CN220714311U - Armrest positioning and locking device of dental chair - Google Patents
Armrest positioning and locking device of dental chair Download PDFInfo
- Publication number
- CN220714311U CN220714311U CN202322121553.XU CN202322121553U CN220714311U CN 220714311 U CN220714311 U CN 220714311U CN 202322121553 U CN202322121553 U CN 202322121553U CN 220714311 U CN220714311 U CN 220714311U
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- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 230000000670 limiting effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- 208000025157 Oral disease Diseases 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 208000030194 mouth disease Diseases 0.000 description 1
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Abstract
The utility model relates to the technical field of armrests of dental chairs, and provides a positioning and locking device for armrests of dental chairs, which comprises a supporting column, wherein a supporting block is fixedly arranged at the top of the outer wall of the supporting column, a hinge shaft is fixedly arranged at the top of the supporting block, an armrests plate is connected to the top of the outer wall of the hinge shaft in a contact manner, a side plate is fixedly arranged on one side of the armrests, a connecting groove is formed in the other side of the armrests, an adjusting plate is connected to the inner wall of the connecting groove in a penetrating manner, a baffle is fixedly arranged at the top of the adjusting plate, a moving groove is formed in one side of the baffle and one side of the side plate, the inner wall of the moving groove is rotationally connected with a first screw rod, a second screw rod drives a sliding block to drive the adjusting plate to synchronously adjust the space between the baffle and the side plate, and then synchronously rotates the first screw rod.
Description
Technical Field
The utility model relates to the technical field of armrests of dental chairs, in particular to a positioning and locking device for armrests of dental chairs.
Background
The dental chair is used for oral operation and oral disease examination and treatment, and is mainly characterized by that it adopts an electric dental chair, its whole machine is fixed on the ground by means of base plate, and the base plate is connected with upper portion of dental chair by means of support, and the action of dental chair is controlled by control switch on the chair back. According to the treatment requirement, the dental chair can finish the actions of ascending, descending, pitching, leaning up, resetting and the like by manipulating the control switch button.
The armrests on the dental chair are used for supporting and placing arms of a patient, and after the arms of the patient are placed, the arms of the patient do not have the function of limiting and locking, so that the patient is taken on the dental chair and does not have the positioning effect, the patient is easy to shake, and inconvenience is brought to dentist treatment work.
Disclosure of Invention
The utility model provides a dental chair armrest positioning and locking device, which solves the problems that in the prior art, arms of the dental chair are not provided with limiting and locking functions, so that patients cannot sit on the dental chair and have positioning effects, the patients are easy to shake, and inconvenience is brought to dentist treatment work.
The technical scheme of the utility model is as follows: the utility model provides a dental chair handrail location locking device, includes the support column, the support column is fixed on the dental chair, the fixed supporting shoe that is equipped with in top of support column outer wall, the fixed articulated shaft that is equipped with in top of supporting shoe, the top contact of articulated shaft outer wall is connected with the handrail board, the fixed curb plate that is equipped with in one side of handrail board, the spread groove has been seted up to the opposite side of handrail board, the inner wall interlude of spread groove is connected with the regulating plate, the fixed baffle that is equipped with in top of regulating plate, the movable groove has all been seted up to one side of baffle and one side of curb plate, the inner wall of movable groove all rotates and is connected with first screw rod, the equal threaded connection of outer wall of first screw rod has the movable block, the draw-in groove has all been seted up to the bottom of movable block, the inner wall of draw-in groove all interlude is connected with the fixture block.
Further, one ends of the two clamping blocks are fixedly connected with the locking clamping belt, the outer walls of the moving blocks are connected with the corresponding moving grooves in a penetrating mode, and the top ends of the moving blocks are connected with the corresponding clamping blocks through bolts in a threaded mode.
Further, the bottom of spread groove inner wall has all been seted up the spout, the inner wall rotation of spout is connected with the second screw rod.
Further, the outer wall threaded connection of second screw rod has the slider, the top and the regulating plate fixed connection of slider.
Further, a connecting hole is formed in one end of the hinge shaft, and a rotating shaft is connected to the inner wall of the connecting hole in a rotating mode.
Further, the outer wall of the rotating shaft is fixedly connected with the armrest plate, and a fixing lug is fixedly arranged on one side of the supporting block.
Further, the inner wall of the fixed lug is rotatably connected with a worm, and the top of the worm is connected with a worm wheel in a meshed mode.
Further, the inner wall of the worm wheel is fixedly connected with the rotating shaft, and a rotating button is fixedly arranged at one end of the worm.
The working principle and the beneficial effects of the utility model are as follows:
1. according to the utility model, the second screw is rotated according to the thickness of the placed arm, the second screw drives the sliding block to drive the adjusting plate to synchronize under the action of the sliding groove, the extension of the adjusting plate in the connecting groove is changed, the space between the baffle and the side plate is adjusted, the left and right movement of the arm is limited, the first screw is synchronously rotated, the first screw drives the moving block under the action of the moving groove, the moving block drives the clamping block to synchronously move the locking clamping belt, the locking clamping belt is contacted with the arm, the limiting locking of the arm of a patient is completed, and the follow-up treatment work is more convenient to carry out.
2. According to the dental chair, after the clamping blocks are inserted into the moving blocks, the rotating bolts are respectively connected with the moving blocks and the clamping blocks to fix the clamping blocks, locking clamping bands with different specifications can be replaced according to actual arms of a patient, the rotating buttons drive the worm in the fixing lugs to rotate, the worm drives the worm wheel to drive the rotating shaft, the rotating shaft rotates in the hinge shaft to drive the armrest plate to synchronously deflect, and the supporting angle of the armrest plate to the arms is adjusted according to the actual leaning angle of the patient, so that the comfort level of the dental chair in use is improved.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic view of the connection structure of the armrest plate of the present utility model;
FIG. 3 is a schematic view of the connection structure of the side plates of the present utility model;
fig. 4 is a schematic diagram of a connection structure of a moving block according to the present utility model.
In the figure: 1. a support column; 2. a support block; 3. a hinge shaft; 4. a handrail plate; 5. a side plate; 6. a baffle; 7. a first screw; 8. a moving block; 9. a clamping block; 10. locking the clamping belt; 11. a bolt; 12. a second screw; 13. a slide block; 14. a rotating shaft; 15. a fixed ear; 16. a worm; 17. a worm wheel; 18. a rotary knob; 19. and an adjusting plate.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
As shown in fig. 1-4, the embodiment provides a dental chair armrest positioning and locking device, which comprises a support column 1, wherein the support column 1 is fixed on a dental chair, a support block 2 is fixedly arranged at the top of the outer wall of the support column 1, a hinge shaft 3 is fixedly arranged at the top end of the support block 2, an armrest plate 4 is connected at the top of the outer wall of the hinge shaft 3 in a contact manner, a side plate 5 is fixedly arranged at one side of the armrest plate 4, a connecting groove is formed at the other side of the armrest plate 4, an adjusting plate 19 is connected in a penetrating manner with the inner wall of the connecting groove, a baffle plate 6 is fixedly arranged at the top end of the adjusting plate 19, moving grooves are formed on one side of the baffle plate 6 and one side of the side plate 5, first screw rods 7 are respectively and rotatably connected with the inner walls of the moving grooves, moving blocks 8 are respectively connected with the outer walls of the first screw rods 7 in a threaded manner, clamping grooves are respectively formed at the bottom ends of the moving blocks 8, clamping blocks 9 are respectively and one ends of the two clamping blocks 9 are respectively connected with a locking clamping belt 10 in a penetrating manner, the outer wall of the moving block 8 is connected with the corresponding moving groove in a penetrating way, the top end of the moving block 8 is connected with the corresponding clamping block 9 in a threaded way through bolts 11, the bottom of the inner wall of the connecting groove is provided with sliding grooves, the inner wall of the sliding groove is rotationally connected with a second screw rod 12, the outer wall of the second screw rod 12 is in threaded connection with a sliding block 13, the top end of the sliding block 13 is fixedly connected with an adjusting plate 19, the second screw rod 12 is rotated according to the thickness of an arm to be placed, the sliding block 13 is driven by the second screw rod 12 to drive the adjusting plate 19 to synchronize under the action of the sliding grooves, the elongation of the adjusting plate 19 in the connecting groove is changed, the space between the baffle 6 and the side plate 5 is adjusted, the left and right movement of the arm is limited, the first screw rod 7 is synchronously rotated again, the moving block 8 is driven by the first screw rod 7 under the action of the moving groove, the clamping block 9 is driven by the moving block 8 to synchronously move the locking clamping band 10, the locking clamp 10 contacts with the arm to complete the limit locking of the arm of the patient, thereby being more convenient for the follow-up treatment work.
In this embodiment, according to the thickness of the arm placed, the second screw 12 is rotated, under the action of the chute, the second screw 12 drives the slider 13 to drive the adjusting plate 19 to synchronize, the extension of the adjusting plate 19 in the connecting slot is changed, the space between the baffle 6 and the side plate 5 is adjusted, the limiting effect is achieved on the left-right movement of the arm, the first screw 7 is rotated again synchronously, under the action of the moving slot, the first screw 7 drives the moving block 8, the moving block 8 drives the clamping block 9 to enable the locking clamping belt 10 to synchronously move, the locking clamping belt 10 contacts with the arm, the limiting locking of the arm of a patient is completed, and the follow-up treatment work is more convenient to carry out.
Example 2
As shown in fig. 1 and 2, based on the same concept as that of the above embodiment 1, this embodiment further proposes that a connecting hole is provided at one end of the hinge shaft 3, the inner wall of the connecting hole is rotationally connected with a rotating shaft 14, the outer wall of the rotating shaft 14 is fixedly connected with the armrest plate 4, a fixing lug 15 is fixedly provided at one side of the supporting block 2, the inner wall of the fixing lug 15 is rotationally connected with a worm 16, the top of the worm 16 is engaged and connected with a worm wheel 17, the inner wall of the worm wheel 17 is fixedly connected with the rotating shaft 14, one end of the worm 16 is fixedly provided with a rotating button 18, after the clamping block 9 is inserted into the moving block 8, the rotating bolt 11 is respectively connected with the moving block 8 and the clamping block 9, so as to fix the clamping block 9, the locking clamp bands 10 with different specifications can be replaced according to actual patient arms, the rotating button 18 drives the worm 16 in the fixing lug 15 to rotate, the worm 16 drives the worm wheel 17 to drive the rotating shaft 14, the armrest plate 4 to synchronously deflect while the rotating shaft 14 rotates in the hinge shaft 3, and the support angle of the armrest plate 4 is adjusted according to the actual leaning angle of the patient, so as to improve the comfort of the dental chair.
In this embodiment, after the fixture block 9 is inserted into the movable block 8, the rotation bolt 11 is respectively connected with the movable block 8 and the fixture block 9, the fixture block 9 is fixed, the locking clamping bands 10 with different specifications can be replaced according to the actual arm of a patient, the rotation knob 18 drives the worm 16 in the fixed lug 15 to rotate, the worm 16 drives the worm wheel 17 to drive the rotating shaft 14, the rotating shaft 14 drives the armrest plate 4 to synchronously deflect while rotating in the hinge shaft 3, and the support angle of the armrest plate 4 to the arm is adjusted according to the actual leaning angle of the patient, so that the comfort level of the dental chair in use is improved.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (8)
1. The utility model provides a dental chair handrail location locking device, its characterized in that, including support column (1), support column (1) are fixed on the dental chair, fixed supporting shoe (2) that are equipped with in top of support column (1) outer wall, the top of supporting shoe (2) is fixed and is equipped with articulated shaft (3), the top contact of articulated shaft (3) outer wall is connected with handrail board (4), the fixed curb plate (5) that is equipped with in one side of handrail board (4), the spread groove has been seted up to the opposite side of handrail board (4), the inner wall of spread groove alternates and is connected with regulating plate (19), the fixed baffle (6) that is equipped with in top of regulating plate (19), the removal groove has all been seted up to one side of baffle (6) and one side of curb plate (5), the equal rotation in inner wall in removal groove is connected with first screw rod (7), the equal threaded connection in outer wall of first screw rod (7) has movable block (8), the draw-in groove has all been seted up to the bottom of movable block (8), the inner wall in groove alternates and is connected with fixture block (9).
2. The dental chair armrest positioning and locking device according to claim 1, wherein one end of each of the two clamping blocks (9) is fixedly connected with a locking clamping belt (10), the outer wall of each of the moving blocks (8) is connected with a corresponding moving groove in a penetrating manner, and the top ends of the moving blocks (8) are connected with the corresponding clamping blocks (9) in a threaded manner through bolts (11).
3. The dental chair armrest positioning and locking device according to claim 1, wherein the bottoms of the inner walls of the connecting grooves are provided with sliding grooves, and the inner walls of the sliding grooves are rotatably connected with second screws (12).
4. A dental chair armrest positioning and locking device according to claim 3, characterized in that the outer wall of the second screw (12) is in threaded connection with a slider (13), the top end of the slider (13) being fixedly connected with an adjusting plate (19).
5. The dental chair armrest positioning and locking device according to claim 1, wherein a connecting hole is formed at one end of the hinge shaft (3), and a rotating shaft (14) is rotatably connected to the inner wall of the connecting hole.
6. The dental chair armrest positioning and locking device according to claim 5, wherein the outer wall of the rotating shaft (14) is fixedly connected with the armrest plate (4), and a fixing lug (15) is fixedly arranged on one side of the supporting block (2).
7. The dental chair armrest positioning and locking device according to claim 6, wherein the inner wall of the fixed ear (15) is rotatably connected with a worm (16), and the top of the worm (16) is engaged with a worm wheel (17).
8. The dental chair armrest positioning and locking device according to claim 7, wherein the inner wall of the worm wheel (17) is fixedly connected with the rotating shaft (14), and one end of the worm (16) is fixedly provided with a rotating button (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322121553.XU CN220714311U (en) | 2023-08-08 | 2023-08-08 | Armrest positioning and locking device of dental chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322121553.XU CN220714311U (en) | 2023-08-08 | 2023-08-08 | Armrest positioning and locking device of dental chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220714311U true CN220714311U (en) | 2024-04-05 |
Family
ID=90499775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322121553.XU Active CN220714311U (en) | 2023-08-08 | 2023-08-08 | Armrest positioning and locking device of dental chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220714311U (en) |
-
2023
- 2023-08-08 CN CN202322121553.XU patent/CN220714311U/en active Active
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