CN106286201A - A kind of stable high voltage medical pump - Google Patents
A kind of stable high voltage medical pump Download PDFInfo
- Publication number
- CN106286201A CN106286201A CN201510247290.4A CN201510247290A CN106286201A CN 106286201 A CN106286201 A CN 106286201A CN 201510247290 A CN201510247290 A CN 201510247290A CN 106286201 A CN106286201 A CN 106286201A
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- feed pathway
- apocenosis passage
- piston cylinder
- piston
- pump
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- 230000037361 pathway Effects 0.000 claims abstract description 56
- 239000007788 liquid Substances 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 15
- 230000002085 persistent effect Effects 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005213 imbibition Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
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- Details Of Reciprocating Pumps (AREA)
Abstract
The invention discloses a kind of stable high voltage medical pump, including the pump housing, feed tube and drain pipe, first piston cylinder and the second piston cylinder it is provided with in the pump housing, turn on the inner chamber of first piston cylinder and be provided with the first feed pathway and the first apocenosis passage, turn on the inner chamber of the second piston cylinder and be provided with the second feed pathway and the second apocenosis passage, feed tube is connected with the first feed pathway and the second feed pathway and respectively equipped with check valve in the first feed pathway and the second feed pathway, the pump housing is provided with switching valve, drain pipe can be with the first apocenosis passage or the second discharge opeing channel conductive by switching valve, it is respectively arranged with piston and piston rod in first piston cylinder and the second piston cylinder.This stable high voltage medical pump includes two piston cylinders, by the way of the asynchronous persistent pressure of double-piston, double-piston moves back and forth, and coordinates check valve and switching valve to realize gapless continuous high-pressure, overcome the fluctuation problem of water cutter, keep the cutting performance that water cutter is the best.
Description
Technical field
The present invention is used for technical field of medical instruments, particularly relates to a kind of stable high voltage medical pump.
Background technology
In Water Cutting technology, high-pressure pump is one of core of medical water jet design, frequently with working standard parts such as plunger displacement pumps.Existing medical high-pressure pump, when liquid entrance plunger displacement pump carries out supercharging, one end is intake by one-way water inlet valve, is released by the other end after pressurization, enters pressure duct through going out water one-way valve, by the reciprocating motion of piston, forms High-Pressure Water endlessly.But this high-pressure pump exists a commutation cycle due to piston movement, output water flow pressure also forms cyclic fluctuation, the most usually must also carry out voltage stabilizing by additionally installing high pressure accumulator additional.
Summary of the invention
For solving the problems referred to above, the present invention provides a kind of stable high voltage medical pump, is overcome the pressure oscillation problem of water cutter by gapless continuous high-pressure, thus reaches the purpose of medical pump stable high voltage；Reduce the pressure duct use to high pressure accumulator, simplify pressure duct；Total is simple and practical simultaneously, it is easy to carry out sterilization treatment, to meet the medical apparatus and instruments requirement to asepticization.
The technical solution adopted for the present invention to solve the technical problems is: a kind of stable high voltage medical pump, including the pump housing, feed tube and drain pipe, first piston cylinder and the second piston cylinder it is provided with in the described pump housing, turn on the inner chamber of described first piston cylinder and be provided with the first feed pathway and the first apocenosis passage, turn on the inner chamber of described second piston cylinder and be provided with the second feed pathway and the second apocenosis passage, described feed tube is connected and equipped with check valve in the first feed pathway and the second feed pathway with described first feed pathway and the second feed pathway respectively, the described pump housing is provided with switching valve, described drain pipe can be with described first apocenosis passage or the second discharge opeing channel conductive by described switching valve, it is respectively arranged with piston in described first piston cylinder and the second piston cylinder and to drive described piston be asynchronous reciprocating piston rod.
Being further used as the improvement of technical solution of the present invention, in the outside of the first feed pathway, the first apocenosis passage, the second feed pathway and the second apocenosis passage equipped with pump cover on the described pump housing, described pump cover is tightly connected with the described pump housing.
It is further used as the improvement of technical solution of the present invention, described switching valve includes the bullport being located in described pump cover and the switching valve ball being contained in described bullport, the two ends of described bullport are docked with described first apocenosis passage and the second apocenosis passage respectively, described switching valve ball can move in described bullport and can close described first apocenosis passage or the second apocenosis passage, the sidewall of described bullport is provided with the liquid outlet turned on described drain pipe, and the diameter of described switching valve ball is more than described liquid outlet, the first apocenosis passage and the aperture of the second apocenosis passage.
It is further used as the improvement of technical solution of the present invention, described pump cover is provided with just unidirectional valve pool to described first feed pathway and the second feed pathway, the inlet opening turned on described feed tube is offered in the bottom of described unidirectional valve pool, in described check valve includes being contained in described unidirectional valve pool and the unidirectional valve ball of described inlet opening can be closed and avoid described unidirectional valve ball to enter the first feed pathway and the anti-of the second feed pathway closes pad, described anti-closing pad and be provided with some through flow holes, the diameter of described unidirectional valve ball is more than described inlet opening and the aperture of through flow hole.
It is further used as the improvement of technical solution of the present invention, described first piston cylinder and the second piston cylinder are arranged side by side on the pump housing, and the described pump housing is formed the mounting plane assembling described pump cover in the outside of the first feed pathway, the first apocenosis passage, the second feed pathway and the second apocenosis passage.
Beneficial effects of the present invention: this stable high voltage medical pump includes two piston cylinders, by the way of the asynchronous persistent pressure of double-piston, i.e. when a piston rod inner carrier advances liquid to pressurize, another piston cylinder inner carrier carries out pumping liquid, otherwise the most contrary.Double-piston moves back and forth, and coordinates check valve and switching valve to realize gapless continuous high-pressure, has reached the purpose of medical pump stable high voltage, thus overcome the fluctuation problem of water cutter, kept the cutting performance that water cutter is the best.This is simple and practical simultaneously, it is achieved gapless continuous high-pressure can reduce the pressure duct use to high pressure accumulator, simplifies pressure duct.The present invention passes through technique scheme, can well overcome the pressure oscillation problem of water cutter, keeps the cutting performance that water cutter is the best, and total also is able to the requirement that meets medical apparatus and instruments to asepticization.
Accompanying drawing explanation
The invention will be further described below in conjunction with the accompanying drawings:
Fig. 1 is embodiment of the present invention first piston cylinder discharge opeing, the structural representation of the second piston cylinder imbibition；
Fig. 2 is embodiment of the present invention first piston cylinder imbibition, the structural representation of the second piston cylinder discharge opeing；
Fig. 3 is that the present invention is anti-closes gasket construction schematic diagram.
Detailed description of the invention
nullThe invention provides a kind of stable high voltage medical pump，Including the pump housing 1、Feed tube 2 and drain pipe 3，First piston cylinder 11 and the second piston cylinder 12 it is provided with in the described pump housing 1，Turn on the inner chamber of described first piston cylinder 11 and be provided with the first feed pathway 111 and the first apocenosis passage 112，Turn on the inner chamber of described second piston cylinder 12 and be provided with the second feed pathway 121 and the second apocenosis passage 122，Described feed tube 2 respectively with described first feed pathway 111 and the second feed pathway 121 is connected and in the first feed pathway 111 and the second feed pathway 121 equipped with check valve，The described pump housing 1 is provided with switching valve，Described drain pipe 3 can be turned on described first apocenosis passage 112 or the second apocenosis passage 122 by described switching valve，It is respectively arranged with piston 13 in described first piston cylinder 11 and the second piston cylinder 12 and drives described piston 13 in asynchronous reciprocating piston rod 14.
On the described pump housing 1, the outside in first feed pathway the 111, first apocenosis passage the 112, second feed pathway 121 and the second apocenosis passage 122 is tightly connected with the described pump housing 1 equipped with pump cover 4, described pump cover 4.Described first piston cylinder 11 and the second piston cylinder 12 are arranged side by side on the pump housing 1, and the described pump housing 1 is formed the mounting plane assembling described pump cover 4 in the outside of first feed pathway the 111, first apocenosis passage the 112, second feed pathway 121 and the second apocenosis passage 122.
Described switching valve includes that the bullport 41 being located in described pump cover 4 and the switching valve ball 42(being contained in described bullport 41 are preferably steel ball), the two ends of described bullport 41 are docked with described first apocenosis passage 112 and the second apocenosis passage 122 respectively, described switching valve ball 42 can move in described bullport 41 and can close described first apocenosis passage 112 or the second apocenosis passage 122, the sidewall of described bullport 41 is provided with and the liquid outlet 43 of described drain pipe 3 conducting, the diameter of described switching valve ball 42 is more than described liquid outlet 43, first apocenosis passage 112 and the aperture of the second apocenosis passage 122.
