CN215805509U

CN215805509U - Y-shaped ring with retaining ring and guiding function

Info

Publication number: CN215805509U
Application number: CN202121271696.3U
Authority: CN
Inventors: 董琛
Original assignee: Sichuan Tisitong Sealing Technology Co ltd
Current assignee: Sichuan Tisitong Sealing Technology Co ltd
Priority date: 2021-06-08
Filing date: 2021-06-08
Publication date: 2022-02-11
Anticipated expiration: 2031-06-08

Abstract

The utility model discloses a Y-shaped ring with a retainer ring and a guiding function, which comprises a hydraulic cylinder, the Y-shaped ring, the retainer ring, a guiding ring and a hydraulic rod, wherein a groove is formed in the inner wall of the hydraulic cylinder, the Y-shaped ring is inserted into the middle of the groove, the retainer ring is fixedly connected to the bottom of the Y-shaped ring, the guiding ring is embedded on the surface of the hydraulic rod, and the hydraulic rod is inserted into the middle of the hydraulic cylinder. This Y shape circle with retaining ring and direction function, through be provided with Y shape circle in the pneumatic cylinder and be provided with retaining ring and guide ring on Y shape circle surface, can avoid Y shape circle when receiving to exceed self pressure value, by the condition that pressure extrudes from the slot clearance, can exert the best sealed effect of Y shape circle, utilize retaining ring and guide ring to have high strength nature and stability simultaneously, can bear the weight of the radial unbalance loading of piston rod, play the effect of direction, this simple structure is understandable, make things convenient for the staff to operate, it is convenient to have brought for hydraulic means is sealed.

Description

Y-shaped ring with retaining ring and guiding function

Technical Field

The utility model relates to the technical field of sealing rings, in particular to a Y-shaped ring with a check ring and a guiding function.

Background

The Y-shaped sealing ring has Y-shaped section, is a typical lip-shaped sealing ring, is widely applied to reciprocating dynamic sealing devices, has service life longer than that of an O-shaped sealing ring, is adhered to a coupling surface of a sealing pair by an opened lip edge of the Y-shaped sealing ring, generates little contact pressure only due to the deformation of a lip tip when no internal pressure exists, and has normal pressure equal to the pressure of a medium at each point in contact with a sealing medium under the sealing condition, so the bottom of the lip-shaped sealing ring is axially compressed, the lip part is in contact with a sealing surface to be widened, and the contact stress is increased. When the internal pressure rises again, the distribution form and the size of the contact pressure are further changed, the lip is matched with the sealing surface more tightly, so the sealing performance is better, namely the self-sealing effect of the Y-shaped ring, and one Y-shaped ring can effectively seal the high pressure of 32MPa due to the self-sealing effect.

The following problems exist with the use of the Y-ring based seals currently on the market:

1. the traditional Y-shaped ring is limited by pressure intensity when in use, and is easy to extrude out of a groove gap under the action of pressure intensity when being subjected to larger pressure intensity, so that the sealing performance is reduced, the working efficiency is reduced, and the normal work of a hydraulic device is influenced;

2. traditional Y shape circle receives the extrusion of axial force at the during operation, causes the damage of Y shape circle easily, and the Y shape circle is extremely difficult in changing, brings a large amount of work for the staff, delays hydraulic means's work simultaneously, influences the work process.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the Y-shaped ring with the retaining ring and the guiding function, and solves the problems that the traditional Y-shaped ring is limited by pressure intensity when in use, is easy to extrude out of a groove gap under the action of the pressure intensity when being subjected to larger pressure intensity, causes the reduction of the sealing property, reduces the working efficiency and influences the normal work of a hydraulic device, the traditional Y-shaped ring is extruded by axial force when in work, is easy to damage the Y-shaped ring, is extremely difficult to replace, brings a large amount of work to workers, delays the work of the hydraulic device and influences the working process.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a Y shape circle with retaining ring and direction function, includes pneumatic cylinder, Y shape circle, retaining ring, guide ring and hydraulic stem, the slot has been seted up to the pneumatic cylinder inner wall, Y shape circle is inserted at the slot middle part, Y shape circle bottom fixed connection retaining ring, Y shape circle bottom fixed connection guide ring, the guide ring nestification is on the hydraulic stem surface, the hydraulic stem inserts the pneumatic cylinder middle part.

Preferably, Y shape circle surface mounting has last seal lip, go up seal lip and paste at the slot inner wall, Y shape circle surface mounting has lower seal lip, lower seal lip swing joint is on the hydraulic stem surface.

Preferably, the bottom of the Y-shaped ring is fixedly connected with an extrusion ring, the extrusion ring is fixedly connected with the inner wall of the groove, and the surface of the extrusion ring is fixedly connected with a retainer ring.

Preferably, the retainer ring is made of nylon, and is fixedly connected with the inner wall of the groove and fixedly connected with the guide ring.

Preferably, the material used for the guide ring is nylon, the guide ring is movably connected to the inner wall of the hydraulic cylinder, and the surface of the guide ring is provided with a buffer seam.

Preferably, the buffer slot is arranged on the surface of the hydraulic rod, and a gap is reserved between the hydraulic rod and the hydraulic cylinder through the guide ring.

(III) advantageous effects

The utility model provides a Y-shaped ring with a check ring and a guiding function. The method has the following beneficial effects:

(1) according to the Y-shaped ring with the retaining ring and the guide function, the retaining ring and the guide ring are arranged at the bottom of the Y-shaped ring, so that the possibility that the Y-shaped ring is extruded out of a groove gap under huge pressure can be prevented, the Y-shaped ring is clamped in the groove by the retaining ring, the Y-shaped ring can be ensured to be normally sealed, the working efficiency of the whole device is improved, and the working time of workers is saved;

(2) this Y shape circle with retaining ring and direction function replaces the oppression that Y shape circle directly received axial pressure through the extrusion circle, slows down the impaired degree of Y shape circle, avoids the frequent change of Y shape circle, guarantees the complete shape of Y shape circle, improves its life, practices thrift working cost.

Drawings

FIG. 1 is a schematic structural view of the present invention as a whole;

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

FIG. 3 is a schematic view of the structure of the Y-shaped ring of the present invention;

fig. 4 is a schematic structural diagram of a guide ring and a retainer ring of the present invention.

In the figure, a hydraulic rod-1, a Y-shaped ring-2, an extrusion ring-3, a retainer ring-4, a guide ring-5, a groove-6, a hydraulic cylinder-7, an upper sealing lip-8, a lower sealing lip-9 and a buffer slot-10.

Detailed Description

The technical solutions 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 a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, an embodiment of the present invention provides a technical solution: the utility model provides a Y shape circle with retaining ring and direction function, includes pneumatic cylinder 7, Y shape circle 2, retaining ring 4, guide ring 5 and hydraulic stem 1, slot 6 has been seted up to pneumatic cylinder 7 inner wall, through the fixed Y shape circle 2 of slot 6, extrusion circle 3 and retaining ring 4, Y shape circle 2 is inserted at the 6 middle parts of slot, 2 bottom fixed connection retaining rings 4 of Y shape circle, 2 bottom fixed connection guide ring 5 of Y shape circle can avoid Y shape circle 2 to receive huge pressure through retaining ring 4 and guide ring 5 and oppress, make Y shape circle 2 compel to extrude slot 6 clearance, cause whole device leakproofness to descend, influence work efficiency, 5 nests at hydraulic stem 1 surfaces of guide ring, hydraulic stem 1 inserts pneumatic cylinder 7 middle part, carries out the elevating system through hydraulic stem 7, plays the guide effect with guide ring 5.

2 surface mounting of Y shape circle has last seal lip 8, go up seal lip 8 and paste at 6 inner walls of slot, seal hydraulic cylinder 7 through last seal lip 8, 2 surface mounting of Y shape circle have

lower seal lip

9, 9 swing joint of lower seal lip are on 1 surface of hydraulic stem, seal 1 hydraulic stem through lower seal lip 9, utilize last seal lip 8 and lower seal lip 9 can play the sealing effect to whole device, guarantee that the work of hydraulic cylinder 7 normally goes on.

2 bottom fixed connection extrusion rings 3 of Y shape circle, 3 fixed connection of extrusion rings are at 6 inner walls of slot, 3 fixed surface of extrusion rings connects retaining ring 4, replaces Y shape circle 2 to receive axial pressure through extrusion rings 3, alleviates the impaired degree of Y shape circle 2, can improve the life of Y shape circle 2, avoids the change Y shape circle 2 of frequency, reduces staff's work load, improves work efficiency.

The retainer ring 4 is made of nylon, the retainer ring 4 is fixedly connected with the inner wall of the groove 6, the retainer ring 4 is fixedly connected with the guide ring 5, and the retainer ring 4 is made of nylon, so that the material strength and the dimensional stability are high, the radial unbalance loading of the piston rod can be borne, and the guide effect is achieved.

The guide ring 5 is made of nylon, the guide ring 5 is movably connected to the inner wall of the hydraulic cylinder 7, the guide ring 5 is made of nylon, high material strength and dimensional stability are achieved, radial unbalance loading of the piston rod can be borne, the guide effect is achieved, the buffer seam 10 is formed in the surface of the guide ring 5, buffering is achieved through the buffer seam 10, and damage caused by overlarge pressure is prevented.

