CN209164066U - Medical wound-cleaning water knife pressurization pump barrel - Google Patents
Medical wound-cleaning water knife pressurization pump barrel Download PDFInfo
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- CN209164066U CN209164066U CN201821906370.1U CN201821906370U CN209164066U CN 209164066 U CN209164066 U CN 209164066U CN 201821906370 U CN201821906370 U CN 201821906370U CN 209164066 U CN209164066 U CN 209164066U
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- pump barrel
- plunger
- drain
- feed liquor
- barrel shell
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Abstract
The utility model belongs to Medical wound-cleaning water knife field, and in particular to including pump barrel shell, the plunger in pump barrel shell and reset spring and the feed pathway of pump barrel case nose, apocenosis passage is arranged in a kind of Medical wound-cleaning water knife pressurization pump barrel；Plunger limits the rear end in pump barrel shell by locating part and can do front-rear reciprocation movement in pump barrel shell；Reset spring is between plunger top and the front inner wall of pump barrel shell and is in compressive state, and sealing ring is equipped on plunger, and the periphery of plunger front has limited step；Feed liquor check valve, drain check valve are respectively equipped in feed pathway, in apocenosis passage；When in pump barrel shell being negative pressure, drain closed check valve, feed liquor check valve, which is opened, carries out feed liquor；When in pump barrel shell being positive pressure, feed liquor closed check valve, drain check valve, which is opened, carries out drain.During being pressurizeed by the utility model to washing lotion, available continuous and high pressure washing lotion.
Description
Technical field
The utility model relates to a kind of Medical wound-cleaning water knife pressurization pump barrels, belong to Medical wound-cleaning water knife field.
Background technique
Currently, using pressurization pump barrel to cleaning solution under pressure, pressure structure mostly uses greatly following two mode:
1, it is pressurizeed by the way of electromagnetic pump to washing lotion, the washing lotion pressure that this kind of pressuring method obtains is not high, and
Eluent flow is little, and debridement traffic requirement is not achieved；
2, it is pressurizeed by the way of peristaltic pump to washing lotion, the washing lotion pressure that this kind of pressuring method obtains is not also high, and
And washing lotion pressure oscillation is bigger, is easy to keep the wound face after debridement unclean.
Utility model content
Technical problem to be solved by the utility model is: overcoming deficiency in the prior art, providing one kind can be connected
Continuous and the washing lotion of high pressure Medical wound-cleaning water knife pressurization pump barrel.
Medical wound-cleaning water knife described in the utility model pressurization pump barrel, including pump barrel shell, in pump barrel shell
Plunger and reset spring and the feed pathway of pump barrel case nose, apocenosis passage are set；Plunger is limited by locating part
The rear end (opposite side for being located at feed pathway and apocenosis passage) of pump barrel shell and the reciprocal fortune in front and back can be done in pump barrel shell
It is dynamic；Reset spring is between plunger top and the front inner wall of pump barrel shell and is in compressive state, is equipped on plunger close
Seal ring, for realizing the sealing between plunger and pump barrel outer casing inner wall, the periphery of plunger front has limited step；Feed pathway
In, feed liquor check valve, drain check valve are respectively equipped in apocenosis passage；When in pump barrel shell being negative pressure, drain check valve is closed
It closes, feed liquor check valve, which is opened, carries out feed liquor；When in pump barrel shell being positive pressure, feed liquor closed check valve, drain check valve is opened
Carry out drain.
When practical application, feed pathway needs to connect with the inlet tube being connect on washing lotion bag or bottle for handling liquid toilet or cosmetic substance, apocenosis passage
The drain pipe being connect on Medical wound-cleaning water knife is needed to connect.
Plunger in the utility model can be driven by cam mechanism driving, cam mechanism using motor.Wherein, convex
Wheel mechanism is known mechanism, is usually made of cam, rack and follower lever, and after electrical power, cam rotate and band
Dynamic follower lever does linear reciprocating motion, and then drives plunger to do linear reciprocating motion by follower lever, has guide sleeve in rack,
Guiding is provided for follower lever by guide sleeve, it is ensured that follower lever moves along a straight line always.
