CN210625539U - Steering gear shell check tool - Google Patents
Steering gear shell check tool Download PDFInfo
- Publication number
- CN210625539U CN210625539U CN201922008014.9U CN201922008014U CN210625539U CN 210625539 U CN210625539 U CN 210625539U CN 201922008014 U CN201922008014 U CN 201922008014U CN 210625539 U CN210625539 U CN 210625539U
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- fixing plate
- hole
- positioning
- positioning rod
- shell
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- 238000001514 detection method Methods 0.000 claims abstract description 33
- 238000003780 insertion Methods 0.000 claims description 23
- 230000037431 insertion Effects 0.000 claims description 23
- 230000000903 blocking effect Effects 0.000 claims description 17
- 230000007704 transition Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 5
- 238000012360 testing method Methods 0.000 abstract description 4
- 230000000670 limiting effect Effects 0.000 description 3
- 230000004308 accommodation Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model provides an utensil is examined to steering gear casing belongs to check out test set technical field. The problem that the existing checking fixture cannot meet the requirements for rapidly detecting the center distance and the included angle between a rack hole and a bearing hole in a large batch is solved. The steering gear shell checking fixture comprises a base body, wherein a first fixing plate, a second fixing plate and a third fixing plate are vertically arranged on the base body, a containing space for containing a shell is formed between the first fixing plate and the second fixing plate, a first positioning hole is formed in the first fixing plate, a second positioning hole is formed in the second fixing plate, a first positioning rod capable of being taken out is inserted in the first positioning hole, a second positioning rod capable of being taken out is inserted in the second positioning hole, the third fixing plate is located on the outer side of the containing space and close to the second fixing plate, a third positioning hole is formed in the third fixing plate, and a third positioning rod capable of. The detection tool is convenient and rapid in detection process, and rapid and large-batch detection can be realized for the center distance and the included angle between the rack hole and the bearing hole of the shell.
Description
Technical Field
The utility model belongs to the technical field of check out test set, a utensil is examined to steering gear casing is related to.
Background
The steering gear is an important component of an automobile steering system and comprises a shell, a steering gear, a steering rack and the like. As disclosed in chinese patent document, an automobile steering gear [ application number: CN92235939.3, publication number: CN2141382Y ], which comprises a cylindrical housing, wherein a rack hole is formed in the housing, a steering rack is arranged in the rack hole, a gear mounting part is obliquely projected from the side part of one end of the housing, a bearing hole communicated with the rack hole is formed in the gear mounting part, a steering gear is arranged in the bearing hole, and the steering gear is engaged with the steering rack.
The steering gear and the steering rack are matched to require a certain angle and a certain center distance, the angle is an included angle between the central line of the steering gear and the central line of the steering rack, and the center distance is a distance between the central line of the steering gear and the central line of the steering rack. The angle and the center distance between the steering gear and the steering rack are reflected on the shell, namely the included angle and the distance between the center line of the bearing hole and the center line of the rack hole. Too large an angle error will result in the gear not being able to cooperate with the rack. When the center distance is too large, the steering gear and the steering rack are not meshed in place, the torque on the steering wheel is difficult to output, the transmission gap is increased, and collision sound is generated between the tooth part of the steering gear and the tooth part of the steering rack; if the center distance is too small, the steering gear or the steering rack is difficult to assemble into the shell, and even if the steering gear or the steering rack is assembled into the shell, the steering gear cannot rotate at all or the rotating torque is too large, so that the steering gear or the steering rack cannot rotate satisfactorily.
At present, the center distance and the included angle between a rack hole and a bearing hole are mainly detected in two modes, the first mode is that a shell is sent to a metering chamber to be detected by three coordinates, although the data accuracy is high, the time consumption is too long, only sampling detection is carried out, and large-batch detection cannot be carried out; the second mode is through the survey platform detection in the workshop laboratory, needs tongue, bevel protractor, cushion and steel ball cooperation to use, and the accumulative error is too big, and the accuracy of data is too low, uses a plurality of examines the utensil moreover, detects consuming time and not short, also is not fit for detecting in batches greatly. The existing checking fixture cannot meet the requirement of rapid large-batch detection, and a steering gear shell checking fixture is urgently needed to realize rapid large-batch detection of the center distance and the included angle between a rack hole and a bearing hole.
Disclosure of Invention
The utility model aims at the above-mentioned problem that prior art exists, provide an utensil is examined to steering gear casing, solved current utensil of examining to the centre-to-centre spacing between casing rack hole and the dead eye and contained angle can not carry out the technical problem that quick big batch detected.
