CN217539608U

CN217539608U - Mechanical sealing device with heat transfer strengthening structure

Info

Publication number: CN217539608U
Application number: CN202221034035.3U
Authority: CN
Inventors: 俞红兵; 俞红祥
Original assignee: Hangzhou Hongtu Seal Technology Co ltd
Current assignee: Hangzhou Hongtu Seal Technology Co ltd
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2022-10-04
Anticipated expiration: 2032-04-29

Abstract

The utility model discloses a mechanical seal device with heat transfer enhancement structure, including sealing sleeve, sealing sleeve's internally mounted has the heat conduction seat, and heat conduction copper pipe spare is installed to the upper end of heat conduction seat, and heat conduction copper pipe spare's upper end is passed through heat conduction metal pole fixedly connected with heat conduction joint, and the outside surface mounting of heat conduction joint has the fastening clamp, the externally mounted of heat conduction seat has the radiation shield, the surface center department of heat conduction seat installs the mechanical axis, and the mechanical axis passes the slotted hole and extends to sealing sleeve's outside, be detachable structure between radiation shield and the heat conduction seat, sealing bottom is installed to the bottom of heat conduction seat, is detachable structure between heat conduction seat and the sealing bottom. The utility model discloses an at the built-in heat conduction seat of sealing sleeve, install the heat conduction copper pipe fitting that thermal conductivity is high on the heat conduction seat, wrapping up the back through the radiation shield casing, seal fixedly to whole sealing device upper and lower extreme, can effectively ensure that the inside heat of sealing device can not run off very fast.

Description

Mechanical sealing device with heat transfer strengthening structure

Technical Field

The utility model relates to a mechanical seal technical field specifically is a mechanical seal device with heat transfer enhancement structure.

Background

The mechanical seal is a device for preventing fluid leakage, which is formed by at least one pair of end faces perpendicular to the rotation axis, and the end faces are kept in fit and relatively slide under the action of fluid pressure and the elastic force (or magnetic force) of a compensation mechanism and the cooperation of an auxiliary seal. The mechanical seal is a shaft seal device of a rotating machine. Such as centrifugal pumps, centrifuges, reaction kettles, compressors, and the like. Since the drive shaft extends through the inside and outside of the apparatus, there is a circumferential gap between the shaft and the apparatus through which the medium in the apparatus leaks out, and if the pressure in the apparatus is lower than atmospheric pressure, air leaks into the apparatus, so that a shaft seal device must be provided to prevent leakage. The shaft seal has many kinds, and the mechanical seal has the advantages of small leakage amount, long service life and the like, so the mechanical seal is the most important shaft sealing mode in the devices in the world.

The internal thermal conductivity of the current mechanical sealing device is poor, and the sealing and heat insulation performance is not good, so that the internal heat is easily and quickly lost, and therefore a novel mechanical sealing device with a heat transfer strengthening structure needs to be developed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mechanical seal device with structure is reinforceed in heat transfer to solve the inside heat conductivity of present mechanical seal device that proposes in the above-mentioned background art relatively poor, sealed heat-proof quality is not good simultaneously, easily causes the problem of inside heat loss fast.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a mechanical seal device with heat transfer enhancement structure, includes sealing sleeve, sealing sleeve's internally mounted has the heat conduction seat, and heat conduction copper pipe fitting is installed to the upper end of heat conduction seat, and heat conduction copper pipe fitting's upper end is passed through heat-conduction metal pole fixedly connected with heat conduction joint, and heat conduction joint's outside surface mounting has the fastening clamp, the externally mounted of heat conduction seat has the radiation shield, and the surface of radiation shield is provided with the slotted hole, the surface center department of heat conduction seat installs the mechanical axis, and the mechanical axis passes the slotted hole and extends to sealing sleeve's outside, be detachable construction between radiation shield and the heat conduction seat, sealed bottom is installed to the bottom of heat conduction seat, is detachable construction between heat conduction seat and the sealed bottom.

Preferably, the number of the heat-conducting copper pipe fittings is six, and the six heat-conducting copper pipe fittings surround the outer side of the mechanical shaft.

Preferably, the outer surface of the heat conducting seat is tightly screwed with the heat insulating sleeve through threads.

Preferably, the lower end of the heat conducting seat is correspondingly connected with a clamping groove arranged on the surface of the sealing bottom cover through a clamping ring.

Preferably, a fastening washer is installed at the upper end of the sealing bottom cover, and the surface of the fastening washer is connected with the sealing bottom cover through a screw assembly.

Preferably, a sealing cover plate is arranged at the surface slot hole of the sealing sleeve.

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

(1) The heat conducting seat is arranged in the sealing sleeve, the heat conducting copper pipe fitting with high heat conductivity is arranged on the heat conducting seat, and the upper end and the lower end of the whole sealing device are sealed and fixed after being wrapped by the heat insulating sleeve, so that the heat in the sealing device can be effectively prevented from being quickly lost;

(2) Through with whole heat conduction seat embedded installation in sealed telescopic inside, utilize the screw to connect the mode soon to seal heat insulating sleeve and heat conduction seat and connect soon fixedly, possess and connect inseparable advantage good with the leakproofness, sealed bottom department carries out the joint through the snap ring of snap ring groove with the heat conduction seat lower extreme and fixes, and the connection is consolidated to relocking fastening washer and screw, and then can consolidate sealed protection to the bottom of heat conduction seat.

Drawings

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

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

fig. 3 is a schematic view of the internal installation structure of the present invention.

In the figure: 1. sealing the cover plate; 2. a mechanical shaft; 3. a sealing sleeve; 4. sealing the bottom cover; 5. a slot; 6. a heat insulating sleeve; 7. clamping a ring; 8. a clamping groove; 9. a thermally conductive joint; 10. fastening a hoop; 11. a thermally conductive metal rod; 12. a heat conductive copper pipe; 13. a heat conducting base; 14. a thread; 15. and fastening the washer.

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 mechanical seal device with heat transfer enhancement structure, including sealing sleeve 3, sealing sleeve 3's internally mounted has heat conduction seat 13, heat conduction copper pipe fitting 12 is installed to the upper end of heat conduction seat 13, heat conduction copper pipe fitting 12's upper end is through 11 fixedly connected with heat conduction joint 9 of heat conduction metal pole, heat conduction joint 9's outside surface mounting has fastening clamp 10, heat conduction seat 13's externally mounted has heat insulating sleeve 6, heat insulating sleeve 6's surface is provided with slotted hole 5, heat conduction seat 13's surperficial center department installs mechanical shaft 2, mechanical shaft 2 passes slotted hole 5 and extends to sealing sleeve 3's outside, be detachable structure between heat insulating sleeve 6 and the heat conduction seat 13, sealing bottom 4 is installed to heat conduction seat 13's bottom, be detachable structure between heat conduction seat 13 and the sealing bottom 4.

Further, six heat-conducting copper pipes 12 are provided, and the six heat-conducting copper pipes 12 surround the outside of the machine shaft 2.

Further, the outer surface of the heat conducting base 13 is tightly screwed with the heat insulating sleeve 6 through the screw thread 14.

Further, the lower end of the heat conducting base 13 is correspondingly connected with a clamping groove 8 arranged on the surface of the sealing bottom cover 4 through a clamping ring 7.

Further, a fastening washer 15 is installed at the upper end of the sealing bottom cap 4, and the surface of the fastening washer 15 is coupled with the sealing bottom cap 4 by a screw assembly.

Further, a sealing cover plate 1 is arranged at a surface slot of the sealing sleeve 3.

The working principle is as follows: during the use, the internally mounted of sealing sleeve 3 has heat conduction seat 13, heat conduction copper pipe fitting 12 is installed to the upper end of heat conduction seat 13, the upper end of heat conduction copper pipe fitting 12 is through heat-conduction metal pole 11 fixedly connected with heat conduction joint 9, the outside surface mounting of heat conduction joint 9 has fastening clamp 10, the externally mounted of heat conduction seat 13 has insulation cover 6, through at the built-in heat conduction seat 13 of sealing sleeve 3, install heat conduction copper pipe fitting 12 that the thermal conductivity is high on heat conduction seat 13, after wrapping up through insulation cover 6, seal and fix whole sealing device upper and lower extreme, can effectively ensure that the inside heat of sealing device can not run off very fast, through installing whole heat conduction seat 13 inside at sealing sleeve 3 in-embedding, utilize the screw thread to connect mode to carry out sealed screwed connection to insulation cover 6 and heat conduction seat 13 fixedly, possess the advantage that the connection is inseparable and the leakproofness is good, sealed bottom 4 department carries out the joint with the snap ring 7 of heat conduction seat 13 lower extreme through snap-fit fastening washer 15 and screw and consolidate and connect, and then can consolidate the bottom of heat conduction seat 13 and seal protection, make the whole mechanical sealing device installation shaping convenient and good leakproofness.

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 mechanical seal device with heat transfer enhancement structure, includes sealing sleeve (3), its characterized in that, the internally mounted of sealing sleeve (3) has heat conduction seat (13), and heat conduction copper pipe spare (12) are installed to the upper end of heat conduction seat (13), and the upper end of heat conduction copper pipe spare (12) is through heat-conduction metal pole (11) fixedly connected with heat conduction joint (9), and the outside surface mounting who connects (9) has fastening clamp (10), the externally mounted of heat conduction seat (13) has insulation cover (6), and the surface of insulation cover (6) is provided with slotted hole (5), the surperficial center department of heat conduction seat (13) installs mechanical axis (2), and mechanical axis (2) pass slotted hole (5) and extend to the outside of sealing sleeve (3), be detachable structure between insulation cover (6) and heat conduction seat (13), sealed bottom (4) are installed to the bottom of heat conduction seat (13), are detachable structure between heat conduction seat (13) and sealed bottom (4).

2. The mechanical seal device with the heat transfer enhancement structure according to claim 1, wherein: the six heat conduction copper pipe fittings (12) are arranged, and the six heat conduction copper pipe fittings (12) surround the outer side of the mechanical shaft (2).

3. The mechanical seal device with the heat transfer enhancement structure according to claim 1, wherein: the outer surface of the heat conducting seat (13) is tightly screwed with the heat insulating sleeve (6) through threads (14).

4. The mechanical seal device with the heat transfer enhancement structure according to claim 1, wherein: the lower end of the heat conducting seat (13) is correspondingly connected with a clamping groove (8) arranged on the surface of the sealing bottom cover (4) through a clamping ring (7).

5. The mechanical seal device with the heat transfer enhancement structure according to claim 1, wherein: and a fastening gasket (15) is arranged at the upper end of the sealing bottom cover (4), and the surface of the fastening gasket (15) is connected with the sealing bottom cover (4) through a screw assembly.

6. The mechanical sealing device with the heat transfer enhancement structure according to claim 1, wherein: and a sealing cover plate (1) is arranged at the surface slot of the sealing sleeve (3).