CN209500441U - A kind of medical delicate flow adjuster - Google Patents
A kind of medical delicate flow adjuster Download PDFInfo
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- CN209500441U CN209500441U CN201822012502.2U CN201822012502U CN209500441U CN 209500441 U CN209500441 U CN 209500441U CN 201822012502 U CN201822012502 U CN 201822012502U CN 209500441 U CN209500441 U CN 209500441U
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- rotation core
- spiral cover
- pedestal
- rotation
- medical
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Abstract
The utility model discloses a kind of medical delicate flow adjusters, belong to flow regulator field.A kind of medical delicate flow adjuster of the utility model, including pedestal and spiral cover, pedestal is connected with spiral cover by attachment device, the middle part of spiral cover is equipped with column, and the bottom of column has a rotation core, has rotation core slot, inlet and liquid outlet on pedestal, it revolves core and is equipped with rotary regulating structure, pedestal is equipped with pillar, and the graduation apparatus of annular is fixedly installed on pillar, and the top of spiral cover is equipped with pointer；It revolves core bottom closed end and is equipped with centering ring, rotation core trench bottom is equipped with centering column, the bottom groove of pedestal.The utility model is improved by the indicating mechanism of flow regulator, so that spiral cover can be by rotation core bottom injecting glue when forming, and is optimized to the structure of pedestal key position, is improved the dimensional accuracy of flow regulator flow control division position；Also, it is optimized by the fit dimension to spiral cover and pedestal, keeps flow regulator operation more flexible and convenient.
Description
Technical field
The utility model relates to a kind of flow regulators, more specifically to a kind of medical delicate flow adjuster.
Background technique
Currently, clinically flow regulator used in infusion apparatus is usually to cover to be through outside infusion tube, pass through adjusting
Wheel cooperates to extruding infusion tube with regulating tank, to achieve the purpose that adjust flow.But this adjuster cannot be straight
The specific data for connecing control medicinal liquid flow, are unable to satisfy part medical fluid and need coutroi velocity, flow and the demand of time, and be difficult to
The stability for guaranteeing infusion flow rate can not reduce patient's pain and cannot give full play to the optimum therapeuticing effect of medical fluid, and right
The safety of patient has some potential safety problems.
To solve the above-mentioned problems, applicant is once in proposition on July 27th, 2016 number of patent application are as follows:
201620802558.6, title are as follows: a kind of patent application case of delicate flow controller, this application is in August 25 in 2017
Day authorization is announced, and this application is related to a kind of volume control device, including pedestal, spiral cover, end cap, pointer.Pedestal and spiral cover are logical
Cross with the mutual attachment device connection that limits axial freedom but can mutually rotate, pedestal be equipped with inlet, liquid outlet and
Core slot is revolved, rotation core slot is equipped with groove step, and inlet and liquid outlet are communicated with rotation core slot respectively, revolves the perforation of core slot and inlet
Place is equipped with admission chamber, and spiral cover is equipped with the rotation core matched with rotation core slot, and rotation core is equipped with the rotation core step matched with groove step,
It revolves and is equipped with gradual change runner between the step end face of core step and the step end face of groove step, set between gradual change runner and liquid outlet
There is inner cavity, revolve and be additionally provided with column in core slot, rotation core is equipped with through-hole, and column passes through through-hole, installs pointer, rotation at the top of column
The upper surface of lid is additionally provided with the graduation apparatus for showing flow controller state and flow velocity size.A kind of accurate stream of this application
Amount controller reads intuitive and convenient, and accuracy is high, but finds in the actual production process, since the via design on spiral cover makes
Its when injecting glue forms can only at the top of the spiral cover from top to bottom carry out, the rotation core segment of spiral cover causes because of last injecting glue
Dimensional accuracy is difficult to ensure, reduces the accuracy of flow control；In addition, spiral cover is with pedestal when mutually being rotated, if connecing
Touching tension will affect rotating effect, and Ruo Taisong is easy to appear the problem of liquid oozes out, and the flexibility of revolution and leakproofness of spiral cover are difficult
To get both；And when making pedestal, base bottom thickness and other position gaps are larger, and when molding is easy to appear contraction
Problem on deformation influences the service precision of flow adjusting.
