CN211346616U - Inspection tool for inspecting height from key groove center to step surface of external star wheel - Google Patents
Inspection tool for inspecting height from key groove center to step surface of external star wheel Download PDFInfo
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- CN211346616U CN211346616U CN201922473655.1U CN201922473655U CN211346616U CN 211346616 U CN211346616 U CN 211346616U CN 201922473655 U CN201922473655 U CN 201922473655U CN 211346616 U CN211346616 U CN 211346616U
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- 230000037431 insertion Effects 0.000 claims description 11
- 238000007906 compression Methods 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 2
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- 238000012545 processing Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 10
- 238000005259 measurement Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model provides an inspection external star gear keyway center to utensil of examining of step face height, relates to automobile parts processing field, contains: the connecting block is provided with a first through hole and a second through hole at intervals in the vertical direction; the shaft end of the outer star wheel is inserted into the first through hole; a strip-shaped opening is formed in the vertical end face of the mounting step of the connecting block, is perpendicular to the vertical end face and radially penetrates to the first through hole; the notch positioning block comprises an inserting block and a plate block, the inserting block is perpendicular to the plate block, and the plate block is attached and fixed to the vertical end face; the cylinder body is fixedly inserted into the second through hole, and two ends of the cylinder body extend out of the second through hole; a mandrel which can elastically stretch relative to the cylinder body penetrates through the cylinder body; and the sleeve is inserted and fixed in the second through hole from the upper part of the cylinder, the measuring head at the lower end of the measuring rod abuts against the upper end face of the mandrel, and the lower end face of the mandrel directly or indirectly abuts against the step face of the outer star wheel. The utility model discloses an examine the difference of the height that can the rapid survey keyway center to step face and standard height, measure simply high-efficiently.
Description
Technical Field
The utility model relates to an automobile parts processing field specifically is an examine utensil of examining outer star gear keyway center to step face height.
Background
The appearance of the outer star wheel is a key part in an angular velocity universal joint of an automobile steering structure, is used for power transmission between any pair of rotating shafts with intersecting axes and constantly changing relative positions on the automobile, and promotes the progress and development of front-wheel drive and all-wheel drive automobiles.
The outer star wheel handle part is generally provided with a circular arc-shaped key groove, and a semicircular key is adopted to be connected with other parts in a transmission system to achieve the purpose of power transmission. The position of the key groove directly influences the connection precision of the besides-star wheel and the connecting piece, and the quality of the connection precision directly influences the performance of a product, so that the detection of the position of the key groove in the machining process is very important.
The existing method for detecting the position of the key slot generally adopts three-coordinate detection or projector detection, and the two methods have the following defects: detecting the time consumption; the field operator can not monitor the product state at any time, and potential safety hazards exist; the measuring method is relatively complex and is not easy to be mastered by operators.
SUMMERY OF THE UTILITY MODEL
To the defect that exists among the prior art, the utility model aims to provide an examine utensil of examining external star gear keyway center to step face height can the difference of the height and the standard height of rapid survey keyway center to step face, measures simply high-efficiently.
In order to achieve the above purpose, the utility model adopts the technical proposal that: the utility model provides an inspection external star wheel keyway center to utensil of examining of step face height, contains:
the connecting block is horizontally arranged, and a first through hole and a second through hole are formed in the connecting block at intervals in the vertical direction; the shaft end of the outer star wheel is inserted into the first through hole; the connecting block is provided with an installation step beside the first through hole; a strip-shaped opening is formed in the vertical end face of the mounting step, is perpendicular to the vertical end face and radially penetrates to the first through hole;
the notch positioning block comprises an insertion block and a plate block, the insertion block is perpendicular to the plate block, the plate block is fixedly attached to the vertical end face, and the insertion block penetrates through the strip-shaped opening to be inserted into and abutted against a key groove of the besides-star wheel;
the cylinder body is fixedly inserted into the second through hole, and two ends of the cylinder body extend out of the second through hole; a mandrel which can elastically stretch relative to the cylinder body penetrates through the cylinder body; the bottom end face of the mandrel extends out of the lower end face of the cylinder;
the dial indicator is provided with a sleeve and a measuring rod extending out of the sleeve, the sleeve is inserted and fixed in the second through hole from the upper part of the cylinder, a measuring head at the lower end of the measuring rod abuts against the upper end face of the mandrel, and the lower end face of the mandrel directly or indirectly abuts against the step face of the outer star wheel.
On the basis of the technical scheme, the connecting block is a cuboid, and the mounting step is positioned at one end of the cuboid in the length direction;
the other end of the cuboid in the length direction is provided with a notch, and the notch penetrates through the side end face of the cuboid from the second through hole in the radial direction; the opening penetrates from the top surface to the bottom surface of the connecting block in the vertical direction; and two sides of the notch are respectively provided with a compression screw and a screw hole for fastening the notch.
On the basis of the technical scheme, a shaft sleeve is sleeved at the shaft end of the outer star wheel and is inserted and fixed in the first through hole; the insertion block penetrates through the strip-shaped opening and the side wall of the shaft sleeve to be inserted into the key groove of the outer star wheel in an abutting mode.
On the basis of the technical scheme, the shaft sleeve is a step sleeve, the step sleeve is provided with a head part with the outer diameter larger than that of the first through hole, the head part faces downwards and abuts against the bottom surface of the connecting block 22, and the outer ring of the head part is provided with a vertical arc-shaped notch; the shaft sleeve is fixed on the connecting block through a fixing screw penetrating through the arc-shaped notch.
On the basis of the technical scheme, the side end face of the connecting block is also provided with a propping screw which penetrates through the side wall of the connecting block and props against the outer ring of the shaft sleeve.
On the basis of the technical scheme, the transition ring is inserted into the top of the barrel, and the sleeve of the dial indicator is inserted and fixed into the transition ring.
On the basis of the technical scheme, a set screw is further radially inserted into the outer ring of the barrel corresponding to the transition ring, and one end of the set screw penetrates through the side wall of the transition ring and abuts against the sleeve of the dial indicator.
On the basis of the technical scheme, the outer ring of the mandrel is provided with a vertical waist circular groove, the outer ring of the barrel corresponding to the waist circular groove is provided with a limit screw, and the end part of the limit screw radially penetrates through the side wall of the barrel and extends into the waist circular groove.
On the basis of the technical scheme, the lower end of the mandrel is provided with a movable detection block in a round table shape, the movable detection block coincides with the central shaft of the mandrel, the movable detection block is fixed on the mandrel through an upward cross groove screw, and the outer diameter of the movable detection block is equal to that of the barrel.
On the basis of the technical scheme, the mandrel is further sleeved with a spring, one end of the spring is fixed on the inner wall of the cylinder, and the other end of the spring extends out of the lower end face of the cylinder and is fixed on the top face of the movable detection block.
The beneficial effects of the utility model reside in that:
1. the utility model discloses whether the inspection tool for inspecting the height from the key groove center of the external star wheel to the step surface rapidly judges the external star wheel measuring piece to be qualified by a comparison measuring method; before the external star wheel measuring piece is inspected, the external star wheel sample piece is used for correcting, and a pointer of a dial indicator corresponding to the standard height is adjusted to be zero scale; measuring the outer star wheel measuring piece, directly reading an error value with the standard height during measurement, and judging that the outer star wheel measuring piece is qualified if the error value is within an allowable range; otherwise, the outer star wheel measuring piece is unqualified; compared with the conventional detection method, the detection time is saved, and the detection efficiency and accuracy are improved.
2. The utility model discloses the inspection tool of inspection external star gear keyway center to step face height measures simply easily and operates, only need insert the external star gear and locate in first through-hole during the measurement to support the plug of incision locating piece in the keyway of external star gear, support the measuring head of percentage table in the step face through the dabber directly or indirectly can; the method simplifies the measurement process, improves the inspection frequency, improves the inspection efficiency, monitors the production state in real time, and reduces the production quality risk of the planetary gear.
3. The utility model discloses inspection external star gear keyway center is to the utensil of examining of step face height mainly contains connecting block, sleeve, dabber and percentage table, simple structure, and the cost of manufacture is low, convenient to popularize and use.
