CN221177421U - Totally enclosed electric steering engine of output quick change formula seal structure - Google Patents
Totally enclosed electric steering engine of output quick change formula seal structure Download PDFInfo
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- CN221177421U CN221177421U CN202322709340.9U CN202322709340U CN221177421U CN 221177421 U CN221177421 U CN 221177421U CN 202322709340 U CN202322709340 U CN 202322709340U CN 221177421 U CN221177421 U CN 221177421U
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- 238000007789 sealing Methods 0.000 claims abstract description 269
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 202
- 210000004907 gland Anatomy 0.000 claims abstract description 47
- 230000009467 reduction Effects 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 12
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- 238000002955 isolation Methods 0.000 description 7
- 238000013461 design Methods 0.000 description 6
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Abstract
The fully-sealed electric steering engine with the output end quick-change type sealing structure is provided, and the fully-sealed electric steering engine is provided with a motor assembly mounting end face sealing structure; the potentiometer assembly is provided with a potentiometer assembly mounting end face sealing structure; the speed reducer wave generator component and the speed reducer output shaft component are rotatably supported and installed in the speed reducer shell and the speed reducer end cover shell through bearings; the joint surface of the speed reducer shell and the speed reducer end cover is provided with a sealing structure of the joint surface of the speed reducer shell and the speed reducer end cover; the shaft end sealing structure of the output shaft assembly of the speed reducer is further provided, and the output shaft sealing ring is replaced by disassembling the sealing gland at the output end of the speed reducer. The output shaft sealing ring is convenient and simple to replace, the precision of the steering engine is not affected, the steering engine is fully sealed by adopting four sealing structures, the tightness of the product is ensured, the sealing device is suitable for various complex environments, the influence of the environment on the internal parts of the product is reduced, and the sealing device is suitable for popularization.
Description
Technical Field
The utility model belongs to the technical field of mechanical engineering transmission devices, and particularly relates to a fully-sealed electric steering engine with an output end quick-change sealing structure.
Background
At present, along with the rapid development of space science and aerospace technology, the application range of the electric steering engine is wider and wider. Along with the use environment becoming more and more complex, in order to guarantee the environmental suitability of product, it is required that the product itself has certain seal structure to reduce the influence of external environmental stress to the internal parts of product and cause the product to become invalid.
Therefore, electric steering engines with sealing structures are increasingly used in aerospace products. Existing sealing structures are typically provided at various connection locations of the product; meanwhile, for the special field, due to double safety consideration, the product is required to have maintainability, namely, the damaged sealing ring can be quickly replaced.
In the prior art, when designing shaft end sealing structures, a sealing structure of a radial or axial sealing groove (GB/T3452.3-2005) of a pneumatic O-shaped ring is generally adopted, and see fig. 1 and 2. However, after the traditional sealing structure is installed, if the sealing ring needs to be maintained and replaced, the traditional sealing structure is extremely inconvenient: the product shell is generally required to be integrally disassembled, and the sealing ring can be replaced after the output shaft is disassembled from the end cover part, so that on one hand, the replacement on site is inconvenient; on the other hand, the product precision can be invalid after the part of electric steering engine is disassembled, so that the disassembly and the independent replacement of the sealing ring are not allowed. In this regard, the following technical solutions are now proposed.
Disclosure of utility model
The utility model solves the technical problems that: the utility model provides a totally enclosed electric steering engine of output quick change formula seal structure, solves the inconvenient on-the-spot quick replacement of electric steering engine output shaft sealing washer, influences the problem of product precision.
