CN218954033U

CN218954033U - Hollow shaft magnetic fluid vacuum sealing device

Info

Publication number: CN218954033U
Application number: CN202320713867.6U
Authority: CN
Inventors: 小林宏之; 小林惠理; 郑连春
Original assignee: Xinxiang Moretec Co ltd
Current assignee: Xinxiang Moretec Co ltd
Priority date: 2023-04-04
Filing date: 2023-04-04
Publication date: 2023-05-02
Anticipated expiration: 2033-04-04

Abstract

The utility model discloses a hollow shaft magnetic fluid vacuum sealing device, and relates to the technical field of magnetic fluid sealing and related equipment thereof. The utility model comprises an outer cylinder, clamping grooves are formed in the top and bottom of one side outer wall of the outer cylinder, a shell is arranged on the outer side of one side outer wall of the outer cylinder, a side ring is welded on one side end face of the shell, limit grooves are formed in the top and bottom of the outer side wall of the side ring, a mounting assembly is arranged in the limit grooves, and fixing assemblies are arranged at the top end and the bottom end of the inner part of the shell. According to the utility model, the mounting assembly and the fixing assembly drive the movable plate to move under the action of the elastic performance of the spring and cooperate with the clamping groove to realize or cancel the limiting effect, so that the mounting and dismounting of the outside sealing measures are convenient, the working efficiency is high, the pressing plate is driven to move under the action of the screw thread, the external butt joint cylinders with different pipe diameters can be mounted and fixed, and the application range is wide.

Description

Hollow shaft magnetic fluid vacuum sealing device

Technical Field

The utility model belongs to the technical field of magnetic fluid sealing and related equipment thereof, and particularly relates to a hollow shaft magnetic fluid vacuum sealing device.

Background

The magnetic fluid is a novel functional material, has the fluidity of liquid and the magnetism of a solid magnetic material, and is widely applied to the fields of magnetic fluid sealing, shock absorption, medical appliances and the like, wherein in the hollow shaft magnetic fluid vacuum sealing device, the magnetic fluid vacuum sealing device has the advantages of high cleanliness, long service life, high vacuum degree and the like, but the magnetic fluid vacuum sealing device still has the following defects in actual use:

when the existing hollow shaft magnetic fluid vacuum sealing device is used, the sealing measures of the existing hollow shaft magnetic fluid vacuum sealing device are not convenient to disassemble and maintain by workers, so that the working efficiency is low;

when the existing hollow shaft magnetic fluid vacuum sealing device is used, the external pipeline is mostly installed and butted through the flange, the installation cannot be adjusted according to the size requirement of the pipeline, and the application range is small.

Disclosure of Invention

The utility model aims to provide a hollow shaft magnetic fluid vacuum sealing device, which drives a moving plate to move under the action of the elastic property of a spring through a mounting component and a fixing component and is matched with a clamping groove to realize or cancel the limiting effect, so that the hollow shaft magnetic fluid vacuum sealing device is convenient to mount and dismount outside sealing measures, has high working efficiency, can drive a pressing plate to move through the action of threads, can mount and fix external butt joint cylinders with different pipe diameters, and has wide application range.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a hollow shaft magnetic fluid vacuum sealing device which comprises an outer cylinder, wherein clamping grooves are formed in the top and bottom of the outer wall of one side of the outer cylinder, a shell is arranged on the outer side of the outer wall of one side of the outer cylinder, a side ring is welded on the end face of one side of the shell, limiting grooves are formed in the top and bottom of the outer side wall of the side ring, mounting components are arranged in the limiting grooves, fixing components are arranged at the top and bottom of the inner side of the shell, the cross section of each clamping groove is L-shaped, the shell mainly plays a role in sealing magnetic fluid and magnetic rings in the outer cylinder, and the cross section of each limiting groove is T-shaped.

Further, a liquid storage cavity is formed in one side of the inner portion of the outer cylinder, partition rings are uniformly arranged in the liquid storage cavity at intervals in the horizontal direction, a magnetic ring is arranged on one side of the partition rings, a filling pipe is arranged on one side of the top of the liquid storage cavity, the partition rings can block the magnetic ring, sealing performance is improved, and magnetic fluid can be added into the liquid storage cavity through the filling pipe.

Further, the outside of stock solution chamber is provided with the cooling tank, and top one side of cooling tank is provided with the feed liquor pipe, and the bottom opposite side of cooling tank is provided with the drain pipe, and the internally mounted of urceolus has the inner tube, can add the coolant liquid of flow in to the cooling tank through feed liquor pipe and drain pipe, reduces the magnetic fluid temperature.

Further, the outer side wall of the side ring is adhered with a first sealing ring, the inner side wall of the shell is adhered with a second sealing ring, the butt joint barrel is arranged in the shell, and the sealing performance of the joint can be improved by the first sealing ring and the second sealing ring.

Further, the installation component includes movable plate and briquetting, and the lateral wall one side welding of movable plate has the briquetting, and the lateral wall opposite side edge department welding of movable plate has the stopper, and the transversal triangle-shaped of personally submitting of stopper.

Further, a connecting rod is welded on one side of the bottom of the movable plate, the other end of the connecting rod penetrates through a through hole in the upper surface of the fixed plate to be connected with the limiting plate, and the movable plate is connected with the limiting plate through the connecting rod to play a role in connection.

Further, the outer side of the outer wall of the connecting rod is sleeved with a spring, the spring is located between the moving plate and the fixed plate, the moving plate is driven to move under the action of elastic performance of the spring, and the outer wall of the fixed plate is fixed on the inner wall of the limiting groove.

Further, fixed subassembly includes revolves board and threaded rod, and the inside wall central point who revolves the board puts the welding and has the threaded rod, and the other end of threaded rod runs through the screw hole on the shell outer wall and the bearing connection of clamp plate lateral wall, and the external screw thread on the threaded rod outer wall is connected with the internal thread screw thread meshing of screw hole pore wall on the shell outer wall, plays driven effect, and the inside wall bonding of clamp plate has the slipmat, improves the stability to the butt joint section of thick bamboo.

The utility model has the following beneficial effects:

according to the utility model, the installation assembly is arranged, the moving plate is driven to move under the action of the elastic performance of the spring, so that the limiting block positioned on the outer side of the moving plate can move, the limiting effect is realized or cancelled with the clamping groove on the outer cylinder, the installation and the disassembly of the outer sealing measures by workers are facilitated, the disassembly and the maintenance of the hollow shaft magnetic fluid vacuum sealing device by workers are facilitated, the working efficiency is high, and the problem that the working efficiency is lower because the disassembly and the maintenance of the sealing measures by workers are inconvenient when the conventional hollow shaft magnetic fluid vacuum sealing device is used is solved.

According to the utility model, the fixing component is arranged, the pressing plate is driven to move under the action of the threads, so that the external butt joint cylinders with different pipe diameters can be installed and fixed, the use is convenient, the application range is wide, and the problems that when the traditional hollow shaft magnetic fluid vacuum sealing device is used, the external pipeline is mostly installed and butted through the flange plate, the installation cannot be adjusted according to the size requirement of the pipeline, and the application range is small are solved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic structural view of a hollow shaft magnetic fluid vacuum sealing device;

FIG. 2 is a cross-sectional view of the outer barrel;

FIG. 3 is a cross-sectional view of the housing;

FIG. 4 is a block diagram of a mounting assembly;

fig. 5 is a structural view of the fixing assembly.

In the drawings, the list of components represented by the various numbers is as follows:

1. an outer cylinder; 101. a clamping groove; 102. a liquid storage cavity; 103. a spacer ring; 104. a magnetic ring; 105. a filling pipe; 106. a cooling tank; 1061. a liquid inlet pipe; 1062. a liquid outlet pipe; 107. an inner cylinder; 2. a housing; 201. a side ring; 2011. a limit groove; 202. a first seal ring; 203. a second seal ring; 204. a butt joint barrel; 3. a mounting assembly; 301. a moving plate; 302. briquetting; 303. a limiting block; 304. a connecting rod; 305. a spring; 306. a fixing plate; 307. a limiting plate; 4. a fixing assembly; 401. a rotating plate; 402. a threaded rod; 403. and (5) pressing plates.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1 to 5, the utility model discloses a hollow shaft magnetic fluid vacuum sealing device, which comprises an outer cylinder 1, wherein clamping grooves 101 are formed in the top and bottom of one side outer wall of the outer cylinder 1, a shell 2 is arranged on the outer side of one side outer wall of the outer cylinder 1, a side ring 201 is welded on one side end surface of the shell 2, limiting grooves 2011 are formed in the top and bottom of the outer side wall of the side ring 201, a mounting assembly 3 is arranged in the limiting grooves 2011, fixing assemblies 4 are arranged at the top and bottom of the inner part of the shell 2, the cross section of the clamping grooves 101 is L-shaped, the shell 2 mainly plays a role in sealing magnetic fluid and a magnetic ring 104 in the outer cylinder 1, and the cross section of the limiting grooves 2011 is T-shaped.

As shown in fig. 1 to 2, a liquid storage cavity 102 is arranged on one side of the inner part of the outer cylinder 1, spacer rings 103 are uniformly arranged in the liquid storage cavity 102 at intervals along the horizontal direction, a magnetic ring 104 is arranged on one side of the spacer rings 103, a filling pipe 105 is arranged on one side of the top of the liquid storage cavity 102, the spacer rings 103 can block the magnetic ring 104, sealing performance is improved, magnetic fluid can be added into the liquid storage cavity 102 through the filling pipe 105, a cooling groove 106 is arranged on the outer side of the liquid storage cavity 102, a liquid inlet pipe 1061 is arranged on one side of the top of the cooling groove 106, a liquid outlet pipe 1062 is arranged on the other side of the bottom of the cooling groove 106, an inner cylinder 107 is arranged in the inner part of the outer cylinder 1, and flowing cooling liquid can be added into the cooling groove 106 through the liquid inlet pipe 1061 and the liquid outlet pipe 1062, so that the temperature of the magnetic fluid is reduced.

As shown in fig. 1 and 3, the outer side wall of the side ring 201 is adhered with a first sealing ring 202, the inner side wall of the housing 2 is adhered with a second sealing ring 203, the inside of the housing 2 is provided with a butt joint barrel 204, and the sealing performance of the joint can be improved by the first sealing ring 202 and the second sealing ring 203.

As shown in fig. 3 to 4, the installation component 3 includes a moving plate 301 and a pressing block 302, the pressing block 302 is welded on one side of the outer side wall of the moving plate 301, the limiting block 303 is welded on the edge of the other side of the outer side wall of the moving plate 301, the cross section of the limiting block 303 is triangular, a connecting rod 304 is welded on one side of the bottom of the moving plate 301, the other end of the connecting rod 304 penetrates through a through hole on the upper surface of a fixed plate 306 to be connected with the limiting plate 307, the moving plate 301 and the limiting plate 307 are connected through the connecting rod 304, a spring 305 is sleeved on the outer side of the outer wall of the connecting rod 304, the spring 305 is located between the moving plate 301 and the fixed plate 306, the moving plate 301 is driven to move under the action of the elastic performance of the spring 305, and the outer wall of the fixed plate 306 is fixed on the inner wall of the limiting groove 2011.

As shown in fig. 3 and 5, the fixing component 4 includes a rotating plate 401 and a threaded rod 402, the central position of the inner side wall of the rotating plate 401 is welded with the threaded rod 402, the other end of the threaded rod 402 penetrates through a threaded hole on the outer wall of the housing 2 and is connected with a bearing on the outer side wall of the pressing plate 403, an external thread on the outer wall of the threaded rod 402 is engaged with an internal thread in the wall of the threaded hole on the outer wall of the housing 2 to play a role in transmission, and an anti-slip pad is adhered to the inner side wall of the pressing plate 403 to improve stability of the butt joint barrel 204.

