CN206487674U - A kind of impeller pump mechanical seal structure and the impeller pump with it - Google Patents

A kind of impeller pump mechanical seal structure and the impeller pump with it Download PDF

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Publication number
CN206487674U
CN206487674U CN201720144633.9U CN201720144633U CN206487674U CN 206487674 U CN206487674 U CN 206487674U CN 201720144633 U CN201720144633 U CN 201720144633U CN 206487674 U CN206487674 U CN 206487674U
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Prior art keywords
ring
rotating
stationary ring
mechanical seal
impeller pump
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CN201720144633.9U
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Chinese (zh)
Inventor
项少聪
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SHANGHAI YUANAN LIQUID EQUIPMENT CO Ltd
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SHANGHAI YUANAN LIQUID EQUIPMENT CO Ltd
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Abstract

The utility model provides a kind of impeller pump mechanical seal structure and the impeller pump with it, and wherein impeller pump mechanical seal structure includes:Stationary ring, rotating ring, the first sealing ring and the second sealing ring.Stationary ring, the side of the remote rotor of the pump housing is fixedly mounted on by the first mounting structure;Rotating ring, is fixedly mounted in rotating shaft by the second mounting structure, and when rotating shaft is rotatably connected with the pump housing, the inwall and pump housing inwall of stationary ring are relative with the outer wall of rotating shaft, forms the first gap, and rotating ring is sealed in the presence of the second mounting structure with stationary ring jam-packed.Stationary ring is fixedly mounted on the side of the remote rotor of the pump housing by the first mounting structure by inventor, the structure setting mode of stationary ring and the first sealing ring, the ratio that first gap is set is larger, when rotor washing pump, first inner space can accommodate larger current, big current not only conveniently wash away residual material, moreover it is possible to accelerate dissolved material, so as to easily efficiently wash residue material.

Description

A kind of impeller pump mechanical seal structure and the impeller pump with it
Technical field
The utility model is related to rotor pump technical field, and in particular to a kind of impeller pump mechanical seal structure and with it Impeller pump.
Background technology
Impeller pump, also known as colloid pump, vane pump, general-purpose delivery pump, are particularly suitable for use in transfer of highly viscous, high concentration and any Medium containing particle, material through its conveying can keep original quality constant, and will not rise in course of conveying any Physical and chemical reaction.
During rotor pump work, material bears elevated pressures in rotor pump output terminal, it is easy between the circumference of axle and the pump housing Revealed in gap, accordingly, it would be desirable to carry out sealing.At present, the sealing of impeller pump mainly uses mechanical seal and packing seal, and Based on mechanical seal.
In the prior art, common impeller pump mechanical seal structure be forced using spring the rotating ring end face that rotates with axle with The stationary ring end face of geo-stationary is mutually brought into close contact to form sealing, and between rotating ring and rotor using O-ring seal, stationary ring with Sealed between the pump housing using O-ring.In order to ensure that O-ring has good sealing effectiveness, gap and stationary ring between rotating ring and rotor Gap between the pump housing is required to as small as possible, can just O-ring is brought into close contact.However, gap is too small, residual can be caused Material in small gaps is inconvenient to clean, and rotating ring is also resulted in after solidification and crystallization very big resistance is run into when being rotated with axle Power, is easily broken off, and then causes material to be revealed, influence equipment and personal safety, in addition, different from marine store composition in conveying During new material, the marine store of residual can pollute new material.
Utility model content
Therefore, the technical problems to be solved in the utility model is to overcome impeller pump mechanical seal structure of the prior art Easy residual material and be inconvenient to clean, rotating ring breakage is easily caused after residual material crystallization and freezing, material is revealed, influence equipment With the technological deficiency of personal safety, so as to provide a kind of impeller pump mechanical seal structure for facilitating wash residue material.
The utility model also provides a kind of impeller pump with above-mentioned impeller pump mechanical seal structure.
Therefore, the utility model provides a kind of impeller pump mechanical seal structure, including:
Stationary ring, the side of the remote rotor of the pump housing is fixedly mounted on by the first mounting structure;
Rotating ring, is fixedly mounted in rotating shaft by the second mounting structure;
When the rotating shaft and the pump housing are rotatably connected, the inwall of the stationary ring and the pump housing inwall with it is described The outer wall of rotating shaft is relative, forms the first gap, the rotating ring in the presence of second mounting structure with the stationary ring jam-packed Sealing;
First sealing ring, is arranged between the side of the direction of the stationary ring rotor and the pump housing, for sealing Connect the stationary ring and the pump housing;
Second sealing ring, is arranged between the rotating ring and second mounting structure, for being tightly connected the rotating ring With second mounting structure.
As a kind of preferred scheme, the impeller pump mechanical seal structure according to claim, it is characterised in that:It is described First mounting structure includes:
Installation step, is arranged on the pump housing;
Gland, is fixedly mounted on the side of the remote rotor of the pump housing, stationary ring extruding is fixed on described On installation step.
As a kind of preferred scheme, the direction rotor side side wall of the installation step is provided with the first mounting groove, First sealing ring is arranged in first mounting groove, is extruded and is fixed by the stationary ring.
As a kind of preferred scheme, the second installation is additionally provided with the side side wall of the direction rotor of the installation step Groove, pin one end is fit into inside second mounting groove, and the other end is fit into inside the stationary ring, described for preventing Stationary ring follows the axis of rotation.
As a kind of preferred scheme, the stationary ring also has the bulge loop of the protruding gland, and the rotating ring is provided with The L-type groove of crush seal can be coordinated with the bulge loop.
As a kind of preferred scheme, the rotating shaft includes relative with the pump housing inwall with the stationary ring inwall first Section, and for installing the second segment of the rotating ring, the diameter of first paragraph described in the diameter > of the second segment.
As a kind of preferred scheme, the inwall of the bulge loop is contacted with the outer wall laminating of the second segment.
As a kind of preferred scheme, second mounting structure includes:
Rotating seat, is fixedly mounted in the rotating shaft;
Ripple spring, is set on the rotating seat, and one end is abutted with the lug boss of the rotating seat, the other end and the rotating ring Abut, for extruding the rotating ring, the rotating ring is connected with the stationary ring crush seal.
As a kind of preferred scheme, it is connected with the L-type groove and shape between the part away from the stationary ring and the rotating shaft Into accommodating chamber, the accommodating chamber is inserted in one end of the rotating seat at the opening of the accommodating chamber, and with the rotating ring Wall laminating contact, the part do not inserted by the rotating seat is used to install second sealing ring.
