CN205172903U - Mechanical type diaphragm stroke controlling means - Google Patents
Mechanical type diaphragm stroke controlling means Download PDFInfo
- Publication number
- CN205172903U CN205172903U CN201521025226.3U CN201521025226U CN205172903U CN 205172903 U CN205172903 U CN 205172903U CN 201521025226 U CN201521025226 U CN 201521025226U CN 205172903 U CN205172903 U CN 205172903U
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- CN
- China
- Prior art keywords
- valve
- repairing
- rod
- fluid power
- guide rod
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a mechanical type diaphragm stroke controlling means, including cylinder body, hydraulic pipe, diaphragm, guide arm, oil extraction check valve, the oily check valve of benefit and guide rod bracket, guide rod bracket installs in the cylinder body mounting hole. Be equipped with the guiding hole at the guide rod bracket center, the guide arm passes the guiding hole, and to get into hydraulic intraductal. Be equipped with the oil extraction passageway on guide rod bracket. Be equipped with the filling oil valve body on the hydraulic pipe, it is intraductal that filling oil valve body one end stretches into hydraulic, and the other end is located the hydraulic outside of tubes and is equipped with mends oily check valve, mends oily passageway internal being equipped with of filling oil valve. Being equipped with in hydraulic that intraductal end at the filling oil valve position and mending cunning valve, the valve rod of mending on the cunning valve is located same straight line with the guide arm. The utility model discloses mend oily check valve independent setting, sealed length is short, has improved its sealing reliability. Mend oily check valve when lacking oil and just can move, improved the life -span of mending oily check valve. The concentricity of cylinder body and hydraulic pipe requires to hang down, as long as the valve rod that the guide arm can be touched on the cunning valve of benefit can.
Description
Technical field
The utility model relates to hydraulic diaphragm pump, particularly relates to the mechanical type diaphragm stroke control gear on hydraulic diaphragm pump, belongs to diaphragm pump technical field.
Background technique
Diaphragm pump is a kind of type of important pump, and the amount of deformation of barrier film need be effectively controlled, otherwise the excessive tensile of barrier film may be caused to cause destruction, affects the normal use of product.At present, the diaphragm position control mechanism of domestic and international use is mainly way of electromagnetic induction, as shown in Figure 1, it is made up of piston 21, cylinder sleeve 22, Fill valve 23, draining valve 26, Electromagnetic Control bar 28, repairing electromagnetic probe 24, oil extraction electromagnetic probe 27, oil pocket 29, barrier film 30, suction valve 31, expulsion valve 32, buffer 33 and petrol station 34 etc., this mechanism produces electromagnetic signal by controlling rod magnet 25 and electromagnetic probe, control Fill valve 23 and draining valve 26 to work, with the oil of undercompensation or discharge unnecessary oil.This device effectively can control the oil mass of diaphragm pump hydraulic pressure cavity, and the amount of deformation of barrier film is effectively controlled, but the components and parts of signal conversion are too much, and cost is high, and control system is complicated, and reliability is low.When a certain components and parts are out of order, whole system is with regard to cisco unity malfunction.
Model utility content
For prior art above shortcomings, the purpose of this utility model is to provide a kind of mechanical type diaphragm stroke control gear, and this diaphragm stroke control gear substantially increases sealing reliability, and the repairing one-way valve life-span is also improved simultaneously.
For realizing above-mentioned model utility object, the utility model have employed following technological scheme:
A kind of mechanical type diaphragm stroke control gear, comprises cylinder body, fluid power pipe, barrier film, the vittate guide rod of band, oil extraction one-way valve, repairing one-way valve and guide bar support; Fluid power pipe is fixedly connected with cylinder body, and barrier film periphery is arranged on cylinder body by gland, and diaphragm center is fixedly connected with guide rod, and the guide rod the other end is positioned at fluid power tube chamber; Be provided with mounting hole at cylinder body center, described guide bar support is arranged in cylinder body mounting hole; Be provided with pilot hole at guide bar support center, guide rod enters in fluid power pipe through pilot hole; Guide bar support is provided with oil drain passage, and oil drain passage is communicated with oil extraction one-way valve; Fluid power pipe is provided with repairing valve body, and repairing valve body one end is stretched in fluid power pipe, and it is outer and be provided with repairing one-way valve at this end that the repairing valve body the other end is positioned at fluid power pipe, is provided with the repairing passage be communicated with repairing one-way valve in repairing valve body; That end being positioned at fluid power pipe at Fill valve body is provided with repairing guiding valve, and repairing guiding valve is used for being communicated with fluid power tube cavity by repairing passage or disconnecting, and the valve rod and the guide rod that repairing guiding valve control repairing guiding valve break-make are located along the same line.
