CN213899379U - Mechanical sealing device for cross-flow pump - Google Patents
Mechanical sealing device for cross-flow pump Download PDFInfo
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- CN213899379U CN213899379U CN202022926673.3U CN202022926673U CN213899379U CN 213899379 U CN213899379 U CN 213899379U CN 202022926673 U CN202022926673 U CN 202022926673U CN 213899379 U CN213899379 U CN 213899379U
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- seat
- spring
- ring
- pin
- static ring
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Abstract
The utility model discloses a mechanical seal device for through-flow pump, include: a spring seat, a plurality of springs, a static ring seat, a static ring, a movable ring, a gland and a connecting piece, wherein the spring seat and the connecting piece are connected through a plurality of fixing pieces, the static ring seat is sleeved on the spring seat, a static ring seat sealing ring is arranged between the static ring seat and the spring seat, a plurality of spring accommodating grooves and a plurality of spring seat pin grooves are arranged on one side of the spring seat, the static ring seat is provided with a plurality of static ring seat pin grooves corresponding to the spring seat pin grooves, the first pin is arranged in the spring seat pin grooves and the static ring seat pin grooves, the spring is accommodated in the spring accommodating groove of the spring seat, one end of the spring is abutted against the spring seat, the other end of the spring is abutted against the static ring seat, the static ring is arranged on the static ring seat through a plurality of second pins and second pin sleeves, the movable ring is arranged on the press cover through a plurality of third pins and third pin sleeves, so that the sealing performance is greatly improved.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a mechanical seal field especially relates to a mechanical seal device for through-flow pump.
[ background of the invention ]
The tubular pump is also called a cylinder pump or a bulb pump. The water flow passes through the inner flow passage of the pump along the rotation axis direction of the pump, the bulb through-flow type is used most, and the blade of the runner is fixed and the blade of the runner is adjustable. The flow passage is a cylindrical passage which is linear from the suction inlet to the extrusion outlet, and has no volute, and the power machine is arranged in the bulb body of the water pump. The volume is small, the construction cost of the pump room is low, the noise of the pump room is small, the hydraulic loss is less, and the efficiency is high. The use of mechanical seals in the crossflow pump is required to prevent media leakage on the media side. The mechanical sealing device for the tubular pump in the prior art is complex in structure and poor in sealing performance.
Therefore, there is a need for a mechanical seal device for a crossflow pump that solves the above-mentioned problems.
[ Utility model ] content
In order to solve the technical problem, an object of the present invention is to provide a mechanical sealing device for a cross-flow pump with good sealing performance.
The utility model discloses the technical scheme who adopts does: a mechanical seal for a crossflow pump comprising: the spring seat is connected with the connecting piece through a plurality of fixing pieces, a spring seat sealing ring is arranged between the spring seat and the connecting piece, the static ring seat is sleeved on the spring seat, a static ring seat sealing ring is arranged between the static ring seat and the spring seat, a plurality of spring accommodating grooves and a plurality of spring seat pin grooves are formed in one side of the spring seat, the static ring seat is provided with a plurality of static ring seat pin grooves corresponding to the spring seat pin grooves, a first pin is arranged in the spring seat pin grooves and the static ring seat pin grooves, the spring is accommodated in the spring accommodating groove of the spring seat, one end of the spring is abutted against the spring seat, the other end of the spring is abutted against the static ring seat, the static ring is arranged on the static ring seat through a plurality of second pins and second pin sleeves, and a static ring sealing ring is arranged between the static ring and the static ring seat, the movable ring is arranged on the gland through a plurality of third pins and third pin sleeves, and a movable ring sealing ring is arranged between the movable ring and the gland.
Preferably, the mechanical sealing device for a crossflow pump in the present invention is further configured to: the fixing piece is a fastening screw with an inner hexagonal concave end.
Preferably, the mechanical sealing device for a crossflow pump in the present invention is further configured to: the first pin, the second pin and the third pin are all cylindrical pins.
Preferably, the mechanical sealing device for a crossflow pump in the present invention is further configured to: the spring seat sealing ring, the static ring sealing ring and the moving ring sealing ring are all made of fluororubber.
Preferably, the mechanical sealing device for a crossflow pump in the present invention is further configured to: the second pin sleeve and the third pin sleeve are made of flexible materials.
Compared with the prior art, the utility model discloses following beneficial effect has: the utility model provides a mechanical seal device for through-flow pump simple structure, simple to operate forms a sealed friction pair through setting up rotating ring and quiet ring to improved sealing performance greatly, in addition the utility model provides a quiet ring holder adopts the static compensation first structure of multi-spring, and the design of multi-spring can satisfy bear even load that compresses tightly on the big shaft diameter is sealed, has great axial compensation ability.
[ description of the drawings ]
Fig. 1 is a schematic structural diagram of a mechanical sealing device for a middle cross flow pump according to the present invention.
In fig. 1: 1. spring holder, 10, spring holder sealing washer, 11, spring holding groove, 12, spring holder cotter way, 2, spring, 3, stationary ring seat, 30, stationary ring seat sealing washer, 31, stationary ring seat cotter way, 32, first round pin, 4, stationary ring, 40, second round pin, 41, second pin bushing, 42 stationary ring sealing washer, 5, rotating ring, 50, third round pin, 51, third pin bushing, 52, rotating ring sealing washer, 6, gland, 7, connecting piece, 8, mounting.
