Telescopic motor shaft connector

Abstract

The utility model discloses a telescopic motor shaft connector, and relates to the technical field of motor shafts. The sleeve is provided with an adjusting mechanism and a rotating shaft mechanism, the adjusting mechanism comprises a bidirectional assembly, an adjusting assembly and a clamping and locking assembly, the bidirectional assembly comprises a sliding block arranged in the sleeve, a first limiting groove is in sliding connection with a limiting piece, and a connecting rod is rotationally connected with a top block. Through the adjusting mechanism, the elastic acting force of the first spring and prismatic hinging of the two prismatic hinging frames are utilized, a worker only needs to press one clamping rod to drive the other clamping rod to be separated from the clamping hole and retract into the reserved groove, and the sleeve and the limiting rod are telescoped in cooperation with the rotating shaft mechanism; the clamping rod is clamped into the specific clamping hole to limit sliding of the sliding block, self-locking adjustment of the telescopic length between the sleeve and the limiting rod is completed, operation is easy and fast, meanwhile, device components are symmetrically and evenly distributed, the eccentric phenomenon is not prone to occurring during rotation, and the practicability of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to motor shaft technical field, especially, relate to a telescopic motor shaft connector. BACKGROUND

[0002] With the continuous development of industrialization, the requirement of mechanical transmission system gradually increases, especially in the equipment which needs high efficiency and stable operation, the design of bearing and transmission system becomes particularly important, and the performance and transmission efficiency of motor as an important part of transmission system directly affect the operation efficiency and stability of the whole mechanical equipment. In some application scenarios, the axial variation (such as thermal expansion, working load change, etc.) between motor and load may cause the problems such as misalignment, stress concentration or damage of transmission system. Therefore, it is an important technical requirement to develop a telescopic motor shaft which can adapt to axial telescopic and offset.

[0003] However, the structure of part of the telescopic motor shaft connector is relatively simple, after adjusting the telescopic length of the motor shaft, the staff usually uses bolts and nuts to limit and fix the telescopic length of the rotating shaft, at the same time, in order to ensure that the motor shaft rotation is not affected by the gravity of the additional bolt and eccentric phenomenon occurs, a large number of bolts need to be set on the motor shaft connector to ensure the balance of the motor shaft rotation, so that the staff needs to rotate the bolt frequently, which is time-consuming and laborious. UTILITY MODEL CONTENTS

[0004] The utility model discloses a telescopic motor shaft connector, which is provided with an adjusting mechanism, realizes the use of the elastic force of the first spring and the prismatic hinge of the two prismatic hinge frames, and the staff only needs to press one clamping rod to drive the other clamping rod to separate from the clamping hole and retract into the reserved groove. The clamping rod is clamped into the specific clamping hole to limit the sliding of the sliding block. The telescopic sleeve and the limiting rod are matched with the rotating shaft mechanism to complete the self-locking adjustment of the telescopic length between the sleeve and the limiting rod. The problem of using bolts and nuts to limit and fix the telescopic length of the rotating shaft is solved, and the operation is time-consuming and laborious.

[0005] To solve the above technical problems, the utility model is realized by the following technical schemes:

[0006] The utility model discloses a telescopic motor shaft connector, which is provided with an adjusting mechanism and a rotating shaft mechanism on the sleeve:

[0007] The adjusting mechanism comprises a bidirectional assembly, an adjusting assembly and a locking assembly, the bidirectional assembly comprises a slider arranged in a sleeve, the inner wall of the slider is provided with a plurality of first limiting grooves, the inner wall of each of the plurality of first limiting grooves is slidably connected with a limiting piece, the side of each of the plurality of limiting pieces close to each other is fixedly connected with a connecting rod, the outer wall of each of the plurality of connecting rods is hingedly connected with two prismatic hinged frames, and the outer wall of each of the two connecting rods on the upper side and the lower side is rotatably connected with a top block.

[0008] Further, the adjusting assembly comprises a first spring fixedly connected to the side of the two top blocks close to each other.

[0009] Further, the locking assembly comprises a sliding groove arranged on the inner wall of the sleeve, the inner wall of the sliding groove is provided with two reserved grooves, and the outer wall of the sleeve is provided with a plurality of clamping holes.

[0010] Further, the inner wall of the sliding groove is slidably connected with the outer wall of the slider, and the ends of the two clamping rods away from each other are extended to the inner wall of the two clamping holes on the left side and slidably connected with the clamping holes.

[0011] Further, the rotation shaft mechanism comprises a buffer assembly and a limiting assembly, the buffer assembly comprises a limiting rod fixedly connected to the right side of the slider, and the right side of the slider is fixedly connected with a second spring.

[0012] Further, the limiting assembly comprises a second limiting groove arranged on the right side of the sleeve, and the inner wall of the second limiting groove is slidably connected with the outer wall of the limiting rod.

[0013] Further, the outer wall of the limiting rod is slidably connected with the inner wall of the second limiting groove, the right end of the limiting rod is extended to the right side of the sleeve, and the right end of the limiting rod and the left side of the sleeve are fixedly connected with a fixed plate.

[0014] The utility model has the following beneficial effects:

[0015] 1. By setting the adjusting mechanism, the elastic force of the first spring and the prismatic hinge of the two prismatic hinged frames are utilized, the staff only needs to press one clamping rod to drive another clamping rod to separate from the clamping hole and retract into the reserved groove, the clamping rod is clamped into a specific clamping hole to limit the sliding of the slider, the telescopic sleeve and the limiting rod of the rotation shaft mechanism are used to complete the self-locking adjustment of the telescopic length between the sleeve and the limiting rod, the device components are symmetrical and uniform, eccentric phenomenon does not easily occur during rotation, and the practicability of the device is improved.

[0016] 2. By setting the rotating shaft mechanism, the limiting sliding between the limiting rod and the second limiting groove and the elastic buffering of the second spring are realized, so that personnel rotating the device is not easily affected by the outside world to cause eccentric wear of the device, the device is ensured to rotate stably, the self-locking adjustment of the adjusting mechanism is matched, and the practicality of the device is further improved.

[0017] Of course, it is not necessary for any product implementing the present application to achieve all the advantages mentioned above. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings described in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0019] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0020] Figure 2 It is a schematic diagram of the local explosion structure of the present application;

[0021] Figure 3 It is a schematic diagram of the front view cross-section structure of the present application;

[0022] Figure 4 It is a schematic diagram of the cross-section structure of the adjusting mechanism of the present application;

[0023] Figure 5 It is Figure 3 It is an enlarged structure schematic diagram of the middle A.

[0024] In the drawings, the component list represented by each number is as follows:

[0025] 1, sleeve; 2, adjusting mechanism; 3, rotating shaft mechanism; 21, sliding block; 22, first limiting groove; 23, limiting piece; 24, connecting rod; 25, prismatic hinged frame; 26, top block; 27, first spring; 28, clamping rod; 29, sliding groove; 210, reserved groove; 211, clamping hole; 31, limiting rod; 32, second spring; 33, second limiting groove; 34, fixed plate. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0027] Referring to Figures 1-5 The utility model discloses a telescopic motor shaft connector, including sleeve 1, be provided with adjusting mechanism 2 and pivot mechanism 3 on sleeve 1:

[0028] Adjusting mechanism 2 includes bidirectional assembly, adjusting assembly and locking assembly, bidirectional assembly includes the slider 21 being set in sleeve 1, the inner wall of slider 21 is opened with a plurality of first limit slot 22, the inner wall of a plurality of first limit slot 22 is slidably connected with the limit sheet 23, a plurality of limit sheet 23 mutually close one side is fixedly connected with the connecting rod 24, a plurality of connecting rod 24's outer wall is hinged with two prismatic hinged frame 25, the outer wall of the two connecting rod 24 located upside and downside is rotatably connected with the top block 26.

[0029] As shown in Figure 2 , Figure 3 , Figure 4 and Figure 5 , adjusting assembly includes the first spring 27 being fixedly connected on the mutually close one side of two top block 26, the outer wall of two top block 26 is fixedly connected with the clamping rod 28, locking assembly includes the sliding slot 29 being opened on the inner wall of sleeve 1, the inner wall of sliding slot 29 is opened with two reserved slots 210, the outer wall of sleeve 1 is opened with a plurality of clamping holes 211, the inner wall of sliding slot 29 is slidably connected with the outer wall of slider 21, and the end of two clamping rods 28 mutually far away is extended to the inner wall of left two clamping holes 211 and is slidably connected with clamping hole 211.

