CN220487835U - Sealing structure of glue spraying pump - Google Patents
Sealing structure of glue spraying pump Download PDFInfo
- Publication number
- CN220487835U CN220487835U CN202322181478.6U CN202322181478U CN220487835U CN 220487835 U CN220487835 U CN 220487835U CN 202322181478 U CN202322181478 U CN 202322181478U CN 220487835 U CN220487835 U CN 220487835U
- Authority
- CN
- China
- Prior art keywords
- conical surface
- valve
- inclination angle
- cone
- sealing structure
- 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.)
- Active
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 47
- 239000003292 glue Substances 0.000 title claims abstract description 25
- 238000005507 spraying Methods 0.000 title description 3
- 239000000463 material Substances 0.000 claims description 20
- 238000004026 adhesive bonding Methods 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 3
- 238000005299 abrasion Methods 0.000 abstract description 6
- 238000010009 beating Methods 0.000 abstract 2
- 238000007599 discharging Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Landscapes
- Details Of Reciprocating Pumps (AREA)
Abstract
The utility model belongs to the technical field of glue beating pumps, in particular to a sealing structure of a glue beating pump, which comprises a movable valve core, a lifting shaft, a cutting valve connector, a movable valve and a valve plate, wherein a conical surface I which is in interference sealing with the cutting valve connector is arranged on the movable valve core, the diameter of the conical surface I is small from top to bottom, a conical surface II which is in interference sealing with the valve plate is arranged on the movable valve, the diameter of the conical surface II is large from top to bottom, a conical surface III is formed between the inner side wall and the lower end surface of the cutting valve connector, the inclination angle of the conical surface III is the same as that of the conical surface I, a conical surface IV is formed between the inner side wall and the upper end surface of the valve plate, and the inclination angle of the conical surface IV is the same as that of the conical surface II. The conical surface I of the movable valve core and the conical surface III of the cutting valve connector are in conflict to form surface-to-surface sealing, so that a wear groove is effectively prevented from being formed on the conical surface I, the sealing effect is good, and the service life is long; the second conical surface of the movable valve and the fourth conical surface of the valve plate are in interference with each other to form surface-to-surface sealing, so that the abrasion groove is effectively prevented from being formed on the second conical surface, the sealing effect is good, and the service life is long.
Description
Technical field:
the utility model belongs to the technical field of glue dispensing pumps, and particularly relates to a sealing structure of a glue dispensing pump.
The background technology is as follows:
the glue pump is mainly used for conveying glue, and the glue is sucked and discharged by driving the lifting shaft to move up and down through the plunger rod.
The prior gluing pump comprises a plunger seat 1, a plunger 2, a plunger connecting seat 3 and a pressure plate connector 4 which are sequentially connected from top to bottom, wherein a plunger rod 5 is arranged in the plunger seat 1 in a sliding manner, the lower end of the plunger rod 5 extends out of the plunger seat 1 and is connected with a movable valve core 6, a lifting shaft 7 is arranged in the pressure plate connector 4 in a sliding manner, the upper end of the lifting shaft 7 extends out of the pressure plate connector 4 and is connected with the movable valve core 6, the upper end of the movable valve core 6 is connected with the plunger rod 5, the lower end of the lifting shaft 7 is connected with the lifting shaft 7, a cutting valve connector 8 is sleeved outside the movable valve core 6 in a sliding manner, a movable valve 9 is sleeved outside the lifting shaft 7, a valve plate 10 is arranged above the pressure plate connector 4, and when the movable valve core 6 moves downwards, a gap is formed between the movable valve core 6 and the cutting valve connector 8, a discharging channel I11 is opened; when the movable valve core 6 moves upwards to be in contact with the cut valve joint 8, the first discharging channel 11 is blocked. When the lifting shaft 7 moves upwards to drive the movable valve 9 to move upwards, a gap is formed between the movable valve 9 and the valve plate 10, and the second discharging channel 12 is opened; when the lifting shaft 7 moves downwards and drives the movable valve 9 to move downwards to abut against the valve plate 10, the second discharging channel 12 is blocked.
