CN207920843U - A kind of cavity body structure and plunger pump - Google Patents
A kind of cavity body structure and plunger pump Download PDFInfo
- Publication number
- CN207920843U CN207920843U CN201820229184.2U CN201820229184U CN207920843U CN 207920843 U CN207920843 U CN 207920843U CN 201820229184 U CN201820229184 U CN 201820229184U CN 207920843 U CN207920843 U CN 207920843U
- Authority
- CN
- China
- Prior art keywords
- cavity
- liquid outlet
- boss
- outlet channel
- body structure
- 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.)
- Active
Links
Landscapes
- Reciprocating Pumps (AREA)
Abstract
The utility model is related to hydraulic system technical field, provides a kind of cavity body structure and plunger pump goes out liquid by the first feed pathway and the second feed pathway feed liquor by the second liquid outlet channel and the first liquid outlet channel.When the change of the pressure of interior intracavitary is small, the first catch opens the first feed pathway, while the second catch blocks the second liquid outlet channel, and feed pathway is opened at this time, and liquid outlet channel is closed, cavity body structure feed liquor；When the pressure of interior intracavitary becomes larger, the first catch blocks the first feed pathway, while the second catch opens the second liquid outlet channel, and liquid outlet channel is opened at this time, and feed pathway is closed, and cavity body structure goes out liquid.The cavity body structure realizes the function of one-way flow, plunger pump with the cavity body structure no longer needs to be arranged unidirectional valve group to plunger pump progress flow quantity control, simplify control program and control circuit, it is complicated to solve control program in the prior art, the various technical problem of control circuit so that overall structure is simple, small, easy for installation.
Description
Technical field
The utility model is related to hydraulic system technical field more particularly to a kind of cavity body structures and plunger pump.
Background technology
Plunger pump is that a kind of dynamical element of hydraulic system is inhaled by engine or motor drive from hydraulic oil container
Enter fluid, forms pressure oil liquid discharge, executive component is sent to by fluid pressure line, to realize hydraulic drive.Usually in hydraulic pressure
Corresponding valve group is arranged in system to dock with fluid pressure line, to control the break-make of fluid path, generally requires the single pump of control respectively and list
The equipment of valve, when the pipeline that need to be docked is more, numerous branches make control program complex, and control circuit is various, because
This, it is desirable to provide a kind of new technical solution is to solve the above problems.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of cavity body structures and column with one-way flow function
Plug pump.
Technical solution is used by the utility model solves above-mentioned technical problem：
A kind of cavity body structure, including the first cavity, the second cavity and diaphragm are provided, wherein：
The first feed pathway and the first liquid outlet channel are offered on first cavity；
It is provided with inner cavity on second cavity, and in communication with the inner cavity second is offered on second cavity
Feed pathway and the second liquid outlet channel；
First cavity include the first mounting surface, second cavity include the second mounting surface, first cavity and
Second cavity is detachably connected, and first mounting surface fits with second mounting surface；
It is provided with a cavity between first mounting surface and second mounting surface, first feed pathway and described
Second feed pathway is connected to the cavity respectively, first liquid outlet channel and second liquid outlet channel respectively with the sky
Chamber is connected to；
In the cavity, the diaphragm includes the first catch and the second catch for diaphragm setting, and described first
Catch is located at the port of first feed pathway, and second catch is located at the port of second liquid outlet channel, institute
Stating the pressure change of interior intracavitary can drive first catch or second catch to move.
As an improvement of the above technical solution, second feed pathway and described second is corresponded on second cavity to go out
The groove being recessed inwardly from second mounting surface, second feed pathway and described second are provided at the position in liquid channel
Liquid outlet channel is connected to the groove respectively, and the diaphragm is set in the groove.
As a further improvement of the above technical scheme, to raise up from the bottom of groove is provided in the groove
The side wall of one boss and second boss, the first boss, the second boss and the groove is surrounded jointly for installing
The mounting groove of diaphragm is stated, second feed pathway passes through the surface of the first boss to be connected to the cavity, institute
The second liquid outlet channel is stated across the surface of the second boss to be connected to the cavity.
As a further improvement of the above technical scheme, first feed pathway and described is corresponded on first cavity
It is provided at first liquid outlet channel from the outwardly projecting installation step of the first mounting surface, the installation step can be placed in described
In groove, the first boss is less than second mounting surface, and first feed pathway passes through the surface of the installation step
To be connected to the cavity.
As a further improvement of the above technical scheme, the port of first feed pathway is corresponded on the installation step
Place is provided with an annular groove so that inlet boss is formed at the port of first feed pathway, the inlet boss is high
In first mounting surface.
As a further improvement of the above technical scheme, the position that the inlet boss is corresponded in the first boss is set
It is equipped with resigning step, the resigning step is from the surface of the first boss to lower recess.
As a further improvement of the above technical scheme, the port of second liquid outlet channel is corresponded in the second boss
Place is provided with the liquid outlet boss to raise up from the surface of the second boss.
As a further improvement of the above technical scheme, the installation step is corresponded to be provided at the liquid outlet boss and be allowed
Position slot, for the recessing groove from the surface of the installation step to lower recess, first liquid outlet channel passes through the recessing groove
Surface with the cavity to be connected to.
As a further improvement of the above technical scheme, the diaphragm includes for fixing first catch and described
The bottom surface of the framework of second catch, the framework is cambered surface.
A kind of plunger pump, including holder, plunger and above-mentioned cavity body structure are additionally provided, second cavity is fixedly mounted
On the bracket, the plunger is set in the inner cavity and can be moved back and forth in the inner cavity.
The utility model has the beneficial effects that：
Cavity body structure goes out liquid by the first feed pathway and the second feed pathway feed liquor, by the second liquid outlet channel and first
Channel goes out liquid, and is opened or blocked the opening for realizing feed pathway by first the first feed pathway of catch pair of diaphragm
Or close, the second liquid outlet channel is opened or blocked by the second catch and realizes that liquid outlet channel opens or closes.When interior
The pressure of intracavitary becomes hour, and the first catch opens the first feed pathway, while the second catch blocks the second liquid outlet channel, at this time into
Liquid channel is opened, and liquid outlet channel is closed, cavity body structure feed liquor；When the pressure of interior intracavitary becomes larger, the first catch block first into
Liquid channel, while the second catch opens the second liquid outlet channel, liquid outlet channel is opened at this time, and feed pathway is closed, and cavity body structure goes out
Liquid.The cavity body structure realizes the function of one-way flow, no longer needs to be arranged unidirectional valve group to plunger pump progress flow quantity control, simplifies
Control program and control circuit, solve in the prior art that control program is complicated, control circuit various technical problem so that
Overall structure is simple, small, easy for installation.
Description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used briefly describes：
Fig. 1 is the structural schematic diagram of the utility model cavity body structure one embodiment；
Fig. 2 is enlarged drawing at the I of Fig. 1；
Fig. 3 is the structural schematic diagram of second cavity one embodiment in the utility model；
Fig. 4 is the sectional view of the second cavity shown in Fig. 3；
Fig. 5 is the assembling schematic diagram of the second cavity and diaphragm one embodiment；
Fig. 6 is the structural schematic diagram of first cavity one embodiment in the utility model；
Fig. 7 is the sectional view of the first cavity shown in Fig. 6；
Fig. 8 is the structural schematic diagram of the utility model interval diaphragm one embodiment；
Fig. 9 is the sectional view of diaphragm shown in Fig. 8；
Figure 10 is the structural schematic diagram of the utility model plunger pump one embodiment.
Specific implementation mode
The technique effect of the design of the utility model, concrete structure and generation is carried out below with reference to embodiment and attached drawing
It clearly and completely describes, to be completely understood by the purpose of this utility model, feature and effect.Obviously, described embodiment
It is a part of the embodiment of the utility model, rather than whole embodiments, it is based on the embodiments of the present invention, the skill of this field
The other embodiment that art personnel are obtained without creative efforts belongs to the model of the utility model protection
It encloses.In addition, all connection/connection relations arrived involved in patent, not singly refer to component and directly connect, and referring to can be according to specific
Performance, by adding or reducing couple auxiliary, to form more preferably coupling structure.In the utility model it is involved it is upper,
Under, the orientation such as left and right description be only for the mutual alignment relation of each component part of the utility model in attached drawing.
Each technical characteristic in the utility model, can be with combination of interactions under the premise of not conflicting conflict.
The utility model provides one embodiment of cavity body structure, please also refer to Fig. 1~9.
With reference to figure 1,2, cavity body structure includes the first cavity 100, the second cavity 200 and diaphragm 300, wherein the first cavity
The first feed pathway 110 and the first liquid outlet channel 120 are offered on 100, the second cavity offers the second feed pathway 210 and
Two liquid outlet channels 220 are additionally provided with inner cavity 230, the second feed pathway 210 and the second liquid outlet channel 220 difference on second cavity
It is connected to the inner cavity 230.The first valve passage 111 for connecting line is provided in first feed pathway 110, thus with outside
Pipeline is connected, and the first liquid outlet channel 120 is equipped with the second valve passage 121 for connecting line, thus with exterior line phase
Connection.Inner cavity 230 is for installing plunger, and plunger can do reciprocating motion of the pistons in inner cavity 230, to change in inner cavity 230
Pressure realizes feed liquor and goes out liquid.
First cavity 100 includes the first mounting surface 130, and the second cavity 200 includes the second mounting surface 240, the first cavity 100
Detachably connected with the second cavity 200, the first mounting surface 130 fits with the second mounting surface 240,130 He of the first mounting surface
Be provided with a cavity 400 between second mounting surface 240, the first feed pathway 110 and the second feed pathway 210 respectively with the cavity
400 connections, and the first liquid outlet channel 120 and the second liquid outlet channel 220 are connected to the cavity 400 respectively.Diaphragm 300 is arranged
In in the cavity 400, diaphragm 300 is made of flexible material, and it includes first gear to have elastically-deformable ability, diaphragm 300
Piece 310 and the second catch 320, the first catch 310 be located at the port of the first feed pathway 110 and with the first feed pathway 110
Port develop, the second catch 320 be located at the port of the second liquid outlet channel 220 and with the port plaster of the second liquid outlet channel 220
It is flat.
When feed liquor, the pressure in inner cavity 230 reduces so that the second catch 320 sticks on second under ambient pressure effect
On the port of liquid outlet channel 220, the first catch 310 leaves the port of the first feed pathway 110 under ambient pressure effect so that
Fluid is entered by the first valve passage 111 from the first feed pathway 110, and by the first catch 310 from the first feed pathway 110
It pushes open on port, hence into cavity 400, and is entered in inner cavity 230 by the second feed pathway.When going out liquid, inner cavity is pushed
Fluid in 230, fluid are entered in cavity 400 by the second feed pathway 210 and the first catch 310 are pressed against the first feed liquor
At the port in channel 110, the first feed pathway 110 is made to block, while fluid enters the second liquid outlet channel and pushes second open and go out liquid
The second catch 320 at 220 port of channel hence into the first liquid outlet channel 120 and passes through 121 flow ipe of the second valve passage
In.Therefore, which can carry out unidirectional feed liquor and go out liquid, realize the function of check valve.