The utility model also provides a kind of impeller pump, is provided with above-mentioned impeller pump mechanical seal structure.
The impeller pump mechanical seal structure that the utility model is provided and the impeller pump with it, with advantages below:
1. impeller pump mechanical seal structure of the present utility model, including stationary ring, rotating ring, the first sealing ring and the second sealing Circle.Stationary ring, the side of the remote rotor of the pump housing is fixedly mounted on by the first mounting structure;Rotating ring, passes through the second mounting structure It is fixedly mounted in rotating shaft, when rotating shaft is rotatably connected with the pump housing, the inwall and pump housing inwall and the outer wall of rotating shaft of stationary ring Relatively, the first gap is formed, rotating ring is sealed in the presence of the second mounting structure with stationary ring jam-packed.Inventor installs by first Stationary ring is fixedly mounted on the side of the remote rotor of the pump housing by structure, and the first sealing ring is arranged on to one towards rotor of stationary ring Between side and the pump housing, the first gap is formed between stationary ring inwall and pump housing inwall and rotating shaft outer wall, this structure setting mode, The ratio that first gap is set is larger, and when rotor washing pump, the first inner space can accommodate larger current, greatly Current not only conveniently wash away residual material, moreover it is possible to accelerate dissolved material, so as to easily efficiently wash residue material.
2. impeller pump mechanical seal structure of the present utility model, the side side wall towards rotor of installation step is provided with the One mounting groove, the first sealing ring is arranged in the first mounting groove, is extruded and is fixed by stationary ring.The set-up mode of first sealing ring, subtracts The area that the first sealing ring is contacted with material is lacked, it is to avoid material is crystallized on the first sealing ring, further facilitates cleaning;Separately Outside, the set-up mode of the first sealing ring, the size set without limitation on the first gap.
3. impeller pump mechanical seal structure of the present utility model, stationary ring also has on the bulge loop of protruding gland, rotating ring Provided with L-type groove that can be with bulge loop cooperation crush seal.Bulge loop and the mutual extrusion fit of L-type groove, it is flat with prior art two Rotating ring end face is compared with the direct extrusion fit of stationary ring end face, and sealing effectiveness is more preferable.
4. impeller pump mechanical seal structure of the present utility model, rotating shaft includes relative with pump housing inwall with stationary ring inwall the One section, and for installing the second segment of rotating ring, the diameter of the diameter > first paragraphs of second segment.Because the diameter of second segment compares Greatly so that the gap of rotating ring inwall formation relative with rotating shaft outer wall reduces, the material into the first gap only has only a few just meeting Rotating ring inwall is entered with the gap of rotating shaft outer wall formation, reducing the possibility of material leakage.
5. impeller pump mechanical seal structure of the present utility model, the inwall of bulge loop is contacted with the outer wall laminating of second segment, enter One step barrier material is entered in the gap of rotating ring inwall formation relative with rotating shaft outer wall so that sealing effectiveness is more preferable.
6. the utility model also provides a kind of impeller pump, with the impeller pump mechanical seal structure described in as above any one, As a result of above-mentioned impeller pump mechanical seal structure, thus have naturally because using above-mentioned impeller pump mechanical seal structure institute All advantages brought.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme in prior art or the utility model embodiment, below to existing There is the accompanying drawing used in technology or embodiment description to be briefly described, it should be apparent that, for the common skill in this area For art personnel, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of impeller pump mechanical seal structure.
Reference:1st, the pump housing;11st, installation step;12nd, gland;13rd, the first mounting groove;14th, the second mounting groove;15th, sell Nail;2nd, stationary ring;21st, bulge loop;3rd, rotating ring;31st, L-type groove;4th, rotor;5th, rotating shaft;51st, the first gap;52nd, first paragraph;53rd, second Section;54th, rotating seat;540th, lug boss;55th, ripple spring;56th, accommodating chamber;6th, the first sealing ring;7th, the second sealing ring.
Embodiment
The technical solution of the utility model is described with reference to Figure of description, it is clear that following embodiments are not It is the whole embodiment of the utility model.Based on the embodiment described by the utility model, those of ordinary skill in the art are not having There is the every other embodiment made and obtained under the premise of other creative works, belong to protection domain of the present utility model.
It should be noted that in description of the present utility model, term " first ", " second " are only used for describing purpose, and It is not intended that indicating or implying relative importance.In addition, involved in the utility model different embodiments disclosed below As long as and technical characteristic do not constitute each other conflict can just be combined with each other.
Embodiment 1
The present embodiment provides a kind of impeller pump mechanical seal structure, as shown in figure 1, including:Stationary ring 2, is installed by first Structure is fixedly mounted on the side of the remote rotor 4 of the pump housing 1;Rotating ring 3, is fixedly mounted in rotating shaft 5 by the second mounting structure; When the rotating shaft 5 is rotatably connected with the pump housing 1, inwall and the inwall of the pump housing 1 and the rotating shaft of the stationary ring 2 5 outer wall is relative, forms the first gap 51, the rotating ring 3 in the presence of second mounting structure with the jam-packed of stationary ring 2 Sealing;First sealing ring 6, is arranged between the side of the direction of the stationary ring 2 rotor 4 and the pump housing 1, for sealing Connect the stationary ring 2 and the pump housing 1;Second sealing ring 7, is arranged between the rotating ring 3 and second mounting structure, uses In being tightly connected the rotating ring 3 and second mounting structure.The stationary ring 2 is fixed peace by inventor by the first mounting structure Mounted in the side of the remote rotor 4 of the pump housing 1, first sealing ring 6 is arranged on described in the direction of the stationary ring 2 Between the side of rotor 4 and the pump housing 1, between the inwall of stationary ring 2 and the inwall of the pump housing 1 and the outer wall of the rotating shaft 5 Form first gap 51, this structure setting mode so that the ratio that first gap 51 can be set is larger, works as cleaning During impeller pump, larger current can be accommodated inside first gap 51, big current not only conveniently wash away residual material, also Dissolved material can be accelerated, so as to easily efficiently wash residue material.
In the present embodiment, first mounting structure includes:Installation step 11, is arranged on the pump housing 1;Gland 12, The side of the remote rotor 4 of the pump housing 1 is fixedly mounted on, the stationary ring 2 extruding is fixed on the installation step 11 On.
On the impeller pump mechanical seal structure of the present embodiment, the direction side side wall of rotor 4 of the installation step 11 Provided with the first mounting groove 13, first sealing ring 6 is arranged in first mounting groove 13, and fixation is extruded by the stationary ring 2. The set-up mode of first sealing ring 6, reduce the area that the first sealing ring 6 is contacted with material, it is to avoid material is in the first sealing Crystallized on circle 6, further facilitate cleaning;In addition, the set-up mode of the first sealing ring 6, is set without limitation on the first gap 51 Size.
In the present embodiment, the second mounting groove is additionally provided with the side side wall of the direction rotor 4 of the installation step 11 14, the one end of pin 15 is fit into inside second mounting groove 14, and the other end is fit into inside the stationary ring 2, for hindering Only the stationary ring 2 follows the rotating shaft 5 to rotate.
The impeller pump mechanical seal structure of the present embodiment, the stationary ring 2 also has the bulge loop of the protruding gland 12 21, the rotating ring 3 is provided with can coordinate the L-type groove 31 of crush seal with the bulge loop 21.Bulge loop 21 is mutually squeezed with L-type groove 31 Press-fit, compared with two flat rotating ring end faces of prior art and the direct extrusion fit of stationary ring end face, sealing effectiveness is more preferable.
In the present embodiment, the rotating shaft 5 includes the first paragraph 52 relative with the inwall of the pump housing 1 with the inwall of stationary ring 2, With the second segment 53 for installing the rotating ring 3, the diameter of first paragraph 52 described in the diameter > of the second segment 53.Due to second The diameter of section 53 is than larger so that the gap of the inwall of rotating ring 3 formation relative with the outer wall of rotating shaft 5 reduces, into the first gap 51 Material only only a few can just enter the inwall of rotating ring 3 with the gap of the outer wall of rotating shaft 5 formation, reducing the possibility of material leakage Property.
In the present embodiment, the inwall of the bulge loop 21 is contacted with the outer wall laminating of the second segment 53.Further barrier Material is entered in the gap of the inwall of rotating ring 3 formation relative with the outer wall of rotating shaft 5 so that sealing effectiveness is more preferable.
In the present embodiment, second mounting structure includes:Rotating seat 54, is fixedly mounted in the rotating shaft 5;Ripple spring 55, it is set on the rotating seat 54, one end is abutted with the lug boss 540 of the rotating seat 54, the other end is supported with the rotating ring 3 Connect, for extruding the rotating ring 3, the rotating ring 3 is connected with the crush seal of stationary ring 2.
The impeller pump mechanical seal structure of the present embodiment, be connected with the L-type groove 31 and away from the stationary ring 2 part with Accommodating chamber 56 is formed between the rotating shaft 5, described hold is inserted in one end of the rotating seat 54 at the opening of the accommodating chamber 56 Receive chamber 56, and contacted with the inwall laminating of the rotating ring 3, the part do not inserted by the rotating seat 54 is used to install described second Sealing ring 7.
Embodiment 2
The present embodiment provides a kind of impeller pump, the impeller pump mechanical seal structure described in embodiment 1 is provided with, due to adopting With above-mentioned impeller pump mechanical seal structure, thus naturally have because being brought using above-mentioned impeller pump mechanical seal structure All advantages.
Obviously, above-described embodiment is only intended to clearly illustrate example, and the not restriction to embodiment.It is right For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of change or Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or Among changing still in protection domain of the present utility model.

Claims (10)

1. a kind of impeller pump mechanical seal structure, it is characterised in that:Including:
Stationary ring (2), the side of the remote rotor (4) of the pump housing (1) is fixedly mounted on by the first mounting structure;
Rotating ring (3), is fixedly mounted in rotating shaft (5) by the second mounting structure;
When the rotating shaft (5) is rotatably connected with the pump housing (1), in the inwall and the pump housing (1) of the stationary ring (2) Wall is relative with the outer wall of the rotating shaft (5), is formed the first gap (51), work of the rotating ring (3) in second mounting structure Sealed with lower with the stationary ring (2) jam-packed;
First sealing ring (6), is arranged between the side of the direction rotor (4) of the stationary ring (2) and the pump housing (1), For being tightly connected the stationary ring (2) and the pump housing (1);
Second sealing ring (7), is arranged between the rotating ring (3) and second mounting structure, described dynamic for being tightly connected Ring (3) and second mounting structure.
2. impeller pump mechanical seal structure according to claim 1, it is characterised in that:First mounting structure includes:
Installation step (11), is arranged on the pump housing (1);
Gland (12), is fixedly mounted on the side of the remote rotor (4) of the pump housing (1), and the stationary ring (2) is extruded into solid It is scheduled on the installation step (11).
3. impeller pump mechanical seal structure according to claim 2, it is characterised in that:The direction of the installation step (11) Rotor (4) side side wall is provided with the first mounting groove (13), and first sealing ring (6) is arranged on first mounting groove (13) in, extruded and fix by the stationary ring (2).
4. impeller pump mechanical seal structure according to claim 2, it is characterised in that:The direction of the installation step (11) The second mounting groove (14) is additionally provided with the side side wall of the rotor (4), pin (15) one end is fit into described second and installed Groove (14) is internal, and the other end is fit into the stationary ring (2) inside, for preventing the stationary ring (2) from following the rotating shaft (5) to turn It is dynamic.
5. impeller pump mechanical seal structure according to claim 2, it is characterised in that:The stationary ring (2) also has outside The bulge loop (21) of the gland (12) is stretched out, the rotating ring (3) is provided with can coordinate the L of crush seal with the bulge loop (21) Type groove (31).
6. impeller pump mechanical seal structure according to claim 5, it is characterised in that:The rotating shaft (5) include with it is described Stationary ring (2) the inwall first paragraph (52) relative with the pump housing (1) inwall, and for installing the second segment of the rotating ring (3) (53), the diameter of first paragraph (52) described in the diameter > of the second segment (53).
7. impeller pump mechanical seal structure according to claim 6, it is characterised in that:The inwall of the bulge loop (21) and institute State the outer wall laminating contact of second segment (53).
8. impeller pump mechanical seal structure according to claim 6, it is characterised in that:Second mounting structure includes:
Rotating seat (54), is fixedly mounted in the rotating shaft (5);
Ripple spring (55), is set on the rotating seat (54), and one end is abutted with the lug boss (540) of the rotating seat (54), separately One end is abutted with the rotating ring (3), for extruding the rotating ring (3), makes the rotating ring (3) and the stationary ring (2) crush seal Connection.
9. impeller pump mechanical seal structure according to claim 8, it is characterised in that:Be connected with the L-type groove (31) and Form accommodating chamber (56) between part and the rotating shaft (5) away from the stationary ring (2), one end of the rotating seat (54) is from institute State and the accommodating chamber (56) is inserted at the opening of accommodating chamber (56), and contacted with the inwall laminating of the rotating ring (3), it is not described The part of rotating seat (54) insertion is used to install second sealing ring (7).
10. a kind of impeller pump, is provided with impeller pump mechanical seal structure as claimed in any one of claims 1-9 wherein.
CN201720144633.9U 2017-02-17 2017-02-17 A kind of impeller pump mechanical seal structure and the impeller pump with it Active CN206487674U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720144633.9U CN206487674U (en) 2017-02-17 2017-02-17 A kind of impeller pump mechanical seal structure and the impeller pump with it

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720144633.9U CN206487674U (en) 2017-02-17 2017-02-17 A kind of impeller pump mechanical seal structure and the impeller pump with it

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110410358A (en) * 2019-08-08 2019-11-05 安徽卧龙泵阀股份有限公司 A kind of centrifugation pump machine seal structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110410358A (en) * 2019-08-08 2019-11-05 安徽卧龙泵阀股份有限公司 A kind of centrifugation pump machine seal structure

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