The glue pump has the following defects: 1. the inner side wall of the valve cutting joint 8 is right-angled with the lower end surface, point-surface sealing is formed between the valve cutting joint 8 and the movable valve core 6, the right angle formed by the inner side wall of the valve cutting joint 8 and the lower end surface is intermittently abutted against the conical surface I13 of the movable valve core 6 in the up-down movement process of the movable valve core 6, and a wear groove I14 is easily formed at the conical surface I13 of the movable valve core 6, so that the abutting sealing effect of the valve cutting joint 8 and the movable valve core 6 is poor; 2. the inside wall and the up end of valve block 10 become the right angle, form the point face seal between valve block 10 and the movable valve 9, and at the in-process of moving about the movable valve 9, the right angle that valve block 10's inside wall and up end formed is contradicted with the conical surface second 15 intermittent type of movable valve 9, forms wearing and tearing recess second 16 in the conical surface second 15 department of movable valve 9 easily, and then leads to the interference sealed effect of movable valve 9 and valve block 10 not good.
The utility model comprises the following steps:
the utility model aims to provide a sealing structure of a glue pump, wherein the first conical surface of a movable valve core and the third conical surface of a cutting valve connector are in conflict to form surface-to-surface sealing, so that a wear groove is effectively prevented from being formed on the first conical surface, the sealing effect is good, and the service life is long; the second conical surface of the movable valve and the fourth conical surface of the valve plate are in interference with each other to form surface-to-surface sealing, so that the abrasion groove is effectively prevented from being formed on the second conical surface, the sealing effect is good, and the service life is long.
The utility model is realized in the following way:
the utility model provides a seal structure of gluing pump, includes movable case, carries the material axle, cuts valve joint, movable valve and valve block, be equipped with on the movable case with cut valve joint conflict sealed conical surface one, the diameter of conical surface one is big-end-up, be equipped with on the movable valve with valve block conflict sealed conical surface two, the diameter of conical surface two is big-end-up, form conical surface three between the inside wall and the lower terminal surface of valve joint, conical surface three inclination is the same with conical surface one's inclination, form conical surface four between the inside wall and the up end of valve block, conical surface four inclination is the same with conical surface two's inclination.
In the sealing structure of the glue pump, the inclination angle alpha of the first conical surface is 40-50 degrees, and the inclination angle beta of the second conical surface is 40-50 degrees.
In the sealing structure of the glue dispensing pump, the height h1 of the third conical surface is 1.5mm-2mm, and the height h2 of the fourth conical surface is 1.5mm-2.5mm.
In the sealing structure of the glue pump, the lower end of the lifting shaft is connected with the lifting plate, the lifting shaft is sleeved with the lifting sliding block positioned above the lifting plate in a sliding manner, the inner hole wall of the lifting sliding block is an inner conical surface with a small diameter and a large diameter, and a conical surface five which is in contact with the inner conical surface in sealing manner is formed between the upper end surface and the outer side wall of the lifting plate.
In the sealing structure of the glue pump, the inner conical surface comprises a conical surface six positioned above and a conical surface seven positioned below the conical surface six, the inclination angle gamma of the conical surface six is larger than the inclination angle delta of the conical surface seven, and the inclination angle of the conical surface five is the same as the inclination angle of the conical surface seven.
In the sealing structure of the glue pump, the inclination angle delta of the conical surface seven is 40-50 degrees.
In the sealing structure of the glue dispensing pump, the height h3 of the conical surface five is 1.5mm-2.5mm.
In the sealing structure of the glue spraying pump, the conical surface seven and the lower end surface of the lifting plate are in transition through a round angle.
Compared with the prior art, the utility model has the outstanding advantages that:
1. the conical surface I of the movable valve core and the conical surface III of the cutting valve connector are in conflict to form surface-to-surface sealing, so that a wear groove is effectively prevented from being formed on the conical surface I, the sealing effect is good, and the service life is long; the second conical surface of the movable valve is abutted against the fourth conical surface of the valve plate to form surface-to-surface sealing, so that a wear groove is effectively prevented from being formed on the second conical surface, the sealing effect is good, and the service life is long;
2. the inner conical surface of the lifting sliding block is in contact with the conical surface of the lifting plate to form surface-to-surface sealing, so that the abrasion groove is effectively prevented from being formed on the inner conical surface, and the sealing effect is good.
Description of the drawings:
FIG. 1 is a cross-sectional view of the prior art;
fig. 2 is a cross-sectional view of the present utility model.
Reference numerals:
in fig. 1: 1. a plunger seat; 2. a plunger; 3. a plunger connecting seat; 4. a platen joint; 5. a plunger rod; 6. a movable valve core; 7. a material lifting shaft; 8. a switching valve joint; 9. a movable valve; 10. a valve plate; 11. a first discharging channel; 12. a second discharging channel; 13. a conical surface I; 14. the first abrasion groove is formed; 15. a conical surface II; 16. and the second abrasion groove is formed.
