CN208634022U - A kind of frost crack proof device of water pump - Google Patents
A kind of frost crack proof device of water pump Download PDFInfo
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- CN208634022U CN208634022U CN201821251501.7U CN201821251501U CN208634022U CN 208634022 U CN208634022 U CN 208634022U CN 201821251501 U CN201821251501 U CN 201821251501U CN 208634022 U CN208634022 U CN 208634022U
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- frost crack
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 120
- 238000007789 sealing Methods 0.000 claims abstract description 30
- 230000006835 compression Effects 0.000 claims description 17
- 238000007906 compression Methods 0.000 claims description 17
- 239000004568 cement Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 23
- 239000012530 fluid Substances 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 15
- 230000000694 effects Effects 0.000 description 9
- 238000007710 freezing Methods 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 9
- 230000008014 freezing Effects 0.000 description 8
- 230000009172 bursting Effects 0.000 description 5
- 230000037452 priming Effects 0.000 description 5
- 230000002265 prevention Effects 0.000 description 4
- 230000002528 anti-freeze Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000013475 authorization Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000004901 spalling Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a kind of frost crack proof device of water pump, belongs to water pump technology.It solves the problems, such as that the frost crack proof device installation of existing water pump is inconvenient, is easily damaged.The frost crack proof device of this water pump includes being fixedly connected by hard half-shell with flexible soft half-shell and junction seals the shell formed, there is cavity in shell, shell can be mounted in water pump pump chamber, there is gas nozzle in a tubular form in hard half-shell, gas nozzle is connected with cavity, and the through-hole that gas nozzle can pass through on the pump housing stretches out outside water pump pump chamber.The frost crack proof device of this water pump only needs to open up through-hole in pump housing suitable position during installation, then shell is packed into water pump pump chamber, and gas nozzle is passed through through-hole, can complete the installation of frost crack proof device, easy for installation.During water pump works normally, the fluid pressure acted on entire shell is consistent, avoids the problem that shell since the pressure of variation causes to damage failure at installation place loosening or sealing, the service life is longer.
Description
Technical field
The utility model belongs to water pump technology, is related to a kind of frost crack proof device of water pump.
Background technique
Water pump refers to the machinery for conveying liquid or being pressurized liquid, water pump can be divided into volume according to working principle
The types such as water pump, vane pump.Positive displacement pump is to transmit energy using the variation of its swept volume of a single chamber；Vane pump is to utilize revolution leaf
Energy is transmitted in the interaction of piece and water, is divided into the types such as centrifugal pump, axial-flow pump and mixed-flow pump.Wherein, have again in centrifugal pump
The self priming pump of self-suction function is provided in subdivision.The structure of water pump includes the pump housing mostly, has pump chamber in the pump housing, when having in pump chamber
When liquid, ambient temperature is too low when being easy to cause water air pump inoperative, and liquid freezes, and in turn results in pump chamber stress and crosses ambassador's pump housing quilt
The water pump of liquid must be retained inside the pump chambers such as bursting by freezing, especially self priming pump, the pump housing is seriously affected the normal reality of water pump by bursting by freezing
With.
In order to reduce a possibility that pump housing is by bursting by freezing, the mode generallyd use has: one, carrying out isothermal holding, example to the pump housing
Such as covering insulation material；Two, the liquid in pump chamber is discharged when not in use；Three, the heating pump housing makes pump body temperature not less than O degree.
Above-mentioned coping style, it is inconvenient for operation, antifreezing effect is also bad, while influencing the normal use of water pump.
In order to improve the performance of water pump itself frost-cracking-preventing, someone has designed and developed aid for preventing breakage from freeze, and has applied
State's patent [application number 93208137.1；Authorization Notice No. CN2151179Y], the aid for preventing breakage from freeze by spill shell and
The rubber sheet gasket composition being sealed on shell nozzle；Shell and rubber pad constitute a buffer cavity.Rubber sheet gasket one in cavity
Side is on the water tank of hydrophone.
