CN215960948U - Dental lifting auxiliary control arm - Google Patents
Dental lifting auxiliary control arm Download PDFInfo
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- CN215960948U CN215960948U CN202122411589.2U CN202122411589U CN215960948U CN 215960948 U CN215960948 U CN 215960948U CN 202122411589 U CN202122411589 U CN 202122411589U CN 215960948 U CN215960948 U CN 215960948U
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- control arm
- gear
- clamping
- auxiliary control
- rod
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Abstract
The utility model relates to the field of dental treatment machines, in particular to a secondary control arm of a dental treatment machine. The dental lifting auxiliary control arm comprises an auxiliary control arm, the auxiliary control arm is provided with a lower auxiliary control arm seat, an upper auxiliary control arm seat, a gear rod and a buckle sleeve, the lower auxiliary control arm seat is respectively matched with the gear rod and the clamping rod in a rotating mode, the upper auxiliary control arm seat is matched with the gear rod in a rotating mode, the buckle sleeve is sleeved on the gear rod in a limiting sliding fit with the buckle sleeve, the gear rod is provided with a limiting block for being matched with the buckle sleeve in a limiting mode, the spring strip is fixedly matched with the buckle sleeve, the clamping rod is matched with the buckle sleeve in a limiting mode through the spring rod, the gear rod is provided with a plurality of gear grooves, the clamping rod is provided with a clamping block, the gear grooves are matched with the clamping block in a limiting mode, the buckle sleeve is provided with a buckle gear groove for adjusting the gear of the clamping rod and a reset gear groove for resetting the clamping rod.
Description
Technical Field
The utility model relates to the field of dental treatment machines, in particular to a secondary control arm of a dental treatment machine.
Background
In dental unit equipment, a secondary control arm is often used to support the hand-rest for adjusting the elevation height of the hand-rest. In the existing market, the auxiliary control arm needs to be lifted and lowered, a switch needs to be pressed or force needs to be applied by people to reset the auxiliary control arm when the auxiliary control arm is lowered and reset, and the operation mode is troublesome and not convenient enough.
The purpose of this application is: the problem of current vice accuse arm comparatively loaded down with trivial details when reseing, convenient not enough is solved, a reset mode easy and simple to handle, more quick is provided.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide a dental lifting auxiliary control arm which can quickly raise the height and can also be automatically reset simply, conveniently and quickly.
The technical scheme adopted by the utility model is as follows:
the dental lifting auxiliary control arm comprises an auxiliary control arm body, wherein the auxiliary control arm body is provided with a lower auxiliary control arm seat, an upper auxiliary control arm seat, a gear rod, a clamping sleeve, a clamping rod and a spring strip, the lower auxiliary control arm seat is respectively matched with the gear rod and the clamping rod in a rotating mode, the upper auxiliary control arm seat is matched with the gear rod in a rotating mode, the clamping sleeve is arranged on the gear rod in a limiting sliding fit mode, the gear rod is provided with a limiting block used for being matched with the clamping sleeve in a limiting mode, the spring strip is fixedly matched with the clamping sleeve, the clamping rod is matched with the clamping sleeve in a limiting mode through the spring strip, the gear rod is provided with a plurality of gear grooves, the clamping rod is provided with a clamping block, the gear grooves are matched with the clamping block in a limiting mode, and the clamping sleeve is provided with a clamping lever gear groove used for gear adjustment of the clamping rod and a reset gear groove used for reset adjustment of the clamping rod.
According to the dental lifting auxiliary control arm, the auxiliary control arm is lifted, the gear rod and the clamping rod respectively rotate with the lower auxiliary control arm seat, when the gear rod and the clamping rod rotate, the clamping rod is limited through the spring strip fixed on the buckle sleeve, and the clamping rod is located in the buckle baffle groove of the buckle sleeve, so that a clamping block on the clamping rod is limited with the gear groove on the gear rod, gear adjustment is carried out, and the auxiliary control arm is lifted; when the auxiliary control arm reaches the highest point, the gear lever and the clamping lever are respectively in running fit with the lower auxiliary control arm seat, the clamping sleeve is in limit fit with the limiting block, the clamping lever reaches the reset gear groove, the clamping block on the clamping lever is not in contact with the gear lever, the auxiliary control arm is reset to the lowest position, when the auxiliary control arm reaches the lowest point position, the gear lever and the clamping lever respectively rotate through the lower auxiliary control arm seat, the clamping sleeve is limited by the limiting block, the clamping block reaches the clamping gear groove of the clamping sleeve, and gear adjustment can be carried out.
In some embodiments, the buckle sleeve is provided with a buckle groove for being in limit fit with the spring strip, so that the buckle sleeve and the spring strip are fixed.
