CN215148736U - Eccentric shaft easy to clamp - Google Patents
Eccentric shaft easy to clamp Download PDFInfo
- Publication number
- CN215148736U CN215148736U CN202022960794.XU CN202022960794U CN215148736U CN 215148736 U CN215148736 U CN 215148736U CN 202022960794 U CN202022960794 U CN 202022960794U CN 215148736 U CN215148736 U CN 215148736U
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- eccentric shaft
- spring
- lower pressing
- pressing block
- block
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Abstract
The utility model relates to the technical field of eccentric shaft installation, in particular to an eccentric shaft easy to clamp, which comprises an eccentric shaft, the right end of the eccentric shaft is sleeved with an external connecting rod, the uppermost part and the bottom end of the eccentric shaft at the connecting end with the external connecting rod are provided with sliding grooves, the outer connecting rod is provided with a rectangular opening at the connecting part with the eccentric shaft in a penetrating way, the bottom of the chute is fixedly provided with a bottom plate, the bottom plate is fixedly connected with one end of the spring, the other end of the spring is fixedly arranged on the bottom surface of the lower pressing block, the middle position of the left side and the right side of the lower pressing block is fixedly provided with a sliding block I, and the eccentric shaft can be rapidly installed and disassembled by utilizing the spring rod capable of resetting and the flexible lower pressing block, and the clamping limiting effect is increased, the eccentric shaft is connected more stably, the mounting and the dismounting of people are facilitated, and the connection strength can be improved.
Description
Technical Field
The utility model relates to a technical field of eccentric shaft installation specifically is an eccentric shaft of easy centre gripping.
Background
In mechanical transmission, rotary motion becomes reciprocating linear motion or reciprocating linear motion becomes rotary motion, generally all utilize eccentric part to accomplish, general axle, can only drive the work piece rotation, but the eccentric shaft, not only can transmit the rotation, can also transmit the revolution simultaneously, some automobile model fan also can meet the installation of eccentric shaft when concatenation automobile model, eccentric shaft and output shaft in the automobile model all adopt threaded connection at present, threaded connection's mode is though convenient, owing to be rotatory mounting means, whether angle is correct after not well controlling the output shaft installation, and threaded connection appears becoming flexible easily in the rotatory in-process of eccentric shaft, in order to provide the eccentric shaft that the automobile model that is convenient for the installation and easily the centre gripping is fixed used, this utility model is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an eccentric shaft of easy centre gripping to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: an eccentric shaft easy to clamp comprises an eccentric shaft, an external connecting rod is sleeved at the right end of the eccentric shaft, sliding grooves are formed in the uppermost portion and the bottom end of the connecting end of the eccentric shaft and the external connecting rod, a rectangular opening is formed in the connecting portion of the external connecting rod and the eccentric shaft in a penetrating mode, a bottom plate is fixedly arranged at the bottom of the sliding grooves and fixedly connected with one end of a spring, the other end of the spring is fixedly arranged on the bottom surface of a lower pressing block, a sliding block I is fixedly arranged in the middle of the left side face and the right side face of the lower pressing block, the sliding block I and the lower pressing block are slidably arranged in the sliding grooves and are in seamless connection, the lower pressing block can penetrate through the rectangular opening formed in the surface of the external connecting rod, a groove is formed in the upper end of the lower pressing block, a connecting plate is fixedly arranged in the middle of the upper end face of the lower pressing block, a sliding rail is formed in the right side position of the connecting plate, and is communicated with the groove, the right side inner wall of recess and the one end fixed connection of spring rope, the other end of spring rope is fixed to be set up on the right side wall of spring beam, the fixed block that is provided with in the upper end rightmost side department of spring beam, the screw has been seted up to the left end of spring beam, and through screw and external pole fixed connection, the fixed block runs through and the screw thread is provided with the bolt.
Preferably, a round hole is formed in the middle position of the right side of the connecting plate in a penetrating mode, a nut is fixedly embedded in the middle position of the round hole, and the nut is in threaded connection with the bolt.
