CN106438329B - Compression pump - Google Patents
Compression pump Download PDFInfo
- Publication number
- CN106438329B CN106438329B CN201610914612.0A CN201610914612A CN106438329B CN 106438329 B CN106438329 B CN 106438329B CN 201610914612 A CN201610914612 A CN 201610914612A CN 106438329 B CN106438329 B CN 106438329B
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- Prior art keywords
- push rod
- screw rod
- rod
- pushing hands
- compression pump
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M29/00—Dilators with or without means for introducing media, e.g. remedies
- A61M29/02—Dilators made of swellable material
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- General Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Surgery (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Vascular Medicine (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Reciprocating Pumps (AREA)
Abstract
The invention provides a kind of compression pump.Compression pump includes injecting mechanism, the pump housing.The pump housing includes cavity and the spiral head located at cavity one end.Injecting mechanism and pump housing slidable connection.Injecting mechanism includes hand handle, push rod, screw rod and connecting rod.Hand is including promotion part and pushing hands portion.Push rod is provided with handle near the one end in pushing hands portion.Screw rod is setting up and down with push rod.Screw rod is contained in promotion part, and is oppositely arranged with fluting.Push rod is provided with projection, and screw rod opens up fluted, and projection can be contained in groove, and the side of screw rod dorsad push rod is provided with external screw thread.Connecting rod two ends are rotatably connected with push rod and screw rod respectively.Push rod axially movable when, link rotatable makes projection skid off groove, and the external screw thread of screw rod is meshed with the internal thread of spiral head, and connecting rod is rotated backward, and projection is contained in groove, and the external screw thread of screw rod departs from the internal thread of spiral head.
Description
Technical field
The present invention relates to medical instruments field, particularly a kind of compression pump.
Background technology
At present, referred to as " compression pump ", compression pump is in operation is intervened, to be noted in foley's tube to the full device of balloon pressure
Enter or extract physiological saline and so on liquid medium, the sacculus of foley's tube is realized pressuring expansion, pressurize, release, take out negative pressure contraction
The apparatus of function.
Current pressurising pump on the market, push rod needs to be interlocked by manual handle in pressure process；Or rely on spring
Switch control pressurization, pressurize.Snap switch device once fail, then cannot carry out pressure release and take out negative-pressure operation, push rod advance or
Retraction operation structure is not safe enough, operation risk increase.If also, swing handle, without interlocking well, push rod can be produced
Feeding, atmospheric pressure value can fluctuate, if dealt with improperly, myocardial ischemia, miocardial infarction or peripheral artery ambolism easily occur
Deng acute complicationses, so as to be easy to patient death occur, increase operation risk.Therefore, traditional compression pump safety coefficient compared with
It is low, it is unfavorable for Clinical practice.
The content of the invention
It is higher it is an object of the invention to provide a kind of safety coefficient, it is easy to the compression pump of Clinical practice.
A kind of compression pump, it is characterised in that including：
The pump housing, including for the cavity for housing liquid and the spiral head of the one end for being sheathed on the cavity, the spiral head
It is provided with internal thread；
Structure is injected, including：
Hand handle, including hollow columnar promotion part and the pushing hands portion of the one end positioned at the promotion part, the promotion part can
Slip is contained in the cavity, and the promotion part offers fluting vertically；
Push rod, is contained in the promotion part, and the push rod is provided with handle near the one end in the pushing hands portion；
The screw rod setting up and down with the push rod, the screw rod is contained in the promotion part, and relative with the fluting
Set, the push rod is provided with projection towards the side of the screw rod, and the screw rod offers recessed towards the side of the push rod
Groove, the projection can be contained in the groove, and the side of the screw rod dorsad push rod is provided with external screw thread；
Connecting rod, its two ends are rotatably connected with the push rod and the screw rod respectively, the push rod axially movable when, institute
Link rotatable is stated, the projection is skidded off the groove, the external screw thread of the screw rod is meshed with the internal thread of the spiral head,
The connecting rod is rotated backward, and the projection is contained in the groove, the interior spiral shell of the external screw thread of the screw rod and the spiral head
Line departs from.
Wherein in an implementation method, the cavity is threadedly coupled with the spiral head, the spiral head and the cavity
Between be provided with glue-line, the glue-line bonds the spiral head and the cavity.
Wherein in an implementation method, the connecting rod is multiple.