With reference to figure 3~7, on the second cavity 200 at the position of corresponding second liquid outlet channel 220 and the second feed pathway 210
Be provided with the groove 410 being recessed inwardly from the second mounting surface, the second feed pathway 210 and the second liquid outlet channel 220 respectively with it is recessed
Slot 410 is connected to, and diaphragm 300 is set in the groove 410.Corresponding first feed pathway 110 and first goes out on first cavity 100
It is provided at liquid channel 120 from 130 outwardly projecting installation step 420 of the first mounting surface, which can be placed in groove
In 410, fastener passes through the second mounting hole 250 on the first cavity 100 the first mounting hole 140 and the second cavity 200 thereon
First cavity 100 and the second cavity 200 are removably secured connection, the first mounting surface 130 and the fitting of the second mounting surface 240,
Installation step 420 and groove 410 surround above-mentioned cavity 400 (with reference to figure 2).
It is provided with the first boss 411 to raise up from the bottom of groove 410 and second boss 412 in groove 410, first
The side wall of boss 411, second boss 412 and groove 410 surrounds the mounting groove for installing diaphragm 300, the second feed liquor jointly
Channel 210 passes through the surface of first boss 411 to be connected to cavity 400, and the second liquid outlet channel 220 passes through second boss 412
Surface to being connected to cavity 400.First boss 411 is less than the second mounting surface 240, in order to the installation of diaphragm 300, the
One feed pathway 110 passes through the surface of installation step 420 to be connected to cavity 400.
Be provided with an annular groove 421 at the port of corresponding first feed pathway 110 on installation step 420 so that first into
Inlet boss 422 is formed at the port in liquid channel 110, inlet boss 422 is higher than the first mounting surface 130 so that first gear
Piece 310 can be developed preferably with inlet boss 422, be conducive to the first catch 310 opening and to the first feed pathway 110 into
Row effectively blocks.
The position that inlet boss 422 is corresponded in first boss 411 is provided with resigning step 4111, and resigning step is from first
411 surface of boss is to lower recess so that has enough distances between inlet boss 422 and resigning step 4111, is first
Catch 310 provides enough activity spaces, is conducive to 310 smooth opening of the first catch, ensures that feed liquor is smooth.
It is provided at the port of corresponding second liquid outlet channel 220 in second boss 412 upward from the surface of second boss 412
The liquid outlet boss 4121 of protrusion so that the second catch 320 can be developed preferably with liquid outlet boss 4121, be conducive to second gear
The opening of piece 320 and the second liquid outlet channel 220 is effectively blocked.
Installation step 420 corresponds to and is provided with recessing groove 423 at liquid outlet boss 4121, and recessing groove 423 is from installation step 420
Surface to lower recess, the first liquid outlet channel 120 passes through the surface of recessing groove 423 to be connected to cavity 400.Recessing groove 423
So that liquid outlet boss 4121 has between the port of the first liquid outlet channel 120 at a distance from enough, which provides
Enough activity spaces are conducive to the second catch smooth opening, ensure liquid smooth.
Fig. 8 is the structural schematic diagram of the utility model interval diaphragm one embodiment, and Fig. 9 is cuing open for diaphragm shown in Fig. 8
View, with reference to Fig. 2,8,9, diaphragm 300 includes framework 330, and the first catch 310 and the second catch 320 pass through interconnecting piece
340 are fixedly connected with framework 330, and the bottom surface of framework 330 is cambered surface 331, and the cambered surface 331 and the bottom surface of above-mentioned groove 410 carry out
Line contacts, and realizes good sealing function, ensures that pressure is not revealed in inner cavity 230.330 top of framework is additionally provided with fin 332,
The fin 332 reclines to realize sealing with 420 phase of installation step on the first cavity 100, and the pressure in guarantee cavity 400 is not
Leakage.
The utility model additionally provides a kind of plunger pump, and Figure 10 is the structural schematic diagram of plunger pump one embodiment, reference
Figure 10, plunger pump include holder 1, plunger 2 and previously described cavity body structure 3, and the second cavity 200 is fixedly mounted on holder 1,
Plunger 2 is set in inner cavity 230 and can be moved back and forth in inner cavity 230, to change chamber pressure, by plunger 2 toward inner cavity 230
When outer pulling, the pressure in inner cavity 230 reduces, by above it is found that fluid enters from the first feed pathway and the second feed pathway
In inner cavity；Plunger 2 is pushed in inner cavity 230, the pressure in inner cavity 230 increases at this time, by above it is found that fluid passes through second
Liquid outlet channel and the outflow of the first liquid outlet channel realize the unidirectional feed liquor of plunger pump or go out liquid hence into pipeline.With it is existing
Technology is compared, and the plunger pump with the cavity body structure has the function of one-way flow, without in addition setting valve group and its controlling party
Case simplifies control program and control circuit, simple, small, the easy for installation advantage of overall structure.
The preferred embodiment of the utility model is above are only, but the utility model is not restricted to embodiment, is familiar with ability
The technical staff in domain can also make a variety of equivalent variations or replacement without departing from the spirit of the present invention, these etc.
Same deformation or replacement is all contained in the application claim limited range.
Claims (10)
1. a kind of cavity body structure, it is characterised in that：Including the first cavity, the second cavity and diaphragm, wherein：
The first feed pathway and the first liquid outlet channel are offered on first cavity；
It is provided with inner cavity on second cavity, and offers the second feed liquor in communication with the inner cavity on second cavity
Channel and the second liquid outlet channel；
First cavity includes the first mounting surface, and second cavity includes the second mounting surface, first cavity and described
Second cavity is detachably connected, and first mounting surface fits with second mounting surface；
A cavity, first feed pathway and described second are provided between first mounting surface and second mounting surface
Feed pathway is connected to the cavity respectively, and first liquid outlet channel and second liquid outlet channel connect with the cavity respectively
It is logical；
In the cavity, the diaphragm includes the first catch and the second catch, first catch for the diaphragm setting
At the port of first feed pathway, second catch is located at the port of second liquid outlet channel, described interior
The pressure change of intracavitary can drive first catch or second catch to move.
2. cavity body structure according to claim 1, it is characterised in that：It is logical that second feed liquor is corresponded on second cavity
The groove being recessed inwardly from second mounting surface, second feed liquor are provided at the position of road and second liquid outlet channel
Channel and second liquid outlet channel are connected to the groove respectively, and the diaphragm is set in the groove.
3. cavity body structure according to claim 2, it is characterised in that：It is provided in the groove upward from the bottom of groove
The first boss and second boss of protrusion, the side wall of the first boss, the second boss and the groove surround use jointly
In the mounting groove for installing the diaphragm, second feed pathway passes through the surface of the first boss thus with the cavity
Connection, second liquid outlet channel pass through the surface of the second boss to be connected to the cavity.
4. cavity body structure according to claim 3, it is characterised in that：It is logical that first feed liquor is corresponded on first cavity
It is provided at road and first liquid outlet channel from the outwardly projecting installation step of the first mounting surface, the installation step can
It is placed in the groove, the first boss is less than second mounting surface, and first feed pathway passes through the erecting bed
The surface of rank with the cavity to be connected to.
5. cavity body structure according to claim 4, it is characterised in that：It is logical that first feed liquor is corresponded on the installation step
An annular groove is provided at the port in road so that inlet boss, the feed liquor are formed at the port of first feed pathway
Mouth boss is higher than first mounting surface.
6. cavity body structure according to claim 5, it is characterised in that：The inlet boss is corresponded in the first boss
Position be provided with resigning step, the resigning step is from the surface of the first boss to lower recess.
7. cavity body structure according to claim 4, it is characterised in that：Described second is corresponded in the second boss, and to go out liquid logical
The liquid outlet boss to raise up from the surface of the second boss is provided at the port in road.
8. cavity body structure according to claim 7, it is characterised in that：The installation step corresponds at the liquid outlet boss
It is provided with recessing groove, from the surface of the installation step to lower recess, first liquid outlet channel passes through described the recessing groove
The surface of recessing groove with the cavity to be connected to.