In fig. 2: 21. a movable valve core; 22. a material lifting shaft; 23. a switching valve joint; 24. a movable valve; 25. a valve plate; 26. a conical surface I; 27. a conical surface II; 28. a conical surface III; 29. a conical surface IV; 30. a lifting plate; 31. a material lifting sliding block; 32. fifthly, a conical surface is formed; 33. a conical surface six; 34. and a conical surface seven.
The specific embodiment is as follows:
the utility model is further described below with reference to fig. 2 by way of specific examples:
the utility model provides a seal structure of gluing pump, includes movable case 21, lifting shaft 22, cut valve joint 23, movable valve 24 and valve block 25, be equipped with on the movable case 21 with cut valve joint 23 conflict sealed conical surface one 26, the diameter of conical surface one 26 is big-end-down, be equipped with on the movable valve 24 with valve block 25 conflict sealed conical surface two 27, the diameter of conical surface two 27 is big-end-down, form conical surface three 28 between the inside wall and the lower terminal surface of cut valve joint 23, conical surface three 28 inclination is the same with conical surface one 26, form conical surface four 29 between the inside wall and the up end of valve block 25, conical surface four 29's inclination is the same with conical surface two 27.
As shown in fig. 2, the first conical surface 26 of the movable valve core 21 and the third conical surface 28 of the cutting valve connector 23 are in interference fit to form surface-to-surface sealing, so that a wear groove is effectively prevented from being formed on the first conical surface 26, the sealing effect is good, and the service life is long; the second conical surface 27 of the movable valve 24 is abutted against the fourth conical surface 29 of the valve plate 25 to form surface-to-surface sealing, so that the abrasion groove is effectively prevented from being formed on the second conical surface 27, the sealing effect is good, and the service life is long.
Preferably, the angle of inclination α of the first conical surface 26 is 40 ° to 50 °, and the angle of inclination β of the second conical surface 27 is 40 ° to 50 °. In this embodiment, the angle α of inclination of the first tapered surface 26 is 45 °, and the angle β of inclination of the second tapered surface 27 is 45 °.
For better sealing effect, the height h1 of the third conical surface 28 is 1.5mm-2mm, and the height h2 of the fourth conical surface 29 is 1.5mm-2.5mm. In this embodiment, the height h1 of the third conical surface 28 is 1.75mm, and the height h2 of the fourth conical surface 29 is 2mm.
Lifting structure: as shown in fig. 2, the lower end of the material lifting shaft 22 is connected with a material lifting plate 30, the material lifting shaft 22 is slidably sleeved with a material lifting slide block 31 positioned above the material lifting plate 30, the inner hole wall of the material lifting slide block 31 is an inner conical surface with a smaller diameter and a larger diameter, and a conical surface five 32 which is in abutting sealing with the inner conical surface is formed between the upper end surface and the outer side wall of the material lifting plate 30. The inner conical surface of the lifting slide block 31 is in contact with the conical surface five 32 of the lifting plate 30 to form surface-to-surface sealing, so that a wear groove is effectively prevented from being formed on the inner conical surface, and the sealing effect is good.
The structure of the inner conical surface: the inner cone surface comprises a cone six 33 positioned above and a cone seven 34 positioned below the cone six 33, the inclination angle gamma of the cone six 33 is larger than the inclination angle delta of the cone seven 34, and the inclination angle of the cone five 32 is the same as the inclination angle of the cone seven 34.
Preferably, the inclination angle delta of the conical surface seven 34 is 40 degrees to 50 degrees. In this embodiment, the inclination angle δ of the tapered surface seven 34 is 45 °.
For better sealing effect, the height h3 of the conical surface five 32 is 1.5mm-2.5mm. In this embodiment, the height h3 of the conical surface five 32 is 2mm.
Further, the conical surface seven 34 and the lower end surface of the lifter plate 30 are in rounded transition.
The above embodiment is only one of the preferred embodiments of the present utility model, and is not intended to limit the scope of the present utility model, therefore: all equivalent changes in shape, structure and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (8)
1. The utility model provides a seal structure of gluing pump, includes movable case (21), carries material axle (22), cut valve joint (23), movable valve (24) and valve block (25), be equipped with on movable case (21) with cut valve joint (23) conflict sealed conical surface one (26), the diameter of conical surface one (26) is big from top to bottom, be equipped with on movable valve (24) with valve block (25) conflict sealed conical surface two (27), the diameter of conical surface two (27) is big from top to bottom, its characterized in that: a conical surface III (28) is formed between the inner side wall and the lower end surface of the valve cutting joint (23), the inclination angle of the conical surface III (28) is the same as that of the conical surface I (26), a conical surface IV (29) is formed between the inner side wall and the upper end surface of the valve plate (25), and the inclination angle of the conical surface IV (29) is the same as that of the conical surface II (27).
2. The sealing structure of a glue pump according to claim 1, wherein: the inclination angle of the first conical surface (26) is 40-50 degrees, and the inclination angle of the second conical surface (27) is 40-50 degrees.
3. The sealing structure of a glue pump according to claim 1, wherein: the height of the conical surface III (28) is 1.5mm-2mm, and the height of the conical surface IV (29) is 1.5mm-2.5mm.
4. The sealing structure of a glue pump according to claim 1, wherein: the material lifting device is characterized in that the lower end of the material lifting shaft (22) is connected with a material lifting plate (30), the material lifting shaft (22) is sleeved with a material lifting sliding block (31) positioned above the material lifting plate (30) in a sliding manner, the inner hole wall of the material lifting sliding block (31) is an inner conical surface with a small diameter and a large diameter, and a conical surface five (32) which is in contact with the inner conical surface and is sealed is formed between the upper end surface and the outer side wall of the material lifting plate (30).
5. The sealing structure of a glue pump according to claim 4, wherein: the inner cone surface comprises a cone six (33) positioned above and a cone seven (34) positioned below the cone six (33), the inclination angle of the cone six (33) is larger than that of the cone seven (34), and the inclination angle of the cone five (32) is the same as that of the cone seven (34).
6. The sealing structure of a glue pump according to claim 5, wherein: the inclination angle of the conical surface seven (34) is 40-50 degrees.
7. The sealing structure of a glue pump according to claim 5, wherein: the height of the conical surface five (32) is 1.5mm-2.5mm.
8. The sealing structure of a glue pump according to claim 5, wherein: the conical surface seven (34) and the lower end surface of the lifting plate (30) are in transition through a round angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322181478.6U CN220487835U (en) | 2023-08-14 | 2023-08-14 | Sealing structure of glue spraying pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322181478.6U CN220487835U (en) | 2023-08-14 | 2023-08-14 | Sealing structure of glue spraying pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220487835U true CN220487835U (en) | 2024-02-13 |
Family
ID=89828867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322181478.6U Active CN220487835U (en) | 2023-08-14 | 2023-08-14 | Sealing structure of glue spraying pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220487835U (en) |
-
2023
- 2023-08-14 CN CN202322181478.6U patent/CN220487835U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201250904Y (en) | V-shaped canvas filler grommet | |
| CN105149167B (en) | A kind of negative pressure feedback resorption ejector pin type glue dispensing valve | |
| CN220487835U (en) | Sealing structure of glue spraying pump | |
| CN210265324U (en) | Piston guide structure of hydraulic breaking hammer | |
| CN201225272Y (en) | One-way valve | |
| CN207648140U (en) | A kind of sealing structure for shaft end | |
| CN220555989U (en) | Plunger pump inner lower sealing structure | |
| CN216152242U (en) | Sealing washer pressure equipment device | |
| CN209788890U (en) | Cosmetic container capable of preventing material dropping from nozzle discharge hole | |
| CN114738250B (en) | High-temperature high-pressure mortar pump | |
| CN218895053U (en) | Engineering machinery vibration reduction control valve | |
| CN217874166U (en) | Novel Y-shaped sealing ring for automobile hydraulic jack | |
| CN109911829A (en) | Grease filling valve | |
| CN212829219U (en) | Suppository filling device with novel seal structure | |
| CN220429390U (en) | Pressure flitch and automatic exhaust mechanism | |
| CN221300075U (en) | Sealing ring structure with good sealing performance | |
| CN219712384U (en) | Gate valve with good sealing performance | |
| CN212600030U (en) | Sealing gasket mounting mechanism of liquefied petroleum gas cylinder valve assembling machine | |
| CN215172711U (en) | High frequency trip valve seal structure | |
| CN212717091U (en) | Unloading one-way valve of air compressor | |
| CN217301369U (en) | Motorcycle brake pump assembly | |
| CN112917759B (en) | Automatic unloader of mould | |
| CN218689609U (en) | Liquid transfer mechanism of automatic capacity switching liquid transfer pump | |
| CN215046940U (en) | Automatic feeding mechanism for miniature rubber sealing ring | |
| CN216137544U (en) | Three-way valve for glue dispenser |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |