A rotary adjustment component and device

Abstract

The present invention relates to a rotation adjustment component, comprising a first rotation arm and a second rotation arm; a first rotation plane is arranged on the first rotation arm, and a second rotation plane is arranged on the second rotation arm; a first annular tooth protrusion is arranged on the first rotation plane, and a second annular tooth protrusion is arranged on the second rotation plane; a locking rod is arranged at the center of the first annular tooth protrusion, and a through hole is arranged at the center of the second annular tooth protrusion; a spring is sleeved on the locking rod; and also includes a connecting piece; by adjusting the position of the connecting piece on the locking rod, pressure can be applied to make the first rotation plane and the second rotation plane stick together, or loosen to release the sticking state. When the first rotation plane and the second rotation plane are sticking together, positioning is performed by meshing of the first annular tooth protrusion and the second annular tooth protrusion, so that the joint is firmly fastened and will not loosen again, and when the sticking state is loosened, the first rotation plane and the second rotation plane are quickly separated by relying on the elastic force of the spring to ensure the convenience of adjustment.

Description

Technical Field

[0001] The present invention relates to the technical field of medical devices, and more particularly to a rotation adjustment component and a device. Background Art

[0002] Rotation adjustment components are usually set at some active joints in medical equipment to meet different usage angle requirements; the rotation adjustment components currently used are mostly screw-tightening or damping shaft-type, which are very easy to loosen after being used for a period of time. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide a rotation adjustment component and an apparatus in view of the above-mentioned defects of the prior art.

[0004] The technical solution adopted by the present invention to solve its technical problem is:

[0005] A rotation adjustment assembly is constructed, which includes a first rotation arm and a second rotation arm; a first rotation plane is provided on the first rotation arm, and a second rotation plane opposite to the first rotation plane is provided on the second rotation arm; a first annular tooth protrusion is provided on the first rotation plane, and a second annular tooth protrusion corresponding to and meshing with the first annular tooth protrusion is provided on the second rotation plane; a locking rod is provided at the center of the first annular tooth protrusion, and a through hole for the locking rod to pass through is provided at the center of the second annular tooth protrusion; a spring is sleeved on the locking rod to provide a separation force to separate the first rotation plane from the second rotation plane; the rotation adjustment assembly also includes a connecting piece connected to one end of the locking rod passing through the through hole, and the position of the connecting piece on the locking rod is adjustable.

[0006] The rotation adjustment assembly described in the present invention, wherein the first rotation plane is formed with a first concave groove at the center of the first annular tooth protrusion, and a mounting seat for mounting the locking rod is provided in the first concave groove; the spring is located in an annular area enclosed by the first concave groove and the outer surface of the mounting seat.

[0007] The rotary adjustment assembly of the present invention is characterized in that a mounting hole which is interference-fitted with the locking rod is formed on the mounting seat.

[0008] The rotary adjustment assembly of the present invention is characterized in that the outer surface of the locking rod is formed with multiple sections of unconnected outer gear rings, and the inner wall of the mounting hole is formed with inner gear rings that mesh with the multiple sections of the outer gear rings.

[0009] The rotation adjustment assembly described in the present invention, wherein the second rotation plane is formed with a second concave groove at the center of the second annular tooth protrusion; the outer surface of the mounting seat is formed with a limiting protrusion, and the inner bottom of the second concave groove is provided with a limiting groove that cooperates with the limiting protrusion.

[0010] In the rotary adjustment assembly of the present invention, the connecting member is an adjustment knob, and the adjustment knob is threadedly connected to the locking rod.

[0011] The rotary adjustment assembly described in the present invention, wherein a positioning groove for positioning the adjustment knob is formed on the second rotating arm; the locking rod is provided with a C-shaped buckle and a positioning slot for installing the C-shaped buckle, and the inner bottom of the positioning groove is formed with a movable groove that cooperates with the C-shaped buckle.

[0012] The rotary adjustment assembly of the present invention, wherein the first annular tooth protrusion and the second annular tooth protrusion each include a plurality of protruding racks distributed in a star shape, and the bottom edges of adjacent racks are connected to form tooth grooves.

[0013] The rotation adjustment assembly described in the present invention, wherein the end of the first rotating arm and the end of the second rotating arm, one of the upper end is provided with a first connecting portion, and the other lower end is provided with a second connecting portion; the first connecting portion has the first rotating plane formed on the side surface facing the second connecting portion, and the second rotating plane is formed on the side surface of the second connecting portion facing the first connecting portion.

[0014] An instrument, according to the above-mentioned rotation adjustment assembly, wherein the rotation adjustment assembly is provided on the instrument.

[0015] The beneficial effects of the present invention are as follows: by adjusting the position of the connecting piece on the locking rod, pressure can be applied to make the first rotating plane close to the second rotating plane, or loosen to release the close state; when the first rotating plane and the second rotating plane are close to each other, the first annular tooth protrusion and the second annular tooth protrusion are engaged to position them, so that the joint is firmly fastened and will not loosen again; when the close state is released, the first rotating plane and the second rotating plane are quickly separated by relying on the elastic force of the spring, thereby ensuring the convenience of adjustment; the overall structure is reasonable and compact, with a small size and low cost, and is suitable for popularization. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described below in conjunction with the accompanying drawings and embodiments. The drawings described below are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative work:

[0017] Figure 1 It is a structural schematic diagram of a rotation adjustment component of a preferred embodiment of the present invention;

[0018] Figure 2 is an exploded view of a rotation adjustment assembly of a preferred embodiment of the present invention;

[0019] Figure 3 This is an exploded view from another angle of the rotary adjustment assembly of a preferred embodiment of the present invention;

[0020] Figure 4 It is a cross-sectional view of a rotation adjustment component of a preferred embodiment of the present invention. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the following will be described clearly and completely in combination with the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are partial embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work belong to the protection scope of the present invention.

[0022] The rotary adjustment assembly of the preferred embodiment of the present invention is as follows: Figure 1 See also Figure 2-4 , including a first rotating arm 1 and a second rotating arm 2; a first rotating plane 10 is provided on the first rotating arm 1, and a second rotating plane 20 opposite to the first rotating plane is provided on the second rotating arm 2; a first annular tooth protrusion 11 is provided on the first rotating plane 10, and a second annular tooth protrusion 21 correspondingly meshed with the first annular tooth protrusion is provided on the second rotating plane 20; a locking rod 12 is provided at the center of the first annular tooth protrusion 10, and a through hole 22 for the locking rod to pass through is provided at the center of the second annular tooth protrusion 21; a spring 13 is sleeved on the locking rod 12 to provide a separation force to separate the first rotating plane from the second rotating plane; the rotation adjustment assembly also includes a connecting member 3 connected to one end of the locking rod passing through the through hole, and the connecting member 3 is adjustable on the locking rod 12;

[0023] By adjusting the position of the connecting member 3 on the locking rod 12, pressure can be applied to make the first rotating plane 10 and the second rotating plane 20 close together, or loosen and release the close state. When the first rotating plane 10 and the second rotating plane 20 are close together, the first annular tooth protrusion 11 and the second annular tooth protrusion 21 are engaged to position the joint so that the joint is firmly fastened and will not loosen again. When the close state is released, the first rotating plane 10 and the second rotating plane 20 are quickly separated by the elastic force of the spring 13, thereby ensuring the convenience of adjustment. The overall structure is reasonable and compact, with a small size and low cost, and is suitable for popularization.

[0024] It should be noted that in addition to the threaded connection method with the locking rod described below, the connecting piece can also adopt a method of adjusting the position by cooperating with a pin and multiple pin holes, or a method of combining a C-shaped buckle with multiple slots. It can also adopt other existing manual, electric or pneumatic adjustment methods. The above simple changes all fall within the scope of protection of this application.

[0025] Preferably, the first rotating plane 10 is formed with a first concave groove 14 at the center of the first annular tooth protrusion 11, and a mounting seat 15 for mounting the locking rod 12 is arranged in the first concave groove 14; the spring 13 is located in the annular area enclosed by the outer surface of the first concave groove 14 and the mounting seat 15; the structure is reasonable and compact, and the assembly is convenient; the spring 13 is easy to assemble and has good deformation stability.

[0026] Preferably, a mounting hole 150 is formed on the mounting seat 15 and is interference-fitted with the locking rod 12 ; the assembly is convenient and the processing procedure is simplified.

[0027] Preferably, the outer surface of the locking rod 12 is formed with multiple sections of unconnected outer gear rings 120, and the inner wall of the mounting hole 150 is formed with an inner gear ring 151 that meshes with the multiple sections of outer gear rings; the locking rod 12 is easy to assemble, and there will be no thread slippage after assembly, and the reliability is good; the use of multiple sections of discontinuous outer gear rings can also make the force points act at different positions, thereby improving stability and leaving space for material deformation during interference assembly.

[0028] Preferably, the second rotating plane 20 is formed with a second concave groove 23 at the center of the second annular tooth protrusion 21; a limiting protrusion 152 is formed on the outer surface of the mounting seat 15, and a limiting groove 230 is provided at the inner bottom of the second concave groove 23 to cooperate with the limiting protrusion 152; it is convenient to limit the adjustable rotation angle of the first rotating arm and the second rotating arm through the cooperation between the internal limiting protrusion 152 and the limiting groove 230, and the stability and reliability are good.

[0029] Preferably, the connecting member 3 is an adjusting knob 3, and the adjusting knob 3 is threadedly connected to the locking rod 12; the structure is simple, the adjustment and assembly are very convenient, and the cost is low.

