CN219588084U - Ball head type piston rod - Google Patents
Ball head type piston rod Download PDFInfo
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- CN219588084U CN219588084U CN202321040838.4U CN202321040838U CN219588084U CN 219588084 U CN219588084 U CN 219588084U CN 202321040838 U CN202321040838 U CN 202321040838U CN 219588084 U CN219588084 U CN 219588084U
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Abstract
The utility model discloses a ball-head type piston rod, which relates to the technical field of piston rods and comprises a detachable ball head assembly, wherein one end of the ball head assembly is provided with a rod body assembly with adjustable length, and one end of the rod body assembly, which is far away from the ball head assembly, is detachably provided with a rod end assembly; the ball head assembly comprises a ball head which is processed into a ball shape, and a connecting rod is fixedly arranged at one end of the ball head, which is close to the rod body assembly. According to the utility model, the inserted link is inserted into the mounting link, the limiting links are simultaneously inserted into the first limiting hole and the second limiting hole, the inserted link is limited by utilizing the prismatic shape of the limiting links so as to prevent the inserted link from falling off from the mounting link, and then the mounting link is mounted in one end of the first rod body, so that the ball head can be mounted, and therefore, when the ball head is damaged, only the damaged ball head needs to be replaced.
Description
Technical Field
The utility model relates to the technical field of piston rods, in particular to a ball-head type piston rod.
Background
The piston rod is a connecting component for supporting the piston to do work, and most of the piston rod is applied to the cylinder and cylinder motion executing component and is a motion component with frequent motion and high technical requirements. The bulb-type piston rod is different from the common piston rod in that one end of the bulb-type piston rod connected with the cylinder body is processed into a sphere shape so as to facilitate the installation of the whole piston rod.
Because the ball head of the ball head type piston rod is connected with the cylinder body, friction can be generated in the long-time working process, so that the ball head is easy to damage, but other parts of the piston rod can still be used continuously, and only the ball head needs to be replaced. However, most of the ball-head type piston rods in the prior art are integrally formed, such as the ball-head type piston rod provided in the publication No. CN201973229U, in which case the whole piston rod needs to be replaced if the ball head of the piston rod is worn, and the waste is relatively high; in addition, the length of the rod body of the piston rod in the prior art is certain, for example, the length of the rod body of the piston rod provided in the technical scheme and the publication number CN217177040U, CN218670022U cannot be adjusted, and the piston rod cannot be suitable for the inside of cylinders or cylinders with different lengths.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides the ball head type piston rod, the insert rod is inserted into the mounting rod, the limit rod is simultaneously inserted into the first limit hole and the second limit hole, the prismatic shape of the limit rod is utilized to limit the insert rod so as to prevent the insert rod from falling off from the mounting rod, and then the mounting rod is arranged in one end of the first rod body, so that the ball head can be mounted, and when the ball head is damaged, only the damaged ball head needs to be replaced.
(II) technical scheme
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the ball head type piston rod comprises a detachable ball head assembly, wherein one end of the ball head assembly is provided with a rod body assembly with adjustable length, and one end, far away from the ball head assembly, of the rod body assembly is detachably provided with a rod end assembly;
the ball head assembly comprises a ball head which is processed into a ball shape, a connecting rod is fixedly arranged at one end of the ball head, which is close to the rod body assembly, a conical cap is fixedly arranged at one end of the connecting rod, which is far away from the ball head, a trapezoidal table is fixedly arranged at one side of the conical cap, an installation rod is arranged at the outer end of the trapezoidal table, and the installation rod is in threaded connection with the inside of the rod body assembly;
the trapezoid table is kept away from the fixed inserted bar that is equipped with in one side of toper cap, two first spacing holes have been seted up on the inserted bar, the inside channel that holds the inserted bar of seting up of installation pole, the second spacing hole has been seted up on the installation pole, second spacing hole bottom is linked together with first spacing hole, first spacing hole and the inside grafting of second spacing hole have same prismatic gag lever post.
Preferably, a trapezoid groove for accommodating the trapezoid table is formed in one end, close to the trapezoid table, of the mounting rod.
