CN105840489B - The double-shell pump pump core of convenient installation - Google Patents
The double-shell pump pump core of convenient installation Download PDFInfo
- Publication number
- CN105840489B CN105840489B CN201610358450.7A CN201610358450A CN105840489B CN 105840489 B CN105840489 B CN 105840489B CN 201610358450 A CN201610358450 A CN 201610358450A CN 105840489 B CN105840489 B CN 105840489B
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- China
- Prior art keywords
- guide section
- shell body
- pump core
- guide
- pump
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- 238000009434 installation Methods 0.000 title claims abstract description 19
- 230000013011 mating Effects 0.000 claims abstract description 29
- 238000012163 sequencing technique Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 238000011900 installation process Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000000750 progressive effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/22—Arrangements for enabling ready assembly or disassembly
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of double-shell pump pump core of convenient installation, including supporting mating surface at the left, center, right three coordinated with shell body, it is provided with guide section everywhere vertically in pump core, is followed successively by first, second, third and fourth guide section by the sequencing for entering shell body and external diameter increases successively；Second, third and the 4th guide section are respectively used to be oriented near the guide portion of installation oral area with shell body；The position of first guide section and the 3rd guide section in pump core just reaches corresponding guide portion on shell body simultaneously during pump core enters shell body, and guide portion corresponding with shell body has identical guiding clearance.The present invention ensures pump core in disassembly process, there is guide-localization all the time by setting what ladder guide section, and controls guiding clearance size according to disassembly process, reach be easy to dismount and avoid mating surface, the purpose of seal damage.
Description
Technical field
The present invention relates to double-shell pump, and in particular to a kind of double-shell pump pump for possessing the convenient installation of progressive guide function
Core, belong to double-shell pump technical field.
Background technology
In existing double-shell pump structure, pump core 1 realizes the support with the inner chamber of shell body 9 by mating surface 2 at left, center, right three
Coordinate.For pump core, external diameter gradually increases mating surface 2 from right to left at three for this.It is corresponding, have therewith in shell body
Corresponding three sections of inwalls.In order to realize axially position and sealing, on the right side of the mating surface of the left side, intermediate tie left side of face and the right match somebody with somebody
Close left side of face and form step surface respectively to form fixing structure 3, the seam corresponding matching on seam and shell body in pump core is real
Existing axially position is simultaneously provided with seal 10 between seam.As shown in Figure 1.
In order to facilitate the entrance of pump core, guiding mechanism at two is provided with pump core 1, guiding mechanism is by pump core circumference
The guide section that annular projection is formed, the right guide section right flank form seam on the left of the mating surface of the right；Left side guide section is positioned at a left side
The right side of seam on the right side of the mating surface of side.It will be seen from figure 1 that this guiding mechanism is at the mating surface of left and right at two, the mesh of guiding
Be to prevent radial missing, realize centering install.During installation, pump core right-hand member is introduced into shell body, and the right guide section is due to straight
Footpath is smaller, can not play guide effect to initially entering the stage.Until the right, it is corresponding to initially enter shell body for guide section
At that section, the right guide section just starts to play the guiding role, and at the same time left side guide section is also just into playing guiding in shell body
Effect, i.e. left side guide section and the right guide section play the guiding role simultaneously.After guiding terminates, then pump core axially pushed, at three
Mating surface coordinates in place naturally, when corresponding seam contact on the seam and shell body in pump core, shows that pump core is finally installed
In place and realize sealing.
Existing double-shell pump pump core is when loading shell body, although the guide section in the presence of about, due to two guide sections
Reach simultaneously and be oriented to position, therefore guiding clearance is all smaller（If gap is big, navigational significance is just lost）, along with weight of equipment
Greatly, the assembling process not factor such as observable, it is difficult often assembling, or even causes mating surface and seal to damage.
The content of the invention
Above shortcomings are installed for existing double-shell pump pump core, it is an object of the invention to provide one kind to be oriented to more
Good, double-shell pump pump core easy for installation.
In order to solve the above technical problems, present invention employs following technical scheme：
The double-shell pump pump core of convenient installation, including at the left, center, right three for supporting the external diameter coordinated gradually to increase with shell body
Mating surface, left side mating surface right side, intermediate tie left side of face and the right mating surface left side form step surface to form seam respectively
Structure；It is characterized in that：Vertically provided with guide section, guide section are dashed forward by the ring-type being arranged on pump core circumference everywhere in pump core
Rise and form；Guide section is followed successively by the first guide section, the second guide section, the 3rd guide section by the sequencing for entering shell body everywhere
Increase successively with the 4th guide section and external diameter；Second guide section, the 3rd guide section and the 4th guide section is respectively used to and shell body
It is oriented near the guide portion of installation oral area；And second guide section to the distance between the 4th guide section be less than shell body near
The length of the guide portion of oral area is installed；
The position of first guide section and the 3rd guide section in pump core is just arrived simultaneously during pump core enters shell body
Corresponding guide portion on up to shell body, and there is identical to lead for the first guide section and the 3rd guide section guide portion corresponding with shell body
To gap.
