CN219230546U

CN219230546U - Dental comprehensive treatment chair

Info

Publication number: CN219230546U
Application number: CN202320742232.9U
Authority: CN
Inventors: 王中梁; 胡海峰
Original assignee: Tpc China Medical Devices Co ltd
Current assignee: Tpc China Medical Devices Co ltd
Priority date: 2023-04-06
Filing date: 2023-04-06
Publication date: 2023-06-23
Anticipated expiration: 2033-04-06

Abstract

The utility model relates to the technical field of medical equipment, in particular to a dental comprehensive treatment chair which comprises a seat body, an armrest mounting seat connected to the seat body, a first through hole arranged on the armrest mounting seat, a second through hole arranged on the armrest mounting seat, a sliding part movably connected with the inner wall of the second through hole, a boss movably connected with the inner wall of the first through hole, a resetting piece, an armrest body connected with one end of the sliding part, a limiting piece and a limiting structure arranged on the sliding part, wherein the first through hole and the second through hole are coaxially arranged; the aperture of the first through hole is larger than that of the second through hole; the resetting piece is sleeved outside the other end of the sliding piece. The sliding piece, the resetting piece, the handrail body, the boss, the first through hole, the second through hole, the limiting piece and the limiting structure are convenient to match, and the handrail body is convenient to rotate; the position of the sliding piece is stable after the sliding piece is limited by the handrail mounting seat.

Description

Dental comprehensive treatment chair

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a dental comprehensive treatment chair.

Background

The existing dental comprehensive treatment chair is basic equipment of dental departments of various hospitals, and consists of six parts including a main machine, a dental turbine handpiece, a water-air path system, a control circuit, auxiliary equipment, a dental chair and the like, and can effectively treat dental diseases. A movable armrest structure is disclosed in patent application number CN202220078529.5, entitled movable armrest structure, comprising a sleeve, an armrest body, and a snap-fit movable assembly. In first joint portion and second joint portion, one of them is joint groove structure, and another one is joint lug structure, and joint groove structure is the trapezoid along the cross section of axle sleeve axial direction, and the large opening of trapezoid is towards one side of second joint portion, and the elastic component is used for providing the effort of going to the rotation part direction for the movable block, makes joint lug structure and joint groove structure match inseparable block. In the patent, if the seat needs to be adjusted, the armrest body can be driven to rotate only after the movable block is pushed to unlock the armrest body, the rotation of the armrest body is complex and complicated, and the rotation structure of the armrest body is complex; and the armrest body can not be detached from the seat body, so that the occupied space is large when the dental comprehensive therapeutic apparatus is packaged and shipped, and the transportation and shipment cost is increased. Thus, the drawbacks are quite apparent and there is a need to provide a solution.

Disclosure of Invention

In order to solve the technical problems, the utility model aims to provide a dental comprehensive treatment chair.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a dental unit treatment chair, it includes the seat body, connect in the handrail mount pad of seat body, set up the first through-hole on the handrail mount pad, set up on the handrail mount pad and with the second through-hole of first through-hole intercommunication, with the sliding part of the inner wall swing joint of second through-hole, with the boss of the inner wall swing joint of first through-hole, both ends respectively with boss and the reset piece of the conflict of the pore wall of first through-hole, the handrail body of being connected with one end of sliding part, set up the spacing piece on the sliding part and inwards concave limit structure who establishes by the lateral wall on the top of handrail mount pad, first through-hole and second through-hole coaxial setting; the aperture of the first through hole is larger than that of the second through hole; the resetting piece is sleeved outside the other end of the sliding piece.

Further, the number of the limiting pieces is two, and the two limiting pieces are coaxially arranged; the number of the limiting structures is two, one limiting structure comprises two limiting grooves, one limiting structure is arranged coaxially with the two limiting grooves, two limiting structures are arranged in a staggered mode, and two limiting parts can be respectively inserted into one limiting structure.

Further, the first through hole and the second through hole penetrate through the handrail mounting seat along the vertical direction, and the central shaft of the second through hole and the central shaft of the limiting structure are coaxially arranged.

Further, the slider is connected with the boss via a fastener.

Further, the dental unit chair further comprises a backrest component and a cushion component which are respectively detachably connected with the chair body.

Further, the cushion assembly comprises a cushion extension rod, a cushion support rod arranged on the seat body and a connecting rod with one end inserted in the cushion support rod and in interference fit with the inner wall of the cushion support rod, wherein the other end of the connecting rod is inserted in the cushion extension rod.

Further, be provided with first extension board on the cushion bracing piece, dental unit treatment chair still includes the second extension board that sets up on the handrail mount pad, first extension board and second extension board detachably connect.