The utility model adopts the technical scheme that: the utility model provides a totally enclosed electric steering engine of output quick change formula seal structure, has motor element, potentiometer subassembly, reduction gear wave generator subassembly and reduction gear output shaft subassembly, and motor element fastening type installs the lower terminal surface in reduction gear casing and reduction gear end cover hookup location to have motor element installation terminal surface seal structure; the potentiometer assembly is fixedly arranged on the rear end face of the speed reducer shell and is provided with an end face sealing structure for mounting the potentiometer assembly; the speed reducer wave generator component and the speed reducer output shaft component are rotatably supported and installed in the speed reducer shell and the speed reducer end cover shell through bearings; the joint surface of the speed reducer shell and the speed reducer end cover is provided with a sealing structure of the joint surface of the speed reducer shell and the speed reducer end cover; the output shaft of the speed reducer output shaft assembly extends out of the inner hole of the speed reducer end cover, and a shaft end sealing structure of the speed reducer output shaft assembly is arranged in the inner hole of the speed reducer end cover; the shaft end sealing structure of the output shaft assembly of the speed reducer realizes the replacement of an output shaft sealing ring in the shaft end sealing structure of the output shaft assembly of the speed reducer by disassembling a sealing gland at the output end of the speed reducer, which is fixedly arranged in an inner hole of an end cover of the speed reducer.
In the above technical solution, further: the motor assembly mounting end face sealing structure is provided with a motor sealing piece; the motor sealing piece is arranged in a motor sealing piece mounting groove formed in the lower end face of the end cover of the speed reducer.
In the above technical solution, further: a motor component mounting groove matched with the motor component is integrally formed in the middle of the lower end surface of the speed reducer shell; and a shell and end cover connecting surface sealing piece in a structure of sealing the connecting surface of the speed reducer shell and the speed reducer end cover is arranged on the outer side of the motor component mounting groove.
In the above technical solution, further: the sealing structure of the connecting surface of the speed reducer shell and the speed reducer end cover consists of a sealing piece of the connecting surface of the shell and the end cover and a sealing groove of the connecting surface of the shell and the end cover; the sealing piece of the connecting surface of the shell and the end cover is arranged in the sealing groove of the connecting surface of the shell and the end cover; the sealing groove of the connecting surface of the shell and the end cover is formed on the outer cylindrical surface of the front end of the speed reducer shell.
In the above technical solution, further: the potentiometer assembly mounting end face sealing structure is provided with a potentiometer assembly sealing ring; the rear end face of the speed reducer shell is provided with a potentiometer assembly mounting groove; positioning and mounting a potentiometer assembly in the potentiometer assembly mounting groove; the bottom of the potentiometer assembly mounting groove body is provided with a potentiometer assembly sealing ring mounting groove; the potentiometer assembly sealing ring is arranged in the potentiometer assembly sealing ring mounting groove; the potentiometer assembly sealing ring mounting groove and the potentiometer assembly sealing ring form a potentiometer assembly mounting end face sealing structure.
In the above technical solution, further: the outer cylindrical surface of the front end of the speed reducer shell is provided with a positioning boss; the rear end face of the end cover of the speed reducer is provided with a positioning boss inner hole; the positioning boss is matched with the positioning boss inner hole in a positioning way, a shell and end cover connecting surface sealing piece is arranged between the joint surfaces, and the joint surfaces and the shell and end cover connecting surface sealing piece form a speed reducer shell and speed reducer end cover connecting surface sealing structure.
In the above technical solution, further: the shaft end sealing structure of the output shaft assembly of the speed reducer is provided with an output shaft sealing ring; the end cover of the speed reducer is provided with an inner hole of an output shaft of the end cover of the speed reducer; an output shaft sealing ring mounting groove is formed in an inner hole of an output shaft of the end cover of the speed reducer; an output shaft sealing ring is arranged in the output shaft sealing ring mounting groove; the front end face of the end cover of the speed reducer is provided with a sealing gland mounting groove; the sealing gland mounting groove is tightly and adaptively provided with a sealing gland at the output end of the speed reducer; the output end of the speed reducer is provided with an inner hole of an output shaft of the sealing gland in a sealing gland way, and an output shaft of the output shaft assembly of the speed reducer extends out of the inner hole of the output shaft of the sealing gland; removing a sealing gland at the output end of the speed reducer to realize the replacement of the sealing ring of the output shaft; and the output end sealing gland of the speed reducer, the output shaft sealing ring mounting groove and the fastening component form a shaft end sealing structure of the output shaft component of the speed reducer.
Compared with the prior art, the utility model has the advantages that:
1. According to the utility model, the output shaft sealing ring can be exposed and replaced only by removing the sealing gland at the output end of the speed reducer, so that the replacement of the sealing ring can be realized without disassembling the output shaft of a product, the replacement of the output shaft sealing ring is faster and more convenient, and the accuracy of a steering engine is not influenced.
2. The steering engine adopts four sealing structures to realize full sealing, the internal and external structures of the steering engine are isolated through the sealing structures, the tightness between the internal and external environments of the steering engine is ensured, the steering engine can adapt to various complex use environments, and the influence of the environments on the internal parts of the steering engine is reduced.
3. The utility model has simple structure components, compact and simple structure design and scientific and reasonable sealing, and the output shaft sealing ring is fixed on the end cover of the speed reducer through the sealing gland at the output end of the speed reducer, so that the output end is coaxially output, and the precision performance of the product is not affected; the manufacturing cost is effectively controlled, the operation is simple and quick, and the maintenance is convenient; compared with the original method for disassembling the shell and the end cover, the method is not restricted by conditions such as a product structure and the like, can realize on-site replacement and maintenance, does not need to be disassembled in a factory, and reduces the maintenance cost of the product from the design angle.
4. The utility model is suitable for the transmission mechanism which needs sealing, can also be used for sealing design of other similar products of machinery, has obvious using method and effect, has high maintenance requirement, needs to replace a sealing ring in time, and is particularly suitable for products which cannot be disassembled after being installed.
Drawings
Fig. 1 is a schematic diagram of an axial sealing structure of an output end of an electric steering engine in the prior art;
Fig. 2 is a schematic diagram of a radial sealing structure of an electric steering engine in the prior art;
Fig. 3 is a schematic diagram of a fully sealed structure of the electric steering engine of the utility model;
Fig. 4 is a split schematic diagram of a quick-change sealing structure of an output end of the electric steering engine;
Fig. 5 is a schematic diagram of a motor assembly in the electric steering engine of the present utility model;
FIG. 6 is a schematic diagram of the potentiometer assembly in the electric steering engine of the utility model;
Fig. 7 is a schematic diagram of a structure of a reducer housing in the electric steering engine of the utility model;
fig. 8 is a schematic diagram of the end cover structure of the speed reducer in the electric steering engine;
FIG. 9 is a schematic diagram of the structure of the output shaft assembly of the speed reducer in the electric steering engine;
fig. 10 is a schematic diagram of a seal gland structure at the output end of a speed reducer in the electric steering engine;
FIG. 11 is a schematic diagram of the structure of a wave generator assembly of a speed reducer in an electric steering engine;
FIG. 12 is a schematic diagram of the structure of an output shaft seal ring in the electric steering engine;
In the figure: the device comprises a 1-motor component, a 2-potentiometer component, a 3-speed reducer shell, a 4-speed reducer end cover, a 5-speed reducer output shaft component, a 6-speed reducer output end sealing gland, a 7-speed reducer wave generator component, an 8-output shaft sealing ring, a 9-motor sealing piece, a 10-potentiometer component sealing ring and a 11-shell and end cover connecting surface sealing piece; 301-a motor assembly mounting groove, 302-a sealing groove of a connecting surface of a shell and an end cover, 303-a potentiometer assembly mounting groove, 304-a potentiometer assembly sealing ring mounting groove and 305-a positioning boss; 401-a motor sealing element mounting groove, 402-a positioning boss inner hole, 403-a reducer end cover output shaft inner hole, 404-an output shaft sealing ring mounting groove and 405-a sealing gland mounting groove; 601-sealing the inner hole of the gland output shaft.
Detailed Description
The technical solutions according to the embodiments of the present utility model will be clearly and completely described below with reference to fig. 3 to 12 in the embodiments of the present utility model, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The fully-sealed electric steering engine with the output end quick-change type sealing structure is provided with a motor assembly 1, a potentiometer assembly 2, a speed reducer wave generator assembly 7 and a speed reducer output shaft assembly 5, wherein the speed reducer wave generator assembly 7 is shown in fig. 3 and 4. The above components are main transmission structures of the electric steering engine, and the connection transmission mode of the above components is shown in fig. 3, and will not be repeated.
The improvement of the utility model is that: the motor component 1 is fixedly arranged on the lower end face of the connection position of the speed reducer shell 3 and the speed reducer end cover 4, and is provided with a motor component mounting end face sealing structure. The motor assembly mounting end face sealing structure is used for realizing sealing isolation between the motor assembly 1 and the external environment.
Specifically: the motor assembly 1 is correspondingly arranged on the lower end face of the connection position of the speed reducer shell 3 and the speed reducer end cover 4 by adopting four M3 screws.
On the basis of the method, the device comprises the following steps: the potentiometer assembly 2 is fixedly arranged on the rear end face of the speed reducer shell 3 and is provided with a potentiometer assembly mounting end face sealing structure. The potentiometer assembly mounting end face sealing structure realizes sealing isolation between the potentiometer assembly and the external environment.
Specifically, the potentiometer assembly 2 is correspondingly installed on the rear end face of the speed reducer shell 3 through three M2 screws.
On the basis of the method, the device comprises the following steps: the speed reducer wave generator assembly 7 and the speed reducer output shaft assembly 5 are rotatably supported and installed in the speed reducer shell 3 and the speed reducer end cover 4 through bearings. The joint surface of the speed reducer shell 3 and the speed reducer end cover 4 is provided with a sealing structure of the joint surface of the speed reducer shell and the speed reducer end cover. The sealing structure of the connecting surface of the speed reducer shell and the speed reducer end cover enables a sealing structure to be formed between the speed reducer shell easy to enter ash and the connecting gap of the speed reducer end cover, so that the speed reducer shell 3 and the speed reducer end cover 4 are internally provided with the speed reducer wave generator component 7 and the speed reducer output shaft component 5, which are isolated from the external environment, and damage is avoided.
Specifically, the reducer casing 3 and the reducer end cover 4 are fastened and connected into a whole through four M3 screws, a casing and end cover connecting surface seal groove 302, which is described later, is formed on the joint surface of the reducer casing 3 and the reducer end cover 4, and a casing and end cover connecting surface seal member 11, which is described later, is incorporated in the seal groove to realize the seal between the casing and the end cover connecting surface.
On the basis of the method, the device comprises the following steps: the output shaft of the speed reducer output shaft assembly 5 extends out of the inner hole of the speed reducer end cover 4, and a speed reducer output shaft assembly shaft end sealing structure is arranged in the inner hole of the speed reducer end cover 4. The shaft end sealing structure of the speed reducer output shaft assembly is used for sealing and isolating the output shaft of the speed reducer output shaft assembly 5 and a bearing piece related to the output shaft from the external environment, and avoiding damage to related parts of the shell.
It can be seen that the present utility model has four sealing structures: the sealing structure of the mounting end face of the motor assembly realizes the sealing isolation of the motor assembly 1 and the external environment. The potentiometer assembly 2 is provided with an end face sealing structure to realize the sealing isolation between the potentiometer assembly 2 and the external environment. The sealing structure of the connecting surface of the reducer shell and the reducer end cover enables the built-in reducer wave generator assembly 7 of the shell and the reducer output shaft assembly 5 to be isolated from the external environment. The shaft end sealing structure of the speed reducer output shaft assembly realizes the sealing isolation of the bearing piece of the output shaft of the speed reducer output shaft assembly 5 from the external environment. Adopt four seal structure to realize the full seal of steering wheel, keep apart the inside and the outer structure of product through seal structure, ensure the leakproofness between inside and the external environment of product, can realize adapting to multiple complicated service environment, reduce the influence of environment to the inside part of product.
