanical seal coupling assembling through burying the rand that has the open end underground outside the axle sleeve for the two pre-assembly is screwed threaded hole by stop screw in ceramic material or non-metallic material's the medium movable ring back, makes the top push collar action from inside to outside, makes its external diameter increase and forms fixedly with axle sleeve and medium movable ring, and non-metallic material's medium movable ring is difficult damaged, and sealed effect is good, and whole function is perfect, and the practicality is strong.

Unless otherwise specified, in the present invention, if the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate an orientation or positional relationship based on the actual orientation or positional relationship shown, it is only for convenience of describing the present invention and simplifying the description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing orientation or positional relationship in the present invention are used for illustrative purposes only, and should not be construed as limiting the present patent, it is possible for those skilled in the art to combine the embodiments and understand the specific meanings of the above terms according to specific situations.

Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are used broadly and encompass both fixed and removable connections, or integral connections; the connection may be direct or indirect via an intermediate medium, and may be a communication between the two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims

1. Collection dress formula mechanical seal coupling assembling, including establishing at epaxial axle sleeve, the axle sleeve is equipped with the static ring of water seal and the water seal rotating ring that is close to the medium rotating ring and the medium of medium end, keeps away from the medium end outside the axle sleeve, be equipped with between the static ring of medium and water seal and establish spring frame, flange and the static ring seat of water seal outside the axle sleeve, spring frame and flange, flange and water seal have inlayed the spring respectively between the static ring seat of water seal, and the spring makes the static ring of spring frame butt medium, make the static ring of water seal butt, its characterized in that: the shaft sleeve is also sleeved with a locking ring for limiting the water sealing movable ring to move outwards in the axial direction, and the wall surface of the locking ring is in threaded connection with a locking screw of which the end part is abutted against the shaft sleeve; the outer wall of axle sleeve has seted up the annular positioning groove that the notch pasted on the internal face of medium rotating ring, and annular positioning groove is embedded to have the rand, and the rand is for having the metal loop structure of an open end, at least one screw hole that link up the axle sleeve wall is seted up to the tank bottom of annular positioning groove, and screw hole female connection has the tip butt the stop screw of rand, stop screw buries underground in the screw hole.

2. The integrated mechanical seal connection assembly of claim 1, wherein: the cooling device comprises a shaft sleeve, a medium moving ring, a medium static ring, a spring frame, a flange, a water sealing static ring seat, a water sealing static ring and a water sealing moving ring, wherein a cooling cavity is formed among the shaft sleeve, the medium moving ring, the medium static ring, the spring frame, the flange, the water sealing static ring seat, the water sealing static ring and the water sealing moving ring, the medium static ring seat which seals the cooling cavity and is communicated with a medium is sleeved on the medium static ring, one end of the flange is provided with a cooling water inlet communicated with the.

3. The integrated mechanical seal connection assembly of claim 2, wherein: and a flow guide sleeve arranged in the cooling cavity is sleeved outside the shaft sleeve.

4. A cartridge type mechanical seal connection assembly according to any one of claims 1 to 3, wherein: the number of the threaded holes is not less than three, and the threaded holes are distributed in an annular array at equal intervals around the central axis of the shaft sleeve.

5. The integrated mechanical seal connection assembly of claim 1, wherein: and a teflon ring sleeved on the shaft is arranged on the end surface of the shaft sleeve facing to the medium side.

6. The integrated mechanical seal connection assembly of claim 1, wherein: and a positioning hook is fixedly connected to the locking ring and hooks the flange.