CN208252318U - A kind of dump valve of diaphragm pump and diaphragm pump with it - Google Patents
A kind of dump valve of diaphragm pump and diaphragm pump with it Download PDFInfo
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- CN208252318U CN208252318U CN201820551673.XU CN201820551673U CN208252318U CN 208252318 U CN208252318 U CN 208252318U CN 201820551673 U CN201820551673 U CN 201820551673U CN 208252318 U CN208252318 U CN 208252318U
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- valve
- diaphragm pump
- dump valve
- center connector
- pump according
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Abstract
The utility model discloses a kind of dump valves of diaphragm pump, its drip irrigation device includes being set to middle part in the center connector of rigidity and being provided at circumferentially spaced along center connector in several valve blocks flexible, it is pitted skin on the both sides of the face of the valve block, several salient points are provided on the pitted skin, the utility model has the effect of that valve block is avoided to be sticky on valve seat.Diaphragm pump with above-mentioned dump valve.
Description
Technical field
The utility model relates to diaphragm pumps, and more specifically it is related to a kind of dump valve of diaphragm pump.
Background technique
Currently, the Chinese patent that notification number is CN207111373U discloses a kind of minisize fluid pump, comprising: motor is used for
The power for making the fluid pump work is provided；The pump housing, installation to motor；Pump cover is covered on the pump housing, and forms institute
State a part of the passing away of minisize fluid pump；Wherein, the pump housing includes valve seat, is provided with for fluid to be discharged
Outflow pathway, the outflow pathway form at least part of the passing away of the fluid pump, and the valve seat is also equipped with list
To dump valve, the dump valve is between the valve seat and the pump cover and has the flexible valve for covering the outflow pathway
Piece, the valve block towards the valve seat and the covering outflow pathway is formed as spark face on one side.
It is similar to above-mentioned minisize fluid in the prior art to pump, the valve block of dump valve is arranged in plane, when valve block and stream
After body contact, there may be vacuum suctions between valve block and valve seat, so that valve block is sticky on valve seat, so as to interfere valve block
From closed state to the switching of opening state.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of dump valve of diaphragm pump,
Advantage is that valve block is avoided to be sticky on valve seat.
To achieve the above object, the utility model provides following technical solution: a kind of dump valve of diaphragm pump, including sets
Middle part is placed in the center connector of rigidity and is provided at circumferentially spaced along center connector in several valve blocks flexible, the valve
It is pitted skin on the both sides of the face of piece, several salient points is provided on the pitted skin.
By using above-mentioned technical proposal, when deformation occurs for valve block, can to generate gap between valve block and valve seat.And this
In technical solution, due to being provided with salient point on pitted skin；Then salient point is bigger relative to the deformation occurred in pitted skin other positions, therefore
Even if generate small gap between valve block and valve seat, salient point, which can be still pressed on valve seat, forms sealing.Additionally, due to
The relatively flat sliding surface of pitted skin is more coarse, after contact plane be not in vacuum suction valve seat situation, be more favorable for realizing
The switching of the open and close state of dump valve.
The utility model is further arranged to: the pitted skin is texture pitted skin.
By using above-mentioned technical proposal, the die surface corrosion reaction of the texture chemical medicinal liquid such as concentrated sulfuric acid etc. and valve block
Processing with forming snakeskin, erosion line, pears or the lines of other forms can enable the face of valve block surface and mold cavity surface accommodate few
Perhaps air will not form vacuum suction.
The utility model is further arranged to: the dump valve is symmetrical arranged relative to horizontal centre plane.
By using above-mentioned technical proposal, valve block is symmetrical arranged, and when valve block is mounted on valve seat, can arbitrarily be pacified with two sides
Dress solves the problems, such as that the prior art can only fix one side and install, improves installation effectiveness.
The utility model is further arranged to: the valve block includes the root being connected on the connector of center and integrally connected
In leaf portion of the root far from center connector side, the thickness of the root is less than the thickness of leaf portion.
By using above-mentioned technical proposal, root connects leaf portion and center connector, ensure that leaf portion and center connect first
Being stably connected in junctor bracket；Secondly root improves the spacing between leaf portion and center connector, and it is real respectively to be conducive to leaf portion
Now it is opened and closed two states.In addition root is easier to deformation compared to leaf portion, is further conducive to leaf portion and the state of open and close occurs.
The utility model is further arranged to: the salient point is uniformly distributed on pitted skin in concentric annular.
By using above-mentioned technical proposal, cricoid salient point is capable of forming the closing for being similar to annular after deformation
Structure, and concentric annular is equal to the enclosed construction for establishing multiple annulars, is more favorable for realizing the sealing between valve block and valve seat.
The utility model is further arranged to: the leaf portion is in round pie, is opened on the outer of the leaf portion both sides of the face
Equipped with rounded corner.
By using above-mentioned technical proposal, rounded corner has the function of guiding, and leaf portion is under the guiding role of rounded corner, energy
Enough valve seats of fitting more easily are closed.
The utility model is further arranged to: the outer circumferential of the center connector is extended with several registration arm, institute
Registration arm is stated to be respectively arranged between adjacent valve block.
By using above-mentioned technical proposal, registration arm is in addition to the bonding strength that is able to ascend between valve block and central connector
Except, additionally it is possible to convenient for center connector is fixed on valve seat.
The utility model is further arranged to: the registration arm include one end be integrally connected to the arm body of center connector with
And it is integrally connected to the arm body connecting column hollow far from center connector side.
By using above-mentioned technical proposal, arm body increases the contact area between valve block, so that valve block stable connection；
It can be socketed on valve seat in hollow connecting column, realize the positioning of center connector.
The utility model is further arranged to: the root is extended with the extension of linking arm body.
By using above-mentioned technical proposal, extension increases the connection area of root, improves root physical life
Simultaneously also improve root be connected with center connector between bonding strength.
To achieve the above object, the utility model provides following technical solution: a kind of diaphragm pump, including above-mentioned discharge
Valve.
By using above-mentioned technical proposal, above-mentioned dump valve is abutted by concentric raised rings, reduce valve block and valve seat it
Between gap；So that valve block is in the case where slightly deforming, valve block is still able to maintain the sealing between valve body.
In conclusion the utility model has the advantage that
1, dump valve horizontal symmetrical setting two sides is arbitrarily installed, and improves installation effectiveness；
2, the both sides of the face of leaf portion are texture pitted skin, avoid leaf portion from vacuum suction occur, influence the switching of open and-shut mode.
Detailed description of the invention
Fig. 1 is the overall structure diagram of embodiment 1；
Fig. 2 is the front view of embodiment 2；
Fig. 3 is the perspective view of the explosion of embodiment 2.
Description of symbols: the 1, pump housing；2, pump cover；3, motor；4, valve seat；5, diaphragm seat；6, shell；7, dump valve；71,
Center connector；72, registration arm；73, valve block；74, arm body；75, connecting column；76, root；77, leaf portion；78, salient point；8, enter
Valve；9, transmission mechanism；10, diaphragm portion；11, circlip；12, it exports；13, import；14, baffle.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment, a kind of dump valve of diaphragm pump, as shown in Figure 1, dump valve 7 includes being set to middle part in the center of rigidity
Connector 71 is provided at circumferentially spaced in valve block 73 flexible along center connector 71 and is integrally connected to center connector 71
Several registration arm 72 of outer circumferential.The quantity of this implementation middle valve plate 73 and the quantity of registration arm 72 are three, certainly may be used
Think four or six, and registration arm 72 is respectively arranged between adjacent valve block 73.Registration arm 72 can position dump valve 7
In on valve seat 4, outflow pathway on the salable valve seat 4 of valve block 73, to prevent the fluid reflux being discharged by outflow pathway.
As shown in Figure 1, specifically, dump valve 7 is symmetrical arranged relative to horizontal centre plane.So that the two side ends of valve block 73
Face is symmetrical arranged, and when valve block 73 is mounted on valve seat 4, can arbitrarily be installed with two sides, solving the prior art can only fix
The problem of installing on one side improves installation effectiveness.
As shown in Figure 1, center connector 71 is substantially in equilateral triangle, middle part is provided with the through-hole of connecting valve seat 4.Three
Registration arm 72 is integrally connected to respectively on the corner of center connector 71, and between 71 two adjacent sides of center connector
In 120 ° of angles.Registration arm 72 includes that one end is integrally connected to the arm body 74 of center connector 71 and is integrally connected to arm body 74
Far from the hollow connecting column 75 in 71 side of center connector.Arm body 74 increases the contact area between valve block 73, so that valve
73 stable connection of piece；It can be socketed on valve seat 4 in hollow connecting column 75, realize the positioning of center connector 71.