On the basis of four sealing structures, the utility model has the following other core improvements: the shaft end sealing structure of the speed reducer output shaft assembly (shown in fig. 4) realizes the replacement of an output shaft sealing ring 8 in the shaft end sealing structure of the speed reducer output shaft assembly by detaching a speed reducer output end sealing gland 6 which is fixedly arranged in an inner hole of a speed reducer end cover 4.
Specifically, a screw mounting counter bore is formed in the sealing gland 6 at the output end of the speed reducer; the reducer output end sealing gland 6 is mounted on the end face of the reducer end cover 4 by using four M2 screws. The shaft end of the output shaft assembly 5 of the speed reducer extends out of the central inner hole of the sealing gland 6 of the output end of the speed reducer to perform rotary motion, the sealing gland 6 of the output end of the speed reducer and the end face of the end cover 4 of the speed reducer form a shaft end sealing groove, and the sealing ring 8 of the output shaft is installed at the shaft end sealing groove to realize axial sealing. The reducer output end sealing gland 6 is fastened, positioned and installed on the end face of the reducer end cover 4 through four M2 screws, so that the quick assembly and disassembly of the reducer output end sealing gland 6 can be realized, and after the reducer output end sealing gland 6 is disassembled, the whole other installation structures and the internal structures of the steering engine can not be changed. At this time, only change output shaft sealing washer 8, accomplish output shaft sealing washer 8 and change the back, only need advance the fastening again with 4M 2 screws, reduction gear output seal gland 6 resets, just can resume the product original state, realizes output quick change formula seal structure.
Therefore, the output shaft sealing cover 6 of the speed reducer output end can be removed to expose the output shaft sealing ring 8 and replace the sealing ring, so that the replacement of the sealing ring of the shaft end of the output shaft can be realized without disassembling the output shaft of the product, the replacement of the sealing ring of the output shaft is faster and more convenient, and the accuracy of a steering engine is not influenced.
In the above embodiments (shown in connection with fig. 3 and 8), further: the motor assembly mounting end face sealing structure is provided with a motor sealing piece 9; the motor sealing member 9 is arranged in a motor sealing member mounting groove 401 formed on the lower end face of the end cover 4 of the speed reducer. Preferably, the motor sealing member 9 is a sealing ring, so as to realize end face sealing.
(In connection with fig. 3 and 7), in the above embodiment, further: a motor component mounting groove 301 matched with the motor component 1 is integrally formed in the middle of the lower end surface of the speed reducer shell 3; the motor assembly mounting groove 301 is used for quick positioning and mounting of the motor assembly 1. And by combining the end face sealing structure, reliable sealing and positioning installation of the motor assembly 1 are realized.
The outer side of the motor component mounting groove 301 is provided with a shell and end cover connecting surface sealing piece 11 in a structure of a speed reducer shell and speed reducer end cover connecting surface sealing. Preferably, the sealing element 11 of the connecting surface between the shell and the end cover is a sealing ring. The shell and end cover connecting surface sealing piece 11 belongs to a speed reducer shell and speed reducer end cover connecting surface sealing structure.
In the above embodiments (as shown in fig. 3 and 7), further: the speed reducer shell and speed reducer end cover connecting surface sealing structure consists of a shell and end cover connecting surface sealing piece 11 and a shell and end cover connecting surface sealing groove 302; the shell and end cover connecting surface sealing element 11 is arranged in the shell and end cover connecting surface sealing groove 302; the seal groove 302 of the connecting surface of the shell and the end cover is formed on the outer cylindrical surface of the front end of the speed reducer shell 3.
In the above embodiments (as shown in fig. 7 and 3), further: the potentiometer assembly mounting end face sealing structure is provided with a potentiometer assembly sealing ring 10. The rear end face of the speed reducer shell 3 is provided with a potentiometer assembly mounting groove 303; the potentiometer assembly mounting groove 303 is used for positioning and mounting the potentiometer assembly 2, positioning and mounting of the potentiometer assembly are achieved through the potentiometer assembly mounting groove 303, and positioning and mounting of the potentiometer assembly 2 are simple and convenient.
