CN209354334U - A kind of diaphragm pump - Google Patents
A kind of diaphragm pump Download PDFInfo
- Publication number
- CN209354334U CN209354334U CN201821697607.XU CN201821697607U CN209354334U CN 209354334 U CN209354334 U CN 209354334U CN 201821697607 U CN201821697607 U CN 201821697607U CN 209354334 U CN209354334 U CN 209354334U
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- China
- Prior art keywords
- diaphragm
- diaphragm pump
- shell
- connecting rod
- pushing block
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Abstract
The utility model discloses a kind of diaphragm pumps, including driving motor, the shell being connected with the driving motor, the capacity eccentric bearing being connected with the driving motor, the connecting rod being connected with the capacity eccentric bearing, the pushing block being connected with the connecting rod, the connection structure for connecting the pushing block and the connecting rod, the diaphragm being connected with the shell and the valve head being connected with the shell；Drive shaft is provided on the driving motor, the drive shaft runs through the capacity eccentric bearing；Arc cavity is provided on the diaphragm, the arc cavity is oppositely arranged with the pushing block；The height H of the arc cavity is less than or equal to the difference of the maximum spacing and minimum spacing between the pull rod and the diaphragm.Liquid inside the arc cavity is completely exhausted out by diaphragm pump provided by the utility model by the move distance that driving motor and capacity eccentric bearing control the pull rod together, eliminates noise, is improved user's use feeling, is guaranteed the service life of diaphragm pump.
Description
Technical field
The utility model relates to a kind of water pumping equipment technical field more particularly to a kind of diaphragm pumps.
Background technique
Pump be it is a kind of for trandfer fluid or make the machinery of fluid pressurized, diaphragm pump belongs to one kind of pump, and formula relies on one
Agitating back and forth for a diaphragm changes swept volume of a single chamber to suck and be discharged liquid, process of the existing diaphragm pump in water pumping
In, due to its own structure, its internal liquid can not be extruded completely, so as to cause inside cavity water storage, one
Aspect inside cavity water storage, in the process of running in diaphragm reciprocating motion, residual water constantly hits cavity, causes noise big,
The use feeling of user is influenced, on the other hand, inside cavity water storage influences the service life of diaphragm pump.Based on this, it is necessary to mention
A kind of novel diaphragm pump out solves problem above.
The utility model proposes a kind of diaphragm pump, diaphragm uses cambered design, with push diaphragm be mutually fitted close into
Row piston type back and forth designs, and liquid is avoided to remain in inside cavity.
Summary of the invention
Technical problem to be solved by the utility model is to provide a kind of diaphragm pump, diaphragm uses cambered design, with
It pushes diaphragm to be mutually fitted close progress piston type back and forth to design, liquid is avoided to remain in inside cavity.
In order to solve the above-mentioned technical problem, the utility model proposes a kind of diaphragm pumps, including driving motor and the driving
Shell that motor is connected, the capacity eccentric bearing being connected with the driving motor, the connecting rod being connected with the capacity eccentric bearing, with
Pushing block that the connecting rod is connected, is connected the connection structure that connects the pushing block and the connecting rod with the shell
Diaphragm and the valve head being connected with the shell；
Drive shaft is provided on the driving motor, the drive shaft runs through the capacity eccentric bearing；
Arc cavity is provided on the diaphragm, the arc cavity is oppositely arranged with the pushing block；
The height H of the arc cavity is less than or equal between the maximum spacing between the connecting rod and the diaphragm and minimum
Away from its difference.
Preferably, the shell includes accommodating cavity, the first mounting hole and the second mounting hole；
The drive shaft reaches the capacity eccentric bearing through first mounting hole from the driving motor.
Preferably, the connecting rod include the mounting post being sheathed on except the capacity eccentric bearing and be located at the mounting post one
First connector of side.
Preferably, the pushing block is located at except the shell comprising pushing plate and with the pushing plate in one
Second connector of structure；
Second connector extends from the pushing plate toward close to the connecting rod side；
The position of second connector and the position of second mounting hole match.