In another example Chinese patent [application number 201010193670.1；Authorization Notice No. CN 101846102B] disclosed in prevent
Bursting by freezing water pump includes pump case, impeller and diversion pipe, and wherein impeller outer is equipped with the outflow cover for water with axle center hole, which will be in pump case
Portion space is divided into the blade wheel chamber communicated and cup, and diversion pipe is arranged in cup, and the water inlet pipe in pump case is protruded into one end connection,
The other end picks out the axle center hole of water cover, and the flexible extensible member of diversion pipe housing, the elastic telescopic part both ends are big, intermediate small, and open
There is axle center hole, is made of the elastic material not absorbing water.
Above two frost-cracking-preventing structure the problem is that: 1, the side by being mounted on antifreeze auxiliary device on water pump
Case, since water pump internal liquid pressure is higher and changes, antifreeze auxiliary device entirety unbalance stress, the frequent stress of installation site,
It is easy to cause installation site that leak or rubber pad damage occurs, influences the service life of water pump.2, by being installed in water pump
The scheme of elastic telescopic part, if elastic telescopic part volume change after compression is smaller, antifreezing effect is undesirable；If by elastic
Extensible member volume, which is done, causes greatly the space for accommodating liquid in pump chamber to be tied up, and influences the performance of water pump.3, antifreeze auxiliary device
Installation needs to open up very big opening on water pump, and elastic telescopic part then needs to position by the diversion pipe of self priming pump, two kinds of sides
Case installation is all inconvenient.
Summary of the invention
The purpose of this utility model is in view of the above-mentioned problems existing in the prior art, to propose a kind of frost-cracking-preventing dress of water pump
It sets, the technical issues of the utility model solves is how to make that frost crack proof device installation is more convenient, shell of anti-freezing structure is in water pump
Also it is less likely to be damaged under the effect of long-time fluid pressure in pump chamber.
The purpose of this utility model can be realized by the following technical scheme: a kind of frost crack proof device of water pump, described anti-
Bursting by freezing device includes being fixedly connected by hard half-shell with flexible soft half-shell and junction seals the shell formed, institute
Stating has cavity in shell, which is characterized in that the shell can be mounted in water pump pump chamber, be had in the hard half-shell in pipe
The gas nozzle of shape, the gas nozzle are connected with cavity, and the through-hole that the gas nozzle can pass through on the pump housing stretches out outside water pump pump chamber.
The frost crack proof device of this water pump is mounted in water pump pump chamber, and when pump working, water pump pump intracavity liquid reaches work
Pressure, soft half-shell also have certain non-deformability, and shell soft half-shell under operating pressure effect does not deform.When
When water pump stops working at low ambient temperatures, the liquid being accumulated in water pump pump chamber starts to freeze, the pressure that shell is subject at this time
It is gradually increased, and soft half-shell is deformed into cavity, the air in cavity is discharged by gas nozzle, to absorb liquid
Freeze the stress generated, avoids pump housing spalling.After ice-out in water pump pump chamber, air is entered in cavity by gas nozzle, soft
Matter half-shell restores, and can normally play frost-cracking-preventing function after freeze next time.
Compared with prior art, innovation is: the frost crack proof device of this water pump is mounted in water pump pump chamber, gas nozzle position
In half shell parts of hard, gas nozzle can play the role of positioning housing.It only needs to open up through-hole in the pump housing suitable position when installation,
Shell is packed into water pump pump chamber again, and gas nozzle is passed through into through-hole, the installation of frost crack proof device can be completed, it is easy for installation.This
The frost crack proof device of water pump not only can be used for the production and manufacture of frost crack prevention water pump, but also can apply to existing water pump pump chamber water storage
Water pump modification at frost crack prevention water pump.Also, in water pump normal work, the fluid pressure acted on entire shell is consistent,
Avoid the problem that shell fails since the pressure of variation causes to damage at installation place loosening or sealing, so that frost crack proof device
Service life is consistent substantially with the water pump service life.