Not only is it: the bottom of the potentiometer assembly mounting groove 303 is provided with a potentiometer assembly sealing ring mounting groove 304; the potentiometer assembly sealing ring 10 is arranged in the potentiometer assembly sealing ring mounting groove 304; the potentiometer assembly sealing ring mounting groove 304 and the potentiometer assembly sealing ring 10 form the potentiometer assembly mounting end face sealing structure, so that the end face sealing of the potentiometer assembly mounting end face is realized, and the sealing positioning mounting of the potentiometer assembly 2 is realized in an end face sealing mode.
To seal the connection surface between the reducer casing 3 and the reducer end cap 4 (as shown in fig. 3, 7, 8): in the above embodiment, further: the outer cylindrical surface of the front end of the speed reducer shell 3 is provided with a positioning boss 305; the rear end face of the reducer end cover 4 is provided with a positioning boss inner hole 402; the positioning boss 305 is suitably matched with the positioning boss inner hole 402 in a positioning way, a shell and end cover connecting surface sealing element 11 is arranged between the joint surfaces, and the joint connecting surface and the shell and end cover connecting surface sealing element 11 form a sealing structure of the connecting surface of the speed reducer shell and the speed reducer end cover. Namely, a labyrinth seal assembly structure is arranged on the connecting surface, so that the sealing and isolation effect of the inner part of the shell formed by the connecting surface of the speed reducer shell 3 and the speed reducer end cover 4 is improved.
On the basis, in order to realize the quick function of the steering engine output shaft sealing ring: in the above embodiments (as shown in fig. 8 and 10), further: the shaft end sealing structure of the speed reducer output shaft assembly is provided with an output shaft sealing ring 8. The reducer end cover 4 is provided with a reducer end cover output shaft inner hole 403; the reducer end cap output shaft bore 403 is used for output shaft extension. An output shaft sealing ring mounting groove 404 is formed in the inner hole 403 of the output shaft of the end cover of the speed reducer; the output shaft sealing ring 8 is arranged in the output shaft sealing ring mounting groove 404; the output shaft sealing ring 8 is used for shaft end sealing of the output shaft. A sealing gland mounting groove 405 is formed in the front end face of the reducer end cover 4; the gland mounting groove 405 is used for fastening and adapting to install the reducer output gland 6 by using a fastener while the gland mounting groove 405 is used for rapidly positioning the reducer output gland 6. Furthermore, the reducer output end sealing gland 6 is provided with a sealing gland output shaft inner hole 601, and the sealing gland output shaft inner hole 601 is used for extending an output shaft, namely, the output shaft of the reducer output shaft assembly 5 extends out of the sealing gland output shaft inner hole 601. And the output end sealing gland 6 of the speed reducer is removed to expose and quickly and conveniently replace the output shaft sealing ring 8. And the output end sealing gland 6, the output shaft sealing ring 8, the output shaft sealing ring mounting groove 404 and the fastening screw of the speed reducer form the shaft end sealing structure of the output shaft assembly of the speed reducer.
The working principle of the utility model is as follows: the utility model passes through four sealing structures: the motor component mounting end face sealing structure, the potentiometer component mounting end face sealing structure, the connecting face sealing structure of the speed reducer shell and the speed reducer end cover and the shaft end sealing structure of the speed reducer output shaft component realize the sealing isolation of the motor component 1, the potentiometer component 2, the speed reducer wave generator component 7 and the speed reducer output shaft component 5 from the external environment. The steering engine is fully sealed and protected by adopting four sealing structures, so that the tightness between the inside and the outside environments of the steering engine is ensured, the steering engine is suitable for various complex use environments, and the influence of the environments on the internal parts of the steering engine is reduced. Furthermore, the utility model aims at the problem that the output shaft sealing ring 8 which is easy to fatigue needs to be replaced frequently, and the output shaft sealing ring 8 can be exposed only by removing the sealing gland 6 at the output end of the speed reducer, so that the output shaft sealing ring 8 can be directly detached for replacement, the most vulnerable sealing ring on the output shaft is replaced, maintenance and operation becomes simple and convenient, the whole machine is not disassembled, and the replacement of the sealing ring is realized under the condition that the performance of a product is not influenced, and the steering engine precision is not influenced.
