CN215662925U

CN215662925U - Single-support balance shaft structure

Info

Publication number: CN215662925U
Application number: CN202122022226.XU
Authority: CN
Inventors: 谢凯
Original assignee: Wuxi Xinyuan Electromechanical Precision Manufacturing Co ltd
Current assignee: Wuxi Xinyuan Electromechanical Precision Manufacturing Co ltd
Priority date: 2021-08-26
Filing date: 2021-08-26
Publication date: 2022-01-28
Anticipated expiration: 2031-08-26

Abstract

The utility model provides a single-support balance shaft structure which comprises a first bearing seat, a second bearing seat, a first assembly chassis and a second assembly chassis, wherein the first assembly chassis and the second assembly chassis are fixedly connected to the bottom positions of the first bearing seat and the second bearing seat, shaft grooves are formed in the middle positions inside the first bearing seat and the second bearing seat, mounting screws are embedded in the outer ends of the first bearing seat and the second bearing seat, and shaft bodies are embedded in the first bearing seat and the second bearing seat. Reach the effect of fixing a position the installation between the axis body and the bearing frame structure through the location base, strengthen the installation stability between axis body and the bearing frame structure through the spacing ring, strengthen the stability between axis body and the bearing frame through outer ring gear and interior ring gear, keep the focus when the axis body rotates simultaneously.

Description

Single-support balance shaft structure

Technical Field

The utility model relates to the technical field of engines, in particular to a single-support balance shaft structure.

Background

With the increasing requirements of terminal customers on the NVH performance of the engine, the whole vehicle has the requirements of specially improving noise reduction and shock absorption during engine design.

Currently, the engine industry has more applied balanced axle construction, however, current balanced axle construction uses biax bearing to support the balanced axle usually, and at first biax bearing structure is complicated, and the balanced axle of not being convenient for is installed on the engine organism and is arranged, considers engine organism volume and inner space simultaneously, can not carry out single structural support to the balanced axle.

Therefore, a new single-supported balance shaft structure is required.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that a balance shaft structure usually uses double bearing seats to support a balance shaft, firstly, the double bearing seats are complex in structure and inconvenient to install and arrange the balance shaft on an engine body, and meanwhile, the balance shaft cannot be supported in a single structure in consideration of the volume and the internal space of the engine body, so that the balance shaft structure with single support is provided.

In order to achieve the purpose, the utility model provides the following technical scheme: a single-support balance shaft structure comprises a first bearing seat and a second bearing seat, first equipment chassis and second equipment chassis, first equipment chassis and second equipment chassis fixed connection are in primary shaft bearing and secondary shaft bearing bottom position, the axial trough is seted up to the inside position placed in the middle of primary shaft bearing and secondary shaft bearing, the outer end of primary shaft bearing and secondary shaft bearing all imbeds and is provided with the installation screw rod, the inside embedding of primary shaft bearing and secondary shaft bearing is provided with the axis body, the outer gear has been cup jointed to the outer end of axis body, the top fixedly connected with location lid of primary shaft bearing and secondary shaft bearing, the lubrication groove has been seted up to the fixed surface of location lid, the inside of primary shaft bearing and secondary shaft bearing is fixed and is provided with location base and spacing ring, the positioning gear has been cup jointed on the axis body, spacing ring and the adjacent setting of location base, the outer end butt joint position of axis body and bearing frame structure is provided with outer ring gear and interior ring gear.

Further preferred scheme: the first assembly chassis and the second assembly chassis are movably clamped with the bottom of the first bearing seat and the bottom of the second bearing seat, and cushion pads are arranged at the butt joint positions of the first assembly chassis and the second assembly chassis with the bottom of the first bearing seat and the bottom of the second bearing seat.

Further preferred scheme: positioning grooves are formed in the first bearing seat and the second bearing seat relative to the positioning gears, and the positioning gears are correspondingly embedded into the positioning grooves in the bearing seat structures.

Further preferred scheme: the positioning bases are distributed at the inner outer end positions of the first bearing seat and the second bearing seat.

Further preferred scheme: the positioning base is located in a central position inside the first bearing seat and the second bearing seat.

Further preferred scheme: the whole setting of setting up of spacing ring is the opening setting for half ring gear, and the top is the opening setting, and outer ring gear and interior ring gear set up relatively, and the embedding sets up in the bearing frame.

Further preferred scheme: the first bearing seat and the second bearing seat are integrally arranged in a concave shape, and are in a unidirectional L shape with the bottom assembly underframe structure when the first bearing seat or the second bearing seat is independently installed.

The utility model provides a single-support balance shaft structure, which has the following beneficial effects:

according to the utility model, the effect of butt joint installation of the two groups of bearing seat structures is achieved through the first assembly underframe and the second assembly underframe, and meanwhile, the vibration of the shaft body is effectively reduced when the shaft body rotates, and the stability of the shaft body is improved.

The effect of carrying out location installation between axis body and the bearing frame structure is reached through the location base, through the installation stability between spacing ring reinforcing axis body and the bearing frame structure.

Through outer ring gear and interior ring gear reinforcing axis body and bearing frame between stability, keep the axis body focus when rotating simultaneously, through demountable installation's primary shaft bearing and secondary shaft bearing, can carry out single bearing frame or biax bearing frame according to in-service use and support the axis body, the practicality is strong, and whatever kind of bearing structure can all carry out balanced support to the axis body.

Drawings

FIG. 1 is a top view of the overall structure of the apparatus of the present invention.

FIG. 2 is a cross-sectional view showing the internal structure of the whole device of the present invention.

FIG. 3 is a cross-sectional view of the single bearing seat connecting structure of the device of the present invention.

In FIGS. 1-3: 1. a first bearing housing; 2. a first assembly chassis; 3. a second bearing housing; 4. a positioning cover; 5. a lubrication groove; 6. a shaft body; 7. an outer gear; 8. installing a screw rod; 9. positioning a base; 10. a limiting ring; 11. an outer ring gear; 12. an inner gear ring; 13. a second assembly chassis; 14. and positioning the gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 3 in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b):

please refer to fig. 1 to 3:

the embodiment provides a further preferred scheme of a single-support balance shaft structure, which comprises a first bearing seat 1, a second bearing seat 3, a first assembly chassis 2 and a second assembly chassis 13, wherein the first assembly chassis 2 and the second assembly chassis 13 are fixedly connected to the bottom positions of the first bearing seat 1 and the second bearing seat 3, a shaft groove is formed in the center position inside the first bearing seat 1 and the second bearing seat 3, mounting screws 8 are embedded in the outer ends of the first bearing seat 1 and the second bearing seat 3, a shaft body 6 is embedded in the first bearing seat 1 and the second bearing seat 3, an external gear 7 is sleeved on the outer end of the shaft body 6, a positioning cover 4 is fixedly connected to the top ends of the first bearing seat 1 and the second bearing seat 3, a lubrication groove 5 is formed in the surface of the positioning cover 4, a positioning base 9 and a limit ring 10 are fixedly arranged inside the first bearing seat 1 and the second bearing seat 3, the shaft body 6 is sleeved with a positioning gear 14, the limiting ring 10 and the positioning base 9 are arranged adjacently, and an outer gear ring 11 and an inner gear ring 12 are arranged at the butt joint position of the shaft body 6 and the outer end of the bearing seat structure.

Further, first equipment chassis 2 and second equipment chassis 13 are movable joint setting with first bearing frame 1 and the 3 bottom positions of second bearing frame, and first equipment chassis 2 and second equipment chassis 13 set up the blotter with first bearing frame 1 and the 3 bottom butt joint positions of second bearing frame, reach the effect of carrying out the butt joint installation with two sets of bearing frame structures through first equipment chassis 2 and second equipment chassis 13, simultaneously effectual its vibrations that reduce when axis body 6 rotates, improve axis body 6 stability.

Furthermore, positioning grooves are formed in the first bearing seat 1 and the second bearing seat 3 relative to the positioning gear 14, and the positioning gear 14 is correspondingly embedded in the positioning grooves in the bearing seat structure.

Further, the positioning seats 9 are distributed at the inner outer end positions of the first bearing housing 1 and the second bearing housing 3.

Further, location base 9 is located first bearing frame 1 and the inside position placed in the middle of second bearing frame 3 simultaneously, reaches the effect of fixing a position the installation between axis body 6 and the bearing frame structure through location base 9.

Further, the whole setting of spacing ring 10 is the setting of half ring gear, and the top is the opening setting, strengthens the installation stability between axis body 6 and the bearing frame structure through spacing ring 10.

Further, outer ring gear 11 and inner ring gear 12 set up relatively, and the embedding sets up in the bearing frame, strengthens the stability between axis body 6 and the bearing frame through outer ring gear 11 and inner ring gear 12, keeps the focus when axis body 6 rotates simultaneously.

Further, first bearing frame 1 and second bearing frame 3 wholly are "concave" form setting, in the time of installing first bearing frame 1 or second bearing frame 3 alone, be one-way "L" form with the equipment chassis structure of bottom, through demountable installation's first bearing frame 1 and second bearing frame 3, can carry out single bearing frame or biax bearing frame according to in-service use and support axis body 6, and the practicality is strong, and whatever kind of bearing structure can all carry out balanced support to axis body 6.

The working principle is as follows: when a user installs the shaft body 6, firstly determining the space of an external engine body, judging whether a double-bearing-seat structure or a single-bearing-seat structure is used, when the double-bearing seat is used, installing the first bearing seat 1 and the second bearing seat 3 at two inner side positions of the engine body through the installation screw 8, installing and fixing two groups of bearing seat structures through the first assembly underframe 2 and the second assembly underframe 13, supporting two ends of the installed shaft body 6 through the first bearing seat 1 and the second bearing seat 3, embedding the transverse two ends of the shaft body 6 into the bearing seat structures corresponding to the positioning bases 9 when the shaft body 6 is installed, embedding the positioning gears 14 on the shaft body 6 into corresponding positioning grooves in the bearing seats, limiting and fixing the shaft body 6, transversely displacing the surface shaft body 6, and then limiting and fixing the shaft body 6 and the bearing seat structures through the outer toothed ring 11 and the inner toothed ring 12, when the single bearing seat structure is used, a group of bearing seat structures are mounted inside an engine, one end of the shaft body 6 after mounting is supported through the bearing seat structures, and the outer gear at the outer end is located in a cavity inside an engine body.

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

Claims

1. The utility model provides a balanced axle construction of singly supporting, includes first bearing frame (1), second bearing frame (3), first equipment chassis (2) and second equipment chassis (13) fixed connection in first bearing frame (1) and second bearing frame (3) bottom position, its characterized in that: the inside position placed in the middle of primary shaft bearing (1) and secondary shaft bearing (3) sets up the shaft groove, the outer end of primary shaft bearing (1) and secondary shaft bearing (3) all imbeds and is provided with installation screw (8), the inside embedding of primary shaft bearing (1) and secondary shaft bearing (3) is provided with axis body (6), outer gear (7) have been cup jointed to the outer end of axis body (6), the top fixedly connected with location lid (4) of primary shaft bearing (1) and secondary shaft bearing (3), lubrication groove (5) have been seted up to the fixed surface of location lid (4), the internal fixation of primary shaft bearing (1) and secondary shaft bearing (3) is provided with location base (9) and spacing ring (10), location gear (14) have been cup jointed on axis body (6), spacing ring (10) and location base (9) adjacent setting, the outer end butt joint position of axis body (6) and bearing frame structure is provided with outer ring gear (11) and inner ring (12).

2. A single supported balance shaft structure as defined in claim 1, wherein: the first assembly chassis (2) and the second assembly chassis (13) are movably clamped with the bottom of the first bearing seat (1) and the bottom of the second bearing seat (3), and cushion pads are arranged at the bottom butt joint positions of the first assembly chassis (2) and the second assembly chassis (13) and the bottom butt joint positions of the first bearing seat (1) and the second bearing seat (3).

3. A single supported balance shaft structure as defined in claim 1, wherein: positioning grooves are formed in the first bearing seat (1) and the second bearing seat (3) relative to the positioning gear (14), and the positioning gear (14) is correspondingly embedded into the positioning grooves in the bearing seat structure.

4. A single supported balance shaft structure as defined in claim 1, wherein: the positioning bases (9) are distributed at the inner outer end positions of the first bearing seat (1) and the second bearing seat (3).

5. A singly supported balance shaft construction according to any one of claims 1 or 4 wherein: the positioning base (9) is positioned in the central positions inside the first bearing seat (1) and the second bearing seat (3) at the same time.

6. A single supported balance shaft structure as defined in claim 1, wherein: the limiting ring (10) is integrally arranged into a half of gear ring, the top of the limiting ring is provided with an opening, the outer gear ring (11) and the inner gear ring (12) are oppositely arranged and embedded into the bearing seat.

7. A single supported balance shaft structure as defined in claim 1, wherein: the first bearing seat (1) and the second bearing seat (3) are integrally arranged in a concave shape, and are in a unidirectional L shape with the bottom assembly underframe structure when the first bearing seat (1) or the second bearing seat (3) is independently installed.