The purpose of the utility model can be realized by the following technical proposal:
a steering gear shell detection tool is provided with a rack hole and a bearing hole, and comprises a seat body, wherein the upper surface of the seat body is a positioning plane, and is characterized in that a first fixing plate, a second fixing plate and a third fixing plate are vertically arranged on the positioning plane, the first fixing plate and the second fixing plate are oppositely arranged, a containing space for placing a shell is arranged between the first fixing plate and the second fixing plate, a first positioning hole capable of being opposite to the rack hole of the shell is formed in the first fixing plate, the axis of the first positioning hole is parallel to the positioning plane, a second positioning hole coaxial with the positioning hole is formed in the second fixing plate, a first positioning rod capable of being taken out is inserted into the first positioning hole, the insertion end of the first positioning rod extends out of the positioning hole and is located in the containing space, a second positioning rod capable of being taken out is inserted into the second positioning hole, and the insertion end of the second positioning rod extends, the third fixing plate is located on the outer side of the containing space and close to the second fixing plate, a third positioning hole capable of being opposite to the bearing hole of the shell is formed in the third fixing plate, the axis of the third positioning hole is parallel to the positioning plane, a third positioning rod capable of being taken out is inserted into the positioning hole, and the insertion end of the third positioning rod extends out of the third positioning hole and is located in the containing space.
When the shell is used, the first positioning rod is taken out of the first positioning hole, the second positioning rod is taken out of the second positioning hole, the third positioning rod is taken out of the third positioning hole, the shell is placed in the accommodating space, two ends of the rack hole of the shell are opposite to the first positioning hole and the second positioning hole respectively, the first positioning rod is inserted into the first positioning hole, the insertion end of the first positioning rod is inserted into one end of the rack hole of the shell, and the second positioning rod is inserted into the second positioning hole, so that the insertion end of the second positioning rod is inserted into the other end of the rack hole of the shell. And then the shell is rotated to enable the bearing hole of the shell to face the third positioning hole, the third positioning rod is inserted into the third positioning hole, the insertion end of the third positioning rod is inserted into the bearing hole of the shell, when the insertion end of the third positioning rod can be inserted into the bearing hole, the center distance and the included angle between the rack hole of the shell and the bearing hole are qualified, and when the insertion end of the third positioning rod cannot be inserted into the bearing hole, the center distance and the included angle between the rack hole of the shell and the bearing hole are unqualified. After the detection is finished, the first positioning rod, the second positioning rod and the third positioning rod are taken out, and the shell is taken down to be detected after the detection tool, so that the second shell can be detected. The detection process is convenient and fast, and the center distance and the included angle between the shell rack hole and the bearing hole can be detected quickly and massively.
In the steering gear shell detection tool, the hole edges at the two ends of the positioning hole one on the first fixing plate are provided with convex first convex edges, the hole edges at the two ends of the positioning hole two on the second fixing plate are provided with convex second convex edges, and the hole edges at the two ends of the positioning hole three on the third fixing plate are provided with convex third convex edges.
The length of the first positioning hole, the length of the second positioning hole and the length of the third positioning hole are respectively prolonged by the arrangement of the first convex edge, the second convex edge and the third convex edge, so that the first positioning rod and the first positioning hole, the second positioning rod and the second positioning hole, and the third positioning rod and the third positioning hole are stably matched in a positioning mode, the work of the checking fixture is stable and accurate, and the stability of the checking fixture is improved.
In the steering gear shell checking fixture, the first blocking shoulder is arranged on the outer side surface of the first positioning rod and can abut against the first convex edge of the first fixing plate, which is back to the accommodating space, the second blocking shoulder is arranged on the outer side surface of the second positioning rod and can abut against the second convex edge of the second fixing plate, which is back to the accommodating space. The first retaining shoulder and the second retaining shoulder have a limiting effect, the first positioning rod and the second positioning rod are prevented from being excessively inserted into the first positioning hole and the second positioning hole respectively, the first positioning rod is convenient to insert and pull out, the use of the checking fixture is convenient, and the checking fixture can complete quick and large-batch detection.
In the steering gear shell detection tool, a third blocking shoulder is arranged on the outer side surface of the third positioning rod and can abut against a third convex edge of the third fixing plate, which faces away from the accommodating space.
The third blocking shoulder has a limiting effect, the third positioning rod is prevented from being excessively inserted into the third positioning hole, the third positioning rod is convenient to insert and extract, and the use of the checking fixture is convenient. And meanwhile, the third blocking shoulder also has an identification function, when the third blocking shoulder is not abutted against the third convex edge, the third positioning rod is not inserted into the bearing hole or inserted into the bearing hole but not inserted into the position, the unqualified shell can be judged, and when the third blocking shoulder is abutted against the third convex edge, the third positioning rod is inserted into the bearing hole and inserted into the position, and the qualified shell can be judged. The third shoulder is arranged to conveniently judge whether the shell is qualified or not, so that the checking fixture can quickly detect.
In the steering gear shell detection tool, the end face and the outer side face of the three insertion ends of the positioning rod are in fillet transition. Set up like this and conveniently insert the locating rod three and detect in the bearing hole, avoid the locating rod three to insert the structure on the end port and take place to interfere with the casing and influence the detection to make the testing process go on fast.
In the steering gear casing detection tool, when the first positioning rod and the second positioning rod are both inserted into the rack hole of the casing, a first gap is formed between the casing and the first protruding edge facing the accommodating space, and a second gap is formed between the casing and the second protruding edge facing the accommodating space.
The setting of clearance one and clearance two on the one hand conveniently puts into accommodation space with the casing and fixes, and on the other hand makes the casing have certain axial displacement space to conveniently insert location stick three in the bearing hole, avoid causing the wrong judgement that location stick three can not insert in the bearing hole and arouse because the axial displacement space is not enough.
Compared with the prior art, the utility model has the advantages of it is following:
the first fixing plate, the second fixing plate and the third fixing plate are arranged on the positioning plane of the base body and are matched with the first positioning rod, the second positioning rod and the third positioning rod, so that the checking fixture can conveniently, rapidly and massively finish the detection of the center distance and the included angle between the rack hole and the bearing hole of the shell body. The arrangement of the first convex edge, the second convex edge and the third convex edge enables the checking fixture to be stable in use. The first retaining shoulder, the second retaining shoulder and the third retaining shoulder are arranged to have limiting effects, the use of the checking fixture is convenient, the third retaining shoulder also has identification effects, and the checking fixture is enabled to be rapidly detected.
Drawings
FIG. 1 is a perspective view of a diverter housing;
FIG. 2 is a perspective view of the present steering gear housing gauge;
FIG. 3 is a disassembled perspective view of the steering gear housing gauge;
FIG. 4 is a perspective view of the steering gear housing test tool when detecting the housing.
In the figure, 1, a housing; 1a, a rack hole; 1b, a bearing hole; 2. a base body; 2a, a positioning plane; 3. an accommodating space; 4. a first fixing plate; 4a, positioning a first hole; 4b, a convex edge I; 5. a second fixing plate; 5a, positioning holes II; 5b, a convex edge II; 6. a third fixing plate; 6a, positioning holes III; 6b, a convex edge III; 7. a first positioning rod; 7a, a first blocking shoulder; 8. a second positioning rod; 8a, a second blocking shoulder; 9. a third positioning rod; 9a, a third shoulder; 10. a first gap; 11. and a second gap.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
Example one
As shown in fig. 1 to 4, a housing 1 of the steering gear is provided with a rack hole 1a and a bearing hole 1 b. A steering gear shell detection tool is used for detecting whether the center distance and the included angle between a rack hole 1a and a bearing hole 1b on a shell 1 are qualified or not. The steering gear shell detection tool comprises a seat body 2, the upper surface of the seat body 2 is a positioning plane 2a, and a first fixing plate 4, a second fixing plate 5 and a third fixing plate 6 are vertically arranged on the positioning plane 2 a. The first fixing plate 4 is located at the left end of the base body 2, the second fixing plate 5 is located at the right end of the base body 2, the first fixing plate 4 and the second fixing plate 5 are oppositely arranged, a containing space 3 for the shell 1 to be placed is formed between the first fixing plate 4 and the second fixing plate 5, and the third fixing plate 6 is located on the outer side of the containing space 3 and close to the second fixing plate 5. The first fixing plate 4 is provided with a first positioning hole 4a capable of being opposite to the rack hole 1a of the shell 1, the axis of the first positioning hole 4a is parallel to the positioning plane 2a, the second fixing plate 5 is provided with a second positioning hole 5a coaxial with the first positioning hole 4a, the third fixing plate 6 is provided with a third positioning hole 6a capable of being opposite to the bearing hole 1b of the shell 1, and the axis of the third positioning hole 6a is parallel to the positioning plane 2 a. A positioning rod I7 which can be taken out is inserted into the positioning hole I4 a, and the insertion end of the positioning rod I7 extends out of the positioning hole I4 a and is positioned in the accommodating space 3. A second positioning rod 8 which can be taken out is inserted into the second positioning hole 5a, and the insertion end of the second positioning rod 8 extends out of the second positioning hole 5a and is positioned in the accommodating space 3. A third positioning rod 9 which can be taken out is inserted in the positioning hole, and the insertion end of the third positioning rod 9 extends out of the third positioning hole 6a and is positioned in the accommodating space 3.
