CN111982652A - Dental implant fatigue test loading assembly - Google Patents
Dental implant fatigue test loading assembly Download PDFInfo
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- CN111982652A CN111982652A CN202010744704.5A CN202010744704A CN111982652A CN 111982652 A CN111982652 A CN 111982652A CN 202010744704 A CN202010744704 A CN 202010744704A CN 111982652 A CN111982652 A CN 111982652A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0073—Fatigue
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- General Physics & Mathematics (AREA)
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- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The invention discloses a dental implant fatigue test loading assembly which comprises an installation block, a limiting device, a connecting block and a loading part. The installation block is installed on stop device, and the first through-hole on the stop device communicates first recess, and the connecting block sets up in stop device's first recess, but connecting block and stop device relative slip, and loading unit installs on the connecting block, can make connecting block and loading unit all have certain degree of freedom on the horizontal direction, still is provided with a plurality of ball head plunger subassemblies and contacts with the connecting block. By the dental implant fatigue test loading assembly, the connecting block and the loading component move along with the movement of the loading cap, so that the load acts on the central point of the loading cap more accurately without generating additional load; the ball head plunger assembly can also ensure the stability in the detection process by limiting the displacement of the loading part, and the detection accuracy is improved.
Description
Technical Field
The invention relates to dental implant detection equipment, in particular to a dental implant fatigue test loading assembly.
Background
The dental implant is implanted into the upper and lower jawbone of the edentulous part of human body by means of surgical operation, and after the wound is healed, the abutment and the prosthetic body are mounted on the upper portion of the dental implant. Because the installation is accomplished the back, can bear the load repeatedly under the effect of chewing force, the fracture risk can take place because of fatigue stress after long-time use, influences the experience of using dental implant, consequently need carry out dynamic fatigue test to dental implant according to national standard strictly to detect the maximum stress that dental implant can bear.
The loading cap of the dental implant is set to be a curved surface, so that the dynamic load is transmitted to the dental implant by a point contact mode in most of the loading assemblies commonly used at present, the position of the loading cap of the dental implant can deviate after being pressed, the loading assembly cannot move along with the movement of the loading cap, the load cannot accurately act on the central point of the loading cap in the test process, and errors occur in the detection result. The loading assembly can realize no transverse restraint by adopting the universal connector, the universal connector consists of a pair of hinges, an included angle is allowed to exist between two shafts of the pair of hinges, and the included angle is changed and can still normally rotate, so that the universal connector can cause additional dynamic load, and the universal connector is easy to damage and unstable in detection to influence the detection result.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a dental implant fatigue test loading assembly which can accurately act a load on the central point of a loading cap, does not generate an additional dynamic load and improves the detection accuracy.
The dental implant fatigue test loading assembly according to the embodiment of the invention comprises: mounting blocks;
the limiting device is provided with a first groove and a first through hole, the first through hole is communicated with the first groove, the limiting device further comprises a plurality of ball head plunger assemblies, the ball head plunger assemblies extend into the first groove from the side face of the limiting device, the mounting block is mounted on the limiting device, and the mounting block is positioned on one side, provided with the first groove, of the limiting device;
the connecting block is supported in the first groove, the connecting block and the limiting device can slide relatively, the connecting block is in contact with the ball head plunger assembly, and the ball head plunger assembly is used for limiting the displacement of the connecting block;
the loading component penetrates through the first through hole and is connected with the connecting block.
The dental implant fatigue test loading assembly provided by the embodiment of the invention at least has the following beneficial effects: compared with the loading assembly in the prior art, the loading assembly for the dental implant fatigue test has the advantages that the connecting block is supported in the first groove and can slide relative to the limiting device, so that the connecting block can slide in the horizontal direction, the loading component is connected with the connecting block and penetrates through the first through hole, the connecting block can drive the loading component to move in the horizontal direction, the load is accurately acted on the central point of the loading cap, no additional load is generated, and the detection accuracy is improved. The mounting block is mounted on the limiting device and is positioned on one side of the limiting device, where the first groove is formed, so that the movement of the connecting block in the vertical direction can be limited, and the smooth action of the load on the loading cap of the dental implant through the loading component is ensured. Through set up a plurality of ball plunger subassemblies in stop device, can also restrict the displacement volume that the connecting block moved at the horizontal direction at every turn, improve fatigue test's stability. In the detection process, after the loading cap is pressed to generate displacement, the loading component can move along with the movement of the loading cap in the horizontal direction, so that the load accurately acts on the central point of the loading cap in a point contact manner, no additional load is generated, and the detection accuracy is improved.
According to some embodiments of the present invention, the mounting block is provided with a first groove, the connecting block is provided with a second groove, the connecting block is provided with a third groove, the second groove is opposite to the third groove, the first friction plate is disposed in the second groove, the second friction plate is disposed in the third groove, and the ball is disposed between the first friction plate and the second friction plate.
According to some embodiments of the invention, the loading part comprises a pressing rod and a pressing head, the pressing rod is mounted on the connecting block, and the pressing head is mounted on the pressing rod.
According to some embodiments of the invention, the first groove and the first through hole cooperate to form a stepped hole, the outer diameter of the connecting block is smaller than the diameter of the first groove and larger than the diameter of the first through hole, and the diameter of the press rod is smaller than the diameter of the first through hole.
According to some embodiments of the invention, the connection block is T-shaped when connected to the loading member.
According to some embodiments of the invention, a third threaded hole is formed in the connecting block, the third threaded hole is communicated with the third groove, a first threaded rod is arranged on the end surface of the pressure lever, and the third threaded hole is in threaded connection with the first threaded rod.
According to some embodiments of the invention, a fourth threaded hole is formed in the other end surface of the pressing rod, and a second threaded rod is arranged on the pressing head and is in threaded connection with the fourth threaded hole.
According to some embodiments of the invention, the limiting device is provided with a plurality of first threaded holes, one side of the mounting block close to the limiting device is provided with a plurality of second threaded holes, and the second threaded holes correspond to the first threaded holes one to one.
According to some embodiments of the invention, the mounting block comprises a flange, the flange is arranged on one side of the mounting block away from the limiting device, and a plurality of fifth threaded holes are formed in the flange.
According to some embodiments of the invention, there are four ball plunger assemblies, and the ball plunger assemblies are distributed in a cross shape.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a front view of a dental implant fatigue test loading assembly of an embodiment of the present invention;
FIG. 2 is a top view of a dental implant fatigue test loading assembly of an embodiment of the present invention;
FIG. 3 is a cross-sectional view of the dental implant shown in FIG. 2 at fatigue test loading assembly A-A;
FIG. 4 is a cross-sectional view of the stop device and mounting block shown in FIG. 3;
fig. 5 is a cross-sectional view of the loading member, the connecting block and the transmission mechanism shown in fig. 3.
Reference numerals:
a dental implant fatigue test loading assembly 100,
A limiting device 110, a first groove 111, a first through hole 112, a ball head plunger assembly 113,
A connecting block 120,
A loading part 130, a pressure lever 131, a pressure head 132,
A mounting block 140, a second groove 141, a flange 142, a fifth threaded hole 143,
A transmission mechanism 150, a first friction plate 151, a second friction plate 152 and balls 153.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
A dental implant fatigue test loading assembly 100 according to the present invention is described below with reference to fig. 1 to 5.
As shown in fig. 1 to 4, a fatigue test loading assembly 100 for a dental implant according to the present invention includes: a mounting block 140, a limiting device 110, a connecting block 120 and a loading member 130.
The limiting device 110 is provided with a first groove 111 and a first through hole 112, the first through hole 112 is communicated with the first groove 111, the limiting device 110 further comprises a plurality of ball head plunger assemblies 113, the ball head plunger assemblies 113 extend into the first groove 111 from the side surface of the limiting device 110, the mounting block 140 is mounted on the limiting device 110, and the mounting block 140 is positioned at one side of the limiting device 110, where the first groove 111 is formed; the connecting block 120 is supported in the first groove 111, the connecting block 120 and the limiting device 110 can slide relatively, the connecting block 120 is in contact with the ball plunger assembly 113, and the ball plunger assembly 113 is used for limiting the displacement of the connecting block 120; the loading member 130 passes through the first through hole 112, and the loading member 130 is connected with the connection block 120.
Specifically, the connecting block 120 is supported in the first groove 111 of the limiting device 110, the loading unit 130 is connected to the connecting block 120, and the loading unit 130 passes through the first through hole 112, so that the connecting block 120 can drive the loading unit 130 to move. A gap is reserved between the connecting block 120 and the limiting device 110, and a gap is reserved between the loading component 130 and the limiting device 110, so that when the connecting block 120 and the limiting device 110 slide relatively, the connecting block 120 can drive the loading component 130 to move in the horizontal direction, and therefore in the loading process, after the loading cap is pressed to generate displacement, the loading component 130 can move along with the movement of the loading cap in the horizontal direction, and the load is guaranteed to accurately act on the central point of the loading cap. Meanwhile, the ball head plunger assembly 113 extends into the first groove 111 from the side surface of the limiting device 110 through the arrangement of the plurality of ball head plunger assemblies 113, the ball heads are in contact with the connecting block 120, springs are arranged in the ball head plunger assemblies 113, and the displacement of the connecting block 120 sliding in the horizontal direction at each time can be limited under the action of the springs.
In some embodiments of the present invention, the dental implant fatigue test loading assembly 100 further includes a transmission mechanism 150, the transmission mechanism 150 includes a first friction plate 151, a second friction plate 152 and a ball 153, the mounting block 140 is provided with a second groove 141, the connecting block 120 is provided with a third groove, the second groove 141 is opposite to the opening of the third groove, the first friction plate 151 is disposed in the second groove 141, the second friction plate 152 is disposed in the third groove, and the ball 153 is disposed between the first friction plate 151 and the second friction plate 152. For example, as shown in fig. 3 to 5, the second groove 141 is opposite to the third groove, the first friction plate 151 is disposed in the second groove 141, the second friction plate 152 is disposed in the third groove, and the balls 153 are disposed between the first friction plate 151 and the second friction plate 152. Specifically, the first friction plate 151 is arranged in the second groove 141, the second friction plate 152 is arranged in the third groove, and the balls 153 are arranged between the first friction plate 151 and the second friction plate 152, so that the first friction plate 151, the second friction plate 152 and the balls 153 are matched to achieve the effect of a bearing, the load can be conveniently transmitted downwards sequentially through the first friction plate 151, the balls 153 and the second friction plate 152, meanwhile, the friction between the first friction plate 151 and the second friction plate 152 can be reduced through the balls 153, and the relative sliding between the connecting block 120 and the mounting block 140 is facilitated. The lower half part of the ball 153 is positioned in the third groove, and the ball 153 is fully distributed in the third groove, so that the ball 153 can roll and the connecting block 120 can slide in the horizontal direction; the upper half of the ball 153 is disposed in the second groove 141 of the mounting block 140 to limit the range of movement of the ball 153 within the second groove 141.
In some embodiments of the present invention, the loading unit 130 includes a pressing rod 131 and a pressing head 132, the pressing rod 131 is mounted on the connecting block 120, and the pressing head 132 is mounted on the pressing rod 131. For example, as shown in fig. 3 and 5, the pressing rod 131 is mounted on the connecting block 120, and the pressing rod 131 is mounted on the pressing rod 131. Specifically, pressure head 132 detachably installs on depression bar 131, and when pressure head 132 produced wearing and tearing and led to the fact the influence to the testing result in the use, can directly guarantee the accuracy that detects through dismantling and changing pressure head 132, need not to disassemble whole dental implant fatigue test loading subassembly 100, improves the accuracy of testing result to guarantee the efficiency that detects.
In some embodiments of the present invention, the first groove 111 and the first through hole 112 cooperate to form a stepped hole, the outer diameter of the connecting block 120 is smaller than the diameter of the first groove 111 and larger than the diameter of the first through hole 112, and the diameter of the pressing rod 131 is smaller than the diameter of the first through hole 112. For example, as shown in fig. 3 and 4, the first groove 111 cooperates with the first through hole 112 to form a stepped hole. Specifically, the cross sections of the first groove 111 and the first through hole 112 are both circular, the first groove 111 and the first through hole 112 are matched to form a stepped hole, that is, the diameter of the first groove 111 is larger than that of the first through hole 112, the outer diameter of the cylindrical connecting block 120 is smaller than that of the first groove 111 and larger than that of the first through hole 112, so that when the connecting block 120 is supported in the first groove 111, a gap is formed between the connecting block 120 and the first groove 111, relative sliding between the connecting block 120 and the first groove 111 is facilitated, and the pressure lever 131 installed on the connecting block 120 can also slide along with the sliding of the connecting block 120. It is understood that the cross section of the first groove 111 and the first through hole 112 may also be square or oval, and in this embodiment, the circular groove and the circular through hole are used to facilitate the relative sliding between the connecting block 120 and the limiting device 110, and the circular groove and the circular through hole are not a specific limitation to the present invention.
In some embodiments of the present invention, the connection block 120 is T-shaped when connected to the loading unit 130. For example, as shown in fig. 3 and 5, the connecting block 120 and the loading member 130 are connected and then engaged with the stepped hole. Specifically, the connecting block 120 and the loading unit 130 are both configured to be cylindrical, and the diameter of the pressing rod 131 of the loading unit 130 is smaller than that of the first through hole 112, so that the connecting block 120 drives the loading unit 130 and the limiting device 110 to slide relatively. The connecting block 120 is T-shaped after being connected with the loading member 130, and is matched with a stepped hole formed by matching the first groove 111 and the first through hole 112, and the connecting block 120 drives the pressing rod 131 to move in the horizontal direction, so that the load is more accurately applied to the center of the loading cap.
In some embodiments of the present invention, the connecting block 120 is provided with a third threaded hole, the third threaded hole is communicated with the third groove, and the end surface of the pressing rod 131 is provided with a first threaded rod, and the first threaded rod is in threaded connection with the third threaded hole. For example, as shown in fig. 3 and 5, the first threaded rod and the third threaded hole are threadedly connected. Specifically, set up the third screw hole of intercommunication third recess on the connecting block 120, the one side that depression bar 131 is close to connecting block 120 is provided with first threaded rod, through third screw hole and first threaded rod threaded connection for depression bar 131 installs on connecting block 120, if depression bar 131 causes to damage when influencing the testing result, can directly dismantle depression bar 131 and change, need not to dismantle drive mechanism 150, improves the efficiency that detects.
In some embodiments of the present invention, a fourth threaded hole is formed on the other end surface of the pressing rod 131, and a second threaded rod is disposed on the pressing head 132, and the second threaded rod is in threaded connection with the fourth threaded hole. For example, as shown in fig. 3 and 5, the second threaded rod and the fourth threaded hole are threadedly coupled. Specifically, one side of the pressing rod 131 far away from the transmission mechanism 150 is provided with a fourth threaded hole, one side of the pressing head 132 close to the pressing rod 131 is provided with a second threaded rod, the fourth threaded hole is in threaded connection with the second threaded rod, so that the pressing head 132 is installed on the pressing rod 131, when the pressing head 132 is damaged, the pressing head 132 can be directly replaced to ensure the use of the dental implant fatigue test loading assembly 100, and the detection efficiency and the durability of the dental implant fatigue test loading assembly 100 are improved.
In some embodiments of the present invention, the limiting device 110 is provided with a plurality of first threaded holes, and one side of the mounting block 140 close to the limiting device 110 is provided with a plurality of second threaded holes, and the second threaded holes correspond to the first threaded holes one to one. Specifically, four first threaded holes are formed in the limiting device 110, four second threaded holes are also formed in one side, close to the limiting device 110, of the mounting block 140, the positions of the first threaded holes correspond to those of the second threaded holes in a one-to-one mode, and the limiting device 110 and the mounting block 140 are mounted together by screwing bolts into the first threaded holes and the second threaded holes. It is understood that the number of the threaded holes may be set according to actual requirements, and the provision of four first threaded holes and four second threaded holes in the present embodiment is not a specific limitation to the present invention.
In some embodiments of the present invention, the mounting block 140 includes a flange 142, the flange 142 is disposed on a side of the mounting block 140 away from the limiting device 110, and a plurality of fifth threaded holes 143 are formed in the flange 142. For example, as shown in fig. 1 to 4, the flange 142 is disposed on a side of the mounting block 140 away from the limiting device 110, and a plurality of fifth threaded holes 143 are opened on the flange 142. Specifically, a flange 142 is arranged on one side of the mounting block 140 away from the limiting device 110, a fifth threaded hole 143 is formed in the flange 142, the mounting block 140 is used for being connected with a fatigue testing machine, and a bolt is screwed into the fifth threaded hole 143 and the threaded hole in the fatigue testing machine, so that the mounting block 140 is mounted on the fatigue testing machine, and a load on the fatigue testing machine is conveniently transferred to the dental implant fatigue testing loading assembly 100.
In some embodiments of the present invention, there are four ball plunger assemblies 113, and the ball plunger assemblies 113 are distributed in a cross shape. Specifically, a spring is provided in the ball plunger assembly 113, by which the displacement amount of the loading member 130 can be limited each time; through being provided with four bulb plunger subassemblies 113, and be the cross distribution with four bulb plunger group valences, can follow four directions respectively and restrict loading component 130, avoid loading component 130 to produce great amount of movement, influence the result that detects, guarantee the stability in the testing process. It is understood that different numbers of ball plunger assemblies 113 can be provided according to actual detection requirements, and the use of four ball plunger assemblies 113 in the present embodiment is not a specific limitation to the present invention.
The dental implant fatigue test loading assembly 100 according to the present invention is described in detail in one specific embodiment with reference to fig. 1 to 5, it being understood that the following description is only exemplary and not a specific limitation of the present invention.
As shown in fig. 1 to 5, the mounting block 140 is mounted on the limiting device 110, a first groove 111 is formed on one side of the limiting device 110 close to the mounting block 140, a first through hole 112 communicating with the first groove 111 is formed in the limiting device 110, the connecting block 120 is limited in the circular first groove 111, the pressing rod 131 passes through the first through hole 112, the pressing head 132 is mounted on the pressing rod 131, the pressing rod 131 is mounted on the connecting block 120, and the loading component 130 and the limiting device 110 can slide relative to each other. The limiting device 110 further comprises four ball plunger assemblies 113, the ball plunger assemblies 113 are distributed in a cross shape, the ball plunger assemblies 113 extend into the first groove 111 from the side surface of the limiting device 110 and are in contact with the loading part 130, and the displacement of the loading part 130 in the horizontal direction is controlled from four directions.
Specifically, a second groove 141 with a circular cross section is formed in the mounting block 140, a third groove with a circular cross section is formed in the connecting block 120, the second groove 141 is opposite to an opening of the third groove, the first friction block is arranged in the second groove 141, the second friction block is arranged in the third groove of the connecting block 120, and the diameter of the second groove 141 is larger than that of the third groove; a ball 153 is arranged between the first friction block and the second friction block, and a third groove is fully distributed on the lower half part of the ball 153, so that the ball 153 and the connecting block 120 can synchronously move in the horizontal direction; the upper half of the ball 153 is located in the second groove 141 to limit the ball 153 from rolling in the second groove 141. The connecting block 120 is cylindrical, the outer diameter of the connecting block 120 is smaller than the diameter of the first groove 111 and larger than the diameter of the first through hole 112, so that the connecting block 120 is supported in the first groove 111, and the diameter of the pressing rod 131 is smaller than the diameter of the first through hole 112, so that when the pressing rod 131 is mounted on the connecting block 120, the pressing rod can slide along with the sliding of the connecting block 120 in the horizontal direction, and the loading component 130 has a certain degree of freedom in the horizontal direction. A first threaded hole is formed in the limiting device 110, a second threaded hole is formed in the mounting block 140, the first threaded hole is opposite to the second threaded hole in position, the limiting device 110 is connected with the mounting block 140 by screwing bolts into the first threaded hole and the second threaded hole, and the connecting block 120 can be limited from moving in the horizontal direction by arranging a transmission mechanism 150 between the mounting block 140 and the connecting block 120; the connecting block 120 and the pressure rod 131 and the pressure head 132 are connected with the threaded rod through threaded holes. The mounting block 140 is provided with a flange 142, the flange 142 is provided with a fifth threaded hole 143, and the mounting block 140 is connected with a fatigue testing machine by screwing bolts into the fifth threaded hole 143 and the threaded holes on the fatigue testing machine, so that the dental implant fatigue test loading assembly 100 is connected with the fatigue testing machine.
According to the dental implant fatigue test loading assembly 100 of the present invention, by such an arrangement, at least some effects can be achieved by setting the outer diameter of the connecting block 120 to be smaller than the diameter of the first groove 111 and larger than the diameter of the first through hole 112, and the diameter of the pressing rod 131 to be smaller than the diameter of the first through hole 112, so that the loading member 130 has a degree of freedom in the horizontal direction; the load on the fatigue testing machine can also be transmitted to the loading member 130 through the transmission mechanism 150. After the loading cap is pressed to be displaced during the load transferring process, the loading member 130 may be moved in the horizontal direction along with the movement of the loading cap, so that the load accurately acts on the central point of the loading cap in a point contact manner without displacement. Because the limiting device 110 further comprises four ball head plunger assemblies 113 distributed in a cross shape, the displacement of the loading component 130 in the horizontal direction can be limited from four directions, and the stability in the detection process is ensured. The pressure head 132 in the loading component 130 is detachably arranged on the pressure rod 131, and can be directly detached and replaced when the pressure head 132 is damaged in the detection process, the dental implant fatigue test loading component 100 does not need to be reinstalled, and the detection efficiency is improved.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (10)
1. A dental implant fatigue test loading assembly, comprising:
mounting blocks;
the limiting device is provided with a first groove and a first through hole, the first through hole is communicated with the first groove, the limiting device further comprises a plurality of ball head plunger assemblies, the ball head plunger assemblies extend into the first groove from the side face of the limiting device, the mounting block is mounted on the limiting device, and the mounting block is positioned on one side, provided with the first groove, of the limiting device;
the connecting block is arranged in the first groove, the connecting block and the limiting device can slide relatively, the connecting block is in contact with the ball head plunger assembly, and the ball head plunger assembly is used for limiting the displacement of the connecting block;
the loading component penetrates through the first through hole and is connected with the connecting block.
2. The dental implant fatigue test loading assembly of claim 1, further comprising a transmission mechanism, wherein the transmission mechanism comprises a first friction plate, a second friction plate and a ball, the mounting block is provided with a second groove, the connecting block is provided with a third groove, the second groove is opposite to the opening of the third groove, the first friction plate is disposed in the second groove, the second friction plate is disposed in the third groove, and the ball is disposed between the first friction plate and the second friction plate.
3. The dental implant fatigue test loading assembly of claim 1, wherein the loading member comprises a compression bar and a pressure head, the compression bar is mounted on the connecting block, and the pressure head is mounted on the compression bar.
4. The dental implant fatigue test loading assembly of claim 1, wherein the first recess and the first through hole cooperate to form a stepped hole, the outer diameter of the connecting block is smaller than the diameter of the first recess and larger than the diameter of the first through hole, and the diameter of the pressure rod is smaller than the diameter of the first through hole.
5. The dental implant fatigue test loading assembly of claim 1, wherein the connecting block is T-shaped when connected to the loading member.
6. The dental implant fatigue test loading assembly according to claim 3, wherein a third threaded hole is formed in the connecting block, the third threaded hole is communicated with the third groove, a first threaded rod is arranged on an end surface of the pressing rod, and the first threaded rod is in threaded connection with the third threaded hole.
7. The dental implant fatigue test loading assembly of claim 6, wherein a fourth threaded hole is provided on the other end surface of the compression bar, and a second threaded rod is provided on the compression head, and the second threaded rod is in threaded connection with the fourth threaded hole.
8. The dental implant fatigue test loading assembly of claim 1, wherein the limiting device is provided with a plurality of first threaded holes, one side of the mounting block close to the limiting device is provided with a plurality of second threaded holes, and the second threaded holes correspond to the first threaded holes in a one-to-one manner.
9. The dental implant fatigue test loading assembly of claim 1, wherein the mounting block includes a flange disposed on a side of the mounting block remote from the stop device, the flange having a plurality of fifth threaded holes formed therein.
10. The dental implant fatigue test loading assembly of claim 1, wherein there are four ball plunger assemblies, the ball plunger assemblies being distributed in a cross.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010744704.5A CN111982652A (en) | 2020-07-29 | 2020-07-29 | Dental implant fatigue test loading assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010744704.5A CN111982652A (en) | 2020-07-29 | 2020-07-29 | Dental implant fatigue test loading assembly |
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| Publication Number | Publication Date |
|---|---|
| CN111982652A true CN111982652A (en) | 2020-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010744704.5A Pending CN111982652A (en) | 2020-07-29 | 2020-07-29 | Dental implant fatigue test loading assembly |
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| CN (1) | CN111982652A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115290481A (en) * | 2022-08-05 | 2022-11-04 | 西南交通大学 | Dental implant thread corrosion fatigue test device and test method thereof |
-
2020
- 2020-07-29 CN CN202010744704.5A patent/CN111982652A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115290481A (en) * | 2022-08-05 | 2022-11-04 | 西南交通大学 | Dental implant thread corrosion fatigue test device and test method thereof |
| CN115290481B (en) * | 2022-08-05 | 2024-02-02 | 西南交通大学 | Dental implant thread corrosion fatigue test device and test method thereof |
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