CN217421848U - Detachable connecting rod connecting structure and connecting rod assembly with same - Google Patents

Detachable connecting rod connecting structure and connecting rod assembly with same Download PDF

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Publication number
CN217421848U
CN217421848U CN202220812480.1U CN202220812480U CN217421848U CN 217421848 U CN217421848 U CN 217421848U CN 202220812480 U CN202220812480 U CN 202220812480U CN 217421848 U CN217421848 U CN 217421848U
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China
Prior art keywords
connecting rod
rotating shaft
groove
detachable
fastener
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CN202220812480.1U
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Chinese (zh)
Inventor
冯元峰
王永梁
吴林林
王志禹
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Zhejiang Kaichuang Technology Co ltd
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Zhejiang Kaichuang Technology Co ltd
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Abstract

The utility model provides a can dismantle connecting rod connection structure and have its link assembly, relates to mechanical technical field, in particular to can dismantle connecting rod connection structure, should dismantle connecting rod connection structure and include connecting rod one, connecting rod two, the axis of rotation, the fastener, wherein, connecting rod one and axis of rotation rotatable coupling, can not rotate relatively between connecting rod two and the axis of rotation. This application connecting rod connection structure and link assembly have can dismantle and easy maintenance low in production cost's advantage.

Description

Detachable connecting rod connecting structure and connecting rod assembly with same
Technical Field
The application relates to the technical field of machinery, in particular to a detachable connecting rod connecting structure and a connecting rod assembly with the same.
Background
The function frame is used for sofa at present for many link mechanism combinations, and the connecting rod is conventional panel beating stamping forming, and the connecting rod both ends are provided with the round hole, form the many link mechanism of functions such as rotatable, translation, extension through the rivet with a plurality of connecting rods riveting to realize functions such as the rotation of sofa, removal, extension.
The existing connecting rod mechanism mainly uses large and small rod flange rivets to punch and expand the small rod ends of the rivets through a punching rivet machine in the assembling process so as to rivet the rivets tightly on the small-hole connecting rods, and the large-hole connecting rods can rotate around the large rods on the basis of the large rivet rods.
Chinese patent No. CN202831928U discloses a sliding brace hinge with five-bar linkage structure, in which the connecting bars are riveted by rivets, so as to improve the bearing capacity and wear resistance of the sliding block, and ensure that the sliding block does not separate from the sliding rail due to extra stress or abrasion.
In the above related art, the inventors have found that at least the following problems exist: the mode is not freely detachable, when the riveting is wrong, the rivet is removed by a riveter or the rivet is taken out after the rear end of the small rod is polished by a polisher, and the connecting rod is extremely easy to damage in the process to cause scrapping; when the function frame flows to a sofa factory or a customer home, if the problem that the function frame has the problem that a connecting rod deforms or breaks in the transportation process occurs, only the whole function frame can be scrapped and replaced by a new function frame. Both of the above two cases are time consuming and labor intensive.
In view of the above problems, it is necessary to develop a new connecting rod connecting structure.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem that a connecting rod mechanism can be conveniently detached and is convenient to replace and maintain, the application provides a detachable connecting rod connecting structure and a connecting rod assembly with the same.
The application provides a can dismantle connecting rod connection structure adopts following technical scheme: a detachable connecting rod connecting structure comprises a first connecting rod and a second connecting rod, wherein the first connecting rod and the second connecting rod are provided with through holes. The structure further includes: the rotating shaft penetrates through the through hole of the first connecting rod and is abutted against the second connecting rod; the fastener is detachably fixed with the rotating shaft; the first connecting rod is rotatably connected with the rotating shaft, and the second connecting rod is positioned between the rotating shaft and the fastening piece and cannot rotate relative to the rotating shaft.
In order to ensure that the second connecting rod and the rotating shaft cannot rotate, the second connecting rod and the rotating shaft are in tight contact through the action of the fastening piece, and the second connecting rod and the rotating shaft cannot rotate relative to each other through the friction force between the second connecting rod and the rotating shaft, so that the problem that the fastening piece is loosened due to relative rotation is solved.
Through adopting above-mentioned technical scheme, in order to guarantee to fix more reliably between connecting rod two and the axis of rotation, further optimization scheme is equipped with the recess on connecting rod two, the axis of rotation is equipped with the convex part with recess matched with, the convex part is at least partly located in the recess and restriction connecting rod two rotates with the axis of rotation relative. In another alternative form, the second connecting rod is provided with a convex part, the rotating shaft is provided with a groove matched with the convex part, and the convex part is at least partially positioned in the groove and limits the relative rotation of the second connecting rod and the rotating shaft. The groove is designed to be polygonal, the convex part is designed to be a structure matched with the shape of the groove, and the top surface of the convex part is abutted to the bottom surface of the groove. The shape of the groove can be pentagonal, hexagonal or octagonal, and from the aspects of processing, production and manufacturing cost and convenience, the groove is preferably quadrangular, the convex part is preferably quadrangular with the same shape as the groove, and the convex part is positioned in the groove and has a gap at the periphery for convenient assembly. The recesses and projections can also be designed to fit tightly, which, although the assembly is poor, results in a significant improvement in reliability. The specific application can be selected according to the design and production requirements of the product.
In the actual production process, the through hole of the first connecting rod is formed in a punching mode, so that the precision of the through hole is not high, burrs can exist, and the rotation flexibility of the first connecting rod on the rotating shaft is affected. In order to solve the problem, a shaft sleeve is arranged between the rotating shaft and the through hole of the first connecting rod, and the shaft sleeve is convenient to rotate smoothly between the first connecting rod and the rotating shaft. The shaft sleeve can be made of metal materials or low-friction plastic materials, and POM materials with good wear resistance and low friction coefficient can be particularly adopted when the shaft sleeve is made of the plastic materials.
In order to prevent the first connecting rod and the second connecting rod from rubbing each other to influence the flexibility of rotation in the relative rotation process, a further solution is that the connecting rod connecting structure is further provided with a gasket, the gasket is sleeved on the periphery of the rotating shaft and is positioned between the first connecting rod and the second connecting rod, and the gasket is used for reducing the rotation resistance between the first connecting rod and the second connecting rod. The gasket can be made of metal materials or low-friction plastic materials, and when the gasket is made of the plastic materials, POM materials with good wear resistance and low friction coefficient can be particularly adopted.
In order to facilitate disassembly, in a further scheme, the fastening piece is provided with external threads, the rotating shaft is provided with internal threads, and the external thread part of the fastening piece penetrates through the through hole of the second connecting rod and is fixedly connected with the internal threads of the rotating shaft. In another variant, the fastener is provided with internal threads, the rotating shaft is provided with external threads, and the external thread part of the rotating shaft penetrates through the through hole of the second connecting rod to be connected and fixed with the internal threads of the fastener.
The utility model also discloses a link assembly, include two as above at least detachable connecting rod connection structure.
In summary, the present application has the following beneficial effects:
1. the utility model discloses a connecting rod connection structure adopts detachable connection structure, can realize assembling on the assembly line, and the production planning of being convenient for arranges, has improved production efficiency.
2. The utility model discloses a connecting rod connection structure adopts detachable connection structure, when the production equipment, if found the defective work can be convenient for quick replacement, reduces the loss and scrap.
3. The utility model discloses a connecting rod connection structure adopts detachable connection structure, when after sales maintenance service, can change to single part, need not change a whole set of link assembly, has improved maintenance efficiency and has reduced the degree of difficulty and the cost of changing simultaneously.
4. The utility model discloses a connecting rod connection structure has increased axle sleeve and packing ring, has improved link mechanism's rotation flexibility, also can reduce the machining precision requirement of single connecting rod part, and production efficiency is higher, and the cost is lower.
5. The utility model discloses a cooperation structure through recess and convex part between connecting rod connection structure axis of rotation and the connecting rod two makes connection between the two more firm, can not appear the condition that the time was of a specified duration produced relative slip.
6. The utility model discloses a connecting rod connection structure has adopted axle sleeve and packing ring to reduce the friction, adopts recess and convex part structure cooperation between axis of rotation and the connecting rod two, has obviously reduced the pine of link assembly in the use and has taken off probably, has guaranteed the stability of product.
7. The utility model discloses an adopt threaded connection between connecting rod connection structure axis of rotation and the fastener, it is more convenient to dismantle, and the production is stronger with the higher accessory commonality of after-sales maintenance efficiency.
Drawings
Fig. 1 is an exploded schematic view of a first embodiment of the present application;
FIG. 2 is a top view of the first embodiment of the present application;
FIG. 3 is a schematic cross-sectional view taken at A in FIG. 2;
FIG. 4 is an exploded view of the second embodiment of the present application;
FIG. 5 is a schematic cross-sectional view of a second embodiment of the present application;
FIG. 6 is an exploded view of the third embodiment of the present application;
FIG. 7 is a schematic cross-sectional view of a third embodiment of the present application;
FIG. 8 is an exploded view of the fourth embodiment of the present application;
FIG. 9 is a schematic cross-sectional view of example four of the present application;
FIG. 10 is a schematic illustration of a connecting rod assembly according to the present application.
In the drawings:
1. a first connecting rod; 2. a rotating shaft; 3. a through hole of the connecting rod; 4. a second connecting rod; 5. a fastener; 6. a second connecting rod through hole; 7. a shaft sleeve; 8. a gasket; 9. a protrusion; 10. and (4) a groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The features in the embodiments described below may be combined with each other without conflict.
Example 1:
as shown in fig. 1, 2 and 3, a detachable connecting rod connecting structure comprises a first connecting rod 1 and a second connecting rod 4, wherein the first connecting rod 1 is provided with a first connecting rod through hole 3, and the second connecting rod 4 is provided with a second connecting rod through hole 6. The structure further includes: the rotating shaft 2 penetrates through the first connecting rod through hole 3 and is abutted to the second connecting rod 4; the fastener 5 is detachably fixed with the rotating shaft 2, and the fastener 5 is fixedly connected with the rotating shaft 2 through threads; wherein, a gap is arranged between the first connecting rod 1 and the rotating shaft 2, so that the first connecting rod 1 and the rotating shaft can rotate mutually; the second connecting rod 4 is located between the rotating shaft 2 and the fastening member 5, and because the second connecting rod 4 is clamped and fixed by the rotating shaft 2 and the fastening member 5, the second connecting rod 4 cannot rotate relative to the rotating shaft 2.
In order to ensure that the connecting rod II 4 and the rotating shaft 2 cannot rotate, the connecting rod II 4 and the rotating shaft 2 are tightly contacted and pressed through the action of the fastening piece 5, and the connecting rod II 4 and the rotating shaft 2 cannot rotate relatively through the friction force between the connecting rod II 4 and the rotating shaft 2, so that the problem that the fastening piece 5 is loosened due to relative rotation is prevented.
In order to facilitate disassembly, the fastening piece 5 is provided with an external thread, the rotating shaft 2 is provided with an internal thread, and the external thread part of the fastening piece 5 penetrates through the two connecting rod through holes 6 to be connected and fixed with the internal thread of the rotating shaft 2. The fastener 5 can be designed according to production and processing requirements, namely the fastener is a nut, the rotating shaft 2 is provided with external threads, namely the rotating shaft is provided with a stud, and the external thread part of the rotating shaft 2 penetrates through the two connecting rod through holes 6 to be connected and fixed with the internal threads of the fastener 5.
During production and assembly, the rotating shaft 2 penetrates through the first connecting rod through hole 3 of the first connecting rod 1, the end face of the rotating shaft 2 abuts against the end face outside the second connecting rod through hole 6 of the second connecting rod 4, and the fastening piece 5 penetrates through the second connecting rod through hole 6 and is screwed into the threaded hole of the rotating shaft 2 to clamp and fix the second connecting rod 4. In order to prevent the fastener 5 from loosening, the fastener 5 can be screwed into the threaded hole of the rotating shaft 2 after being sleeved with a spring washer, or the fastener 5 can be sleeved with a check washer, or the threaded hole can be fastened by adding detachable screw glue. When needing to dismantle, rotatory the pulling down of fastener 5, relevant accessory dismantlement in proper order can.
Example 2:
as shown in fig. 4 and 5, the difference from embodiment 1 is that in the actual production process, the connecting rod-through hole 3 is formed by press forming, so the precision of the through hole is not high, and burrs are generated, which affect the flexibility of the connecting rod-1 in the rotation of the rotating shaft 2. In order to solve the problem, a shaft sleeve 7 is arranged between the rotating shaft 2 and the first connecting rod through hole 3, the shaft sleeve 7 is convenient for the smooth rotation between the first connecting rod 1 and the rotating shaft 2, a gap is arranged between the first connecting rod 1 and the second connecting rod 4, and the first connecting rod 1 can move in the axial direction of the rotating shaft 2. The shaft sleeve 7 can be made of metal materials or low-friction plastic materials, and when the shaft sleeve is made of the plastic materials, POM materials or nylon materials with good wear resistance and low friction coefficient can be particularly adopted.
During production and assembly, the sleeve 7 is sleeved on the outer side of the rotating shaft 2 and penetrates through the first connecting rod through hole 3 of the first connecting rod 1, the end face of the rotating shaft 2 abuts against the end face of the outer portion of the second connecting rod through hole 6 of the second connecting rod 4, and the fastening piece 5 penetrates through the second connecting rod through hole 6 and is screwed into the threaded hole of the rotating shaft 2 to clamp and fix the second connecting rod 4. The height of the shaft sleeve 7 is preferably slightly more than the end surface of the first connecting rod 1, the height of the shaft sleeve 7 cannot exceed the end surface of the rotating shaft 2, which is abutted with the second connecting rod 4, because the shaft sleeve 7 is not used as a stress part for clamping the second connecting rod 4, and the second connecting rod 4 is clamped and fixed by the rotating shaft 2 and the fastener 5. In order to ensure the flexibility of rotation, a gap is arranged between the shaft sleeve 7 and the rotating shaft 2 and/or between the shaft sleeve 7 and the connecting rod I1. A gap is arranged between the first connecting rod 1 and the second connecting rod 4, the first connecting rod 1 can move in the axial direction of the rotating shaft 2, and when the first connecting rod 1 moves along the axial direction of the rotating shaft 2, the height of the shaft sleeve 7 is designed to be the height that the first connecting rod 1 cannot be separated from the shaft sleeve 7. In order to prevent the fastener 5 from loosening, the fastener 5 can be screwed into the threaded hole of the rotating shaft 2 after being sleeved with a spring washer, or the fastener 5 can be sleeved with a check washer, or the threaded hole can be fastened by adding detachable screw glue. When needing to dismantle, rotatory the pulling down of fastener 5, relevant accessory dismantlement in proper order can.
Example 3:
as shown in fig. 6 and 7, unlike embodiment 2, in order to prevent the first connecting rod 1 and the second connecting rod 4 from rubbing against each other during the relative rotation to affect the flexibility of the rotation, the connecting rod connecting structure is further provided with a washer 8, the washer 8 is sleeved on the periphery of the rotating shaft 2 and is located between the first connecting rod 1 and the second connecting rod 4, and the washer 8 is used for reducing the rotation resistance between the first connecting rod 1 and the second connecting rod 4. The gasket 8 can be made of metal material or low-friction plastic material, and when the gasket is made of plastic material, POM material with good wear resistance and low friction coefficient can be particularly adopted.
During production and assembly, the rotating shaft 2 is sleeved with the shaft sleeve 7 and penetrates through the first connecting rod through hole 3 of the first connecting rod 1, then the washer 8 is sleeved on the periphery of the rotating shaft 2, the end face of the rotating shaft 2 abuts against the end face outside the second connecting rod through hole 6 of the second connecting rod 4, and the fastener 5 penetrates through the second connecting rod through hole 6 and is screwed into the threaded hole of the rotating shaft 2 to clamp and fix the second connecting rod 4. The height of the shaft sleeve 7 is preferably slightly lower than the end face of the connecting rod one 1, and the height of the shaft sleeve 7 does not exceed the end face of the connecting rod one 1 to prevent the rotation of the connecting rod one 1 from being influenced. In order to ensure the flexibility of rotation, a gap is arranged between the washer 8 and the rotating shaft 2, and a gap is arranged between the shaft sleeve 7 and the rotating shaft 2 and/or between the shaft sleeve 7 and the connecting rod I1. The thickness of the washer 8 is smaller than the gap between the first link 1 and the second link 4, and the washer 8 can move in the axial direction of the rotating shaft 2. The height of the boss 7 is designed so that the link one 1 does not come off the boss 7 when the link one 1 moves axially along the rotation shaft 2. In order to prevent the fastener 5 from loosening, the fastener 5 may be sleeved with a spring washer and then screwed into the threaded hole of the rotating shaft 2, or the fastener 5 may be sleeved with a check washer, or the threaded hole may be fastened by applying a detachable screw glue. When needing to dismantle, rotatory the pulling down of fastener 5, relevant accessory dismantlement in proper order can.
Example 4:
as shown in fig. 8 and 9, different from embodiment 3, in order to ensure that the connection between the second connecting rod 4 and the rotating shaft 2 is more reliable, a groove 10 is provided on the second connecting rod 4, the rotating shaft 2 is provided with a protrusion 9 matching with the groove 10, the protrusion 9 is provided with a threaded hole, and the protrusion 9 is at least partially positioned in the groove 10 and limits the mutual rotation between the second connecting rod 4 and the rotating shaft 2. The groove 10 is designed to be polygonal, the bulge 9 is designed to be a structure matched with the shape of the groove 10, and the top surface of the bulge 9 is abutted to the bottom surface of the groove 10. The shape of the groove 10 can be pentagonal, hexagonal or octagonal, and from the viewpoint of processing and manufacturing cost and convenience, it is preferable that the groove 10 is quadrilateral, the protrusion 9 is designed to be quadrilateral with the same shape as the groove 10, and the protrusion 9 is positioned in the groove 10 with a gap at the periphery for convenient assembly. The recess 10 and the projection 9 can also be designed with a tight fit, although the assembly is poor, the reliability is significantly improved. The specific application can be selected according to the design and production requirements of the product. In order to prevent the rotating shaft 2 and the second connecting rod 4 from rotating relatively, the groove 10 can also be designed into a semicircle, and the bulge 9 is designed into the same semicircle for matching; or adopting a pin shaft or key form matching assembly. The groove 10 is connected with the second connecting rod through hole 6, the second connecting rod through hole 6 is machined firstly during machining, and then the groove 10 with a certain depth is machined, or the groove 10 can be integrally formed by stamping or casting. The groove 10 can also be designed as a through hole, that is, the groove 10 in this embodiment can be designed as a square through hole, which is more convenient to process, but it should be noted that when the groove 10 is designed as a through hole, the protrusion 9 is not designed to protrude higher than the surface of the connecting rod two 4 matched with the fastener 5 when assembling, because the protrusion 9 is too high, the connecting rod two 4 is easy to move, the operation is unstable and there is noise.
According to the requirement of production and processing, another alternative scheme can be adopted, the second connecting rod 4 is provided with a protrusion 9, the rotating shaft 2 is provided with a groove 10 matched with the protrusion 9, and the protrusion 9 is at least partially positioned in the groove 10 and limits the rotation between the second connecting rod 4 and the rotating shaft 2. Or the stud arranged on the bulge 9 penetrates through the second connecting rod through hole 6 and then is screwed and fixed with the fastening piece, and the fastening piece is a nut.
During production and assembly, the rotating shaft 2 is sleeved with the shaft sleeve 7 and penetrates through the first connecting rod through hole 3 of the first connecting rod 1, then the washer 8 is sleeved on the periphery of the rotating shaft 2, the bulge 9 of the rotating shaft 2 abuts against the groove 10, connected with the second connecting rod through hole 6, of the second connecting rod 4, and the fastener 5 penetrates through the second connecting rod through hole 6 and is screwed into the threaded hole of the rotating shaft 2 to clamp and fix the second connecting rod 4. The height of the shaft sleeve 7 is preferably slightly lower than the end face of the connecting rod one 1, and the height of the shaft sleeve 7 is preferably not more than the end face of the connecting rod one 1, so that the rotation of the connecting rod one 1 is prevented from being influenced. In order to ensure the flexibility of rotation, a gap is arranged between the washer 8 and the rotating shaft 2, and a gap is arranged between the shaft sleeve 7 and the rotating shaft 2 and/or between the shaft sleeve 7 and the connecting rod I1. The thickness of the washer 8 is smaller than the gap between the first link 1 and the second link 4, and the washer 8 can move in the axial direction of the rotating shaft 2. The height of the boss 7 is designed so that the link one 1 does not come off the boss 7 when the link one 1 moves axially along the rotation shaft 2. In order to prevent the fastener 5 from loosening, the fastener 5 may be sleeved with a spring washer and then screwed into the threaded hole of the rotating shaft 2, or the fastener 5 may be sleeved with a check washer, or the threaded hole may be fastened by adding a detachable screw glue. When needing to dismantle, rotatory the pulling down of fastener 5, relevant accessory dismantlement in proper order can.
Example 5:
a connecting rod assembly, as shown in FIG. 10, can achieve a specific function by assembling two detachable connecting rod connecting structures as described in the above embodiments together to form the connecting rod assembly. The detachable connecting rod connecting structures are connected end to end and are connected in a shaft mode through the rotating shaft 2 and the fastening piece 5 to form a ring shape.
This embodiment 5 is a four-bar linkage, and other forms of detachable multi-bar linkage can be formed according to the actual design function requirement.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that the present invention can be modified, replaced and modified in many ways without departing from the spirit and scope of the present invention.

Claims (10)

1. The utility model provides a can dismantle connecting rod connection structure, includes connecting rod one (1), connecting rod two (4), connecting rod one (1) and connecting rod two (4) are equipped with the through-hole, characterized by still includes:
the rotating shaft (2) penetrates through the through hole of the first connecting rod (1) and is abutted against the second connecting rod (4);
the fastener (5), the said fastener (5) is fixed with the said rotating shaft (2) removably;
the first connecting rod (1) is rotatably connected with the rotating shaft (2), and the second connecting rod (4) is located between the rotating shaft (2) and the fastening piece (5) and cannot rotate relative to the rotating shaft (2).
2. The detachable connecting rod connecting structure according to claim 1, wherein: the second connecting rod (4) is provided with a groove (10), the rotating shaft (2) is provided with a convex part matched with the groove (10), and at least part of the convex part is positioned in the groove (10) and limits the second connecting rod (4) and the rotating shaft (2) to rotate relatively.
3. The detachable connecting rod connecting structure according to claim 1, wherein: the second connecting rod (4) is provided with a convex part, the rotating shaft (2) is provided with a groove (10) matched with the convex part, and the convex part is at least partially positioned in the groove (10) and limits the relative rotation of the second connecting rod (4) and the rotating shaft (2).
4. The detachable connecting rod connecting structure according to claim 1, wherein: and a shaft sleeve (7) is arranged between the rotating shaft (2) and the through hole of the first connecting rod (1), and the shaft sleeve (7) is convenient to rotate smoothly between the first connecting rod (1) and the rotating shaft (2).
5. The detachable connecting rod connecting structure according to claim 1, wherein: still be equipped with packing ring (8), packing ring (8) cover is established in axis of rotation (2) periphery and is located between connecting rod one (1) and connecting rod two (4), packing ring (8) are used for reducing the rotational resistance between connecting rod one (1) and connecting rod two (4).
6. The detachable connecting rod connecting structure according to claim 1, wherein: fastener (5) are equipped with the external screw thread, axis of rotation (2) are equipped with the internal thread, fastener (5) external screw thread portion pass the through-hole of connecting rod two (4) with the female connection of axis of rotation (2) is fixed.
7. The detachable connecting rod connecting structure according to claim 1, wherein: fastener (5) are equipped with the internal thread, axis of rotation (2) are equipped with the external screw thread, axis of rotation (2) external screw thread portion pass the through-hole of connecting rod two (4) with the female connection of fastener (5) is fixed.
8. A detachable link connection structure according to claim 2 or 3, wherein: the groove (10) is polygonal, the convex part is designed into a structure which is matched with the shape of the groove (10), and the top surface of the convex part is abutted to the bottom surface of the groove (10).
9. The detachable connecting rod connecting structure according to claim 8, wherein: the groove (10) is quadrilateral, the convex part is designed into a quadrilateral with the same shape as the groove (10), and the convex part is positioned in the groove (10) and has a gap at the periphery.
10. A connecting rod component is characterized in that: comprising at least two detachable link connections according to any of claims 1 to 9.
CN202220812480.1U 2022-04-07 2022-04-07 Detachable connecting rod connecting structure and connecting rod assembly with same Active CN217421848U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220812480.1U CN217421848U (en) 2022-04-07 2022-04-07 Detachable connecting rod connecting structure and connecting rod assembly with same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220812480.1U CN217421848U (en) 2022-04-07 2022-04-07 Detachable connecting rod connecting structure and connecting rod assembly with same

Publications (1)

Publication Number Publication Date
CN217421848U true CN217421848U (en) 2022-09-13

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