CN205207126U - Pneumatic impacted style diaphragm jet -pump - Google Patents
Pneumatic impacted style diaphragm jet -pump Download PDFInfo
- Publication number
- CN205207126U CN205207126U CN201521075640.5U CN201521075640U CN205207126U CN 205207126 U CN205207126 U CN 205207126U CN 201521075640 U CN201521075640 U CN 201521075640U CN 205207126 U CN205207126 U CN 205207126U
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- CN
- China
- Prior art keywords
- cavity
- push rod
- diaphragm
- jet
- pump
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- Expired - Fee Related
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Abstract
The utility model discloses a pneumatic impacted style diaphragm jet -pump, including solenoid valve and cavity, and be fixed in the seat of honour of cavity top, and set up in the sport chamber of cavity bottom, reach the stroke nut that passes through threaded connection with the seat of honour, and movable mounting in the inside push rod of cavity, and set up the driving spring between the seat of honour and push rod, and install guide ring and second sealing washer in the cavity, and install the first sealing washer in the push rod, and set up diaphragm and third sealing washer between sport chamber and cavity, the inlet port has been seted up to the cavity side, the cavity passes through inlet port and solenoid valve intercommunication. The utility model discloses a pneumatic impacted style diaphragm jet -pump, the stroke of push rod under by the stroke nut in terminal surface and the cavity terminal surface limit, the stroke each time and the impact force of push rod all are the same promptly, thrust output is steady, through adjusting the stroke nut, can adjust the stroke of push rod to adjust different thrust.
Description
Technical field
The utility model relates to a kind of jet-pump, is specifically related to a kind of Pneumatic impact diaphragm jet-pump.
Background technique
Hydraulic jet propulsion is a kind of special propulsion mode, and the reaction force that it utilizes boost pump to spray current advances to promote object, has high speed, energy-conservation, flexible, stable distinguishing feature, therefore advances field to obtain applying more and more widely in high-performance; Jet-pump is the core component of jet propeller, generally adopts vaneaxial pump, guide vane mixed flow pump at present, or centrifugal pump; Although this in three pump propulsion capability strong, complex structure, volume is large, is unfavorable for the development of underwater propeller microminiaturization; Therefore, be that the anti-pump that pushes away of piezoelectricity of driving element is widely used in Minitype underground aircraft with piezoelectric vibrator; Compared with conventional pump, have structure simple, volume is little, and quality is light, consumes energy low, noiseless, and without electromagnetic interference, flow and pressure are convenient to advantages such as accurately controlling; But the thrust of existing piezoelectric pump is less, jet flow underfed, cannot meet the demand of the Minitype underground aircraft that need move under water at a high speed, as Military Application field.And due to piezoelectric crystal temperature characteristic in the course of the work (operating temperature must be less than the half of distance temperature, and the distance temperature of piezoelectric crystal is generally 350 DEG C), hot operation state can not be applicable to; Therefore, in order to overcome the above problems a kind of jet-pump of design, can high-temperature work environment be overcome, simultaneously can by the larger propelling force of the structure output of simple small volume.
Model utility content
(1) technical problem that will solve
For solving the problem, the utility model proposes a kind of Pneumatic impact diaphragm jet-pump, diaphragm produces distortion under the percussion of push rod, intracavity liquid is sprayed in extruding, liquid is from going out head piece ejection, and form thrust, push rod is replied under the effect of propellant, diaphragm resets, and liquid sucks from entering head piece; Thrust exports steadily, and the thrust that adjustable generation is different.
(2) technological scheme
Pneumatic impact diaphragm jet-pump of the present utility model, comprise solenoid valve and cavity, and the seat of honour be fixed on above cavity, and be arranged at the jet flow chamber of cavity bottom, and the stroke nut be threaded connection with the seat of honour, and be movably installed in the push rod of inside cavity, and the driving spring be arranged between the seat of honour and push rod, and the guide ring be installed in cavity and the second seal ring, and be installed on the first seal ring in push rod, and the diaphragm be arranged between jet flow chamber and cavity and the 3rd seal ring; Described cavity side offers inlet hole; Described cavity is communicated with solenoid valve by inlet hole; Form closed chamber by the first seal ring and the second seal ring, by Controlling solenoid valve, can control propellant and enter Seal cage, push rod, under the effect of propellant, moves upward until push rod upper-end surface contacts with stroke nut lower end surface.
