CN209203926U - A kind of dental comprehensive therapeutic chair of brake rotation instrument arm - Google Patents
A kind of dental comprehensive therapeutic chair of brake rotation instrument arm Download PDFInfo
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- CN209203926U CN209203926U CN201821352538.9U CN201821352538U CN209203926U CN 209203926 U CN209203926 U CN 209203926U CN 201821352538 U CN201821352538 U CN 201821352538U CN 209203926 U CN209203926 U CN 209203926U
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- wall surface
- main shaft
- ball bearing
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- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The utility model discloses a kind of medical dental appliances, in particular to a kind of dental comprehensive therapeutic chair of brake rotation instrument arm, it includes chair body, pivoted arm, mounting blocks, mounting blocks are mounted on chair body, the end of pivoted arm is fixedly connected with the connecting plate being laterally arranged, the top of connecting plate is arranged in mounting blocks, connecting plate is equipped with vertically arranged rotation hole, rotation hole is set with vertically arranged main shaft screw, the bar portion of main shaft screw is connected with the mounting block after passing through rotation hole from the bottom up, pivoted arm can be rotated around main shaft screw, mounting blocks are connected with vertically arranged mark closely, the lower end connection hoodle marked closely, hoodle and spring is equipped between marking closely, spring pushes hoodle to be pressed downward, hoodle is abutted with the upper wall surface of connecting plate, the first Plane Ball bearing being laterally arranged is equipped between the upper wall surface of connecting plate and the lower wall surface of mounting blocks.This programme provides a kind of dental comprehensive therapeutic chair of novel brake rotation instrument arm, can realize rotating freely and freely braking for instrument arm.
Description
Technical field
The utility model relates to the field of medical dental appliance, in particular to a kind of dentistry of brake rotation instrument arm is comprehensive
Close treatment chair.
Background technique
Many instrument arms domestic at present can only accomplish one-side rotation or subtle spin brake.Medical instrument is to close
Where safety when patient treats, present dental clinic ground in finishing is not more or less consistent level, if device
Tool arm, which only can only be freely rotated, cannot play free brake, and the Medical Devices or drug being placed on pallet will be with devices
Tool arm is freely rotated, it is possible to malpractice when according at treatment.
Utility model content
Technical problem to be solved by the utility model is: combining the above existing technology, a kind of novel brake rotation is provided
The dental comprehensive therapeutic chair for turning instrument arm can realize rotating freely and freely braking for instrument arm.
The solution that the utility model solves its technical problem is: a kind of dental comprehensive therapeutic of brake rotation instrument arm
Chair comprising chair body, pivoted arm, mounting blocks, the pivoted arm and mounting blocks are rotatablely connected, and the mounting blocks are mounted on chair body
On, the end of the pivoted arm is fixedly connected with the connecting plate being laterally arranged, and the top of connecting plate is arranged in the mounting blocks,
The connecting plate is equipped with vertically arranged rotation hole, and the rotation hole is set with vertically arranged main shaft screw, described
The bar portion of main shaft screw is connected with the mounting block after passing through rotation hole from the bottom up, and the pivoted arm can be rotated around main shaft screw, institute
The mounting blocks stated be connected with it is vertically arranged mark closely, the described lower end connection hoodle marked closely, the hoodle and between marking closely
Equipped with spring, the spring pushes hoodle to be pressed downward, and the hoodle is abutted with the upper wall surface of connecting plate, so that marking closely can lock
The rotation of the connecting plate is equipped with the be laterally arranged between the upper wall surface of the connecting plate and the lower wall surface of mounting blocks
One Plane Ball bearing, the first Plane Ball bearing holder (housing, cover) is on main shaft screw, the first Plane Ball bearing
Ball be separately connected the upper wall surface of plate, mounting blocks lower wall surface abut so that the lower wall of the upper wall surface of connecting plate and mounting blocks
Face is to be in rolling contact.
