CN110732062A - downward-pressing type needle unloading device - Google Patents
downward-pressing type needle unloading device Download PDFInfo
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- CN110732062A CN110732062A CN201910712984.9A CN201910712984A CN110732062A CN 110732062 A CN110732062 A CN 110732062A CN 201910712984 A CN201910712984 A CN 201910712984A CN 110732062 A CN110732062 A CN 110732062A
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- Prior art keywords
- rack
- needle
- clamping plate
- cardboard
- lower clamping
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- 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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
- A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Accommodation For Nursing Or Treatment Tables (AREA)
Abstract
The invention discloses a downward-pressing type needle unloading device which comprises a supporting shell, a needle unloading assembly and a return spring, wherein the needle unloading assembly comprises an upper clamping plate, a lower clamping plate, a th rack, a second rack, a gear and the return spring, the upper clamping plate and the lower clamping plate are arranged in the supporting shell and are in sliding connection with the supporting shell, the lower clamping plate is arranged below the upper clamping plate, a th rack is fixed with the supporting shell, the gear is rotationally connected with the upper clamping plate, the second rack is fixed with the lower clamping plate, two sides of the gear are respectively meshed with a th rack and the second rack, an end of the return spring is fixed with the supporting shell, the other end of the return spring is connected with the needle unloading assembly, an upper clamping groove is formed in the upper clamping plate, a lower clamping groove is formed in the lower clamping plate, and the upper clamping groove and the lower clamping groove are arranged at opposite positions.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to an downward-pressing type needle unloading device.
Background
The syringe for medical use mainly includes syringe body, needle and needle holder, the needle will leave the blood of the patient after using, when the blood of the patient contains infectious substances such as virus, bacteria, etc., these substances may become the source of infectious diseases, such as AIDS, hepatitis, syphilis, etc., all can be infected by this way, once infected, the difficulty of treatment is very large, will cause huge physical and psychological damage to the infected person, therefore, it is necessary to dispose of the needle safely, it is a common practice to put the used needle into a special sharp instrument collection box of , and it should be avoided to touch the needle directly by hand in the disposal process.
Chinese patent application publication No. CN204543146U, published as 2015, 08/12, entitled " needle removing device", discloses needle removing devices, which comprises a motor, two meshed identical gears, two clamping jaws, two eccentric axles, two sliding axle sleeves, and a support, wherein the two clamping jaws, the two eccentric axles, and the two sliding axle sleeves are arranged in mirror symmetry, the motor drives the two eccentric axles through the two meshed identical gears, when the needle is inserted between the clamping jaw teeth of the needle removing device, a sensor triggers a microswitch to start the motor, power is transmitted to the eccentric wheels through the two meshed identical gears, the eccentric axle drives the eccentric axle sleeve to generate repeated actions of forward, downward and backward directions, so that the sliding axle fixed on the eccentric axle sleeve drives the clamping jaws to generate repeated actions of downward, upward, and electric needle removing devices provided by the patent have relatively complex structures, need to be connected with a power supply, can be used after the switch is opened, and are inconvenient to use.
Disclosure of Invention
The invention provides downward-pressing type needle unloading devices for overcoming the problems of complicated structure and needle unloading operation of the needle unloading device in the prior art, and has the advantages of simple structure, low manufacturing cost, convenient movement, simple needle unloading operation, high needle unloading efficiency and the like.
In order to achieve the purpose, the invention adopts the following technical scheme:
needle device is unloaded to formula of pushing down, which comprises a supporting shell, unload needle subassembly and reset spring, it includes the cardboard to unload the needle subassembly, lower cardboard, the rack, the second rack, gear and reset spring, it sets up in the supporting shell and with supporting shell sliding connection to go up the cardboard, down the cardboard setting in the supporting shell and with supporting shell sliding connection, lower cardboard sets up in last cardboard below, the rack is fixed with the supporting shell, the gear rotates with last cardboard to be connected, the second rack is fixed with lower cardboard, rack and second rack set up the relative both sides at the gear, the both sides of gear respectively with rack and second rack meshing, reset spring's end is fixed with the supporting shell, reset spring's other end is connected with unloading the needle subassembly, be equipped with the draw-in groove on the last cardboard, be equipped with draw-in groove down on the cardboard, go up draw-in groove and lower draw-in groove setting on relative position.
When the device is used for needle discharging, a needle head only needs to penetrate through the upper clamping plate and the lower clamping plate, a connecting gap between the needle head and a needle cylinder is clamped into the upper clamping groove, the needle head is clamped into the lower clamping groove, the upper clamping plate or the needle cylinder is pressed downwards, the gear is driven to move downwards, the gear is fixed by the rack, the gear rotates downwards when moving downwards, the gear drives the second rack to move downwards when moving downwards and rotating, the gear is meshed with the second rack, the downward movement of the gear can drive the second rack to move downwards, the rotation of the gear can drive the second rack to move downwards, the downward movement distance of the second rack is twice as long as the distance of the downward movement of the gear, the second rack is fixed with the lower clamping plate, the gear is connected with the upper clamping plate in a rotating mode, the upper clamping plate and the lower clamping plate can be pulled out when the gear is pressed downwards, the needle head only needs to be pushed to be pulled out, the lower clamping plate can be simply pressed into the lower clamping groove, the needle discharging shell, and the needle discharging device can be used for needle discharging without pressing the needle head.
Preferably, the end of the upper clamping groove is provided with a through hole, and the end of the lower clamping groove is provided with a through hole, so that the needle head and the needle cylinder can be conveniently clamped into the upper clamping groove and the lower clamping groove through the through hole.
Preferably, the upper clamping plate is provided with a plurality of upper clamping grooves, the lower clamping plate is provided with a plurality of lower clamping grooves, the upper clamping grooves correspond to the lower clamping grooves , and a plurality of upper clamping grooves and lower clamping grooves with different sizes can be arranged according to requirements to adapt to needles with different models.
Preferably, the upper clamping groove is a V-shaped groove, and the lower clamping groove is a V-shaped groove. The V-shaped groove can enable the upper clamping groove and the lower clamping groove to be matched with more needles, and the needles can be conveniently clamped into the V-shaped groove.
Preferably, the upper surface of the lower clamping plate is provided with a sliding inclined plane, the sliding inclined plane is arranged near the lower clamping groove, and the height of the upper end face of the large opening end of the lower clamping groove is lower than that of the upper end face of the small opening end of the lower clamping groove. The landing inclined plane can make the syringe needle pull out the back and along the landing inclined plane landing to cardboard below down, is convenient for collect.
Preferably, the upper clamping plate is provided with reinforcing ribs, and the lower clamping plate is provided with reinforcing ribs. The strengthening rib can increase the structural strength of last cardboard and lower cardboard.
Preferably, an opening is formed below the supporting shell, a collecting box is arranged in the opening, and the collecting box is arranged inside the supporting shell. The collection box is convenient for collecting and taking out the needle.
Preferably, the th rack, the second rack and the gear form conversion assemblies, the number of the conversion assemblies is 2, and 2 conversion assemblies are respectively arranged on two opposite sides of the upper clamping plate.
Preferably, the conversion assembly is disposed outside the support housing. The structure is convenient for installing and overhauling the conversion assembly.
Preferably, the device further comprises a protective shell, the protective shell is arranged on the outer side of the supporting shell and fixed with the supporting shell, and the conversion assembly is arranged in the protective shell. The structure can protect the conversion assembly.
The invention has the beneficial effects that: (1) the structure is simple, and the cost is low; (2) the needle unloading process is simple to operate, the needle unloading efficiency is high, and the operation can be completed by one hand; (3) the needle detaching device does not need to be additionally fixed and only needs to be placed on a table top, so that the needle detaching device is convenient to move and use; (4) different needles may be adapted.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the conversion assembly of the present invention;
FIG. 3 is a schematic structural view of an upper clamping plate according to the present invention;
FIG. 4 is a sectional view A-A shown in FIG. 3;
FIG. 5 is a schematic structural view of a lower clamping plate according to the present invention;
fig. 6 is a sectional view B-B shown in fig. 5.
