CN215908384U - Double-stuffing box sealing device of alcohol injection pump - Google Patents
Double-stuffing box sealing device of alcohol injection pump Download PDFInfo
- Publication number
- CN215908384U CN215908384U CN202122601646.3U CN202122601646U CN215908384U CN 215908384 U CN215908384 U CN 215908384U CN 202122601646 U CN202122601646 U CN 202122601646U CN 215908384 U CN215908384 U CN 215908384U
- Authority
- CN
- China
- Prior art keywords
- packing
- main shaft
- lock
- barrel
- injection pump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 238000002347 injection Methods 0.000 title claims abstract description 23
- 239000007924 injection Substances 0.000 title claims abstract description 23
- 238000007789 sealing Methods 0.000 title claims abstract description 19
- 238000012856 packing Methods 0.000 claims abstract description 78
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 230000009977 dual effect Effects 0.000 claims 5
- 230000008094 contradictory effect Effects 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 7
- 230000009471 action Effects 0.000 abstract description 4
- 238000005299 abrasion Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 239000000945 filler Substances 0.000 description 17
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 9
- 239000007788 liquid Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Details Of Reciprocating Pumps (AREA)
Abstract
The utility model discloses a double-stuffing box sealing device of an alcohol injection pump, which comprises a main shaft, wherein one side of the main shaft is provided with a pushing mechanism, and one side of the pushing mechanism is provided with a clamping mechanism; the pushing mechanism comprises a packing barrel, a plurality of first sliding grooves are formed in the packing barrel, push rods are connected to the inner sides of the first sliding grooves in a sliding mode, two convex blocks are fixed to one side of each push rod, the rotary packing cover can abut against one side of two packing, the clamping force of the first packing and the clamping force of the second packing on the main shaft can be adjusted through the rotary ring, when the smoothness of the surface of the main shaft is poor due to abrasion, each position of the first packing and the second packing can be tightly attached to the surface of the main shaft under the action of a lock column, the clamping force of the lock column on the two packing is increased by screwing the ring again, the gap between the packing and the main shaft is made up, the service life of the packing is prolonged, the sealing effect of the packing is improved, and the maintenance cost of the alcohol injection pump is reduced.
Description
Technical Field
The utility model relates to the technical field of an alcohol injection pump stuffing box, in particular to a double stuffing box sealing device of an alcohol injection pump.
Background
The alcohol injection pump drives the plunger piston to move repeatedly through the reduction box by the worm wheel, the worm wheel connecting rod mechanism and the N-shaped crank connecting rod mechanism through high-speed rotation of the motor, when the plunger piston moves inwards from the pump head, the inlet valve ball at the lower end of the pump is opened, the outlet valve ball at the upper end of the pump is closed, and at the moment, methanol is filled in the cylinder body by self-pressure of liquid level difference, namely, the suction process is called as suction stroke. When the plunger moves from the inside of the pump to the pump head, the valve ball at the inlet end of the pump is closed, the volume of the methanol is compressed to be high pressure due to the pushing of the plunger, the valve ball at the outlet end of the pump is opened and the methanol is discharged out of the pump, namely the discharge process, namely the discharge stroke, the plunger pump works periodically, most of fillers are placed in a filler barrel when the existing alcohol injection pump works, the fillers are tightly pressed through a gland, and when the main shaft wears the fillers, the main shaft loses the good sealing property to cause the liquid leakage in the pump; although the filler is not completely worn and the leakage condition is light, in order to prevent the increase of the leakage of the alcohol injection pump, the conventional maintenance method mostly needs to replace the filler, so that the maintenance cost of the alcohol injection pump is increased, and therefore, the double-stuffing box sealing device of the alcohol injection pump is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a double stuffing box sealing device of an alcohol injection pump, which aims to solve the problem that the maintenance cost of the alcohol injection pump is increased because most of fillers need to be replaced by a conventional maintenance method in order to prevent the increase of the leakage of the alcohol injection pump although the fillers are not completely worn and the leakage condition is light in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: the double-stuffing box sealing device of the alcohol injection pump comprises a main shaft, wherein a pushing mechanism is arranged on one side of the main shaft, and a clamping mechanism is arranged on one side of the pushing mechanism;
the pushing mechanism comprises a filling barrel, a plurality of first sliding grooves are formed in the filling barrel, push rods are connected to the inner sides of the first sliding grooves in a sliding mode, two convex blocks are fixed to one side of each push rod, a first inclined surface is arranged on one side of each convex block, a second inclined surface is arranged on one side, away from the first inclined surface, of each convex block, and a limiting table is arranged on one side of each first inclined surface;
the clamping mechanism comprises a plurality of lock frames, two lock grooves are formed in one side of each lock frame, a fourth inclined plane abutting against one side of the second inclined plane is formed in one side of each lock groove, and a third inclined plane abutting against one side of the first inclined plane is formed in the other side of each lock groove;
a plurality of second chutes are formed in one side of the packing barrel, and lock columns abutting against one side of the lock frame are connected inside the second chutes in a sliding mode.
Preferably, a limiting groove is formed in one side of the locking groove, and one side of the limiting groove is matched with the limiting table.
Preferably, the outer side of the main shaft is movably inserted into one side of the filling barrel, and a filling cover in threaded connection with the inner side of the filling barrel is arranged on one side of the main shaft.
Preferably, a first packing and a second packing are respectively filled between the main shaft and the packing barrel, and the lock cylinder is inserted into the first packing and the second packing.
Preferably, the top of the packing bucket is provided with a limiting block, the outer side of the packing bucket is in threaded connection with a circular ring, and the bottom of the circular ring is fixedly provided with a fixing block which is abutted to one side of the limiting block.
Preferably, a plurality of funnel-shaped cylinder bodies are fixed on the inner side of the packing barrel, and gradually-enlarged holes which are connected to the outer side of the lock cylinder in a sliding mode are formed in the funnel-shaped cylinder bodies.
Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the rotary packing cover can be abutted against one side of the two packings, the clamping force of the first packing and the second packing on the main shaft can be adjusted by rotating the circular ring, when the smoothness of the surface of the main shaft is poor due to abrasion, each part of the first packing and the second packing can be tightly attached to the surface of the main shaft under the action of the lock cylinder, so that liquid in the pump is prevented from leaking out, when the two packings are abraded, the circular ring is screwed again so that the clamping force of the lock cylinder on the two packings is increased, the gap between the packings and the main shaft is compensated, the liquid in the pump is prevented from leaking out, the service life of the packings is prolonged, the sealing effect of the packing box is improved, and the maintenance cost of the alcohol injection pump is reduced.
Drawings
FIG. 1 is a schematic sectional front view of the present invention;
FIG. 2 is a schematic view of the structure of region A in FIG. 1 according to the present invention;
FIG. 3 is a schematic perspective view of the packing bucket of the present invention;
fig. 4 is a schematic perspective view of the push rod of the present invention.
In the figure: 1. a main shaft; 2. a pushing mechanism; 21. a circular ring; 22. a limiting block; 23. a fixed block; 24. a push rod; 25. a first inclined plane; 26. a bump; 27. a second inclined plane; 28. a stuffing barrel; 29. a first chute; 210. a second chute; 211. a limiting table; 3. a clamping mechanism; 31. a lock cylinder; 32. a lock frame; 33. a third inclined plane; 34. locking the groove; 35. a fourth slope; 36. a limiting groove; 4. a first filler; 5. a second filler; 6. a filler cover; 7. a funnel-shaped barrel; 8. and (5) gradually reaming.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1-4, the present invention provides a technical solution: the double-stuffing box sealing device of the alcohol injection pump comprises a main shaft 1, wherein a pushing mechanism 2 is arranged on one side of the main shaft 1, and a clamping mechanism 3 is arranged on one side of the pushing mechanism 2;
the pushing mechanism 2 comprises a filling barrel 28, a plurality of first sliding grooves 29 are formed in the filling barrel 28, push rods 24 are connected to the inner sides of the first sliding grooves 29 in a sliding mode, two convex blocks 26 are fixed to one side of each push rod 24, a first inclined surface 25 is arranged on one side of each convex block 26, a second inclined surface 27 is arranged on one side, away from the first inclined surface 25, of each convex block 26, and a limiting table 211 is arranged on one side of each first inclined surface 25;
