CN220102039U

CN220102039U - Mechanical sealing element convenient to maintain

Info

Publication number: CN220102039U
Application number: CN202320670919.6U
Authority: CN
Inventors: 陈龙刚; 肖建建; 谢桂秀
Original assignee: Jiangsu Zinzhi Technology Seals Co ltd
Current assignee: Jiangsu Zinzhi Technology Seals Co ltd
Priority date: 2023-03-30
Filing date: 2023-03-30
Publication date: 2023-11-28
Anticipated expiration: 2033-03-30

Abstract

The utility model relates to a mechanical sealing element convenient to maintain, which comprises a base, wherein a placing groove is formed in the upper end of the base, a connecting plate is placed on the inner side of the placing groove, a screw rod with one end extending to the inside of the base is rotatably connected inside the connecting plate, a stop block is fixedly connected on the outer side of the screw rod, a supporting ring is fixedly connected on the upper end of the connecting plate, a connecting assembly is arranged on the inner side of the supporting ring, and the connecting assembly comprises a connecting ring with one end penetrating through the connecting plate and fixedly connected with the inner side of the supporting ring. This mechanical seal spare convenient maintenance, through the cooperation of holding rod and extrusion piece, the rotatory swivel becket of holding rod drives extrusion piece extrusion bracing piece, can fix the mechanical seal spare that needs to maintain the detection of placing in the go-between, and extend to the inside stopper of holding ring and can restrict swivel becket reverse rotation, and can loosen through pull rod pulling stopper and take off the mechanical seal spare that detects the completion to accomplish and maintain the detection, improve the convenience when detecting.

Description

Mechanical sealing element convenient to maintain

Technical Field

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

Background

The mechanical sealing member belongs to one of precise and complex mechanical basic elements, is a key component of various pumps, reaction synthesis kettles, turbine compressors, submersible motors and other equipment, the sealing performance and the service life of the mechanical sealing member depend on a plurality of factors, such as selection, precision of a machine, correct installation and use and the like, and in order to prolong the service life of the mechanical sealing member as far as possible, maintenance and detection of product quality are generally required.

The utility model discloses a mechanical sealing element convenient to detach, which comprises a detection base and a fixed ring, wherein the side wall of the detection base is provided with a mounting groove, the side wall of the detection base is provided with two clamping grooves communicated with the mounting groove, the two clamping grooves are symmetrically arranged, the detection base is connected with the fixed ring through a clamping mechanism, the side wall of the detection base is provided with a pulling opening communicated with the clamping grooves, and the mechanical sealing element can be stably fixed under the mutual cooperation of the fixed ring, a clamping plate, a wedge-shaped plate, a clamping telescopic rod, a pulling rod, a connecting rod, a linkage plate, a buffer telescopic rod, a fixed threaded rod, a fastening table, a fastening plate, a limiting telescopic rod and a movable plate, so that the mechanical sealing element is convenient to detect, and the accuracy of the detection result of the mechanical sealing element is improved.

However, in the above application, when the mechanical seal is fixed and detected, the mechanical seal needs to be fixed in the fixing ring, and when the fixing ring fixed with the mechanical seal is fixed on the wedge plate, two fixing steps are needed, so that the mechanical seal is not convenient enough when being maintained and detected, and the convenience when being detected is reduced, and therefore, the mechanical seal convenient to maintain is provided to solve the above problems.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the mechanical sealing element convenient to maintain, has the advantages of more convenient maintenance and detection, and solves the problem of insufficient convenience in maintenance and detection.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a mechanical seal spare convenient maintenance, includes the base, the standing groove has been seted up to the upper end of base, the connecting plate has been placed to the standing groove inboard, the inside screw rod that is connected with one end extension to the base that rotates of connecting plate, the outside fixedly connected with dog of screw rod, the upper end fixedly connected with supporting ring of connecting plate, the inboard of supporting ring is provided with coupling assembling.

