CN217481790U - Durable thread type connecting shaft - Google Patents
Durable thread type connecting shaft Download PDFInfo
- Publication number
- CN217481790U CN217481790U CN202220025931.7U CN202220025931U CN217481790U CN 217481790 U CN217481790 U CN 217481790U CN 202220025931 U CN202220025931 U CN 202220025931U CN 217481790 U CN217481790 U CN 217481790U
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- wall
- rod
- connecting rod
- fixing
- durable
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Abstract
The utility model relates to the technical field of mechanical equipment, a durable screw thread type connecting shaft, which comprises a top plate, wherein the outer wall of the top plate is connected with a screw, one side of the outer wall of the top plate is connected with a bottom plate, the inner wall of the bottom plate is provided with a connecting rod, the outer wall of the connecting rod is connected with a limiting seat, one end of the connecting rod is provided with a fixed sleeve, one end of the connecting rod is provided with a limiting rod, one side of the outer wall of the limiting seat is provided with a pin, the outer wall of the fixed plate is provided with an electric telescopic rod, the other end of the connecting rod is provided with a second external threaded rod, the outer wall of the connecting rod is provided with a movable sleeve, the outer wall of the movable sleeve is connected with a wear-resistant layer, the inner wall of the movable sleeve is provided with a first external threaded rod, one end of the first external threaded rod is provided with a first fixed rod, the device can change the length of the connecting shaft while not influencing the rotation of the connecting shaft.
Description
Technical Field
The utility model relates to the technical field of mechanical equipment, especially, relate to a durable's thread formula spiale.
Background
The shaft is a cylindrical object which is penetrated in the middle of a bearing or a wheel or a gear, but a small part of the shaft is square.
There are the following problems:
the spiale of current thread formula is when using, all is the fixed length and position, just need dismantle the spiale when the length of spiale needs to change, and it is very troublesome to dismantle simultaneously, often dismantles and can cause the damage to the spiale, makes the life reduction of spiale.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a durable thread type connecting shaft.
In order to achieve the above purpose, the utility model adopts the following technical scheme: comprises a top plate, the outer wall of the top plate is connected with a screw, one side of the outer wall of the top plate is connected with a bottom plate, the inner wall of the bottom plate is provided with a connecting rod, the outer wall of the connecting rod is connected with a limiting seat, one end of the connecting rod is provided with a fixed sleeve, one end of the connecting rod is provided with a limiting rod, one side of the outer wall of the limiting seat is provided with a fixed plate, the other side of the outer wall of the limiting seat is provided with a pin, the outer wall of the fixed plate is provided with an electric telescopic rod, the other end of the connecting rod is provided with a second outer threaded rod, the outer wall of the connecting rod is provided with a movable sleeve, the outer wall of the movable sleeve is connected with a wear-resistant layer, the inner wall of the movable sleeve is provided with a first external thread rod, one end of the first external thread rod is provided with a first fixing rod, and one end of the first external thread rod is provided with a second fixing rod.
As a further description of the above technical solution:
the movable sleeve is provided with two groups, the outer walls of the two movable sleeves are bonded on the inner wall of the wear-resistant layer, and the movable sleeve is located between the first fixed rod and the second fixed rod.
As a further description of the above technical solution:
the first fixing rod and the second fixing rod are the same in size, and the first external thread rod at one end of the first fixing rod is opposite to the first external thread rod at one end of the second fixing rod in thread.
As a further description of the above technical solution:
the one end of connecting rod and connecting rod all welds in the one end of the outer threaded rod of second, the connecting rod is opposite with the outer threaded rod screw thread of second of connecting rod one end.
As a further description of the above technical solution:
the bottom of spacing seat all welds in the outer wall of connecting rod and connecting rod, spacing seat, pin all establish a plurality ofly altogether, two the outer wall of pin all is in one side of fixed plate outer wall through the inside swing joint of spacing seat.
As a further description of the above technical solution:
electric telescopic handle is equipped with two sets ofly altogether, two electric telescopic handle's both ends all weld in the relative one side of fixed plate outer wall.
As a further description of the above technical solution:
the screw is equipped with a plurality ofly altogether, roof and bottom plate carry out threaded connection through the screw, the size of fixed cover is greater than the gag lever post, the inner wall activity of fixed cover cup joints the outer wall at the gag lever post.
The utility model discloses following beneficial effect has:
the two movable sleeves can move the first fixed rod and the second fixed rod relatively when rotating, the position of the connecting shaft can be changed in a shrinkage mode, the position of the connecting shaft can be changed in a stretching mode when the two movable sleeves rotate reversely, and the length of the connecting shaft is changed
Can fix the position of fixed plate through spacing seat, make electric telescopic handle also can appear the change of position at the during operation, cause the spiale position when flexible to change, spacing seat can follow the rotation of connecting rod and rotate simultaneously.
Drawings
Fig. 1 is a front view of a durable screw coupling according to the present invention;
fig. 2 is a sectional view of a durable screw type coupling shaft according to the present invention;
fig. 3 is a side view of the durable screw type coupling of the present invention.
Illustration of the drawings:
1. a first fixing lever; 2. a wear layer; 3. a screw; 4. a movable sleeve; 5. a second fixing bar; 6. a connecting rod; 7. a top plate; 8. a connecting rod; 9. a base plate; 10. a limiting seat; 11. an electric telescopic rod; 12. a pin; 13. a first externally threaded rod; 14. a second outer threaded rod; 15. a limiting rod; 16. fixing a sleeve; 17. and (7) fixing the plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated 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.
Referring to fig. 1-3, the present invention provides an embodiment: including roof 7, the outer wall connection of roof 7 has screw 3, one side of roof 7 outer wall is connected with bottom plate 9, the inner wall of bottom plate 9 is provided with connecting rod 8, the inner wall of bottom plate 9 is provided with connecting rod 6, the outer wall connection of connecting rod 8 has spacing seat 10, the one end of connecting rod 8 is provided with fixed cover 16, the one end of connecting rod 6 is provided with gag lever post 15, the opposite side that one side of spacing seat 10 outer wall was provided with the spacing seat 10 outer wall of fixed plate 17 is provided with pin 12, fixed plate 17 outer wall is provided with electric telescopic handle 11, the other end of connecting rod 8 is provided with second external screw rod 14, the outer wall of connecting rod 8 is provided with movable sleeve 4, the outer wall connection of movable sleeve 4 has wearing layer 2, the inner wall of movable sleeve 4 is provided with first external screw rod 13, the one end of first external screw rod 13 is provided with first dead lever 1, the one end of first external screw rod 13 is provided with second dead lever 5.
Further, the movable sleeve 4 is equipped with two sets ofly altogether, and the outer wall of two movable sleeves 4 all bonds in the inner wall of wearing layer 2, and movable sleeve 4 all is located between first dead lever 1 and the second dead lever 5, and two movable sleeves 4 can be with the relative motion between first dead lever 1 and the second dead lever 5 when rotating, and the position of spiale can contract the change, can make the position of spiale stretch the change when two movable sleeves 4 antiport, changes the length of spiale.
Furthermore, the first fixing rod 1 and the second fixing rod 5 have the same size, the first external thread rod 13 at one end of the first fixing rod 1 and the first external thread rod 13 at one end of the second fixing rod 5 have opposite threads, and the threads of the first external thread rod 13 at one end of the first fixing rod 1 and the threads of one end of the second fixing rod 5 are opposite, so that the movable sleeve 4 cannot have the same thread teeth, the movable sleeve 4 can rotate instantly, and the length of the connecting shaft cannot be changed.
Further, the one end of connecting rod 8 and connecting rod 6 all welds in the one end of the outer threaded rod of second 14, and the outer threaded rod of second 14 screw threads of connecting rod 8 and connecting rod 6 one end are opposite, makes the movable sleeve 4 synchronous rotation can not appear when rotating, and spiale length changes, makes the spiale can't carry out the change of position, causes the waste of using of resources.
Further, the bottom of spacing seat 10 all welds in the outer wall of connecting rod 8 and connecting rod 6, spacing seat 10, pin 12 all establishes a plurality ofly altogether, the outer wall of two pin 12 all is in one side of fixed plate 17 outer wall through the inside swing joint of spacing seat 10, can fix the position of fixed plate 17 through spacing seat 10, make electric telescopic handle 11 also can appear the change of position at the during operation, cause the spiale position to change when flexible, spacing seat 10 can follow connecting rod 8's rotation and rotate simultaneously.
Further, electric telescopic handle 11 is equipped with two sets ofly altogether, and two electric telescopic handle 11's both ends all weld in the relative one side of fixed plate 17 outer wall, and two electric telescopic handle 11 can make the position between connecting rod 8 and the connecting rod 6 change, can also guarantee simultaneously that can synchronous rotation between connecting rod 8 and the connecting rod 6.