the clamping mechanism 3 comprises a plurality of lock frames 32, two lock grooves 34 are formed in one side of each lock frame 32, a fourth inclined surface 35 abutting against one side of the second inclined surface 27 is arranged on one side of each lock groove 34, a third inclined surface 33 abutting against one side of the first inclined surface 25 is arranged on the other side of each lock groove 34, the clamping mechanism can abut against one side of two fillers by rotating the packing cover 6, the clamping force of the first packing 4 and the second packing 5 on the main shaft 1 can be adjusted by rotating the circular ring 21, when the smoothness of the surface of the main shaft 1 is poor, each part of the first packing 4 and each part of the second packing 5 can be tightly attached to the surface of the main shaft 1 under the action of the lock column 31, liquid leakage in the pump is avoided, when the two fillers are abraded, the clamping force of the lock column 31 on the two fillers is increased by the circular ring 21 again, a gap between the fillers and the main shaft 1 is compensated, and liquid leakage in the pump is avoided, the service life of the filler is prolonged, the sealing effect of the filler box is improved, and the maintenance cost of the alcohol injection pump is reduced.
A plurality of second chutes 210 are formed in one side of the filling barrel 28, the inside of the second chute 210 is slidably connected with the lock column 31 abutting against one side of the lock frame 32, and the lock column 31 can freely slide inside the second chute 210.
In this embodiment, specifically: the lock slot 34 is provided with a limit slot 36 on one side, one side of the limit slot 36 is matched with the limit table 211, and when the limit table 211 is abutted against the inside of the limit slot 36, the push rod 24 and the lock frame 32 stop moving.
In this embodiment, specifically: the outer side of the main shaft 1 is movably inserted into one side of the packing barrel 28, a packing cover 6 in threaded connection with the inner side of the packing barrel 28 is arranged on one side of the main shaft 1, and the packing cover 6 is arranged on one side of the main shaft 1 and used for abutting against one side of two packing materials.
In this embodiment, specifically: the main shaft 1 and the stuffing barrel 28 are respectively filled with a first stuffing 4 and a second stuffing 5, the lock cylinder 31 is inserted into the first stuffing 4 and the second stuffing 5, and the first stuffing 4 and the second stuffing 5 are used for sealing the gap between the stuffing barrel 28 and the main shaft 1.
In this embodiment, specifically: the top of the packing bucket 28 is provided with a limiting block 22, the outer side of the packing bucket 28 is in threaded connection with a ring 21, the bottom of the ring 21 is fixed with a fixing block 23 which is abutted to one side of the limiting block 22, the limiting block 22 prevents the position of the ring 21 from rotating, and after the packing is completely worn, the ring 21 stops being screwed downwards.
In this embodiment, specifically: the barrel 28 inboard of packing is fixed with a plurality of and leaks hopper-shaped barrel 7, and the inside reaming 8 that sets up sliding connection in the lock cylinder 31 outside of the barrel 7 that leaks hopper-shaped is used for extrusion deformation back when packing pressure is great for 8 shrinkage cavities of reaming gradually, thereby sealed lock cylinder 31 and the clearance between the barrel 7 that leaks hopper-shaped.
The working principle is as follows: when the packing machine is used, the first packing 4 and the second packing 5 are placed in the packing barrel 28, the packing cover 6 is screwed at the moment, the pressing cap is arranged on the outer side of the second packing 5, the packing cover 6 can be abutted against the pressing cap on one side of the second packing 5 and tightly press the first packing 4 and the second packing 5, the push rod 24 can be extruded to move downwards when the circular ring 21 moves downwards by screwing the circular ring 21, firstly, the second inclined surface 27 and the fourth inclined surface 35 are locking inclined surfaces, and after the second inclined surface 27 and the fourth inclined surface 35 are abutted, the lock frame 32 can be pushed to move towards one side, and the lock frame 32 is pushed while the lock frame 32 moves to tightly attach the first packing 4 and the second packing 5 to the surface of the main shaft 1; on the contrary, when the push rod 24 is pulled outwards, because the first inclined surface 25 and the third inclined surface 33 are releasing inclined surfaces, when the first inclined surface 25 abuts against the third inclined surface 33, the lock frame 32 moves towards one side of the push rod 24, one side of the lock column 31 leaves the surfaces of the first packing 4 and the second packing 5, and when the limiting table 211 abuts against the limiting groove 36, the lock frame 32 of the lock column 31 stops moving, so that the first packing 4 and the second packing 5 are conveniently replaced;
when the smoothness of the surface of the main shaft 1 is poor due to abrasion, under the thrust action of the lock cylinder 31, each expanded part of the first packing 4 and the second packing 5 can be tightly attached to the surface of the main shaft 1, and the liquid in the pump is prevented from leaking.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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 (6)
1. Two packing box sealing device of notes alcohol pump, including main shaft (1), its characterized in that: a pushing mechanism (2) is arranged on one side of the main shaft (1), and a clamping mechanism (3) is arranged on one side of the pushing mechanism (2);
the pushing mechanism (2) comprises a filling barrel (28), a plurality of first sliding grooves (29) are formed in the filling barrel (28), push rods (24) are connected to the inner sides of the first sliding grooves (29) in a sliding mode, two convex blocks (26) are fixed to one side of each push rod (24), a first inclined plane (25) is arranged on one side of each convex block (26), a second inclined plane (27) is arranged on one side, far away from the first inclined plane (25), of each convex block (26), and a limiting table (211) is arranged on one side of each first inclined plane (25);
the clamping mechanism (3) comprises a plurality of lock frames (32), two lock grooves (34) are formed in one side of each lock frame (32), a fourth inclined surface (35) abutting against one side of the second inclined surface (27) is formed in one side of each lock groove (34), and a third inclined surface (33) abutting against one side of the first inclined surface (25) is formed in the other side of each lock groove (34);
a plurality of second sliding grooves (210) are formed in one side of the filling barrel (28), and lock columns (31) abutting against one side of the lock frame (32) are connected inside the second sliding grooves (210) in a sliding mode.
2. The dual stuffing box sealing arrangement for an alcohol injection pump according to claim 1, wherein: and a limiting groove (36) is formed in one side of the locking groove (34), and one side of the limiting groove (36) is matched with the limiting table (211).
3. The dual stuffing box sealing arrangement for an alcohol injection pump according to claim 1, wherein: the outer side of the main shaft (1) is movably inserted into one side of the packing barrel (28), and a packing cover (6) in threaded connection with the inner side of the packing barrel (28) is arranged on one side of the main shaft (1).
4. The dual stuffing box sealing arrangement of an alcohol injection pump according to claim 3, wherein: a first packing (4) and a second packing (5) are respectively filled between the main shaft (1) and the packing barrel (28), and the lock cylinder (31) is inserted into the first packing (4) and the second packing (5).
5. The dual stuffing box sealing arrangement for an alcohol injection pump according to claim 1, wherein: the packing bucket (28) top is equipped with stopper (22), packing bucket (28) outside threaded connection has ring (21), fixed block (23) of contradicting in stopper (22) one side are fixed with to ring (21) bottom.
6. The dual stuffing box sealing arrangement for an alcohol injection pump according to claim 1, wherein: the packing bucket (28) inboard is fixed with a plurality of funnel-shaped barrel (7), gradually reaming (8) of sliding connection in lock post (31) outside are seted up to funnel-shaped barrel (7) inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122601646.3U CN215908384U (en) | 2021-10-28 | 2021-10-28 | Double-stuffing box sealing device of alcohol injection pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122601646.3U CN215908384U (en) | 2021-10-28 | 2021-10-28 | Double-stuffing box sealing device of alcohol injection pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215908384U true CN215908384U (en) | 2022-02-25 |
Family
ID=80313094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122601646.3U Expired - Fee Related CN215908384U (en) | 2021-10-28 | 2021-10-28 | Double-stuffing box sealing device of alcohol injection pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215908384U (en) |
-
2021
- 2021-10-28 CN CN202122601646.3U patent/CN215908384U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220225 |