CN219042894U - Protection fixing device for two sides of head of dental chair - Google Patents

Abstract

The protection fixing device for the two sides of the head of the dental chair comprises a dental chair headrest, wherein a left protection component is arranged on the left side of the dental chair headrest, and a right protection component is arranged on the right side of the dental chair headrest; the left protection component comprises a left protection plate and adjusting component, a left protection plate connecting component and a left protection plate locking component, the rear ends of the left protection plate and adjusting component are fixedly connected with one end of the left protection plate connecting component, the other end of the left protection plate connecting component is detachably clamped with the left protection plate locking component, and the left protection plate locking component is fixed on the left side of the back of the dental chair headrest; the right protection component and the left protection component have the same structure and are symmetrically arranged on the right side of the headrest of the dental chair. The utility model can adjust the width of the left guard plate and the right guard plate according to the width of the head, adjust the height of the left guard plate and the right guard plate according to the difference of sitting postures and the positions of the head sides, can integrally rotate to the rear of the headrest, and can be conveniently assembled and disassembled by one key, so that the oral cavity treatment operation is more convenient.

Description

Protection fixing device for two sides of head of dental chair

Technical Field

The utility model belongs to the technical field of dental chairs, and particularly relates to a protective fixing device for two sides of a dental chair head.

Background

Both during oral examination and during surgery, the dental chair device is relied upon. The prior dental chair structure, such as a multifunctional dental chair disclosed in patent CN201520731068.7, comprises a headrest, a backrest and a chair seat, wherein a waist pad is arranged at the joint of the backrest and the chair seat, and an automatic headgear replacing device is arranged at the headrest. The head rest in the existing dental chair structure is simple, and in the practical application process, the head is required to be kept as motionless as possible sometimes, so that the head is required to be fixed, the head width and the head length of patients with different body types are different, and the head fixing device with multiple positions, multiple angles and convenient disassembly and assembly is required. In order to solve the above problems, it is desirable to provide a novel dental chair head fixing device.

Disclosure of Invention

The utility model solves the technical problems that: the utility model provides a protection fixing device for two sides of a dental chair head, which is characterized in that the left guard plate assembly and the right guard plate assembly are arranged on two sides of a dental chair headrest, the width of the left guard plate and the width of the right guard plate can be adjusted according to the width of the head, the height of the left guard plate and the right guard plate can be adjusted according to different sitting postures and depending positions of the head side, the whole dental chair head can also rotate towards the rear of the headrest, and the dental chair head can be conveniently installed and detached by one key, so that the oral treatment operation is more convenient.

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

the protection fixing device for the two sides of the head of the dental chair comprises a dental chair headrest, wherein a left protection component is arranged on the left side of the dental chair headrest, and a right protection component is arranged on the right side of the dental chair headrest;

the left protection assembly comprises a left protection plate and adjusting assembly, a left protection plate connecting assembly and a left protection plate locking assembly, the rear end of the left protection plate and adjusting assembly is fixedly connected with one end of the left protection plate connecting assembly, the other end of the left protection plate connecting assembly is detachably clamped with the left protection plate locking assembly, and the left protection plate locking assembly is fixed on the left side of the back of the dental chair headrest;

the right protection component and the left protection component are identical in structure and symmetrically arranged on the right side of the headrest of the dental chair.

In the preferable mode of the scheme, the left protection plate and the adjusting component comprise a left protection plate, a protection plate rotating plate, a protection plate adjusting shaft and a protection plate adjusting fixed shaft, the back surface of the left protection plate is fixed with a protection plate fixing flange through a screw V, the protection plate fixing flange is connected with a hole at one end of the protection plate rotating plate through an anti-slip gasket and a rotating cover and can rotate around a corresponding hole of the protection plate rotating plate, and the locking handle is connected with the protection plate fixing flange through threads and controls the rotating tightness;

the hole, the compression cover and the anti-slip ring at the other end of the guard plate rotating plate are sequentially arranged at one end of the guard plate adjusting shaft, the guard plate rotating plate is rotatable around the axis of the guard plate adjusting shaft, the screw VI penetrates through the compression cover to be in threaded connection with the guard plate adjusting shaft and can adjust the rotating tightness, and the guard plate rotating plate and the guard plate adjusting shaft are locked through the locking screw I after rotating in place;