Summary of the invention
1. utility model technical problems to be solved
The purpose of the utility model is to overcome existing flow regulator, there are key position dimensional accuracies to be difficult to ensure
And cause flow degree of regulation poor and flow adjusts the deficiencies of operating flexibility is poor, provide a kind of medical accurate stream
Amount adjuster is improved using the technical solution of the utility model by the indicating mechanism of flow regulator, so that spiral cover
Can be by rotation core bottom injecting glue when molding, and the structure of pedestal key position is optimized, improve flow regulator flow tune
The dimensional accuracy for saving position, so that the degree of regulation of flow regulator greatly improved；Also, by matching to spiral cover and pedestal
It closes size to optimize, the case where ensure that flow regulator good sealing property, reduces the resistance of spiral cover adjusting, make flow
Regulator operations are more flexible and convenient.
2. technical solution
In order to achieve the above objectives, technical solution provided by the utility model are as follows:
A kind of medical delicate flow adjuster of the utility model, including pedestal and spiral cover, the pedestal and spiral cover are logical
It crosses with the mutual attachment device connection that limits axial freedom and can mutually rotate, the middle part of the spiral cover is equipped with a tool
Have a column of the cavity of bottom end closure, the bottom of the column has a rotation core, have on the pedestal one with it is above-mentioned
The rotation core slot and be respectively communicated with the inlet and liquid outlet for revolving core slot that rotation core matches, the rotation core is equipped with and rotation core
Slot cooperation realizes that the rotary regulating structure that flow is adjusted, the pedestal are equipped with the branch for upwardly extending and being located on the outside of spiral cover
Column, the graduation apparatus of annular is fixedly installed on the pillar, and the top of the spiral cover is equipped with the finger being located on the inside of graduation apparatus
Needle；The rotation core bottom closed end is equipped with center gum-injecting port and the centering ring on the outside of the gum-injecting port of center, the pedestal
Rotation core trench bottom be equipped with the centering column that matches with centering ring, the bottom of the pedestal, which is equipped with, is located at the recessed of centering column bottom
Slot.
Further, the expanding end that there is one section of diameter to be greater than lower diameter on the top of the rotation core slot, in rotation core
Expanding step is formed between the upper and lower part of slot, the lower part of the column and the lower seal of rotation core slot cooperate, described
The top of column and the expanding splaying in top of rotation core slot cooperate, and form the on the top of column and the expanding end in top of rotation core slot
One gap.
Further, the rotary regulating structure includes set on the rotation core step revolved on core, is set on rotation core step
Helicla flute, set on helicla flute maximum stream flow starting point lead channel, connection lead channel and revolve core trench bottom inner cavity logical liquid bath,
The step surface with rotation core step sealing cooperation is equipped in the rotation core slot, the step surface and helicla flute cooperatively form gradually varied flow
Road, the rotation core step top of the inlet face rotation core, can communicate, the liquid outlet face revolves core with gradual change runner
Rotation core step lower part, can with rotation core trench bottom inner cavity be connected.
Further, admission chamber is equipped at the perforation of the inlet.
Further, the pointer has a needle dial, and the needle dial is equipped with location hole, the spiral cover
It is equipped with the locating piece matched with above-mentioned location hole, the needle dial passes through above-mentioned location hole and locating piece positioning peace
On spiral cover.
Further, the attachment device includes being set to the grab on the inside of spiral cover and the snap ring set on pedestal top,
The grab and snap ring is engaged by clamping.
Further, the pedestal is additionally provided with base stop, and the inside of the spiral cover is equipped with and base stop phase
The spiral cover block mutually cooperated.