Drawings
Fig. 1 is a perspective view of the embodiment of the utility model discloses when examining the utensil and measuring.
Fig. 2 is a front view of the embodiment of the present invention during measurement.
Fig. 3 is a top view of fig. 2.
Fig. 4 is a partial cross-sectional view of the utility model discloses examine utensil.
Fig. 5 is a schematic diagram of a connection block according to an embodiment of the present invention.
Reference numerals: 1-besides-star wheel, 10-first through hole, 11-second through hole, 12-mounting step, 21-fixing screw, 22-connecting block, 23-notch positioning block, 24-compression screw, 25-shaft sleeve, 31-cross groove screw, 32-movable detecting block, 33-spring, 34-cylinder, 35-mandrel, 36-transition ring, 37-limit screw, 38-set screw, 39-dial indicator, 41-inserting block, 42-plate, 51-sleeve, 52-measuring rod, 53-measuring head, 54-dial plate and 61-holding screw.
Detailed Description
The embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
As shown in fig. 1, 2 and 5, the checking fixture for checking the height from the key groove center of the outer star wheel to the step surface comprises a connecting block 22, a notch positioning block 23, a cylinder 34 and a dial indicator 39. The connecting block 22 is horizontally arranged, and the first through hole 10 and the second through hole 11 are formed in the connecting block 22 at intervals in the vertical direction. The shaft end of the outer star wheel 1 is inserted and fixed in the first through hole 10. The connecting block 22 is provided with a mounting step 12 at a position beside the first through hole 10, and a strip-shaped opening is formed on the vertical end face of the mounting step 12, is perpendicular to the vertical end face and radially penetrates through the first through hole 10.
The notch positioning block 23 is T-shaped and comprises an insertion block 41 and a plate 42, the insertion block 41 is perpendicular to the plate 42, the plate 42 is attached and fixed to the vertical end face, and the insertion block 41 penetrates through the strip-shaped opening to be inserted into a key groove which abuts against the outer star wheel 1 to fix the outer star wheel 1. Preferably, the plate 42 is provided with two holes through which two screws pass to fix the notch positioning block 23 to the connecting block 22.
The cylinder 34 is fixedly inserted into the second through hole 11, and both ends of the cylinder extend out of the second through hole 11. A spindle 35 is inserted into the cylinder 34, and the spindle 35 can elastically extend and contract with respect to the cylinder 34. The bottom end surface of the spindle 35 protrudes from the lower end surface of the cylinder 34.
The dial indicator 39 is a common dial indicator, and includes a sleeve 51, a measuring rod 52, a measuring head 53 and a dial 54, the sleeve 51 is sleeved on the measuring rod 52, the measuring head 53 is arranged at the lower end of the measuring rod 52, the sleeve 51 is inserted and fixed in the second through hole 11 from the upper side of the cylinder 34, the measuring head at the lower end of the measuring rod 52 abuts against the upper end surface of the mandrel 35, and the lower end surface of the mandrel 35 abuts against the step surface of the outer star wheel 1 directly or indirectly.
The utility model discloses an examine utensil and adopt and compare measuring method, whether qualified before the inspection measuring part, need settle the appearance piece in examining the utensil to correct the scale of percentage table 39 to zero scale. Then, checking the measuring piece, and arranging the measuring piece at the same position of the sample piece, wherein the arrangement positions are kept strictly consistent; observing whether the reading of the dial indicator 39 is in a qualified range, and if so, judging that the measuring part is qualified; if not, judging that the measuring piece is not qualified.
Specifically, for example, if the height from the center of the key groove of the outer star wheel of the sample piece to the step surface is X, the dial indicator 39 reads +0.05 when the measuring piece is arranged, and the error range of the dimension is actually required to be within +/-0.02, the measuring piece is judged to be unqualified.
In this embodiment, the connecting block 22 is a rectangular parallelepiped, and the mounting step 12 is located at one end of the rectangular parallelepiped in the length direction; the other end of the cuboid in the length direction is provided with a notch, and the notch radially penetrates to the side end face of the cuboid from the second through hole 11; a cut penetrates from the top surface of the connecting block 22 to the bottom surface of the connecting block 22 in the vertical direction; and a compression screw 24 and a screw hole for fastening the notch are respectively arranged on two sides of the notch, and the compression screw 24 penetrates through the connecting block 22 on one side of the notch to be matched with the screw hole of the connecting block 22 on the other side of the notch. The notch is mainly used for enabling the second through hole 11 to be slightly deformed, and the dial indicator 39 can be conveniently and detachably mounted. Preferably, the strip-shaped opening is provided at the center in the width direction of the rectangular parallelepiped.
As shown in fig. 3, a shaft sleeve 25 is sleeved on a shaft end of the besides-star wheel 1 (an end portion of a shaft body of the besides-star wheel 1), and the shaft sleeve 25 is inserted and fixed in the first through hole 10; the insert 41 penetrates through the strip-shaped opening and the side wall of the sleeve 25 and engages in the key groove of the external star 1. And the shaft sleeve 25 is adopted for transition, so that the fixing of the besides-star wheel 1 is more convenient.
As shown in fig. 2, the shaft sleeve 25 is preferably a stepped sleeve having a head portion with an outer diameter larger than that of the first through hole 10, and the head portion faces downward and abuts against the bottom surface of the connecting block 22. The outer ring of the head part is provided with a vertical arc-shaped notch; the shaft sleeve 25 is fixed to the connecting block 22 by a fixing screw 21 passing through the arc-shaped notch. The fixing screw 21 fixes the shaft sleeve 25 to the connecting block 22 from below to above.
As shown in fig. 3, a holding screw 61 is further disposed on the side end surface of the connecting block 22, and the holding screw 61 penetrates through the side wall of the connecting block 22 and is held against the outer ring of the shaft sleeve 25. The bearing screw 61 further reinforces the shaft sleeve 25, so that the checking fixture is more stable.
As shown in fig. 4, preferably, the transition ring 36 is inserted into the top of the barrel 34, and the sleeve 51 of the dial indicator 39 is inserted and fixed into the transition ring 36. Preferably, the transition ring 36 is a copper piece, and the material is soft, so that the dial indicator 39 is prevented from being excessively extruded while the dial indicator 39 is fixed.
Furthermore, a set screw 38 is radially inserted into the outer ring of the cylinder 34 corresponding to the transition ring 36, one end of the set screw 38 penetrates through the side wall of the transition ring 36 and abuts against the sleeve 51 of the dial indicator 39, so that the dial indicator 39 and the transition ring 36 are further connected in a reinforcing manner, and the dial indicator 39 is prevented from rotating relative to the transition ring 36.
The outer ring of the mandrel 35 is provided with a vertical oval groove, the outer ring of the barrel 34 corresponding to the oval groove is provided with a limit screw 37, and the end part of the limit screw 37 radially penetrates through the side wall of the barrel 34 and extends into the oval groove. The limit screw 37 is used for limiting the stroke of the mandrel 35 in the cylinder 34 and preventing the mandrel 35 from falling off or excessively extruding the dial indicator 39.
Preferably, the lower end of the mandrel 35 is provided with a movable detection block 32 in a truncated cone shape, the movable detection block 32 is overlapped with the central axis of the mandrel 35, the movable detection block 32 is fixed on the mandrel 35 through an upward cross-shaped groove screw 31, and the outer diameter of the movable detection block 32 is equal to that of the cylinder 34. The movable check block 32 enlarges the area of the bottom surface and can be used for better contact with the step surface of the outer star wheel.
In the present embodiment, the spindle 35 is elastically stretchable with respect to the cylinder 34 by providing the spring 33 around the spindle 35. One end of the spring 33 is fixed on the inner wall of the cylinder 34, and the other end extends out from the lower end surface of the cylinder 34 and is fixed on the top surface of the movable detection block 32.
After the scale of the dial indicator 39 is corrected to zero by using the sample piece, the measuring piece is detected, the movable detecting block 32 is abutted against the step surface of the measuring piece, the spring 33 extends or shortens, the mandrel 35 extends upwards or upwards, and the limiting screw 37 slightly moves upwards or downwards relative to the kidney-shaped groove. The spindle 35 transfers the dimensional change (of the measuring piece with respect to the sample piece) from the movable block 32 to the measuring head 53 and displays the scale on the dial 54.
