CN201502707U

CN201502707U - Open-close type sealing device

Info

Publication number: CN201502707U
Application number: CN2009203110510U
Authority: CN
Inventors: 符建强
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-09-22
Filing date: 2009-09-22
Publication date: 2010-06-09
Anticipated expiration: 2019-09-22

Abstract

The utility model relates to a sealing device, in particular to an open-close type sealing device, which comprises a sealing ring holder, a sealing cover, a static ring, a movable ring, a spring and a positioning clamp, wherein the sealing ring holder is connected with the sealing cover, the positioning clamp fixed inside the sealing cover via screws can rotate along with a rotary shaft, the positioning clamp is connected with the spring, the static ring is arranged on the inner side of the sealing ring holder, the static ring is in conical surface matching with the sealing ring holder, the static ring includes a full-open static ring or a half-open static ring, the movable ring is arranged by means of being tightly adhered to the static ring and capable of rotating along with the rotary shaft, and the static ring is stressed to be closed with a conical surface of the sealing ring holder to form axial sealing. The sealing device adopts axial end seal, is unaffected by radial movement and axial movement of the rotary shaft, has low oil leakage ratio, saves time and labor because an oil seal can be replaced at all times and places when damaged, reduces cost, protects environments, and is adaptable to machinery sealing of high dust operation of ships, mining machines and the like.

Description

The open-close type seal arrangement

Technical field

The utility model relates to water-tight equipment, refers in particular to a kind of open-close type seal arrangement.

Background technique

Seal arrangement commonly used generally is divided into axially and radially two kinds, but all there is a shortcoming in these two kinds of seal arrangements, damages in case that is exactly an oil sealing, changes pretty troublesome.Because the oil sealing great majority are mounted in the inboard of running shaft, and outside installation all is the parts of some drive fits assemblings, change oil sealing and must remove these parts earlier again, this work is wasted time and energy, the need that have employ big machinery, and just not stinting of can't pulling down really destroys whole parts and could change oil sealing.

Summary of the invention

The purpose of this utility model is improved at shortcoming that exists in the background technique and problem, and a kind of open-close type seal arrangement that the closed oil sealing of annular is made into open oil sealing is provided.

The technical solution of the utility model is a kind of seal arrangement that comprises seal ring holder, seal closure, stationary ring, rotating ring, spring and locating clip of structure, wherein:

The seal ring holder connects seal closure, and locating clip is by rotating in the rotating shaft of screw in seal closure and with rotating shaft, and locating clip connects spring;

Seal ring holder inboard is provided with stationary ring, and stationary ring and seal ring holder are that the conical surface coincide, and wherein stationary ring is divided into fully opened type stationary ring or half-open type stationary ring;

Rotating ring is close to the stationary ring setting and is rotated with rotating shaft, and rotating ring connects spring, and wherein: O type circle that is provided with in the rotating ring and rotating shaft form radial seal; Rotating ring is subjected to elastic force extruding and stationary ring to form end face seal, and stationary ring is stressed to form axial seal with seal ring holder conical surface closure.

Advantage of the present utility model and beneficial effect:

The utility model is that stationary ring changes full open model or semi open model into the closed type oil sealing, the end thrust of spring converts the closure that radially contractile force impels the oil sealing opening simultaneously under the effect of the conical surface, promptly utilize the closed again oil sealing of effect of the conical surface and elastic force, in case of necessity can be better with the glue bond effect at the closure place of oil sealing.The utility model has the wear automatic-compensation function; employing axial end envelope; be not subjected to the influence of rotating shaft footpath, axial float, oil spill rate is low, damages in case its maximum strong point is an oil sealing; can change whenever and wherever possible; and only need pull down the seal ring holder and just open stationary ring can be taken out replacing, time saving and energy saving, reduce cost; the protection environment is applicable to the mechanical seal of ships, the contour dust work of ore deposit machine.

