CN213684661U - Sealing structure for pump - Google Patents
Sealing structure for pump Download PDFInfo
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- CN213684661U CN213684661U CN202022824580.XU CN202022824580U CN213684661U CN 213684661 U CN213684661 U CN 213684661U CN 202022824580 U CN202022824580 U CN 202022824580U CN 213684661 U CN213684661 U CN 213684661U
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Abstract
The utility model provides a seal structure for pump belongs to pump body sealing technical field, including fixed cover, adapter sleeve, a plurality of spliced pole, sealing washer, holding ring and retaining member. A plurality of connecting columns are fixed on the connecting sleeve at intervals and penetrate through the fixing sleeve. The sealing ring is arranged between the fixed sleeve and the connecting sleeve and clamped on the clamping groove. The outside of sealing washer is located to the holding ring, and the inner circle of holding ring is provided with the bellying. The retaining member is in threaded connection with the end part of the connecting column, and the retaining member is used for enabling the connecting sleeve and the fixing sleeve to abut against the upper side face and the lower side face of the positioning ring respectively. The sealing ring deforms to a position between the fixing sleeve and the connecting sleeve by means of extrusion of the fixing sleeve and the connecting sleeve and limiting of the protruding portion, so that sealing is achieved. The utility model provides a seal structure for pump passes through the holding ring and guarantees the interval between fixed cover and the adapter sleeve, simultaneously through the extrusion seal circle, has guaranteed sealed effect, has improved product quality, has ensured that the pump has longer life.
Description
Technical Field
The utility model belongs to the technical field of pump body seal, more specifically say, relate to seal structure for pump.
Background
Need guarantee the leakproofness through setting up relevant structure before the pump is put into use, but owing to make and installation error for finally still have revealing of partial liquid, especially the pump body is connected with the pump cover, and the life of whole pump has been decided to the quality of its leakproofness, but current seal structure still can't guarantee good sealed effect, has influenced product quality, has shortened the life of pump.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a seal structure for pump aims at solving and still can't guarantee good sealed effect, has influenced product quality, has shortened the life's of pump problem.
In order to achieve the above object, the utility model adopts the following technical scheme: provided is a seal structure for a pump, including:
the fixed sleeve is used for being fixed on the periphery of the pump body, and a clamping groove is formed in the circumferential direction of the fixed sleeve;
the connecting sleeve is used for being fixed on the periphery of the pump cover and arranged above the fixing sleeve;
the connecting columns are fixed on the connecting sleeves at intervals and penetrate through the fixing sleeves;
the sealing ring is arranged between the fixed sleeve and the connecting sleeve and clamped on the clamping groove;
the positioning ring is arranged on the outer side of the sealing ring, and a convex part is arranged on the inner ring of the positioning ring;
the locking piece is in threaded connection with the end part of the connecting column and is used for enabling the connecting sleeve and the fixing sleeve to abut against the upper side surface and the lower side surface of the positioning ring respectively;
the sealing ring is deformed to the position between the fixed sleeve and the connecting sleeve to realize sealing by means of the extrusion of the fixed sleeve and the connecting sleeve and the limit of the bulge.
As another embodiment of the present application, a plurality of connecting posts all extend through the retaining ring.
As another embodiment of the present application, the upper and lower planes of the positioning ring are disposed in parallel.
As another embodiment of the present application, the positioning ring is integrally formed with the boss.
As another embodiment of this application, offer on the fixed cover and be used for the joint the draw-in groove of sealing washer.
As another embodiment of the application, the sealing ring is provided with a pressing groove which is attached to the bulge part along the outer peripheral surface of the sealing ring.
As another embodiment of this application, the adapter sleeve is close to the side of fixed cover has seted up the ring channel, be provided with on the sealing washer with the protruding piece of ring channel looks adaptation.
As another embodiment of this application, the interior edge of sealing washer is provided with anticorrosive hem, just anticorrosive hem is laminated respectively fixed cover with on the connecting sleeve.
As another embodiment of this application, anticorrosive hem extends to protruding piece, protruding piece bonds in the ring channel, anticorrosive hem bonds respectively in fixed cover with on the connecting sleeve.
The utility model provides a seal structure for pump's beneficial effect lies in: compared with the prior art, the utility model discloses the periphery of the pump body is fixed with fixed cover in the seal structure for the pump, is fixed with the adapter sleeve in the periphery of pump cover, and the adapter sleeve is located the top of fixed cover. The connecting columns penetrate through the fixing sleeve. The retaining member is in threaded connection with the end of the connecting column. And a positioning ring is arranged on the outer side of the sealing ring, and a convex part is arranged on the inner ring of the positioning ring.
