CN209625589U - Oral teaching analog meter with angle modulation function - Google Patents

Abstract

The utility model relates to a kind of oral teaching analog meters with angle modulation function, including body of maxilla and mandibular body, which is characterized in that the lower section connecting neck portion part of mandibular body, the lower end of neck member connect upper trunk support body；Angle adjusting mechanism is provided between body of maxilla and mandibular body, the adjusting rod including two cross-articulations, the inner end of adjusting rod is provided with lantern ring, and lantern ring ring set is connected to circular shaft, a positioning plug-in unit is vertically fixed on lantern ring；Circular shaft upper ring cap is fixedly connected with two circular adjusting plates, and adjustment hole is arranged on circular adjusting plate, in the positioning plug-in unit insertion adjustment hole on lantern ring.Adjusting angle mechanism is arranged in the utility model between body of maxilla and mandibular body, to adjust and position the open angle in oral cavity；Torso support, neck member are added, convenient for stablizing maxillary assemblies, lower jaw component；Upper torso support flexible realizes side-sway support, provides specification for care operation and stable operating environment.

Description

Oral teaching analog meter with angle modulation function

Technical field

The utility model belongs to teaching aid, and in particular to a kind of oral teaching analog meter with angle modulation function.

Background technique

Currently used oral teaching model is as shown in Figure 1, 2, only has the upper jaw, lower jaw, gum, tooth.Teaching class Cheng Zhong has the following problems when carrying out care operation: 1) angle that oral cavity is opened cannot keep stabilization, when care operation, oral cavity Opening state instability；2) when care operation, usual oral cavity model is in the state laterally put, and lies on one's side relative to human body When oral cavity state, since the upper jaw, lower jaw are arc-shaped, entire model is unstable when laterally putting, and when care operation can not stop to shake Pendulum floats, and influences the normalization and accuracy of operation, influences quality of instruction；3) since model two sides do not have cheek part, work as shield When using flushing pipe, negative-pressure suction pipe in reason operation, pipeline it is appropriate can not to be placed in cavity interior at all directly through oral cavity Position, cause to operate lack of standardization, influence to impart knowledge to students.Therefore, the clergy of our unit devises the model for being more suitable for teaching.

Summary of the invention

When the utility model is mainly for care operation is carried out, the open angle of oral teaching model cannot keep stabilization, And model floats unstable disadvantage because not having fixed support, and has invented a kind of oral teaching analog meter with angle modulation function Adjusting angle mechanism is arranged in device between body of maxilla and mandibular body, to adjust and position the open angle in oral cavity；Trunk branch is added again Support member, neck member, cheek layer, convenient for stablizing maxillary assemblies, lower jaw component and other care implements；Upper torso support is scalable Deformation realizes side-sway support, provides specification for care operation and stable operating environment.

The above-mentioned technical problem of the utility model is carried out by the following technical programs: a kind of with angle modulation function Oral teaching analog meter including maxillary assemblies and the hinged lower jaw component of maxillary assemblies, is located at maxillary assemblies and lower jaw component Between tongue body, the maxillary assemblies connect and compose by body of maxilla, upper dental bed, above-listed tooth, the lower jaw component by mandibular body, under Gum, following tooth connect and compose, which is characterized in that the lower section connecting neck portion part of the mandibular body, the lower end of neck member connect Trunk support body；Angle adjusting mechanism is provided between the body of maxilla and mandibular body.

The neck member is set as column, and the ball connector of a spheroidal, the lower jaw are fixed in the upper end of neck member The sphere installation slot of a spherical indent is fixedly connected on the face directed downwardly of body, then ball connector is embedded in sphere installation slot In.

Cooperation between ball connector and sphere installation slot cannot too closely, can not gap it is excessive, sphere connection There is certain frictional force between part and sphere installation slot, need certain external force to make its rotation, and in no external force Relative rotation will not be generated when effect；Specifically, can be in the external sheath rubber layer of ball connector, and sphere installation slot is modeling Material.

The mandibular body, and the hinged side of the body of maxilla shaft bearing plate that be provided with two parallel have axis hole on shaft bearing plate, A circular shaft is fixedly connected in the axis hole of two bearings plate.

The body of maxilla is set as hollow shell, including be located above upper jaw upper plate, underlying upper jaw lower plate, Upper jaw side plate positioned at surrounding side, wherein one side of the body of maxilla close to hinged place is set as being open, which fixes an axis Set, the axle sleeve ring set are connected to the circular shaft.

Angle adjusting mechanism is arranged in the inside of the body of maxilla, and angle adjusting mechanism includes the adjusting rod of two cross-articulations, Hinge hole is arranged in the middle part of adjusting rod, connects shaft in hinge hole, shaft is perpendicularly fixed at the upper jaw upper plate of body of maxilla, adjusting rod Inner end pass through the opening of body of maxilla, which is provided with lantern ring, and lantern ring ring set is connected to the circular shaft, vertically fixes on lantern ring One positions plug-in unit, has aperture on the upper jaw side plate of the separate hinge point of the body of maxilla, the outer end of the adjusting rod passes through The opening.

One section of spring is connected between two adjusting rod, spring is between hinge point and outer end.

The circular shaft upper ring cap is fixedly connected with two circular adjusting plates, and two circular adjusting plates are located at the axle sleeve Two sides, are arranged several adjustment holes on each circular adjusting plate, adjustment hole circumferentially arc-shaped arrangement, the boom end that adjusts Lantern ring is located at the outside of circular adjusting plate, and the positioning plug-in unit on lantern ring is extended vertically towards circular adjusting plate, also, positions plug-in unit It is inserted into adjustment hole.

Under the action of the spring, the original state of angle adjusting mechanism is: positioning plug-in unit is connected to adjustment hole；Carry out angle When adjusting, external force extends to the outside the inner end of adjusting rod in the outer end of adjusting rod, compressed spring, and then makes to position plug-in unit It is detached from adjustment hole；At this point, body of maxilla can freely be overturn, after overturning to appropriate location, cancel active force, the outer end of adjusting rod is in bullet It is inwardly sprung back under the action of spring, positioning plug-in unit reinserts in adjustment hole.

Preferably, the outer end setting of the adjusting rod folds spanner, the outer end that spanner passes through pin shaft and adjusting rod is folded Hingedly；The adjusting rod is arranged to the batten of bending, and one section of plate close to inner end is vertical with circular shaft, close to the one of outer end Section plate is vertical with circular shaft, is the plate of one section of relative tilt between two sections of plates.It is arc-shaped to fold spanner, and can after folding It is close to the side wall of body of maxilla, when adjusting rod and to fold the spanner angle that is in be 180 degree, folds the end phase of spanner and adjusting rod It mutually contradicts and forms limit；Spanner is folded as the extension for adjusting boom end, provides the point of application of finger；When adjusting angle When, two fingers are pressed respectively against the outside of even folding spanner, while pressing from both sides to internal pressure.

Preferably, the upper trunk support body is connected by the left support body for being located at left side with the right support body positioned at right side It constitutes, the width ratio of left support body and right support body is 3:1, wherein left support body is set as hollow shell, right support physical efficiency Enough it is completely embedded into the inside of left support body.

The anterior part of chest setting of the left support body is there are two the location hole of hollow out, and one of location hole is close to left support body Left side edge, another location hole is close to the middle part of left support body, and the line of two location holes is perpendicular to upper trunk branch The central axis of support body.

The outer surface of the anterior part of chest of the right support body is provided at least one relatively raised flexible positioning piece, and elasticity is fixed Position part is close to the left side edge of right support body, which includes the truncated cone-shaped pedestal for being connected to right support body, pedestal Edge connects three metal clips, and three metal clips are radial centered on the center of pedestal to be uniformly distributed, metal clips Outer end be fixed on the edge of pedestal, the arc-shaped evagination of metal clips and extend to center, the inner end of three metal clips is simultaneously It is fixedly connected with a snap-on, which can be inserted into respectively in two location holes of the left support body.

When care operation, oral cavity model part is typically in side-sway state, and upper torso support may be at lying type State or side state；It is general simply to use side state in curricula, more meet reality；Upper torso support simulates people The upper trunk of body, using plastic material, left support body and right support body can be set to hollow shell, and left support body is half-open Mouthful, right support body be it is totally-enclosed, in order to improve the stability of support, the weight of upper torso support cannot kick the beam, it is necessary to reach Certain weight demands, when guaranteeing care operation, whole do not move is not shaken.

Above-mentioned flexible positioning piece uses metal elastic chip resilient structures, compared with spring resilient structures, has rebound steady It is fixed not shake and connect stronger advantage.

Preferably, the inner surface of the anterior part of chest of the left support body, and the two sides of two location holes are provided with together Form the first guide chute relative to the guide part of protrusion, between the parallel guide part of twice, the first guide chute is from left support The left side edge of body extends to middle part；The guide part parallel with described two is corresponding, in the anterior part of chest of the right support body The guiding caulking groove that upper surface and the two sides of flexible positioning piece setting twice are recessed, then the lower part of guide-localization part can be embedded in guiding In caulking groove and form translation gliding.

When left support body and right support body relative translation are slided, guide part, the first guide chute, guiding caulking groove assist jointly Make to translate the guiding stably translational along setting.

Preferably, the inner surface of the back part of the left support body is provided with the second guide chute of twice recess, the Two guide chutes are parallel with the first guide chute, and the second guide chute of twice is located at the upper and lower part of left support body, the The right end of two guide chutes is provided with the first locating part to sliding slot internal projection；Meanwhile the appearance of the back part in right support body Face is provided with relatively raised twice rail guide piece parallel to each other, and twice rail guide piece respectively corresponds insertion the second guide chute of twice In, and the left end of rail guide piece is provided with the second locating part to protrusion on the outside of sliding part, then and upper trunk support body is fully deployed When state, the first locating part can mutually be contradicted with the second locating part.

When left support body and right support body relative translation are slided, the second guide chute, rail guide piece assist making to translate edge jointly Setting guiding stably translational；The first locating part and the second locating part being arranged can be avoided left support body and right support body phase Mutually it is detached from.

Preferably, the left support body is internally provided with one section of pressure spring, the central axis of pressure spring and upper trunk support body Line is vertical, and one end of pressure spring is connected to left support body, and the other end of pressure spring is connected to right support body.

Pressure spring suppress effect under, the original state of upper torso support is to be fully deployed；Need to be changed to side-sway shape When state, first press snap-on disengage it from location hole, meanwhile, by right support body to the left supporter inside promote, when right support body When being completely in the inside of left support body, snap-on pops up again and is inserted into be formed in location hole and fixes；At this point, by upper trunk support Part side-sway, the edge of the opening of left support body and external contact with platform；When needing to again change to lying status, first press Snap-on disengages it from location hole, meanwhile, pressure spring automatically pops up right support body outward, and fixes again by snap-on.

Preferably, the right side edge of the right support body is provided with one of balance backing plate, the balance backing plate is from right support The upper end of body extends to lower end, also, when upper trunk support body is in lying status, balances the lower edge and left support of backing plate The lower surface of the back part of body flushes.

It can be completely embedded into inside left support body to meet right support body, the outer profile height and width of right support body are equal Less than the outer profile height and width of left support body, therefore, when upper torso support is in fully unfolded position, left and right two It point can not flush, when lying status can generate floatings, float to eliminate, increase in the outer end of right support body and balance backing plate Difference in height is made up, trunk monolithic stability is balanced.

Preferably, the neck member is set as column, the lower end of neck member is fixedly connected on the upper end of left support body； Inside right support body insertion left support body and when upper torso support is in side-sway state, the body of maxilla of side-sway, side-sway Mandibular body, side-sway the lower edge of left support body be in same horizontal line.

Preferably, the outer surface of the ball connector is provided with the rotary steering ring of circle protrusion, rotary steering ring It circumferentially surround, and plane where rotary steering ring and neck member is axially vertical；Meanwhile the sphere installation slot is interior Surface is provided with the rotary steering groove of a circle indent, and the rotary steering ring is embedded in the rotary steering groove；The then opposite rotation of the two When turning, the plane internal rotation where diameter does not deviate by direction.

Preferably, being connected with the face of elastomeric material between the side edge of the body of maxilla and the side edge of mandibular body Cheek layer；Ability relative rotation after external force is received, is made with certain frictional force when relative rotation between axle sleeve and shaft Jaw body and mandibular body rotating folding；In order to not influence folding angle, the elasticity of cheek layer is larger；When care operation, flushing pipe is born After pressure suction tube protrudes into oral cavity, end can resist cheek layer, place in place by flushing pipe, negative-pressure suction pipe and carry out Care operation.

In conclusion the utility model has the advantages that compared with prior art

Adjusting angle mechanism is arranged in the utility model between body of maxilla and mandibular body, to adjust and position the opening angle in oral cavity Degree, force application part is at the outside of body of maxilla, approach clinic practical operation position；The utility model has upper torso support, neck Component is convenient for care operation for stablizing maxillary assemblies, lower jaw component；The scalable change of upper torso support of the utility model Shape, can lie low support, can side-sway support；The utility model has cheek layer, can preferably dispose and protrude into intraoral pipe Equal care implements；The utility model provides specification and stable operating environment for care operation.

Detailed description of the invention

Fig. 1 is the first currently used teaching oral cavity model；

Fig. 2 is currently used second of teaching oral cavity model；

Fig. 3 is the structural schematic diagram of the utility model；

Fig. 4 is the schematic diagram of the angle adjusting mechanism of the utility model；

Fig. 5 is the sectional view in the right view direction of the utility model；

Fig. 6 is the enlarged drawing of part A in Fig. 5；

Fig. 7 is the side-sway status diagram of the utility model；

Fig. 8 is the upper trunk support body cross-sectional view of the utility model；

Fig. 9 is the flexible positioning piece schematic diagram of the utility model；

Figure 10 is the ball connector of the utility model and the schematic diagram of sphere installation slot.

Figure label are as follows: 1, body of maxilla；10, axle sleeve；11, above-listed tooth；2, mandibular body；20, cheek layer；21, following tooth； 22, neck member；23, shaft bearing plate；24, circular shaft；3, angle adjusting mechanism；31, adjusting rod；32, lantern ring；33, plug-in unit is positioned；34, Spring；35, circular adjusting plate；36, adjustment hole；37, spanner is folded；4, left support body；41, location hole；42, guide part；43, One guide chute；44, the second guide chute；45, the first locating part；5, flexible positioning piece；51, truncated cone-shaped pedestal；52, metal elastic Piece；53, snap-on；6, right support body；61, it is oriented to caulking groove；62, rail guide piece；63, the second locating part；7, pressure spring；8, sphere connects Part；81, rotary steering ring；9, sphere installation slot；91, rotary steering groove.

Specific embodiment

The present invention will be further described with reference to the accompanying drawings and examples.

Embodiment 1:

As shown in Fig. 3 to 10, a kind of oral teaching analog meter with angle modulation function, mainly by maxillary assemblies, lower jaw group Part, tongue body, neck member, upper trunk support body are constituted.

The maxillary assemblies are from top to bottom successively made of body of maxilla 1, upper dental bed, above-listed tooth 11, and maxillary assemblies are polymer Material is integrally formed；The lower jaw component is successively made of mandibular body 2, mandible, following tooth 21 from the bottom to top, and lower jaw component is Plastic material is integrally formed.

The mandibular body 2, and the hinged side of body of maxilla 1 shaft bearing plate 23 that have two parallel have axis on shaft bearing plate 23 Hole is fixedly connected with a circular shaft 24 in the axis hole of two bearings plate 23.

The body of maxilla 1 is set as hollow shell, by be located above upper jaw upper plate, underlying upper jaw lower plate, Upper jaw side plate positioned at surrounding side connects and composes, wherein one side of the body of maxilla 1 close to hinged place is set as being open, the opening An axle sleeve 10 is fixed at place, which is connected to the circular shaft 24.

Such as in the inside setting angle regulating mechanism 3 of body of maxilla 1, angle adjusting mechanism 3 includes the adjusting of two cross-articulations There is a hinge hole at bar 31, the middle part of each adjusting rod 31, connects shaft in hinge hole, shaft is perpendicularly fixed at body of maxilla 1 Upper jaw upper plate, the inner end of each adjusting rod 31 pass through the opening of body of maxilla 1, and a lantern ring 32, the connection of 32 ring set of lantern ring are fixed in inner end In vertically fixing a positioning plug-in unit 33 on the circular shaft 24, lantern ring 32；24 upper ring cap of circular shaft is fixedly connected with two circles Adjustable plate 35, two circular adjusting plates 35 are located at the two sides of the axle sleeve 10, have multiple tune on each circular adjusting plate 35 Knothole 36, the circumferentially arc-shaped arrangement of adjustment hole 36；Above-mentioned lantern ring 32 is located at the outside of circular adjusting plate 35, on lantern ring 32 Positioning plug-in unit 33 is extended vertically towards circular adjusting plate 35, also, is positioned plug-in unit 33 and be inserted into adjustment hole 36.

Opening there are two tools on the upper jaw side plate of the separate hinge point of the body of maxilla 1, and the outer end of two adjusting rods 31 It corresponds to across opening；One section of spring 34 is connected between two adjusting rods 31, spring 34 is between hinge point and outer end；It is each The outer end connection of adjusting rod 31 folds spanner 37, and it is hinged by the outer end of pin shaft and adjusting rod 31 to fold spanner 37；The adjusting Bar 31 be arranged to bending batten, one section of plate close to inner end is vertical with circular shaft 24, close to outer end one section of plate and Circular shaft 24 is vertical, is the plate of one section of relative tilt between two sections of plates, hinge point is at the middle part of inclined plate.

The cheek layer 20 of elastomeric material is fixedly connected between the side edge of body of maxilla 1 and the side edge of mandibular body 2, In order to not influence the folding angle of body of maxilla 1 and mandibular body 2, the elasticity of cheek layer 20 is larger.

The lower section connecting neck portion part 22 of the mandibular body 1, neck member 22 is set as column, as shown in fig. 7, neck member 22 Upper end fix a ball connector 8, meanwhile, the lower surface of mandibular body 1 be fixedly connected a spherical indent sphere peace Tankage 9, then ball connector 8 is embedded in sphere installation slot 9；There is the rotation of circle protrusion to lead in the outer surface of ball connector 8 To ring 81, rotary steering ring 81 is circumferentially surround, and the plane where rotary steering ring 81 and neck member 22 is axially vertical, Meanwhile having the rotary steering groove 91 of a circle indent in the inner surface of sphere installation slot 9, then rotary steering ring 81 is embedded in the rotation and leads Into slot 91.

The lower end of the neck member 22 is fixedly connected with trunk support body, in the chamfered shape and human body of upper trunk support body The shape of trunk is similar.For ease of description, the description in orientation up and down is carried out centered on subjective by human body.Upper trunk support Body is connected and composed by the left support body 4 and right support body 6 positioned at right side that are located at left side are scalable, left support body 4 and right support The width ratio of body 6 is 3:1, wherein left support body 4 is set as hollow shell, and right support body 6 can be completely embedded into left support body 4 inside.

The location hole 41 of two hollow outs is set in the anterior part of chest of left support body 4, one of location hole 41 is close to left support The left side edge of body 4, another location hole 41 close to the middle part of left support body 4, and the line of two location holes 41 perpendicular to The central axis of upper trunk support body.

One relatively raised flexible positioning piece 5, flexible positioning piece 5 are installed in the outer surface of the anterior part of chest of right support body 6 Close to the left side edge of right support body 6, as shown in fig. 6, pedestal 51, metal clips 52, bullet of the flexible positioning piece 5 by truncated cone-shaped Button 53 is constituted, wherein and truncated cone-shaped pedestal 51 is fixed on right support body 6, and the edge of pedestal 51 is fixedly connected with three metal clips 52, Three metal clips 52 are radial centered on the center of pedestal 51 to be uniformly distributed, and pedestal is fixed in the outer end of metal clips 52 51 edge, the arc-shaped evagination of metal clips 53 and extends to center, and the inner ends of three metal clips 53 is fixedly connected with one simultaneously Cylindrical snap-on 53, the snap-on 53 can be inserted into respectively in two location holes 41 of left support body 4.

In order to keep left support body 4 parallel along the orbitally stable of setting with right support body 6, in left support body 4 and right support Guiding mechanism is added between body 6, specifically, the inner surface of the anterior part of chest in left support body 4, and the two sides of two location holes 41 are equal It is provided with the guide part 42 together relative to protrusion, forms the first guide chute of recess between the parallel guide part 42 of twice 43, the first guide chute 43 extends to middle part from the left side edge of left support body；It is corresponding with above-mentioned two parallel guide parts 42 , in the guiding caulking groove 61 of the two sides setting twice recess of the upper surface and flexible positioning piece 5 of the anterior part of chest of right support body 6, then The lower part of guide-localization part 42 can be embedded in guiding caulking groove 61 and form translation gliding；In the back part of left support body 4 The second guide chute 44 that surface also has twice to be recessed, the second guide chute 44 is parallel with the first guide chute 44, twice second Guide chute 44 is located at the upper and lower part of left support body 4, and the right end of the second guide chute 44 is provided with to sliding slot convex The first locating part 45 risen, the first locating part 45 may be configured as the flanging to infolding；Meanwhile in the back part of right support body 6 Outer surface is provided with relatively raised twice rail guide piece 62 parallel to each other, and twice rail guide piece 62 respectively corresponds insertion twice second In guide chute 44, and the left end of rail guide piece 62 is provided with the second locating part 63 of 62 outside protrusion of guide rail member, the second limit Position part 63 is settable to the flanging being folded outward, then when upper trunk support body fully unfolded position, the first locating part 45 can be with second Locating part 63 mutually contradicts, and left support body 4 and right support body 6 is avoided to be mutually disengaged.

Upper trunk support body inside connect one section of pressure spring 7, the central axis upright of pressure spring 7 and upper trunk support body, One end of pressure spring 7 is connected to left support body 4, and the other end of pressure spring 7 is connected to right support body 6；Left support body 4 is half opening, right Supporter 6 is totally-enclosed；It is poor in order to make up the size between left support body 4 and right support body 6, in the right edge of right support body 6 Edge connects a balance backing plate, which extends to lower end from the upper end of right support body 6, also, works as upper trunk support body When in lying status, the lower edge for balancing backing plate is flushed with the lower surface of the back part of left support body 4, then upper trunk support body It can place steady.

The lower end of the neck member 22 is fixedly connected on the upper end of left support body 4, when right support body 6 is embedded in left support body 4 When internal and upper torso support is in side-sway state, the body of maxilla 1 of side-sway, the mandibular body 2 of side-sway, side-sway left support body 4 lower edge is in same horizontal line, then can place when side-sway steady.

Specific embodiment described in text is only to give an example to the spirit of the present invention.Belonging to the utility model Those skilled in the art can make various modifications or additions to the described embodiments or using similar Mode substitutes, but without departing from the spirit of the present application or beyond the scope of the appended claims.

Claims (10)

1. a kind of oral teaching analog meter with angle modulation function, including maxillary assemblies, with the hinged lower jaw component of maxillary assemblies, Tongue body between maxillary assemblies and lower jaw component, the maxillary assemblies are connected by body of maxilla (1), upper dental bed, above-listed tooth (11) Composition is connect, the lower jaw component is connected and composed by mandibular body (2), mandible, following tooth (21), which is characterized in that the lower jaw The lower section connecting neck portion part (22) of body, the lower end of neck member connect upper trunk support body；

Angle adjusting mechanism is provided between the body of maxilla and mandibular body；

The neck member is set as column, and the ball connector (8) of a spheroidal, the mandibular body are fixed in the upper end of neck member Face directed downwardly on be fixedly connected with the sphere installation slot (9) of a spherical indent, then ball connector is embedded in sphere installation slot In；

The mandibular body, and the hinged side of the body of maxilla shaft bearing plate (23) that be provided with two parallel have axis hole on shaft bearing plate, A circular shaft (24) are fixedly connected in the axis hole of two bearings plate；

The body of maxilla is set as hollow shell, including be located above upper jaw upper plate, underlying upper jaw lower plate, be located at The upper jaw side plate of surrounding side, wherein one side of the body of maxilla close to hinged place is set as being open, which fixes an axle sleeve (10), which is connected to the circular shaft；

Angle adjusting mechanism (3) are arranged in the inside of the body of maxilla, and angle adjusting mechanism includes the adjusting rod of two cross-articulations (31), hinge hole is arranged in the middle part of adjusting rod, connects shaft in hinge hole, and shaft is perpendicularly fixed at the upper jaw upper plate of body of maxilla, The inner end of adjusting rod passes through the opening of body of maxilla, which is provided with lantern ring (32), and lantern ring ring set is connected to the circular shaft, lantern ring On vertically fix a positioning plug-in unit (33), there is aperture, the tune on the upper jaw side plate of the separate hinge point of the body of maxilla The outer end of pole passes through the opening；

One section of spring (34) is connected between two adjusting rod, spring is between hinge point and outer end；

The circular shaft upper ring cap is fixedly connected with two circular adjusting plates (35), and two circular adjusting plates are located at the axle sleeve Two sides are arranged several adjustment holes (36) on each circular adjusting plate, adjustment hole circumferentially arc-shaped arrangement, the adjusting rod end The lantern ring in portion is located at the outside of circular adjusting plate, and the positioning plug-in unit on lantern ring is extended vertically towards circular adjusting plate, also, positions Plug-in unit is inserted into adjustment hole.

2. the oral teaching analog meter according to claim 1 with angle modulation function, which is characterized in that the adjusting rod Outer end setting folds spanner (37), and the outer end for folding spanner by pin shaft and adjusting rod is hinged；The adjusting rod is arranged to bend Batten, one section of plate close to inner end is vertical with circular shaft, and one section of plate close to outer end is vertical with circular shaft, two sections of plates Between be one section of relative tilt plate.

3. the oral teaching analog meter according to claim 1 or 2 with angle modulation function, which is characterized in that the upper body Right support body (6) of the Heavenly Stems and Earthly Branches support body by being located at the left support body (4) in left side and positioned at right side connects and composes, left support body and right branch The width ratio of support body is 3:1, wherein left support body is set as hollow shell, and right support body can be completely embedded into left support body Inside；

The anterior part of chest setting of the left support body is there are two the location hole (41) of hollow out, and one of location hole is close to left support body Left side edge, another location hole is close to the middle part of left support body, and the line of two location holes is perpendicular to upper trunk branch The central axis of support body；

The outer surface of the anterior part of chest of the right support body is provided at least one relatively raised flexible positioning piece (5), and elasticity is fixed For position part close to the left side edge of right support body, which includes the truncated cone-shaped pedestal (51) for being connected to right support body, base The edge of seat connects three metal clips (52), and three metal clips are radial centered on the center of pedestal to be uniformly distributed, The edge of pedestal is fixed in the outer end of metal clips, the arc-shaped evagination of metal clips and extends to center, three metal clips Inner end is fixedly connected a snap-on (53) simultaneously, which can be inserted into respectively in two location holes of the left support body.

4. the oral teaching analog meter according to claim 3 with angle modulation function, which is characterized in that the left support body Anterior part of chest inner surface, and to be provided with the guide part (42) relative to protrusion, twice together flat for the two sides of two location holes It is formed between capable guide part the first guide chute (43), during the first guide chute is extended to from the left side edge of left support body Portion；The guide part parallel with described two is corresponding, upper surface and flexible positioning piece in the anterior part of chest of the right support body The guiding caulking groove (61) that twice are recessed is arranged in two sides, then the lower part of guide-localization part can be embedded in guiding caulking groove and form translation Sliding.

5. the oral teaching analog meter according to claim 4 with angle modulation function, which is characterized in that the left support body The inner surface of back part be provided with the second guide chute (44) of twice recess, the second guide chute and the first guide chute are put down Row, the second guide chute of twice are located at the upper and lower part of left support body, and the right end of the second guide chute is provided with to cunning The first locating part (45) of slot internal projection；Meanwhile the outer surface of the back part in right support body is provided with relatively raised twice Rail guide piece (62) parallel to each other, twice rail guide piece respectively corresponds in insertion the second guide chute of twice, and a left side for rail guide piece End is provided with the second locating part (63) to protrusion on the outside of sliding part, then when upper trunk support body fully unfolded position, the first limit Position part can mutually be contradicted with the second locating part.

6. the oral teaching analog meter according to claim 5 with angle modulation function, which is characterized in that the left support body Be internally provided with one section of pressure spring (7), the central axis upright of pressure spring and upper trunk support body, one end of pressure spring is connected to left branch Support body, the other end of pressure spring are connected to right support body.

7. the oral teaching analog meter according to claim 6 with angle modulation function, which is characterized in that the right support body Right side edge be provided with one of balance backing plate, which extends to lower end from the upper end of right support body, also, works as upper body When Heavenly Stems and Earthly Branches support body is in lying status, the lower edge for balancing backing plate is flushed with the lower surface of the back part of left support body.

8. the oral teaching analog meter according to claim 1 or claim 7 with angle modulation function, which is characterized in that the neck Part is set as column, and the lower end of neck member is fixedly connected on the upper end of left support body；When in right support body insertion left support body Portion and when upper torso support is in side-sway state, the body of maxilla of side-sway, the mandibular body of side-sway, side-sway left support body under Edge is in same horizontal line.

9. the oral teaching analog meter according to claim 8 with angle modulation function, which is characterized in that the sphere connection The outer surface of part is provided with the rotary steering ring (81) of circle protrusion, and rotary steering ring is circumferentially surround, and rotary steering ring The plane at place and neck member it is axially vertical；Meanwhile the inner surface of the sphere installation slot is provided with the rotation of a circle indent Guide groove (91), the rotary steering ring are embedded in the rotary steering groove.

10. the oral teaching analog meter according to claim 1 with angle modulation function, which is characterized in that the body of maxilla Side edge and mandibular body side edge between be connected with the cheek layer (20) of elastomeric material.