CN219629143U - Doctor seat - Google Patents

Abstract

The utility model relates to the technical field of seats, in particular to a doctor seat which comprises a supporting component, a cushion component and a backrest component rotationally connected with the cushion component, wherein the supporting component comprises a locking structure, a first supporting leg, a second supporting leg and a limiting structure arranged at one side of the bottom end of the cushion component, the other side of the bottom end of the cushion component is hinged with one end of the first supporting leg, and the middle part of the first supporting leg is hinged with the middle part of the second supporting leg; the other end of the second supporting leg can rotate or protrude into the limiting structure, and the locking structure is used for locking the second supporting leg in the limiting structure. The first support leg and the second support leg of the utility model are convenient to fold and unfold. The space occupied by the first supporting leg, the second supporting leg, the back component and the cushion component in the folded state is minimum, so that the packaging and delivery are convenient, and the transportation cost is saved. The doctor seat has good stability and safety in the use process.

Description

Doctor seat

Technical Field

The utility model relates to the technical field of seats, in particular to a doctor seat.

Background

Many patients with stomatopathy have long diagnosis and treatment time, and various complicated and fine treatment and prevention works are performed in the oral cavity with a narrow visual field, so that more and more doctor seats are brought along for facilitating daily work of stomatologists. The patent application with the application number of CN201210582189.0 and the application day of a folding chair discloses a movable herringbone bracket consisting of a backrest oblique leg and a support oblique leg, wherein the middle part of the bracket is provided with a seat plate which is movably connected with the backrest oblique leg and the support oblique leg; the backrest oblique foot and the support oblique foot are movably connected through a first movable shaft; the seat board is movably connected with the backrest oblique legs through a second movable shaft, and the seat board is movably connected with the support oblique legs through connecting sheets; and a limiting clamping groove for limiting the connecting sheet is fixedly arranged on the seat board. The folding chair in the patent application has the advantages that the backrest cannot be folded, so that the folded folding chair is longer in length, and the occupied space is larger during packaging and transportation; in addition, the lack of locking means in this patent application results in poor stability of the folding chair after deployment. Thus, the drawbacks are quite apparent and there is a need to provide a solution.

Disclosure of Invention

In order to solve the above technical problems, an object of the present utility model is to provide a doctor seat.

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

the utility model provides a doctor's seat, its includes supporting component, cushion subassembly and the back subassembly of being connected with cushion subassembly rotation, the supporting component includes locking structure, first supporting leg, second supporting leg and sets up the limit structure in one side of the bottom of cushion subassembly, the opposite side of the bottom of cushion subassembly is articulated with one end of first supporting leg, the middle part of first supporting leg is articulated with the middle part of second supporting leg; the other end of the second supporting leg can rotate or protrude into the limiting structure, and the locking structure is used for locking the second supporting leg in the limiting structure.

Further, the other ends of the first supporting leg and the second supporting leg are respectively provided with a universal wheel assembly.

Further, limit structure is including setting up in the locating part of the bottom of cushion subassembly and the holding chamber that forms by the lateral wall indent of locating part, the one end of second supporting leg can rotate or stretch to the holding intracavity, locking structure is used for locking the second supporting leg at the holding intracavity.

Further, the locking structure comprises a ring buckle, an installation seat arranged on the limiting piece, an installation cavity penetrating through the installation seat and capable of being communicated with the accommodating cavity, a connecting piece movably arranged in the installation cavity, a bolt which is in sliding connection with the inner wall of the installation cavity and capable of protruding into the accommodating cavity, a boss formed by protruding of the inner wall of the installation cavity and an elastic piece sleeved outside the connecting piece, and one end of the connecting piece is connected with the bolt; the other end of the connecting piece protrudes out of the mounting cavity and is connected with the ring buckle; the elastic piece is positioned between the bolt and the boss and can be respectively abutted against the bolt and the boss.