The utility model discloses whether the measuring tool for inspecting the height from the key groove center of the external star wheel to the step surface is qualified or not is judged rapidly by a comparison measuring method; before the measurement piece is inspected, correcting by using a sample piece, and adjusting a pointer of a dial indicator corresponding to the standard height to zero scale; measuring the measuring piece, directly reading an error value with the standard height during measurement, and judging that the measuring piece is qualified if the error value is within an allowable range; otherwise, the measuring piece is unqualified. Compared with the conventional inspection method, the inspection time is saved, and the inspection efficiency and accuracy are greatly improved; meanwhile, the measuring process is simplified, the measurement is simple and easy to operate, the inspection frequency is improved, the production state is monitored in real time, and the production quality risk of the planetary gear is reduced.
The present invention is not limited to the above preferred embodiments, and any person can obtain other products in various forms without departing from the scope of the present invention, but any change in shape or structure is within the scope of protection.
Claims (10)
1. The utility model provides an inspection external star wheel keyway center to utensil of examining of step face height which characterized in that contains:
the connecting block (22) is horizontally arranged, and first through holes (10) and second through holes (11) are formed in the connecting block (22) at intervals in the vertical direction; the shaft end of the outer star wheel (1) is inserted into the first through hole (10); the connecting block (22) is provided with a mounting step (12) beside the first through hole (10); a strip-shaped opening is formed in the vertical end face of the mounting step (12), is perpendicular to the vertical end face and radially penetrates to the first through hole (10);
the notch positioning block (23) comprises an insertion block (41) and a plate block (42), the insertion block (41) is perpendicular to the plate block (42), the plate block (42) is fixedly attached to the vertical end face, and the insertion block (41) penetrates through the strip-shaped opening to be inserted into a key groove abutted to the besides-star wheel (1);
the cylinder body (34) is fixedly inserted into the second through hole (11), and two ends of the cylinder body extend out of the second through hole (11); a mandrel (35) which can elastically stretch relative to the cylinder body (34) penetrates through the cylinder body (34); the bottom end surface of the mandrel (35) extends out of the lower end surface of the cylinder body (34);
the dial indicator (39) is provided with a sleeve (51) and a measuring rod (52) extending out of the sleeve (51), the sleeve (51) is inserted and fixed in the second through hole (11) from the upper portion of the cylinder body (34), a measuring head at the lower end of the measuring rod (52) abuts against the upper end face of the mandrel (35), and the lower end face of the mandrel (35) directly or indirectly abuts against the step face of the outer star wheel.
2. The inspection tool for inspecting the height from the center of the key groove to the step surface of the besides-star wheel as claimed in claim 1, wherein: the connecting block (22) is a cuboid, and the mounting step is positioned at one end of the cuboid in the length direction;
the other end of the cuboid in the length direction is provided with a notch, and the notch radially penetrates to the side end face of the cuboid from the second through hole (11); the cut penetrates from the top surface to the bottom surface of the connecting block (22) in the vertical direction;
and a compression screw (24) and a screw hole for fastening the notch are respectively arranged on two sides of the notch.
3. The inspection tool for inspecting the height from the center of the key groove to the step surface of the besides-star wheel as claimed in claim 1, wherein: a shaft sleeve (25) is sleeved at the shaft end of the outer star wheel (1), and the shaft sleeve (25) is inserted and fixed in the first through hole (10); the insertion block (41) penetrates through the strip-shaped opening and the side wall of the shaft sleeve (25) to be inserted into a key groove abutting against the outer star wheel (1).
4. The inspection tool for inspecting the height from the center of the key slot of the besides-star wheel to the step surface as set forth in claim 3, wherein: the shaft sleeve (25) is a step sleeve, the step sleeve is provided with a head part with the outer diameter larger than that of the first through hole (10), the head part faces downwards and abuts against the bottom surface of the connecting block (22), and the outer ring of the head part is provided with a vertical arc-shaped notch; the shaft sleeve (25) is fixed on the connecting block (22) through a fixing screw (21) penetrating through the arc-shaped notch.