Preferably, the connection structure is threadedly coupled with first connector and the second connector respectively.
Preferably, it is provided with mounting hole on the diaphragm, is provided on the shell and protrudes from consolidating for the case surface
Fixed column, the fixed column protrude into inside the mounting hole.
Preferably, concaveconvex structure is provided on the face that the diaphragm and the pushing block contact with each other.
Preferably, screw hole is provided on the valve head, the fixed column is internally provided with screw thread, and screw runs through the spiral shell
Hole is simultaneously protruded into inside the fixed column.
Preferably, the area in the face that the pushing block is in contact with the diaphragm is greater than the maximum cross-section of the arc cavity
Area.
Preferably, the valve head is connected with the shell, is provided with water inlet and water outlet.
Implement the utility model, has the following beneficial effects:
1, diaphragm pump provided by the utility model controls the movement of the connecting rod by driving motor and capacity eccentric bearing together
Liquid inside the arc cavity is completely exhausted out by distance, eliminates noise, is improved user's use feeling, is guaranteed making for diaphragm pump
Use the service life.
2, diaphragm pump provided by the utility model, in order to prevent the liquid inside arc cavity by the diaphragm with it is described
It is overflowed in gap between pushing block, influences the leakproofness of diaphragm pump, be arranged on the face that diaphragm contacts with each other with the pushing block
There is concaveconvex structure, improves the leakproofness of the diaphragm pump.
Detailed description of the invention
Fig. 1 is the exploded view of the utility model diaphragm pump；
Fig. 2 is the schematic diagram of internal structure of the utility model diaphragm pump；
Fig. 3 is the partial enlargement structural representation of Fig. 2；
Fig. 4 is the structural schematic diagram of the shell of the utility model diaphragm pump.
Specific embodiment
It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Type is described in further detail.Only this state, the utility model occur in the text or will occur upper and lower, left and right, it is preceding,
Afterwards, the orientation such as inside and outside word is not the specific restriction to the utility model only on the basis of the attached drawing of the utility model.
As shown in Figs 1-4, the utility model embodiment provides a kind of diaphragm pump, including driving motor 1 and the driving
Shell 2 that motor 1 is connected, the capacity eccentric bearing 3 being connected with the driving motor 1, the company being connected with the capacity eccentric bearing 3
Bar 4, the pushing block 5 being connected with the connecting rod 4, the connection structure 6 for connecting the pushing block 5 and the connecting rod 4, with it is described outer
The diaphragm 7 that shell 2 is connected and the valve head 8 being connected with the shell 2；
Drive shaft 11 is provided on the driving motor 1, the drive shaft 11 runs through the capacity eccentric bearing 3；
Arc cavity 71 is provided on the diaphragm 7, the arc cavity 71 is oppositely arranged with the pushing block 5, and institute
The area for stating the face that pushing block 5 is in contact with the diaphragm 7 is greater than the maximum cross-section area of the arc cavity 71.
The driving motor 1 is for driving the capacity eccentric bearing 3 to rotate, to further realize the past of the pushing block 5
Movement is returned, the diaphragm 7 is squeezed, realizes the function of the pumping liquid of diaphragm pump.Drive shaft is provided on the driving motor 1
11, the drive shaft 11 runs through the capacity eccentric bearing 3, and when work, the driving motor 1 drives the drive shaft 11 to rotate, institute
Stating the rotation of drive shaft 11 drives the capacity eccentric bearing 3 to rotate.
As shown in figure 4, the shell 2 is connected with the driving motor 1, for installing the capacity eccentric bearing 3 and connecting rod 4
And protect component on its interior.The shell 2 includes accommodating cavity 21, the first mounting hole 22 and the second mounting hole 23, is convenient for
The drive shaft 11 reaches inside the capacity eccentric bearing 3 from the driving motor 1 through first mounting hole 22, realizes and drives
Interaction between dynamic motor 1 and the capacity eccentric bearing 3.Second mounting hole 23 is easy to implement the pushing block 5 and institute
State being fixedly connected between connecting rod 4.
