CN208612911U - A kind of dispensing needle head - Google Patents
A kind of dispensing needle head Download PDFInfo
- Publication number
- CN208612911U CN208612911U CN201820768335.1U CN201820768335U CN208612911U CN 208612911 U CN208612911 U CN 208612911U CN 201820768335 U CN201820768335 U CN 201820768335U CN 208612911 U CN208612911 U CN 208612911U
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- CN
- China
- Prior art keywords
- connector
- connecting tube
- fixing sleeve
- needle tubing
- needle head
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Abstract
The utility model discloses a kind of dispensing needle heads, it is related to dispenser part field, the connecting tube being connect including one end with dispenser, connecting tube has been wholely set connector far from one end of dispenser, needle tubing is provided through on connector, needle tubing is connected to connecting tube, and the fixing sleeve being also arranged in the radially-arranged several open seams of connector, connector for reducing opening gap is offered on connector.The utility model has the following advantages that and effect: needle tubing and connecting tube are fixed using fixing sleeve, with it is existing in the way of the fixed needle tubing of glue and connecting tube compared with, needle tubing is less prone to the phenomenon that being blocked by glue, to reduce the disqualification rate of dispensing needle head.
Description
Technical field
The utility model relates to dispenser components, in particular to a kind of dispensing needle head.
Background technique
Existing dispensing needle head includes the connecting tube that one end is connect with dispenser, and connecting tube is equipped with far from one end of dispenser
Connector, through having needle tubing, connector and needle tubing contact portion glue sealing on connector, to realize needle tubing and connector
It is fixed.
When being sealed connector and needle tubing contact portion with glue, glue easily blocks needle tubing, cause dispensing needle head without
Method uses, so that the disqualification rate of dispensing needle head increases, it would be highly desirable to improve.
Utility model content
The purpose of the utility model is to provide a kind of dispensing needle heads, on the outside of the connector between needle tubing and connecting tube
It is arranged fixing sleeve, makes not need glue between needle tubing and connecting tube can to fix, and then reduces the disqualification rate of dispensing needle head.
The above-mentioned technical purpose of the utility model, which has the technical scheme that, includes:
Connecting tube, one end are connect with dispenser；
Connector is integrally disposed upon the one end of the connecting tube far from dispenser, offers on the connector along institute
State the radially-arranged several open seams of connector；
Needle tubing is connected to through the connector and with the connecting tube；And
Fixing sleeve is sheathed on the connector, makes connection head clamping institute to reduce the gap of the open seam
State needle tubing.
By using above-mentioned technical proposal, fixing sleeve is sheathed on company through connector and after being connected to connecting tube by needle tubing
Outside connector, the gap for stitching connector upper opening reduces, and the gap between needle tubing and connector reduces therewith, until needle tubing is pressed from both sides
It holds on connector, needle tubing and connecting tube is fixed without using glue, glue is avoided to block needle tubing, to improve a plastic pin
The qualification rate of head.
Further, the connector is tapered, and its diameter close to described connecting tube one end is greater than far from the company
The diameter of one end is taken over, is offered in the middle part of the fixing sleeve along its axial through-hole, the connector is close to connecting tube one end
Diameter is greater than the diameter of the through-hole, and the connector is less than the diameter of the through-hole far from the diameter of connecting tube one end.
By using above-mentioned technical proposal, fixing sleeve is set in the initial stage of process on connector, fixing sleeve can be along even
Adapter tube axis direction is close to connecting tube, until fixing sleeve can not continue to move to when fixing sleeve inner wall pushes against connector, without
Needle tubing and connector can be fixed using glue.
Further, the connector is threadedly coupled with the fixing sleeve.
By using above-mentioned technical proposal, when needing for fixing sleeve to be set on connector, by around connecting tube axle center
Rotate fixing sleeve, make fixing sleeve along connecting tube axle center close to connecting tube, until stopping when fixing sleeve can not continue to rotate, make needle tubing with
The stable connection of connector turns around the axle center of connecting tube in opposite direction when needing to remove fixing sleeve from connector
Dynamic fixing sleeve makes fixing sleeve keep needle tubing easy to disassemble until fixing sleeve and connector are detached from far from connecting tube along connecting tube axle center.
