Protective device of encoder

Abstract

The protection device comprises a machine body and a cable inserted in the surface of the machine body, shaft rods are fixedly connected to the two sides of the front face of the machine body, swing rods are arranged on the surfaces of the shaft rods in a sleeved mode, and the sides, away from the shaft rods, of the swing rods extend to the outer side of the cable and are fixedly connected with a sealing cover. The inner sides of the sealing covers are in contact with each other and sleeve the surface of the cable, and the back surfaces of the sealing covers are in contact with the front surface of the machine body. Through the combination of the machine body, the cable, the shaft rod, the swing rod, the sealing cover, the lifting plate, the extrusion plate and the transmission structure, the encoder cable is effectively protected, the sealing cover can be tightly sleeved on the surface of the cable, external dust, moisture and other impurities are prevented from entering the encoder, and the service life of the encoder is prolonged. Therefore, normal operation of the encoder is guaranteed, the service life of the encoder is prolonged, and meanwhile, the transmission structure can control movement of the lifting plate and the extrusion plate, so that the sealing cover can be conveniently opened or closed, and plugging, pulling and maintenance of a cable are facilitated.

Description

Technical Field

[0001] This utility model relates to the field of encoder technology, specifically to a protective device for an encoder. Background Technology

[0002] The encoder converts mechanical motion into electrical signals. The principle is that the mechanical motion drives the encoder disk to rotate, and the photoelectric sensor detects the gaps or reflective strips on the encoder disk to generate photoelectric signals. Different combinations of gaps or reflective strips at different positions generate different electrical signal sequences, which represent the angular position or distance of the mechanical motion and transmit the data through the plugged-in cable.

[0003] For example, the patent application number published on the China Patent Network is 201920967646.5, and the patent name is: Encoder Protection Structure. It includes an encoder housing, an encoder housing cover fitted on the top of the encoder housing, first locking blocks fixedly connected to both sides of the bottom end of the encoder housing cover, and spring blocks inserted and connected to both sides of the top of the encoder housing. This utility model is an encoder protection structure with a first layer of sealed waterproof mechanism design, which can block water vapor. Even if water vapor does enter, it will be removed by the moisture-proof plate. The second layer is a dustproof mechanism design, which can block fine dust from entering. Through the design of springs and baffles, the encoder housing cover can be easily opened, and then the dustproof mechanism and encoder components can be taken out by rotating. Then, the encoder components can be easily replaced by unscrewing the bolts, achieving true convenience of disassembly.

[0004] However, the existing connection methods between encoders and cables are relatively simple, mainly through plug-in connection. Plug-in connection can cause gaps between the cable and the encoder, allowing external moisture to easily enter the gaps and affecting the stability of the connection.

[0005] Therefore, the protective device of the encoder needs to be redesigned and modified. Utility Model Content

[0006] To address the problems mentioned in the background art, the purpose of this utility model is to provide a protective device for encoders, which has the advantage of improving the connection protection effect. It solves the problem that the existing encoder and cable connection methods are relatively simple, mainly through plug-in connection. The plug-in connection method will cause gaps between the cable and the encoder, and external moisture can easily enter the gaps, thus affecting the connection stability.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a protective device for an encoder, comprising a body;

[0008] Cables plugged into the surface of the machine body;

[0009] Both sides of the front of the machine body are fixedly connected to shafts. A swing arm is fitted on the surface of the shaft. The side of the swing arm away from the shaft extends to the outside of the cable and is fixedly connected to a sealing cover. The inner sides of the sealing covers are in contact with each other and fitted onto the surface of the cable. The back of the sealing cover is in contact with the front of the machine body. A lifting plate is provided on the front of the machine body. Both sides of the bottom of the lifting plate are fixedly connected to extrusion plates. The side of the extrusion plate away from the lifting plate extends to the outside of the sealing cover and is slidably connected to the sealing cover. A transmission structure is provided on the front of the machine body, which can control the movement of the lifting plate.

[0010] As a preferred embodiment of this utility model, the transmission structure includes a connecting frame fixedly connected to the front of the machine body, a screw movably connected inside the connecting frame via a bearing, a lifting plate threadedly connected to the surface of the screw, and the top end of the screw extending through to the top of the connecting frame and fixedly connected to a rotating wheel.

[0011] In a preferred embodiment of this invention, guide rods are fixedly connected to both sides inside the connecting frame, and the lifting plate is sleeved on the surface of the guide rods and slidably connected to the guide rods.