As shown in Figure 1, the material of valve block 73 can be silica gel or rubber comprising be connected on center connector 71
Root 76 and it is integrally connected to leaf portion 77 of the root 76 far from 71 side of center connector.Wherein root 76 is towards center connector
71 side is provided with extension, on the arm body 74 that extension is connected to two sides to two sides respectively, promoted valve block 73 and in
The stable degree that heart connector 71 connects.
Further, as shown in Figure 1, leaf portion 77 is in round pie, and the both sides of the face of leaf portion 77 are by texture technique
The pitted skin of formation.Texture is handled with the die surface corrosion reaction of chemical medicinal liquid such as concentrated sulfuric acid etc. and valve block 73, formation snakeskin,
Lose line, pears or other forms lines, 73 surface of valve block and the face of mold cavity surface can be enable to accommodate fraction of air, will not
Vacuum suction is formed, the switching of the open and-shut mode of valve block 73 is influenced.The radial spaced set of leaf portion 77 has concentric ring, and leaf portion
77 are evenly distributed with salient point 78 along concentric ring, and at least four of concentric ring, produce when between valve block 73 and valve seat 4 in the present embodiment
When giving birth to small gap, salient point 78 can still be pressed on valve seat 4 and form cricoid sealing.It is noted that in attached drawing
The size of salient point 78 is increased for the ease of observation, the size of the present embodiment bumps 78 is substantially in 0.05mm or so.In addition, leaf
Rounded corner is offered on the outer of 77 both sides of the face of portion.Improve the leakproofness of valve block 73.
Specifically, as shown in Fig. 2, the thickness of root 76 is less than the thickness of leaf portion 77.So that root 76 is compared to leaf portion 77
It is easier to deformation, the state of open and close occurs conducive to leaf portion 77.
Embodiment 2, a kind of diaphragm pump, wherein diaphragm pump can be water pump, air pump or other fluid pumps, which can
To be widely used in each technical field, such as applied to the transmission for being used for fluid in household electrical appliance or Medical Devices.In this reality
Apply in the description below example, schematically illustrated by taking water pump as an example, the diaphragm pump can also be used in pump gas, liquid or other
Suspension.
As shown in Fig. 2, diaphragm pump include the pump housing 1, lid be connected to the pump cover 2 on the pump housing 1 and be connected to the pump housing 1 far from pump cover
The motor 3 of 2 sides.The pump housing 1 connects pump cover 2 and formed to be led to for the discharge into channel and for fluid to be discharged of fluid inflow
Road.Motor 3 is for providing the power for making the diaphragm pump work.
As shown in Fig. 2, the pump housing 1 includes valve seat 4, diaphragm seat 5 and shell 6.Pump cover 2, valve seat 4, diaphragm seat 5 and shell 6 with
The sequence fits together from top to bottom, in the present embodiment, passes through the circumferential direction on pump cover 2, valve seat 4, diaphragm seat 5 and shell 6
Side wall is embedded in circlip 11, and pump cover 2, valve seat 4, diaphragm seat 5 and shell 6 are fitted together.In the installation to shell 6 of motor 3.When every
After membrane pump is assembled, the output shaft of motor 3 can be projected in shell 6.
As shown in figure 3, there is the import 13 for being arranged radially in outer circumferential on pump cover 2 and be axially disposed at middle part
Outlet 12, fluid by the import 13 enter diaphragm pump in, and by the outlet 12 outflow diaphragm pump in, as a result, pump cover 2 into
The outer ring of mouth 13 and the pump housing 1 forms a part into channel of diaphragm pump, exports the inner ring formation diaphragm pump of 12 and the pump housing 1
A part of passing away.
As shown in figure 3, being provided with the fluid inlet orifice (not shown) of connection import 13, this implementation on the outer ring of valve seat 4
Fluid inlet orifice uses porous design in example.The Fluid-exiting apertures that connection outlet 12 is provided on the inner ring of valve seat 4 (do not show in figure
Out), valve seat 4 is separated between fluid inlet orifice and Fluid-exiting apertures by the baffle 14 of setting annular.
As shown in figure 3, being equipped in valve seat 4 into valve 8 and dump valve 7.Into valve 8 between valve seat 4 and diaphragm seat.
Dump valve 7 is between valve seat 4 and pump cover 2.And entrance valve 8 and dump valve 7 are one-way conduction valve, can prevent adverse current.
As shown in figure 3, the connecting column 75 of dump valve 7 is socketed in the guiding extended on valve seat 4 specifically, in conjunction with the embodiments 1
On column, the valve block 73 of dump valve 7 is fitted on fluid outlet 12, is realized and is installed with stablizing for valve seat 4.
As shown in figure 3, being equipped with diaphragm portion 10 in diaphragm seat, diaphragm portion 10 has about the equally distributed diaphragm in its center
Unit shows triplet diaphragm portion 10 in figure.In addition, including transmission mechanism 9,9 quilt of transmission mechanism between the pump housing 1 and motor 3
It is contained in shell 6, and the reciprocal pressure of the axis along longitudinal direction for the rotary motion of 3 output shaft of motor to be converted to diaphragm portion 10
Contracting movement.Since the structure between motor 3, transmission mechanism 9 and diaphragm portion 10 is the prior art, repeat no more herein.
To sum up, by starter motor 3, diaphragm portion 10 is driven by transmission mechanism 9；It generates and fluid is driven to pass through from import 13
Fluid inlet orifice enters in diaphragm pump and drives fluid to be expelled to the power outside diaphragm pump from Fluid-exiting apertures and outlet 12.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel design concept, any modification, equivalent replacement, improvement and so on should be included in the protection of the utility model
Within the scope of.
Claims (10)
1. a kind of dump valve of diaphragm pump, it is characterised in that: including be set to middle part in rigidity center connector (71) and
It is provided at circumferentially spaced along center connector (71) in several valve blocks (73) flexible, is on the both sides of the face of the valve block (73)
Pitted skin is provided with several salient points (78) on the pitted skin.
2. the dump valve of diaphragm pump according to claim 1, it is characterised in that: the pitted skin is texture pitted skin.
3. the dump valve of diaphragm pump according to claim 1 or 2, it is characterised in that: the dump valve (7) is relative to level
Central plane is symmetrical arranged.
4. the dump valve of diaphragm pump according to claim 1, it is characterised in that: the valve block (73) includes being connected to center
Root (76) on connector (71) and it is integrally connected to the leaf portion (77) of root (76) far from center connector (71) side, institute
The thickness for stating root (76) is less than the thickness of leaf portion (77).
5. the dump valve of diaphragm pump according to claim 1, it is characterised in that: the salient point (78) is uniform in concentric annular
It is distributed on pitted skin.
6. the dump valve of diaphragm pump according to claim 4, it is characterised in that: the leaf portion (77) is in round pie, described
Rounded corner is offered on the outer of leaf portion (77) both sides of the face.
7. the dump valve of diaphragm pump according to claim 1, it is characterised in that: the week of the center connector (71) is outward
Side is extended with several registration arm (72), and the registration arm (72) is respectively arranged between adjacent valve block (73).
8. the dump valve of diaphragm pump according to claim 7, it is characterised in that: the registration arm (72) includes one end one
It is connected to the arm body (74) of center connector (71) and is integrally connected to arm body (74) far from center connector (71) side
Empty connecting column (75).
9. the dump valve of diaphragm pump according to claim 4, it is characterised in that: the root (76) is extended with linking arm body
(74) extension.
10. a kind of diaphragm pump, it is characterised in that: including any dump valve (7) of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820551673.XU CN208252318U (en) | 2018-04-18 | 2018-04-18 | A kind of dump valve of diaphragm pump and diaphragm pump with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820551673.XU CN208252318U (en) | 2018-04-18 | 2018-04-18 | A kind of dump valve of diaphragm pump and diaphragm pump with it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208252318U true CN208252318U (en) | 2018-12-18 |
Family
ID=64637593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820551673.XU Active CN208252318U (en) | 2018-04-18 | 2018-04-18 | A kind of dump valve of diaphragm pump and diaphragm pump with it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208252318U (en) |
-
2018
- 2018-04-18 CN CN201820551673.XU patent/CN208252318U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |