Isolator fixing tool

Abstract

The utility model relates to the technical field of isolators, and discloses an isolator fixing tool which comprises a driving shaft, a copper sleeve is transversely arranged in the center of the interior of the driving shaft, the exterior of the driving shaft is sleeved with a tool assembly capable of being rapidly fixed, and the tool assembly comprises a pin roller, an external thread sleeve, a pin roller compression spring, a retainer and a spiral spline. And a one-way sleeve is arranged outside one side of the driving shaft in a sleeving manner. According to the isolator fixing tool, by arranging the one-way sleeve, the pin roller and the pin roller compression spring, it is ensured that the driving shaft cannot reverse to affect use, the retainer is conveniently buffered and fixed, the situation that the retainer shakes to affect the limiting effect is avoided, and the stability of one-way rotation of the driving shaft is enhanced; the problems that a fixing tool is inconvenient to install outside a driving shaft, the connectivity between the whole structures is limited, the auxiliary guiding effect on one-way rotation cannot be achieved, and the driving shaft is damaged due to the fact that reversion is prone to occurring are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of one-way devices, in particular to a one-way device fixing tool. Background Art

[0002] The main function of the one-way device is isolation, which allows a certain component to rotate only in a certain direction and lock it in another direction, thereby ensuring that the various components and units do not affect each other and can work stably. The one-way device is an irreversible attenuator. It has a small attenuation for the forward wave and a large attenuation for the reverse wave. When the one-way device is placed in the waveguide line, the electromagnetic field will only pass through the direction indicated by the arrow on the one-way device shell.

[0003] The principle of the isolator is based on the interaction between the magnetic field of electromagnetic waves and the ferrite element and the constant magnetic field. In the isolator, a ferrite sheet is placed vertically on the wide side of the waveguide, a resistive film is coated on its surface, and a magnet is used to generate a constant magnetic field perpendicular to the wide side of the waveguide to achieve its unidirectional transmission characteristics.

[0004] A fixed fixture is used to limit the one-way clutch to ensure that the drive shaft can only rotate in one direction, thereby avoiding engine reversal or damage to the starter. The currently used fixed fixture is not convenient to install on the outside of the drive shaft, and the connectivity between the overall structure is limited. It cannot play an auxiliary guiding role for one-way rotation, and is prone to reversal, causing damage to the drive shaft.

[0005] Therefore, a new type of one-way device fixing tool is proposed to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide a one-way device fixing fixture to solve the problem that the fixing fixture proposed in the above background technology is inconvenient to be installed on the outside of the drive shaft, the connectivity between the overall structure is limited, it cannot play an auxiliary guiding role for one-way rotation, and it is easy to reverse and cause damage to the drive shaft.

[0007] To achieve the above object, the utility model provides the following technical solutions: a one-way device fixing tool, comprising a drive shaft, a copper sleeve is transversely arranged at the center of the drive shaft, and a tooling component that can be quickly fixed is arranged on the outer sleeve of the drive shaft;

[0008] The tooling assembly includes a roller, an external threaded sleeve, a roller compression spring, a retaining frame and a spiral spline. A one-way sleeve is provided on the external sleeve of one side of the drive shaft. A plurality of groups of grooves are provided inside the one-way sleeve. Rollers are slidably connected inside the grooves of the one-way sleeve. A retaining frame is fitted on the side wall of the roller.

[0009] Preferably, an external threaded sleeve is provided on the outer surface of the driving shaft, and a spiral spline is provided at the center of the inner wall of the one-way sleeve.

[0010] Preferably, the outer wall of the external threaded sleeve is provided with threads, and the inner wall of the helical spline is provided with threads.

[0011] Preferably, the helical spline is formed by cold extrusion, and the external threaded sleeve is threadedly connected to the helical spline.

[0012] Preferably, the outer sleeve of the retaining frame is provided with a roller compression spring, and the retaining frame is arranged in the groove inside the one-way sleeve at equal intervals.

[0013] Preferably, a retaining ring is fixedly connected to the inner side of the one-way sleeve, a cover shell is fixedly connected to the side wall of the one-way sleeve, the cover shell passes through the interior of the retaining ring and is plugged into the surface of the outer wall of the one-way sleeve, and the surface of the cover shell is treated by environmentally friendly zinc plating.

[0014] Compared with the prior art, the utility model has the following beneficial effects: the one-way device fixing tooling not only realizes the protective support function and the safe fixing function, but also realizes the structural optimization function;

[0015] By providing a one-way sleeve, a roller and a roller compression spring, the one-way sleeve is sleeved and installed on the outside of one side of the driving shaft, and the groove on the inner wall of the one-way sleeve is used to form an independent moving space. The roller is provided with a retaining frame to provide limiting protection to ensure that the driving shaft will not be reversed and affect the use. The outside of the retaining frame is sleeved with a roller compression spring, which is convenient for buffering and fixing the retaining frame, avoiding the shaking of the retaining frame to affect the limiting effect, and enhancing the stability of the driving shaft rotating in a single direction. At the same time, a plurality of groups of rollers play a guiding role in the rotation direction of the driving shaft;

[0016] By providing a cover shell and a retaining ring, the cover shell penetrates the interior of the retaining ring, thereby enhancing the connection force between the one-way sleeve and the drive shaft, preventing the one-way sleeve from falling off after long-term use, and improving the stability of the one-way sleeve itself. At the same time, the cover shell is fixed to the surface of the outer wall of the one-way sleeve by using an insertion structure, and the one-way sleeve is fixed in all directions, thereby optimizing the firmness of the connection parts of the overall structure;

[0017] By providing an externally threaded sleeve and a spiral spline, and utilizing the thread direction of the outer wall of the externally threaded sleeve and the inner wall of the spiral spline, the one-way sleeve can be conveniently rotatably installed to the outside of the drive shaft, thereby optimizing the convenience of installation between the structures. At the same time, it will not cause wear to the surface of the drive shaft, providing all-round protection, and extending the service life of the drive shaft and the one-way sleeve. The thread direction between the externally threaded sleeve and the spiral spline is consistent, thereby enhancing the connection effect between the drive shaft and the one-way sleeve. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0019] Figure 2This is a schematic diagram of the front view structure of the external thread sleeve of the utility model;

[0020] Figure 3 It is a schematic diagram of the side cross-sectional structure of the one-way sleeve of the utility model;

[0021] Figure 4 It is a side view structural schematic diagram of the one-way sleeve of the utility model.

[0022] In the figure: 1. drive shaft; 2. copper sleeve; 3. cover; 4. retaining ring; 5. one-way sleeve; 6. roller; 7. external thread sleeve; 8. roller compression spring; 9. retaining frame; 10. spiral spline. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Example 1: Please refer to Figure 1-4 , a one-way device fixing tool, comprising a drive shaft 1, a copper sleeve 2 is transversely arranged at the center of the drive shaft 1, and a tooling component that can be quickly fixed is arranged on the outer sleeve of the drive shaft 1;

[0025] The tooling assembly includes a roller 6, an external threaded sleeve 7, a roller compression spring 8, a cage 9 and a spiral spline 10. A one-way sleeve 5 is provided on the outside of one side of the drive shaft 1. A plurality of grooves are provided inside the one-way sleeve 5. The roller 6 is slidably connected inside the groove of the one-way sleeve 5. The cage 9 is provided on the side wall of the roller 6.

[0026] The outer sleeve of the retainer 9 is provided with a roller compression spring 8, and the retainer 9 is arranged in the groove inside the one-way sleeve 5 at equal intervals;

[0027] Specifically, Figure 1 and Figure 3 As shown, when in use, the one-way sleeve 5 is sleeved and installed on the outside of one side of the driving shaft 1, and the groove on the inner wall of the one-way sleeve 5 forms an independent moving space. The roller 6 is provided with limiting protection by the retaining frame 9. After the driving shaft 1 rotates, it rotates in a single direction according to the groove opened on the inner wall of the one-way sleeve 5. At the same time, the outside of the retaining frame 9 is sleeved with a roller compression spring 8, which is convenient for buffering and fixing the retaining frame 9 to prevent the retaining frame 9 from shaking and affecting the limiting effect.

[0028] Embodiment 2: The inner side of the one-way sleeve 5 is fixedly connected with a retaining ring 4, and the side wall of the one-way sleeve 5 is fixedly connected with a cover shell 3, the cover shell 3 penetrates the interior of the retaining ring 4 and is plugged and connected to the surface of the outer wall of the one-way sleeve 5, and the surface treatment of the cover shell 3 adopts environmentally friendly zinc plating;

[0029] Specifically, Figure 1 and Figure 2 As shown, when in use, the cover shell 3 horizontally penetrates the interior of the retaining ring 4, and the one-way sleeve 5 is installed and fixed as a whole through the retaining ring 4. At the same time, the cover shell 3 is inserted and fixed inside the surface of the outer wall of the one-way sleeve 5, and the entire one-way sleeve 5 is fixed to the outside of the drive shaft 1.

[0030] Embodiment 3: The outer surface of the driving shaft 1 is provided with an external threaded sleeve 7, and the center of the inner wall of the one-way sleeve 5 is provided with a helical spline 10;

[0031] The outer wall of the external thread sleeve 7 is provided with threads, and the inner wall of the helical spline 10 is provided with threads;

[0032] The helical spline 10 is formed by cold extrusion, and the external thread sleeve 7 is threadedly connected to the helical spline 10;

[0033] Specifically, Figure 1 and Figure 4 As shown, when in use, the one-way sleeve 5 is sleeved on the outside of the drive shaft 1, and the inner wall thread of the spiral spline 10 is installed in the thread on the surface of the external thread sleeve 7, so that the one-way sleeve 5 can be rotated and moved to a suitable position conveniently.

[0034] Working principle: When the utility model is in use, the one-way sleeve 5 is sleeved and installed on the outside of one side of the driving shaft 1, the one-way sleeve 5 is sleeved on the outside of the driving shaft 1, and the inner wall thread of the spiral spline 10 is fitted in the thread on the surface of the external threaded sleeve 7, so that the one-way sleeve 5 can be rotated and moved to a suitable position. The cover shell 3 horizontally penetrates the inside of the retaining ring 4, and the one-way sleeve 5 is installed and fixed as a whole through the retaining ring 4. At the same time, the cover shell 3 is inserted and fixed on the surface of the outer wall of the one-way sleeve 5, and the entire one-way sleeve 5 is fixed to the outside of the driving shaft 1. The groove on the inner wall of the one-way sleeve 5 forms an independent moving space, and the roller 6 is provided with limiting protection by the retaining frame 9. After the driving shaft 1 rotates, it rotates in a single direction according to the groove on the inner wall of the one-way sleeve 5, while keeping The outside of the frame 9 is sleeved with a roller compression spring 8, which is convenient for buffering and fixing the retaining frame 9 to prevent the retaining frame 9 from shaking and affecting the limiting effect. The principle of the one-way device is based on the magnetic field of electromagnetic waves and the interaction between ferrite elements and constant magnetic fields. In the one-way device, a ferrite sheet is placed vertically on the wide side of the waveguide, and a layer of resistance film is coated on its surface, and a magnet is used to generate a constant magnetic field perpendicular to the wide side of the waveguide to achieve its unidirectional transmission characteristics, which facilitates the installation of the one-way sleeve 5 to the outside of the drive shaft 1, enhances the connectivity between the one-way sleeve 5 and the drive shaft 1, and plays an auxiliary guiding role in the unidirectional rotation of the drive shaft 1, ensuring that the drive shaft 1 always rotates in a single direction and will not reverse to cause damage to the drive shaft 1.

[0035] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A one-way device fixing device, comprising a drive shaft (1), characterized in that: A copper sleeve (2) is transversely arranged at the center of the interior of the drive shaft (1), and a tooling component that can be quickly fixed is arranged on the exterior sleeve of the drive shaft (1); The tooling assembly comprises a roller (6), an external threaded sleeve (7), a roller compression spring (8), a retaining frame (9) and a helical spline (10); a one-way sleeve (5) is provided on the outside of one side of the drive shaft (1); a plurality of groups of grooves are provided inside the one-way sleeve (5); a roller (6) is slidably connected inside the groove of the one-way sleeve (5); and a retaining frame (9) is provided on the side wall of the roller (6).

2. The isolator fixing tool according to claim 1, characterized in that: The outer surface of the drive shaft (1) is provided with an external threaded sleeve (7), and the center of the inner wall of the one-way sleeve (5) is provided with a helical spline (10).

3. The isolator fixing tool according to claim 2, characterized in that: The outer wall of the external threaded sleeve (7) is provided with threads, and the inner wall of the helical spline (10) is provided with threads.

4. The isolator fixing tool according to claim 2, characterized in that: The helical spline (10) is formed by cold extrusion, and the external thread sleeve (7) is threadedly connected to the helical spline (10).

5. The isolator fixing tool according to claim 1, characterized in that: The outer sleeve of the retaining frame (9) is provided with a roller compression spring (8), and the retaining frame (9) is arranged in grooves inside the one-way sleeve (5) at equal intervals.

6. The isolator fixing tool according to claim 1, characterized in that: The inner side of the one-way sleeve (5) is fixedly connected to a retaining ring (4), the side wall of the one-way sleeve (5) is fixedly connected to a cover shell (3), the cover shell (3) penetrates the interior of the retaining ring (4) and is plugged and connected to the surface of the outer wall of the one-way sleeve (5), and the surface of the cover shell (3) is treated by environmentally friendly zinc plating.

Images