CN214788666U

CN214788666U - Adjustable coupler

Info

Publication number: CN214788666U
Application number: CN202121293355.6U
Authority: CN
Inventors: 李锡荣; 许佳
Original assignee: Shenzhen Zuoben Technology Co ltd
Current assignee: Shenzhen Zuoben Technology Co ltd
Priority date: 2021-06-09
Filing date: 2021-06-09
Publication date: 2021-11-19
Anticipated expiration: 2031-06-09

Abstract

The utility model relates to a mechanical transmission technical field, concretely relates to shaft coupling with adjustable, including power component, a connecting assembly is installed to power component's front side, power component includes a fixed cylinder, a cylindrical holding tank has been seted up on the fixed cylindrical front surface, connecting assembly includes a connection cylinder, connect cylindrical week side and set up four "T" shape grooves that are annular evenly distributed, "T" shape groove and connection cylindrical front surface intercommunication, "the inside sliding connection in T" shape groove has "T" shape slider, "T" shape slider is located a terminal surface in "T" shape groove outside fixed mounting has an expanding spring, the one end fixed connection that "T" shape slider was kept away from to expanding spring is on the inner wall of cylindrical holding tank, it has a screw thread post to connect cylindrical front surface middle part fixed mounting. The utility model discloses can adjust expanding spring's elasticity according to the different conditions to the wrench movement scope to the shaft coupling is adjusted, makes its application scope wider.

Description

Adjustable coupler

Technical Field

The utility model relates to a mechanical transmission technical field, concretely relates to shaft coupling with adjustable.

Background

The coupling is a device which connects two shafts or a shaft and a rotating part, rotates together in the process of transmitting motion and power and does not separate under normal conditions; sometimes it is used as a safety device to prevent the coupled machine parts from bearing excessive load, and it plays the role of overload protection.

At present, the present shaft coupling in market is difficult to adjust expanding spring's elasticity mostly to be difficult to adjust the wrench movement scope of shaft coupling, lead to the suitability of shaft coupling relatively poor, for this reason the utility model relates to a shaft coupling with adjustable, with this, solve above problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the adjustable coupler is provided for solving the problems that the existing coupler in the market is mostly difficult to adjust the tightness of a telescopic spring, so that the twisting range of the coupler is difficult to adjust, and the applicability of the coupler is poor.

The purpose of the utility model can be realized by the following technical scheme:

an adjustable coupler comprises a power assembly, wherein a connecting assembly is arranged on the front side of the power assembly;

the power assembly comprises a fixed cylinder, and a cylindrical accommodating groove is formed in the front surface of the fixed cylinder;

the connecting component comprises a connecting cylinder, four 'T' -shaped grooves which are uniformly distributed in a ring shape are arranged on the peripheral side surface of the connecting cylinder, the T-shaped groove is communicated with the front surface of the connecting cylinder, a T-shaped sliding block is connected inside the T-shaped groove in a sliding way, an extension spring is fixedly arranged on one end surface of the T-shaped sliding block positioned at the outer side of the T-shaped groove, one end of the expansion spring far away from the T-shaped sliding block is fixedly connected on the inner wall of the cylindrical accommodating groove, the middle part of the front surface of the connecting cylinder is fixedly provided with a threaded column, the outer side of the threaded column is connected with a screw cap through threads, the outer side of the threaded column is sleeved with a bearing between the connecting cylinder and the nut, the front surface of an inner ring of the bearing is fixedly connected with the rear surface of the nut, and the peripheral side surface of an outer ring of the bearing is connected with the T-shaped sliding block through a connecting rod.

As a further aspect of the present invention: the back middle part fixed mounting of fixed cylinder has a power shaft, the power shaft is connected with the output of motor, the front end fixed mounting of screw thread post has a connecting axle, the connecting axle is connected with the rotating member.

As a further aspect of the present invention: the inner wall of the cylindrical containing tank is fixedly provided with four limit baffles which are uniformly distributed in an annular shape, the back of the connecting cylinder is fixedly provided with a back plate, a limit ring matched with the limit baffles is arranged on the peripheral side surface of the back plate, one end, far away from the inner wall of the cylindrical containing tank, of the limit baffles is inserted into the limit ring, the front surface and the back surface of each limit baffle are in contact with the inner wall of the limit ring, and the end, far away from the inner wall of the cylindrical containing tank, of each limit baffle is not in contact with the inner surface of the limit ring.

As a further aspect of the present invention: the rear surface of backplate and the rear wall contact of cylindrical holding tank, and the rear surface of backplate and the back wall of cylindrical holding tank are all smooth.

As a further aspect of the present invention: one end of the connecting rod is rotatably connected with the peripheral side face of the outer ring of the bearing through a hinged support, and the other end of the connecting rod is also rotatably connected with one surface of the T-shaped sliding block through a hinged support.

The utility model has the advantages that:

1. the utility model discloses a revolve wrong nut, make the nut front and back side remove, drive the bearing and remove to the rear side, the bottom of connecting rod this moment will remove to the rear side, and the top of connecting rod will the rebound to drive "T" shape slider rebound and compress expanding spring, thereby realize the regulation to the expanding spring elasticity, the utility model discloses can adjust expanding spring's elasticity according to the different situation, thereby adjust the wrench movement scope of coupler, make its application scope wider, easily push market.

2. The utility model discloses a be connected the one end of power shaft and the output of motor, be connected the one end of connecting axle and rotating member simultaneously, later starter motor, the motor passes through the utility model discloses a shaft coupling drives rotating member and rotates, if has produced the moment of torsion at rotating member in-process, corresponding deformation will be made to expanding spring this moment, offsets the moment of torsion, avoids motor or rotating member to receive the damage.

Drawings

The present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of an adjustable coupling of the present invention;

fig. 2 is a sectional view of an adjustable coupling according to the present invention;

FIG. 3 is a schematic structural diagram of the power assembly of the present invention;

fig. 4 is a schematic structural diagram of the connection assembly of the present invention.

In the figure: 1. a power assembly; 101. fixing the cylinder; 102. a power shaft; 103. a cylindrical receiving groove; 104. a limit baffle; 2. a connecting assembly; 201. a connecting cylinder; 202. a back plate; 203. a limiting ring; 204. a "T" shaped slot; 205. a T-shaped slider; 206. a tension spring; 207. a threaded post; 208. a nut; 209. a bearing; 210. a connecting rod; 211. and (7) connecting the shafts.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to 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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, an adjustable coupling includes a power assembly 1, a connecting assembly 2 is installed at the front side of the power assembly 1;

the power assembly 1 comprises a fixed cylinder 101, a power shaft 102 is fixedly installed in the middle of the back of the fixed cylinder 101, the power shaft 102 is connected with the output end of a motor, a cylindrical accommodating groove 103 is formed in the front surface of the fixed cylinder 101, and four limit baffles 104 which are uniformly distributed in an annular shape are fixedly installed on the inner wall of the cylindrical accommodating groove 103;

the connecting component 2 comprises a connecting cylinder 201, a back plate 202 is fixedly installed on the back surface of the connecting cylinder 201, the back surface of the back plate 202 is in contact with the back wall of the cylindrical accommodating groove 103, the back surface of the back plate 202 is smooth with the back wall of the cylindrical accommodating groove 103, a limit ring 203 matched with the limit baffle 104 is arranged on the peripheral side surface of the back plate 202, one end of the limit baffle 104 far away from the inner wall of the cylindrical accommodating groove 103 is inserted into the limit ring 203, the front surface and the back surface of the limit baffle 104 are in contact with one opposite inner wall of the limit ring 203, but one end of the limit baffle 104 far away from the inner wall of the cylindrical accommodating groove 103 is not in contact with the inner surface of the limit ring 203, four 'T' -shaped grooves 204 which are uniformly distributed in an annular shape are arranged on the peripheral side surface of the connecting cylinder 201, the 'T' -shaped grooves 204 are communicated with the front surface of the connecting cylinder 201, and a 'T' -shaped sliding block 205 is connected inside the 'T' -shaped groove 204 in a sliding manner, an extension spring 206 is fixedly arranged on one end face of the T-shaped sliding block 205 positioned on the outer side of the T-shaped groove 204, one end of the extension spring 206 far away from the T-shaped sliding block 205 is fixedly connected on the inner wall of the cylindrical accommodating groove 103, a threaded column 207 is fixedly arranged in the middle of the front surface of the connecting cylinder 201, a nut 208 is in threaded connection with the outer side of the threaded column 207, a bearing 209 is sleeved between the connecting cylinder 201 and the nut 208 and positioned on the outer side of the threaded column 207, the front surface of the inner ring of the bearing 209 is fixedly connected with the rear surface of the nut 208, the peripheral side surface of the outer ring of the bearing 209 is connected with the T-shaped sliding block 205 through a connecting rod 210, one end of the connecting rod 210 is rotatably connected with the peripheral side surface of the outer ring of the bearing 209 through a hinged support, the other end of the connecting rod 210 is also rotatably connected with one surface of the T-shaped sliding block 205 through a hinged support, a connecting shaft 211 is fixedly arranged at the front end of the threaded column 207, the connecting shaft 211 is connected with the rotary member.