5. The inspection tool for inspecting the height from the center of the key slot of the besides-star wheel to the step surface as set forth in claim 4, wherein: and a propping screw is further arranged on the side end face of the connecting block (22), and penetrates through the side wall of the connecting block (22) to prop against the outer ring of the shaft sleeve (25).
6. The inspection tool for inspecting the height from the center of the key groove to the step surface of the besides-star wheel as claimed in claim 1, wherein: the top of the barrel (34) is inserted with a transition ring (36), and the sleeve of the dial indicator (39) is inserted and fixed with the transition ring (36).
7. The inspection tool for inspecting the height from the center of the key slot of the besides-star wheel to the step surface as set forth in claim 6, wherein: and a set screw (38) is further radially inserted into the outer ring of the barrel (34) corresponding to the transition ring (36), and one end of the set screw (38) penetrates through the side wall of the transition ring (36) and abuts against the sleeve of the dial indicator (39).
8. The inspection tool for inspecting the height from the center of the key groove to the step surface of the besides-star wheel as claimed in claim 1, wherein: the outer ring of the mandrel (35) is provided with a vertical waist circular groove, the barrel (34) is provided with a limit screw (37) corresponding to the outer ring of the waist circular groove, and the end part of the limit screw (37) radially penetrates through the side wall of the barrel (34) and extends into the waist circular groove.
9. The inspection tool for inspecting the height from the center of the key groove to the step surface of the besides-star wheel as claimed in claim 1, wherein: the lower extreme setting of dabber (35) is activity detection piece (32) that the round platform form, the center pin coincidence of activity detection piece (32) and dabber (35), activity detection piece (32) are fixed in through up cross recess screw (31) dabber (35), the external diameter of activity detection piece (32) equals the external diameter of barrel (34).
10. The inspection tool for inspecting the height from the center of the key slot of the besides-star wheel to the step surface as set forth in claim 9, wherein: the core shaft (35) is further sleeved with a spring (33), one end of the spring (33) is fixed on the inner wall of the cylinder body (34), and the other end of the spring (33) extends out of the lower end face of the cylinder body (34) and is fixed on the top face of the movable detection block (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922473655.1U CN211346616U (en) | 2019-12-31 | 2019-12-31 | Inspection tool for inspecting height from key groove center to step surface of external star wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922473655.1U CN211346616U (en) | 2019-12-31 | 2019-12-31 | Inspection tool for inspecting height from key groove center to step surface of external star wheel |
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| Publication Number | Publication Date |
|---|---|
| CN211346616U true CN211346616U (en) | 2020-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922473655.1U Active CN211346616U (en) | 2019-12-31 | 2019-12-31 | Inspection tool for inspecting height from key groove center to step surface of external star wheel |
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| CN (1) | CN211346616U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112013755A (en) * | 2020-09-01 | 2020-12-01 | 浙江科圆工程检测有限公司 | Quick detection device of stair step |
| CN114543611A (en) * | 2022-03-07 | 2022-05-27 | 中国工程物理研究院材料研究所 | Step shaft part measuring device and measuring method thereof |
-
2019
- 2019-12-31 CN CN201922473655.1U patent/CN211346616U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112013755A (en) * | 2020-09-01 | 2020-12-01 | 浙江科圆工程检测有限公司 | Quick detection device of stair step |
| CN112013755B (en) * | 2020-09-01 | 2024-05-24 | 浙江科圆工程检测有限公司 | Quick detection device of stair marking time |
| CN114543611A (en) * | 2022-03-07 | 2022-05-27 | 中国工程物理研究院材料研究所 | Step shaft part measuring device and measuring method thereof |
| CN114543611B (en) * | 2022-03-07 | 2023-09-12 | 中国工程物理研究院材料研究所 | Step shaft part measuring device and measuring method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A checking tool for checking the height from the center of the keyway of the alien wheel to the step surface Effective date of registration: 20220722 Granted publication date: 20200825 Pledgee: Wuhan Rural Commercial Bank Co.,Ltd. Caidian sub branch Pledgor: WUHAN HENGTONGCHENG AUTO PARTS CO.,LTD. Registration number: Y2022420000232 |
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