CN209755958U - Inner core-pulling device with inner side hole reversely buckled - Google Patents
Inner core-pulling device with inner side hole reversely buckled Download PDFInfo
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- CN209755958U CN209755958U CN201920371001.5U CN201920371001U CN209755958U CN 209755958 U CN209755958 U CN 209755958U CN 201920371001 U CN201920371001 U CN 201920371001U CN 209755958 U CN209755958 U CN 209755958U
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Abstract
The utility model discloses a device of loosing core in inboard hole back-off, including base, interior mechanism of loosing core, the inside of base has the slide opening, and interior mechanism of loosing core is installed in the slide opening to be connected rather than the sliding fit, interior mechanism of loosing core includes that first line position inlays needle, second line position and inlays needle, shovel ejector pad, be equipped with first oblique guide hole, the oblique guide hole of second on the pore wall of base both sides respectively, first line position is inlayed needle, second line position and is inlayed the needle and pass first oblique guide hole, the oblique guide hole of second from the inboard of pore wall to the outside respectively to be connected rather than the sliding fit, shovel ejector pad has first slant shovel surface, second slant shovel surface, and first slant shovel surface, second slant shovel surface inlay the needle with first line position respectively, second line position and shovel cooperation is connected. The inner core-pulling device for the inner side hole reverse buckle realizes inner core-pulling demoulding of the inner side hole reverse buckle product, the yield is high, and the production efficiency is improved.
Description
Technical Field
The utility model relates to the field of molds, especially, relate to a device of loosing core in inboard hole back-off.
Background
In an injection mold, if a product is a ring-shaped piece or a frame-shaped piece, one side of the ring-shaped piece or the frame-shaped piece is provided with a wall surface, the other side of the ring-shaped piece or the frame-shaped piece is provided with an opening, and the inner side hole wall of the opening is provided with an inverted buckle structure.
Disclosure of Invention
an object of the utility model is to provide a device of loosing core in inboard hole back-off, the device of loosing core in this inboard hole back-off has realized the interior drawing of core drawing of drawing core of inboard hole back-off product, and the yield is high, improves production efficiency.
The technical scheme is as follows:
Interior device of loosing core in inboard hole back-off, including base, interior mechanism of loosing core, the inside of base has the slide opening, and interior mechanism of loosing core is installed in the slide opening to be connected rather than sliding fit, interior mechanism of loosing core includes that the needle is inlayed to first line position, second line position, shovel top piece, be equipped with first oblique guide hole, the oblique guide hole of second on the pore wall of base both sides respectively, the needle is inlayed to first line position, second line position and inlay the needle and pass first oblique guide hole, the oblique guide hole of second from the inboard of pore wall to the outside respectively to be connected rather than sliding fit, shovel top piece has first slant shovel surface, second slant shovel surface, and first slant shovel surface, second slant shovel surface inlay the needle with first line position respectively and inlay the shovel is moved the cooperation and is connected.
The first inclined guide hole and the second inclined guide hole are respectively inclined downwards from the inner side of the base hole wall to the outer side of the base hole wall.
The distance between the upper end of the first oblique shovel surface and the upper end of the second oblique shovel surface is larger than the distance between the lower end of the first oblique shovel surface and the lower end of the second oblique shovel surface, and the first oblique shovel surface and the second oblique shovel surface are symmetrical to each other.
The first oblique shovel surface and the second oblique shovel surface are perpendicular to the first oblique guide hole and the second oblique guide hole respectively.
the first slide block insert is connected with the first slide block insert through the first side surface, and the first side surface is in shoveling sliding fit connection with the first inclined shovel surface; the second slide block insert pin comprises a second slide block insert pin and a second push block, two opposite side surfaces of the second push block comprise a third side surface and a fourth side surface, the second push block is connected with the second slide block insert through the third side surface, and the third side surface is connected with the second inclined shovel surface in a shoveling and sliding fit mode.
The middle parts of the first oblique shovel surface and the second oblique shovel surface are respectively provided with a first strip-shaped hole and a second strip-shaped hole, the first slider insert needle penetrates through the first strip-shaped hole and the first oblique guide hole in sliding fit connection, and the second slider insert needle penetrates through the second strip-shaped hole and the second oblique guide hole in sliding fit connection.
The first push block and the second push block are respectively cylindrical, the first side face and the second side face are respectively located on two opposite circular side faces of the first push block, and the third side face and the fourth side face are respectively located on two opposite circular side faces of the second push block.
The inner core pulling mechanism further comprises a top cover, the top cover covers the upper end of the shovel machine ejector block, the top cover is provided with a first limiting inclined surface and a second limiting inclined surface, the first limiting inclined surface and the second limiting inclined surface respectively form a first guide groove and a second guide groove with the first inclined shovel surface and the second inclined shovel surface, the second side surface of the first push block and the fourth side surface of the second push block are respectively in sliding limiting connection with the first limiting inclined surface and the second limiting inclined surface, and the first push block and the second push block are respectively in sliding fit connection with the first guide groove and the second guide groove.
the inner core-pulling mechanism further comprises a push rod and a spring, and the push rod is connected with the lower end of the shovel top block through the spring.
the shovel machine top block is characterized in that a limiting convex ring is arranged on the outer side face of the lower end of the shovel machine top block, a stroke limiting groove is formed in the lower end of the inner side of the hole wall of the base, and the limiting convex ring is matched with the stroke limiting groove in a limiting connection mode.
It should be noted that:
The foregoing references to "first and second …" do not denote any particular quantity or order, but rather are used to distinguish one name from another.
In the description of the present invention, it should be understood that the terms "upper" and "lower" are used as the terms of the orientation or the positional relationship based on the drawings, or the orientation or the positional relationship that the product of the present invention is usually placed when using, or the orientation or the positional relationship that the person skilled in the art usually understands, only for the convenience of describing the present invention and simplifying the description, but not for the indication or the suggestion that the device or the element that is referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore, should not be interpreted as the limitation of the present invention.
The advantages or principles of the invention are explained below:
1. The inner side hole back-off inner core pulling device comprises a base and an inner core pulling mechanism, wherein the inner core pulling mechanism comprises a first line position embedding needle, a second line position embedding needle and a shovel machine top block, when the mold is closed and poured, the first line position embedding needle and the second line position embedding needle respectively extend out of the outer side surface of the base along a first inclined guide hole and a second inclined guide hole from the inner side hole wall of the base to form inner side hole back-off of a product, when the mold is opened, the shovel machine top block moves upwards, and the shovel machine top block respectively shovels the first line position embedding needle and the second line position embedding needle to perform core pulling sliding along the first inclined guide hole and the second inclined guide hole into the slide holes through the first inclined shovel surface and the second inclined shovel surface to complete demolding; the inner core-pulling device for the inner hole reverse buckle realizes inner core-pulling demoulding of the inner hole reverse buckle product, has high yield, improves the production efficiency,
2. the first inclined guide hole and the second inclined guide hole are inclined downwards from the inner side of the base hole wall to the outer side of the base hole wall respectively, and when the shovel is demolded, the shovel top block shovels the first row insert pin and the second row insert pin upwards to loose cores inwards.
3. The first oblique shovel surface and the second oblique shovel surface form a shovel machine jacking block with a horn opening facing upwards, so that the shovel machine jacking block can more easily shovel the first row position insert pin and the second row position insert pin to inwards loose cores.
4. The first oblique shovel surface and the second oblique shovel surface are perpendicular to the first oblique guide hole and the second oblique guide hole respectively, so that when the shovel top block shovels the first slide insert pin and the second slide insert pin to pull inwards to loose cores, resistance is smaller, and operation is more convenient.
5. The first slide block embedding needle comprises a first slide block embedding needle and a first push block, the second slide block embedding needle comprises a second slide block embedding needle and a second push block, the first oblique shovel surface and the second oblique shovel surface shovel the first slide block embedding needle and the second slide block embedding needle through the first side surface and the third side surface to inwards loose core and slide, and the operation is more convenient and labor-saving.
6. The first sliding block insert needle penetrates through the first strip-shaped hole to be connected with the first oblique guide hole in a sliding fit mode, the second sliding block insert needle penetrates through the second strip-shaped hole to be connected with the second oblique guide hole in a sliding fit mode, the push blocks are shoveled by oblique shovel surfaces on two sides of the first strip-shaped hole and the second strip-shaped hole, the two sides of the first side surface and the third side surface which are connected with the first sliding block insert needle and the second sliding block insert needle are simultaneously pushed under stress, sliding stress of the first sliding block insert needle and the second sliding block insert needle on the first oblique guide hole and the second oblique guide hole is more balanced, core pulling yield is higher, preferably, the first push block and the second push block are respectively cylindrical, and sliding of the first push block and the second push block with the first oblique shovel surface and the second oblique shovel surface is smoother.
7. The inner core-pulling mechanism further comprises a top cover, the top cover is provided with a first limiting inclined plane and a second limiting inclined plane, the first limiting inclined plane and the second limiting inclined plane respectively limit the first pushing block and the second pushing block, so that the first pushing block and the second pushing block slide along the first guide groove and the second guide groove, and the structure of the inner core-pulling mechanism is more stable.
8. The push rod pushes the shovel top block to move up and down through the spring, and the shovel top block is elastically stressed, so that core pulling is safer.
9. The limit convex ring is arranged to limit the stroke of the shovel top block, so that the overlarge stroke of the inner core-pulling mechanism is avoided.
Drawings
Fig. 1 is a schematic perspective view of an inner core-pulling device for an inner side hole reverse buckle of the embodiment of the present invention.
Fig. 2 is an exploded view of the inner core-pulling mechanism of the inner core-pulling device in the inner side hole reverse buckle of the embodiment of the present invention.
Fig. 3 is a front view of the mold closing state of the inner side hole inverted buckle inner core-pulling device of the embodiment of the present invention.
Fig. 4 is a plan view of the mold closing state of the inner side hole inverted buckle inner core-pulling device of the embodiment of the present invention.
3 fig. 3 5 3 is 3 a 3 sectional 3 view 3 taken 3 along 3 line 3 a 3- 3 a 3 of 3 fig. 3 4 3. 3
Fig. 6 is a front view of the mold opening state of the inner side hole inverted buckle inner core-pulling device of the embodiment of the present invention.
Fig. 7 is a plan view of the mold opening state of the inner side hole inverted buckle inner core-pulling device of the embodiment of the present invention.
Fig. 8 is a sectional view taken along line B-B of fig. 7.
Description of reference numerals:
10. The core pulling mechanism comprises a base, 11, a sliding hole, 12, a first inclined guide hole, 13, a second inclined guide hole, 14, a limiting groove, 20, an inner core pulling mechanism, 21, a first row insert pin, 211, a first slider insert pin, 212, a first push block, 2121, a first side surface, 2122, a second side surface, 22, a second row insert pin, 221, a second slider insert pin, 222, a second push block, 2221, a third side surface, 2222, a fourth side surface, 23, a shovel top block, 231, a first inclined shovel surface, 2311, a first strip-shaped hole, 232, a second inclined shovel surface, 2321, a second strip-shaped hole, 233, a limiting convex ring, 24, a top cover, 241, a first limiting inclined surface, 242, a second limiting inclined surface, 243, a first guide groove, 244, a second guide groove, 25, a push rod, 26, a spring, 30 and a product.
Detailed Description
The following describes embodiments of the present invention in detail.
as shown in fig. 1 to 8, the inner core pulling device with an inner hole reversed buckle comprises a base 10 and an inner core pulling mechanism 20, wherein a sliding hole 11 is formed in the base 10, the inner core pulling mechanism 20 is installed in the sliding hole 11 and is connected with the sliding hole in a sliding fit manner, the inner core pulling mechanism 20 comprises a first row insert needle 21, a second row insert needle 22 and a shovel top block 23, a first inclined guide hole 12 and a second inclined guide hole 13 are respectively formed in hole walls on two sides of the base 10, the first row insert needle 21 and the second row insert needle 22 respectively penetrate through the first inclined guide hole 12 and the second inclined guide hole 13 from the inner side to the outer side of the hole walls and are connected with the shovel top block 23 in a sliding fit manner, the shovel top block 23 comprises a first inclined shovel surface 231 and a second inclined shovel surface 232, and the first inclined shovel surface 231 and the second inclined shovel surface 232 are respectively connected with the first row insert needle 21 and the second row insert needle 22 in a sliding fit manner.
