CN218031395U

CN218031395U - Piston rod sealing element

Info

Publication number: CN218031395U
Application number: CN202221515914.8U
Authority: CN
Inventors: 岳志田; 刘伟; 刘剑飞
Original assignee: Datong Taibao Sealing Co ltd
Current assignee: Datong Taibao Sealing Co ltd
Priority date: 2022-06-15
Filing date: 2022-06-15
Publication date: 2022-12-13
Anticipated expiration: 2032-06-15

Abstract

The utility model relates to a sealing member technical field specifically is piston rod sealing member, including the main seal circle, the upper end in the main seal circle outside is equipped with the outer lane, the lower extreme in the main seal circle outside is equipped with the inner circle, department has seted up the mounting groove in the middle of the main seal circle outside, the mounting groove outside is equipped with the spacing arch of second, the mounting groove in-connection has the reinforcing ring, the reinforcing ring has seted up the spacing groove near the spacing arch department of second, main seal circle upper end and lower extreme all are equipped with first spacing arch, the inside multiunit draw-in groove of having seted up of main seal circle, the draw-in groove in-connection has the clamping ring.

Description

Piston rod seal

Technical Field

The utility model relates to a sealing member technical field specifically is piston rod sealing member.

Background

Deformation can appear along with the piston rod operation in the sealing member in the piston rod, and the sealing member of filling completely easily influences the piston rod operation, and deformation is broken easily appearing when the sealing member of integral type is stressed repeatedly for a long time, needs often to be changed, and the inside and piston rod of the sealing member of filling completely laminate completely and influence the operation of piston rod.

Therefore, a piston rod seal needs to be designed to solve the above-mentioned problems in the background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a piston rod sealing member to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme:

piston rod seal spare, including main sealing washer, the upper end in the main sealing washer outside is equipped with the outer lane, the lower extreme in the main sealing washer outside is equipped with the inner circle, department has seted up the mounting groove in the middle of the main sealing washer outside, the mounting groove outside is equipped with the spacing arch of second, the mounting groove in-connection has the reinforcing ring, be close to the spacing arch department of second on the reinforcing ring and seted up the spacing groove, main sealing washer upper end and lower extreme all are equipped with first spacing arch, the inside multiunit draw-in groove of having seted up of main sealing washer, the draw-in groove in-connection has the clamping ring.

As the utility model discloses preferred scheme, formula structure as an organic whole between main sealing washer and outer lane, the inner circle.

As the utility model discloses preferred scheme, connect through cup jointing between mounting groove and the reinforcing ring.

As the utility model discloses preferred scheme, connect through the joint between spacing arch of second and the spacing groove.

As the utility model discloses preferred scheme, connect through cup jointing between draw-in groove and the clamping ring.

As the preferred scheme of the utility model, the diameter size of outer lane is less than the diameter size of inner circle.

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

1. the utility model discloses in, through the outer lane and the inner circle that set up, the size difference between outer lane and the inner circle makes when using have an amount of activity space between main seal circle and the piston, does not influence the piston rod operation when ensuring certain sealed.

2. The utility model discloses in, through the reinforcing ring that sets up, connect through cup jointing between mounting groove and the reinforcing ring, connect through the joint between spacing arch of second and the spacing groove, constitute package assembly, make things convenient for dismouting and use, increased the bearing capacity of deformation volume during the atress, reduce the damage, improved life.

3. The utility model discloses in, through the clamping ring that sets up, during the use, connect through cup jointing between clamping ring and the piston rod, through the multiunit clamping ring that sets up, can effectively reduce the area of contact between main seal circle and the piston rod for the piston rod operation is in the same direction as smooth more.

Drawings

FIG. 1 is an overall structure diagram of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

fig. 3 is a sectional split structure view of the present invention.

In the figure: 1. a primary seal ring; 101. an outer ring; 102. an inner ring; 103. a first limit protrusion; 104. a second limit bulge; 105. mounting grooves; 106. a card slot; 2. a connecting ring; 3. a reinforcing ring; 301. a limiting groove.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person skilled in the art without creative work belong to the scope of protection of the present invention based on the embodiments of the present invention.

