Encoder adopting double-gear synchronous meshing and Hall sensing

Abstract

The utility model discloses an encoder adopting double-gear synchronous meshing and Hall sensing, which belongs to the technical field of encoders, and comprises a double-gear transmission mechanism, the double-gear transmission mechanism comprises an upper gear and a lower gear, the bottom surface of the upper gear is abutted against the lower gear, the bottom surface of the lower gear is abutted against a lower cover, the top surface of the lower cover is connected with an upper cover through a screw, and the upper cover is connected with the lower cover through a screw. The bottom surface of the upper cover is connected with the upper gear through screws; the spring mechanisms comprise first mounting plates and second mounting plates, pressurizing springs are arranged on the adjacent sides of the first mounting plates and the second mounting plates, sleeving rings and abutting rods are arranged in annular channels of the pressurizing springs correspondingly, and the centrifugal sides of the sleeving rings and the abutting rods are connected with the first mounting plates and the second mounting plates correspondingly; the end face of the abutting rod is in sliding connection with the sleeving ring through the inserting rod. According to the encoder, gear abrasion and transmission error increase can be prevented, and the precision and the stability of the encoder are improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to encoder technical field, especially a kind of encoder using double gear synchronous meshing and hall induction. BACKGROUND

[0002] Encoder is the device that signal or data is arranged, converted into the signal form available to communication, transmission and storage, encoder converts angular displacement or linear displacement into electrical signal, the former is called code disc, and the latter is called code ruler.

[0003] Traditional encoder usually uses single gear to mesh transmission, and this structure is prone to gear wear, transmission error increase and other problems when running for a long time or bearing larger load, thereby affecting the precision and stability of encoder. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of encoder using double gear synchronous meshing and hall induction to solve the problems proposed in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of encoder using double gear synchronous meshing and hall induction, comprising:

[0006] Double gear transmission mechanism for encoder, double gear transmission mechanism includes upper gear and lower gear, upper gear bottom surface and lower gear abut, lower gear bottom surface abuts and has lower cover, lower cover top surface is connected with upper cover by screw, and upper cover bottom surface is connected with upper gear by screw;

[0007] A plurality of spring mechanisms, spring mechanism includes mounting plate one and mounting plate two, mounting plate one and mounting plate two are provided with booster spring in adjacent side, annular channel in booster spring is respectively provided with sleeve ring and abutting rod, the side of centrifugal of sleeve ring and abutting rod is respectively connected with mounting plate one and mounting plate two, and abutting rod end surface is slidably connected with sleeve ring by inserting rod, and upper gear and lower gear top surface are all provided with a plurality of through grooves for placing spring mechanism;

[0008] Magnet device for encoder, set in the lower part of double gear transmission mechanism;

[0009] Encoder hall induction device, set in the lower part of magnet device.

[0010] Preferably, the lower part of encoder hall induction device is provided with bottom plate, and the top surface of bottom plate is connected with main body by screw.

[0011] Preferably, the inner cavity of main body is rotatably connected with transmission shaft, and the top surface and bottom surface of transmission shaft are respectively connected with lower cover and magnet device.

[0012] Preferably, the top surface of the main body is connected with a gear cover through screws, and the double-gear transmission mechanism is arranged in the inner cavity of the gear cover.

[0013] Preferably, the side surface of the main body is provided with a protection assembly, and the protection assembly comprises a storage tube with a threaded inner cavity and a sealing cover recessed on the side surface.

[0014] Preferably, the end surface of the storage tube is connected and fixed with the main body, and the storage tube is threadedly connected with a threaded column.

[0015] Preferably, the end surface of the threaded column is bonded with an abutting block made of rubber, and the end of the threaded column away from the abutting block is connected and fixed with the sealing cover.

[0016] Preferably, the inner wall of the sealing cover is slidingly connected with the storage tube, and the outer curved surface of the sealing cover is connected with four push plates arranged in a centripetal manner.

[0017] Compared with the prior art, the technical effects and advantages of the utility model are as follows:

[0018] The encoder adopts double-gear synchronous meshing and Hall induction, and the traditional encoder usually adopts a single gear to mesh and drive. Such a structure is prone to gear wear and transmission error increase during long-time operation or under a large load, thereby affecting the precision and stability of the encoder. The double-gear transmission mechanism is composed of an upper gear and a lower gear, and the spring mechanism can provide a buffering effect for the upper gear and the lower gear, preventing gear wear and transmission error increase and improving the use precision and stability of the encoder.

[0019] The storage tube can store aluminum blocks and zinc blocks, so that aluminum and zinc materials directly contact the surface of the main body. Under the principle of sacrificial anode protection, the aluminum blocks and zinc blocks are oxidized and corroded instead of the main body, preventing the encoder from being corroded and damaged and prolonging the service life of the encoder. Meanwhile, the threaded column moves along the threaded path of the storage tube, and the abutting block abuts against the aluminum blocks and zinc blocks, so that the aluminum blocks or zinc blocks tightly contact the main body. The sealing cover provides a sealing and shielding effect for the storage tube, improving the structural stability of the components of the encoder.

[0020] The encoder adopts double-gear synchronous meshing and Hall induction, and by combining the double-gear synchronous meshing technology and the Hall induction technology, more accurate transmission, higher stability, and more reliable signal transmission are realized. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings used in the specific embodiments or prior art description. Obviously, the drawings described below are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0022] Figure 1 The structure diagram of the present application is shown in the figure.

[0023] Figure 2 The split structure diagram of the present application is shown in the figure.

[0024] Figure 3 The structure diagram of the double gear transmission mechanism of the present application is shown in the figure.

[0025] Figure 4 The split structure diagram of the double gear transmission mechanism of the present application is shown in the figure.

[0026] Figure 5 The split structure diagram of the spring mechanism of the present application is shown in the figure.

[0027] Figure 6 The structure diagram of the protection assembly of the present application is shown in the figure.

[0028] Figure 7 The split structure diagram of the storage tube and the sealing cover of the present application is shown in the figure.

[0029] Explanation of reference signs:

[0030] In the figure: 1, upper cover; 2, upper gear; 3, spring mechanism; 4, lower gear; 5, lower cover; 6, gear cover; 7, double gear transmission mechanism; 8, main body; 9, transmission shaft; 10, magnet device; 11, encoder Hall inductive device; 12, bottom plate; 13, mounting plate one; 14, sleeve ring; 15, booster spring; 16, plug-in rod; 17, abutting rod; 18, mounting plate two; 19, protection assembly; 20, storage tube; 21, abutting block; 22, threaded column; 23, sealing cover; 24, push plate. Specific embodiments

[0031] In the following description, a large number of specific details are given in order to provide a more thorough understanding of the present application. However, it is obvious to those skilled in the art that the present application can be implemented without one or more of these details. In other examples, in order to avoid confusion with the present application, some technical features known in the art are not described.

[0032] Unless the direction indicated by the definition alone, the present application relates to the above, below, left, right, front, back, internal and external and other directions are shown in the figure of the present application, in the above, below, left, right, front, back, internal and external and other directions as a reference, hereinafter.

[0033] The connection mode can adopt existing modes such as bonding, welding, bolt connection, etc., and the actual needs are accurate.

[0034] Please refer to Figures 1 to 7 An encoder using double gear synchronous meshing and Hall induction, the embodiment includes:

[0035] The encoder uses a double gear transmission mechanism 7, which contains an upper gear 2 and a lower gear 4, the bottom surface of the upper gear 2 abuts against the lower gear 4, the bottom surface of the lower gear 4 abuts against a lower cover 5, the top surface of the lower cover 5 is connected with an upper cover 1 through screws, the bottom surface of the upper cover 1 is connected with the upper gear 2 through screws, the lower cover 5 is in an inverted T shape, and the bottom surface of the lower gear 4 is rotationally connected with the lower cover 5;