Now the working principle process of this pressurization pump barrel is specifically described (for convenience, by the pump for the pump barrel that pressurizes
Cylinder outer casing back is defined as left side, and pump barrel case nose is defined as right side):
After electrical power, the cam in cam mechanism is rotated, and follower lever is driven to carry out linear reciprocating motion.Work as follower lever
When moving to the side away from pump barrel outer casing back, plunger can move downward under the effect of the elastic force of reset spring, at this point, pump barrel
Negative pressure is formed in shell, feed liquor check valve is opened, and washing lotion is taken in succession from washing lotion bag or bottle for handling liquid toilet or cosmetic substance enters pump barrel enclosure cavity
In, complete the imbibition process of washing lotion；When cam, which pushes follower lever to turn right, to be moved, plunger is transported to the right under the promotion of follower lever
It is dynamic, it pressurizes to washing lotion, drain check valve is opened at this time, and pressurized washing lotion is discharged from pump barrel enclosure cavity, along drain
Pipe enters in debridement water knife, completes the discharge opeing process of washing lotion；With motor band moving cam continuous rotation, continuously quilt can be obtained
The washing lotion of pressurization, and entered in debridement water knife by apocenosis passage, drain pipe.
In the utility model, the preferred variable-frequency motor of the motor of driving cam means is by adjusting the revolving speed of variable-frequency motor
The washing lotion of corresponding variable pressure can be obtained.
Preferably, sealing ring is equipped with annular groove towards the end face of reset spring, by the way that annular groove is arranged, in washing lotion medical fluid
Under pressure effect, sealing ring can be made to be flared out, thus increase the contact surface of sealing ring and pump barrel outer casing inner wall, leakproofness
Enhancing.
Preferably, locating part is using limit annulus；The internal diameter for limiting annulus is less than the outer diameter of plunger；Limit the periphery of annulus
With external screw thread, there is internal screw thread at the aft exit of pump barrel shell, limit annulus is used with pump barrel shell and is threadedly coupled.Pass through
The locating part of the structure type can adjust the elastic force of reset spring in pump barrel enclosure cavity.
For the ease of assembly, separate structure is can be used in plunger, and specific structure is as follows:
Plunger is by plunger body and is sleeved on the compression ring of plunger body rear end and forms, and sealing ring is also sleeved on plunger sheet
On body, between compression ring and the limited step of plunger front end.After plunger uses separate structure, the structure shape of locating part
Formula can be identical as above-mentioned limit annulus, but the size for limiting annulus is corresponding with new requirement, i.e. the internal diameter of limit annulus is big
Internal diameter in compression ring and the outer diameter less than compression ring (rather than the internal diameter of above-mentioned limit annulus is less than outer diameter of plunger), it is convex in this way
The follower lever of wheel mechanism could be same by plunger body and the compression ring being sleeved in plunger body when protruding into pump barrel outer casing back
When push.
Preferably, feed pathway both ends be respectively feed liquor import, feed liquor outlet, and feed liquor import, feed liquor outlet bore
The respectively less than internal diameter of feed pathway；Feed liquor check valve includes the first spring and the first ball sealer；First ball sealer is mounted on feed liquor
Entrance has a diameter larger than the bore of feed liquor import and is less than the internal diameter of feed pathway；First spring is mounted in feed pathway,
Its both ends pushes against the first ball sealer and feed liquor outlet respectively.When in pump barrel shell being negative pressure, drain closed check valve, inlet tube
In washing lotion pressure be greater than the intracorporal pressure of pump barrel outer shell cavity, the first ball sealer and feed liquor import are detached from, and feed liquor check valve is opened,
Carry out feed liquor.
Preferably, apocenosis passage both ends be respectively drain import, drain outlet, and drain import, drain outlet bore
The respectively less than internal diameter of apocenosis passage；Drain check valve includes second spring and the second ball sealer；Second ball sealer is mounted on drain
Entrance has a diameter larger than the bore of drain import and is less than the internal diameter of apocenosis passage；Second spring is mounted in apocenosis passage,
Its both ends pushes against the second ball sealer and drain outlet respectively.When in pump barrel shell being positive pressure, feed liquor closed check valve, outside pump barrel
Washing lotion pushes the second ball sealer in shell cavity, and the first ball sealer and drain import are detached from, and drain check valve is opened, and drain is carried out.
Preferably, the inlet tube connecting with washing lotion bag or bottle for handling liquid toilet or cosmetic substance is connected by straight-through quick connector one with feed pathway,
The quick-make of feed pathway in inlet tube and pressurization pump barrel is realized by leading directly to quick connector one；It is connect with Medical wound-cleaning water knife
Drain pipe connected by straight-through quick connector two with apocenosis passage, pass through straight-through quick connector two and realize drain pipe and force (forcing) pump
The quick-make of apocenosis passage in cylinder.
