CN204560361U - A kind of tree injection syringe needle - Google Patents
A kind of tree injection syringe needle Download PDFInfo
- Publication number
- CN204560361U CN204560361U CN201520259107.8U CN201520259107U CN204560361U CN 204560361 U CN204560361 U CN 204560361U CN 201520259107 U CN201520259107 U CN 201520259107U CN 204560361 U CN204560361 U CN 204560361U
- Authority
- CN
- China
- Prior art keywords
- overcoat
- knife bar
- syringe needle
- injection
- knife
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to forest culture and management equipment part, provides a kind of and carries out injecting dispenser and the syringe needle that uses to trees; This tree injection syringe needle, comprises knife bar and overcoat; Knife bar hollow, the left end of knife bar is for cutting guidance part, and the overcoat of hollow is set on knife bar; Injection part, sealing cone and anvil handle is followed successively by from left to right on the coat along overcoat axis direction; Between knife bar and overcoat, be provided with injecting cavity, only set out fluid apertures at injection part left end along overcoat radial direction, offer inlet opening at anvil handle place and communicate with injecting cavity.
Description
Technical field
The utility model relates to forest culture and management equipment part, provides a kind of and carries out injecting dispenser and the syringe needle that uses to trees.
Background technology
China is the country that forest resources lack, and due to felling excessive for a long time, makes originally the just limited forest resources adopted sharply reduce.In recent years, environment constantly worsens, and damage by forest-insects increases fast, and trees survival rate reduces.The forestry pest rapid spreads such as the sap-sucking insect of trunk borer, flatheaded borer class, yellow spotted star longicorn beetle, Yang Gan clearwing pretty young woman, tool wax housing wall containment vessel.
There is following problem in conventional spray method prevention and elimination of disease and pests: in sprinkling process, agricultural chemicals can not effectively be attached to be needed on the trees that spray, remove insect, a large amount of agricultural chemicals is trickled down on the ground or drift and by the impact of the environment such as weather, agricultural chemicals availability is low, contaminated environment with the wind.Because the existence conventional spray method of these reasons is difficult to high-efficiency prevention and control, the loss that damage by disease and insect brings increases increasingly.
Tree injection dispenser prevents and treats one of infested effective ways of trees, it is the transpiration pull utilizing plant, by to the nutritive element, growth regulator, agricultural chemicals or other substances transport that input in tree body to each position of setting body, thus reach prevention and elimination of disease and pests, enriched nutritive, rescue a kind of technology of the objects such as nutritional deficiency disease, coordinate plant growth.Tree injection pesticide application technology has desinsection instant effect, and environmental pollution is little, saving of labor, economizes the features such as medicine.
Tree injection is carry out injecting the equipment of dispenser to trees namely to note the most key accessory of dry machine with syringe needle, and the performance of syringe needle will directly affect injecting liquid drug to the effect in trees.The tree injection syringe needle of present use, some trivial operations, need prebored hole, though have mustn't prebored hole, not easily chip removal, repeatedly use can cause wood chip to block fluid hole, and increase liquid and enter resistance in trees, impact uses.
Summary of the invention
Though the purpose of this utility model is to provide and was a kind ofly not only easy to chip removal and repeatedly uses without the need to prebored hole but wood chip can not be caused to block fluid hole and affect the tree injection syringe needle of use.
The purpose of this utility model is achieved through the following technical solutions:
This tree injection syringe needle, comprises knife bar and overcoat.Knife bar hollow, the left end of knife bar is for cutting guidance part, and the overcoat of hollow is set on knife bar; Injection part, sealing cone and anvil handle is followed successively by from left to right on the coat along overcoat axis direction; Between knife bar and overcoat, be provided with injecting cavity, only set out fluid apertures at injection part left end along overcoat radial direction, offer inlet opening at anvil handle place and communicate with injecting cavity.
The beneficial effects of the utility model are:
When using above-mentioned tree injection to inject trees with syringe needle, by external force, syringe needle is pressed into trees and completes inserting needle, in inserting needle process, cut guidance part and lumber fibre is cut off.Along with syringe needle enters further, the sealing of syringe needle cone enters trees, is formed seal with being cut out by cutting portion and extrude by syringe needle the tree hole close contact formed on trees, prevents liquid from leaking from syringe needle rear portion and setting between hole.Liquid enters in trees through fluid hole after entering injecting cavity by inlet opening.In inserting needle process, the reel that lumber fibre is cut off rear formation is stayed in the knife bar of hollow, and now, knife bar endoporus is chip-removal hole, is also easy to chip removal while reducing inserting needle resistance.Above-mentioned tree injection syringe needle, realize chip removal and injection physical isolation, wood chip can not impact fluid hole, wood chip blocking fluid hole more can not occur, increase the situation that liquid enters resistance in trees, impact uses.
When injection terminates, from trees, all exited the withdraw of the needle to syringe needle by back stretching for syringe needle by external force, then an injection process terminates.In withdraw of the needle process, reel can all or part ofly exit by knife bar, remains in reel in knife bar and to be turned right pushing tow by the reel newly produced when next time uses, do not affect use.
As to improvement of the present utility model, the knife bar of thin-walled hollow is cutting portion, guidance part, connecting portion and handle of a knife along knife bar axis direction from left to right successively; The outside dimension of guidance part, connecting portion and handle of a knife reduces successively; Angle between cutting portion bus and knife bar axis is 25 °-35 °.
This improvement, also ensure that the intensity of cutting portion while guarantee cutting portion cutting edge is sharp.
As to further improvement of the utility model, offer the cannelure for arranging sealing ring in the both sides of anvil handle periphery, inlet opening; The endoporus of overcoat is stepped hole, and left hole extends on the right side of inlet opening, and be injection connecting portion, right hole is the portion of being tightly connected, and the aperture of injection connecting portion is greater than the aperture in the portion of being tightly connected.
As to further improvement of the utility model, the angle between sealing cone nut line and overcoat axis is 6 °-8 °.
This improvement, be easy to sealing cone wedging treehole, sealing effectiveness is better.
As to further improvement of the utility model, connecting portion is equal with the nominal dimension of injection connecting portion, and handle of a knife is equal with the nominal dimension in the portion of being tightly connected, and two places all take interference fit; Cavity between overcoat and handle of a knife is injecting cavity; Distance near the fluid hole distance overcoat left end of overcoat left end is not less than the length of connecting portion.
This improvement, obtains injecting cavity easily, provides passage smoothly for liquid enters trees by outside; Take interference fit, sealing effectiveness is good, and structure is simple, and manufacturing cost is lower, afterburning at anvil handle place when being also more suitable for advance and retreat pin simultaneously.
As to further improvement of the utility model, the external diameter of guidance part is not less than the external diameter of injection part.
This improvement, can effectively reduce the resistance of inserting needle reality.
Accompanying drawing explanation
Fig. 1 is the structure chart of this tree injection syringe needle;
Fig. 2 is the structure chart of overcoat;
Fig. 3 is the structure chart of knife bar;
Fig. 4 is the A-A profile (amplification) in Fig. 1;
Fig. 5 is the A-A profile (amplification) in Fig. 2.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Shown in Fig. 1,4,5, this tree injection syringe needle is made up of knife bar 3 and overcoat 4 on the whole.Knife bar 3 hollow, the left end of knife bar 3 is for cutting guidance part, and the overcoat 4 of hollow is set on knife bar 3; Overcoat 4 is followed successively by injection part 8, sealing cone 10 and anvil handle 11 from left to right along overcoat 4 axis direction; Between knife bar 3 and overcoat 4, be provided with injecting cavity 9, only set out fluid apertures 7 at injection part 8 left end along overcoat 4 radial direction, offer inlet opening 13 at anvil handle 11 place and communicate with injecting cavity 9.
This tree injection in use without the need to rotating, can not be revolving body with syringe needle, but considers from design custom and processing technology, and in the specific implementation, entirety adopts rotary structure.
Specifically:
Shown in Figure 3 again, knife bar 3 is thin-walled hollow tubulose structure, and knife bar 3 is cutting portion 5, guidance part 6, connecting portion 15 and handle of a knife 2 along knife bar axis direction from left to right successively; Angle β between cutting portion 5 bus and knife bar 3 axis is 25 °-35 °, is preferably β=30 °, and cutting portion bus is crossing with knife bar endoporus, forms comparatively sharp endless knife 1, is beneficial to xylem fibre to cut off; The effect of guidance part 6 is led to syringe needle when inserting needle, to be cut so that imported smoothly by syringe needle and to prevent syringe needle crooked in the tree hole squeezed out by cutting portion 5; The outside dimension of guidance part 6, connecting portion 15 and handle of a knife 2 reduces successively.For reducing inserting needle resistance, frictional force when reel enters knife bar 3 endoporus 14 by the annular edge of a knife need be reduced as far as possible, roughness or the modes such as the vertex of a cone is positioned on knife bar axis, the taper hole on the annular edge of a knife left side that are designed to by endoporus 14 by reducing endoporus 14 wall are achieved, because the latter's processing cost is higher, therefore in this case, take the mode of the roughness reducing endoporus 14 wall.
Shown in Figure 2 again, overcoat 4 is also thin-walled hollow tubulose structure generally, and overcoat 4 is followed successively by injection part 8, sealing cone 10 and anvil handle 11 from left to right along overcoat 4 axis direction.Injection part 8 is functional parts that syringe needle carries out injecting, fluid apertures 7 is set out at injection part 4 left end along overcoat 4 radial direction, for ensureing plastic injection quality, multiple fluid hole 7 can be offered, in this case, the cross section that injection part three is different all sets out fluid apertures, uniform three fluid hole meters nine fluid holes on each cross section and interlaced arrangement.The effect of sealing cone 10 is formed and seal with being cut out by cutting portion 5 and extruded by syringe needle the tree hole close contact formed, consider the requirement of sealing effectiveness and the requirement of smooth advance and retreat pin, the angle α that empirical parameter is chosen between sealing cone 10 bus and overcoat 4 axis is 6 °-8 °, is preferably α=7 °.Anvil handle 11 is the reinforcing end of advance and retreat pin when syringe needle uses, and provides liquid to enter the passage of syringe needle by outside; Offer inlet opening 13 along overcoat 4 radial direction at anvil handle 11 place, in diagram, offer 4 inlet openings; Offer the cannelure 12 for arranging sealing ring in the both sides of anvil handle 11 periphery, inlet opening 13, O RunddichtringO selected by sealing ring, and reliable for sealing, the width of cannelure 12 notch is greater than the width of bottom land, chooses angle γ=10 ° of two cell walls.The endoporus of overcoat 4 is stepped hole, and left hole extends on the right side of inlet opening 13, and be injection connecting portion 17, right hole is the portion of being tightly connected 16, and the aperture of injection connecting portion 17 is greater than the aperture in the portion of being tightly connected 16.
Connecting portion 15 is equal with the nominal dimension of injection connecting portion 17, and handle of a knife 2 is equal with the nominal dimension in the portion of being tightly connected 16, and at the needs of anvil handle place's reinforcing when considering needs and the advance and retreat pin of sealing, two places all take interference fit, also improve the rigidity of syringe needle; Cavity between overcoat 4 and handle of a knife 2 is injecting cavity 9; Be not less than the length of connecting portion 15 apart from the distance of overcoat 4 left end near the fluid hole 7 of overcoat 4 left end.
The passage that liquid circulates in syringe needle is: liquid enters syringe needle by inlet opening 13 and fills injecting cavity 9, flows out syringe needle through fluid hole 7.
Also the resistance for reducing advance and retreat pin is considered, the external diameter of guidance part 6 is not less than the external diameter of injection part 8.
When using above-mentioned tree injection to inject trees with syringe needle, external force is afterburning at anvil handle place, syringe needle is pressed into trees and completes inserting needle.In inserting needle process, cut guidance part and lumber fibre is cut off.Along with syringe needle enters further, the sealing of syringe needle cone enters trees, is formed seal with being cut out by cutting portion and extrude by syringe needle the tree hole close contact formed on trees, prevents liquid from leaking from syringe needle rear portion and setting between hole.Liquid enters in trees through fluid hole after entering injecting cavity by inlet opening; The reel that lumber fibre is cut off rear formation is stayed in the knife bar of hollow, and now, knife bar endoporus is chip-removal hole, is also easy to chip removal while reducing inserting needle resistance.
When injection terminates, external force is afterburning at anvil handle place, and from trees, all exited the withdraw of the needle to syringe needle by back stretching for syringe needle, then an injection process terminates.In withdraw of the needle process, reel can all or part ofly exit by knife bar, remains in reel in knife bar and to be turned right pushing tow by the reel newly produced when next time uses, do not affect use.
The beneficial effects of the utility model are:
This tree injection syringe needle, structure is simple, and realize chip removal and injection physical isolation, wood chip can not impact fluid hole, wood chip blocking fluid hole more can not occur, increase the situation that liquid enters resistance in trees, impact use.Have special chip-removal hole, chip removal is convenient.
Without the need to boring during use, easy to use.
Claims (6)
1. a tree injection syringe needle, comprises knife bar and overcoat, it is characterized in that, knife bar hollow, and the left end of knife bar is for cutting guidance part, and the overcoat of hollow is set on knife bar; Injection part, sealing cone and anvil handle is followed successively by from left to right on the coat along overcoat axis direction; Between knife bar and overcoat, be provided with injecting cavity, only set out fluid apertures at injection part left end along overcoat radial direction, offer inlet opening at anvil handle place and communicate with injecting cavity.
2. tree injection syringe needle according to claim 1, is characterized in that, hollow knife bar is cutting portion, guidance part, connecting portion and handle of a knife along knife bar axis direction from left to right successively; The outside dimension of guidance part, connecting portion and handle of a knife reduces successively; Angle between cutting portion bus and knife bar axis is 25 °-35 °.
3. tree injection syringe needle according to claim 1, is characterized in that, offers the cannelure for arranging sealing ring in the both sides of anvil handle periphery, inlet opening; The endoporus of overcoat is stepped hole, and left hole extends on the right side of inlet opening, and be injection connecting portion, right hole is the portion of being tightly connected, and the aperture of injection connecting portion is greater than the aperture in the portion of being tightly connected.
4. tree injection syringe needle according to claim 3, is characterized in that, connecting portion is equal with the nominal dimension of injection connecting portion, and handle of a knife is equal with the nominal dimension in the portion of being tightly connected, and two places all take interference fit; Cavity between overcoat and handle of a knife is injecting cavity; Distance near the fluid hole distance overcoat left end of overcoat left end is not less than the length of connecting portion.
5. tree injection syringe needle according to claim 1, is characterized in that, the angle between sealing cone nut line and overcoat axis is 6 °-8 °.
6. tree injection syringe needle according to claim 1, is characterized in that, the external diameter of guidance part is not less than the external diameter of injection part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520259107.8U CN204560361U (en) | 2015-04-27 | 2015-04-27 | A kind of tree injection syringe needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520259107.8U CN204560361U (en) | 2015-04-27 | 2015-04-27 | A kind of tree injection syringe needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204560361U true CN204560361U (en) | 2015-08-19 |
Family
ID=53853074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520259107.8U Expired - Fee Related CN204560361U (en) | 2015-04-27 | 2015-04-27 | A kind of tree injection syringe needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204560361U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108476771A (en) * | 2018-03-29 | 2018-09-04 | 务川自治县绿果农业开发有限公司 | The implantation methods of plum |
-
2015
- 2015-04-27 CN CN201520259107.8U patent/CN204560361U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108476771A (en) * | 2018-03-29 | 2018-09-04 | 务川自治县绿果农业开发有限公司 | The implantation methods of plum |
| CN108476771B (en) * | 2018-03-29 | 2020-11-24 | 宝应县金运开发有限公司 | Plum planting method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Nanjing Kelin Forestry Machinery Co., Ltd Assignor: Nanjing Forestry University Contract record no.: X2019320000257 Denomination of utility model: Syringe needle is used to tree injection Granted publication date: 20150819 License type: Common License Record date: 20191114 Assignee: Nanjing Senke wood drying equipment Co., Ltd. Assignor: Nanjing Forestry University Contract record no.: X2019320000256 Denomination of utility model: Syringe needle is used to tree injection Granted publication date: 20150819 License type: Common License Record date: 20191114 |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150819 Termination date: 20200427 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |