CN217482202U

CN217482202U - Mechanical seal assembly convenient to replace

Info

Publication number: CN217482202U
Application number: CN202221094695.0U
Authority: CN
Inventors: 明兴平; 杨宗迪; 吴波; 张霞
Original assignee: Zigong Chuanmi Environmental Protection Technology Co ltd
Current assignee: Zigong Chuanmi Environmental Protection Technology Co ltd
Priority date: 2022-05-09
Filing date: 2022-05-09
Publication date: 2022-09-23
Anticipated expiration: 2032-05-09

Abstract

The utility model discloses a mechanical sealing component convenient for replacement, which comprises a first pipe fitting, a limit strip, a limit mechanism and a limit rod, wherein the right end of the first pipe fitting is internally clamped and connected with a second pipe fitting of which the left end is in a convex structure; the limiting strips are fixedly connected to the outer wall of the right end of the first pipe fitting and the outer wall of the left end of the second pipe fitting respectively, the adjusting mechanism is arranged on the first pipe fitting and comprises connecting strips, a sealing gasket, a first connecting block, an installing piece, a second connecting block and an adjusting rod; the limiting mechanism is arranged on the mounting part and comprises a connecting groove, a spring and a limiting block; the limiting rod is connected to the outer wall of the left end of the second pipe fitting in an integrated mode in an up-and-down symmetrical mode. This convenient mechanical seal subassembly of changing, the position of being convenient for adjust the connecting strip seals up the pipe fitting junction, and the convenience is changed the connecting strip moreover, prevents simultaneously that seal assembly from breaking away from the pipe fitting.

Description

Mechanical seal assembly convenient to replace

Technical Field

The utility model relates to a mechanical seal subassembly technical field that is relevant specifically is a convenient mechanical seal subassembly of changing.

Background

The mechanical sealing assembly is widely applied, and machines on the market are various in types, including pipe fittings, rotating shafts and the like, so that the matched sealing assembly is also various in types, and the machines are sealed by the sealing assembly.

However, in a general mechanical seal assembly, it is inconvenient to adjust the position of the connecting strip to seal the joint of the pipe, and it is inconvenient to replace the connecting strip, and the seal assembly is easily separated from the pipe, so a mechanical seal assembly convenient to replace is proposed to solve the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a convenient mechanical seal subassembly of changing to solve most of mechanical seal subassemblies that propose in the above-mentioned background art, the position of the connecting strip of being not convenient for adjust seals the pipe fitting junction, and is inconvenient to change the connecting strip moreover, and the problem that sealing assembly breaks away from the pipe fitting easily is followed to the while.

In order to achieve the above object, the utility model provides a following technical scheme: a mechanical seal assembly convenient to replace comprises a first pipe fitting with a left side view longitudinal section in a circular ring structure, wherein a second pipe fitting with a left end in a convex structure is clamped and connected inside the right end of the first pipe fitting;

further comprising:

the limiting strips are respectively and fixedly connected to the outer wall of the right end of the first pipe fitting and the outer wall of the left end of the second pipe fitting, the adjusting mechanism is arranged on the first pipe fitting, and the adjusting mechanism comprises a connecting strip, a sealing gasket, a first connecting block, an installing piece, a second connecting block and an adjusting rod;

the limiting mechanism is arranged on the mounting part and comprises a connecting groove, a spring and a limiting block, wherein the connecting groove is formed in the outer end of the mounting part;

and the limiting rod is connected to the outer wall of the left end of the second pipe fitting in an integrated manner and is vertically symmetrical.

Preferably, the connecting strip is placed at the junction of first pipe fitting and second pipe fitting of longitudinal symmetry, and inlays on the inner wall of connecting strip and be connected with sealed the pad to the connecting strip is the arc structure with sealed left side vertical section of filling up, and the fixed connection of symmetry is on the outer wall of connecting strip around the first connecting block simultaneously.

Preferably, the mounting piece is clamped and connected in the hollow structure of the first connecting block, the mounting piece is integrally connected to the inner end of the second connecting block, and the outer end of the second connecting block is in threaded connection with the adjusting rod;

wherein, adjust the pole and rotate to be connected on the link, and the surface of adjusting the pole is two-way screw thread column structure to the left side looks at the link integration that longitudinal section is "L" font structure and connects in the upper end of bottom plate.

Preferably, the connecting strip is elevation structure on the second connecting block through second connecting block and installed part, and the inside fixedly connected with spring of the spread groove that sets up on the installed part, the outer end fixedly connected with stopper of spring, and the minimum shrink length sum of the thickness of stopper and spring equals with the degree of depth of spread groove.

Preferably, the gag lever post block is connected in the inside in spacing hole, and spacing hole is seted up in the inside of connecting strip and sealed pad, and wherein the length of connecting strip equals with the interval size between controlling two sets of spacing strips.

Compared with the prior art, the beneficial effects of the utility model are that: the mechanical sealing assembly convenient to replace is convenient to adjust the position of the connecting strip to seal the joint of the pipe fitting, is convenient to replace the connecting strip and simultaneously prevents the sealing assembly from being separated from the pipe fitting;

1. the adjusting mechanism is arranged, and the connecting strips and the second connecting blocks are structurally designed, so that when the adjusting rod rotates, the upper and lower groups of second connecting blocks slide towards the inner ends, the connecting strips which are symmetrically arranged up and down are driven by the mounting piece to move towards the inner ends until the sealing gasket is tightly attached to the joint of the first pipe fitting and the second pipe fitting, and the position of the connecting strips can be conveniently adjusted to seal the joint of the first pipe fitting and the second pipe fitting;

2. the limiting mechanism is arranged, the sum of the thickness of the limiting block and the minimum contraction length of the spring is equal to the depth of the connecting groove, the limiting block is pushed inwards to be completely inserted into the connecting groove, and the first connecting block clamped and connected to the mounting piece is separated, so that the connecting strip is convenient to replace;

3. be equipped with spacing and gag lever post, the length of connecting strip equals with the interval size of controlling between two sets of spacing, prevents that the connecting strip from producing the skew from the position on the first pipe fitting, and the gag lever post block is connected in the inside in spacing hole for the inside that the second pipe fitting can not follow first pipe fitting drops, thereby prevents that seal assembly from breaking away from the pipe fitting.

Drawings

FIG. 1 is a schematic view of the front cross-sectional structure of the present invention;

fig. 2 is a schematic view of a left side view cross-sectional structure of the connection between the second connecting block and the first connecting block of the present invention;

FIG. 3 is a schematic view of the left side view section structure of the connection between the connecting groove and the limiting block of the present invention;

fig. 4 is a schematic view of the front-view section structure of the connection between the limiting strip and the first pipe.

In the figure: 1. a first pipe member; 2. a second pipe member; 3. a limiting strip; 4. an adjustment mechanism; 401. a connecting strip; 402. a gasket; 403. a first connection block; 404. a mounting member; 405. a second connecting block; 406. adjusting a rod; 5. a limiting mechanism; 501. connecting grooves; 502. a spring; 503. a limiting block; 6. a connecting frame; 7. a base plate; 8. a limiting rod; 9. and a limiting hole.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person skilled in the art without creative work belong to the scope of protection of the present invention based on the embodiments of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a mechanical seal assembly convenient to replace comprises a first pipe fitting 1, a second pipe fitting 2, a limiting strip 3, an adjusting mechanism 4, a limiting mechanism 5, a connecting frame 6, a bottom plate 7, a limiting rod 8 and a limiting hole 9, when the mechanical seal assembly convenient to replace is used, the position of a connecting strip 401 is limited through a structure formed by a connecting groove 501, a spring 502 and a limiting block 503 by combining a figure 2, a figure 3 and a figure 4, the spring 502 is fixedly connected inside the connecting groove 501, the limiting block 503 is fixedly connected to the outer end of the spring 502, and the sum of the thickness of the limiting block 503 and the minimum contraction length of the spring 502 is equal to the depth of the connecting groove 501;

therefore, the limiting block 503 is pushed to the inner end to slide in the connecting groove 501, the spring 502 is contracted to the minimum state, the limiting block 503 completely enters the connecting groove 501, the connecting strip 401 is pulled to the outer end until the first connecting block 403 is separated from the mounting part 404, the connecting strip 401 is detached from the second connecting block 405, new connecting strips 401 are respectively placed at the upper side and the lower side of the connecting part of the first pipe fitting 1 and the second pipe fitting 2, the first connecting blocks 403 which are symmetrically arranged in the front-back direction are clamped and connected on the mounting part 404 at the corresponding position, the limiting block 503 is driven by the spring 502 to move to the outer end, the first connecting block is prevented from falling off from the mounting part 404 by the spring 502 and the limiting block 503, and therefore the connecting strip 401 is convenient to replace;

with reference to fig. 1 and 2, the sealing element is installed at the joint of the first pipe 1 and the second pipe 2 through a structure consisting of the connecting strip 401, the sealing gasket 402, the first connecting block 403, the mounting member 404, the second connecting block 405 and the adjusting rod 406, because the first connecting block 403 is fixedly connected to the outer wall of the connecting strip 401 in a front-back symmetrical manner, the outer surface of the adjusting rod 406 is in a bidirectional threaded structure, and the connecting strip 401 is in a lifting structure on the second connecting block 405 through the second connecting block 405 and the mounting member 404;

