CN216991719U

CN216991719U - Mounting tool suitable for centrifugal pump collection dress seals quiet ring

Info

Publication number: CN216991719U
Application number: CN202220607466.8U
Authority: CN
Inventors: 刘光宗; 张辉; 宋鹏; 崔向鑫
Original assignee: Lihuayi Lijin Refining and Chemical Co Ltd
Current assignee: Lihuayi Lijin Refining and Chemical Co Ltd
Priority date: 2022-03-18
Filing date: 2022-03-18
Publication date: 2022-07-19
Anticipated expiration: 2032-03-18

Abstract

The utility model relates to the technical field of mechanical equipment, and discloses an installation tool suitable for a centrifugal pump container sealing static ring, which comprises a base, a driving gear and a sleeve, wherein the driving gear is positioned in the base, a gear shaft is fixedly sleeved in the center of the driving gear, the gear shaft is rotatably connected with two sides of the base, a rack is arranged on the outer wall of the sleeve, the sleeve is meshed with the driving gear through the rack, positioning guide rails are symmetrically arranged on the outer wall of the sleeve, sliding grooves are vertically arranged on the inner walls of two sides of the base, the positioning guide rails are slidably connected with the sliding grooves, and the sleeve is sleeved with a pressure sealing body. The sealing static ring assembling device is simple in structure and convenient to operate, can accurately assemble the sealing static ring in place, avoids damage to fingers easily caused by manual assembly and damage to sealing caused by external force knocking, and greatly improves the assembling efficiency.

Description

Mounting tool suitable for centrifugal pump collection dress seals quiet ring

Technical Field

The utility model relates to the technical field of mechanical equipment, in particular to a mounting tool suitable for a centrifugal pump packaging sealing static ring.

Background

Chemical centrifugal pump uses extensively in the chemical production process, and is in large quantity, kind are many, and the medium that its was carried often has toxicity, corrosivity etc. moreover, in order to prevent that the medium from revealing, guarantees the safe and stable operation of pump, need adopt the collection dress to seal isolated medium. When the maintenance machine pump leaks, it is sealed to need to change above-mentioned collection dress, when changing, because of the particularity of its medium, often need use polytetrafluoroethylene, corrosion-resistant strong materials such as package fluorine "O" circle are as the sealing washer, when the sealed quiet ring of assembly collection dress, because sealing washer scalability and elasticity are than relatively poor, lead to sealed quiet ring to hardly get into in the seal groove, need rely on the manual work to press with the downward application of force, because sealed edge is relatively sharp, easily cause the injury to people's finger during the application of force, if strike then lead to sealed surface damage easily with the help of external force, the influence is overhauld the process.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and provides an installation tool suitable for a packaging sealing static ring of a centrifugal pump.

In order to achieve the purpose, the technical scheme of the utility model is as follows: the utility model provides a mounting tool suitable for centrifugal pump collection dress seals quiet ring which characterized in that: including base, driving gear and sleeve, the base is the U-shaped structure, the driving gear is located inside the base, the fixed cover in driving gear center connects the gear shaft, the gear shaft rotates with the base both sides to be connected, the sleeve outer wall is equipped with the rack, the sleeve passes through rack and driving gear meshing, sleeve outer wall symmetry is equipped with the location guide rail, the vertical spout that is equipped with of base both sides inner wall, location guide rail sliding connection spout, the sleeve cup joints the pressure seal body, the pressure seal body includes connecting axle, pressure disk and tetrafluoro disc, the connecting axle cup joints inside the sleeve, the connecting axle lower extreme passes through the connecting rod and connects the pressure disk, the tetrafluoro disc is connected to the pressure disk lower extreme.

Further, the method comprises the following steps of; the sleeve wall is vertically provided with a row of first threaded holes, the outer wall of the connecting shaft is provided with a first threaded groove, the sleeve is connected with the connecting shaft through a first bolt, and the first bolt penetrates through the first threaded holes and the first threaded groove. The height of the tetrafluoro disc can be adjusted by adjusting the position of the first bolt connected with the first threaded hole.

Further, the step of; the symmetry is equipped with two second screw holes on the pressure disk, be equipped with the second thread groove that corresponds with the second screw hole on the tetrafluoro disc, the pressure disk passes through second bolted connection with the tetrafluoro disc, the second bolt passes second screw hole and second thread groove.

Further, the method comprises the following steps of; the gear shaft passes through the bearing and rotates the connection base both sides, gear shaft one end stretches out the base lateral wall, and stretches out one end tip and be equipped with the handle, through the key-type connection between gear shaft and the handle.

Further, the method comprises the following steps of; the side wall of the sliding groove is vertically provided with scale marks, and the downward moving distance of the positioning guide rail can be calculated through the scale marks, so that the depth of the sealing static ring entering the sealing gland can be accurately calculated, and whether the sealing static ring is installed in place or not can be determined.

The utility model has the beneficial effects that: the utility model is suitable for mounting the packaging sealing static ring of the centrifugal pump, has simple structure and convenient operation, can accurately assemble the sealing static ring in place, avoids the damage to fingers easily caused by manual assembly and the damage to the sealing caused by external force knocking, and greatly improves the assembly efficiency.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a right side view of FIG. 1;

FIG. 3 is a left side view of FIG. 1;

FIG. 4 is a top view of FIG. 1;

FIG. 5 is a sectional view taken along line A-A of FIG. 4;

fig. 6 is a schematic view of a connecting structure of the connecting shaft and the pressure plate.

In the figure: 1. a base; 2. a sleeve; 3. a driving gear; 4. positioning the guide rail; 5. a chute; 6. a connecting shaft; 7. a gear shaft; 8. a handle; 9. a key; 10. pressing a plate; 11. a tetrafluoro disc; 12. a first threaded hole; 13. a first thread groove; 14. a first bolt; 15. a second threaded hole; 16. a second bolt; 17. scale lines are marked.