9. cavity body structure according to claim 8, it is characterised in that：The diaphragm includes for fixing the first gear
The bottom surface of the framework of piece and second catch, the framework is cambered surface.
10. a kind of plunger pump, it is characterised in that：Including the cavity described in any one of holder, plunger and claim 1~9
Structure, second cavity are fixedly mounted on the bracket, and the plunger is set in the inner cavity and can be in the inner cavity
Middle reciprocating motion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820229184.2U CN207920843U (en) | 2018-02-08 | 2018-02-08 | A kind of cavity body structure and plunger pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820229184.2U CN207920843U (en) | 2018-02-08 | 2018-02-08 | A kind of cavity body structure and plunger pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207920843U true CN207920843U (en) | 2018-09-28 |
Family
ID=63603905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820229184.2U Active CN207920843U (en) | 2018-02-08 | 2018-02-08 | A kind of cavity body structure and plunger pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207920843U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021128685A1 (en) * | 2019-12-27 | 2021-07-01 | 南微医学科技股份有限公司 | Pump head of pressure pump and pressure pump |
-
2018
- 2018-02-08 CN CN201820229184.2U patent/CN207920843U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021128685A1 (en) * | 2019-12-27 | 2021-07-01 | 南微医学科技股份有限公司 | Pump head of pressure pump and pressure pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207920843U (en) | A kind of cavity body structure and plunger pump | |
| WO2023071815A1 (en) | Water supply system and floor cleaning apparatus | |
| CN208203518U (en) | A kind of diaphragm pump | |
| CN204225236U (en) | One enters draining Integral hydraulic flushing valve | |
| CN210266048U (en) | Negative pressure valve and water supply system with same | |
| CN208964527U (en) | A kind of OIL IN LUBRICATING OIL PRODUCTION filling apparatus | |
| CN213670235U (en) | Double-component back suction type dispensing valve | |
| CN110312662A (en) | A kind of elastomeric bladder pump | |
| CN110185665A (en) | A kind of holding valve | |
| CN218760656U (en) | Fluid conveying device | |
| CN110145508A (en) | A kind of multi-way valve equipped with holding valve | |
| CN113551041B (en) | Multipurpose double-flow valve | |
| CN218093666U (en) | Throttling one-way throttle valve | |
| CN110553069A (en) | Fluid pressure stabilizing valve | |
| CN211613104U (en) | Water outlet mechanism, shower head and shower device | |
| CN202209474U (en) | Double-current direction combined solenoid valve | |
| CN208010970U (en) | A kind of one-way valve structures and constant displacement pump | |
| CN214946463U (en) | Special remote control electromagnetic sewage valve for cleaning mop container | |
| CN211009937U (en) | Flat valve used in petroleum pipeline | |
| CN210890159U (en) | Integrated liquid level control system | |
| CN215595845U (en) | Water pump lifting mechanism for domestic appliance | |
| CN213039873U (en) | Combined valve body | |
| CN108561295A (en) | It is a kind of to reduce remaining pump body structure | |
| CN215595846U (en) | Novel combined ultrasonic piezoelectric pump | |
| CN218773836U (en) | Liquid treatment device and cleaning apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.1021, Songbai Road, Xili street, Nanshan District, Shenzhen, Guangdong 518000 Patentee after: Shenzhen Kentuo Fluid Technology Co.,Ltd. Address before: No.1021, Songbai Road, Xili street, Nanshan District, Shenzhen, Guangdong 518000 Patentee before: SHENZHEN KEYTO FLUID CONTROL Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 518000, 2nd floor, 4th floor, and 2nd floor, Building 1, No. 2 Far East East Road, Xinhe Community, Fuhai Street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Kentuo Fluid Technology Co.,Ltd. Address before: No.1021, Songbai Road, Xili street, Nanshan District, Shenzhen, Guangdong 518000 Patentee before: Shenzhen Kentuo Fluid Technology Co.,Ltd. |