CN211820734U

CN211820734U - Double-end mechanical seal spare

Info

Publication number: CN211820734U
Application number: CN202020483466.2U
Authority: CN
Inventors: 胡坚初
Original assignee: Wenzhou Shili Seal Manufacturing Co ltd
Current assignee: Wenzhou Shili Seal Manufacturing Co ltd
Priority date: 2020-04-03
Filing date: 2020-04-03
Publication date: 2020-10-30
Anticipated expiration: 2030-04-03

Abstract

The utility model relates to a double-end mechanical seal spare, all be equipped with the sealing member in first pedestal and the second pedestal, the sealing member respectively with first pedestal and second pedestal fixed connection, the upper end of pedestal subassembly is equipped with fixture block and the mounting of circumference arrangement, the mounting outside is equipped with first draw-in groove, the one end that deviates from the mounting of sealing member forms the second draw-in groove, be equipped with the rotating ring in the second draw-in groove, the junction of second draw-in groove and rotating ring is equipped with fastening device, fastening device includes first arch, second arch and cotter hole, first arch and second arch are all with sealing member fixed connection, first arch is located the one end that is close to second draw-in groove tank bottom, the second is located the one side that is close to second draw-in groove inner wall, be equipped with respectively with first arch and the protruding complex recess of second in the second draw-in groove to provide one kind and be convenient for assemble the assembly, The double-end mechanical sealing element has the advantages of saving assembly time, improving skimming efficiency and being firm in connection.

Description

Double-end mechanical seal spare

Technical Field

The utility model relates to a mechanical seal technical field, in particular to double-end mechanical seal spare.

Background

The mechanical seal is a device for preventing fluid leakage, which is formed by at least one pair of end faces perpendicular to the rotation axis, and the end faces are kept in fit and relatively slide under the action of fluid pressure and the elastic force (or magnetic force) of a compensation mechanism and the cooperation of an auxiliary seal. The elastic loading mechanism and the auxiliary seal are mechanical seals of metal corrugated pipes, which are called metal corrugated pipe seals. In light sealing, a rubber corrugated pipe is used as auxiliary sealing, the elasticity of the rubber corrugated pipe is limited, and a spring is generally required to be supplemented to meet the loading elasticity. "mechanical seal" is often referred to by one as "mechanical seal" for short.

Among the prior art, when mechanical seal produced and made, all accessories were the independent production, consequently needed manual assembly, and in the time of rotating ring and main part assembly, often can become flexible, can not carry out a good fixed to the rotating ring, to the time that increases the assembly, reduced the efficiency of assembly.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a double-end mechanical seal spare convenient to assembly, saving assembly time, improvement dress are left falling efficiency, firm in connection.

The technical scheme of the utility model is realized like this: a double-end mechanical sealing element comprises two seat body components which are matched with each other, wherein each seat body component comprises a first seat body and a second seat body, a spring is arranged between the first seat body and the second seat body, sealing elements are arranged in the first seat body and the second seat body respectively, the sealing elements are fixedly connected with the first seat body and the second seat body respectively, clamping blocks and fixing elements which are distributed in the circumferential direction are arranged at the upper end of each seat body component, a first clamping groove is arranged on the outer side of each fixing element, each clamping block is clamped with the corresponding first clamping groove, a second clamping groove is formed at one end, away from the corresponding fixing element, of each sealing element, a movable ring is arranged in each second clamping groove, a fastening mechanism is arranged at the joint of each second clamping groove and the movable ring, each fastening mechanism comprises a first bulge, a second bulge and a pin hole, each first bulge is fixedly connected with the corresponding sealing element, each first bulge is positioned at one end close to, the second is located at one side close to the inner wall of the second clamping groove, and grooves matched with the first protrusion and the second protrusion are formed in the second clamping groove.

