CN218818158U

CN218818158U - Withstand voltage stable combined type rubber seal ring

Info

Publication number: CN218818158U
Application number: CN202223439828.6U
Authority: CN
Inventors: 邓桢翔
Original assignee: Xiamen Tianhe Precision Sealing Technology Co ltd
Current assignee: Xiamen Tianhe Precision Sealing Technology Co ltd
Priority date: 2022-12-21
Filing date: 2022-12-21
Publication date: 2023-04-07
Anticipated expiration: 2032-12-21

Abstract

The utility model discloses a withstand voltage stable combined type rubber seal ring, it includes the upper seal portion, lower seal portion, the upper seal portion is including going up the loop configuration, the go-between, the collar, the holding ring, the inside spread groove that is equipped with of lower seal portion, the mounting groove, the constant head tank, the mounting ring is cylindric, the lower bottom surface at the go-between is fixed to its upper bottom surface, it installs in the mounting groove, the go-between is cylindric, its lower bottom surface of fixing at last loop configuration is fixed to its upper bottom surface, it installs in the spread groove, the holding ring is cylindric, the lower extreme at the medial surface of holding ring is fixed to its outside, it installs in the constant head tank. The beneficial effects of the utility model are that: the sealing ring has the advantages of reasonable structure, long service life and excellent sealing performance, and can be independently replaced when any one of the upper sealing part and the lower sealing part is damaged by dividing a single sealing ring into two parts, thereby reducing the maintenance cost.

Description

Withstand voltage stable combined type rubber seal ring

Technical Field

The utility model relates to a withstand voltage stable combined type rubber seal ring belongs to sealing device technical field.

Background

The sealing ring is an annular sealing element with a notch, the sealing ring is placed in an annular groove of the sleeve, the sleeve and the shaft rotate together, the sealing ring is tightly propped against the inner hole wall of the static element by the elasticity of the pressed notch, and the sealing ring can play a role in sealing, and the sealing ring is of various types, and the rubber sealing ring is one of the sealing rings. However, most of the rubber sealing rings used at present are in a single body, for example, a rubber sealing ring (application number: CN 202120829643.2) includes an inner ring, an outer ring is connected to an outer side of the inner ring, a waterproof layer is disposed on an outer surface of the outer ring, an anti-corrosion layer is disposed on an outer surface of the waterproof layer, and an abrasion-resistant layer is disposed on an outer surface of the anti-corrosion layer. The utility model discloses an outer loop that sets up can obstruct corrosivity composition to the corruption of rubber seal ring in the outside pollutant effectively, and then has improved rubber seal ring's life. For another example, a rubber sealing ring (application number: CN 201220309101.3) comprises a ring body made of rubber, and is characterized in that a plurality of positioning holes are arranged on the ring body. The utility model discloses a sealing ring, the integrative locating hole that forms on the ring body utilizes the locating hole and the cooperation of bolt can effectively improve the location effect of sealing ring, especially the dislocation of rubber ring in the fastening process when can effectively avoiding the installation, and the condition that the rubber ring erupted when also effectively avoiding inside high pressure simultaneously takes place. Meanwhile, the sealing ring protrudes outwards to form an annular convex edge, and the sealing effect of the connecting end faces of the two connecting pieces is further improved by utilizing the convex-concave embedded matching. The rubber sealing ring put into use in the above single form has the disadvantage that when a certain position on the rubber sealing ring is damaged, the rubber sealing ring needs to be integrally replaced and is easy to cause waste, so that the technical personnel in the field provide a composite rubber sealing ring with stable pressure resistance, and the problem that the integral sealing ring proposed in the background art needs to be integrally replaced and is easy to cause waste is solved.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in providing a withstand voltage stable combined type rubber sealing ring, its is rational in infrastructure, long service life, and sealing performance is excellent, falls into two parts with single sealing ring, can change it alone when last sealing and lower seal in arbitrary sealing ring damage, has reduced the maintenance cost.