Detailed Description

Example (b):

as shown in fig. 1 to 6, an installation tool suitable for a centrifugal pump integrated sealing stationary ring comprises a base 1, a driving gear 3 and a sleeve 2, wherein the base 1 is of a U-shaped structure, the driving gear 3 is located inside the base 1, a gear shaft 7 is fixedly sleeved at the center of the driving gear 3, the gear shaft 7 is rotatably connected with two sides of the base 1 through a bearing, one end of the gear shaft 7 extends out of the side wall of the base 1, a handle 8 is arranged at the end part of the extending end of the gear shaft 7, the gear shaft 7 is fixedly connected with the handle 8 through a key 9, a rack is arranged on the outer wall of the sleeve 2, the sleeve 2 is meshed with the driving gear 3 through the rack, a positioning guide rail 4 is symmetrically and fixedly arranged on the outer wall of the sleeve 2, sliding grooves 5 are vertically arranged on the inner walls of two sides of the base 1, the positioning guide rail 4 is slidably connected with the sliding grooves 5, the sleeve 2 is sleeved with a pressing sealing body, and the pressing sealing body comprises a connecting shaft 6 sealing body, Pressure disk 10 and tetrafluoro disc 11, connecting axle 6 cup joints inside 2 sleeves, pressure disk 10 is connected through the connecting rod to 6 lower extremes of connecting axle, tetrafluoro disc 11 is connected to pressure disk 10 lower extreme.

In this embodiment, preferably, a row of first threaded holes 12 is vertically formed in the wall of the sleeve 2, a first threaded groove 13 is formed in the outer wall of the connecting shaft 6, the sleeve 2 is connected with the connecting shaft 6 through a first bolt 14, and the first bolt 14 penetrates through the first threaded holes 12 and the first threaded groove 13.

Preferably, two second threaded holes 15 are symmetrically formed in the pressure plate 10, a second thread groove corresponding to the second threaded hole 15 is formed in the teflon disc 11, the pressure plate 10 is connected with the teflon disc 11 through a second bolt 16, and the second bolt 16 penetrates through the second threaded hole 15 and the second thread groove.

In the preferred embodiment, the side wall of the sliding chute 5 is vertically provided with scale marks 17.

The working principle is as follows: when the integrated sealing stationary ring is assembled, firstly, the position of the first bolt 14 connected with the first threaded hole 12 is adjusted according to the height of the sealing gland, and the height of the tetrafluoro disc 11 is adjusted to be positioned above the sealing gland; then, a sealing gland is placed on the base 1, a sealing static ring is placed on the sealing gland, a pin groove of the sealing static ring is aligned with a rotating pin above the sealing gland up and down, and the center of the sealing static ring is aligned with the center of the tetrafluoro disc 11; rotating a second bolt 16 to enable the lower plane of the tetrafluoro disc 11 to be parallel to the sealing static ring; and finally, rotating the handle 8, driving the driving gear 3 to rotate by the gear shaft 7, driving the sleeve 2 to vertically and stably move downwards by the driving gear 3, and driving the tetrafluoro disc 11 to be tightly pressed on the sealed stationary ring to slightly push the sealed stationary ring into the sealing groove in the downward movement process of the sleeve 2.

The above-described embodiments are merely preferred embodiments of the present invention, which is not intended to be limiting in any way, and other variations and modifications are possible without departing from the scope of the utility model as set forth in the appended claims.

In the description of the present invention, it is to be understood that the terms indicating an orientation or positional relationship are based on the orientation or positional relationship shown in the drawings only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Claims

1. The utility model provides a mounting tool suitable for centrifugal pump collection dress seals quiet ring which characterized in that: including base, driving gear and sleeve, the base is the U-shaped structure, the driving gear is located inside the base, the fixed cover in driving gear center connects the gear shaft, the gear shaft rotates with the base both sides to be connected, the sleeve outer wall is equipped with the rack, the sleeve passes through rack and driving gear meshing, sleeve outer wall symmetry is equipped with the location guide rail, the vertical spout that is equipped with of base both sides inner wall, location guide rail sliding connection spout, the sleeve cup joints the pressure seal body, the pressure seal body includes connecting axle, pressure disk and tetrafluoro disc, the connecting axle cup joints inside the sleeve, the connecting axle lower extreme passes through the connecting rod and connects the pressure disk, the tetrafluoro disc is connected to the pressure disk lower extreme.

2. The mounting tool for the cartridge seal stationary ring of the centrifugal pump according to claim 1, wherein: the sleeve wall is vertically provided with a row of first threaded holes, the outer wall of the connecting shaft is provided with a first threaded groove, the sleeve is connected with the connecting shaft through a first bolt, and the first bolt penetrates through the first threaded holes and the first threaded groove.

3. The mounting tool for the cartridge seal stationary ring of the centrifugal pump according to claim 1, wherein: the four-fluorine disc is characterized in that two second threaded holes are symmetrically formed in the pressure plate, second threaded grooves corresponding to the second threaded holes are formed in the four-fluorine disc, the pressure plate is connected with the four-fluorine disc through second bolts, and the second bolts penetrate through the second threaded holes and the second threaded grooves.

4. The mounting tool for the cartridge seal stationary ring of the centrifugal pump according to claim 1, wherein: the gear shaft passes through the bearing and rotates the connection base both sides, gear shaft one end stretches out the base lateral wall, and stretches out one end tip and be equipped with the handle, through the key-type connection between gear shaft and the handle.

5. The mounting tool for the cartridge seal stationary ring of the centrifugal pump according to claim 1, wherein: and scale marks are vertically arranged on the side wall of the sliding chute.