CN220581478U

CN220581478U - Mechanical sealing element

Info

Publication number: CN220581478U
Application number: CN202322335321.4U
Authority: CN
Inventors: 周彦君; 吴翠翠; 孙佳; 张富程
Original assignee: Youshifeng Yantai Sealing Technology Co ltd
Current assignee: Youshifeng Yantai Sealing Technology Co ltd
Priority date: 2023-08-29
Filing date: 2023-08-29
Publication date: 2024-03-12
Anticipated expiration: 2033-08-29

Abstract

The utility model discloses a mechanical sealing piece, which comprises a sealing cylinder, wherein fixing plates are arranged at two ends of the sealing cylinder, four screws are connected between the two fixing plates, bolts are connected at two ends of the four screws in a threaded manner, a positioning plate is connected to one side surface of the fixing plate, a connecting rod is installed in the positioning plate in a sliding penetrating manner, mounting frames are installed at two ends of the connecting rod, hexagonal blocks are installed at one sides of the two mounting frames, the hexagonal blocks are sleeved on the bolts, and a baffle is installed on one side plate, close to the connecting rod, of the positioning plate in a sliding penetrating manner. When limiting the bolts, the pull rod is pushed inwards to drive the connecting rod to enable the two hexagonal blocks to be sleeved on the corresponding bolts, the bolts are limited through the hexagonal blocks, the bolts are prevented from being affected by vibration to rotate and loose in the using process, the using safety of the device is further improved, the loose bolts are prevented from being accelerated to be damaged due to abrasion of the device, the service life of the device is prolonged, and the frequency and cost of maintenance work are reduced.

Description

Mechanical sealing element

Technical Field

The utility model relates to the technical field of mechanical sealing elements, in particular to a mechanical sealing element.

Background

The ventilating duct is a metal or composite pipeline for ventilation and air conditioning engineering of industrial and civil buildings, is a municipal infrastructure for reducing the concentration of harmful gases, is mainly applied to industrial and building engineering, and because the air pipes are mostly designed in a sectional mode, the air pipes are required to be butted to form a unified whole when in use, and in order to seal the joints of the air pipes, a mechanical sealing element is required, and the sealing element is connected between two air pipes, so that the sealing cylinder seals the air pipes to ensure the ventilation;

the Chinese patent discloses a mechanical sealing element (publication No. CN 216280031U), wherein an air pipe of the device is connected with a fixed sleeve, fixed discs are arranged at two corresponding end positions of one end of the fixed sleeve and a sealing cylinder, and then the fixed discs are connected by using a screw rod and a bolt.

Disclosure of Invention

The utility model aims to solve the defect that a bolt at the joint of a sealing cylinder and an air pipe in the prior art can loosen, and provides a mechanical sealing element.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a mechanical seal spare, including a sealing section of thick bamboo, the fixed disk is all installed at the both ends of a sealing section of thick bamboo, be connected with four screws between two fixed disks, and the equal threaded connection in both ends of four screws has the bolt, a side of fixed disk is connected with the locating plate, the inside slip of locating plate runs through and installs the connecting rod, the installing frame is all installed at the both ends of connecting rod, hexagonal piece is all installed to one side of two installing frames, hexagonal piece cup joints on the bolt, a side that the locating plate is close to the connecting rod slides and runs through and install the baffle, the connecting rod contacts with a side that the baffle corresponds, the mounting box is installed to a side of locating plate, be connected with two springs between mounting box and the baffle, horizontal sliding installs the frame that draws on the mounting box, the both ends of drawing the frame are connected with one side of baffle.

Preferably, the two ends of the sealing cylinder are connected with fixing sleeves through fixing discs, and the air pipes are horizontally and penetratingly arranged on one sides, far away from each other, of the two fixing sleeves.

Preferably, the connecting groove is formed in the positioning plate, and the connecting rod is vertically and slidably arranged in the connecting groove.

Preferably, the two ends of the connecting rod are fixedly sleeved with limiting blocks, and one side surface corresponding to the two limiting blocks is contacted with two sides of the positioning plate.

