Anti-drop connecting structure of grating plate and shaft body
By adopting a structure in the photoelectric encoder where the outer threaded groove of the connecting shaft meshes with the threaded ring, combined with a T-shaped slide and clamping mechanism, the problem of inconvenient connection between the grating plate and the shaft is solved, achieving convenient connection and preventing detachment, thus improving the stability and adaptability of the equipment.
Patent Information
- Application Number
- CN202520270959.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-20
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2035-02-20
AI Technical Summary
The existing connection method between the grating plate and the shaft in photoelectric encoders has problems such as high processing accuracy requirements, difficult installation, inconvenient disassembly, and poor adaptability, which can easily lead to detachment, affecting measurement accuracy and equipment stability.
It adopts a structure in which the outer threaded groove of the connecting shaft meshes with the threaded ring, combined with a T-shaped slide and clamping mechanism. The grating plate and the shaft can be conveniently connected by adjusting the knob and clamping device, which can adapt to shafts of different sizes.
It enables convenient connection between the grating plate and the shaft, prevents detachment, improves installation efficiency and equipment stability, adapts to shafts of different sizes, and reduces maintenance costs and downtime.
Smart Images
Figure CN223815111U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to photoelectric encoder technical field, concretely is a grating plate and the anti -drop connection structure of axle body. BACKGROUND
[0002] Photoelectric encoder is a kind of sensor that converts mechanical displacement into digital pulse signal by photoelectric conversion, mainly by light source, code disc, photoelectric detector and other components, code disc rotates with the shaft to be measured, the light emitted by light source is transmitted through the light-transmitting and non-light-transmitting parts of code disc, and is converted into electrical signal after being received by photoelectric detector, these electrical signals form digital pulse after processing, the number, frequency or phase of pulse is proportional to the mechanical motion parameters such as angular displacement or rotational speed of shaft, so that it can be used to measure physical quantities such as rotational speed, angle, position, and has the characteristics of high precision, fast response, strong anti-interference ability etc.
[0003] And at present, the grating plate and the axle body need to be connected in the photoelectric encoder installation process, the existing grating plate and axle body connection method, such as key connection and interference fit connection, although it has certain stability, but there are many drawbacks, on the one hand, the processing precision of these connection methods for axle body and grating plate is higher, and any slight processing error can affect the matching precision of the two;On the other hand, installation and disassembly are relatively difficult, in the actual operation process, not only a lot of time and energy are needed, but also the equipment may be damaged due to improper operation, and when facing different sizes of axle body, the adaptability is poor, the stability of connection is difficult to guarantee, and the situation of falling off is easy to appear, so as to cause the photoelectric encoder to measure the displacement, rotational speed and other parameters of axle body accurately, make the measurement data deviate or interrupt, affect the normal operation of the whole system, may also cause equipment failure, increase maintenance cost and downtime, and even may pose a threat to production safety.In view of this, we propose a grating plate and the anti-drop connection structure of axle body. UTILITY MODEL CONTENTS
[0004] (I) technical problem solved
[0005] In view of the defects of the prior art, the utility model provides a grating plate and the anti-drop connection structure of axle body, which has the advantages of convenient connection of grating plate and axle body, and prevents falling off, solves the problem of inconvenient installation of photoelectric encoder in the prior art.
[0006] (II) technical scheme
[0007] To achieve the above purpose, the utility model provides the following technical scheme:
[0008] The utility model provides a grating board and the anti -drop connection structure of axle body, including connecting shaft, the outside surface of connecting shaft is equipped with thread groove, the outside surface of thread groove is engaged with the thread ring, the outside surface of connecting shaft is fixedly connected with fixed ring, the outside surface of connecting shaft is connected with grating board slidingly, the outside surface of grating board is equipped with light transmission mouth, the inside surface of connecting shaft is provided with clamping mechanism, the surface of clamping mechanism is pasted with axle body, the clamping mechanism includes the adjusting device and clamping device, and the adjusting device operates drive clamping device to clamp and fix axle body.
[0009] Preferably, the adjusting device includes a T-shaped sliding groove, the inside surface of the connecting shaft is equipped with a T-shaped sliding groove, the inside surface of the T-shaped sliding groove is connected with a T-shaped sliding block slidingly, one side surface of the T-shaped sliding block is fixedly connected with a connecting plate, the outside surface of the connecting plate is fixedly connected with an adjusting ring, and one side surface of the adjusting ring is fixedly connected with an adjusting knob.
[0010] Preferably, the clamping device includes a sliding groove, the outside surface of the adjusting ring is fixedly connected with a sliding groove, the inside surface of the sliding groove is connected with a sliding rod slidingly, the outside surface of the sliding rod is fixedly connected with a connecting block, and one side surface of the connecting block is fixedly connected with a clamping plate.
[0011] Preferably, the clamping device further includes a limiting device, the fixing device includes a clamping block, the lower surface of the sliding rod is fixedly connected with a clamping block, and the upper surface of the connecting shaft is equipped with a clamping groove.
[0012] Preferably, the inside wall surface size of the T-shaped sliding groove is consistent with the outside wall surface size of the T-shaped sliding block, and a plurality of groups of the sliding grooves are arranged on the outside surface of the adjusting ring.
[0013] Preferably, the inside wall surface size of the sliding groove is consistent with the outside wall surface size of the sliding rod, and a plurality of groups of the sliding rods are arranged on the inside of the adjusting ring.
[0014] Preferably, a plurality of groups of the clamping grooves are arranged on the upper surface of the connecting shaft, and a plurality of groups of the light transmission mouths are arranged on the outside surface of the grating board.
[0015] Compared with the prior art, the utility model provides a grating board and the anti -drop connection structure of axle body, has the following beneficial effects:
[0016] 1、The utility model discloses a grating board and the anti -drop connection structure of axle body, through the setting of T-shaped sliding groove, when the adjusting knob is pushed, the adjusting knob drives the adjusting ring to rotate, the adjusting ring drives the connecting plate to rotate, so that the T-shaped sliding block can slide in the T-shaped sliding groove, so that the whole clamping mechanism can adapt to the axle body of different sizes under the premise of not separating from the connecting shaft.
[0017] 2、The anti-falling connection structure of the grating plate and the shaft body, by limiting the movement track of the slide rod by the clamping block, when the adjusting ring rotates, the slide rod moves along the sliding groove, drives the connecting block and the clamping plate to move together, thereby changing the distance between the clamping plates, so that the clamping mechanism can smoothly operate, the purpose of clamping the shaft body is achieved, the grating plate and the shaft body can be more conveniently connected, and will not easily fall off. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is the whole structure schematic diagram of the utility model;
[0019] Figure 2 It is the split schematic diagram of the clamping mechanism of the utility model;
[0020] Figure 3 It is the clamping device schematic diagram of the utility model;
[0021] Figure 4 It is the adjusting device schematic diagram of the utility model.
[0022] Among them: 1, connecting shaft;2, thread groove;3, threaded ring;4, fixed ring;5, grating plate;6, light transmission port;7, clamping mechanism;701, T-shaped sliding groove;702, T-shaped sliding block;703, connecting plate;704, adjusting ring;705, adjusting knob;706, sliding groove;707, slide rod;708, connecting block;709, clamping plate;710, clamping block;711, clamping groove;8, shaft body. DETAILED DESCRIPTION
[0023] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.
[0024] Please refer to Figures 1-4 A kind of anti-falling connection structure of grating plate and shaft body, including connecting shaft 1, thread groove 2 is set on the outer surface of connecting shaft 1, thread groove 2 is engaged with threaded ring 3 on the outer surface, fixed ring 4 is fixedly connected to the outer surface of connecting shaft 1, grating plate 5 is slidably connected to the outer surface of connecting shaft 1, light transmission port 6 is set on the outer surface of grating plate 5, clamping mechanism 7 is arranged on the inner surface of connecting shaft 1, shaft body 8 is attached to the surface of clamping mechanism 7, clamping mechanism 7 includes adjusting device and clamping device.