During actual installation, the sealing ring is firstly clamped in a clamping groove in the circumferential direction of the fixing sleeve, the connecting column penetrates through the fixing sleeve, and due to the arrangement of the positioning ring, when the locking part is locked, the fixing sleeve, the protruding part and the connecting sleeve respectively extrude the sealing ring, so that the sealing ring seals the position between the fixing sleeve and the connecting sleeve, and finally the fixing sleeve and the connecting sleeve respectively abut against the upper side surface and the lower side surface of the positioning ring. In this application, guarantee the interval between fixed cover and the adapter sleeve through the holding ring, through extrusion seal circle, guaranteed sealed effect simultaneously, improved product quality, ensured that the pump has longer life.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural view of a sealing structure for a pump according to a first embodiment of the present invention;
fig. 2 is a schematic structural view of a sealing structure for a pump according to a second embodiment of the present invention;
fig. 3 is a schematic structural view of a sealing structure for a pump according to a third embodiment of the present invention;
fig. 4 is a schematic structural view of a sealing structure for a pump according to the fourth embodiment of the present invention.
In the figure: 1. a pump body; 2. a pump cover; 3. connecting sleeves; 4. fixing a sleeve; 5. a seal ring; 6. a positioning ring; 7. connecting columns; 8. a locking member; 9. a card slot; 10. a positioning sleeve; 11. a raised block; 12. performing corrosion prevention and edge folding; 13. a raised portion.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 4 together, the sealing structure for pump according to the present invention will now be described. The pump sealing structure comprises a fixing sleeve 4, a connecting sleeve 3, a plurality of connecting columns 7, a sealing ring 5, a positioning ring 6 and a locking piece 8. The fixed sleeve 4 is used for being fixed on the periphery of the pump body 1, and a clamping groove 9 is formed in the circumferential direction of the fixed sleeve 4. The connecting sleeve 3 is used for being fixed on the periphery of the pump cover 2 and is arranged above the fixed sleeve 4. A plurality of connecting columns 7 are fixed on the connecting sleeve 3 at intervals and penetrate through the fixing sleeve 4. The sealing ring 5 is arranged between the fixed sleeve 4 and the connecting sleeve 3, and the sealing ring 5 is clamped on the clamping groove 9. The positioning ring 6 is arranged on the outer side of the sealing ring 5, and a convex part 13 is arranged on the inner ring of the positioning ring 6. The retaining member 8 is in threaded connection with the end of the connecting column 7, and the retaining member 8 is used for enabling the connecting sleeve 3 and the fixing sleeve 4 to abut against the upper side face and the lower side face of the positioning ring 6 respectively. The sealing ring 5 is deformed between the fixing sleeve 4 and the connecting sleeve 3 by means of extrusion of the fixing sleeve 4 and the connecting sleeve 3 and limitation of the convex part 13 so as to realize sealing.
The utility model provides a seal structure for pump's beneficial effect lies in: compared with the prior art, the utility model discloses the periphery of the pump body 1 is fixed with fixed cover 4 among the seal structure for the pump, is fixed with adapter sleeve 3 in the periphery of pump cover 2, and a plurality of spliced poles 7 all run through fixed cover 4. The locking piece 8 is screwed at the end of the connecting column 7. A positioning ring 6 is arranged on the outer side of the sealing ring 5, and a convex part 13 is arranged on the inner ring of the positioning ring 6.
During actual installation, firstly, the sealing ring 5 is clamped in a clamping groove 9 in the circumferential direction of the fixing sleeve 4, the connecting column 7 penetrates through the fixing sleeve 4, due to the arrangement of the positioning ring 6, when the locking part 8 is locked, the fixing sleeve 4, the protruding part 13 and the connecting sleeve 3 respectively extrude the sealing ring 5, so that the sealing ring 5 seals between the fixing sleeve 4 and the connecting sleeve 3, and finally, the fixing sleeve 4 and the connecting sleeve 3 respectively lean against the upper side surface and the lower side surface of the positioning ring 6. In this application, guarantee the interval between fixed cover 4 and the adapter sleeve 3 through holding ring 6, through extrusion seal 5, guaranteed sealed effect simultaneously, improved product quality, ensured that the pump has longer life.
As a specific implementation of the sealing structure for pump of the present invention, please refer to fig. 1 to 4 together, and the plurality of connecting posts 7 all penetrate the positioning ring 6. Set up the through-hole with spliced pole 7 looks adaptation on the holding ring 6, through making spliced pole 7 run through holding ring 6 to guarantee the stability of holding ring 6 relative position, avoided holding ring 6's swing.
