CN206332545U - A kind of water pump and its explosion-protection equipment - Google Patents
A kind of water pump and its explosion-protection equipment Download PDFInfo
- Publication number
- CN206332545U CN206332545U CN201621296474.6U CN201621296474U CN206332545U CN 206332545 U CN206332545 U CN 206332545U CN 201621296474 U CN201621296474 U CN 201621296474U CN 206332545 U CN206332545 U CN 206332545U
- Authority
- CN
- China
- Prior art keywords
- explosion
- protection equipment
- mounting cylinder
- water pump
- lid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of water pump and its explosion-protection equipment, aim to provide a kind of improve and be beneficial to the explosion-protection equipment that water pump service life extends, the problem of solving the excessive easy explosion of water pump cover internal pressure, its drip irrigation device is the installation lid for including being sealedly attached to the mounting cylinder of motor housing bottom, the flexible oil sac being nested in mounting cylinder, oil sac being sealedly attached to mounting cylinder bottom, and mounting cylinder is separated into by the oil sac：The content cavity communicated with pump motor, and the outer cavity volume communicated with the external world, have thus reached the service life for improving water pump, to reduce cost, beneficial to the Effec-tive Function of water pump, saving energy consumption.
Description
Technical field
The utility model is related to pump technology field, more particularly to water pump and its explosion-protection equipment.
Background technology
For immersible pump because its working environment is that under water, and motor pulls the plug, in its design process necessarily
In view of sealing property, motor housing isolates motor with water body, and by motor seal within shell, anti-water-stop body enters.
At present, Publication No. 204442066U, it discloses a kind of waterproof construction of pump motor, in the machine of pump motor
The gap location of shell and drive end bearing bracket is provided with waterproof pad, and the casing of pump motor and the junction of drive end bearing bracket are provided with fluid sealant, front end
Lid is connected on armature spindle by sliding water-sealed bearing, and the junction is provided with O-ring seal and waterproof pad, pump motor rotor
Both are molded integrally by axle and rotor core by rotor injection molding body, are filled on the stator core and stator coil of pump motor
Envelope melts glue material, forms stator waterproof injection molding body.
But, motor easily produces heat in running under water, so that the air in motor will expand, if this
After class water pump is used for a long time, because heating make it that air expansion causes motor housing to burst so that water pump is scrapped.
Utility model content
In view of the shortcomings of the prior art, the purpose of this utility model is to provide raising and is beneficial to the extension of water pump service life
Explosion-protection equipment.
Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of explosion-protection equipment, bag
Include to be sealedly attached to the mounting cylinder of motor housing bottom, it is the flexible oil sac being nested in mounting cylinder, oil sac is close
Envelope is connected to the installation lid of mounting cylinder bottom, and mounting cylinder is separated into by the oil sac：The content cavity communicated with pump motor, and
The outer cavity volume communicated with the external world.
By above-mentioned setting, explosion-protection equipment is arranged on to the bottom of pump motor, when the motor feels hot, motor internal
Air expansion, now air extrusion oil sac, because oil sac is flexible, so now strong and outer cavity volume the volume of content occurs
Change, content cavity refers to after increase reducing internal pressure inside motor housing, oil sac and motor housing sealed bottom, water
Body will not enter inside, and the internal pressure of motor housing can be sustained again, explosion-proof effect is played, so that the use longevity of the water pump of extension
Life.
Can be preferably as concrete scheme of the present utility model：The mounting cylinder includes being used to what is be connected with motor housing
First flange portion, the passage communicated with the inner chamber of motor housing, the first sealing abutted with motor housing.
By above-mentioned setting, the structure of mounting cylinder can closely be connected with motor housing, and the air in motor housing
Quickly it can be entered by passage in mounting cylinder.
Can be preferably as concrete scheme of the present utility model：The passage sets multiple and circumferential array, described
The both sides of passage are provided with the reinforcement with mounting cylinder one.
By above-mentioned setting, due to setting passage to reduce the structural strength of mounting cylinder, being thus provided with reinforcement can
Effectively to solve this problem.
Can be preferably as concrete scheme of the present utility model：The oil sac includes cylindrical portion, is integrally formed at cylinder
Portion one end and to the depressed part of another concave end of cylindrical portion, be integrally formed at the turn-up portion of the cylindrical portion other end；The turn-up portion
Both sides respectively be mounted cylinder and install lid clamp.
By above-mentioned setting, depressed part is conducive to when the air pressure of content cavity is excessive, and the depression direction of depressed part can
With to lower recess, beneficial to the volume of increase content cavity, and the turn-up portion set can effectively improve mounting cylinder and install lid and connect
Connect the sealing property at place.
Can be preferably as concrete scheme of the present utility model：The side of the turn-up portion is provided with bulge loop.
By above-mentioned setting, the surface area of the side of turn-up portion is increased, sealing is improved.