In the drawing, a supporting shell 1, an opening 1.1, a needle unloading assembly 2, an upper clamping plate 2.1, an upper clamping groove 2.1.1, a lower clamping plate 2.2, a lower clamping groove 2.2.1, a sliding inclined plane 2.2, an th rack 2.3, a second rack 2.4, a gear 2.5, a through hole 2.7, a reinforcing rib 2.8, a collecting box 3, a protective shell 4 and a return spring 5.
Detailed Description
The invention is further described with reference to the figures and the specific embodiments.
Example 1:
as shown in FIG. 1, downward-pressing needle discharging devices comprise a supporting shell 1, a needle discharging assembly 2, a return spring 5 and a protective shell 4, wherein an opening 1.1 is arranged below the supporting shell 1, a collecting box 3 is arranged in the opening 1.1, and the collecting box 3 is arranged at the bottom of the supporting shell 1;
as shown in fig. 2, the needle discharging assembly 2 includes an upper clamping plate 2.1, a lower clamping plate 2.2, an th rack 2.3, a second rack 2.4 and a gear 2.5, the upper clamping plate 2.1 is disposed in the supporting shell 1 and slidably connected to the supporting shell 1, the lower clamping plate 2.2 is disposed in the supporting shell 1 and slidably connected to the supporting shell 1, and the lower clamping plate 2.2 is disposed below the upper clamping plate 2.1;
the rack 2.3, the second rack 2.4 and the gear 2.5 constitute conversion components, the number of the conversion components is 2, 2 conversion components are respectively arranged on two opposite sides of the upper clamping plate 2.1, and the conversion components are arranged on the supporting shell 1;
the rack 2.3 is fixed with the supporting shell 1, the gear 2.5 is rotatably connected with the upper clamping plate 2.1, the second rack 2.4 is fixed with the lower clamping plate 2.2, the rack 2.3 and the second rack 2.4 are arranged on two opposite sides of the gear 2.5, two sides of the gear 2.5 are respectively meshed with the rack 2.3 and the second rack 2.4, an end of the return spring 5 is fixed with the supporting shell 1, the other end of the return spring 5 is connected with the needle detaching assembly 2, as shown in fig. 3 and fig. 4, a reinforcing rib 2.8 and a plurality of upper clamping grooves 2.1.1 with different sizes are arranged on the upper clamping plate 2.1, as shown in fig. 5 and fig. 6, a reinforcing rib 2.8 and a plurality of lower clamping grooves 2.2.1 with different sizes are arranged on the lower clamping plate 2.2.2.2, an upper clamping groove 2.1.1.1 and a lower clamping groove are correspondingly arranged on the upper clamping plate 2.1.1, the upper clamping groove 2.1 is a V groove 2.1, a lower groove 2.2.2 is provided with a large inclined plane, a sliding groove with a small opening end face and a lower opening end face is arranged on the lower end face of the lower clamping groove 2.2.2.2.2, and a sliding groove 2 groove with a large opening end face, and a small opening, and a sliding face is arranged on the lower end face of.