In some embodiments, the spring strip is provided with a circular ring which is matched with the through rod limiting rotation arranged on the clamping rod, and the clamping rod is ensured not to be displaced when rotating through the circular ring and the through rod limiting rotation.
In some embodiments, spring strips are arranged on both sides of the clamping sleeve, so that the clamping rod is not unbalanced in stress.
In some embodiments, the gear lever sleeve is provided with a sleeve lever, and the lower end of the sleeve lever is provided with a notch groove for the passing of the position clamping lever, so that the position clamping lever can normally rotate.
In some embodiments, the upper end of the sleeve rod is provided with a notch for rotatably matching the gear lever with the upper auxiliary control arm seat, so that enough space is reserved between the sleeve rod and the upper auxiliary control arm seat to allow the gear lever to rotate.
The utility model has the beneficial effects that:
according to the dental lifting auxiliary control arm, the gear rod, the buckle sleeve, the clamping rod and the spring strip are linked, so that the dental lifting auxiliary control arm can quickly lift the dental lifting auxiliary control arm, and meanwhile, the technical effect of automatic quick reset, which is simple and convenient to operate, can be realized.
Drawings
FIG. 1 is a schematic top view of a dental lifting sub-control arm according to the present invention;
FIG. 2 is a schematic view of a partially enlarged structure of the portion D of FIG. 1;
FIG. 3 is a schematic cross-sectional view of FIG. 1A-A;
FIG. 4 is a partially enlarged view of the portion C of FIG. 3;
FIG. 5 is a schematic bottom view of the dental lifting sub-control arm of the present invention;
FIG. 6 is a schematic cross-sectional view of FIG. 5B-B;
fig. 7 is a schematic diagram of a partially enlarged structure of the part E of fig. 6.
The numbers in the figures correspond to the names as follows:
1. a secondary control arm; 2. a gear lever; 3. a limiting block; 4. a buckle sleeve; 5. a buckle stopping groove; 6. a reset gear groove; 7. a position clamping rod; 8. a spring bar; 9. a gear groove; 10. a clamping strip groove; 11. a lower auxiliary control arm seat; 12. a notch groove; 13. a loop bar; 14. a clamping block; 15. a circular ring; 16. penetrating the rod; 17. a notch; 18. and an upper auxiliary control arm seat.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
As shown in fig. 1 to 7, the dental lifting auxiliary control arm comprises an auxiliary control arm 1, the auxiliary control arm 1 is provided with a lower auxiliary control arm seat 11, an upper auxiliary control arm seat 18, a gear lever 2, a buckle sleeve 4, a clamping lever 7 and a spring strip 8, the lower auxiliary control arm seat 11 is respectively matched with the gear lever 2 and the clamping lever 7 in a rotating manner, the upper auxiliary control arm seat 18 is matched with the gear lever 2 in a rotating manner, the buckle sleeve 4 is sleeved on the gear lever 2 which is matched with the buckle sleeve 4 in a limiting and sliding manner, the gear lever 2 is provided with a limiting block 3 which is matched with the buckle sleeve 4 in a limiting manner, the limiting block 3 is divided into a reset block and a gear block, when the buckle sleeve 4 is abutted against the reset block, the gear lever 2 is pushed to enter the reset gear groove 6, when the buckle sleeve 4 is abutted against the gear block, the gear lever 2 is pushed to enter the buckle groove 5, the spring strip 8 is fixedly matched with the buckle sleeve 4, the clamping lever 7 is matched with the buckle sleeve 4 in a limiting manner through the spring strip 8, the limiting of the clamping rod 7 and the buckle sleeve 4 is realized through the elastic force of the spring strip 8, the gear rod 2 is provided with a plurality of gear grooves 9, the clamping rod 7 is provided with a clamping block 14, the gear grooves 9 are in limiting fit with the clamping block 14, so that the gear of the auxiliary control arm 1 is raised and cannot slide off, the buckle sleeve 4 is provided with a buckle gear groove 5 for gear adjustment of the clamping rod 7 and a reset gear groove 6 for reset adjustment of the clamping rod 7, and when the clamping rod 7 is located in the buckle gear groove 5, the clamping block 14 on the clamping rod 7 is in contact with the gear groove 9 on the gear rod 2, so that the gear adjustment function is realized; when the clamping rod 7 is positioned in the reset gear groove 6, the clamping block 14 on the clamping rod 7 is not contacted with the gear groove 9 on the gear rod 2, so that the reset adjusting function is realized.
The buckle sleeve 4 is provided with a clamping strip groove 10 which is used for being in limit fit with the spring strip 8 so as to realize the fixing function of the spring strip 8 and the buckle sleeve 4.
The gear lever 2 is sleeved with a sleeve rod 13, and the lower end of the sleeve rod 13 is provided with a notch groove 12 for the passing of the clamping lever 7, so that the clamping lever 7 can rotate conveniently.
The upper end of the loop bar 13 is provided with a notch 17 which is used for the gear lever 2 and the upper auxiliary control arm seat 18 to be matched in a rotating way, so that the gear lever 2 and the upper auxiliary control arm seat 18 can rotate conveniently.
The working principle of the utility model is as follows:
according to the dental lifting auxiliary control arm, the auxiliary control arm 1 is lifted, the buckle sleeve 4 slides on the gear lever 2, the clamping lever 7 is limited with the buckle sleeve 4 through the spring strip 8 on the buckle sleeve 4, and when the gear lever 2 and the clamping lever 7 respectively rotate with the lower auxiliary control arm seat 11, the clamping lever 7 is limited with the gear lever 2 in the buckle gear groove 5 of the buckle sleeve 4, so that gear adjustment is realized, and the auxiliary control arm 1 is lifted; the position clamping rod 7 is limited by the spring strip 8 on the clamping sleeve 4 and the clamping sleeve 4, when the auxiliary control arm 1 lifts to the highest point, the clamping sleeve 4 is abutted to the reset block, so that the gear rod 2 is pushed to enter the reset gear groove 6, the clamping block 14 on the position clamping rod 7 is not contacted with the gear rod 2, under the influence of the self gravity of the auxiliary control arm 1, the auxiliary control arm 1 automatically resets to reach the lowest position, when the auxiliary control arm 1 reaches the lowest point position, the clamping sleeve 4 is limited by the limiting block 3, the clamping sleeve 4 is abutted to the gear block to enable the gear rod 2 to be pushed, so that the gear rod enters the clamping gear groove 5, and the gear adjustment is carried out again.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The dental lifting auxiliary control arm comprises an auxiliary control arm (1) and is characterized in that the auxiliary control arm (1) is provided with a lower auxiliary control arm seat (11), an upper auxiliary control arm seat (18), a gear lever (2), a buckle sleeve (4), a clamping lever (7) and a spring strip (8), the lower auxiliary control arm seat (11) is respectively in running fit with the gear lever (2) and the clamping lever (7), the upper auxiliary control arm seat (18) is in running fit with the gear lever (2), the buckle sleeve (4) is sleeved on the gear lever (2) in limited sliding fit with the buckle sleeve (4), the gear lever (2) is provided with a limiting block (3) which is in limited fit with the buckle sleeve (4), the spring strip (8) is fixedly matched with the buckle sleeve (4), the clamping lever (7) is in limited fit with the buckle sleeve (4) through the spring strip (8), and the gear lever (2) is provided with a plurality of gear grooves (9), the clamping rod (7) is provided with a clamping block (14), the gear groove (9) is in limit fit with the clamping block (14), and the clamping sleeve (4) is provided with a clamping gear groove (5) for gear adjustment of the clamping rod (7) and a reset gear groove (6) for reset adjustment of the clamping rod (7).
2. The dental lifting sub-control arm according to claim 1, wherein the snap sleeve (4) is provided with a snap groove (10) for a positive fit with the spring bar (8).
3. The dental lifting sub-control arm according to claim 1, wherein the spring bar (8) is provided with a circular ring (15) which is in limited rotation fit with a through rod (16) provided with the position-retaining rod (7).
4. The dental lifting sub-control arm according to claim 1, wherein the snap sleeve (4) is provided with spring strips (8) on both sides.
5. The dental lifting auxiliary control arm as recited in claim 1, characterized in that the gear lever (2) is sleeved with a sleeve rod (13), and the lower end of the sleeve rod (13) is provided with a notch groove (12) for passing the position clamping lever (7).
6. The dental lifting secondary control arm as recited in claim 5, characterized in that the upper end of the loop bar (13) is provided with a notch (17) for the gear lever (2) to be rotatably matched with the upper secondary control arm seat (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122411589.2U CN215960948U (en) | 2021-09-30 | 2021-09-30 | Dental lifting auxiliary control arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122411589.2U CN215960948U (en) | 2021-09-30 | 2021-09-30 | Dental lifting auxiliary control arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215960948U true CN215960948U (en) | 2022-03-08 |
Family
ID=80509100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122411589.2U Active CN215960948U (en) | 2021-09-30 | 2021-09-30 | Dental lifting auxiliary control arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215960948U (en) |
-
2021
- 2021-09-30 CN CN202122411589.2U patent/CN215960948U/en active Active
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