Description of drawings

Fig. 1 partly cuts open structural representation for the utility model

Fig. 2 is the utility model fully opened type stationary ring structural representation

Fig. 3 is the half-open type stationary ring of a utility model structural representation

Fig. 4 is the utility model rotating ring structural representation

Fig. 5 is the utility model locating clip structural representation

Embodiment

By Fig. 1 to 5 as can be known, the utility model comprises seal ring holder 1, seal closure 6, stationary ring 2, rotating ring 3, spring 4 and locating clip 5, wherein:

Seal ring holder 1 connects seal closure 6, and locating clip 5 is fixed in the rotating shaft 8 in the seal closure 6 and with rotating shaft 8 by screw 11 and rotates, and locating clip 5 connects springs 4;

Seal ring holder 1 inboard is provided with stationary ring 2, and stationary ring 2 coincide for the conical surface with seal ring holder 1, and wherein stationary ring 2 is divided into fully opened type stationary ring or half-open type stationary ring;

Rotating ring 3 is close to stationary ring 2 and is provided with and rotates with rotating shaft 8, and rotating ring 3 connects spring 4, and wherein: the O type circle 9 that is provided with in the rotating ring 3 forms radial seal with rotating shaft 8; Rotating ring 3 is pushed with stationary ring 2 by elastic force and forms end face seals, the stationary ring 2 stressed and closed formation of seal ring holder 1 conical surface axial seals.

Stationary ring 2 described in the utility model is the tapered annular body, and wherein: the fully opened type stationary ring is that the half of stationary ring of two of hard ground 2 is assembled by locating stud 10, and half-open type stationary ring is that the whole stationary ring 2 on soft ground is opened flatly and fixedly formed by locating stud 10.Described sealing filler ring 1 is provided with on-slip nail hole 7, the helical on-slip nail by on-slip nail hole 7 fixedly stationary ring 2 prevent that stationary ring 2 from sliding.Described fully opened type stationary ring 2 is made for nylon or polytetrafluoroethylmaterial material, and half-open type stationary ring 2 is made for nitrile rubber.

Embodiment described in the utility model only is the description that preferred implementation of the present utility model is carried out; be not that the utility model design and scope are limited; do not breaking away under the preceding topic of the utility model design philosophy; engineers and technicians make the technical solution of the utility model in related domain various modification and improvement; all should fall into protection domain of the present utility model; the technology contents that the utility model is asked for protection all is documented in claims.

Claims

1. an open-close type seal arrangement is characterized in that comprising seal ring holder (1), seal closure (6), stationary ring (2), rotating ring (3), spring (4) and locating clip (5), wherein:

Seal ring holder (1) connects seal closure (6), and locating clip (5) is gone up and rotated with rotating shaft (8) by the rotating shaft (8) that screw (11) is fixed in the seal closure (6), and locating clip (5) connects spring (4);

Seal ring holder (1) inboard is provided with stationary ring (2), and stationary ring (2) coincide for the conical surface with seal ring holder (1), and wherein stationary ring (2) is divided into fully opened type stationary ring or half-open type stationary ring;

Rotating ring (3) is close to stationary ring (2) and is provided with and rotates with rotating shaft (8), and rotating ring (3) connects spring (4), and wherein: the O type circle (9) that is provided with in the rotating ring (3) forms radial seal with rotating shaft (8); Rotating ring (3) is subjected to elastic force extruding and stationary ring (2) to form end face seal, and stationary ring (2) is stressed to form axial seal with seal ring holder (1) conical surface closure.

2. open-close type seal arrangement according to claim 1, it is characterized in that described stationary ring (2) is the tapered annular body, wherein: the fully opened type stationary ring is that two half of stationary rings (2) on hard ground are assembled by locating stud (10), and half-open type stationary ring is that the whole stationary ring (2) on soft ground is opened flatly and fixedly formed by locating stud (10).

3. open-close type seal arrangement according to claim 1 is characterized in that described sealing filler ring (1) is provided with on-slip nail hole (7), the helical on-slip nail by on-slip nail hole (7) fixedly stationary ring (2) prevent that stationary ring (2) from sliding.

4. open-close type seal arrangement according to claim 1 is characterized in that described fully opened type stationary ring (2) makes for nylon or polytetrafluoroethylmaterial material, and half-open type stationary ring (2) is made for nitrile rubber.