Further, the circular protrusion two sides of the first guide section, the second guide section, the 3rd guide section and the 4th guide section
Seamlessly transitted between periphery.
Preferably, the first guide section right flank forms seam on the left of the mating surface of the right；During second guide section right flank is formed
Between seam on the left of mating surface；4th guide section is located on the right side of the mating surface of the left side on the right side of seam.
Seal is provided with each stop portion.
Compared with prior art, the present invention has the advantages that：
1st, double-shell pump pump core of the present invention, by the way that what ladder guide section set, pump core is ensured in disassembly process, all the time
Have a guide-localization, and guiding clearance size controlled according to disassembly process, reach be easy to dismount and avoid mating surface, seal damage
Purpose.
2nd, present invention relates solely to pump core improvement, it is not necessary to changes outer shell construction, at do not change pump core and shell body three
Mating surface and sealing surface.The improvement of pump core is also only additionally arranged guide section at two simultaneously, original pump core is changed small.
Brief description of the drawings
Fig. 1-existing double-shell pump pump core structural representation.
Fig. 2-double-shell pump of the present invention pump core structural representation.
The second guide section starts to be oriented to schematic diagram in Fig. 3-double-shell pump of the present invention pump core installation process.
The three, the first guide sections start to be oriented to schematic diagram simultaneously in Fig. 4-double-shell pump of the present invention pump core installation process.
The 4th guide section starts to be oriented to schematic diagram in Fig. 5-double-shell pump of the present invention pump core installation process.
Fig. 6-double-shell pump of the present invention pump core is installed in place schematic diagram.
Embodiment
The present invention is described in detail with reference to the accompanying drawings and detailed description.
Referring to Fig. 2, the double-shell pump pump core 1 of the convenient installation of the present invention is can be seen that from figure, including is supported with shell body
Mating surface 2 at the left, center, right three that the external diameter of cooperation gradually increases（Periphery）, on the right side of the mating surface of the left side, intermediate tie left side of face and
Step surface is formed on the left of the mating surface of the right respectively to form fixing structure 3.It is provided with guide section everywhere vertically in pump core, is oriented to
Section is made up of the circular protrusion being arranged on pump core circumference；Guide section is followed successively by first by the sequencing for entering shell body everywhere
Guide section 4, the second guide section 5, the 3rd guide section 6 and the 4th guide section 7 and four sections of guide section external diameters increase successively.Second leads
It is respectively used to be oriented near the guide portion 8 of installation oral area with shell body 9 to section 5, the 3rd guide section 6 and the 4th guide section 7, and
The distance between second guide section 5 to the 4th guide section 7 is less than length of the shell body near the guide portion 8 of installation oral area, this
When sample can prevent that the second guide section from reaching seam position, the 4th guide section has not been entered into shell body guide portion, i.e., second leads
It can successively be accepted to section 5, the 3rd guide section 6 and the 4th guide section 7, realize continual guiding.
The position of first guide section 4 and the 3rd guide section 6 in pump core just pump core enter shell body during simultaneously
Corresponding guide portion on shell body is reached, and the first guide section and the 3rd guide section guide portion corresponding with shell body have identical
Guiding clearance.Therefore, the first guide section 4 and the 3rd guide section 6 play guide effect, and this simultaneously in the installation process of pump core 1
Being oriented at Shi Caiyong two has positioning action.
First guide section, the second guide section, circular protrusion two sides and the periphery of the 3rd guide section and the 4th guide section
Between seamlessly transit.Connected compared to right angle, seamlessly transit more conducively to be oriented to and realize.
First guide section right flank forms seam on the left of the mating surface of the right；Second guide section right flank forms central mating face
Left side seam；4th guide section is located on the right side of the mating surface of the left side on the right side of seam.This structure is by first, second guide section and correspondingly matches somebody with somebody
The seam in conjunction face combines, and simplifies structure, is also beneficial to processing, existing pump core is changed small.
Seal 10 is provided with each stop portion.Excellent sealing can be realized after being so installed in place.
The progressive guiding of installation process of the present invention is described as follows：
1st, during pump core 1 enters shell body 9, the first guide section 4 is because diameter is smaller, with shell body near installation
The guide portion 8 of oral area does not have guide effect；When the second guide section 5 initially enters, whole be oriented to just starts.Due to the second guiding
5 external diameters of section are relatively small, have bigger guiding clearance between shell body 9, are easy to initially enter installation.Now state is shown in figure
3。
2nd, as pump core 1 steps into, when the 3rd guide section 6 initially enters, because the size of the 3rd guide section 6 is more than the
Two guide sections 5, now the second guide section 5 is also in the guide portion that shell body most starts 8, therefore the 3rd guide section 6 is replaced second and led
Start to be oriented to section 5, the second guide section 5 exits guiding, and guiding clearance diminishes.The first guide section 4 and the 3rd guide section 6 exist simultaneously
Position in pump core just reaches corresponding guide portion on shell body simultaneously during pump core enters shell body, and both have
Identical guiding clearance, therefore, now the first guide section 4 and the 3rd guide section 6 play the guiding role simultaneously.Now state is shown in Fig. 4.
3rd, when the 4th guide section 7 initially enters, because the size of the 4th guide section 7 is more than the 3rd guide section 6, now second
The guide section 6 of guide section 5 and the 3rd is also in the guide portion that shell body most starts 8, therefore the 4th guide section 7 replaces the 3rd guide section 6
Start to be oriented to, the 3rd guide section 6 exits guiding, and guiding clearance reaches minimum, and seal in installation process can be avoided to damage.Now
First guide section 4 and the second guide section 5 are close to shell body seam position.Now state is shown in Fig. 5.
4th, under the effect of the 4th guide section 7, pump core 1 goes successively to and eventually arrives at installation site, now pump core 1 and shell
The mating surface of body 9 coordinates in place, and seal 10 seals in place.Now state is shown in Fig. 6.
The present invention uses gradual guiding, and installation process guiding clearance progressively reduces, and control is preferably oriented to so as to realize,
Avoid the installation difficulty that traditional structure only has one of guidance tape.Means of press seals of the invention by the existing middle seam left side
The raised structures of part are improved to guide section by size adjusting, while are further added by the 3rd guide section, so as to change in pump core structure
More controllable guide function is realized in the case of dynamic very little, is easily installed, is also less likely to be damaged seal.
Finally illustrate, above-described embodiment is merely to illustrate technical scheme and unrestricted, although with reference to compared with
The present invention is described in detail good embodiment, it will be understood by those within the art that, can be to the skill of the present invention
Art scheme is modified or equivalent substitution, and without departing from the objective and scope of technical solution of the present invention, it all should cover at this
Among the right of invention.
Claims (2)
1. the double-shell pump pump core of convenient installation, including match somebody with somebody at the left, center, right three for supporting the external diameter coordinated gradually to increase with shell body
Conjunction face, left side mating surface right side, intermediate tie left side of face and the right mating surface left side form step surface to form seam knot respectively
Structure；It is characterized in that：It is provided with guide section everywhere vertically in pump core, guide section is by the circular protrusion that is arranged on pump core circumference
Form；Everywhere guide section by enter shell body sequencing be followed successively by the first guide section, the second guide section, the 3rd guide section and
4th guide section and external diameter increases successively；Second guide section, the 3rd guide section and the 4th guide section are respectively used to shell body most
It is oriented to close to the guide portion of installation oral area；And second guide section to the distance between the 4th guide section be less than shell body near peace
Fill the length of the guide portion of oral area；
The position of first guide section and the 3rd guide section in pump core just reaches outer simultaneously during pump core enters shell body
Corresponding guide portion on housing, and the first guide section and the 3rd guide section guide portion corresponding with shell body have identical guiding between
Gap；
Between first guide section, the second guide section, the 3rd guide section and the circular protrusion two sides of the 4th guide section and periphery
Seamlessly transit；
Seal is provided with each stop portion.
2. the double-shell pump pump core of convenient installation according to claim 1, it is characterised in that：First guide section right flank structure
Seam on the left of into the right mating surface；Second guide section right flank forms intermediate tie left side of face seam；4th guide section is positioned at a left side
On the right side of the mating surface of side on the right side of seam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610358450.7A CN105840489B (en) | 2016-05-26 | 2016-05-26 | The double-shell pump pump core of convenient installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610358450.7A CN105840489B (en) | 2016-05-26 | 2016-05-26 | The double-shell pump pump core of convenient installation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105840489A CN105840489A (en) | 2016-08-10 |
| CN105840489B true CN105840489B (en) | 2017-11-28 |
Family
ID=56594568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610358450.7A Active CN105840489B (en) | 2016-05-26 | 2016-05-26 | The double-shell pump pump core of convenient installation |
Country Status (1)
| Country | Link |
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| CN (1) | CN105840489B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5980225A (en) * | 1996-07-05 | 1999-11-09 | Sundstrand Fluid Handling Corporation | Rotary pump having a drive shaft releasably connected to the rotor |
| CN2859040Y (en) * | 2005-05-30 | 2007-01-17 | 重庆水泵厂有限责任公司 | High-pressure self-balancing two-housing segment centrifugal pump |
| CN101642869B (en) * | 2008-12-24 | 2012-04-18 | 山东双轮股份有限公司 | Double-shell pump-dismounting platform |
| CN203978905U (en) * | 2014-04-11 | 2014-12-03 | 上海伟尔泵业有限公司 | Double-shell pump pump barrel body hydrostatics testing sealing configuration |
| CN205638907U (en) * | 2016-05-26 | 2016-10-12 | 重庆水泵厂有限责任公司 | Double -shell pump core that possesses progressive direction function |
-
2016
- 2016-05-26 CN CN201610358450.7A patent/CN105840489B/en active Active
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| Publication number | Publication date |
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| CN105840489A (en) | 2016-08-10 |
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