CN209182147U - Partial denture snap ring fatigue testing jig - Google Patents
Partial denture snap ring fatigue testing jig Download PDFInfo
- Publication number
- CN209182147U CN209182147U CN201821980782.XU CN201821980782U CN209182147U CN 209182147 U CN209182147 U CN 209182147U CN 201821980782 U CN201821980782 U CN 201821980782U CN 209182147 U CN209182147 U CN 209182147U
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- CN
- China
- Prior art keywords
- snap ring
- clamp
- abutment
- partial denture
- fixture
- 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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- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The utility model relates to the technical fields of test fixture, disclose a kind of partial denture snap ring fatigue testing jig, including upper fixture and lower fixture, snap ring and abutment are effectively clamped by upper fixture and lower fixture, guarantee the accuracy of test result, upper fixture and lower fixture are connected on the upper binding head and lower union joint of universal material tester, and then the antifatigue testing experiment of snap ring is carried out by universal material tester, specifically, snap ring is clamped between two clamp arm of clamp, two clamp arm of clamp can be opposite opening and clamping, to carry out the installation and removal of snap ring, flexible deformation can occur for clamp, it can guarantee that the snap ring of different sizes can be clamped by two clamp arm, adaptability is stronger, artificial saliva is filled in the closing cavity that ring wall and fixing seat are constituted, abutment is fixed on fixing seat by fixed structure In and impregnated by artificial saliva, with Mouthsimulator salivary environment, improve the accuracy of the antifatigue test result of snap ring.
Description
Technical field
The utility model relates to the technical fields of test fixture, press from both sides more particularly to a kind of partial denture snap ring testing fatigue
Tool.
Background technique
Removable partial denture is that a kind of patient can voluntarily pluck the dummy for partial edentulous jaw (defect of dentition) worn.
Artificial tooth mainly keeps position of the artificial tooth in denture, benefit by the fixing devices such as the snap ring that is fixed in remaining natural teeth and base
It is supported with natural teeth and edentulous region residual alveolar ridge, restores the anatomic form and physiology function of missing tooth and its surrounding defective tissue
Energy.
Snap ring is in removable partial denture for the device of maintenance and the weak link in removable partial denture.It can pluck
Partial denture blocks in use will bear to pluck the mechanical fatigue worn repeatedly, thus be easy to cause under snap ring deformation, retention
Drop, which even fractures, waits failure phenomenons.Therefore the anti-fatigue performance of snap ring is the important indicator for investigating snap ring performance.Passing experiment
In be first to produce snap ring and a test metal tooth mostly to the test of snap ring anti-fatigue performance, then by snap ring and metal tooth
It is connected to universal material tester by fixture, snap ring in clinical use is then simulated and plucks the process worn repeatedly.
But the antifatigue test experiments of existing snap ring can be well fixed the fixture of snap ring and abutment due to lacking, and lead
The antifatigue test result inaccuracy of snap ring is caused, and then influences clinical use；Moreover, partial denture blocks during clinical use
Ring is in addition to by other than plucking repeatedly and wearing and influenced, also by the corrosiveness of saliva, the existing antifatigue testing experiment of snap ring be all
It is carried out under drying condition, does not account for the corrosiveness of saliva in oral cavity, equally cause the test result inaccuracy of snap ring.
Utility model content
The purpose of the utility model is to provide a kind of partial denture snap ring fatigue testing jig, can effectively fix snap ring and
Abutment, at the same can also Mouthsimulator salivary environment, guarantee the antifatigue test result of snap ring accuracy.
To solve the above-mentioned problems, the utility model provides a kind of partial denture snap ring fatigue testing jig, including is used for
The upper fixture of fixing clasp and lower fixture for fixing abutment, the upper fixture and the lower fixture are connected to omnipotent material
On the upper binding head and lower union joint for expecting tester；
The upper fixture includes a clamp that flexible deformation can occur, and the clamp, which is equipped with, can open in opposite directions or clamp snap ring
Two clamp arm；
The lower fixture includes fixing seat, and the periphery wall of the fixing seat is detachably connected with ring wall, the ring wall with
The fixing seat constitutes the closing cavity of a upper end opening, and the fixed knot for clamp or release abutment is equipped in the cavity
Structure.
It is further preferred that the fixed structure includes fixed plate arranged on the fixing seat, in the fixed plate
Equipped with horizontal concrete chute and two sliding blocks that can be slid in opposition in the sliding slot, the sliding block is equipped with retaining mechanism；
The fixing groove for fixing abutment is equipped in the sliding slot, the fixing groove is located between two sliding blocks.
It is further preferred that the retaining mechanism includes the threaded hole being arranged in the fixed plate and is arranged in described
The fastening screw of sliding block.
It is further preferred that the sliding block be equipped with perforative strip hole, the fastening screw wear the strip hole with
The threaded hole is threadedly coupled.
It is further preferred that the sliding block is equipped with the clamping groove for being clamped abutment, the clamping groove is close to described solid
Determine slot setting.
It is further preferred that the upper fixture includes adjusting screw, the adjusting screw opposite direction runs through two clamp arm.
It is further preferred that the ring wall and the fixing seat pass through glue bonding connection.
It is further preferred that being equipped with sealant between the lower end of the ring wall and the fixing seat.
It is further preferred that the ring wall is transparent plastic ring.
The utility model provides a kind of partial denture snap ring fatigue testing jig, including for fixing clasp upper fixture and
For fixing the lower fixture of abutment, snap ring and abutment are effectively clamped by upper fixture and lower fixture, guarantee the accurate of test result
Property, upper fixture and lower fixture are connected on the upper binding head and lower union joint of universal material tester, and then are passed through omnipotent
Material testing machine carries out the antifatigue testing experiment of snap ring, and specifically, snap ring is clamped between two clamp arm of clamp, clamp
Two clamp arm can be opposite opening and clamping, to carry out the installation and removal of snap ring, flexible deformation, Ke Yibao can occur for clamp
The snap ring of card different sizes can be clamped by two clamp arm, and adaptability is stronger, in the closing that ring wall and fixing seat are constituted
Artificial saliva is filled in cavity, abutment is fixed in fixing seat by fixed structure and is impregnated by artificial saliva, to simulate mouth
Chamber salivary environment improves the accuracy of the antifatigue test result of snap ring.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the partial denture snap ring fatigue testing jig in the utility model embodiment；
Fig. 2 is the structural schematic diagram of the upper fixture in the utility model embodiment；
Fig. 3 is the structural schematic diagram of the lower fixture in the utility model embodiment；
Fig. 4 is the schematic top plan view of the lower fixture decomposition texture in the utility model embodiment；
Fig. 5 is the structural schematic diagram of the abutment in the utility model embodiment.
In figure, 1, upper fixture；2, lower fixture；3, snap ring；4, abutment；101, clamp；102, clamp arm；103, screw is adjusted；
201, fixing seat；202, ring wall；203, cavity is closed；204, fixed plate；205, sliding slot；206, sliding block；207, fixing groove；208,
Threaded hole；209, fastening screw；210, strip hole；211, clamping groove；212, sealant；213, it covers；401, tooth body；402, even
Connect column；403, abutment pedestal.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
In the description of the present invention, it should be understood that term " on ", "lower", "left", "right", "top", "bottom" etc.
The orientation or positional relationship of instruction is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model
It is described with simplifying, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation structure
It makes and operates, therefore should not be understood as limiting the present invention.