The buffer seam 10 is arranged on the surface of the hydraulic rod 1, a gap is reserved between the hydraulic rod 1 and the hydraulic cylinder 7 through the guide ring 5, a gap is reserved between the hydraulic cylinder 7 and the hydraulic rod 1, and the phenomenon that the hydraulic rod 7 and the hydraulic cylinder 1 are directly rubbed to cause damage to the whole device and waste a large amount of cost is avoided.

The working principle is as follows: when the Y-shaped ring with the retainer ring and the guide function is applied, the hydraulic rod 1 is driven to lift by supplying power to the hydraulic cylinder 7, in the lifting process, the Y-shaped ring 2 is subjected to axial pressure, the upper sealing lip 8 and the lower sealing lip 9 have a sealing effect on the whole device, the axial pressure generated by the hydraulic cylinder 7 on the Y-shaped ring 2 is stabilized by utilizing the retainer ring 4 and the guide ring 5, the Y-shaped ring 2 is prevented from being subjected to huge pressure, the gap of the groove 6 is extruded, the sealing shape of the device is ensured, the working efficiency is improved, meanwhile, the extrusion ring 3 fixedly connected to the bottom of the Y-shaped ring 2 is subjected to direct pressure, the Y-shaped ring 2 is prevented from being subjected to direct pressure, damage is caused, troubles are generated for replacing the Y-shaped ring 2, the workload of workers is reduced, the service life of the Y-shaped ring 2 is prolonged, and the working cost is saved. This Y shape circle with retaining ring and direction function not only can play and stabilize Y shape circle 2, and the sealed effect of direction can avoid Y shape circle 2 impaired moreover, offers convenience for the change, increases the life of device.

The hydraulic rod 1, the Y-shaped ring 2, the extrusion ring 3, the check ring 4, the guide ring 5, the groove 6, the hydraulic cylinder 7, the upper sealing lip 8, the lower sealing lip 9 and the buffer slot 10 are all parts which are common standard parts or parts known by technicians in the field, and the structure and the principle of the hydraulic rod can be known by technical manuals or conventional experimental methods, so that the problem that the traditional Y-shaped ring 2 is limited by pressure intensity when in use, is easy to extrude out from the gap of the groove 6 under the action of the pressure intensity when being subjected to larger pressure intensity, causes the reduction of the sealing property, reduces the working efficiency, and influences the normal work of a hydraulic device is solved, the traditional Y-shaped ring 2 is extruded by axial force when in work, is easy to damage the Y-shaped ring 2, the Y-shaped ring 2 is extremely difficult to replace, brings a large amount of work for the workers, and delays the work of the hydraulic device at the same time, the Y-shaped ring 2 is prevented from being pressed by huge pressure through the check ring 4 and the guide ring 5, the Y-shaped ring 2 is forced to extrude out of a gap of the groove 6, the sealing performance of the whole device is reduced, and the working efficiency is influenced.

While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a Y shape circle with retaining ring and direction function which characterized in that: including pneumatic cylinder (7), Y shape circle (2), retaining ring (4), guide ring (5) and hydraulic stem (1), slot (6) have been seted up to pneumatic cylinder (7) inner wall, Y shape circle (2) are inserted at slot (6) middle part, Y shape circle (2) bottom fixed connection retaining ring (4), Y shape circle (2) bottom fixed connection guide ring (5), nested hydraulic stem (1) surface in guide ring (5), hydraulic stem (1) inserts pneumatic cylinder (7) middle part.

2. The Y-shaped ring with the functions of a retainer ring and a guide ring as claimed in claim 1, wherein: y shape circle (2) surface mounting has last seal lip (8), go up seal lip (8) and paste at slot (6) inner wall, Y shape circle (2) surface mounting has lower seal lip (9), lower seal lip (9) swing joint is on hydraulic stem (1) surface.

3. The Y-shaped ring with the functions of a retainer ring and a guide ring as claimed in claim 1, wherein: the bottom of the Y-shaped ring (2) is fixedly connected with an extrusion ring (3), the extrusion ring (3) is fixedly connected with the inner wall of the groove (6), and the surface of the extrusion ring (3) is fixedly connected with a retaining ring (4).

4. The Y-shaped ring with the functions of a retainer ring and a guide ring as claimed in claim 1, wherein: the check ring (4) is made of nylon, the check ring (4) is fixedly connected with the inner wall of the groove (6), and the check ring (4) is fixedly connected with the guide ring (5).

5. The Y-shaped ring with the functions of a retainer ring and a guide ring as claimed in claim 1, wherein: the material used for the guide ring (5) is nylon, the guide ring (5) is movably connected to the inner wall of the hydraulic cylinder (7), and a buffer seam (10) is formed in the surface of the guide ring (5).

6. The Y-shaped ring with the functions of a retainer ring and a guide ring as claimed in claim 5, wherein: the buffer seam (10) is arranged on the surface of the hydraulic rod (1), and a gap is reserved between the hydraulic rod (1) and the hydraulic cylinder (7) through the guide ring (5).