Further, screw 3 is equipped with a plurality ofly altogether, and roof 7 carries out threaded connection through screw 3 with bottom plate 9, and fixed cover 16's size is greater than gag lever post 15, and the outer wall at gag lever post 15 is cup jointed in the inner wall activity of fixed cover 16, uses screw 3 to carry out the definite and fixed of position with bottom plate 9 and roof 7, ensures that roof 7 and bottom plate 9 can not influence the rotation of spiale.
The working principle and the process are as follows: the connecting rod 8 is placed inside the bottom plate 7, the limiting seat 10 and the electric telescopic rod 11 are fixed to the outer wall of the connecting rod 8, the position is determined through the fixing sleeve 16 and the limiting rod 15, the movable sleeve 4 is sleeved between the second external threaded rod 14 and the first external threaded rod 13, the bottom plate 9 and the top plate 7 are fixed in position through threaded connection of the screw 3, and the length of the connecting shaft can be changed while the rotation of the connecting shaft is not influenced.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the principles of the present invention.
Claims (7)
1. The utility model provides a durable thread formula spiale, includes roof (7), its characterized in that: the outer wall of the top plate (7) is connected with a screw (3), one side of the outer wall of the top plate (7) is connected with a bottom plate (9), the inner wall of the bottom plate (9) is provided with a connecting rod (8), the inner wall of the bottom plate (9) is provided with a connecting rod (6), the outer wall of the connecting rod (8) is connected with a limiting seat (10), one end of the connecting rod (8) is provided with a fixing sleeve (16), one end of the connecting rod (6) is provided with a limiting rod (15), one side of the outer wall of the limiting seat (10) is provided with a fixing plate (17), the other side of the outer wall of the limiting seat (10) is provided with a pin (12), the outer wall of the fixing plate (17) is provided with an electric telescopic rod (11), the other end of the connecting rod (8) is provided with a second outer threaded rod (14), the outer wall of the connecting rod (8) is provided with a movable sleeve (4), the outer wall of the movable sleeve (4) is connected with a wear-resistant layer (2), the inner wall of the movable sleeve (4) is provided with a first external thread rod (13), one end of the first external thread rod (13) is provided with a first fixed rod (1), and one end of the first external thread rod (13) is provided with a second fixed rod (5).
2. A durable threaded coupling according to claim 1, wherein: the movable sleeve (4) is provided with two groups, the outer wall of each movable sleeve (4) is bonded to the inner wall of the wear-resistant layer (2), and the movable sleeves (4) are located between the first fixing rods (1) and the second fixing rods (5).
3. A durable threaded coupling according to claim 1, wherein: the first fixing rod (1) and the second fixing rod (5) are the same in size, and a first external thread rod (13) at one end of the first fixing rod (1) is opposite to the first external thread rod (13) at one end of the second fixing rod (5) in thread.
4. A durable threaded coupling according to claim 1, wherein: one end of each of the connecting rod (8) and the connecting rod (6) is welded at one end of the second outer threaded rod (14), and the threads of the second outer threaded rods (14) at one ends of the connecting rod (8) and the connecting rod (6) are opposite.
5. A durable threaded coupling according to claim 1, wherein: the bottom of spacing seat (10) all welds in the outer wall of connecting rod (8) and connecting rod (6), spacing seat (10), pin (12) all establish a plurality ofly, two the outer wall of pin (12) all is in one side of fixed plate (17) outer wall through the inside swing joint of spacing seat (10).
6. A durable threaded coupling according to claim 1, wherein: electric telescopic handle (11) are equipped with two sets ofly altogether, two the both ends of electric telescopic handle (11) all weld in fixed plate (17) one side that the outer wall is relative.
7. A durable threaded coupling according to claim 1, wherein: the screw (3) are provided with a plurality of screws, the top plate (7) and the bottom plate (9) are in threaded connection through the screws (3), the size of the fixed sleeve (16) is larger than the limiting rod (15), and the inner wall of the fixed sleeve (16) is movably sleeved on the outer wall of the limiting rod (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220025931.7U CN217481790U (en) | 2022-01-06 | 2022-01-06 | Durable thread type connecting shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220025931.7U CN217481790U (en) | 2022-01-06 | 2022-01-06 | Durable thread type connecting shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217481790U true CN217481790U (en) | 2022-09-23 |
Family
ID=83305011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220025931.7U Active CN217481790U (en) | 2022-01-06 | 2022-01-06 | Durable thread type connecting shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217481790U (en) |
-
2022
- 2022-01-06 CN CN202220025931.7U patent/CN217481790U/en active Active
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