In the frost crack proof device of above-mentioned water pump, the gas nozzle axial line and the position of center line of the abdicating through hole are
It is mutually perpendicular to relationship, there is circumferentially distributed convex edge on the gas nozzle.When installation, first by the through-hole on the gas nozzle insertion pump housing
It is interior, then shell is set in the annular protrusion structure of water pump by abdicating through hole, and then the convex edge on gas nozzle is made to be resisted against water
The inner wall for pumping the pump housing, so that no setting is required, and fastener can make the positioning of shell and water pump more reliable, shell by shell clamping
Installation it is also more convenient；The tubular structure of water pump can pass through from abdicating through hole, shell not with other components of water pump
It interferes, it is easy for installation；Position will not shift shell under the action of water pressure, improve shell and gas nozzle physical life.
As further preferred, in the frost crack proof device of above-mentioned water pump, sealing ring is arranged on the gas nozzle, it is described
Sealing ring one end is resisted against on convex edge, and the other end can be resisted against on the inner wall of the pump housing.In this position, setting sealing ring can be risen
To sealing function, but more main purpose be by the way that sealing ring is arranged, using the elasticity of sealing ring, avoid shell during installation because
The generation of resigning insufficient space is stuck, so that shell is easily installed,.
In the frost crack proof device of above-mentioned water pump, the inside edge of the hard half-shell has in-flanges one, outer edge tool
There is flanging one；The inside edge of the soft half-shell has in-flanges two, and outer edge has flanging two；One He of in-flanges
In-flanges two is mutually close to, and is provided on the surface of the in-flanges two far from in-flanges one and to match with two shape of in-flanges
The compression piece one of hard, the compression piece one are fixedly connected by several fasteners with in-flanges one and in-flanges two；It is described
Flanging one and flanging two are mutually close to, and are provided with and flanging dimorphism on the surface of the flanging two far from flanging one
The compression piece two for the hard that shape matches, the compression piece two are fixed by several fasteners and flanging one and flanging two
Connection.It compresses piece one to act on in-flanges two, sealing is played to in-flanges one and in-flanges two by the deformation of in-flanges two
Effect compresses piece two and acts on flanging two, plays sealing to flanging one and flanging two by the deformation of flanging two
Effect, so that shell will not cause frost crack proof device to fail under fluid pressure effect in water pump pump chamber because of leakage.
In the frost crack proof device of above-mentioned water pump, the outer surface of the soft half-shell is the arc surface of outwardly convex.Water
When pumping the water freezing in pump chamber, stress first flattens arc surface in soft half-shell, and further arc surface is pressed into recessed
Intracavitary, so that shell forms recess, such structure is capable of providing more deformation spaces, preferably absorbs what water freezing generated
Stress improves frost-cracking-preventing effect.
Alternatively, in the frost crack proof device of above-mentioned water pump, the hard half-shell is in pyramidal, the gas
Mouth is located at the small end of hard half-shell, and the big end of the hard half-shell has flange one, and the soft half-shell is the ball with opening
Shape, the opening of the soft half-shell have the flange two being mutually close to flange one, the table of the flange two far from flange one
The compression piece three of the hard to match with two shape of flange is provided on face；The compression piece three passes through several fasteners and turns over
Side one is fixedly connected with flange two.It compresses piece three to act on flange two, by the deformation of flange two to flange one and flange two
Play sealing function.
In the frost crack proof device of above-mentioned water pump, there is waterproof sealing glue-line, the waterproof gasket cement on the gas nozzle
It is contacted with the inner wall of through-hole.When assembly, it is only necessary to coat marine glue on gas nozzle, then gas nozzle is inserted into through-hole, to waterproof sealing
Curable adhesive layer forms sealing.