Preferably, the inner ring of the hexagonal block is provided with a hexagonal groove, and the hexagonal groove is connected with a bolt.

Preferably, a side face of the connecting rod is connected with a pull rod, the pull rod horizontally penetrates through a side plate of the locating plate and extends out of the locating plate, a yielding hole is formed in the baffle, and the pull rod is located in the yielding hole.

The utility model has the following beneficial effects:

1. under the cooperation of the connecting rod and the hexagonal blocks, the connecting rod is pushed inwards to drive the connecting rod to enable the two hexagonal blocks to be sleeved on the corresponding bolts when the bolts are limited, the bolts are limited through the hexagonal blocks, and are prevented from being influenced by vibration to rotate and loose in the using process, so that the using safety of the device is improved, the loose bolts are prevented from being damaged due to the fact that the abrasion of the device is accelerated, the service life of the device is prolonged, and the frequency and cost of maintenance work are reduced;

2. under the cooperation of baffle and spring, can move to inboard push baffle through the spring when spacing to the bolt through the hexagonal piece, make the baffle get into the spread groove and touch with one side of connecting rod mutually, it is spacing to the connecting rod to contradict through the baffle this moment, can prevent that the connecting rod from sliding to the outside, the simple operation uses comparatively conveniently, can be convenient spacing to the connecting rod, and then has increased the practicality of this device.

Drawings

FIG. 1 is a schematic perspective view of a mechanical seal according to the present utility model;

FIG. 2 is a schematic diagram of a right-hand view of a mechanical seal where a fixed disk and a positioning plate are connected;

FIG. 3 is a schematic view of an explosion structure of a connection between a positioning plate and a mounting box of a mechanical seal according to the present utility model;

fig. 4 is a schematic cross-sectional view of a positioning plate of a mechanical seal according to the present utility model.

In the figure: 1. a sealing cylinder; 101. a fixed sleeve; 102. an air duct; 2. a fixed plate; 3. a screw; 4. a bolt; 5. a positioning plate; 501. a connecting groove; 6. a connecting rod; 601. a limiting block; 7. a mounting frame; 8. hexagonal blocks; 9. a pull rod; 10. a baffle; 11. a mounting box; 12. a spring; 13. and (5) pulling the frame.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-4, a mechanical sealing member comprises a sealing cylinder 1, two ends of the sealing cylinder 1 are connected with a fixing sleeve 101 through a fixing disc 2, one side, away from each other, of the two fixing sleeves 101 is horizontally and penetratingly provided with an air pipe 102, two ends of the sealing cylinder 1 are respectively provided with the fixing disc 2, four screws 3 are connected between the two fixing discs 2, two ends of the four screws 3 are respectively and spirally connected with a bolt 4, one side of the fixing disc 2 is connected with a positioning plate 5, the inside of the positioning plate 5 is slidably and penetratingly provided with a connecting rod 6, two ends of the connecting rod 6 are fixedly sleeved with limiting blocks 601, one side corresponding to the two limiting blocks 601 is contacted with two sides of the positioning plate 5 in a connecting groove 501 in a sliding manner, one side of the connecting rod 6 is connected with a pull rod 9, the connecting rod 6 can be conveniently moved through the arranged pull rod 9, the pull rod 9 horizontally penetrates through one side plate of the positioning plate 5 and extends to the outside of the positioning plate 5, the baffle 10 is provided with a yielding hole, the pull rod 9 is positioned in the yielding hole, the situation that the pull rod 9 is incapable of limiting due to collision when the baffle 10 limits the connecting rod 6 can be avoided through the arranged yielding hole, the two ends of the connecting rod 6 are respectively provided with the mounting frames 7, one side of each of the two mounting frames 7 is provided with the hexagonal block 8, the inner ring of each hexagonal block 8 is provided with the hexagonal groove, the bolt 4 is connected in the hexagonal groove, the hexagonal block 8 is sleeved on the bolt 4, one side plate of the positioning plate 5 close to the connecting rod 6 is slidably penetrated and provided with the baffle 10, one side surface of the connecting rod 6 corresponding to the baffle 10 is contacted with the mounting box 11, two springs 12 are connected between the mounting box 11 and the baffle 10, the mounting box 11 is horizontally slidably provided with the pull frame 13, both ends of the pull frame 13 are connected to one side of the baffle 10.

The application method and the advantages of the utility model are as follows: when the mechanical sealing element is used, the working process is as follows:

as shown in fig. 1, fig. 2, fig. 3 and fig. 4, when the mechanical sealing element is used, two fixing sleeves 101 are installed on one end of an air pipe 102, then a sealing cylinder 1 is installed between the two fixing sleeves 101 through a fixing disc 2, four screws 3 penetrate through the corresponding fixing disc 2, after the fixing disc is screwed and fixed through bolts 4, a pull frame 13 is pulled outwards to drive a baffle 10 to move out of a connecting groove 501 and compress a spring 12, at the moment, a pull rod 9 is pushed inwards to drive a connecting rod 6 to horizontally move in the connecting groove 501 under the limiting effect of a limiting block 601, and two installation frames 7 are driven until two hexagonal blocks 8 are sleeved on the corresponding bolts 4, at the moment, the pull frame 13 is loosened, the baffle 10 can be pushed inwards under the effect of the spring 12 to move, so that the baffle 10 penetrates through one side plate of a locating plate 5 and enters into the connecting groove 501 to be contacted with one side surface of the connecting rod 6, at the moment, the baffle 10 is abutted to limit the connecting rod 6, the baffle 6 is prevented from sliding outwards, and the limit of the hexagonal block 8 to the bolts 4 is further completed, and the vibration of the safety device is prevented from being influenced by the loosening and rotating in the using process.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. A mechanical seal comprising a sealing cylinder (1), characterized in that: the utility model discloses a sealing device for a motor vehicle, including sealing tube (1), fixing disk (2), two all install at both ends of sealing tube (1) fixed disk (2), two be connected with four screw rods (3) between fixed disk (2), and four equal threaded connection in both ends of screw rod (3) has bolt (4), a side of fixed disk (2) is connected with locating plate (5), connecting rod (6) are installed in inside slip run-through of locating plate (5), installing frame (7) are all installed at the both ends of connecting rod (6), two hexagonal piece (8) are all installed to one side of installing frame (7), hexagonal piece (8) cup joint on bolt (4), a side board slip run-through that locating plate (5) is close to connecting rod (6) installs baffle (10), a side that connecting rod (6) corresponds with baffle (10) touches, install mounting box (11) are installed to a side of locating plate (5), be connected with two springs (12) between mounting box (11) and baffle (10), horizontal sliding installation frame (13) are gone up in mounting box (11), one side of drawing frame (13).

2. A mechanical seal according to claim 1, wherein: the two ends of the sealing cylinder (1) are connected with fixing sleeves (101) through fixing plates (2), and air pipes (102) are horizontally and penetratingly arranged on one sides, far away from each other, of the fixing sleeves (101).

3. A mechanical seal according to claim 1, wherein: the inside of locating plate (5) has offered spread groove (501), connecting rod (6) vertical slidable mounting is in spread groove (501).

4. A mechanical seal according to claim 1, wherein: limiting blocks (601) are fixedly sleeved at two ends of the connecting rod (6), and one side surface corresponding to each limiting block (601) is contacted with two sides of the locating plate (5).

5. A mechanical seal according to claim 1, wherein: the inner ring of the hexagonal block (8) is provided with a hexagonal groove, and the bolt (4) is connected in the hexagonal groove.

6. A mechanical seal according to claim 1, wherein: a pull rod (9) is connected to one side of the connecting rod (6), the pull rod (9) horizontally penetrates through one side plate of the locating plate (5) and extends out of the locating plate (5), a yielding hole is formed in the baffle (10), and the pull rod (9) is located in the yielding hole.