CN208057340U - A kind of buoyancy adjustment plunger pump device - Google Patents
A kind of buoyancy adjustment plunger pump device Download PDFInfo
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- CN208057340U CN208057340U CN201820517536.4U CN201820517536U CN208057340U CN 208057340 U CN208057340 U CN 208057340U CN 201820517536 U CN201820517536 U CN 201820517536U CN 208057340 U CN208057340 U CN 208057340U
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Abstract
The utility model discloses a kind of buoyancy adjustment plunger pump devices, including input valve group, output valve group, resistance to compression cylinder body and back and forth drive piston mechanism；The resistance to compression cylinder body includes input plug-in opening, output plug-in opening and driving plug-in opening, and input plug-in opening and output plug-in opening are located on the same axis, and driving plug-in opening and the vertical intersection of the axis form a T-type channel；It is equipped with internal thread in three plug-in openings；The input valve group, output valve group and reciprocal driving piston mechanism are located in the input plug-in opening, output plug-in opening and driving plug-in opening of resistance to compression cylinder body, are fixed by screw thread.The device can operate at full sea deeply, and main movement structure bears external huge seawater pressure by pressure-containing member, it is ensured that system reliably working, equipment is simple, and mechanical efficiency and volumetric efficiency are higher.
Description
Technical field
The utility model belongs to submersible technical field, is related to buoyancy regulating device, and in particular to a kind of buoyancy adjustment column
Fill in pump installation.
Background technology
With the continuous development of science and technology, the mankind are more and more deep to the exploration of ocean, it is often necessary to use diving in deep depth
Device.For now, deep-submarine is especially big depth untethered manned underwater vehicle and unmanned submersible is required for buoyancy tune
Section system adjusts buoyancy situation of the submersible under water in motion process, to adjust floating or the dive of submersible, compensation
Buoyancy changes caused by external environment changes.The buoyant state for adjusting submersible using seawater is a kind of very simple and practical
Mode, but the buoyancy adjustment of complete extra large deep diving hydrophone is but faced with the pump housing by external huge working environment seawater pressure
It influences, the effect of external seawater pressure even can reach 115MPa or more；In addition, due to common deep manned submersible
By battery supply the energy, thus its energy resource supply is always limited.A kind of mechanical efficiency and volumetric efficiency are just needed thus all
It is high, can under the deep environment in full sea reliably working full sea-depth buoyancy regulating device.
Existing submersible buoyancy regulating device is primarily present problems with：(1) operating depth is not deep enough, substantially exists
It works in the environment of within 70MPa, the working environment of complete extra large depth 115MPa can not be reached；(2) realize that complexity, reliability are low.It adopts
Match the high-pressure undersea water pump of flow pattern with Flat valve or axis, inner body quantity is especially more, and device structure is complicated, and counterpart is excessive,
Under external hyperbaric environment, part itself easy tos produce deformation, causes equipment to cross quick-wearing, or even can not work；(3) machinery effect
Rate and volumetric efficiency are too low.
Utility model content
For the above-mentioned problems in the prior art, the utility model provides a kind of buoyancy adjustment plunger pump device,
The device can operate at that full sea is deep, and main movement structure bears external huge seawater pressure by pressure-containing member, can be with
Guarantee system reliably working, equipment is simple, and mechanical efficiency and volumetric efficiency are higher.
For this purpose, the utility model uses following technical scheme：
A kind of buoyancy adjustment plunger pump device, including input valve group, output valve group, resistance to compression cylinder body and back and forth drive piston machine
Structure；The resistance to compression cylinder body includes input plug-in opening, output plug-in opening and driving plug-in opening, and the input plug-in opening and output insert
Hole is located on the same axis, and the driving plug-in opening and the vertical intersection of the axis form the channel of a T-type；Three insertings
Internal thread is equipped in hole；The input valve group is located in the input plug-in opening of resistance to compression cylinder body, is fixed by screw thread, and lead to
The O-ring crossed in input valve group is sealed；The output valve group is located in the output plug-in opening of resistance to compression cylinder body, by screw thread into
Row is fixed, and the O-ring progress by exporting in valve group seals；The reciprocal driving piston mechanism is located at the driving of resistance to compression cylinder body
The O-ring on driving plug-in opening in plug-in opening, being fixed by screw thread, and passing through resistance to compression cylinder body is sealed.
Preferably, the input valve group is connected to the variable ballast tank of submersible, is used for submersible shifting ballast water
The normal pressure ballast water in cabin is drawn into plunges pump body, while providing the sealing between variable ballast tank and plunges pump body；It is described
Output valve group is connected to extraneous seawater, for the water in plunges pump body to be discharged in extraneous seawater, while provide plunges pump body with
Sealing between external seawater；The reciprocal driving piston mechanism is connect with reciprocating drive mechanism with power source, for driving
Piston motion；The resistance to compression cylinder body is connected by the shell of bolt hole and power source.
Preferably, the input valve group includes support base, transfer valve under connector, input valve seat, input valve core reseting spring
Core resetting spring, input valve core reseting spring upper support seat, input spool, O-ring, they are arranged in order in an axial direction；It is described defeated
The screw-internal thread fit entered on the input plug-in opening of the external screw thread and resistance to compression cylinder body on valve seat is fixed, other side shaft end and input
The endoporus top bar of plug-in opening is close to, which constitutes a groove with input plug-in opening step, and O-ring is placed on groove；Institute
It states connector to be fastenedly connected axially through screw thread and input valve seat, be set on an end face of connector there are one groove O-ring, it is O-shaped
The other of circle is close to input valve seat on one side；The upside of the input valve core reseting spring upper support seat and inside input valve seat one
A conical surface is close to, and is equipped with an inner groovy above, for placing input valve core reseting spring；The input valve core reseting spring
Other side with input valve core reseting spring under support base be close to；The spiral shell of support base axial direction under the input valve core reseting spring
The screw threads for fastening of line and input spool side shaft end；Transfer valve core shaft end other side is equipped with a protrusion conical surface, the conical surface
With the indent cone match at input valve seat top axle end.
Further, the protrusion conical surface of the input spool has 89 ° of angle；The indent conical surface tool of the input valve seat
There is 90 ° of angle.
Further, the Rockwell hardness difference between the input valve seat and input spool is at least more than 5HRC.
Preferably, the output valve group includes connector, delivery valve seat, output valve core reseting spring support base, output spool
Resetting spring, output spool, O-ring, they are arranged in order in an axial direction；External screw thread on the delivery valve seat and resistance to compression cylinder body
Screw-internal thread fit on output plug-in opening is fixed, and other side shaft end is close to the endoporus top bar of output plug-in opening；The axis
End constitutes a groove with output plug-in opening step, and O-ring is placed on groove；The connector is axially through screw thread and delivery valve
Seat is fastenedly connected, and is set on an end face of connector there are one groove O-ring, the other of O-ring is close to delivery valve seat on one side；Institute
State the screw threads for fastening in the screw thread and delivery valve seat in the side axial direction of output valve core reseting spring support base；The output spool
The other side of resetting spring support base is set there are one inner groovy, for placing output valve core reseting spring；The output spool
The other side of resetting spring is close to the shaft shoulder on output spool side；It is convex that delivery valve core shaft end other side is equipped with one
Go out the conical surface, the conical surface and the indent cone match at the endoporus of delivery valve seat bottom.
Further, the protrusion conical surface of the output spool has 89.5 ° of angle；The indent conical surface of the delivery valve seat
With 90 ° of angle.
Further, the Rockwell hardness difference between the delivery valve seat and output spool is at least more than 5HRC.
Preferably, the reciprocal driving piston mechanism includes wear ring, O-ring, support ring, piston and piston seal group
Part, they are arranged in order in an axial direction；The support ring passes through in the driving plug-in opening on external screw thread and resistance to compression cylinder body thereon
Screw-thread fit is fixed, and other side shaft end is close to the step on the endoporus of wear ring；The wear ring is equipped with one section of protrusion
Annular shaft and resistance to compression cylinder body on driving plug-in opening coordinate, be provided with O-ring, O on the groove of driving plug-in opening in the position
The inside of type circle and the annular shaft of wear ring coordinate；The side shaft end of the wear ring be equipped with an exterior arc surface, the arc surface with
Drive the inner arc surface cooperation on plug-in opening；The wear ring protrudes above the outer diameter ratio of one section of axis between annular shaft and exterior arc surface
Driving plug-in opening at the position is smaller；The wear ring is equipped with an endoporus, which matches with piston, and piston can be resistance to
Bull ring endoporus flexible motion vertically；The piston is equipped with a groove, and piston seal component, the work are placed in groove
The outer diameter of plug seal assembly is matched with the endoporus of wear ring；It is O-ring on the inside of the piston seal component, outer sheath one is poly-
Urethane outer shroud.
Further, the Rockwell hardness difference between the wear ring and piston is at least more than 5HRC.
Compared with prior art, the utility model has the beneficial effects that：
(1) it is deep to may operate in full sea, buoyancy adjustment ability can be provided for complete extra large deep diving hydrophone, operating depth is much high
In the current buoyancy regulating device for having same type.
(2) mechanical efficiency and volumetric efficiency are higher.
(3) it may be implemented flexibly to configure.Multiple plunger pumps can simultaneously parallel operation, to provide the flow of system；Or
The output pressure of system is provided by tandem working.
(4) equipment is simple, and reliability is high.In the case of equipment lubrication abundance, the abrasion of movement parts can be ignored substantially；
Main movement structure bears external huge seawater pressure by pressure-containing member, it is ensured that system reliably working.
Description of the drawings
Fig. 1 is a kind of overall structure diagram of buoyancy adjustment plunger pump device provided by the utility model.
Fig. 2 is a kind of overall structure general assembly drawing of buoyancy adjustment plunger pump device provided by the utility model.
Fig. 3 is input valve seat construction schematic diagram.
Fig. 4 is input valve core structure schematic diagram.
Fig. 5 is delivery valve seat structural schematic diagram.
Fig. 6 is output valve core structure schematic diagram.
Reference sign：I, valve group is inputted；II, resistance to compression cylinder body；III, valve group is exported；IV, piston mechanism is back and forth driven；
1, connector；2, O-ring；3, valve seat is inputted；4, O-ring；5, O-ring；6, support ring；7, piston；8, piston seal component；9, resistance to
Bull ring；10, resistance to compression cylinder body ontology；11, delivery valve seat；12, valve core reseting spring is exported；13, output valve core reseting spring support
Seat；14, spool is exported；15, spool is inputted；16, valve core reseting spring upper support seat is inputted；17, valve core reseting spring is inputted；
18, support base under valve core reseting spring is inputted.
Specific implementation mode
Below in conjunction with the accompanying drawings and specific embodiment is described in detail the utility model, specific embodiment therein and says
It is bright to be only used for explaining the utility model, but be not intended to limit the scope of the present invention.
As shown in Figure 1, the utility model discloses a kind of buoyancy adjustment plunger pump device, including input valve group I, delivery valve
Group III, resistance to compression cylinder body II and reciprocal driving piston mechanism IV；The resistance to compression cylinder body II include input plug-in opening, output plug-in opening and
Plug-in opening, the input plug-in opening and output plug-in opening is driven to be located on the same axis, the driving plug-in opening and the axis
Vertical intersection forms the channel of a T-type；It is equipped with internal thread in three plug-in openings；The input valve group I is located at resistance to compression cylinder body
It in II input plug-in opening, is fixed by screw thread, and be sealed by inputting the O-ring in valve group I；The delivery valve
Group III be located at resistance to compression cylinder body II output plug-in opening in, be fixed by screw thread, and by export valve group III on O-ring into
Step sealing；The reciprocal driving piston mechanism IV is located in the driving plug-in opening of resistance to compression cylinder body II, is fixed by screw thread, and
It is sealed by the O-ring on the driving plug-in opening of resistance to compression cylinder body II.
Specifically, the input valve group I is connected to the variable ballast tank of submersible, is used for submersible shifting ballast water
The normal pressure ballast water in cabin is drawn into plunges pump body, while providing the sealing between variable ballast tank and plunges pump body；It is described
Output valve group III is connected to extraneous seawater, for the water in plunges pump body to be discharged in extraneous seawater, while providing plunges pump body
Sealing between external seawater；The reciprocal driving piston mechanism IV is connect with reciprocating drive mechanism with power source, is used for
Drive piston motion；The resistance to compression cylinder body II is connected by the shell of bolt hole and power source.
Specifically, as shown in Fig. 2, the input valve group I includes under connector 1, input valve seat 3, input valve core reseting spring
Support base 18, input valve core reseting spring 17, input valve core reseting spring upper support seat 16, input spool 15, O-ring 4, they
It is arranged in order in an axial direction；External screw thread on the input valve seat 3 and the internal thread on the input plug-in opening of resistance to compression cylinder body ontology 10
Cooperation is fixed, and other side shaft end is close to the endoporus top bar of input plug-in opening, the shaft end and input plug-in opening step structure
At a groove, O-ring 4 is placed on groove；The connector 1 is fastenedly connected axially through screw thread and input valve seat 3, connector 1
An end face on set there are one groove O-ring 2, O-ring 2 it is other on one side with input valve seat 3 and be close to；The input spool is multiple
The upside of position spring upper support seat 16 is close to 3 one conical surface in inside of input valve seat, an inner groovy is equipped with above, for putting
Set input valve core reseting spring 17；The other side of the input valve core reseting spring 17 is supported under input valve core reseting spring
Seat 18 is close to；The axial screw thread of support base 18 and the screw thread of 15 side shaft end of input spool are tight under the input valve core reseting spring
Gu；The 15 shaft end other side of input spool is equipped with a protrusion conical surface, the interior concave cone of the conical surface and 3 top shaft end of input valve seat
Face coordinates.
Specifically, as shown in Figure 3 and Figure 4, the protrusion conical surface of the input spool 15 has 89 ° of angle；The input
The indent conical surface of valve seat 3 has 90 ° of angle.
Specifically, the Rockwell hardness difference between the input valve seat 3 and input spool 15 is at least more than 5HRC.
Specifically, as shown in Fig. 2, the output valve group III includes connector 1, delivery valve seat 11, output valve core reseting spring
Support base 13, output valve core reseting spring 12, output spool 14, O-ring 4, they are arranged in order in an axial direction；The delivery valve seat
External screw thread on 11 is fixed with the screw-internal thread fit on the output plug-in opening of resistance to compression cylinder body ontology 10, other side shaft end with it is defeated
The endoporus for going out plug-in opening is got out of a predicament or an embarrassing situation and is close to；The shaft end constitutes a groove with output plug-in opening step, and O-ring 4 is placed on groove；
The connector 1 is fastenedly connected axially through screw thread and delivery valve seat 11, is set on an end face of connector there are one groove O-ring
2, the other of O-ring 2 is close to delivery valve seat 11 on one side；In the side axial direction of the output valve core reseting spring support base 13
Screw thread and the screw threads for fastening in delivery valve seat 11；The other side of the output valve core reseting spring support base 13 is set there are one in
Groove, for placing output valve core reseting spring 12；The other side of the output valve core reseting spring 12 and output spool 14
The shaft shoulder on side is close to；The 14 shaft end other side of output spool is equipped with a protrusion conical surface, the conical surface and delivery valve seat 11
An indent cone match at the endoporus of bottom.
Specifically, as shown in Figure 5 and Figure 6, the protrusion conical surface of the output spool 14 has 89.5 ° of angle；It is described defeated
The indent conical surface for going out valve seat 11 has 90 ° of angle.
Specifically, the Rockwell hardness difference between the delivery valve seat 11 and output spool 14 is at least more than 5HRC.
