CN216502417U - Turning guiding tool for pump wheel assembly of hydraulic torque converter - Google Patents
Turning guiding tool for pump wheel assembly of hydraulic torque converter Download PDFInfo
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- CN216502417U CN216502417U CN202122658650.3U CN202122658650U CN216502417U CN 216502417 U CN216502417 U CN 216502417U CN 202122658650 U CN202122658650 U CN 202122658650U CN 216502417 U CN216502417 U CN 216502417U
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Abstract
The utility model discloses a turning guide tool for a pump wheel assembly of a hydraulic torque converter, which comprises a limiting block, a guide post and a nylon sleeve. The limiting block is provided with a screw and a round hole I. And the end surface of the guide post is provided with a round hole II and two notches. Screw in anchor clamps body is last, and round hole I is inserted to guide post one end, and nylon cover one end embedding round hole II, the neck bush of the pump impeller assembly axle sleeve of nylon cover other end embedding, and the shift fork on the pump impeller assembly axle sleeve inserts in the breach that corresponds, presss from both sides the cover and presss from both sides the surface of establishing at stopper, guide post and pump impeller assembly axle sleeve. The utility model uses the inner hole of the shaft sleeve to center the guiding tool, and the tool and the pump wheel assembly are manually installed on the equipment clamp together, so that the guiding tool can ensure that the excircle of the pump wheel shaft sleeve is not damaged by the clamp sleeve during installation, and the excircle quality of the pump wheel shaft sleeve can be improved.
Description
Technical Field
The utility model relates to the technical field of manufacturing and processing of a hydraulic torque converter, in particular to a turning guiding tool for a pump wheel assembly of the hydraulic torque converter.
Background
Along with the high-speed development of domestic technologies, the nationwide localization of automobiles is more and more high in demand, and the localization of a hydraulic torque converter as a core component in an automobile gearbox is more and more emphasized. The hydraulic torque converter is relatively complex in manufacturing process, high in processing difficulty, high in product requirement and low in profit. Because the global competitive intensity is getting bigger and bigger, and the production and research of the hydraulic torque converter are getting less and less in China, the hydraulic torque converter developed and manufactured by using the existing general equipment under the existing condition plays an extremely important role in promoting the development of the automobile industry and the hydraulic transmission industry in China.
The hydraulic torque converter pump impeller assembly needs to carry out car processing to the pump impeller shell tang after the axle sleeve welding, has guaranteed pump impeller tang and lid assembly tang cooperation requirement, needs centre gripping pump impeller axle sleeve excircle man-hour, and pump impeller axle sleeve excircle is higher to surface quality requirement, and at the clamping in-process, can probably bump the axle sleeve excircle and lead to whole pump impeller assembly to scrap.
Disclosure of Invention
The utility model aims to provide a turning guide tool for a pump wheel assembly of a hydraulic torque converter, which aims to solve the problems in the prior art.
The technical scheme adopted for achieving the purpose of the utility model is that the turning guiding tool for the pump wheel assembly of the hydraulic torque converter comprises a limiting block, a guiding column and a nylon sleeve.
The stopper is wholly cylindric, and the central authorities department of a terminal surface of stopper is connected with the screw, sets up on another terminal surface and supplies guide post male round hole I.
The screw matches with the screw hole on the anchor clamps body, installs on the anchor clamps body and presss from both sides the cover, presss from both sides the axis of cover and the axis coincidence of screw hole on the anchor clamps body.
The guide post is of a step shaft structure, a round hole II for embedding the nylon sleeve is formed in the end face, with the larger diameter, of the guide post, two notches for installing a shifting fork on a shaft sleeve of the pump wheel assembly are formed in the edge of the end face, and the two notches are symmetrical about the axis of the guide post.
The pump wheel assembly is characterized in that the nylon sleeve is of a stepped shaft structure, the maximum diameter of the nylon sleeve is consistent with the inner diameter of the round hole II, an inner lining is installed in the pump wheel assembly shaft sleeve, and the minimum diameter of the nylon sleeve is consistent with the inner diameter of the inner lining.
During the operating condition, screw in screw hole on the anchor clamps body, the guide post has the one end of less diameter and inserts round hole I, and the nylon cover has the one end embedding round hole II of maximum diameter and fixes, and the nylon cover has the neck bush of the one end embedding pump impeller assembly axle sleeve of minimum diameter, and the shift fork on the pump impeller assembly axle sleeve inserts in the breach that corresponds, presss from both sides the cover clamp and establishes the surface at stopper, guide post and pump impeller assembly axle sleeve.
Furthermore, the bottom of the round hole I is provided with an inner hexagonal hole.
Further, one end of the guide post with the smaller diameter is provided with a guide angle.
Further, the bottom of round hole II is seted up threaded hole, and nylon sheathe in and is equipped with the step through-hole, and the step through-hole has the one end of major diameter to run through the nylon cover and has the terminal surface of minor diameter, and the step through-hole has the one end of minor diameter to run through the nylon cover and has the terminal surface of major diameter, and the bolt passes the step through-hole and the screw hole of II bottoms of screw in round hole.
The utility model has the beneficial effects that: aiming at the defect that the collision between the excircle of a shaft sleeve and a clamp jacket cannot be effectively avoided when the existing hydraulic torque converter pump wheel assembly is machined, the utility model provides the guide tool which can effectively avoid the collision between the excircle of the pump wheel shaft sleeve and the clamp jacket, the guide tool is centered by using the inner hole of the shaft sleeve, the guide tool and the pump wheel assembly are manually installed on an equipment clamp, and the guide tool can ensure that the excircle of the pump wheel shaft sleeve is not collided by the clamp jacket during installation, so that the excircle quality of the pump wheel shaft sleeve can be improved.
Drawings
FIG. 1 is a schematic view of the assembly of a clamp body, a guiding tool and a pump wheel assembly shaft sleeve;
FIG. 2 is a schematic view of the assembly of the clamp body with the guidance tool;
FIG. 3 is a schematic view of a stop block;
FIG. 4 is a schematic end view of a guide post;
FIG. 5 is a cross-sectional view B-B of FIG. 4;
FIG. 6 is a schematic view of a nylon sleeve;
FIG. 7 is a schematic view of a pump wheel assembly bushing.
In the figure: the pump wheel assembly comprises a limiting block 1, a screw 101, a round hole I102, a hexagon socket hole 103, a guide post 2, a round hole II 201, a notch 202, a nylon sleeve 3, a step through hole 301, a clamp body 4, a clamping sleeve 401 and a pump wheel assembly shaft sleeve 5.
Detailed Description
The present invention is further illustrated by the following examples, but it should not be construed that the scope of the above-described subject matter is limited to the following examples. Various substitutions and alterations can be made without departing from the technical idea of the utility model and the scope of the utility model is covered by the present invention according to the common technical knowledge and the conventional means in the field.
Example 1:
the embodiment discloses a torque converter pump impeller assembly car processing guiding tool, including stopper 1, guide post 2 and nylon cover 3.
Referring to fig. 3, the whole stopper 1 is cylindrical, a screw 101 is connected to the center of one end face of the stopper 1, and a circular hole i 102 for inserting the guide post 2 is formed in the other end face. The bottom of the round hole I102 is provided with an inner hexagonal hole 103. The material of the limiting block 1 is spring steel, namely 60 steel, 75 steel, 85 steel, 65Mn, 60Si2Mn or T10A.
The screw 101 is matched with a threaded hole in the clamp body 4, a jacket 401 is installed on the clamp body 4, and the axis of the jacket 401 coincides with the axis of the threaded hole in the clamp body 4.
Referring to fig. 4 or 5, the guide post 2 is of a stepped shaft structure, a circular hole ii 201 for the nylon sleeve 3 to be embedded is formed in the end face of the guide post 2 with the larger diameter, two notches 202 for the shifting fork on the pump wheel assembly shaft sleeve 5 to be installed are formed in the edge of the end face, and the two notches 202 are symmetrical with respect to the axis of the guide post 2. One end of the guide post 2 with a smaller diameter is provided with a guide angle of 10-20 degrees, so that smooth installation is ensured, and the sharp corner is rounded. The guide column 2 is made of common structural steel such as 40Cr or 45 steel.
Referring to fig. 6, the nylon sleeve 3 is of a stepped shaft structure, the maximum diameter of the nylon sleeve 3 is consistent with the inner diameter of the round hole ii 201, referring to fig. 7, an inner bushing is installed in the pump wheel assembly shaft sleeve 5, and the minimum diameter of the nylon sleeve 3 is consistent with the inner diameter of the inner bushing. The nylon sleeve 3 is made of nylon 1010, and the hardness of the nylon sleeve is low, so that the inner lining of the pump wheel assembly shaft sleeve 5 cannot be scratched.
Threaded hole is seted up to the bottom of round hole II 201, is equipped with step through-hole 301 on the nylon cover 3, and step through-hole 301 has the one end of major diameter and runs through the terminal surface that nylon cover 3 has minor diameter, and step through-hole 301 has the one end of minor diameter and runs through the terminal surface that nylon cover 3 has major diameter.
Referring to fig. 1 or 2, in an operating state, the screw 101 is screwed into a threaded hole in the fixture body 4, one end of the guide post 2 with a smaller diameter is inserted into the round hole i 102, one end of the nylon sleeve 3 with a largest diameter is inserted into the round hole ii 201, the bolt passes through the step through hole 301 and is screwed into a threaded hole in the bottom of the round hole ii 201, one end of the nylon sleeve 3 with a smallest diameter is inserted into an inner bushing of the pump wheel assembly shaft sleeve 5 for centering and sealing, and a shifting fork on the pump wheel assembly shaft sleeve 5 is inserted into the corresponding notch 202, so that after the pump wheel assembly shaft sleeve 5 is clamped, the guide post 2 does not move relative to the pump wheel assembly shaft sleeve 5 when the device is started and stopped, and the clamping sleeve 401 is clamped on the outer surfaces of the limiting block 1, the guide post 2 and the pump wheel assembly shaft sleeve 5. Because the nylon cover 3 hardness is low, the guide post 2 and the nylon cover 3 are connected by the bolt, so that the nylon cover 3 can be conveniently replaced, and the tooling cost is reduced.
The installation process is as follows: the clamping sleeve 401 is opened, the screw 101 is screwed into a threaded hole in the clamp body 4 through the inner hexagonal hole 103, and the limiting block 1 is fixed on the clamp body 4; embedding one end of the nylon sleeve 3 with the largest diameter into a round hole II 201 of the guide post 2, and fixing the nylon sleeve 3 and the guide post 2 by adopting a bolt; then, one end of the nylon sleeve 3 with the minimum diameter is embedded into an inner lining of the pump wheel assembly shaft sleeve 5 for centering and sealing, one end of the guide post 2 with the smaller diameter is inserted into the round hole I102 of the limiting block 1 and is slowly pushed inwards, and the guide post 2 plays a guiding role in the pushing process, so that the excircle of the pump wheel assembly shaft sleeve 5 can be effectively prevented from being damaged by the clamping sleeve 401 during clamping; and after the sleeve is pushed to a preset position, the jacket 401 is locked on the outer surfaces of the limiting block 1, the guide column 2 and the pump wheel assembly shaft sleeve 5.
Example 2:
the embodiment discloses a torque converter pump impeller assembly car processing guiding tool, including stopper 1, guide post 2 and nylon cover 3.
Referring to fig. 3, the whole stopper 1 is cylindrical, a screw 101 is connected to the center of one end face of the stopper 1, and a circular hole i 102 for inserting the guide post 2 is formed in the other end face.
The screw 101 is matched with a threaded hole in the clamp body 4, a jacket 401 is installed on the clamp body 4, and the axis of the jacket 401 coincides with the axis of the threaded hole in the clamp body 4.
Referring to fig. 4 or 5, the guide post 2 is of a stepped shaft structure, a circular hole ii 201 for the nylon sleeve 3 to be embedded is formed in the end face of the guide post 2 with the larger diameter, two notches 202 for the shifting fork on the pump wheel assembly shaft sleeve 5 to be installed are formed in the edge of the end face, and the two notches 202 are symmetrical with respect to the axis of the guide post 2.
Referring to fig. 6, the nylon sleeve 3 is of a stepped shaft structure, the maximum diameter of the nylon sleeve 3 is consistent with the inner diameter of the round hole ii 201, referring to fig. 7, an inner bushing is installed in the pump wheel assembly shaft sleeve 5, and the minimum diameter of the nylon sleeve 3 is consistent with the inner diameter of the inner bushing.
Referring to fig. 1 or 2, in an operating state, the screw 101 is screwed into a threaded hole in the fixture body 4, one end of the guide post 2 with a smaller diameter is inserted into the round hole i 102, one end of the nylon sleeve 3 with a largest diameter is inserted into the round hole ii 201 and fixed, one end of the nylon sleeve 3 with a smallest diameter is inserted into an inner bushing of the pump wheel assembly shaft sleeve 5, a shifting fork on the pump wheel assembly shaft sleeve 5 is inserted into the corresponding notch 202, and the jacket 401 is clamped on the outer surfaces of the limiting block 1, the guide post 2 and the pump wheel assembly shaft sleeve 5.
Example 3:
the main structure of this embodiment is the same as that of embodiment 2, and further, a hexagon socket 103 is disposed at the bottom of the round hole i 102.
Example 4:
the main structure of this embodiment is the same as that of embodiment 2, and further, a guide angle is provided at one end of the guide post 2 having a smaller diameter.
Example 5:
this embodiment primary structure is with embodiment 2, and further, threaded hole is seted up to the bottom of round hole II 201, is equipped with step through-hole 301 on the nylon cover 3, and step through-hole 301 has the one end of major diameter and runs through the terminal surface that nylon cover 3 has minor diameter, and step through-hole 301 has the one end of minor diameter and runs through the terminal surface that nylon cover 3 has major diameter, and the bolt passes step through-hole 301 and the screw hole of screw in round hole II 201 bottom.
Claims (4)
1. The utility model provides a torque converter pump impeller assembly car processing guiding tool which characterized in that: comprises a limiting block (1), a guide post (2) and a nylon sleeve (3);
the whole limiting block (1) is cylindrical, the center of one end face of the limiting block (1) is connected with a screw (101), and the other end face is provided with a round hole I (102) into which the guide column (2) is inserted;
the screw (101) is matched with a threaded hole in the clamp body (4), a jacket (401) is installed on the clamp body (4), and the axis of the jacket (401) is overlapped with the axis of the threaded hole in the clamp body (4);
the guide post (2) is of a step shaft structure, a round hole II (201) for embedding the nylon sleeve (3) is formed in the end face, with the larger diameter, of the guide post (2), two notches (202) for mounting a shifting fork on a pump wheel assembly shaft sleeve (5) are formed in the edge of the end face, and the two notches (202) are symmetrical about the axis of the guide post (2);
the nylon sleeve (3) is of a stepped shaft structure, the maximum diameter of the nylon sleeve (3) is consistent with the inner diameter of the round hole II (201), an inner bushing is installed in the pump wheel assembly shaft sleeve (5), and the minimum diameter of the nylon sleeve (3) is consistent with the inner diameter of the inner bushing;
during operating condition, screw (101) screw in screw hole on anchor clamps body (4), guide post (2) have the one end of minor diameter and insert round hole I (102), nylon cover (3) have the one end embedding round hole II (201) of maximum diameter and fix, nylon cover (3) have the neck bush of the one end embedding pump impeller assembly axle sleeve (5) of minimum diameter, the shift fork on pump impeller assembly axle sleeve (5) inserts in corresponding breach (202), press from both sides cover (401) and press from both sides the surface of establishing in stopper (1), guide post (2) and pump impeller assembly axle sleeve (5).
2. The torque converter pump impeller assembly turning guide tool of claim 1, wherein: the bottom of the round hole I (102) is provided with an inner hexagonal hole (103).
3. The torque converter pump impeller assembly turning guide tool of claim 1, wherein: and a guide angle is arranged at one end of the guide column (2) with a smaller diameter.
4. The torque converter pump impeller assembly turning guide tool of claim 1, wherein: threaded hole is seted up to the bottom of round hole II (201), is equipped with step through-hole (301) on nylon cover (3), and step through-hole (301) have the one end of major diameter and run through nylon cover (3) and have the terminal surface of minor diameter, and step through-hole (301) have the one end of minor diameter and run through nylon cover (3) and have the terminal surface of major diameter, and the bolt passes the threaded hole of step through-hole (301) and screw in round hole II (201) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122658650.3U CN216502417U (en) | 2021-11-02 | 2021-11-02 | Turning guiding tool for pump wheel assembly of hydraulic torque converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122658650.3U CN216502417U (en) | 2021-11-02 | 2021-11-02 | Turning guiding tool for pump wheel assembly of hydraulic torque converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216502417U true CN216502417U (en) | 2022-05-13 |
Family
ID=81526377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122658650.3U Active CN216502417U (en) | 2021-11-02 | 2021-11-02 | Turning guiding tool for pump wheel assembly of hydraulic torque converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216502417U (en) |
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2021
- 2021-11-02 CN CN202122658650.3U patent/CN216502417U/en active Active
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