CN208877173U - A kind of dentistry armrest of seat location locking mechanism - Google Patents
A kind of dentistry armrest of seat location locking mechanism Download PDFInfo
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- CN208877173U CN208877173U CN201720977030.7U CN201720977030U CN208877173U CN 208877173 U CN208877173 U CN 208877173U CN 201720977030 U CN201720977030 U CN 201720977030U CN 208877173 U CN208877173 U CN 208877173U
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Abstract
The utility model discloses a kind of dentistry armrest of seat location locking mechanisms, upper end including slideway described in armrest body and first connecting rod is equipped with the second connecting rod, the bayonet unit includes frame, the left end of first spring is equipped with top plate, the right side upper end of the armrest body is equipped with first rotating shaft, the upper end of the first rotating shaft is equipped with link block, and the upper end of the link block is equipped with belt, and the left end of the belt is equipped with inserted link.The dentistry armrest of seat location locking mechanism, pass through the effect of the elastic force of third spring, pass through the cooperation of armrest body and third spring, pass through the cooperation of the first convex block and the first groove in bayonet unit, pass through the effect of second spring elastic force, pass through the cooperation of inserted link and top plate, pass through the cooperation of top plate and the first spring, pass through the effect of frame, arm can be made preferably to be fixed on handrail, the people for facilitating fixed different thicknesses arm avoids trouble caused by short time work is moved because of patient, facilitates work.
Description
Technical field
The utility model relates to dental chair technical field, specially a kind of dentistry armrest of seat location locking mechanism.
Background technique
Dental chair is used mainly for the inspection and treatment of operation on oral cavity and mouth disease.Electrodynamic type dental chair is mostly used at present,
Complete machine nationality bottom plate is fixed on ground, and is coupled bottom plate with the top of dental chair by bracket, and the movement of dental chair is controlled by chair
The control switch of back, its working principle is that: control switch starting motor operation simultaneously drives transmission mechanism to work, and makes dental chair
Corresponding component generates movement.According to treatment needs, manipulation and control switch button, the achievable up and down of dental chair bow, face upward body
It position and the movement such as resets, such as application No. is 201320657285.7 utility model patent includes handrail axis, handrail, handrail
Spring and last item, one end of the handrail axis are used to be connected to the sitting frame of dental chair, and the other end is used to connect the one of handrail
End, the handrail are equipped with insert pin, and the handrail axis is equipped with limiting slot, and the insert pin is for being connected to limiting slot
Interior, the cell wall of the limiting slot is equipped with location hole, and the other end of the handrail is connected by handrail spring with last item, although
It solves the problems, such as so that patient is convenient in upper and lower dental chair but for arm can be made preferably to be fixed on handrail,
The problem of people for facilitating fixed different thicknesses arm avoids trouble caused by short time work is moved because of patient, facilitates work
What is solved is not also fine.
Utility model content
The purpose of this utility model is to provide a kind of dentistry armrest of seat location locking mechanisms, to solve above-mentioned background technique
The problem of middle proposition.
To achieve the above object, the utility model provides the following technical solutions: a kind of dentistry armrest of seat location locking mechanism,
Including armrest body and first connecting rod, the right end of the armrest body is equipped with first connecting rod, the inner wall of the armrest body
Upper end is equipped with third spring, and the right end of the third spring is connected with sliding block, and the upper end outer wall of the sliding block is equipped with slideway, described
Sliding block matches with slideway, and the lower end of the sliding block is equipped with convex clip block, and the right end of the convex clip block is equipped with recessed fixture block, the convex clip
Block matches with recessed fixture block, and the upper end of the slideway is equipped with the second connecting rod, and the left side upper end of the armrest body is equipped with buckle
Device, the bayonet unit include frame, and the right end of the frame is equipped with the first groove, and the right end of first groove is equipped with the
One convex block, the right end of first convex block are connected with second spring, and the left end of the frame is equipped with the first spring, first bullet
The left end of spring is equipped with top plate, and the right side upper end of the armrest body is equipped with first rotating shaft, and the upper end of the first rotating shaft, which is equipped with, to be connected
Block is connect, the upper end of the link block is equipped with belt, and the left end of the belt is equipped with inserted link.
Preferably, the outer wall of the first connecting rod is equipped with dental chair main body, and the upper end of the first connecting rod is equipped with the
Two grooves, the upper end of second groove are equipped with the second convex block, and the inner wall of second convex block is equipped with turntable, the turntable it is interior
Wall is equipped with the second shaft, and the upper end of second shaft is equipped with bull stick.
Preferably, the upper end of the armrest body is equipped with rubber layer.
Preferably, the outer wall of first spring is equipped with spring base.
Preferably, the outer wall of the bull stick is equipped with plastic sheath.
Compared with prior art, the utility model has the beneficial effects that the dentistry armrest of seat location locking mechanism passes through the
The effect of the elastic force of three springs passes through convex clip by the cooperation of sliding block and slideway by the cooperation of armrest body and third spring
The cooperation of block and recessed fixture block is led to by the cooperation of first rotating shaft and link block by the cooperation of link block and belt and inserted link
The cooperation for crossing inserted link and bayonet unit passes through second spring bullet by the cooperation of the first convex block and the first groove in bayonet unit
The effect of power can be made by the cooperation of top plate and the first spring by the effect of frame by the cooperation of inserted link and top plate
Arm is preferably fixed on handrail, facilitates the people of fixed different thicknesses arm, avoid short time work because patient it is dynamic caused by
Trouble, facilitate work.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the bayonet unit structural schematic diagram of the utility model；
Fig. 3 is the first connecting rod structural schematic diagram of the utility model.
In figure: 1, armrest body, 2, rubber layer, 3, recessed fixture block, 4, first connecting rod, 5, first rotating shaft, 6, link block, 7,
Belt, 8, inserted link, 9, slideway, the 10, second connecting rod, 11, bayonet unit, 111, frame, 112, top plate, the 113, first groove,
114, the first spring, 115, second spring, the 116, first convex block, 12, third spring, 13, sliding block, 14, convex clip block, 15, second
Groove, the 16, second convex block, 17, plastic sheath, 18, bull stick, 19, dental chair main body, the 20, second shaft, 21, turntable, 22, spring
Seat.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of dentistry armrest of seat location locking mechanism, packet
Armrest body 1 and first connecting rod 4 are included, the right end of armrest body 1 is equipped with first connecting rod 4, and the upper end of armrest body 1 is equipped with rubber
Glue-line 2, rubber layer 2 plays the role of protecting armrest body 1 and protects convex clip block 14 and recessed fixture block 3, outside first connecting rod 4
Wall is equipped with dental chair main body 19, and dental chair main body 19 is connected by first connecting rod 4 with armrest body 1, needs to adjust and stretch
When contracting armrest body 1, by rotating clockwise bull stick 18, bull stick 18 drives the second shaft 20 to rotate clockwise, the second shaft 20
Turntable 21 is driven to rotate clockwise, turntable 21 drives the second convex block 16 to rotate clockwise, and passes through the second convex block 16 and the second groove
15 cooperation drives first connecting rod 4 to move right, thus make it to the internal motion of dental chair main body 19, it can be according to not
Suitable position is adjusted with people, the upper end of first connecting rod 4 is equipped with the second groove 15, and it is convex that the upper end of the second groove 15 is equipped with second
Block 16, the inner wall of the second convex block 16 are equipped with turntable 21, and the inner wall of turntable 21 is equipped with the second shaft 20, and the upper end of the second shaft 20 is set
There is bull stick 18, the outer wall of bull stick 18 is equipped with plastic sheath 17, and plastic sheath 17 plays the role of protecting bull stick 18, and patient's arm, which is put into, to be helped
Different according to the thickness of different human arms when in hand main body 1, the degrees of expansion of convex clip block 14 and recessed fixture block 3 is also different, and arm is thick
People when putting, squeeze convex clip block 14 and recessed fixture block 3, expand outwardly it, pass through its mating reaction and sliding block 13 and slideway
9 cooperation limit, makes convex clip block 14 and recessed fixture block 3 that spaced motion be kept inwardly to step up by the effect of 12 elastic force of third spring
Arm, rotation first rotating shaft 5 swing it to the left, drive link block 6 and belt 7 to swing to the left, by the inserted link of 7 left end of belt
It is inserted into bayonet unit 11, according to the effect of 115 elastic force of second spring and the cooperation of the first convex block 116 and the first groove 113
Effect, is pressed downward inserted link 8, and according to the difference of the thickness of arm, the position being clamped downwards is also changed correspondingly, at the end of, to pusher
Dynamic inserted link 8, inserted link 8, which squeezes top plate 112, moves right it, so that the first convex block 116 is detached from the first groove 113, inserted link is extracted,
Arm is withdrawn from, the inner wall upper end of armrest body 1 is equipped with third spring 12, and the spring ratio of third spring 12 is 3N/cm, third
The right end of spring 12 is connected with sliding block 13, and the upper end outer wall of sliding block 13 is equipped with slideway 9, and sliding block 13 matches with slideway 9, sliding block 13
Lower end be equipped with convex clip block 14, the right end of convex clip block 14 is equipped with recessed fixture block 3, and convex clip block 14 matches with recessed fixture block 3, slideway 9
Upper end is equipped with the second connecting rod 10, and the left side upper end of armrest body 1 is equipped with bayonet unit 11, and bayonet unit 11 includes frame 111,
The right end of frame 111 is equipped with the first groove 113, and the right end of the first groove 113 is equipped with the first convex block 116, the first convex block 116
Right end is connected with second spring 115, and the spring ratio of second spring 115 is 2N/cm, and the left end of frame 111 is equipped with the first spring
114, the spring ratio of the first spring 114 is 5N/cm, and the outer wall of the first spring 114 is equipped with spring base 22, and spring base 22 plays
Protect the effect of the first spring 114, the left end of the first spring 114 is equipped with top plate 112, and the right side upper end of armrest body 1 is equipped with the
One shaft 5, the upper end of first rotating shaft 5 are equipped with link block 6, and the upper end of link block 6 is equipped with belt 7, and the left end of belt 7, which is equipped with, inserts
Bar 8.
It is different according to the thickness of different human arms when patient's arm is put on armrest body 1, convex clip block 14 and recessed fixture block 3
Degrees of expansion it is also different, when the thick people of arm puts, squeeze convex clip block 14 and recessed fixture block 3, expand outwardly it, pass through it
Mating reaction and the cooperation of sliding block 13 and slideway 9 limit, make convex clip block 14 and recessed fixture block 3 keep spaced motion, pass through third
The effect of 12 elastic force of spring, inwardly steps up arm, and rotation first rotating shaft 5 swings it to the left, drives link block 6 and belt 7
It swings, the inserted link of 7 left end of belt is inserted into bayonet unit 11, according to the effect and first of 115 elastic force of second spring to the left
The mating reaction of convex block 116 and the first groove 113, is pressed downward inserted link 8, according to the difference of the thickness of arm, the position that is clamped downwards
It sets and also changes correspondingly, at the end of, inserted link 8 is pushed backward, and inserted link 8, which squeezes top plate 112, moves right it, makes the first convex block 116
It is detached from the first groove 113, inserted link is extracted, arm is withdrawn from.
In the description of the present invention, it should be understood that term " coaxial ", " bottom ", " one end ", " top ", " in
The orientation of the instructions such as portion ", " other end ", "upper", " side ", " top ", "inner", " front ", " center ", " both ends " or position are closed
System is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, rather than
The device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot
It is construed as a limitation of the present invention.
In the present invention unless specifically defined or limited otherwise, term " installation ", " setting ", " connection ", " Gu
Calmly ", the terms such as " being screwed on " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；
It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly, for this field
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of dentistry armrest of seat location locking mechanism, including armrest body (1) and first connecting rod (4), the armrest body
(1) right end is equipped with first connecting rod (4), it is characterised in that: the inner wall upper end of the armrest body (1) is equipped with third spring
(12), the right end of the third spring (12) is connected with sliding block (13), and the upper end outer wall of the sliding block (13) is equipped with slideway (9),
The sliding block (13) matches with slideway (9), and the lower end of the sliding block (13) is equipped with convex clip block (14), the convex clip block (14)
Right end is equipped with recessed fixture block (3), and the convex clip block (14) matches with recessed fixture block (3), and the upper end of the slideway (9) is equipped with second and connects
The left side upper end of extension bar (10), the armrest body (1) is equipped with bayonet unit (11), and the bayonet unit (11) includes frame
(111), the right end of the frame (111) is equipped with the first groove (113), and it is convex that the right end of first groove (113) is equipped with first
The right end of block (116), first convex block (116) is connected with second spring (115), and the left end of the frame (111) is equipped with the
The left end of one spring (114), first spring (114) is equipped with top plate (112), and the right side upper end of the armrest body (1) is set
Have first rotating shaft (5), the upper end of the first rotating shaft (5) is equipped with link block (6), and the upper end of the link block (6) is equipped with belt
(7), the left end of the belt (7) is equipped with inserted link (8).
2. a kind of dentistry armrest of seat location locking mechanism according to claim 1, it is characterised in that: the first connecting rod
(4) outer wall is equipped with dental chair main body (19), and the upper end of the first connecting rod (4) is equipped with the second groove (15), and described second
The upper end of groove (15) is equipped with the second convex block (16), and the inner wall of second convex block (16) is equipped with turntable (21), the turntable
(21) inner wall is equipped with the second shaft (20), and the upper end of second shaft (20) is equipped with bull stick (18).
3. a kind of dentistry armrest of seat location locking mechanism according to claim 1, it is characterised in that: the armrest body
(1) upper end is equipped with rubber layer (2).
4. a kind of dentistry armrest of seat location locking mechanism according to claim 1, it is characterised in that: first spring
(114) outer wall is equipped with spring base (22).
5. a kind of dentistry armrest of seat location locking mechanism according to claim 2, it is characterised in that: the bull stick (18)
Outer wall is equipped with plastic sheath (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720977030.7U CN208877173U (en) | 2017-08-07 | 2017-08-07 | A kind of dentistry armrest of seat location locking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720977030.7U CN208877173U (en) | 2017-08-07 | 2017-08-07 | A kind of dentistry armrest of seat location locking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208877173U true CN208877173U (en) | 2019-05-21 |
Family
ID=66489710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720977030.7U Active CN208877173U (en) | 2017-08-07 | 2017-08-07 | A kind of dentistry armrest of seat location locking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208877173U (en) |
-
2017
- 2017-08-07 CN CN201720977030.7U patent/CN208877173U/en active Active
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