Preferably, the lower pressing block cannot be completely hidden in the sliding groove when only under the action of the spring, and the spring rod can be completely hidden in the groove under the traction of the spring rope.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a take-out extension rod, including the eccentric shaft, the eccentric shaft is connected with the lower briquetting, the lower briquetting that utilizes can reset can let us quick install and dismantle the eccentric shaft, and increased the spacing effect of joint, let more firm of eccentric shaft connection, both made things convenient for our installation and dismantlement, also can improve joint strength, when we need dismantle, only need loosen screw and bolt, the spring rod will reset under the effect of spring rope, tiny objects such as reuse toothpick press down the briquetting, just can relax take out extension rod.
Drawings
Fig. 1 is a front sectional view of the present invention;
FIG. 2 is an enlarged view of a portion of A in FIG. 1 according to the present invention;
fig. 3 is a partially enlarged view of B in fig. 2 according to the present invention.
In the figure: 1-eccentric shaft, 2-external connecting rod, 3-sliding chute I, 4-bottom plate, 5-spring, 6-lower pressing block, 7-sliding block I, 8-sliding chute II, 9-sliding block II, 10-spring rod, 11-screw, 12-sliding rail, 13-groove, 14-spring rope, 15-fixing block, 16-bolt, 17-connecting plate, 18-round hole and 19-nut.
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.
Please refer to fig. 1-3, the present invention provides a technical solution: an eccentric shaft easy to clamp comprises an eccentric shaft 1, an external connecting rod 2 is sleeved at the right end of the eccentric shaft 1, a sliding groove 3 is formed in the uppermost part and the bottom end of the connecting end of the eccentric shaft 1 and the external connecting rod 2, a rectangular opening is formed in the connecting end of the external connecting rod 2 and the eccentric shaft 1 in a penetrating mode, a bottom plate 4 is fixedly arranged at the bottom of the sliding groove 3, the bottom plate 4 is fixedly connected with one end of a spring 5, the other end of the spring 5 is fixedly arranged on the bottom surface of a lower pressing block 6, a sliding block I7 is fixedly arranged in the middle position of the left side surface and the right side surface of the lower pressing block 6, the sliding block I7 and the lower pressing block 6 are arranged in the sliding groove 3 in a sliding mode and are in seamless connection, the lower pressing block 6 can penetrate through the rectangular opening formed in the surface of the external connecting rod 2, a groove 13 is formed in the upper end of the lower pressing block 6, and the lower pressing block 6 cannot be completely hidden in the sliding groove 3 when only receiving the acting force of the spring 5, the spring rod 10 can be completely hidden in the groove 13 under the traction of the spring rope 14, a connecting plate 17 is fixedly arranged in the middle of the upper end surface of the lower pressing block 6, the lower pressing block 6 is provided with a slide rail 12 at the right side position of the connecting plate 17, the middle position of the right side of the connecting plate 17 is provided with a round hole 18, and a nut 19 is fixedly embedded in the middle of the round hole 18, the nut 19 is in threaded connection with the bolt 16, the slide rail 12 is communicated with a groove 13, the inner wall of the right side of the groove 13 is fixedly connected with one end of a spring rope 14, the other end of the spring rope 14 is fixedly arranged on the right side wall of the spring rod 10, the rightmost part of the upper end surface of the spring rod 10 is fixedly provided with a fixed block 15, the left end of the spring rod 10 is provided with a screw hole, and is fixedly connected with the external connecting rod 2 through a screw 11, and the fixing block 15 is penetrated through and is provided with a bolt 16 in a threaded manner.