[0036] A plurality of spring mechanisms 3, the spring mechanism 3 contains a mounting plate one 13 and a mounting plate two 18, the mounting plate one 13 and the mounting plate two 18 are provided with booster springs 15 on the adjacent sides, the annular channels of the booster springs 15 are respectively provided with sleeve rings 14 and abutting rods 17, the centrifugal sides of the sleeve rings 14 and the abutting rods 17 are respectively connected with the mounting plate one 13 and the mounting plate two 18, the end surface of the abutting rod 17 is slidingly connected with the sleeve ring 14 through the insertion rod 16, the top surfaces of the upper gear 2 and the lower gear 4 are respectively provided with a plurality of through grooves for placing the spring mechanism 3, the through grooves of the upper gear 2 are communicated with the through grooves of the lower gear 4, and each spring mechanism 3 is arranged in the communicated through grooves of the upper gear 2 and the lower gear 4;

[0037] The encoder uses a magnet device 10, which is arranged at the lower part of the double gear transmission mechanism 7;

[0038] The encoder uses a Hall induction device 11, which is arranged at the lower part of the magnet device 10.

[0039] The lower part of the encoder Hall sensing device 11 is provided with a bottom plate 12, the encoder Hall sensing device 11 is fixedly connected to the top of the bottom plate 12, and the part of the encoder Hall sensing device 11 in contact with the bottom plate 12 is wrapped with a rubber film to prevent the encoder Hall sensing device 11 from directly contacting the bottom plate 12, the top surface of the bottom plate 12 is connected with the main body 8 through screws, the inner cavity of the main body 8 is rotatably connected with a transmission shaft 9, the top surface and the bottom surface of the transmission shaft 9 are respectively connected with the lower cover 5 and the magnet device 10, the top surface of the main body 8 is connected with the gear cover 6 through screws, the double-gear transmission mechanism 7 is arranged in the inner cavity of the gear cover 6, the side surface of the main body 8 is provided with a protection assembly 19, the protection assembly 19 comprises a storage tube 20 with a threaded inner cavity and a sealing cover 23 with a side inner recess, the end surface of the storage tube 20 is fixedly connected with the main body 8, the storage tube 20 is threadedly connected with a threaded column 22, the end surface of the threaded column 22 is bonded with an abutting block 21 made of rubber material, one end of the threaded column 22 away from the abutting block 21 is fixedly connected with the sealing cover 23, the inner wall of the sealing cover 23 is slidably connected with the storage tube 20, and the outer curved surface of the sealing cover 23 is connected with four push plates 24 arranged in a centripetal manner.

[0040] In order to protect the gears from wearing, the double-gear transmission mechanism 7 is composed of the upper gear 2 and the lower gear 4, and the spring mechanism 3 is arranged to provide a buffering protection function, and the double-gear transmission mechanism 7 comprises the upper gear 2, the lower gear 4, the spring mechanism 3, the upper cover 1 and the lower cover 5, the upper gear 2 and the lower gear 4 are elastically connected and synchronously rotated through the spring mechanism 3.

[0041] In order to protect the encoder, the protection assembly 19 is arranged to store aluminum blocks or zinc blocks, the aluminum blocks or zinc blocks are placed in the inner cavity of the storage tube 20, the threaded column 22 is moved downward along the threaded path of the storage tube 20, the threaded column 22 drives the abutting block 21 to abut against the aluminum blocks or zinc blocks stored in the inner cavity of the storage tube 20, so that the aluminum blocks or zinc blocks are in close contact with the main body 8, the encoder is usually coated with a coating layer during the anti-rust process, but the coating layer is prone to falling off during long-term use, which may cause the encoder to be oxidized and corroded, and shorten the service life of the encoder, under the principle of sacrificial anode protection, the aluminum blocks or zinc blocks are replaced by the encoder to be oxidized and corroded, so that the protection effect of the encoder is realized, and the service life of the encoder is prolonged.

[0042] The magnet device 10 and the encoder Hall sensing device 11 are prior art, and the working principles, sizes and types are irrelevant to the functions of the present application, so they will not be described in detail, the control mode of the present application is controlled by a controller, the control circuit of the controller can be realized by simple programming of those skilled in the art, the power supply also belongs to the common knowledge in the field, and the present application is mainly used for protecting mechanical devices, therefore, the control mode and circuit connection of the present application will not be explained in detail.

