CN209990686U

CN209990686U - Double-end-face mechanical sealing device for graphite pump

Info

Publication number: CN209990686U
Application number: CN201920847594.8U
Authority: CN
Inventors: 丁勇前
Original assignee: NANTONG LANTIAN GRAPHITE EQUIPMENTS CO Ltd
Current assignee: Zhou Liren
Priority date: 2019-06-06
Filing date: 2019-06-06
Publication date: 2020-01-24
Anticipated expiration: 2029-06-06

Abstract

The utility model discloses a graphite pump is with two terminal surface mechanical seal device, including the graphite pump body, the left side upper end welded connection of graphite pump body has first terminal surface, and the left end welded connection of graphite pump body has the second terminal surface, the top surface welded connection of first terminal surface has quiet ring seat, the below surface connection of connecting piece has the rotating ring seat, the inboard welded connection of lower extreme of rotating ring seat has the second connecting block, the inner fixedly connected with spring of extrusion piece, the female pole of the inner fixedly connected with of connecting plate, the first back up block of outer end fixedly connected with of spring, the recess has all been seted up to the middle left and right sides of connecting piece, the below of second back up block is closely laminated and is had the fixed block. The double-end-face mechanical sealing device for the graphite pump is convenient to mount and dismount, and the movable ring seat and the static ring seat are firmly connected, so that the sealing effect of the device reaches the optimal state.

Description

Double-end-face mechanical sealing device for graphite pump

Technical Field

The utility model relates to a graphite pump technical field specifically is a graphite pump is with two terminal surface mechanical seal device.

Background

The graphite pump is generally prepared by impregnating graphite or molded graphite with thermosetting phenolic resin, and the graphite has good thermal shock resistance and does not crack after quenching and sudden heating, so that the graphite pump can be used for conveying hydrochloric acid, hydrofluoric acid, dilute sulfuric acid and the like, and has great use value.

The general double-end-face mechanical sealing device for the graphite pump is inconvenient to mount and dismount and poor in sealing effect, so that the double-end-face mechanical sealing device for the graphite pump is provided, and the problems provided in the prior art are solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a graphite pump is with two terminal surface mechanical seal device to solve the current graphite pump that provides in the above-mentioned background art and use two terminal surface mechanical seal device neither easy to assemble with dismantle, and the relatively poor problem of sealed effect.

In order to achieve the above object, the utility model provides a following technical scheme: a double-end-face mechanical sealing device for a graphite pump comprises a graphite pump body, wherein a first end face is welded at the upper end of the left side of the graphite pump body, a second end face is welded at the left end of the graphite pump body, a stationary ring seat is welded on the outer surface of the upper portion of the first end face, a connecting piece penetrates through the interior of the first end face, a movable ring seat is connected with the outer surface of the lower portion of the connecting piece, a first connecting block is welded at the lower end of the movable ring seat, a second connecting block is welded on the inner side of the lower end of the movable ring seat, extrusion blocks are movably connected on the left side and the right side of the upper portion of the movable ring seat, a spring is fixedly connected at the inner end of each extrusion block, a connecting plate is fixedly connected at the inner end of the spring, a female rod is fixedly connected at the inner end of the connecting plate, a sub-rod, and the inside through connection of first reinforcement piece has the screw, the recess has all been seted up to the middle left and right sides of connecting piece, and the internal connection of recess has the second reinforcement piece, the below of second reinforcement piece closely laminates there is the fixed block.

Preferably, the upper surface of the stationary ring seat is tightly attached to the lower surface of the movable ring seat, the movable ring seat is of a detachable structure on the stationary ring seat, and the inner surface of the movable ring seat is tightly attached to the outer surface of the connecting piece.

Preferably, the first connecting block and the second connecting block are symmetrically provided with 2 sets in the left-right direction of the central axis of the movable ring seat, and the lower ends of the first connecting block and the second connecting block penetrate through the inner part of the upper end of the first end face.

Preferably, the first reinforcing block is of a telescopic structure on the movable ring seat, and the first reinforcing block penetrates through the inside of the stationary ring seat.

Preferably, the connecting plate is of a sliding structure in the stationary ring seat, and the female rod is provided with 2 groups in up-and-down symmetry about the central axis of the connecting plate.

Preferably, the lower part of the inner end of the second reinforcing block penetrates through the inside of the connecting piece, the longitudinal section of the second reinforcing block is of a 7-shaped structure, and the second reinforcing block is of a detachable structure on the fixing block.

Compared with the prior art, the beneficial effects of the utility model are that: the double-end-face mechanical sealing device for the graphite pump is convenient to mount and dismount, and the movable ring seat and the static ring seat are firmly connected, so that the sealing effect of the device reaches the optimal state;

1. the first reinforcing block and the screw are arranged, the first reinforcing block is driven to retract into the movable ring seat by extruding the extruding block, so that the movable ring seat is convenient to mount on the stationary ring seat, and then the joint of the stationary ring seat and the movable ring seat is reinforced by the screw, so that the stationary ring seat and the movable ring seat are convenient to mount and connect together;

2. the first connecting block and the second connecting block are arranged, the first connecting block and the second connecting block penetrate into the first end face, and a screw penetrates through the joint of the first connecting block and the first end face, so that the joint of the static ring seat and the movable ring seat is conveniently reinforced, the movable ring seat can be tightly attached to the outer surface of the static ring seat, and the joint of the first end face and the connecting piece is conveniently sealed;

3. the second reinforcing block and the fixing block are arranged, the inner end of the second reinforcing block penetrates through the connecting piece, the lower surface of the second reinforcing block is tightly attached to the upper surface of the fixing block, the joint of the second reinforcing block and the fixing block is reinforced through screws, so that the connecting piece is firmly installed on the graphite pump body, extrusion force can be generated on the movable ring seat, the movable ring seat and the static ring seat are tightly attached together, and the sealing performance of the device can be improved.

Drawings

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

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 4 is an enlarged schematic view of the structure of FIG. 3B according to the present invention;

fig. 5 is an enlarged schematic structural diagram of the present invention at C in fig. 3.

In the figure: 1. a graphite pump body; 2. a first end face; 3. a second end face; 4. a stationary ring seat; 5. a connecting member; 6. a movable ring seat; 7. a first connection block; 8. a second connecting block; 9. extruding the block; 10. a spring; 11. a connecting plate; 12. a female rod; 13. a sub-rod; 14. a first reinforcing block; 15. a screw; 16. a groove; 17. a second reinforcing block; 18. and (5) fixing blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a double-end-face mechanical sealing device for a graphite pump comprises a graphite pump body 1, a first end face 2, a second end face 3, a stationary ring seat 4, a connecting piece 5, a moving ring seat 6, a first connecting block 7, a second connecting block 8, an extrusion block 9, a spring 10, a connecting plate 11, a female rod 12, a sub-rod 13, a first reinforcing block 14, a screw 15, a groove 16, a second reinforcing block 17 and a fixing block 18, wherein the upper end of the left side of the graphite pump body 1 is connected with the first end face 2 in a welding manner, the left end of the graphite pump body 1 is connected with the second end face 3 in a welding manner, the stationary ring seat 4 is connected with the outer surface of the upper part of the first end face 2 in a welding manner, the connecting piece 5 penetrates through the inner part of the first end face 2, the outer surface of the lower part of the connecting piece 5 is connected with the moving ring seat 6, the first connecting block 7 is connected with the lower end of, and the equal swing joint in the top left and right sides of rotating ring seat 6 has extrusion piece 9, the inner fixedly connected with spring 10 of extrusion piece 9, and the inner fixedly connected with connecting plate 11 of spring 10, the inner fixedly connected with female pole 12 of connecting plate 11, and the inner swing joint of female pole 12 has sub-pole 13, the outer end fixedly connected with first reinforcement piece 14 of spring 10, and the inside through connection of first reinforcement piece 14 has screw 15, connecting piece 5's the middle left and right sides all has seted up recess 16, and the internal connection of recess 16 has second reinforcement piece 17, the below of second reinforcement piece 17 closely laminates fixed block 18.

Like in fig. 1, fig. 3 and fig. 4 the upper surface of stationary ring seat 4 and the lower surface of rotating ring seat 6 closely laminate, and rotating ring seat 6 is for dismantling the structure on stationary ring seat 4, and the internal surface of rotating ring seat 6 and the surface of connecting piece 5 closely laminate, seal the junction of first terminal surface 2 and connecting piece 5 through rotating ring seat 6 and handle, as in fig. 1, fig. 3 and fig. 4 first connecting block 7 and second connecting block 8 all are provided with 2 groups about the axis bilateral symmetry of rotating ring seat 6, and the lower extreme of first connecting block 7 and second connecting block 8 all runs through inside the upper end of first terminal surface 2, be convenient for like this with rotating ring seat 6 closely laminate in the upper end of stationary ring seat 4, thereby the leakproofness of the device has been improved.

As in fig. 1, 3 and 4, the first reinforcing block 14 is of a telescopic structure on the moving ring seat 6, and the first reinforcing block 14 penetrates through the inside of the stationary ring seat 4, and the pressing block 9 is pressed to drive the first reinforcing block 14 to extend and retract inside the stationary ring seat 4, and the first reinforcing block 14 penetrates through the inside of the stationary ring seat 4, so that the stationary ring seat 4 and the moving ring seat 6 can be connected more firmly and tightly, as in fig. 1, 3 and 4, the connecting plate 11 is of a sliding structure inside the stationary ring seat 4, and the female rod 12 is provided with 2 sets of blocks in up-and-down symmetry about the central axis of the connecting plate 11, the pressing block 9 and the first reinforcing block 14 are connected together through the connecting plate 11, and the inner end of the connecting plate 11 is supported through the female rod 12.

As shown in fig. 1, 2, 3 and 5, the lower part of the inner end of the second reinforcing block 17 penetrates through the inside of the connecting member 5, the longitudinal section of the second reinforcing block 17 is in a 7-shaped structure, and the second reinforcing block 17 is in a detachable structure on the fixing block 18, by penetrating the second reinforcing block 17 into the inside of the connecting member 5 and then connecting the second reinforcing block 17 and the fixing block 18 together through the screw 15, not only can downward extrusion force be generated on the moving ring seat 6, but also the moving ring seat 6 and the stationary ring seat 4 are connected more tightly, so that the sealing performance of the device can reach the best state, and the position of the moving ring seat 6 can be fixed.

The working principle is as follows: when the double-end-face mechanical sealing device for the graphite pump is used, firstly, 2 groups of connecting pieces 5 respectively penetrate through the inside of a first end face 2 and a second end face 3, a static ring seat 4 is welded and connected on the outer surface of the upper end of the first end face 2, a moving ring seat 6 penetrates through the inside of the connecting piece 5, then a first connecting block 7 and a second connecting block 8 penetrate through the inside of the first end face 2, so that the static ring seat 4 is tightly attached to the moving ring seat 6, then a second reinforcing block 17 slides downwards on a groove 16, so that the lower surface of the second reinforcing block 17 is tightly attached to the upper surface of a fixed block 18, then the joint of the second reinforcing block 17 and the fixed block 18 is reinforced through a screw 15, so that the position of the moving ring seat 6 is convenient to fix, a downward extrusion force can be generated on the moving ring seat 6, so that the moving ring seat 6 is tightly attached to the static ring seat 4, thereby improving the sealing performance of the device, the extrusion block 9 is extruded to drive the connecting plate 11 to slide towards the inner side, the spring 10 drives the first reinforcing block 14 to retract into the movable ring seat 6, when the connecting plate 11 slides towards the inner side, the female rod 12 is extruded, the first reinforcing block 14 in the female rod 12 drives the sub-rod 13 to retract into the female rod 12, so that the lower end of the movable ring seat 6 is clamped on the upper end of the stationary ring seat 4, then the extrusion block 9 is released, the first reinforcing block 14 in the female rod 12 drives the connecting plate 11 to complete the reset work, so that the first reinforcing block 14 is driven to slide towards the outer side, so that the first reinforcing block 14 can penetrate into the stationary ring seat 4, the joint of the first reinforcing block 14 and the stationary ring seat 4 can be reinforced through the screw 15, so that the joint of the stationary ring seat 4 and the movable ring seat 6 can be reinforced, and the static ring seat 4 and the moving ring seat 6 can be attached more tightly, so that the sealing performance of the device can reach the best state, the connection principle between the second end surface 3 and the connecting piece 5 is the same as that between the first end surface 2 and the connecting piece 5, so that the sealing treatment of the two end surfaces of the graphite pump body 1 is facilitated, and the application method of the double-end-surface mechanical sealing device for the graphite pump is provided.