Described pump cover 4 is provided with just to described first feed pathway 111 and the unidirectional valve pool 44 of the second feed pathway 121, the bottom of described unidirectional valve pool 44 is offered and the inlet opening 45 of described feed tube 2 conducting, in described check valve includes being contained in described unidirectional valve pool 44 and the unidirectional valve ball 46(of described inlet opening 45 can be closed be preferably steel ball) and avoid described unidirectional valve ball 46 to enter the first feed pathway 111 and the anti-of the second feed pathway 121 closes pad 47, as shown in Figure 3, described anti-close pad 47 and be provided with some through flow holes 471, through flow hole 471 uses circular port to design, to ensure that liquid smoothness is passed through, the diameter of described unidirectional valve ball 46 is more than described inlet opening 45 and the aperture of through flow hole 471.Realize sealing effect by switching valve and check valve simple and practical, be prone to it is carried out sterilizing, to meet the medical apparatus and instruments requirement to asepticization simultaneously.
With reference to Fig. 1, the piston rod 14 in first piston cylinder 11 is pushed ahead, and the inner chamber of first piston cylinder 11 produces high pressure, and the unidirectional valve ball 46 promoted outside the first feed pathway 111 in unidirectional valve pool 44 moves upward, and closes the first feed pathway 111；Promoting the switching valve ball 42 in bullport 41 to move right and close the second apocenosis passage 122 to shown position, highly pressurised liquid is discharged after the first apocenosis passage 112 enters outlet pipe 3.Simultaneously, piston rod 14 in second piston cylinder 12 aspirates backward, the inner chamber of the second piston cylinder 12 produces low pressure, unidirectional valve ball 46 during unidirectional valve pool 44 is interior outside second feed pathway 121 moves downwardly to be prevented closing at pad 47, and low pressure liquid still can be entered the second piston cylinder 12 by water inlet pipe 2 through the second feed pathway 121.
With reference to Fig. 2, the piston rod 14 in the second piston cylinder 12 is pushed ahead, and the inner chamber of the second piston cylinder 12 produces high pressure, and the unidirectional valve ball 46 promoted outside the second feed pathway 121 in unidirectional valve pool 44 moves upward, and closes the second feed pathway 121；Promoting the switching valve ball 42 in bullport 41 to move to shown position to the left and close the first apocenosis passage 112, highly pressurised liquid leads to after 112 roads enter outlet pipe 3 through the second discharge opeing discharges.Simultaneously, piston rod 14 in first piston cylinder 11 aspirates backward, the inner chamber of first piston cylinder 11 produces low pressure, unidirectional valve ball 46 during unidirectional valve pool 44 is interior outside first feed pathway 111 moves downwardly to be prevented closing at pad 47, and low pressure liquid still can be entered first piston cylinder 11 by water inlet pipe 2 through the first feed pathway 111.
Certainly, the invention is not limited to above-mentioned embodiment, those of ordinary skill in the art also can make equivalent variations or replacement on the premise of spirit of the present invention, and modification or the replacement of these equivalents are all contained in the application claim limited range.
Claims (5)
1. a stable high voltage medical pump, it is characterized in that: include the pump housing, feed tube and drain pipe, first piston cylinder and the second piston cylinder it is provided with in the described pump housing, turn on the inner chamber of described first piston cylinder and be provided with the first feed pathway and the first apocenosis passage, turn on the inner chamber of described second piston cylinder and be provided with the second feed pathway and the second apocenosis passage, described feed tube is connected and equipped with check valve in the first feed pathway and the second feed pathway with described first feed pathway and the second feed pathway respectively, the described pump housing is provided with switching valve, described drain pipe can be with described first apocenosis passage or the second discharge opeing channel conductive by described switching valve, it is respectively arranged with piston in described first piston cylinder and the second piston cylinder and to drive described piston be asynchronous reciprocating piston rod.
Stable high voltage medical pump the most according to claim 1, it is characterised in that: in the outside of the first feed pathway, the first apocenosis passage, the second feed pathway and the second apocenosis passage equipped with pump cover on the described pump housing, described pump cover is tightly connected with the described pump housing.
Stable high voltage medical pump the most according to claim 2, it is characterized in that: described switching valve includes the bullport being located in described pump cover and the switching valve ball being contained in described bullport, the two ends of described bullport are docked with described first apocenosis passage and the second apocenosis passage respectively, described switching valve ball can move in described bullport and can close described first apocenosis passage or the second apocenosis passage, the sidewall of described bullport is provided with the liquid outlet turned on described drain pipe, the diameter of described switching valve ball is more than described liquid outlet, first apocenosis passage and the aperture of the second apocenosis passage.
Stable high voltage medical pump the most according to claim 2, it is characterized in that: described pump cover is provided with just unidirectional valve pool to described first feed pathway and the second feed pathway, the inlet opening turned on described feed tube is offered in the bottom of described unidirectional valve pool, in described check valve includes being contained in described unidirectional valve pool and the unidirectional valve ball of described inlet opening can be closed and avoid described unidirectional valve ball to enter the first feed pathway and the anti-of the second feed pathway closes pad, described anti-close pad and be provided with some through flow holes, the diameter of described unidirectional valve ball is more than described inlet opening and the aperture of through flow hole.