[0030] By setting adjusting mechanism 2, the elastic force of first spring 27 and the prismatic hinged of two prismatic hinged frames 25 are used to realize, staff only needs to press a clamping rod 28 to drive another clamping rod 28 to retract into the reserved slot 210 from clamping hole 211, cooperate pivot mechanism 3 telescopic sleeve 1 and limit rod 31, and the clamping rod 28 is clamped into the specific clamping hole 211 to limit the sliding of slider 21, the telescopic length between sleeve 1 and limit rod 31 is adjusted, and the practicability of the device is improved.

[0031] As shown in Figure 2 , Figure 3 and Figure 5As shown, the rotating shaft mechanism 3 comprises a buffer assembly and a limiting assembly. The buffer assembly comprises a limiting rod 31 fixedly connected to the right side of the sliding block 21. The right side of the sliding block 21 is fixedly connected with a second spring 32. The limiting assembly comprises a second limiting groove 33 formed in the right side of the sleeve 1. The inner wall of the second limiting groove 33 is in sliding connection with the outer wall of the limiting rod 31. The outer wall of the limiting rod 31 is in sliding connection with the inner wall of the second limiting groove 33. The right end of the limiting rod 31 extends to the right side of the sleeve 1. The right end of the limiting rod 31 and the left side of the sleeve 1 are both fixedly connected with a fixed plate 34.

[0032] By setting the rotating shaft mechanism 3, the limiting sliding between the limiting rod 31 and the second limiting groove 33 and the elastic buffering of the second spring 32 are achieved. This facilitates the rotation of the device without being easily affected by external factors to cause eccentric wear of the device, ensures the stable rotation of the device, and cooperates with the self-locking adjustment of the adjusting mechanism 2 to further improve the practicality of the device.

[0033] One specific application of the embodiment is: by setting the adjusting mechanism 2, cooperating with the two fixed plates 34 to fix the left side of the sleeve 1 and the right side of the limiting rod 31 on the shaft coupling of the motor output end and the mechanical load component respectively, when the length of the device needs to be adjusted, the staff only needs to press one clamping rod 28, make it slide into the reserved slot 210 from the clamping hole 211, then the clamping rod 28 presses the top block 26, drives the limiting piece 23 on both ends of the connecting rod 24 to slide in the first limiting slot 22, wherein the limiting piece 23 and the first limiting slot 22 are arranged to limit the connecting rod 24, one connecting rod 24 slides to the center of the sleeve 1, drives the corresponding prismatic hinge frame 25 to slide to the center, according to the geometric principle of the prismatic, the one end of the prismatic hinge frame 25 moves to the center, the opposite end moves to the center at the same time, and the connecting rod 24 connected with the left and right ends of the prismatic hinge frame 25 moves away from each other, so that the two top blocks 26 move close to each other and compress the first spring 27, completing the pressing of one clamping rod 28 to drive the two top blocks 26 to move close to each other, and the other clamping rod 28 slides into the reserved slot 210 to release the limiting of the sliding block 21, at this time personnel can stretch and contract the device through the rotating shaft mechanism 3, personnel can pull the sleeve 1 and the limiting rod 31, so that the limiting rod 31 drives the sliding block 21 to slide in the sliding groove 29, when the sliding block 21 moves to a specific position, the clamping rod 28 is aligned with the specific two clamping holes 211, the clamping rod 28 is released under the elastic recovery of the first spring 27, drives the clamping rod 28 to slide into the clamping hole 211 from the reserved slot 210 to complete the self-locking of the sliding block 21, realizes the use of the elastic force of the first spring 27 and the prismatic hinge of the two prismatic hinge frames 25, the staff only needs to press one clamping rod 28 to drive the other clamping rod 28 to separate from the clamping hole 211 and retract into the reserved slot 210, cooperate with the rotating shaft mechanism 3 to stretch and contract the sleeve 1 and the limiting rod 31, clamp the clamping rod 28 into the specific clamping hole 211 to limit the sliding of the sliding block 21, complete the self-locking adjustment of the stretching and contracting length between the sleeve 1 and the limiting rod 31, the operation is simple and fast, at the same time the device components are distributed symmetrically and uniformly, eccentric phenomenon does not easily occur during rotation, improves the practicability of the device.

