CN210828758U

CN210828758U - Rotating handle shaft

Info

Publication number: CN210828758U
Application number: CN201921250450.0U
Authority: CN
Inventors: 吕翔; 张小康
Original assignee: Tieneng Communication Intelligent Technology Co ltd
Current assignee: Ningbo Junhe High Tech Research Institute Co ltd
Priority date: 2019-08-02
Filing date: 2019-08-02
Publication date: 2020-06-23
Anticipated expiration: 2029-08-02

Abstract

The utility model provides a rotating handle shaft, which is a cylinder, the diameters of all sections of the cylinder are different, the diameter of the first section of the cylinder is 8-10 mm, and an external thread is processed on the first section; the diameter of the second section is 12mm, and a plane is processed on the second section; the diameter of the third section is 14-15 mm, and the diameter of the fourth section is 26-30 mm; the diameter of the fifth section is 15-17 mm; the diameter of the sixth section is 11-12 mm, the diameter of the seventh section is 12mm, and a plane is processed on the seventh section; the diameter of the eighth section is 7-9 mm, and external threads are machined on the eighth section. The utility model provides a change the axle, through this change the front of hub connection door leaf and the commentaries on classics handle at the back, can realize the switch door operation in a flexible way.

Description

Rotating handle shaft

Technical Field

The utility model belongs to the technical field of the bearing seal, concretely relates to commentaries on classics of watertight door is part.

Background

Watertight doors are devices used to close closed spaces or sealed spaces. Most of the existing watertight doors are of a translation type, and because the watertight doors are made of metal materials, the operation of translating and opening the doors is not flexible enough. Because the door body is made of cast iron generally, the weight of the cast iron door is large, the sealing performance is poor, and the operation is not flexible enough. The weight of the cast iron door also results in a large energy consumption when the vessel is in operation.

The door mounted by the hinge can be opened or closed by rotating, and the operation is relatively flexible. The rotating handle of the watertight door which is rotatably opened and closed can have flexible operability, and the service life of the watertight door can be ensured for a long time. In the prior art, the rotating shaft has various forms, but is not suitable for being used as the rotating handle shaft of the watertight door.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems of the prior art, the utility model aims to provide a rotating handle shaft installed on a watertight door.

Realize the utility model discloses the technical scheme of above-mentioned purpose does:

a rotating handle shaft is basically shaped as a cylinder, the diameters of all sections of the cylinder are different,

the diameter of the first section of the cylinder is 8-10 mm, and external threads are machined on the first section; the diameter of the second section is 12mm, and a plane is processed on the second section; the diameter of the third section is 14-15 mm, and the diameter of the fourth section is 26-30 mm; the diameter of the fifth section is 15-17 mm; the diameter of the sixth section is 11-12 mm, the diameter of the seventh section is 12mm, and a plane is processed on the seventh section; the diameter of the eighth section is 7-9 mm, and external threads are machined on the eighth section.

In the second section, four planes are processed on the cylinder, the four planes are all parallel to the axis of the cylinder, and every two of the four planes are parallel to each other.

Further, the distance between the two opposite planes is 10 mm.

The utility model has the preferable technical scheme that the length of the third section is 24-28 mm, and the length of the fourth section is 2 mm; the length of the fifth section is 55-60 mm.

More preferably, the surface machining precision of the cylinders of the fifth section is different: from the fourth section onwards, the roughness of the first portion was 0.8, the second portion was 3.2, and the third portion was 0.8.

Further, in the fifth section, the part with the roughness of 3.2 accounts for 45-50% of the length of the fifth section.

Wherein, the length of the sixth section is 24-25 mm, and the length of the seventh section is 12-14 mm.

The seventh section is that four planes are processed on the cylinder, the four planes are all parallel to the axis of the cylinder, and every two of the four planes are parallel to each other; the distance between the two opposing planes is 10 mm.

Wherein, the material of the rotating handle shaft is stainless steel.

The function of the rotating handle arranged on the watertight door is generally to realize the locking or the unlocking of the door through rotation. Because the watertight door can be opened or closed on both sides of the door, the front and the back of the door leaf are provided with rotating handles. The rotating handle shaft passes through the door leaf to connect the rotating handle on the front and the back.

The utility model provides a change the axle, through this change the front of hub connection door leaf and the commentaries on classics handle at the back, can realize the switch door operation in a flexible way.

The processing mode of the rotating handle shaft is obtained by turning on a stainless steel cylinder. According to different stresses born by each section of the rotating handle shaft or different parts contacted with each section, different machining requirements are adopted, and the process is finished through sectional machining. The rotating handle shaft has different precision requirements on each section, properly reduces the machining precision and lowers the cost.

Drawings

Fig. 1 is a perspective view of a rotating handle shaft.

Fig. 2 is a front view of the twist grip shaft.

Fig. 3 is a sectional view of the handle shaft taken along the line a-a.

The correspondence of parts and numbers in the figures is:

a first section 1, a second section 2, a third section 3, a fourth section 4, a fifth section 5, a sixth section 6, a seventh section 7, and an eighth section 8.

Detailed Description

The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, it is to be understood that the terms "central", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the invention.

Example 1

Referring to fig. 1 and 2, a twist grip shaft is basically shaped as a cylinder, with sections of the cylinder having different diameters,

the diameter of the first section 1 of the cylinder is 8mm, and external threads are machined on the first section; the diameter of the second section 2 is 12mm, and a plane is processed on the second section 2; the diameter of the third section 3 is 15mm, and the diameter of the fourth section 4 is 28 mm; the diameter of the fifth section 5 is 16 mm; the diameter of the sixth section 6 is 12mm, the diameter of the seventh section 7 is 12mm, and a plane is processed on the seventh section; the diameter of the eighth section 8 is 8mm, and external threads are machined on the eighth section.

Referring to fig. 3, the second section 2 is formed by processing four planes on the cylinder, wherein the four planes are all parallel to the axis of the cylinder, and every two of the four planes are parallel to each other. The distance between the two opposing planes is 10 mm.

Further, the length of the first section 1 is 8mm, the length of the second section is 13mm, the length of the third section 3 is 28mm, and the length of the fourth section is 2 mm; the length of the fifth section is 58.5 mm.

The surface machining precision of the cylinders of the fifth section 5 is different: the roughness of the first part from the fourth section to the back is 0.8, and the part is 15mm long; the roughness of the second part is 3.2, and the length of the second part is 28.5 mm; the roughness of the third portion was 0.8, and this portion was 15mm long.

The length of the sixth section 6 is 24.5mm and the length of the seventh section 7 is 13 mm.

The seventh section 7 is that four planes are processed on the cylinder, the four planes are all parallel to the axis of the cylinder, and every two of the four planes are parallel to each other; the distance between the two opposing planes is 10 mm.

The material of the rotating handle shaft is 304 stainless steel; the total length was 155 mm. The total weight of the handle shaft of this example was 0.19 kg.

The processing mode of the rotating handle shaft is obtained by turning on a stainless steel cylinder. And removing burrs, acute angles and turned edges. Wherein the roughness of the third section 3 is 1.6, and the requirement of the outer diameter on tolerance is phi 15f 7; the roughness of the sixth section 6 is 1.6 and the tolerance requirement for the outer diameter is Φ 12f 7.

The rotating handle shaft has different precision requirements on each section, properly reduces the machining precision, lowers the cost to some extent, and ensures sufficient operation flexibility and service life.

Example 2

The rotating handle shaft is a cylinder, the diameters of all sections of the cylinder are different,

The length of the rotating handle shaft can be adjusted according to the thickness of the door leaf to be penetrated. The total length of the rotating handle shaft is 145 mm.

The second section 2 is formed by processing four planes on the cylinder, wherein the four planes are all parallel to the axis of the cylinder, and every two of the four planes are parallel to each other. The distance between the two opposing planes is 10 mm.

Further, the length of the third section 3 is 26mm, and the length of the fourth section is 2 mm; the length of the fifth section is 55 mm.

The surface machining precision of the cylinders of the fifth section 5 is different: the roughness of the first part from the fourth section to the back is 0.8, and the part is 14mm long; the roughness of the second part is 3.2, and the part is 27mm long; the roughness of the third portion was 0.8, and this portion was 14mm long.

The sixth section 6 has a length of 22mm and the seventh section 7 has a length of 12 mm.

The material of the rotating handle shaft is 304 stainless steel. The rotating handle shaft can be used for watertight doors with small relative thickness and weight.

Although the present invention has been described above by way of examples, it should be understood by those skilled in the art that the modifications, replacements and variations of the present invention without departing from the spirit and essence of the present invention should fall within the protection scope of the present invention.

Claims

1. The rotating handle shaft is characterized in that the basic shape of the rotating handle shaft is a cylinder, and the diameters of all sections of the cylinder are different;

2. A twist beam axle according to claim 1, wherein the second section is formed by machining four flat surfaces into the cylindrical body, the four flat surfaces being parallel to the axis of the cylindrical body, the four flat surfaces being parallel to each other two by two.

3. A twist grip spindle according to claim 1, wherein the distance between the two opposed flat surfaces is 10 mm.

4. The twist grip spindle according to claim 1, wherein the third section has a length of 24 to 28mm, and the fourth section has a length of 2 mm; the length of the fifth section is 55-60 mm.

5. A twist beam axle according to any one of claims 1 to 4, characterized in that the cylinders of the fifth section have different surface finish accuracies: from the fourth section onwards, the roughness of the first portion was 0.8, the second portion was 3.2, and the third portion was 0.8.

6. A twist beam shaft according to claim 5, wherein the portion of the fifth section having a roughness of 3.2 comprises 45-50% of the length of the fifth section.

7. A twist grip spindle according to any one of claims 1 to 4, wherein the sixth section has a length of 24 to 25mm and the seventh section has a length of 12 to 14 mm.

8. A twist beam shaft according to any one of claims 1 to 4, wherein the seventh section is formed by machining four planes on the cylinder, the four planes are parallel to the axis of the cylinder, and the four planes are parallel to each other in pairs; the distance between the two opposing planes is 10 mm.

9. A twist grip spindle according to any one of claims 1 to 4, characterized in that the twist grip spindle is made of stainless steel.