CN219755633U - Anti-slip mechanical sealing element - Google Patents

Abstract

The utility model relates to an anti-slip mechanical sealing element which comprises an upper shell, a lower shell and two connecting pipes, wherein two fixing plates are fixedly connected to the outer side of the upper shell, two mounting plates are fixedly connected to the outer side of the lower shell, an adjusting assembly is arranged on the lower shell, and a fixing assembly is arranged on the lower shell. The adjusting component comprises a rotating rod which is connected with the inside of the mounting plate in a sliding manner, a spring is sleeved on the outer side of the rotating rod, connecting rings are fixedly connected to the two ends of the spring, and a handle is fixedly connected to the outer side of the rotating rod. This mechanical seal that skids is prevented, through setting up adjusting part, twist the bull stick and make the contact space between lower casing and the last casing constantly reduce, effectually improved the device's adjustability, realize that sealing member is difficult for droing after long-time the use to the pipeline, and fluid is difficult for leaking from the clearance, long service life improves the practicality of device.

Description

Anti-slip mechanical sealing element

Technical Field

The utility model relates to the technical field of mechanical sealing elements, in particular to an anti-slip mechanical sealing element.

Background

The mechanical sealing element belongs to one of precise mechanical basic elements with a complex structure, is a key component of various pumps, reaction synthesis kettles, turbine compressors, submersible motors and other equipment, and the service life and sealing performance of the mechanical sealing element can be greatly improved by correctly installing and using the mechanical sealing element.

For example, publication No. CN212360780U, an anti-vibration mechanical seal is proposed, which comprises a housing seal cavity and a mechanical shaft, wherein a gland is fixedly connected to one side of the housing seal cavity through a bolt, it can reduce the influence of axial play and radial runout of the mechanical shaft on the sealing performance of the mechanical seal, and the radial runout of the mechanical shaft is compensated by a compensation ring.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides an anti-slip mechanical sealing element which has the advantages of convenient adjustment and the like, and solves the problems that a lower shell and an upper shell are inconvenient to adjust according to needs, the sealing element is easy to fall off after being used for a long time for a pipeline, fluid is easy to leak from a gap, and the service life is short.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the anti-slip mechanical sealing element comprises an upper shell, a lower shell and two connecting pipes, wherein two fixing plates are fixedly connected to the outer side of the upper shell, two mounting plates are fixedly connected to the outer side of the lower shell, an adjusting assembly is arranged on the lower shell, and a fixing assembly is arranged on the lower shell;

the adjusting component comprises a rotating rod which is connected with the inside of the mounting plate in a sliding manner, a spring is sleeved on the outer side of the rotating rod, connecting rings are fixedly connected to the two ends of the spring, a handle is fixedly connected to the outer side of the rotating rod, and a limiting ring is connected to the outer side of the rotating rod in a threaded manner.

Further, fixed subassembly includes the fixed block, the outside sliding connection of connecting pipe has the sealing block, the inside of sealing block is provided with the sealing washer that is two in quantity, the inside sliding connection of fixed block has the bolt that is two in quantity, the interior bottom wall fixedly connected with stopper that is two in quantity of lower casing.

Further, the rolling grooves are formed in one sides, opposite to each other, of the two connecting rings, and balls are connected in the rolling grooves in a rolling mode.

Further, an annular groove is formed in the top of the lower shell, and a second threaded through hole in threaded connection with the rotating rod is formed in the limiting ring.

Further, the outside of bull stick has seted up the screw thread, the inside of fixed plate has seted up the first screw thread through-hole with bull stick threaded connection.

Further, the inside of mounting panel is offered and is had the activity through-hole with bull stick size looks adaptation, the spacing groove that quantity is two and with stopper size looks adaptation is offered to the bottom of sealing block.

Further, the top of sealing block has offered the screw thread groove that is two and with bolt threaded connection.

Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:

1. this mechanical seal that skids is prevented, through setting up adjusting part, twist the bull stick and make the contact space between lower casing and the last casing constantly reduce, effectually improved the device's adjustability, realize that sealing member is difficult for droing after long-time the use to the pipeline, and fluid is difficult for leaking from the clearance, long service life improves the practicality of device.

2. This mechanical seal spare that skids is prevented, through setting up fixed subassembly, the sealing washer is provided with upper and lower two, has improved holistic sealed effect, and can dismantle the sealing block through the bolt to be convenient for dismantle and change the sealing washer, increase the practicality of device.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged view of the structure of FIG. 1A according to the present utility model;

FIG. 3 is a schematic diagram of the structure of the present utility model.

In the figure: 1 an upper shell, 2 a lower shell, 3 a connecting pipe, 4 a fixed plate, 5 a mounting plate, 6 a rotating rod, 7 a limiting ring, 8 a spring, 9 a handle, 10 a sealing block, 11 a fixed block, 12 a sealing ring, 13 bolts, 14 a limiting block, 15 a connecting ring and 16 balls.

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment one: referring to fig. 1-3, an anti-slip mechanical seal in this embodiment includes an upper housing 1, a lower housing 2, and two connecting pipes 3, where the outer side of the upper housing 1 is fixedly connected with two fixing plates 4, the outer side of the lower housing 2 is fixedly connected with two mounting plates 5, the lower housing 2 is provided with an adjusting assembly, and the lower housing 2 is provided with a fixing assembly.

In this embodiment, adjusting part includes the inside sliding connection with mounting panel 5 has bull stick 6, the screw thread has been seted up in the outside of bull stick 6, the first screw thread through-hole with bull stick 6 threaded connection has been seted up to the inside of fixed plate 4, the movable through-hole with bull stick 6 size looks adaptation has been seted up to the inside of mounting panel 5, spring 8 has been cup jointed in the outside of bull stick 6, the equal fixedly connected with go-between 15 in both ends of spring 8, the rolling groove has all been seted up to one side that two go-between 15 are opposite to, rolling groove inside roll connection has ball 16, the outside fixedly connected with handle 9 of bull stick 6, the outside threaded connection of bull stick 6 has stop collar 7, the ring channel has been seted up at the top of lower casing 2, the second screw thread through-hole with bull stick 6 threaded connection has been seted up to the inside of stop collar 7.

It should be noted that, through setting up adjusting part, twist the bull stick 6 and make the contact space between lower casing 2 and the last casing 1 constantly reduce, effectually improved the device's adjustability, realize that sealing member is difficult for droing after long-time use to the pipeline, and the fluid is difficult for leaking from the clearance, long service life improves the practicality of device.

Embodiment two: referring to fig. 1, on the basis of the first embodiment, the fixing assembly includes a fixing block 11, a sealing block 10 is slidably connected to the outer side of the connecting pipe 3, two sealing rings 12 are provided in the sealing block 10, two bolts 13 are slidably connected to the inner side of the fixing block 11, two limiting blocks 14 are fixedly connected to the inner bottom wall of the lower housing 2, two screw grooves which are in threaded connection with the bolts 13 are provided at the top of the sealing block 10, and two limiting grooves which are in size fit with the limiting blocks 14 are provided at the bottom of the sealing block 10.

The screws are arranged on the left side and the right side of the lower shell 2, the lower shell 2 is connected with the connecting pipe 3 through the screws, and the screws can lock the position of the lower shell 2, so that slipping of the mechanical sealing element in the use process is prevented.

It should be noted that, through setting up fixed subassembly, sealing washer 12 is provided with upper and lower two, has improved holistic sealed effect, and can dismantle sealing block 10 through bolt 13 to be convenient for dismantle and change sealing washer 12, increase the practicality of device.

The working principle of the embodiment is as follows:

this anti-slip mechanical seal spare, when the staff who is correlated with is when using still sealing member, place the lower extreme of going up casing 1 in the ring channel at casing 2 top down, exert pressure to connecting pipe 3 through last casing 1 and casing 2 down stability, make closely link to each other between two connecting pipes 3, seal the junction through sealing washer 12 and sealing block 10 between two connecting pipes 3, when softening or ageing between two connecting pipes 3, make and extrude between last casing 1 and the casing 2 down through spring 8, effectually improve the leakproofness, grasp handle 9 and rotate, roll through the ball 16 of go-between 15 outer end, reduce the manpower consumption, be convenient for manual regulation and go up the casing 1 and the distance between the casing 2 down, better improvement leakproofness, prevent the fluid leakage, it can realize that the sealing member is difficult for droing after long-time use to the pipeline, fluid is difficult for leaking from the clearance, dismantle between fixed block 11 and sealing washer 10 through bolt 13, make things convenient for sealing washer 12 to dismantle, and then can change the sealing washer 12 after wearing and tearing.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a mechanical seal that prevents skidding, includes casing (1), lower casing (2) and connecting pipe (3) that quantity is two, its characterized in that: the outer side of the upper shell (1) is fixedly connected with two fixing plates (4), the outer side of the lower shell (2) is fixedly connected with two mounting plates (5), the lower shell (2) is provided with an adjusting component, and the lower shell (2) is provided with a fixing component;

the adjusting component comprises a rotating rod (6) which is connected with the inside of the mounting plate (5) in a sliding mode, a spring (8) is sleeved on the outer side of the rotating rod (6), connecting rings (15) are fixedly connected to the two ends of the spring (8), a handle (9) is fixedly connected to the outer side of the rotating rod (6), and a limiting ring (7) is connected to the outer side of the rotating rod (6) in a threaded mode.

2. An anti-slip mechanical seal according to claim 1, wherein: the fixing assembly comprises a fixing block (11), a sealing block (10) is slidably connected to the outer side of the connecting pipe (3), two sealing rings (12) are arranged in the sealing block (10), two bolts (13) are slidably connected to the inner side of the fixing block (11), and two limiting blocks (14) are fixedly connected to the inner bottom wall of the lower shell (2).

3. An anti-slip mechanical seal according to claim 1, wherein: the two connecting rings (15) are provided with rolling grooves on one sides opposite to each other, and balls (16) are connected in the rolling grooves in a rolling mode.

4. An anti-slip mechanical seal according to claim 1, wherein: an annular groove is formed in the top of the lower shell (2), and a second threaded through hole in threaded connection with the rotating rod (6) is formed in the limiting ring (7).

5. An anti-slip mechanical seal according to claim 1, wherein: the outside of bull stick (6) is seted up the screw thread, the inside of fixed plate (4) is seted up and is connected with bull stick (6) threaded first screw thread through-hole.

6. An anti-slip mechanical seal according to claim 2, wherein: the inside of mounting panel (5) is offered and is had the activity through-hole with bull stick (6) size looks adaptation, limit groove that quantity is two and with stopper (14) size looks adaptation is offered to the bottom of sealing block (10).

7. An anti-slip mechanical seal according to claim 2, wherein: the top of the sealing block (10) is provided with two screw grooves which are in threaded connection with the bolts (13).