Further, described repairing guiding valve also comprises valve seat and stage clip, and valve seat is fixedly mounted on repairing valve body, and valve seat is provided with vertically through valve rod hole and repairing hole mutually, and repairing hole and repairing passage communicate; Valve rod to be arranged in valve rod hole and to be disconnected in repairing hole, and valve rod is provided with the intercommunicating pore that the repairing hole disconnected can be communicated with; Valve rod two ends are stretched out from valve rod hole, valve rod is provided with press spring base near guide rod, compression spring sleeve is on valve rod and between press spring base and valve seat, under stage clip effect, valve rod has the trend to the motion of guide rod direction all the time, be provided with spacing jump ring at the valve rod the other end, spacing jump ring is against on valve seat end face to avoid valve rod to come off from valve seat under stage clip effect.
It is clearance seal between described guide rod and guide bar support.
Described valve seat and and repairing valve body between, be respectively equipped with seal ring between repairing valve body and fluid power pipe.
Compared with prior art, the utility model has following beneficial effect:
1, repairing one-way valve is independently arranged, and seal length is short, manufactures simple, improves its sealing reliability.
2, repairing one-way valve just meeting action during oil starvation, improves the life-span of repairing one-way valve.
3, the concentricity requirement of cylinder body and fluid power pipe is low, as long as guide rod can touch the valve rod on repairing guiding valve; Reduce assembling, debugging difficulty, improve ease-to-operate.
4, sealing configuration is reliable, decreases seal leakage point.
Accompanying drawing explanation
Fig. 1-prior art structural representation.
Fig. 2-the utility model diaphragm stroke control gear structural representation.
Fig. 3-the utility model repairing sliding valve structure schematic diagram.
Embodiment
See Fig. 2, upper as can be seen from figure, the utility model mechanical type diaphragm stroke control gear, comprises cylinder body 1, fluid power pipe 2, barrier film 3, is with vittate guide rod 4, oil extraction one-way valve 5, repairing one-way valve 6 and guide bar support 7.Fluid power pipe 2 is fixedly connected with cylinder body 1, and barrier film 3 periphery is arranged on cylinder body 1 by gland, and barrier film 3 center and guide rod 4 one end are bolted to connection, and guide rod 4 the other end is positioned at fluid power pipe 2 chamber.Be provided with mounting hole at cylinder body 1 center, described guide bar support 7 to be arranged in cylinder body mounting hole and to stretch in fluid power pipe 2.Be provided with pilot hole at guide bar support 7 center, guide rod 4 enters in fluid power pipe 2 through pilot hole.Guide bar support 7 is provided with oil drain passage 8, and oil drain passage 8 is communicated with oil extraction one-way valve 5.Fluid power pipe 2 is provided with repairing valve body 9 by bolt, repairing valve body 9 one end radial direction stretches in fluid power pipe 2, it is outer and be provided with described repairing one-way valve 6 at this end that repairing valve body 9 the other end is positioned at fluid power pipe 2, is provided with the repairing path 10 be communicated with repairing one-way valve 6 in repairing valve body 9.That end being positioned at fluid power pipe at repairing valve body 9 is provided with repairing guiding valve 11, repairing guiding valve 11 is for by repairing path 10 and fluid power pipe 2 inner space or disconnection, the valve rod 12 repairing guiding valve 11 controlling repairing guiding valve break-make is located along the same line with guide rod 4, when guide rod 4 moves to valve rod 12 direction, valve rod 12 can be promoted and move together.This structure controls the motion of valve rod by guide rod, and when guide rod promotion valve rod moves to certain position, repairing passage is communicated with fluid power tube cavity by repairing guiding valve, and now whole repairing path communicates, and can carry out repairing.Otherwise repairing path disconnects, can not repairing.
See Fig. 3, except valve rod 12, described repairing guiding valve 11 also comprises valve seat 13 and stage clip 14, and valve seat 13 is fixedly mounted on repairing valve body 9, and valve seat 13 is provided with vertically through valve rod hole and repairing hole 15 mutually, and repairing hole 15 and repairing path 10 communicate.Valve rod 12 to be arranged in valve rod hole and to be disconnected in repairing hole 15, and valve rod 12 is provided with the intercommunicating pore 16 that the repairing hole 15 of disconnection can be communicated with.Valve rod 12 two ends are stretched out from valve rod hole, and valve rod 12 is provided with press spring base 17 near guide rod, and stage clip 14 is enclosed within valve rod 12 and between press spring base 17 and valve seat 13, under stage clip 14 acts on, valve rod 12 has the trend to the motion of guide rod 4 direction all the time.Be provided with draw-in groove at valve rod 12 the other end, be provided with spacing jump ring 18 in draw-in groove, spacing jump ring 18 protrudes from draw-in groove and is against on valve seat 13 end face to avoid valve rod to come off from valve seat under stage clip effect.
Be clearance seal between described guide rod 4 and guide bar support 7.
Described valve seat 13 and and repairing valve body 9 between, be respectively equipped with seal ring between repairing valve body 9 and fluid power pipe 2.