In conjunction with shown in Fig. 1~5, schematically show that a kind of partial denture snap ring fatigue of the utility model embodiment is surveyed
Fixture is tried, including the upper fixture 1 for fixing clasp 3 and the lower fixture 2 for fixing abutment 4, upper fixture 1 and lower fixture 2 divide
It is not connected on the upper binding head and lower union joint of universal material tester, universal testing machine is total using microcomputer control
Word wideband electrohydraulic servo valve, drives precision liquid cylinder pressure, and Control System of Microcomputer carries out various modes to test force, displacement, deformation
It automatically controls, completes the stretching, compression, beam test to sample, symbol standard GB/T/T228-2010 " draw by metal material room temperature
Stretch test method " requirement and other standard requirements.Upper fixture 1 includes a clamp 101 that flexible deformation can occur, clamp 101
Equipped with two clamp arm 102 that can open in opposite directions and clamp snap ring 3, snap ring 3 is clamped between two clamp arm 102 effective to carry out
It is fixed, it is preferable that upper fixture 1 includes adjusting screw 103, adjusts 103 opposite direction of screw and runs through two clamp arm 102, adjusts screw 103
The distance between two clamp arm 102 can be adjusted according to the geomery of snap ring 3, while snap ring 3 and clamp 101 may be implemented
Installation and removal；Lower fixture 2 includes fixing seat 201, and the periphery wall of fixing seat 201 is detachably connected with ring wall 202, ring wall
202 constitute the closing cavity 203 of a upper end opening with fixing seat 201, and the fixation for clamping and unclamping abutment 4 is equipped in cavity
Structure, fixed structure is for effectively fixing abutment 4, wherein for the accuracy of guarantee test result, be arranged upper fixture 1, under
Fixture 2 and upper binding head are coaxially conllinear with lower union joint, guarantee each component uniform force.
Specifically, snap ring 3 and abutment 4 are effectively clamped by upper fixture 1 and lower fixture 2, guarantee the accuracy of test result,
Upper fixture 1 and lower fixture 2 are connected on the upper binding head and lower union joint of universal material tester, and then pass through omnipotent material
Expect tester carry out snap ring 3 antifatigue testing experiment, specifically, snap ring 3 be clamped in clamp 101 two clamp arm 102 it
Between, the opening and clamping that two clamp arm 102 of clamp 101 can be opposite, to carry out the installation and removal of snap ring 3, clamp 101 can be sent out
Raw flexible deformation, it is ensured that the snap ring 3 of different sizes can be clamped by two clamp arm 102, and adaptability is stronger, in ring
It is filled with artificial saliva in the closing cavity 203 that wall 202 and fixing seat 201 are constituted, abutment 4 is fixed on fixation by fixed structure
It is impregnated in seat 201 and by artificial saliva, with Mouthsimulator salivary environment, improves the accuracy of the antifatigue test result of snap ring 3.
Preferably, ring wall 202 is transparent plastic hoop, and convenient for observation, and cost is relatively low, is readily cleaned, ring wall 202 and solid
Reservation 201 realizes being detachably connected between ring wall 202 and fixing seat 201, in addition, in ring wall 202 by glue bonding connection
Lower end and fixing seat 201 between be equipped with sealant 212, sealant 212 be generally sealing rubber ring structure, with guarantee close cavity
203 air-tightness avoids the leakage of saliva.
In the present embodiment, fixed structure includes the fixed plate 204 being arranged in fixing seat 201, is equipped with water in fixed plate 204
Smooth slot 205 and two sliding blocks 206 that can be slid in opposition in sliding slot 205, sliding block 206 are equipped with retaining mechanism, sliding slot 205
In be equipped with fixing groove 207 for fixing abutment 4, fixing groove 207 is located between two sliding blocks 206, generally, as shown in figure 5,
Abutment 4 includes tooth body 401, abutment pedestal 403 and the connecting column 402 being connected between tooth body 401 and abutment pedestal 403, is surveyed
When examination, abutment pedestal 403 is placed in fixing groove 207, and two sliding blocks 206 are folded on connecting column 402, and abutment 4 is clamped
It fixes, it is preferable that setting 207 size of fixing groove is greater than the size of abutment pedestal 403, it is ensured that abutment pedestal 403 is in fixing groove
There is mobilizable space in 207, in order to adjust the horizontal position of abutment 4, realize abutment 4, snap ring 3, upper fixture 1, lower folder
Tool 2 and upper binding head are coaxially conllinear with lower union joint, guarantee each component uniform force, and adaptability is stronger, two sliding blocks 206
It slides in opposition in sliding slot 205, to realize the installation and removal of abutment 4, can be adjusted by the distance between two sliding blocks 206
Section, to guarantee that fixed structure is adapted to the abutment 4 of different shape size.The preferred retaining mechanism of the present embodiment includes setting solid
Threaded hole 208 on fixed board 204 and the fastening screw 209 for being arranged in sliding block 206, when sliding block 206 slides into fixing groove 207
Two sides, and when being connected to the sidewall locations of abutment 4, sliding block 206 is fixed on to the screw thread of fixed plate 204 by fastening screw 209
In hole 208, in order to guarantee that sliding block 206 can fasten abutment 4, the clamping groove for being clamped 4 side wall of abutment is equipped on sliding block 206
211, clamping groove 211 is arranged close to fixing groove 207, and when abutment 4 is placed in fixing groove 207, two sliding blocks 206 abut opposite to each other
On the connecting column 402 of abutment 4, sliding block 206 is pressed on abutment pedestal 403 and is fastened by fastening screw 209, meanwhile, it is sliding
The clamping groove 211 of block 206 is connected in opposite directions on connecting column 402, is realized the dual fixation of abutment 4, is avoided abutment 4 from two sliding blocks
It is slid between 206, causes test error.Sliding block 206 is equipped with perforative strip hole 210, and fastening screw 209 wears strip hole
210 are threadedly coupled with threaded hole 208, and setting strip hole 210 can better ensure that the abutment 4 of different shape size can be had
Effect is fixed in the fixing groove 207 of fixed plate 204.
Further, sliding slot 205 can be the dovetail groove being arranged through 204 side wall of fixed plate, the shape of sliding block 206 and swallow
Stern notch matches, and dovetail groove has certain limit fixed function to sliding block 206 itself, to guarantee sliding block 206 in sliding slot 205
The stability of sliding, and then the accuracy for improving testing experiment result is preferably equipped at the both ends notch of sliding slot 205
Capping 213, to be limited to sliding block 206.
In conclusion the utility model provides a kind of 3 fatigue testing jig of partial denture snap ring, including it is used for fixing clasp
3 upper fixture 1 and lower fixture 2 for fixing abutment 4 effectively clamp snap ring 3 and abutment 4 by upper fixture 1 and lower fixture 2,
Guarantee the accuracy of test result, upper fixture 1 and lower fixture 2 be connected to universal material tester upper binding head and lower company
On connector, and then by the antifatigue testing experiment of universal material tester progress snap ring 3, specifically, snap ring 3 is clamped in pincers
Between two clamp arm 102 of folder 101, the opening and clamping that two clamp arm 102 of clamp 101 can be opposite, to carry out the peace of snap ring 3
Flexible deformation can occur for assembly and disassembly, clamp 101, it is ensured that the snap ring 3 of different sizes can be pressed from both sides by two clamp arm 102
It handles, adaptability is stronger, and artificial saliva is filled in the closing cavity 203 that ring wall 202 and fixing seat 201 are constituted, and abutment 4 is logical
It crosses fixed structure to be fixed in fixing seat 201 and impregnated by artificial saliva, with Mouthsimulator salivary environment, raising snap ring 3 resists tired
The accuracy of labor test result.
It should be understood that various information are described in the utility model using term " first ", " second " etc., but these
Information should not necessarily be limited by these terms, these terms are only used to for same type of information being distinguished from each other out.For example, not departing from this
In the case where utility model range, " first " information can also be referred to as " second " information, and similar, " second " information can also be with
Referred to as " first " information.
Above are merely preferred embodiments of the utility model, it is noted that for the ordinary skill people of the art
Member for, without deviating from the technical principle of the utility model, several improvement and replacement can also be made, these improve and
Replacement also should be regarded as the protection scope of the utility model.
Claims (9)
1. a kind of partial denture snap ring fatigue testing jig, which is characterized in that including the upper fixture for fixing clasp and be used for
The lower fixture of fixed abutment, the upper fixture and the lower fixture are connected to the upper binding head of universal material tester under
On connector；
The upper fixture includes a clamp that flexible deformation can occur, and the clamp, which is equipped with, can open in opposite directions or clamp the two of snap ring
A clamp arm；
The lower fixture includes fixing seat, and the periphery wall of the fixing seat is detachably connected with ring wall, the ring wall with it is described
Fixing seat constitutes the closing cavity of a upper end opening, and the fixed structure for clamp or release abutment is equipped in the cavity.
2. partial denture snap ring fatigue testing jig as described in claim 1, which is characterized in that the fixed structure includes setting
Fixed plate on the fixing seat is set, being equipped with horizontal concrete chute and two in the fixed plate can slide in opposite directions in the sliding slot
Dynamic sliding block, the sliding block are equipped with retaining mechanism；
The fixing groove for fixing abutment is equipped in the sliding slot, the fixing groove is located between two sliding blocks.
3. partial denture snap ring fatigue testing jig as claimed in claim 2, which is characterized in that the retaining mechanism includes setting
It sets the threaded hole in the fixed plate and is arranged in the fastening screw of the sliding block.
4. partial denture snap ring fatigue testing jig as claimed in claim 3, which is characterized in that the sliding block, which is equipped with, to be run through
Strip hole, the fastening screw wears the strip hole and is threadedly coupled with the threaded hole.
5. partial denture snap ring fatigue testing jig as claimed in claim 4, which is characterized in that the sliding block is equipped with and is used for
It is clamped the clamping groove of abutment, the clamping groove is arranged close to the fixing groove.
6. partial denture snap ring fatigue testing jig as claimed in any one of claims 1 to 5, which is characterized in that the upper folder
Tool includes adjusting screw, and the adjusting screw opposite direction runs through two clamp arm.
7. partial denture snap ring fatigue testing jig as claimed in claim 6, which is characterized in that the ring wall and the fixation
Seat passes through glue bonding connection.
8. partial denture snap ring fatigue testing jig as claimed in claim 7, which is characterized in that the lower end of the ring wall and institute
It states and is equipped with sealant between fixing seat.
9. partial denture snap ring fatigue testing jig as claimed in claim 8, which is characterized in that the ring wall is transparent plastic
Ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821980782.XU CN209182147U (en) | 2018-11-28 | 2018-11-28 | Partial denture snap ring fatigue testing jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821980782.XU CN209182147U (en) | 2018-11-28 | 2018-11-28 | Partial denture snap ring fatigue testing jig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209182147U true CN209182147U (en) | 2019-07-30 |
Family
ID=67374752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821980782.XU Expired - Fee Related CN209182147U (en) | 2018-11-28 | 2018-11-28 | Partial denture snap ring fatigue testing jig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209182147U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110501215A (en) * | 2019-08-23 | 2019-11-26 | 西安交通大学口腔医院 | Implant prosthesis test specimen and its retention tensile test device and experimental method |
| CN112964539A (en) * | 2021-01-30 | 2021-06-15 | 陈哲 | Red wax sheet detection device for dentistry |
| CN113466037A (en) * | 2021-06-16 | 2021-10-01 | 中国航发沈阳发动机研究所 | Integrated tester for dynamic and static mechanical properties of clamp and using method thereof |
| CN114459747A (en) * | 2022-02-15 | 2022-05-10 | 上海锐淅医学科技有限公司 | Environment simulation type implant fatigue test equipment |
-
2018
- 2018-11-28 CN CN201821980782.XU patent/CN209182147U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110501215A (en) * | 2019-08-23 | 2019-11-26 | 西安交通大学口腔医院 | Implant prosthesis test specimen and its retention tensile test device and experimental method |
| CN110501215B (en) * | 2019-08-23 | 2022-02-01 | 西安交通大学口腔医院 | Implanted prosthesis test piece and retention force tensile experimental device and experimental method thereof |
| CN112964539A (en) * | 2021-01-30 | 2021-06-15 | 陈哲 | Red wax sheet detection device for dentistry |
| CN113466037A (en) * | 2021-06-16 | 2021-10-01 | 中国航发沈阳发动机研究所 | Integrated tester for dynamic and static mechanical properties of clamp and using method thereof |
| CN113466037B (en) * | 2021-06-16 | 2023-08-11 | 中国航发沈阳发动机研究所 | Integrated tester for dynamic and static mechanical properties of clamp and application method thereof |
| CN114459747A (en) * | 2022-02-15 | 2022-05-10 | 上海锐淅医学科技有限公司 | Environment simulation type implant fatigue test equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190730 Termination date: 20211128 |