CN216257486U - Syringe assembly - Google Patents
Syringe assembly Download PDFInfo
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- CN216257486U CN216257486U CN202123288769.2U CN202123288769U CN216257486U CN 216257486 U CN216257486 U CN 216257486U CN 202123288769 U CN202123288769 U CN 202123288769U CN 216257486 U CN216257486 U CN 216257486U
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- rotating shaft
- needle head
- syringe assembly
- glue
- needle
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Abstract
The present invention provides a syringe assembly. The first end of the rotating shaft is rotatably arranged in the glue discharging section, the first end of the rotating shaft is provided with a first limiting structure to limit the rotating shaft to be separated along the glue discharging section, the first end of the needle head is arranged on the rotating shaft, the needle head is communicated with the barrel, the gutta-percha can flow from the barrel to the needle head of the glue barrel by applying external force to the barrel, the first limiting structure prevents the rotating shaft from being separated from the glue discharging section of the glue barrel by applying external force to the barrel, and a doctor can also rotate the rotating shaft according to requirements to further adjust the direction of the needle head, so that the gutta-percha is convenient for the doctor to use; when the needle head needs to be replaced, the rotating shaft is only required to drive the needle head to move from the glue outlet section of the glue cylinder to the cylinder body of the glue cylinder, the rotating shaft with the needle head can be taken out, then the needle head replacement can be completed by replacing the needle head on the rotating shaft, the needle head replacement mode is simple, and only the needle head replacement is carried out, so that the rotating shaft can be continuously used, unnecessary waste can not be caused, and the use cost is effectively saved.
Description
Technical Field
The utility model relates to the field of medical instruments, in particular to an injector assembly.
Background
The hot melt gutta-percha fills and carries the tooth position that needs were filled through the silver needle of syringe subassembly with the molten gutta-percha of heating, consequently, for convenient doctor's use, hot gutta-percha fills ware syringe subassembly and requires that the silver needle is rotatable and the silver needle can be bent, it is convenient still to want silver needle to change simultaneously, make traditional syringe can't satisfy doctor's user demand, and change need change whole syringe needle subassembly after the silver needle fracture, it is with high costs.
SUMMERY OF THE UTILITY MODEL
In view of this, embodiments of the present invention provide a syringe assembly to solve the problems that a silver needle of a conventional syringe cannot be rotated and bent, which causes inconvenience for a doctor to use, and that the replacement of the entire needle assembly after the silver needle is broken requires high cost.
In order to achieve the above purpose, the embodiments of the present invention provide the following technical solutions:
a syringe assembly comprising: a rotating shaft, a needle head and a rubber cylinder;
the glue cylinder comprises a glue outlet section and a cylinder body, the cylinder body is positioned at the first end of the glue outlet section, and the inner diameter of the glue outlet section is smaller than that of the cylinder body;
the first end of the rotating shaft is rotatably arranged in the glue discharging section, and the end part of the first end of the rotating shaft is provided with a first limiting structure which is used for limiting the rotating shaft to be separated from the glue discharging section;
the first end of syringe needle is installed in the pivot, syringe needle and barrel intercommunication.
Preferably, the outside of the first end of pivot is equipped with first boss, and the first end external diameter of pivot is greater than the internal diameter of gluing the section.
Preferably, a mounting hole for mounting the needle head is formed along the axis of the rotating shaft.
Preferably, the needle is an interference fit with the mounting hole.
Preferably, a first step is arranged in the mounting hole, wherein the inner diameter of the first end of the mounting hole is larger than that of the second end of the mounting hole;
the outside of the first end of the needle head is provided with a second boss used for limiting the needle head to be separated out along the second end of the rotating shaft.
Preferably, the rotating device further comprises a rotating sheet arranged at the second end of the rotating shaft.
Preferably, the second end of the rotating shaft is provided with a second limiting structure for limiting the rotating sheet to be separated from the second end of the rotating shaft.
Preferably, a through groove is formed in the second end of the rotating shaft along the axial direction of the rotating shaft, a plurality of clamping cantilevers are formed at the second end of the rotating shaft, and a clamping hook used for limiting the rotating sheet to be separated from the clamping cantilevers is arranged at the front end of each clamping cantilever.
Preferably, the rotating piece is provided with a limiting piece for limiting the rotating piece to be pulled out from the second end of the rotating shaft.
Preferably, the limiting piece is an E-shaped split retainer ring;
the outer surface of the second end of the rotating shaft is provided with a clamping groove used for being matched with the E-shaped split retainer ring.
Preferably, the rubber tapping device further comprises a tightening sleeve sleeved on the rubber tapping section.
Preferably, the method further comprises the following steps: an O-shaped ring;
the O-shaped ring is arranged between the tightening sleeve and the rotating sheet;
one side of the rotating sheet close to the screwing sleeve is provided with a circular groove for installing an O-shaped ring.
Preferably, the method further comprises the following steps: a spring pad;
the elastic pad is arranged between the glue outlet section and the rotating sheet.
The utility model provides a syringe component, wherein a first end of a rotating shaft is rotatably arranged in a glue outlet section, a first limiting structure used for limiting the rotating shaft to be separated from the glue outlet section is arranged at the first end of the rotating shaft so as to limit the rotating shaft to be separated from the glue outlet section, a first end of a needle head is arranged on the rotating shaft and communicated with a barrel, gutta-percha can flow from the barrel to the needle head of a glue barrel by applying external force to the barrel, and the first limiting structure used for limiting the rotating shaft to be separated from the glue outlet section is arranged at the first end of the rotating shaft, so that the rotating shaft cannot be separated from the glue outlet section of the glue barrel by applying external force to the barrel, a doctor can also rotate the rotating shaft according to requirements so as to adjust the direction of the needle head, and the syringe component is convenient for the doctor to use; when the needle head needs to be replaced, the rotating shaft is only required to drive the needle head to move from the glue outlet section of the glue cylinder to the cylinder body of the glue cylinder, the rotating shaft with the needle head can be taken out, then the needle head replacement can be completed by replacing the needle head on the rotating shaft, the needle head replacement mode is simple, and only the needle head replacement is carried out, so that the rotating shaft can be continuously used, unnecessary waste can not be caused, and the use cost is effectively saved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic diagram of a syringe assembly according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a rotary plate according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an E-shaped circlip according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a rotating shaft according to an embodiment of the present invention;
FIG. 5 is a schematic structural view of another syringe assembly provided in accordance with an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of another rotating shaft according to an embodiment of the present invention;
FIG. 7 is a schematic structural view of another syringe assembly provided in accordance with an embodiment of the present invention;
fig. 8 is a schematic structural view of another syringe assembly according to an embodiment of the present invention.
The plastic syringe comprises a rotating shaft 1, a first boss 11, a mounting hole 12, a clamping cantilever 14, a clamping hook 15, a clamping groove 16, a through groove 13, a needle 2, a rubber barrel 3, a rubber outlet section 31, a barrel 32, a rotating sheet 4, a circular groove 41, an E-shaped split retainer ring 5, a screwing sleeve 6, an O-shaped ring 7, an elastic cushion 8 and a blocking sheet 9.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
An embodiment of the present invention provides a syringe assembly, and referring to fig. 1, fig. 1 is a schematic structural view of the syringe assembly, and the syringe assembly includes: the device comprises a rotating shaft 1, a needle head 2 and a rubber cylinder 3;
the glue cylinder 3 comprises a glue outlet section 31 and a cylinder body 32, the cylinder body 32 is positioned at the first end of the glue outlet section 31, and the inner diameter of the glue outlet section 31 is smaller than that of the cylinder body 32;
the first end of the rotating shaft 1 is rotatably arranged in the glue discharging section 31, the end part of the first end of the rotating shaft 1 is provided with a first limiting structure, and the first limiting structure is used for limiting the rotating shaft 1 to be separated from the glue discharging section 31;
the first end of the needle 2 is mounted on the rotating shaft 1, and the needle 2 is communicated with the barrel 32.
It should be noted that, the first end of the rotating shaft 1 is rotatably installed in the glue outlet section 31, the first end of the rotating shaft 1 is provided with a first limiting structure for limiting the rotating shaft 1 to be separated from the glue outlet section 31, so as to limit the rotating shaft 1 to be separated from the glue outlet section 31, the first end of the needle 2 is installed on the rotating shaft 1, and the needle 2 is communicated with the barrel 32, and by applying an external force to the barrel 32, the gutta-percha can flow from the barrel 32 of the glue barrel 3 to the needle 2, because the first end of the rotating shaft 1 is provided with the first limiting structure for limiting the rotating shaft 1 to be separated from the glue outlet section 31, by applying an external force to the barrel 32, the rotating shaft 1 cannot be separated from the glue outlet section 31 of the glue barrel 3, and a doctor can also rotate the rotating shaft 1 as required, thereby adjusting the direction of the needle 2, which is convenient for the doctor to use; and when need to change syringe needle 2, only need to make pivot 1 drive syringe needle 2 and move to the barrel 32 of packing element 3 from the play gluey section 31 of packing element 3, can take out pivot 1 that has syringe needle 2, then through changing syringe needle 2 in the pivot 1, can accomplish syringe needle 2 and change, syringe needle 2 change mode is simple, and only change to syringe needle 2, consequently, pivot 1 can continue to use, and then can not cause the unnecessary waste, has effectively practiced thrift use cost.
Specifically, the outside of the first end of the rotating shaft 1 is provided with a first boss 11, and the outer diameter of the first end of the rotating shaft 1 is larger than the inner diameter of the glue outlet section 31.
It should be noted that, by arranging the first boss 11 outside the first end of the rotating shaft 1 and making the outer diameter of the first end of the rotating shaft 1 larger than the inner diameter of the glue discharging section 31, and applying an external force into the cylinder 32, the rotating shaft 1 can be prevented from being separated from the end of the glue discharging section 31 when the applied force is too large, thereby ensuring that a doctor performs an operation on a patient.
It should be further noted that the first limiting structure is not limited to the first boss 11 disposed outside the first end of the rotating shaft 1, and the maximum diameter of the first end of the rotating shaft 1 may be larger than the inner diameter of the glue outlet section 31 by disposing a protruding member outside the first end of the rotating shaft 1.
It is worth noting that the first boss 11 is arranged outside the first end of the rotating shaft 1, the outer diameter of the first end of the rotating shaft 1 is larger than the inner diameter of the glue outlet section 31, the first boss 11 can be matched with the step formed by the barrel and the glue outlet section, a sealing structure can be formed, and when external force is applied to the barrel 32, the gum is prevented from leaking from a gap formed between the rotating shaft 1 and the glue outlet section.
Further, a mounting hole 12 for mounting the needle 2 is opened along the axis of the rotating shaft 1.
The mounting hole 12 for mounting the needle 2 is opened along the axis of the rotating shaft 1, so that the needle 2 can be mounted on the axis of the rotating shaft 1, and the rotating shaft 1 can be uniformly stressed and is not easily damaged when external force is applied to the cylinder 32.
Specifically, the needle 2 is in interference fit with the mounting hole 12.
It should be noted that, the needle head 2 and the mounting hole 12 are arranged in an interference fit manner, so that the needle head 2 and the mounting hole 12 can be more tightly fitted, and the dental cement is prevented from flowing out from a gap between the needle head 2 and the mounting hole 12 to affect the operation of a doctor.
Specifically, a first step is arranged in the mounting hole 12, wherein the inner diameter of a first end of the mounting hole 12 is larger than the inner diameter of a second end of the mounting hole 12;
the exterior of the first end of the needle 2 is provided with a second boss for limiting the needle 2 to be removed along the second end of the rotating shaft 1.
It should be noted that, by providing the first step in the mounting hole 12, and making the inner diameter of the first end of the mounting hole 12 larger than the inner diameter of the second end of the mounting hole 12, and providing the second boss outside the first end of the needle 2 for limiting the needle 2 to be pulled out along the second end of the rotating shaft 1, and by providing the second boss outside the first end of the needle 2, when the doctor injects the gutta-percha, the needle 2 is prevented from being pulled out from the second end of the rotating shaft 1 to affect the doctor's operation.
Further, the injector assembly further comprises a rotary plate 4 mounted on the second end of the rotary shaft 1.
It should be noted that, through installing the revolving fragment 4 at the second end of the rotating shaft 1, the doctor can further drive the rotating shaft 1 and the needle head 2 installed on the rotating shaft 1 to rotate in the glue outlet section 31 by rotating the revolving fragment 4, which is convenient for the doctor to inject the tooth glue in different directions.
Preferably, the rotating plate 4 is provided with a kidney-shaped hole 42, and the second end of the rotating shaft 1 is a kidney-shaped column structure matched with the kidney-shaped hole 42.
It should be noted that, the rotating plate 4 is provided with the kidney-shaped hole 42, and the second end of the rotating shaft 1 is configured to be a kidney-shaped column structure matched with the kidney-shaped hole 42, so that the rotating plate 4 rotates to drive the rotating shaft 1 to rotate.
It should be further noted that the rotating plate 4 can be further installed at the second end of the rotor through threads, a square hole can also be formed in the rotating plate 4, the second end of the rotating shaft 1 is set to be a square shaft matched with the square hole, the rotating plate 4 can be installed at the second end of the rotor, and then the rotating shaft 1 can be driven to rotate when the rotating plate 4 is rotated.
It should be noted that the matching manner of the rotating plate 4 and the second end of the rotating shaft 1 can be selected by those skilled in the art according to the requirement, and is not limited to the above examples.
Specifically, a second limiting structure for limiting the rotating sheet 4 to be separated from the second end of the rotating shaft 1 is arranged at the second end of the rotating shaft 1.
It should be noted that, the second limiting structure for limiting the rotating sheet 4 to be separated from the second end of the rotating shaft 1 is arranged at the second end of the rotating shaft 1, so that the rotating sheet 4 can be separated from the rotating shaft 1 in the doctor operation process to affect the doctor operation.
Specifically, a through groove 13 is formed in the second end of the rotating shaft 1 along the axial direction of the rotating shaft 1, the second end of the rotating shaft 1 forms a plurality of clamping cantilevers 14, and a clamping hook 15 used for limiting the rotating sheet 4 to be separated from the clamping cantilevers 14 is arranged at the front end of each clamping cantilever 14.
It should be noted that, set up logical groove 13 at the second end of pivot 1 along the axial of pivot 1, make the second end of pivot 1 form a plurality of joint cantilevers 14, and set up the trip 15 that is used for restricting revolving fragment 4 to deviate from joint cantilever 14 at the front end of joint cantilever 14, and then when the second end installation revolving fragment 4 of pivot 1, revolving fragment 4 is installed through the deformation of joint cantilever 14, and after revolving fragment 4 blocks into, the trip 15 that sets up at the front end of joint cantilever 14 restricts revolving fragment 4 and deviates from joint cantilever 14, and then avoid revolving fragment 4 to deviate from influencing doctor's operation from pivot 1 in doctor's operation process.
Further, the syringe assembly further comprises a limiting member for limiting the rotating sheet 4 from being pulled out from the second end of the rotating shaft 1.
It should be noted that, by providing the limiting member for limiting the rotating blade 4 from coming off from the second end of the rotating shaft 1, the rotating blade 4 can be prevented from coming off from the rotating shaft 1 during the doctor operation to affect the doctor operation.
Specifically, the limiting piece is an E-shaped split retainer ring 5;
the outer surface of the second end of the rotating shaft 1 is provided with a clamping groove 16 used for being matched with the E-shaped split retainer ring 5.
The limiting member may be the E-shaped circlip 5, or may be another component having a limiting function, and a person skilled in the art may set the limiting member according to needs, so that the limiting member is not limited to the E-shaped circlip 5.
Further, the syringe assembly further comprises a tightening sleeve 6 sleeved on the glue outlet section 31.
It should be noted that, the screwing sleeve 6 is sleeved on the glue outlet section 31, so that the syringe component can be conveniently installed by a doctor, and the use of the doctor can be facilitated.
Further, a syringe assembly, further comprising: an O-shaped ring 7;
the O-shaped ring 7 is arranged between the tightening sleeve 6 and the rotating sheet 4;
a circular groove 41 for installing the O-shaped ring 7 is formed on one side of the rotating sheet 4 close to the tightening sleeve 6.
It should be noted that, by providing the O-ring 7 between the tightening sleeve 6 and the rotating plate 4 and providing the circular groove 41 for installing the O-ring 7 on the side of the rotating plate 4 close to the tightening sleeve 6, the rotating plate 4 is prevented from contacting the tightening sleeve 6, so that the friction force generated when the rotating plate 4 rotates can be reduced, the rotating force of the rotating plate 4 can be reduced, the needle head 2 can be rotated quickly by the doctor, and the operation efficiency of the doctor can be improved effectively.
Further, a syringe assembly, further comprising: a spring washer 8;
the elastic pad 8 is arranged between the glue outlet section 31 and the rotating sheet 4.
It should be noted that, through set up bullet pad 8 between play gluey section 31 and revolving fragment 4, can effectively reduce revolving fragment 4 at the frictional force of rotation in-process, and then reduce the rotation dynamics of revolving fragment 4, and then can make the doctor rotate syringe needle 2 fast, can effectively promote doctor's operation efficiency.
In order to facilitate understanding of the above solution, the working principle of the solution is further described below with reference to fig. 1 to 8.
As shown in fig. 1, the silver needle is placed in the inner hole of the rotating shaft 1, and the silver needle (i.e. the needle head 2) is connected with the rotating shaft 1 in an interference manner (or welded or glued). The rotating shaft 1 is positioned in an inner hole of the glue filling cylinder 3 and is positioned through a step. The O-ring 7 is received in a circular groove 41 of the rotary plate 4, the circular groove 41 being schematically shown. The groove (i.e. the clamping groove 16) at the top end of the rotating shaft 1 is buckled with the E-shaped split retainer 5, and the E-shaped split retainer 5 and the clamping groove 16 are respectively shown in fig. 3 and 4. The rotating shaft 1 and the E-shaped split retainer ring 5 clamp the tightening sleeve 6, the O-shaped ring 7, the rotating sheet 4 and the glue filling cylinder 3 in the middle, and all parts are tightly jacked to form an assembly due to the elasticity of the O-shaped ring 7.
The depth of the circular groove 41 of the rotating piece 4 is smaller than the thickness of the O-shaped ring 7, the O-shaped ring 7 is arranged between the tightening sleeve 6 and the rotating piece 4, the tightening sleeve 6 is not in contact with the rotating piece, the rotating piece 4 does not rub against the tightening sleeve 6 when rotating around the axis of the silver needle relative to the tightening sleeve 6, and the rotating resistance is reduced. The rotating sheet 4 is matched with the rotating shaft 1 through a waist-shaped hole. When the rotating sheet 4 rotates, the rotating shaft 1 is driven to rotate through the waist-shaped hole, and the silver needle rotates along with the rotating shaft 1 when the rotating shaft rotates, so that the silver needle rotates. When the operator needs to change the silver needle, take off E type split ring 5, the silver needle subassembly that silver needle, pivot 1 are constituteed can be followed and taken out in 3 holes of dress packing element, and the silver needle subassembly of renewal, and E type split ring 5 is gone back to the dress and is carried dress packing element 3, is screwed up cover 6, O type circle 7, revolving fragment 4, accomplishes and trades the needle. The silver needle assembly is only needed to be replaced when the needle is replaced, and other assemblies can be repeatedly used, so that the cost is low and the needle replacement is convenient.
The E-shaped split retainer ring 5 can be changed into a buckle on the rotating shaft 1, as shown in FIG. 6;
the connection of the rotating sheet 4 and the waist-shaped hole of the rotating shaft 1 is changed into threaded connection; the thread end of the rotating piece 4 is provided with a step for positioning the screwing length and preventing the O-shaped ring 7 from being pressed too tightly. The needle changing operation is the same, and the needle can be changed by taking down the E-shaped split retainer ring 5.
The E-shaped opening check ring 5 can be replaced by other structural parts which play a role in clamping and limiting, such as other opening check rings, plastic snap rings and the like, the clamping groove 16 of the rotating shaft 1 can be replaced by threads, and the threads of the parts are screwed in to abut against the rotating sheet 4, so that the same limiting effect is achieved.
The position of the O-shaped ring 7 can be changed between the rotating sheet 4 and the glue filling cylinder 3, as shown in the position of the elastic pad 8, and the effect is the same; the O-ring 7 can be replaced by an elastic cushion 8, and the same function can be achieved.
The matching of the rotating sheet 4 and the waist-shaped hole of the rotating shaft 1 can be changed into any non-circular hole, such as a square hole and an elliptical hole, and the rotating sheet 4 can drive the rotating shaft 1 to rotate.
Has the advantages that:
the utility model discloses a can dismantle injection needle subassembly structure drives pivot 1 through revolving fragment 4 and realizes the rotation function of silver needle, makes things convenient for the doctor to use. The silver needle is replaced by assembling and disassembling the opening retainer ring, so that the silver needle is simple, convenient, low in cost and more practical.
The application is to protect the point:
1. the silver needle is driven to rotate by the rotating piece 4 through the waist-shaped hole or the thread.
2. The mode that the retainer ring and the rotating shaft 1 are used for pressing and clamping the middle part enables the assembly to be capable of realizing silver needle replacement by disassembling the retainer ring, and the silver needle replacement device is simple and convenient to operate and reduces cost.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (13)
1. A syringe assembly, comprising: a rotating shaft, a needle head and a rubber cylinder;
the glue cylinder comprises a glue outlet section and a cylinder body, the cylinder body is positioned at the first end of the glue outlet section, and the inner diameter of the glue outlet section is smaller than that of the cylinder body;
the first end of the rotating shaft is rotatably arranged in the glue discharging section, the end part of the first end of the rotating shaft is provided with a first limiting structure, and the first limiting structure is used for limiting the rotating shaft to be separated from the glue discharging section;
the first end of the needle head is arranged on the rotating shaft, and the needle head is communicated with the barrel.
2. The syringe assembly of claim 1, wherein the first end of the shaft is externally provided with a first boss, and an outer diameter of the first end of the shaft is larger than an inner diameter of the glue outlet section.
3. The syringe assembly of claim 1, wherein a mounting hole for mounting the needle is formed along the axial center of the rotating shaft.
4. The syringe assembly of claim 3, wherein the needle has an interference fit with the mounting hole.
5. The syringe assembly of claim 3, wherein the mounting bore has a first step disposed therein, wherein a first end inner diameter of the mounting bore is greater than a second end inner diameter of the mounting bore;
and a second boss used for limiting the needle head to be separated out along the second end of the rotating shaft is arranged outside the first end of the needle head.
6. The syringe assembly of claim 1, further comprising a rotating plate mounted to a second end of the shaft.
7. The syringe assembly of claim 6, wherein the second end of the shaft is provided with a second stop structure for limiting the rotation piece from being pulled out of the second end of the shaft.
8. The syringe assembly of claim 7, wherein a through groove is formed at the second end of the rotating shaft along the axial direction of the rotating shaft, a plurality of clamping cantilevers are formed at the second end of the rotating shaft, and a clamping hook for limiting the rotating piece from being separated from the clamping cantilevers is arranged at the front end of each clamping cantilever.
9. The syringe assembly of claim 6, further comprising a stop for limiting the rotation tab from exiting the second end of the shaft.
10. The syringe assembly of claim 9 wherein the retainer is an E-shaped split retaining ring;
and the outer surface of the second end of the rotating shaft is provided with a clamping groove used for being matched with the E-shaped split retainer ring.
11. The syringe assembly of claim 6, further comprising a tightening sleeve disposed about the glue dispensing section.
12. The syringe assembly of claim 11, further comprising: an O-shaped ring;
the O-shaped ring is arranged between the tightening sleeve and the rotating sheet;
and a circular groove for installing the O-shaped ring is formed in one side of the rotating sheet close to the tightening sleeve.
13. The syringe assembly of claim 6, further comprising: a spring pad;
the elastic pad is arranged between the glue outlet section and the rotating sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123288769.2U CN216257486U (en) | 2021-12-24 | 2021-12-24 | Syringe assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123288769.2U CN216257486U (en) | 2021-12-24 | 2021-12-24 | Syringe assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216257486U true CN216257486U (en) | 2022-04-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123288769.2U Active CN216257486U (en) | 2021-12-24 | 2021-12-24 | Syringe assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216257486U (en) |
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2021
- 2021-12-24 CN CN202123288769.2U patent/CN216257486U/en active Active
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