The utility model discloses a following scheme realizes: the utility model provides a withstand voltage stable combined type rubber seal ring, its includes upper seal portion, lower seal portion, upper seal portion includes annular structure, go-between, collar, holding ring, the inside spread groove, mounting groove, constant head tank that are equipped with of lower seal portion, the collar is cylindric, and the lower bottom surface at the go-between is fixed to its upper and lower bottom surface, and it installs in the mounting groove, the go-between is cylindric, and its lower bottom surface of last annular structure is fixed to its upper and lower bottom surface, and it installs in the spread groove, the holding ring is cylindric, and its lateral surface is fixed at the lower extreme of the medial surface of collar, and it installs in the constant head tank.

The upper annular structure is cylindrical, an upper central hole is formed in the middle of the upper annular structure, an upper heat insulation layer and an upper wear-resistant layer are arranged on the inner side face of the upper annular structure, the upper heat insulation layer is located in the upper wear-resistant layer to be measured, and the upper central hole is cylindrical.

The lower sealing part is cylindrical, a lower central hole is formed in the middle of the lower sealing part, a lower heat insulation layer and a lower wear-resistant layer are arranged on the inner side face of the lower sealing part, the lower heat insulation layer is located in the lower wear-resistant layer, the lower central hole is cylindrical and located right below the upper central hole, and the cross section size of the lower sealing part is the same as that of the upper central hole.

The connecting groove is a circular inner groove, and the lower bottom surface of the connecting groove is communicated with the mounting groove.

The locating groove is a circular inner groove, and the outer side surface of the locating groove is communicated with the inner side surface of the mounting groove.

The mounting groove is a circular inner groove.

The beneficial effects of the utility model are that:

1. the utility model relates to a withstand voltage stable combined type rubber seal ring, its is rational in infrastructure, and sealing performance is excellent, goes up insulating layer, last wearing layer, insulating layer, wearing layer design down, can effectively reduce the friction force that the rotatory in-process of axis of rotation produced and heat to the influence of sealing ring, improves sealing ring life.

2. The utility model relates to a withstand voltage stable combined type rubber seal ring, it falls into two parts with single sealing ring, can change it alone when arbitrary sealing ring damages in last sealing and lower sealing, has reduced the maintenance cost.

Drawings

Fig. 1 is a schematic view of the front view cross-sectional structure of the composite rubber sealing ring with stable pressure resistance of the present invention.

Fig. 2 is a schematic view of the sectional structure of the upper sealing portion of the composite rubber sealing ring with stable pressure resistance according to the present invention.

Fig. 3 is a schematic view of the top-view cross-sectional structure of the lower sealing portion of the composite rubber sealing ring with stable pressure resistance of the present invention.

In the figure: 1 is last sealing, 2 is sealing down, and 3 is the loop construction, and 4 are the go-between, and 5 are the collar, and 6 is the holding ring, and 7 is last insulating layer, and 8 is last wearing layer, and 9 is last centre bore, and 10 is the spread groove, and 11 is the mounting groove, and 12 is the constant head tank, and 13 is insulating layer down, and 15 is wearing layer down, and 16 is centre bore down.

Detailed Description

The present invention is further described with reference to fig. 1, fig. 2 and fig. 3, but the scope of the present invention is not limited to the description.

In which like parts are designated by like reference numerals. It is noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component, and the drawings are in greatly simplified form and employ non-precise ratios, merely for the purpose of facilitating and distinctly aiding in the description of the embodiments of the present invention.

The utility model provides a withstand voltage stable combined type rubber seal ring, its includes upper seal portion 1, lower seal portion 2, upper seal portion 1 includes cyclic structure 3, go-between 4, collar 5,

holding ring

6, 2 inside spread groove 10, mounting groove 11, constant head tank 12 of being equipped with of lower seal portion, collar 5 is cylindric, and its lower bottom surface of fixing at collar 4 is gone up to its bottom surface, and it installs in mounting groove 11, collar 4 is cylindric, and its lower bottom surface of fixing at upper cyclic structure 3 is fixed to its upper bottom surface, and it installs in spread groove 10, holding ring 6 is cylindric, and its lateral surface is fixed at the lower extreme of the medial surface of collar 5, and it installs in constant head tank 12.

The upper annular structure 3 is cylindrical, an upper central hole 9 is formed in the middle of the upper annular structure, an upper heat insulation layer 7 and an upper wear-resistant layer 8 are arranged on the inner side face of the upper annular structure, the upper heat insulation layer 7 is located on the inner side of the upper wear-resistant layer 8, and the upper central hole 9 is cylindrical.

The lower sealing part 2 is cylindrical, a lower central hole 16 is formed in the middle of the lower sealing part, a lower heat insulation layer 13 and a lower wear-resistant layer 15 are arranged on the inner side face of the lower sealing part, the lower heat insulation layer 13 is located on the inner side of the lower wear-resistant layer 15, the lower central hole 16 is cylindrical and is located right below the upper central hole 9, and the cross section size of the lower sealing part is the same as that of the upper central hole 9.

The connecting groove 10 is a circular inner groove, and the lower bottom surface of the connecting groove is communicated with the mounting groove 11.

The positioning groove 12 is a circular inner groove, and the outer side surface of the positioning groove is communicated with the inner side surface of the mounting groove 11.

The mounting groove 11 is a circular inner groove.

Example 1: need to utility model during the equipment, only need to impress mounting ring 5 in mounting groove 11, then rotate upper seal portion 1 for 6 card of holding ring are gone into in constant head tank 12, can accomplish the equipment, if upper seal portion 1, lower seal portion 2 have when single part damages, change alone can.

Example 2: the use is, because lower seal portion 2 receives the extrusion for mounting groove 11 wall tightly pastes on collar 5, plays good sealed effect, goes up wearing layer 8 simultaneously, wearing layer 15 has better antifriction effect down, can effectively slow down the axis of rotation process production in last centre bore 9, lower centre bore (16) friction to utility model's influence, goes up insulating layer 7, lower insulating layer 13 can effectively completely cut off the heat that rotates the in-process and produce to utility model's influence, and then improves utility model's life.

Claims

1. The utility model provides a withstand voltage stable combined type rubber seal ring which characterized in that: it includes upper seal portion (1), lower seal portion (2), upper seal portion (1) is including cyclic annular structure (3), go up (4), collar (5), holding ring (6), lower seal portion (2) is inside to be equipped with spread groove (10), mounting groove (11), constant head tank (12), collar (5) are cylindric, and its lower bottom surface of fixing at go up (4) is gone up to its bottom surface, and it installs in mounting groove (11), go up (4) are cylindric, and its lower bottom surface of fixing at last cyclic annular structure (3) is gone up to its bottom surface, and it installs in spread groove (10), holding ring (6) are cylindric, and its lateral surface is fixed at the lower extreme of the medial surface of collar (5), and it installs in constant head tank (12).

2. The composite rubber seal ring of claim 1, wherein: the upper annular structure (3) is cylindrical, an upper central hole (9) is formed in the middle of the upper annular structure, an upper heat insulation layer (7) and an upper wear-resistant layer (8) are arranged on the inner side face of the upper annular structure, the upper heat insulation layer (7) is located in the upper wear-resistant layer (8) and is measured inwards, and the upper central hole (9) is cylindrical.

3. The composite rubber seal ring of claim 1, wherein: the lower sealing part (2) is cylindrical, a lower central hole (16) is formed in the middle of the lower sealing part, a lower heat insulation layer (13) and a lower wear-resistant layer (15) are arranged on the inner side face of the lower sealing part, the lower heat insulation layer (13) is located in the lower wear-resistant layer (15) to be measured, the lower central hole (16) is cylindrical and is located right below the upper central hole (9), and the cross section size of the lower central hole is the same as that of the upper central hole (9).

4. The composite rubber seal ring of claim 1, wherein: the connecting groove (10) is a circular inner groove, and the lower bottom surface of the connecting groove is communicated with the mounting groove (11).

5. The composite rubber seal ring of claim 1, wherein: the positioning groove (12) is a circular inner groove, and the outer side surface of the positioning groove is communicated with the inner side surface of the mounting groove (11).

6. The composite rubber seal ring of claim 1, wherein: the mounting groove (11) is a circular inner groove.