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. The utility model provides a graphite pump is with two terminal surface mechanical seal device, includes graphite pump body (1), its characterized in that: the graphite pump comprises a graphite pump body (1), wherein a first end face (2) is welded at the upper end of the left side of the graphite pump body (1), a second end face (3) is welded at the left end of the graphite pump body (1), a stationary ring seat (4) is welded at the outer surface of the upper portion of the first end face (2), a connecting piece (5) is connected inside the first end face (2) in a penetrating mode, a movable ring seat (6) is connected at the outer surface of the lower portion of the connecting piece (5), a first connecting block (7) is welded at the lower end of the movable ring seat (6), a second connecting block (8) is welded at the inner side of the lower end of the movable ring seat (6), extrusion blocks (9) are movably connected at the left side and the right side of the upper portion of the movable ring seat (6), springs (10) are fixedly connected at the inner ends of the extrusion blocks (9), connecting plates (11) are fixedly connected at the inner ends of, and the inner swing joint of female pole (12) has sub-pole (13), the first reinforcement piece (14) of outer end fixedly connected with of spring (10), and the inside through connection of first reinforcement piece (14) has screw (15), recess (16) have all been seted up to the middle left and right sides of connecting piece (5), and the internal connection of recess (16) has second reinforcement piece (17), the below of second reinforcement piece (17) closely laminates and has fixed block (18).

2. A double-ended mechanical seal for a graphite pump as claimed in claim 1, wherein: the upper surface of the static ring seat (4) is tightly attached to the lower surface of the movable ring seat (6), the movable ring seat (6) is of a detachable structure on the static ring seat (4), and the inner surface of the movable ring seat (6) is tightly attached to the outer surface of the connecting piece (5).

3. A double-ended mechanical seal for a graphite pump as claimed in claim 1, wherein: first connecting block (7) and second connecting block (8) all are provided with 2 groups about the axis bilateral symmetry of rotating ring seat (6), and the lower extreme of first connecting block (7) and second connecting block (8) all runs through inside the upper end of first terminal surface (2).

4. A double-ended mechanical seal for a graphite pump as claimed in claim 1, wherein: the first reinforcing block (14) is of a telescopic structure on the movable ring seat (6), and the first reinforcing block (14) penetrates through the inside of the fixed ring seat (4).

5. A double-ended mechanical seal for a graphite pump as claimed in claim 1, wherein: the connecting plate (11) is of a sliding structure in the stationary ring seat (4), and the female rod (12) is provided with 2 groups in an up-down symmetrical mode relative to the central axis of the connecting plate (11).

6. A double-ended mechanical seal for a graphite pump as claimed in claim 1, wherein: the lower part of the inner end of the second reinforcing block (17) penetrates through the inside of the connecting piece (5), the longitudinal section of the second reinforcing block (17) is of a 7-shaped structure, and the second reinforcing block (17) is of a detachable structure on the fixing block (18).