Preferably, the shaft assembly comprises a first shaft, the first shaft is sleeved at the outer end of the mounting rod, the first shaft is connected with the mounting rod through threads, one end of the first shaft, which is far away from the ball head assembly, is provided with a plurality of second shafts, the number of the second shafts is flexibly set according to the length of a specific cylinder body or the length of a cylinder body, one end, which is close to the first shaft, of the second shaft is fixedly provided with a first connecting plug, one end, which is far away from the ball head assembly, of the first shaft and one end, which is far away from the first shaft, of the second shaft are all provided with connecting jacks used for accommodating the first connecting plugs, and the first connecting plugs are connected with the connecting jacks through threads.
Preferably, the diameters of the two ends of the conical cap are different, the diameter of one end, close to the connecting rod, of the conical cap is consistent with the diameter of the connecting rod, and the diameter of one end, far away from the connecting rod, of the conical cap is larger than the diameter of the mounting rod;
the diameter of the end, far away from the connecting rod, of the conical cap is consistent with that of the first rod body.
Preferably, the rod end assembly comprises a mounting seat, the mounting seat is arranged at one end of the second rod body far away from the first rod body, a second connecting plug is fixedly arranged at one side of the mounting seat close to the second rod body, and the second connecting plug is matched with the connecting jack and is in threaded connection with the connecting jack;
one end of the mounting seat, which is far away from the second connecting plug, is fixedly provided with a connecting ring.
Preferably, the diameter of the mounting seat is identical to the diameter of the second shaft, and the diameter of the second shaft is identical to the diameter of the first shaft, so that the outer appearance of the utility model is smooth by setting the diameters of the conical cap, the first shaft, the second shaft and the mounting seat to be identical.
(III) beneficial effects
Compared with the prior art, the utility model provides the ball-head type piston rod, which has the following beneficial effects:
1. the insert rod is inserted into the mounting rod, the limit rod is simultaneously inserted into the first limit hole and the second limit hole, the insert rod is limited by the prismatic shape of the limit rod so as to prevent the insert rod from falling off from the inside of the mounting rod, and then the mounting rod is mounted in one end of the first rod body, so that the ball head can be mounted.
2. The connecting jacks are formed in one end of the first rod body and one end of the second rod body, the first connecting plug is in threaded connection with the inside of the connecting jacks, so that the connection between the first rod body and the second rod body can be completed, and according to different lengths of the cylinder or the cylinder body, a proper number of second rod bodies can be spliced at one end, far away from the first rod body, of the second rod body for changing the whole length of the cylinder or the cylinder body, so that the cylinder or the cylinder body with different lengths can be suitable for.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is an exploded view of the present utility model;
FIG. 3 is an exploded view of the ball head assembly of the present utility model;
FIG. 4 is a rear view of FIG. 3 of the present utility model;
FIG. 5 is a cross-sectional view of a mounting bar of the present utility model;
fig. 6 is a schematic structural view of the second shaft, the first connection plug and the connection jack according to the present utility model.
In the figure:
the ball head assembly 1, the ball head 11, the connecting rod 12, the conical cap 13, the mounting rod 14, the 15 trapezoidal table, the 16 trapezoidal groove, the 17 inserted link, the 18 first limiting hole, the 19 second limiting hole and the 110 limiting rod;
2 shaft assembly, 21 first shaft, 22 second shaft, 23 first connection plug, 24 connection jack;
a 3 rod end assembly, a 31 mounting seat, a 32 second connecting plug, and a 33 connecting ring.
Detailed Description
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.
In order to overcome the defects in the prior art, as shown in fig. 1, the utility model provides a ball-head type piston rod, which comprises a detachable ball head assembly 1, wherein the damaged ball head assembly 1 can be independently replaced through the arranged ball head assembly 1, one end of the ball head assembly 1 is provided with a rod body assembly 2 with adjustable length, and the arranged rod body assembly 2 can expand the application range of the utility model, so that the utility model can be applied to cylinders or cylinders with different cylinder body lengths;
further, a rod end assembly 3 is detachably mounted at one end of the rod body assembly 2 far away from the ball head assembly 1, the rod end assembly 3 comprises a mounting seat 31, the mounting seat 31 is arranged at one end of the second rod body 22 far away from the first rod body 21, a second connecting plug 32 is fixedly arranged at one side of the mounting seat 31 near the second rod body 22, and the second connecting plug 32 is matched with the connecting jack 24 and is in threaded connection with the connecting jack 24; the end of the mounting seat 31 far away from the second connecting plug 32 is fixedly provided with a connecting ring 33, and the connecting ring 33 is used for connecting the utility model with a structure for driving the utility model to move in the cylinder body.
In order to be convenient for replacing the damaged ball head assembly 1, the specific structure of the ball head assembly 1 is shown in fig. 2-5, the ball head assembly 1 comprises a ball head 11 which is processed into a sphere, one end of the ball head 11, which is close to the shaft assembly 2, is fixedly provided with a connecting rod 12, one end of the connecting rod 12, which is far away from the ball head 11, is fixedly provided with a conical cap 13, one side of the conical cap 13 is fixedly provided with a trapezoidal table 15, and one side of the trapezoidal table 15, which is far away from the conical cap 13, is fixedly provided with a plug rod 17, so that when the ball head 11 is damaged, only the ball head 11, the connecting rod 12, the conical cap 13, the trapezoidal table 15 and the plug rod 17 are detached from the ball head assembly, and other complete structures are not required to be replaced, thereby avoiding waste;
in order to mount the ball 11 inside the shaft assembly 2, as shown in fig. 3-5, the outer end of the trapezoid table 15 is provided with a mounting rod 14, one end of the mounting rod 14, which is close to the trapezoid table 15, is provided with a trapezoid groove 16 for accommodating the trapezoid table 15, the mounting rod 14 is in threaded connection inside the shaft assembly 2, the mounting rod 14 is internally provided with a channel for accommodating the insert rod 17, the insert rod 17 is provided with two first limiting holes 18, the mounting rod 14 is provided with a second limiting hole 19, the bottom end of the second limiting hole 19 is communicated with the first limiting hole 18, the first limiting hole 18 and the second limiting hole 19 are internally inserted with a same prismatic limiting rod 110, and then the limiting rod 110 is simultaneously inserted into the second limiting hole 19 and the first limiting hole 18, so that the insert rod 17 can be fixed inside the mounting rod 14 under the limitation of the second limiting hole 19;
conversely, the insert rod 17 can be easily taken out from the mounting rod 14 by only pulling the limit rod 110 out of the first limit hole 18 and the second limit hole 19, so that the damaged ball 11 can be replaced.
Because the length of the cylinder body and the length of the cylinder body in real life have different specifications, in order to enable the utility model to be suitable for cylinders or cylinders with different lengths, as shown in fig. 2 and 6, the rod body assembly 2 comprises a first rod body 21, the first rod body 21 is sleeved at the outer end of the mounting rod 14, the first rod body 21 is in threaded connection with the mounting rod 14, one end of the first rod body 21 far away from the ball head assembly 1 is provided with a plurality of second rod bodies 22, the number of the second rod bodies 22 is flexibly set according to the specific cylinder body length or the cylinder body length, when the cylinder body length of the cylinder or the cylinder is longer, a plurality of second rod bodies 22 can be set according to actual needs, and conversely, when the cylinder body length of the cylinder or the cylinder is shorter, a plurality of second rod bodies 22 with fewer points can be set;
moreover, when the second shaft 22 and the first shaft 21 are connected, for convenience of connection, as shown in fig. 2, a first connection plug 23 is fixedly provided at an end of the second shaft 22 close to the first shaft 21, as shown in fig. 6, a connection jack 24 for accommodating the first connection plug 23 is machined at both an end of the first shaft 21 far from the ball head assembly 1 and an end of the second shaft 22 far from the first shaft 21, and the first connection plug 23 is connected with the connection jack 24 through threads, so that in the actual connection process, the connection jack 24 is only required to be inserted into the first connection plug 23 and screwed.
In addition, in the present utility model, the diameters of both ends of the tapered cap 13 are different, the diameter of the end of the tapered cap 13 near the connecting rod 12 is identical to the diameter of the connecting rod 12, the diameter of the end of the tapered cap 13 far from the connecting rod 12 is larger than the diameter of the mounting rod 14, the diameter of the end of the tapered cap 13 far from the connecting rod 12 is identical to the diameter of the first shaft 21, the diameter of the mounting seat 31 is identical to the diameter of the second shaft 22, and the diameter of the second shaft 22 is identical to the diameter of the first shaft 21, and the sizes of the tapered cap 13, the first shaft 21, the second shaft 22 and the mounting seat 31 are set to be identical in order to ensure the flatness of the appearance of the present utility model.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.