[0025] In this embodiment, the adjusting device comprises a T-shaped sliding groove 701, the inner surface of the connecting shaft 1 is provided with the T-shaped sliding groove 701, the inner surface of the T-shaped sliding groove 701 is slidably connected with a T-shaped sliding block 702, one side surface of the T-shaped sliding block 702 is fixedly connected with a connecting plate 703, the outer surface of the connecting plate 703 is fixedly connected with an adjusting ring 704, one side surface of the adjusting ring 704 is fixedly connected with an adjusting knob 705, through the arrangement of the T-shaped sliding groove 701, in use, the adjusting knob 705 is pushed, the adjusting knob 705 drives the adjusting ring 704 to rotate, the adjusting ring 704 drives the connecting plate 703 to rotate, so that the T-shaped sliding block 702 can slide in the T-shaped sliding groove 701.
[0026] Further, the clamping device comprises a sliding groove 706, the outer surface of the adjusting ring 704 is fixedly connected with the sliding groove 706, the inner surface of the sliding groove 706 is slidably connected with a sliding rod 707, the outer surface of the sliding rod 707 is fixedly connected with a connecting block 708, one side surface of the connecting block 708 is fixedly connected with a clamping plate 709, through the arrangement of the sliding groove 706, in use, since the clamping block 710 limits the movement track of the sliding rod 707, when the adjusting ring 704 rotates, the sliding rod 707 moves along the sliding groove 706, drives the connecting block 708 and the clamping plate 709 to move together, so as to change the distance between the clamping plates 709, and adapt to the size of the shaft body 8 and clamp it.
[0027] Further, the clamping device further comprises a limiting device, the fixing device comprises a clamping block 710, the lower surface of the sliding rod 707 is fixedly connected with the clamping block 710, the upper surface of the connecting shaft 1 is provided with a clamping groove 711, through the arrangement of the clamping block 710, in use, the clamping block 710 limits the movement track of the sliding rod 707, so that the adjusting ring 704 rotates, the sliding rod 707 will not rotate, but will move along the track of the clamping groove 711, so as to change the distance between the clamping plates 709.
[0028] In addition, the inner wall surface size of the T-shaped sliding groove 701 matches the outer wall surface size of the T-shaped sliding block 702, the sliding groove 706 is provided with a plurality of groups on the outer surface of the adjusting ring 704, through the arrangement of the sliding groove 706, in use, the sliding rod 707 moves along the sliding groove 706, drives the connecting block 708 and the clamping plate 709 to move together, so as to change the position of the clamping plate 709.
[0029] In addition, the inner wall surface size of the sliding groove 706 matches the outer wall surface size of the sliding rod 707, the sliding rod 707 is provided with a plurality of groups on the inner side of the adjusting ring 704, through the arrangement of the sliding rod 707, in use, the sliding rod 707 drives the connecting block 708 and the clamping plate 709 to move together, so as to achieve the purpose of clamping the shaft body 8.
[0030] It is worth noting that the card slot 711 is provided with a plurality of groups on the upper surface of the connecting shaft 1, and the light transmission port 6 is provided with a plurality of groups on the outer surface of the grating plate 5. Through the arrangement of the card slot 711, the movement position of the clamping block 710 is limited when in use, so that the sliding rod 707 will not rotate with the adjusting ring 704.
[0031] In use, the grating plate 5 is sleeved on the connecting shaft 1, the threaded ring 3 is engaged with the threaded groove 2, and the grating plate 5 is clamped and fixed, so that the grating plate 5 is tightly sleeved on the connecting shaft 1. Push the adjusting knob 705, the adjusting knob 705 drives the adjusting ring 704 to rotate, the adjusting ring 704 drives the connecting plate 703 to rotate, so that the T-shaped sliding block 702 can slide in the T-shaped sliding groove 701. The clamping block 710 limits the movement trajectory of the sliding rod 707, so that the adjusting ring 704 will not rotate with the sliding rod 707 when rotating, but will only move along the trajectory of the card slot 711, thereby changing the distance between the clamping plates 709. Since the clamping block 710 limits the movement trajectory of the sliding rod 707, when the adjusting ring 704 rotates, the sliding rod 707 moves along the sliding groove 706, drives the connecting block 708 and the clamping plate 709 to move together, changes the distance between the clamping plates 709, and adapts to the size of the shaft body 8. The clamping plate 709 can be clamped, so that the grating plate 5 and the shaft body 8 can be firmly connected together, and finally the grating plate and the shaft body can be conveniently connected, and the grating plate and the shaft body can be prevented from falling off.
[0032] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A light grating plate and shaft body anti-disconnection structure, comprising a connecting shaft (1), characterized in that: The outer surface of the connecting shaft (1) is provided with a threaded groove (2), the outer surface of the threaded groove (2) is engaged with a threaded ring (3), the outer surface of the connecting shaft (1) is fixedly connected with a fixed ring (4), the outer surface of the connecting shaft (1) is slidably connected with a grating plate (5), the outer surface of the grating plate (5) is provided with a light transmission port (6), and the inner surface of the connecting shaft (1) is provided with a clamping mechanism (7), and the surface of the clamping mechanism (7) is attached with a shaft body (8). The clamping mechanism (7) comprises an adjusting device and a clamping device, and the adjusting device drives the clamping device to clamp and fix the shaft body (8).
2. The anti-disengagement connection structure of a grating plate and a shaft body according to claim 1, characterized in that: The adjusting device comprises a T-shaped sliding groove (701), the inner surface of the connecting shaft (1) is provided with a T-shaped sliding groove (701), the inner surface of the T-shaped sliding groove (701) is slidably connected with a T-shaped sliding block (702), one side surface of the T-shaped sliding block (702) is fixedly connected with a connecting plate (703), the outer surface of the connecting plate (703) is fixedly connected with an adjusting ring (704), and one side surface of the adjusting ring (704) is fixedly connected with an adjusting knob (705).
3. The anti-disengagement connection structure of the grating plate and the shaft body according to claim 2, characterized in that: The clamping device comprises a sliding groove (706), the outer surface of the adjusting ring (704) is fixedly connected with a sliding groove (706), the inner surface of the sliding groove (706) is slidably connected with a sliding rod (707), the outer surface of the sliding rod (707) is fixedly connected with a connecting block (708), and one side surface of the connecting block (708) is fixedly connected with a clamping plate (709).
4. The anti-disengagement connection structure of a grating plate and a shaft body according to claim 2, characterized in that: The clamping device further comprises a limiting device, the fixing device comprises a clamping block (710), the lower surface of the sliding rod (707) is fixedly connected with a clamping block (710), and the upper surface of the connecting shaft (1) is provided with a clamping groove (711).
5. The anti-disengagement connection structure of a grating plate and a shaft body according to claim 2, characterized in that: The inner wall surface size of the T-shaped sliding groove (701) is consistent with the outer wall surface size of the T-shaped sliding block (702), and the sliding groove (706) is provided with a plurality of groups on the outer surface of the adjusting ring (704).
6. The anti-disengagement connection structure of a grating plate and a shaft body according to claim 3, characterized in that: The inner wall surface size of the sliding groove (706) is consistent with the outer wall surface size of the sliding rod (707), and the sliding rod (707) is provided with a plurality of groups on the inner side of the adjusting ring (704).
7. The anti-disengagement connection structure of a grating plate and a shaft body according to claim 4, characterized in that: The clamping groove (711) is provided with a plurality of groups on the upper surface of the connecting shaft (1), and the light transmission port (6) is provided with a plurality of groups on the outer surface of the grating plate (5).