5. according to the stable high voltage medical pump described in claim 2,3 or 4, it is characterized in that: described first piston cylinder and the second piston cylinder are arranged side by side on the pump housing, the described pump housing is formed in the outside of the first feed pathway, the first apocenosis passage, the second feed pathway and the second apocenosis passage the mounting plane assembling described pump cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510247290.4A CN106286201B (en) | 2015-05-14 | 2015-05-14 | A kind of stable high voltage medical pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510247290.4A CN106286201B (en) | 2015-05-14 | 2015-05-14 | A kind of stable high voltage medical pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106286201A true CN106286201A (en) | 2017-01-04 |
| CN106286201B CN106286201B (en) | 2018-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510247290.4A Active CN106286201B (en) | 2015-05-14 | 2015-05-14 | A kind of stable high voltage medical pump |
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| Country | Link |
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| CN (1) | CN106286201B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107575379A (en) * | 2017-10-27 | 2018-01-12 | 吉林省云动力智能装备制造有限公司 | High efficiency smart adjustable hydraulic pump and its pumping station system of application |
| CN109140041A (en) * | 2018-10-19 | 2019-01-04 | 惠州海卓科赛医疗有限公司 | Valve plug, high-pressure pump structure and valve plug encapsulating method |
| CN109268241A (en) * | 2018-08-13 | 2019-01-25 | 王成广 | Reciprocating air compressor cylinder body and reciprocating air compressor |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1976640A (en) * | 2004-06-30 | 2007-06-06 | 爱尔伯电子医疗设备公司 | Medical pump |
| CN1980609A (en) * | 2004-06-30 | 2007-06-13 | 爱尔伯电子医疗设备公司 | Medical pump |
| KR20140037762A (en) * | 2012-09-19 | 2014-03-27 | 에에르베에 엘렉트로메디찐 게엠베하 | Pump unit for water jet surgery |
| CN103802482A (en) * | 2012-11-12 | 2014-05-21 | 精工爱普生株式会社 | Liquid supply apparatus |
| CN103912525A (en) * | 2012-12-29 | 2014-07-09 | 上海熊猫机械(集团)有限公司 | Bidirectional multifunctional coupling device |
| CN104265619A (en) * | 2014-09-30 | 2015-01-07 | 罗凤玲 | Medical high-pressure pump |
| CN204663795U (en) * | 2015-05-14 | 2015-09-23 | 罗凤玲 | A kind of stable high voltage medical pump |
-
2015
- 2015-05-14 CN CN201510247290.4A patent/CN106286201B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1976640A (en) * | 2004-06-30 | 2007-06-06 | 爱尔伯电子医疗设备公司 | Medical pump |
| CN1980609A (en) * | 2004-06-30 | 2007-06-13 | 爱尔伯电子医疗设备公司 | Medical pump |
| KR20140037762A (en) * | 2012-09-19 | 2014-03-27 | 에에르베에 엘렉트로메디찐 게엠베하 | Pump unit for water jet surgery |
| CN103802482A (en) * | 2012-11-12 | 2014-05-21 | 精工爱普生株式会社 | Liquid supply apparatus |
| CN103912525A (en) * | 2012-12-29 | 2014-07-09 | 上海熊猫机械(集团)有限公司 | Bidirectional multifunctional coupling device |
| CN104265619A (en) * | 2014-09-30 | 2015-01-07 | 罗凤玲 | Medical high-pressure pump |
| CN204663795U (en) * | 2015-05-14 | 2015-09-23 | 罗凤玲 | A kind of stable high voltage medical pump |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107575379A (en) * | 2017-10-27 | 2018-01-12 | 吉林省云动力智能装备制造有限公司 | High efficiency smart adjustable hydraulic pump and its pumping station system of application |
| CN109268241A (en) * | 2018-08-13 | 2019-01-25 | 王成广 | Reciprocating air compressor cylinder body and reciprocating air compressor |
| CN109140041A (en) * | 2018-10-19 | 2019-01-04 | 惠州海卓科赛医疗有限公司 | Valve plug, high-pressure pump structure and valve plug encapsulating method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106286201B (en) | 2018-12-04 |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20181112 Address after: 516083 Longshan seven road, Dayawan, west of Dayawan, Guangdong Applicant after: Huizhou best medical Co., Ltd. Address before: 730000 231 Pingliang Road, Chengguan District, Lanzhou, Gansu 302 Applicant before: Luo Fengling |
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