Further, described jet flow chamber is provided with inflow hole, liquid storage cylinder, diaphragm mounting groove and spurt hole; Described inflow hole and spurt hole are made up of expansion/contraction hole respectively; Its serrated end of described inflow hole is connected with liquid storage cylinder; Its expansion end of described spurt hole is connected with liquid storage cylinder; When the liquid in liquid storage cylinder is under pressure, liquid is easier to flow out from spurt hole, and when the liquid in liquid storage cylinder is subject to suction, liquid is easier to be flowed into from inflow hole; Described diaphragm is arranged in diaphragm mounting groove; Described 3rd seal ring is installed between diaphragm and diaphragm mounting groove, and the 3rd seal ring seals to liquid storage cylinder.
Further, described diaphragm arrangement below push rod, and with push rod bottom fit.
Further, fit in described driving spring one end and push rod upper-end surface.
As preferred embodiment, described guide ring is made up of high-abrasive material, and the motion of guide ring to push rod play the guiding role.
(3) beneficial effect
Compared with prior art, Pneumatic impact diaphragm jet-pump of the present utility model, push rod first strikes on diaphragm after motion certain distance under the effect of driving spring again, the impact force that the liquid in jet flow chamber will be subject to push rod in the moment of clashing into and brings, and thrust is larger; The stroke of push rod by stroke nut lower end surface and cavity interior edge face limit, namely the stroke each time of push rod is all the same with impact force, and thrust exports steadily; By adjustment stroke nut, can the stroke of regulating pushing rod, thus regulate different thrust.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model;
Fig. 2 is part-structure schematic diagram of the present utility model;
Structural representation when Fig. 3 is work of the present utility model.
Parts in accompanying drawing are labeled as: 1-jet flow chamber, 2-guide ring, 3-solenoid valve, 4-cavity, the 5-seat of honour, 6-stroke nut, 7-driving spring, 8-push rod, 9-first seal ring, 10-second seal ring, 11-diaphragm, 12-the 3rd seal ring, 101-inflow hole, 102-liquid storage cylinder, 103-diaphragm mounting groove, 104-spurt hole, 41-inlet hole, 42-closed chamber, 43-cavity interior edge face, 61-stroke nut lower end surface, 81-push rod upper-end surface, 82-push rod lower end surface.
Embodiment
Pneumatic impact diaphragm jet-pump as depicted in figs. 1 and 2, comprise solenoid valve 3 and cavity 4, and the seat of honour 5 be fixed on above cavity 4, and the jet flow chamber 1 be arranged at bottom cavity 4, and the stroke nut 6 to be threaded connection with the seat of honour 5, and be movably installed in the push rod 8 of cavity 4 inside, and the driving spring 7 be arranged between the seat of honour 5 and push rod 8, and the guide ring 2 be installed in cavity 4 and the second seal ring 10, and the first seal ring 9 be installed in push rod 8, and the diaphragm 11 be arranged between jet flow chamber 1 and cavity 4 and the 3rd seal ring 12; Described cavity 4 side opening is provided with inlet hole 41; Described cavity 4 is communicated with solenoid valve 3 by inlet hole 41; Closed chamber 42 is formed by the first seal ring 9 and the second seal ring 10, by Controlling solenoid valve 3, can control propellant and enter Seal cage 42, push rod 8, under the effect of propellant, moves upward until push rod 8 upper-end surface contacts with stroke nut lower end surface 61.
Described jet flow chamber 1 is provided with inflow hole 101, liquid storage cylinder 102, diaphragm mounting groove 103 and spurt hole 104; Described inflow hole 101 and spurt hole 104 are made up of expansion/contraction hole respectively; Described its serrated end of inflow hole 101 is connected with liquid storage cylinder 102; Described its expansion end of spurt hole 104 is connected with liquid storage cylinder 102; When the liquid in liquid storage cylinder 102 is under pressure, liquid is easier to flow out from spurt hole 104, and when the liquid in liquid storage cylinder 102 is subject to suction, liquid is easier to be flowed into from inflow hole 101; Described diaphragm 11 is arranged in diaphragm mounting groove 103; Described 3rd seal ring 12 is installed between diaphragm 11 and diaphragm mounting groove 103, and the 3rd seal ring 12 pairs liquid storage cylinder 102 seals.
Described diaphragm 11 is arranged at below push rod 8, and with push rod 8 bottom fit.
Fit in described driving spring 7 one end and push rod upper-end surface 81.
Described guide ring 2 is made up of high-abrasive material, and the motion of guide ring 2 pairs of push rods 8 play the guiding role.
Pneumatic impact diaphragm jet-pump working principle of the present utility model: as shown in Figure 1, during normality, propellant enters cavity 4 by solenoid valve 3, and push rod 8 lifts under the effect of propellant, and diaphragm 11 is in treats working state; As shown in Figure 3, during work, solenoid valve 3 cuts off the supply of propellant, push rod 8 is under the driving of driving spring 7, to the motion of diaphragm 11 direction, the push rod 8 with initial velocity strikes the liquid extruded together on diaphragm 11 and with dynamic diaphragm 11 in jet flow chamber 1, and liquid sprays from spurt hole under the extruding of diaphragm 11, until stop motion when cavity interior edge face 43 is encountered in push rod lower end surface 82, so far complete a jet flow; Subsequently, solenoid valve 3 is opened, and push rod 8 lifts, and diaphragm 11 is returned to initial position under the effect of its own resilient, and liquid sucks from inflow hole 103; Closed by the continuous unlatching of Controlling solenoid valve 3, the continuous jet flow of liquid can be realized, thus produce thrust; The stroke of push rod 8 limit by the interior edge face 43 of stroke nut lower end surface 61 and cavity 4; Can the raising height of regulating pushing rod 8 by rotating distance nut 6.
Embodiment recited above is described preferred implementation of the present utility model, not limits design of the present utility model and scope.Under the prerequisite not departing from the utility model design concept; the various modification that related domain ordinary person makes the technical solution of the utility model and improvement; protection domain of the present utility model all should be dropped into; the technology contents of the utility model request protection, all records in detail in the claims.
Claims (5)
1. a Pneumatic impact diaphragm jet-pump, it is characterized in that: comprise solenoid valve and cavity, and the seat of honour be fixed on above cavity, and be arranged at the jet flow chamber of cavity bottom, and the stroke nut to be threaded connection with the seat of honour, and be movably installed in the push rod of inside cavity, and the driving spring be arranged between the seat of honour and push rod, and the guide ring be installed in cavity and the second seal ring, and the first seal ring be installed in push rod, and the diaphragm be arranged between jet flow chamber and cavity and the 3rd seal ring; Described cavity side offers inlet hole; Described cavity is communicated with solenoid valve by inlet hole.
2. Pneumatic impact diaphragm jet-pump according to claim 1, is characterized in that: described jet flow chamber is provided with inflow hole, liquid storage cylinder, diaphragm mounting groove and spurt hole; Described inflow hole and spurt hole are made up of expansion/contraction hole respectively; Its serrated end of described inflow hole is connected with liquid storage cylinder; Its expansion end of described spurt hole is connected with liquid storage cylinder; Described diaphragm is arranged in diaphragm mounting groove; Described 3rd seal ring is installed between diaphragm and diaphragm mounting groove.
3. Pneumatic impact diaphragm jet-pump according to claim 1, is characterized in that: described diaphragm arrangement below push rod, and with push rod bottom fit.
4. Pneumatic impact diaphragm jet-pump according to claim 1, is characterized in that: fit in described driving spring one end and push rod upper-end surface.
5. Pneumatic impact diaphragm jet-pump according to claim 1, is characterized in that: described guide ring is made up of high-abrasive material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521075640.5U CN205207126U (en) | 2015-12-22 | 2015-12-22 | Pneumatic impacted style diaphragm jet -pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521075640.5U CN205207126U (en) | 2015-12-22 | 2015-12-22 | Pneumatic impacted style diaphragm jet -pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205207126U true CN205207126U (en) | 2016-05-04 |
Family
ID=55844849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521075640.5U Expired - Fee Related CN205207126U (en) | 2015-12-22 | 2015-12-22 | Pneumatic impacted style diaphragm jet -pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205207126U (en) |
-
2015
- 2015-12-22 CN CN201521075640.5U patent/CN205207126U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160504 Termination date: 20161222 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |