CN218971694U - Universal joint with elastic structure - Google Patents
Universal joint with elastic structure Download PDFInfo
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- CN218971694U CN218971694U CN202223475900.0U CN202223475900U CN218971694U CN 218971694 U CN218971694 U CN 218971694U CN 202223475900 U CN202223475900 U CN 202223475900U CN 218971694 U CN218971694 U CN 218971694U
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Abstract
The utility model provides a universal joint with an elastic structure, which comprises a front floating block, a first elastic component, a connecting component, a second elastic component and a culture Lin Zhuzhou, wherein the front floating block, the first elastic component, the connecting component, the second elastic component and the culture main shaft are sequentially arranged, the first elastic component is respectively connected with the front floating block and the connecting component, and the second elastic component is respectively connected with the connecting component and the culture main shaft. The beneficial effects of the utility model are as follows: can effectually solve universal joint among the prior art and have overall structure complicacy, processing cost is higher, is unfavorable for processing equipment to use popularization's problem, through using this product structure, the setting of first elastic component and second elastic component makes preceding slider, coupling assembling and banks up Lin Zhuzhou and can utilize elastic characteristic to swing and automatic re-set, and overall structure has simple structure simultaneously, and required installation component is less, reduces processing cost to be favorable to processing equipment's application popularization.
Description
Technical Field
The utility model relates to the technical field of bar stock machining clamps, in particular to a universal joint with an elastic structure.
Background
The drilling machine is a common device for machining and manufacturing, workpieces are drilled through rotation of the drilling bit, the drilling bit is divided into various types according to the use environment of the drilling bit, along with the fact that electronic products are lighter and thinner, specifications of PCB micro-drills are smaller and smaller successively, corresponding precision requirements on micro-drill grinding equipment are higher and higher, the drilling bit is formed by cutting and grinding the bars serving as raw materials on the equipment, the bars are usually clamped on a working head for machining, and the working head is used for clamping, rotating, indexing and the like of the workpieces.
In prior art, like patent CN201921544787.2 discloses a work head for grinding and cutting bar, in order to guarantee that the bar is accurate to rotate in the course of working, has promoted holistic concentricity and axiality greatly through the collocation of thimble, universal joint and section of thick bamboo frame use, and the universal joint comprises parts such as slider front bezel, slider, floating cultivation seat, main shaft and cultivation Lin Zujian, and overall structure is complicated, and processing cost is higher, is unfavorable for processing equipment to use popularization.
Disclosure of Invention
In order to solve the problems in the prior art, the utility model provides the universal joint with the elastic structure, and solves the problems that the universal joint in the prior art is complex in overall structure, high in processing cost and unfavorable for application and popularization of processing equipment.
The utility model relates to a universal joint with an elastic structure, which comprises a front floating block, a first elastic component, a connecting component, a second elastic component and a culture Lin Zhuzhou, wherein the front floating block, the first elastic component, the connecting component, the second elastic component and the culture Lin Zhuzhou are sequentially arranged, the first elastic component is respectively connected with the front floating block and the connecting component, the front floating block can swing relative to the connecting component under the action of the first elastic component, the front floating block can automatically reset through the first elastic component, the second elastic component is respectively connected with the connecting component and the culture Lin Zhuzhou, the connecting component can swing relative to the culture Lin Zhuzhou under the action of the second elastic component, and the connecting component can automatically reset through the second elastic component.
According to the utility model, the connecting assembly comprises at least two connecting fixing seats and at least one connecting elastic assembly, two sides of the connecting elastic assembly are respectively provided with one connecting fixing seat, the connecting elastic assembly is respectively connected with the adjacent connecting fixing seats, and the two groups of adjacent connecting fixing seats of the connecting elastic assembly can swing relatively.
According to the utility model, the number of the connecting fixing seats is three, the number of the connecting elastic assemblies is two, and the swinging directions of the connecting fixing seats and the adjacent two groups of connecting fixing seats are different.
The utility model further improves, the connecting elastic component comprises a connecting elastic piece and four mounting screws, four mounting holes are formed in the connecting elastic piece, the connecting elastic piece is connected with one connecting fixing seat through the mounting screws penetrating through the mounting holes on one group of diagonal corners, and the connecting elastic piece is connected with the other connecting fixing seat through the mounting screws penetrating through the mounting holes on the other group of diagonal corners.
The utility model further improves, the first elastic component comprises a first elastic sheet and four first connecting screws, the second elastic component comprises a second elastic sheet and four second connecting screws, four connecting holes are formed in the first elastic sheet and the second elastic sheet, the first elastic sheet is connected with the front floating block through the first connecting screws and penetrates through the connecting holes on one group of diagonal corners, the first elastic sheet is connected with one end of the connecting component through the first connecting screws and penetrates through the connecting holes on the other group of diagonal corners, the second elastic sheet is connected with the other end of the connecting component through the second connecting screws and penetrates through the connecting holes on the other group of diagonal corners, and the first elastic sheet is connected with the Pelin main shaft through the second connecting screws and penetrates through the connecting holes on the other group of diagonal corners.
According to the utility model, the first elastic sheet, the second elastic sheet and the connecting elastic sheet are made of titanium alloy.
According to the utility model, the front floating block, the connecting fixing seat and the Pelin main shaft are all provided with the clearance parts, and the clearance parts can give way for swinging among the parts.
According to the utility model, the end face of the front floating block facing the first elastic piece is provided with the connecting boss, the first elastic piece is connected with the connecting boss, and the space-avoiding effect can be achieved between the front floating block and the first elastic piece through the arrangement of the connecting boss.
According to the utility model, the mounting screw is sleeved with the mounting spacer ring, the mounting spacer ring can ensure that the connecting elastic piece and the connecting fixing seats on two sides generate certain intervals to conveniently swing, the first connecting screw is sleeved with the first spacer ring, the first spacer ring can ensure that the first elastic piece respectively generates certain intervals to conveniently swing with the front floating block and the connecting fixing seats, the second connecting screw is sleeved with the second spacer ring, and the second spacer ring can ensure that the second elastic piece respectively generates certain intervals to conveniently swing with the connecting fixing seats and the Pelin main shaft.
According to the utility model, the end surfaces at two ends of the connecting fixing seat are respectively provided with the void-avoiding groove, and the void-avoiding effect of the connecting fixing seat can be further heightened through the arrangement of the void-avoiding grooves.
Compared with the prior art, the utility model has the beneficial effects that: the utility model provides a universal joint with an elastic structure, which adopts a mechanism thereof, can effectively solve the problems that the universal joint in the prior art has a complex overall structure and higher processing cost and is not beneficial to the popularization of processing equipment, and by adopting the product structure, the arrangement of a first elastic component and a second elastic component enables a front floating block, a connecting component and a bolt Lin Zhuzhou to swing and automatically reset by utilizing the characteristic of elasticity, and meanwhile, the overall structure has a simple structure, fewer required installation parts and reduced processing cost and is beneficial to the popularization of the application of the processing equipment.
Drawings
For a clearer description of the present application or of the solutions of the prior art, a brief introduction will be given below to the drawings used in the description of the embodiments or of the prior art, it being apparent that the drawings in the description below are some embodiments of the present application, from which other drawings can be obtained, without the inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of an exploded structure of the present utility model.
Detailed Description
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the applications herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having" and any variations thereof in the description and claims of the present application and in the description of the figures above are intended to cover non-exclusive inclusions. The terms first, second and the like in the description and in the claims or in the above-described figures, are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
In order to better understand the technical solutions of the present application, the following description will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the accompanying drawings.
As shown in fig. 1-2, a gimbal with elastic construction according to the present utility model includes a front slider 1, a first elastic member 2, a connection member 3, a second elastic member 4, and a pencils main shaft 5.
The front floating block 1, the first elastic component 2, the connecting component 3 and the Pelin spindle 5 are all provided with ejector pin holes 6 matched with ejector pins in the bar clamping working head.
The connecting assembly 3 comprises three groups of connecting fixing seats and two groups of connecting elastic assemblies, wherein the connecting fixing seats and the connecting elastic assemblies are arranged in a staggered mode, and the connecting fixing seats are arranged on two sides of the connecting elastic assemblies.
The whole structure is more stable through staggered arrangement.
Through connecting the fixing base and connecting the crisscross setting of elastic component, two sets of connection fixing bases are through the elastic component effect of connecting between the fixing base of two sets of connections, can swing relatively.
The connection fixing base comprises a connection part 37 and a first clearance part 36, and the connection part 37 and the first clearance part 36 are intersected and arranged in a cross direction.
All the swinging angle ranges can be greatly covered through the cross arrangement, and swinging efficiency is improved.
The three sets of connecting holders and the two sets of connecting spring assemblies sequentially comprise a first connecting holder 31, a first connecting elastic assembly, a second connecting holder 32, a first connecting elastic assembly and a third connecting holder 33.
The setting through three group connection mount pad can satisfy bar anchor clamps and grind accurate rotation of angle, realizes the stepless swing regulation of angle.
The first connecting elastic component and the second connecting elastic component comprise a connecting elastic piece 34 and four mounting screws 35, four mounting holes are formed in the connecting elastic piece 34, the connecting elastic piece 34 penetrates through two mounting holes in one group of diagonal angles through the two mounting screws 35 to be connected with a connecting portion 37 of one connecting fixing seat, and the connecting elastic piece 34 penetrates through the other two mounting screws 35 to be connected with the connecting portion 37 of the other connecting fixing seat through the other group of diagonal angles through the mounting holes.
Four mounting screws 35 connected with the elastic sheet 34 are connected with the two groups of connecting fixing seats in pairs, so that the two adjacent groups of connecting fixing seats can swing relatively, and the swinging directions of the two adjacent groups of connecting fixing seats are mutually perpendicular.
However, because the elastic sheet is adopted as a middle piece, the elastic sheet can slightly swing in a non-vertical direction, so that the flexibility of the integral universal joint is improved.
In the first connection fixing base 31, the second connection fixing base 32 and the third connection fixing base 33, the connection parts 37 of the two similar groups of connection fixing bases are arranged in a staggered manner.
Through the setting of three group connection fixing bases, can high-efficient nimble arbitrary angle of swaing, compare in traditional universal joint and do not have the structure swing of this application universal joint nimble through two group's pelargonium subassemblies.
The front slider 1 and the Pelin spindle 5 are both provided with a fixing portion 12 and a second clearance portion 11, and the fixing portion 12 and the second clearance portion 11 are arranged in a cross-shaped direction.
All the swinging angle ranges can be greatly covered through the cross arrangement, and swinging efficiency is improved.
The first elastic component 2 comprises a first elastic sheet 21 and four first connecting screws 22, the second elastic component 4 comprises a second elastic sheet 41 and four second connecting screws 42, and four connecting holes are formed in the first elastic sheet 21 and the second elastic sheet 41.
The first elastic piece 21 is connected to the connection portion 37 of the first connection fixing base 31 through two first connection screws 22 passing through a set of connection holes on opposite corners, and the first elastic piece 21 is connected to the fixing portion 12 of the front slider 1 through another set of connection holes on opposite corners by another two first connection screws 22.
The front slider 1 and the first connection fixing base 31 can swing relatively by the four first connection screws 22 of the first elastic sheet 21, and the swing directions of the front slider 1 and the first connection fixing base 31 are mutually perpendicular.
However, because the elastic sheet is adopted as a middle piece, the elastic sheet can slightly swing in a non-vertical direction, so that the flexibility of the integral universal joint is improved.
The second elastic piece 41 is connected to the connection portion 37 of the third connection fixing base 33 through two second connection screws 42 passing through a set of connection holes on opposite corners, and the second elastic piece 41 is connected to the fixing portion 12 of the pekinetin main shaft 5 through another set of connection holes on opposite corners by two other second connection screws 42.
Four second connection screws 42 of the second elastic sheet 41 are respectively connected with the third connection fixing seat 33 and the penicillin main shaft 5 in pairs, so that the third connection fixing seat 33 and the penicillin main shaft 5 can swing relatively, and the swinging directions of the third connection fixing seat 33 and the penicillin main shaft 5 are mutually perpendicular.