Claims (6)
1. A ball head type piston rod, which is characterized in that: the novel ball head comprises a detachable ball head assembly (1), wherein one end of the ball head assembly (1) is provided with a length-adjustable rod body assembly (2), and one end, far away from the ball head assembly (1), of the rod body assembly (2) is detachably provided with a rod end assembly (3);
the ball head assembly (1) comprises a ball head (11) which is processed into a ball shape, a connecting rod (12) is fixedly arranged at one end of the ball head (11) close to the rod body assembly (2), a conical cap (13) is fixedly arranged at one end of the connecting rod (12) far away from the ball head (11), a trapezoid table (15) is fixedly arranged at one side of the conical cap (13), a mounting rod (14) is arranged at the outer end of the trapezoid table (15), and the mounting rod (14) is in threaded connection with the interior of the rod body assembly (2);
the trapezoid table (15) is kept away from one side of toper cap (13) and is fixed to be equipped with inserted bar (17), two first spacing holes (18) have been seted up on inserted bar (17), the inside channel that holds inserted bar (17) of having seted up of installation pole (14), second spacing hole (19) have been seted up on installation pole (14), second spacing hole (19) bottom is linked together with first spacing hole (18), first spacing hole (18) and inside grafting of second spacing hole (19) have same prismatic gag lever post (110).
2. A ball-end piston as set forth in claim 1 wherein: one end of the mounting rod (14) close to the trapezoid table (15) is provided with a trapezoid groove (16) for accommodating the trapezoid table (15).
3. A ball-end piston as set forth in claim 1 wherein: the utility model provides a pole body subassembly (2) is including first pole body (21), first pole body (21) cover is at installation pole (14) outer end, first pole body (21) and installation pole (14) pass through threaded connection, the one end that bulb subassembly (1) was kept away from to first pole body (21) is equipped with a plurality of second pole bodies (22), the quantity of second pole body (22) is nimble to be set up according to specific hydro-cylinder body length or cylinder body length, the one end that second pole body (22) is close to first pole body (21) is fixed to be equipped with first connecting plug (23), the one end that bulb subassembly (1) was kept away from to first pole body (21) and the one end that first pole body (21) were kept away from to second pole body (22) all process and are used for holding connecting jack (24) of first connecting plug (23), connecting plug (23) and connecting jack (24) pass through threaded connection.
4. A ball-end piston as set forth in claim 3 wherein: the diameters of the two ends of the conical cap (13) are different, the diameter of one end of the conical cap (13) close to the connecting rod (12) is consistent with the diameter of the connecting rod (12), and the diameter of one end of the conical cap (13) far away from the connecting rod (12) is larger than the diameter of the mounting rod (14);
the diameter of the end, far away from the connecting rod (12), of the conical cap (13) is consistent with the diameter of the first rod body (21).
5. A ball-end piston as set forth in claim 4 wherein: the rod end assembly (3) comprises a mounting seat (31), the mounting seat (31) is arranged at one end, far away from the first rod body (21), of the second rod body (22), a second connecting plug (32) is fixedly arranged at one side, close to the second rod body (22), of the mounting seat (31), and the second connecting plug (32) is matched with the connecting jack (24) and is connected with the connecting jack (24) through threads;
one end of the mounting seat (31) far away from the second connecting plug (32) is fixedly provided with a connecting ring (33).
6. A ball-end piston as set forth in claim 5 wherein: the diameter of the mounting seat (31) is consistent with the diameter of the second rod body (22), and the diameter of the second rod body (22) is consistent with the diameter of the first rod body (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321040838.4U CN219588084U (en) | 2023-05-05 | 2023-05-05 | Ball head type piston rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321040838.4U CN219588084U (en) | 2023-05-05 | 2023-05-05 | Ball head type piston rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219588084U true CN219588084U (en) | 2023-08-25 |
Family
ID=87695785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321040838.4U Active CN219588084U (en) | 2023-05-05 | 2023-05-05 | Ball head type piston rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219588084U (en) |
-
2023
- 2023-05-05 CN CN202321040838.4U patent/CN219588084U/en active Active
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