In the technical scheme, the up-down direction is the direction when the device is normally used, the end of the return spring 5 is connected with the support shell 1, the other end of the return spring 5 can be connected with parts moving up and down in the device, for example, the upper clamping plate 2.1, the lower clamping plate 2.2, the rack 2.3 and the second rack 2.4. when the device is used for needle removal, only the needle head needs to penetrate through the upper clamping plate 2.1 and the lower clamping plate 2.2, the connecting gap between the needle head and the needle cylinder is clamped into the upper clamping plate 2.1, the needle head is clamped into the lower clamping plate 2.2.1, the upper clamping plate 2.1 or the needle cylinder is pressed downwards, the upper clamping plate 2.1 moves downwards under the action of pressure to drive the gear 2.5 to move downwards, the gear 2.5 is fixed due to the gear rack 2.3 of the , the gear 2.5 rotates when moving downwards, the gear 2.5 moves downwards, the gear 2.4 can drive the second rack 2.4 to move downwards when the gear 2.5 moves downwards and the gear 2.2.5 moves downwards, the gear 2.2.4 is fixed to drive the upper clamping plate to move downwards, the needle head to move downwards, the lower clamping plate 2.2.2.2.2.2, the needle head can move downwards, the needle head and the needle head can move downwards, the needle head can move downwards only when the needle head can move downwards, the needle head can move to be conveniently, the needle head can be removed, the needle, the.
The invention has the beneficial effects that: (1) the structure is simple, and the cost is low; (2) the needle unloading process is simple to operate, the needle unloading efficiency is high, and the operation can be completed by one hand; (3) the needle detaching device does not need to be additionally fixed and only needs to be placed on a table top, so that the needle detaching device is convenient to move and use; (4) different needles may be adapted.
Claims (9)
- The utility model provides an needle device is unloaded to formula of pushing down, which is characterized by, including the support shell, unload needle subassembly and reset spring, it includes the cardboard to unload the needle subassembly, lower cardboard, the rack, the second rack, gear and reset spring, it sets up in the support shell and with support shell sliding connection to go up the cardboard, lower cardboard sets up in the support shell and with support shell sliding connection, lower cardboard sets up in last cardboard below, the rack is fixed with the support shell, the gear rotates with last cardboard to be connected, the second rack is fixed with lower cardboard, the rack and the relative both sides of second rack setting at the gear, the both sides of gear respectively with rack and the meshing of second rack, reset spring's end is fixed with the support shell, reset spring's other end is connected with the needle subassembly of unloading, be equipped with the draw-in groove on the last cardboard, be equipped with the draw-in groove down on the cardboard, it sets up on relative position with draw-in the draw.
- 2. The push-down needle discharge device of claim 1, wherein the end of the upper notch is provided with a through hole, and the end of the lower notch is provided with a through hole.
- 3. The downward-pressing type needle dismounting device of claim 2, wherein the upper clamping plate is provided with a plurality of upper clamping grooves, the lower clamping plate is provided with a plurality of lower clamping grooves, and the upper clamping grooves correspond to the lower clamping grooves .
- 4. The downward-pressing needle dismounting device of claim 1, wherein the upper slot is a V-shaped slot and the lower slot is a V-shaped slot.
- 5. The downward-pressing type needle dismounting device of claim 4, wherein the lower clamping plate has a sliding inclined surface on its upper surface, the sliding inclined surface is disposed near the lower clamping groove, and the height of the upper end surface of the large opening end of the lower clamping groove is lower than that of the upper end surface of the small opening end of the lower clamping groove.
- 6. The downward-pressing type needle discharging device of claim 1, 2, 3, 4 or 5, wherein the upper clamping plate is provided with reinforcing ribs, and the lower clamping plate is provided with reinforcing ribs.
- 7. The downward-pressing type needle discharging device of claim 1, 2, 3, 4 or 5, wherein the rack, the second rack and the gear form switching assemblies, the number of the switching assemblies is 2, and 2 switching assemblies are respectively arranged on two opposite sides of the upper clamping plate.
- 8. The push-down needle discharge device of claim 7, wherein the transition member is disposed outside the support housing.