One specific application of this embodiment is: when a worker needs to use, the pressing block 302 above and below the side ring 201 is pressed inwards, the pressing block 302 is forced to move into the limit groove 2011, and the pressing block 302 and the limit block 303 are arranged on the moving plate 301, so that the limit block 303 is driven to move by the moving plate 301 when the pressing block 302 moves, and the moving plate 301 is connected with the limit plate 307 through the connecting rod 304, so that the moving plate 301 pushes the limit plate 307 and presses the spring 305 under the action of the connecting rod 304 when moving, then the end part of the moving plate 301 and the limit block 303 are inserted into the clamping groove 101 outside the outer cylinder 1, then the force application is stopped, at the moment, the moving plate 301 is ejected under the action of the elastic performance of the spring 305, the limit block 303 can be carried out and is matched with the clamping groove 101 to play a limit role, and when the fixing is completed, the limit block 303 is taken out from the clamping groove 101 in the same way, the first sealing ring 202 tightly connects the outer wall of the outer cylinder 1 with the side ring 201, then the outer butt-joint cylinder 204 is inserted into the outer shell 2, the end of the outer butt-joint cylinder 204 is tightly connected with the second sealing ring 203, then the upper and lower rotating plates 401 are rotated, the rotating plates 401 are forced to rotate so as to drive the threaded rod 402 to rotate, the external threads on the outer wall of the threaded rod 402 are engaged with the internal threads on the wall of the threaded hole on the outer wall of the outer shell 2, therefore, the threaded rod 402 continuously pushes the pressing plate 403 to move inwards when rotating, the outer butt-joint cylinder 204 is fixed through the upper and lower pressing plates 403, then when the hollow shaft magnetic fluid sealing device works, a large amount of magnetic fluid can be gathered at the magnetic ring 104 through the plurality of magnetic rings 104 and the liquid storage cavities 102, the sealing performance is good, circulating cooling water can be added into the cooling tank 106 by utilizing the liquid inlet pipe 1061 and the liquid outlet pipe 1062, heat can be absorbed through the outer side of the liquid storage cavity 102, the temperature of the magnetic fluid is reduced, and the magnetic fluid can be filled into the liquid storage cavity 102 through the filling pipe 105, so that the use is convenient.

The foregoing is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, and any modification, equivalent replacement, and improvement of some of the technical features described in the foregoing embodiments are all within the scope of the present utility model.

Claims

1. The hollow shaft magnetic fluid vacuum sealing device comprises an outer cylinder (1), and is characterized in that: the novel outer cylinder is characterized in that clamping grooves (101) are formed in the top and the bottom of one side outer wall of the outer cylinder (1), a shell (2) is arranged on the outer side of one side outer wall of the outer cylinder (1), a side ring (201) is welded on one side end face of the shell (2), limiting grooves (2011) are formed in the top and the bottom of the outer side wall of the side ring (201), a mounting assembly (3) is arranged in the limiting grooves (2011), and fixing assemblies (4) are arranged at the top and the bottom of the shell (2).

2. A hollow shaft magnetic fluid vacuum sealing device according to claim 1, wherein: the novel liquid storage device is characterized in that a liquid storage cavity (102) is formed in one side of the inner portion of the outer cylinder (1), spacer rings (103) are uniformly arranged in the liquid storage cavity (102) at intervals along the horizontal direction, a magnetic ring (104) is arranged on one side of the spacer rings (103), and a filling pipe (105) is arranged on one side of the top of the liquid storage cavity (102).

3. A hollow shaft magnetic fluid vacuum sealing device according to claim 2, wherein: the cooling device is characterized in that a cooling groove (106) is formed in the outer side of the liquid storage cavity (102), a liquid inlet pipe (1061) is arranged on one side of the top of the cooling groove (106), a liquid outlet pipe (1062) is arranged on the other side of the bottom of the cooling groove (106), and an inner cylinder (107) is arranged in the outer cylinder (1).

4. A hollow shaft magnetic fluid vacuum sealing device according to claim 1, wherein: the outer side wall of the side ring (201) is adhered with a first sealing ring (202), the inner side wall of the shell (2) is adhered with a second sealing ring (203), and a butt joint barrel (204) is arranged in the shell (2).

5. A hollow shaft magnetic fluid vacuum sealing device according to claim 1, wherein: the mounting assembly (3) comprises a moving plate (301) and a pressing block (302), wherein the pressing block (302) is welded on one side of the outer side wall of the moving plate (301), and a limiting block (303) is welded on the edge of the other side of the outer side wall of the moving plate (301).

6. The hollow shaft magnetic fluid vacuum sealing device according to claim 5, wherein: a connecting rod (304) is welded on one side of the bottom of the moving plate (301), and the other end of the connecting rod (304) penetrates through a through hole on the upper surface of the fixed plate (306) to be connected with the limiting plate (307).

7. The hollow shaft magnetic fluid vacuum sealing device according to claim 6, wherein: the outer side of the outer wall of the connecting rod (304) is sleeved with a spring (305), and the spring (305) is positioned between the moving plate (301) and the fixed plate (306).

8. A hollow shaft magnetic fluid vacuum sealing device according to claim 1, wherein: the fixing assembly (4) comprises a rotating plate (401) and a threaded rod (402), the center of the inner side wall of the rotating plate (401) is welded with the threaded rod (402), and the other end of the threaded rod (402) penetrates through a threaded hole in the outer wall of the shell (2) to be connected with a bearing on the outer side wall of the pressing plate (403).