Further, the needle tubing is located at the connection of the connecting tube and the connector close to one end of the connecting tube
Place.
By using above-mentioned technical proposal, when the glue quantity in connecting tube is seldom, glue liquid level only arrive connecting tube with connect
When the junction of head, glue can enter needle tubing from connecting tube, and then flow out from needle tubing far from one end of connecting tube, improve glue
The utilization rate of water.
Further, the lateral wall of the fixing sleeve is frosting.
By using above-mentioned technical proposal, when needing to rotate fixing sleeve, the frosting of fixing sleeve lateral wall is capable of increasing
The coefficient of friction of fixing sleeve lateral wall, so that operator be made to be not easy to skid when rotating fixing sleeve.
Further, the inner sidewall of the connecting tube is shiny surface.
By using above-mentioned technical proposal, when glue enters in connecting tube, the shiny surface of connecting tube inner sidewall to connect
Friction is small between adapter tube inner sidewall and glue, so that glue can quickly pass through connecting tube and enter needle tubing.
Further, the connector lateral wall is circumferentially with bulge loop along it, the inner sidewall of the fixing sleeve offer with
The annular groove of the bulge loop adaptation.
By using above-mentioned technical proposal, when needing for fixing sleeve to be set on connector, along connecting tube axle center to even
It takes over direction and presses fixing sleeve, make fixing sleeve along connecting tube axis direction close to connecting tube, and make the annular of fixing sleeve inner sidewall
Groove engages with the bulge loop of connector lateral wall, and fixing sleeve is fixed on connector, and fixing sleeve inner wall pushes against connector,
So that connector steadily clamps needle tubing.
Further, the bulge loop is axially distributed with multiple along the connector.
By using above-mentioned technical proposal, fixing sleeve along connecting tube axis direction close to connecting tube during, it is fixed
Annular groove on set inner sidewall far from connecting tube one end engages with the bulge loop on connector lateral wall far from connecting tube one end, Gu
Surely the annular groove on inner sidewall close to connecting tube one end is covered to engage with the bulge loop on connector lateral wall close to connecting tube one end,
Finally it is fixed on fixing sleeve on connector, so that the connection of needle tubing and connecting tube is more firm.
In conclusion the utility model has the following beneficial effects:
1. being arranged fixing sleeve on the connector between needle tubing and connecting tube, connector is threadedly coupled with fixing sleeve, needle tubing
It is connected to, offers on connector along the radially-arranged open seam of connector through connector and with connecting tube, it is solid by screwing
Fixed set can be such that the gap of open seam is gradually reduced, to make connector side wall generate extruding to needle tubing, until needle tubing is fixed
On connector, avoids blocking needle tubing using glue when glue sealing between needle tubing and connecting tube, reduce dispensing needle head
Disqualification rate；
2. being arranged fixing sleeve on the connector between needle tubing and connecting tube, it is circumferentially in connector lateral wall along it
Bulge loop, fixing sleeve inner sidewall offer the annular groove being adapted to bulge loop, and needle tubing is connected to through connector and with connecting tube, even
It is offered on connector along the radially-arranged open seam of connector, when fixing sleeve is set on connector, bulge loop and annular groove
Engaging makes connector side wall generate extruding to needle tubing so that opening gap reduces, so that needle tubing is fixed on connector,
It avoids blocking needle tubing using glue when glue sealing between needle tubing and connecting tube, reduces the disqualification rate of dispensing needle head.
Detailed description of the invention
Fig. 1 is the overall structure diagram of dispensing needle head in embodiment one；
Fig. 2 is the separate structure schematic diagram of dispensing needle head in embodiment one；
Fig. 3 is the schematic diagram of the section structure of dispensing needle head in embodiment one；
Fig. 4 is the separate structure schematic diagram of dispensing needle head in embodiment two；
Fig. 5 is the schematic diagram of the section structure of dispensing needle head in embodiment two.
Appended drawing reference: 1, connecting tube；11, shiny surface；12, the end of thread；2, connector；21, open seam；22, bulge loop；3, needle
Pipe；4, fixing sleeve；41, through-hole；42, frosting；43, annular groove.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment one:
As shown in Figure 1, a kind of dispensing needle head, including connecting tube 1, connector 2, needle tubing 3 and fixing sleeve 4, connecting tube 1 with
Connector 2 is wholely set, and needle tubing 3 is connected to through connector 2 and with connecting tube 1, and needle tubing 3 is fixed on connector 2 by fixing sleeve 4
On, connecting tube 1 is connected with dispenser, and to improve the convenience of installation process, sets in connecting tube 1 far from one end of connector 2
Have for the end of thread 12 with dispenser Screw assembly, can steadily be squeezed out out of needle tubing 3 by dispenser glue.
As shown in Figures 2 and 3, it is offered on connector 2 along the radially-arranged open seam 21 of connector 2, fixing sleeve 4 is arranged
On connector 2, the through-hole 41 radially extended along connecting tube 1 is offered in the middle part of fixing sleeve 4.Connector 2 is close to 1 one end of connecting tube
Diameter be greater than diameter of the connector 2 far from 1 one end of connecting tube, connector 2 close to 1 one end of connecting tube diameter be greater than through-hole 41
Diameter, connector 2 far from 1 one end of connecting tube diameter be less than through-hole 41 diameter.It is past close to connector convenient for fixing sleeve 4
2 direction is mobile, and fixing sleeve 4 is threadedly coupled with connector 2, so that when rotating fixing sleeve 4 around 1 axle center of connecting tube, it is fixed
Set 4 is close to connecting tube 1 along 1 axle center of connecting tube, so that the gap of 2 upper opening of connector seam 21 is gradually smaller, finally by needle tubing 3
It is clamped on connector 2.
Since hand easily skids during rotating fixing sleeve 4, to improve the frictional force between hand and fixing sleeve 4, will consolidate
Surely it covers 4 lateral walls and is set as frosting 42, in order to which fixing sleeve 4 to be tightened on connector 2.Due to liquid glue viscosity compared with
Greatly, it is easily adhered on the inner sidewall of connecting tube 1, shiny surface 11 is set by 1 inner sidewall of connecting tube, to reduce in connecting tube 1
Coefficient of friction between 1 inner sidewall of glue and connecting tube enters in needle tubing 3 so that glue be made more quickly to pass through connecting tube 1.For
Needle tubing 3, is arranged in the junction of connecting tube 1 Yu connector 2 by the utilization rate for improving glue close to one end of connecting tube 1.
The course of work summarize: by needle tubing 3 run through connecting tube 1, make needle tubing 3 close to one end of connecting tube 1 be in connecting tube 1 and
The junction of connector 2, and fixing sleeve 4 is set on connector 2, fixing sleeve 4 is tightened, 2 upper opening of connector seam 21 is made
Gap reduces, and when fixing sleeve 4 cannot continue to rotate, the gap of 2 upper opening of connector seam 21 reaches its smallest state, needle tubing
3 is i.e. fixed with connector 2, and finally connecting dispensing needle head with dispenser can be used.
Embodiment two:
As shown in Figure 4 and Figure 5, the present embodiment and embodiment one the difference is that, 2 lateral wall of connector is equipped with along it
Circumferential bulge loop 22, the inner sidewall of fixing sleeve 4 offers the annular groove 43 being adapted to bulge loop 22, by 4 company of being set in of fixing sleeve
When on connector 2, bulge loop 22 engages with annular groove 43, so that the gap of 2 upper opening of connector seam 21 be made to reduce and finally make needle
Pipe 3 and connecting tube 1 are fixed.
To improve the stability that connect with connecting tube 1 of needle tubing 3, there are three bulge loop 22 is arranged along the axially spaced-apart of connector 2,
So that the uniform force on axial position of fixing sleeve 4.
The course of work summarize: by needle tubing 3 run through connecting tube 1, make needle tubing 3 close to one end of connecting tube 1 be in connecting tube 1 and
The junction of connector 2, and fixing sleeve 4 is set on connector 2, it presses and fixes towards 1 direction of connecting tube along 1 axle center of connecting tube
Set 4 makes on the annular groove and 2 lateral wall of connector on 4 inner sidewall of fixing sleeve far from 1 one end of connecting tube far from connecting tube 1 one
The bulge loop 22 at end engages, on 4 inner sidewall of fixing sleeve close to 1 one end of connecting tube annular groove with it is close on 2 lateral wall of connector
The bulge loop 22 of 1 one end of connecting tube engages, so that the gap of 2 upper opening of connector seam 21 be made to reduce and fix needle tubing 3.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (8)
1. a kind of dispensing needle head characterized by comprising
Connecting tube (1), one end is connect with dispenser；
Connector (2) is integrally disposed upon the one end of the connecting tube (1) far from dispenser, offers on the connector (2)
Along the radially-arranged several open seams (21) of the connector (2)；
Needle tubing (3) is connected to through the connector (2) and with the connecting tube (1)；And
Fixing sleeve (4) is sheathed on the connector (2), makes the connector to reduce the gap of the open seam (21)
(2) needle tubing (3) is clamped.
2. dispensing needle head according to claim 1, which is characterized in that the connector (2) is tapered, and it is close described
The diameter of connecting tube (1) one end is greater than the diameter far from the connecting tube (1) one end, offers edge in the middle part of the fixing sleeve (4)
Its axial through-hole (41), the connector (2) are greater than the diameter of the through-hole (41) close to the diameter of connecting tube (1) one end,
The connector (2) is less than the diameter of the through-hole (41) far from the diameter of connecting tube (1) one end.
3. dispensing needle head according to claim 2, which is characterized in that the connector (2) and the fixing sleeve (4) screw thread
Connection.
4. dispensing needle head according to claim 3, which is characterized in that the one of the needle tubing (3) close the connecting tube (1)
End is located at the junction of the connecting tube (1) and the connector (2).
5. dispensing needle head according to claim 4, which is characterized in that the lateral wall of the fixing sleeve (4) is frosting
(42)。
6. dispensing needle head according to claim 5, which is characterized in that the inner sidewall of the connecting tube (1) is shiny surface
(11)。
7. dispensing needle head according to claim 2, which is characterized in that connector (2) lateral wall is circumferentially with along it
Bulge loop (22), the inner sidewall of the fixing sleeve (4) offer the annular groove (43) being adapted to the bulge loop (22).
8. dispensing needle head according to claim 7, which is characterized in that the bulge loop (22) is axial along the connector (2)
It is distributed with multiple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820768335.1U CN208612911U (en) | 2018-05-21 | 2018-05-21 | A kind of dispensing needle head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820768335.1U CN208612911U (en) | 2018-05-21 | 2018-05-21 | A kind of dispensing needle head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208612911U true CN208612911U (en) | 2019-03-19 |
Family
ID=65701267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820768335.1U Active CN208612911U (en) | 2018-05-21 | 2018-05-21 | A kind of dispensing needle head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208612911U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108437349A (en) * | 2018-05-21 | 2018-08-24 | 深圳市晶鼎包装材料有限公司 | A kind of dispensing needle head and its production equipment and its assemble method |
| CN113828476A (en) * | 2020-06-23 | 2021-12-24 | 三赢科技（深圳）有限公司 | Gluing device |
-
2018
- 2018-05-21 CN CN201820768335.1U patent/CN208612911U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108437349A (en) * | 2018-05-21 | 2018-08-24 | 深圳市晶鼎包装材料有限公司 | A kind of dispensing needle head and its production equipment and its assemble method |
| CN108437349B (en) * | 2018-05-21 | 2020-08-11 | 深圳市晶鼎包装材料有限公司 | Dispensing needle head, production equipment and assembly method thereof |
| CN113828476A (en) * | 2020-06-23 | 2021-12-24 | 三赢科技（深圳）有限公司 | Gluing device |
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