CN217207059U

CN217207059U - High-pressure oil tank sealing structure

Info

Publication number: CN217207059U
Application number: CN202123454089.3U
Authority: CN
Inventors: 朱一豪; 冯锐
Original assignee: Zhuhai Ruiying Technology Co ltd
Current assignee: Zhuhai Ruiying Technology Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-08-16
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses a high-pressure oil tank seal structure, including setting up the ray window on high-pressure generator, its characterized in that: the radiation window is an N-step stepped window which gradually expands from a position with a radius R away from the center of the window to the outside, N is more than or equal to 2, the window glass is arranged at any two steps of the radiation window, the sealing ring is arranged on the stepped wall from the bottom of the window glass to the front of the outer edge of the top of the window glass, the outer edge of the window glass is arranged on the stepped wall of the peripheral step of the two steps, and the gasket is arranged on the outer edge of the window glass and is fixed by the thrust ring. The embodiment improves the sealing reliability of the X-ray window, improves the production efficiency of the X-ray window, prolongs the service life of the high-voltage generator, and simplifies the operation process of the X-ray window.

Description

High-pressure oil tank sealing structure

Technical Field

The utility model relates to a high-pressure oil tank seals technical field, concretely relates to a high-pressure oil tank seal structure that is used for bi-polar high pressure dentistry X-ray machine high pressure generator.

Background

At present, the traditional sealing technology of a high-pressure oil tank of a high-pressure generator for a double-end high-pressure dental X-ray machine in China has the defects of complex structure, complex process, high oil leakage coefficient and short product life.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a high-pressure oil tank sealing structure for improve the sealing reliability of high-pressure oil tank, improve the production efficiency of sealed window, less sealed process improves the life of sealed window simultaneously.

In order to solve the above problem, the utility model discloses the technical scheme who adopts as follows:

the utility model provides a high-pressure oil tank seal structure, includes the ray window of setting on high pressure generator, its characterized in that: the radiation window is an N-step stepped window which gradually expands from a position with a radius R away from the center of the window to the outside, N is more than or equal to 2, the window glass is arranged at any two steps of the radiation window, the sealing ring is arranged on the stepped wall from the bottom of the window glass to the front of the outer edge of the top of the window glass, the outer edge of the window glass is arranged on the stepped wall of the peripheral step of the two steps, and the gasket is arranged on the outer edge of the window glass and is fixed by the thrust ring.

Furthermore, a sealing groove is dug in the second step wall in the circumferential direction of the ray window, and the sealing ring is arranged in the sealing groove.

Furthermore, the cross section of the sealing ring in the circumferential direction is a star-shaped sealing ring with four endpoints respectively protruding outwards.

Further, the gasket is made of stainless steel.

Further, the width of the gasket is not less than the width of the outer edge of the window glass which is overlapped on the step wall of the second step.

Further, the thrust ring is an aluminum thrust ring.

Furthermore, a plurality of U-shaped grooves are formed in the inner ring of the thrust ring.

Furthermore, the window glass is also provided with a filter aluminum sheet for filtering X rays and enabling ray particles to emit stably, and the filter aluminum sheet is clamped in the thrust ring.

Further, still including setting up filter the stainless steel snap ring on the aluminum sheet circumference for prevent to filter the aluminum sheet and become flexible and drop, wherein the outer wall of stainless steel snap ring and thrust ring's inner wall butt.

Furthermore, a cover plate for covering the edge of the ray window is further wrapped around the ray window, a tooth socket is formed in the joint of the cover plate and the ray window, a plurality of arc-shaped notches are formed around the outer ring of the thrust ring, and after the high-pressure oil tank is filled with oil and sealed, the arc-shaped notches facilitate blowing out of residual transformer oil in the tooth socket.

The utility model has the advantages that: compared with the prior art, the embodiment improves the sealing reliability of the X-ray window, improves the production efficiency of the X-ray window, prolongs the service life of the high-voltage generator and simplifies the operation process of the X-ray window.

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Drawings

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

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

fig. 3 is a side view of the window glass of the present invention;

fig. 4 is a schematic structural view of a cross section of the sealing groove of the present invention;

fig. 5 is a schematic view of a sectional structure of the sealing ring of the present invention;

fig. 6 is a schematic structural view of the gasket of the present invention;

fig. 7 is a schematic structural view of a thrust collar of the present invention;

fig. 8 is a schematic structural diagram of the aluminum filter sheet of the present invention;

fig. 9 is a schematic structural view of the snap ring of the present invention.

Detailed Description

As shown in fig. 1 and 2, a high-pressure oil tank sealing structure comprises a ray window 2 arranged on a high-pressure generator 1, and further comprises a sealing ring 3, a window glass 4, a gasket 5 and a thrust ring 6, wherein the ray window 2 is an N-step stepped window gradually expanding from a position with a radius R away from the center of the window, N is more than or equal to 2, and in this embodiment, 3 steps are arranged from inside to outside, the sealing ring 3 is arranged on a second step, (of course, the position of the sealing ring 3 is not limited to the second step), as shown in fig. 3, the shape and the size of the window glass 4 of this embodiment are matched with the shape and the size of the stepped window of the ray window 2, so that the contact surface is higher, the window glass 4 of this embodiment is arranged at the first step and the second step of the ray window 2, and the outer edge of the window glass 4 is overlapped on the second step, and covers the sealing ring 3, and the first step has a supporting function on the bottom of the window glass 4.

As shown in fig. 4, a seal groove 11 is dug in a step surface of a circumferential second step of the radiation window 2, and the seal ring 3 is disposed in the seal groove. The cross-sectional area S2 of the seal groove 11 is (outer diameter of the seal groove-inner diameter of the seal groove)/2) × groove depth, and the cross-sectional area S1 of the seal ring 3 is pi r ² Where r is a radius from the center of the seal ring to the outer ring, the compression ratio between the seal ring 3 and the seal groove is (seal ring diameter-seal groove depth)/seal ring diameter, and the cross-sectional area ratio is S1/S2. Wherein, on the basis of guaranteeing that compression ratio equals 30% +/-1, the cross-sectional area ratio equals 80% +/-1, can adjust the size of seal groove and sealing washer. In the embodiment, the high-pressure oil tank sealing ring 3 and the sealing groove 11 are designed to be digital and formulaic, and the implementation is completed by adopting a scientific calculation mode.

It should be noted that the surface of the ray window 2 of the high-pressure oil tank or the surface of the sealing surface between at least the first step and the second step is roughened, and the roughness is controlled to be Ra1.6-Ra0.4 μm.

As shown in fig. 5, the cross section of the seal ring 3 in the circumferential direction of the present embodiment is a star-shaped seal ring 3 with four end points respectively protruding outwards. Star type sealing washer 3 has the sucking disc effect, and the leakproofness is stronger, and this sealing washer 3 sealing performance compares that 3 sealing performance of traditional circular, square sealing washer have apparent performance contrast.

As shown in fig. 6, the gasket 5 is disposed on the outer edge of the window glass 4 and fixed by the thrust ring 6. In addition, the width of the gasket 5 is not less than the width of the outer edge of the window glass 4 erected on the second step wall, the gasket 5 of the embodiment is made of a stainless steel 304 gasket 5, the stainless steel 304 gasket 5 is not prone to rusting, the strength is high, the protection range is large, and the gasket has a good protection effect on protecting the sealing ring 3.

As shown in fig. 7, in this embodiment, the thrust collar 6 is an aluminum 6061 thrust collar, a plurality of arc gaps are uniformly and alternately formed in an outer ring of the thrust collar 6, and as shown in fig. 4, in addition, a hole may be formed in a cover plate 9 outside the high-pressure oil tank, and a part of the cover plate may cover an edge of the ray window 2, wherein a joint of the cover plate 9 and the ray window includes a tooth socket, and the arc gaps facilitate blowing out of residual transformer oil inside the tooth socket after the high-pressure oil tank is sealed by injecting oil. The inner ring of the thrust ring 6 is uniformly provided with a plurality of U-shaped grooves at intervals for conveniently taking the thrust ring. The aluminium 6061 thrust collar 6 of this embodiment, the material is light, and 4 arc breach 61 effects are opened to the outer lane and the transformer oil that enables the alveolus the inside does not remain, and 4U type grooves 62 effects in the middle enable 6 easy dismounting of this thrust collar.

As shown in fig. 8, the window glass 4 is further provided with a filter aluminum sheet 7 for filtering X-rays and stabilizing the emission of ray particles, and the filter aluminum sheet 7 is clamped in the thrust ring 6. As shown in fig. 9, the anti-loosening thrust device further comprises a snap ring 8 arranged on the circumference of the filter aluminum sheet 7 and used for preventing the filter aluminum sheet 7 from loosening and falling off, wherein the outer wall of the snap ring 8 is abutted with the inner wall of the thrust ring 6.

The snap ring is a stainless steel snap ring with a gap, has certain compression and extension space, and is convenient to place and take.

Compared with the prior art, the embodiment improves the sealing reliability of the X-ray window 2, improves the production efficiency of the X-ray window 2, prolongs the service life of the high-voltage generator and simplifies the operation process of the X-ray window 2.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. The utility model provides a high-pressure oil tank seal structure, includes the ray window of setting on high pressure generator, its characterized in that: the radiation window is an N-step stepped window which gradually expands from a position with a radius R away from the center of the window to the outside, N is more than or equal to 2, the window glass is arranged at any two steps of the radiation window, the sealing ring is arranged on the stepped wall from the bottom of the window glass to the front of the outer edge of the top of the window glass, the outer edge of the window glass is arranged on the stepped wall of the peripheral step of the two steps, and the gasket is arranged on the outer edge of the window glass and is fixed by the thrust ring.

2. A high-pressure fuel tank seal structure according to claim 1, characterized in that: and a sealing groove is dug in the circumferential second step wall of the ray window, and the sealing ring is arranged in the sealing groove.

3. The high-pressure fuel tank sealing structure according to claim 2, wherein: the cross section of the sealing ring in the circumferential direction is a star-shaped sealing ring with four end points respectively protruding outwards.

4. A high-pressure fuel tank seal structure according to claim 1, characterized in that: the gasket is a stainless steel gasket.

5. The high-pressure fuel tank sealing structure according to claim 4, wherein: the width of the gasket is not less than the width of the outer edge of the window glass arranged on the step wall of the second step.

6. A high-pressure fuel tank seal structure according to claim 1, characterized in that: the thrust ring is an aluminum thrust ring.

7. The high-pressure fuel tank sealing structure according to claim 6, characterized in that: the inner ring of the thrust ring is provided with a plurality of U-shaped grooves.

8. The high-pressure fuel tank sealing structure according to claim 6, wherein: the window glass is also provided with a filter aluminum sheet for filtering X rays and enabling ray particles to emit stably, and the filter aluminum sheet is clamped in the thrust ring.

9. The high-pressure fuel tank sealing structure according to claim 8, wherein: still including setting up filter the stainless steel snap ring on the aluminum sheet circumference for prevent to filter the aluminum sheet and become flexible and drop, wherein the outer wall of stainless steel snap ring and thrust ring's inner wall butt.

10. The high-pressure fuel tank sealing structure according to claim 6, wherein: the periphery of the ray window is further covered with a cover plate covering the edge of the ray window, a tooth socket is arranged at the joint of the cover plate and the ray window, a plurality of arc-shaped notches are formed in the periphery of the outer ring of the thrust ring, and after the high-pressure oil tank is filled with oil and sealed, the arc-shaped notches facilitate blowing out of residual transformer oil in the tooth socket.