By adopting the technical scheme, the first seat body is positioned at the upper end of the second seat body, the first seat body and the second seat body are the same and are oppositely arranged and are convenient to match, the sealing elements are respectively arranged in the first seat body and the second seat body, the upper end of the sealing element is provided with the extending block which is convenient to clamp with the fixing element, the connection firmness is improved, the sealing element is respectively and fixedly connected with the first seat body and the second seat body, the sealing element can be fixedly connected with the seat body assembly through gluing, the connection firmness is further improved, the upper end of the seat body assembly is provided with the clamping blocks and the fixing elements which are circumferentially arranged, the clamping blocks are arc-shaped, the fixing elements and the seat body assembly are assembled in a sliding manner, the rotation of the fixing elements can be prevented through the arrangement of the clamping blocks, the rotation prevention effect is greatly improved, the use of the sealing elements is facilitated, the sealing, the outer side of the fixing piece is provided with a first clamping groove, the clamping block is clamped with the first clamping groove, after the clamping block slides into the first clamping groove, the clamping block can be limited in the first clamping groove due to the fact that the first clamping groove comprises a groove wall, an anti-rotation effect is achieved, a second clamping groove is formed at one end, away from the fixing piece, of the sealing piece, the second clamping groove is convenient to install the movable ring, the movable ring can be directly installed in the second clamping groove, a movable ring is arranged in the second clamping groove, the movable ring is further convenient to match with a static ring, the sealing performance of the mechanical seal is improved, a fastening mechanism is arranged at the joint of the second clamping groove and the movable ring, the firmness of connection of the movable ring and the second clamping groove can be improved due to the arrangement of the fastening mechanism, the movable ring is prevented from falling off, the convenience and the efficiency of installation are improved, and the fastening mechanism comprises a first bulge, a second bulge and a pin hole, first arch and the protruding equal sealing member fixed connection of second, first arch is located the one end that is close to second draw-in groove tank bottom, the second is located the one side that is close to second draw-in groove inner wall, be equipped with respectively with the protruding complex recess of first arch and second in the second draw-in groove, work as the rotating ring when assembly and second draw-in groove, first arch and second are protruding to get into respectively in the recess that corresponds the position, form a screens with the recess, can prevent that the rotating ring from falling out, rethread pin hole carries out further fixed to the rotating ring this moment, can squeeze into pin or hexagon socket head cap screw in the pin is downthehole, first arch and second arch can be solitary cubic or cyclic annular.

The utility model discloses further set up to: the outside of pedestal subassembly is equipped with and is used for carrying out spacing fixed locating part to the spring, pass through bolt fixed connection between locating part and the pedestal subassembly.

Through adopting above-mentioned technical scheme, the locating part is the annular, the top of locating part can block with the both ends of spring, the setting of locating part can prevent the spring pine take off, can improve the firmness simultaneously when having improved the efficiency of installation.

The utility model discloses further set up to: the upper end of the limiting part is provided with a limiting plate, and the limiting plate inclines towards the middle of the seat body.

Through adopting above-mentioned technical scheme, the bottom of limiting plate is contradicted with the both ends of spring respectively to this plays spacing fixed effect.

The utility model discloses further set up to: the pin hole extends from the outside of the rotating ring into the seal.

Through adopting above-mentioned technical scheme, when the rotating ring is packed into from the outside in pin hole to pin or hexagon socket head cap screw, can be fixed with rotating ring and sealing member linkage, because the sealing member is fixed connection with the pedestal subassembly, consequently can be fixed with the rotating ring.

The utility model discloses further set up to: the fixing piece is connected with the seat body component in a sliding mode.

Through adopting above-mentioned technical scheme, consequently be convenient for the assembly between mounting and the pedestal subassembly, improved efficiency greatly.

The utility model discloses further set up to: the end of the dynamic ring, which is far away from the sealing element, is connected with the static ring.

Through adopting above-mentioned technical scheme, the use of being convenient for machine seal of setting up of quiet ring, the fitting surface of rotating ring and quiet ring is the smooth surface, and the laminating of being convenient for improves the leakproofness.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is an exploded cross-sectional view of an embodiment of the present invention 1;

FIG. 2 is a schematic view of the overall structure of an embodiment of the present invention;

FIG. 3 is an exploded cross-sectional view of an embodiment of the present invention, FIG. 2;

fig. 4 is an enlarged view of a portion a in fig. 3 according to an embodiment of the present invention.

Reference numerals: 1. a first seat body; 2. a second seat body; 3. a spring; 4. a seal member; 401. a second card slot; 402. a moving ring; 5. a clamping block; 6. a fixing member; 601. a first card slot; 7. a fastening mechanism; 701. a first protrusion; 702. a second protrusion; 703. a pin hole; 704. a groove; 8. a limiting member; 801. a limiting plate; 9. and (4) a stationary ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 to 4, the utility model discloses a double-end mechanical sealing element, which comprises two seat body components matched with each other, wherein the seat body components comprise a first seat body 1 and a second seat body 2, a spring 3 is arranged between the first seat body 1 and the second seat body 2, the first seat body 1 and the second seat body 2 are the same and are oppositely arranged, so as to be convenient for matching, a sealing element 4 is arranged in each of the first seat body 1 and the second seat body 2, an extending block is arranged at the upper end of the sealing element 4, so as to be convenient for being clamped with a fixing element 6, so as to improve the connection firmness, the sealing element 4 is respectively fixedly connected with the first seat body 1 and the second seat body 2, the sealing element 4 can be fixedly connected with the seat body components through gluing, so as to further improve the connection firmness, the upper end of the seat body components is provided with clamping blocks 5 and fixing elements 6 which are circumferentially arranged, the fixing piece 6 is assembled with the base body assembly in a sliding mode, the fixing piece 6 can be prevented from rotating due to the arrangement of the fixture block 5, the rotation preventing effect is greatly improved, the use of the sealing piece 4 is facilitated, the sealing performance is improved, and meanwhile, the assembly of the sealing piece 4 is facilitated, the first clamping groove 601 is arranged on the outer side of the fixing piece 6, the fixture block 5 is clamped with the first clamping groove 601, after the fixture block 5 slides into the first clamping groove 601, the fixture block 5 can be limited in the first clamping groove 601 due to the fact that the first clamping groove 601 comprises a groove wall, the rotation preventing effect is achieved, a second clamping groove 401 is formed at one end, away from the fixing piece 6, of the sealing piece 4, the second clamping groove 401 is convenient to install the movable ring 402, the movable ring 402 can be directly installed in the second clamping groove 401, the movable ring 402 is arranged in the second clamping groove 401, and the movable ring 402 is further convenient to be matched with the stationary ring 9, the tightness of the mechanical seal is improved, the fastening mechanism 7 is arranged at the joint of the second clamping groove 401 and the moving ring 402, the fastening mechanism 7 can improve the connection firmness of the moving ring 402 and the second clamping groove 401, the moving ring 402 is prevented from falling off, and the installation convenience and efficiency are improved, the fastening mechanism 7 comprises a first protrusion 701, a second protrusion 702 and a pin hole 703, the first protrusion 701 and the second protrusion 702 are fixedly connected with the sealing part 4, the first protrusion 701 is positioned at one end close to the bottom of the second clamping groove 401, the second protrusion is positioned at one side close to the inner wall of the second clamping groove 401, a groove 704 matched with the first protrusion 701 and the second protrusion 702 is arranged in the second clamping groove 401, when the moving ring 402 is assembled with the second clamping groove 401, the first protrusion 701 and the second protrusion 702 can enter the groove 704 at corresponding positions respectively to form a clamping position with the groove 704, the movable ring 402 can be prevented from falling out, the movable ring 402 is further fixed through the pin hole 703 at the moment, a pin or an inner hexagon bolt can be driven into the pin hole 703, and the first protrusion 701 and the second protrusion 702 can be in a single block shape or in a ring shape.

