Encoder housing assembly

Abstract

The utility model relates to the technical field of encoder shells, and discloses an encoder shell assembly, which comprises an outer shell, the right side surface of the outer shell is provided with a connecting port, the upper surface of the outer shell is detachably connected with an upper end plate, and the outer side surface of the outer shell is fixedly connected with annular heat dissipation fins. An annular shell is fixedly connected to the outer side of the outer shell, a heat dissipation opening is formed in the outer side of the annular shell, an annular plate is arranged on the upper portion of the annular shell, a heat preservation barrel is fixedly connected to the lower portion of the annular plate, and an adaptive through groove is formed in the surface of the outer wall of the heat preservation barrel. According to the utility model, the heat dissipation area of the outer shell can be increased and the heat dissipation efficiency can be improved through the arranged annular heat dissipation fins, and through the cooperation of the arranged annular shell, the heat dissipation port, the sealing rubber ring and the heat preservation cylinder, a heat preservation closed space can be formed on the outer side of the annular heat dissipation fins when the environment is low in temperature, thereby reducing the influence of the environment temperature on the use of the encoder.

Description

TECHNICAL FIELD

[0001] The utility model relates to encoder shell technical field especially relates to a kind of encoder shell assemblies. BACKGROUND

[0002] Encoder is the signal or data is arranged, converted into the signal form available to communication, transmission and storage, and encoder housing plays a vital role in the use of encoder, it not only provides physical protection for encoder, also has important influence to its performance and reliability, encoder housing can protect the optical or magnetic elements, circuit board etc. inside encoder from external mechanical damage, such as collision, scratch etc., simultaneously, can play certain electromagnetic shielding effect, reduce the influence of external electromagnetic interference to encoder internal circuit and signal.

[0003] Through the search, Chinese patent publication number: CN220304562U discloses a kind of encoder housing, including by bearing fixing ring and front end plate and rear end plate are carried out split type clamping installation, when front end plate and rear end plate are removed from fixed cover, bearing fixing ring falls off from front end plate and rear end plate, support bearing and bearing fixing ring keep the state of relative position unchanged with rotating shaft, so that the inside of encoder can be overhauled and maintained without rotating shaft from support bearing, greatly improve the convenience of encoder overhaul and maintenance.

[0004] And the above-mentioned encoder housing is greatly influenced by environmental temperature change in actual use process, when temperature is higher, it can cause thermal expansion of encoder housing material to change the fit clearance between shell and internal components, affect the precision and stability of encoder, while in low temperature, shell material can shrink, possibly cause the clearance between shell and internal components to increase, affect the mechanical precision of encoder, and can make the lubricating oil or lubricating grease in shell viscous or even solidified, increase the friction resistance of mechanical parts, cause encoder difficult to start, increase starting torque, even damage mechanical parts when starting, for this, a kind of encoder housing assembly is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a kind of encoder housing assembly, to improve the problem that environmental temperature change in prior art has greater influence on actual use effect of encoder housing.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: encoder housing assembly, including the outer shell, the right side surface of the outer shell is opened with the connecting port, the upper surface of the outer shell is detachably connected with the upper end plate, the outside surface of the outer shell is fixedly connected with the annular heat dissipation fin, the outside of the outer shell is fixedly connected with the annular shell, the outside of the annular shell is opened with the heat dissipation port, the upper of the annular shell is provided with the ring plate, the lower of the ring plate is fixedly connected with the heat preservation cylinder, the upper surface of the heat preservation cylinder is provided with the fixed unit, the fixed unit is used for fixedly locating the heat preservation cylinder, the outer wall surface of the heat preservation cylinder is opened with the adaptive through slot.

[0007] As further description of the above technical scheme:

[0008] The annular shell is sleeved on the outside of the annular heat dissipation fin, and the heat preservation cylinder is sleeved on the outside of the annular shell.

[0009] As further description of the above technical scheme:

[0010] The bottom surface of the ring plate and the upper surface of the annular shell are mutually attached, and the size of the adaptive through slot and the size of the heat dissipation port are mutually adapted.

[0011] As further description of the above technical scheme:

[0012] The fixed unit includes a side plate, the side plate is fixedly connected to the inner wall surface of the ring plate, the upper of the side plate is provided with a bolt, and the upper surface of the annular shell is opened with a screw hole.

[0013] As further description of the above technical scheme:

[0014] The bottom end of the bolt penetrates the side plate, and the bottom end of the bolt is threadedly connected with the inside of the screw hole.

[0015] As further description of the above technical scheme:

[0016] The number of screw holes is two, and the two screw holes are annularly arranged on the upper surface of the annular shell.

[0017] As further description of the above technical scheme:

[0018] The inside of the heat dissipation port is fixedly connected with a sealing rubber ring, and the corner of the outer wall of the sealing rubber ring is provided with a round corner structure.

[0019] As further description of the above technical scheme:

[0020] The bottom surface of the heat preservation cylinder is fixedly connected with an annular limiting plate, and the upper surface of the annular limiting plate and the bottom surface of the annular shell are mutually attached.

[0021] The utility model has the advantages of the following beneficial effects:

[0022] 1. The utility model discloses a circular heat dissipation fin is set up, can increase the heat dissipation area of shell body, promotes its heat dissipation efficiency, avoids the internal temperature of shell shell body when temperature is higher and is difficult to disperse in time and leads to the use of encoder, through the cooperation of the circular shell body, heat dissipation mouth, sealing rubber ring and heat preservation cylinder, can form the heat preservation closed space on the outside of circular heat dissipation fin when the environment is low temperature, reduce the contact area between shell body and outside air, reduce the influence of low temperature environment to the use of encoder.

[0023] 2. The utility model discloses the cooperation of fixed unit, ring plate and annular limit board can limit the up-and-down movement of heat preservation cylinder, makes heat preservation cylinder can revolve around circular shell body stably, and can complete the fixation of heat preservation cylinder fast, makes heat preservation cylinder can use stably, simple structure, convenient operation. DRAWINGS

[0024] Figure 1 It is the overall schematic view of the encoder shell body assembly proposed in the utility model;

[0025] Figure 2 It is the schematic view of the shell body of the encoder shell body assembly proposed in the utility model;

[0026] Figure 3 It is the schematic view of the heat preservation cylinder of the encoder shell body assembly proposed in the utility model; Figure 1 Part A;

[0027] Figure 4 It is the schematic view of the circular shell body of the encoder shell body assembly proposed in the utility model;

[0028] Figure 5 It is the schematic view of the heat preservation cylinder of the encoder shell body assembly proposed in the utility model.

[0029] Legend:

[0030] 1, shell body;2, connecting port;3, upper end plate;4, circular heat dissipation fin;5, circular shell body;6, heat dissipation mouth;7, sealing rubber ring;8, ring plate;9, heat preservation cylinder;91, side plate;92, bolt;93, screw hole;10, adaptation slot;11, annular limit board. DETAILED DESCRIPTION

[0031] The technical solutions 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, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0032] With reference to Figures 1-2 The utility model provides an embodiment: encoder housing assembly, including outer shell 1, the right side surface of outer shell 1 is equipped with connecting port 2, connecting port 2 is used for the inside component of outer shell 1 and connecting line are connected, the upper surface of outer shell 1 is detachably connected with upper end plate 3, the outside surface of outer shell 1 is fixedly connected with annular heat dissipation fin 4, the number of annular heat dissipation fin 4 is several, and the upper and lower linear array is fixedly connected on the outside of outer shell 1, is used to increase the heat dissipation area of outer shell 1 whole, improves the efficiency of heat transfer to the surrounding environment, according to heat conduction theory, the greater the heat dissipation area is, the better the heat dissipation effect is.