[0034] By setting the rotating shaft mechanism 3, cooperating with the adjusting mechanism 2 to release the limiting of the sliding block 21, personnel can make the sliding block 21 slide in the sliding groove 29 by pulling the sleeve 1 and the limiting rod 31, at this time, the sliding block 21 slides and compresses the second spring 32, and the limiting rod 31 is attached to the inner wall of the second limiting groove 33 to slide, wherein the limiting rod 31 and the second limiting groove 33 are designed to be sawtooth-shaped on the surface, which are matched with each other, and the sleeve 1 and the limiting rod 31 are limited, which is convenient for driving each other to rotate, wherein two fixing plates 34 are arranged on the sleeve 1 and the limiting rod 31 respectively, which is convenient for fixing the device on the shaft coupling of the motor output end and the mechanical load component to complete the connection function, wherein the second spring 32 is arranged to stretch and contract the limiting rod 31 in the sleeve 1 to play a buffering role, avoiding the situation that the limiting rod 31 and the sleeve 1 are quickly stretched and contracted and abraded due to the impact of the device caused by the motor or the connecting piece failure, realizing the limiting sliding between the limiting rod 31 and the second limiting groove 33 and the elastic buffering of the second spring 32, which is convenient for personnel to rotate the device without being easily affected by the external environment to cause eccentric wear of the device, ensuring the stable rotation of the device, cooperating with the self-locking adjustment of the adjusting mechanism 2, and further improving the practicability of the device.

[0035] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0036] The preferred embodiments of the above disclosed application are only used to help explain the application. The preferred embodiments do not describe all the details, nor limit the application to the specific embodiments described. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the application, so that those skilled in the art can well understand and utilize the application. The application is limited by the claims and their entire scope and equivalents.

Claims

1. A retractable motor shaft connector, characterized in that, Including sleeve (1), be provided with adjusting mechanism (2) and pivot mechanism (3) on the sleeve (1): The adjusting mechanism (2) includes a bidirectional assembly, an adjusting assembly and a locking assembly, the bidirectional assembly includes a slider (21) provided in the sleeve (1), a plurality of first limiting grooves (22) are formed in the inner wall of the slider (21), the inner wall of each of the plurality of first limiting grooves (22) is slidably connected with a limiting piece (23), the side of each of the plurality of limiting pieces (23) close to each other is fixedly connected with a connecting rod (24), the outer wall of each of the plurality of connecting rods (24) is hingedly connected with two prismatic hinged frames (25), the outer wall of each of the two connecting rods (24) on the upper side and the lower side is rotatably connected with a top block (26).

2. A telescoping motor shaft coupling according to claim 1, wherein, The adjusting assembly includes a first spring (27) fixedly connected to the side of the two top blocks (26) close to each other, and a clamping rod (28) fixedly connected to the outer wall of each of the two top blocks (26).

3. A telescoping motor shaft coupling according to claim 2, wherein, The locking assembly includes a sliding groove (29) formed in the inner wall of the sleeve (1), two reserved grooves (210) are formed in the inner wall of the sliding groove (29), and a plurality of clamping holes (211) are formed in the outer wall of the sleeve (1).

4. A telescoping motor shaft coupling according to claim 3, wherein, The inner wall of the sliding groove (29) is slidably connected with the outer wall of the slider (21), and the ends of the two clamping rods (28) away from each other extend to the inner wall of the two clamping holes (211) on the left side and are slidably connected with the clamping holes (211).

5. A telescoping motor shaft coupling according to claim 4, wherein, The pivot mechanism (3) includes a buffer assembly and a limiting assembly, the buffer assembly includes a limiting rod (31) fixedly connected to the right side of the slider (21), and the right side of the slider (21) is fixedly connected with a second spring (32).

6. A telescoping motor shaft coupling according to claim 5, wherein, The limiting assembly includes a second limiting groove (33) formed on the right side of the sleeve (1), and the inner wall of the second limiting groove (33) is slidably connected with the outer wall of the limiting rod (31).

7. A telescoping motor shaft coupling according to claim 6, wherein, The outer wall of the limiting rod (31) is slidably connected with the inner wall of the second limiting groove (33), the right end of the limiting rod (31) extends to the right side of the sleeve (1), and the right end of the limiting rod (31) and the left side of the sleeve (1) are fixedly connected with a fixed plate (34).

Images