CN215469569U - Supporting tool assembly for machining oil hole in steering gear screw - Google Patents
Supporting tool assembly for machining oil hole in steering gear screw Download PDFInfo
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- CN215469569U CN215469569U CN202121880003.0U CN202121880003U CN215469569U CN 215469569 U CN215469569 U CN 215469569U CN 202121880003 U CN202121880003 U CN 202121880003U CN 215469569 U CN215469569 U CN 215469569U
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Abstract
本实用新型涉及转向器螺杆的加工技术领域，公开了用于转向器螺杆上油孔加工的支撑工装组件，包括，连接筒，连接筒的一侧开设有连接槽，另一侧开设有通过孔；连接筒的侧壁上均匀开设有三个第一加工孔和三个第二加工孔，端部均匀开设有三个第三加工孔，第一加工孔和第二加工孔贯穿连接筒的侧壁，第三加工孔贯穿连接筒的端部，且第一加工孔所在的直线方向与连接槽的轴心所在的直线相垂直，第二加工孔所在的直线方向和第三加工孔所在的直线方向分别与连接槽的轴心所在的直线相交；定位螺杆，定位螺杆螺纹连接于连接筒，转动定位螺杆可使定位螺杆的端部抵触于头部或与头部分离。本实用新型能够提高加工质量。
The utility model relates to the technical field of processing of steering gear screws, and discloses a support tooling assembly used for processing oil holes on steering gear screws. Three first processing holes and three second processing holes are evenly opened on the side wall of the connecting cylinder, and three third processing holes are evenly opened at the ends, and the first processing holes and the second processing holes penetrate through the side wall of the connecting cylinder, The third machining hole runs through the end of the connecting cylinder, and the linear direction where the first machining hole is located is perpendicular to the line where the axis of the connecting groove is located, and the linear direction where the second machining hole is located and the linear direction where the third machining hole is located are respectively It intersects with the straight line where the axis of the connecting groove is located; the positioning screw, the positioning screw is threadedly connected to the connecting cylinder, and rotating the positioning screw can make the end of the positioning screw abut against the head or be separated from the head. The utility model can improve the processing quality.
Description
Technical Field
The utility model relates to the technical field of machining of a steering gear screw rod, in particular to a supporting tool assembly for machining an oil hole in the steering gear screw rod.
Background
The steering gear is used for properly converting steering torque and steering angle from a steering wheel (mainly reducing and increasing the torque) and outputting the steering torque and the steering angle to a steering pull rod mechanism so as to steer the automobile, so the steering gear is essentially a speed reduction transmission device. Steering gears are of various types, such as rack and pinion type, recirculating ball type, worm and crank finger pin type, power steering gears, and the like.
Wherein the screw is one of the components of the core in the diverter, the structure is shown in fig. 14 and fig. 15, wherein it includes a head part 19 with a larger diameter (but the head part 19 is not straight cylinder shape, but the structure with a variable outer diameter) and a rod part 20 with a smaller diameter, wherein the middle part of the head part 19 is provided with a first hole 21, the middle part of the rod part 20 is provided with a second hole 22 with a diameter smaller than that of the first hole 21, and the first hole 21 is communicated with the second hole 22; furthermore, nine oil holes are drilled in the head 19 for adjusting the oil path; the nine oil holes include three transverse oil holes 23, three longitudinal oil holes 24 (actually the longitudinal oil holes 24 are not completely vertically downward, but have a certain inclination angle, typically 2-4 °, so that they look like the longitudinal direction, but are actually inclined), and three oblique oil holes 25; the three transverse oil holes 23 and the three oblique oil holes 25 are all communicated with the first hole 21, and the three longitudinal oblique holes are partially communicated with the first hole 21 and partially not communicated with the first hole 21, but preferably communicated with each other.
At present, nine oil holes are drilled mainly through a bench drill 26; during drilling, a worker holds the screw, pushes the screw against a processing table at the bottom of the bench drill 26, and then manually turns the operating handle of the bench drill 26 to enable the drill 27 to downwards drill the screw; after one hole is drilled, the other hole is drilled after the hole is rotated to an angle; because the method needs workers to judge the drilled angle when drilling, the drilling quality is poor easily, and the processing quality is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a supporting tool assembly for machining an oil hole in a screw rod of a steering gear, and aims to solve the problem of low machining quality.
