CN203943760U - The file folder union joint that a kind of measure the root canal length is used - Google Patents
The file folder union joint that a kind of measure the root canal length is used Download PDFInfo
- Publication number
- CN203943760U CN203943760U CN201420243544.6U CN201420243544U CN203943760U CN 203943760 U CN203943760 U CN 203943760U CN 201420243544 U CN201420243544 U CN 201420243544U CN 203943760 U CN203943760 U CN 203943760U
- Authority
- CN
- China
- Prior art keywords
- connecting piece
- metal connecting
- root canal
- hole
- measure
- 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 - Lifetime
Links
- 210000004262 dental pulp cavity Anatomy 0.000 title claims abstract description 31
- 239000002184 metal Substances 0.000 claims abstract description 49
- 229910052751 metal Inorganic materials 0.000 claims abstract description 49
- 230000001681 protective effect Effects 0.000 claims abstract description 23
- 238000003466 welding Methods 0.000 claims abstract description 14
- 229910000679 solder Inorganic materials 0.000 claims abstract description 8
- 230000000903 blocking effect Effects 0.000 claims abstract description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 19
- 239000000741 silica gel Substances 0.000 claims description 19
- 229910002027 silica gel Inorganic materials 0.000 claims description 19
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 210000004746 tooth root Anatomy 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 206010000269 abscess Diseases 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000000214 mouth Anatomy 0.000 description 1
- 210000002200 mouth mucosa Anatomy 0.000 description 1
- 230000003239 periodontal effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 210000001114 tooth apex Anatomy 0.000 description 1
Landscapes
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
This utility model relates to the file folder union joint that a kind of measure the root canal length is used, and it comprises metal connecting piece, connecting line and protective sleeve; One end of described metal connecting piece is provided with the first through hole inserting for described connecting line; Described metal connecting piece is provided with welding groove, between the core of described metal connecting piece and described connecting line, by solder joint, is fixedly connected with; Described protective sleeve wraps up the junction of described metal connecting piece and described connecting line; The lower end of described metal connecting piece is provided with for blocking the first groove of described connecting line.The beneficial effects of the utility model are: being connected more firmly between connecting line and metal connecting piece, more reliable, be difficult for being broken by external force longer service life, simultaneously convenient processing.
Description
Technical field
This utility model relates to the file folder union joint that a kind of measure the root canal length is used, and it comprises metal connecting piece, connecting line and protective sleeve; One end of described metal connecting piece is provided with the first through hole inserting for described connecting line; Described metal connecting piece is provided with welding groove, between described metal connecting piece and the core of described connecting line, is fixedly connected by welding; Described protective sleeve wraps up the junction of described metal connecting piece and described connecting line.
Background technology
Root canal length meter is a kind of for measuring the department of stomatology auxiliary facilities of tooth root length of tube, for helping doctor before carrying out tooth root canal, measures the physical length that tooth root pipe arrives tooth apical area.Root canal length meter is inserted into root canal file in tooth root pipe while using, and then root canal file is connected with the circuit of root canal length meter main frame; Another electrode of root canal length meter main frame is connected with the lip hook circuit hanging in oral cavity.Root canal file sends the electric current of two different frequencies in tooth root pipe, and main frame is measured two electric currents by the ratio (this ratio is not subject to electrolytical impact in root pipe) of the resistance value of root pipe, determines the position of root canal file point in root pipe.When root canal file arrives apical area, on the main frame of root canal length meter, can show in real time and give the alarm, doctor takes out the physical length that root canal file measurement enters into tooth root pipe, just can measure tooth root pipe physical length.
Root canal length meter need to be used the accessories such as root canal file (pin), slotted line, file folder, lip hook and abscess probe in use conventionally, while measuring, slotted line one end is connected with main frame, two Different electrodes separated times of the other end are connected with file folder with lip hook respectively, file folder clamping root canal file (pin) extend in tooth root pipe until touch the periodontal tissue at apical foramen of tooth place, lip is hung on lip and is connected with oral mucosa, and this circuit has formed loop.The mode that existing file presss from both sides to plug is connected with main frame, causes file folder to hold the union joint that flimsy place is exactly file folder most, mainly by the fastness and the reliability that are connected between file folder union joint connecting line and copper pin, is determined the service life of file folder.
Publication number is that the Chinese patent of CN103550012A discloses " file folder union joint that measure the root canal length is used and preparation method thereof ", connected mode to file folder union joint is improved, but this file folder union joint carries out punching press at the outer surface of metal connecting piece, compress the mode of connecting line, still firm not, after life-time service, still can there is insecure situation that connects.
Utility model content
Technical problem to be solved in the utility model is to provide the file folder union joint that a kind of measure the root canal length is used, and solves the deficiencies in the prior art.
The technical scheme that this utility model solves the problems of the technologies described above is as follows: the file folder union joint that a kind of measure the root canal length is used, and it comprises metal connecting piece, connecting line and protective sleeve; The lower end of described metal connecting piece is provided with the first through hole inserting for described connecting line; Described metal connecting piece is provided with welding groove, in described welding groove, is provided with solder joint; Between the core of described metal connecting piece and described connecting line, by described solder joint, be fixedly connected with; Described protective sleeve wraps up the junction of described metal connecting piece and described connecting line; The lower end of described metal connecting piece is provided with for blocking the first groove of described connecting line.