3. beneficial effect
It is had the following beneficial effects: compared with existing well-known technique using technical solution provided by the utility model
(1) a kind of medical delicate flow adjuster of the utility model, is changed by the indicating mechanism of flow regulator
Into, so that can be by rotation core bottom injecting glue when spiral cover molding, and the structure of pedestal key position is optimized, improve flow tune
The dimensional accuracy for saving device flow control division position, so that the degree of regulation of flow regulator greatly improved；Also, by spiral cover
It is optimized with the fit dimension of pedestal, the case where ensure that flow regulator good sealing property, reduces spiral cover adjusting
Resistance keeps flow regulator operation more flexible and convenient；
(2) lower seal of a kind of medical delicate flow adjuster of the utility model, column lower part and rotation core slot cooperates, and has
Effect prevents liquid from even occurring flowing backwards phenomenon from infiltration between gap, improves the safety of use；And subtract by the first gap
Lack column top and revolved the friction on core slot top, improves the accuracy of adjusting；
(3) a kind of medical delicate flow adjuster of the utility model, all parts in rotary regulating structure are fitted close,
Not only it can control the dynamic switch of liquid flow, but also can control the flow of liquid, and substantially increased the accuracy of flow control, and operate letter
Folk prescription is just；
(4) a kind of medical delicate flow adjuster of the utility model realizes needle dial installation by location hole and locating piece
On spiral cover, the fitness of the two and the accuracy of position installation are improved；
(5) a kind of medical delicate flow adjuster of the utility model, is matched using base stop and spiral cover block, so that
A possibility that spiral cover rotates a circle and is able to achieve the adjusting of uninterrupted, and accident occurs for reduction；
(5) a kind of medical delicate flow adjuster of the utility model, grab and snap ring are fitted close, when rotating spiral cover, card
Hook strip moves snap ring rotation, realizes the control of fluid flow, simple to operate, and fitness is high.
Detailed description of the invention
Fig. 1 is a kind of schematic perspective view of medical delicate flow adjuster of the utility model；
Fig. 2 is a kind of cross-sectional view of medical delicate flow adjuster of the utility model；
Fig. 3 is a kind of decomposition diagram of medical delicate flow adjuster of the utility model；
Fig. 4 is an a kind of angle schematic diagram of the pedestal of medical delicate flow adjuster of the utility model；
Fig. 5 is a kind of another angle schematic diagram of the pedestal of medical delicate flow adjuster of the utility model；
Fig. 6 is an a kind of angle schematic diagram of the spiral cover of medical delicate flow adjuster of the utility model；
Fig. 7 is a kind of another angle schematic diagram of the spiral cover of medical delicate flow adjuster of the utility model.
Label declaration in schematic diagram:
1, pedestal；10, column；11, inlet；12, liquid outlet；13, expanding step；14, base stop；15, snap ring；
16, centering column；17, inner cavity；18, groove；19, the first gap；2, spiral cover；20, center gum-injecting port；21, core is revolved；22, cavity；
23, lead channel；24, helicla flute；25, grab；26, spiral cover block；27, core step is revolved；28, admission chamber；3, pointer；31, pointer
Disk；32, location hole；33, locating piece；4, graduation apparatus.
Specific embodiment
For the content for further appreciating that the utility model, the utility model is described in detail in conjunction with the accompanying drawings and embodiments.