The technical purpose of the utility model is realized by the following technical scheme: a supporting tool assembly for machining an oil hole on a screw rod of a steering gear comprises,
the outer wall of the connecting cylinder is hexagonal prism-shaped, one side of the connecting cylinder is provided with a connecting groove matched with the head of a screw, and the other side of the connecting cylinder is provided with a through hole for the rod part of the screw to pass through;
the side wall of the connecting cylinder is uniformly provided with three first machining holes and three second machining holes, the end part of the connecting cylinder is uniformly provided with three third machining holes, the first machining holes and the second machining holes penetrate through the side wall of the connecting cylinder, the third machining holes penetrate through the end part of the connecting cylinder, the linear direction of the first machining holes is perpendicular to the linear direction of the axis of the connecting groove, and the linear direction of the second machining holes and the linear direction of the third machining holes are respectively intersected with the linear direction of the axis of the connecting groove;
the positioning screw is in threaded connection with the connecting cylinder, and the end of the positioning screw can be abutted against the head or separated from the head by rotating the positioning screw.
The utility model is further provided with: still evenly be provided with six transition portions, it is three on the lateral wall of connecting cylinder second machined hole evenly distributed in six on the transition portion, it is three first machined hole, three second machined hole and three the third machined hole is followed projection on the length direction of connecting cylinder all is the dislocation form.
The utility model is further provided with: also comprises a step of adding a plurality of auxiliary materials,
the first supporting platform is horizontal;
the second supporting platform is provided with a first supporting part and a second supporting part which are vertical, the upper surface of the first supporting part is provided with first clamping grooves matched with 1/3 outer walls of the connecting cylinder, when the 1/3 outer wall of the connecting cylinder is clamped in the first clamping grooves, the bottom of the connecting cylinder and the bottom of the head are attached to the upper surface of the second supporting part, and the second processing hole is vertical;
third supporting platform, be provided with third supporting part and the fourth supporting part that is perpendicular form on the third supporting platform, the top of fourth supporting part is the slope form, seted up on the upper surface of third supporting part with 1/3 outer wall matched with second block grooves of connecting cylinder, work as the 1/3 outer wall block of connecting cylinder in during the second block groove, the bottom of connecting cylinder and the bottom of head all laminate in the upper surface of fourth supporting part, just the third processing hole is vertical form.
The utility model is further provided with: and a chip falling hole is formed in the bottom of the second supporting part and penetrates through the second supporting part.
The utility model is further provided with: and a third clamping groove matched with the 1/3 outer walls of the connecting cylinder is horizontally formed in the top of the first supporting platform.
The utility model has the beneficial effects that: when driling the screw rod, at first pass spread groove and clearing hole in proper order with the pole portion of screw rod, when the head enters into the spread groove completely, for the state of just cooperating between screw rod and the connecting cylinder this moment (the tip of spread groove is contradicted just to the one end of head, the perisporium is contradicted on the inner wall of spread groove, the diameter of pole portion equals the diameter of clearing hole simultaneously), then the workman rotates positioning screw, make positioning screw support tightly on the outer wall of head, just so can be with fixed connection between connecting cylinder and the screw rod (can set up a plurality of positioning screw according to actual conditions).
When the transverse oil hole is machined, only the position and the angle of the connecting cylinder need to be swung, namely, if the connecting cylinder is horizontally placed when the transverse oil hole is machined, the first machining hole is positioned below a drill bit of a bench drill in a vertical state, then the drill bit is driven downwards manually, and the transverse oil hole is drilled on the head after the drill bit passes through the first machining hole; after the drilling of the transverse oil holes is completed, the drill bit is lifted, the connecting cylinder is rotated by 120 degrees, so that the second first processing hole is positioned below the drill bit, and then the operations are repeated until the three transverse oil holes are drilled; when the longitudinal oil hole is drilled, the connecting cylinder is rotated to be in a state close to the vertical state (actually, an included angle of 2-4 degrees is formed between the connecting cylinder and the horizontal plane, so that the longitudinal oil hole is also close to the vertical state but actually inclined), the third machining hole is also vertically positioned below the drill bit, and then the drill bit can drill the longitudinal oil hole after penetrating through the third machining hole; when oblique oilhole is beaten, the connecting cylinder needs to be placed obliquely, and the drill bit drills the head through the second machining hole. Wherein because three first processing hole, second processing hole and third processing hole all are evenly distributed, consequently in actual processing, can guarantee that the position of punching is all with the distribution, guaranteed the quality of processing.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of a connecting cylinder in a support tool assembly for machining an oil hole in a screw rod of a steering gear, according to the utility model;
FIG. 2 is a cross-sectional view of an embodiment of a connecting cylinder in the support tool assembly for machining an oil hole in a screw rod of a steering gear according to the utility model;
FIG. 3 is a schematic structural diagram of an embodiment of the supporting tool assembly for machining an oil hole in a screw of a steering gear according to the utility model when a transverse oil hole is machined;
FIG. 4 is an enlarged view of portion A of FIG. 3;
FIG. 5 is a schematic structural diagram of an embodiment of the support tool assembly for machining an oil hole in a steering gear screw according to the present invention when machining an oblique oil hole;
FIG. 6 is an enlarged view of portion B of FIG. 5;
FIG. 7 is a cross-sectional view of an embodiment of the support tool assembly for machining an oil hole in a steering gear screw according to the present invention;
FIG. 8 is an enlarged view of portion C of FIG. 7;
FIG. 9 is a schematic structural diagram of an embodiment of the support tool assembly for machining an oil hole in a screw of a steering gear according to the utility model when a longitudinal oil hole is machined;
FIG. 10 is a cross-sectional view of one embodiment of the support tool assembly for machining an oil hole in a steering gear screw according to the present invention;
fig. 11 is an enlarged view of portion D of fig. 10;
FIG. 12 is a schematic structural view of an embodiment of a bench drill and a third supporting platform part in the supporting tool assembly for machining the oil hole in the screw rod of the steering gear of the utility model;
FIG. 13 is a schematic structural view of an embodiment of a first support portion and a second support portion of the support tool assembly for machining an oil hole in a screw of a steering gear according to the present invention;
FIG. 14 is a structural view of a screw;
fig. 15 is a sectional view of the screw.
In the figure, 1, connecting tube; 2. connecting grooves; 3. through the hole; 4. a first machining hole; 5. a second machining hole; 6. processing a third hole; 7. positioning a screw rod; 8. a transition section; 9. a first support platform; 10. a second support platform; 11. a first support section; 12. a second support portion; 13. a first engaging groove; 14. a third support platform; 15. a third support portion; 16. a fourth support portion; 17. a second engaging groove; 18. chip falling holes; 19. a head portion; 20. a rod portion; 21. a first hole; 22. a second hole; 23. a transverse oil hole; 24. a longitudinal oil hole; 25. an oblique oil hole; 26. bench drilling; 27. a drill bit.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings and specific embodiments. It is to be understood that the described embodiments are merely a few embodiments of the utility model, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.
A support tool assembly for oil hole machining on a screw rod of a steering gear, as shown in fig. 1 to 15, comprises,
the connecting cylinder 1 is provided with a hexagonal prism-shaped outer wall, one side of the connecting cylinder 1 is provided with a connecting groove 2 matched with a head 19 of a screw, and the other side is provided with a through hole 3 for a rod part 20 of the screw to pass through;
the side wall of the connecting cylinder 1 is uniformly provided with three first machining holes 4 and three second machining holes 5, the end part of the connecting cylinder 1 is uniformly provided with three third machining holes 6, the first machining holes 4 and the second machining holes 5 penetrate through the side wall of the connecting cylinder 1, the third machining holes 6 penetrate through the end part of the connecting cylinder 1, the linear direction of the first machining holes 4 is perpendicular to the linear direction of the axis of the connecting groove 2, and the linear direction of the second machining holes 5 and the linear direction of the third machining holes 6 are respectively intersected with the linear direction of the axis of the connecting groove 2;
the positioning screw 7 is in threaded connection with the connecting cylinder 1, and the end part of the positioning screw 7 can be abutted against the head part 19 or separated from the head part 19 by rotating the positioning screw 7.
Still evenly be provided with six transition portions 8 on the lateral wall of connecting cylinder 1, it is three second machined hole 5 evenly distributed is in six on the transition portion 8, it is three first machined hole 4, three second machined hole 5 and three third machined hole 6 is followed projection on the length direction of connecting cylinder 1 all is the dislocation form.
Also comprises a step of adding a plurality of auxiliary materials,
the first supporting platform 9 is horizontal, and the first supporting platform 9 is horizontal;
a second support platform 10, wherein a first support part 11 and a second support part 12 which are vertical to each other are arranged on the second support platform 10, a first engaging groove 13 which is matched with 1/3 outer walls of the connecting cylinder 1 is formed in the upper surface of the first support part 11, when the outer wall 1/3 of the connecting cylinder 1 is engaged with the first engaging groove 13, the bottom of the connecting cylinder 1 and the bottom of the head 19 are both attached to the upper surface of the second support part 12, and the second processing hole 5 is vertical;
a third supporting platform 14, wherein a third supporting portion 15 and a fourth supporting portion 16 which are perpendicular to each other are disposed on the third supporting platform 14, a top portion of the fourth supporting portion 16 is inclined (only shown schematically in the figure, and not representing an actual inclination), second engaging grooves 17 which are matched with 1/3 outer walls of the connecting cylinder 1 are formed on an upper surface of the third supporting portion 15, when the 1/3 outer wall of the connecting cylinder 1 is engaged with the second engaging grooves 17, a bottom portion of the connecting cylinder 1 and a bottom portion of the head portion 19 are both attached to an upper surface of the fourth supporting portion 16, and the third processing hole 6 is vertical.
A chip removal hole 18 is formed in the bottom of the second support portion 12, and the chip removal hole 18 penetrates through the second support portion 12.
The top of the first supporting platform 9 is horizontally provided with third engaging grooves (not shown) which are matched with the 1/3 outer walls of the connecting cylinder 1.
According to the support tool assembly for machining the oil hole in the screw rod of the steering gear, when the screw rod is drilled, the rod part 20 of the screw rod sequentially penetrates through the connecting groove 2 and the through hole 3 until the head part 19 completely enters the connecting groove 2, at the moment, the screw rod and the connecting cylinder 1 are in a right matching state (one end of the head part 19 just props against the end part of the connecting groove 2, the peripheral wall props against the inner wall of the connecting groove 2, meanwhile, the diameter of the rod part 20 is equal to that of the through hole 3), and then a worker rotates the positioning screw rod 7 to enable the positioning screw rod 7 to prop against the outer wall of the head part 19, so that the connecting cylinder 1 and the screw rod can be fixedly connected (a plurality of positioning screw rods 7 can be arranged according to actual conditions).
When the transverse oil hole 23 is machined, only the position and the angle of the connecting cylinder 1 need to be swung, namely, if the connecting cylinder 1 is horizontally placed when the transverse oil hole 23 is machined, the first machining hole 4 is positioned below the drill bit 27 of the bench drill 26 in a vertical state, then the drill bit 27 is manually driven downwards, and the transverse oil hole 23 is drilled on the head 19 after the drill bit 27 passes through the first machining hole 4; after the transverse oil holes 23 are drilled, the drill bit 27 is lifted, the connecting cylinder is rotated by 120 degrees, so that the second first machining hole 4 is positioned below the drill bit 27, and then the operations are repeated until the three transverse oil holes 23 are drilled; when the longitudinal oil hole 24 is drilled, the connecting cylinder 1 is rotated to a state close to the vertical state (actually, an included angle of 2-4 degrees is formed between the connecting cylinder and the horizontal plane, so that the longitudinal oil hole 24 is also close to the vertical state, but actually inclined), the third machining hole 6 is also vertically positioned below the drill bit 27 at the moment, and then the drill bit 27 can drill the longitudinal oil hole 24 after penetrating through the third machining hole 6; when the oblique oil hole 25 is drilled, the connecting cylinder 1 needs to be placed obliquely, and the drill 27 drills the head 19 through the second machining hole 5. Wherein because three first processing hole 4, second processing hole 5 and third processing hole 6 are evenly distributed, consequently in the time of actual processing, can guarantee that the position of punching is all with the distribution, guaranteed the quality of processing.