Wherein in an implementation method, the push rod is provided with multiple projections, and the screw rod offers multiple described recessed
Groove, it is described raised to be correspondingly arranged with the groove.
Wherein in an implementation method, the lateral wall of the hand handle is provided with spacing preiection near the side in the pushing hands portion,
The spacing preiection is abutted against with the lateral wall of the pump housing.
Wherein in an implementation method, the push rod is provided with the first inclined-plane, the hand away from one end end face of the handle
The madial wall of the one end away from the pushing hands portion is provided with boss, the boss is provided with the second inclined-plane, first inclined-plane and institute
The second inclined-plane is stated to abut against.
Wherein in an implementation method, the boss is two, and described two boss are oppositely arranged and first inclined-plane
Both sides.
Wherein in an implementation method, also including piston, the lateral wall of the hand handle sets away from the side in the pushing hands portion
There is snap fit, the piston is provided with draw-in groove, and the snap fit is contained in the draw-in groove, the hand handle is engaged company with the piston
Connect.
Wherein in an implementation method, the pushing hands portion is oppositely arranged with the handle, the handle and the pushing hands portion
Between abut flexible part, the elastic component is flexible to drive the pushing hands portion to be relatively distant from or be close to the handle.
Wherein in an implementation method, the elastic component is spring, and the pushing hands portion of the hand handle is provided with limited post, the bullet
Spring is sheathed on the limited post.
In above-mentioned compression pump, the handle of push rod and the pushing hands portion of hand handle are held by hand, push rod is subject to power edge backward
Move axially backward.The groove protruded out on screw rod on push rod, while connecting rod swings to the left, screw rod falls to inside contracting, and with
The internal thread of spiral head departs from, and then hand is enforced and realizes significantly moving for hand handle, and pressurising is carried out to sacculus, realizes pressure
Pump Plenum Process.When correct position is reached, be relatively distant from the handle of push rod and the pushing hands portion of hand handle, make the raised of push rod with
The groove of screw rod departs from, and screw rod is moved right, and connecting rod swings to the right, and screw rod rises, and is meshed with the internal thread of spiral head.
Rotary handle, is coordinated by the screw thread between screw rod and spiral head, and the pump housing is pressurized, and when pressure reaches certain value, is stopped
Spin-ended turn, keep this pressure value for a period of time, realize pressure maintaining period.
In above-mentioned compression pump, connecting rod machine driving is passed through by push rod and screw rod, is connected, make handle relative with pushing hands portion remote
From with it is relatively close, screw rod and the pump housing can be made to realize engaging and departing from.Mechanical engagement between push rod, screw rod and connecting rod is closed
System, it is ensured that the stably drive connection between push rod and screw rod.Even if the elastic component of above-mentioned compression pump is damaged, still can be with
Push rod or screw rod are manually promoted, makes still keep drive connection between push rod and screw rod, release can be carried out, negative pressure is taken out
Operation, improve the safety coefficient of above-mentioned compression pump, reduce operation risk.
Also, in release, taking out the negative pressure course of work, one hand holds handle and pushing hands portion, compression elastic piece, make screw rod with
The internal thread of spiral head is disengaged from, and injecting structure can be with free movement, you can completes the release of compression pump, take out negative pressure work.
Singlehanded release handle and pushing hands portion, the effect of the elastic-restoring force of elastic component, screw rod are meshed with the internal thread of spiral head.Rotation
Hand handle, the screw thread between screw rod and the pump housing coordinates, and pressurising is carried out to the pump housing.Therefore above-mentioned compression pump is relative to conventional pressure pump,
In release, the course of work for taking out negative pressure, one-handed performance can be used, improve convenience.
Brief description of the drawings
Fig. 1 is compression pump pressurising, the structural representation of depressurization phase of present embodiment.
Fig. 2 is the explosive view of the compression pump according to Fig. 1.
Fig. 3 is the sectional view of the compression pump according to Fig. 1.
Fig. 4 is the hand of the compression pump according to Fig. 1 the assembling schematic diagram with piston.
Fig. 5 is the sectional view of the packing state of the compression pump according to Fig. 1.
Fig. 6 is the partial enlarged drawing of the part A according to Fig. 5.