Further, the limiting structure further comprises a limiting groove formed by inwards concavely arranging the outer side wall of the second supporting leg, and the bolt can be inserted into the limiting groove.

Further, the second supporting leg comprises a first telescopic rod, a second telescopic rod and a third telescopic rod, and two ends of the third telescopic rod are respectively connected with one end of the first telescopic rod and one end of the second telescopic rod; the middle parts of the first telescopic rod and the second telescopic rod are respectively hinged with the middle parts of the first supporting legs, the third telescopic rod can rotate into the limiting structure, and the locking structure is used for locking the third telescopic rod into the limiting structure.

Further, the first supporting leg comprises two fifth telescopic rods, the second supporting leg further comprises a fourth telescopic rod, two ends of the fourth telescopic rod are respectively connected with the middle parts of the first telescopic rod and the second telescopic rod, one end of each fifth telescopic rod is respectively hinged with the cushion assembly, and two ends of each fourth telescopic rod are respectively hinged with the middle parts of the two fifth telescopic rods.

Further, the back rest assembly comprises a base, a rotating piece and a soft cushion arranged at one end of the rotating piece, the other end of the rotating piece is hinged with one end of the base, and the other end of the base is inserted into the bottom end of the cushion assembly.

Further, the rotating piece is L-shaped, and one end of the base protrudes out of the cushion assembly and is hinged with the rotating piece; the other end of the base is in threaded connection with the cushion component.

The utility model has the beneficial effects that: the utility model has low production cost, simple and compact structure, and the first support leg and the second support leg are convenient to fold and unfold. The space occupied by the first supporting leg, the second supporting leg, the back component and the cushion component in the folded state is minimum, so that the packaging and delivery are convenient, and the transportation cost is saved. The locking structure is additionally arranged to lock the position of the second supporting leg in the limiting structure, so that the stability and safety of the doctor seat in the use process are improved.

Drawings

Fig. 1 is a schematic perspective view of the present utility model in an unfolded state.

Fig. 2 is a schematic perspective view of the folded state of the present utility model.

Fig. 3 is a partial cross-sectional view of the present utility model.

Fig. 4 is an enlarged view at a in fig. 3.

Fig. 5 is an exploded view of the fifth telescopic rod of the present utility model.

Reference numerals illustrate:

1. a seat cushion assembly; 2. a backrest assembly; 3. a support assembly; 4. a locking structure; 5. a first support leg; 6. a second support leg; 7. a limit structure; 8. a universal wheel assembly; 21. a base; 22. a rotating member; 23. a soft cushion; 41. a mounting base; 42. a mounting cavity; 43. a connecting piece; 44. a ring buckle; 45. a plug pin; 46. a boss; 47. an elastic member; 61. a first telescopic rod; 62. a second telescopic rod; 63. a third telescopic rod; 64. a fourth telescopic rod; 51. a fifth telescopic rod; 52. a second lever body; 53. a first lever body; 54. an elastic fastener; 55. a first mounting hole; 56. a second mounting hole; 71. a limiting piece; 72. a receiving chamber; 73. 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 5, the present utility model provides a doctor seat, which comprises a support assembly 3, a cushion assembly 1 and a backrest assembly 2 rotatably connected with the cushion assembly 1, wherein the support assembly 3 comprises a locking structure 4, a first support leg 5, a second support leg 6 and a limit structure 7 arranged at one side of the bottom end of the cushion assembly 1, the other side of the bottom end of the cushion assembly 1 is hinged with one end of the first support leg 5, and the middle part of the first support leg 5 is hinged with the middle part of the second support leg 6; the other end of the second supporting leg 6 can rotate or protrude into the limiting structure 7, and the locking structure 4 is used for locking the second supporting leg 6 in the limiting structure 7.

Specifically, the other ends of the first support leg 5 and the second support leg 6 are each provided with a universal wheel assembly 8. When the doctor seat is in the folded state as shown in fig. 2, the included angle between the first supporting leg 5 and the cushion assembly 1, the included angle between the second supporting leg 6 and the cushion assembly 1 and the included angle between the backrest assembly 2 and the cushion assembly 1 are all in the minimum state, at this time, the included angle between the first supporting leg 5 and the second supporting leg 6 and the cushion assembly 1 is approximately between 2-10 degrees, and the top end surfaces of the backrest assembly 2 and the cushion assembly 1 are closely attached. When the doctor seat needs to be unfolded, the first supporting leg 5 is manually driven to rotate relative to the cushion assembly 1 in a direction away from the cushion assembly 1, and the first supporting leg 5 synchronously drives the second supporting leg 6 to synchronously rotate in a direction away from the cushion assembly 1; then the middle part of the second supporting leg 6 is driven to rotate relative to the middle part of the first supporting leg 5 until one end, far away from the universal wheel assembly 8, of the second supporting leg 6 can rotate or protrude into the limiting structure 7, and the rotation of the first supporting leg 5 and the second supporting leg 6 is stopped; the second supporting leg 6 is locked in the limiting structure 7 through the locking structure 4; finally, the backrest assembly 2 is manually driven to move in a direction away from the cushion assembly 1 until the backrest assembly 2 is perpendicular to the cushion assembly 1 or at an obtuse angle, at which time the physician's seat is in the unfolded state as shown in fig. 1, and the first support leg 5 crosses the second support leg 6 to support the cushion assembly 1. The utility model has low production cost, simple and compact structure, and the first support leg 5 and the second support leg 6 are convenient to fold and unfold. The space occupied by the first supporting leg 5, the second supporting leg 6, the back support component 2 and the cushion component 1 in the folded state is minimum, so that the packaging and delivery are convenient, and the transportation cost is saved. The locking structure 4 is additionally arranged to lock the position of the second supporting leg 6 in the limiting structure 7, so that the stability and safety of the doctor seat in the use process are improved.

Further, the limiting structure 7 includes a limiting member 71 disposed at the bottom end of the cushion assembly 1 and a receiving cavity 72 formed by recessing an outer side wall of the limiting member 71 inward, one end of the second support leg 6 can rotate or protrude into the receiving cavity 72, and the locking structure 4 is used for locking the second support leg 6 in the receiving cavity 72.

Specifically, the locking structure 4 includes a ring 44, a mounting seat 41 disposed on the limiting member 71, a mounting cavity 42 penetrating through the mounting seat 41 and capable of communicating with the accommodating cavity 72, a connecting member 43 movably disposed in the mounting cavity 42, a bolt 45 slidably connected with an inner wall of the mounting cavity 42 and capable of protruding into the accommodating cavity 72, a boss 46 protruding from the inner wall of the mounting cavity 42, and an elastic member 47 sleeved outside the connecting member 43, wherein one end of the connecting member 43 is connected with the bolt 45; the other end of the connecting piece 43 protrudes out of the mounting cavity 42 and is connected with a ring buckle 44, and the ring buckle 44 can be abutted against the outer side wall of the mounting seat 41; the elastic member 47 is located between the latch 45 and the boss 46 and can abut against the latch 45 and the boss 46, respectively. The limiting structure 7 further comprises a limiting groove 73 formed by inwards concavely arranging the outer side wall of the second supporting leg 6, and the bolt 45 can be inserted into the limiting groove 73.

In practical use, the elastic member 47 may be a spring, when the doctor seat is in a folded state, the latch 45 protrudes into the accommodating cavity 72, when the end of the second support leg 6 far away from the universal wheel assembly 8 is driven to rotate or protrude into the accommodating cavity 72, the second support leg 6 extrudes and drives the latch 45 to slide into the mounting cavity 42 in a direction close to the mounting cavity 42, meanwhile, the elastic member 47 between the latch 45 and the boss 46 is compressed and stores elastic potential energy until the second support leg 6 protrudes into the accommodating cavity 72 completely, the second support leg 6 does not extrude the latch 45 any more, the elastic member 47 releases the elastic potential energy and drives the latch 45 to slide away from the mounting cavity 42 relative to the mounting cavity 42 until the latch 45 is inserted into the limiting groove 73, and the latch 45 is in concave-convex fit with the limiting groove 73, thereby realizing locking the second support leg 6 in the limiting groove 73. When the locking of the locking structure 4 to the second supporting leg 6 needs to be released, the connecting piece 43 and the latch 45 are driven to slide towards the direction close to the mounting cavity 42 by the ring buckle 44, so that the latch 45 moves out of the limiting groove 73 and the accommodating cavity 72, at the moment, the elastic piece 47 is compressed and stores elastic potential energy, and the first supporting leg 5 and the second supporting leg 6 are driven to rotate to move out of the accommodating cavity 72 by the second supporting leg 6, so that the locking of the second supporting leg 6 and the limiting piece 71 is released, the ring buckle 44 is released, and the elastic piece 47 releases elastic potential energy and drives the latch 45, the connecting piece 43 and the ring buckle 44 to reset. The ring 44 may be an existing key ring, a through hole is formed through one end of the connecting piece 43 away from the latch 45, and the ring 44 can be inserted into the through hole. The locking structure 4 has simple structure, convenient matching with the limiting structure 7 and low production and processing cost. The limiting groove 73 is additionally arranged, and the bolt 45 is inserted into the limiting groove 73, so that stability of the locking structure 4 when the second supporting leg 6 and the limiting piece 71 are locked is improved. In addition, the length of the limiting groove 73 can be increased to reduce the limitation of the limiting groove 73 on the position of the bolt 45 in the length direction, so that the position accuracy of the bolt 45 during installation is reduced, and the production and installation steps of the locking structure 4 and the limiting structure 7 are simplified.

Further, as shown in fig. 1, the second support leg 6 includes a first telescopic rod 61, a second telescopic rod 62 and a third telescopic rod 63, and two ends of the third telescopic rod 63 are respectively connected with one end of the first telescopic rod 61 and one end of the second telescopic rod 62; the middle parts of the first telescopic rod 61 and the second telescopic rod 62 are respectively hinged with the middle parts of the first supporting legs 5, the third telescopic rod 63 can rotate or protrude into the accommodating cavity 72, and the locking structure 4 is used for locking the third telescopic rod 63 in the accommodating cavity 72.

Specifically, the limiting groove 73 is formed by recessing the outer side wall of the third telescopic rod 63 inwards. The first supporting leg 5 comprises two fifth telescopic rods 51, the second supporting leg 6 further comprises a fourth telescopic rod 64, two ends of the fourth telescopic rod 64 are respectively connected with the middle parts of the first telescopic rod 61 and the second telescopic rod 62, one end of each fifth telescopic rod 51 is respectively hinged with the cushion assembly 1, and two ends of each fourth telescopic rod 64 are respectively hinged with the middle parts of the two fifth telescopic rods 51. The other ends of the first telescopic rod 61, the second telescopic rod 62 and the fifth telescopic rod 51 are respectively connected with the universal wheel assembly 8. In the actual use process, the first telescopic rod 61, the second telescopic rod 62, the third telescopic rod 63 and the fourth telescopic rod 64 are all located between the two fifth telescopic rods 51, and the second supporting leg 6 is in the rotating process, and the first telescopic rod 61, the second telescopic rod 62, the third telescopic rod 63 and the fourth telescopic rod 64 cannot interfere with the fifth telescopic rods 51, so that the rotation amplitude of the second supporting leg 6 is increased, the folded second supporting leg 6 can be attached to the cushion assembly 1 as much as possible, and the occupied space of the supporting assembly 3 after being folded is further reduced. The fourth telescopic rod 64 is additionally arranged, so that the synchronism and stability of the first supporting leg 5 driving the first telescopic rod 61, the second telescopic rod 62 and the third telescopic rod 63 in the rotation process are improved.

Further, the fifth telescopic rod 51 includes a first rod body 53, a second rod body 52 inserted in the first rod body 53 and slidably connected with an inner sidewall of the first rod body 53, an elastic fastener 54 disposed in the second rod body 52, a first mounting hole 55 disposed on the second rod body 52, and a plurality of second mounting holes 56 respectively disposed on the first rod body 53, wherein the elastic fastener 54 can sequentially protrude out of the first mounting hole 55 and the second mounting hole 56.

Specifically, the elastic fastener 54 is made of an elastic material. When the elastic fastener 54 is located in the second mounting hole 56, the first rod body 53 and the second rod body 52 are in a locking state, when the second rod body 52 needs to be driven to slide telescopically relative to the first rod body 53, the elastic fastener 54 is pressed to enable the elastic fastener 54 to deform elastically and extend out of the second mounting hole 56 towards the direction close to the first mounting hole 55, at the moment, the first rod body 53 and the second rod body 52 are unlocked, the second rod body 52 is manually driven to slide in the first rod body 53 to the other second mounting hole 56, after the inner side wall of the first rod body 53 is not in contact with the elastic fastener 54, the elastic fastener 54 releases elastic potential energy and protrudes into the other second mounting hole 56, and the positions of the first rod body 53 and the second rod body 52 are limited through the elastic fastener 54, so that the length adjustment of the fifth telescopic rod 51 is completed. The first rod body 53, the second rod body 52 and the elastic fastener 54 are convenient to lock and unlock, and the stability during locking is good; the elastic fasteners 54 may be conventional elastic fasteners 54, and the structure and function of the elastic fasteners are the same as or similar to those of the conventional elastic fasteners 54, and will not be described in detail herein.

Further, the first telescopic link 61 and the second telescopic link 62 have the same structure as the fifth telescopic link 51.

In the actual use process, the lengths of the first telescopic rod 61, the second telescopic rod 62 and the two fifth telescopic rods 51 are synchronously adjusted, so that the height of the cushion assembly 1 is adjusted, the cushion assembly can be suitable for users with different heights, and the practicability and the utilization rate of the cushion assembly are improved.

Further, as shown in fig. 3, the backrest assembly 2 includes a base 21, a rotating member 22, and a cushion 23 disposed at one end of the rotating member 22, wherein the other end of the rotating member 22 is hinged to one end of the base 21, and the other end of the base 21 is inserted into the bottom end of the cushion assembly 1.

Specifically, the rotating member 22 is L-shaped, one end of the base 21 protrudes out of the cushion assembly 1 and is hinged to the rotating member 22, and the base 21 is inserted into the cushion assembly 1 and then is in threaded connection with the cushion assembly 1. In the actual use process, the rotating piece 22 is arranged to be L-shaped, the base 21 protrudes out of the cushion assembly 1, the rotating piece 22 does not interfere with the rotation of the rotating piece 22 in the process of rotating towards the direction close to the cushion assembly 1 relative to the base 21, the rotating piece 22 increases in the rotating angle towards the direction close to the cushion body, and the rotating piece 22 can rotate towards the direction close to the cushion assembly 1 as far as possible until the cushion 23 is in interference with the cushion assembly 1. The end of the rotation member 22 near the cushion 23 can be rotated almost in parallel with the seat cushion assembly 1, and the folding angle of the rotation member 22 is large. The backrest component 2 has a simple structure, occupies a small space after the backrest component 2 and the backrest component are folded, and is favorable for packaging and delivery.

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 (9)

1. A physician's chair, characterized by: the seat cushion comprises a supporting component (3), a seat cushion component (1) and a backrest component (2) rotationally connected with the seat cushion component (1), wherein the supporting component (3) comprises a locking structure (4), a first supporting leg (5), a second supporting leg (6) and a limiting structure (7) arranged on one side of the bottom end of the seat cushion component (1), the other side of the bottom end of the seat cushion component (1) is hinged with one end of the first supporting leg (5), and the middle part of the first supporting leg (5) is hinged with the middle part of the second supporting leg (6); the other end of the second supporting leg (6) can rotate or protrude into the limiting structure (7), and the locking structure (4) is used for locking the second supporting leg (6) in the limiting structure (7).

2. A physician's chair as claimed in claim 1, wherein: the other ends of the first supporting leg (5) and the second supporting leg (6) are respectively provided with a universal wheel assembly (8).

3. A physician's chair as claimed in claim 1, wherein: the limiting structure (7) comprises a limiting part (71) arranged at the bottom end of the cushion assembly (1) and a containing cavity (72) formed by inwards concavely arranging the outer side wall of the limiting part (71), one end of the second supporting leg (6) can rotate or protrude into the containing cavity (72), and the locking structure (4) is used for locking the second supporting leg (6) in the containing cavity (72).

4. A physician's chair according to claim 3, characterized in that: the locking structure (4) comprises a ring buckle (44), an installation seat (41) arranged on a limiting piece (71), an installation cavity (42) penetrating through the installation seat (41) and capable of being communicated with the accommodating cavity (72), a connecting piece (43) movably arranged in the installation cavity (42), a bolt (45) slidably connected with the inner wall of the installation cavity (42) and capable of protruding into the accommodating cavity (72), a boss (46) formed by protruding of the inner wall of the installation cavity (42) and an elastic piece (47) sleeved outside the connecting piece (43), and one end of the connecting piece (43) is connected with the bolt (45); the other end of the connecting piece (43) protrudes out of the mounting cavity (42) and is connected with the ring buckle (44); the elastic piece (47) is positioned between the bolt (45) and the boss (46) and can respectively collide with the bolt (45) and the boss (46).

5. A physician's chair as claimed in claim 4, wherein: the limiting structure (7) further comprises a limiting groove (73) formed by inwards concavely arranging the outer side wall of the second supporting leg (6), and the bolt (45) can be inserted into the limiting groove (73).

6. A physician's chair as claimed in claim 1, wherein: the second supporting leg (6) comprises a first telescopic rod (61), a second telescopic rod (62) and a third telescopic rod (63), and two ends of the third telescopic rod (63) are respectively connected with one end of the first telescopic rod (61) and one end of the second telescopic rod (62); the middle parts of the first telescopic rod (61) and the second telescopic rod (62) are respectively hinged with the middle parts of the first supporting legs (5), the third telescopic rod (63) can rotate into the limiting structure (7), and the locking structure (4) is used for locking the third telescopic rod (63) in the limiting structure (7).

7. A physician's chair as claimed in claim 6, wherein: the first supporting leg (5) comprises two fifth telescopic rods (51), the second supporting leg (6) further comprises a fourth telescopic rod (64) with two ends respectively connected with the middle parts of the first telescopic rod (61) and the second telescopic rod (62), one end of each fifth telescopic rod (51) is respectively hinged with the cushion assembly (1), and two ends of each fourth telescopic rod (64) are respectively hinged with the middle parts of the two fifth telescopic rods (51).

8. A physician's chair according to any one of claims 1-7, characterized in that: the backrest assembly (2) comprises a base (21), a rotating piece (22) and a soft cushion (23) arranged at one end of the rotating piece (22), the other end of the rotating piece (22) is hinged with one end of the base (21), and the other end of the base (21) is inserted into the bottom end of the cushion assembly (1).

9. A physician's chair as claimed in claim 8, wherein: the rotating piece (22) is L-shaped, and one end of the base (21) protrudes out of the cushion assembly (1) and is hinged with the rotating piece (22); the other end of the base (21) is in threaded connection with the cushion component (1).