Further, the dental unit chair further comprises a backrest connecting plate arranged on the chair body and a first threaded hole arranged on the backrest connecting plate, the backrest assembly comprises a backrest body and a second threaded hole arranged on the backrest body, and the first threaded hole can be communicated with the second threaded hole.

Further, the backrest assembly further comprises a headrest structure arranged on the backrest body in a lifting mode.

Further, the sliding piece can rotate or/and slide relative to the inner wall of the second through hole, and the boss can rotate or/and slide relative to the inner wall of the first through hole.

The utility model has the beneficial effects that: the sliding piece, the resetting piece, the handrail body, the boss, the first through hole, the second through hole, the handrail mounting seat, the limiting piece and the limiting structure are convenient to match, the handrail body can be directly driven to rotate without locking or unlocking, and the handrail body is convenient to rotate; the sliding part is stable in position after being limited by the armrest mounting seat, and is not easy to shake or deviate.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a partial cross-sectional view of the present utility model.

Fig. 3 is a partial exploded view of the present utility model.

FIG. 4 is a schematic diagram showing a three-dimensional structure of the present utility model

Reference numerals illustrate:

1. a seat body; 2. a backrest assembly; 3. a seat cushion assembly; 4. a handrail mounting seat; 5. a first through hole; 6. a second through hole; 7. a slider; 8. a boss; 9. a handrail body; 10. a reset member; 11. a limiting piece; 12. a limit structure; 13. a fastener; 14. a cushion extension rod; 15. a cushion support rod; 16. a connecting rod; 17. a first extension plate; 18. a second extension plate; 19. a backrest connecting plate; 20. a backrest body; 21. a headrest structure; 22. and a limit groove.

Detailed Description

The utility model will be further described with reference to examples and drawings, to which reference is made, but which are not intended to limit the scope of the utility model.

As shown in fig. 1 to 4, the dental comprehensive treatment chair provided by the utility model comprises a seat body 1, a handrail installation seat 4 connected to the seat body 1, a first through hole 5 arranged on the handrail installation seat 4, a second through hole 6 arranged on the handrail installation seat 4 and communicated with the first through hole 5, a sliding piece 7 slidingly connected with the inner wall of the second through hole 6, a boss 8 slidingly connected with the inner wall of the first through hole 5, a reset piece 10 with two ends respectively abutting against the boss 8 and the hole wall of the first through hole 5, a handrail body 9 connected with one end of the sliding piece 7 protruding out of the second through hole 6, a limiting piece 11 arranged on the sliding piece 7 and a limiting structure 12 concavely arranged inwards by the outer side wall of the top end of the handrail installation seat 4, wherein the first through hole 5 and the second through hole 6 are coaxially arranged; the aperture of the first through hole 5 is larger than that of the second through hole 6; the resetting piece 10 is sleeved outside the other end of the sliding piece 7 protruding out of the second through hole 6; the limiting structure 12 is communicated with the second through hole 6; the limiting piece 11 can be inserted into the limiting structure 12; the slider 7 is rotatable relative to the inner wall of the second through hole 6 and the boss 8 is rotatable relative to the inner wall of the first through hole 5. The armrest body 9, the sliding piece 7 and the boss 8 are arranged in sequence from top to bottom. The limiting structure 12 can be matched with the limiting piece 11 in a concave-convex mode.