From the above description it can be found that: the utility model has simple structure components, compact and simple structure design and scientific and reasonable sealing, the output shaft sealing ring is fixed on the end cover of the speed reducer through the sealing gland at the output end of the speed reducer, and the output end is coaxially output, so that the precision performance of the product is not affected when the output shaft sealing ring 8 is replaced; the structure is relatively simple, the manufacturing cost is relatively reduced, and the manufacturing cost can be effectively controlled; the maintenance and assembly operation is simple and convenient and quick, and the maintenance is convenient; compared with the original method for disassembling the shell and the end cover, the method is not limited by conditions such as a product structure, can realize on-site replacement and maintenance, and does not need to be disassembled in a factory; the product is ensured not to return to the factory again for detection within the service life, and the maintenance cost of the product is reduced from the design angle; the full-sealing structure can adapt to various complex use environments, and reduces the influence of the environments on the internal parts of the product.
The utility model is suitable for the transmission mechanism which needs sealing, can also be used for sealing design of other similar products of machinery, has obvious using method and effect, has high maintenance requirement, needs to replace a sealing ring in time, and is particularly suitable for products which cannot be disassembled after being installed.
In this specification, each embodiment is described in a related manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments.
The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the present utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model are included in the protection scope of the present utility model.
Claims (7)
1. The utility model provides a totally enclosed electric steering engine of output quick change seal structure, has motor element (1), potentiometer subassembly (2), reduction gear wave generator subassembly (7) and reduction gear output shaft subassembly (5), its characterized in that: the motor assembly (1) is fixedly arranged on the lower end face of the connection position of the speed reducer shell (3) and the speed reducer end cover (4), and is provided with a motor assembly mounting end face sealing structure; the potentiometer assembly (2) is fixedly arranged on the rear end face of the speed reducer shell (3) and is provided with a potentiometer assembly mounting end face sealing structure; the speed reducer wave generator component (7) and the speed reducer output shaft component (5) are rotatably supported and installed in the speed reducer shell (3) and the speed reducer end cover (4) through bearings; the joint surface of the speed reducer shell (3) and the speed reducer end cover (4) is provided with a sealing structure of the joint surface of the speed reducer shell and the speed reducer end cover; an output shaft of the speed reducer output shaft assembly (5) extends out of an inner hole of the speed reducer end cover (4), and a speed reducer output shaft assembly shaft end sealing structure is arranged in the inner hole of the speed reducer end cover (4); the shaft end sealing structure of the output shaft assembly of the speed reducer realizes the replacement of an output shaft sealing ring (8) in the shaft end sealing structure of the output shaft assembly of the speed reducer by disassembling a sealing gland (6) of the output end of the speed reducer, which is fixedly arranged in an inner hole of an end cover (4) of the speed reducer.
2. The fully-sealed electric steering engine with the output end quick-change type sealing structure according to claim 1, wherein the fully-sealed electric steering engine is characterized in that: the motor assembly mounting end face sealing structure is provided with a motor sealing piece (9); the motor sealing element (9) is arranged in a motor sealing element mounting groove (401) formed in the lower end face of the reducer end cover (4).
3. The fully-sealed electric steering engine with the output end quick-change type sealing structure according to claim 1, wherein the fully-sealed electric steering engine is characterized in that: a motor component mounting groove (301) matched with the motor component (1) is integrally formed in the middle of the lower end surface of the speed reducer shell (3); and a shell and end cover connecting surface sealing piece (11) in the structure of the connecting surface sealing of the speed reducer shell and the speed reducer end cover is arranged on the outer side of the motor assembly mounting groove (301).
4. A totally enclosed electric steering engine with a quick-change seal structure at the output end according to claim 1 or 3, characterized in that: the sealing structure of the connecting surface of the speed reducer shell and the speed reducer end cover consists of a sealing piece (11) of the connecting surface of the shell and the end cover and a sealing groove (302) of the connecting surface of the shell and the end cover; the shell and end cover connecting surface sealing piece (11) is arranged in the shell and end cover connecting surface sealing groove (302); the sealing groove (302) of the connecting surface of the shell and the end cover is formed on the outer cylindrical surface of the front end of the speed reducer shell (3).
5. The fully-sealed electric steering engine with the output end quick-change type sealing structure according to claim 1, wherein the fully-sealed electric steering engine is characterized in that: the potentiometer assembly mounting end face sealing structure is provided with a potentiometer assembly sealing ring (10); the rear end face of the speed reducer shell (3) is provided with a potentiometer assembly mounting groove (303); the potentiometer assembly mounting groove (303) is used for positioning and mounting the potentiometer assembly (2); a potentiometer assembly sealing ring mounting groove (304) is formed in the bottom of the potentiometer assembly mounting groove (303); the potentiometer assembly sealing ring (10) is arranged in the potentiometer assembly sealing ring mounting groove (304); the potentiometer assembly sealing ring mounting groove (304) and the potentiometer assembly sealing ring (10) form the potentiometer assembly mounting end face sealing structure.
6. The fully-sealed electric steering engine with the output end quick-change type sealing structure according to claim 1, wherein the fully-sealed electric steering engine is characterized in that: a positioning boss (305) is arranged on the outer cylindrical surface of the front end of the speed reducer shell (3); the rear end face of the reducer end cover (4) is provided with a positioning boss inner hole (402); the positioning boss (305) is matched with the positioning boss inner hole (402) in a positioning way, a shell and end cover connecting surface sealing piece (11) is arranged between the joint surfaces, and the joint surfaces and the shell and end cover connecting surface sealing piece (11) form a sealing structure of the speed reducer shell and the speed reducer end cover connecting surface.
7. The fully-sealed electric steering engine with the output end quick-change type sealing structure according to claim 1, wherein the fully-sealed electric steering engine is characterized in that: the shaft end sealing structure of the speed reducer output shaft assembly is provided with an output shaft sealing ring (8); the reducer end cover (4) is provided with an inner hole (403) of an output shaft of the reducer end cover; an output shaft sealing ring mounting groove (404) is formed in an inner hole (403) of the output shaft of the speed reducer end cover; the output shaft sealing ring mounting groove (404) is internally provided with the output shaft sealing ring (8); a sealing gland mounting groove (405) is formed in the front end face of the reducer end cover (4); the sealing gland mounting groove (405) is used for fastening and mounting a sealing gland (6) at the output end of the speed reducer in a matched manner; the output end sealing gland (6) of the speed reducer is provided with a sealing gland output shaft inner hole (601), and an output shaft of the output shaft assembly (5) of the speed reducer extends out of the sealing gland output shaft inner hole (601); removing the sealing gland (6) at the output end of the speed reducer to realize the replacement of the sealing ring (8) of the output shaft; and the reducer output end sealing gland (6), the output shaft sealing ring (8), the output shaft sealing ring mounting groove (404) and the fastening component form the reducer output shaft component shaft end sealing structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322709340.9U CN221177421U (en) | 2023-10-09 | 2023-10-09 | Totally enclosed electric steering engine of output quick change formula seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322709340.9U CN221177421U (en) | 2023-10-09 | 2023-10-09 | Totally enclosed electric steering engine of output quick change formula seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221177421U true CN221177421U (en) | 2024-06-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322709340.9U Active CN221177421U (en) | 2023-10-09 | 2023-10-09 | Totally enclosed electric steering engine of output quick change formula seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221177421U (en) |
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2023
- 2023-10-09 CN CN202322709340.9U patent/CN221177421U/en active Active
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