In order to facilitate understanding of the invention, the invention will be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the invention are shown, but which can be embodied in many different forms and are not limited to the embodiments described herein, but which are provided so as to render the disclosure of the invention more thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1-3, the present invention provides a technical solution:

piston rod sealing member, including main sealing washer 1, the upper end in the 1 outside of main sealing washer is equipped with outer lane 101, the lower extreme in the 1 outside of main sealing washer is equipped with inner circle 102, department has seted up mounting groove 105 in the middle of the 1 outside of main sealing washer, the mounting groove 105 outside is equipped with the spacing arch 104 of second, mounting groove 105 in-connection has reinforcing ring 3, reinforcing ring 3 is last to be close to the spacing arch 104 department of second and has seted up

spacing groove

301, 1 upper end of main sealing washer and lower extreme all are equipped with first spacing

arch

103, 1 inside multiunit draw-in groove 106 of having seted up of main sealing washer, the draw-in groove 106 in-connection has connecting ring 2.

In an embodiment, referring to fig. 1, fig. 2, and fig. 3, a sealing element in a piston rod deforms along with the operation of the piston rod, the completely filled sealing element easily affects the operation of the piston rod, the main sealing ring 1, the outer ring 101, and the inner ring 102 are integrated, the diameter of the outer ring 101 is smaller than that of the inner ring 102, and the size difference between the outer ring 101 and the inner ring 102 enables a certain amount of moving space to be formed between the main sealing ring 1 and the piston when in use, so that the operation of the piston rod is not affected while a certain sealing is ensured.

The embodiment, please refer to fig. 1, fig. 2 and fig. 3, deformation can appear along with the piston rod operation to the sealing member in the piston rod, deformation fracture easily appears when the sealing member of integral type is long-time repeated the pressurized, need often to be changed, connect through cup jointing between mounting groove 105 and the reinforcing ring 3, connect through the joint between spacing arch 104 of second and the spacing groove 301, constitute package assembly, make things convenient for dismouting and use, the holding capacity of deformation volume has been increased during the atress, reduce the damage, and service life is prolonged.

In an embodiment, please refer to fig. 1, fig. 2 and fig. 3, the completely filled sealing element is completely attached to the piston rod to affect the operation of the piston rod, the clamping groove 106 is connected with the connecting ring 2 through a sleeve joint, when in use, the connecting ring 2 is connected with the piston rod through the sleeve joint, and the contact area between the main sealing ring 1 and the piston rod can be effectively reduced through the plurality of groups of connecting rings 2, so that the piston rod can operate more smoothly.

The working principle is as follows: during the use, the size difference between outer lane 101 and the inner circle 102 makes to have a certain amount of activity space between main seal circle 1 and the piston when using, do not influence the piston rod operation when guaranteeing certain sealed, connect through cup jointing between mounting groove 105 and the reinforcing ring 3, connect through the joint between spacing arch 104 of second and the spacing groove 301, constitute package assembly, make things convenient for dismouting and use, the bearing capacity of deformation volume has been increased during the atress, reduce the damage, the service life is prolonged, during the use, connect through cup jointing between clamping ring 2 and the piston rod, through the multiunit clamping ring 2 that sets up, can effectively reduce the area of contact between main seal circle 1 and the piston rod, make the piston rod operation more smooth.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Piston rod sealing member, including main seal circle (1), its characterized in that: the upper end in main seal circle (1) outside is equipped with outer lane (101), the lower extreme in main seal circle (1) outside is equipped with inner circle (102), department has seted up mounting groove (105) in the middle of main seal circle (1) outside, mounting groove (105) outside is equipped with the spacing arch of second (104), mounting groove (105) in-connection has reinforcing ring (3), be close to the spacing arch of second (104) department on reinforcing ring (3) and seted up spacing groove (301), main seal circle (1) upper end and lower extreme all are equipped with first spacing arch (103), multiunit draw-in groove (106) have been seted up to main seal circle (1) inside, draw-in groove (106) in-connection has clamping ring (2).

2. A piston rod seal according to claim 1, characterized in that: the main sealing ring (1) and the outer ring (101) and the inner ring (102) are of an integrated structure.

3. A piston rod seal according to claim 1, characterized in that: the installation groove (105) is connected with the reinforcing ring (3) through a sleeve joint.

4. The piston rod seal of claim 1 wherein: the second limiting protrusion (104) is connected with the limiting groove (301) in a clamping mode.

5. The piston rod seal of claim 1 wherein: the clamping groove (106) and the connecting ring (2) are connected through sleeving.

6. A piston rod seal according to claim 1, characterized in that: the diameter size of the outer ring (101) is smaller than that of the inner ring (102).