The hole edges of the first fixing plate 4 at the two ends of the first positioning hole 4a are provided with convex first convex edges 4b, the hole edges of the second fixing plate 5 at the two ends of the second positioning hole 5a are provided with convex second convex edges 5b, and the hole edges of the third fixing plate 6 at the two ends of the third positioning hole 6a are provided with convex third convex edges 6 b. The outer side surface of the first positioning rod 7 is provided with a convex first blocking shoulder 7a, and the first blocking shoulder 7a can abut against a convex edge 4b, back to the accommodating space 3, of the first fixing plate 4. A second protruding retaining shoulder 8a is arranged on the outer side surface of the second positioning rod 8, and the second retaining shoulder 8a can abut against a second protruding edge 5b, back to the accommodating space 3, of the second fixing plate 5. A convex shoulder III 9a is arranged on the outer side surface of the third positioning rod 9, and the shoulder III 9a can abut against a convex edge III 6b, back to the accommodating space 3, on the third fixing plate 6. And fillet transition is formed between the end face of the first positioning rod 7 at the insertion end and the outer side face, between the end face of the second positioning rod 8 at the insertion end and the outer side face and between the end face of the third positioning rod 9 at the insertion end and the outer side face.
When the positioning rod I7 is used, the positioning rod II 8 is taken out of the positioning hole I4 a, the positioning rod III 9 is taken out of the positioning hole III 6a, the shell 1 is placed in the accommodating space 3, two ends of the rack hole 1a of the shell 1 are opposite to the positioning hole I4 a and the positioning hole II 5a respectively, the positioning rod I7 is inserted into the positioning hole I4 a, the insertion end of the positioning rod I7 is inserted into the left end of the rack hole 1a of the shell 1, the first blocking shoulder 7a of the positioning rod I7 abuts against the first protruding edge 4b on the left side of the first fixing plate I4, the second positioning rod 8 is inserted into the positioning hole II 5a, the insertion end of the positioning rod II 8 is inserted into the right end of the rack hole 1a of the shell 1, and the second blocking shoulder 8a of the positioning rod II 8 abuts against the second protruding edge 5b on the right side of the second fixing plate 5. And then the shell 1 is rotated to enable the bearing hole 1b of the shell 1 to face the positioning hole III 6a, the positioning rod III 9 is inserted into the positioning hole III 6a, the insertion end of the positioning rod III 9 is inserted into the bearing hole 1b of the shell 1, when the positioning rod III 9 can be inserted into the bearing hole 1b and the shoulder III 9a abuts against the ledge III 6b, the center distance and the included angle between the rack hole 1a of the shell 1 and the bearing hole 1b are qualified, and when the positioning rod III 9 cannot be inserted into the bearing hole 1b or the positioning rod III 9 is inserted into the bearing hole 1b but the shoulder III 9a cannot abut against the ledge III 6b, the center distance and the included angle between the rack hole 1a of the shell 1 and the bearing hole 1b are unqualified. After the detection is finished, the first positioning rod 7, the second positioning rod 8 and the third positioning rod 9 are taken out, and the shell 1 is taken down from the detection tool, so that the detection of the second shell 1 can be carried out. The detection process is convenient and fast, and the center distance and the included angle between the rack hole 1a and the bearing hole 1b of the shell 1 can be detected quickly and massively.
In the detection process, when the shell 1 is fixed on the detection tool by the first positioning rod 7 and the second positioning rod 8, namely the insertion end of the first positioning rod 7 is inserted into the left end of the rack hole 1a, and the insertion end of the second positioning rod 8 is inserted into the right end of the rack hole 1a, a gap I10 is formed between the left end surface of the shell 1 and a convex edge I4 b on the right side of the first fixing plate 4, and a gap II 11 is formed between the right end surface of the shell 1 and a convex edge II 5b on the left side of the second fixing plate 5. Convenient putting into accommodation space 3 and fixing with casing 1 on the one hand like this, on the other hand makes casing 1 have certain space about removing, conveniently inserts bearing hole 1b with location stick three 9 in, avoids removing the wrong judgement that the space is not enough to cause location stick three 9 can not insert bearing hole 1b and arouse about because. In addition, for the shells 1 with different lengths and the same middle distance and angle between the rack hole 1a and the bearing hole 1b, the first positioning rod 7, the second positioning rod 8 and the third positioning rod 9 can be adaptively replaced by the shells with proper lengths, and thus the application range of the gauge can be enlarged.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (6)
1. A steering gear shell detection tool is provided, a rack hole (1a) and a bearing hole (1b) are formed in a shell (1), the steering gear shell detection tool comprises a base body (2), a positioning plane (2a) is arranged on the upper surface of the base body (2), and the steering gear shell detection tool is characterized in that a first fixing plate (4), a second fixing plate (5) and a third fixing plate (6) are vertically arranged on the positioning plane (2a), the first fixing plate (4) and the second fixing plate (5) are oppositely arranged, an accommodating space (3) for placing the shell (1) is formed between the first fixing plate (4) and the second fixing plate (5), a first positioning hole (4a) capable of being opposite to the rack hole (1a) of the shell (1) is formed in the first fixing plate (4), the axis of the first positioning hole (4a) is parallel to the positioning plane (2a), a second positioning hole (5a) coaxial with the first positioning hole (4a, a first positioning rod (7) which can be taken out is inserted into the first positioning hole (4a), the insertion end of the first positioning rod (7) extends out of the first positioning hole (4a) and is positioned in the accommodating space (3), a second positioning rod (8) which can be taken out is inserted into the second positioning hole (5a), the insertion end of the second positioning rod (8) extends out of the second positioning hole (5a) and is positioned in the accommodating space (3), the third fixing plate (6) is positioned at the outer side of the accommodating space (3) and close to the second fixing plate (5), a positioning hole III (6a) which can be opposite to the bearing hole (1b) of the shell (1) is arranged on the fixing plate III (6), the axis of the third positioning hole (6a) is parallel to the positioning plane (2a), a third positioning rod (9) which can be taken out is inserted into the positioning hole, the inserting end of the third positioning rod (9) extends out of the third positioning hole (6a) and is positioned in the accommodating space (3).
2. The steering gear housing detection tool is characterized in that hole edges at two ends of the positioning hole I (4a) on the fixing plate I (4) are provided with convex edges I (4b), hole edges at two ends of the positioning hole II (5a) on the fixing plate II (5) are provided with convex edges II (5b), and hole edges at two ends of the positioning hole III (6a) on the fixing plate III (6) are provided with convex edges III (6 b).
3. The steering gear housing checking fixture according to claim 2, wherein a first blocking shoulder (7a) is arranged on the outer side surface of the first positioning rod (7), the first blocking shoulder (7a) can abut against a first protruding edge (4b) of the first fixing plate (4) facing away from the accommodating space (3), a second blocking shoulder (8a) is arranged on the outer side surface of the second positioning rod (8), and the second blocking shoulder (8a) can abut against a second protruding edge (5b) of the second fixing plate (5) facing away from the accommodating space (3).
4. The steering gear housing detection tool according to claim 3, wherein a third retaining shoulder (9a) is arranged on the outer side face of the third positioning rod (9), and the third retaining shoulder (9a) can abut against a third protruding edge (6b) of the third fixing plate (6) facing away from the accommodating space (3).
5. The steering gear housing checking fixture according to any one of claims 1-4, wherein the end face of the insertion end of the positioning rod III (9) and the outer side face are in rounded transition.
6. The steering gear housing detection tool according to any one of claims 1-4, wherein when the first positioning rod (7) and the second positioning rod (8) are both inserted into the rack hole (1a) of the housing (1), a first gap (10) is formed between the housing (1) and the first protruding edge (4b) facing the accommodating space (3), and a second gap (11) is formed between the housing (1) and the second protruding edge (5b) facing the accommodating space (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922008014.9U CN210625539U (en) | 2019-11-19 | 2019-11-19 | Steering gear shell check tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922008014.9U CN210625539U (en) | 2019-11-19 | 2019-11-19 | Steering gear shell check tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210625539U true CN210625539U (en) | 2020-05-26 |
Family
ID=70755931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922008014.9U Expired - Fee Related CN210625539U (en) | 2019-11-19 | 2019-11-19 | Steering gear shell check tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210625539U (en) |
-
2019
- 2019-11-19 CN CN201922008014.9U patent/CN210625539U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200526 |