Specifically, as shown in Fig. 2, the reciprocal driving piston mechanism IV includes wear ring 9, O-ring 5, support ring 6, lives
Plug 7 and piston seal component 8, they are arranged in order in an axial direction；The support ring 6 passes through external screw thread thereon and resistance to compression cylinder body sheet
The screw-internal thread fit of driving plug-in opening on body 10 is fixed, and other side shaft end is close to the step on the endoporus of wear ring 9；
The wear ring 9 is equipped with the annular shaft of one section of protrusion and the driving plug-in opening on resistance to compression cylinder body ontology 10 coordinates, and drives plug-in opening
O-ring 5 is provided on groove in the position, the inside of O-ring 5 coordinates with the annular shaft of wear ring 9；The wear ring 9
Side shaft end is equipped with an exterior arc surface, which coordinates with the inner arc surface on driving plug-in opening；The wear ring 9 protrudes above
The outer diameter of one section of axis is more smaller than the driving plug-in opening at the position between annular shaft and exterior arc surface；The wear ring 9 is equipped with one
Endoporus, the endoporus are matched with piston 7, and piston 7 can be in 9 endoporus of wear ring flexible motion vertically；It is set on the piston 7
There is a groove, piston seal component 8 is placed in groove, the outer diameter of the piston seal component 8 matches with the endoporus of wear ring 9
It closes；8 inside of the piston seal component is O-ring, one polyurethane outer shroud of outer sheath.
Specifically, the Rockwell hardness difference between the wear ring 9 and piston 7 is at least more than 5HRC.
Embodiment
A kind of buoyancy adjustment plunger pump device used in full sea deep diving hydrophone, which can be in electricity
Reciprocating motion under the drivings such as machine, oil motor or oil cylinder is driven, to which the normal pressure of variable ballast tank in submersible is extra large
Water is discharged in the environment of submersible operating depth, achievees the purpose that adjust submersible buoyancy.The device mainly includes input valve group,
Export valve group, reciprocal driving piston mechanism and resistance to compression cylinder body.The resistance to compression cylinder body include input plug-in opening, output plug-in opening and
Plug-in opening is driven, on an axis, driving plug-in opening and the vertical intersection of the axis are formed for input plug-in opening and output plug-in opening
The channel of one T-type.The input valve group is installed to the input plug-in opening Inner of resistance to compression cylinder body, and fixation, and profit are tightened by screw thread
Sealing is provided with the O-ring in input valve group；The output valve group is installed in the output plug-in opening of resistance to compression cylinder body, passes through screw thread
Fixation is tightened, and sealing is provided using the O-ring in output valve group；The reciprocating-piston mechanism is installed to the driving of resistance to compression cylinder body
In plug-in opening, fixation is tightened by screw thread, and sealing is provided using the O-ring on resistance to compression cylinder body driving plug-in opening.The input
Valve group is generally directly or indirectly connected to the variable ballast tank of submersible, and input valve group can be by submersible variable ballast tank
Normal pressure ballast water be drawn into plunges pump body by the negative pressure that the reciprocal driving piston in plunger pump generates, while back and forth driving
The piston of piston mechanism provides the sealing between variable ballast tank and plunges pump body when squeezing into plunges pump body；The delivery valve
Group is generally directly or indirectly connected to extraneous seawater, the plunger pump when piston of reciprocal driving piston mechanism squeezes into plunges pump body
Internal water is directly or indirectly discharged to by exporting valve group in extraneous seawater, and column is extracted out in the piston of back and forth driving piston mechanism
Sealing between plunges pump body and external seawater is provided when filling in the pump housing；The reciprocal driving piston mechanism generally with motor, oily horse
It reaches or the reciprocating drive mechanism of the power sources such as oil cylinder connects；The resistance to compression cylinder body can pass through four bolts hole and electricity thereon
The shell of the power sources such as machine, oil motor or oil cylinder connects.The utility model is compact-sized, safeguards simple, it can be achieved that pump simultaneously more
Either series connection achievees the purpose that increase system discharge capacity or provides system pressure connection, and plunger pump each section cooperating realizes diving
The purpose that device is adjusted in the deep range internal buoyancy in full sea.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Any modification, equivalent replacement and improvement etc., should be included in this reality made by within the spirit and spirit of utility model
Within novel protection domain.
Claims (10)
1. a kind of buoyancy adjustment plunger pump device, including input valve group, output valve group, resistance to compression cylinder body and back and forth drive piston machine
Structure, it is characterised in that：The resistance to compression cylinder body includes input plug-in opening, output plug-in opening and driving plug-in opening, the input inserting
Hole and output plug-in opening are located on the same axis, and the driving plug-in opening and the vertical intersection of the axis, one T-type of formation lead to
Road；It is equipped with internal thread in three plug-in openings；The input valve group is located in the input plug-in opening of resistance to compression cylinder body, by screw thread into
Row is fixed, and is sealed by inputting the O-ring in valve group；The output valve group is located at the output plug-in opening of resistance to compression cylinder body
It is interior, it is fixed by screw thread, and the O-ring progress by exporting in valve group seals；The reciprocal driving piston mechanism is located at
In the driving plug-in opening of resistance to compression cylinder body, be fixed by screw thread, and pass through resistance to compression cylinder body driving plug-in opening on O-ring into
Row sealing.
2. a kind of buoyancy adjustment plunger pump device according to claim 1, it is characterised in that：The input valve group is connected to
The variable ballast tank of submersible, for the normal pressure ballast water of submersible variable ballast tank to be drawn into plunges pump body, together
When sealing between variable ballast tank and plunges pump body is provided；The output valve group is connected to extraneous seawater, is used for plunger
Water in the pump housing is discharged in extraneous seawater, while providing the sealing between plunges pump body and external seawater；The reciprocal driving is lived
Plug mechanism is connect with reciprocating drive mechanism with power source, for driving piston motion；The resistance to compression cylinder body by bolt hole with
The shell of power source connects.
3. a kind of buoyancy adjustment plunger pump device according to claim 1, it is characterised in that：The input valve group includes connecing
Head inputs valve seat, inputs support base under valve core reseting spring, being supported on input valve core reseting spring, input valve core reseting spring
Seat, input spool, O-ring, they are arranged in order in an axial direction；The input of external screw thread and resistance to compression cylinder body on the input valve seat is inserted
Dress hole on screw-internal thread fit fix, other side shaft end with input plug-in opening endoporus top bar be close to, the shaft end with it is defeated
Enter plug-in opening step and constitute a groove, O-ring is placed on groove；The connector is axially through screw thread and input valve seat fastening
It connects, is set on an end face of connector there are one groove O-ring, the other of O-ring is close to input valve seat on one side；The input
The upside of valve core reseting spring upper support seat is close to a conical surface inside input valve seat, is equipped with an inner groovy above, uses
Valve core reseting spring is inputted in placing；The other side of the input valve core reseting spring is supported under input valve core reseting spring
Seat is close to；The screw threads for fastening of the screw thread of support base axial direction and input spool side shaft end under the input valve core reseting spring；Institute
Transfer valve core shaft end other side is stated equipped with a protrusion conical surface, the indent cone match of the conical surface and input valve seat top axle end.
4. a kind of buoyancy adjustment plunger pump device according to claim 3, it is characterised in that：The protrusion of the input spool
The conical surface has 89 ° of angle；The indent conical surface of the input valve seat has 90 ° of angle.
5. a kind of buoyancy adjustment plunger pump device according to claim 4, it is characterised in that：The input valve seat and input
Rockwell hardness difference between spool is at least more than 5HRC.
6. a kind of buoyancy adjustment plunger pump device according to claim 1, it is characterised in that：The output valve group includes connecing
Head, delivery valve seat, output valve core reseting spring support base, output valve core reseting spring, output spool, O-ring, they are in an axial direction
It is arranged in order；External screw thread on the delivery valve seat is fixed with the screw-internal thread fit on the output plug-in opening of resistance to compression cylinder body, another
It is close to the endoporus top bar of output plug-in opening outer side shaft end；The shaft end constitutes a groove with output plug-in opening step, recessed
O-ring is placed on slot；The connector is fastenedly connected axially through screw thread and delivery valve seat, and an end face of connector is equipped with one
A groove O-ring, the other of O-ring are close to delivery valve seat on one side；One side axle of the output valve core reseting spring support base
Screw threads for fastening in upward screw thread and delivery valve seat；There are one the other side of the output valve core reseting spring support base is set
Inner groovy, for placing output valve core reseting spring；The other side of the output valve core reseting spring and output spool side
On the shaft shoulder be close to；Delivery valve core shaft end other side is equipped with a protrusion conical surface, the conical surface and delivery valve seat bottom endoporus
The one indent cone match at place.