therefore, the left end of the second pipe fitting 2 is clamped and connected inside the right end of the first pipe fitting 1, the front and rear adjusting rods 406 are rotated to rotate on the connecting frame 6 and the bottom plate 7, the second connecting blocks 405 which are symmetrically arranged up and down move inwards on the adjusting rods 406 when the adjusting rods 406 rotate, the upper and lower connecting strips 401 move inwards through the first connecting blocks 403 until the inner wall of the sealing gasket 402 with the arc-shaped longitudinal section in the side view from the left tightly abuts against the outer wall of the joint of the first pipe fitting 1 and the second pipe fitting 2, and therefore the joint of the first pipe fitting 1 and the second pipe fitting 2 can be conveniently sealed by adjusting the position of the connecting strips 401;

combine fig. 1, fig. 2 and fig. 4, because the inside at spacing hole 9 is connected to gag lever post 8 block, the length of connecting strip 401 equals with the interval size of controlling between two sets of spacing strips 3, the integration of gag lever post 8 longitudinal symmetry is connected on the left end outer wall of second pipe fitting 2, consequently, when upper and lower two sets of connecting strip 401 removed to the inner end, let connecting strip 401 and the inside spacing hole 9 block of seting up of sealed pad 402 right-hand member connect on gag lever post 8, when connecting strip 401 that sets up as longitudinal symmetry encircles the junction at first pipe fitting 1 and second pipe fitting 2, let both ends support respectively on the inner wall of left spacing strip 3 and right side spacing strip 3 about connecting strip 401, thereby prevent that seal assembly breaks away from on first pipe fitting 1 and second pipe fitting 2, this is exactly the theory of operation of the mechanical seal assembly who conveniently changes.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connected mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt among the prior art, and conventional model, including the conventional connected mode among the circuit connection adoption prior art, and the details are not repeated here, and the content that does not make detailed description in this description belongs to the prior art that skilled person in the art knows.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A mechanical seal assembly convenient to replace comprises a first pipe fitting (1) with a left side view and a longitudinal section in a circular ring structure, wherein a second pipe fitting (2) with a left end in a convex structure is clamped and connected inside the right end of the first pipe fitting (1);

it is characterized by also comprising:

the limiting device comprises limiting strips (3), wherein the limiting strips (3) are respectively and fixedly connected to the outer wall of the right end of the first pipe fitting (1) and the outer wall of the left end of the second pipe fitting (2), an adjusting mechanism (4) is arranged on the first pipe fitting (1), and the adjusting mechanism (4) comprises a connecting strip (401), a sealing gasket (402), a first connecting block (403), a mounting piece (404), a second connecting block (405) and an adjusting rod (406);

the limiting mechanism (5) is arranged on the mounting piece (404), the limiting mechanism (5) comprises a connecting groove (501), a spring (502) and a limiting block (503), and the connecting groove (501) is formed in the outer end of the mounting piece (404);

the limiting rod (8), the limiting rod (8) is connected to the outer wall of the left end of the second pipe fitting (2) in an integrated mode, and the limiting rod is vertically symmetrical.

2. A mechanical seal assembly to facilitate replacement according to claim 1, wherein: the connecting strip (401) is placed at the junction of first pipe fitting (1) and second pipe fitting (2) of longitudinal symmetry, and inlays on the inner wall of connecting strip (401) and be connected with sealed pad (402) to the longitudinal section is arc structure is looked with the left side of sealed pad (402) in connecting strip (401), and the fixed connection of symmetry around first connecting block (403) simultaneously is on the outer wall of connecting strip (401).

3. A mechanical seal assembly to facilitate replacement according to claim 2, wherein: the mounting piece (404) is connected in the hollow structure of the first connecting block (403) in a clamping mode, the mounting piece (404) is integrally connected to the inner end of the second connecting block (405), and the outer end of the second connecting block (405) is connected with the adjusting rod (406) in a threaded mode;

the adjusting rod (406) is rotatably connected to the connecting frame (6), the outer surface of the adjusting rod (406) is of a bidirectional thread structure, and the connecting frame (6) with the L-shaped longitudinal section is integrally connected to the upper end of the bottom plate (7) from the left side.

4. A mechanical seal assembly to facilitate replacement according to claim 3, wherein: connecting strip (401) are elevation structure on second connecting block (405) through second connecting block (405) and installed part (404), and the inside fixedly connected with spring (502) of connecting groove (501) that sets up on installed part (404), the outer end fixedly connected with stopper (503) of spring (502), and the thickness of stopper (503) and the minimum shrink length sum of spring (502) are equal with the degree of depth of connecting groove (501).

5. A mechanical seal assembly to facilitate replacement according to claim 1, wherein: gag lever post (8) block is connected in the inside of spacing hole (9), and just spacing hole (9) are seted up in the inside of connecting strip (401) and sealed pad (402), and wherein the length of connecting strip (401) equals with the interval size between controlling two sets of spacing (3).