Wherein the connector barrel 1 comprises six side surfaces, forming a hexagonal prism shape, but has a transition part 8 between two adjacent side surfaces, thereby enabling the shape of the connector barrel 1 to be similar to a dodecagon; the three first machining holes 4 are uniformly distributed on six side surfaces, namely each first machining hole 4 is positioned on the side surface, and a side surface and two transition parts 8 are arranged between every two adjacent first machining holes 4; meanwhile, the three second machining holes 5 are uniformly distributed on the six transition portions 8, that is, each second machining hole 5 is located on the transition portion 8, and a transition portion 8 and two side surfaces are arranged between every two adjacent second machining holes 5.
When the transverse oil hole 23 is machined, one side of the side surface of the connecting cylinder 1 is horizontally attached to the top of the first supporting platform 9, so that the side surface positioned at the top is horizontal, and meanwhile, the first machining hole 4 is formed in the side surface, so that the transverse oil hole 23 can be conveniently machined;
when the oblique oil hole 25 is machined, the connecting cylinder 1 and the screw are transferred between the first supporting portion 11 and the second supporting portion 12 on the second supporting platform 10, the connecting cylinder 1 is partially clamped in the first clamping groove 13, the bottom of the connecting cylinder 1 and the bottom of the screw (namely the bottom of the head 19) are abutted to the second supporting portion 12, so that the connecting cylinder 1 cannot rotate or move, the second machining hole 5 is in a vertical state, and the drill 27 is located right above the second machining hole 5, so that the oblique oil hole 25 can be machined conveniently. Wherein the shape of the first engaging groove 13 matches with a transition portion 8 and the side surfaces of the connecting cylinder 1 located at both sides of the transition portion 8. A chip falling hole 18 is formed in the bottom of the second support portion 12, so that chips drilled during machining can fall out of the chip falling hole 18, and the amount of chips to be cleaned is reduced.
When the longitudinal oil hole 24 is machined, part of the connecting cylinder 1 is clamped into the second clamping groove on the third supporting part 15, the bottom of the connecting cylinder 1 and the bottom of the head part 19 are abutted against the fourth supporting part 16, and the drill 27 is positioned right above the vertical third machining hole 6, so that the longitudinal oil hole 24 can be conveniently drilled; wherein, because the fourth supporting part 16 is inclined, the inclined longitudinal oil holes 24 can be conveniently processed, and the operation is simple and convenient. Wherein the second snap groove 17 is shaped to fit with one transition 8 and the side surfaces of the connector barrel 1 on both sides of the transition 8.
In a further embodiment, a third engaging groove is formed on the top of the first supporting platform 9, wherein the third engaging groove is shaped to match with a side surface and the transition portion 8 at both sides of the side surface, so that the third engaging groove can better align the first machining hole 4 and the drill bit 27 when drilling the transverse oil hole 23. Simultaneously, the bottom of the third clamping groove is also provided with a hole, and the hole penetrates through the first supporting platform 9, so that the chips can fall out conveniently.
Meanwhile, in practical use, preferably three bench drills 26 are provided, and the three bench drills 26 are respectively provided with the first supporting platform 9, the second supporting platform 10 and the third supporting platform 14, so that the screws can be processed one by one in the processing process, and the method is simple and convenient.
It should be noted that, in the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other.
The above description is only for the purpose of describing the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention, and any variations and modifications made by those skilled in the art based on the above disclosure are within the scope of the appended claims.
Claims (5)
1. The utility model provides a support frock subassembly that is used for oil hole processing on steering gear screw rod which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the connecting cylinder (1), the outer wall of the connecting cylinder (1) is hexagonal prism-shaped, one side of the connecting cylinder (1) is provided with a connecting groove (2) matched with the head (19) of a screw, and the other side is provided with a through hole (3) for the rod part (20) of the screw to pass through;
the connecting cylinder is characterized in that three first machining holes (4) and three second machining holes (5) are uniformly formed in the side wall of the connecting cylinder (1), three third machining holes (6) are uniformly formed in the end part of the connecting cylinder, the first machining holes (4) and the second machining holes (5) penetrate through the side wall of the connecting cylinder (1), the third machining holes (6) penetrate through the end part of the connecting cylinder (1), the linear direction of the first machining holes (4) is perpendicular to the linear direction of the axis of the connecting groove (2), and the linear direction of the second machining holes (5) and the linear direction of the third machining holes (6) are respectively intersected with the linear direction of the axis of the connecting groove (2);
positioning screw (7), positioning screw (7) threaded connection in connecting cylinder (1), rotate positioning screw (7) can make the tip of positioning screw (7) contradict in head (19) or with head (19) separation.
2. The supporting tool assembly for machining the oil hole in the screw rod of the steering gear according to claim 1, characterized in that: still evenly be provided with six transition portions (8), it is three on the lateral wall of connecting cylinder (1) second machined hole (5) evenly distributed in six on transition portion (8), it is three first machined hole (4), three second machined hole (5) and three third machined hole (6) are followed projection on the length direction of connecting cylinder (1) all is the dislocation form.
3. The supporting tool assembly for machining the oil hole in the screw rod of the steering gear according to claim 1 or 2, characterized in that: also comprises a step of adding a plurality of auxiliary materials,
the first supporting platform (9), the first supporting platform (9) is horizontal;
the connecting cylinder comprises a second supporting platform (10), wherein a first supporting part (11) and a second supporting part (12) which are vertical are arranged on the second supporting platform (10), first clamping grooves (13) matched with 1/3 outer walls of the connecting cylinder (1) are formed in the upper surface of the first supporting part (11), when the 1/3 outer wall of the connecting cylinder (1) is clamped in the first clamping grooves (13), the bottom of the connecting cylinder (1) and the bottom of the head (19) are attached to the upper surface of the second supporting part (12), and the second machining hole (5) is vertical;
third supporting platform (14), be provided with third supporting part (15) and fourth supporting part (16) that are perpendicular form on third supporting platform (14), the top of fourth supporting part (16) is the slope form, seted up on the upper surface of third supporting part (15) with 1/3 outer wall matched with second block groove (17) of connecting cylinder (1), work as 1/3 outer wall block of connecting cylinder (1) in during second block groove (17), the bottom of connecting cylinder (1) and the bottom of head (19) all laminate in the upper surface of fourth supporting part (16), just third machined hole (6) are vertical form.
4. The support tool assembly for machining the oil hole in the screw rod of the steering gear according to claim 3, characterized in that: a chip falling hole (18) is formed in the bottom of the second supporting portion (12), and the chip falling hole (18) penetrates through the second supporting portion (12).
5. The support tool assembly for machining the oil hole in the screw rod of the steering gear according to claim 3, characterized in that: the top of the first supporting platform (9) is horizontally provided with third clamping grooves matched with 1/3 outer walls of the connecting cylinder (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121880003.0U CN215469569U (en) | 2021-08-11 | 2021-08-11 | Supporting tool assembly for machining oil hole in steering gear screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121880003.0U CN215469569U (en) | 2021-08-11 | 2021-08-11 | Supporting tool assembly for machining oil hole in steering gear screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215469569U true CN215469569U (en) | 2022-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121880003.0U Active CN215469569U (en) | 2021-08-11 | 2021-08-11 | Supporting tool assembly for machining oil hole in steering gear screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215469569U (en) |
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2021
- 2021-08-11 CN CN202121880003.0U patent/CN215469569U/en active Active
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Legal Events
| 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 |
Denomination of utility model: Support fixture components for machining oil holes on steering gear screws Granted publication date: 20220111 Pledgee: Hubei Jingzhou Rural Commercial Bank Co.,Ltd. Shashi Branch Pledgor: JINGZHOU XIANGDA MACHINERY MANUFACTURING Co.,Ltd. Registration number: Y2024980000497 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20220111 Pledgee: Hubei Jingzhou Rural Commercial Bank Co.,Ltd. Shashi Branch Pledgor: JINGZHOU XIANGDA MACHINERY MANUFACTURING Co.,Ltd. Registration number: Y2024980000497 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |