CN217355552U - Convex step shaft magnetic fluid sealing device - Google Patents

Convex step shaft magnetic fluid sealing device Download PDF

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Publication number
CN217355552U
CN217355552U CN202220399687.0U CN202220399687U CN217355552U CN 217355552 U CN217355552 U CN 217355552U CN 202220399687 U CN202220399687 U CN 202220399687U CN 217355552 U CN217355552 U CN 217355552U
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magnetic fluid
current body
magnetic current
groove
seal shell
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CN202220399687.0U
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Chinese (zh)
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单平
汤林军
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Zhuzhou Dingnuo Technology Co ltd
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Zhuzhou Dingnuo Technology Co ltd
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Abstract

The utility model discloses a protruding ladder axle magnetic current body sealing device belongs to magnetic current body seal technical field, including two magnetic current body seal shell, two swing joint has protruding ladder axle, two in the magnetic current body seal shell the circumferential surface of magnetic current body seal shell is equipped with dismouting mechanism, when needs are separated two magnetic current body seal shell and protruding ladder axle, can dismantle two magnetic current body seal shell through dismouting mechanism, and then can change protruding ladder axle and two magnetic current body seal shell, then again connect two magnetic current body seal shell and protruding ladder axle through dismouting mechanism after changing the completion, this kind of design makes protruding ladder axle and two magnetic current body seal shell's installation and dismantlement simpler, makes it change and maintain more simply.

