CN215191708U

CN215191708U - Dental X-ray machine support of hovering freely

Info

Publication number: CN215191708U
Application number: CN202120597133.7U
Authority: CN
Inventors: 邱昭恩; 杜正成
Original assignee: Qingdao Jiuyuan Huikang Electronic Technology Co ltd
Current assignee: Qingdao Jiuyuan Huikang Electronic Technology Co ltd
Priority date: 2021-03-24
Filing date: 2021-03-24
Publication date: 2021-12-17
Anticipated expiration: 2031-03-24

Abstract

The utility model belongs to the technical field of oral cavity medical equipment and specifically relates to a dental X-ray machine support of hovering freely, it includes articulated fixing base, xarm and vertical arm in proper order, xarm and vertical arm parallel arrangement, xarm and fixing base pass through the articulated shaft of xarm and articulate, set up the main shaft parallel with it in the xarm, main shaft one end is articulated through the one end and the xarm of main shaft articulated shaft and connecting rod, the connecting rod other end is articulated through first articulated shaft and fixing base, the distance between first articulated shaft and the main shaft articulated shaft is greater than the distance between xarm articulated shaft and the main shaft articulated shaft; a mounting bracket is fixedly arranged in the cross arm, and the main shaft penetrates through the mounting bracket; one end of the main shaft close to the vertical arm is connected with a fixing bolt, and a compression spring is sleeved on the outer side of the main shaft. When the vertical arm is pulled down, the compression spring is extruded by changing the relative position of the main shaft and the cross arm, the cross arm is driven to reset under the action of the compression spring, and then the vertical arm achieves the self-rebounding effect. The scheme has simple structure and simple and convenient operation, and effectively solves the problem of manual reset.

Description

Dental X-ray machine support of hovering freely

Technical Field

The utility model belongs to the technical field of oral medical equipment and specifically relates to a support freely hovers of dentistry X-ray machine.

Background

The dental X-ray machine is widely applied to the imaging examination of oral treatment, and provides necessary image basis for the diagnosis and treatment of dental diseases. The rocker arm of the existing dental X-ray machine cannot be automatically reset after being pulled down, and needs to be removed by a doctor, so that the diagnosis time is inevitably prolonged.

Disclosure of Invention

The utility model aims at solving the above problem, a support is freely hovered to dentistry X-ray machine is provided, the technical scheme of its adoption as follows:

a dental X-ray machine free hovering support comprises a fixed seat, a transverse arm and a vertical arm which are sequentially hinged, wherein the transverse arm and the vertical arm are arranged in parallel, are respectively perpendicular to the transverse arm and are arranged on the same side of the transverse arm, the transverse arm and the fixed seat are hinged through a transverse arm hinged shaft, a main shaft parallel to the transverse arm is arranged in the transverse arm, one end, close to the fixed seat, of the main shaft is hinged with one end of a connecting rod and the transverse arm through a main shaft hinged shaft, the other end of the connecting rod is hinged with the fixed seat through a first hinged shaft, and the distance between the first hinged shaft and the main shaft hinged shaft is larger than the distance between the transverse arm hinged shaft and the main shaft hinged shaft; a mounting bracket is fixedly arranged in the cross arm, and the main shaft passes through a mounting hole in the mounting bracket and is arranged with the mounting bracket in a sliding manner; the main shaft is close to the vertical arm and is connected with a fixing bolt, a compression spring is sleeved on the outer side of the main shaft, and two ends of the compression spring are respectively abutted to the inner sides of the mounting bracket and the fixing bolt.

On the basis of the scheme, the main shaft is in threaded connection with the fixing bolt along the axial direction of the main shaft.

On the basis of the scheme, the vertical arm is provided with an adjusting through hole corresponding to the position of the axis of the fixed bolt.

Preferably, a gasket is arranged between the inner side of the fixing bolt and the compression spring.

On the basis of the scheme, the gasket is made of a nylon material.

Preferably, the mounting bracket is provided with a bushing, and the bushing is sleeved outside the main shaft.

Preferably, the cross arm is a U-shaped through groove, and a protective cover plate is fixedly arranged at the position of a U-shaped opening in the middle of the cross arm.

The utility model has the advantages that: when the vertical arm is pulled down, the compression spring is extruded by changing the relative position of the main shaft and the cross arm, the cross arm is driven to reset under the action of the compression spring, and then the vertical arm achieves the self-rebounding effect. The scheme has simple structure and simple and convenient operation, and effectively solves the problem of manual reset.

Drawings

FIG. 1: the utility model has a schematic structure;

FIG. 2: the utility model has the structure explosion diagram;

FIG. 3: the utility model has a schematic structure after the cross arm is removed;

FIG. 4: the utility model has a schematic internal structure diagram in the reset state;

FIG. 5: the utility model discloses erect arm drop-down state down inner structure schematic diagram.

Detailed Description

The invention will be further explained with reference to the following figures and examples:

in the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, it is to be understood that the terms "center", "length", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1 to 3, a dental X-ray machine free hovering support comprises a fixed seat 11, a cross arm 31 and a vertical arm 51 which are hinged in sequence, wherein the cross arm 31 and the vertical arm 51 are arranged in parallel, are respectively perpendicular to the cross arm 31 and are arranged on the same side of the cross arm 31, the cross arm 31 and the fixed seat 11 are hinged through a cross arm hinge shaft 32, a spindle 21 parallel to the cross arm 31 is arranged in the cross arm 31, one end, close to the fixed seat 11, of the spindle 21 is hinged with one end of a connecting rod 23 and the cross arm 31 through a spindle hinge shaft 22, the other end of the connecting rod 23 is hinged with the fixed seat 11 through a first hinge shaft 12, and the distance between the first hinge shaft 12 and the spindle hinge shaft 22 is greater than the distance between the cross arm hinge shaft 32 and the spindle hinge shaft 22; a mounting bracket 33 is fixedly arranged in the cross arm 31, and the main shaft 21 passes through a mounting hole in the mounting bracket 33 and is arranged with the mounting bracket 33 in a sliding manner; the fixing bolt 42 is connected to one end of the main shaft 21 close to the vertical arm 51, the compression spring 41 is sleeved outside the main shaft 21, and two ends of the compression spring 41 respectively abut against the mounting bracket 33 and the inner side of the fixing bolt 42.

In a natural state, as shown in fig. 4, the fixing base 11 and the vertical arm 51 are arranged in a vertical direction, the fixing base 11 is fixedly connected with the upstream mechanism, and the vertical arm 51 naturally moves downward under the action of gravity. When in use, as shown in fig. 5, a doctor pulls the vertical arm 51 downwards to drive the cross arm 31 to rotate around the cross arm hinge shaft 32, the spindle 21 pulls the connecting rod 23 around the spindle hinge shaft 22 under the limiting action of the mounting bracket 33, and the distance between one end of the spindle 21 close to the fixed seat 11 and the mounting bracket 33 is prolonged due to the fact that the rotating radius of the cross arm 31 is smaller than that of the spindle 21, so that the distance between the mounting bracket 33 and the fixing bolt 42 is shortened, and the compression spring 41 is compressed. After use, the physician releases the force applied to the vertical arm 51, and the main shaft 21 and the horizontal arm 31 are rotated in the opposite direction by the elastic force of the compression spring 41, thereby achieving the self-rebounding effect.

Preferably, the main shaft 21 is screwed with the fixing bolt 42 along the axial direction of the main shaft 21, and the installation space of the compression spring 41 is changed by adjusting the relative position of the main shaft 21 and the fixing bolt 42, thereby adjusting the elasticity of the compression spring 41. For the adjustment, the vertical arm 51 is provided with an adjusting through hole 52 corresponding to the axial position of the fixing bolt 42, and the adjustment can be completed by inserting a tool through the adjusting through hole 52 and screwing the fixing bolt 42. Preferably, a gasket 43 is disposed between the inner side of the fixing bolt 42 and the compression spring 41, a bushing 34 is disposed on the mounting bracket 33, the bushing 34 is sleeved outside the main shaft 21, the gasket 52 is made of nylon material, on one hand, the gasket 52 has a buffering effect on the compression spring 41, and on the other hand, the gasket 52 made of nylon material has lower hardness than the compression spring 41, so as to avoid damage to the compression spring 41. For convenience of installation, the cross arm 31 is a U-shaped through groove, and a protective cover plate 35 is fixedly arranged at the position of a U-shaped opening in the middle of the cross arm 31 to protect the internal structure of the cross arm 31.

The present invention has been described above by way of example, but the present invention is not limited to the above-mentioned embodiments, and any modification or variation based on the present invention is within the scope of the present invention.

Claims

1. The dental X-ray machine free hovering support is characterized by comprising a fixed seat (11), a cross arm (31) and a vertical arm (51) which are sequentially hinged, wherein the cross arm (31) and the vertical arm (51) are arranged in parallel, are respectively perpendicular to the cross arm (31) and are arranged on the same side of the cross arm (31), the cross arm (31) and the fixed seat (11) are hinged through a cross arm hinge shaft (32), a spindle (21) parallel to the cross arm (31) is arranged in the cross arm (31), one end, close to the fixed seat (11), of the spindle (21) is hinged with one end of a connecting rod (23) and the cross arm (31) through a spindle hinge shaft (22), the other end of the connecting rod (23) is hinged with the fixed seat (11) through a first hinge shaft (12), and the distance between the first hinge shaft (12) and the spindle hinge shaft (22) is larger than the distance between the cross arm hinge shaft (32) and the spindle hinge shaft (22); a mounting bracket (33) is fixedly arranged in the cross arm (31), and the main shaft (21) passes through a mounting hole in the mounting bracket (33) and is arranged with the mounting bracket (33) in a sliding manner; one end of the main shaft (21) close to the vertical arm (51) is connected with the fixing bolt (42), the outer side of the main shaft (21) is sleeved with the compression spring (41), and two ends of the compression spring (41) are respectively abutted against the inner sides of the mounting bracket (33) and the fixing bolt (42).

2. Dental X-ray machine free hovering support according to claim 1, wherein the main shaft (21) is screwed with a fixing bolt (42) along the axial direction of the main shaft (21).

3. Dental X-ray machine free hovering support according to claim 2, wherein the vertical arm (51) is provided with an adjusting through hole (52) corresponding to the axial position of the fixing bolt (42).

4. Dental X-ray machine free hovering support according to claim 1, wherein a washer (43) is provided between the inside of the fixing bolt (42) and the compression spring (41).

5. Dental X-ray machine free hovering support according to claim 4, wherein said spacer (43) is made of nylon material.

6. The dental X-ray machine free hovering support according to claim 1, wherein a bushing (34) is disposed on the mounting support (33), the bushing (34) is sleeved outside the main shaft (21).

7. The dental X-ray machine free hovering support according to claim 1, wherein the cross arm (31) is a U-shaped through slot, and a protective cover plate (35) is fixedly arranged at the position of the U-shaped opening in the middle of the cross arm (31).