The capacity eccentric bearing 3 is located inside the accommodating cavity 21 of the shell 2, and the drive shaft 11 sequentially passes through described first
Mounting hole 22 and capacity eccentric bearing 3, and the capacity eccentric bearing 3 is driven to rotate.
The connecting rod 4 is located inside the accommodating cavity 21 of the shell 2, and is installed on the capacity eccentric bearing 3, the bias
Bearing 3 rotates inside it comprising the mounting post 41 that is sheathed on except the capacity eccentric bearing 3 and is located at the mounting post
First connector 42 of 41 sides, the mounting post 41 are sheathed on except the capacity eccentric bearing 3, mistake of the capacity eccentric bearing 3 in rotation
Cheng Zhong, the connecting rod 4 does back and forth movement, to realize the back and forth movement of pushing block 5.First connector 42 is for realizing institute
State being fixedly connected between connecting rod 4 and the connection structure 6.
The pushing block 5 is located at except the shell 2 comprising pushing plate 51 and with the pushing plate 51 in one
Second connector 52 of structure, second connector 52 extend from the pushing plate 51 toward close to 4 side of connecting rod, and
The position of second connector 52 and the position of second mounting hole 23 match, and are easy to implement the pushing block 5 and institute
State the interconnection between connecting rod 4.
Described 6 one end of connection structure is connected with first connector 42, the other end and 52 phase of the second connector
Connection, specifically, the connection structure 6 is threadedly coupled with first connector 42 and the second connector 52 respectively, on the one hand
It realizes that the position between pushing block 5 and the connecting rod 4 locks, on the other hand, the promotion can also be adjusted according to actual needs
Spacing between block 5 and the connecting rod 4.
The diaphragm 7 is connected with the shell 2, specifically, mounting hole is provided on the diaphragm 7, on the shell 2
It is provided with the fixed column 24 for protruding from the case surface, the fixed column 24 protrudes into inside the mounting hole, realizes the film
Being fixedly connected between piece 7 and the shell 2.
Arc cavity 71 is provided on the diaphragm 7, the arc cavity 71 is oppositely arranged with the pushing block 5, and institute
The area for stating the face that pushing block 5 is in contact with the diaphragm 7 is greater than the maximum cross-section area of the arc cavity 71, convenient for described
Pushing block 5 squeezes the arc cavity 71, changes the volume of the arc cavity 71, to realize the diaphragm pump sucking and row
The function of liquid out.In order to which the liquid inside the arc cavity 71 to be emptied completely, the height H of the arc cavity 71 is less than
Or the difference equal to maximum spacing and minimum spacing between the connecting rod 4 and the diaphragm 7.
Herein it should be noted that by the move distance that controls the connecting rod 4 by the liquid inside the arc cavity 71
Body is completely exhausted out, and eliminates noise, is improved user's use feeling, is guaranteed the service life of diaphragm pump.
The liquid inside arc cavity 71 in the gap between the diaphragm 7 and the pushing block 5 by overflowing in order to prevent
Out, the leakproofness of diaphragm pump is influenced, concaveconvex structure is provided on the face that diaphragm 7 and the pushing block 5 contact with each other, improves institute
State the leakproofness of diaphragm pump.
The valve head 8 is connected with the shell 2, is provided with water inlet and water outlet, realizes the diaphragm pump
Pump liquid function.Specifically, being provided with screw hole on the valve head 8, the fixed column 24 is internally provided with screw thread, passes through screw
It through the screw hole and protrudes into inside the fixed column 24, realizes the fixed installation between the valve head 8 and the shell 2.
Diaphragm pump provided by the utility model, pump liquid process are as follows: the driving motor 1 drives the drive shaft 11 to rotate,
The capacity eccentric bearing 3 being sheathed in the drive shaft 11 follows the drive shaft 11 to rotate together, be fixed on the capacity eccentric bearing 3 it
Outer connecting rod 4 makees moving back and forth close to or far from the diaphragm 7, the pushing block 5 under the action of capacity eccentric bearing 3
The connecting rod 4 back and forth movement together is followed, squeeze or discharges the arc cavity 71, thus change the volume of arc cavity 71,
The pump liquid function of diaphragm pump so can be realized.