The outside of pedestal subassembly is equipped with and is used for carrying out spacing fixed locating part 8 to spring 3, through bolt fixed connection between locating part 8 and the pedestal subassembly, locating part 8 is the annular, the top of locating part 8 can block with the both ends of spring 3, the setting of locating part 8 can prevent spring 3 pine take off, has improved the efficiency of installation and can improve the firmness simultaneously.

The upper end of the limiting piece 8 is provided with a limiting plate 801, the limiting plate 801 inclines towards the middle of the base body, and the bottom of the limiting plate 801 is respectively abutted against two ends of the spring 3, so that the limiting and fixing effects are achieved.

The pin hole 703 extends from the outer side of the movable ring 402 into the sealing member 4, when a pin or a hexagon socket head cap screw is installed into the movable ring 402 from the outer side of the pin hole 703, the movable ring 402 and the sealing member 4 can be fixed in an interlocking manner, and the sealing member 4 and the seat body assembly are fixedly connected, so that the movable ring 402 can be fixed.

Sliding connection between mounting 6 and the pedestal subassembly consequently has been convenient for the assembly between mounting 6 and the pedestal subassembly, has improved efficiency greatly.

The one end that deviates from sealing member 4 of rotating ring 402 is connected with quiet ring 9, the use of machine seal is convenient for in the setting of quiet ring 9, the fitting surface of rotating ring 402 and quiet ring 9 is the smooth surface, and the laminating of being convenient for improves the leakproofness.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a double-end mechanical seal spare, includes two matched with pedestal subassemblies, the pedestal subassembly includes first pedestal and second pedestal, be equipped with spring, its characterized in that between first pedestal and the second pedestal: all be equipped with the sealing member in first pedestal and the second pedestal, the sealing member respectively with first pedestal and second pedestal fixed connection, the upper end of pedestal subassembly is equipped with fixture block and the mounting of circumference arrangement, the mounting outside is equipped with first draw-in groove, fixture block and first draw-in groove joint, the one end that deviates from the mounting of sealing member forms the second draw-in groove, be equipped with the rotating ring in the second draw-in groove, the junction of second draw-in groove and rotating ring is equipped with fastening device, fastening device includes first arch, second arch and dowel hole, first arch and second arch are all with sealing member fixed connection, first arch is located the one end that is close to second draw-in groove tank bottom, the second is located the one side that is close to second draw-in groove inner wall, be equipped with respectively with first arch and the protruding complex recess of second in the second draw-in groove.

2. The double-ended mechanical seal of claim 1, wherein: the outside of pedestal subassembly is equipped with and is used for carrying out spacing fixed locating part to the spring, pass through bolt fixed connection between locating part and the pedestal subassembly.

3. The double-ended mechanical seal of claim 2, wherein: the upper end of the limiting part is provided with a limiting plate, and the limiting plate inclines towards the middle of the seat body.

4. The double-ended mechanical seal of claim 1, wherein: the pin hole extends from the outside of the rotating ring into the seal.

5. The double-ended mechanical seal of claim 1, wherein: the fixing piece is connected with the seat body component in a sliding mode.

6. The double-ended mechanical seal of claim 1, wherein: the end of the dynamic ring, which is far away from the sealing element, is connected with the static ring.