However, because the elastic sheet is adopted as a middle piece, the elastic sheet can slightly swing in a non-vertical direction, so that the flexibility of the integral universal joint is improved.
The fixing portion 12 of the front slider 1 is disposed in a direction staggered from the direction in which the connecting portion 37 of the first connecting fixing base 31 is disposed.
The setting direction of the fixing part 12 of the pelin main shaft 5 is staggered with the setting direction of the connecting part 37 of the third connecting fixing seat 33.
The fixing parts 12 of the front floating block 1, the connecting parts 37 of the first connecting fixing seat 31, the connecting parts 37 of the second connecting fixing seat 32, the connecting parts 37 of the third connecting fixing seat 33 and the fixing parts 12 of the Pelin main shaft 5 are all arranged in a staggered mode, so that the universal joint can swing at any direction angle easily.
The first elastic sheet 21, the second elastic sheet 41 and the connecting elastic sheet 34 are made of titanium alloy, and the elastic sheet made of titanium alloy has the advantages of high strength, high toughness and obvious rebound, and can ensure that the elastic sheet is not deformed after long-term use.
Due to the obvious advantage of rebound, the reset can be automatically performed, and the use experience is higher.
The second clearance part 11 of the front floating block 1 is a clearance gap, the first clearance parts 36 of the first connecting fixing seat 31, the second connecting fixing seat 32 and the third connecting fixing seat 33 are clearance gaps, the shape of the clearance gap is similar to a circular gap, and the clearance effect can be effectively realized through the symmetrical arrangement of the two groups of clearance gaps.
The clearance portion of the pelin spindle 5 is a clearance groove, and the second elastic piece 41 is cleared from the movement by the clearance groove.
The end face of the front floating block 1 facing the first elastic piece 21 is provided with a connecting boss 13, the first elastic piece 21 is connected with the connecting boss 13, and the distance between the front floating block 1 and the first elastic piece 21 can be increased through the arrangement of the connecting boss 13, so that the effect of avoiding the air is improved.
The end surfaces at two ends of the connecting fixing seat are provided with the clearance grooves 38, and the distance between the connecting fixing seat and the first elastic piece 21 or the second elastic piece 41 or the connecting elastic piece 34 can be increased through the action of the clearance grooves 38, so that the clearance effect is improved.
The four groups of mounting screws 35 are respectively sleeved with a mounting spacing ring 39, and the relative distance between the connecting elastic piece 34 and two adjacent connecting fixing seats can be increased through the arrangement of the mounting spacing rings 39, so that the effect of avoiding the air is further improved, and the swinging effect of the connecting elastic piece 34 is facilitated.
The first connecting screw 22 is sleeved with the first spacing ring 23, the distance between the front floating block 1 and the first elastic piece 21 can be increased through the arrangement of the first spacing ring 23, and the distance between the first elastic piece 21 and the first connecting fixing seat 31 is increased, so that the effect of avoiding the air is further improved, and the effect of enabling the first elastic piece 21 to swing is facilitated.
The second spacer ring 43 is sleeved on the second connecting screw 42, and the distance between the third connecting fixing seat 33 and the second elastic piece 41 can be increased by setting the second spacer ring 43, so that the distance between the second elastic piece 41 and the Pelin main shaft 5 is increased, and the effect of avoiding the air is further improved, and the effect of facilitating the swing of the second elastic piece 41 is further improved.
On the basis that shell fragment swing angle is crisscross to be set up, can the efficient swing in cooperation foretell space-avoiding design structure to not receive the structure to get limited, use comparatively nimble, whole part exists a plurality of the same part combinations, and the processing cost is at the bottom, structural design is simple.
From the above, the beneficial effects of the utility model are as follows: by adopting the mechanism, the problems that the universal joint in the prior art is complex in overall structure, high in processing cost and unfavorable for processing equipment to be applied and popularized can be effectively solved, the front floating block 1, the connecting component 3 and the Pelin main shaft 5 can swing and automatically reset by utilizing the elastic characteristics through the arrangement of the first elastic component 2 and the second elastic component 4 by using the product structure, and meanwhile, the integral structure has the advantages of simple structure, fewer required mounting components, reduced processing cost and favorable for application and popularization of the processing equipment.
In the above embodiment, the connection fixing base includes the connection portion 37 and the void portion, the connection portion 37 and the void portion intersect to be set up in the cross direction, the front slider 1 and the peln spindle 5 are all provided with the fixing portion 12 and the void portion, the fixing portion 12 and the void portion intersect to be set up in the cross direction, the void portion of the front slider 1, the first connection fixing base 31, the second connection fixing base 32 and the third connection fixing base 33 is a void gap, the shape of the void gap is a similar circular gap, two groups of void gaps are provided on the void portion, two groups of void gaps are symmetrically set up, the way of realizing void by this structure can also be that the cross section of the front slider 1, the connection fixing base and the peln spindle 5 is in the shape of circular arc parts, the concave portion is the void portion of the shrapnel, and the technical effect of the above scheme can also be realized.
In the above-mentioned embodiment, coupling assembling 3 includes three connection fixing bases and two sets of connection elastic component, connect the fixing base and connect the crisscross setting of elastic component, and it all is provided with three connection fixing bases of connection fixing base and two sets of connection shell fragment subassemblies of connection elastic component both sides to guarantee to connect the elastic component both sides and set gradually including first connection fixing base 31, first connection elastic component, second connection fixing base 32, first connection elastic component and third connection fixing base 33, the setting through three sets of connection mount pad can satisfy bar anchor clamps and grind the accurate rotation of angle, realize the stepless swing of angle and adjust, realize the accurate rotation of bar anchor clamps grinding the angle obviously, realize the stepless swing of angle and adjust, the quantity of connection fixing base and connection elastic piece 34 does not limit the quantity of above-mentioned setting, still can carry out the increase in quantity according to actual product processing demand, the technological effect of above-mentioned scheme can be realized equally.
In the above embodiment, the four sets of mounting screws 35 are all sleeved with the mounting spacer ring 39, the relative distance between the connecting elastic piece 34 and the two adjacent connecting fixing seats can be increased through the arrangement of the mounting spacer ring 39, thereby further improving the effect of avoiding the air and the effect of conveniently connecting the elastic piece 34 to swing, the first connecting screw 22 is sleeved with the first spacer ring 23, the distance between the front floating block 1 and the first elastic piece 21 can be increased through the arrangement of the first spacer ring 23, the distance between the first elastic piece 21 and the first connecting fixing seat 31 is increased, thereby further improving the effect of avoiding the air and the effect of conveniently connecting the first elastic piece 21 to swing, the second connecting screw 42 is sleeved with the second spacer ring 43, the distance between the second elastic piece 41 and the main shaft 5 can be increased through the arrangement of the second spacer ring 43, thereby further improving the effect of avoiding the air and the effect of conveniently swinging the second elastic piece 41, the structure mode of improving the effect of avoiding the air through the arrangement of the spacer ring can be further improved, the effect of avoiding the air can be limited by the other positions of the floating blocks, the same can be also be improved, the effect of avoiding the air can be improved, the end face can be obviously improved, and the end face can be also be connected with the boss Lin Zhuzhou, and the same can be provided with the boss side can be provided with the same with the advantages.
The above embodiments are preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model, which includes but is not limited to the embodiments, and equivalent modifications according to the present utility model are within the scope of the present utility model.
Claims (10)
1. A universal joint having an elastic structure, characterized in that: including preceding slider, first elastic component, coupling assembling, second elastic component and the banked up Lin Zhuzhou that set gradually, first elastic component respectively with preceding slider with coupling assembling connects, preceding slider passes through first elastic component's effect can be relative coupling assembling swing, and preceding slider can pass through first elastic component automatic re-setting, second elastic component respectively with coupling assembling with banked up Lin Zhuzhou and be connected, coupling assembling passes through second elastic component's effect can be relative banked up Lin Zhuzhou swing, and coupling assembling can pass through second elastic component automatic re-setting.
2. The gimbal with elastic structure according to claim 1, wherein: the connecting assembly comprises at least two connecting fixing seats and at least one connecting elastic assembly, two sides of the connecting elastic assembly are respectively provided with one connecting fixing seat, the connecting elastic assembly is respectively connected with the adjacent connecting fixing seats, and the two adjacent groups of connecting fixing seats of the connecting elastic assembly can swing relatively.
3. The universal joint with elastic structure according to claim 2, characterized in that: the number of the connecting fixing seats is three, the number of the connecting elastic assemblies is two, and the swinging directions of the connecting fixing seats and the adjacent two groups of connecting fixing seats are different.
4. The universal joint with elastic structure according to claim 2, characterized in that: the connecting elastic assembly comprises a connecting elastic sheet and four mounting screws, wherein four mounting holes are formed in the connecting elastic sheet, the connecting elastic sheet penetrates through the mounting holes in one group of diagonal corners through the mounting screws to be connected with one connecting fixing base, and the connecting elastic sheet penetrates through the mounting holes in the other group of diagonal corners through the mounting screws to be connected with the other connecting fixing base.
5. The gimbal with elastic structure according to claim 4, wherein: the first elastic component comprises a first elastic sheet and four first connecting screws, the second elastic component comprises a second elastic sheet and four second connecting screws, four connecting holes are formed in the first elastic sheet and the second elastic sheet, the first elastic sheet penetrates through a group of connecting holes in the opposite angles through the first connecting screws to be connected with the front floating block, the first elastic sheet penetrates through another group of connecting holes in the opposite angles through the first connecting screws to be connected with one end of the connecting component, the second elastic sheet penetrates through a group of connecting holes in the opposite angles through the second connecting screws to be connected with the other end of the connecting component, and the first elastic sheet penetrates through another group of connecting holes in the opposite angles through the second connecting screws to be connected with the Pelin main shaft.
6. The gimbal with elastic structure according to claim 5, wherein: the first elastic sheet, the second elastic sheet and the connecting elastic sheet are all made of titanium alloy.
7. The gimbal with elastic structure according to claim 5, wherein: the front floating block, the connecting fixing seat and the Pelin spindle are all provided with a clearance part, and the clearance part can give way for swinging among all the components.
8. The gimbal with elastic structure according to claim 5, wherein: the front floating block faces the end face of the first elastic piece, the first elastic piece is connected with the connecting boss, and an empty avoiding effect can be achieved between the front floating block and the first elastic piece through the arrangement of the connecting boss.
9. The gimbal with elastic structure according to claim 5, wherein: the installation screw is gone up the cover and is equipped with the installation spacer ring, the installation spacer ring can be guaranteed connect the elastic piece and produce certain interval convenient swing with the connection fixing base of both sides, the cover is equipped with first spacer ring on the first connection screw, first spacer ring can be guaranteed first elastic piece respectively with preceding floating block with connect the fixing base and produce certain interval convenient swing, the cover is equipped with the second spacer ring on the second connection screw, the second spacer ring can be guaranteed the second elastic piece respectively with connect the fixing base with the cultivation main shaft produces certain interval convenient swing.
10. The gimbal with elastic structure according to claim 5, wherein: the terminal surface at connection fixing base both ends all is provided with keeps away the empty groove, can further increase through the setting of keeping away the empty groove the connection fixing base keeps away empty effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223475900.0U CN218971694U (en) | 2022-12-26 | 2022-12-26 | Universal joint with elastic structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223475900.0U CN218971694U (en) | 2022-12-26 | 2022-12-26 | Universal joint with elastic structure |
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| Publication Number | Publication Date |
|---|---|
| CN218971694U true CN218971694U (en) | 2023-05-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223475900.0U Active CN218971694U (en) | 2022-12-26 | 2022-12-26 | Universal joint with elastic structure |
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| Country | Link |
|---|---|
| CN (1) | CN218971694U (en) |
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- 2022-12-26 CN CN202223475900.0U patent/CN218971694U/en active Active
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