In the frost crack proof device of above-mentioned water pump, the gas nozzle and through-hole tight fit.By gas nozzle and through-hole tight fit,
The displacement of gas nozzle in use can be reduced, is avoided because gas nozzle and compressing and rubbing against for through-hole wall lead to gas nozzle
Damage.
In the frost crack proof device of above-mentioned water pump, there is external screw thread on the gas nozzle outer peripheral surface, pass through on the gas nozzle
External screw thread is connected with locking nut, and the locking nut is resisted against on the outer wall of the pump housing.Gas nozzle is locked by locking nut
Tightly, guarantee that gas nozzle positioning is reliable, reinforce the sealing of through hole, and make the replacement of frost crack proof device convenient.
As further preferred, in the frost crack proof device of above-mentioned water pump, it is logical that the gas nozzle is located at locking nut outer end
It crosses external screw thread and is connected with stop nut.It can be avoided locking nut by setting stop nut to loosen.
Compared with prior art, the advantages of frost crack proof device of this water pump, is:
1, the frost crack proof device of this water pump only needs to open up through-hole in pump housing suitable position during installation, then shell is packed into
In water pump pump chamber, and gas nozzle is passed through into through-hole, the installation of frost crack proof device can be completed, it is easy for installation.
2, the installation of the frost crack proof device of this water pump only needs to open up through-hole on the pump housing, both can be used for frost crack prevention water pump
Production and manufacture, and can apply to the water pump modification of existing water pump pump chamber water storage into frost crack prevention water pump, versatility is stronger.
3, for the frost crack proof device of this water pump in water pump normal work, the fluid pressure acted on entire shell is consistent,
Avoid the problem that shell fails since the pressure of variation causes to damage at installation place loosening or sealing, so that frost crack proof device
Service life is consistent substantially with the water pump service life.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the frost crack proof device of this water pump in embodiment one.
Fig. 2 is the forward sight structural schematic diagram of the frost crack proof device of this water pump in embodiment one.
Fig. 3 is the present invention looks up structural representation of the frost crack proof device of this water pump in embodiment one.
Fig. 4 is the schematic cross-sectional view in the direction A-A in Fig. 3.
Fig. 5 is the use state diagram of the frost crack proof device of this water pump in embodiment one.
Fig. 6 is the partial enlarged view in Fig. 5 at C.
Fig. 7 is the schematic perspective view of the frost crack proof device of this water pump in embodiment two.
Fig. 8 is the side structure schematic view of the frost crack proof device of this water pump in embodiment two.
Fig. 9 is the schematic cross-sectional view in the direction B-B in Fig. 8.
Figure 10 is the use state diagram and partial enlarged view of the frost crack proof device of this water pump in embodiment two.
In figure, 1, shell；1a, abdicating through hole；2, hard half-shell；2a, in-flanges one；2b, flanging one；；2c, flange
One；3, soft half-shell；3a, in-flanges two；3b, flanging two；3c, flange two；4, cavity；5, water pump pump chamber；6, gas nozzle；6a,
Convex edge；6b, external screw thread；7, the pump housing；7a, through-hole；8, sealing ring；9, locking nut；10, fastener；11, piece one is compressed；12, it presses
Tight piece two；13, piece three is compressed；14, washer；15, diversion pipe；16, annular protrusion structure.
Specific embodiment
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
Embodiment one:
The frost crack proof device of this water pump includes hard half-shell 2, soft half-shell 3, cavity 4 and gas nozzle 6.
Specifically, as shown in Figure 1, Figure 2 and Figure 3, hard half-shell 2 is fixedly connected with soft half-shell 3 and junction seals
The shell 1 of formation, shell 1 is interior to have cavity 4.There is gas nozzle 6 in a tubular form in hard half-shell 2, gas nozzle 6 is connected with cavity 4,
Soft half-shell 3 has elasticity.
As shown in Figure 4 and Figure 5,1 center of shell has the abdicating through hole 1a of perforation hard half-shell 2 and soft half-shell 3, passes through
Shell 1 can be set in annular protrusion structure 16 by abdicating through hole 1a.
