CN211525167U - Mechanical seal for process pump - Google Patents
Mechanical seal for process pump Download PDFInfo
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- CN211525167U CN211525167U CN202020041326.XU CN202020041326U CN211525167U CN 211525167 U CN211525167 U CN 211525167U CN 202020041326 U CN202020041326 U CN 202020041326U CN 211525167 U CN211525167 U CN 211525167U
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Abstract
The utility model provides a machine seal for process pump. Mechanical seal for process pump includes: a seal body; a stationary end cap disposed at one end of the seal body; the silica gel ring is adhered to one side of the fixed end cover and is positioned on the surface of the sealing element main body; the locking assembly is fixed on the peripheral side face of the fixed end cover and comprises a locking block, a fixed cavity is formed in one side of the locking block, and a moving block is connected between two sides of the inner wall of the fixed cavity in a sliding mode. The utility model provides a flow pump is with machine seal when having the installation sealing member, at first join in marriage through the locking block and carry on spacingly with arc spacing groove to the vertical direction and the fore-and-aft direction of sealing member, and cooperate the silica gel circle of compression, make fixed more stable, the leakproofness is guaranteed in the suggestion to can carry on spacingly through the axial of fixture block cooperation draw-in groove with the sealing member, prevent to rotate, make fixed more stable, and install and dismantle equal easy operation convenience.
Description
Technical Field
The utility model relates to a process pump accessory field especially relates to a machine seal for process pump.
Background
The process pump is a general name of various pumps in the chemical production process, and has the advantages of high configuration power, high rotating speed, small overall volume, simple structure and convenience in maintenance, but has high temperature, high abrasion tendency and high maintenance coefficient. Therefore, the maintenance and the maintenance of the pump are relatively difficult, and in order to reduce the overhaul times, the maintenance and the maintenance of equipment must be done well.
The inside pivot that links to each other with the motor output shaft of process pump is gone up to overlap usually and is equipped with mechanical seal spare, seals, and current mechanical seal spare uses a plurality of screws of screw etc. to fix when installing with the inside casing of pump usually, and the pump can appear vibrating in the use, and long-term vibration can make the screw not hard up gradually, leads to mechanical seal spare to shift, causes the relatively poor problem of leakproofness.
Therefore, there is a need for a mechanical seal for a process pump that solves the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a flow pump is with machine seal has solved current mechanical seal spare and when installing with the inside casing of pump, uses a plurality of screws of screw etc. to fix usually, and pump work vibration can make the screw not hard up gradually, leads to mechanical seal spare to shift, causes the problem of the relatively poor problem of leakproofness.
In order to solve the technical problem, the utility model provides a flow pump is with machine sealing, include:
a seal body;
a stationary end cap disposed at one end of the seal body;
the silica gel ring is adhered to one side of the fixed end cover and is positioned on the surface of the sealing element main body;
the locking assembly is fixed on the peripheral side face of the fixed end cover and comprises a locking block, a fixed cavity is formed in one side of the locking block, a moving block is connected between two sides of the inner wall of the fixed cavity in a sliding mode, a clamping block is fixedly connected to one side of the moving block, and an elastic part is fixedly connected to the other side of the moving block.
When the sealing element is installed, the vertical direction and the front-back direction of the sealing element are limited by the locking block and the arc limiting groove, the sealing element is matched with the compressed silica gel ring, so that the sealing element is fixed more stably, the sealing property is guaranteed in a prompting manner, the sealing element can be limited in the axial direction through the clamping block matched with the clamping groove, the rotation is prevented, the fixing stability is more stable, and the installation and the detachment are simple and convenient.
Preferably, rectangular sliding blocks are arranged on two sides of the moving block, strip-shaped sliding grooves matched with the arc-shaped sliding blocks are formed in two sides of the inner wall of the fixed cavity, and an inclined plane is formed in one side of each clamping block.
One side of the clamping block is arranged to be an inclined plane, so that the clamping block can push the moving block to compress the elastic piece to enter the locking block when the clamping block is compressed, and the installation is facilitated.
Preferably, the installation inner shell is further included, a through hole is formed in the installation inner shell, the front face of the installation inner shell is located outside the through hole, an annular installation groove is formed in the outer face of the through hole, and the inner side of the annular installation groove is communicated with the through hole.
Preferably, one side of the inner surface of the annular mounting groove is communicated with an introduction groove, and one side of the inner surface of the introduction groove is communicated with an arc-shaped limiting groove.
Preferably, one side of the inner surface of the arc-shaped limiting groove is communicated with a clamping groove.
Preferably, the diameter of the inner cavity of the annular mounting groove is the same as that of the fixed end cover.
Preferably, when the elastic element is in a normal telescopic state, the clamping block is positioned outside the locking block.
Compared with the prior art, the utility model provides a flow pump is with machine seals has following beneficial effect:
the utility model provides a machine seal for flow pump, during the installation sealing member, at first join in marriage through the locking block and carry on spacingly with arc spacing groove to the vertical direction and the fore-and-aft direction of sealing member, and cooperate the silica gel circle of compression, make fixed more stable, the leakproofness is guaranteed in the suggestion to can carry on spacingly through the axial of fixture block cooperation draw-in groove with the sealing member, prevent to rotate, make fixed more stable, and install and dismantle equal easy operation convenience.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of a mechanical seal for a process pump according to the present invention;
FIG. 2 is a side view of the fixed end cap shown in FIG. 1;
FIG. 3 is a cross-sectional view of the locking block shown in FIG. 1;
FIG. 4 is a schematic structural view of the installed inner shell shown in FIG. 1;
fig. 5 is a cross-sectional view of the installed inner housing shown in fig. 1.
Reference numbers in the figures: 1. sealing member main part, 2, fixed end cover, 3, silica gel circle, 4, locking Assembly, 41, locking block, 42, fixed chamber, 43, movable block, 44, elastic component, 45, fixture block, 5, installation inner shell, 6, through-hole, 7, annular mounting groove, 8, introduction groove, 9, arc spacing groove, 10, draw-in groove.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Please refer to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5 in combination, wherein fig. 1 is a schematic structural diagram of a mechanical seal for a process pump according to a preferred embodiment of the present invention; FIG. 2 is a side view of the fixed end cap shown in FIG. 1; FIG. 3 is a cross-sectional view of the locking block shown in FIG. 1; FIG. 4 is a schematic structural view of the installed inner shell shown in FIG. 1; fig. 5 is a cross-sectional view of the installed inner housing shown in fig. 1. Mechanical seal for process pump includes:
a seal body 1;
the fixed end cover 2 is arranged at one end of the sealing element main body 1, and the fixed end cover 2 is arranged at one end of the sealing element main body 1;
the silica gel ring 3 is adhered to one side of the fixed end cover 2 and is positioned on the surface of the sealing element main body 1;
the locking assembly 4 is fixed on the peripheral side surface of the fixed end cover 2, the locking assembly 4 comprises a locking block 41, a fixed cavity 42 is formed in one side of the locking block 41, a moving block 43 is connected between two sides of the inner wall of the fixed cavity 42 in a sliding mode, a clamping block 45 is fixedly connected to one side of the moving block 43, and an elastic piece 44 is fixedly connected to the other side of the moving block 43.
The number of locking components 4 is four, can set up different numbers, is no less than four, and even array is on the surface of fixed end cover 2.
Rectangular sliding blocks are arranged on two sides of the moving block 43, strip-shaped sliding grooves matched with the arc-shaped sliding blocks are formed in two sides of the inner wall of the fixed cavity 42, and an inclined plane is formed in one side of the clamping block 45.
One side of the counterclockwise direction of the fixture block 45 on the four locking assemblies 4 is provided with an inclined surface.
Still including installation inner shell 5, through-hole 6 has been seted up on the installation inner shell 5, the front of installation inner shell 5 just is located annular mounting groove 7 has been seted up to the outside of through-hole 6, the inboard of annular mounting groove 7 with through-hole 6 intercommunication.
One side of the inner surface of the annular mounting groove 7 is communicated with an introduction groove 8, and one side of the inner surface of the introduction groove 8 is communicated with an arc-shaped limiting groove 9.
The number of the leading-in grooves 8 is four, the arc limiting grooves 9 are communicated with one side of the leading-in grooves 8 anticlockwise, the side edges of the locking blocks 41 are arranged to be arc surfaces and have the same radian as the arc limiting grooves 9, the side edges of the inner surfaces of the leading-in grooves 8 are arranged to be arc surfaces, the radians of the arc limiting grooves are the same as the radians of the arc limiting grooves 9, and the heights of the groove cavities of the arc limiting grooves 9 and the leading-in grooves 8 are the same as the height of the locking blocks.
One side of the inner surface of the arc-shaped limiting groove 9 is communicated with a clamping groove 10.
The size of the clamping groove 10 is matched with that of the clamping block 45.
The diameter of the inner cavity of the annular mounting groove 7 is the same as that of the fixed end cover 2.
When the elastic member 44 is in a normal telescopic state, the latch 45 is located outside the locking block 41.
The utility model provides a flow pump is with machine work principle who seals as follows:
during installation, the sealing element main body 1 is correspondingly inserted into the surface of the rotating shaft, then the fixed end cover 2 and the locking component 4 are correspondingly inserted into the annular mounting groove 7 and the lead-in groove 8, and the side of the lead-in groove 8 compresses the inclined surface of the fixture block 45 in the insertion process, so that the fixture block 45 pushes the movable block 43 to compress the elastic element 44 and enter the fixed cavity 42;
at the moment, the silica gel ring 3 is in a micro-compression state, the fixed end cover 2 is rotated anticlockwise, the locking block 41 is moved into the arc-shaped limiting groove 9 and cannot move any more, the clamping block 45 corresponds to the clamping groove 10, then the clamping block 45 is bounced into the clamping groove 10 under the action of the elastic piece 44, the clamping block is limited, and the installation is simple;
during disassembly, the fixed end cover 2 is pressed, the fixed end cover 2 compresses the silica gel ring 3, the clamping block 45 is moved out of the clamping groove 10, then the clamping block rotates clockwise, the locking block 41 is moved to the leading-in groove 8 and then taken down, and disassembly is simple.
Compared with the prior art, the utility model provides a flow pump is with machine seals has following beneficial effect:
when the sealing element is installed, the vertical direction and the front-back direction of the sealing element are limited by the locking block 41 and the arc-shaped limiting groove 9, the sealing element is matched with the compressed silica gel ring, so that the sealing element is fixed more stably, the sealing property is guaranteed in a prompting manner, the sealing element can be limited in the axial direction by the clamping block 45 matched with the clamping groove 10, the rotation is prevented, the fixation is more stable, and the installation and the detachment are simple and convenient.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a mechanical seal for process pump which characterized in that includes:
a seal body;
a stationary end cap disposed at one end of the seal body;
the silica gel ring is adhered to one side of the fixed end cover and is positioned on the surface of the sealing element main body;
the locking assembly is fixed on the peripheral side face of the fixed end cover and comprises a locking block, a fixed cavity is formed in one side of the locking block, a moving block is connected between two sides of the inner wall of the fixed cavity in a sliding mode, a clamping block is fixedly connected to one side of the moving block, and an elastic part is fixedly connected to the other side of the moving block.
2. The mechanical seal for the process pump according to claim 1, wherein rectangular sliding blocks are arranged on both sides of the moving block, strip-shaped sliding grooves matched with the arc-shaped sliding blocks are formed on both sides of the inner wall of the fixed cavity, and an inclined surface is arranged on one side of the clamping block.
3. The mechanical seal for the process pump according to claim 1, further comprising an inner installation housing, wherein a through hole is formed in the inner installation housing, an annular installation groove is formed in the front surface of the inner installation housing and located outside the through hole, and the inner side of the annular installation groove is communicated with the through hole.
4. The mechanical seal for the process pump as claimed in claim 3, wherein one side of the inner surface of the annular mounting groove is communicated with an introduction groove, and one side of the inner surface of the introduction groove is communicated with an arc-shaped limiting groove.
5. The mechanical seal for the process pump according to claim 4, wherein a clamping groove is communicated with one side of the inner surface of the arc-shaped limiting groove.
6. The mechanical seal for a process pump of claim 3, wherein the annular mounting groove inner cavity diameter is the same as the fixed end cap diameter.
7. The mechanical seal for flow pumps of claim 1 wherein said latch is located outside of said lock when said resilient member is in a normally extended condition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020041326.XU CN211525167U (en) | 2020-01-09 | 2020-01-09 | Mechanical seal for process pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020041326.XU CN211525167U (en) | 2020-01-09 | 2020-01-09 | Mechanical seal for process pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211525167U true CN211525167U (en) | 2020-09-18 |
Family
ID=72468745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020041326.XU Active CN211525167U (en) | 2020-01-09 | 2020-01-09 | Mechanical seal for process pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211525167U (en) |
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2020
- 2020-01-09 CN CN202020041326.XU patent/CN211525167U/en active Active
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