CN219588048U

CN219588048U - Blank cap welding type input guide seat of hydraulic torque converter

Info

Publication number: CN219588048U
Application number: CN202320649969.6U
Authority: CN
Inventors: 周雄华; 刘强强; 由理; 张蔚; 李钱宇; 李震; 高宇; 王自强
Original assignee: Bengbu Yeli Machinery Co ltd
Current assignee: Bengbu Yeli Machinery Co ltd
Priority date: 2023-03-28
Filing date: 2023-03-28
Publication date: 2023-08-25
Anticipated expiration: 2033-03-28

Abstract

The utility model discloses a blank cap welding type input guide seat of a hydraulic torque converter, and particularly relates to the technical field of hydraulic torque converters, which comprises an output shaft of the hydraulic torque converter and an input shaft head excircle connected with an output end of an engine, wherein one end of the output shaft is provided with an input guide seat assembly, and the input guide seat assembly comprises: the input guide seat spline and the input guide seat blank cap, the input guide seat spline is arranged at one end of the output shaft, the outer circle of the input shaft head is coaxially arranged on the outer surface of the input guide seat spline, and the input guide seat blank cap is welded in the outer circle of the input shaft head. According to the utility model, the input guide seat assembly is arranged, and the input guide seat spline in the input guide seat assembly is arranged at the end part of the output shaft after finishing related working procedures, so that the input guide seat spline can provide convenience for positioning and processing for the input guide seat spline, the excircle of the input shaft head and the input guide seat spline can be kept coaxial within the range of 0-0.05mm, and the processing efficiency of the excircle of the input shaft head and the input guide seat spline is improved.

Description

Blank cap welding type input guide seat of hydraulic torque converter

Technical Field

The utility model relates to the technical field of hydraulic torque converters, in particular to a blank cap welding type input guide seat of a hydraulic torque converter.

Background

The hydraulic torque converter can be called as a hydraulic torque converter, is one of hydraulic transmission components and consists of a pump impeller, a turbine and a guide wheel; the pump wheel is connected with the driving shaft, can convert mechanical energy input by the driving shaft into kinetic energy and pressure head of liquid by virtue of centrifugal force, and is used for the turbine to do work; the output connection of the hydraulic torque converter is usually connected with a load by virtue of a turbine seat spline, and the output connection of the hydraulic torque converter is also connected with the load by virtue of an input guide seat spline; when the hydraulic torque converter is connected with a load by virtue of the spline of the input guide seat, the engine is connected with the input end of the torque converter, so that the torque converter is driven to rotate, if torque conversion is not needed, power is directly transmitted to the output shaft by virtue of the spline in the input guide seat, the excircle of the input shaft head is required to be coaxial with the spline, otherwise, the input end is broken or the spline is damaged; fig. 3 is a schematic diagram showing connection between the input guide spline 31 and the output shaft 1 and the outer circle 2 of the input shaft head before modification; fig. 4 is a schematic diagram of the outer circle 2 of the input shaft head before improvement sleeved on the spline 31 of the input guide seat.

However, in practical use, the internal spline of the traditional input end structure is limited in space, the machining method only adopts gear shaping machining, namely, a shaping slotting cutter is used for shaping and slotting on a slotting machine one by one, the productivity and the precision are low, the coaxiality of the excircle of an input shaft head and an output spline in a specified range is difficult to ensure, if the coaxiality is not ensured, the load center is deviated from the center of a matching hole of an engine when the engine end is matched with the excircle of the input shaft head, and the input end is broken or the spline is damaged, so that the blank cap welding type input guide seat of the hydraulic torque converter is provided.

Disclosure of Invention

In order to overcome the above-mentioned drawbacks of the prior art, embodiments of the present utility model provide a cover welding type input guide for a torque converter, which solves the above-mentioned problems of the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a blank cap welding formula input guide of torque converter, includes the output shaft of torque converter and the input spindle nose excircle of being connected with the engine output, the one end of output shaft is provided with the input guide assembly, the input guide assembly includes: the input guide seat spline and the input guide seat blank cap, the input guide seat spline is arranged at one end of the output shaft, the outer circle of the input shaft head is coaxially arranged on the outer surface of the input guide seat spline, and the input guide seat blank cap is welded in the outer circle of the input shaft head.

Further, a penetrating mounting groove is formed in the middle of the excircle of the input shaft head, and the input guide seat spline is inserted into the mounting groove.

Further, the central axis of the excircle of the input shaft head coincides with the central axis of the input guide seat spline.

Further, the thickness range of the input guide seat blank cap is set to 7-10mm.

Further, the input guide seat blank cap is welded in the mounting groove in a sealing mode, and the input guide seat blank cap does not exceed the mounting groove.

The utility model has the technical effects and advantages that:

1. by arranging the input guide seat assembly, the input guide seat spline in the input guide seat assembly is arranged at the end part of the output shaft after finishing related procedures, and the input guide seat spline can provide convenience for positioning and processing for the input guide seat spline, so that the excircle of the input shaft head and the input guide seat spline can be kept coaxial within the range of 0-0.05mm, and the processing efficiency of the excircle of the input shaft head and the input guide seat spline is improved.