Can be preferably as concrete scheme of the present utility model：The lid of installing is provided with card towards the side of cylindrical portion
Ring, the external diameter of the snap ring is equal with the internal diameter of cylindrical portion.
By above-mentioned setting, spacing and sealing is played a part of in the effect of snap ring, and anti-water-stop body enters in cylindrical portion.
Can be preferably as concrete scheme of the present utility model：The bottom of the mounting cylinder is provided with second flange portion,
Lid is installed and is provided with the 3rd flange portion, second flange portion and the 3rd flange portion are bolted to clamp turn-up portion.
By above-mentioned setting, connected mode is simple, easy to assembly, beneficial to fixed turn-up portion.
Can be preferably as concrete scheme of the present utility model：The bottom for installing lid is provided with to be communicated with outer cavity volume
Screwed hole.
By above-mentioned setting, on the one hand screwed hole is, for identical with outside air, to be on the other hand for connection to bolt,
Bolt can be installed on screwed hole, to test the rate of pressurization of outer cavity volume.
Can be preferably as concrete scheme of the present utility model：Installation base portion also is provided with annular muscle, is arranged at
The bar shaped muscle of annular muscle radially.
By above-mentioned setting, it can further strengthen installing the structural strength of lid.
A kind of water pump, including explosion-protection equipment.
By above-mentioned setting, the service life of water pump, the possibility that reduction motor housing bursts can be further improved.
In summary, the utility model has the advantages that：Using said structure, the use longevity of water pump can be improved
Life, and be based on the basis of sealing, there is changeability to the space inside motor housing, beneficial to the slow of motor housing internal pressure
Solution, the possibility that reduction motor housing bursts.
Brief description of the drawings
Fig. 1 is the structure chart of water pump；
Fig. 2 is the explosive view at the first visual angle of explosion-protection equipment；
Fig. 3 is the explosive view at the second visual angle of explosion-protection equipment；
Fig. 4 is the phantom of explosion-protection equipment.
1, motor housing in figure；2nd, mounting cylinder；21st, passage；22nd, first flange portion；23rd, second flange portion；24th, first
Sealing；3rd, oil sac；31st, cylindrical portion；32nd, depressed part；33rd, turn-up portion；34th, bulge loop；The 4th, lid is installed；41st, snap ring；42nd, the 3rd
Flange portion；43rd, screwed hole；44th, annular muscle；45th, bar shaped muscle；5th, bolt；6th, content cavity；7th, outer cavity volume.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Embodiment：As shown in figure 1, a kind of water pump, water pump is used under water, including motor housing 1 and explosion-protection equipment.It is explosion-proof
Device is arranged on the bottom of motor housing 1.Explosion-protection equipment includes mounting cylinder 2, the oil sac 3 being arranged in mounting cylinder 2（Fig. 1 does not show
Go out）, install lid 4.
As shown in Figure 2,3, mounting cylinder 2 includes first flange portion to be sealedly connected on the bottom of motor housing 1, mounting cylinder 2
22nd, passage 21, the first sealing 24.First flange portion 22 with motor housing 1 to be connected.Passage 21 and motor housing 1
Inner chamber communicate, passage 21 sets multiple and circumferential array, and the both sides of passage 21 are provided with the reinforcement with the one of mounting cylinder 2
Muscle.Passage 21 is set, the structural strength of mounting cylinder 2 can be reduced, thus sets reinforcement then effectively to solve this problem.First is close
Envelope portion 24 is abutted with motor housing 1, and the first sealing 24 can be screw thread.First sealing 24 can also be with sealing
The annular groove of circle.
As shown in figure 3, oil sac 3 is nested in mounting cylinder 2, oil sac 3 is flexible, and its material can be nitrile rubber
It is made.Oil sac 3 includes cylindrical portion 31, depressed part 32 and turn-up portion 33.Depressed part 32 be integrally formed at the one end of cylindrical portion 31 and
To another concave end of cylindrical portion 31.Turn-up portion 33 is integrally formed at the other end of cylindrical portion 31, the both sides of turn-up portion 33 respectively by
Mounting cylinder 2 and installation lid 4 are clamped.The side of turn-up portion 33 is provided with bulge loop 34.Depressed part 32 is conducive to the air pressure when content cavity 6
When excessive, the depression direction of depressed part 32 can be to lower recess, beneficial to the volume of increase content cavity 6, and turning over of setting
Edge 33 can effectively improve mounting cylinder 2 and install the sealing property of the junction of lid 4.
As shown in Figure 3,4, lid 4 is installed and oil sac 3 is sealedly attached to the bottom of mounting cylinder 2, mounting cylinder 2 is separated into by oil sac 3：
The content cavity 6 communicated with pump motor, and the outer cavity volume 7 communicated with the external world.Lid 4 is installed to set towards the side of cylindrical portion 31
There is snap ring 41, the external diameter of snap ring 41 is equal with the internal diameter of cylindrical portion 31.The bottom of lid 4 is installed also to be provided with annular muscle 44, be arranged at ring
The bar shaped muscle 45 of shape muscle 44 radially.
