Ultrahigh-pressure rotary seal in high-pressure cleaner

Abstract

The utility model relates to the technical field of automatic cleaners such as reaction kettles, tanks, tanks and the like, in particular to an ultrahigh-pressure rotary seal in a high-pressure cleaner, which comprises a main body component, a connecting bearing and an output shaft component, the connecting bearing is rotatably mounted on the inner side of the main body component, and the output shaft component is rotatably sleeved on the connecting bearing. And an ultrahigh-pressure rotary sealing piece is fixedly mounted in the main body part. According to the ultrahigh-pressure rotary seal in the high-pressure cleaner, when an internal groove of the ultrahigh-pressure rotary seal is pressed, the two lips extrude towards the two sides to make contact with the main body component and the output shaft assembly, the sealing effect is achieved, and due to the special long and short lip design and the super wear-resisting and pressure-resisting material, the ultrahigh-pressure rotary seal plays a very joint role in the cleaner; a special rotary sealing structure is adopted, the rotary sealing device is suitable for ultrahigh-pressure cleaning occasions, the problem that high-pressure rotary sealing in the prior art cannot meet the rotary sealing condition under ultrahigh pressure is solved, and the rotary sealing device is high in reliability and resistant to abrasion and pressure.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automatic cleaning device of reaction kettle, tank, tank, and specifically is a kind of ultra-high pressure rotary seal in high-pressure cleaner. BACKGROUND

[0002] Reaction kettle is the container of physical and chemical reaction, and the structure design and parameter configuration of container are realized heating, evaporation, cooling and low-speed mixing function required by process. The structure of reaction kettle is composed of kettle body, transmission device stirring device, heating device, cooling device, sealing device. Corresponding auxiliary equipment: fractionating column, condenser, water segregator, collection tank, filter and the like.

[0003] For example, the authorized announcement No. "CN209597763U" is named as a kind of ultra-high pressure cleaning device rotary seal structure, lower bearing gland is installed on the bottom surface of cylinder and lower bearing gland top end is pressed on the bottom surface of lower bearing outer ring, sleeve is installed on the top end of rotating shaft, simple structure, easy and fast installation and disassembly, stable and reliable work and good sealing effect, long service life, but the existing ultra-high pressure cleaning device rotary seal structure, since it needs to increase sealing structure on the outside of output shaft part in ultra-high pressure cleaning device, the conventional sealing structure is rubber sealing ring of round sheet type, to fill the gap on the outside of output shaft structure, but the sealing structure of ultra-high pressure cleaning equipment not only needs to bear the force of inner water flow ultra-high pressure scouring, but also needs to bear the abrasion generated by high-speed rotation of output part, so that the sealing structure will be thin and weak after long time use, which affects the sealing effect of ultra-high pressure cleaning device rotary seal structure. UTILITY MODEL CONTENTS

[0004] The utility model discloses in view of the poor sealing effect of the existing ultra-high pressure cleaning device rotary seal structure, and propose a kind of ultra-high pressure rotary seal in high-pressure cleaner.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] Design a kind of ultra-high pressure rotary seal in high-pressure cleaner, including main part, connecting bearing and output shaft part, the connecting bearing is rotatably installed in the inside of main part, the rotatable sleeve of connecting bearing is connected with output shaft part, the inside of main part is fixedly installed with ultra-high pressure rotary seal piece, the output shaft part is rotatably installed in the inside of main part.

[0007] Preferably, the rear side of the ultra-high pressure rotary seal piece is fixedly connected with a fixed ring, a through-shaft cavity is fixedly provided in the inside of the ultra-high pressure rotary seal piece, a lug is fixedly connected to the inside of the fixed ring, and a matching lip is fixedly connected to the other side of the lug.

[0008] Preferably, the outer wall of the fitting lip is fixedly sleeved with an inner ring, and the inner wall of the other end of the inner ring is fixedly connected with the abutting hoop.

[0009] Preferably, the outer side of the inner ring is fixedly sleeved with an outer ring, and the inner side of the outer ring is fixedly connected with a plurality of through ribs.

[0010] Preferably, the outer wall of the outer ring is fixedly sleeved with a mounting pipe, and the outer wall of the mounting pipe is fixedly connected with the inner wall of the main body component.

[0011] Preferably, the inner side of the through shaft cavity is rotationally connected with the outer wall of the output shaft component.

[0012] The high-pressure cleaner ultrahigh-pressure rotary seal has the advantages that when the slot in the ultrahigh-pressure rotary seal is pressed, the two lips are pressed to contact the main body component and the output shaft assembly, thereby playing a sealing role; the special long and short lip design and the ultrahigh-pressure wear-resistant and pressure-resistant material make the ultrahigh-pressure rotary seal play a very important role in the cleaner; the special rotary seal structure can make the cleaning pressure reach bar, is suitable for ultrahigh-pressure cleaning occasions, solves the problem that the high-pressure rotary seal in the prior art cannot meet the rotary sealing condition under ultrahigh pressure, has high reliability, and is wear-resistant and pressure-resistant. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0014] Figure 2 It is a front view schematic view of Figure 1 ;

[0015] Figure 3 It is a right side schematic view of Figure 1 ;

[0016] Figure 4 It is an installation position schematic view of the utility model;

[0017] Figure 5 It is an outer side schematic view of the ultrahigh-pressure seal;

[0018] Figure 6 It is an enlarged schematic view of A part of Figure 5 ;

[0019] In the drawing: 14, connecting bearing, 15, output shaft component, 27, main body component, 35, ultrahigh-pressure rotary seal, 361, fixed ring, 362, through shaft cavity, 363, protruding block, 364, fitting lip, 365, abutting ring, 366, inner ring, 367, mounting pipe, 368, outer ring, 369, through rib. DETAILED DESCRIPTION

[0020] The utility model will be further described below in combination with the drawings:

[0021] Embodiment 1:

[0022] Please refer to Figures 1-6 In this embodiment, a superhigh pressure rotary seal in a high-pressure cleaner includes a main body component 27, a connecting bearing 14 and an output shaft component 15. The connecting bearing 14 is rotatably installed on the inner side of the main body component 27, and the output shaft component 15 is rotatably connected to the connecting bearing 14. The main body component 27 is internally fixedly installed with a superhigh pressure rotary seal 35. When the internal slot of the superhigh pressure rotary seal 35 is under pressure, the two lips are pressed to contact the main body component 27 and the output shaft component 15, thereby playing a sealing role. The special long and short lip design and the super wear-resistant and pressure-resistant material make the superhigh pressure rotary seal play a very important role in the cleaner. The output shaft component 15 is rotatably installed on the inner side of the main body component 27.

[0023] The rear side of the superhigh pressure rotary seal 35 is fixedly connected with a fixed ring 361, and the internal part of the superhigh pressure rotary seal 35 is fixedly provided with a through-shaft cavity 362. The hole diameter of the through-shaft cavity 362 is used for penetrating the output shaft component 15, so that the through-shaft cavity 362 in the superhigh pressure rotary seal 35 is used for abutting and sealing with the outer diameter of the output shaft component 15. The inner side of the fixed ring 361 is fixedly connected with a protruding block 363, and the protruding block 363 extends on the inner side of the fixed ring 361 to set an abutting lip 364 designed as a long and short lip structure and made of a composite ceramic wear-resistant lining plate material. The abutting lip 364 is made of aluminum oxide powder, silicon carbide powder and other materials through high-temperature calcination, and has excellent wear resistance, chemical stability and high-temperature resistance.

[0024] The other side of the protruding block 363 is fixedly connected with the abutting lip 364, the outer wall of the abutting lip 364 is fixedly sleeved with an inner ring 366, the inner ring 366 and an outer ring 368 are welded and fixed, the outer ring 368 is embedded and installed on the inner side of the main body component 27, and the inner ring 363 is used for sleeving on the outer side of the superhigh pressure rotary seal 35 to realize the fixation in the main body component 27. The other end of the inner ring 366 is fixedly connected with a pressing hoop 365, the pressing hoop 365 cooperates with the outer lip of the abutting lip 364 to realize the pressing cooperation and improve the sealing performance. The inner wall of the pressing hoop 365 movably abuts against the outer side of the abutting lip 364, and the outer side of the inner ring 366 is fixedly sleeved with the outer ring 368.

[0025] The inner side of the outer ring 368 is fixedly connected with a plurality of through ribs 369, the through ribs 369 are made of a plurality of high-strength steel bars arranged in parallel, the through ribs 369 can pull together the outer ring 368 and the inner ring 366 to improve stability, the outer wall of the mounting pipe 367 is fixedly sleeved with the outer ring 368, the mounting pipe 367 is used for being fixedly mounted in the inner side of the main body part 17 to facilitate positioning of the inner side ultra-high pressure rotary seal 35, the outer wall of the mounting pipe 367 is fixedly connected with the inner wall of the main body part 27, and the inner side of the through shaft cavity 362 is rotationally connected with the outer wall of the output shaft part 15.

[0026] Working principle:

[0027] The ultra-high pressure rotary seal in the high-pressure cleaner adopts a special rotary seal structure, can make the cleaning pressure reach 1500bar, is suitable for ultra-high pressure cleaning occasions, solves the problem that the high-pressure rotary seal in the prior art cannot meet the rotary sealing condition under ultra-high pressure, has high reliability, and is wear-resistant and pressure-resistant.

[0028] When the slotted portion in the ultra-high pressure rotary seal 35 is pressed, the two lips are pressed to contact the main body part 27 and the output shaft assembly 15, and play a sealing role, the special long and short lip design and the wear-resistant and pressure-resistant material make the ultra-high pressure rotary seal play a very important role in the cleaner.

[0029] The hole diameter in the through shaft cavity 62 is used for penetrating the output shaft part 15, so that the through shaft cavity 62 in the ultra-high pressure rotary seal 35 is used for being in close contact with the outer diameter of the output shaft part 15, the protruding block 363 extends in the inner side of the fixed ring 361, the close lip 364 is designed as a long and short lip structure and is made of a composite ceramic wear-resistant lining plate material, is made of aluminum oxide powder, silicon carbide powder and the like by high-temperature calcination, has excellent wear resistance, chemical stability and high temperature resistance, the inner ring 366 and the outer ring 368 are welded and fixed, the inner ring 363 is used for being sleeved on the outer side of the ultra-high pressure rotary seal 35 to be fixed in the main body part 27, the abutting ring 356 cooperates with the outer side lip of the close lip 364 to realize abutting cooperation and improve sealing performance, the through rib 369 is made of a plurality of high-strength steel bars arranged in parallel, the through rib 369 can pull together the outer ring 368 and the inner ring 366 to improve stability, and the mounting pipe 367 is used for being fixedly mounted in the inner side of the main body part 17 to facilitate positioning of the inner side ultra-high pressure rotary seal 35.

[0030] Although the utility model has been illustrated and described by referring to the preferred embodiments, it should be understood by those skilled in the art that various changes in form and details can be made within the scope of the claims.

Claims

1. An ultra-high pressure rotary seal in a high-pressure cleaner, comprising a main body component (27), a connecting bearing (14), and an output shaft component (15), wherein the connecting bearing (14) is rotatably mounted inside the main body component (27), and the output shaft component (15) is rotatably sleeved on the connecting bearing (14), characterized in that: The inside of the main body part (27) is fixedly installed with an ultrahigh pressure rotary seal (35), and the output shaft part (15) is rotatably installed on the inside of the main body part (27).

2. The ultra-high pressure rotary seal in a high pressure washer of claim 1, wherein: The rear side of the ultrahigh pressure rotary seal (35) is fixedly connected with a fixed ring (361), the inside of the ultrahigh pressure rotary seal (35) is fixedly provided with a through shaft cavity (362), the inside of the fixed ring (361) is fixedly connected with a protruding block (363), and the other side of the protruding block (363) is fixedly connected with a close lip (364).

3. The ultra-high pressure rotary seal in a high pressure washer of claim 2, wherein: The outer wall of the close lip (364) is fixedly sleeved with an inner ring (366), the other end of the inner ring (366) is fixedly connected with a close clamp (365), and the inner wall of the close clamp (365) is movably close to the outside of the close lip (364).

4. The ultra-high pressure rotary seal in a high pressure washer of claim 3, wherein: The outside of the inner ring (366) is fixedly sleeved with an outer ring (368), and the inside of the outer ring (368) is fixedly connected with a plurality of through ribs (369).

5. The ultra-high pressure rotary seal in a high pressure washer of claim 4, wherein: The outer wall of the outer ring (368) is fixedly sleeved with a mounting pipe (367), and the outer wall of the mounting pipe (367) is fixedly connected with the inner wall of the main body part (27).

6. The ultra-high pressure rotary seal in a high pressure washer of claim 2, wherein: The inside of the through shaft cavity (362) is rotatably connected with the outer wall of the output shaft part (15).

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