The beneficial effects of the utility model are: being connected more firmly between connecting line and metal connecting piece, more reliable, be difficult for being broken by external force longer service life, simultaneously convenient processing.
Further: described the first groove is annular groove.
Further: the upper surface of described the first through hole is provided with the second through hole; The diameter of described the second through hole is less than the diameter of described the first through hole; Described welding groove is arranged in described the second through hole.
The beneficial effect of above-mentioned further scheme is: can guarantee that connecting line is inserted into equal in length in the first through hole.
Further: the middle part of described metal connecting piece is provided with the second groove, and the inside of described protective sleeve is provided with the projection matching with described the second groove.
Further: described the second groove is annular groove.
The beneficial effect of above-mentioned further scheme is: strengthen protective sleeve and be connected effect with metal connecting piece, make to be connected between protective sleeve and metal connecting piece better firm.
Further: also to comprise shell; Described shell comprises the first sleeve pipe, for entangling the second sleeve pipe, the dividing plate of described protective sleeve upper end; The upper surface of described dividing plate is fixedly connected with the lower surface of described the first sleeve pipe, and the lower surface of described dividing plate is fixedly connected with the upper surface of described the second sleeve pipe; The middle part of described dividing plate is provided with is convenient to the through hole that described metal connecting piece upper end is passed.
Further: described protective sleeve is for to be made by silica gel.
Further: described connecting line comprises silica gel tube and core; Described silica gel tube wraps up core described in this; The upper end of described silica gel tube is positioned at described the first through hole; The top of described core is stretched out described silica gel tube and is extend in described the second through hole; The diameter of described the second through hole is greater than the diameter of described core and is less than the diameter of described silica gel tube.
Further: described metal connecting piece is copper metalwork.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the structural representation of this utility model metal connecting piece and connecting line;
Fig. 4 is the partial sectional view of Fig. 3;
Fig. 5 is the structural representation of metal connecting piece of the present utility model;
Fig. 6 is the step 1 of assembling mode of the present utility model;
Fig. 7 is the step 2 of assembling mode of the present utility model;
Fig. 8 is the step 3 of assembling mode of the present utility model;
Fig. 9 is the step 4 of assembling mode of the present utility model;
Figure 10 is the step 5 of assembling mode of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing, principle of the present utility model and feature are described, example, only for explaining this utility model, is not intended to limit scope of the present utility model.
As shown in Figure 1, Figure 2, Figure 5, the file folder union joint that measure the root canal length is used, it comprises metal connecting piece 4 (preferably: described metal connecting piece 4 is copper metalwork), connecting line 3 and protective sleeve 2 (preferably: described protective sleeve 2 is for being made by silica gel); The lower end of described metal connecting piece 4 is provided with the first through hole 4.4 inserting for described connecting line 3; Described metal connecting piece 4 is provided with welding groove 4.5, in described welding groove 4.5, is provided with solder joint 5; Between the core 3.1 of described metal connecting piece 4 and described connecting line 3, by solder joint 5, be fixedly connected with; The junction of the described protective sleeve described metal connecting piece 4 of 2 parcel and described connecting line 3; The lower end of described metal connecting piece 4 is provided with for blocking the first groove 4.1 of described connecting line 3.Preferred: described the first groove 4.1 is annular groove.
As shown in Figure 2, this example also comprises shell 1; Described shell 1 comprises the first sleeve pipe, for entangling the second sleeve pipe, the dividing plate of described protective sleeve 2 upper ends; The upper surface of described dividing plate is fixedly connected with the lower surface of described the first sleeve pipe, and the lower surface of described dividing plate is fixedly connected with the upper surface of described the second sleeve pipe; The middle part of described dividing plate is provided with is convenient to the through hole that described metal connecting piece 4 upper ends are passed.
As shown in Figure 2 and Figure 3, the middle part of described metal connecting piece 4 is provided with the second groove 4.2, and the inside of described protective sleeve 2 is provided with the projection 2.1 matching with described the second groove 4.2.Preferred: described the second groove 4.2 is annular groove.
As shown in Figure 4, described connecting line 3 comprises silica gel tube 3.2 and core 3.1; Described silica gel tube 3.2 parcels core 3.1 described in this, described core 3.1 adopts copper conductive material.The upper end of described silica gel tube 3.2 is positioned at described the first through hole 4.4; The top of described core 3.1 is stretched out described silica gel tube 3.2 and is extend into that in described the second through hole 4.3, (diameter of the second through hole 4.3 is greater than the diameter of core 3.1; But the diameter of the second through hole 4.3 is less than the diameter of silica gel tube 3.2).
As shown in Figure 5, the bottom of described the first through hole 4.4 is provided with the second through hole 4.3 (in this example, the second through hole 4.3 is preferably manhole, also can be processed into as required square through hole); The diameter of described the second through hole 4.3 is less than the diameter of described connecting line 3; Described welding groove 4.5 is arranged at described the second through hole 4.3 places.
Below in conjunction with accompanying drawing 6, to accompanying drawing 10, assembling process of the present utility model is described further.
As shown in Figure 6, step 1: one end of connecting line 3 is removed to silica gel tube 3.2, exposed one section of core 3.1, then connecting line 3 is inserted in the first through hole 4.4, and core 3.1 is placed in the second through hole 4.3.
As shown in Figure 7, step 2: scolding tin on welding groove 4.5 is interior, will form solder joint 5 between core 3.1 and the second through hole 4.3.Between core 3.1 and metal connecting piece 4, the mode by welding is fixedly connected with like this, and can guarantee can conduct electricity between core 3.1 and metal connecting piece 4.
As shown in Figure 7, Figure 8, step 3: press the first through hole 4.4 outer wall one circles (number of turns that adjustment ring is pressed as required) at the position ring shown in the B of Fig. 7 arrow, form annular recess 4.1, in this example, form an annular recess 4.1, also can form a plurality of annular recess 4.1 such as two, three, four.
As shown in Figure 9, step 4: the metal connecting piece 4 that connects connecting line 3 is packed in protective sleeve 2 from top to bottom.
As shown in figure 10, step 5: the metal connecting piece 4 that packages protective sleeve 2 is squeezed in shell 1 from the bottom up.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (9)
1. the file folder union joint that measure the root canal length is used, it comprises metal connecting piece (4), connecting line (3) and protective sleeve (2); The lower end of described metal connecting piece (4) is provided with the first through hole (4.4) inserting for described connecting line (3); Described metal connecting piece (4) is provided with welding groove (4.5), is provided with solder joint (5) in described welding groove (4.5); Between the core (3.1) of described metal connecting piece (4) and described connecting line (3), by described solder joint (5), be fixedly connected with; Described protective sleeve (2) wraps up the junction of described metal connecting piece (4) and described connecting line (3);
It is characterized in that: the lower end of described metal connecting piece (4) is provided with for blocking first groove (4.1) of described connecting line (3).
2. the file folder union joint that a kind of measure the root canal length is used according to claim 1, is characterized in that: described the first groove (4.1) is annular groove.
3. the file folder union joint that a kind of measure the root canal length is used according to claim 2, is characterized in that: the upper surface of described the first through hole (4.4) is provided with the second through hole (4.3); The diameter of described the second through hole (4.3) is less than the diameter of described the first through hole (4.4); Described welding groove (4.5) is arranged at described the second through hole (4.3) and locates.
4. the file folder union joint that a kind of measure the root canal length is used according to claim 3, is characterized in that: described connecting line (3) comprises silica gel tube (3.2) and core (3.1); Described silica gel tube (3.2) wraps up described core (3.1); The upper end of described silica gel tube (3.2) is positioned at described the first through hole (4.4); The top of described core (3.1) is stretched out described silica gel tube (3.2) and is extend in described the second through hole (4.3); The diameter of described the second through hole (4.3) is greater than the diameter of described core (3.1) and is less than the diameter of described silica gel tube (3.2).
5. the file folder union joint that a kind of measure the root canal length is used according to claim 4; it is characterized in that: the middle part of described metal connecting piece (4) is provided with the second groove (4.2), and the inside of described protective sleeve (2) is provided with the projection (2.1) matching with described the second groove (4.2).
6. the file folder union joint that a kind of measure the root canal length is used according to claim 5, is characterized in that: described the second groove (4.2) is annular groove.
7. the file folder union joint of using according to the arbitrary described a kind of measure the root canal length of claim 1 to 6, is characterized in that: also comprise shell (1); Described shell (1) comprises the first sleeve pipe, dividing plate, for entangling the second sleeve pipe of described protective sleeve (2) upper end; The upper surface of described dividing plate is fixedly connected with the lower surface of described the first sleeve pipe, and the lower surface of described dividing plate is fixedly connected with the upper surface of described the second sleeve pipe; The middle part of described dividing plate is provided with is convenient to the through hole that described metal connecting piece (4) upper end is passed.
8. the file folder union joint that a kind of measure the root canal length is used according to claim 7, is characterized in that: described protective sleeve (2) is made by silica gel.
9. the file folder union joint that a kind of measure the root canal length is used according to claim 8, is characterized in that: described metal connecting piece (4) is copper metalwork.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420243544.6U CN203943760U (en) | 2014-05-13 | 2014-05-13 | The file folder union joint that a kind of measure the root canal length is used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420243544.6U CN203943760U (en) | 2014-05-13 | 2014-05-13 | The file folder union joint that a kind of measure the root canal length is used |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203943760U true CN203943760U (en) | 2014-11-19 |
Family
ID=51885828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420243544.6U Expired - Lifetime CN203943760U (en) | 2014-05-13 | 2014-05-13 | The file folder union joint that a kind of measure the root canal length is used |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203943760U (en) |
-
2014
- 2014-05-13 CN CN201420243544.6U patent/CN203943760U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141119 |