[0033] With reference to Figures 3-5 The outside of outer shell 1 is fixedly connected with annular shell 5, annular shell 5 is sleeved on the outside of annular heat dissipation fin 4, annular shell 5 completely wraps annular heat dissipation fin 4, the outside of annular shell 5 is equipped with heat dissipation port 6, the number of heat dissipation port 6 is several, and the several heat dissipation ports 6 are annular array and are equipped on the outside of annular shell 5, and outer shell 1 and annular heat dissipation fin 4 can complete heat exchange with outside air through heat dissipation port 6, realize rapid heat dissipation, the inside of heat dissipation port 6 is fixedly connected with sealing rubber ring 7, the corner of the outer wall of sealing rubber ring 7 is rounded structure and is set, the outer wall of sealing rubber ring 7 slightly protrudes on the outer wall of annular shell 5, the top of annular shell 5 is provided with ring plate 8, the bottom surface of ring plate 8 and the upper surface of annular shell 5 are mutually pasted, and ring plate 8 is fixedly connected with heat preservation cylinder 9 below, heat preservation cylinder 9 is sleeved on the outside of annular shell 5, heat preservation cylinder 9 can rotate around annular shell 5, ring plate 8 can limit heat preservation cylinder 9, so that heat preservation cylinder 9 cannot fall down, and the outer wall surface of heat preservation cylinder 9 is equipped with adaptive through slot 10, and the size of adaptive through slot 10 and the size of heat dissipation port 6 are mutually adapted.

[0034] In the initial state, the adaptive through slot 10 coincides with the heat dissipation port 6, at this time, the heat inside the outer shell 1 can be quickly dissipated through the heat dissipation port 6, in cold weather, the heat preservation cylinder 9 can be rotated to make the adaptive through slot 10 staggered, at this time, the heat preservation cylinder 9 will block the heat dissipation port 6, in the process of rotating the heat preservation cylinder 9, the circular corner along the sealing rubber ring 7 will slightly extrude the sealing rubber ring 7, so that the sealing rubber ring 7 is compressed to completely seal the gap between the heat preservation cylinder 9 and the annular shell 5, the ring plate 8, the heat preservation cylinder 9 and the annular shell 5 are all made of heat preservation material, which can improve the heat preservation efficiency of the outer shell 1 in cold weather, reduce the influence of the annular heat dissipation fin 4 on the outer shell 1, and avoid the gap between the encoder and the internal components increasing due to low temperature.

[0035] Referring to Figures 3-5 The upper surface of the heat preservation cylinder 9 is provided with a fixing unit, the fixing unit includes a side plate 91 fixedly connected to the inner wall surface of the ring plate 8, the ring plate 8 rotates to drive the side plate 91 to move synchronously, the upper side of the side plate 91 is provided with a bolt 92, the upper surface of the annular shell 5 is provided with a threaded hole 93, the bottom end of the bolt 92 penetrates the side plate 91, and the bottom end of the bolt 92 is screwed with the inner thread of the threaded hole 93, the number of threaded holes 93 is two, and the two threaded holes 93 are arranged in an annular array on the upper surface of the annular shell 5, the positions of the two threaded holes 93 correspond to the opening and closing states of the heat dissipation port 6 respectively, the bolt hole 92 can be screwed into the corresponding threaded hole 93 to quickly fix the ring plate 8 and the heat preservation cylinder 9 when the heat dissipation port 6 is opened or closed, thereby improving the use stability of the heat preservation cylinder 9, and the bottom surface of the heat preservation cylinder 9 is fixedly connected with a annular limiting plate 11, the upper surface of the annular limiting plate 11 is attached to the bottom surface of the annular shell 5, the annular limiting plate 11 can gather and limit the bottom of the heat preservation cylinder 9, avoid the heat preservation cylinder 9 from expanding outwardly, affect the sealing effect of the heat dissipation port 6, and further limit the heat preservation cylinder 9, so that the heat preservation cylinder 9 can stably rotate around the annular shell 5.

[0036] Working principle: when the temperature of the external working environment is high, the rotating heat preservation cylinder 9 makes the adaptive slot 10 and the heat dissipation port 6 complete alignment, and the bolt 92 is screwed into the corresponding position of the screw hole 93 to complete the fixation of the heat preservation cylinder 9, so that the heat at the outer shell body 1 can be quickly dissipated through the heat dissipation port 6, and the annular heat dissipation fin 4 arranged can improve the heat dissipation area outside the outer shell body 1, improve the heat exchange efficiency of the whole encoder and the external air, realize rapid heat dissipation, when the external temperature is low, the rotating heat preservation cylinder 9 can be used to seal the heat dissipation port 6, and the heat preservation cylinder 9 can be used to extrude the sealing rubber ring 7, so that the sealing rubber ring 7 can be used to seal the gap between the heat preservation cylinder 9 and the annular shell 5, and a closed heat preservation space is formed outside the annular heat dissipation fin 4, the contact area between the outer shell body 1 and the external air is reduced, the heat exchange efficiency is reduced, the gap between the outer shell body 1 and the internal components caused by low temperature of the encoder is avoided, the structure is simple, and the operation is simple.

[0037] Finally, it should be pointed out that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principles of the utility model, should be contained in the protection scope of the utility model.

Claims

1. An encoder housing assembly comprising an outer housing (1) characterised in that: The right side surface of the outer shell (1) is provided with a connecting port (2), the upper surface of the outer shell (1) is detachably connected with an upper end plate (3), the outer side surface of the outer shell (1) is fixedly connected with an annular heat dissipation fin (4), the outer side of the outer shell (1) is fixedly connected with an annular shell (5), the outer side of the annular shell (5) is provided with a heat dissipation port (6), the upper side of the annular shell (5) is provided with a ring plate (8), the lower side of the ring plate (8) is fixedly connected with a heat preservation cylinder (9), the upper surface of the heat preservation cylinder (9) is provided with a fixing unit, the fixing unit is used for fixing and limiting the heat preservation cylinder (9), and the outer wall surface of the heat preservation cylinder (9) is provided with an adaptive through slot (10).

2. The encoder housing assembly of claim 1, wherein: The annular shell (5) is sleeved outside the annular heat dissipation fin (4), and the heat preservation cylinder (9) is sleeved outside the annular shell (5).

3. The encoder housing assembly of claim 1, wherein: The bottom surface of the ring plate (8) and the upper surface of the annular shell (5) are mutually attached, and the size of the adaptive through slot (10) and the size of the heat dissipation port (6) are mutually adapted.

4. The encoder housing assembly of claim 1, wherein: The fixing unit comprises a side plate (91), the side plate (91) is fixedly connected to the inner wall surface of the ring plate (8), the upper side of the side plate (91) is provided with a bolt (92), and the upper surface of the annular shell (5) is provided with a threaded hole (93).

5. The encoder housing assembly of claim 4, wherein: The bottom end of the bolt (92) penetrates the side plate (91), and the bottom end of the bolt (92) is threadedly connected with the inside of the threaded hole (93).

6. The encoder housing assembly of claim 4, wherein: The number of the threaded hole (93) is two, and the two threaded holes (93) are annularly arranged on the upper surface of the annular shell (5).

7. The encoder housing assembly of claim 1, wherein: The inside of the heat dissipation port (6) is fixedly connected with a sealing rubber ring (7), and the outer wall of the sealing rubber ring (7) is provided with a rounded corner structure.

8. The encoder housing assembly of claim 1, wherein: The bottom surface of the heat preservation cylinder (9) is fixedly connected with an annular limiting plate (11), and the upper surface of the annular limiting plate (11) and the bottom surface of the annular shell (5) are mutually attached.

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