As shown in Figure 4 and Figure 5, in the present embodiment, shell 1 is in circular ring shape, and 1 center of shell has abdicating through hole 1a.Hard
The inside edge of half-shell 2 has one 2a of in-flanges, and outer edge has one 2b of flanging.The inside edge of soft half-shell 3 has in-flanges
Two 3a, outer edge have two 3b of flanging.One 2a of in-flanges and two 3a of in-flanges are mutually close to, and two 3a of in-flanges is far from in-flanges
The compression piece 1 of the hard to match with two 3a shape of in-flanges is provided on the surface of one 2a, compression piece 1 passes through several
A fastener 10 is fixedly connected with one 2a of in-flanges and two 3a of in-flanges.One 2b of flanging and two 3b of flanging are mutually close to, outside
Two 3b of flange is provided with the compression piece 2 12 of the hard to match with two 3b shape of flanging on the surface far from one 2b of flanging,
Piece 2 12 is compressed to be fixedly connected by several fasteners 10 with one 2b of flanging and two 3b of flanging.Piece 1 is compressed to act on
On two 3a of in-flanges, sealing function is played to one 2a of in-flanges and two 3a of in-flanges by the deformation of two 3a of in-flanges, compresses piece
2 12 act on two 3b of flanging, play sealing to one 2b of flanging and two 3b of flanging by the deformation of two 3b of flanging and make
With.In actual production and manufacturing process, one 2a of in-flanges and two 3a of in-flanges form above-mentioned for annular protrusion structure
Against step surface, 2 bottom of hard half-shell is located at the prominent hard half-shell 2 in part of the periphery abdicating through hole 1a；Fastener 10 can be with
Using screw, pin and rivet.
Preferably, as shown in figure 4, the outer surface of soft half-shell 3 is the arc surface of outwardly convex.Soft half-shell 3 by
When pressure acts on, first arc surface is flattened, and is further recessed so that shell 1 is formed, in this way in arc surface indentation cavity 4
Structure be capable of providing more deformation spaces.
The working method of frost crack proof device is introduced in this implementation by taking frost crack proof device is mounted on self priming pump as an example, such as Fig. 5 and Fig. 6
Shown, shell 1 is mounted in water pump pump chamber 5, and is set on the diversion pipe 15 of self priming pump by abdicating through hole 1a, on the pump housing 7
It is provided with through-hole 7a, gas nozzle 6 passes through through-hole 7a and stretches out outside water pump pump chamber 5.The circumferentially distributed convex edge 6a of gas nozzle 6 covers on gas nozzle 6
Equipped with sealing ring 8,8 one end of sealing ring is resisted against on the 6a of convex edge, and the other end is resisted against on the inner wall of the pump housing 7.
During the actual manufacturing, hard half-shell 2 is made of metal or plastic material, in normal practical situation
Do not deform.Soft half-shell 3 can be made of rubber material, be able to bear the fluid pressure of water pump pump chamber 5, but in water
Liquid in pump pump chamber 5 is deformed after freezing by stress.
Preferably, as shown in figure 4, having external screw thread 6b on 6 outer peripheral surface of gas nozzle, pass through external screw thread 6b on gas nozzle 6
It is connected with locking nut 9, locking nut 9 is resisted against on the outer wall of the pump housing 7, is locked by locking nut 9 to gas nozzle 6, is protected
Card gas nozzle 6 positions sealing reliable, at reinforcement through-hole 7a, and makes the replacement of frost crack proof device convenient.As further excellent
Choosing, gas nozzle 6 are located at 9 outer end of locking nut and are connected with stop nut (not shown) by external screw thread 6b, locking by being arranged
Nut can be avoided locking nut 9 and loosen.It, can also be in the pump housing 7 and locking screw in actual production and manufacturing process
Washer 14 is set between mother 9, and the power for guaranteeing that locking nut 9 acts on the pump housing 7 is more balanced.