the guard plate adjusting shaft is internally provided with a guard plate adjusting fixed shaft, a locking screw II is screwed on the vertical axis of the guard plate adjusting shaft, the head of the locking screw II is clamped into a guide groove on the guard plate adjusting fixed shaft, a row of holes matched with the locking screw II are uniformly distributed in the guide groove on the guard plate adjusting fixed shaft, and a spring III is arranged between the guard plate adjusting shaft and the guard plate adjusting fixed shaft; the guard plate adjusting shaft is internally provided with an elastic plunger which is used for positioning and limiting the guard plate adjusting fixed shaft.

In the preferred mode of the scheme, the left guard plate connecting assembly comprises a guard plate locking plate, an overhead pin piece, an overhead handle, an overhead seat cover plate and an overhead fixing seat, one end of the guard plate locking plate is fixedly connected with a guard plate adjusting fixing shaft through a screw I, a notch which is convenient to clamp is arranged in the middle of the other end of the guard plate locking plate, the overhead piece is arranged in a space in the middle of the guard plate locking plate and can move back and forth under external force, the rear end of the overhead pin piece is fixedly connected with the overhead handle through a screw III, the overhead seat cover plate and the overhead fixing seat are covered on the rear part of the guard plate locking plate in an up-down covering manner, the lower end of the overhead handle extends out of the overhead seat cover plate, and the overhead seat cover plate and the overhead fixing seat are connected through a screw II; the overhead seat cover plate is internally provided with a mounting groove corresponding to the rear part of the guard plate locking plate, the mounting groove is internally provided with a spring I, and the spring I is pressed on the unlocking pin piece to enable the spring I to be elastically far away from the left guard plate locking assembly.

To the preferred mode of above-mentioned scheme, left backplate locking subassembly includes deflector, fastener and buckle fixing base, deflector and buckle fixing base pass through screw IV fixed connection and fix at the tooth chair headrest back, be equipped with in the deflector and be used for backplate locking plate male spout, the fastener rear end is articulated with the swivel pin, swivel pin and buckle fixing base fixed connection, it has spring II to support between fastener front end fastener lower part and the buckle fixing base, the inside bulb elastic plunger that has through threaded connection of buckle fixing base, be equipped with the spacing hole that is used for with bulb elastic plunger adaptation on the backplate locking plate.

Compared with the prior art, the utility model has the advantages that:

1. according to the scheme, the distance between the left guard plate and the right guard plate can be adjusted according to the width of the head, so that the head is suitable for patients with different head widths, and a doctor can conveniently treat the head;

2. according to the scheme, the heights of the left guard plate and the right guard plate can be rotated and adjusted according to different sitting postures and head side depending positions of a patient, so that the most suitable head fixing position is provided for the patient;

3. the left guard plate and the right guard plate can also rotate to the rear of the headrest, so that doctors can conveniently communicate with patients, and meanwhile, the patients can conveniently get on and off the chair;

4. the scheme can be quickly disassembled, can be quickly installed when in use, and is automatically locked by insertion; can dismantle fast when not needing, can unlock and dismantle by one key, the installation is dismantled convenient and fast.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a left guard assembly according to the present utility model;

FIG. 3 is an exploded view of the left fender and adjustment assembly of the utility model;

FIG. 4 is a schematic view of the left guard and adjustment assembly of the present utility model;

FIG. 5 is a schematic diagram of a left guard plate and adjustment assembly combination according to the present utility model;

FIG. 6 is a cross-sectional view of the left fender attachment assembly and the left fender lock assembly of the utility model;

FIG. 7 is a schematic diagram of a left fender attachment assembly and left fender lock assembly combination in accordance with the present utility model;

FIG. 8 is an exploded view of the left fender attachment assembly and left fender lock assembly of the present utility model;

FIG. 9 is a schematic diagram of a use state of the present utility model;

fig. 10 is a second schematic view of the usage state of the present utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled 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.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The inclusion of an element as defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.

Referring to fig. 1-10, embodiments of the present utility model are described in detail.

The protection fixing device for the two sides of the head of the dental chair comprises a dental chair headrest 2, wherein a left protection component 1 is arranged on the left side of the dental chair headrest 2, and a right protection component 3 is arranged on the right side of the dental chair headrest 2; as shown in fig. 1, the left guard assembly 1 and the right guard assembly 3 are attachable to and detachable from the headrest 2.

The left protection component 1 comprises a left protection plate and adjusting component 11, a left protection plate connecting component 13 and a left protection plate locking component 14, as shown in fig. 2, the rear end of the left protection plate and adjusting component 11 is fixedly connected with one end of the left protection plate connecting component 13, the other end of the left protection plate connecting component 13 is inserted into the left protection plate locking component 14 and can be automatically positioned and locked through detachable clamping, and the left protection plate locking component 14 is fixed on the left side of the back of the dental chair headrest 2.

As shown in fig. 3-5, the left protection plate and adjustment assembly 11 includes a left protection plate 1101, a protection plate rotating plate 1105, a protection plate adjustment shaft 1112 and a protection plate adjustment fixing shaft 1116, the back of the left protection plate 1101 is fixed to a protection plate fixing flange 1102 by bolts v 1103, the protection plate fixing flange 1102 is connected to a hole at one end of the protection plate rotating plate 1105 by an anti-slip washer 1104 and a rotating cover 1106 and can rotate around the corresponding hole of the protection plate rotating plate 1105, and a locking handle 1107 is connected to the protection plate fixing flange 1102 by threads and controls the tightness of rotation;

a hole at the other end of the guard plate rotating plate 1105, a pressing cover 1109 and an anti-slip ring 1110 are sequentially arranged at one end of the guard plate adjusting shaft 1112, the guard plate rotating plate 1105 is rotatable around the axis of the guard plate adjusting shaft 1112, a screw VI 1108 penetrates through the pressing cover 1109 to be in threaded connection with the guard plate adjusting shaft 1112 and can adjust the rotating tightness, and the guard plate rotating plate 1105 and the guard plate adjusting shaft 1112 are locked through a locking screw I1111 after rotating in place;

the guard plate adjusting shaft 1112 is internally provided with a guard plate adjusting fixed shaft 1116, a locking screw II 1114 is screwed on the vertical axis of the guard plate adjusting shaft 1112, the head of the locking screw II 1114 is clamped into a guide groove on the guard plate adjusting fixed shaft 1116, so that the guard plate adjusting shaft 1112 and the guard plate adjusting fixed shaft 1116 do linear motion, a row of holes matched with the locking screw II 1114 are uniformly distributed in the guide groove on the guard plate adjusting fixed shaft 1116, and a spring III 1115 is arranged between the guard plate adjusting shaft 1112 and the guard plate adjusting fixed shaft 1116; the shield adjustment shaft 1112 is provided with a flexible plunger 1113 for positioning and limiting the shield adjustment fixed shaft 1116.

In this embodiment, the left shield 1101 rotates around the shield rotating plate 1105, the shield rotating plate 1105 rotates around the axial position of the shield adjusting shaft 1112, and the shield adjusting shaft 1112 and the shield adjusting fixed shaft 1116 axially move. As shown in fig. 9 and 10, the left guard assembly 1 is rotated in two positions as shown, allowing the left guard assembly 1 to rotate to the rear of the headrest. Therefore, the structure can rotate and adjust the heights of the left guard plate and the right guard plate according to different sitting postures and head side depending positions of patients, and provides the most suitable head fixing position for the patients; the left guard board and the right guard board can also rotate to the rear of the headrest, so that doctors and patients can communicate conveniently, and the patients can get on and off the chair conveniently.

As shown in fig. 6-8, the left guard board connecting assembly 13 comprises a guard board locking plate 1305, a overhead piece 1306, an overhead handle 1304, an overhead seat cover plate 1302 and an overhead fixing seat 1308, wherein one end of the guard board locking plate 1305 is fixedly connected with a guard board adjusting fixed shaft 1116 through a screw i 12, a notch which is convenient for clamping is arranged in the middle of the other end of the guard board locking plate 1305, the overhead piece 1306 is arranged in a space in the middle of the guard board locking plate 1305 and can move back and forth under external force, the rear end of the overhead piece 1306 is fixedly connected with the overhead handle 1304 through a screw iii 1307, the overhead seat cover plate 1302 and the overhead fixing seat 1308 are covered on the rear part of the guard board locking plate 1305 in an up-down covering manner to cover the overhead handle 1304, the lower end of the overhead handle 1304 extends out of the overhead seat cover plate 1302, and the overhead seat cover plate 1302 and the overhead fixing seat 1308 are connected through a screw ii; a mounting slot is formed in the overhead seat cover 1302 and in the rear of the fender lock plate 1305, and a spring I1303 is disposed in the mounting slot, wherein the spring I1303 presses against the overhead element 1306 to resiliently move it away from the left fender lock assembly 14.

The left guard plate locking assembly 14 comprises a guide plate 1401, a buckling piece 1403 and a buckling fixing seat 1406, the guide plate 1401 and the buckling fixing seat 1406 are fixedly connected and fixed on the back of a dental chair headrest 2 through screws IV 1407, a sliding groove used for inserting the guard plate locking plate 1305 is formed in the guide plate 1401, the rear end of the buckling piece 1403 is hinged to a rotating pin 1405, the rotating pin 1405 is fixedly connected with the buckling fixing seat 1406, a spring II is supported between the lower portion of the buckling piece 1403 and the buckling fixing seat 1406, a ball head elastic plunger 1402 is connected inside the buckling fixing seat 1406 through threads, and a limiting hole used for being matched with the ball head elastic plunger 1402 is formed in the guard plate locking plate 1305.

In this embodiment, when the left guard connecting assembly 13 is inserted into the left guard locking assembly 14 during the engagement, the overhead member 1306 is separated from the left guard locking assembly 14 under the pressure of the spring i 1303, the ball-head elastic plunger 1402 is pressed into the limiting hole of the guard locking plate 1305 under the action of the spring force, and the fastening member 1403 is snapped into the notch of the guard locking plate 1305 under the action of the spring force, so that the left guard connecting member is fixed. When the left fender attachment assembly 13 is separated from the left fender lock assembly 14, the overhead handle 1304 is moved to move the overhead member 1306 to the left fender lock assembly 14, the overhead member 1306 moves, the catch member 1403 is pressed downward and out of the notch of the fender lock plate 1305 and no longer is restrained.

The right protection component 3 and the left protection component 1 have the same structure and are symmetrically arranged on the right side of the dental chair headrest 2.

According to the utility model, the left guard plate assembly and the right guard plate assembly are arranged on the two sides of the headrest of the dental chair, so that the width of the left guard plate and the width of the right guard plate can be adjusted according to the width of the head, the height of the left guard plate and the right guard plate can be adjusted according to different sitting postures and depending positions of the head side, the dental chair can also integrally rotate towards the rear of the headrest, and the dental chair can be conveniently installed and detached by one key, so that the oral treatment operation is more convenient.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (4)

1. Protection fixing device is used to tooth chair head both sides, including tooth chair headrest (2), its characterized in that: the left side of the dental chair headrest (2) is provided with a left protection component (1), and the right side of the dental chair headrest (2) is provided with a right protection component (3);

the left protection assembly (1) comprises a left protection plate and adjusting assembly (11), a left protection plate connecting assembly (13) and a left protection plate locking assembly (14), wherein the rear end of the left protection plate and adjusting assembly (11) is fixedly connected with one end of the left protection plate connecting assembly (13), the other end of the left protection plate connecting assembly (13) is detachably clamped with the left protection plate locking assembly (14), and the left protection plate locking assembly (14) is fixed on the left side of the back of the dental chair headrest (2);

the right protection component (3) and the left protection component (1) are identical in structure and symmetrically arranged on the right side of the dental chair headrest (2).

2. The protective fixture for both sides of a dental chair head according to claim 1, wherein: the left protection plate and adjusting assembly (11) comprises a left protection plate (1101), a protection plate rotating plate (1105), a protection plate adjusting shaft (1112) and a protection plate adjusting fixed shaft (1116), wherein the back of the left protection plate (1101) is fixed with a protection plate fixing flange (1102) through a screw V (1103), the protection plate fixing flange (1102) is connected with a hole at one end of the protection plate rotating plate (1105) through an anti-slip gasket (1104) and a rotating cover (1106) and can rotate around the corresponding hole of the protection plate rotating plate (1105), and a locking handle (1107) is connected with the protection plate fixing flange (1102) through threads and controls the rotating tightness;

the novel anti-slip device is characterized in that a hole, a compression cover (1109) and an anti-slip ring (1110) at the other end of a guard plate rotating plate (1105) are sequentially arranged at one end of the guard plate adjusting shaft (1112), the guard plate rotating plate (1105) can rotate around the axis of the guard plate adjusting shaft (1112), a screw VI (1108) penetrates through the compression cover (1109) to be in threaded connection with the guard plate adjusting shaft (1112) and can adjust the rotating tightness, and the guard plate rotating plate (1105) and the guard plate adjusting shaft (1112) are locked through a locking screw I (1111) after rotating in place;

the guard plate adjusting shaft (1112) is internally provided with a guard plate adjusting fixed shaft (1116), a locking screw II (1114) is screwed on the guard plate adjusting shaft (1112) along the vertical axis, the head of the locking screw II (1114) is clamped into a guide groove on the guard plate adjusting fixed shaft (1116), a row of holes matched with the locking screw II (1114) are uniformly distributed in the guide groove on the guard plate adjusting fixed shaft (1116), and a spring III (1115) is arranged between the guard plate adjusting shaft (1112) and the guard plate adjusting fixed shaft (1116); the guard plate adjusting shaft (1112) is internally provided with an elastic plunger (1113) which is used for positioning and limiting the guard plate adjusting fixed shaft (1116).

3. The protective fixture for both sides of the head of a dental chair according to claim 2, wherein: the left guard plate connecting assembly (13) comprises a guard plate locking plate (1305), an overhead piece (1306), an overhead handle (1304), an overhead seat cover plate (1302) and an overhead fixing seat (1308), wherein one end of the guard plate locking plate (1305) is fixedly connected with a guard plate adjusting fixed shaft (1116) through a screw I (12), a notch which is convenient to clamp is formed in the middle of the other end of the guard plate locking plate (1305), the overhead piece (1306) is arranged in a space in the middle of the guard plate locking plate (1305) and can move back and forth under external force, the rear end of the overhead piece (1306) is fixedly connected with the overhead handle (1304) through a screw III (1307), the overhead seat cover plate (1302) and the overhead fixing seat (1308) are covered on the rear part of the guard plate locking plate (1305), the lower end of the overhead handle (1304) extends out of the overhead seat cover plate (1302), and the overhead seat cover plate (1302) and the overhead fixing seat (1308) are connected through a screw II (1301); and a mounting groove is formed in the overhead seat cover plate (1302) and at the corresponding position of the rear part of the guard plate locking plate (1305), a spring I (1303) is arranged in the mounting groove, and the spring I (1303) presses the overhead piece (1306) to enable the overhead piece to be elastically far away from the left guard plate locking assembly (14).

4. A dental chair head both sides protection fixture according to claim 3, wherein: left backplate locking assembly (14) are including deflector (1401), buckle spare (1403) and buckle fixing base (1406), deflector (1401) and buckle fixing base (1406) are through screw IV (1407) fixed connection and fix at the back of tooth chair headrest (2), be equipped with in deflector (1401) be used for backplate locking plate (1305) male spout, buckle spare (1403) rear end is articulated with rotatory round pin (1405), rotatory round pin (1405) and buckle fixing base (1406) fixed connection, support between buckle spare (1403) front end buckle lower part and buckle fixing base (1406) spring II (1404), buckle fixing base (1406) are inside to have bulb elasticity plunger (1402) through threaded connection, be equipped with on backplate locking plate (1305) be used for with the spacing hole of bulb elasticity plunger (1402) adaptation.

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