Spacing and sealing is played a part of in the effect of snap ring 41, and anti-water-stop body enters in cylindrical portion 31.The bottom of mounting cylinder 2
Second flange portion 23 is provided with, lid 4 is installed and is provided with the 3rd flange portion 42, the flange portion 42 of second flange portion 23 and the 3rd passes through spiral shell
Bolt 5 is fixed to clamp turn-up portion 33.The bottom for installing lid 4 is provided with the screwed hole 43 communicated with outer cavity volume 7.
When using：Explosion-protection equipment is arranged on to the bottom of pump motor, when the motor feels hot, the air of motor internal
Expand, now air extrusion oil sac 3, because oil sac 3 is flexible, so now strong and outer cavity volume 7 the volume of content becomes
Change, content cavity 6 refers to so as to reduce internal pressure inside motor housing 1, oil sac 3 and the sealed bottom of motor housing 1 after increase,
Water body will not enter inside, the internal pressure of motor housing 1 can be sustained again, plays explosion-proof effect, so that the water pump of extension makes
Use the life-span.
During air-tight test：Screwed hole 43 is blocked by bolt 5 or toward injection air in screwed hole 43, oil sac is examined
The sealing property of 3 turn-up portion 33.
This specific embodiment is only to explain of the present utility model, and it is not to limitation of the present utility model, ability
Field technique personnel can make the modification without creative contribution to the present embodiment as needed after this specification is read, but
As long as all being protected in right of the present utility model by Patent Law.
Claims (10)
1. a kind of explosion-protection equipment, it is characterised in that：Including the mounting cylinder (2) to be sealedly attached to motor housing (1) bottom, embedding
The flexible oil sac (3) that is enclosed within mounting cylinder (2), the installation lid that oil sac (3) is sealedly attached to mounting cylinder (2) bottom
(4), mounting cylinder (2) is separated into by the oil sac (3)：The content cavity (6) communicated with pump motor, and communicated with the external world it is outer
Cavity volume (7).
2. explosion-protection equipment according to claim 1, it is characterised in that：The mounting cylinder (2) includes being used to and motor housing
(1) the first flange portion (22) of connection, communicated with the inner chamber of motor housing (1) passage (21), abut with motor housing (1)
The first sealing (24).
3. explosion-protection equipment according to claim 2, it is characterised in that：The passage (21) sets multiple and circumferential row
Row, the both sides of the passage (21) are provided with the reinforcement with mounting cylinder (2) one.
4. explosion-protection equipment according to claim 1, it is characterised in that：The oil sac (3) includes cylindrical portion (31), integrally set
Be placed in cylindrical portion (31) one end and to the depressed part (32) of cylindrical portion (31) another concave end, to be integrally formed at cylindrical portion (31) another
The turn-up portion (33) of one end；The both sides of the turn-up portion (33) are mounted cylinder (2) and install lid (4) and clamp respectively.
5. explosion-protection equipment according to claim 4, it is characterised in that：The side of the turn-up portion (33) is provided with bulge loop
(34)。
6. explosion-protection equipment according to claim 4, it is characterised in that：The lid (4) of installing is towards the one of cylindrical portion (31)
Side is provided with snap ring (41), and the external diameter of the snap ring (41) is equal with the internal diameter of cylindrical portion (31).
7. explosion-protection equipment according to claim 4, it is characterised in that：The bottom of the mounting cylinder (2) is provided with the second method
Blue portion (23), installs lid (4) and is provided with the 3rd flange portion (42), second flange portion (23) and the 3rd flange portion (42) pass through bolt
(5) fix to clamp turn-up portion (33).
8. explosion-protection equipment according to claim 1, it is characterised in that：The bottom for installing lid (4) is provided with to hold with outer
The screwed hole (43) that chamber (7) is communicated.
9. explosion-protection equipment according to claim 1, it is characterised in that：Described lid (4) bottom of installing also is provided with annular muscle
(44), it is arranged at the bar shaped muscle (45) of annular muscle (44) radially.
10. a kind of water pump, it is characterised in that：Including the explosion-protection equipment as described in claim 1-9 is any.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621296474.6U CN206332545U (en) | 2016-11-30 | 2016-11-30 | A kind of water pump and its explosion-protection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621296474.6U CN206332545U (en) | 2016-11-30 | 2016-11-30 | A kind of water pump and its explosion-protection equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206332545U true CN206332545U (en) | 2017-07-14 |
Family
ID=59288895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621296474.6U Expired - Fee Related CN206332545U (en) | 2016-11-30 | 2016-11-30 | A kind of water pump and its explosion-protection equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206332545U (en) |
-
2016
- 2016-11-30 CN CN201621296474.6U patent/CN206332545U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170714 Termination date: 20181130 |