The working principle of the frost crack proof device of this water pump is: when pump working, liquid reaches work pressure in water pump pump chamber 5
Power, soft half-shell 3 also have certain non-deformability, and the soft half-shell 3 under operating pressure effect of shell 1 does not deform.
When water pump stops working at low ambient temperatures, the liquid being accumulated in water pump pump chamber 5 starts to freeze, and shell 1 is subject at this time
Pressure is gradually increased, and soft half-shell 3 is deformed into cavity 4, and the air in cavity 4 is discharged by gas nozzle 6, thus
The stress that liquid icing generates is absorbed, 7 spalling of the pump housing is avoided.After ice-out in water pump pump chamber 5, air by gas nozzle 6 into
Enter in cavity 4, soft half-shell 3 restores, and can normally play frost-cracking-preventing function after freeze next time.
Embodiment two:
Technical solution in the present embodiment and the technical solution in embodiment one are essentially identical, the difference is that, this reality
It applies in example, as shown in Figure 7, Figure 8 and Figure 9, for hard half-shell 2 in pyramidal, gas nozzle 6 is located at the small end of hard half-shell 2, hard half-shell
2 big end has one 2e of flange, and soft half-shell 3 is the spherical shape with opening, and the opening of soft half-shell 3 has and one 2e of flange
Two 3c of flange being mutually close to, two 3c of flange be provided on the surface far from one 2e of flange match with two 3c shape of flange it is hard
The compression piece 3 13 of matter；Piece 3 13 is compressed to be fixedly connected by several fasteners 10 with one 2e of flange and two 3c of flange.
The present embodiment is by taking frost crack proof device is mounted on centrifugal pump as an example, and as shown in Figure 10, shell 1 can pass through sealing ring 8
It is resisted against in the convex edge 6a (not shown) of gas nozzle 6 with water pump cover 1 against can also be resisted against using 8 one end of sealing ring
The big end of hard half-shell 2, the other end are resisted against on water pump cover 1.
Embodiment three:
Technical solution in the present embodiment and the technical solution in embodiment one and examples of implementation two it is essentially identical it is different it
It is in there is waterproof sealing glue-line, waterproof gasket cement contacts with the inner wall of through-hole 7a on gas nozzle 6 in the present embodiment.Assembly
When, it is only necessary to marine glue is coated on gas nozzle 6, then gas nozzle 6 is inserted into through-hole 7a, is formed by curing sealing to waterproof sealing glue-line.
Example IV:
Technical solution in the present embodiment and the basic phase of technical solution in embodiment one, examples of implementation two and embodiment three
With the difference is that, in the present embodiment, gas nozzle 6 and through-hole 7a tight fit.By gas nozzle 6 and through-hole 7a tight fit, can subtract
Guarantee the displacement of gas nozzle 6 in use less, avoids because gas nozzle 6 and compressing and rubbing against for through-hole 7a inner wall lead to gas nozzle 6
It is damaged.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (10)
1. a kind of frost crack proof device of water pump, the frost crack proof device includes by hard half-shell (2) and flexible soft half
Shell (3) is fixedly connected and junction seals the shell to be formed (1), has cavity (4) in the shell (1), which is characterized in that
The shell (1) can be mounted in water pump pump chamber (5), have gas nozzle (6) in a tubular form, the gas on the hard half-shell (2)
Mouth (6) is connected with cavity (4), and the through-hole (7a) that the gas nozzle (6) can pass through on the pump housing (7) stretches out water pump pump chamber (5) outside.
2. the frost crack proof device of water pump according to claim 1, which is characterized in that shell (1) center, which has, steps down
Through-hole (1a), the position of center line of gas nozzle (6) axial line and the abdicating through hole (1a) are to be mutually perpendicular to relationship, the gas
There is circumferentially distributed convex edge (6a) on mouth (6).