Description

Convex step shaft magnetic fluid sealing device
Technical Field
The utility model relates to a magnetic fluid seal technical field, more specifically say, relate to a protruding ladder axle magnetic fluid sealing device.
Background
The magnetic fluid sealing technology is developed on the basis of magnetic fluid, and when the magnetic fluid is injected into the gap of a magnetic field, the magnetic fluid can fill the whole gap to form a liquid O-shaped sealing ring. The magnetic fluid sealing device has the function of transmitting rotary motion into a sealed container, and is commonly used for vacuum sealing.
The magnetic fluid sealing technology is the most common vacuum sealing device, but most of the existing magnetic fluid sealing shells are integrally formed, and the connection between the existing magnetic fluid sealing shells and the convex stepped shaft is very difficult to remove, so that the replacement and maintenance of the convex stepped shaft or the magnetic fluid sealing shell are influenced.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model aims at providing a protruding ladder axle magnetic fluid sealing device aims at solving the magnetic fluid seal shell among the prior art and is most as integrated into one piece, and its is very difficult to demolish with being connected of protruding ladder axle, and then influences the change of protruding ladder axle or magnetic fluid seal shell and the problem of maintaining.
In order to solve the above problem, the utility model adopts the following technical scheme:
a convex step shaft magnetic fluid sealing device comprises two magnetic fluid sealing shells, two convex step shafts and two springs are movably connected in the magnetic fluid sealing shells, the circumferential surfaces of the magnetic fluid sealing shells are provided with a dismounting mechanism, the dismounting mechanism is composed of a movable shaft, two connecting blocks, a bearing, two stress blocks, two passing grooves, two mounting blocks, a connecting groove and two springs, the connecting blocks are respectively and fixedly connected to the circumferential surfaces of the two magnetic fluid sealing shells, the movable shaft is movably connected to the circumferential inner walls of the two connecting blocks, the two passing grooves are respectively penetrated through and arranged at one ends of the two connecting blocks, the connecting groove is arranged at one end of one connecting block, the two mounting blocks are fixedly connected to the circumferential surface of the movable shaft, the two mounting blocks are slidably connected to the inside of the connecting groove, and the bearing is fixedly sleeved on the circumferential surface of the movable shaft, the two stress blocks are fixedly connected to the circumferential surface of the bearing, and the two springs are fixedly connected to one end of one connecting block and one ends of the two stress blocks.
As a preferred proposal of the utility model, one end of the movable shaft is fixedly connected with a handle, and one end of the handle is provided with friction grains.
As the utility model discloses an optimal scheme, one of them magnetic fluid seal shell's one end is rotated through the pivot and is connected with the shifting block, another one magnetic fluid seal shell's one end fixedly connected with joint piece, the joint groove has been seted up to the one end of shifting block, and the shifting block passes through joint groove activity joint in the surface of joint piece.
As a preferred scheme of the utility model, one of them one end fixedly connected with two flexible pipes of connecting block, two the spring overlaps respectively and locates the circumferential surface of two flexible pipes.
As an optimized scheme of the utility model, two the standing groove has all been seted up at magnetic fluid seal shell's both ends, two equal fixedly connected with rubber circle in the standing groove.
As an optimized proposal of the utility model, the dismounting mechanism is provided with a plurality of groups.
Compared with the prior art, the utility model has the advantages of:
(1) the utility model discloses in, when needs are separated two magnetic fluid seal shell and protruding ladder axle, can dismantle two magnetic fluid seal shell through dismouting mechanism, and then can change protruding ladder axle and two magnetic fluid seal shell, then connect two magnetic fluid seal shell and protruding ladder axle through dismouting mechanism equally after changing the completion, make protruding ladder axle and two magnetic fluid seal shell's installation and dismantlement simpler through such design, it is more simple to make it change and maintain.
(2) The utility model discloses in, after two magnetic fluid seal housing installations, can also make it establish the surface to the joint piece through joint groove cover through rotating the shifting block, and then make two magnetic fluid seal housing's connection inseparabler to can be equipped with two with shifting block and joint piece when using.
Drawings
Fig. 1 is a front perspective view of the present invention;
fig. 2 is a rear perspective view of the present invention;
FIG. 3 is a main sectional perspective view of the present invention;
fig. 4 is a side perspective view of the present invention;
fig. 5 is a top perspective view of the present invention;
fig. 6 is a partial enlargement of the position a in fig. 5 according to the present invention.
The reference numbers in the figures illustrate:
1. a magnetic fluid seal housing; 2. a convex stepped shaft; 3. connecting blocks; 4. a bearing; 5. a stress block; 6. a grip; 7. a movable shaft; 8. passing through the slot; 9. connecting grooves; 10. mounting blocks; 11. shifting blocks; 12. a clamping block; 13. a spring; 14. a telescopic pipe; 15. a rubber ring; 16. and (6) placing a groove.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.
The embodiment is as follows:
referring to fig. 1-6, a convex step shaft magnetic fluid sealing device comprises two magnetic fluid sealing shells 1, a convex step shaft 2 movably connected in the two magnetic fluid sealing shells 1, a dismounting mechanism arranged on the circumferential surface of the two magnetic fluid sealing shells 1, the dismounting mechanism comprising a movable shaft 7, two connecting blocks 3, a bearing 4, two stressed blocks 5, two through grooves 8, two mounting blocks 10, a connecting groove 9 and two springs 13, wherein the two connecting blocks 3 are respectively and fixedly connected to the circumferential surface of the two magnetic fluid sealing shells 1, the movable shaft 7 is movably connected to the circumferential inner wall of the two connecting blocks 3, the two through grooves 8 are respectively penetrated and arranged at one end of the two connecting blocks 3, the connecting groove 9 is arranged at one end of one of the connecting blocks 3, the two mounting blocks 10 are fixedly connected to the circumferential surface of the movable shaft 7, the two mounting blocks 10 are slidably connected to the inside of the connecting groove 9, the bearing 4 is fixedly sleeved on the circumferential surface of the movable shaft 7, the two stress blocks 5 are fixedly connected on the circumferential surface of the bearing 4, and the two springs 13 are fixedly connected at one end of one connecting block 3 and one ends of the two stress blocks 5.
In this embodiment, when the two magnetic fluid sealing housings 1 and the protruding step shaft 2 need to be separated, the movable shaft 7 can be pressed, the mounting block 10 on the circumferential surface thereof is separated from the connecting groove 9, then the movable shaft 7 is rotated ninety degrees, then when the mounting block 10 is engaged with the through groove 8, the movable shaft 7 is released from pressing, at this time, the two springs 13 are expanded outward, the two stress blocks 5 are pushed outward, the movable shaft 7 is driven to move outward through the bearing 4, at this time, the mounting block 10 is separated through the through groove 8, then the two magnetic fluid sealing housings 1 can be separated from the circumferential surface of the protruding step shaft 2, after the replacement, the two connecting blocks 3 are butted, then the movable shaft 7 is pushed inward, the mounting block 10 is synchronously driven to move inward through the through groove 8, then the rotation degree is performed, and then the expansion through the two springs 13 is released, the movable shaft 7 is driven to expand outwards, the mounting block 10 is clamped into the connecting groove 9, the two magnetic fluid sealing shells 1 are connected, and the installation and the disassembly of the convex stepped shaft 2 and the two magnetic fluid sealing shells 1 are simpler in the mode.
Specifically, referring to fig. 2, one end of the movable shaft 7 is fixedly connected with a handle 6, and one end of the handle 6 is provided with friction grains.
In this embodiment, the handle 6 makes the pressing and rotation of the movable shaft 7 simpler, and the movable shaft 7 does not separate from the palm by friction grains, thereby improving the stability of the device.
Referring to fig. 3, one end of one of the magnetic fluid sealing shells 1 is rotatably connected to a shifting block 11 through a rotating shaft, one end of the other magnetic fluid sealing shell 1 is fixedly connected to a clamping block 12, one end of the shifting block 11 is provided with a clamping groove, and the shifting block 11 is movably clamped to the outer surface of the clamping block 12 through the clamping groove.
In this embodiment, after two magnetic fluid seal housing 1 are installed, can also make it establish to the surface of joint piece 12 through the joint groove cover through rotating shifting block 11, and then make two magnetic fluid seal housing 1's connection inseparabler to can be equipped with two with shifting block 11 and joint piece 12 when using.
Referring to fig. 4, one end of one of the connecting blocks 3 is fixedly connected with two telescopic pipes 14, and two springs 13 are respectively sleeved on the circumferential surfaces of the two telescopic pipes 14.
In this embodiment, the two springs 13 are not elastically deformed by the two telescopic tubes 14, so that the service lives of the two springs 13 are prolonged.
Referring to fig. 5, two ends of each of the two magnetic fluid sealing shells 1 are respectively provided with a placing groove 16, the two placing grooves 16 are respectively and fixedly connected with a rubber ring 15, and the disassembling and assembling mechanism is provided with a plurality of groups.
In this embodiment, can make two magnetic fluid seal shell 1 and the connection of protruding ladder axle 2 more sealed through two rubber circle 15 to can be equipped with the multiunit with dismouting mechanism when in actual use, and then improve protruding ladder axle 2 and two magnetic fluid seal shell 1's connection compactness.
The working principle is as follows: when needs are separated two magnetic fluid seal housing 1 and protruding ladder axle 2, can be through using dismouting mechanism, then alright with the circumference surface separation from protruding ladder axle 2 with two magnetic fluid seal housing 1, after having changed, at this moment reverse operation dismouting mechanism again for two magnetic fluid seal housing 1 are connected, make protruding ladder axle 2 and two magnetic fluid seal housing 1's installation and dismantlement simpler through such mode.
The above description is only the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the improvement concept of the present invention within the technical scope disclosed in the present invention.

Claims (6)

1. The utility model provides a protruding ladder axle magnetic current body sealing device, includes two magnetic current body seal shell (1), its characterized in that: two swing joint has protruding step shaft (2), two in the magnetic current body seal shell (1) the circumference surface of magnetic current body seal shell (1) is equipped with dismouting mechanism, dismouting mechanism is passed groove (8), two installation pieces (10), spread groove (9) and two springs (13) by loose axle (7), two connecting blocks (3), bearing (4), two atress pieces (5), two and is constituteed, two connecting block (3) fixed connection is respectively in the circumference surface of two magnetic current body seal shells (1), loose axle (7) swing joint is in the circumference inner wall of two connecting blocks (3), two pass groove (8) and run through the one end of seting up in two connecting blocks (3) respectively, spread groove (9) are seted up in the one end of one of them connecting block (3), two installation piece (10) fixed connection is in the circumference surface of loose axle (7), two installation piece (10) sliding connection is in the inside of spread groove (9), the circumference surface of loose axle (7) is located to bearing (4) fixed cover, two the equal fixed connection in circumference surface of bearing (4) of atress piece (5), two spring (13) fixed connection is in the one end of one of them connecting block (3) and the one end of two atress pieces (5).
2. The convex stepped shaft magnetic fluid seal device according to claim 1, wherein: one end of the movable shaft (7) is fixedly connected with a handle (6), and one end of the handle (6) is provided with friction grains.
3. The convex stepped shaft magnetic fluid seal device according to claim 2, wherein: one of them the one end of magnetic fluid seal shell (1) is rotated through the pivot and is connected with shifting block (11), and the one end fixedly connected with joint piece (12) of another magnetic fluid seal shell (1), the joint groove has been seted up to the one end of shifting block (11), and shifting block (11) pass through joint groove activity joint in the surface of joint piece (12).
4. A convex stepped shaft magnetic fluid seal device according to claim 3 wherein: one end of one of the connecting blocks (3) is fixedly connected with two telescopic pipes (14), and the two springs (13) are respectively sleeved on the circumferential surfaces of the two telescopic pipes (14).
5. The convex stepped shaft magnetic fluid sealing device according to claim 4, wherein: two ends of the two magnetic fluid sealing shells (1) are respectively provided with a placing groove (16), and rubber rings (15) are fixedly connected in the two placing grooves (16).
6. The convex stepped shaft magnetic fluid seal device according to claim 5, wherein: the disassembling and assembling mechanism is provided with a plurality of groups.
CN202220399687.0U 2022-02-27 2022-02-27 Convex step shaft magnetic fluid sealing device Active CN217355552U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220399687.0U CN217355552U (en) 2022-02-27 2022-02-27 Convex step shaft magnetic fluid sealing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220399687.0U CN217355552U (en) 2022-02-27 2022-02-27 Convex step shaft magnetic fluid sealing device

Publications (1)

Publication Number Publication Date
CN217355552U true CN217355552U (en) 2022-09-02

Family

ID=83046928

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220399687.0U Active CN217355552U (en) 2022-02-27 2022-02-27 Convex step shaft magnetic fluid sealing device

Country Status (1)

Country Link
CN (1) CN217355552U (en)

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