[0043] Working principle

[0044] The encoder adopts double gear synchronous meshing and Hall induction, when the user uses, the double gear transmission mechanism 7 includes the upper gear 2, the lower gear 4, the spring mechanism 3, the upper cover 1 and the lower cover 5, the upper gear 2 and the lower gear 4 are elastically connected and synchronously rotated through the spring mechanism 3, and the encoder Hall induction device 11 is used for detecting the rotating state of the double gear and converting into a CAN signal for output;

[0045] When the encoder needs to be protected, the inner cavity of the storage tube 20 is placed with an aluminum block or a zinc block, the push plate 24 is pushed, the sealing cover 23 is rotated to drive the threaded column 22 to rotate, the threaded column 22 moves along the threaded path of the storage tube 20 to drive the abutting block 21 to move, the abutting block 21 abuts against the aluminum block or the zinc block, the aluminum block or the zinc block is in close contact with the main body 8, and the aluminum block or the zinc block is replaced by the encoder to be oxidized and corroded, so that the service life of the encoder is prolonged.

[0046] It should be noted that, in the present document, relational terms such as one and the other and at least one of often are used solely to distinguish one entity or action from another entity or action, without necessarily requiring or implying that each modified entity or action must exist separately from another entity or action. Moreover, the terms "comprise", "comprises", "comprising", "include", "includes" or "including" are used herein to be had an open-ended meaning, that is to say, a meaning of including, but not limited to, and such terms accept the prefix of "comprising", "comprises", "comprising", "include", "includes" or "including" to indicate encompassing had the elements listed thereafter and any additional elements that can exist provided that the can exist provided that the additional elements do not mutually exclude the listed elements or additional elements.

[0047] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An encoder using double gear synchronous engagement and Hall induction, characterized by, The utility model relates to an encoder, including: The encoder uses double gear drive mechanism (7), double gear drive mechanism (7) contains upper gear (2) and lower gear (4), upper gear (2) bottom surface and lower gear (4) abut, lower gear (4) bottom surface abuts and is connected with upper cover (1) through screw on upper cover (5) top surface, and upper cover (1) bottom surface is connected with upper gear (2) through screw; Several spring mechanisms (3), the spring mechanism (3) contains mounting plate one (13) and mounting plate two (18), the adjacent side of mounting plate one (13) and mounting plate two (18) is provided with booster spring (15), the annular channel in booster spring (15) is provided with sleeve ring (14) and abutment rod (17) respectively, the side away from the center of sleeve ring (14) and abutment rod (17) is connected with mounting plate one (13) and mounting plate two (18) respectively, the end surface of abutment rod (17) is slidably connected with sleeve ring (14) through insertion rod (16), and the top surface of upper gear (2) and lower gear (4) is provided with a plurality of through grooves for placing spring mechanism (3); The encoder uses magnet device (10) and is arranged in the lower part of double gear drive mechanism (7); The encoder uses hall induction device (11) and is arranged in the lower part of magnet device (10).

2. The encoder of claim 1, wherein: The lower part of encoder hall induction device (11) is provided with bottom plate (12), and the top surface of bottom plate (12) is connected with main body (8) through screw.

3. The encoder of claim 2, wherein: The inner cavity of main body (8) is rotatably connected with transmission shaft (9), and the top surface and bottom surface of transmission shaft (9) are connected with lower cover (5) and magnet device (10) respectively.

4. The encoder of claim 3, wherein: The top surface of main body (8) is connected with gear cover (6) through screw, and double gear drive mechanism (7) is arranged in the inner cavity of gear cover (6).

5. The encoder of claim 4, wherein: The side surface of main body (8) is provided with protection assembly (19), and protection assembly (19) contains storage tube (20) with threaded inner cavity and sealing cover (23) with side inner recess.

6. The encoder of claim 5, wherein: The end surface of storage tube (20) is connected and fixed with main body (8), and storage tube (20) is threadedly connected with threaded column (22).

7. The encoder of claim 6, wherein: The end surface of threaded column (22) is bonded with abutment block (21) made of rubber material, and the end, away from abutment block (21), of threaded column (22) is connected and fixed with sealing cover (23).

8. The encoder of claim 7, wherein: The inner wall of sealing cover (23) is slidably connected with storage tube (20), and the outer curved surface of sealing cover (23) is connected with four centripetal push plates (24).

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