Specifically, the first through hole 5 and the second through hole 6 are circular in top projection view; the number of the limiting pieces 11 is two, and the two limiting pieces 11 are coaxially arranged; the number of the limiting structures 12 is two, one limiting structure 12 comprises two limiting grooves 22, the two limiting grooves 22 of one limiting structure 12 are coaxially arranged, the two limiting structures 12 are staggered, and the two limiting pieces 11 can be respectively inserted into the two limiting grooves 22 of one limiting structure 12; the first through hole 5 and the second through hole 6 penetrate through the handrail mounting seat 4 along the vertical direction, and the central axis of the second through hole 6 is coaxial with the central axis of the limiting structure 12; the return member 10 may be a spring. When the two limiting grooves 22 of the limiting member 11, which are the limiting structures 12, can abut against the groove walls of the two limiting grooves 22, the length of the sliding member 7 protruding into the first through hole 5 is greater than the groove depth of the limiting structures 12. In the actual use process, because the armrest body 9 is located at two sides of the seat body 1, when a patient needs to sit on the seat body 1 or stand up from the seat body 1, the armrest body 9 is easy to cause inconvenience to the action of the patient, the patient can hold the armrest body 9, the armrest body 9 drives the sliding part 7, the limiting part 11 and the boss 8 to synchronously move upwards, the sliding part 7 and the boss 8 slide upwards relative to the inner walls of the second through hole 6 and the first through hole 5, the resetting part 10 is compressed and stores elastic potential energy, meanwhile, the limiting part 11 moves out of the limiting structure 12, then the armrest body 9, the sliding part 7, the limiting part 11 and the boss 8 are manually driven to rotate, the sliding part 7 and the boss 8 rotate relative to the inner walls of the second through hole 6 and the first through hole 5 until the limiting part 11 is located above the other limiting structure 12, then the resetting part 10 releases the elastic potential energy and drives the boss 8, the sliding part 7, the armrest body 9 and the limiting part 11 to reset downwards, and the limiting part 11 moves downwards into the other limiting structure 12, so that the position of the armrest body 9 on the armrest mounting seat 4 is limited again. The sliding piece 7, the resetting piece 10, the handrail body 9, the boss 8, the first through hole 5, the handrail mounting seat 4, the second through hole 6, the limiting piece 11 and the limiting structure 12 are convenient to match, the handrail body 9 can be directly driven to rotate without locking or unlocking, and the handrail body 9 is convenient to rotate; the slider 7 is stable in position after being restrained by the armrest mount 4, and is not liable to shake or shift.

Further, the slider 7 is connected with the boss 8 via a fastener 13.

In the actual installation process, insert boss 8 in first through-hole 5 from the below of first through-hole 5, insert slider 7 in second through-hole 6 from the top of second through-hole 6, then fastener 13 stretches into behind first through-hole 5 from the below of first through-hole 5, insert boss 8 and slider 7 in proper order again in order to lock boss 8 and slider 7 to realize installing handrail body 9 to handrail mount pad 4, handrail body 9 simple to operate.

Further, the dental unit chair further comprises a backrest assembly 2 and a cushion assembly 3 which are detachably connected with the seat body 1, respectively.

In the actual packaging and shipping process, the seat body 1, the backrest component 2 and the cushion component 3 are disassembled, the seat body 1, the backrest component 2 and the cushion component 3 are compactly assembled in the packaging box, the space in the packaging box is fully utilized, and then the shipment is carried out, so that the space occupied by the dental comprehensive treatment chair for shipment is effectively reduced, and the shipment cost is saved. After the dental comprehensive treatment chair is received, the chair body 1, the backrest component 2 and the cushion component 3 can be used after being combined.

Further, the cushion assembly 3 includes a cushion extension rod 14, a cushion support rod 15 disposed on the seat body 1, and a connecting rod 16 with one end inserted in the cushion support rod 15 and in interference fit with the inner wall of the cushion support rod 15, and the other end of the connecting rod 16 is inserted in the cushion extension rod 14.

In actual use, the first locking member (screw, bolt or bolt) is inserted into the cushion extension rod 14 and the connecting rod 16 to connect the cushion extension rod 14 with the cushion support rod 15. The connection between the cushion support rod 15 and the cushion extension rod 14 is convenient and quick. The cushion extension rod 14 is detached from the connecting rod 16, so that the overall length of the dental comprehensive treatment chair is shortened, and the dental comprehensive treatment chair is convenient to package and convey.

Further, the cushion support rod 15 is provided with a first extension plate 17, the dental unit treatment chair further comprises a second extension plate 18 arranged on the armrest mounting seat 4, and the first extension plate 17 is detachably connected with the second extension plate 18.

In the actual use process, the second locking piece (screw, bolt or bolt) is inserted into the first extension plate 17 and the second extension plate 18 to connect the first extension plate 17 with the second extension plate 18, and the connection between the first extension plate 17 and the second extension plate 18 is convenient. The second extension plate 18 is detached from the first extension plate 17, so that the armrest body 9 and the armrest mounting seat 4 can be detached from the seat body 1, the overall width of the dental comprehensive therapeutic apparatus is reduced, the armrest body 9 and the armrest mounting seat 4 can be plugged into a gap between the seat body 1 and a packing box during packing, and the space occupied by packing is further reduced.

Further, the dental unit chair further comprises a backrest connecting plate 19 disposed on the seat body 1 and a first threaded hole (not shown in the figure) disposed on the backrest connecting plate 19, the backrest assembly 2 comprises a backrest body 20 and a second threaded hole (not shown in the figure) disposed on the backrest body 20, and the first threaded hole can be communicated with the second threaded hole.

In the actual use process, the locking pieces (threaded on the screw or the screw) sequentially penetrate through the first threaded hole and the second threaded hole to connect the backrest connecting plate 19 and the backrest body 20, so that the backrest body 20 and the seat body 1 are firmly connected. The backrest body 20 is detached from the backrest connecting plate 19, so that the backrest assembly 2 can be detached from the seat body 1, the overall height of the dental comprehensive therapeutic apparatus is reduced, the backrest assembly 2 can be plugged into a gap between the seat body 1 and the packing box during packing, and the space occupied by packing is further reduced.

Further, the backrest assembly 2 further comprises a headrest structure 21 arranged on the backrest body 20 in a lifting manner.

In the actual use process, the headrest structure 21 and the backrest assembly 2 are connected via a lifting structure, and the lifting structure may adopt an existing lifting device, which is not described herein. The headrest structure 21 is additionally arranged, so that the head of a patient can be conveniently supported, and the comfort level in the use process is improved.

All technical features in the embodiment can be freely combined according to actual needs.

The foregoing embodiments are preferred embodiments of the present utility model, and in addition, the present utility model may be implemented in other ways, and any obvious substitution is within the scope of the present utility model without departing from the concept of the present utility model.

Claims

1. A dental unit chair, characterized in that: the novel armrest comprises a seat body (1), an armrest mounting seat (4) connected to the seat body (1), a first through hole (5) arranged on the armrest mounting seat (4), a second through hole (6) arranged on the armrest mounting seat (4) and communicated with the first through hole (5), a sliding part (7) movably connected with the inner wall of the second through hole (6), a boss (8) movably connected with the inner wall of the first through hole (5), a reset part (10) with two ends respectively abutting against the boss (8) and the hole wall of the first through hole (5), an armrest body (9) connected with one end of the sliding part (7), a limiting part (11) arranged on the sliding part (7) and a limiting structure (12) formed by inwards concavely arranging the outer side wall of the top end of the armrest mounting seat (4), wherein the first through hole (5) and the second through hole (6) are coaxially arranged; the aperture of the first through hole (5) is larger than that of the second through hole (6); the resetting piece (10) is sleeved outside the other end of the sliding piece (7); the limiting structure (12) can be matched with the limiting piece (11) in a concave-convex mode.

2. A dental unit as in claim 1, wherein: the number of the limiting pieces (11) is two, and the two limiting pieces (11) are coaxially arranged; the number of the limiting structures (12) is two, one limiting structure (12) comprises two limiting grooves (22), the two limiting grooves (22) of the limiting structure (12) are coaxially arranged, the two limiting structures (12) are arranged in a staggered mode, and the two limiting pieces (11) can be respectively inserted into the two limiting grooves (22) of the limiting structure (12).

3. A dental unit as in claim 2, wherein: the first through hole (5) and the second through hole (6) penetrate through the handrail mounting seat (4) along the vertical direction, and the central shaft of the second through hole (6) and the central shaft of the limiting structure (12) are coaxially arranged.

4. A dental unit according to claim 3, wherein: the slider (7) is connected with the boss (8) via a fastener (13).

5. A dental unit as in claim 1, wherein: the dental comprehensive treatment chair further comprises a backrest component (2) and a cushion component (3) which are respectively and detachably connected with the seat body (1).

6. A dental unit as in claim 5, wherein: the seat cushion assembly (3) comprises a seat cushion extension rod (14), a seat cushion support rod (15) arranged on the seat body (1) and a connecting rod (16) with one end inserted into the seat cushion support rod (15) and in interference fit with the inner wall of the seat cushion support rod (15), wherein the other end of the connecting rod (16) is inserted into the seat cushion extension rod (14).

7. A dental unit as in claim 6, wherein: the dental comprehensive treatment chair is characterized in that a first extension plate (17) is arranged on the cushion support rod (15), the dental comprehensive treatment chair further comprises a second extension plate (18) arranged on the armrest mounting seat (4), and the first extension plate (17) is detachably connected with the second extension plate (18).

8. A dental unit as in claim 5, wherein: the dental comprehensive treatment chair further comprises a backrest connecting plate (19) arranged on the seat body (1) and a first threaded hole arranged on the backrest connecting plate (19), wherein the backrest assembly (2) comprises a backrest body (20) and a second threaded hole arranged on the backrest body (20), and the first threaded hole can be communicated with the second threaded hole.

9. A dental unit as in claim 8, wherein: the backrest assembly (2) further comprises a headrest structure (21) which is arranged on the backrest body (20) in a lifting mode.

10. A dental unit as in claim 1, wherein: the sliding piece (7) can rotate or/and slide relative to the inner wall of the second through hole (6), and the boss (8) can rotate or/and slide relative to the inner wall of the first through hole (5).