CN223389203U - A resolver transmitter - Google Patents

Abstract

A rotary transmitter comprises a shell with an assembly cavity, a shell arranged in the shell, a rotating shaft arranged in the shell, a stator winding and a rotor winding sleeved on the rotating shaft, a tail cover sleeved at one end of the shell and a sealing ring arranged between the tail cover and the shell, wherein a slot for clamping the sealing ring is formed in one side of the shell, a grease coating is arranged on the sealing ring, an opening for the rotating shaft to pass through is formed in one end of the shell, and one end of the rotating shaft penetrates through the shell through the opening.

Description

Rotary transformer transmitter

Technical Field

The utility model relates to the technical field of industrial equipment, in particular to a rotary transformer transmitter.

Background

In the prior art, a rotary transformer transmitter is generally composed of an end cover, a protective shell, a stator winding, a rotor winding and other structures. In the traditional structural design, due to the use of a large number of fasteners and the connection mode among all components, the traditional rotary transformer transmitter has certain defects in the aspect of tightness, and impurities such as moisture, dust and the like in the external environment are easy to enter the machine, so that the operation of the machine is adversely affected, the invasion of moisture cannot be effectively prevented, and the performance of the machine is reduced or fails when the machine operates in a humid environment.

Therefore, there is a need to provide a new solution to overcome the above-mentioned drawbacks.

Disclosure of utility model

The utility model aims to provide a rotary transmitter which can effectively solve the technical problems.

In order to achieve the purpose of the utility model, the following technical scheme is adopted:

A rotary change transmitter is characterized by comprising a shell with an assembly cavity, a shell arranged in the shell, a rotating shaft arranged in the shell, a stator winding and a rotor winding sleeved on the rotating shaft, a tail cover sleeved at one end of the shell and a sealing ring arranged between the tail cover and the shell, wherein a slot for clamping the sealing ring is formed in one side of the shell, a grease coating is arranged on the sealing ring, an opening for the rotating shaft to pass through is formed in one end of the shell, and one end of the rotating shaft penetrates through the shell through the opening.

Furthermore, one end of the assembly cavity is provided with a groove, and a main bearing sleeved on the rotating shaft is arranged in the groove.

Further, one end of the groove is provided with a sub-groove with a sealing ring, the sub-groove is communicated with the opening, and the sealing ring is made of rubber.

Further, the groove, the subslot and the open hole are all positioned on the same axis.

Further, the sealing ring is provided with a grease coating.

Further, one end of the shell is clamped with a rear cover.

Further, the rear cover is provided with a mounting groove with an auxiliary bearing, one end of the rear cover is provided with an opening, and the opening is communicated with the mounting groove.

Further, a decoder is arranged between the tail cover and the rear cover.

Furthermore, a connecting port for correspondingly plugging with the rotating shaft is arranged at the center of the decoder.

Further, the sealing ring is made of rubber.

Compared with the prior art, the rotary-change transmitter has the advantages that the sealing performance of the rotary-change transmitter can be enhanced by arranging the sealing ring and the sealing ring, and liquid and foreign matters are prevented from entering the inside of the rotary-change transmitter.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

Fig. 1 is a perspective view of the present utility model.

Fig. 2 is an exploded view of the present utility model.

Fig. 3 is a cross-sectional view of the present utility model.

Fig. 4 is a perspective view of the housing of the present utility model.

Fig. 5 is a cross-sectional view of the housing of the present utility model.

Fig. 6 is a left side view of the housing of the present utility model.

Fig. 7 is a right side view of the housing of the present utility model.

In the figure, 1, a shell, 2, an opening, 3, a shell, 4, a rotating shaft, 5, a stator winding, 6, a rotor winding, 7, a tail cover, 8, a sealing ring, 9, a sealing ring, 10, a slot, 11, an assembly cavity, 12, a rear cover, 13, a mounting slot, 14, a secondary bearing, 15, an opening, 31, a groove, 32, a main bearing, 33, a secondary slot, 71, a decoder, 72 and a connecting port are arranged.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the following description will be made in detail with reference to the technical solutions in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments.

In the description of the present utility model, it should be understood that the terms "center," "lateral," "longitudinal," "front," "rear," "left," "right," "upper," "lower," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present utility model. When an element is referred to as being "fixed" to another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

As shown in fig. 1 to 7, a rotary transformer transmitter comprises a housing 1 with an assembly cavity 11, a casing 3 arranged in the housing 1, a rotating shaft 4 arranged in the casing 3, a stator winding 5 and a rotor winding 6 sleeved on the rotating shaft 4, a tail cover 7 sleeved on one end of the housing 1 and a sealing ring 9 arranged between the tail cover 7 and the housing 1, wherein a slot 10 for clamping the sealing ring 9 is arranged on one side of the housing 1, a grease coating is arranged on the sealing ring 9, an opening 2 for the rotating shaft 4 to pass through is arranged on one end of the housing 1, and one end of the rotating shaft 4 penetrates through the housing 1 through the opening 2 and extends to the outside of the housing 1. Notably, the sealing ring 9 is made of rubber, and the sealing between the tail cover 7 and the shell 1 can be enhanced by arranging the rubber supporting sealing ring 9 between the shell 1 and the tail cover 7, and the air tightness between the shell 1 and the tail cover 7 is further enhanced by arranging the grease coating, so that foreign matters or fluid can be effectively prevented from entering in the embodiment, and the using effect of the embodiment is improved.

The assembly cavity 11 is provided with a groove 31 at one end, a main bearing 32 sleeved on the rotating shaft 4 is arranged in the groove 31, a sub groove 33 is arranged at one end of the groove 31, a sealing ring 8 sleeved on the rotating shaft 4 is arranged in the sub groove 33, the groove 31, the sub groove 33 and the open hole 2 are all positioned on the same axis, the groove 31 is arranged at one end of the shell 1 close to the open hole 2, a grease coating is arranged on the surface of the sealing ring 8, and the grease coating is arranged to enhance the tightness of the shell 1 and prevent external foreign matters from entering the shell 1 through the open hole 2, and the friction between the rotating shaft 4 and the sealing ring 8 can be effectively reduced by coating the grease coating, so that the implementation effect of the embodiment is improved.

Further, one end of the housing 1 is clamped with a rear cover 12, the rear cover 12 is used for closing the assembly cavity 11, the tightness of the embodiment is further enhanced by arranging the rear cover 12, and it is noted that an installation groove 13 with a secondary bearing 14 is arranged on the rear cover 12, an opening 15 penetrating through the rear cover 12 is arranged at one end of the installation groove 13, one end of the rotating shaft 4 penetrates through the rear cover 12 through the opening 15, and the secondary bearing 14 is sleeved at one end of the rotating shaft 4.

Further, a decoder 71 is arranged between the tail cover 7 and the rear cover 12, a connecting port 72 for correspondingly plugging with the rotating shaft 4 is arranged at the center axis of the decoder 71, and one end of the rotating shaft 4 penetrates through the rear cover 12 and then is plugged with the decoder 71 through the connecting port 72.

The working principle is that through setting up sealing ring 9 between tail cover 7 and shell 1 to smear grease on sealing ring 9, strengthen the connection structure between tail cover 7 and shell 1, strengthen the gas tightness between tail cover 7 and the shell 1, and through setting up the sealing washer 8 that has the grease coating at the subslot, on the one hand strengthen the seal of shell 1, prevent outside foreign matter from entering into shell 1 through trompil 2, on the other hand, through smearing the grease coating for when the rotary transformer transmitter rotates, pivot 4 and grease coating butt can effectively reduce the frictional force between pivot 4 and the sealing washer 8, improve the implementation effect of this embodiment.

Standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional modes in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that details are not described in detail in the specification, and the utility model belongs to the prior art known to the person skilled in the art.

It will be understood that modifications and variations will be apparent to those skilled in the art from the foregoing description, and it is intended that all such modifications and variations be included within the scope of the following claims.

Claims (10)

1. A rotary change transmitter is characterized by comprising a shell (1) with an assembly cavity (11), a shell (3) arranged in the shell (1), a rotating shaft (4) arranged in the shell (3), a stator winding (5) and a rotor winding (6) sleeved on the rotating shaft (4), a tail cover (7) sleeved on one end of the shell (1) and a sealing ring (9) arranged between the tail cover (7) and the shell (1), wherein a slot (10) for clamping the sealing ring (9) is formed in one side of the shell (1), a grease coating is arranged on the sealing ring (9), an opening (2) for the rotating shaft (4) to penetrate is formed in one end of the shell (1), and one end of the rotating shaft (4) penetrates through the shell (1) through the opening (2).

2. A rotary transformer transmitter as claimed in claim 1, characterized in that one end of the assembly chamber (11) is provided with a recess (31), and a main bearing (32) for being sleeved on the rotating shaft (4) is arranged in the recess (31).

3. A rotary transformer transmitter as claimed in claim 2, characterized in that one end of the recess (31) is provided with a subslot (33) with a sealing ring (8), the subslot (33) is communicated with the opening (2), and the sealing ring (8) is made of rubber.

4. A rotary transformer transmitter according to claim 3, characterized in that the recess (31), the subslot (33) and the opening (2) are all located on the same axis.

5. A rotary transformer transmitter according to claim 4, characterized in that the sealing ring (8) is provided with a grease coating.

6. A rotary transformer transmitter according to claim 5, wherein one end of the housing (1) is clamped with a rear cover (12).

7. A rotary transformer transmitter as set forth in claim 6, characterized in that the rear cover (12) is provided with a mounting groove (13) with a secondary bearing (14), one end of the rear cover (12) is provided with an opening (15), and the opening (15) is communicated with the mounting groove (13).

8. A rotary transformer transmitter according to claim 7, characterized in that a decoder (71) is arranged between the tail cover (7) and the rear cover (12).

9. A rotary transformer transmitter according to claim 8, characterized in that the decoder (71) is provided with a connecting port (72) at the center for corresponding connection with the rotary shaft (4).

10. A rotary transformer transmitter according to claim 1, characterized in that the sealing ring (9) is made of rubber.