The working principle is as follows: firstly, when the eccentric shaft 1 is connected with the external connecting rod 2, one end of the external connecting rod 2 with an inner groove is sleeved on the connecting end of the eccentric shaft 1, at the moment, because of the action of the spring 5, the upper end of the lower pressing block 6 is exposed out of the sliding groove I3, but under the action of the spring rope 14, the spring rod 10 is completely hidden in the sliding groove II 8, so that the lower pressing block 6 can be loosened when the external connecting rod 2 is sleeved on and pressed down and deeply sunk in the sliding groove I3, the lower pressing block 6 can be loosened when the sleeving is not obstructed any more, the lower pressing block 6 can be propped against the inner wall of the external connecting rod 2, after the external connecting rod 2 is sleeved together, the external connecting rod 2 is slowly rotated, the installation angle of the external connecting rod 2 is adjusted, when a rectangular opening formed in the external connecting rod 2 is overlapped with the lower pressing block 6, the lower pressing block 6 can be popped out of the sliding groove I3 under the action of the spring 5, and the upper end face of the lower pressing block 6 can penetrate through the rectangular opening of the external connecting rod 2 and be exposed out, then we move the fixing block 15 fixed on the spring rod 10 to the right, at this time, the spring rod 10 is tightly attached to the outer side wall of the extension rod 2, and the bolt 16 connected with the screw on the fixing block 15 is connected with the nut 19 in the connecting plate 17 by screw, until the screw hole on the left side of the spring rod 10 is aligned with the screw hole on the outer side wall of the extension rod 2, the spring rod 10 is fixed on the extension rod 2 by the screw 11, at this time, the lower pressing block 6 is clamped between the extension rod 2 and the eccentric shaft 1, the extension rod 2 is limited in the left-right direction, the extension rod 2 is limited in the vertical direction by the spring rod 10, then the spring rod 10 is fixed on the extension rod 2, it is ensured that the eccentric shaft 1 and the extension rod 2 can be fixed together by the lower pressing block 6, and when we need to disassemble, only need to loosen the screw 11 and the bolt 16, the spring rod 10 will be reset under the action of the spring rope 14, tiny objects such as reuse toothpick press down briquetting 6, just can relax take out extension rod 2, utilize the spring beam 10 that can reset and nimble lower briquetting 6 can let us quick install and dismantle eccentric shaft 1, and increased the spacing effect of joint, let eccentric shaft 1 connect more firm, both made things convenient for our installation and dismantlement, also can improve joint strength, above is exactly this utility model's theory of operation.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides an easy eccentric shaft of centre gripping, includes eccentric shaft (1), the right-hand member of eccentric shaft (1) has cup jointed extension rod (2), its characterized in that: the eccentric shaft (1) is provided with a sliding groove (3) at the uppermost part and the bottom end of the connecting end part of the eccentric shaft (2), the connecting part of the eccentric shaft (1) and the extension rod (2) is provided with a rectangular opening in a penetrating way, the bottom of the sliding groove (3) is fixedly provided with a bottom plate (4), the bottom plate (4) is fixedly connected with one end of a spring (5), the other end of the spring (5) is fixedly arranged on the bottom surface of a lower pressing block (6), a sliding block I (7) is fixedly arranged at the middle position of the left side and the right side of the lower pressing block (6), the sliding block I (7) and the lower pressing block (6) are slidably arranged in the sliding groove (3) and are in seamless connection, the lower pressing block (6) can penetrate through the rectangular opening formed in the surface of the extension rod (2), a groove (13) is formed in the upper end of the lower pressing block (6), and a connecting plate (17) is fixedly arranged at the middle position of the upper end surface of the lower pressing block (6), and the right side position that lies in connecting plate (17) has seted up slide rail (12) down briquetting (6), slide rail (12) communicate with each other with recess (13), the right side inner wall of recess (13) and the one end fixed connection of spring rope (14), the other end of spring rope (14) is fixed to be set up on the right side wall of spring beam (10), the up end rightmost department of spring beam (10) is fixed and is provided with fixed block (15), the screw has been seted up to the left end of spring beam (10), and through screw (11) and external connecting rod (2) fixed connection, fixed block (15) run through and the screw thread is provided with bolt (16).
2. An eccentric shaft susceptible to clamping as claimed in claim 1, wherein: round hole (18) have been seted up in the right side intermediate position of connecting plate (17) through, and the fixed nut (19) of inlaying in the intermediate position of round hole (18), nut (19) and bolt (16) threaded connection.
3. An eccentric shaft susceptible to clamping as claimed in claim 1, wherein: the lower pressing block (6) can not be completely hidden in the sliding groove (3) when only being acted by the spring (5), and the spring rod (10) can be completely hidden in the groove (13) under the traction of the spring rope (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022960794.XU CN215148736U (en) | 2020-12-09 | 2020-12-09 | Eccentric shaft easy to clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022960794.XU CN215148736U (en) | 2020-12-09 | 2020-12-09 | Eccentric shaft easy to clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215148736U true CN215148736U (en) | 2021-12-14 |
Family
ID=79378469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022960794.XU Active CN215148736U (en) | 2020-12-09 | 2020-12-09 | Eccentric shaft easy to clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215148736U (en) |
-
2020
- 2020-12-09 CN CN202022960794.XU patent/CN215148736U/en active Active
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