[0030] Preferably, a positioning groove 24 for positioning the adjusting knob 3 is formed on the second rotating arm 2; a C-shaped buckle 121 and a positioning groove 122 for installing the C-shaped buckle 121 are provided on the locking rod 12, and an active groove 25 cooperating with the C-shaped buckle 121 is formed on the inner bottom of the positioning groove 24; the integrity is good, the adjusting knob 3 is positioned by the positioning groove 24, and the adjusting knob 3 is threadedly connected to the locking rod 12, and the locking rod 12 is interference fit with the mounting seat 15, so that the accuracy of the alignment of the first annular tooth protrusion 11 and the second annular tooth protrusion 21 during adjustment can be guaranteed; in addition, through the cooperation of the C-shaped buckle 121 and the active groove 25, the openable spacing of the first rotating plane and the second rotating plane is limited, so that the first rotating arm and the second rotating arm will not disengage while being adjustable.

[0031] Preferably, the first annular tooth protrusion 11 and the second annular tooth protrusion 21 both include a plurality of protruding racks distributed in a star shape, and the bottom edges of adjacent racks are connected to form tooth grooves; the structure is simple, the processing is convenient, the bite reliability is good, and it is not easy to loosen.

[0032] Preferably, the end of the first rotating arm 1 and the end of the second rotating arm 2 are provided with a first connecting portion 16 at the upper end of one and a second connecting portion 26 at the lower end of the other; a first rotating plane 10 is formed on the surface of the first connecting portion 16 facing the second connecting portion 26, and a second rotating plane 20 is formed on the surface of the second connecting portion 26 facing the first connecting portion 16; the layout is reasonable, and this arrangement will make the volume of the overall joint smaller.

[0033] A device, according to the above-mentioned rotation adjustment component, wherein the rotation adjustment component is provided on the device; the device can be a medical device or other industrial equipment.

[0034] It should be understood that those skilled in the art can make improvements or changes based on the above description, and all these improvements and changes should fall within the scope of protection of the appended claims of the present invention.

Claims

1. A rotation adjustment assembly, characterized in that: The invention comprises a first rotating arm and a second rotating arm; a first rotating plane is provided on the first rotating arm, and a second rotating plane opposite to the first rotating plane is provided on the second rotating arm; a first annular tooth protrusion is provided on the first rotating plane, and a second annular tooth protrusion is provided on the second rotating plane to mesh with the first annular tooth protrusion; a locking rod is provided at the center of the first annular tooth protrusion, and a through hole for the locking rod to pass through is provided at the center of the second annular tooth protrusion; a spring is sleeved on the locking rod to provide a separation force to separate the first rotating plane from the second rotating plane; the rotation adjustment assembly also includes a connecting piece connected to one end of the locking rod passing through the through hole, and the connecting piece is positioned on the locking rod The position is adjustable; the first rotating plane is formed with a first concave groove at the center of the first annular tooth protrusion, and a mounting seat for mounting the locking rod is arranged in the first concave groove; the spring is located in the annular area enclosed by the first concave groove and the outer surface of the mounting seat; a mounting hole is formed on the mounting seat that is interference fit with the locking rod; the outer surface of the locking rod is formed with multiple sections of unconnected outer gear rings, and the inner wall of the mounting hole is formed with inner gear rings that mesh with the multiple sections of the outer gear rings; the second rotating plane is formed with a second concave groove at the center of the second annular tooth protrusion; a limiting protrusion is formed on the outer surface of the mounting seat, and a limiting groove that cooperates with the limiting protrusion is arranged on the inner bottom of the second concave groove.

2. The rotation adjustment assembly according to claim 1, characterized in that: The connecting piece is an adjusting knob, and the adjusting knob is threadedly connected to the locking rod.

3. The rotation adjustment assembly according to claim 2, characterized in that: The second rotating arm is formed with a positioning groove for positioning the adjusting knob; the locking rod is provided with a C-shaped buckle and a positioning slot for installing the C-shaped buckle, and the inner bottom of the positioning groove is formed with a movable groove that cooperates with the C-shaped buckle.

4. The rotation adjustment assembly according to claim 1, characterized in that: The first annular tooth protrusion and the second annular tooth protrusion both include a plurality of protruding racks distributed in a star shape, and the bottom edges of adjacent racks are connected to form tooth grooves.

5. The rotation adjustment assembly according to claim 1, characterized in that: The end portion of the first rotating arm and the end portion of the second rotating arm, one of which is provided with a first connecting portion at an upper end, and the other is provided with a second connecting portion at a lower end; the first rotating plane is formed on a surface of the first connecting portion facing the second connecting portion, and the second rotating plane is formed on a surface of the second connecting portion facing the first connecting portion.

6. An apparatus, according to any one of claims 1 to 5, characterized in that: The rotation adjustment component is arranged on the apparatus.

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