[0012] In a preferred embodiment of this invention, a roller is movably connected to the side of the extrusion plate away from the lifting plate via a pin, and the outer surface of the roller contacts the surface of the sealing cover.

[0013] As a preferred embodiment of this invention, a traction rope is fixedly connected to the outer side of the extrusion plate, and the side of the traction rope away from the extrusion plate is fixedly connected to the outer side of the sealing cover. The traction rope is elastic.

[0014] As a preferred embodiment of this utility model, an extension plate is fixedly connected to the outer side of the extrusion plate, and a support wheel is movably connected to the side of the extension plate away from the extrusion plate via a pin, and the traction rope is hung on the surface of the support wheel.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0016] 1. This utility model achieves effective protection of encoder cables through the combination of a body, cable, shaft, swing arm, sealing cover, lifting plate, pressing plate and transmission structure. The sealing cover can be tightly fitted on the surface of the cable to prevent external dust, moisture and other impurities from entering the encoder, thereby ensuring the normal operation of the encoder and extending its service life. At the same time, the transmission structure can control the movement of the lifting plate and the pressing plate, so that the sealing cover can be easily opened or closed, which facilitates the insertion and removal of cables and maintenance.

[0017] 2. This utility model combines a connecting frame, screw, lifting plate and rotating wheel. Rotating the rotating wheel controls the up and down movement of the lifting plate. It is not only simple in structure and easy to operate, but also enables precise control of the lifting plate, ensuring that the sealing cover can fit tightly against the cable surface. At the same time, the threaded connection between the screw and the lifting plate also increases the stability and reliability of the device.

[0018] 3. This utility model uses a guide rod inside the connecting frame to slide and connect with the lifting plate, which plays a guiding and supporting role. During the up and down movement of the lifting plate, the guide rod can ensure that the lifting plate does not deviate from the predetermined trajectory, thereby ensuring that the sealing cover can be opened or closed accurately. At the same time, the guide rod also increases the stability and load-bearing capacity of the device.

[0019] 4. In this utility model, a roller is movably connected to the side of the extrusion plate away from the lifting plate via a pin. The outer surface of the roller contacts the surface of the sealing cover, which can reduce the frictional resistance between the extrusion plate and the sealing cover, making the lifting plate move more smoothly and effortlessly. At the same time, the roller can also protect the surface of the sealing cover from damage and extend its service life.

[0020] 5. The present invention uses a traction rope fixedly connected to the outside of the extrusion plate. The side of the traction rope away from the extrusion plate is fixedly connected to the outside of the sealing cover, which can further enhance the stability of the sealing cover and prevent it from shaking or falling off during the movement of the lifting plate. At the same time, the elasticity of the traction rope can also absorb some vibration and impact force, protecting the sealing cover and cables from damage.

[0021] 6. The present invention uses an extension plate fixedly connected to the outside of the extrusion plate. The side of the extension plate away from the extrusion plate is movably connected to a support wheel via a pin. The traction rope is hung on the surface of the support wheel, which can keep the traction rope taut during the movement of the lifting plate and prevent it from loosening or falling off. At the same time, the support wheel can also reduce the frictional resistance between the traction rope and the extension plate, making the lifting plate move more smoothly and stably. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the structure of this utility model;

[0023] Figure 2 This is a schematic diagram of the main structure of this utility model;

[0024] Figure 3 This is a schematic diagram of the structure of this utility model from below;

[0025] Figure 4 This utility model Figure 2 Enlarged structural diagram at point A in the middle.

[0026] In the diagram: 1. Body; 2. Cable; 3. Shaft; 4. Swing rod; 5. Sealing cover; 6. Lifting plate; 7. Extrusion plate; 8. Transmission structure; 9. Connecting frame; 10. Screw; 11. Rotary wheel; 12. Guide rod; 13. Roller; 14. Traction rope; 15. Extension plate; 16. Support wheel. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] like Figures 1 to 4 As shown, the present invention provides a protective device for an encoder, comprising a body 1;

[0029] Cable 2 is plugged into the surface of the body 1;

[0030] Both sides of the front of the machine body 1 are fixedly connected to shafts 3. A swing arm 4 is sleeved on the surface of the shaft 3. The side of the swing arm 4 away from the shaft 3 extends to the outside of the cable 2 and is fixedly connected to a sealing cover 5. The inner sides of the sealing covers 5 are in contact with each other and are sleeved on the surface of the cable 2. The back of the sealing cover 5 is in contact with the front of the machine body 1. A lifting plate 6 is provided on the front of the machine body 1. Both sides of the bottom of the lifting plate 6 are fixedly connected to pressing plates 7. The side of the pressing plate 7 away from the lifting plate 6 extends to the outside of the sealing cover 5 and is slidably connected to the sealing cover 5. A transmission structure 8 is provided on the front of the machine body 1. The transmission structure 8 can control the movement of the lifting plate 6.

[0031] refer to Figure 3 The transmission structure 8 includes a connecting frame 9 fixedly connected to the front of the body 1. A screw 10 is movably connected inside the connecting frame 9 via a bearing. A lifting plate 6 is threadedly connected to the surface of the screw 10. The top end of the screw 10 extends through to the top of the connecting frame 9 and is fixedly connected to a rotating wheel 11.

[0032] As a technical optimization of this utility model, by combining the connecting frame 9, screw 10, lifting plate 6 and rotating wheel 11, the up and down movement of the lifting plate 6 can be controlled by rotating the rotating wheel 11. This not only has a simple structure and is easy to operate, but also enables precise control of the lifting plate 6, ensuring that the sealing cover 5 can fit tightly against the surface of the cable 2. At the same time, the threaded connection between the screw 10 and the lifting plate 6 also increases the stability and reliability of the device.

[0033] refer to Figure 3Guide rods 12 are fixedly connected to both sides inside the connecting frame 9, and lifting plate 6 is sleeved on the surface of guide rod 12 and slidably connected to guide rod 12.

[0034] As a technical optimization of this utility model, the guide rod 12 inside the connecting frame 9 is slidably connected to the lifting plate 6, which plays a guiding and supporting role. During the up and down movement of the lifting plate 6, the guide rod 12 can ensure that the lifting plate 6 will not deviate from the predetermined trajectory, thereby ensuring that the sealing cover 5 can be opened or closed accurately. At the same time, the guide rod 12 also increases the stability and load-bearing capacity of the device.

[0035] refer to Figure 4 The side of the extrusion plate 7 away from the lifting plate 6 is movably connected to a roller 13 via a pin, and the outer surface of the roller 13 is in contact with the surface of the sealing cover 5.

[0036] As a technical optimization of this utility model, a roller 13 is movably connected to the side of the extrusion plate 7 away from the lifting plate 6 via a pin. The outer surface of the roller 13 contacts the surface of the sealing cover 5, which can reduce the frictional resistance between the extrusion plate 7 and the sealing cover 5, making the lifting plate 6 move more smoothly and effortlessly. At the same time, the roller 13 can also protect the surface of the sealing cover 5 from damage and extend its service life.

[0037] refer to Figure 4 A traction rope 14 is fixedly connected to the outer side of the extrusion plate 7. The side of the traction rope 14 away from the extrusion plate 7 is fixedly connected to the outer side of the sealing cover 5. The traction rope 14 is elastic.

[0038] As a technical optimization of this utility model, the traction rope 14 is fixedly connected to the outside of the extrusion plate 7. The side of the traction rope 14 away from the extrusion plate 7 is fixedly connected to the outside of the sealing cover 5, which can further enhance the stability of the sealing cover 5 and prevent it from shaking or falling off during the movement of the lifting plate 6. At the same time, the elasticity of the traction rope 14 can also absorb some vibration and impact force, protecting the sealing cover 5 and the cable 2 from damage.

[0039] refer to Figure 4 An extension plate 15 is fixedly connected to the outer side of the extrusion plate 7. A support wheel 16 is movably connected to the side of the extension plate 15 away from the extrusion plate 7 via a pin. A traction rope 14 is hung on the surface of the support wheel 16.

[0040] As a technical optimization of this utility model, an extension plate 15 is fixedly connected to the outer side of the extrusion plate 7. A support wheel 16 is movably connected to the side of the extension plate 15 away from the extrusion plate 7 via a pin. The traction rope 14 is hung on the surface of the support wheel 16, which can keep the traction rope 14 taut during the movement of the lifting plate 6 and prevent it from loosening or falling off. At the same time, the support wheel 16 can also reduce the frictional resistance between the traction rope 14 and the extension plate 15, making the lifting plate 6 move more smoothly and stably.

[0041] The working principle and usage process of this utility model: The sealing cover 5 is suspended on the front of the machine body 1 by the swing rod 4. The lifting plate 6 is in the initial position, and the pressing plate 7 is also in a lower position accordingly, not in close contact with the sealing cover 5. At this time, due to gravity, the sealing cover 5 only loosely wraps around the cable 2. Then the user can insert the cable 2 into the front of the machine body 1. When it is necessary to adjust the tightness of the sealing cover 5 on the cable 2, the operator will activate the transmission structure 8. The transmission structure 8 includes components such as the connecting frame 9, the screw 10, and the rotating wheel 11. Rotating the rotating wheel 1... 1. The screw 10 rotates inside the connecting frame 9. Since the lifting plate 6 is threadedly connected to the surface of the screw 10, when the screw 10 rotates, the lifting plate 6 will move along its axis under the drive of the screw 10. The movement is based on the rotation direction of the screw 10. As the lifting plate 6 moves, the pressing plate 7 fixedly connected to its bottom will also move accordingly. The pressing plate 7 contacts the outer surface of the sealing cover 5 through a sliding connection or roller 13 and gradually applies pressure. In this way, the sealing cover 5 will be squeezed more tightly around the cable 2, improving the protection effect.

[0042] In summary, the encoder's protective device, through the combination of body 1, cable 2, shaft 3, swing arm 4, sealing cover 5, lifting plate 6, pressing plate 7, and transmission structure 8, effectively protects the encoder cable 2. The sealing cover 5 can tightly fit over the surface of the cable 2, preventing external dust, moisture, and other impurities from entering the encoder, thereby ensuring the normal operation of the encoder and extending its service life. At the same time, the transmission structure 8 can control the movement of the lifting plate 6 and the pressing plate 7, allowing the sealing cover 5 to be easily opened or closed, facilitating the insertion, removal, and maintenance of the cable 2.

[0043] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0044] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A protective device for an encoder, comprising a body (1); a cable (2) inserted on the surface of the body (1); characterized in that: the front surface of the body (1) is fixedly connected with two shaft rods (3), the surface of the shaft rod (3) is sleeved with a swing rod (4), the side of the swing rod (4) away from the shaft rod (3) extends to the outside of the cable (2) and is fixedly connected with a sealing cover (5), the inner sides of the sealing cover (5) contact each other and are sleeved on the surface of the cable (2), the back surface of the sealing cover (5) contacts the front surface of the body (1), the front surface of the body (1) is provided with a lifting plate (6), the bottom of the lifting plate (6) is fixedly connected with two extrusion plates (7) on both sides, the side of the extrusion plate (7) away from the lifting plate (6) extends to the outside of the sealing cover (5) and is slidably connected with the sealing cover (5), the front surface of the body (1) is provided with a transmission structure (8), the transmission structure (8) can control the movement of the lifting plate (6).

2. A protective device for an encoder according to claim 1, characterized in that: The transmission structure (8) comprises a connecting frame (9) fixedly connected to the front surface of the body (1), a screw rod (10) movably connected to the inside of the connecting frame (9) through a bearing, and the lifting plate (6) is threadedly connected to the surface of the screw rod (10), and the top end of the screw rod (10) penetrates into the top of the connecting frame (9) and is fixedly connected with a rotating wheel (11).

3. A protective device for an encoder according to claim 2, characterized in that: Both sides of the inside of the connecting frame (9) are fixedly connected with guide rods (12), the lifting plate (6) is sleeved on the surface of the guide rod (12) and is slidably connected with the guide rod (12).

4. The encoder guard of claim 1, wherein: The side of the extrusion plate (7) away from the lifting plate (6) is movably connected with a roller (13) through a pin shaft, and the outer surface of the roller (13) contacts the surface of the sealing cover (5).

5. The encoder guard of claim 1, wherein: The outer side of the extrusion plate (7) is fixedly connected with a traction rope (14), the side of the traction rope (14) away from the extrusion plate (7) is fixedly connected with the outer side of the sealing cover (5), and the traction rope (14) has elasticity.

6. A protective device for an encoder according to claim 5, characterized in that: The outer side of the extrusion plate (7) is fixedly connected with an extension plate (15), the side of the extension plate (15) away from the extrusion plate (7) is movably connected with a supporting wheel (16) through a pin shaft, and the traction rope (14) is hung on the surface of the supporting wheel (16).

Images