3. the frost crack proof device of water pump according to claim 2, which is characterized in that be arranged with sealing on the gas nozzle (6)
It encloses (8), described sealing ring (8) one end is resisted against on convex edge (6a), and the other end can be resisted against on the inner wall of the pump housing (7).
4. the frost crack proof device of water pump according to claim 2, which is characterized in that the inside edge of the hard half-shell (2)
With in-flanges one (2a), outer edge has flanging one (2b)；The inside edge of the soft half-shell (3) has in-flanges two
(3a), outer edge have flanging two (3b)；The in-flanges one (2a) and in-flanges two (3a) are mutually close to, the in-flanges
Two (3a) are far from the compression piece one for being provided with the hard to match with in-flanges two (3a) shape on the surface of in-flanges one (2a)
(11), the compression piece one (11) connects by the way that several fasteners (10) and in-flanges one (2a) and in-flanges two (3a) are fixed
It connects；The flanging one (2b) and flanging two (3b) are mutually close to, and the flanging two (3b) is far from flanging one (2b)
The compression piece two (12) of the hard to match with flanging two (3b) shape is provided on surface, the compression piece two (12) passes through
Several fasteners (10) are fixedly connected with flanging one (2b) and flanging two (3b).
5. the frost crack proof device of water pump according to claim 2, which is characterized in that the outer surface of the soft half-shell (3)
For the arc surface of outwardly convex.
6. the frost crack proof device of water pump according to claim 1, which is characterized in that the hard half-shell (2) in pyramidal,
The gas nozzle (6) is located at the small end of hard half-shell (2), and the big end of the hard half-shell (2) has flange one (2e), described soft
Half-shell (3) is the spherical shape with opening, and the opening of the soft half-shell (3) has the flange being mutually close to flange one (2e)
Two (3c), the flange two (3c) far from flange one (2e) surface on be provided with the hard to match with flange two (3c) shape
Compression piece three (13)；The compression piece three (13) is solid by several fasteners (10) and flange one (2e) and flange two (3c)
Fixed connection.
7. the frost crack proof device of water pump according to any one of claim 1 to 6, which is characterized in that on the gas nozzle (6)
With waterproof sealing glue-line, the waterproof gasket cement is contacted with the inner wall of through-hole (7a).
8. the frost crack proof device of water pump according to any one of claim 1 to 6, which is characterized in that the gas nozzle (6) and
Through-hole (7a) tight fit.
9. the frost crack proof device of water pump according to any one of claim 1 to 6, which is characterized in that the gas nozzle (6) is outside
There is external screw thread (6b) on circumferential surface, locking nut (9), the locking screw are connected with by external screw thread (6b) on the gas nozzle (6)
Female (9) are resisted against on the outer wall of the pump housing (7).
10. the frost crack proof device of water pump according to claim 9, which is characterized in that the gas nozzle (6) is located at locking nut
(9) outer end is connected with stop nut by external screw thread (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821251501.7U CN208634022U (en) | 2018-08-03 | 2018-08-03 | A kind of frost crack proof device of water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821251501.7U CN208634022U (en) | 2018-08-03 | 2018-08-03 | A kind of frost crack proof device of water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208634022U true CN208634022U (en) | 2019-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821251501.7U Withdrawn - After Issue CN208634022U (en) | 2018-08-03 | 2018-08-03 | A kind of frost crack proof device of water pump |
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| CN (1) | CN208634022U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108678943A (en) * | 2018-08-03 | 2018-10-19 | 台州市路桥高远日用金属制品厂 | A kind of frost crack proof device of water pump |
-
2018
- 2018-08-03 CN CN201821251501.7U patent/CN208634022U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108678943A (en) * | 2018-08-03 | 2018-10-19 | 台州市路桥高远日用金属制品厂 | A kind of frost crack proof device of water pump |
| CN108678943B (en) * | 2018-08-03 | 2024-03-22 | 林立强 | Anti-frost crack device of water pump |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20190322 Effective date of abandoning: 20240322 |