7. a kind of buoyancy adjustment plunger pump device according to claim 6, it is characterised in that：The protrusion of the output spool
The conical surface has 89.5 ° of angle；The indent conical surface of the delivery valve seat has 90 ° of angle.
8. a kind of buoyancy adjustment plunger pump device according to claim 7, it is characterised in that：The delivery valve seat and output
Rockwell hardness difference between spool is at least more than 5HRC.
9. a kind of buoyancy adjustment plunger pump device according to claim 1, it is characterised in that：The reciprocal driving piston machine
Structure includes wear ring, O-ring, support ring, piston and piston seal component, they are arranged in order in an axial direction；The support ring is logical
The screw-internal thread fit for crossing external screw thread and the driving plug-in opening on resistance to compression cylinder body thereon is fixed, other side shaft end and wear ring
Endoporus on step be close to；The annular shaft that the wear ring is equipped with one section of protrusion is matched with the driving plug-in opening on resistance to compression cylinder body
It closes, O-ring is provided on the groove of driving plug-in opening in the position, the inside of O-ring and the annular shaft of wear ring coordinate；It is described
The side shaft end of wear ring is equipped with an exterior arc surface, which coordinates with the inner arc surface on driving plug-in opening；It is described wear-resisting
The outer diameter that ring protrudes above one section of axis between annular shaft and exterior arc surface is more smaller than the driving plug-in opening at the position；The wear ring
Equipped with an endoporus, which matches with piston, and piston can be in wear ring endoporus flexible motion vertically；On the piston
Equipped with a groove, piston seal component is placed in groove, the outer diameter of the piston seal component and the endoporus of wear ring match
It closes；It is O-ring, one polyurethane outer shroud of outer sheath on the inside of the piston seal component.
10. a kind of buoyancy adjustment plunger pump device according to claim 9, it is characterised in that：The wear ring and piston
Between Rockwell hardness difference at least more than 5HRC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820517536.4U CN208057340U (en) | 2018-04-12 | 2018-04-12 | A kind of buoyancy adjustment plunger pump device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820517536.4U CN208057340U (en) | 2018-04-12 | 2018-04-12 | A kind of buoyancy adjustment plunger pump device |
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| Publication Number | Publication Date |
|---|---|
| CN208057340U true CN208057340U (en) | 2018-11-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820517536.4U Active CN208057340U (en) | 2018-04-12 | 2018-04-12 | A kind of buoyancy adjustment plunger pump device |
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| CN (1) | CN208057340U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108317064A (en) * | 2018-04-12 | 2018-07-24 | 上海海洋大学 | A kind of buoyancy adjustment plunger pump device for complete extra large deep diving hydrophone |
| CN110553866A (en) * | 2019-08-26 | 2019-12-10 | 华中科技大学 | Full-sea-depth working condition simulation test system of seawater hydraulic adjustable ballast device |
-
2018
- 2018-04-12 CN CN201820517536.4U patent/CN208057340U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108317064A (en) * | 2018-04-12 | 2018-07-24 | 上海海洋大学 | A kind of buoyancy adjustment plunger pump device for complete extra large deep diving hydrophone |
| CN110553866A (en) * | 2019-08-26 | 2019-12-10 | 华中科技大学 | Full-sea-depth working condition simulation test system of seawater hydraulic adjustable ballast device |
| CN110553866B (en) * | 2019-08-26 | 2020-10-30 | 华中科技大学 | Full-sea-depth working condition simulation test system of seawater hydraulic adjustable ballast device |
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