Protective device of encoder

Abstract

The utility model relates to the technical field of encoders, and discloses a protective device of an encoder, which comprises a protective support bottom plate, the top surface of the protective support bottom plate is fixedly connected with a protective cover plate, and a connecting self-locking assembly is arranged between the protective support bottom plate and the protective cover plate. An internal buffering assembly is arranged on the top face of the interior of the protection supporting bottom plate, and a positioning and fixing assembly is arranged on the top face of the internal buffering assembly. Through the effect of the connection self-locking assembly, external protection on the encoder is achieved, meanwhile, the outer shells can be rapidly installed and detached when the encoder needs to be used, and the encoder is convenient to use. And meanwhile, through mutual cooperation between the positioning and fixing assembly and the internal buffering assembly, positioning and fixing of the encoder are achieved, and meanwhile the anti-collision internal buffering protection effect is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to encoder technical field, concretely is a kind of protective device of encoder. 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, the latter is called code ruler, according to reading mode, encoder can be divided into contact type and non-contact type two;According to working principle, encoder can be divided into incremental and absolute two categories, incremental encoder is converted into periodic electrical signal by displacement, and this electrical signal is changed into counting pulse, and the number of pulse is used to indicate the size of displacement, absolute encoder corresponds to a certain digital code for each position, so its indication is only related to the starting and terminal position of measurement, and is irrelevant to the intermediate process of measurement.

[0003] In the storage or transportation stage of encoder, to avoid its damage by external environmental factors, the encoder needs to be properly protected, since the encoder is relatively precise, is easily eroded by water, oil and other substances, and then affects its performance and service life, so protective sleeve needs to be installed outside it.However, the existing protective sleeve installation mode has certain defects, it needs to be cooperated with bolt and clamp to realize limit installation, this installation mode is relatively cumbersome, not only needs to spend more time to complete installation operation, but also is more troublesome when protective sleeve needs to be disassembled subsequently, greatly reduces the use convenience of protective sleeve, is not conducive to efficient protection of encoder, for this purpose, a kind of protective device of encoder is provided. UTILITY MODEL CONTENT

[0004] (I) technical problem solved

[0005] In view of the deficiencies of prior art, the utility model provides a kind of protective device of encoder, solves the above-mentioned problems.

[0006] (II) technical scheme

[0007] To achieve the above-mentioned purposes, the utility model provides the following technical scheme:

[0008] A kind of protective device of encoder, including protective support base plate, the top surface of the protective support base plate is fixedly connected with protective cover plate, connecting self-locking assembly is arranged between the protective support base plate and protective cover plate, internal buffer assembly is arranged in the internal top surface of the protective support base plate, the top surface of the internal buffer assembly is provided with positioning and fixing assembly.

[0009] Preferably, the top surface of the protective support bottom plate is fixedly connected with a guide boss, equidistant spring mounting grooves are formed in the middle of the top surface of the protective support bottom plate, equidistant self-locking connecting sliding grooves are formed in the top surface of the protective support bottom plate, a sealing groove is formed in the top surface of the protective support bottom plate, and a bottom sealing ring is fixedly connected to the inner side of the sealing groove.

[0010] Preferably, the connecting self-locking assembly comprises a connecting fixed sliding rod and a side connecting spring, equidistant side connecting sliding holes are formed in the side surface of the protective cover plate, the side connecting spring is fixedly connected to the inner side of the side connecting sliding hole, the other end of the side connecting spring is fixedly connected with the connecting fixed sliding rod, and the connecting fixed sliding rod is slidably connected to the inner side of the side connecting sliding hole and the self-locking connecting sliding groove.

[0011] Preferably, the internal buffering assembly comprises an internal buffering spring and an internal support sliding plate, the internal buffering spring is fixedly connected to the inner side of the spring mounting groove, the top surface of the internal buffering spring is fixedly connected with the internal support sliding plate, and the top surface of the internal support sliding plate is provided with a positioning and fixing assembly.

[0012] Preferably, the inner side of the protective cover plate is fixedly connected with equidistant top guide sleeves, and the top surface of the internal support sliding plate is fixedly connected with equidistant positioning bosses.

[0013] Preferably, the positioning and fixing assembly comprises a top positioning support plate and a top fixed spring, the encoder body is slidably connected to the top surface of the internal support sliding plate, the encoder body is slidably connected to the outer side of the positioning boss, the top fixed spring is fixedly connected to the inner side of the top guide sleeve, the bottom surface of the top fixed spring is fixedly connected with the top positioning support plate, and the encoder body is slidably connected to the bottom surface of the top positioning support plate.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] The utility model discloses a connecting self-locking assembly, which realizes external protection of the encoder and quick installation and disassembly between the shells when needed, and realizes positioning and fixing of the encoder through the mutual cooperation of the positioning and fixing assembly and the internal buffering assembly, and also has the anti-collision and internal buffering protection effect. ACCURACY OF DRAWINGS

[0017] Figure 1 It is an overall structure schematic view of the utility model;

[0018] Figure 2 It is an overall structure split schematic view of the utility model;

[0019] Figure 3 It is the overall structure section view schematic diagram of the utility model;

[0020] Figure 4 It is the section view schematic diagram of partial structure connection self-locking assembly in the utility model.

[0021] In the drawing: 1, protective support bottom plate; 2, protective cover plate; 3, connecting fixed slide rod; 4, sealing groove; 5, guide boss; 6, spring installation groove; 7, self-locking connection sliding groove; 8, bottom sealing ring; 9, internal buffer spring; 10, internal support slide plate; 11, positioning boss; 12, side surface connecting spring; 13, encoder body; 14, top positioning support plate; 15, top fixed spring; 16, side surface connecting sliding hole; 17, top guide sleeve. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be described clearly and completely 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 fall within the protection scope of the utility model.

[0023] Please refer to Figures 1-4 The utility model provides a technical scheme;

[0024] The protective device of an encoder comprises a protective support bottom plate 1, the top surface of the protective support bottom plate 1 is fixedly connected with a protective cover plate 2, a connection self-locking assembly is arranged between the protective support bottom plate 1 and the protective cover plate 2, an internal buffer assembly is arranged on the internal top surface of the protective support bottom plate 1, and a positioning and fixing assembly is arranged on the top surface of the internal buffer assembly.

[0025] Further, the top surface of the protective support bottom plate 1 is fixedly connected with a guide boss 5, equidistantly distributed spring installation grooves 6 are formed in the middle of the top surface of the protective support bottom plate 1, equidistantly distributed self-locking connection sliding grooves 7 are formed in the top surface of the protective support bottom plate 1, a sealing groove 4 is formed in the top surface of the protective support bottom plate 1, and a bottom sealing ring 8 is fixedly connected to the inner side of the sealing groove 4. Through the action of the bottom sealing ring 8, the protective device has good sealing performance.

[0026] Further, the connecting self-locking assembly comprises a connecting fixed slide rod 3 and a side connecting spring 12, the side surface of the protective cover plate 2 is provided with equidistantly distributed side connecting slide holes 16, the inner side of the side connecting slide hole 16 is fixedly connected with the side connecting spring 12, the other end of the side connecting spring 12 is fixedly connected with the connecting fixed slide rod 3, the inner side of the side connecting slide hole 16 is slidably connected with the connecting fixed slide rod 3, and the inner side of the self-locking connecting slide groove 7 is slidably connected with the connecting fixed slide rod 3. Through the action of the connecting self-locking assembly, the protective shell can be conveniently and quickly installed and dismounted.

[0027] Further, the internal buffering assembly comprises an internal buffering spring 9 and an internal supporting slide plate 10, the inner side of the spring mounting groove 6 is fixedly connected with the internal buffering spring 9, the top surface of the internal buffering spring 9 is fixedly connected with the internal supporting slide plate 10, and the top surface of the internal supporting slide plate 10 is provided with a positioning and fixing assembly. Through the action of the internal buffering assembly, the encoder is buffered and protected.

[0028] Further, the inner side of the protective cover plate 2 is fixedly connected with equidistantly distributed equidistantly distributed top guide sleeves 17, and the top surface of the internal supporting slide plate 10 is fixedly connected with equidistantly distributed positioning bosses 11.

[0029] Further, the positioning and fixing assembly comprises a top positioning support plate 14 and a top fixed spring 15, the top surface of the internal supporting slide plate 10 is slidably connected with an encoder body 13, the outer side of the positioning boss 11 is slidably connected with the encoder body 13, the inner side of the top guide sleeve 17 is fixedly connected with the top fixed spring 15, the bottom surface of the top fixed spring 15 is fixedly connected with the top positioning support plate 14, and the bottom surface of the top positioning support plate 14 is slidably connected with the encoder body 13. Through the action of the positioning and fixing assembly, the encoder is positioned and fixed.

