CN211512523U - Dental chair pitch/bidirectional hydraulic driving force system - Google Patents
Dental chair pitch/bidirectional hydraulic driving force system Download PDFInfo
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- CN211512523U CN211512523U CN201922056935.2U CN201922056935U CN211512523U CN 211512523 U CN211512523 U CN 211512523U CN 201922056935 U CN201922056935 U CN 201922056935U CN 211512523 U CN211512523 U CN 211512523U
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Abstract
The utility model belongs to the technical field of the technique of dental chair and specifically relates to a two-way hydraulic drive power system of dental chair pitching is related to, the on-line screen storage device comprises a base, be equipped with the support on the base, be equipped with on the support and bear the frame, it is equipped with the handrail to bear the frame, seat support and the back of the chair, it rotates with the back of the chair to bear the frame top, and the seat support offsets with the back of the chair, the handrail is located the both sides of seat support, and the handrail offsets with the back of the chair, the seat support with bear and be equipped with the pneumatic cylinder between the frame, the one end and the back of the chair rotation of pneumatic cylinder are connected, the telescopic other end of pneumatic cylinder stretches into in the cover, the one end that the pneumatic cylinder. Compared with the prior art, the bidirectional power oil cylinder is used for replacing the unidirectional power oil cylinder, so that the speed of the rotating chair back can be adjusted at any time, and the rotation of the chair back keeps the temporarily required movement speed, thereby optimizing the use experience.
Description
Technical Field
The utility model belongs to the technical field of the technique of dental chair and specifically relates to a dental chair is pitched/two-way hydraulic drive power system is related to.
Background
The dental chair is a device for oral surgery and examination and treatment of oral diseases, the requirements on the dental chair are higher and higher in order to optimize the use experience of patients and doctors, and the movement mode of the back of the dental chair is an important index for relieving the use experience of the patients and the doctors.
The conventional mechanical motion mode of the existing dental chair back is as follows: except that a motor is adopted as power, the other type of the hydraulic power is adopted, however, the traditional one-way hydraulic power is selected to control the backrest to return (pitch position movement) in the same industry, the pitch direction movement depends on the self weight of a patient and an extension spring to assist in operation, hydraulic oil in an oil cylinder is discharged into an oil storage device, and the purpose of pitch direction movement is achieved.
The hydraulic transmission belongs to unidirectional power, and has the defects that when the patient moves in the upward direction, the moving speed is different due to the difference of the body weight of the patient, particularly the weight of the child is light, and a doctor usually presses the chair back downwards with force to accelerate the upward movement speed in the leaning position, so that the clinical operation is inconvenient, and the treatment time is prolonged.
In order to solve the problem, the bidirectional power oil cylinder is designed according to the operation principle of the unidirectional power hydraulic oil cylinder, the speed of bidirectional movement can be adjusted at any time, and the temporarily required movement speed is kept.
Disclosure of Invention
The utility model aims at providing a dental chair is pitched/two-way hydraulic drive power system, according to one-way fortune power hydraulic cylinder's theory of operation, designs it into two-way power cylinder, and two-way motion's speed can be adjusted at any time to the velocity of motion that has kept interim demand.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides a two-way hydraulic drive power system of dental chair pitching, the on-line screen storage device comprises a base, be equipped with the support on the base, be equipped with on the support and bear the frame, bear and be equipped with handrail, seat support and the back of the chair, it rotates with the back of the chair to bear the frame and be connected, the seat support is arranged in and is born the top, and the seat support offsets with the back of the chair, the handrail is located the both sides of seat support, and handrail and the back of the chair offset, the seat support with bear and be equipped with the pneumatic cylinder between the frame, the one end and the back of the chair of pneumatic cylinder rotate to be connected, and the telescopic other end of pneumatic cylinder stretches into in the cover, and the one end that the pneumatic cylinder was kept away from.
By adopting the technical scheme, when a user uses the dental chair, the liquid through hole at one end of the hydraulic cylinder is filled with hydraulic liquid, and the liquid through hole at the other end of the hydraulic cylinder discharges the hydraulic liquid, so that the user can press the chair back to a proper position, and the user can lie on the dental chair conveniently; the hydraulic liquid is introduced into the liquid through hole at one end of the hydraulic cylinder, and the hydraulic liquid is discharged from the liquid through hole at the other end of the hydraulic cylinder, so that the hydraulic cylinder has double powers, the rotation of the chair back is more regular and orderly, the chair back is rotated more stably, and the experience of a user is optimized; in addition, the speed of the bidirectional movement of the hydraulic cylinder can be adjusted at any time, and the temporarily required movement speed is kept, so that a user does not need to press the chair back forcibly. The utility model has the advantages of being scientific and reasonable in design, the operation of being convenient for compares with prior art, utilizes two-way power cylinder to replace one-way power cylinder for the speed of the rotatory back of the chair can be adjusted at any time, and the rotation of the back of the chair has kept the velocity of motion that needs temporarily, thereby optimizes the use and experiences, is worth promoting.
The utility model discloses further set up to: one end of the hydraulic cylinder is provided with a mounting hole, the chair back is provided with a pin shaft, and the pin shaft can rotatably extend into the mounting hole.
Through adopting above-mentioned technical scheme, the pneumatic cylinder passes through the mounting hole and the round pin axle is installed on bearing the frame to it is rotatory along the round pin axle that the pneumatic cylinder is convenient for, so that the rotation of the back of the chair.
The utility model discloses further set up to: the telescopic other end tip of pneumatic cylinder is equipped with spacing arch, the sleeve pipe is equipped with the bearing groove that matches with spacing arch.
Through adopting above-mentioned technical scheme, in spacing arch stretched into the bearing groove, the restriction back of the chair was rotatory towards the direction of bowing.
The utility model discloses further set up to: the end part of the limiting bulge is in a round table shape, and the opening of the bearing groove is matched with the limiting bulge to be opened.
Through adopting above-mentioned technical scheme, be convenient for spacing arch stretch into the bearing groove to reduce the friction of spacing arch and bearing groove, be favorable to increase of service life.
The utility model discloses further set up to: the circumference of the limiting protrusion is provided with a limiting groove, the sleeve is provided with a bolt, and the bolt penetrates through and is abutted to the limiting groove.
Through adopting above-mentioned technical scheme, the bolt is contradicted with the spacing groove to the spacing protruding roll-off spacing groove of restriction, so that carry the dental chair.
To sum up, the utility model discloses a beneficial technological effect does:
the utility model has the advantages of being scientific and reasonable in design, the operation of being convenient for compares with prior art, utilizes two-way power cylinder to replace one-way power cylinder for the speed of the rotatory back of the chair can be adjusted at any time, and the rotation of the back of the chair has kept the velocity of motion that needs temporarily, thereby optimizes the use and experiences, is worth promoting.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.
In the figure, 1, a base; 2. a support; 3. a carrier; 4. a handrail; 5. a chair seat; 6. a chair back; 7. a hydraulic cylinder; 71. a liquid through hole; 72. mounting holes; 73. a limiting bulge; 731. a limiting groove; 8. a sleeve; 81. a bearing groove; 9. and (4) bolts.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, a pitching/bidirectional hydraulic driving force system for a dental chair disclosed by the present invention comprises a base 1, a bracket 2 is arranged on the base 1, and the bracket 2 is rotatably connected with the base 1; the support 2 is provided with a bearing frame 3, and the bearing frame 3 is rotatably connected with the support 2; the bearing frame 3 is provided with armrests 4, a seat 5 and a chair back 6, the chair back 6 is rotatably connected with the bearing frame 3, and the chair back 6 is positioned at one end of the bearing frame 3; seat support 5 places in the top that bears frame 3, and the one end of seat support 5 contradicts with back of the chair 6, and handrail 4 is located the both sides of seat support 5, and handrail 4 offsets with back of the chair 6. Bear and be equipped with pneumatic cylinder 7 between 3 and the seat support 5, the one end and the back of the chair 6 of pneumatic cylinder 7 rotate to be connected, and the telescopic other end of pneumatic cylinder 7 stretches into in the sleeve pipe 8, and the one end that pneumatic cylinder 7 was kept away from to sleeve pipe 8 rotates with the bottom of seat support 5 to be connected, and along with the flexible of pneumatic cylinder 7, back of the chair 6 is rotatory along bearing 3, realizes rotating back of the chair 6. One end of the hydraulic cylinder 7 is provided with a liquid through hole 71 communicated with the oil supply device, and the other end of the hydraulic cylinder 7 is provided with another liquid through hole 71 communicated with the oil supply device; when the oil supply device leads liquid into one liquid through hole 71, the other liquid through hole 71 discharges the liquid in the hydraulic cylinder 7 into the oil supply device, so that the hydraulic cylinder 7 can stretch and retract more stably and orderly, the rotary chair back 6 is more stable, and the experience of a user can be optimized; the liquid in the hydraulic cylinder 7 can be discharged into the hydraulic cylinder 7 from two ends of the hydraulic cylinder 7 in a two-way mode, so that the hydraulic cylinder 7 can stretch and retract, and the chair back 6 can be rotated conveniently.
One end of the hydraulic cylinder 7 is provided with a mounting hole 72, a pin shaft is arranged at the position where the chair back 6 is connected with the hydraulic cylinder 7, and the pin shaft can rotatably extend into the mounting hole 72 to realize the rotary connection of the chair back 6 and the hydraulic cylinder 7. A limiting protrusion 73 is arranged at the end part of the extensible end of the hydraulic cylinder 7, a bearing groove 81 is arranged in the sleeve 8, and the bearing groove 81 is matched with the limiting protrusion 73; when the limit protrusion 73 extends into the bearing groove 81, the backrest 6 cannot rotate in the downward direction. The end of the limiting protrusion 73 is in a round table shape, and the opening of the bearing groove 81 is matched with the limiting protrusion 73 to be opened, so that the limiting protrusion 73 can extend into the bearing groove 81. The circumference of the limiting bulge 73 is provided with a limiting groove 731, and the sleeve 8 is provided with a bolt 9; when the limiting protrusion 73 extends into the bearing groove 81, the protruding end of the bolt 9 is abutted against the limiting groove 731 to limit the limiting protrusion 73 to be pulled out from the bearing groove 81.
The implementation principle of the embodiment is as follows: when a user uses the dental chair, as the liquid through hole 71 at one end of the hydraulic cylinder 7 is filled with hydraulic liquid, the liquid through hole 71 at the other end of the hydraulic cylinder 7 discharges the hydraulic liquid, so that the user can press the chair back 6 to a proper position, and the user can lie on the dental chair conveniently; the hydraulic fluid is introduced into the fluid hole 71 at one end of the hydraulic cylinder 7, and the hydraulic fluid is discharged from the fluid hole 71 at the other end of the hydraulic cylinder 7, so that the hydraulic cylinder 7 has double power, the rotation of the chair back 6 is more regular and orderly, the chair back 6 is rotated more stably, and the experience of a user is optimized; in addition, the speed of the bidirectional movement of the hydraulic cylinder 7 can be adjusted at any time, and the temporarily required movement speed is maintained, so that the user does not need to press the seat back 6 with force. The utility model has the advantages of being scientific and reasonable in design, the operation of being convenient for compares with prior art, utilizes two-way power cylinder to replace one-way power cylinder for the speed of the rotatory back of the chair 6 can be adjusted at any time, and the rotation of the back of the chair 6 has kept interim required velocity of motion, thereby optimize and use experience, be worth promoting.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (5)
1. A pitch/bidirectional hydraulic driving force system of a dental chair is characterized in that: including base (1), be equipped with support (2) on base (1), be equipped with on support (2) and bear frame (3), bear frame (3) and be equipped with handrail (4), seat support (5) and back of the chair (6), bear frame (3) and rotate with back of the chair (6) and be connected, seat support (5) are arranged in and are born on frame (3), and seat support (5) and back of the chair (6) offset, handrail (4) are located the both sides of seat support (5), and handrail (4) and back of the chair (6) offset, be equipped with pneumatic cylinder (7) between seat support (5) and the frame (3), the one end and the back of the chair (6) of pneumatic cylinder (7) rotate and are connected, and the extendible other end of pneumatic cylinder (7) stretches into in sleeve pipe (8), and the one end that pneumatic cylinder (7) were kept away from in sleeve pipe (8) rotates with seat support (5) and is connected, and the one end of pneumatic cylinder (7) is equipped, the other end of the hydraulic cylinder (7) is provided with another liquid through hole (71) communicated with the oil supply device.
2. A pitch/bi-directional hydraulic drive system of a dental chair as claimed in claim 1, wherein: one end of the hydraulic cylinder (7) is provided with a mounting hole (72), the chair back (6) is provided with a pin shaft, and the pin shaft can rotatably extend into the mounting hole (72).
3. A pitch/bi-directional hydraulic drive system of a dental chair as claimed in claim 2, wherein: the extensible other end portion of the hydraulic cylinder (7) is provided with a limiting protrusion (73), and the sleeve (8) is provided with a bearing groove (81) matched with the limiting protrusion (73).
4. A pitch/bi-directional hydraulic drive system of a dental chair as claimed in claim 3, wherein: the end part of the limiting protrusion (73) is in a round platform shape, and the opening of the bearing groove (81) is matched with the limiting protrusion (73) to be opened.
5. A pitch/bi-directional hydraulic drive system of a dental chair as claimed in claim 3, wherein: the circumference of spacing arch (73) is equipped with spacing groove (731), sleeve pipe (8) are equipped with bolt (9), bolt (9) run through and contradict with spacing groove (731).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922056935.2U CN211512523U (en) | 2019-11-25 | 2019-11-25 | Dental chair pitch/bidirectional hydraulic driving force system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922056935.2U CN211512523U (en) | 2019-11-25 | 2019-11-25 | Dental chair pitch/bidirectional hydraulic driving force system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211512523U true CN211512523U (en) | 2020-09-18 |
Family
ID=72443879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922056935.2U Active CN211512523U (en) | 2019-11-25 | 2019-11-25 | Dental chair pitch/bidirectional hydraulic driving force system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211512523U (en) |
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2019
- 2019-11-25 CN CN201922056935.2U patent/CN211512523U/en active Active
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