Embodiment
In conjunction with shown in Fig. 1 to Fig. 7, a kind of medical delicate flow adjuster of the present embodiment, including pedestal 1 and spiral cover 2, base
Seat 1 and spiral cover 2 mutually limit axial freedom and the attachment device that can mutually rotate connect by having, specifically, connecting
Device includes the snap ring 15 set on the grab 25 of 2 inside of spiral cover and set on 1 top of pedestal, and grab 25 and snap ring 15 are engaged by clamping,
When rotating spiral cover 2, spiral cover 2 drives grab 25 to rotate on snap ring 15, realizes the control of fluid flow, simple to operate, matches
Right height.The middle part of spiral cover 2 is equipped with the column 10 of a cavity 22 with bottom end closure, and the bottom of column 10 has a rotation core
21, the inlet 11 and out of core slot is revolved on pedestal 1 with a rotation core slot matched with above-mentioned rotation core 21 and being respectively communicated with
Liquid mouth 12, rotation core 21 are equipped with the rotary regulating structure adjusted with rotation core slot cooperation realization flow, and pedestal 1 is equipped with and upwardly extends
And it is located at the pillar in 2 outside of spiral cover, the graduation apparatus 4 of annular is fixedly installed on pillar, the top of spiral cover 2, which is equipped with, is located at graduation apparatus
The pointer 3 of 4 insides, pointer 3 have a needle dial 31, and needle dial 31 is equipped with location hole 32, and spiral cover 2 is equipped with to be determined with above-mentioned
The locating piece 33 that matches of position hole 32, needle dial 31 by above-mentioned location hole 32 and 33 location and installation of locating piece on spiral cover 2,
It realizes that needle dial 31 is mounted on spiral cover 2 by location hole 32 and locating piece 33, improves the fitness and position peace of the two
The accuracy of dress.Also, the reading of the signified graduation mark of pointer 4 is the flow velocity of the liquid passed through, reads intuitive and convenient, accurately
Degree is high.It revolves 21 bottom closed end of core and is equipped with center gum-injecting port 20 and the centering ring positioned at 20 outside of center gum-injecting port, the rotation of pedestal 1
Core trench bottom is equipped with the centering column 16 matched with centering ring, and centering ring and centering column 16 match, and ensure that rotation core 21 and rotation
The concentricity of core slot, the bottom of pedestal 1 are equipped with the groove 18 for being located at centering 16 bottom of column.It can be facilitated using center gum-injecting port 20
Injecting glue directly is carried out from bottom when being poured to pedestal 1, the dimensional accuracy of rotation core 21 is improved, ensure that pedestal 1 using groove 18
Rotation core slot all directions adjoining dimensions, be less prone to the problems such as deforming in forming process, improve the rotation core slot ruler of pedestal 1
Very little precision, so that rotation core 21 greatly improved and revolve the cooperation precision of core slot.It is carried out by the indicating mechanism of flow regulator
It improves, so that spiral cover 2 can optimize when forming by 21 bottom injecting glue of rotation core, and to the structure of 1 key position of pedestal, improves
The dimensional accuracy of flow regulator flow control division position, so that the degree of regulation of flow regulator greatly improved.In addition, rotation
The expanding end that there is one section of diameter to be greater than lower diameter on the top of core slot forms expanding between the upper and lower part of rotation core slot
Rank 13, the lower part of column 10 and the lower seal of rotation core slot cooperate, and liquid is effectively prevent even to flow backwards from infiltration between gap
Phenomenon improves the safety of use, and the top of column 10 and the expanding splaying in top of rotation core slot cooperate, in the upper of column 10
Portion and the expanding end in top of rotation core slot form the first gap 19, reduce 10 top of column and revolve the friction on core slot top, pass through
The fit dimension of spiral cover 2 and pedestal 1 is optimized, the case where ensure that flow regulator good sealing property, reduces rotation
The resistance that lid 1 is adjusted keeps flow regulator operation more flexible and convenient.
In conjunction with shown in Fig. 2 to Fig. 7, in the present embodiment, rotary regulating structure includes the rotation core step on rotation core 21
27, the helicla flute 24 on rotation core step 27, the lead channel 23 set on 24 maximum stream flow starting point of helicla flute, connection lead channel
23 and rotation core trench bottom inner cavity 17 logical liquid bath, rotation core slot in be equipped with and rotation core step 27 sealing cooperation step surface, the step
Face and helicla flute 24 cooperatively form gradual change runner, and 11 face of inlet revolves 27 top of rotation core step of core 21, can be with gradually varied flow
Road communicates, and 12 face of liquid outlet revolves 27 lower part of rotation core step of core 21, can be connected with rotation core trench bottom inner cavity 17.Inlet
Admission chamber 28 is equipped at 11 perforation.Specifically, liquid by inlet 11 flow into admission chamber 28, enter back into gradual change runner, through into
Liquid bath 23 enters inner cavity 17, is finally flowed out by liquid outlet 12, by mutually screwing for pedestal 1 and spiral cover 2, change inlet 11 with
The cross-sectional area that the permission liquid that gradual change runner is formed passes through realizes accurate control fluid flow.Pedestal 1 is additionally provided with pedestal
Block 14, the inside of spiral cover 2 be equipped with the mutually matched spiral cover block 26 of base stop 14, utilize base stop 14 and spiral cover gear
Block 26 matches, so that a possibility that spiral cover 2, which rotates a circle, is able to achieve the adjusting of uninterrupted, and accident occurs for reduction, works as rotation
When lid block 26 encounters the side of base stop 14, the area that the permission liquid that admission chamber 28 and helicla flute 24 are formed passes through is most
Small, flow is minimum, i.e. closed state；When spiral cover block 26 encounters the other side of base stop 14, admission chamber 28 and helicla flute 24
The area that the permission liquid of formation passes through is maximum, maximum flow.
A kind of medical delicate flow adjuster of the present embodiment, in use, liquid enters admission chamber 28 from inlet 11, then
Into gradual change runner, gradual change runner is adjusted under mutually the screwing of pedestal 1 and spiral cover 2, when screwing spiral cover 2, pointer 4
Rotation and, the stream of liquid that registration graduation apparatus 4 on as pass through corresponding with the scale on graduation apparatus 4 can be carried out accordingly
Speed, the lead channel 23 that liquid is revolved 21 end profile of core again after gradual change runner enter inner cavity 17, finally flow out from liquid outlet 12.
A kind of medical delicate flow adjuster of the utility model, is changed by the indicating mechanism of flow regulator
Into, so that can be by rotation core bottom injecting glue when spiral cover molding, and the structure of pedestal key position is optimized, improve flow tune
The dimensional accuracy for saving device flow control division position, so that the degree of regulation of flow regulator greatly improved；Also, by spiral cover
It is optimized with the fit dimension of pedestal, the case where ensure that flow regulator good sealing property, reduces spiral cover adjusting
Resistance keeps flow regulator operation more flexible and convenient.
Schematically the utility model and embodiments thereof are described above, description is not limiting, attached drawing
Shown in be also one of the embodiments of the present invention, actual structure is not limited to this.So if this field
Those of ordinary skill enlightened by it, without deviating from the purpose of the present invention, without creatively designing
Frame mode similar with the technical solution and embodiment, all should belong to the protection range of the utility model.
Claims (7)
1. a kind of medical delicate flow adjuster, including pedestal (1) and spiral cover (2), the pedestal (1) and spiral cover (2) pass through
With the mutual attachment device connection that limits axial freedom and can mutually rotate, the middle part of the spiral cover (2) is equipped with one
The column (10) of cavity (22) with bottom end closure, the bottom of the column (10) have rotation core (21), the base
Seat (1) on a rotation core slot matched with above-mentioned rotation core (21) and be respectively communicated with revolve core slot inlet (11) and
Liquid outlet (12), the rotation core (21) are equipped with the rotary regulating structure that flow adjusting is realized with rotation core slot cooperation, feature
Be: the pedestal (1) is equipped with the pillar for upwardly extending and being located on the outside of spiral cover (2), is fixedly mounted on the pillar
There is the graduation apparatus (4) of annular, the top of the spiral cover (2) is equipped with the pointer (3) being located on the inside of graduation apparatus (4)；The rotation
The centering ring that core (21) bottom closed end is equipped with center gum-injecting port (20) and is located on the outside of center gum-injecting port (20), the pedestal
(1) rotation core trench bottom is equipped with the centering column (16) matched with centering ring, and the bottom of the pedestal (1), which is equipped with, is located at centering
The groove (18) of column (16) bottom.
2. a kind of medical delicate flow adjuster according to claim 1, it is characterised in that: the top of the rotation core slot
It is greater than the expanding end of lower diameter with one section of diameter, forms expanding step (13), institute between the upper and lower part of rotation core slot
The lower part for the column (10) stated and the lower seal of rotation core slot cooperate, and the top of the column (10) and the top of rotation core slot are expanded
The cooperation of diameter splaying forms the first gap (19) on the top of column (10) and the expanding end in top of rotation core slot.
3. a kind of medical delicate flow adjuster according to claim 1 or 2, it is characterised in that: the rotation is adjusted
Structure includes the rotation core step (27) in rotation core (21), the helicla flute (24) in rotation core step (27), is set to spiral
The lead channel (23) of slot (24) maximum stream flow starting point, the logical liquid bath for being connected to lead channel (23) He Xuanxin trench bottom inner cavity (17),
The step surface with rotation core step (27) sealing cooperation is equipped in the rotation core slot, which cooperatively forms with helicla flute (24)
Gradual change runner, the inlet (11) face are revolved rotation core step (27) top of core (21), can be communicated with gradual change runner, institute
Rotation core step (27) lower part for liquid outlet (12) face rotation core (21) stated can be connected with rotation core trench bottom inner cavity (17).
4. a kind of medical delicate flow adjuster according to claim 3, it is characterised in that: the inlet (11)
Admission chamber (28) are equipped at perforation.
5. a kind of medical delicate flow adjuster according to claim 4, it is characterised in that: the pointer (3) has
One needle dial (31), the needle dial (31) are equipped with location hole (32), and the spiral cover (2) is equipped with and above-mentioned positioning
The locating piece (33) that hole (32) matches, the needle dial (31) are positioned by above-mentioned location hole (32) and locating piece (33)
It is mounted on spiral cover (2).
6. a kind of medical delicate flow adjuster according to claim 5, it is characterised in that: the attachment device includes
Grab (25) on the inside of spiral cover (2) and the snap ring (15) for being set to pedestal (1) top, the grab (25) and snap ring (15)
It is engaged by clamping.
7. a kind of medical delicate flow adjuster according to claim 6, it is characterised in that: the pedestal (1) is also set
Have base stop (14), the inside of the spiral cover (2) is equipped with and the mutually matched spiral cover block (26) of base stop (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822012502.2U CN209500441U (en) | 2018-12-03 | 2018-12-03 | A kind of medical delicate flow adjuster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822012502.2U CN209500441U (en) | 2018-12-03 | 2018-12-03 | A kind of medical delicate flow adjuster |
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| Publication Number | Publication Date |
|---|---|
| CN209500441U true CN209500441U (en) | 2019-10-18 |
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ID=68191035
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822012502.2U Active CN209500441U (en) | 2018-12-03 | 2018-12-03 | A kind of medical delicate flow adjuster |
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| Country | Link |
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| CN (1) | CN209500441U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112999467A (en) * | 2021-04-14 | 2021-06-22 | 于琨 | Liquid flow rate adjusting device for nursing |
-
2018
- 2018-12-03 CN CN201822012502.2U patent/CN209500441U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112999467A (en) * | 2021-04-14 | 2021-06-22 | 于琨 | Liquid flow rate adjusting device for nursing |
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Address after: 213012 No. 2188 Longcheng Road, bell tower area, Jiangsu, Changzhou Patentee after: Changzhou Zhibo Medical Equipment Co.,Ltd. Address before: 213012 No. 2188 Longcheng Road, bell tower area, Jiangsu, Changzhou Patentee before: JIANGSU KANGBO MEDICAL DEVICES Co.,Ltd. |