Description of reference numerals is as follows：10th, compression pump；11st, the pump housing；111st, cavity；112nd, liquid outlet；113rd, pressure gauge hole；
114th, spiral head；115th, internal thread；12nd, structure is injected；13rd, hand handle；131st, promotion part；132nd, pushing hands portion；133rd, snap fit；134、
Spacing preiection；135th, boss；136th, the second inclined-plane；137th, slot；138th, limited post；14th, push rod；141st, handle；142nd, it is raised；
143rd, the first inclined-plane；15th, screw rod；152nd, groove；153rd, external screw thread；155th, the 3rd inclined-plane；157th, relief portion；16th, connecting rod；17、
Piston；171st, draw-in groove；18th, elastic component.
Specific embodiment
Embodying feature of present invention will describe in detail in the following description with the exemplary embodiment of advantage.It should be understood that
The present invention can have various changes in different implementation methods, and it is neither departed from the scope of the present invention, and theory therein
Bright and diagram is treated as purposes of discussion in itself, and is not used to the limitation present invention.
Fig. 1 and Fig. 2 is referred to, the present invention provides a kind of compression pump 10 to be included the pump housing 11 and inject structure 12.
The pump housing 11 includes the spiral head 114 for the cavity 111 for housing liquid and the one end for being sheathed on cavity 111.Cavity
111 front end is provided with liquid outlet 112, and the other end of cavity 111 is provided with internal thread.Cavity 111 sets near one end of liquid outlet 112
Have a pressure gauge hole 113, pressure gauge hole 113 is used to be connected with pressure gauge so that in gauge measurement cavity 111 liquid pressure.
Spiral head 114 is connected with the threaded one end of cavity 111.Spiral head 114 is provided with internal thread 115.
Specifically in the present embodiment, cavity 111 is threadedly coupled with spiral head 114, between spiral head 114 and cavity 111
It is provided with glue-line（It is not shown）, glue-line bonding spiral head 114 and cavity 111.It is appreciated that glue-line is UV glue-lines.
Structure 12 is injected including hand 13, push rod 14, screw rod 15 and connecting rod 16.Push rod 14 is overlapped with screw rod 15, and
It is rotatably connected by connecting rod 16.The outside that hand is coated on push rod 14, screw rod 15 and connecting rod 16 13.
Hand is T-shaped hollow structure 13.The promotion part 131 that hand includes hollow columnar 13 and positioned at promotion part 131 one
The pushing hands portion 132 at end.Promotion part 131 and the T-shaped setting in pushing hands portion 132.Promotion part 131 is flat part, passes in and out cavity 111.Please
Refering to Fig. 3, promotion part 131 offers fluting 137 vertically.Pushing hands portion 132 holds for operating personnel's hand.
Fig. 2 is referred to, specifically in the present embodiment, compression pump 10 also includes piston 17.Piston 17 is located at promotion part 131
Away from the one end in pushing hands portion 132.13 lateral wall is provided with snap fit 133 by hand away from the side in pushing hands portion 132, and piston 17 is provided with card
Groove 171, snap fit 133 is contained in draw-in groove 171, hand is connected together with piston 17 13.
Please refer to Fig. 3,13 lateral wall is provided with spacing preiection 134, limit convex by hand near the side in pushing hands portion 132
134 are played to be abutted against with the lateral wall of the pump housing 11.When hand is extend into cavity 111 13, spacing preiection 134 can be limited
Hand 13 push-in distance, it is to avoid hand shifts bottom onto 13, and piston 17 blocks pressure gauge hole 113.
Pushing hands portion 132 is provided with elastic component 18.Elastic component 18 can be elastic rubber tube, spring and shell fragment etc..Specifically in this reality
Apply in mode, elastic component 18 is spring.Please refer to Fig. 4,13 pushing hands portion 132 is provided with spacing by pushing hands portion 132 near hand
Post 138, spring housing is on limited post 138.
Push rod 14 is contained in promotion part 131.Push rod 14 is provided with handle 141 near the one end in pushing hands portion 132.Handle 141
It is a square frame-shaped structure.Handle 141 is sheathed in pushing hands portion 132, and handle 141 being capable of relative motion with pushing hands portion 132.Elasticity
The two ends of part 18 are connected between handle 141 and pushing hands portion 132, and elastic component 18 is flexible to drive push rod 14 flexible along promotion part 131.
As shown in figure 1, when tight handle 141 is held with pushing hands portion 132, the extruding elasticity close to each other with pushing hands portion 132 of handle 141
Part 18, shrinks elastic component 18.As shown in figure 5, after loosing one's grip, elastic component 18 recovers elastic deformation, handle 141 and pushing hands portion
132 are relatively distant from.
Fig. 6 is referred to, screw rod 15 is setting up and down with push rod 14.Screw rod 15 is contained in promotion part 131, and and promotion part
131 fluting is oppositely arranged.Push rod 14 is provided with raised 142 towards the side of screw rod 15, and screw rod 15 is towards the side of push rod 14
Groove 152 is provided with, raised 142 can be contained in groove 152.That is, raised 142 located at the upper surface of push rod 14, and groove 152 is opened up
In the lower surface of screw rod 15.Specifically, push rod 14 is provided with multiple raised 142, and screw rod 15 offers multiple grooves 152, raised 142
It is correspondingly arranged with groove 152.Also, multiple grooves 152 are uniformly distributed on screw rod 15, multiple raised 142 correspondences are distributed in and push away
On bar 14.Ensure uniform force between screw rod 15 and push rod 14.The side of the dorsad push rod 14 of screw rod 15 is provided with external screw thread 153.
External screw thread 153 is used to be screwed togather with the internal thread 115 of spiral head 114, to realize threaded connection.On being due to screw rod 15 and push rod 14
Lower setting, when raised 142 are contained in groove 152, the height reduction of screw rod 15；When raised 142 outside groove 152
When, raised 142 rise screw rod 15, then the height of screw rod 15 is raised.By the height of adjusting screw rod 15, so as to change spiral shell
The meshing relation of bar 15 and spiral head 114.
Its two ends of connecting rod 16 are rotatably connected with push rod 14 and screw rod 15 respectively.Specifically, the side of screw rod 15 and push rod 14
Rotating shaft is equipped with wall（Figure is not marked）, the two ends of connecting rod 16 offer axis hole（Figure is not marked）, then connecting rod 16 is by rotating shaft and screw rod
15 and push rod 14 realize be rotatably connected.Also, screw rod 15 and push rod 14 offer relief portion at the position for setting rotating shaft
157, the two ends for avoiding connecting rod 16.Connecting rod 16 is rotated, and its two ends will not interfere with screw rod 15 and push rod 14.Also,
Connecting rod 16 is multiple.Multiple connecting rods 16 are uniformly distributed.Specifically in the present embodiment, connecting rod 16 is three.
Compression elastic piece 18, connecting rod 16 is rotated backward, and raised 142 are contained in groove 152, the external screw thread 153 of screw rod 15
Internal thread 115 with spiral head 114 departs from.Elastic component 18 recover deformation, push rod 14 axially movable when, connecting rod 16 is rotated, and is made
Raised 142 skid off groove 152, and the external screw thread 153 of screw rod 15 is meshed with the internal thread 115 of spiral head 114.
It is appreciated that elastic component 18 can be omitted, driving handle 141 or pushing hands portion 132 can be manually driven, realized
The motion vertically of push rod 14, you can after the completion of continue drive connection.Improve the security for using of above-mentioned compression pump 10.
Fig. 6 is referred to, push rod 14 is provided with the first inclined-plane 143 away from one end end face of handle 141.Hand is 13 away from pushing hands portion
The madial wall of 132 one end is provided with boss 135.Boss 135 is provided with the second inclined-plane 136, the first inclined-plane 143 and the second inclined-plane 136
Abut against.Also, the first inclined-plane 143 and the following table that the angle of the upper surface of push rod 14 is acute angle, the first inclined-plane 143 and push rod 14
The angle in face is obtuse angle.Corresponding, the second inclined-plane 136 is parallel to each other with the first inclined-plane 143.Then when push rod 14 with hand 13 phases
When to motion, because push rod 14 is contacted by the first inclined-plane 143 13 with hand with the second inclined-plane 136, the first inclined-plane 143 and
The relatively oblique motion in second inclined-plane 136.That is, when elastic component 18 recovers elastic deformation, push rod 14 and hand 13 be relatively distant from when
Wait, push rod 14 is moved obliquely along the second inclined-plane 136, then the position of push rod 14 raises.Push rod 14 is raised, and drives the position of screw rod 15
Put and also increase, it is ensured that the external screw thread 153 of screw rod 15 can be engaged with the internal thread 115 of spiral head 114.Similarly, compression is worked as
Elastic component 18, make push rod 14 and hand 13 it is relatively close when, push rod 14 is moved obliquely along the second inclined-plane 136, then push rod
14 position reduces.Push rod 14 is reduced, and drives the position of screw rod 15 also to decrease, it is ensured that the external screw thread 153 of screw rod 15 can
Internal thread 115 with spiral head 114 departs from.
Equally, the 3rd inclined-plane 155, the 3rd inclined-plane 155 and second are provided with away from one end end face in pushing hands portion 132 in screw rod 15
Inclined-plane 136 is abutted against.3rd inclined-plane 155 is parallel with the first inclined-plane 143, then screw rod 15 can also be along the oblique fortune in the second inclined-plane 136
It is dynamic, screw rod 15 is smoothly lifted.
Specific boss 135 is two in the present embodiment, and two boss 135 are oppositely arranged two with the first inclined-plane 143
Side.The both sides of two the second inclined-planes 136 of boss 135 respectively with the first inclined-plane 143 abut against, make push rod 14 and boss 135 it
Between stress balance, it is ensured that push rod 14 can be moved smoothly along the second inclined-plane 136.
Fig. 1 is referred to, in above-mentioned compression pump 10, the pushing hands portion that the handle 141 and hand of push rod 14 are 13 is held by hand
132, push rod 14 is subject to power backward to move axially rearward, and handle 141 is close to each other with pushing hands portion 132, presses elastic component 18
Contracting.Raised 142 grooves 152 entered on screw rod 15 on push rod 14, while connecting rod 16 swings to the left, screw rod 15 falls to inside contracting,
And depart from the internal thread 115 of spiral head 114, then hand is enforced and realizes that hand is significantly moved 13, and the pump housing 11 is entered
Row pressurising.When correct position is reached, hand unclamps.Fig. 5 is referred to, the effect of the elastic-restoring force of elastic component 18 makes handle 141
It is located remotely from each other with pushing hands portion 132, raised the 142 of push rod 14 departs from the groove 152 of screw rod 15, screw rod 15 is moved right, even
Bar 16 swings to the right, and screw rod 15 rises, and is meshed with the internal thread 115 of cavity 111.Rotary handle 13, screw rod 15 and the pump housing
Screw thread between 11 coordinates, and pressurising is carried out to the pump housing 11.
The push rod 14 of above-mentioned compression pump 10 is mechanically connected with screw rod 15 by connecting rod 16, then ensure push rod 14 and screw rod 15 it
Between drive connection.If elastic component 18 is damaged, push rod 14 or screw rod 15 are manually promoted, make push rod 14 and screw rod 15
Between can still keep drive connection, still can carry out release, take out the operation of negative pressure, improve the safety of above-mentioned compression pump 10
Coefficient, reduces operation risk.
Also, in release, taking out the negative pressure course of work, one hand holds handle 141 and pushing hands portion 132, compression elastic piece 18,
Screw rod 15 is set to depart from the internal thread 115 of spiral head 114, injecting structure 12 can be with free movement, you can to complete compression pump 10
Release, take out negative pressure work.Singlehanded release handle 141 and pushing hands portion 132, the effect of the elastic-restoring force of elastic component 18, screw rod 15
External screw thread with the pump housing 11 is meshed.Rotary handle 13, the screw thread between screw rod 15 and the pump housing 11 coordinates, and the pump housing 11 is filled
Pressure.Therefore above-mentioned compression pump 10 in release, the course of work for taking out negative pressure, can be used one-handed performance relative to conventional pressure pump,
Improve the convenience of operation.
Also, 13 mating reaction of the second inclined-plane 136 is helped to make spiral shell with hand by the first inclined-plane 143 of push rod 14
The external screw thread 153 of bar 15 is realized engaging or departing from the internal thread 115 of spiral head 114, it is ensured that using for above-mentioned compression pump 10 is imitated
Fruit and accuracy.
Although describing the present invention with reference to several exemplary embodiments, it is to be understood that, term used be explanation and
Exemplary and nonrestrictive term.Due to the present invention can be embodied in a variety of forms without deviating from invention spirit or
Essence, it should therefore be appreciated that above-mentioned implementation method is not limited to any foregoing details, and should be limited in appended claims
Widely explains in spirit and scope, thus whole changes for falling into claim or its equivalent scope and remodeling all should be with
Attached claim is covered.
Claims (10)
1. a kind of compression pump, it is characterised in that including：
The pump housing, including for the cavity for housing liquid and the spiral head of the one end for being sheathed on the cavity, the spiral head is provided with
Internal thread；
Structure is injected, including：
Hand handle, including hollow columnar promotion part and the pushing hands portion of the one end positioned at the promotion part, the promotion part is slidably
It is contained in the cavity, the promotion part offers fluting vertically；
Push rod, is contained in the promotion part, and the push rod is provided with handle near the one end in the pushing hands portion；
The screw rod setting up and down with the push rod, the screw rod is contained in the promotion part, and is oppositely arranged with the fluting,
The push rod is provided with projection towards the side of the screw rod, and the screw rod opens up fluted towards the side of the push rod, institute
Stating projection can be contained in the groove, and the side of the screw rod dorsad push rod is provided with external screw thread；
Connecting rod, its two ends are rotatably connected with the push rod and the screw rod respectively, the push rod axially movable when, the company
Bar is rotated, and the projection is skidded off the groove, and the external screw thread of the screw rod is meshed with the internal thread of the spiral head, described
Connecting rod is rotated backward, and the projection is contained in the groove, and the external screw thread of the screw rod takes off with the internal thread of the spiral head
From.
2. compression pump according to claim 1, it is characterised in that the cavity is threadedly coupled with the spiral head, described
Glue-line is provided between spiral head and the cavity, the glue-line bonds the spiral head and the cavity.
3. compression pump according to claim 1, it is characterised in that the connecting rod is multiple.
4. compression pump according to claim 1, it is characterised in that the push rod is provided with multiple projections, the screw rod
Offer multiple grooves, it is described raised to be correspondingly arranged with the groove.
5. compression pump according to claim 1, it is characterised in that the lateral wall of the hand handle near the pushing hands portion one
Side is provided with spacing preiection, and the spacing preiection is abutted against with the lateral wall of the pump housing.
6. compression pump according to claim 1, it is characterised in that the push rod is provided with away from one end end face of the handle
The madial wall of the one end away from the pushing hands portion is provided with boss by the first inclined-plane, the hand, and the boss is provided with the second inclined-plane, institute
The first inclined-plane is stated to be abutted against with second inclined-plane.
7. compression pump according to claim 6, it is characterised in that the boss is two, two boss are relative to be set
It is placed in the both sides on first inclined-plane.
8. compression pump according to claim 1, it is characterised in that also including piston, the lateral wall of the hand handle is away from institute
The side for stating pushing hands portion is provided with snap fit, and the piston is provided with draw-in groove, and the snap fit is contained in the draw-in groove, make the hand with
The piston is connected together.
9. compression pump according to claim 1, it is characterised in that the pushing hands portion is oppositely arranged with the handle, described
Flexible part is abutted between handle and the pushing hands portion, the elastic component is flexible to drive the pushing hands portion relative with the handle remote
From or be close to.
10. compression pump according to claim 9, it is characterised in that the elastic component is spring, the pushing hands portion of the hand handle
Limited post is provided with, the spring housing is on the limited post.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610914612.0A CN106438329B (en) | 2016-10-20 | 2016-10-20 | Compression pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610914612.0A CN106438329B (en) | 2016-10-20 | 2016-10-20 | Compression pump |
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| Publication Number | Publication Date |
|---|---|
| CN106438329A CN106438329A (en) | 2017-02-22 |
| CN106438329B true CN106438329B (en) | 2017-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610914612.0A Active CN106438329B (en) | 2016-10-20 | 2016-10-20 | Compression pump |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108742418B (en) * | 2018-06-01 | 2023-07-28 | 佛山市顺德区美的洗涤电器制造有限公司 | Household appliance housing assembly and dishwasher |
| US11980729B2 (en) * | 2020-12-18 | 2024-05-14 | Atrion Medical Products, Inc. | Actuating mechanism for fluid displacement and pressurizing devices |
| CN114344680B (en) * | 2021-12-26 | 2023-11-10 | 湖南博润医疗器械有限公司 | Balloon expansion pressure pump |
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| CN206092377U (en) * | 2016-10-20 | 2017-04-12 | 深圳市业聚实业有限公司 | Force pump |
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