The connecting assembly comprises a connecting ring, one end of the connecting ring penetrates through the connecting plate and is fixedly connected with the inner side of the supporting ring, the upper end of the supporting ring is rotationally connected with a rotating ring located on the outer side of the connecting ring, the inner side of the rotating ring is fixedly connected with an extrusion block, one end of the inner side of the rotating ring is connected with a supporting rod which penetrates through and extends to the inner side of the connecting ring in a sliding mode, one end of the supporting rod located on the inner side of the connecting ring is fixedly connected with a supporting block, a spring is fixedly connected between the supporting block and the inner side of the connecting ring, the outer side of the rotating ring is provided with a limiting assembly, and the outer side of the rotating ring is fixedly connected with a holding rod.

Further, the extrusion blocks are triangular, the number of the extrusion blocks is four, and the four extrusion blocks are distributed on the inner side of the rotating ring at equal intervals in an annular mode.

Further, the supporting block is arc-shaped, the number of holding rods is a plurality of, and the holding rods are distributed on the outer side of the rotating ring at equal intervals in an annular mode.

Further, the spacing subassembly includes the articulated piece of one end and the outside fixed connection of swivel becket, the inboard rotation of articulated piece is connected with the swivel becket, the inboard fixedly connected with one end of swivel becket extends to the inside stopper of holding ring, the outside fixedly connected with pull rod of swivel becket.

Further, the inside of the hinge block is rotationally connected with the rotating block through a rotating shaft, and a torsion spring is arranged between the outside of the rotating block and the inside of the hinge block.

Further, the number of the rotating blocks is two, the two rotating blocks are distributed in a bilateral symmetry mode, one end of each limiting block extending to the inside of the supporting ring is inclined, and a limiting groove located at the outer side of each limiting block is formed in the outer side of each supporting ring.

Further, the lower end fixedly connected with one end of the rotating ring extends to the slider inside the support ring, the upper end of the support ring is provided with a chute, the chute is in sliding connection with the slider, the slider is T-shaped, and the chute is in annular distribution.

Further, a thread groove with one end communicated with the placing groove is formed in the base, and the thread groove is matched with threads on the outer side of the screw rod.

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

1. this mechanical seal spare convenient maintenance, through the cooperation of holding rod and extrusion piece, the rotatory swivel becket of holding rod drives extrusion piece extrusion bracing piece, can fix the mechanical seal spare that needs to maintain the detection of placing in the go-between, and extend to the inside stopper of holding ring and can restrict swivel becket reverse rotation, and can loosen through pull rod pulling stopper and take off the mechanical seal spare that detects the completion to accomplish and maintain the detection, improve the convenience when detecting.

2. This mechanical seal spare that convenient maintenance, through the cooperation of screw rod and dog, when whole coupling assembling used the back for a long time and need be changed, accessible rotated the screw rod and dismantle the change to whole coupling assembling.

Drawings

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

FIG. 2 is a top view of a coupling ring and rotating ring structure of the present utility model;

fig. 3 is a schematic structural view of a limiting assembly according to the present utility model.

In the figure: 1. a base; 2. a placement groove; 3. a connecting plate; 4. a support ring; 5. a stop block; 6. a screw; 7. a connection assembly; 71. a connecting ring; 72. a rotating ring; 73. a support rod; 74. abutting blocks; 75. a grip; 76. extruding a block; 77. a spring; 78. a limit component; 781. a hinge block; 782. a rotating block; 783. a pull rod; 784. a limiting block; 79. a sliding block.

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.

Referring to fig. 1-2, a mechanical seal element with convenient maintenance in this embodiment includes a base 1, a placement groove 2 is provided at an upper end of the base 1, a connection plate 3 is placed inside the placement groove 2, a support ring 4 is fixedly connected to an upper end of the connection plate 3, and a connection assembly 7 is provided inside the support ring 4;

the connecting assembly 7 comprises a connecting ring 71, one end of the connecting ring 71 penetrates through the connecting plate 3 and is fixedly connected with the inner side of the supporting ring 4, the upper end of the supporting ring 4 is rotationally connected with a rotating ring 72 positioned on the outer side of the connecting ring 71, one end of the lower end of the rotating ring 72 is fixedly connected with a sliding block 79 extending to the inside of the supporting ring 4, a sliding groove is formed in the upper end of the supporting ring 4 and is slidably connected with the sliding block 79, the sliding block 79 is in a T shape, the sliding grooves are distributed in a ring shape, and the rotating ring 72 stably rotates on the supporting ring 4 through the sliding block 79.

The inside fixedly connected with extrusion piece 76 of swivel becket 72, the inboard sliding connection of swivel becket 72 has one end to run through and extend to the inboard bracing piece 73 of go-between 71, and extrusion piece 76 is the triangle, and the quantity of extrusion piece 76 is four, and four extrusion pieces 76 are annular equidistance and distribute in the inboard of swivel becket 72, make four extrusion pieces 76 annular rotate the back, can extrude bracing piece 73.

The bracing piece 73 is located the inboard one end fixedly connected with of go-between 71 and supports piece 74, supports piece 74 and is circular-arc, supports fixedly connected with spring 77 between piece 74 and the inboard of go-between 71, and the outside of go-between 72 is provided with spacing subassembly 78, and the outside fixedly connected with holding rod 75 of go-between 72, and the quantity of holding rod 75 is a plurality of, and a plurality of holding rod 75 is the outside of annular equidistance distribution at go-between 72, makes things convenient for the staff to rotate go-between 72 through holding rod 75.

In this embodiment, the holding rod 75 rotates the rotating ring 72 to drive the extruding block 76 to extrude the supporting rod 73, so that the mechanical sealing element which is placed in the connecting ring 71 and needs maintenance and detection can be fixed.

Embodiment two: referring to fig. 1 or 3, in this embodiment, a screw rod 6 with one end extending to the inside of a base 1 is rotatably connected to the inside of a connecting plate 3, a screw groove with one end communicating with a placing groove 2 is formed in the inside of the base 1, and the screw groove is mutually matched with a screw thread on the outer side of the screw rod 6, so that the screw rod 6 can be screwed into the base 1.

The outside fixedly connected with dog 5 of screw rod 6, spacing subassembly 78 include one end and the outside fixedly connected's of swivel becket 72 articulated piece 781, and the inboard rotation of articulated piece 781 is connected with rotatory piece 782, and the inboard of articulated piece 781 is connected with rotatory piece 782 through the pivot rotation, is provided with the torsional spring between the outside of rotatory piece 782 and the inboard of articulated piece 781, makes rotatory piece 782 accessible torsional spring reset.

The inboard fixedly connected with one end of turning block 782 extends to the inside stopper 784 of holding ring 4, and the quantity of turning block 782 is two, and two turning blocks 782 are bilateral symmetry and distribute, and the inside one end of stopper 784 extension to holding ring 4 is the slope form, and the spacing groove that is located the stopper 784 outside has been seted up in the outside of holding ring 4, and the quantity of spacing groove is a plurality of, and a plurality of spacing groove is annular and distributes in the outside of holding ring 4, and the slope opposite direction of two stoppers 784, the outside fixedly connected with pull rod 783 of turning block 782.

In this embodiment, through the cooperation of screw rod 6 and dog 5, when whole coupling assembling 7 needs to be changed after long-term use, accessible rotates screw rod 6 and dismantle the change of whole coupling assembling 7, and extends to the inside stopper 784 of support ring 4 and can restrict the reverse rotation of swivel becket 72, improves the stability after the mechanical seal spare is fixed.

The working principle of the embodiment is as follows:

after the mechanical sealing element is placed on the inner side of the connecting ring 71, the holding rod 75 can be used for clockwise rotating the rotating ring 72 to drive the four extrusion blocks 76 to extrude the supporting rod 73, so that the supporting blocks 74 on the supporting rod 73 can support and fix the mechanical sealing element, the limiting block 784 extending to the inside of the supporting ring 4 can limit the rotating ring 72 to reversely rotate, the limiting block 784 can be pulled by the pull rod 783 to release and take down the mechanical sealing element after detection, thereby completing maintenance and detection, improving the convenience in detection, when the whole connecting assembly 7 needs to be replaced after long-term use, the whole connecting assembly 7 can be detached and replaced by rotating the screw rod 6, otherwise, the whole connecting assembly 7 can be completely fixed by penetrating the connecting plate 3 into the base 1 through the screw rod 6 and extruding and connecting the limiting block 5.

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

1. The utility model provides a mechanical seal spare convenient to maintain, includes base (1), its characterized in that: the novel anti-theft device is characterized in that a placing groove (2) is formed in the upper end of the base (1), a connecting plate (3) is placed on the inner side of the placing groove (2), a screw (6) with one end extending to the inside of the base (1) is connected in a rotating mode in the connecting plate (3), a stop block (5) is fixedly connected to the outer side of the screw (6), a supporting ring (4) is fixedly connected to the upper end of the connecting plate (3), and a connecting assembly (7) is arranged on the inner side of the supporting ring (4);

the connecting assembly (7) comprises a connecting ring (71) with one end penetrating through the connecting plate (3) and fixedly connected with the inner side of the supporting ring (4), the upper end part of the supporting ring (4) is rotationally connected with a rotating ring (72) located on the outer side of the connecting ring (71), an extrusion block (76) is fixedly connected with the inner side of the rotating ring (72), one end of the inner side of the rotating ring (72) is connected with a supporting rod (73) penetrating through and extending to the inner side of the connecting ring (71), one end of the supporting rod (73) located on the inner side of the connecting ring (71) is fixedly connected with a supporting block (74), a spring (77) is fixedly connected between the supporting block (74) and the inner side of the connecting ring (71), a limiting assembly (78) is arranged on the outer side of the rotating ring (72), and a holding rod (75) is fixedly connected with the outer side of the rotating ring (72).

2. A maintenance-friendly mechanical seal as claimed in claim 1, wherein: the extrusion blocks (76) are triangular, the number of the extrusion blocks (76) is four, and the four extrusion blocks (76) are distributed on the inner side of the rotating ring (72) in an annular equidistant mode.

3. A maintenance-friendly mechanical seal as claimed in claim 1, wherein: the supporting blocks (74) are arc-shaped, the number of the holding rods (75) is a plurality of, and the holding rods (75) are distributed on the outer side of the rotating ring (72) in an annular equidistant mode.

4. A maintenance-friendly mechanical seal as claimed in claim 1, wherein: the limiting assembly (78) comprises a hinge block (781) with one end fixedly connected with the outer side of the rotating ring (72), the inner side of the hinge block (781) is rotationally connected with a rotating block (782), the inner side of the rotating block (782) is fixedly connected with a limiting block (784) with one end extending to the inner side of the supporting ring (4), and the outer side of the rotating block (782) is fixedly connected with a pull rod (783).

5. A maintenance-friendly mechanical seal as claimed in claim 4, wherein: the inner side of the hinge block (781) is rotationally connected with the rotating block (782) through a rotating shaft, and a torsion spring is arranged between the outer side of the rotating block (782) and the inner side of the hinge block (781).

6. A maintenance-friendly mechanical seal as claimed in claim 5, wherein: the number of the rotating blocks (782) is two, the two rotating blocks (782) are distributed in a bilateral symmetry mode, one end of each limiting block (784) extending to the inside of the supporting ring (4) is inclined, and limiting grooves located in the outer side of each limiting block (784) are formed in the outer side of each supporting ring (4).

7. A maintenance-friendly mechanical seal as claimed in claim 1, wherein: the sliding block (79) with one end extending to the inside of the support ring (4) is fixedly connected to the lower end part of the rotating ring (72), a sliding groove is formed in the upper end part of the support ring (4), the sliding groove is slidably connected with the sliding block (79), the sliding block (79) is T-shaped, and the sliding grooves are distributed annularly.

8. A maintenance-friendly mechanical seal as claimed in claim 1, wherein: a thread groove with one end communicated with the placing groove (2) is formed in the base (1), and the thread groove is matched with threads on the outer side of the screw rod (6).