The utility model is provided with independently repairing guiding valve, and when hydraulic oil quantity not sufficient, guide rod triggers repairing valve rod and to turn left motion, and when moving to the intercommunicating pore on valve rod and being communicated with repairing hole, the connection of whole repairing path, can realize automatic repairing.When hydraulic oil is excessive, the oil duct on guide rod and the oil drain passage on guide bar support are connected, and realize automatic oil draining, reach the object accurately controlling diaphragm stroke.Due to the oil drain passage of center of gravity on guide bar support of barrier film, certain seal action is played in barrier film deadweight, therefore suitably can increase seal clearance, add and adopt this setup time gap sealing station to only have a place, reduce the resistance to motion between guide rod and guide bar support, avoid the abnormal stretching of barrier film, optimize the stress of barrier film.
The repairing guiding valve of this device only needs when repairing to contact with guide rod, does not work at ordinary times, does not also produce kinetic friction, which thereby enhance the life-span of repairing associated components.Simultaneously, repairing guiding valve is touched and conducting by guide rod, the installation precision of guide rod self requires greatly to reduce, fluid power pipe and cylinder body whether concentric, guide rod the carrying out on repairing whether placed in the middle be impact not, as long as guide rod can touch valve rod on path of travel, therefore greatly reduce processing and installation requirement.
What finally illustrate is, above-described embodiment is only unrestricted for illustration of the technical solution of the utility model, although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (4)
1. a mechanical type diaphragm stroke control gear, comprises cylinder body, fluid power pipe, barrier film, the vittate guide rod of band, oil extraction one-way valve, repairing one-way valve and guide bar support; Fluid power pipe is fixedly connected with cylinder body, and barrier film periphery is arranged on cylinder body by gland, and diaphragm center is fixedly connected with guide rod, and the guide rod the other end is positioned at fluid power tube chamber; It is characterized in that: be provided with mounting hole at cylinder body center, described guide bar support is arranged in cylinder body mounting hole; Be provided with pilot hole at guide bar support center, guide rod enters in fluid power pipe through pilot hole; Guide bar support is provided with oil drain passage, and oil drain passage is communicated with oil extraction one-way valve; Fluid power pipe is provided with repairing valve body, and repairing valve body one end is stretched in fluid power pipe, and it is outer and be provided with repairing one-way valve at this end that the repairing valve body the other end is positioned at fluid power pipe, is provided with the repairing passage be communicated with repairing one-way valve in repairing valve body; That end being positioned at fluid power pipe at Fill valve body is provided with repairing guiding valve, and repairing guiding valve is used for being communicated with fluid power tube cavity by repairing passage or disconnecting, and the valve rod and the guide rod that repairing guiding valve control repairing guiding valve break-make are located along the same line.
2. mechanical type diaphragm stroke control gear according to claim 1, it is characterized in that: described repairing guiding valve also comprises valve seat and stage clip, valve seat is fixedly mounted on repairing valve body, and valve seat is provided with vertically through valve rod hole and repairing hole mutually, and repairing hole and repairing passage communicate; Valve rod to be arranged in valve rod hole and to be disconnected in repairing hole, and valve rod is provided with the intercommunicating pore that the repairing hole disconnected can be communicated with; Valve rod two ends are stretched out from valve rod hole, valve rod is provided with press spring base near guide rod, compression spring sleeve is on valve rod and between press spring base and valve seat, under stage clip effect, valve rod has the trend to the motion of guide rod direction all the time, be provided with spacing jump ring at the valve rod the other end, spacing jump ring is against on valve seat end face to avoid valve rod to come off from valve seat under stage clip effect.
3. mechanical type diaphragm stroke control gear according to claim 1, is characterized in that: be clearance seal between described guide rod and guide bar support.
4. mechanical type diaphragm stroke control gear according to claim 2, is characterized in that: described valve seat and and repairing valve body between, be respectively equipped with seal ring between repairing valve body and fluid power pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521025226.3U CN205172903U (en) | 2015-12-11 | 2015-12-11 | Mechanical type diaphragm stroke controlling means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521025226.3U CN205172903U (en) | 2015-12-11 | 2015-12-11 | Mechanical type diaphragm stroke controlling means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205172903U true CN205172903U (en) | 2016-04-20 |
Family
ID=55736905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521025226.3U Withdrawn - After Issue CN205172903U (en) | 2015-12-11 | 2015-12-11 | Mechanical type diaphragm stroke controlling means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205172903U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105422426A (en) * | 2015-12-11 | 2016-03-23 | 重庆水泵厂有限责任公司 | Mechanical type control device for diaphragm stroke |
-
2015
- 2015-12-11 CN CN201521025226.3U patent/CN205172903U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105422426A (en) * | 2015-12-11 | 2016-03-23 | 重庆水泵厂有限责任公司 | Mechanical type control device for diaphragm stroke |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160420 Effective date of abandoning: 20170707 |
|
| AV01 | Patent right actively abandoned |