[ detailed description ] embodiments
The mechanical sealing device for a crossflow pump according to the present invention will be described in further detail below with reference to the following embodiments.
Referring to fig. 1, a mechanical sealing device for a crossflow pump includes: spring holder 1, sixteen springs 2, quiet ring seat 3, quiet ring 4, rotating ring 5, gland 6 and connecting piece 7.
Be connected through six mounting 8 between spring holder 1 and the connecting piece 7, in this embodiment, mounting 8 is hexagon socket head cap female end holding screw, be equipped with spring holder sealing washer 10 between spring holder 1 and the connecting piece 7, 3 covers of quiet ring seat locate on the spring holder 1 and with the spring holder 1 between be equipped with quiet ring seat sealing washer 30, one side of spring holder 1 is equipped with a plurality of spring accepting groove 11 and a plurality of spring holder cotter way 12, quiet ring seat 3 is equipped with a plurality of and the corresponding quiet ring seat cotter way 31 of spring holder cotter way 12, and first round pin 32 is installed in spring holder cotter way 12 and quiet ring seat cotter way 31 to can prevent that quiet ring seat 3 from rotating. The spring 2 is accommodated in the spring accommodating groove 11 of the spring seat 1, one end of the spring 2 is abutted against the spring seat 1, the other end of the spring 2 is abutted against the stationary ring seat 3, and the spring 2 has the function of ensuring good combination of the movable ring 5 and the stationary ring 4 and playing a compensation role after the end surface is abraded.
The stationary ring 4 is installed on the stationary ring seat 3 through a plurality of second pins 40 and second pin sleeves 41, a stationary ring sealing ring 42 is arranged between the stationary ring 4 and the stationary ring seat 3, the movable ring 5 is installed on the gland 6 through a plurality of third pins 50 and third pin sleeves 51, and a movable ring sealing ring 52 is arranged between the movable ring 5 and the gland 6. In the present embodiment, the first pin 31, the second pin 40, and the third pin 50 are all cylindrical pins. The spring seat sealing ring 10, the static ring seat sealing ring 30, the static ring sealing ring 42 and the moving ring sealing ring 52 are all made of fluororubber. The second pin sleeve 41 and the third pin sleeve 51 are made of flexible materials, so that a buffering effect can be achieved, and the phenomenon that the sealing ring is cracked due to hard contact between the pin and the hole caused by overlarge torque generated when the main machine is started can be greatly avoided.
To sum up, the utility model provides a mechanical seal device for through-flow pump simple structure, simple to operate forms a sealed friction pair through setting up rotating ring and quiet ring to improved sealing performance greatly, in addition the utility model provides a quiet ring seat adopts the static compensation first structure of multi-spring, and the design of multi-spring can satisfy bear even pressure load on the big shaft diameter is sealed, has great axial compensation ability.
The above-mentioned embodiments are merely illustrative of the principles and effects of the present invention, and some embodiments may be applied, and are not intended to limit the present invention; it should be noted that, for those skilled in the art, without departing from the inventive concept, several variations and modifications can be made, which are within the scope of the present invention.
Claims (5)
1. A mechanical seal for a crossflow pump comprising: the spring seat is connected with the connecting piece through a plurality of fixing pieces, a spring seat sealing ring is arranged between the spring seat and the connecting piece, the static ring seat is sleeved on the spring seat, a static ring seat sealing ring is arranged between the static ring seat and the spring seat, a plurality of spring accommodating grooves and a plurality of spring seat pin grooves are formed in one side of the spring seat, the static ring seat is provided with a plurality of static ring seat pin grooves corresponding to the spring seat pin grooves, a first pin is arranged in the spring seat pin grooves and the static ring seat pin grooves, the spring is accommodated in the spring accommodating groove of the spring seat, one end of the spring is abutted against the spring seat, the other end of the spring is abutted against the static ring seat, the static ring is arranged on the static ring seat through a plurality of second pins and second pin sleeves, and a static ring sealing ring is arranged between the static ring and the static ring seat, the movable ring is arranged on the gland through a plurality of third pins and third pin sleeves, and a movable ring sealing ring is arranged between the movable ring and the gland.
2. A mechanical seal for a crossflow pump as claimed in claim 1 wherein: the fixing piece is a fastening screw with an inner hexagonal concave end.
3. A mechanical seal for a crossflow pump as claimed in claim 1 wherein: the first pin, the second pin and the third pin are all cylindrical pins.
4. A mechanical seal for a crossflow pump as claimed in claim 1 wherein: the spring seat sealing ring, the static ring sealing ring and the moving ring sealing ring are all made of fluororubber.
5. A mechanical seal for a crossflow pump as claimed in claim 1 wherein: the second pin sleeve and the third pin sleeve are made of flexible materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022926673.3U CN213899379U (en) | 2020-12-07 | 2020-12-07 | Mechanical sealing device for cross-flow pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022926673.3U CN213899379U (en) | 2020-12-07 | 2020-12-07 | Mechanical sealing device for cross-flow pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213899379U true CN213899379U (en) | 2021-08-06 |
Family
ID=77101726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022926673.3U Active CN213899379U (en) | 2020-12-07 | 2020-12-07 | Mechanical sealing device for cross-flow pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213899379U (en) |
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2020
- 2020-12-07 CN CN202022926673.3U patent/CN213899379U/en active Active
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