The working principle is as follows: when in use, firstly, the tightness of the telescopic spring 206 is adjusted according to the actual situation, namely, the twisting range of the coupler is adjusted, specifically, the nut 208 is twisted to move the nut 208 back and forth, the bearing 209 is driven to move towards the rear side, at the moment, the bottom end of the connecting rod 210 moves towards the rear side, and the top end of the connecting rod 210 moves upwards, so as to drive the T-shaped slider 205 to move upwards to compress the telescopic spring 206, thereby realizing the adjustment of the tightness of the telescopic spring 206, when the twisting range of the coupler is adjusted, one end of the power shaft 102 is connected with the output end of the motor, one end of the connecting shaft 211 is connected with the rotating member, then the motor is started, the motor drives the rotating member to rotate through the coupler, if torque is generated in the rotating process of the rotating member, the telescopic spring 206 deforms correspondingly, offset the moment of torsion, avoid motor or rotating member to receive the damage, the utility model discloses can adjust the elasticity of expanding spring 206 according to different conditions to adjust the wrench movement scope of shaft coupling, make its application scope wider, easily push to market.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is illustrative and explanatory only, and various modifications, additions and substitutions as described for the specific embodiments described herein may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the invention as defined in the claims.

Claims

1. The adjustable coupler is characterized by comprising a power assembly (1), wherein a connecting assembly (2) is installed on the front side of the power assembly (1);

the power assembly (1) comprises a fixed cylinder (101), and a cylindrical accommodating groove (103) is formed in the front surface of the fixed cylinder (101);

the connecting assembly (2) comprises a connecting cylinder (201), four 'T' -shaped grooves (204) which are uniformly distributed in an annular shape are formed in the peripheral side surface of the connecting cylinder (201), the 'T' -shaped grooves (204) are communicated with the front surface of the connecting cylinder (201), a 'T' -shaped sliding block (205) is connected to the inner side of the 'T' -shaped grooves (204) in a sliding manner, a telescopic spring (206) is fixedly installed on one end surface of the 'T' -shaped sliding block (205) positioned on the outer side of the 'T' -shaped grooves (204), one end, far away from the 'T' -shaped sliding block (205), of the telescopic spring (206) is fixedly connected to the inner wall of the cylindrical accommodating groove (103), a threaded column (207) is fixedly installed in the middle of the front surface of the connecting cylinder (201), a nut (208) is connected to the outer side thread of the threaded column (207), and a bearing (209) is arranged between the connecting cylinder (201) and the nut (208), the front surface of the inner ring of the bearing (209) is fixedly connected with the rear surface of a nut (208), and the peripheral side surface of the outer ring of the bearing (209) is connected with a T-shaped sliding block (205) through a connecting rod (210).

2. An adjustable shaft coupling according to claim 1, wherein a power shaft (102) is fixedly mounted in the middle of the back of the fixed cylinder (101), and a connecting shaft (211) is fixedly mounted at the front end of the threaded cylinder (207).

3. The adjustable coupler according to claim 1, wherein four limit baffles (104) are fixedly mounted on the inner wall of the cylindrical receiving groove (103) and are uniformly distributed in an annular shape, a back plate (202) is fixedly mounted on the back surface of the connecting cylinder (201), a limit ring (203) matched with the limit baffles (104) is formed on the peripheral side surface of the back plate (202), and one end of each limit baffle (104), which is far away from the inner wall of the cylindrical receiving groove (103), is inserted into the corresponding limit ring (203).

4. An adjustable coupling according to claim 3, wherein the rear surface of the back plate (202) is in contact with the rear wall of the cylindrical receiving groove (103), and the rear surface of the back plate (202) and the rear wall of the cylindrical receiving groove (103) are smooth.

5. An adjustable shaft coupling according to claim 1, wherein one end of the connecting rod (210) is rotatably connected with the outer circumferential side of the bearing (209) through a hinge seat, and the other end of the connecting rod (210) is rotatably connected with a surface of the T-shaped slider (205) through a hinge seat.