Implement the utility model, has the following beneficial effects:
1, diaphragm pump provided by the utility model controls the movement of the connecting rod by driving motor and capacity eccentric bearing together
Liquid inside the arc cavity is completely exhausted out by distance, eliminates noise, is improved user's use feeling, is guaranteed making for diaphragm pump
Use the service life.
2, diaphragm pump provided by the utility model, in order to prevent the liquid inside arc cavity by the diaphragm with it is described
It is overflowed in gap between pushing block, influences the leakproofness of diaphragm pump, be arranged on the face that diaphragm contacts with each other with the pushing block
There is concaveconvex structure, improves the leakproofness of the diaphragm pump.
Above disclosed is only a kind of preferred embodiment of the utility model, certainly cannot be practical to limit with this
Novel interest field, therefore equivalent variations made according to the claim of the utility model still belong to what the utility model was covered
Range.
Claims (10)
1. a kind of diaphragm pump, which is characterized in that including driving motor, the shell being connected with the driving motor and the drive
Capacity eccentric bearing that dynamic motor is connected, the connecting rod being connected with the capacity eccentric bearing, the pushing block being connected with the connecting rod, even
The connection structure for connecing the pushing block and the connecting rod, the diaphragm being connected with the shell and it is connected with the shell
Valve head；
Drive shaft is provided on the driving motor, the drive shaft runs through the capacity eccentric bearing；
Arc cavity is provided on the diaphragm, the arc cavity is oppositely arranged with the pushing block；
The height H of the arc cavity be less than or equal to maximum spacing between the connecting rod and the diaphragm and minimum spacing it
Difference.
2. diaphragm pump as described in claim 1, which is characterized in that the shell includes accommodating cavity, the first mounting hole and second
Mounting hole；
The drive shaft reaches the capacity eccentric bearing through first mounting hole from the driving motor.
3. diaphragm pump as claimed in claim 2, which is characterized in that the connecting rod includes being sheathed on except the capacity eccentric bearing
Mounting post and the first connector positioned at the mounting post side.
4. diaphragm pump as claimed in claim 3, which is characterized in that the pushing block is located at except the shell comprising pushes away
Movable plate and with the pushing plate be in integral structure the second connector；
Second connector extends from the pushing plate toward close to the connecting rod side；
The position of second connector and the position of second mounting hole match.
5. diaphragm pump as claimed in claim 4, which is characterized in that the connection structure respectively with first connector and
Two connectors are threadedly coupled.
6. diaphragm pump as described in claim 1, which is characterized in that be provided with mounting hole on the diaphragm, set on the shell
It is equipped with the fixed column for protruding from the case surface, the fixed column protrudes into inside the mounting hole.
7. diaphragm pump as described in claim 1, which is characterized in that set on the face that the diaphragm contacts with each other with the pushing block
It is equipped with concaveconvex structure.
8. diaphragm pump as claimed in claim 6, which is characterized in that be provided with screw hole on the valve head, the fixed column it is interior
Portion is provided with screw thread, and screw is through the screw hole and protrudes into inside the fixed column.
9. diaphragm pump as described in claim 1, which is characterized in that the area in the face that the pushing block is in contact with the diaphragm
Greater than the maximum cross-section area of the arc cavity.
10. diaphragm pump as described in claim 1, which is characterized in that the valve head is connected with the shell, is provided with
Water inlet and water outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821697607.XU CN209354334U (en) | 2018-10-19 | 2018-10-19 | A kind of diaphragm pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821697607.XU CN209354334U (en) | 2018-10-19 | 2018-10-19 | A kind of diaphragm pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209354334U true CN209354334U (en) | 2019-09-06 |
Family
ID=67780808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821697607.XU Active CN209354334U (en) | 2018-10-19 | 2018-10-19 | A kind of diaphragm pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209354334U (en) |
-
2018
- 2018-10-19 CN CN201821697607.XU patent/CN209354334U/en active Active
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