[0030] Structural description:

[0031] The protective supporting bottom plate 1 is the basis of the entire protective device, generally adopts high-strength engineering plastic or aluminum alloy material, the former has low cost and light weight, and the latter has high strength and corrosion resistance. The top surface of the protective supporting bottom plate 1 is provided with a guide boss 5, which is made by mold injection or mechanical processing and can accurately guide the installation of the protective cover plate 2. The spring mounting groove 6, the self-locking connecting slide groove 7 and the sealing groove 4 are all precisely machined and used for mounting the internal buffering spring 9, cooperating with the connecting self-locking assembly and mounting the bottom sealing ring 8 respectively, so as to ensure the stability and sealing of the device.

[0032] Protective cover 2: protective cover 2 material and protective support bottom plate 1 adapt, mostly engineering plastics or metal, side side connection sliding hole 16, through mechanical drilling or mold forming, with the connection fixed slide rod 3 and side connection spring 12 closely cooperate, realize fast installation, inside the top guide sleeve 17, adopt injection molding or machining, for the top fixed spring 15 and top positioning support plate 14 provide guide, ensure that the positioning fixed component normal work, protect the encoder;

[0033] Connection fixed slide rod 3: connection fixed slide rod 3 is usually made of metal material, such as stainless steel or carbon steel, the surface is polished, so that its surface is smooth, reduce the friction between the side connection sliding hole 16 and the self-locking connection sliding groove 7, the diameter and length of the connection fixed slide rod 3 are accurately processed according to the design requirements of the protective device, one end is fixedly connected with the side connection spring 12, and the other end slides in the side connection sliding hole 16 and the self-locking connection sliding groove 7, the connection fixed slide rod 3 is reasonably designed in shape, which can conveniently realize the connection and disassembly of the protective support bottom plate 1 and the protective cover 2 while ensuring the strength;

[0034] Side connection spring 12: the side connection spring 12 is made of metal spring with good elasticity, such as stainless steel spring, the spring constant is carefully calculated to ensure that sufficient elastic force can be provided when the protective cover 2 is installed and disassembled, so that the connection fixed slide rod 3 can be smoothly clamped into or out of the self-locking connection sliding groove 7, the two ends of the side connection spring 12 are fixed in the inside of the side connection sliding hole 16 and the connection fixed slide rod 3 respectively, when installed, the spring is in a compressed state, pushing the connection fixed slide rod 3 to be clamped into the self-locking connection sliding groove 7, realizing the quick connection of the protective cover 2 and the protective support bottom plate 1; when disassembled, the external force overcomes the elastic force of the spring, and the connection fixed slide rod 3 is pushed out of the self-locking connection sliding groove 7, completing the disassembly of the protective cover 2;

[0035] Internal buffer spring 9: the internal buffer spring 9 is the core component of the internal buffer assembly, which is usually made of high-strength metal spring, such as carbon steel spring or stainless steel spring, the spring material is strictly selected, which has good elasticity and fatigue resistance, and can maintain stable buffering effect in a long time of use, the spring wire diameter, spring coil number and spring height of the internal buffer spring 9 are accurately designed and calculated to ensure that it can effectively absorb the impact force from the outside and protect the encoder from collision damage, the two ends of the internal buffer spring 9 are ground to make them closely fit with the spring mounting groove 6 and the internal support sliding plate 10, ensuring uniform transmission of the buffering force;

[0036] The internal support slide plate 10 is generally made of plastic or metal material, such as engineering plastic or aluminum alloy, which has the advantages of light weight, corrosion resistance, etc. if engineering plastic is used; if aluminum alloy is used, it has the characteristics of high strength and good heat dissipation. The surface of the internal support slide plate 10 is smooth and in good contact with the encoder body 13, which can provide stable support for the encoder. The size of the internal support slide plate 10 is adapted to the space inside the protective support bottom plate 1, and the top surface is provided with a positioning and fixing assembly, and the bottom surface is fixedly connected with the internal buffer spring 9. During the buffering process, the impact force can be uniformly transmitted to the internal buffer spring 9, and the internal buffer spring 9 can also move up and down under the action of the internal buffer spring 9, realizing the buffering protection of the encoder.

[0037] The top positioning support plate 14 is usually made of metal material, such as stainless steel or aluminum alloy, which has high strength and rigidity. The bottom surface of the top positioning support plate 14 is polished to make it in close contact with the top surface of the encoder body 13, which can effectively transmit the pressure of the top fixed spring 15 and realize the vertical fixation of the encoder. The shape and size of the top positioning support plate 14 are designed according to the shape of the encoder body 13, which can be well fitted with the top surface of the encoder body 13 and can smoothly slide up and down in the top guide sleeve 17, ensuring the normal realization of the positioning and fixing functions.

[0038] The top fixed spring 15 is a metal spring, such as a stainless steel spring, which has good elasticity and stability. The spring wire diameter, spring coil number and spring height of the top fixed spring 15 are accurately calculated according to the design requirements of the protective device to ensure that it can provide sufficient pressure to tightly press the top positioning support plate 14 on the top surface of the encoder body 13, realizing the vertical fixation of the encoder. The top fixed spring 15 is installed in the top guide sleeve 17, and the two ends are fixedly connected with the top guide sleeve 17 and the top positioning support plate 14 respectively. During the working process, it can maintain stable elastic deformation and provide reliable positioning and fixing effect for the encoder.

[0039] Working principle: when installing the protective device, align the protective cover plate 2 with the protective support base plate 1, align the connecting fixed slide rod 3 on the side of the protective cover plate 2 with the self-locking connecting slide groove 7 on the top surface of the protective support base plate 1, as the protective cover plate 2 gradually approaches the protective support base plate 1, the connecting fixed slide rod 3 slides along the side connecting slide hole 16 and the self-locking connecting slide groove 7 under the action of the side connecting spring 12, until it is clamped into the appropriate position, completing the quick installation, at this time, the protective device is closed, forming external protection for the encoder, when disassembling, only need to apply a certain external force to push the connecting fixed slide rod 3 out of the self-locking connecting slide groove 7, so that the protective cover plate 2 and the protective support base plate 1 can be easily separated, the operation is simple and fast, place the encoder body 13 on the internal support slide plate 10, the side of the encoder body 13 is attached to the positioning boss 11, which preliminarily positions the encoder in the horizontal direction, at the same time, the top fixed spring 15 in the top guide sleeve 17 extrudes the top positioning support plate 14 downward, so that the top positioning support plate 14 is tightly pressed on the top surface of the encoder body 13, which fixes the encoder in the vertical direction, through the joint action of the positioning boss 11 and the top positioning support plate 14, the encoder body 13 is stably positioned and fixed in the protective device, ensuring that it will not displace during transportation or storage.

[0040] 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, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A protective device for an encoder, comprising a protective support base plate (1), characterized in that: The protective support base plate (1) is fixedly connected to the top surface of the protective cover plate (2), and a self-locking connection component is provided between the protective support base plate (1) and the protective cover plate (2). An internal buffer component is provided on the inner top surface of the protective support base plate (1), and a positioning and fixing component is provided on the top surface of the internal buffer component.

2. The encoder protection device according to claim 1, characterized in that: The top surface of the protective support base plate (1) is fixedly connected to a guide boss (5), the top surface of the protective support base plate (1) is provided with equidistantly distributed spring mounting grooves (6), the top surface of the protective support base plate (1) is provided with equidistantly distributed self-locking connecting grooves (7), the top surface of the protective support base plate (1) is provided with a sealing groove (4), and the inner side of the sealing groove (4) is fixedly connected to a bottom sealing ring (8).

3. The encoder protection device according to claim 2, characterized in that: The self-locking connection assembly includes a connecting and fixing slide rod (3) and a side connecting spring (12). The protective cover plate (2) has equidistantly distributed side connecting slide holes (16) on its side. The side connecting spring (12) is fixedly connected to the inner side of the side connecting slide hole (16). The connecting and fixing slide rod (3) is fixedly connected to the other end of the side connecting spring (12). The connecting and fixing slide rod (3) is slidably connected to the inner side of the side connecting slide hole (16). The connecting and fixing slide rod (3) is slidably connected to the inner side of the self-locking connection groove (7).

4. The encoder protection device according to claim 2, characterized in that: The internal buffer assembly includes an internal buffer spring (9) and an internal support slide plate (10). The internal buffer spring (9) is fixedly connected to the inner side of the spring mounting groove (6), and the internal support slide plate (10) is fixedly connected to the top surface of the internal buffer spring (9). The top surface of the internal support slide plate (10) is provided with a positioning and fixing component.

5. The encoder protection device according to claim 4, characterized in that: The inner side of the protective cover plate (2) is fixedly connected with equidistantly distributed top guide sleeves (17), and the top surface of the internal support slide plate (10) is fixedly connected with equidistantly distributed positioning bosses (11).

6. The encoder protection device according to claim 5, characterized in that: The positioning and fixing assembly includes a top positioning support plate (14) and a top fixing spring (15). The top surface of the inner support slide plate (10) is slidably connected to the encoder body (13). The outer side of the positioning boss (11) is slidably connected to the encoder body (13). The inner side of the top guide sleeve (17) is fixedly connected to the top fixing spring (15). The bottom surface of the top fixing spring (15) is fixedly connected to the top positioning support plate (14). The bottom surface of the top positioning support plate (14) is slidably connected to the encoder body (13).

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