Torque motor with efficient heat dissipation structure

Abstract

The utility model discloses a torque motor with a high-efficiency heat dissipation structure, which belongs to the technical field of torque motors and comprises a motor shell, an upper cover and a lower cover are mounted on the upper portion and the lower portion of the motor shell respectively, and an epoxy resin layer is mounted in the motor shell. A cylindrical cavity is formed in the inner side of the epoxy resin layer, a motor rotor is mounted on the inner side of the cylindrical cavity, and a movable shaft is arranged at the top of the motor rotor; the threaded rod penetrates through the upper cover and the lower cover to be in threaded connection with the motor shell, when the torque motor is used, the motor rotor rotates, silicon steel sheets are evenly distributed on the inner side wall of the epoxy resin layer in a surrounding mode at the moment, and the stator is wrapped by high-temperature-resistant and high-heat-conduction epoxy resin; part of heat which is originally transferred through air is transferred to the motor shell through epoxy resin, a traditional mode of only depending on a silicon wafer to make contact with the shell and transferring heat through air is replaced, the overall heat dissipation efficiency is high, and use is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to torque motor technical field, more specifically, relate to a torque motor with high -efficient heat dissipation structure. BACKGROUND

[0002] Torque motor is also called torque motor, it is a kind of flat type multipole permanent magnet DC motor, and the armature has more slot number, commutator piece number and series conductor number, to reduce torque ripple and speed ripple, torque motor is a kind of special motor with more poles, can continuously run when the rotor cannot rotate at low speed of motor or even blocked, will not cause the damage of motor, and the motor can provide stable torque to load under this working mode, so it is named torque motor, torque motor can also provide torque opposite to the running direction.

[0003] Based on the above, the present application finds that: at present, on military products, motor requires high heat dissipation, and the existing motor is composed of shell, stator and rotor, motor can generate very high heat in the process of electric energy into kinetic energy, high temperature can reduce the efficiency of motor, the heat transfer in the motor is by silicon chip contact shell and air heat transfer, this low heat dissipation efficiency, therefore, in view of this, the existing structure is improved, provide a kind of torque motor with high -efficient heat dissipation structure, to reach more practical value purpose. UTILITY MODEL CONTENT

[0004] 1. Technical problem to be solved

[0005] In view of the problems in the prior art, the utility model aims at providing a torque motor with high -efficient heat dissipation structure, which can be used on military products, and the motor requires high heat dissipation, and the existing motor is composed of shell, stator and rotor, motor can generate very high heat in the process of electric energy into kinetic energy, high temperature can reduce the efficiency of motor, the heat transfer in the motor is by silicon chip contact shell and air heat transfer, this low heat dissipation efficiency problem.

[0006] 2. Technical scheme

[0007] To solve the above problems, the utility model adopts the following technical scheme.

[0008] The utility model provides a torque motor with high -efficient heat radiation structure, including motor casing, the upper and lower part of motor casing installs upper cover and lower cover respectively, and the inside of motor casing installs epoxy resin layer, the inside of epoxy resin layer is provided with cylindrical cavity, the inside of cylindrical cavity installs motor rotor, the top of motor rotor is provided with movable shaft, the top of upper cover and the bottom of lower cover are respectively connected with threaded rod, the lower right corner position of motor casing is provided with wire, the inner wall of epoxy resin layer is installed with silicon steel sheet, the inside of motor casing and lower cover is all connected with wire threading mouth fixedly, the bottom of upper cover and the upper part of lower cover are provided with sealing washer respectively.

[0009] Further, two groups of symmetrical thread grooves are formed in the inside of the motor casing.

[0010] Further, a thread groove two is formed in the inside of the upper cover, and a thread groove three is formed in the inside of the lower cover, and the threaded rods are threadedly connected with the thread groove two and the thread groove three respectively.

[0011] Further, the threaded rods are provided in two groups, and each two threaded rods form a group.

[0012] Further, the size of the cylindrical cavity is adapted to the size of the motor rotor.

[0013] Further, the silicon steel sheets are provided in multiple groups and are uniformly distributed in a surrounding manner on the inner wall of the epoxy resin layer, and each group of silicon steel sheets is formed by stacking multiple layers of silicon steel sheets.

[0014] Further, the diameter of the wire threading mouth is greater than the diameter of the wire.

[0015] 3. Beneficial effects

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] In the scheme, the threaded rods are respectively threaded through the upper cover and the lower cover and are threadedly connected with the motor casing, when the torque motor is used, the motor rotor rotates, at this time, the silicon steel sheets are uniformly distributed in a surrounding manner on the inner wall of the epoxy resin layer, the stator is wrapped by the high-temperature-resistant and high-heat-conductive epoxy resin, the heat originally transmitted through the air is transmitted to the motor casing through the epoxy resin, the traditional mode of only relying on the contact between the silicon sheet and the shell and the air heat transmission is replaced, the overall heat dissipation efficiency is high, and the torque motor is convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a three-dimensional schematic view of the utility model;

[0019] Figure 2 It is a schematic view of the torque motor split of the utility model;

[0020] Figure 3 is a schematic view of the inside of the motor shell of the utility model;

[0021] Figure 4 is a schematic view of the top of the motor shell of the utility model.

[0022] Explanation of reference numerals in the drawing:

[0023] 1, motor shell; 101, thread groove one; 2, upper cover; 21, thread groove two; 3, lower cover; 31, thread groove three; 4, motor rotor; 5, threaded rod; 6, wire; 7, movable shaft; 8, cylindrical cavity; 9, epoxy resin layer; 10, silicon steel sheet; 11, threading port; 12, sealing ring. DETAILED DESCRIPTION

[0024] 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 in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] EMBODIMENT:

[0026] Please refer to Figures 1-4 , a torque motor with high-efficiency heat dissipation structure, including motor shell 1, the upper and lower parts of motor shell 1 are provided with upper cover 2 and lower cover 3 respectively, upper cover 2 and lower cover 3 are used to open motor shell 1, and the inside of motor shell 1 is provided with epoxy resin layer 9, epoxy resin layer 9 is used to wrap stator, the inner side of epoxy resin layer 9 is provided with cylindrical cavity 8, cylindrical cavity 8 is used to install motor rotor 4, the inner side of cylindrical cavity 8 is provided with motor rotor 4, the top of motor rotor 4 is provided with movable shaft 7, the upper side of upper cover 2 and the lower side of lower cover 3 are respectively provided with threaded rod 5, threaded rod 5 is used to install upper cover 2 and lower cover 3 respectively, the lower right corner of motor shell 1 is provided with wire 6, the inner wall of epoxy resin layer 9 is provided with silicon steel sheet 10, silicon steel sheet 10 is used to cooperate with epoxy resin layer 9 to transmit the heat originally through air to motor shell 1 through epoxy resin, the inner side of motor shell 1 and lower cover 3 is fixedly connected with threading port 11, the bottom of upper cover 2 and the upper part of lower cover 3 are respectively provided with sealing ring 12, sealing ring 12 is used to prevent dust from entering motor shell 1.

[0027] Please refer to Figure 1 and Figure 2 , the inside of motor shell 1 is provided with two groups of symmetrical thread grooves one 101 respectively, by setting thread groove one 101, upper cover 2 and lower cover 3 can be installed by cooperating with threaded rod 5.

[0028] Please refer toFigure 1 And Figure 2 The inner side of the upper cover 2 is provided with a threaded groove two 21, the inner side of the lower cover 3 is provided with a threaded groove three 31, the threaded rods 5 are respectively threadedly connected with the threaded groove two 21 and the threaded groove three 31, and the threaded groove two 21 and the threaded groove three 31 can assist in mounting the upper cover 2 and the lower cover 3.

[0029] Referring to Figure 1 The threaded rods 5 are provided in two groups, and each two threaded rods 5 form a group, and the threaded rods 5 can be used to mount the upper cover 2 and the lower cover 3.

[0030] Referring to Figure 2 And Figure 3 The size of the cylindrical cavity 8 is matched with the size of the motor rotor 4, and the cylindrical cavity 8 can be used to mount the motor rotor 4.

[0031] Referring to Figure 3 And Figure 4 The silicon steel sheets 10 are provided in multiple groups and are uniformly distributed in a surrounding manner on the inner side wall of the epoxy resin layer 9, each group of the silicon steel sheets 10 is formed by stacking multiple layers of the silicon steel sheets 10, and the silicon steel sheets 10 distributed in a surrounding manner can increase the heat dissipation effect.

[0032] Referring to Figure 2 And Figure 4 The diameter of the threading port 11 is greater than the diameter of the wire 6, and the threading port 11 can be used to facilitate the wire 6 to pass through.

[0033] In use: first, the threaded rods 5 are respectively threaded through the upper cover 2 and the lower cover 3 and are threadedly connected with the motor housing 1, in use of the force moment motor, the motor rotor 4 rotates, at this time, the silicon steel sheets 10 are uniformly distributed in a surrounding manner on the inner side wall of the epoxy resin layer 9, the high-temperature-resistant and high-heat-conducting epoxy resin is used to wrap the stator, the heat originally transmitted through the air is transmitted to the motor housing 1 through the epoxy resin, the traditional mode of only relying on the silicon sheet to contact the shell and the air heat dissipation is replaced, the overall heat dissipation efficiency is high, and use is facilitated.

[0034] Finally, it should be noted that: in the description of the utility model, it should be noted that the terms "vertical", "upper", "lower", "horizontal" and the like indicate the orientation or positional relationship shown in the drawings, and are only used for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model.

[0035] In the description of the utility model, still need to explain, unless another explicit provision and limitation, term " set ", " install ", " link ", " connect " should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be two elements inside the communication。For ordinary skilled person in the art, the above-mentioned terms can be understood according to the specific meaning of the utility model.

[0036] The above is only the preferred specific embodiment of the utility model;But the protection scope of the utility model is not limited to this. Any skilled person in the art within the technical range disclosed by the utility model, according to the technical scheme of the utility model and its improvement concept, equivalent replacement or change, should be covered in the protection scope of the utility model.

Claims

1. A torque motor with an efficient heat dissipation structure, comprising a motor housing (1), wherein an upper cover (2) and a lower cover (3) are respectively installed on the upper and lower parts of the motor housing (1), and an epoxy resin layer (9) is installed inside the motor housing (1), characterized in that: A cylindrical cavity (8) is provided on the inner side of the epoxy resin layer (9), a motor rotor (4) is installed on the inner side of the cylindrical cavity (8), a movable shaft (7) is provided on the top of the motor rotor (4), a threaded rod (5) is respectively threadedly connected to the upper side of the upper cover (2) and the lower side of the lower cover (3), a wire (6) is provided at the lower right corner of the motor housing (1), a silicon steel sheet (10) is installed on the inner side wall of the epoxy resin layer (9), a threading port (11) is fixedly connected to the inner side of the motor housing (1) and the lower cover (3), and a sealing ring (12) is respectively provided on the bottom of the upper cover (2) and the upper part of the lower cover (3).

2. The torque motor with a high-efficiency heat dissipation structure according to claim 1, characterized in that: Two sets of symmetrical thread grooves (101) are respectively provided on both sides of the interior of the motor housing (1).

3. The torque motor with a high-efficiency heat dissipation structure according to claim 1, characterized in that: The inner side of the upper cover (2) is provided with a second thread groove (21), the inner side of the lower cover (3) is provided with a third thread groove (31), and the threaded rod (5) is threadedly connected to the second thread groove (21) and the third thread groove (31) respectively.

4. The torque motor with a high-efficiency heat dissipation structure according to claim 1, characterized in that: The threaded rods (5) are provided in two groups, with each group consisting of two threaded rods (5).

5. The torque motor with a high-efficiency heat dissipation structure according to claim 1, characterized in that: The size of the cylindrical cavity (8) is adapted to the size of the motor rotor (4).

6. The torque motor with a high-efficiency heat dissipation structure according to claim 1, characterized in that: The silicon steel sheets (10) are provided in a plurality of groups and are evenly distributed on the inner side wall of the epoxy resin layer (9) in a surrounding shape. Each group of silicon steel sheets (10) is formed by stacking multiple layers of silicon steel sheets (10).

7. The torque motor with a high-efficiency heat dissipation structure according to claim 1, characterized in that: The diameter of the threading opening (11) is larger than the diameter of the wire (6).

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