As a specific embodiment of the sealing structure for pump of the present invention, please refer to fig. 1 to 4 together, and the upper and lower planes of the positioning ring 6 are arranged in parallel. Set up the external screw thread with retaining member 8 threaded connection on spliced pole 7, the deformation of sealing washer 5 can be spacing to bellying 13 in the in-process of screwing up retaining member 8. In order to ensure a reliable connection of the connecting sleeve 3 and the fixing sleeve 4, a plurality of connecting columns 7 are usually provided, and corresponding locking elements 8 are connected to the connecting columns 7. In order to guarantee the accuracy of installation, two upper and lower plane parallel arrangement and the interval of holding ring 6 equal, at the in-process of actual installation, rotate retaining member 8, adapter sleeve 3 diminishes with fixed 4 intervals of cover, when retaining member 8 can't continue to rotate, accomplish the installation promptly, can guarantee fixed cover 4 and adapter sleeve 3 intervals this moment and equal to the precision of installation has been guaranteed.
As a specific embodiment of the sealing structure for pump of the present invention, please refer to fig. 3, the positioning ring 6 is integrally formed with the protrusion 13. The positioning ring 6 is arranged between the fixing sleeve 4 and the connecting sleeve 3, and in order to improve the connecting strength between the positioning ring 6 and the protruding part 13, the positioning ring 6 and the protruding part 13 are integrally formed, so that cracks are prevented from being generated between the positioning ring 6 and the protruding part 13. The positioning ring 6 is arranged along the circumference of the sealing ring 5, so that the positioning ring 6 limits the displacement of the projection 13 to a certain extent.
The connecting column 7 can be directly welded and fixed on the connecting sleeve 3, the connecting column 7 can also be matched with the connecting sleeve 3 in a splicing manner, the end part of the connecting column 7 can extend to the outer side of the connecting sleeve 3, one end of the connecting column 7, which is far away from the locking part 8, is in threaded connection with the positioning sleeve 10, and the connecting sleeve 3 and the fixing sleeve 4 are respectively abutted against the positioning ring 6 by rotating the positioning sleeve 10 and the locking sleeve.
As a specific implementation manner of the sealing structure for pump of the present invention, please refer to fig. 1 to 4 together, and the fixing sleeve 4 is provided with a clamping groove 9 for clamping the sealing ring 5. Because sealing washer 5 pressurized deformation when screwing up retaining member 8, in order to improve the installation accuracy of sealing washer 5, consequently seted up draw-in groove 9 on fixed cover 4, draw-in groove 9 is seted up along the circumference of fixed cover 4, at first with the bottom joint of sealing washer 5 in draw-in groove 9, has guaranteed the stability of sealing washer 5 for fixed cover 4. At the in-process of screwing up retaining member 8, can extrude sealing washer 5, because the bottom joint of sealing washer 5 is in draw-in groove 9 to reduce the deformable scope of sealing washer 5, guaranteed the unanimity that sealing washer 5 warp when the pressurized.
As a specific embodiment of the sealing structure for pump of the present invention, please refer to fig. 1 to 4 together, and the sealing structure is provided along the outer peripheral surface of the sealing ring 5 and attached to the protruding portion 13 to be disposed in the extruding groove. In order to shrink and deform the upper side and the lower side of the sealing ring 5 uniformly under the action of the positioning ring 6, an extrusion groove is formed in the outer peripheral surface of the middle of the sealing ring 5, the sealing ring 5 extrudes the protruding part 13 when the locking part 8 is screwed, and the extrusion groove and the protruding part 13 are attached to each other, so that the upper side and the lower side of the sealing ring 5 can deform, and the gap between the connecting sleeve 3 and the fixing sleeve 4 can be sealed by the sealing ring 5.
As a specific implementation manner of the sealing structure for pump provided in the present invention, please refer to fig. 3, the side of the connecting sleeve 3 close to the fixing sleeve 4 is provided with an annular groove, and the sealing ring 5 is provided with a protruding block 11 adapted to the annular groove. The draw-in groove 9 that sets up in this application on the fixed cover 4 and sealing washer 5 joint to can sealing washer 5 extrusion draw-in groove 9 under retaining member 8's effect, thereby form sealed one. The sealing ring 5 is pressed against the projection 13 by the locking element 8, thereby forming a seal. The sealing ring 5 is pressed against the connecting sleeve 3 under the action of the locking element 8 to form a seal. Because the pump vibrates at the operation in-process, in order to avoid the inefficacy of leakproofness between adapter sleeve 3 and the fixed cover 4, further improve sealing performance simultaneously, at first the side of adapter sleeve 3 near fixed cover 4 has seted up the ring channel, protruding piece 11 extends to in the ring channel, and with the cooperation of ring channel joint, because the existence of bellying 13, thereby seal ring 5 has been increased with the effectual area of contact of adapter sleeve 3, avoided having because the vibration makes the inefficacy of seal ring 5 with adapter sleeve 3, the leakproofness has been protected.
As a specific implementation manner of the sealing structure for pump provided in the present invention, please refer to fig. 4, the inner edge of the sealing ring 5 is provided with an anti-corrosion folded edge 12, and the anti-corrosion folded edge 12 is respectively attached to the fixing sleeve 4 and the connecting sleeve 3. Because the operating environment in the pump has great difference with the outside, in order to satisfy flexible deformation, sealing washer 5 is rubber materials finished piece under the normal condition, and the material of different application scenes sealing washer 5 also needs corresponding change, in order to improve the suitability, guarantees sealing washer 5's life, avoids sealing washer 5 to begin to corrode from the pump body 1, sets up anticorrosive hem 12 for this reason. The main function of the sealing ring 5 is to seal and the function of the anti-corrosion flange 12 is to isolate the pump from the outside, thereby widening the material available for the sealing ring 5.
As a specific implementation manner of the sealing structure for pump provided in the present invention, please refer to fig. 4, the anti-corrosion edge 12 extends to the protruding block 11, the protruding block 11 is bonded in the annular groove, and the anti-corrosion edge 12 is bonded on the fixing sleeve 4 and the connecting sleeve 3 respectively. In order to improve the tightness, the anti-corrosion folded edge 12 and the convex block 11 can be bonded on the corresponding connecting sleeve 3 and the corresponding fixing sleeve 4, so that the sealing failure caused by dislocation is avoided.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. Seal structure for pump, its characterized in that includes:
the fixed sleeve is used for being fixed on the periphery of the pump body, and a clamping groove is formed in the circumferential direction of the fixed sleeve;
the connecting sleeve is used for being fixed on the periphery of the pump cover and arranged above the fixing sleeve;
the connecting columns are fixed on the connecting sleeves at intervals and penetrate through the fixing sleeves;
the sealing ring is arranged between the fixed sleeve and the connecting sleeve and clamped on the clamping groove;
the positioning ring is arranged on the outer side of the sealing ring, and a convex part is arranged on the inner ring of the positioning ring;
the locking piece is in threaded connection with the end part of the connecting column and is used for enabling the connecting sleeve and the fixing sleeve to abut against the upper side surface and the lower side surface of the positioning ring respectively;
the sealing ring is deformed to the position between the fixed sleeve and the connecting sleeve to realize sealing by means of the extrusion of the fixed sleeve and the connecting sleeve and the limit of the bulge.
2. The seal structure for a pump of claim 1, wherein a plurality of said attachment posts each extend through said retaining ring.
3. The seal structure for a pump according to claim 1, wherein the upper and lower planes of said positioning ring are arranged in parallel.
4. The seal structure for a pump according to claim 1, wherein said positioning ring is integrally formed with said boss.
5. The seal structure for pump according to claim 1, wherein the fixing sleeve is provided with a groove for engaging with the seal ring.
6. The seal structure for a pump according to claim 1, wherein a pressing groove is provided along an outer peripheral surface of the seal ring so as to be in close contact with the projection.
7. The seal structure for pump according to claim 6, wherein the side of the connection sleeve near the fixing sleeve is provided with an annular groove, and the sealing ring is provided with a convex block matched with the annular groove.
8. The seal structure for pump according to claim 7, wherein an inner edge of the seal ring is provided with an anti-corrosion folded edge, and the anti-corrosion folded edge is respectively attached to the fixing sleeve and the connecting sleeve.
9. The seal structure for a pump according to claim 8, wherein said corrosion prevention flange extends to said projection piece, said projection piece is bonded in said annular groove, and said corrosion prevention flange is bonded to said fixing cover and said coupling cover, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022824580.XU CN213684661U (en) | 2020-11-30 | 2020-11-30 | Sealing structure for pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022824580.XU CN213684661U (en) | 2020-11-30 | 2020-11-30 | Sealing structure for pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213684661U true CN213684661U (en) | 2021-07-13 |
Family
ID=76737918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022824580.XU Active CN213684661U (en) | 2020-11-30 | 2020-11-30 | Sealing structure for pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213684661U (en) |
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2020
- 2020-11-30 CN CN202022824580.XU patent/CN213684661U/en active Active
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