As a further improvement of the above technical scheme, the upper wall surface of the connecting plate is equipped with Corrugation pad annular in shape
Piece, the corrugated gasket are sleeved on main shaft screw, and the hoodle is abutted with corrugated gasket.
As a further improvement of the above technical scheme, the side wall of marking closely is equipped with external screw thread, and the mounting blocks are set
There is the threaded hole to match with external screw thread, threaded hole is vertically arranged, and described marking closely is threadedly coupled by threaded hole with mounting blocks.
As a further improvement of the above technical scheme, described to mark closely equipped with several, several are marked closely around main shaft spiral shell
Silk is circumferentially alternatively arranged setting.
As a further improvement of the above technical scheme, the lower wall surface of the connecting plate is equipped with the bearing being laterally arranged
Set is set with the second Plane Ball bearing being laterally arranged, the ball point of the second Plane Ball bearing in bearing holder (housing, cover)
It is not abutted with the upper bottom surface of the lower wall surface of connecting plate, bearing holder (housing, cover), so that the upper bottom surface of the lower wall surface of connecting plate and bearing holder (housing, cover) is rolling
Dynamic contact, the bar portion of the main shaft screw pass through the center of bearing holder (housing, cover) bottom surface, the second Plane Ball bearing, rotation from the bottom up
It is connected with the mounting block after hole, corrugated gasket, the first Plane Ball bearing, the head of the main shaft screw and the bottom of bearing holder (housing, cover)
Face abuts.
As a further improvement of the above technical scheme, the upper wall surface of the connecting plate is equipped with vertically arranged counterbore,
The counterbore and rotation hole is coaxially disposed, and the internal diameter of the counterbore is equal with the outer diameter of the first Plane Ball bearing, and first
Plane Ball bearing holder (housing, cover) is in counterbore, and the outer diameter of the corrugated gasket is equal with the internal diameter of the first Plane Ball bearing, institute
The corrugated gasket stated is sleeved in the first Plane Ball bearing.
As a further improvement of the above technical scheme, it is in vertically arranged positioning that the lower wall surface of the mounting blocks, which is equipped with,
Pipe, the upper end of the positioning pipe and the lower wall surface of mounting blocks connect, the internal diameter phase of the outer diameter and rotation hole of the positioning pipe
Deng, the positioning pipe sleeve in rotation hole, the bar portion of the main shaft screw is connected with the mounting block after passing through positioning pipe, is made
Obtaining the pivoted arm can rotate around positioning pipe.
As a further improvement of the above technical scheme, the mounting blocks are equipped with vertically arranged through-hole, and described is logical
Setting is docked in hole with positioning pipe, and the upper wall surface of the mounting blocks is equipped with nut, and the bar portion of the main shaft screw passes through through-hole
It is connect afterwards with nut thread.
The beneficial effects of the utility model are: the utility model by the lower wall surface of the upper wall surface of connecting plate and mounting blocks it
Between be equipped with the first Plane Ball bearing for being laterally arranged so that the lower wall surface of the upper wall surface of connecting plate and mounting blocks is to roll to connect
Touching, to realize rotating freely for pivoted arm, the hoodle then marked closely and connecting plate interaction generate relative to force, hoodle again and its
The spring of internal structure generates mutual resistance, and spring makes power be applied to connecting plate to hoodle counter force, finally realizes and turns
Arm can be rotated and be braked, when topography is not horizontal consulting room, when out-of-balance force rotates pivoted arm, and connecting plate and hoodle, hoodle
Form mutual damping with spring, in therapeutic process doctor using when be rotated in where the position that hoodle stays in rotation
It sets, hoodle, which would not be rotated arbitrarily, causes medical instrument or drug to be toppled over according at malpractice.
The utility model is used for: in medical dental appliance.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described.Obviously, described attached drawing is a part of the embodiment of the utility model, rather than complete
Portion's embodiment, those skilled in the art without creative efforts, can also be obtained according to these attached drawings it
His design scheme and attached drawing.
Fig. 1 is the exploded view of the pivoted arm junction of the utility model embodiment；
Fig. 2 is the structural schematic diagram marked closely of the utility model embodiment；
Fig. 3 is the structural schematic diagram of the utility model embodiment.
Specific embodiment
It is carried out below with reference to technical effect of the embodiment and attached drawing to the design of the utility model, specific structure and generation
It clearly and completely describes, to be completely understood by the purpose of this utility model, feature and effect.Obviously, described embodiment
It is a part of the embodiment of the utility model, rather than whole embodiments, it is based on the embodiments of the present invention, the skill of this field
Art personnel other embodiments obtained without creative efforts belong to the model of the utility model protection
It encloses.In addition, all connection/connection relationships being previously mentioned in text, not singly refer to that component directly connects, and referring to can be according to specific reality
Situation is applied, by adding or reducing couple auxiliary, Lai Zucheng more preferably coupling structure.Each technology in the invention is special
Sign, can be with combination of interactions under the premise of not conflicting conflict.
Referring to Fig.1~Fig. 3, the utility model embodiment: a kind of dental comprehensive therapeutic chair of brake rotation instrument arm, packet
Chair body 7, pivoted arm 1, mounting blocks 2 are included, the pivoted arm 1 and mounting blocks 2 are rotatablely connected, and the mounting blocks 2 are mounted on chair body 7
On, the end of the pivoted arm 1 is fixedly connected with the connecting plate 11 being laterally arranged, and the mounting blocks 2 are arranged in connecting plate 11
Top, the connecting plate 11 is equipped with vertically arranged rotation hole 12, and the rotation hole 12 is set with vertically arranged master
Axis screw 3, the bar portion of the main shaft screw 3 are connect after passing through rotation hole 12 from the bottom up with mounting blocks 2, the pivoted arm 1
Can be rotated around main shaft screw 3, the mounting blocks 2 be connected with it is vertically arranged mark closely 21, the lower end connection for marking closely 21
Hoodle 22, the hoodle 22 and marks closely and is equipped with spring between 21, and the spring pushes hoodle 22 to be pressed downward, the hoodle
22 abut with the upper wall surface of connecting plate 11, so that the rotation of the connecting plate 11, the connecting plate 11 can be locked by marking closely 21
Upper wall surface and mounting blocks 2 lower wall surface between be equipped with the first Plane Ball bearing 4 for being laterally arranged, the first plane rolling
Pearl bearing 4 is sleeved on main shaft screw 3, and the ball of the first Plane Ball bearing 4 is separately connected the upper wall surface of plate 11, peace
The lower wall surface for filling block 2 abuts, so that the lower wall surface of the upper wall surface of connecting plate 11 and mounting blocks 2 is to be in rolling contact.The rolling of first plane
Pearl bearing 4 realizes rotating freely for pivoted arm 1, and the hoodle 22 and the interaction of connecting plate 11 for then marking closely 21 generate relative to force, bullet
Pearl 22 generates mutual resistance with the spring of its internal structure again, and spring makes power be applied to connecting plate to 22 counter force of hoodle
11, finally realize that pivoted arm 1 can be rotated and be braked, when topography is not horizontal consulting room, and out-of-balance force rotates pivoted arm 1, even
Fishplate bar 11 and hoodle 22, hoodle 22 and spring form mutual damping, in therapeutic process doctor using when be rotated in where
Hoodle 22 stays in the position of rotation, and hoodle 22, which would not be rotated arbitrarily, causes medical instrument or drug to be toppled over according at medical treatment
Accident.
It is further used as preferred embodiment, the upper wall surface of the connecting plate 11 is equipped with corrugated gasket annular in shape
13, the corrugated gasket 13 is sleeved on main shaft screw 3, and the hoodle 22 is abutted with corrugated gasket 13.Corrugated gasket 13
The frictional force between hoodle 22 and connecting plate 11 can be increased, do not need additionally the upper wall surface of connecting plate 11 to be processed to improve
Frictional force, while circular corrugated gasket 13 is set, when pivoted arm 1 in the rotation, guarantee hoodle 22 and corrugated gasket 13
It abuts always, so that pivoted arm 1 rotates to different positions, frictional force suffered by connecting plate 11 is the same.
It is further used as preferred embodiment, described marks closely 21 side walls equipped with external screw thread 23, and the mounting blocks 2 are set
There is the threaded hole to match with external screw thread 23, threaded hole is vertically arranged, and described marks closely 21 by threaded hole and 2 screw thread of mounting blocks
Connection.It is adjustable to mark closely 21 height to control the friction between corrugated gasket 13 and connecting plate 11, it is revolved to can avoid pivoted arm 1
Turn to brake or brake the problems such as too tight.
It is further used as preferred embodiment, described marks closely 21 equipped with several, several mark closely 21 around main shaft spiral shell
Silk 3 is circumferentially alternatively arranged setting.Several cooperations for marking closely 21 Yu corrugated gasket 13 annular in shape are set, so that connecting plate
11, by uniform frictional force, improve the stationarity that pivoted arm 1 rotates, also further increase frictional force.
It is further used as preferred embodiment, the lower wall surface of the connecting plate 11 is equipped with the bearing holder (housing, cover) 5 being laterally arranged,
The second Plane Ball bearing 6 being laterally arranged, the ball point of the second Plane Ball bearing 6 are set in bearing holder (housing, cover) 5
It is not abutted with the upper bottom surface of the lower wall surface of connecting plate 11, bearing holder (housing, cover) 5, so that the upper bottom of the lower wall surface of connecting plate 11 and bearing holder (housing, cover) 5
Face is to be in rolling contact, and the bar portion of the main shaft screw 3 passes through the center of 5 bottom surface of bearing holder (housing, cover), the second Plane Ball from the bottom up
It is connect after bearing 6, rotation hole 12, corrugated gasket 13, the first Plane Ball bearing 4 with mounting blocks 2, the main shaft screw 3
Head is abutted with the bottom surface of bearing holder (housing, cover) 5.Be respectively provided with Plane Ball bearing in the upper and lower sides of connecting plate 11 so that connecting plate 11 with
Other fixation members are to be in rolling contact, to improve the fluency of the rotation of connecting plate 11, are only rubbed by corrugated gasket 13 is adjustable
Wipe power.
It is further used as preferred embodiment, the upper wall surface of the connecting plate 11 is equipped with vertically arranged counterbore 14,
The counterbore 14 and rotation hole 12 is coaxially disposed, the outer diameter phase of the internal diameter of the counterbore 14 and the first Plane Ball bearing 4
Deng the first Plane Ball bearing 4 is sleeved in counterbore 14, the outer diameter of the corrugated gasket 13 and the first Plane Ball bearing 4
Internal diameter it is equal, the corrugated gasket 13 is sleeved in the first Plane Ball bearing 4.Counterbore 14 mainly prevents connecting plate 11
In the rotation, the phenomenon that the first Plane Ball bearing 4, corrugated gasket 13 shift, to influence the freedom of pivoted arm 1
Rotation and brake, while being also convenient for the assembling of instrument arm.
It is further used as preferred embodiment, it is in vertically arranged positioning pipe that the lower wall surface of the mounting blocks 2, which is equipped with,
24, the upper end of the positioning pipe 24 is connect with the lower wall surface of mounting blocks 2, outer diameter and the rotation hole 12 of the positioning pipe 24
Internal diameter is equal, and the positioning pipe 24 is sleeved in rotation hole 12, the bar portion of the main shaft screw 3 pass through after positioning pipe 24 with
Mounting blocks 2 connect, so that the pivoted arm 1 can be rotated around positioning pipe 24.Positioning pipe 24 plays the function of limit, so that marking closely 21
With corrugated gasket 13 annular in shape to connecting, while positioning pipe 24 is sleeved in rotation hole 12, so that the rotation of pivoted arm 1 is more
The phenomenon that stablizing, being less prone to bending, 3, main shaft screw are played connection.
It is further used as preferred embodiment, the mounting blocks 2 are equipped with vertically arranged through-hole 25, the through-hole
25 dock setting with positioning pipe 24, and the upper wall surface of the mounting blocks 2 is equipped with nut 26, and the bar portion of the main shaft screw 3 is worn
It is threadedly coupled after crossing through-hole 25 with nut 26.Connecting plate 11 and mounting blocks 2 can be adjusted by the position of adjusting nut 26, connect
The distance between plate 11 and bearing holder (housing, cover) 5 can avoid apart from too small and lead to the first Plane Ball bearing 4, the second Plane Ball axis
It holds 6 and influences rotating freely for pivoted arm 1 because the longitudinal pressure being subject to is excessive, and apart from excessive and lead to the first Plane Ball
Bearing 4, the second Plane Ball bearing 6 do not play the role of due.
The better embodiment of the utility model is illustrated above, but the invention be not limited to it is described
Embodiment, those skilled in the art can also make various equivalent changes without departing from the spirit of the present invention
Type or replacement, these equivalent variation or replacement are all included in the scope defined by the claims of the present application.
Claims (8)
1. a kind of dental comprehensive therapeutic chair of brake rotation instrument arm comprising chair body (7), pivoted arm (1), mounting blocks (2), it is described
Pivoted arm (1) and mounting blocks (2) be rotatablely connected, the mounting blocks (2) are mounted on chair body (7), it is characterised in that: described
The end of pivoted arm (1) is fixedly connected with the connecting plate (11) being laterally arranged, and the mounting blocks (2) are arranged in connecting plate (11)
Top, the connecting plate (11) are equipped with vertically arranged rotation hole (12), and the rotation hole (12) is set with vertically arranged
Main shaft screw (3), the bar portion of the main shaft screw (3) passes through rotation hole (12) from the bottom up and connect afterwards with mounting blocks (2),
The pivoted arm (1) can be rotated around main shaft screw (3), the mounting blocks (2) be connected with it is vertically arranged mark closely (21), it is described
Lower end connection hoodle (22) for marking closely (21), the hoodle (22) and mark closely between (21) equipped with spring, the spring
Hoodle (22) are pushed to be pressed downward, the hoodle (22) is abutted with the upper wall surface of connecting plate (11), so that marking closely (21) can lock
The rotation of the connecting plate (11) is equipped with cross between the upper wall surface of the connecting plate (11) and the lower wall surface of mounting blocks (2)
To the first Plane Ball bearing (4) of setting, the first Plane Ball bearing (4) is sleeved on main shaft screw (3), described
The first Plane Ball bearing (4) ball be separately connected the upper wall surface of plate (11), mounting blocks (2) lower wall surface abut so that
The lower wall surface of the upper wall surface of connecting plate (11) and mounting blocks (2) is to be in rolling contact.
2. a kind of dental comprehensive therapeutic chair of brake rotation instrument arm according to claim 1, it is characterised in that: described
The upper wall surface of connecting plate (11) is equipped with corrugated gasket (13) annular in shape, and the corrugated gasket (13) is sleeved on main shaft screw
(3) on, the hoodle (22) is abutted with corrugated gasket (13).
3. a kind of dental comprehensive therapeutic chair of brake rotation instrument arm according to claim 2, it is characterised in that: described
(21) side wall is marked closely equipped with external screw thread (23), the mounting blocks (2) are equipped with the threaded hole to match with external screw thread (23), screw thread
Hole is vertically arranged, and described mark closely (21) are threadedly coupled by threaded hole with mounting blocks (2).
4. a kind of dental comprehensive therapeutic chair of brake rotation instrument arm according to claim 3, it is characterised in that: described
(21) are marked closely equipped with several, several are marked closely (21) and are circumferentially alternatively arranged setting around main shaft screw (3).
5. a kind of dental comprehensive therapeutic chair of brake rotation instrument arm according to claim 4, it is characterised in that: described
The lower wall surface of connecting plate (11) is equipped with the bearing holder (housing, cover) (5) being laterally arranged, and it is flat that second be laterally arranged is set in bearing holder (housing, cover) (5)
Face ball bearing (6), the ball of the second Plane Ball bearing (6) lower wall surface, the bearing holder (housing, cover) with connecting plate (11) respectively
(5) upper bottom surface abuts, so that the upper bottom surface of the lower wall surface of connecting plate (11) and bearing holder (housing, cover) (5) is to be in rolling contact, the master
The bar portion of axis screw (3) passes through the center of bearing holder (housing, cover) (5) bottom surface, the second Plane Ball bearing (6), rotation hole from the bottom up
(12), corrugated gasket (13), the first Plane Ball bearing (4) are connect with mounting blocks (2) afterwards, the head of the main shaft screw (3)
Portion is abutted with the bottom surface of bearing holder (housing, cover) (5).
6. a kind of dental comprehensive therapeutic chair of brake rotation instrument arm according to claim 5, it is characterised in that: described
The upper wall surface of connecting plate (11) is equipped with vertically arranged counterbore (14), and the counterbore (14) and rotation hole (12) are coaxially disposed,
The internal diameter of the counterbore (14) is equal with the outer diameter of the first Plane Ball bearing (4), and the first Plane Ball bearing (4) is sleeved on
In counterbore (14), the outer diameter of the corrugated gasket (13) waveform equal, described with the internal diameter of the first Plane Ball bearing (4)
Gasket (13) is sleeved in the first Plane Ball bearing (4).
7. a kind of dental comprehensive therapeutic chair of brake rotation instrument arm according to claim 6, it is characterised in that: described
It is in vertically arranged positioning pipe (24), the upper end and mounting blocks (2) of the positioning pipe (24) that the lower wall surface of mounting blocks (2), which is equipped with,
Lower wall surface connection, the outer diameter of the positioning pipe (24) is equal with the internal diameter of rotation hole (12), and the positioning pipe (24) covers
In rotation hole (12), the bar portion of the main shaft screw (3) passes through positioning pipe (24) and connect afterwards with mounting blocks (2), so that
The pivoted arm (1) can be rotated around positioning pipe (24).
8. a kind of dental comprehensive therapeutic chair of brake rotation instrument arm according to claim 7, it is characterised in that: described
Mounting blocks (2) are equipped with vertically arranged through-hole (25), and the through-hole (25) docks setting, the installation with positioning pipe (24)
The upper wall surface of block (2) is equipped with nut (26), the bar portion of the main shaft screw (3) pass through through-hole (25) afterwards with nut (26) screw thread
Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821352538.9U CN209203926U (en) | 2018-08-21 | 2018-08-21 | A kind of dental comprehensive therapeutic chair of brake rotation instrument arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821352538.9U CN209203926U (en) | 2018-08-21 | 2018-08-21 | A kind of dental comprehensive therapeutic chair of brake rotation instrument arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209203926U true CN209203926U (en) | 2019-08-06 |
Family
ID=67453047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821352538.9U Active CN209203926U (en) | 2018-08-21 | 2018-08-21 | A kind of dental comprehensive therapeutic chair of brake rotation instrument arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209203926U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114028149A (en) * | 2021-11-09 | 2022-02-11 | 杭州杰莺医疗科技有限公司 | Electric chair rotary positioning device |
-
2018
- 2018-08-21 CN CN201821352538.9U patent/CN209203926U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114028149A (en) * | 2021-11-09 | 2022-02-11 | 杭州杰莺医疗科技有限公司 | Electric chair rotary positioning device |
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