The first inclined guide hole 12 and the second inclined guide hole 13 are respectively inclined downwards from the inner side of the hole wall of the base 10 to the outer side of the hole wall of the base 10;
The distance between the upper end of the first inclined blade surface 231 and the upper end of the second inclined blade surface 232 is greater than the distance between the lower end of the first inclined blade surface 231 and the lower end of the second inclined blade surface 232, and the first inclined blade surface 231 and the second inclined blade surface 232 are symmetrical to each other;
The first oblique shovel surface 231 and the second oblique shovel surface 232 are perpendicular to the first oblique guide hole 12 and the second oblique guide hole 13 respectively;
The first slide insert 21 comprises a first slide insert 211 and a first push block 212, two opposite side surfaces of the first push block 212 comprise a first side surface 2121 and a second side surface 2122, the first push block 212 is connected with the first slide insert through the first side surface 2121, and the first side surface 2121 is connected with the first inclined shovel surface 231 in a sliding fit manner; the second row insert pin 22 comprises a second slider insert pin 221 and a second push block 222, two opposite side surfaces of the second push block 222 comprise a third side surface 2221 and a fourth side surface 2222, the second push block 222 is connected with the second slider insert through the third side surface 2221, and the third side surface 2221 is connected with the second inclined shovel surface 232 in a shoveling and sliding manner;
The middle parts of the first oblique shovel surface 231 and the second oblique shovel surface 232 are respectively provided with a first strip-shaped hole 2311 and a second strip-shaped hole 2321, the first slider insert needle 211 penetrates through the first strip-shaped hole 2311 to be connected with the first oblique guide hole 12 in a sliding fit manner, and the second slider insert needle 221 penetrates through the second strip-shaped hole 2321 to be connected with the second oblique guide hole 13 in a sliding fit manner;
The first pushing block 212 and the second pushing block 222 are respectively cylindrical, the first side 2121 and the second side 2122 are respectively located on two opposite circular sides of the first pushing block 212, and the third side 2221 and the fourth side 2222 are respectively located on two opposite circular sides of the second pushing block 222.
the internal core pulling mechanism 20 further comprises a top cover 24, a push rod 25 and a spring 26, wherein the top cover 24 covers the upper end of the shovel top block 23, the top cover 24 is provided with a first limiting inclined surface 241 and a second limiting inclined surface 242, the first limiting inclined surface 241 and the second limiting inclined surface 242 respectively form a first guide groove 243 and a second guide groove 244 with the first inclined shovel surface 231 and the second inclined shovel surface 232, the second side surface 2122 of the first push block 212 and the fourth side surface 2222 of the second push block 222 are respectively in sliding limiting connection with the first limiting inclined surface 241 and the second limiting inclined surface 242, and the first push block 212 and the second push block 222 are respectively in sliding matching connection with the first guide groove 243 and the second guide groove 244;
The push rod 25 is connected with the lower end of the shovel top block 23 through a spring 26;
A limiting convex ring 233 is arranged on the outer side face of the lower end of the shovel machine top block 23, a stroke limiting groove 14 is arranged at the lower end of the inner side of the hole wall of the base 10, and the limiting convex ring 233 is matched with the stroke limiting groove 14 in a limiting connection mode.
The embodiment has the following advantages:
1. The inner side hole back-off inner core pulling device comprises a base 10 and an inner core pulling mechanism 20, wherein the inner core pulling mechanism 20 comprises a first row position insert needle 21, a second row position insert needle 22 and a shovel machine top block 23, when the die is closed and poured, the first row position insert needle 21 and the second row position insert needle 22 respectively extend out of the outer side surface of the base 10 along a first inclined guide hole 12 and a second inclined guide hole 13 from the inner side hole wall of the base 10 to form inner side hole back-off of a product 30, when the die is opened, the shovel machine top block 23 moves upwards, the shovel machine top block 23 respectively shovels the first row position insert needle 21 and the second row position insert needle 22 through a first inclined shovel surface 231 and a second inclined shovel surface 232 to respectively shovel core pulling and slide along the first inclined guide hole 12 and the second inclined guide hole 13 into a slide hole 11, and demoulding is completed; the inner core-pulling device for the inner hole reverse buckle realizes the inner core-pulling demoulding of the inner hole reverse buckle product 30, has high yield, improves the production efficiency,
2. The first inclined guide hole 12 and the second inclined guide hole 13 are respectively inclined downwards from the inner side of the hole wall of the base 10 to the outer side of the hole wall of the base 10, and when the mold is released, the shovel top block 23 shovels the first row insert needle 21 and the second row insert needle 22 upwards to withdraw the core inwards, the first inclined guide hole 12 and the second inclined guide hole 13 are arranged into inclined holes inclined downwards, and the core withdrawing of the first row insert needle 21 and the second row insert needle 22 is easier.
3. The first inclined shovel surface 231 and the second inclined shovel surface 232 form a shovel top block 23 with an upward horn opening, so that the first row insert needle 21 and the second row insert needle 22 can be more easily shoveled to draw cores inwards.
4. The first oblique shovel surface 231 and the second oblique shovel surface 232 are perpendicular to the first oblique guide hole 12 and the second oblique guide hole 13 respectively, so that when the shovel top block 23 shovels the first row insert needle 21 and the second row insert needle 22 to draw cores inwards, resistance is smaller, and operation is more convenient.
5. The first slide insert pin 21 comprises a first slide insert pin 211 and a first push block 212, the second slide insert pin 22 comprises a second slide insert pin 221 and a second push block 222, and the first oblique shovel surface 231 and the second oblique shovel surface 232 shovel the first slide insert pin 211 and the second slide insert pin 221 through the first side surface 2121 and the third side surface 2221 to slide the cores inwards, so that the operation is more convenient and the labor is saved.
6. the first slider insert pin 211 passes through the first strip-shaped hole 2311 to be connected with the first inclined guide hole 12 in a sliding fit manner, the second slider insert pin 221 passes through the second strip-shaped hole 2321 to be connected with the second inclined guide hole 13 in a sliding fit manner, and the inclined shovel surfaces on both sides of the first strip-shaped hole 2311 and the second strip-shaped hole 2321 are used for shoveling the push block, so that both sides of the first side surface 2121 and the third side surface 2221 connected with the first slider insert pin 211 and the second slider insert pin 221 are simultaneously pushed under stress, the sliding stress of the first slider insert pin 211 and the second slider insert pin 221 on the first inclined guide hole 12 and the second inclined guide hole 13 is more balanced, and the core pulling yield is higher.
7. The inner core pulling mechanism 20 further includes a top cover 24, the top cover 24 has a first limiting inclined surface 241 and a second limiting inclined surface 242, the first limiting inclined surface 241 and the second limiting inclined surface 242 respectively limit the first pushing block 212 and the second pushing block 222, so that the first pushing block 212 and the second pushing block 222 slide along the first guide groove 243 and the second guide groove 244, and the structure of the inner core pulling mechanism 20 is more stable.
8. The push rod 25 pushes the shovel top block 23 to move up and down through the spring 26, and the shovel top block 23 is elastically stressed, so that core pulling is safer.
9. The limit convex ring 233 is arranged, the limit convex ring 233 is used for limiting the stroke of the shovel top block 23, and the phenomenon that the stroke of the inner core pulling mechanism 20 is too large is avoided.
the above are only specific embodiments of the present invention, and the protection scope of the present invention is not limited thereby; any replacement and improvement made on the basis of not violating the conception of the utility model belong to the protection scope of the utility model.
Claims (10)
1. The inner core pulling device is characterized by comprising a base and an inner core pulling mechanism, wherein a sliding hole is formed in the base, the inner core pulling mechanism is installed in the sliding hole and is connected with the sliding hole in a sliding mode, the inner core pulling mechanism comprises a first row embedding needle, a second row embedding needle and a shovel top block, a first oblique guide hole and a second oblique guide hole are formed in the hole walls of two sides of the base respectively, the first row embedding needle and the second row embedding needle penetrate through the first oblique guide hole and the second oblique guide hole from the inner side to the outer side of the hole walls respectively and are connected with the shovel top block in a sliding mode, the shovel top block is provided with a first oblique shovel surface and a second oblique shovel surface, and the first oblique shovel surface and the second oblique shovel surface are respectively connected with the first row embedding needle and the second row embedding needle in a shoveling mode in a matched mode.
2. The inside hole inverted inside core pulling device according to claim 1, wherein the first inclined guide hole and the second inclined guide hole are respectively inclined downward from an inside of the wall of the base hole to an outside of the wall of the base hole.
3. The inside hole back-off and inside core pulling device according to claim 2, wherein a distance between an upper end of the first slanted blade surface and an upper end of the second slanted blade surface is greater than a distance between a lower end of the first slanted blade surface and a lower end of the second slanted blade surface, and the first slanted blade surface and the second slanted blade surface are symmetrical to each other.
4. The inside hole inverted buckle inner core pulling device according to claim 3, wherein the first oblique shovel surface and the second oblique shovel surface are perpendicular to the first oblique guide hole and the second oblique guide hole, respectively.
5. The inside-hole inverted internal core pulling device according to any one of claims 1 to 4, wherein the first row insert pin comprises a first slide block insert pin and a first push block, two opposite side surfaces of the first push block comprise a first side surface and a second side surface, the first push block is connected with the first slide block insert through the first side surface, and the first side surface is connected with the first inclined shovel surface in a shoveling and sliding manner; the second slide block insert pin comprises a second slide block insert pin and a second push block, two opposite side surfaces of the second push block comprise a third side surface and a fourth side surface, the second push block is connected with the second slide block insert through the third side surface, and the third side surface is connected with the second inclined shovel surface in a shoveling and sliding fit mode.
6. The inside hole inverted buckle inner core pulling device according to claim 5, wherein a first strip-shaped hole and a second strip-shaped hole are respectively formed in the middle of the first oblique shovel surface and the middle of the second oblique shovel surface, the first slider insert pin penetrates through the first strip-shaped hole to be connected with the first oblique guide hole in a sliding fit mode, and the second slider insert pin penetrates through the second strip-shaped hole to be connected with the second oblique guide hole in a sliding fit mode.
7. The inside hole inverted buckle inner core-pulling device according to claim 6, wherein the first pushing block and the second pushing block are respectively cylindrical, the first side surface and the second side surface are respectively located on two opposite circular side surfaces of the first pushing block, and the third side surface and the fourth side surface are respectively located on two opposite circular side surfaces of the second pushing block.
8. The inside hole inverted inside core pulling device according to claim 5, wherein the inside hole inverted inside core pulling mechanism further comprises a top cover, the top cover covers an upper end of the shovel top block, the top cover is provided with a first limiting inclined surface and a second limiting inclined surface, the first limiting inclined surface and the second limiting inclined surface respectively form a first guide groove and a second guide groove with the first inclined shovel surface and the second inclined shovel surface, a second side surface of the first pushing block and a fourth side surface of the second pushing block are respectively in sliding limiting connection with the first limiting inclined surface and the second limiting inclined surface, and the first pushing block and the second pushing block are respectively in sliding fit connection with the first guide groove and the second guide groove.
9. the inside hole inverted inside core pulling device according to any one of claims 1 to 4, wherein the inside core pulling mechanism further comprises a push rod and a spring, and the push rod is connected with the lower end of the shovel top block through the spring.
10. The inside hole back-off inside core pulling device according to any one of claims 1 to 4, wherein a limiting convex ring is arranged on the outer side surface of the lower end of the shovel top block, a stroke limiting groove is arranged on the lower end of the inner side of the hole wall of the base, and the limiting convex ring is matched with the stroke limiting groove in limiting connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920371001.5U CN209755958U (en) | 2019-03-21 | 2019-03-21 | Inner core-pulling device with inner side hole reversely buckled |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920371001.5U CN209755958U (en) | 2019-03-21 | 2019-03-21 | Inner core-pulling device with inner side hole reversely buckled |
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| Publication Number | Publication Date |
|---|---|
| CN209755958U true CN209755958U (en) | 2019-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920371001.5U Expired - Fee Related CN209755958U (en) | 2019-03-21 | 2019-03-21 | Inner core-pulling device with inner side hole reversely buckled |
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| Country | Link |
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| CN (1) | CN209755958U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113669341A (en) * | 2021-08-16 | 2021-11-19 | 宁波珈多利机械有限公司 | Retaining ring anti-falling mechanism of constant velocity universal joint |
-
2019
- 2019-03-21 CN CN201920371001.5U patent/CN209755958U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113669341A (en) * | 2021-08-16 | 2021-11-19 | 宁波珈多利机械有限公司 | Retaining ring anti-falling mechanism of constant velocity universal joint |
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Granted publication date: 20191210 |