CN216702685U

CN216702685U - Average jaw frame

Info

Publication number: CN216702685U
Application number: CN202220173225.7U
Authority: CN
Inventors: 周茂强
Original assignee: Beijing Nuobeier Yatai Education Technology Co ltd
Current assignee: Beijing Nuobeier Yatai Education Technology Co ltd
Priority date: 2022-01-22
Filing date: 2022-01-22
Publication date: 2022-06-10
Anticipated expiration: 2032-01-22

Abstract

The utility model discloses an average value jaw frame, which comprises an upper jaw plate, a maxilla body vertical plate and a condylar ball, wherein the maxilla body vertical plate is arranged on the upper jaw plate, a limiting groove is formed in one end of the condylar ball, a lug is arranged at two ends of a condylar shaft on the maxilla body vertical plate, and the lug is spliced with the limiting groove. The average value jaw frame provided by the utility model is characterized in that the limit groove of the condyle ball on the vertical plate of the upper jaw body is matched with the lug on one end of the condyle shaft for splicing, the condyle ball and the condyle shaft are installed by splicing, and the limit groove is of a rectangular structure, so that the condyle ball and the condyle shaft cannot axially rotate after being connected, the stability in use is improved, when the condyle ball is disassembled and replaced at the later stage, the condyle ball inserted on the condyle shaft can be directly pulled out, the condyle ball and the condyle shaft can be separated, and the device is convenient to disassemble and install and is convenient for workers to replace the condyle ball at the later stage.

Description

Average jaw frame

Technical Field

The utility model relates to the technical field of dental dentures, in particular to an average value jaw frame.

Background

It is known that, when analyzing and diagnosing a dental prosthesis, a dental prosthesis needs to use a jaw frame to simulate a jaw bone and a jaw bone hinge mechanism, and then the jaw frame simulates a mouth of a human body to manufacture the dental prosthesis more suitable for the human body.

If publication number is CN214511361U, the name is "bracing mechanism of jaw frame", authorizes the utility model patent that the publication date is 20211029, it is provided with the bracing piece on the stand including rotating, when the jaw frame opened and closed the front end slope and placed up, the bracing piece was rotatory to the support column on keeping away from one side of artificial tooth, the lower extreme of bracing piece and the lower extreme of jaw frame were located same holding surface, the bracing piece was the setting of arc form, the bracing piece is outwards to the direction of keeping away from the jaw frame from the tie point with the stand to the free end and opens the setting.

The defects of the prior art including the patents are that when the jaw frame is used, the condyles and the condylar shafts on the jaw body vertical plates are of an integrated structure, and when the jaw frame is used, the condylar balls are the shaft parts of the jaw frame, namely the easily damaged parts, so that after the jaw frame is used and damaged for a long time, the integrated structure is inconvenient to replace at the later stage.

SUMMERY OF THE UTILITY MODEL

In view of the above problems of the prior art, it is an object of the present invention to provide a mean jaw rack to solve the above disadvantages of the prior art.

In order to achieve the purpose, the average value jaw rack provided by the utility model comprises an upper jaw plate, an upper jaw vertical plate arranged on the upper jaw plate, and a condylar ball, wherein one end of the condylar ball is provided with a limiting groove, two ends of a condylar shaft on the upper jaw vertical plate are provided with a lug, and the lug is spliced with the limiting groove.

Preferably, the vertical plate of the maxilla body is provided with a round hole, and the condyle axis is inserted into the round hole.

Preferably, the upper jaw body vertical plate is detachably provided with an upper jaw body plate, and flying wings are screwed on two sides of the upper jaw body plate.

Preferably, a support rod is screwed on the top of the upper jaw plate, and the support rod is perpendicular to the upper jaw plate.

Preferably, one end of the upper jaw plate is provided with a linear groove, and a cutting needle seat is detachably arranged in the linear groove.

Preferably, the bottom of the cutting and guiding needle seat is movably provided with a cutting and guiding needle.

Preferably, the jaw plate is further provided with a cutting and guiding disc, and the cutting and guiding disc is abutted to the cutting and guiding needle.

Preferably, a lower magnetic suction plate is arranged at the center of the lower jaw body plate, and a lower jaw body cross beam is arranged on one side of the lower jaw body plate away from the lower magnetic suction plate.

Preferably, a first mandible stand column and a second mandible stand column are respectively arranged at two ends of the mandible beam, arc-shaped grooves are formed in the two ends of the mandible beam, and the arc-shaped grooves are used for being matched with the condylar ball.

Preferably, the tops of the first mandible upright column and the second mandible upright column are both movably provided with a locking block through an elastic resetting piece.

In the technical scheme, the average value jaw frame provided by the utility model has the following beneficial effects: the utility model discloses a, through the epaxial lug looks joint of the last rectangular channel of condyle and condyle for both can not the axial rotate after connecting, have improved the stability after the installation, during the dismantlement, will peg graft in the epaxial condyle of condyle and directly dial out, can separate it, dismantle and simple to operate, the condyle ball is changed in the staff later stage of being convenient for.

Drawings

In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a bottom structure schematic view of the upper jaw plate and the upper jaw vertical plate of the utility model.

Description of reference numerals:

1. a mandible plate; 2. an upper jaw plate; 3. a first mandible upright post; 4. a second mandible upright post; 5. a mandible beam; 6. a vertical plate of the upper jaw body; 7. a condylar shaft; 8. a condylar ball; 9. an upper magnetic attraction plate; 10. a lower magnetic attraction plate; 11. cutting a guide needle seat; 12. cutting a guide pin; 13. cutting guide pin locking screws; 14. cutting guide pin scales; 15. a locking block; 16. cutting a guide pin assembly locking screw; 17. a cutting disc; 18. a cutting guide disc locking screw; 19. the support rod is provided with a threaded hole; 20. a median indicator needle; 21. a clamp spring; 22. a mandibular stent rubber band positioning groove; 23. cutting a guide needle tendon groove; 24. a support bar; 25. a support frame is tilted backwards; 26. a condylar shaft locking screw; 27. the upper jaw plate is connected with a screw; 28. flying wings.

Detailed Description

In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.

Referring to fig. 1-2, the average jaw support is used to solve the problem that when the jaw support is used, the condylar ball and the condylar shaft on the jaw body vertical plate are an integrated structure, and when the jaw support is used, the condylar ball is a shaft component of the device, i.e., a vulnerable component, and the integrated structure is inconvenient to replace in a later period after the jaw support is used and damaged for a long time.

The utility model further provides a technical scheme, which comprises an upper jaw plate 2, a maxilla body vertical plate 6 arranged on the upper jaw plate 2, and a condylar ball 8, wherein one end of a convex rod of the condylar ball 8 is provided with a limit groove, two ends of a condylar shaft 7 on the maxilla body vertical plate 6 are provided with a lug which is spliced with the limit groove, concretely, the limit groove on the condylar ball 8 is matched with the lug on the condylar shaft 7, the condylar ball 8 and the condylar shaft 7 are mounted by splicing, the distance between the two mounted condylar balls 8 is 110mm, a vertical plane of a plane formed by the two condylar shafts 7 is taken as a reference, the included angle between the two vertical columns and the included angle, namely the Bennett angle, is 10-20 degrees, the groove spliced with the condylar shaft 7 on the condylar ball 8 can be a rectangular structure, a circular structure or a special-shaped structure with axial limit, preferably, the limit groove is a rectangular structure, if through the square rectangular channel and the lug looks joint on the condyle 7 for both can not the axial after connecting rotate, have improved the stability after the installation, and further, have the draw-in groove on the condyle 7 and can inlay jump ring 21, make condyle 8 difficult for coming off, the jump ring is not repeated for prior art, when dismantling, will peg graft and directly dial out on condyle 7 on the condyle 8, can separate it, the staff of being convenient for changes condyle 8.

In another embodiment of the utility model, the outer walls of the two sides of the vertical maxillary plate 6 are provided with circular holes, one end of the condyle shaft 7 is inserted into the circular hole, and further, the condyle shaft 7 can be connected with the vertical maxillary plate 6 through the condyle shaft locking screw 26 in a threaded manner after being inserted into the circular hole, as shown in the state of fig. 2, the condyle shaft 7 arranged through threaded connection is convenient to replace at the later stage.

In another embodiment of the present invention, the upper jaw body plate 2 is detachably disposed on the upper jaw body plate 6, and the two sides of the upper jaw body plate 2 are screwed with the flying wings 28, the flying wings 28 are connected to the upper jaw body plate 2 through two screws, and can play a supporting role after reversing the jaw frame, further, the upper jaw body plate 6 and the upper jaw body plate 2 are detachably mounted in a threaded connection, specifically, an upper jaw body plate connecting screw 27 is disposed on the upper jaw body plate 2, and is used for connecting the upper jaw body plate 2 and the upper jaw body plate 6 in a threaded connection, and the upper jaw body plate 2 is provided with 2 positioning column holes (for mounting positioning columns when accessories are mounted) and accessory mounting holes.

In this embodiment, the upper magnetic attraction plate 9 is disposed at the bottom of the upper jaw plate 2, and the upper magnetic attraction plate 9 can cooperate with the lower magnetic attraction plate 10 on the lower jaw plate 1 to install a plaster model or other accessories.

In another embodiment of the present invention, the top of the upper jaw plate 2 is screwed with a support rod 24, and the support rod 24 is perpendicular to the upper jaw plate 2, preferably, the upper jaw plate 2 is provided with a support rod mounting threaded hole 19, as shown in fig. 1, for mounting the support rod 24.

In another embodiment of the utility model, one end of the upper jaw plate 2 is provided with a linear groove, and the linear groove is detachably provided with a cutting guide needle seat 11, the bottom of the cutting guide needle seat 11 is movably provided with a cutting guide needle 12, the lower jaw plate 1 is also provided with a cutting guide disc 17, and the cutting guide disc 17 is abutted with the cutting guide needle 12, furthermore, by taking the figure 1 as reference, the cutting guide needle seat 11 is provided with cutting guide needle scales 14, the cutting guide needle seat 11 can be arranged on the upper jaw plate 2 through a cutting guide needle assembly locking screw 16, when the upper jaw plate is disassembled, the cutting guide needle seat 11 can be taken down by rotating the cutting guide needle assembly locking screw 16, wherein the cutting guide needle seat 11 can adjust the front-back distance in the linear groove, the cutting guide needle 12 is provided with a cutting guide needle tendon groove 23 (which can form a triangular plane with a lower jaw support tendon positioning groove 22) and can be inserted into a round hole for indicating a middle position indicating needle 20, wherein, the side length of the triangular plane formed by the central indicating needle 20 and the two condyles 8 is 110mm, the cutting guide needle 12 can be inserted into the cutting guide needle seat 11 and can be locked by the cutting guide needle locking screw 13, and the up-down distance can be adjusted (the adjusting distance can be read by the cutting guide needle scale 14), wherein, the condylar guide inclination is 25-35 degrees by taking the plane formed by the 22 mandibular stent tendon positioning slots and the 23 cutting guide needle tendon slots as the reference.

The cutting guide plate 17 in this embodiment has various angles for replacement, and can be fixed on the mandible plate 1 by a cutting guide plate locking screw 18 arranged at the bottom of the mandible plate 1 and can move back and forth, as shown in the state of fig. 1.

In another embodiment of the present invention, a lower magnetic suction plate 10 is disposed at the center of the lower jaw body plate 1, a lower jaw body beam 5 is disposed on one side of the lower jaw body plate 1 away from the lower magnetic suction plate 10, further, two circular holes are disposed on the lower jaw body beam 5, and a reclining supporting frame 25 is inserted into the circular holes, and the lower jaw body plate 1 is fixed to the lower jaw body beam 5 by two bolts.

In another embodiment of the present invention, the two ends of the lower jaw body cross beam 5 are respectively provided with a first lower jaw body upright column 3 and a second lower jaw body upright column 4, and both are provided with arc-shaped grooves for matching with the condylar ball 8, and the condylar ball 8 is embedded in the linear groove, as shown in the state of fig. 1, which is the prior art, wherein the first lower jaw body upright column 3 and the second lower jaw body upright column 4 are fixed on the lower jaw body cross beam 5 through bolts.

In another embodiment of the present invention, the top of each of the first mandible column 3 and the second mandible column 4 is movably provided with a locking block 15 through an elastic reset member, preferably, the elastic reset member is a spring, further, the locking block 15 is embedded into the first mandible column 3 and the second mandible column 4 through a pin shaft, and a spring and a stainless steel ball are embedded therein, so that the locking blocks can perform a circular motion around the pin shaft, which is the prior art and is not described in detail, and the locking blocks can be lifted or put down to move or lock 8 condylar balls, so as to lock 7 condylar shafts.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the utility model.

Claims

1. The average value jaw frame comprises an upper jaw plate (2) and a maxilla vertical plate (6) arranged on the upper jaw plate (2), and is characterized by further comprising a condylar ball (8), wherein one end of the condylar ball (8) is provided with a limiting groove, two ends of a condylar shaft (7) on the maxilla vertical plate (6) are provided with a convex block, and the convex block is spliced with the limiting groove.

2. The average value jaw rack of claim 1, wherein the vertical maxillary plate (6) is provided with a circular hole, and the condyle shaft (7) is inserted into the circular hole.

3. The average value jaw rack according to claim 1, characterized in that the upper jaw body plate (2) is detachably arranged on the upper jaw body riser (6), and flying wings (28) are screwed on two sides of the upper jaw body plate (2).

4. The mean value jaw rack according to claim 1, characterized in that the top of the upper jaw plate (2) is screwed with a support bar (24), and the support bar (24) is perpendicular to the upper jaw plate (2).

5. The average value jaw frame according to claim 1, characterized in that a linear groove is opened on one end of the upper jaw plate (2), and a cutting needle seat (11) is detachably arranged in the linear groove.

6. The average value jaw rack of claim 5, characterized in that the bottom of the cutting guide needle seat (11) is movably provided with a cutting guide needle (12).

7. The average value jaw rack according to claim 1, characterized by further comprising a mandible body plate (1), wherein a cutting guide disc (17) is arranged on the mandible body plate (1), and the cutting guide disc (17) is abutted with the cutting guide pin (12).

8. The average value jaw rack according to claim 7, characterized in that a lower magnetic suction plate (10) is arranged in the center of the lower jaw body plate (1), and a lower jaw body crossbeam (5) is arranged on the side of the lower jaw body plate (1) remote from the lower magnetic suction plate (10).

9. The average value jaw rack of claim 8, characterized in that the jaw body crossbeam (5) is provided with a first jaw body upright (3) and a second jaw body upright (4) at two ends, and both are provided with arc-shaped grooves for matching with the condylar ball (8).

10. The average value jaw rack of claim 9, wherein the tops of the first jaw body upright column (3) and the second jaw body upright column (4) are movably provided with a locking block (15) through an elastic resetting piece.