Possessed beneficial effect is the utility model compared with prior art:
1, the utility model smart structural design can obtain during application pressurization pump barrel pressurizes to washing lotion
To continuous and high pressure washing lotion.
2, linear reciprocating motion is done by using cam mechanism driving plunger, and dynamic by variable-frequency motor driving cam means
Make, final high pressure washing lotion pressure adjustable can be made；
3, pressurization pump barrel described in the utility model can be made into disposable product, after every an example sufferer use, be both needed to
By the centralized and unified destruction of environmental requirement, the mutual cross-infection of sufferer is avoided.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model feed liquor process；First spring
Fig. 2 is the structural schematic diagram of the utility model discharge opeing process.
In figure: 1, pump barrel shell；2, locating part；3, plunger body；4, compression ring；5, sealing ring；6, limited step；7, multiple
Position spring；8, the first spring；9, the first ball sealer；10, quick connector one is led directly to；11, inlet tube；12, drain pipe；13, it leads directly to
Quick connector two；14, second spring；15, the second ball sealer；16, annular groove；17, follower lever；18, bottle for handling liquid toilet or cosmetic substance.
Specific embodiment
The embodiments of the present invention are described further with reference to the accompanying drawing:
As shown in Figure 1, 2, Medical wound-cleaning water knife pressurization pump barrel described in the utility model includes pump barrel shell 1, is located at
Plunger and reset spring 7 in pump barrel shell 1 and the feed pathway of 1 front end of pump barrel shell, apocenosis passage are set；Plunger is logical
The limit of locating part 2 is crossed in the rear end (opposite side for being located at feed pathway and apocenosis passage) of pump barrel shell 1, in cam mechanism
Front-rear reciprocation movement can be done under the drive of follower lever 17 in pump barrel shell 1, the cam mechanism in the present embodiment uses frequency conversion
Motor is driven；Reset spring 7 is between plunger top and the front inner wall of pump barrel shell 1 and is in compressive state.Into
Feed liquor check valve, drain check valve are respectively equipped in liquid channel, in apocenosis passage；When in pump barrel shell 1 being negative pressure, drain list
It is closed to valve, feed liquor check valve, which is opened, carries out feed liquor；When in pump barrel shell 1 being positive pressure, feed liquor closed check valve, drain is unidirectional
Valve, which is opened, carries out drain.
When practical application, the inlet tube 11 connecting with bottle for handling liquid toilet or cosmetic substance 18 (being also possible to washing lotion bag) is by leading directly to quick connector one
10 connect with feed pathway, and the fast quick access of inlet tube 11 with feed pathway in the pump barrel that pressurizes is realized by leading directly to quick connector 1
It is logical；The drain pipe 12 connecting with Medical wound-cleaning water knife is connected by straight-through quick connector 2 13 with apocenosis passage, by straight-through fast
Connection-peg 2 13 realizes the quick-make of apocenosis passage in drain pipe 12 and pressurization pump barrel.
In the present embodiment:
Plunger is by plunger body 3 and is sleeved on the compression ring 4 of 3 rear end of plunger body and forms, and is also set in plunger body 3
There is sealing ring 5, sealing ring 5 is located between compression ring 4 and the limited step 6 of plunger front end, by this structure type convenient for close
The assembly of seal ring 5.Sealing ring 5 is equipped with annular groove 16 towards the end face of reset spring 7, by the way that annular groove 16 is arranged, in washing lotion
Under medicine action of hydraulic force, sealing ring 5 can be made to be flared out, so that the contact surface of sealing ring 5 and 1 inner wall of pump barrel shell be made to increase
Add, leakproofness enhancing.
Using limit annulus, the internal diameter for limiting annulus is greater than the internal diameter of compression ring 4 and is less than the outer of compression ring 4 locating part 2
Diameter, the periphery for limiting annulus have external screw thread, have internal screw thread at the aft exit of pump barrel shell 1, limit outside annulus and pump barrel
Shell 1 is using threaded connection.In this way, on the one hand playing limit effect to plunger, the follower lever of cam mechanism on the other hand can be made
17 by plunger body 3 and the compression ring being sleeved in plunger body 34 while pushing when protruding into pump barrel 1 rear end of shell.
Feed pathway both ends be respectively feed liquor import, feed liquor outlet, and feed liquor import, feed liquor outlet bore be respectively less than into
The internal diameter in liquid channel；Feed liquor check valve includes the first spring 8 and the first ball sealer 9；First ball sealer 9 uses steel ball, installation
In feed liquor entrance, has a diameter larger than the bore of feed liquor import and be less than the internal diameter of feed pathway；First spring 8 is mounted on feed liquor
In channel, both ends push against the first ball sealer 9 and feed liquor outlet respectively.When in pump barrel shell 1 being negative pressure, drain check valve is closed
It closes, the washing lotion pressure in inlet tube 11 is greater than the intracorporal pressure of 1 chamber of pump barrel shell, and the first ball sealer 9 is detached from feed liquor import, into
Liquid check valve is opened, and feed liquor is carried out.
Apocenosis passage both ends are respectively drain import, drain outlet, and the bore of drain import, drain outlet is respectively less than and arranges
The internal diameter in liquid channel；Drain check valve includes second spring 14 and the second ball sealer 15；Second ball sealer 15 also uses steel ball,
It is mounted on drain entrance, have a diameter larger than the bore of drain import and is less than the internal diameter of apocenosis passage；Second spring 14 is installed
In apocenosis passage, both ends push against the second ball sealer 15 and drain outlet respectively.When in pump barrel shell 1 being positive pressure, feed liquor
Closed check valve, washing lotion pushes the second ball sealer 15 in 1 cavity of pump barrel shell, and the first ball sealer 9 is detached from drain import, drain
Check valve is opened, and drain is carried out.
After electrical power, the cam in cam mechanism is rotated, and follower lever 17 is driven to carry out linear reciprocating motion.Now to this
The working principle process of pressurization pump barrel, which is specifically described, (for convenience, 1 rear end of pump barrel shell for the pump barrel that pressurizes to be defined
For left side, 1 front end of pump barrel shell is defined as right side):
As shown in Figure 1, plunger can be in reset spring 7 when moving when follower lever 17 to the side away from 1 rear end of pump barrel shell
Elastic force effect under move downward, at this point, forming negative pressure in pump barrel shell 1, feed liquor check valve is opened, and washing lotion is from 18 institute of bottle for handling liquid toilet or cosmetic substance
It taps into liquid pipe 11 to enter in 1 cavity of pump barrel shell, completes the imbibition process of washing lotion；
As shown in Fig. 2, plunger is transported to the right under the promotion of follower lever 17 when cam pushes follower lever 17 to turn right and moves
It is dynamic, it pressurizes to washing lotion, drain check valve is opened at this time, and pressurized washing lotion is discharged from 1 cavity of pump barrel shell, along drain
Pipe 12 enters in debridement water knife, completes the discharge opeing process of washing lotion.
With motor band moving cam continuous rotation, the washing lotion that can be continuously pressurized, and pass through apocenosis passage, row
Liquid pipe 12 enters in debridement water knife.
In practical application, the washing lotion of corresponding variable pressure can be obtained by adjusting the revolving speed of variable-frequency motor.
Except above-mentioned points, pressurization pump barrel described in the utility model can be made into disposable product, terminate in every an example sufferer use
Afterwards, it is both needed to avoid the mutual cross-infection of sufferer by the centralized and unified destruction of environmental requirement.
Claims (10)
1. a kind of Medical wound-cleaning water knife pressurization pump barrel, it is characterised in that: including pump barrel shell (1), be located in pump barrel shell (1)
Plunger and reset spring (7) and feed pathway in pump barrel shell (1) front end, apocenosis passage are set；Plunger passes through limit
Part (2) limits the rear end in pump barrel shell (1) and can do front-rear reciprocation movement in pump barrel shell (1)；Reset spring (7) position
Between plunger top and the front inner wall of pump barrel shell (1) and it is in compressive state, is equipped with sealing ring (5), uses on plunger
In realizing the sealing between plunger and pump barrel shell (1) inner wall, the periphery of plunger front has limited step (6)；Feed pathway
In, feed liquor check valve, drain check valve are respectively equipped in apocenosis passage；When in pump barrel shell (1) being negative pressure, drain check valve
It closes, feed liquor check valve, which is opened, carries out feed liquor；When in pump barrel shell (1) being positive pressure, feed liquor closed check valve, drain check valve
It opens and carries out drain.
2. Medical wound-cleaning water knife according to claim 1 pressurization pump barrel, it is characterised in that: sealing ring (5) direction resets
The end face of spring (7) is equipped with annular groove (16).
3. Medical wound-cleaning water knife according to claim 1 or 2 pressurization pump barrel, it is characterised in that: locating part (2) is using limit
Circle of position ring；The internal diameter for limiting annulus is less than the outer diameter of plunger；The periphery for limiting annulus has external screw thread, after pump barrel shell (1)
Portion exit has internal screw thread, and limit annulus is used with pump barrel shell (1) and is threadedly coupled.
4. Medical wound-cleaning water knife according to claim 1 or 2 pressurization pump barrel, it is characterised in that: plunger is using seperated knot
Structure is made of plunger body (3) and the compression ring (4) for being sleeved on plunger body (3) rear end, and sealing ring (5) is also sleeved on
In plunger body (3), between compression ring (4) and the limited step (6) of plunger front end.
5. Medical wound-cleaning water knife according to claim 4 pressurization pump barrel, it is characterised in that: locating part (2) is using limit
Annulus；Limit the internal diameter internal diameter for being greater than compression ring (4) of annulus and the outer diameter for being less than compression ring (4)；Limit the periphery tool of annulus
There is external screw thread, there is internal screw thread at the aft exit of pump barrel shell (1), limit annulus is used with pump barrel shell (1) and is threadedly coupled.
6. Medical wound-cleaning water knife according to claim 1 pressurization pump barrel, it is characterised in that: feed pathway both ends are respectively
Feed liquor import, feed liquor outlet, and the bore of feed liquor import, feed liquor outlet is respectively less than the internal diameter of feed pathway；Feed liquor check valve packet
Include the first spring (8) and the first ball sealer (9)；First ball sealer (9) is mounted on feed liquor entrance, has a diameter larger than feed liquor import
Bore and be less than feed pathway internal diameter；First spring (8) is mounted in feed pathway, and both ends push against the first closure respectively
Ball (9) and feed liquor outlet.
7. Medical wound-cleaning water knife according to claim 1 pressurization pump barrel, it is characterised in that: apocenosis passage both ends are respectively
Drain import, drain outlet, and the bore of drain import, drain outlet is respectively less than the internal diameter of apocenosis passage；Drain check valve packet
Include second spring (14) and the second ball sealer (15)；Second ball sealer (15) is mounted on drain entrance, has a diameter larger than drain
The bore of import and the internal diameter for being less than apocenosis passage；Second spring (14) is mounted in apocenosis passage, and both ends push against respectively
Two ball sealers (15) and drain outlet.
8. Medical wound-cleaning water knife according to claim 1 pressurization pump barrel, it is characterised in that: work of the plunger in cam mechanism
With lower realization front-rear reciprocation movement, cam mechanism is driven using motor.
9. Medical wound-cleaning water knife according to claim 8 pressurization pump barrel, it is characterised in that: motor uses variable-frequency motor.
10. Medical wound-cleaning water knife according to claim 1 pressurization pump barrel, it is characterised in that: with washing lotion bag or bottle for handling liquid toilet or cosmetic substance
(18) inlet tube (11) connected is connected by straight-through quick connector one (10) and feed pathway；It is connect with Medical wound-cleaning water knife
Drain pipe (12) is connected by straight-through quick connector two (13) and apocenosis passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821906370.1U CN209164066U (en) | 2018-11-19 | 2018-11-19 | Medical wound-cleaning water knife pressurization pump barrel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821906370.1U CN209164066U (en) | 2018-11-19 | 2018-11-19 | Medical wound-cleaning water knife pressurization pump barrel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209164066U true CN209164066U (en) | 2019-07-26 |
Family
ID=67338943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821906370.1U Active CN209164066U (en) | 2018-11-19 | 2018-11-19 | Medical wound-cleaning water knife pressurization pump barrel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209164066U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110925216A (en) * | 2019-12-05 | 2020-03-27 | 绵阳美科电子设备有限责任公司 | Medical high-pressure jet screw pump |
-
2018
- 2018-11-19 CN CN201821906370.1U patent/CN209164066U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110925216A (en) * | 2019-12-05 | 2020-03-27 | 绵阳美科电子设备有限责任公司 | Medical high-pressure jet screw pump |
| CN110925216B (en) * | 2019-12-05 | 2020-08-11 | 绵阳美科电子设备有限责任公司 | Medical high-pressure jet screw pump |
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