- 9. The push-down needle discharge device of claim 8, further comprising a protective case, the protective case being disposed outside and secured to the support case, the switching assembly being disposed within the protective case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910712984.9A CN110732062B (en) | 2019-08-02 | 2019-08-02 | Needle device is unloaded to formula of pushing down |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910712984.9A CN110732062B (en) | 2019-08-02 | 2019-08-02 | Needle device is unloaded to formula of pushing down |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110732062A true CN110732062A (en) | 2020-01-31 |
| CN110732062B CN110732062B (en) | 2021-07-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910712984.9A Active CN110732062B (en) | 2019-08-02 | 2019-08-02 | Needle device is unloaded to formula of pushing down |
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| Country | Link |
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| CN (1) | CN110732062B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111671998A (en) * | 2020-05-26 | 2020-09-18 | 陈彩萍 | Syringe needle separator for internal medicine |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0496763A (en) * | 1990-08-10 | 1992-03-30 | Susumu Nakagawa | Instrument for disconnecting and recycling needle |
| JPH07464A (en) * | 1993-02-16 | 1995-01-06 | Sang In Han | Needle removing device |
| JPH10234797A (en) * | 1997-02-27 | 1998-09-08 | Rikio Naka | Used injection needle disposal implement |
| JP3893217B2 (en) * | 1998-05-25 | 2007-03-14 | 利喜夫 中 | Used needle removal structure and used needle disposal container using the same |
| EP2529777A1 (en) * | 2011-05-30 | 2012-12-05 | Sanofi-Aventis Deutschland GmbH | Needle assembly removal device |
| CN102858391A (en) * | 2009-05-07 | 2013-01-02 | 药物注射器械公司 | Medicament dispensing device |
| CN104053468A (en) * | 2011-11-24 | 2014-09-17 | 赛诺菲-安万特德国有限公司 | Needle assembly attachment and removal device |
| CN204543146U (en) * | 2015-03-31 | 2015-08-12 | 上海星之塑医疗器械有限公司 | A kind of needle removing device |
| CN204846988U (en) * | 2015-06-02 | 2015-12-09 | 山东省肿瘤防治研究院 | Novel sharp ware bucket of medical treatment |
| CN205363993U (en) * | 2016-01-17 | 2016-07-06 | 周丽娟 | Box is collected in separation of venous transfusion needle tubing |
| CN109395211A (en) * | 2018-11-20 | 2019-03-01 | 金青青 | A kind of method for dismounting of novopen syringe needle |
-
2019
- 2019-08-02 CN CN201910712984.9A patent/CN110732062B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0496763A (en) * | 1990-08-10 | 1992-03-30 | Susumu Nakagawa | Instrument for disconnecting and recycling needle |
| JPH07464A (en) * | 1993-02-16 | 1995-01-06 | Sang In Han | Needle removing device |
| JPH10234797A (en) * | 1997-02-27 | 1998-09-08 | Rikio Naka | Used injection needle disposal implement |
| JP3893217B2 (en) * | 1998-05-25 | 2007-03-14 | 利喜夫 中 | Used needle removal structure and used needle disposal container using the same |
| CN102858391A (en) * | 2009-05-07 | 2013-01-02 | 药物注射器械公司 | Medicament dispensing device |
| EP2529777A1 (en) * | 2011-05-30 | 2012-12-05 | Sanofi-Aventis Deutschland GmbH | Needle assembly removal device |
| CN104053468A (en) * | 2011-11-24 | 2014-09-17 | 赛诺菲-安万特德国有限公司 | Needle assembly attachment and removal device |
| CN204543146U (en) * | 2015-03-31 | 2015-08-12 | 上海星之塑医疗器械有限公司 | A kind of needle removing device |
| CN204846988U (en) * | 2015-06-02 | 2015-12-09 | 山东省肿瘤防治研究院 | Novel sharp ware bucket of medical treatment |
| CN205363993U (en) * | 2016-01-17 | 2016-07-06 | 周丽娟 | Box is collected in separation of venous transfusion needle tubing |
| CN109395211A (en) * | 2018-11-20 | 2019-03-01 | 金青青 | A kind of method for dismounting of novopen syringe needle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111671998A (en) * | 2020-05-26 | 2020-09-18 | 陈彩萍 | Syringe needle separator for internal medicine |
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| Publication number | Publication date |
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| CN110732062B (en) | 2021-07-20 |
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