2. By arranging the mounting groove, the outer circle of the input shaft head can be machined by broaching by using the mounting groove, so that the machining quality is improved; by arranging the input guide seat blank cap, after the outer circle of the input shaft head is combined with the input guide seat spline, the mounting groove is sealed by the blank cap welding type by utilizing the input guide seat blank cap, so that the outer circle of the input shaft head and the input guide seat spline are kept coaxial within the range of 0-0.05 mm.

Drawings

FIG. 1 is a schematic cross-sectional view of the overall structure of the present utility model.

FIG. 2 is a schematic cross-sectional view of an input stub shaft outer circle and input guide assembly of the present utility model.

FIG. 3 is a schematic cross-sectional view of the overall structure of the present utility model prior to modification.

FIG. 4 is a schematic cross-sectional view of the outer circumference of the input stub shaft and the input guide spline prior to modification of the present utility model. The reference numerals are:

1. an output shaft;

2. inputting an excircle of a shaft head; 21. a mounting groove;

3. an input guide assembly; 31. inputting guide seat splines; 32. and (5) an input guide seat cover.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

The utility model provides a blank cap welding formula input guide of torque converter as shown in fig. 1 and fig. 2, includes the output shaft 1 of torque converter and the input spindle nose excircle 2 that is connected with the engine output, and the one end of output shaft 1 is provided with input guide assembly 3, and input guide assembly 3 includes: the input guide spline 31 and the input guide blank cap 32, wherein the input guide spline 31 is arranged at one end of the output shaft 1, the outer circle 2 of the input shaft head is coaxially arranged on the outer surface of the input guide spline 31, and the input guide blank cap 32 is welded in the outer circle 2 of the input shaft head.

The input guide seat assembly 3 is different from the traditional structure, the input guide seat is changed into two parts of an input guide seat spline 31 and an input guide seat blank cap 32 from one whole, and the input guide seat blank cap 32 is used for welding and sealing;

in a preferred embodiment, as shown in fig. 1 and 2, a mounting groove 21 is formed in the middle of the excircle 2 of the input shaft head, and an input guide spline 31 is inserted into the mounting groove 21; the central axis of the excircle 2 of the input shaft head coincides with the central axis of the input guide seat spline 31;

the mounting groove 21 of the outer circle 2 of the input shaft head is in a penetrating condition, so that broaching processing can be carried out on the outer circle 2 of the input shaft head, single gear shaping processing is avoided, and processing quality can be improved;

after the input guide spline 31 is arranged at one end of the output shaft 1, the input shaft head excircle 2 can be positioned and processed according to the input guide spline 31, so that the coaxiality range of the input shaft head excircle 2 and the input guide spline 31 is 0-0.05mm, and the processing efficiency of the input guide spline 31 is improved;

in a preferred embodiment, as shown in FIGS. 1 and 2, the thickness of the input guide cover 32 is in the range of 7-10mm; the input guide seat blank cap 32 is welded in the mounting groove 21 in a sealing way, and the input guide seat blank cap 32 does not exceed the mounting groove 21;

after the input guide spline 31 and the matching piece are processed, the input guide blank cap 32 is welded; so that the input shaft head outer circle 2 is closed to the input guide spline 31 by the input guide blank cap 32.

The working principle of the utility model is as follows: when the hydraulic torque converter (mechanical part) works, the engine is connected with the hydraulic torque converter, meanwhile, the excircle 2 of the input shaft head is fixed in the engine connecting sleeve, the load is directly connected with the input guide seat spline 31, the input guide seat assembly 3 is driven to rotate when the engine rotates, and the input guide seat spline 31 in the input guide seat assembly 3 drives the load to rotate.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 blank cap welding formula input guide seat of torque converter, includes output shaft (1) of torque converter and the input spindle nose excircle (2) of being connected with the engine output, its characterized in that: one end of the output shaft (1) is provided with an input guide assembly (3), and the input guide assembly (3) comprises: the novel oil pump comprises an input guide spline (31) and an input guide blank cap (32), wherein the input guide spline (31) is arranged at one end of an output shaft (1), an input shaft head excircle (2) is coaxially arranged on the outer surface of the input guide spline (31), and the input guide blank cap (32) is welded inside the input shaft head excircle (2).

2. The torque converter cover welded input guide of claim 1, wherein: the middle part of the excircle (2) of the input shaft head is provided with a penetrating installation groove (21), and the spline (31) of the input guide seat is inserted into the installation groove (21).

3. The torque converter cover welded input guide of claim 2, wherein: the central axis of the excircle (2) of the input shaft head is coincident with the central axis of the input guide seat spline (31).

4. A torque converter's cover-welded input receptacle as defined in claim 3, wherein: the thickness range of the input guide seat blank cap (32) is 7-10mm.

5. The torque converter cover welded input guide of claim 4, wherein: the input guide seat blank cap (32) is welded in the mounting groove (21) in a sealing mode, and the input guide seat blank cap (32) does not exceed the mounting groove (21).